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_info_ifindex(struct genl_info *info,
51 struct cfg80211_registered_device **rdev,
52 struct net_device **dev)
54 struct nlattr **attrs = info->attrs;
57 if (!attrs[NL80211_ATTR_IFINDEX])
60 ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
61 *dev = dev_get_by_index(genl_info_net(info), ifindex);
65 *rdev = cfg80211_get_dev_from_ifindex(genl_info_net(info), ifindex);
68 return PTR_ERR(*rdev);
74 /* policy for the attributes */
75 static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
76 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
77 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
79 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
80 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
81 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
82 [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
83 [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
84 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
85 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
86 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
88 [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
89 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
90 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
92 [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN },
93 [NL80211_ATTR_PREV_BSSID] = { .type = NLA_BINARY, .len = ETH_ALEN },
95 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
96 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
97 .len = WLAN_MAX_KEY_LEN },
98 [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
99 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
100 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
101 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 },
102 [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
104 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
105 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
106 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
107 .len = IEEE80211_MAX_DATA_LEN },
108 [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
109 .len = IEEE80211_MAX_DATA_LEN },
110 [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
111 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
112 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
113 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
114 .len = NL80211_MAX_SUPP_RATES },
115 [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
116 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
117 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
118 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
119 .len = IEEE80211_MAX_MESH_ID_LEN },
120 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
122 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
123 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
125 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
126 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
127 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
128 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
129 .len = NL80211_MAX_SUPP_RATES },
130 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
132 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
133 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
135 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
137 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
138 [NL80211_ATTR_IE] = { .type = NLA_BINARY,
139 .len = IEEE80211_MAX_DATA_LEN },
140 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
141 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
143 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
144 .len = IEEE80211_MAX_SSID_LEN },
145 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
146 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
147 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
148 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
149 [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
150 [NL80211_ATTR_STA_FLAGS2] = {
151 .len = sizeof(struct nl80211_sta_flag_update),
153 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
154 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
155 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
156 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
157 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
158 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
159 [NL80211_ATTR_PID] = { .type = NLA_U32 },
160 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
161 [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
162 .len = WLAN_PMKID_LEN },
163 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
164 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
165 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
166 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
167 .len = IEEE80211_MAX_DATA_LEN },
168 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
169 [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
170 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
171 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
172 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
173 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
174 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
175 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
176 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
177 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
178 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
179 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
180 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
181 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
182 [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
183 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
184 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
185 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
186 [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
187 [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
188 .len = IEEE80211_MAX_DATA_LEN },
189 [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
190 .len = IEEE80211_MAX_DATA_LEN },
191 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
192 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
193 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
194 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
195 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
196 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
197 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
198 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
201 /* policy for the key attributes */
202 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
203 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
204 [NL80211_KEY_IDX] = { .type = NLA_U8 },
205 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
206 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 },
207 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
208 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
209 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
210 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
213 /* policy for the key default flags */
214 static const struct nla_policy
215 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
216 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
217 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
220 /* policy for WoWLAN attributes */
221 static const struct nla_policy
222 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
223 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
224 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
225 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
226 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
227 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
228 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
229 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
230 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
233 /* policy for GTK rekey offload attributes */
234 static const struct nla_policy
235 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
236 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
237 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
238 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
241 static const struct nla_policy
242 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
243 [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY,
244 .len = IEEE80211_MAX_SSID_LEN },
247 /* ifidx get helper */
248 static int nl80211_get_ifidx(struct netlink_callback *cb)
252 res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
253 nl80211_fam.attrbuf, nl80211_fam.maxattr,
258 if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
261 res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
267 static int nl80211_prepare_netdev_dump(struct sk_buff *skb,
268 struct netlink_callback *cb,
269 struct cfg80211_registered_device **rdev,
270 struct net_device **dev)
272 int ifidx = cb->args[0];
276 ifidx = nl80211_get_ifidx(cb);
284 *dev = __dev_get_by_index(sock_net(skb->sk), ifidx);
290 *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
292 err = PTR_ERR(*rdev);
302 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev)
304 cfg80211_unlock_rdev(rdev);
309 static bool is_valid_ie_attr(const struct nlattr *attr)
317 pos = nla_data(attr);
338 /* message building helper */
339 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq,
342 /* since there is no private header just add the generic one */
343 return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd);
346 static int nl80211_msg_put_channel(struct sk_buff *msg,
347 struct ieee80211_channel *chan)
349 NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ,
352 if (chan->flags & IEEE80211_CHAN_DISABLED)
353 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED);
354 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
355 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN);
356 if (chan->flags & IEEE80211_CHAN_NO_IBSS)
357 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS);
358 if (chan->flags & IEEE80211_CHAN_RADAR)
359 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR);
361 NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
362 DBM_TO_MBM(chan->max_power));
370 /* netlink command implementations */
377 bool def_uni, def_multi;
380 static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
382 struct nlattr *tb[NL80211_KEY_MAX + 1];
383 int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
388 k->def = !!tb[NL80211_KEY_DEFAULT];
389 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
398 if (tb[NL80211_KEY_IDX])
399 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
401 if (tb[NL80211_KEY_DATA]) {
402 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
403 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
406 if (tb[NL80211_KEY_SEQ]) {
407 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
408 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
411 if (tb[NL80211_KEY_CIPHER])
412 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
414 if (tb[NL80211_KEY_TYPE]) {
415 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
416 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
420 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
421 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
422 int err = nla_parse_nested(kdt,
423 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
424 tb[NL80211_KEY_DEFAULT_TYPES],
425 nl80211_key_default_policy);
429 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
430 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
436 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
438 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
439 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
440 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
443 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
444 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
445 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
448 if (info->attrs[NL80211_ATTR_KEY_IDX])
449 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
451 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
452 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
454 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
455 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
464 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
465 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
466 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
470 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
471 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
472 int err = nla_parse_nested(
473 kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
474 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
475 nl80211_key_default_policy);
479 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
480 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
486 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
490 memset(k, 0, sizeof(*k));
494 if (info->attrs[NL80211_ATTR_KEY])
495 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
497 err = nl80211_parse_key_old(info, k);
502 if (k->def && k->defmgmt)
506 if (k->def_uni || !k->def_multi)
512 if (k->idx < 4 || k->idx > 5)
515 if (k->idx < 0 || k->idx > 3)
518 if (k->idx < 0 || k->idx > 5)
526 static struct cfg80211_cached_keys *
527 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
530 struct key_parse parse;
532 struct cfg80211_cached_keys *result;
533 int rem, err, def = 0;
535 result = kzalloc(sizeof(*result), GFP_KERNEL);
537 return ERR_PTR(-ENOMEM);
540 result->defmgmt = -1;
542 nla_for_each_nested(key, keys, rem) {
543 memset(&parse, 0, sizeof(parse));
546 err = nl80211_parse_key_new(key, &parse);
552 if (parse.idx < 0 || parse.idx > 4)
558 result->def = parse.idx;
559 if (!parse.def_uni || !parse.def_multi)
561 } else if (parse.defmgmt)
563 err = cfg80211_validate_key_settings(rdev, &parse.p,
564 parse.idx, false, NULL);
567 result->params[parse.idx].cipher = parse.p.cipher;
568 result->params[parse.idx].key_len = parse.p.key_len;
569 result->params[parse.idx].key = result->data[parse.idx];
570 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
579 static int nl80211_key_allowed(struct wireless_dev *wdev)
581 ASSERT_WDEV_LOCK(wdev);
583 switch (wdev->iftype) {
584 case NL80211_IFTYPE_AP:
585 case NL80211_IFTYPE_AP_VLAN:
586 case NL80211_IFTYPE_P2P_GO:
587 case NL80211_IFTYPE_MESH_POINT:
589 case NL80211_IFTYPE_ADHOC:
590 if (!wdev->current_bss)
593 case NL80211_IFTYPE_STATION:
594 case NL80211_IFTYPE_P2P_CLIENT:
595 if (wdev->sme_state != CFG80211_SME_CONNECTED)
605 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
607 struct nlattr *nl_modes = nla_nest_start(msg, attr);
611 goto nla_put_failure;
616 NLA_PUT_FLAG(msg, i);
621 nla_nest_end(msg, nl_modes);
628 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
631 struct nlattr *nl_combis;
634 nl_combis = nla_nest_start(msg,
635 NL80211_ATTR_INTERFACE_COMBINATIONS);
637 goto nla_put_failure;
639 for (i = 0; i < wiphy->n_iface_combinations; i++) {
640 const struct ieee80211_iface_combination *c;
641 struct nlattr *nl_combi, *nl_limits;
643 c = &wiphy->iface_combinations[i];
645 nl_combi = nla_nest_start(msg, i + 1);
647 goto nla_put_failure;
649 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
651 goto nla_put_failure;
653 for (j = 0; j < c->n_limits; j++) {
654 struct nlattr *nl_limit;
656 nl_limit = nla_nest_start(msg, j + 1);
658 goto nla_put_failure;
659 NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX,
661 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
663 goto nla_put_failure;
664 nla_nest_end(msg, nl_limit);
667 nla_nest_end(msg, nl_limits);
669 if (c->beacon_int_infra_match)
671 NL80211_IFACE_COMB_STA_AP_BI_MATCH);
672 NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
673 c->num_different_channels);
674 NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM,
677 nla_nest_end(msg, nl_combi);
680 nla_nest_end(msg, nl_combis);
687 static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
688 struct cfg80211_registered_device *dev)
691 struct nlattr *nl_bands, *nl_band;
692 struct nlattr *nl_freqs, *nl_freq;
693 struct nlattr *nl_rates, *nl_rate;
694 struct nlattr *nl_cmds;
695 enum ieee80211_band band;
696 struct ieee80211_channel *chan;
697 struct ieee80211_rate *rate;
699 const struct ieee80211_txrx_stypes *mgmt_stypes =
700 dev->wiphy.mgmt_stypes;
702 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY);
706 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx);
707 NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy));
709 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION,
710 cfg80211_rdev_list_generation);
712 NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
713 dev->wiphy.retry_short);
714 NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
715 dev->wiphy.retry_long);
716 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
717 dev->wiphy.frag_threshold);
718 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
719 dev->wiphy.rts_threshold);
720 NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
721 dev->wiphy.coverage_class);
722 NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
723 dev->wiphy.max_scan_ssids);
724 NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
725 dev->wiphy.max_sched_scan_ssids);
726 NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
727 dev->wiphy.max_scan_ie_len);
728 NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
729 dev->wiphy.max_sched_scan_ie_len);
730 NLA_PUT_U8(msg, NL80211_ATTR_MAX_MATCH_SETS,
731 dev->wiphy.max_match_sets);
733 if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)
734 NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN);
735 if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH)
736 NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH);
737 if (dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD)
738 NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_AP_UAPSD);
739 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)
740 NLA_PUT_FLAG(msg, NL80211_ATTR_ROAM_SUPPORT);
741 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)
742 NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_SUPPORT);
743 if (dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)
744 NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP);
746 NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES,
747 sizeof(u32) * dev->wiphy.n_cipher_suites,
748 dev->wiphy.cipher_suites);
750 NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
751 dev->wiphy.max_num_pmkids);
753 if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL)
754 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE);
756 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
757 dev->wiphy.available_antennas_tx);
758 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
759 dev->wiphy.available_antennas_rx);
761 if ((dev->wiphy.available_antennas_tx ||
762 dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) {
763 u32 tx_ant = 0, rx_ant = 0;
765 res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant);
767 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant);
768 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant);
772 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
773 dev->wiphy.interface_modes))
774 goto nla_put_failure;
776 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
778 goto nla_put_failure;
780 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
781 if (!dev->wiphy.bands[band])
784 nl_band = nla_nest_start(msg, band);
786 goto nla_put_failure;
789 if (dev->wiphy.bands[band]->ht_cap.ht_supported) {
790 NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET,
791 sizeof(dev->wiphy.bands[band]->ht_cap.mcs),
792 &dev->wiphy.bands[band]->ht_cap.mcs);
793 NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA,
794 dev->wiphy.bands[band]->ht_cap.cap);
795 NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
796 dev->wiphy.bands[band]->ht_cap.ampdu_factor);
797 NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
798 dev->wiphy.bands[band]->ht_cap.ampdu_density);
801 /* add frequencies */
802 nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
804 goto nla_put_failure;
806 for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) {
807 nl_freq = nla_nest_start(msg, i);
809 goto nla_put_failure;
811 chan = &dev->wiphy.bands[band]->channels[i];
813 if (nl80211_msg_put_channel(msg, chan))
814 goto nla_put_failure;
816 nla_nest_end(msg, nl_freq);
819 nla_nest_end(msg, nl_freqs);
822 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
824 goto nla_put_failure;
826 for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) {
827 nl_rate = nla_nest_start(msg, i);
829 goto nla_put_failure;
831 rate = &dev->wiphy.bands[band]->bitrates[i];
832 NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE,
834 if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
836 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE);
838 nla_nest_end(msg, nl_rate);
841 nla_nest_end(msg, nl_rates);
843 nla_nest_end(msg, nl_band);
845 nla_nest_end(msg, nl_bands);
847 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
849 goto nla_put_failure;
854 if (dev->ops->op) { \
856 NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
860 CMD(add_virtual_intf, NEW_INTERFACE);
861 CMD(change_virtual_intf, SET_INTERFACE);
862 CMD(add_key, NEW_KEY);
863 CMD(add_beacon, NEW_BEACON);
864 CMD(add_station, NEW_STATION);
865 CMD(add_mpath, NEW_MPATH);
866 CMD(update_mesh_config, SET_MESH_CONFIG);
867 CMD(change_bss, SET_BSS);
868 CMD(auth, AUTHENTICATE);
869 CMD(assoc, ASSOCIATE);
870 CMD(deauth, DEAUTHENTICATE);
871 CMD(disassoc, DISASSOCIATE);
872 CMD(join_ibss, JOIN_IBSS);
873 CMD(join_mesh, JOIN_MESH);
874 CMD(set_pmksa, SET_PMKSA);
875 CMD(del_pmksa, DEL_PMKSA);
876 CMD(flush_pmksa, FLUSH_PMKSA);
877 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
878 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
880 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
881 if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
883 NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
885 CMD(set_channel, SET_CHANNEL);
886 CMD(set_wds_peer, SET_WDS_PEER);
887 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
888 CMD(tdls_mgmt, TDLS_MGMT);
889 CMD(tdls_oper, TDLS_OPER);
891 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
892 CMD(sched_scan_start, START_SCHED_SCAN);
896 if (dev->ops->connect || dev->ops->auth) {
898 NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT);
901 if (dev->ops->disconnect || dev->ops->deauth) {
903 NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT);
906 nla_nest_end(msg, nl_cmds);
908 if (dev->ops->remain_on_channel)
909 NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
910 dev->wiphy.max_remain_on_channel_duration);
912 if (dev->ops->mgmt_tx_cancel_wait)
913 NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
917 struct nlattr *nl_ftypes, *nl_ifs;
918 enum nl80211_iftype ift;
920 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
922 goto nla_put_failure;
924 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
925 nl_ftypes = nla_nest_start(msg, ift);
927 goto nla_put_failure;
929 stypes = mgmt_stypes[ift].tx;
932 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
933 (i << 4) | IEEE80211_FTYPE_MGMT);
937 nla_nest_end(msg, nl_ftypes);
940 nla_nest_end(msg, nl_ifs);
942 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
944 goto nla_put_failure;
946 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
947 nl_ftypes = nla_nest_start(msg, ift);
949 goto nla_put_failure;
951 stypes = mgmt_stypes[ift].rx;
954 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
955 (i << 4) | IEEE80211_FTYPE_MGMT);
959 nla_nest_end(msg, nl_ftypes);
961 nla_nest_end(msg, nl_ifs);
964 if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) {
965 struct nlattr *nl_wowlan;
967 nl_wowlan = nla_nest_start(msg,
968 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
970 goto nla_put_failure;
972 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY)
973 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
974 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT)
975 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
976 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT)
977 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
978 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY)
979 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED);
980 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)
981 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
982 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)
983 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
984 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)
985 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
986 if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE)
987 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
988 if (dev->wiphy.wowlan.n_patterns) {
989 struct nl80211_wowlan_pattern_support pat = {
990 .max_patterns = dev->wiphy.wowlan.n_patterns,
992 dev->wiphy.wowlan.pattern_min_len,
994 dev->wiphy.wowlan.pattern_max_len,
996 NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1000 nla_nest_end(msg, nl_wowlan);
1003 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1004 dev->wiphy.software_iftypes))
1005 goto nla_put_failure;
1007 if (nl80211_put_iface_combinations(&dev->wiphy, msg))
1008 goto nla_put_failure;
1010 return genlmsg_end(msg, hdr);
1013 genlmsg_cancel(msg, hdr);
1017 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1020 int start = cb->args[0];
1021 struct cfg80211_registered_device *dev;
1023 mutex_lock(&cfg80211_mutex);
1024 list_for_each_entry(dev, &cfg80211_rdev_list, list) {
1025 if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
1029 if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
1030 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1036 mutex_unlock(&cfg80211_mutex);
1043 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
1045 struct sk_buff *msg;
1046 struct cfg80211_registered_device *dev = info->user_ptr[0];
1048 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1052 if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) {
1057 return genlmsg_reply(msg, info);
1060 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
1061 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
1062 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
1063 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
1064 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
1065 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
1068 static int parse_txq_params(struct nlattr *tb[],
1069 struct ieee80211_txq_params *txq_params)
1071 if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] ||
1072 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
1073 !tb[NL80211_TXQ_ATTR_AIFS])
1076 txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]);
1077 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
1078 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
1079 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
1080 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
1085 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
1088 * You can only set the channel explicitly for AP, mesh
1089 * and WDS type interfaces; all others have their channel
1090 * managed via their respective "establish a connection"
1091 * command (connect, join, ...)
