]>
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> |
2a0e047e | 22 | #include <net/inet_connection_sock.h> |
55682965 JB |
23 | #include "core.h" |
24 | #include "nl80211.h" | |
b2e1b302 | 25 | #include "reg.h" |
e35e4d28 | 26 | #include "rdev-ops.h" |
55682965 | 27 | |
5fb628e9 JM |
28 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
29 | struct genl_info *info, | |
30 | struct cfg80211_crypto_settings *settings, | |
31 | int cipher_limit); | |
32 | ||
4c476991 JB |
33 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, |
34 | struct genl_info *info); | |
35 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
36 | struct genl_info *info); | |
37 | ||
55682965 JB |
38 | /* the netlink family */ |
39 | static struct genl_family nl80211_fam = { | |
fb4e1568 MH |
40 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
41 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ | |
42 | .hdrsize = 0, /* no private header */ | |
43 | .version = 1, /* no particular meaning now */ | |
55682965 | 44 | .maxattr = NL80211_ATTR_MAX, |
463d0183 | 45 | .netnsok = true, |
4c476991 JB |
46 | .pre_doit = nl80211_pre_doit, |
47 | .post_doit = nl80211_post_doit, | |
55682965 JB |
48 | }; |
49 | ||
89a54e48 JB |
50 | /* returns ERR_PTR values */ |
51 | static struct wireless_dev * | |
52 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 53 | { |
89a54e48 JB |
54 | struct cfg80211_registered_device *rdev; |
55 | struct wireless_dev *result = NULL; | |
56 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
57 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
58 | u64 wdev_id; | |
59 | int wiphy_idx = -1; | |
60 | int ifidx = -1; | |
55682965 | 61 | |
89a54e48 | 62 | assert_cfg80211_lock(); |
55682965 | 63 | |
89a54e48 JB |
64 | if (!have_ifidx && !have_wdev_id) |
65 | return ERR_PTR(-EINVAL); | |
55682965 | 66 | |
89a54e48 JB |
67 | if (have_ifidx) |
68 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
69 | if (have_wdev_id) { | |
70 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
71 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
72 | } |
73 | ||
89a54e48 JB |
74 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
75 | struct wireless_dev *wdev; | |
76 | ||
77 | if (wiphy_net(&rdev->wiphy) != netns) | |
78 | continue; | |
79 | ||
80 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
81 | continue; | |
82 | ||
83 | mutex_lock(&rdev->devlist_mtx); | |
84 | list_for_each_entry(wdev, &rdev->wdev_list, list) { | |
85 | if (have_ifidx && wdev->netdev && | |
86 | wdev->netdev->ifindex == ifidx) { | |
87 | result = wdev; | |
88 | break; | |
89 | } | |
90 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
91 | result = wdev; | |
92 | break; | |
93 | } | |
94 | } | |
95 | mutex_unlock(&rdev->devlist_mtx); | |
96 | ||
97 | if (result) | |
98 | break; | |
99 | } | |
100 | ||
101 | if (result) | |
102 | return result; | |
103 | return ERR_PTR(-ENODEV); | |
55682965 JB |
104 | } |
105 | ||
a9455408 | 106 | static struct cfg80211_registered_device * |
878d9ec7 | 107 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 108 | { |
7fee4778 JB |
109 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
110 | struct net_device *netdev; | |
a9455408 JB |
111 | |
112 | assert_cfg80211_lock(); | |
113 | ||
878d9ec7 | 114 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
115 | !attrs[NL80211_ATTR_IFINDEX] && |
116 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
117 | return ERR_PTR(-EINVAL); |
118 | ||
878d9ec7 | 119 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 120 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 121 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 122 | |
89a54e48 JB |
123 | if (attrs[NL80211_ATTR_WDEV]) { |
124 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
125 | struct wireless_dev *wdev; | |
126 | bool found = false; | |
127 | ||
128 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
129 | if (tmp) { | |
130 | /* make sure wdev exists */ | |
131 | mutex_lock(&tmp->devlist_mtx); | |
132 | list_for_each_entry(wdev, &tmp->wdev_list, list) { | |
133 | if (wdev->identifier != (u32)wdev_id) | |
134 | continue; | |
135 | found = true; | |
136 | break; | |
137 | } | |
138 | mutex_unlock(&tmp->devlist_mtx); | |
139 | ||
140 | if (!found) | |
141 | tmp = NULL; | |
142 | ||
143 | if (rdev && tmp != rdev) | |
144 | return ERR_PTR(-EINVAL); | |
145 | rdev = tmp; | |
146 | } | |
147 | } | |
148 | ||
878d9ec7 JB |
149 | if (attrs[NL80211_ATTR_IFINDEX]) { |
150 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
4f7eff10 | 151 | netdev = dev_get_by_index(netns, ifindex); |
7fee4778 JB |
152 | if (netdev) { |
153 | if (netdev->ieee80211_ptr) | |
154 | tmp = wiphy_to_dev( | |
155 | netdev->ieee80211_ptr->wiphy); | |
156 | else | |
157 | tmp = NULL; | |
158 | ||
159 | dev_put(netdev); | |
160 | ||
161 | /* not wireless device -- return error */ | |
162 | if (!tmp) | |
163 | return ERR_PTR(-EINVAL); | |
164 | ||
165 | /* mismatch -- return error */ | |
166 | if (rdev && tmp != rdev) | |
167 | return ERR_PTR(-EINVAL); | |
168 | ||
169 | rdev = tmp; | |
a9455408 | 170 | } |
a9455408 | 171 | } |
a9455408 | 172 | |
4f7eff10 JB |
173 | if (!rdev) |
174 | return ERR_PTR(-ENODEV); | |
a9455408 | 175 | |
4f7eff10 JB |
176 | if (netns != wiphy_net(&rdev->wiphy)) |
177 | return ERR_PTR(-ENODEV); | |
178 | ||
179 | return rdev; | |
a9455408 JB |
180 | } |
181 | ||
182 | /* | |
183 | * This function returns a pointer to the driver | |
184 | * that the genl_info item that is passed refers to. | |
185 | * If successful, it returns non-NULL and also locks | |
186 | * the driver's mutex! | |
187 | * | |
188 | * This means that you need to call cfg80211_unlock_rdev() | |
189 | * before being allowed to acquire &cfg80211_mutex! | |
190 | * | |
191 | * This is necessary because we need to lock the global | |
192 | * mutex to get an item off the list safely, and then | |
193 | * we lock the rdev mutex so it doesn't go away under us. | |
194 | * | |
195 | * We don't want to keep cfg80211_mutex locked | |
196 | * for all the time in order to allow requests on | |
197 | * other interfaces to go through at the same time. | |
198 | * | |
199 | * The result of this can be a PTR_ERR and hence must | |
200 | * be checked with IS_ERR() for errors. | |
201 | */ | |
202 | static struct cfg80211_registered_device * | |
4f7eff10 | 203 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 JB |
204 | { |
205 | struct cfg80211_registered_device *rdev; | |
206 | ||
207 | mutex_lock(&cfg80211_mutex); | |
878d9ec7 | 208 | rdev = __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
209 | |
210 | /* if it is not an error we grab the lock on | |
211 | * it to assure it won't be going away while | |
212 | * we operate on it */ | |
213 | if (!IS_ERR(rdev)) | |
214 | mutex_lock(&rdev->mtx); | |
215 | ||
216 | mutex_unlock(&cfg80211_mutex); | |
217 | ||
218 | return rdev; | |
219 | } | |
220 | ||
55682965 | 221 | /* policy for the attributes */ |
b54452b0 | 222 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
223 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
224 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 225 | .len = 20-1 }, |
31888487 | 226 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 227 | |
72bdcf34 | 228 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 229 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
230 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
231 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
232 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
233 | ||
b9a5f8ca JM |
234 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
235 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
236 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
237 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 238 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
239 | |
240 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
241 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
242 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 243 | |
e007b857 EP |
244 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
245 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 246 | |
b9454e83 | 247 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
248 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
249 | .len = WLAN_MAX_KEY_LEN }, | |
250 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
251 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
252 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 253 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 254 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
255 | |
256 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
257 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
258 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
259 | .len = IEEE80211_MAX_DATA_LEN }, | |
260 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
261 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
262 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
263 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
264 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
265 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
