Commit | Line | Data |
---|---|---|
55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
55682965 JB |
5 | */ |
6 | ||
7 | #include <linux/if.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/err.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
55682965 JB |
11 | #include <linux/list.h> |
12 | #include <linux/if_ether.h> | |
13 | #include <linux/ieee80211.h> | |
14 | #include <linux/nl80211.h> | |
15 | #include <linux/rtnetlink.h> | |
16 | #include <linux/netlink.h> | |
2a519311 | 17 | #include <linux/etherdevice.h> |
463d0183 | 18 | #include <net/net_namespace.h> |
55682965 JB |
19 | #include <net/genetlink.h> |
20 | #include <net/cfg80211.h> | |
463d0183 | 21 | #include <net/sock.h> |
55682965 JB |
22 | #include "core.h" |
23 | #include "nl80211.h" | |
b2e1b302 | 24 | #include "reg.h" |
55682965 | 25 | |
5fb628e9 JM |
26 | static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type); |
27 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, | |
28 | struct genl_info *info, | |
29 | struct cfg80211_crypto_settings *settings, | |
30 | int cipher_limit); | |
31 | ||
4c476991 JB |
32 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, |
33 | struct genl_info *info); | |
34 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
35 | struct genl_info *info); | |
36 | ||
55682965 JB |
37 | /* the netlink family */ |
38 | static struct genl_family nl80211_fam = { | |
39 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ | |
40 | .name = "nl80211", /* have users key off the name instead */ | |
41 | .hdrsize = 0, /* no private header */ | |
42 | .version = 1, /* no particular meaning now */ | |
43 | .maxattr = NL80211_ATTR_MAX, | |
463d0183 | 44 | .netnsok = true, |
4c476991 JB |
45 | .pre_doit = nl80211_pre_doit, |
46 | .post_doit = nl80211_post_doit, | |
55682965 JB |
47 | }; |
48 | ||
79c97e97 | 49 | /* internal helper: get rdev and dev */ |
463d0183 | 50 | static int get_rdev_dev_by_info_ifindex(struct genl_info *info, |
79c97e97 | 51 | struct cfg80211_registered_device **rdev, |
55682965 JB |
52 | struct net_device **dev) |
53 | { | |
463d0183 | 54 | struct nlattr **attrs = info->attrs; |
55682965 JB |
55 | int ifindex; |
56 | ||
bba95fef | 57 | if (!attrs[NL80211_ATTR_IFINDEX]) |
55682965 JB |
58 | return -EINVAL; |
59 | ||
bba95fef | 60 | ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); |
463d0183 | 61 | *dev = dev_get_by_index(genl_info_net(info), ifindex); |
55682965 JB |
62 | if (!*dev) |
63 | return -ENODEV; | |
64 | ||
463d0183 | 65 | *rdev = cfg80211_get_dev_from_ifindex(genl_info_net(info), ifindex); |
79c97e97 | 66 | if (IS_ERR(*rdev)) { |
55682965 | 67 | dev_put(*dev); |
79c97e97 | 68 | return PTR_ERR(*rdev); |
55682965 JB |
69 | } |
70 | ||
71 | return 0; | |
72 | } | |
73 | ||
74 | /* policy for the attributes */ | |
b54452b0 | 75 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
76 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
77 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 78 | .len = 20-1 }, |
31888487 | 79 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
72bdcf34 | 80 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 81 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
b9a5f8ca JM |
82 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
83 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
84 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
85 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 86 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
87 | |
88 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
89 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
90 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f JB |
91 | |
92 | [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN }, | |
3e5d7649 | 93 | [NL80211_ATTR_PREV_BSSID] = { .type = NLA_BINARY, .len = ETH_ALEN }, |
41ade00f | 94 | |
b9454e83 | 95 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
96 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
97 | .len = WLAN_MAX_KEY_LEN }, | |
98 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
99 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
100 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 101 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
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 | |
6c739419 | 135 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
136 | |
137 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
138 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
139 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
140 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
141 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
142 | |
143 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
144 | .len = IEEE80211_MAX_SSID_LEN }, | |
145 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
146 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 147 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 148 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 149 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
150 | [NL80211_ATTR_STA_FLAGS2] = { |
151 | .len = sizeof(struct nl80211_sta_flag_update), | |
152 | }, | |
3f77316c | 153 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
154 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
155 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
156 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
157 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
158 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 159 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 160 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
161 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
162 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
163 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
164 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 165 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
166 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
167 | .len = IEEE80211_MAX_DATA_LEN }, | |
168 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 169 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 170 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 171 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 172 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
173 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
174 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 175 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
176 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
177 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 178 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 179 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 180 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 181 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 182 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 183 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 184 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 185 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 186 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
187 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
188 | .len = IEEE80211_MAX_DATA_LEN }, | |
189 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
190 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 191 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 192 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 193 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
194 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
195 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
196 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
197 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
198 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
e247bd90 | 199 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
200 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
201 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 202 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
203 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
204 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
205 | .len = NL80211_HT_CAPABILITY_LEN | |
206 | }, | |
1d9d9213 | 207 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
55682965 JB |
208 | }; |
209 | ||
e31b8213 | 210 | /* policy for the key attributes */ |
b54452b0 | 211 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 212 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
213 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
214 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 215 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
216 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
217 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 218 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
219 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
220 | }; | |
221 | ||
222 | /* policy for the key default flags */ | |
223 | static const struct nla_policy | |
224 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
225 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
226 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
227 | }; |
228 | ||
ff1b6e69 JB |
229 | /* policy for WoWLAN attributes */ |
230 | static const struct nla_policy | |
231 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
232 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
233 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
234 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
235 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
236 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
237 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
238 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
239 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
ff1b6e69 JB |
240 | }; |
241 | ||
e5497d76 JB |
242 | /* policy for GTK rekey offload attributes */ |
243 | static const struct nla_policy | |
244 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
245 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
246 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
247 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
248 | }; | |
249 | ||
a1f1c21c LC |
250 | static const struct nla_policy |
251 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
252 | [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY, | |
253 | .len = IEEE80211_MAX_SSID_LEN }, | |
254 | }; | |
255 | ||
a043897a HS |
256 | /* ifidx get helper */ |
257 | static int nl80211_get_ifidx(struct netlink_callback *cb) | |
258 | { | |
259 | int res; | |
260 | ||
261 | res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
262 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
263 | nl80211_policy); | |
264 | if (res) | |
265 | return res; | |
266 | ||
267 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) | |
268 | return -EINVAL; | |
269 | ||
270 | res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); | |
271 | if (!res) | |
272 | return -EINVAL; | |
273 | return res; | |
274 | } | |
275 | ||
67748893 JB |
276 | static int nl80211_prepare_netdev_dump(struct sk_buff *skb, |
277 | struct netlink_callback *cb, | |
278 | struct cfg80211_registered_device **rdev, | |
279 | struct net_device **dev) | |
280 | { | |
281 | int ifidx = cb->args[0]; | |
282 | int err; | |
283 | ||
284 | if (!ifidx) | |
285 | ifidx = nl80211_get_ifidx(cb); | |
286 | if (ifidx < 0) | |
287 | return ifidx; | |
288 | ||
289 | cb->args[0] = ifidx; | |
290 | ||
291 | rtnl_lock(); | |
292 | ||
293 | *dev = __dev_get_by_index(sock_net(skb->sk), ifidx); | |
294 | if (!*dev) { | |
295 | err = -ENODEV; | |
296 | goto out_rtnl; | |
297 | } | |
298 | ||
299 | *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); | |
3cc25e51 FF |
300 | if (IS_ERR(*rdev)) { |
301 | err = PTR_ERR(*rdev); | |
67748893 JB |
302 | goto out_rtnl; |
303 | } | |
304 | ||
305 | return 0; | |
306 | out_rtnl: | |
307 | rtnl_unlock(); | |
308 | return err; | |
309 | } | |
310 | ||
311 | static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev) | |
312 | { | |
313 | cfg80211_unlock_rdev(rdev); | |
314 | rtnl_unlock(); | |
315 | } | |
316 | ||
f4a11bb0 JB |
317 | /* IE validation */ |
318 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
319 | { | |
320 | const u8 *pos; | |
321 | int len; | |
322 | ||
323 | if (!attr) | |
324 | return true; | |
325 | ||
326 | pos = nla_data(attr); | |
327 | len = nla_len(attr); | |
328 | ||
329 | while (len) { | |
330 | u8 elemlen; | |
331 | ||
332 | if (len < 2) | |
333 | return false; | |
334 | len -= 2; | |
335 | ||
336 | elemlen = pos[1]; | |
337 | if (elemlen > len) | |
338 | return false; | |
339 | ||
340 | len -= elemlen; | |
341 | pos += 2 + elemlen; | |
342 | } | |
343 | ||
344 | return true; | |
345 | } | |
346 | ||
55682965 JB |
347 | /* message building helper */ |
348 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, | |
349 | int flags, u8 cmd) | |
350 | { | |
351 | /* since there is no private header just add the generic one */ | |
352 | return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); | |
353 | } | |
354 | ||
5dab3b8a LR |
355 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
356 | struct ieee80211_channel *chan) | |
357 | { | |
358 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, | |
359 | chan->center_freq); | |
360 | ||
361 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
362 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); | |
363 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
364 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); | |
365 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) | |
366 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); | |
367 | if (chan->flags & IEEE80211_CHAN_RADAR) | |
368 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); | |
369 | ||
370 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, | |
371 | DBM_TO_MBM(chan->max_power)); | |
372 | ||
373 | return 0; | |
374 | ||
375 | nla_put_failure: | |
376 | return -ENOBUFS; | |
377 | } | |
378 | ||
55682965 JB |
379 | /* netlink command implementations */ |
380 | ||
b9454e83 JB |
381 | struct key_parse { |
382 | struct key_params p; | |
383 | int idx; | |
e31b8213 | 384 | int type; |
b9454e83 | 385 | bool def, defmgmt; |
dbd2fd65 | 386 | bool def_uni, def_multi; |
b9454e83 JB |
387 | }; |
388 | ||
389 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
390 | { | |
391 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
392 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
393 | nl80211_key_policy); | |
394 | if (err) | |
395 | return err; | |
396 | ||
397 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
398 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
399 | ||
dbd2fd65 JB |
400 | if (k->def) { |
401 | k->def_uni = true; | |
402 | k->def_multi = true; | |
403 | } | |
404 | if (k->defmgmt) | |
405 | k->def_multi = true; | |
406 | ||
b9454e83 JB |
407 | if (tb[NL80211_KEY_IDX]) |
408 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
409 | ||
410 | if (tb[NL80211_KEY_DATA]) { | |
411 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
412 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
413 | } | |
414 | ||
415 | if (tb[NL80211_KEY_SEQ]) { | |
416 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
417 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
418 | } | |
419 | ||
420 | if (tb[NL80211_KEY_CIPHER]) | |
421 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
422 | ||
e31b8213 JB |
423 | if (tb[NL80211_KEY_TYPE]) { |
424 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
425 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
426 | return -EINVAL; | |
427 | } | |
428 | ||
dbd2fd65 JB |
429 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
430 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
431 | int err = nla_parse_nested(kdt, | |
432 | NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
433 | tb[NL80211_KEY_DEFAULT_TYPES], | |
434 | nl80211_key_default_policy); | |
435 | if (err) | |
436 | return err; | |
437 | ||
438 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
439 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
440 | } | |
441 | ||
b9454e83 JB |
442 | return 0; |
443 | } | |
444 | ||
445 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
446 | { | |
447 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
448 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
449 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
450 | } | |
451 | ||
452 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
453 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
454 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
455 | } | |
456 | ||
457 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
458 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
459 | ||
460 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
461 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
462 | ||
463 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
464 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
465 | ||
dbd2fd65 JB |
466 | if (k->def) { |
467 | k->def_uni = true; | |
468 | k->def_multi = true; | |
469 | } | |
470 | if (k->defmgmt) | |
471 | k->def_multi = true; | |
472 | ||
e31b8213 JB |
473 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
474 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
475 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
476 | return -EINVAL; | |
477 | } | |
478 | ||
dbd2fd65 JB |
479 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
480 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
481 | int err = nla_parse_nested( | |
482 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
483 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
484 | nl80211_key_default_policy); | |
485 | if (err) | |
486 | return err; | |
487 | ||
488 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
489 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
490 | } | |
491 | ||
b9454e83 JB |
492 | return 0; |
493 | } | |
494 | ||
495 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
496 | { | |
497 | int err; | |
498 | ||
499 | memset(k, 0, sizeof(*k)); | |
500 | k->idx = -1; | |
e31b8213 | 501 | k->type = -1; |
b9454e83 JB |
502 | |
503 | if (info->attrs[NL80211_ATTR_KEY]) | |
504 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
505 | else | |
506 | err = nl80211_parse_key_old(info, k); | |
507 | ||
508 | if (err) | |
509 | return err; | |
510 | ||
511 | if (k->def && k->defmgmt) | |
512 | return -EINVAL; | |
513 | ||
dbd2fd65 JB |
514 | if (k->defmgmt) { |
515 | if (k->def_uni || !k->def_multi) | |
516 | return -EINVAL; | |
517 | } | |
518 | ||
b9454e83 JB |
519 | if (k->idx != -1) { |
520 | if (k->defmgmt) { | |
521 | if (k->idx < 4 || k->idx > 5) | |
522 | return -EINVAL; | |
523 | } else if (k->def) { | |
524 | if (k->idx < 0 || k->idx > 3) | |
525 | return -EINVAL; | |
526 | } else { | |
527 | if (k->idx < 0 || k->idx > 5) | |
528 | return -EINVAL; | |
529 | } | |
530 | } | |
531 | ||
532 | return 0; | |
533 | } | |
534 | ||
fffd0934 JB |
535 | static struct cfg80211_cached_keys * |
536 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
537 | struct nlattr *keys) | |
538 | { | |
539 | struct key_parse parse; | |
540 | struct nlattr *key; | |
541 | struct cfg80211_cached_keys *result; | |
542 | int rem, err, def = 0; | |
543 | ||
544 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
545 | if (!result) | |
546 | return ERR_PTR(-ENOMEM); | |
547 | ||
548 | result->def = -1; | |
549 | result->defmgmt = -1; | |
550 | ||
551 | nla_for_each_nested(key, keys, rem) { | |
552 | memset(&parse, 0, sizeof(parse)); | |
553 | parse.idx = -1; | |
554 | ||
555 | err = nl80211_parse_key_new(key, &parse); | |
556 | if (err) | |
557 | goto error; | |
558 | err = -EINVAL; | |
559 | if (!parse.p.key) | |
560 | goto error; | |
561 | if (parse.idx < 0 || parse.idx > 4) | |
562 | goto error; | |
563 | if (parse.def) { | |
564 | if (def) | |
565 | goto error; | |
566 | def = 1; | |
567 | result->def = parse.idx; | |
dbd2fd65 JB |
568 | if (!parse.def_uni || !parse.def_multi) |
569 | goto error; | |
fffd0934 JB |
570 | } else if (parse.defmgmt) |
571 | goto error; | |
572 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 573 | parse.idx, false, NULL); |
fffd0934 JB |
574 | if (err) |
575 | goto error; | |
576 | result->params[parse.idx].cipher = parse.p.cipher; | |
577 | result->params[parse.idx].key_len = parse.p.key_len; | |
578 | result->params[parse.idx].key = result->data[parse.idx]; | |
579 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
580 | } | |
581 | ||
582 | return result; | |
583 | error: | |
584 | kfree(result); | |
585 | return ERR_PTR(err); | |
586 | } | |
587 | ||
588 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
589 | { | |
590 | ASSERT_WDEV_LOCK(wdev); | |
591 | ||
fffd0934 JB |
592 | switch (wdev->iftype) { |
593 | case NL80211_IFTYPE_AP: | |
594 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 595 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 596 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
597 | break; |
598 | case NL80211_IFTYPE_ADHOC: | |
599 | if (!wdev->current_bss) | |
600 | return -ENOLINK; | |
601 | break; | |
602 | case NL80211_IFTYPE_STATION: | |
074ac8df | 603 | case NL80211_IFTYPE_P2P_CLIENT: |
fffd0934 JB |
604 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
605 | return -ENOLINK; | |
606 | break; | |
607 | default: | |
608 | return -EINVAL; | |
609 | } | |
610 | ||
611 | return 0; | |
612 | } | |
613 | ||
7527a782 JB |
614 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
615 | { | |
616 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
617 | int i; | |
618 | ||
619 | if (!nl_modes) | |
620 | goto nla_put_failure; | |
621 | ||
622 | i = 0; | |
623 | while (ifmodes) { | |
624 | if (ifmodes & 1) | |
625 | NLA_PUT_FLAG(msg, i); | |
626 | ifmodes >>= 1; | |
627 | i++; | |
628 | } | |
629 | ||
630 | nla_nest_end(msg, nl_modes); | |
631 | return 0; | |
632 | ||
633 | nla_put_failure: | |
634 | return -ENOBUFS; | |
635 | } | |
636 | ||
637 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
638 | struct sk_buff *msg) | |
639 | { | |
640 | struct nlattr *nl_combis; | |
641 | int i, j; | |
642 | ||
643 | nl_combis = nla_nest_start(msg, | |
644 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
645 | if (!nl_combis) | |
646 | goto nla_put_failure; | |
647 | ||
648 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
649 | const struct ieee80211_iface_combination *c; | |
650 | struct nlattr *nl_combi, *nl_limits; | |
651 | ||
652 | c = &wiphy->iface_combinations[i]; | |
653 | ||
654 | nl_combi = nla_nest_start(msg, i + 1); | |
655 | if (!nl_combi) | |
656 | goto nla_put_failure; | |
657 | ||
658 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
659 | if (!nl_limits) | |
660 | goto nla_put_failure; | |
661 | ||
662 | for (j = 0; j < c->n_limits; j++) { | |
663 | struct nlattr *nl_limit; | |
664 | ||
665 | nl_limit = nla_nest_start(msg, j + 1); | |
666 | if (!nl_limit) | |
667 | goto nla_put_failure; | |
668 | NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX, | |
669 | c->limits[j].max); | |
670 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, | |
671 | c->limits[j].types)) | |
672 | goto nla_put_failure; | |
673 | nla_nest_end(msg, nl_limit); | |
674 | } | |
675 | ||
676 | nla_nest_end(msg, nl_limits); | |
677 | ||
678 | if (c->beacon_int_infra_match) | |
679 | NLA_PUT_FLAG(msg, | |
680 | NL80211_IFACE_COMB_STA_AP_BI_MATCH); | |
681 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
682 | c->num_different_channels); | |
683 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM, | |
684 | c->max_interfaces); | |
685 | ||
686 | nla_nest_end(msg, nl_combi); | |
687 | } | |
688 | ||
689 | nla_nest_end(msg, nl_combis); | |
690 | ||
691 | return 0; | |
692 | nla_put_failure: | |
693 | return -ENOBUFS; | |
694 | } | |
695 | ||
55682965 JB |
696 | static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, |
697 | struct cfg80211_registered_device *dev) | |
698 | { | |
699 | void *hdr; | |
ee688b00 JB |
700 | struct nlattr *nl_bands, *nl_band; |
701 | struct nlattr *nl_freqs, *nl_freq; | |
702 | struct nlattr *nl_rates, *nl_rate; | |
8fdc621d | 703 | struct nlattr *nl_cmds; |
ee688b00 JB |
704 | enum ieee80211_band band; |
705 | struct ieee80211_channel *chan; | |
706 | struct ieee80211_rate *rate; | |
707 | int i; | |
2e161f78 JB |
708 | const struct ieee80211_txrx_stypes *mgmt_stypes = |
709 | dev->wiphy.mgmt_stypes; | |
55682965 JB |
710 | |
711 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); | |
712 | if (!hdr) | |
713 | return -1; | |
714 | ||
b5850a7a | 715 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx); |
55682965 | 716 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); |
b9a5f8ca | 717 | |
f5ea9120 JB |
718 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, |
719 | cfg80211_rdev_list_generation); | |
720 | ||
b9a5f8ca JM |
721 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, |
722 | dev->wiphy.retry_short); | |
723 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
724 | dev->wiphy.retry_long); | |
725 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
726 | dev->wiphy.frag_threshold); | |
727 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
728 | dev->wiphy.rts_threshold); | |
81077e82 LT |
729 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
730 | dev->wiphy.coverage_class); | |
2a519311 JB |
731 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
732 | dev->wiphy.max_scan_ssids); | |
93b6aa69 LC |
733 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
734 | dev->wiphy.max_sched_scan_ssids); | |
18a83659 JB |
735 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
736 | dev->wiphy.max_scan_ie_len); | |
5a865bad LC |
737 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
738 | dev->wiphy.max_sched_scan_ie_len); | |
a1f1c21c LC |
739 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
740 | dev->wiphy.max_match_sets); | |
ee688b00 | 741 | |
e31b8213 JB |
742 | if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) |
743 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN); | |
15d5dda6 JC |
744 | if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) |
745 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH); | |
cedb5412 EP |
746 | if (dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) |
747 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_AP_UAPSD); | |
f4b34b55 VN |
748 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) |
749 | NLA_PUT_FLAG(msg, NL80211_ATTR_ROAM_SUPPORT); | |
109086ce AN |
750 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) |
751 | NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_SUPPORT); | |
752 | if (dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) | |
753 | NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP); | |
f4b34b55 | 754 | |
25e47c18 JB |
755 | NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES, |
756 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
757 | dev->wiphy.cipher_suites); | |
758 | ||
67fbb16b SO |
759 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
760 | dev->wiphy.max_num_pmkids); | |
761 | ||
c0692b8f JB |
762 | if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) |
763 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); | |
764 | ||
39fd5de4 BR |
765 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
766 | dev->wiphy.available_antennas_tx); | |
767 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
768 | dev->wiphy.available_antennas_rx); | |
769 | ||
87bbbe22 AN |
770 | if (dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) |
771 | NLA_PUT_U32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
772 | dev->wiphy.probe_resp_offload); | |
773 | ||
7f531e03 BR |
774 | if ((dev->wiphy.available_antennas_tx || |
775 | dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { | |
afe0cbf8 BR |
776 | u32 tx_ant = 0, rx_ant = 0; |
777 | int res; | |
778 | res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant); | |
779 | if (!res) { | |
780 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); | |
781 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); | |
782 | } | |
783 | } | |
784 | ||
7527a782 JB |
785 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, |
786 | dev->wiphy.interface_modes)) | |
f59ac048 LR |
787 | goto nla_put_failure; |
788 | ||
ee688b00 JB |
789 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); |
790 | if (!nl_bands) | |
791 | goto nla_put_failure; | |
792 | ||
793 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
794 | if (!dev->wiphy.bands[band]) | |
795 | continue; | |
796 | ||
797 | nl_band = nla_nest_start(msg, band); | |
798 | if (!nl_band) | |
799 | goto nla_put_failure; | |
800 | ||
d51626df JB |
801 | /* add HT info */ |
802 | if (dev->wiphy.bands[band]->ht_cap.ht_supported) { | |
803 | NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
804 | sizeof(dev->wiphy.bands[band]->ht_cap.mcs), | |
805 | &dev->wiphy.bands[band]->ht_cap.mcs); | |
806 | NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
807 | dev->wiphy.bands[band]->ht_cap.cap); | |
808 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
809 | dev->wiphy.bands[band]->ht_cap.ampdu_factor); | |
810 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
811 | dev->wiphy.bands[band]->ht_cap.ampdu_density); | |
812 | } | |
813 | ||
ee688b00 JB |
814 | /* add frequencies */ |
815 | nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); | |
816 | if (!nl_freqs) | |
817 | goto nla_put_failure; | |
818 | ||
819 | for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { | |
820 | nl_freq = nla_nest_start(msg, i); | |
821 | if (!nl_freq) | |
822 | goto nla_put_failure; | |
823 | ||
824 | chan = &dev->wiphy.bands[band]->channels[i]; | |
5dab3b8a LR |
825 | |
826 | if (nl80211_msg_put_channel(msg, chan)) | |
827 | goto nla_put_failure; | |
e2f367f2 | 828 | |
ee688b00 JB |
829 | nla_nest_end(msg, nl_freq); |
830 | } | |
831 | ||
832 | nla_nest_end(msg, nl_freqs); | |
833 | ||
834 | /* add bitrates */ | |
835 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
836 | if (!nl_rates) | |
837 | goto nla_put_failure; | |
838 | ||
839 | for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { | |
840 | nl_rate = nla_nest_start(msg, i); | |
841 | if (!nl_rate) | |
842 | goto nla_put_failure; | |
843 | ||
844 | rate = &dev->wiphy.bands[band]->bitrates[i]; | |
845 | NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, | |
846 | rate->bitrate); | |
847 | if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) | |
848 | NLA_PUT_FLAG(msg, | |
849 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); | |
850 | ||
851 | nla_nest_end(msg, nl_rate); | |
852 | } | |
853 | ||
854 | nla_nest_end(msg, nl_rates); | |
855 | ||
856 | nla_nest_end(msg, nl_band); | |
857 | } | |
858 | nla_nest_end(msg, nl_bands); | |
859 | ||
8fdc621d JB |
860 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); |
861 | if (!nl_cmds) | |
862 | goto nla_put_failure; | |
863 | ||
864 | i = 0; | |
865 | #define CMD(op, n) \ | |
866 | do { \ | |
867 | if (dev->ops->op) { \ | |
868 | i++; \ | |
869 | NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \ | |
870 | } \ | |
871 | } while (0) | |
872 | ||
873 | CMD(add_virtual_intf, NEW_INTERFACE); | |
874 | CMD(change_virtual_intf, SET_INTERFACE); | |
875 | CMD(add_key, NEW_KEY); | |
876 | CMD(add_beacon, NEW_BEACON); | |
877 | CMD(add_station, NEW_STATION); | |
878 | CMD(add_mpath, NEW_MPATH); | |
24bdd9f4 | 879 | CMD(update_mesh_config, SET_MESH_CONFIG); |
8fdc621d | 880 | CMD(change_bss, SET_BSS); |
636a5d36 JM |
881 | CMD(auth, AUTHENTICATE); |
882 | CMD(assoc, ASSOCIATE); | |
883 | CMD(deauth, DEAUTHENTICATE); | |
884 | CMD(disassoc, DISASSOCIATE); | |
04a773ad | 885 | CMD(join_ibss, JOIN_IBSS); |
29cbe68c | 886 | CMD(join_mesh, JOIN_MESH); |
67fbb16b SO |
887 | CMD(set_pmksa, SET_PMKSA); |
888 | CMD(del_pmksa, DEL_PMKSA); | |
889 | CMD(flush_pmksa, FLUSH_PMKSA); | |
7c4ef712 JB |
890 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
891 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
13ae75b1 | 892 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); |
2e161f78 | 893 | CMD(mgmt_tx, FRAME); |
f7ca38df | 894 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); |
5be83de5 | 895 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
463d0183 JB |
896 | i++; |
897 | NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS); | |
898 | } | |
f444de05 | 899 | CMD(set_channel, SET_CHANNEL); |
e8347eba | 900 | CMD(set_wds_peer, SET_WDS_PEER); |
109086ce AN |
901 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
902 | CMD(tdls_mgmt, TDLS_MGMT); | |
903 | CMD(tdls_oper, TDLS_OPER); | |
904 | } | |
807f8a8c LC |
905 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
906 | CMD(sched_scan_start, START_SCHED_SCAN); | |
7f6cf311 | 907 | CMD(probe_client, PROBE_CLIENT); |
1d9d9213 | 908 | CMD(set_noack_map, SET_NOACK_MAP); |
5e760230 JB |
909 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
910 | i++; | |
911 | NLA_PUT_U32(msg, i, NL80211_CMD_REGISTER_BEACONS); | |
912 | } | |
8fdc621d | 913 | |
4745fc09 KV |
914 | #ifdef CONFIG_NL80211_TESTMODE |
915 | CMD(testmode_cmd, TESTMODE); | |
916 | #endif | |
917 | ||
8fdc621d | 918 | #undef CMD |
b23aa676 | 919 | |
6829c878 | 920 | if (dev->ops->connect || dev->ops->auth) { |
b23aa676 SO |
921 | i++; |
922 | NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT); | |
923 | } | |
924 | ||
6829c878 | 925 | if (dev->ops->disconnect || dev->ops->deauth) { |
b23aa676 SO |
926 | i++; |
927 | NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT); | |
928 | } | |
929 | ||
8fdc621d JB |
930 | nla_nest_end(msg, nl_cmds); |
931 | ||
7c4ef712 JB |
932 | if (dev->ops->remain_on_channel && |
933 | dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
a293911d JB |
934 | NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, |
935 | dev->wiphy.max_remain_on_channel_duration); | |
936 | ||
7c4ef712 | 937 | if (dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) |
f7ca38df JB |
938 | NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); |
939 | ||
2e161f78 JB |
940 | if (mgmt_stypes) { |
941 | u16 stypes; | |
942 | struct nlattr *nl_ftypes, *nl_ifs; | |
943 | enum nl80211_iftype ift; | |
944 | ||
945 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); | |
946 | if (!nl_ifs) | |
947 | goto nla_put_failure; | |
948 | ||
949 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
950 | nl_ftypes = nla_nest_start(msg, ift); | |
951 | if (!nl_ftypes) | |
952 | goto nla_put_failure; | |
953 | i = 0; | |
954 | stypes = mgmt_stypes[ift].tx; | |
955 | while (stypes) { | |
956 | if (stypes & 1) | |
957 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
958 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
959 | stypes >>= 1; | |
960 | i++; | |
961 | } | |
962 | nla_nest_end(msg, nl_ftypes); | |
963 | } | |
964 | ||
74b70a4e JB |
965 | nla_nest_end(msg, nl_ifs); |
966 | ||
2e161f78 JB |
967 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
968 | if (!nl_ifs) | |
969 | goto nla_put_failure; | |
970 | ||
971 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
972 | nl_ftypes = nla_nest_start(msg, ift); | |
973 | if (!nl_ftypes) | |
974 | goto nla_put_failure; | |
975 | i = 0; | |
976 | stypes = mgmt_stypes[ift].rx; | |
977 | while (stypes) { | |
978 | if (stypes & 1) | |
979 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
980 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
981 | stypes >>= 1; | |
982 | i++; | |
983 | } | |
984 | nla_nest_end(msg, nl_ftypes); | |
985 | } | |
986 | nla_nest_end(msg, nl_ifs); | |
987 | } | |
988 | ||
ff1b6e69 JB |
989 | if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) { |
990 | struct nlattr *nl_wowlan; | |
991 | ||
992 | nl_wowlan = nla_nest_start(msg, | |
993 | NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); | |
994 | if (!nl_wowlan) | |
995 | goto nla_put_failure; | |
996 | ||
997 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) | |
