]>
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 */ |
00918d33 JB |
50 | static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs, |
51 | struct cfg80211_registered_device **rdev, | |
52 | struct net_device **dev) | |
55682965 JB |
53 | { |
54 | int ifindex; | |
55 | ||
bba95fef | 56 | if (!attrs[NL80211_ATTR_IFINDEX]) |
55682965 JB |
57 | return -EINVAL; |
58 | ||
bba95fef | 59 | ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); |
00918d33 | 60 | *dev = dev_get_by_index(netns, ifindex); |
55682965 JB |
61 | if (!*dev) |
62 | return -ENODEV; | |
63 | ||
00918d33 | 64 | *rdev = cfg80211_get_dev_from_ifindex(netns, ifindex); |
79c97e97 | 65 | if (IS_ERR(*rdev)) { |
55682965 | 66 | dev_put(*dev); |
79c97e97 | 67 | return PTR_ERR(*rdev); |
55682965 JB |
68 | } |
69 | ||
70 | return 0; | |
71 | } | |
72 | ||
73 | /* policy for the attributes */ | |
b54452b0 | 74 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
75 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
76 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 77 | .len = 20-1 }, |
31888487 | 78 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
72bdcf34 | 79 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 80 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
b9a5f8ca JM |
81 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
82 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
83 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
84 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 85 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
86 | |
87 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
88 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
89 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 90 | |
e007b857 EP |
91 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
92 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 93 | |
b9454e83 | 94 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
95 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
96 | .len = WLAN_MAX_KEY_LEN }, | |
97 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
98 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
99 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 100 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 101 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
102 | |
103 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
104 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
105 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
106 | .len = IEEE80211_MAX_DATA_LEN }, | |
107 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
108 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
109 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
110 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
111 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
112 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
113 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 114 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 115 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 116 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 LCC |
117 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
118 | .len = IEEE80211_MAX_MESH_ID_LEN }, | |
119 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, | |
9f1ba906 | 120 | |
b2e1b302 LR |
121 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
122 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
123 | ||
9f1ba906 JM |
124 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
125 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
126 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
127 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
128 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 129 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 130 | |
24bdd9f4 | 131 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 132 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 133 | |
6c739419 | 134 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
135 | |
136 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
137 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
138 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
139 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
140 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
141 | |
142 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
143 | .len = IEEE80211_MAX_SSID_LEN }, | |
144 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
145 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 146 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 147 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 148 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
149 | [NL80211_ATTR_STA_FLAGS2] = { |
150 | .len = sizeof(struct nl80211_sta_flag_update), | |
151 | }, | |
3f77316c | 152 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
153 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
154 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
155 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
156 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
157 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 158 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 159 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
160 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
161 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
162 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
163 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 164 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
165 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
166 | .len = IEEE80211_MAX_DATA_LEN }, | |
167 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 168 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 169 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 170 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 171 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
172 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
173 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 174 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
175 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
176 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 177 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 178 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 179 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 180 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 181 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 182 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 183 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 184 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 185 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
186 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
187 | .len = IEEE80211_MAX_DATA_LEN }, | |
188 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
189 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 190 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 191 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 192 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
193 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
194 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
195 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
196 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
197 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
e247bd90 | 198 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
199 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
200 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 201 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
202 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
203 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
204 | .len = NL80211_HT_CAPABILITY_LEN | |
205 | }, | |
1d9d9213 | 206 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
55682965 JB |
207 | }; |
208 | ||
e31b8213 | 209 | /* policy for the key attributes */ |
b54452b0 | 210 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 211 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
212 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
213 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 214 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
215 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
216 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 217 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
218 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
219 | }; | |
220 | ||
221 | /* policy for the key default flags */ | |
222 | static const struct nla_policy | |
223 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
224 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
225 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
226 | }; |
227 | ||
ff1b6e69 JB |
228 | /* policy for WoWLAN attributes */ |
229 | static const struct nla_policy | |
230 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
231 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
232 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
233 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
234 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
235 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
236 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
237 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
238 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
ff1b6e69 JB |
239 | }; |
240 | ||
e5497d76 JB |
241 | /* policy for GTK rekey offload attributes */ |
242 | static const struct nla_policy | |
243 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
244 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
245 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
246 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
247 | }; | |
248 | ||
a1f1c21c LC |
249 | static const struct nla_policy |
250 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
251 | [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY, | |
252 | .len = IEEE80211_MAX_SSID_LEN }, | |
253 | }; | |
254 | ||
a043897a HS |
255 | /* ifidx get helper */ |
256 | static int nl80211_get_ifidx(struct netlink_callback *cb) | |
257 | { | |
258 | int res; | |
259 | ||
260 | res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
261 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
262 | nl80211_policy); | |
263 | if (res) | |
264 | return res; | |
265 | ||
266 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) | |
267 | return -EINVAL; | |
268 | ||
269 | res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); | |
270 | if (!res) | |
271 | return -EINVAL; | |
272 | return res; | |
273 | } | |
274 | ||
67748893 JB |
275 | static int nl80211_prepare_netdev_dump(struct sk_buff *skb, |
276 | struct netlink_callback *cb, | |
277 | struct cfg80211_registered_device **rdev, | |
278 | struct net_device **dev) | |
279 | { | |
280 | int ifidx = cb->args[0]; | |
281 | int err; | |
282 | ||
283 | if (!ifidx) | |
284 | ifidx = nl80211_get_ifidx(cb); | |
285 | if (ifidx < 0) | |
286 | return ifidx; | |
287 | ||
288 | cb->args[0] = ifidx; | |
289 | ||
290 | rtnl_lock(); | |
291 | ||
292 | *dev = __dev_get_by_index(sock_net(skb->sk), ifidx); | |
293 | if (!*dev) { | |
294 | err = -ENODEV; | |
295 | goto out_rtnl; | |
296 | } | |
297 | ||
298 | *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); | |
3cc25e51 FF |
299 | if (IS_ERR(*rdev)) { |
300 | err = PTR_ERR(*rdev); | |
67748893 JB |
301 | goto out_rtnl; |
302 | } | |
303 | ||
304 | return 0; | |
305 | out_rtnl: | |
306 | rtnl_unlock(); | |
307 | return err; | |
308 | } | |
309 | ||
310 | static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev) | |
311 | { | |
312 | cfg80211_unlock_rdev(rdev); | |
313 | rtnl_unlock(); | |
314 | } | |
315 | ||
f4a11bb0 JB |
316 | /* IE validation */ |
317 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
318 | { | |
319 | const u8 *pos; | |
320 | int len; | |
321 | ||
322 | if (!attr) | |
323 | return true; | |
324 | ||
325 | pos = nla_data(attr); | |
326 | len = nla_len(attr); | |
327 | ||
328 | while (len) { | |
329 | u8 elemlen; | |
330 | ||
331 | if (len < 2) | |
332 | return false; | |
333 | len -= 2; | |
334 | ||
335 | elemlen = pos[1]; | |
336 | if (elemlen > len) | |
337 | return false; | |
338 | ||
339 | len -= elemlen; | |
340 | pos += 2 + elemlen; | |
341 | } | |
342 | ||
343 | return true; | |
344 | } | |
345 | ||
55682965 JB |
346 | /* message building helper */ |
347 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, | |
348 | int flags, u8 cmd) | |
349 | { | |
350 | /* since there is no private header just add the generic one */ | |
351 | return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); | |
352 | } | |
353 | ||
5dab3b8a LR |
354 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
355 | struct ieee80211_channel *chan) | |
356 | { | |
357 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, | |
358 | chan->center_freq); | |
359 | ||
360 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
361 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); | |
362 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
363 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); | |
364 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) | |
365 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); | |
366 | if (chan->flags & IEEE80211_CHAN_RADAR) | |
367 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); | |
368 | ||
369 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, | |
370 | DBM_TO_MBM(chan->max_power)); | |
371 | ||
372 | return 0; | |
373 | ||
374 | nla_put_failure: | |
375 | return -ENOBUFS; | |
376 | } | |
377 | ||
55682965 JB |
378 | /* netlink command implementations */ |
379 | ||
b9454e83 JB |
380 | struct key_parse { |
381 | struct key_params p; | |
382 | int idx; | |
e31b8213 | 383 | int type; |
b9454e83 | 384 | bool def, defmgmt; |
dbd2fd65 | 385 | bool def_uni, def_multi; |
b9454e83 JB |
386 | }; |
387 | ||
388 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
389 | { | |
390 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
391 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
392 | nl80211_key_policy); | |
393 | if (err) | |
394 | return err; | |
395 | ||
396 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
397 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
398 | ||
dbd2fd65 JB |
399 | if (k->def) { |
400 | k->def_uni = true; | |
401 | k->def_multi = true; | |
402 | } | |
403 | if (k->defmgmt) | |
404 | k->def_multi = true; | |
405 | ||
b9454e83 JB |
406 | if (tb[NL80211_KEY_IDX]) |
407 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
408 | ||
409 | if (tb[NL80211_KEY_DATA]) { | |
410 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
411 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
412 | } | |
413 | ||
414 | if (tb[NL80211_KEY_SEQ]) { | |
415 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
416 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
417 | } | |
418 | ||
419 | if (tb[NL80211_KEY_CIPHER]) | |
420 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
421 | ||
e31b8213 JB |
422 | if (tb[NL80211_KEY_TYPE]) { |
423 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
424 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
425 | return -EINVAL; | |
426 | } | |
427 | ||
dbd2fd65 JB |
428 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
429 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
430 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
431 | tb[NL80211_KEY_DEFAULT_TYPES], | |
432 | nl80211_key_default_policy); | |
dbd2fd65 JB |
433 | if (err) |
434 | return err; | |
435 | ||
436 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
437 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
438 | } | |
439 | ||
b9454e83 JB |
440 | return 0; |
441 | } | |
442 | ||
443 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
444 | { | |
445 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
446 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
447 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
448 | } | |
449 | ||
450 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
451 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
452 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
453 | } | |
454 | ||
455 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
456 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
457 | ||
458 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
459 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
460 | ||
461 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
462 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
463 | ||
dbd2fd65 JB |
464 | if (k->def) { |
465 | k->def_uni = true; | |
466 | k->def_multi = true; | |
467 | } | |
468 | if (k->defmgmt) | |
469 | k->def_multi = true; | |
470 | ||
e31b8213 JB |
471 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
472 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
473 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
474 | return -EINVAL; | |
475 | } | |
476 | ||
dbd2fd65 JB |
477 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
478 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
479 | int err = nla_parse_nested( | |
480 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
481 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
482 | nl80211_key_default_policy); | |
483 | if (err) | |
484 | return err; | |
485 | ||
486 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
487 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
488 | } | |
489 | ||
b9454e83 JB |
490 | return 0; |
491 | } | |
492 | ||
493 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
494 | { | |
495 | int err; | |
496 | ||
497 | memset(k, 0, sizeof(*k)); | |
498 | k->idx = -1; | |
e31b8213 | 499 | k->type = -1; |
b9454e83 JB |
500 | |
501 | if (info->attrs[NL80211_ATTR_KEY]) | |
502 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
503 | else | |
504 | err = nl80211_parse_key_old(info, k); | |
505 | ||
506 | if (err) | |
507 | return err; | |
508 | ||
509 | if (k->def && k->defmgmt) | |
510 | return -EINVAL; | |
511 | ||
dbd2fd65 JB |
512 | if (k->defmgmt) { |
513 | if (k->def_uni || !k->def_multi) | |
514 | return -EINVAL; | |
515 | } | |
516 | ||
b9454e83 JB |
517 | if (k->idx != -1) { |
518 | if (k->defmgmt) { | |
519 | if (k->idx < 4 || k->idx > 5) | |
520 | return -EINVAL; | |
521 | } else if (k->def) { | |
522 | if (k->idx < 0 || k->idx > 3) | |
523 | return -EINVAL; | |
524 | } else { | |
525 | if (k->idx < 0 || k->idx > 5) | |
526 | return -EINVAL; | |
527 | } | |
528 | } | |
529 | ||
530 | return 0; | |
531 | } | |
532 | ||
fffd0934 JB |
533 | static struct cfg80211_cached_keys * |
534 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
535 | struct nlattr *keys) | |
536 | { | |
537 | struct key_parse parse; | |
538 | struct nlattr *key; | |
539 | struct cfg80211_cached_keys *result; | |
540 | int rem, err, def = 0; | |
541 | ||
542 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
543 | if (!result) | |
544 | return ERR_PTR(-ENOMEM); | |
545 | ||
546 | result->def = -1; | |
547 | result->defmgmt = -1; | |
548 | ||
549 | nla_for_each_nested(key, keys, rem) { | |
550 | memset(&parse, 0, sizeof(parse)); | |
551 | parse.idx = -1; | |
552 | ||
553 | err = nl80211_parse_key_new(key, &parse); | |
554 | if (err) | |
555 | goto error; | |
556 | err = -EINVAL; | |
557 | if (!parse.p.key) | |
558 | goto error; | |
559 | if (parse.idx < 0 || parse.idx > 4) | |
560 | goto error; | |
561 | if (parse.def) { | |
562 | if (def) | |
563 | goto error; | |
564 | def = 1; | |
565 | result->def = parse.idx; | |
dbd2fd65 JB |
566 | if (!parse.def_uni || !parse.def_multi) |
567 | goto error; | |
fffd0934 JB |
568 | } else if (parse.defmgmt) |
569 | goto error; | |
570 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 571 | parse.idx, false, NULL); |
fffd0934 JB |
572 | if (err) |
573 | goto error; | |
574 | result->params[parse.idx].cipher = parse.p.cipher; | |
575 | result->params[parse.idx].key_len = parse.p.key_len; | |
576 | result->params[parse.idx].key = result->data[parse.idx]; | |
577 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
578 | } | |
579 | ||
580 | return result; | |
581 | error: | |
582 | kfree(result); | |
583 | return ERR_PTR(err); | |
584 | } | |
585 | ||
586 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
587 | { | |
588 | ASSERT_WDEV_LOCK(wdev); | |
589 | ||
fffd0934 JB |
590 | switch (wdev->iftype) { |
591 | case NL80211_IFTYPE_AP: | |
592 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 593 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 594 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
595 | break; |
596 | case NL80211_IFTYPE_ADHOC: | |
597 | if (!wdev->current_bss) | |
598 | return -ENOLINK; | |
599 | break; | |
600 | case NL80211_IFTYPE_STATION: | |
074ac8df | 601 | case NL80211_IFTYPE_P2P_CLIENT: |
fffd0934 JB |
602 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
603 | return -ENOLINK; | |
604 | break; | |
605 | default: | |
606 | return -EINVAL; | |
607 | } | |
608 | ||
609 | return 0; | |
610 | } | |
611 | ||
7527a782 JB |
612 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
613 | { | |
614 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
615 | int i; | |
616 | ||
617 | if (!nl_modes) | |
618 | goto nla_put_failure; | |
619 | ||
620 | i = 0; | |
621 | while (ifmodes) { | |
622 | if (ifmodes & 1) | |
623 | NLA_PUT_FLAG(msg, i); | |
624 | ifmodes >>= 1; | |
625 | i++; | |
626 | } | |
627 | ||
628 | nla_nest_end(msg, nl_modes); | |
629 | return 0; | |
630 | ||
631 | nla_put_failure: | |
632 | return -ENOBUFS; | |
633 | } | |
634 | ||
635 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
636 | struct sk_buff *msg) | |
637 | { | |
638 | struct nlattr *nl_combis; | |
639 | int i, j; | |
640 | ||
641 | nl_combis = nla_nest_start(msg, | |
642 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
643 | if (!nl_combis) | |
644 | goto nla_put_failure; | |
645 | ||
646 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
647 | const struct ieee80211_iface_combination *c; | |
648 | struct nlattr *nl_combi, *nl_limits; | |
649 | ||
650 | c = &wiphy->iface_combinations[i]; | |
651 | ||
652 | nl_combi = nla_nest_start(msg, i + 1); | |
653 | if (!nl_combi) | |
654 | goto nla_put_failure; | |
655 | ||
656 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
657 | if (!nl_limits) | |
658 | goto nla_put_failure; | |
659 | ||
660 | for (j = 0; j < c->n_limits; j++) { | |
661 | struct nlattr *nl_limit; | |
662 | ||
663 | nl_limit = nla_nest_start(msg, j + 1); | |
664 | if (!nl_limit) | |
665 | goto nla_put_failure; | |
666 | NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX, | |
667 | c->limits[j].max); | |
668 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, | |
669 | c->limits[j].types)) | |
670 | goto nla_put_failure; | |
671 | nla_nest_end(msg, nl_limit); | |
672 | } | |
673 | ||
674 | nla_nest_end(msg, nl_limits); | |
675 | ||
676 | if (c->beacon_int_infra_match) | |
677 | NLA_PUT_FLAG(msg, | |
678 | NL80211_IFACE_COMB_STA_AP_BI_MATCH); | |
679 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
680 | c->num_different_channels); | |
681 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM, | |
682 | c->max_interfaces); | |
683 | ||
684 | nla_nest_end(msg, nl_combi); | |
685 | } | |
686 | ||
687 | nla_nest_end(msg, nl_combis); | |
688 | ||
689 | return 0; | |
690 | nla_put_failure: | |
691 | return -ENOBUFS; | |
692 | } | |
693 | ||
55682965 JB |
694 | static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, |
695 | struct cfg80211_registered_device *dev) | |
696 | { | |
697 | void *hdr; | |
ee688b00 JB |
698 | struct nlattr *nl_bands, *nl_band; |
699 | struct nlattr *nl_freqs, *nl_freq; | |
700 | struct nlattr *nl_rates, *nl_rate; | |
8fdc621d | 701 | struct nlattr *nl_cmds; |
ee688b00 JB |
702 | enum ieee80211_band band; |
703 | struct ieee80211_channel *chan; | |
704 | struct ieee80211_rate *rate; | |
705 | int i; | |
2e161f78 JB |
706 | const struct ieee80211_txrx_stypes *mgmt_stypes = |
707 | dev->wiphy.mgmt_stypes; | |
55682965 JB |
708 | |
709 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); | |
710 | if (!hdr) | |
711 | return -1; | |
712 | ||
b5850a7a | 713 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx); |
55682965 | 714 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); |
b9a5f8ca | 715 | |
f5ea9120 JB |
716 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, |
717 | cfg80211_rdev_list_generation); | |
718 | ||
b9a5f8ca JM |
719 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, |
720 | dev->wiphy.retry_short); | |
721 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
722 | dev->wiphy.retry_long); | |
723 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
724 | dev->wiphy.frag_threshold); | |
725 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
726 | dev->wiphy.rts_threshold); | |
81077e82 LT |
727 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
728 | dev->wiphy.coverage_class); | |
2a519311 JB |
729 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
730 | dev->wiphy.max_scan_ssids); | |
93b6aa69 LC |
731 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
732 | dev->wiphy.max_sched_scan_ssids); | |
18a83659 JB |
733 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
734 | dev->wiphy.max_scan_ie_len); | |
5a865bad LC |
735 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
736 | dev->wiphy.max_sched_scan_ie_len); | |
a1f1c21c LC |
737 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
738 | dev->wiphy.max_match_sets); | |
ee688b00 | 739 | |
e31b8213 JB |
740 | if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) |
741 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN); | |
15d5dda6 JC |
742 | if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) |
743 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH); | |
cedb5412 EP |
744 | if (dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) |
745 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_AP_UAPSD); | |
f4b34b55 VN |
746 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) |
747 | NLA_PUT_FLAG(msg, NL80211_ATTR_ROAM_SUPPORT); | |
109086ce AN |
748 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) |
749 | NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_SUPPORT); | |
750 | if (dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) | |
751 | NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP); | |
f4b34b55 | 752 | |
25e47c18 JB |
753 | NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES, |
754 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
755 | dev->wiphy.cipher_suites); | |
756 | ||
67fbb16b SO |
757 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
758 | dev->wiphy.max_num_pmkids); | |
759 | ||
c0692b8f JB |
760 | if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) |
761 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); | |
762 | ||
39fd5de4 BR |
763 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
764 | dev->wiphy.available_antennas_tx); | |
765 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
766 | dev->wiphy.available_antennas_rx); | |
767 | ||
87bbbe22 AN |
768 | if (dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) |
769 | NLA_PUT_U32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
770 | dev->wiphy.probe_resp_offload); | |
771 | ||
7f531e03 BR |
772 | if ((dev->wiphy.available_antennas_tx || |
773 | dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { | |
afe0cbf8 BR |
774 | u32 tx_ant = 0, rx_ant = 0; |
775 | int res; | |
776 | res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant); | |
777 | if (!res) { | |
778 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); | |
779 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); | |
780 | } | |
781 | } | |
782 | ||
7527a782 JB |
783 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, |
784 | dev->wiphy.interface_modes)) | |
f59ac048 LR |
785 | goto nla_put_failure; |
786 | ||
ee688b00 JB |
787 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); |
788 | if (!nl_bands) | |
789 | goto nla_put_failure; | |
790 | ||
791 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
792 | if (!dev->wiphy.bands[band]) | |
793 | continue; | |
794 | ||
795 | nl_band = nla_nest_start(msg, band); | |
796 | if (!nl_band) | |
797 | goto nla_put_failure; | |
798 | ||
d51626df JB |
799 | /* add HT info */ |
800 | if (dev->wiphy.bands[band]->ht_cap.ht_supported) { | |
801 | NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
802 | sizeof(dev->wiphy.bands[band]->ht_cap.mcs), | |
803 | &dev->wiphy.bands[band]->ht_cap.mcs); | |
804 | NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
805 | dev->wiphy.bands[band]->ht_cap.cap); | |
806 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
807 | dev->wiphy.bands[band]->ht_cap.ampdu_factor); | |
808 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
809 | dev->wiphy.bands[band]->ht_cap.ampdu_density); | |
810 | } | |
811 | ||
ee688b00 JB |
812 | /* add frequencies */ |
813 | nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); | |
814 | if (!nl_freqs) | |
815 | goto nla_put_failure; | |
816 | ||
817 | for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { | |
818 | nl_freq = nla_nest_start(msg, i); | |
819 | if (!nl_freq) | |
820 | goto nla_put_failure; | |
821 | ||
822 | chan = &dev->wiphy.bands[band]->channels[i]; | |
5dab3b8a LR |
823 | |
824 | if (nl80211_msg_put_channel(msg, chan)) | |
825 | goto nla_put_failure; | |
e2f367f2 | 826 | |
ee688b00 JB |
827 | nla_nest_end(msg, nl_freq); |
828 | } | |
829 | ||
830 | nla_nest_end(msg, nl_freqs); | |
831 | ||
832 | /* add bitrates */ | |
833 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
834 | if (!nl_rates) | |
835 | goto nla_put_failure; | |
836 | ||
837 | for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { | |
838 | nl_rate = nla_nest_start(msg, i); | |
839 | if (!nl_rate) | |
840 | goto nla_put_failure; | |
841 | ||
842 | rate = &dev->wiphy.bands[band]->bitrates[i]; | |
843 | NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, | |
844 | rate->bitrate); | |
845 | if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) | |
846 | NLA_PUT_FLAG(msg, | |
847 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); | |
848 | ||
849 | nla_nest_end(msg, nl_rate); | |
850 | } | |
851 | ||
852 | nla_nest_end(msg, nl_rates); | |
853 | ||
854 | nla_nest_end(msg, nl_band); | |
855 | } | |
856 | nla_nest_end(msg, nl_bands); | |
857 | ||
8fdc621d JB |
858 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); |
859 | if (!nl_cmds) | |
860 | goto nla_put_failure; | |
861 | ||
862 | i = 0; | |
863 | #define CMD(op, n) \ | |
864 | do { \ | |
865 | if (dev->ops->op) { \ | |
866 | i++; \ | |
867 | NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \ | |
868 | } \ | |
869 | } while (0) | |
870 | ||
871 | CMD(add_virtual_intf, NEW_INTERFACE); | |
872 | CMD(change_virtual_intf, SET_INTERFACE); | |
873 | CMD(add_key, NEW_KEY); | |
8860020e | 874 | CMD(start_ap, START_AP); |
8fdc621d JB |
875 | CMD(add_station, NEW_STATION); |
876 | CMD(add_mpath, NEW_MPATH); | |
24bdd9f4 | 877 | CMD(update_mesh_config, SET_MESH_CONFIG); |
8fdc621d | 878 | CMD(change_bss, SET_BSS); |
636a5d36 JM |
879 | CMD(auth, AUTHENTICATE); |
880 | CMD(assoc, ASSOCIATE); | |
881 | CMD(deauth, DEAUTHENTICATE); | |
882 | CMD(disassoc, DISASSOCIATE); | |
04a773ad | 883 | CMD(join_ibss, JOIN_IBSS); |
29cbe68c | 884 | CMD(join_mesh, JOIN_MESH); |
67fbb16b SO |
885 | CMD(set_pmksa, SET_PMKSA); |
886 | CMD(del_pmksa, DEL_PMKSA); | |
887 | CMD(flush_pmksa, FLUSH_PMKSA); | |
7c4ef712 JB |
888 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
889 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
13ae75b1 | 890 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); |
2e161f78 | 891 | CMD(mgmt_tx, FRAME); |
f7ca38df | 892 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); |
5be83de5 | 893 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
463d0183 JB |
894 | i++; |
895 | NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS); | |
896 | } | |
f444de05 | 897 | CMD(set_channel, SET_CHANNEL); |
e8347eba | 898 | CMD(set_wds_peer, SET_WDS_PEER); |
109086ce AN |
899 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
900 | CMD(tdls_mgmt, TDLS_MGMT); | |
901 | CMD(tdls_oper, TDLS_OPER); | |
902 | } | |
807f8a8c LC |
903 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
904 | CMD(sched_scan_start, START_SCHED_SCAN); | |
7f6cf311 | 905 | CMD(probe_client, PROBE_CLIENT); |
1d9d9213 | 906 | CMD(set_noack_map, SET_NOACK_MAP); |
5e760230 JB |
907 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
908 | i++; | |
909 | NLA_PUT_U32(msg, i, NL80211_CMD_REGISTER_BEACONS); | |
910 | } | |
8fdc621d | 911 | |
4745fc09 KV |
912 | #ifdef CONFIG_NL80211_TESTMODE |
913 | CMD(testmode_cmd, TESTMODE); | |
914 | #endif | |
915 | ||
8fdc621d | 916 | #undef CMD |
b23aa676 | 917 | |
6829c878 | 918 | if (dev->ops->connect || dev->ops->auth) { |
b23aa676 SO |
919 | i++; |
920 | NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT); | |
921 | } | |
922 | ||
6829c878 | 923 | if (dev->ops->disconnect || dev->ops->deauth) { |
b23aa676 SO |
924 | i++; |
925 | NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT); | |
926 | } | |
927 | ||
8fdc621d JB |
928 | nla_nest_end(msg, nl_cmds); |
929 | ||
7c4ef712 JB |
930 | if (dev->ops->remain_on_channel && |
931 | dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
a293911d JB |
932 | NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, |
933 | dev->wiphy.max_remain_on_channel_duration); | |
934 | ||
7c4ef712 | 935 | if (dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) |
f7ca38df JB |
936 | NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); |
937 | ||
2e161f78 JB |
938 | if (mgmt_stypes) { |
939 | u16 stypes; | |
940 | struct nlattr *nl_ftypes, *nl_ifs; | |
941 | enum nl80211_iftype ift; | |
942 | ||
943 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); | |
944 | if (!nl_ifs) | |
945 | goto nla_put_failure; | |
946 | ||
947 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
948 | nl_ftypes = nla_nest_start(msg, ift); | |
949 | if (!nl_ftypes) | |
950 | goto nla_put_failure; | |
951 | i = 0; | |
952 | stypes = mgmt_stypes[ift].tx; | |
953 | while (stypes) { | |
954 | if (stypes & 1) | |
955 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
956 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
957 | stypes >>= 1; | |
958 | i++; | |
959 | } | |
960 | nla_nest_end(msg, nl_ftypes); | |
961 | } | |
962 | ||
74b70a4e JB |
963 | nla_nest_end(msg, nl_ifs); |
964 | ||
2e161f78 JB |
965 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
966 | if (!nl_ifs) | |
967 | goto nla_put_failure; | |
968 | ||
969 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
970 | nl_ftypes = nla_nest_start(msg, ift); | |
971 | if (!nl_ftypes) | |
972 | goto nla_put_failure; | |
973 | i = 0; | |
974 | stypes = mgmt_stypes[ift].rx; | |
975 | while (stypes) { | |
976 | if (stypes & 1) | |
977 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, | |
978 | (i << 4) | IEEE80211_FTYPE_MGMT); | |
979 | stypes >>= 1; | |
980 | i++; | |
981 | } | |
982 | nla_nest_end(msg, nl_ftypes); | |
983 | } | |
984 | nla_nest_end(msg, nl_ifs); | |
985 | } | |
986 | ||
ff1b6e69 JB |
987 | if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) { |
988 | struct nlattr *nl_wowlan; | |
989 | ||
990 | nl_wowlan = nla_nest_start(msg, | |
991 | NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); | |
992 | if (!nl_wowlan) | |
993 | goto nla_put_failure; | |
994 | ||
995 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) | |
996 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
997 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) | |
998 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
999 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) | |
1000 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
77dbbb13 JB |
1001 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) |
1002 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED); | |
1003 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) | |
1004 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
1005 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) | |
1006 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
1007 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) | |
1008 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
1009 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) | |
1010 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
ff1b6e69 JB |
1011 | if (dev->wiphy.wowlan.n_patterns) { |
1012 | struct nl80211_wowlan_pattern_support pat = { | |
1013 | .max_patterns = dev->wiphy.wowlan.n_patterns, | |
1014 | .min_pattern_len = | |
1015 | dev->wiphy.wowlan.pattern_min_len, | |
1016 | .max_pattern_len = | |
1017 | dev->wiphy.wowlan.pattern_max_len, | |
1018 | }; | |
1019 | NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