266 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 267 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 268 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 269 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 270 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 271 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 272 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 273 | |
b2e1b302 LR |
274 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
275 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
276 | ||
9f1ba906 JM |
277 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
278 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
279 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
280 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
281 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 282 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 283 | |
24bdd9f4 | 284 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 285 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 286 | |
6c739419 | 287 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
288 | |
289 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
290 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
291 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
292 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
293 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
294 | |
295 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
296 | .len = IEEE80211_MAX_SSID_LEN }, | |
297 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
298 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 299 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 300 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 301 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
302 | [NL80211_ATTR_STA_FLAGS2] = { |
303 | .len = sizeof(struct nl80211_sta_flag_update), | |
304 | }, | |
3f77316c | 305 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
306 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
307 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
308 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
309 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
310 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 311 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 312 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
313 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
314 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
315 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
316 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 317 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
318 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
319 | .len = IEEE80211_MAX_DATA_LEN }, | |
320 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 321 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 322 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 323 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 324 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
325 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
326 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 327 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
328 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
329 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 330 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 331 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 332 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 333 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 334 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 335 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 336 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 337 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 338 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
339 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
340 | .len = IEEE80211_MAX_DATA_LEN }, | |
341 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
342 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 343 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 344 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 345 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
346 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
347 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
348 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
349 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
350 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
e247bd90 | 351 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
352 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
353 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 354 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
355 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
356 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
357 | .len = NL80211_HT_CAPABILITY_LEN | |
358 | }, | |
1d9d9213 | 359 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 360 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 361 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 362 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 363 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 364 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 365 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 366 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
367 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
368 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
369 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
370 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
371 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
372 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 373 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
374 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
375 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
376 | .len = NL80211_VHT_CAPABILITY_LEN, | |
377 | }, | |
355199e0 JM |
378 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
379 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
380 | .len = IEEE80211_MAX_DATA_LEN }, | |
55682965 JB |
381 | }; |
382 | ||
e31b8213 | 383 | /* policy for the key attributes */ |
b54452b0 | 384 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 385 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
386 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
387 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 388 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
389 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
390 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 391 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
392 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
393 | }; | |
394 | ||
395 | /* policy for the key default flags */ | |
396 | static const struct nla_policy | |
397 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
398 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
399 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
400 | }; |
401 | ||
ff1b6e69 JB |
402 | /* policy for WoWLAN attributes */ |
403 | static const struct nla_policy | |
404 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
405 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
406 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
407 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
408 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
409 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
410 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
411 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
412 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e JB |
413 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
414 | }; | |
415 | ||
416 | static const struct nla_policy | |
417 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
418 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
419 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
420 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
421 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
422 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
423 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
424 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
425 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
426 | }, | |
427 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
428 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
429 | }, | |
430 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
431 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
432 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
433 | }; |
434 | ||
e5497d76 JB |
435 | /* policy for GTK rekey offload attributes */ |
436 | static const struct nla_policy | |
437 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
438 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
439 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
440 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
441 | }; | |
442 | ||
a1f1c21c LC |
443 | static const struct nla_policy |
444 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 445 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 446 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 447 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
448 | }; |
449 | ||
97990a06 JB |
450 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
451 | struct netlink_callback *cb, | |
452 | struct cfg80211_registered_device **rdev, | |
453 | struct wireless_dev **wdev) | |
a043897a | 454 | { |
