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Commit | Line | Data |
---|---|---|
55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
55682965 JB |
5 | */ |
6 | ||
7 | #include <linux/if.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/err.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
55682965 JB |
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> | |
2a519311 | 17 | #include <linux/etherdevice.h> |
463d0183 | 18 | #include <net/net_namespace.h> |
55682965 JB |
19 | #include <net/genetlink.h> |
20 | #include <net/cfg80211.h> | |
463d0183 | 21 | #include <net/sock.h> |
55682965 JB |
22 | #include "core.h" |
23 | #include "nl80211.h" | |
b2e1b302 | 24 | #include "reg.h" |
55682965 | 25 | |
4c476991 JB |
26 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, |
27 | struct genl_info *info); | |
28 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
29 | struct genl_info *info); | |
30 | ||
55682965 JB |
31 | /* the netlink family */ |
32 | static struct genl_family nl80211_fam = { | |
33 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ | |
34 | .name = "nl80211", /* have users key off the name instead */ | |
35 | .hdrsize = 0, /* no private header */ | |
36 | .version = 1, /* no particular meaning now */ | |
37 | .maxattr = NL80211_ATTR_MAX, | |
463d0183 | 38 | .netnsok = true, |
4c476991 JB |
39 | .pre_doit = nl80211_pre_doit, |
40 | .post_doit = nl80211_post_doit, | |
55682965 JB |
41 | }; |
42 | ||
79c97e97 | 43 | /* internal helper: get rdev and dev */ |
463d0183 | 44 | static int get_rdev_dev_by_info_ifindex(struct genl_info *info, |
79c97e97 | 45 | struct cfg80211_registered_device **rdev, |
55682965 JB |
46 | struct net_device **dev) |
47 | { | |
463d0183 | 48 | struct nlattr **attrs = info->attrs; |
55682965 JB |
49 | int ifindex; |
50 | ||
bba95fef | 51 | if (!attrs[NL80211_ATTR_IFINDEX]) |
55682965 JB |
52 | return -EINVAL; |
53 | ||
bba95fef | 54 | ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); |
463d0183 | 55 | *dev = dev_get_by_index(genl_info_net(info), ifindex); |
55682965 JB |
56 | if (!*dev) |
57 | return -ENODEV; | |
58 | ||
463d0183 | 59 | *rdev = cfg80211_get_dev_from_ifindex(genl_info_net(info), ifindex); |
79c97e97 | 60 | if (IS_ERR(*rdev)) { |
55682965 | 61 | dev_put(*dev); |
79c97e97 | 62 | return PTR_ERR(*rdev); |
55682965 JB |
63 | } |
64 | ||
65 | return 0; | |
66 | } | |
67 | ||
68 | /* policy for the attributes */ | |
b54452b0 | 69 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
70 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
71 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 72 | .len = 20-1 }, |
31888487 | 73 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
72bdcf34 | 74 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 75 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
b9a5f8ca JM |
76 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
77 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
78 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
79 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 80 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
81 | |
82 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
83 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
84 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f JB |
85 | |
86 | [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN }, | |
3e5d7649 | 87 | [NL80211_ATTR_PREV_BSSID] = { .type = NLA_BINARY, .len = ETH_ALEN }, |
41ade00f | 88 | |
b9454e83 | 89 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
90 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
91 | .len = WLAN_MAX_KEY_LEN }, | |
92 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
93 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
94 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
9f26a952 | 95 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 }, |
e31b8213 | 96 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
97 | |
98 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
99 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
100 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
101 | .len = IEEE80211_MAX_DATA_LEN }, | |
102 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
103 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
104 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
105 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
106 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
107 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
108 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 109 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 110 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 111 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 LCC |
112 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
113 | .len = IEEE80211_MAX_MESH_ID_LEN }, | |
114 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, | |
9f1ba906 | 115 | |
b2e1b302 LR |
116 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
117 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
118 | ||
9f1ba906 JM |
119 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
120 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
121 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
122 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
123 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 124 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 125 | |
24bdd9f4 | 126 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 127 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 128 | |
36aedc90 JM |
129 | [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY, |
130 | .len = NL80211_HT_CAPABILITY_LEN }, | |
9aed3cc1 JM |
131 | |
132 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
133 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
134 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
135 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
136 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
137 | |
138 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
139 | .len = IEEE80211_MAX_SSID_LEN }, | |
140 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
141 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 142 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 143 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 144 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
145 | [NL80211_ATTR_STA_FLAGS2] = { |
146 | .len = sizeof(struct nl80211_sta_flag_update), | |
147 | }, | |
3f77316c | 148 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
149 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
150 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
151 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
152 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
153 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 154 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 155 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
156 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
157 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
158 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
159 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 160 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
161 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
162 | .len = IEEE80211_MAX_DATA_LEN }, | |
163 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 164 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 165 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 166 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 167 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
168 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
169 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 170 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
171 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
172 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 173 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 174 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 175 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 176 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 177 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
55682965 JB |
178 | }; |
179 | ||
e31b8213 | 180 | /* policy for the key attributes */ |
b54452b0 | 181 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 182 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
183 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
184 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
185 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 }, | |
186 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
187 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 188 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
189 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
190 | }; | |
191 | ||
192 | /* policy for the key default flags */ | |
193 | static const struct nla_policy | |
194 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
195 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
196 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
197 | }; |
198 | ||
ff1b6e69 JB |
199 | /* policy for WoWLAN attributes */ |
200 | static const struct nla_policy | |
201 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
202 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
203 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
204 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
205 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
206 | }; | |
207 | ||
a043897a HS |
208 | /* ifidx get helper */ |
209 | static int nl80211_get_ifidx(struct netlink_callback *cb) | |
210 | { | |
211 | int res; | |
212 | ||
213 | res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
214 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
215 | nl80211_policy); | |
216 | if (res) | |
217 | return res; | |
218 | ||
219 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) | |
220 | return -EINVAL; | |
221 | ||
222 | res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); | |
223 | if (!res) | |
224 | return -EINVAL; | |
225 | return res; | |
226 | } | |
227 | ||
67748893 JB |
228 | static int nl80211_prepare_netdev_dump(struct sk_buff *skb, |
229 | struct netlink_callback *cb, | |
230 | struct cfg80211_registered_device **rdev, | |
231 | struct net_device **dev) | |
232 | { | |
233 | int ifidx = cb->args[0]; | |
234 | int err; | |
235 | ||
236 | if (!ifidx) | |
237 | ifidx = nl80211_get_ifidx(cb); | |
238 | if (ifidx < 0) | |
239 | return ifidx; | |
240 | ||
241 | cb->args[0] = ifidx; | |
242 | ||
243 | rtnl_lock(); | |
244 | ||
245 | *dev = __dev_get_by_index(sock_net(skb->sk), ifidx); | |
246 | if (!*dev) { | |
247 | err = -ENODEV; | |
248 | goto out_rtnl; | |
249 | } | |
250 | ||
251 | *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); | |
3cc25e51 FF |
252 | if (IS_ERR(*rdev)) { |
253 | err = PTR_ERR(*rdev); | |
67748893 JB |
254 | goto out_rtnl; |
255 | } | |
256 | ||
257 | return 0; | |
258 | out_rtnl: | |
259 | rtnl_unlock(); | |
260 | return err; | |
261 | } | |
262 | ||
263 | static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev) | |
264 | { | |
265 | cfg80211_unlock_rdev(rdev); | |
266 | rtnl_unlock(); | |
267 | } | |
268 | ||
f4a11bb0 JB |
269 | /* IE validation */ |
270 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
271 | { | |
272 | const u8 *pos; | |
273 | int len; | |
274 | ||
275 | if (!attr) | |
276 | return true; | |
277 | ||
278 | pos = nla_data(attr); | |
279 | len = nla_len(attr); | |
280 | ||
281 | while (len) { | |
282 | u8 elemlen; | |
283 | ||
284 | if (len < 2) | |
285 | return false; | |
286 | len -= 2; | |
287 | ||
288 | elemlen = pos[1]; | |
289 | if (elemlen > len) | |
290 | return false; | |
291 | ||
292 | len -= elemlen; | |
293 | pos += 2 + elemlen; | |
294 | } | |
295 | ||
296 | return true; | |
297 | } | |
298 | ||
55682965 JB |
299 | /* message building helper */ |
300 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, | |
301 | int flags, u8 cmd) | |
302 | { | |
303 | /* since there is no private header just add the generic one */ | |
304 | return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); | |
305 | } | |
306 | ||
5dab3b8a LR |
307 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
308 | struct ieee80211_channel *chan) | |
309 | { | |
310 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, | |
311 | chan->center_freq); | |
312 | ||
313 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
314 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); | |
315 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
316 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); | |
317 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) | |
318 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); | |
319 | if (chan->flags & IEEE80211_CHAN_RADAR) | |
320 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); | |
321 | ||
322 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, | |
323 | DBM_TO_MBM(chan->max_power)); | |
324 | ||
325 | return 0; | |
326 | ||
327 | nla_put_failure: | |
328 | return -ENOBUFS; | |
329 | } | |
330 | ||
55682965 JB |
331 | /* netlink command implementations */ |
332 | ||
b9454e83 JB |
333 | struct key_parse { |
334 | struct key_params p; | |
335 | int idx; | |
e31b8213 | 336 | int type; |
b9454e83 | 337 | bool def, defmgmt; |
dbd2fd65 | 338 | bool def_uni, def_multi; |
b9454e83 JB |
339 | }; |
340 | ||
341 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
342 | { | |
343 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
344 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
345 | nl80211_key_policy); | |
346 | if (err) | |
347 | return err; | |
348 | ||
349 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
350 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
351 | ||
dbd2fd65 JB |
352 | if (k->def) { |
353 | k->def_uni = true; | |
354 | k->def_multi = true; | |
355 | } | |
356 | if (k->defmgmt) | |
357 | k->def_multi = true; | |
358 | ||
b9454e83 JB |
359 | if (tb[NL80211_KEY_IDX]) |
360 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
361 | ||
362 | if (tb[NL80211_KEY_DATA]) { | |
363 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
364 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
365 | } | |
366 | ||
367 | if (tb[NL80211_KEY_SEQ]) { | |
368 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
369 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
370 | } | |
371 | ||
372 | if (tb[NL80211_KEY_CIPHER]) | |
373 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
374 | ||
e31b8213 JB |
375 | if (tb[NL80211_KEY_TYPE]) { |
376 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
377 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
378 | return -EINVAL; | |
379 | } | |
380 | ||
dbd2fd65 JB |
381 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
382 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
383 | int err = nla_parse_nested(kdt, | |
384 | NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
385 | tb[NL80211_KEY_DEFAULT_TYPES], | |
386 | nl80211_key_default_policy); | |
387 | if (err) | |
388 | return err; | |
389 | ||
390 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
391 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
392 | } | |
393 | ||
b9454e83 JB |
394 | return 0; |
395 | } | |
396 | ||
397 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
398 | { | |
399 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
400 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
401 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
402 | } | |
403 | ||
404 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
405 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
406 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
407 | } | |
408 | ||
409 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
410 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
411 | ||
412 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
413 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
414 | ||
415 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
416 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
417 | ||
dbd2fd65 JB |
418 | if (k->def) { |
419 | k->def_uni = true; | |
420 | k->def_multi = true; | |
421 | } | |
422 | if (k->defmgmt) | |
423 | k->def_multi = true; | |
424 | ||
e31b8213 JB |
425 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
426 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
427 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
428 | return -EINVAL; | |
429 | } | |
430 | ||
dbd2fd65 JB |
431 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
432 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
433 | int err = nla_parse_nested( | |
434 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
435 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
436 | nl80211_key_default_policy); | |
437 | if (err) | |
438 | return err; | |
439 | ||
440 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
441 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
442 | } | |
443 | ||
b9454e83 JB |
444 | return 0; |
445 | } | |
446 | ||
447 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
448 | { | |
449 | int err; | |
450 | ||
451 | memset(k, 0, sizeof(*k)); | |
452 | k->idx = -1; | |
e31b8213 | 453 | k->type = -1; |
b9454e83 JB |
454 | |
455 | if (info->attrs[NL80211_ATTR_KEY]) | |
456 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
457 | else | |
458 | err = nl80211_parse_key_old(info, k); | |
459 | ||
460 | if (err) | |
461 | return err; | |
462 | ||
463 | if (k->def && k->defmgmt) | |
464 | return -EINVAL; | |
465 | ||
dbd2fd65 JB |
466 | if (k->defmgmt) { |
467 | if (k->def_uni || !k->def_multi) | |
468 | return -EINVAL; | |
469 | } | |
470 | ||
b9454e83 JB |
471 | if (k->idx != -1) { |
472 | if (k->defmgmt) { | |
473 | if (k->idx < 4 || k->idx > 5) | |
474 | return -EINVAL; | |
475 | } else if (k->def) { | |
476 | if (k->idx < 0 || k->idx > 3) | |
477 | return -EINVAL; | |
478 | } else { | |
479 | if (k->idx < 0 || k->idx > 5) | |
480 | return -EINVAL; | |
481 | } | |
482 | } | |
483 | ||
484 | return 0; | |
485 | } | |
486 | ||
fffd0934 JB |
487 | static struct cfg80211_cached_keys * |
488 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
489 | struct nlattr *keys) | |
490 | { | |
491 | struct key_parse parse; | |
492 | struct nlattr *key; | |
493 | struct cfg80211_cached_keys *result; | |
494 | int rem, err, def = 0; | |
495 | ||
496 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
497 | if (!result) | |
498 | return ERR_PTR(-ENOMEM); | |
499 | ||
500 | result->def = -1; | |
501 | result->defmgmt = -1; | |
502 | ||
503 | nla_for_each_nested(key, keys, rem) { | |
504 | memset(&parse, 0, sizeof(parse)); | |
505 | parse.idx = -1; | |
506 | ||
507 | err = nl80211_parse_key_new(key, &parse); | |
508 | if (err) | |
509 | goto error; | |
510 | err = -EINVAL; | |
511 | if (!parse.p.key) | |
512 | goto error; | |
513 | if (parse.idx < 0 || parse.idx > 4) | |
514 | goto error; | |
515 | if (parse.def) { | |
516 | if (def) | |
517 | goto error; | |
518 | def = 1; | |
519 | result->def = parse.idx; | |
dbd2fd65 JB |
520 | if (!parse.def_uni || !parse.def_multi) |
521 | goto error; | |
fffd0934 JB |
522 | } else if (parse.defmgmt) |
523 | goto error; | |
524 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 525 | parse.idx, false, NULL); |
fffd0934 JB |
526 | if (err) |
527 | goto error; | |
528 | result->params[parse.idx].cipher = parse.p.cipher; | |
529 | result->params[parse.idx].key_len = parse.p.key_len; | |
530 | result->params[parse.idx].key = result->data[parse.idx]; | |
531 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
532 | } | |
533 | ||
534 | return result; | |
535 | error: | |
536 | kfree(result); | |
537 | return ERR_PTR(err); | |
538 | } | |
539 | ||
540 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
541 | { | |
542 | ASSERT_WDEV_LOCK(wdev); | |
543 | ||
fffd0934 JB |
544 | switch (wdev->iftype) { |
545 | case NL80211_IFTYPE_AP: | |
546 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 547 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 548 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
549 | break; |
550 | case NL80211_IFTYPE_ADHOC: | |
551 | if (!wdev->current_bss) | |
552 | return -ENOLINK; | |
553 | break; | |
554 | case NL80211_IFTYPE_STATION: | |
074ac8df | 555 | case NL80211_IFTYPE_P2P_CLIENT: |
fffd0934 JB |
556 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
557 | return -ENOLINK; | |
558 | break; | |
559 | default: | |
560 | return -EINVAL; | |
561 | } | |
562 | ||
563 | return 0; | |
564 | } | |
565 | ||
55682965 JB |
566 | static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, |
567 | struct cfg80211_registered_device *dev) | |
568 | { | |
569 | void *hdr; | |
ee688b00 JB |
570 | struct nlattr *nl_bands, *nl_band; |
571 | struct nlattr *nl_freqs, *nl_freq; | |
572 | struct nlattr *nl_rates, *nl_rate; | |
f59ac048 | 573 | struct nlattr *nl_modes; |
8fdc621d | 574 | struct nlattr *nl_cmds; |
ee688b00 JB |
575 | enum ieee80211_band band; |
576 | struct ieee80211_channel *chan; | |
577 | struct ieee80211_rate *rate; | |
578 | int i; | |
f59ac048 | 579 | u16 ifmodes = dev->wiphy.interface_modes; |
2e161f78 JB |
580 | const struct ieee80211_txrx_stypes *mgmt_stypes = |
581 | dev->wiphy.mgmt_stypes; | |
55682965 JB |
582 | |
583 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); | |
584 | if (!hdr) | |
585 | return -1; | |
586 | ||
b5850a7a | 587 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx); |
55682965 | 588 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); |
b9a5f8ca | 589 | |
f5ea9120 JB |
590 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, |
591 | cfg80211_rdev_list_generation); | |
592 | ||
b9a5f8ca JM |
593 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, |
594 | dev->wiphy.retry_short); | |
595 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
596 | dev->wiphy.retry_long); | |
597 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
598 | dev->wiphy.frag_threshold); | |
599 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
600 | dev->wiphy.rts_threshold); | |
81077e82 LT |
601 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
602 | dev->wiphy.coverage_class); | |
2a519311 JB |
603 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
604 | dev->wiphy.max_scan_ssids); | |
18a83659 JB |
605 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
606 | dev->wiphy.max_scan_ie_len); | |
ee688b00 | 607 | |
e31b8213 JB |
608 | if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) |
609 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN); | |
15d5dda6 JC |
610 | if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) |
611 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH); | |
e31b8213 | 612 | |
25e47c18 JB |
613 | NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES, |
614 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
615 | dev->wiphy.cipher_suites); | |
616 | ||
67fbb16b SO |
617 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
618 | dev->wiphy.max_num_pmkids); | |
619 | ||
c0692b8f JB |
620 | if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) |
621 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); | |
622 | ||
39fd5de4 BR |
623 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
624 | dev->wiphy.available_antennas_tx); | |
625 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
626 | dev->wiphy.available_antennas_rx); | |
627 | ||
7f531e03 BR |
628 | if ((dev->wiphy.available_antennas_tx || |
629 | dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { | |
afe0cbf8 BR |
630 | u32 tx_ant = 0, rx_ant = 0; |
631 | int res; | |
632 | res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant); | |
633 | if (!res) { | |
634 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); | |
635 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); | |
636 | } | |
637 | } | |
638 | ||
f59ac048 LR |
639 | nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES); |
640 | if (!nl_modes) | |
641 | goto nla_put_failure; | |
642 | ||
643 | i = 0; | |
644 | while (ifmodes) { | |
645 | if (ifmodes & 1) | |
646 | NLA_PUT_FLAG(msg, i); | |
647 | ifmodes >>= 1; | |
648 | i++; | |
649 | } | |
650 | ||
651 | nla_nest_end(msg, nl_modes); | |
652 | ||
ee688b00 JB |
653 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); |
654 | if (!nl_bands) | |
655 | goto nla_put_failure; | |
656 | ||
657 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
658 | if (!dev->wiphy.bands[band]) | |
659 | continue; | |
660 | ||
661 | nl_band = nla_nest_start(msg, band); | |
662 | if (!nl_band) | |
663 | goto nla_put_failure; | |
664 | ||
d51626df JB |
665 | /* add HT info */ |
666 | if (dev->wiphy.bands[band]->ht_cap.ht_supported) { | |
667 | NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
668 | sizeof(dev->wiphy.bands[band]->ht_cap.mcs), | |
669 | &dev->wiphy.bands[band]->ht_cap.mcs); | |
670 | NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
671 | dev->wiphy.bands[band]->ht_cap.cap); | |
672 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
673 | dev->wiphy.bands[band]->ht_cap.ampdu_factor); | |
674 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
675 | dev->wiphy.bands[band]->ht_cap.ampdu_density); | |
676 | } | |
677 | ||
ee688b00 JB |
678 | /* add frequencies */ |
679 | nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); | |
680 | if (!nl_freqs) | |
681 | goto nla_put_failure; | |
682 | ||
683 | for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { | |
684 | nl_freq = nla_nest_start(msg, i); | |
685 | if (!nl_freq) | |
686 | goto nla_put_failure; | |
687 | ||
688 | chan = &dev->wiphy.bands[band]->channels[i]; | |
5dab3b8a LR |
689 | |
690 | if (nl80211_msg_put_channel(msg, chan)) | |
691 | goto nla_put_failure; | |
e2f367f2 | 692 | |
ee688b00 JB |
693 | nla_nest_end(msg, nl_freq); |
694 | } | |
695 | ||
696 | nla_nest_end(msg, nl_freqs); | |
697 | ||
698 | /* add bitrates */ | |
699 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
700 | if (!nl_rates) | |
701 | goto nla_put_failure; | |
702 | ||
703 | for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { | |
704 | nl_rate = nla_nest_start(msg, i); | |
705 | if (!nl_rate) | |
706 | goto nla_put_failure; | |
707 | ||
708 | rate = &dev->wiphy.bands[band]->bitrates[i]; | |
709 | NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, | |
710 | rate->bitrate); | |
711 | if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) | |
712 | NLA_PUT_FLAG(msg, | |
713 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); | |
714 | ||
715 | nla_nest_end(msg, nl_rate); | |
716 | } | |
717 | ||
718 | nla_nest_end(msg, nl_rates); | |
719 | ||
720 | nla_nest_end(msg, nl_band); | |
721 | } | |
722 | nla_nest_end(msg, nl_bands); | |
723 | ||
8fdc621d JB |
724 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); |
725 | if (!nl_cmds) | |
726 | goto nla_put_failure; | |
727 | ||
728 | i = 0; | |
729 | #define CMD(op, n) \ | |
730 | do { \ | |
731 | if (dev->ops->op) { \ | |
732 | i++; \ | |
733 | NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \ | |
734 | } \ | |
735 | } while (0) | |
736 | ||
737 | CMD(add_virtual_intf, NEW_INTERFACE); | |
738 | CMD(change_virtual_intf, SET_INTERFACE); | |
739 | CMD(add_key, NEW_KEY); | |
740 | CMD(add_beacon, NEW_BEACON); | |
741 | CMD(add_station, NEW_STATION); | |
742 | CMD(add_mpath, NEW_MPATH); | |
24bdd9f4 | 743 | CMD(update_mesh_config, SET_MESH_CONFIG); |
8fdc621d | 744 | CMD(change_bss, SET_BSS); |
636a5d36 JM |
745 | CMD(auth, AUTHENTICATE); |
746 | CMD(assoc, ASSOCIATE); | |
747 | CMD(deauth, DEAUTHENTICATE); | |
748 | CMD(disassoc, DISASSOCIATE); | |
04a773ad | 749 | CMD(join_ibss, JOIN_IBSS); |
29cbe68c | 750 | CMD(join_mesh, JOIN_MESH); |
67fbb16b SO |
751 | CMD(set_pmksa, SET_PMKSA); |
752 | CMD(del_pmksa, DEL_PMKSA); | |
753 | CMD(flush_pmksa, FLUSH_PMKSA); | |
9588bbd5 | 754 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
13ae75b1 | 755 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); |
2e161f78 | 756 | CMD(mgmt_tx, FRAME); |
f7ca38df | 757 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); |
5be83de5 | 758 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
463d0183 JB |
759 | i++; |
760 | NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS); | |
761 | } | |
f444de05 | 762 | CMD(set_channel, SET_CHANNEL); |
e8347eba | 763 | CMD(set_wds_peer, SET_WDS_PEER); |
8fdc621d JB |
764 | |
765 | #undef CMD | |
b23aa676 | 766 | |
6829c878 | 767 | if (dev->ops->connect || dev->ops->auth) { |
b23aa676 SO |
768 | i++; |
769 | NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT); | |
770 | } | |
771 | ||
6829c878 | 772 | if (dev->ops->disconnect || dev->ops->deauth) { |
b23aa676 SO |
773 | i++; |
774 | NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT); | |
775 | } | |
776 | ||
8fdc621d JB |
777 | nla_nest_end(msg, nl_cmds); |
778 | ||
a293911d JB |
779 | if (dev->ops->remain_on_channel) |
780 | NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
781 | dev->wiphy.max_remain_on_channel_duration); | |
782 | ||
f7ca38df JB |
783 | /* for now at least assume all drivers have it */ |
784 | if (dev->ops->mgmt_tx) | |
785 | NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); | |
786 | ||
2e161f78 JB |
787 | if (mgmt_stypes) { |
788 | u16 stypes; | |
789 | struct nlattr *nl_ftypes, *nl_ifs; | |
790 | enum nl80211_iftype ift; | |
791 | ||
792 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); | |
793 | if (!nl_ifs) | |
794 | goto nla_put_failure; | |
795 | ||
796 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
797 | nl_ftypes = nla_nest_start(msg, ift); | |
798 | if (!nl_ftypes) | |
799 | goto nla_put_failure; | |
800 | i = 0; | |
801 | stypes = mgmt_stypes[ift].tx; | |
802 | while (stypes) { | |
803 | if (stypes & 1) | |
804 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
805 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
806 | stypes >>= 1; | |
807 | i++; | |
808 | } | |