1020 | sizeof(pat), &pat); | |
1021 | } | |
1022 | ||
1023 | nla_nest_end(msg, nl_wowlan); | |
1024 | } | |
1025 | ||
7527a782 JB |
1026 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, |
1027 | dev->wiphy.software_iftypes)) | |
1028 | goto nla_put_failure; | |
1029 | ||
1030 | if (nl80211_put_iface_combinations(&dev->wiphy, msg)) | |
1031 | goto nla_put_failure; | |
1032 | ||
562a7480 JB |
1033 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) |
1034 | NLA_PUT_U32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1035 | dev->wiphy.ap_sme_capa); | |
1036 | ||
1f074bd8 JB |
1037 | NLA_PUT_U32(msg, NL80211_ATTR_FEATURE_FLAGS, dev->wiphy.features); |
1038 | ||
7e7c8926 BG |
1039 | if (dev->wiphy.ht_capa_mod_mask) |
1040 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1041 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1042 | dev->wiphy.ht_capa_mod_mask); | |
1043 | ||
55682965 JB |
1044 | return genlmsg_end(msg, hdr); |
1045 | ||
1046 | nla_put_failure: | |
bc3ed28c TG |
1047 | genlmsg_cancel(msg, hdr); |
1048 | return -EMSGSIZE; | |
55682965 JB |
1049 | } |
1050 | ||
1051 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) | |
1052 | { | |
1053 | int idx = 0; | |
1054 | int start = cb->args[0]; | |
1055 | struct cfg80211_registered_device *dev; | |
1056 | ||
a1794390 | 1057 | mutex_lock(&cfg80211_mutex); |
79c97e97 | 1058 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1059 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1060 | continue; | |
b4637271 | 1061 | if (++idx <= start) |
55682965 JB |
1062 | continue; |
1063 | if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, | |
1064 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
b4637271 JV |
1065 | dev) < 0) { |
1066 | idx--; | |
55682965 | 1067 | break; |
b4637271 | 1068 | } |
55682965 | 1069 | } |
a1794390 | 1070 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1071 | |
1072 | cb->args[0] = idx; | |
1073 | ||
1074 | return skb->len; | |
1075 | } | |
1076 | ||
1077 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) | |
1078 | { | |
1079 | struct sk_buff *msg; | |
4c476991 | 1080 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
55682965 | 1081 | |
fd2120ca | 1082 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1083 | if (!msg) |
4c476991 | 1084 | return -ENOMEM; |
55682965 | 1085 | |
4c476991 JB |
1086 | if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { |
1087 | nlmsg_free(msg); | |
1088 | return -ENOBUFS; | |
1089 | } | |
55682965 | 1090 | |
134e6375 | 1091 | return genlmsg_reply(msg, info); |
55682965 JB |
1092 | } |
1093 | ||
31888487 JM |
1094 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1095 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1096 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1097 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1098 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1099 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1100 | }; | |
1101 | ||
1102 | static int parse_txq_params(struct nlattr *tb[], | |
1103 | struct ieee80211_txq_params *txq_params) | |
1104 | { | |
1105 | if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] || | |
1106 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || | |
1107 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1108 | return -EINVAL; | |
1109 | ||
1110 | txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]); | |
1111 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); | |
1112 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1113 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1114 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1115 | ||
1116 | return 0; | |
1117 | } | |
1118 | ||
f444de05 JB |
1119 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1120 | { | |
1121 | /* | |
1122 | * You can only set the channel explicitly for AP, mesh | |
1123 | * and WDS type interfaces; all others have their channel | |
1124 | * managed via their respective "establish a connection" | |
1125 | * command (connect, join, ...) | |
1126 | * | |
1127 | * Monitors are special as they are normally slaved to | |
1128 | * whatever else is going on, so they behave as though | |
1129 | * you tried setting the wiphy channel itself. | |
1130 | */ | |
1131 | return !wdev || | |
1132 | wdev->iftype == NL80211_IFTYPE_AP || | |
1133 | wdev->iftype == NL80211_IFTYPE_WDS || | |
1134 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || | |
074ac8df JB |
1135 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1136 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1137 | } |
1138 | ||
1139 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, | |
1140 | struct wireless_dev *wdev, | |
1141 | struct genl_info *info) | |
1142 | { | |
1143 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
1144 | u32 freq; | |
1145 | int result; | |
1146 | ||
1147 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1148 | return -EINVAL; | |
1149 | ||
1150 | if (!nl80211_can_set_dev_channel(wdev)) | |
1151 | return -EOPNOTSUPP; | |
1152 | ||
1153 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { | |
1154 | channel_type = nla_get_u32(info->attrs[ | |
1155 | NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1156 | if (channel_type != NL80211_CHAN_NO_HT && | |
1157 | channel_type != NL80211_CHAN_HT20 && | |
1158 | channel_type != NL80211_CHAN_HT40PLUS && | |
1159 | channel_type != NL80211_CHAN_HT40MINUS) | |
1160 | return -EINVAL; | |
1161 | } | |
1162 | ||
1163 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1164 | ||
1165 | mutex_lock(&rdev->devlist_mtx); | |
1166 | if (wdev) { | |
1167 | wdev_lock(wdev); | |
1168 | result = cfg80211_set_freq(rdev, wdev, freq, channel_type); | |
1169 | wdev_unlock(wdev); | |
1170 | } else { | |
1171 | result = cfg80211_set_freq(rdev, NULL, freq, channel_type); | |
1172 | } | |
1173 | mutex_unlock(&rdev->devlist_mtx); | |
1174 | ||
1175 | return result; | |
1176 | } | |
1177 | ||
1178 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1179 | { | |
4c476991 JB |
1180 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1181 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1182 | |
4c476991 | 1183 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1184 | } |
1185 | ||
e8347eba BJ |
1186 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1187 | { | |
43b19952 JB |
1188 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1189 | struct net_device *dev = info->user_ptr[1]; | |
1190 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1191 | const u8 *bssid; |
e8347eba BJ |
1192 | |
1193 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1194 | return -EINVAL; | |
1195 | ||
43b19952 JB |
1196 | if (netif_running(dev)) |
1197 | return -EBUSY; | |
e8347eba | 1198 | |
43b19952 JB |
1199 | if (!rdev->ops->set_wds_peer) |
1200 | return -EOPNOTSUPP; | |
e8347eba | 1201 | |
43b19952 JB |
1202 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1203 | return -EOPNOTSUPP; | |
e8347eba BJ |
1204 | |
1205 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
43b19952 | 1206 | return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); |
e8347eba BJ |
1207 | } |
1208 | ||
1209 | ||
55682965 JB |
1210 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1211 | { | |
1212 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1213 | struct net_device *netdev = NULL; |
1214 | struct wireless_dev *wdev; | |
a1e567c8 | 1215 | int result = 0, rem_txq_params = 0; |
31888487 | 1216 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1217 | u32 changed; |
1218 | u8 retry_short = 0, retry_long = 0; | |
1219 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1220 | u8 coverage_class = 0; |
55682965 | 1221 | |
f444de05 JB |
1222 | /* |
1223 | * Try to find the wiphy and netdev. Normally this | |
1224 | * function shouldn't need the netdev, but this is | |
1225 | * done for backward compatibility -- previously | |
1226 | * setting the channel was done per wiphy, but now | |
1227 | * it is per netdev. Previous userland like hostapd | |
1228 | * also passed a netdev to set_wiphy, so that it is | |
1229 | * possible to let that go to the right netdev! | |
1230 | */ | |
4bbf4d56 JB |
1231 | mutex_lock(&cfg80211_mutex); |
1232 | ||
f444de05 JB |
1233 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1234 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1235 | ||
1236 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
1237 | if (netdev && netdev->ieee80211_ptr) { | |
1238 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); | |
1239 | mutex_lock(&rdev->mtx); | |
1240 | } else | |
1241 | netdev = NULL; | |
4bbf4d56 JB |
1242 | } |
1243 | ||
f444de05 JB |
1244 | if (!netdev) { |
1245 | rdev = __cfg80211_rdev_from_info(info); | |
1246 | if (IS_ERR(rdev)) { | |
1247 | mutex_unlock(&cfg80211_mutex); | |
4c476991 | 1248 | return PTR_ERR(rdev); |
f444de05 JB |
1249 | } |
1250 | wdev = NULL; | |
1251 | netdev = NULL; | |
1252 | result = 0; | |
1253 | ||
1254 | mutex_lock(&rdev->mtx); | |
1255 | } else if (netif_running(netdev) && | |
1256 | nl80211_can_set_dev_channel(netdev->ieee80211_ptr)) | |
1257 | wdev = netdev->ieee80211_ptr; | |
1258 | else | |
1259 | wdev = NULL; | |
1260 | ||
1261 | /* | |
1262 | * end workaround code, by now the rdev is available | |
1263 | * and locked, and wdev may or may not be NULL. | |
1264 | */ | |
4bbf4d56 JB |
1265 | |
1266 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1267 | result = cfg80211_dev_rename( |
1268 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 JB |
1269 | |
1270 | mutex_unlock(&cfg80211_mutex); | |
1271 | ||
1272 | if (result) | |
1273 | goto bad_res; | |
31888487 JM |
1274 | |
1275 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1276 | struct ieee80211_txq_params txq_params; | |
1277 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1278 | ||
1279 | if (!rdev->ops->set_txq_params) { | |
1280 | result = -EOPNOTSUPP; | |
1281 | goto bad_res; | |
1282 | } | |
1283 | ||
f70f01c2 EP |
1284 | if (!netdev) { |
1285 | result = -EINVAL; | |
1286 | goto bad_res; | |
1287 | } | |
1288 | ||
133a3ff2 JB |
1289 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
1290 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
1291 | result = -EINVAL; | |
1292 | goto bad_res; | |
1293 | } | |
1294 | ||
31888487 JM |
1295 | nla_for_each_nested(nl_txq_params, |
1296 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
1297 | rem_txq_params) { | |
1298 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
1299 | nla_data(nl_txq_params), | |
1300 | nla_len(nl_txq_params), | |
1301 | txq_params_policy); | |
1302 | result = parse_txq_params(tb, &txq_params); | |
1303 | if (result) | |
1304 | goto bad_res; | |
1305 | ||
1306 | result = rdev->ops->set_txq_params(&rdev->wiphy, | |
f70f01c2 | 1307 | netdev, |
31888487 JM |
1308 | &txq_params); |
1309 | if (result) | |
1310 | goto bad_res; | |
1311 | } | |
1312 | } | |
55682965 | 1313 | |
72bdcf34 | 1314 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
f444de05 | 1315 | result = __nl80211_set_channel(rdev, wdev, info); |
72bdcf34 JM |
1316 | if (result) |
1317 | goto bad_res; | |
1318 | } | |
1319 | ||
98d2ff8b JO |
1320 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
1321 | enum nl80211_tx_power_setting type; | |
1322 | int idx, mbm = 0; | |
1323 | ||
1324 | if (!rdev->ops->set_tx_power) { | |
60ea385f | 1325 | result = -EOPNOTSUPP; |
98d2ff8b JO |
1326 | goto bad_res; |
1327 | } | |
1328 | ||
1329 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
1330 | type = nla_get_u32(info->attrs[idx]); | |
1331 | ||
1332 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
1333 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
1334 | result = -EINVAL; | |
1335 | goto bad_res; | |
1336 | } | |
1337 | ||
1338 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
1339 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
1340 | mbm = nla_get_u32(info->attrs[idx]); | |
1341 | } | |
1342 | ||
1343 | result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm); | |
1344 | if (result) | |
1345 | goto bad_res; | |
1346 | } | |
1347 | ||
afe0cbf8 BR |
1348 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
1349 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
1350 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
1351 | if ((!rdev->wiphy.available_antennas_tx && |
1352 | !rdev->wiphy.available_antennas_rx) || | |
1353 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
1354 | result = -EOPNOTSUPP; |
1355 | goto bad_res; | |
1356 | } | |
1357 | ||
1358 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
1359 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
1360 | ||
a7ffac95 | 1361 | /* reject antenna configurations which don't match the |
7f531e03 BR |
1362 | * available antenna masks, except for the "all" mask */ |
1363 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
1364 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
1365 | result = -EINVAL; |
1366 | goto bad_res; | |
1367 | } | |
1368 | ||
7f531e03 BR |
1369 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
1370 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 1371 | |
afe0cbf8 BR |
1372 | result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); |
1373 | if (result) | |
1374 | goto bad_res; | |
1375 | } | |
1376 | ||
b9a5f8ca JM |
1377 | changed = 0; |
1378 | ||
1379 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
1380 | retry_short = nla_get_u8( | |
1381 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
1382 | if (retry_short == 0) { | |
1383 | result = -EINVAL; | |
1384 | goto bad_res; | |
1385 | } | |
1386 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
1387 | } | |
1388 | ||
1389 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
1390 | retry_long = nla_get_u8( | |
1391 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
1392 | if (retry_long == 0) { | |
1393 | result = -EINVAL; | |
1394 | goto bad_res; | |
1395 | } | |
1396 | changed |= WIPHY_PARAM_RETRY_LONG; | |
1397 | } | |
1398 | ||
1399 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
1400 | frag_threshold = nla_get_u32( | |
1401 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
1402 | if (frag_threshold < 256) { | |
1403 | result = -EINVAL; | |
1404 | goto bad_res; | |
1405 | } | |
1406 | if (frag_threshold != (u32) -1) { | |
1407 | /* | |
1408 | * Fragments (apart from the last one) are required to | |
1409 | * have even length. Make the fragmentation code | |
1410 | * simpler by stripping LSB should someone try to use | |
1411 | * odd threshold value. | |
1412 | */ | |
1413 | frag_threshold &= ~0x1; | |
1414 | } | |
1415 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
1416 | } | |
1417 | ||
1418 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
1419 | rts_threshold = nla_get_u32( | |
1420 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
1421 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
1422 | } | |
1423 | ||
81077e82 LT |
1424 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
1425 | coverage_class = nla_get_u8( | |
1426 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
1427 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
1428 | } | |
1429 | ||
b9a5f8ca JM |
1430 | if (changed) { |
1431 | u8 old_retry_short, old_retry_long; | |
1432 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 1433 | u8 old_coverage_class; |
b9a5f8ca JM |
1434 | |
1435 | if (!rdev->ops->set_wiphy_params) { | |
1436 | result = -EOPNOTSUPP; | |
1437 | goto bad_res; | |
1438 | } | |
1439 | ||
1440 | old_retry_short = rdev->wiphy.retry_short; | |
1441 | old_retry_long = rdev->wiphy.retry_long; | |
1442 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
1443 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 1444 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
1445 | |
1446 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1447 | rdev->wiphy.retry_short = retry_short; | |
1448 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1449 | rdev->wiphy.retry_long = retry_long; | |
1450 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
1451 | rdev->wiphy.frag_threshold = frag_threshold; | |
1452 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
1453 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
1454 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
1455 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca JM |
1456 | |
1457 | result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed); | |
1458 | if (result) { | |
1459 | rdev->wiphy.retry_short = old_retry_short; | |
1460 | rdev->wiphy.retry_long = old_retry_long; | |
1461 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
1462 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 1463 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
1464 | } |
1465 | } | |
72bdcf34 | 1466 | |
306d6112 | 1467 | bad_res: |
4bbf4d56 | 1468 | mutex_unlock(&rdev->mtx); |
f444de05 JB |
1469 | if (netdev) |
1470 | dev_put(netdev); | |
55682965 JB |
1471 | return result; |
1472 | } | |
1473 | ||
1474 | ||
1475 | static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
d726405a | 1476 | struct cfg80211_registered_device *rdev, |
55682965 JB |
1477 | struct net_device *dev) |
1478 | { | |
1479 | void *hdr; | |
1480 | ||
1481 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); | |
1482 | if (!hdr) | |
1483 | return -1; | |
1484 | ||
1485 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
d726405a | 1486 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
55682965 | 1487 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name); |
60719ffd | 1488 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype); |
f5ea9120 JB |
1489 | |
1490 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, | |
1491 | rdev->devlist_generation ^ | |
1492 | (cfg80211_rdev_list_generation << 2)); | |
1493 | ||
55682965 JB |
1494 | return genlmsg_end(msg, hdr); |
1495 | ||
1496 | nla_put_failure: | |
bc3ed28c TG |
1497 | genlmsg_cancel(msg, hdr); |
1498 | return -EMSGSIZE; | |
55682965 JB |
1499 | } |
1500 | ||
1501 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
1502 | { | |
1503 | int wp_idx = 0; | |
1504 | int if_idx = 0; | |
1505 | int wp_start = cb->args[0]; | |
1506 | int if_start = cb->args[1]; | |
f5ea9120 | 1507 | struct cfg80211_registered_device *rdev; |
55682965 JB |
1508 | struct wireless_dev *wdev; |
1509 | ||
a1794390 | 1510 | mutex_lock(&cfg80211_mutex); |
f5ea9120 JB |
1511 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1512 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1513 | continue; |
bba95fef JB |
1514 | if (wp_idx < wp_start) { |
1515 | wp_idx++; | |
55682965 | 1516 | continue; |
bba95fef | 1517 | } |
55682965 JB |
1518 | if_idx = 0; |
1519 | ||
f5ea9120 JB |
1520 | mutex_lock(&rdev->devlist_mtx); |
1521 | list_for_each_entry(wdev, &rdev->netdev_list, list) { | |
bba95fef JB |
1522 | if (if_idx < if_start) { |
1523 | if_idx++; | |
55682965 | 1524 | continue; |
bba95fef | 1525 | } |
55682965 JB |
1526 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, |
1527 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
f5ea9120 JB |
1528 | rdev, wdev->netdev) < 0) { |
1529 | mutex_unlock(&rdev->devlist_mtx); | |
bba95fef JB |
1530 | goto out; |
1531 | } | |
1532 | if_idx++; | |
55682965 | 1533 | } |
f5ea9120 | 1534 | mutex_unlock(&rdev->devlist_mtx); |
bba95fef JB |
1535 | |
1536 | wp_idx++; | |
55682965 | 1537 | } |
bba95fef | 1538 | out: |
a1794390 | 1539 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1540 | |
1541 | cb->args[0] = wp_idx; | |
1542 | cb->args[1] = if_idx; | |
1543 | ||
1544 | return skb->len; | |
1545 | } | |
1546 | ||
1547 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
1548 | { | |
1549 | struct sk_buff *msg; | |
4c476991 JB |
1550 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
1551 | struct net_device *netdev = info->user_ptr[1]; | |
55682965 | 1552 | |
fd2120ca | 1553 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1554 | if (!msg) |
4c476991 | 1555 | return -ENOMEM; |
55682965 | 1556 | |
d726405a | 1557 | if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, |
4c476991 JB |
1558 | dev, netdev) < 0) { |
1559 | nlmsg_free(msg); | |
1560 | return -ENOBUFS; | |
1561 | } | |
55682965 | 1562 | |
134e6375 | 1563 | return genlmsg_reply(msg, info); |
55682965 JB |
1564 | } |
1565 | ||
66f7ac50 MW |
1566 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
1567 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
1568 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
1569 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
1570 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
1571 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
1572 | }; | |
1573 | ||
1574 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
1575 | { | |
1576 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
1577 | int flag; | |
1578 | ||
1579 | *mntrflags = 0; | |
1580 | ||
1581 | if (!nla) | |
1582 | return -EINVAL; | |
1583 | ||
1584 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
1585 | nla, mntr_flags_policy)) | |
1586 | return -EINVAL; | |
1587 | ||
1588 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
1589 | if (flags[flag]) | |
1590 | *mntrflags |= (1<<flag); | |
1591 | ||
1592 | return 0; | |
1593 | } | |
1594 | ||
9bc383de | 1595 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
1596 | struct net_device *netdev, u8 use_4addr, |
1597 | enum nl80211_iftype iftype) | |
9bc383de | 1598 | { |
ad4bb6f8 | 1599 | if (!use_4addr) { |
f350a0a8 | 1600 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 1601 | return -EBUSY; |
9bc383de | 1602 | return 0; |
ad4bb6f8 | 1603 | } |
9bc383de JB |
1604 | |
1605 | switch (iftype) { | |
1606 | case NL80211_IFTYPE_AP_VLAN: | |
1607 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
1608 | return 0; | |
1609 | break; | |
1610 | case NL80211_IFTYPE_STATION: | |
1611 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
1612 | return 0; | |
1613 | break; | |
1614 | default: | |
1615 | break; | |
1616 | } | |
1617 | ||
1618 | return -EOPNOTSUPP; | |
1619 | } | |
1620 | ||
55682965 JB |
1621 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
1622 | { | |
4c476991 | 1623 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1624 | struct vif_params params; |
e36d56b6 | 1625 | int err; |
04a773ad | 1626 | enum nl80211_iftype otype, ntype; |
4c476991 | 1627 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 1628 | u32 _flags, *flags = NULL; |
ac7f9cfa | 1629 | bool change = false; |
55682965 | 1630 | |
2ec600d6 LCC |
1631 | memset(¶ms, 0, sizeof(params)); |
1632 | ||
04a773ad | 1633 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 1634 | |
723b038d | 1635 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 1636 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 1637 | if (otype != ntype) |
ac7f9cfa | 1638 | change = true; |
4c476991 JB |
1639 | if (ntype > NL80211_IFTYPE_MAX) |
1640 | return -EINVAL; | |
723b038d JB |
1641 | } |
1642 | ||
92ffe055 | 1643 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
1644 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
1645 | ||
4c476991 JB |
1646 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
1647 | return -EINVAL; | |
29cbe68c JB |
1648 | if (netif_running(dev)) |
1649 | return -EBUSY; | |
1650 | ||
1651 | wdev_lock(wdev); | |
1652 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1653 | IEEE80211_MAX_MESH_ID_LEN); | |
1654 | wdev->mesh_id_up_len = | |
1655 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1656 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1657 | wdev->mesh_id_up_len); | |
1658 | wdev_unlock(wdev); | |
2ec600d6 LCC |
1659 | } |
1660 | ||
8b787643 FF |
1661 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
1662 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
1663 | change = true; | |
ad4bb6f8 | 1664 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 1665 | if (err) |
4c476991 | 1666 | return err; |
8b787643 FF |
1667 | } else { |
1668 | params.use_4addr = -1; | |
1669 | } | |
1670 | ||
92ffe055 | 1671 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
1672 | if (ntype != NL80211_IFTYPE_MONITOR) |
1673 | return -EINVAL; | |
92ffe055 JB |
1674 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
1675 | &_flags); | |
ac7f9cfa | 1676 | if (err) |
4c476991 | 1677 | return err; |
ac7f9cfa JB |
1678 | |
1679 | flags = &_flags; | |
1680 | change = true; | |
92ffe055 | 1681 | } |
3b85875a | 1682 | |
ac7f9cfa | 1683 | if (change) |
3d54d255 | 1684 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
1685 | else |
1686 | err = 0; | |
60719ffd | 1687 | |
9bc383de JB |
1688 | if (!err && params.use_4addr != -1) |
1689 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
1690 | ||
55682965 JB |
1691 | return err; |
1692 | } | |
1693 | ||
1694 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
1695 | { | |
4c476991 | 1696 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1697 | struct vif_params params; |
f9e10ce4 | 1698 | struct net_device *dev; |
55682965 JB |
1699 | int err; |
1700 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 1701 | u32 flags; |
55682965 | 1702 | |
2ec600d6 LCC |
1703 | memset(¶ms, 0, sizeof(params)); |
1704 | ||
55682965 JB |
1705 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
1706 | return -EINVAL; | |
1707 | ||
1708 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
1709 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
1710 | if (type > NL80211_IFTYPE_MAX) | |
1711 | return -EINVAL; | |
1712 | } | |
1713 | ||
79c97e97 | 1714 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
1715 | !(rdev->wiphy.interface_modes & (1 << type))) |
1716 | return -EOPNOTSUPP; | |
55682965 | 1717 | |
9bc383de | 1718 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 1719 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 1720 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 1721 | if (err) |
4c476991 | 1722 | return err; |
9bc383de | 1723 | } |
8b787643 | 1724 | |
66f7ac50 MW |
1725 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
1726 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
1727 | &flags); | |
f9e10ce4 | 1728 | dev = rdev->ops->add_virtual_intf(&rdev->wiphy, |
66f7ac50 | 1729 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), |
2ec600d6 | 1730 | type, err ? NULL : &flags, ¶ms); |
f9e10ce4 JB |
1731 | if (IS_ERR(dev)) |
1732 | return PTR_ERR(dev); | |
2ec600d6 | 1733 | |
29cbe68c JB |
1734 | if (type == NL80211_IFTYPE_MESH_POINT && |
1735 | info->attrs[NL80211_ATTR_MESH_ID]) { | |
1736 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
1737 | ||
1738 | wdev_lock(wdev); | |
1739 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
1740 | IEEE80211_MAX_MESH_ID_LEN); | |
1741 | wdev->mesh_id_up_len = | |
1742 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
1743 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
1744 | wdev->mesh_id_up_len); | |
1745 | wdev_unlock(wdev); | |
1746 | } | |
1747 | ||
f9e10ce4 | 1748 | return 0; |
55682965 JB |
1749 | } |
1750 | ||
1751 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
1752 | { | |
4c476991 JB |
1753 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1754 | struct net_device *dev = info->user_ptr[1]; | |
55682965 | 1755 | |
4c476991 JB |
1756 | if (!rdev->ops->del_virtual_intf) |
1757 | return -EOPNOTSUPP; | |
55682965 | 1758 | |
4c476991 | 1759 | return rdev->ops->del_virtual_intf(&rdev->wiphy, dev); |
55682965 JB |
1760 | } |
1761 | ||
1d9d9213 SW |
1762 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
1763 | { | |
1764 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
1765 | struct net_device *dev = info->user_ptr[1]; | |
1766 | u16 noack_map; | |
1767 | ||
1768 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
1769 | return -EINVAL; | |
1770 | ||
1771 | if (!rdev->ops->set_noack_map) | |
1772 | return -EOPNOTSUPP; | |
1773 | ||
1774 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
1775 | ||
1776 | return rdev->ops->set_noack_map(&rdev->wiphy, dev, noack_map); | |
1777 | } | |
1778 | ||
41ade00f JB |
1779 | struct get_key_cookie { |
1780 | struct sk_buff *msg; | |
1781 | int error; | |
b9454e83 | 1782 | int idx; |
41ade00f JB |
1783 | }; |
1784 | ||
1785 | static void get_key_callback(void *c, struct key_params *params) | |
1786 | { | |
b9454e83 | 1787 | struct nlattr *key; |
41ade00f JB |
1788 | struct get_key_cookie *cookie = c; |
1789 | ||
1790 | if (params->key) | |
1791 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, | |
1792 | params->key_len, params->key); | |
1793 | ||
1794 | if (params->seq) | |
1795 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
1796 | params->seq_len, params->seq); | |
1797 | ||
1798 | if (params->cipher) | |
1799 | NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
1800 | params->cipher); | |
1801 | ||
b9454e83 JB |
1802 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
1803 | if (!key) | |
1804 | goto nla_put_failure; | |
1805 | ||
1806 | if (params->key) | |
1807 | NLA_PUT(cookie->msg, NL80211_KEY_DATA, | |
1808 | params->key_len, params->key); | |
1809 | ||
1810 | if (params->seq) | |
1811 | NLA_PUT(cookie->msg, NL80211_KEY_SEQ, | |
1812 | params->seq_len, params->seq); | |
1813 | ||
1814 | if (params->cipher) | |
1815 | NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER, | |
1816 | params->cipher); | |
1817 | ||
1818 | NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx); | |
1819 | ||
1820 | nla_nest_end(cookie->msg, key); | |
1821 | ||
41ade00f JB |
1822 | return; |
1823 | nla_put_failure: | |
1824 | cookie->error = 1; | |
1825 | } | |
1826 | ||
1827 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
1828 | { | |
4c476991 | 1829 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 1830 | int err; |
4c476991 | 1831 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1832 | u8 key_idx = 0; |
e31b8213 JB |
1833 | const u8 *mac_addr = NULL; |
1834 | bool pairwise; | |
41ade00f JB |
1835 | struct get_key_cookie cookie = { |
1836 | .error = 0, | |
1837 | }; | |
1838 | void *hdr; | |
1839 | struct sk_buff *msg; | |
1840 | ||
1841 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
1842 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
1843 | ||
3cfcf6ac | 1844 | if (key_idx > 5) |
41ade00f JB |
1845 | return -EINVAL; |
1846 | ||
1847 | if (info->attrs[NL80211_ATTR_MAC]) | |
1848 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1849 | ||
e31b8213 JB |
1850 | pairwise = !!mac_addr; |
1851 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
1852 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
1853 | if (kt >= NUM_NL80211_KEYTYPES) | |
1854 | return -EINVAL; | |
1855 | if (kt != NL80211_KEYTYPE_GROUP && | |
1856 | kt != NL80211_KEYTYPE_PAIRWISE) | |
1857 | return -EINVAL; | |
1858 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
1859 | } | |
1860 | ||
4c476991 JB |
1861 | if (!rdev->ops->get_key) |
1862 | return -EOPNOTSUPP; | |
41ade00f | 1863 | |
fd2120ca | 1864 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
1865 | if (!msg) |
1866 | return -ENOMEM; | |
41ade00f JB |
1867 | |
1868 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
1869 | NL80211_CMD_NEW_KEY); | |
4c476991 JB |
1870 | if (IS_ERR(hdr)) |
1871 | return PTR_ERR(hdr); | |
41ade00f JB |
1872 | |
1873 | cookie.msg = msg; | |
b9454e83 | 1874 | cookie.idx = key_idx; |
41ade00f JB |
1875 | |
1876 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
1877 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
1878 | if (mac_addr) | |
1879 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
1880 | ||
e31b8213 JB |
1881 | if (pairwise && mac_addr && |
1882 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
1883 | return -ENOENT; | |
1884 | ||
1885 | err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise, | |
1886 | mac_addr, &cookie, get_key_callback); | |
41ade00f JB |
1887 | |
1888 | if (err) | |
6c95e2a2 | 1889 | goto free_msg; |
41ade00f JB |
1890 | |
1891 | if (cookie.error) | |
1892 | goto nla_put_failure; | |
1893 | ||
1894 | genlmsg_end(msg, hdr); | |
4c476991 | 1895 | return genlmsg_reply(msg, info); |
41ade00f JB |
1896 | |
1897 | nla_put_failure: | |
1898 | err = -ENOBUFS; | |
6c95e2a2 | 1899 | free_msg: |
41ade00f | 1900 | nlmsg_free(msg); |
41ade00f JB |
1901 | return err; |
1902 | } | |
1903 | ||
1904 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
1905 | { | |
4c476991 | 1906 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 1907 | struct key_parse key; |
41ade00f | 1908 | int err; |
4c476991 | 1909 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 1910 | |
b9454e83 JB |
1911 | err = nl80211_parse_key(info, &key); |
1912 | if (err) | |
1913 | return err; | |
41ade00f | 1914 | |
b9454e83 | 1915 | if (key.idx < 0) |
41ade00f JB |
1916 | return -EINVAL; |
1917 | ||
b9454e83 JB |
1918 | /* only support setting default key */ |
1919 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
1920 | return -EINVAL; |
1921 | ||
dbd2fd65 | 1922 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 1923 | |
dbd2fd65 JB |
1924 | if (key.def) { |
1925 | if (!rdev->ops->set_default_key) { | |
1926 | err = -EOPNOTSUPP; | |
1927 | goto out; | |
1928 | } | |
41ade00f | 1929 | |
dbd2fd65 JB |
1930 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
1931 | if (err) | |
1932 | goto out; | |
1933 | ||
dbd2fd65 JB |
1934 | err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx, |
1935 | key.def_uni, key.def_multi); | |
1936 | ||
1937 | if (err) | |
1938 | goto out; | |
fffd0934 | 1939 | |
3d23e349 | 1940 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
1941 | dev->ieee80211_ptr->wext.default_key = key.idx; |
1942 | #endif | |
1943 | } else { | |
1944 | if (key.def_uni || !key.def_multi) { | |
1945 | err = -EINVAL; | |
1946 | goto out; | |
1947 | } | |
1948 | ||
1949 | if (!rdev->ops->set_default_mgmt_key) { | |
1950 | err = -EOPNOTSUPP; | |
1951 | goto out; | |
1952 | } | |
1953 | ||
1954 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
1955 | if (err) | |
1956 | goto out; | |
1957 | ||
1958 | err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, | |
1959 | dev, key.idx); | |
1960 | if (err) | |
1961 | goto out; | |
1962 | ||
1963 | #ifdef CONFIG_CFG80211_WEXT | |
1964 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 1965 | #endif |
dbd2fd65 JB |
1966 | } |
1967 | ||
1968 | out: | |
fffd0934 | 1969 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 1970 | |
41ade00f JB |
1971 | return err; |
1972 | } | |
1973 | ||
1974 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
1975 | { | |
4c476991 | 1976 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 1977 | int err; |
4c476991 | 1978 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 1979 | struct key_parse key; |
e31b8213 | 1980 | const u8 *mac_addr = NULL; |
41ade00f | 1981 | |
b9454e83 JB |
1982 | err = nl80211_parse_key(info, &key); |
1983 | if (err) | |
1984 | return err; | |
41ade00f | 1985 | |
b9454e83 | 1986 | if (!key.p.key) |
41ade00f JB |
1987 | return -EINVAL; |
1988 | ||
41ade00f JB |
1989 | if (info->attrs[NL80211_ATTR_MAC]) |
1990 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1991 | ||
e31b8213 JB |
1992 | if (key.type == -1) { |
1993 | if (mac_addr) | |
1994 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
1995 | else | |
1996 | key.type = NL80211_KEYTYPE_GROUP; | |
1997 | } | |
1998 | ||
1999 | /* for now */ | |
2000 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2001 | key.type != NL80211_KEYTYPE_GROUP) | |
2002 | return -EINVAL; | |
2003 | ||
4c476991 JB |
2004 | if (!rdev->ops->add_key) |
2005 | return -EOPNOTSUPP; | |
25e47c18 | 2006 | |
e31b8213 JB |
2007 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2008 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2009 | mac_addr)) | |
4c476991 | 2010 | return -EINVAL; |
41ade00f | 2011 | |
fffd0934 JB |
2012 | wdev_lock(dev->ieee80211_ptr); |
2013 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2014 | if (!err) | |
2015 | err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx, | |
e31b8213 | 2016 | key.type == NL80211_KEYTYPE_PAIRWISE, |
fffd0934 JB |
2017 | mac_addr, &key.p); |
2018 | wdev_unlock(dev->ieee80211_ptr); | |
41ade00f | 2019 | |
41ade00f JB |
2020 | return err; |
2021 | } | |
2022 | ||
2023 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2024 | { | |
4c476991 | 2025 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2026 | int err; |
4c476991 | 2027 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2028 | u8 *mac_addr = NULL; |
b9454e83 | 2029 | struct key_parse key; |
41ade00f | 2030 | |
b9454e83 JB |
2031 | err = nl80211_parse_key(info, &key); |
2032 | if (err) | |
2033 | return err; | |
41ade00f JB |
2034 | |
2035 | if (info->attrs[NL80211_ATTR_MAC]) | |
2036 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2037 | ||
e31b8213 JB |
2038 | if (key.type == -1) { |
2039 | if (mac_addr) | |
2040 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2041 | else | |
2042 | key.type = NL80211_KEYTYPE_GROUP; | |
2043 | } | |
2044 | ||
2045 | /* for now */ | |