97990a06 | 455 | int err; |
a043897a | 456 | |
97990a06 JB |
457 | rtnl_lock(); |
458 | mutex_lock(&cfg80211_mutex); | |
a043897a | 459 | |
97990a06 JB |
460 | if (!cb->args[0]) { |
461 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
462 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
463 | nl80211_policy); | |
464 | if (err) | |
465 | goto out_unlock; | |
67748893 | 466 | |
97990a06 JB |
467 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
468 | nl80211_fam.attrbuf); | |
469 | if (IS_ERR(*wdev)) { | |
470 | err = PTR_ERR(*wdev); | |
471 | goto out_unlock; | |
472 | } | |
473 | *rdev = wiphy_to_dev((*wdev)->wiphy); | |
474 | cb->args[0] = (*rdev)->wiphy_idx; | |
475 | cb->args[1] = (*wdev)->identifier; | |
476 | } else { | |
477 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0]); | |
478 | struct wireless_dev *tmp; | |
67748893 | 479 | |
97990a06 JB |
480 | if (!wiphy) { |
481 | err = -ENODEV; | |
482 | goto out_unlock; | |
483 | } | |
484 | *rdev = wiphy_to_dev(wiphy); | |
485 | *wdev = NULL; | |
67748893 | 486 | |
97990a06 JB |
487 | mutex_lock(&(*rdev)->devlist_mtx); |
488 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { | |
489 | if (tmp->identifier == cb->args[1]) { | |
490 | *wdev = tmp; | |
491 | break; | |
492 | } | |
493 | } | |
494 | mutex_unlock(&(*rdev)->devlist_mtx); | |
67748893 | 495 | |
97990a06 JB |
496 | if (!*wdev) { |
497 | err = -ENODEV; | |
498 | goto out_unlock; | |
499 | } | |
67748893 JB |
500 | } |
501 | ||
97990a06 | 502 | cfg80211_lock_rdev(*rdev); |
67748893 | 503 | |
97990a06 | 504 | mutex_unlock(&cfg80211_mutex); |
67748893 | 505 | return 0; |
97990a06 JB |
506 | out_unlock: |
507 | mutex_unlock(&cfg80211_mutex); | |
67748893 JB |
508 | rtnl_unlock(); |
509 | return err; | |
510 | } | |
511 | ||
97990a06 | 512 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 JB |
513 | { |
514 | cfg80211_unlock_rdev(rdev); | |
515 | rtnl_unlock(); | |
516 | } | |
517 | ||
f4a11bb0 JB |
518 | /* IE validation */ |
519 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
520 | { | |
521 | const u8 *pos; | |
522 | int len; | |
523 | ||
524 | if (!attr) | |
525 | return true; | |
526 | ||
527 | pos = nla_data(attr); | |
528 | len = nla_len(attr); | |
529 | ||
530 | while (len) { | |
531 | u8 elemlen; | |
532 | ||
533 | if (len < 2) | |
534 | return false; | |
535 | len -= 2; | |
536 | ||
537 | elemlen = pos[1]; | |
538 | if (elemlen > len) | |
539 | return false; | |
540 | ||
541 | len -= elemlen; | |
542 | pos += 2 + elemlen; | |
543 | } | |
544 | ||
545 | return true; | |
546 | } | |
547 | ||
55682965 | 548 | /* message building helper */ |
15e47304 | 549 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
550 | int flags, u8 cmd) |
551 | { | |
552 | /* since there is no private header just add the generic one */ | |
15e47304 | 553 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
554 | } |
555 | ||
5dab3b8a | 556 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
557 | struct ieee80211_channel *chan, |
558 | bool large) | |
5dab3b8a | 559 | { |
9360ffd1 DM |
560 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
561 | chan->center_freq)) | |
562 | goto nla_put_failure; | |
5dab3b8a | 563 | |
9360ffd1 DM |
564 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
565 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
566 | goto nla_put_failure; | |
567 | if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) && | |
568 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN)) | |
569 | goto nla_put_failure; | |
570 | if ((chan->flags & IEEE80211_CHAN_NO_IBSS) && | |
571 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
572 | goto nla_put_failure; | |
cdc89b97 JB |
573 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
574 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
575 | goto nla_put_failure; | |
576 | if (large) { | |
577 | u32 time; | |
578 | ||
579 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
580 | ||
581 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
582 | chan->dfs_state)) | |
583 | goto nla_put_failure; | |
584 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
585 | time)) | |
586 | goto nla_put_failure; | |
587 | } | |
588 | } | |
5dab3b8a | 589 | |
fe1abafd JB |
590 | if (large) { |
591 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
592 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
593 | goto nla_put_failure; | |
594 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
595 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
596 | goto nla_put_failure; | |
597 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
598 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
599 | goto nla_put_failure; | |
600 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
601 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
602 | goto nla_put_failure; | |
603 | } | |
604 | ||
9360ffd1 DM |
605 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
606 | DBM_TO_MBM(chan->max_power))) | |
607 | goto nla_put_failure; | |
5dab3b8a LR |
608 | |
609 | return 0; | |
610 | ||
611 | nla_put_failure: | |
612 | return -ENOBUFS; | |
613 | } | |
614 | ||
55682965 JB |
615 | /* netlink command implementations */ |
616 | ||
b9454e83 JB |
617 | struct key_parse { |
618 | struct key_params p; | |
619 | int idx; | |
e31b8213 | 620 | int type; |
b9454e83 | 621 | bool def, defmgmt; |
dbd2fd65 | 622 | bool def_uni, def_multi; |
b9454e83 JB |
623 | }; |
624 | ||
625 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
626 | { | |
627 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
628 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
629 | nl80211_key_policy); | |
630 | if (err) | |
631 | return err; | |
632 | ||
633 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
634 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
635 | ||
dbd2fd65 JB |
636 | if (k->def) { |
637 | k->def_uni = true; | |
638 | k->def_multi = true; | |
639 | } | |
640 | if (k->defmgmt) | |
641 | k->def_multi = true; | |
642 | ||
b9454e83 JB |
643 | if (tb[NL80211_KEY_IDX]) |
644 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
645 | ||
646 | if (tb[NL80211_KEY_DATA]) { | |
647 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
648 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
649 | } | |
650 | ||
651 | if (tb[NL80211_KEY_SEQ]) { | |
652 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
653 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
654 | } | |
655 | ||
656 | if (tb[NL80211_KEY_CIPHER]) | |
657 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
658 | ||
e31b8213 JB |
659 | if (tb[NL80211_KEY_TYPE]) { |
660 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
661 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
662 | return -EINVAL; | |
663 | } | |
664 | ||
dbd2fd65 JB |
665 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
666 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
667 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
668 | tb[NL80211_KEY_DEFAULT_TYPES], | |
669 | nl80211_key_default_policy); | |
dbd2fd65 JB |
670 | if (err) |
671 | return err; | |
672 | ||
673 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
674 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
675 | } | |
676 | ||
b9454e83 JB |
677 | return 0; |
678 | } | |
679 | ||
680 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
681 | { | |
682 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
683 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
684 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
685 | } | |
686 | ||
687 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
688 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
689 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
690 | } | |
691 | ||
692 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
693 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
694 | ||
695 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
696 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
697 | ||
698 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
699 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
700 | ||
dbd2fd65 JB |
701 | if (k->def) { |
702 | k->def_uni = true; | |
703 | k->def_multi = true; | |
704 | } | |
705 | if (k->defmgmt) | |
706 | k->def_multi = true; | |
707 | ||
e31b8213 JB |
708 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
709 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
710 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
711 | return -EINVAL; | |
712 | } | |
713 | ||
dbd2fd65 JB |
714 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
715 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
716 | int err = nla_parse_nested( | |
717 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
718 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
719 | nl80211_key_default_policy); | |
720 | if (err) | |
721 | return err; | |
722 | ||
723 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
724 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
725 | } | |
726 | ||
b9454e83 JB |
727 | return 0; |
728 | } | |
729 | ||
730 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
731 | { | |
732 | int err; | |
733 | ||
734 | memset(k, 0, sizeof(*k)); | |
735 | k->idx = -1; | |
e31b8213 | 736 | k->type = -1; |
b9454e83 JB |
737 | |
738 | if (info->attrs[NL80211_ATTR_KEY]) | |
739 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
