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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 | |
5fb628e9 JM |
26 | static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type); |
27 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, | |
28 | struct genl_info *info, | |
29 | struct cfg80211_crypto_settings *settings, | |
30 | int cipher_limit); | |
31 | ||
4c476991 JB |
32 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, |
33 | struct genl_info *info); | |
34 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
35 | struct genl_info *info); | |
36 | ||
55682965 JB |
37 | /* the netlink family */ |
38 | static struct genl_family nl80211_fam = { | |
39 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ | |
40 | .name = "nl80211", /* have users key off the name instead */ | |
41 | .hdrsize = 0, /* no private header */ | |
42 | .version = 1, /* no particular meaning now */ | |
43 | .maxattr = NL80211_ATTR_MAX, | |
463d0183 | 44 | .netnsok = true, |
4c476991 JB |
45 | .pre_doit = nl80211_pre_doit, |
46 | .post_doit = nl80211_post_doit, | |
55682965 JB |
47 | }; |
48 | ||
79c97e97 | 49 | /* internal helper: get rdev and dev */ |
463d0183 | 50 | static int get_rdev_dev_by_info_ifindex(struct genl_info *info, |
79c97e97 | 51 | struct cfg80211_registered_device **rdev, |
55682965 JB |
52 | struct net_device **dev) |
53 | { | |
463d0183 | 54 | struct nlattr **attrs = info->attrs; |
55682965 JB |
55 | int ifindex; |
56 | ||
bba95fef | 57 | if (!attrs[NL80211_ATTR_IFINDEX]) |
55682965 JB |
58 | return -EINVAL; |
59 | ||
bba95fef | 60 | ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); |
463d0183 | 61 | *dev = dev_get_by_index(genl_info_net(info), ifindex); |
55682965 JB |
62 | if (!*dev) |
63 | return -ENODEV; | |
64 | ||
463d0183 | 65 | *rdev = cfg80211_get_dev_from_ifindex(genl_info_net(info), ifindex); |
79c97e97 | 66 | if (IS_ERR(*rdev)) { |
55682965 | 67 | dev_put(*dev); |
79c97e97 | 68 | return PTR_ERR(*rdev); |
55682965 JB |
69 | } |
70 | ||
71 | return 0; | |
72 | } | |
73 | ||
74 | /* policy for the attributes */ | |
b54452b0 | 75 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
76 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
77 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 78 | .len = 20-1 }, |
31888487 | 79 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
72bdcf34 | 80 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 81 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
b9a5f8ca JM |
82 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
83 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
84 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
85 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 86 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
87 | |
88 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
89 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
90 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f JB |
91 | |
92 | [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN }, | |
3e5d7649 | 93 | [NL80211_ATTR_PREV_BSSID] = { .type = NLA_BINARY, .len = ETH_ALEN }, |
41ade00f | 94 | |
b9454e83 | 95 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
96 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
97 | .len = WLAN_MAX_KEY_LEN }, | |
98 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
99 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
100 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
9f26a952 | 101 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 }, |
e31b8213 | 102 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
103 | |
104 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
105 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
106 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
107 | .len = IEEE80211_MAX_DATA_LEN }, | |
108 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
109 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
110 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
111 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
112 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
113 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
114 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 115 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 116 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 117 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 LCC |
118 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
119 | .len = IEEE80211_MAX_MESH_ID_LEN }, | |
120 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, | |
9f1ba906 | 121 | |
b2e1b302 LR |
122 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
123 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
124 | ||
9f1ba906 JM |
125 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
126 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
127 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
128 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
129 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 130 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 131 | |
24bdd9f4 | 132 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 133 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 134 | |
36aedc90 JM |
135 | [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY, |
136 | .len = NL80211_HT_CAPABILITY_LEN }, | |
9aed3cc1 JM |
137 | |
138 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
139 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
140 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
141 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
142 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
143 | |
144 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
145 | .len = IEEE80211_MAX_SSID_LEN }, | |
146 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
147 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 148 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 149 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 150 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
151 | [NL80211_ATTR_STA_FLAGS2] = { |
152 | .len = sizeof(struct nl80211_sta_flag_update), | |
153 | }, | |
3f77316c | 154 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
155 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
156 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
157 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
158 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
159 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 160 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 161 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
162 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
163 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
164 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
165 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 166 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
167 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
168 | .len = IEEE80211_MAX_DATA_LEN }, | |
169 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 170 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 171 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 172 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 173 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
174 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
175 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 176 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
177 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
178 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 179 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 180 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 181 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 182 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 183 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 184 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 185 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 186 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 187 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
188 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
189 | .len = IEEE80211_MAX_DATA_LEN }, | |
190 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
191 | .len = IEEE80211_MAX_DATA_LEN }, | |
55682965 JB |
192 | }; |
193 | ||
e31b8213 | 194 | /* policy for the key attributes */ |
b54452b0 | 195 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 196 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
197 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
198 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
199 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 }, | |
200 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
201 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 202 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
203 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
204 | }; | |
205 | ||
206 | /* policy for the key default flags */ | |
207 | static const struct nla_policy | |
208 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
209 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
210 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
211 | }; |
212 | ||
ff1b6e69 JB |
213 | /* policy for WoWLAN attributes */ |
214 | static const struct nla_policy | |
215 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
216 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
217 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
218 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
219 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
220 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
221 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
222 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
223 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
ff1b6e69 JB |
224 | }; |
225 | ||
e5497d76 JB |
226 | /* policy for GTK rekey offload attributes */ |
227 | static const struct nla_policy | |
228 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
229 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
230 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
231 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
232 | }; | |
233 | ||
a043897a HS |
234 | /* ifidx get helper */ |
235 | static int nl80211_get_ifidx(struct netlink_callback *cb) | |
236 | { | |
237 | int res; | |
238 | ||
239 | res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
240 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
241 | nl80211_policy); | |
242 | if (res) | |
243 | return res; | |
244 | ||
245 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) | |
246 | return -EINVAL; | |
247 | ||
248 | res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); | |
249 | if (!res) | |
250 | return -EINVAL; | |
251 | return res; | |
252 | } | |
253 | ||
67748893 JB |
254 | static int nl80211_prepare_netdev_dump(struct sk_buff *skb, |
255 | struct netlink_callback *cb, | |
256 | struct cfg80211_registered_device **rdev, | |
257 | struct net_device **dev) | |
258 | { | |
259 | int ifidx = cb->args[0]; | |
260 | int err; | |
261 | ||
262 | if (!ifidx) | |
263 | ifidx = nl80211_get_ifidx(cb); | |
264 | if (ifidx < 0) | |
265 | return ifidx; | |
266 | ||
267 | cb->args[0] = ifidx; | |
268 | ||
269 | rtnl_lock(); | |
270 | ||
271 | *dev = __dev_get_by_index(sock_net(skb->sk), ifidx); | |
272 | if (!*dev) { | |
273 | err = -ENODEV; | |
274 | goto out_rtnl; | |
275 | } | |
276 | ||
277 | *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); | |
3cc25e51 FF |
278 | if (IS_ERR(*rdev)) { |
279 | err = PTR_ERR(*rdev); | |
67748893 JB |
280 | goto out_rtnl; |
281 | } | |
282 | ||
283 | return 0; | |
284 | out_rtnl: | |
285 | rtnl_unlock(); | |
286 | return err; | |
287 | } | |
288 | ||
289 | static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev) | |
290 | { | |
291 | cfg80211_unlock_rdev(rdev); | |
292 | rtnl_unlock(); | |
293 | } | |
294 | ||
f4a11bb0 JB |
295 | /* IE validation */ |
296 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
297 | { | |
298 | const u8 *pos; | |
299 | int len; | |
300 | ||
301 | if (!attr) | |
302 | return true; | |
303 | ||
304 | pos = nla_data(attr); | |
305 | len = nla_len(attr); | |
306 | ||
307 | while (len) { | |
308 | u8 elemlen; | |
309 | ||
310 | if (len < 2) | |
311 | return false; | |
312 | len -= 2; | |
313 | ||
314 | elemlen = pos[1]; | |
315 | if (elemlen > len) | |
316 | return false; | |
317 | ||
318 | len -= elemlen; | |
319 | pos += 2 + elemlen; | |
320 | } | |
321 | ||
322 | return true; | |
323 | } | |
324 | ||
55682965 JB |
325 | /* message building helper */ |
326 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, | |
327 | int flags, u8 cmd) | |
328 | { | |
329 | /* since there is no private header just add the generic one */ | |
330 | return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); | |
331 | } | |
332 | ||
5dab3b8a LR |
333 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
334 | struct ieee80211_channel *chan) | |
335 | { | |
336 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, | |
337 | chan->center_freq); | |
338 | ||
339 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
340 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); | |
341 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
342 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); | |
343 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) | |
344 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); | |
345 | if (chan->flags & IEEE80211_CHAN_RADAR) | |
346 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); | |
347 | ||
348 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, | |
349 | DBM_TO_MBM(chan->max_power)); | |
350 | ||
351 | return 0; | |
352 | ||
353 | nla_put_failure: | |
354 | return -ENOBUFS; | |
355 | } | |
356 | ||
55682965 JB |
357 | /* netlink command implementations */ |
358 | ||
b9454e83 JB |
359 | struct key_parse { |
360 | struct key_params p; | |
361 | int idx; | |
e31b8213 | 362 | int type; |
b9454e83 | 363 | bool def, defmgmt; |
dbd2fd65 | 364 | bool def_uni, def_multi; |
b9454e83 JB |
365 | }; |
366 | ||
367 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
368 | { | |
369 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
370 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
371 | nl80211_key_policy); | |
372 | if (err) | |
373 | return err; | |
374 | ||
375 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
376 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
377 | ||
dbd2fd65 JB |
378 | if (k->def) { |
379 | k->def_uni = true; | |
380 | k->def_multi = true; | |
381 | } | |
382 | if (k->defmgmt) | |
383 | k->def_multi = true; | |
384 | ||
b9454e83 JB |
385 | if (tb[NL80211_KEY_IDX]) |
386 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
387 | ||
388 | if (tb[NL80211_KEY_DATA]) { | |
389 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
390 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
391 | } | |
392 | ||
393 | if (tb[NL80211_KEY_SEQ]) { | |
394 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
395 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
396 | } | |
397 | ||
398 | if (tb[NL80211_KEY_CIPHER]) | |
399 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
400 | ||
e31b8213 JB |
401 | if (tb[NL80211_KEY_TYPE]) { |
402 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
403 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
404 | return -EINVAL; | |
405 | } | |
406 | ||
dbd2fd65 JB |
407 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
408 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
409 | int err = nla_parse_nested(kdt, | |
410 | NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
411 | tb[NL80211_KEY_DEFAULT_TYPES], | |
412 | nl80211_key_default_policy); | |
413 | if (err) | |
414 | return err; | |
415 | ||
416 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
417 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
418 | } | |
419 | ||
b9454e83 JB |
420 | return 0; |
421 | } | |
422 | ||
423 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
424 | { | |
425 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
426 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
427 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
428 | } | |
429 | ||
430 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
431 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
432 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
433 | } | |
434 | ||
435 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
436 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
437 | ||
438 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
439 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
440 | ||
441 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
442 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
443 | ||
dbd2fd65 JB |
444 | if (k->def) { |
445 | k->def_uni = true; | |
446 | k->def_multi = true; | |
447 | } | |
448 | if (k->defmgmt) | |
449 | k->def_multi = true; | |
450 | ||
e31b8213 JB |
451 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
452 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
453 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
454 | return -EINVAL; | |
455 | } | |
456 | ||
dbd2fd65 JB |
457 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
458 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
459 | int err = nla_parse_nested( | |
460 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
461 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
462 | nl80211_key_default_policy); | |
463 | if (err) | |
464 | return err; | |
465 | ||
466 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
467 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
468 | } | |
469 | ||
b9454e83 JB |
470 | return 0; |
471 | } | |
472 | ||
473 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
474 | { | |
475 | int err; | |
476 | ||
477 | memset(k, 0, sizeof(*k)); | |
478 | k->idx = -1; | |
e31b8213 | 479 | k->type = -1; |
b9454e83 JB |
480 | |
481 | if (info->attrs[NL80211_ATTR_KEY]) | |
482 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
483 | else | |
484 | err = nl80211_parse_key_old(info, k); | |
485 | ||
486 | if (err) | |
487 | return err; | |
488 | ||
489 | if (k->def && k->defmgmt) | |
490 | return -EINVAL; | |
491 | ||
dbd2fd65 JB |
492 | if (k->defmgmt) { |
493 | if (k->def_uni || !k->def_multi) | |
494 | return -EINVAL; | |
495 | } | |
496 | ||
b9454e83 JB |
497 | if (k->idx != -1) { |
498 | if (k->defmgmt) { | |
499 | if (k->idx < 4 || k->idx > 5) | |
500 | return -EINVAL; | |
501 | } else if (k->def) { | |
502 | if (k->idx < 0 || k->idx > 3) | |
503 | return -EINVAL; | |
504 | } else { | |
505 | if (k->idx < 0 || k->idx > 5) | |
506 | return -EINVAL; | |
507 | } | |
508 | } | |
509 | ||
510 | return 0; | |
511 | } | |
512 | ||
fffd0934 JB |
513 | static struct cfg80211_cached_keys * |
514 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
515 | struct nlattr *keys) | |
516 | { | |
517 | struct key_parse parse; | |
518 | struct nlattr *key; | |
519 | struct cfg80211_cached_keys *result; | |
520 | int rem, err, def = 0; | |
521 | ||
522 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
523 | if (!result) | |
524 | return ERR_PTR(-ENOMEM); | |
525 | ||
526 | result->def = -1; | |
527 | result->defmgmt = -1; | |
528 | ||
529 | nla_for_each_nested(key, keys, rem) { | |
530 | memset(&parse, 0, sizeof(parse)); | |
531 | parse.idx = -1; | |
532 | ||
533 | err = nl80211_parse_key_new(key, &parse); | |
534 | if (err) | |
535 | goto error; | |
536 | err = -EINVAL; | |
537 | if (!parse.p.key) | |
538 | goto error; | |
539 | if (parse.idx < 0 || parse.idx > 4) | |
540 | goto error; | |
541 | if (parse.def) { | |
542 | if (def) | |
543 | goto error; | |
544 | def = 1; | |
545 | result->def = parse.idx; | |
dbd2fd65 JB |
546 | if (!parse.def_uni || !parse.def_multi) |
547 | goto error; | |
fffd0934 JB |
548 | } else if (parse.defmgmt) |
549 | goto error; | |
550 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 551 | parse.idx, false, NULL); |
fffd0934 JB |
552 | if (err) |
553 | goto error; | |
554 | result->params[parse.idx].cipher = parse.p.cipher; | |
555 | result->params[parse.idx].key_len = parse.p.key_len; | |
556 | result->params[parse.idx].key = result->data[parse.idx]; | |
557 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
558 | } | |
559 | ||
560 | return result; | |
561 | error: | |
562 | kfree(result); | |
563 | return ERR_PTR(err); | |
564 | } | |
565 | ||
566 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
567 | { | |
568 | ASSERT_WDEV_LOCK(wdev); | |
569 | ||
fffd0934 JB |
570 | switch (wdev->iftype) { |
571 | case NL80211_IFTYPE_AP: | |
572 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 573 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 574 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
575 | break; |
576 | case NL80211_IFTYPE_ADHOC: | |
577 | if (!wdev->current_bss) | |
578 | return -ENOLINK; | |
579 | break; | |
580 | case NL80211_IFTYPE_STATION: | |
074ac8df | 581 | case NL80211_IFTYPE_P2P_CLIENT: |
fffd0934 JB |
582 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
583 | return -ENOLINK; | |
584 | break; | |
585 | default: | |
586 | return -EINVAL; | |
587 | } | |
588 | ||
589 | return 0; | |
590 | } | |
591 | ||
7527a782 JB |
592 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
593 | { | |
594 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
595 | int i; | |
596 | ||
597 | if (!nl_modes) | |
598 | goto nla_put_failure; | |
599 | ||
600 | i = 0; | |
601 | while (ifmodes) { | |
602 | if (ifmodes & 1) | |
603 | NLA_PUT_FLAG(msg, i); | |
604 | ifmodes >>= 1; | |
605 | i++; | |
606 | } | |
607 | ||
608 | nla_nest_end(msg, nl_modes); | |
609 | return 0; | |
610 | ||
611 | nla_put_failure: | |
612 | return -ENOBUFS; | |
613 | } | |
614 | ||
615 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
616 | struct sk_buff *msg) | |
617 | { | |
618 | struct nlattr *nl_combis; | |
619 | int i, j; | |
620 | ||
621 | nl_combis = nla_nest_start(msg, | |
622 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
623 | if (!nl_combis) | |
624 | goto nla_put_failure; | |
625 | ||
626 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
627 | const struct ieee80211_iface_combination *c; | |
628 | struct nlattr *nl_combi, *nl_limits; | |
629 | ||
630 | c = &wiphy->iface_combinations[i]; | |
631 | ||
632 | nl_combi = nla_nest_start(msg, i + 1); | |
633 | if (!nl_combi) | |
634 | goto nla_put_failure; | |
635 | ||
636 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
637 | if (!nl_limits) | |
638 | goto nla_put_failure; | |
639 | ||
640 | for (j = 0; j < c->n_limits; j++) { | |
641 | struct nlattr *nl_limit; | |
642 | ||
643 | nl_limit = nla_nest_start(msg, j + 1); | |
644 | if (!nl_limit) | |
645 | goto nla_put_failure; | |
646 | NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX, | |
647 | c->limits[j].max); | |
648 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, | |
649 | c->limits[j].types)) | |
650 | goto nla_put_failure; | |
651 | nla_nest_end(msg, nl_limit); | |
652 | } | |
653 | ||
654 | nla_nest_end(msg, nl_limits); | |
655 | ||
656 | if (c->beacon_int_infra_match) | |
657 | NLA_PUT_FLAG(msg, | |
658 | NL80211_IFACE_COMB_STA_AP_BI_MATCH); | |
659 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
660 | c->num_different_channels); | |
661 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM, | |
662 | c->max_interfaces); | |
663 | ||
664 | nla_nest_end(msg, nl_combi); | |
665 | } | |
666 | ||
667 | nla_nest_end(msg, nl_combis); | |
668 | ||
669 | return 0; | |
670 | nla_put_failure: | |
671 | return -ENOBUFS; | |
672 | } | |
673 | ||
55682965 JB |
674 | static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, |
675 | struct cfg80211_registered_device *dev) | |
676 | { | |
677 | void *hdr; | |
ee688b00 JB |
678 | struct nlattr *nl_bands, *nl_band; |
679 | struct nlattr *nl_freqs, *nl_freq; | |
680 | struct nlattr *nl_rates, *nl_rate; | |
8fdc621d | 681 | struct nlattr *nl_cmds; |
ee688b00 JB |
682 | enum ieee80211_band band; |
683 | struct ieee80211_channel *chan; | |
684 | struct ieee80211_rate *rate; | |
685 | int i; | |
2e161f78 JB |
686 | const struct ieee80211_txrx_stypes *mgmt_stypes = |
687 | dev->wiphy.mgmt_stypes; | |
55682965 JB |
688 | |
689 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); | |
690 | if (!hdr) | |
691 | return -1; | |
692 | ||
b5850a7a | 693 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx); |
55682965 | 694 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); |
b9a5f8ca | 695 | |
f5ea9120 JB |
696 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, |
697 | cfg80211_rdev_list_generation); | |
698 | ||
b9a5f8ca JM |
699 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, |
700 | dev->wiphy.retry_short); | |
701 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
702 | dev->wiphy.retry_long); | |
703 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
704 | dev->wiphy.frag_threshold); | |
705 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
706 | dev->wiphy.rts_threshold); | |
81077e82 LT |
707 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
708 | dev->wiphy.coverage_class); | |
2a519311 JB |
709 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
710 | dev->wiphy.max_scan_ssids); | |
93b6aa69 LC |
711 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
712 | dev->wiphy.max_sched_scan_ssids); | |
18a83659 JB |
713 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
714 | dev->wiphy.max_scan_ie_len); | |
5a865bad LC |
715 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
716 | dev->wiphy.max_sched_scan_ie_len); | |
ee688b00 | 717 | |
e31b8213 JB |
718 | if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) |
719 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN); | |
15d5dda6 JC |
720 | if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) |
721 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH); | |
e31b8213 | 722 | |
25e47c18 JB |
723 | NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES, |
724 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
725 | dev->wiphy.cipher_suites); | |
726 | ||
67fbb16b SO |
727 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
728 | dev->wiphy.max_num_pmkids); | |
729 | ||
c0692b8f JB |
730 | if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) |
731 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); | |
732 | ||
39fd5de4 BR |
733 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
734 | dev->wiphy.available_antennas_tx); | |
735 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
736 | dev->wiphy.available_antennas_rx); | |
737 | ||
7f531e03 BR |
738 | if ((dev->wiphy.available_antennas_tx || |
739 | dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { | |
afe0cbf8 BR |
740 | u32 tx_ant = 0, rx_ant = 0; |
741 | int res; | |
742 | res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant); | |
743 | if (!res) { | |
744 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); | |
745 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); | |
746 | } | |
747 | } | |
748 | ||
7527a782 JB |
749 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, |
750 | dev->wiphy.interface_modes)) | |
f59ac048 LR |
751 | goto nla_put_failure; |
752 | ||
ee688b00 JB |
753 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); |
754 | if (!nl_bands) | |
755 | goto nla_put_failure; | |
756 | ||
757 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
758 | if (!dev->wiphy.bands[band]) | |
759 | continue; | |
760 | ||
761 | nl_band = nla_nest_start(msg, band); | |
762 | if (!nl_band) | |
763 | goto nla_put_failure; | |
764 | ||
d51626df JB |
765 | /* add HT info */ |
766 | if (dev->wiphy.bands[band]->ht_cap.ht_supported) { | |
767 | NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
768 | sizeof(dev->wiphy.bands[band]->ht_cap.mcs), | |
769 | &dev->wiphy.bands[band]->ht_cap.mcs); | |
770 | NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
771 | dev->wiphy.bands[band]->ht_cap.cap); | |
772 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
773 | dev->wiphy.bands[band]->ht_cap.ampdu_factor); | |
774 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
775 | dev->wiphy.bands[band]->ht_cap.ampdu_density); | |
776 | } | |
777 | ||
ee688b00 JB |
778 | /* add frequencies */ |
779 | nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); | |
780 | if (!nl_freqs) | |
781 | goto nla_put_failure; | |
782 | ||
783 | for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { | |
784 | nl_freq = nla_nest_start(msg, i); | |
785 | if (!nl_freq) | |
786 | goto nla_put_failure; | |
787 | ||
788 | chan = &dev->wiphy.bands[band]->channels[i]; | |
5dab3b8a LR |
789 | |
790 | if (nl80211_msg_put_channel(msg, chan)) | |
791 | goto nla_put_failure; | |
e2f367f2 | 792 | |
ee688b00 JB |
793 | nla_nest_end(msg, nl_freq); |
794 | } | |
795 | ||
796 | nla_nest_end(msg, nl_freqs); | |
797 | ||
798 | /* add bitrates */ | |
799 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
800 | if (!nl_rates) | |
801 | goto nla_put_failure; | |
802 | ||
803 | for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { | |
804 | nl_rate = nla_nest_start(msg, i); | |
805 | if (!nl_rate) | |
806 | goto nla_put_failure; | |
807 | ||
808 | rate = &dev->wiphy.bands[band]->bitrates[i]; | |
809 | NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, | |
810 | rate->bitrate); | |
811 | if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) | |
812 | NLA_PUT_FLAG(msg, | |
813 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); | |
814 | ||
815 | nla_nest_end(msg, nl_rate); | |
816 | } | |
817 | ||
818 | nla_nest_end(msg, nl_rates); | |
819 | ||
820 | nla_nest_end(msg, nl_band); | |
821 | } | |
822 | nla_nest_end(msg, nl_bands); | |
823 | ||
8fdc621d JB |
824 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); |
825 | if (!nl_cmds) | |
826 | goto nla_put_failure; | |
827 | ||
828 | i = 0; | |
829 | #define CMD(op, n) \ | |
830 | do { \ | |
831 | if (dev->ops->op) { \ | |
832 | i++; \ | |
833 | NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \ | |
834 | } \ | |
835 | } while (0) | |
836 | ||
837 | CMD(add_virtual_intf, NEW_INTERFACE); | |
838 | CMD(change_virtual_intf, SET_INTERFACE); | |
839 | CMD(add_key, NEW_KEY); | |
840 | CMD(add_beacon, NEW_BEACON); | |
841 | CMD(add_station, NEW_STATION); | |
842 | CMD(add_mpath, NEW_MPATH); | |
24bdd9f4 | 843 | CMD(update_mesh_config, SET_MESH_CONFIG); |
8fdc621d | 844 | CMD(change_bss, SET_BSS); |
636a5d36 JM |
845 | CMD(auth, AUTHENTICATE); |
846 | CMD(assoc, ASSOCIATE); | |
847 | CMD(deauth, DEAUTHENTICATE); | |
848 | CMD(disassoc, DISASSOCIATE); | |
04a773ad | 849 | CMD(join_ibss, JOIN_IBSS); |
29cbe68c | 850 | CMD(join_mesh, JOIN_MESH); |
67fbb16b SO |
851 | CMD(set_pmksa, SET_PMKSA); |
852 | CMD(del_pmksa, DEL_PMKSA); | |
853 | CMD(flush_pmksa, FLUSH_PMKSA); | |
9588bbd5 | 854 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
13ae75b1 | 855 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); |
2e161f78 | 856 | CMD(mgmt_tx, FRAME); |
f7ca38df | 857 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); |
5be83de5 | 858 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
463d0183 JB |
859 | i++; |
860 | NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS); | |
861 | } | |
f444de05 | 862 | CMD(set_channel, SET_CHANNEL); |
e8347eba | 863 | CMD(set_wds_peer, SET_WDS_PEER); |
807f8a8c LC |
864 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
865 | CMD(sched_scan_start, START_SCHED_SCAN); | |
8fdc621d JB |
866 | |
867 | #undef CMD | |
b23aa676 | 868 | |
6829c878 | 869 | if (dev->ops->connect || dev->ops->auth) { |
b23aa676 SO |
870 | i++; |
871 | NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT); | |
872 | } | |
873 | ||
6829c878 | 874 | if (dev->ops->disconnect || dev->ops->deauth) { |
b23aa676 SO |
875 | i++; |
876 | NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT); | |
877 | } | |
878 | ||
8fdc621d JB |
879 | nla_nest_end(msg, nl_cmds); |
880 | ||
a293911d JB |
881 | if (dev->ops->remain_on_channel) |
882 | NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
883 | dev->wiphy.max_remain_on_channel_duration); | |
884 | ||
d2da5878 | 885 | if (dev->ops->mgmt_tx_cancel_wait) |
f7ca38df JB |
886 | NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); |
887 | ||
2e161f78 JB |
888 | if (mgmt_stypes) { |
889 | u16 stypes; | |
890 | struct nlattr *nl_ftypes, *nl_ifs; | |
891 | enum nl80211_iftype ift; | |
892 | ||
893 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); | |
894 | if (!nl_ifs) | |
895 | goto nla_put_failure; | |
896 | ||
897 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
898 | nl_ftypes = nla_nest_start(msg, ift); | |
899 | if (!nl_ftypes) | |
900 | goto nla_put_failure; | |
901 | i = 0; | |
902 | stypes = mgmt_stypes[ift].tx; | |
903 | while (stypes) { | |
904 | if (stypes & 1) | |
905 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
906 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
907 | stypes >>= 1; | |
908 | i++; | |
909 | } | |
910 | nla_nest_end(msg, nl_ftypes); | |
911 | } | |
912 | ||
74b70a4e JB |
913 | nla_nest_end(msg, nl_ifs); |
914 | ||
2e161f78 JB |
915 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
916 | if (!nl_ifs) | |
917 | goto nla_put_failure; | |
918 | ||