998 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
999 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) | |
1000 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
1001 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) | |
1002 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
77dbbb13 JB |
1003 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) |
1004 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED); | |
1005 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) | |
1006 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
1007 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) | |
1008 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
1009 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) | |
1010 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
1011 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) | |
1012 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
ff1b6e69 JB |
1013 | if (dev->wiphy.wowlan.n_patterns) { |
1014 | struct nl80211_wowlan_pattern_support pat = { | |
1015 | .max_patterns = dev->wiphy.wowlan.n_patterns, | |
1016 | .min_pattern_len = | |
1017 | dev->wiphy.wowlan.pattern_min_len, | |
1018 | .max_pattern_len = | |
1019 | dev->wiphy.wowlan.pattern_max_len, | |
1020 | }; | |
1021 | NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
1022 | sizeof(pat), &pat); | |
1023 | } | |
1024 | ||
1025 | nla_nest_end(msg, nl_wowlan); | |
1026 | } | |
1027 | ||
7527a782 JB |
1028 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, |
1029 | dev->wiphy.software_iftypes)) | |
1030 | goto nla_put_failure; | |
1031 | ||
1032 | if (nl80211_put_iface_combinations(&dev->wiphy, msg)) | |
1033 | goto nla_put_failure; | |
1034 | ||
562a7480 JB |
1035 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) |
1036 | NLA_PUT_U32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1037 | dev->wiphy.ap_sme_capa); | |
1038 | ||
1f074bd8 JB |
1039 | NLA_PUT_U32(msg, NL80211_ATTR_FEATURE_FLAGS, dev->wiphy.features); |
1040 | ||
7e7c8926 BG |
1041 | if (dev->wiphy.ht_capa_mod_mask) |
1042 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1043 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1044 | dev->wiphy.ht_capa_mod_mask); | |
1045 | ||
55682965 JB |
1046 | return genlmsg_end(msg, hdr); |
1047 | ||
1048 | nla_put_failure: | |
bc3ed28c TG |
1049 | genlmsg_cancel(msg, hdr); |
1050 | return -EMSGSIZE; | |
55682965 JB |
1051 | } |
1052 | ||
1053 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) | |
1054 | { | |
1055 | int idx = 0; | |
1056 | int start = cb->args[0]; | |
1057 | struct cfg80211_registered_device *dev; | |
1058 | ||
a1794390 | 1059 | mutex_lock(&cfg80211_mutex); |
79c97e97 | 1060 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1061 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1062 | continue; | |
b4637271 | 1063 | if (++idx <= start) |
55682965 JB |
1064 | continue; |
1065 | if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, | |
1066 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
b4637271 JV |
1067 | dev) < 0) { |
1068 | idx--; | |
55682965 | 1069 | break; |
b4637271 | 1070 | } |
55682965 | 1071 | } |
a1794390 | 1072 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1073 | |
1074 | cb->args[0] = idx; | |
1075 | ||
1076 | return skb->len; | |
1077 | } | |
1078 | ||
1079 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) | |
1080 | { | |
1081 | struct sk_buff *msg; | |
4c476991 | 1082 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
55682965 | 1083 | |
fd2120ca | 1084 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1085 | if (!msg) |
4c476991 | 1086 | return -ENOMEM; |
55682965 | 1087 | |
4c476991 JB |
1088 | if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { |
1089 | nlmsg_free(msg); | |
1090 | return -ENOBUFS; | |
1091 | } | |
55682965 | 1092 | |
134e6375 | 1093 | return genlmsg_reply(msg, info); |
55682965 JB |
1094 | } |
1095 | ||
31888487 JM |
1096 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1097 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1098 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1099 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1100 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1101 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1102 | }; | |
1103 | ||
1104 | static int parse_txq_params(struct nlattr *tb[], | |
1105 | struct ieee80211_txq_params *txq_params) | |
1106 | { | |
1107 | if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] || | |
1108 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || | |
1109 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1110 | return -EINVAL; | |
1111 | ||
1112 | txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]); | |
1113 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); | |
1114 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1115 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1116 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1117 | ||
1118 | return 0; | |
1119 | } | |
1120 | ||
f444de05 JB |
1121 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1122 | { | |
1123 | /* | |
1124 | * You can only set the channel explicitly for AP, mesh | |
1125 | * and WDS type interfaces; all others have their channel | |
1126 | * managed via their respective "establish a connection" | |
1127 | * command (connect, join, ...) | |
1128 | * | |
1129 | * Monitors are special as they are normally slaved to | |
1130 | * whatever else is going on, so they behave as though | |
1131 | * you tried setting the wiphy channel itself. | |
1132 | */ | |
1133 | return !wdev || | |
1134 | wdev->iftype == NL80211_IFTYPE_AP || | |
1135 | wdev->iftype == NL80211_IFTYPE_WDS || | |
1136 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || | |
074ac8df JB |
1137 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1138 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1139 | } |
1140 | ||
1141 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, | |
1142 | struct wireless_dev *wdev, | |
1143 | struct genl_info *info) | |
1144 | { | |
1145 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
1146 | u32 freq; | |
1147 | int result; | |
1148 | ||
1149 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1150 | return -EINVAL; | |
1151 | ||
1152 | if (!nl80211_can_set_dev_channel(wdev)) | |
1153 | return -EOPNOTSUPP; | |
1154 | ||
1155 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { | |
1156 | channel_type = nla_get_u32(info->attrs[ | |
1157 | NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1158 | if (channel_type != NL80211_CHAN_NO_HT && | |
1159 | channel_type != NL80211_CHAN_HT20 && | |
1160 | channel_type != NL80211_CHAN_HT40PLUS && | |
1161 | channel_type != NL80211_CHAN_HT40MINUS) | |
1162 | return -EINVAL; | |
1163 | } | |
1164 | ||
1165 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1166 | ||
1167 | mutex_lock(&rdev->devlist_mtx); | |
1168 | if (wdev) { | |
1169 | wdev_lock(wdev); | |
1170 | result = cfg80211_set_freq(rdev, wdev, freq, channel_type); | |
1171 | wdev_unlock(wdev); | |
1172 | } else { | |
1173 | result = cfg80211_set_freq(rdev, NULL, freq, channel_type); | |
1174 | } | |
1175 | mutex_unlock(&rdev->devlist_mtx); | |
1176 | ||
1177 | return result; | |
1178 | } | |
1179 | ||
1180 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1181 | { | |
4c476991 JB |
1182 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1183 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1184 | |
4c476991 | 1185 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1186 | } |
1187 | ||
e8347eba BJ |
1188 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1189 | { | |
43b19952 JB |
1190 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1191 | struct net_device *dev = info->user_ptr[1]; | |
1192 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1193 | const u8 *bssid; |
e8347eba BJ |
1194 | |
1195 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1196 | return -EINVAL; | |
1197 | ||
43b19952 JB |
1198 | if (netif_running(dev)) |
1199 | return -EBUSY; | |
e8347eba | 1200 | |
43b19952 JB |
1201 | if (!rdev->ops->set_wds_peer) |
1202 | return -EOPNOTSUPP; | |
e8347eba | 1203 | |
43b19952 JB |
1204 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1205 | return -EOPNOTSUPP; | |
e8347eba BJ |
1206 | |
1207 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
43b19952 | 1208 | return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); |
e8347eba BJ |
1209 | } |
1210 | ||
1211 | ||
55682965 JB |
1212 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1213 | { | |
1214 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1215 | struct net_device *netdev = NULL; |
1216 | struct wireless_dev *wdev; | |
a1e567c8 | 1217 | int result = 0, rem_txq_params = 0; |
31888487 | 1218 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1219 | u32 changed; |
1220 | u8 retry_short = 0, retry_long = 0; | |
1221 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1222 | u8 coverage_class = 0; |
55682965 | 1223 | |
f444de05 JB |
1224 | /* |
1225 | * Try to find the wiphy and netdev. Normally this | |
1226 | * function shouldn't need the netdev, but this is | |
1227 | * done for backward compatibility -- previously | |
1228 | * setting the channel was done per wiphy, but now | |
1229 | * it is per netdev. Previous userland like hostapd | |
1230 | * also passed a netdev to set_wiphy, so that it is | |
1231 | * possible to let that go to the right netdev! | |
1232 | */ | |
4bbf4d56 JB |
1233 | mutex_lock(&cfg80211_mutex); |
1234 | ||
f444de05 JB |
1235 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1236 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1237 | ||
1238 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
1239 | if (netdev && netdev->ieee80211_ptr) { | |
1240 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); | |
1241 | mutex_lock(&rdev->mtx); | |
1242 | } else | |
1243 | netdev = NULL; | |
4bbf4d56 JB |
1244 | } |
1245 | ||
f444de05 JB |
1246 | if (!netdev) { |
1247 | rdev = __cfg80211_rdev_from_info(info); | |
1248 | if (IS_ERR(rdev)) { | |
1249 | mutex_unlock(&cfg80211_mutex); | |
4c476991 | 1250 | return PTR_ERR(rdev); |
f444de05 JB |
1251 | } |
1252 | wdev = NULL; | |
1253 | netdev = NULL; | |
1254 | result = 0; | |
1255 | ||
1256 | mutex_lock(&rdev->mtx); | |
1257 | } else if (netif_running(netdev) && | |
1258 | nl80211_can_set_dev_channel(netdev->ieee80211_ptr)) | |
1259 | wdev = netdev->ieee80211_ptr; | |
1260 | else | |
1261 | wdev = NULL; | |
1262 | ||
1263 | /* | |
1264 | * end workaround code, by now the rdev is available | |
1265 | * and locked, and wdev may or may not be NULL. | |
1266 | */ | |
4bbf4d56 JB |
1267 | |
1268 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1269 | result = cfg80211_dev_rename( |
1270 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 JB |
1271 | |
1272 | mutex_unlock(&cfg80211_mutex); | |
1273 | ||
1274 | if (result) | |
1275 | goto bad_res; | |
31888487 JM |
1276 | |
1277 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1278 | struct ieee80211_txq_params txq_params; | |
1279 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1280 | ||
1281 | if (!rdev->ops->set_txq_params) { | |
1282 | result = -EOPNOTSUPP; | |
1283 | goto bad_res; | |
1284 | } | |
1285 | ||
f70f01c2 EP |
1286 | if (!netdev) { |
1287 | result = -EINVAL; | |
1288 | goto bad_res; | |
1289 | } | |
1290 | ||
133a3ff2 JB |
1291 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
1292 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
1293 | result = -EINVAL; | |
1294 | goto bad_res; | |
1295 | } | |
1296 | ||
31888487 JM |
1297 | nla_for_each_nested(nl_txq_params, |
1298 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
1299 | rem_txq_params) { | |
1300 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
1301 | nla_data(nl_txq_params), | |
1302 | nla_len(nl_txq_params), | |
1303 | txq_params_policy); | |
1304 | result = parse_txq_params(tb, &txq_params); | |
1305 | if (result) | |
1306 | goto bad_res; | |
1307 | ||
1308 | result = rdev->ops->set_txq_params(&rdev->wiphy, | |
f70f01c2 | 1309 | netdev, |
31888487 JM |
1310 | &txq_params); |
1311 | if (result) | |
1312 | goto bad_res; | |
1313 | } | |
1314 | } | |
55682965 | 1315 | |
72bdcf34 | 1316 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
f444de05 | 1317 | result = __nl80211_set_channel(rdev, wdev, info); |
72bdcf34 JM |
1318 | if (result) |
1319 | goto bad_res; | |
1320 | } | |
1321 | ||
98d2ff8b JO |
1322 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
1323 | enum nl80211_tx_power_setting type; | |
1324 | int idx, mbm = 0; | |
1325 | ||
1326 | if (!rdev->ops->set_tx_power) { | |
60ea385f | 1327 | result = -EOPNOTSUPP; |
98d2ff8b JO |
1328 | goto bad_res; |
1329 | } | |
1330 | ||
1331 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
1332 | type = nla_get_u32(info->attrs[idx]); | |
1333 | ||
1334 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
1335 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
1336 | result = -EINVAL; | |
1337 | goto bad_res; | |
1338 | } | |
1339 | ||
1340 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
1341 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
1342 | mbm = nla_get_u32(info->attrs[idx]); | |
1343 | } | |
1344 | ||
1345 | result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm); | |
1346 | if (result) | |
1347 | goto bad_res; | |
1348 | } | |
1349 | ||
afe0cbf8 BR |
1350 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
1351 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
1352 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
1353 | if ((!rdev->wiphy.available_antennas_tx && |
1354 | !rdev->wiphy.available_antennas_rx) || | |
1355 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
1356 | result = -EOPNOTSUPP; |
1357 | goto bad_res; | |
1358 | } | |
1359 | ||
1360 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
1361 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
1362 | ||
a7ffac95 | 1363 | /* reject antenna configurations which don't match the |
7f531e03 BR |
1364 | * available antenna masks, except for the "all" mask */ |
1365 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
1366 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
1367 | result = -EINVAL; |
1368 | goto bad_res; | |
1369 | } | |
1370 | ||
7f531e03 BR |
1371 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
1372 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 1373 | |
afe0cbf8 BR |
1374 | result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); |
1375 | if (result) | |
1376 | goto bad_res; | |
1377 | } | |
1378 | ||
b9a5f8ca JM |
1379 | changed = 0; |
1380 | ||
1381 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
1382 | retry_short = nla_get_u8( | |
1383 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
1384 | if (retry_short == 0) { | |
1385 | result = -EINVAL; | |
1386 | goto bad_res; | |
1387 | } | |
1388 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
1389 | } | |
1390 | ||
1391 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
1392 | retry_long = nla_get_u8( | |
1393 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
1394 | if (retry_long == 0) { | |
1395 | result = -EINVAL; | |
1396 | goto bad_res; | |
1397 | } | |
1398 | changed |= WIPHY_PARAM_RETRY_LONG; | |
1399 | } | |
1400 | ||
1401 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
1402 | frag_threshold = nla_get_u32( | |
1403 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
1404 | if (frag_threshold < 256) { | |
1405 | result = -EINVAL; | |
1406 | goto bad_res; | |
1407 | } | |
1408 | if (frag_threshold != (u32) -1) { | |
1409 | /* | |
1410 | * Fragments (apart from the last one) are required to | |
1411 | * have even length. Make the fragmentation code | |
1412 | * simpler by stripping LSB should someone try to use | |
1413 | * odd threshold value. | |
1414 | */ | |
1415 | frag_threshold &= ~0x1; | |
1416 | } | |
1417 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
1418 | } | |
1419 | ||
1420 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
1421 | rts_threshold = nla_get_u32( | |
1422 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
1423 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
1424 | } | |
1425 | ||
81077e82 LT |
1426 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
1427 | coverage_class = nla_get_u8( | |
1428 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
1429 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
1430 | } | |
1431 | ||
b9a5f8ca JM |
1432 | if (changed) { |
1433 | u8 old_retry_short, old_retry_long; | |
1434 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 1435 | u8 old_coverage_class; |
b9a5f8ca JM |
1436 | |
1437 | if (!rdev->ops->set_wiphy_params) { | |
1438 | result = -EOPNOTSUPP; | |
1439 | goto bad_res; | |
1440 | } | |
1441 | ||
1442 | old_retry_short = rdev->wiphy.retry_short; | |
1443 | old_retry_long = rdev->wiphy.retry_long; | |
1444 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
1445 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 1446 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
1447 | |
1448 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1449 | rdev->wiphy.retry_short = retry_short; | |
1450 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1451 | rdev->wiphy.retry_long = retry_long; | |
1452 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
1453 | rdev->wiphy.frag_threshold = frag_threshold; | |
1454 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
1455 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
1456 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
1457 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca JM |
1458 | |
1459 | result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed); | |
1460 | if (result) { | |
1461 | rdev->wiphy.retry_short = old_retry_short; | |
1462 | rdev->wiphy.retry_long = old_retry_long; | |
1463 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
1464 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 1465 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
1466 | } |
1467 | } | |
72bdcf34 | 1468 | |
306d6112 | 1469 | bad_res: |
4bbf4d56 | 1470 | mutex_unlock(&rdev->mtx); |
f444de05 JB |
1471 | if (netdev) |
1472 | dev_put(netdev); | |
55682965 JB |
1473 | return result; |
1474 | } | |
1475 | ||
1476 | ||
1477 | static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
d726405a | 1478 | struct cfg80211_registered_device *rdev, |
55682965 JB |
1479 | struct net_device *dev) |
1480 | { | |
1481 | void *hdr; | |
1482 | ||
1483 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); | |
1484 | if (!hdr) | |
1485 | return -1; | |
1486 | ||
1487 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
d726405a | 1488 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
55682965 | 1489 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name); |
60719ffd | 1490 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype); |
f5ea9120 JB |
1491 | |
1492 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, | |
1493 | rdev->devlist_generation ^ | |
1494 | (cfg80211_rdev_list_generation << 2)); | |
1495 | ||
55682965 JB |
1496 | return genlmsg_end(msg, hdr); |
1497 | ||
1498 | nla_put_failure: | |
bc3ed28c TG |
1499 | genlmsg_cancel(msg, hdr); |
1500 | return -EMSGSIZE; | |
55682965 JB |
1501 | } |
1502 | ||
1503 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
1504 | { | |
1505 | int wp_idx = 0; | |
1506 | int if_idx = 0; | |
1507 | int wp_start = cb->args[0]; | |
1508 | int if_start = cb->args[1]; | |
f5ea9120 | 1509 | struct cfg80211_registered_device *rdev; |
55682965 JB |
1510 | struct wireless_dev *wdev; |
1511 | ||
a1794390 | 1512 | mutex_lock(&cfg80211_mutex); |
f5ea9120 JB |
1513 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1514 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1515 | continue; |
bba95fef JB |
1516 | if (wp_idx < wp_start) { |
1517 | wp_idx++; | |
55682965 | 1518 | continue; |
bba95fef | 1519 | } |
55682965 JB |
1520 | if_idx = 0; |
1521 | ||
f5ea9120 JB |
1522 | mutex_lock(&rdev->devlist_mtx); |
1523 | list_for_each_entry(wdev, &rdev->netdev_list, list) { | |
bba95fef JB |
1524 | if (if_idx < if_start) { |
1525 | if_idx++; | |
55682965 | 1526 | continue; |
bba95fef | 1527 | } |
55682965 JB |
1528 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, |
1529 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
f5ea9120 JB |
1530 | rdev, wdev->netdev) < 0) { |
1531 | mutex_unlock(&rdev->devlist_mtx); | |
bba95fef JB |
1532 | goto out; |
1533 | } | |
1534 | if_idx++; | |
55682965 | 1535 | } |
f5ea9120 | 1536 | mutex_unlock(&rdev->devlist_mtx); |
bba95fef JB |
1537 | |
1538 | wp_idx++; | |
55682965 | 1539 | } |
bba95fef | 1540 | out: |
a1794390 | 1541 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1542 | |
1543 | cb->args[0] = wp_idx; | |
1544 | cb->args[1] = if_idx; | |
1545 | ||
1546 | return skb->len; | |
1547 | } | |
1548 | ||
1549 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
1550 | { | |
1551 | struct sk_buff *msg; | |
4c476991 JB |
1552 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
1553 | struct net_device *netdev = info->user_ptr[1]; | |
55682965 | 1554 | |
fd2120ca | 1555 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1556 | if (!msg) |
4c476991 | 1557 | return -ENOMEM; |
55682965 | 1558 | |
d726405a | 1559 | if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, |
4c476991 JB |
1560 | dev, netdev) < 0) { |
1561 | nlmsg_free(msg); | |
1562 | return -ENOBUFS; | |
1563 | } | |
55682965 | 1564 | |
134e6375 | 1565 | return genlmsg_reply(msg, info); |
55682965 JB |
1566 | } |
1567 | ||
66f7ac50 MW |
1568 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
1569 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
1570 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
1571 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
1572 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
1573 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
1574 | }; | |
1575 | ||
1576 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
1577 | { | |
1578 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
1579 | int flag; | |
1580 | ||
1581 | *mntrflags = 0; | |
1582 | ||
1583 | if (!nla) | |
1584 | return -EINVAL; | |
1585 | ||
1586 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
1587 | nla, mntr_flags_policy)) | |
1588 | return -EINVAL; | |
1589 | ||
1590 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
1591 | if (flags[flag]) | |
1592 | *mntrflags |= (1<<flag); | |
1593 | ||
1594 | return 0; | |
1595 | } | |
1596 | ||
9bc383de | 1597 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
1598 | struct net_device *netdev, u8 use_4addr, |
1599 | enum nl80211_iftype iftype) | |
9bc383de | 1600 | { |
ad4bb6f8 | 1601 | if (!use_4addr) { |
f350a0a8 | 1602 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 1603 | return -EBUSY; |
9bc383de | 1604 | return 0; |
ad4bb6f8 | 1605 | } |
9bc383de JB |
1606 | |
1607 | switch (iftype) { | |
1608 | case NL80211_IFTYPE_AP_VLAN: | |
1609 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
1610 | return 0; | |
1611 | break; | |
1612 | case NL80211_IFTYPE_STATION: | |
1613 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
1614 | return 0; | |
1615 | break; | |
1616 | default: | |
1617 | break; | |
1618 | } | |
1619 | ||
1620 | return -EOPNOTSUPP; | |
1621 | } | |
1622 | ||
55682965 JB |
1623 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
1624 | { | |
4c476991 | 1625 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1626 | struct vif_params params; |
e36d56b6 | 1627 | int err; |
04a773ad | 1628 | enum nl80211_iftype otype, ntype; |
4c476991 | 1629 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 1630 | u32 _flags, *flags = NULL; |
ac7f9cfa | 1631 | bool change = false; |
55682965 | 1632 | |
2ec600d6 LCC |
1633 | memset(¶ms, 0, sizeof(params)); |
1634 | ||
04a773ad | 1635 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 1636 | |
723b038d | 1637 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 1638 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 1639 | if (otype != ntype) |
ac7f9cfa | 1640 | change = true; |
4c476991 JB |
1641 | if (ntype > NL80211_IFTYPE_MAX) |
1642 | return -EINVAL; | |
723b038d JB |
1643 | } |
1644 | ||
92ffe055 | 1645 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
1646 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
1647 | ||
4c476991 JB |
1648 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
1649 | return -EINVAL; | |
29cbe68c JB |
1650 | if (netif_running(dev)) |
1651 | return -EBUSY; | |
1652 | ||
1653 | wdev_lock(wdev); | |
1654 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1655 | IEEE80211_MAX_MESH_ID_LEN); | |
1656 | wdev->mesh_id_up_len = | |
1657 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1658 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1659 | wdev->mesh_id_up_len); | |
1660 | wdev_unlock(wdev); | |
2ec600d6 LCC |
1661 | } |
1662 | ||
8b787643 FF |
1663 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
1664 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
1665 | change = true; | |
ad4bb6f8 | 1666 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 1667 | if (err) |
4c476991 | 1668 | return err; |
8b787643 FF |
1669 | } else { |
1670 | params.use_4addr = -1; | |
1671 | } | |
1672 | ||
92ffe055 | 1673 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
1674 | if (ntype != NL80211_IFTYPE_MONITOR) |
1675 | return -EINVAL; | |
92ffe055 JB |
1676 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
1677 | &_flags); | |
ac7f9cfa | 1678 | if (err) |
4c476991 | 1679 | return err; |
ac7f9cfa JB |
1680 | |
1681 | flags = &_flags; | |
1682 | change = true; | |
92ffe055 | 1683 | } |
3b85875a | 1684 | |
ac7f9cfa | 1685 | if (change) |
3d54d255 | 1686 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
1687 | else |
1688 | err = 0; | |
60719ffd | 1689 | |
9bc383de JB |
1690 | if (!err && params.use_4addr != -1) |
1691 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
1692 | ||
55682965 JB |
1693 | return err; |
1694 | } | |
1695 | ||
1696 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
1697 | { | |
4c476991 | 1698 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1699 | struct vif_params params; |
f9e10ce4 | 1700 | struct net_device *dev; |
55682965 JB |
1701 | int err; |
1702 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 1703 | u32 flags; |
55682965 | 1704 | |
2ec600d6 LCC |
1705 | memset(¶ms, 0, sizeof(params)); |
1706 | ||
55682965 JB |
1707 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
1708 | return -EINVAL; | |
1709 | ||
1710 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
1711 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
1712 | if (type > NL80211_IFTYPE_MAX) | |
1713 | return -EINVAL; | |
1714 | } | |
1715 | ||
79c97e97 | 1716 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
1717 | !(rdev->wiphy.interface_modes & (1 << type))) |
1718 | return -EOPNOTSUPP; | |
55682965 | 1719 | |
9bc383de | 1720 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 1721 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 1722 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 1723 | if (err) |
4c476991 | 1724 | return err; |
9bc383de | 1725 | } |
8b787643 | 1726 | |
66f7ac50 MW |
1727 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
1728 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
1729 | &flags); | |
f9e10ce4 | 1730 | dev = rdev->ops->add_virtual_intf(&rdev->wiphy, |
66f7ac50 | 1731 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), |
2ec600d6 | 1732 | type, err ? NULL : &flags, ¶ms); |
f9e10ce4 JB |
1733 | if (IS_ERR(dev)) |
1734 | return PTR_ERR(dev); | |
2ec600d6 | 1735 | |
29cbe68c JB |
1736 | if (type == NL80211_IFTYPE_MESH_POINT && |
1737 | info->attrs[NL80211_ATTR_MESH_ID]) { | |
1738 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
1739 | ||
1740 | wdev_lock(wdev); | |
1741 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1742 | IEEE80211_MAX_MESH_ID_LEN); | |
1743 | wdev->mesh_id_up_len = | |
1744 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1745 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1746 | wdev->mesh_id_up_len); | |
1747 | wdev_unlock(wdev); | |
1748 | } | |
1749 | ||
f9e10ce4 | 1750 | return 0; |
55682965 JB |
1751 | } |
1752 | ||
1753 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
1754 | { | |
4c476991 JB |
1755 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1756 | struct net_device *dev = info->user_ptr[1]; | |
55682965 | 1757 | |
4c476991 JB |
1758 | if (!rdev->ops->del_virtual_intf) |
1759 | return -EOPNOTSUPP; | |
55682965 | 1760 | |
4c476991 | 1761 | return rdev->ops->del_virtual_intf(&rdev->wiphy, dev); |
55682965 JB |
1762 | } |
1763 | ||
1d9d9213 SW |
1764 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
1765 | { | |
1766 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
1767 | struct net_device *dev = info->user_ptr[1]; | |
1768 | u16 noack_map; | |
1769 | ||
1770 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
1771 | return -EINVAL; | |
1772 | ||
1773 | if (!rdev->ops->set_noack_map) | |
1774 | return -EOPNOTSUPP; | |
1775 | ||
1776 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
1777 | ||
1778 | return rdev->ops->set_noack_map(&rdev->wiphy, dev, noack_map); | |
1779 | } | |
1780 | ||
41ade00f JB |
1781 | struct get_key_cookie { |
1782 | struct sk_buff *msg; | |
1783 | int error; | |
b9454e83 | 1784 | int idx; |
41ade00f JB |
1785 | }; |
1786 | ||
1787 | static void get_key_callback(void *c, struct key_params *params) | |
1788 | { | |
b9454e83 | 1789 | struct nlattr *key; |
41ade00f JB |
1790 | struct get_key_cookie *cookie = c; |
1791 | ||
1792 | if (params->key) | |
1793 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, | |
1794 | params->key_len, params->key); | |
1795 | ||
1796 | if (params->seq) | |
1797 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
1798 | params->seq_len, params->seq); | |
1799 | ||
1800 | if (params->cipher) | |
1801 | NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
1802 | params->cipher); | |
1803 | ||
b9454e83 JB |
1804 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
1805 | if (!key) | |
1806 | goto nla_put_failure; | |
1807 | ||
1808 | if (params->key) | |
1809 | NLA_PUT(cookie->msg, NL80211_KEY_DATA, | |
1810 | params->key_len, params->key); | |
1811 | ||
1812 | if (params->seq) | |
1813 | NLA_PUT(cookie->msg, NL80211_KEY_SEQ, | |
1814 | params->seq_len, params->seq); | |
1815 | ||
1816 | if (params->cipher) | |
1817 | NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER, | |
1818 | params->cipher); | |
1819 | ||
1820 | NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx); | |
1821 | ||
1822 | nla_nest_end(cookie->msg, key); | |
1823 | ||
41ade00f JB |
1824 | return; |
1825 | nla_put_failure: | |
1826 | cookie->error = 1; | |
1827 | } | |
1828 | ||
1829 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
1830 | { | |
4c476991 | 1831 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 1832 | int err; |
4c476991 | 1833 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1834 | u8 key_idx = 0; |
e31b8213 JB |
1835 | const u8 *mac_addr = NULL; |
1836 | bool pairwise; | |
41ade00f JB |
1837 | struct get_key_cookie cookie = { |
1838 | .error = 0, | |
1839 | }; | |
1840 | void *hdr; | |
1841 | struct sk_buff *msg; | |
1842 | ||
1843 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
1844 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
1845 | ||
3cfcf6ac | 1846 | if (key_idx > 5) |
41ade00f JB |
1847 | return -EINVAL; |
1848 | ||
1849 | if (info->attrs[NL80211_ATTR_MAC]) | |
1850 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1851 | ||
e31b8213 JB |
1852 | pairwise = !!mac_addr; |
1853 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
1854 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
1855 | if (kt >= NUM_NL80211_KEYTYPES) | |
1856 | return -EINVAL; | |
1857 | if (kt != NL80211_KEYTYPE_GROUP && | |
1858 | kt != NL80211_KEYTYPE_PAIRWISE) | |
1859 | return -EINVAL; | |
1860 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
1861 | } | |
1862 | ||
4c476991 JB |
1863 | if (!rdev->ops->get_key) |
1864 | return -EOPNOTSUPP; | |
41ade00f | 1865 | |
fd2120ca | 1866 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
1867 | if (!msg) |
1868 | return -ENOMEM; | |
41ade00f JB |
1869 | |
1870 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
1871 | NL80211_CMD_NEW_KEY); | |
4c476991 JB |
1872 | if (IS_ERR(hdr)) |
1873 | return PTR_ERR(hdr); | |
41ade00f JB |
1874 | |
1875 | cookie.msg = msg; | |
b9454e83 | 1876 | cookie.idx = key_idx; |
41ade00f JB |
1877 | |
1878 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
1879 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
1880 | if (mac_addr) | |
1881 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
1882 | ||
e31b8213 JB |
1883 | if (pairwise && mac_addr && |
1884 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
1885 | return -ENOENT; | |
1886 | ||
1887 | err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise, | |
1888 | mac_addr, &cookie, get_key_callback); | |
41ade00f JB |
1889 | |
1890 | if (err) | |
6c95e2a2 | 1891 | goto free_msg; |
41ade00f JB |
1892 | |
1893 | if (cookie.error) | |
1894 | goto nla_put_failure; | |
1895 | ||
1896 | genlmsg_end(msg, hdr); | |
4c476991 | 1897 | return genlmsg_reply(msg, info); |
41ade00f JB |
1898 | |
1899 | nla_put_failure: | |
1900 | err = -ENOBUFS; | |
6c95e2a2 | 1901 | free_msg: |
41ade00f | 1902 | nlmsg_free(msg); |
41ade00f JB |
1903 | return err; |
1904 | } | |
1905 | ||
1906 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
1907 | { | |
4c476991 | 1908 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 1909 | struct key_parse key; |
41ade00f | 1910 | int err; |
4c476991 | 1911 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1912 | |
b9454e83 JB |
1913 | err = nl80211_parse_key(info, &key); |
1914 | if (err) | |
1915 | return err; | |
41ade00f | 1916 | |
b9454e83 | 1917 | if (key.idx < 0) |
41ade00f JB |
1918 | return -EINVAL; |
1919 | ||
b9454e83 JB |
1920 | /* only support setting default key */ |
1921 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
1922 | return -EINVAL; |
1923 | ||
dbd2fd65 | 1924 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 1925 | |
dbd2fd65 JB |
1926 | if (key.def) { |
1927 | if (!rdev->ops->set_default_key) { | |
1928 | err = -EOPNOTSUPP; | |
1929 | goto out; | |
1930 | } | |
41ade00f | 1931 | |
dbd2fd65 JB |
1932 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
1933 | if (err) | |
1934 | goto out; | |
1935 | ||
dbd2fd65 JB |
1936 | err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx, |
1937 | key.def_uni, key.def_multi); | |
1938 | ||
1939 | if (err) | |
1940 | goto out; | |
fffd0934 | 1941 | |
3d23e349 | 1942 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
1943 | dev->ieee80211_ptr->wext.default_key = key.idx; |
1944 | #endif | |
1945 | } else { | |
1946 | if (key.def_uni || !key.def_multi) { | |
1947 | err = -EINVAL; | |
1948 | goto out; | |
1949 | } | |
1950 | ||
1951 | if (!rdev->ops->set_default_mgmt_key) { | |
1952 | err = -EOPNOTSUPP; | |
1953 | goto out; | |
1954 | } | |
1955 | ||
1956 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
1957 | if (err) | |
1958 | goto out; | |
1959 | ||
1960 | err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, | |
1961 | dev, key.idx); | |
1962 | if (err) | |
1963 | goto out; | |
1964 | ||
1965 | #ifdef CONFIG_CFG80211_WEXT | |
1966 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 1967 | #endif |
dbd2fd65 JB |
1968 | } |
1969 | ||
1970 | out: | |
fffd0934 | 1971 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 1972 | |
41ade00f JB |
1973 | return err; |
1974 | } | |
1975 | ||
1976 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
1977 | { | |
4c476991 | 1978 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 1979 | int err; |
4c476991 | 1980 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 1981 | struct key_parse key; |
e31b8213 | 1982 | const u8 *mac_addr = NULL; |
41ade00f | 1983 | |
b9454e83 JB |