740 | else | |
741 | err = nl80211_parse_key_old(info, k); | |
742 | ||
743 | if (err) | |
744 | return err; | |
745 | ||
746 | if (k->def && k->defmgmt) | |
747 | return -EINVAL; | |
748 | ||
dbd2fd65 JB |
749 | if (k->defmgmt) { |
750 | if (k->def_uni || !k->def_multi) | |
751 | return -EINVAL; | |
752 | } | |
753 | ||
b9454e83 JB |
754 | if (k->idx != -1) { |
755 | if (k->defmgmt) { | |
756 | if (k->idx < 4 || k->idx > 5) | |
757 | return -EINVAL; | |
758 | } else if (k->def) { | |
759 | if (k->idx < 0 || k->idx > 3) | |
760 | return -EINVAL; | |
761 | } else { | |
762 | if (k->idx < 0 || k->idx > 5) | |
763 | return -EINVAL; | |
764 | } | |
765 | } | |
766 | ||
767 | return 0; | |
768 | } | |
769 | ||
fffd0934 JB |
770 | static struct cfg80211_cached_keys * |
771 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 772 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
773 | { |
774 | struct key_parse parse; | |
775 | struct nlattr *key; | |
776 | struct cfg80211_cached_keys *result; | |
777 | int rem, err, def = 0; | |
778 | ||
779 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
780 | if (!result) | |
781 | return ERR_PTR(-ENOMEM); | |
782 | ||
783 | result->def = -1; | |
784 | result->defmgmt = -1; | |
785 | ||
786 | nla_for_each_nested(key, keys, rem) { | |
787 | memset(&parse, 0, sizeof(parse)); | |
788 | parse.idx = -1; | |
789 | ||
790 | err = nl80211_parse_key_new(key, &parse); | |
791 | if (err) | |
792 | goto error; | |
793 | err = -EINVAL; | |
794 | if (!parse.p.key) | |
795 | goto error; | |
796 | if (parse.idx < 0 || parse.idx > 4) | |
797 | goto error; | |
798 | if (parse.def) { | |
799 | if (def) | |
800 | goto error; | |
801 | def = 1; | |
802 | result->def = parse.idx; | |
dbd2fd65 JB |
803 | if (!parse.def_uni || !parse.def_multi) |
804 | goto error; | |
fffd0934 JB |
805 | } else if (parse.defmgmt) |
806 | goto error; | |
807 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 808 | parse.idx, false, NULL); |
fffd0934 JB |
809 | if (err) |
810 | goto error; | |
811 | result->params[parse.idx].cipher = parse.p.cipher; | |
812 | result->params[parse.idx].key_len = parse.p.key_len; | |
813 | result->params[parse.idx].key = result->data[parse.idx]; | |
814 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
815 | |
816 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
817 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
818 | if (no_ht) | |
819 | *no_ht = true; | |
820 | } | |
fffd0934 JB |
821 | } |
822 | ||
823 | return result; | |
824 | error: | |
825 | kfree(result); | |
826 | return ERR_PTR(err); | |
827 | } | |
828 | ||
829 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
830 | { | |
831 | ASSERT_WDEV_LOCK(wdev); | |
832 | ||
fffd0934 JB |
833 | switch (wdev->iftype) { |
834 | case NL80211_IFTYPE_AP: | |
835 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 836 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 837 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
838 | break; |
839 | case NL80211_IFTYPE_ADHOC: | |
840 | if (!wdev->current_bss) | |
841 | return -ENOLINK; | |
842 | break; | |
843 | case NL80211_IFTYPE_STATION: | |
074ac8df | 844 | case NL80211_IFTYPE_P2P_CLIENT: |
fffd0934 JB |
845 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
846 | return -ENOLINK; | |
847 | break; | |
848 | default: | |
849 | return -EINVAL; | |
850 | } | |
851 | ||
852 | return 0; | |
853 | } | |
854 | ||
7527a782 JB |
855 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
856 | { | |
857 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
858 | int i; | |
859 | ||
860 | if (!nl_modes) | |
861 | goto nla_put_failure; | |
862 | ||
863 | i = 0; | |
864 | while (ifmodes) { | |
9360ffd1 DM |
865 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
866 | goto nla_put_failure; | |
7527a782 JB |
867 | ifmodes >>= 1; |
868 | i++; | |
869 | } | |
870 | ||
871 | nla_nest_end(msg, nl_modes); | |
872 | return 0; | |
873 | ||
874 | nla_put_failure: | |
875 | return -ENOBUFS; | |
876 | } | |
877 | ||
878 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
879 | struct sk_buff *msg, |
880 | bool large) | |
7527a782 JB |
881 | { |
882 | struct nlattr *nl_combis; | |
883 | int i, j; | |
884 | ||
885 | nl_combis = nla_nest_start(msg, | |
886 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
887 | if (!nl_combis) | |
888 | goto nla_put_failure; | |
889 | ||
890 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
891 | const struct ieee80211_iface_combination *c; | |
892 | struct nlattr *nl_combi, *nl_limits; | |
893 | ||
894 | c = &wiphy->iface_combinations[i]; | |
895 | ||
896 | nl_combi = nla_nest_start(msg, i + 1); | |
897 | if (!nl_combi) | |
898 | goto nla_put_failure; | |
899 | ||
900 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
901 | if (!nl_limits) | |
902 | goto nla_put_failure; | |
903 | ||
904 | for (j = 0; j < c->n_limits; j++) { | |
905 | struct nlattr *nl_limit; | |
906 | ||
907 | nl_limit = nla_nest_start(msg, j + 1); | |
908 | if (!nl_limit) | |
909 | goto nla_put_failure; | |
9360ffd1 DM |
910 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
911 | c->limits[j].max)) | |
912 | goto nla_put_failure; | |
7527a782 JB |
913 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
914 | c->limits[j].types)) | |
915 | goto nla_put_failure; | |
916 | nla_nest_end(msg, nl_limit); | |
917 | } | |
918 | ||
919 | nla_nest_end(msg, nl_limits); | |
920 | ||
9360ffd1 DM |
921 | if (c->beacon_int_infra_match && |
922 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
923 | goto nla_put_failure; | |
924 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
925 | c->num_different_channels) || | |
926 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
927 | c->max_interfaces)) | |
928 | goto nla_put_failure; | |
cdc89b97 JB |
929 | if (large && |
930 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, | |
931 | c->radar_detect_widths)) | |
932 | goto nla_put_failure; | |
7527a782 JB |
933 | |
934 | nla_nest_end(msg, nl_combi); | |
935 | } | |
936 | ||
937 | nla_nest_end(msg, nl_combis); | |
938 | ||
939 | return 0; | |
940 | nla_put_failure: | |
941 | return -ENOBUFS; | |
942 | } | |
943 | ||
3713b4e3 | 944 | #ifdef CONFIG_PM |
b56cf720 JB |
945 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
946 | struct sk_buff *msg) | |
947 | { | |
948 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan.tcp; | |
949 | struct nlattr *nl_tcp; | |
950 | ||
951 | if (!tcp) | |
952 | return 0; | |
953 | ||
954 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
955 | if (!nl_tcp) | |
956 | return -ENOBUFS; | |
957 | ||
958 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
959 | tcp->data_payload_max)) | |
960 | return -ENOBUFS; | |
961 | ||
962 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
963 | tcp->data_payload_max)) | |
964 | return -ENOBUFS; | |
965 | ||
966 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
967 | return -ENOBUFS; | |
968 | ||
969 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
970 | sizeof(*tcp->tok), tcp->tok)) | |
971 | return -ENOBUFS; | |
972 | ||
973 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
974 | tcp->data_interval_max)) | |
975 | return -ENOBUFS; | |
976 | ||
977 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
978 | tcp->wake_payload_max)) | |
979 | return -ENOBUFS; | |
980 | ||
981 | nla_nest_end(msg, nl_tcp); | |
982 | return 0; | |
983 | } | |
984 | ||
3713b4e3 | 985 | static int nl80211_send_wowlan(struct sk_buff *msg, |
b56cf720 JB |
986 | struct cfg80211_registered_device *dev, |
987 | bool large) | |
55682965 | 988 | { |
3713b4e3 | 989 | struct nlattr *nl_wowlan; |
55682965 | 990 | |
3713b4e3 JB |
991 | if (!dev->wiphy.wowlan.flags && !dev->wiphy.wowlan.n_patterns) |
992 | return 0; | |
55682965 | 993 | |
3713b4e3 JB |
994 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
995 | if (!nl_wowlan) | |
996 | return -ENOBUFS; | |
9360ffd1 | 997 | |
3713b4e3 JB |
998 | if (((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) && |
999 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || | |
1000 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) && | |
1001 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || | |
1002 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) && | |
1003 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || | |
1004 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && | |
1005 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || | |
1006 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && | |
1007 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || | |
1008 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && | |
1009 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || | |
1010 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && | |
1011 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || | |
1012 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) && | |
1013 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) | |
1014 | return -ENOBUFS; | |
9360ffd1 | 1015 | |
3713b4e3 JB |
1016 | if (dev->wiphy.wowlan.n_patterns) { |
1017 | struct nl80211_wowlan_pattern_support pat = { | |
1018 | .max_patterns = dev->wiphy.wowlan.n_patterns, | |
1019 | .min_pattern_len = dev->wiphy.wowlan.pattern_min_len, | |
1020 | .max_pattern_len = dev->wiphy.wowlan.pattern_max_len, | |
1021 | .max_pkt_offset = dev->wiphy.wowlan.max_pkt_offset, | |
1022 | }; | |
9360ffd1 | 1023 | |