1093 * Monitors are special as they are normally slaved to
1094 * whatever else is going on, so they behave as though
1095 * you tried setting the wiphy channel itself.
1098 wdev->iftype == NL80211_IFTYPE_AP ||
1099 wdev->iftype == NL80211_IFTYPE_WDS ||
1100 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
1101 wdev->iftype == NL80211_IFTYPE_MONITOR ||
1102 wdev->iftype == NL80211_IFTYPE_P2P_GO;
1105 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
1106 struct wireless_dev *wdev,
1107 struct genl_info *info)
1109 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
1113 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
1116 if (!nl80211_can_set_dev_channel(wdev))
1119 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1120 channel_type = nla_get_u32(info->attrs[
1121 NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1122 if (channel_type != NL80211_CHAN_NO_HT &&
1123 channel_type != NL80211_CHAN_HT20 &&
1124 channel_type != NL80211_CHAN_HT40PLUS &&
1125 channel_type != NL80211_CHAN_HT40MINUS)
1129 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
1131 mutex_lock(&rdev->devlist_mtx);
1134 result = cfg80211_set_freq(rdev, wdev, freq, channel_type);
1137 result = cfg80211_set_freq(rdev, NULL, freq, channel_type);
1139 mutex_unlock(&rdev->devlist_mtx);
1144 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
1146 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1147 struct net_device *netdev = info->user_ptr[1];
1149 return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
1152 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
1154 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1155 struct net_device *dev = info->user_ptr[1];
1156 struct wireless_dev *wdev = dev->ieee80211_ptr;
1159 if (!info->attrs[NL80211_ATTR_MAC])
1162 if (netif_running(dev))
1165 if (!rdev->ops->set_wds_peer)
1168 if (wdev->iftype != NL80211_IFTYPE_WDS)
1171 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1172 return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid);
1176 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
1178 struct cfg80211_registered_device *rdev;
1179 struct net_device *netdev = NULL;
1180 struct wireless_dev *wdev;
1181 int result = 0, rem_txq_params = 0;
1182 struct nlattr *nl_txq_params;
1184 u8 retry_short = 0, retry_long = 0;
1185 u32 frag_threshold = 0, rts_threshold = 0;
1186 u8 coverage_class = 0;
1189 * Try to find the wiphy and netdev. Normally this
1190 * function shouldn't need the netdev, but this is
1191 * done for backward compatibility -- previously
1192 * setting the channel was done per wiphy, but now
1193 * it is per netdev. Previous userland like hostapd
1194 * also passed a netdev to set_wiphy, so that it is
1195 * possible to let that go to the right netdev!
1197 mutex_lock(&cfg80211_mutex);
1199 if (info->attrs[NL80211_ATTR_IFINDEX]) {
1200 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
1202 netdev = dev_get_by_index(genl_info_net(info), ifindex);
1203 if (netdev && netdev->ieee80211_ptr) {
1204 rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
1205 mutex_lock(&rdev->mtx);
1211 rdev = __cfg80211_rdev_from_info(info);
1213 mutex_unlock(&cfg80211_mutex);
1214 return PTR_ERR(rdev);
1220 mutex_lock(&rdev->mtx);
1221 } else if (netif_running(netdev) &&
1222 nl80211_can_set_dev_channel(netdev->ieee80211_ptr))
1223 wdev = netdev->ieee80211_ptr;
1228 * end workaround code, by now the rdev is available
1229 * and locked, and wdev may or may not be NULL.
1232 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
1233 result = cfg80211_dev_rename(
1234 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
1236 mutex_unlock(&cfg80211_mutex);
1241 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
1242 struct ieee80211_txq_params txq_params;
1243 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
1245 if (!rdev->ops->set_txq_params) {
1246 result = -EOPNOTSUPP;
1255 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
1256 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
1261 nla_for_each_nested(nl_txq_params,
1262 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
1264 nla_parse(tb, NL80211_TXQ_ATTR_MAX,
1265 nla_data(nl_txq_params),
1266 nla_len(nl_txq_params),
1268 result = parse_txq_params(tb, &txq_params);
1272 result = rdev->ops->set_txq_params(&rdev->wiphy,
1280 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
1281 result = __nl80211_set_channel(rdev, wdev, info);
1286 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
1287 enum nl80211_tx_power_setting type;
1290 if (!rdev->ops->set_tx_power) {
1291 result = -EOPNOTSUPP;
1295 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
1296 type = nla_get_u32(info->attrs[idx]);
1298 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
1299 (type != NL80211_TX_POWER_AUTOMATIC)) {
1304 if (type != NL80211_TX_POWER_AUTOMATIC) {
1305 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
1306 mbm = nla_get_u32(info->attrs[idx]);
1309 result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm);
1314 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
1315 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
1317 if ((!rdev->wiphy.available_antennas_tx &&
1318 !rdev->wiphy.available_antennas_rx) ||
1319 !rdev->ops->set_antenna) {
1320 result = -EOPNOTSUPP;
1324 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
1325 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
1327 /* reject antenna configurations which don't match the
1328 * available antenna masks, except for the "all" mask */
1329 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
1330 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
1335 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
1336 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
1338 result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant);
1345 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
1346 retry_short = nla_get_u8(
1347 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
1348 if (retry_short == 0) {
1352 changed |= WIPHY_PARAM_RETRY_SHORT;
1355 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
1356 retry_long = nla_get_u8(
1357 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
1358 if (retry_long == 0) {
1362 changed |= WIPHY_PARAM_RETRY_LONG;
1365 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
1366 frag_threshold = nla_get_u32(
1367 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
1368 if (frag_threshold < 256) {
1372 if (frag_threshold != (u32) -1) {
1374 * Fragments (apart from the last one) are required to
1375 * have even length. Make the fragmentation code
1376 * simpler by stripping LSB should someone try to use
1377 * odd threshold value.
1379 frag_threshold &= ~0x1;
1381 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
1384 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
1385 rts_threshold = nla_get_u32(
1386 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
1387 changed |= WIPHY_PARAM_RTS_THRESHOLD;
1390 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
1391 coverage_class = nla_get_u8(
1392 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
1393 changed |= WIPHY_PARAM_COVERAGE_CLASS;
1397 u8 old_retry_short, old_retry_long;
1398 u32 old_frag_threshold, old_rts_threshold;
1399 u8 old_coverage_class;
1401 if (!rdev->ops->set_wiphy_params) {
1402 result = -EOPNOTSUPP;
1406 old_retry_short = rdev->wiphy.retry_short;
1407 old_retry_long = rdev->wiphy.retry_long;
1408 old_frag_threshold = rdev->wiphy.frag_threshold;
1409 old_rts_threshold = rdev->wiphy.rts_threshold;
1410 old_coverage_class = rdev->wiphy.coverage_class;
1412 if (changed & WIPHY_PARAM_RETRY_SHORT)
1413 rdev->wiphy.retry_short = retry_short;
1414 if (changed & WIPHY_PARAM_RETRY_LONG)
1415 rdev->wiphy.retry_long = retry_long;
1416 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
1417 rdev->wiphy.frag_threshold = frag_threshold;
1418 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
1419 rdev->wiphy.rts_threshold = rts_threshold;
1420 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
1421 rdev->wiphy.coverage_class = coverage_class;
1423 result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed);
1425 rdev->wiphy.retry_short = old_retry_short;
1426 rdev->wiphy.retry_long = old_retry_long;
1427 rdev->wiphy.frag_threshold = old_frag_threshold;
1428 rdev->wiphy.rts_threshold = old_rts_threshold;
1429 rdev->wiphy.coverage_class = old_coverage_class;
1434 mutex_unlock(&rdev->mtx);
1441 static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
1442 struct cfg80211_registered_device *rdev,
1443 struct net_device *dev)
1447 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE);
1451 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
1452 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
1453 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);
1454 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);
1456 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION,
1457 rdev->devlist_generation ^
1458 (cfg80211_rdev_list_generation << 2));
1460 return genlmsg_end(msg, hdr);
1463 genlmsg_cancel(msg, hdr);
1467 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
1471 int wp_start = cb->args[0];
1472 int if_start = cb->args[1];
1473 struct cfg80211_registered_device *rdev;
1474 struct wireless_dev *wdev;
1476 mutex_lock(&cfg80211_mutex);
1477 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
1478 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
1480 if (wp_idx < wp_start) {
1486 mutex_lock(&rdev->devlist_mtx);
1487 list_for_each_entry(wdev, &rdev->netdev_list, list) {
1488 if (if_idx < if_start) {
1492 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
1493 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1494 rdev, wdev->netdev) < 0) {
1495 mutex_unlock(&rdev->devlist_mtx);
1500 mutex_unlock(&rdev->devlist_mtx);
1505 mutex_unlock(&cfg80211_mutex);
1507 cb->args[0] = wp_idx;
1508 cb->args[1] = if_idx;
1513 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
1515 struct sk_buff *msg;
1516 struct cfg80211_registered_device *dev = info->user_ptr[0];
1517 struct net_device *netdev = info->user_ptr[1];
1519 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1523 if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
1529 return genlmsg_reply(msg, info);
1532 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
1533 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
1534 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
1535 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
1536 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
1537 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
1540 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
1542 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
1550 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
1551 nla, mntr_flags_policy))
1554 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
1556 *mntrflags |= (1<<flag);
1561 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
1562 struct net_device *netdev, u8 use_4addr,
1563 enum nl80211_iftype iftype)
1566 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
1572 case NL80211_IFTYPE_AP_VLAN:
1573 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
1576 case NL80211_IFTYPE_STATION:
1577 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
1587 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
1589 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1590 struct vif_params params;
1592 enum nl80211_iftype otype, ntype;
1593 struct net_device *dev = info->user_ptr[1];
1594 u32 _flags, *flags = NULL;
1595 bool change = false;
1597 memset(¶ms, 0, sizeof(params));
1599 otype = ntype = dev->ieee80211_ptr->iftype;
1601 if (info->attrs[NL80211_ATTR_IFTYPE]) {
1602 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
1605 if (ntype > NL80211_IFTYPE_MAX)
1609 if (info->attrs[NL80211_ATTR_MESH_ID]) {
1610 struct wireless_dev *wdev = dev->ieee80211_ptr;
1612 if (ntype != NL80211_IFTYPE_MESH_POINT)
1614 if (netif_running(dev))
1618 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
1619 IEEE80211_MAX_MESH_ID_LEN);
1620 wdev->mesh_id_up_len =
1621 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
1622 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
1623 wdev->mesh_id_up_len);
1627 if (info->attrs[NL80211_ATTR_4ADDR]) {
1628 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
1630 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
1634 params.use_4addr = -1;
1637 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
1638 if (ntype != NL80211_IFTYPE_MONITOR)
1640 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
1650 err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
1654 if (!err && params.use_4addr != -1)
1655 dev->ieee80211_ptr->use_4addr = params.use_4addr;
1660 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
1662 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1663 struct vif_params params;
1664 struct net_device *dev;
1666 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
1669 memset(¶ms, 0, sizeof(params));
1671 if (!info->attrs[NL80211_ATTR_IFNAME])
1674 if (info->attrs[NL80211_ATTR_IFTYPE]) {
1675 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
1676 if (type > NL80211_IFTYPE_MAX)
1680 if (!rdev->ops->add_virtual_intf ||
1681 !(rdev->wiphy.interface_modes & (1 << type)))
1684 if (info->attrs[NL80211_ATTR_4ADDR]) {
1685 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
1686 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
1691 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
1692 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
1694 dev = rdev->ops->add_virtual_intf(&rdev->wiphy,
1695 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
1696 type, err ? NULL : &flags, ¶ms);
1698 return PTR_ERR(dev);
1700 if (type == NL80211_IFTYPE_MESH_POINT &&
1701 info->attrs[NL80211_ATTR_MESH_ID]) {
1702 struct wireless_dev *wdev = dev->ieee80211_ptr;
1705 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
1706 IEEE80211_MAX_MESH_ID_LEN);
1707 wdev->mesh_id_up_len =
1708 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
1709 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
1710 wdev->mesh_id_up_len);
1717 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
1719 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1720 struct net_device *dev = info->user_ptr[1];
1722 if (!rdev->ops->del_virtual_intf)
1725 return rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
1728 struct get_key_cookie {
1729 struct sk_buff *msg;
1734 static void get_key_callback(void *c, struct key_params *params)
1737 struct get_key_cookie *cookie = c;
1740 NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA,
1741 params->key_len, params->key);
1744 NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ,
1745 params->seq_len, params->seq);
1748 NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
1751 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
1753 goto nla_put_failure;
1756 NLA_PUT(cookie->msg, NL80211_KEY_DATA,
1757 params->key_len, params->key);
1760 NLA_PUT(cookie->msg, NL80211_KEY_SEQ,
1761 params->seq_len, params->seq);
1764 NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER,
1767 NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx);
1769 nla_nest_end(cookie->msg, key);
1776 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
1778 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1780 struct net_device *dev = info->user_ptr[1];
1782 const u8 *mac_addr = NULL;
1784 struct get_key_cookie cookie = {
1788 struct sk_buff *msg;
1790 if (info->attrs[NL80211_ATTR_KEY_IDX])
1791 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1796 if (info->attrs[NL80211_ATTR_MAC])
1797 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1799 pairwise = !!mac_addr;
1800 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
1801 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1802 if (kt >= NUM_NL80211_KEYTYPES)
1804 if (kt != NL80211_KEYTYPE_GROUP &&
1805 kt != NL80211_KEYTYPE_PAIRWISE)
1807 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
1810 if (!rdev->ops->get_key)
1813 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1817 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
1818 NL80211_CMD_NEW_KEY);
1820 return PTR_ERR(hdr);
1823 cookie.idx = key_idx;
1825 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
1826 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
1828 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
1830 if (pairwise && mac_addr &&
1831 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
1834 err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise,
1835 mac_addr, &cookie, get_key_callback);
1841 goto nla_put_failure;
1843 genlmsg_end(msg, hdr);
1844 return genlmsg_reply(msg, info);
1853 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
1855 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1856 struct key_parse key;
1858 struct net_device *dev = info->user_ptr[1];
1860 err = nl80211_parse_key(info, &key);
1867 /* only support setting default key */
1868 if (!key.def && !key.defmgmt)
1871 wdev_lock(dev->ieee80211_ptr);
1874 if (!rdev->ops->set_default_key) {
1879 err = nl80211_key_allowed(dev->ieee80211_ptr);
1883 err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx,
1884 key.def_uni, key.def_multi);
1889 #ifdef CONFIG_CFG80211_WEXT
1890 dev->ieee80211_ptr->wext.default_key = key.idx;
1893 if (key.def_uni || !key.def_multi) {
1898 if (!rdev->ops->set_default_mgmt_key) {
1903 err = nl80211_key_allowed(dev->ieee80211_ptr);
1907 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
1912 #ifdef CONFIG_CFG80211_WEXT
1913 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
1918 wdev_unlock(dev->ieee80211_ptr);
1923 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
1925 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1927 struct net_device *dev = info->user_ptr[1];
1928 struct key_parse key;
1929 const u8 *mac_addr = NULL;
1931 err = nl80211_parse_key(info, &key);
1938 if (info->attrs[NL80211_ATTR_MAC])
1939 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1941 if (key.type == -1) {
1943 key.type = NL80211_KEYTYPE_PAIRWISE;
1945 key.type = NL80211_KEYTYPE_GROUP;
1949 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
1950 key.type != NL80211_KEYTYPE_GROUP)
1953 if (!rdev->ops->add_key)
1956 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
1957 key.type == NL80211_KEYTYPE_PAIRWISE,
1961 wdev_lock(dev->ieee80211_ptr);
1962 err = nl80211_key_allowed(dev->ieee80211_ptr);
1964 err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx,
1965 key.type == NL80211_KEYTYPE_PAIRWISE,
1967 wdev_unlock(dev->ieee80211_ptr);
1972 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
1974 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1976 struct net_device *dev = info->user_ptr[1];
1977 u8 *mac_addr = NULL;
1978 struct key_parse key;
1980 err = nl80211_parse_key(info, &key);
1984 if (info->attrs[NL80211_ATTR_MAC])
1985 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1987 if (key.type == -1) {
1989 key.type = NL80211_KEYTYPE_PAIRWISE;
1991 key.type = NL80211_KEYTYPE_GROUP;
1995 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
1996 key.type != NL80211_KEYTYPE_GROUP)
1999 if (!rdev->ops->del_key)
2002 wdev_lock(dev->ieee80211_ptr);
2003 err = nl80211_key_allowed(dev->ieee80211_ptr);
2005 if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
2006 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2010 err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx,
2011 key.type == NL80211_KEYTYPE_PAIRWISE,
2014 #ifdef CONFIG_CFG80211_WEXT
2016 if (key.idx == dev->ieee80211_ptr->wext.default_key)
2017 dev->ieee80211_ptr->wext.default_key = -1;
2018 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
2019 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
2022 wdev_unlock(dev->ieee80211_ptr);
2027 static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
2029 int (*call)(struct wiphy *wiphy, struct net_device *dev,
2030 struct beacon_parameters *info);
2031 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2032 struct net_device *dev = info->user_ptr[1];
2033 struct wireless_dev *wdev = dev->ieee80211_ptr;
2034 struct beacon_parameters params;
2035 int haveinfo = 0, err;
2037 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) ||
2038 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) ||
2039 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
2040 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]))
2043 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2044 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2047 memset(¶ms, 0, sizeof(params));
2049 switch (info->genlhdr->cmd) {
2050 case NL80211_CMD_NEW_BEACON:
2051 /* these are required for NEW_BEACON */
2052 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
2053 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
2054 !info->attrs[NL80211_ATTR_BEACON_HEAD])
2058 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
2059 params.dtim_period =
2060 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
2062 err = cfg80211_validate_beacon_int(rdev, params.interval);
2067 * In theory, some of these attributes could be required for
2068 * NEW_BEACON, but since they were not used when the command was
2069 * originally added, keep them optional for old user space
2070 * programs to work with drivers that do not need the additional
2073 if (info->attrs[NL80211_ATTR_SSID]) {
2074 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
2076 nla_len(info->attrs[NL80211_ATTR_SSID]);
2077 if (params.ssid_len == 0 ||
2078 params.ssid_len > IEEE80211_MAX_SSID_LEN)
2082 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
2083 params.hidden_ssid = nla_get_u32(
2084 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
2085 if (params.hidden_ssid !=
2086 NL80211_HIDDEN_SSID_NOT_IN_USE &&
2087 params.hidden_ssid !=
2088 NL80211_HIDDEN_SSID_ZERO_LEN &&
2089 params.hidden_ssid !=
2090 NL80211_HIDDEN_SSID_ZERO_CONTENTS)
2094 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
2096 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
2097 params.auth_type = nla_get_u32(
2098 info->attrs[NL80211_ATTR_AUTH_TYPE]);
2099 if (!nl80211_valid_auth_type(params.auth_type))
2102 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
2104 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
2105 NL80211_MAX_NR_CIPHER_SUITES);
2109 call = rdev->ops->add_beacon;
2111 case NL80211_CMD_SET_BEACON:
2112 call = rdev->ops->set_beacon;
2122 if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
2123 params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
2125 nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
2129 if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
2130 params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
2132 nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
2139 if (info->attrs[NL80211_ATTR_IE]) {
2140 params.beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]);
2141 params.beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2144 if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) {
2145 params.proberesp_ies =
2146 nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
2147 params.proberesp_ies_len =
2148 nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
2151 if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
2152 params.assocresp_ies =
2153 nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
2154 params.assocresp_ies_len =
2155 nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
2158 err = call(&rdev->wiphy, dev, ¶ms);
2159 if (!err && params.interval)
2160 wdev->beacon_interval = params.interval;
2164 static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
2166 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2167 struct net_device *dev = info->user_ptr[1];
2168 struct wireless_dev *wdev = dev->ieee80211_ptr;
2171 if (!rdev->ops->del_beacon)
2174 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2175 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2178 err = rdev->ops->del_beacon(&rdev->wiphy, dev);
2180 wdev->beacon_interval = 0;
2184 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
2185 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
2186 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
2187 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
2188 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
2189 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
2192 static int parse_station_flags(struct genl_info *info,
2193 struct station_parameters *params)
2195 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
2200 * Try parsing the new attribute first so userspace
2201 * can specify both for older kernels.
