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Commit | Line | Data |
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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 }, | |
f4b34b55 | 192 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
55682965 JB |
193 | }; |
194 | ||
e31b8213 | 195 | /* policy for the key attributes */ |
b54452b0 | 196 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 197 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
198 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
199 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
200 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 }, | |
201 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
202 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 203 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
204 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
205 | }; | |
206 | ||
207 | /* policy for the key default flags */ | |
208 | static const struct nla_policy | |
209 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
210 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
211 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
212 | }; |
213 | ||
ff1b6e69 JB |
214 | /* policy for WoWLAN attributes */ |
215 | static const struct nla_policy | |
216 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
217 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
218 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
219 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
220 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
221 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
222 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
223 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
224 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
ff1b6e69 JB |
225 | }; |
226 | ||
e5497d76 JB |
227 | /* policy for GTK rekey offload attributes */ |
228 | static const struct nla_policy | |
229 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
230 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
231 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
232 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
233 | }; | |
234 | ||
a043897a HS |
235 | /* ifidx get helper */ |
236 | static int nl80211_get_ifidx(struct netlink_callback *cb) | |
237 | { | |
238 | int res; | |
239 | ||
240 | res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
241 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
242 | nl80211_policy); | |
243 | if (res) | |
244 | return res; | |
245 | ||
246 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) | |
247 | return -EINVAL; | |
248 | ||
249 | res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); | |
250 | if (!res) | |
251 | return -EINVAL; | |
252 | return res; | |
253 | } | |
254 | ||
67748893 JB |
255 | static int nl80211_prepare_netdev_dump(struct sk_buff *skb, |
256 | struct netlink_callback *cb, | |
257 | struct cfg80211_registered_device **rdev, | |
258 | struct net_device **dev) | |
259 | { | |
260 | int ifidx = cb->args[0]; | |
261 | int err; | |
262 | ||
263 | if (!ifidx) | |
264 | ifidx = nl80211_get_ifidx(cb); | |
265 | if (ifidx < 0) | |
266 | return ifidx; | |
267 | ||
268 | cb->args[0] = ifidx; | |
269 | ||
270 | rtnl_lock(); | |
271 | ||
272 | *dev = __dev_get_by_index(sock_net(skb->sk), ifidx); | |
273 | if (!*dev) { | |
274 | err = -ENODEV; | |
275 | goto out_rtnl; | |
276 | } | |
277 | ||
278 | *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); | |
3cc25e51 FF |
279 | if (IS_ERR(*rdev)) { |
280 | err = PTR_ERR(*rdev); | |
67748893 JB |
281 | goto out_rtnl; |
282 | } | |
283 | ||
284 | return 0; | |
285 | out_rtnl: | |
286 | rtnl_unlock(); | |
287 | return err; | |
288 | } | |
289 | ||
290 | static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev) | |
291 | { | |
292 | cfg80211_unlock_rdev(rdev); | |
293 | rtnl_unlock(); | |
294 | } | |
295 | ||
f4a11bb0 JB |
296 | /* IE validation */ |
297 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
298 | { | |
299 | const u8 *pos; | |
300 | int len; | |
301 | ||
302 | if (!attr) | |
303 | return true; | |
304 | ||
305 | pos = nla_data(attr); | |
306 | len = nla_len(attr); | |
307 | ||
308 | while (len) { | |
309 | u8 elemlen; | |
310 | ||
311 | if (len < 2) | |
312 | return false; | |
313 | len -= 2; | |
314 | ||
315 | elemlen = pos[1]; | |
316 | if (elemlen > len) | |
317 | return false; | |
318 | ||
319 | len -= elemlen; | |
320 | pos += 2 + elemlen; | |
321 | } | |
322 | ||
323 | return true; | |
324 | } | |
325 | ||
55682965 JB |
326 | /* message building helper */ |
327 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, | |
328 | int flags, u8 cmd) | |
329 | { | |
330 | /* since there is no private header just add the generic one */ | |
331 | return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); | |
332 | } | |
333 | ||
5dab3b8a LR |
334 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
335 | struct ieee80211_channel *chan) | |
336 | { | |
337 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, | |
338 | chan->center_freq); | |
339 | ||
340 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
341 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); | |
342 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
343 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); | |
344 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) | |
345 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); | |
346 | if (chan->flags & IEEE80211_CHAN_RADAR) | |
347 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); | |
348 | ||
349 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, | |
350 | DBM_TO_MBM(chan->max_power)); | |
351 | ||
352 | return 0; | |
353 | ||
354 | nla_put_failure: | |
355 | return -ENOBUFS; | |
356 | } | |
357 | ||
55682965 JB |
358 | /* netlink command implementations */ |
359 | ||
b9454e83 JB |
360 | struct key_parse { |
361 | struct key_params p; | |
362 | int idx; | |
e31b8213 | 363 | int type; |
b9454e83 | 364 | bool def, defmgmt; |
dbd2fd65 | 365 | bool def_uni, def_multi; |
b9454e83 JB |
366 | }; |
367 | ||
368 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
369 | { | |
370 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
371 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
372 | nl80211_key_policy); | |
373 | if (err) | |
374 | return err; | |
375 | ||
376 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
377 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
378 | ||
dbd2fd65 JB |
379 | if (k->def) { |
380 | k->def_uni = true; | |
381 | k->def_multi = true; | |
382 | } | |
383 | if (k->defmgmt) | |
384 | k->def_multi = true; | |
385 | ||
b9454e83 JB |
386 | if (tb[NL80211_KEY_IDX]) |
387 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
388 | ||
389 | if (tb[NL80211_KEY_DATA]) { | |
390 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
391 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
392 | } | |
393 | ||
394 | if (tb[NL80211_KEY_SEQ]) { | |
395 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
396 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
397 | } | |
398 | ||
399 | if (tb[NL80211_KEY_CIPHER]) | |
400 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
401 | ||
e31b8213 JB |
402 | if (tb[NL80211_KEY_TYPE]) { |
403 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
404 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
405 | return -EINVAL; | |
406 | } | |
407 | ||
dbd2fd65 JB |
408 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
409 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
410 | int err = nla_parse_nested(kdt, | |
411 | NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
412 | tb[NL80211_KEY_DEFAULT_TYPES], | |
413 | nl80211_key_default_policy); | |
414 | if (err) | |
415 | return err; | |
416 | ||
417 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
418 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
419 | } | |
420 | ||
b9454e83 JB |
421 | return 0; |
422 | } | |
423 | ||
424 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
425 | { | |
426 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
427 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
428 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
429 | } | |
430 | ||
431 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
432 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
433 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
434 | } | |
435 | ||
436 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
437 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
438 | ||
439 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
440 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
441 | ||
442 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
443 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
444 | ||
dbd2fd65 JB |
445 | if (k->def) { |
446 | k->def_uni = true; | |
447 | k->def_multi = true; | |
448 | } | |
449 | if (k->defmgmt) | |
450 | k->def_multi = true; | |
451 | ||
e31b8213 JB |
452 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
453 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
454 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
455 | return -EINVAL; | |
456 | } | |
457 | ||
dbd2fd65 JB |
458 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
459 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
460 | int err = nla_parse_nested( | |
461 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
462 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
463 | nl80211_key_default_policy); | |
464 | if (err) | |
465 | return err; | |
466 | ||
467 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
468 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
469 | } | |
470 | ||
b9454e83 JB |
471 | return 0; |
472 | } | |
473 | ||
474 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
475 | { | |
476 | int err; | |
477 | ||
478 | memset(k, 0, sizeof(*k)); | |
479 | k->idx = -1; | |
e31b8213 | 480 | k->type = -1; |
b9454e83 JB |
481 | |
482 | if (info->attrs[NL80211_ATTR_KEY]) | |
483 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
484 | else | |
485 | err = nl80211_parse_key_old(info, k); | |
486 | ||
487 | if (err) | |
488 | return err; | |
489 | ||
490 | if (k->def && k->defmgmt) | |
491 | return -EINVAL; | |
492 | ||
dbd2fd65 JB |
493 | if (k->defmgmt) { |
494 | if (k->def_uni || !k->def_multi) | |
495 | return -EINVAL; | |
496 | } | |
497 | ||
b9454e83 JB |
498 | if (k->idx != -1) { |
499 | if (k->defmgmt) { | |
500 | if (k->idx < 4 || k->idx > 5) | |
501 | return -EINVAL; | |
502 | } else if (k->def) { | |
503 | if (k->idx < 0 || k->idx > 3) | |
504 | return -EINVAL; | |
505 | } else { | |
506 | if (k->idx < 0 || k->idx > 5) | |
507 | return -EINVAL; | |
508 | } | |
509 | } | |
510 | ||
511 | return 0; | |
512 | } | |
513 | ||
fffd0934 JB |
514 | static struct cfg80211_cached_keys * |
515 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
516 | struct nlattr *keys) | |
517 | { | |
518 | struct key_parse parse; | |
519 | struct nlattr *key; | |
520 | struct cfg80211_cached_keys *result; | |
521 | int rem, err, def = 0; | |
522 | ||
523 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
524 | if (!result) | |
525 | return ERR_PTR(-ENOMEM); | |
526 | ||
527 | result->def = -1; | |
528 | result->defmgmt = -1; | |
529 | ||
530 | nla_for_each_nested(key, keys, rem) { | |
531 | memset(&parse, 0, sizeof(parse)); | |
532 | parse.idx = -1; | |
533 | ||
534 | err = nl80211_parse_key_new(key, &parse); | |
535 | if (err) | |
536 | goto error; | |
537 | err = -EINVAL; | |
538 | if (!parse.p.key) | |
539 | goto error; | |
540 | if (parse.idx < 0 || parse.idx > 4) | |
541 | goto error; | |
542 | if (parse.def) { | |
543 | if (def) | |
544 | goto error; | |
545 | def = 1; | |
546 | result->def = parse.idx; | |
dbd2fd65 JB |
547 | if (!parse.def_uni || !parse.def_multi) |
548 | goto error; | |
fffd0934 JB |
549 | } else if (parse.defmgmt) |
550 | goto error; | |
551 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 552 | parse.idx, false, NULL); |
fffd0934 JB |
553 | if (err) |
554 | goto error; | |
555 | result->params[parse.idx].cipher = parse.p.cipher; | |
556 | result->params[parse.idx].key_len = parse.p.key_len; | |
557 | result->params[parse.idx].key = result->data[parse.idx]; | |
558 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
559 | } | |
560 | ||
561 | return result; | |
562 | error: | |
563 | kfree(result); | |
564 | return ERR_PTR(err); | |
565 | } | |
566 | ||
567 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
568 | { | |
569 | ASSERT_WDEV_LOCK(wdev); | |
570 | ||
fffd0934 JB |
571 | switch (wdev->iftype) { |
572 | case NL80211_IFTYPE_AP: | |
573 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 574 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 575 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
576 | break; |
577 | case NL80211_IFTYPE_ADHOC: | |
578 | if (!wdev->current_bss) | |
579 | return -ENOLINK; | |
580 | break; | |
581 | case NL80211_IFTYPE_STATION: | |
074ac8df | 582 | case NL80211_IFTYPE_P2P_CLIENT: |
fffd0934 JB |
583 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
584 | return -ENOLINK; | |
585 | break; | |
586 | default: | |
587 | return -EINVAL; | |
588 | } | |
589 | ||
590 | return 0; | |
591 | } | |
592 | ||
7527a782 JB |
593 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
594 | { | |
595 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
596 | int i; | |
597 | ||
598 | if (!nl_modes) | |
599 | goto nla_put_failure; | |
600 | ||
601 | i = 0; | |
602 | while (ifmodes) { | |
603 | if (ifmodes & 1) | |
604 | NLA_PUT_FLAG(msg, i); | |
605 | ifmodes >>= 1; | |
606 | i++; | |
607 | } | |
608 | ||
609 | nla_nest_end(msg, nl_modes); | |
610 | return 0; | |
611 | ||
612 | nla_put_failure: | |
613 | return -ENOBUFS; | |
614 | } | |
615 | ||
616 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
617 | struct sk_buff *msg) | |
618 | { | |
619 | struct nlattr *nl_combis; | |
620 | int i, j; | |
621 | ||
622 | nl_combis = nla_nest_start(msg, | |
623 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
624 | if (!nl_combis) | |
625 | goto nla_put_failure; | |
626 | ||
627 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
628 | const struct ieee80211_iface_combination *c; | |
629 | struct nlattr *nl_combi, *nl_limits; | |
630 | ||
631 | c = &wiphy->iface_combinations[i]; | |
632 | ||
633 | nl_combi = nla_nest_start(msg, i + 1); | |
634 | if (!nl_combi) | |
635 | goto nla_put_failure; | |
636 | ||
637 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
638 | if (!nl_limits) | |
639 | goto nla_put_failure; | |
640 | ||
641 | for (j = 0; j < c->n_limits; j++) { | |
642 | struct nlattr *nl_limit; | |
643 | ||
644 | nl_limit = nla_nest_start(msg, j + 1); | |
645 | if (!nl_limit) | |
646 | goto nla_put_failure; | |
647 | NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX, | |
648 | c->limits[j].max); | |
649 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, | |
650 | c->limits[j].types)) | |
651 | goto nla_put_failure; | |
652 | nla_nest_end(msg, nl_limit); | |
653 | } | |
654 | ||
655 | nla_nest_end(msg, nl_limits); | |
656 | ||
657 | if (c->beacon_int_infra_match) | |
658 | NLA_PUT_FLAG(msg, | |
659 | NL80211_IFACE_COMB_STA_AP_BI_MATCH); | |
660 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
661 | c->num_different_channels); | |
662 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM, | |
663 | c->max_interfaces); | |
664 | ||
665 | nla_nest_end(msg, nl_combi); | |
666 | } | |
667 | ||
668 | nla_nest_end(msg, nl_combis); | |
669 | ||
670 | return 0; | |
671 | nla_put_failure: | |
672 | return -ENOBUFS; | |
673 | } | |
674 | ||
55682965 JB |
675 | static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, |
676 | struct cfg80211_registered_device *dev) | |
677 | { | |
678 | void *hdr; | |
ee688b00 JB |
679 | struct nlattr *nl_bands, *nl_band; |
680 | struct nlattr *nl_freqs, *nl_freq; | |
681 | struct nlattr *nl_rates, *nl_rate; | |
8fdc621d | 682 | struct nlattr *nl_cmds; |
ee688b00 JB |
683 | enum ieee80211_band band; |
684 | struct ieee80211_channel *chan; | |
685 | struct ieee80211_rate *rate; | |
686 | int i; | |
2e161f78 JB |
687 | const struct ieee80211_txrx_stypes *mgmt_stypes = |
688 | dev->wiphy.mgmt_stypes; | |
55682965 JB |
689 | |
690 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); | |
691 | if (!hdr) | |
692 | return -1; | |
693 | ||
b5850a7a | 694 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx); |
55682965 | 695 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); |
b9a5f8ca | 696 | |
f5ea9120 JB |
697 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, |
698 | cfg80211_rdev_list_generation); | |
699 | ||
b9a5f8ca JM |
700 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, |
701 | dev->wiphy.retry_short); | |
702 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
703 | dev->wiphy.retry_long); | |
704 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
705 | dev->wiphy.frag_threshold); | |
706 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
707 | dev->wiphy.rts_threshold); | |
81077e82 LT |
708 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
709 | dev->wiphy.coverage_class); | |
2a519311 JB |
710 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
711 | dev->wiphy.max_scan_ssids); | |
93b6aa69 LC |
712 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
713 | dev->wiphy.max_sched_scan_ssids); | |
18a83659 JB |
714 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
715 | dev->wiphy.max_scan_ie_len); | |
5a865bad LC |
716 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
717 | dev->wiphy.max_sched_scan_ie_len); | |
ee688b00 | 718 | |
e31b8213 JB |
719 | if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) |
720 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN); | |
15d5dda6 JC |
721 | if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) |
722 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH); | |
e31b8213 | 723 | |
f4b34b55 VN |
724 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) |
725 | NLA_PUT_FLAG(msg, NL80211_ATTR_ROAM_SUPPORT); | |
726 | ||
25e47c18 JB |
727 | NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES, |
728 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
729 | dev->wiphy.cipher_suites); | |
730 | ||
67fbb16b SO |
731 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
732 | dev->wiphy.max_num_pmkids); | |
733 | ||
c0692b8f JB |
734 | if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) |
735 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); | |
736 | ||
39fd5de4 BR |
737 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
738 | dev->wiphy.available_antennas_tx); | |
739 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
740 | dev->wiphy.available_antennas_rx); | |
741 | ||
7f531e03 BR |
742 | if ((dev->wiphy.available_antennas_tx || |
743 | dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { | |
afe0cbf8 BR |
744 | u32 tx_ant = 0, rx_ant = 0; |
745 | int res; | |
746 | res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant); | |
747 | if (!res) { | |
748 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); | |
749 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); | |
750 | } | |
751 | } | |
752 | ||
7527a782 JB |
753 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, |
754 | dev->wiphy.interface_modes)) | |
f59ac048 LR |
755 | goto nla_put_failure; |
756 | ||
ee688b00 JB |
757 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); |
758 | if (!nl_bands) | |
759 | goto nla_put_failure; | |
760 | ||
761 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
762 | if (!dev->wiphy.bands[band]) | |
763 | continue; | |
764 | ||
765 | nl_band = nla_nest_start(msg, band); | |
766 | if (!nl_band) | |
767 | goto nla_put_failure; | |
768 | ||
d51626df JB |
769 | /* add HT info */ |
770 | if (dev->wiphy.bands[band]->ht_cap.ht_supported) { | |
771 | NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
772 | sizeof(dev->wiphy.bands[band]->ht_cap.mcs), | |
773 | &dev->wiphy.bands[band]->ht_cap.mcs); | |
774 | NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
775 | dev->wiphy.bands[band]->ht_cap.cap); | |
776 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
777 | dev->wiphy.bands[band]->ht_cap.ampdu_factor); | |
778 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
779 | dev->wiphy.bands[band]->ht_cap.ampdu_density); | |
780 | } | |
781 | ||
ee688b00 JB |
782 | /* add frequencies */ |
783 | nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); | |
784 | if (!nl_freqs) | |
785 | goto nla_put_failure; | |
786 | ||
787 | for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { | |
788 | nl_freq = nla_nest_start(msg, i); | |
789 | if (!nl_freq) | |
790 | goto nla_put_failure; | |
791 | ||
792 | chan = &dev->wiphy.bands[band]->channels[i]; | |
5dab3b8a LR |
793 | |
794 | if (nl80211_msg_put_channel(msg, chan)) | |
795 | goto nla_put_failure; | |
e2f367f2 | 796 | |
ee688b00 JB |
797 | nla_nest_end(msg, nl_freq); |
798 | } | |
799 | ||
800 | nla_nest_end(msg, nl_freqs); | |
801 | ||
802 | /* add bitrates */ | |
803 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
804 | if (!nl_rates) | |
805 | goto nla_put_failure; | |
806 | ||
807 | for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { | |
808 | nl_rate = nla_nest_start(msg, i); | |
809 | if (!nl_rate) | |
810 | goto nla_put_failure; | |
811 | ||
812 | rate = &dev->wiphy.bands[band]->bitrates[i]; | |
813 | NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, | |
814 | rate->bitrate); | |
815 | if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) | |
816 | NLA_PUT_FLAG(msg, | |
817 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); | |
818 | ||
819 | nla_nest_end(msg, nl_rate); | |
820 | } | |
821 | ||
822 | nla_nest_end(msg, nl_rates); | |
823 | ||
824 | nla_nest_end(msg, nl_band); | |
825 | } | |
826 | nla_nest_end(msg, nl_bands); | |
827 | ||
8fdc621d JB |
828 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); |
829 | if (!nl_cmds) | |
830 | goto nla_put_failure; | |
831 | ||
832 | i = 0; | |
833 | #define CMD(op, n) \ | |
834 | do { \ | |
835 | if (dev->ops->op) { \ | |
836 | i++; \ | |
837 | NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \ | |
838 | } \ | |
839 | } while (0) | |
840 | ||
841 | CMD(add_virtual_intf, NEW_INTERFACE); | |
842 | CMD(change_virtual_intf, SET_INTERFACE); | |
843 | CMD(add_key, NEW_KEY); | |
844 | CMD(add_beacon, NEW_BEACON); | |
845 | CMD(add_station, NEW_STATION); | |
846 | CMD(add_mpath, NEW_MPATH); | |
24bdd9f4 | 847 | CMD(update_mesh_config, SET_MESH_CONFIG); |
8fdc621d | 848 | CMD(change_bss, SET_BSS); |
636a5d36 JM |
849 | CMD(auth, AUTHENTICATE); |
850 | CMD(assoc, ASSOCIATE); | |
851 | CMD(deauth, DEAUTHENTICATE); | |
852 | CMD(disassoc, DISASSOCIATE); | |
04a773ad | 853 | CMD(join_ibss, JOIN_IBSS); |
29cbe68c | 854 | CMD(join_mesh, JOIN_MESH); |
67fbb16b SO |
855 | CMD(set_pmksa, SET_PMKSA); |
856 | CMD(del_pmksa, DEL_PMKSA); | |
857 | CMD(flush_pmksa, FLUSH_PMKSA); | |
9588bbd5 | 858 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
13ae75b1 | 859 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); |
2e161f78 | 860 | CMD(mgmt_tx, FRAME); |
f7ca38df | 861 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); |
5be83de5 | 862 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
463d0183 JB |
863 | i++; |
864 | NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS); | |
865 | } | |
f444de05 | 866 | CMD(set_channel, SET_CHANNEL); |
e8347eba | 867 | CMD(set_wds_peer, SET_WDS_PEER); |
807f8a8c LC |
868 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
869 | CMD(sched_scan_start, START_SCHED_SCAN); | |
8fdc621d JB |
870 | |
871 | #undef CMD | |
b23aa676 | 872 | |
6829c878 | 873 | if (dev->ops->connect || dev->ops->auth) { |
b23aa676 SO |
874 | i++; |
875 | NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT); | |
876 | } | |
877 | ||
6829c878 | 878 | if (dev->ops->disconnect || dev->ops->deauth) { |
b23aa676 SO |
879 | i++; |
880 | NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT); | |
881 | } | |
882 | ||
8fdc621d JB |
883 | nla_nest_end(msg, nl_cmds); |
884 | ||
a293911d JB |
885 | if (dev->ops->remain_on_channel) |
886 | NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
887 | dev->wiphy.max_remain_on_channel_duration); | |
888 | ||
d2da5878 | 889 | if (dev->ops->mgmt_tx_cancel_wait) |
f7ca38df JB |
890 | NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); |
891 | ||
2e161f78 JB |
892 | if (mgmt_stypes) { |
893 | u16 stypes; | |
894 | struct nlattr *nl_ftypes, *nl_ifs; | |
895 | enum nl80211_iftype ift; | |
896 | ||
897 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); | |
898 | if (!nl_ifs) | |
899 | goto nla_put_failure; | |
900 | ||
901 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
902 | nl_ftypes = nla_nest_start(msg, ift); | |
903 | if (!nl_ftypes) | |
904 | goto nla_put_failure; | |
905 | i = 0; | |
906 | stypes = mgmt_stypes[ift].tx; | |
907 | while (stypes) { | |
908 | if (stypes & 1) | |
909 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
910 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
911 | stypes >>= 1; | |
912 | i++; | |
913 | } | |
914 | nla_nest_end(msg, nl_ftypes); | |
915 | } | |
916 | ||
74b70a4e JB |
917 | nla_nest_end(msg, nl_ifs); |
918 | ||
2e161f78 JB |
919 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
920 | if (!nl_ifs) | |
921 | goto nla_put_failure; | |
922 | ||
923 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
924 | nl_ftypes = nla_nest_start(msg, ift); | |
925 | if (!nl_ftypes) | |
926 | goto nla_put_failure; | |
927 | i = 0; | |
928 | stypes = mgmt_stypes[ift].rx; | |
929 | while (stypes) { | |
930 | if (stypes & 1) | |
931 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
932 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
933 | stypes >>= 1; | |
934 | i++; | |
935 | } | |
936 | nla_nest_end(msg, nl_ftypes); | |
937 | } | |
938 | nla_nest_end(msg, nl_ifs); | |
939 | } | |
940 | ||
ff1b6e69 JB |
941 | if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) { |
942 | struct nlattr *nl_wowlan; | |
943 | ||
944 | nl_wowlan = nla_nest_start(msg, | |
945 | NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); | |
946 | if (!nl_wowlan) | |
947 | goto nla_put_failure; | |
948 | ||
949 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) | |
950 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
951 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) | |
952 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
953 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) | |
954 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
77dbbb13 JB |
955 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) |
956 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED); | |
957 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) | |
958 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
959 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) | |
960 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
961 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) | |
962 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
963 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) | |
964 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
ff1b6e69 JB |
965 | if (dev->wiphy.wowlan.n_patterns) { |
966 | struct nl80211_wowlan_pattern_support pat = { | |
967 | .max_patterns = dev->wiphy.wowlan.n_patterns, | |
968 | .min_pattern_len = | |
969 | dev->wiphy.wowlan.pattern_min_len, | |
970 | .max_pattern_len = | |
971 | dev->wiphy.wowlan.pattern_max_len, | |
972 | }; | |
973 | NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
974 | sizeof(pat), &pat); | |
975 | } | |
976 | ||
977 | nla_nest_end(msg, nl_wowlan); | |
978 | } | |
979 | ||
7527a782 JB |
980 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, |
981 | dev->wiphy.software_iftypes)) | |
982 | goto nla_put_failure; | |
983 | ||
984 | if (nl80211_put_iface_combinations(&dev->wiphy, msg)) | |
985 | goto nla_put_failure; | |
986 | ||
55682965 JB |
987 | return genlmsg_end(msg, hdr); |
988 | ||
989 | nla_put_failure: | |
bc3ed28c TG |
990 | genlmsg_cancel(msg, hdr); |
991 | return -EMSGSIZE; | |
55682965 JB |
992 | } |
993 | ||
994 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) | |
995 | { | |
996 | int idx = 0; | |
997 | int start = cb->args[0]; | |
998 | struct cfg80211_registered_device *dev; | |
999 | ||
a1794390 | 1000 | mutex_lock(&cfg80211_mutex); |
79c97e97 | 1001 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1002 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1003 | continue; | |
b4637271 | 1004 | if (++idx <= start) |
55682965 JB |
1005 | continue; |
1006 | if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, | |
1007 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
b4637271 JV |
1008 | dev) < 0) { |
1009 | idx--; | |
55682965 | 1010 | break; |
b4637271 | 1011 | } |
55682965 | 1012 | } |
a1794390 | 1013 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1014 | |
1015 | cb->args[0] = idx; | |
1016 | ||
1017 | return skb->len; | |
1018 | } | |
1019 | ||
1020 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) | |
1021 | { | |
1022 | struct sk_buff *msg; | |
4c476991 | 1023 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
55682965 | 1024 | |
fd2120ca | 1025 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1026 | if (!msg) |
4c476991 | 1027 | return -ENOMEM; |
55682965 | 1028 | |
4c476991 JB |
1029 | if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { |
1030 | nlmsg_free(msg); | |
1031 | return -ENOBUFS; | |
1032 | } | |
55682965 | 1033 | |
134e6375 | 1034 | return genlmsg_reply(msg, info); |
55682965 JB |
1035 | } |
1036 | ||
31888487 JM |
1037 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1038 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1039 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1040 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1041 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1042 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1043 | }; | |
1044 | ||
1045 | static int parse_txq_params(struct nlattr *tb[], | |
1046 | struct ieee80211_txq_params *txq_params) | |
1047 | { | |
1048 | if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] || | |
1049 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || | |
1050 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1051 | return -EINVAL; | |
1052 | ||
1053 | txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]); | |
1054 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); | |
1055 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1056 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1057 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1058 | ||
1059 | return 0; | |
1060 | } | |
1061 | ||
f444de05 JB |
1062 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1063 | { | |
1064 | /* | |
1065 | * You can only set the channel explicitly for AP, mesh | |
1066 | * and WDS type interfaces; all others have their channel | |
1067 | * managed via their respective "establish a connection" | |
1068 | * command (connect, join, ...) | |
1069 | * | |
1070 | * Monitors are special as they are normally slaved to | |
1071 | * whatever else is going on, so they behave as though | |
1072 | * you tried setting the wiphy channel itself. | |
1073 | */ | |
1074 | return !wdev || | |
1075 | wdev->iftype == NL80211_IFTYPE_AP || | |
1076 | wdev->iftype == NL80211_IFTYPE_WDS || | |
1077 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || | |
074ac8df JB |
1078 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1079 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1080 | } |
1081 | ||
1082 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, | |
1083 | struct wireless_dev *wdev, | |
1084 | struct genl_info *info) | |
1085 | { | |
1086 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
1087 | u32 freq; | |
1088 | int result; | |
1089 | ||
1090 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1091 | return -EINVAL; | |
1092 | ||
1093 | if (!nl80211_can_set_dev_channel(wdev)) | |
1094 | return -EOPNOTSUPP; | |
1095 | ||
1096 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { | |
1097 | channel_type = nla_get_u32(info->attrs[ | |
1098 | NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1099 | if (channel_type != NL80211_CHAN_NO_HT && | |
1100 | channel_type != NL80211_CHAN_HT20 && | |