1984 | err = nl80211_parse_key(info, &key); |
1985 | if (err) | |
1986 | return err; | |
41ade00f | 1987 | |
b9454e83 | 1988 | if (!key.p.key) |
41ade00f JB |
1989 | return -EINVAL; |
1990 | ||
41ade00f JB |
1991 | if (info->attrs[NL80211_ATTR_MAC]) |
1992 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1993 | ||
e31b8213 JB |
1994 | if (key.type == -1) { |
1995 | if (mac_addr) | |
1996 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
1997 | else | |
1998 | key.type = NL80211_KEYTYPE_GROUP; | |
1999 | } | |
2000 | ||
2001 | /* for now */ | |
2002 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2003 | key.type != NL80211_KEYTYPE_GROUP) | |
2004 | return -EINVAL; | |
2005 | ||
4c476991 JB |
2006 | if (!rdev->ops->add_key) |
2007 | return -EOPNOTSUPP; | |
25e47c18 | 2008 | |
e31b8213 JB |
2009 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2010 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2011 | mac_addr)) | |
4c476991 | 2012 | return -EINVAL; |
41ade00f | 2013 | |
fffd0934 JB |
2014 | wdev_lock(dev->ieee80211_ptr); |
2015 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2016 | if (!err) | |
2017 | err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx, | |
e31b8213 | 2018 | key.type == NL80211_KEYTYPE_PAIRWISE, |
fffd0934 JB |
2019 | mac_addr, &key.p); |
2020 | wdev_unlock(dev->ieee80211_ptr); | |
41ade00f | 2021 | |
41ade00f JB |
2022 | return err; |
2023 | } | |
2024 | ||
2025 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2026 | { | |
4c476991 | 2027 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2028 | int err; |
4c476991 | 2029 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2030 | u8 *mac_addr = NULL; |
b9454e83 | 2031 | struct key_parse key; |
41ade00f | 2032 | |
b9454e83 JB |
2033 | err = nl80211_parse_key(info, &key); |
2034 | if (err) | |
2035 | return err; | |
41ade00f JB |
2036 | |
2037 | if (info->attrs[NL80211_ATTR_MAC]) | |
2038 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2039 | ||
e31b8213 JB |
2040 | if (key.type == -1) { |
2041 | if (mac_addr) | |
2042 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2043 | else | |
2044 | key.type = NL80211_KEYTYPE_GROUP; | |
2045 | } | |
2046 | ||
2047 | /* for now */ | |
2048 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2049 | key.type != NL80211_KEYTYPE_GROUP) | |
2050 | return -EINVAL; | |
2051 | ||
4c476991 JB |
2052 | if (!rdev->ops->del_key) |
2053 | return -EOPNOTSUPP; | |
41ade00f | 2054 | |
fffd0934 JB |
2055 | wdev_lock(dev->ieee80211_ptr); |
2056 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2057 | |
2058 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2059 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2060 | err = -ENOENT; | |
2061 | ||
fffd0934 | 2062 | if (!err) |
e31b8213 JB |
2063 | err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, |
2064 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2065 | mac_addr); | |
41ade00f | 2066 | |
3d23e349 | 2067 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2068 | if (!err) { |
b9454e83 | 2069 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2070 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2071 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2072 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2073 | } | |
2074 | #endif | |
fffd0934 | 2075 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2076 | |
41ade00f JB |
2077 | return err; |
2078 | } | |
2079 | ||
ed1b6cc7 JB |
2080 | static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) |
2081 | { | |
2082 | int (*call)(struct wiphy *wiphy, struct net_device *dev, | |
2083 | struct beacon_parameters *info); | |
4c476991 JB |
2084 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2085 | struct net_device *dev = info->user_ptr[1]; | |
56d1893d | 2086 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
ed1b6cc7 | 2087 | struct beacon_parameters params; |
56d1893d | 2088 | int haveinfo = 0, err; |
ed1b6cc7 | 2089 | |
9946ecfb JM |
2090 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) || |
2091 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) || | |
2092 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
2093 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
2094 | return -EINVAL; |
2095 | ||
074ac8df | 2096 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2097 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2098 | return -EOPNOTSUPP; | |
eec60b03 | 2099 | |
56d1893d JB |
2100 | memset(¶ms, 0, sizeof(params)); |
2101 | ||
ed1b6cc7 JB |
2102 | switch (info->genlhdr->cmd) { |
2103 | case NL80211_CMD_NEW_BEACON: | |
2104 | /* these are required for NEW_BEACON */ | |
2105 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
2106 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
4c476991 JB |
2107 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) |
2108 | return -EINVAL; | |
ed1b6cc7 | 2109 | |
56d1893d JB |
2110 | params.interval = |
2111 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
2112 | params.dtim_period = | |
2113 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
2114 | ||
2115 | err = cfg80211_validate_beacon_int(rdev, params.interval); | |
2116 | if (err) | |
2117 | return err; | |
2118 | ||
32e9de84 JM |
2119 | /* |
2120 | * In theory, some of these attributes could be required for | |
2121 | * NEW_BEACON, but since they were not used when the command was | |
2122 | * originally added, keep them optional for old user space | |
2123 | * programs to work with drivers that do not need the additional | |
2124 | * information. | |
2125 | */ | |
2126 | if (info->attrs[NL80211_ATTR_SSID]) { | |
2127 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
2128 | params.ssid_len = | |
2129 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
2130 | if (params.ssid_len == 0 || | |
2131 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
2132 | return -EINVAL; | |
2133 | } | |
2134 | ||
2135 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
2136 | params.hidden_ssid = nla_get_u32( | |
2137 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
2138 | if (params.hidden_ssid != | |
2139 | NL80211_HIDDEN_SSID_NOT_IN_USE && | |
2140 | params.hidden_ssid != | |
2141 | NL80211_HIDDEN_SSID_ZERO_LEN && | |
2142 | params.hidden_ssid != | |
2143 | NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
2144 | return -EINVAL; | |
2145 | } | |
2146 | ||
5fb628e9 JM |
2147 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
2148 | ||
2149 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
2150 | params.auth_type = nla_get_u32( | |
2151 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
2152 | if (!nl80211_valid_auth_type(params.auth_type)) | |
2153 | return -EINVAL; | |
2154 | } else | |
2155 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
2156 | ||
2157 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
2158 | NL80211_MAX_NR_CIPHER_SUITES); | |
2159 | if (err) | |
2160 | return err; | |
2161 | ||
79c97e97 | 2162 | call = rdev->ops->add_beacon; |
ed1b6cc7 JB |
2163 | break; |
2164 | case NL80211_CMD_SET_BEACON: | |
79c97e97 | 2165 | call = rdev->ops->set_beacon; |
ed1b6cc7 JB |
2166 | break; |
2167 | default: | |
2168 | WARN_ON(1); | |
4c476991 | 2169 | return -EOPNOTSUPP; |
ed1b6cc7 JB |
2170 | } |
2171 | ||
4c476991 JB |
2172 | if (!call) |
2173 | return -EOPNOTSUPP; | |
ed1b6cc7 | 2174 | |
ed1b6cc7 JB |
2175 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { |
2176 | params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
2177 | params.head_len = | |
2178 | nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
2179 | haveinfo = 1; | |
2180 | } | |
2181 | ||
2182 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { | |
2183 | params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
2184 | params.tail_len = | |
2185 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
2186 | haveinfo = 1; | |
2187 | } | |
2188 | ||
4c476991 JB |
2189 | if (!haveinfo) |
2190 | return -EINVAL; | |
3b85875a | 2191 | |
9946ecfb JM |
2192 | if (info->attrs[NL80211_ATTR_IE]) { |
2193 | params.beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]); | |
2194 | params.beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
2195 | } | |
2196 | ||
2197 | if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) { | |
2198 | params.proberesp_ies = | |
2199 | nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); | |
2200 | params.proberesp_ies_len = | |
2201 | nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); | |
2202 | } | |
2203 | ||
2204 | if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) { | |
2205 | params.assocresp_ies = | |
2206 | nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); | |
2207 | params.assocresp_ies_len = | |
2208 | nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); | |
2209 | } | |
2210 | ||
00f740e1 AN |
2211 | if (info->attrs[NL80211_ATTR_PROBE_RESP]) { |
2212 | params.probe_resp = | |
2213 | nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]); | |
2214 | params.probe_resp_len = | |
2215 | nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]); | |
2216 | } | |
2217 | ||
56d1893d JB |
2218 | err = call(&rdev->wiphy, dev, ¶ms); |
2219 | if (!err && params.interval) | |
2220 | wdev->beacon_interval = params.interval; | |
2221 | return err; | |
ed1b6cc7 JB |
2222 | } |
2223 | ||
2224 | static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) | |
2225 | { | |
4c476991 JB |
2226 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2227 | struct net_device *dev = info->user_ptr[1]; | |
56d1893d JB |
2228 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2229 | int err; | |
ed1b6cc7 | 2230 | |
4c476991 JB |
2231 | if (!rdev->ops->del_beacon) |
2232 | return -EOPNOTSUPP; | |
ed1b6cc7 | 2233 | |
074ac8df | 2234 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2235 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2236 | return -EOPNOTSUPP; | |
3b85875a | 2237 | |
56d1893d JB |
2238 | err = rdev->ops->del_beacon(&rdev->wiphy, dev); |
2239 | if (!err) | |
2240 | wdev->beacon_interval = 0; | |
2241 | return err; | |
ed1b6cc7 JB |
2242 | } |
2243 | ||
5727ef1b JB |
2244 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
2245 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
2246 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
2247 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 2248 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 2249 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
5727ef1b JB |
2250 | }; |
2251 | ||
eccb8e8f JB |
2252 | static int parse_station_flags(struct genl_info *info, |
2253 | struct station_parameters *params) | |
5727ef1b JB |
2254 | { |
2255 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 2256 | struct nlattr *nla; |
5727ef1b JB |
2257 | int flag; |
2258 | ||
eccb8e8f JB |
2259 | /* |
2260 | * Try parsing the new attribute first so userspace | |
2261 | * can specify both for older kernels. | |
2262 | */ | |
2263 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
2264 | if (nla) { | |
2265 | struct nl80211_sta_flag_update *sta_flags; | |
2266 | ||
2267 | sta_flags = nla_data(nla); | |
2268 | params->sta_flags_mask = sta_flags->mask; | |
2269 | params->sta_flags_set = sta_flags->set; | |
2270 | if ((params->sta_flags_mask | | |
2271 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
2272 | return -EINVAL; | |
2273 | return 0; | |
2274 | } | |
2275 | ||
2276 | /* if present, parse the old attribute */ | |
5727ef1b | 2277 | |
eccb8e8f | 2278 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
2279 | if (!nla) |
2280 | return 0; | |
2281 | ||
2282 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
2283 | nla, sta_flags_policy)) | |
2284 | return -EINVAL; | |
2285 | ||
eccb8e8f JB |
2286 | params->sta_flags_mask = (1 << __NL80211_STA_FLAG_AFTER_LAST) - 1; |
2287 | params->sta_flags_mask &= ~1; | |
5727ef1b JB |
2288 | |
2289 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) | |
2290 | if (flags[flag]) | |
eccb8e8f | 2291 | params->sta_flags_set |= (1<<flag); |
5727ef1b JB |
2292 | |
2293 | return 0; | |
2294 | } | |
2295 | ||
c8dcfd8a FF |
2296 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
2297 | int attr) | |
2298 | { | |
2299 | struct nlattr *rate; | |
2300 | u16 bitrate; | |
2301 | ||
2302 | rate = nla_nest_start(msg, attr); | |
2303 | if (!rate) | |
2304 | goto nla_put_failure; | |
2305 | ||
2306 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
2307 | bitrate = cfg80211_calculate_bitrate(info); | |
2308 | if (bitrate > 0) | |
2309 | NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate); | |
2310 | ||
2311 | if (info->flags & RATE_INFO_FLAGS_MCS) | |
2312 | NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs); | |
2313 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) | |
2314 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH); | |
2315 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI) | |
2316 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI); | |
2317 | ||
2318 | nla_nest_end(msg, rate); | |
2319 | return true; | |
2320 | ||
2321 | nla_put_failure: | |
2322 | return false; | |
2323 | } | |
2324 | ||
fd5b74dc JB |
2325 | static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, |
2326 | int flags, struct net_device *dev, | |
98b62183 | 2327 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
2328 | { |
2329 | void *hdr; | |
f4263c98 | 2330 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc JB |
2331 | |
2332 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2333 | if (!hdr) | |
2334 | return -1; | |
2335 | ||
2336 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2337 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
2338 | ||
f5ea9120 JB |
2339 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation); |
2340 | ||
2ec600d6 LCC |
2341 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
2342 | if (!sinfoattr) | |
fd5b74dc | 2343 | goto nla_put_failure; |
ebe27c91 MSS |
2344 | if (sinfo->filled & STATION_INFO_CONNECTED_TIME) |
2345 | NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
2346 | sinfo->connected_time); | |
2ec600d6 LCC |
2347 | if (sinfo->filled & STATION_INFO_INACTIVE_TIME) |
2348 | NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
2349 | sinfo->inactive_time); | |
2350 | if (sinfo->filled & STATION_INFO_RX_BYTES) | |
2351 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, | |
2352 | sinfo->rx_bytes); | |
2353 | if (sinfo->filled & STATION_INFO_TX_BYTES) | |
2354 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, | |
2355 | sinfo->tx_bytes); | |
2356 | if (sinfo->filled & STATION_INFO_LLID) | |
2357 | NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, | |
2358 | sinfo->llid); | |
2359 | if (sinfo->filled & STATION_INFO_PLID) | |
2360 | NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, | |
2361 | sinfo->plid); | |
2362 | if (sinfo->filled & STATION_INFO_PLINK_STATE) | |
2363 | NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, | |
2364 | sinfo->plink_state); | |
420e7fab HR |
2365 | if (sinfo->filled & STATION_INFO_SIGNAL) |
2366 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, | |
2367 | sinfo->signal); | |
541a45a1 BR |
2368 | if (sinfo->filled & STATION_INFO_SIGNAL_AVG) |
2369 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
2370 | sinfo->signal_avg); | |
420e7fab | 2371 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
2372 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
2373 | NL80211_STA_INFO_TX_BITRATE)) | |
2374 | goto nla_put_failure; | |
2375 | } | |
2376 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
2377 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
2378 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 2379 | goto nla_put_failure; |
420e7fab | 2380 | } |
98c8a60a JM |
2381 | if (sinfo->filled & STATION_INFO_RX_PACKETS) |
2382 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS, | |
2383 | sinfo->rx_packets); | |
2384 | if (sinfo->filled & STATION_INFO_TX_PACKETS) | |
2385 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS, | |
2386 | sinfo->tx_packets); | |
b206b4ef BR |
2387 | if (sinfo->filled & STATION_INFO_TX_RETRIES) |
2388 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES, | |
2389 | sinfo->tx_retries); | |
2390 | if (sinfo->filled & STATION_INFO_TX_FAILED) | |
2391 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED, | |
2392 | sinfo->tx_failed); | |
f4263c98 PS |
2393 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
2394 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
2395 | if (!bss_param) | |
2396 | goto nla_put_failure; | |
2397 | ||
2398 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) | |
2399 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT); | |
2400 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) | |
2401 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE); | |
2402 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) | |
2403 | NLA_PUT_FLAG(msg, | |
2404 | NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME); | |
2405 | NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
2406 | sinfo->bss_param.dtim_period); | |
2407 | NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
2408 | sinfo->bss_param.beacon_interval); | |
2409 | ||
2410 | nla_nest_end(msg, bss_param); | |
2411 | } | |
bb6e753e HS |
2412 | if (sinfo->filled & STATION_INFO_STA_FLAGS) |
2413 | NLA_PUT(msg, NL80211_STA_INFO_STA_FLAGS, | |
2414 | sizeof(struct nl80211_sta_flag_update), | |
2415 | &sinfo->sta_flags); | |
2ec600d6 | 2416 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 2417 | |
040bdf71 | 2418 | if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES) |
50d3dfb7 JM |
2419 | NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
2420 | sinfo->assoc_req_ies); | |
2421 | ||
fd5b74dc JB |
2422 | return genlmsg_end(msg, hdr); |
2423 | ||
2424 | nla_put_failure: | |
bc3ed28c TG |
2425 | genlmsg_cancel(msg, hdr); |
2426 | return -EMSGSIZE; | |
fd5b74dc JB |
2427 | } |
2428 | ||
2ec600d6 | 2429 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 2430 | struct netlink_callback *cb) |
2ec600d6 | 2431 | { |
2ec600d6 LCC |
2432 | struct station_info sinfo; |
2433 | struct cfg80211_registered_device *dev; | |
bba95fef | 2434 | struct net_device *netdev; |
2ec600d6 | 2435 | u8 mac_addr[ETH_ALEN]; |
bba95fef | 2436 | int sta_idx = cb->args[1]; |
2ec600d6 | 2437 | int err; |
2ec600d6 | 2438 | |
67748893 JB |
2439 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2440 | if (err) | |
2441 | return err; | |
bba95fef JB |
2442 | |
2443 | if (!dev->ops->dump_station) { | |
eec60b03 | 2444 | err = -EOPNOTSUPP; |
bba95fef JB |
2445 | goto out_err; |
2446 | } | |
2447 | ||
bba95fef | 2448 | while (1) { |
f612cedf | 2449 | memset(&sinfo, 0, sizeof(sinfo)); |
bba95fef JB |
2450 | err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, |
2451 | mac_addr, &sinfo); | |
2452 | if (err == -ENOENT) | |
2453 | break; | |
2454 | if (err) | |
3b85875a | 2455 | goto out_err; |
bba95fef JB |
2456 | |
2457 | if (nl80211_send_station(skb, | |
2458 | NETLINK_CB(cb->skb).pid, | |
2459 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2460 | netdev, mac_addr, | |
2461 | &sinfo) < 0) | |
2462 | goto out; | |
2463 | ||
2464 | sta_idx++; | |
2465 | } | |
2466 | ||
2467 | ||
2468 | out: | |
2469 | cb->args[1] = sta_idx; | |
2470 | err = skb->len; | |
bba95fef | 2471 | out_err: |
67748893 | 2472 | nl80211_finish_netdev_dump(dev); |
bba95fef JB |
2473 | |
2474 | return err; | |
2ec600d6 | 2475 | } |
fd5b74dc | 2476 | |
5727ef1b JB |
2477 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
2478 | { | |
4c476991 JB |
2479 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2480 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 2481 | struct station_info sinfo; |
fd5b74dc JB |
2482 | struct sk_buff *msg; |
2483 | u8 *mac_addr = NULL; | |
4c476991 | 2484 | int err; |
fd5b74dc | 2485 | |
2ec600d6 | 2486 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
2487 | |
2488 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2489 | return -EINVAL; | |
2490 | ||
2491 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2492 | ||
4c476991 JB |
2493 | if (!rdev->ops->get_station) |
2494 | return -EOPNOTSUPP; | |
3b85875a | 2495 | |
4c476991 | 2496 | err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo); |
fd5b74dc | 2497 | if (err) |
4c476991 | 2498 | return err; |
2ec600d6 | 2499 | |
fd2120ca | 2500 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 2501 | if (!msg) |
4c476991 | 2502 | return -ENOMEM; |
fd5b74dc JB |
2503 | |
2504 | if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
2505 | dev, mac_addr, &sinfo) < 0) { |
2506 | nlmsg_free(msg); | |
2507 | return -ENOBUFS; | |
2508 | } | |
3b85875a | 2509 | |
4c476991 | 2510 | return genlmsg_reply(msg, info); |
5727ef1b JB |
2511 | } |
2512 | ||
2513 | /* | |
c258d2de | 2514 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 2515 | */ |
80b99899 JB |
2516 | static struct net_device *get_vlan(struct genl_info *info, |
2517 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 2518 | { |
463d0183 | 2519 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
2520 | struct net_device *v; |
2521 | int ret; | |
2522 | ||
2523 | if (!vlanattr) | |
2524 | return NULL; | |
2525 | ||
2526 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
2527 | if (!v) | |
2528 | return ERR_PTR(-ENODEV); | |
2529 | ||
2530 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
2531 | ret = -EINVAL; | |
2532 | goto error; | |
5727ef1b | 2533 | } |
80b99899 JB |
2534 | |
2535 | if (!netif_running(v)) { | |
2536 | ret = -ENETDOWN; | |
2537 | goto error; | |
2538 | } | |
2539 | ||
2540 | return v; | |
2541 | error: | |
2542 | dev_put(v); | |
2543 | return ERR_PTR(ret); | |
5727ef1b JB |
2544 | } |
2545 | ||
2546 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) | |
2547 | { | |
4c476991 | 2548 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2549 | int err; |
4c476991 | 2550 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2551 | struct station_parameters params; |
2552 | u8 *mac_addr = NULL; | |
2553 | ||
2554 | memset(¶ms, 0, sizeof(params)); | |
2555 | ||
2556 | params.listen_interval = -1; | |
57cf8043 | 2557 | params.plink_state = -1; |
5727ef1b JB |
2558 | |
2559 | if (info->attrs[NL80211_ATTR_STA_AID]) | |
2560 | return -EINVAL; | |
2561 | ||
2562 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2563 | return -EINVAL; | |
2564 | ||
2565 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2566 | ||
2567 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
2568 | params.supported_rates = | |
2569 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2570 | params.supported_rates_len = | |
2571 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2572 | } | |
2573 | ||
2574 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
2575 | params.listen_interval = | |
2576 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
2577 | ||
36aedc90 JM |
2578 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2579 | params.ht_capa = | |
2580 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
2581 | ||
eccb8e8f | 2582 | if (parse_station_flags(info, ¶ms)) |
5727ef1b JB |
2583 | return -EINVAL; |
2584 | ||
2ec600d6 LCC |
2585 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2586 | params.plink_action = | |
2587 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2588 | ||
9c3990aa JC |
2589 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) |
2590 | params.plink_state = | |
2591 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); | |
2592 | ||
80b99899 JB |
2593 | params.vlan = get_vlan(info, rdev); |
2594 | if (IS_ERR(params.vlan)) | |
2595 | return PTR_ERR(params.vlan); | |
a97f4424 JB |
2596 | |
2597 | /* validate settings */ | |
2598 | err = 0; | |
2599 | ||
2600 | switch (dev->ieee80211_ptr->iftype) { | |
2601 | case NL80211_IFTYPE_AP: | |
2602 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 2603 | case NL80211_IFTYPE_P2P_GO: |
a97f4424 JB |
2604 | /* disallow mesh-specific things */ |
2605 | if (params.plink_action) | |
2606 | err = -EINVAL; | |
2607 | break; | |
074ac8df | 2608 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 2609 | case NL80211_IFTYPE_STATION: |
07ba55d7 | 2610 | /* disallow things sta doesn't support */ |
a97f4424 JB |
2611 | if (params.plink_action) |
2612 | err = -EINVAL; | |
2613 | if (params.vlan) | |
2614 | err = -EINVAL; | |
07ba55d7 AN |
2615 | if (params.supported_rates && |
2616 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
a97f4424 JB |
2617 | err = -EINVAL; |
2618 | if (params.ht_capa) | |
2619 | err = -EINVAL; | |
2620 | if (params.listen_interval >= 0) | |
2621 | err = -EINVAL; | |
07ba55d7 AN |
2622 | if (params.sta_flags_mask & |
2623 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
2624 | BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
2625 | err = -EINVAL; | |
2626 | /* can't change the TDLS bit */ | |
2627 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && | |
2628 | (params.sta_flags_mask & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
a97f4424 JB |
2629 | err = -EINVAL; |
2630 | break; | |
2631 | case NL80211_IFTYPE_MESH_POINT: | |
2632 | /* disallow things mesh doesn't support */ | |
2633 | if (params.vlan) | |
2634 | err = -EINVAL; | |
2635 | if (params.ht_capa) | |
2636 | err = -EINVAL; | |
2637 | if (params.listen_interval >= 0) | |
2638 | err = -EINVAL; | |
b39c48fa JC |
2639 | if (params.sta_flags_mask & |
2640 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
8429828e | 2641 | BIT(NL80211_STA_FLAG_MFP) | |
b39c48fa | 2642 | BIT(NL80211_STA_FLAG_AUTHORIZED))) |
a97f4424 JB |
2643 | err = -EINVAL; |
2644 | break; | |
2645 | default: | |
2646 | err = -EINVAL; | |
034d655e JB |
2647 | } |
2648 | ||
5727ef1b JB |
2649 | if (err) |
2650 | goto out; | |
2651 | ||
79c97e97 | 2652 | if (!rdev->ops->change_station) { |
5727ef1b JB |
2653 | err = -EOPNOTSUPP; |
2654 | goto out; | |
2655 | } | |
2656 | ||
79c97e97 | 2657 | err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b JB |
2658 | |
2659 | out: | |
2660 | if (params.vlan) | |
2661 | dev_put(params.vlan); | |
3b85875a | 2662 | |
5727ef1b JB |
2663 | return err; |
2664 | } | |
2665 | ||
c75786c9 EP |
2666 | static struct nla_policy |
2667 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
2668 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
2669 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
2670 | }; | |
2671 | ||
5727ef1b JB |
2672 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) |
2673 | { | |
4c476991 | 2674 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2675 | int err; |
4c476991 | 2676 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2677 | struct station_parameters params; |
2678 | u8 *mac_addr = NULL; | |
2679 | ||
2680 | memset(¶ms, 0, sizeof(params)); | |
2681 | ||
2682 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2683 | return -EINVAL; | |
2684 | ||
5727ef1b JB |
2685 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
2686 | return -EINVAL; | |
2687 | ||
2688 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
2689 | return -EINVAL; | |
2690 | ||
0e956c13 TLSC |
2691 | if (!info->attrs[NL80211_ATTR_STA_AID]) |
2692 | return -EINVAL; | |
2693 | ||
5727ef1b JB |
2694 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
2695 | params.supported_rates = | |
2696 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2697 | params.supported_rates_len = | |
2698 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2699 | params.listen_interval = | |
2700 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 2701 | |
0e956c13 TLSC |
2702 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
2703 | if (!params.aid || params.aid > IEEE80211_MAX_AID) | |
2704 | return -EINVAL; | |
51b50fbe | 2705 | |
36aedc90 JM |
2706 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2707 | params.ht_capa = | |
2708 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 2709 | |
96b78dff JC |
2710 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2711 | params.plink_action = | |
2712 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2713 | ||
eccb8e8f | 2714 | if (parse_station_flags(info, ¶ms)) |
5727ef1b JB |
2715 | return -EINVAL; |
2716 | ||
c75786c9 | 2717 | /* parse WME attributes if sta is WME capable */ |
cedb5412 | 2718 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
cd32984f | 2719 | (params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)) && |
c75786c9 EP |
2720 | info->attrs[NL80211_ATTR_STA_WME]) { |
2721 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; | |
2722 | struct nlattr *nla; | |
2723 | ||
2724 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
2725 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
2726 | nl80211_sta_wme_policy); | |
2727 | if (err) | |
2728 | return err; | |
2729 | ||
2730 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
2731 | params.uapsd_queues = | |
2732 | nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4319e193 JB |
2733 | if (params.uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) |
2734 | return -EINVAL; | |
c75786c9 EP |
2735 | |
2736 | if (tb[NL80211_STA_WME_MAX_SP]) | |
2737 | params.max_sp = | |
2738 | nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4319e193 JB |
2739 | |
2740 | if (params.max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
2741 | return -EINVAL; | |
3b9ce80c JB |
2742 | |
2743 | params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
c75786c9 EP |
2744 | } |
2745 | ||
0e956c13 | 2746 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
074ac8df | 2747 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
96b78dff | 2748 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
07ba55d7 AN |
2749 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO && |
2750 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) | |
2751 | return -EINVAL; | |
2752 | ||
2753 | /* | |
2754 | * Only managed stations can add TDLS peers, and only when the | |
2755 | * wiphy supports external TDLS setup. | |
2756 | */ | |
2757 | if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION && | |
2758 | !((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && | |
2759 | (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && | |
2760 | (rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))) | |
4c476991 | 2761 | return -EINVAL; |
0e956c13 | 2762 | |
80b99899 JB |
2763 | params.vlan = get_vlan(info, rdev); |
2764 | if (IS_ERR(params.vlan)) | |
2765 | return PTR_ERR(params.vlan); | |
a97f4424 JB |
2766 | |
2767 | /* validate settings */ | |
2768 | err = 0; | |
2769 | ||
79c97e97 | 2770 | if (!rdev->ops->add_station) { |
5727ef1b JB |
2771 | err = -EOPNOTSUPP; |
2772 | goto out; | |
2773 | } | |
2774 | ||
79c97e97 | 2775 | err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b JB |
2776 | |
2777 | out: | |
2778 | if (params.vlan) | |
2779 | dev_put(params.vlan); | |
5727ef1b JB |
2780 | return err; |
2781 | } | |
2782 | ||
2783 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
2784 | { | |
4c476991 JB |
2785 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2786 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
2787 | u8 *mac_addr = NULL; |
2788 | ||
2789 | if (info->attrs[NL80211_ATTR_MAC]) | |
2790 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2791 | ||
e80cf853 | 2792 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 2793 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 2794 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
2795 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2796 | return -EINVAL; | |
5727ef1b | 2797 | |
4c476991 JB |
2798 | if (!rdev->ops->del_station) |
2799 | return -EOPNOTSUPP; | |
3b85875a | 2800 | |
4c476991 | 2801 | return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); |
5727ef1b JB |
2802 | } |
2803 | ||
2ec600d6 LCC |
2804 | static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, |
2805 | int flags, struct net_device *dev, | |
2806 | u8 *dst, u8 *next_hop, | |
2807 | struct mpath_info *pinfo) | |
2808 | { | |
2809 | void *hdr; | |
2810 | struct nlattr *pinfoattr; | |
2811 | ||
2812 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2813 | if (!hdr) | |
2814 | return -1; | |
2815 | ||
2816 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2817 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
2818 | NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); | |
2819 | ||
f5ea9120 JB |
2820 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation); |
2821 | ||
2ec600d6 LCC |
2822 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
2823 | if (!pinfoattr) | |
2824 | goto nla_put_failure; | |
2825 | if (pinfo->filled & MPATH_INFO_FRAME_QLEN) | |
2826 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
2827 | pinfo->frame_qlen); | |
d19b3bf6 RP |
2828 | if (pinfo->filled & MPATH_INFO_SN) |
2829 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN, | |
2830 | pinfo->sn); | |
2ec600d6 LCC |
2831 | if (pinfo->filled & MPATH_INFO_METRIC) |
2832 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, | |
2833 | pinfo->metric); | |
2834 | if (pinfo->filled & MPATH_INFO_EXPTIME) | |
2835 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, | |
2836 | pinfo->exptime); | |
2837 | if (pinfo->filled & MPATH_INFO_FLAGS) | |
2838 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, | |
2839 | pinfo->flags); | |
2840 | if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) | |
2841 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
2842 | pinfo->discovery_timeout); | |
2843 | if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) | |
2844 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
2845 | pinfo->discovery_retries); | |
2846 | ||
2847 | nla_nest_end(msg, pinfoattr); | |
2848 | ||
2849 | return genlmsg_end(msg, hdr); | |
2850 | ||
2851 | nla_put_failure: | |
bc3ed28c TG |
2852 | genlmsg_cancel(msg, hdr); |
2853 | return -EMSGSIZE; | |
2ec600d6 LCC |
2854 | } |
2855 | ||
2856 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 2857 | struct netlink_callback *cb) |
2ec600d6 | 2858 | { |
2ec600d6 LCC |
2859 | struct mpath_info pinfo; |
2860 | struct cfg80211_registered_device *dev; | |
bba95fef | 2861 | struct net_device *netdev; |
2ec600d6 LCC |
2862 | u8 dst[ETH_ALEN]; |
2863 | u8 next_hop[ETH_ALEN]; | |
bba95fef | 2864 | int path_idx = cb->args[1]; |
2ec600d6 | 2865 | int err; |
2ec600d6 | 2866 | |
67748893 JB |
2867 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2868 | if (err) | |
2869 | return err; | |
bba95fef JB |
2870 | |
2871 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 2872 | err = -EOPNOTSUPP; |
bba95fef JB |
2873 | goto out_err; |
2874 | } | |
2875 | ||
eec60b03 JM |
2876 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { |
2877 | err = -EOPNOTSUPP; | |
0448b5fc | 2878 | goto out_err; |
eec60b03 JM |
2879 | } |
2880 | ||
bba95fef JB |
2881 | while (1) { |
2882 | err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, | |
2883 | dst, next_hop, &pinfo); | |
2884 | if (err == -ENOENT) | |
2ec600d6 | 2885 | break; |
bba95fef | 2886 | if (err) |
3b85875a | 2887 | goto out_err; |
2ec600d6 | 2888 | |
bba95fef JB |
2889 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, |
2890 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2891 | netdev, dst, next_hop, | |
2892 | &pinfo) < 0) | |
2893 | goto out; | |
2ec600d6 | 2894 | |
bba95fef | 2895 | path_idx++; |
2ec600d6 | 2896 | } |
2ec600d6 | 2897 | |
2ec600d6 | 2898 | |
bba95fef JB |
2899 | out: |
2900 | cb->args[1] = path_idx; | |
2901 | err = skb->len; | |
bba95fef | 2902 | out_err: |
67748893 | 2903 | nl80211_finish_netdev_dump(dev); |
bba95fef | 2904 | return err; |
2ec600d6 LCC |
2905 | } |
2906 | ||
2907 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
2908 | { | |
4c476991 | 2909 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2910 | int err; |
4c476991 | 2911 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
2912 | struct mpath_info pinfo; |
2913 | struct sk_buff *msg; | |
2914 | u8 *dst = NULL; | |
2915 | u8 next_hop[ETH_ALEN]; | |
2916 | ||
2917 | memset(&pinfo, 0, sizeof(pinfo)); | |
2918 | ||
2919 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2920 | return -EINVAL; | |