2203 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
2205 struct nl80211_sta_flag_update *sta_flags;
2207 sta_flags = nla_data(nla);
2208 params->sta_flags_mask = sta_flags->mask;
2209 params->sta_flags_set = sta_flags->set;
2210 if ((params->sta_flags_mask |
2211 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
2216 /* if present, parse the old attribute */
2218 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
2222 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
2223 nla, sta_flags_policy))
2226 params->sta_flags_mask = (1 << __NL80211_STA_FLAG_AFTER_LAST) - 1;
2227 params->sta_flags_mask &= ~1;
2229 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++)
2231 params->sta_flags_set |= (1<<flag);
2236 static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
2239 struct nlattr *rate;
2242 rate = nla_nest_start(msg, attr);
2244 goto nla_put_failure;
2246 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2247 bitrate = cfg80211_calculate_bitrate(info);
2249 NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
2251 if (info->flags & RATE_INFO_FLAGS_MCS)
2252 NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs);
2253 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH)
2254 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH);
2255 if (info->flags & RATE_INFO_FLAGS_SHORT_GI)
2256 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI);
2258 nla_nest_end(msg, rate);
2265 static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
2266 int flags, struct net_device *dev,
2267 const u8 *mac_addr, struct station_info *sinfo)
2270 struct nlattr *sinfoattr, *bss_param;
2272 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
2276 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
2277 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
2279 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation);
2281 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
2283 goto nla_put_failure;
2284 if (sinfo->filled & STATION_INFO_CONNECTED_TIME)
2285 NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME,
2286 sinfo->connected_time);
2287 if (sinfo->filled & STATION_INFO_INACTIVE_TIME)
2288 NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME,
2289 sinfo->inactive_time);
2290 if (sinfo->filled & STATION_INFO_RX_BYTES)
2291 NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES,
2293 if (sinfo->filled & STATION_INFO_TX_BYTES)
2294 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES,
2296 if (sinfo->filled & STATION_INFO_LLID)
2297 NLA_PUT_U16(msg, NL80211_STA_INFO_LLID,
2299 if (sinfo->filled & STATION_INFO_PLID)
2300 NLA_PUT_U16(msg, NL80211_STA_INFO_PLID,
2302 if (sinfo->filled & STATION_INFO_PLINK_STATE)
2303 NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE,
2304 sinfo->plink_state);
2305 if (sinfo->filled & STATION_INFO_SIGNAL)
2306 NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL,
2308 if (sinfo->filled & STATION_INFO_SIGNAL_AVG)
2309 NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG,
2311 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
2312 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
2313 NL80211_STA_INFO_TX_BITRATE))
2314 goto nla_put_failure;
2316 if (sinfo->filled & STATION_INFO_RX_BITRATE) {
2317 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
2318 NL80211_STA_INFO_RX_BITRATE))
2319 goto nla_put_failure;
2321 if (sinfo->filled & STATION_INFO_RX_PACKETS)
2322 NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS,
2324 if (sinfo->filled & STATION_INFO_TX_PACKETS)
2325 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS,
2327 if (sinfo->filled & STATION_INFO_TX_RETRIES)
2328 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES,
2330 if (sinfo->filled & STATION_INFO_TX_FAILED)
2331 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED,
2333 if (sinfo->filled & STATION_INFO_BSS_PARAM) {
2334 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
2336 goto nla_put_failure;
2338 if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT)
2339 NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT);
2340 if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE)
2341 NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE);
2342 if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME)
2344 NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME);
2345 NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
2346 sinfo->bss_param.dtim_period);
2347 NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
2348 sinfo->bss_param.beacon_interval);
2350 nla_nest_end(msg, bss_param);
2352 if (sinfo->filled & STATION_INFO_STA_FLAGS)
2353 NLA_PUT(msg, NL80211_STA_INFO_STA_FLAGS,
2354 sizeof(struct nl80211_sta_flag_update),
2356 nla_nest_end(msg, sinfoattr);
2358 if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES)
2359 NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
2360 sinfo->assoc_req_ies);
2362 return genlmsg_end(msg, hdr);
2365 genlmsg_cancel(msg, hdr);
2369 static int nl80211_dump_station(struct sk_buff *skb,
2370 struct netlink_callback *cb)
2372 struct station_info sinfo;
2373 struct cfg80211_registered_device *dev;
2374 struct net_device *netdev;
2375 u8 mac_addr[ETH_ALEN];
2376 int sta_idx = cb->args[1];
2379 err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
2383 if (!dev->ops->dump_station) {
2389 memset(&sinfo, 0, sizeof(sinfo));
2390 err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx,
2397 if (nl80211_send_station(skb,
2398 NETLINK_CB(cb->skb).pid,
2399 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2409 cb->args[1] = sta_idx;
2412 nl80211_finish_netdev_dump(dev);
2417 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
2419 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2420 struct net_device *dev = info->user_ptr[1];
2421 struct station_info sinfo;
2422 struct sk_buff *msg;
2423 u8 *mac_addr = NULL;
2426 memset(&sinfo, 0, sizeof(sinfo));
2428 if (!info->attrs[NL80211_ATTR_MAC])
2431 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2433 if (!rdev->ops->get_station)
2436 err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo);
2440 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2444 if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0,
2445 dev, mac_addr, &sinfo) < 0) {
2450 return genlmsg_reply(msg, info);
2454 * Get vlan interface making sure it is running and on the right wiphy.
2456 static int get_vlan(struct genl_info *info,
2457 struct cfg80211_registered_device *rdev,
2458 struct net_device **vlan)
2460 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
2464 *vlan = dev_get_by_index(genl_info_net(info),
2465 nla_get_u32(vlanattr));
2468 if (!(*vlan)->ieee80211_ptr)
2470 if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)
2472 if (!netif_running(*vlan))
2478 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
2480 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2482 struct net_device *dev = info->user_ptr[1];
2483 struct station_parameters params;
2484 u8 *mac_addr = NULL;
2486 memset(¶ms, 0, sizeof(params));
2488 params.listen_interval = -1;
2489 params.plink_state = -1;
2491 if (info->attrs[NL80211_ATTR_STA_AID])
2494 if (!info->attrs[NL80211_ATTR_MAC])
2497 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2499 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
2500 params.supported_rates =
2501 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
2502 params.supported_rates_len =
2503 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
2506 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
2507 params.listen_interval =
2508 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
2510 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
2512 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
2514 if (parse_station_flags(info, ¶ms))
2517 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2518 params.plink_action =
2519 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2521 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE])
2522 params.plink_state =
2523 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
2525 err = get_vlan(info, rdev, ¶ms.vlan);
2529 /* validate settings */
2532 switch (dev->ieee80211_ptr->iftype) {
2533 case NL80211_IFTYPE_AP:
2534 case NL80211_IFTYPE_AP_VLAN:
2535 case NL80211_IFTYPE_P2P_GO:
2536 /* disallow mesh-specific things */
2537 if (params.plink_action)
2540 case NL80211_IFTYPE_P2P_CLIENT:
2541 case NL80211_IFTYPE_STATION:
2542 /* disallow things sta doesn't support */
2543 if (params.plink_action)
2547 if (params.supported_rates &&
2548 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2552 if (params.listen_interval >= 0)
2554 if (params.sta_flags_mask &
2555 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
2556 BIT(NL80211_STA_FLAG_TDLS_PEER)))
2558 /* can't change the TDLS bit */
2559 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
2560 (params.sta_flags_mask & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2563 case NL80211_IFTYPE_MESH_POINT:
2564 /* disallow things mesh doesn't support */
2569 if (params.listen_interval >= 0)
2571 if (params.sta_flags_mask &
2572 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2573 BIT(NL80211_STA_FLAG_MFP) |
2574 BIT(NL80211_STA_FLAG_AUTHORIZED)))
2584 if (!rdev->ops->change_station) {
2589 err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms);
2593 dev_put(params.vlan);
2598 static struct nla_policy
2599 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
2600 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
2601 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
2604 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
2606 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2608 struct net_device *dev = info->user_ptr[1];
2609 struct station_parameters params;
2610 u8 *mac_addr = NULL;
2612 memset(¶ms, 0, sizeof(params));
2614 if (!info->attrs[NL80211_ATTR_MAC])
2617 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
2620 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
2623 if (!info->attrs[NL80211_ATTR_STA_AID])
2626 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2627 params.supported_rates =
2628 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
2629 params.supported_rates_len =
2630 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
2631 params.listen_interval =
2632 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
2634 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
2635 if (!params.aid || params.aid > IEEE80211_MAX_AID)
2638 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
2640 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
2642 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2643 params.plink_action =
2644 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2646 if (parse_station_flags(info, ¶ms))
2649 /* parse WME attributes if sta is WME capable */
2650 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2651 (params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)) &&
2652 info->attrs[NL80211_ATTR_STA_WME]) {
2653 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
2656 nla = info->attrs[NL80211_ATTR_STA_WME];
2657 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
2658 nl80211_sta_wme_policy);
2662 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
2663 params.uapsd_queues =
2664 nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]);
2665 if (params.uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
2668 if (tb[NL80211_STA_WME_MAX_SP])
2670 nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
2672 if (params.max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
2675 params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
2678 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2679 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
2680 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
2681 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO &&
2682 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
2686 * Only managed stations can add TDLS peers, and only when the
2687 * wiphy supports external TDLS setup.