1101 | channel_type != NL80211_CHAN_HT40PLUS && | |
1102 | channel_type != NL80211_CHAN_HT40MINUS) | |
1103 | return -EINVAL; | |
1104 | } | |
1105 | ||
1106 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1107 | ||
1108 | mutex_lock(&rdev->devlist_mtx); | |
1109 | if (wdev) { | |
1110 | wdev_lock(wdev); | |
1111 | result = cfg80211_set_freq(rdev, wdev, freq, channel_type); | |
1112 | wdev_unlock(wdev); | |
1113 | } else { | |
1114 | result = cfg80211_set_freq(rdev, NULL, freq, channel_type); | |
1115 | } | |
1116 | mutex_unlock(&rdev->devlist_mtx); | |
1117 | ||
1118 | return result; | |
1119 | } | |
1120 | ||
1121 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1122 | { | |
4c476991 JB |
1123 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1124 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1125 | |
4c476991 | 1126 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1127 | } |
1128 | ||
e8347eba BJ |
1129 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1130 | { | |
43b19952 JB |
1131 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1132 | struct net_device *dev = info->user_ptr[1]; | |
1133 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1134 | const u8 *bssid; |
e8347eba BJ |
1135 | |
1136 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1137 | return -EINVAL; | |
1138 | ||
43b19952 JB |
1139 | if (netif_running(dev)) |
1140 | return -EBUSY; | |
e8347eba | 1141 | |
43b19952 JB |
1142 | if (!rdev->ops->set_wds_peer) |
1143 | return -EOPNOTSUPP; | |
e8347eba | 1144 | |
43b19952 JB |
1145 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1146 | return -EOPNOTSUPP; | |
e8347eba BJ |
1147 | |
1148 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
43b19952 | 1149 | return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); |
e8347eba BJ |
1150 | } |
1151 | ||
1152 | ||
55682965 JB |
1153 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1154 | { | |
1155 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1156 | struct net_device *netdev = NULL; |
1157 | struct wireless_dev *wdev; | |
a1e567c8 | 1158 | int result = 0, rem_txq_params = 0; |
31888487 | 1159 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1160 | u32 changed; |
1161 | u8 retry_short = 0, retry_long = 0; | |
1162 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1163 | u8 coverage_class = 0; |
55682965 | 1164 | |
f444de05 JB |
1165 | /* |
1166 | * Try to find the wiphy and netdev. Normally this | |
1167 | * function shouldn't need the netdev, but this is | |
1168 | * done for backward compatibility -- previously | |
1169 | * setting the channel was done per wiphy, but now | |
1170 | * it is per netdev. Previous userland like hostapd | |
1171 | * also passed a netdev to set_wiphy, so that it is | |
1172 | * possible to let that go to the right netdev! | |
1173 | */ | |
4bbf4d56 JB |
1174 | mutex_lock(&cfg80211_mutex); |
1175 | ||
f444de05 JB |
1176 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1177 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1178 | ||
1179 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
1180 | if (netdev && netdev->ieee80211_ptr) { | |
1181 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); | |
1182 | mutex_lock(&rdev->mtx); | |
1183 | } else | |
1184 | netdev = NULL; | |
4bbf4d56 JB |
1185 | } |
1186 | ||
f444de05 JB |
1187 | if (!netdev) { |
1188 | rdev = __cfg80211_rdev_from_info(info); | |
1189 | if (IS_ERR(rdev)) { | |
1190 | mutex_unlock(&cfg80211_mutex); | |
4c476991 | 1191 | return PTR_ERR(rdev); |
f444de05 JB |
1192 | } |
1193 | wdev = NULL; | |
1194 | netdev = NULL; | |
1195 | result = 0; | |
1196 | ||
1197 | mutex_lock(&rdev->mtx); | |
1198 | } else if (netif_running(netdev) && | |
1199 | nl80211_can_set_dev_channel(netdev->ieee80211_ptr)) | |
1200 | wdev = netdev->ieee80211_ptr; | |
1201 | else | |
1202 | wdev = NULL; | |
1203 | ||
1204 | /* | |
1205 | * end workaround code, by now the rdev is available | |
1206 | * and locked, and wdev may or may not be NULL. | |
1207 | */ | |
4bbf4d56 JB |
1208 | |
1209 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1210 | result = cfg80211_dev_rename( |
1211 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 JB |
1212 | |
1213 | mutex_unlock(&cfg80211_mutex); | |
1214 | ||
1215 | if (result) | |
1216 | goto bad_res; | |
31888487 JM |
1217 | |
1218 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1219 | struct ieee80211_txq_params txq_params; | |
1220 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1221 | ||
1222 | if (!rdev->ops->set_txq_params) { | |
1223 | result = -EOPNOTSUPP; | |
1224 | goto bad_res; | |
1225 | } | |
1226 | ||
1227 | nla_for_each_nested(nl_txq_params, | |
1228 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
1229 | rem_txq_params) { | |
1230 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
1231 | nla_data(nl_txq_params), | |
1232 | nla_len(nl_txq_params), | |
1233 | txq_params_policy); | |
1234 | result = parse_txq_params(tb, &txq_params); | |
1235 | if (result) | |
1236 | goto bad_res; | |
1237 | ||
1238 | result = rdev->ops->set_txq_params(&rdev->wiphy, | |
1239 | &txq_params); | |
1240 | if (result) | |
1241 | goto bad_res; | |
1242 | } | |
1243 | } | |
55682965 | 1244 | |
72bdcf34 | 1245 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
f444de05 | 1246 | result = __nl80211_set_channel(rdev, wdev, info); |
72bdcf34 JM |
1247 | if (result) |
1248 | goto bad_res; | |
1249 | } | |
1250 | ||
98d2ff8b JO |
1251 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
1252 | enum nl80211_tx_power_setting type; | |
1253 | int idx, mbm = 0; | |
1254 | ||
1255 | if (!rdev->ops->set_tx_power) { | |
60ea385f | 1256 | result = -EOPNOTSUPP; |
98d2ff8b JO |
1257 | goto bad_res; |
1258 | } | |
1259 | ||
1260 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
1261 | type = nla_get_u32(info->attrs[idx]); | |
1262 | ||
1263 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
1264 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
1265 | result = -EINVAL; | |
1266 | goto bad_res; | |
1267 | } | |
1268 | ||
1269 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
1270 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
1271 | mbm = nla_get_u32(info->attrs[idx]); | |
1272 | } | |
1273 | ||
1274 | result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm); | |
1275 | if (result) | |
1276 | goto bad_res; | |
1277 | } | |
1278 | ||
afe0cbf8 BR |
1279 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
1280 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
1281 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
1282 | if ((!rdev->wiphy.available_antennas_tx && |
1283 | !rdev->wiphy.available_antennas_rx) || | |
1284 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
1285 | result = -EOPNOTSUPP; |
1286 | goto bad_res; | |
1287 | } | |
1288 | ||
1289 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
1290 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
1291 | ||
a7ffac95 | 1292 | /* reject antenna configurations which don't match the |
7f531e03 BR |
1293 | * available antenna masks, except for the "all" mask */ |
1294 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
1295 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
1296 | result = -EINVAL; |
1297 | goto bad_res; | |
1298 | } | |
1299 | ||
7f531e03 BR |
1300 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
1301 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 1302 | |
afe0cbf8 BR |
1303 | result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); |
1304 | if (result) | |
1305 | goto bad_res; | |
1306 | } | |
1307 | ||
b9a5f8ca JM |
1308 | changed = 0; |
1309 | ||
1310 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
1311 | retry_short = nla_get_u8( | |
1312 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
1313 | if (retry_short == 0) { | |
1314 | result = -EINVAL; | |
1315 | goto bad_res; | |
1316 | } | |
1317 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
1318 | } | |
1319 | ||
1320 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
1321 | retry_long = nla_get_u8( | |
1322 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
1323 | if (retry_long == 0) { | |
1324 | result = -EINVAL; | |
1325 | goto bad_res; | |
1326 | } | |
1327 | changed |= WIPHY_PARAM_RETRY_LONG; | |
1328 | } | |
1329 | ||
1330 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
1331 | frag_threshold = nla_get_u32( | |
1332 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
1333 | if (frag_threshold < 256) { | |
1334 | result = -EINVAL; | |
1335 | goto bad_res; | |
1336 | } | |
1337 | if (frag_threshold != (u32) -1) { | |
1338 | /* | |
1339 | * Fragments (apart from the last one) are required to | |
1340 | * have even length. Make the fragmentation code | |
1341 | * simpler by stripping LSB should someone try to use | |
1342 | * odd threshold value. | |
1343 | */ | |
1344 | frag_threshold &= ~0x1; | |
1345 | } | |
1346 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
1347 | } | |
1348 | ||
1349 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
1350 | rts_threshold = nla_get_u32( | |
1351 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
1352 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
1353 | } | |
1354 | ||
81077e82 LT |
1355 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
1356 | coverage_class = nla_get_u8( | |
1357 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
1358 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
1359 | } | |
1360 | ||
b9a5f8ca JM |
1361 | if (changed) { |
1362 | u8 old_retry_short, old_retry_long; | |
1363 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 1364 | u8 old_coverage_class; |
b9a5f8ca JM |
1365 | |
1366 | if (!rdev->ops->set_wiphy_params) { | |
1367 | result = -EOPNOTSUPP; | |
1368 | goto bad_res; | |
1369 | } | |
1370 | ||
1371 | old_retry_short = rdev->wiphy.retry_short; | |
1372 | old_retry_long = rdev->wiphy.retry_long; | |
1373 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
1374 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 1375 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
1376 | |
1377 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1378 | rdev->wiphy.retry_short = retry_short; | |
1379 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1380 | rdev->wiphy.retry_long = retry_long; | |
1381 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
1382 | rdev->wiphy.frag_threshold = frag_threshold; | |
1383 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
1384 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
1385 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
1386 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca JM |
1387 | |
1388 | result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed); | |
1389 | if (result) { | |
1390 | rdev->wiphy.retry_short = old_retry_short; | |
1391 | rdev->wiphy.retry_long = old_retry_long; | |
1392 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
1393 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 1394 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
1395 | } |
1396 | } | |
72bdcf34 | 1397 | |
306d6112 | 1398 | bad_res: |
4bbf4d56 | 1399 | mutex_unlock(&rdev->mtx); |
f444de05 JB |
1400 | if (netdev) |
1401 | dev_put(netdev); | |
55682965 JB |
1402 | return result; |
1403 | } | |
1404 | ||
1405 | ||
1406 | static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
d726405a | 1407 | struct cfg80211_registered_device *rdev, |
55682965 JB |
1408 | struct net_device *dev) |
1409 | { | |
1410 | void *hdr; | |
1411 | ||
1412 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); | |
1413 | if (!hdr) | |
1414 | return -1; | |
1415 | ||
1416 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
d726405a | 1417 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
55682965 | 1418 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name); |
60719ffd | 1419 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype); |
f5ea9120 JB |
1420 | |
1421 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, | |
1422 | rdev->devlist_generation ^ | |
1423 | (cfg80211_rdev_list_generation << 2)); | |
1424 | ||
55682965 JB |
1425 | return genlmsg_end(msg, hdr); |
1426 | ||
1427 | nla_put_failure: | |
bc3ed28c TG |
1428 | genlmsg_cancel(msg, hdr); |
1429 | return -EMSGSIZE; | |
55682965 JB |
1430 | } |
1431 | ||
1432 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
1433 | { | |
1434 | int wp_idx = 0; | |
1435 | int if_idx = 0; | |
1436 | int wp_start = cb->args[0]; | |
1437 | int if_start = cb->args[1]; | |
f5ea9120 | 1438 | struct cfg80211_registered_device *rdev; |
55682965 JB |
1439 | struct wireless_dev *wdev; |
1440 | ||
a1794390 | 1441 | mutex_lock(&cfg80211_mutex); |
f5ea9120 JB |
1442 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1443 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1444 | continue; |
bba95fef JB |
1445 | if (wp_idx < wp_start) { |
1446 | wp_idx++; | |
55682965 | 1447 | continue; |
bba95fef | 1448 | } |
55682965 JB |
1449 | if_idx = 0; |
1450 | ||
f5ea9120 JB |
1451 | mutex_lock(&rdev->devlist_mtx); |
1452 | list_for_each_entry(wdev, &rdev->netdev_list, list) { | |
bba95fef JB |
1453 | if (if_idx < if_start) { |
1454 | if_idx++; | |
55682965 | 1455 | continue; |
bba95fef | 1456 | } |
55682965 JB |
1457 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, |
1458 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
f5ea9120 JB |
1459 | rdev, wdev->netdev) < 0) { |
1460 | mutex_unlock(&rdev->devlist_mtx); | |
bba95fef JB |
1461 | goto out; |
1462 | } | |
1463 | if_idx++; | |
55682965 | 1464 | } |
f5ea9120 | 1465 | mutex_unlock(&rdev->devlist_mtx); |
bba95fef JB |
1466 | |
1467 | wp_idx++; | |
55682965 | 1468 | } |
bba95fef | 1469 | out: |
a1794390 | 1470 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1471 | |
1472 | cb->args[0] = wp_idx; | |
1473 | cb->args[1] = if_idx; | |
1474 | ||
1475 | return skb->len; | |
1476 | } | |
1477 | ||
1478 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
1479 | { | |
1480 | struct sk_buff *msg; | |
4c476991 JB |
1481 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
1482 | struct net_device *netdev = info->user_ptr[1]; | |
55682965 | 1483 | |
fd2120ca | 1484 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1485 | if (!msg) |
4c476991 | 1486 | return -ENOMEM; |
55682965 | 1487 | |
d726405a | 1488 | if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, |
4c476991 JB |
1489 | dev, netdev) < 0) { |
1490 | nlmsg_free(msg); | |
1491 | return -ENOBUFS; | |
1492 | } | |
55682965 | 1493 | |
134e6375 | 1494 | return genlmsg_reply(msg, info); |
55682965 JB |
1495 | } |
1496 | ||
66f7ac50 MW |
1497 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
1498 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
1499 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
1500 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
1501 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
1502 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
1503 | }; | |
1504 | ||
1505 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
1506 | { | |
1507 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
1508 | int flag; | |
1509 | ||
1510 | *mntrflags = 0; | |
1511 | ||
1512 | if (!nla) | |
1513 | return -EINVAL; | |
1514 | ||
1515 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
1516 | nla, mntr_flags_policy)) | |
1517 | return -EINVAL; | |
1518 | ||
1519 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
1520 | if (flags[flag]) | |
1521 | *mntrflags |= (1<<flag); | |
1522 | ||
1523 | return 0; | |
1524 | } | |
1525 | ||
9bc383de | 1526 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
1527 | struct net_device *netdev, u8 use_4addr, |
1528 | enum nl80211_iftype iftype) | |
9bc383de | 1529 | { |
ad4bb6f8 | 1530 | if (!use_4addr) { |
f350a0a8 | 1531 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 1532 | return -EBUSY; |
9bc383de | 1533 | return 0; |
ad4bb6f8 | 1534 | } |
9bc383de JB |
1535 | |
1536 | switch (iftype) { | |
1537 | case NL80211_IFTYPE_AP_VLAN: | |
1538 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
1539 | return 0; | |
1540 | break; | |
1541 | case NL80211_IFTYPE_STATION: | |
1542 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
1543 | return 0; | |
1544 | break; | |
1545 | default: | |
1546 | break; | |
1547 | } | |
1548 | ||
1549 | return -EOPNOTSUPP; | |
1550 | } | |
1551 | ||
55682965 JB |
1552 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
1553 | { | |
4c476991 | 1554 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1555 | struct vif_params params; |
e36d56b6 | 1556 | int err; |
04a773ad | 1557 | enum nl80211_iftype otype, ntype; |
4c476991 | 1558 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 1559 | u32 _flags, *flags = NULL; |
ac7f9cfa | 1560 | bool change = false; |
55682965 | 1561 | |
2ec600d6 LCC |
1562 | memset(¶ms, 0, sizeof(params)); |
1563 | ||
04a773ad | 1564 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 1565 | |
723b038d | 1566 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 1567 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 1568 | if (otype != ntype) |
ac7f9cfa | 1569 | change = true; |
4c476991 JB |
1570 | if (ntype > NL80211_IFTYPE_MAX) |
1571 | return -EINVAL; | |
723b038d JB |
1572 | } |
1573 | ||
92ffe055 | 1574 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
1575 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
1576 | ||
4c476991 JB |
1577 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
1578 | return -EINVAL; | |
29cbe68c JB |
1579 | if (netif_running(dev)) |
1580 | return -EBUSY; | |
1581 | ||
1582 | wdev_lock(wdev); | |
1583 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1584 | IEEE80211_MAX_MESH_ID_LEN); | |
1585 | wdev->mesh_id_up_len = | |
1586 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1587 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1588 | wdev->mesh_id_up_len); | |
1589 | wdev_unlock(wdev); | |
2ec600d6 LCC |
1590 | } |
1591 | ||
8b787643 FF |
1592 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
1593 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
1594 | change = true; | |
ad4bb6f8 | 1595 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 1596 | if (err) |
4c476991 | 1597 | return err; |
8b787643 FF |
1598 | } else { |
1599 | params.use_4addr = -1; | |
1600 | } | |
1601 | ||
92ffe055 | 1602 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
1603 | if (ntype != NL80211_IFTYPE_MONITOR) |
1604 | return -EINVAL; | |
92ffe055 JB |
1605 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
1606 | &_flags); | |
ac7f9cfa | 1607 | if (err) |
4c476991 | 1608 | return err; |
ac7f9cfa JB |
1609 | |
1610 | flags = &_flags; | |
1611 | change = true; | |
92ffe055 | 1612 | } |
3b85875a | 1613 | |
ac7f9cfa | 1614 | if (change) |
3d54d255 | 1615 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
1616 | else |
1617 | err = 0; | |
60719ffd | 1618 | |
9bc383de JB |
1619 | if (!err && params.use_4addr != -1) |
1620 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
1621 | ||
55682965 JB |
1622 | return err; |
1623 | } | |
1624 | ||
1625 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
1626 | { | |
4c476991 | 1627 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1628 | struct vif_params params; |
f9e10ce4 | 1629 | struct net_device *dev; |
55682965 JB |
1630 | int err; |
1631 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 1632 | u32 flags; |
55682965 | 1633 | |
2ec600d6 LCC |
1634 | memset(¶ms, 0, sizeof(params)); |
1635 | ||
55682965 JB |
1636 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
1637 | return -EINVAL; | |
1638 | ||
1639 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
1640 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
1641 | if (type > NL80211_IFTYPE_MAX) | |
1642 | return -EINVAL; | |
1643 | } | |
1644 | ||
79c97e97 | 1645 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
1646 | !(rdev->wiphy.interface_modes & (1 << type))) |
1647 | return -EOPNOTSUPP; | |
55682965 | 1648 | |
9bc383de | 1649 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 1650 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 1651 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 1652 | if (err) |
4c476991 | 1653 | return err; |
9bc383de | 1654 | } |
8b787643 | 1655 | |
66f7ac50 MW |
1656 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
1657 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
1658 | &flags); | |
f9e10ce4 | 1659 | dev = rdev->ops->add_virtual_intf(&rdev->wiphy, |
66f7ac50 | 1660 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), |
2ec600d6 | 1661 | type, err ? NULL : &flags, ¶ms); |
f9e10ce4 JB |
1662 | if (IS_ERR(dev)) |
1663 | return PTR_ERR(dev); | |
2ec600d6 | 1664 | |
29cbe68c JB |
1665 | if (type == NL80211_IFTYPE_MESH_POINT && |
1666 | info->attrs[NL80211_ATTR_MESH_ID]) { | |
1667 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
1668 | ||
1669 | wdev_lock(wdev); | |
1670 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1671 | IEEE80211_MAX_MESH_ID_LEN); | |
1672 | wdev->mesh_id_up_len = | |
1673 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1674 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1675 | wdev->mesh_id_up_len); | |
1676 | wdev_unlock(wdev); | |
1677 | } | |
1678 | ||
f9e10ce4 | 1679 | return 0; |
55682965 JB |
1680 | } |
1681 | ||
1682 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
1683 | { | |
4c476991 JB |
1684 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1685 | struct net_device *dev = info->user_ptr[1]; | |
55682965 | 1686 | |
4c476991 JB |
1687 | if (!rdev->ops->del_virtual_intf) |
1688 | return -EOPNOTSUPP; | |
55682965 | 1689 | |
4c476991 | 1690 | return rdev->ops->del_virtual_intf(&rdev->wiphy, dev); |
55682965 JB |
1691 | } |
1692 | ||
41ade00f JB |
1693 | struct get_key_cookie { |
1694 | struct sk_buff *msg; | |
1695 | int error; | |
b9454e83 | 1696 | int idx; |
41ade00f JB |
1697 | }; |
1698 | ||
1699 | static void get_key_callback(void *c, struct key_params *params) | |
1700 | { | |
b9454e83 | 1701 | struct nlattr *key; |
41ade00f JB |
1702 | struct get_key_cookie *cookie = c; |
1703 | ||
1704 | if (params->key) | |
1705 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, | |
1706 | params->key_len, params->key); | |
1707 | ||
1708 | if (params->seq) | |
1709 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
1710 | params->seq_len, params->seq); | |
1711 | ||
1712 | if (params->cipher) | |
1713 | NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
1714 | params->cipher); | |
1715 | ||
b9454e83 JB |
1716 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
1717 | if (!key) | |
1718 | goto nla_put_failure; | |
1719 | ||
1720 | if (params->key) | |
1721 | NLA_PUT(cookie->msg, NL80211_KEY_DATA, | |
1722 | params->key_len, params->key); | |
1723 | ||
1724 | if (params->seq) | |
1725 | NLA_PUT(cookie->msg, NL80211_KEY_SEQ, | |
1726 | params->seq_len, params->seq); | |
1727 | ||
1728 | if (params->cipher) | |
1729 | NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER, | |
1730 | params->cipher); | |
1731 | ||
1732 | NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx); | |
1733 | ||
1734 | nla_nest_end(cookie->msg, key); | |
1735 | ||
41ade00f JB |
1736 | return; |
1737 | nla_put_failure: | |
1738 | cookie->error = 1; | |
1739 | } | |
1740 | ||
1741 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
1742 | { | |
4c476991 | 1743 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 1744 | int err; |
4c476991 | 1745 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1746 | u8 key_idx = 0; |
e31b8213 JB |
1747 | const u8 *mac_addr = NULL; |
1748 | bool pairwise; | |
41ade00f JB |
1749 | struct get_key_cookie cookie = { |
1750 | .error = 0, | |
1751 | }; | |
1752 | void *hdr; | |
1753 | struct sk_buff *msg; | |
1754 | ||
1755 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
1756 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
1757 | ||
3cfcf6ac | 1758 | if (key_idx > 5) |
41ade00f JB |
1759 | return -EINVAL; |
1760 | ||
1761 | if (info->attrs[NL80211_ATTR_MAC]) | |
1762 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1763 | ||
e31b8213 JB |
1764 | pairwise = !!mac_addr; |
1765 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
1766 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
1767 | if (kt >= NUM_NL80211_KEYTYPES) | |
1768 | return -EINVAL; | |
1769 | if (kt != NL80211_KEYTYPE_GROUP && | |
1770 | kt != NL80211_KEYTYPE_PAIRWISE) | |
1771 | return -EINVAL; | |
1772 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
1773 | } | |
1774 | ||
4c476991 JB |
1775 | if (!rdev->ops->get_key) |
1776 | return -EOPNOTSUPP; | |
41ade00f | 1777 | |
fd2120ca | 1778 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
1779 | if (!msg) |
1780 | return -ENOMEM; | |
41ade00f JB |
1781 | |
1782 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
1783 | NL80211_CMD_NEW_KEY); | |
4c476991 JB |
1784 | if (IS_ERR(hdr)) |
1785 | return PTR_ERR(hdr); | |
41ade00f JB |
1786 | |
1787 | cookie.msg = msg; | |
b9454e83 | 1788 | cookie.idx = key_idx; |
41ade00f JB |
1789 | |
1790 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
1791 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
1792 | if (mac_addr) | |
1793 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
1794 | ||
e31b8213 JB |
1795 | if (pairwise && mac_addr && |
1796 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
1797 | return -ENOENT; | |
1798 | ||
1799 | err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise, | |
1800 | mac_addr, &cookie, get_key_callback); | |
41ade00f JB |
1801 | |
1802 | if (err) | |
6c95e2a2 | 1803 | goto free_msg; |
41ade00f JB |
1804 | |
1805 | if (cookie.error) | |
1806 | goto nla_put_failure; | |
1807 | ||
1808 | genlmsg_end(msg, hdr); | |
4c476991 | 1809 | return genlmsg_reply(msg, info); |
41ade00f JB |
1810 | |
1811 | nla_put_failure: | |
1812 | err = -ENOBUFS; | |
6c95e2a2 | 1813 | free_msg: |
41ade00f | 1814 | nlmsg_free(msg); |
41ade00f JB |
1815 | return err; |
1816 | } | |
1817 | ||
1818 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
1819 | { | |
4c476991 | 1820 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 1821 | struct key_parse key; |
41ade00f | 1822 | int err; |
4c476991 | 1823 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1824 | |
b9454e83 JB |
1825 | err = nl80211_parse_key(info, &key); |
1826 | if (err) | |
1827 | return err; | |
41ade00f | 1828 | |
b9454e83 | 1829 | if (key.idx < 0) |
41ade00f JB |
1830 | return -EINVAL; |
1831 | ||
b9454e83 JB |
1832 | /* only support setting default key */ |
1833 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
1834 | return -EINVAL; |
1835 | ||
dbd2fd65 | 1836 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 1837 | |
dbd2fd65 JB |
1838 | if (key.def) { |
1839 | if (!rdev->ops->set_default_key) { | |
1840 | err = -EOPNOTSUPP; | |
1841 | goto out; | |
1842 | } | |
41ade00f | 1843 | |
dbd2fd65 JB |
1844 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
1845 | if (err) | |
1846 | goto out; | |
1847 | ||
dbd2fd65 JB |
1848 | err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx, |
1849 | key.def_uni, key.def_multi); | |
1850 | ||
1851 | if (err) | |
1852 | goto out; | |
fffd0934 | 1853 | |
3d23e349 | 1854 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
1855 | dev->ieee80211_ptr->wext.default_key = key.idx; |
1856 | #endif | |
1857 | } else { | |
1858 | if (key.def_uni || !key.def_multi) { | |
1859 | err = -EINVAL; | |
1860 | goto out; | |
1861 | } | |
1862 | ||
1863 | if (!rdev->ops->set_default_mgmt_key) { | |
1864 | err = -EOPNOTSUPP; | |
1865 | goto out; | |
1866 | } | |
1867 | ||
1868 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
1869 | if (err) | |
1870 | goto out; | |
1871 | ||
1872 | err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, | |
1873 | dev, key.idx); | |
1874 | if (err) | |
1875 | goto out; | |
1876 | ||
1877 | #ifdef CONFIG_CFG80211_WEXT | |
1878 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 1879 | #endif |
dbd2fd65 JB |
1880 | } |
1881 | ||
1882 | out: | |
fffd0934 | 1883 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 1884 | |
41ade00f JB |
1885 | return err; |
1886 | } | |
1887 | ||
1888 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
1889 | { | |
4c476991 | 1890 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 1891 | int err; |
4c476991 | 1892 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 1893 | struct key_parse key; |
e31b8213 | 1894 | const u8 *mac_addr = NULL; |
41ade00f | 1895 | |
b9454e83 JB |
1896 | err = nl80211_parse_key(info, &key); |
1897 | if (err) | |
1898 | return err; | |
41ade00f | 1899 | |
b9454e83 | 1900 | if (!key.p.key) |
41ade00f JB |
1901 | return -EINVAL; |
1902 | ||
41ade00f JB |
1903 | if (info->attrs[NL80211_ATTR_MAC]) |
1904 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1905 | ||
e31b8213 JB |
1906 | if (key.type == -1) { |
1907 | if (mac_addr) | |
1908 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
1909 | else | |
1910 | key.type = NL80211_KEYTYPE_GROUP; | |
1911 | } | |
1912 | ||
1913 | /* for now */ | |
1914 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
1915 | key.type != NL80211_KEYTYPE_GROUP) | |
1916 | return -EINVAL; | |
1917 | ||
4c476991 JB |
1918 | if (!rdev->ops->add_key) |
1919 | return -EOPNOTSUPP; | |
25e47c18 | 1920 | |
e31b8213 JB |
1921 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
1922 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
1923 | mac_addr)) | |
4c476991 | 1924 | return -EINVAL; |
41ade00f | 1925 | |
fffd0934 JB |
1926 | wdev_lock(dev->ieee80211_ptr); |
1927 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
1928 | if (!err) | |
1929 | err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx, | |
e31b8213 | 1930 | key.type == NL80211_KEYTYPE_PAIRWISE, |
fffd0934 JB |
1931 | mac_addr, &key.p); |
1932 | wdev_unlock(dev->ieee80211_ptr); | |
41ade00f | 1933 | |
41ade00f JB |
1934 | return err; |
1935 | } | |
1936 | ||
1937 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
1938 | { | |
4c476991 | 1939 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 1940 | int err; |
4c476991 | 1941 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1942 | u8 *mac_addr = NULL; |
b9454e83 | 1943 | struct key_parse key; |
41ade00f | 1944 | |
b9454e83 JB |
1945 | err = nl80211_parse_key(info, &key); |
1946 | if (err) | |
1947 | return err; | |
41ade00f JB |
1948 | |
1949 | if (info->attrs[NL80211_ATTR_MAC]) | |
1950 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1951 | ||
e31b8213 JB |
1952 | if (key.type == -1) { |
1953 | if (mac_addr) | |
1954 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
1955 | else | |
1956 | key.type = NL80211_KEYTYPE_GROUP; | |
1957 | } | |
1958 | ||
1959 | /* for now */ | |
1960 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
1961 | key.type != NL80211_KEYTYPE_GROUP) | |
1962 | return -EINVAL; | |
1963 | ||
4c476991 JB |
1964 | if (!rdev->ops->del_key) |
1965 | return -EOPNOTSUPP; | |
41ade00f | 1966 | |
fffd0934 JB |
1967 | wdev_lock(dev->ieee80211_ptr); |
1968 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
1969 | |
1970 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
1971 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
1972 | err = -ENOENT; | |
1973 | ||
fffd0934 | 1974 | if (!err) |
e31b8213 JB |
1975 | err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, |
1976 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
1977 | mac_addr); | |
41ade00f | 1978 | |
3d23e349 | 1979 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 1980 | if (!err) { |
b9454e83 | 1981 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 1982 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 1983 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
1984 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
1985 | } | |
1986 | #endif | |
fffd0934 | 1987 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 1988 | |
41ade00f JB |
1989 | return err; |
1990 | } | |
1991 | ||
ed1b6cc7 JB |
1992 | static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) |
1993 | { | |
1994 | int (*call)(struct wiphy *wiphy, struct net_device *dev, | |
1995 | struct beacon_parameters *info); | |
4c476991 JB |
1996 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1997 | struct net_device *dev = info->user_ptr[1]; | |
56d1893d | 1998 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
ed1b6cc7 | 1999 | struct beacon_parameters params; |