3713b4e3 JB |
1024 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1025 | sizeof(pat), &pat)) | |
1026 | return -ENOBUFS; | |
1027 | } | |
9360ffd1 | 1028 | |
b56cf720 JB |
1029 | if (large && nl80211_send_wowlan_tcp_caps(dev, msg)) |
1030 | return -ENOBUFS; | |
1031 | ||
3713b4e3 | 1032 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1033 | |
3713b4e3 JB |
1034 | return 0; |
1035 | } | |
1036 | #endif | |
9360ffd1 | 1037 | |
3713b4e3 JB |
1038 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1039 | struct ieee80211_supported_band *sband) | |
1040 | { | |
1041 | struct nlattr *nl_rates, *nl_rate; | |
1042 | struct ieee80211_rate *rate; | |
1043 | int i; | |
87bbbe22 | 1044 | |
3713b4e3 JB |
1045 | /* add HT info */ |
1046 | if (sband->ht_cap.ht_supported && | |
1047 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1048 | sizeof(sband->ht_cap.mcs), | |
1049 | &sband->ht_cap.mcs) || | |
1050 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1051 | sband->ht_cap.cap) || | |
1052 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1053 | sband->ht_cap.ampdu_factor) || | |
1054 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1055 | sband->ht_cap.ampdu_density))) | |
1056 | return -ENOBUFS; | |
afe0cbf8 | 1057 | |
3713b4e3 JB |
1058 | /* add VHT info */ |
1059 | if (sband->vht_cap.vht_supported && | |
1060 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1061 | sizeof(sband->vht_cap.vht_mcs), | |
1062 | &sband->vht_cap.vht_mcs) || | |
1063 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1064 | sband->vht_cap.cap))) | |
1065 | return -ENOBUFS; | |
f59ac048 | 1066 | |
3713b4e3 JB |
1067 | /* add bitrates */ |
1068 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1069 | if (!nl_rates) | |
1070 | return -ENOBUFS; | |
ee688b00 | 1071 | |
3713b4e3 JB |
1072 | for (i = 0; i < sband->n_bitrates; i++) { |
1073 | nl_rate = nla_nest_start(msg, i); | |
1074 | if (!nl_rate) | |
1075 | return -ENOBUFS; | |
ee688b00 | 1076 | |
3713b4e3 JB |
1077 | rate = &sband->bitrates[i]; |
1078 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1079 | rate->bitrate)) | |
1080 | return -ENOBUFS; | |
1081 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1082 | nla_put_flag(msg, | |
1083 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1084 | return -ENOBUFS; | |
ee688b00 | 1085 | |
3713b4e3 JB |
1086 | nla_nest_end(msg, nl_rate); |
1087 | } | |
d51626df | 1088 | |
3713b4e3 | 1089 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1090 | |
3713b4e3 JB |
1091 | return 0; |
1092 | } | |
ee688b00 | 1093 | |
3713b4e3 JB |
1094 | static int |
1095 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1096 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1097 | { | |
1098 | u16 stypes; | |
1099 | struct nlattr *nl_ftypes, *nl_ifs; | |
1100 | enum nl80211_iftype ift; | |
1101 | int i; | |
ee688b00 | 1102 | |
3713b4e3 JB |
1103 | if (!mgmt_stypes) |
1104 | return 0; | |
5dab3b8a | 1105 | |
3713b4e3 JB |
1106 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1107 | if (!nl_ifs) | |
1108 | return -ENOBUFS; | |
e2f367f2 | 1109 | |
3713b4e3 JB |
1110 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1111 | nl_ftypes = nla_nest_start(msg, ift); | |
1112 | if (!nl_ftypes) | |
1113 | return -ENOBUFS; | |
1114 | i = 0; | |
1115 | stypes = mgmt_stypes[ift].tx; | |
1116 | while (stypes) { | |
1117 | if ((stypes & 1) && | |
1118 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1119 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1120 | return -ENOBUFS; | |
1121 | stypes >>= 1; | |
1122 | i++; | |
ee688b00 | 1123 | } |
3713b4e3 JB |
1124 | nla_nest_end(msg, nl_ftypes); |
1125 | } | |
ee688b00 | 1126 | |
3713b4e3 | 1127 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1128 | |
3713b4e3 JB |
1129 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1130 | if (!nl_ifs) | |
1131 | return -ENOBUFS; | |
ee688b00 | 1132 | |
3713b4e3 JB |
1133 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1134 | nl_ftypes = nla_nest_start(msg, ift); | |
1135 | if (!nl_ftypes) | |
1136 | return -ENOBUFS; | |
1137 | i = 0; | |
1138 | stypes = mgmt_stypes[ift].rx; | |
1139 | while (stypes) { | |
1140 | if ((stypes & 1) && | |
1141 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1142 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1143 | return -ENOBUFS; | |
1144 | stypes >>= 1; | |
1145 | i++; | |
1146 | } | |
1147 | nla_nest_end(msg, nl_ftypes); | |
1148 | } | |
1149 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1150 | |
3713b4e3 JB |
1151 | return 0; |
1152 | } | |
ee688b00 | 1153 | |
3713b4e3 JB |
1154 | static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, |
1155 | struct sk_buff *msg, u32 portid, u32 seq, | |
1156 | int flags, bool split, long *split_start, | |
1157 | long *band_start, long *chan_start) | |
1158 | { | |
1159 | void *hdr; | |
1160 | struct nlattr *nl_bands, *nl_band; | |
1161 | struct nlattr *nl_freqs, *nl_freq; | |
1162 | struct nlattr *nl_cmds; | |
1163 | enum ieee80211_band band; | |
1164 | struct ieee80211_channel *chan; | |
1165 | int i; | |
1166 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1167 | dev->wiphy.mgmt_stypes; | |
1168 | long start = 0, start_chan = 0, start_band = 0; | |
fe1abafd | 1169 | u32 features; |
ee688b00 | 1170 | |
3713b4e3 JB |
1171 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); |
1172 | if (!hdr) | |
1173 | return -ENOBUFS; | |
ee688b00 | 1174 | |
3713b4e3 JB |
1175 | /* allow always using the variables */ |
1176 | if (!split) { | |
1177 | split_start = &start; | |
1178 | band_start = &start_band; | |
1179 | chan_start = &start_chan; | |
ee688b00 | 1180 | } |
ee688b00 | 1181 | |
3713b4e3 JB |
1182 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) || |
1183 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, | |
1184 | wiphy_name(&dev->wiphy)) || | |
1185 | nla_put_u32(msg, NL80211_ATTR_GENERATION, | |
1186 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1187 | goto nla_put_failure; |
1188 | ||
3713b4e3 JB |
1189 | switch (*split_start) { |
1190 | case 0: | |
1191 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1192 | dev->wiphy.retry_short) || | |
1193 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
1194 | dev->wiphy.retry_long) || | |
1195 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
1196 | dev->wiphy.frag_threshold) || | |
1197 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
1198 | dev->wiphy.rts_threshold) || | |
1199 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, | |
1200 | dev->wiphy.coverage_class) || | |
1201 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, | |
1202 | dev->wiphy.max_scan_ssids) || | |
1203 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, | |
1204 | dev->wiphy.max_sched_scan_ssids) || | |
1205 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, | |
1206 | dev->wiphy.max_scan_ie_len) || | |
1207 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, | |
1208 | dev->wiphy.max_sched_scan_ie_len) || | |
1209 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, | |
1210 | dev->wiphy.max_match_sets)) | |
9360ffd1 | 1211 | goto nla_put_failure; |
3713b4e3 JB |
1212 | |
1213 | if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && | |
1214 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) | |
aa430da4 | 1215 | goto nla_put_failure; |
3713b4e3 JB |
1216 | if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
1217 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) | |
1218 | goto nla_put_failure; | |
1219 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
1220 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) | |
1221 | goto nla_put_failure; | |
1222 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && | |
1223 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) | |
1224 | goto nla_put_failure; | |
1225 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && | |
1226 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) | |
1227 | goto nla_put_failure; | |
1228 | if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && | |
1229 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) | |
9360ffd1 | 1230 | goto nla_put_failure; |
8fdc621d | 1231 | |
3713b4e3 JB |
1232 | (*split_start)++; |
1233 | if (split) | |
1234 | break; | |
1235 | case 1: | |
1236 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1237 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
1238 | dev->wiphy.cipher_suites)) | |
1239 | goto nla_put_failure; | |
4745fc09 | 1240 | |
3713b4e3 JB |
1241 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1242 | dev->wiphy.max_num_pmkids)) | |
1243 | goto nla_put_failure; | |
b23aa676 | 1244 | |
3713b4e3 JB |
1245 | if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
1246 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) | |
9360ffd1 | 1247 | goto nla_put_failure; |
b23aa676 | 1248 | |
3713b4e3 JB |
1249 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1250 | dev->wiphy.available_antennas_tx) || | |
1251 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
1252 | dev->wiphy.available_antennas_rx)) | |
9360ffd1 | 1253 | goto nla_put_failure; |
b23aa676 | 1254 | |
3713b4e3 JB |
1255 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
1256 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
1257 | dev->wiphy.probe_resp_offload)) | |
1258 | goto nla_put_failure; | |
8fdc621d | 1259 | |
3713b4e3 JB |
1260 | if ((dev->wiphy.available_antennas_tx || |