2046 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2047 | key.type != NL80211_KEYTYPE_GROUP) | |
2048 | return -EINVAL; | |
2049 | ||
4c476991 JB |
2050 | if (!rdev->ops->del_key) |
2051 | return -EOPNOTSUPP; | |
41ade00f | 2052 | |
fffd0934 JB |
2053 | wdev_lock(dev->ieee80211_ptr); |
2054 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2055 | |
2056 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2057 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2058 | err = -ENOENT; | |
2059 | ||
fffd0934 | 2060 | if (!err) |
e31b8213 JB |
2061 | err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, |
2062 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2063 | mac_addr); | |
41ade00f | 2064 | |
3d23e349 | 2065 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2066 | if (!err) { |
b9454e83 | 2067 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2068 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2069 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2070 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2071 | } | |
2072 | #endif | |
fffd0934 | 2073 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2074 | |
41ade00f JB |
2075 | return err; |
2076 | } | |
2077 | ||
8860020e JB |
2078 | static int nl80211_parse_beacon(struct genl_info *info, |
2079 | struct cfg80211_beacon_data *bcn) | |
ed1b6cc7 | 2080 | { |
8860020e | 2081 | bool haveinfo = false; |
ed1b6cc7 | 2082 | |
9946ecfb JM |
2083 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) || |
2084 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) || | |
2085 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
2086 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
2087 | return -EINVAL; |
2088 | ||
8860020e | 2089 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 2090 | |
ed1b6cc7 | 2091 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { |
8860020e JB |
2092 | bcn->head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); |
2093 | bcn->head_len = nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
2094 | if (!bcn->head_len) | |
2095 | return -EINVAL; | |
2096 | haveinfo = true; | |
ed1b6cc7 JB |
2097 | } |
2098 | ||
2099 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { | |
8860020e JB |
2100 | bcn->tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); |
2101 | bcn->tail_len = | |
ed1b6cc7 | 2102 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); |
8860020e | 2103 | haveinfo = true; |
ed1b6cc7 JB |
2104 | } |
2105 | ||
4c476991 JB |
2106 | if (!haveinfo) |
2107 | return -EINVAL; | |
3b85875a | 2108 | |
9946ecfb | 2109 | if (info->attrs[NL80211_ATTR_IE]) { |
8860020e JB |
2110 | bcn->beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]); |
2111 | bcn->beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
2112 | } |
2113 | ||
2114 | if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) { | |
8860020e | 2115 | bcn->proberesp_ies = |
9946ecfb | 2116 | nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 2117 | bcn->proberesp_ies_len = |
9946ecfb JM |
2118 | nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); |
2119 | } | |
2120 | ||
2121 | if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) { | |
8860020e | 2122 | bcn->assocresp_ies = |
9946ecfb | 2123 | nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 2124 | bcn->assocresp_ies_len = |
9946ecfb JM |
2125 | nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
2126 | } | |
2127 | ||
00f740e1 | 2128 | if (info->attrs[NL80211_ATTR_PROBE_RESP]) { |
8860020e | 2129 | bcn->probe_resp = |
00f740e1 | 2130 | nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]); |
8860020e | 2131 | bcn->probe_resp_len = |
00f740e1 AN |
2132 | nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]); |
2133 | } | |
2134 | ||
8860020e JB |
2135 | return 0; |
2136 | } | |
2137 | ||
2138 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) | |
2139 | { | |
2140 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2141 | struct net_device *dev = info->user_ptr[1]; | |
2142 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
2143 | struct cfg80211_ap_settings params; | |
2144 | int err; | |
2145 | ||
2146 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2147 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2148 | return -EOPNOTSUPP; | |
2149 | ||
2150 | if (!rdev->ops->start_ap) | |
2151 | return -EOPNOTSUPP; | |
2152 | ||
2153 | if (wdev->beacon_interval) | |
2154 | return -EALREADY; | |
2155 | ||
2156 | memset(¶ms, 0, sizeof(params)); | |
2157 | ||
2158 | /* these are required for START_AP */ | |
2159 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
2160 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
2161 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
2162 | return -EINVAL; | |
2163 | ||
2164 | err = nl80211_parse_beacon(info, ¶ms.beacon); | |
2165 | if (err) | |
2166 | return err; | |
2167 | ||
2168 | params.beacon_interval = | |
2169 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
2170 | params.dtim_period = | |
2171 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
2172 | ||
2173 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
2174 | if (err) | |
2175 | return err; | |
2176 | ||
2177 | /* | |
2178 | * In theory, some of these attributes should be required here | |
2179 | * but since they were not used when the command was originally | |
2180 | * added, keep them optional for old user space programs to let | |
2181 | * them continue to work with drivers that do not need the | |
2182 | * additional information -- drivers must check! | |
2183 | */ | |
2184 | if (info->attrs[NL80211_ATTR_SSID]) { | |
2185 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
2186 | params.ssid_len = | |
2187 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
2188 | if (params.ssid_len == 0 || | |
2189 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
2190 | return -EINVAL; | |
2191 | } | |
2192 | ||
2193 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
2194 | params.hidden_ssid = nla_get_u32( | |
2195 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
2196 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
2197 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
2198 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
2199 | return -EINVAL; | |
2200 | } | |
2201 | ||
2202 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
2203 | ||
2204 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
2205 | params.auth_type = nla_get_u32( | |
2206 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
2207 | if (!nl80211_valid_auth_type(params.auth_type)) | |
2208 | return -EINVAL; | |
2209 | } else | |
2210 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
2211 | ||
2212 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
2213 | NL80211_MAX_NR_CIPHER_SUITES); | |
2214 | if (err) | |
2215 | return err; | |
2216 | ||
2217 | err = rdev->ops->start_ap(&rdev->wiphy, dev, ¶ms); | |
2218 | if (!err) | |
2219 | wdev->beacon_interval = params.beacon_interval; | |
56d1893d | 2220 | return err; |
ed1b6cc7 JB |
2221 | } |
2222 | ||
8860020e JB |
2223 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
2224 | { | |
2225 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2226 | struct net_device *dev = info->user_ptr[1]; | |
2227 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
2228 | struct cfg80211_beacon_data params; | |
2229 | int err; | |
2230 | ||
2231 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2232 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2233 | return -EOPNOTSUPP; | |
2234 | ||
2235 | if (!rdev->ops->change_beacon) | |
2236 | return -EOPNOTSUPP; | |
2237 | ||
2238 | if (!wdev->beacon_interval) | |
2239 | return -EINVAL; | |
2240 | ||
2241 | err = nl80211_parse_beacon(info, ¶ms); | |
2242 | if (err) | |
2243 | return err; | |
2244 | ||
2245 | return rdev->ops->change_beacon(&rdev->wiphy, dev, ¶ms); | |
2246 | } | |
2247 | ||
2248 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 2249 | { |
4c476991 JB |
2250 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2251 | struct net_device *dev = info->user_ptr[1]; | |
56d1893d JB |
2252 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2253 | int err; | |
ed1b6cc7 | 2254 | |
8860020e | 2255 | if (!rdev->ops->stop_ap) |
4c476991 | 2256 | return -EOPNOTSUPP; |
ed1b6cc7 | 2257 | |
074ac8df | 2258 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
2259 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2260 | return -EOPNOTSUPP; | |
3b85875a | 2261 | |
8860020e JB |
2262 | if (!wdev->beacon_interval) |
2263 | return -ENOENT; | |
2264 | ||
2265 | err = rdev->ops->stop_ap(&rdev->wiphy, dev); | |
56d1893d JB |
2266 | if (!err) |
2267 | wdev->beacon_interval = 0; | |
2268 | return err; | |
ed1b6cc7 JB |
2269 | } |
2270 | ||
5727ef1b JB |
2271 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
2272 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
2273 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
2274 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 2275 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 2276 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 2277 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
2278 | }; |
2279 | ||
eccb8e8f | 2280 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 2281 | enum nl80211_iftype iftype, |
eccb8e8f | 2282 | struct station_parameters *params) |
5727ef1b JB |
2283 | { |
2284 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 2285 | struct nlattr *nla; |
5727ef1b JB |
2286 | int flag; |
2287 | ||
eccb8e8f JB |
2288 | /* |
2289 | * Try parsing the new attribute first so userspace | |
2290 | * can specify both for older kernels. | |
2291 | */ | |
2292 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
2293 | if (nla) { | |
2294 | struct nl80211_sta_flag_update *sta_flags; | |
2295 | ||
2296 | sta_flags = nla_data(nla); | |
2297 | params->sta_flags_mask = sta_flags->mask; | |
2298 | params->sta_flags_set = sta_flags->set; | |
2299 | if ((params->sta_flags_mask | | |
2300 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
2301 | return -EINVAL; | |
2302 | return 0; | |
2303 | } | |
2304 | ||
2305 | /* if present, parse the old attribute */ | |
5727ef1b | 2306 | |
eccb8e8f | 2307 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
2308 | if (!nla) |
2309 | return 0; | |
2310 | ||
2311 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
2312 | nla, sta_flags_policy)) | |
2313 | return -EINVAL; | |
2314 | ||
bdd3ae3d JB |
2315 | /* |
2316 | * Only allow certain flags for interface types so that | |
2317 | * other attributes are silently ignored. Remember that | |
2318 | * this is backward compatibility code with old userspace | |
2319 | * and shouldn't be hit in other cases anyway. | |
2320 | */ | |
2321 | switch (iftype) { | |
2322 | case NL80211_IFTYPE_AP: | |
2323 | case NL80211_IFTYPE_AP_VLAN: | |
2324 | case NL80211_IFTYPE_P2P_GO: | |
2325 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
2326 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
2327 | BIT(NL80211_STA_FLAG_WME) | | |
2328 | BIT(NL80211_STA_FLAG_MFP); | |
2329 | break; | |
2330 | case NL80211_IFTYPE_P2P_CLIENT: | |
2331 | case NL80211_IFTYPE_STATION: | |
2332 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
2333 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
2334 | break; | |
2335 | case NL80211_IFTYPE_MESH_POINT: | |
2336 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
2337 | BIT(NL80211_STA_FLAG_MFP) | | |
2338 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
2339 | default: | |
2340 | return -EINVAL; | |
2341 | } | |
5727ef1b JB |
2342 | |
2343 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) | |
2344 | if (flags[flag]) | |
eccb8e8f | 2345 | params->sta_flags_set |= (1<<flag); |
5727ef1b JB |
2346 | |
2347 | return 0; | |
2348 | } | |
2349 | ||
c8dcfd8a FF |
2350 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
2351 | int attr) | |
2352 | { | |
2353 | struct nlattr *rate; | |
2354 | u16 bitrate; | |
2355 | ||
2356 | rate = nla_nest_start(msg, attr); | |
2357 | if (!rate) | |
2358 | goto nla_put_failure; | |
2359 | ||
2360 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
2361 | bitrate = cfg80211_calculate_bitrate(info); | |
2362 | if (bitrate > 0) | |
2363 | NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate); | |
2364 | ||
2365 | if (info->flags & RATE_INFO_FLAGS_MCS) | |
2366 | NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs); | |
2367 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) | |
2368 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH); | |
2369 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI) | |
2370 | NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI); | |
2371 | ||
2372 | nla_nest_end(msg, rate); | |
2373 | return true; | |
2374 | ||
2375 | nla_put_failure: | |
2376 | return false; | |
2377 | } | |
2378 | ||
fd5b74dc JB |
2379 | static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, |
2380 | int flags, struct net_device *dev, | |
98b62183 | 2381 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
2382 | { |
2383 | void *hdr; | |
f4263c98 | 2384 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc JB |
2385 | |
2386 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2387 | if (!hdr) | |
2388 | return -1; | |
2389 | ||
2390 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2391 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
2392 | ||
f5ea9120 JB |
2393 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation); |
2394 | ||
2ec600d6 LCC |
2395 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
2396 | if (!sinfoattr) | |
fd5b74dc | 2397 | goto nla_put_failure; |
ebe27c91 MSS |
2398 | if (sinfo->filled & STATION_INFO_CONNECTED_TIME) |
2399 | NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
2400 | sinfo->connected_time); | |
2ec600d6 LCC |
2401 | if (sinfo->filled & STATION_INFO_INACTIVE_TIME) |
2402 | NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
2403 | sinfo->inactive_time); | |
2404 | if (sinfo->filled & STATION_INFO_RX_BYTES) | |
2405 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, | |
2406 | sinfo->rx_bytes); | |
2407 | if (sinfo->filled & STATION_INFO_TX_BYTES) | |
2408 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, | |
2409 | sinfo->tx_bytes); | |
2410 | if (sinfo->filled & STATION_INFO_LLID) | |
2411 | NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, | |
2412 | sinfo->llid); | |
2413 | if (sinfo->filled & STATION_INFO_PLID) | |
2414 | NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, | |
2415 | sinfo->plid); | |
2416 | if (sinfo->filled & STATION_INFO_PLINK_STATE) | |
2417 | NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, | |
2418 | sinfo->plink_state); | |
420e7fab HR |
2419 | if (sinfo->filled & STATION_INFO_SIGNAL) |
2420 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, | |
2421 | sinfo->signal); | |
541a45a1 BR |
2422 | if (sinfo->filled & STATION_INFO_SIGNAL_AVG) |
2423 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
2424 | sinfo->signal_avg); | |
420e7fab | 2425 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
2426 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
2427 | NL80211_STA_INFO_TX_BITRATE)) | |
2428 | goto nla_put_failure; | |
2429 | } | |
2430 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
2431 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
2432 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 2433 | goto nla_put_failure; |
420e7fab | 2434 | } |
98c8a60a JM |
2435 | if (sinfo->filled & STATION_INFO_RX_PACKETS) |
2436 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS, | |
2437 | sinfo->rx_packets); | |
2438 | if (sinfo->filled & STATION_INFO_TX_PACKETS) | |
2439 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS, | |
2440 | sinfo->tx_packets); | |
b206b4ef BR |
2441 | if (sinfo->filled & STATION_INFO_TX_RETRIES) |
2442 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES, | |
2443 | sinfo->tx_retries); | |
2444 | if (sinfo->filled & STATION_INFO_TX_FAILED) | |
2445 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED, | |
2446 | sinfo->tx_failed); | |
a85e1d55 PS |
2447 | if (sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) |
2448 | NLA_PUT_U32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
2449 | sinfo->beacon_loss_count); | |
f4263c98 PS |
2450 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
2451 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
2452 | if (!bss_param) | |
2453 | goto nla_put_failure; | |
2454 | ||
2455 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) | |
2456 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT); | |
2457 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) | |
2458 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE); | |
2459 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) | |
2460 | NLA_PUT_FLAG(msg, | |
2461 | NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME); | |
2462 | NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
2463 | sinfo->bss_param.dtim_period); | |
2464 | NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
2465 | sinfo->bss_param.beacon_interval); | |
2466 | ||
2467 | nla_nest_end(msg, bss_param); | |
2468 | } | |
bb6e753e HS |
2469 | if (sinfo->filled & STATION_INFO_STA_FLAGS) |
2470 | NLA_PUT(msg, NL80211_STA_INFO_STA_FLAGS, | |
2471 | sizeof(struct nl80211_sta_flag_update), | |
2472 | &sinfo->sta_flags); | |
2ec600d6 | 2473 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 2474 | |
040bdf71 | 2475 | if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES) |
50d3dfb7 JM |
2476 | NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
2477 | sinfo->assoc_req_ies); | |
2478 | ||
fd5b74dc JB |
2479 | return genlmsg_end(msg, hdr); |
2480 | ||
2481 | nla_put_failure: | |
bc3ed28c TG |
2482 | genlmsg_cancel(msg, hdr); |
2483 | return -EMSGSIZE; | |
fd5b74dc JB |
2484 | } |
2485 | ||
2ec600d6 | 2486 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 2487 | struct netlink_callback *cb) |
2ec600d6 | 2488 | { |
2ec600d6 LCC |
2489 | struct station_info sinfo; |
2490 | struct cfg80211_registered_device *dev; | |
bba95fef | 2491 | struct net_device *netdev; |
2ec600d6 | 2492 | u8 mac_addr[ETH_ALEN]; |
bba95fef | 2493 | int sta_idx = cb->args[1]; |
2ec600d6 | 2494 | int err; |
2ec600d6 | 2495 | |
67748893 JB |
2496 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2497 | if (err) | |
2498 | return err; | |
bba95fef JB |
2499 | |
2500 | if (!dev->ops->dump_station) { | |
eec60b03 | 2501 | err = -EOPNOTSUPP; |
bba95fef JB |
2502 | goto out_err; |
2503 | } | |
2504 | ||
bba95fef | 2505 | while (1) { |
f612cedf | 2506 | memset(&sinfo, 0, sizeof(sinfo)); |
bba95fef JB |
2507 | err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, |
2508 | mac_addr, &sinfo); | |
2509 | if (err == -ENOENT) | |
2510 | break; | |
2511 | if (err) | |
3b85875a | 2512 | goto out_err; |
bba95fef JB |
2513 | |
2514 | if (nl80211_send_station(skb, | |
2515 | NETLINK_CB(cb->skb).pid, | |
2516 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2517 | netdev, mac_addr, | |
2518 | &sinfo) < 0) | |
2519 | goto out; | |
2520 | ||
2521 | sta_idx++; | |
2522 | } | |
2523 | ||
2524 | ||
2525 | out: | |
2526 | cb->args[1] = sta_idx; | |
2527 | err = skb->len; | |
bba95fef | 2528 | out_err: |
67748893 | 2529 | nl80211_finish_netdev_dump(dev); |
bba95fef JB |
2530 | |
2531 | return err; | |
2ec600d6 | 2532 | } |
fd5b74dc | 2533 | |
5727ef1b JB |
2534 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
2535 | { | |
4c476991 JB |
2536 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2537 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 2538 | struct station_info sinfo; |
fd5b74dc JB |
2539 | struct sk_buff *msg; |
2540 | u8 *mac_addr = NULL; | |
4c476991 | 2541 | int err; |
fd5b74dc | 2542 | |
2ec600d6 | 2543 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
2544 | |
2545 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2546 | return -EINVAL; | |
2547 | ||
2548 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2549 | ||
4c476991 JB |
2550 | if (!rdev->ops->get_station) |
2551 | return -EOPNOTSUPP; | |
3b85875a | 2552 | |
4c476991 | 2553 | err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo); |
fd5b74dc | 2554 | if (err) |
4c476991 | 2555 | return err; |
2ec600d6 | 2556 | |
fd2120ca | 2557 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 2558 | if (!msg) |
4c476991 | 2559 | return -ENOMEM; |
fd5b74dc JB |
2560 | |
2561 | if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
2562 | dev, mac_addr, &sinfo) < 0) { |
2563 | nlmsg_free(msg); | |
2564 | return -ENOBUFS; | |
2565 | } | |
3b85875a | 2566 | |
4c476991 | 2567 | return genlmsg_reply(msg, info); |
5727ef1b JB |
2568 | } |
2569 | ||
2570 | /* | |
c258d2de | 2571 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 2572 | */ |
80b99899 JB |
2573 | static struct net_device *get_vlan(struct genl_info *info, |
2574 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 2575 | { |
463d0183 | 2576 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
2577 | struct net_device *v; |
2578 | int ret; | |
2579 | ||
2580 | if (!vlanattr) | |
2581 | return NULL; | |
2582 | ||
2583 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
2584 | if (!v) | |
2585 | return ERR_PTR(-ENODEV); | |
2586 | ||
2587 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
2588 | ret = -EINVAL; | |
2589 | goto error; | |
5727ef1b | 2590 | } |
80b99899 JB |
2591 | |
2592 | if (!netif_running(v)) { | |
2593 | ret = -ENETDOWN; | |
2594 | goto error; | |
2595 | } | |
2596 | ||
2597 | return v; | |
2598 | error: | |
2599 | dev_put(v); | |
2600 | return ERR_PTR(ret); | |
5727ef1b JB |
2601 | } |
2602 | ||
2603 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) | |
2604 | { | |
4c476991 | 2605 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2606 | int err; |
4c476991 | 2607 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2608 | struct station_parameters params; |
2609 | u8 *mac_addr = NULL; | |
2610 | ||
2611 | memset(¶ms, 0, sizeof(params)); | |
2612 | ||
2613 | params.listen_interval = -1; | |
57cf8043 | 2614 | params.plink_state = -1; |
5727ef1b JB |
2615 | |
2616 | if (info->attrs[NL80211_ATTR_STA_AID]) | |
2617 | return -EINVAL; | |
2618 | ||
2619 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2620 | return -EINVAL; | |
2621 | ||
2622 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2623 | ||
2624 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
2625 | params.supported_rates = | |
2626 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2627 | params.supported_rates_len = | |
2628 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2629 | } | |
2630 | ||
2631 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
2632 | params.listen_interval = | |
2633 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
2634 | ||
36aedc90 JM |
2635 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2636 | params.ht_capa = | |
2637 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
2638 | ||
bdd90d5e JB |
2639 | if (!rdev->ops->change_station) |
2640 | return -EOPNOTSUPP; | |
2641 | ||
bdd3ae3d | 2642 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
2643 | return -EINVAL; |
2644 | ||
2ec600d6 LCC |
2645 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2646 | params.plink_action = | |
2647 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2648 | ||
9c3990aa JC |
2649 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) |
2650 | params.plink_state = | |
2651 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); | |
2652 | ||
a97f4424 JB |
2653 | switch (dev->ieee80211_ptr->iftype) { |
2654 | case NL80211_IFTYPE_AP: | |
2655 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 2656 | case NL80211_IFTYPE_P2P_GO: |
a97f4424 JB |
2657 | /* disallow mesh-specific things */ |
2658 | if (params.plink_action) | |
bdd90d5e JB |
2659 | return -EINVAL; |
2660 | ||
2661 | /* TDLS can't be set, ... */ | |
2662 | if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
2663 | return -EINVAL; | |
2664 | /* | |
2665 | * ... but don't bother the driver with it. This works around | |
2666 | * a hostapd/wpa_supplicant issue -- it always includes the | |
2667 | * TLDS_PEER flag in the mask even for AP mode. | |
2668 | */ | |
2669 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
2670 | ||
2671 | /* accept only the listed bits */ | |
2672 | if (params.sta_flags_mask & | |
2673 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
2674 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
2675 | BIT(NL80211_STA_FLAG_WME) | | |
2676 | BIT(NL80211_STA_FLAG_MFP))) | |
2677 | return -EINVAL; | |
2678 | ||
2679 | /* must be last in here for error handling */ | |
2680 | params.vlan = get_vlan(info, rdev); | |
2681 | if (IS_ERR(params.vlan)) | |
2682 | return PTR_ERR(params.vlan); | |
a97f4424 | 2683 | break; |
074ac8df | 2684 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 2685 | case NL80211_IFTYPE_STATION: |
bdd90d5e JB |
2686 | /* |
2687 | * Don't allow userspace to change the TDLS_PEER flag, | |
2688 | * but silently ignore attempts to change it since we | |
2689 | * don't have state here to verify that it doesn't try | |
2690 | * to change the flag. | |
2691 | */ | |
2692 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
267335d6 AQ |
2693 | /* fall through */ |
2694 | case NL80211_IFTYPE_ADHOC: | |
2695 | /* disallow things sta doesn't support */ | |
2696 | if (params.plink_action) | |
2697 | return -EINVAL; | |
2698 | if (params.ht_capa) | |
2699 | return -EINVAL; | |
2700 | if (params.listen_interval >= 0) | |
2701 | return -EINVAL; | |
bdd90d5e JB |
2702 | /* reject any changes other than AUTHORIZED */ |
2703 | if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
2704 | return -EINVAL; | |
a97f4424 JB |
2705 | break; |
2706 | case NL80211_IFTYPE_MESH_POINT: | |
2707 | /* disallow things mesh doesn't support */ | |
2708 | if (params.vlan) | |
bdd90d5e | 2709 | return -EINVAL; |
a97f4424 | 2710 | if (params.ht_capa) |
bdd90d5e | 2711 | return -EINVAL; |
a97f4424 | 2712 | if (params.listen_interval >= 0) |
bdd90d5e JB |
2713 | return -EINVAL; |
2714 | /* | |
2715 | * No special handling for TDLS here -- the userspace | |
2716 | * mesh code doesn't have this bug. | |
2717 | */ | |
b39c48fa JC |
2718 | if (params.sta_flags_mask & |
2719 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
8429828e | 2720 | BIT(NL80211_STA_FLAG_MFP) | |
b39c48fa | 2721 | BIT(NL80211_STA_FLAG_AUTHORIZED))) |
bdd90d5e | 2722 | return -EINVAL; |
a97f4424 JB |
2723 | break; |
2724 | default: | |
bdd90d5e | 2725 | return -EOPNOTSUPP; |
034d655e JB |
2726 | } |
2727 | ||
bdd90d5e | 2728 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 2729 | |
79c97e97 | 2730 | err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b | 2731 | |
5727ef1b JB |
2732 | if (params.vlan) |
2733 | dev_put(params.vlan); | |
3b85875a | 2734 | |
5727ef1b JB |
2735 | return err; |
2736 | } | |
2737 | ||
c75786c9 EP |
2738 | static struct nla_policy |
2739 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
2740 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
2741 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
2742 | }; | |
2743 | ||
5727ef1b JB |
2744 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) |
2745 | { | |
4c476991 | 2746 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 2747 | int err; |
4c476991 | 2748 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
2749 | struct station_parameters params; |
2750 | u8 *mac_addr = NULL; | |
2751 | ||
2752 | memset(¶ms, 0, sizeof(params)); | |
2753 | ||
2754 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2755 | return -EINVAL; | |
2756 | ||
5727ef1b JB |
2757 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
2758 | return -EINVAL; | |
2759 | ||
2760 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
2761 | return -EINVAL; | |
2762 | ||
0e956c13 TLSC |
2763 | if (!info->attrs[NL80211_ATTR_STA_AID]) |
2764 | return -EINVAL; | |
2765 | ||
5727ef1b JB |
2766 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
2767 | params.supported_rates = | |
2768 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2769 | params.supported_rates_len = | |
2770 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
2771 | params.listen_interval = | |
2772 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 2773 | |
0e956c13 TLSC |
2774 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
2775 | if (!params.aid || params.aid > IEEE80211_MAX_AID) | |
2776 | return -EINVAL; | |
51b50fbe | 2777 | |
36aedc90 JM |
2778 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
2779 | params.ht_capa = | |
2780 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 2781 | |
96b78dff JC |
2782 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2783 | params.plink_action = | |
2784 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
2785 | ||
bdd90d5e JB |
2786 | if (!rdev->ops->add_station) |
2787 | return -EOPNOTSUPP; | |
2788 | ||
bdd3ae3d | 2789 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
2790 | return -EINVAL; |
2791 | ||
bdd90d5e JB |
2792 | switch (dev->ieee80211_ptr->iftype) { |
2793 | case NL80211_IFTYPE_AP: | |
2794 | case NL80211_IFTYPE_AP_VLAN: | |
2795 | case NL80211_IFTYPE_P2P_GO: | |
2796 | /* parse WME attributes if sta is WME capable */ | |
2797 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
2798 | (params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)) && | |
2799 | info->attrs[NL80211_ATTR_STA_WME]) { | |
2800 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; | |
2801 | struct nlattr *nla; | |
2802 | ||
2803 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
2804 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
2805 | nl80211_sta_wme_policy); | |
2806 | if (err) | |
2807 | return err; | |
2808 | ||
2809 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
2810 | params.uapsd_queues = | |
2811 | nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
2812 | if (params.uapsd_queues & | |
2813 | ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
2814 | return -EINVAL; | |
c75786c9 | 2815 | |
bdd90d5e JB |
2816 | if (tb[NL80211_STA_WME_MAX_SP]) |
2817 | params.max_sp = | |
2818 | nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
c75786c9 | 2819 | |
bdd90d5e JB |
2820 | if (params.max_sp & |
2821 | ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
2822 | return -EINVAL; | |
4319e193 | 2823 | |
bdd90d5e JB |
2824 | params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; |
2825 | } | |
2826 | /* TDLS peers cannot be added */ | |
2827 | if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4319e193 | 2828 | return -EINVAL; |
bdd90d5e JB |
2829 | /* but don't bother the driver with it */ |
2830 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 2831 | |
bdd90d5e JB |
2832 | /* must be last in here for error handling */ |
2833 | params.vlan = get_vlan(info, rdev); | |
2834 | if (IS_ERR(params.vlan)) | |
2835 | return PTR_ERR(params.vlan); | |
2836 | break; | |
2837 | case NL80211_IFTYPE_MESH_POINT: | |
2838 | /* TDLS peers cannot be added */ | |
2839 | if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
2840 | return -EINVAL; | |
2841 | break; | |
2842 | case NL80211_IFTYPE_STATION: | |
2843 | /* Only TDLS peers can be added */ | |
2844 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
2845 | return -EINVAL; | |
2846 | /* Can only add if TDLS ... */ | |
2847 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2848 | return -EOPNOTSUPP; | |
2849 | /* ... with external setup is supported */ | |
2850 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
2851 | return -EOPNOTSUPP; | |
2852 | break; | |
2853 | default: | |
2854 | return -EOPNOTSUPP; | |
c75786c9 EP |
2855 | } |
2856 | ||
bdd90d5e | 2857 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 2858 | |
79c97e97 | 2859 | err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
5727ef1b | 2860 | |
5727ef1b JB |
2861 | if (params.vlan) |
2862 | dev_put(params.vlan); | |
5727ef1b JB |
2863 | return err; |
2864 | } | |
2865 | ||
2866 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
2867 | { | |
4c476991 JB |
2868 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2869 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
2870 | u8 *mac_addr = NULL; |
2871 | ||
2872 | if (info->attrs[NL80211_ATTR_MAC]) | |
2873 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2874 | ||
e80cf853 | 2875 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 2876 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 2877 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
2878 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2879 | return -EINVAL; | |
5727ef1b | 2880 | |
4c476991 JB |
2881 | if (!rdev->ops->del_station) |
2882 | return -EOPNOTSUPP; | |
3b85875a | 2883 | |
4c476991 | 2884 | return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); |
5727ef1b JB |
2885 | } |
2886 | ||
2ec600d6 LCC |
2887 | static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, |
2888 | int flags, struct net_device *dev, | |
2889 | u8 *dst, u8 *next_hop, | |
2890 | struct mpath_info *pinfo) | |
2891 | { | |
2892 | void *hdr; | |
2893 | struct nlattr *pinfoattr; | |
2894 | ||
2895 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
2896 | if (!hdr) | |
2897 | return -1; | |
2898 | ||
2899 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
2900 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
2901 | NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); | |
2902 | ||
f5ea9120 JB |
2903 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation); |
2904 | ||
2ec600d6 LCC |
2905 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
2906 | if (!pinfoattr) | |
2907 | goto nla_put_failure; | |
2908 | if (pinfo->filled & MPATH_INFO_FRAME_QLEN) | |
2909 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
2910 | pinfo->frame_qlen); | |
d19b3bf6 RP |
2911 | if (pinfo->filled & MPATH_INFO_SN) |
2912 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN, | |
2913 | pinfo->sn); | |
2ec600d6 LCC |
2914 | if (pinfo->filled & MPATH_INFO_METRIC) |
2915 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, | |
2916 | pinfo->metric); | |
2917 | if (pinfo->filled & MPATH_INFO_EXPTIME) | |
2918 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, | |
2919 | pinfo->exptime); | |
2920 | if (pinfo->filled & MPATH_INFO_FLAGS) | |
2921 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, | |
2922 | pinfo->flags); | |
2923 | if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) | |
2924 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
2925 | pinfo->discovery_timeout); | |
2926 | if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) | |
2927 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
2928 | pinfo->discovery_retries); | |
2929 | ||
2930 | nla_nest_end(msg, pinfoattr); | |
2931 | ||
2932 | return genlmsg_end(msg, hdr); | |
2933 | ||
2934 | nla_put_failure: | |
bc3ed28c TG |
2935 | genlmsg_cancel(msg, hdr); |
2936 | return -EMSGSIZE; | |
2ec600d6 LCC |
2937 | } |
2938 | ||
2939 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 2940 | struct netlink_callback *cb) |
2ec600d6 | 2941 | { |
2ec600d6 LCC |
2942 | struct mpath_info pinfo; |
2943 | struct cfg80211_registered_device *dev; | |
bba95fef | 2944 | struct net_device *netdev; |
2ec600d6 LCC |
2945 | u8 dst[ETH_ALEN]; |
2946 | u8 next_hop[ETH_ALEN]; | |
bba95fef | 2947 | int path_idx = cb->args[1]; |
2ec600d6 | 2948 | int err; |
2ec600d6 | 2949 | |
67748893 JB |
2950 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
2951 | if (err) | |
2952 | return err; | |
bba95fef JB |
2953 | |
2954 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 2955 | err = -EOPNOTSUPP; |
bba95fef JB |
2956 | goto out_err; |
2957 | } | |
2958 | ||
eec60b03 JM |
2959 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { |
2960 | err = -EOPNOTSUPP; | |
0448b5fc | 2961 | goto out_err; |
eec60b03 JM |
2962 | } |
2963 | ||
bba95fef JB |
2964 | while (1) { |
2965 | err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, | |
2966 | dst, next_hop, &pinfo); | |
2967 | if (err == -ENOENT) | |
2ec600d6 | 2968 | break; |
bba95fef | 2969 | if (err) |
3b85875a | 2970 | goto out_err; |
2ec600d6 | 2971 | |
bba95fef JB |
2972 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, |
2973 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2974 | netdev, dst, next_hop, | |
2975 | &pinfo) < 0) | |
2976 | goto out; | |
2ec600d6 | 2977 | |
bba95fef | 2978 | path_idx++; |
2ec600d6 | 2979 | } |
2ec600d6 | 2980 | |
2ec600d6 | 2981 | |
bba95fef JB |
2982 | out: |
2983 | cb->args[1] = path_idx; | |
2984 | err = skb->len; | |
bba95fef | 2985 | out_err: |
67748893 | 2986 | nl80211_finish_netdev_dump(dev); |
bba95fef | 2987 | return err; |
2ec600d6 LCC |
2988 | } |
2989 | ||
2990 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
2991 | { | |
4c476991 | 2992 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2993 | int err; |
4c476991 | 2994 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
2995 | struct mpath_info pinfo; |
2996 | struct sk_buff *msg; | |
2997 | u8 *dst = NULL; | |