56d1893d | 2000 | int haveinfo = 0, err; |
ed1b6cc7 | 2001 | |
9946ecfb JM |
2002 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) || |
2003 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) || | |
2004 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
2005 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
2006 | return -EINVAL; |
2007 | ||
074ac8df | 2008 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2009 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2010 | return -EOPNOTSUPP; | |
eec60b03 | 2011 | |
56d1893d JB |
2012 | memset(¶ms, 0, sizeof(params)); |
2013 | ||
ed1b6cc7 JB |
2014 | switch (info->genlhdr->cmd) { |
2015 | case NL80211_CMD_NEW_BEACON: | |
2016 | /* these are required for NEW_BEACON */ | |
2017 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
2018 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
4c476991 JB |
2019 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) |
2020 | return -EINVAL; | |
ed1b6cc7 | 2021 | |
56d1893d JB |
2022 | params.interval = |
2023 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
2024 | params.dtim_period = | |
2025 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
2026 | ||
2027 | err = cfg80211_validate_beacon_int(rdev, params.interval); | |
2028 | if (err) | |
2029 | return err; | |
2030 | ||
32e9de84 JM |
2031 | /* |
2032 | * In theory, some of these attributes could be required for | |
2033 | * NEW_BEACON, but since they were not used when the command was | |
2034 | * originally added, keep them optional for old user space | |
2035 | * programs to work with drivers that do not need the additional | |
2036 | * information. | |
2037 | */ | |
2038 | if (info->attrs[NL80211_ATTR_SSID]) { | |
2039 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
2040 | params.ssid_len = | |
2041 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
2042 | if (params.ssid_len == 0 || | |
2043 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
2044 | return -EINVAL; | |
2045 | } | |
2046 | ||
2047 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
2048 | params.hidden_ssid = nla_get_u32( | |
2049 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
2050 | if (params.hidden_ssid != | |
2051 | NL80211_HIDDEN_SSID_NOT_IN_USE && | |
2052 | params.hidden_ssid != | |
2053 | NL80211_HIDDEN_SSID_ZERO_LEN && | |
2054 | params.hidden_ssid != | |
2055 | NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
2056 | return -EINVAL; | |
2057 | } | |
2058 | ||
5fb628e9 JM |
2059 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
2060 | ||
2061 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
2062 | params.auth_type = nla_get_u32( | |
2063 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
2064 | if (!nl80211_valid_auth_type(params.auth_type)) | |
2065 | return -EINVAL; | |
2066 | } else | |
2067 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
2068 | ||
2069 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
2070 | NL80211_MAX_NR_CIPHER_SUITES); | |
2071 | if (err) | |
2072 | return err; | |
2073 | ||
79c97e97 | 2074 | call = rdev->ops->add_beacon; |
ed1b6cc7 JB |
2075 | break; |
2076 | case NL80211_CMD_SET_BEACON: | |
79c97e97 | 2077 | call = rdev->ops->set_beacon; |
ed1b6cc7 JB |
2078 | break; |
2079 | default: | |
2080 | WARN_ON(1); | |
4c476991 | 2081 | return -EOPNOTSUPP; |
ed1b6cc7 JB |
2082 | } |
2083 | ||
4c476991 JB |
2084 | if (!call) |
2085 | return -EOPNOTSUPP; | |
ed1b6cc7 | 2086 | |
ed1b6cc7 JB |
2087 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { |
2088 | params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
2089 | params.head_len = | |
2090 | nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
2091 | haveinfo = 1; | |
2092 | } | |
2093 | ||
2094 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { | |
2095 | params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
2096 | params.tail_len = | |
2097 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
2098 | haveinfo = 1; | |
2099 | } | |
2100 | ||
4c476991 JB |
2101 | if (!haveinfo) |
2102 | return -EINVAL; | |
3b85875a | 2103 | |
9946ecfb JM |
2104 | if (info->attrs[NL80211_ATTR_IE]) { |
2105 | params.beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]); | |
2106 | params.beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
2107 | } | |
2108 | ||
2109 | if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) { | |
2110 | params.proberesp_ies = | |
2111 | nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); | |
2112 | params.proberesp_ies_len = | |
2113 | nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); | |
2114 | } | |
2115 | ||
2116 | if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) { | |
2117 | params.assocresp_ies = | |
2118 | nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); | |
2119 | params.assocresp_ies_len = | |
2120 | nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); | |
2121 | } | |
2122 | ||
56d1893d JB |
2123 | err = call(&rdev->wiphy, dev, ¶ms); |
2124 | if (!err && params.interval) | |
2125 | wdev->beacon_interval = params.interval; | |
2126 | return err; | |
ed1b6cc7 JB |
2127 | } |
2128 | ||
2129 | static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) | |
2130 | { | |
4c476991 JB |
2131 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2132 | struct net_device *dev = info->user_ptr[1]; | |
56d1893d JB |
2133 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2134 | int err; | |
ed1b6cc7 | 2135 | |
4c476991 JB |
2136 | if (!rdev->ops->del_beacon) |
2137 | return -EOPNOTSUPP; | |
ed1b6cc7 | 2138 | |
074ac8df | 2139 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2140 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2141 | return -EOPNOTSUPP; | |
3b85875a | 2142 | |
56d1893d JB |
2143 | err = rdev->ops->del_beacon(&rdev->wiphy, dev); |
2144 | if (!err) | |
2145 | wdev->beacon_interval = 0; | |
2146 | return err; | |
ed1b6cc7 JB |
2147 | } |
2148 | ||
5727ef1b JB |
2149 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
2150 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
2151 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
2152 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 2153 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 2154 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
5727ef1b JB |
2155 | }; |
2156 | ||
eccb8e8f JB |
2157 | static int parse_station_flags(struct genl_info *info, |
2158 | struct station_parameters *params) | |
5727ef1b JB |
2159 | { |
2160 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 2161 | struct nlattr *nla; |
5727ef1b JB |
2162 | int flag; |
2163 | ||
eccb8e8f JB |
2164 | /* |
2165 | * Try parsing the new attribute first so userspace | |
2166 | * can specify both for older kernels. | |
2167 | */ | |
2168 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
2169 | if (nla) { | |
2170 | struct nl80211_sta_flag_update *sta_flags; | |
2171 | ||
2172 | sta_flags = nla_data(nla); | |
2173 | params->sta_flags_mask = sta_flags->mask; | |
2174 | params->sta_flags_set = sta_flags->set; | |
2175 | if ((params->sta_flags_mask | | |
2176 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
2177 | return -EINVAL; | |
2178 | return 0; | |
2179 | } | |
2180 | ||
2181 | /* if present, parse the old attribute */ | |
5727ef1b | 2182 | |
eccb8e8f | 2183 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
2184 | if (!nla) |
2185 | return 0; | |
2186 | ||
2187 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
2188 | nla, sta_flags_policy)) | |
2189 | return -EINVAL; | |
2190 | ||
eccb8e8f JB |
2191 | params->sta_flags_mask = (1 << __NL80211_STA_FLAG_AFTER_LAST) - 1; |
2192 | params->sta_flags_mask &= ~1; | |
5727ef1b JB |
2193 | |
2194 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) | |
2195 | if (flags[flag]) | |
eccb8e8f | 2196 | params->sta_flags_set |= (1<<flag); |
5727ef1b JB |
2197 | |
2198 | return 0; | |
2199 | } | |
2200 | ||
c8dcfd8a FF |
2201 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
2202 | int attr) | |
2203 | { | |
2204 | struct nlattr *rate; | |
2205 | u16 bitrate; | |
2206 | ||
2207 | rate = nla_nest_start(msg, attr); | |
2208 | if (!rate) | |
2209 | goto nla_put_failure; | |
2210 | ||
2211 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
2212 | bitrate = cfg80211_calculate_bitrate(info); | |
2213 | if (bitrate > 0) | |
2214 | NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate); | |
2215 | ||
2216 | if (info->flags & RATE_INFO_FLAGS_MCS) | |
2217 | NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs); | |
2218 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) | |
2219 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH); | |
2220 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI) | |
2221 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI); | |
2222 | ||
2223 | nla_nest_end(msg, rate); | |
2224 | return true; | |
2225 | ||
2226 | nla_put_failure: | |
2227 | return false; | |
2228 | } | |
2229 | ||
fd5b74dc JB |
2230 | static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, |
2231 | int flags, struct net_device *dev, | |
98b62183 | 2232 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
2233 | { |
2234 | void *hdr; | |
f4263c98 | 2235 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc JB |
2236 | |
2237 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2238 | if (!hdr) | |
2239 | return -1; | |
2240 | ||
2241 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2242 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
2243 | ||
f5ea9120 JB |
2244 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation); |
2245 | ||
2ec600d6 LCC |
2246 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
2247 | if (!sinfoattr) | |
fd5b74dc | 2248 | goto nla_put_failure; |
ebe27c91 MSS |
2249 | if (sinfo->filled & STATION_INFO_CONNECTED_TIME) |
2250 | NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
2251 | sinfo->connected_time); | |
2ec600d6 LCC |
2252 | if (sinfo->filled & STATION_INFO_INACTIVE_TIME) |
2253 | NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
2254 | sinfo->inactive_time); | |
2255 | if (sinfo->filled & STATION_INFO_RX_BYTES) | |
2256 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, | |
2257 | sinfo->rx_bytes); | |
2258 | if (sinfo->filled & STATION_INFO_TX_BYTES) | |
2259 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, | |
2260 | sinfo->tx_bytes); | |
2261 | if (sinfo->filled & STATION_INFO_LLID) | |
2262 | NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, | |
2263 | sinfo->llid); | |
2264 | if (sinfo->filled & STATION_INFO_PLID) | |
2265 | NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, | |
2266 | sinfo->plid); | |
2267 | if (sinfo->filled & STATION_INFO_PLINK_STATE) | |
2268 | NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, | |
2269 | sinfo->plink_state); | |
420e7fab HR |
2270 | if (sinfo->filled & STATION_INFO_SIGNAL) |
2271 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, | |
2272 | sinfo->signal); | |
541a45a1 BR |
2273 | if (sinfo->filled & STATION_INFO_SIGNAL_AVG) |
2274 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
2275 | sinfo->signal_avg); | |
420e7fab | 2276 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
2277 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
2278 | NL80211_STA_INFO_TX_BITRATE)) | |
2279 | goto nla_put_failure; | |
2280 | } | |
2281 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
2282 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
2283 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 2284 | goto nla_put_failure; |
420e7fab | 2285 | } |
98c8a60a JM |
2286 | if (sinfo->filled & STATION_INFO_RX_PACKETS) |
2287 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS, | |
2288 | sinfo->rx_packets); | |
2289 | if (sinfo->filled & STATION_INFO_TX_PACKETS) | |
2290 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS, | |
2291 | sinfo->tx_packets); | |
b206b4ef BR |
2292 | if (sinfo->filled & STATION_INFO_TX_RETRIES) |
2293 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES, | |
2294 | sinfo->tx_retries); | |
2295 | if (sinfo->filled & STATION_INFO_TX_FAILED) | |
2296 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED, | |
2297 | sinfo->tx_failed); | |
f4263c98 PS |
2298 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
2299 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
2300 | if (!bss_param) | |
2301 | goto nla_put_failure; | |
2302 | ||
2303 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) | |
2304 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT); | |
2305 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) | |
2306 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE); | |
2307 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) | |
2308 | NLA_PUT_FLAG(msg, | |
2309 | NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME); | |
2310 | NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
2311 | sinfo->bss_param.dtim_period); | |
2312 | NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
2313 | sinfo->bss_param.beacon_interval); | |
2314 | ||
2315 | nla_nest_end(msg, bss_param); | |
2316 | } | |
2ec600d6 | 2317 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 2318 | |
040bdf71 | 2319 | if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES) |
50d3dfb7 JM |
2320 | NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
2321 | sinfo->assoc_req_ies); | |
2322 | ||
fd5b74dc JB |
2323 | return genlmsg_end(msg, hdr); |
2324 | ||
2325 | nla_put_failure: | |
bc3ed28c TG |
2326 | genlmsg_cancel(msg, hdr); |
2327 | return -EMSGSIZE; | |
fd5b74dc JB |
2328 | } |
2329 | ||
2ec600d6 | 2330 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 2331 | struct netlink_callback *cb) |
2ec600d6 | 2332 | { |
2ec600d6 LCC |
2333 | struct station_info sinfo; |
2334 | struct cfg80211_registered_device *dev; | |
bba95fef | 2335 | struct net_device *netdev; |
2ec600d6 | 2336 | u8 mac_addr[ETH_ALEN]; |
bba95fef | 2337 | int sta_idx = cb->args[1]; |
2ec600d6 | 2338 | int err; |
2ec600d6 | 2339 | |
67748893 JB |
2340 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2341 | if (err) | |
2342 | return err; | |
bba95fef JB |
2343 | |
2344 | if (!dev->ops->dump_station) { | |
eec60b03 | 2345 | err = -EOPNOTSUPP; |
bba95fef JB |
2346 | goto out_err; |
2347 | } | |
2348 | ||
bba95fef | 2349 | while (1) { |
f612cedf | 2350 | memset(&sinfo, 0, sizeof(sinfo)); |
bba95fef JB |
2351 | err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, |
2352 | mac_addr, &sinfo); | |
2353 | if (err == -ENOENT) | |
2354 | break; | |
2355 | if (err) | |
3b85875a | 2356 | goto out_err; |
bba95fef JB |
2357 | |
2358 | if (nl80211_send_station(skb, | |
2359 | NETLINK_CB(cb->skb).pid, | |
2360 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2361 | netdev, mac_addr, | |
2362 | &sinfo) < 0) | |
2363 | goto out; | |
2364 | ||
2365 | sta_idx++; | |
2366 | } | |
2367 | ||
2368 | ||
2369 | out: | |
2370 | cb->args[1] = sta_idx; | |
2371 | err = skb->len; | |
bba95fef | 2372 | out_err: |
67748893 | 2373 | nl80211_finish_netdev_dump(dev); |
bba95fef JB |
2374 | |
2375 | return err; | |
2ec600d6 | 2376 | } |
fd5b74dc | 2377 | |
5727ef1b JB |
2378 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
2379 | { | |
4c476991 JB |
2380 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2381 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 2382 | struct station_info sinfo; |
fd5b74dc JB |
2383 | struct sk_buff *msg; |
2384 | u8 *mac_addr = NULL; | |
4c476991 | 2385 | int err; |
fd5b74dc | 2386 | |
2ec600d6 | 2387 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
2388 | |
2389 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2390 | return -EINVAL; | |
2391 | ||
2392 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2393 | ||
4c476991 JB |
2394 | if (!rdev->ops->get_station) |
2395 | return -EOPNOTSUPP; | |
3b85875a | 2396 | |
4c476991 | 2397 | err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo); |
fd5b74dc | 2398 | if (err) |
4c476991 | 2399 | return err; |
2ec600d6 | 2400 | |
fd2120ca | 2401 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 2402 | if (!msg) |
4c476991 | 2403 | return -ENOMEM; |
fd5b74dc JB |
2404 | |
2405 | if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
2406 | dev, mac_addr, &sinfo) < 0) { |
2407 | nlmsg_free(msg); | |
2408 | return -ENOBUFS; | |
2409 | } | |
3b85875a | 2410 | |
4c476991 | 2411 | return genlmsg_reply(msg, info); |
5727ef1b JB |
2412 | } |
2413 | ||
2414 | /* | |
c258d2de | 2415 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 2416 | */ |
463d0183 | 2417 | static int get_vlan(struct genl_info *info, |
5727ef1b JB |
2418 | struct cfg80211_registered_device *rdev, |
2419 | struct net_device **vlan) | |
2420 | { | |
463d0183 | 2421 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
5727ef1b JB |
2422 | *vlan = NULL; |
2423 | ||
2424 | if (vlanattr) { | |
463d0183 JB |
2425 | *vlan = dev_get_by_index(genl_info_net(info), |
2426 | nla_get_u32(vlanattr)); | |
5727ef1b JB |
2427 | if (!*vlan) |
2428 | return -ENODEV; | |
2429 | if (!(*vlan)->ieee80211_ptr) | |
2430 | return -EINVAL; | |
2431 | if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) | |
2432 | return -EINVAL; | |
c258d2de FF |
2433 | if (!netif_running(*vlan)) |
2434 | return -ENETDOWN; | |
5727ef1b JB |
2435 | } |
2436 | return 0; | |
2437 | } | |
2438 | ||
2439 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) | |
2440 | { | |
4c476991 | 2441 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2442 | int err; |
4c476991 | 2443 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2444 | struct station_parameters params; |
2445 | u8 *mac_addr = NULL; | |
2446 | ||
2447 | memset(¶ms, 0, sizeof(params)); | |
2448 | ||
2449 | params.listen_interval = -1; | |
57cf8043 | 2450 | params.plink_state = -1; |
5727ef1b JB |
2451 | |
2452 | if (info->attrs[NL80211_ATTR_STA_AID]) | |
2453 | return -EINVAL; | |
2454 | ||
2455 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2456 | return -EINVAL; | |
2457 | ||
2458 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2459 | ||
2460 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
2461 | params.supported_rates = | |
2462 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2463 | params.supported_rates_len = | |
2464 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2465 | } | |
2466 | ||
2467 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
2468 | params.listen_interval = | |
2469 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
2470 | ||
36aedc90 JM |
2471 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2472 | params.ht_capa = | |
2473 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
2474 | ||
eccb8e8f | 2475 | if (parse_station_flags(info, ¶ms)) |
5727ef1b JB |
2476 | return -EINVAL; |
2477 | ||
2ec600d6 LCC |
2478 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2479 | params.plink_action = | |
2480 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2481 | ||
9c3990aa JC |
2482 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) |
2483 | params.plink_state = | |
2484 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); | |
2485 | ||
463d0183 | 2486 | err = get_vlan(info, rdev, ¶ms.vlan); |
a97f4424 | 2487 | if (err) |
034d655e | 2488 | goto out; |
a97f4424 JB |
2489 | |
2490 | /* validate settings */ | |
2491 | err = 0; | |
2492 | ||
2493 | switch (dev->ieee80211_ptr->iftype) { | |
2494 | case NL80211_IFTYPE_AP: | |
2495 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 2496 | case NL80211_IFTYPE_P2P_GO: |
a97f4424 JB |
2497 | /* disallow mesh-specific things */ |
2498 | if (params.plink_action) | |
2499 | err = -EINVAL; | |
2500 | break; | |
074ac8df | 2501 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 JB |
2502 | case NL80211_IFTYPE_STATION: |
2503 | /* disallow everything but AUTHORIZED flag */ | |
2504 | if (params.plink_action) | |
2505 | err = -EINVAL; | |
2506 | if (params.vlan) | |
2507 | err = -EINVAL; | |
2508 | if (params.supported_rates) | |
2509 | err = -EINVAL; | |
2510 | if (params.ht_capa) | |
2511 | err = -EINVAL; | |
2512 | if (params.listen_interval >= 0) | |
2513 | err = -EINVAL; | |
2514 | if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
2515 | err = -EINVAL; | |
2516 | break; | |
2517 | case NL80211_IFTYPE_MESH_POINT: | |
2518 | /* disallow things mesh doesn't support */ | |
2519 | if (params.vlan) | |
2520 | err = -EINVAL; | |
2521 | if (params.ht_capa) | |
2522 | err = -EINVAL; | |
2523 | if (params.listen_interval >= 0) | |
2524 | err = -EINVAL; | |
b39c48fa JC |
2525 | if (params.sta_flags_mask & |
2526 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
8429828e | 2527 | BIT(NL80211_STA_FLAG_MFP) | |
b39c48fa | 2528 | BIT(NL80211_STA_FLAG_AUTHORIZED))) |
a97f4424 JB |
2529 | err = -EINVAL; |
2530 | break; | |
2531 | default: | |
2532 | err = -EINVAL; | |
034d655e JB |
2533 | } |
2534 | ||
5727ef1b JB |
2535 | if (err) |
2536 | goto out; | |
2537 | ||
79c97e97 | 2538 | if (!rdev->ops->change_station) { |
5727ef1b JB |
2539 | err = -EOPNOTSUPP; |
2540 | goto out; | |
2541 | } | |
2542 | ||
79c97e97 | 2543 | err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b JB |
2544 | |
2545 | out: | |
2546 | if (params.vlan) | |
2547 | dev_put(params.vlan); | |
3b85875a | 2548 | |
5727ef1b JB |
2549 | return err; |
2550 | } | |
2551 | ||
c75786c9 EP |
2552 | static struct nla_policy |
2553 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
2554 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
2555 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
2556 | }; | |
2557 | ||
5727ef1b JB |
2558 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) |
2559 | { | |
4c476991 | 2560 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2561 | int err; |
4c476991 | 2562 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2563 | struct station_parameters params; |
2564 | u8 *mac_addr = NULL; | |
2565 | ||
2566 | memset(¶ms, 0, sizeof(params)); | |
2567 | ||
2568 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2569 | return -EINVAL; | |
2570 | ||
5727ef1b JB |
2571 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
2572 | return -EINVAL; | |
2573 | ||
2574 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
2575 | return -EINVAL; | |
2576 | ||
0e956c13 TLSC |
2577 | if (!info->attrs[NL80211_ATTR_STA_AID]) |
2578 | return -EINVAL; | |
2579 | ||
5727ef1b JB |
2580 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
2581 | params.supported_rates = | |
2582 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2583 | params.supported_rates_len = | |
2584 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2585 | params.listen_interval = | |
2586 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 2587 | |
0e956c13 TLSC |
2588 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
2589 | if (!params.aid || params.aid > IEEE80211_MAX_AID) | |
2590 | return -EINVAL; | |
51b50fbe | 2591 | |
36aedc90 JM |
2592 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2593 | params.ht_capa = | |
2594 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 2595 | |
96b78dff JC |
2596 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2597 | params.plink_action = | |
2598 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2599 | ||
eccb8e8f | 2600 | if (parse_station_flags(info, ¶ms)) |
5727ef1b JB |
2601 | return -EINVAL; |
2602 | ||
c75786c9 EP |
2603 | /* parse WME attributes if sta is WME capable */ |
2604 | if ((params.sta_flags_set & NL80211_STA_FLAG_WME) && | |
2605 | info->attrs[NL80211_ATTR_STA_WME]) { | |
2606 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; | |
2607 | struct nlattr *nla; | |
2608 | ||
2609 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
2610 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
2611 | nl80211_sta_wme_policy); | |
2612 | if (err) | |
2613 | return err; | |
2614 | ||
2615 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
2616 | params.uapsd_queues = | |
2617 | nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
2618 | ||
2619 | if (tb[NL80211_STA_WME_MAX_SP]) | |
2620 | params.max_sp = | |
2621 | nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
2622 | } | |
2623 | ||
0e956c13 | 2624 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
074ac8df | 2625 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
96b78dff | 2626 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
2627 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2628 | return -EINVAL; | |
0e956c13 | 2629 | |
463d0183 | 2630 | err = get_vlan(info, rdev, ¶ms.vlan); |
a97f4424 | 2631 | if (err) |
e80cf853 | 2632 | goto out; |
a97f4424 JB |
2633 | |
2634 | /* validate settings */ | |
2635 | err = 0; | |
2636 | ||
79c97e97 | 2637 | if (!rdev->ops->add_station) { |
5727ef1b JB |
2638 | err = -EOPNOTSUPP; |
2639 | goto out; | |
2640 | } | |
2641 | ||
79c97e97 | 2642 | err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b JB |
2643 | |
2644 | out: | |
2645 | if (params.vlan) | |
2646 | dev_put(params.vlan); | |
5727ef1b JB |
2647 | return err; |
2648 | } | |
2649 | ||
2650 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
2651 | { | |
4c476991 JB |
2652 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2653 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
2654 | u8 *mac_addr = NULL; |
2655 | ||
2656 | if (info->attrs[NL80211_ATTR_MAC]) | |
2657 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2658 | ||
e80cf853 | 2659 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 2660 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 2661 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
2662 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2663 | return -EINVAL; | |
5727ef1b | 2664 | |
4c476991 JB |
2665 | if (!rdev->ops->del_station) |
2666 | return -EOPNOTSUPP; | |
3b85875a | 2667 | |
4c476991 | 2668 | return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); |
5727ef1b JB |
2669 | } |
2670 | ||
2ec600d6 LCC |
2671 | static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, |
2672 | int flags, struct net_device *dev, | |
2673 | u8 *dst, u8 *next_hop, | |
2674 | struct mpath_info *pinfo) | |
2675 | { | |
2676 | void *hdr; | |
2677 | struct nlattr *pinfoattr; | |
2678 | ||
2679 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2680 | if (!hdr) | |
2681 | return -1; | |
2682 | ||
2683 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2684 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
2685 | NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); | |
2686 | ||
f5ea9120 JB |
2687 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation); |
2688 | ||
2ec600d6 LCC |
2689 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
2690 | if (!pinfoattr) | |
2691 | goto nla_put_failure; | |
2692 | if (pinfo->filled & MPATH_INFO_FRAME_QLEN) | |
2693 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
2694 | pinfo->frame_qlen); | |
d19b3bf6 RP |
2695 | if (pinfo->filled & MPATH_INFO_SN) |
2696 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN, | |
2697 | pinfo->sn); | |
2ec600d6 LCC |
2698 | if (pinfo->filled & MPATH_INFO_METRIC) |
2699 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, | |
2700 | pinfo->metric); | |
2701 | if (pinfo->filled & MPATH_INFO_EXPTIME) | |
2702 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, | |
2703 | pinfo->exptime); | |
2704 | if (pinfo->filled & MPATH_INFO_FLAGS) | |
2705 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, | |
2706 | pinfo->flags); | |
2707 | if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) | |
2708 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
2709 | pinfo->discovery_timeout); | |
2710 | if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) | |
2711 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
2712 | pinfo->discovery_retries); | |
2713 | ||
2714 | nla_nest_end(msg, pinfoattr); | |
2715 | ||
2716 | return genlmsg_end(msg, hdr); | |
2717 | ||
2718 | nla_put_failure: | |
bc3ed28c TG |
2719 | genlmsg_cancel(msg, hdr); |
2720 | return -EMSGSIZE; | |
2ec600d6 LCC |
2721 | } |
2722 | ||
2723 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 2724 | struct netlink_callback *cb) |
2ec600d6 | 2725 | { |
2ec600d6 LCC |
2726 | struct mpath_info pinfo; |
2727 | struct cfg80211_registered_device *dev; | |
bba95fef | 2728 | struct net_device *netdev; |
2ec600d6 LCC |
2729 | u8 dst[ETH_ALEN]; |
2730 | u8 next_hop[ETH_ALEN]; | |
bba95fef | 2731 | int path_idx = cb->args[1]; |
2ec600d6 | 2732 | int err; |
2ec600d6 | 2733 | |
67748893 JB |
2734 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2735 | if (err) | |
2736 | return err; | |
bba95fef JB |
2737 | |
2738 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 2739 | err = -EOPNOTSUPP; |
bba95fef JB |
2740 | goto out_err; |
2741 | } | |
2742 | ||
eec60b03 JM |
2743 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { |
2744 | err = -EOPNOTSUPP; | |
0448b5fc | 2745 | goto out_err; |
eec60b03 JM |
2746 | } |
2747 | ||
bba95fef JB |
2748 | while (1) { |
2749 | err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, | |
2750 | dst, next_hop, &pinfo); | |
2751 | if (err == -ENOENT) | |
2ec600d6 | 2752 | break; |
bba95fef | 2753 | if (err) |
3b85875a | 2754 | goto out_err; |
2ec600d6 | 2755 | |
bba95fef JB |
2756 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, |
2757 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2758 | netdev, dst, next_hop, | |
2759 | &pinfo) < 0) | |
2760 | goto out; | |
2ec600d6 | 2761 | |
bba95fef | 2762 | path_idx++; |
2ec600d6 | 2763 | } |
2ec600d6 | 2764 | |
2ec600d6 | 2765 | |
bba95fef JB |
2766 | out: |
2767 | cb->args[1] = path_idx; | |
2768 | err = skb->len; | |
bba95fef | 2769 | out_err: |
67748893 | 2770 | nl80211_finish_netdev_dump(dev); |
bba95fef | 2771 | return err; |
2ec600d6 LCC |
2772 | } |
2773 | ||
2774 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
2775 | { | |
4c476991 | 2776 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2777 | int err; |
4c476991 | 2778 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
2779 | struct mpath_info pinfo; |
2780 | struct sk_buff *msg; | |
2781 | u8 *dst = NULL; | |
2782 | u8 next_hop[ETH_ALEN]; | |
2783 | ||
2784 | memset(&pinfo, 0, sizeof(pinfo)); | |
2785 | ||
2786 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2787 | return -EINVAL; | |
2788 | ||
2789 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2790 | ||
4c476991 JB |
2791 | if (!rdev->ops->get_mpath) |
2792 | return -EOPNOTSUPP; | |
2ec600d6 | 2793 | |
4c476991 JB |
2794 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2795 | return -EOPNOTSUPP; | |
eec60b03 | 2796 | |
79c97e97 | 2797 | err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo); |
2ec600d6 | 2798 | if (err) |
4c476991 | 2799 | return err; |
2ec600d6 | 2800 | |
fd2120ca | 2801 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 2802 | if (!msg) |
4c476991 | 2803 | return -ENOMEM; |
2ec600d6 LCC |
2804 | |
2805 | if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
2806 | dev, dst, next_hop, &pinfo) < 0) { |
2807 | nlmsg_free(msg); | |
2808 | return -ENOBUFS; | |
2809 | } | |
3b85875a | 2810 | |
4c476991 | 2811 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
2812 | } |
2813 | ||
2814 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
2815 | { | |
4c476991 JB |
2816 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2817 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2818 | u8 *dst = NULL; |
2819 | u8 *next_hop = NULL; | |
2820 | ||
2821 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2822 | return -EINVAL; | |
2823 | ||
2824 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
2825 | return -EINVAL; | |
2826 | ||
2827 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2828 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
2829 | ||
4c476991 JB |
2830 | if (!rdev->ops->change_mpath) |
2831 | return -EOPNOTSUPP; | |
35a8efe1 | 2832 | |
4c476991 JB |
2833 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2834 | return -EOPNOTSUPP; | |
2ec600d6 | 2835 | |
4c476991 | 2836 | return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 | 2837 | } |
4c476991 | 2838 | |
2ec600d6 LCC |
2839 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
2840 | { | |
4c476991 JB |
2841 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2842 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2843 | u8 *dst = NULL; |
2844 | u8 *next_hop = NULL; | |
2845 | ||
2846 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2847 | return -EINVAL; | |
2848 | ||
2849 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