1261 | dev->wiphy.available_antennas_rx) && | |
1262 | dev->ops->get_antenna) { | |
1263 | u32 tx_ant = 0, rx_ant = 0; | |
1264 | int res; | |
1265 | res = rdev_get_antenna(dev, &tx_ant, &rx_ant); | |
1266 | if (!res) { | |
1267 | if (nla_put_u32(msg, | |
1268 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1269 | tx_ant) || | |
1270 | nla_put_u32(msg, | |
1271 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1272 | rx_ant)) | |
1273 | goto nla_put_failure; | |
1274 | } | |
1275 | } | |
a293911d | 1276 | |
3713b4e3 JB |
1277 | (*split_start)++; |
1278 | if (split) | |
1279 | break; | |
1280 | case 2: | |
1281 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1282 | dev->wiphy.interface_modes)) | |
1283 | goto nla_put_failure; | |
1284 | (*split_start)++; | |
1285 | if (split) | |
1286 | break; | |
1287 | case 3: | |
1288 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1289 | if (!nl_bands) | |
1290 | goto nla_put_failure; | |
f7ca38df | 1291 | |
3713b4e3 JB |
1292 | for (band = *band_start; band < IEEE80211_NUM_BANDS; band++) { |
1293 | struct ieee80211_supported_band *sband; | |
2e161f78 | 1294 | |
3713b4e3 | 1295 | sband = dev->wiphy.bands[band]; |
2e161f78 | 1296 | |
3713b4e3 JB |
1297 | if (!sband) |
1298 | continue; | |
1299 | ||
1300 | nl_band = nla_nest_start(msg, band); | |
1301 | if (!nl_band) | |
2e161f78 | 1302 | goto nla_put_failure; |
3713b4e3 JB |
1303 | |
1304 | switch (*chan_start) { | |
1305 | case 0: | |
1306 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1307 | goto nla_put_failure; |
3713b4e3 JB |
1308 | (*chan_start)++; |
1309 | if (split) | |
1310 | break; | |
1311 | default: | |
1312 | /* add frequencies */ | |
1313 | nl_freqs = nla_nest_start( | |
1314 | msg, NL80211_BAND_ATTR_FREQS); | |
1315 | if (!nl_freqs) | |
1316 | goto nla_put_failure; | |
1317 | ||
1318 | for (i = *chan_start - 1; | |
1319 | i < sband->n_channels; | |
1320 | i++) { | |
1321 | nl_freq = nla_nest_start(msg, i); | |
1322 | if (!nl_freq) | |
1323 | goto nla_put_failure; | |
1324 | ||
1325 | chan = &sband->channels[i]; | |
1326 | ||
cdc89b97 JB |
1327 | if (nl80211_msg_put_channel(msg, chan, |
1328 | split)) | |
3713b4e3 JB |
1329 | goto nla_put_failure; |
1330 | ||
1331 | nla_nest_end(msg, nl_freq); | |
1332 | if (split) | |
1333 | break; | |
1334 | } | |
1335 | if (i < sband->n_channels) | |
1336 | *chan_start = i + 2; | |
1337 | else | |
1338 | *chan_start = 0; | |
1339 | nla_nest_end(msg, nl_freqs); | |
1340 | } | |
1341 | ||
1342 | nla_nest_end(msg, nl_band); | |
1343 | ||
1344 | if (split) { | |
1345 | /* start again here */ | |
1346 | if (*chan_start) | |
1347 | band--; | |
1348 | break; | |
2e161f78 | 1349 | } |
2e161f78 | 1350 | } |
3713b4e3 | 1351 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1352 | |
3713b4e3 JB |
1353 | if (band < IEEE80211_NUM_BANDS) |
1354 | *band_start = band + 1; | |
1355 | else | |
1356 | *band_start = 0; | |
74b70a4e | 1357 | |
3713b4e3 JB |
1358 | /* if bands & channels are done, continue outside */ |
1359 | if (*band_start == 0 && *chan_start == 0) | |
1360 | (*split_start)++; | |
1361 | if (split) | |
1362 | break; | |
1363 | case 4: | |
1364 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1365 | if (!nl_cmds) | |
2e161f78 JB |
1366 | goto nla_put_failure; |
1367 | ||
3713b4e3 JB |
1368 | i = 0; |
1369 | #define CMD(op, n) \ | |
1370 | do { \ | |
1371 | if (dev->ops->op) { \ | |
1372 | i++; \ | |
1373 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1374 | goto nla_put_failure; \ | |
1375 | } \ | |
1376 | } while (0) | |
1377 | ||
1378 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1379 | CMD(change_virtual_intf, SET_INTERFACE); | |
1380 | CMD(add_key, NEW_KEY); | |
1381 | CMD(start_ap, START_AP); | |
1382 | CMD(add_station, NEW_STATION); | |
1383 | CMD(add_mpath, NEW_MPATH); | |
1384 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1385 | CMD(change_bss, SET_BSS); | |
1386 | CMD(auth, AUTHENTICATE); | |
1387 | CMD(assoc, ASSOCIATE); | |
1388 | CMD(deauth, DEAUTHENTICATE); | |
1389 | CMD(disassoc, DISASSOCIATE); | |
1390 | CMD(join_ibss, JOIN_IBSS); | |
1391 | CMD(join_mesh, JOIN_MESH); | |
1392 | CMD(set_pmksa, SET_PMKSA); | |
1393 | CMD(del_pmksa, DEL_PMKSA); | |
1394 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1395 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1396 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1397 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1398 | CMD(mgmt_tx, FRAME); | |
1399 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1400 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1401 | i++; | |
1402 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1403 | goto nla_put_failure; |
2e161f78 | 1404 | } |
3713b4e3 JB |
1405 | if (dev->ops->set_monitor_channel || dev->ops->start_ap || |
1406 | dev->ops->join_mesh) { | |
1407 | i++; | |
1408 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1409 | goto nla_put_failure; | |
1410 | } | |
1411 | CMD(set_wds_peer, SET_WDS_PEER); | |
1412 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1413 | CMD(tdls_mgmt, TDLS_MGMT); | |
1414 | CMD(tdls_oper, TDLS_OPER); | |
1415 | } | |
1416 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
1417 | CMD(sched_scan_start, START_SCHED_SCAN); | |
1418 | CMD(probe_client, PROBE_CLIENT); | |
1419 | CMD(set_noack_map, SET_NOACK_MAP); | |
1420 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1421 | i++; | |
1422 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1423 | goto nla_put_failure; | |
1424 | } | |
1425 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1426 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
5de17984 AS |
1427 | if (split) { |
1428 | CMD(crit_proto_start, CRIT_PROTOCOL_START); | |
1429 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1430 | } | |
2e161f78 | 1431 | |
3713b4e3 JB |
1432 | #ifdef CONFIG_NL80211_TESTMODE |
1433 | CMD(testmode_cmd, TESTMODE); | |
1434 | #endif | |
ff1b6e69 | 1435 | |
3713b4e3 | 1436 | #undef CMD |
ff1b6e69 | 1437 | |
3713b4e3 JB |
1438 | if (dev->ops->connect || dev->ops->auth) { |
1439 | i++; | |
1440 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1441 | goto nla_put_failure; |
ff1b6e69 JB |
1442 | } |
1443 | ||
3713b4e3 JB |
1444 | if (dev->ops->disconnect || dev->ops->deauth) { |
1445 | i++; | |
1446 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1447 | goto nla_put_failure; | |
1448 | } | |
1449 | ||
1450 | nla_nest_end(msg, nl_cmds); | |
1451 | (*split_start)++; | |
1452 | if (split) | |
1453 | break; | |
1454 | case 5: | |
1455 | if (dev->ops->remain_on_channel && | |
1456 | (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
1457 | nla_put_u32(msg, | |
1458 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1459 | dev->wiphy.max_remain_on_channel_duration)) | |
1460 | goto nla_put_failure; | |
1461 | ||
1462 | if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && | |
1463 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) | |
1464 | goto nla_put_failure; | |
1465 | ||
1466 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1467 | goto nla_put_failure; | |
1468 | (*split_start)++; | |
1469 | if (split) | |
1470 | break; | |
1471 | case 6: | |
1472 | #ifdef CONFIG_PM | |
b56cf720 | 1473 | if (nl80211_send_wowlan(msg, dev, split)) |
3713b4e3 JB |
1474 | goto nla_put_failure; |
1475 | (*split_start)++; | |
1476 | if (split) | |
1477 | break; | |
1478 | #else | |
1479 | (*split_start)++; | |
dfb89c56 | 1480 | #endif |
3713b4e3 JB |
1481 | case 7: |
1482 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1483 | dev->wiphy.software_iftypes)) | |
1484 | goto nla_put_failure; | |
ff1b6e69 | 1485 | |
cdc89b97 | 1486 | if (nl80211_put_iface_combinations(&dev->wiphy, msg, split)) |
3713b4e3 | 1487 | goto nla_put_failure; |
7527a782 | 1488 | |
3713b4e3 JB |
1489 | (*split_start)++; |
1490 | if (split) | |
1491 | break; | |
1492 | case 8: | |
1493 | if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && | |
1494 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1495 | dev->wiphy.ap_sme_capa)) | |
1496 | goto nla_put_failure; | |
7527a782 | 1497 | |
fe1abafd JB |
1498 | features = dev->wiphy.features; |
1499 | /* | |
1500 | * We can only add the per-channel limit information if the | |
1501 | * dump is split, otherwise it makes it too big. Therefore | |
1502 | * only advertise it in that case. | |
1503 | */ | |
1504 | if (split) | |
1505 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; | |
1506 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1507 | goto nla_put_failure; |
562a7480 | 1508 | |
3713b4e3 JB |
1509 | if (dev->wiphy.ht_capa_mod_mask && |
1510 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1511 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1512 | dev->wiphy.ht_capa_mod_mask)) | |
1513 | goto nla_put_failure; | |
1f074bd8 | 1514 | |
3713b4e3 JB |
1515 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1516 | dev->wiphy.max_acl_mac_addrs && | |
1517 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, | |
1518 | dev->wiphy.max_acl_mac_addrs)) | |
1519 | goto nla_put_failure; | |
7e7c8926 | 1520 | |
3713b4e3 JB |
1521 | /* |
1522 | * Any information below this point is only available to | |
1523 | * applications that can deal with it being split. This | |
1524 | * helps ensure that newly added capabilities don't break | |
1525 | * older tools by overrunning their buffers. | |
1526 | * | |