2921 | ||
2922 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2923 | ||
4c476991 JB |
2924 | if (!rdev->ops->get_mpath) |
2925 | return -EOPNOTSUPP; | |
2ec600d6 | 2926 | |
4c476991 JB |
2927 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2928 | return -EOPNOTSUPP; | |
eec60b03 | 2929 | |
79c97e97 | 2930 | err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo); |
2ec600d6 | 2931 | if (err) |
4c476991 | 2932 | return err; |
2ec600d6 | 2933 | |
fd2120ca | 2934 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 2935 | if (!msg) |
4c476991 | 2936 | return -ENOMEM; |
2ec600d6 LCC |
2937 | |
2938 | if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
2939 | dev, dst, next_hop, &pinfo) < 0) { |
2940 | nlmsg_free(msg); | |
2941 | return -ENOBUFS; | |
2942 | } | |
3b85875a | 2943 | |
4c476991 | 2944 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
2945 | } |
2946 | ||
2947 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
2948 | { | |
4c476991 JB |
2949 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2950 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2951 | u8 *dst = NULL; |
2952 | u8 *next_hop = NULL; | |
2953 | ||
2954 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2955 | return -EINVAL; | |
2956 | ||
2957 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
2958 | return -EINVAL; | |
2959 | ||
2960 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2961 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
2962 | ||
4c476991 JB |
2963 | if (!rdev->ops->change_mpath) |
2964 | return -EOPNOTSUPP; | |
35a8efe1 | 2965 | |
4c476991 JB |
2966 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2967 | return -EOPNOTSUPP; | |
2ec600d6 | 2968 | |
4c476991 | 2969 | return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 | 2970 | } |
4c476991 | 2971 | |
2ec600d6 LCC |
2972 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
2973 | { | |
4c476991 JB |
2974 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2975 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
2976 | u8 *dst = NULL; |
2977 | u8 *next_hop = NULL; | |
2978 | ||
2979 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2980 | return -EINVAL; | |
2981 | ||
2982 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
2983 | return -EINVAL; | |
2984 | ||
2985 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2986 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
2987 | ||
4c476991 JB |
2988 | if (!rdev->ops->add_mpath) |
2989 | return -EOPNOTSUPP; | |
35a8efe1 | 2990 | |
4c476991 JB |
2991 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
2992 | return -EOPNOTSUPP; | |
2ec600d6 | 2993 | |
4c476991 | 2994 | return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 LCC |
2995 | } |
2996 | ||
2997 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
2998 | { | |
4c476991 JB |
2999 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3000 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
3001 | u8 *dst = NULL; |
3002 | ||
3003 | if (info->attrs[NL80211_ATTR_MAC]) | |
3004 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3005 | ||
4c476991 JB |
3006 | if (!rdev->ops->del_mpath) |
3007 | return -EOPNOTSUPP; | |
3b85875a | 3008 | |
4c476991 | 3009 | return rdev->ops->del_mpath(&rdev->wiphy, dev, dst); |
2ec600d6 LCC |
3010 | } |
3011 | ||
9f1ba906 JM |
3012 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
3013 | { | |
4c476991 JB |
3014 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3015 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
3016 | struct bss_parameters params; |
3017 | ||
3018 | memset(¶ms, 0, sizeof(params)); | |
3019 | /* default to not changing parameters */ | |
3020 | params.use_cts_prot = -1; | |
3021 | params.use_short_preamble = -1; | |
3022 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 3023 | params.ap_isolate = -1; |
50b12f59 | 3024 | params.ht_opmode = -1; |
9f1ba906 JM |
3025 | |
3026 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
3027 | params.use_cts_prot = | |
3028 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
3029 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
3030 | params.use_short_preamble = | |
3031 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
3032 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
3033 | params.use_short_slot_time = | |
3034 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
3035 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
3036 | params.basic_rates = | |
3037 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
3038 | params.basic_rates_len = | |
3039 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
3040 | } | |
fd8aaaf3 FF |
3041 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
3042 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
3043 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
3044 | params.ht_opmode = | |
3045 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 3046 | |
4c476991 JB |
3047 | if (!rdev->ops->change_bss) |
3048 | return -EOPNOTSUPP; | |
9f1ba906 | 3049 | |
074ac8df | 3050 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
3051 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
3052 | return -EOPNOTSUPP; | |
3b85875a | 3053 | |
4c476991 | 3054 | return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms); |
9f1ba906 JM |
3055 | } |
3056 | ||
b54452b0 | 3057 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
3058 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
3059 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
3060 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
3061 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
3062 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
3063 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
3064 | }; | |
3065 | ||
3066 | static int parse_reg_rule(struct nlattr *tb[], | |
3067 | struct ieee80211_reg_rule *reg_rule) | |
3068 | { | |
3069 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
3070 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
3071 | ||
3072 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
3073 | return -EINVAL; | |
3074 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
3075 | return -EINVAL; | |
3076 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
3077 | return -EINVAL; | |
3078 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
3079 | return -EINVAL; | |
3080 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
3081 | return -EINVAL; | |
3082 | ||
3083 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
3084 | ||
3085 | freq_range->start_freq_khz = | |
3086 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
3087 | freq_range->end_freq_khz = | |
3088 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
3089 | freq_range->max_bandwidth_khz = | |
3090 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
3091 | ||
3092 | power_rule->max_eirp = | |
3093 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
3094 | ||
3095 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
3096 | power_rule->max_antenna_gain = | |
3097 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
3098 | ||
3099 | return 0; | |
3100 | } | |
3101 | ||
3102 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
3103 | { | |
3104 | int r; | |
3105 | char *data = NULL; | |
3106 | ||
80778f18 LR |
3107 | /* |
3108 | * You should only get this when cfg80211 hasn't yet initialized | |
3109 | * completely when built-in to the kernel right between the time | |
3110 | * window between nl80211_init() and regulatory_init(), if that is | |
3111 | * even possible. | |
3112 | */ | |
3113 | mutex_lock(&cfg80211_mutex); | |
3114 | if (unlikely(!cfg80211_regdomain)) { | |
fe33eb39 LR |
3115 | mutex_unlock(&cfg80211_mutex); |
3116 | return -EINPROGRESS; | |
80778f18 | 3117 | } |
fe33eb39 | 3118 | mutex_unlock(&cfg80211_mutex); |
80778f18 | 3119 | |
fe33eb39 LR |
3120 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
3121 | return -EINVAL; | |
b2e1b302 LR |
3122 | |
3123 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
3124 | ||
fe33eb39 LR |
3125 | r = regulatory_hint_user(data); |
3126 | ||
b2e1b302 LR |
3127 | return r; |
3128 | } | |
3129 | ||
24bdd9f4 | 3130 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 3131 | struct genl_info *info) |
93da9cc1 | 3132 | { |
4c476991 | 3133 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 3134 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
3135 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
3136 | struct mesh_config cur_params; | |
3137 | int err = 0; | |
93da9cc1 | 3138 | void *hdr; |
3139 | struct nlattr *pinfoattr; | |
3140 | struct sk_buff *msg; | |
3141 | ||
29cbe68c JB |
3142 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3143 | return -EOPNOTSUPP; | |
3144 | ||
24bdd9f4 | 3145 | if (!rdev->ops->get_mesh_config) |
4c476991 | 3146 | return -EOPNOTSUPP; |
f3f92586 | 3147 | |
29cbe68c JB |
3148 | wdev_lock(wdev); |
3149 | /* If not connected, get default parameters */ | |
3150 | if (!wdev->mesh_id_len) | |
3151 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
3152 | else | |
24bdd9f4 | 3153 | err = rdev->ops->get_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
3154 | &cur_params); |
3155 | wdev_unlock(wdev); | |
3156 | ||
93da9cc1 | 3157 | if (err) |
4c476991 | 3158 | return err; |
93da9cc1 | 3159 | |
3160 | /* Draw up a netlink message to send back */ | |
fd2120ca | 3161 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3162 | if (!msg) |
3163 | return -ENOMEM; | |
93da9cc1 | 3164 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
24bdd9f4 | 3165 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 3166 | if (!hdr) |
efe1cf0c | 3167 | goto out; |
24bdd9f4 | 3168 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 3169 | if (!pinfoattr) |
3170 | goto nla_put_failure; | |
3171 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
3172 | NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
3173 | cur_params.dot11MeshRetryTimeout); | |
3174 | NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
3175 | cur_params.dot11MeshConfirmTimeout); | |
3176 | NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
3177 | cur_params.dot11MeshHoldingTimeout); | |
3178 | NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
3179 | cur_params.dot11MeshMaxPeerLinks); | |
3180 | NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
3181 | cur_params.dot11MeshMaxRetries); | |
3182 | NLA_PUT_U8(msg, NL80211_MESHCONF_TTL, | |
3183 | cur_params.dot11MeshTTL); | |
45904f21 JC |
3184 | NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL, |
3185 | cur_params.element_ttl); | |
93da9cc1 | 3186 | NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
3187 | cur_params.auto_open_plinks); | |
3188 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
3189 | cur_params.dot11MeshHWMPmaxPREQretries); | |
3190 | NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
3191 | cur_params.path_refresh_time); | |
3192 | NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
3193 | cur_params.min_discovery_timeout); | |
3194 | NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
3195 | cur_params.dot11MeshHWMPactivePathTimeout); | |
3196 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
3197 | cur_params.dot11MeshHWMPpreqMinInterval); | |
dca7e943 TP |
3198 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, |
3199 | cur_params.dot11MeshHWMPperrMinInterval); | |
93da9cc1 | 3200 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
3201 | cur_params.dot11MeshHWMPnetDiameterTraversalTime); | |
63c5723b RP |
3202 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, |
3203 | cur_params.dot11MeshHWMPRootMode); | |
0507e159 JC |
3204 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, |
3205 | cur_params.dot11MeshHWMPRannInterval); | |
16dd7267 JC |
3206 | NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, |
3207 | cur_params.dot11MeshGateAnnouncementProtocol); | |
93da9cc1 | 3208 | nla_nest_end(msg, pinfoattr); |
3209 | genlmsg_end(msg, hdr); | |
4c476991 | 3210 | return genlmsg_reply(msg, info); |
93da9cc1 | 3211 | |
3b85875a | 3212 | nla_put_failure: |
93da9cc1 | 3213 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 3214 | out: |
d080e275 | 3215 | nlmsg_free(msg); |
4c476991 | 3216 | return -ENOBUFS; |
93da9cc1 | 3217 | } |
3218 | ||
b54452b0 | 3219 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 3220 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
3221 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
3222 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
3223 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
3224 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
3225 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 3226 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 3227 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
3228 | ||
3229 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, | |
3230 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
3231 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
3232 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
3233 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 3234 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 3235 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 3236 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 3237 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 3238 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
93da9cc1 | 3239 | }; |
3240 | ||
c80d545d JC |
3241 | static const struct nla_policy |
3242 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
3243 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, | |
3244 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 3245 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
581a8b0f | 3246 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
c80d545d | 3247 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 3248 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
3249 | }; |
3250 | ||
24bdd9f4 | 3251 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
3252 | struct mesh_config *cfg, |
3253 | u32 *mask_out) | |
93da9cc1 | 3254 | { |
93da9cc1 | 3255 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 3256 | u32 mask = 0; |
93da9cc1 | 3257 | |
bd90fdcc JB |
3258 | #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ |
3259 | do {\ | |
3260 | if (table[attr_num]) {\ | |
3261 | cfg->param = nla_fn(table[attr_num]); \ | |
3262 | mask |= (1 << (attr_num - 1)); \ | |
3263 | } \ | |
3264 | } while (0);\ | |
3265 | ||
3266 | ||
24bdd9f4 | 3267 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 3268 | return -EINVAL; |
3269 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 3270 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 3271 | nl80211_meshconf_params_policy)) |
93da9cc1 | 3272 | return -EINVAL; |
3273 | ||
93da9cc1 | 3274 | /* This makes sure that there aren't more than 32 mesh config |
3275 | * parameters (otherwise our bitfield scheme would not work.) */ | |
3276 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
3277 | ||
3278 | /* Fill in the params struct */ | |
93da9cc1 | 3279 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, |
3280 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); | |
3281 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, | |
3282 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16); | |
3283 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, | |
3284 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16); | |
3285 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, | |
3286 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16); | |
3287 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, | |
3288 | mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); | |
3289 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, | |
3290 | mask, NL80211_MESHCONF_TTL, nla_get_u8); | |
45904f21 JC |
3291 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, |
3292 | mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); | |
93da9cc1 | 3293 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, |
3294 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); | |
3295 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, | |
3296 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
3297 | nla_get_u8); | |
3298 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, | |
3299 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32); | |
3300 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, | |
3301 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
3302 | nla_get_u16); | |
3303 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, | |
3304 | mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
3305 | nla_get_u32); | |
3306 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, | |
3307 | mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
3308 | nla_get_u16); | |
dca7e943 TP |
3309 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
3310 | mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
3311 | nla_get_u16); | |
93da9cc1 | 3312 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3313 | dot11MeshHWMPnetDiameterTraversalTime, | |
3314 | mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
3315 | nla_get_u16); | |
63c5723b RP |
3316 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3317 | dot11MeshHWMPRootMode, mask, | |
3318 | NL80211_MESHCONF_HWMP_ROOTMODE, | |
3319 | nla_get_u8); | |
0507e159 JC |
3320 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3321 | dot11MeshHWMPRannInterval, mask, | |
3322 | NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
3323 | nla_get_u16); | |
16dd7267 JC |
3324 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3325 | dot11MeshGateAnnouncementProtocol, mask, | |
3326 | NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
3327 | nla_get_u8); | |
bd90fdcc JB |
3328 | if (mask_out) |
3329 | *mask_out = mask; | |
c80d545d | 3330 | |
bd90fdcc JB |
3331 | return 0; |
3332 | ||
3333 | #undef FILL_IN_MESH_PARAM_IF_SET | |
3334 | } | |
3335 | ||
c80d545d JC |
3336 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
3337 | struct mesh_setup *setup) | |
3338 | { | |
3339 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; | |
3340 | ||
3341 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
3342 | return -EINVAL; | |
3343 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
3344 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
3345 | nl80211_mesh_setup_params_policy)) | |
3346 | return -EINVAL; | |
3347 | ||
3348 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) | |
3349 | setup->path_sel_proto = | |
3350 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
3351 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
3352 | IEEE80211_PATH_PROTOCOL_HWMP; | |
3353 | ||
3354 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
3355 | setup->path_metric = | |
3356 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
3357 | IEEE80211_PATH_METRIC_VENDOR : | |
3358 | IEEE80211_PATH_METRIC_AIRTIME; | |
3359 | ||
581a8b0f JC |
3360 | |
3361 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 3362 | struct nlattr *ieattr = |
581a8b0f | 3363 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
3364 | if (!is_valid_ie_attr(ieattr)) |
3365 | return -EINVAL; | |
581a8b0f JC |
3366 | setup->ie = nla_data(ieattr); |
3367 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 3368 | } |
b130e5ce JC |
3369 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
3370 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
c80d545d JC |
3371 | |
3372 | return 0; | |
3373 | } | |
3374 | ||
24bdd9f4 | 3375 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 3376 | struct genl_info *info) |
bd90fdcc JB |
3377 | { |
3378 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3379 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 3380 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
3381 | struct mesh_config cfg; |
3382 | u32 mask; | |
3383 | int err; | |
3384 | ||
29cbe68c JB |
3385 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3386 | return -EOPNOTSUPP; | |
3387 | ||
24bdd9f4 | 3388 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
3389 | return -EOPNOTSUPP; |
3390 | ||
24bdd9f4 | 3391 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
3392 | if (err) |
3393 | return err; | |
3394 | ||
29cbe68c JB |
3395 | wdev_lock(wdev); |
3396 | if (!wdev->mesh_id_len) | |
3397 | err = -ENOLINK; | |
3398 | ||
3399 | if (!err) | |
24bdd9f4 | 3400 | err = rdev->ops->update_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
3401 | mask, &cfg); |
3402 | ||
3403 | wdev_unlock(wdev); | |
3404 | ||
3405 | return err; | |
93da9cc1 | 3406 | } |
3407 | ||
f130347c LR |
3408 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
3409 | { | |
3410 | struct sk_buff *msg; | |
3411 | void *hdr = NULL; | |
3412 | struct nlattr *nl_reg_rules; | |
3413 | unsigned int i; | |
3414 | int err = -EINVAL; | |
3415 | ||
a1794390 | 3416 | mutex_lock(&cfg80211_mutex); |
f130347c LR |
3417 | |
3418 | if (!cfg80211_regdomain) | |
3419 | goto out; | |
3420 | ||
fd2120ca | 3421 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
f130347c LR |
3422 | if (!msg) { |
3423 | err = -ENOBUFS; | |
3424 | goto out; | |
3425 | } | |
3426 | ||
3427 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
3428 | NL80211_CMD_GET_REG); | |
3429 | if (!hdr) | |
efe1cf0c | 3430 | goto put_failure; |
f130347c LR |
3431 | |
3432 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, | |
3433 | cfg80211_regdomain->alpha2); | |
8b60b078 LR |
3434 | if (cfg80211_regdomain->dfs_region) |
3435 | NLA_PUT_U8(msg, NL80211_ATTR_DFS_REGION, | |
3436 | cfg80211_regdomain->dfs_region); | |
f130347c LR |
3437 | |
3438 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); | |
3439 | if (!nl_reg_rules) | |
3440 | goto nla_put_failure; | |
3441 | ||
3442 | for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) { | |
3443 | struct nlattr *nl_reg_rule; | |
3444 | const struct ieee80211_reg_rule *reg_rule; | |
3445 | const struct ieee80211_freq_range *freq_range; | |
3446 | const struct ieee80211_power_rule *power_rule; | |
3447 | ||
3448 | reg_rule = &cfg80211_regdomain->reg_rules[i]; | |
3449 | freq_range = ®_rule->freq_range; | |
3450 | power_rule = ®_rule->power_rule; | |
3451 | ||
3452 | nl_reg_rule = nla_nest_start(msg, i); | |
3453 | if (!nl_reg_rule) | |
3454 | goto nla_put_failure; | |
3455 | ||
3456 | NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS, | |
3457 | reg_rule->flags); | |
3458 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
3459 | freq_range->start_freq_khz); | |
3460 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
3461 | freq_range->end_freq_khz); | |
3462 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
3463 | freq_range->max_bandwidth_khz); | |
3464 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
3465 | power_rule->max_antenna_gain); | |
3466 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
3467 | power_rule->max_eirp); | |
3468 | ||
3469 | nla_nest_end(msg, nl_reg_rule); | |
3470 | } | |
3471 | ||
3472 | nla_nest_end(msg, nl_reg_rules); | |
3473 | ||
3474 | genlmsg_end(msg, hdr); | |
134e6375 | 3475 | err = genlmsg_reply(msg, info); |
f130347c LR |
3476 | goto out; |
3477 | ||
3478 | nla_put_failure: | |
3479 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 3480 | put_failure: |
d080e275 | 3481 | nlmsg_free(msg); |
f130347c LR |
3482 | err = -EMSGSIZE; |
3483 | out: | |
a1794390 | 3484 | mutex_unlock(&cfg80211_mutex); |
f130347c LR |
3485 | return err; |
3486 | } | |
3487 | ||
b2e1b302 LR |
3488 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
3489 | { | |
3490 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
3491 | struct nlattr *nl_reg_rule; | |
3492 | char *alpha2 = NULL; | |
3493 | int rem_reg_rules = 0, r = 0; | |
3494 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
8b60b078 | 3495 | u8 dfs_region = 0; |
b2e1b302 LR |
3496 | struct ieee80211_regdomain *rd = NULL; |
3497 | ||
3498 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
3499 | return -EINVAL; | |
3500 | ||
3501 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
3502 | return -EINVAL; | |
3503 | ||
3504 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
3505 | ||
8b60b078 LR |
3506 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
3507 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
3508 | ||
b2e1b302 LR |
3509 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
3510 | rem_reg_rules) { | |
3511 | num_rules++; | |
3512 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 3513 | return -EINVAL; |
b2e1b302 LR |
3514 | } |
3515 | ||
61405e97 LR |
3516 | mutex_lock(&cfg80211_mutex); |
3517 | ||
d0e18f83 LR |
3518 | if (!reg_is_valid_request(alpha2)) { |
3519 | r = -EINVAL; | |
3520 | goto bad_reg; | |
3521 | } | |
b2e1b302 LR |
3522 | |
3523 | size_of_regd = sizeof(struct ieee80211_regdomain) + | |
3524 | (num_rules * sizeof(struct ieee80211_reg_rule)); | |
3525 | ||
3526 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
d0e18f83 LR |
3527 | if (!rd) { |
3528 | r = -ENOMEM; | |
3529 | goto bad_reg; | |
3530 | } | |
b2e1b302 LR |
3531 | |
3532 | rd->n_reg_rules = num_rules; | |
3533 | rd->alpha2[0] = alpha2[0]; | |
3534 | rd->alpha2[1] = alpha2[1]; | |
3535 | ||
8b60b078 LR |
3536 | /* |
3537 | * Disable DFS master mode if the DFS region was | |
3538 | * not supported or known on this kernel. | |
3539 | */ | |
3540 | if (reg_supported_dfs_region(dfs_region)) | |
3541 | rd->dfs_region = dfs_region; | |
3542 | ||
b2e1b302 LR |
3543 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
3544 | rem_reg_rules) { | |
3545 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, | |
3546 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
3547 | reg_rule_policy); | |
3548 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); | |
3549 | if (r) | |
3550 | goto bad_reg; | |
3551 | ||
3552 | rule_idx++; | |
3553 | ||
d0e18f83 LR |
3554 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
3555 | r = -EINVAL; | |
b2e1b302 | 3556 | goto bad_reg; |
d0e18f83 | 3557 | } |
b2e1b302 LR |
3558 | } |
3559 | ||
3560 | BUG_ON(rule_idx != num_rules); | |
3561 | ||
b2e1b302 | 3562 | r = set_regdom(rd); |
61405e97 | 3563 | |
a1794390 | 3564 | mutex_unlock(&cfg80211_mutex); |
d0e18f83 | 3565 | |
b2e1b302 LR |
3566 | return r; |
3567 | ||
d2372b31 | 3568 | bad_reg: |
61405e97 | 3569 | mutex_unlock(&cfg80211_mutex); |
b2e1b302 | 3570 | kfree(rd); |
d0e18f83 | 3571 | return r; |
b2e1b302 LR |
3572 | } |
3573 | ||
83f5e2cf JB |
3574 | static int validate_scan_freqs(struct nlattr *freqs) |
3575 | { | |
3576 | struct nlattr *attr1, *attr2; | |
3577 | int n_channels = 0, tmp1, tmp2; | |
3578 | ||
3579 | nla_for_each_nested(attr1, freqs, tmp1) { | |
3580 | n_channels++; | |
3581 | /* | |
3582 | * Some hardware has a limited channel list for | |
3583 | * scanning, and it is pretty much nonsensical | |
3584 | * to scan for a channel twice, so disallow that | |
3585 | * and don't require drivers to check that the | |
3586 | * channel list they get isn't longer than what | |
3587 | * they can scan, as long as they can scan all | |
3588 | * the channels they registered at once. | |
3589 | */ | |
3590 | nla_for_each_nested(attr2, freqs, tmp2) | |
3591 | if (attr1 != attr2 && | |
3592 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
3593 | return 0; | |
3594 | } | |
3595 | ||
3596 | return n_channels; | |
3597 | } | |
3598 | ||
2a519311 JB |
3599 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
3600 | { | |
4c476991 JB |
3601 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3602 | struct net_device *dev = info->user_ptr[1]; | |
2a519311 | 3603 | struct cfg80211_scan_request *request; |
2a519311 JB |
3604 | struct nlattr *attr; |
3605 | struct wiphy *wiphy; | |
83f5e2cf | 3606 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 3607 | size_t ie_len; |
2a519311 | 3608 | |
f4a11bb0 JB |
3609 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3610 | return -EINVAL; | |
3611 | ||
79c97e97 | 3612 | wiphy = &rdev->wiphy; |
2a519311 | 3613 | |
4c476991 JB |
3614 | if (!rdev->ops->scan) |
3615 | return -EOPNOTSUPP; | |
2a519311 | 3616 | |
4c476991 JB |
3617 | if (rdev->scan_req) |
3618 | return -EBUSY; | |
2a519311 JB |
3619 | |
3620 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
3621 | n_channels = validate_scan_freqs( |
3622 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
4c476991 JB |
3623 | if (!n_channels) |
3624 | return -EINVAL; | |
2a519311 | 3625 | } else { |
34850ab2 | 3626 | enum ieee80211_band band; |
83f5e2cf JB |
3627 | n_channels = 0; |
3628 | ||
2a519311 JB |
3629 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
3630 | if (wiphy->bands[band]) | |
3631 | n_channels += wiphy->bands[band]->n_channels; | |
3632 | } | |
3633 | ||
3634 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
3635 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
3636 | n_ssids++; | |
3637 | ||
4c476991 JB |
3638 | if (n_ssids > wiphy->max_scan_ssids) |
3639 | return -EINVAL; | |
2a519311 | 3640 | |
70692ad2 JM |
3641 | if (info->attrs[NL80211_ATTR_IE]) |
3642 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3643 | else | |
3644 | ie_len = 0; | |
3645 | ||
4c476991 JB |
3646 | if (ie_len > wiphy->max_scan_ie_len) |
3647 | return -EINVAL; | |
18a83659 | 3648 | |
2a519311 | 3649 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
3650 | + sizeof(*request->ssids) * n_ssids |
3651 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 3652 | + ie_len, GFP_KERNEL); |
4c476991 JB |
3653 | if (!request) |
3654 | return -ENOMEM; | |
2a519311 | 3655 | |
2a519311 | 3656 | if (n_ssids) |
5ba63533 | 3657 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 3658 | request->n_ssids = n_ssids; |
70692ad2 JM |
3659 | if (ie_len) { |
3660 | if (request->ssids) | |
3661 | request->ie = (void *)(request->ssids + n_ssids); | |
3662 | else | |
3663 | request->ie = (void *)(request->channels + n_channels); | |
3664 | } | |
2a519311 | 3665 | |
584991dc | 3666 | i = 0; |
2a519311 JB |
3667 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
3668 | /* user specified, bail out if channel not found */ | |
2a519311 | 3669 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
3670 | struct ieee80211_channel *chan; |
3671 | ||
3672 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
3673 | ||
3674 | if (!chan) { | |
2a519311 JB |
3675 | err = -EINVAL; |
3676 | goto out_free; | |
3677 | } | |
584991dc JB |
3678 | |
3679 | /* ignore disabled channels */ | |
3680 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3681 | continue; | |
3682 | ||
3683 | request->channels[i] = chan; | |
2a519311 JB |
3684 | i++; |
3685 | } | |
3686 | } else { | |
34850ab2 JB |
3687 | enum ieee80211_band band; |
3688 | ||
2a519311 | 3689 | /* all channels */ |
2a519311 JB |
3690 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
3691 | int j; | |
3692 | if (!wiphy->bands[band]) | |
3693 | continue; | |
3694 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
3695 | struct ieee80211_channel *chan; |
3696 | ||
3697 | chan = &wiphy->bands[band]->channels[j]; | |
3698 | ||
3699 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3700 | continue; | |
3701 | ||
3702 | request->channels[i] = chan; | |
2a519311 JB |
3703 | i++; |
3704 | } | |
3705 | } | |
3706 | } | |
3707 | ||
584991dc JB |
3708 | if (!i) { |
3709 | err = -EINVAL; | |
3710 | goto out_free; | |
3711 | } | |
3712 | ||
3713 | request->n_channels = i; | |
3714 | ||
2a519311 JB |
3715 | i = 0; |
3716 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
3717 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 3718 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
3719 | err = -EINVAL; |
3720 | goto out_free; | |
3721 | } | |
57a27e1d | 3722 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 3723 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
3724 | i++; |
3725 | } | |
3726 | } | |
3727 | ||
70692ad2 JM |
3728 | if (info->attrs[NL80211_ATTR_IE]) { |
3729 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
3730 | memcpy((void *)request->ie, |
3731 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
3732 | request->ie_len); |
3733 | } | |
3734 | ||
34850ab2 | 3735 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
3736 | if (wiphy->bands[i]) |
3737 | request->rates[i] = | |
3738 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
3739 | |
3740 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
3741 | nla_for_each_nested(attr, | |
3742 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
3743 | tmp) { | |
3744 | enum ieee80211_band band = nla_type(attr); | |
3745 | ||
84404623 | 3746 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
3747 | err = -EINVAL; |
3748 | goto out_free; | |
3749 | } | |
3750 | err = ieee80211_get_ratemask(wiphy->bands[band], | |
3751 | nla_data(attr), | |
3752 | nla_len(attr), | |
3753 | &request->rates[band]); | |
3754 | if (err) | |
3755 | goto out_free; | |
3756 | } | |
3757 | } | |
3758 | ||
e9f935e3 RM |
3759 | request->no_cck = |
3760 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
3761 | ||
463d0183 | 3762 | request->dev = dev; |
79c97e97 | 3763 | request->wiphy = &rdev->wiphy; |
2a519311 | 3764 | |
79c97e97 JB |
3765 | rdev->scan_req = request; |
3766 | err = rdev->ops->scan(&rdev->wiphy, dev, request); | |
2a519311 | 3767 | |
463d0183 | 3768 | if (!err) { |
79c97e97 | 3769 | nl80211_send_scan_start(rdev, dev); |
463d0183 | 3770 | dev_hold(dev); |
4c476991 | 3771 | } else { |
2a519311 | 3772 | out_free: |
79c97e97 | 3773 | rdev->scan_req = NULL; |
2a519311 JB |
3774 | kfree(request); |
3775 | } | |
3b85875a | 3776 | |
2a519311 JB |
3777 | return err; |
3778 | } | |
3779 | ||
807f8a8c LC |
3780 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
3781 | struct genl_info *info) | |
3782 | { | |
3783 | struct cfg80211_sched_scan_request *request; | |
3784 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3785 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
3786 | struct nlattr *attr; |
3787 | struct wiphy *wiphy; | |
a1f1c21c | 3788 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 3789 | u32 interval; |
807f8a8c LC |
3790 | enum ieee80211_band band; |
3791 | size_t ie_len; | |
a1f1c21c | 3792 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
3793 | |
3794 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
3795 | !rdev->ops->sched_scan_start) | |
3796 | return -EOPNOTSUPP; | |
3797 | ||
3798 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
3799 | return -EINVAL; | |
3800 | ||
bbe6ad6d LC |
3801 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
3802 | return -EINVAL; | |
3803 | ||
3804 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
3805 | if (interval == 0) | |
3806 | return -EINVAL; | |
3807 | ||
807f8a8c LC |
3808 | wiphy = &rdev->wiphy; |
3809 | ||
3810 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
3811 | n_channels = validate_scan_freqs( | |
3812 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
3813 | if (!n_channels) | |
3814 | return -EINVAL; | |
3815 | } else { | |
3816 | n_channels = 0; | |
3817 | ||
3818 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
3819 | if (wiphy->bands[band]) | |
3820 | n_channels += wiphy->bands[band]->n_channels; | |
3821 | } | |
3822 | ||
3823 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
3824 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
3825 | tmp) | |
3826 | n_ssids++; | |
3827 | ||
93b6aa69 | 3828 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
3829 | return -EINVAL; |
3830 | ||
a1f1c21c LC |
3831 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
3832 | nla_for_each_nested(attr, | |
3833 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
3834 | tmp) | |
3835 | n_match_sets++; | |
3836 | ||
3837 | if (n_match_sets > wiphy->max_match_sets) | |
3838 | return -EINVAL; | |
3839 | ||
807f8a8c LC |
3840 | if (info->attrs[NL80211_ATTR_IE]) |
3841 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3842 | else | |
3843 | ie_len = 0; | |
3844 | ||
5a865bad | 3845 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