2689 if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION &&
2690 !((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
2691 (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2692 (rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)))
2695 err = get_vlan(info, rdev, ¶ms.vlan);
2699 /* validate settings */
2702 if (!rdev->ops->add_station) {
2707 err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms);
2711 dev_put(params.vlan);
2715 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
2717 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2718 struct net_device *dev = info->user_ptr[1];
2719 u8 *mac_addr = NULL;
2721 if (info->attrs[NL80211_ATTR_MAC])
2722 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2724 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2725 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
2726 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
2727 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2730 if (!rdev->ops->del_station)
2733 return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr);
2736 static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
2737 int flags, struct net_device *dev,
2738 u8 *dst, u8 *next_hop,
2739 struct mpath_info *pinfo)
2742 struct nlattr *pinfoattr;
2744 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
2748 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
2749 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
2750 NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop);
2752 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation);
2754 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
2756 goto nla_put_failure;
2757 if (pinfo->filled & MPATH_INFO_FRAME_QLEN)
2758 NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
2760 if (pinfo->filled & MPATH_INFO_SN)
2761 NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN,
2763 if (pinfo->filled & MPATH_INFO_METRIC)
2764 NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC,
2766 if (pinfo->filled & MPATH_INFO_EXPTIME)
2767 NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME,
2769 if (pinfo->filled & MPATH_INFO_FLAGS)
2770 NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS,
2772 if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT)
2773 NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
2774 pinfo->discovery_timeout);
2775 if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES)
2776 NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
2777 pinfo->discovery_retries);
2779 nla_nest_end(msg, pinfoattr);
2781 return genlmsg_end(msg, hdr);
2784 genlmsg_cancel(msg, hdr);
2788 static int nl80211_dump_mpath(struct sk_buff *skb,
2789 struct netlink_callback *cb)
2791 struct mpath_info pinfo;
2792 struct cfg80211_registered_device *dev;
2793 struct net_device *netdev;
2795 u8 next_hop[ETH_ALEN];
2796 int path_idx = cb->args[1];
2799 err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
2803 if (!dev->ops->dump_mpath) {
2808 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
2814 err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx,
2815 dst, next_hop, &pinfo);
2821 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid,
2822 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2823 netdev, dst, next_hop,
2832 cb->args[1] = path_idx;
2835 nl80211_finish_netdev_dump(dev);
2839 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
2841 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2843 struct net_device *dev = info->user_ptr[1];
2844 struct mpath_info pinfo;
2845 struct sk_buff *msg;
2847 u8 next_hop[ETH_ALEN];
2849 memset(&pinfo, 0, sizeof(pinfo));
2851 if (!info->attrs[NL80211_ATTR_MAC])
2854 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
2856 if (!rdev->ops->get_mpath)
2859 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
2862 err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo);
2866 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2870 if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0,
2871 dev, dst, next_hop, &pinfo) < 0) {
2876 return genlmsg_reply(msg, info);
2879 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
2881 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2882 struct net_device *dev = info->user_ptr[1];
2884 u8 *next_hop = NULL;
2886 if (!info->attrs[NL80211_ATTR_MAC])
2889 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
2892 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
2893 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
2895 if (!rdev->ops->change_mpath)
2898 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
2901 return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop);
2904 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
2906 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2907 struct net_device *dev = info->user_ptr[1];
2909 u8 *next_hop = NULL;
2911 if (!info->attrs[NL80211_ATTR_MAC])
2914 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
2917 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
2918 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
2920 if (!rdev->ops->add_mpath)
2923 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
2926 return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop);
2929 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
2931 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2932 struct net_device *dev = info->user_ptr[1];
2935 if (info->attrs[NL80211_ATTR_MAC])
2936 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
2938 if (!rdev->ops->del_mpath)
2941 return rdev->ops->del_mpath(&rdev->wiphy, dev, dst);
2944 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
2946 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2947 struct net_device *dev = info->user_ptr[1];
2948 struct bss_parameters params;
2950 memset(¶ms, 0, sizeof(params));
2951 /* default to not changing parameters */
2952 params.use_cts_prot = -1;
2953 params.use_short_preamble = -1;
2954 params.use_short_slot_time = -1;
2955 params.ap_isolate = -1;
2956 params.ht_opmode = -1;
2958 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
2959 params.use_cts_prot =
2960 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
2961 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
2962 params.use_short_preamble =
2963 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
2964 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
2965 params.use_short_slot_time =
2966 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
2967 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
2968 params.basic_rates =
2969 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
2970 params.basic_rates_len =
2971 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
2973 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
2974 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
2975 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
2977 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
2979 if (!rdev->ops->change_bss)
2982 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2983 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2986 return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms);
2989 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
2990 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
2991 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
2992 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
2993 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
2994 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
2995 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
2998 static int parse_reg_rule(struct nlattr *tb[],
2999 struct ieee80211_reg_rule *reg_rule)
3001 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
3002 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
3004 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
3006 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
3008 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
3010 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
3012 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
3015 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
3017 freq_range->start_freq_khz =
3018 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
3019 freq_range->end_freq_khz =
3020 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
3021 freq_range->max_bandwidth_khz =
3022 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
3024 power_rule->max_eirp =
3025 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
3027 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
3028 power_rule->max_antenna_gain =
3029 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
3034 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
3040 * You should only get this when cfg80211 hasn't yet initialized
3041 * completely when built-in to the kernel right between the time
3042 * window between nl80211_init() and regulatory_init(), if that is
3045 mutex_lock(&cfg80211_mutex);
3046 if (unlikely(!cfg80211_regdomain)) {
3047 mutex_unlock(&cfg80211_mutex);
3048 return -EINPROGRESS;
3050 mutex_unlock(&cfg80211_mutex);
3052 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
3055 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
3057 r = regulatory_hint_user(data);
3062 static int nl80211_get_mesh_config(struct sk_buff *skb,
3063 struct genl_info *info)
3065 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3066 struct net_device *dev = info->user_ptr[1];
3067 struct wireless_dev *wdev = dev->ieee80211_ptr;
3068 struct mesh_config cur_params;
3071 struct nlattr *pinfoattr;
3072 struct sk_buff *msg;
3074 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
3077 if (!rdev->ops->get_mesh_config)
3081 /* If not connected, get default parameters */
3082 if (!wdev->mesh_id_len)
3083 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
3085 err = rdev->ops->get_mesh_config(&rdev->wiphy, dev,
3092 /* Draw up a netlink message to send back */
3093 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3096 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
3097 NL80211_CMD_GET_MESH_CONFIG);
3100 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
3102 goto nla_put_failure;
3103 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
3104 NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
3105 cur_params.dot11MeshRetryTimeout);
3106 NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
3107 cur_params.dot11MeshConfirmTimeout);
3108 NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
3109 cur_params.dot11MeshHoldingTimeout);
3110 NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
3111 cur_params.dot11MeshMaxPeerLinks);
3112 NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES,
3113 cur_params.dot11MeshMaxRetries);
3114 NLA_PUT_U8(msg, NL80211_MESHCONF_TTL,
3115 cur_params.dot11MeshTTL);
3116 NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL,
3117 cur_params.element_ttl);
3118 NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
3119 cur_params.auto_open_plinks);
3120 NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
3121 cur_params.dot11MeshHWMPmaxPREQretries);
3122 NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
3123 cur_params.path_refresh_time);
3124 NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
3125 cur_params.min_discovery_timeout);
3126 NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
3127 cur_params.dot11MeshHWMPactivePathTimeout);
3128 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
3129 cur_params.dot11MeshHWMPpreqMinInterval);
3130 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
3131 cur_params.dot11MeshHWMPnetDiameterTraversalTime);
3132 NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
3133 cur_params.dot11MeshHWMPRootMode);
3134 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
3135 cur_params.dot11MeshHWMPRannInterval);
3136 NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
3137 cur_params.dot11MeshGateAnnouncementProtocol);
3138 nla_nest_end(msg, pinfoattr);
3139 genlmsg_end(msg, hdr);
3140 return genlmsg_reply(msg, info);
3143 genlmsg_cancel(msg, hdr);
3149 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
3150 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
3151 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
3152 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
3153 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
3154 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
3155 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
3156 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
3157 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
3159 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
3160 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
3161 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
3162 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
3163 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
3164 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
3165 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
3166 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
3167 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
3170 static const struct nla_policy
3171 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
3172 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
3173 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
3174 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
3175 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
3176 .len = IEEE80211_MAX_DATA_LEN },
3177 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
3180 static int nl80211_parse_mesh_config(struct genl_info *info,
3181 struct mesh_config *cfg,
3184 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
3187 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
3189 if (table[attr_num]) {\
3190 cfg->param = nla_fn(table[attr_num]); \
3191 mask |= (1 << (attr_num - 1)); \
3196 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
3198 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
3199 info->attrs[NL80211_ATTR_MESH_CONFIG],
3200 nl80211_meshconf_params_policy))
3203 /* This makes sure that there aren't more than 32 mesh config
3204 * parameters (otherwise our bitfield scheme would not work.) */
3205 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
3207 /* Fill in the params struct */
3208 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
3209 mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
3210 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
3211 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16);
3212 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout,
3213 mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16);
3214 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks,
3215 mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16);
3216 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries,
3217 mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
3218 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
3219 mask, NL80211_MESHCONF_TTL, nla_get_u8);
3220 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl,
3221 mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
3222 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
3223 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8);
3224 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
3225 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
3227 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time,
3228 mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32);
3229 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout,
3230 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
3232 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
3233 mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
3235 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
3236 mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
3238 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
3239 dot11MeshHWMPnetDiameterTraversalTime,
3240 mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
3242 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
3243 dot11MeshHWMPRootMode, mask,
3244 NL80211_MESHCONF_HWMP_ROOTMODE,
3246 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
3247 dot11MeshHWMPRannInterval, mask,
3248 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
3250 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
3251 dot11MeshGateAnnouncementProtocol, mask,
3252 NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
3259 #undef FILL_IN_MESH_PARAM_IF_SET
3262 static int nl80211_parse_mesh_setup(struct genl_info *info,
3263 struct mesh_setup *setup)
3265 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
3267 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
3269 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
3270 info->attrs[NL80211_ATTR_MESH_SETUP],
3271 nl80211_mesh_setup_params_policy))
3274 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
3275 setup->path_sel_proto =
3276 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
3277 IEEE80211_PATH_PROTOCOL_VENDOR :
3278 IEEE80211_PATH_PROTOCOL_HWMP;
3280 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
3281 setup->path_metric =
3282 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
3283 IEEE80211_PATH_METRIC_VENDOR :
3284 IEEE80211_PATH_METRIC_AIRTIME;
3287 if (tb[NL80211_MESH_SETUP_IE]) {
3288 struct nlattr *ieattr =
3289 tb[NL80211_MESH_SETUP_IE];
3290 if (!is_valid_ie_attr(ieattr))
3292 setup->ie = nla_data(ieattr);
3293 setup->ie_len = nla_len(ieattr);
3295 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
3296 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
3301 static int nl80211_update_mesh_config(struct sk_buff *skb,
3302 struct genl_info *info)
3304 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3305 struct net_device *dev = info->user_ptr[1];
3306 struct wireless_dev *wdev = dev->ieee80211_ptr;
3307 struct mesh_config cfg;
3311 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
3314 if (!rdev->ops->update_mesh_config)
3317 err = nl80211_parse_mesh_config(info, &cfg, &mask);
3322 if (!wdev->mesh_id_len)
3326 err = rdev->ops->update_mesh_config(&rdev->wiphy, dev,
3334 static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
3336 struct sk_buff *msg;
3338 struct nlattr *nl_reg_rules;
3342 mutex_lock(&cfg80211_mutex);
3344 if (!cfg80211_regdomain)
3347 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3353 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
3354 NL80211_CMD_GET_REG);
3358 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2,
3359 cfg80211_regdomain->alpha2);
3361 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
3363 goto nla_put_failure;
3365 for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) {
3366 struct nlattr *nl_reg_rule;
3367 const struct ieee80211_reg_rule *reg_rule;
3368 const struct ieee80211_freq_range *freq_range;
3369 const struct ieee80211_power_rule *power_rule;
3371 reg_rule = &cfg80211_regdomain->reg_rules[i];
3372 freq_range = ®_rule->freq_range;
3373 power_rule = ®_rule->power_rule;
3375 nl_reg_rule = nla_nest_start(msg, i);
3377 goto nla_put_failure;
3379 NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS,
3381 NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START,
3382 freq_range->start_freq_khz);
3383 NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END,
3384 freq_range->end_freq_khz);
3385 NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
3386 freq_range->max_bandwidth_khz);
3387 NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
3388 power_rule->max_antenna_gain);
3389 NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
3390 power_rule->max_eirp);
3392 nla_nest_end(msg, nl_reg_rule);
3395 nla_nest_end(msg, nl_reg_rules);
3397 genlmsg_end(msg, hdr);
3398 err = genlmsg_reply(msg, info);
3402 genlmsg_cancel(msg, hdr);
3407 mutex_unlock(&cfg80211_mutex);
3411 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
3413 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
3414 struct nlattr *nl_reg_rule;
3415 char *alpha2 = NULL;
3416 int rem_reg_rules = 0, r = 0;
3417 u32 num_rules = 0, rule_idx = 0, size_of_regd;
3418 struct ieee80211_regdomain *rd = NULL;
3420 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
3423 if (!info->attrs[NL80211_ATTR_REG_RULES])
3426 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
3428 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
3431 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
3435 mutex_lock(&cfg80211_mutex);
3437 if (!reg_is_valid_request(alpha2)) {
3442 size_of_regd = sizeof(struct ieee80211_regdomain) +
3443 (num_rules * sizeof(struct ieee80211_reg_rule));
3445 rd = kzalloc(size_of_regd, GFP_KERNEL);
3451 rd->n_reg_rules = num_rules;
3452 rd->alpha2[0] = alpha2[0];
3453 rd->alpha2[1] = alpha2[1];
3455 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
3457 nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
3458 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
3460 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
3466 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
3472 BUG_ON(rule_idx != num_rules);
3476 mutex_unlock(&cfg80211_mutex);
3481 mutex_unlock(&cfg80211_mutex);
3486 static int validate_scan_freqs(struct nlattr *freqs)
3488 struct nlattr *attr1, *attr2;
3489 int n_channels = 0, tmp1, tmp2;
3491 nla_for_each_nested(attr1, freqs, tmp1) {
3494 * Some hardware has a limited channel list for
3495 * scanning, and it is pretty much nonsensical
3496 * to scan for a channel twice, so disallow that
3497 * and don't require drivers to check that the
3498 * channel list they get isn't longer than what
3499 * they can scan, as long as they can scan all
3500 * the channels they registered at once.
3502 nla_for_each_nested(attr2, freqs, tmp2)
3503 if (attr1 != attr2 &&
3504 nla_get_u32(attr1) == nla_get_u32(attr2))
3511 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
3513 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3514 struct net_device *dev = info->user_ptr[1];
3515 struct cfg80211_scan_request *request;
3516 struct nlattr *attr;
3517 struct wiphy *wiphy;
3518 int err, tmp, n_ssids = 0, n_channels, i;
3521 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
3524 wiphy = &rdev->wiphy;
3526 if (!rdev->ops->scan)
3532 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
3533 n_channels = validate_scan_freqs(
3534 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
3538 enum ieee80211_band band;
3541 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
3542 if (wiphy->bands[band])
3543 n_channels += wiphy->bands[band]->n_channels;
3546 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
3547 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
3550 if (n_ssids > wiphy->max_scan_ssids)
3553 if (info->attrs[NL80211_ATTR_IE])
3554 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
3558 if (ie_len > wiphy->max_scan_ie_len)
3561 request = kzalloc(sizeof(*request)
3562 + sizeof(*request->ssids) * n_ssids
3563 + sizeof(*request->channels) * n_channels
3564 + ie_len, GFP_KERNEL);
3569 request->ssids = (void *)&request->channels[n_channels];
3570 request->n_ssids = n_ssids;
3573 request->ie = (void *)(request->ssids + n_ssids);
3575 request->ie = (void *)(request->channels + n_channels);
3579 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
3580 /* user specified, bail out if channel not found */
3581 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
3582 struct ieee80211_channel *chan;
3584 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
3591 /* ignore disabled channels */
3592 if (chan->flags & IEEE80211_CHAN_DISABLED)
3595 request->channels[i] = chan;
3599 enum ieee80211_band band;