2998 | u8 next_hop[ETH_ALEN]; | |
2999 | ||
3000 | memset(&pinfo, 0, sizeof(pinfo)); | |
3001 | ||
3002 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3003 | return -EINVAL; | |
3004 | ||
3005 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3006 | ||
4c476991 JB |
3007 | if (!rdev->ops->get_mpath) |
3008 | return -EOPNOTSUPP; | |
2ec600d6 | 3009 | |
4c476991 JB |
3010 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
3011 | return -EOPNOTSUPP; | |
eec60b03 | 3012 | |
79c97e97 | 3013 | err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo); |
2ec600d6 | 3014 | if (err) |
4c476991 | 3015 | return err; |
2ec600d6 | 3016 | |
fd2120ca | 3017 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 3018 | if (!msg) |
4c476991 | 3019 | return -ENOMEM; |
2ec600d6 LCC |
3020 | |
3021 | if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, | |
4c476991 JB |
3022 | dev, dst, next_hop, &pinfo) < 0) { |
3023 | nlmsg_free(msg); | |
3024 | return -ENOBUFS; | |
3025 | } | |
3b85875a | 3026 | |
4c476991 | 3027 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
3028 | } |
3029 | ||
3030 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
3031 | { | |
4c476991 JB |
3032 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3033 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
3034 | u8 *dst = NULL; |
3035 | u8 *next_hop = NULL; | |
3036 | ||
3037 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3038 | return -EINVAL; | |
3039 | ||
3040 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
3041 | return -EINVAL; | |
3042 | ||
3043 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3044 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
3045 | ||
4c476991 JB |
3046 | if (!rdev->ops->change_mpath) |
3047 | return -EOPNOTSUPP; | |
35a8efe1 | 3048 | |
4c476991 JB |
3049 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
3050 | return -EOPNOTSUPP; | |
2ec600d6 | 3051 | |
4c476991 | 3052 | return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 | 3053 | } |
4c476991 | 3054 | |
2ec600d6 LCC |
3055 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
3056 | { | |
4c476991 JB |
3057 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3058 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
3059 | u8 *dst = NULL; |
3060 | u8 *next_hop = NULL; | |
3061 | ||
3062 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3063 | return -EINVAL; | |
3064 | ||
3065 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
3066 | return -EINVAL; | |
3067 | ||
3068 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3069 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
3070 | ||
4c476991 JB |
3071 | if (!rdev->ops->add_mpath) |
3072 | return -EOPNOTSUPP; | |
35a8efe1 | 3073 | |
4c476991 JB |
3074 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
3075 | return -EOPNOTSUPP; | |
2ec600d6 | 3076 | |
4c476991 | 3077 | return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop); |
2ec600d6 LCC |
3078 | } |
3079 | ||
3080 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
3081 | { | |
4c476991 JB |
3082 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3083 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
3084 | u8 *dst = NULL; |
3085 | ||
3086 | if (info->attrs[NL80211_ATTR_MAC]) | |
3087 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3088 | ||
4c476991 JB |
3089 | if (!rdev->ops->del_mpath) |
3090 | return -EOPNOTSUPP; | |
3b85875a | 3091 | |
4c476991 | 3092 | return rdev->ops->del_mpath(&rdev->wiphy, dev, dst); |
2ec600d6 LCC |
3093 | } |
3094 | ||
9f1ba906 JM |
3095 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
3096 | { | |
4c476991 JB |
3097 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3098 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
3099 | struct bss_parameters params; |
3100 | ||
3101 | memset(¶ms, 0, sizeof(params)); | |
3102 | /* default to not changing parameters */ | |
3103 | params.use_cts_prot = -1; | |
3104 | params.use_short_preamble = -1; | |
3105 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 3106 | params.ap_isolate = -1; |
50b12f59 | 3107 | params.ht_opmode = -1; |
9f1ba906 JM |
3108 | |
3109 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
3110 | params.use_cts_prot = | |
3111 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
3112 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
3113 | params.use_short_preamble = | |
3114 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
3115 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
3116 | params.use_short_slot_time = | |
3117 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
3118 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
3119 | params.basic_rates = | |
3120 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
3121 | params.basic_rates_len = | |
3122 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
3123 | } | |
fd8aaaf3 FF |
3124 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
3125 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
3126 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
3127 | params.ht_opmode = | |
3128 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 3129 | |
4c476991 JB |
3130 | if (!rdev->ops->change_bss) |
3131 | return -EOPNOTSUPP; | |
9f1ba906 | 3132 | |
074ac8df | 3133 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
3134 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
3135 | return -EOPNOTSUPP; | |
3b85875a | 3136 | |
4c476991 | 3137 | return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms); |
9f1ba906 JM |
3138 | } |
3139 | ||
b54452b0 | 3140 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
3141 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
3142 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
3143 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
3144 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
3145 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
3146 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
3147 | }; | |
3148 | ||
3149 | static int parse_reg_rule(struct nlattr *tb[], | |
3150 | struct ieee80211_reg_rule *reg_rule) | |
3151 | { | |
3152 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
3153 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
3154 | ||
3155 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
3156 | return -EINVAL; | |
3157 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
3158 | return -EINVAL; | |
3159 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
3160 | return -EINVAL; | |
3161 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
3162 | return -EINVAL; | |
3163 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
3164 | return -EINVAL; | |
3165 | ||
3166 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
3167 | ||
3168 | freq_range->start_freq_khz = | |
3169 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
3170 | freq_range->end_freq_khz = | |
3171 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
3172 | freq_range->max_bandwidth_khz = | |
3173 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
3174 | ||
3175 | power_rule->max_eirp = | |
3176 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
3177 | ||
3178 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
3179 | power_rule->max_antenna_gain = | |
3180 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
3181 | ||
3182 | return 0; | |
3183 | } | |
3184 | ||
3185 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
3186 | { | |
3187 | int r; | |
3188 | char *data = NULL; | |
3189 | ||
80778f18 LR |
3190 | /* |
3191 | * You should only get this when cfg80211 hasn't yet initialized | |
3192 | * completely when built-in to the kernel right between the time | |
3193 | * window between nl80211_init() and regulatory_init(), if that is | |
3194 | * even possible. | |
3195 | */ | |
3196 | mutex_lock(&cfg80211_mutex); | |
3197 | if (unlikely(!cfg80211_regdomain)) { | |
fe33eb39 LR |
3198 | mutex_unlock(&cfg80211_mutex); |
3199 | return -EINPROGRESS; | |
80778f18 | 3200 | } |
fe33eb39 | 3201 | mutex_unlock(&cfg80211_mutex); |
80778f18 | 3202 | |
fe33eb39 LR |
3203 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
3204 | return -EINVAL; | |
b2e1b302 LR |
3205 | |
3206 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
3207 | ||
fe33eb39 LR |
3208 | r = regulatory_hint_user(data); |
3209 | ||
b2e1b302 LR |
3210 | return r; |
3211 | } | |
3212 | ||
24bdd9f4 | 3213 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 3214 | struct genl_info *info) |
93da9cc1 | 3215 | { |
4c476991 | 3216 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 3217 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
3218 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
3219 | struct mesh_config cur_params; | |
3220 | int err = 0; | |
93da9cc1 | 3221 | void *hdr; |
3222 | struct nlattr *pinfoattr; | |
3223 | struct sk_buff *msg; | |
3224 | ||
29cbe68c JB |
3225 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3226 | return -EOPNOTSUPP; | |
3227 | ||
24bdd9f4 | 3228 | if (!rdev->ops->get_mesh_config) |
4c476991 | 3229 | return -EOPNOTSUPP; |
f3f92586 | 3230 | |
29cbe68c JB |
3231 | wdev_lock(wdev); |
3232 | /* If not connected, get default parameters */ | |
3233 | if (!wdev->mesh_id_len) | |
3234 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
3235 | else | |
24bdd9f4 | 3236 | err = rdev->ops->get_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
3237 | &cur_params); |
3238 | wdev_unlock(wdev); | |
3239 | ||
93da9cc1 | 3240 | if (err) |
4c476991 | 3241 | return err; |
93da9cc1 | 3242 | |
3243 | /* Draw up a netlink message to send back */ | |
fd2120ca | 3244 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3245 | if (!msg) |
3246 | return -ENOMEM; | |
93da9cc1 | 3247 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
24bdd9f4 | 3248 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 3249 | if (!hdr) |
efe1cf0c | 3250 | goto out; |
24bdd9f4 | 3251 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 3252 | if (!pinfoattr) |
3253 | goto nla_put_failure; | |
3254 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
3255 | NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
3256 | cur_params.dot11MeshRetryTimeout); | |
3257 | NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
3258 | cur_params.dot11MeshConfirmTimeout); | |
3259 | NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
3260 | cur_params.dot11MeshHoldingTimeout); | |
3261 | NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
3262 | cur_params.dot11MeshMaxPeerLinks); | |
3263 | NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
3264 | cur_params.dot11MeshMaxRetries); | |
3265 | NLA_PUT_U8(msg, NL80211_MESHCONF_TTL, | |
3266 | cur_params.dot11MeshTTL); | |
45904f21 JC |
3267 | NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL, |
3268 | cur_params.element_ttl); | |
93da9cc1 | 3269 | NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
3270 | cur_params.auto_open_plinks); | |
3271 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
3272 | cur_params.dot11MeshHWMPmaxPREQretries); | |
3273 | NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
3274 | cur_params.path_refresh_time); | |
3275 | NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
3276 | cur_params.min_discovery_timeout); | |
3277 | NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
3278 | cur_params.dot11MeshHWMPactivePathTimeout); | |
3279 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
3280 | cur_params.dot11MeshHWMPpreqMinInterval); | |
dca7e943 TP |
3281 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, |
3282 | cur_params.dot11MeshHWMPperrMinInterval); | |
93da9cc1 | 3283 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
3284 | cur_params.dot11MeshHWMPnetDiameterTraversalTime); | |
63c5723b RP |
3285 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, |
3286 | cur_params.dot11MeshHWMPRootMode); | |
0507e159 JC |
3287 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, |
3288 | cur_params.dot11MeshHWMPRannInterval); | |
16dd7267 JC |
3289 | NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, |
3290 | cur_params.dot11MeshGateAnnouncementProtocol); | |
94f90656 CYY |
3291 | NLA_PUT_U8(msg, NL80211_MESHCONF_FORWARDING, |
3292 | cur_params.dot11MeshForwarding); | |
55335137 AN |
3293 | NLA_PUT_U32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, |
3294 | cur_params.rssi_threshold); | |
93da9cc1 | 3295 | nla_nest_end(msg, pinfoattr); |
3296 | genlmsg_end(msg, hdr); | |
4c476991 | 3297 | return genlmsg_reply(msg, info); |
93da9cc1 | 3298 | |
3b85875a | 3299 | nla_put_failure: |
93da9cc1 | 3300 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 3301 | out: |
d080e275 | 3302 | nlmsg_free(msg); |
4c476991 | 3303 | return -ENOBUFS; |
93da9cc1 | 3304 | } |
3305 | ||
b54452b0 | 3306 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 3307 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
3308 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
3309 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
3310 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
3311 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
3312 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 3313 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 3314 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
3315 | ||
3316 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, | |
3317 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
3318 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
3319 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
3320 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 3321 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 3322 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 3323 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 3324 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 3325 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 3326 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
55335137 | 3327 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32}, |
93da9cc1 | 3328 | }; |
3329 | ||
c80d545d JC |
3330 | static const struct nla_policy |
3331 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
3332 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, | |
3333 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 3334 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
581a8b0f | 3335 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
c80d545d | 3336 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 3337 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
3338 | }; |
3339 | ||
24bdd9f4 | 3340 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
3341 | struct mesh_config *cfg, |
3342 | u32 *mask_out) | |
93da9cc1 | 3343 | { |
93da9cc1 | 3344 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 3345 | u32 mask = 0; |
93da9cc1 | 3346 | |
bd90fdcc JB |
3347 | #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ |
3348 | do {\ | |
3349 | if (table[attr_num]) {\ | |
3350 | cfg->param = nla_fn(table[attr_num]); \ | |
3351 | mask |= (1 << (attr_num - 1)); \ | |
3352 | } \ | |
3353 | } while (0);\ | |
3354 | ||
3355 | ||
24bdd9f4 | 3356 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 3357 | return -EINVAL; |
3358 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 3359 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 3360 | nl80211_meshconf_params_policy)) |
93da9cc1 | 3361 | return -EINVAL; |
3362 | ||
93da9cc1 | 3363 | /* This makes sure that there aren't more than 32 mesh config |
3364 | * parameters (otherwise our bitfield scheme would not work.) */ | |
3365 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
3366 | ||
3367 | /* Fill in the params struct */ | |
93da9cc1 | 3368 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, |
3369 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); | |
3370 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, | |
3371 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16); | |
3372 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, | |
3373 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16); | |
3374 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, | |
3375 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16); | |
3376 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, | |
3377 | mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); | |
3378 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, | |
3379 | mask, NL80211_MESHCONF_TTL, nla_get_u8); | |
45904f21 JC |
3380 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, |
3381 | mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); | |
93da9cc1 | 3382 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, |
3383 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); | |
3384 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, | |
3385 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
3386 | nla_get_u8); | |
3387 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, | |
3388 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32); | |
3389 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, | |
3390 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
3391 | nla_get_u16); | |
3392 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, | |
3393 | mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
3394 | nla_get_u32); | |
3395 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, | |
3396 | mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
3397 | nla_get_u16); | |
dca7e943 TP |
3398 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
3399 | mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
3400 | nla_get_u16); | |
93da9cc1 | 3401 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3402 | dot11MeshHWMPnetDiameterTraversalTime, | |
3403 | mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
3404 | nla_get_u16); | |
63c5723b RP |
3405 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3406 | dot11MeshHWMPRootMode, mask, | |
3407 | NL80211_MESHCONF_HWMP_ROOTMODE, | |
3408 | nla_get_u8); | |
0507e159 JC |
3409 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3410 | dot11MeshHWMPRannInterval, mask, | |
3411 | NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
3412 | nla_get_u16); | |
16dd7267 JC |
3413 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
3414 | dot11MeshGateAnnouncementProtocol, mask, | |
3415 | NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
3416 | nla_get_u8); | |
94f90656 CYY |
3417 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, |
3418 | mask, NL80211_MESHCONF_FORWARDING, nla_get_u8); | |
55335137 AN |
3419 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, |
3420 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, nla_get_u32); | |
bd90fdcc JB |
3421 | if (mask_out) |
3422 | *mask_out = mask; | |
c80d545d | 3423 | |
bd90fdcc JB |
3424 | return 0; |
3425 | ||
3426 | #undef FILL_IN_MESH_PARAM_IF_SET | |
3427 | } | |
3428 | ||
c80d545d JC |
3429 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
3430 | struct mesh_setup *setup) | |
3431 | { | |
3432 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; | |
3433 | ||
3434 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
3435 | return -EINVAL; | |
3436 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
3437 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
3438 | nl80211_mesh_setup_params_policy)) | |
3439 | return -EINVAL; | |
3440 | ||
3441 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) | |
3442 | setup->path_sel_proto = | |
3443 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
3444 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
3445 | IEEE80211_PATH_PROTOCOL_HWMP; | |
3446 | ||
3447 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
3448 | setup->path_metric = | |
3449 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
3450 | IEEE80211_PATH_METRIC_VENDOR : | |
3451 | IEEE80211_PATH_METRIC_AIRTIME; | |
3452 | ||
581a8b0f JC |
3453 | |
3454 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 3455 | struct nlattr *ieattr = |
581a8b0f | 3456 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
3457 | if (!is_valid_ie_attr(ieattr)) |
3458 | return -EINVAL; | |
581a8b0f JC |
3459 | setup->ie = nla_data(ieattr); |
3460 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 3461 | } |
b130e5ce JC |
3462 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
3463 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
c80d545d JC |
3464 | |
3465 | return 0; | |
3466 | } | |
3467 | ||
24bdd9f4 | 3468 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 3469 | struct genl_info *info) |
bd90fdcc JB |
3470 | { |
3471 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3472 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 3473 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
3474 | struct mesh_config cfg; |
3475 | u32 mask; | |
3476 | int err; | |
3477 | ||
29cbe68c JB |
3478 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3479 | return -EOPNOTSUPP; | |
3480 | ||
24bdd9f4 | 3481 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
3482 | return -EOPNOTSUPP; |
3483 | ||
24bdd9f4 | 3484 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
3485 | if (err) |
3486 | return err; | |
3487 | ||
29cbe68c JB |
3488 | wdev_lock(wdev); |
3489 | if (!wdev->mesh_id_len) | |
3490 | err = -ENOLINK; | |
3491 | ||
3492 | if (!err) | |
24bdd9f4 | 3493 | err = rdev->ops->update_mesh_config(&rdev->wiphy, dev, |
29cbe68c JB |
3494 | mask, &cfg); |
3495 | ||
3496 | wdev_unlock(wdev); | |
3497 | ||
3498 | return err; | |
93da9cc1 | 3499 | } |
3500 | ||
f130347c LR |
3501 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
3502 | { | |
3503 | struct sk_buff *msg; | |
3504 | void *hdr = NULL; | |
3505 | struct nlattr *nl_reg_rules; | |
3506 | unsigned int i; | |
3507 | int err = -EINVAL; | |
3508 | ||
a1794390 | 3509 | mutex_lock(&cfg80211_mutex); |
f130347c LR |
3510 | |
3511 | if (!cfg80211_regdomain) | |
3512 | goto out; | |
3513 | ||
fd2120ca | 3514 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
f130347c LR |
3515 | if (!msg) { |
3516 | err = -ENOBUFS; | |
3517 | goto out; | |
3518 | } | |
3519 | ||
3520 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
3521 | NL80211_CMD_GET_REG); | |
3522 | if (!hdr) | |
efe1cf0c | 3523 | goto put_failure; |
f130347c LR |
3524 | |
3525 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, | |
3526 | cfg80211_regdomain->alpha2); | |
8b60b078 LR |
3527 | if (cfg80211_regdomain->dfs_region) |
3528 | NLA_PUT_U8(msg, NL80211_ATTR_DFS_REGION, | |
3529 | cfg80211_regdomain->dfs_region); | |
f130347c LR |
3530 | |
3531 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); | |
3532 | if (!nl_reg_rules) | |
3533 | goto nla_put_failure; | |
3534 | ||
3535 | for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) { | |
3536 | struct nlattr *nl_reg_rule; | |
3537 | const struct ieee80211_reg_rule *reg_rule; | |
3538 | const struct ieee80211_freq_range *freq_range; | |
3539 | const struct ieee80211_power_rule *power_rule; | |
3540 | ||
3541 | reg_rule = &cfg80211_regdomain->reg_rules[i]; | |
3542 | freq_range = ®_rule->freq_range; | |
3543 | power_rule = ®_rule->power_rule; | |
3544 | ||
3545 | nl_reg_rule = nla_nest_start(msg, i); | |
3546 | if (!nl_reg_rule) | |
3547 | goto nla_put_failure; | |
3548 | ||
3549 | NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS, | |
3550 | reg_rule->flags); | |
3551 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
3552 | freq_range->start_freq_khz); | |
3553 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
3554 | freq_range->end_freq_khz); | |
3555 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
3556 | freq_range->max_bandwidth_khz); | |
3557 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
3558 | power_rule->max_antenna_gain); | |
3559 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
3560 | power_rule->max_eirp); | |
3561 | ||
3562 | nla_nest_end(msg, nl_reg_rule); | |
3563 | } | |
3564 | ||
3565 | nla_nest_end(msg, nl_reg_rules); | |
3566 | ||
3567 | genlmsg_end(msg, hdr); | |
134e6375 | 3568 | err = genlmsg_reply(msg, info); |
f130347c LR |
3569 | goto out; |
3570 | ||
3571 | nla_put_failure: | |
3572 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 3573 | put_failure: |
d080e275 | 3574 | nlmsg_free(msg); |
f130347c LR |
3575 | err = -EMSGSIZE; |
3576 | out: | |
a1794390 | 3577 | mutex_unlock(&cfg80211_mutex); |
f130347c LR |
3578 | return err; |
3579 | } | |
3580 | ||
b2e1b302 LR |
3581 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
3582 | { | |
3583 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
3584 | struct nlattr *nl_reg_rule; | |
3585 | char *alpha2 = NULL; | |
3586 | int rem_reg_rules = 0, r = 0; | |
3587 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
8b60b078 | 3588 | u8 dfs_region = 0; |
b2e1b302 LR |
3589 | struct ieee80211_regdomain *rd = NULL; |
3590 | ||
3591 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
3592 | return -EINVAL; | |
3593 | ||
3594 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
3595 | return -EINVAL; | |
3596 | ||
3597 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
3598 | ||
8b60b078 LR |
3599 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
3600 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
3601 | ||
b2e1b302 LR |
3602 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
3603 | rem_reg_rules) { | |
3604 | num_rules++; | |
3605 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 3606 | return -EINVAL; |
b2e1b302 LR |
3607 | } |
3608 | ||
61405e97 LR |
3609 | mutex_lock(&cfg80211_mutex); |
3610 | ||
d0e18f83 LR |
3611 | if (!reg_is_valid_request(alpha2)) { |
3612 | r = -EINVAL; | |
3613 | goto bad_reg; | |
3614 | } | |
b2e1b302 LR |
3615 | |
3616 | size_of_regd = sizeof(struct ieee80211_regdomain) + | |
3617 | (num_rules * sizeof(struct ieee80211_reg_rule)); | |
3618 | ||
3619 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
d0e18f83 LR |
3620 | if (!rd) { |
3621 | r = -ENOMEM; | |
3622 | goto bad_reg; | |
3623 | } | |
b2e1b302 LR |
3624 | |
3625 | rd->n_reg_rules = num_rules; | |
3626 | rd->alpha2[0] = alpha2[0]; | |
3627 | rd->alpha2[1] = alpha2[1]; | |
3628 | ||
8b60b078 LR |
3629 | /* |
3630 | * Disable DFS master mode if the DFS region was | |
3631 | * not supported or known on this kernel. | |
3632 | */ | |
3633 | if (reg_supported_dfs_region(dfs_region)) | |
3634 | rd->dfs_region = dfs_region; | |
3635 | ||
b2e1b302 LR |
3636 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
3637 | rem_reg_rules) { | |
3638 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, | |
3639 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
3640 | reg_rule_policy); | |
3641 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); | |
3642 | if (r) | |
3643 | goto bad_reg; | |
3644 | ||
3645 | rule_idx++; | |
3646 | ||
d0e18f83 LR |
3647 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
3648 | r = -EINVAL; | |
b2e1b302 | 3649 | goto bad_reg; |
d0e18f83 | 3650 | } |
b2e1b302 LR |
3651 | } |
3652 | ||
3653 | BUG_ON(rule_idx != num_rules); | |
3654 | ||
b2e1b302 | 3655 | r = set_regdom(rd); |
61405e97 | 3656 | |
a1794390 | 3657 | mutex_unlock(&cfg80211_mutex); |
d0e18f83 | 3658 | |
b2e1b302 LR |
3659 | return r; |
3660 | ||
d2372b31 | 3661 | bad_reg: |
61405e97 | 3662 | mutex_unlock(&cfg80211_mutex); |
b2e1b302 | 3663 | kfree(rd); |
d0e18f83 | 3664 | return r; |
b2e1b302 LR |
3665 | } |
3666 | ||
83f5e2cf JB |
3667 | static int validate_scan_freqs(struct nlattr *freqs) |
3668 | { | |
3669 | struct nlattr *attr1, *attr2; | |
3670 | int n_channels = 0, tmp1, tmp2; | |
3671 | ||
3672 | nla_for_each_nested(attr1, freqs, tmp1) { | |
3673 | n_channels++; | |
3674 | /* | |
3675 | * Some hardware has a limited channel list for | |
3676 | * scanning, and it is pretty much nonsensical | |
3677 | * to scan for a channel twice, so disallow that | |
3678 | * and don't require drivers to check that the | |
3679 | * channel list they get isn't longer than what | |
3680 | * they can scan, as long as they can scan all | |
3681 | * the channels they registered at once. | |
3682 | */ | |
3683 | nla_for_each_nested(attr2, freqs, tmp2) | |
3684 | if (attr1 != attr2 && | |
3685 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
3686 | return 0; | |
3687 | } | |
3688 | ||
3689 | return n_channels; | |
3690 | } | |
3691 | ||
2a519311 JB |
3692 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
3693 | { | |
4c476991 JB |
3694 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3695 | struct net_device *dev = info->user_ptr[1]; | |
2a519311 | 3696 | struct cfg80211_scan_request *request; |
2a519311 JB |
3697 | struct nlattr *attr; |
3698 | struct wiphy *wiphy; | |
83f5e2cf | 3699 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 3700 | size_t ie_len; |
2a519311 | 3701 | |
f4a11bb0 JB |
3702 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
3703 | return -EINVAL; | |
3704 | ||
79c97e97 | 3705 | wiphy = &rdev->wiphy; |
2a519311 | 3706 | |
4c476991 JB |
3707 | if (!rdev->ops->scan) |
3708 | return -EOPNOTSUPP; | |
2a519311 | 3709 | |
4c476991 JB |
3710 | if (rdev->scan_req) |
3711 | return -EBUSY; | |
2a519311 JB |
3712 | |
3713 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
3714 | n_channels = validate_scan_freqs( |
3715 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
4c476991 JB |
3716 | if (!n_channels) |
3717 | return -EINVAL; | |
2a519311 | 3718 | } else { |
34850ab2 | 3719 | enum ieee80211_band band; |
83f5e2cf JB |
3720 | n_channels = 0; |
3721 | ||
2a519311 JB |
3722 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
3723 | if (wiphy->bands[band]) | |
3724 | n_channels += wiphy->bands[band]->n_channels; | |
3725 | } | |
3726 | ||
3727 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
3728 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
3729 | n_ssids++; | |
3730 | ||
4c476991 JB |
3731 | if (n_ssids > wiphy->max_scan_ssids) |
3732 | return -EINVAL; | |
2a519311 | 3733 | |
70692ad2 JM |
3734 | if (info->attrs[NL80211_ATTR_IE]) |
3735 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3736 | else | |
3737 | ie_len = 0; | |
3738 | ||
4c476991 JB |
3739 | if (ie_len > wiphy->max_scan_ie_len) |
3740 | return -EINVAL; | |
18a83659 | 3741 | |
2a519311 | 3742 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
3743 | + sizeof(*request->ssids) * n_ssids |
3744 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 3745 | + ie_len, GFP_KERNEL); |
4c476991 JB |
3746 | if (!request) |
3747 | return -ENOMEM; | |
2a519311 | 3748 | |
2a519311 | 3749 | if (n_ssids) |
5ba63533 | 3750 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 3751 | request->n_ssids = n_ssids; |
70692ad2 JM |
3752 | if (ie_len) { |
3753 | if (request->ssids) | |
3754 | request->ie = (void *)(request->ssids + n_ssids); | |
3755 | else | |
3756 | request->ie = (void *)(request->channels + n_channels); | |
3757 | } | |
2a519311 | 3758 | |
584991dc | 3759 | i = 0; |
2a519311 JB |
3760 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
3761 | /* user specified, bail out if channel not found */ | |
2a519311 | 3762 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
3763 | struct ieee80211_channel *chan; |
3764 | ||
3765 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
3766 | ||
3767 | if (!chan) { | |
2a519311 JB |
3768 | err = -EINVAL; |
3769 | goto out_free; | |
3770 | } | |
584991dc JB |
3771 | |
3772 | /* ignore disabled channels */ | |
3773 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3774 | continue; | |
3775 | ||
3776 | request->channels[i] = chan; | |
2a519311 JB |
3777 | i++; |
3778 | } | |
3779 | } else { | |
34850ab2 JB |
3780 | enum ieee80211_band band; |
3781 | ||
2a519311 | 3782 | /* all channels */ |
2a519311 JB |
3783 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
3784 | int j; | |
3785 | if (!wiphy->bands[band]) | |
3786 | continue; | |
3787 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
3788 | struct ieee80211_channel *chan; |
3789 | ||
3790 | chan = &wiphy->bands[band]->channels[j]; | |
3791 | ||
3792 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3793 | continue; | |
3794 | ||
3795 | request->channels[i] = chan; | |
2a519311 JB |
3796 | i++; |
3797 | } | |
3798 | } | |
3799 | } | |
3800 | ||
584991dc JB |
3801 | if (!i) { |
3802 | err = -EINVAL; | |
3803 | goto out_free; | |
3804 | } | |
3805 | ||
3806 | request->n_channels = i; | |
3807 | ||
2a519311 JB |
3808 | i = 0; |
3809 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
3810 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 3811 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
3812 | err = -EINVAL; |
3813 | goto out_free; | |
3814 | } | |
57a27e1d | 3815 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 3816 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
3817 | i++; |
3818 | } | |
3819 | } | |
3820 | ||
70692ad2 JM |
3821 | if (info->attrs[NL80211_ATTR_IE]) { |
3822 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
3823 | memcpy((void *)request->ie, |
3824 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
3825 | request->ie_len); |
3826 | } | |
3827 | ||
34850ab2 | 3828 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
3829 | if (wiphy->bands[i]) |
3830 | request->rates[i] = | |
3831 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
3832 | |
3833 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
3834 | nla_for_each_nested(attr, | |
3835 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
3836 | tmp) { | |
3837 | enum ieee80211_band band = nla_type(attr); | |
3838 | ||
84404623 | 3839 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
3840 | err = -EINVAL; |
3841 | goto out_free; | |
3842 | } | |
3843 | err = ieee80211_get_ratemask(wiphy->bands[band], | |
3844 | nla_data(attr), | |
3845 | nla_len(attr), | |
3846 | &request->rates[band]); | |
3847 | if (err) | |
3848 | goto out_free; | |
3849 | } | |
3850 | } | |
3851 | ||
e9f935e3 RM |
3852 | request->no_cck = |
3853 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
3854 | ||
463d0183 | 3855 | request->dev = dev; |
79c97e97 | 3856 | request->wiphy = &rdev->wiphy; |
2a519311 | 3857 | |
79c97e97 JB |
3858 | rdev->scan_req = request; |
3859 | err = rdev->ops->scan(&rdev->wiphy, dev, request); | |
2a519311 | 3860 | |
463d0183 | 3861 | if (!err) { |
79c97e97 | 3862 | nl80211_send_scan_start(rdev, dev); |
463d0183 | 3863 | dev_hold(dev); |
4c476991 | 3864 | } else { |
2a519311 | 3865 | out_free: |
79c97e97 | 3866 | rdev->scan_req = NULL; |
2a519311 JB |
3867 | kfree(request); |
3868 | } | |
3b85875a | 3869 | |
2a519311 JB |
3870 | return err; |
3871 | } | |
3872 | ||
807f8a8c LC |
3873 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
3874 | struct genl_info *info) | |
3875 | { | |
3876 | struct cfg80211_sched_scan_request *request; | |
3877 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3878 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
3879 | struct nlattr *attr; |
3880 | struct wiphy *wiphy; | |
a1f1c21c | 3881 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 3882 | u32 interval; |
807f8a8c LC |
3883 | enum ieee80211_band band; |
3884 | size_t ie_len; | |
a1f1c21c | 3885 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
3886 | |
3887 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
3888 | !rdev->ops->sched_scan_start) | |
3889 | return -EOPNOTSUPP; | |
3890 | ||
3891 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
3892 | return -EINVAL; | |
3893 | ||
bbe6ad6d LC |
3894 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
3895 | return -EINVAL; | |
3896 | ||
3897 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
3898 | if (interval == 0) | |
3899 | return -EINVAL; | |
3900 | ||
807f8a8c LC |
3901 | wiphy = &rdev->wiphy; |
3902 | ||
3903 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
3904 | n_channels = validate_scan_freqs( | |
3905 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
3906 | if (!n_channels) | |
3907 | return -EINVAL; | |
3908 | } else { | |
3909 | n_channels = 0; | |
3910 | ||
3911 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
3912 | if (wiphy->bands[band]) | |
3913 | n_channels += wiphy->bands[band]->n_channels; | |
3914 | } | |
3915 | ||
3916 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
3917 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
3918 | tmp) | |
3919 | n_ssids++; | |
3920 | ||
93b6aa69 | 3921 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
3922 | return -EINVAL; |
3923 | ||
a1f1c21c LC |
3924 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
3925 | nla_for_each_nested(attr, | |
3926 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
3927 | tmp) | |
3928 | n_match_sets++; | |
3929 | ||
3930 | if (n_match_sets > wiphy->max_match_sets) | |
3931 | return -EINVAL; | |
3932 | ||
807f8a8c LC |
3933 | if (info->attrs[NL80211_ATTR_IE]) |
3934 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
3935 | else | |
3936 | ie_len = 0; | |
3937 | ||
5a865bad | 3938 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
3939 | return -EINVAL; |
3940 | ||
c10841ca LC |
3941 | mutex_lock(&rdev->sched_scan_mtx); |
3942 | ||