2850 | return -EINVAL; | |
2851 | ||
2852 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2853 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
2854 | ||
4c476991 JB |
2855 | if (!rdev->ops->add_mpath) |
2856 | return -EOPNOTSUPP; | |
35a8efe1 | 2857 | |
4c476991 JB |
2858 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2859 | return -EOPNOTSUPP; | |
2ec600d6 | 2860 | |
4c476991 | 2861 | return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 LCC |
2862 | } |
2863 | ||
2864 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
2865 | { | |
4c476991 JB |
2866 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2867 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2868 | u8 *dst = NULL; |
2869 | ||
2870 | if (info->attrs[NL80211_ATTR_MAC]) | |
2871 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2872 | ||
4c476991 JB |
2873 | if (!rdev->ops->del_mpath) |
2874 | return -EOPNOTSUPP; | |
3b85875a | 2875 | |
4c476991 | 2876 | return rdev->ops->del_mpath(&rdev->wiphy, dev, dst); |
2ec600d6 LCC |
2877 | } |
2878 | ||
9f1ba906 JM |
2879 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
2880 | { | |
4c476991 JB |
2881 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2882 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
2883 | struct bss_parameters params; |
2884 | ||
2885 | memset(¶ms, 0, sizeof(params)); | |
2886 | /* default to not changing parameters */ | |
2887 | params.use_cts_prot = -1; | |
2888 | params.use_short_preamble = -1; | |
2889 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 2890 | params.ap_isolate = -1; |
50b12f59 | 2891 | params.ht_opmode = -1; |
9f1ba906 JM |
2892 | |
2893 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
2894 | params.use_cts_prot = | |
2895 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
2896 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
2897 | params.use_short_preamble = | |
2898 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
2899 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
2900 | params.use_short_slot_time = | |
2901 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
2902 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
2903 | params.basic_rates = | |
2904 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
2905 | params.basic_rates_len = | |
2906 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
2907 | } | |
fd8aaaf3 FF |
2908 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
2909 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
2910 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
2911 | params.ht_opmode = | |
2912 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 2913 | |
4c476991 JB |
2914 | if (!rdev->ops->change_bss) |
2915 | return -EOPNOTSUPP; | |
9f1ba906 | 2916 | |
074ac8df | 2917 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2918 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2919 | return -EOPNOTSUPP; | |
3b85875a | 2920 | |
4c476991 | 2921 | return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms); |
9f1ba906 JM |
2922 | } |
2923 | ||
b54452b0 | 2924 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
2925 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
2926 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
2927 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
2928 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
2929 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
2930 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
2931 | }; | |
2932 | ||
2933 | static int parse_reg_rule(struct nlattr *tb[], | |
2934 | struct ieee80211_reg_rule *reg_rule) | |
2935 | { | |
2936 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
2937 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
2938 | ||
2939 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
2940 | return -EINVAL; | |
2941 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
2942 | return -EINVAL; | |
2943 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
2944 | return -EINVAL; | |
2945 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
2946 | return -EINVAL; | |
2947 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
2948 | return -EINVAL; | |
2949 | ||
2950 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
2951 | ||
2952 | freq_range->start_freq_khz = | |
2953 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
2954 | freq_range->end_freq_khz = | |
2955 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
2956 | freq_range->max_bandwidth_khz = | |
2957 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
2958 | ||
2959 | power_rule->max_eirp = | |
2960 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
2961 | ||
2962 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
2963 | power_rule->max_antenna_gain = | |
2964 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
2965 | ||
2966 | return 0; | |
2967 | } | |
2968 | ||
2969 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
2970 | { | |
2971 | int r; | |
2972 | char *data = NULL; | |
2973 | ||
80778f18 LR |
2974 | /* |
2975 | * You should only get this when cfg80211 hasn't yet initialized | |
2976 | * completely when built-in to the kernel right between the time | |
2977 | * window between nl80211_init() and regulatory_init(), if that is | |
2978 | * even possible. | |
2979 | */ | |
2980 | mutex_lock(&cfg80211_mutex); | |
2981 | if (unlikely(!cfg80211_regdomain)) { | |
fe33eb39 LR |
2982 | mutex_unlock(&cfg80211_mutex); |
2983 | return -EINPROGRESS; | |
80778f18 | 2984 | } |
fe33eb39 | 2985 | mutex_unlock(&cfg80211_mutex); |
80778f18 | 2986 | |
fe33eb39 LR |
2987 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
2988 | return -EINVAL; | |
b2e1b302 LR |
2989 | |
2990 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
2991 | ||
fe33eb39 LR |
2992 | r = regulatory_hint_user(data); |
2993 | ||
b2e1b302 LR |
2994 | return r; |
2995 | } | |
2996 | ||
24bdd9f4 | 2997 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 2998 | struct genl_info *info) |
93da9cc1 | 2999 | { |
4c476991 | 3000 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 3001 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
3002 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
3003 | struct mesh_config cur_params; | |
3004 | int err = 0; | |
93da9cc1 | 3005 | void *hdr; |
3006 | struct nlattr *pinfoattr; | |
3007 | struct sk_buff *msg; | |
3008 | ||
29cbe68c JB |
3009 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3010 | return -EOPNOTSUPP; | |
3011 | ||
24bdd9f4 | 3012 | if (!rdev->ops->get_mesh_config) |
4c476991 | 3013 | return -EOPNOTSUPP; |
f3f92586 | 3014 | |
29cbe68c JB |
3015 | wdev_lock(wdev); |
3016 | /* If not connected, get default parameters */ | |
3017 | if (!wdev->mesh_id_len) | |
3018 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
3019 | else | |
24bdd9f4 | 3020 | err = rdev->ops->get_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
3021 | &cur_params); |
3022 | wdev_unlock(wdev); | |
3023 | ||
93da9cc1 | 3024 | if (err) |
4c476991 | 3025 | return err; |
93da9cc1 | 3026 | |
3027 | /* Draw up a netlink message to send back */ | |
fd2120ca | 3028 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3029 | if (!msg) |
3030 | return -ENOMEM; | |
93da9cc1 | 3031 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
24bdd9f4 | 3032 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 3033 | if (!hdr) |
efe1cf0c | 3034 | goto out; |
24bdd9f4 | 3035 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 3036 | if (!pinfoattr) |
3037 | goto nla_put_failure; | |
3038 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
3039 | NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
3040 | cur_params.dot11MeshRetryTimeout); | |
3041 | NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
3042 | cur_params.dot11MeshConfirmTimeout); | |
3043 | NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
3044 | cur_params.dot11MeshHoldingTimeout); | |
3045 | NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
3046 | cur_params.dot11MeshMaxPeerLinks); | |
3047 | NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
3048 | cur_params.dot11MeshMaxRetries); | |
3049 | NLA_PUT_U8(msg, NL80211_MESHCONF_TTL, | |
3050 | cur_params.dot11MeshTTL); | |
45904f21 JC |
3051 | NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL, |
3052 | cur_params.element_ttl); | |
93da9cc1 | 3053 | NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
3054 | cur_params.auto_open_plinks); | |
3055 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
3056 | cur_params.dot11MeshHWMPmaxPREQretries); | |
3057 | NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
3058 | cur_params.path_refresh_time); | |
3059 | NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
3060 | cur_params.min_discovery_timeout); | |
3061 | NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
3062 | cur_params.dot11MeshHWMPactivePathTimeout); | |
3063 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
3064 | cur_params.dot11MeshHWMPpreqMinInterval); | |
3065 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
3066 | cur_params.dot11MeshHWMPnetDiameterTraversalTime); | |
63c5723b RP |
3067 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, |
3068 | cur_params.dot11MeshHWMPRootMode); | |
0507e159 JC |
3069 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, |
3070 | cur_params.dot11MeshHWMPRannInterval); | |
16dd7267 JC |
3071 | NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, |
3072 | cur_params.dot11MeshGateAnnouncementProtocol); | |
93da9cc1 | 3073 | nla_nest_end(msg, pinfoattr); |
3074 | genlmsg_end(msg, hdr); | |
4c476991 | 3075 | return genlmsg_reply(msg, info); |
93da9cc1 | 3076 | |
3b85875a | 3077 | nla_put_failure: |
93da9cc1 | 3078 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 3079 | out: |
d080e275 | 3080 | nlmsg_free(msg); |
4c476991 | 3081 | return -ENOBUFS; |
93da9cc1 | 3082 | } |
3083 | ||
b54452b0 | 3084 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 3085 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
3086 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
3087 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
3088 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
3089 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
3090 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 3091 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 3092 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
3093 | ||
3094 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, | |
3095 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
3096 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
3097 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
3098 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
3099 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, | |
699403db | 3100 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 3101 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 3102 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
93da9cc1 | 3103 | }; |
3104 | ||
c80d545d JC |
3105 | static const struct nla_policy |
3106 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
3107 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, | |
3108 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 3109 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
581a8b0f | 3110 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
c80d545d | 3111 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 3112 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
3113 | }; |
3114 | ||
24bdd9f4 | 3115 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
3116 | struct mesh_config *cfg, |
3117 | u32 *mask_out) | |
93da9cc1 | 3118 | { |
93da9cc1 | 3119 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 3120 | u32 mask = 0; |
93da9cc1 | 3121 | |
bd90fdcc JB |
3122 | #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ |
3123 | do {\ | |
3124 | if (table[attr_num]) {\ | |
3125 | cfg->param = nla_fn(table[attr_num]); \ | |
3126 | mask |= (1 << (attr_num - 1)); \ | |
3127 | } \ | |
3128 | } while (0);\ | |
3129 | ||
3130 | ||
24bdd9f4 | 3131 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 3132 | return -EINVAL; |
3133 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 3134 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 3135 | nl80211_meshconf_params_policy)) |
93da9cc1 | 3136 | return -EINVAL; |
3137 | ||
93da9cc1 | 3138 | /* This makes sure that there aren't more than 32 mesh config |
3139 | * parameters (otherwise our bitfield scheme would not work.) */ | |
3140 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
3141 | ||
3142 | /* Fill in the params struct */ | |
93da9cc1 | 3143 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, |
3144 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); | |
3145 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, | |
3146 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16); | |
3147 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, | |
3148 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16); | |
3149 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, | |
3150 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16); | |
3151 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, | |
3152 | mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); | |
3153 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, | |
3154 | mask, NL80211_MESHCONF_TTL, nla_get_u8); | |
45904f21 JC |
3155 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, |
3156 | mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); | |
93da9cc1 | 3157 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, |
3158 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); | |
3159 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, | |
3160 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
3161 | nla_get_u8); | |
3162 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, | |
3163 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32); | |
3164 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, | |
3165 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
3166 | nla_get_u16); | |
3167 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, | |
3168 | mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
3169 | nla_get_u32); | |
3170 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, | |
3171 | mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
3172 | nla_get_u16); | |
3173 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
3174 | dot11MeshHWMPnetDiameterTraversalTime, | |
3175 | mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
3176 | nla_get_u16); | |
63c5723b RP |
3177 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3178 | dot11MeshHWMPRootMode, mask, | |
3179 | NL80211_MESHCONF_HWMP_ROOTMODE, | |
3180 | nla_get_u8); | |
0507e159 JC |
3181 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3182 | dot11MeshHWMPRannInterval, mask, | |
3183 | NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
3184 | nla_get_u16); | |
16dd7267 JC |
3185 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3186 | dot11MeshGateAnnouncementProtocol, mask, | |
3187 | NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
3188 | nla_get_u8); | |
bd90fdcc JB |
3189 | if (mask_out) |
3190 | *mask_out = mask; | |
c80d545d | 3191 | |
bd90fdcc JB |
3192 | return 0; |
3193 | ||
3194 | #undef FILL_IN_MESH_PARAM_IF_SET | |
3195 | } | |
3196 | ||
c80d545d JC |
3197 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
3198 | struct mesh_setup *setup) | |
3199 | { | |
3200 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; | |
3201 | ||
3202 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
3203 | return -EINVAL; | |
3204 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
3205 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
3206 | nl80211_mesh_setup_params_policy)) | |
3207 | return -EINVAL; | |
3208 | ||
3209 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) | |
3210 | setup->path_sel_proto = | |
3211 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
3212 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
3213 | IEEE80211_PATH_PROTOCOL_HWMP; | |
3214 | ||
3215 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
3216 | setup->path_metric = | |
3217 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
3218 | IEEE80211_PATH_METRIC_VENDOR : | |
3219 | IEEE80211_PATH_METRIC_AIRTIME; | |
3220 | ||
581a8b0f JC |
3221 | |
3222 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 3223 | struct nlattr *ieattr = |
581a8b0f | 3224 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
3225 | if (!is_valid_ie_attr(ieattr)) |
3226 | return -EINVAL; | |
581a8b0f JC |
3227 | setup->ie = nla_data(ieattr); |
3228 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 3229 | } |
b130e5ce JC |
3230 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
3231 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
c80d545d JC |
3232 | |
3233 | return 0; | |
3234 | } | |
3235 | ||
24bdd9f4 | 3236 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 3237 | struct genl_info *info) |
bd90fdcc JB |
3238 | { |
3239 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3240 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 3241 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
3242 | struct mesh_config cfg; |
3243 | u32 mask; | |
3244 | int err; | |
3245 | ||
29cbe68c JB |
3246 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3247 | return -EOPNOTSUPP; | |
3248 | ||
24bdd9f4 | 3249 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
3250 | return -EOPNOTSUPP; |
3251 | ||
24bdd9f4 | 3252 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
3253 | if (err) |
3254 | return err; | |
3255 | ||
29cbe68c JB |
3256 | wdev_lock(wdev); |
3257 | if (!wdev->mesh_id_len) | |
3258 | err = -ENOLINK; | |
3259 | ||
3260 | if (!err) | |
24bdd9f4 | 3261 | err = rdev->ops->update_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
3262 | mask, &cfg); |
3263 | ||
3264 | wdev_unlock(wdev); | |
3265 | ||
3266 | return err; | |
93da9cc1 | 3267 | } |
3268 | ||
f130347c LR |
3269 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
3270 | { | |
3271 | struct sk_buff *msg; | |
3272 | void *hdr = NULL; | |
3273 | struct nlattr *nl_reg_rules; | |
3274 | unsigned int i; | |
3275 | int err = -EINVAL; | |
3276 | ||
a1794390 | 3277 | mutex_lock(&cfg80211_mutex); |
f130347c LR |
3278 | |
3279 | if (!cfg80211_regdomain) | |
3280 | goto out; | |
3281 | ||
fd2120ca | 3282 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
f130347c LR |
3283 | if (!msg) { |
3284 | err = -ENOBUFS; | |
3285 | goto out; | |
3286 | } | |
3287 | ||
3288 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
3289 | NL80211_CMD_GET_REG); | |
3290 | if (!hdr) | |
efe1cf0c | 3291 | goto put_failure; |
f130347c LR |
3292 | |
3293 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, | |
3294 | cfg80211_regdomain->alpha2); | |
3295 | ||
3296 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); | |
3297 | if (!nl_reg_rules) | |
3298 | goto nla_put_failure; | |
3299 | ||
3300 | for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) { | |
3301 | struct nlattr *nl_reg_rule; | |
3302 | const struct ieee80211_reg_rule *reg_rule; | |
3303 | const struct ieee80211_freq_range *freq_range; | |
3304 | const struct ieee80211_power_rule *power_rule; | |
3305 | ||
3306 | reg_rule = &cfg80211_regdomain->reg_rules[i]; | |
3307 | freq_range = ®_rule->freq_range; | |
3308 | power_rule = ®_rule->power_rule; | |
3309 | ||
3310 | nl_reg_rule = nla_nest_start(msg, i); | |
3311 | if (!nl_reg_rule) | |
3312 | goto nla_put_failure; | |
3313 | ||
3314 | NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS, | |
3315 | reg_rule->flags); | |
3316 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
3317 | freq_range->start_freq_khz); | |
3318 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
3319 | freq_range->end_freq_khz); | |
3320 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
3321 | freq_range->max_bandwidth_khz); | |
3322 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
3323 | power_rule->max_antenna_gain); | |
3324 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
3325 | power_rule->max_eirp); | |
3326 | ||
3327 | nla_nest_end(msg, nl_reg_rule); | |
3328 | } | |
3329 | ||
3330 | nla_nest_end(msg, nl_reg_rules); | |
3331 | ||
3332 | genlmsg_end(msg, hdr); | |
134e6375 | 3333 | err = genlmsg_reply(msg, info); |
f130347c LR |
3334 | goto out; |
3335 | ||
3336 | nla_put_failure: | |
3337 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 3338 | put_failure: |
d080e275 | 3339 | nlmsg_free(msg); |
f130347c LR |
3340 | err = -EMSGSIZE; |
3341 | out: | |
a1794390 | 3342 | mutex_unlock(&cfg80211_mutex); |
f130347c LR |
3343 | return err; |
3344 | } | |
3345 | ||
b2e1b302 LR |
3346 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
3347 | { | |
3348 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
3349 | struct nlattr *nl_reg_rule; | |
3350 | char *alpha2 = NULL; | |
3351 | int rem_reg_rules = 0, r = 0; | |
3352 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
3353 | struct ieee80211_regdomain *rd = NULL; | |
3354 | ||
3355 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
3356 | return -EINVAL; | |
3357 | ||
3358 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
3359 | return -EINVAL; | |
3360 | ||
3361 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
3362 | ||
3363 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], | |
3364 | rem_reg_rules) { | |
3365 | num_rules++; | |
3366 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 3367 | return -EINVAL; |
b2e1b302 LR |
3368 | } |
3369 | ||
61405e97 LR |
3370 | mutex_lock(&cfg80211_mutex); |
3371 | ||
d0e18f83 LR |
3372 | if (!reg_is_valid_request(alpha2)) { |
3373 | r = -EINVAL; | |
3374 | goto bad_reg; | |
3375 | } | |
b2e1b302 LR |
3376 | |
3377 | size_of_regd = sizeof(struct ieee80211_regdomain) + | |
3378 | (num_rules * sizeof(struct ieee80211_reg_rule)); | |
3379 | ||
3380 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
d0e18f83 LR |
3381 | if (!rd) { |
3382 | r = -ENOMEM; | |
3383 | goto bad_reg; | |
3384 | } | |
b2e1b302 LR |
3385 | |
3386 | rd->n_reg_rules = num_rules; | |
3387 | rd->alpha2[0] = alpha2[0]; | |
3388 | rd->alpha2[1] = alpha2[1]; | |
3389 | ||
3390 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], | |
3391 | rem_reg_rules) { | |
3392 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, | |
3393 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
3394 | reg_rule_policy); | |
3395 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); | |
3396 | if (r) | |
3397 | goto bad_reg; | |
3398 | ||
3399 | rule_idx++; | |
3400 | ||
d0e18f83 LR |
3401 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
3402 | r = -EINVAL; | |
b2e1b302 | 3403 | goto bad_reg; |
d0e18f83 | 3404 | } |
b2e1b302 LR |
3405 | } |
3406 | ||
3407 | BUG_ON(rule_idx != num_rules); | |
3408 | ||
b2e1b302 | 3409 | r = set_regdom(rd); |
61405e97 | 3410 | |
a1794390 | 3411 | mutex_unlock(&cfg80211_mutex); |
d0e18f83 | 3412 | |
b2e1b302 LR |
3413 | return r; |
3414 | ||
d2372b31 | 3415 | bad_reg: |
61405e97 | 3416 | mutex_unlock(&cfg80211_mutex); |
b2e1b302 | 3417 | kfree(rd); |
d0e18f83 | 3418 | return r; |
b2e1b302 LR |
3419 | } |
3420 | ||
83f5e2cf JB |
3421 | static int validate_scan_freqs(struct nlattr *freqs) |
3422 | { | |
3423 | struct nlattr *attr1, *attr2; | |
3424 | int n_channels = 0, tmp1, tmp2; | |
3425 | ||
3426 | nla_for_each_nested(attr1, freqs, tmp1) { | |
3427 | n_channels++; | |
3428 | /* | |
3429 | * Some hardware has a limited channel list for | |
3430 | * scanning, and it is pretty much nonsensical | |
3431 | * to scan for a channel twice, so disallow that | |
3432 | * and don't require drivers to check that the | |
3433 | * channel list they get isn't longer than what | |
3434 | * they can scan, as long as they can scan all | |
3435 | * the channels they registered at once. | |
3436 | */ | |
3437 | nla_for_each_nested(attr2, freqs, tmp2) | |
3438 | if (attr1 != attr2 && | |
3439 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
3440 | return 0; | |
3441 | } | |
3442 | ||
3443 | return n_channels; | |
3444 | } | |
3445 | ||
2a519311 JB |
3446 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
3447 | { | |
4c476991 JB |
3448 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3449 | struct net_device *dev = info->user_ptr[1]; | |
2a519311 | 3450 | struct cfg80211_scan_request *request; |
2a519311 JB |
3451 | struct nlattr *attr; |
3452 | struct wiphy *wiphy; | |
83f5e2cf | 3453 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 3454 | size_t ie_len; |
2a519311 | 3455 | |
f4a11bb0 JB |
3456 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3457 | return -EINVAL; | |
3458 | ||
79c97e97 | 3459 | wiphy = &rdev->wiphy; |
2a519311 | 3460 | |
4c476991 JB |
3461 | if (!rdev->ops->scan) |
3462 | return -EOPNOTSUPP; | |
2a519311 | 3463 | |
4c476991 JB |
3464 | if (rdev->scan_req) |
3465 | return -EBUSY; | |
2a519311 JB |
3466 | |
3467 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
3468 | n_channels = validate_scan_freqs( |
3469 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
4c476991 JB |
3470 | if (!n_channels) |
3471 | return -EINVAL; | |
2a519311 | 3472 | } else { |
34850ab2 | 3473 | enum ieee80211_band band; |
83f5e2cf JB |
3474 | n_channels = 0; |
3475 | ||
2a519311 JB |
3476 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
3477 | if (wiphy->bands[band]) | |
3478 | n_channels += wiphy->bands[band]->n_channels; | |
3479 | } | |
3480 | ||
3481 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
3482 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
3483 | n_ssids++; | |
3484 | ||
4c476991 JB |
3485 | if (n_ssids > wiphy->max_scan_ssids) |
3486 | return -EINVAL; | |
2a519311 | 3487 | |
70692ad2 JM |
3488 | if (info->attrs[NL80211_ATTR_IE]) |
3489 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3490 | else | |
3491 | ie_len = 0; | |
3492 | ||
4c476991 JB |
3493 | if (ie_len > wiphy->max_scan_ie_len) |
3494 | return -EINVAL; | |
18a83659 | 3495 | |
2a519311 | 3496 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
3497 | + sizeof(*request->ssids) * n_ssids |
3498 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 3499 | + ie_len, GFP_KERNEL); |
4c476991 JB |
3500 | if (!request) |
3501 | return -ENOMEM; | |
2a519311 | 3502 | |
2a519311 | 3503 | if (n_ssids) |
5ba63533 | 3504 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 3505 | request->n_ssids = n_ssids; |
70692ad2 JM |
3506 | if (ie_len) { |
3507 | if (request->ssids) | |
3508 | request->ie = (void *)(request->ssids + n_ssids); | |
3509 | else | |
3510 | request->ie = (void *)(request->channels + n_channels); | |
3511 | } | |
2a519311 | 3512 | |
584991dc | 3513 | i = 0; |
2a519311 JB |
3514 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
3515 | /* user specified, bail out if channel not found */ | |
2a519311 | 3516 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
3517 | struct ieee80211_channel *chan; |
3518 | ||
3519 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
3520 | ||
3521 | if (!chan) { | |
2a519311 JB |
3522 | err = -EINVAL; |
3523 | goto out_free; | |
3524 | } | |
584991dc JB |
3525 | |
3526 | /* ignore disabled channels */ | |
3527 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3528 | continue; | |
3529 | ||
3530 | request->channels[i] = chan; | |
2a519311 JB |
3531 | i++; |
3532 | } | |
3533 | } else { | |
34850ab2 JB |
3534 | enum ieee80211_band band; |
3535 | ||
2a519311 | 3536 | /* all channels */ |
2a519311 JB |
3537 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
3538 | int j; | |
3539 | if (!wiphy->bands[band]) | |
3540 | continue; | |
3541 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
3542 | struct ieee80211_channel *chan; |
3543 | ||
3544 | chan = &wiphy->bands[band]->channels[j]; | |
3545 | ||
3546 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3547 | continue; | |
3548 | ||
3549 | request->channels[i] = chan; | |
2a519311 JB |
3550 | i++; |
3551 | } | |
3552 | } | |
3553 | } | |
3554 | ||
584991dc JB |
3555 | if (!i) { |
3556 | err = -EINVAL; | |
3557 | goto out_free; | |
3558 | } | |
3559 | ||
3560 | request->n_channels = i; | |
3561 | ||
2a519311 JB |
3562 | i = 0; |
3563 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
3564 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 3565 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
3566 | err = -EINVAL; |
3567 | goto out_free; | |
3568 | } | |
57a27e1d | 3569 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 3570 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
3571 | i++; |
3572 | } | |
3573 | } | |
3574 | ||
70692ad2 JM |
3575 | if (info->attrs[NL80211_ATTR_IE]) { |
3576 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
3577 | memcpy((void *)request->ie, |
3578 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
3579 | request->ie_len); |
3580 | } | |
3581 | ||
34850ab2 | 3582 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
3583 | if (wiphy->bands[i]) |
3584 | request->rates[i] = | |
3585 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
3586 | |
3587 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
3588 | nla_for_each_nested(attr, | |
3589 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
3590 | tmp) { | |
3591 | enum ieee80211_band band = nla_type(attr); | |
3592 | ||
84404623 | 3593 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
3594 | err = -EINVAL; |
3595 | goto out_free; | |
3596 | } | |
3597 | err = ieee80211_get_ratemask(wiphy->bands[band], | |
3598 | nla_data(attr), | |
3599 | nla_len(attr), | |
3600 | &request->rates[band]); | |
3601 | if (err) | |
3602 | goto out_free; | |
3603 | } | |
3604 | } | |
3605 | ||
463d0183 | 3606 | request->dev = dev; |
79c97e97 | 3607 | request->wiphy = &rdev->wiphy; |
2a519311 | 3608 | |
79c97e97 JB |
3609 | rdev->scan_req = request; |
3610 | err = rdev->ops->scan(&rdev->wiphy, dev, request); | |
2a519311 | 3611 | |
463d0183 | 3612 | if (!err) { |
79c97e97 | 3613 | nl80211_send_scan_start(rdev, dev); |
463d0183 | 3614 | dev_hold(dev); |
4c476991 | 3615 | } else { |
2a519311 | 3616 | out_free: |
79c97e97 | 3617 | rdev->scan_req = NULL; |
2a519311 JB |
3618 | kfree(request); |
3619 | } | |
3b85875a | 3620 | |
2a519311 JB |
3621 | return err; |
3622 | } | |
3623 | ||
807f8a8c LC |
3624 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
3625 | struct genl_info *info) | |
3626 | { | |
3627 | struct cfg80211_sched_scan_request *request; | |
3628 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3629 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
3630 | struct nlattr *attr; |
3631 | struct wiphy *wiphy; | |
3632 | int err, tmp, n_ssids = 0, n_channels, i; | |
bbe6ad6d | 3633 | u32 interval; |
807f8a8c LC |
3634 | enum ieee80211_band band; |
3635 | size_t ie_len; | |
3636 | ||
3637 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
3638 | !rdev->ops->sched_scan_start) | |
3639 | return -EOPNOTSUPP; | |
3640 | ||
3641 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
3642 | return -EINVAL; | |
3643 | ||
bbe6ad6d LC |
3644 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
3645 | return -EINVAL; | |
3646 | ||
3647 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
3648 | if (interval == 0) | |
3649 | return -EINVAL; | |
3650 | ||
807f8a8c LC |
3651 | wiphy = &rdev->wiphy; |
3652 | ||
3653 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
3654 | n_channels = validate_scan_freqs( | |
3655 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
3656 | if (!n_channels) | |
3657 | return -EINVAL; | |
3658 | } else { | |
3659 | n_channels = 0; | |
3660 | ||
3661 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
3662 | if (wiphy->bands[band]) | |
3663 | n_channels += wiphy->bands[band]->n_channels; | |
3664 | } | |
3665 | ||
3666 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
3667 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
3668 | tmp) | |
3669 | n_ssids++; | |
3670 | ||
93b6aa69 | 3671 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
3672 | return -EINVAL; |
3673 | ||
3674 | if (info->attrs[NL80211_ATTR_IE]) | |
3675 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3676 | else | |
3677 | ie_len = 0; | |
3678 | ||
5a865bad | 3679 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
3680 | return -EINVAL; |
3681 | ||
c10841ca LC |
3682 | mutex_lock(&rdev->sched_scan_mtx); |