3846 | return -EINVAL; |
3847 | ||
c10841ca LC |
3848 | mutex_lock(&rdev->sched_scan_mtx); |
3849 | ||
3850 | if (rdev->sched_scan_req) { | |
3851 | err = -EINPROGRESS; | |
3852 | goto out; | |
3853 | } | |
3854 | ||
807f8a8c | 3855 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 3856 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 3857 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 3858 | + sizeof(*request->channels) * n_channels |
807f8a8c | 3859 | + ie_len, GFP_KERNEL); |
c10841ca LC |
3860 | if (!request) { |
3861 | err = -ENOMEM; | |
3862 | goto out; | |
3863 | } | |
807f8a8c LC |
3864 | |
3865 | if (n_ssids) | |
3866 | request->ssids = (void *)&request->channels[n_channels]; | |
3867 | request->n_ssids = n_ssids; | |
3868 | if (ie_len) { | |
3869 | if (request->ssids) | |
3870 | request->ie = (void *)(request->ssids + n_ssids); | |
3871 | else | |
3872 | request->ie = (void *)(request->channels + n_channels); | |
3873 | } | |
3874 | ||
a1f1c21c LC |
3875 | if (n_match_sets) { |
3876 | if (request->ie) | |
3877 | request->match_sets = (void *)(request->ie + ie_len); | |
3878 | else if (request->ssids) | |
3879 | request->match_sets = | |
3880 | (void *)(request->ssids + n_ssids); | |
3881 | else | |
3882 | request->match_sets = | |
3883 | (void *)(request->channels + n_channels); | |
3884 | } | |
3885 | request->n_match_sets = n_match_sets; | |
3886 | ||
807f8a8c LC |
3887 | i = 0; |
3888 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
3889 | /* user specified, bail out if channel not found */ | |
3890 | nla_for_each_nested(attr, | |
3891 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
3892 | tmp) { | |
3893 | struct ieee80211_channel *chan; | |
3894 | ||
3895 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
3896 | ||
3897 | if (!chan) { | |
3898 | err = -EINVAL; | |
3899 | goto out_free; | |
3900 | } | |
3901 | ||
3902 | /* ignore disabled channels */ | |
3903 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3904 | continue; | |
3905 | ||
3906 | request->channels[i] = chan; | |
3907 | i++; | |
3908 | } | |
3909 | } else { | |
3910 | /* all channels */ | |
3911 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
3912 | int j; | |
3913 | if (!wiphy->bands[band]) | |
3914 | continue; | |
3915 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
3916 | struct ieee80211_channel *chan; | |
3917 | ||
3918 | chan = &wiphy->bands[band]->channels[j]; | |
3919 | ||
3920 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3921 | continue; | |
3922 | ||
3923 | request->channels[i] = chan; | |
3924 | i++; | |
3925 | } | |
3926 | } | |
3927 | } | |
3928 | ||
3929 | if (!i) { | |
3930 | err = -EINVAL; | |
3931 | goto out_free; | |
3932 | } | |
3933 | ||
3934 | request->n_channels = i; | |
3935 | ||
3936 | i = 0; | |
3937 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
3938 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
3939 | tmp) { | |
57a27e1d | 3940 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
3941 | err = -EINVAL; |
3942 | goto out_free; | |
3943 | } | |
57a27e1d | 3944 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
3945 | memcpy(request->ssids[i].ssid, nla_data(attr), |
3946 | nla_len(attr)); | |
807f8a8c LC |
3947 | i++; |
3948 | } | |
3949 | } | |
3950 | ||
a1f1c21c LC |
3951 | i = 0; |
3952 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
3953 | nla_for_each_nested(attr, | |
3954 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
3955 | tmp) { | |
3956 | struct nlattr *ssid; | |
3957 | ||
3958 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
3959 | nla_data(attr), nla_len(attr), | |
3960 | nl80211_match_policy); | |
3961 | ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID]; | |
3962 | if (ssid) { | |
3963 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
3964 | err = -EINVAL; | |
3965 | goto out_free; | |
3966 | } | |
3967 | memcpy(request->match_sets[i].ssid.ssid, | |
3968 | nla_data(ssid), nla_len(ssid)); | |
3969 | request->match_sets[i].ssid.ssid_len = | |
3970 | nla_len(ssid); | |
3971 | } | |
3972 | i++; | |
3973 | } | |
3974 | } | |
3975 | ||
807f8a8c LC |
3976 | if (info->attrs[NL80211_ATTR_IE]) { |
3977 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3978 | memcpy((void *)request->ie, | |
3979 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
3980 | request->ie_len); | |
3981 | } | |
3982 | ||
3983 | request->dev = dev; | |
3984 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 3985 | request->interval = interval; |
807f8a8c LC |
3986 | |
3987 | err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request); | |
3988 | if (!err) { | |
3989 | rdev->sched_scan_req = request; | |
3990 | nl80211_send_sched_scan(rdev, dev, | |
3991 | NL80211_CMD_START_SCHED_SCAN); | |
3992 | goto out; | |
3993 | } | |
3994 | ||
3995 | out_free: | |
3996 | kfree(request); | |
3997 | out: | |
c10841ca | 3998 | mutex_unlock(&rdev->sched_scan_mtx); |
807f8a8c LC |
3999 | return err; |
4000 | } | |
4001 | ||
4002 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
4003 | struct genl_info *info) | |
4004 | { | |
4005 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
c10841ca | 4006 | int err; |
807f8a8c LC |
4007 | |
4008 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
4009 | !rdev->ops->sched_scan_stop) | |
4010 | return -EOPNOTSUPP; | |
4011 | ||
c10841ca LC |
4012 | mutex_lock(&rdev->sched_scan_mtx); |
4013 | err = __cfg80211_stop_sched_scan(rdev, false); | |
4014 | mutex_unlock(&rdev->sched_scan_mtx); | |
4015 | ||
4016 | return err; | |
807f8a8c LC |
4017 | } |
4018 | ||
9720bb3a JB |
4019 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
4020 | u32 seq, int flags, | |
2a519311 | 4021 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
4022 | struct wireless_dev *wdev, |
4023 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 4024 | { |
48ab905d | 4025 | struct cfg80211_bss *res = &intbss->pub; |
2a519311 JB |
4026 | void *hdr; |
4027 | struct nlattr *bss; | |
48ab905d JB |
4028 | int i; |
4029 | ||
4030 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 4031 | |
9720bb3a | 4032 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags, |
2a519311 JB |
4033 | NL80211_CMD_NEW_SCAN_RESULTS); |
4034 | if (!hdr) | |
4035 | return -1; | |
4036 | ||
9720bb3a JB |
4037 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
4038 | ||
f5ea9120 | 4039 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation); |
48ab905d | 4040 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex); |
2a519311 JB |
4041 | |
4042 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
4043 | if (!bss) | |
4044 | goto nla_put_failure; | |
4045 | if (!is_zero_ether_addr(res->bssid)) | |
4046 | NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid); | |
4047 | if (res->information_elements && res->len_information_elements) | |
4048 | NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
4049 | res->len_information_elements, | |
4050 | res->information_elements); | |
34a6eddb JM |
4051 | if (res->beacon_ies && res->len_beacon_ies && |
4052 | res->beacon_ies != res->information_elements) | |
4053 | NLA_PUT(msg, NL80211_BSS_BEACON_IES, | |
4054 | res->len_beacon_ies, res->beacon_ies); | |
2a519311 JB |
4055 | if (res->tsf) |
4056 | NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf); | |
4057 | if (res->beacon_interval) | |
4058 | NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval); | |
4059 | NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability); | |
4060 | NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq); | |
7c89606e HS |
4061 | NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO, |
4062 | jiffies_to_msecs(jiffies - intbss->ts)); | |
2a519311 | 4063 | |
77965c97 | 4064 | switch (rdev->wiphy.signal_type) { |
2a519311 JB |
4065 | case CFG80211_SIGNAL_TYPE_MBM: |
4066 | NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal); | |
4067 | break; | |
4068 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
4069 | NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal); | |
4070 | break; | |
4071 | default: | |
4072 | break; | |
4073 | } | |
4074 | ||
48ab905d | 4075 | switch (wdev->iftype) { |
074ac8df | 4076 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d JB |
4077 | case NL80211_IFTYPE_STATION: |
4078 | if (intbss == wdev->current_bss) | |
4079 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
4080 | NL80211_BSS_STATUS_ASSOCIATED); | |
4081 | else for (i = 0; i < MAX_AUTH_BSSES; i++) { | |
4082 | if (intbss != wdev->auth_bsses[i]) | |
4083 | continue; | |
4084 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
4085 | NL80211_BSS_STATUS_AUTHENTICATED); | |
4086 | break; | |
4087 | } | |
4088 | break; | |
4089 | case NL80211_IFTYPE_ADHOC: | |
4090 | if (intbss == wdev->current_bss) | |
4091 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
4092 | NL80211_BSS_STATUS_IBSS_JOINED); | |
4093 | break; | |
4094 | default: | |
4095 | break; | |
4096 | } | |
4097 | ||
2a519311 JB |
4098 | nla_nest_end(msg, bss); |
4099 | ||
4100 | return genlmsg_end(msg, hdr); | |
4101 | ||
4102 | nla_put_failure: | |
4103 | genlmsg_cancel(msg, hdr); | |
4104 | return -EMSGSIZE; | |
4105 | } | |
4106 | ||
4107 | static int nl80211_dump_scan(struct sk_buff *skb, | |
4108 | struct netlink_callback *cb) | |
4109 | { | |
48ab905d JB |
4110 | struct cfg80211_registered_device *rdev; |
4111 | struct net_device *dev; | |
2a519311 | 4112 | struct cfg80211_internal_bss *scan; |
48ab905d | 4113 | struct wireless_dev *wdev; |
2a519311 JB |
4114 | int start = cb->args[1], idx = 0; |
4115 | int err; | |
4116 | ||
67748893 JB |
4117 | err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev); |
4118 | if (err) | |
4119 | return err; | |
2a519311 | 4120 | |
48ab905d | 4121 | wdev = dev->ieee80211_ptr; |
2a519311 | 4122 | |
48ab905d JB |
4123 | wdev_lock(wdev); |
4124 | spin_lock_bh(&rdev->bss_lock); | |
4125 | cfg80211_bss_expire(rdev); | |
4126 | ||
9720bb3a JB |
4127 | cb->seq = rdev->bss_generation; |
4128 | ||
48ab905d | 4129 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
4130 | if (++idx <= start) |
4131 | continue; | |
9720bb3a | 4132 | if (nl80211_send_bss(skb, cb, |
2a519311 | 4133 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 4134 | rdev, wdev, scan) < 0) { |
2a519311 | 4135 | idx--; |
67748893 | 4136 | break; |
2a519311 JB |
4137 | } |
4138 | } | |
4139 | ||
48ab905d JB |
4140 | spin_unlock_bh(&rdev->bss_lock); |
4141 | wdev_unlock(wdev); | |
2a519311 JB |
4142 | |
4143 | cb->args[1] = idx; | |
67748893 | 4144 | nl80211_finish_netdev_dump(rdev); |
2a519311 | 4145 | |
67748893 | 4146 | return skb->len; |
2a519311 JB |
4147 | } |
4148 | ||
61fa713c HS |
4149 | static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, |
4150 | int flags, struct net_device *dev, | |
4151 | struct survey_info *survey) | |
4152 | { | |
4153 | void *hdr; | |
4154 | struct nlattr *infoattr; | |
4155 | ||
61fa713c HS |
4156 | hdr = nl80211hdr_put(msg, pid, seq, flags, |
4157 | NL80211_CMD_NEW_SURVEY_RESULTS); | |
4158 | if (!hdr) | |
4159 | return -ENOMEM; | |
4160 | ||
4161 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
4162 | ||
4163 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
4164 | if (!infoattr) | |
4165 | goto nla_put_failure; | |
4166 | ||
4167 | NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
4168 | survey->channel->center_freq); | |
4169 | if (survey->filled & SURVEY_INFO_NOISE_DBM) | |
4170 | NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE, | |
4171 | survey->noise); | |
17e5a808 FF |
4172 | if (survey->filled & SURVEY_INFO_IN_USE) |
4173 | NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE); | |
8610c29a FF |
4174 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME) |
4175 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
4176 | survey->channel_time); | |
4177 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
4178 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
4179 | survey->channel_time_busy); | |
4180 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
4181 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
4182 | survey->channel_time_ext_busy); | |
4183 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
4184 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
4185 | survey->channel_time_rx); | |
4186 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
4187 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
4188 | survey->channel_time_tx); | |
61fa713c HS |
4189 | |
4190 | nla_nest_end(msg, infoattr); | |
4191 | ||
4192 | return genlmsg_end(msg, hdr); | |
4193 | ||
4194 | nla_put_failure: | |
4195 | genlmsg_cancel(msg, hdr); | |
4196 | return -EMSGSIZE; | |
4197 | } | |
4198 | ||
4199 | static int nl80211_dump_survey(struct sk_buff *skb, | |
4200 | struct netlink_callback *cb) | |
4201 | { | |
4202 | struct survey_info survey; | |
4203 | struct cfg80211_registered_device *dev; | |
4204 | struct net_device *netdev; | |
61fa713c HS |
4205 | int survey_idx = cb->args[1]; |
4206 | int res; | |
4207 | ||
67748893 JB |
4208 | res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
4209 | if (res) | |
4210 | return res; | |
61fa713c HS |
4211 | |
4212 | if (!dev->ops->dump_survey) { | |
4213 | res = -EOPNOTSUPP; | |
4214 | goto out_err; | |
4215 | } | |
4216 | ||
4217 | while (1) { | |
180cdc79 LR |
4218 | struct ieee80211_channel *chan; |
4219 | ||
61fa713c HS |
4220 | res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx, |
4221 | &survey); | |
4222 | if (res == -ENOENT) | |
4223 | break; | |
4224 | if (res) | |
4225 | goto out_err; | |
4226 | ||
180cdc79 LR |
4227 | /* Survey without a channel doesn't make sense */ |
4228 | if (!survey.channel) { | |
4229 | res = -EINVAL; | |
4230 | goto out; | |
4231 | } | |
4232 | ||
4233 | chan = ieee80211_get_channel(&dev->wiphy, | |
4234 | survey.channel->center_freq); | |
4235 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
4236 | survey_idx++; | |
4237 | continue; | |
4238 | } | |
4239 | ||
61fa713c HS |
4240 | if (nl80211_send_survey(skb, |
4241 | NETLINK_CB(cb->skb).pid, | |
4242 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4243 | netdev, | |
4244 | &survey) < 0) | |
4245 | goto out; | |
4246 | survey_idx++; | |
4247 | } | |
4248 | ||
4249 | out: | |
4250 | cb->args[1] = survey_idx; | |
4251 | res = skb->len; | |
4252 | out_err: | |
67748893 | 4253 | nl80211_finish_netdev_dump(dev); |
61fa713c HS |
4254 | return res; |
4255 | } | |
4256 | ||
255e737e JM |
4257 | static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type) |
4258 | { | |
b23aa676 SO |
4259 | return auth_type <= NL80211_AUTHTYPE_MAX; |
4260 | } | |
4261 | ||
4262 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) | |
4263 | { | |
4264 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
4265 | NL80211_WPA_VERSION_2)); | |
4266 | } | |
4267 | ||
636a5d36 JM |
4268 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
4269 | { | |
4c476991 JB |
4270 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4271 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 JB |
4272 | struct ieee80211_channel *chan; |
4273 | const u8 *bssid, *ssid, *ie = NULL; | |
4274 | int err, ssid_len, ie_len = 0; | |
4275 | enum nl80211_auth_type auth_type; | |
fffd0934 | 4276 | struct key_parse key; |
d5cdfacb | 4277 | bool local_state_change; |
636a5d36 | 4278 | |
f4a11bb0 JB |
4279 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4280 | return -EINVAL; | |
4281 | ||
4282 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4283 | return -EINVAL; | |
4284 | ||
1778092e JM |
4285 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
4286 | return -EINVAL; | |
4287 | ||
19957bb3 JB |
4288 | if (!info->attrs[NL80211_ATTR_SSID]) |
4289 | return -EINVAL; | |
4290 | ||
4291 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
4292 | return -EINVAL; | |
4293 | ||
fffd0934 JB |
4294 | err = nl80211_parse_key(info, &key); |
4295 | if (err) | |
4296 | return err; | |
4297 | ||
4298 | if (key.idx >= 0) { | |
e31b8213 JB |
4299 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
4300 | return -EINVAL; | |
fffd0934 JB |
4301 | if (!key.p.key || !key.p.key_len) |
4302 | return -EINVAL; | |
4303 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
4304 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
4305 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
4306 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
4307 | return -EINVAL; | |
4308 | if (key.idx > 4) | |
4309 | return -EINVAL; | |
4310 | } else { | |
4311 | key.p.key_len = 0; | |
4312 | key.p.key = NULL; | |
4313 | } | |
4314 | ||
afea0b7a JB |
4315 | if (key.idx >= 0) { |
4316 | int i; | |
4317 | bool ok = false; | |
4318 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
4319 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
4320 | ok = true; | |
4321 | break; | |
4322 | } | |
4323 | } | |
4c476991 JB |
4324 | if (!ok) |
4325 | return -EINVAL; | |
afea0b7a JB |
4326 | } |
4327 | ||
4c476991 JB |
4328 | if (!rdev->ops->auth) |
4329 | return -EOPNOTSUPP; | |
636a5d36 | 4330 | |
074ac8df | 4331 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4332 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4333 | return -EOPNOTSUPP; | |
eec60b03 | 4334 | |
19957bb3 | 4335 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 4336 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 4337 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
4338 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
4339 | return -EINVAL; | |
636a5d36 | 4340 | |
19957bb3 JB |
4341 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4342 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
4343 | |
4344 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4345 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4346 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4347 | } |
4348 | ||
19957bb3 | 4349 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
4c476991 JB |
4350 | if (!nl80211_valid_auth_type(auth_type)) |
4351 | return -EINVAL; | |
636a5d36 | 4352 | |
d5cdfacb JM |
4353 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4354 | ||
4c476991 JB |
4355 | return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
4356 | ssid, ssid_len, ie, ie_len, | |
4357 | key.p.key, key.p.key_len, key.idx, | |
4358 | local_state_change); | |
636a5d36 JM |
4359 | } |
4360 | ||
c0692b8f JB |
4361 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
4362 | struct genl_info *info, | |
3dc27d25 JB |
4363 | struct cfg80211_crypto_settings *settings, |
4364 | int cipher_limit) | |
b23aa676 | 4365 | { |
c0b2bbd8 JB |
4366 | memset(settings, 0, sizeof(*settings)); |
4367 | ||
b23aa676 SO |
4368 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
4369 | ||
c0692b8f JB |
4370 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
4371 | u16 proto; | |
4372 | proto = nla_get_u16( | |
4373 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
4374 | settings->control_port_ethertype = cpu_to_be16(proto); | |
4375 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
4376 | proto != ETH_P_PAE) | |
4377 | return -EINVAL; | |
4378 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
4379 | settings->control_port_no_encrypt = true; | |
4380 | } else | |
4381 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
4382 | ||
b23aa676 SO |
4383 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
4384 | void *data; | |
4385 | int len, i; | |
4386 | ||
4387 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
4388 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
4389 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
4390 | ||
4391 | if (len % sizeof(u32)) | |
4392 | return -EINVAL; | |
4393 | ||
3dc27d25 | 4394 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
4395 | return -EINVAL; |
4396 | ||
4397 | memcpy(settings->ciphers_pairwise, data, len); | |
4398 | ||
4399 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
4400 | if (!cfg80211_supported_cipher_suite( |
4401 | &rdev->wiphy, | |
b23aa676 SO |
4402 | settings->ciphers_pairwise[i])) |
4403 | return -EINVAL; | |
4404 | } | |
4405 | ||
4406 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
4407 | settings->cipher_group = | |
4408 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
4409 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
4410 | settings->cipher_group)) | |
b23aa676 SO |
4411 | return -EINVAL; |
4412 | } | |
4413 | ||
4414 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
4415 | settings->wpa_versions = | |
4416 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
4417 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
4418 | return -EINVAL; | |
4419 | } | |
4420 | ||
4421 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
4422 | void *data; | |
6d30240e | 4423 | int len; |
b23aa676 SO |
4424 | |
4425 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
4426 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
4427 | settings->n_akm_suites = len / sizeof(u32); | |
4428 | ||
4429 | if (len % sizeof(u32)) | |
4430 | return -EINVAL; | |
4431 | ||
1b9ca027 JM |
4432 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
4433 | return -EINVAL; | |
4434 | ||
b23aa676 | 4435 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
4436 | } |
4437 | ||
4438 | return 0; | |
4439 | } | |
4440 | ||
636a5d36 JM |
4441 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
4442 | { | |
4c476991 JB |
4443 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4444 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4445 | struct cfg80211_crypto_settings crypto; |
f444de05 | 4446 | struct ieee80211_channel *chan; |
3e5d7649 | 4447 | const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; |
19957bb3 JB |
4448 | int err, ssid_len, ie_len = 0; |
4449 | bool use_mfp = false; | |
7e7c8926 BG |
4450 | u32 flags = 0; |
4451 | struct ieee80211_ht_cap *ht_capa = NULL; | |
4452 | struct ieee80211_ht_cap *ht_capa_mask = NULL; | |
636a5d36 | 4453 | |
f4a11bb0 JB |
4454 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4455 | return -EINVAL; | |
4456 | ||
4457 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
4458 | !info->attrs[NL80211_ATTR_SSID] || |
4459 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
4460 | return -EINVAL; |
4461 | ||
4c476991 JB |
4462 | if (!rdev->ops->assoc) |
4463 | return -EOPNOTSUPP; | |
636a5d36 | 4464 | |
074ac8df | 4465 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4466 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4467 | return -EOPNOTSUPP; | |
eec60b03 | 4468 | |
19957bb3 | 4469 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4470 | |
19957bb3 JB |
4471 | chan = ieee80211_get_channel(&rdev->wiphy, |
4472 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
4473 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
4474 | return -EINVAL; | |
636a5d36 | 4475 | |
19957bb3 JB |
4476 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4477 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
4478 | |
4479 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4480 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4481 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4482 | } |
4483 | ||
dc6382ce | 4484 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 4485 | enum nl80211_mfp mfp = |
dc6382ce | 4486 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 4487 | if (mfp == NL80211_MFP_REQUIRED) |
19957bb3 | 4488 | use_mfp = true; |
4c476991 JB |
4489 | else if (mfp != NL80211_MFP_NO) |
4490 | return -EINVAL; | |
dc6382ce JM |
4491 | } |
4492 | ||
3e5d7649 JB |
4493 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
4494 | prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
4495 | ||
7e7c8926 BG |
4496 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
4497 | flags |= ASSOC_REQ_DISABLE_HT; | |
4498 | ||
4499 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
4500 | ht_capa_mask = | |
4501 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]); | |
4502 | ||
4503 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
4504 | if (!ht_capa_mask) | |
4505 | return -EINVAL; | |
4506 | ht_capa = nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4507 | } | |
4508 | ||
c0692b8f | 4509 | err = nl80211_crypto_settings(rdev, info, &crypto, 1); |
b23aa676 | 4510 | if (!err) |
3e5d7649 JB |
4511 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, |
4512 | ssid, ssid_len, ie, ie_len, use_mfp, | |
7e7c8926 BG |
4513 | &crypto, flags, ht_capa, |
4514 | ht_capa_mask); | |
636a5d36 | 4515 | |
636a5d36 JM |
4516 | return err; |
4517 | } | |
4518 | ||
4519 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
4520 | { | |
4c476991 JB |
4521 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4522 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4523 | const u8 *ie = NULL, *bssid; |
4c476991 | 4524 | int ie_len = 0; |
19957bb3 | 4525 | u16 reason_code; |
d5cdfacb | 4526 | bool local_state_change; |
636a5d36 | 4527 | |
f4a11bb0 JB |
4528 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4529 | return -EINVAL; | |
4530 | ||
4531 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4532 | return -EINVAL; | |
4533 | ||
4534 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4535 | return -EINVAL; | |
4536 | ||
4c476991 JB |
4537 | if (!rdev->ops->deauth) |
4538 | return -EOPNOTSUPP; | |
636a5d36 | 4539 | |
074ac8df | 4540 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4541 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4542 | return -EOPNOTSUPP; | |
eec60b03 | 4543 | |
19957bb3 | 4544 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4545 | |
19957bb3 JB |
4546 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
4547 | if (reason_code == 0) { | |
f4a11bb0 | 4548 | /* Reason Code 0 is reserved */ |
4c476991 | 4549 | return -EINVAL; |
255e737e | 4550 | } |
636a5d36 JM |
4551 | |
4552 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4553 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4554 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4555 | } |
4556 | ||
d5cdfacb JM |
4557 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4558 | ||
4c476991 JB |
4559 | return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, |
4560 | local_state_change); | |
636a5d36 JM |
4561 | } |
4562 | ||
4563 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
4564 | { | |
4c476991 JB |
4565 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4566 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4567 | const u8 *ie = NULL, *bssid; |
4c476991 | 4568 | int ie_len = 0; |
19957bb3 | 4569 | u16 reason_code; |
d5cdfacb | 4570 | bool local_state_change; |
636a5d36 | 4571 | |
f4a11bb0 JB |
4572 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4573 | return -EINVAL; | |
4574 | ||
4575 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4576 | return -EINVAL; | |
4577 | ||
4578 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4579 | return -EINVAL; | |
4580 | ||
4c476991 JB |
4581 | if (!rdev->ops->disassoc) |
4582 | return -EOPNOTSUPP; | |
636a5d36 | 4583 | |
074ac8df | 4584 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4585 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4586 | return -EOPNOTSUPP; | |
eec60b03 | 4587 | |
19957bb3 | 4588 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4589 | |
19957bb3 JB |
4590 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
4591 | if (reason_code == 0) { | |
f4a11bb0 | 4592 | /* Reason Code 0 is reserved */ |
4c476991 | 4593 | return -EINVAL; |
255e737e | 4594 | } |
636a5d36 JM |
4595 | |
4596 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4597 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4598 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4599 | } |
4600 | ||
d5cdfacb JM |
4601 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4602 | ||
4c476991 JB |
4603 | return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, |
4604 | local_state_change); | |
636a5d36 JM |
4605 | } |
4606 | ||
dd5b4cc7 FF |
4607 | static bool |
4608 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
4609 | int mcast_rate[IEEE80211_NUM_BANDS], | |
4610 | int rateval) | |
4611 | { | |
4612 | struct wiphy *wiphy = &rdev->wiphy; | |
4613 | bool found = false; | |
4614 | int band, i; | |
4615 | ||
4616 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
4617 | struct ieee80211_supported_band *sband; | |
4618 | ||
4619 | sband = wiphy->bands[band]; | |
4620 | if (!sband) | |
4621 | continue; | |
4622 | ||
4623 | for (i = 0; i < sband->n_bitrates; i++) { | |
4624 | if (sband->bitrates[i].bitrate == rateval) { | |
4625 | mcast_rate[band] = i + 1; | |
4626 | found = true; | |
4627 | break; | |
4628 | } | |
4629 | } | |
4630 | } | |
4631 | ||
4632 | return found; | |
4633 | } | |
4634 | ||
04a773ad JB |
4635 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
4636 | { | |
4c476991 JB |
4637 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4638 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
4639 | struct cfg80211_ibss_params ibss; |
4640 | struct wiphy *wiphy; | |
fffd0934 | 4641 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
4642 | int err; |
4643 | ||
8e30bc55 JB |
4644 | memset(&ibss, 0, sizeof(ibss)); |
4645 | ||
04a773ad JB |
4646 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4647 | return -EINVAL; | |
4648 | ||
4649 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
4650 | !info->attrs[NL80211_ATTR_SSID] || | |
4651 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
4652 | return -EINVAL; | |
4653 | ||
8e30bc55 JB |
4654 | ibss.beacon_interval = 100; |
4655 | ||
4656 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
4657 | ibss.beacon_interval = | |
4658 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
4659 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
4660 | return -EINVAL; | |
4661 | } | |
4662 | ||
4c476991 JB |
4663 | if (!rdev->ops->join_ibss) |
4664 | return -EOPNOTSUPP; | |
04a773ad | 4665 | |
4c476991 JB |
4666 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
4667 | return -EOPNOTSUPP; | |
04a773ad | 4668 | |
79c97e97 | 4669 | wiphy = &rdev->wiphy; |
04a773ad | 4670 | |
39193498 | 4671 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 4672 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
4673 | |
4674 | if (!is_valid_ether_addr(ibss.bssid)) | |
4675 | return -EINVAL; | |
4676 | } | |
04a773ad JB |
4677 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4678 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
4679 | ||
4680 | if (info->attrs[NL80211_ATTR_IE]) { | |
4681 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
4682 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4683 | } | |
4684 | ||
4685 | ibss.channel = ieee80211_get_channel(wiphy, | |
4686 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4687 | if (!ibss.channel || | |
4688 | ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || | |
4c476991 JB |
4689 | ibss.channel->flags & IEEE80211_CHAN_DISABLED) |
4690 | return -EINVAL; | |
04a773ad JB |
4691 | |
4692 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; | |
fffd0934 JB |
4693 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
4694 | ||
fbd2c8dc TP |
4695 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4696 | u8 *rates = | |
4697 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4698 | int n_rates = | |
4699 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4700 | struct ieee80211_supported_band *sband = | |
4701 | wiphy->bands[ibss.channel->band]; | |
34850ab2 | 4702 | int err; |
fbd2c8dc | 4703 | |
34850ab2 JB |
4704 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
4705 | &ibss.basic_rates); | |
4706 | if (err) | |
4707 | return err; | |
fbd2c8dc | 4708 | } |
dd5b4cc7 FF |
4709 | |
4710 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && | |
4711 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
4712 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
4713 | return -EINVAL; | |
fbd2c8dc | 4714 | |
4c476991 JB |
4715 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
4716 | connkeys = nl80211_parse_connkeys(rdev, | |
4717 | info->attrs[NL80211_ATTR_KEYS]); | |
4718 | if (IS_ERR(connkeys)) | |
4719 | return PTR_ERR(connkeys); | |
4720 | } | |
04a773ad | 4721 | |
4c476991 | 4722 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
4723 | if (err) |
4724 | kfree(connkeys); | |
04a773ad JB |
4725 | return err; |
4726 | } | |
4727 | ||
4728 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
4729 | { | |
4c476991 JB |
4730 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4731 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 4732 | |
4c476991 JB |
4733 | if (!rdev->ops->leave_ibss) |
4734 | return -EOPNOTSUPP; | |
04a773ad | 4735 | |
4c476991 JB |
4736 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
4737 | return -EOPNOTSUPP; | |
04a773ad | 4738 | |
4c476991 | 4739 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
4740 | } |
4741 | ||
aff89a9b JB |
4742 | #ifdef CONFIG_NL80211_TESTMODE |
4743 | static struct genl_multicast_group nl80211_testmode_mcgrp = { | |
4744 | .name = "testmode", | |
4745 | }; | |
4746 | ||
4747 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) | |
4748 | { | |
4c476991 | 4749 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
aff89a9b JB |
4750 | int err; |
4751 | ||
4752 | if (!info->attrs[NL80211_ATTR_TESTDATA]) | |
4753 | return -EINVAL; | |
4754 | ||
aff89a9b JB |
4755 | err = -EOPNOTSUPP; |
4756 | if (rdev->ops->testmode_cmd) { | |
4757 | rdev->testmode_info = info; | |
4758 | err = rdev->ops->testmode_cmd(&rdev->wiphy, | |
4759 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), | |
4760 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
4761 | rdev->testmode_info = NULL; | |
4762 | } | |
4763 | ||
aff89a9b JB |
4764 | return err; |
4765 | } | |
4766 | ||
71063f0e WYG |
4767 | static int nl80211_testmode_dump(struct sk_buff *skb, |
4768 | struct netlink_callback *cb) | |
4769 | { | |
4770 | struct cfg80211_registered_device *dev; | |
4771 | int err; | |
4772 | long phy_idx; | |
4773 | void *data = NULL; | |
4774 | int data_len = 0; | |
4775 | ||
4776 | if (cb->args[0]) { | |
4777 | /* | |
4778 | * 0 is a valid index, but not valid for args[0], | |
4779 | * so we need to offset by 1. | |
4780 | */ | |
4781 | phy_idx = cb->args[0] - 1; | |
4782 | } else { | |
4783 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
4784 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
4785 | nl80211_policy); | |
4786 | if (err) | |
4787 | return err; | |
4788 | if (!nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) | |
4789 | return -EINVAL; | |
4790 | phy_idx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]); | |
4791 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) | |
4792 | cb->args[1] = | |
4793 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
4794 | } | |
4795 | ||
4796 | if (cb->args[1]) { | |
4797 | data = nla_data((void *)cb->args[1]); | |
4798 | data_len = nla_len((void *)cb->args[1]); | |
4799 | } | |
4800 | ||
4801 | mutex_lock(&cfg80211_mutex); | |
4802 | dev = cfg80211_rdev_by_wiphy_idx(phy_idx); | |
4803 | if (!dev) { | |
4804 | mutex_unlock(&cfg80211_mutex); | |
4805 | return -ENOENT; | |
4806 | } | |
4807 | cfg80211_lock_rdev(dev); | |
4808 | mutex_unlock(&cfg80211_mutex); | |
4809 | ||
4810 | if (!dev->ops->testmode_dump) { | |
4811 | err = -EOPNOTSUPP; | |
4812 | goto out_err; | |
4813 | } | |
4814 | ||
4815 | while (1) { | |
4816 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid, | |
4817 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4818 | NL80211_CMD_TESTMODE); | |
4819 | struct nlattr *tmdata; | |
4820 | ||
4821 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, dev->wiphy_idx) < 0) { | |
4822 | genlmsg_cancel(skb, hdr); | |
4823 | break; | |
4824 | } | |
4825 | ||
4826 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
4827 | if (!tmdata) { | |
4828 | genlmsg_cancel(skb, hdr); | |
4829 | break; | |
4830 | } | |
4831 | err = dev->ops->testmode_dump(&dev->wiphy, skb, cb, | |
4832 | data, data_len); | |
4833 | nla_nest_end(skb, tmdata); | |
4834 | ||
4835 | if (err == -ENOBUFS || err == -ENOENT) { | |