809 | nla_nest_end(msg, nl_ftypes); | |
810 | } | |
811 | ||
74b70a4e JB |
812 | nla_nest_end(msg, nl_ifs); |
813 | ||
2e161f78 JB |
814 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
815 | if (!nl_ifs) | |
816 | goto nla_put_failure; | |
817 | ||
818 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
819 | nl_ftypes = nla_nest_start(msg, ift); | |
820 | if (!nl_ftypes) | |
821 | goto nla_put_failure; | |
822 | i = 0; | |
823 | stypes = mgmt_stypes[ift].rx; | |
824 | while (stypes) { | |
825 | if (stypes & 1) | |
826 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
827 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
828 | stypes >>= 1; | |
829 | i++; | |
830 | } | |
831 | nla_nest_end(msg, nl_ftypes); | |
832 | } | |
833 | nla_nest_end(msg, nl_ifs); | |
834 | } | |
835 | ||
ff1b6e69 JB |
836 | if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) { |
837 | struct nlattr *nl_wowlan; | |
838 | ||
839 | nl_wowlan = nla_nest_start(msg, | |
840 | NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); | |
841 | if (!nl_wowlan) | |
842 | goto nla_put_failure; | |
843 | ||
844 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) | |
845 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
846 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) | |
847 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
848 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) | |
849 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
850 | if (dev->wiphy.wowlan.n_patterns) { | |
851 | struct nl80211_wowlan_pattern_support pat = { | |
852 | .max_patterns = dev->wiphy.wowlan.n_patterns, | |
853 | .min_pattern_len = | |
854 | dev->wiphy.wowlan.pattern_min_len, | |
855 | .max_pattern_len = | |
856 | dev->wiphy.wowlan.pattern_max_len, | |
857 | }; | |
858 | NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
859 | sizeof(pat), &pat); | |
860 | } | |
861 | ||
862 | nla_nest_end(msg, nl_wowlan); | |
863 | } | |
864 | ||
55682965 JB |
865 | return genlmsg_end(msg, hdr); |
866 | ||
867 | nla_put_failure: | |
bc3ed28c TG |
868 | genlmsg_cancel(msg, hdr); |
869 | return -EMSGSIZE; | |
55682965 JB |
870 | } |
871 | ||
872 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) | |
873 | { | |
874 | int idx = 0; | |
875 | int start = cb->args[0]; | |
876 | struct cfg80211_registered_device *dev; | |
877 | ||
a1794390 | 878 | mutex_lock(&cfg80211_mutex); |
79c97e97 | 879 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
880 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
881 | continue; | |
b4637271 | 882 | if (++idx <= start) |
55682965 JB |
883 | continue; |
884 | if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, | |
885 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
b4637271 JV |
886 | dev) < 0) { |
887 | idx--; | |
55682965 | 888 | break; |
b4637271 | 889 | } |
55682965 | 890 | } |
a1794390 | 891 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
892 | |
893 | cb->args[0] = idx; | |
894 | ||
895 | return skb->len; | |
896 | } | |
897 | ||
898 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) | |
899 | { | |
900 | struct sk_buff *msg; | |
4c476991 | 901 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
55682965 | 902 | |
fd2120ca | 903 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 904 | if (!msg) |
4c476991 | 905 | return -ENOMEM; |
55682965 | 906 | |
4c476991 JB |
907 | if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { |
908 | nlmsg_free(msg); | |
909 | return -ENOBUFS; | |
910 | } | |
55682965 | 911 | |
134e6375 | 912 | return genlmsg_reply(msg, info); |
55682965 JB |
913 | } |
914 | ||
31888487 JM |
915 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
916 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
917 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
918 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
919 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
920 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
921 | }; | |
922 | ||
923 | static int parse_txq_params(struct nlattr *tb[], | |
924 | struct ieee80211_txq_params *txq_params) | |
925 | { | |
926 | if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] || | |
927 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || | |
928 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
929 | return -EINVAL; | |
930 | ||
931 | txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]); | |
932 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); | |
933 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
934 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
935 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
936 | ||
937 | return 0; | |
938 | } | |
939 | ||
f444de05 JB |
940 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
941 | { | |
942 | /* | |
943 | * You can only set the channel explicitly for AP, mesh | |
944 | * and WDS type interfaces; all others have their channel | |
945 | * managed via their respective "establish a connection" | |
946 | * command (connect, join, ...) | |
947 | * | |
948 | * Monitors are special as they are normally slaved to | |
949 | * whatever else is going on, so they behave as though | |
950 | * you tried setting the wiphy channel itself. | |
951 | */ | |
952 | return !wdev || | |
953 | wdev->iftype == NL80211_IFTYPE_AP || | |
954 | wdev->iftype == NL80211_IFTYPE_WDS || | |
955 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || | |
074ac8df JB |
956 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
957 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
958 | } |
959 | ||
960 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, | |
961 | struct wireless_dev *wdev, | |
962 | struct genl_info *info) | |
963 | { | |
964 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
965 | u32 freq; | |
966 | int result; | |
967 | ||
968 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
969 | return -EINVAL; | |
970 | ||
971 | if (!nl80211_can_set_dev_channel(wdev)) | |
972 | return -EOPNOTSUPP; | |
973 | ||
974 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { | |
975 | channel_type = nla_get_u32(info->attrs[ | |
976 | NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
977 | if (channel_type != NL80211_CHAN_NO_HT && | |
978 | channel_type != NL80211_CHAN_HT20 && | |
979 | channel_type != NL80211_CHAN_HT40PLUS && | |
980 | channel_type != NL80211_CHAN_HT40MINUS) | |
981 | return -EINVAL; | |
982 | } | |
983 | ||
984 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
985 | ||
986 | mutex_lock(&rdev->devlist_mtx); | |
987 | if (wdev) { | |
988 | wdev_lock(wdev); | |
989 | result = cfg80211_set_freq(rdev, wdev, freq, channel_type); | |
990 | wdev_unlock(wdev); | |
991 | } else { | |
992 | result = cfg80211_set_freq(rdev, NULL, freq, channel_type); | |
993 | } | |
994 | mutex_unlock(&rdev->devlist_mtx); | |
995 | ||
996 | return result; | |
997 | } | |
998 | ||
999 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1000 | { | |
4c476991 JB |
1001 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1002 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1003 | |
4c476991 | 1004 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1005 | } |
1006 | ||
e8347eba BJ |
1007 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1008 | { | |
43b19952 JB |
1009 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1010 | struct net_device *dev = info->user_ptr[1]; | |
1011 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1012 | const u8 *bssid; |
e8347eba BJ |
1013 | |
1014 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1015 | return -EINVAL; | |
1016 | ||
43b19952 JB |
1017 | if (netif_running(dev)) |
1018 | return -EBUSY; | |
e8347eba | 1019 | |
43b19952 JB |
1020 | if (!rdev->ops->set_wds_peer) |
1021 | return -EOPNOTSUPP; | |
e8347eba | 1022 | |
43b19952 JB |
1023 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1024 | return -EOPNOTSUPP; | |
e8347eba BJ |
1025 | |
1026 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
43b19952 | 1027 | return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); |
e8347eba BJ |
1028 | } |
1029 | ||
1030 | ||
55682965 JB |
1031 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1032 | { | |
1033 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1034 | struct net_device *netdev = NULL; |
1035 | struct wireless_dev *wdev; | |
a1e567c8 | 1036 | int result = 0, rem_txq_params = 0; |
31888487 | 1037 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1038 | u32 changed; |
1039 | u8 retry_short = 0, retry_long = 0; | |
1040 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1041 | u8 coverage_class = 0; |
55682965 | 1042 | |
f444de05 JB |
1043 | /* |
1044 | * Try to find the wiphy and netdev. Normally this | |
1045 | * function shouldn't need the netdev, but this is | |
1046 | * done for backward compatibility -- previously | |
1047 | * setting the channel was done per wiphy, but now | |
1048 | * it is per netdev. Previous userland like hostapd | |
1049 | * also passed a netdev to set_wiphy, so that it is | |
1050 | * possible to let that go to the right netdev! | |
1051 | */ | |
4bbf4d56 JB |
1052 | mutex_lock(&cfg80211_mutex); |
1053 | ||
f444de05 JB |
1054 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1055 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1056 | ||
1057 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
1058 | if (netdev && netdev->ieee80211_ptr) { | |
1059 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); | |
1060 | mutex_lock(&rdev->mtx); | |
1061 | } else | |
1062 | netdev = NULL; | |
4bbf4d56 JB |
1063 | } |
1064 | ||
f444de05 JB |
1065 | if (!netdev) { |
1066 | rdev = __cfg80211_rdev_from_info(info); | |
1067 | if (IS_ERR(rdev)) { | |
1068 | mutex_unlock(&cfg80211_mutex); | |
4c476991 | 1069 | return PTR_ERR(rdev); |
f444de05 JB |
1070 | } |
1071 | wdev = NULL; | |
1072 | netdev = NULL; | |
1073 | result = 0; | |
1074 | ||
1075 | mutex_lock(&rdev->mtx); | |
1076 | } else if (netif_running(netdev) && | |
1077 | nl80211_can_set_dev_channel(netdev->ieee80211_ptr)) | |
1078 | wdev = netdev->ieee80211_ptr; | |
1079 | else | |
1080 | wdev = NULL; | |
1081 | ||
1082 | /* | |
1083 | * end workaround code, by now the rdev is available | |
1084 | * and locked, and wdev may or may not be NULL. | |
1085 | */ | |
4bbf4d56 JB |
1086 | |
1087 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1088 | result = cfg80211_dev_rename( |
1089 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 JB |
1090 | |
1091 | mutex_unlock(&cfg80211_mutex); | |
1092 | ||
1093 | if (result) | |
1094 | goto bad_res; | |
31888487 JM |
1095 | |
1096 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1097 | struct ieee80211_txq_params txq_params; | |
1098 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1099 | ||
1100 | if (!rdev->ops->set_txq_params) { | |
1101 | result = -EOPNOTSUPP; | |
1102 | goto bad_res; | |
1103 | } | |
1104 | ||
1105 | nla_for_each_nested(nl_txq_params, | |
1106 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
1107 | rem_txq_params) { | |
1108 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
1109 | nla_data(nl_txq_params), | |
1110 | nla_len(nl_txq_params), | |
1111 | txq_params_policy); | |
1112 | result = parse_txq_params(tb, &txq_params); | |
1113 | if (result) | |
1114 | goto bad_res; | |
1115 | ||
1116 | result = rdev->ops->set_txq_params(&rdev->wiphy, | |
1117 | &txq_params); | |
1118 | if (result) | |
1119 | goto bad_res; | |
1120 | } | |
1121 | } | |
55682965 | 1122 | |
72bdcf34 | 1123 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
f444de05 | 1124 | result = __nl80211_set_channel(rdev, wdev, info); |
72bdcf34 JM |
1125 | if (result) |
1126 | goto bad_res; | |
1127 | } | |
1128 | ||
98d2ff8b JO |
1129 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
1130 | enum nl80211_tx_power_setting type; | |
1131 | int idx, mbm = 0; | |
1132 | ||
1133 | if (!rdev->ops->set_tx_power) { | |
60ea385f | 1134 | result = -EOPNOTSUPP; |
98d2ff8b JO |
1135 | goto bad_res; |
1136 | } | |
1137 | ||
1138 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
1139 | type = nla_get_u32(info->attrs[idx]); | |
1140 | ||
1141 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
1142 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
1143 | result = -EINVAL; | |
1144 | goto bad_res; | |
1145 | } | |
1146 | ||
1147 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
1148 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
1149 | mbm = nla_get_u32(info->attrs[idx]); | |
1150 | } | |
1151 | ||
1152 | result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm); | |
1153 | if (result) | |
1154 | goto bad_res; | |
1155 | } | |
1156 | ||
afe0cbf8 BR |
1157 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
1158 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
1159 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
1160 | if ((!rdev->wiphy.available_antennas_tx && |
1161 | !rdev->wiphy.available_antennas_rx) || | |
1162 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
1163 | result = -EOPNOTSUPP; |
1164 | goto bad_res; | |
1165 | } | |
1166 | ||
1167 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
1168 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
1169 | ||
a7ffac95 | 1170 | /* reject antenna configurations which don't match the |
7f531e03 BR |
1171 | * available antenna masks, except for the "all" mask */ |
1172 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
1173 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
1174 | result = -EINVAL; |
1175 | goto bad_res; | |
1176 | } | |
1177 | ||
7f531e03 BR |
1178 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
1179 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 1180 | |
afe0cbf8 BR |
1181 | result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); |
1182 | if (result) | |
1183 | goto bad_res; | |
1184 | } | |
1185 | ||
b9a5f8ca JM |
1186 | changed = 0; |
1187 | ||
1188 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
1189 | retry_short = nla_get_u8( | |
1190 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
1191 | if (retry_short == 0) { | |
1192 | result = -EINVAL; | |
1193 | goto bad_res; | |
1194 | } | |
1195 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
1196 | } | |
1197 | ||
1198 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
1199 | retry_long = nla_get_u8( | |
1200 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
1201 | if (retry_long == 0) { | |
1202 | result = -EINVAL; | |
1203 | goto bad_res; | |
1204 | } | |
1205 | changed |= WIPHY_PARAM_RETRY_LONG; | |
1206 | } | |
1207 | ||
1208 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
1209 | frag_threshold = nla_get_u32( | |
1210 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
1211 | if (frag_threshold < 256) { | |
1212 | result = -EINVAL; | |
1213 | goto bad_res; | |
1214 | } | |
1215 | if (frag_threshold != (u32) -1) { | |
1216 | /* | |
1217 | * Fragments (apart from the last one) are required to | |
1218 | * have even length. Make the fragmentation code | |
1219 | * simpler by stripping LSB should someone try to use | |
1220 | * odd threshold value. | |
1221 | */ | |
1222 | frag_threshold &= ~0x1; | |
1223 | } | |
1224 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
1225 | } | |
1226 | ||
1227 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
1228 | rts_threshold = nla_get_u32( | |
1229 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
1230 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
1231 | } | |
1232 | ||
81077e82 LT |
1233 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
1234 | coverage_class = nla_get_u8( | |
1235 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
1236 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
1237 | } | |
1238 | ||
b9a5f8ca JM |
1239 | if (changed) { |
1240 | u8 old_retry_short, old_retry_long; | |
1241 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 1242 | u8 old_coverage_class; |
b9a5f8ca JM |
1243 | |
1244 | if (!rdev->ops->set_wiphy_params) { | |
1245 | result = -EOPNOTSUPP; | |
1246 | goto bad_res; | |
1247 | } | |
1248 | ||
1249 | old_retry_short = rdev->wiphy.retry_short; | |
1250 | old_retry_long = rdev->wiphy.retry_long; | |
1251 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
1252 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 1253 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
1254 | |
1255 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1256 | rdev->wiphy.retry_short = retry_short; | |
1257 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1258 | rdev->wiphy.retry_long = retry_long; | |
1259 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
1260 | rdev->wiphy.frag_threshold = frag_threshold; | |
1261 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
1262 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
1263 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
1264 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca JM |
1265 | |
1266 | result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed); | |
1267 | if (result) { | |
1268 | rdev->wiphy.retry_short = old_retry_short; | |
1269 | rdev->wiphy.retry_long = old_retry_long; | |
1270 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
1271 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 1272 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
1273 | } |
1274 | } | |
72bdcf34 | 1275 | |
306d6112 | 1276 | bad_res: |
4bbf4d56 | 1277 | mutex_unlock(&rdev->mtx); |
f444de05 JB |
1278 | if (netdev) |
1279 | dev_put(netdev); | |
55682965 JB |
1280 | return result; |
1281 | } | |
1282 | ||
1283 | ||
1284 | static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
d726405a | 1285 | struct cfg80211_registered_device *rdev, |
55682965 JB |
1286 | struct net_device *dev) |
1287 | { | |
1288 | void *hdr; | |
1289 | ||
1290 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); | |
1291 | if (!hdr) | |
1292 | return -1; | |
1293 | ||
1294 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
d726405a | 1295 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
55682965 | 1296 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name); |
60719ffd | 1297 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype); |
f5ea9120 JB |
1298 | |
1299 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, | |
1300 | rdev->devlist_generation ^ | |
1301 | (cfg80211_rdev_list_generation << 2)); | |
1302 | ||
55682965 JB |
1303 | return genlmsg_end(msg, hdr); |
1304 | ||
1305 | nla_put_failure: | |
bc3ed28c TG |
1306 | genlmsg_cancel(msg, hdr); |
1307 | return -EMSGSIZE; | |
55682965 JB |
1308 | } |
1309 | ||
1310 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
1311 | { | |
1312 | int wp_idx = 0; | |
1313 | int if_idx = 0; | |
1314 | int wp_start = cb->args[0]; | |
1315 | int if_start = cb->args[1]; | |
f5ea9120 | 1316 | struct cfg80211_registered_device *rdev; |
55682965 JB |
1317 | struct wireless_dev *wdev; |
1318 | ||
a1794390 | 1319 | mutex_lock(&cfg80211_mutex); |
f5ea9120 JB |
1320 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1321 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1322 | continue; |
bba95fef JB |
1323 | if (wp_idx < wp_start) { |
1324 | wp_idx++; | |
55682965 | 1325 | continue; |
bba95fef | 1326 | } |
55682965 JB |
1327 | if_idx = 0; |
1328 | ||
f5ea9120 JB |
1329 | mutex_lock(&rdev->devlist_mtx); |
1330 | list_for_each_entry(wdev, &rdev->netdev_list, list) { | |
bba95fef JB |
1331 | if (if_idx < if_start) { |
1332 | if_idx++; | |
55682965 | 1333 | continue; |
bba95fef | 1334 | } |
55682965 JB |
1335 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, |
1336 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
f5ea9120 JB |
1337 | rdev, wdev->netdev) < 0) { |
1338 | mutex_unlock(&rdev->devlist_mtx); | |
bba95fef JB |
1339 | goto out; |
1340 | } | |
1341 | if_idx++; | |
55682965 | 1342 | } |
f5ea9120 | 1343 | mutex_unlock(&rdev->devlist_mtx); |
bba95fef JB |
1344 | |
1345 | wp_idx++; | |
55682965 | 1346 | } |
bba95fef | 1347 | out: |
a1794390 | 1348 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1349 | |
1350 | cb->args[0] = wp_idx; | |
1351 | cb->args[1] = if_idx; | |
1352 | ||
1353 | return skb->len; | |
1354 | } | |
1355 | ||
1356 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
1357 | { | |
1358 | struct sk_buff *msg; | |
4c476991 JB |
1359 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
1360 | struct net_device *netdev = info->user_ptr[1]; | |
55682965 | 1361 | |
fd2120ca | 1362 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1363 | if (!msg) |
4c476991 | 1364 | return -ENOMEM; |
55682965 | 1365 | |
d726405a | 1366 | if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, |
4c476991 JB |
1367 | dev, netdev) < 0) { |
1368 | nlmsg_free(msg); | |
1369 | return -ENOBUFS; | |
1370 | } | |
55682965 | 1371 | |
134e6375 | 1372 | return genlmsg_reply(msg, info); |
55682965 JB |
1373 | } |
1374 | ||
66f7ac50 MW |
1375 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
1376 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
1377 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
1378 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
1379 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
1380 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
1381 | }; | |
1382 | ||
1383 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
1384 | { | |
1385 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
1386 | int flag; | |
1387 | ||
1388 | *mntrflags = 0; | |
1389 | ||
1390 | if (!nla) | |
1391 | return -EINVAL; | |
1392 | ||
1393 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
1394 | nla, mntr_flags_policy)) | |
1395 | return -EINVAL; | |
1396 | ||
1397 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
1398 | if (flags[flag]) | |
1399 | *mntrflags |= (1<<flag); | |
1400 | ||
1401 | return 0; | |
1402 | } | |
1403 | ||
9bc383de | 1404 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
1405 | struct net_device *netdev, u8 use_4addr, |
1406 | enum nl80211_iftype iftype) | |
9bc383de | 1407 | { |
ad4bb6f8 | 1408 | if (!use_4addr) { |
f350a0a8 | 1409 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 1410 | return -EBUSY; |
9bc383de | 1411 | return 0; |
ad4bb6f8 | 1412 | } |
9bc383de JB |
1413 | |
1414 | switch (iftype) { | |
1415 | case NL80211_IFTYPE_AP_VLAN: | |
1416 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
1417 | return 0; | |
1418 | break; | |
1419 | case NL80211_IFTYPE_STATION: | |
1420 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
1421 | return 0; | |
1422 | break; | |
1423 | default: | |
1424 | break; | |
1425 | } | |
1426 | ||
1427 | return -EOPNOTSUPP; | |
1428 | } | |
1429 | ||
55682965 JB |
1430 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
1431 | { | |
4c476991 | 1432 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1433 | struct vif_params params; |
e36d56b6 | 1434 | int err; |
04a773ad | 1435 | enum nl80211_iftype otype, ntype; |
4c476991 | 1436 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 1437 | u32 _flags, *flags = NULL; |
ac7f9cfa | 1438 | bool change = false; |
55682965 | 1439 | |
2ec600d6 LCC |
1440 | memset(¶ms, 0, sizeof(params)); |
1441 | ||
04a773ad | 1442 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 1443 | |
723b038d | 1444 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 1445 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 1446 | if (otype != ntype) |
ac7f9cfa | 1447 | change = true; |
4c476991 JB |
1448 | if (ntype > NL80211_IFTYPE_MAX) |
1449 | return -EINVAL; | |
723b038d JB |
1450 | } |
1451 | ||
92ffe055 | 1452 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
1453 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
1454 | ||
4c476991 JB |
1455 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
1456 | return -EINVAL; | |
29cbe68c JB |
1457 | if (netif_running(dev)) |
1458 | return -EBUSY; | |
1459 | ||
1460 | wdev_lock(wdev); | |
1461 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1462 | IEEE80211_MAX_MESH_ID_LEN); | |
1463 | wdev->mesh_id_up_len = | |
1464 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1465 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1466 | wdev->mesh_id_up_len); | |
1467 | wdev_unlock(wdev); | |
2ec600d6 LCC |
1468 | } |
1469 | ||
8b787643 FF |
1470 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
1471 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
1472 | change = true; | |
ad4bb6f8 | 1473 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 1474 | if (err) |
4c476991 | 1475 | return err; |
8b787643 FF |
1476 | } else { |
1477 | params.use_4addr = -1; | |
1478 | } | |
1479 | ||
92ffe055 | 1480 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
1481 | if (ntype != NL80211_IFTYPE_MONITOR) |
1482 | return -EINVAL; | |
92ffe055 JB |
1483 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
1484 | &_flags); | |
ac7f9cfa | 1485 | if (err) |
4c476991 | 1486 | return err; |
ac7f9cfa JB |
1487 | |
1488 | flags = &_flags; | |
1489 | change = true; | |
92ffe055 | 1490 | } |
3b85875a | 1491 | |
ac7f9cfa | 1492 | if (change) |
3d54d255 | 1493 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
1494 | else |
1495 | err = 0; | |
60719ffd | 1496 | |
9bc383de JB |
1497 | if (!err && params.use_4addr != -1) |
1498 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
1499 | ||
55682965 JB |
1500 | return err; |
1501 | } | |
1502 | ||
1503 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
1504 | { | |
4c476991 | 1505 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1506 | struct vif_params params; |
f9e10ce4 | 1507 | struct net_device *dev; |
55682965 JB |
1508 | int err; |
1509 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 1510 | u32 flags; |
55682965 | 1511 | |
2ec600d6 LCC |
1512 | memset(¶ms, 0, sizeof(params)); |
1513 | ||
55682965 JB |
1514 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
1515 | return -EINVAL; | |
1516 | ||
1517 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
1518 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
1519 | if (type > NL80211_IFTYPE_MAX) | |
1520 | return -EINVAL; | |
1521 | } | |
1522 | ||
79c97e97 | 1523 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
1524 | !(rdev->wiphy.interface_modes & (1 << type))) |
1525 | return -EOPNOTSUPP; | |
55682965 | 1526 | |
9bc383de | 1527 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 1528 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 1529 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 1530 | if (err) |
4c476991 | 1531 | return err; |
9bc383de | 1532 | } |
8b787643 | 1533 | |
66f7ac50 MW |
1534 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
1535 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
1536 | &flags); | |
f9e10ce4 | 1537 | dev = rdev->ops->add_virtual_intf(&rdev->wiphy, |
66f7ac50 | 1538 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), |
2ec600d6 | 1539 | type, err ? NULL : &flags, ¶ms); |
f9e10ce4 JB |
1540 | if (IS_ERR(dev)) |
1541 | return PTR_ERR(dev); | |
2ec600d6 | 1542 | |
29cbe68c JB |
1543 | if (type == NL80211_IFTYPE_MESH_POINT && |
1544 | info->attrs[NL80211_ATTR_MESH_ID]) { | |
1545 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
1546 | ||
1547 | wdev_lock(wdev); | |
1548 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1549 | IEEE80211_MAX_MESH_ID_LEN); | |
1550 | wdev->mesh_id_up_len = | |
1551 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1552 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1553 | wdev->mesh_id_up_len); | |
1554 | wdev_unlock(wdev); | |
1555 | } | |
1556 | ||
f9e10ce4 | 1557 | return 0; |
55682965 JB |
1558 | } |
1559 | ||
1560 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
1561 | { | |
4c476991 JB |
1562 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1563 | struct net_device *dev = info->user_ptr[1]; | |
55682965 | 1564 | |
4c476991 JB |
1565 | if (!rdev->ops->del_virtual_intf) |
1566 | return -EOPNOTSUPP; | |
55682965 | 1567 | |
4c476991 | 1568 | return rdev->ops->del_virtual_intf(&rdev->wiphy, dev); |
55682965 JB |
1569 | } |
1570 | ||
41ade00f JB |
1571 | struct get_key_cookie { |
1572 | struct sk_buff *msg; | |
1573 | int error; | |
b9454e83 | 1574 | int idx; |
41ade00f JB |
1575 | }; |
1576 | ||
1577 | static void get_key_callback(void *c, struct key_params *params) | |
1578 | { | |
b9454e83 | 1579 | struct nlattr *key; |
41ade00f JB |
1580 | struct get_key_cookie *cookie = c; |
1581 | ||
1582 | if (params->key) | |
1583 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, | |
1584 | params->key_len, params->key); | |
1585 | ||
1586 | if (params->seq) | |
1587 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
1588 | params->seq_len, params->seq); | |
1589 | ||
1590 | if (params->cipher) | |
1591 | NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
1592 | params->cipher); | |
1593 | ||
b9454e83 JB |
1594 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
1595 | if (!key) | |
1596 | goto nla_put_failure; | |
1597 | ||
1598 | if (params->key) | |
1599 | NLA_PUT(cookie->msg, NL80211_KEY_DATA, | |
1600 | params->key_len, params->key); | |
1601 | ||
1602 | if (params->seq) | |
1603 | NLA_PUT(cookie->msg, NL80211_KEY_SEQ, | |
1604 | params->seq_len, params->seq); | |
1605 | ||
1606 | if (params->cipher) | |
1607 | NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER, | |
1608 | params->cipher); | |
1609 | ||
1610 | NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx); | |
1611 | ||
1612 | nla_nest_end(cookie->msg, key); | |
1613 | ||
41ade00f JB |
1614 | return; |
1615 | nla_put_failure: | |
1616 | cookie->error = 1; | |
1617 | } | |
1618 | ||
1619 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
1620 | { | |
4c476991 | 1621 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 1622 | int err; |
4c476991 | 1623 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1624 | u8 key_idx = 0; |
e31b8213 JB |
1625 | const u8 *mac_addr = NULL; |
1626 | bool pairwise; | |
41ade00f JB |
1627 | struct get_key_cookie cookie = { |
1628 | .error = 0, | |
1629 | }; | |
1630 | void *hdr; | |
1631 | struct sk_buff *msg; | |
1632 | ||
1633 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