919 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
920 | nl_ftypes = nla_nest_start(msg, ift); | |
921 | if (!nl_ftypes) | |
922 | goto nla_put_failure; | |
923 | i = 0; | |
924 | stypes = mgmt_stypes[ift].rx; | |
925 | while (stypes) { | |
926 | if (stypes & 1) | |
927 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
928 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
929 | stypes >>= 1; | |
930 | i++; | |
931 | } | |
932 | nla_nest_end(msg, nl_ftypes); | |
933 | } | |
934 | nla_nest_end(msg, nl_ifs); | |
935 | } | |
936 | ||
ff1b6e69 JB |
937 | if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) { |
938 | struct nlattr *nl_wowlan; | |
939 | ||
940 | nl_wowlan = nla_nest_start(msg, | |
941 | NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); | |
942 | if (!nl_wowlan) | |
943 | goto nla_put_failure; | |
944 | ||
945 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) | |
946 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
947 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) | |
948 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
949 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) | |
950 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
77dbbb13 JB |
951 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) |
952 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED); | |
953 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) | |
954 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
955 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) | |
956 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
957 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) | |
958 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
959 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) | |
960 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
ff1b6e69 JB |
961 | if (dev->wiphy.wowlan.n_patterns) { |
962 | struct nl80211_wowlan_pattern_support pat = { | |
963 | .max_patterns = dev->wiphy.wowlan.n_patterns, | |
964 | .min_pattern_len = | |
965 | dev->wiphy.wowlan.pattern_min_len, | |
966 | .max_pattern_len = | |
967 | dev->wiphy.wowlan.pattern_max_len, | |
968 | }; | |
969 | NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
970 | sizeof(pat), &pat); | |
971 | } | |
972 | ||
973 | nla_nest_end(msg, nl_wowlan); | |
974 | } | |
975 | ||
7527a782 JB |
976 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, |
977 | dev->wiphy.software_iftypes)) | |
978 | goto nla_put_failure; | |
979 | ||
980 | if (nl80211_put_iface_combinations(&dev->wiphy, msg)) | |
981 | goto nla_put_failure; | |
982 | ||
55682965 JB |
983 | return genlmsg_end(msg, hdr); |
984 | ||
985 | nla_put_failure: | |
bc3ed28c TG |
986 | genlmsg_cancel(msg, hdr); |
987 | return -EMSGSIZE; | |
55682965 JB |
988 | } |
989 | ||
990 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) | |
991 | { | |
992 | int idx = 0; | |
993 | int start = cb->args[0]; | |
994 | struct cfg80211_registered_device *dev; | |
995 | ||
a1794390 | 996 | mutex_lock(&cfg80211_mutex); |
79c97e97 | 997 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
998 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
999 | continue; | |
b4637271 | 1000 | if (++idx <= start) |
55682965 JB |
1001 | continue; |
1002 | if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, | |
1003 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
b4637271 JV |
1004 | dev) < 0) { |
1005 | idx--; | |
55682965 | 1006 | break; |
b4637271 | 1007 | } |
55682965 | 1008 | } |
a1794390 | 1009 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1010 | |
1011 | cb->args[0] = idx; | |
1012 | ||
1013 | return skb->len; | |
1014 | } | |
1015 | ||
1016 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) | |
1017 | { | |
1018 | struct sk_buff *msg; | |
4c476991 | 1019 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
55682965 | 1020 | |
fd2120ca | 1021 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1022 | if (!msg) |
4c476991 | 1023 | return -ENOMEM; |
55682965 | 1024 | |
4c476991 JB |
1025 | if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { |
1026 | nlmsg_free(msg); | |
1027 | return -ENOBUFS; | |
1028 | } | |
55682965 | 1029 | |
134e6375 | 1030 | return genlmsg_reply(msg, info); |
55682965 JB |
1031 | } |
1032 | ||
31888487 JM |
1033 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1034 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1035 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1036 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1037 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1038 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1039 | }; | |
1040 | ||
1041 | static int parse_txq_params(struct nlattr *tb[], | |
1042 | struct ieee80211_txq_params *txq_params) | |
1043 | { | |
1044 | if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] || | |
1045 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || | |
1046 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1047 | return -EINVAL; | |
1048 | ||
1049 | txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]); | |
1050 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); | |
1051 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1052 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1053 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1054 | ||
1055 | return 0; | |
1056 | } | |
1057 | ||
f444de05 JB |
1058 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1059 | { | |
1060 | /* | |
1061 | * You can only set the channel explicitly for AP, mesh | |
1062 | * and WDS type interfaces; all others have their channel | |
1063 | * managed via their respective "establish a connection" | |
1064 | * command (connect, join, ...) | |
1065 | * | |
1066 | * Monitors are special as they are normally slaved to | |
1067 | * whatever else is going on, so they behave as though | |
1068 | * you tried setting the wiphy channel itself. | |
1069 | */ | |
1070 | return !wdev || | |
1071 | wdev->iftype == NL80211_IFTYPE_AP || | |
1072 | wdev->iftype == NL80211_IFTYPE_WDS || | |
1073 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || | |
074ac8df JB |
1074 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1075 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1076 | } |
1077 | ||
1078 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, | |
1079 | struct wireless_dev *wdev, | |
1080 | struct genl_info *info) | |
1081 | { | |
1082 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
1083 | u32 freq; | |
1084 | int result; | |
1085 | ||
1086 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1087 | return -EINVAL; | |
1088 | ||
1089 | if (!nl80211_can_set_dev_channel(wdev)) | |
1090 | return -EOPNOTSUPP; | |
1091 | ||
1092 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { | |
1093 | channel_type = nla_get_u32(info->attrs[ | |
1094 | NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1095 | if (channel_type != NL80211_CHAN_NO_HT && | |
1096 | channel_type != NL80211_CHAN_HT20 && | |
1097 | channel_type != NL80211_CHAN_HT40PLUS && | |
1098 | channel_type != NL80211_CHAN_HT40MINUS) | |
1099 | return -EINVAL; | |
1100 | } | |
1101 | ||
1102 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1103 | ||
1104 | mutex_lock(&rdev->devlist_mtx); | |
1105 | if (wdev) { | |
1106 | wdev_lock(wdev); | |
1107 | result = cfg80211_set_freq(rdev, wdev, freq, channel_type); | |
1108 | wdev_unlock(wdev); | |
1109 | } else { | |
1110 | result = cfg80211_set_freq(rdev, NULL, freq, channel_type); | |
1111 | } | |
1112 | mutex_unlock(&rdev->devlist_mtx); | |
1113 | ||
1114 | return result; | |
1115 | } | |
1116 | ||
1117 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1118 | { | |
4c476991 JB |
1119 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1120 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1121 | |
4c476991 | 1122 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1123 | } |
1124 | ||
e8347eba BJ |
1125 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1126 | { | |
43b19952 JB |
1127 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1128 | struct net_device *dev = info->user_ptr[1]; | |
1129 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1130 | const u8 *bssid; |
e8347eba BJ |
1131 | |
1132 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1133 | return -EINVAL; | |
1134 | ||
43b19952 JB |
1135 | if (netif_running(dev)) |
1136 | return -EBUSY; | |
e8347eba | 1137 | |
43b19952 JB |
1138 | if (!rdev->ops->set_wds_peer) |
1139 | return -EOPNOTSUPP; | |
e8347eba | 1140 | |
43b19952 JB |
1141 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1142 | return -EOPNOTSUPP; | |
e8347eba BJ |
1143 | |
1144 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
43b19952 | 1145 | return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); |
e8347eba BJ |
1146 | } |
1147 | ||
1148 | ||
55682965 JB |
1149 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1150 | { | |
1151 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1152 | struct net_device *netdev = NULL; |
1153 | struct wireless_dev *wdev; | |
a1e567c8 | 1154 | int result = 0, rem_txq_params = 0; |
31888487 | 1155 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1156 | u32 changed; |
1157 | u8 retry_short = 0, retry_long = 0; | |
1158 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1159 | u8 coverage_class = 0; |
55682965 | 1160 | |
f444de05 JB |
1161 | /* |
1162 | * Try to find the wiphy and netdev. Normally this | |
1163 | * function shouldn't need the netdev, but this is | |
1164 | * done for backward compatibility -- previously | |
1165 | * setting the channel was done per wiphy, but now | |
1166 | * it is per netdev. Previous userland like hostapd | |
1167 | * also passed a netdev to set_wiphy, so that it is | |
1168 | * possible to let that go to the right netdev! | |
1169 | */ | |
4bbf4d56 JB |
1170 | mutex_lock(&cfg80211_mutex); |
1171 | ||
f444de05 JB |
1172 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1173 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1174 | ||
1175 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
1176 | if (netdev && netdev->ieee80211_ptr) { | |
1177 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); | |
1178 | mutex_lock(&rdev->mtx); | |
1179 | } else | |
1180 | netdev = NULL; | |
4bbf4d56 JB |
1181 | } |
1182 | ||
f444de05 JB |
1183 | if (!netdev) { |
1184 | rdev = __cfg80211_rdev_from_info(info); | |
1185 | if (IS_ERR(rdev)) { | |
1186 | mutex_unlock(&cfg80211_mutex); | |
4c476991 | 1187 | return PTR_ERR(rdev); |
f444de05 JB |
1188 | } |
1189 | wdev = NULL; | |
1190 | netdev = NULL; | |
1191 | result = 0; | |
1192 | ||
1193 | mutex_lock(&rdev->mtx); | |
1194 | } else if (netif_running(netdev) && | |
1195 | nl80211_can_set_dev_channel(netdev->ieee80211_ptr)) | |
1196 | wdev = netdev->ieee80211_ptr; | |
1197 | else | |
1198 | wdev = NULL; | |
1199 | ||
1200 | /* | |
1201 | * end workaround code, by now the rdev is available | |
1202 | * and locked, and wdev may or may not be NULL. | |
1203 | */ | |
4bbf4d56 JB |
1204 | |
1205 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1206 | result = cfg80211_dev_rename( |
1207 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 JB |
1208 | |
1209 | mutex_unlock(&cfg80211_mutex); | |
1210 | ||
1211 | if (result) | |
1212 | goto bad_res; | |
31888487 JM |
1213 | |
1214 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1215 | struct ieee80211_txq_params txq_params; | |
1216 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1217 | ||
1218 | if (!rdev->ops->set_txq_params) { | |
1219 | result = -EOPNOTSUPP; | |
1220 | goto bad_res; | |
1221 | } | |
1222 | ||
1223 | nla_for_each_nested(nl_txq_params, | |
1224 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
1225 | rem_txq_params) { | |
1226 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
1227 | nla_data(nl_txq_params), | |
1228 | nla_len(nl_txq_params), | |
1229 | txq_params_policy); | |
1230 | result = parse_txq_params(tb, &txq_params); | |
1231 | if (result) | |
1232 | goto bad_res; | |
1233 | ||
1234 | result = rdev->ops->set_txq_params(&rdev->wiphy, | |
1235 | &txq_params); | |
1236 | if (result) | |
1237 | goto bad_res; | |
1238 | } | |
1239 | } | |
55682965 | 1240 | |
72bdcf34 | 1241 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
f444de05 | 1242 | result = __nl80211_set_channel(rdev, wdev, info); |
72bdcf34 JM |
1243 | if (result) |
1244 | goto bad_res; | |
1245 | } | |
1246 | ||
98d2ff8b JO |
1247 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
1248 | enum nl80211_tx_power_setting type; | |
1249 | int idx, mbm = 0; | |
1250 | ||
1251 | if (!rdev->ops->set_tx_power) { | |
60ea385f | 1252 | result = -EOPNOTSUPP; |
98d2ff8b JO |
1253 | goto bad_res; |
1254 | } | |
1255 | ||
1256 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
1257 | type = nla_get_u32(info->attrs[idx]); | |
1258 | ||
1259 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
1260 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
1261 | result = -EINVAL; | |
1262 | goto bad_res; | |
1263 | } | |
1264 | ||
1265 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
1266 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
1267 | mbm = nla_get_u32(info->attrs[idx]); | |
1268 | } | |
1269 | ||
1270 | result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm); | |
1271 | if (result) | |
1272 | goto bad_res; | |
1273 | } | |
1274 | ||
afe0cbf8 BR |
1275 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
1276 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
1277 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
1278 | if ((!rdev->wiphy.available_antennas_tx && |
1279 | !rdev->wiphy.available_antennas_rx) || | |
1280 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
1281 | result = -EOPNOTSUPP; |
1282 | goto bad_res; | |
1283 | } | |
1284 | ||
1285 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
1286 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
1287 | ||
a7ffac95 | 1288 | /* reject antenna configurations which don't match the |
7f531e03 BR |
1289 | * available antenna masks, except for the "all" mask */ |
1290 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
1291 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
1292 | result = -EINVAL; |
1293 | goto bad_res; | |
1294 | } | |
1295 | ||
7f531e03 BR |
1296 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
1297 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 1298 | |
afe0cbf8 BR |
1299 | result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); |
1300 | if (result) | |
1301 | goto bad_res; | |
1302 | } | |
1303 | ||
b9a5f8ca JM |
1304 | changed = 0; |
1305 | ||
1306 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
1307 | retry_short = nla_get_u8( | |
1308 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
1309 | if (retry_short == 0) { | |
1310 | result = -EINVAL; | |
1311 | goto bad_res; | |
1312 | } | |
1313 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
1314 | } | |
1315 | ||
1316 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
1317 | retry_long = nla_get_u8( | |
1318 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
1319 | if (retry_long == 0) { | |
1320 | result = -EINVAL; | |
1321 | goto bad_res; | |
1322 | } | |
1323 | changed |= WIPHY_PARAM_RETRY_LONG; | |
1324 | } | |
1325 | ||
1326 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
1327 | frag_threshold = nla_get_u32( | |
1328 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
1329 | if (frag_threshold < 256) { | |
1330 | result = -EINVAL; | |
1331 | goto bad_res; | |
1332 | } | |
1333 | if (frag_threshold != (u32) -1) { | |
1334 | /* | |
1335 | * Fragments (apart from the last one) are required to | |
1336 | * have even length. Make the fragmentation code | |
1337 | * simpler by stripping LSB should someone try to use | |
1338 | * odd threshold value. | |
1339 | */ | |
1340 | frag_threshold &= ~0x1; | |
1341 | } | |
1342 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
1343 | } | |
1344 | ||
1345 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
1346 | rts_threshold = nla_get_u32( | |
1347 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
1348 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
1349 | } | |
1350 | ||
81077e82 LT |
1351 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
1352 | coverage_class = nla_get_u8( | |
1353 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
1354 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
1355 | } | |
1356 | ||
b9a5f8ca JM |
1357 | if (changed) { |
1358 | u8 old_retry_short, old_retry_long; | |
1359 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 1360 | u8 old_coverage_class; |
b9a5f8ca JM |
1361 | |
1362 | if (!rdev->ops->set_wiphy_params) { | |
1363 | result = -EOPNOTSUPP; | |
1364 | goto bad_res; | |
1365 | } | |
1366 | ||
1367 | old_retry_short = rdev->wiphy.retry_short; | |
1368 | old_retry_long = rdev->wiphy.retry_long; | |
1369 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
1370 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 1371 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
1372 | |
1373 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1374 | rdev->wiphy.retry_short = retry_short; | |
1375 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1376 | rdev->wiphy.retry_long = retry_long; | |
1377 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
1378 | rdev->wiphy.frag_threshold = frag_threshold; | |
1379 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
1380 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
1381 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
1382 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca JM |
1383 | |
1384 | result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed); | |
1385 | if (result) { | |
1386 | rdev->wiphy.retry_short = old_retry_short; | |
1387 | rdev->wiphy.retry_long = old_retry_long; | |
1388 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
1389 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 1390 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
1391 | } |
1392 | } | |
72bdcf34 | 1393 | |
306d6112 | 1394 | bad_res: |
4bbf4d56 | 1395 | mutex_unlock(&rdev->mtx); |
f444de05 JB |
1396 | if (netdev) |
1397 | dev_put(netdev); | |
55682965 JB |
1398 | return result; |
1399 | } | |
1400 | ||
1401 | ||
1402 | static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
d726405a | 1403 | struct cfg80211_registered_device *rdev, |
55682965 JB |
1404 | struct net_device *dev) |
1405 | { | |
1406 | void *hdr; | |
1407 | ||
1408 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); | |
1409 | if (!hdr) | |
1410 | return -1; | |
1411 | ||
1412 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
d726405a | 1413 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
55682965 | 1414 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name); |
60719ffd | 1415 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype); |
f5ea9120 JB |
1416 | |
1417 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, | |
1418 | rdev->devlist_generation ^ | |
1419 | (cfg80211_rdev_list_generation << 2)); | |
1420 | ||
55682965 JB |
1421 | return genlmsg_end(msg, hdr); |
1422 | ||
1423 | nla_put_failure: | |
bc3ed28c TG |
1424 | genlmsg_cancel(msg, hdr); |
1425 | return -EMSGSIZE; | |
55682965 JB |
1426 | } |
1427 | ||
1428 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
1429 | { | |
1430 | int wp_idx = 0; | |
1431 | int if_idx = 0; | |
1432 | int wp_start = cb->args[0]; | |
1433 | int if_start = cb->args[1]; | |
f5ea9120 | 1434 | struct cfg80211_registered_device *rdev; |
55682965 JB |
1435 | struct wireless_dev *wdev; |
1436 | ||
a1794390 | 1437 | mutex_lock(&cfg80211_mutex); |
f5ea9120 JB |
1438 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1439 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1440 | continue; |
bba95fef JB |
1441 | if (wp_idx < wp_start) { |
1442 | wp_idx++; | |
55682965 | 1443 | continue; |
bba95fef | 1444 | } |
55682965 JB |
1445 | if_idx = 0; |
1446 | ||
f5ea9120 JB |
1447 | mutex_lock(&rdev->devlist_mtx); |
1448 | list_for_each_entry(wdev, &rdev->netdev_list, list) { | |
bba95fef JB |
1449 | if (if_idx < if_start) { |
1450 | if_idx++; | |
55682965 | 1451 | continue; |
bba95fef | 1452 | } |
55682965 JB |
1453 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, |
1454 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
f5ea9120 JB |
1455 | rdev, wdev->netdev) < 0) { |
1456 | mutex_unlock(&rdev->devlist_mtx); | |
bba95fef JB |
1457 | goto out; |
1458 | } | |
1459 | if_idx++; | |
55682965 | 1460 | } |
f5ea9120 | 1461 | mutex_unlock(&rdev->devlist_mtx); |
bba95fef JB |
1462 | |
1463 | wp_idx++; | |
55682965 | 1464 | } |
bba95fef | 1465 | out: |
a1794390 | 1466 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1467 | |
1468 | cb->args[0] = wp_idx; | |
1469 | cb->args[1] = if_idx; | |
1470 | ||
1471 | return skb->len; | |
1472 | } | |
1473 | ||
1474 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
1475 | { | |
1476 | struct sk_buff *msg; | |
4c476991 JB |
1477 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
1478 | struct net_device *netdev = info->user_ptr[1]; | |
55682965 | 1479 | |
fd2120ca | 1480 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1481 | if (!msg) |
4c476991 | 1482 | return -ENOMEM; |
55682965 | 1483 | |
d726405a | 1484 | if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, |
4c476991 JB |
1485 | dev, netdev) < 0) { |
1486 | nlmsg_free(msg); | |
1487 | return -ENOBUFS; | |
1488 | } | |
55682965 | 1489 | |
134e6375 | 1490 | return genlmsg_reply(msg, info); |
55682965 JB |
1491 | } |
1492 | ||
66f7ac50 MW |
1493 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
1494 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
1495 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
1496 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
1497 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
1498 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
1499 | }; | |
1500 | ||
1501 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
1502 | { | |
1503 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
1504 | int flag; | |
1505 | ||
1506 | *mntrflags = 0; | |
1507 | ||
1508 | if (!nla) | |
1509 | return -EINVAL; | |
1510 | ||
1511 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
1512 | nla, mntr_flags_policy)) | |
1513 | return -EINVAL; | |
1514 | ||
1515 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
1516 | if (flags[flag]) | |
1517 | *mntrflags |= (1<<flag); | |
1518 | ||
1519 | return 0; | |
1520 | } | |
1521 | ||
9bc383de | 1522 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
1523 | struct net_device *netdev, u8 use_4addr, |
1524 | enum nl80211_iftype iftype) | |
9bc383de | 1525 | { |
ad4bb6f8 | 1526 | if (!use_4addr) { |
f350a0a8 | 1527 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 1528 | return -EBUSY; |
9bc383de | 1529 | return 0; |
ad4bb6f8 | 1530 | } |
9bc383de JB |
1531 | |
1532 | switch (iftype) { | |
1533 | case NL80211_IFTYPE_AP_VLAN: | |
1534 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
1535 | return 0; | |
1536 | break; | |
1537 | case NL80211_IFTYPE_STATION: | |
1538 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
1539 | return 0; | |
1540 | break; | |
1541 | default: | |
1542 | break; | |
1543 | } | |
1544 | ||
1545 | return -EOPNOTSUPP; | |
1546 | } | |
1547 | ||
55682965 JB |
1548 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
1549 | { | |
4c476991 | 1550 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1551 | struct vif_params params; |
e36d56b6 | 1552 | int err; |
04a773ad | 1553 | enum nl80211_iftype otype, ntype; |
4c476991 | 1554 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 1555 | u32 _flags, *flags = NULL; |
ac7f9cfa | 1556 | bool change = false; |
55682965 | 1557 | |
2ec600d6 LCC |
1558 | memset(¶ms, 0, sizeof(params)); |
1559 | ||
04a773ad | 1560 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 1561 | |
723b038d | 1562 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 1563 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 1564 | if (otype != ntype) |
ac7f9cfa | 1565 | change = true; |
4c476991 JB |
1566 | if (ntype > NL80211_IFTYPE_MAX) |
1567 | return -EINVAL; | |
723b038d JB |
1568 | } |
1569 | ||
92ffe055 | 1570 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
1571 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
1572 | ||
4c476991 JB |
1573 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
1574 | return -EINVAL; | |
29cbe68c JB |
1575 | if (netif_running(dev)) |
1576 | return -EBUSY; | |
1577 | ||
1578 | wdev_lock(wdev); | |
1579 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1580 | IEEE80211_MAX_MESH_ID_LEN); | |
1581 | wdev->mesh_id_up_len = | |
1582 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1583 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1584 | wdev->mesh_id_up_len); | |
1585 | wdev_unlock(wdev); | |
2ec600d6 LCC |
1586 | } |
1587 | ||
8b787643 FF |
1588 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
1589 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
1590 | change = true; | |
ad4bb6f8 | 1591 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 1592 | if (err) |
4c476991 | 1593 | return err; |
8b787643 FF |
1594 | } else { |
1595 | params.use_4addr = -1; | |
1596 | } | |
1597 | ||
92ffe055 | 1598 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
1599 | if (ntype != NL80211_IFTYPE_MONITOR) |
1600 | return -EINVAL; | |
92ffe055 JB |
1601 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
1602 | &_flags); | |
ac7f9cfa | 1603 | if (err) |
4c476991 | 1604 | return err; |
ac7f9cfa JB |
1605 | |
1606 | flags = &_flags; | |
1607 | change = true; | |
92ffe055 | 1608 | } |
3b85875a | 1609 | |
ac7f9cfa | 1610 | if (change) |
3d54d255 | 1611 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
1612 | else |
1613 | err = 0; | |
60719ffd | 1614 | |
9bc383de JB |
1615 | if (!err && params.use_4addr != -1) |
1616 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
1617 | ||
55682965 JB |
1618 | return err; |
1619 | } | |
1620 | ||
1621 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
1622 | { | |
4c476991 | 1623 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1624 | struct vif_params params; |
f9e10ce4 | 1625 | struct net_device *dev; |
55682965 JB |
1626 | int err; |
1627 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 1628 | u32 flags; |
55682965 | 1629 | |
2ec600d6 LCC |
1630 | memset(¶ms, 0, sizeof(params)); |
1631 | ||
55682965 JB |
1632 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
1633 | return -EINVAL; | |
1634 | ||
1635 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
1636 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
1637 | if (type > NL80211_IFTYPE_MAX) | |
1638 | return -EINVAL; | |
1639 | } | |
1640 | ||
79c97e97 | 1641 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
1642 | !(rdev->wiphy.interface_modes & (1 << type))) |
1643 | return -EOPNOTSUPP; | |
55682965 | 1644 | |
9bc383de | 1645 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 1646 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 1647 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 1648 | if (err) |
4c476991 | 1649 | return err; |
9bc383de | 1650 | } |
8b787643 | 1651 | |
66f7ac50 MW |
1652 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
1653 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
1654 | &flags); | |
f9e10ce4 | 1655 | dev = rdev->ops->add_virtual_intf(&rdev->wiphy, |
66f7ac50 | 1656 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), |
2ec600d6 | 1657 | type, err ? NULL : &flags, ¶ms); |
f9e10ce4 JB |
1658 | if (IS_ERR(dev)) |
1659 | return PTR_ERR(dev); | |
2ec600d6 | 1660 | |
29cbe68c JB |
1661 | if (type == NL80211_IFTYPE_MESH_POINT && |
1662 | info->attrs[NL80211_ATTR_MESH_ID]) { | |
1663 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
1664 | ||
1665 | wdev_lock(wdev); | |
1666 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1667 | IEEE80211_MAX_MESH_ID_LEN); | |
1668 | wdev->mesh_id_up_len = | |
1669 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1670 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1671 | wdev->mesh_id_up_len); | |
1672 | wdev_unlock(wdev); | |
1673 | } | |
1674 | ||
f9e10ce4 | 1675 | return 0; |
55682965 JB |
1676 | } |
1677 | ||
1678 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
1679 | { | |
4c476991 JB |
1680 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1681 | struct net_device *dev = info->user_ptr[1]; | |
55682965 | 1682 | |
4c476991 JB |
1683 | if (!rdev->ops->del_virtual_intf) |
1684 | return -EOPNOTSUPP; | |
55682965 | 1685 | |
4c476991 | 1686 | return rdev->ops->del_virtual_intf(&rdev->wiphy, dev); |
55682965 JB |
1687 | } |
1688 | ||
41ade00f JB |
1689 | struct get_key_cookie { |
1690 | struct sk_buff *msg; | |
1691 | int error; | |
b9454e83 | 1692 | int idx; |
41ade00f JB |
1693 | }; |
1694 | ||
1695 | static void get_key_callback(void *c, struct key_params *params) | |
1696 | { | |
b9454e83 | 1697 | struct nlattr *key; |
41ade00f JB |
1698 | struct get_key_cookie *cookie = c; |
1699 | ||
1700 | if (params->key) | |
1701 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, | |
1702 | params->key_len, params->key); | |
1703 | ||
1704 | if (params->seq) | |
1705 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
1706 | params->seq_len, params->seq); | |
1707 | ||
1708 | if (params->cipher) | |
1709 | NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
1710 | params->cipher); | |
1711 | ||
b9454e83 JB |
1712 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
1713 | if (!key) | |
1714 | goto nla_put_failure; | |
1715 | ||
1716 | if (params->key) | |
1717 | NLA_PUT(cookie->msg, NL80211_KEY_DATA, | |
1718 | params->key_len, params->key); | |
1719 | ||
1720 | if (params->seq) | |
1721 | NLA_PUT(cookie->msg, NL80211_KEY_SEQ, | |
1722 | params->seq_len, params->seq); | |
1723 | ||
1724 | if (params->cipher) | |
1725 | NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER, | |
1726 | params->cipher); | |
1727 | ||
1728 | NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx); | |
1729 | ||
1730 | nla_nest_end(cookie->msg, key); | |
1731 | ||
41ade00f JB |
1732 | return; |
1733 | nla_put_failure: | |
1734 | cookie->error = 1; | |
1735 | } | |
1736 | ||
1737 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
1738 | { | |
4c476991 | 1739 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 1740 | int err; |
4c476991 | 1741 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1742 | u8 key_idx = 0; |
e31b8213 JB |
1743 | const u8 *mac_addr = NULL; |
1744 | bool pairwise; | |
41ade00f JB |
1745 | struct get_key_cookie cookie = { |
1746 | .error = 0, | |
1747 | }; | |
1748 | void *hdr; | |
1749 | struct sk_buff *msg; | |
1750 | ||
1751 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
1752 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
1753 | ||
3cfcf6ac | 1754 | if (key_idx > 5) |
41ade00f JB |
1755 | return -EINVAL; |
1756 | ||
1757 | if (info->attrs[NL80211_ATTR_MAC]) | |
1758 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1759 | ||
e31b8213 JB |
1760 | pairwise = !!mac_addr; |
1761 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
1762 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
1763 | if (kt >= NUM_NL80211_KEYTYPES) | |
1764 | return -EINVAL; | |
1765 | if (kt != NL80211_KEYTYPE_GROUP && | |
1766 | kt != NL80211_KEYTYPE_PAIRWISE) | |
1767 | return -EINVAL; | |
1768 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
1769 | } | |
1770 | ||
4c476991 JB |
1771 | if (!rdev->ops->get_key) |
1772 | return -EOPNOTSUPP; | |
41ade00f | 1773 | |
fd2120ca | 1774 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
1775 | if (!msg) |
1776 | return -ENOMEM; | |
41ade00f JB |
1777 | |
1778 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
1779 | NL80211_CMD_NEW_KEY); | |
4c476991 JB |
1780 | if (IS_ERR(hdr)) |
1781 | return PTR_ERR(hdr); | |
41ade00f JB |
1782 | |
1783 | cookie.msg = msg; | |
b9454e83 | 1784 | cookie.idx = key_idx; |
41ade00f JB |
1785 | |
1786 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
1787 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
1788 | if (mac_addr) | |
1789 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
1790 | ||
e31b8213 JB |
1791 | if (pairwise && mac_addr && |
1792 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
1793 | return -ENOENT; | |
1794 | ||
1795 | err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise, | |
1796 | mac_addr, &cookie, get_key_callback); | |
41ade00f JB |
1797 | |
1798 | if (err) | |
6c95e2a2 | 1799 | goto free_msg; |
41ade00f JB |
1800 | |
1801 | if (cookie.error) | |
1802 | goto nla_put_failure; | |
1803 | ||
1804 | genlmsg_end(msg, hdr); | |
4c476991 | 1805 | return genlmsg_reply(msg, info); |
41ade00f JB |
1806 | |
1807 | nla_put_failure: | |
1808 | err = -ENOBUFS; | |
6c95e2a2 | 1809 | free_msg: |
41ade00f | 1810 | nlmsg_free(msg); |
41ade00f JB |
1811 | return err; |
1812 | } | |
1813 | ||
1814 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
1815 | { | |
4c476991 | 1816 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 1817 | struct key_parse key; |
41ade00f | 1818 | int err; |
4c476991 | 1819 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1820 | |
b9454e83 JB |
1821 | err = nl80211_parse_key(info, &key); |
1822 | if (err) | |
1823 | return err; | |
41ade00f | 1824 | |
b9454e83 | 1825 | if (key.idx < 0) |
41ade00f JB |