3602 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
3604 if (!wiphy->bands[band])
3606 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
3607 struct ieee80211_channel *chan;
3609 chan = &wiphy->bands[band]->channels[j];
3611 if (chan->flags & IEEE80211_CHAN_DISABLED)
3614 request->channels[i] = chan;
3625 request->n_channels = i;
3628 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
3629 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
3630 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
3634 request->ssids[i].ssid_len = nla_len(attr);
3635 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
3640 if (info->attrs[NL80211_ATTR_IE]) {
3641 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
3642 memcpy((void *)request->ie,
3643 nla_data(info->attrs[NL80211_ATTR_IE]),
3647 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3648 if (wiphy->bands[i])
3650 (1 << wiphy->bands[i]->n_bitrates) - 1;
3652 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
3653 nla_for_each_nested(attr,
3654 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
3656 enum ieee80211_band band = nla_type(attr);
3658 if (band < 0 || band >= IEEE80211_NUM_BANDS) {
3662 err = ieee80211_get_ratemask(wiphy->bands[band],
3665 &request->rates[band]);
3672 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
3675 request->wiphy = &rdev->wiphy;
3677 rdev->scan_req = request;
3678 err = rdev->ops->scan(&rdev->wiphy, dev, request);
3681 nl80211_send_scan_start(rdev, dev);
3685 rdev->scan_req = NULL;
3692 static int nl80211_start_sched_scan(struct sk_buff *skb,
3693 struct genl_info *info)
3695 struct cfg80211_sched_scan_request *request;
3696 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3697 struct net_device *dev = info->user_ptr[1];
3698 struct nlattr *attr;
3699 struct wiphy *wiphy;
3700 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
3702 enum ieee80211_band band;
3704 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
3706 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
3707 !rdev->ops->sched_scan_start)
3710 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
3713 if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
3716 interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
3720 wiphy = &rdev->wiphy;
3722 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
3723 n_channels = validate_scan_freqs(
3724 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
3730 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
3731 if (wiphy->bands[band])
3732 n_channels += wiphy->bands[band]->n_channels;
3735 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
3736 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
3740 if (n_ssids > wiphy->max_sched_scan_ssids)
3743 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
3744 nla_for_each_nested(attr,
3745 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
3749 if (n_match_sets > wiphy->max_match_sets)
3752 if (info->attrs[NL80211_ATTR_IE])
3753 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
3757 if (ie_len > wiphy->max_sched_scan_ie_len)
3760 mutex_lock(&rdev->sched_scan_mtx);
3762 if (rdev->sched_scan_req) {
3767 request = kzalloc(sizeof(*request)
3768 + sizeof(*request->ssids) * n_ssids
3769 + sizeof(*request->match_sets) * n_match_sets
3770 + sizeof(*request->channels) * n_channels
3771 + ie_len, GFP_KERNEL);
3778 request->ssids = (void *)&request->channels[n_channels];
3779 request->n_ssids = n_ssids;
3782 request->ie = (void *)(request->ssids + n_ssids);
3784 request->ie = (void *)(request->channels + n_channels);
3789 request->match_sets = (void *)(request->ie + ie_len);
3790 else if (request->ssids)
3791 request->match_sets =
3792 (void *)(request->ssids + n_ssids);
3794 request->match_sets =
3795 (void *)(request->channels + n_channels);
3797 request->n_match_sets = n_match_sets;
3800 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
3801 /* user specified, bail out if channel not found */
3802 nla_for_each_nested(attr,
3803 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
3805 struct ieee80211_channel *chan;
3807 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
3814 /* ignore disabled channels */
3815 if (chan->flags & IEEE80211_CHAN_DISABLED)
3818 request->channels[i] = chan;
3823 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
3825 if (!wiphy->bands[band])
3827 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
3828 struct ieee80211_channel *chan;
3830 chan = &wiphy->bands[band]->channels[j];
3832 if (chan->flags & IEEE80211_CHAN_DISABLED)
3835 request->channels[i] = chan;
3846 request->n_channels = i;
3849 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
3850 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
3852 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
3856 request->ssids[i].ssid_len = nla_len(attr);
3857 memcpy(request->ssids[i].ssid, nla_data(attr),
3864 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
3865 nla_for_each_nested(attr,
3866 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
3868 struct nlattr *ssid;
3870 nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
3871 nla_data(attr), nla_len(attr),
3872 nl80211_match_policy);
3873 ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID];
3875 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
3879 memcpy(request->match_sets[i].ssid.ssid,
3880 nla_data(ssid), nla_len(ssid));
3881 request->match_sets[i].ssid.ssid_len =
3888 if (info->attrs[NL80211_ATTR_IE]) {
3889 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
3890 memcpy((void *)request->ie,
3891 nla_data(info->attrs[NL80211_ATTR_IE]),
3896 request->wiphy = &rdev->wiphy;
3897 request->interval = interval;
3899 err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request);
3901 rdev->sched_scan_req = request;
3902 nl80211_send_sched_scan(rdev, dev,
3903 NL80211_CMD_START_SCHED_SCAN);
3910 mutex_unlock(&rdev->sched_scan_mtx);
3914 static int nl80211_stop_sched_scan(struct sk_buff *skb,
3915 struct genl_info *info)
3917 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3920 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
3921 !rdev->ops->sched_scan_stop)
3924 mutex_lock(&rdev->sched_scan_mtx);
3925 err = __cfg80211_stop_sched_scan(rdev, false);
3926 mutex_unlock(&rdev->sched_scan_mtx);
3931 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
3933 struct cfg80211_registered_device *rdev,
3934 struct wireless_dev *wdev,
3935 struct cfg80211_internal_bss *intbss)
3937 struct cfg80211_bss *res = &intbss->pub;
3942 ASSERT_WDEV_LOCK(wdev);
3944 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags,
3945 NL80211_CMD_NEW_SCAN_RESULTS);
3949 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
3951 NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation);
3952 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex);
3954 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
3956 goto nla_put_failure;
3957 if (!is_zero_ether_addr(res->bssid))
3958 NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid);
3959 if (res->information_elements && res->len_information_elements)
3960 NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS,
3961 res->len_information_elements,
3962 res->information_elements);
3963 if (res->beacon_ies && res->len_beacon_ies &&
3964 res->beacon_ies != res->information_elements)
3965 NLA_PUT(msg, NL80211_BSS_BEACON_IES,
3966 res->len_beacon_ies, res->beacon_ies);
3968 NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf);
3969 if (res->beacon_interval)
3970 NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval);
3971 NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability);
3972 NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq);
3973 NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO,
3974 jiffies_to_msecs(jiffies - intbss->ts));
3976 switch (rdev->wiphy.signal_type) {
3977 case CFG80211_SIGNAL_TYPE_MBM:
3978 NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal);
3980 case CFG80211_SIGNAL_TYPE_UNSPEC:
3981 NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal);
3987 switch (wdev->iftype) {
3988 case NL80211_IFTYPE_P2P_CLIENT:
3989 case NL80211_IFTYPE_STATION:
3990 if (intbss == wdev->current_bss)
3991 NLA_PUT_U32(msg, NL80211_BSS_STATUS,
3992 NL80211_BSS_STATUS_ASSOCIATED);
3993 else for (i = 0; i < MAX_AUTH_BSSES; i++) {
3994 if (intbss != wdev->auth_bsses[i])
3996 NLA_PUT_U32(msg, NL80211_BSS_STATUS,
3997 NL80211_BSS_STATUS_AUTHENTICATED);
4001 case NL80211_IFTYPE_ADHOC:
4002 if (intbss == wdev->current_bss)
4003 NLA_PUT_U32(msg, NL80211_BSS_STATUS,
4004 NL80211_BSS_STATUS_IBSS_JOINED);
4010 nla_nest_end(msg, bss);
4012 return genlmsg_end(msg, hdr);
4015 genlmsg_cancel(msg, hdr);
4019 static int nl80211_dump_scan(struct sk_buff *skb,
4020 struct netlink_callback *cb)
4022 struct cfg80211_registered_device *rdev;
4023 struct net_device *dev;
4024 struct cfg80211_internal_bss *scan;
4025 struct wireless_dev *wdev;
4026 int start = cb->args[1], idx = 0;
4029 err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev);
4033 wdev = dev->ieee80211_ptr;
4036 spin_lock_bh(&rdev->bss_lock);
4037 cfg80211_bss_expire(rdev);
4039 cb->seq = rdev->bss_generation;
4041 list_for_each_entry(scan, &rdev->bss_list, list) {
4044 if (nl80211_send_bss(skb, cb,
4045 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4046 rdev, wdev, scan) < 0) {
4052 spin_unlock_bh(&rdev->bss_lock);
4056 nl80211_finish_netdev_dump(rdev);
4061 static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
4062 int flags, struct net_device *dev,
4063 struct survey_info *survey)
4066 struct nlattr *infoattr;
4068 hdr = nl80211hdr_put(msg, pid, seq, flags,
4069 NL80211_CMD_NEW_SURVEY_RESULTS);
4073 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
4075 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
4077 goto nla_put_failure;
4079 NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY,
4080 survey->channel->center_freq);
4081 if (survey->filled & SURVEY_INFO_NOISE_DBM)
4082 NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE,
4084 if (survey->filled & SURVEY_INFO_IN_USE)
4085 NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE);
4086 if (survey->filled & SURVEY_INFO_CHANNEL_TIME)
4087 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
4088 survey->channel_time);
4089 if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
4090 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
4091 survey->channel_time_busy);
4092 if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
4093 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
4094 survey->channel_time_ext_busy);
4095 if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX)
4096 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
4097 survey->channel_time_rx);
4098 if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX)
4099 NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
4100 survey->channel_time_tx);
4102 nla_nest_end(msg, infoattr);
4104 return genlmsg_end(msg, hdr);
4107 genlmsg_cancel(msg, hdr);
4111 static int nl80211_dump_survey(struct sk_buff *skb,
4112 struct netlink_callback *cb)
4114 struct survey_info survey;
4115 struct cfg80211_registered_device *dev;
4116 struct net_device *netdev;
4117 int survey_idx = cb->args[1];
4120 res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
4124 if (!dev->ops->dump_survey) {
4130 struct ieee80211_channel *chan;
4132 res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx,
4139 /* Survey without a channel doesn't make sense */
4140 if (!survey.channel) {
4145 chan = ieee80211_get_channel(&dev->wiphy,
4146 survey.channel->center_freq);
4147 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
4152 if (nl80211_send_survey(skb,
4153 NETLINK_CB(cb->skb).pid,
4154 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4162 cb->args[1] = survey_idx;
4165 nl80211_finish_netdev_dump(dev);
4169 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
4171 return auth_type <= NL80211_AUTHTYPE_MAX;
4174 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
4176 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
4177 NL80211_WPA_VERSION_2));
4180 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
4182 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4183 struct net_device *dev = info->user_ptr[1];
4184 struct ieee80211_channel *chan;
4185 const u8 *bssid, *ssid, *ie = NULL;
4186 int err, ssid_len, ie_len = 0;
4187 enum nl80211_auth_type auth_type;
4188 struct key_parse key;
4189 bool local_state_change;
4191 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4194 if (!info->attrs[NL80211_ATTR_MAC])
4197 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
4200 if (!info->attrs[NL80211_ATTR_SSID])
4203 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
4206 err = nl80211_parse_key(info, &key);
4211 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
4213 if (!key.p.key || !key.p.key_len)
4215 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
4216 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
4217 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
4218 key.p.key_len != WLAN_KEY_LEN_WEP104))
4230 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
4231 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
4240 if (!rdev->ops->auth)
4243 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4244 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4247 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4248 chan = ieee80211_get_channel(&rdev->wiphy,
4249 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
4250 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
4253 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4254 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
4256 if (info->attrs[NL80211_ATTR_IE]) {
4257 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4258 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4261 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
4262 if (!nl80211_valid_auth_type(auth_type))
4265 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
4267 return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
4268 ssid, ssid_len, ie, ie_len,
4269 key.p.key, key.p.key_len, key.idx,
4270 local_state_change);
4273 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
4274 struct genl_info *info,
4275 struct cfg80211_crypto_settings *settings,
4278 memset(settings, 0, sizeof(*settings));
4280 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
4282 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
4284 proto = nla_get_u16(
4285 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
4286 settings->control_port_ethertype = cpu_to_be16(proto);
4287 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
4290 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
4291 settings->control_port_no_encrypt = true;
4293 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
4295 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
4299 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
4300 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
4301 settings->n_ciphers_pairwise = len / sizeof(u32);
4303 if (len % sizeof(u32))
4306 if (settings->n_ciphers_pairwise > cipher_limit)
4309 memcpy(settings->ciphers_pairwise, data, len);
4311 for (i = 0; i < settings->n_ciphers_pairwise; i++)
4312 if (!cfg80211_supported_cipher_suite(
4314 settings->ciphers_pairwise[i]))
4318 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
4319 settings->cipher_group =
4320 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
4321 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
4322 settings->cipher_group))
4326 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
4327 settings->wpa_versions =
4328 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
4329 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
4333 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
4337 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
4338 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
4339 settings->n_akm_suites = len / sizeof(u32);
4341 if (len % sizeof(u32))
4344 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
4347 memcpy(settings->akm_suites, data, len);
4353 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
4355 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4356 struct net_device *dev = info->user_ptr[1];
4357 struct cfg80211_crypto_settings crypto;
4358 struct ieee80211_channel *chan;
4359 const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL;
4360 int err, ssid_len, ie_len = 0;
4361 bool use_mfp = false;
4363 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4366 if (!info->attrs[NL80211_ATTR_MAC] ||
4367 !info->attrs[NL80211_ATTR_SSID] ||
4368 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
4371 if (!rdev->ops->assoc)
4374 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4375 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4378 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4380 chan = ieee80211_get_channel(&rdev->wiphy,
4381 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
4382 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
4385 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4386 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
4388 if (info->attrs[NL80211_ATTR_IE]) {
4389 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4390 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4393 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4394 enum nl80211_mfp mfp =
4395 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4396 if (mfp == NL80211_MFP_REQUIRED)
4398 else if (mfp != NL80211_MFP_NO)
4402 if (info->attrs[NL80211_ATTR_PREV_BSSID])
4403 prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
4405 err = nl80211_crypto_settings(rdev, info, &crypto, 1);
4407 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
4408 ssid, ssid_len, ie, ie_len, use_mfp,
4414 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
4416 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4417 struct net_device *dev = info->user_ptr[1];
4418 const u8 *ie = NULL, *bssid;
4421 bool local_state_change;
4423 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4426 if (!info->attrs[NL80211_ATTR_MAC])
4429 if (!info->attrs[NL80211_ATTR_REASON_CODE])
4432 if (!rdev->ops->deauth)
4435 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4436 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4439 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4441 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
4442 if (reason_code == 0) {
4443 /* Reason Code 0 is reserved */
4447 if (info->attrs[NL80211_ATTR_IE]) {
4448 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4449 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4452 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
4454 return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
4455 local_state_change);
4458 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
4460 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4461 struct net_device *dev = info->user_ptr[1];
4462 const u8 *ie = NULL, *bssid;
4465 bool local_state_change;
4467 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4470 if (!info->attrs[NL80211_ATTR_MAC])
4473 if (!info->attrs[NL80211_ATTR_REASON_CODE])
4476 if (!rdev->ops->disassoc)
4479 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4480 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4483 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4485 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
4486 if (reason_code == 0) {
4487 /* Reason Code 0 is reserved */
4491 if (info->attrs[NL80211_ATTR_IE]) {
4492 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4493 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4496 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
4498 return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
4499 local_state_change);
4503 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
4504 int mcast_rate[IEEE80211_NUM_BANDS],
4507 struct wiphy *wiphy = &rdev->wiphy;
4511 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
4512 struct ieee80211_supported_band *sband;
4514 sband = wiphy->bands[band];
4518 for (i = 0; i < sband->n_bitrates; i++) {
4519 if (sband->bitrates[i].bitrate == rateval) {
4520 mcast_rate[band] = i + 1;
4530 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
4532 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4533 struct net_device *dev = info->user_ptr[1];
4534 struct cfg80211_ibss_params ibss;
4535 struct wiphy *wiphy;
4536 struct cfg80211_cached_keys *connkeys = NULL;
4539 memset(&ibss, 0, sizeof(ibss));
4541 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4544 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
4545 !info->attrs[NL80211_ATTR_SSID] ||
4546 !nla_len(info->attrs[NL80211_ATTR_SSID]))
4549 ibss.beacon_interval = 100;
4551 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
4552 ibss.beacon_interval =
4553 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4554 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
4558 if (!rdev->ops->join_ibss)
4561 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
4564 wiphy = &rdev->wiphy;
4566 if (info->attrs[NL80211_ATTR_MAC]) {
4567 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4569 if (!is_valid_ether_addr(ibss.bssid))
4572 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4573 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
4575 if (info->attrs[NL80211_ATTR_IE]) {
4576 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4577 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4580 ibss.channel = ieee80211_get_channel(wiphy,
4581 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
4582 if (!ibss.channel ||
4583 ibss.channel->flags & IEEE80211_CHAN_NO_IBSS ||
4584 ibss.channel->flags & IEEE80211_CHAN_DISABLED)
4587 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
4588 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4590 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
4592 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4594 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4595 struct ieee80211_supported_band *sband =
4596 wiphy->bands[ibss.channel->band];
4599 err = ieee80211_get_ratemask(sband, rates, n_rates,
4605 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
4606 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
4607 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
4610 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
4611 connkeys = nl80211_parse_connkeys(rdev,
4612 info->attrs[NL80211_ATTR_KEYS]);
4613 if (IS_ERR(connkeys))
4614 return PTR_ERR(connkeys);
4617 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
4623 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
4625 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4626 struct net_device *dev = info->user_ptr[1];
4628 if (!rdev->ops->leave_ibss)
4631 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
4634 return cfg80211_leave_ibss(rdev, dev, false);
4637 #ifdef CONFIG_NL80211_TESTMODE
4638 static struct genl_multicast_group nl80211_testmode_mcgrp = {
4642 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
4644 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4647 if (!info->attrs[NL80211_ATTR_TESTDATA])
4651 if (rdev->ops->testmode_cmd) {
4652 rdev->testmode_info = info;
4653 err = rdev->ops->testmode_cmd(&rdev->wiphy,
4654 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
4655 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
4656 rdev->testmode_info = NULL;
4662 static int nl80211_testmode_dump(struct sk_buff *skb,
4663 struct netlink_callback *cb)
4665 struct cfg80211_registered_device *dev;
4673 * 0 is a valid index, but not valid for args[0],
4674 * so we need to offset by 1.