1634 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
1635 | ||
3cfcf6ac | 1636 | if (key_idx > 5) |
41ade00f JB |
1637 | return -EINVAL; |
1638 | ||
1639 | if (info->attrs[NL80211_ATTR_MAC]) | |
1640 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1641 | ||
e31b8213 JB |
1642 | pairwise = !!mac_addr; |
1643 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
1644 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
1645 | if (kt >= NUM_NL80211_KEYTYPES) | |
1646 | return -EINVAL; | |
1647 | if (kt != NL80211_KEYTYPE_GROUP && | |
1648 | kt != NL80211_KEYTYPE_PAIRWISE) | |
1649 | return -EINVAL; | |
1650 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
1651 | } | |
1652 | ||
4c476991 JB |
1653 | if (!rdev->ops->get_key) |
1654 | return -EOPNOTSUPP; | |
41ade00f | 1655 | |
fd2120ca | 1656 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
1657 | if (!msg) |
1658 | return -ENOMEM; | |
41ade00f JB |
1659 | |
1660 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
1661 | NL80211_CMD_NEW_KEY); | |
4c476991 JB |
1662 | if (IS_ERR(hdr)) |
1663 | return PTR_ERR(hdr); | |
41ade00f JB |
1664 | |
1665 | cookie.msg = msg; | |
b9454e83 | 1666 | cookie.idx = key_idx; |
41ade00f JB |
1667 | |
1668 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
1669 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
1670 | if (mac_addr) | |
1671 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
1672 | ||
e31b8213 JB |
1673 | if (pairwise && mac_addr && |
1674 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
1675 | return -ENOENT; | |
1676 | ||
1677 | err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise, | |
1678 | mac_addr, &cookie, get_key_callback); | |
41ade00f JB |
1679 | |
1680 | if (err) | |
6c95e2a2 | 1681 | goto free_msg; |
41ade00f JB |
1682 | |
1683 | if (cookie.error) | |
1684 | goto nla_put_failure; | |
1685 | ||
1686 | genlmsg_end(msg, hdr); | |
4c476991 | 1687 | return genlmsg_reply(msg, info); |
41ade00f JB |
1688 | |
1689 | nla_put_failure: | |
1690 | err = -ENOBUFS; | |
6c95e2a2 | 1691 | free_msg: |
41ade00f | 1692 | nlmsg_free(msg); |
41ade00f JB |
1693 | return err; |
1694 | } | |
1695 | ||
1696 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
1697 | { | |
4c476991 | 1698 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 1699 | struct key_parse key; |
41ade00f | 1700 | int err; |
4c476991 | 1701 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1702 | |
b9454e83 JB |
1703 | err = nl80211_parse_key(info, &key); |
1704 | if (err) | |
1705 | return err; | |
41ade00f | 1706 | |
b9454e83 | 1707 | if (key.idx < 0) |
41ade00f JB |
1708 | return -EINVAL; |
1709 | ||
b9454e83 JB |
1710 | /* only support setting default key */ |
1711 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
1712 | return -EINVAL; |
1713 | ||
dbd2fd65 | 1714 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 1715 | |
dbd2fd65 JB |
1716 | if (key.def) { |
1717 | if (!rdev->ops->set_default_key) { | |
1718 | err = -EOPNOTSUPP; | |
1719 | goto out; | |
1720 | } | |
41ade00f | 1721 | |
dbd2fd65 JB |
1722 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
1723 | if (err) | |
1724 | goto out; | |
1725 | ||
dbd2fd65 JB |
1726 | err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx, |
1727 | key.def_uni, key.def_multi); | |
1728 | ||
1729 | if (err) | |
1730 | goto out; | |
fffd0934 | 1731 | |
3d23e349 | 1732 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
1733 | dev->ieee80211_ptr->wext.default_key = key.idx; |
1734 | #endif | |
1735 | } else { | |
1736 | if (key.def_uni || !key.def_multi) { | |
1737 | err = -EINVAL; | |
1738 | goto out; | |
1739 | } | |
1740 | ||
1741 | if (!rdev->ops->set_default_mgmt_key) { | |
1742 | err = -EOPNOTSUPP; | |
1743 | goto out; | |
1744 | } | |
1745 | ||
1746 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
1747 | if (err) | |
1748 | goto out; | |
1749 | ||
1750 | err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, | |
1751 | dev, key.idx); | |
1752 | if (err) | |
1753 | goto out; | |
1754 | ||
1755 | #ifdef CONFIG_CFG80211_WEXT | |
1756 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 1757 | #endif |
dbd2fd65 JB |
1758 | } |
1759 | ||
1760 | out: | |
fffd0934 | 1761 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 1762 | |
41ade00f JB |
1763 | return err; |
1764 | } | |
1765 | ||
1766 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
1767 | { | |
4c476991 | 1768 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 1769 | int err; |
4c476991 | 1770 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 1771 | struct key_parse key; |
e31b8213 | 1772 | const u8 *mac_addr = NULL; |
41ade00f | 1773 | |
b9454e83 JB |
1774 | err = nl80211_parse_key(info, &key); |
1775 | if (err) | |
1776 | return err; | |
41ade00f | 1777 | |
b9454e83 | 1778 | if (!key.p.key) |
41ade00f JB |
1779 | return -EINVAL; |
1780 | ||
41ade00f JB |
1781 | if (info->attrs[NL80211_ATTR_MAC]) |
1782 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1783 | ||
e31b8213 JB |
1784 | if (key.type == -1) { |
1785 | if (mac_addr) | |
1786 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
1787 | else | |
1788 | key.type = NL80211_KEYTYPE_GROUP; | |
1789 | } | |
1790 | ||
1791 | /* for now */ | |
1792 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
1793 | key.type != NL80211_KEYTYPE_GROUP) | |
1794 | return -EINVAL; | |
1795 | ||
4c476991 JB |
1796 | if (!rdev->ops->add_key) |
1797 | return -EOPNOTSUPP; | |
25e47c18 | 1798 | |
e31b8213 JB |
1799 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
1800 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
1801 | mac_addr)) | |
4c476991 | 1802 | return -EINVAL; |
41ade00f | 1803 | |
fffd0934 JB |
1804 | wdev_lock(dev->ieee80211_ptr); |
1805 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
1806 | if (!err) | |
1807 | err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx, | |
e31b8213 | 1808 | key.type == NL80211_KEYTYPE_PAIRWISE, |
fffd0934 JB |
1809 | mac_addr, &key.p); |
1810 | wdev_unlock(dev->ieee80211_ptr); | |
41ade00f | 1811 | |
41ade00f JB |
1812 | return err; |
1813 | } | |
1814 | ||
1815 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
1816 | { | |
4c476991 | 1817 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 1818 | int err; |
4c476991 | 1819 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1820 | u8 *mac_addr = NULL; |
b9454e83 | 1821 | struct key_parse key; |
41ade00f | 1822 | |
b9454e83 JB |
1823 | err = nl80211_parse_key(info, &key); |
1824 | if (err) | |
1825 | return err; | |
41ade00f JB |
1826 | |
1827 | if (info->attrs[NL80211_ATTR_MAC]) | |
1828 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1829 | ||
e31b8213 JB |
1830 | if (key.type == -1) { |
1831 | if (mac_addr) | |
1832 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
1833 | else | |
1834 | key.type = NL80211_KEYTYPE_GROUP; | |
1835 | } | |
1836 | ||
1837 | /* for now */ | |
1838 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
1839 | key.type != NL80211_KEYTYPE_GROUP) | |
1840 | return -EINVAL; | |
1841 | ||
4c476991 JB |
1842 | if (!rdev->ops->del_key) |
1843 | return -EOPNOTSUPP; | |
41ade00f | 1844 | |
fffd0934 JB |
1845 | wdev_lock(dev->ieee80211_ptr); |
1846 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
1847 | |
1848 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
1849 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
1850 | err = -ENOENT; | |
1851 | ||
fffd0934 | 1852 | if (!err) |
e31b8213 JB |
1853 | err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, |
1854 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
1855 | mac_addr); | |
41ade00f | 1856 | |
3d23e349 | 1857 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 1858 | if (!err) { |
b9454e83 | 1859 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 1860 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 1861 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
1862 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
1863 | } | |
1864 | #endif | |
fffd0934 | 1865 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 1866 | |
41ade00f JB |
1867 | return err; |
1868 | } | |
1869 | ||
ed1b6cc7 JB |
1870 | static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) |
1871 | { | |
1872 | int (*call)(struct wiphy *wiphy, struct net_device *dev, | |
1873 | struct beacon_parameters *info); | |
4c476991 JB |
1874 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1875 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 JB |
1876 | struct beacon_parameters params; |
1877 | int haveinfo = 0; | |
1878 | ||
f4a11bb0 JB |
1879 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL])) |
1880 | return -EINVAL; | |
1881 | ||
074ac8df | 1882 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
1883 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
1884 | return -EOPNOTSUPP; | |
eec60b03 | 1885 | |
ed1b6cc7 JB |
1886 | switch (info->genlhdr->cmd) { |
1887 | case NL80211_CMD_NEW_BEACON: | |
1888 | /* these are required for NEW_BEACON */ | |
1889 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
1890 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
4c476991 JB |
1891 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) |
1892 | return -EINVAL; | |
ed1b6cc7 | 1893 | |
79c97e97 | 1894 | call = rdev->ops->add_beacon; |
ed1b6cc7 JB |
1895 | break; |
1896 | case NL80211_CMD_SET_BEACON: | |
79c97e97 | 1897 | call = rdev->ops->set_beacon; |
ed1b6cc7 JB |
1898 | break; |
1899 | default: | |
1900 | WARN_ON(1); | |
4c476991 | 1901 | return -EOPNOTSUPP; |
ed1b6cc7 JB |
1902 | } |
1903 | ||
4c476991 JB |
1904 | if (!call) |
1905 | return -EOPNOTSUPP; | |
ed1b6cc7 JB |
1906 | |
1907 | memset(¶ms, 0, sizeof(params)); | |
1908 | ||
1909 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
1910 | params.interval = | |
1911 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
1912 | haveinfo = 1; | |
1913 | } | |
1914 | ||
1915 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
1916 | params.dtim_period = | |
1917 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
1918 | haveinfo = 1; | |
1919 | } | |
1920 | ||
1921 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { | |
1922 | params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
1923 | params.head_len = | |
1924 | nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
1925 | haveinfo = 1; | |
1926 | } | |
1927 | ||
1928 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { | |
1929 | params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
1930 | params.tail_len = | |
1931 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
1932 | haveinfo = 1; | |
1933 | } | |
1934 | ||
4c476991 JB |
1935 | if (!haveinfo) |
1936 | return -EINVAL; | |
3b85875a | 1937 | |
4c476991 | 1938 | return call(&rdev->wiphy, dev, ¶ms); |
ed1b6cc7 JB |
1939 | } |
1940 | ||
1941 | static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) | |
1942 | { | |
4c476991 JB |
1943 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1944 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 1945 | |
4c476991 JB |
1946 | if (!rdev->ops->del_beacon) |
1947 | return -EOPNOTSUPP; | |
ed1b6cc7 | 1948 | |
074ac8df | 1949 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
1950 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
1951 | return -EOPNOTSUPP; | |
3b85875a | 1952 | |
4c476991 | 1953 | return rdev->ops->del_beacon(&rdev->wiphy, dev); |
ed1b6cc7 JB |
1954 | } |
1955 | ||
5727ef1b JB |
1956 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
1957 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
1958 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
1959 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 1960 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 1961 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
5727ef1b JB |
1962 | }; |
1963 | ||
eccb8e8f JB |
1964 | static int parse_station_flags(struct genl_info *info, |
1965 | struct station_parameters *params) | |
5727ef1b JB |
1966 | { |
1967 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 1968 | struct nlattr *nla; |
5727ef1b JB |
1969 | int flag; |
1970 | ||
eccb8e8f JB |
1971 | /* |
1972 | * Try parsing the new attribute first so userspace | |
1973 | * can specify both for older kernels. | |
1974 | */ | |
1975 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
1976 | if (nla) { | |
1977 | struct nl80211_sta_flag_update *sta_flags; | |
1978 | ||
1979 | sta_flags = nla_data(nla); | |
1980 | params->sta_flags_mask = sta_flags->mask; | |
1981 | params->sta_flags_set = sta_flags->set; | |
1982 | if ((params->sta_flags_mask | | |
1983 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
1984 | return -EINVAL; | |
1985 | return 0; | |
1986 | } | |
1987 | ||
1988 | /* if present, parse the old attribute */ | |
5727ef1b | 1989 | |
eccb8e8f | 1990 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
1991 | if (!nla) |
1992 | return 0; | |
1993 | ||
1994 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
1995 | nla, sta_flags_policy)) | |
1996 | return -EINVAL; | |
1997 | ||
eccb8e8f JB |
1998 | params->sta_flags_mask = (1 << __NL80211_STA_FLAG_AFTER_LAST) - 1; |
1999 | params->sta_flags_mask &= ~1; | |
5727ef1b JB |
2000 | |
2001 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) | |
2002 | if (flags[flag]) | |
eccb8e8f | 2003 | params->sta_flags_set |= (1<<flag); |
5727ef1b JB |
2004 | |
2005 | return 0; | |
2006 | } | |
2007 | ||
c8dcfd8a FF |
2008 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
2009 | int attr) | |
2010 | { | |
2011 | struct nlattr *rate; | |
2012 | u16 bitrate; | |
2013 | ||
2014 | rate = nla_nest_start(msg, attr); | |
2015 | if (!rate) | |
2016 | goto nla_put_failure; | |
2017 | ||
2018 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
2019 | bitrate = cfg80211_calculate_bitrate(info); | |
2020 | if (bitrate > 0) | |
2021 | NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate); | |
2022 | ||
2023 | if (info->flags & RATE_INFO_FLAGS_MCS) | |
2024 | NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs); | |
2025 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) | |
2026 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH); | |
2027 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI) | |
2028 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI); | |
2029 | ||
2030 | nla_nest_end(msg, rate); | |
2031 | return true; | |
2032 | ||
2033 | nla_put_failure: | |
2034 | return false; | |
2035 | } | |
2036 | ||
fd5b74dc JB |
2037 | static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, |
2038 | int flags, struct net_device *dev, | |
98b62183 | 2039 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
2040 | { |
2041 | void *hdr; | |
f4263c98 | 2042 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc JB |
2043 | |
2044 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2045 | if (!hdr) | |
2046 | return -1; | |
2047 | ||
2048 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2049 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
2050 | ||
f5ea9120 JB |
2051 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation); |
2052 | ||
2ec600d6 LCC |
2053 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
2054 | if (!sinfoattr) | |
fd5b74dc | 2055 | goto nla_put_failure; |
ebe27c91 MSS |
2056 | if (sinfo->filled & STATION_INFO_CONNECTED_TIME) |
2057 | NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
2058 | sinfo->connected_time); | |
2ec600d6 LCC |
2059 | if (sinfo->filled & STATION_INFO_INACTIVE_TIME) |
2060 | NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
2061 | sinfo->inactive_time); | |
2062 | if (sinfo->filled & STATION_INFO_RX_BYTES) | |
2063 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, | |
2064 | sinfo->rx_bytes); | |
2065 | if (sinfo->filled & STATION_INFO_TX_BYTES) | |
2066 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, | |
2067 | sinfo->tx_bytes); | |
2068 | if (sinfo->filled & STATION_INFO_LLID) | |
2069 | NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, | |
2070 | sinfo->llid); | |
2071 | if (sinfo->filled & STATION_INFO_PLID) | |
2072 | NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, | |
2073 | sinfo->plid); | |
2074 | if (sinfo->filled & STATION_INFO_PLINK_STATE) | |
2075 | NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, | |
2076 | sinfo->plink_state); | |
420e7fab HR |
2077 | if (sinfo->filled & STATION_INFO_SIGNAL) |
2078 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, | |
2079 | sinfo->signal); | |
541a45a1 BR |
2080 | if (sinfo->filled & STATION_INFO_SIGNAL_AVG) |
2081 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
2082 | sinfo->signal_avg); | |
420e7fab | 2083 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
2084 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
2085 | NL80211_STA_INFO_TX_BITRATE)) | |
2086 | goto nla_put_failure; | |
2087 | } | |
2088 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
2089 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
2090 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 2091 | goto nla_put_failure; |
420e7fab | 2092 | } |
98c8a60a JM |
2093 | if (sinfo->filled & STATION_INFO_RX_PACKETS) |
2094 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS, | |
2095 | sinfo->rx_packets); | |
2096 | if (sinfo->filled & STATION_INFO_TX_PACKETS) | |
2097 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS, | |
2098 | sinfo->tx_packets); | |
b206b4ef BR |
2099 | if (sinfo->filled & STATION_INFO_TX_RETRIES) |
2100 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES, | |
2101 | sinfo->tx_retries); | |
2102 | if (sinfo->filled & STATION_INFO_TX_FAILED) | |
2103 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED, | |
2104 | sinfo->tx_failed); | |
f4263c98 PS |
2105 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
2106 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
2107 | if (!bss_param) | |
2108 | goto nla_put_failure; | |
2109 | ||
2110 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) | |
2111 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT); | |
2112 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) | |
2113 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE); | |
2114 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) | |
2115 | NLA_PUT_FLAG(msg, | |
2116 | NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME); | |
2117 | NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
2118 | sinfo->bss_param.dtim_period); | |
2119 | NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
2120 | sinfo->bss_param.beacon_interval); | |
2121 | ||
2122 | nla_nest_end(msg, bss_param); | |
2123 | } | |
2ec600d6 | 2124 | nla_nest_end(msg, sinfoattr); |
fd5b74dc JB |
2125 | |
2126 | return genlmsg_end(msg, hdr); | |
2127 | ||
2128 | nla_put_failure: | |
bc3ed28c TG |
2129 | genlmsg_cancel(msg, hdr); |
2130 | return -EMSGSIZE; | |
fd5b74dc JB |
2131 | } |
2132 | ||
2ec600d6 | 2133 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 2134 | struct netlink_callback *cb) |
2ec600d6 | 2135 | { |
2ec600d6 LCC |
2136 | struct station_info sinfo; |
2137 | struct cfg80211_registered_device *dev; | |
bba95fef | 2138 | struct net_device *netdev; |
2ec600d6 | 2139 | u8 mac_addr[ETH_ALEN]; |
bba95fef | 2140 | int sta_idx = cb->args[1]; |
2ec600d6 | 2141 | int err; |
2ec600d6 | 2142 | |
67748893 JB |
2143 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2144 | if (err) | |
2145 | return err; | |
bba95fef JB |
2146 | |
2147 | if (!dev->ops->dump_station) { | |
eec60b03 | 2148 | err = -EOPNOTSUPP; |
bba95fef JB |
2149 | goto out_err; |
2150 | } | |
2151 | ||
bba95fef JB |
2152 | while (1) { |
2153 | err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, | |
2154 | mac_addr, &sinfo); | |
2155 | if (err == -ENOENT) | |
2156 | break; | |
2157 | if (err) | |
3b85875a | 2158 | goto out_err; |
bba95fef JB |
2159 | |
2160 | if (nl80211_send_station(skb, | |
2161 | NETLINK_CB(cb->skb).pid, | |
2162 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2163 | netdev, mac_addr, | |
2164 | &sinfo) < 0) | |
2165 | goto out; | |
2166 | ||
2167 | sta_idx++; | |
2168 | } | |
2169 | ||
2170 | ||
2171 | out: | |
2172 | cb->args[1] = sta_idx; | |
2173 | err = skb->len; | |
bba95fef | 2174 | out_err: |
67748893 | 2175 | nl80211_finish_netdev_dump(dev); |
bba95fef JB |
2176 | |
2177 | return err; | |
2ec600d6 | 2178 | } |
fd5b74dc | 2179 | |
5727ef1b JB |
2180 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
2181 | { | |
4c476991 JB |
2182 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2183 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 2184 | struct station_info sinfo; |
fd5b74dc JB |
2185 | struct sk_buff *msg; |
2186 | u8 *mac_addr = NULL; | |
4c476991 | 2187 | int err; |
fd5b74dc | 2188 | |
2ec600d6 | 2189 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
2190 | |
2191 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2192 | return -EINVAL; | |
2193 | ||
2194 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2195 | ||
4c476991 JB |
2196 | if (!rdev->ops->get_station) |
2197 | return -EOPNOTSUPP; | |
3b85875a | 2198 | |
4c476991 | 2199 | err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo); |
fd5b74dc | 2200 | if (err) |
4c476991 | 2201 | return err; |
2ec600d6 | 2202 | |
fd2120ca | 2203 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 2204 | if (!msg) |
4c476991 | 2205 | return -ENOMEM; |
fd5b74dc JB |
2206 | |
2207 | if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
2208 | dev, mac_addr, &sinfo) < 0) { |
2209 | nlmsg_free(msg); | |
2210 | return -ENOBUFS; | |
2211 | } | |
3b85875a | 2212 | |
4c476991 | 2213 | return genlmsg_reply(msg, info); |
5727ef1b JB |
2214 | } |
2215 | ||
2216 | /* | |
c258d2de | 2217 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 2218 | */ |
463d0183 | 2219 | static int get_vlan(struct genl_info *info, |
5727ef1b JB |
2220 | struct cfg80211_registered_device *rdev, |
2221 | struct net_device **vlan) | |
2222 | { | |
463d0183 | 2223 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
5727ef1b JB |
2224 | *vlan = NULL; |
2225 | ||
2226 | if (vlanattr) { | |
463d0183 JB |
2227 | *vlan = dev_get_by_index(genl_info_net(info), |
2228 | nla_get_u32(vlanattr)); | |
5727ef1b JB |
2229 | if (!*vlan) |
2230 | return -ENODEV; | |
2231 | if (!(*vlan)->ieee80211_ptr) | |
2232 | return -EINVAL; | |
2233 | if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) | |
2234 | return -EINVAL; | |
c258d2de FF |
2235 | if (!netif_running(*vlan)) |
2236 | return -ENETDOWN; | |
5727ef1b JB |
2237 | } |
2238 | return 0; | |
2239 | } | |
2240 | ||
2241 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) | |
2242 | { | |
4c476991 | 2243 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2244 | int err; |
4c476991 | 2245 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2246 | struct station_parameters params; |
2247 | u8 *mac_addr = NULL; | |
2248 | ||
2249 | memset(¶ms, 0, sizeof(params)); | |
2250 | ||
2251 | params.listen_interval = -1; | |
9c3990aa | 2252 | params.plink_state = PLINK_INVALID; |
5727ef1b JB |
2253 | |
2254 | if (info->attrs[NL80211_ATTR_STA_AID]) | |
2255 | return -EINVAL; | |
2256 | ||
2257 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2258 | return -EINVAL; | |
2259 | ||
2260 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2261 | ||
2262 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
2263 | params.supported_rates = | |
2264 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2265 | params.supported_rates_len = | |
2266 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2267 | } | |
2268 | ||
2269 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
2270 | params.listen_interval = | |
2271 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
2272 | ||
36aedc90 JM |
2273 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2274 | params.ht_capa = | |
2275 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
2276 | ||
eccb8e8f | 2277 | if (parse_station_flags(info, ¶ms)) |
5727ef1b JB |
2278 | return -EINVAL; |
2279 | ||
2ec600d6 LCC |
2280 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2281 | params.plink_action = | |
2282 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2283 | ||
9c3990aa JC |
2284 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) |
2285 | params.plink_state = | |
2286 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); | |
2287 | ||
463d0183 | 2288 | err = get_vlan(info, rdev, ¶ms.vlan); |
a97f4424 | 2289 | if (err) |
034d655e | 2290 | goto out; |
a97f4424 JB |
2291 | |
2292 | /* validate settings */ | |
2293 | err = 0; | |
2294 | ||
2295 | switch (dev->ieee80211_ptr->iftype) { | |
2296 | case NL80211_IFTYPE_AP: | |
2297 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 2298 | case NL80211_IFTYPE_P2P_GO: |
a97f4424 JB |
2299 | /* disallow mesh-specific things */ |
2300 | if (params.plink_action) | |
2301 | err = -EINVAL; | |
2302 | break; | |
074ac8df | 2303 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 JB |
2304 | case NL80211_IFTYPE_STATION: |
2305 | /* disallow everything but AUTHORIZED flag */ | |
2306 | if (params.plink_action) | |
2307 | err = -EINVAL; | |
2308 | if (params.vlan) | |
2309 | err = -EINVAL; | |
2310 | if (params.supported_rates) | |
2311 | err = -EINVAL; | |
2312 | if (params.ht_capa) | |
2313 | err = -EINVAL; | |
2314 | if (params.listen_interval >= 0) | |
2315 | err = -EINVAL; | |
2316 | if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
2317 | err = -EINVAL; | |
2318 | break; | |
2319 | case NL80211_IFTYPE_MESH_POINT: | |
2320 | /* disallow things mesh doesn't support */ | |
2321 | if (params.vlan) | |
2322 | err = -EINVAL; | |
2323 | if (params.ht_capa) | |
2324 | err = -EINVAL; | |
2325 | if (params.listen_interval >= 0) | |
2326 | err = -EINVAL; | |
b39c48fa JC |
2327 | if (params.sta_flags_mask & |
2328 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
8429828e | 2329 | BIT(NL80211_STA_FLAG_MFP) | |
b39c48fa | 2330 | BIT(NL80211_STA_FLAG_AUTHORIZED))) |
a97f4424 JB |
2331 | err = -EINVAL; |
2332 | break; | |
2333 | default: | |
2334 | err = -EINVAL; | |
034d655e JB |
2335 | } |
2336 | ||
5727ef1b JB |
2337 | if (err) |
2338 | goto out; | |
2339 | ||
79c97e97 | 2340 | if (!rdev->ops->change_station) { |
5727ef1b JB |
2341 | err = -EOPNOTSUPP; |
2342 | goto out; | |
2343 | } | |
2344 | ||
79c97e97 | 2345 | err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b JB |
2346 | |
2347 | out: | |
2348 | if (params.vlan) | |
2349 | dev_put(params.vlan); | |
3b85875a | 2350 | |
5727ef1b JB |
2351 | return err; |
2352 | } | |
2353 | ||
2354 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
2355 | { | |
4c476991 | 2356 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2357 | int err; |
4c476991 | 2358 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2359 | struct station_parameters params; |
2360 | u8 *mac_addr = NULL; | |
2361 | ||
2362 | memset(¶ms, 0, sizeof(params)); | |
2363 | ||
2364 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2365 | return -EINVAL; | |
2366 | ||
5727ef1b JB |
2367 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
2368 | return -EINVAL; | |
2369 | ||
2370 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
2371 | return -EINVAL; | |
2372 | ||
0e956c13 TLSC |
2373 | if (!info->attrs[NL80211_ATTR_STA_AID]) |
2374 | return -EINVAL; | |
2375 | ||
5727ef1b JB |
2376 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
2377 | params.supported_rates = | |
2378 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2379 | params.supported_rates_len = | |
2380 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2381 | params.listen_interval = | |
2382 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 2383 | |
0e956c13 TLSC |
2384 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
2385 | if (!params.aid || params.aid > IEEE80211_MAX_AID) | |
2386 | return -EINVAL; | |
51b50fbe | 2387 | |
36aedc90 JM |
2388 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2389 | params.ht_capa = | |
2390 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 2391 | |
96b78dff JC |
2392 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2393 | params.plink_action = | |
2394 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2395 | ||
eccb8e8f | 2396 | if (parse_station_flags(info, ¶ms)) |
5727ef1b JB |
2397 | return -EINVAL; |
2398 | ||
0e956c13 | 2399 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
074ac8df | 2400 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
96b78dff | 2401 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
2402 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2403 | return -EINVAL; | |
0e956c13 | 2404 | |
463d0183 | 2405 | err = get_vlan(info, rdev, ¶ms.vlan); |
a97f4424 | 2406 | if (err) |
e80cf853 | 2407 | goto out; |
a97f4424 JB |
2408 | |
2409 | /* validate settings */ | |
2410 | err = 0; | |
2411 | ||
79c97e97 | 2412 | if (!rdev->ops->add_station) { |
5727ef1b JB |
2413 | err = -EOPNOTSUPP; |
2414 | goto out; | |
2415 | } | |
2416 | ||
79c97e97 | 2417 | err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b JB |
2418 | |
2419 | out: | |
2420 | if (params.vlan) | |
2421 | dev_put(params.vlan); | |
5727ef1b JB |
2422 | return err; |
2423 | } | |
2424 | ||
2425 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
2426 | { | |
4c476991 JB |
2427 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2428 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
2429 | u8 *mac_addr = NULL; |
2430 | ||
2431 | if (info->attrs[NL80211_ATTR_MAC]) | |
2432 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2433 | ||
e80cf853 | 2434 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 2435 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 2436 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
2437 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2438 | return -EINVAL; | |
5727ef1b | 2439 | |
4c476991 JB |
2440 | if (!rdev->ops->del_station) |
2441 | return -EOPNOTSUPP; | |
3b85875a | 2442 | |
4c476991 | 2443 | return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); |
5727ef1b JB |
2444 | } |
2445 | ||
2ec600d6 LCC |
2446 | static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, |
2447 | int flags, struct net_device *dev, | |