1826 | return -EINVAL; |
1827 | ||
b9454e83 JB |
1828 | /* only support setting default key */ |
1829 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
1830 | return -EINVAL; |
1831 | ||
dbd2fd65 | 1832 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 1833 | |
dbd2fd65 JB |
1834 | if (key.def) { |
1835 | if (!rdev->ops->set_default_key) { | |
1836 | err = -EOPNOTSUPP; | |
1837 | goto out; | |
1838 | } | |
41ade00f | 1839 | |
dbd2fd65 JB |
1840 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
1841 | if (err) | |
1842 | goto out; | |
1843 | ||
dbd2fd65 JB |
1844 | err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx, |
1845 | key.def_uni, key.def_multi); | |
1846 | ||
1847 | if (err) | |
1848 | goto out; | |
fffd0934 | 1849 | |
3d23e349 | 1850 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
1851 | dev->ieee80211_ptr->wext.default_key = key.idx; |
1852 | #endif | |
1853 | } else { | |
1854 | if (key.def_uni || !key.def_multi) { | |
1855 | err = -EINVAL; | |
1856 | goto out; | |
1857 | } | |
1858 | ||
1859 | if (!rdev->ops->set_default_mgmt_key) { | |
1860 | err = -EOPNOTSUPP; | |
1861 | goto out; | |
1862 | } | |
1863 | ||
1864 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
1865 | if (err) | |
1866 | goto out; | |
1867 | ||
1868 | err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, | |
1869 | dev, key.idx); | |
1870 | if (err) | |
1871 | goto out; | |
1872 | ||
1873 | #ifdef CONFIG_CFG80211_WEXT | |
1874 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 1875 | #endif |
dbd2fd65 JB |
1876 | } |
1877 | ||
1878 | out: | |
fffd0934 | 1879 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 1880 | |
41ade00f JB |
1881 | return err; |
1882 | } | |
1883 | ||
1884 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
1885 | { | |
4c476991 | 1886 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 1887 | int err; |
4c476991 | 1888 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 1889 | struct key_parse key; |
e31b8213 | 1890 | const u8 *mac_addr = NULL; |
41ade00f | 1891 | |
b9454e83 JB |
1892 | err = nl80211_parse_key(info, &key); |
1893 | if (err) | |
1894 | return err; | |
41ade00f | 1895 | |
b9454e83 | 1896 | if (!key.p.key) |
41ade00f JB |
1897 | return -EINVAL; |
1898 | ||
41ade00f JB |
1899 | if (info->attrs[NL80211_ATTR_MAC]) |
1900 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1901 | ||
e31b8213 JB |
1902 | if (key.type == -1) { |
1903 | if (mac_addr) | |
1904 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
1905 | else | |
1906 | key.type = NL80211_KEYTYPE_GROUP; | |
1907 | } | |
1908 | ||
1909 | /* for now */ | |
1910 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
1911 | key.type != NL80211_KEYTYPE_GROUP) | |
1912 | return -EINVAL; | |
1913 | ||
4c476991 JB |
1914 | if (!rdev->ops->add_key) |
1915 | return -EOPNOTSUPP; | |
25e47c18 | 1916 | |
e31b8213 JB |
1917 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
1918 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
1919 | mac_addr)) | |
4c476991 | 1920 | return -EINVAL; |
41ade00f | 1921 | |
fffd0934 JB |
1922 | wdev_lock(dev->ieee80211_ptr); |
1923 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
1924 | if (!err) | |
1925 | err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx, | |
e31b8213 | 1926 | key.type == NL80211_KEYTYPE_PAIRWISE, |
fffd0934 JB |
1927 | mac_addr, &key.p); |
1928 | wdev_unlock(dev->ieee80211_ptr); | |
41ade00f | 1929 | |
41ade00f JB |
1930 | return err; |
1931 | } | |
1932 | ||
1933 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
1934 | { | |
4c476991 | 1935 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 1936 | int err; |
4c476991 | 1937 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1938 | u8 *mac_addr = NULL; |
b9454e83 | 1939 | struct key_parse key; |
41ade00f | 1940 | |
b9454e83 JB |
1941 | err = nl80211_parse_key(info, &key); |
1942 | if (err) | |
1943 | return err; | |
41ade00f JB |
1944 | |
1945 | if (info->attrs[NL80211_ATTR_MAC]) | |
1946 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1947 | ||
e31b8213 JB |
1948 | if (key.type == -1) { |
1949 | if (mac_addr) | |
1950 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
1951 | else | |
1952 | key.type = NL80211_KEYTYPE_GROUP; | |
1953 | } | |
1954 | ||
1955 | /* for now */ | |
1956 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
1957 | key.type != NL80211_KEYTYPE_GROUP) | |
1958 | return -EINVAL; | |
1959 | ||
4c476991 JB |
1960 | if (!rdev->ops->del_key) |
1961 | return -EOPNOTSUPP; | |
41ade00f | 1962 | |
fffd0934 JB |
1963 | wdev_lock(dev->ieee80211_ptr); |
1964 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
1965 | |
1966 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
1967 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
1968 | err = -ENOENT; | |
1969 | ||
fffd0934 | 1970 | if (!err) |
e31b8213 JB |
1971 | err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, |
1972 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
1973 | mac_addr); | |
41ade00f | 1974 | |
3d23e349 | 1975 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 1976 | if (!err) { |
b9454e83 | 1977 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 1978 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 1979 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
1980 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
1981 | } | |
1982 | #endif | |
fffd0934 | 1983 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 1984 | |
41ade00f JB |
1985 | return err; |
1986 | } | |
1987 | ||
ed1b6cc7 JB |
1988 | static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) |
1989 | { | |
1990 | int (*call)(struct wiphy *wiphy, struct net_device *dev, | |
1991 | struct beacon_parameters *info); | |
4c476991 JB |
1992 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1993 | struct net_device *dev = info->user_ptr[1]; | |
56d1893d | 1994 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
ed1b6cc7 | 1995 | struct beacon_parameters params; |
56d1893d | 1996 | int haveinfo = 0, err; |
ed1b6cc7 | 1997 | |
9946ecfb JM |
1998 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) || |
1999 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) || | |
2000 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
2001 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
2002 | return -EINVAL; |
2003 | ||
074ac8df | 2004 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2005 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2006 | return -EOPNOTSUPP; | |
eec60b03 | 2007 | |
56d1893d JB |
2008 | memset(¶ms, 0, sizeof(params)); |
2009 | ||
ed1b6cc7 JB |
2010 | switch (info->genlhdr->cmd) { |
2011 | case NL80211_CMD_NEW_BEACON: | |
2012 | /* these are required for NEW_BEACON */ | |
2013 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
2014 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
4c476991 JB |
2015 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) |
2016 | return -EINVAL; | |
ed1b6cc7 | 2017 | |
56d1893d JB |
2018 | params.interval = |
2019 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
2020 | params.dtim_period = | |
2021 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
2022 | ||
2023 | err = cfg80211_validate_beacon_int(rdev, params.interval); | |
2024 | if (err) | |
2025 | return err; | |
2026 | ||
32e9de84 JM |
2027 | /* |
2028 | * In theory, some of these attributes could be required for | |
2029 | * NEW_BEACON, but since they were not used when the command was | |
2030 | * originally added, keep them optional for old user space | |
2031 | * programs to work with drivers that do not need the additional | |
2032 | * information. | |
2033 | */ | |
2034 | if (info->attrs[NL80211_ATTR_SSID]) { | |
2035 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
2036 | params.ssid_len = | |
2037 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
2038 | if (params.ssid_len == 0 || | |
2039 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
2040 | return -EINVAL; | |
2041 | } | |
2042 | ||
2043 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
2044 | params.hidden_ssid = nla_get_u32( | |
2045 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
2046 | if (params.hidden_ssid != | |
2047 | NL80211_HIDDEN_SSID_NOT_IN_USE && | |
2048 | params.hidden_ssid != | |
2049 | NL80211_HIDDEN_SSID_ZERO_LEN && | |
2050 | params.hidden_ssid != | |
2051 | NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
2052 | return -EINVAL; | |
2053 | } | |
2054 | ||
5fb628e9 JM |
2055 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
2056 | ||
2057 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
2058 | params.auth_type = nla_get_u32( | |
2059 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
2060 | if (!nl80211_valid_auth_type(params.auth_type)) | |
2061 | return -EINVAL; | |
2062 | } else | |
2063 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
2064 | ||
2065 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
2066 | NL80211_MAX_NR_CIPHER_SUITES); | |
2067 | if (err) | |
2068 | return err; | |
2069 | ||
79c97e97 | 2070 | call = rdev->ops->add_beacon; |
ed1b6cc7 JB |
2071 | break; |
2072 | case NL80211_CMD_SET_BEACON: | |
79c97e97 | 2073 | call = rdev->ops->set_beacon; |
ed1b6cc7 JB |
2074 | break; |
2075 | default: | |
2076 | WARN_ON(1); | |
4c476991 | 2077 | return -EOPNOTSUPP; |
ed1b6cc7 JB |
2078 | } |
2079 | ||
4c476991 JB |
2080 | if (!call) |
2081 | return -EOPNOTSUPP; | |
ed1b6cc7 | 2082 | |
ed1b6cc7 JB |
2083 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { |
2084 | params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
2085 | params.head_len = | |
2086 | nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
2087 | haveinfo = 1; | |
2088 | } | |
2089 | ||
2090 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { | |
2091 | params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
2092 | params.tail_len = | |
2093 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
2094 | haveinfo = 1; | |
2095 | } | |
2096 | ||
4c476991 JB |
2097 | if (!haveinfo) |
2098 | return -EINVAL; | |
3b85875a | 2099 | |
9946ecfb JM |
2100 | if (info->attrs[NL80211_ATTR_IE]) { |
2101 | params.beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]); | |
2102 | params.beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
2103 | } | |
2104 | ||
2105 | if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) { | |
2106 | params.proberesp_ies = | |
2107 | nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); | |
2108 | params.proberesp_ies_len = | |
2109 | nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); | |
2110 | } | |
2111 | ||
2112 | if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) { | |
2113 | params.assocresp_ies = | |
2114 | nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); | |
2115 | params.assocresp_ies_len = | |
2116 | nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); | |
2117 | } | |
2118 | ||
56d1893d JB |
2119 | err = call(&rdev->wiphy, dev, ¶ms); |
2120 | if (!err && params.interval) | |
2121 | wdev->beacon_interval = params.interval; | |
2122 | return err; | |
ed1b6cc7 JB |
2123 | } |
2124 | ||
2125 | static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) | |
2126 | { | |
4c476991 JB |
2127 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2128 | struct net_device *dev = info->user_ptr[1]; | |
56d1893d JB |
2129 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2130 | int err; | |
ed1b6cc7 | 2131 | |
4c476991 JB |
2132 | if (!rdev->ops->del_beacon) |
2133 | return -EOPNOTSUPP; | |
ed1b6cc7 | 2134 | |
074ac8df | 2135 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2136 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2137 | return -EOPNOTSUPP; | |
3b85875a | 2138 | |
56d1893d JB |
2139 | err = rdev->ops->del_beacon(&rdev->wiphy, dev); |
2140 | if (!err) | |
2141 | wdev->beacon_interval = 0; | |
2142 | return err; | |
ed1b6cc7 JB |
2143 | } |
2144 | ||
5727ef1b JB |
2145 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
2146 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
2147 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
2148 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 2149 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 2150 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
5727ef1b JB |
2151 | }; |
2152 | ||
eccb8e8f JB |
2153 | static int parse_station_flags(struct genl_info *info, |
2154 | struct station_parameters *params) | |
5727ef1b JB |
2155 | { |
2156 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 2157 | struct nlattr *nla; |
5727ef1b JB |
2158 | int flag; |
2159 | ||
eccb8e8f JB |
2160 | /* |
2161 | * Try parsing the new attribute first so userspace | |
2162 | * can specify both for older kernels. | |
2163 | */ | |
2164 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
2165 | if (nla) { | |
2166 | struct nl80211_sta_flag_update *sta_flags; | |
2167 | ||
2168 | sta_flags = nla_data(nla); | |
2169 | params->sta_flags_mask = sta_flags->mask; | |
2170 | params->sta_flags_set = sta_flags->set; | |
2171 | if ((params->sta_flags_mask | | |
2172 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
2173 | return -EINVAL; | |
2174 | return 0; | |
2175 | } | |
2176 | ||
2177 | /* if present, parse the old attribute */ | |
5727ef1b | 2178 | |
eccb8e8f | 2179 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
2180 | if (!nla) |
2181 | return 0; | |
2182 | ||
2183 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
2184 | nla, sta_flags_policy)) | |
2185 | return -EINVAL; | |
2186 | ||
eccb8e8f JB |
2187 | params->sta_flags_mask = (1 << __NL80211_STA_FLAG_AFTER_LAST) - 1; |
2188 | params->sta_flags_mask &= ~1; | |
5727ef1b JB |
2189 | |
2190 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) | |
2191 | if (flags[flag]) | |
eccb8e8f | 2192 | params->sta_flags_set |= (1<<flag); |
5727ef1b JB |
2193 | |
2194 | return 0; | |
2195 | } | |
2196 | ||
c8dcfd8a FF |
2197 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
2198 | int attr) | |
2199 | { | |
2200 | struct nlattr *rate; | |
2201 | u16 bitrate; | |
2202 | ||
2203 | rate = nla_nest_start(msg, attr); | |
2204 | if (!rate) | |
2205 | goto nla_put_failure; | |
2206 | ||
2207 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
2208 | bitrate = cfg80211_calculate_bitrate(info); | |
2209 | if (bitrate > 0) | |
2210 | NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate); | |
2211 | ||
2212 | if (info->flags & RATE_INFO_FLAGS_MCS) | |
2213 | NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs); | |
2214 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) | |
2215 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH); | |
2216 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI) | |
2217 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI); | |
2218 | ||
2219 | nla_nest_end(msg, rate); | |
2220 | return true; | |
2221 | ||
2222 | nla_put_failure: | |
2223 | return false; | |
2224 | } | |
2225 | ||
fd5b74dc JB |
2226 | static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, |
2227 | int flags, struct net_device *dev, | |
98b62183 | 2228 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
2229 | { |
2230 | void *hdr; | |
f4263c98 | 2231 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc JB |
2232 | |
2233 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2234 | if (!hdr) | |
2235 | return -1; | |
2236 | ||
2237 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2238 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
2239 | ||
f5ea9120 JB |
2240 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation); |
2241 | ||
2ec600d6 LCC |
2242 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
2243 | if (!sinfoattr) | |
fd5b74dc | 2244 | goto nla_put_failure; |
ebe27c91 MSS |
2245 | if (sinfo->filled & STATION_INFO_CONNECTED_TIME) |
2246 | NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
2247 | sinfo->connected_time); | |
2ec600d6 LCC |
2248 | if (sinfo->filled & STATION_INFO_INACTIVE_TIME) |
2249 | NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
2250 | sinfo->inactive_time); | |
2251 | if (sinfo->filled & STATION_INFO_RX_BYTES) | |
2252 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, | |
2253 | sinfo->rx_bytes); | |
2254 | if (sinfo->filled & STATION_INFO_TX_BYTES) | |
2255 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, | |
2256 | sinfo->tx_bytes); | |
2257 | if (sinfo->filled & STATION_INFO_LLID) | |
2258 | NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, | |
2259 | sinfo->llid); | |
2260 | if (sinfo->filled & STATION_INFO_PLID) | |
2261 | NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, | |
2262 | sinfo->plid); | |
2263 | if (sinfo->filled & STATION_INFO_PLINK_STATE) | |
2264 | NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, | |
2265 | sinfo->plink_state); | |
420e7fab HR |
2266 | if (sinfo->filled & STATION_INFO_SIGNAL) |
2267 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, | |
2268 | sinfo->signal); | |
541a45a1 BR |
2269 | if (sinfo->filled & STATION_INFO_SIGNAL_AVG) |
2270 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
2271 | sinfo->signal_avg); | |
420e7fab | 2272 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
2273 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
2274 | NL80211_STA_INFO_TX_BITRATE)) | |
2275 | goto nla_put_failure; | |
2276 | } | |
2277 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
2278 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
2279 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 2280 | goto nla_put_failure; |
420e7fab | 2281 | } |
98c8a60a JM |
2282 | if (sinfo->filled & STATION_INFO_RX_PACKETS) |
2283 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS, | |
2284 | sinfo->rx_packets); | |
2285 | if (sinfo->filled & STATION_INFO_TX_PACKETS) | |
2286 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS, | |
2287 | sinfo->tx_packets); | |
b206b4ef BR |
2288 | if (sinfo->filled & STATION_INFO_TX_RETRIES) |
2289 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES, | |
2290 | sinfo->tx_retries); | |
2291 | if (sinfo->filled & STATION_INFO_TX_FAILED) | |
2292 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED, | |
2293 | sinfo->tx_failed); | |
f4263c98 PS |
2294 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
2295 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
2296 | if (!bss_param) | |
2297 | goto nla_put_failure; | |
2298 | ||
2299 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) | |
2300 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT); | |
2301 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) | |
2302 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE); | |
2303 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) | |
2304 | NLA_PUT_FLAG(msg, | |
2305 | NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME); | |
2306 | NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
2307 | sinfo->bss_param.dtim_period); | |
2308 | NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
2309 | sinfo->bss_param.beacon_interval); | |
2310 | ||
2311 | nla_nest_end(msg, bss_param); | |
2312 | } | |
2ec600d6 | 2313 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 2314 | |
040bdf71 | 2315 | if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES) |
50d3dfb7 JM |
2316 | NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
2317 | sinfo->assoc_req_ies); | |
2318 | ||
fd5b74dc JB |
2319 | return genlmsg_end(msg, hdr); |
2320 | ||
2321 | nla_put_failure: | |
bc3ed28c TG |
2322 | genlmsg_cancel(msg, hdr); |
2323 | return -EMSGSIZE; | |
fd5b74dc JB |
2324 | } |
2325 | ||
2ec600d6 | 2326 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 2327 | struct netlink_callback *cb) |
2ec600d6 | 2328 | { |
2ec600d6 LCC |
2329 | struct station_info sinfo; |
2330 | struct cfg80211_registered_device *dev; | |
bba95fef | 2331 | struct net_device *netdev; |
2ec600d6 | 2332 | u8 mac_addr[ETH_ALEN]; |
bba95fef | 2333 | int sta_idx = cb->args[1]; |
2ec600d6 | 2334 | int err; |
2ec600d6 | 2335 | |
67748893 JB |
2336 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2337 | if (err) | |
2338 | return err; | |
bba95fef JB |
2339 | |
2340 | if (!dev->ops->dump_station) { | |
eec60b03 | 2341 | err = -EOPNOTSUPP; |
bba95fef JB |
2342 | goto out_err; |
2343 | } | |
2344 | ||
bba95fef | 2345 | while (1) { |
f612cedf | 2346 | memset(&sinfo, 0, sizeof(sinfo)); |
bba95fef JB |
2347 | err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, |
2348 | mac_addr, &sinfo); | |
2349 | if (err == -ENOENT) | |
2350 | break; | |
2351 | if (err) | |
3b85875a | 2352 | goto out_err; |
bba95fef JB |
2353 | |
2354 | if (nl80211_send_station(skb, | |
2355 | NETLINK_CB(cb->skb).pid, | |
2356 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2357 | netdev, mac_addr, | |
2358 | &sinfo) < 0) | |
2359 | goto out; | |
2360 | ||
2361 | sta_idx++; | |
2362 | } | |
2363 | ||
2364 | ||
2365 | out: | |
2366 | cb->args[1] = sta_idx; | |
2367 | err = skb->len; | |
bba95fef | 2368 | out_err: |
67748893 | 2369 | nl80211_finish_netdev_dump(dev); |
bba95fef JB |
2370 | |
2371 | return err; | |
2ec600d6 | 2372 | } |
fd5b74dc | 2373 | |
5727ef1b JB |
2374 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
2375 | { | |
4c476991 JB |
2376 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2377 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 2378 | struct station_info sinfo; |
fd5b74dc JB |
2379 | struct sk_buff *msg; |
2380 | u8 *mac_addr = NULL; | |
4c476991 | 2381 | int err; |
fd5b74dc | 2382 | |
2ec600d6 | 2383 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
2384 | |
2385 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2386 | return -EINVAL; | |
2387 | ||
2388 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2389 | ||
4c476991 JB |
2390 | if (!rdev->ops->get_station) |
2391 | return -EOPNOTSUPP; | |
3b85875a | 2392 | |
4c476991 | 2393 | err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo); |
fd5b74dc | 2394 | if (err) |
4c476991 | 2395 | return err; |
2ec600d6 | 2396 | |
fd2120ca | 2397 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 2398 | if (!msg) |
4c476991 | 2399 | return -ENOMEM; |
fd5b74dc JB |
2400 | |
2401 | if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
2402 | dev, mac_addr, &sinfo) < 0) { |
2403 | nlmsg_free(msg); | |
2404 | return -ENOBUFS; | |
2405 | } | |
3b85875a | 2406 | |
4c476991 | 2407 | return genlmsg_reply(msg, info); |
5727ef1b JB |
2408 | } |
2409 | ||
2410 | /* | |
c258d2de | 2411 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 2412 | */ |
463d0183 | 2413 | static int get_vlan(struct genl_info *info, |
5727ef1b JB |
2414 | struct cfg80211_registered_device *rdev, |
2415 | struct net_device **vlan) | |
2416 | { | |
463d0183 | 2417 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
5727ef1b JB |
2418 | *vlan = NULL; |
2419 | ||
2420 | if (vlanattr) { | |
463d0183 JB |
2421 | *vlan = dev_get_by_index(genl_info_net(info), |
2422 | nla_get_u32(vlanattr)); | |
5727ef1b JB |
2423 | if (!*vlan) |
2424 | return -ENODEV; | |
2425 | if (!(*vlan)->ieee80211_ptr) | |
2426 | return -EINVAL; | |
2427 | if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) | |
2428 | return -EINVAL; | |
c258d2de FF |
2429 | if (!netif_running(*vlan)) |
2430 | return -ENETDOWN; | |
5727ef1b JB |
2431 | } |
2432 | return 0; | |
2433 | } | |
2434 | ||
2435 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) | |
2436 | { | |
4c476991 | 2437 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2438 | int err; |
4c476991 | 2439 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2440 | struct station_parameters params; |
2441 | u8 *mac_addr = NULL; | |
2442 | ||
2443 | memset(¶ms, 0, sizeof(params)); | |
2444 | ||
2445 | params.listen_interval = -1; | |
57cf8043 | 2446 | params.plink_state = -1; |
5727ef1b JB |
2447 | |
2448 | if (info->attrs[NL80211_ATTR_STA_AID]) | |
2449 | return -EINVAL; | |
2450 | ||
2451 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2452 | return -EINVAL; | |
2453 | ||
2454 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2455 | ||
2456 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
2457 | params.supported_rates = | |
2458 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2459 | params.supported_rates_len = | |
2460 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2461 | } | |
2462 | ||
2463 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
2464 | params.listen_interval = | |
2465 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
2466 | ||
36aedc90 JM |
2467 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2468 | params.ht_capa = | |
2469 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
2470 | ||
eccb8e8f | 2471 | if (parse_station_flags(info, ¶ms)) |
5727ef1b JB |
2472 | return -EINVAL; |
2473 | ||
2ec600d6 LCC |
2474 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2475 | params.plink_action = | |
2476 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2477 | ||
9c3990aa JC |
2478 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) |
2479 | params.plink_state = | |
2480 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); | |
2481 | ||
463d0183 | 2482 | err = get_vlan(info, rdev, ¶ms.vlan); |
a97f4424 | 2483 | if (err) |
034d655e | 2484 | goto out; |
a97f4424 JB |
2485 | |
2486 | /* validate settings */ | |
2487 | err = 0; | |
2488 | ||
2489 | switch (dev->ieee80211_ptr->iftype) { | |
2490 | case NL80211_IFTYPE_AP: | |
2491 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 2492 | case NL80211_IFTYPE_P2P_GO: |
a97f4424 JB |
2493 | /* disallow mesh-specific things */ |
2494 | if (params.plink_action) | |
2495 | err = -EINVAL; | |
2496 | break; | |
074ac8df | 2497 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 JB |
2498 | case NL80211_IFTYPE_STATION: |
2499 | /* disallow everything but AUTHORIZED flag */ | |
2500 | if (params.plink_action) | |
2501 | err = -EINVAL; | |
2502 | if (params.vlan) | |
2503 | err = -EINVAL; | |
2504 | if (params.supported_rates) | |
2505 | err = -EINVAL; | |
2506 | if (params.ht_capa) | |
2507 | err = -EINVAL; | |
2508 | if (params.listen_interval >= 0) | |
2509 | err = -EINVAL; | |
2510 | if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
2511 | err = -EINVAL; | |
2512 | break; | |
2513 | case NL80211_IFTYPE_MESH_POINT: | |
2514 | /* disallow things mesh doesn't support */ | |
2515 | if (params.vlan) | |
2516 | err = -EINVAL; | |
2517 | if (params.ht_capa) | |
2518 | err = -EINVAL; | |
2519 | if (params.listen_interval >= 0) | |
2520 | err = -EINVAL; | |
b39c48fa JC |
2521 | if (params.sta_flags_mask & |
2522 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
8429828e | 2523 | BIT(NL80211_STA_FLAG_MFP) | |
b39c48fa | 2524 | BIT(NL80211_STA_FLAG_AUTHORIZED))) |
a97f4424 JB |
2525 | err = -EINVAL; |
2526 | break; | |
2527 | default: | |
2528 | err = -EINVAL; | |
034d655e JB |
2529 | } |
2530 | ||
5727ef1b JB |
2531 | if (err) |
2532 | goto out; | |
2533 | ||
79c97e97 | 2534 | if (!rdev->ops->change_station) { |
5727ef1b JB |
2535 | err = -EOPNOTSUPP; |
2536 | goto out; | |
2537 | } | |
2538 | ||
79c97e97 | 2539 | err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b JB |
2540 | |
2541 | out: | |
2542 | if (params.vlan) | |
2543 | dev_put(params.vlan); | |
3b85875a | 2544 | |
5727ef1b JB |
2545 | return err; |
2546 | } | |
2547 | ||
c75786c9 EP |
2548 | static struct nla_policy |
2549 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
2550 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
2551 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
2552 | }; | |
2553 | ||
5727ef1b JB |
2554 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) |
2555 | { | |
4c476991 | 2556 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2557 | int err; |
4c476991 | 2558 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2559 | struct station_parameters params; |
2560 | u8 *mac_addr = NULL; | |
2561 | ||
2562 | memset(¶ms, 0, sizeof(params)); | |
2563 | ||
2564 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2565 | return -EINVAL; | |
2566 | ||
5727ef1b JB |
2567 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
2568 | return -EINVAL; | |
2569 | ||
2570 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
2571 | return -EINVAL; | |
2572 | ||
0e956c13 TLSC |
2573 | if (!info->attrs[NL80211_ATTR_STA_AID]) |
2574 | return -EINVAL; | |
2575 | ||
5727ef1b JB |
2576 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
2577 | params.supported_rates = | |
2578 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2579 | params.supported_rates_len = | |
2580 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2581 | params.listen_interval = | |
2582 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 2583 | |
0e956c13 TLSC |
2584 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
2585 | if (!params.aid || params.aid > IEEE80211_MAX_AID) | |
2586 | return -EINVAL; | |
51b50fbe | 2587 | |
36aedc90 JM |
2588 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2589 | params.ht_capa = | |
2590 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 2591 | |
96b78dff JC |
2592 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2593 | params.plink_action = | |
2594 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2595 | ||
eccb8e8f | 2596 | if (parse_station_flags(info, ¶ms)) |
5727ef1b JB |
2597 | return -EINVAL; |
2598 | ||
c75786c9 EP |
2599 | /* parse WME attributes if sta is WME capable */ |
2600 | if ((params.sta_flags_set & NL80211_STA_FLAG_WME) && | |
2601 | info->attrs[NL80211_ATTR_STA_WME]) { | |
2602 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; | |
2603 | struct nlattr *nla; | |
2604 | ||
2605 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
2606 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
2607 | nl80211_sta_wme_policy); | |
2608 | if (err) | |
2609 | return err; | |
2610 | ||
2611 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
2612 | params.uapsd_queues = | |
2613 | nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
2614 | ||
2615 | if (tb[NL80211_STA_WME_MAX_SP]) | |
2616 | params.max_sp = | |
2617 | nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
2618 | } | |
2619 | ||
0e956c13 | 2620 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
074ac8df | 2621 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
96b78dff | 2622 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
2623 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2624 | return -EINVAL; | |
0e956c13 | 2625 | |
463d0183 | 2626 | err = get_vlan(info, rdev, ¶ms.vlan); |
a97f4424 | 2627 | if (err) |
e80cf853 | 2628 | goto out; |
a97f4424 JB |
2629 | |
2630 | /* validate settings */ | |
2631 | err = 0; | |
2632 | ||
79c97e97 | 2633 | if (!rdev->ops->add_station) { |
5727ef1b JB |
2634 | err = -EOPNOTSUPP; |
2635 | goto out; | |
2636 | } | |
2637 | ||
79c97e97 | 2638 | err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b JB |
2639 | |
2640 | out: | |
2641 | if (params.vlan) | |
2642 | dev_put(params.vlan); | |
5727ef1b JB |
2643 | return err; |
2644 | } | |
2645 | ||
2646 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
2647 | { | |
4c476991 JB |
2648 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2649 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
2650 | u8 *mac_addr = NULL; |
2651 | ||
2652 | if (info->attrs[NL80211_ATTR_MAC]) | |
2653 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2654 | ||
e80cf853 | 2655 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 2656 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 2657 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
2658 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2659 | return -EINVAL; | |
5727ef1b | 2660 | |
4c476991 JB |
2661 | if (!rdev->ops->del_station) |
2662 | return -EOPNOTSUPP; | |
3b85875a | 2663 | |
4c476991 | 2664 | return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); |
5727ef1b JB |
2665 | } |
2666 | ||
2ec600d6 LCC |
2667 | static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, |
2668 | int flags, struct net_device *dev, | |
2669 | u8 *dst, u8 *next_hop, | |
2670 | struct mpath_info *pinfo) | |
2671 | { | |
2672 | void *hdr; | |
2673 | struct nlattr *pinfoattr; | |
2674 | ||
2675 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2676 | if (!hdr) | |
2677 | return -1; | |
2678 | ||
2679 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2680 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
2681 | NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); | |
2682 | ||
f5ea9120 JB |
2683 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation); |
2684 | ||
2ec600d6 LCC |
2685 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
2686 | if (!pinfoattr) | |
2687 | goto nla_put_failure; | |
2688 | if (pinfo->filled & MPATH_INFO_FRAME_QLEN) | |
2689 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
2690 | pinfo->frame_qlen); | |
d19b3bf6 RP |
2691 | if (pinfo->filled & MPATH_INFO_SN) |
2692 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN, | |
2693 | pinfo->sn); | |
2ec600d6 LCC |
2694 | if (pinfo->filled & MPATH_INFO_METRIC) |
2695 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, | |
2696 | pinfo->metric); | |
2697 | if (pinfo->filled & MPATH_INFO_EXPTIME) | |
2698 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, | |
2699 | pinfo->exptime); | |
2700 | if (pinfo->filled & MPATH_INFO_FLAGS) | |
2701 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, | |
2702 | pinfo->flags); | |
2703 | if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) | |