4676 phy_idx = cb->args[0] - 1;
4678 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
4679 nl80211_fam.attrbuf, nl80211_fam.maxattr,
4683 if (!nl80211_fam.attrbuf[NL80211_ATTR_WIPHY])
4685 phy_idx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]);
4686 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
4688 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
4692 data = nla_data((void *)cb->args[1]);
4693 data_len = nla_len((void *)cb->args[1]);
4696 mutex_lock(&cfg80211_mutex);
4697 dev = cfg80211_rdev_by_wiphy_idx(phy_idx);
4699 mutex_unlock(&cfg80211_mutex);
4702 cfg80211_lock_rdev(dev);
4703 mutex_unlock(&cfg80211_mutex);
4705 if (!dev->ops->testmode_dump) {
4711 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid,
4712 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4713 NL80211_CMD_TESTMODE);
4714 struct nlattr *tmdata;
4716 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, dev->wiphy_idx) < 0) {
4717 genlmsg_cancel(skb, hdr);
4721 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
4723 genlmsg_cancel(skb, hdr);
4726 err = dev->ops->testmode_dump(&dev->wiphy, skb, cb,
4728 nla_nest_end(skb, tmdata);
4730 if (err == -ENOBUFS || err == -ENOENT) {
4731 genlmsg_cancel(skb, hdr);
4734 genlmsg_cancel(skb, hdr);
4738 genlmsg_end(skb, hdr);
4743 cb->args[0] = phy_idx + 1;
4745 cfg80211_unlock_rdev(dev);
4749 static struct sk_buff *
4750 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
4751 int approxlen, u32 pid, u32 seq, gfp_t gfp)
4753 struct sk_buff *skb;
4755 struct nlattr *data;
4757 skb = nlmsg_new(approxlen + 100, gfp);
4761 hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE);
4767 NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
4768 data = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
4770 ((void **)skb->cb)[0] = rdev;
4771 ((void **)skb->cb)[1] = hdr;
4772 ((void **)skb->cb)[2] = data;
4781 struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
4784 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
4786 if (WARN_ON(!rdev->testmode_info))
4789 return __cfg80211_testmode_alloc_skb(rdev, approxlen,
4790 rdev->testmode_info->snd_pid,
4791 rdev->testmode_info->snd_seq,
4794 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb);
4796 int cfg80211_testmode_reply(struct sk_buff *skb)
4798 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
4799 void *hdr = ((void **)skb->cb)[1];
4800 struct nlattr *data = ((void **)skb->cb)[2];
4802 if (WARN_ON(!rdev->testmode_info)) {
4807 nla_nest_end(skb, data);
4808 genlmsg_end(skb, hdr);
4809 return genlmsg_reply(skb, rdev->testmode_info);
4811 EXPORT_SYMBOL(cfg80211_testmode_reply);
4813 struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
4814 int approxlen, gfp_t gfp)
4816 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
4818 return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp);
4820 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
4822 void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
4824 void *hdr = ((void **)skb->cb)[1];
4825 struct nlattr *data = ((void **)skb->cb)[2];
4827 nla_nest_end(skb, data);
4828 genlmsg_end(skb, hdr);
4829 genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp);
4831 EXPORT_SYMBOL(cfg80211_testmode_event);
4834 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
4836 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4837 struct net_device *dev = info->user_ptr[1];
4838 struct cfg80211_connect_params connect;
4839 struct wiphy *wiphy;
4840 struct cfg80211_cached_keys *connkeys = NULL;
4843 memset(&connect, 0, sizeof(connect));
4845 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
4848 if (!info->attrs[NL80211_ATTR_SSID] ||
4849 !nla_len(info->attrs[NL80211_ATTR_SSID]))
4852 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4854 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
4855 if (!nl80211_valid_auth_type(connect.auth_type))
4858 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4860 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
4862 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
4863 NL80211_MAX_NR_CIPHER_SUITES);
4867 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4868 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4871 wiphy = &rdev->wiphy;
4873 if (info->attrs[NL80211_ATTR_MAC])
4874 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4875 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4876 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
4878 if (info->attrs[NL80211_ATTR_IE]) {
4879 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
4880 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
4883 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
4885 ieee80211_get_channel(wiphy,
4886 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
4887 if (!connect.channel ||
4888 connect.channel->flags & IEEE80211_CHAN_DISABLED)
4892 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
4893 connkeys = nl80211_parse_connkeys(rdev,
4894 info->attrs[NL80211_ATTR_KEYS]);
4895 if (IS_ERR(connkeys))
4896 return PTR_ERR(connkeys);
4899 err = cfg80211_connect(rdev, dev, &connect, connkeys);
4905 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
4907 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4908 struct net_device *dev = info->user_ptr[1];
4911 if (!info->attrs[NL80211_ATTR_REASON_CODE])
4912 reason = WLAN_REASON_DEAUTH_LEAVING;
4914 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
4919 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4920 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4923 return cfg80211_disconnect(rdev, dev, reason, true);
4926 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
4928 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4933 if (!info->attrs[NL80211_ATTR_PID])
4936 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
4938 net = get_net_ns_by_pid(pid);
4940 return PTR_ERR(net);
4944 /* check if anything to do */
4945 if (!net_eq(wiphy_net(&rdev->wiphy), net))
4946 err = cfg80211_switch_netns(rdev, net);
4952 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
4954 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4955 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
4956 struct cfg80211_pmksa *pmksa) = NULL;
4957 struct net_device *dev = info->user_ptr[1];
4958 struct cfg80211_pmksa pmksa;
4960 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
4962 if (!info->attrs[NL80211_ATTR_MAC])
4965 if (!info->attrs[NL80211_ATTR_PMKID])
4968 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
4969 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
4971 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4972 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
4975 switch (info->genlhdr->cmd) {
4976 case NL80211_CMD_SET_PMKSA:
4977 rdev_ops = rdev->ops->set_pmksa;
4979 case NL80211_CMD_DEL_PMKSA:
4980 rdev_ops = rdev->ops->del_pmksa;
4990 return rdev_ops(&rdev->wiphy, dev, &pmksa);
4993 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
4995 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4996 struct net_device *dev = info->user_ptr[1];
4998 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4999 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
5002 if (!rdev->ops->flush_pmksa)
5005 return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
5008 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
5010 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5011 struct net_device *dev = info->user_ptr[1];
5012 u8 action_code, dialog_token;
5016 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
5017 !rdev->ops->tdls_mgmt)
5020 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
5021 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
5022 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
5023 !info->attrs[NL80211_ATTR_IE] ||
5024 !info->attrs[NL80211_ATTR_MAC])
5027 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
5028 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
5029 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
5030 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
5032 return rdev->ops->tdls_mgmt(&rdev->wiphy, dev, peer, action_code,
5033 dialog_token, status_code,
5034 nla_data(info->attrs[NL80211_ATTR_IE]),
5035 nla_len(info->attrs[NL80211_ATTR_IE]));
5038 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
5040 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5041 struct net_device *dev = info->user_ptr[1];
5042 enum nl80211_tdls_operation operation;
5045 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
5046 !rdev->ops->tdls_oper)
5049 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
5050 !info->attrs[NL80211_ATTR_MAC])
5053 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
5054 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
5056 return rdev->ops->tdls_oper(&rdev->wiphy, dev, peer, operation);
5059 static int nl80211_remain_on_channel(struct sk_buff *skb,
5060 struct genl_info *info)
5062 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5063 struct net_device *dev = info->user_ptr[1];
5064 struct ieee80211_channel *chan;
5065 struct sk_buff *msg;
5068 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
5072 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
5073 !info->attrs[NL80211_ATTR_DURATION])
5076 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
5079 * We should be on that channel for at least one jiffie,
5080 * and more than 5 seconds seems excessive.
5082 if (!duration || !msecs_to_jiffies(duration) ||
5083 duration > rdev->wiphy.max_remain_on_channel_duration)
5086 if (!rdev->ops->remain_on_channel)
5089 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
5090 channel_type = nla_get_u32(
5091 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
5092 if (channel_type != NL80211_CHAN_NO_HT &&
5093 channel_type != NL80211_CHAN_HT20 &&
5094 channel_type != NL80211_CHAN_HT40PLUS &&
5095 channel_type != NL80211_CHAN_HT40MINUS)
5099 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
5100 chan = rdev_freq_to_chan(rdev, freq, channel_type);
5104 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5108 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
5109 NL80211_CMD_REMAIN_ON_CHANNEL);
5116 err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan,
5117 channel_type, duration, &cookie);
5122 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
5124 genlmsg_end(msg, hdr);
5126 return genlmsg_reply(msg, info);
5135 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
5136 struct genl_info *info)
5138 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5139 struct net_device *dev = info->user_ptr[1];
5142 if (!info->attrs[NL80211_ATTR_COOKIE])
5145 if (!rdev->ops->cancel_remain_on_channel)
5148 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
5150 return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
5153 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
5154 u8 *rates, u8 rates_len)
5159 for (i = 0; i < rates_len; i++) {
5160 int rate = (rates[i] & 0x7f) * 5;
5162 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
5163 struct ieee80211_rate *srate =
5164 &sband->bitrates[ridx];
5165 if (rate == srate->bitrate) {
5170 if (ridx == sband->n_bitrates)
5171 return 0; /* rate not found */
5177 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
5178 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
5179 .len = NL80211_MAX_SUPP_RATES },
5182 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
5183 struct genl_info *info)
5185 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
5186 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5187 struct cfg80211_bitrate_mask mask;
5189 struct net_device *dev = info->user_ptr[1];
5190 struct nlattr *tx_rates;
5191 struct ieee80211_supported_band *sband;
5193 if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
5196 if (!rdev->ops->set_bitrate_mask)
5199 memset(&mask, 0, sizeof(mask));
5200 /* Default to all rates enabled */
5201 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
5202 sband = rdev->wiphy.bands[i];
5203 mask.control[i].legacy =
5204 sband ? (1 << sband->n_bitrates) - 1 : 0;
5208 * The nested attribute uses enum nl80211_band as the index. This maps
5209 * directly to the enum ieee80211_band values used in cfg80211.
5211 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
5213 enum ieee80211_band band = nla_type(tx_rates);
5214 if (band < 0 || band >= IEEE80211_NUM_BANDS)
5216 sband = rdev->wiphy.bands[band];
5219 nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
5220 nla_len(tx_rates), nl80211_txattr_policy);
5221 if (tb[NL80211_TXRATE_LEGACY]) {
5222 mask.control[band].legacy = rateset_to_mask(
5224 nla_data(tb[NL80211_TXRATE_LEGACY]),
5225 nla_len(tb[NL80211_TXRATE_LEGACY]));
5226 if (mask.control[band].legacy == 0)
5231 return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask);
5234 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
5236 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5237 struct net_device *dev = info->user_ptr[1];
5238 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
5240 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
5243 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
5244 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
5246 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5247 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
5248 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
5249 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5250 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5251 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5252 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5255 /* not much point in registering if we can't reply */
5256 if (!rdev->ops->mgmt_tx)
5259 return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid,
5261 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
5262 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
5265 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
5267 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5268 struct net_device *dev = info->user_ptr[1];
5269 struct ieee80211_channel *chan;
5270 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
5271 bool channel_type_valid = false;
5276 struct sk_buff *msg;
5277 unsigned int wait = 0;
5281 if (!info->attrs[NL80211_ATTR_FRAME] ||
5282 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
5285 if (!rdev->ops->mgmt_tx)
5288 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5289 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
5290 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
5291 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5292 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5293 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5294 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5297 if (info->attrs[NL80211_ATTR_DURATION]) {
5298 if (!rdev->ops->mgmt_tx_cancel_wait)
5300 wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
5303 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
5304 channel_type = nla_get_u32(
5305 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
5306 if (channel_type != NL80211_CHAN_NO_HT &&
5307 channel_type != NL80211_CHAN_HT20 &&
5308 channel_type != NL80211_CHAN_HT40PLUS &&
5309 channel_type != NL80211_CHAN_HT40MINUS)
5311 channel_type_valid = true;
5314 offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
5316 no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
5318 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
5319 chan = rdev_freq_to_chan(rdev, freq, channel_type);
5323 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5327 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
5334 err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type,
5335 channel_type_valid, wait,
5336 nla_data(info->attrs[NL80211_ATTR_FRAME]),
5337 nla_len(info->attrs[NL80211_ATTR_FRAME]),
5342 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
5344 genlmsg_end(msg, hdr);
5345 return genlmsg_reply(msg, info);
5354 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
5356 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5357 struct net_device *dev = info->user_ptr[1];
5360 if (!info->attrs[NL80211_ATTR_COOKIE])
5363 if (!rdev->ops->mgmt_tx_cancel_wait)
5366 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
5367 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
5368 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
5369 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5370 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5371 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5374 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
5376 return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie);
5379 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
5381 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5382 struct wireless_dev *wdev;
5383 struct net_device *dev = info->user_ptr[1];
5388 if (!info->attrs[NL80211_ATTR_PS_STATE])
5391 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
5393 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
5396 wdev = dev->ieee80211_ptr;
5398 if (!rdev->ops->set_power_mgmt)
5401 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
5403 if (state == wdev->ps)
5406 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state,
5413 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
5415 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5416 enum nl80211_ps_state ps_state;
5417 struct wireless_dev *wdev;
5418 struct net_device *dev = info->user_ptr[1];
5419 struct sk_buff *msg;
5423 wdev = dev->ieee80211_ptr;
5425 if (!rdev->ops->set_power_mgmt)
5428 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5432 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
5433 NL80211_CMD_GET_POWER_SAVE);
5440 ps_state = NL80211_PS_ENABLED;
5442 ps_state = NL80211_PS_DISABLED;
5444 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state);
5446 genlmsg_end(msg, hdr);
5447 return genlmsg_reply(msg, info);
5456 static struct nla_policy
5457 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
5458 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
5459 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
5460 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
5463 static int nl80211_set_cqm_rssi(struct genl_info *info,
5464 s32 threshold, u32 hysteresis)
5466 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5467 struct wireless_dev *wdev;
5468 struct net_device *dev = info->user_ptr[1];
5473 wdev = dev->ieee80211_ptr;
5475 if (!rdev->ops->set_cqm_rssi_config)
5478 if (wdev->iftype != NL80211_IFTYPE_STATION &&
5479 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
5482 return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev,
5483 threshold, hysteresis);
5486 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
5488 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
5492 cqm = info->attrs[NL80211_ATTR_CQM];
5498 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
5499 nl80211_attr_cqm_policy);
5503 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
5504 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
5507 threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
5508 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
5509 err = nl80211_set_cqm_rssi(info, threshold, hysteresis);
5517 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
5519 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5520 struct net_device *dev = info->user_ptr[1];
5521 struct mesh_config cfg;
5522 struct mesh_setup setup;
5525 /* start with default */
5526 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
5527 memcpy(&setup, &default_mesh_setup, sizeof(setup));
5529 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
5530 /* and parse parameters if given */
5531 err = nl80211_parse_mesh_config(info, &cfg, NULL);
5536 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
5537 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
5540 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
5541 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
5543 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
5544 /* parse additional setup parameters if given */
5545 err = nl80211_parse_mesh_setup(info, &setup);
5550 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
5553 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
5555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5556 struct net_device *dev = info->user_ptr[1];
5558 return cfg80211_leave_mesh(rdev, dev);
5561 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
5563 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5564 struct sk_buff *msg;
5567 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
5570 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5574 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
5575 NL80211_CMD_GET_WOWLAN);
5577 goto nla_put_failure;
5580 struct nlattr *nl_wowlan;
5582 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
5584 goto nla_put_failure;
5586 if (rdev->wowlan->any)
5587 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
5588 if (rdev->wowlan->disconnect)
5589 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
5590 if (rdev->wowlan->magic_pkt)
5591 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
5592 if (rdev->wowlan->gtk_rekey_failure)
5593 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
5594 if (rdev->wowlan->eap_identity_req)
5595 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
5596 if (rdev->wowlan->four_way_handshake)
5597 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
5598 if (rdev->wowlan->rfkill_release)
5599 NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
5600 if (rdev->wowlan->n_patterns) {
5601 struct nlattr *nl_pats, *nl_pat;
5604 nl_pats = nla_nest_start(msg,
5605 NL80211_WOWLAN_TRIG_PKT_PATTERN);
5607 goto nla_put_failure;
5609 for (i = 0; i < rdev->wowlan->n_patterns; i++) {
5610 nl_pat = nla_nest_start(msg, i + 1);
5612 goto nla_put_failure;
5613 pat_len = rdev->wowlan->patterns[i].pattern_len;
5614 NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK,
5615 DIV_ROUND_UP(pat_len, 8),
5616 rdev->wowlan->patterns[i].mask);
5617 NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
5619 rdev->wowlan->patterns[i].pattern);
5620 nla_nest_end(msg, nl_pat);
5622 nla_nest_end(msg, nl_pats);
5625 nla_nest_end(msg, nl_wowlan);
5628 genlmsg_end(msg, hdr);
5629 return genlmsg_reply(msg, info);
5636 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
5638 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5639 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
5640 struct cfg80211_wowlan no_triggers = {};
5641 struct cfg80211_wowlan new_triggers = {};
5642 struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
5645 if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
5648 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS])
5651 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
5652 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
5653 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
5654 nl80211_wowlan_policy);
5658 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
5659 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