3943 | if (rdev->sched_scan_req) { | |
3944 | err = -EINPROGRESS; | |
3945 | goto out; | |
3946 | } | |
3947 | ||
807f8a8c | 3948 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 3949 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 3950 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 3951 | + sizeof(*request->channels) * n_channels |
807f8a8c | 3952 | + ie_len, GFP_KERNEL); |
c10841ca LC |
3953 | if (!request) { |
3954 | err = -ENOMEM; | |
3955 | goto out; | |
3956 | } | |
807f8a8c LC |
3957 | |
3958 | if (n_ssids) | |
3959 | request->ssids = (void *)&request->channels[n_channels]; | |
3960 | request->n_ssids = n_ssids; | |
3961 | if (ie_len) { | |
3962 | if (request->ssids) | |
3963 | request->ie = (void *)(request->ssids + n_ssids); | |
3964 | else | |
3965 | request->ie = (void *)(request->channels + n_channels); | |
3966 | } | |
3967 | ||
a1f1c21c LC |
3968 | if (n_match_sets) { |
3969 | if (request->ie) | |
3970 | request->match_sets = (void *)(request->ie + ie_len); | |
3971 | else if (request->ssids) | |
3972 | request->match_sets = | |
3973 | (void *)(request->ssids + n_ssids); | |
3974 | else | |
3975 | request->match_sets = | |
3976 | (void *)(request->channels + n_channels); | |
3977 | } | |
3978 | request->n_match_sets = n_match_sets; | |
3979 | ||
807f8a8c LC |
3980 | i = 0; |
3981 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
3982 | /* user specified, bail out if channel not found */ | |
3983 | nla_for_each_nested(attr, | |
3984 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
3985 | tmp) { | |
3986 | struct ieee80211_channel *chan; | |
3987 | ||
3988 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
3989 | ||
3990 | if (!chan) { | |
3991 | err = -EINVAL; | |
3992 | goto out_free; | |
3993 | } | |
3994 | ||
3995 | /* ignore disabled channels */ | |
3996 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
3997 | continue; | |
3998 | ||
3999 | request->channels[i] = chan; | |
4000 | i++; | |
4001 | } | |
4002 | } else { | |
4003 | /* all channels */ | |
4004 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
4005 | int j; | |
4006 | if (!wiphy->bands[band]) | |
4007 | continue; | |
4008 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
4009 | struct ieee80211_channel *chan; | |
4010 | ||
4011 | chan = &wiphy->bands[band]->channels[j]; | |
4012 | ||
4013 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
4014 | continue; | |
4015 | ||
4016 | request->channels[i] = chan; | |
4017 | i++; | |
4018 | } | |
4019 | } | |
4020 | } | |
4021 | ||
4022 | if (!i) { | |
4023 | err = -EINVAL; | |
4024 | goto out_free; | |
4025 | } | |
4026 | ||
4027 | request->n_channels = i; | |
4028 | ||
4029 | i = 0; | |
4030 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
4031 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
4032 | tmp) { | |
57a27e1d | 4033 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
4034 | err = -EINVAL; |
4035 | goto out_free; | |
4036 | } | |
57a27e1d | 4037 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
4038 | memcpy(request->ssids[i].ssid, nla_data(attr), |
4039 | nla_len(attr)); | |
807f8a8c LC |
4040 | i++; |
4041 | } | |
4042 | } | |
4043 | ||
a1f1c21c LC |
4044 | i = 0; |
4045 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
4046 | nla_for_each_nested(attr, | |
4047 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
4048 | tmp) { | |
4049 | struct nlattr *ssid; | |
4050 | ||
4051 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
4052 | nla_data(attr), nla_len(attr), | |
4053 | nl80211_match_policy); | |
4054 | ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID]; | |
4055 | if (ssid) { | |
4056 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
4057 | err = -EINVAL; | |
4058 | goto out_free; | |
4059 | } | |
4060 | memcpy(request->match_sets[i].ssid.ssid, | |
4061 | nla_data(ssid), nla_len(ssid)); | |
4062 | request->match_sets[i].ssid.ssid_len = | |
4063 | nla_len(ssid); | |
4064 | } | |
4065 | i++; | |
4066 | } | |
4067 | } | |
4068 | ||
807f8a8c LC |
4069 | if (info->attrs[NL80211_ATTR_IE]) { |
4070 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4071 | memcpy((void *)request->ie, | |
4072 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
4073 | request->ie_len); | |
4074 | } | |
4075 | ||
4076 | request->dev = dev; | |
4077 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 4078 | request->interval = interval; |
807f8a8c LC |
4079 | |
4080 | err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request); | |
4081 | if (!err) { | |
4082 | rdev->sched_scan_req = request; | |
4083 | nl80211_send_sched_scan(rdev, dev, | |
4084 | NL80211_CMD_START_SCHED_SCAN); | |
4085 | goto out; | |
4086 | } | |
4087 | ||
4088 | out_free: | |
4089 | kfree(request); | |
4090 | out: | |
c10841ca | 4091 | mutex_unlock(&rdev->sched_scan_mtx); |
807f8a8c LC |
4092 | return err; |
4093 | } | |
4094 | ||
4095 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
4096 | struct genl_info *info) | |
4097 | { | |
4098 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
c10841ca | 4099 | int err; |
807f8a8c LC |
4100 | |
4101 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
4102 | !rdev->ops->sched_scan_stop) | |
4103 | return -EOPNOTSUPP; | |
4104 | ||
c10841ca LC |
4105 | mutex_lock(&rdev->sched_scan_mtx); |
4106 | err = __cfg80211_stop_sched_scan(rdev, false); | |
4107 | mutex_unlock(&rdev->sched_scan_mtx); | |
4108 | ||
4109 | return err; | |
807f8a8c LC |
4110 | } |
4111 | ||
9720bb3a JB |
4112 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
4113 | u32 seq, int flags, | |
2a519311 | 4114 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
4115 | struct wireless_dev *wdev, |
4116 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 4117 | { |
48ab905d | 4118 | struct cfg80211_bss *res = &intbss->pub; |
2a519311 JB |
4119 | void *hdr; |
4120 | struct nlattr *bss; | |
48ab905d JB |
4121 | |
4122 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 4123 | |
9720bb3a | 4124 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags, |
2a519311 JB |
4125 | NL80211_CMD_NEW_SCAN_RESULTS); |
4126 | if (!hdr) | |
4127 | return -1; | |
4128 | ||
9720bb3a JB |
4129 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
4130 | ||
f5ea9120 | 4131 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation); |
48ab905d | 4132 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex); |
2a519311 JB |
4133 | |
4134 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
4135 | if (!bss) | |
4136 | goto nla_put_failure; | |
4137 | if (!is_zero_ether_addr(res->bssid)) | |
4138 | NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid); | |
4139 | if (res->information_elements && res->len_information_elements) | |
4140 | NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
4141 | res->len_information_elements, | |
4142 | res->information_elements); | |
34a6eddb JM |
4143 | if (res->beacon_ies && res->len_beacon_ies && |
4144 | res->beacon_ies != res->information_elements) | |
4145 | NLA_PUT(msg, NL80211_BSS_BEACON_IES, | |
4146 | res->len_beacon_ies, res->beacon_ies); | |
2a519311 JB |
4147 | if (res->tsf) |
4148 | NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf); | |
4149 | if (res->beacon_interval) | |
4150 | NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval); | |
4151 | NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability); | |
4152 | NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq); | |
7c89606e HS |
4153 | NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO, |
4154 | jiffies_to_msecs(jiffies - intbss->ts)); | |
2a519311 | 4155 | |
77965c97 | 4156 | switch (rdev->wiphy.signal_type) { |
2a519311 JB |
4157 | case CFG80211_SIGNAL_TYPE_MBM: |
4158 | NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal); | |
4159 | break; | |
4160 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
4161 | NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal); | |
4162 | break; | |
4163 | default: | |
4164 | break; | |
4165 | } | |
4166 | ||
48ab905d | 4167 | switch (wdev->iftype) { |
074ac8df | 4168 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d JB |
4169 | case NL80211_IFTYPE_STATION: |
4170 | if (intbss == wdev->current_bss) | |
4171 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
4172 | NL80211_BSS_STATUS_ASSOCIATED); | |
48ab905d JB |
4173 | break; |
4174 | case NL80211_IFTYPE_ADHOC: | |
4175 | if (intbss == wdev->current_bss) | |
4176 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, | |
4177 | NL80211_BSS_STATUS_IBSS_JOINED); | |
4178 | break; | |
4179 | default: | |
4180 | break; | |
4181 | } | |
4182 | ||
2a519311 JB |
4183 | nla_nest_end(msg, bss); |
4184 | ||
4185 | return genlmsg_end(msg, hdr); | |
4186 | ||
4187 | nla_put_failure: | |
4188 | genlmsg_cancel(msg, hdr); | |
4189 | return -EMSGSIZE; | |
4190 | } | |
4191 | ||
4192 | static int nl80211_dump_scan(struct sk_buff *skb, | |
4193 | struct netlink_callback *cb) | |
4194 | { | |
48ab905d JB |
4195 | struct cfg80211_registered_device *rdev; |
4196 | struct net_device *dev; | |
2a519311 | 4197 | struct cfg80211_internal_bss *scan; |
48ab905d | 4198 | struct wireless_dev *wdev; |
2a519311 JB |
4199 | int start = cb->args[1], idx = 0; |
4200 | int err; | |
4201 | ||
67748893 JB |
4202 | err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev); |
4203 | if (err) | |
4204 | return err; | |
2a519311 | 4205 | |
48ab905d | 4206 | wdev = dev->ieee80211_ptr; |
2a519311 | 4207 | |
48ab905d JB |
4208 | wdev_lock(wdev); |
4209 | spin_lock_bh(&rdev->bss_lock); | |
4210 | cfg80211_bss_expire(rdev); | |
4211 | ||
9720bb3a JB |
4212 | cb->seq = rdev->bss_generation; |
4213 | ||
48ab905d | 4214 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
4215 | if (++idx <= start) |
4216 | continue; | |
9720bb3a | 4217 | if (nl80211_send_bss(skb, cb, |
2a519311 | 4218 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 4219 | rdev, wdev, scan) < 0) { |
2a519311 | 4220 | idx--; |
67748893 | 4221 | break; |
2a519311 JB |
4222 | } |
4223 | } | |
4224 | ||
48ab905d JB |
4225 | spin_unlock_bh(&rdev->bss_lock); |
4226 | wdev_unlock(wdev); | |
2a519311 JB |
4227 | |
4228 | cb->args[1] = idx; | |
67748893 | 4229 | nl80211_finish_netdev_dump(rdev); |
2a519311 | 4230 | |
67748893 | 4231 | return skb->len; |
2a519311 JB |
4232 | } |
4233 | ||
61fa713c HS |
4234 | static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, |
4235 | int flags, struct net_device *dev, | |
4236 | struct survey_info *survey) | |
4237 | { | |
4238 | void *hdr; | |
4239 | struct nlattr *infoattr; | |
4240 | ||
61fa713c HS |
4241 | hdr = nl80211hdr_put(msg, pid, seq, flags, |
4242 | NL80211_CMD_NEW_SURVEY_RESULTS); | |
4243 | if (!hdr) | |
4244 | return -ENOMEM; | |
4245 | ||
4246 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
4247 | ||
4248 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
4249 | if (!infoattr) | |
4250 | goto nla_put_failure; | |
4251 | ||
4252 | NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
4253 | survey->channel->center_freq); | |
4254 | if (survey->filled & SURVEY_INFO_NOISE_DBM) | |
4255 | NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE, | |
4256 | survey->noise); | |
17e5a808 FF |
4257 | if (survey->filled & SURVEY_INFO_IN_USE) |
4258 | NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE); | |
8610c29a FF |
4259 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME) |
4260 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
4261 | survey->channel_time); | |
4262 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
4263 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
4264 | survey->channel_time_busy); | |
4265 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
4266 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
4267 | survey->channel_time_ext_busy); | |
4268 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
4269 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
4270 | survey->channel_time_rx); | |
4271 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
4272 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
4273 | survey->channel_time_tx); | |
61fa713c HS |
4274 | |
4275 | nla_nest_end(msg, infoattr); | |
4276 | ||
4277 | return genlmsg_end(msg, hdr); | |
4278 | ||
4279 | nla_put_failure: | |
4280 | genlmsg_cancel(msg, hdr); | |
4281 | return -EMSGSIZE; | |
4282 | } | |
4283 | ||
4284 | static int nl80211_dump_survey(struct sk_buff *skb, | |
4285 | struct netlink_callback *cb) | |
4286 | { | |
4287 | struct survey_info survey; | |
4288 | struct cfg80211_registered_device *dev; | |
4289 | struct net_device *netdev; | |
61fa713c HS |
4290 | int survey_idx = cb->args[1]; |
4291 | int res; | |
4292 | ||
67748893 JB |
4293 | res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
4294 | if (res) | |
4295 | return res; | |
61fa713c HS |
4296 | |
4297 | if (!dev->ops->dump_survey) { | |
4298 | res = -EOPNOTSUPP; | |
4299 | goto out_err; | |
4300 | } | |
4301 | ||
4302 | while (1) { | |
180cdc79 LR |
4303 | struct ieee80211_channel *chan; |
4304 | ||
61fa713c HS |
4305 | res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx, |
4306 | &survey); | |
4307 | if (res == -ENOENT) | |
4308 | break; | |
4309 | if (res) | |
4310 | goto out_err; | |
4311 | ||
180cdc79 LR |
4312 | /* Survey without a channel doesn't make sense */ |
4313 | if (!survey.channel) { | |
4314 | res = -EINVAL; | |
4315 | goto out; | |
4316 | } | |
4317 | ||
4318 | chan = ieee80211_get_channel(&dev->wiphy, | |
4319 | survey.channel->center_freq); | |
4320 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
4321 | survey_idx++; | |
4322 | continue; | |
4323 | } | |
4324 | ||
61fa713c HS |
4325 | if (nl80211_send_survey(skb, |
4326 | NETLINK_CB(cb->skb).pid, | |
4327 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4328 | netdev, | |
4329 | &survey) < 0) | |
4330 | goto out; | |
4331 | survey_idx++; | |
4332 | } | |
4333 | ||
4334 | out: | |
4335 | cb->args[1] = survey_idx; | |
4336 | res = skb->len; | |
4337 | out_err: | |
67748893 | 4338 | nl80211_finish_netdev_dump(dev); |
61fa713c HS |
4339 | return res; |
4340 | } | |
4341 | ||
255e737e JM |
4342 | static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type) |
4343 | { | |
b23aa676 SO |
4344 | return auth_type <= NL80211_AUTHTYPE_MAX; |
4345 | } | |
4346 | ||
4347 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) | |
4348 | { | |
4349 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
4350 | NL80211_WPA_VERSION_2)); | |
4351 | } | |
4352 | ||
636a5d36 JM |
4353 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
4354 | { | |
4c476991 JB |
4355 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4356 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 JB |
4357 | struct ieee80211_channel *chan; |
4358 | const u8 *bssid, *ssid, *ie = NULL; | |
4359 | int err, ssid_len, ie_len = 0; | |
4360 | enum nl80211_auth_type auth_type; | |
fffd0934 | 4361 | struct key_parse key; |
d5cdfacb | 4362 | bool local_state_change; |
636a5d36 | 4363 | |
f4a11bb0 JB |
4364 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4365 | return -EINVAL; | |
4366 | ||
4367 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4368 | return -EINVAL; | |
4369 | ||
1778092e JM |
4370 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
4371 | return -EINVAL; | |
4372 | ||
19957bb3 JB |
4373 | if (!info->attrs[NL80211_ATTR_SSID]) |
4374 | return -EINVAL; | |
4375 | ||
4376 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
4377 | return -EINVAL; | |
4378 | ||
fffd0934 JB |
4379 | err = nl80211_parse_key(info, &key); |
4380 | if (err) | |
4381 | return err; | |
4382 | ||
4383 | if (key.idx >= 0) { | |
e31b8213 JB |
4384 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
4385 | return -EINVAL; | |
fffd0934 JB |
4386 | if (!key.p.key || !key.p.key_len) |
4387 | return -EINVAL; | |
4388 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
4389 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
4390 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
4391 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
4392 | return -EINVAL; | |
4393 | if (key.idx > 4) | |
4394 | return -EINVAL; | |
4395 | } else { | |
4396 | key.p.key_len = 0; | |
4397 | key.p.key = NULL; | |
4398 | } | |
4399 | ||
afea0b7a JB |
4400 | if (key.idx >= 0) { |
4401 | int i; | |
4402 | bool ok = false; | |
4403 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
4404 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
4405 | ok = true; | |
4406 | break; | |
4407 | } | |
4408 | } | |
4c476991 JB |
4409 | if (!ok) |
4410 | return -EINVAL; | |
afea0b7a JB |
4411 | } |
4412 | ||
4c476991 JB |
4413 | if (!rdev->ops->auth) |
4414 | return -EOPNOTSUPP; | |
636a5d36 | 4415 | |
074ac8df | 4416 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4417 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4418 | return -EOPNOTSUPP; | |
eec60b03 | 4419 | |
19957bb3 | 4420 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 4421 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 4422 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
4423 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
4424 | return -EINVAL; | |
636a5d36 | 4425 | |
19957bb3 JB |
4426 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4427 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
4428 | |
4429 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4430 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4431 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4432 | } |
4433 | ||
19957bb3 | 4434 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
4c476991 JB |
4435 | if (!nl80211_valid_auth_type(auth_type)) |
4436 | return -EINVAL; | |
636a5d36 | 4437 | |
d5cdfacb JM |
4438 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4439 | ||
95de817b JB |
4440 | /* |
4441 | * Since we no longer track auth state, ignore | |
4442 | * requests to only change local state. | |
4443 | */ | |
4444 | if (local_state_change) | |
4445 | return 0; | |
4446 | ||
4c476991 JB |
4447 | return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
4448 | ssid, ssid_len, ie, ie_len, | |
95de817b | 4449 | key.p.key, key.p.key_len, key.idx); |
636a5d36 JM |
4450 | } |
4451 | ||
c0692b8f JB |
4452 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
4453 | struct genl_info *info, | |
3dc27d25 JB |
4454 | struct cfg80211_crypto_settings *settings, |
4455 | int cipher_limit) | |
b23aa676 | 4456 | { |
c0b2bbd8 JB |
4457 | memset(settings, 0, sizeof(*settings)); |
4458 | ||
b23aa676 SO |
4459 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
4460 | ||
c0692b8f JB |
4461 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
4462 | u16 proto; | |
4463 | proto = nla_get_u16( | |
4464 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
4465 | settings->control_port_ethertype = cpu_to_be16(proto); | |
4466 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
4467 | proto != ETH_P_PAE) | |
4468 | return -EINVAL; | |
4469 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
4470 | settings->control_port_no_encrypt = true; | |
4471 | } else | |
4472 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
4473 | ||
b23aa676 SO |
4474 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
4475 | void *data; | |
4476 | int len, i; | |
4477 | ||
4478 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
4479 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
4480 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
4481 | ||
4482 | if (len % sizeof(u32)) | |
4483 | return -EINVAL; | |
4484 | ||
3dc27d25 | 4485 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
4486 | return -EINVAL; |
4487 | ||
4488 | memcpy(settings->ciphers_pairwise, data, len); | |
4489 | ||
4490 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
4491 | if (!cfg80211_supported_cipher_suite( |
4492 | &rdev->wiphy, | |
b23aa676 SO |
4493 | settings->ciphers_pairwise[i])) |
4494 | return -EINVAL; | |
4495 | } | |
4496 | ||
4497 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
4498 | settings->cipher_group = | |
4499 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
4500 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
4501 | settings->cipher_group)) | |
b23aa676 SO |
4502 | return -EINVAL; |
4503 | } | |
4504 | ||
4505 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
4506 | settings->wpa_versions = | |
4507 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
4508 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
4509 | return -EINVAL; | |
4510 | } | |
4511 | ||
4512 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
4513 | void *data; | |
6d30240e | 4514 | int len; |
b23aa676 SO |
4515 | |
4516 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
4517 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
4518 | settings->n_akm_suites = len / sizeof(u32); | |
4519 | ||
4520 | if (len % sizeof(u32)) | |
4521 | return -EINVAL; | |
4522 | ||
1b9ca027 JM |
4523 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
4524 | return -EINVAL; | |
4525 | ||
b23aa676 | 4526 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
4527 | } |
4528 | ||
4529 | return 0; | |
4530 | } | |
4531 | ||
636a5d36 JM |
4532 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
4533 | { | |
4c476991 JB |
4534 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4535 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4536 | struct cfg80211_crypto_settings crypto; |
f444de05 | 4537 | struct ieee80211_channel *chan; |
3e5d7649 | 4538 | const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; |
19957bb3 JB |
4539 | int err, ssid_len, ie_len = 0; |
4540 | bool use_mfp = false; | |
7e7c8926 BG |
4541 | u32 flags = 0; |
4542 | struct ieee80211_ht_cap *ht_capa = NULL; | |
4543 | struct ieee80211_ht_cap *ht_capa_mask = NULL; | |
636a5d36 | 4544 | |
f4a11bb0 JB |
4545 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4546 | return -EINVAL; | |
4547 | ||
4548 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
4549 | !info->attrs[NL80211_ATTR_SSID] || |
4550 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
4551 | return -EINVAL; |
4552 | ||
4c476991 JB |
4553 | if (!rdev->ops->assoc) |
4554 | return -EOPNOTSUPP; | |
636a5d36 | 4555 | |
074ac8df | 4556 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4557 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4558 | return -EOPNOTSUPP; | |
eec60b03 | 4559 | |
19957bb3 | 4560 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4561 | |
19957bb3 JB |
4562 | chan = ieee80211_get_channel(&rdev->wiphy, |
4563 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
4564 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
4565 | return -EINVAL; | |
636a5d36 | 4566 | |
19957bb3 JB |
4567 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4568 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
4569 | |
4570 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4571 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4572 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4573 | } |
4574 | ||
dc6382ce | 4575 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 4576 | enum nl80211_mfp mfp = |
dc6382ce | 4577 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 4578 | if (mfp == NL80211_MFP_REQUIRED) |
19957bb3 | 4579 | use_mfp = true; |
4c476991 JB |
4580 | else if (mfp != NL80211_MFP_NO) |
4581 | return -EINVAL; | |
dc6382ce JM |
4582 | } |
4583 | ||
3e5d7649 JB |
4584 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
4585 | prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
4586 | ||
7e7c8926 BG |
4587 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
4588 | flags |= ASSOC_REQ_DISABLE_HT; | |
4589 | ||
4590 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
4591 | ht_capa_mask = | |
4592 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]); | |
4593 | ||
4594 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
4595 | if (!ht_capa_mask) | |
4596 | return -EINVAL; | |
4597 | ht_capa = nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4598 | } | |
4599 | ||
c0692b8f | 4600 | err = nl80211_crypto_settings(rdev, info, &crypto, 1); |
b23aa676 | 4601 | if (!err) |
3e5d7649 JB |
4602 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, |
4603 | ssid, ssid_len, ie, ie_len, use_mfp, | |
7e7c8926 BG |
4604 | &crypto, flags, ht_capa, |
4605 | ht_capa_mask); | |
636a5d36 | 4606 | |
636a5d36 JM |
4607 | return err; |
4608 | } | |
4609 | ||
4610 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
4611 | { | |
4c476991 JB |
4612 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4613 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4614 | const u8 *ie = NULL, *bssid; |
4c476991 | 4615 | int ie_len = 0; |
19957bb3 | 4616 | u16 reason_code; |
d5cdfacb | 4617 | bool local_state_change; |
636a5d36 | 4618 | |
f4a11bb0 JB |
4619 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4620 | return -EINVAL; | |
4621 | ||
4622 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4623 | return -EINVAL; | |
4624 | ||
4625 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4626 | return -EINVAL; | |
4627 | ||
4c476991 JB |
4628 | if (!rdev->ops->deauth) |
4629 | return -EOPNOTSUPP; | |
636a5d36 | 4630 | |
074ac8df | 4631 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4632 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4633 | return -EOPNOTSUPP; | |
eec60b03 | 4634 | |
19957bb3 | 4635 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4636 | |
19957bb3 JB |
4637 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
4638 | if (reason_code == 0) { | |
f4a11bb0 | 4639 | /* Reason Code 0 is reserved */ |
4c476991 | 4640 | return -EINVAL; |
255e737e | 4641 | } |
636a5d36 JM |
4642 | |
4643 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4644 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4645 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4646 | } |
4647 | ||
d5cdfacb JM |
4648 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4649 | ||
4c476991 JB |
4650 | return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, |
4651 | local_state_change); | |
636a5d36 JM |
4652 | } |
4653 | ||
4654 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
4655 | { | |
4c476991 JB |
4656 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4657 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 4658 | const u8 *ie = NULL, *bssid; |
4c476991 | 4659 | int ie_len = 0; |
19957bb3 | 4660 | u16 reason_code; |
d5cdfacb | 4661 | bool local_state_change; |
636a5d36 | 4662 | |
f4a11bb0 JB |
4663 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4664 | return -EINVAL; | |
4665 | ||
4666 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4667 | return -EINVAL; | |
4668 | ||
4669 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
4670 | return -EINVAL; | |
4671 | ||
4c476991 JB |
4672 | if (!rdev->ops->disassoc) |
4673 | return -EOPNOTSUPP; | |
636a5d36 | 4674 | |
074ac8df | 4675 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
4676 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
4677 | return -EOPNOTSUPP; | |
eec60b03 | 4678 | |
19957bb3 | 4679 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 4680 | |
19957bb3 JB |
4681 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
4682 | if (reason_code == 0) { | |
f4a11bb0 | 4683 | /* Reason Code 0 is reserved */ |
4c476991 | 4684 | return -EINVAL; |
255e737e | 4685 | } |
636a5d36 JM |
4686 | |
4687 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
4688 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
4689 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
4690 | } |
4691 | ||
d5cdfacb JM |
4692 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
4693 | ||
4c476991 JB |
4694 | return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, |
4695 | local_state_change); | |
636a5d36 JM |
4696 | } |
4697 | ||
dd5b4cc7 FF |
4698 | static bool |
4699 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
4700 | int mcast_rate[IEEE80211_NUM_BANDS], | |
4701 | int rateval) | |
4702 | { | |
4703 | struct wiphy *wiphy = &rdev->wiphy; | |
4704 | bool found = false; | |
4705 | int band, i; | |
4706 | ||
4707 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
4708 | struct ieee80211_supported_band *sband; | |
4709 | ||
4710 | sband = wiphy->bands[band]; | |
4711 | if (!sband) | |
4712 | continue; | |
4713 | ||
4714 | for (i = 0; i < sband->n_bitrates; i++) { | |
4715 | if (sband->bitrates[i].bitrate == rateval) { | |
4716 | mcast_rate[band] = i + 1; | |
4717 | found = true; | |
4718 | break; | |
4719 | } | |
4720 | } | |
4721 | } | |
4722 | ||
4723 | return found; | |
4724 | } | |
4725 | ||
04a773ad JB |
4726 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
4727 | { | |
4c476991 JB |
4728 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4729 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
4730 | struct cfg80211_ibss_params ibss; |
4731 | struct wiphy *wiphy; | |
fffd0934 | 4732 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
4733 | int err; |
4734 | ||
8e30bc55 JB |
4735 | memset(&ibss, 0, sizeof(ibss)); |
4736 | ||
04a773ad JB |
4737 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4738 | return -EINVAL; | |
4739 | ||
4740 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
4741 | !info->attrs[NL80211_ATTR_SSID] || | |
4742 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
4743 | return -EINVAL; | |
4744 | ||
8e30bc55 JB |
4745 | ibss.beacon_interval = 100; |
4746 | ||
4747 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
4748 | ibss.beacon_interval = | |
4749 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
4750 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
4751 | return -EINVAL; | |
4752 | } | |
4753 | ||
4c476991 JB |
4754 | if (!rdev->ops->join_ibss) |
4755 | return -EOPNOTSUPP; | |
04a773ad | 4756 | |
4c476991 JB |
4757 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
4758 | return -EOPNOTSUPP; | |
04a773ad | 4759 | |
79c97e97 | 4760 | wiphy = &rdev->wiphy; |
04a773ad | 4761 | |
39193498 | 4762 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 4763 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
4764 | |
4765 | if (!is_valid_ether_addr(ibss.bssid)) | |
4766 | return -EINVAL; | |
4767 | } | |
04a773ad JB |
4768 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
4769 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
4770 | ||
4771 | if (info->attrs[NL80211_ATTR_IE]) { | |
4772 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
4773 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4774 | } | |
4775 | ||
54858ee5 AS |
4776 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
4777 | enum nl80211_channel_type channel_type; | |
4778 | ||
4779 | channel_type = nla_get_u32( | |
4780 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
4781 | if (channel_type != NL80211_CHAN_NO_HT && | |
4782 | channel_type != NL80211_CHAN_HT20 && | |
4783 | channel_type != NL80211_CHAN_HT40MINUS && | |
4784 | channel_type != NL80211_CHAN_HT40PLUS) | |
4785 | return -EINVAL; | |
4786 | ||
4787 | if (channel_type != NL80211_CHAN_NO_HT && | |
4788 | !(wiphy->features & NL80211_FEATURE_HT_IBSS)) | |
4789 | return -EINVAL; | |
4790 | ||
4791 | ibss.channel_type = channel_type; | |
4792 | } else { | |
4793 | ibss.channel_type = NL80211_CHAN_NO_HT; | |
4794 | } | |
4795 | ||
4796 | ibss.channel = rdev_freq_to_chan(rdev, | |
4797 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]), | |
4798 | ibss.channel_type); | |
04a773ad JB |
4799 | if (!ibss.channel || |
4800 | ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || | |
4c476991 JB |
4801 | ibss.channel->flags & IEEE80211_CHAN_DISABLED) |
4802 | return -EINVAL; | |
04a773ad | 4803 | |
54858ee5 AS |
4804 | /* Both channels should be able to initiate communication */ |
4805 | if ((ibss.channel_type == NL80211_CHAN_HT40PLUS || | |
4806 | ibss.channel_type == NL80211_CHAN_HT40MINUS) && | |
4807 | !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel, | |
4808 | ibss.channel_type)) | |
4809 | return -EINVAL; | |
4810 | ||
04a773ad | 4811 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
4812 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
4813 | ||
fbd2c8dc TP |
4814 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4815 | u8 *rates = | |
4816 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4817 | int n_rates = | |
4818 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4819 | struct ieee80211_supported_band *sband = | |
4820 | wiphy->bands[ibss.channel->band]; | |
fbd2c8dc | 4821 | |
34850ab2 JB |
4822 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
4823 | &ibss.basic_rates); | |
4824 | if (err) | |
4825 | return err; | |
fbd2c8dc | 4826 | } |
dd5b4cc7 FF |
4827 | |
4828 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && | |
4829 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
4830 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
4831 | return -EINVAL; | |
fbd2c8dc | 4832 | |
4c476991 JB |
4833 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
4834 | connkeys = nl80211_parse_connkeys(rdev, | |
4835 | info->attrs[NL80211_ATTR_KEYS]); | |
4836 | if (IS_ERR(connkeys)) | |
4837 | return PTR_ERR(connkeys); | |
4838 | } | |
04a773ad | 4839 | |
267335d6 AQ |
4840 | ibss.control_port = |
4841 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
4842 | ||
4c476991 | 4843 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
4844 | if (err) |
4845 | kfree(connkeys); | |
04a773ad JB |
4846 | return err; |
4847 | } | |
4848 | ||
4849 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
4850 | { | |
4c476991 JB |
4851 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4852 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 4853 | |
4c476991 JB |
4854 | if (!rdev->ops->leave_ibss) |
4855 | return -EOPNOTSUPP; | |
04a773ad | 4856 | |
4c476991 JB |
4857 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
4858 | return -EOPNOTSUPP; | |
04a773ad | 4859 | |
4c476991 | 4860 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
4861 | } |
4862 | ||
aff89a9b JB |
4863 | #ifdef CONFIG_NL80211_TESTMODE |
4864 | static struct genl_multicast_group nl80211_testmode_mcgrp = { | |
4865 | .name = "testmode", | |
4866 | }; | |
4867 | ||
4868 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) | |
4869 | { | |
4c476991 | 4870 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
aff89a9b JB |
4871 | int err; |
4872 | ||
4873 | if (!info->attrs[NL80211_ATTR_TESTDATA]) | |
4874 | return -EINVAL; | |
4875 | ||
aff89a9b JB |
4876 | err = -EOPNOTSUPP; |
4877 | if (rdev->ops->testmode_cmd) { | |
4878 | rdev->testmode_info = info; | |
4879 | err = rdev->ops->testmode_cmd(&rdev->wiphy, | |
4880 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), | |
4881 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
4882 | rdev->testmode_info = NULL; | |
4883 | } | |
4884 | ||
aff89a9b JB |
4885 | return err; |
4886 | } | |
4887 | ||
71063f0e WYG |
4888 | static int nl80211_testmode_dump(struct sk_buff *skb, |
4889 | struct netlink_callback *cb) | |
4890 | { | |
00918d33 | 4891 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
4892 | int err; |
4893 | long phy_idx; | |
4894 | void *data = NULL; | |
4895 | int data_len = 0; | |
4896 | ||
4897 | if (cb->args[0]) { | |
4898 | /* | |
4899 | * 0 is a valid index, but not valid for args[0], | |
4900 | * so we need to offset by 1. | |
4901 | */ | |
4902 | phy_idx = cb->args[0] - 1; | |
4903 | } else { | |
4904 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
4905 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
4906 | nl80211_policy); | |
4907 | if (err) | |
4908 | return err; | |
00918d33 JB |
4909 | if (nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) { |
4910 | phy_idx = nla_get_u32( | |
4911 | nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]); | |
4912 | } else { | |
4913 | struct net_device *netdev; | |
4914 | ||
4915 | err = get_rdev_dev_by_ifindex(sock_net(skb->sk), | |
4916 | nl80211_fam.attrbuf, | |
4917 | &rdev, &netdev); | |
4918 | if (err) | |
4919 | return err; | |
4920 | dev_put(netdev); | |
4921 | phy_idx = rdev->wiphy_idx; | |
4922 | cfg80211_unlock_rdev(rdev); | |
4923 | } | |
71063f0e WYG |
4924 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
4925 | cb->args[1] = | |
4926 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
4927 | } | |
4928 | ||
4929 | if (cb->args[1]) { | |
4930 | data = nla_data((void *)cb->args[1]); | |
4931 | data_len = nla_len((void *)cb->args[1]); | |
4932 | } | |
4933 | ||
4934 | mutex_lock(&cfg80211_mutex); | |
00918d33 JB |
4935 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
4936 | if (!rdev) { | |
71063f0e WYG |
4937 | mutex_unlock(&cfg80211_mutex); |
4938 | return -ENOENT; | |
4939 | } | |
00918d33 | 4940 | cfg80211_lock_rdev(rdev); |
71063f0e WYG |
4941 | mutex_unlock(&cfg80211_mutex); |
4942 | ||
00918d33 | 4943 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
4944 | err = -EOPNOTSUPP; |
4945 | goto out_err; | |
4946 | } | |
4947 | ||
4948 | while (1) { | |
4949 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid, | |
4950 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4951 | NL80211_CMD_TESTMODE); | |