2704 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
2705 | pinfo->discovery_timeout); | |
2706 | if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) | |
2707 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
2708 | pinfo->discovery_retries); | |
2709 | ||
2710 | nla_nest_end(msg, pinfoattr); | |
2711 | ||
2712 | return genlmsg_end(msg, hdr); | |
2713 | ||
2714 | nla_put_failure: | |
bc3ed28c TG |
2715 | genlmsg_cancel(msg, hdr); |
2716 | return -EMSGSIZE; | |
2ec600d6 LCC |
2717 | } |
2718 | ||
2719 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 2720 | struct netlink_callback *cb) |
2ec600d6 | 2721 | { |
2ec600d6 LCC |
2722 | struct mpath_info pinfo; |
2723 | struct cfg80211_registered_device *dev; | |
bba95fef | 2724 | struct net_device *netdev; |
2ec600d6 LCC |
2725 | u8 dst[ETH_ALEN]; |
2726 | u8 next_hop[ETH_ALEN]; | |
bba95fef | 2727 | int path_idx = cb->args[1]; |
2ec600d6 | 2728 | int err; |
2ec600d6 | 2729 | |
67748893 JB |
2730 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2731 | if (err) | |
2732 | return err; | |
bba95fef JB |
2733 | |
2734 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 2735 | err = -EOPNOTSUPP; |
bba95fef JB |
2736 | goto out_err; |
2737 | } | |
2738 | ||
eec60b03 JM |
2739 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { |
2740 | err = -EOPNOTSUPP; | |
0448b5fc | 2741 | goto out_err; |
eec60b03 JM |
2742 | } |
2743 | ||
bba95fef JB |
2744 | while (1) { |
2745 | err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, | |
2746 | dst, next_hop, &pinfo); | |
2747 | if (err == -ENOENT) | |
2ec600d6 | 2748 | break; |
bba95fef | 2749 | if (err) |
3b85875a | 2750 | goto out_err; |
2ec600d6 | 2751 | |
bba95fef JB |
2752 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, |
2753 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2754 | netdev, dst, next_hop, | |
2755 | &pinfo) < 0) | |
2756 | goto out; | |
2ec600d6 | 2757 | |
bba95fef | 2758 | path_idx++; |
2ec600d6 | 2759 | } |
2ec600d6 | 2760 | |
2ec600d6 | 2761 | |
bba95fef JB |
2762 | out: |
2763 | cb->args[1] = path_idx; | |
2764 | err = skb->len; | |
bba95fef | 2765 | out_err: |
67748893 | 2766 | nl80211_finish_netdev_dump(dev); |
bba95fef | 2767 | return err; |
2ec600d6 LCC |
2768 | } |
2769 | ||
2770 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
2771 | { | |
4c476991 | 2772 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2773 | int err; |
4c476991 | 2774 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
2775 | struct mpath_info pinfo; |
2776 | struct sk_buff *msg; | |
2777 | u8 *dst = NULL; | |
2778 | u8 next_hop[ETH_ALEN]; | |
2779 | ||
2780 | memset(&pinfo, 0, sizeof(pinfo)); | |
2781 | ||
2782 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2783 | return -EINVAL; | |
2784 | ||
2785 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2786 | ||
4c476991 JB |
2787 | if (!rdev->ops->get_mpath) |
2788 | return -EOPNOTSUPP; | |
2ec600d6 | 2789 | |
4c476991 JB |
2790 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2791 | return -EOPNOTSUPP; | |
eec60b03 | 2792 | |
79c97e97 | 2793 | err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo); |
2ec600d6 | 2794 | if (err) |
4c476991 | 2795 | return err; |
2ec600d6 | 2796 | |
fd2120ca | 2797 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 2798 | if (!msg) |
4c476991 | 2799 | return -ENOMEM; |
2ec600d6 LCC |
2800 | |
2801 | if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
2802 | dev, dst, next_hop, &pinfo) < 0) { |
2803 | nlmsg_free(msg); | |
2804 | return -ENOBUFS; | |
2805 | } | |
3b85875a | 2806 | |
4c476991 | 2807 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
2808 | } |
2809 | ||
2810 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
2811 | { | |
4c476991 JB |
2812 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2813 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2814 | u8 *dst = NULL; |
2815 | u8 *next_hop = NULL; | |
2816 | ||
2817 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2818 | return -EINVAL; | |
2819 | ||
2820 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
2821 | return -EINVAL; | |
2822 | ||
2823 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2824 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
2825 | ||
4c476991 JB |
2826 | if (!rdev->ops->change_mpath) |
2827 | return -EOPNOTSUPP; | |
35a8efe1 | 2828 | |
4c476991 JB |
2829 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2830 | return -EOPNOTSUPP; | |
2ec600d6 | 2831 | |
4c476991 | 2832 | return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 | 2833 | } |
4c476991 | 2834 | |
2ec600d6 LCC |
2835 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
2836 | { | |
4c476991 JB |
2837 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2838 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2839 | u8 *dst = NULL; |
2840 | u8 *next_hop = NULL; | |
2841 | ||
2842 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2843 | return -EINVAL; | |
2844 | ||
2845 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
2846 | return -EINVAL; | |
2847 | ||
2848 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2849 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
2850 | ||
4c476991 JB |
2851 | if (!rdev->ops->add_mpath) |
2852 | return -EOPNOTSUPP; | |
35a8efe1 | 2853 | |
4c476991 JB |
2854 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2855 | return -EOPNOTSUPP; | |
2ec600d6 | 2856 | |
4c476991 | 2857 | return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 LCC |
2858 | } |
2859 | ||
2860 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
2861 | { | |
4c476991 JB |
2862 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2863 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2864 | u8 *dst = NULL; |
2865 | ||
2866 | if (info->attrs[NL80211_ATTR_MAC]) | |
2867 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2868 | ||
4c476991 JB |
2869 | if (!rdev->ops->del_mpath) |
2870 | return -EOPNOTSUPP; | |
3b85875a | 2871 | |
4c476991 | 2872 | return rdev->ops->del_mpath(&rdev->wiphy, dev, dst); |
2ec600d6 LCC |
2873 | } |
2874 | ||
9f1ba906 JM |
2875 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
2876 | { | |
4c476991 JB |
2877 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2878 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
2879 | struct bss_parameters params; |
2880 | ||
2881 | memset(¶ms, 0, sizeof(params)); | |
2882 | /* default to not changing parameters */ | |
2883 | params.use_cts_prot = -1; | |
2884 | params.use_short_preamble = -1; | |
2885 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 2886 | params.ap_isolate = -1; |
50b12f59 | 2887 | params.ht_opmode = -1; |
9f1ba906 JM |
2888 | |
2889 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
2890 | params.use_cts_prot = | |
2891 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
2892 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
2893 | params.use_short_preamble = | |
2894 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
2895 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
2896 | params.use_short_slot_time = | |
2897 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
2898 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
2899 | params.basic_rates = | |
2900 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
2901 | params.basic_rates_len = | |
2902 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
2903 | } | |
fd8aaaf3 FF |
2904 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
2905 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
2906 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
2907 | params.ht_opmode = | |
2908 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 2909 | |
4c476991 JB |
2910 | if (!rdev->ops->change_bss) |
2911 | return -EOPNOTSUPP; | |
9f1ba906 | 2912 | |
074ac8df | 2913 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2914 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2915 | return -EOPNOTSUPP; | |
3b85875a | 2916 | |
4c476991 | 2917 | return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms); |
9f1ba906 JM |
2918 | } |
2919 | ||
b54452b0 | 2920 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
2921 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
2922 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
2923 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
2924 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
2925 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
2926 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
2927 | }; | |
2928 | ||
2929 | static int parse_reg_rule(struct nlattr *tb[], | |
2930 | struct ieee80211_reg_rule *reg_rule) | |
2931 | { | |
2932 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
2933 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
2934 | ||
2935 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
2936 | return -EINVAL; | |
2937 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
2938 | return -EINVAL; | |
2939 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
2940 | return -EINVAL; | |
2941 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
2942 | return -EINVAL; | |
2943 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
2944 | return -EINVAL; | |
2945 | ||
2946 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
2947 | ||
2948 | freq_range->start_freq_khz = | |
2949 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
2950 | freq_range->end_freq_khz = | |
2951 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
2952 | freq_range->max_bandwidth_khz = | |
2953 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
2954 | ||
2955 | power_rule->max_eirp = | |
2956 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
2957 | ||
2958 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
2959 | power_rule->max_antenna_gain = | |
2960 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
2961 | ||
2962 | return 0; | |
2963 | } | |
2964 | ||
2965 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
2966 | { | |
2967 | int r; | |
2968 | char *data = NULL; | |
2969 | ||
80778f18 LR |
2970 | /* |
2971 | * You should only get this when cfg80211 hasn't yet initialized | |
2972 | * completely when built-in to the kernel right between the time | |
2973 | * window between nl80211_init() and regulatory_init(), if that is | |
2974 | * even possible. | |
2975 | */ | |
2976 | mutex_lock(&cfg80211_mutex); | |
2977 | if (unlikely(!cfg80211_regdomain)) { | |
fe33eb39 LR |
2978 | mutex_unlock(&cfg80211_mutex); |
2979 | return -EINPROGRESS; | |
80778f18 | 2980 | } |
fe33eb39 | 2981 | mutex_unlock(&cfg80211_mutex); |
80778f18 | 2982 | |
fe33eb39 LR |
2983 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
2984 | return -EINVAL; | |
b2e1b302 LR |
2985 | |
2986 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
2987 | ||
fe33eb39 LR |
2988 | r = regulatory_hint_user(data); |
2989 | ||
b2e1b302 LR |
2990 | return r; |
2991 | } | |
2992 | ||
24bdd9f4 | 2993 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 2994 | struct genl_info *info) |
93da9cc1 | 2995 | { |
4c476991 | 2996 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 2997 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
2998 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2999 | struct mesh_config cur_params; | |
3000 | int err = 0; | |
93da9cc1 | 3001 | void *hdr; |
3002 | struct nlattr *pinfoattr; | |
3003 | struct sk_buff *msg; | |
3004 | ||
29cbe68c JB |
3005 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3006 | return -EOPNOTSUPP; | |
3007 | ||
24bdd9f4 | 3008 | if (!rdev->ops->get_mesh_config) |
4c476991 | 3009 | return -EOPNOTSUPP; |
f3f92586 | 3010 | |
29cbe68c JB |
3011 | wdev_lock(wdev); |
3012 | /* If not connected, get default parameters */ | |
3013 | if (!wdev->mesh_id_len) | |
3014 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
3015 | else | |
24bdd9f4 | 3016 | err = rdev->ops->get_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
3017 | &cur_params); |
3018 | wdev_unlock(wdev); | |
3019 | ||
93da9cc1 | 3020 | if (err) |
4c476991 | 3021 | return err; |
93da9cc1 | 3022 | |
3023 | /* Draw up a netlink message to send back */ | |
fd2120ca | 3024 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3025 | if (!msg) |
3026 | return -ENOMEM; | |
93da9cc1 | 3027 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
24bdd9f4 | 3028 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 3029 | if (!hdr) |
efe1cf0c | 3030 | goto out; |
24bdd9f4 | 3031 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 3032 | if (!pinfoattr) |
3033 | goto nla_put_failure; | |
3034 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
3035 | NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
3036 | cur_params.dot11MeshRetryTimeout); | |
3037 | NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
3038 | cur_params.dot11MeshConfirmTimeout); | |
3039 | NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
3040 | cur_params.dot11MeshHoldingTimeout); | |
3041 | NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
3042 | cur_params.dot11MeshMaxPeerLinks); | |
3043 | NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
3044 | cur_params.dot11MeshMaxRetries); | |
3045 | NLA_PUT_U8(msg, NL80211_MESHCONF_TTL, | |
3046 | cur_params.dot11MeshTTL); | |
45904f21 JC |
3047 | NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL, |
3048 | cur_params.element_ttl); | |
93da9cc1 | 3049 | NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
3050 | cur_params.auto_open_plinks); | |
3051 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
3052 | cur_params.dot11MeshHWMPmaxPREQretries); | |
3053 | NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
3054 | cur_params.path_refresh_time); | |
3055 | NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
3056 | cur_params.min_discovery_timeout); | |
3057 | NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
3058 | cur_params.dot11MeshHWMPactivePathTimeout); | |
3059 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
3060 | cur_params.dot11MeshHWMPpreqMinInterval); | |
3061 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
3062 | cur_params.dot11MeshHWMPnetDiameterTraversalTime); | |
63c5723b RP |
3063 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, |
3064 | cur_params.dot11MeshHWMPRootMode); | |
0507e159 JC |
3065 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, |
3066 | cur_params.dot11MeshHWMPRannInterval); | |
16dd7267 JC |
3067 | NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, |
3068 | cur_params.dot11MeshGateAnnouncementProtocol); | |
93da9cc1 | 3069 | nla_nest_end(msg, pinfoattr); |
3070 | genlmsg_end(msg, hdr); | |
4c476991 | 3071 | return genlmsg_reply(msg, info); |
93da9cc1 | 3072 | |
3b85875a | 3073 | nla_put_failure: |
93da9cc1 | 3074 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 3075 | out: |
d080e275 | 3076 | nlmsg_free(msg); |
4c476991 | 3077 | return -ENOBUFS; |
93da9cc1 | 3078 | } |
3079 | ||
b54452b0 | 3080 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 3081 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
3082 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
3083 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
3084 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
3085 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
3086 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 3087 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 3088 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
3089 | ||
3090 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, | |
3091 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
3092 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
3093 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
3094 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
3095 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, | |
699403db | 3096 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 3097 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 3098 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
93da9cc1 | 3099 | }; |
3100 | ||
c80d545d JC |
3101 | static const struct nla_policy |
3102 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
3103 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, | |
3104 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 3105 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
581a8b0f | 3106 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
c80d545d | 3107 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 3108 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
3109 | }; |
3110 | ||
24bdd9f4 | 3111 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
3112 | struct mesh_config *cfg, |
3113 | u32 *mask_out) | |
93da9cc1 | 3114 | { |
93da9cc1 | 3115 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 3116 | u32 mask = 0; |
93da9cc1 | 3117 | |
bd90fdcc JB |
3118 | #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ |
3119 | do {\ | |
3120 | if (table[attr_num]) {\ | |
3121 | cfg->param = nla_fn(table[attr_num]); \ | |
3122 | mask |= (1 << (attr_num - 1)); \ | |
3123 | } \ | |
3124 | } while (0);\ | |
3125 | ||
3126 | ||
24bdd9f4 | 3127 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 3128 | return -EINVAL; |
3129 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 3130 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 3131 | nl80211_meshconf_params_policy)) |
93da9cc1 | 3132 | return -EINVAL; |
3133 | ||
93da9cc1 | 3134 | /* This makes sure that there aren't more than 32 mesh config |
3135 | * parameters (otherwise our bitfield scheme would not work.) */ | |
3136 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
3137 | ||
3138 | /* Fill in the params struct */ | |
93da9cc1 | 3139 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, |
3140 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); | |
3141 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, | |
3142 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16); | |
3143 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, | |
3144 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16); | |
3145 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, | |
3146 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16); | |
3147 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, | |
3148 | mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); | |
3149 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, | |
3150 | mask, NL80211_MESHCONF_TTL, nla_get_u8); | |
45904f21 JC |
3151 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, |
3152 | mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); | |
93da9cc1 | 3153 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, |
3154 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); | |
3155 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, | |
3156 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
3157 | nla_get_u8); | |
3158 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, | |
3159 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32); | |
3160 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, | |
3161 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
3162 | nla_get_u16); | |
3163 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, | |
3164 | mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
3165 | nla_get_u32); | |
3166 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, | |
3167 | mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
3168 | nla_get_u16); | |
3169 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
3170 | dot11MeshHWMPnetDiameterTraversalTime, | |
3171 | mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
3172 | nla_get_u16); | |
63c5723b RP |
3173 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3174 | dot11MeshHWMPRootMode, mask, | |
3175 | NL80211_MESHCONF_HWMP_ROOTMODE, | |
3176 | nla_get_u8); | |
0507e159 JC |
3177 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3178 | dot11MeshHWMPRannInterval, mask, | |
3179 | NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
3180 | nla_get_u16); | |
16dd7267 JC |
3181 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3182 | dot11MeshGateAnnouncementProtocol, mask, | |
3183 | NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
3184 | nla_get_u8); | |
bd90fdcc JB |
3185 | if (mask_out) |
3186 | *mask_out = mask; | |
c80d545d | 3187 | |
bd90fdcc JB |
3188 | return 0; |
3189 | ||
3190 | #undef FILL_IN_MESH_PARAM_IF_SET | |
3191 | } | |
3192 | ||
c80d545d JC |
3193 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
3194 | struct mesh_setup *setup) | |
3195 | { | |
3196 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; | |
3197 | ||
3198 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
3199 | return -EINVAL; | |
3200 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
3201 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
3202 | nl80211_mesh_setup_params_policy)) | |
3203 | return -EINVAL; | |
3204 | ||
3205 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) | |
3206 | setup->path_sel_proto = | |
3207 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
3208 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
3209 | IEEE80211_PATH_PROTOCOL_HWMP; | |
3210 | ||
3211 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
3212 | setup->path_metric = | |
3213 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
3214 | IEEE80211_PATH_METRIC_VENDOR : | |
3215 | IEEE80211_PATH_METRIC_AIRTIME; | |
3216 | ||
581a8b0f JC |
3217 | |
3218 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 3219 | struct nlattr *ieattr = |
581a8b0f | 3220 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
3221 | if (!is_valid_ie_attr(ieattr)) |
3222 | return -EINVAL; | |
581a8b0f JC |
3223 | setup->ie = nla_data(ieattr); |
3224 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 3225 | } |
b130e5ce JC |
3226 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
3227 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
c80d545d JC |
3228 | |
3229 | return 0; | |
3230 | } | |
3231 | ||
24bdd9f4 | 3232 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 3233 | struct genl_info *info) |
bd90fdcc JB |
3234 | { |
3235 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3236 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 3237 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
3238 | struct mesh_config cfg; |
3239 | u32 mask; | |
3240 | int err; | |
3241 | ||
29cbe68c JB |
3242 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3243 | return -EOPNOTSUPP; | |
3244 | ||
24bdd9f4 | 3245 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
3246 | return -EOPNOTSUPP; |
3247 | ||
24bdd9f4 | 3248 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
3249 | if (err) |
3250 | return err; | |
3251 | ||
29cbe68c JB |
3252 | wdev_lock(wdev); |
3253 | if (!wdev->mesh_id_len) | |
3254 | err = -ENOLINK; | |
3255 | ||
3256 | if (!err) | |
24bdd9f4 | 3257 | err = rdev->ops->update_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
3258 | mask, &cfg); |
3259 | ||
3260 | wdev_unlock(wdev); | |
3261 | ||
3262 | return err; | |
93da9cc1 | 3263 | } |
3264 | ||
f130347c LR |
3265 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
3266 | { | |
3267 | struct sk_buff *msg; | |
3268 | void *hdr = NULL; | |
3269 | struct nlattr *nl_reg_rules; | |
3270 | unsigned int i; | |
3271 | int err = -EINVAL; | |
3272 | ||
a1794390 | 3273 | mutex_lock(&cfg80211_mutex); |
f130347c LR |
3274 | |
3275 | if (!cfg80211_regdomain) | |
3276 | goto out; | |
3277 | ||
fd2120ca | 3278 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
f130347c LR |
3279 | if (!msg) { |
3280 | err = -ENOBUFS; | |
3281 | goto out; | |
3282 | } | |
3283 | ||
3284 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
3285 | NL80211_CMD_GET_REG); | |
3286 | if (!hdr) | |
efe1cf0c | 3287 | goto put_failure; |
f130347c LR |
3288 | |
3289 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, | |
3290 | cfg80211_regdomain->alpha2); | |
3291 | ||
3292 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); | |
3293 | if (!nl_reg_rules) | |
3294 | goto nla_put_failure; | |
3295 | ||
3296 | for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) { | |
3297 | struct nlattr *nl_reg_rule; | |
3298 | const struct ieee80211_reg_rule *reg_rule; | |
3299 | const struct ieee80211_freq_range *freq_range; | |
3300 | const struct ieee80211_power_rule *power_rule; | |
3301 | ||
3302 | reg_rule = &cfg80211_regdomain->reg_rules[i]; | |
3303 | freq_range = ®_rule->freq_range; | |
3304 | power_rule = ®_rule->power_rule; | |
3305 | ||
3306 | nl_reg_rule = nla_nest_start(msg, i); | |
3307 | if (!nl_reg_rule) | |
3308 | goto nla_put_failure; | |
3309 | ||
3310 | NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS, | |
3311 | reg_rule->flags); | |
3312 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
3313 | freq_range->start_freq_khz); | |
3314 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
3315 | freq_range->end_freq_khz); | |
3316 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
3317 | freq_range->max_bandwidth_khz); | |
3318 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
3319 | power_rule->max_antenna_gain); | |
3320 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
3321 | power_rule->max_eirp); | |
3322 | ||
3323 | nla_nest_end(msg, nl_reg_rule); | |
3324 | } | |
3325 | ||
3326 | nla_nest_end(msg, nl_reg_rules); | |
3327 | ||
3328 | genlmsg_end(msg, hdr); | |
134e6375 | 3329 | err = genlmsg_reply(msg, info); |
f130347c LR |
3330 | goto out; |
3331 | ||
3332 | nla_put_failure: | |
3333 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 3334 | put_failure: |
d080e275 | 3335 | nlmsg_free(msg); |
f130347c LR |
3336 | err = -EMSGSIZE; |
3337 | out: | |
a1794390 | 3338 | mutex_unlock(&cfg80211_mutex); |
f130347c LR |
3339 | return err; |
3340 | } | |
3341 | ||
b2e1b302 LR |
3342 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
3343 | { | |
3344 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
3345 | struct nlattr *nl_reg_rule; | |
3346 | char *alpha2 = NULL; | |
3347 | int rem_reg_rules = 0, r = 0; | |
3348 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
3349 | struct ieee80211_regdomain *rd = NULL; | |
3350 | ||
3351 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
3352 | return -EINVAL; | |
3353 | ||
3354 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
3355 | return -EINVAL; | |
3356 | ||
3357 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
3358 | ||
3359 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], | |
3360 | rem_reg_rules) { | |
3361 | num_rules++; | |
3362 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 3363 | return -EINVAL; |
b2e1b302 LR |
3364 | } |
3365 | ||
61405e97 LR |
3366 | mutex_lock(&cfg80211_mutex); |
3367 | ||
d0e18f83 LR |
3368 | if (!reg_is_valid_request(alpha2)) { |
3369 | r = -EINVAL; | |
3370 | goto bad_reg; | |
3371 | } | |
b2e1b302 LR |
3372 | |
3373 | size_of_regd = sizeof(struct ieee80211_regdomain) + | |
3374 | (num_rules * sizeof(struct ieee80211_reg_rule)); | |
3375 | ||
3376 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
d0e18f83 LR |
3377 | if (!rd) { |
3378 | r = -ENOMEM; | |
3379 | goto bad_reg; | |
3380 | } | |
b2e1b302 LR |
3381 | |
3382 | rd->n_reg_rules = num_rules; | |
3383 | rd->alpha2[0] = alpha2[0]; | |
3384 | rd->alpha2[1] = alpha2[1]; | |
3385 | ||
3386 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], | |
3387 | rem_reg_rules) { | |
3388 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, | |
3389 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
3390 | reg_rule_policy); | |
3391 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); | |
3392 | if (r) | |
3393 | goto bad_reg; | |
3394 | ||
3395 | rule_idx++; | |
3396 | ||
d0e18f83 LR |
3397 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
3398 | r = -EINVAL; | |
b2e1b302 | 3399 | goto bad_reg; |
d0e18f83 | 3400 | } |
b2e1b302 LR |
3401 | } |
3402 | ||
3403 | BUG_ON(rule_idx != num_rules); | |
3404 | ||
b2e1b302 | 3405 | r = set_regdom(rd); |
61405e97 | 3406 | |
a1794390 | 3407 | mutex_unlock(&cfg80211_mutex); |
d0e18f83 | 3408 | |
b2e1b302 LR |
3409 | return r; |
3410 | ||
d2372b31 | 3411 | bad_reg: |
61405e97 | 3412 | mutex_unlock(&cfg80211_mutex); |
b2e1b302 | 3413 | kfree(rd); |
d0e18f83 | 3414 | return r; |
b2e1b302 LR |
3415 | } |
3416 | ||
83f5e2cf JB |
3417 | static int validate_scan_freqs(struct nlattr *freqs) |
3418 | { | |
3419 | struct nlattr *attr1, *attr2; | |
3420 | int n_channels = 0, tmp1, tmp2; | |
3421 | ||
3422 | nla_for_each_nested(attr1, freqs, tmp1) { | |
3423 | n_channels++; | |
3424 | /* | |
3425 | * Some hardware has a limited channel list for | |
3426 | * scanning, and it is pretty much nonsensical | |
3427 | * to scan for a channel twice, so disallow that | |
3428 | * and don't require drivers to check that the | |
3429 | * channel list they get isn't longer than what | |
3430 | * they can scan, as long as they can scan all | |
3431 | * the channels they registered at once. | |
3432 | */ | |
3433 | nla_for_each_nested(attr2, freqs, tmp2) | |
3434 | if (attr1 != attr2 && | |
3435 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
3436 | return 0; | |
3437 | } | |
3438 | ||
3439 | return n_channels; | |
3440 | } | |
3441 | ||
2a519311 JB |
3442 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
3443 | { | |
4c476991 JB |
3444 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3445 | struct net_device *dev = info->user_ptr[1]; | |
2a519311 | 3446 | struct cfg80211_scan_request *request; |
2a519311 JB |
3447 | struct nlattr *attr; |
3448 | struct wiphy *wiphy; | |
83f5e2cf | 3449 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 3450 | size_t ie_len; |
2a519311 | 3451 | |
f4a11bb0 JB |
3452 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3453 | return -EINVAL; | |
3454 | ||
79c97e97 | 3455 | wiphy = &rdev->wiphy; |
2a519311 | 3456 | |
4c476991 JB |
3457 | if (!rdev->ops->scan) |
3458 | return -EOPNOTSUPP; | |
2a519311 | 3459 | |
4c476991 JB |
3460 | if (rdev->scan_req) |
3461 | return -EBUSY; | |
2a519311 JB |
3462 | |
3463 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
3464 | n_channels = validate_scan_freqs( |
3465 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
4c476991 JB |
3466 | if (!n_channels) |
3467 | return -EINVAL; | |
2a519311 | 3468 | } else { |
34850ab2 | 3469 | enum ieee80211_band band; |
83f5e2cf JB |
3470 | n_channels = 0; |
3471 | ||
2a519311 JB |
3472 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
3473 | if (wiphy->bands[band]) | |
3474 | n_channels += wiphy->bands[band]->n_channels; | |
3475 | } | |
3476 | ||
3477 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
3478 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
3479 | n_ssids++; | |
3480 | ||
4c476991 JB |
3481 | if (n_ssids > wiphy->max_scan_ssids) |
3482 | return -EINVAL; | |
2a519311 | 3483 | |
70692ad2 JM |
3484 | if (info->attrs[NL80211_ATTR_IE]) |
3485 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3486 | else | |
3487 | ie_len = 0; | |
3488 | ||
4c476991 JB |
3489 | if (ie_len > wiphy->max_scan_ie_len) |
3490 | return -EINVAL; | |
18a83659 | 3491 | |
2a519311 | 3492 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
3493 | + sizeof(*request->ssids) * n_ssids |
3494 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 3495 | + ie_len, GFP_KERNEL); |
4c476991 JB |
3496 | if (!request) |
3497 | return -ENOMEM; | |
2a519311 | 3498 | |
2a519311 | 3499 | if (n_ssids) |
5ba63533 | 3500 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 3501 | request->n_ssids = n_ssids; |
70692ad2 JM |
3502 | if (ie_len) { |
3503 | if (request->ssids) | |
3504 | request->ie = (void *)(request->ssids + n_ssids); | |
3505 | else | |
3506 | request->ie = (void *)(request->channels + n_channels); | |
3507 | } | |
2a519311 | 3508 | |
584991dc | 3509 | i = 0; |
2a519311 JB |
3510 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
3511 | /* user specified, bail out if channel not found */ | |
2a519311 | 3512 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
3513 | struct ieee80211_channel *chan; |
3514 | ||
3515 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
3516 | ||
3517 | if (!chan) { | |
2a519311 JB |
3518 | err = -EINVAL; |
3519 | goto out_free; | |
3520 | } | |
584991dc JB |
3521 | |
3522 | /* ignore disabled channels */ | |
3523 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3524 | continue; | |
3525 | ||
3526 | request->channels[i] = chan; | |
2a519311 JB |
3527 | i++; |
3528 | } | |
3529 | } else { | |
34850ab2 JB |
3530 | enum ieee80211_band band; |
3531 | ||
2a519311 | 3532 | /* all channels */ |
2a519311 JB |
3533 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
3534 | int j; | |
3535 | if (!wiphy->bands[band]) | |
3536 | continue; | |
3537 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
3538 | struct ieee80211_channel *chan; |
3539 | ||
3540 | chan = &wiphy->bands[band]->channels[j]; | |
3541 | ||
3542 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3543 | continue; | |
3544 | ||
3545 | request->channels[i] = chan; | |
2a519311 JB |
3546 | i++; |
3547 | } | |
3548 | } | |
3549 | } | |
3550 | ||
584991dc JB |
3551 | if (!i) { |
3552 | err = -EINVAL; | |
3553 | goto out_free; | |
3554 | } | |
3555 | ||
3556 | request->n_channels = i; | |
3557 | ||
2a519311 JB |
3558 | i = 0; |
3559 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
3560 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 3561 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