1527 | * We still increment split_start so that in the split | |
1528 | * case we'll continue with more data in the next round, | |
1529 | * but break unconditionally so unsplit data stops here. | |
1530 | */ | |
1531 | (*split_start)++; | |
1532 | break; | |
1533 | case 9: | |
fe1abafd JB |
1534 | if (dev->wiphy.extended_capabilities && |
1535 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1536 | dev->wiphy.extended_capabilities_len, | |
1537 | dev->wiphy.extended_capabilities) || | |
1538 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1539 | dev->wiphy.extended_capabilities_len, | |
1540 | dev->wiphy.extended_capabilities_mask))) | |
1541 | goto nla_put_failure; | |
a50df0c4 | 1542 | |
ee2aca34 JB |
1543 | if (dev->wiphy.vht_capa_mod_mask && |
1544 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, | |
1545 | sizeof(*dev->wiphy.vht_capa_mod_mask), | |
1546 | dev->wiphy.vht_capa_mod_mask)) | |
1547 | goto nla_put_failure; | |
1548 | ||
3713b4e3 JB |
1549 | /* done */ |
1550 | *split_start = 0; | |
1551 | break; | |
1552 | } | |
55682965 JB |
1553 | return genlmsg_end(msg, hdr); |
1554 | ||
1555 | nla_put_failure: | |
bc3ed28c TG |
1556 | genlmsg_cancel(msg, hdr); |
1557 | return -EMSGSIZE; | |
55682965 JB |
1558 | } |
1559 | ||
1560 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) | |
1561 | { | |
645e77de | 1562 | int idx = 0, ret; |
55682965 JB |
1563 | int start = cb->args[0]; |
1564 | struct cfg80211_registered_device *dev; | |
3713b4e3 JB |
1565 | s64 filter_wiphy = -1; |
1566 | bool split = false; | |
1567 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1568 | int res; | |
55682965 | 1569 | |
a1794390 | 1570 | mutex_lock(&cfg80211_mutex); |
3713b4e3 JB |
1571 | res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
1572 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1573 | if (res == 0) { | |
1574 | split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1575 | if (tb[NL80211_ATTR_WIPHY]) | |
1576 | filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1577 | if (tb[NL80211_ATTR_WDEV]) | |
1578 | filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1579 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1580 | struct net_device *netdev; | |
1581 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1582 | ||
1583 | netdev = dev_get_by_index(sock_net(skb->sk), ifidx); | |
1584 | if (!netdev) { | |
1585 | mutex_unlock(&cfg80211_mutex); | |
1586 | return -ENODEV; | |
1587 | } | |
1588 | if (netdev->ieee80211_ptr) { | |
1589 | dev = wiphy_to_dev( | |
1590 | netdev->ieee80211_ptr->wiphy); | |
1591 | filter_wiphy = dev->wiphy_idx; | |
1592 | } | |
1593 | dev_put(netdev); | |
1594 | } | |
1595 | } | |
1596 | ||
79c97e97 | 1597 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1598 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1599 | continue; | |
b4637271 | 1600 | if (++idx <= start) |
55682965 | 1601 | continue; |
3713b4e3 JB |
1602 | if (filter_wiphy != -1 && dev->wiphy_idx != filter_wiphy) |
1603 | continue; | |
1604 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1605 | do { | |
1606 | ret = nl80211_send_wiphy(dev, skb, | |
1607 | NETLINK_CB(cb->skb).portid, | |
1608 | cb->nlh->nlmsg_seq, | |
1609 | NLM_F_MULTI, | |
1610 | split, &cb->args[1], | |
1611 | &cb->args[2], | |
1612 | &cb->args[3]); | |
1613 | if (ret < 0) { | |
1614 | /* | |
1615 | * If sending the wiphy data didn't fit (ENOBUFS | |
1616 | * or EMSGSIZE returned), this SKB is still | |
1617 | * empty (so it's not too big because another | |
1618 | * wiphy dataset is already in the skb) and | |
1619 | * we've not tried to adjust the dump allocation | |
1620 | * yet ... then adjust the alloc size to be | |
1621 | * bigger, and return 1 but with the empty skb. | |
1622 | * This results in an empty message being RX'ed | |
1623 | * in userspace, but that is ignored. | |
1624 | * | |
1625 | * We can then retry with the larger buffer. | |
1626 | */ | |
1627 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
1628 | !skb->len && | |
1629 | cb->min_dump_alloc < 4096) { | |
1630 | cb->min_dump_alloc = 4096; | |
1631 | mutex_unlock(&cfg80211_mutex); | |
1632 | return 1; | |
1633 | } | |
1634 | idx--; | |
1635 | break; | |
645e77de | 1636 | } |
3713b4e3 JB |
1637 | } while (cb->args[1] > 0); |
1638 | break; | |
55682965 | 1639 | } |
a1794390 | 1640 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1641 | |
1642 | cb->args[0] = idx; | |
1643 | ||
1644 | return skb->len; | |
1645 | } | |
1646 | ||
1647 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) | |
1648 | { | |
1649 | struct sk_buff *msg; | |
4c476991 | 1650 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
55682965 | 1651 | |
645e77de | 1652 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1653 | if (!msg) |
4c476991 | 1654 | return -ENOMEM; |
55682965 | 1655 | |
3713b4e3 JB |
1656 | if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0, |
1657 | false, NULL, NULL, NULL) < 0) { | |
4c476991 JB |
1658 | nlmsg_free(msg); |
1659 | return -ENOBUFS; | |
1660 | } | |
55682965 | 1661 | |
134e6375 | 1662 | return genlmsg_reply(msg, info); |
55682965 JB |
1663 | } |
1664 | ||
31888487 JM |
1665 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1666 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1667 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1668 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1669 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1670 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1671 | }; | |
1672 | ||
1673 | static int parse_txq_params(struct nlattr *tb[], | |
1674 | struct ieee80211_txq_params *txq_params) | |
1675 | { | |
a3304b0a | 1676 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1677 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1678 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1679 | return -EINVAL; | |
1680 | ||
a3304b0a | 1681 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1682 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1683 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1684 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1685 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1686 | ||
a3304b0a JB |
1687 | if (txq_params->ac >= NL80211_NUM_ACS) |
1688 | return -EINVAL; | |
1689 | ||
31888487 JM |
1690 | return 0; |
1691 | } | |
1692 | ||
f444de05 JB |
1693 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1694 | { | |
1695 | /* | |
cc1d2806 JB |
1696 | * You can only set the channel explicitly for WDS interfaces, |
1697 | * all others have their channel managed via their respective | |
1698 | * "establish a connection" command (connect, join, ...) | |
1699 | * | |
1700 | * For AP/GO and mesh mode, the channel can be set with the | |
1701 | * channel userspace API, but is only stored and passed to the | |
1702 | * low-level driver when the AP starts or the mesh is joined. | |
1703 | * This is for backward compatibility, userspace can also give | |
1704 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1705 | * |
1706 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1707 | * whatever else is going on, so they have their own special |
1708 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1709 | */ |
1710 | return !wdev || | |
1711 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1712 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1713 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1714 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1715 | } |
1716 | ||
683b6d3b JB |
1717 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1718 | struct genl_info *info, | |
1719 | struct cfg80211_chan_def *chandef) | |
1720 | { | |
dbeca2ea | 1721 | u32 control_freq; |
683b6d3b JB |
1722 | |
1723 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1724 | return -EINVAL; | |
1725 | ||
1726 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1727 | ||
1728 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1729 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1730 | chandef->center_freq1 = control_freq; | |
1731 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1732 | |
1733 | /* Primary channel not allowed */ | |
1734 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1735 | return -EINVAL; | |
1736 | ||
3d9d1d66 JB |
1737 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1738 | enum nl80211_channel_type chantype; | |
1739 | ||
1740 | chantype = nla_get_u32( | |
1741 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1742 | ||
1743 | switch (chantype) { | |
1744 | case NL80211_CHAN_NO_HT: | |
1745 | case NL80211_CHAN_HT20: | |
1746 | case NL80211_CHAN_HT40PLUS: | |
1747 | case NL80211_CHAN_HT40MINUS: | |
1748 | cfg80211_chandef_create(chandef, chandef->chan, | |
1749 | chantype); | |
1750 | break; | |
1751 | default: | |
1752 | return -EINVAL; | |
1753 | } | |
1754 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1755 | chandef->width = | |
1756 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1757 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1758 | chandef->center_freq1 = | |
1759 | nla_get_u32( | |
1760 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1761 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1762 | chandef->center_freq2 = | |
1763 | nla_get_u32( | |
1764 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1765 | } | |
1766 | ||
9f5e8f6e | 1767 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1768 | return -EINVAL; |