4952 | struct nlattr *tmdata; | |
4953 | ||
00918d33 | 4954 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx) < 0) { |
71063f0e WYG |
4955 | genlmsg_cancel(skb, hdr); |
4956 | break; | |
4957 | } | |
4958 | ||
4959 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
4960 | if (!tmdata) { | |
4961 | genlmsg_cancel(skb, hdr); | |
4962 | break; | |
4963 | } | |
00918d33 JB |
4964 | err = rdev->ops->testmode_dump(&rdev->wiphy, skb, cb, |
4965 | data, data_len); | |
71063f0e WYG |
4966 | nla_nest_end(skb, tmdata); |
4967 | ||
4968 | if (err == -ENOBUFS || err == -ENOENT) { | |
4969 | genlmsg_cancel(skb, hdr); | |
4970 | break; | |
4971 | } else if (err) { | |
4972 | genlmsg_cancel(skb, hdr); | |
4973 | goto out_err; | |
4974 | } | |
4975 | ||
4976 | genlmsg_end(skb, hdr); | |
4977 | } | |
4978 | ||
4979 | err = skb->len; | |
4980 | /* see above */ | |
4981 | cb->args[0] = phy_idx + 1; | |
4982 | out_err: | |
00918d33 | 4983 | cfg80211_unlock_rdev(rdev); |
71063f0e WYG |
4984 | return err; |
4985 | } | |
4986 | ||
aff89a9b JB |
4987 | static struct sk_buff * |
4988 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
4989 | int approxlen, u32 pid, u32 seq, gfp_t gfp) | |
4990 | { | |
4991 | struct sk_buff *skb; | |
4992 | void *hdr; | |
4993 | struct nlattr *data; | |
4994 | ||
4995 | skb = nlmsg_new(approxlen + 100, gfp); | |
4996 | if (!skb) | |
4997 | return NULL; | |
4998 | ||
4999 | hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE); | |
5000 | if (!hdr) { | |
5001 | kfree_skb(skb); | |
5002 | return NULL; | |
5003 | } | |
5004 | ||
5005 | NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
5006 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
5007 | ||
5008 | ((void **)skb->cb)[0] = rdev; | |
5009 | ((void **)skb->cb)[1] = hdr; | |
5010 | ((void **)skb->cb)[2] = data; | |
5011 | ||
5012 | return skb; | |
5013 | ||
5014 | nla_put_failure: | |
5015 | kfree_skb(skb); | |
5016 | return NULL; | |
5017 | } | |
5018 | ||
5019 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
5020 | int approxlen) | |
5021 | { | |
5022 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
5023 | ||
5024 | if (WARN_ON(!rdev->testmode_info)) | |
5025 | return NULL; | |
5026 | ||
5027 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
5028 | rdev->testmode_info->snd_pid, | |
5029 | rdev->testmode_info->snd_seq, | |
5030 | GFP_KERNEL); | |
5031 | } | |
5032 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
5033 | ||
5034 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
5035 | { | |
5036 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
5037 | void *hdr = ((void **)skb->cb)[1]; | |
5038 | struct nlattr *data = ((void **)skb->cb)[2]; | |
5039 | ||
5040 | if (WARN_ON(!rdev->testmode_info)) { | |
5041 | kfree_skb(skb); | |
5042 | return -EINVAL; | |
5043 | } | |
5044 | ||
5045 | nla_nest_end(skb, data); | |
5046 | genlmsg_end(skb, hdr); | |
5047 | return genlmsg_reply(skb, rdev->testmode_info); | |
5048 | } | |
5049 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
5050 | ||
5051 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
5052 | int approxlen, gfp_t gfp) | |
5053 | { | |
5054 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
5055 | ||
5056 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
5057 | } | |
5058 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
5059 | ||
5060 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
5061 | { | |
5062 | void *hdr = ((void **)skb->cb)[1]; | |
5063 | struct nlattr *data = ((void **)skb->cb)[2]; | |
5064 | ||
5065 | nla_nest_end(skb, data); | |
5066 | genlmsg_end(skb, hdr); | |
5067 | genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp); | |
5068 | } | |
5069 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
5070 | #endif | |
5071 | ||
b23aa676 SO |
5072 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
5073 | { | |
4c476991 JB |
5074 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5075 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
5076 | struct cfg80211_connect_params connect; |
5077 | struct wiphy *wiphy; | |
fffd0934 | 5078 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
5079 | int err; |
5080 | ||
5081 | memset(&connect, 0, sizeof(connect)); | |
5082 | ||
5083 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5084 | return -EINVAL; | |
5085 | ||
5086 | if (!info->attrs[NL80211_ATTR_SSID] || | |
5087 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
5088 | return -EINVAL; | |
5089 | ||
5090 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
5091 | connect.auth_type = | |
5092 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
5093 | if (!nl80211_valid_auth_type(connect.auth_type)) | |
5094 | return -EINVAL; | |
5095 | } else | |
5096 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
5097 | ||
5098 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
5099 | ||
c0692b8f | 5100 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 5101 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
5102 | if (err) |
5103 | return err; | |
b23aa676 | 5104 | |
074ac8df | 5105 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5106 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5107 | return -EOPNOTSUPP; | |
b23aa676 | 5108 | |
79c97e97 | 5109 | wiphy = &rdev->wiphy; |
b23aa676 | 5110 | |
b23aa676 SO |
5111 | if (info->attrs[NL80211_ATTR_MAC]) |
5112 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5113 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
5114 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
5115 | ||
5116 | if (info->attrs[NL80211_ATTR_IE]) { | |
5117 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
5118 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5119 | } | |
5120 | ||
5121 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
5122 | connect.channel = | |
5123 | ieee80211_get_channel(wiphy, | |
5124 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
5125 | if (!connect.channel || | |
4c476991 JB |
5126 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
5127 | return -EINVAL; | |
b23aa676 SO |
5128 | } |
5129 | ||
fffd0934 JB |
5130 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
5131 | connkeys = nl80211_parse_connkeys(rdev, | |
5132 | info->attrs[NL80211_ATTR_KEYS]); | |
4c476991 JB |
5133 | if (IS_ERR(connkeys)) |
5134 | return PTR_ERR(connkeys); | |
fffd0934 JB |
5135 | } |
5136 | ||
7e7c8926 BG |
5137 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
5138 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
5139 | ||
5140 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
5141 | memcpy(&connect.ht_capa_mask, | |
5142 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
5143 | sizeof(connect.ht_capa_mask)); | |
5144 | ||
5145 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
5146 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
5147 | return -EINVAL; | |
5148 | memcpy(&connect.ht_capa, | |
5149 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
5150 | sizeof(connect.ht_capa)); | |
5151 | } | |
5152 | ||
fffd0934 | 5153 | err = cfg80211_connect(rdev, dev, &connect, connkeys); |
fffd0934 JB |
5154 | if (err) |
5155 | kfree(connkeys); | |
b23aa676 SO |
5156 | return err; |
5157 | } | |
5158 | ||
5159 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
5160 | { | |
4c476991 JB |
5161 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5162 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
5163 | u16 reason; |
5164 | ||
5165 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
5166 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
5167 | else | |
5168 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
5169 | ||
5170 | if (reason == 0) | |
5171 | return -EINVAL; | |
5172 | ||
074ac8df | 5173 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5174 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5175 | return -EOPNOTSUPP; | |
b23aa676 | 5176 | |
4c476991 | 5177 | return cfg80211_disconnect(rdev, dev, reason, true); |
b23aa676 SO |
5178 | } |
5179 | ||
463d0183 JB |
5180 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
5181 | { | |
4c476991 | 5182 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
5183 | struct net *net; |
5184 | int err; | |
5185 | u32 pid; | |
5186 | ||
5187 | if (!info->attrs[NL80211_ATTR_PID]) | |
5188 | return -EINVAL; | |
5189 | ||
5190 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
5191 | ||
463d0183 | 5192 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
5193 | if (IS_ERR(net)) |
5194 | return PTR_ERR(net); | |
463d0183 JB |
5195 | |
5196 | err = 0; | |
5197 | ||
5198 | /* check if anything to do */ | |
4c476991 JB |
5199 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
5200 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 5201 | |
463d0183 | 5202 | put_net(net); |
463d0183 JB |
5203 | return err; |
5204 | } | |
5205 | ||
67fbb16b SO |
5206 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
5207 | { | |
4c476991 | 5208 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
5209 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
5210 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 5211 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
5212 | struct cfg80211_pmksa pmksa; |
5213 | ||
5214 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
5215 | ||
5216 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5217 | return -EINVAL; | |
5218 | ||
5219 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
5220 | return -EINVAL; | |
5221 | ||
67fbb16b SO |
5222 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
5223 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5224 | ||
074ac8df | 5225 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5226 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5227 | return -EOPNOTSUPP; | |
67fbb16b SO |
5228 | |
5229 | switch (info->genlhdr->cmd) { | |
5230 | case NL80211_CMD_SET_PMKSA: | |
5231 | rdev_ops = rdev->ops->set_pmksa; | |
5232 | break; | |
5233 | case NL80211_CMD_DEL_PMKSA: | |
5234 | rdev_ops = rdev->ops->del_pmksa; | |
5235 | break; | |
5236 | default: | |
5237 | WARN_ON(1); | |
5238 | break; | |
5239 | } | |
5240 | ||
4c476991 JB |
5241 | if (!rdev_ops) |
5242 | return -EOPNOTSUPP; | |
67fbb16b | 5243 | |
4c476991 | 5244 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
5245 | } |
5246 | ||
5247 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
5248 | { | |
4c476991 JB |
5249 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5250 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 5251 | |
074ac8df | 5252 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5253 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5254 | return -EOPNOTSUPP; | |
67fbb16b | 5255 | |
4c476991 JB |
5256 | if (!rdev->ops->flush_pmksa) |
5257 | return -EOPNOTSUPP; | |
67fbb16b | 5258 | |
4c476991 | 5259 | return rdev->ops->flush_pmksa(&rdev->wiphy, dev); |
67fbb16b SO |
5260 | } |
5261 | ||
109086ce AN |
5262 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
5263 | { | |
5264 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5265 | struct net_device *dev = info->user_ptr[1]; | |
5266 | u8 action_code, dialog_token; | |
5267 | u16 status_code; | |
5268 | u8 *peer; | |
5269 | ||
5270 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
5271 | !rdev->ops->tdls_mgmt) | |
5272 | return -EOPNOTSUPP; | |
5273 | ||
5274 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
5275 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
5276 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
5277 | !info->attrs[NL80211_ATTR_IE] || | |
5278 | !info->attrs[NL80211_ATTR_MAC]) | |
5279 | return -EINVAL; | |
5280 | ||
5281 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5282 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
5283 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
5284 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
5285 | ||
5286 | return rdev->ops->tdls_mgmt(&rdev->wiphy, dev, peer, action_code, | |
5287 | dialog_token, status_code, | |
5288 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5289 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
5290 | } | |
5291 | ||
5292 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
5293 | { | |
5294 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5295 | struct net_device *dev = info->user_ptr[1]; | |
5296 | enum nl80211_tdls_operation operation; | |
5297 | u8 *peer; | |
5298 | ||
5299 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
5300 | !rdev->ops->tdls_oper) | |
5301 | return -EOPNOTSUPP; | |
5302 | ||
5303 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
5304 | !info->attrs[NL80211_ATTR_MAC]) | |
5305 | return -EINVAL; | |
5306 | ||
5307 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
5308 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5309 | ||
5310 | return rdev->ops->tdls_oper(&rdev->wiphy, dev, peer, operation); | |
5311 | } | |
5312 | ||
9588bbd5 JM |
5313 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
5314 | struct genl_info *info) | |
5315 | { | |
4c476991 JB |
5316 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5317 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 JM |
5318 | struct ieee80211_channel *chan; |
5319 | struct sk_buff *msg; | |
5320 | void *hdr; | |
5321 | u64 cookie; | |
5322 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
5323 | u32 freq, duration; | |
5324 | int err; | |
5325 | ||
5326 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5327 | !info->attrs[NL80211_ATTR_DURATION]) | |
5328 | return -EINVAL; | |
5329 | ||
5330 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
5331 | ||
5332 | /* | |
5333 | * We should be on that channel for at least one jiffie, | |
5334 | * and more than 5 seconds seems excessive. | |
5335 | */ | |
a293911d JB |
5336 | if (!duration || !msecs_to_jiffies(duration) || |
5337 | duration > rdev->wiphy.max_remain_on_channel_duration) | |
9588bbd5 JM |
5338 | return -EINVAL; |
5339 | ||
7c4ef712 JB |
5340 | if (!rdev->ops->remain_on_channel || |
5341 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
4c476991 | 5342 | return -EOPNOTSUPP; |
9588bbd5 | 5343 | |
9588bbd5 JM |
5344 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
5345 | channel_type = nla_get_u32( | |
5346 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
5347 | if (channel_type != NL80211_CHAN_NO_HT && | |
5348 | channel_type != NL80211_CHAN_HT20 && | |
5349 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
5350 | channel_type != NL80211_CHAN_HT40MINUS) |
5351 | return -EINVAL; | |
9588bbd5 JM |
5352 | } |
5353 | ||
5354 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
5355 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
5356 | if (chan == NULL) |
5357 | return -EINVAL; | |
9588bbd5 JM |
5358 | |
5359 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
5360 | if (!msg) |
5361 | return -ENOMEM; | |
9588bbd5 JM |
5362 | |
5363 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5364 | NL80211_CMD_REMAIN_ON_CHANNEL); | |
5365 | ||
5366 | if (IS_ERR(hdr)) { | |
5367 | err = PTR_ERR(hdr); | |
5368 | goto free_msg; | |
5369 | } | |
5370 | ||
5371 | err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan, | |
5372 | channel_type, duration, &cookie); | |
5373 | ||
5374 | if (err) | |
5375 | goto free_msg; | |
5376 | ||
5377 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
5378 | ||
5379 | genlmsg_end(msg, hdr); | |
4c476991 JB |
5380 | |
5381 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
5382 | |
5383 | nla_put_failure: | |
5384 | err = -ENOBUFS; | |
5385 | free_msg: | |
5386 | nlmsg_free(msg); | |
9588bbd5 JM |
5387 | return err; |
5388 | } | |
5389 | ||
5390 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
5391 | struct genl_info *info) | |
5392 | { | |
4c476991 JB |
5393 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5394 | struct net_device *dev = info->user_ptr[1]; | |
9588bbd5 | 5395 | u64 cookie; |
9588bbd5 JM |
5396 | |
5397 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
5398 | return -EINVAL; | |
5399 | ||
4c476991 JB |
5400 | if (!rdev->ops->cancel_remain_on_channel) |
5401 | return -EOPNOTSUPP; | |
9588bbd5 | 5402 | |
9588bbd5 JM |
5403 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
5404 | ||
4c476991 | 5405 | return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); |
9588bbd5 JM |
5406 | } |
5407 | ||
13ae75b1 JM |
5408 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
5409 | u8 *rates, u8 rates_len) | |
5410 | { | |
5411 | u8 i; | |
5412 | u32 mask = 0; | |
5413 | ||
5414 | for (i = 0; i < rates_len; i++) { | |
5415 | int rate = (rates[i] & 0x7f) * 5; | |
5416 | int ridx; | |
5417 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
5418 | struct ieee80211_rate *srate = | |
5419 | &sband->bitrates[ridx]; | |
5420 | if (rate == srate->bitrate) { | |
5421 | mask |= 1 << ridx; | |
5422 | break; | |
5423 | } | |
5424 | } | |
5425 | if (ridx == sband->n_bitrates) | |
5426 | return 0; /* rate not found */ | |
5427 | } | |
5428 | ||
5429 | return mask; | |
5430 | } | |
5431 | ||
24db78c0 SW |
5432 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
5433 | u8 *rates, u8 rates_len, | |
5434 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
5435 | { | |
5436 | u8 i; | |
5437 | ||
5438 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
5439 | ||
5440 | for (i = 0; i < rates_len; i++) { | |
5441 | int ridx, rbit; | |
5442 | ||
5443 | ridx = rates[i] / 8; | |
5444 | rbit = BIT(rates[i] % 8); | |
5445 | ||
5446 | /* check validity */ | |
910570b5 | 5447 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
5448 | return false; |
5449 | ||
5450 | /* check availability */ | |
5451 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
5452 | mcs[ridx] |= rbit; | |
5453 | else | |
5454 | return false; | |
5455 | } | |
5456 | ||
5457 | return true; | |
5458 | } | |
5459 | ||
b54452b0 | 5460 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
5461 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
5462 | .len = NL80211_MAX_SUPP_RATES }, | |
24db78c0 SW |
5463 | [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, |
5464 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
13ae75b1 JM |
5465 | }; |
5466 | ||
5467 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
5468 | struct genl_info *info) | |
5469 | { | |
5470 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 5471 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 5472 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
5473 | int rem, i; |
5474 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
5475 | struct nlattr *tx_rates; |
5476 | struct ieee80211_supported_band *sband; | |
5477 | ||
5478 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
5479 | return -EINVAL; | |
5480 | ||
4c476991 JB |
5481 | if (!rdev->ops->set_bitrate_mask) |
5482 | return -EOPNOTSUPP; | |
13ae75b1 JM |
5483 | |
5484 | memset(&mask, 0, sizeof(mask)); | |
5485 | /* Default to all rates enabled */ | |
5486 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
5487 | sband = rdev->wiphy.bands[i]; | |
5488 | mask.control[i].legacy = | |
5489 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
24db78c0 SW |
5490 | if (sband) |
5491 | memcpy(mask.control[i].mcs, | |
5492 | sband->ht_cap.mcs.rx_mask, | |
5493 | sizeof(mask.control[i].mcs)); | |
5494 | else | |
5495 | memset(mask.control[i].mcs, 0, | |
5496 | sizeof(mask.control[i].mcs)); | |
13ae75b1 JM |
5497 | } |
5498 | ||
5499 | /* | |
5500 | * The nested attribute uses enum nl80211_band as the index. This maps | |
5501 | * directly to the enum ieee80211_band values used in cfg80211. | |
5502 | */ | |
24db78c0 | 5503 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
13ae75b1 JM |
5504 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
5505 | { | |
5506 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
5507 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
5508 | return -EINVAL; | |
13ae75b1 | 5509 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
5510 | if (sband == NULL) |
5511 | return -EINVAL; | |
13ae75b1 JM |
5512 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
5513 | nla_len(tx_rates), nl80211_txattr_policy); | |
5514 | if (tb[NL80211_TXRATE_LEGACY]) { | |
5515 | mask.control[band].legacy = rateset_to_mask( | |
5516 | sband, | |
5517 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
5518 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
24db78c0 SW |
5519 | } |
5520 | if (tb[NL80211_TXRATE_MCS]) { | |
5521 | if (!ht_rateset_to_mask( | |
5522 | sband, | |
5523 | nla_data(tb[NL80211_TXRATE_MCS]), | |
5524 | nla_len(tb[NL80211_TXRATE_MCS]), | |
5525 | mask.control[band].mcs)) | |
5526 | return -EINVAL; | |
5527 | } | |
5528 | ||
5529 | if (mask.control[band].legacy == 0) { | |
5530 | /* don't allow empty legacy rates if HT | |
5531 | * is not even supported. */ | |
5532 | if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) | |
5533 | return -EINVAL; | |
5534 | ||
5535 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
5536 | if (mask.control[band].mcs[i]) | |
5537 | break; | |
5538 | ||
5539 | /* legacy and mcs rates may not be both empty */ | |
5540 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
4c476991 | 5541 | return -EINVAL; |
13ae75b1 JM |
5542 | } |
5543 | } | |
5544 | ||
4c476991 | 5545 | return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask); |
13ae75b1 JM |
5546 | } |
5547 | ||
2e161f78 | 5548 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 5549 | { |
4c476991 JB |
5550 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5551 | struct net_device *dev = info->user_ptr[1]; | |
2e161f78 | 5552 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
5553 | |
5554 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
5555 | return -EINVAL; | |
5556 | ||
2e161f78 JB |
5557 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
5558 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 5559 | |
9d38d85d | 5560 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 5561 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
5562 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
5563 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5564 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 5565 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5566 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5567 | return -EOPNOTSUPP; | |
026331c4 JM |
5568 | |
5569 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
5570 | if (!rdev->ops->mgmt_tx) |
5571 | return -EOPNOTSUPP; | |
026331c4 | 5572 | |
4c476991 | 5573 | return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid, |
2e161f78 | 5574 | frame_type, |
026331c4 JM |
5575 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
5576 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
5577 | } |
5578 | ||
2e161f78 | 5579 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 5580 | { |
4c476991 JB |
5581 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5582 | struct net_device *dev = info->user_ptr[1]; | |
026331c4 JM |
5583 | struct ieee80211_channel *chan; |
5584 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; | |
252aa631 | 5585 | bool channel_type_valid = false; |
026331c4 JM |
5586 | u32 freq; |
5587 | int err; | |
d64d373f | 5588 | void *hdr = NULL; |
026331c4 | 5589 | u64 cookie; |
e247bd90 | 5590 | struct sk_buff *msg = NULL; |
f7ca38df | 5591 | unsigned int wait = 0; |
e247bd90 JB |
5592 | bool offchan, no_cck, dont_wait_for_ack; |
5593 | ||
5594 | dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; | |
026331c4 JM |
5595 | |
5596 | if (!info->attrs[NL80211_ATTR_FRAME] || | |
5597 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
5598 | return -EINVAL; | |
5599 | ||
4c476991 JB |
5600 | if (!rdev->ops->mgmt_tx) |
5601 | return -EOPNOTSUPP; | |
026331c4 | 5602 | |
9d38d85d | 5603 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
074ac8df | 5604 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
663fcafd JB |
5605 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
5606 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5607 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
c7108a71 | 5608 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5609 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5610 | return -EOPNOTSUPP; | |
026331c4 | 5611 | |
f7ca38df | 5612 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 5613 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df JB |
5614 | return -EINVAL; |
5615 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
5616 | } | |
5617 | ||
026331c4 JM |
5618 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
5619 | channel_type = nla_get_u32( | |
5620 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
5621 | if (channel_type != NL80211_CHAN_NO_HT && | |
5622 | channel_type != NL80211_CHAN_HT20 && | |
5623 | channel_type != NL80211_CHAN_HT40PLUS && | |
4c476991 JB |
5624 | channel_type != NL80211_CHAN_HT40MINUS) |
5625 | return -EINVAL; | |
252aa631 | 5626 | channel_type_valid = true; |
026331c4 JM |
5627 | } |
5628 | ||
f7ca38df JB |
5629 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
5630 | ||
7c4ef712 JB |
5631 | if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
5632 | return -EINVAL; | |
5633 | ||
e9f935e3 RM |
5634 | no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
5635 | ||
026331c4 JM |
5636 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); |
5637 | chan = rdev_freq_to_chan(rdev, freq, channel_type); | |
4c476991 JB |
5638 | if (chan == NULL) |
5639 | return -EINVAL; | |
026331c4 | 5640 | |
e247bd90 JB |
5641 | if (!dont_wait_for_ack) { |
5642 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5643 | if (!msg) | |
5644 | return -ENOMEM; | |
026331c4 | 5645 | |
e247bd90 JB |
5646 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
5647 | NL80211_CMD_FRAME); | |
026331c4 | 5648 | |
e247bd90 JB |
5649 | if (IS_ERR(hdr)) { |
5650 | err = PTR_ERR(hdr); | |
5651 | goto free_msg; | |
5652 | } | |
026331c4 | 5653 | } |
e247bd90 | 5654 | |
f7ca38df JB |
5655 | err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type, |
5656 | channel_type_valid, wait, | |
2e161f78 JB |
5657 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
5658 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
e247bd90 | 5659 | no_cck, dont_wait_for_ack, &cookie); |
026331c4 JM |
5660 | if (err) |
5661 | goto free_msg; | |
5662 | ||
e247bd90 JB |
5663 | if (msg) { |
5664 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
026331c4 | 5665 | |
e247bd90 JB |
5666 | genlmsg_end(msg, hdr); |
5667 | return genlmsg_reply(msg, info); | |
5668 | } | |
5669 | ||
5670 | return 0; | |
026331c4 JM |
5671 | |
5672 | nla_put_failure: | |
5673 | err = -ENOBUFS; | |
5674 | free_msg: | |
5675 | nlmsg_free(msg); | |
026331c4 JM |
5676 | return err; |
5677 | } | |
5678 | ||
f7ca38df JB |
5679 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
5680 | { | |
5681 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5682 | struct net_device *dev = info->user_ptr[1]; | |
5683 | u64 cookie; | |
5684 | ||
5685 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
5686 | return -EINVAL; | |
5687 | ||
5688 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
5689 | return -EOPNOTSUPP; | |
5690 | ||
5691 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && | |
5692 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
5693 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && | |
5694 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5695 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && | |
5696 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5697 | return -EOPNOTSUPP; | |
5698 | ||
5699 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
5700 | ||
5701 | return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie); | |
5702 | } | |
5703 | ||
ffb9eb3d KV |
5704 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
5705 | { | |
4c476991 | 5706 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 5707 | struct wireless_dev *wdev; |
4c476991 | 5708 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
5709 | u8 ps_state; |
5710 | bool state; | |
5711 | int err; | |
5712 | ||
4c476991 JB |
5713 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
5714 | return -EINVAL; | |
ffb9eb3d KV |
5715 | |
5716 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
5717 | ||
4c476991 JB |
5718 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
5719 | return -EINVAL; | |
ffb9eb3d KV |
5720 | |
5721 | wdev = dev->ieee80211_ptr; | |
5722 | ||
4c476991 JB |
5723 | if (!rdev->ops->set_power_mgmt) |
5724 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
5725 | |
5726 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
5727 | ||
5728 | if (state == wdev->ps) | |
4c476991 | 5729 | return 0; |
ffb9eb3d | 5730 | |
4c476991 JB |
5731 | err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state, |
5732 | wdev->ps_timeout); | |
5733 | if (!err) | |
5734 | wdev->ps = state; | |
ffb9eb3d KV |
5735 | return err; |
5736 | } | |
5737 | ||
5738 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
5739 | { | |
4c476991 | 5740 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
5741 | enum nl80211_ps_state ps_state; |
5742 | struct wireless_dev *wdev; | |
4c476991 | 5743 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
5744 | struct sk_buff *msg; |
5745 | void *hdr; | |
5746 | int err; | |
5747 | ||
ffb9eb3d KV |
5748 | wdev = dev->ieee80211_ptr; |
5749 | ||
4c476991 JB |
5750 | if (!rdev->ops->set_power_mgmt) |
5751 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
5752 | |
5753 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
5754 | if (!msg) |
5755 | return -ENOMEM; | |
ffb9eb3d KV |
5756 | |
5757 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5758 | NL80211_CMD_GET_POWER_SAVE); | |
5759 | if (!hdr) { | |
4c476991 | 5760 | err = -ENOBUFS; |
ffb9eb3d KV |
5761 | goto free_msg; |
5762 | } | |
5763 | ||
5764 | if (wdev->ps) | |
5765 | ps_state = NL80211_PS_ENABLED; | |
5766 | else | |
5767 | ps_state = NL80211_PS_DISABLED; | |
5768 | ||
5769 | NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state); | |
5770 | ||
5771 | genlmsg_end(msg, hdr); | |
4c476991 | 5772 | return genlmsg_reply(msg, info); |
ffb9eb3d | 5773 | |
4c476991 | 5774 | nla_put_failure: |
ffb9eb3d | 5775 | err = -ENOBUFS; |
4c476991 | 5776 | free_msg: |
ffb9eb3d | 5777 | nlmsg_free(msg); |
ffb9eb3d KV |
5778 | return err; |
5779 | } | |
5780 | ||
d6dc1a38 JO |
5781 | static struct nla_policy |
5782 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
5783 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
5784 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
5785 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
5786 | }; | |
5787 | ||
5788 | static int nl80211_set_cqm_rssi(struct genl_info *info, | |
5789 | s32 threshold, u32 hysteresis) | |
5790 | { | |
4c476991 | 5791 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
d6dc1a38 | 5792 | struct wireless_dev *wdev; |
4c476991 | 5793 | struct net_device *dev = info->user_ptr[1]; |
d6dc1a38 JO |
5794 | |
5795 | if (threshold > 0) | |
5796 | return -EINVAL; | |
5797 | ||
d6dc1a38 JO |
5798 | wdev = dev->ieee80211_ptr; |
5799 | ||
4c476991 JB |
5800 | if (!rdev->ops->set_cqm_rssi_config) |
5801 | return -EOPNOTSUPP; | |
d6dc1a38 | 5802 | |
074ac8df | 5803 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5804 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5805 | return -EOPNOTSUPP; | |
d6dc1a38 | 5806 | |
4c476991 JB |
5807 | return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev, |
5808 | threshold, hysteresis); | |
d6dc1a38 JO |
5809 | } |
5810 | ||
5811 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
5812 | { | |
5813 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
5814 | struct nlattr *cqm; | |
5815 | int err; | |
5816 | ||
5817 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
5818 | if (!cqm) { | |
5819 | err = -EINVAL; | |
5820 | goto out; | |
5821 | } | |
5822 | ||
5823 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
5824 | nl80211_attr_cqm_policy); | |
5825 | if (err) | |
5826 | goto out; | |
5827 | ||
5828 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
5829 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
5830 | s32 threshold; | |
5831 | u32 hysteresis; | |
5832 | threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
5833 | hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
5834 | err = nl80211_set_cqm_rssi(info, threshold, hysteresis); | |
5835 | } else | |
5836 | err = -EINVAL; | |
5837 | ||
5838 | out: | |
5839 | return err; | |
5840 | } | |
5841 | ||
29cbe68c JB |
5842 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
5843 | { | |
5844 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5845 | struct net_device *dev = info->user_ptr[1]; | |
5846 | struct mesh_config cfg; | |
c80d545d | 5847 | struct mesh_setup setup; |
29cbe68c JB |
5848 | int err; |
5849 | ||
5850 | /* start with default */ | |
5851 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 5852 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 5853 | |
24bdd9f4 | 5854 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 5855 | /* and parse parameters if given */ |
24bdd9f4 | 5856 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
5857 | if (err) |
5858 | return err; | |
5859 | } | |
5860 | ||
5861 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
5862 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
5863 | return -EINVAL; | |
5864 | ||
c80d545d JC |
5865 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
5866 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
5867 | ||
4bb62344 CYY |
5868 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
5869 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
5870 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
5871 | return -EINVAL; | |
5872 | ||
c80d545d JC |
5873 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
5874 | /* parse additional setup parameters if given */ | |
5875 | err = nl80211_parse_mesh_setup(info, &setup); | |
5876 | if (err) | |
5877 | return err; | |
5878 | } | |
5879 | ||
5880 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); | |
29cbe68c JB |
5881 | } |
5882 | ||
5883 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
5884 | { | |
5885 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5886 | struct net_device *dev = info->user_ptr[1]; | |
5887 | ||
5888 | return cfg80211_leave_mesh(rdev, dev); | |
5889 | } | |
5890 | ||
ff1b6e69 JB |
5891 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
5892 | { | |
5893 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5894 | struct sk_buff *msg; | |
5895 | void *hdr; | |
5896 | ||
5897 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
5898 | return -EOPNOTSUPP; | |
5899 | ||
5900 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5901 | if (!msg) | |
5902 | return -ENOMEM; | |
5903 | ||
5904 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
5905 | NL80211_CMD_GET_WOWLAN); | |
5906 | if (!hdr) | |
5907 | goto nla_put_failure; | |
5908 | ||
5909 | if (rdev->wowlan) { | |
5910 | struct nlattr *nl_wowlan; | |
5911 | ||
5912 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
5913 | if (!nl_wowlan) | |
5914 | goto nla_put_failure; | |
5915 | ||
5916 | if (rdev->wowlan->any) | |
5917 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
5918 | if (rdev->wowlan->disconnect) | |
5919 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
5920 | if (rdev->wowlan->magic_pkt) | |
5921 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
77dbbb13 JB |
5922 | if (rdev->wowlan->gtk_rekey_failure) |
5923 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
5924 | if (rdev->wowlan->eap_identity_req) | |
5925 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
5926 | if (rdev->wowlan->four_way_handshake) | |
5927 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
5928 | if (rdev->wowlan->rfkill_release) | |
5929 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
ff1b6e69 JB |
5930 | if (rdev->wowlan->n_patterns) { |
5931 | struct nlattr *nl_pats, *nl_pat; | |
5932 | int i, pat_len; | |
5933 | ||
5934 | nl_pats = nla_nest_start(msg, | |
5935 | NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
5936 | if (!nl_pats) | |
5937 | goto nla_put_failure; | |
5938 | ||
5939 | for (i = 0; i < rdev->wowlan->n_patterns; i++) { | |
5940 | nl_pat = nla_nest_start(msg, i + 1); | |
5941 | if (!nl_pat) | |
5942 | goto nla_put_failure; | |
5943 | pat_len = rdev->wowlan->patterns[i].pattern_len; | |
5944 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK, | |
5945 | DIV_ROUND_UP(pat_len, 8), | |
5946 | rdev->wowlan->patterns[i].mask); | |
5947 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN, | |
5948 | pat_len, | |
5949 | rdev->wowlan->patterns[i].pattern); | |
5950 | nla_nest_end(msg, nl_pat); | |
5951 | } | |
5952 | nla_nest_end(msg, nl_pats); | |
5953 | } | |
5954 | ||
5955 | nla_nest_end(msg, nl_wowlan); | |
5956 | } | |
5957 | ||
5958 | genlmsg_end(msg, hdr); | |
5959 | return genlmsg_reply(msg, info); | |
5960 | ||
5961 | nla_put_failure: | |