2448 | u8 *dst, u8 *next_hop, | |
2449 | struct mpath_info *pinfo) | |
2450 | { | |
2451 | void *hdr; | |
2452 | struct nlattr *pinfoattr; | |
2453 | ||
2454 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2455 | if (!hdr) | |
2456 | return -1; | |
2457 | ||
2458 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2459 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
2460 | NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); | |
2461 | ||
f5ea9120 JB |
2462 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation); |
2463 | ||
2ec600d6 LCC |
2464 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
2465 | if (!pinfoattr) | |
2466 | goto nla_put_failure; | |
2467 | if (pinfo->filled & MPATH_INFO_FRAME_QLEN) | |
2468 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
2469 | pinfo->frame_qlen); | |
d19b3bf6 RP |
2470 | if (pinfo->filled & MPATH_INFO_SN) |
2471 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN, | |
2472 | pinfo->sn); | |
2ec600d6 LCC |
2473 | if (pinfo->filled & MPATH_INFO_METRIC) |
2474 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, | |
2475 | pinfo->metric); | |
2476 | if (pinfo->filled & MPATH_INFO_EXPTIME) | |
2477 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, | |
2478 | pinfo->exptime); | |
2479 | if (pinfo->filled & MPATH_INFO_FLAGS) | |
2480 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, | |
2481 | pinfo->flags); | |
2482 | if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) | |
2483 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
2484 | pinfo->discovery_timeout); | |
2485 | if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) | |
2486 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
2487 | pinfo->discovery_retries); | |
2488 | ||
2489 | nla_nest_end(msg, pinfoattr); | |
2490 | ||
2491 | return genlmsg_end(msg, hdr); | |
2492 | ||
2493 | nla_put_failure: | |
bc3ed28c TG |
2494 | genlmsg_cancel(msg, hdr); |
2495 | return -EMSGSIZE; | |
2ec600d6 LCC |
2496 | } |
2497 | ||
2498 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 2499 | struct netlink_callback *cb) |
2ec600d6 | 2500 | { |
2ec600d6 LCC |
2501 | struct mpath_info pinfo; |
2502 | struct cfg80211_registered_device *dev; | |
bba95fef | 2503 | struct net_device *netdev; |
2ec600d6 LCC |
2504 | u8 dst[ETH_ALEN]; |
2505 | u8 next_hop[ETH_ALEN]; | |
bba95fef | 2506 | int path_idx = cb->args[1]; |
2ec600d6 | 2507 | int err; |
2ec600d6 | 2508 | |
67748893 JB |
2509 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2510 | if (err) | |
2511 | return err; | |
bba95fef JB |
2512 | |
2513 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 2514 | err = -EOPNOTSUPP; |
bba95fef JB |
2515 | goto out_err; |
2516 | } | |
2517 | ||
eec60b03 JM |
2518 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { |
2519 | err = -EOPNOTSUPP; | |
0448b5fc | 2520 | goto out_err; |
eec60b03 JM |
2521 | } |
2522 | ||
bba95fef JB |
2523 | while (1) { |
2524 | err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, | |
2525 | dst, next_hop, &pinfo); | |
2526 | if (err == -ENOENT) | |
2ec600d6 | 2527 | break; |
bba95fef | 2528 | if (err) |
3b85875a | 2529 | goto out_err; |
2ec600d6 | 2530 | |
bba95fef JB |
2531 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, |
2532 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2533 | netdev, dst, next_hop, | |
2534 | &pinfo) < 0) | |
2535 | goto out; | |
2ec600d6 | 2536 | |
bba95fef | 2537 | path_idx++; |
2ec600d6 | 2538 | } |
2ec600d6 | 2539 | |
2ec600d6 | 2540 | |
bba95fef JB |
2541 | out: |
2542 | cb->args[1] = path_idx; | |
2543 | err = skb->len; | |
bba95fef | 2544 | out_err: |
67748893 | 2545 | nl80211_finish_netdev_dump(dev); |
bba95fef | 2546 | return err; |
2ec600d6 LCC |
2547 | } |
2548 | ||
2549 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
2550 | { | |
4c476991 | 2551 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2552 | int err; |
4c476991 | 2553 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
2554 | struct mpath_info pinfo; |
2555 | struct sk_buff *msg; | |
2556 | u8 *dst = NULL; | |
2557 | u8 next_hop[ETH_ALEN]; | |
2558 | ||
2559 | memset(&pinfo, 0, sizeof(pinfo)); | |
2560 | ||
2561 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2562 | return -EINVAL; | |
2563 | ||
2564 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2565 | ||
4c476991 JB |
2566 | if (!rdev->ops->get_mpath) |
2567 | return -EOPNOTSUPP; | |
2ec600d6 | 2568 | |
4c476991 JB |
2569 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2570 | return -EOPNOTSUPP; | |
eec60b03 | 2571 | |
79c97e97 | 2572 | err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo); |
2ec600d6 | 2573 | if (err) |
4c476991 | 2574 | return err; |
2ec600d6 | 2575 | |
fd2120ca | 2576 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 2577 | if (!msg) |
4c476991 | 2578 | return -ENOMEM; |
2ec600d6 LCC |
2579 | |
2580 | if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
2581 | dev, dst, next_hop, &pinfo) < 0) { |
2582 | nlmsg_free(msg); | |
2583 | return -ENOBUFS; | |
2584 | } | |
3b85875a | 2585 | |
4c476991 | 2586 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
2587 | } |
2588 | ||
2589 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
2590 | { | |
4c476991 JB |
2591 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2592 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2593 | u8 *dst = NULL; |
2594 | u8 *next_hop = NULL; | |
2595 | ||
2596 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2597 | return -EINVAL; | |
2598 | ||
2599 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
2600 | return -EINVAL; | |
2601 | ||
2602 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2603 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
2604 | ||
4c476991 JB |
2605 | if (!rdev->ops->change_mpath) |
2606 | return -EOPNOTSUPP; | |
35a8efe1 | 2607 | |
4c476991 JB |
2608 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2609 | return -EOPNOTSUPP; | |
2ec600d6 | 2610 | |
4c476991 | 2611 | return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 | 2612 | } |
4c476991 | 2613 | |
2ec600d6 LCC |
2614 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
2615 | { | |
4c476991 JB |
2616 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2617 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2618 | u8 *dst = NULL; |
2619 | u8 *next_hop = NULL; | |
2620 | ||
2621 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2622 | return -EINVAL; | |
2623 | ||
2624 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
2625 | return -EINVAL; | |
2626 | ||
2627 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2628 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
2629 | ||
4c476991 JB |
2630 | if (!rdev->ops->add_mpath) |
2631 | return -EOPNOTSUPP; | |
35a8efe1 | 2632 | |
4c476991 JB |
2633 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2634 | return -EOPNOTSUPP; | |
2ec600d6 | 2635 | |
4c476991 | 2636 | return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 LCC |
2637 | } |
2638 | ||
2639 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
2640 | { | |
4c476991 JB |
2641 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2642 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2643 | u8 *dst = NULL; |
2644 | ||
2645 | if (info->attrs[NL80211_ATTR_MAC]) | |
2646 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2647 | ||
4c476991 JB |
2648 | if (!rdev->ops->del_mpath) |
2649 | return -EOPNOTSUPP; | |
3b85875a | 2650 | |
4c476991 | 2651 | return rdev->ops->del_mpath(&rdev->wiphy, dev, dst); |
2ec600d6 LCC |
2652 | } |
2653 | ||
9f1ba906 JM |
2654 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
2655 | { | |
4c476991 JB |
2656 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2657 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
2658 | struct bss_parameters params; |
2659 | ||
2660 | memset(¶ms, 0, sizeof(params)); | |
2661 | /* default to not changing parameters */ | |
2662 | params.use_cts_prot = -1; | |
2663 | params.use_short_preamble = -1; | |
2664 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 2665 | params.ap_isolate = -1; |
50b12f59 | 2666 | params.ht_opmode = -1; |
9f1ba906 JM |
2667 | |
2668 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
2669 | params.use_cts_prot = | |
2670 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
2671 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
2672 | params.use_short_preamble = | |
2673 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
2674 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
2675 | params.use_short_slot_time = | |
2676 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
2677 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
2678 | params.basic_rates = | |
2679 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
2680 | params.basic_rates_len = | |
2681 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
2682 | } | |
fd8aaaf3 FF |
2683 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
2684 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
2685 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
2686 | params.ht_opmode = | |
2687 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 2688 | |
4c476991 JB |
2689 | if (!rdev->ops->change_bss) |
2690 | return -EOPNOTSUPP; | |
9f1ba906 | 2691 | |
074ac8df | 2692 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2693 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2694 | return -EOPNOTSUPP; | |
3b85875a | 2695 | |
4c476991 | 2696 | return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms); |
9f1ba906 JM |
2697 | } |
2698 | ||
b54452b0 | 2699 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
2700 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
2701 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
2702 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
2703 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
2704 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
2705 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
2706 | }; | |
2707 | ||
2708 | static int parse_reg_rule(struct nlattr *tb[], | |
2709 | struct ieee80211_reg_rule *reg_rule) | |
2710 | { | |
2711 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
2712 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
2713 | ||
2714 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
2715 | return -EINVAL; | |
2716 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
2717 | return -EINVAL; | |
2718 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
2719 | return -EINVAL; | |
2720 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
2721 | return -EINVAL; | |
2722 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
2723 | return -EINVAL; | |
2724 | ||
2725 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
2726 | ||
2727 | freq_range->start_freq_khz = | |
2728 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
2729 | freq_range->end_freq_khz = | |
2730 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
2731 | freq_range->max_bandwidth_khz = | |
2732 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
2733 | ||
2734 | power_rule->max_eirp = | |
2735 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
2736 | ||
2737 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
2738 | power_rule->max_antenna_gain = | |
2739 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
2740 | ||
2741 | return 0; | |
2742 | } | |
2743 | ||
2744 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
2745 | { | |
2746 | int r; | |
2747 | char *data = NULL; | |
2748 | ||
80778f18 LR |
2749 | /* |
2750 | * You should only get this when cfg80211 hasn't yet initialized | |
2751 | * completely when built-in to the kernel right between the time | |
2752 | * window between nl80211_init() and regulatory_init(), if that is | |
2753 | * even possible. | |
2754 | */ | |
2755 | mutex_lock(&cfg80211_mutex); | |
2756 | if (unlikely(!cfg80211_regdomain)) { | |
fe33eb39 LR |
2757 | mutex_unlock(&cfg80211_mutex); |
2758 | return -EINPROGRESS; | |
80778f18 | 2759 | } |
fe33eb39 | 2760 | mutex_unlock(&cfg80211_mutex); |
80778f18 | 2761 | |
fe33eb39 LR |
2762 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
2763 | return -EINVAL; | |
b2e1b302 LR |
2764 | |
2765 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
2766 | ||
fe33eb39 LR |
2767 | r = regulatory_hint_user(data); |
2768 | ||
b2e1b302 LR |
2769 | return r; |
2770 | } | |
2771 | ||
24bdd9f4 | 2772 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 2773 | struct genl_info *info) |
93da9cc1 | 2774 | { |
4c476991 | 2775 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 2776 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
2777 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2778 | struct mesh_config cur_params; | |
2779 | int err = 0; | |
93da9cc1 | 2780 | void *hdr; |
2781 | struct nlattr *pinfoattr; | |
2782 | struct sk_buff *msg; | |
2783 | ||
29cbe68c JB |
2784 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
2785 | return -EOPNOTSUPP; | |
2786 | ||
24bdd9f4 | 2787 | if (!rdev->ops->get_mesh_config) |
4c476991 | 2788 | return -EOPNOTSUPP; |
f3f92586 | 2789 | |
29cbe68c JB |
2790 | wdev_lock(wdev); |
2791 | /* If not connected, get default parameters */ | |
2792 | if (!wdev->mesh_id_len) | |
2793 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
2794 | else | |
24bdd9f4 | 2795 | err = rdev->ops->get_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
2796 | &cur_params); |
2797 | wdev_unlock(wdev); | |
2798 | ||
93da9cc1 | 2799 | if (err) |
4c476991 | 2800 | return err; |
93da9cc1 | 2801 | |
2802 | /* Draw up a netlink message to send back */ | |
fd2120ca | 2803 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2804 | if (!msg) |
2805 | return -ENOMEM; | |
93da9cc1 | 2806 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
24bdd9f4 | 2807 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 2808 | if (!hdr) |
efe1cf0c | 2809 | goto out; |
24bdd9f4 | 2810 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 2811 | if (!pinfoattr) |
2812 | goto nla_put_failure; | |
2813 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2814 | NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
2815 | cur_params.dot11MeshRetryTimeout); | |
2816 | NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
2817 | cur_params.dot11MeshConfirmTimeout); | |
2818 | NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
2819 | cur_params.dot11MeshHoldingTimeout); | |
2820 | NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
2821 | cur_params.dot11MeshMaxPeerLinks); | |
2822 | NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
2823 | cur_params.dot11MeshMaxRetries); | |
2824 | NLA_PUT_U8(msg, NL80211_MESHCONF_TTL, | |
2825 | cur_params.dot11MeshTTL); | |
45904f21 JC |
2826 | NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL, |
2827 | cur_params.element_ttl); | |
93da9cc1 | 2828 | NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
2829 | cur_params.auto_open_plinks); | |
2830 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
2831 | cur_params.dot11MeshHWMPmaxPREQretries); | |
2832 | NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
2833 | cur_params.path_refresh_time); | |
2834 | NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
2835 | cur_params.min_discovery_timeout); | |
2836 | NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
2837 | cur_params.dot11MeshHWMPactivePathTimeout); | |
2838 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
2839 | cur_params.dot11MeshHWMPpreqMinInterval); | |
2840 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
2841 | cur_params.dot11MeshHWMPnetDiameterTraversalTime); | |
63c5723b RP |
2842 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, |
2843 | cur_params.dot11MeshHWMPRootMode); | |
93da9cc1 | 2844 | nla_nest_end(msg, pinfoattr); |
2845 | genlmsg_end(msg, hdr); | |
4c476991 | 2846 | return genlmsg_reply(msg, info); |
93da9cc1 | 2847 | |
3b85875a | 2848 | nla_put_failure: |
93da9cc1 | 2849 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 2850 | out: |
d080e275 | 2851 | nlmsg_free(msg); |
4c476991 | 2852 | return -ENOBUFS; |
93da9cc1 | 2853 | } |
2854 | ||
b54452b0 | 2855 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 2856 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
2857 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
2858 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
2859 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
2860 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
2861 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 2862 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 2863 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
2864 | ||
2865 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, | |
2866 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
2867 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
2868 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
2869 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
2870 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, | |
2871 | }; | |
2872 | ||
c80d545d JC |
2873 | static const struct nla_policy |
2874 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
2875 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, | |
2876 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 2877 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
581a8b0f | 2878 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
c80d545d | 2879 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 2880 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
2881 | }; |
2882 | ||
24bdd9f4 | 2883 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
2884 | struct mesh_config *cfg, |
2885 | u32 *mask_out) | |
93da9cc1 | 2886 | { |
93da9cc1 | 2887 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 2888 | u32 mask = 0; |
93da9cc1 | 2889 | |
bd90fdcc JB |
2890 | #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ |
2891 | do {\ | |
2892 | if (table[attr_num]) {\ | |
2893 | cfg->param = nla_fn(table[attr_num]); \ | |
2894 | mask |= (1 << (attr_num - 1)); \ | |
2895 | } \ | |
2896 | } while (0);\ | |
2897 | ||
2898 | ||
24bdd9f4 | 2899 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 2900 | return -EINVAL; |
2901 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 2902 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 2903 | nl80211_meshconf_params_policy)) |
93da9cc1 | 2904 | return -EINVAL; |
2905 | ||
93da9cc1 | 2906 | /* This makes sure that there aren't more than 32 mesh config |
2907 | * parameters (otherwise our bitfield scheme would not work.) */ | |
2908 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
2909 | ||
2910 | /* Fill in the params struct */ | |
93da9cc1 | 2911 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, |
2912 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); | |
2913 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, | |
2914 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16); | |
2915 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, | |
2916 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16); | |
2917 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, | |
2918 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16); | |
2919 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, | |
2920 | mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); | |
2921 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, | |
2922 | mask, NL80211_MESHCONF_TTL, nla_get_u8); | |
45904f21 JC |
2923 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, |
2924 | mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); | |
93da9cc1 | 2925 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, |
2926 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); | |
2927 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, | |
2928 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
2929 | nla_get_u8); | |
2930 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, | |
2931 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32); | |
2932 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, | |
2933 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
2934 | nla_get_u16); | |
2935 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, | |
2936 | mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
2937 | nla_get_u32); | |
2938 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, | |
2939 | mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
2940 | nla_get_u16); | |
2941 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
2942 | dot11MeshHWMPnetDiameterTraversalTime, | |
2943 | mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
2944 | nla_get_u16); | |
63c5723b RP |
2945 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
2946 | dot11MeshHWMPRootMode, mask, | |
2947 | NL80211_MESHCONF_HWMP_ROOTMODE, | |
2948 | nla_get_u8); | |
bd90fdcc JB |
2949 | if (mask_out) |
2950 | *mask_out = mask; | |
c80d545d | 2951 | |
bd90fdcc JB |
2952 | return 0; |
2953 | ||
2954 | #undef FILL_IN_MESH_PARAM_IF_SET | |
2955 | } | |
2956 | ||
c80d545d JC |
2957 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
2958 | struct mesh_setup *setup) | |
2959 | { | |
2960 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; | |
2961 | ||
2962 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
2963 | return -EINVAL; | |
2964 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
2965 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
2966 | nl80211_mesh_setup_params_policy)) | |
2967 | return -EINVAL; | |
2968 | ||
2969 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) | |
2970 | setup->path_sel_proto = | |
2971 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
2972 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
2973 | IEEE80211_PATH_PROTOCOL_HWMP; | |
2974 | ||
2975 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
2976 | setup->path_metric = | |
2977 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
2978 | IEEE80211_PATH_METRIC_VENDOR : | |
2979 | IEEE80211_PATH_METRIC_AIRTIME; | |
2980 | ||
581a8b0f JC |
2981 | |
2982 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 2983 | struct nlattr *ieattr = |
581a8b0f | 2984 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
2985 | if (!is_valid_ie_attr(ieattr)) |
2986 | return -EINVAL; | |
581a8b0f JC |
2987 | setup->ie = nla_data(ieattr); |
2988 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 2989 | } |
b130e5ce JC |
2990 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
2991 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
c80d545d JC |
2992 | |
2993 | return 0; | |
2994 | } | |
2995 | ||
24bdd9f4 | 2996 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 2997 | struct genl_info *info) |
bd90fdcc JB |
2998 | { |
2999 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3000 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 3001 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
3002 | struct mesh_config cfg; |
3003 | u32 mask; | |
3004 | int err; | |
3005 | ||
29cbe68c JB |
3006 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3007 | return -EOPNOTSUPP; | |
3008 | ||
24bdd9f4 | 3009 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
3010 | return -EOPNOTSUPP; |
3011 | ||
24bdd9f4 | 3012 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
3013 | if (err) |
3014 | return err; | |
3015 | ||
29cbe68c JB |
3016 | wdev_lock(wdev); |
3017 | if (!wdev->mesh_id_len) | |
3018 | err = -ENOLINK; | |
3019 | ||
3020 | if (!err) | |
24bdd9f4 | 3021 | err = rdev->ops->update_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
3022 | mask, &cfg); |
3023 | ||
3024 | wdev_unlock(wdev); | |
3025 | ||
3026 | return err; | |
93da9cc1 | 3027 | } |
3028 | ||
f130347c LR |
3029 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
3030 | { | |
3031 | struct sk_buff *msg; | |
3032 | void *hdr = NULL; | |
3033 | struct nlattr *nl_reg_rules; | |
3034 | unsigned int i; | |
3035 | int err = -EINVAL; | |
3036 | ||
a1794390 | 3037 | mutex_lock(&cfg80211_mutex); |
f130347c LR |
3038 | |
3039 | if (!cfg80211_regdomain) | |
3040 | goto out; | |
3041 | ||
fd2120ca | 3042 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
f130347c LR |
3043 | if (!msg) { |
3044 | err = -ENOBUFS; | |
3045 | goto out; | |
3046 | } | |
3047 | ||
3048 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
3049 | NL80211_CMD_GET_REG); | |
3050 | if (!hdr) | |
efe1cf0c | 3051 | goto put_failure; |
f130347c LR |
3052 | |
3053 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, | |
3054 | cfg80211_regdomain->alpha2); | |
3055 | ||
3056 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); | |
3057 | if (!nl_reg_rules) | |
3058 | goto nla_put_failure; | |
3059 | ||
3060 | for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) { | |
3061 | struct nlattr *nl_reg_rule; | |
3062 | const struct ieee80211_reg_rule *reg_rule; | |
3063 | const struct ieee80211_freq_range *freq_range; | |
3064 | const struct ieee80211_power_rule *power_rule; | |
3065 | ||
3066 | reg_rule = &cfg80211_regdomain->reg_rules[i]; | |
3067 | freq_range = ®_rule->freq_range; | |
3068 | power_rule = ®_rule->power_rule; | |
3069 | ||
3070 | nl_reg_rule = nla_nest_start(msg, i); | |
3071 | if (!nl_reg_rule) | |
3072 | goto nla_put_failure; | |
3073 | ||
3074 | NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS, | |
3075 | reg_rule->flags); | |
3076 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
3077 | freq_range->start_freq_khz); | |
3078 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
3079 | freq_range->end_freq_khz); | |
3080 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
3081 | freq_range->max_bandwidth_khz); | |
3082 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
3083 | power_rule->max_antenna_gain); | |
3084 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
3085 | power_rule->max_eirp); | |
3086 | ||
3087 | nla_nest_end(msg, nl_reg_rule); | |
3088 | } | |
3089 | ||
3090 | nla_nest_end(msg, nl_reg_rules); | |
3091 | ||
3092 | genlmsg_end(msg, hdr); | |
134e6375 | 3093 | err = genlmsg_reply(msg, info); |
f130347c LR |
3094 | goto out; |
3095 | ||
3096 | nla_put_failure: | |
3097 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 3098 | put_failure: |
d080e275 | 3099 | nlmsg_free(msg); |
f130347c LR |
3100 | err = -EMSGSIZE; |
3101 | out: | |
a1794390 | 3102 | mutex_unlock(&cfg80211_mutex); |
f130347c LR |
3103 | return err; |
3104 | } | |
3105 | ||
b2e1b302 LR |
3106 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
3107 | { | |
3108 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
3109 | struct nlattr *nl_reg_rule; | |
3110 | char *alpha2 = NULL; | |
3111 | int rem_reg_rules = 0, r = 0; | |
3112 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
3113 | struct ieee80211_regdomain *rd = NULL; | |
3114 | ||
3115 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
3116 | return -EINVAL; | |
3117 | ||
3118 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
3119 | return -EINVAL; | |
3120 | ||
3121 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
3122 | ||
3123 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], | |
3124 | rem_reg_rules) { | |
3125 | num_rules++; | |
3126 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 3127 | return -EINVAL; |
b2e1b302 LR |
3128 | } |
3129 | ||
61405e97 LR |
3130 | mutex_lock(&cfg80211_mutex); |
3131 | ||
d0e18f83 LR |
3132 | if (!reg_is_valid_request(alpha2)) { |
3133 | r = -EINVAL; | |
3134 | goto bad_reg; | |
3135 | } | |
b2e1b302 LR |
3136 | |
3137 | size_of_regd = sizeof(struct ieee80211_regdomain) + | |
3138 | (num_rules * sizeof(struct ieee80211_reg_rule)); | |
3139 | ||
3140 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
d0e18f83 LR |
3141 | if (!rd) { |
3142 | r = -ENOMEM; | |
3143 | goto bad_reg; | |
3144 | } | |
b2e1b302 LR |
3145 | |
3146 | rd->n_reg_rules = num_rules; | |
3147 | rd->alpha2[0] = alpha2[0]; | |
3148 | rd->alpha2[1] = alpha2[1]; | |
3149 | ||
3150 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], | |
3151 | rem_reg_rules) { | |
3152 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, | |
3153 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
3154 | reg_rule_policy); | |
3155 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); | |
3156 | if (r) | |
3157 | goto bad_reg; | |
3158 | ||
3159 | rule_idx++; | |
3160 | ||
d0e18f83 LR |
3161 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
3162 | r = -EINVAL; | |
b2e1b302 | 3163 | goto bad_reg; |
d0e18f83 | 3164 | } |
b2e1b302 LR |
3165 | } |
3166 | ||
3167 | BUG_ON(rule_idx != num_rules); | |
3168 | ||
b2e1b302 | 3169 | r = set_regdom(rd); |
61405e97 | 3170 | |
a1794390 | 3171 | mutex_unlock(&cfg80211_mutex); |
d0e18f83 | 3172 | |
b2e1b302 LR |
3173 | return r; |
3174 | ||
d2372b31 | 3175 | bad_reg: |
61405e97 | 3176 | mutex_unlock(&cfg80211_mutex); |
b2e1b302 | 3177 | kfree(rd); |
d0e18f83 | 3178 | return r; |
b2e1b302 LR |
3179 | } |
3180 | ||
83f5e2cf JB |
3181 | static int validate_scan_freqs(struct nlattr *freqs) |
3182 | { | |
3183 | struct nlattr *attr1, *attr2; | |
3184 | int n_channels = 0, tmp1, tmp2; | |
3185 | ||
3186 | nla_for_each_nested(attr1, freqs, tmp1) { | |
3187 | n_channels++; | |
3188 | /* | |
3189 | * Some hardware has a limited channel list for | |
3190 | * scanning, and it is pretty much nonsensical | |
3191 | * to scan for a channel twice, so disallow that | |
3192 | * and don't require drivers to check that the | |
3193 | * channel list they get isn't longer than what | |
3194 | * they can scan, as long as they can scan all | |
3195 | * the channels they registered at once. | |
3196 | */ | |
3197 | nla_for_each_nested(attr2, freqs, tmp2) | |
3198 | if (attr1 != attr2 && | |
3199 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
3200 | return 0; | |
3201 | } | |
3202 | ||
3203 | return n_channels; | |
3204 | } | |
3205 | ||
2a519311 JB |
3206 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
3207 | { | |
4c476991 JB |
3208 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3209 | struct net_device *dev = info->user_ptr[1]; | |
2a519311 JB |
3210 | struct cfg80211_scan_request *request; |