5661 new_triggers.any = true;
5664 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
5665 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
5667 new_triggers.disconnect = true;
5670 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
5671 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
5673 new_triggers.magic_pkt = true;
5676 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
5679 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
5680 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
5682 new_triggers.gtk_rekey_failure = true;
5685 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
5686 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
5688 new_triggers.eap_identity_req = true;
5691 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
5692 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
5694 new_triggers.four_way_handshake = true;
5697 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
5698 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
5700 new_triggers.rfkill_release = true;
5703 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
5706 int rem, pat_len, mask_len;
5707 struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
5709 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
5712 if (n_patterns > wowlan->n_patterns)
5715 new_triggers.patterns = kcalloc(n_patterns,
5716 sizeof(new_triggers.patterns[0]),
5718 if (!new_triggers.patterns)
5721 new_triggers.n_patterns = n_patterns;
5724 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
5726 nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT,
5727 nla_data(pat), nla_len(pat), NULL);
5729 if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] ||
5730 !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN])
5732 pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]);
5733 mask_len = DIV_ROUND_UP(pat_len, 8);
5734 if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) !=
5737 if (pat_len > wowlan->pattern_max_len ||
5738 pat_len < wowlan->pattern_min_len)
5741 new_triggers.patterns[i].mask =
5742 kmalloc(mask_len + pat_len, GFP_KERNEL);
5743 if (!new_triggers.patterns[i].mask) {
5747 new_triggers.patterns[i].pattern =
5748 new_triggers.patterns[i].mask + mask_len;
5749 memcpy(new_triggers.patterns[i].mask,
5750 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]),
5752 new_triggers.patterns[i].pattern_len = pat_len;
5753 memcpy(new_triggers.patterns[i].pattern,
5754 nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]),
5760 if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) {
5761 struct cfg80211_wowlan *ntrig;
5762 ntrig = kmemdup(&new_triggers, sizeof(new_triggers),
5768 cfg80211_rdev_free_wowlan(rdev);
5769 rdev->wowlan = ntrig;
5772 cfg80211_rdev_free_wowlan(rdev);
5773 rdev->wowlan = NULL;
5778 for (i = 0; i < new_triggers.n_patterns; i++)
5779 kfree(new_triggers.patterns[i].mask);
5780 kfree(new_triggers.patterns);
5784 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
5786 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5787 struct net_device *dev = info->user_ptr[1];
5788 struct wireless_dev *wdev = dev->ieee80211_ptr;
5789 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
5790 struct cfg80211_gtk_rekey_data rekey_data;
5793 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
5796 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
5797 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
5798 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
5799 nl80211_rekey_policy);
5803 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
5805 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
5807 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
5810 memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
5812 memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
5814 memcpy(rekey_data.replay_ctr,
5815 nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
5816 NL80211_REPLAY_CTR_LEN);
5819 if (!wdev->current_bss) {
5824 if (!rdev->ops->set_rekey_data) {
5829 err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data);
5835 #define NL80211_FLAG_NEED_WIPHY 0x01
5836 #define NL80211_FLAG_NEED_NETDEV 0x02
5837 #define NL80211_FLAG_NEED_RTNL 0x04
5838 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
5839 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
5840 NL80211_FLAG_CHECK_NETDEV_UP)
5842 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
5843 struct genl_info *info)
5845 struct cfg80211_registered_device *rdev;
5846 struct net_device *dev;
5848 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
5853 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
5854 rdev = cfg80211_get_dev_from_info(info);
5858 return PTR_ERR(rdev);
5860 info->user_ptr[0] = rdev;
5861 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
5862 err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
5868 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
5869 !netif_running(dev)) {
5870 cfg80211_unlock_rdev(rdev);
5876 info->user_ptr[0] = rdev;
5877 info->user_ptr[1] = dev;
5883 static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
5884 struct genl_info *info)
5886 if (info->user_ptr[0])
5887 cfg80211_unlock_rdev(info->user_ptr[0]);
5888 if (info->user_ptr[1])
5889 dev_put(info->user_ptr[1]);
5890 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
5894 static struct genl_ops nl80211_ops[] = {
5896 .cmd = NL80211_CMD_GET_WIPHY,
5897 .doit = nl80211_get_wiphy,
5898 .dumpit = nl80211_dump_wiphy,
5899 .policy = nl80211_policy,
5900 /* can be retrieved by unprivileged users */
5901 .internal_flags = NL80211_FLAG_NEED_WIPHY,
5904 .cmd = NL80211_CMD_SET_WIPHY,
5905 .doit = nl80211_set_wiphy,
5906 .policy = nl80211_policy,
5907 .flags = GENL_ADMIN_PERM,
5908 .internal_flags = NL80211_FLAG_NEED_RTNL,
5911 .cmd = NL80211_CMD_GET_INTERFACE,
5912 .doit = nl80211_get_interface,
5913 .dumpit = nl80211_dump_interface,
5914 .policy = nl80211_policy,
5915 /* can be retrieved by unprivileged users */
5916 .internal_flags = NL80211_FLAG_NEED_NETDEV,
5919 .cmd = NL80211_CMD_SET_INTERFACE,
5920 .doit = nl80211_set_interface,
5921 .policy = nl80211_policy,
5922 .flags = GENL_ADMIN_PERM,
5923 .internal_flags = NL80211_FLAG_NEED_NETDEV |
5924 NL80211_FLAG_NEED_RTNL,
5927 .cmd = NL80211_CMD_NEW_INTERFACE,
5928 .doit = nl80211_new_interface,
5929 .policy = nl80211_policy,
5930 .flags = GENL_ADMIN_PERM,
5931 .internal_flags = NL80211_FLAG_NEED_WIPHY |
5932 NL80211_FLAG_NEED_RTNL,
5935 .cmd = NL80211_CMD_DEL_INTERFACE,
5936 .doit = nl80211_del_interface,
5937 .policy = nl80211_policy,
5938 .flags = GENL_ADMIN_PERM,
5939 .internal_flags = NL80211_FLAG_NEED_NETDEV |
5940 NL80211_FLAG_NEED_RTNL,
5943 .cmd = NL80211_CMD_GET_KEY,
5944 .doit = nl80211_get_key,
5945 .policy = nl80211_policy,
5946 .flags = GENL_ADMIN_PERM,
5947 .internal_flags = NL80211_FLAG_NEED_NETDEV |
5948 NL80211_FLAG_NEED_RTNL,
5951 .cmd = NL80211_CMD_SET_KEY,
5952 .doit = nl80211_set_key,
5953 .policy = nl80211_policy,
5954 .flags = GENL_ADMIN_PERM,
5955 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5956 NL80211_FLAG_NEED_RTNL,
5959 .cmd = NL80211_CMD_NEW_KEY,
5960 .doit = nl80211_new_key,
5961 .policy = nl80211_policy,
5962 .flags = GENL_ADMIN_PERM,
5963 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5964 NL80211_FLAG_NEED_RTNL,
5967 .cmd = NL80211_CMD_DEL_KEY,
5968 .doit = nl80211_del_key,
5969 .policy = nl80211_policy,
5970 .flags = GENL_ADMIN_PERM,
5971 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5972 NL80211_FLAG_NEED_RTNL,
5975 .cmd = NL80211_CMD_SET_BEACON,
5976 .policy = nl80211_policy,
5977 .flags = GENL_ADMIN_PERM,
5978 .doit = nl80211_addset_beacon,
5979 .internal_flags = NL80211_FLAG_NEED_NETDEV |
5980 NL80211_FLAG_NEED_RTNL,
5983 .cmd = NL80211_CMD_NEW_BEACON,
5984 .policy = nl80211_policy,
5985 .flags = GENL_ADMIN_PERM,
5986 .doit = nl80211_addset_beacon,
5987 .internal_flags = NL80211_FLAG_NEED_NETDEV |
5988 NL80211_FLAG_NEED_RTNL,
5991 .cmd = NL80211_CMD_DEL_BEACON,
5992 .policy = nl80211_policy,
5993 .flags = GENL_ADMIN_PERM,
5994 .doit = nl80211_del_beacon,
5995 .internal_flags = NL80211_FLAG_NEED_NETDEV |
5996 NL80211_FLAG_NEED_RTNL,
5999 .cmd = NL80211_CMD_GET_STATION,
6000 .doit = nl80211_get_station,
6001 .dumpit = nl80211_dump_station,
6002 .policy = nl80211_policy,
6003 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6004 NL80211_FLAG_NEED_RTNL,
6007 .cmd = NL80211_CMD_SET_STATION,
6008 .doit = nl80211_set_station,
6009 .policy = nl80211_policy,
6010 .flags = GENL_ADMIN_PERM,
6011 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6012 NL80211_FLAG_NEED_RTNL,
6015 .cmd = NL80211_CMD_NEW_STATION,
6016 .doit = nl80211_new_station,
6017 .policy = nl80211_policy,
6018 .flags = GENL_ADMIN_PERM,
6019 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6020 NL80211_FLAG_NEED_RTNL,
6023 .cmd = NL80211_CMD_DEL_STATION,
6024 .doit = nl80211_del_station,
6025 .policy = nl80211_policy,
6026 .flags = GENL_ADMIN_PERM,
6027 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6028 NL80211_FLAG_NEED_RTNL,
6031 .cmd = NL80211_CMD_GET_MPATH,
6032 .doit = nl80211_get_mpath,
6033 .dumpit = nl80211_dump_mpath,
6034 .policy = nl80211_policy,
6035 .flags = GENL_ADMIN_PERM,
6036 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6037 NL80211_FLAG_NEED_RTNL,
6040 .cmd = NL80211_CMD_SET_MPATH,
6041 .doit = nl80211_set_mpath,
6042 .policy = nl80211_policy,
6043 .flags = GENL_ADMIN_PERM,
6044 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6045 NL80211_FLAG_NEED_RTNL,
6048 .cmd = NL80211_CMD_NEW_MPATH,
6049 .doit = nl80211_new_mpath,
6050 .policy = nl80211_policy,
6051 .flags = GENL_ADMIN_PERM,
6052 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6053 NL80211_FLAG_NEED_RTNL,
6056 .cmd = NL80211_CMD_DEL_MPATH,
6057 .doit = nl80211_del_mpath,
6058 .policy = nl80211_policy,
6059 .flags = GENL_ADMIN_PERM,
6060 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6061 NL80211_FLAG_NEED_RTNL,
6064 .cmd = NL80211_CMD_SET_BSS,
6065 .doit = nl80211_set_bss,
6066 .policy = nl80211_policy,
6067 .flags = GENL_ADMIN_PERM,
6068 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6069 NL80211_FLAG_NEED_RTNL,
6072 .cmd = NL80211_CMD_GET_REG,
6073 .doit = nl80211_get_reg,
6074 .policy = nl80211_policy,
6075 /* can be retrieved by unprivileged users */
6078 .cmd = NL80211_CMD_SET_REG,
6079 .doit = nl80211_set_reg,
6080 .policy = nl80211_policy,
6081 .flags = GENL_ADMIN_PERM,
6084 .cmd = NL80211_CMD_REQ_SET_REG,
6085 .doit = nl80211_req_set_reg,
6086 .policy = nl80211_policy,
6087 .flags = GENL_ADMIN_PERM,
6090 .cmd = NL80211_CMD_GET_MESH_CONFIG,
6091 .doit = nl80211_get_mesh_config,
6092 .policy = nl80211_policy,
6093 /* can be retrieved by unprivileged users */
6094 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6095 NL80211_FLAG_NEED_RTNL,
6098 .cmd = NL80211_CMD_SET_MESH_CONFIG,
6099 .doit = nl80211_update_mesh_config,
6100 .policy = nl80211_policy,
6101 .flags = GENL_ADMIN_PERM,
6102 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6103 NL80211_FLAG_NEED_RTNL,
6106 .cmd = NL80211_CMD_TRIGGER_SCAN,
6107 .doit = nl80211_trigger_scan,
6108 .policy = nl80211_policy,
6109 .flags = GENL_ADMIN_PERM,
6110 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6111 NL80211_FLAG_NEED_RTNL,
6114 .cmd = NL80211_CMD_GET_SCAN,
6115 .policy = nl80211_policy,
6116 .dumpit = nl80211_dump_scan,
6119 .cmd = NL80211_CMD_START_SCHED_SCAN,
6120 .doit = nl80211_start_sched_scan,
6121 .policy = nl80211_policy,
6122 .flags = GENL_ADMIN_PERM,
6123 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6124 NL80211_FLAG_NEED_RTNL,
6127 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
6128 .doit = nl80211_stop_sched_scan,
6129 .policy = nl80211_policy,
6130 .flags = GENL_ADMIN_PERM,
6131 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6132 NL80211_FLAG_NEED_RTNL,
6135 .cmd = NL80211_CMD_AUTHENTICATE,
6136 .doit = nl80211_authenticate,
6137 .policy = nl80211_policy,
6138 .flags = GENL_ADMIN_PERM,
6139 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6140 NL80211_FLAG_NEED_RTNL,
6143 .cmd = NL80211_CMD_ASSOCIATE,
6144 .doit = nl80211_associate,
6145 .policy = nl80211_policy,
6146 .flags = GENL_ADMIN_PERM,
6147 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6148 NL80211_FLAG_NEED_RTNL,
6151 .cmd = NL80211_CMD_DEAUTHENTICATE,
6152 .doit = nl80211_deauthenticate,
6153 .policy = nl80211_policy,
6154 .flags = GENL_ADMIN_PERM,
6155 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6156 NL80211_FLAG_NEED_RTNL,
6159 .cmd = NL80211_CMD_DISASSOCIATE,
6160 .doit = nl80211_disassociate,
6161 .policy = nl80211_policy,
6162 .flags = GENL_ADMIN_PERM,
6163 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6164 NL80211_FLAG_NEED_RTNL,
6167 .cmd = NL80211_CMD_JOIN_IBSS,
6168 .doit = nl80211_join_ibss,
6169 .policy = nl80211_policy,
6170 .flags = GENL_ADMIN_PERM,
6171 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6172 NL80211_FLAG_NEED_RTNL,
6175 .cmd = NL80211_CMD_LEAVE_IBSS,
6176 .doit = nl80211_leave_ibss,
6177 .policy = nl80211_policy,
6178 .flags = GENL_ADMIN_PERM,
6179 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6180 NL80211_FLAG_NEED_RTNL,
6182 #ifdef CONFIG_NL80211_TESTMODE
6184 .cmd = NL80211_CMD_TESTMODE,
6185 .doit = nl80211_testmode_do,
6186 .dumpit = nl80211_testmode_dump,
6187 .policy = nl80211_policy,
6188 .flags = GENL_ADMIN_PERM,
6189 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6190 NL80211_FLAG_NEED_RTNL,
6194 .cmd = NL80211_CMD_CONNECT,
6195 .doit = nl80211_connect,
6196 .policy = nl80211_policy,
6197 .flags = GENL_ADMIN_PERM,
6198 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6199 NL80211_FLAG_NEED_RTNL,
6202 .cmd = NL80211_CMD_DISCONNECT,
6203 .doit = nl80211_disconnect,
6204 .policy = nl80211_policy,
6205 .flags = GENL_ADMIN_PERM,
6206 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6207 NL80211_FLAG_NEED_RTNL,
6210 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
6211 .doit = nl80211_wiphy_netns,
6212 .policy = nl80211_policy,
6213 .flags = GENL_ADMIN_PERM,
6214 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6215 NL80211_FLAG_NEED_RTNL,
6218 .cmd = NL80211_CMD_GET_SURVEY,
6219 .policy = nl80211_policy,
6220 .dumpit = nl80211_dump_survey,
6223 .cmd = NL80211_CMD_SET_PMKSA,
6224 .doit = nl80211_setdel_pmksa,
6225 .policy = nl80211_policy,
6226 .flags = GENL_ADMIN_PERM,
6227 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6228 NL80211_FLAG_NEED_RTNL,
6231 .cmd = NL80211_CMD_DEL_PMKSA,
6232 .doit = nl80211_setdel_pmksa,
6233 .policy = nl80211_policy,
6234 .flags = GENL_ADMIN_PERM,
6235 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6236 NL80211_FLAG_NEED_RTNL,
6239 .cmd = NL80211_CMD_FLUSH_PMKSA,
6240 .doit = nl80211_flush_pmksa,
6241 .policy = nl80211_policy,
6242 .flags = GENL_ADMIN_PERM,
6243 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6244 NL80211_FLAG_NEED_RTNL,
6247 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
6248 .doit = nl80211_remain_on_channel,
6249 .policy = nl80211_policy,
6250 .flags = GENL_ADMIN_PERM,
6251 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6252 NL80211_FLAG_NEED_RTNL,
6255 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
6256 .doit = nl80211_cancel_remain_on_channel,
6257 .policy = nl80211_policy,
6258 .flags = GENL_ADMIN_PERM,
6259 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6260 NL80211_FLAG_NEED_RTNL,
6263 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
6264 .doit = nl80211_set_tx_bitrate_mask,
6265 .policy = nl80211_policy,
6266 .flags = GENL_ADMIN_PERM,
6267 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6268 NL80211_FLAG_NEED_RTNL,
6271 .cmd = NL80211_CMD_REGISTER_FRAME,
6272 .doit = nl80211_register_mgmt,
6273 .policy = nl80211_policy,
6274 .flags = GENL_ADMIN_PERM,
6275 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6276 NL80211_FLAG_NEED_RTNL,
6279 .cmd = NL80211_CMD_FRAME,
6280 .doit = nl80211_tx_mgmt,
6281 .policy = nl80211_policy,
6282 .flags = GENL_ADMIN_PERM,
6283 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6284 NL80211_FLAG_NEED_RTNL,
6287 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
6288 .doit = nl80211_tx_mgmt_cancel_wait,
6289 .policy = nl80211_policy,
6290 .flags = GENL_ADMIN_PERM,
6291 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6292 NL80211_FLAG_NEED_RTNL,
6295 .cmd = NL80211_CMD_SET_POWER_SAVE,
6296 .doit = nl80211_set_power_save,
6297 .policy = nl80211_policy,
6298 .flags = GENL_ADMIN_PERM,
6299 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6300 NL80211_FLAG_NEED_RTNL,
6303 .cmd = NL80211_CMD_GET_POWER_SAVE,
6304 .doit = nl80211_get_power_save,
6305 .policy = nl80211_policy,
6306 /* can be retrieved by unprivileged users */
6307 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6308 NL80211_FLAG_NEED_RTNL,
6311 .cmd = NL80211_CMD_SET_CQM,
6312 .doit = nl80211_set_cqm,
6313 .policy = nl80211_policy,
6314 .flags = GENL_ADMIN_PERM,
6315 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6316 NL80211_FLAG_NEED_RTNL,
6319 .cmd = NL80211_CMD_SET_CHANNEL,
6320 .doit = nl80211_set_channel,
6321 .policy = nl80211_policy,
6322 .flags = GENL_ADMIN_PERM,
6323 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6324 NL80211_FLAG_NEED_RTNL,
6327 .cmd = NL80211_CMD_SET_WDS_PEER,
6328 .doit = nl80211_set_wds_peer,
6329 .policy = nl80211_policy,
6330 .flags = GENL_ADMIN_PERM,
6331 .internal_flags = NL80211_FLAG_NEED_NETDEV |
6332 NL80211_FLAG_NEED_RTNL,
6335 .cmd = NL80211_CMD_JOIN_MESH,
6336 .doit = nl80211_join_mesh,
6337 .policy = nl80211_policy,
6338 .flags = GENL_ADMIN_PERM,
6339 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6340 NL80211_FLAG_NEED_RTNL,
6343 .cmd = NL80211_CMD_LEAVE_MESH,
6344 .doit = nl80211_leave_mesh,
6345 .policy = nl80211_policy,
6346 .flags = GENL_ADMIN_PERM,
6347 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6348 NL80211_FLAG_NEED_RTNL,
6351 .cmd = NL80211_CMD_GET_WOWLAN,
6352 .doit = nl80211_get_wowlan,
6353 .policy = nl80211_policy,
6354 /* can be retrieved by unprivileged users */
6355 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6356 NL80211_FLAG_NEED_RTNL,
6359 .cmd = NL80211_CMD_SET_WOWLAN,
6360 .doit = nl80211_set_wowlan,
6361 .policy = nl80211_policy,
6362 .flags = GENL_ADMIN_PERM,
6363 .internal_flags = NL80211_FLAG_NEED_WIPHY |
6364 NL80211_FLAG_NEED_RTNL,
6367 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
6368 .doit = nl80211_set_rekey_data,
6369 .policy = nl80211_policy,
6370 .flags = GENL_ADMIN_PERM,
6371 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6372 NL80211_FLAG_NEED_RTNL,
6375 .cmd = NL80211_CMD_TDLS_MGMT,
6376 .doit = nl80211_tdls_mgmt,
6377 .policy = nl80211_policy,
6378 .flags = GENL_ADMIN_PERM,
6379 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6380 NL80211_FLAG_NEED_RTNL,
6383 .cmd = NL80211_CMD_TDLS_OPER,
6384 .doit = nl80211_tdls_oper,
6385 .policy = nl80211_policy,
6386 .flags = GENL_ADMIN_PERM,
6387 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
6388 NL80211_FLAG_NEED_RTNL,
6392 static struct genl_multicast_group nl80211_mlme_mcgrp = {
6396 /* multicast groups */
6397 static struct genl_multicast_group nl80211_config_mcgrp = {
6400 static struct genl_multicast_group nl80211_scan_mcgrp = {
6403 static struct genl_multicast_group nl80211_regulatory_mcgrp = {
6404 .name = "regulatory",
6407 /* notification functions */
6409 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
6411 struct sk_buff *msg;
6413 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6417 if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) {
6422 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6423 nl80211_config_mcgrp.id, GFP_KERNEL);
6426 static int nl80211_add_scan_req(struct sk_buff *msg,
6427 struct cfg80211_registered_device *rdev)
6429 struct cfg80211_scan_request *req = rdev->scan_req;
6430 struct nlattr *nest;
6433 ASSERT_RDEV_LOCK(rdev);
6438 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
6440 goto nla_put_failure;
6441 for (i = 0; i < req->n_ssids; i++)
6442 NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid);
6443 nla_nest_end(msg, nest);
6445 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
6447 goto nla_put_failure;
6448 for (i = 0; i < req->n_channels; i++)
6449 NLA_PUT_U32(msg, i, req->channels[i]->center_freq);
6450 nla_nest_end(msg, nest);
6453 NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie);
6460 static int nl80211_send_scan_msg(struct sk_buff *msg,
6461 struct cfg80211_registered_device *rdev,
6462 struct net_device *netdev,
6463 u32 pid, u32 seq, int flags,
6468 hdr = nl80211hdr_put(msg, pid, seq, flags, cmd);
6472 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6473 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6475 /* ignore errors and send incomplete event anyway */
6476 nl80211_add_scan_req(msg, rdev);
6478 return genlmsg_end(msg, hdr);
6481 genlmsg_cancel(msg, hdr);
6486 nl80211_send_sched_scan_msg(struct sk_buff *msg,
6487 struct cfg80211_registered_device *rdev,
6488 struct net_device *netdev,
6489 u32 pid, u32 seq, int flags, u32 cmd)
6493 hdr = nl80211hdr_put(msg, pid, seq, flags, cmd);
6497 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6498 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6500 return genlmsg_end(msg, hdr);
6503 genlmsg_cancel(msg, hdr);
6507 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
6508 struct net_device *netdev)
6510 struct sk_buff *msg;
6512 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
6516 if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
6517 NL80211_CMD_TRIGGER_SCAN) < 0) {
6522 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6523 nl80211_scan_mcgrp.id, GFP_KERNEL);
6526 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
6527 struct net_device *netdev)
6529 struct sk_buff *msg;
6531 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6535 if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
6536 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
6541 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6542 nl80211_scan_mcgrp.id, GFP_KERNEL);
6545 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
6546 struct net_device *netdev)
6548 struct sk_buff *msg;
6550 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6554 if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
6555 NL80211_CMD_SCAN_ABORTED) < 0) {
6560 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6561 nl80211_scan_mcgrp.id, GFP_KERNEL);
6564 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
6565 struct net_device *netdev)
6567 struct sk_buff *msg;
6569 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6573 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
6574 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
6579 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6580 nl80211_scan_mcgrp.id, GFP_KERNEL);
6583 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
6584 struct net_device *netdev, u32 cmd)
6586 struct sk_buff *msg;
6588 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
6592 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
6597 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6598 nl80211_scan_mcgrp.id, GFP_KERNEL);
6602 * This can happen on global regulatory changes or device specific settings
6603 * based on custom world regulatory domains.