5962 | nlmsg_free(msg); | |
5963 | return -ENOBUFS; | |
5964 | } | |
5965 | ||
5966 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) | |
5967 | { | |
5968 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5969 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
5970 | struct cfg80211_wowlan no_triggers = {}; | |
5971 | struct cfg80211_wowlan new_triggers = {}; | |
5972 | struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; | |
5973 | int err, i; | |
5974 | ||
5975 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
5976 | return -EOPNOTSUPP; | |
5977 | ||
5978 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) | |
5979 | goto no_triggers; | |
5980 | ||
5981 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
5982 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
5983 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
5984 | nl80211_wowlan_policy); | |
5985 | if (err) | |
5986 | return err; | |
5987 | ||
5988 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
5989 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
5990 | return -EINVAL; | |
5991 | new_triggers.any = true; | |
5992 | } | |
5993 | ||
5994 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
5995 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
5996 | return -EINVAL; | |
5997 | new_triggers.disconnect = true; | |
5998 | } | |
5999 | ||
6000 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
6001 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
6002 | return -EINVAL; | |
6003 | new_triggers.magic_pkt = true; | |
6004 | } | |
6005 | ||
77dbbb13 JB |
6006 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
6007 | return -EINVAL; | |
6008 | ||
6009 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
6010 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
6011 | return -EINVAL; | |
6012 | new_triggers.gtk_rekey_failure = true; | |
6013 | } | |
6014 | ||
6015 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
6016 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
6017 | return -EINVAL; | |
6018 | new_triggers.eap_identity_req = true; | |
6019 | } | |
6020 | ||
6021 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
6022 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
6023 | return -EINVAL; | |
6024 | new_triggers.four_way_handshake = true; | |
6025 | } | |
6026 | ||
6027 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
6028 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
6029 | return -EINVAL; | |
6030 | new_triggers.rfkill_release = true; | |
6031 | } | |
6032 | ||
ff1b6e69 JB |
6033 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
6034 | struct nlattr *pat; | |
6035 | int n_patterns = 0; | |
6036 | int rem, pat_len, mask_len; | |
6037 | struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; | |
6038 | ||
6039 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
6040 | rem) | |
6041 | n_patterns++; | |
6042 | if (n_patterns > wowlan->n_patterns) | |
6043 | return -EINVAL; | |
6044 | ||
6045 | new_triggers.patterns = kcalloc(n_patterns, | |
6046 | sizeof(new_triggers.patterns[0]), | |
6047 | GFP_KERNEL); | |
6048 | if (!new_triggers.patterns) | |
6049 | return -ENOMEM; | |
6050 | ||
6051 | new_triggers.n_patterns = n_patterns; | |
6052 | i = 0; | |
6053 | ||
6054 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
6055 | rem) { | |
6056 | nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT, | |
6057 | nla_data(pat), nla_len(pat), NULL); | |
6058 | err = -EINVAL; | |
6059 | if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] || | |
6060 | !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]) | |
6061 | goto error; | |
6062 | pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]); | |
6063 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
6064 | if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) != | |
6065 | mask_len) | |
6066 | goto error; | |
6067 | if (pat_len > wowlan->pattern_max_len || | |
6068 | pat_len < wowlan->pattern_min_len) | |
6069 | goto error; | |
6070 | ||
6071 | new_triggers.patterns[i].mask = | |
6072 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
6073 | if (!new_triggers.patterns[i].mask) { | |
6074 | err = -ENOMEM; | |
6075 | goto error; | |
6076 | } | |
6077 | new_triggers.patterns[i].pattern = | |
6078 | new_triggers.patterns[i].mask + mask_len; | |
6079 | memcpy(new_triggers.patterns[i].mask, | |
6080 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]), | |
6081 | mask_len); | |
6082 | new_triggers.patterns[i].pattern_len = pat_len; | |
6083 | memcpy(new_triggers.patterns[i].pattern, | |
6084 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]), | |
6085 | pat_len); | |
6086 | i++; | |
6087 | } | |
6088 | } | |
6089 | ||
6090 | if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) { | |
6091 | struct cfg80211_wowlan *ntrig; | |
6092 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), | |
6093 | GFP_KERNEL); | |
6094 | if (!ntrig) { | |
6095 | err = -ENOMEM; | |
6096 | goto error; | |
6097 | } | |
6098 | cfg80211_rdev_free_wowlan(rdev); | |
6099 | rdev->wowlan = ntrig; | |
6100 | } else { | |
6101 | no_triggers: | |
6102 | cfg80211_rdev_free_wowlan(rdev); | |
6103 | rdev->wowlan = NULL; | |
6104 | } | |
6105 | ||
6106 | return 0; | |
6107 | error: | |
6108 | for (i = 0; i < new_triggers.n_patterns; i++) | |
6109 | kfree(new_triggers.patterns[i].mask); | |
6110 | kfree(new_triggers.patterns); | |
6111 | return err; | |
6112 | } | |
6113 | ||
e5497d76 JB |
6114 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
6115 | { | |
6116 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6117 | struct net_device *dev = info->user_ptr[1]; | |
6118 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6119 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
6120 | struct cfg80211_gtk_rekey_data rekey_data; | |
6121 | int err; | |
6122 | ||
6123 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
6124 | return -EINVAL; | |
6125 | ||
6126 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
6127 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
6128 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
6129 | nl80211_rekey_policy); | |
6130 | if (err) | |
6131 | return err; | |
6132 | ||
6133 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
6134 | return -ERANGE; | |
6135 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
6136 | return -ERANGE; | |
6137 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
6138 | return -ERANGE; | |
6139 | ||
6140 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
6141 | NL80211_KEK_LEN); | |
6142 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
6143 | NL80211_KCK_LEN); | |
6144 | memcpy(rekey_data.replay_ctr, | |
6145 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
6146 | NL80211_REPLAY_CTR_LEN); | |
6147 | ||
6148 | wdev_lock(wdev); | |
6149 | if (!wdev->current_bss) { | |
6150 | err = -ENOTCONN; | |
6151 | goto out; | |
6152 | } | |
6153 | ||
6154 | if (!rdev->ops->set_rekey_data) { | |
6155 | err = -EOPNOTSUPP; | |
6156 | goto out; | |
6157 | } | |
6158 | ||
6159 | err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data); | |
6160 | out: | |
6161 | wdev_unlock(wdev); | |
6162 | return err; | |
6163 | } | |
6164 | ||
28946da7 JB |
6165 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
6166 | struct genl_info *info) | |
6167 | { | |
6168 | struct net_device *dev = info->user_ptr[1]; | |
6169 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6170 | ||
6171 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
6172 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
6173 | return -EINVAL; | |
6174 | ||
6175 | if (wdev->ap_unexpected_nlpid) | |
6176 | return -EBUSY; | |
6177 | ||
6178 | wdev->ap_unexpected_nlpid = info->snd_pid; | |
6179 | return 0; | |
6180 | } | |
6181 | ||
7f6cf311 JB |
6182 | static int nl80211_probe_client(struct sk_buff *skb, |
6183 | struct genl_info *info) | |
6184 | { | |
6185 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6186 | struct net_device *dev = info->user_ptr[1]; | |
6187 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6188 | struct sk_buff *msg; | |
6189 | void *hdr; | |
6190 | const u8 *addr; | |
6191 | u64 cookie; | |
6192 | int err; | |
6193 | ||
6194 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
6195 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
6196 | return -EOPNOTSUPP; | |
6197 | ||
6198 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6199 | return -EINVAL; | |
6200 | ||
6201 | if (!rdev->ops->probe_client) | |
6202 | return -EOPNOTSUPP; | |
6203 | ||
6204 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6205 | if (!msg) | |
6206 | return -ENOMEM; | |
6207 | ||
6208 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
6209 | NL80211_CMD_PROBE_CLIENT); | |
6210 | ||
6211 | if (IS_ERR(hdr)) { | |
6212 | err = PTR_ERR(hdr); | |
6213 | goto free_msg; | |
6214 | } | |
6215 | ||
6216 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6217 | ||
6218 | err = rdev->ops->probe_client(&rdev->wiphy, dev, addr, &cookie); | |
6219 | if (err) | |
6220 | goto free_msg; | |
6221 | ||
6222 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
6223 | ||
6224 | genlmsg_end(msg, hdr); | |
6225 | ||
6226 | return genlmsg_reply(msg, info); | |
6227 | ||
6228 | nla_put_failure: | |
6229 | err = -ENOBUFS; | |
6230 | free_msg: | |
6231 | nlmsg_free(msg); | |
6232 | return err; | |
6233 | } | |
6234 | ||
5e760230 JB |
6235 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
6236 | { | |
6237 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6238 | ||
6239 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
6240 | return -EOPNOTSUPP; | |
6241 | ||
6242 | if (rdev->ap_beacons_nlpid) | |
6243 | return -EBUSY; | |
6244 | ||
6245 | rdev->ap_beacons_nlpid = info->snd_pid; | |
6246 | ||
6247 | return 0; | |
6248 | } | |
6249 | ||
4c476991 JB |
6250 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
6251 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
6252 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
6253 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
6254 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
6255 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 JB |
6256 | |
6257 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, | |
6258 | struct genl_info *info) | |
6259 | { | |
6260 | struct cfg80211_registered_device *rdev; | |
6261 | struct net_device *dev; | |
6262 | int err; | |
6263 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; | |
6264 | ||
6265 | if (rtnl) | |
6266 | rtnl_lock(); | |
6267 | ||
6268 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
6269 | rdev = cfg80211_get_dev_from_info(info); | |
6270 | if (IS_ERR(rdev)) { | |
6271 | if (rtnl) | |
6272 | rtnl_unlock(); | |
6273 | return PTR_ERR(rdev); | |
6274 | } | |
6275 | info->user_ptr[0] = rdev; | |
6276 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { | |
00918d33 JB |
6277 | err = get_rdev_dev_by_ifindex(genl_info_net(info), info->attrs, |
6278 | &rdev, &dev); | |
4c476991 JB |
6279 | if (err) { |
6280 | if (rtnl) | |
6281 | rtnl_unlock(); | |
6282 | return err; | |
6283 | } | |
41265714 JB |
6284 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
6285 | !netif_running(dev)) { | |
d537f5fd JB |
6286 | cfg80211_unlock_rdev(rdev); |
6287 | dev_put(dev); | |
41265714 JB |
6288 | if (rtnl) |
6289 | rtnl_unlock(); | |
6290 | return -ENETDOWN; | |
6291 | } | |
4c476991 JB |
6292 | info->user_ptr[0] = rdev; |
6293 | info->user_ptr[1] = dev; | |
6294 | } | |
6295 | ||
6296 | return 0; | |
6297 | } | |
6298 | ||
6299 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
6300 | struct genl_info *info) | |
6301 | { | |
6302 | if (info->user_ptr[0]) | |
6303 | cfg80211_unlock_rdev(info->user_ptr[0]); | |
6304 | if (info->user_ptr[1]) | |
6305 | dev_put(info->user_ptr[1]); | |
6306 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) | |
6307 | rtnl_unlock(); | |
6308 | } | |
6309 | ||
55682965 JB |
6310 | static struct genl_ops nl80211_ops[] = { |
6311 | { | |
6312 | .cmd = NL80211_CMD_GET_WIPHY, | |
6313 | .doit = nl80211_get_wiphy, | |
6314 | .dumpit = nl80211_dump_wiphy, | |
6315 | .policy = nl80211_policy, | |
6316 | /* can be retrieved by unprivileged users */ | |
4c476991 | 6317 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
55682965 JB |
6318 | }, |
6319 | { | |
6320 | .cmd = NL80211_CMD_SET_WIPHY, | |
6321 | .doit = nl80211_set_wiphy, | |
6322 | .policy = nl80211_policy, | |
6323 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 6324 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
6325 | }, |
6326 | { | |
6327 | .cmd = NL80211_CMD_GET_INTERFACE, | |
6328 | .doit = nl80211_get_interface, | |
6329 | .dumpit = nl80211_dump_interface, | |
6330 | .policy = nl80211_policy, | |
6331 | /* can be retrieved by unprivileged users */ | |
4c476991 | 6332 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
55682965 JB |
6333 | }, |
6334 | { | |
6335 | .cmd = NL80211_CMD_SET_INTERFACE, | |
6336 | .doit = nl80211_set_interface, | |
6337 | .policy = nl80211_policy, | |
6338 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6339 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6340 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
6341 | }, |
6342 | { | |
6343 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
6344 | .doit = nl80211_new_interface, | |
6345 | .policy = nl80211_policy, | |
6346 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6347 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6348 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
6349 | }, |
6350 | { | |
6351 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
6352 | .doit = nl80211_del_interface, | |
6353 | .policy = nl80211_policy, | |
41ade00f | 6354 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
6355 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6356 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
6357 | }, |
6358 | { | |
6359 | .cmd = NL80211_CMD_GET_KEY, | |
6360 | .doit = nl80211_get_key, | |
6361 | .policy = nl80211_policy, | |
6362 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6363 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6364 | NL80211_FLAG_NEED_RTNL, | |
41ade00f JB |
6365 | }, |
6366 | { | |
6367 | .cmd = NL80211_CMD_SET_KEY, | |
6368 | .doit = nl80211_set_key, | |
6369 | .policy = nl80211_policy, | |
6370 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6371 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6372 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
6373 | }, |
6374 | { | |
6375 | .cmd = NL80211_CMD_NEW_KEY, | |
6376 | .doit = nl80211_new_key, | |
6377 | .policy = nl80211_policy, | |
6378 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6379 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6380 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
6381 | }, |
6382 | { | |
6383 | .cmd = NL80211_CMD_DEL_KEY, | |
6384 | .doit = nl80211_del_key, | |
6385 | .policy = nl80211_policy, | |
55682965 | 6386 | .flags = GENL_ADMIN_PERM, |
41265714 | 6387 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6388 | NL80211_FLAG_NEED_RTNL, |
55682965 | 6389 | }, |
ed1b6cc7 JB |
6390 | { |
6391 | .cmd = NL80211_CMD_SET_BEACON, | |
6392 | .policy = nl80211_policy, | |
6393 | .flags = GENL_ADMIN_PERM, | |
8860020e | 6394 | .doit = nl80211_set_beacon, |
4c476991 JB |
6395 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6396 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
6397 | }, |
6398 | { | |
8860020e | 6399 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
6400 | .policy = nl80211_policy, |
6401 | .flags = GENL_ADMIN_PERM, | |
8860020e | 6402 | .doit = nl80211_start_ap, |
4c476991 JB |
6403 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6404 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 JB |
6405 | }, |
6406 | { | |
8860020e | 6407 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
6408 | .policy = nl80211_policy, |
6409 | .flags = GENL_ADMIN_PERM, | |
8860020e | 6410 | .doit = nl80211_stop_ap, |
4c476991 JB |
6411 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6412 | NL80211_FLAG_NEED_RTNL, | |
ed1b6cc7 | 6413 | }, |
5727ef1b JB |
6414 | { |
6415 | .cmd = NL80211_CMD_GET_STATION, | |
6416 | .doit = nl80211_get_station, | |
2ec600d6 | 6417 | .dumpit = nl80211_dump_station, |
5727ef1b | 6418 | .policy = nl80211_policy, |
4c476991 JB |
6419 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6420 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
6421 | }, |
6422 | { | |
6423 | .cmd = NL80211_CMD_SET_STATION, | |
6424 | .doit = nl80211_set_station, | |
6425 | .policy = nl80211_policy, | |
6426 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6427 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6428 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
6429 | }, |
6430 | { | |
6431 | .cmd = NL80211_CMD_NEW_STATION, | |
6432 | .doit = nl80211_new_station, | |
6433 | .policy = nl80211_policy, | |
6434 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6435 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6436 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
6437 | }, |
6438 | { | |
6439 | .cmd = NL80211_CMD_DEL_STATION, | |
6440 | .doit = nl80211_del_station, | |
6441 | .policy = nl80211_policy, | |
2ec600d6 | 6442 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
6443 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6444 | NL80211_FLAG_NEED_RTNL, | |
2ec600d6 LCC |
6445 | }, |
6446 | { | |
6447 | .cmd = NL80211_CMD_GET_MPATH, | |
6448 | .doit = nl80211_get_mpath, | |
6449 | .dumpit = nl80211_dump_mpath, | |
6450 | .policy = nl80211_policy, | |
6451 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6452 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6453 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
6454 | }, |
6455 | { | |
6456 | .cmd = NL80211_CMD_SET_MPATH, | |
6457 | .doit = nl80211_set_mpath, | |
6458 | .policy = nl80211_policy, | |
6459 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6460 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6461 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
6462 | }, |
6463 | { | |
6464 | .cmd = NL80211_CMD_NEW_MPATH, | |
6465 | .doit = nl80211_new_mpath, | |
6466 | .policy = nl80211_policy, | |
6467 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6468 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6469 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
6470 | }, |
6471 | { | |
6472 | .cmd = NL80211_CMD_DEL_MPATH, | |
6473 | .doit = nl80211_del_mpath, | |
6474 | .policy = nl80211_policy, | |
9f1ba906 | 6475 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
6476 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6477 | NL80211_FLAG_NEED_RTNL, | |
9f1ba906 JM |
6478 | }, |
6479 | { | |
6480 | .cmd = NL80211_CMD_SET_BSS, | |
6481 | .doit = nl80211_set_bss, | |
6482 | .policy = nl80211_policy, | |
b2e1b302 | 6483 | .flags = GENL_ADMIN_PERM, |
4c476991 JB |
6484 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6485 | NL80211_FLAG_NEED_RTNL, | |
b2e1b302 | 6486 | }, |
f130347c LR |
6487 | { |
6488 | .cmd = NL80211_CMD_GET_REG, | |
6489 | .doit = nl80211_get_reg, | |
6490 | .policy = nl80211_policy, | |
6491 | /* can be retrieved by unprivileged users */ | |
6492 | }, | |
b2e1b302 LR |
6493 | { |
6494 | .cmd = NL80211_CMD_SET_REG, | |
6495 | .doit = nl80211_set_reg, | |
6496 | .policy = nl80211_policy, | |
6497 | .flags = GENL_ADMIN_PERM, | |
6498 | }, | |
6499 | { | |
6500 | .cmd = NL80211_CMD_REQ_SET_REG, | |
6501 | .doit = nl80211_req_set_reg, | |
6502 | .policy = nl80211_policy, | |
93da9cc1 | 6503 | .flags = GENL_ADMIN_PERM, |
6504 | }, | |
6505 | { | |
24bdd9f4 JC |
6506 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
6507 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 6508 | .policy = nl80211_policy, |
6509 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
6510 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6511 | NL80211_FLAG_NEED_RTNL, | |
93da9cc1 | 6512 | }, |
6513 | { | |
24bdd9f4 JC |
6514 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
6515 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 6516 | .policy = nl80211_policy, |
9aed3cc1 | 6517 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 6518 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6519 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 6520 | }, |
2a519311 JB |
6521 | { |
6522 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
6523 | .doit = nl80211_trigger_scan, | |
6524 | .policy = nl80211_policy, | |
6525 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6526 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6527 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
6528 | }, |
6529 | { | |
6530 | .cmd = NL80211_CMD_GET_SCAN, | |
6531 | .policy = nl80211_policy, | |
6532 | .dumpit = nl80211_dump_scan, | |
6533 | }, | |
807f8a8c LC |
6534 | { |
6535 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
6536 | .doit = nl80211_start_sched_scan, | |
6537 | .policy = nl80211_policy, | |
6538 | .flags = GENL_ADMIN_PERM, | |
6539 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6540 | NL80211_FLAG_NEED_RTNL, | |
6541 | }, | |
6542 | { | |
6543 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
6544 | .doit = nl80211_stop_sched_scan, | |
6545 | .policy = nl80211_policy, | |
6546 | .flags = GENL_ADMIN_PERM, | |
6547 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6548 | NL80211_FLAG_NEED_RTNL, | |
6549 | }, | |
636a5d36 JM |
6550 | { |
6551 | .cmd = NL80211_CMD_AUTHENTICATE, | |
6552 | .doit = nl80211_authenticate, | |
6553 | .policy = nl80211_policy, | |
6554 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6555 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6556 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
6557 | }, |
6558 | { | |
6559 | .cmd = NL80211_CMD_ASSOCIATE, | |
6560 | .doit = nl80211_associate, | |
6561 | .policy = nl80211_policy, | |
6562 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6563 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6564 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
6565 | }, |
6566 | { | |
6567 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
6568 | .doit = nl80211_deauthenticate, | |
6569 | .policy = nl80211_policy, | |
6570 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6571 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6572 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
6573 | }, |
6574 | { | |
6575 | .cmd = NL80211_CMD_DISASSOCIATE, | |
6576 | .doit = nl80211_disassociate, | |
6577 | .policy = nl80211_policy, | |
6578 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6579 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6580 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 6581 | }, |
04a773ad JB |
6582 | { |
6583 | .cmd = NL80211_CMD_JOIN_IBSS, | |
6584 | .doit = nl80211_join_ibss, | |
6585 | .policy = nl80211_policy, | |
6586 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6587 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6588 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
6589 | }, |
6590 | { | |
6591 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
6592 | .doit = nl80211_leave_ibss, | |
6593 | .policy = nl80211_policy, | |
6594 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6595 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6596 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 6597 | }, |
aff89a9b JB |
6598 | #ifdef CONFIG_NL80211_TESTMODE |
6599 | { | |
6600 | .cmd = NL80211_CMD_TESTMODE, | |
6601 | .doit = nl80211_testmode_do, | |
71063f0e | 6602 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
6603 | .policy = nl80211_policy, |
6604 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6605 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6606 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
6607 | }, |
6608 | #endif | |
b23aa676 SO |
6609 | { |
6610 | .cmd = NL80211_CMD_CONNECT, | |
6611 | .doit = nl80211_connect, | |
6612 | .policy = nl80211_policy, | |
6613 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6614 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6615 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
6616 | }, |
6617 | { | |
6618 | .cmd = NL80211_CMD_DISCONNECT, | |
6619 | .doit = nl80211_disconnect, | |
6620 | .policy = nl80211_policy, | |
6621 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6622 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6623 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 6624 | }, |
463d0183 JB |
6625 | { |
6626 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
6627 | .doit = nl80211_wiphy_netns, | |
6628 | .policy = nl80211_policy, | |
6629 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6630 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
6631 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 6632 | }, |
61fa713c HS |
6633 | { |
6634 | .cmd = NL80211_CMD_GET_SURVEY, | |
6635 | .policy = nl80211_policy, | |
6636 | .dumpit = nl80211_dump_survey, | |
6637 | }, | |
67fbb16b SO |
6638 | { |
6639 | .cmd = NL80211_CMD_SET_PMKSA, | |
6640 | .doit = nl80211_setdel_pmksa, | |
6641 | .policy = nl80211_policy, | |
6642 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6643 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6644 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
6645 | }, |
6646 | { | |
6647 | .cmd = NL80211_CMD_DEL_PMKSA, | |
6648 | .doit = nl80211_setdel_pmksa, | |
6649 | .policy = nl80211_policy, | |
6650 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6651 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6652 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b SO |
6653 | }, |
6654 | { | |
6655 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
6656 | .doit = nl80211_flush_pmksa, | |
6657 | .policy = nl80211_policy, | |
6658 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6659 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6660 | NL80211_FLAG_NEED_RTNL, | |
67fbb16b | 6661 | }, |
9588bbd5 JM |
6662 | { |
6663 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
6664 | .doit = nl80211_remain_on_channel, | |
6665 | .policy = nl80211_policy, | |
6666 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6667 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6668 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
6669 | }, |
6670 | { | |
6671 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
6672 | .doit = nl80211_cancel_remain_on_channel, | |
6673 | .policy = nl80211_policy, | |
6674 | .flags = GENL_ADMIN_PERM, | |
41265714 | 6675 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6676 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 6677 | }, |
13ae75b1 JM |
6678 | { |
6679 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
6680 | .doit = nl80211_set_tx_bitrate_mask, | |
6681 | .policy = nl80211_policy, | |
6682 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6683 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6684 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 6685 | }, |
026331c4 | 6686 | { |
2e161f78 JB |
6687 | .cmd = NL80211_CMD_REGISTER_FRAME, |
6688 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
6689 | .policy = nl80211_policy, |
6690 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6691 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6692 | NL80211_FLAG_NEED_RTNL, | |
026331c4 JM |
6693 | }, |
6694 | { | |
2e161f78 JB |
6695 | .cmd = NL80211_CMD_FRAME, |
6696 | .doit = nl80211_tx_mgmt, | |
026331c4 | 6697 | .policy = nl80211_policy, |
f7ca38df JB |
6698 | .flags = GENL_ADMIN_PERM, |
6699 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6700 | NL80211_FLAG_NEED_RTNL, | |
6701 | }, | |
6702 | { | |
6703 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
6704 | .doit = nl80211_tx_mgmt_cancel_wait, | |
6705 | .policy = nl80211_policy, | |
026331c4 | 6706 | .flags = GENL_ADMIN_PERM, |
41265714 | 6707 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 6708 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 6709 | }, |
ffb9eb3d KV |
6710 | { |
6711 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
6712 | .doit = nl80211_set_power_save, | |
6713 | .policy = nl80211_policy, | |
6714 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6715 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6716 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
6717 | }, |
6718 | { | |
6719 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
6720 | .doit = nl80211_get_power_save, | |
6721 | .policy = nl80211_policy, | |
6722 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
6723 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6724 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 6725 | }, |
d6dc1a38 JO |
6726 | { |
6727 | .cmd = NL80211_CMD_SET_CQM, | |
6728 | .doit = nl80211_set_cqm, | |
6729 | .policy = nl80211_policy, | |
6730 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6731 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6732 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 6733 | }, |
f444de05 JB |
6734 | { |
6735 | .cmd = NL80211_CMD_SET_CHANNEL, | |
6736 | .doit = nl80211_set_channel, | |
6737 | .policy = nl80211_policy, | |
6738 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
6739 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6740 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 6741 | }, |
e8347eba BJ |
6742 | { |
6743 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
6744 | .doit = nl80211_set_wds_peer, | |
6745 | .policy = nl80211_policy, | |
6746 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
6747 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
6748 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 6749 | }, |
29cbe68c JB |
6750 | { |
6751 | .cmd = NL80211_CMD_JOIN_MESH, | |
6752 | .doit = nl80211_join_mesh, | |
6753 | .policy = nl80211_policy, | |
6754 | .flags = GENL_ADMIN_PERM, | |
6755 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6756 | NL80211_FLAG_NEED_RTNL, | |
6757 | }, | |
6758 | { | |
6759 | .cmd = NL80211_CMD_LEAVE_MESH, | |
6760 | .doit = nl80211_leave_mesh, | |
6761 | .policy = nl80211_policy, | |
6762 | .flags = GENL_ADMIN_PERM, | |
6763 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6764 | NL80211_FLAG_NEED_RTNL, | |
6765 | }, | |
ff1b6e69 JB |
6766 | { |
6767 | .cmd = NL80211_CMD_GET_WOWLAN, | |
6768 | .doit = nl80211_get_wowlan, | |
6769 | .policy = nl80211_policy, | |
6770 | /* can be retrieved by unprivileged users */ | |
6771 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6772 | NL80211_FLAG_NEED_RTNL, | |
6773 | }, | |
6774 | { | |
6775 | .cmd = NL80211_CMD_SET_WOWLAN, | |
6776 | .doit = nl80211_set_wowlan, | |
6777 | .policy = nl80211_policy, | |
6778 | .flags = GENL_ADMIN_PERM, | |
6779 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6780 | NL80211_FLAG_NEED_RTNL, | |
6781 | }, | |
e5497d76 JB |
6782 | { |
6783 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
6784 | .doit = nl80211_set_rekey_data, | |
6785 | .policy = nl80211_policy, | |
6786 | .flags = GENL_ADMIN_PERM, | |
6787 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6788 | NL80211_FLAG_NEED_RTNL, | |
6789 | }, | |
109086ce AN |
6790 | { |
6791 | .cmd = NL80211_CMD_TDLS_MGMT, | |
6792 | .doit = nl80211_tdls_mgmt, | |
6793 | .policy = nl80211_policy, | |
6794 | .flags = GENL_ADMIN_PERM, | |
6795 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6796 | NL80211_FLAG_NEED_RTNL, | |
6797 | }, | |
6798 | { | |
6799 | .cmd = NL80211_CMD_TDLS_OPER, | |
6800 | .doit = nl80211_tdls_oper, | |
6801 | .policy = nl80211_policy, | |
6802 | .flags = GENL_ADMIN_PERM, | |
6803 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
6804 | NL80211_FLAG_NEED_RTNL, | |
6805 | }, | |
28946da7 JB |
6806 | { |
6807 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
6808 | .doit = nl80211_register_unexpected_frame, | |
6809 | .policy = nl80211_policy, | |
6810 | .flags = GENL_ADMIN_PERM, | |
6811 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
6812 | NL80211_FLAG_NEED_RTNL, | |
6813 | }, | |
7f6cf311 JB |
6814 | { |
6815 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
6816 | .doit = nl80211_probe_client, | |
6817 | .policy = nl80211_policy, | |
6818 | .flags = GENL_ADMIN_PERM, | |
6819 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
6820 | NL80211_FLAG_NEED_RTNL, | |
6821 | }, | |
5e760230 JB |
6822 | { |
6823 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
6824 | .doit = nl80211_register_beacons, | |
6825 | .policy = nl80211_policy, | |
6826 | .flags = GENL_ADMIN_PERM, | |
6827 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
6828 | NL80211_FLAG_NEED_RTNL, | |
6829 | }, | |
1d9d9213 SW |
6830 | { |
6831 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
6832 | .doit = nl80211_set_noack_map, | |
6833 | .policy = nl80211_policy, | |
6834 | .flags = GENL_ADMIN_PERM, | |
6835 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
6836 | NL80211_FLAG_NEED_RTNL, | |
6837 | }, | |
6838 | ||
55682965 | 6839 | }; |
9588bbd5 | 6840 | |
6039f6d2 JM |
6841 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
6842 | .name = "mlme", | |
6843 | }; | |
55682965 JB |
6844 | |
6845 | /* multicast groups */ | |
6846 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
6847 | .name = "config", | |
6848 | }; | |
2a519311 JB |
6849 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
6850 | .name = "scan", | |
6851 | }; | |
73d54c9e LR |
6852 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
6853 | .name = "regulatory", | |
6854 | }; | |
55682965 JB |
6855 | |
6856 | /* notification functions */ | |
6857 | ||
6858 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
6859 | { | |
6860 | struct sk_buff *msg; | |
6861 | ||
fd2120ca | 6862 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
6863 | if (!msg) |
6864 | return; | |
6865 | ||
6866 | if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { | |
6867 | nlmsg_free(msg); | |
6868 | return; | |
6869 | } | |
6870 | ||
463d0183 JB |
6871 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6872 | nl80211_config_mcgrp.id, GFP_KERNEL); | |
55682965 JB |
6873 | } |
6874 | ||
362a415d JB |
6875 | static int nl80211_add_scan_req(struct sk_buff *msg, |
6876 | struct cfg80211_registered_device *rdev) | |
6877 | { | |
6878 | struct cfg80211_scan_request *req = rdev->scan_req; | |
6879 | struct nlattr *nest; | |
6880 | int i; | |
6881 | ||
667503dd JB |
6882 | ASSERT_RDEV_LOCK(rdev); |
6883 | ||
362a415d JB |
6884 | if (WARN_ON(!req)) |
6885 | return 0; | |
6886 | ||
6887 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
6888 | if (!nest) | |
6889 | goto nla_put_failure; | |
6890 | for (i = 0; i < req->n_ssids; i++) | |
6891 | NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid); | |
6892 | nla_nest_end(msg, nest); | |
6893 | ||
6894 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
6895 | if (!nest) | |
6896 | goto nla_put_failure; | |
6897 | for (i = 0; i < req->n_channels; i++) | |
6898 | NLA_PUT_U32(msg, i, req->channels[i]->center_freq); | |
6899 | nla_nest_end(msg, nest); | |
6900 | ||
6901 | if (req->ie) | |
6902 | NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie); | |
6903 | ||
6904 | return 0; | |
6905 | nla_put_failure: | |
6906 | return -ENOBUFS; | |
6907 | } | |
6908 | ||
a538e2d5 JB |
6909 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
6910 | struct cfg80211_registered_device *rdev, | |
6911 | struct net_device *netdev, | |
6912 | u32 pid, u32 seq, int flags, | |
6913 | u32 cmd) | |
2a519311 JB |
6914 | { |
6915 | void *hdr; | |
6916 | ||
6917 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); | |
6918 | if (!hdr) | |
6919 | return -1; | |
6920 | ||
b5850a7a | 6921 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
2a519311 JB |
6922 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
6923 | ||
362a415d JB |
6924 | /* ignore errors and send incomplete event anyway */ |
6925 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
6926 | |
6927 | return genlmsg_end(msg, hdr); | |
6928 | ||
6929 | nla_put_failure: | |
6930 | genlmsg_cancel(msg, hdr); | |
6931 | return -EMSGSIZE; | |
6932 | } | |
6933 | ||
807f8a8c LC |
6934 | static int |
6935 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
6936 | struct cfg80211_registered_device *rdev, | |
6937 | struct net_device *netdev, | |
6938 | u32 pid, u32 seq, int flags, u32 cmd) | |
6939 | { | |
6940 | void *hdr; | |
6941 | ||
6942 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); | |
6943 | if (!hdr) | |
6944 | return -1; | |
6945 | ||
6946 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
6947 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
6948 | ||
6949 | return genlmsg_end(msg, hdr); | |
6950 | ||
6951 | nla_put_failure: | |
6952 | genlmsg_cancel(msg, hdr); | |
6953 | return -EMSGSIZE; | |
6954 | } | |
6955 | ||
a538e2d5 JB |
6956 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
6957 | struct net_device *netdev) | |
6958 | { | |
6959 | struct sk_buff *msg; | |
6960 | ||
6961 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