3562 | err = -EINVAL; |
3563 | goto out_free; | |
3564 | } | |
57a27e1d | 3565 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 3566 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
3567 | i++; |
3568 | } | |
3569 | } | |
3570 | ||
70692ad2 JM |
3571 | if (info->attrs[NL80211_ATTR_IE]) { |
3572 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
3573 | memcpy((void *)request->ie, |
3574 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
3575 | request->ie_len); |
3576 | } | |
3577 | ||
34850ab2 | 3578 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
3579 | if (wiphy->bands[i]) |
3580 | request->rates[i] = | |
3581 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
3582 | |
3583 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
3584 | nla_for_each_nested(attr, | |
3585 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
3586 | tmp) { | |
3587 | enum ieee80211_band band = nla_type(attr); | |
3588 | ||
84404623 | 3589 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
3590 | err = -EINVAL; |
3591 | goto out_free; | |
3592 | } | |
3593 | err = ieee80211_get_ratemask(wiphy->bands[band], | |
3594 | nla_data(attr), | |
3595 | nla_len(attr), | |
3596 | &request->rates[band]); | |
3597 | if (err) | |
3598 | goto out_free; | |
3599 | } | |
3600 | } | |
3601 | ||
463d0183 | 3602 | request->dev = dev; |
79c97e97 | 3603 | request->wiphy = &rdev->wiphy; |
2a519311 | 3604 | |
79c97e97 JB |
3605 | rdev->scan_req = request; |
3606 | err = rdev->ops->scan(&rdev->wiphy, dev, request); | |
2a519311 | 3607 | |
463d0183 | 3608 | if (!err) { |
79c97e97 | 3609 | nl80211_send_scan_start(rdev, dev); |
463d0183 | 3610 | dev_hold(dev); |
4c476991 | 3611 | } else { |
2a519311 | 3612 | out_free: |
79c97e97 | 3613 | rdev->scan_req = NULL; |
2a519311 JB |
3614 | kfree(request); |
3615 | } | |
3b85875a | 3616 | |
2a519311 JB |
3617 | return err; |
3618 | } | |
3619 | ||
807f8a8c LC |
3620 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
3621 | struct genl_info *info) | |
3622 | { | |
3623 | struct cfg80211_sched_scan_request *request; | |
3624 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3625 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
3626 | struct nlattr *attr; |
3627 | struct wiphy *wiphy; | |
3628 | int err, tmp, n_ssids = 0, n_channels, i; | |
bbe6ad6d | 3629 | u32 interval; |
807f8a8c LC |
3630 | enum ieee80211_band band; |
3631 | size_t ie_len; | |
3632 | ||
3633 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
3634 | !rdev->ops->sched_scan_start) | |
3635 | return -EOPNOTSUPP; | |
3636 | ||
3637 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
3638 | return -EINVAL; | |
3639 | ||
bbe6ad6d LC |
3640 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
3641 | return -EINVAL; | |
3642 | ||
3643 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
3644 | if (interval == 0) | |
3645 | return -EINVAL; | |
3646 | ||
807f8a8c LC |
3647 | wiphy = &rdev->wiphy; |
3648 | ||
3649 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
3650 | n_channels = validate_scan_freqs( | |
3651 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
3652 | if (!n_channels) | |
3653 | return -EINVAL; | |
3654 | } else { | |
3655 | n_channels = 0; | |
3656 | ||
3657 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
3658 | if (wiphy->bands[band]) | |
3659 | n_channels += wiphy->bands[band]->n_channels; | |
3660 | } | |
3661 | ||
3662 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
3663 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
3664 | tmp) | |
3665 | n_ssids++; | |
3666 | ||
93b6aa69 | 3667 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
3668 | return -EINVAL; |
3669 | ||
3670 | if (info->attrs[NL80211_ATTR_IE]) | |
3671 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3672 | else | |
3673 | ie_len = 0; | |
3674 | ||
5a865bad | 3675 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
3676 | return -EINVAL; |
3677 | ||
c10841ca LC |
3678 | mutex_lock(&rdev->sched_scan_mtx); |
3679 | ||
3680 | if (rdev->sched_scan_req) { | |
3681 | err = -EINPROGRESS; | |
3682 | goto out; | |
3683 | } | |
3684 | ||
807f8a8c | 3685 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
3686 | + sizeof(*request->ssids) * n_ssids |
3687 | + sizeof(*request->channels) * n_channels | |
807f8a8c | 3688 | + ie_len, GFP_KERNEL); |
c10841ca LC |
3689 | if (!request) { |
3690 | err = -ENOMEM; | |
3691 | goto out; | |
3692 | } | |
807f8a8c LC |
3693 | |
3694 | if (n_ssids) | |
3695 | request->ssids = (void *)&request->channels[n_channels]; | |
3696 | request->n_ssids = n_ssids; | |
3697 | if (ie_len) { | |
3698 | if (request->ssids) | |
3699 | request->ie = (void *)(request->ssids + n_ssids); | |
3700 | else | |
3701 | request->ie = (void *)(request->channels + n_channels); | |
3702 | } | |
3703 | ||
3704 | i = 0; | |
3705 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
3706 | /* user specified, bail out if channel not found */ | |
3707 | nla_for_each_nested(attr, | |
3708 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
3709 | tmp) { | |
3710 | struct ieee80211_channel *chan; | |
3711 | ||
3712 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
3713 | ||
3714 | if (!chan) { | |
3715 | err = -EINVAL; | |
3716 | goto out_free; | |
3717 | } | |
3718 | ||
3719 | /* ignore disabled channels */ | |
3720 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3721 | continue; | |
3722 | ||
3723 | request->channels[i] = chan; | |
3724 | i++; | |
3725 | } | |
3726 | } else { | |
3727 | /* all channels */ | |
3728 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
3729 | int j; | |
3730 | if (!wiphy->bands[band]) | |
3731 | continue; | |
3732 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
3733 | struct ieee80211_channel *chan; | |
3734 | ||
3735 | chan = &wiphy->bands[band]->channels[j]; | |
3736 | ||
3737 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3738 | continue; | |
3739 | ||
3740 | request->channels[i] = chan; | |
3741 | i++; | |
3742 | } | |
3743 | } | |
3744 | } | |
3745 | ||
3746 | if (!i) { | |
3747 | err = -EINVAL; | |
3748 | goto out_free; | |
3749 | } | |
3750 | ||
3751 | request->n_channels = i; | |
3752 | ||
3753 | i = 0; | |
3754 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
3755 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
3756 | tmp) { | |
57a27e1d | 3757 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
3758 | err = -EINVAL; |
3759 | goto out_free; | |
3760 | } | |
57a27e1d | 3761 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
3762 | memcpy(request->ssids[i].ssid, nla_data(attr), |
3763 | nla_len(attr)); | |
807f8a8c LC |
3764 | i++; |
3765 | } | |
3766 | } | |
3767 | ||
3768 | if (info->attrs[NL80211_ATTR_IE]) { | |
3769 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3770 | memcpy((void *)request->ie, | |
3771 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
3772 | request->ie_len); | |
3773 | } | |
3774 | ||
3775 | request->dev = dev; | |
3776 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 3777 | request->interval = interval; |
807f8a8c LC |
3778 | |
3779 | err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request); | |
3780 | if (!err) { | |
3781 | rdev->sched_scan_req = request; | |
3782 | nl80211_send_sched_scan(rdev, dev, | |
3783 | NL80211_CMD_START_SCHED_SCAN); | |
3784 | goto out; | |
3785 | } | |
3786 | ||
3787 | out_free: | |
3788 | kfree(request); | |
3789 | out: | |
c10841ca | 3790 | mutex_unlock(&rdev->sched_scan_mtx); |
807f8a8c LC |
3791 | return err; |
3792 | } | |
3793 | ||
3794 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
3795 | struct genl_info *info) | |
3796 | { | |
3797 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
c10841ca | 3798 | int err; |
807f8a8c LC |
3799 | |
3800 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
3801 | !rdev->ops->sched_scan_stop) | |
3802 | return -EOPNOTSUPP; | |
3803 | ||
c10841ca LC |
3804 | mutex_lock(&rdev->sched_scan_mtx); |
3805 | err = __cfg80211_stop_sched_scan(rdev, false); | |
3806 | mutex_unlock(&rdev->sched_scan_mtx); | |
3807 | ||
3808 | return err; | |
807f8a8c LC |
3809 | } |
3810 | ||
9720bb3a JB |
3811 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
3812 | u32 seq, int flags, | |
2a519311 | 3813 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
3814 | struct wireless_dev *wdev, |
3815 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 3816 | { |
48ab905d | 3817 | struct cfg80211_bss *res = &intbss->pub; |
2a519311 JB |
3818 | void *hdr; |
3819 | struct nlattr *bss; | |
48ab905d JB |
3820 | int i; |
3821 | ||
3822 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 3823 | |
9720bb3a | 3824 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags, |
2a519311 JB |
3825 | NL80211_CMD_NEW_SCAN_RESULTS); |
3826 | if (!hdr) | |
3827 | return -1; | |
3828 | ||
9720bb3a JB |
3829 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
3830 | ||
f5ea9120 | 3831 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation); |
48ab905d | 3832 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex); |
2a519311 JB |
3833 | |
3834 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
3835 | if (!bss) | |
3836 | goto nla_put_failure; | |
3837 | if (!is_zero_ether_addr(res->bssid)) | |
3838 | NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid); | |
3839 | if (res->information_elements && res->len_information_elements) | |
3840 | NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
3841 | res->len_information_elements, | |
3842 | res->information_elements); | |
34a6eddb JM |
3843 | if (res->beacon_ies && res->len_beacon_ies && |
3844 | res->beacon_ies != res->information_elements) | |
3845 | NLA_PUT(msg, NL80211_BSS_BEACON_IES, | |
3846 | res->len_beacon_ies, res->beacon_ies); | |
2a519311 JB |
3847 | if (res->tsf) |
3848 | NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf); | |
3849 | if (res->beacon_interval) | |
3850 | NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval); | |
3851 | NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability); | |
3852 | NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq); | |
7c89606e HS |
3853 | NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO, |
3854 | jiffies_to_msecs(jiffies - intbss->ts)); | |
2a519311 | 3855 | |
77965c97 | 3856 | switch (rdev->wiphy.signal_type) { |
2a519311 JB |
3857 | case CFG80211_SIGNAL_TYPE_MBM: |
3858 | NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal); | |
3859 | break; | |
3860 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
3861 | NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal); | |
3862 | break; | |
3863 | default: | |
3864 | break; | |
3865 | } | |
3866 | ||
48ab905d | 3867 | switch (wdev->iftype) { |
074ac8df | 3868 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d JB |
3869 | case NL80211_IFTYPE_STATION: |
3870 | if (intbss == wdev->current_bss) | |
3871 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
3872 | NL80211_BSS_STATUS_ASSOCIATED); | |
3873 | else for (i = 0; i < MAX_AUTH_BSSES; i++) { | |
3874 | if (intbss != wdev->auth_bsses[i]) | |
3875 | continue; | |
3876 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
3877 | NL80211_BSS_STATUS_AUTHENTICATED); | |
3878 | break; | |
3879 | } | |
3880 | break; | |
3881 | case NL80211_IFTYPE_ADHOC: | |
3882 | if (intbss == wdev->current_bss) | |
3883 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
3884 | NL80211_BSS_STATUS_IBSS_JOINED); | |
3885 | break; | |
3886 | default: | |
3887 | break; | |
3888 | } | |
3889 | ||
2a519311 JB |
3890 | nla_nest_end(msg, bss); |
3891 | ||
3892 | return genlmsg_end(msg, hdr); | |
3893 | ||
3894 | nla_put_failure: | |
3895 | genlmsg_cancel(msg, hdr); | |
3896 | return -EMSGSIZE; | |
3897 | } | |
3898 | ||
3899 | static int nl80211_dump_scan(struct sk_buff *skb, | |
3900 | struct netlink_callback *cb) | |
3901 | { | |
48ab905d JB |
3902 | struct cfg80211_registered_device *rdev; |
3903 | struct net_device *dev; | |
2a519311 | 3904 | struct cfg80211_internal_bss *scan; |
48ab905d | 3905 | struct wireless_dev *wdev; |
2a519311 JB |
3906 | int start = cb->args[1], idx = 0; |
3907 | int err; | |
3908 | ||
67748893 JB |
3909 | err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev); |
3910 | if (err) | |
3911 | return err; | |
2a519311 | 3912 | |
48ab905d | 3913 | wdev = dev->ieee80211_ptr; |
2a519311 | 3914 | |
48ab905d JB |
3915 | wdev_lock(wdev); |
3916 | spin_lock_bh(&rdev->bss_lock); | |
3917 | cfg80211_bss_expire(rdev); | |
3918 | ||
9720bb3a JB |
3919 | cb->seq = rdev->bss_generation; |
3920 | ||
48ab905d | 3921 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
3922 | if (++idx <= start) |
3923 | continue; | |
9720bb3a | 3924 | if (nl80211_send_bss(skb, cb, |
2a519311 | 3925 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 3926 | rdev, wdev, scan) < 0) { |
2a519311 | 3927 | idx--; |
67748893 | 3928 | break; |
2a519311 JB |
3929 | } |
3930 | } | |
3931 | ||
48ab905d JB |
3932 | spin_unlock_bh(&rdev->bss_lock); |
3933 | wdev_unlock(wdev); | |
2a519311 JB |
3934 | |
3935 | cb->args[1] = idx; | |
67748893 | 3936 | nl80211_finish_netdev_dump(rdev); |
2a519311 | 3937 | |
67748893 | 3938 | return skb->len; |
2a519311 JB |
3939 | } |
3940 | ||
61fa713c HS |
3941 | static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, |
3942 | int flags, struct net_device *dev, | |
3943 | struct survey_info *survey) | |
3944 | { | |
3945 | void *hdr; | |
3946 | struct nlattr *infoattr; | |
3947 | ||
61fa713c HS |
3948 | hdr = nl80211hdr_put(msg, pid, seq, flags, |
3949 | NL80211_CMD_NEW_SURVEY_RESULTS); | |
3950 | if (!hdr) | |
3951 | return -ENOMEM; | |
3952 | ||
3953 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
3954 | ||
3955 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
3956 | if (!infoattr) | |
3957 | goto nla_put_failure; | |
3958 | ||
3959 | NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
3960 | survey->channel->center_freq); | |
3961 | if (survey->filled & SURVEY_INFO_NOISE_DBM) | |
3962 | NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE, | |
3963 | survey->noise); | |
17e5a808 FF |
3964 | if (survey->filled & SURVEY_INFO_IN_USE) |
3965 | NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE); | |
8610c29a FF |
3966 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME) |
3967 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
3968 | survey->channel_time); | |
3969 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
3970 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
3971 | survey->channel_time_busy); | |
3972 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
3973 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
3974 | survey->channel_time_ext_busy); | |
3975 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
3976 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
3977 | survey->channel_time_rx); | |
3978 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
3979 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
3980 | survey->channel_time_tx); | |
61fa713c HS |
3981 | |
3982 | nla_nest_end(msg, infoattr); | |
3983 | ||
3984 | return genlmsg_end(msg, hdr); | |
3985 | ||
3986 | nla_put_failure: | |
3987 | genlmsg_cancel(msg, hdr); | |
3988 | return -EMSGSIZE; | |
3989 | } | |
3990 | ||
3991 | static int nl80211_dump_survey(struct sk_buff *skb, | |
3992 | struct netlink_callback *cb) | |
3993 | { | |
3994 | struct survey_info survey; | |
3995 | struct cfg80211_registered_device *dev; | |
3996 | struct net_device *netdev; | |
61fa713c HS |
3997 | int survey_idx = cb->args[1]; |
3998 | int res; | |
3999 | ||
67748893 JB |
4000 | res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
4001 | if (res) | |
4002 | return res; | |
61fa713c HS |
4003 | |
4004 | if (!dev->ops->dump_survey) { | |
4005 | res = -EOPNOTSUPP; | |
4006 | goto out_err; | |
4007 | } | |
4008 | ||
4009 | while (1) { | |
180cdc79 LR |
4010 | struct ieee80211_channel *chan; |
4011 | ||
61fa713c HS |
4012 | res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx, |
4013 | &survey); | |
4014 | if (res == -ENOENT) | |
4015 | break; | |
4016 | if (res) | |
4017 | goto out_err; | |
4018 | ||
180cdc79 LR |
4019 | /* Survey without a channel doesn't make sense */ |
4020 | if (!survey.channel) { | |
4021 | res = -EINVAL; | |
4022 | goto out; | |
4023 | } | |
4024 | ||
4025 | chan = ieee80211_get_channel(&dev->wiphy, | |
4026 | survey.channel->center_freq); | |
4027 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
4028 | survey_idx++; | |
4029 | continue; | |
4030 | } | |
4031 | ||
61fa713c HS |
4032 | if (nl80211_send_survey(skb, |
4033 | NETLINK_CB(cb->skb).pid, | |
4034 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4035 | netdev, | |
4036 | &survey) < 0) | |
4037 | goto out; | |
4038 | survey_idx++; | |
4039 | } | |
4040 | ||
4041 | out: | |
4042 | cb->args[1] = survey_idx; | |
4043 | res = skb->len; | |
4044 | out_err: | |
67748893 | 4045 | nl80211_finish_netdev_dump(dev); |
61fa713c HS |
4046 | return res; |
4047 | } | |
4048 | ||
255e737e JM |
4049 | static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type) |
4050 | { | |
b23aa676 SO |
4051 | return auth_type <= NL80211_AUTHTYPE_MAX; |
4052 | } | |
4053 | ||
4054 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) | |
4055 | { | |
4056 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
4057 | NL80211_WPA_VERSION_2)); | |
4058 | } | |
4059 | ||
4060 | static bool nl80211_valid_akm_suite(u32 akm) | |
4061 | { | |
4062 | return akm == WLAN_AKM_SUITE_8021X || | |
4063 | akm == WLAN_AKM_SUITE_PSK; | |
4064 | } | |
4065 | ||
4066 | static bool nl80211_valid_cipher_suite(u32 cipher) | |
4067 | { | |
4068 | return cipher == WLAN_CIPHER_SUITE_WEP40 || | |
4069 | cipher == WLAN_CIPHER_SUITE_WEP104 || | |
4070 | cipher == WLAN_CIPHER_SUITE_TKIP || | |
4071 | cipher == WLAN_CIPHER_SUITE_CCMP || | |
4072 | cipher == WLAN_CIPHER_SUITE_AES_CMAC; | |
255e737e JM |
4073 | } |
4074 | ||
b23aa676 | 4075 | |
636a5d36 JM |
4076 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
4077 | { | |
4c476991 JB |
4078 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4079 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 JB |
4080 | struct ieee80211_channel *chan; |
4081 | const u8 *bssid, *ssid, *ie = NULL; | |
4082 | int err, ssid_len, ie_len = 0; | |
4083 | enum nl80211_auth_type auth_type; | |
fffd0934 | 4084 | struct key_parse key; |
d5cdfacb | 4085 | bool local_state_change; |
636a5d36 | 4086 | |
f4a11bb0 JB |
4087 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4088 | return -EINVAL; | |
4089 | ||
4090 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4091 | return -EINVAL; | |
4092 | ||
1778092e JM |
4093 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
4094 | return -EINVAL; | |
4095 | ||
19957bb3 JB |
4096 | if (!info->attrs[NL80211_ATTR_SSID]) |
4097 | return -EINVAL; | |
4098 | ||
4099 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
4100 | return -EINVAL; | |
4101 | ||
fffd0934 JB |
4102 | err = nl80211_parse_key(info, &key); |
4103 | if (err) | |
4104 | return err; | |
4105 | ||
4106 | if (key.idx >= 0) { | |
e31b8213 JB |
4107 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
4108 | return -EINVAL; | |
fffd0934 JB |
4109 | if (!key.p.key || !key.p.key_len) |
4110 | return -EINVAL; | |
4111 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
4112 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
4113 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
4114 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
4115 | return -EINVAL; | |
4116 | if (key.idx > 4) | |
4117 | return -EINVAL; | |
4118 | } else { | |
4119 | key.p.key_len = 0; | |
4120 | key.p.key = NULL; | |
4121 | } | |
4122 | ||
afea0b7a JB |
4123 | if (key.idx >= 0) { |
4124 | int i; | |
4125 | bool ok = false; | |
4126 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
4127 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
4128 | ok = true; | |
4129 | break; | |
4130 | } | |
4131 | } | |
4c476991 JB |
4132 | if (!ok) |
4133 | return -EINVAL; | |
afea0b7a JB |
4134 | } |
4135 | ||
4c476991 JB |
4136 | if (!rdev->ops->auth) |
4137 | return -EOPNOTSUPP; | |
636a5d36 | 4138 | |
074ac8df | 4139 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4140 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4141 | return -EOPNOTSUPP; | |
eec60b03 | 4142 | |
19957bb3 | 4143 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 4144 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 4145 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
4146 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
4147 | return -EINVAL; | |
636a5d36 | 4148 | |
19957bb3 JB |
4149 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4150 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
4151 | |
4152 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4153 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4154 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4155 | } |
4156 | ||
19957bb3 | 4157 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
4c476991 JB |
4158 | if (!nl80211_valid_auth_type(auth_type)) |
4159 | return -EINVAL; | |
636a5d36 | 4160 | |
d5cdfacb JM |
4161 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4162 | ||
4c476991 JB |
4163 | return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
4164 | ssid, ssid_len, ie, ie_len, | |
4165 | key.p.key, key.p.key_len, key.idx, | |
4166 | local_state_change); | |
636a5d36 JM |
4167 | } |
4168 | ||
c0692b8f JB |
4169 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
4170 | struct genl_info *info, | |
3dc27d25 JB |
4171 | struct cfg80211_crypto_settings *settings, |
4172 | int cipher_limit) | |
b23aa676 | 4173 | { |
c0b2bbd8 JB |
4174 | memset(settings, 0, sizeof(*settings)); |
4175 | ||
b23aa676 SO |
4176 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
4177 | ||
c0692b8f JB |
4178 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
4179 | u16 proto; | |
4180 | proto = nla_get_u16( | |
4181 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
4182 | settings->control_port_ethertype = cpu_to_be16(proto); | |
4183 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
4184 | proto != ETH_P_PAE) | |
4185 | return -EINVAL; | |
4186 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
4187 | settings->control_port_no_encrypt = true; | |
4188 | } else | |
4189 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
4190 | ||
b23aa676 SO |
4191 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
4192 | void *data; | |
4193 | int len, i; | |
4194 | ||
4195 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
4196 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
4197 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
4198 | ||
4199 | if (len % sizeof(u32)) | |
4200 | return -EINVAL; | |
4201 | ||
3dc27d25 | 4202 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
4203 | return -EINVAL; |
4204 | ||
4205 | memcpy(settings->ciphers_pairwise, data, len); | |
4206 | ||
4207 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
4208 | if (!nl80211_valid_cipher_suite( | |
4209 | settings->ciphers_pairwise[i])) | |
4210 | return -EINVAL; | |
4211 | } | |
4212 | ||
4213 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
4214 | settings->cipher_group = | |
4215 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
4216 | if (!nl80211_valid_cipher_suite(settings->cipher_group)) | |
4217 | return -EINVAL; | |
4218 | } | |
4219 | ||
4220 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
4221 | settings->wpa_versions = | |
4222 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
4223 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
4224 | return -EINVAL; | |
4225 | } | |
4226 | ||
4227 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
4228 | void *data; | |
4229 | int len, i; | |
4230 | ||
4231 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
4232 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
4233 | settings->n_akm_suites = len / sizeof(u32); | |
4234 | ||
4235 | if (len % sizeof(u32)) | |
4236 | return -EINVAL; | |
4237 | ||
4238 | memcpy(settings->akm_suites, data, len); | |
4239 | ||
4240 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
4241 | if (!nl80211_valid_akm_suite(settings->akm_suites[i])) | |
4242 | return -EINVAL; | |
4243 | } | |
4244 | ||
4245 | return 0; | |
4246 | } | |
4247 | ||
636a5d36 JM |
4248 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
4249 | { | |
4c476991 JB |
4250 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4251 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4252 | struct cfg80211_crypto_settings crypto; |
f444de05 | 4253 | struct ieee80211_channel *chan; |
3e5d7649 | 4254 | const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; |
19957bb3 JB |
4255 | int err, ssid_len, ie_len = 0; |
4256 | bool use_mfp = false; | |
636a5d36 | 4257 | |
f4a11bb0 JB |
4258 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4259 | return -EINVAL; | |
4260 | ||
4261 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
4262 | !info->attrs[NL80211_ATTR_SSID] || |
4263 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
4264 | return -EINVAL; |
4265 | ||
4c476991 JB |
4266 | if (!rdev->ops->assoc) |
4267 | return -EOPNOTSUPP; | |
636a5d36 | 4268 | |
074ac8df | 4269 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4270 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4271 | return -EOPNOTSUPP; | |
eec60b03 | 4272 | |
19957bb3 | 4273 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4274 | |
19957bb3 JB |
4275 | chan = ieee80211_get_channel(&rdev->wiphy, |
4276 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
4277 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
4278 | return -EINVAL; | |
636a5d36 | 4279 | |
19957bb3 JB |
4280 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4281 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
4282 | |
4283 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4284 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4285 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4286 | } |
4287 | ||
dc6382ce | 4288 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 4289 | enum nl80211_mfp mfp = |
dc6382ce | 4290 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 4291 | if (mfp == NL80211_MFP_REQUIRED) |
19957bb3 | 4292 | use_mfp = true; |
4c476991 JB |
4293 | else if (mfp != NL80211_MFP_NO) |
4294 | return -EINVAL; | |
dc6382ce JM |
4295 | } |
4296 | ||
3e5d7649 JB |
4297 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
4298 | prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
4299 | ||
c0692b8f | 4300 | err = nl80211_crypto_settings(rdev, info, &crypto, 1); |
b23aa676 | 4301 | if (!err) |
3e5d7649 JB |
4302 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, |
4303 | ssid, ssid_len, ie, ie_len, use_mfp, | |
19957bb3 | 4304 | &crypto); |
636a5d36 | 4305 | |
636a5d36 JM |
4306 | return err; |
4307 | } | |
4308 | ||
4309 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
4310 | { | |
4c476991 JB |
4311 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4312 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4313 | const u8 *ie = NULL, *bssid; |
4c476991 | 4314 | int ie_len = 0; |
19957bb3 | 4315 | u16 reason_code; |
d5cdfacb | 4316 | bool local_state_change; |
636a5d36 | 4317 | |
f4a11bb0 JB |
4318 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4319 | return -EINVAL; | |
4320 | ||
4321 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4322 | return -EINVAL; | |
4323 | ||
4324 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4325 | return -EINVAL; | |
4326 | ||
4c476991 JB |
4327 | if (!rdev->ops->deauth) |
4328 | return -EOPNOTSUPP; | |
636a5d36 | 4329 | |
074ac8df | 4330 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4331 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4332 | return -EOPNOTSUPP; | |
eec60b03 | 4333 | |
19957bb3 | 4334 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4335 | |
19957bb3 JB |
4336 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
4337 | if (reason_code == 0) { | |
f4a11bb0 | 4338 | /* Reason Code 0 is reserved */ |
4c476991 | 4339 | return -EINVAL; |
255e737e | 4340 | } |
636a5d36 JM |
4341 | |
4342 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4343 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4344 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4345 | } |
4346 | ||
d5cdfacb JM |
4347 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4348 | ||
4c476991 JB |
4349 | return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, |
4350 | local_state_change); | |
636a5d36 JM |
4351 | } |
4352 | ||
4353 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
4354 | { | |
4c476991 JB |
4355 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4356 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4357 | const u8 *ie = NULL, *bssid; |
4c476991 | 4358 | int ie_len = 0; |
19957bb3 | 4359 | u16 reason_code; |
d5cdfacb | 4360 | bool local_state_change; |
636a5d36 | 4361 | |
f4a11bb0 JB |
4362 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4363 | return -EINVAL; | |
4364 | ||
4365 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4366 | return -EINVAL; | |
4367 | ||
4368 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4369 | return -EINVAL; | |
4370 | ||
4c476991 JB |
4371 | if (!rdev->ops->disassoc) |
4372 | return -EOPNOTSUPP; | |
636a5d36 | 4373 | |
074ac8df | 4374 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4375 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4376 | return -EOPNOTSUPP; | |
eec60b03 | 4377 | |
19957bb3 | 4378 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4379 | |
19957bb3 JB |
4380 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
4381 | if (reason_code == 0) { | |
f4a11bb0 | 4382 | /* Reason Code 0 is reserved */ |
4c476991 | 4383 | return -EINVAL; |
255e737e | 4384 | } |
636a5d36 JM |
4385 | |
4386 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4387 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4388 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4389 | } |
4390 | ||
d5cdfacb JM |
4391 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4392 | ||
4c476991 JB |
4393 | return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, |
4394 | local_state_change); | |
636a5d36 JM |
4395 | } |
4396 | ||
dd5b4cc7 FF |
4397 | static bool |
4398 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
4399 | int mcast_rate[IEEE80211_NUM_BANDS], | |
4400 | int rateval) | |
4401 | { | |
4402 | struct wiphy *wiphy = &rdev->wiphy; | |
4403 | bool found = false; | |
4404 | int band, i; | |
4405 | ||
4406 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
4407 | struct ieee80211_supported_band *sband; | |
4408 | ||
4409 | sband = wiphy->bands[band]; | |
4410 | if (!sband) | |
4411 | continue; | |
4412 | ||
4413 | for (i = 0; i < sband->n_bitrates; i++) { | |
4414 | if (sband->bitrates[i].bitrate == rateval) { | |
4415 | mcast_rate[band] = i + 1; | |
4416 | found = true; | |
4417 | break; | |
4418 | } | |
4419 | } | |
4420 | } | |
4421 | ||
4422 | return found; | |
4423 | } | |
4424 | ||
04a773ad JB |
4425 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
4426 | { | |
4c476991 JB |
4427 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4428 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
4429 | struct cfg80211_ibss_params ibss; |
4430 | struct wiphy *wiphy; | |
fffd0934 | 4431 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
4432 | int err; |
4433 | ||
8e30bc55 JB |
4434 | memset(&ibss, 0, sizeof(ibss)); |
4435 | ||
04a773ad JB |
4436 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4437 | return -EINVAL; | |
4438 | ||
4439 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
4440 | !info->attrs[NL80211_ATTR_SSID] || | |
4441 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
4442 | return -EINVAL; | |
4443 | ||
8e30bc55 JB |
4444 | ibss.beacon_interval = 100; |
4445 | ||
4446 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
4447 | ibss.beacon_interval = | |
4448 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
4449 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
4450 | return -EINVAL; | |
4451 | } | |
4452 | ||
4c476991 JB |
4453 | if (!rdev->ops->join_ibss) |
4454 | return -EOPNOTSUPP; | |
04a773ad | 4455 | |
4c476991 JB |
4456 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
4457 | return -EOPNOTSUPP; | |
04a773ad | 4458 | |
79c97e97 | 4459 | wiphy = &rdev->wiphy; |
04a773ad JB |
4460 | |
4461 | if (info->attrs[NL80211_ATTR_MAC]) | |
4462 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4463 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
4464 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
4465 | ||
4466 | if (info->attrs[NL80211_ATTR_IE]) { | |
4467 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
4468 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4469 | } | |
4470 | ||
4471 | ibss.channel = ieee80211_get_channel(wiphy, | |
4472 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4473 | if (!ibss.channel || | |
4474 | ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || | |
4c476991 JB |
4475 | ibss.channel->flags & IEEE80211_CHAN_DISABLED) |
4476 | return -EINVAL; | |
04a773ad JB |
4477 | |
4478 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; | |
fffd0934 JB |
4479 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
4480 | ||
fbd2c8dc TP |
4481 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4482 | u8 *rates = | |