3683 | ||
3684 | if (rdev->sched_scan_req) { | |
3685 | err = -EINPROGRESS; | |
3686 | goto out; | |
3687 | } | |
3688 | ||
807f8a8c | 3689 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
3690 | + sizeof(*request->ssids) * n_ssids |
3691 | + sizeof(*request->channels) * n_channels | |
807f8a8c | 3692 | + ie_len, GFP_KERNEL); |
c10841ca LC |
3693 | if (!request) { |
3694 | err = -ENOMEM; | |
3695 | goto out; | |
3696 | } | |
807f8a8c LC |
3697 | |
3698 | if (n_ssids) | |
3699 | request->ssids = (void *)&request->channels[n_channels]; | |
3700 | request->n_ssids = n_ssids; | |
3701 | if (ie_len) { | |
3702 | if (request->ssids) | |
3703 | request->ie = (void *)(request->ssids + n_ssids); | |
3704 | else | |
3705 | request->ie = (void *)(request->channels + n_channels); | |
3706 | } | |
3707 | ||
3708 | i = 0; | |
3709 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
3710 | /* user specified, bail out if channel not found */ | |
3711 | nla_for_each_nested(attr, | |
3712 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
3713 | tmp) { | |
3714 | struct ieee80211_channel *chan; | |
3715 | ||
3716 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
3717 | ||
3718 | if (!chan) { | |
3719 | err = -EINVAL; | |
3720 | goto out_free; | |
3721 | } | |
3722 | ||
3723 | /* ignore disabled channels */ | |
3724 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3725 | continue; | |
3726 | ||
3727 | request->channels[i] = chan; | |
3728 | i++; | |
3729 | } | |
3730 | } else { | |
3731 | /* all channels */ | |
3732 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
3733 | int j; | |
3734 | if (!wiphy->bands[band]) | |
3735 | continue; | |
3736 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
3737 | struct ieee80211_channel *chan; | |
3738 | ||
3739 | chan = &wiphy->bands[band]->channels[j]; | |
3740 | ||
3741 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3742 | continue; | |
3743 | ||
3744 | request->channels[i] = chan; | |
3745 | i++; | |
3746 | } | |
3747 | } | |
3748 | } | |
3749 | ||
3750 | if (!i) { | |
3751 | err = -EINVAL; | |
3752 | goto out_free; | |
3753 | } | |
3754 | ||
3755 | request->n_channels = i; | |
3756 | ||
3757 | i = 0; | |
3758 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
3759 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
3760 | tmp) { | |
57a27e1d | 3761 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
3762 | err = -EINVAL; |
3763 | goto out_free; | |
3764 | } | |
57a27e1d | 3765 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
3766 | memcpy(request->ssids[i].ssid, nla_data(attr), |
3767 | nla_len(attr)); | |
807f8a8c LC |
3768 | i++; |
3769 | } | |
3770 | } | |
3771 | ||
3772 | if (info->attrs[NL80211_ATTR_IE]) { | |
3773 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3774 | memcpy((void *)request->ie, | |
3775 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
3776 | request->ie_len); | |
3777 | } | |
3778 | ||
3779 | request->dev = dev; | |
3780 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 3781 | request->interval = interval; |
807f8a8c LC |
3782 | |
3783 | err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request); | |
3784 | if (!err) { | |
3785 | rdev->sched_scan_req = request; | |
3786 | nl80211_send_sched_scan(rdev, dev, | |
3787 | NL80211_CMD_START_SCHED_SCAN); | |
3788 | goto out; | |
3789 | } | |
3790 | ||
3791 | out_free: | |
3792 | kfree(request); | |
3793 | out: | |
c10841ca | 3794 | mutex_unlock(&rdev->sched_scan_mtx); |
807f8a8c LC |
3795 | return err; |
3796 | } | |
3797 | ||
3798 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
3799 | struct genl_info *info) | |
3800 | { | |
3801 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
c10841ca | 3802 | int err; |
807f8a8c LC |
3803 | |
3804 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
3805 | !rdev->ops->sched_scan_stop) | |
3806 | return -EOPNOTSUPP; | |
3807 | ||
c10841ca LC |
3808 | mutex_lock(&rdev->sched_scan_mtx); |
3809 | err = __cfg80211_stop_sched_scan(rdev, false); | |
3810 | mutex_unlock(&rdev->sched_scan_mtx); | |
3811 | ||
3812 | return err; | |
807f8a8c LC |
3813 | } |
3814 | ||
9720bb3a JB |
3815 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
3816 | u32 seq, int flags, | |
2a519311 | 3817 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
3818 | struct wireless_dev *wdev, |
3819 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 3820 | { |
48ab905d | 3821 | struct cfg80211_bss *res = &intbss->pub; |
2a519311 JB |
3822 | void *hdr; |
3823 | struct nlattr *bss; | |
48ab905d JB |
3824 | int i; |
3825 | ||
3826 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 3827 | |
9720bb3a | 3828 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags, |
2a519311 JB |
3829 | NL80211_CMD_NEW_SCAN_RESULTS); |
3830 | if (!hdr) | |
3831 | return -1; | |
3832 | ||
9720bb3a JB |
3833 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
3834 | ||
f5ea9120 | 3835 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation); |
48ab905d | 3836 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex); |
2a519311 JB |
3837 | |
3838 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
3839 | if (!bss) | |
3840 | goto nla_put_failure; | |
3841 | if (!is_zero_ether_addr(res->bssid)) | |
3842 | NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid); | |
3843 | if (res->information_elements && res->len_information_elements) | |
3844 | NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
3845 | res->len_information_elements, | |
3846 | res->information_elements); | |
34a6eddb JM |
3847 | if (res->beacon_ies && res->len_beacon_ies && |
3848 | res->beacon_ies != res->information_elements) | |
3849 | NLA_PUT(msg, NL80211_BSS_BEACON_IES, | |
3850 | res->len_beacon_ies, res->beacon_ies); | |
2a519311 JB |
3851 | if (res->tsf) |
3852 | NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf); | |
3853 | if (res->beacon_interval) | |
3854 | NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval); | |
3855 | NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability); | |
3856 | NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq); | |
7c89606e HS |
3857 | NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO, |
3858 | jiffies_to_msecs(jiffies - intbss->ts)); | |
2a519311 | 3859 | |
77965c97 | 3860 | switch (rdev->wiphy.signal_type) { |
2a519311 JB |
3861 | case CFG80211_SIGNAL_TYPE_MBM: |
3862 | NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal); | |
3863 | break; | |
3864 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
3865 | NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal); | |
3866 | break; | |
3867 | default: | |
3868 | break; | |
3869 | } | |
3870 | ||
48ab905d | 3871 | switch (wdev->iftype) { |
074ac8df | 3872 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d JB |
3873 | case NL80211_IFTYPE_STATION: |
3874 | if (intbss == wdev->current_bss) | |
3875 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
3876 | NL80211_BSS_STATUS_ASSOCIATED); | |
3877 | else for (i = 0; i < MAX_AUTH_BSSES; i++) { | |
3878 | if (intbss != wdev->auth_bsses[i]) | |
3879 | continue; | |
3880 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
3881 | NL80211_BSS_STATUS_AUTHENTICATED); | |
3882 | break; | |
3883 | } | |
3884 | break; | |
3885 | case NL80211_IFTYPE_ADHOC: | |
3886 | if (intbss == wdev->current_bss) | |
3887 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
3888 | NL80211_BSS_STATUS_IBSS_JOINED); | |
3889 | break; | |
3890 | default: | |
3891 | break; | |
3892 | } | |
3893 | ||
2a519311 JB |
3894 | nla_nest_end(msg, bss); |
3895 | ||
3896 | return genlmsg_end(msg, hdr); | |
3897 | ||
3898 | nla_put_failure: | |
3899 | genlmsg_cancel(msg, hdr); | |
3900 | return -EMSGSIZE; | |
3901 | } | |
3902 | ||
3903 | static int nl80211_dump_scan(struct sk_buff *skb, | |
3904 | struct netlink_callback *cb) | |
3905 | { | |
48ab905d JB |
3906 | struct cfg80211_registered_device *rdev; |
3907 | struct net_device *dev; | |
2a519311 | 3908 | struct cfg80211_internal_bss *scan; |
48ab905d | 3909 | struct wireless_dev *wdev; |
2a519311 JB |
3910 | int start = cb->args[1], idx = 0; |
3911 | int err; | |
3912 | ||
67748893 JB |
3913 | err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev); |
3914 | if (err) | |
3915 | return err; | |
2a519311 | 3916 | |
48ab905d | 3917 | wdev = dev->ieee80211_ptr; |
2a519311 | 3918 | |
48ab905d JB |
3919 | wdev_lock(wdev); |
3920 | spin_lock_bh(&rdev->bss_lock); | |
3921 | cfg80211_bss_expire(rdev); | |
3922 | ||
9720bb3a JB |
3923 | cb->seq = rdev->bss_generation; |
3924 | ||
48ab905d | 3925 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
3926 | if (++idx <= start) |
3927 | continue; | |
9720bb3a | 3928 | if (nl80211_send_bss(skb, cb, |
2a519311 | 3929 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 3930 | rdev, wdev, scan) < 0) { |
2a519311 | 3931 | idx--; |
67748893 | 3932 | break; |
2a519311 JB |
3933 | } |
3934 | } | |
3935 | ||
48ab905d JB |
3936 | spin_unlock_bh(&rdev->bss_lock); |
3937 | wdev_unlock(wdev); | |
2a519311 JB |
3938 | |
3939 | cb->args[1] = idx; | |
67748893 | 3940 | nl80211_finish_netdev_dump(rdev); |
2a519311 | 3941 | |
67748893 | 3942 | return skb->len; |
2a519311 JB |
3943 | } |
3944 | ||
61fa713c HS |
3945 | static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, |
3946 | int flags, struct net_device *dev, | |
3947 | struct survey_info *survey) | |
3948 | { | |
3949 | void *hdr; | |
3950 | struct nlattr *infoattr; | |
3951 | ||
61fa713c HS |
3952 | hdr = nl80211hdr_put(msg, pid, seq, flags, |
3953 | NL80211_CMD_NEW_SURVEY_RESULTS); | |
3954 | if (!hdr) | |
3955 | return -ENOMEM; | |
3956 | ||
3957 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
3958 | ||
3959 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
3960 | if (!infoattr) | |
3961 | goto nla_put_failure; | |
3962 | ||
3963 | NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
3964 | survey->channel->center_freq); | |
3965 | if (survey->filled & SURVEY_INFO_NOISE_DBM) | |
3966 | NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE, | |
3967 | survey->noise); | |
17e5a808 FF |
3968 | if (survey->filled & SURVEY_INFO_IN_USE) |
3969 | NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE); | |
8610c29a FF |
3970 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME) |
3971 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
3972 | survey->channel_time); | |
3973 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
3974 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
3975 | survey->channel_time_busy); | |
3976 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
3977 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
3978 | survey->channel_time_ext_busy); | |
3979 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
3980 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
3981 | survey->channel_time_rx); | |
3982 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
3983 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
3984 | survey->channel_time_tx); | |
61fa713c HS |
3985 | |
3986 | nla_nest_end(msg, infoattr); | |
3987 | ||
3988 | return genlmsg_end(msg, hdr); | |
3989 | ||
3990 | nla_put_failure: | |
3991 | genlmsg_cancel(msg, hdr); | |
3992 | return -EMSGSIZE; | |
3993 | } | |
3994 | ||
3995 | static int nl80211_dump_survey(struct sk_buff *skb, | |
3996 | struct netlink_callback *cb) | |
3997 | { | |
3998 | struct survey_info survey; | |
3999 | struct cfg80211_registered_device *dev; | |
4000 | struct net_device *netdev; | |
61fa713c HS |
4001 | int survey_idx = cb->args[1]; |
4002 | int res; | |
4003 | ||
67748893 JB |
4004 | res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
4005 | if (res) | |
4006 | return res; | |
61fa713c HS |
4007 | |
4008 | if (!dev->ops->dump_survey) { | |
4009 | res = -EOPNOTSUPP; | |
4010 | goto out_err; | |
4011 | } | |
4012 | ||
4013 | while (1) { | |
180cdc79 LR |
4014 | struct ieee80211_channel *chan; |
4015 | ||
61fa713c HS |
4016 | res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx, |
4017 | &survey); | |
4018 | if (res == -ENOENT) | |
4019 | break; | |
4020 | if (res) | |
4021 | goto out_err; | |
4022 | ||
180cdc79 LR |
4023 | /* Survey without a channel doesn't make sense */ |
4024 | if (!survey.channel) { | |
4025 | res = -EINVAL; | |
4026 | goto out; | |
4027 | } | |
4028 | ||
4029 | chan = ieee80211_get_channel(&dev->wiphy, | |
4030 | survey.channel->center_freq); | |
4031 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
4032 | survey_idx++; | |
4033 | continue; | |
4034 | } | |
4035 | ||
61fa713c HS |
4036 | if (nl80211_send_survey(skb, |
4037 | NETLINK_CB(cb->skb).pid, | |
4038 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4039 | netdev, | |
4040 | &survey) < 0) | |
4041 | goto out; | |
4042 | survey_idx++; | |
4043 | } | |
4044 | ||
4045 | out: | |
4046 | cb->args[1] = survey_idx; | |
4047 | res = skb->len; | |
4048 | out_err: | |
67748893 | 4049 | nl80211_finish_netdev_dump(dev); |
61fa713c HS |
4050 | return res; |
4051 | } | |
4052 | ||
255e737e JM |
4053 | static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type) |
4054 | { | |
b23aa676 SO |
4055 | return auth_type <= NL80211_AUTHTYPE_MAX; |
4056 | } | |
4057 | ||
4058 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) | |
4059 | { | |
4060 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
4061 | NL80211_WPA_VERSION_2)); | |
4062 | } | |
4063 | ||
4064 | static bool nl80211_valid_akm_suite(u32 akm) | |
4065 | { | |
4066 | return akm == WLAN_AKM_SUITE_8021X || | |
4067 | akm == WLAN_AKM_SUITE_PSK; | |
4068 | } | |
4069 | ||
4070 | static bool nl80211_valid_cipher_suite(u32 cipher) | |
4071 | { | |
4072 | return cipher == WLAN_CIPHER_SUITE_WEP40 || | |
4073 | cipher == WLAN_CIPHER_SUITE_WEP104 || | |
4074 | cipher == WLAN_CIPHER_SUITE_TKIP || | |
4075 | cipher == WLAN_CIPHER_SUITE_CCMP || | |
4076 | cipher == WLAN_CIPHER_SUITE_AES_CMAC; | |
255e737e JM |
4077 | } |
4078 | ||
b23aa676 | 4079 | |
636a5d36 JM |
4080 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
4081 | { | |
4c476991 JB |
4082 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4083 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 JB |
4084 | struct ieee80211_channel *chan; |
4085 | const u8 *bssid, *ssid, *ie = NULL; | |
4086 | int err, ssid_len, ie_len = 0; | |
4087 | enum nl80211_auth_type auth_type; | |
fffd0934 | 4088 | struct key_parse key; |
d5cdfacb | 4089 | bool local_state_change; |
636a5d36 | 4090 | |
f4a11bb0 JB |
4091 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4092 | return -EINVAL; | |
4093 | ||
4094 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4095 | return -EINVAL; | |
4096 | ||
1778092e JM |
4097 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
4098 | return -EINVAL; | |
4099 | ||
19957bb3 JB |
4100 | if (!info->attrs[NL80211_ATTR_SSID]) |
4101 | return -EINVAL; | |
4102 | ||
4103 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
4104 | return -EINVAL; | |
4105 | ||
fffd0934 JB |
4106 | err = nl80211_parse_key(info, &key); |
4107 | if (err) | |
4108 | return err; | |
4109 | ||
4110 | if (key.idx >= 0) { | |
e31b8213 JB |
4111 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
4112 | return -EINVAL; | |
fffd0934 JB |
4113 | if (!key.p.key || !key.p.key_len) |
4114 | return -EINVAL; | |
4115 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
4116 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
4117 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
4118 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
4119 | return -EINVAL; | |
4120 | if (key.idx > 4) | |
4121 | return -EINVAL; | |
4122 | } else { | |
4123 | key.p.key_len = 0; | |
4124 | key.p.key = NULL; | |
4125 | } | |
4126 | ||
afea0b7a JB |
4127 | if (key.idx >= 0) { |
4128 | int i; | |
4129 | bool ok = false; | |
4130 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
4131 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
4132 | ok = true; | |
4133 | break; | |
4134 | } | |
4135 | } | |
4c476991 JB |
4136 | if (!ok) |
4137 | return -EINVAL; | |
afea0b7a JB |
4138 | } |
4139 | ||
4c476991 JB |
4140 | if (!rdev->ops->auth) |
4141 | return -EOPNOTSUPP; | |
636a5d36 | 4142 | |
074ac8df | 4143 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4144 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4145 | return -EOPNOTSUPP; | |
eec60b03 | 4146 | |
19957bb3 | 4147 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 4148 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 4149 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
4150 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
4151 | return -EINVAL; | |
636a5d36 | 4152 | |
19957bb3 JB |
4153 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4154 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
4155 | |
4156 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4157 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4158 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4159 | } |
4160 | ||
19957bb3 | 4161 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
4c476991 JB |
4162 | if (!nl80211_valid_auth_type(auth_type)) |
4163 | return -EINVAL; | |
636a5d36 | 4164 | |
d5cdfacb JM |
4165 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4166 | ||
4c476991 JB |
4167 | return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
4168 | ssid, ssid_len, ie, ie_len, | |
4169 | key.p.key, key.p.key_len, key.idx, | |
4170 | local_state_change); | |
636a5d36 JM |
4171 | } |
4172 | ||
c0692b8f JB |
4173 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
4174 | struct genl_info *info, | |
3dc27d25 JB |
4175 | struct cfg80211_crypto_settings *settings, |
4176 | int cipher_limit) | |
b23aa676 | 4177 | { |
c0b2bbd8 JB |
4178 | memset(settings, 0, sizeof(*settings)); |
4179 | ||
b23aa676 SO |
4180 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
4181 | ||
c0692b8f JB |
4182 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
4183 | u16 proto; | |
4184 | proto = nla_get_u16( | |
4185 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
4186 | settings->control_port_ethertype = cpu_to_be16(proto); | |
4187 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
4188 | proto != ETH_P_PAE) | |
4189 | return -EINVAL; | |
4190 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
4191 | settings->control_port_no_encrypt = true; | |
4192 | } else | |
4193 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
4194 | ||
b23aa676 SO |
4195 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
4196 | void *data; | |
4197 | int len, i; | |
4198 | ||
4199 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
4200 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
4201 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
4202 | ||
4203 | if (len % sizeof(u32)) | |
4204 | return -EINVAL; | |
4205 | ||
3dc27d25 | 4206 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
4207 | return -EINVAL; |
4208 | ||
4209 | memcpy(settings->ciphers_pairwise, data, len); | |
4210 | ||
4211 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
4212 | if (!nl80211_valid_cipher_suite( | |
4213 | settings->ciphers_pairwise[i])) | |
4214 | return -EINVAL; | |
4215 | } | |
4216 | ||
4217 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
4218 | settings->cipher_group = | |
4219 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
4220 | if (!nl80211_valid_cipher_suite(settings->cipher_group)) | |
4221 | return -EINVAL; | |
4222 | } | |
4223 | ||
4224 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
4225 | settings->wpa_versions = | |
4226 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
4227 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
4228 | return -EINVAL; | |
4229 | } | |
4230 | ||
4231 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
4232 | void *data; | |
4233 | int len, i; | |
4234 | ||
4235 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
4236 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
4237 | settings->n_akm_suites = len / sizeof(u32); | |
4238 | ||
4239 | if (len % sizeof(u32)) | |
4240 | return -EINVAL; | |
4241 | ||
4242 | memcpy(settings->akm_suites, data, len); | |
4243 | ||
4244 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
4245 | if (!nl80211_valid_akm_suite(settings->akm_suites[i])) | |
4246 | return -EINVAL; | |
4247 | } | |
4248 | ||
4249 | return 0; | |
4250 | } | |
4251 | ||
636a5d36 JM |
4252 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
4253 | { | |
4c476991 JB |
4254 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4255 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4256 | struct cfg80211_crypto_settings crypto; |
f444de05 | 4257 | struct ieee80211_channel *chan; |
3e5d7649 | 4258 | const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; |
19957bb3 JB |
4259 | int err, ssid_len, ie_len = 0; |
4260 | bool use_mfp = false; | |
636a5d36 | 4261 | |
f4a11bb0 JB |
4262 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4263 | return -EINVAL; | |
4264 | ||
4265 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
4266 | !info->attrs[NL80211_ATTR_SSID] || |
4267 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
4268 | return -EINVAL; |
4269 | ||
4c476991 JB |
4270 | if (!rdev->ops->assoc) |
4271 | return -EOPNOTSUPP; | |
636a5d36 | 4272 | |
074ac8df | 4273 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4274 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4275 | return -EOPNOTSUPP; | |
eec60b03 | 4276 | |
19957bb3 | 4277 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4278 | |
19957bb3 JB |
4279 | chan = ieee80211_get_channel(&rdev->wiphy, |
4280 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
4281 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
4282 | return -EINVAL; | |
636a5d36 | 4283 | |
19957bb3 JB |
4284 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4285 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
4286 | |
4287 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4288 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4289 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4290 | } |
4291 | ||
dc6382ce | 4292 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 4293 | enum nl80211_mfp mfp = |
dc6382ce | 4294 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 4295 | if (mfp == NL80211_MFP_REQUIRED) |
19957bb3 | 4296 | use_mfp = true; |
4c476991 JB |
4297 | else if (mfp != NL80211_MFP_NO) |
4298 | return -EINVAL; | |
dc6382ce JM |
4299 | } |
4300 | ||
3e5d7649 JB |
4301 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
4302 | prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
4303 | ||
c0692b8f | 4304 | err = nl80211_crypto_settings(rdev, info, &crypto, 1); |
b23aa676 | 4305 | if (!err) |
3e5d7649 JB |
4306 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, |
4307 | ssid, ssid_len, ie, ie_len, use_mfp, | |
19957bb3 | 4308 | &crypto); |
636a5d36 | 4309 | |
636a5d36 JM |
4310 | return err; |
4311 | } | |
4312 | ||
4313 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
4314 | { | |
4c476991 JB |
4315 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4316 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4317 | const u8 *ie = NULL, *bssid; |
4c476991 | 4318 | int ie_len = 0; |
19957bb3 | 4319 | u16 reason_code; |
d5cdfacb | 4320 | bool local_state_change; |
636a5d36 | 4321 | |
f4a11bb0 JB |
4322 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4323 | return -EINVAL; | |
4324 | ||
4325 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4326 | return -EINVAL; | |
4327 | ||
4328 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4329 | return -EINVAL; | |
4330 | ||
4c476991 JB |
4331 | if (!rdev->ops->deauth) |
4332 | return -EOPNOTSUPP; | |
636a5d36 | 4333 | |
074ac8df | 4334 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4335 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4336 | return -EOPNOTSUPP; | |
eec60b03 | 4337 | |
19957bb3 | 4338 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4339 | |
19957bb3 JB |
4340 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
4341 | if (reason_code == 0) { | |
f4a11bb0 | 4342 | /* Reason Code 0 is reserved */ |
4c476991 | 4343 | return -EINVAL; |
255e737e | 4344 | } |
636a5d36 JM |
4345 | |
4346 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4347 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4348 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4349 | } |
4350 | ||
d5cdfacb JM |
4351 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4352 | ||
4c476991 JB |
4353 | return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, |
4354 | local_state_change); | |
636a5d36 JM |
4355 | } |
4356 | ||
4357 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
4358 | { | |
4c476991 JB |
4359 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4360 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4361 | const u8 *ie = NULL, *bssid; |
4c476991 | 4362 | int ie_len = 0; |
19957bb3 | 4363 | u16 reason_code; |
d5cdfacb | 4364 | bool local_state_change; |
636a5d36 | 4365 | |
f4a11bb0 JB |
4366 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4367 | return -EINVAL; | |
4368 | ||
4369 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4370 | return -EINVAL; | |
4371 | ||
4372 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4373 | return -EINVAL; | |
4374 | ||
4c476991 JB |
4375 | if (!rdev->ops->disassoc) |
4376 | return -EOPNOTSUPP; | |
636a5d36 | 4377 | |
074ac8df | 4378 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4379 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4380 | return -EOPNOTSUPP; | |
eec60b03 | 4381 | |
19957bb3 | 4382 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4383 | |
19957bb3 JB |
4384 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
4385 | if (reason_code == 0) { | |
f4a11bb0 | 4386 | /* Reason Code 0 is reserved */ |
4c476991 | 4387 | return -EINVAL; |
255e737e | 4388 | } |
636a5d36 JM |
4389 | |
4390 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4391 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4392 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4393 | } |
4394 | ||
d5cdfacb JM |
4395 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4396 | ||
4c476991 JB |
4397 | return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, |
4398 | local_state_change); | |
636a5d36 JM |
4399 | } |
4400 | ||
dd5b4cc7 FF |
4401 | static bool |
4402 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
4403 | int mcast_rate[IEEE80211_NUM_BANDS], | |
4404 | int rateval) | |
4405 | { | |
4406 | struct wiphy *wiphy = &rdev->wiphy; | |
4407 | bool found = false; | |
4408 | int band, i; | |
4409 | ||
4410 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
4411 | struct ieee80211_supported_band *sband; | |
4412 | ||
4413 | sband = wiphy->bands[band]; | |
4414 | if (!sband) | |
4415 | continue; | |
4416 | ||
4417 | for (i = 0; i < sband->n_bitrates; i++) { | |
4418 | if (sband->bitrates[i].bitrate == rateval) { | |
4419 | mcast_rate[band] = i + 1; | |
4420 | found = true; | |
4421 | break; | |
4422 | } | |
4423 | } | |
4424 | } | |
4425 | ||
4426 | return found; | |
4427 | } | |
4428 | ||
04a773ad JB |
4429 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
4430 | { | |
4c476991 JB |
4431 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4432 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
4433 | struct cfg80211_ibss_params ibss; |
4434 | struct wiphy *wiphy; | |
fffd0934 | 4435 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
4436 | int err; |
4437 | ||
8e30bc55 JB |
4438 | memset(&ibss, 0, sizeof(ibss)); |
4439 | ||
04a773ad JB |
4440 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4441 | return -EINVAL; | |
4442 | ||
4443 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
4444 | !info->attrs[NL80211_ATTR_SSID] || | |
4445 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
4446 | return -EINVAL; | |
4447 | ||
8e30bc55 JB |
4448 | ibss.beacon_interval = 100; |
4449 | ||
4450 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
4451 | ibss.beacon_interval = | |
4452 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
4453 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
4454 | return -EINVAL; | |
4455 | } | |
4456 | ||
4c476991 JB |
4457 | if (!rdev->ops->join_ibss) |
4458 | return -EOPNOTSUPP; | |
04a773ad | 4459 | |
4c476991 JB |
4460 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
4461 | return -EOPNOTSUPP; | |
04a773ad | 4462 | |
79c97e97 | 4463 | wiphy = &rdev->wiphy; |
04a773ad JB |
4464 | |
4465 | if (info->attrs[NL80211_ATTR_MAC]) | |
4466 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4467 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
4468 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
4469 | ||
4470 | if (info->attrs[NL80211_ATTR_IE]) { | |
4471 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
4472 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4473 | } | |
4474 | ||
4475 | ibss.channel = ieee80211_get_channel(wiphy, | |
4476 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4477 | if (!ibss.channel || | |
4478 | ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || | |
4c476991 JB |
4479 | ibss.channel->flags & IEEE80211_CHAN_DISABLED) |
4480 | return -EINVAL; | |
04a773ad JB |
4481 | |
4482 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; | |
fffd0934 JB |
4483 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
4484 | ||
fbd2c8dc TP |
4485 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4486 | u8 *rates = | |
4487 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4488 | int n_rates = | |
4489 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4490 | struct ieee80211_supported_band *sband = | |
4491 | wiphy->bands[ibss.channel->band]; | |
34850ab2 | 4492 | int err; |
fbd2c8dc | 4493 | |
34850ab2 JB |
4494 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
4495 | &ibss.basic_rates); | |
4496 | if (err) | |
4497 | return err; | |
fbd2c8dc | 4498 | } |
dd5b4cc7 FF |
4499 | |
4500 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && | |
4501 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
4502 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
4503 | return -EINVAL; | |
fbd2c8dc | 4504 | |
4c476991 JB |
4505 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
4506 | connkeys = nl80211_parse_connkeys(rdev, | |
4507 | info->attrs[NL80211_ATTR_KEYS]); | |
4508 | if (IS_ERR(connkeys)) | |
4509 | return PTR_ERR(connkeys); | |
4510 | } | |
04a773ad | 4511 | |
4c476991 | 4512 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
4513 | if (err) |
4514 | kfree(connkeys); | |
04a773ad JB |
4515 | return err; |
4516 | } | |
4517 | ||
4518 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
4519 | { | |
4c476991 JB |
4520 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4521 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 4522 | |
4c476991 JB |
4523 | if (!rdev->ops->leave_ibss) |
4524 | return -EOPNOTSUPP; | |
04a773ad | 4525 | |
4c476991 JB |
4526 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
4527 | return -EOPNOTSUPP; | |
04a773ad | 4528 | |
4c476991 | 4529 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
4530 | } |
4531 | ||
aff89a9b JB |
4532 | #ifdef CONFIG_NL80211_TESTMODE |
4533 | static struct genl_multicast_group nl80211_testmode_mcgrp = { | |
4534 | .name = "testmode", | |
4535 | }; | |
4536 | ||
4537 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) | |
4538 | { | |
4c476991 | 4539 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
aff89a9b JB |
4540 | int err; |
4541 | ||
4542 | if (!info->attrs[NL80211_ATTR_TESTDATA]) | |
4543 | return -EINVAL; | |
4544 | ||
aff89a9b JB |
4545 | err = -EOPNOTSUPP; |
4546 | if (rdev->ops->testmode_cmd) { | |
4547 | rdev->testmode_info = info; | |
4548 | err = rdev->ops->testmode_cmd(&rdev->wiphy, | |
4549 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), | |
4550 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
4551 | rdev->testmode_info = NULL; | |
4552 | } | |
4553 | ||
aff89a9b JB |
4554 | return err; |
4555 | } | |
4556 | ||
71063f0e WYG |
4557 | static int nl80211_testmode_dump(struct sk_buff *skb, |
4558 | struct netlink_callback *cb) | |
4559 | { | |
4560 | struct cfg80211_registered_device *dev; | |
4561 | int err; | |
4562 | long phy_idx; | |
4563 | void *data = NULL; | |
4564 | int data_len = 0; | |
4565 | ||
4566 | if (cb->args[0]) { | |
4567 | /* | |
4568 | * 0 is a valid index, but not valid for args[0], | |
4569 | * so we need to offset by 1. | |
4570 | */ | |