3211 | struct cfg80211_ssid *ssid; | |
3212 | struct ieee80211_channel *channel; | |
3213 | struct nlattr *attr; | |
3214 | struct wiphy *wiphy; | |
83f5e2cf | 3215 | int err, tmp, n_ssids = 0, n_channels, i; |
2a519311 | 3216 | enum ieee80211_band band; |
70692ad2 | 3217 | size_t ie_len; |
2a519311 | 3218 | |
f4a11bb0 JB |
3219 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3220 | return -EINVAL; | |
3221 | ||
79c97e97 | 3222 | wiphy = &rdev->wiphy; |
2a519311 | 3223 | |
4c476991 JB |
3224 | if (!rdev->ops->scan) |
3225 | return -EOPNOTSUPP; | |
2a519311 | 3226 | |
4c476991 JB |
3227 | if (rdev->scan_req) |
3228 | return -EBUSY; | |
2a519311 JB |
3229 | |
3230 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
3231 | n_channels = validate_scan_freqs( |
3232 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
4c476991 JB |
3233 | if (!n_channels) |
3234 | return -EINVAL; | |
2a519311 | 3235 | } else { |
83f5e2cf JB |
3236 | n_channels = 0; |
3237 | ||
2a519311 JB |
3238 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
3239 | if (wiphy->bands[band]) | |
3240 | n_channels += wiphy->bands[band]->n_channels; | |
3241 | } | |
3242 | ||
3243 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
3244 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
3245 | n_ssids++; | |
3246 | ||
4c476991 JB |
3247 | if (n_ssids > wiphy->max_scan_ssids) |
3248 | return -EINVAL; | |
2a519311 | 3249 | |
70692ad2 JM |
3250 | if (info->attrs[NL80211_ATTR_IE]) |
3251 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3252 | else | |
3253 | ie_len = 0; | |
3254 | ||
4c476991 JB |
3255 | if (ie_len > wiphy->max_scan_ie_len) |
3256 | return -EINVAL; | |
18a83659 | 3257 | |
2a519311 JB |
3258 | request = kzalloc(sizeof(*request) |
3259 | + sizeof(*ssid) * n_ssids | |
70692ad2 JM |
3260 | + sizeof(channel) * n_channels |
3261 | + ie_len, GFP_KERNEL); | |
4c476991 JB |
3262 | if (!request) |
3263 | return -ENOMEM; | |
2a519311 | 3264 | |
2a519311 | 3265 | if (n_ssids) |
5ba63533 | 3266 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 3267 | request->n_ssids = n_ssids; |
70692ad2 JM |
3268 | if (ie_len) { |
3269 | if (request->ssids) | |
3270 | request->ie = (void *)(request->ssids + n_ssids); | |
3271 | else | |
3272 | request->ie = (void *)(request->channels + n_channels); | |
3273 | } | |
2a519311 | 3274 | |
584991dc | 3275 | i = 0; |
2a519311 JB |
3276 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
3277 | /* user specified, bail out if channel not found */ | |
2a519311 | 3278 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
3279 | struct ieee80211_channel *chan; |
3280 | ||
3281 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
3282 | ||
3283 | if (!chan) { | |
2a519311 JB |
3284 | err = -EINVAL; |
3285 | goto out_free; | |
3286 | } | |
584991dc JB |
3287 | |
3288 | /* ignore disabled channels */ | |
3289 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3290 | continue; | |
3291 | ||
3292 | request->channels[i] = chan; | |
2a519311 JB |
3293 | i++; |
3294 | } | |
3295 | } else { | |
3296 | /* all channels */ | |
2a519311 JB |
3297 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
3298 | int j; | |
3299 | if (!wiphy->bands[band]) | |
3300 | continue; | |
3301 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
3302 | struct ieee80211_channel *chan; |
3303 | ||
3304 | chan = &wiphy->bands[band]->channels[j]; | |
3305 | ||
3306 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3307 | continue; | |
3308 | ||
3309 | request->channels[i] = chan; | |
2a519311 JB |
3310 | i++; |
3311 | } | |
3312 | } | |
3313 | } | |
3314 | ||
584991dc JB |
3315 | if (!i) { |
3316 | err = -EINVAL; | |
3317 | goto out_free; | |
3318 | } | |
3319 | ||
3320 | request->n_channels = i; | |
3321 | ||
2a519311 JB |
3322 | i = 0; |
3323 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
3324 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
3325 | if (request->ssids[i].ssid_len > IEEE80211_MAX_SSID_LEN) { | |
3326 | err = -EINVAL; | |
3327 | goto out_free; | |
3328 | } | |
3329 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); | |
3330 | request->ssids[i].ssid_len = nla_len(attr); | |
3331 | i++; | |
3332 | } | |
3333 | } | |
3334 | ||
70692ad2 JM |
3335 | if (info->attrs[NL80211_ATTR_IE]) { |
3336 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
3337 | memcpy((void *)request->ie, |
3338 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
3339 | request->ie_len); |
3340 | } | |
3341 | ||
463d0183 | 3342 | request->dev = dev; |
79c97e97 | 3343 | request->wiphy = &rdev->wiphy; |
2a519311 | 3344 | |
79c97e97 JB |
3345 | rdev->scan_req = request; |
3346 | err = rdev->ops->scan(&rdev->wiphy, dev, request); | |
2a519311 | 3347 | |
463d0183 | 3348 | if (!err) { |
79c97e97 | 3349 | nl80211_send_scan_start(rdev, dev); |
463d0183 | 3350 | dev_hold(dev); |
4c476991 | 3351 | } else { |
2a519311 | 3352 | out_free: |
79c97e97 | 3353 | rdev->scan_req = NULL; |
2a519311 JB |
3354 | kfree(request); |
3355 | } | |
3b85875a | 3356 | |
2a519311 JB |
3357 | return err; |
3358 | } | |
3359 | ||
3360 | static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
3361 | struct cfg80211_registered_device *rdev, | |
48ab905d JB |
3362 | struct wireless_dev *wdev, |
3363 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 3364 | { |
48ab905d | 3365 | struct cfg80211_bss *res = &intbss->pub; |
2a519311 JB |
3366 | void *hdr; |
3367 | struct nlattr *bss; | |
48ab905d JB |
3368 | int i; |
3369 | ||
3370 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 JB |
3371 | |
3372 | hdr = nl80211hdr_put(msg, pid, seq, flags, | |
3373 | NL80211_CMD_NEW_SCAN_RESULTS); | |
3374 | if (!hdr) | |
3375 | return -1; | |
3376 | ||
f5ea9120 | 3377 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation); |
48ab905d | 3378 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex); |
2a519311 JB |
3379 | |
3380 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
3381 | if (!bss) | |
3382 | goto nla_put_failure; | |
3383 | if (!is_zero_ether_addr(res->bssid)) | |
3384 | NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid); | |
3385 | if (res->information_elements && res->len_information_elements) | |
3386 | NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
3387 | res->len_information_elements, | |
3388 | res->information_elements); | |
34a6eddb JM |
3389 | if (res->beacon_ies && res->len_beacon_ies && |
3390 | res->beacon_ies != res->information_elements) | |
3391 | NLA_PUT(msg, NL80211_BSS_BEACON_IES, | |
3392 | res->len_beacon_ies, res->beacon_ies); | |
2a519311 JB |
3393 | if (res->tsf) |
3394 | NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf); | |
3395 | if (res->beacon_interval) | |
3396 | NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval); | |
3397 | NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability); | |
3398 | NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq); | |
7c89606e HS |
3399 | NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO, |
3400 | jiffies_to_msecs(jiffies - intbss->ts)); | |
2a519311 | 3401 | |
77965c97 | 3402 | switch (rdev->wiphy.signal_type) { |
2a519311 JB |
3403 | case CFG80211_SIGNAL_TYPE_MBM: |
3404 | NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal); | |
3405 | break; | |
3406 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
3407 | NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal); | |
3408 | break; | |
3409 | default: | |
3410 | break; | |
3411 | } | |
3412 | ||
48ab905d | 3413 | switch (wdev->iftype) { |
074ac8df | 3414 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d JB |
3415 | case NL80211_IFTYPE_STATION: |
3416 | if (intbss == wdev->current_bss) | |
3417 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
3418 | NL80211_BSS_STATUS_ASSOCIATED); | |
3419 | else for (i = 0; i < MAX_AUTH_BSSES; i++) { | |
3420 | if (intbss != wdev->auth_bsses[i]) | |
3421 | continue; | |
3422 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
3423 | NL80211_BSS_STATUS_AUTHENTICATED); | |
3424 | break; | |
3425 | } | |
3426 | break; | |
3427 | case NL80211_IFTYPE_ADHOC: | |
3428 | if (intbss == wdev->current_bss) | |
3429 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
3430 | NL80211_BSS_STATUS_IBSS_JOINED); | |
3431 | break; | |
3432 | default: | |
3433 | break; | |
3434 | } | |
3435 | ||
2a519311 JB |
3436 | nla_nest_end(msg, bss); |
3437 | ||
3438 | return genlmsg_end(msg, hdr); | |
3439 | ||
3440 | nla_put_failure: | |
3441 | genlmsg_cancel(msg, hdr); | |
3442 | return -EMSGSIZE; | |
3443 | } | |
3444 | ||
3445 | static int nl80211_dump_scan(struct sk_buff *skb, | |
3446 | struct netlink_callback *cb) | |
3447 | { | |
48ab905d JB |
3448 | struct cfg80211_registered_device *rdev; |
3449 | struct net_device *dev; | |
2a519311 | 3450 | struct cfg80211_internal_bss *scan; |
48ab905d | 3451 | struct wireless_dev *wdev; |
2a519311 JB |
3452 | int start = cb->args[1], idx = 0; |
3453 | int err; | |
3454 | ||
67748893 JB |
3455 | err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev); |
3456 | if (err) | |
3457 | return err; | |
2a519311 | 3458 | |
48ab905d | 3459 | wdev = dev->ieee80211_ptr; |
2a519311 | 3460 | |
48ab905d JB |
3461 | wdev_lock(wdev); |
3462 | spin_lock_bh(&rdev->bss_lock); | |
3463 | cfg80211_bss_expire(rdev); | |
3464 | ||
3465 | list_for_each_entry(scan, &rdev->bss_list, list) { | |
2a519311 JB |
3466 | if (++idx <= start) |
3467 | continue; | |
3468 | if (nl80211_send_bss(skb, | |
3469 | NETLINK_CB(cb->skb).pid, | |
3470 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
48ab905d | 3471 | rdev, wdev, scan) < 0) { |
2a519311 | 3472 | idx--; |
67748893 | 3473 | break; |
2a519311 JB |
3474 | } |
3475 | } | |
3476 | ||
48ab905d JB |
3477 | spin_unlock_bh(&rdev->bss_lock); |
3478 | wdev_unlock(wdev); | |
2a519311 JB |
3479 | |
3480 | cb->args[1] = idx; | |
67748893 | 3481 | nl80211_finish_netdev_dump(rdev); |
2a519311 | 3482 | |
67748893 | 3483 | return skb->len; |
2a519311 JB |
3484 | } |
3485 | ||
61fa713c HS |
3486 | static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, |
3487 | int flags, struct net_device *dev, | |
3488 | struct survey_info *survey) | |
3489 | { | |
3490 | void *hdr; | |
3491 | struct nlattr *infoattr; | |
3492 | ||
3493 | /* Survey without a channel doesn't make sense */ | |
3494 | if (!survey->channel) | |
3495 | return -EINVAL; | |
3496 | ||
3497 | hdr = nl80211hdr_put(msg, pid, seq, flags, | |
3498 | NL80211_CMD_NEW_SURVEY_RESULTS); | |
3499 | if (!hdr) | |
3500 | return -ENOMEM; | |
3501 | ||
3502 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
3503 | ||
3504 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
3505 | if (!infoattr) | |
3506 | goto nla_put_failure; | |
3507 | ||
3508 | NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
3509 | survey->channel->center_freq); | |
3510 | if (survey->filled & SURVEY_INFO_NOISE_DBM) | |
3511 | NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE, | |
3512 | survey->noise); | |
17e5a808 FF |
3513 | if (survey->filled & SURVEY_INFO_IN_USE) |
3514 | NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE); | |
8610c29a FF |
3515 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME) |
3516 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
3517 | survey->channel_time); | |
3518 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
3519 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
3520 | survey->channel_time_busy); | |
3521 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
3522 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
3523 | survey->channel_time_ext_busy); | |
3524 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
3525 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
3526 | survey->channel_time_rx); | |
3527 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
3528 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
3529 | survey->channel_time_tx); | |
61fa713c HS |
3530 | |
3531 | nla_nest_end(msg, infoattr); | |
3532 | ||
3533 | return genlmsg_end(msg, hdr); | |
3534 | ||
3535 | nla_put_failure: | |
3536 | genlmsg_cancel(msg, hdr); | |
3537 | return -EMSGSIZE; | |
3538 | } | |
3539 | ||
3540 | static int nl80211_dump_survey(struct sk_buff *skb, | |
3541 | struct netlink_callback *cb) | |
3542 | { | |
3543 | struct survey_info survey; | |
3544 | struct cfg80211_registered_device *dev; | |
3545 | struct net_device *netdev; | |
61fa713c HS |
3546 | int survey_idx = cb->args[1]; |
3547 | int res; | |
3548 | ||
67748893 JB |
3549 | res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
3550 | if (res) | |
3551 | return res; | |
61fa713c HS |
3552 | |
3553 | if (!dev->ops->dump_survey) { | |
3554 | res = -EOPNOTSUPP; | |
3555 | goto out_err; | |
3556 | } | |
3557 | ||
3558 | while (1) { | |
3559 | res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx, | |
3560 | &survey); | |
3561 | if (res == -ENOENT) | |
3562 | break; | |
3563 | if (res) | |
3564 | goto out_err; | |
3565 | ||
3566 | if (nl80211_send_survey(skb, | |
3567 | NETLINK_CB(cb->skb).pid, | |
3568 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
3569 | netdev, | |
3570 | &survey) < 0) | |
3571 | goto out; | |
3572 | survey_idx++; | |
3573 | } | |
3574 | ||
3575 | out: | |
3576 | cb->args[1] = survey_idx; | |
3577 | res = skb->len; | |
3578 | out_err: | |
67748893 | 3579 | nl80211_finish_netdev_dump(dev); |
61fa713c HS |
3580 | return res; |
3581 | } | |
3582 | ||
255e737e JM |
3583 | static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type) |
3584 | { | |
b23aa676 SO |
3585 | return auth_type <= NL80211_AUTHTYPE_MAX; |
3586 | } | |
3587 | ||
3588 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) | |
3589 | { | |
3590 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
3591 | NL80211_WPA_VERSION_2)); | |
3592 | } | |
3593 | ||
3594 | static bool nl80211_valid_akm_suite(u32 akm) | |
3595 | { | |
3596 | return akm == WLAN_AKM_SUITE_8021X || | |
3597 | akm == WLAN_AKM_SUITE_PSK; | |
3598 | } | |
3599 | ||
3600 | static bool nl80211_valid_cipher_suite(u32 cipher) | |
3601 | { | |
3602 | return cipher == WLAN_CIPHER_SUITE_WEP40 || | |
3603 | cipher == WLAN_CIPHER_SUITE_WEP104 || | |
3604 | cipher == WLAN_CIPHER_SUITE_TKIP || | |
3605 | cipher == WLAN_CIPHER_SUITE_CCMP || | |
3606 | cipher == WLAN_CIPHER_SUITE_AES_CMAC; | |
255e737e JM |
3607 | } |
3608 | ||
b23aa676 | 3609 | |
636a5d36 JM |
3610 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
3611 | { | |
4c476991 JB |
3612 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3613 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 JB |
3614 | struct ieee80211_channel *chan; |
3615 | const u8 *bssid, *ssid, *ie = NULL; | |
3616 | int err, ssid_len, ie_len = 0; | |
3617 | enum nl80211_auth_type auth_type; | |
fffd0934 | 3618 | struct key_parse key; |
d5cdfacb | 3619 | bool local_state_change; |
636a5d36 | 3620 | |
f4a11bb0 JB |
3621 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3622 | return -EINVAL; | |
3623 | ||
3624 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3625 | return -EINVAL; | |
3626 | ||
1778092e JM |
3627 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
3628 | return -EINVAL; | |
3629 | ||
19957bb3 JB |
3630 | if (!info->attrs[NL80211_ATTR_SSID]) |
3631 | return -EINVAL; | |
3632 | ||
3633 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
3634 | return -EINVAL; | |
3635 | ||
fffd0934 JB |
3636 | err = nl80211_parse_key(info, &key); |
3637 | if (err) | |
3638 | return err; | |
3639 | ||
3640 | if (key.idx >= 0) { | |
e31b8213 JB |
3641 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
3642 | return -EINVAL; | |
fffd0934 JB |
3643 | if (!key.p.key || !key.p.key_len) |
3644 | return -EINVAL; | |
3645 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
3646 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
3647 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
3648 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
3649 | return -EINVAL; | |
3650 | if (key.idx > 4) | |
3651 | return -EINVAL; | |
3652 | } else { | |
3653 | key.p.key_len = 0; | |
3654 | key.p.key = NULL; | |
3655 | } | |
3656 | ||
afea0b7a JB |
3657 | if (key.idx >= 0) { |
3658 | int i; | |
3659 | bool ok = false; | |
3660 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
3661 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
3662 | ok = true; | |
3663 | break; | |
3664 | } | |
3665 | } | |
4c476991 JB |
3666 | if (!ok) |
3667 | return -EINVAL; | |
afea0b7a JB |
3668 | } |
3669 | ||
4c476991 JB |
3670 | if (!rdev->ops->auth) |
3671 | return -EOPNOTSUPP; | |
636a5d36 | 3672 | |
074ac8df | 3673 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
3674 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
3675 | return -EOPNOTSUPP; | |
eec60b03 | 3676 | |
19957bb3 | 3677 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 3678 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 3679 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
3680 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
3681 | return -EINVAL; | |
636a5d36 | 3682 | |
19957bb3 JB |
3683 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
3684 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
3685 | |
3686 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
3687 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
3688 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
3689 | } |
3690 | ||
19957bb3 | 3691 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
4c476991 JB |
3692 | if (!nl80211_valid_auth_type(auth_type)) |
3693 | return -EINVAL; | |
636a5d36 | 3694 | |
d5cdfacb JM |
3695 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
3696 | ||
4c476991 JB |
3697 | return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
3698 | ssid, ssid_len, ie, ie_len, | |
3699 | key.p.key, key.p.key_len, key.idx, | |
3700 | local_state_change); | |
636a5d36 JM |
3701 | } |
3702 | ||
c0692b8f JB |
3703 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
3704 | struct genl_info *info, | |
3dc27d25 JB |
3705 | struct cfg80211_crypto_settings *settings, |
3706 | int cipher_limit) | |
b23aa676 | 3707 | { |
c0b2bbd8 JB |
3708 | memset(settings, 0, sizeof(*settings)); |
3709 | ||
b23aa676 SO |
3710 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
3711 | ||
c0692b8f JB |
3712 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
3713 | u16 proto; | |
3714 | proto = nla_get_u16( | |
3715 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
3716 | settings->control_port_ethertype = cpu_to_be16(proto); | |
3717 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
3718 | proto != ETH_P_PAE) | |
3719 | return -EINVAL; | |
3720 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
3721 | settings->control_port_no_encrypt = true; | |
3722 | } else | |
3723 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
3724 | ||
b23aa676 SO |
3725 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
3726 | void *data; | |
3727 | int len, i; | |
3728 | ||
3729 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
3730 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
3731 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
3732 | ||
3733 | if (len % sizeof(u32)) | |
3734 | return -EINVAL; | |
3735 | ||
3dc27d25 | 3736 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
3737 | return -EINVAL; |
3738 | ||
3739 | memcpy(settings->ciphers_pairwise, data, len); | |
3740 | ||
3741 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
3742 | if (!nl80211_valid_cipher_suite( | |
3743 | settings->ciphers_pairwise[i])) | |
3744 | return -EINVAL; | |
3745 | } | |
3746 | ||
3747 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
3748 | settings->cipher_group = | |
3749 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
3750 | if (!nl80211_valid_cipher_suite(settings->cipher_group)) | |
3751 | return -EINVAL; | |
3752 | } | |
3753 | ||
3754 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
3755 | settings->wpa_versions = | |
3756 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
3757 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
3758 | return -EINVAL; | |
3759 | } | |
3760 | ||
3761 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
3762 | void *data; | |
3763 | int len, i; | |
3764 | ||
3765 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
3766 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
3767 | settings->n_akm_suites = len / sizeof(u32); | |
3768 | ||
3769 | if (len % sizeof(u32)) | |
3770 | return -EINVAL; | |
3771 | ||
3772 | memcpy(settings->akm_suites, data, len); | |
3773 | ||
3774 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
3775 | if (!nl80211_valid_akm_suite(settings->akm_suites[i])) | |
3776 | return -EINVAL; | |
3777 | } | |
3778 | ||
3779 | return 0; | |
3780 | } | |
3781 | ||
636a5d36 JM |
3782 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
3783 | { | |
4c476991 JB |
3784 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3785 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 3786 | struct cfg80211_crypto_settings crypto; |
f444de05 | 3787 | struct ieee80211_channel *chan; |
3e5d7649 | 3788 | const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; |
19957bb3 JB |
3789 | int err, ssid_len, ie_len = 0; |
3790 | bool use_mfp = false; | |
636a5d36 | 3791 | |
f4a11bb0 JB |
3792 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3793 | return -EINVAL; | |
3794 | ||
3795 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
3796 | !info->attrs[NL80211_ATTR_SSID] || |
3797 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
3798 | return -EINVAL; |
3799 | ||
4c476991 JB |
3800 | if (!rdev->ops->assoc) |
3801 | return -EOPNOTSUPP; | |
636a5d36 | 3802 | |
074ac8df | 3803 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
3804 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
3805 | return -EOPNOTSUPP; | |
eec60b03 | 3806 | |
19957bb3 | 3807 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 3808 | |
19957bb3 JB |
3809 | chan = ieee80211_get_channel(&rdev->wiphy, |
3810 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
3811 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
3812 | return -EINVAL; | |
636a5d36 | 3813 | |
19957bb3 JB |
3814 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
3815 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
3816 | |
3817 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
3818 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
3819 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
3820 | } |
3821 | ||
dc6382ce | 3822 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 3823 | enum nl80211_mfp mfp = |
dc6382ce | 3824 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 3825 | if (mfp == NL80211_MFP_REQUIRED) |
19957bb3 | 3826 | use_mfp = true; |
4c476991 JB |
3827 | else if (mfp != NL80211_MFP_NO) |
3828 | return -EINVAL; | |
dc6382ce JM |
3829 | } |
3830 | ||
3e5d7649 JB |
3831 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
3832 | prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
3833 | ||
c0692b8f | 3834 | err = nl80211_crypto_settings(rdev, info, &crypto, 1); |
b23aa676 | 3835 | if (!err) |
3e5d7649 JB |
3836 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, |
3837 | ssid, ssid_len, ie, ie_len, use_mfp, | |
19957bb3 | 3838 | &crypto); |
636a5d36 | 3839 | |
636a5d36 JM |
3840 | return err; |
3841 | } | |
3842 | ||
3843 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
3844 | { | |
4c476991 JB |
3845 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3846 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 3847 | const u8 *ie = NULL, *bssid; |
4c476991 | 3848 | int ie_len = 0; |
19957bb3 | 3849 | u16 reason_code; |
d5cdfacb | 3850 | bool local_state_change; |
636a5d36 | 3851 | |
f4a11bb0 JB |
3852 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3853 | return -EINVAL; | |
3854 | ||
3855 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3856 | return -EINVAL; | |
3857 | ||
3858 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
3859 | return -EINVAL; | |
3860 | ||
4c476991 JB |
3861 | if (!rdev->ops->deauth) |
3862 | return -EOPNOTSUPP; | |
636a5d36 | 3863 | |
074ac8df | 3864 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
3865 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
3866 | return -EOPNOTSUPP; | |
eec60b03 | 3867 | |
19957bb3 | 3868 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 3869 | |
19957bb3 JB |
3870 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
3871 | if (reason_code == 0) { | |
f4a11bb0 | 3872 | /* Reason Code 0 is reserved */ |
4c476991 | 3873 | return -EINVAL; |
255e737e | 3874 | } |
636a5d36 JM |
3875 | |
3876 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
3877 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
3878 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
3879 | } |
3880 | ||
d5cdfacb JM |
3881 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
3882 | ||
4c476991 JB |
3883 | return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, |
3884 | local_state_change); | |
636a5d36 JM |
3885 | } |
3886 | ||
3887 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
3888 | { | |
4c476991 JB |
3889 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3890 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 3891 | const u8 *ie = NULL, *bssid; |
4c476991 | 3892 | int ie_len = 0; |
19957bb3 | 3893 | u16 reason_code; |
d5cdfacb | 3894 | bool local_state_change; |
636a5d36 | 3895 | |
f4a11bb0 JB |
3896 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3897 | return -EINVAL; | |
3898 | ||
3899 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3900 | return -EINVAL; | |
3901 | ||
3902 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
3903 | return -EINVAL; | |
3904 | ||
4c476991 JB |
3905 | if (!rdev->ops->disassoc) |
3906 | return -EOPNOTSUPP; | |
636a5d36 | 3907 | |
074ac8df | 3908 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
3909 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
3910 | return -EOPNOTSUPP; | |
eec60b03 | 3911 | |
19957bb3 | 3912 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 3913 | |
19957bb3 JB |
3914 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
3915 | if (reason_code == 0) { | |
f4a11bb0 | 3916 | /* Reason Code 0 is reserved */ |
4c476991 | 3917 | return -EINVAL; |
255e737e | 3918 | } |
636a5d36 JM |
3919 | |
3920 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
3921 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
3922 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
3923 | } |
3924 | ||
d5cdfacb JM |
3925 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
3926 | ||
4c476991 JB |
3927 | return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, |
3928 | local_state_change); | |
636a5d36 JM |
3929 | } |
3930 | ||
dd5b4cc7 FF |
3931 | static bool |
3932 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
3933 | int mcast_rate[IEEE80211_NUM_BANDS], | |
3934 | int rateval) | |
3935 | { | |
3936 | struct wiphy *wiphy = &rdev->wiphy; | |
3937 | bool found = false; | |
3938 | int band, i; | |
3939 | ||
3940 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
3941 | struct ieee80211_supported_band *sband; | |
3942 | ||
3943 | sband = wiphy->bands[band]; | |
3944 | if (!sband) | |
3945 | continue; | |
3946 | ||
3947 | for (i = 0; i < sband->n_bitrates; i++) { | |
3948 | if (sband->bitrates[i].bitrate == rateval) { | |
3949 | mcast_rate[band] = i + 1; | |
3950 | found = true; | |
3951 | break; | |
3952 | } | |
3953 | } | |
3954 | } | |
3955 | ||
3956 | return found; | |
3957 | } | |
3958 | ||
04a773ad JB |
3959 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
3960 | { | |
4c476991 JB |
3961 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3962 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
3963 | struct cfg80211_ibss_params ibss; |
3964 | struct wiphy *wiphy; | |
fffd0934 | 3965 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
3966 | int err; |
3967 | ||
8e30bc55 JB |
3968 | memset(&ibss, 0, sizeof(ibss)); |
3969 | ||
04a773ad JB |
3970 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3971 | return -EINVAL; | |
3972 | ||
3973 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
3974 | !info->attrs[NL80211_ATTR_SSID] || | |
3975 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
3976 | return -EINVAL; | |
3977 | ||
8e30bc55 JB |
3978 | ibss.beacon_interval = 100; |
3979 | ||
3980 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
3981 | ibss.beacon_interval = | |
3982 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3983 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
3984 | return -EINVAL; | |
3985 | } | |
3986 | ||
4c476991 JB |
3987 | if (!rdev->ops->join_ibss) |
3988 | return -EOPNOTSUPP; | |
04a773ad | 3989 | |
4c476991 JB |
3990 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
3991 | return -EOPNOTSUPP; | |
04a773ad | 3992 | |
79c97e97 | 3993 | wiphy = &rdev->wiphy; |
04a773ad JB |
3994 | |
3995 | if (info->attrs[NL80211_ATTR_MAC]) | |
3996 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3997 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3998 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3999 | ||
4000 | if (info->attrs[NL80211_ATTR_IE]) { | |
4001 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
4002 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4003 | } | |
4004 | ||
4005 | ibss.channel = ieee80211_get_channel(wiphy, | |
4006 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4007 | if (!ibss.channel || | |
4008 | ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || | |
4c476991 JB |
4009 | ibss.channel->flags & IEEE80211_CHAN_DISABLED) |
4010 | return -EINVAL; | |
04a773ad JB |
4011 | |
4012 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; | |
fffd0934 JB |
4013 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
4014 | ||
fbd2c8dc TP |
4015 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4016 | u8 *rates = | |
4017 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4018 | int n_rates = | |
4019 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4020 | struct ieee80211_supported_band *sband = | |
4021 | wiphy->bands[ibss.channel->band]; | |