4483 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4484 | int n_rates = | |
4485 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4486 | struct ieee80211_supported_band *sband = | |
4487 | wiphy->bands[ibss.channel->band]; | |
34850ab2 | 4488 | int err; |
fbd2c8dc | 4489 | |
34850ab2 JB |
4490 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
4491 | &ibss.basic_rates); | |
4492 | if (err) | |
4493 | return err; | |
fbd2c8dc | 4494 | } |
dd5b4cc7 FF |
4495 | |
4496 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && | |
4497 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
4498 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
4499 | return -EINVAL; | |
fbd2c8dc | 4500 | |
4c476991 JB |
4501 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
4502 | connkeys = nl80211_parse_connkeys(rdev, | |
4503 | info->attrs[NL80211_ATTR_KEYS]); | |
4504 | if (IS_ERR(connkeys)) | |
4505 | return PTR_ERR(connkeys); | |
4506 | } | |
04a773ad | 4507 | |
4c476991 | 4508 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
4509 | if (err) |
4510 | kfree(connkeys); | |
04a773ad JB |
4511 | return err; |
4512 | } | |
4513 | ||
4514 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
4515 | { | |
4c476991 JB |
4516 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4517 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 4518 | |
4c476991 JB |
4519 | if (!rdev->ops->leave_ibss) |
4520 | return -EOPNOTSUPP; | |
04a773ad | 4521 | |
4c476991 JB |
4522 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
4523 | return -EOPNOTSUPP; | |
04a773ad | 4524 | |
4c476991 | 4525 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
4526 | } |
4527 | ||
aff89a9b JB |
4528 | #ifdef CONFIG_NL80211_TESTMODE |
4529 | static struct genl_multicast_group nl80211_testmode_mcgrp = { | |
4530 | .name = "testmode", | |
4531 | }; | |
4532 | ||
4533 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) | |
4534 | { | |
4c476991 | 4535 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
aff89a9b JB |
4536 | int err; |
4537 | ||
4538 | if (!info->attrs[NL80211_ATTR_TESTDATA]) | |
4539 | return -EINVAL; | |
4540 | ||
aff89a9b JB |
4541 | err = -EOPNOTSUPP; |
4542 | if (rdev->ops->testmode_cmd) { | |
4543 | rdev->testmode_info = info; | |
4544 | err = rdev->ops->testmode_cmd(&rdev->wiphy, | |
4545 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), | |
4546 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
4547 | rdev->testmode_info = NULL; | |
4548 | } | |
4549 | ||
aff89a9b JB |
4550 | return err; |
4551 | } | |
4552 | ||
71063f0e WYG |
4553 | static int nl80211_testmode_dump(struct sk_buff *skb, |
4554 | struct netlink_callback *cb) | |
4555 | { | |
4556 | struct cfg80211_registered_device *dev; | |
4557 | int err; | |
4558 | long phy_idx; | |
4559 | void *data = NULL; | |
4560 | int data_len = 0; | |
4561 | ||
4562 | if (cb->args[0]) { | |
4563 | /* | |
4564 | * 0 is a valid index, but not valid for args[0], | |
4565 | * so we need to offset by 1. | |
4566 | */ | |
4567 | phy_idx = cb->args[0] - 1; | |
4568 | } else { | |
4569 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
4570 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
4571 | nl80211_policy); | |
4572 | if (err) | |
4573 | return err; | |
4574 | if (!nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) | |
4575 | return -EINVAL; | |
4576 | phy_idx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]); | |
4577 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) | |
4578 | cb->args[1] = | |
4579 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
4580 | } | |
4581 | ||
4582 | if (cb->args[1]) { | |
4583 | data = nla_data((void *)cb->args[1]); | |
4584 | data_len = nla_len((void *)cb->args[1]); | |
4585 | } | |
4586 | ||
4587 | mutex_lock(&cfg80211_mutex); | |
4588 | dev = cfg80211_rdev_by_wiphy_idx(phy_idx); | |
4589 | if (!dev) { | |
4590 | mutex_unlock(&cfg80211_mutex); | |
4591 | return -ENOENT; | |
4592 | } | |
4593 | cfg80211_lock_rdev(dev); | |
4594 | mutex_unlock(&cfg80211_mutex); | |
4595 | ||
4596 | if (!dev->ops->testmode_dump) { | |
4597 | err = -EOPNOTSUPP; | |
4598 | goto out_err; | |
4599 | } | |
4600 | ||
4601 | while (1) { | |
4602 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid, | |
4603 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4604 | NL80211_CMD_TESTMODE); | |
4605 | struct nlattr *tmdata; | |
4606 | ||
4607 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, dev->wiphy_idx) < 0) { | |
4608 | genlmsg_cancel(skb, hdr); | |
4609 | break; | |
4610 | } | |
4611 | ||
4612 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
4613 | if (!tmdata) { | |
4614 | genlmsg_cancel(skb, hdr); | |
4615 | break; | |
4616 | } | |
4617 | err = dev->ops->testmode_dump(&dev->wiphy, skb, cb, | |
4618 | data, data_len); | |
4619 | nla_nest_end(skb, tmdata); | |
4620 | ||
4621 | if (err == -ENOBUFS || err == -ENOENT) { | |
4622 | genlmsg_cancel(skb, hdr); | |
4623 | break; | |
4624 | } else if (err) { | |
4625 | genlmsg_cancel(skb, hdr); | |
4626 | goto out_err; | |
4627 | } | |
4628 | ||
4629 | genlmsg_end(skb, hdr); | |
4630 | } | |
4631 | ||
4632 | err = skb->len; | |
4633 | /* see above */ | |
4634 | cb->args[0] = phy_idx + 1; | |
4635 | out_err: | |
4636 | cfg80211_unlock_rdev(dev); | |
4637 | return err; | |
4638 | } | |
4639 | ||
aff89a9b JB |
4640 | static struct sk_buff * |
4641 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
4642 | int approxlen, u32 pid, u32 seq, gfp_t gfp) | |
4643 | { | |
4644 | struct sk_buff *skb; | |
4645 | void *hdr; | |
4646 | struct nlattr *data; | |
4647 | ||
4648 | skb = nlmsg_new(approxlen + 100, gfp); | |
4649 | if (!skb) | |
4650 | return NULL; | |
4651 | ||
4652 | hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE); | |
4653 | if (!hdr) { | |
4654 | kfree_skb(skb); | |
4655 | return NULL; | |
4656 | } | |
4657 | ||
4658 | NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
4659 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
4660 | ||
4661 | ((void **)skb->cb)[0] = rdev; | |
4662 | ((void **)skb->cb)[1] = hdr; | |
4663 | ((void **)skb->cb)[2] = data; | |
4664 | ||
4665 | return skb; | |
4666 | ||
4667 | nla_put_failure: | |
4668 | kfree_skb(skb); | |
4669 | return NULL; | |
4670 | } | |
4671 | ||
4672 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
4673 | int approxlen) | |
4674 | { | |
4675 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
4676 | ||
4677 | if (WARN_ON(!rdev->testmode_info)) | |
4678 | return NULL; | |
4679 | ||
4680 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
4681 | rdev->testmode_info->snd_pid, | |
4682 | rdev->testmode_info->snd_seq, | |
4683 | GFP_KERNEL); | |
4684 | } | |
4685 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
4686 | ||
4687 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
4688 | { | |
4689 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
4690 | void *hdr = ((void **)skb->cb)[1]; | |
4691 | struct nlattr *data = ((void **)skb->cb)[2]; | |
4692 | ||
4693 | if (WARN_ON(!rdev->testmode_info)) { | |
4694 | kfree_skb(skb); | |
4695 | return -EINVAL; | |
4696 | } | |
4697 | ||
4698 | nla_nest_end(skb, data); | |
4699 | genlmsg_end(skb, hdr); | |
4700 | return genlmsg_reply(skb, rdev->testmode_info); | |
4701 | } | |
4702 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
4703 | ||
4704 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
4705 | int approxlen, gfp_t gfp) | |
4706 | { | |
4707 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
4708 | ||
4709 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
4710 | } | |
4711 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
4712 | ||
4713 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
4714 | { | |
4715 | void *hdr = ((void **)skb->cb)[1]; | |
4716 | struct nlattr *data = ((void **)skb->cb)[2]; | |
4717 | ||
4718 | nla_nest_end(skb, data); | |
4719 | genlmsg_end(skb, hdr); | |
4720 | genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp); | |
4721 | } | |
4722 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
4723 | #endif | |
4724 | ||
b23aa676 SO |
4725 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
4726 | { | |
4c476991 JB |
4727 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4728 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
4729 | struct cfg80211_connect_params connect; |
4730 | struct wiphy *wiphy; | |
fffd0934 | 4731 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
4732 | int err; |
4733 | ||
4734 | memset(&connect, 0, sizeof(connect)); | |
4735 | ||
4736 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
4737 | return -EINVAL; | |
4738 | ||
4739 | if (!info->attrs[NL80211_ATTR_SSID] || | |
4740 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
4741 | return -EINVAL; | |
4742 | ||
4743 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
4744 | connect.auth_type = | |
4745 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
4746 | if (!nl80211_valid_auth_type(connect.auth_type)) | |
4747 | return -EINVAL; | |
4748 | } else | |
4749 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
4750 | ||
4751 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
4752 | ||
c0692b8f | 4753 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 4754 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
4755 | if (err) |
4756 | return err; | |
b23aa676 | 4757 | |
074ac8df | 4758 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4759 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4760 | return -EOPNOTSUPP; | |
b23aa676 | 4761 | |
79c97e97 | 4762 | wiphy = &rdev->wiphy; |
b23aa676 | 4763 | |
b23aa676 SO |
4764 | if (info->attrs[NL80211_ATTR_MAC]) |
4765 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4766 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
4767 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
4768 | ||
4769 | if (info->attrs[NL80211_ATTR_IE]) { | |
4770 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
4771 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4772 | } | |
4773 | ||
4774 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
4775 | connect.channel = | |
4776 | ieee80211_get_channel(wiphy, | |
4777 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4778 | if (!connect.channel || | |
4c476991 JB |
4779 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
4780 | return -EINVAL; | |
b23aa676 SO |
4781 | } |
4782 | ||
fffd0934 JB |
4783 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
4784 | connkeys = nl80211_parse_connkeys(rdev, | |
4785 | info->attrs[NL80211_ATTR_KEYS]); | |
4c476991 JB |
4786 | if (IS_ERR(connkeys)) |
4787 | return PTR_ERR(connkeys); | |
fffd0934 JB |
4788 | } |
4789 | ||
4790 | err = cfg80211_connect(rdev, dev, &connect, connkeys); | |
fffd0934 JB |
4791 | if (err) |
4792 | kfree(connkeys); | |
b23aa676 SO |
4793 | return err; |
4794 | } | |
4795 | ||
4796 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
4797 | { | |
4c476991 JB |
4798 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4799 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
4800 | u16 reason; |
4801 | ||
4802 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4803 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
4804 | else | |
4805 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
4806 | ||
4807 | if (reason == 0) | |
4808 | return -EINVAL; | |
4809 | ||
074ac8df | 4810 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4811 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4812 | return -EOPNOTSUPP; | |
b23aa676 | 4813 | |
4c476991 | 4814 | return cfg80211_disconnect(rdev, dev, reason, true); |
b23aa676 SO |
4815 | } |
4816 | ||
463d0183 JB |
4817 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
4818 | { | |
4c476991 | 4819 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
4820 | struct net *net; |
4821 | int err; | |
4822 | u32 pid; | |
4823 | ||
4824 | if (!info->attrs[NL80211_ATTR_PID]) | |
4825 | return -EINVAL; | |
4826 | ||
4827 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
4828 | ||
463d0183 | 4829 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
4830 | if (IS_ERR(net)) |
4831 | return PTR_ERR(net); | |
463d0183 JB |
4832 | |
4833 | err = 0; | |
4834 | ||
4835 | /* check if anything to do */ | |
4c476991 JB |
4836 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
4837 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 4838 | |
463d0183 | 4839 | put_net(net); |
463d0183 JB |
4840 | return err; |
4841 | } | |
4842 | ||
67fbb16b SO |
4843 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
4844 | { | |
4c476991 | 4845 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
4846 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
4847 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 4848 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
4849 | struct cfg80211_pmksa pmksa; |
4850 | ||
4851 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
4852 | ||
4853 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4854 | return -EINVAL; | |
4855 | ||
4856 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
4857 | return -EINVAL; | |
4858 | ||
67fbb16b SO |
4859 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
4860 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4861 | ||
074ac8df | 4862 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4863 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4864 | return -EOPNOTSUPP; | |
67fbb16b SO |
4865 | |
4866 | switch (info->genlhdr->cmd) { | |
4867 | case NL80211_CMD_SET_PMKSA: | |
4868 | rdev_ops = rdev->ops->set_pmksa; | |
4869 | break; | |
4870 | case NL80211_CMD_DEL_PMKSA: | |
4871 | rdev_ops = rdev->ops->del_pmksa; | |
4872 | break; | |
4873 | default: | |
4874 | WARN_ON(1); | |
4875 | break; | |
4876 | } | |
4877 | ||
4c476991 JB |
4878 | if (!rdev_ops) |
4879 | return -EOPNOTSUPP; | |
67fbb16b | 4880 | |
4c476991 | 4881 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
4882 | } |
4883 | ||
4884 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
4885 | { | |
4c476991 JB |
4886 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4887 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 4888 | |
074ac8df | 4889 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4890 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4891 | return -EOPNOTSUPP; | |
67fbb16b | 4892 | |
4c476991 JB |
4893 | if (!rdev->ops->flush_pmksa) |
4894 | return -EOPNOTSUPP; | |
67fbb16b | 4895 | |
4c476991 | 4896 | return rdev->ops->flush_pmksa(&rdev->wiphy, dev); |
67fbb16b SO |
4897 | } |
4898 | ||
9588bbd5 JM |
4899 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
4900 | struct genl_info *info) | |
4901 | { | |
4c476991 JB |
4902 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4903 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 JM |
4904 | struct ieee80211_channel *chan; |
4905 | struct sk_buff *msg; | |
4906 | void *hdr; | |
4907 | u64 cookie; | |
4908 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
4909 | u32 freq, duration; | |
4910 | int err; | |
4911 | ||
4912 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
4913 | !info->attrs[NL80211_ATTR_DURATION]) | |
4914 | return -EINVAL; | |
4915 | ||
4916 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
4917 | ||
4918 | /* | |
4919 | * We should be on that channel for at least one jiffie, | |
4920 | * and more than 5 seconds seems excessive. | |
4921 | */ | |
a293911d JB |
4922 | if (!duration || !msecs_to_jiffies(duration) || |
4923 | duration > rdev->wiphy.max_remain_on_channel_duration) | |
9588bbd5 JM |
4924 | return -EINVAL; |
4925 | ||
4c476991 JB |
4926 | if (!rdev->ops->remain_on_channel) |
4927 | return -EOPNOTSUPP; | |
9588bbd5 | 4928 | |
9588bbd5 JM |
4929 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
4930 | channel_type = nla_get_u32( | |
4931 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
4932 | if (channel_type != NL80211_CHAN_NO_HT && | |
4933 | channel_type != NL80211_CHAN_HT20 && | |
4934 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
4935 | channel_type != NL80211_CHAN_HT40MINUS) |
4936 | return -EINVAL; | |
9588bbd5 JM |
4937 | } |
4938 | ||
4939 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
4940 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
4941 | if (chan == NULL) |
4942 | return -EINVAL; | |
9588bbd5 JM |
4943 | |
4944 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
4945 | if (!msg) |
4946 | return -ENOMEM; | |
9588bbd5 JM |
4947 | |
4948 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
4949 | NL80211_CMD_REMAIN_ON_CHANNEL); | |
4950 | ||
4951 | if (IS_ERR(hdr)) { | |
4952 | err = PTR_ERR(hdr); | |
4953 | goto free_msg; | |
4954 | } | |
4955 | ||
4956 | err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan, | |
4957 | channel_type, duration, &cookie); | |
4958 | ||
4959 | if (err) | |
4960 | goto free_msg; | |
4961 | ||
4962 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
4963 | ||
4964 | genlmsg_end(msg, hdr); | |
4c476991 JB |
4965 | |
4966 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
4967 | |
4968 | nla_put_failure: | |
4969 | err = -ENOBUFS; | |
4970 | free_msg: | |
4971 | nlmsg_free(msg); | |
9588bbd5 JM |
4972 | return err; |
4973 | } | |
4974 | ||
4975 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
4976 | struct genl_info *info) | |
4977 | { | |
4c476991 JB |
4978 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4979 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 | 4980 | u64 cookie; |
9588bbd5 JM |
4981 | |
4982 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
4983 | return -EINVAL; | |
4984 | ||
4c476991 JB |
4985 | if (!rdev->ops->cancel_remain_on_channel) |
4986 | return -EOPNOTSUPP; | |
9588bbd5 | 4987 | |
9588bbd5 JM |
4988 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
4989 | ||
4c476991 | 4990 | return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); |
9588bbd5 JM |
4991 | } |
4992 | ||
13ae75b1 JM |
4993 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
4994 | u8 *rates, u8 rates_len) | |
4995 | { | |
4996 | u8 i; | |
4997 | u32 mask = 0; | |
4998 | ||
4999 | for (i = 0; i < rates_len; i++) { | |
5000 | int rate = (rates[i] & 0x7f) * 5; | |
5001 | int ridx; | |
5002 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
5003 | struct ieee80211_rate *srate = | |
5004 | &sband->bitrates[ridx]; | |
5005 | if (rate == srate->bitrate) { | |
5006 | mask |= 1 << ridx; | |
5007 | break; | |
5008 | } | |
5009 | } | |
5010 | if (ridx == sband->n_bitrates) | |
5011 | return 0; /* rate not found */ | |
5012 | } | |
5013 | ||
5014 | return mask; | |
5015 | } | |
5016 | ||
b54452b0 | 5017 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
5018 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
5019 | .len = NL80211_MAX_SUPP_RATES }, | |
5020 | }; | |
5021 | ||
5022 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
5023 | struct genl_info *info) | |
5024 | { | |
5025 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 5026 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 5027 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
5028 | int rem, i; |
5029 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
5030 | struct nlattr *tx_rates; |
5031 | struct ieee80211_supported_band *sband; | |
5032 | ||
5033 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
5034 | return -EINVAL; | |
5035 | ||
4c476991 JB |
5036 | if (!rdev->ops->set_bitrate_mask) |
5037 | return -EOPNOTSUPP; | |
13ae75b1 JM |
5038 | |
5039 | memset(&mask, 0, sizeof(mask)); | |
5040 | /* Default to all rates enabled */ | |
5041 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
5042 | sband = rdev->wiphy.bands[i]; | |
5043 | mask.control[i].legacy = | |
5044 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
5045 | } | |
5046 | ||
5047 | /* | |
5048 | * The nested attribute uses enum nl80211_band as the index. This maps | |
5049 | * directly to the enum ieee80211_band values used in cfg80211. | |
5050 | */ | |
5051 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) | |
5052 | { | |
5053 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
5054 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
5055 | return -EINVAL; | |
13ae75b1 | 5056 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
5057 | if (sband == NULL) |
5058 | return -EINVAL; | |
13ae75b1 JM |
5059 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
5060 | nla_len(tx_rates), nl80211_txattr_policy); | |
5061 | if (tb[NL80211_TXRATE_LEGACY]) { | |
5062 | mask.control[band].legacy = rateset_to_mask( | |
5063 | sband, | |
5064 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
5065 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
4c476991 JB |
5066 | if (mask.control[band].legacy == 0) |
5067 | return -EINVAL; | |
13ae75b1 JM |
5068 | } |
5069 | } | |
5070 | ||
4c476991 | 5071 | return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask); |
13ae75b1 JM |
5072 | } |
5073 | ||
2e161f78 | 5074 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 5075 | { |
4c476991 JB |
5076 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5077 | struct net_device *dev = info->user_ptr[1]; | |
2e161f78 | 5078 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
5079 | |
5080 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
5081 | return -EINVAL; | |
5082 | ||
2e161f78 JB |
5083 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
5084 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 5085 | |
9d38d85d | 5086 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 5087 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
5088 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
5089 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5090 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 5091 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5092 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5093 | return -EOPNOTSUPP; | |
026331c4 JM |
5094 | |
5095 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
5096 | if (!rdev->ops->mgmt_tx) |
5097 | return -EOPNOTSUPP; | |
026331c4 | 5098 | |
4c476991 | 5099 | return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid, |
2e161f78 | 5100 | frame_type, |
026331c4 JM |
5101 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
5102 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
5103 | } |
5104 | ||
2e161f78 | 5105 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 5106 | { |
4c476991 JB |
5107 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5108 | struct net_device *dev = info->user_ptr[1]; | |
026331c4 JM |
5109 | struct ieee80211_channel *chan; |
5110 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
252aa631 | 5111 | bool channel_type_valid = false; |
026331c4 JM |
5112 | u32 freq; |
5113 | int err; | |
5114 | void *hdr; | |
5115 | u64 cookie; | |
5116 | struct sk_buff *msg; | |
f7ca38df JB |
5117 | unsigned int wait = 0; |
5118 | bool offchan; | |
026331c4 JM |
5119 | |
5120 | if (!info->attrs[NL80211_ATTR_FRAME] || | |
5121 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
5122 | return -EINVAL; | |
5123 | ||
4c476991 JB |
5124 | if (!rdev->ops->mgmt_tx) |
5125 | return -EOPNOTSUPP; | |
026331c4 | 5126 | |
9d38d85d | 5127 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 5128 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
5129 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
5130 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5131 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 5132 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5133 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5134 | return -EOPNOTSUPP; | |
026331c4 | 5135 | |
f7ca38df JB |
5136 | if (info->attrs[NL80211_ATTR_DURATION]) { |
5137 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
5138 | return -EINVAL; | |
5139 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
5140 | } | |
5141 | ||
026331c4 JM |
5142 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
5143 | channel_type = nla_get_u32( | |
5144 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
5145 | if (channel_type != NL80211_CHAN_NO_HT && | |
5146 | channel_type != NL80211_CHAN_HT20 && | |
5147 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
5148 | channel_type != NL80211_CHAN_HT40MINUS) |
5149 | return -EINVAL; | |
252aa631 | 5150 | channel_type_valid = true; |
026331c4 JM |
5151 | } |
5152 | ||
f7ca38df JB |
5153 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
5154 | ||
026331c4 JM |
5155 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); |
5156 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
5157 | if (chan == NULL) |
5158 | return -EINVAL; | |
026331c4 JM |
5159 | |
5160 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
5161 | if (!msg) |
5162 | return -ENOMEM; | |
026331c4 JM |
5163 | |
5164 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
2e161f78 | 5165 | NL80211_CMD_FRAME); |
026331c4 JM |
5166 | |
5167 | if (IS_ERR(hdr)) { | |
5168 | err = PTR_ERR(hdr); | |
5169 | goto free_msg; | |
5170 | } | |
f7ca38df JB |
5171 | err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type, |
5172 | channel_type_valid, wait, | |
2e161f78 JB |
5173 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
5174 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
5175 | &cookie); | |
026331c4 JM |
5176 | if (err) |
5177 | goto free_msg; | |
5178 | ||
5179 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
5180 | ||
5181 | genlmsg_end(msg, hdr); | |
4c476991 | 5182 | return genlmsg_reply(msg, info); |
026331c4 JM |
5183 | |
5184 | nla_put_failure: | |
5185 | err = -ENOBUFS; | |
5186 | free_msg: | |
5187 | nlmsg_free(msg); | |
026331c4 JM |
5188 | return err; |
5189 | } | |
5190 | ||
f7ca38df JB |
5191 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
5192 | { | |
5193 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5194 | struct net_device *dev = info->user_ptr[1]; | |
5195 | u64 cookie; | |
5196 | ||
5197 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
5198 | return -EINVAL; | |
5199 | ||
5200 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
5201 | return -EOPNOTSUPP; | |
5202 | ||
5203 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && | |
5204 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
5205 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && | |
5206 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5207 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
5208 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5209 | return -EOPNOTSUPP; | |
5210 | ||
5211 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
5212 | ||
5213 | return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie); | |
5214 | } | |
5215 | ||
ffb9eb3d KV |
5216 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
5217 | { | |
4c476991 | 5218 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 5219 | struct wireless_dev *wdev; |
4c476991 | 5220 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
5221 | u8 ps_state; |
5222 | bool state; | |
5223 | int err; | |
5224 | ||
4c476991 JB |
5225 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
5226 | return -EINVAL; | |
ffb9eb3d KV |
5227 | |
5228 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
5229 | ||
4c476991 JB |
5230 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
5231 | return -EINVAL; | |
ffb9eb3d KV |
5232 | |
5233 | wdev = dev->ieee80211_ptr; | |
5234 | ||
4c476991 JB |
5235 | if (!rdev->ops->set_power_mgmt) |
5236 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
5237 | |
5238 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
5239 | ||
5240 | if (state == wdev->ps) | |
4c476991 | 5241 | return 0; |
ffb9eb3d | 5242 | |
4c476991 JB |
5243 | err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state, |
5244 | wdev->ps_timeout); | |
5245 | if (!err) | |
5246 | wdev->ps = state; | |
ffb9eb3d KV |
5247 | return err; |
5248 | } | |
5249 | ||
5250 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
5251 | { | |
4c476991 | 5252 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
5253 | enum nl80211_ps_state ps_state; |
5254 | struct wireless_dev *wdev; | |
4c476991 | 5255 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
5256 | struct sk_buff *msg; |
5257 | void *hdr; | |
5258 | int err; | |
5259 | ||
ffb9eb3d KV |
5260 | wdev = dev->ieee80211_ptr; |
5261 | ||
4c476991 JB |
5262 | if (!rdev->ops->set_power_mgmt) |
5263 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
5264 | |
5265 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
5266 | if (!msg) |
5267 | return -ENOMEM; | |
ffb9eb3d KV |
5268 | |
5269 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5270 | NL80211_CMD_GET_POWER_SAVE); | |
5271 | if (!hdr) { | |
4c476991 | 5272 | err = -ENOBUFS; |
ffb9eb3d KV |
5273 | goto free_msg; |
5274 | } | |
5275 | ||
5276 | if (wdev->ps) | |
5277 | ps_state = NL80211_PS_ENABLED; | |
5278 | else | |
5279 | ps_state = NL80211_PS_DISABLED; | |
5280 | ||
5281 | NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state); | |
5282 | ||
5283 | genlmsg_end(msg, hdr); | |
4c476991 | 5284 | return genlmsg_reply(msg, info); |
ffb9eb3d | 5285 | |
4c476991 | 5286 | nla_put_failure: |
ffb9eb3d | 5287 | err = -ENOBUFS; |
4c476991 | 5288 | free_msg: |
ffb9eb3d | 5289 | nlmsg_free(msg); |
ffb9eb3d KV |
5290 | return err; |
5291 | } | |
5292 | ||
d6dc1a38 JO |
5293 | static struct nla_policy |
5294 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
5295 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
5296 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
5297 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
5298 | }; | |
5299 | ||
5300 | static int nl80211_set_cqm_rssi(struct genl_info *info, | |
5301 | s32 threshold, u32 hysteresis) | |
5302 | { | |
4c476991 | 5303 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
d6dc1a38 | 5304 | struct wireless_dev *wdev; |
4c476991 | 5305 | struct net_device *dev = info->user_ptr[1]; |
d6dc1a38 JO |
5306 | |
5307 | if (threshold > 0) | |
5308 | return -EINVAL; | |
5309 | ||
d6dc1a38 JO |
5310 | wdev = dev->ieee80211_ptr; |
5311 | ||
4c476991 JB |
5312 | if (!rdev->ops->set_cqm_rssi_config) |
5313 | return -EOPNOTSUPP; | |
d6dc1a38 | 5314 | |
074ac8df | 5315 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5316 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5317 | return -EOPNOTSUPP; | |
d6dc1a38 | 5318 | |
4c476991 JB |
5319 | return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev, |
5320 | threshold, hysteresis); | |
d6dc1a38 JO |
5321 | } |
5322 | ||
5323 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
5324 | { | |
5325 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
5326 | struct nlattr *cqm; | |
5327 | int err; | |
5328 | ||
5329 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
5330 | if (!cqm) { | |
5331 | err = -EINVAL; | |
5332 | goto out; | |
5333 | } | |
5334 | ||
5335 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
5336 | nl80211_attr_cqm_policy); | |
5337 | if (err) | |
5338 | goto out; | |
5339 | ||
5340 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
5341 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
5342 | s32 threshold; | |
5343 | u32 hysteresis; | |
5344 | threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
5345 | hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
5346 | err = nl80211_set_cqm_rssi(info, threshold, hysteresis); | |
5347 | } else | |
5348 | err = -EINVAL; | |
5349 | ||
5350 | out: | |
5351 | return err; | |
5352 | } | |
5353 | ||
29cbe68c JB |
5354 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
5355 | { | |
5356 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5357 | struct net_device *dev = info->user_ptr[1]; | |
5358 | struct mesh_config cfg; | |
c80d545d | 5359 | struct mesh_setup setup; |
29cbe68c JB |
5360 | int err; |
5361 | ||
5362 | /* start with default */ | |
5363 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 5364 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 5365 | |
24bdd9f4 | 5366 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 5367 | /* and parse parameters if given */ |
24bdd9f4 | 5368 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
5369 | if (err) |
5370 | return err; | |
5371 | } | |
5372 | ||
5373 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
5374 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
5375 | return -EINVAL; | |
5376 | ||
c80d545d JC |
5377 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
5378 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
5379 | ||
5380 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { | |
5381 | /* parse additional setup parameters if given */ | |
5382 | err = nl80211_parse_mesh_setup(info, &setup); | |
5383 | if (err) | |
5384 | return err; | |
5385 | } | |
5386 | ||
5387 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); | |
29cbe68c JB |
5388 | } |
5389 | ||
5390 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
5391 | { | |
5392 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5393 | struct net_device *dev = info->user_ptr[1]; | |
5394 | ||
5395 | return cfg80211_leave_mesh(rdev, dev); | |
5396 | } | |
5397 | ||
ff1b6e69 JB |
5398 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
5399 | { | |
5400 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5401 | struct sk_buff *msg; | |
5402 | void *hdr; | |
5403 | ||
5404 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
5405 | return -EOPNOTSUPP; | |
5406 | ||
5407 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5408 | if (!msg) | |