4571 | phy_idx = cb->args[0] - 1; | |
4572 | } else { | |
4573 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
4574 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
4575 | nl80211_policy); | |
4576 | if (err) | |
4577 | return err; | |
4578 | if (!nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) | |
4579 | return -EINVAL; | |
4580 | phy_idx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]); | |
4581 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) | |
4582 | cb->args[1] = | |
4583 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
4584 | } | |
4585 | ||
4586 | if (cb->args[1]) { | |
4587 | data = nla_data((void *)cb->args[1]); | |
4588 | data_len = nla_len((void *)cb->args[1]); | |
4589 | } | |
4590 | ||
4591 | mutex_lock(&cfg80211_mutex); | |
4592 | dev = cfg80211_rdev_by_wiphy_idx(phy_idx); | |
4593 | if (!dev) { | |
4594 | mutex_unlock(&cfg80211_mutex); | |
4595 | return -ENOENT; | |
4596 | } | |
4597 | cfg80211_lock_rdev(dev); | |
4598 | mutex_unlock(&cfg80211_mutex); | |
4599 | ||
4600 | if (!dev->ops->testmode_dump) { | |
4601 | err = -EOPNOTSUPP; | |
4602 | goto out_err; | |
4603 | } | |
4604 | ||
4605 | while (1) { | |
4606 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid, | |
4607 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4608 | NL80211_CMD_TESTMODE); | |
4609 | struct nlattr *tmdata; | |
4610 | ||
4611 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, dev->wiphy_idx) < 0) { | |
4612 | genlmsg_cancel(skb, hdr); | |
4613 | break; | |
4614 | } | |
4615 | ||
4616 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
4617 | if (!tmdata) { | |
4618 | genlmsg_cancel(skb, hdr); | |
4619 | break; | |
4620 | } | |
4621 | err = dev->ops->testmode_dump(&dev->wiphy, skb, cb, | |
4622 | data, data_len); | |
4623 | nla_nest_end(skb, tmdata); | |
4624 | ||
4625 | if (err == -ENOBUFS || err == -ENOENT) { | |
4626 | genlmsg_cancel(skb, hdr); | |
4627 | break; | |
4628 | } else if (err) { | |
4629 | genlmsg_cancel(skb, hdr); | |
4630 | goto out_err; | |
4631 | } | |
4632 | ||
4633 | genlmsg_end(skb, hdr); | |
4634 | } | |
4635 | ||
4636 | err = skb->len; | |
4637 | /* see above */ | |
4638 | cb->args[0] = phy_idx + 1; | |
4639 | out_err: | |
4640 | cfg80211_unlock_rdev(dev); | |
4641 | return err; | |
4642 | } | |
4643 | ||
aff89a9b JB |
4644 | static struct sk_buff * |
4645 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
4646 | int approxlen, u32 pid, u32 seq, gfp_t gfp) | |
4647 | { | |
4648 | struct sk_buff *skb; | |
4649 | void *hdr; | |
4650 | struct nlattr *data; | |
4651 | ||
4652 | skb = nlmsg_new(approxlen + 100, gfp); | |
4653 | if (!skb) | |
4654 | return NULL; | |
4655 | ||
4656 | hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE); | |
4657 | if (!hdr) { | |
4658 | kfree_skb(skb); | |
4659 | return NULL; | |
4660 | } | |
4661 | ||
4662 | NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
4663 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
4664 | ||
4665 | ((void **)skb->cb)[0] = rdev; | |
4666 | ((void **)skb->cb)[1] = hdr; | |
4667 | ((void **)skb->cb)[2] = data; | |
4668 | ||
4669 | return skb; | |
4670 | ||
4671 | nla_put_failure: | |
4672 | kfree_skb(skb); | |
4673 | return NULL; | |
4674 | } | |
4675 | ||
4676 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
4677 | int approxlen) | |
4678 | { | |
4679 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
4680 | ||
4681 | if (WARN_ON(!rdev->testmode_info)) | |
4682 | return NULL; | |
4683 | ||
4684 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
4685 | rdev->testmode_info->snd_pid, | |
4686 | rdev->testmode_info->snd_seq, | |
4687 | GFP_KERNEL); | |
4688 | } | |
4689 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
4690 | ||
4691 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
4692 | { | |
4693 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
4694 | void *hdr = ((void **)skb->cb)[1]; | |
4695 | struct nlattr *data = ((void **)skb->cb)[2]; | |
4696 | ||
4697 | if (WARN_ON(!rdev->testmode_info)) { | |
4698 | kfree_skb(skb); | |
4699 | return -EINVAL; | |
4700 | } | |
4701 | ||
4702 | nla_nest_end(skb, data); | |
4703 | genlmsg_end(skb, hdr); | |
4704 | return genlmsg_reply(skb, rdev->testmode_info); | |
4705 | } | |
4706 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
4707 | ||
4708 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
4709 | int approxlen, gfp_t gfp) | |
4710 | { | |
4711 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
4712 | ||
4713 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
4714 | } | |
4715 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
4716 | ||
4717 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
4718 | { | |
4719 | void *hdr = ((void **)skb->cb)[1]; | |
4720 | struct nlattr *data = ((void **)skb->cb)[2]; | |
4721 | ||
4722 | nla_nest_end(skb, data); | |
4723 | genlmsg_end(skb, hdr); | |
4724 | genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp); | |
4725 | } | |
4726 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
4727 | #endif | |
4728 | ||
b23aa676 SO |
4729 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
4730 | { | |
4c476991 JB |
4731 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4732 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
4733 | struct cfg80211_connect_params connect; |
4734 | struct wiphy *wiphy; | |
fffd0934 | 4735 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
4736 | int err; |
4737 | ||
4738 | memset(&connect, 0, sizeof(connect)); | |
4739 | ||
4740 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
4741 | return -EINVAL; | |
4742 | ||
4743 | if (!info->attrs[NL80211_ATTR_SSID] || | |
4744 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
4745 | return -EINVAL; | |
4746 | ||
4747 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
4748 | connect.auth_type = | |
4749 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
4750 | if (!nl80211_valid_auth_type(connect.auth_type)) | |
4751 | return -EINVAL; | |
4752 | } else | |
4753 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
4754 | ||
4755 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
4756 | ||
c0692b8f | 4757 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 4758 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
4759 | if (err) |
4760 | return err; | |
b23aa676 | 4761 | |
074ac8df | 4762 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4763 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4764 | return -EOPNOTSUPP; | |
b23aa676 | 4765 | |
79c97e97 | 4766 | wiphy = &rdev->wiphy; |
b23aa676 | 4767 | |
b23aa676 SO |
4768 | if (info->attrs[NL80211_ATTR_MAC]) |
4769 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4770 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
4771 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
4772 | ||
4773 | if (info->attrs[NL80211_ATTR_IE]) { | |
4774 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
4775 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4776 | } | |
4777 | ||
4778 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
4779 | connect.channel = | |
4780 | ieee80211_get_channel(wiphy, | |
4781 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4782 | if (!connect.channel || | |
4c476991 JB |
4783 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
4784 | return -EINVAL; | |
b23aa676 SO |
4785 | } |
4786 | ||
fffd0934 JB |
4787 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
4788 | connkeys = nl80211_parse_connkeys(rdev, | |
4789 | info->attrs[NL80211_ATTR_KEYS]); | |
4c476991 JB |
4790 | if (IS_ERR(connkeys)) |
4791 | return PTR_ERR(connkeys); | |
fffd0934 JB |
4792 | } |
4793 | ||
4794 | err = cfg80211_connect(rdev, dev, &connect, connkeys); | |
fffd0934 JB |
4795 | if (err) |
4796 | kfree(connkeys); | |
b23aa676 SO |
4797 | return err; |
4798 | } | |
4799 | ||
4800 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
4801 | { | |
4c476991 JB |
4802 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4803 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
4804 | u16 reason; |
4805 | ||
4806 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4807 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
4808 | else | |
4809 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
4810 | ||
4811 | if (reason == 0) | |
4812 | return -EINVAL; | |
4813 | ||
074ac8df | 4814 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4815 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4816 | return -EOPNOTSUPP; | |
b23aa676 | 4817 | |
4c476991 | 4818 | return cfg80211_disconnect(rdev, dev, reason, true); |
b23aa676 SO |
4819 | } |
4820 | ||
463d0183 JB |
4821 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
4822 | { | |
4c476991 | 4823 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
4824 | struct net *net; |
4825 | int err; | |
4826 | u32 pid; | |
4827 | ||
4828 | if (!info->attrs[NL80211_ATTR_PID]) | |
4829 | return -EINVAL; | |
4830 | ||
4831 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
4832 | ||
463d0183 | 4833 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
4834 | if (IS_ERR(net)) |
4835 | return PTR_ERR(net); | |
463d0183 JB |
4836 | |
4837 | err = 0; | |
4838 | ||
4839 | /* check if anything to do */ | |
4c476991 JB |
4840 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
4841 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 4842 | |
463d0183 | 4843 | put_net(net); |
463d0183 JB |
4844 | return err; |
4845 | } | |
4846 | ||
67fbb16b SO |
4847 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
4848 | { | |
4c476991 | 4849 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
4850 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
4851 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 4852 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
4853 | struct cfg80211_pmksa pmksa; |
4854 | ||
4855 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
4856 | ||
4857 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4858 | return -EINVAL; | |
4859 | ||
4860 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
4861 | return -EINVAL; | |
4862 | ||
67fbb16b SO |
4863 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
4864 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4865 | ||
074ac8df | 4866 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4867 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4868 | return -EOPNOTSUPP; | |
67fbb16b SO |
4869 | |
4870 | switch (info->genlhdr->cmd) { | |
4871 | case NL80211_CMD_SET_PMKSA: | |
4872 | rdev_ops = rdev->ops->set_pmksa; | |
4873 | break; | |
4874 | case NL80211_CMD_DEL_PMKSA: | |
4875 | rdev_ops = rdev->ops->del_pmksa; | |
4876 | break; | |
4877 | default: | |
4878 | WARN_ON(1); | |
4879 | break; | |
4880 | } | |
4881 | ||
4c476991 JB |
4882 | if (!rdev_ops) |
4883 | return -EOPNOTSUPP; | |
67fbb16b | 4884 | |
4c476991 | 4885 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
4886 | } |
4887 | ||
4888 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
4889 | { | |
4c476991 JB |
4890 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4891 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 4892 | |
074ac8df | 4893 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4894 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4895 | return -EOPNOTSUPP; | |
67fbb16b | 4896 | |
4c476991 JB |
4897 | if (!rdev->ops->flush_pmksa) |
4898 | return -EOPNOTSUPP; | |
67fbb16b | 4899 | |
4c476991 | 4900 | return rdev->ops->flush_pmksa(&rdev->wiphy, dev); |
67fbb16b SO |
4901 | } |
4902 | ||
9588bbd5 JM |
4903 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
4904 | struct genl_info *info) | |
4905 | { | |
4c476991 JB |
4906 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4907 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 JM |
4908 | struct ieee80211_channel *chan; |
4909 | struct sk_buff *msg; | |
4910 | void *hdr; | |
4911 | u64 cookie; | |
4912 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
4913 | u32 freq, duration; | |
4914 | int err; | |
4915 | ||
4916 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
4917 | !info->attrs[NL80211_ATTR_DURATION]) | |
4918 | return -EINVAL; | |
4919 | ||
4920 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
4921 | ||
4922 | /* | |
4923 | * We should be on that channel for at least one jiffie, | |
4924 | * and more than 5 seconds seems excessive. | |
4925 | */ | |
a293911d JB |
4926 | if (!duration || !msecs_to_jiffies(duration) || |
4927 | duration > rdev->wiphy.max_remain_on_channel_duration) | |
9588bbd5 JM |
4928 | return -EINVAL; |
4929 | ||
4c476991 JB |
4930 | if (!rdev->ops->remain_on_channel) |
4931 | return -EOPNOTSUPP; | |
9588bbd5 | 4932 | |
9588bbd5 JM |
4933 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
4934 | channel_type = nla_get_u32( | |
4935 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
4936 | if (channel_type != NL80211_CHAN_NO_HT && | |
4937 | channel_type != NL80211_CHAN_HT20 && | |
4938 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
4939 | channel_type != NL80211_CHAN_HT40MINUS) |
4940 | return -EINVAL; | |
9588bbd5 JM |
4941 | } |
4942 | ||
4943 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
4944 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
4945 | if (chan == NULL) |
4946 | return -EINVAL; | |
9588bbd5 JM |
4947 | |
4948 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
4949 | if (!msg) |
4950 | return -ENOMEM; | |
9588bbd5 JM |
4951 | |
4952 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
4953 | NL80211_CMD_REMAIN_ON_CHANNEL); | |
4954 | ||
4955 | if (IS_ERR(hdr)) { | |
4956 | err = PTR_ERR(hdr); | |
4957 | goto free_msg; | |
4958 | } | |
4959 | ||
4960 | err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan, | |
4961 | channel_type, duration, &cookie); | |
4962 | ||
4963 | if (err) | |
4964 | goto free_msg; | |
4965 | ||
4966 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
4967 | ||
4968 | genlmsg_end(msg, hdr); | |
4c476991 JB |
4969 | |
4970 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
4971 | |
4972 | nla_put_failure: | |
4973 | err = -ENOBUFS; | |
4974 | free_msg: | |
4975 | nlmsg_free(msg); | |
9588bbd5 JM |
4976 | return err; |
4977 | } | |
4978 | ||
4979 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
4980 | struct genl_info *info) | |
4981 | { | |
4c476991 JB |
4982 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4983 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 | 4984 | u64 cookie; |
9588bbd5 JM |
4985 | |
4986 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
4987 | return -EINVAL; | |
4988 | ||
4c476991 JB |
4989 | if (!rdev->ops->cancel_remain_on_channel) |
4990 | return -EOPNOTSUPP; | |
9588bbd5 | 4991 | |
9588bbd5 JM |
4992 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
4993 | ||
4c476991 | 4994 | return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); |
9588bbd5 JM |
4995 | } |
4996 | ||
13ae75b1 JM |
4997 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
4998 | u8 *rates, u8 rates_len) | |
4999 | { | |
5000 | u8 i; | |
5001 | u32 mask = 0; | |
5002 | ||
5003 | for (i = 0; i < rates_len; i++) { | |
5004 | int rate = (rates[i] & 0x7f) * 5; | |
5005 | int ridx; | |
5006 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
5007 | struct ieee80211_rate *srate = | |
5008 | &sband->bitrates[ridx]; | |
5009 | if (rate == srate->bitrate) { | |
5010 | mask |= 1 << ridx; | |
5011 | break; | |
5012 | } | |
5013 | } | |
5014 | if (ridx == sband->n_bitrates) | |
5015 | return 0; /* rate not found */ | |
5016 | } | |
5017 | ||
5018 | return mask; | |
5019 | } | |
5020 | ||
b54452b0 | 5021 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
5022 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
5023 | .len = NL80211_MAX_SUPP_RATES }, | |
5024 | }; | |
5025 | ||
5026 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
5027 | struct genl_info *info) | |
5028 | { | |
5029 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 5030 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 5031 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
5032 | int rem, i; |
5033 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
5034 | struct nlattr *tx_rates; |
5035 | struct ieee80211_supported_band *sband; | |
5036 | ||
5037 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
5038 | return -EINVAL; | |
5039 | ||
4c476991 JB |
5040 | if (!rdev->ops->set_bitrate_mask) |
5041 | return -EOPNOTSUPP; | |
13ae75b1 JM |
5042 | |
5043 | memset(&mask, 0, sizeof(mask)); | |
5044 | /* Default to all rates enabled */ | |
5045 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
5046 | sband = rdev->wiphy.bands[i]; | |
5047 | mask.control[i].legacy = | |
5048 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
5049 | } | |
5050 | ||
5051 | /* | |
5052 | * The nested attribute uses enum nl80211_band as the index. This maps | |
5053 | * directly to the enum ieee80211_band values used in cfg80211. | |
5054 | */ | |
5055 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) | |
5056 | { | |
5057 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
5058 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
5059 | return -EINVAL; | |
13ae75b1 | 5060 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
5061 | if (sband == NULL) |
5062 | return -EINVAL; | |
13ae75b1 JM |
5063 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
5064 | nla_len(tx_rates), nl80211_txattr_policy); | |
5065 | if (tb[NL80211_TXRATE_LEGACY]) { | |
5066 | mask.control[band].legacy = rateset_to_mask( | |
5067 | sband, | |
5068 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
5069 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
4c476991 JB |
5070 | if (mask.control[band].legacy == 0) |
5071 | return -EINVAL; | |
13ae75b1 JM |
5072 | } |
5073 | } | |
5074 | ||
4c476991 | 5075 | return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask); |
13ae75b1 JM |
5076 | } |
5077 | ||
2e161f78 | 5078 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 5079 | { |
4c476991 JB |
5080 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5081 | struct net_device *dev = info->user_ptr[1]; | |
2e161f78 | 5082 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
5083 | |
5084 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
5085 | return -EINVAL; | |
5086 | ||
2e161f78 JB |
5087 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
5088 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 5089 | |
9d38d85d | 5090 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 5091 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
5092 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
5093 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5094 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 5095 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5096 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5097 | return -EOPNOTSUPP; | |
026331c4 JM |
5098 | |
5099 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
5100 | if (!rdev->ops->mgmt_tx) |
5101 | return -EOPNOTSUPP; | |
026331c4 | 5102 | |
4c476991 | 5103 | return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid, |
2e161f78 | 5104 | frame_type, |
026331c4 JM |
5105 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
5106 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
5107 | } |
5108 | ||
2e161f78 | 5109 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 5110 | { |
4c476991 JB |
5111 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5112 | struct net_device *dev = info->user_ptr[1]; | |
026331c4 JM |
5113 | struct ieee80211_channel *chan; |
5114 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
252aa631 | 5115 | bool channel_type_valid = false; |
026331c4 JM |
5116 | u32 freq; |
5117 | int err; | |
5118 | void *hdr; | |
5119 | u64 cookie; | |
5120 | struct sk_buff *msg; | |
f7ca38df JB |
5121 | unsigned int wait = 0; |
5122 | bool offchan; | |
026331c4 JM |
5123 | |
5124 | if (!info->attrs[NL80211_ATTR_FRAME] || | |
5125 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
5126 | return -EINVAL; | |
5127 | ||
4c476991 JB |
5128 | if (!rdev->ops->mgmt_tx) |
5129 | return -EOPNOTSUPP; | |
026331c4 | 5130 | |
9d38d85d | 5131 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 5132 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
5133 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
5134 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5135 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 5136 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5137 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5138 | return -EOPNOTSUPP; | |
026331c4 | 5139 | |
f7ca38df JB |
5140 | if (info->attrs[NL80211_ATTR_DURATION]) { |
5141 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
5142 | return -EINVAL; | |
5143 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
5144 | } | |
5145 | ||
026331c4 JM |
5146 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
5147 | channel_type = nla_get_u32( | |
5148 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
5149 | if (channel_type != NL80211_CHAN_NO_HT && | |
5150 | channel_type != NL80211_CHAN_HT20 && | |
5151 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
5152 | channel_type != NL80211_CHAN_HT40MINUS) |
5153 | return -EINVAL; | |
252aa631 | 5154 | channel_type_valid = true; |
026331c4 JM |
5155 | } |
5156 | ||
f7ca38df JB |
5157 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
5158 | ||
026331c4 JM |
5159 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); |
5160 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
5161 | if (chan == NULL) |
5162 | return -EINVAL; | |
026331c4 JM |
5163 | |
5164 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
5165 | if (!msg) |
5166 | return -ENOMEM; | |
026331c4 JM |
5167 | |
5168 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
2e161f78 | 5169 | NL80211_CMD_FRAME); |
026331c4 JM |
5170 | |
5171 | if (IS_ERR(hdr)) { | |
5172 | err = PTR_ERR(hdr); | |
5173 | goto free_msg; | |
5174 | } | |
f7ca38df JB |
5175 | err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type, |
5176 | channel_type_valid, wait, | |
2e161f78 JB |
5177 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
5178 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
5179 | &cookie); | |
026331c4 JM |
5180 | if (err) |
5181 | goto free_msg; | |
5182 | ||
5183 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
5184 | ||
5185 | genlmsg_end(msg, hdr); | |
4c476991 | 5186 | return genlmsg_reply(msg, info); |
026331c4 JM |
5187 | |
5188 | nla_put_failure: | |
5189 | err = -ENOBUFS; | |
5190 | free_msg: | |
5191 | nlmsg_free(msg); | |
026331c4 JM |
5192 | return err; |
5193 | } | |
5194 | ||
f7ca38df JB |
5195 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
5196 | { | |
5197 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5198 | struct net_device *dev = info->user_ptr[1]; | |
5199 | u64 cookie; | |
5200 | ||
5201 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
5202 | return -EINVAL; | |
5203 | ||
5204 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
5205 | return -EOPNOTSUPP; | |
5206 | ||
5207 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && | |
5208 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
5209 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && | |
5210 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5211 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
5212 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5213 | return -EOPNOTSUPP; | |
5214 | ||
5215 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
5216 | ||
5217 | return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie); | |
5218 | } | |
5219 | ||
ffb9eb3d KV |
5220 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
5221 | { | |
4c476991 | 5222 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 5223 | struct wireless_dev *wdev; |
4c476991 | 5224 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
5225 | u8 ps_state; |
5226 | bool state; | |
5227 | int err; | |
5228 | ||
4c476991 JB |
5229 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
5230 | return -EINVAL; | |
ffb9eb3d KV |
5231 | |
5232 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
5233 | ||
4c476991 JB |
5234 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
5235 | return -EINVAL; | |
ffb9eb3d KV |
5236 | |
5237 | wdev = dev->ieee80211_ptr; | |
5238 | ||
4c476991 JB |
5239 | if (!rdev->ops->set_power_mgmt) |
5240 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
5241 | |
5242 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
5243 | ||
5244 | if (state == wdev->ps) | |
4c476991 | 5245 | return 0; |
ffb9eb3d | 5246 | |
4c476991 JB |
5247 | err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state, |
5248 | wdev->ps_timeout); | |
5249 | if (!err) | |
5250 | wdev->ps = state; | |
ffb9eb3d KV |
5251 | return err; |
5252 | } | |
5253 | ||
5254 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
5255 | { | |
4c476991 | 5256 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
5257 | enum nl80211_ps_state ps_state; |
5258 | struct wireless_dev *wdev; | |
4c476991 | 5259 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
5260 | struct sk_buff *msg; |
5261 | void *hdr; | |
5262 | int err; | |
5263 | ||
ffb9eb3d KV |
5264 | wdev = dev->ieee80211_ptr; |
5265 | ||
4c476991 JB |
5266 | if (!rdev->ops->set_power_mgmt) |
5267 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
5268 | |
5269 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
5270 | if (!msg) |
5271 | return -ENOMEM; | |
ffb9eb3d KV |
5272 | |
5273 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5274 | NL80211_CMD_GET_POWER_SAVE); | |
5275 | if (!hdr) { | |
4c476991 | 5276 | err = -ENOBUFS; |
ffb9eb3d KV |
5277 | goto free_msg; |
5278 | } | |
5279 | ||
5280 | if (wdev->ps) | |
5281 | ps_state = NL80211_PS_ENABLED; | |
5282 | else | |
5283 | ps_state = NL80211_PS_DISABLED; | |
5284 | ||
5285 | NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state); | |
5286 | ||
5287 | genlmsg_end(msg, hdr); | |
4c476991 | 5288 | return genlmsg_reply(msg, info); |
ffb9eb3d | 5289 | |
4c476991 | 5290 | nla_put_failure: |
ffb9eb3d | 5291 | err = -ENOBUFS; |
4c476991 | 5292 | free_msg: |
ffb9eb3d | 5293 | nlmsg_free(msg); |
ffb9eb3d KV |
5294 | return err; |
5295 | } | |
5296 | ||
d6dc1a38 JO |
5297 | static struct nla_policy |
5298 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
5299 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
5300 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
5301 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
5302 | }; | |
5303 | ||
5304 | static int nl80211_set_cqm_rssi(struct genl_info *info, | |
5305 | s32 threshold, u32 hysteresis) | |
5306 | { | |
4c476991 | 5307 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
d6dc1a38 | 5308 | struct wireless_dev *wdev; |
4c476991 | 5309 | struct net_device *dev = info->user_ptr[1]; |
d6dc1a38 JO |
5310 | |
5311 | if (threshold > 0) | |
5312 | return -EINVAL; | |
5313 | ||
d6dc1a38 JO |
5314 | wdev = dev->ieee80211_ptr; |
5315 | ||
4c476991 JB |
5316 | if (!rdev->ops->set_cqm_rssi_config) |
5317 | return -EOPNOTSUPP; | |
d6dc1a38 | 5318 | |
074ac8df | 5319 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5320 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5321 | return -EOPNOTSUPP; | |
d6dc1a38 | 5322 | |
4c476991 JB |
5323 | return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev, |
5324 | threshold, hysteresis); | |
d6dc1a38 JO |
5325 | } |
5326 | ||
5327 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
5328 | { | |
5329 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
5330 | struct nlattr *cqm; | |
5331 | int err; | |
5332 | ||
5333 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
5334 | if (!cqm) { | |
5335 | err = -EINVAL; | |
5336 | goto out; | |
5337 | } | |
5338 | ||
5339 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
5340 | nl80211_attr_cqm_policy); | |
5341 | if (err) | |
5342 | goto out; | |
5343 | ||
5344 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
5345 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
5346 | s32 threshold; | |
5347 | u32 hysteresis; | |
5348 | threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
5349 | hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
5350 | err = nl80211_set_cqm_rssi(info, threshold, hysteresis); | |
5351 | } else | |
5352 | err = -EINVAL; | |
5353 | ||
5354 | out: | |
5355 | return err; | |
5356 | } | |
5357 | ||
29cbe68c JB |
5358 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
5359 | { | |
5360 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5361 | struct net_device *dev = info->user_ptr[1]; | |
5362 | struct mesh_config cfg; | |
c80d545d | 5363 | struct mesh_setup setup; |
29cbe68c JB |
5364 | int err; |
5365 | ||
5366 | /* start with default */ | |
5367 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 5368 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 5369 | |
24bdd9f4 | 5370 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 5371 | /* and parse parameters if given */ |
24bdd9f4 | 5372 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
5373 | if (err) |
5374 | return err; | |
5375 | } | |
5376 | ||
5377 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
5378 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
5379 | return -EINVAL; | |
5380 | ||
c80d545d JC |
5381 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
5382 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
5383 | ||
5384 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { | |
5385 | /* parse additional setup parameters if given */ | |
5386 | err = nl80211_parse_mesh_setup(info, &setup); | |
5387 | if (err) | |
5388 | return err; | |
5389 | } | |
5390 | ||
5391 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); | |
29cbe68c JB |
5392 | } |
5393 | ||
5394 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
5395 | { | |
5396 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5397 | struct net_device *dev = info->user_ptr[1]; | |
5398 | ||
5399 | return cfg80211_leave_mesh(rdev, dev); | |
5400 | } | |
5401 | ||
ff1b6e69 JB |
5402 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
5403 | { | |
5404 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5405 | struct sk_buff *msg; | |
5406 | void *hdr; | |
5407 | ||
5408 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
5409 | return -EOPNOTSUPP; | |
5410 | ||
5411 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5412 | if (!msg) | |
5413 | return -ENOMEM; | |
5414 | ||
5415 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5416 | NL80211_CMD_GET_WOWLAN); | |
5417 | if (!hdr) | |
5418 | goto nla_put_failure; | |
5419 | ||
5420 | if (rdev->wowlan) { | |
5421 | struct nlattr *nl_wowlan; | |
5422 | ||
5423 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
5424 | if (!nl_wowlan) | |
5425 | goto nla_put_failure; | |
5426 | ||
5427 | if (rdev->wowlan->any) | |
5428 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
5429 | if (rdev->wowlan->disconnect) | |
5430 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
5431 | if (rdev->wowlan->magic_pkt) | |
5432 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
77dbbb13 JB |
5433 | if (rdev->wowlan->gtk_rekey_failure) |
5434 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
5435 | if (rdev->wowlan->eap_identity_req) | |
5436 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
5437 | if (rdev->wowlan->four_way_handshake) | |
5438 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
5439 | if (rdev->wowlan->rfkill_release) | |
5440 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
ff1b6e69 JB |
5441 | if (rdev->wowlan->n_patterns) { |
5442 | struct nlattr *nl_pats, *nl_pat; | |
5443 | int i, pat_len; | |
5444 | ||
5445 | nl_pats = nla_nest_start(msg, | |
5446 | NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
5447 | if (!nl_pats) | |
5448 | goto nla_put_failure; | |
5449 | ||
5450 | for (i = 0; i < rdev->wowlan->n_patterns; i++) { | |
5451 | nl_pat = nla_nest_start(msg, i + 1); | |
5452 | if (!nl_pat) | |
5453 | goto nla_put_failure; | |
5454 | pat_len = rdev->wowlan->patterns[i].pattern_len; | |
5455 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK, | |
5456 | DIV_ROUND_UP(pat_len, 8), | |
5457 | rdev->wowlan->patterns[i].mask); | |
5458 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN, | |
5459 | pat_len, | |
5460 | rdev->wowlan->patterns[i].pattern); | |
5461 | nla_nest_end(msg, nl_pat); | |
5462 | } | |