4022 | int i, j; | |
4023 | ||
4c476991 JB |
4024 | if (n_rates == 0) |
4025 | return -EINVAL; | |
fbd2c8dc TP |
4026 | |
4027 | for (i = 0; i < n_rates; i++) { | |
4028 | int rate = (rates[i] & 0x7f) * 5; | |
4029 | bool found = false; | |
4030 | ||
4031 | for (j = 0; j < sband->n_bitrates; j++) { | |
4032 | if (sband->bitrates[j].bitrate == rate) { | |
4033 | found = true; | |
4034 | ibss.basic_rates |= BIT(j); | |
4035 | break; | |
4036 | } | |
4037 | } | |
4c476991 JB |
4038 | if (!found) |
4039 | return -EINVAL; | |
fbd2c8dc | 4040 | } |
fbd2c8dc | 4041 | } |
dd5b4cc7 FF |
4042 | |
4043 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && | |
4044 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
4045 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
4046 | return -EINVAL; | |
fbd2c8dc | 4047 | |
4c476991 JB |
4048 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
4049 | connkeys = nl80211_parse_connkeys(rdev, | |
4050 | info->attrs[NL80211_ATTR_KEYS]); | |
4051 | if (IS_ERR(connkeys)) | |
4052 | return PTR_ERR(connkeys); | |
4053 | } | |
04a773ad | 4054 | |
4c476991 | 4055 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
4056 | if (err) |
4057 | kfree(connkeys); | |
04a773ad JB |
4058 | return err; |
4059 | } | |
4060 | ||
4061 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
4062 | { | |
4c476991 JB |
4063 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4064 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 4065 | |
4c476991 JB |
4066 | if (!rdev->ops->leave_ibss) |
4067 | return -EOPNOTSUPP; | |
04a773ad | 4068 | |
4c476991 JB |
4069 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
4070 | return -EOPNOTSUPP; | |
04a773ad | 4071 | |
4c476991 | 4072 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
4073 | } |
4074 | ||
aff89a9b JB |
4075 | #ifdef CONFIG_NL80211_TESTMODE |
4076 | static struct genl_multicast_group nl80211_testmode_mcgrp = { | |
4077 | .name = "testmode", | |
4078 | }; | |
4079 | ||
4080 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) | |
4081 | { | |
4c476991 | 4082 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
aff89a9b JB |
4083 | int err; |
4084 | ||
4085 | if (!info->attrs[NL80211_ATTR_TESTDATA]) | |
4086 | return -EINVAL; | |
4087 | ||
aff89a9b JB |
4088 | err = -EOPNOTSUPP; |
4089 | if (rdev->ops->testmode_cmd) { | |
4090 | rdev->testmode_info = info; | |
4091 | err = rdev->ops->testmode_cmd(&rdev->wiphy, | |
4092 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), | |
4093 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
4094 | rdev->testmode_info = NULL; | |
4095 | } | |
4096 | ||
aff89a9b JB |
4097 | return err; |
4098 | } | |
4099 | ||
4100 | static struct sk_buff * | |
4101 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
4102 | int approxlen, u32 pid, u32 seq, gfp_t gfp) | |
4103 | { | |
4104 | struct sk_buff *skb; | |
4105 | void *hdr; | |
4106 | struct nlattr *data; | |
4107 | ||
4108 | skb = nlmsg_new(approxlen + 100, gfp); | |
4109 | if (!skb) | |
4110 | return NULL; | |
4111 | ||
4112 | hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE); | |
4113 | if (!hdr) { | |
4114 | kfree_skb(skb); | |
4115 | return NULL; | |
4116 | } | |
4117 | ||
4118 | NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
4119 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
4120 | ||
4121 | ((void **)skb->cb)[0] = rdev; | |
4122 | ((void **)skb->cb)[1] = hdr; | |
4123 | ((void **)skb->cb)[2] = data; | |
4124 | ||
4125 | return skb; | |
4126 | ||
4127 | nla_put_failure: | |
4128 | kfree_skb(skb); | |
4129 | return NULL; | |
4130 | } | |
4131 | ||
4132 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
4133 | int approxlen) | |
4134 | { | |
4135 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
4136 | ||
4137 | if (WARN_ON(!rdev->testmode_info)) | |
4138 | return NULL; | |
4139 | ||
4140 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
4141 | rdev->testmode_info->snd_pid, | |
4142 | rdev->testmode_info->snd_seq, | |
4143 | GFP_KERNEL); | |
4144 | } | |
4145 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
4146 | ||
4147 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
4148 | { | |
4149 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
4150 | void *hdr = ((void **)skb->cb)[1]; | |
4151 | struct nlattr *data = ((void **)skb->cb)[2]; | |
4152 | ||
4153 | if (WARN_ON(!rdev->testmode_info)) { | |
4154 | kfree_skb(skb); | |
4155 | return -EINVAL; | |
4156 | } | |
4157 | ||
4158 | nla_nest_end(skb, data); | |
4159 | genlmsg_end(skb, hdr); | |
4160 | return genlmsg_reply(skb, rdev->testmode_info); | |
4161 | } | |
4162 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
4163 | ||
4164 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
4165 | int approxlen, gfp_t gfp) | |
4166 | { | |
4167 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
4168 | ||
4169 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
4170 | } | |
4171 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
4172 | ||
4173 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
4174 | { | |
4175 | void *hdr = ((void **)skb->cb)[1]; | |
4176 | struct nlattr *data = ((void **)skb->cb)[2]; | |
4177 | ||
4178 | nla_nest_end(skb, data); | |
4179 | genlmsg_end(skb, hdr); | |
4180 | genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp); | |
4181 | } | |
4182 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
4183 | #endif | |
4184 | ||
b23aa676 SO |
4185 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
4186 | { | |
4c476991 JB |
4187 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4188 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
4189 | struct cfg80211_connect_params connect; |
4190 | struct wiphy *wiphy; | |
fffd0934 | 4191 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
4192 | int err; |
4193 | ||
4194 | memset(&connect, 0, sizeof(connect)); | |
4195 | ||
4196 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
4197 | return -EINVAL; | |
4198 | ||
4199 | if (!info->attrs[NL80211_ATTR_SSID] || | |
4200 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
4201 | return -EINVAL; | |
4202 | ||
4203 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
4204 | connect.auth_type = | |
4205 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
4206 | if (!nl80211_valid_auth_type(connect.auth_type)) | |
4207 | return -EINVAL; | |
4208 | } else | |
4209 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
4210 | ||
4211 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
4212 | ||
c0692b8f | 4213 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 4214 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
4215 | if (err) |
4216 | return err; | |
b23aa676 | 4217 | |
074ac8df | 4218 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4219 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4220 | return -EOPNOTSUPP; | |
b23aa676 | 4221 | |
79c97e97 | 4222 | wiphy = &rdev->wiphy; |
b23aa676 | 4223 | |
b23aa676 SO |
4224 | if (info->attrs[NL80211_ATTR_MAC]) |
4225 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4226 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
4227 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
4228 | ||
4229 | if (info->attrs[NL80211_ATTR_IE]) { | |
4230 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
4231 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4232 | } | |
4233 | ||
4234 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
4235 | connect.channel = | |
4236 | ieee80211_get_channel(wiphy, | |
4237 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4238 | if (!connect.channel || | |
4c476991 JB |
4239 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
4240 | return -EINVAL; | |
b23aa676 SO |
4241 | } |
4242 | ||
fffd0934 JB |
4243 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
4244 | connkeys = nl80211_parse_connkeys(rdev, | |
4245 | info->attrs[NL80211_ATTR_KEYS]); | |
4c476991 JB |
4246 | if (IS_ERR(connkeys)) |
4247 | return PTR_ERR(connkeys); | |
fffd0934 JB |
4248 | } |
4249 | ||
4250 | err = cfg80211_connect(rdev, dev, &connect, connkeys); | |
fffd0934 JB |
4251 | if (err) |
4252 | kfree(connkeys); | |
b23aa676 SO |
4253 | return err; |
4254 | } | |
4255 | ||
4256 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
4257 | { | |
4c476991 JB |
4258 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4259 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
4260 | u16 reason; |
4261 | ||
4262 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4263 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
4264 | else | |
4265 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
4266 | ||
4267 | if (reason == 0) | |
4268 | return -EINVAL; | |
4269 | ||
074ac8df | 4270 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4271 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4272 | return -EOPNOTSUPP; | |
b23aa676 | 4273 | |
4c476991 | 4274 | return cfg80211_disconnect(rdev, dev, reason, true); |
b23aa676 SO |
4275 | } |
4276 | ||
463d0183 JB |
4277 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
4278 | { | |
4c476991 | 4279 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
4280 | struct net *net; |
4281 | int err; | |
4282 | u32 pid; | |
4283 | ||
4284 | if (!info->attrs[NL80211_ATTR_PID]) | |
4285 | return -EINVAL; | |
4286 | ||
4287 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
4288 | ||
463d0183 | 4289 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
4290 | if (IS_ERR(net)) |
4291 | return PTR_ERR(net); | |
463d0183 JB |
4292 | |
4293 | err = 0; | |
4294 | ||
4295 | /* check if anything to do */ | |
4c476991 JB |
4296 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
4297 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 4298 | |
463d0183 | 4299 | put_net(net); |
463d0183 JB |
4300 | return err; |
4301 | } | |
4302 | ||
67fbb16b SO |
4303 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
4304 | { | |
4c476991 | 4305 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
4306 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
4307 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 4308 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
4309 | struct cfg80211_pmksa pmksa; |
4310 | ||
4311 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
4312 | ||
4313 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4314 | return -EINVAL; | |
4315 | ||
4316 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
4317 | return -EINVAL; | |
4318 | ||
67fbb16b SO |
4319 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
4320 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4321 | ||
074ac8df | 4322 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4323 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4324 | return -EOPNOTSUPP; | |
67fbb16b SO |
4325 | |
4326 | switch (info->genlhdr->cmd) { | |
4327 | case NL80211_CMD_SET_PMKSA: | |
4328 | rdev_ops = rdev->ops->set_pmksa; | |
4329 | break; | |
4330 | case NL80211_CMD_DEL_PMKSA: | |
4331 | rdev_ops = rdev->ops->del_pmksa; | |
4332 | break; | |
4333 | default: | |
4334 | WARN_ON(1); | |
4335 | break; | |
4336 | } | |
4337 | ||
4c476991 JB |
4338 | if (!rdev_ops) |
4339 | return -EOPNOTSUPP; | |
67fbb16b | 4340 | |
4c476991 | 4341 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
4342 | } |
4343 | ||
4344 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
4345 | { | |
4c476991 JB |
4346 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4347 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 4348 | |
074ac8df | 4349 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4350 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4351 | return -EOPNOTSUPP; | |
67fbb16b | 4352 | |
4c476991 JB |
4353 | if (!rdev->ops->flush_pmksa) |
4354 | return -EOPNOTSUPP; | |
67fbb16b | 4355 | |
4c476991 | 4356 | return rdev->ops->flush_pmksa(&rdev->wiphy, dev); |
67fbb16b SO |
4357 | } |
4358 | ||
9588bbd5 JM |
4359 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
4360 | struct genl_info *info) | |
4361 | { | |
4c476991 JB |
4362 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4363 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 JM |
4364 | struct ieee80211_channel *chan; |
4365 | struct sk_buff *msg; | |
4366 | void *hdr; | |
4367 | u64 cookie; | |
4368 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
4369 | u32 freq, duration; | |
4370 | int err; | |
4371 | ||
4372 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
4373 | !info->attrs[NL80211_ATTR_DURATION]) | |
4374 | return -EINVAL; | |
4375 | ||
4376 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
4377 | ||
4378 | /* | |
4379 | * We should be on that channel for at least one jiffie, | |
4380 | * and more than 5 seconds seems excessive. | |
4381 | */ | |
a293911d JB |
4382 | if (!duration || !msecs_to_jiffies(duration) || |
4383 | duration > rdev->wiphy.max_remain_on_channel_duration) | |
9588bbd5 JM |
4384 | return -EINVAL; |
4385 | ||
4c476991 JB |
4386 | if (!rdev->ops->remain_on_channel) |
4387 | return -EOPNOTSUPP; | |
9588bbd5 | 4388 | |
9588bbd5 JM |
4389 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
4390 | channel_type = nla_get_u32( | |
4391 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
4392 | if (channel_type != NL80211_CHAN_NO_HT && | |
4393 | channel_type != NL80211_CHAN_HT20 && | |
4394 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
4395 | channel_type != NL80211_CHAN_HT40MINUS) |
4396 | return -EINVAL; | |
9588bbd5 JM |
4397 | } |
4398 | ||
4399 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
4400 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
4401 | if (chan == NULL) |
4402 | return -EINVAL; | |
9588bbd5 JM |
4403 | |
4404 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
4405 | if (!msg) |
4406 | return -ENOMEM; | |
9588bbd5 JM |
4407 | |
4408 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
4409 | NL80211_CMD_REMAIN_ON_CHANNEL); | |
4410 | ||
4411 | if (IS_ERR(hdr)) { | |
4412 | err = PTR_ERR(hdr); | |
4413 | goto free_msg; | |
4414 | } | |
4415 | ||
4416 | err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan, | |
4417 | channel_type, duration, &cookie); | |
4418 | ||
4419 | if (err) | |
4420 | goto free_msg; | |
4421 | ||
4422 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
4423 | ||
4424 | genlmsg_end(msg, hdr); | |
4c476991 JB |
4425 | |
4426 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
4427 | |
4428 | nla_put_failure: | |
4429 | err = -ENOBUFS; | |
4430 | free_msg: | |
4431 | nlmsg_free(msg); | |
9588bbd5 JM |
4432 | return err; |
4433 | } | |
4434 | ||
4435 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
4436 | struct genl_info *info) | |
4437 | { | |
4c476991 JB |
4438 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4439 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 | 4440 | u64 cookie; |
9588bbd5 JM |
4441 | |
4442 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
4443 | return -EINVAL; | |
4444 | ||
4c476991 JB |
4445 | if (!rdev->ops->cancel_remain_on_channel) |
4446 | return -EOPNOTSUPP; | |
9588bbd5 | 4447 | |
9588bbd5 JM |
4448 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
4449 | ||
4c476991 | 4450 | return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); |
9588bbd5 JM |
4451 | } |
4452 | ||
13ae75b1 JM |
4453 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
4454 | u8 *rates, u8 rates_len) | |
4455 | { | |
4456 | u8 i; | |
4457 | u32 mask = 0; | |
4458 | ||
4459 | for (i = 0; i < rates_len; i++) { | |
4460 | int rate = (rates[i] & 0x7f) * 5; | |
4461 | int ridx; | |
4462 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
4463 | struct ieee80211_rate *srate = | |
4464 | &sband->bitrates[ridx]; | |
4465 | if (rate == srate->bitrate) { | |
4466 | mask |= 1 << ridx; | |
4467 | break; | |
4468 | } | |
4469 | } | |
4470 | if (ridx == sband->n_bitrates) | |
4471 | return 0; /* rate not found */ | |
4472 | } | |
4473 | ||
4474 | return mask; | |
4475 | } | |
4476 | ||
b54452b0 | 4477 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
4478 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
4479 | .len = NL80211_MAX_SUPP_RATES }, | |
4480 | }; | |
4481 | ||
4482 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
4483 | struct genl_info *info) | |
4484 | { | |
4485 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 4486 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 4487 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
4488 | int rem, i; |
4489 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
4490 | struct nlattr *tx_rates; |
4491 | struct ieee80211_supported_band *sband; | |
4492 | ||
4493 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
4494 | return -EINVAL; | |
4495 | ||
4c476991 JB |
4496 | if (!rdev->ops->set_bitrate_mask) |
4497 | return -EOPNOTSUPP; | |
13ae75b1 JM |
4498 | |
4499 | memset(&mask, 0, sizeof(mask)); | |
4500 | /* Default to all rates enabled */ | |
4501 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
4502 | sband = rdev->wiphy.bands[i]; | |
4503 | mask.control[i].legacy = | |
4504 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
4505 | } | |
4506 | ||
4507 | /* | |
4508 | * The nested attribute uses enum nl80211_band as the index. This maps | |
4509 | * directly to the enum ieee80211_band values used in cfg80211. | |
4510 | */ | |
4511 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) | |
4512 | { | |
4513 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
4514 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
4515 | return -EINVAL; | |
13ae75b1 | 4516 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
4517 | if (sband == NULL) |
4518 | return -EINVAL; | |
13ae75b1 JM |
4519 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
4520 | nla_len(tx_rates), nl80211_txattr_policy); | |
4521 | if (tb[NL80211_TXRATE_LEGACY]) { | |
4522 | mask.control[band].legacy = rateset_to_mask( | |
4523 | sband, | |
4524 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
4525 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
4c476991 JB |
4526 | if (mask.control[band].legacy == 0) |
4527 | return -EINVAL; | |
13ae75b1 JM |
4528 | } |
4529 | } | |
4530 | ||
4c476991 | 4531 | return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask); |
13ae75b1 JM |
4532 | } |
4533 | ||
2e161f78 | 4534 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 4535 | { |
4c476991 JB |
4536 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4537 | struct net_device *dev = info->user_ptr[1]; | |
2e161f78 | 4538 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
4539 | |
4540 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
4541 | return -EINVAL; | |
4542 | ||
2e161f78 JB |
4543 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
4544 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 4545 | |
9d38d85d | 4546 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 4547 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
4548 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
4549 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4550 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 4551 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4552 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4553 | return -EOPNOTSUPP; | |
026331c4 JM |
4554 | |
4555 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
4556 | if (!rdev->ops->mgmt_tx) |
4557 | return -EOPNOTSUPP; | |
026331c4 | 4558 | |
4c476991 | 4559 | return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid, |
2e161f78 | 4560 | frame_type, |
026331c4 JM |
4561 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
4562 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
4563 | } |
4564 | ||
2e161f78 | 4565 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 4566 | { |
4c476991 JB |
4567 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4568 | struct net_device *dev = info->user_ptr[1]; | |
026331c4 JM |
4569 | struct ieee80211_channel *chan; |
4570 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
252aa631 | 4571 | bool channel_type_valid = false; |
026331c4 JM |
4572 | u32 freq; |
4573 | int err; | |
4574 | void *hdr; | |
4575 | u64 cookie; | |
4576 | struct sk_buff *msg; | |
f7ca38df JB |
4577 | unsigned int wait = 0; |
4578 | bool offchan; | |
026331c4 JM |
4579 | |
4580 | if (!info->attrs[NL80211_ATTR_FRAME] || | |
4581 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
4582 | return -EINVAL; | |
4583 | ||
4c476991 JB |
4584 | if (!rdev->ops->mgmt_tx) |
4585 | return -EOPNOTSUPP; | |
026331c4 | 4586 | |
9d38d85d | 4587 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 4588 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
4589 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
4590 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4591 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 4592 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4593 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4594 | return -EOPNOTSUPP; | |
026331c4 | 4595 | |
f7ca38df JB |
4596 | if (info->attrs[NL80211_ATTR_DURATION]) { |
4597 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
4598 | return -EINVAL; | |
4599 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
4600 | } | |
4601 | ||
026331c4 JM |
4602 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
4603 | channel_type = nla_get_u32( | |
4604 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
4605 | if (channel_type != NL80211_CHAN_NO_HT && | |
4606 | channel_type != NL80211_CHAN_HT20 && | |
4607 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
4608 | channel_type != NL80211_CHAN_HT40MINUS) |
4609 | return -EINVAL; | |
252aa631 | 4610 | channel_type_valid = true; |
026331c4 JM |
4611 | } |
4612 | ||
f7ca38df JB |
4613 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
4614 | ||
026331c4 JM |
4615 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); |
4616 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
4617 | if (chan == NULL) |
4618 | return -EINVAL; | |
026331c4 JM |
4619 | |
4620 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
4621 | if (!msg) |
4622 | return -ENOMEM; | |
026331c4 JM |
4623 | |
4624 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
2e161f78 | 4625 | NL80211_CMD_FRAME); |
026331c4 JM |
4626 | |
4627 | if (IS_ERR(hdr)) { | |
4628 | err = PTR_ERR(hdr); | |
4629 | goto free_msg; | |
4630 | } | |
f7ca38df JB |
4631 | err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type, |
4632 | channel_type_valid, wait, | |
2e161f78 JB |
4633 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
4634 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
4635 | &cookie); | |
026331c4 JM |
4636 | if (err) |
4637 | goto free_msg; | |
4638 | ||
4639 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
4640 | ||
4641 | genlmsg_end(msg, hdr); | |
4c476991 | 4642 | return genlmsg_reply(msg, info); |
026331c4 JM |
4643 | |
4644 | nla_put_failure: | |
4645 | err = -ENOBUFS; | |
4646 | free_msg: | |
4647 | nlmsg_free(msg); | |
026331c4 JM |
4648 | return err; |
4649 | } | |
4650 | ||
f7ca38df JB |
4651 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
4652 | { | |
4653 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4654 | struct net_device *dev = info->user_ptr[1]; | |
4655 | u64 cookie; | |
4656 | ||
4657 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
4658 | return -EINVAL; | |
4659 | ||
4660 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
4661 | return -EOPNOTSUPP; | |
4662 | ||
4663 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && | |
4664 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
4665 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && | |
4666 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4667 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
4668 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4669 | return -EOPNOTSUPP; | |
4670 | ||
4671 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
4672 | ||
4673 | return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie); | |
4674 | } | |
4675 | ||
ffb9eb3d KV |
4676 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
4677 | { | |
4c476991 | 4678 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 4679 | struct wireless_dev *wdev; |
4c476991 | 4680 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
4681 | u8 ps_state; |
4682 | bool state; | |
4683 | int err; | |
4684 | ||
4c476991 JB |
4685 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
4686 | return -EINVAL; | |
ffb9eb3d KV |
4687 | |
4688 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
4689 | ||
4c476991 JB |
4690 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
4691 | return -EINVAL; | |
ffb9eb3d KV |
4692 | |
4693 | wdev = dev->ieee80211_ptr; | |
4694 | ||
4c476991 JB |
4695 | if (!rdev->ops->set_power_mgmt) |
4696 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
4697 | |
4698 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
4699 | ||
4700 | if (state == wdev->ps) | |
4c476991 | 4701 | return 0; |
ffb9eb3d | 4702 | |
4c476991 JB |
4703 | err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state, |
4704 | wdev->ps_timeout); | |
4705 | if (!err) | |
4706 | wdev->ps = state; | |
ffb9eb3d KV |
4707 | return err; |
4708 | } | |
4709 | ||
4710 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
4711 | { | |
4c476991 | 4712 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
4713 | enum nl80211_ps_state ps_state; |
4714 | struct wireless_dev *wdev; | |
4c476991 | 4715 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
4716 | struct sk_buff *msg; |
4717 | void *hdr; | |
4718 | int err; | |
4719 | ||
ffb9eb3d KV |
4720 | wdev = dev->ieee80211_ptr; |
4721 | ||
4c476991 JB |
4722 | if (!rdev->ops->set_power_mgmt) |
4723 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
4724 | |
4725 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
4726 | if (!msg) |
4727 | return -ENOMEM; | |
ffb9eb3d KV |
4728 | |
4729 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
4730 | NL80211_CMD_GET_POWER_SAVE); | |
4731 | if (!hdr) { | |
4c476991 | 4732 | err = -ENOBUFS; |
ffb9eb3d KV |
4733 | goto free_msg; |
4734 | } | |
4735 | ||
4736 | if (wdev->ps) | |
4737 | ps_state = NL80211_PS_ENABLED; | |
4738 | else | |
4739 | ps_state = NL80211_PS_DISABLED; | |
4740 | ||
4741 | NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state); | |
4742 | ||
4743 | genlmsg_end(msg, hdr); | |
4c476991 | 4744 | return genlmsg_reply(msg, info); |
ffb9eb3d | 4745 | |
4c476991 | 4746 | nla_put_failure: |
ffb9eb3d | 4747 | err = -ENOBUFS; |
4c476991 | 4748 | free_msg: |
ffb9eb3d | 4749 | nlmsg_free(msg); |
ffb9eb3d KV |
4750 | return err; |
4751 | } | |
4752 | ||
d6dc1a38 JO |
4753 | static struct nla_policy |
4754 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
4755 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
4756 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
4757 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
4758 | }; | |
4759 | ||
4760 | static int nl80211_set_cqm_rssi(struct genl_info *info, | |
4761 | s32 threshold, u32 hysteresis) | |
4762 | { | |
4c476991 | 4763 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
d6dc1a38 | 4764 | struct wireless_dev *wdev; |
4c476991 | 4765 | struct net_device *dev = info->user_ptr[1]; |
d6dc1a38 JO |
4766 | |
4767 | if (threshold > 0) | |
4768 | return -EINVAL; | |
4769 | ||
d6dc1a38 JO |
4770 | wdev = dev->ieee80211_ptr; |
4771 | ||
4c476991 JB |
4772 | if (!rdev->ops->set_cqm_rssi_config) |
4773 | return -EOPNOTSUPP; | |
d6dc1a38 | 4774 | |
074ac8df | 4775 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4776 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4777 | return -EOPNOTSUPP; | |
d6dc1a38 | 4778 | |
4c476991 JB |
4779 | return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev, |
4780 | threshold, hysteresis); | |
d6dc1a38 JO |
4781 | } |
4782 | ||
4783 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
4784 | { | |
4785 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
4786 | struct nlattr *cqm; | |
4787 | int err; | |
4788 | ||
4789 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
4790 | if (!cqm) { | |
4791 | err = -EINVAL; | |
4792 | goto out; | |
4793 | } | |
4794 | ||
4795 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
4796 | nl80211_attr_cqm_policy); | |
4797 | if (err) | |
4798 | goto out; | |
4799 | ||
4800 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
4801 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
4802 | s32 threshold; | |
4803 | u32 hysteresis; | |
4804 | threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
4805 | hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
4806 | err = nl80211_set_cqm_rssi(info, threshold, hysteresis); | |
4807 | } else | |
4808 | err = -EINVAL; | |
4809 | ||
4810 | out: | |
4811 | return err; | |
4812 | } | |
4813 | ||
29cbe68c JB |
4814 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
4815 | { | |
4816 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4817 | struct net_device *dev = info->user_ptr[1]; | |
4818 | struct mesh_config cfg; | |
c80d545d | 4819 | struct mesh_setup setup; |
29cbe68c JB |
4820 | int err; |
4821 | ||
4822 | /* start with default */ | |
4823 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 4824 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 4825 | |
24bdd9f4 | 4826 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 4827 | /* and parse parameters if given */ |
24bdd9f4 | 4828 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
4829 | if (err) |
4830 | return err; | |
4831 | } | |
4832 | ||
4833 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
4834 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
4835 | return -EINVAL; | |
4836 | ||
c80d545d JC |
4837 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
4838 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
4839 | ||
4840 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { | |
4841 | /* parse additional setup parameters if given */ | |
4842 | err = nl80211_parse_mesh_setup(info, &setup); | |
4843 | if (err) | |
4844 | return err; | |
4845 | } | |
4846 | ||