4836 | genlmsg_cancel(skb, hdr); | |
4837 | break; | |
4838 | } else if (err) { | |
4839 | genlmsg_cancel(skb, hdr); | |
4840 | goto out_err; | |
4841 | } | |
4842 | ||
4843 | genlmsg_end(skb, hdr); | |
4844 | } | |
4845 | ||
4846 | err = skb->len; | |
4847 | /* see above */ | |
4848 | cb->args[0] = phy_idx + 1; | |
4849 | out_err: | |
4850 | cfg80211_unlock_rdev(dev); | |
4851 | return err; | |
4852 | } | |
4853 | ||
aff89a9b JB |
4854 | static struct sk_buff * |
4855 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
4856 | int approxlen, u32 pid, u32 seq, gfp_t gfp) | |
4857 | { | |
4858 | struct sk_buff *skb; | |
4859 | void *hdr; | |
4860 | struct nlattr *data; | |
4861 | ||
4862 | skb = nlmsg_new(approxlen + 100, gfp); | |
4863 | if (!skb) | |
4864 | return NULL; | |
4865 | ||
4866 | hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE); | |
4867 | if (!hdr) { | |
4868 | kfree_skb(skb); | |
4869 | return NULL; | |
4870 | } | |
4871 | ||
4872 | NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
4873 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
4874 | ||
4875 | ((void **)skb->cb)[0] = rdev; | |
4876 | ((void **)skb->cb)[1] = hdr; | |
4877 | ((void **)skb->cb)[2] = data; | |
4878 | ||
4879 | return skb; | |
4880 | ||
4881 | nla_put_failure: | |
4882 | kfree_skb(skb); | |
4883 | return NULL; | |
4884 | } | |
4885 | ||
4886 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
4887 | int approxlen) | |
4888 | { | |
4889 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
4890 | ||
4891 | if (WARN_ON(!rdev->testmode_info)) | |
4892 | return NULL; | |
4893 | ||
4894 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
4895 | rdev->testmode_info->snd_pid, | |
4896 | rdev->testmode_info->snd_seq, | |
4897 | GFP_KERNEL); | |
4898 | } | |
4899 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
4900 | ||
4901 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
4902 | { | |
4903 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
4904 | void *hdr = ((void **)skb->cb)[1]; | |
4905 | struct nlattr *data = ((void **)skb->cb)[2]; | |
4906 | ||
4907 | if (WARN_ON(!rdev->testmode_info)) { | |
4908 | kfree_skb(skb); | |
4909 | return -EINVAL; | |
4910 | } | |
4911 | ||
4912 | nla_nest_end(skb, data); | |
4913 | genlmsg_end(skb, hdr); | |
4914 | return genlmsg_reply(skb, rdev->testmode_info); | |
4915 | } | |
4916 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
4917 | ||
4918 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
4919 | int approxlen, gfp_t gfp) | |
4920 | { | |
4921 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
4922 | ||
4923 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
4924 | } | |
4925 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
4926 | ||
4927 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
4928 | { | |
4929 | void *hdr = ((void **)skb->cb)[1]; | |
4930 | struct nlattr *data = ((void **)skb->cb)[2]; | |
4931 | ||
4932 | nla_nest_end(skb, data); | |
4933 | genlmsg_end(skb, hdr); | |
4934 | genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp); | |
4935 | } | |
4936 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
4937 | #endif | |
4938 | ||
b23aa676 SO |
4939 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
4940 | { | |
4c476991 JB |
4941 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4942 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
4943 | struct cfg80211_connect_params connect; |
4944 | struct wiphy *wiphy; | |
fffd0934 | 4945 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
4946 | int err; |
4947 | ||
4948 | memset(&connect, 0, sizeof(connect)); | |
4949 | ||
4950 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
4951 | return -EINVAL; | |
4952 | ||
4953 | if (!info->attrs[NL80211_ATTR_SSID] || | |
4954 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
4955 | return -EINVAL; | |
4956 | ||
4957 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
4958 | connect.auth_type = | |
4959 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
4960 | if (!nl80211_valid_auth_type(connect.auth_type)) | |
4961 | return -EINVAL; | |
4962 | } else | |
4963 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
4964 | ||
4965 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
4966 | ||
c0692b8f | 4967 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 4968 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
4969 | if (err) |
4970 | return err; | |
b23aa676 | 4971 | |
074ac8df | 4972 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4973 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4974 | return -EOPNOTSUPP; | |
b23aa676 | 4975 | |
79c97e97 | 4976 | wiphy = &rdev->wiphy; |
b23aa676 | 4977 | |
b23aa676 SO |
4978 | if (info->attrs[NL80211_ATTR_MAC]) |
4979 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4980 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
4981 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
4982 | ||
4983 | if (info->attrs[NL80211_ATTR_IE]) { | |
4984 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
4985 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4986 | } | |
4987 | ||
4988 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
4989 | connect.channel = | |
4990 | ieee80211_get_channel(wiphy, | |
4991 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4992 | if (!connect.channel || | |
4c476991 JB |
4993 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
4994 | return -EINVAL; | |
b23aa676 SO |
4995 | } |
4996 | ||
fffd0934 JB |
4997 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
4998 | connkeys = nl80211_parse_connkeys(rdev, | |
4999 | info->attrs[NL80211_ATTR_KEYS]); | |
4c476991 JB |
5000 | if (IS_ERR(connkeys)) |
5001 | return PTR_ERR(connkeys); | |
fffd0934 JB |
5002 | } |
5003 | ||
7e7c8926 BG |
5004 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
5005 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
5006 | ||
5007 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
5008 | memcpy(&connect.ht_capa_mask, | |
5009 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
5010 | sizeof(connect.ht_capa_mask)); | |
5011 | ||
5012 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
5013 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
5014 | return -EINVAL; | |
5015 | memcpy(&connect.ht_capa, | |
5016 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
5017 | sizeof(connect.ht_capa)); | |
5018 | } | |
5019 | ||
fffd0934 | 5020 | err = cfg80211_connect(rdev, dev, &connect, connkeys); |
fffd0934 JB |
5021 | if (err) |
5022 | kfree(connkeys); | |
b23aa676 SO |
5023 | return err; |
5024 | } | |
5025 | ||
5026 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
5027 | { | |
4c476991 JB |
5028 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5029 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
5030 | u16 reason; |
5031 | ||
5032 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
5033 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
5034 | else | |
5035 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
5036 | ||
5037 | if (reason == 0) | |
5038 | return -EINVAL; | |
5039 | ||
074ac8df | 5040 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5041 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5042 | return -EOPNOTSUPP; | |
b23aa676 | 5043 | |
4c476991 | 5044 | return cfg80211_disconnect(rdev, dev, reason, true); |
b23aa676 SO |
5045 | } |
5046 | ||
463d0183 JB |
5047 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
5048 | { | |
4c476991 | 5049 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
5050 | struct net *net; |
5051 | int err; | |
5052 | u32 pid; | |
5053 | ||
5054 | if (!info->attrs[NL80211_ATTR_PID]) | |
5055 | return -EINVAL; | |
5056 | ||
5057 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
5058 | ||
463d0183 | 5059 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
5060 | if (IS_ERR(net)) |
5061 | return PTR_ERR(net); | |
463d0183 JB |
5062 | |
5063 | err = 0; | |
5064 | ||
5065 | /* check if anything to do */ | |
4c476991 JB |
5066 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
5067 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 5068 | |
463d0183 | 5069 | put_net(net); |
463d0183 JB |
5070 | return err; |
5071 | } | |
5072 | ||
67fbb16b SO |
5073 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
5074 | { | |
4c476991 | 5075 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
5076 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
5077 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 5078 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
5079 | struct cfg80211_pmksa pmksa; |
5080 | ||
5081 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
5082 | ||
5083 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5084 | return -EINVAL; | |
5085 | ||
5086 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
5087 | return -EINVAL; | |
5088 | ||
67fbb16b SO |
5089 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
5090 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5091 | ||
074ac8df | 5092 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5093 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5094 | return -EOPNOTSUPP; | |
67fbb16b SO |
5095 | |
5096 | switch (info->genlhdr->cmd) { | |
5097 | case NL80211_CMD_SET_PMKSA: | |
5098 | rdev_ops = rdev->ops->set_pmksa; | |
5099 | break; | |
5100 | case NL80211_CMD_DEL_PMKSA: | |
5101 | rdev_ops = rdev->ops->del_pmksa; | |
5102 | break; | |
5103 | default: | |
5104 | WARN_ON(1); | |
5105 | break; | |
5106 | } | |
5107 | ||
4c476991 JB |
5108 | if (!rdev_ops) |
5109 | return -EOPNOTSUPP; | |
67fbb16b | 5110 | |
4c476991 | 5111 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
5112 | } |
5113 | ||
5114 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
5115 | { | |
4c476991 JB |
5116 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5117 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 5118 | |
074ac8df | 5119 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5120 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5121 | return -EOPNOTSUPP; | |
67fbb16b | 5122 | |
4c476991 JB |
5123 | if (!rdev->ops->flush_pmksa) |
5124 | return -EOPNOTSUPP; | |
67fbb16b | 5125 | |
4c476991 | 5126 | return rdev->ops->flush_pmksa(&rdev->wiphy, dev); |
67fbb16b SO |
5127 | } |
5128 | ||
109086ce AN |
5129 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
5130 | { | |
5131 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5132 | struct net_device *dev = info->user_ptr[1]; | |
5133 | u8 action_code, dialog_token; | |
5134 | u16 status_code; | |
5135 | u8 *peer; | |
5136 | ||
5137 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
5138 | !rdev->ops->tdls_mgmt) | |
5139 | return -EOPNOTSUPP; | |
5140 | ||
5141 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
5142 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
5143 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
5144 | !info->attrs[NL80211_ATTR_IE] || | |
5145 | !info->attrs[NL80211_ATTR_MAC]) | |
5146 | return -EINVAL; | |
5147 | ||
5148 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5149 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
5150 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
5151 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
5152 | ||
5153 | return rdev->ops->tdls_mgmt(&rdev->wiphy, dev, peer, action_code, | |
5154 | dialog_token, status_code, | |
5155 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5156 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
5157 | } | |
5158 | ||
5159 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
5160 | { | |
5161 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5162 | struct net_device *dev = info->user_ptr[1]; | |
5163 | enum nl80211_tdls_operation operation; | |
5164 | u8 *peer; | |
5165 | ||
5166 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
5167 | !rdev->ops->tdls_oper) | |
5168 | return -EOPNOTSUPP; | |
5169 | ||
5170 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
5171 | !info->attrs[NL80211_ATTR_MAC]) | |
5172 | return -EINVAL; | |
5173 | ||
5174 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
5175 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5176 | ||
5177 | return rdev->ops->tdls_oper(&rdev->wiphy, dev, peer, operation); | |
5178 | } | |
5179 | ||
9588bbd5 JM |
5180 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
5181 | struct genl_info *info) | |
5182 | { | |
4c476991 JB |
5183 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5184 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 JM |
5185 | struct ieee80211_channel *chan; |
5186 | struct sk_buff *msg; | |
5187 | void *hdr; | |
5188 | u64 cookie; | |
5189 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
5190 | u32 freq, duration; | |
5191 | int err; | |
5192 | ||
5193 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5194 | !info->attrs[NL80211_ATTR_DURATION]) | |
5195 | return -EINVAL; | |
5196 | ||
5197 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
5198 | ||
5199 | /* | |
5200 | * We should be on that channel for at least one jiffie, | |
5201 | * and more than 5 seconds seems excessive. | |
5202 | */ | |
a293911d JB |
5203 | if (!duration || !msecs_to_jiffies(duration) || |
5204 | duration > rdev->wiphy.max_remain_on_channel_duration) | |
9588bbd5 JM |
5205 | return -EINVAL; |
5206 | ||
7c4ef712 JB |
5207 | if (!rdev->ops->remain_on_channel || |
5208 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
4c476991 | 5209 | return -EOPNOTSUPP; |
9588bbd5 | 5210 | |
9588bbd5 JM |
5211 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
5212 | channel_type = nla_get_u32( | |
5213 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
5214 | if (channel_type != NL80211_CHAN_NO_HT && | |
5215 | channel_type != NL80211_CHAN_HT20 && | |
5216 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
5217 | channel_type != NL80211_CHAN_HT40MINUS) |
5218 | return -EINVAL; | |
9588bbd5 JM |
5219 | } |
5220 | ||
5221 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
5222 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
5223 | if (chan == NULL) |
5224 | return -EINVAL; | |
9588bbd5 JM |
5225 | |
5226 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
5227 | if (!msg) |
5228 | return -ENOMEM; | |
9588bbd5 JM |
5229 | |
5230 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5231 | NL80211_CMD_REMAIN_ON_CHANNEL); | |
5232 | ||
5233 | if (IS_ERR(hdr)) { | |
5234 | err = PTR_ERR(hdr); | |
5235 | goto free_msg; | |
5236 | } | |
5237 | ||
5238 | err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan, | |
5239 | channel_type, duration, &cookie); | |
5240 | ||
5241 | if (err) | |
5242 | goto free_msg; | |
5243 | ||
5244 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
5245 | ||
5246 | genlmsg_end(msg, hdr); | |
4c476991 JB |
5247 | |
5248 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
5249 | |
5250 | nla_put_failure: | |
5251 | err = -ENOBUFS; | |
5252 | free_msg: | |
5253 | nlmsg_free(msg); | |
9588bbd5 JM |
5254 | return err; |
5255 | } | |
5256 | ||
5257 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
5258 | struct genl_info *info) | |
5259 | { | |
4c476991 JB |
5260 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5261 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 | 5262 | u64 cookie; |
9588bbd5 JM |
5263 | |
5264 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
5265 | return -EINVAL; | |
5266 | ||
4c476991 JB |
5267 | if (!rdev->ops->cancel_remain_on_channel) |
5268 | return -EOPNOTSUPP; | |
9588bbd5 | 5269 | |
9588bbd5 JM |
5270 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
5271 | ||
4c476991 | 5272 | return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); |
9588bbd5 JM |
5273 | } |
5274 | ||
13ae75b1 JM |
5275 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
5276 | u8 *rates, u8 rates_len) | |
5277 | { | |
5278 | u8 i; | |
5279 | u32 mask = 0; | |
5280 | ||
5281 | for (i = 0; i < rates_len; i++) { | |
5282 | int rate = (rates[i] & 0x7f) * 5; | |
5283 | int ridx; | |
5284 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
5285 | struct ieee80211_rate *srate = | |
5286 | &sband->bitrates[ridx]; | |
5287 | if (rate == srate->bitrate) { | |
5288 | mask |= 1 << ridx; | |
5289 | break; | |
5290 | } | |
5291 | } | |
5292 | if (ridx == sband->n_bitrates) | |
5293 | return 0; /* rate not found */ | |
5294 | } | |
5295 | ||
5296 | return mask; | |
5297 | } | |
5298 | ||
b54452b0 | 5299 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
5300 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
5301 | .len = NL80211_MAX_SUPP_RATES }, | |
5302 | }; | |
5303 | ||
5304 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
5305 | struct genl_info *info) | |
5306 | { | |
5307 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 5308 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 5309 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
5310 | int rem, i; |
5311 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
5312 | struct nlattr *tx_rates; |
5313 | struct ieee80211_supported_band *sband; | |
5314 | ||
5315 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
5316 | return -EINVAL; | |
5317 | ||
4c476991 JB |
5318 | if (!rdev->ops->set_bitrate_mask) |
5319 | return -EOPNOTSUPP; | |
13ae75b1 JM |
5320 | |
5321 | memset(&mask, 0, sizeof(mask)); | |
5322 | /* Default to all rates enabled */ | |
5323 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
5324 | sband = rdev->wiphy.bands[i]; | |
5325 | mask.control[i].legacy = | |
5326 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
5327 | } | |
5328 | ||
5329 | /* | |
5330 | * The nested attribute uses enum nl80211_band as the index. This maps | |
5331 | * directly to the enum ieee80211_band values used in cfg80211. | |
5332 | */ | |
5333 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) | |
5334 | { | |
5335 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
5336 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
5337 | return -EINVAL; | |
13ae75b1 | 5338 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
5339 | if (sband == NULL) |
5340 | return -EINVAL; | |
13ae75b1 JM |
5341 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
5342 | nla_len(tx_rates), nl80211_txattr_policy); | |
5343 | if (tb[NL80211_TXRATE_LEGACY]) { | |
5344 | mask.control[band].legacy = rateset_to_mask( | |
5345 | sband, | |
5346 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
5347 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
4c476991 JB |
5348 | if (mask.control[band].legacy == 0) |
5349 | return -EINVAL; | |
13ae75b1 JM |
5350 | } |
5351 | } | |
5352 | ||
4c476991 | 5353 | return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask); |
13ae75b1 JM |
5354 | } |
5355 | ||
2e161f78 | 5356 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 5357 | { |
4c476991 JB |
5358 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5359 | struct net_device *dev = info->user_ptr[1]; | |
2e161f78 | 5360 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
5361 | |
5362 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
5363 | return -EINVAL; | |
5364 | ||
2e161f78 JB |
5365 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
5366 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 5367 | |
9d38d85d | 5368 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 5369 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
5370 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
5371 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5372 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 5373 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5374 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5375 | return -EOPNOTSUPP; | |
026331c4 JM |
5376 | |
5377 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
5378 | if (!rdev->ops->mgmt_tx) |
5379 | return -EOPNOTSUPP; | |
026331c4 | 5380 | |
4c476991 | 5381 | return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid, |
2e161f78 | 5382 | frame_type, |
026331c4 JM |
5383 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
5384 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
5385 | } |
5386 | ||
2e161f78 | 5387 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 5388 | { |
4c476991 JB |
5389 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5390 | struct net_device *dev = info->user_ptr[1]; | |
026331c4 JM |
5391 | struct ieee80211_channel *chan; |
5392 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
252aa631 | 5393 | bool channel_type_valid = false; |
026331c4 JM |
5394 | u32 freq; |
5395 | int err; | |
d64d373f | 5396 | void *hdr = NULL; |
026331c4 | 5397 | u64 cookie; |
e247bd90 | 5398 | struct sk_buff *msg = NULL; |
f7ca38df | 5399 | unsigned int wait = 0; |
e247bd90 JB |
5400 | bool offchan, no_cck, dont_wait_for_ack; |
5401 | ||
5402 | dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; | |
026331c4 JM |
5403 | |
5404 | if (!info->attrs[NL80211_ATTR_FRAME] || | |
5405 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
5406 | return -EINVAL; | |
5407 | ||
4c476991 JB |
5408 | if (!rdev->ops->mgmt_tx) |
5409 | return -EOPNOTSUPP; | |
026331c4 | 5410 | |
9d38d85d | 5411 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 5412 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
5413 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
5414 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5415 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 5416 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5417 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5418 | return -EOPNOTSUPP; | |
026331c4 | 5419 | |
f7ca38df | 5420 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 5421 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df JB |
5422 | return -EINVAL; |
5423 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
5424 | } | |
5425 | ||
026331c4 JM |
5426 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
5427 | channel_type = nla_get_u32( | |
5428 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
5429 | if (channel_type != NL80211_CHAN_NO_HT && | |
5430 | channel_type != NL80211_CHAN_HT20 && | |
5431 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
5432 | channel_type != NL80211_CHAN_HT40MINUS) |
5433 | return -EINVAL; | |
252aa631 | 5434 | channel_type_valid = true; |
026331c4 JM |
5435 | } |
5436 | ||
f7ca38df JB |
5437 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
5438 | ||
7c4ef712 JB |
5439 | if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
5440 | return -EINVAL; | |
5441 | ||
e9f935e3 RM |
5442 | no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
5443 | ||
026331c4 JM |
5444 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); |
5445 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
5446 | if (chan == NULL) |
5447 | return -EINVAL; | |
026331c4 | 5448 | |
e247bd90 JB |
5449 | if (!dont_wait_for_ack) { |
5450 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5451 | if (!msg) | |
5452 | return -ENOMEM; | |
026331c4 | 5453 | |
e247bd90 JB |
5454 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
5455 | NL80211_CMD_FRAME); | |
026331c4 | 5456 | |
e247bd90 JB |
5457 | if (IS_ERR(hdr)) { |
5458 | err = PTR_ERR(hdr); | |
5459 | goto free_msg; | |
5460 | } | |
026331c4 | 5461 | } |
e247bd90 | 5462 | |
f7ca38df JB |
5463 | err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type, |
5464 | channel_type_valid, wait, | |
2e161f78 JB |
5465 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
5466 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
e247bd90 | 5467 | no_cck, dont_wait_for_ack, &cookie); |
026331c4 JM |
5468 | if (err) |
5469 | goto free_msg; | |
5470 | ||
e247bd90 JB |
5471 | if (msg) { |
5472 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
026331c4 | 5473 | |
e247bd90 JB |
5474 | genlmsg_end(msg, hdr); |
5475 | return genlmsg_reply(msg, info); | |
5476 | } | |
5477 | ||
5478 | return 0; | |
026331c4 JM |
5479 | |
5480 | nla_put_failure: | |
5481 | err = -ENOBUFS; | |
5482 | free_msg: | |
5483 | nlmsg_free(msg); | |
026331c4 JM |
5484 | return err; |
5485 | } | |
5486 | ||
f7ca38df JB |
5487 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
5488 | { | |
5489 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5490 | struct net_device *dev = info->user_ptr[1]; | |
5491 | u64 cookie; | |
5492 | ||
5493 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
5494 | return -EINVAL; | |
5495 | ||
5496 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
5497 | return -EOPNOTSUPP; | |
5498 | ||
5499 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && | |
5500 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
5501 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && | |
5502 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5503 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
5504 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5505 | return -EOPNOTSUPP; | |
5506 | ||
5507 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
5508 | ||
5509 | return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie); | |
5510 | } | |
5511 | ||
ffb9eb3d KV |
5512 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
5513 | { | |
4c476991 | 5514 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 5515 | struct wireless_dev *wdev; |
4c476991 | 5516 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
5517 | u8 ps_state; |
5518 | bool state; | |
5519 | int err; | |
5520 | ||
4c476991 JB |
5521 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
5522 | return -EINVAL; | |
ffb9eb3d KV |
5523 | |
5524 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
5525 | ||
4c476991 JB |
5526 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
5527 | return -EINVAL; | |
ffb9eb3d KV |
5528 | |
5529 | wdev = dev->ieee80211_ptr; | |
5530 | ||
4c476991 JB |
5531 | if (!rdev->ops->set_power_mgmt) |
5532 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
5533 | |
5534 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
5535 | ||
5536 | if (state == wdev->ps) | |
4c476991 | 5537 | return 0; |
ffb9eb3d | 5538 | |
4c476991 JB |
5539 | err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state, |
5540 | wdev->ps_timeout); | |
5541 | if (!err) | |
5542 | wdev->ps = state; | |
ffb9eb3d KV |
5543 | return err; |
5544 | } | |
5545 | ||
5546 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
5547 | { | |
4c476991 | 5548 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
5549 | enum nl80211_ps_state ps_state; |
5550 | struct wireless_dev *wdev; | |
4c476991 | 5551 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
5552 | struct sk_buff *msg; |
5553 | void *hdr; | |
5554 | int err; | |
5555 | ||
ffb9eb3d KV |
5556 | wdev = dev->ieee80211_ptr; |
5557 | ||
4c476991 JB |
5558 | if (!rdev->ops->set_power_mgmt) |
5559 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
5560 | |
5561 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
5562 | if (!msg) |
5563 | return -ENOMEM; | |
ffb9eb3d KV |
5564 | |
5565 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5566 | NL80211_CMD_GET_POWER_SAVE); | |
5567 | if (!hdr) { | |
4c476991 | 5568 | err = -ENOBUFS; |
ffb9eb3d KV |
5569 | goto free_msg; |
5570 | } | |
5571 | ||
5572 | if (wdev->ps) | |
5573 | ps_state = NL80211_PS_ENABLED; | |
5574 | else | |
5575 | ps_state = NL80211_PS_DISABLED; | |
5576 | ||
5577 | NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state); | |
5578 | ||
5579 | genlmsg_end(msg, hdr); | |
4c476991 | 5580 | return genlmsg_reply(msg, info); |
ffb9eb3d | 5581 | |
4c476991 | 5582 | nla_put_failure: |
ffb9eb3d | 5583 | err = -ENOBUFS; |
4c476991 | 5584 | free_msg: |
ffb9eb3d | 5585 | nlmsg_free(msg); |
ffb9eb3d KV |
5586 | return err; |
5587 | } | |
5588 | ||
d6dc1a38 JO |
5589 | static struct nla_policy |
5590 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
5591 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
5592 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
5593 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
5594 | }; | |
5595 | ||
5596 | static int nl80211_set_cqm_rssi(struct genl_info *info, | |
5597 | s32 threshold, u32 hysteresis) | |
5598 | { | |
4c476991 | 5599 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
d6dc1a38 | 5600 | struct wireless_dev *wdev; |
4c476991 | 5601 | struct net_device *dev = info->user_ptr[1]; |
d6dc1a38 JO |
5602 | |
5603 | if (threshold > 0) | |
5604 | return -EINVAL; | |
5605 | ||
d6dc1a38 JO |
5606 | wdev = dev->ieee80211_ptr; |
5607 | ||
4c476991 JB |
5608 | if (!rdev->ops->set_cqm_rssi_config) |
5609 | return -EOPNOTSUPP; | |
d6dc1a38 | 5610 | |
074ac8df | 5611 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5612 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5613 | return -EOPNOTSUPP; | |
d6dc1a38 | 5614 | |
4c476991 JB |
5615 | return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev, |
5616 | threshold, hysteresis); | |
d6dc1a38 JO |
5617 | } |
5618 | ||
5619 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
5620 | { | |
5621 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
5622 | struct nlattr *cqm; | |
5623 | int err; | |
5624 | ||
5625 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
5626 | if (!cqm) { | |
5627 | err = -EINVAL; | |
5628 | goto out; | |
5629 | } | |
5630 | ||
5631 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
5632 | nl80211_attr_cqm_policy); | |
5633 | if (err) | |
5634 | goto out; | |
5635 | ||
5636 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
5637 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
5638 | s32 threshold; | |
5639 | u32 hysteresis; | |
5640 | threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
5641 | hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
5642 | err = nl80211_set_cqm_rssi(info, threshold, hysteresis); | |
5643 | } else | |
5644 | err = -EINVAL; | |
5645 | ||
5646 | out: | |
5647 | return err; | |
5648 | } | |
5649 | ||
29cbe68c JB |
5650 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
5651 | { | |
5652 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5653 | struct net_device *dev = info->user_ptr[1]; | |
5654 | struct mesh_config cfg; | |
c80d545d | 5655 | struct mesh_setup setup; |
29cbe68c JB |
5656 | int err; |
5657 | ||
5658 | /* start with default */ | |
5659 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 5660 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 5661 | |
24bdd9f4 | 5662 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 5663 | /* and parse parameters if given */ |
24bdd9f4 | 5664 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
5665 | if (err) |
5666 | return err; | |
5667 | } | |
5668 | ||
5669 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
5670 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
5671 | return -EINVAL; | |
5672 | ||
c80d545d JC |
5673 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
5674 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
5675 | ||
4bb62344 CYY |
5676 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
5677 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
5678 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
5679 | return -EINVAL; | |
5680 | ||
c80d545d JC |
5681 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
5682 | /* parse additional setup parameters if given */ | |
5683 | err = nl80211_parse_mesh_setup(info, &setup); | |
5684 | if (err) | |
5685 | return err; | |
5686 | } | |
5687 | ||
5688 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); | |
29cbe68c JB |
5689 | } |
5690 | ||
5691 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
5692 | { | |
5693 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5694 | struct net_device *dev = info->user_ptr[1]; | |
5695 | ||
5696 | return cfg80211_leave_mesh(rdev, dev); | |
5697 | } | |
5698 | ||
ff1b6e69 JB |
5699 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
5700 | { | |
5701 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5702 | struct sk_buff *msg; | |
5703 | void *hdr; | |
5704 | ||
5705 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
5706 | return -EOPNOTSUPP; | |
5707 | ||
5708 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5709 | if (!msg) | |
5710 | return -ENOMEM; | |
5711 | ||
5712 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5713 | NL80211_CMD_GET_WOWLAN); | |
5714 | if (!hdr) | |
5715 | goto nla_put_failure; | |
5716 | ||
5717 | if (rdev->wowlan) { | |
5718 | struct nlattr *nl_wowlan; | |
5719 | ||
5720 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
5721 | if (!nl_wowlan) | |
5722 | goto nla_put_failure; | |
5723 | ||
5724 | if (rdev->wowlan->any) | |
5725 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
5726 | if (rdev->wowlan->disconnect) | |
5727 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
5728 | if (rdev->wowlan->magic_pkt) | |
5729 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
77dbbb13 JB |
5730 | if (rdev->wowlan->gtk_rekey_failure) |
5731 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
5732 | if (rdev->wowlan->eap_identity_req) | |
5733 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
5734 | if (rdev->wowlan->four_way_handshake) | |
5735 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
5736 | if (rdev->wowlan->rfkill_release) | |
5737 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
ff1b6e69 JB |
5738 | if (rdev->wowlan->n_patterns) { |
5739 | struct nlattr *nl_pats, *nl_pat; | |
5740 | int i, pat_len; | |
5741 | ||
5742 | nl_pats = nla_nest_start(msg, | |
5743 | NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
5744 | if (!nl_pats) | |
5745 | goto nla_put_failure; | |
5746 | ||
5747 | for (i = 0; i < rdev->wowlan->n_patterns; i++) { | |
5748 | nl_pat = nla_nest_start(msg, i + 1); | |
5749 | if (!nl_pat) | |
5750 | goto nla_put_failure; | |
5751 | pat_len = rdev->wowlan->patterns[i].pattern_len; | |
5752 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK, | |
5753 | DIV_ROUND_UP(pat_len, 8), | |
5754 | rdev->wowlan->patterns[i].mask); | |
5755 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN, | |
5756 | pat_len, | |
5757 | rdev->wowlan->patterns[i].pattern); | |
5758 | nla_nest_end(msg, nl_pat); | |
5759 | } | |
5760 | nla_nest_end(msg, nl_pats); | |
5761 | } | |
5762 | ||
5763 | nla_nest_end(msg, nl_wowlan); | |
5764 | } | |
5765 | ||
5766 | genlmsg_end(msg, hdr); | |
5767 | return genlmsg_reply(msg, info); | |
5768 | ||
5769 | nla_put_failure: | |
5770 | nlmsg_free(msg); | |
5771 | return -ENOBUFS; | |
5772 | } | |
5773 | ||
5774 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) | |
5775 | { | |
5776 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5777 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
5778 | struct cfg80211_wowlan no_triggers = {}; | |
5779 | struct cfg80211_wowlan new_triggers = {}; | |
5780 | struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; | |
5781 | int err, i; | |
5782 | ||
5783 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
5784 | return -EOPNOTSUPP; | |
5785 | ||
5786 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) | |
5787 | goto no_triggers; | |
5788 | ||
5789 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
5790 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
5791 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
5792 | nl80211_wowlan_policy); | |
5793 | if (err) | |
5794 | return err; | |
5795 | ||
5796 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
5797 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
5798 | return -EINVAL; | |
5799 | new_triggers.any = true; | |
5800 | } | |
5801 | ||
5802 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
5803 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
5804 | return -EINVAL; | |
5805 | new_triggers.disconnect = true; | |
5806 | } | |
5807 | ||
5808 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
5809 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
5810 | return -EINVAL; | |
5811 | new_triggers.magic_pkt = true; | |
5812 | } | |
5813 | ||
77dbbb13 JB |
5814 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
5815 | return -EINVAL; | |
5816 | ||
5817 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
5818 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