5463 | nla_nest_end(msg, nl_pats); | |
5464 | } | |
5465 | ||
5466 | nla_nest_end(msg, nl_wowlan); | |
5467 | } | |
5468 | ||
5469 | genlmsg_end(msg, hdr); | |
5470 | return genlmsg_reply(msg, info); | |
5471 | ||
5472 | nla_put_failure: | |
5473 | nlmsg_free(msg); | |
5474 | return -ENOBUFS; | |
5475 | } | |
5476 | ||
5477 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) | |
5478 | { | |
5479 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5480 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
5481 | struct cfg80211_wowlan no_triggers = {}; | |
5482 | struct cfg80211_wowlan new_triggers = {}; | |
5483 | struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; | |
5484 | int err, i; | |
5485 | ||
5486 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
5487 | return -EOPNOTSUPP; | |
5488 | ||
5489 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) | |
5490 | goto no_triggers; | |
5491 | ||
5492 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
5493 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
5494 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
5495 | nl80211_wowlan_policy); | |
5496 | if (err) | |
5497 | return err; | |
5498 | ||
5499 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
5500 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
5501 | return -EINVAL; | |
5502 | new_triggers.any = true; | |
5503 | } | |
5504 | ||
5505 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
5506 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
5507 | return -EINVAL; | |
5508 | new_triggers.disconnect = true; | |
5509 | } | |
5510 | ||
5511 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
5512 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
5513 | return -EINVAL; | |
5514 | new_triggers.magic_pkt = true; | |
5515 | } | |
5516 | ||
77dbbb13 JB |
5517 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
5518 | return -EINVAL; | |
5519 | ||
5520 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
5521 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
5522 | return -EINVAL; | |
5523 | new_triggers.gtk_rekey_failure = true; | |
5524 | } | |
5525 | ||
5526 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
5527 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
5528 | return -EINVAL; | |
5529 | new_triggers.eap_identity_req = true; | |
5530 | } | |
5531 | ||
5532 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
5533 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
5534 | return -EINVAL; | |
5535 | new_triggers.four_way_handshake = true; | |
5536 | } | |
5537 | ||
5538 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
5539 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
5540 | return -EINVAL; | |
5541 | new_triggers.rfkill_release = true; | |
5542 | } | |
5543 | ||
ff1b6e69 JB |
5544 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
5545 | struct nlattr *pat; | |
5546 | int n_patterns = 0; | |
5547 | int rem, pat_len, mask_len; | |
5548 | struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; | |
5549 | ||
5550 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
5551 | rem) | |
5552 | n_patterns++; | |
5553 | if (n_patterns > wowlan->n_patterns) | |
5554 | return -EINVAL; | |
5555 | ||
5556 | new_triggers.patterns = kcalloc(n_patterns, | |
5557 | sizeof(new_triggers.patterns[0]), | |
5558 | GFP_KERNEL); | |
5559 | if (!new_triggers.patterns) | |
5560 | return -ENOMEM; | |
5561 | ||
5562 | new_triggers.n_patterns = n_patterns; | |
5563 | i = 0; | |
5564 | ||
5565 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
5566 | rem) { | |
5567 | nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT, | |
5568 | nla_data(pat), nla_len(pat), NULL); | |
5569 | err = -EINVAL; | |
5570 | if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] || | |
5571 | !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]) | |
5572 | goto error; | |
5573 | pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]); | |
5574 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
5575 | if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) != | |
5576 | mask_len) | |
5577 | goto error; | |
5578 | if (pat_len > wowlan->pattern_max_len || | |
5579 | pat_len < wowlan->pattern_min_len) | |
5580 | goto error; | |
5581 | ||
5582 | new_triggers.patterns[i].mask = | |
5583 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
5584 | if (!new_triggers.patterns[i].mask) { | |
5585 | err = -ENOMEM; | |
5586 | goto error; | |
5587 | } | |
5588 | new_triggers.patterns[i].pattern = | |
5589 | new_triggers.patterns[i].mask + mask_len; | |
5590 | memcpy(new_triggers.patterns[i].mask, | |
5591 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]), | |
5592 | mask_len); | |
5593 | new_triggers.patterns[i].pattern_len = pat_len; | |
5594 | memcpy(new_triggers.patterns[i].pattern, | |
5595 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]), | |
5596 | pat_len); | |
5597 | i++; | |
5598 | } | |
5599 | } | |
5600 | ||
5601 | if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) { | |
5602 | struct cfg80211_wowlan *ntrig; | |
5603 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), | |
5604 | GFP_KERNEL); | |
5605 | if (!ntrig) { | |
5606 | err = -ENOMEM; | |
5607 | goto error; | |
5608 | } | |
5609 | cfg80211_rdev_free_wowlan(rdev); | |
5610 | rdev->wowlan = ntrig; | |
5611 | } else { | |
5612 | no_triggers: | |
5613 | cfg80211_rdev_free_wowlan(rdev); | |
5614 | rdev->wowlan = NULL; | |
5615 | } | |
5616 | ||
5617 | return 0; | |
5618 | error: | |
5619 | for (i = 0; i < new_triggers.n_patterns; i++) | |
5620 | kfree(new_triggers.patterns[i].mask); | |
5621 | kfree(new_triggers.patterns); | |
5622 | return err; | |
5623 | } | |
5624 | ||
e5497d76 JB |
5625 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
5626 | { | |
5627 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5628 | struct net_device *dev = info->user_ptr[1]; | |
5629 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5630 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
5631 | struct cfg80211_gtk_rekey_data rekey_data; | |
5632 | int err; | |
5633 | ||
5634 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
5635 | return -EINVAL; | |
5636 | ||
5637 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
5638 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
5639 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
5640 | nl80211_rekey_policy); | |
5641 | if (err) | |
5642 | return err; | |
5643 | ||
5644 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
5645 | return -ERANGE; | |
5646 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
5647 | return -ERANGE; | |
5648 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
5649 | return -ERANGE; | |
5650 | ||
5651 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
5652 | NL80211_KEK_LEN); | |
5653 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
5654 | NL80211_KCK_LEN); | |
5655 | memcpy(rekey_data.replay_ctr, | |
5656 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
5657 | NL80211_REPLAY_CTR_LEN); | |
5658 | ||
5659 | wdev_lock(wdev); | |
5660 | if (!wdev->current_bss) { | |
5661 | err = -ENOTCONN; | |
5662 | goto out; | |
5663 | } | |
5664 | ||
5665 | if (!rdev->ops->set_rekey_data) { | |
5666 | err = -EOPNOTSUPP; | |
5667 | goto out; | |
5668 | } | |
5669 | ||
5670 | err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data); | |
5671 | out: | |
5672 | wdev_unlock(wdev); | |
5673 | return err; | |
5674 | } | |
5675 | ||
4c476991 JB |
5676 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
5677 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
5678 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
5679 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
5680 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
5681 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 JB |
5682 | |
5683 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, | |
5684 | struct genl_info *info) | |
5685 | { | |
5686 | struct cfg80211_registered_device *rdev; | |
5687 | struct net_device *dev; | |
5688 | int err; | |
5689 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; | |
5690 | ||
5691 | if (rtnl) | |
5692 | rtnl_lock(); | |
5693 | ||
5694 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
5695 | rdev = cfg80211_get_dev_from_info(info); | |
5696 | if (IS_ERR(rdev)) { | |
5697 | if (rtnl) | |
5698 | rtnl_unlock(); | |
5699 | return PTR_ERR(rdev); | |
5700 | } | |
5701 | info->user_ptr[0] = rdev; | |
5702 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { | |
5703 | err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); | |
5704 | if (err) { | |
5705 | if (rtnl) | |
5706 | rtnl_unlock(); | |
5707 | return err; | |
5708 | } | |
41265714 JB |
5709 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
5710 | !netif_running(dev)) { | |
d537f5fd JB |
5711 | cfg80211_unlock_rdev(rdev); |
5712 | dev_put(dev); | |
41265714 JB |
5713 | if (rtnl) |
5714 | rtnl_unlock(); | |
5715 | return -ENETDOWN; | |
5716 | } | |
4c476991 JB |
5717 | info->user_ptr[0] = rdev; |
5718 | info->user_ptr[1] = dev; | |
5719 | } | |
5720 | ||
5721 | return 0; | |
5722 | } | |
5723 | ||
5724 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
5725 | struct genl_info *info) | |
5726 | { | |
5727 | if (info->user_ptr[0]) | |
5728 | cfg80211_unlock_rdev(info->user_ptr[0]); | |
5729 | if (info->user_ptr[1]) | |
5730 | dev_put(info->user_ptr[1]); | |
5731 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) | |
5732 | rtnl_unlock(); | |
5733 | } | |
5734 | ||
55682965 JB |
5735 | static struct genl_ops nl80211_ops[] = { |
5736 | { | |
5737 | .cmd = NL80211_CMD_GET_WIPHY, | |
5738 | .doit = nl80211_get_wiphy, | |
5739 | .dumpit = nl80211_dump_wiphy, | |
5740 | .policy = nl80211_policy, | |
5741 | /* can be retrieved by unprivileged users */ | |
4c476991 | 5742 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
55682965 JB |
5743 | }, |
5744 | { | |
5745 | .cmd = NL80211_CMD_SET_WIPHY, | |
5746 | .doit = nl80211_set_wiphy, | |
5747 | .policy = nl80211_policy, | |
5748 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 5749 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
5750 | }, |
5751 | { | |
5752 | .cmd = NL80211_CMD_GET_INTERFACE, | |
5753 | .doit = nl80211_get_interface, | |
5754 | .dumpit = nl80211_dump_interface, | |
5755 | .policy = nl80211_policy, | |
5756 | /* can be retrieved by unprivileged users */ | |
4c476991 | 5757 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
55682965 JB |
5758 | }, |
5759 | { | |
5760 | .cmd = NL80211_CMD_SET_INTERFACE, | |
5761 | .doit = nl80211_set_interface, | |
5762 | .policy = nl80211_policy, | |
5763 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5764 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5765 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
5766 | }, |
5767 | { | |
5768 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
5769 | .doit = nl80211_new_interface, | |
5770 | .policy = nl80211_policy, | |
5771 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5772 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
5773 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
5774 | }, |
5775 | { | |
5776 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
5777 | .doit = nl80211_del_interface, | |
5778 | .policy = nl80211_policy, | |
41ade00f | 5779 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5780 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5781 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
5782 | }, |
5783 | { | |
5784 | .cmd = NL80211_CMD_GET_KEY, | |
5785 | .doit = nl80211_get_key, | |
5786 | .policy = nl80211_policy, | |
5787 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5788 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5789 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
5790 | }, |
5791 | { | |
5792 | .cmd = NL80211_CMD_SET_KEY, | |
5793 | .doit = nl80211_set_key, | |
5794 | .policy = nl80211_policy, | |
5795 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5796 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5797 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
5798 | }, |
5799 | { | |
5800 | .cmd = NL80211_CMD_NEW_KEY, | |
5801 | .doit = nl80211_new_key, | |
5802 | .policy = nl80211_policy, | |
5803 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5804 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5805 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
5806 | }, |
5807 | { | |
5808 | .cmd = NL80211_CMD_DEL_KEY, | |
5809 | .doit = nl80211_del_key, | |
5810 | .policy = nl80211_policy, | |
55682965 | 5811 | .flags = GENL_ADMIN_PERM, |
41265714 | 5812 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5813 | NL80211_FLAG_NEED_RTNL, |
55682965 | 5814 | }, |
ed1b6cc7 JB |
5815 | { |
5816 | .cmd = NL80211_CMD_SET_BEACON, | |
5817 | .policy = nl80211_policy, | |
5818 | .flags = GENL_ADMIN_PERM, | |
5819 | .doit = nl80211_addset_beacon, | |
4c476991 JB |
5820 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5821 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
5822 | }, |
5823 | { | |
5824 | .cmd = NL80211_CMD_NEW_BEACON, | |
5825 | .policy = nl80211_policy, | |
5826 | .flags = GENL_ADMIN_PERM, | |
5827 | .doit = nl80211_addset_beacon, | |
4c476991 JB |
5828 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5829 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
5830 | }, |
5831 | { | |
5832 | .cmd = NL80211_CMD_DEL_BEACON, | |
5833 | .policy = nl80211_policy, | |
5834 | .flags = GENL_ADMIN_PERM, | |
5835 | .doit = nl80211_del_beacon, | |
4c476991 JB |
5836 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5837 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 | 5838 | }, |
5727ef1b JB |
5839 | { |
5840 | .cmd = NL80211_CMD_GET_STATION, | |
5841 | .doit = nl80211_get_station, | |
2ec600d6 | 5842 | .dumpit = nl80211_dump_station, |
5727ef1b | 5843 | .policy = nl80211_policy, |
4c476991 JB |
5844 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5845 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
5846 | }, |
5847 | { | |
5848 | .cmd = NL80211_CMD_SET_STATION, | |
5849 | .doit = nl80211_set_station, | |
5850 | .policy = nl80211_policy, | |
5851 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
5852 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5853 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
5854 | }, |
5855 | { | |
5856 | .cmd = NL80211_CMD_NEW_STATION, | |
5857 | .doit = nl80211_new_station, | |
5858 | .policy = nl80211_policy, | |
5859 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5860 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5861 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
5862 | }, |
5863 | { | |
5864 | .cmd = NL80211_CMD_DEL_STATION, | |
5865 | .doit = nl80211_del_station, | |
5866 | .policy = nl80211_policy, | |
2ec600d6 | 5867 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5868 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5869 | NL80211_FLAG_NEED_RTNL, | |
2ec600d6 LCC |
5870 | }, |
5871 | { | |
5872 | .cmd = NL80211_CMD_GET_MPATH, | |
5873 | .doit = nl80211_get_mpath, | |
5874 | .dumpit = nl80211_dump_mpath, | |
5875 | .policy = nl80211_policy, | |
5876 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5877 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5878 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
5879 | }, |
5880 | { | |
5881 | .cmd = NL80211_CMD_SET_MPATH, | |
5882 | .doit = nl80211_set_mpath, | |
5883 | .policy = nl80211_policy, | |
5884 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5885 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5886 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
5887 | }, |
5888 | { | |
5889 | .cmd = NL80211_CMD_NEW_MPATH, | |
5890 | .doit = nl80211_new_mpath, | |
5891 | .policy = nl80211_policy, | |
5892 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5893 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5894 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
5895 | }, |
5896 | { | |
5897 | .cmd = NL80211_CMD_DEL_MPATH, | |
5898 | .doit = nl80211_del_mpath, | |
5899 | .policy = nl80211_policy, | |
9f1ba906 | 5900 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5901 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5902 | NL80211_FLAG_NEED_RTNL, | |
9f1ba906 JM |
5903 | }, |
5904 | { | |
5905 | .cmd = NL80211_CMD_SET_BSS, | |
5906 | .doit = nl80211_set_bss, | |
5907 | .policy = nl80211_policy, | |
b2e1b302 | 5908 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
5909 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5910 | NL80211_FLAG_NEED_RTNL, | |
b2e1b302 | 5911 | }, |
f130347c LR |
5912 | { |
5913 | .cmd = NL80211_CMD_GET_REG, | |
5914 | .doit = nl80211_get_reg, | |
5915 | .policy = nl80211_policy, | |
5916 | /* can be retrieved by unprivileged users */ | |
5917 | }, | |
b2e1b302 LR |
5918 | { |
5919 | .cmd = NL80211_CMD_SET_REG, | |
5920 | .doit = nl80211_set_reg, | |
5921 | .policy = nl80211_policy, | |
5922 | .flags = GENL_ADMIN_PERM, | |
5923 | }, | |
5924 | { | |
5925 | .cmd = NL80211_CMD_REQ_SET_REG, | |
5926 | .doit = nl80211_req_set_reg, | |
5927 | .policy = nl80211_policy, | |
93da9cc1 | 5928 | .flags = GENL_ADMIN_PERM, |
5929 | }, | |
5930 | { | |
24bdd9f4 JC |
5931 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
5932 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 5933 | .policy = nl80211_policy, |
5934 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
5935 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
5936 | NL80211_FLAG_NEED_RTNL, | |
93da9cc1 | 5937 | }, |
5938 | { | |
24bdd9f4 JC |
5939 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
5940 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 5941 | .policy = nl80211_policy, |
9aed3cc1 | 5942 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 5943 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5944 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 5945 | }, |
2a519311 JB |
5946 | { |
5947 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
5948 | .doit = nl80211_trigger_scan, | |
5949 | .policy = nl80211_policy, | |
5950 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5951 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5952 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
5953 | }, |
5954 | { | |
5955 | .cmd = NL80211_CMD_GET_SCAN, | |
5956 | .policy = nl80211_policy, | |
5957 | .dumpit = nl80211_dump_scan, | |
5958 | }, | |
807f8a8c LC |
5959 | { |
5960 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
5961 | .doit = nl80211_start_sched_scan, | |
5962 | .policy = nl80211_policy, | |
5963 | .flags = GENL_ADMIN_PERM, | |
5964 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5965 | NL80211_FLAG_NEED_RTNL, | |
5966 | }, | |
5967 | { | |
5968 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
5969 | .doit = nl80211_stop_sched_scan, | |
5970 | .policy = nl80211_policy, | |
5971 | .flags = GENL_ADMIN_PERM, | |
5972 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5973 | NL80211_FLAG_NEED_RTNL, | |
5974 | }, | |
636a5d36 JM |
5975 | { |
5976 | .cmd = NL80211_CMD_AUTHENTICATE, | |
5977 | .doit = nl80211_authenticate, | |
5978 | .policy = nl80211_policy, | |
5979 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5980 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5981 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
5982 | }, |
5983 | { | |
5984 | .cmd = NL80211_CMD_ASSOCIATE, | |
5985 | .doit = nl80211_associate, | |
5986 | .policy = nl80211_policy, | |
5987 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5988 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5989 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
5990 | }, |
5991 | { | |
5992 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
5993 | .doit = nl80211_deauthenticate, | |
5994 | .policy = nl80211_policy, | |
5995 | .flags = GENL_ADMIN_PERM, | |
41265714 | 5996 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 5997 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
5998 | }, |
5999 | { | |
6000 | .cmd = NL80211_CMD_DISASSOCIATE, | |
6001 | .doit = nl80211_disassociate, | |
6002 | .policy = nl80211_policy, | |
6003 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6004 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6005 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 6006 | }, |
04a773ad JB |
6007 | { |
6008 | .cmd = NL80211_CMD_JOIN_IBSS, | |
6009 | .doit = nl80211_join_ibss, | |
6010 | .policy = nl80211_policy, | |
6011 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6012 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6013 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
6014 | }, |
6015 | { | |
6016 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
6017 | .doit = nl80211_leave_ibss, | |
6018 | .policy = nl80211_policy, | |
6019 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6020 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6021 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 6022 | }, |
aff89a9b JB |
6023 | #ifdef CONFIG_NL80211_TESTMODE |
6024 | { | |
6025 | .cmd = NL80211_CMD_TESTMODE, | |
6026 | .doit = nl80211_testmode_do, | |
71063f0e | 6027 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
6028 | .policy = nl80211_policy, |
6029 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6030 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6031 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
6032 | }, |
6033 | #endif | |
b23aa676 SO |
6034 | { |
6035 | .cmd = NL80211_CMD_CONNECT, | |
6036 | .doit = nl80211_connect, | |
6037 | .policy = nl80211_policy, | |
6038 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6039 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6040 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
6041 | }, |
6042 | { | |
6043 | .cmd = NL80211_CMD_DISCONNECT, | |
6044 | .doit = nl80211_disconnect, | |
6045 | .policy = nl80211_policy, | |
6046 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6047 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6048 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 6049 | }, |
463d0183 JB |
6050 | { |
6051 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
6052 | .doit = nl80211_wiphy_netns, | |
6053 | .policy = nl80211_policy, | |
6054 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6055 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6056 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 6057 | }, |
61fa713c HS |
6058 | { |
6059 | .cmd = NL80211_CMD_GET_SURVEY, | |
6060 | .policy = nl80211_policy, | |
6061 | .dumpit = nl80211_dump_survey, | |
6062 | }, | |
67fbb16b SO |
6063 | { |
6064 | .cmd = NL80211_CMD_SET_PMKSA, | |
6065 | .doit = nl80211_setdel_pmksa, | |
6066 | .policy = nl80211_policy, | |
6067 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6068 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6069 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
6070 | }, |
6071 | { | |
6072 | .cmd = NL80211_CMD_DEL_PMKSA, | |
6073 | .doit = nl80211_setdel_pmksa, | |
6074 | .policy = nl80211_policy, | |
6075 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6076 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6077 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
6078 | }, |
6079 | { | |
6080 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
6081 | .doit = nl80211_flush_pmksa, | |
6082 | .policy = nl80211_policy, | |
6083 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6084 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6085 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b | 6086 | }, |
9588bbd5 JM |
6087 | { |
6088 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
6089 | .doit = nl80211_remain_on_channel, | |
6090 | .policy = nl80211_policy, | |
6091 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6092 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6093 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
6094 | }, |
6095 | { | |
6096 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
6097 | .doit = nl80211_cancel_remain_on_channel, | |
6098 | .policy = nl80211_policy, | |
6099 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6100 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6101 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 6102 | }, |
13ae75b1 JM |
6103 | { |
6104 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
6105 | .doit = nl80211_set_tx_bitrate_mask, | |
6106 | .policy = nl80211_policy, | |
6107 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6108 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6109 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 6110 | }, |
026331c4 | 6111 | { |
2e161f78 JB |
6112 | .cmd = NL80211_CMD_REGISTER_FRAME, |
6113 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
6114 | .policy = nl80211_policy, |
6115 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6116 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6117 | NL80211_FLAG_NEED_RTNL, | |
026331c4 JM |
6118 | }, |
6119 | { | |
2e161f78 JB |
6120 | .cmd = NL80211_CMD_FRAME, |
6121 | .doit = nl80211_tx_mgmt, | |
026331c4 | 6122 | .policy = nl80211_policy, |
f7ca38df JB |
6123 | .flags = GENL_ADMIN_PERM, |
6124 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6125 | NL80211_FLAG_NEED_RTNL, | |
6126 | }, | |
6127 | { | |
6128 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
6129 | .doit = nl80211_tx_mgmt_cancel_wait, | |
6130 | .policy = nl80211_policy, | |
026331c4 | 6131 | .flags = GENL_ADMIN_PERM, |
41265714 | 6132 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6133 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 6134 | }, |
ffb9eb3d KV |
6135 | { |
6136 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
6137 | .doit = nl80211_set_power_save, | |
6138 | .policy = nl80211_policy, | |
6139 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6140 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6141 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
6142 | }, |
6143 | { | |
6144 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
6145 | .doit = nl80211_get_power_save, | |
6146 | .policy = nl80211_policy, | |
6147 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
6148 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6149 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 6150 | }, |
d6dc1a38 JO |
6151 | { |
6152 | .cmd = NL80211_CMD_SET_CQM, | |
6153 | .doit = nl80211_set_cqm, | |
6154 | .policy = nl80211_policy, | |
6155 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6156 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6157 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 6158 | }, |
f444de05 JB |
6159 | { |
6160 | .cmd = NL80211_CMD_SET_CHANNEL, | |
6161 | .doit = nl80211_set_channel, | |
6162 | .policy = nl80211_policy, | |
6163 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6164 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6165 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 6166 | }, |
e8347eba BJ |
6167 | { |
6168 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
6169 | .doit = nl80211_set_wds_peer, | |
6170 | .policy = nl80211_policy, | |
6171 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
6172 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6173 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 6174 | }, |
29cbe68c JB |
6175 | { |
6176 | .cmd = NL80211_CMD_JOIN_MESH, | |
6177 | .doit = nl80211_join_mesh, | |
6178 | .policy = nl80211_policy, | |
6179 | .flags = GENL_ADMIN_PERM, | |
6180 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6181 | NL80211_FLAG_NEED_RTNL, | |
6182 | }, | |
6183 | { | |
6184 | .cmd = NL80211_CMD_LEAVE_MESH, | |
6185 | .doit = nl80211_leave_mesh, | |
6186 | .policy = nl80211_policy, | |
6187 | .flags = GENL_ADMIN_PERM, | |
6188 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6189 | NL80211_FLAG_NEED_RTNL, | |
6190 | }, | |
ff1b6e69 JB |
6191 | { |
6192 | .cmd = NL80211_CMD_GET_WOWLAN, | |
6193 | .doit = nl80211_get_wowlan, | |
6194 | .policy = nl80211_policy, | |
6195 | /* can be retrieved by unprivileged users */ | |
6196 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6197 | NL80211_FLAG_NEED_RTNL, | |
6198 | }, | |
6199 | { | |
6200 | .cmd = NL80211_CMD_SET_WOWLAN, | |
6201 | .doit = nl80211_set_wowlan, | |
6202 | .policy = nl80211_policy, | |
6203 | .flags = GENL_ADMIN_PERM, | |
6204 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6205 | NL80211_FLAG_NEED_RTNL, | |
6206 | }, | |
e5497d76 JB |
6207 | { |
6208 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
6209 | .doit = nl80211_set_rekey_data, | |
6210 | .policy = nl80211_policy, | |
6211 | .flags = GENL_ADMIN_PERM, | |
6212 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6213 | NL80211_FLAG_NEED_RTNL, | |
6214 | }, | |
55682965 | 6215 | }; |
9588bbd5 | 6216 | |
6039f6d2 JM |
6217 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
6218 | .name = "mlme", | |
6219 | }; | |
55682965 JB |
6220 | |
6221 | /* multicast groups */ | |
6222 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
6223 | .name = "config", | |
6224 | }; | |
2a519311 JB |
6225 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
6226 | .name = "scan", | |
6227 | }; | |
73d54c9e LR |
6228 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
6229 | .name = "regulatory", | |
6230 | }; | |
55682965 JB |
6231 | |
6232 | /* notification functions */ | |
6233 | ||
6234 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
6235 | { | |
6236 | struct sk_buff *msg; | |
6237 | ||
fd2120ca | 6238 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
6239 | if (!msg) |
6240 | return; | |
6241 | ||
6242 | if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { | |
6243 | nlmsg_free(msg); | |
6244 | return; | |
6245 | } | |
6246 | ||
463d0183 JB |
6247 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6248 | nl80211_config_mcgrp.id, GFP_KERNEL); | |
55682965 JB |
6249 | } |
6250 | ||
362a415d JB |
6251 | static int nl80211_add_scan_req(struct sk_buff *msg, |
6252 | struct cfg80211_registered_device *rdev) | |
6253 | { | |
6254 | struct cfg80211_scan_request *req = rdev->scan_req; | |
6255 | struct nlattr *nest; | |
6256 | int i; | |
6257 | ||
667503dd JB |
6258 | ASSERT_RDEV_LOCK(rdev); |
6259 | ||
362a415d JB |
6260 | if (WARN_ON(!req)) |
6261 | return 0; | |
6262 | ||
6263 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
6264 | if (!nest) | |
6265 | goto nla_put_failure; | |
6266 | for (i = 0; i < req->n_ssids; i++) | |
6267 | NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid); | |
6268 | nla_nest_end(msg, nest); | |
6269 | ||
6270 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
6271 | if (!nest) | |
6272 | goto nla_put_failure; | |
6273 | for (i = 0; i < req->n_channels; i++) | |
6274 | NLA_PUT_U32(msg, i, req->channels[i]->center_freq); | |
6275 | nla_nest_end(msg, nest); | |
6276 | ||
6277 | if (req->ie) | |
6278 | NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie); | |
6279 | ||
6280 | return 0; | |
6281 | nla_put_failure: | |
6282 | return -ENOBUFS; | |
6283 | } | |
6284 | ||
a538e2d5 JB |
6285 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
6286 | struct cfg80211_registered_device *rdev, | |
6287 | struct net_device *netdev, | |
6288 | u32 pid, u32 seq, int flags, | |
6289 | u32 cmd) | |
2a519311 JB |
6290 | { |
6291 | void *hdr; | |
6292 | ||
6293 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); | |
6294 | if (!hdr) | |
6295 | return -1; | |
6296 | ||
b5850a7a | 6297 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
2a519311 JB |
6298 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
6299 | ||
362a415d JB |
6300 | /* ignore errors and send incomplete event anyway */ |
6301 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
6302 | |
6303 | return genlmsg_end(msg, hdr); | |
6304 | ||
6305 | nla_put_failure: | |
6306 | genlmsg_cancel(msg, hdr); | |
6307 | return -EMSGSIZE; | |
6308 | } | |
6309 | ||
807f8a8c LC |
6310 | static int |
6311 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
6312 | struct cfg80211_registered_device *rdev, | |
6313 | struct net_device *netdev, | |
6314 | u32 pid, u32 seq, int flags, u32 cmd) | |
6315 | { | |
6316 | void *hdr; | |
6317 | ||
6318 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); | |
6319 | if (!hdr) | |
6320 | return -1; | |
6321 | ||
6322 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6323 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6324 | ||
6325 | return genlmsg_end(msg, hdr); | |