5409 | return -ENOMEM; | |
5410 | ||
5411 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5412 | NL80211_CMD_GET_WOWLAN); | |
5413 | if (!hdr) | |
5414 | goto nla_put_failure; | |
5415 | ||
5416 | if (rdev->wowlan) { | |
5417 | struct nlattr *nl_wowlan; | |
5418 | ||
5419 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
5420 | if (!nl_wowlan) | |
5421 | goto nla_put_failure; | |
5422 | ||
5423 | if (rdev->wowlan->any) | |
5424 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
5425 | if (rdev->wowlan->disconnect) | |
5426 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
5427 | if (rdev->wowlan->magic_pkt) | |
5428 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
77dbbb13 JB |
5429 | if (rdev->wowlan->gtk_rekey_failure) |
5430 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
5431 | if (rdev->wowlan->eap_identity_req) | |
5432 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
5433 | if (rdev->wowlan->four_way_handshake) | |
5434 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
5435 | if (rdev->wowlan->rfkill_release) | |
5436 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
ff1b6e69 JB |
5437 | if (rdev->wowlan->n_patterns) { |
5438 | struct nlattr *nl_pats, *nl_pat; | |
5439 | int i, pat_len; | |
5440 | ||
5441 | nl_pats = nla_nest_start(msg, | |
5442 | NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
5443 | if (!nl_pats) | |
5444 | goto nla_put_failure; | |
5445 | ||
5446 | for (i = 0; i < rdev->wowlan->n_patterns; i++) { | |
5447 | nl_pat = nla_nest_start(msg, i + 1); | |
5448 | if (!nl_pat) | |
5449 | goto nla_put_failure; | |
5450 | pat_len = rdev->wowlan->patterns[i].pattern_len; | |
5451 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK, | |
5452 | DIV_ROUND_UP(pat_len, 8), | |
5453 | rdev->wowlan->patterns[i].mask); | |
5454 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN, | |
5455 | pat_len, | |
5456 | rdev->wowlan->patterns[i].pattern); | |
5457 | nla_nest_end(msg, nl_pat); | |
5458 | } | |
5459 | nla_nest_end(msg, nl_pats); | |
5460 | } | |
5461 | ||
5462 | nla_nest_end(msg, nl_wowlan); | |
5463 | } | |
5464 | ||
5465 | genlmsg_end(msg, hdr); | |
5466 | return genlmsg_reply(msg, info); | |
5467 | ||
5468 | nla_put_failure: | |
5469 | nlmsg_free(msg); | |
5470 | return -ENOBUFS; | |
5471 | } | |
5472 | ||
5473 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) | |
5474 | { | |
5475 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5476 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
5477 | struct cfg80211_wowlan no_triggers = {}; | |
5478 | struct cfg80211_wowlan new_triggers = {}; | |
5479 | struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; | |
5480 | int err, i; | |
5481 | ||
5482 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
5483 | return -EOPNOTSUPP; | |
5484 | ||
5485 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) | |
5486 | goto no_triggers; | |
5487 | ||
5488 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
5489 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
5490 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
5491 | nl80211_wowlan_policy); | |
5492 | if (err) | |
5493 | return err; | |
5494 | ||
5495 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
5496 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
5497 | return -EINVAL; | |
5498 | new_triggers.any = true; | |
5499 | } | |
5500 | ||
5501 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
5502 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
5503 | return -EINVAL; | |
5504 | new_triggers.disconnect = true; | |
5505 | } | |
5506 | ||
5507 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
5508 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
5509 | return -EINVAL; | |
5510 | new_triggers.magic_pkt = true; | |
5511 | } | |
5512 | ||
77dbbb13 JB |
5513 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
5514 | return -EINVAL; | |
5515 | ||
5516 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
5517 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
5518 | return -EINVAL; | |
5519 | new_triggers.gtk_rekey_failure = true; | |
5520 | } | |
5521 | ||
5522 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
5523 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
5524 | return -EINVAL; | |
5525 | new_triggers.eap_identity_req = true; | |
5526 | } | |
5527 | ||
5528 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
5529 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
5530 | return -EINVAL; | |
5531 | new_triggers.four_way_handshake = true; | |
5532 | } | |
5533 | ||
5534 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
5535 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
5536 | return -EINVAL; | |
5537 | new_triggers.rfkill_release = true; | |
5538 | } | |
5539 | ||
ff1b6e69 JB |
5540 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
5541 | struct nlattr *pat; | |
5542 | int n_patterns = 0; | |
5543 | int rem, pat_len, mask_len; | |
5544 | struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; | |
5545 | ||
5546 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
5547 | rem) | |
5548 | n_patterns++; | |
5549 | if (n_patterns > wowlan->n_patterns) | |
5550 | return -EINVAL; | |
5551 | ||
5552 | new_triggers.patterns = kcalloc(n_patterns, | |
5553 | sizeof(new_triggers.patterns[0]), | |
5554 | GFP_KERNEL); | |
5555 | if (!new_triggers.patterns) | |
5556 | return -ENOMEM; | |
5557 | ||
5558 | new_triggers.n_patterns = n_patterns; | |
5559 | i = 0; | |
5560 | ||
5561 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
5562 | rem) { | |
5563 | nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT, | |
5564 | nla_data(pat), nla_len(pat), NULL); | |
5565 | err = -EINVAL; | |
5566 | if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] || | |
5567 | !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]) | |
5568 | goto error; | |
5569 | pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]); | |
5570 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
5571 | if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) != | |
5572 | mask_len) | |
5573 | goto error; | |
5574 | if (pat_len > wowlan->pattern_max_len || | |
5575 | pat_len < wowlan->pattern_min_len) | |
5576 | goto error; | |
5577 | ||
5578 | new_triggers.patterns[i].mask = | |
5579 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
5580 | if (!new_triggers.patterns[i].mask) { | |
5581 | err = -ENOMEM; | |
5582 | goto error; | |
5583 | } | |
5584 | new_triggers.patterns[i].pattern = | |
5585 | new_triggers.patterns[i].mask + mask_len; | |
5586 | memcpy(new_triggers.patterns[i].mask, | |
5587 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]), | |
5588 | mask_len); | |
5589 | new_triggers.patterns[i].pattern_len = pat_len; | |
5590 | memcpy(new_triggers.patterns[i].pattern, | |
5591 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]), | |
5592 | pat_len); | |
5593 | i++; | |
5594 | } | |
5595 | } | |
5596 | ||
5597 | if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) { | |
5598 | struct cfg80211_wowlan *ntrig; | |
5599 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), | |
5600 | GFP_KERNEL); | |
5601 | if (!ntrig) { | |
5602 | err = -ENOMEM; | |
5603 | goto error; | |
5604 | } | |
5605 | cfg80211_rdev_free_wowlan(rdev); | |
5606 | rdev->wowlan = ntrig; | |
5607 | } else { | |
5608 | no_triggers: | |
5609 | cfg80211_rdev_free_wowlan(rdev); | |
5610 | rdev->wowlan = NULL; | |
5611 | } | |
5612 | ||
5613 | return 0; | |
5614 | error: | |
5615 | for (i = 0; i < new_triggers.n_patterns; i++) | |
5616 | kfree(new_triggers.patterns[i].mask); | |
5617 | kfree(new_triggers.patterns); | |
5618 | return err; | |
5619 | } | |
5620 | ||
e5497d76 JB |
5621 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
5622 | { | |
5623 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5624 | struct net_device *dev = info->user_ptr[1]; | |
5625 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5626 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
5627 | struct cfg80211_gtk_rekey_data rekey_data; | |
5628 | int err; | |
5629 | ||
5630 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
5631 | return -EINVAL; | |
5632 | ||
5633 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
5634 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
5635 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
5636 | nl80211_rekey_policy); | |
5637 | if (err) | |
5638 | return err; | |
5639 | ||
5640 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
5641 | return -ERANGE; | |
5642 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
5643 | return -ERANGE; | |
5644 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
5645 | return -ERANGE; | |
5646 | ||
5647 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
5648 | NL80211_KEK_LEN); | |
5649 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
5650 | NL80211_KCK_LEN); | |
5651 | memcpy(rekey_data.replay_ctr, | |
5652 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
5653 | NL80211_REPLAY_CTR_LEN); | |
5654 | ||
5655 | wdev_lock(wdev); | |
5656 | if (!wdev->current_bss) { | |
5657 | err = -ENOTCONN; | |
5658 | goto out; | |
5659 | } | |
5660 | ||
5661 | if (!rdev->ops->set_rekey_data) { | |
5662 | err = -EOPNOTSUPP; | |
5663 | goto out; | |
5664 | } | |
5665 | ||
5666 | err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data); | |
5667 | out: | |
5668 | wdev_unlock(wdev); | |
5669 | return err; | |
5670 | } | |
5671 | ||
4c476991 JB |
5672 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
5673 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
5674 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
5675 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
5676 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
5677 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 JB |
5678 | |
5679 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, | |
5680 | struct genl_info *info) | |
5681 | { | |
5682 | struct cfg80211_registered_device *rdev; | |
5683 | struct net_device *dev; | |
5684 | int err; | |
5685 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; | |
5686 | ||
5687 | if (rtnl) | |
5688 | rtnl_lock(); | |
5689 | ||
5690 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
5691 | rdev = cfg80211_get_dev_from_info(info); | |
5692 | if (IS_ERR(rdev)) { | |
5693 | if (rtnl) | |
5694 | rtnl_unlock(); | |
5695 | return PTR_ERR(rdev); | |
5696 | } | |
5697 | info->user_ptr[0] = rdev; | |
5698 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { | |
5699 | err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); | |
5700 | if (err) { | |
5701 | if (rtnl) | |
5702 | rtnl_unlock(); | |
5703 | return err; | |
5704 | } | |
41265714 JB |
5705 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
5706 | !netif_running(dev)) { | |
d537f5fd JB |
5707 | cfg80211_unlock_rdev(rdev); |
5708 | dev_put(dev); | |
41265714 JB |
5709 | if (rtnl) |
5710 | rtnl_unlock(); | |
5711 | return -ENETDOWN; | |
5712 | } | |
4c476991 JB |
5713 | info->user_ptr[0] = rdev; |
5714 | info->user_ptr[1] = dev; | |
5715 | } | |
5716 | ||
5717 | return 0; | |
5718 | } | |
5719 | ||
5720 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
5721 | struct genl_info *info) | |
5722 | { | |
5723 | if (info->user_ptr[0]) | |
5724 | cfg80211_unlock_rdev(info->user_ptr[0]); | |
5725 | if (info->user_ptr[1]) | |
5726 | dev_put(info->user_ptr[1]); | |
5727 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) | |
5728 | rtnl_unlock(); | |
5729 | } | |
5730 | ||
55682965 JB |
5731 | static struct genl_ops nl80211_ops[] = { |
5732 | { | |
5733 | .cmd = NL80211_CMD_GET_WIPHY, | |
5734 | .doit = nl80211_get_wiphy, | |
5735 | .dumpit = nl80211_dump_wiphy, | |
5736 | .policy = nl80211_policy, | |
5737 | /* can be retrieved by unprivileged users */ | |
4c476991 | 5738 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
55682965 JB |
5739 | }, |
5740 | { | |
5741 | .cmd = NL80211_CMD_SET_WIPHY, | |
5742 | .doit = nl80211_set_wiphy, | |
5743 | .policy = nl80211_policy, | |
5744 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 5745 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
5746 | }, |
5747 | { | |
5748 | .cmd = NL80211_CMD_GET_INTERFACE, | |
5749 | .doit = nl80211_get_interface, | |
5750 | .dumpit = nl80211_dump_interface, | |
5751 | .policy = nl80211_policy, | |
5752 | /* can be retrieved by unprivileged users */ | |
4c476991 | 5753 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
55682965 JB |
5754 | }, |
5755 | { | |
5756 | .cmd = NL80211_CMD_SET_INTERFACE, | |
5757 | .doit = nl80211_set_interface, | |
5758 | .policy = nl80211_policy, | |
5759 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5760 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5761 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
5762 | }, |
5763 | { | |
5764 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
5765 | .doit = nl80211_new_interface, | |
5766 | .policy = nl80211_policy, | |
5767 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5768 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
5769 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
5770 | }, |
5771 | { | |
5772 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
5773 | .doit = nl80211_del_interface, | |
5774 | .policy = nl80211_policy, | |
41ade00f | 5775 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5776 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5777 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
5778 | }, |
5779 | { | |
5780 | .cmd = NL80211_CMD_GET_KEY, | |
5781 | .doit = nl80211_get_key, | |
5782 | .policy = nl80211_policy, | |
5783 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5784 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5785 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
5786 | }, |
5787 | { | |
5788 | .cmd = NL80211_CMD_SET_KEY, | |
5789 | .doit = nl80211_set_key, | |
5790 | .policy = nl80211_policy, | |
5791 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5792 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5793 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
5794 | }, |
5795 | { | |
5796 | .cmd = NL80211_CMD_NEW_KEY, | |
5797 | .doit = nl80211_new_key, | |
5798 | .policy = nl80211_policy, | |
5799 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5800 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5801 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
5802 | }, |
5803 | { | |
5804 | .cmd = NL80211_CMD_DEL_KEY, | |
5805 | .doit = nl80211_del_key, | |
5806 | .policy = nl80211_policy, | |
55682965 | 5807 | .flags = GENL_ADMIN_PERM, |
41265714 | 5808 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5809 | NL80211_FLAG_NEED_RTNL, |
55682965 | 5810 | }, |
ed1b6cc7 JB |
5811 | { |
5812 | .cmd = NL80211_CMD_SET_BEACON, | |
5813 | .policy = nl80211_policy, | |
5814 | .flags = GENL_ADMIN_PERM, | |
5815 | .doit = nl80211_addset_beacon, | |
4c476991 JB |
5816 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5817 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
5818 | }, |
5819 | { | |
5820 | .cmd = NL80211_CMD_NEW_BEACON, | |
5821 | .policy = nl80211_policy, | |
5822 | .flags = GENL_ADMIN_PERM, | |
5823 | .doit = nl80211_addset_beacon, | |
4c476991 JB |
5824 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5825 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
5826 | }, |
5827 | { | |
5828 | .cmd = NL80211_CMD_DEL_BEACON, | |
5829 | .policy = nl80211_policy, | |
5830 | .flags = GENL_ADMIN_PERM, | |
5831 | .doit = nl80211_del_beacon, | |
4c476991 JB |
5832 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5833 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 | 5834 | }, |
5727ef1b JB |
5835 | { |
5836 | .cmd = NL80211_CMD_GET_STATION, | |
5837 | .doit = nl80211_get_station, | |
2ec600d6 | 5838 | .dumpit = nl80211_dump_station, |
5727ef1b | 5839 | .policy = nl80211_policy, |
4c476991 JB |
5840 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5841 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
5842 | }, |
5843 | { | |
5844 | .cmd = NL80211_CMD_SET_STATION, | |
5845 | .doit = nl80211_set_station, | |
5846 | .policy = nl80211_policy, | |
5847 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5848 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5849 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
5850 | }, |
5851 | { | |
5852 | .cmd = NL80211_CMD_NEW_STATION, | |
5853 | .doit = nl80211_new_station, | |
5854 | .policy = nl80211_policy, | |
5855 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5856 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5857 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
5858 | }, |
5859 | { | |
5860 | .cmd = NL80211_CMD_DEL_STATION, | |
5861 | .doit = nl80211_del_station, | |
5862 | .policy = nl80211_policy, | |
2ec600d6 | 5863 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5864 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5865 | NL80211_FLAG_NEED_RTNL, | |
2ec600d6 LCC |
5866 | }, |
5867 | { | |
5868 | .cmd = NL80211_CMD_GET_MPATH, | |
5869 | .doit = nl80211_get_mpath, | |
5870 | .dumpit = nl80211_dump_mpath, | |
5871 | .policy = nl80211_policy, | |
5872 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5873 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5874 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
5875 | }, |
5876 | { | |
5877 | .cmd = NL80211_CMD_SET_MPATH, | |
5878 | .doit = nl80211_set_mpath, | |
5879 | .policy = nl80211_policy, | |
5880 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5881 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5882 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
5883 | }, |
5884 | { | |
5885 | .cmd = NL80211_CMD_NEW_MPATH, | |
5886 | .doit = nl80211_new_mpath, | |
5887 | .policy = nl80211_policy, | |
5888 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5889 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5890 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
5891 | }, |
5892 | { | |
5893 | .cmd = NL80211_CMD_DEL_MPATH, | |
5894 | .doit = nl80211_del_mpath, | |
5895 | .policy = nl80211_policy, | |
9f1ba906 | 5896 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5897 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5898 | NL80211_FLAG_NEED_RTNL, | |
9f1ba906 JM |
5899 | }, |
5900 | { | |
5901 | .cmd = NL80211_CMD_SET_BSS, | |
5902 | .doit = nl80211_set_bss, | |
5903 | .policy = nl80211_policy, | |
b2e1b302 | 5904 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5905 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5906 | NL80211_FLAG_NEED_RTNL, | |
b2e1b302 | 5907 | }, |
f130347c LR |
5908 | { |
5909 | .cmd = NL80211_CMD_GET_REG, | |
5910 | .doit = nl80211_get_reg, | |
5911 | .policy = nl80211_policy, | |
5912 | /* can be retrieved by unprivileged users */ | |
5913 | }, | |
b2e1b302 LR |
5914 | { |
5915 | .cmd = NL80211_CMD_SET_REG, | |
5916 | .doit = nl80211_set_reg, | |
5917 | .policy = nl80211_policy, | |
5918 | .flags = GENL_ADMIN_PERM, | |
5919 | }, | |
5920 | { | |
5921 | .cmd = NL80211_CMD_REQ_SET_REG, | |
5922 | .doit = nl80211_req_set_reg, | |
5923 | .policy = nl80211_policy, | |
93da9cc1 | 5924 | .flags = GENL_ADMIN_PERM, |
5925 | }, | |
5926 | { | |
24bdd9f4 JC |
5927 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
5928 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 5929 | .policy = nl80211_policy, |
5930 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
5931 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5932 | NL80211_FLAG_NEED_RTNL, | |
93da9cc1 | 5933 | }, |
5934 | { | |
24bdd9f4 JC |
5935 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
5936 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 5937 | .policy = nl80211_policy, |
9aed3cc1 | 5938 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 5939 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5940 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 5941 | }, |
2a519311 JB |
5942 | { |
5943 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
5944 | .doit = nl80211_trigger_scan, | |
5945 | .policy = nl80211_policy, | |
5946 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5947 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5948 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
5949 | }, |
5950 | { | |
5951 | .cmd = NL80211_CMD_GET_SCAN, | |
5952 | .policy = nl80211_policy, | |
5953 | .dumpit = nl80211_dump_scan, | |
5954 | }, | |
807f8a8c LC |
5955 | { |
5956 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
5957 | .doit = nl80211_start_sched_scan, | |
5958 | .policy = nl80211_policy, | |
5959 | .flags = GENL_ADMIN_PERM, | |
5960 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5961 | NL80211_FLAG_NEED_RTNL, | |
5962 | }, | |
5963 | { | |
5964 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
5965 | .doit = nl80211_stop_sched_scan, | |
5966 | .policy = nl80211_policy, | |
5967 | .flags = GENL_ADMIN_PERM, | |
5968 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5969 | NL80211_FLAG_NEED_RTNL, | |
5970 | }, | |
636a5d36 JM |
5971 | { |
5972 | .cmd = NL80211_CMD_AUTHENTICATE, | |
5973 | .doit = nl80211_authenticate, | |
5974 | .policy = nl80211_policy, | |
5975 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5976 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5977 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
5978 | }, |
5979 | { | |
5980 | .cmd = NL80211_CMD_ASSOCIATE, | |
5981 | .doit = nl80211_associate, | |
5982 | .policy = nl80211_policy, | |
5983 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5984 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5985 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
5986 | }, |
5987 | { | |
5988 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
5989 | .doit = nl80211_deauthenticate, | |
5990 | .policy = nl80211_policy, | |
5991 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5992 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5993 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
5994 | }, |
5995 | { | |
5996 | .cmd = NL80211_CMD_DISASSOCIATE, | |
5997 | .doit = nl80211_disassociate, | |
5998 | .policy = nl80211_policy, | |
5999 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6000 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6001 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 6002 | }, |
04a773ad JB |
6003 | { |
6004 | .cmd = NL80211_CMD_JOIN_IBSS, | |
6005 | .doit = nl80211_join_ibss, | |
6006 | .policy = nl80211_policy, | |
6007 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6008 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6009 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
6010 | }, |
6011 | { | |
6012 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
6013 | .doit = nl80211_leave_ibss, | |
6014 | .policy = nl80211_policy, | |
6015 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6016 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6017 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 6018 | }, |
aff89a9b JB |
6019 | #ifdef CONFIG_NL80211_TESTMODE |
6020 | { | |
6021 | .cmd = NL80211_CMD_TESTMODE, | |
6022 | .doit = nl80211_testmode_do, | |
71063f0e | 6023 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
6024 | .policy = nl80211_policy, |
6025 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6026 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6027 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
6028 | }, |
6029 | #endif | |
b23aa676 SO |
6030 | { |
6031 | .cmd = NL80211_CMD_CONNECT, | |
6032 | .doit = nl80211_connect, | |
6033 | .policy = nl80211_policy, | |
6034 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6035 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6036 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
6037 | }, |
6038 | { | |
6039 | .cmd = NL80211_CMD_DISCONNECT, | |
6040 | .doit = nl80211_disconnect, | |
6041 | .policy = nl80211_policy, | |
6042 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6043 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6044 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 6045 | }, |
463d0183 JB |
6046 | { |
6047 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
6048 | .doit = nl80211_wiphy_netns, | |
6049 | .policy = nl80211_policy, | |
6050 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6051 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6052 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 6053 | }, |
61fa713c HS |
6054 | { |
6055 | .cmd = NL80211_CMD_GET_SURVEY, | |
6056 | .policy = nl80211_policy, | |
6057 | .dumpit = nl80211_dump_survey, | |
6058 | }, | |
67fbb16b SO |
6059 | { |
6060 | .cmd = NL80211_CMD_SET_PMKSA, | |
6061 | .doit = nl80211_setdel_pmksa, | |
6062 | .policy = nl80211_policy, | |
6063 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6064 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6065 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
6066 | }, |
6067 | { | |
6068 | .cmd = NL80211_CMD_DEL_PMKSA, | |
6069 | .doit = nl80211_setdel_pmksa, | |
6070 | .policy = nl80211_policy, | |
6071 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6072 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6073 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
6074 | }, |
6075 | { | |
6076 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
6077 | .doit = nl80211_flush_pmksa, | |
6078 | .policy = nl80211_policy, | |
6079 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6080 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6081 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b | 6082 | }, |
9588bbd5 JM |
6083 | { |
6084 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
6085 | .doit = nl80211_remain_on_channel, | |
6086 | .policy = nl80211_policy, | |
6087 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6088 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6089 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
6090 | }, |
6091 | { | |
6092 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
6093 | .doit = nl80211_cancel_remain_on_channel, | |
6094 | .policy = nl80211_policy, | |
6095 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6096 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6097 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 6098 | }, |
13ae75b1 JM |
6099 | { |
6100 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
6101 | .doit = nl80211_set_tx_bitrate_mask, | |
6102 | .policy = nl80211_policy, | |
6103 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6104 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6105 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 6106 | }, |
026331c4 | 6107 | { |
2e161f78 JB |
6108 | .cmd = NL80211_CMD_REGISTER_FRAME, |
6109 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
6110 | .policy = nl80211_policy, |
6111 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6112 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6113 | NL80211_FLAG_NEED_RTNL, | |
026331c4 JM |
6114 | }, |
6115 | { | |
2e161f78 JB |
6116 | .cmd = NL80211_CMD_FRAME, |
6117 | .doit = nl80211_tx_mgmt, | |
026331c4 | 6118 | .policy = nl80211_policy, |
f7ca38df JB |
6119 | .flags = GENL_ADMIN_PERM, |
6120 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6121 | NL80211_FLAG_NEED_RTNL, | |
6122 | }, | |
6123 | { | |
6124 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
6125 | .doit = nl80211_tx_mgmt_cancel_wait, | |
6126 | .policy = nl80211_policy, | |
026331c4 | 6127 | .flags = GENL_ADMIN_PERM, |
41265714 | 6128 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6129 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 6130 | }, |
ffb9eb3d KV |
6131 | { |
6132 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
6133 | .doit = nl80211_set_power_save, | |
6134 | .policy = nl80211_policy, | |
6135 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6136 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6137 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
6138 | }, |
6139 | { | |
6140 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
6141 | .doit = nl80211_get_power_save, | |
6142 | .policy = nl80211_policy, | |
6143 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
6144 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6145 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 6146 | }, |
d6dc1a38 JO |
6147 | { |
6148 | .cmd = NL80211_CMD_SET_CQM, | |
6149 | .doit = nl80211_set_cqm, | |
6150 | .policy = nl80211_policy, | |
6151 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6152 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6153 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 6154 | }, |
f444de05 JB |
6155 | { |
6156 | .cmd = NL80211_CMD_SET_CHANNEL, | |
6157 | .doit = nl80211_set_channel, | |
6158 | .policy = nl80211_policy, | |
6159 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6160 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6161 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 6162 | }, |
e8347eba BJ |
6163 | { |
6164 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
6165 | .doit = nl80211_set_wds_peer, | |
6166 | .policy = nl80211_policy, | |
6167 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
6168 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6169 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 6170 | }, |
29cbe68c JB |
6171 | { |
6172 | .cmd = NL80211_CMD_JOIN_MESH, | |
6173 | .doit = nl80211_join_mesh, | |
6174 | .policy = nl80211_policy, | |
6175 | .flags = GENL_ADMIN_PERM, | |
6176 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6177 | NL80211_FLAG_NEED_RTNL, | |
6178 | }, | |
6179 | { | |
6180 | .cmd = NL80211_CMD_LEAVE_MESH, | |
6181 | .doit = nl80211_leave_mesh, | |
6182 | .policy = nl80211_policy, | |
6183 | .flags = GENL_ADMIN_PERM, | |
6184 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6185 | NL80211_FLAG_NEED_RTNL, | |
6186 | }, | |
ff1b6e69 JB |
6187 | { |
6188 | .cmd = NL80211_CMD_GET_WOWLAN, | |
6189 | .doit = nl80211_get_wowlan, | |
6190 | .policy = nl80211_policy, | |
6191 | /* can be retrieved by unprivileged users */ | |
6192 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6193 | NL80211_FLAG_NEED_RTNL, | |
6194 | }, | |
6195 | { | |
6196 | .cmd = NL80211_CMD_SET_WOWLAN, | |
6197 | .doit = nl80211_set_wowlan, | |
6198 | .policy = nl80211_policy, | |
6199 | .flags = GENL_ADMIN_PERM, | |
6200 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6201 | NL80211_FLAG_NEED_RTNL, | |
6202 | }, | |
e5497d76 JB |
6203 | { |
6204 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
6205 | .doit = nl80211_set_rekey_data, | |
6206 | .policy = nl80211_policy, | |
6207 | .flags = GENL_ADMIN_PERM, | |
6208 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6209 | NL80211_FLAG_NEED_RTNL, | |
6210 | }, | |
55682965 | 6211 | }; |
9588bbd5 | 6212 | |
6039f6d2 JM |
6213 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
6214 | .name = "mlme", | |
6215 | }; | |
55682965 JB |
6216 | |
6217 | /* multicast groups */ | |
6218 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
6219 | .name = "config", | |
6220 | }; | |
2a519311 JB |
6221 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
6222 | .name = "scan", | |
6223 | }; | |
73d54c9e LR |
6224 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
6225 | .name = "regulatory", | |
6226 | }; | |
55682965 JB |
6227 | |
6228 | /* notification functions */ | |
6229 | ||
6230 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
6231 | { | |
6232 | struct sk_buff *msg; | |
6233 | ||
fd2120ca | 6234 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
6235 | if (!msg) |
6236 | return; | |
6237 | ||
6238 | if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { | |
6239 | nlmsg_free(msg); | |
6240 | return; | |
6241 | } | |
6242 | ||
463d0183 JB |
6243 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6244 | nl80211_config_mcgrp.id, GFP_KERNEL); | |
55682965 JB |
6245 | } |
6246 | ||
362a415d JB |
6247 | static int nl80211_add_scan_req(struct sk_buff *msg, |
6248 | struct cfg80211_registered_device *rdev) | |
6249 | { | |
6250 | struct cfg80211_scan_request *req = rdev->scan_req; | |
6251 | struct nlattr *nest; | |
6252 | int i; | |
6253 | ||
667503dd JB |
6254 | ASSERT_RDEV_LOCK(rdev); |
6255 | ||
362a415d JB |
6256 | if (WARN_ON(!req)) |
6257 | return 0; | |
6258 | ||
6259 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
6260 | if (!nest) | |
6261 | goto nla_put_failure; | |
6262 | for (i = 0; i < req->n_ssids; i++) | |
6263 | NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid); | |
6264 | nla_nest_end(msg, nest); | |
6265 | ||
6266 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
6267 | if (!nest) | |
6268 | goto nla_put_failure; | |
6269 | for (i = 0; i < req->n_channels; i++) | |
6270 | NLA_PUT_U32(msg, i, req->channels[i]->center_freq); | |
6271 | nla_nest_end(msg, nest); | |
6272 | ||
6273 | if (req->ie) | |
6274 | NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie); | |
6275 | ||
6276 | return 0; | |
6277 | nla_put_failure: | |
6278 | return -ENOBUFS; | |
6279 | } | |
6280 | ||
a538e2d5 JB |
6281 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
6282 | struct cfg80211_registered_device *rdev, | |
6283 | struct net_device *netdev, | |
6284 | u32 pid, u32 seq, int flags, | |
6285 | u32 cmd) | |
2a519311 JB |
6286 | { |
6287 | void *hdr; | |
6288 | ||
6289 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); | |
6290 | if (!hdr) | |
6291 | return -1; | |
6292 | ||