5819 | return -EINVAL; | |
5820 | new_triggers.gtk_rekey_failure = true; | |
5821 | } | |
5822 | ||
5823 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
5824 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
5825 | return -EINVAL; | |
5826 | new_triggers.eap_identity_req = true; | |
5827 | } | |
5828 | ||
5829 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
5830 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
5831 | return -EINVAL; | |
5832 | new_triggers.four_way_handshake = true; | |
5833 | } | |
5834 | ||
5835 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
5836 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
5837 | return -EINVAL; | |
5838 | new_triggers.rfkill_release = true; | |
5839 | } | |
5840 | ||
ff1b6e69 JB |
5841 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
5842 | struct nlattr *pat; | |
5843 | int n_patterns = 0; | |
5844 | int rem, pat_len, mask_len; | |
5845 | struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; | |
5846 | ||
5847 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
5848 | rem) | |
5849 | n_patterns++; | |
5850 | if (n_patterns > wowlan->n_patterns) | |
5851 | return -EINVAL; | |
5852 | ||
5853 | new_triggers.patterns = kcalloc(n_patterns, | |
5854 | sizeof(new_triggers.patterns[0]), | |
5855 | GFP_KERNEL); | |
5856 | if (!new_triggers.patterns) | |
5857 | return -ENOMEM; | |
5858 | ||
5859 | new_triggers.n_patterns = n_patterns; | |
5860 | i = 0; | |
5861 | ||
5862 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
5863 | rem) { | |
5864 | nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT, | |
5865 | nla_data(pat), nla_len(pat), NULL); | |
5866 | err = -EINVAL; | |
5867 | if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] || | |
5868 | !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]) | |
5869 | goto error; | |
5870 | pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]); | |
5871 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
5872 | if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) != | |
5873 | mask_len) | |
5874 | goto error; | |
5875 | if (pat_len > wowlan->pattern_max_len || | |
5876 | pat_len < wowlan->pattern_min_len) | |
5877 | goto error; | |
5878 | ||
5879 | new_triggers.patterns[i].mask = | |
5880 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
5881 | if (!new_triggers.patterns[i].mask) { | |
5882 | err = -ENOMEM; | |
5883 | goto error; | |
5884 | } | |
5885 | new_triggers.patterns[i].pattern = | |
5886 | new_triggers.patterns[i].mask + mask_len; | |
5887 | memcpy(new_triggers.patterns[i].mask, | |
5888 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]), | |
5889 | mask_len); | |
5890 | new_triggers.patterns[i].pattern_len = pat_len; | |
5891 | memcpy(new_triggers.patterns[i].pattern, | |
5892 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]), | |
5893 | pat_len); | |
5894 | i++; | |
5895 | } | |
5896 | } | |
5897 | ||
5898 | if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) { | |
5899 | struct cfg80211_wowlan *ntrig; | |
5900 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), | |
5901 | GFP_KERNEL); | |
5902 | if (!ntrig) { | |
5903 | err = -ENOMEM; | |
5904 | goto error; | |
5905 | } | |
5906 | cfg80211_rdev_free_wowlan(rdev); | |
5907 | rdev->wowlan = ntrig; | |
5908 | } else { | |
5909 | no_triggers: | |
5910 | cfg80211_rdev_free_wowlan(rdev); | |
5911 | rdev->wowlan = NULL; | |
5912 | } | |
5913 | ||
5914 | return 0; | |
5915 | error: | |
5916 | for (i = 0; i < new_triggers.n_patterns; i++) | |
5917 | kfree(new_triggers.patterns[i].mask); | |
5918 | kfree(new_triggers.patterns); | |
5919 | return err; | |
5920 | } | |
5921 | ||
e5497d76 JB |
5922 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
5923 | { | |
5924 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5925 | struct net_device *dev = info->user_ptr[1]; | |
5926 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5927 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
5928 | struct cfg80211_gtk_rekey_data rekey_data; | |
5929 | int err; | |
5930 | ||
5931 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
5932 | return -EINVAL; | |
5933 | ||
5934 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
5935 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
5936 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
5937 | nl80211_rekey_policy); | |
5938 | if (err) | |
5939 | return err; | |
5940 | ||
5941 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
5942 | return -ERANGE; | |
5943 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
5944 | return -ERANGE; | |
5945 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
5946 | return -ERANGE; | |
5947 | ||
5948 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
5949 | NL80211_KEK_LEN); | |
5950 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
5951 | NL80211_KCK_LEN); | |
5952 | memcpy(rekey_data.replay_ctr, | |
5953 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
5954 | NL80211_REPLAY_CTR_LEN); | |
5955 | ||
5956 | wdev_lock(wdev); | |
5957 | if (!wdev->current_bss) { | |
5958 | err = -ENOTCONN; | |
5959 | goto out; | |
5960 | } | |
5961 | ||
5962 | if (!rdev->ops->set_rekey_data) { | |
5963 | err = -EOPNOTSUPP; | |
5964 | goto out; | |
5965 | } | |
5966 | ||
5967 | err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data); | |
5968 | out: | |
5969 | wdev_unlock(wdev); | |
5970 | return err; | |
5971 | } | |
5972 | ||
28946da7 JB |
5973 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
5974 | struct genl_info *info) | |
5975 | { | |
5976 | struct net_device *dev = info->user_ptr[1]; | |
5977 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5978 | ||
5979 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
5980 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
5981 | return -EINVAL; | |
5982 | ||
5983 | if (wdev->ap_unexpected_nlpid) | |
5984 | return -EBUSY; | |
5985 | ||
5986 | wdev->ap_unexpected_nlpid = info->snd_pid; | |
5987 | return 0; | |
5988 | } | |
5989 | ||
7f6cf311 JB |
5990 | static int nl80211_probe_client(struct sk_buff *skb, |
5991 | struct genl_info *info) | |
5992 | { | |
5993 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5994 | struct net_device *dev = info->user_ptr[1]; | |
5995 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5996 | struct sk_buff *msg; | |
5997 | void *hdr; | |
5998 | const u8 *addr; | |
5999 | u64 cookie; | |
6000 | int err; | |
6001 | ||
6002 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
6003 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
6004 | return -EOPNOTSUPP; | |
6005 | ||
6006 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6007 | return -EINVAL; | |
6008 | ||
6009 | if (!rdev->ops->probe_client) | |
6010 | return -EOPNOTSUPP; | |
6011 | ||
6012 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6013 | if (!msg) | |
6014 | return -ENOMEM; | |
6015 | ||
6016 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
6017 | NL80211_CMD_PROBE_CLIENT); | |
6018 | ||
6019 | if (IS_ERR(hdr)) { | |
6020 | err = PTR_ERR(hdr); | |
6021 | goto free_msg; | |
6022 | } | |
6023 | ||
6024 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6025 | ||
6026 | err = rdev->ops->probe_client(&rdev->wiphy, dev, addr, &cookie); | |
6027 | if (err) | |
6028 | goto free_msg; | |
6029 | ||
6030 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
6031 | ||
6032 | genlmsg_end(msg, hdr); | |
6033 | ||
6034 | return genlmsg_reply(msg, info); | |
6035 | ||
6036 | nla_put_failure: | |
6037 | err = -ENOBUFS; | |
6038 | free_msg: | |
6039 | nlmsg_free(msg); | |
6040 | return err; | |
6041 | } | |
6042 | ||
5e760230 JB |
6043 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
6044 | { | |
6045 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6046 | ||
6047 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
6048 | return -EOPNOTSUPP; | |
6049 | ||
6050 | if (rdev->ap_beacons_nlpid) | |
6051 | return -EBUSY; | |
6052 | ||
6053 | rdev->ap_beacons_nlpid = info->snd_pid; | |
6054 | ||
6055 | return 0; | |
6056 | } | |
6057 | ||
4c476991 JB |
6058 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
6059 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
6060 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
6061 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
6062 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
6063 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 JB |
6064 | |
6065 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, | |
6066 | struct genl_info *info) | |
6067 | { | |
6068 | struct cfg80211_registered_device *rdev; | |
6069 | struct net_device *dev; | |
6070 | int err; | |
6071 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; | |
6072 | ||
6073 | if (rtnl) | |
6074 | rtnl_lock(); | |
6075 | ||
6076 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
6077 | rdev = cfg80211_get_dev_from_info(info); | |
6078 | if (IS_ERR(rdev)) { | |
6079 | if (rtnl) | |
6080 | rtnl_unlock(); | |
6081 | return PTR_ERR(rdev); | |
6082 | } | |
6083 | info->user_ptr[0] = rdev; | |
6084 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { | |
6085 | err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); | |
6086 | if (err) { | |
6087 | if (rtnl) | |
6088 | rtnl_unlock(); | |
6089 | return err; | |
6090 | } | |
41265714 JB |
6091 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
6092 | !netif_running(dev)) { | |
d537f5fd JB |
6093 | cfg80211_unlock_rdev(rdev); |
6094 | dev_put(dev); | |
41265714 JB |
6095 | if (rtnl) |
6096 | rtnl_unlock(); | |
6097 | return -ENETDOWN; | |
6098 | } | |
4c476991 JB |
6099 | info->user_ptr[0] = rdev; |
6100 | info->user_ptr[1] = dev; | |
6101 | } | |
6102 | ||
6103 | return 0; | |
6104 | } | |
6105 | ||
6106 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
6107 | struct genl_info *info) | |
6108 | { | |
6109 | if (info->user_ptr[0]) | |
6110 | cfg80211_unlock_rdev(info->user_ptr[0]); | |
6111 | if (info->user_ptr[1]) | |
6112 | dev_put(info->user_ptr[1]); | |
6113 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) | |
6114 | rtnl_unlock(); | |
6115 | } | |
6116 | ||
55682965 JB |
6117 | static struct genl_ops nl80211_ops[] = { |
6118 | { | |
6119 | .cmd = NL80211_CMD_GET_WIPHY, | |
6120 | .doit = nl80211_get_wiphy, | |
6121 | .dumpit = nl80211_dump_wiphy, | |
6122 | .policy = nl80211_policy, | |
6123 | /* can be retrieved by unprivileged users */ | |
4c476991 | 6124 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
55682965 JB |
6125 | }, |
6126 | { | |
6127 | .cmd = NL80211_CMD_SET_WIPHY, | |
6128 | .doit = nl80211_set_wiphy, | |
6129 | .policy = nl80211_policy, | |
6130 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 6131 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
6132 | }, |
6133 | { | |
6134 | .cmd = NL80211_CMD_GET_INTERFACE, | |
6135 | .doit = nl80211_get_interface, | |
6136 | .dumpit = nl80211_dump_interface, | |
6137 | .policy = nl80211_policy, | |
6138 | /* can be retrieved by unprivileged users */ | |
4c476991 | 6139 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
55682965 JB |
6140 | }, |
6141 | { | |
6142 | .cmd = NL80211_CMD_SET_INTERFACE, | |
6143 | .doit = nl80211_set_interface, | |
6144 | .policy = nl80211_policy, | |
6145 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6146 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6147 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
6148 | }, |
6149 | { | |
6150 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
6151 | .doit = nl80211_new_interface, | |
6152 | .policy = nl80211_policy, | |
6153 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6154 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6155 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
6156 | }, |
6157 | { | |
6158 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
6159 | .doit = nl80211_del_interface, | |
6160 | .policy = nl80211_policy, | |
41ade00f | 6161 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
6162 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6163 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
6164 | }, |
6165 | { | |
6166 | .cmd = NL80211_CMD_GET_KEY, | |
6167 | .doit = nl80211_get_key, | |
6168 | .policy = nl80211_policy, | |
6169 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6170 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6171 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
6172 | }, |
6173 | { | |
6174 | .cmd = NL80211_CMD_SET_KEY, | |
6175 | .doit = nl80211_set_key, | |
6176 | .policy = nl80211_policy, | |
6177 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6178 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6179 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
6180 | }, |
6181 | { | |
6182 | .cmd = NL80211_CMD_NEW_KEY, | |
6183 | .doit = nl80211_new_key, | |
6184 | .policy = nl80211_policy, | |
6185 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6186 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6187 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
6188 | }, |
6189 | { | |
6190 | .cmd = NL80211_CMD_DEL_KEY, | |
6191 | .doit = nl80211_del_key, | |
6192 | .policy = nl80211_policy, | |
55682965 | 6193 | .flags = GENL_ADMIN_PERM, |
41265714 | 6194 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6195 | NL80211_FLAG_NEED_RTNL, |
55682965 | 6196 | }, |
ed1b6cc7 JB |
6197 | { |
6198 | .cmd = NL80211_CMD_SET_BEACON, | |
6199 | .policy = nl80211_policy, | |
6200 | .flags = GENL_ADMIN_PERM, | |
6201 | .doit = nl80211_addset_beacon, | |
4c476991 JB |
6202 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6203 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
6204 | }, |
6205 | { | |
6206 | .cmd = NL80211_CMD_NEW_BEACON, | |
6207 | .policy = nl80211_policy, | |
6208 | .flags = GENL_ADMIN_PERM, | |
6209 | .doit = nl80211_addset_beacon, | |
4c476991 JB |
6210 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6211 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
6212 | }, |
6213 | { | |
6214 | .cmd = NL80211_CMD_DEL_BEACON, | |
6215 | .policy = nl80211_policy, | |
6216 | .flags = GENL_ADMIN_PERM, | |
6217 | .doit = nl80211_del_beacon, | |
4c476991 JB |
6218 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6219 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 | 6220 | }, |
5727ef1b JB |
6221 | { |
6222 | .cmd = NL80211_CMD_GET_STATION, | |
6223 | .doit = nl80211_get_station, | |
2ec600d6 | 6224 | .dumpit = nl80211_dump_station, |
5727ef1b | 6225 | .policy = nl80211_policy, |
4c476991 JB |
6226 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6227 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
6228 | }, |
6229 | { | |
6230 | .cmd = NL80211_CMD_SET_STATION, | |
6231 | .doit = nl80211_set_station, | |
6232 | .policy = nl80211_policy, | |
6233 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6234 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6235 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
6236 | }, |
6237 | { | |
6238 | .cmd = NL80211_CMD_NEW_STATION, | |
6239 | .doit = nl80211_new_station, | |
6240 | .policy = nl80211_policy, | |
6241 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6242 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6243 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
6244 | }, |
6245 | { | |
6246 | .cmd = NL80211_CMD_DEL_STATION, | |
6247 | .doit = nl80211_del_station, | |
6248 | .policy = nl80211_policy, | |
2ec600d6 | 6249 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
6250 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6251 | NL80211_FLAG_NEED_RTNL, | |
2ec600d6 LCC |
6252 | }, |
6253 | { | |
6254 | .cmd = NL80211_CMD_GET_MPATH, | |
6255 | .doit = nl80211_get_mpath, | |
6256 | .dumpit = nl80211_dump_mpath, | |
6257 | .policy = nl80211_policy, | |
6258 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6259 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6260 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
6261 | }, |
6262 | { | |
6263 | .cmd = NL80211_CMD_SET_MPATH, | |
6264 | .doit = nl80211_set_mpath, | |
6265 | .policy = nl80211_policy, | |
6266 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6267 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6268 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
6269 | }, |
6270 | { | |
6271 | .cmd = NL80211_CMD_NEW_MPATH, | |
6272 | .doit = nl80211_new_mpath, | |
6273 | .policy = nl80211_policy, | |
6274 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6275 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6276 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
6277 | }, |
6278 | { | |
6279 | .cmd = NL80211_CMD_DEL_MPATH, | |
6280 | .doit = nl80211_del_mpath, | |
6281 | .policy = nl80211_policy, | |
9f1ba906 | 6282 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
6283 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6284 | NL80211_FLAG_NEED_RTNL, | |
9f1ba906 JM |
6285 | }, |
6286 | { | |
6287 | .cmd = NL80211_CMD_SET_BSS, | |
6288 | .doit = nl80211_set_bss, | |
6289 | .policy = nl80211_policy, | |
b2e1b302 | 6290 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
6291 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6292 | NL80211_FLAG_NEED_RTNL, | |
b2e1b302 | 6293 | }, |
f130347c LR |
6294 | { |
6295 | .cmd = NL80211_CMD_GET_REG, | |
6296 | .doit = nl80211_get_reg, | |
6297 | .policy = nl80211_policy, | |
6298 | /* can be retrieved by unprivileged users */ | |
6299 | }, | |
b2e1b302 LR |
6300 | { |
6301 | .cmd = NL80211_CMD_SET_REG, | |
6302 | .doit = nl80211_set_reg, | |
6303 | .policy = nl80211_policy, | |
6304 | .flags = GENL_ADMIN_PERM, | |
6305 | }, | |
6306 | { | |
6307 | .cmd = NL80211_CMD_REQ_SET_REG, | |
6308 | .doit = nl80211_req_set_reg, | |
6309 | .policy = nl80211_policy, | |
93da9cc1 | 6310 | .flags = GENL_ADMIN_PERM, |
6311 | }, | |
6312 | { | |
24bdd9f4 JC |
6313 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
6314 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 6315 | .policy = nl80211_policy, |
6316 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
6317 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6318 | NL80211_FLAG_NEED_RTNL, | |
93da9cc1 | 6319 | }, |
6320 | { | |
24bdd9f4 JC |
6321 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
6322 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 6323 | .policy = nl80211_policy, |
9aed3cc1 | 6324 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 6325 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6326 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 6327 | }, |
2a519311 JB |
6328 | { |
6329 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
6330 | .doit = nl80211_trigger_scan, | |
6331 | .policy = nl80211_policy, | |
6332 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6333 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6334 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
6335 | }, |
6336 | { | |
6337 | .cmd = NL80211_CMD_GET_SCAN, | |
6338 | .policy = nl80211_policy, | |
6339 | .dumpit = nl80211_dump_scan, | |
6340 | }, | |
807f8a8c LC |
6341 | { |
6342 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
6343 | .doit = nl80211_start_sched_scan, | |
6344 | .policy = nl80211_policy, | |
6345 | .flags = GENL_ADMIN_PERM, | |
6346 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6347 | NL80211_FLAG_NEED_RTNL, | |
6348 | }, | |
6349 | { | |
6350 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
6351 | .doit = nl80211_stop_sched_scan, | |
6352 | .policy = nl80211_policy, | |
6353 | .flags = GENL_ADMIN_PERM, | |
6354 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6355 | NL80211_FLAG_NEED_RTNL, | |
6356 | }, | |
636a5d36 JM |
6357 | { |
6358 | .cmd = NL80211_CMD_AUTHENTICATE, | |
6359 | .doit = nl80211_authenticate, | |
6360 | .policy = nl80211_policy, | |
6361 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6362 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6363 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
6364 | }, |
6365 | { | |
6366 | .cmd = NL80211_CMD_ASSOCIATE, | |
6367 | .doit = nl80211_associate, | |
6368 | .policy = nl80211_policy, | |
6369 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6370 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6371 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
6372 | }, |
6373 | { | |
6374 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
6375 | .doit = nl80211_deauthenticate, | |
6376 | .policy = nl80211_policy, | |
6377 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6378 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6379 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
6380 | }, |
6381 | { | |
6382 | .cmd = NL80211_CMD_DISASSOCIATE, | |
6383 | .doit = nl80211_disassociate, | |
6384 | .policy = nl80211_policy, | |
6385 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6386 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6387 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 6388 | }, |
04a773ad JB |
6389 | { |
6390 | .cmd = NL80211_CMD_JOIN_IBSS, | |
6391 | .doit = nl80211_join_ibss, | |
6392 | .policy = nl80211_policy, | |
6393 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6394 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6395 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
6396 | }, |
6397 | { | |
6398 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
6399 | .doit = nl80211_leave_ibss, | |
6400 | .policy = nl80211_policy, | |
6401 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6402 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6403 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 6404 | }, |
aff89a9b JB |
6405 | #ifdef CONFIG_NL80211_TESTMODE |
6406 | { | |
6407 | .cmd = NL80211_CMD_TESTMODE, | |
6408 | .doit = nl80211_testmode_do, | |
71063f0e | 6409 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
6410 | .policy = nl80211_policy, |
6411 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6412 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6413 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
6414 | }, |
6415 | #endif | |
b23aa676 SO |
6416 | { |
6417 | .cmd = NL80211_CMD_CONNECT, | |
6418 | .doit = nl80211_connect, | |
6419 | .policy = nl80211_policy, | |
6420 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6421 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6422 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
6423 | }, |
6424 | { | |
6425 | .cmd = NL80211_CMD_DISCONNECT, | |
6426 | .doit = nl80211_disconnect, | |
6427 | .policy = nl80211_policy, | |
6428 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6429 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6430 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 6431 | }, |
463d0183 JB |
6432 | { |
6433 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
6434 | .doit = nl80211_wiphy_netns, | |
6435 | .policy = nl80211_policy, | |
6436 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6437 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6438 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 6439 | }, |
61fa713c HS |
6440 | { |
6441 | .cmd = NL80211_CMD_GET_SURVEY, | |
6442 | .policy = nl80211_policy, | |
6443 | .dumpit = nl80211_dump_survey, | |
6444 | }, | |
67fbb16b SO |
6445 | { |
6446 | .cmd = NL80211_CMD_SET_PMKSA, | |
6447 | .doit = nl80211_setdel_pmksa, | |
6448 | .policy = nl80211_policy, | |
6449 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6450 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6451 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
6452 | }, |
6453 | { | |
6454 | .cmd = NL80211_CMD_DEL_PMKSA, | |
6455 | .doit = nl80211_setdel_pmksa, | |
6456 | .policy = nl80211_policy, | |
6457 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6458 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6459 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
6460 | }, |
6461 | { | |
6462 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
6463 | .doit = nl80211_flush_pmksa, | |
6464 | .policy = nl80211_policy, | |
6465 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6466 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6467 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b | 6468 | }, |
9588bbd5 JM |
6469 | { |
6470 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
6471 | .doit = nl80211_remain_on_channel, | |
6472 | .policy = nl80211_policy, | |
6473 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6474 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6475 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
6476 | }, |
6477 | { | |
6478 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
6479 | .doit = nl80211_cancel_remain_on_channel, | |
6480 | .policy = nl80211_policy, | |
6481 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6482 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6483 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 6484 | }, |
13ae75b1 JM |
6485 | { |
6486 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
6487 | .doit = nl80211_set_tx_bitrate_mask, | |
6488 | .policy = nl80211_policy, | |
6489 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6490 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6491 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 6492 | }, |
026331c4 | 6493 | { |
2e161f78 JB |
6494 | .cmd = NL80211_CMD_REGISTER_FRAME, |
6495 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
6496 | .policy = nl80211_policy, |
6497 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6498 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6499 | NL80211_FLAG_NEED_RTNL, | |
026331c4 JM |
6500 | }, |
6501 | { | |
2e161f78 JB |
6502 | .cmd = NL80211_CMD_FRAME, |
6503 | .doit = nl80211_tx_mgmt, | |
026331c4 | 6504 | .policy = nl80211_policy, |
f7ca38df JB |
6505 | .flags = GENL_ADMIN_PERM, |
6506 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6507 | NL80211_FLAG_NEED_RTNL, | |
6508 | }, | |
6509 | { | |
6510 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
6511 | .doit = nl80211_tx_mgmt_cancel_wait, | |
6512 | .policy = nl80211_policy, | |
026331c4 | 6513 | .flags = GENL_ADMIN_PERM, |
41265714 | 6514 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6515 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 6516 | }, |
ffb9eb3d KV |
6517 | { |
6518 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
6519 | .doit = nl80211_set_power_save, | |
6520 | .policy = nl80211_policy, | |
6521 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6522 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6523 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
6524 | }, |
6525 | { | |
6526 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
6527 | .doit = nl80211_get_power_save, | |
6528 | .policy = nl80211_policy, | |
6529 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
6530 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6531 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 6532 | }, |
d6dc1a38 JO |
6533 | { |
6534 | .cmd = NL80211_CMD_SET_CQM, | |
6535 | .doit = nl80211_set_cqm, | |
6536 | .policy = nl80211_policy, | |
6537 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6538 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6539 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 6540 | }, |
f444de05 JB |
6541 | { |
6542 | .cmd = NL80211_CMD_SET_CHANNEL, | |
6543 | .doit = nl80211_set_channel, | |
6544 | .policy = nl80211_policy, | |
6545 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6546 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6547 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 6548 | }, |
e8347eba BJ |
6549 | { |
6550 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
6551 | .doit = nl80211_set_wds_peer, | |
6552 | .policy = nl80211_policy, | |
6553 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
6554 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6555 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 6556 | }, |
29cbe68c JB |
6557 | { |
6558 | .cmd = NL80211_CMD_JOIN_MESH, | |
6559 | .doit = nl80211_join_mesh, | |
6560 | .policy = nl80211_policy, | |
6561 | .flags = GENL_ADMIN_PERM, | |
6562 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6563 | NL80211_FLAG_NEED_RTNL, | |
6564 | }, | |
6565 | { | |
6566 | .cmd = NL80211_CMD_LEAVE_MESH, | |
6567 | .doit = nl80211_leave_mesh, | |
6568 | .policy = nl80211_policy, | |
6569 | .flags = GENL_ADMIN_PERM, | |
6570 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6571 | NL80211_FLAG_NEED_RTNL, | |
6572 | }, | |
ff1b6e69 JB |
6573 | { |
6574 | .cmd = NL80211_CMD_GET_WOWLAN, | |
6575 | .doit = nl80211_get_wowlan, | |
6576 | .policy = nl80211_policy, | |
6577 | /* can be retrieved by unprivileged users */ | |
6578 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6579 | NL80211_FLAG_NEED_RTNL, | |
6580 | }, | |
6581 | { | |
6582 | .cmd = NL80211_CMD_SET_WOWLAN, | |
6583 | .doit = nl80211_set_wowlan, | |
6584 | .policy = nl80211_policy, | |
6585 | .flags = GENL_ADMIN_PERM, | |
6586 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6587 | NL80211_FLAG_NEED_RTNL, | |
6588 | }, | |
e5497d76 JB |
6589 | { |
6590 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
6591 | .doit = nl80211_set_rekey_data, | |
6592 | .policy = nl80211_policy, | |
6593 | .flags = GENL_ADMIN_PERM, | |
6594 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6595 | NL80211_FLAG_NEED_RTNL, | |
6596 | }, | |
109086ce AN |
6597 | { |
6598 | .cmd = NL80211_CMD_TDLS_MGMT, | |
6599 | .doit = nl80211_tdls_mgmt, | |
6600 | .policy = nl80211_policy, | |
6601 | .flags = GENL_ADMIN_PERM, | |
6602 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6603 | NL80211_FLAG_NEED_RTNL, | |
6604 | }, | |
6605 | { | |
6606 | .cmd = NL80211_CMD_TDLS_OPER, | |
6607 | .doit = nl80211_tdls_oper, | |
6608 | .policy = nl80211_policy, | |
6609 | .flags = GENL_ADMIN_PERM, | |
6610 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6611 | NL80211_FLAG_NEED_RTNL, | |
6612 | }, | |
28946da7 JB |
6613 | { |
6614 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
6615 | .doit = nl80211_register_unexpected_frame, | |
6616 | .policy = nl80211_policy, | |
6617 | .flags = GENL_ADMIN_PERM, | |
6618 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
6619 | NL80211_FLAG_NEED_RTNL, | |
6620 | }, | |
7f6cf311 JB |
6621 | { |
6622 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
6623 | .doit = nl80211_probe_client, | |
6624 | .policy = nl80211_policy, | |
6625 | .flags = GENL_ADMIN_PERM, | |
6626 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
6627 | NL80211_FLAG_NEED_RTNL, | |
6628 | }, | |
5e760230 JB |
6629 | { |
6630 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
6631 | .doit = nl80211_register_beacons, | |
6632 | .policy = nl80211_policy, | |
6633 | .flags = GENL_ADMIN_PERM, | |
6634 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6635 | NL80211_FLAG_NEED_RTNL, | |
6636 | }, | |
1d9d9213 SW |
6637 | { |
6638 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
6639 | .doit = nl80211_set_noack_map, | |
6640 | .policy = nl80211_policy, | |
6641 | .flags = GENL_ADMIN_PERM, | |
6642 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
6643 | NL80211_FLAG_NEED_RTNL, | |
6644 | }, | |
6645 | ||
55682965 | 6646 | }; |
9588bbd5 | 6647 | |
6039f6d2 JM |
6648 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
6649 | .name = "mlme", | |
6650 | }; | |
55682965 JB |
6651 | |
6652 | /* multicast groups */ | |
6653 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
6654 | .name = "config", | |
6655 | }; | |
2a519311 JB |
6656 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
6657 | .name = "scan", | |
6658 | }; | |
73d54c9e LR |
6659 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
6660 | .name = "regulatory", | |
6661 | }; | |
55682965 JB |
6662 | |
6663 | /* notification functions */ | |
6664 | ||
6665 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
6666 | { | |
6667 | struct sk_buff *msg; | |
6668 | ||
fd2120ca | 6669 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
6670 | if (!msg) |
6671 | return; | |
6672 | ||
6673 | if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { | |
6674 | nlmsg_free(msg); | |
6675 | return; | |
6676 | } | |
6677 | ||
463d0183 JB |
6678 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6679 | nl80211_config_mcgrp.id, GFP_KERNEL); | |
55682965 JB |
6680 | } |
6681 | ||
362a415d JB |
6682 | static int nl80211_add_scan_req(struct sk_buff *msg, |
6683 | struct cfg80211_registered_device *rdev) | |
6684 | { | |
6685 | struct cfg80211_scan_request *req = rdev->scan_req; | |
6686 | struct nlattr *nest; | |
6687 | int i; | |
6688 | ||
667503dd JB |
6689 | ASSERT_RDEV_LOCK(rdev); |
6690 | ||
362a415d JB |
6691 | if (WARN_ON(!req)) |
6692 | return 0; | |
6693 | ||
6694 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
6695 | if (!nest) | |
6696 | goto nla_put_failure; | |
6697 | for (i = 0; i < req->n_ssids; i++) | |
6698 | NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid); | |
6699 | nla_nest_end(msg, nest); | |
6700 | ||
6701 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
6702 | if (!nest) | |
6703 | goto nla_put_failure; | |
6704 | for (i = 0; i < req->n_channels; i++) | |
6705 | NLA_PUT_U32(msg, i, req->channels[i]->center_freq); | |
6706 | nla_nest_end(msg, nest); | |
6707 | ||
6708 | if (req->ie) | |
6709 | NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie); | |
6710 | ||
6711 | return 0; | |
6712 | nla_put_failure: | |
6713 | return -ENOBUFS; | |
6714 | } | |
6715 | ||
a538e2d5 JB |
6716 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
6717 | struct cfg80211_registered_device *rdev, | |
6718 | struct net_device *netdev, | |
6719 | u32 pid, u32 seq, int flags, | |
6720 | u32 cmd) | |
2a519311 JB |
6721 | { |
6722 | void *hdr; | |
6723 | ||
6724 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); | |
6725 | if (!hdr) | |
6726 | return -1; | |
6727 | ||
b5850a7a | 6728 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
2a519311 JB |
6729 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
6730 | ||
362a415d JB |
6731 | /* ignore errors and send incomplete event anyway */ |
6732 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
6733 | |
6734 | return genlmsg_end(msg, hdr); | |
6735 | ||
6736 | nla_put_failure: | |
6737 | genlmsg_cancel(msg, hdr); | |
6738 | return -EMSGSIZE; | |
6739 | } | |
6740 | ||
807f8a8c LC |
6741 | static int |
6742 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
6743 | struct cfg80211_registered_device *rdev, | |
6744 | struct net_device *netdev, | |
6745 | u32 pid, u32 seq, int flags, u32 cmd) | |
6746 | { | |
6747 | void *hdr; | |
6748 | ||
6749 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); | |
6750 | if (!hdr) | |
6751 | return -1; | |
6752 | ||
6753 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6754 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6755 | ||
6756 | return genlmsg_end(msg, hdr); | |
6757 | ||
6758 | nla_put_failure: | |
6759 | genlmsg_cancel(msg, hdr); | |
6760 | return -EMSGSIZE; | |
6761 | } | |
6762 | ||
a538e2d5 JB |
6763 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
6764 | struct net_device *netdev) | |
6765 | { | |
6766 | struct sk_buff *msg; | |
6767 | ||
6768 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
6769 | if (!msg) | |
6770 | return; | |
6771 | ||
6772 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
6773 | NL80211_CMD_TRIGGER_SCAN) < 0) { | |
6774 | nlmsg_free(msg); | |
6775 | return; | |
6776 | } | |
6777 | ||
463d0183 JB |
6778 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6779 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
a538e2d5 JB |
6780 | } |
6781 | ||
2a519311 JB |
6782 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
6783 | struct net_device *netdev) | |
6784 | { | |
6785 | struct sk_buff *msg; | |
6786 | ||
fd2120ca | 6787 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
6788 | if (!msg) |
6789 | return; | |
6790 | ||
a538e2d5 JB |
6791 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
6792 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 JB |
6793 | nlmsg_free(msg); |
6794 | return; | |
6795 | } | |
6796 | ||
463d0183 JB |