6326 | ||
6327 | nla_put_failure: | |
6328 | genlmsg_cancel(msg, hdr); | |
6329 | return -EMSGSIZE; | |
6330 | } | |
6331 | ||
a538e2d5 JB |
6332 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
6333 | struct net_device *netdev) | |
6334 | { | |
6335 | struct sk_buff *msg; | |
6336 | ||
6337 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
6338 | if (!msg) | |
6339 | return; | |
6340 | ||
6341 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
6342 | NL80211_CMD_TRIGGER_SCAN) < 0) { | |
6343 | nlmsg_free(msg); | |
6344 | return; | |
6345 | } | |
6346 | ||
463d0183 JB |
6347 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6348 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
a538e2d5 JB |
6349 | } |
6350 | ||
2a519311 JB |
6351 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
6352 | struct net_device *netdev) | |
6353 | { | |
6354 | struct sk_buff *msg; | |
6355 | ||
fd2120ca | 6356 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
6357 | if (!msg) |
6358 | return; | |
6359 | ||
a538e2d5 JB |
6360 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
6361 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 JB |
6362 | nlmsg_free(msg); |
6363 | return; | |
6364 | } | |
6365 | ||
463d0183 JB |
6366 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6367 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
6368 | } |
6369 | ||
6370 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
6371 | struct net_device *netdev) | |
6372 | { | |
6373 | struct sk_buff *msg; | |
6374 | ||
fd2120ca | 6375 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
6376 | if (!msg) |
6377 | return; | |
6378 | ||
a538e2d5 JB |
6379 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
6380 | NL80211_CMD_SCAN_ABORTED) < 0) { | |
2a519311 JB |
6381 | nlmsg_free(msg); |
6382 | return; | |
6383 | } | |
6384 | ||
463d0183 JB |
6385 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6386 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
6387 | } |
6388 | ||
807f8a8c LC |
6389 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
6390 | struct net_device *netdev) | |
6391 | { | |
6392 | struct sk_buff *msg; | |
6393 | ||
6394 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6395 | if (!msg) | |
6396 | return; | |
6397 | ||
6398 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
6399 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
6400 | nlmsg_free(msg); | |
6401 | return; | |
6402 | } | |
6403 | ||
6404 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6405 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
6406 | } | |
6407 | ||
6408 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
6409 | struct net_device *netdev, u32 cmd) | |
6410 | { | |
6411 | struct sk_buff *msg; | |
6412 | ||
6413 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
6414 | if (!msg) | |
6415 | return; | |
6416 | ||
6417 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
6418 | nlmsg_free(msg); | |
6419 | return; | |
6420 | } | |
6421 | ||
6422 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6423 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
6424 | } | |
6425 | ||
73d54c9e LR |
6426 | /* |
6427 | * This can happen on global regulatory changes or device specific settings | |
6428 | * based on custom world regulatory domains. | |
6429 | */ | |
6430 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
6431 | { | |
6432 | struct sk_buff *msg; | |
6433 | void *hdr; | |
6434 | ||
fd2120ca | 6435 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
6436 | if (!msg) |
6437 | return; | |
6438 | ||
6439 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
6440 | if (!hdr) { | |
6441 | nlmsg_free(msg); | |
6442 | return; | |
6443 | } | |
6444 | ||
6445 | /* Userspace can always count this one always being set */ | |
6446 | NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator); | |
6447 | ||
6448 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') | |
6449 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6450 | NL80211_REGDOM_TYPE_WORLD); | |
6451 | else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') | |
6452 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6453 | NL80211_REGDOM_TYPE_CUSTOM_WORLD); | |
6454 | else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
6455 | request->intersect) | |
6456 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6457 | NL80211_REGDOM_TYPE_INTERSECTION); | |
6458 | else { | |
6459 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6460 | NL80211_REGDOM_TYPE_COUNTRY); | |
6461 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2); | |
6462 | } | |
6463 | ||
6464 | if (wiphy_idx_valid(request->wiphy_idx)) | |
6465 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx); | |
6466 | ||
6467 | if (genlmsg_end(msg, hdr) < 0) { | |
6468 | nlmsg_free(msg); | |
6469 | return; | |
6470 | } | |
6471 | ||
bc43b28c | 6472 | rcu_read_lock(); |
463d0183 | 6473 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
bc43b28c JB |
6474 | GFP_ATOMIC); |
6475 | rcu_read_unlock(); | |
73d54c9e LR |
6476 | |
6477 | return; | |
6478 | ||
6479 | nla_put_failure: | |
6480 | genlmsg_cancel(msg, hdr); | |
6481 | nlmsg_free(msg); | |
6482 | } | |
6483 | ||
6039f6d2 JM |
6484 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
6485 | struct net_device *netdev, | |
6486 | const u8 *buf, size_t len, | |
e6d6e342 | 6487 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
6488 | { |
6489 | struct sk_buff *msg; | |
6490 | void *hdr; | |
6491 | ||
e6d6e342 | 6492 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
6493 | if (!msg) |
6494 | return; | |
6495 | ||
6496 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
6497 | if (!hdr) { | |
6498 | nlmsg_free(msg); | |
6499 | return; | |
6500 | } | |
6501 | ||
6502 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6503 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6504 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
6505 | ||
6506 | if (genlmsg_end(msg, hdr) < 0) { | |
6507 | nlmsg_free(msg); | |
6508 | return; | |
6509 | } | |
6510 | ||
463d0183 JB |
6511 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6512 | nl80211_mlme_mcgrp.id, gfp); | |
6039f6d2 JM |
6513 | return; |
6514 | ||
6515 | nla_put_failure: | |
6516 | genlmsg_cancel(msg, hdr); | |
6517 | nlmsg_free(msg); | |
6518 | } | |
6519 | ||
6520 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
6521 | struct net_device *netdev, const u8 *buf, |
6522 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
6523 | { |
6524 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 6525 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
6526 | } |
6527 | ||
6528 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
6529 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 6530 | size_t len, gfp_t gfp) |
6039f6d2 | 6531 | { |
e6d6e342 JB |
6532 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
6533 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
6534 | } |
6535 | ||
53b46b84 | 6536 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
6537 | struct net_device *netdev, const u8 *buf, |
6538 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
6539 | { |
6540 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 6541 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
6542 | } |
6543 | ||
53b46b84 JM |
6544 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
6545 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 6546 | size_t len, gfp_t gfp) |
6039f6d2 JM |
6547 | { |
6548 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 6549 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
6550 | } |
6551 | ||
cf4e594e JM |
6552 | void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, |
6553 | struct net_device *netdev, const u8 *buf, | |
6554 | size_t len, gfp_t gfp) | |
6555 | { | |
6556 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
6557 | NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); | |
6558 | } | |
6559 | ||
6560 | void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, | |
6561 | struct net_device *netdev, const u8 *buf, | |
6562 | size_t len, gfp_t gfp) | |
6563 | { | |
6564 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
6565 | NL80211_CMD_UNPROT_DISASSOCIATE, gfp); | |
6566 | } | |
6567 | ||
1b06bb40 LR |
6568 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
6569 | struct net_device *netdev, int cmd, | |
e6d6e342 | 6570 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
6571 | { |
6572 | struct sk_buff *msg; | |
6573 | void *hdr; | |
6574 | ||
e6d6e342 | 6575 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
6576 | if (!msg) |
6577 | return; | |
6578 | ||
6579 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
6580 | if (!hdr) { | |
6581 | nlmsg_free(msg); | |
6582 | return; | |
6583 | } | |
6584 | ||
6585 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6586 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6587 | NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT); | |
6588 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
6589 | ||
6590 | if (genlmsg_end(msg, hdr) < 0) { | |
6591 | nlmsg_free(msg); | |
6592 | return; | |
6593 | } | |
6594 | ||
463d0183 JB |
6595 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6596 | nl80211_mlme_mcgrp.id, gfp); | |
1965c853 JM |
6597 | return; |
6598 | ||
6599 | nla_put_failure: | |
6600 | genlmsg_cancel(msg, hdr); | |
6601 | nlmsg_free(msg); | |
6602 | } | |
6603 | ||
6604 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
6605 | struct net_device *netdev, const u8 *addr, |
6606 | gfp_t gfp) | |
1965c853 JM |
6607 | { |
6608 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 6609 | addr, gfp); |
1965c853 JM |
6610 | } |
6611 | ||
6612 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
6613 | struct net_device *netdev, const u8 *addr, |
6614 | gfp_t gfp) | |
1965c853 | 6615 | { |
e6d6e342 JB |
6616 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
6617 | addr, gfp); | |
1965c853 JM |
6618 | } |
6619 | ||
b23aa676 SO |
6620 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
6621 | struct net_device *netdev, const u8 *bssid, | |
6622 | const u8 *req_ie, size_t req_ie_len, | |
6623 | const u8 *resp_ie, size_t resp_ie_len, | |
6624 | u16 status, gfp_t gfp) | |
6625 | { | |
6626 | struct sk_buff *msg; | |
6627 | void *hdr; | |
6628 | ||
6629 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6630 | if (!msg) | |
6631 | return; | |
6632 | ||
6633 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
6634 | if (!hdr) { | |
6635 | nlmsg_free(msg); | |
6636 | return; | |
6637 | } | |
6638 | ||
6639 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6640 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6641 | if (bssid) | |
6642 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
6643 | NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status); | |
6644 | if (req_ie) | |
6645 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
6646 | if (resp_ie) | |
6647 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
6648 | ||
6649 | if (genlmsg_end(msg, hdr) < 0) { | |
6650 | nlmsg_free(msg); | |
6651 | return; | |
6652 | } | |
6653 | ||
463d0183 JB |
6654 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6655 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
6656 | return; |
6657 | ||
6658 | nla_put_failure: | |
6659 | genlmsg_cancel(msg, hdr); | |
6660 | nlmsg_free(msg); | |
6661 | ||
6662 | } | |
6663 | ||
6664 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
6665 | struct net_device *netdev, const u8 *bssid, | |
6666 | const u8 *req_ie, size_t req_ie_len, | |
6667 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
6668 | { | |
6669 | struct sk_buff *msg; | |
6670 | void *hdr; | |
6671 | ||
6672 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6673 | if (!msg) | |
6674 | return; | |
6675 | ||
6676 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
6677 | if (!hdr) { | |
6678 | nlmsg_free(msg); | |
6679 | return; | |
6680 | } | |
6681 | ||
6682 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6683 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6684 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
6685 | if (req_ie) | |
6686 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
6687 | if (resp_ie) | |
6688 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
6689 | ||
6690 | if (genlmsg_end(msg, hdr) < 0) { | |
6691 | nlmsg_free(msg); | |
6692 | return; | |
6693 | } | |
6694 | ||
463d0183 JB |
6695 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6696 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
6697 | return; |
6698 | ||
6699 | nla_put_failure: | |
6700 | genlmsg_cancel(msg, hdr); | |
6701 | nlmsg_free(msg); | |
6702 | ||
6703 | } | |
6704 | ||
6705 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
6706 | struct net_device *netdev, u16 reason, | |
667503dd | 6707 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
6708 | { |
6709 | struct sk_buff *msg; | |
6710 | void *hdr; | |
6711 | ||
667503dd | 6712 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
b23aa676 SO |
6713 | if (!msg) |
6714 | return; | |
6715 | ||
6716 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
6717 | if (!hdr) { | |
6718 | nlmsg_free(msg); | |
6719 | return; | |
6720 | } | |
6721 | ||
6722 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6723 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6724 | if (from_ap && reason) | |
6725 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason); | |
6726 | if (from_ap) | |
6727 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP); | |
6728 | if (ie) | |
6729 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie); | |
6730 | ||
6731 | if (genlmsg_end(msg, hdr) < 0) { | |
6732 | nlmsg_free(msg); | |
6733 | return; | |
6734 | } | |
6735 | ||
463d0183 JB |
6736 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6737 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
b23aa676 SO |
6738 | return; |
6739 | ||
6740 | nla_put_failure: | |
6741 | genlmsg_cancel(msg, hdr); | |
6742 | nlmsg_free(msg); | |
6743 | ||
6744 | } | |
6745 | ||
04a773ad JB |
6746 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
6747 | struct net_device *netdev, const u8 *bssid, | |
6748 | gfp_t gfp) | |
6749 | { | |
6750 | struct sk_buff *msg; | |
6751 | void *hdr; | |
6752 | ||
fd2120ca | 6753 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
6754 | if (!msg) |
6755 | return; | |
6756 | ||
6757 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
6758 | if (!hdr) { | |
6759 | nlmsg_free(msg); | |
6760 | return; | |
6761 | } | |
6762 | ||
6763 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6764 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6765 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
6766 | ||
6767 | if (genlmsg_end(msg, hdr) < 0) { | |
6768 | nlmsg_free(msg); | |
6769 | return; | |
6770 | } | |
6771 | ||
463d0183 JB |
6772 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6773 | nl80211_mlme_mcgrp.id, gfp); | |
04a773ad JB |
6774 | return; |
6775 | ||
6776 | nla_put_failure: | |
6777 | genlmsg_cancel(msg, hdr); | |
6778 | nlmsg_free(msg); | |
6779 | } | |
6780 | ||
c93b5e71 JC |
6781 | void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, |
6782 | struct net_device *netdev, | |
6783 | const u8 *macaddr, const u8* ie, u8 ie_len, | |
6784 | gfp_t gfp) | |
6785 | { | |
6786 | struct sk_buff *msg; | |
6787 | void *hdr; | |
6788 | ||
6789 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
6790 | if (!msg) | |
6791 | return; | |
6792 | ||
6793 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
6794 | if (!hdr) { | |
6795 | nlmsg_free(msg); | |
6796 | return; | |
6797 | } | |
6798 | ||
6799 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6800 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6801 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr); | |
6802 | if (ie_len && ie) | |
6803 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie); | |
6804 | ||
6805 | if (genlmsg_end(msg, hdr) < 0) { | |
6806 | nlmsg_free(msg); | |
6807 | return; | |
6808 | } | |
6809 | ||
6810 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6811 | nl80211_mlme_mcgrp.id, gfp); | |
6812 | return; | |
6813 | ||
6814 | nla_put_failure: | |
6815 | genlmsg_cancel(msg, hdr); | |
6816 | nlmsg_free(msg); | |
6817 | } | |
6818 | ||
a3b8b056 JM |
6819 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
6820 | struct net_device *netdev, const u8 *addr, | |
6821 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 6822 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
6823 | { |
6824 | struct sk_buff *msg; | |
6825 | void *hdr; | |
6826 | ||
e6d6e342 | 6827 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
6828 | if (!msg) |
6829 | return; | |
6830 | ||
6831 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
6832 | if (!hdr) { | |
6833 | nlmsg_free(msg); | |
6834 | return; | |
6835 | } | |
6836 | ||
6837 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6838 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6839 | if (addr) | |
6840 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
6841 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type); | |
a66b98db AN |
6842 | if (key_id != -1) |
6843 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id); | |
a3b8b056 JM |
6844 | if (tsc) |
6845 | NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc); | |
6846 | ||
6847 | if (genlmsg_end(msg, hdr) < 0) { | |
6848 | nlmsg_free(msg); | |
6849 | return; | |
6850 | } | |
6851 | ||
463d0183 JB |
6852 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6853 | nl80211_mlme_mcgrp.id, gfp); | |
a3b8b056 JM |
6854 | return; |
6855 | ||
6856 | nla_put_failure: | |
6857 | genlmsg_cancel(msg, hdr); | |
6858 | nlmsg_free(msg); | |
6859 | } | |
6860 | ||
6bad8766 LR |
6861 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
6862 | struct ieee80211_channel *channel_before, | |
6863 | struct ieee80211_channel *channel_after) | |
6864 | { | |
6865 | struct sk_buff *msg; | |
6866 | void *hdr; | |
6867 | struct nlattr *nl_freq; | |
6868 | ||
fd2120ca | 6869 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
6870 | if (!msg) |
6871 | return; | |
6872 | ||
6873 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
6874 | if (!hdr) { | |
6875 | nlmsg_free(msg); | |
6876 | return; | |
6877 | } | |
6878 | ||
6879 | /* | |
6880 | * Since we are applying the beacon hint to a wiphy we know its | |
6881 | * wiphy_idx is valid | |
6882 | */ | |
6883 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)); | |
6884 | ||
6885 | /* Before */ | |
6886 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
6887 | if (!nl_freq) | |
6888 | goto nla_put_failure; | |
6889 | if (nl80211_msg_put_channel(msg, channel_before)) | |
6890 | goto nla_put_failure; | |
6891 | nla_nest_end(msg, nl_freq); | |
6892 | ||
6893 | /* After */ | |
6894 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
6895 | if (!nl_freq) | |
6896 | goto nla_put_failure; | |
6897 | if (nl80211_msg_put_channel(msg, channel_after)) | |
6898 | goto nla_put_failure; | |
6899 | nla_nest_end(msg, nl_freq); | |
6900 | ||
6901 | if (genlmsg_end(msg, hdr) < 0) { | |
6902 | nlmsg_free(msg); | |
6903 | return; | |
6904 | } | |
6905 | ||
463d0183 JB |
6906 | rcu_read_lock(); |
6907 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, | |
6908 | GFP_ATOMIC); | |
6909 | rcu_read_unlock(); | |
6bad8766 LR |
6910 | |
6911 | return; | |
6912 | ||
6913 | nla_put_failure: | |
6914 | genlmsg_cancel(msg, hdr); | |
6915 | nlmsg_free(msg); | |
6916 | } | |
6917 | ||
9588bbd5 JM |
6918 | static void nl80211_send_remain_on_chan_event( |
6919 | int cmd, struct cfg80211_registered_device *rdev, | |
6920 | struct net_device *netdev, u64 cookie, | |
6921 | struct ieee80211_channel *chan, | |
6922 | enum nl80211_channel_type channel_type, | |
6923 | unsigned int duration, gfp_t gfp) | |
6924 | { | |
6925 | struct sk_buff *msg; | |
6926 | void *hdr; | |
6927 | ||
6928 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
6929 | if (!msg) | |
6930 | return; | |
6931 | ||
6932 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
6933 | if (!hdr) { | |
6934 | nlmsg_free(msg); | |
6935 | return; | |
6936 | } | |
6937 | ||
6938 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6939 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6940 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq); | |
6941 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type); | |
6942 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
6943 | ||
6944 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL) | |
6945 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); | |
6946 | ||
6947 | if (genlmsg_end(msg, hdr) < 0) { | |
6948 | nlmsg_free(msg); | |
6949 | return; | |
6950 | } | |
6951 | ||
6952 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6953 | nl80211_mlme_mcgrp.id, gfp); | |
6954 | return; | |
6955 | ||
6956 | nla_put_failure: | |
6957 | genlmsg_cancel(msg, hdr); | |
6958 | nlmsg_free(msg); | |
6959 | } | |
6960 | ||
6961 | void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, | |
6962 | struct net_device *netdev, u64 cookie, | |
6963 | struct ieee80211_channel *chan, | |
6964 | enum nl80211_channel_type channel_type, | |
6965 | unsigned int duration, gfp_t gfp) | |
6966 | { | |
6967 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, | |
6968 | rdev, netdev, cookie, chan, | |
6969 | channel_type, duration, gfp); | |
6970 | } | |
6971 | ||
6972 | void nl80211_send_remain_on_channel_cancel( | |
6973 | struct cfg80211_registered_device *rdev, struct net_device *netdev, | |
6974 | u64 cookie, struct ieee80211_channel *chan, | |
6975 | enum nl80211_channel_type channel_type, gfp_t gfp) | |
6976 | { | |
6977 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
6978 | rdev, netdev, cookie, chan, | |
6979 | channel_type, 0, gfp); | |
6980 | } | |
6981 | ||
98b62183 JB |
6982 | void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, |
6983 | struct net_device *dev, const u8 *mac_addr, | |
6984 | struct station_info *sinfo, gfp_t gfp) | |
6985 | { | |
6986 | struct sk_buff *msg; | |
6987 | ||
6988 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
6989 | if (!msg) | |
6990 | return; | |
6991 | ||
6992 | if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) { | |
6993 | nlmsg_free(msg); | |
6994 | return; | |
6995 | } | |
6996 | ||
6997 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6998 | nl80211_mlme_mcgrp.id, gfp); | |
6999 | } | |
7000 | ||
ec15e68b JM |
7001 | void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, |
7002 | struct net_device *dev, const u8 *mac_addr, | |
7003 | gfp_t gfp) | |
7004 | { | |
7005 | struct sk_buff *msg; | |
7006 | void *hdr; | |
7007 | ||
7008 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7009 | if (!msg) | |
7010 | return; | |
7011 | ||
7012 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
7013 | if (!hdr) { | |
7014 | nlmsg_free(msg); | |
7015 | return; | |
7016 | } | |
7017 | ||
7018 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
7019 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
7020 | ||
7021 | if (genlmsg_end(msg, hdr) < 0) { | |
7022 | nlmsg_free(msg); | |
7023 | return; | |
7024 | } | |
7025 | ||
7026 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7027 | nl80211_mlme_mcgrp.id, gfp); | |
7028 | return; | |
7029 | ||
7030 | nla_put_failure: | |
7031 | genlmsg_cancel(msg, hdr); | |
7032 | nlmsg_free(msg); | |
7033 | } | |
7034 | ||
2e161f78 JB |
7035 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
7036 | struct net_device *netdev, u32 nlpid, | |
7037 | int freq, const u8 *buf, size_t len, gfp_t gfp) | |
026331c4 JM |
7038 | { |
7039 | struct sk_buff *msg; | |
7040 | void *hdr; | |
7041 | int err; | |
7042 | ||
7043 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7044 | if (!msg) | |
7045 | return -ENOMEM; | |
7046 | ||
2e161f78 | 7047 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
7048 | if (!hdr) { |
7049 | nlmsg_free(msg); | |
7050 | return -ENOMEM; | |
7051 | } | |
7052 | ||
7053 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7054 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7055 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
7056 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
7057 | ||
7058 | err = genlmsg_end(msg, hdr); | |
7059 | if (err < 0) { | |
7060 | nlmsg_free(msg); | |
7061 | return err; | |
7062 | } | |
7063 | ||
7064 | err = genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); | |
7065 | if (err < 0) | |
7066 | return err; | |
7067 | return 0; | |
7068 | ||
7069 | nla_put_failure: | |
7070 | genlmsg_cancel(msg, hdr); | |
7071 | nlmsg_free(msg); | |
7072 | return -ENOBUFS; | |
7073 | } | |
7074 | ||
2e161f78 JB |
7075 | void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, |
7076 | struct net_device *netdev, u64 cookie, | |
7077 | const u8 *buf, size_t len, bool ack, | |
7078 | gfp_t gfp) | |
026331c4 JM |
7079 | { |
7080 | struct sk_buff *msg; | |
7081 | void *hdr; | |
7082 | ||
7083 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7084 | if (!msg) | |
7085 | return; | |
7086 | ||
2e161f78 | 7087 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
7088 | if (!hdr) { |
7089 | nlmsg_free(msg); | |
7090 | return; | |
7091 | } | |
7092 | ||
7093 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7094 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7095 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
7096 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
7097 | if (ack) | |
7098 | NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); | |
7099 | ||
7100 | if (genlmsg_end(msg, hdr) < 0) { | |
7101 | nlmsg_free(msg); | |
7102 | return; | |
7103 | } | |
7104 | ||
7105 | genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); | |
7106 | return; | |
7107 | ||
7108 | nla_put_failure: | |
7109 | genlmsg_cancel(msg, hdr); | |
7110 | nlmsg_free(msg); | |
7111 | } | |
7112 | ||
d6dc1a38 JO |
7113 | void |
7114 | nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, | |
7115 | struct net_device *netdev, | |
7116 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
7117 | gfp_t gfp) | |
7118 | { | |
7119 | struct sk_buff *msg; | |
7120 | struct nlattr *pinfoattr; | |
7121 | void *hdr; | |
7122 | ||
7123 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7124 | if (!msg) | |
7125 | return; | |
7126 | ||
7127 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
7128 | if (!hdr) { | |
7129 | nlmsg_free(msg); | |
7130 | return; | |
7131 | } | |
7132 | ||
7133 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7134 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7135 | ||
7136 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
7137 | if (!pinfoattr) | |
7138 | goto nla_put_failure; | |
7139 | ||
7140 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
7141 | rssi_event); | |
7142 | ||
7143 | nla_nest_end(msg, pinfoattr); | |
7144 | ||
7145 | if (genlmsg_end(msg, hdr) < 0) { | |
7146 | nlmsg_free(msg); | |
7147 | return; | |
7148 | } | |
7149 | ||
7150 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7151 | nl80211_mlme_mcgrp.id, gfp); | |
7152 | return; | |
7153 | ||
7154 | nla_put_failure: | |
7155 | genlmsg_cancel(msg, hdr); | |
7156 | nlmsg_free(msg); | |
7157 | } | |
7158 | ||
e5497d76 JB |
7159 | void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
7160 | struct net_device *netdev, const u8 *bssid, | |
7161 | const u8 *replay_ctr, gfp_t gfp) | |
7162 | { | |
7163 | struct sk_buff *msg; | |
7164 | struct nlattr *rekey_attr; | |
7165 | void *hdr; | |
7166 | ||
7167 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7168 | if (!msg) | |
7169 | return; | |
7170 | ||
7171 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
7172 | if (!hdr) { | |
7173 | nlmsg_free(msg); | |
7174 | return; | |
7175 | } | |
7176 | ||
7177 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7178 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7179 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7180 | ||
7181 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
7182 | if (!rekey_attr) | |
7183 | goto nla_put_failure; | |
7184 | ||
7185 | NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, | |
7186 | NL80211_REPLAY_CTR_LEN, replay_ctr); | |
7187 | ||
7188 | nla_nest_end(msg, rekey_attr); | |
7189 | ||
7190 | if (genlmsg_end(msg, hdr) < 0) { | |
7191 | nlmsg_free(msg); | |
7192 | return; | |
7193 | } | |
7194 | ||
7195 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7196 | nl80211_mlme_mcgrp.id, gfp); | |
7197 | return; | |
7198 | ||
7199 | nla_put_failure: | |
7200 | genlmsg_cancel(msg, hdr); | |
7201 | nlmsg_free(msg); | |
7202 | } | |
7203 | ||
c063dbf5 JB |
7204 | void |
7205 | nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, | |
7206 | struct net_device *netdev, const u8 *peer, | |
7207 | u32 num_packets, gfp_t gfp) | |
7208 | { | |
7209 | struct sk_buff *msg; | |
7210 | struct nlattr *pinfoattr; | |
7211 | void *hdr; | |
7212 | ||
7213 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7214 | if (!msg) | |
7215 | return; | |
7216 | ||
7217 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
7218 | if (!hdr) { | |
7219 | nlmsg_free(msg); | |
7220 | return; | |
7221 | } | |
7222 | ||
7223 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7224 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7225 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); | |
7226 | ||
7227 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
7228 | if (!pinfoattr) | |
7229 | goto nla_put_failure; | |
7230 | ||
7231 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets); | |
7232 | ||
7233 | nla_nest_end(msg, pinfoattr); | |
7234 | ||
7235 | if (genlmsg_end(msg, hdr) < 0) { | |
7236 | nlmsg_free(msg); | |
7237 | return; | |
7238 | } | |
7239 | ||
7240 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7241 | nl80211_mlme_mcgrp.id, gfp); | |
7242 | return; | |
7243 | ||
7244 | nla_put_failure: | |
7245 | genlmsg_cancel(msg, hdr); | |
7246 | nlmsg_free(msg); | |
7247 | } | |
7248 | ||
026331c4 JM |
7249 | static int nl80211_netlink_notify(struct notifier_block * nb, |
7250 | unsigned long state, | |
7251 | void *_notify) | |
7252 | { | |
7253 | struct netlink_notify *notify = _notify; | |
7254 | struct cfg80211_registered_device *rdev; | |
7255 | struct wireless_dev *wdev; | |
7256 | ||
7257 | if (state != NETLINK_URELEASE) | |
7258 | return NOTIFY_DONE; | |
7259 | ||
7260 | rcu_read_lock(); | |
7261 | ||
7262 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) | |
7263 | list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) | |
2e161f78 | 7264 | cfg80211_mlme_unregister_socket(wdev, notify->pid); |
026331c4 JM |
7265 | |
7266 | rcu_read_unlock(); | |
7267 | ||
7268 | return NOTIFY_DONE; | |
7269 | } | |
7270 | ||
7271 | static struct notifier_block nl80211_netlink_notifier = { | |
7272 | .notifier_call = nl80211_netlink_notify, | |
7273 | }; | |
7274 | ||
55682965 JB |
7275 | /* initialisation/exit functions */ |
7276 | ||
7277 | int nl80211_init(void) | |
7278 | { | |
0d63cbb5 | 7279 | int err; |
55682965 | 7280 | |
0d63cbb5 MM |
7281 | err = genl_register_family_with_ops(&nl80211_fam, |
7282 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); | |
55682965 JB |
7283 | if (err) |
7284 | return err; | |
7285 | ||
55682965 JB |
7286 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
7287 | if (err) | |
7288 | goto err_out; | |
7289 | ||
2a519311 JB |
7290 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
7291 | if (err) | |
7292 | goto err_out; | |
7293 | ||
73d54c9e LR |
7294 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
7295 | if (err) | |
7296 | goto err_out; | |
7297 | ||
6039f6d2 JM |
7298 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
7299 | if (err) | |
7300 | goto err_out; | |
7301 | ||
aff89a9b JB |
7302 | #ifdef CONFIG_NL80211_TESTMODE |
7303 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); | |
7304 | if (err) | |
7305 | goto err_out; | |
7306 | #endif | |
7307 | ||
026331c4 JM |
7308 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
7309 | if (err) | |
7310 | goto err_out; | |
7311 | ||
55682965 JB |
7312 | return 0; |
7313 | err_out: | |
7314 | genl_unregister_family(&nl80211_fam); | |
7315 | return err; | |
7316 | } | |
7317 | ||
7318 | void nl80211_exit(void) | |
7319 | { | |
026331c4 | 7320 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
7321 | genl_unregister_family(&nl80211_fam); |
7322 | } |