6962 | if (!msg) | |
6963 | return; | |
6964 | ||
6965 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
6966 | NL80211_CMD_TRIGGER_SCAN) < 0) { | |
6967 | nlmsg_free(msg); | |
6968 | return; | |
6969 | } | |
6970 | ||
463d0183 JB |
6971 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6972 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
a538e2d5 JB |
6973 | } |
6974 | ||
2a519311 JB |
6975 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
6976 | struct net_device *netdev) | |
6977 | { | |
6978 | struct sk_buff *msg; | |
6979 | ||
fd2120ca | 6980 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
6981 | if (!msg) |
6982 | return; | |
6983 | ||
a538e2d5 JB |
6984 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
6985 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 JB |
6986 | nlmsg_free(msg); |
6987 | return; | |
6988 | } | |
6989 | ||
463d0183 JB |
6990 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
6991 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
6992 | } |
6993 | ||
6994 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
6995 | struct net_device *netdev) | |
6996 | { | |
6997 | struct sk_buff *msg; | |
6998 | ||
fd2120ca | 6999 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
7000 | if (!msg) |
7001 | return; | |
7002 | ||
a538e2d5 JB |
7003 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
7004 | NL80211_CMD_SCAN_ABORTED) < 0) { | |
2a519311 JB |
7005 | nlmsg_free(msg); |
7006 | return; | |
7007 | } | |
7008 | ||
463d0183 JB |
7009 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7010 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
7011 | } |
7012 | ||
807f8a8c LC |
7013 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
7014 | struct net_device *netdev) | |
7015 | { | |
7016 | struct sk_buff *msg; | |
7017 | ||
7018 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
7019 | if (!msg) | |
7020 | return; | |
7021 | ||
7022 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
7023 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
7024 | nlmsg_free(msg); | |
7025 | return; | |
7026 | } | |
7027 | ||
7028 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7029 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
7030 | } | |
7031 | ||
7032 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
7033 | struct net_device *netdev, u32 cmd) | |
7034 | { | |
7035 | struct sk_buff *msg; | |
7036 | ||
7037 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
7038 | if (!msg) | |
7039 | return; | |
7040 | ||
7041 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
7042 | nlmsg_free(msg); | |
7043 | return; | |
7044 | } | |
7045 | ||
7046 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7047 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
7048 | } | |
7049 | ||
73d54c9e LR |
7050 | /* |
7051 | * This can happen on global regulatory changes or device specific settings | |
7052 | * based on custom world regulatory domains. | |
7053 | */ | |
7054 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
7055 | { | |
7056 | struct sk_buff *msg; | |
7057 | void *hdr; | |
7058 | ||
fd2120ca | 7059 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
7060 | if (!msg) |
7061 | return; | |
7062 | ||
7063 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
7064 | if (!hdr) { | |
7065 | nlmsg_free(msg); | |
7066 | return; | |
7067 | } | |
7068 | ||
7069 | /* Userspace can always count this one always being set */ | |
7070 | NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator); | |
7071 | ||
7072 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') | |
7073 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
7074 | NL80211_REGDOM_TYPE_WORLD); | |
7075 | else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') | |
7076 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
7077 | NL80211_REGDOM_TYPE_CUSTOM_WORLD); | |
7078 | else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
7079 | request->intersect) | |
7080 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
7081 | NL80211_REGDOM_TYPE_INTERSECTION); | |
7082 | else { | |
7083 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, | |
7084 | NL80211_REGDOM_TYPE_COUNTRY); | |
7085 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2); | |
7086 | } | |
7087 | ||
7088 | if (wiphy_idx_valid(request->wiphy_idx)) | |
7089 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx); | |
7090 | ||
3b7b72ee | 7091 | genlmsg_end(msg, hdr); |
73d54c9e | 7092 | |
bc43b28c | 7093 | rcu_read_lock(); |
463d0183 | 7094 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
bc43b28c JB |
7095 | GFP_ATOMIC); |
7096 | rcu_read_unlock(); | |
73d54c9e LR |
7097 | |
7098 | return; | |
7099 | ||
7100 | nla_put_failure: | |
7101 | genlmsg_cancel(msg, hdr); | |
7102 | nlmsg_free(msg); | |
7103 | } | |
7104 | ||
6039f6d2 JM |
7105 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
7106 | struct net_device *netdev, | |
7107 | const u8 *buf, size_t len, | |
e6d6e342 | 7108 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
7109 | { |
7110 | struct sk_buff *msg; | |
7111 | void *hdr; | |
7112 | ||
e6d6e342 | 7113 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
7114 | if (!msg) |
7115 | return; | |
7116 | ||
7117 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
7118 | if (!hdr) { | |
7119 | nlmsg_free(msg); | |
7120 | return; | |
7121 | } | |
7122 | ||
7123 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7124 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7125 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
7126 | ||
3b7b72ee | 7127 | genlmsg_end(msg, hdr); |
6039f6d2 | 7128 | |
463d0183 JB |
7129 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7130 | nl80211_mlme_mcgrp.id, gfp); | |
6039f6d2 JM |
7131 | return; |
7132 | ||
7133 | nla_put_failure: | |
7134 | genlmsg_cancel(msg, hdr); | |
7135 | nlmsg_free(msg); | |
7136 | } | |
7137 | ||
7138 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
7139 | struct net_device *netdev, const u8 *buf, |
7140 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
7141 | { |
7142 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 7143 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
7144 | } |
7145 | ||
7146 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
7147 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 7148 | size_t len, gfp_t gfp) |
6039f6d2 | 7149 | { |
e6d6e342 JB |
7150 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
7151 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
7152 | } |
7153 | ||
53b46b84 | 7154 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
7155 | struct net_device *netdev, const u8 *buf, |
7156 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
7157 | { |
7158 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 7159 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
7160 | } |
7161 | ||
53b46b84 JM |
7162 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
7163 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 7164 | size_t len, gfp_t gfp) |
6039f6d2 JM |
7165 | { |
7166 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 7167 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
7168 | } |
7169 | ||
cf4e594e JM |
7170 | void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, |
7171 | struct net_device *netdev, const u8 *buf, | |
7172 | size_t len, gfp_t gfp) | |
7173 | { | |
7174 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
7175 | NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); | |
7176 | } | |
7177 | ||
7178 | void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, | |
7179 | struct net_device *netdev, const u8 *buf, | |
7180 | size_t len, gfp_t gfp) | |
7181 | { | |
7182 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
7183 | NL80211_CMD_UNPROT_DISASSOCIATE, gfp); | |
7184 | } | |
7185 | ||
1b06bb40 LR |
7186 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
7187 | struct net_device *netdev, int cmd, | |
e6d6e342 | 7188 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
7189 | { |
7190 | struct sk_buff *msg; | |
7191 | void *hdr; | |
7192 | ||
e6d6e342 | 7193 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
7194 | if (!msg) |
7195 | return; | |
7196 | ||
7197 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
7198 | if (!hdr) { | |
7199 | nlmsg_free(msg); | |
7200 | return; | |
7201 | } | |
7202 | ||
7203 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7204 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7205 | NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT); | |
7206 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7207 | ||
3b7b72ee | 7208 | genlmsg_end(msg, hdr); |
1965c853 | 7209 | |
463d0183 JB |
7210 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7211 | nl80211_mlme_mcgrp.id, gfp); | |
1965c853 JM |
7212 | return; |
7213 | ||
7214 | nla_put_failure: | |
7215 | genlmsg_cancel(msg, hdr); | |
7216 | nlmsg_free(msg); | |
7217 | } | |
7218 | ||
7219 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
7220 | struct net_device *netdev, const u8 *addr, |
7221 | gfp_t gfp) | |
1965c853 JM |
7222 | { |
7223 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 7224 | addr, gfp); |
1965c853 JM |
7225 | } |
7226 | ||
7227 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
7228 | struct net_device *netdev, const u8 *addr, |
7229 | gfp_t gfp) | |
1965c853 | 7230 | { |
e6d6e342 JB |
7231 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
7232 | addr, gfp); | |
1965c853 JM |
7233 | } |
7234 | ||
b23aa676 SO |
7235 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
7236 | struct net_device *netdev, const u8 *bssid, | |
7237 | const u8 *req_ie, size_t req_ie_len, | |
7238 | const u8 *resp_ie, size_t resp_ie_len, | |
7239 | u16 status, gfp_t gfp) | |
7240 | { | |
7241 | struct sk_buff *msg; | |
7242 | void *hdr; | |
7243 | ||
7244 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7245 | if (!msg) | |
7246 | return; | |
7247 | ||
7248 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
7249 | if (!hdr) { | |
7250 | nlmsg_free(msg); | |
7251 | return; | |
7252 | } | |
7253 | ||
7254 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7255 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7256 | if (bssid) | |
7257 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7258 | NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status); | |
7259 | if (req_ie) | |
7260 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
7261 | if (resp_ie) | |
7262 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
7263 | ||
3b7b72ee | 7264 | genlmsg_end(msg, hdr); |
b23aa676 | 7265 | |
463d0183 JB |
7266 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7267 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
7268 | return; |
7269 | ||
7270 | nla_put_failure: | |
7271 | genlmsg_cancel(msg, hdr); | |
7272 | nlmsg_free(msg); | |
7273 | ||
7274 | } | |
7275 | ||
7276 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
7277 | struct net_device *netdev, const u8 *bssid, | |
7278 | const u8 *req_ie, size_t req_ie_len, | |
7279 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
7280 | { | |
7281 | struct sk_buff *msg; | |
7282 | void *hdr; | |
7283 | ||
7284 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7285 | if (!msg) | |
7286 | return; | |
7287 | ||
7288 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
7289 | if (!hdr) { | |
7290 | nlmsg_free(msg); | |
7291 | return; | |
7292 | } | |
7293 | ||
7294 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7295 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7296 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7297 | if (req_ie) | |
7298 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); | |
7299 | if (resp_ie) | |
7300 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); | |
7301 | ||
3b7b72ee | 7302 | genlmsg_end(msg, hdr); |
b23aa676 | 7303 | |
463d0183 JB |
7304 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7305 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
7306 | return; |
7307 | ||
7308 | nla_put_failure: | |
7309 | genlmsg_cancel(msg, hdr); | |
7310 | nlmsg_free(msg); | |
7311 | ||
7312 | } | |
7313 | ||
7314 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
7315 | struct net_device *netdev, u16 reason, | |
667503dd | 7316 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
7317 | { |
7318 | struct sk_buff *msg; | |
7319 | void *hdr; | |
7320 | ||
667503dd | 7321 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
b23aa676 SO |
7322 | if (!msg) |
7323 | return; | |
7324 | ||
7325 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
7326 | if (!hdr) { | |
7327 | nlmsg_free(msg); | |
7328 | return; | |
7329 | } | |
7330 | ||
7331 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7332 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7333 | if (from_ap && reason) | |
7334 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason); | |
7335 | if (from_ap) | |
7336 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP); | |
7337 | if (ie) | |
7338 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie); | |
7339 | ||
3b7b72ee | 7340 | genlmsg_end(msg, hdr); |
b23aa676 | 7341 | |
463d0183 JB |
7342 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7343 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
b23aa676 SO |
7344 | return; |
7345 | ||
7346 | nla_put_failure: | |
7347 | genlmsg_cancel(msg, hdr); | |
7348 | nlmsg_free(msg); | |
7349 | ||
7350 | } | |
7351 | ||
04a773ad JB |
7352 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
7353 | struct net_device *netdev, const u8 *bssid, | |
7354 | gfp_t gfp) | |
7355 | { | |
7356 | struct sk_buff *msg; | |
7357 | void *hdr; | |
7358 | ||
fd2120ca | 7359 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
7360 | if (!msg) |
7361 | return; | |
7362 | ||
7363 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
7364 | if (!hdr) { | |
7365 | nlmsg_free(msg); | |
7366 | return; | |
7367 | } | |
7368 | ||
7369 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7370 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7371 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7372 | ||
3b7b72ee | 7373 | genlmsg_end(msg, hdr); |
04a773ad | 7374 | |
463d0183 JB |
7375 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7376 | nl80211_mlme_mcgrp.id, gfp); | |
04a773ad JB |
7377 | return; |
7378 | ||
7379 | nla_put_failure: | |
7380 | genlmsg_cancel(msg, hdr); | |
7381 | nlmsg_free(msg); | |
7382 | } | |
7383 | ||
c93b5e71 JC |
7384 | void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, |
7385 | struct net_device *netdev, | |
7386 | const u8 *macaddr, const u8* ie, u8 ie_len, | |
7387 | gfp_t gfp) | |
7388 | { | |
7389 | struct sk_buff *msg; | |
7390 | void *hdr; | |
7391 | ||
7392 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7393 | if (!msg) | |
7394 | return; | |
7395 | ||
7396 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
7397 | if (!hdr) { | |
7398 | nlmsg_free(msg); | |
7399 | return; | |
7400 | } | |
7401 | ||
7402 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7403 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7404 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr); | |
7405 | if (ie_len && ie) | |
7406 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie); | |
7407 | ||
3b7b72ee | 7408 | genlmsg_end(msg, hdr); |
c93b5e71 JC |
7409 | |
7410 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7411 | nl80211_mlme_mcgrp.id, gfp); | |
7412 | return; | |
7413 | ||
7414 | nla_put_failure: | |
7415 | genlmsg_cancel(msg, hdr); | |
7416 | nlmsg_free(msg); | |
7417 | } | |
7418 | ||
a3b8b056 JM |
7419 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
7420 | struct net_device *netdev, const u8 *addr, | |
7421 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 7422 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
7423 | { |
7424 | struct sk_buff *msg; | |
7425 | void *hdr; | |
7426 | ||
e6d6e342 | 7427 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
7428 | if (!msg) |
7429 | return; | |
7430 | ||
7431 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
7432 | if (!hdr) { | |
7433 | nlmsg_free(msg); | |
7434 | return; | |
7435 | } | |
7436 | ||
7437 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7438 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7439 | if (addr) | |
7440 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7441 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type); | |
a66b98db AN |
7442 | if (key_id != -1) |
7443 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id); | |
a3b8b056 JM |
7444 | if (tsc) |
7445 | NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc); | |
7446 | ||
3b7b72ee | 7447 | genlmsg_end(msg, hdr); |
a3b8b056 | 7448 | |
463d0183 JB |
7449 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
7450 | nl80211_mlme_mcgrp.id, gfp); | |
a3b8b056 JM |
7451 | return; |
7452 | ||
7453 | nla_put_failure: | |
7454 | genlmsg_cancel(msg, hdr); | |
7455 | nlmsg_free(msg); | |
7456 | } | |
7457 | ||
6bad8766 LR |
7458 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
7459 | struct ieee80211_channel *channel_before, | |
7460 | struct ieee80211_channel *channel_after) | |
7461 | { | |
7462 | struct sk_buff *msg; | |
7463 | void *hdr; | |
7464 | struct nlattr *nl_freq; | |
7465 | ||
fd2120ca | 7466 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
7467 | if (!msg) |
7468 | return; | |
7469 | ||
7470 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
7471 | if (!hdr) { | |
7472 | nlmsg_free(msg); | |
7473 | return; | |
7474 | } | |
7475 | ||
7476 | /* | |
7477 | * Since we are applying the beacon hint to a wiphy we know its | |
7478 | * wiphy_idx is valid | |
7479 | */ | |
7480 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)); | |
7481 | ||
7482 | /* Before */ | |
7483 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
7484 | if (!nl_freq) | |
7485 | goto nla_put_failure; | |
7486 | if (nl80211_msg_put_channel(msg, channel_before)) | |
7487 | goto nla_put_failure; | |
7488 | nla_nest_end(msg, nl_freq); | |
7489 | ||
7490 | /* After */ | |
7491 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
7492 | if (!nl_freq) | |
7493 | goto nla_put_failure; | |
7494 | if (nl80211_msg_put_channel(msg, channel_after)) | |
7495 | goto nla_put_failure; | |
7496 | nla_nest_end(msg, nl_freq); | |
7497 | ||
3b7b72ee | 7498 | genlmsg_end(msg, hdr); |
6bad8766 | 7499 | |
463d0183 JB |
7500 | rcu_read_lock(); |
7501 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, | |
7502 | GFP_ATOMIC); | |
7503 | rcu_read_unlock(); | |
6bad8766 LR |
7504 | |
7505 | return; | |
7506 | ||
7507 | nla_put_failure: | |
7508 | genlmsg_cancel(msg, hdr); | |
7509 | nlmsg_free(msg); | |
7510 | } | |
7511 | ||
9588bbd5 JM |
7512 | static void nl80211_send_remain_on_chan_event( |
7513 | int cmd, struct cfg80211_registered_device *rdev, | |
7514 | struct net_device *netdev, u64 cookie, | |
7515 | struct ieee80211_channel *chan, | |
7516 | enum nl80211_channel_type channel_type, | |
7517 | unsigned int duration, gfp_t gfp) | |
7518 | { | |
7519 | struct sk_buff *msg; | |
7520 | void *hdr; | |
7521 | ||
7522 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7523 | if (!msg) | |
7524 | return; | |
7525 | ||
7526 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
7527 | if (!hdr) { | |
7528 | nlmsg_free(msg); | |
7529 | return; | |
7530 | } | |
7531 | ||
7532 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7533 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7534 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq); | |
7535 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type); | |
7536 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
7537 | ||
7538 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL) | |
7539 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); | |
7540 | ||
3b7b72ee | 7541 | genlmsg_end(msg, hdr); |
9588bbd5 JM |
7542 | |
7543 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7544 | nl80211_mlme_mcgrp.id, gfp); | |
7545 | return; | |
7546 | ||
7547 | nla_put_failure: | |
7548 | genlmsg_cancel(msg, hdr); | |
7549 | nlmsg_free(msg); | |
7550 | } | |
7551 | ||
7552 | void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, | |
7553 | struct net_device *netdev, u64 cookie, | |
7554 | struct ieee80211_channel *chan, | |
7555 | enum nl80211_channel_type channel_type, | |
7556 | unsigned int duration, gfp_t gfp) | |
7557 | { | |
7558 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, | |
7559 | rdev, netdev, cookie, chan, | |
7560 | channel_type, duration, gfp); | |
7561 | } | |
7562 | ||
7563 | void nl80211_send_remain_on_channel_cancel( | |
7564 | struct cfg80211_registered_device *rdev, struct net_device *netdev, | |
7565 | u64 cookie, struct ieee80211_channel *chan, | |
7566 | enum nl80211_channel_type channel_type, gfp_t gfp) | |
7567 | { | |
7568 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
7569 | rdev, netdev, cookie, chan, | |
7570 | channel_type, 0, gfp); | |
7571 | } | |
7572 | ||
98b62183 JB |
7573 | void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, |
7574 | struct net_device *dev, const u8 *mac_addr, | |
7575 | struct station_info *sinfo, gfp_t gfp) | |
7576 | { | |
7577 | struct sk_buff *msg; | |
7578 | ||
7579 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7580 | if (!msg) | |
7581 | return; | |
7582 | ||
7583 | if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) { | |
7584 | nlmsg_free(msg); | |
7585 | return; | |
7586 | } | |
7587 | ||
7588 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7589 | nl80211_mlme_mcgrp.id, gfp); | |
7590 | } | |
7591 | ||
ec15e68b JM |
7592 | void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, |
7593 | struct net_device *dev, const u8 *mac_addr, | |
7594 | gfp_t gfp) | |
7595 | { | |
7596 | struct sk_buff *msg; | |
7597 | void *hdr; | |
7598 | ||
7599 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7600 | if (!msg) | |
7601 | return; | |
7602 | ||
7603 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
7604 | if (!hdr) { | |
7605 | nlmsg_free(msg); | |
7606 | return; | |
7607 | } | |
7608 | ||
7609 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
7610 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
7611 | ||
3b7b72ee | 7612 | genlmsg_end(msg, hdr); |
ec15e68b JM |
7613 | |
7614 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7615 | nl80211_mlme_mcgrp.id, gfp); | |
7616 | return; | |
7617 | ||
7618 | nla_put_failure: | |
7619 | genlmsg_cancel(msg, hdr); | |
7620 | nlmsg_free(msg); | |
7621 | } | |
7622 | ||
b92ab5d8 JB |
7623 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
7624 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
7625 | { |
7626 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7627 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
7628 | struct sk_buff *msg; | |
7629 | void *hdr; | |
7630 | int err; | |
7631 | u32 nlpid = ACCESS_ONCE(wdev->ap_unexpected_nlpid); | |
7632 | ||
7633 | if (!nlpid) | |
7634 | return false; | |
7635 | ||
7636 | msg = nlmsg_new(100, gfp); | |
7637 | if (!msg) | |
7638 | return true; | |
7639 | ||
b92ab5d8 | 7640 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
7641 | if (!hdr) { |
7642 | nlmsg_free(msg); | |
7643 | return true; | |
7644 | } | |
7645 | ||
7646 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7647 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
7648 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7649 | ||
7650 | err = genlmsg_end(msg, hdr); | |
7651 | if (err < 0) { | |
7652 | nlmsg_free(msg); | |
7653 | return true; | |
7654 | } | |
7655 | ||
7656 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); | |
7657 | return true; | |
7658 | ||
7659 | nla_put_failure: | |
7660 | genlmsg_cancel(msg, hdr); | |
7661 | nlmsg_free(msg); | |
7662 | return true; | |
7663 | } | |
7664 | ||
b92ab5d8 JB |
7665 | bool nl80211_unexpected_frame(struct net_device *dev, const u8 *addr, gfp_t gfp) |
7666 | { | |
7667 | return __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
7668 | addr, gfp); | |
7669 | } | |
7670 | ||
7671 | bool nl80211_unexpected_4addr_frame(struct net_device *dev, | |
7672 | const u8 *addr, gfp_t gfp) | |
7673 | { | |
7674 | return __nl80211_unexpected_frame(dev, | |
7675 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
7676 | addr, gfp); | |
7677 | } | |
7678 | ||
2e161f78 JB |
7679 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
7680 | struct net_device *netdev, u32 nlpid, | |
7681 | int freq, const u8 *buf, size_t len, gfp_t gfp) | |
026331c4 JM |
7682 | { |
7683 | struct sk_buff *msg; | |
7684 | void *hdr; | |
026331c4 JM |
7685 | |
7686 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7687 | if (!msg) | |
7688 | return -ENOMEM; | |
7689 | ||
2e161f78 | 7690 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
7691 | if (!hdr) { |
7692 | nlmsg_free(msg); | |
7693 | return -ENOMEM; | |
7694 | } | |
7695 | ||
7696 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7697 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7698 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
7699 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
7700 | ||
3b7b72ee | 7701 | genlmsg_end(msg, hdr); |
026331c4 | 7702 | |
3b7b72ee | 7703 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); |
026331c4 JM |
7704 | |
7705 | nla_put_failure: | |
7706 | genlmsg_cancel(msg, hdr); | |
7707 | nlmsg_free(msg); | |
7708 | return -ENOBUFS; | |
7709 | } | |
7710 | ||
2e161f78 JB |
7711 | void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, |
7712 | struct net_device *netdev, u64 cookie, | |
7713 | const u8 *buf, size_t len, bool ack, | |
7714 | gfp_t gfp) | |
026331c4 JM |
7715 | { |
7716 | struct sk_buff *msg; | |
7717 | void *hdr; | |
7718 | ||
7719 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
7720 | if (!msg) | |
7721 | return; | |
7722 | ||
2e161f78 | 7723 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
7724 | if (!hdr) { |
7725 | nlmsg_free(msg); | |
7726 | return; | |
7727 | } | |
7728 | ||
7729 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7730 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7731 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); | |
7732 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
7733 | if (ack) | |
7734 | NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); | |
7735 | ||
3b7b72ee | 7736 | genlmsg_end(msg, hdr); |
026331c4 JM |
7737 | |
7738 | genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); | |
7739 | return; | |
7740 | ||
7741 | nla_put_failure: | |
7742 | genlmsg_cancel(msg, hdr); | |
7743 | nlmsg_free(msg); | |
7744 | } | |
7745 | ||
d6dc1a38 JO |
7746 | void |
7747 | nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, | |
7748 | struct net_device *netdev, | |
7749 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
7750 | gfp_t gfp) | |
7751 | { | |
7752 | struct sk_buff *msg; | |
7753 | struct nlattr *pinfoattr; | |
7754 | void *hdr; | |
7755 | ||
7756 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7757 | if (!msg) | |
7758 | return; | |
7759 | ||
7760 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
7761 | if (!hdr) { | |
7762 | nlmsg_free(msg); | |
7763 | return; | |
7764 | } | |
7765 | ||
7766 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7767 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7768 | ||
7769 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
7770 | if (!pinfoattr) | |
7771 | goto nla_put_failure; | |
7772 | ||
7773 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
7774 | rssi_event); | |
7775 | ||
7776 | nla_nest_end(msg, pinfoattr); | |
7777 | ||
3b7b72ee | 7778 | genlmsg_end(msg, hdr); |
d6dc1a38 JO |
7779 | |
7780 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7781 | nl80211_mlme_mcgrp.id, gfp); | |
7782 | return; | |
7783 | ||
7784 | nla_put_failure: | |
7785 | genlmsg_cancel(msg, hdr); | |
7786 | nlmsg_free(msg); | |
7787 | } | |
7788 | ||
e5497d76 JB |
7789 | void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
7790 | struct net_device *netdev, const u8 *bssid, | |
7791 | const u8 *replay_ctr, gfp_t gfp) | |
7792 | { | |
7793 | struct sk_buff *msg; | |
7794 | struct nlattr *rekey_attr; | |
7795 | void *hdr; | |
7796 | ||
7797 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7798 | if (!msg) | |
7799 | return; | |
7800 | ||
7801 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
7802 | if (!hdr) { | |
7803 | nlmsg_free(msg); | |
7804 | return; | |
7805 | } | |
7806 | ||
7807 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7808 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7809 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7810 | ||
7811 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
7812 | if (!rekey_attr) | |
7813 | goto nla_put_failure; | |
7814 | ||
7815 | NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, | |
7816 | NL80211_REPLAY_CTR_LEN, replay_ctr); | |
7817 | ||
7818 | nla_nest_end(msg, rekey_attr); | |
7819 | ||
3b7b72ee | 7820 | genlmsg_end(msg, hdr); |
e5497d76 JB |
7821 | |
7822 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7823 | nl80211_mlme_mcgrp.id, gfp); | |
7824 | return; | |
7825 | ||
7826 | nla_put_failure: | |
7827 | genlmsg_cancel(msg, hdr); | |
7828 | nlmsg_free(msg); | |
7829 | } | |
7830 | ||
c9df56b4 JM |
7831 | void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, |
7832 | struct net_device *netdev, int index, | |
7833 | const u8 *bssid, bool preauth, gfp_t gfp) | |
7834 | { | |
7835 | struct sk_buff *msg; | |
7836 | struct nlattr *attr; | |
7837 | void *hdr; | |
7838 | ||
7839 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7840 | if (!msg) | |
7841 | return; | |
7842 | ||
7843 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
7844 | if (!hdr) { | |
7845 | nlmsg_free(msg); | |
7846 | return; | |
7847 | } | |
7848 | ||
7849 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7850 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7851 | ||
7852 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
7853 | if (!attr) | |
7854 | goto nla_put_failure; | |
7855 | ||
7856 | NLA_PUT_U32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index); | |
7857 | NLA_PUT(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid); | |
7858 | if (preauth) | |
7859 | NLA_PUT_FLAG(msg, NL80211_PMKSA_CANDIDATE_PREAUTH); | |
7860 | ||
7861 | nla_nest_end(msg, attr); | |
7862 | ||
3b7b72ee | 7863 | genlmsg_end(msg, hdr); |
c9df56b4 JM |
7864 | |
7865 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7866 | nl80211_mlme_mcgrp.id, gfp); | |
7867 | return; | |
7868 | ||
7869 | nla_put_failure: | |
7870 | genlmsg_cancel(msg, hdr); | |
7871 | nlmsg_free(msg); | |
7872 | } | |
7873 | ||
c063dbf5 JB |
7874 | void |
7875 | nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, | |
7876 | struct net_device *netdev, const u8 *peer, | |
7877 | u32 num_packets, gfp_t gfp) | |
7878 | { | |
7879 | struct sk_buff *msg; | |
7880 | struct nlattr *pinfoattr; | |
7881 | void *hdr; | |
7882 | ||
7883 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7884 | if (!msg) | |
7885 | return; | |
7886 | ||
7887 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
7888 | if (!hdr) { | |
7889 | nlmsg_free(msg); | |
7890 | return; | |
7891 | } | |
7892 | ||
7893 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7894 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
7895 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); | |
7896 | ||
7897 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
7898 | if (!pinfoattr) | |
7899 | goto nla_put_failure; | |
7900 | ||
7901 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets); | |
7902 | ||
7903 | nla_nest_end(msg, pinfoattr); | |
7904 | ||
3b7b72ee | 7905 | genlmsg_end(msg, hdr); |
c063dbf5 JB |
7906 | |
7907 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7908 | nl80211_mlme_mcgrp.id, gfp); | |
7909 | return; | |
7910 | ||
7911 | nla_put_failure: | |
7912 | genlmsg_cancel(msg, hdr); | |
7913 | nlmsg_free(msg); | |
7914 | } | |
7915 | ||
7f6cf311 JB |
7916 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
7917 | u64 cookie, bool acked, gfp_t gfp) | |
7918 | { | |
7919 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7920 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
7921 | struct sk_buff *msg; | |
7922 | void *hdr; | |
7923 | int err; | |
7924 | ||
7925 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
7926 | if (!msg) | |
7927 | return; | |
7928 | ||
7929 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
7930 | if (!hdr) { | |
7931 | nlmsg_free(msg); | |
7932 | return; | |
7933 | } | |
7934 | ||
7935 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7936 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
7937 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7938 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); | |
7939 | if (acked) | |
7940 | NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); | |
7941 | ||
7942 | err = genlmsg_end(msg, hdr); | |
7943 | if (err < 0) { | |
7944 | nlmsg_free(msg); | |
7945 | return; | |
7946 | } | |
7947 | ||
7948 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
7949 | nl80211_mlme_mcgrp.id, gfp); | |
7950 | return; | |
7951 | ||
7952 | nla_put_failure: | |
7953 | genlmsg_cancel(msg, hdr); | |
7954 | nlmsg_free(msg); | |
7955 | } | |
7956 | EXPORT_SYMBOL(cfg80211_probe_status); | |
7957 | ||
5e760230 JB |
7958 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
7959 | const u8 *frame, size_t len, | |
7960 | int freq, gfp_t gfp) | |
7961 | { | |
7962 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
7963 | struct sk_buff *msg; | |
7964 | void *hdr; | |
7965 | u32 nlpid = ACCESS_ONCE(rdev->ap_beacons_nlpid); | |
7966 | ||
7967 | if (!nlpid) | |
7968 | return; | |
7969 | ||
7970 | msg = nlmsg_new(len + 100, gfp); | |
7971 | if (!msg) | |
7972 | return; | |
7973 | ||
7974 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); | |
7975 | if (!hdr) { | |
7976 | nlmsg_free(msg); | |
7977 | return; | |
7978 | } | |
7979 | ||
7980 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
7981 | if (freq) | |
7982 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
7983 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, frame); | |
7984 | ||
7985 | genlmsg_end(msg, hdr); | |
7986 | ||
7987 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); | |
7988 | return; | |
7989 | ||
7990 | nla_put_failure: | |
7991 | genlmsg_cancel(msg, hdr); | |
7992 | nlmsg_free(msg); | |
7993 | } | |
7994 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
7995 | ||
026331c4 JM |
7996 | static int nl80211_netlink_notify(struct notifier_block * nb, |
7997 | unsigned long state, | |
7998 | void *_notify) | |
7999 | { | |
8000 | struct netlink_notify *notify = _notify; | |
8001 | struct cfg80211_registered_device *rdev; | |
8002 | struct wireless_dev *wdev; | |
8003 | ||
8004 | if (state != NETLINK_URELEASE) | |
8005 | return NOTIFY_DONE; | |
8006 | ||
8007 | rcu_read_lock(); | |
8008 | ||
5e760230 | 8009 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
026331c4 | 8010 | list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) |
2e161f78 | 8011 | cfg80211_mlme_unregister_socket(wdev, notify->pid); |
5e760230 JB |
8012 | if (rdev->ap_beacons_nlpid == notify->pid) |
8013 | rdev->ap_beacons_nlpid = 0; | |
8014 | } | |
026331c4 JM |
8015 | |
8016 | rcu_read_unlock(); | |
8017 | ||
8018 | return NOTIFY_DONE; | |
8019 | } | |
8020 | ||
8021 | static struct notifier_block nl80211_netlink_notifier = { | |
8022 | .notifier_call = nl80211_netlink_notify, | |
8023 | }; | |
8024 | ||
55682965 JB |
8025 | /* initialisation/exit functions */ |
8026 | ||
8027 | int nl80211_init(void) | |
8028 | { | |
0d63cbb5 | 8029 | int err; |
55682965 | 8030 | |
0d63cbb5 MM |
8031 | err = genl_register_family_with_ops(&nl80211_fam, |
8032 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); | |
55682965 JB |
8033 | if (err) |
8034 | return err; | |
8035 | ||
55682965 JB |
8036 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
8037 | if (err) | |
8038 | goto err_out; | |
8039 | ||
2a519311 JB |
8040 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
8041 | if (err) | |
8042 | goto err_out; | |
8043 | ||
73d54c9e LR |
8044 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
8045 | if (err) | |
8046 | goto err_out; | |
8047 | ||
6039f6d2 JM |
8048 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
8049 | if (err) | |
8050 | goto err_out; | |
8051 | ||
aff89a9b JB |
8052 | #ifdef CONFIG_NL80211_TESTMODE |
8053 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); | |
8054 | if (err) | |
8055 | goto err_out; | |
8056 | #endif | |
8057 | ||
026331c4 JM |
8058 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
8059 | if (err) | |
8060 | goto err_out; | |
8061 | ||
55682965 JB |
8062 | return 0; |
8063 | err_out: | |
8064 | genl_unregister_family(&nl80211_fam); | |
8065 | return err; | |
8066 | } | |
8067 | ||
8068 | void nl80211_exit(void) | |
8069 | { | |
026331c4 | 8070 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
8071 | genl_unregister_family(&nl80211_fam); |
8072 | } |