4847 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); | |
29cbe68c JB |
4848 | } |
4849 | ||
4850 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
4851 | { | |
4852 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4853 | struct net_device *dev = info->user_ptr[1]; | |
4854 | ||
4855 | return cfg80211_leave_mesh(rdev, dev); | |
4856 | } | |
4857 | ||
ff1b6e69 JB |
4858 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
4859 | { | |
4860 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4861 | struct sk_buff *msg; | |
4862 | void *hdr; | |
4863 | ||
4864 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
4865 | return -EOPNOTSUPP; | |
4866 | ||
4867 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4868 | if (!msg) | |
4869 | return -ENOMEM; | |
4870 | ||
4871 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
4872 | NL80211_CMD_GET_WOWLAN); | |
4873 | if (!hdr) | |
4874 | goto nla_put_failure; | |
4875 | ||
4876 | if (rdev->wowlan) { | |
4877 | struct nlattr *nl_wowlan; | |
4878 | ||
4879 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
4880 | if (!nl_wowlan) | |
4881 | goto nla_put_failure; | |
4882 | ||
4883 | if (rdev->wowlan->any) | |
4884 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
4885 | if (rdev->wowlan->disconnect) | |
4886 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
4887 | if (rdev->wowlan->magic_pkt) | |
4888 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
4889 | if (rdev->wowlan->n_patterns) { | |
4890 | struct nlattr *nl_pats, *nl_pat; | |
4891 | int i, pat_len; | |
4892 | ||
4893 | nl_pats = nla_nest_start(msg, | |
4894 | NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
4895 | if (!nl_pats) | |
4896 | goto nla_put_failure; | |
4897 | ||
4898 | for (i = 0; i < rdev->wowlan->n_patterns; i++) { | |
4899 | nl_pat = nla_nest_start(msg, i + 1); | |
4900 | if (!nl_pat) | |
4901 | goto nla_put_failure; | |
4902 | pat_len = rdev->wowlan->patterns[i].pattern_len; | |
4903 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK, | |
4904 | DIV_ROUND_UP(pat_len, 8), | |
4905 | rdev->wowlan->patterns[i].mask); | |
4906 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN, | |
4907 | pat_len, | |
4908 | rdev->wowlan->patterns[i].pattern); | |
4909 | nla_nest_end(msg, nl_pat); | |
4910 | } | |
4911 | nla_nest_end(msg, nl_pats); | |
4912 | } | |
4913 | ||
4914 | nla_nest_end(msg, nl_wowlan); | |
4915 | } | |
4916 | ||
4917 | genlmsg_end(msg, hdr); | |
4918 | return genlmsg_reply(msg, info); | |
4919 | ||
4920 | nla_put_failure: | |
4921 | nlmsg_free(msg); | |
4922 | return -ENOBUFS; | |
4923 | } | |
4924 | ||
4925 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) | |
4926 | { | |
4927 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4928 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
4929 | struct cfg80211_wowlan no_triggers = {}; | |
4930 | struct cfg80211_wowlan new_triggers = {}; | |
4931 | struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; | |
4932 | int err, i; | |
4933 | ||
4934 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
4935 | return -EOPNOTSUPP; | |
4936 | ||
4937 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) | |
4938 | goto no_triggers; | |
4939 | ||
4940 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
4941 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
4942 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
4943 | nl80211_wowlan_policy); | |
4944 | if (err) | |
4945 | return err; | |
4946 | ||
4947 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
4948 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
4949 | return -EINVAL; | |
4950 | new_triggers.any = true; | |
4951 | } | |
4952 | ||
4953 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
4954 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
4955 | return -EINVAL; | |
4956 | new_triggers.disconnect = true; | |
4957 | } | |
4958 | ||
4959 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
4960 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
4961 | return -EINVAL; | |
4962 | new_triggers.magic_pkt = true; | |
4963 | } | |
4964 | ||
4965 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { | |
4966 | struct nlattr *pat; | |
4967 | int n_patterns = 0; | |
4968 | int rem, pat_len, mask_len; | |
4969 | struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; | |
4970 | ||
4971 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
4972 | rem) | |
4973 | n_patterns++; | |
4974 | if (n_patterns > wowlan->n_patterns) | |
4975 | return -EINVAL; | |
4976 | ||
4977 | new_triggers.patterns = kcalloc(n_patterns, | |
4978 | sizeof(new_triggers.patterns[0]), | |
4979 | GFP_KERNEL); | |
4980 | if (!new_triggers.patterns) | |
4981 | return -ENOMEM; | |
4982 | ||
4983 | new_triggers.n_patterns = n_patterns; | |
4984 | i = 0; | |
4985 | ||
4986 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
4987 | rem) { | |
4988 | nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT, | |
4989 | nla_data(pat), nla_len(pat), NULL); | |
4990 | err = -EINVAL; | |
4991 | if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] || | |
4992 | !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]) | |
4993 | goto error; | |
4994 | pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]); | |
4995 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
4996 | if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) != | |
4997 | mask_len) | |
4998 | goto error; | |
4999 | if (pat_len > wowlan->pattern_max_len || | |
5000 | pat_len < wowlan->pattern_min_len) | |
5001 | goto error; | |
5002 | ||
5003 | new_triggers.patterns[i].mask = | |
5004 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
5005 | if (!new_triggers.patterns[i].mask) { | |
5006 | err = -ENOMEM; | |
5007 | goto error; | |
5008 | } | |
5009 | new_triggers.patterns[i].pattern = | |
5010 | new_triggers.patterns[i].mask + mask_len; | |
5011 | memcpy(new_triggers.patterns[i].mask, | |
5012 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]), | |
5013 | mask_len); | |
5014 | new_triggers.patterns[i].pattern_len = pat_len; | |
5015 | memcpy(new_triggers.patterns[i].pattern, | |
5016 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]), | |
5017 | pat_len); | |
5018 | i++; | |
5019 | } | |
5020 | } | |
5021 | ||
5022 | if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) { | |
5023 | struct cfg80211_wowlan *ntrig; | |
5024 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), | |
5025 | GFP_KERNEL); | |
5026 | if (!ntrig) { | |
5027 | err = -ENOMEM; | |
5028 | goto error; | |
5029 | } | |
5030 | cfg80211_rdev_free_wowlan(rdev); | |
5031 | rdev->wowlan = ntrig; | |
5032 | } else { | |
5033 | no_triggers: | |
5034 | cfg80211_rdev_free_wowlan(rdev); | |
5035 | rdev->wowlan = NULL; | |
5036 | } | |
5037 | ||
5038 | return 0; | |
5039 | error: | |
5040 | for (i = 0; i < new_triggers.n_patterns; i++) | |
5041 | kfree(new_triggers.patterns[i].mask); | |
5042 | kfree(new_triggers.patterns); | |
5043 | return err; | |
5044 | } | |
5045 | ||
4c476991 JB |
5046 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
5047 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
5048 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
5049 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
5050 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
5051 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 JB |
5052 | |
5053 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, | |
5054 | struct genl_info *info) | |
5055 | { | |
5056 | struct cfg80211_registered_device *rdev; | |
5057 | struct net_device *dev; | |
5058 | int err; | |
5059 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; | |
5060 | ||
5061 | if (rtnl) | |
5062 | rtnl_lock(); | |
5063 | ||
5064 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
5065 | rdev = cfg80211_get_dev_from_info(info); | |
5066 | if (IS_ERR(rdev)) { | |
5067 | if (rtnl) | |
5068 | rtnl_unlock(); | |
5069 | return PTR_ERR(rdev); | |
5070 | } | |
5071 | info->user_ptr[0] = rdev; | |
5072 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { | |
5073 | err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); | |
5074 | if (err) { | |
5075 | if (rtnl) | |
5076 | rtnl_unlock(); | |
5077 | return err; | |
5078 | } | |
41265714 JB |
5079 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
5080 | !netif_running(dev)) { | |
d537f5fd JB |
5081 | cfg80211_unlock_rdev(rdev); |
5082 | dev_put(dev); | |
41265714 JB |
5083 | if (rtnl) |
5084 | rtnl_unlock(); | |
5085 | return -ENETDOWN; | |
5086 | } | |
4c476991 JB |
5087 | info->user_ptr[0] = rdev; |
5088 | info->user_ptr[1] = dev; | |
5089 | } | |
5090 | ||
5091 | return 0; | |
5092 | } | |
5093 | ||
5094 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
5095 | struct genl_info *info) | |
5096 | { | |
5097 | if (info->user_ptr[0]) | |
5098 | cfg80211_unlock_rdev(info->user_ptr[0]); | |
5099 | if (info->user_ptr[1]) | |
5100 | dev_put(info->user_ptr[1]); | |
5101 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) | |
5102 | rtnl_unlock(); | |
5103 | } | |
5104 | ||
55682965 JB |
5105 | static struct genl_ops nl80211_ops[] = { |
5106 | { | |
5107 | .cmd = NL80211_CMD_GET_WIPHY, | |
5108 | .doit = nl80211_get_wiphy, | |
5109 | .dumpit = nl80211_dump_wiphy, | |
5110 | .policy = nl80211_policy, | |
5111 | /* can be retrieved by unprivileged users */ | |
4c476991 | 5112 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
55682965 JB |
5113 | }, |
5114 | { | |
5115 | .cmd = NL80211_CMD_SET_WIPHY, | |
5116 | .doit = nl80211_set_wiphy, | |
5117 | .policy = nl80211_policy, | |
5118 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 5119 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
5120 | }, |
5121 | { | |
5122 | .cmd = NL80211_CMD_GET_INTERFACE, | |
5123 | .doit = nl80211_get_interface, | |
5124 | .dumpit = nl80211_dump_interface, | |
5125 | .policy = nl80211_policy, | |
5126 | /* can be retrieved by unprivileged users */ | |
4c476991 | 5127 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
55682965 JB |
5128 | }, |
5129 | { | |
5130 | .cmd = NL80211_CMD_SET_INTERFACE, | |
5131 | .doit = nl80211_set_interface, | |
5132 | .policy = nl80211_policy, | |
5133 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5134 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5135 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
5136 | }, |
5137 | { | |
5138 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
5139 | .doit = nl80211_new_interface, | |
5140 | .policy = nl80211_policy, | |
5141 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5142 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
5143 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
5144 | }, |
5145 | { | |
5146 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
5147 | .doit = nl80211_del_interface, | |
5148 | .policy = nl80211_policy, | |
41ade00f | 5149 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5150 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5151 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
5152 | }, |
5153 | { | |
5154 | .cmd = NL80211_CMD_GET_KEY, | |
5155 | .doit = nl80211_get_key, | |
5156 | .policy = nl80211_policy, | |
5157 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5158 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5159 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
5160 | }, |
5161 | { | |
5162 | .cmd = NL80211_CMD_SET_KEY, | |
5163 | .doit = nl80211_set_key, | |
5164 | .policy = nl80211_policy, | |
5165 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5166 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5167 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
5168 | }, |
5169 | { | |
5170 | .cmd = NL80211_CMD_NEW_KEY, | |
5171 | .doit = nl80211_new_key, | |
5172 | .policy = nl80211_policy, | |
5173 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5174 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5175 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
5176 | }, |
5177 | { | |
5178 | .cmd = NL80211_CMD_DEL_KEY, | |
5179 | .doit = nl80211_del_key, | |
5180 | .policy = nl80211_policy, | |
55682965 | 5181 | .flags = GENL_ADMIN_PERM, |
41265714 | 5182 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5183 | NL80211_FLAG_NEED_RTNL, |
55682965 | 5184 | }, |
ed1b6cc7 JB |
5185 | { |
5186 | .cmd = NL80211_CMD_SET_BEACON, | |
5187 | .policy = nl80211_policy, | |
5188 | .flags = GENL_ADMIN_PERM, | |
5189 | .doit = nl80211_addset_beacon, | |
4c476991 JB |
5190 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5191 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
5192 | }, |
5193 | { | |
5194 | .cmd = NL80211_CMD_NEW_BEACON, | |
5195 | .policy = nl80211_policy, | |
5196 | .flags = GENL_ADMIN_PERM, | |
5197 | .doit = nl80211_addset_beacon, | |
4c476991 JB |
5198 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5199 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
5200 | }, |
5201 | { | |
5202 | .cmd = NL80211_CMD_DEL_BEACON, | |
5203 | .policy = nl80211_policy, | |
5204 | .flags = GENL_ADMIN_PERM, | |
5205 | .doit = nl80211_del_beacon, | |
4c476991 JB |
5206 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5207 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 | 5208 | }, |
5727ef1b JB |
5209 | { |
5210 | .cmd = NL80211_CMD_GET_STATION, | |
5211 | .doit = nl80211_get_station, | |
2ec600d6 | 5212 | .dumpit = nl80211_dump_station, |
5727ef1b | 5213 | .policy = nl80211_policy, |
4c476991 JB |
5214 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5215 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
5216 | }, |
5217 | { | |
5218 | .cmd = NL80211_CMD_SET_STATION, | |
5219 | .doit = nl80211_set_station, | |
5220 | .policy = nl80211_policy, | |
5221 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5222 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5223 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
5224 | }, |
5225 | { | |
5226 | .cmd = NL80211_CMD_NEW_STATION, | |
5227 | .doit = nl80211_new_station, | |
5228 | .policy = nl80211_policy, | |
5229 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5230 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5231 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
5232 | }, |
5233 | { | |
5234 | .cmd = NL80211_CMD_DEL_STATION, | |
5235 | .doit = nl80211_del_station, | |
5236 | .policy = nl80211_policy, | |
2ec600d6 | 5237 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5238 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5239 | NL80211_FLAG_NEED_RTNL, | |
2ec600d6 LCC |
5240 | }, |
5241 | { | |
5242 | .cmd = NL80211_CMD_GET_MPATH, | |
5243 | .doit = nl80211_get_mpath, | |
5244 | .dumpit = nl80211_dump_mpath, | |
5245 | .policy = nl80211_policy, | |
5246 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5247 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5248 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
5249 | }, |
5250 | { | |
5251 | .cmd = NL80211_CMD_SET_MPATH, | |
5252 | .doit = nl80211_set_mpath, | |
5253 | .policy = nl80211_policy, | |
5254 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5255 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5256 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
5257 | }, |
5258 | { | |
5259 | .cmd = NL80211_CMD_NEW_MPATH, | |
5260 | .doit = nl80211_new_mpath, | |
5261 | .policy = nl80211_policy, | |
5262 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5263 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5264 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
5265 | }, |
5266 | { | |
5267 | .cmd = NL80211_CMD_DEL_MPATH, | |
5268 | .doit = nl80211_del_mpath, | |
5269 | .policy = nl80211_policy, | |
9f1ba906 | 5270 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5271 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5272 | NL80211_FLAG_NEED_RTNL, | |
9f1ba906 JM |
5273 | }, |
5274 | { | |
5275 | .cmd = NL80211_CMD_SET_BSS, | |
5276 | .doit = nl80211_set_bss, | |
5277 | .policy = nl80211_policy, | |
b2e1b302 | 5278 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5279 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5280 | NL80211_FLAG_NEED_RTNL, | |
b2e1b302 | 5281 | }, |
f130347c LR |
5282 | { |
5283 | .cmd = NL80211_CMD_GET_REG, | |
5284 | .doit = nl80211_get_reg, | |
5285 | .policy = nl80211_policy, | |
5286 | /* can be retrieved by unprivileged users */ | |
5287 | }, | |
b2e1b302 LR |
5288 | { |
5289 | .cmd = NL80211_CMD_SET_REG, | |
5290 | .doit = nl80211_set_reg, | |
5291 | .policy = nl80211_policy, | |
5292 | .flags = GENL_ADMIN_PERM, | |
5293 | }, | |
5294 | { | |
5295 | .cmd = NL80211_CMD_REQ_SET_REG, | |
5296 | .doit = nl80211_req_set_reg, | |
5297 | .policy = nl80211_policy, | |
93da9cc1 | 5298 | .flags = GENL_ADMIN_PERM, |
5299 | }, | |
5300 | { | |
24bdd9f4 JC |
5301 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
5302 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 5303 | .policy = nl80211_policy, |
5304 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
5305 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5306 | NL80211_FLAG_NEED_RTNL, | |
93da9cc1 | 5307 | }, |
5308 | { | |
24bdd9f4 JC |
5309 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
5310 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 5311 | .policy = nl80211_policy, |
9aed3cc1 | 5312 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 5313 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5314 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 5315 | }, |
2a519311 JB |
5316 | { |
5317 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
5318 | .doit = nl80211_trigger_scan, | |
5319 | .policy = nl80211_policy, | |
5320 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5321 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5322 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
5323 | }, |
5324 | { | |
5325 | .cmd = NL80211_CMD_GET_SCAN, | |
5326 | .policy = nl80211_policy, | |
5327 | .dumpit = nl80211_dump_scan, | |
5328 | }, | |
636a5d36 JM |
5329 | { |
5330 | .cmd = NL80211_CMD_AUTHENTICATE, | |
5331 | .doit = nl80211_authenticate, | |
5332 | .policy = nl80211_policy, | |
5333 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5334 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5335 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
5336 | }, |
5337 | { | |
5338 | .cmd = NL80211_CMD_ASSOCIATE, | |
5339 | .doit = nl80211_associate, | |
5340 | .policy = nl80211_policy, | |
5341 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5342 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5343 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
5344 | }, |
5345 | { | |
5346 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
5347 | .doit = nl80211_deauthenticate, | |
5348 | .policy = nl80211_policy, | |
5349 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5350 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5351 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
5352 | }, |
5353 | { | |
5354 | .cmd = NL80211_CMD_DISASSOCIATE, | |
5355 | .doit = nl80211_disassociate, | |
5356 | .policy = nl80211_policy, | |
5357 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5358 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5359 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 5360 | }, |
04a773ad JB |
5361 | { |
5362 | .cmd = NL80211_CMD_JOIN_IBSS, | |
5363 | .doit = nl80211_join_ibss, | |
5364 | .policy = nl80211_policy, | |
5365 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5366 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5367 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
5368 | }, |
5369 | { | |
5370 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
5371 | .doit = nl80211_leave_ibss, | |
5372 | .policy = nl80211_policy, | |
5373 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5374 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5375 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 5376 | }, |
aff89a9b JB |
5377 | #ifdef CONFIG_NL80211_TESTMODE |
5378 | { | |
5379 | .cmd = NL80211_CMD_TESTMODE, | |
5380 | .doit = nl80211_testmode_do, | |
5381 | .policy = nl80211_policy, | |
5382 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5383 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
5384 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
5385 | }, |
5386 | #endif | |
b23aa676 SO |
5387 | { |
5388 | .cmd = NL80211_CMD_CONNECT, | |
5389 | .doit = nl80211_connect, | |
5390 | .policy = nl80211_policy, | |
5391 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5392 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5393 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
5394 | }, |
5395 | { | |
5396 | .cmd = NL80211_CMD_DISCONNECT, | |
5397 | .doit = nl80211_disconnect, | |
5398 | .policy = nl80211_policy, | |
5399 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5400 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5401 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 5402 | }, |
463d0183 JB |
5403 | { |
5404 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
5405 | .doit = nl80211_wiphy_netns, | |
5406 | .policy = nl80211_policy, | |
5407 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5408 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
5409 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 5410 | }, |
61fa713c HS |
5411 | { |
5412 | .cmd = NL80211_CMD_GET_SURVEY, | |
5413 | .policy = nl80211_policy, | |
5414 | .dumpit = nl80211_dump_survey, | |
5415 | }, | |
67fbb16b SO |
5416 | { |
5417 | .cmd = NL80211_CMD_SET_PMKSA, | |
5418 | .doit = nl80211_setdel_pmksa, | |
5419 | .policy = nl80211_policy, | |
5420 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5421 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5422 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
5423 | }, |
5424 | { | |
5425 | .cmd = NL80211_CMD_DEL_PMKSA, | |
5426 | .doit = nl80211_setdel_pmksa, | |
5427 | .policy = nl80211_policy, | |
5428 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5429 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5430 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
5431 | }, |
5432 | { | |
5433 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
5434 | .doit = nl80211_flush_pmksa, | |
5435 | .policy = nl80211_policy, | |
5436 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5437 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5438 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b | 5439 | }, |
9588bbd5 JM |
5440 | { |
5441 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
5442 | .doit = nl80211_remain_on_channel, | |
5443 | .policy = nl80211_policy, | |
5444 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5445 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5446 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
5447 | }, |
5448 | { | |
5449 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
5450 | .doit = nl80211_cancel_remain_on_channel, | |
5451 | .policy = nl80211_policy, | |
5452 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5453 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5454 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 5455 | }, |
13ae75b1 JM |
5456 | { |
5457 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
5458 | .doit = nl80211_set_tx_bitrate_mask, | |
5459 | .policy = nl80211_policy, | |
5460 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5461 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5462 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 5463 | }, |
026331c4 | 5464 | { |
2e161f78 JB |
5465 | .cmd = NL80211_CMD_REGISTER_FRAME, |
5466 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
5467 | .policy = nl80211_policy, |
5468 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5469 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5470 | NL80211_FLAG_NEED_RTNL, | |
026331c4 JM |
5471 | }, |
5472 | { | |
2e161f78 JB |
5473 | .cmd = NL80211_CMD_FRAME, |
5474 | .doit = nl80211_tx_mgmt, | |
026331c4 | 5475 | .policy = nl80211_policy, |
f7ca38df JB |
5476 | .flags = GENL_ADMIN_PERM, |
5477 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5478 | NL80211_FLAG_NEED_RTNL, | |
5479 | }, | |
5480 | { | |
5481 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
5482 | .doit = nl80211_tx_mgmt_cancel_wait, | |
5483 | .policy = nl80211_policy, | |
026331c4 | 5484 | .flags = GENL_ADMIN_PERM, |
41265714 | 5485 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5486 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 5487 | }, |
ffb9eb3d KV |
5488 | { |
5489 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
5490 | .doit = nl80211_set_power_save, | |
5491 | .policy = nl80211_policy, | |
5492 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5493 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5494 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
5495 | }, |
5496 | { | |
5497 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
5498 | .doit = nl80211_get_power_save, | |
5499 | .policy = nl80211_policy, | |
5500 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
5501 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5502 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 5503 | }, |
d6dc1a38 JO |
5504 | { |
5505 | .cmd = NL80211_CMD_SET_CQM, | |
5506 | .doit = nl80211_set_cqm, | |
5507 | .policy = nl80211_policy, | |
5508 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5509 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5510 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 5511 | }, |
f444de05 JB |
5512 | { |
5513 | .cmd = NL80211_CMD_SET_CHANNEL, | |
5514 | .doit = nl80211_set_channel, | |
5515 | .policy = nl80211_policy, | |
5516 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5517 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5518 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 5519 | }, |
e8347eba BJ |
5520 | { |
5521 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
5522 | .doit = nl80211_set_wds_peer, | |
5523 | .policy = nl80211_policy, | |
5524 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
5525 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5526 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 5527 | }, |
29cbe68c JB |
5528 | { |
5529 | .cmd = NL80211_CMD_JOIN_MESH, | |
5530 | .doit = nl80211_join_mesh, | |
5531 | .policy = nl80211_policy, | |
5532 | .flags = GENL_ADMIN_PERM, | |
5533 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5534 | NL80211_FLAG_NEED_RTNL, | |
5535 | }, | |
5536 | { | |
5537 | .cmd = NL80211_CMD_LEAVE_MESH, | |
5538 | .doit = nl80211_leave_mesh, | |
5539 | .policy = nl80211_policy, | |
5540 | .flags = GENL_ADMIN_PERM, | |
5541 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5542 | NL80211_FLAG_NEED_RTNL, | |
5543 | }, | |
ff1b6e69 JB |
5544 | { |
5545 | .cmd = NL80211_CMD_GET_WOWLAN, | |
5546 | .doit = nl80211_get_wowlan, | |
5547 | .policy = nl80211_policy, | |
5548 | /* can be retrieved by unprivileged users */ | |
5549 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
5550 | NL80211_FLAG_NEED_RTNL, | |
5551 | }, | |
5552 | { | |
5553 | .cmd = NL80211_CMD_SET_WOWLAN, | |
5554 | .doit = nl80211_set_wowlan, | |
5555 | .policy = nl80211_policy, | |
5556 | .flags = GENL_ADMIN_PERM, | |
5557 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
5558 | NL80211_FLAG_NEED_RTNL, | |
5559 | }, | |
55682965 | 5560 | }; |
9588bbd5 | 5561 | |
6039f6d2 JM |
5562 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
5563 | .name = "mlme", | |
5564 | }; | |
55682965 JB |
5565 | |
5566 | /* multicast groups */ | |
5567 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
5568 | .name = "config", | |
5569 | }; | |
2a519311 JB |
5570 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
5571 | .name = "scan", | |
5572 | }; | |
73d54c9e LR |
5573 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
5574 | .name = "regulatory", | |
5575 | }; | |
55682965 JB |
5576 | |
5577 | /* notification functions */ | |
5578 | ||
5579 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
5580 | { | |
5581 | struct sk_buff *msg; | |
5582 | ||
fd2120ca | 5583 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
5584 | if (!msg) |
5585 | return; | |
5586 | ||
5587 | if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { | |
5588 | nlmsg_free(msg); | |
5589 | return; | |
5590 | } | |
5591 | ||
463d0183 JB |
5592 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
5593 | nl80211_config_mcgrp.id, GFP_KERNEL); | |
55682965 JB |
5594 | } |
5595 | ||
362a415d JB |
5596 | static int nl80211_add_scan_req(struct sk_buff *msg, |
5597 | struct cfg80211_registered_device *rdev) | |
5598 | { | |
5599 | struct cfg80211_scan_request *req = rdev->scan_req; | |
5600 | struct nlattr *nest; | |
5601 | int i; | |
5602 | ||
667503dd JB |
5603 | ASSERT_RDEV_LOCK(rdev); |
5604 | ||
362a415d JB |
5605 | if (WARN_ON(!req)) |
5606 | return 0; | |
5607 | ||
5608 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
5609 | if (!nest) | |
5610 | goto nla_put_failure; | |
5611 | for (i = 0; i < req->n_ssids; i++) | |
5612 | NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid); | |
5613 | nla_nest_end(msg, nest); | |
5614 | ||
5615 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
5616 | if (!nest) | |
5617 | goto nla_put_failure; | |
5618 | for (i = 0; i < req->n_channels; i++) | |
5619 | NLA_PUT_U32(msg, i, req->channels[i]->center_freq); | |
5620 | nla_nest_end(msg, nest); | |
5621 | ||
5622 | if (req->ie) | |
5623 | NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie); | |
5624 | ||
5625 | return 0; | |
5626 | nla_put_failure: | |
5627 | return -ENOBUFS; | |
5628 | } | |
5629 | ||
a538e2d5 JB |
5630 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
5631 | struct cfg80211_registered_device *rdev, | |
5632 | struct net_device *netdev, | |
5633 | u32 pid, u32 seq, int flags, | |
5634 | u32 cmd) | |
2a519311 JB |
5635 | { |
5636 | void *hdr; | |
5637 | ||
5638 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); | |
5639 | if (!hdr) | |
5640 | return -1; | |
5641 | ||
b5850a7a | 5642 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
2a519311 JB |
5643 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