b5850a7a | 6293 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
2a519311 JB |
6294 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
6295 | ||
362a415d JB |
6296 | /* ignore errors and send incomplete event anyway */ |
6297 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
6298 | |
6299 | return genlmsg_end(msg, hdr); | |
6300 | ||
6301 | nla_put_failure: | |
6302 | genlmsg_cancel(msg, hdr); | |
6303 | return -EMSGSIZE; | |
6304 | } | |
6305 | ||
807f8a8c LC |
6306 | static int |
6307 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
6308 | struct cfg80211_registered_device *rdev, | |
6309 | struct net_device *netdev, | |
6310 | u32 pid, u32 seq, int flags, u32 cmd) | |
6311 | { | |
6312 | void *hdr; | |
6313 | ||
6314 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); | |
6315 | if (!hdr) | |
6316 | return -1; | |
6317 | ||
6318 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6319 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6320 | ||
6321 | return genlmsg_end(msg, hdr); | |
6322 | ||
6323 | nla_put_failure: | |
6324 | genlmsg_cancel(msg, hdr); | |
6325 | return -EMSGSIZE; | |
6326 | } | |
6327 | ||
a538e2d5 JB |
6328 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
6329 | struct net_device *netdev) | |
6330 | { | |
6331 | struct sk_buff *msg; | |
6332 | ||
6333 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
6334 | if (!msg) | |
6335 | return; | |
6336 | ||
6337 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
6338 | NL80211_CMD_TRIGGER_SCAN) < 0) { | |
6339 | nlmsg_free(msg); | |
6340 | return; | |
6341 | } | |
6342 | ||
463d0183 JB |
6343 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6344 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
a538e2d5 JB |
6345 | } |
6346 | ||
2a519311 JB |
6347 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
6348 | struct net_device *netdev) | |
6349 | { | |
6350 | struct sk_buff *msg; | |
6351 | ||
fd2120ca | 6352 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
6353 | if (!msg) |
6354 | return; | |
6355 | ||
a538e2d5 JB |
6356 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
6357 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 JB |
6358 | nlmsg_free(msg); |
6359 | return; | |
6360 | } | |
6361 | ||
463d0183 JB |
6362 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6363 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
6364 | } |
6365 | ||
6366 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
6367 | struct net_device *netdev) | |
6368 | { | |
6369 | struct sk_buff *msg; | |
6370 | ||
fd2120ca | 6371 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
6372 | if (!msg) |
6373 | return; | |
6374 | ||
a538e2d5 JB |
6375 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
6376 | NL80211_CMD_SCAN_ABORTED) < 0) { | |
2a519311 JB |
6377 | nlmsg_free(msg); |
6378 | return; | |
6379 | } | |
6380 | ||
463d0183 JB |
6381 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6382 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
6383 | } |
6384 | ||
807f8a8c LC |
6385 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
6386 | struct net_device *netdev) | |
6387 | { | |
6388 | struct sk_buff *msg; | |
6389 | ||
6390 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6391 | if (!msg) | |
6392 | return; | |
6393 | ||
6394 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
6395 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
6396 | nlmsg_free(msg); | |
6397 | return; | |
6398 | } | |
6399 | ||
6400 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6401 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
6402 | } | |
6403 | ||
6404 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
6405 | struct net_device *netdev, u32 cmd) | |
6406 | { | |
6407 | struct sk_buff *msg; | |
6408 | ||
6409 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
6410 | if (!msg) | |
6411 | return; | |
6412 | ||
6413 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
6414 | nlmsg_free(msg); | |
6415 | return; | |
6416 | } | |
6417 | ||
6418 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6419 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
6420 | } | |
6421 | ||
73d54c9e LR |
6422 | /* |
6423 | * This can happen on global regulatory changes or device specific settings | |
6424 | * based on custom world regulatory domains. | |
6425 | */ | |
6426 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
6427 | { | |
6428 | struct sk_buff *msg; | |
6429 | void *hdr; | |
6430 | ||
fd2120ca | 6431 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
6432 | if (!msg) |
6433 | return; | |
6434 | ||
6435 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
6436 | if (!hdr) { | |
6437 | nlmsg_free(msg); | |
6438 | return; | |
6439 | } | |
6440 | ||
6441 | /* Userspace can always count this one always being set */ | |
6442 | NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator); | |
6443 | ||
6444 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') | |
6445 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6446 | NL80211_REGDOM_TYPE_WORLD); | |
6447 | else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') | |
6448 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6449 | NL80211_REGDOM_TYPE_CUSTOM_WORLD); | |
6450 | else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
6451 | request->intersect) | |
6452 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6453 | NL80211_REGDOM_TYPE_INTERSECTION); | |
6454 | else { | |
6455 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6456 | NL80211_REGDOM_TYPE_COUNTRY); | |
6457 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2); | |
6458 | } | |
6459 | ||
6460 | if (wiphy_idx_valid(request->wiphy_idx)) | |
6461 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx); | |
6462 | ||
6463 | if (genlmsg_end(msg, hdr) < 0) { | |
6464 | nlmsg_free(msg); | |
6465 | return; | |
6466 | } | |
6467 | ||
bc43b28c | 6468 | rcu_read_lock(); |
463d0183 | 6469 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
bc43b28c JB |
6470 | GFP_ATOMIC); |
6471 | rcu_read_unlock(); | |
73d54c9e LR |
6472 | |
6473 | return; | |
6474 | ||
6475 | nla_put_failure: | |
6476 | genlmsg_cancel(msg, hdr); | |
6477 | nlmsg_free(msg); | |
6478 | } | |
6479 | ||
6039f6d2 JM |
6480 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
6481 | struct net_device *netdev, | |
6482 | const u8 *buf, size_t len, | |
e6d6e342 | 6483 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
6484 | { |
6485 | struct sk_buff *msg; | |
6486 | void *hdr; | |
6487 | ||
e6d6e342 | 6488 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
6489 | if (!msg) |
6490 | return; | |
6491 | ||
6492 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
6493 | if (!hdr) { | |
6494 | nlmsg_free(msg); | |
6495 | return; | |
6496 | } | |
6497 | ||
6498 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6499 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6500 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
6501 | ||
6502 | if (genlmsg_end(msg, hdr) < 0) { | |
6503 | nlmsg_free(msg); | |
6504 | return; | |
6505 | } | |
6506 | ||
463d0183 JB |
6507 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6508 | nl80211_mlme_mcgrp.id, gfp); | |
6039f6d2 JM |
6509 | return; |
6510 | ||
6511 | nla_put_failure: | |
6512 | genlmsg_cancel(msg, hdr); | |
6513 | nlmsg_free(msg); | |
6514 | } | |
6515 | ||
6516 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
6517 | struct net_device *netdev, const u8 *buf, |
6518 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
6519 | { |
6520 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 6521 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
6522 | } |
6523 | ||
6524 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
6525 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 6526 | size_t len, gfp_t gfp) |
6039f6d2 | 6527 | { |
e6d6e342 JB |
6528 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
6529 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
6530 | } |
6531 | ||
53b46b84 | 6532 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
6533 | struct net_device *netdev, const u8 *buf, |
6534 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
6535 | { |
6536 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 6537 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
6538 | } |
6539 | ||
53b46b84 JM |
6540 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
6541 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 6542 | size_t len, gfp_t gfp) |
6039f6d2 JM |
6543 | { |
6544 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 6545 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
6546 | } |
6547 | ||
cf4e594e JM |
6548 | void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, |
6549 | struct net_device *netdev, const u8 *buf, | |
6550 | size_t len, gfp_t gfp) | |
6551 | { | |
6552 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
6553 | NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); | |
6554 | } | |
6555 | ||
6556 | void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, | |
6557 | struct net_device *netdev, const u8 *buf, | |
6558 | size_t len, gfp_t gfp) | |
6559 | { | |
6560 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
6561 | NL80211_CMD_UNPROT_DISASSOCIATE, gfp); | |
6562 | } | |
6563 | ||
1b06bb40 LR |
6564 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
6565 | struct net_device *netdev, int cmd, | |
e6d6e342 | 6566 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
6567 | { |
6568 | struct sk_buff *msg; | |
6569 | void *hdr; | |
6570 | ||
e6d6e342 | 6571 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
6572 | if (!msg) |
6573 | return; | |
6574 | ||
6575 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
6576 | if (!hdr) { | |
6577 | nlmsg_free(msg); | |
6578 | return; | |
6579 | } | |
6580 | ||
6581 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6582 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6583 | NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT); | |
6584 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
6585 | ||
6586 | if (genlmsg_end(msg, hdr) < 0) { | |
6587 | nlmsg_free(msg); | |
6588 | return; | |
6589 | } | |
6590 | ||
463d0183 JB |
6591 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6592 | nl80211_mlme_mcgrp.id, gfp); | |
1965c853 JM |
6593 | return; |
6594 | ||
6595 | nla_put_failure: | |
6596 | genlmsg_cancel(msg, hdr); | |
6597 | nlmsg_free(msg); | |
6598 | } | |
6599 | ||
6600 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
6601 | struct net_device *netdev, const u8 *addr, |
6602 | gfp_t gfp) | |
1965c853 JM |
6603 | { |
6604 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 6605 | addr, gfp); |
1965c853 JM |
6606 | } |
6607 | ||
6608 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
6609 | struct net_device *netdev, const u8 *addr, |
6610 | gfp_t gfp) | |
1965c853 | 6611 | { |
e6d6e342 JB |
6612 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
6613 | addr, gfp); | |
1965c853 JM |
6614 | } |
6615 | ||
b23aa676 SO |
6616 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
6617 | struct net_device *netdev, const u8 *bssid, | |
6618 | const u8 *req_ie, size_t req_ie_len, | |
6619 | const u8 *resp_ie, size_t resp_ie_len, | |
6620 | u16 status, gfp_t gfp) | |
6621 | { | |
6622 | struct sk_buff *msg; | |
6623 | void *hdr; | |
6624 | ||
6625 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6626 | if (!msg) | |
6627 | return; | |
6628 | ||
6629 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
6630 | if (!hdr) { | |
6631 | nlmsg_free(msg); | |
6632 | return; | |
6633 | } | |
6634 | ||
6635 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6636 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6637 | if (bssid) | |
6638 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
6639 | NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status); | |
6640 | if (req_ie) | |
6641 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
6642 | if (resp_ie) | |
6643 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
6644 | ||
6645 | if (genlmsg_end(msg, hdr) < 0) { | |
6646 | nlmsg_free(msg); | |
6647 | return; | |
6648 | } | |
6649 | ||
463d0183 JB |
6650 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6651 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
6652 | return; |
6653 | ||
6654 | nla_put_failure: | |
6655 | genlmsg_cancel(msg, hdr); | |
6656 | nlmsg_free(msg); | |
6657 | ||
6658 | } | |
6659 | ||
6660 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
6661 | struct net_device *netdev, const u8 *bssid, | |
6662 | const u8 *req_ie, size_t req_ie_len, | |
6663 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
6664 | { | |
6665 | struct sk_buff *msg; | |
6666 | void *hdr; | |
6667 | ||
6668 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6669 | if (!msg) | |
6670 | return; | |
6671 | ||
6672 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
6673 | if (!hdr) { | |
6674 | nlmsg_free(msg); | |
6675 | return; | |
6676 | } | |
6677 | ||
6678 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6679 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6680 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
6681 | if (req_ie) | |
6682 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
6683 | if (resp_ie) | |
6684 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
6685 | ||
6686 | if (genlmsg_end(msg, hdr) < 0) { | |
6687 | nlmsg_free(msg); | |
6688 | return; | |
6689 | } | |
6690 | ||
463d0183 JB |
6691 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6692 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
6693 | return; |
6694 | ||
6695 | nla_put_failure: | |
6696 | genlmsg_cancel(msg, hdr); | |
6697 | nlmsg_free(msg); | |
6698 | ||
6699 | } | |
6700 | ||
6701 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
6702 | struct net_device *netdev, u16 reason, | |
667503dd | 6703 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
6704 | { |
6705 | struct sk_buff *msg; | |
6706 | void *hdr; | |
6707 | ||
667503dd | 6708 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
b23aa676 SO |
6709 | if (!msg) |
6710 | return; | |
6711 | ||
6712 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
6713 | if (!hdr) { | |
6714 | nlmsg_free(msg); | |
6715 | return; | |
6716 | } | |
6717 | ||
6718 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6719 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6720 | if (from_ap && reason) | |
6721 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason); | |
6722 | if (from_ap) | |
6723 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP); | |
6724 | if (ie) | |
6725 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie); | |
6726 | ||
6727 | if (genlmsg_end(msg, hdr) < 0) { | |
6728 | nlmsg_free(msg); | |
6729 | return; | |
6730 | } | |
6731 | ||
463d0183 JB |
6732 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6733 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
b23aa676 SO |
6734 | return; |
6735 | ||
6736 | nla_put_failure: | |
6737 | genlmsg_cancel(msg, hdr); | |
6738 | nlmsg_free(msg); | |
6739 | ||
6740 | } | |
6741 | ||
04a773ad JB |
6742 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
6743 | struct net_device *netdev, const u8 *bssid, | |
6744 | gfp_t gfp) | |
6745 | { | |
6746 | struct sk_buff *msg; | |
6747 | void *hdr; | |
6748 | ||
fd2120ca | 6749 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
6750 | if (!msg) |
6751 | return; | |
6752 | ||
6753 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
6754 | if (!hdr) { | |
6755 | nlmsg_free(msg); | |
6756 | return; | |
6757 | } | |
6758 | ||
6759 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6760 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6761 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
6762 | ||
6763 | if (genlmsg_end(msg, hdr) < 0) { | |
6764 | nlmsg_free(msg); | |
6765 | return; | |
6766 | } | |
6767 | ||
463d0183 JB |
6768 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6769 | nl80211_mlme_mcgrp.id, gfp); | |
04a773ad JB |
6770 | return; |
6771 | ||
6772 | nla_put_failure: | |
6773 | genlmsg_cancel(msg, hdr); | |
6774 | nlmsg_free(msg); | |
6775 | } | |
6776 | ||
c93b5e71 JC |
6777 | void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, |
6778 | struct net_device *netdev, | |
6779 | const u8 *macaddr, const u8* ie, u8 ie_len, | |
6780 | gfp_t gfp) | |
6781 | { | |
6782 | struct sk_buff *msg; | |
6783 | void *hdr; | |
6784 | ||
6785 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
6786 | if (!msg) | |
6787 | return; | |
6788 | ||
6789 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
6790 | if (!hdr) { | |
6791 | nlmsg_free(msg); | |
6792 | return; | |
6793 | } | |
6794 | ||
6795 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6796 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6797 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr); | |
6798 | if (ie_len && ie) | |
6799 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie); | |
6800 | ||
6801 | if (genlmsg_end(msg, hdr) < 0) { | |
6802 | nlmsg_free(msg); | |
6803 | return; | |
6804 | } | |
6805 | ||
6806 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6807 | nl80211_mlme_mcgrp.id, gfp); | |
6808 | return; | |
6809 | ||
6810 | nla_put_failure: | |
6811 | genlmsg_cancel(msg, hdr); | |
6812 | nlmsg_free(msg); | |
6813 | } | |
6814 | ||
a3b8b056 JM |
6815 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
6816 | struct net_device *netdev, const u8 *addr, | |
6817 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 6818 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
6819 | { |
6820 | struct sk_buff *msg; | |
6821 | void *hdr; | |
6822 | ||
e6d6e342 | 6823 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
6824 | if (!msg) |
6825 | return; | |
6826 | ||
6827 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
6828 | if (!hdr) { | |
6829 | nlmsg_free(msg); | |
6830 | return; | |
6831 | } | |
6832 | ||
6833 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6834 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6835 | if (addr) | |
6836 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
6837 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type); | |
a66b98db AN |
6838 | if (key_id != -1) |
6839 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id); | |
a3b8b056 JM |
6840 | if (tsc) |
6841 | NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc); | |
6842 | ||
6843 | if (genlmsg_end(msg, hdr) < 0) { | |
6844 | nlmsg_free(msg); | |
6845 | return; | |
6846 | } | |
6847 | ||
463d0183 JB |
6848 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6849 | nl80211_mlme_mcgrp.id, gfp); | |
a3b8b056 JM |
6850 | return; |
6851 | ||
6852 | nla_put_failure: | |
6853 | genlmsg_cancel(msg, hdr); | |
6854 | nlmsg_free(msg); | |
6855 | } | |
6856 | ||
6bad8766 LR |
6857 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
6858 | struct ieee80211_channel *channel_before, | |
6859 | struct ieee80211_channel *channel_after) | |
6860 | { | |
6861 | struct sk_buff *msg; | |
6862 | void *hdr; | |
6863 | struct nlattr *nl_freq; | |
6864 | ||
fd2120ca | 6865 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
6866 | if (!msg) |
6867 | return; | |
6868 | ||
6869 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
6870 | if (!hdr) { | |
6871 | nlmsg_free(msg); | |
6872 | return; | |
6873 | } | |
6874 | ||
6875 | /* | |
6876 | * Since we are applying the beacon hint to a wiphy we know its | |
6877 | * wiphy_idx is valid | |
6878 | */ | |
6879 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)); | |
6880 | ||
6881 | /* Before */ | |
6882 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
6883 | if (!nl_freq) | |
6884 | goto nla_put_failure; | |
6885 | if (nl80211_msg_put_channel(msg, channel_before)) | |
6886 | goto nla_put_failure; | |
6887 | nla_nest_end(msg, nl_freq); | |
6888 | ||
6889 | /* After */ | |
6890 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
6891 | if (!nl_freq) | |
6892 | goto nla_put_failure; | |
6893 | if (nl80211_msg_put_channel(msg, channel_after)) | |
6894 | goto nla_put_failure; | |
6895 | nla_nest_end(msg, nl_freq); | |
6896 | ||
6897 | if (genlmsg_end(msg, hdr) < 0) { | |
6898 | nlmsg_free(msg); | |
6899 | return; | |
6900 | } | |
6901 | ||
463d0183 JB |
6902 | rcu_read_lock(); |
6903 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, | |
6904 | GFP_ATOMIC); | |
6905 | rcu_read_unlock(); | |
6bad8766 LR |
6906 | |
6907 | return; | |
6908 | ||
6909 | nla_put_failure: | |
6910 | genlmsg_cancel(msg, hdr); | |
6911 | nlmsg_free(msg); | |
6912 | } | |
6913 | ||
9588bbd5 JM |
6914 | static void nl80211_send_remain_on_chan_event( |
6915 | int cmd, struct cfg80211_registered_device *rdev, | |
6916 | struct net_device *netdev, u64 cookie, | |
6917 | struct ieee80211_channel *chan, | |
6918 | enum nl80211_channel_type channel_type, | |
6919 | unsigned int duration, gfp_t gfp) | |
6920 | { | |
6921 | struct sk_buff *msg; | |
6922 | void *hdr; | |
6923 | ||
6924 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
6925 | if (!msg) | |
6926 | return; | |
6927 | ||
6928 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
6929 | if (!hdr) { | |
6930 | nlmsg_free(msg); | |
6931 | return; | |
6932 | } | |
6933 | ||
6934 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6935 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6936 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq); | |
6937 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type); | |
6938 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
6939 | ||
6940 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL) | |
6941 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); | |
6942 | ||
6943 | if (genlmsg_end(msg, hdr) < 0) { | |
6944 | nlmsg_free(msg); | |
6945 | return; | |
6946 | } | |
6947 | ||
6948 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6949 | nl80211_mlme_mcgrp.id, gfp); | |
6950 | return; | |
6951 | ||
6952 | nla_put_failure: | |
6953 | genlmsg_cancel(msg, hdr); | |
6954 | nlmsg_free(msg); | |
6955 | } | |
6956 | ||
6957 | void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, | |
6958 | struct net_device *netdev, u64 cookie, | |
6959 | struct ieee80211_channel *chan, | |
6960 | enum nl80211_channel_type channel_type, | |
6961 | unsigned int duration, gfp_t gfp) | |
6962 | { | |
6963 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, | |
6964 | rdev, netdev, cookie, chan, | |
6965 | channel_type, duration, gfp); | |
6966 | } | |
6967 | ||
6968 | void nl80211_send_remain_on_channel_cancel( | |
6969 | struct cfg80211_registered_device *rdev, struct net_device *netdev, | |
6970 | u64 cookie, struct ieee80211_channel *chan, | |
6971 | enum nl80211_channel_type channel_type, gfp_t gfp) | |
6972 | { | |
6973 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
6974 | rdev, netdev, cookie, chan, | |
6975 | channel_type, 0, gfp); | |
6976 | } | |
6977 | ||
98b62183 JB |
6978 | void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, |
6979 | struct net_device *dev, const u8 *mac_addr, | |
6980 | struct station_info *sinfo, gfp_t gfp) | |
6981 | { | |
6982 | struct sk_buff *msg; | |
6983 | ||
6984 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6985 | if (!msg) | |
6986 | return; | |
6987 | ||
6988 | if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) { | |
6989 | nlmsg_free(msg); | |
6990 | return; | |
6991 | } | |
6992 | ||
6993 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6994 | nl80211_mlme_mcgrp.id, gfp); | |
6995 | } | |
6996 | ||
ec15e68b JM |
6997 | void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, |
6998 | struct net_device *dev, const u8 *mac_addr, | |
6999 | gfp_t gfp) | |
7000 | { | |
7001 | struct sk_buff *msg; | |
7002 | void *hdr; | |
7003 | ||
7004 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7005 | if (!msg) | |
7006 | return; | |
7007 | ||
7008 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
7009 | if (!hdr) { | |
7010 | nlmsg_free(msg); | |
7011 | return; | |
7012 | } | |
7013 | ||
7014 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
7015 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
7016 | ||
7017 | if (genlmsg_end(msg, hdr) < 0) { | |
7018 | nlmsg_free(msg); | |
7019 | return; | |
7020 | } | |
7021 | ||
7022 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7023 | nl80211_mlme_mcgrp.id, gfp); | |
7024 | return; | |
7025 | ||
7026 | nla_put_failure: | |
7027 | genlmsg_cancel(msg, hdr); | |
7028 | nlmsg_free(msg); | |
7029 | } | |
7030 | ||
2e161f78 JB |
7031 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
7032 | struct net_device *netdev, u32 nlpid, | |
7033 | int freq, const u8 *buf, size_t len, gfp_t gfp) | |
026331c4 JM |
7034 | { |
7035 | struct sk_buff *msg; | |
7036 | void *hdr; | |
7037 | int err; | |
7038 | ||
7039 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7040 | if (!msg) | |
7041 | return -ENOMEM; | |
7042 | ||
2e161f78 | 7043 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
7044 | if (!hdr) { |
7045 | nlmsg_free(msg); | |
7046 | return -ENOMEM; | |
7047 | } | |
7048 | ||
7049 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7050 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7051 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
7052 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
7053 | ||
7054 | err = genlmsg_end(msg, hdr); | |
7055 | if (err < 0) { | |
7056 | nlmsg_free(msg); | |
7057 | return err; | |
7058 | } | |
7059 | ||
7060 | err = genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); | |
7061 | if (err < 0) | |
7062 | return err; | |
7063 | return 0; | |
7064 | ||
7065 | nla_put_failure: | |
7066 | genlmsg_cancel(msg, hdr); | |
7067 | nlmsg_free(msg); | |
7068 | return -ENOBUFS; | |
7069 | } | |
7070 | ||
2e161f78 JB |
7071 | void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, |
7072 | struct net_device *netdev, u64 cookie, | |
7073 | const u8 *buf, size_t len, bool ack, | |
7074 | gfp_t gfp) | |
026331c4 JM |
7075 | { |
7076 | struct sk_buff *msg; | |
7077 | void *hdr; | |
7078 | ||
7079 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7080 | if (!msg) | |
7081 | return; | |
7082 | ||
2e161f78 | 7083 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
7084 | if (!hdr) { |
7085 | nlmsg_free(msg); | |
7086 | return; | |
7087 | } | |
7088 | ||
7089 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7090 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7091 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
7092 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
7093 | if (ack) | |
7094 | NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); | |
7095 | ||
7096 | if (genlmsg_end(msg, hdr) < 0) { | |
7097 | nlmsg_free(msg); | |
7098 | return; | |
7099 | } | |
7100 | ||
7101 | genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); | |
7102 | return; | |
7103 | ||
7104 | nla_put_failure: | |
7105 | genlmsg_cancel(msg, hdr); | |
7106 | nlmsg_free(msg); | |
7107 | } | |
7108 | ||
d6dc1a38 JO |
7109 | void |
7110 | nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, | |
7111 | struct net_device *netdev, | |
7112 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
7113 | gfp_t gfp) | |
7114 | { | |
7115 | struct sk_buff *msg; | |
7116 | struct nlattr *pinfoattr; | |
7117 | void *hdr; | |
7118 | ||
7119 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7120 | if (!msg) | |
7121 | return; | |
7122 | ||
7123 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
7124 | if (!hdr) { | |
7125 | nlmsg_free(msg); | |
7126 | return; | |
7127 | } | |
7128 | ||
7129 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7130 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7131 | ||
7132 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
7133 | if (!pinfoattr) | |
7134 | goto nla_put_failure; | |
7135 | ||
7136 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
7137 | rssi_event); | |
7138 | ||
7139 | nla_nest_end(msg, pinfoattr); | |
7140 | ||
7141 | if (genlmsg_end(msg, hdr) < 0) { | |
7142 | nlmsg_free(msg); | |
7143 | return; | |
7144 | } | |
7145 | ||
7146 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7147 | nl80211_mlme_mcgrp.id, gfp); | |
7148 | return; | |
7149 | ||
7150 | nla_put_failure: | |
7151 | genlmsg_cancel(msg, hdr); | |
7152 | nlmsg_free(msg); | |
7153 | } | |
7154 | ||
e5497d76 JB |
7155 | void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
7156 | struct net_device *netdev, const u8 *bssid, | |
7157 | const u8 *replay_ctr, gfp_t gfp) | |
7158 | { | |
7159 | struct sk_buff *msg; | |
7160 | struct nlattr *rekey_attr; | |
7161 | void *hdr; | |
7162 | ||
7163 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7164 | if (!msg) | |
7165 | return; | |
7166 | ||
7167 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
7168 | if (!hdr) { | |
7169 | nlmsg_free(msg); | |
7170 | return; | |
7171 | } | |
7172 | ||
7173 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7174 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7175 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7176 | ||
7177 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
7178 | if (!rekey_attr) | |
7179 | goto nla_put_failure; | |
7180 | ||
7181 | NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, | |
7182 | NL80211_REPLAY_CTR_LEN, replay_ctr); | |
7183 | ||
7184 | nla_nest_end(msg, rekey_attr); | |
7185 | ||
7186 | if (genlmsg_end(msg, hdr) < 0) { | |
7187 | nlmsg_free(msg); | |
7188 | return; | |
7189 | } | |
7190 | ||
7191 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7192 | nl80211_mlme_mcgrp.id, gfp); | |
7193 | return; | |
7194 | ||
7195 | nla_put_failure: | |
7196 | genlmsg_cancel(msg, hdr); | |
7197 | nlmsg_free(msg); | |
7198 | } | |
7199 | ||
c063dbf5 JB |
7200 | void |
7201 | nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, | |
7202 | struct net_device *netdev, const u8 *peer, | |
7203 | u32 num_packets, gfp_t gfp) | |
7204 | { | |
7205 | struct sk_buff *msg; | |
7206 | struct nlattr *pinfoattr; | |
7207 | void *hdr; | |
7208 | ||
7209 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7210 | if (!msg) | |
7211 | return; | |
7212 | ||
7213 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
7214 | if (!hdr) { | |
7215 | nlmsg_free(msg); | |
7216 | return; | |
7217 | } | |
7218 | ||
7219 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7220 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7221 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); | |
7222 | ||
7223 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
7224 | if (!pinfoattr) | |
7225 | goto nla_put_failure; | |
7226 | ||
7227 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets); | |
7228 | ||
7229 | nla_nest_end(msg, pinfoattr); | |
7230 | ||
7231 | if (genlmsg_end(msg, hdr) < 0) { | |
7232 | nlmsg_free(msg); | |
7233 | return; | |
7234 | } | |
7235 | ||
7236 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7237 | nl80211_mlme_mcgrp.id, gfp); | |
7238 | return; | |
7239 | ||
7240 | nla_put_failure: | |
7241 | genlmsg_cancel(msg, hdr); | |
7242 | nlmsg_free(msg); | |
7243 | } | |
7244 | ||
026331c4 JM |
7245 | static int nl80211_netlink_notify(struct notifier_block * nb, |
7246 | unsigned long state, | |
7247 | void *_notify) | |
7248 | { | |
7249 | struct netlink_notify *notify = _notify; | |
7250 | struct cfg80211_registered_device *rdev; | |
7251 | struct wireless_dev *wdev; | |
7252 | ||
7253 | if (state != NETLINK_URELEASE) | |
7254 | return NOTIFY_DONE; | |
7255 | ||
7256 | rcu_read_lock(); | |
7257 | ||
7258 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) | |
7259 | list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) | |
2e161f78 | 7260 | cfg80211_mlme_unregister_socket(wdev, notify->pid); |
026331c4 JM |
7261 | |
7262 | rcu_read_unlock(); | |
7263 | ||
7264 | return NOTIFY_DONE; | |
7265 | } | |
7266 | ||
7267 | static struct notifier_block nl80211_netlink_notifier = { | |
7268 | .notifier_call = nl80211_netlink_notify, | |
7269 | }; | |
7270 | ||
55682965 JB |
7271 | /* initialisation/exit functions */ |
7272 | ||
7273 | int nl80211_init(void) | |
7274 | { | |
0d63cbb5 | 7275 | int err; |
55682965 | 7276 | |
0d63cbb5 MM |
7277 | err = genl_register_family_with_ops(&nl80211_fam, |
7278 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); | |
55682965 JB |
7279 | if (err) |
7280 | return err; | |
7281 | ||
55682965 JB |
7282 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
7283 | if (err) | |
7284 | goto err_out; | |
7285 | ||
2a519311 JB |
7286 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
7287 | if (err) | |
7288 | goto err_out; | |
7289 | ||
73d54c9e LR |
7290 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
7291 | if (err) | |
7292 | goto err_out; | |
7293 | ||
6039f6d2 JM |
7294 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
7295 | if (err) | |
7296 | goto err_out; | |
7297 | ||
aff89a9b JB |
7298 | #ifdef CONFIG_NL80211_TESTMODE |
7299 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); | |
7300 | if (err) | |
7301 | goto err_out; | |
7302 | #endif | |
7303 | ||
026331c4 JM |
7304 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
7305 | if (err) | |
7306 | goto err_out; | |
7307 | ||
55682965 JB |
7308 | return 0; |
7309 | err_out: | |
7310 | genl_unregister_family(&nl80211_fam); | |
7311 | return err; | |
7312 | } | |
7313 | ||
7314 | void nl80211_exit(void) | |
7315 | { | |
026331c4 | 7316 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
7317 | genl_unregister_family(&nl80211_fam); |
7318 | } |