6605 void nl80211_send_reg_change_event(struct regulatory_request *request)
6607 struct sk_buff *msg;
6610 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6614 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
6620 /* Userspace can always count this one always being set */
6621 NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator);
6623 if (request->alpha2[0] == '0' && request->alpha2[1] == '0')
6624 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
6625 NL80211_REGDOM_TYPE_WORLD);
6626 else if (request->alpha2[0] == '9' && request->alpha2[1] == '9')
6627 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
6628 NL80211_REGDOM_TYPE_CUSTOM_WORLD);
6629 else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
6631 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
6632 NL80211_REGDOM_TYPE_INTERSECTION);
6634 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
6635 NL80211_REGDOM_TYPE_COUNTRY);
6636 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2);
6639 if (wiphy_idx_valid(request->wiphy_idx))
6640 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx);
6642 if (genlmsg_end(msg, hdr) < 0) {
6648 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
6655 genlmsg_cancel(msg, hdr);
6659 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
6660 struct net_device *netdev,
6661 const u8 *buf, size_t len,
6662 enum nl80211_commands cmd, gfp_t gfp)
6664 struct sk_buff *msg;
6667 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
6671 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
6677 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6678 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6679 NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
6681 if (genlmsg_end(msg, hdr) < 0) {
6686 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6687 nl80211_mlme_mcgrp.id, gfp);
6691 genlmsg_cancel(msg, hdr);
6695 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
6696 struct net_device *netdev, const u8 *buf,
6697 size_t len, gfp_t gfp)
6699 nl80211_send_mlme_event(rdev, netdev, buf, len,
6700 NL80211_CMD_AUTHENTICATE, gfp);
6703 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
6704 struct net_device *netdev, const u8 *buf,
6705 size_t len, gfp_t gfp)
6707 nl80211_send_mlme_event(rdev, netdev, buf, len,
6708 NL80211_CMD_ASSOCIATE, gfp);
6711 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
6712 struct net_device *netdev, const u8 *buf,
6713 size_t len, gfp_t gfp)
6715 nl80211_send_mlme_event(rdev, netdev, buf, len,
6716 NL80211_CMD_DEAUTHENTICATE, gfp);
6719 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
6720 struct net_device *netdev, const u8 *buf,
6721 size_t len, gfp_t gfp)
6723 nl80211_send_mlme_event(rdev, netdev, buf, len,
6724 NL80211_CMD_DISASSOCIATE, gfp);
6727 void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev,
6728 struct net_device *netdev, const u8 *buf,
6729 size_t len, gfp_t gfp)
6731 nl80211_send_mlme_event(rdev, netdev, buf, len,
6732 NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp);
6735 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev,
6736 struct net_device *netdev, const u8 *buf,
6737 size_t len, gfp_t gfp)
6739 nl80211_send_mlme_event(rdev, netdev, buf, len,
6740 NL80211_CMD_UNPROT_DISASSOCIATE, gfp);
6743 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
6744 struct net_device *netdev, int cmd,
6745 const u8 *addr, gfp_t gfp)
6747 struct sk_buff *msg;
6750 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
6754 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
6760 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6761 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6762 NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT);
6763 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
6765 if (genlmsg_end(msg, hdr) < 0) {
6770 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6771 nl80211_mlme_mcgrp.id, gfp);
6775 genlmsg_cancel(msg, hdr);
6779 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
6780 struct net_device *netdev, const u8 *addr,
6783 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
6787 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
6788 struct net_device *netdev, const u8 *addr,
6791 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
6795 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
6796 struct net_device *netdev, const u8 *bssid,
6797 const u8 *req_ie, size_t req_ie_len,
6798 const u8 *resp_ie, size_t resp_ie_len,
6799 u16 status, gfp_t gfp)
6801 struct sk_buff *msg;
6804 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
6808 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
6814 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6815 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6817 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
6818 NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status);
6820 NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
6822 NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
6824 if (genlmsg_end(msg, hdr) < 0) {
6829 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6830 nl80211_mlme_mcgrp.id, gfp);
6834 genlmsg_cancel(msg, hdr);
6839 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
6840 struct net_device *netdev, const u8 *bssid,
6841 const u8 *req_ie, size_t req_ie_len,
6842 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
6844 struct sk_buff *msg;
6847 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
6851 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
6857 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6858 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6859 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
6861 NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
6863 NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
6865 if (genlmsg_end(msg, hdr) < 0) {
6870 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6871 nl80211_mlme_mcgrp.id, gfp);
6875 genlmsg_cancel(msg, hdr);
6880 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
6881 struct net_device *netdev, u16 reason,
6882 const u8 *ie, size_t ie_len, bool from_ap)
6884 struct sk_buff *msg;
6887 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
6891 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
6897 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6898 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6899 if (from_ap && reason)
6900 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason);
6902 NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP);
6904 NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie);
6906 if (genlmsg_end(msg, hdr) < 0) {
6911 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6912 nl80211_mlme_mcgrp.id, GFP_KERNEL);
6916 genlmsg_cancel(msg, hdr);
6921 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
6922 struct net_device *netdev, const u8 *bssid,
6925 struct sk_buff *msg;
6928 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
6932 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
6938 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6939 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6940 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
6942 if (genlmsg_end(msg, hdr) < 0) {
6947 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6948 nl80211_mlme_mcgrp.id, gfp);
6952 genlmsg_cancel(msg, hdr);
6956 void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev,
6957 struct net_device *netdev,
6958 const u8 *macaddr, const u8* ie, u8 ie_len,
6961 struct sk_buff *msg;
6964 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
6968 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
6974 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
6975 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
6976 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr);
6978 NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie);
6980 if (genlmsg_end(msg, hdr) < 0) {
6985 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
6986 nl80211_mlme_mcgrp.id, gfp);
6990 genlmsg_cancel(msg, hdr);
6994 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
6995 struct net_device *netdev, const u8 *addr,
6996 enum nl80211_key_type key_type, int key_id,
6997 const u8 *tsc, gfp_t gfp)
6999 struct sk_buff *msg;
7002 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7006 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
7012 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7013 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7015 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7016 NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type);
7018 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
7020 NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc);
7022 if (genlmsg_end(msg, hdr) < 0) {
7027 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7028 nl80211_mlme_mcgrp.id, gfp);
7032 genlmsg_cancel(msg, hdr);
7036 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
7037 struct ieee80211_channel *channel_before,
7038 struct ieee80211_channel *channel_after)
7040 struct sk_buff *msg;
7042 struct nlattr *nl_freq;
7044 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
7048 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
7055 * Since we are applying the beacon hint to a wiphy we know its
7056 * wiphy_idx is valid
7058 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy));
7061 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
7063 goto nla_put_failure;
7064 if (nl80211_msg_put_channel(msg, channel_before))
7065 goto nla_put_failure;
7066 nla_nest_end(msg, nl_freq);
7069 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
7071 goto nla_put_failure;
7072 if (nl80211_msg_put_channel(msg, channel_after))
7073 goto nla_put_failure;
7074 nla_nest_end(msg, nl_freq);
7076 if (genlmsg_end(msg, hdr) < 0) {
7082 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
7089 genlmsg_cancel(msg, hdr);
7093 static void nl80211_send_remain_on_chan_event(
7094 int cmd, struct cfg80211_registered_device *rdev,
7095 struct net_device *netdev, u64 cookie,
7096 struct ieee80211_channel *chan,
7097 enum nl80211_channel_type channel_type,
7098 unsigned int duration, gfp_t gfp)
7100 struct sk_buff *msg;
7103 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7107 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
7113 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7114 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7115 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq);
7116 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type);
7117 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
7119 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL)
7120 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
7122 if (genlmsg_end(msg, hdr) < 0) {
7127 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7128 nl80211_mlme_mcgrp.id, gfp);
7132 genlmsg_cancel(msg, hdr);
7136 void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
7137 struct net_device *netdev, u64 cookie,
7138 struct ieee80211_channel *chan,
7139 enum nl80211_channel_type channel_type,
7140 unsigned int duration, gfp_t gfp)
7142 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
7143 rdev, netdev, cookie, chan,
7144 channel_type, duration, gfp);
7147 void nl80211_send_remain_on_channel_cancel(
7148 struct cfg80211_registered_device *rdev, struct net_device *netdev,
7149 u64 cookie, struct ieee80211_channel *chan,
7150 enum nl80211_channel_type channel_type, gfp_t gfp)
7152 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
7153 rdev, netdev, cookie, chan,
7154 channel_type, 0, gfp);
7157 void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
7158 struct net_device *dev, const u8 *mac_addr,
7159 struct station_info *sinfo, gfp_t gfp)
7161 struct sk_buff *msg;
7163 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7167 if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) {
7172 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7173 nl80211_mlme_mcgrp.id, gfp);
7176 void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
7177 struct net_device *dev, const u8 *mac_addr,
7180 struct sk_buff *msg;
7183 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7187 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
7193 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
7194 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
7196 if (genlmsg_end(msg, hdr) < 0) {
7201 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7202 nl80211_mlme_mcgrp.id, gfp);
7206 genlmsg_cancel(msg, hdr);
7210 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
7211 struct net_device *netdev, u32 nlpid,
7212 int freq, const u8 *buf, size_t len, gfp_t gfp)
7214 struct sk_buff *msg;
7218 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7222 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
7228 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7229 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7230 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
7231 NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
7233 err = genlmsg_end(msg, hdr);
7239 err = genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid);
7245 genlmsg_cancel(msg, hdr);
7250 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
7251 struct net_device *netdev, u64 cookie,
7252 const u8 *buf, size_t len, bool ack,
7255 struct sk_buff *msg;
7258 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7262 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
7268 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7269 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7270 NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
7271 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
7273 NLA_PUT_FLAG(msg, NL80211_ATTR_ACK);
7275 if (genlmsg_end(msg, hdr) < 0) {
7280 genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
7284 genlmsg_cancel(msg, hdr);
7289 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
7290 struct net_device *netdev,
7291 enum nl80211_cqm_rssi_threshold_event rssi_event,
7294 struct sk_buff *msg;
7295 struct nlattr *pinfoattr;
7298 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7302 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
7308 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7309 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7311 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
7313 goto nla_put_failure;
7315 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
7318 nla_nest_end(msg, pinfoattr);
7320 if (genlmsg_end(msg, hdr) < 0) {
7325 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7326 nl80211_mlme_mcgrp.id, gfp);
7330 genlmsg_cancel(msg, hdr);
7334 void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
7335 struct net_device *netdev, const u8 *bssid,
7336 const u8 *replay_ctr, gfp_t gfp)
7338 struct sk_buff *msg;
7339 struct nlattr *rekey_attr;
7342 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7346 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
7352 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7353 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7354 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
7356 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
7358 goto nla_put_failure;
7360 NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR,
7361 NL80211_REPLAY_CTR_LEN, replay_ctr);
7363 nla_nest_end(msg, rekey_attr);
7365 if (genlmsg_end(msg, hdr) < 0) {
7370 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7371 nl80211_mlme_mcgrp.id, gfp);
7375 genlmsg_cancel(msg, hdr);
7379 void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
7380 struct net_device *netdev, int index,
7381 const u8 *bssid, bool preauth, gfp_t gfp)
7383 struct sk_buff *msg;
7384 struct nlattr *attr;
7387 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7391 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
7397 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7398 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7400 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
7402 goto nla_put_failure;
7404 NLA_PUT_U32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index);
7405 NLA_PUT(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid);
7407 NLA_PUT_FLAG(msg, NL80211_PMKSA_CANDIDATE_PREAUTH);
7409 nla_nest_end(msg, attr);
7411 if (genlmsg_end(msg, hdr) < 0) {
7416 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7417 nl80211_mlme_mcgrp.id, gfp);
7421 genlmsg_cancel(msg, hdr);
7426 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
7427 struct net_device *netdev, const u8 *peer,
7428 u32 num_packets, gfp_t gfp)
7430 struct sk_buff *msg;
7431 struct nlattr *pinfoattr;
7434 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
7438 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
7444 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
7445 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
7446 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
7448 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
7450 goto nla_put_failure;
7452 NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets);
7454 nla_nest_end(msg, pinfoattr);
7456 if (genlmsg_end(msg, hdr) < 0) {
7461 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
7462 nl80211_mlme_mcgrp.id, gfp);
7466 genlmsg_cancel(msg, hdr);
7470 static int nl80211_netlink_notify(struct notifier_block * nb,
7471 unsigned long state,
7474 struct netlink_notify *notify = _notify;
7475 struct cfg80211_registered_device *rdev;
7476 struct wireless_dev *wdev;
7478 if (state != NETLINK_URELEASE)
7483 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list)
7484 list_for_each_entry_rcu(wdev, &rdev->netdev_list, list)
7485 cfg80211_mlme_unregister_socket(wdev, notify->pid);
7492 static struct notifier_block nl80211_netlink_notifier = {
7493 .notifier_call = nl80211_netlink_notify,
7496 /* initialisation/exit functions */
7498 int nl80211_init(void)
7502 err = genl_register_family_with_ops(&nl80211_fam,
7503 nl80211_ops, ARRAY_SIZE(nl80211_ops));
7507 err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
7511 err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp);
7515 err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp);
7519 err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
7523 #ifdef CONFIG_NL80211_TESTMODE
7524 err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp);
7529 err = netlink_register_notifier(&nl80211_netlink_notifier);
7535 genl_unregister_family(&nl80211_fam);
7539 void nl80211_exit(void)
7541 netlink_unregister_notifier(&nl80211_netlink_notifier);
7542 genl_unregister_family(&nl80211_fam);