6797 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6798 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
6799 | } |
6800 | ||
6801 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
6802 | struct net_device *netdev) | |
6803 | { | |
6804 | struct sk_buff *msg; | |
6805 | ||
fd2120ca | 6806 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
6807 | if (!msg) |
6808 | return; | |
6809 | ||
a538e2d5 JB |
6810 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
6811 | NL80211_CMD_SCAN_ABORTED) < 0) { | |
2a519311 JB |
6812 | nlmsg_free(msg); |
6813 | return; | |
6814 | } | |
6815 | ||
463d0183 JB |
6816 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6817 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
6818 | } |
6819 | ||
807f8a8c LC |
6820 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
6821 | struct net_device *netdev) | |
6822 | { | |
6823 | struct sk_buff *msg; | |
6824 | ||
6825 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6826 | if (!msg) | |
6827 | return; | |
6828 | ||
6829 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
6830 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
6831 | nlmsg_free(msg); | |
6832 | return; | |
6833 | } | |
6834 | ||
6835 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6836 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
6837 | } | |
6838 | ||
6839 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
6840 | struct net_device *netdev, u32 cmd) | |
6841 | { | |
6842 | struct sk_buff *msg; | |
6843 | ||
6844 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
6845 | if (!msg) | |
6846 | return; | |
6847 | ||
6848 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
6849 | nlmsg_free(msg); | |
6850 | return; | |
6851 | } | |
6852 | ||
6853 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
6854 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
6855 | } | |
6856 | ||
73d54c9e LR |
6857 | /* |
6858 | * This can happen on global regulatory changes or device specific settings | |
6859 | * based on custom world regulatory domains. | |
6860 | */ | |
6861 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
6862 | { | |
6863 | struct sk_buff *msg; | |
6864 | void *hdr; | |
6865 | ||
fd2120ca | 6866 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
6867 | if (!msg) |
6868 | return; | |
6869 | ||
6870 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
6871 | if (!hdr) { | |
6872 | nlmsg_free(msg); | |
6873 | return; | |
6874 | } | |
6875 | ||
6876 | /* Userspace can always count this one always being set */ | |
6877 | NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator); | |
6878 | ||
6879 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') | |
6880 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6881 | NL80211_REGDOM_TYPE_WORLD); | |
6882 | else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') | |
6883 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6884 | NL80211_REGDOM_TYPE_CUSTOM_WORLD); | |
6885 | else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
6886 | request->intersect) | |
6887 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6888 | NL80211_REGDOM_TYPE_INTERSECTION); | |
6889 | else { | |
6890 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
6891 | NL80211_REGDOM_TYPE_COUNTRY); | |
6892 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2); | |
6893 | } | |
6894 | ||
6895 | if (wiphy_idx_valid(request->wiphy_idx)) | |
6896 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx); | |
6897 | ||
3b7b72ee | 6898 | genlmsg_end(msg, hdr); |
73d54c9e | 6899 | |
bc43b28c | 6900 | rcu_read_lock(); |
463d0183 | 6901 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
bc43b28c JB |
6902 | GFP_ATOMIC); |
6903 | rcu_read_unlock(); | |
73d54c9e LR |
6904 | |
6905 | return; | |
6906 | ||
6907 | nla_put_failure: | |
6908 | genlmsg_cancel(msg, hdr); | |
6909 | nlmsg_free(msg); | |
6910 | } | |
6911 | ||
6039f6d2 JM |
6912 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
6913 | struct net_device *netdev, | |
6914 | const u8 *buf, size_t len, | |
e6d6e342 | 6915 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
6916 | { |
6917 | struct sk_buff *msg; | |
6918 | void *hdr; | |
6919 | ||
e6d6e342 | 6920 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
6921 | if (!msg) |
6922 | return; | |
6923 | ||
6924 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
6925 | if (!hdr) { | |
6926 | nlmsg_free(msg); | |
6927 | return; | |
6928 | } | |
6929 | ||
6930 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6931 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6932 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
6933 | ||
3b7b72ee | 6934 | genlmsg_end(msg, hdr); |
6039f6d2 | 6935 | |
463d0183 JB |
6936 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6937 | nl80211_mlme_mcgrp.id, gfp); | |
6039f6d2 JM |
6938 | return; |
6939 | ||
6940 | nla_put_failure: | |
6941 | genlmsg_cancel(msg, hdr); | |
6942 | nlmsg_free(msg); | |
6943 | } | |
6944 | ||
6945 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
6946 | struct net_device *netdev, const u8 *buf, |
6947 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
6948 | { |
6949 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 6950 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
6951 | } |
6952 | ||
6953 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
6954 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 6955 | size_t len, gfp_t gfp) |
6039f6d2 | 6956 | { |
e6d6e342 JB |
6957 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
6958 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
6959 | } |
6960 | ||
53b46b84 | 6961 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
6962 | struct net_device *netdev, const u8 *buf, |
6963 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
6964 | { |
6965 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 6966 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
6967 | } |
6968 | ||
53b46b84 JM |
6969 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
6970 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 6971 | size_t len, gfp_t gfp) |
6039f6d2 JM |
6972 | { |
6973 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 6974 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
6975 | } |
6976 | ||
cf4e594e JM |
6977 | void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, |
6978 | struct net_device *netdev, const u8 *buf, | |
6979 | size_t len, gfp_t gfp) | |
6980 | { | |
6981 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
6982 | NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); | |
6983 | } | |
6984 | ||
6985 | void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, | |
6986 | struct net_device *netdev, const u8 *buf, | |
6987 | size_t len, gfp_t gfp) | |
6988 | { | |
6989 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
6990 | NL80211_CMD_UNPROT_DISASSOCIATE, gfp); | |
6991 | } | |
6992 | ||
1b06bb40 LR |
6993 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
6994 | struct net_device *netdev, int cmd, | |
e6d6e342 | 6995 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
6996 | { |
6997 | struct sk_buff *msg; | |
6998 | void *hdr; | |
6999 | ||
e6d6e342 | 7000 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
7001 | if (!msg) |
7002 | return; | |
7003 | ||
7004 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
7005 | if (!hdr) { | |
7006 | nlmsg_free(msg); | |
7007 | return; | |
7008 | } | |
7009 | ||
7010 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7011 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7012 | NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT); | |
7013 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7014 | ||
3b7b72ee | 7015 | genlmsg_end(msg, hdr); |
1965c853 | 7016 | |
463d0183 JB |
7017 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7018 | nl80211_mlme_mcgrp.id, gfp); | |
1965c853 JM |
7019 | return; |
7020 | ||
7021 | nla_put_failure: | |
7022 | genlmsg_cancel(msg, hdr); | |
7023 | nlmsg_free(msg); | |
7024 | } | |
7025 | ||
7026 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
7027 | struct net_device *netdev, const u8 *addr, |
7028 | gfp_t gfp) | |
1965c853 JM |
7029 | { |
7030 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 7031 | addr, gfp); |
1965c853 JM |
7032 | } |
7033 | ||
7034 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
7035 | struct net_device *netdev, const u8 *addr, |
7036 | gfp_t gfp) | |
1965c853 | 7037 | { |
e6d6e342 JB |
7038 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
7039 | addr, gfp); | |
1965c853 JM |
7040 | } |
7041 | ||
b23aa676 SO |
7042 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
7043 | struct net_device *netdev, const u8 *bssid, | |
7044 | const u8 *req_ie, size_t req_ie_len, | |
7045 | const u8 *resp_ie, size_t resp_ie_len, | |
7046 | u16 status, gfp_t gfp) | |
7047 | { | |
7048 | struct sk_buff *msg; | |
7049 | void *hdr; | |
7050 | ||
7051 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7052 | if (!msg) | |
7053 | return; | |
7054 | ||
7055 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
7056 | if (!hdr) { | |
7057 | nlmsg_free(msg); | |
7058 | return; | |
7059 | } | |
7060 | ||
7061 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7062 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7063 | if (bssid) | |
7064 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7065 | NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status); | |
7066 | if (req_ie) | |
7067 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
7068 | if (resp_ie) | |
7069 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
7070 | ||
3b7b72ee | 7071 | genlmsg_end(msg, hdr); |
b23aa676 | 7072 | |
463d0183 JB |
7073 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7074 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
7075 | return; |
7076 | ||
7077 | nla_put_failure: | |
7078 | genlmsg_cancel(msg, hdr); | |
7079 | nlmsg_free(msg); | |
7080 | ||
7081 | } | |
7082 | ||
7083 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
7084 | struct net_device *netdev, const u8 *bssid, | |
7085 | const u8 *req_ie, size_t req_ie_len, | |
7086 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
7087 | { | |
7088 | struct sk_buff *msg; | |
7089 | void *hdr; | |
7090 | ||
7091 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7092 | if (!msg) | |
7093 | return; | |
7094 | ||
7095 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
7096 | if (!hdr) { | |
7097 | nlmsg_free(msg); | |
7098 | return; | |
7099 | } | |
7100 | ||
7101 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7102 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7103 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7104 | if (req_ie) | |
7105 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
7106 | if (resp_ie) | |
7107 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
7108 | ||
3b7b72ee | 7109 | genlmsg_end(msg, hdr); |
b23aa676 | 7110 | |
463d0183 JB |
7111 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7112 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
7113 | return; |
7114 | ||
7115 | nla_put_failure: | |
7116 | genlmsg_cancel(msg, hdr); | |
7117 | nlmsg_free(msg); | |
7118 | ||
7119 | } | |
7120 | ||
7121 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
7122 | struct net_device *netdev, u16 reason, | |
667503dd | 7123 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
7124 | { |
7125 | struct sk_buff *msg; | |
7126 | void *hdr; | |
7127 | ||
667503dd | 7128 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
b23aa676 SO |
7129 | if (!msg) |
7130 | return; | |
7131 | ||
7132 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
7133 | if (!hdr) { | |
7134 | nlmsg_free(msg); | |
7135 | return; | |
7136 | } | |
7137 | ||
7138 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7139 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7140 | if (from_ap && reason) | |
7141 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason); | |
7142 | if (from_ap) | |
7143 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP); | |
7144 | if (ie) | |
7145 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie); | |
7146 | ||
3b7b72ee | 7147 | genlmsg_end(msg, hdr); |
b23aa676 | 7148 | |
463d0183 JB |
7149 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7150 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
b23aa676 SO |
7151 | return; |
7152 | ||
7153 | nla_put_failure: | |
7154 | genlmsg_cancel(msg, hdr); | |
7155 | nlmsg_free(msg); | |
7156 | ||
7157 | } | |
7158 | ||
04a773ad JB |
7159 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
7160 | struct net_device *netdev, const u8 *bssid, | |
7161 | gfp_t gfp) | |
7162 | { | |
7163 | struct sk_buff *msg; | |
7164 | void *hdr; | |
7165 | ||
fd2120ca | 7166 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
7167 | if (!msg) |
7168 | return; | |
7169 | ||
7170 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
7171 | if (!hdr) { | |
7172 | nlmsg_free(msg); | |
7173 | return; | |
7174 | } | |
7175 | ||
7176 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7177 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7178 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7179 | ||
3b7b72ee | 7180 | genlmsg_end(msg, hdr); |
04a773ad | 7181 | |
463d0183 JB |
7182 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7183 | nl80211_mlme_mcgrp.id, gfp); | |
04a773ad JB |
7184 | return; |
7185 | ||
7186 | nla_put_failure: | |
7187 | genlmsg_cancel(msg, hdr); | |
7188 | nlmsg_free(msg); | |
7189 | } | |
7190 | ||
c93b5e71 JC |
7191 | void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, |
7192 | struct net_device *netdev, | |
7193 | const u8 *macaddr, const u8* ie, u8 ie_len, | |
7194 | gfp_t gfp) | |
7195 | { | |
7196 | struct sk_buff *msg; | |
7197 | void *hdr; | |
7198 | ||
7199 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7200 | if (!msg) | |
7201 | return; | |
7202 | ||
7203 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
7204 | if (!hdr) { | |
7205 | nlmsg_free(msg); | |
7206 | return; | |
7207 | } | |
7208 | ||
7209 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7210 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7211 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr); | |
7212 | if (ie_len && ie) | |
7213 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie); | |
7214 | ||
3b7b72ee | 7215 | genlmsg_end(msg, hdr); |
c93b5e71 JC |
7216 | |
7217 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7218 | nl80211_mlme_mcgrp.id, gfp); | |
7219 | return; | |
7220 | ||
7221 | nla_put_failure: | |
7222 | genlmsg_cancel(msg, hdr); | |
7223 | nlmsg_free(msg); | |
7224 | } | |
7225 | ||
a3b8b056 JM |
7226 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
7227 | struct net_device *netdev, const u8 *addr, | |
7228 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 7229 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
7230 | { |
7231 | struct sk_buff *msg; | |
7232 | void *hdr; | |
7233 | ||
e6d6e342 | 7234 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
7235 | if (!msg) |
7236 | return; | |
7237 | ||
7238 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
7239 | if (!hdr) { | |
7240 | nlmsg_free(msg); | |
7241 | return; | |
7242 | } | |
7243 | ||
7244 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7245 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7246 | if (addr) | |
7247 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7248 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type); | |
a66b98db AN |
7249 | if (key_id != -1) |
7250 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id); | |
a3b8b056 JM |
7251 | if (tsc) |
7252 | NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc); | |
7253 | ||
3b7b72ee | 7254 | genlmsg_end(msg, hdr); |
a3b8b056 | 7255 | |
463d0183 JB |
7256 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7257 | nl80211_mlme_mcgrp.id, gfp); | |
a3b8b056 JM |
7258 | return; |
7259 | ||
7260 | nla_put_failure: | |
7261 | genlmsg_cancel(msg, hdr); | |
7262 | nlmsg_free(msg); | |
7263 | } | |
7264 | ||
6bad8766 LR |
7265 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
7266 | struct ieee80211_channel *channel_before, | |
7267 | struct ieee80211_channel *channel_after) | |
7268 | { | |
7269 | struct sk_buff *msg; | |
7270 | void *hdr; | |
7271 | struct nlattr *nl_freq; | |
7272 | ||
fd2120ca | 7273 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
7274 | if (!msg) |
7275 | return; | |
7276 | ||
7277 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
7278 | if (!hdr) { | |
7279 | nlmsg_free(msg); | |
7280 | return; | |
7281 | } | |
7282 | ||
7283 | /* | |
7284 | * Since we are applying the beacon hint to a wiphy we know its | |
7285 | * wiphy_idx is valid | |
7286 | */ | |
7287 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)); | |
7288 | ||
7289 | /* Before */ | |
7290 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
7291 | if (!nl_freq) | |
7292 | goto nla_put_failure; | |
7293 | if (nl80211_msg_put_channel(msg, channel_before)) | |
7294 | goto nla_put_failure; | |
7295 | nla_nest_end(msg, nl_freq); | |
7296 | ||
7297 | /* After */ | |
7298 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
7299 | if (!nl_freq) | |
7300 | goto nla_put_failure; | |
7301 | if (nl80211_msg_put_channel(msg, channel_after)) | |
7302 | goto nla_put_failure; | |
7303 | nla_nest_end(msg, nl_freq); | |
7304 | ||
3b7b72ee | 7305 | genlmsg_end(msg, hdr); |
6bad8766 | 7306 | |
463d0183 JB |
7307 | rcu_read_lock(); |
7308 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, | |
7309 | GFP_ATOMIC); | |
7310 | rcu_read_unlock(); | |
6bad8766 LR |
7311 | |
7312 | return; | |
7313 | ||
7314 | nla_put_failure: | |
7315 | genlmsg_cancel(msg, hdr); | |
7316 | nlmsg_free(msg); | |
7317 | } | |
7318 | ||
9588bbd5 JM |
7319 | static void nl80211_send_remain_on_chan_event( |
7320 | int cmd, struct cfg80211_registered_device *rdev, | |
7321 | struct net_device *netdev, u64 cookie, | |
7322 | struct ieee80211_channel *chan, | |
7323 | enum nl80211_channel_type channel_type, | |
7324 | unsigned int duration, gfp_t gfp) | |
7325 | { | |
7326 | struct sk_buff *msg; | |
7327 | void *hdr; | |
7328 | ||
7329 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7330 | if (!msg) | |
7331 | return; | |
7332 | ||
7333 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
7334 | if (!hdr) { | |
7335 | nlmsg_free(msg); | |
7336 | return; | |
7337 | } | |
7338 | ||
7339 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7340 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7341 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq); | |
7342 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type); | |
7343 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
7344 | ||
7345 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL) | |
7346 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); | |
7347 | ||
3b7b72ee | 7348 | genlmsg_end(msg, hdr); |
9588bbd5 JM |
7349 | |
7350 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7351 | nl80211_mlme_mcgrp.id, gfp); | |
7352 | return; | |
7353 | ||
7354 | nla_put_failure: | |
7355 | genlmsg_cancel(msg, hdr); | |
7356 | nlmsg_free(msg); | |
7357 | } | |
7358 | ||
7359 | void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, | |
7360 | struct net_device *netdev, u64 cookie, | |
7361 | struct ieee80211_channel *chan, | |
7362 | enum nl80211_channel_type channel_type, | |
7363 | unsigned int duration, gfp_t gfp) | |
7364 | { | |
7365 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, | |
7366 | rdev, netdev, cookie, chan, | |
7367 | channel_type, duration, gfp); | |
7368 | } | |
7369 | ||
7370 | void nl80211_send_remain_on_channel_cancel( | |
7371 | struct cfg80211_registered_device *rdev, struct net_device *netdev, | |
7372 | u64 cookie, struct ieee80211_channel *chan, | |
7373 | enum nl80211_channel_type channel_type, gfp_t gfp) | |
7374 | { | |
7375 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
7376 | rdev, netdev, cookie, chan, | |
7377 | channel_type, 0, gfp); | |
7378 | } | |
7379 | ||
98b62183 JB |
7380 | void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, |
7381 | struct net_device *dev, const u8 *mac_addr, | |
7382 | struct station_info *sinfo, gfp_t gfp) | |
7383 | { | |
7384 | struct sk_buff *msg; | |
7385 | ||
7386 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7387 | if (!msg) | |
7388 | return; | |
7389 | ||
7390 | if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) { | |
7391 | nlmsg_free(msg); | |
7392 | return; | |
7393 | } | |
7394 | ||
7395 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7396 | nl80211_mlme_mcgrp.id, gfp); | |
7397 | } | |
7398 | ||
ec15e68b JM |
7399 | void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, |
7400 | struct net_device *dev, const u8 *mac_addr, | |
7401 | gfp_t gfp) | |
7402 | { | |
7403 | struct sk_buff *msg; | |
7404 | void *hdr; | |
7405 | ||
7406 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7407 | if (!msg) | |
7408 | return; | |
7409 | ||
7410 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
7411 | if (!hdr) { | |
7412 | nlmsg_free(msg); | |
7413 | return; | |
7414 | } | |
7415 | ||
7416 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
7417 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
7418 | ||
3b7b72ee | 7419 | genlmsg_end(msg, hdr); |
ec15e68b JM |
7420 | |
7421 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7422 | nl80211_mlme_mcgrp.id, gfp); | |
7423 | return; | |
7424 | ||
7425 | nla_put_failure: | |
7426 | genlmsg_cancel(msg, hdr); | |
7427 | nlmsg_free(msg); | |
7428 | } | |
7429 | ||
b92ab5d8 JB |
7430 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
7431 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
7432 | { |
7433 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7434 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
7435 | struct sk_buff *msg; | |
7436 | void *hdr; | |
7437 | int err; | |
7438 | u32 nlpid = ACCESS_ONCE(wdev->ap_unexpected_nlpid); | |
7439 | ||
7440 | if (!nlpid) | |
7441 | return false; | |
7442 | ||
7443 | msg = nlmsg_new(100, gfp); | |
7444 | if (!msg) | |
7445 | return true; | |
7446 | ||
b92ab5d8 | 7447 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
7448 | if (!hdr) { |
7449 | nlmsg_free(msg); | |
7450 | return true; | |
7451 | } | |
7452 | ||
7453 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7454 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
7455 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7456 | ||
7457 | err = genlmsg_end(msg, hdr); | |
7458 | if (err < 0) { | |
7459 | nlmsg_free(msg); | |
7460 | return true; | |
7461 | } | |
7462 | ||
7463 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); | |
7464 | return true; | |
7465 | ||
7466 | nla_put_failure: | |
7467 | genlmsg_cancel(msg, hdr); | |
7468 | nlmsg_free(msg); | |
7469 | return true; | |
7470 | } | |
7471 | ||
b92ab5d8 JB |
7472 | bool nl80211_unexpected_frame(struct net_device *dev, const u8 *addr, gfp_t gfp) |
7473 | { | |
7474 | return __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
7475 | addr, gfp); | |
7476 | } | |
7477 | ||
7478 | bool nl80211_unexpected_4addr_frame(struct net_device *dev, | |
7479 | const u8 *addr, gfp_t gfp) | |
7480 | { | |
7481 | return __nl80211_unexpected_frame(dev, | |
7482 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
7483 | addr, gfp); | |
7484 | } | |
7485 | ||
2e161f78 JB |
7486 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
7487 | struct net_device *netdev, u32 nlpid, | |
7488 | int freq, const u8 *buf, size_t len, gfp_t gfp) | |
026331c4 JM |
7489 | { |
7490 | struct sk_buff *msg; | |
7491 | void *hdr; | |
026331c4 JM |
7492 | |
7493 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7494 | if (!msg) | |
7495 | return -ENOMEM; | |
7496 | ||
2e161f78 | 7497 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
7498 | if (!hdr) { |
7499 | nlmsg_free(msg); | |
7500 | return -ENOMEM; | |
7501 | } | |
7502 | ||
7503 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7504 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7505 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
7506 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
7507 | ||
3b7b72ee | 7508 | genlmsg_end(msg, hdr); |
026331c4 | 7509 | |
3b7b72ee | 7510 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); |
026331c4 JM |
7511 | |
7512 | nla_put_failure: | |
7513 | genlmsg_cancel(msg, hdr); | |
7514 | nlmsg_free(msg); | |
7515 | return -ENOBUFS; | |
7516 | } | |
7517 | ||
2e161f78 JB |
7518 | void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, |
7519 | struct net_device *netdev, u64 cookie, | |
7520 | const u8 *buf, size_t len, bool ack, | |
7521 | gfp_t gfp) | |
026331c4 JM |
7522 | { |
7523 | struct sk_buff *msg; | |
7524 | void *hdr; | |
7525 | ||
7526 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7527 | if (!msg) | |
7528 | return; | |
7529 | ||
2e161f78 | 7530 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
7531 | if (!hdr) { |
7532 | nlmsg_free(msg); | |
7533 | return; | |
7534 | } | |
7535 | ||
7536 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7537 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7538 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
7539 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
7540 | if (ack) | |
7541 | NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); | |
7542 | ||
3b7b72ee | 7543 | genlmsg_end(msg, hdr); |
026331c4 JM |
7544 | |
7545 | genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); | |
7546 | return; | |
7547 | ||
7548 | nla_put_failure: | |
7549 | genlmsg_cancel(msg, hdr); | |
7550 | nlmsg_free(msg); | |
7551 | } | |
7552 | ||
d6dc1a38 JO |
7553 | void |
7554 | nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, | |
7555 | struct net_device *netdev, | |
7556 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
7557 | gfp_t gfp) | |
7558 | { | |
7559 | struct sk_buff *msg; | |
7560 | struct nlattr *pinfoattr; | |
7561 | void *hdr; | |
7562 | ||
7563 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7564 | if (!msg) | |
7565 | return; | |
7566 | ||
7567 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
7568 | if (!hdr) { | |
7569 | nlmsg_free(msg); | |
7570 | return; | |
7571 | } | |
7572 | ||
7573 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7574 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7575 | ||
7576 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
7577 | if (!pinfoattr) | |
7578 | goto nla_put_failure; | |
7579 | ||
7580 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
7581 | rssi_event); | |
7582 | ||
7583 | nla_nest_end(msg, pinfoattr); | |
7584 | ||
3b7b72ee | 7585 | genlmsg_end(msg, hdr); |
d6dc1a38 JO |
7586 | |
7587 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7588 | nl80211_mlme_mcgrp.id, gfp); | |
7589 | return; | |
7590 | ||
7591 | nla_put_failure: | |
7592 | genlmsg_cancel(msg, hdr); | |
7593 | nlmsg_free(msg); | |
7594 | } | |
7595 | ||
e5497d76 JB |
7596 | void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
7597 | struct net_device *netdev, const u8 *bssid, | |
7598 | const u8 *replay_ctr, gfp_t gfp) | |
7599 | { | |
7600 | struct sk_buff *msg; | |
7601 | struct nlattr *rekey_attr; | |
7602 | void *hdr; | |
7603 | ||
7604 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7605 | if (!msg) | |
7606 | return; | |
7607 | ||
7608 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
7609 | if (!hdr) { | |
7610 | nlmsg_free(msg); | |
7611 | return; | |
7612 | } | |
7613 | ||
7614 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7615 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7616 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7617 | ||
7618 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
7619 | if (!rekey_attr) | |
7620 | goto nla_put_failure; | |
7621 | ||
7622 | NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, | |
7623 | NL80211_REPLAY_CTR_LEN, replay_ctr); | |
7624 | ||
7625 | nla_nest_end(msg, rekey_attr); | |
7626 | ||
3b7b72ee | 7627 | genlmsg_end(msg, hdr); |
e5497d76 JB |
7628 | |
7629 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7630 | nl80211_mlme_mcgrp.id, gfp); | |
7631 | return; | |
7632 | ||
7633 | nla_put_failure: | |
7634 | genlmsg_cancel(msg, hdr); | |
7635 | nlmsg_free(msg); | |
7636 | } | |
7637 | ||
c9df56b4 JM |
7638 | void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, |
7639 | struct net_device *netdev, int index, | |
7640 | const u8 *bssid, bool preauth, gfp_t gfp) | |
7641 | { | |
7642 | struct sk_buff *msg; | |
7643 | struct nlattr *attr; | |
7644 | void *hdr; | |
7645 | ||
7646 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7647 | if (!msg) | |
7648 | return; | |
7649 | ||
7650 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
7651 | if (!hdr) { | |
7652 | nlmsg_free(msg); | |
7653 | return; | |
7654 | } | |
7655 | ||
7656 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7657 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7658 | ||
7659 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
7660 | if (!attr) | |
7661 | goto nla_put_failure; | |
7662 | ||
7663 | NLA_PUT_U32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index); | |
7664 | NLA_PUT(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid); | |
7665 | if (preauth) | |
7666 | NLA_PUT_FLAG(msg, NL80211_PMKSA_CANDIDATE_PREAUTH); | |
7667 | ||
7668 | nla_nest_end(msg, attr); | |
7669 | ||
3b7b72ee | 7670 | genlmsg_end(msg, hdr); |
c9df56b4 JM |
7671 | |
7672 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7673 | nl80211_mlme_mcgrp.id, gfp); | |
7674 | return; | |
7675 | ||
7676 | nla_put_failure: | |
7677 | genlmsg_cancel(msg, hdr); | |
7678 | nlmsg_free(msg); | |
7679 | } | |
7680 | ||
c063dbf5 JB |
7681 | void |
7682 | nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, | |
7683 | struct net_device *netdev, const u8 *peer, | |
7684 | u32 num_packets, gfp_t gfp) | |
7685 | { | |
7686 | struct sk_buff *msg; | |
7687 | struct nlattr *pinfoattr; | |
7688 | void *hdr; | |
7689 | ||
7690 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7691 | if (!msg) | |
7692 | return; | |
7693 | ||
7694 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
7695 | if (!hdr) { | |
7696 | nlmsg_free(msg); | |
7697 | return; | |
7698 | } | |
7699 | ||
7700 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7701 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7702 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); | |
7703 | ||
7704 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
7705 | if (!pinfoattr) | |
7706 | goto nla_put_failure; | |
7707 | ||
7708 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets); | |
7709 | ||
7710 | nla_nest_end(msg, pinfoattr); | |
7711 | ||
3b7b72ee | 7712 | genlmsg_end(msg, hdr); |
c063dbf5 JB |
7713 | |
7714 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7715 | nl80211_mlme_mcgrp.id, gfp); | |
7716 | return; | |
7717 | ||
7718 | nla_put_failure: | |
7719 | genlmsg_cancel(msg, hdr); | |
7720 | nlmsg_free(msg); | |
7721 | } | |
7722 | ||
7f6cf311 JB |
7723 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
7724 | u64 cookie, bool acked, gfp_t gfp) | |
7725 | { | |
7726 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7727 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
7728 | struct sk_buff *msg; | |
7729 | void *hdr; | |
7730 | int err; | |
7731 | ||
7732 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7733 | if (!msg) | |
7734 | return; | |
7735 | ||
7736 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
7737 | if (!hdr) { | |
7738 | nlmsg_free(msg); | |
7739 | return; | |
7740 | } | |
7741 | ||
7742 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7743 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
7744 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7745 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
7746 | if (acked) | |
7747 | NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); | |
7748 | ||
7749 | err = genlmsg_end(msg, hdr); | |
7750 | if (err < 0) { | |
7751 | nlmsg_free(msg); | |
7752 | return; | |
7753 | } | |
7754 | ||
7755 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7756 | nl80211_mlme_mcgrp.id, gfp); | |
7757 | return; | |
7758 | ||
7759 | nla_put_failure: | |
7760 | genlmsg_cancel(msg, hdr); | |
7761 | nlmsg_free(msg); | |
7762 | } | |
7763 | EXPORT_SYMBOL(cfg80211_probe_status); | |
7764 | ||
5e760230 JB |
7765 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
7766 | const u8 *frame, size_t len, | |
7767 | int freq, gfp_t gfp) | |
7768 | { | |
7769 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
7770 | struct sk_buff *msg; | |
7771 | void *hdr; | |
7772 | u32 nlpid = ACCESS_ONCE(rdev->ap_beacons_nlpid); | |
7773 | ||
7774 | if (!nlpid) | |
7775 | return; | |
7776 | ||
7777 | msg = nlmsg_new(len + 100, gfp); | |
7778 | if (!msg) | |
7779 | return; | |
7780 | ||
7781 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); | |
7782 | if (!hdr) { | |
7783 | nlmsg_free(msg); | |
7784 | return; | |
7785 | } | |
7786 | ||
7787 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7788 | if (freq) | |
7789 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
7790 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, frame); | |
7791 | ||
7792 | genlmsg_end(msg, hdr); | |
7793 | ||
7794 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); | |
7795 | return; | |
7796 | ||
7797 | nla_put_failure: | |
7798 | genlmsg_cancel(msg, hdr); | |
7799 | nlmsg_free(msg); | |
7800 | } | |
7801 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
7802 | ||
026331c4 JM |
7803 | static int nl80211_netlink_notify(struct notifier_block * nb, |
7804 | unsigned long state, | |
7805 | void *_notify) | |
7806 | { | |
7807 | struct netlink_notify *notify = _notify; | |
7808 | struct cfg80211_registered_device *rdev; | |
7809 | struct wireless_dev *wdev; | |
7810 | ||
7811 | if (state != NETLINK_URELEASE) | |
7812 | return NOTIFY_DONE; | |
7813 | ||
7814 | rcu_read_lock(); | |
7815 | ||
5e760230 | 7816 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
026331c4 | 7817 | list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) |
2e161f78 | 7818 | cfg80211_mlme_unregister_socket(wdev, notify->pid); |
5e760230 JB |
7819 | if (rdev->ap_beacons_nlpid == notify->pid) |
7820 | rdev->ap_beacons_nlpid = 0; | |
7821 | } | |
026331c4 JM |
7822 | |
7823 | rcu_read_unlock(); | |
7824 | ||
7825 | return NOTIFY_DONE; | |
7826 | } | |
7827 | ||
7828 | static struct notifier_block nl80211_netlink_notifier = { | |
7829 | .notifier_call = nl80211_netlink_notify, | |
7830 | }; | |
7831 | ||
55682965 JB |
7832 | /* initialisation/exit functions */ |
7833 | ||
7834 | int nl80211_init(void) | |
7835 | { | |
0d63cbb5 | 7836 | int err; |
55682965 | 7837 | |
0d63cbb5 MM |
7838 | err = genl_register_family_with_ops(&nl80211_fam, |
7839 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); | |
55682965 JB |
7840 | if (err) |
7841 | return err; | |
7842 | ||
55682965 JB |
7843 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
7844 | if (err) | |
7845 | goto err_out; | |
7846 | ||
2a519311 JB |
7847 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
7848 | if (err) | |
7849 | goto err_out; | |
7850 | ||
73d54c9e LR |
7851 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
7852 | if (err) | |
7853 | goto err_out; | |
7854 | ||
6039f6d2 JM |
7855 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
7856 | if (err) | |
7857 | goto err_out; | |
7858 | ||
aff89a9b JB |
7859 | #ifdef CONFIG_NL80211_TESTMODE |
7860 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); | |
7861 | if (err) | |
7862 | goto err_out; | |
7863 | #endif | |
7864 | ||
026331c4 JM |
7865 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
7866 | if (err) | |
7867 | goto err_out; | |
7868 | ||
55682965 JB |
7869 | return 0; |
7870 | err_out: | |
7871 | genl_unregister_family(&nl80211_fam); | |
7872 | return err; | |
7873 | } | |
7874 | ||
7875 | void nl80211_exit(void) | |
7876 | { | |
026331c4 | 7877 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
7878 | genl_unregister_family(&nl80211_fam); |
7879 | } |