5644 | ||
362a415d JB |
5645 | /* ignore errors and send incomplete event anyway */ |
5646 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
5647 | |
5648 | return genlmsg_end(msg, hdr); | |
5649 | ||
5650 | nla_put_failure: | |
5651 | genlmsg_cancel(msg, hdr); | |
5652 | return -EMSGSIZE; | |
5653 | } | |
5654 | ||
a538e2d5 JB |
5655 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
5656 | struct net_device *netdev) | |
5657 | { | |
5658 | struct sk_buff *msg; | |
5659 | ||
5660 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
5661 | if (!msg) | |
5662 | return; | |
5663 | ||
5664 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
5665 | NL80211_CMD_TRIGGER_SCAN) < 0) { | |
5666 | nlmsg_free(msg); | |
5667 | return; | |
5668 | } | |
5669 | ||
463d0183 JB |
5670 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
5671 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
a538e2d5 JB |
5672 | } |
5673 | ||
2a519311 JB |
5674 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
5675 | struct net_device *netdev) | |
5676 | { | |
5677 | struct sk_buff *msg; | |
5678 | ||
fd2120ca | 5679 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
5680 | if (!msg) |
5681 | return; | |
5682 | ||
a538e2d5 JB |
5683 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
5684 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 JB |
5685 | nlmsg_free(msg); |
5686 | return; | |
5687 | } | |
5688 | ||
463d0183 JB |
5689 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
5690 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
5691 | } |
5692 | ||
5693 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
5694 | struct net_device *netdev) | |
5695 | { | |
5696 | struct sk_buff *msg; | |
5697 | ||
fd2120ca | 5698 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
5699 | if (!msg) |
5700 | return; | |
5701 | ||
a538e2d5 JB |
5702 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
5703 | NL80211_CMD_SCAN_ABORTED) < 0) { | |
2a519311 JB |
5704 | nlmsg_free(msg); |
5705 | return; | |
5706 | } | |
5707 | ||
463d0183 JB |
5708 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
5709 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
5710 | } |
5711 | ||
73d54c9e LR |
5712 | /* |
5713 | * This can happen on global regulatory changes or device specific settings | |
5714 | * based on custom world regulatory domains. | |
5715 | */ | |
5716 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
5717 | { | |
5718 | struct sk_buff *msg; | |
5719 | void *hdr; | |
5720 | ||
fd2120ca | 5721 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
5722 | if (!msg) |
5723 | return; | |
5724 | ||
5725 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
5726 | if (!hdr) { | |
5727 | nlmsg_free(msg); | |
5728 | return; | |
5729 | } | |
5730 | ||
5731 | /* Userspace can always count this one always being set */ | |
5732 | NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator); | |
5733 | ||
5734 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') | |
5735 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
5736 | NL80211_REGDOM_TYPE_WORLD); | |
5737 | else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') | |
5738 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
5739 | NL80211_REGDOM_TYPE_CUSTOM_WORLD); | |
5740 | else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
5741 | request->intersect) | |
5742 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
5743 | NL80211_REGDOM_TYPE_INTERSECTION); | |
5744 | else { | |
5745 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
5746 | NL80211_REGDOM_TYPE_COUNTRY); | |
5747 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2); | |
5748 | } | |
5749 | ||
5750 | if (wiphy_idx_valid(request->wiphy_idx)) | |
5751 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx); | |
5752 | ||
5753 | if (genlmsg_end(msg, hdr) < 0) { | |
5754 | nlmsg_free(msg); | |
5755 | return; | |
5756 | } | |
5757 | ||
bc43b28c | 5758 | rcu_read_lock(); |
463d0183 | 5759 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
bc43b28c JB |
5760 | GFP_ATOMIC); |
5761 | rcu_read_unlock(); | |
73d54c9e LR |
5762 | |
5763 | return; | |
5764 | ||
5765 | nla_put_failure: | |
5766 | genlmsg_cancel(msg, hdr); | |
5767 | nlmsg_free(msg); | |
5768 | } | |
5769 | ||
6039f6d2 JM |
5770 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
5771 | struct net_device *netdev, | |
5772 | const u8 *buf, size_t len, | |
e6d6e342 | 5773 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
5774 | { |
5775 | struct sk_buff *msg; | |
5776 | void *hdr; | |
5777 | ||
e6d6e342 | 5778 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
5779 | if (!msg) |
5780 | return; | |
5781 | ||
5782 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
5783 | if (!hdr) { | |
5784 | nlmsg_free(msg); | |
5785 | return; | |
5786 | } | |
5787 | ||
5788 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
5789 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
5790 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
5791 | ||
5792 | if (genlmsg_end(msg, hdr) < 0) { | |
5793 | nlmsg_free(msg); | |
5794 | return; | |
5795 | } | |
5796 | ||
463d0183 JB |
5797 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
5798 | nl80211_mlme_mcgrp.id, gfp); | |
6039f6d2 JM |
5799 | return; |
5800 | ||
5801 | nla_put_failure: | |
5802 | genlmsg_cancel(msg, hdr); | |
5803 | nlmsg_free(msg); | |
5804 | } | |
5805 | ||
5806 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
5807 | struct net_device *netdev, const u8 *buf, |
5808 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
5809 | { |
5810 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 5811 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
5812 | } |
5813 | ||
5814 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
5815 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 5816 | size_t len, gfp_t gfp) |
6039f6d2 | 5817 | { |
e6d6e342 JB |
5818 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
5819 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
5820 | } |
5821 | ||
53b46b84 | 5822 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
5823 | struct net_device *netdev, const u8 *buf, |
5824 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
5825 | { |
5826 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 5827 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
5828 | } |
5829 | ||
53b46b84 JM |
5830 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
5831 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 5832 | size_t len, gfp_t gfp) |
6039f6d2 JM |
5833 | { |
5834 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 5835 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
5836 | } |
5837 | ||
cf4e594e JM |
5838 | void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, |
5839 | struct net_device *netdev, const u8 *buf, | |
5840 | size_t len, gfp_t gfp) | |
5841 | { | |
5842 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
5843 | NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); | |
5844 | } | |
5845 | ||
5846 | void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, | |
5847 | struct net_device *netdev, const u8 *buf, | |
5848 | size_t len, gfp_t gfp) | |
5849 | { | |
5850 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
5851 | NL80211_CMD_UNPROT_DISASSOCIATE, gfp); | |
5852 | } | |
5853 | ||
1b06bb40 LR |
5854 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
5855 | struct net_device *netdev, int cmd, | |
e6d6e342 | 5856 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
5857 | { |
5858 | struct sk_buff *msg; | |
5859 | void *hdr; | |
5860 | ||
e6d6e342 | 5861 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
5862 | if (!msg) |
5863 | return; | |
5864 | ||
5865 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
5866 | if (!hdr) { | |
5867 | nlmsg_free(msg); | |
5868 | return; | |
5869 | } | |
5870 | ||
5871 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
5872 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
5873 | NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT); | |
5874 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
5875 | ||
5876 | if (genlmsg_end(msg, hdr) < 0) { | |
5877 | nlmsg_free(msg); | |
5878 | return; | |
5879 | } | |
5880 | ||
463d0183 JB |
5881 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
5882 | nl80211_mlme_mcgrp.id, gfp); | |
1965c853 JM |
5883 | return; |
5884 | ||
5885 | nla_put_failure: | |
5886 | genlmsg_cancel(msg, hdr); | |
5887 | nlmsg_free(msg); | |
5888 | } | |
5889 | ||
5890 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
5891 | struct net_device *netdev, const u8 *addr, |
5892 | gfp_t gfp) | |
1965c853 JM |
5893 | { |
5894 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 5895 | addr, gfp); |
1965c853 JM |
5896 | } |
5897 | ||
5898 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
5899 | struct net_device *netdev, const u8 *addr, |
5900 | gfp_t gfp) | |
1965c853 | 5901 | { |
e6d6e342 JB |
5902 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
5903 | addr, gfp); | |
1965c853 JM |
5904 | } |
5905 | ||
b23aa676 SO |
5906 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
5907 | struct net_device *netdev, const u8 *bssid, | |
5908 | const u8 *req_ie, size_t req_ie_len, | |
5909 | const u8 *resp_ie, size_t resp_ie_len, | |
5910 | u16 status, gfp_t gfp) | |
5911 | { | |
5912 | struct sk_buff *msg; | |
5913 | void *hdr; | |
5914 | ||
5915 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
5916 | if (!msg) | |
5917 | return; | |
5918 | ||
5919 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
5920 | if (!hdr) { | |
5921 | nlmsg_free(msg); | |
5922 | return; | |
5923 | } | |
5924 | ||
5925 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
5926 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
5927 | if (bssid) | |
5928 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
5929 | NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status); | |
5930 | if (req_ie) | |
5931 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
5932 | if (resp_ie) | |
5933 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
5934 | ||
5935 | if (genlmsg_end(msg, hdr) < 0) { | |
5936 | nlmsg_free(msg); | |
5937 | return; | |
5938 | } | |
5939 | ||
463d0183 JB |
5940 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
5941 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
5942 | return; |
5943 | ||
5944 | nla_put_failure: | |
5945 | genlmsg_cancel(msg, hdr); | |
5946 | nlmsg_free(msg); | |
5947 | ||
5948 | } | |
5949 | ||
5950 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
5951 | struct net_device *netdev, const u8 *bssid, | |
5952 | const u8 *req_ie, size_t req_ie_len, | |
5953 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
5954 | { | |
5955 | struct sk_buff *msg; | |
5956 | void *hdr; | |
5957 | ||
5958 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
5959 | if (!msg) | |
5960 | return; | |
5961 | ||
5962 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
5963 | if (!hdr) { | |
5964 | nlmsg_free(msg); | |
5965 | return; | |
5966 | } | |
5967 | ||
5968 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
5969 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
5970 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
5971 | if (req_ie) | |
5972 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
5973 | if (resp_ie) | |
5974 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
5975 | ||
5976 | if (genlmsg_end(msg, hdr) < 0) { | |
5977 | nlmsg_free(msg); | |
5978 | return; | |
5979 | } | |
5980 | ||
463d0183 JB |
5981 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
5982 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
5983 | return; |
5984 | ||
5985 | nla_put_failure: | |
5986 | genlmsg_cancel(msg, hdr); | |
5987 | nlmsg_free(msg); | |
5988 | ||
5989 | } | |
5990 | ||
5991 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
5992 | struct net_device *netdev, u16 reason, | |
667503dd | 5993 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
5994 | { |
5995 | struct sk_buff *msg; | |
5996 | void *hdr; | |
5997 | ||
667503dd | 5998 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
b23aa676 SO |
5999 | if (!msg) |
6000 | return; | |
6001 | ||
6002 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
6003 | if (!hdr) { | |
6004 | nlmsg_free(msg); | |
6005 | return; | |
6006 | } | |
6007 | ||
6008 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6009 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6010 | if (from_ap && reason) | |
6011 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason); | |
6012 | if (from_ap) | |
6013 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP); | |
6014 | if (ie) | |
6015 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie); | |
6016 | ||
6017 | if (genlmsg_end(msg, hdr) < 0) { | |
6018 | nlmsg_free(msg); | |
6019 | return; | |
6020 | } | |
6021 | ||
463d0183 JB |
6022 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6023 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
b23aa676 SO |
6024 | return; |
6025 | ||
6026 | nla_put_failure: | |
6027 | genlmsg_cancel(msg, hdr); | |
6028 | nlmsg_free(msg); | |
6029 | ||
6030 | } | |
6031 | ||
04a773ad JB |
6032 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
6033 | struct net_device *netdev, const u8 *bssid, | |
6034 | gfp_t gfp) | |
6035 | { | |
6036 | struct sk_buff *msg; | |
6037 | void *hdr; | |
6038 | ||
fd2120ca | 6039 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
6040 | if (!msg) |
6041 | return; | |
6042 | ||
6043 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
6044 | if (!hdr) { | |
6045 | nlmsg_free(msg); | |
6046 | return; | |
6047 | } | |
6048 | ||
6049 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6050 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6051 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
6052 | ||
6053 | if (genlmsg_end(msg, hdr) < 0) { | |
6054 | nlmsg_free(msg); | |
6055 | return; | |
6056 | } | |
6057 | ||
463d0183 JB |
6058 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6059 | nl80211_mlme_mcgrp.id, gfp); | |
04a773ad JB |
6060 | return; |
6061 | ||
6062 | nla_put_failure: | |
6063 | genlmsg_cancel(msg, hdr); | |
6064 | nlmsg_free(msg); | |
6065 | } | |
6066 | ||
c93b5e71 JC |
6067 | void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, |
6068 | struct net_device *netdev, | |
6069 | const u8 *macaddr, const u8* ie, u8 ie_len, | |
6070 | gfp_t gfp) | |
6071 | { | |
6072 | struct sk_buff *msg; | |
6073 | void *hdr; | |
6074 | ||
6075 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
6076 | if (!msg) | |
6077 | return; | |
6078 | ||
6079 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
6080 | if (!hdr) { | |
6081 | nlmsg_free(msg); | |
6082 | return; | |
6083 | } | |
6084 | ||
6085 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6086 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6087 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr); | |
6088 | if (ie_len && ie) | |
6089 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie); | |
6090 | ||
6091 | if (genlmsg_end(msg, hdr) < 0) { | |
6092 | nlmsg_free(msg); | |
6093 | return; | |
6094 | } | |
6095 | ||
6096 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6097 | nl80211_mlme_mcgrp.id, gfp); | |
6098 | return; | |
6099 | ||
6100 | nla_put_failure: | |
6101 | genlmsg_cancel(msg, hdr); | |
6102 | nlmsg_free(msg); | |
6103 | } | |
6104 | ||
a3b8b056 JM |
6105 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
6106 | struct net_device *netdev, const u8 *addr, | |
6107 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 6108 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
6109 | { |
6110 | struct sk_buff *msg; | |
6111 | void *hdr; | |
6112 | ||
e6d6e342 | 6113 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
6114 | if (!msg) |
6115 | return; | |
6116 | ||
6117 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
6118 | if (!hdr) { | |
6119 | nlmsg_free(msg); | |
6120 | return; | |
6121 | } | |
6122 | ||
6123 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6124 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6125 | if (addr) | |
6126 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
6127 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type); | |
6128 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id); | |
6129 | if (tsc) | |
6130 | NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc); | |
6131 | ||
6132 | if (genlmsg_end(msg, hdr) < 0) { | |
6133 | nlmsg_free(msg); | |
6134 | return; | |
6135 | } | |
6136 | ||
463d0183 JB |
6137 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6138 | nl80211_mlme_mcgrp.id, gfp); | |
a3b8b056 JM |
6139 | return; |
6140 | ||
6141 | nla_put_failure: | |
6142 | genlmsg_cancel(msg, hdr); | |
6143 | nlmsg_free(msg); | |
6144 | } | |
6145 | ||
6bad8766 LR |
6146 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
6147 | struct ieee80211_channel *channel_before, | |
6148 | struct ieee80211_channel *channel_after) | |
6149 | { | |
6150 | struct sk_buff *msg; | |
6151 | void *hdr; | |
6152 | struct nlattr *nl_freq; | |
6153 | ||
fd2120ca | 6154 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
6155 | if (!msg) |
6156 | return; | |
6157 | ||
6158 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
6159 | if (!hdr) { | |
6160 | nlmsg_free(msg); | |
6161 | return; | |
6162 | } | |
6163 | ||
6164 | /* | |
6165 | * Since we are applying the beacon hint to a wiphy we know its | |
6166 | * wiphy_idx is valid | |
6167 | */ | |
6168 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)); | |
6169 | ||
6170 | /* Before */ | |
6171 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
6172 | if (!nl_freq) | |
6173 | goto nla_put_failure; | |
6174 | if (nl80211_msg_put_channel(msg, channel_before)) | |
6175 | goto nla_put_failure; | |
6176 | nla_nest_end(msg, nl_freq); | |
6177 | ||
6178 | /* After */ | |
6179 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
6180 | if (!nl_freq) | |
6181 | goto nla_put_failure; | |
6182 | if (nl80211_msg_put_channel(msg, channel_after)) | |
6183 | goto nla_put_failure; | |
6184 | nla_nest_end(msg, nl_freq); | |
6185 | ||
6186 | if (genlmsg_end(msg, hdr) < 0) { | |
6187 | nlmsg_free(msg); | |
6188 | return; | |
6189 | } | |
6190 | ||
463d0183 JB |
6191 | rcu_read_lock(); |
6192 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, | |
6193 | GFP_ATOMIC); | |
6194 | rcu_read_unlock(); | |
6bad8766 LR |
6195 | |
6196 | return; | |
6197 | ||
6198 | nla_put_failure: | |
6199 | genlmsg_cancel(msg, hdr); | |
6200 | nlmsg_free(msg); | |
6201 | } | |
6202 | ||
9588bbd5 JM |
6203 | static void nl80211_send_remain_on_chan_event( |
6204 | int cmd, struct cfg80211_registered_device *rdev, | |
6205 | struct net_device *netdev, u64 cookie, | |
6206 | struct ieee80211_channel *chan, | |
6207 | enum nl80211_channel_type channel_type, | |
6208 | unsigned int duration, gfp_t gfp) | |
6209 | { | |
6210 | struct sk_buff *msg; | |
6211 | void *hdr; | |
6212 | ||
6213 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
6214 | if (!msg) | |
6215 | return; | |
6216 | ||
6217 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
6218 | if (!hdr) { | |
6219 | nlmsg_free(msg); | |
6220 | return; | |
6221 | } | |
6222 | ||
6223 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6224 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6225 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq); | |
6226 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type); | |
6227 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
6228 | ||
6229 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL) | |
6230 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); | |
6231 | ||
6232 | if (genlmsg_end(msg, hdr) < 0) { | |
6233 | nlmsg_free(msg); | |
6234 | return; | |
6235 | } | |
6236 | ||
6237 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6238 | nl80211_mlme_mcgrp.id, gfp); | |
6239 | return; | |
6240 | ||
6241 | nla_put_failure: | |
6242 | genlmsg_cancel(msg, hdr); | |
6243 | nlmsg_free(msg); | |
6244 | } | |
6245 | ||
6246 | void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, | |
6247 | struct net_device *netdev, u64 cookie, | |
6248 | struct ieee80211_channel *chan, | |
6249 | enum nl80211_channel_type channel_type, | |
6250 | unsigned int duration, gfp_t gfp) | |
6251 | { | |
6252 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, | |
6253 | rdev, netdev, cookie, chan, | |
6254 | channel_type, duration, gfp); | |
6255 | } | |
6256 | ||
6257 | void nl80211_send_remain_on_channel_cancel( | |
6258 | struct cfg80211_registered_device *rdev, struct net_device *netdev, | |
6259 | u64 cookie, struct ieee80211_channel *chan, | |
6260 | enum nl80211_channel_type channel_type, gfp_t gfp) | |
6261 | { | |
6262 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
6263 | rdev, netdev, cookie, chan, | |
6264 | channel_type, 0, gfp); | |
6265 | } | |
6266 | ||
98b62183 JB |
6267 | void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, |
6268 | struct net_device *dev, const u8 *mac_addr, | |
6269 | struct station_info *sinfo, gfp_t gfp) | |
6270 | { | |
6271 | struct sk_buff *msg; | |
6272 | ||
6273 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6274 | if (!msg) | |
6275 | return; | |
6276 | ||
6277 | if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) { | |
6278 | nlmsg_free(msg); | |
6279 | return; | |
6280 | } | |
6281 | ||
6282 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6283 | nl80211_mlme_mcgrp.id, gfp); | |
6284 | } | |
6285 | ||
ec15e68b JM |
6286 | void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, |
6287 | struct net_device *dev, const u8 *mac_addr, | |
6288 | gfp_t gfp) | |
6289 | { | |
6290 | struct sk_buff *msg; | |
6291 | void *hdr; | |
6292 | ||
6293 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6294 | if (!msg) | |
6295 | return; | |
6296 | ||
6297 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
6298 | if (!hdr) { | |
6299 | nlmsg_free(msg); | |
6300 | return; | |
6301 | } | |
6302 | ||
6303 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
6304 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
6305 | ||
6306 | if (genlmsg_end(msg, hdr) < 0) { | |
6307 | nlmsg_free(msg); | |
6308 | return; | |
6309 | } | |
6310 | ||
6311 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6312 | nl80211_mlme_mcgrp.id, gfp); | |
6313 | return; | |
6314 | ||
6315 | nla_put_failure: | |
6316 | genlmsg_cancel(msg, hdr); | |
6317 | nlmsg_free(msg); | |
6318 | } | |
6319 | ||
2e161f78 JB |
6320 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
6321 | struct net_device *netdev, u32 nlpid, | |
6322 | int freq, const u8 *buf, size_t len, gfp_t gfp) | |
026331c4 JM |
6323 | { |
6324 | struct sk_buff *msg; | |
6325 | void *hdr; | |
6326 | int err; | |
6327 | ||
6328 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
6329 | if (!msg) | |
6330 | return -ENOMEM; | |
6331 | ||
2e161f78 | 6332 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
6333 | if (!hdr) { |
6334 | nlmsg_free(msg); | |
6335 | return -ENOMEM; | |
6336 | } | |
6337 | ||
6338 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6339 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6340 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
6341 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
6342 | ||
6343 | err = genlmsg_end(msg, hdr); | |
6344 | if (err < 0) { | |
6345 | nlmsg_free(msg); | |
6346 | return err; | |
6347 | } | |
6348 | ||
6349 | err = genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); | |
6350 | if (err < 0) | |
6351 | return err; | |
6352 | return 0; | |
6353 | ||
6354 | nla_put_failure: | |
6355 | genlmsg_cancel(msg, hdr); | |
6356 | nlmsg_free(msg); | |
6357 | return -ENOBUFS; | |
6358 | } | |
6359 | ||
2e161f78 JB |
6360 | void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, |
6361 | struct net_device *netdev, u64 cookie, | |
6362 | const u8 *buf, size_t len, bool ack, | |
6363 | gfp_t gfp) | |
026331c4 JM |
6364 | { |
6365 | struct sk_buff *msg; | |
6366 | void *hdr; | |
6367 | ||
6368 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
6369 | if (!msg) | |
6370 | return; | |
6371 | ||
2e161f78 | 6372 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
6373 | if (!hdr) { |
6374 | nlmsg_free(msg); | |
6375 | return; | |
6376 | } | |
6377 | ||
6378 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6379 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6380 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
6381 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
6382 | if (ack) | |
6383 | NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); | |
6384 | ||
6385 | if (genlmsg_end(msg, hdr) < 0) { | |
6386 | nlmsg_free(msg); | |
6387 | return; | |
6388 | } | |
6389 | ||
6390 | genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); | |
6391 | return; | |
6392 | ||
6393 | nla_put_failure: | |
6394 | genlmsg_cancel(msg, hdr); | |
6395 | nlmsg_free(msg); | |
6396 | } | |
6397 | ||
d6dc1a38 JO |
6398 | void |
6399 | nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, | |
6400 | struct net_device *netdev, | |
6401 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
6402 | gfp_t gfp) | |
6403 | { | |
6404 | struct sk_buff *msg; | |
6405 | struct nlattr *pinfoattr; | |
6406 | void *hdr; | |
6407 | ||
6408 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6409 | if (!msg) | |
6410 | return; | |
6411 | ||
6412 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
6413 | if (!hdr) { | |
6414 | nlmsg_free(msg); | |
6415 | return; | |
6416 | } | |
6417 | ||
6418 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6419 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6420 | ||
6421 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
6422 | if (!pinfoattr) | |
6423 | goto nla_put_failure; | |
6424 | ||
6425 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
6426 | rssi_event); | |
6427 | ||
6428 | nla_nest_end(msg, pinfoattr); | |
6429 | ||
6430 | if (genlmsg_end(msg, hdr) < 0) { | |
6431 | nlmsg_free(msg); | |
6432 | return; | |
6433 | } | |
6434 | ||
6435 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6436 | nl80211_mlme_mcgrp.id, gfp); | |
6437 | return; | |
6438 | ||
6439 | nla_put_failure: | |
6440 | genlmsg_cancel(msg, hdr); | |
6441 | nlmsg_free(msg); | |
6442 | } | |
6443 | ||
c063dbf5 JB |
6444 | void |
6445 | nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, | |
6446 | struct net_device *netdev, const u8 *peer, | |
6447 | u32 num_packets, gfp_t gfp) | |
6448 | { | |
6449 | struct sk_buff *msg; | |
6450 | struct nlattr *pinfoattr; | |
6451 | void *hdr; | |
6452 | ||
6453 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6454 | if (!msg) | |
6455 | return; | |
6456 | ||
6457 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
6458 | if (!hdr) { | |
6459 | nlmsg_free(msg); | |
6460 | return; | |
6461 | } | |
6462 | ||
6463 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6464 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6465 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); | |
6466 | ||
6467 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
6468 | if (!pinfoattr) | |
6469 | goto nla_put_failure; | |
6470 | ||
6471 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets); | |
6472 | ||
6473 | nla_nest_end(msg, pinfoattr); | |
6474 | ||
6475 | if (genlmsg_end(msg, hdr) < 0) { | |
6476 | nlmsg_free(msg); | |
6477 | return; | |
6478 | } | |
6479 | ||
6480 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6481 | nl80211_mlme_mcgrp.id, gfp); | |
6482 | return; | |
6483 | ||
6484 | nla_put_failure: | |
6485 | genlmsg_cancel(msg, hdr); | |
6486 | nlmsg_free(msg); | |
6487 | } | |
6488 | ||
026331c4 JM |
6489 | static int nl80211_netlink_notify(struct notifier_block * nb, |
6490 | unsigned long state, | |
6491 | void *_notify) | |
6492 | { | |
6493 | struct netlink_notify *notify = _notify; | |
6494 | struct cfg80211_registered_device *rdev; | |
6495 | struct wireless_dev *wdev; | |
6496 | ||
6497 | if (state != NETLINK_URELEASE) | |
6498 | return NOTIFY_DONE; | |
6499 | ||
6500 | rcu_read_lock(); | |
6501 | ||
6502 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) | |
6503 | list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) | |
2e161f78 | 6504 | cfg80211_mlme_unregister_socket(wdev, notify->pid); |
026331c4 JM |
6505 | |
6506 | rcu_read_unlock(); | |
6507 | ||
6508 | return NOTIFY_DONE; | |
6509 | } | |
6510 | ||
6511 | static struct notifier_block nl80211_netlink_notifier = { | |
6512 | .notifier_call = nl80211_netlink_notify, | |
6513 | }; | |
6514 | ||
55682965 JB |
6515 | /* initialisation/exit functions */ |
6516 | ||
6517 | int nl80211_init(void) | |
6518 | { | |
0d63cbb5 | 6519 | int err; |
55682965 | 6520 | |
0d63cbb5 MM |
6521 | err = genl_register_family_with_ops(&nl80211_fam, |
6522 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); | |
55682965 JB |
6523 | if (err) |
6524 | return err; | |
6525 | ||
55682965 JB |
6526 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
6527 | if (err) | |
6528 | goto err_out; | |
6529 | ||
2a519311 JB |
6530 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
6531 | if (err) | |
6532 | goto err_out; | |
6533 | ||
73d54c9e LR |
6534 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
6535 | if (err) | |
6536 | goto err_out; | |
6537 | ||
6039f6d2 JM |
6538 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
6539 | if (err) | |
6540 | goto err_out; | |
6541 | ||
aff89a9b JB |
6542 | #ifdef CONFIG_NL80211_TESTMODE |
6543 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); | |
6544 | if (err) | |
6545 | goto err_out; | |
6546 | #endif | |
6547 | ||
026331c4 JM |
6548 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
6549 | if (err) | |
6550 | goto err_out; | |
6551 | ||
55682965 JB |
6552 | return 0; |
6553 | err_out: | |
6554 | genl_unregister_family(&nl80211_fam); | |
6555 | return err; | |
6556 | } | |
6557 | ||
6558 | void nl80211_exit(void) | |
6559 | { | |
026331c4 | 6560 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
6561 | genl_unregister_family(&nl80211_fam); |
6562 | } |