1769 | ||
9f5e8f6e JB |
1770 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1771 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1772 | return -EINVAL; |
1773 | ||
683b6d3b JB |
1774 | return 0; |
1775 | } | |
1776 | ||
f444de05 JB |
1777 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
1778 | struct wireless_dev *wdev, | |
1779 | struct genl_info *info) | |
1780 | { | |
683b6d3b | 1781 | struct cfg80211_chan_def chandef; |
f444de05 | 1782 | int result; |
e8c9bd5b JB |
1783 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
1784 | ||
1785 | if (wdev) | |
1786 | iftype = wdev->iftype; | |
f444de05 | 1787 | |
f444de05 JB |
1788 | if (!nl80211_can_set_dev_channel(wdev)) |
1789 | return -EOPNOTSUPP; | |
1790 | ||
683b6d3b JB |
1791 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1792 | if (result) | |
1793 | return result; | |
f444de05 JB |
1794 | |
1795 | mutex_lock(&rdev->devlist_mtx); | |
e8c9bd5b | 1796 | switch (iftype) { |
aa430da4 JB |
1797 | case NL80211_IFTYPE_AP: |
1798 | case NL80211_IFTYPE_P2P_GO: | |
1799 | if (wdev->beacon_interval) { | |
1800 | result = -EBUSY; | |
1801 | break; | |
1802 | } | |
683b6d3b | 1803 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) { |
aa430da4 JB |
1804 | result = -EINVAL; |
1805 | break; | |
1806 | } | |
683b6d3b | 1807 | wdev->preset_chandef = chandef; |
aa430da4 JB |
1808 | result = 0; |
1809 | break; | |
cc1d2806 | 1810 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 1811 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 1812 | break; |
e8c9bd5b | 1813 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 1814 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 1815 | break; |
aa430da4 | 1816 | default: |
e8c9bd5b | 1817 | result = -EINVAL; |
f444de05 JB |
1818 | } |
1819 | mutex_unlock(&rdev->devlist_mtx); | |
1820 | ||
1821 | return result; | |
1822 | } | |
1823 | ||
1824 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1825 | { | |
4c476991 JB |
1826 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1827 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1828 | |
4c476991 | 1829 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1830 | } |
1831 | ||
e8347eba BJ |
1832 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1833 | { | |
43b19952 JB |
1834 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1835 | struct net_device *dev = info->user_ptr[1]; | |
1836 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1837 | const u8 *bssid; |
e8347eba BJ |
1838 | |
1839 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1840 | return -EINVAL; | |
1841 | ||
43b19952 JB |
1842 | if (netif_running(dev)) |
1843 | return -EBUSY; | |
e8347eba | 1844 | |
43b19952 JB |
1845 | if (!rdev->ops->set_wds_peer) |
1846 | return -EOPNOTSUPP; | |
e8347eba | 1847 | |
43b19952 JB |
1848 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1849 | return -EOPNOTSUPP; | |
e8347eba BJ |
1850 | |
1851 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 1852 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
1853 | } |
1854 | ||
1855 | ||
55682965 JB |
1856 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1857 | { | |
1858 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1859 | struct net_device *netdev = NULL; |
1860 | struct wireless_dev *wdev; | |
a1e567c8 | 1861 | int result = 0, rem_txq_params = 0; |
31888487 | 1862 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1863 | u32 changed; |
1864 | u8 retry_short = 0, retry_long = 0; | |
1865 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1866 | u8 coverage_class = 0; |
55682965 | 1867 | |
f444de05 JB |
1868 | /* |
1869 | * Try to find the wiphy and netdev. Normally this | |
1870 | * function shouldn't need the netdev, but this is | |
1871 | * done for backward compatibility -- previously | |
1872 | * setting the channel was done per wiphy, but now | |
1873 | * it is per netdev. Previous userland like hostapd | |
1874 | * also passed a netdev to set_wiphy, so that it is | |
1875 | * possible to let that go to the right netdev! | |
1876 | */ | |
4bbf4d56 JB |
1877 | mutex_lock(&cfg80211_mutex); |
1878 | ||
f444de05 JB |
1879 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1880 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1881 | ||
1882 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
1883 | if (netdev && netdev->ieee80211_ptr) { | |
1884 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); | |
1885 | mutex_lock(&rdev->mtx); | |
1886 | } else | |
1887 | netdev = NULL; | |
4bbf4d56 JB |
1888 | } |
1889 | ||
f444de05 | 1890 | if (!netdev) { |
878d9ec7 JB |
1891 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
1892 | info->attrs); | |
f444de05 JB |
1893 | if (IS_ERR(rdev)) { |
1894 | mutex_unlock(&cfg80211_mutex); | |
4c476991 | 1895 | return PTR_ERR(rdev); |
f444de05 JB |
1896 | } |
1897 | wdev = NULL; | |
1898 | netdev = NULL; | |
1899 | result = 0; | |
1900 | ||
1901 | mutex_lock(&rdev->mtx); | |
71fe96bf | 1902 | } else |
f444de05 | 1903 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
1904 | |
1905 | /* | |
1906 | * end workaround code, by now the rdev is available | |
1907 | * and locked, and wdev may or may not be NULL. | |
1908 | */ | |
4bbf4d56 JB |
1909 | |
1910 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1911 | result = cfg80211_dev_rename( |
1912 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 JB |
1913 | |
1914 | mutex_unlock(&cfg80211_mutex); | |
1915 | ||
1916 | if (result) | |
1917 | goto bad_res; | |
31888487 JM |
1918 | |
1919 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1920 | struct ieee80211_txq_params txq_params; | |
1921 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1922 | ||
1923 | if (!rdev->ops->set_txq_params) { | |
1924 | result = -EOPNOTSUPP; | |
1925 | goto bad_res; | |
1926 | } | |
1927 | ||
f70f01c2 EP |
1928 | if (!netdev) { |
1929 | result = -EINVAL; | |
1930 | goto bad_res; | |
1931 | } | |
1932 | ||
133a3ff2 JB |
1933 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
1934 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
1935 | result = -EINVAL; | |
1936 | goto bad_res; | |
1937 | } | |
1938 | ||
2b5f8b0b JB |
1939 | if (!netif_running(netdev)) { |
1940 | result = -ENETDOWN; | |
1941 | goto bad_res; | |
1942 | } | |
1943 | ||
31888487 JM |
1944 | nla_for_each_nested(nl_txq_params, |
1945 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
1946 | rem_txq_params) { | |
1947 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
1948 | nla_data(nl_txq_params), | |
1949 | nla_len(nl_txq_params), | |
1950 | txq_params_policy); | |
1951 | result = parse_txq_params(tb, &txq_params); | |
1952 | if (result) | |
1953 | goto bad_res; | |
1954 | ||
e35e4d28 HG |
1955 | result = rdev_set_txq_params(rdev, netdev, |
1956 | &txq_params); | |
31888487 JM |
1957 | if (result) |
1958 | goto bad_res; | |
1959 | } | |
1960 | } | |
55682965 | 1961 | |
72bdcf34 | 1962 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
71fe96bf JB |
1963 | result = __nl80211_set_channel(rdev, |
1964 | nl80211_can_set_dev_channel(wdev) ? wdev : NULL, | |
1965 | info); | |
72bdcf34 JM |
1966 | if (result) |
1967 | goto bad_res; | |
1968 | } | |
1969 | ||
98d2ff8b | 1970 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 1971 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
1972 | enum nl80211_tx_power_setting type; |
1973 | int idx, mbm = 0; | |
1974 | ||
c8442118 JB |
1975 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
1976 | txp_wdev = NULL; | |
1977 | ||
98d2ff8b | 1978 | if (!rdev->ops->set_tx_power) { |
60ea385f | 1979 | result = -EOPNOTSUPP; |
98d2ff8b JO |
1980 | goto bad_res; |
1981 | } | |
1982 | ||
1983 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
1984 | type = nla_get_u32(info->attrs[idx]); | |
1985 | ||
1986 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
1987 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
1988 | result = -EINVAL; | |
1989 | goto bad_res; | |
1990 | } | |
1991 | ||
1992 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
1993 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
1994 | mbm = nla_get_u32(info->attrs[idx]); | |
1995 | } | |
1996 | ||
c8442118 | 1997 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b JO |
1998 | if (result) |
1999 | goto bad_res; | |
2000 | } | |
2001 | ||
afe0cbf8 BR |
2002 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2003 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2004 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2005 | if ((!rdev->wiphy.available_antennas_tx && |
2006 | !rdev->wiphy.available_antennas_rx) || | |
2007 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
2008 | result = -EOPNOTSUPP; |
2009 | goto bad_res; | |
2010 | } | |
2011 | ||
2012 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2013 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2014 | ||
a7ffac95 | 2015 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2016 | * available antenna masks, except for the "all" mask */ |
2017 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
2018 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
2019 | result = -EINVAL; |
2020 | goto bad_res; | |
2021 | } | |
2022 | ||
7f531e03 BR |
2023 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2024 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2025 | |
e35e4d28 | 2026 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 BR |
2027 | if (result) |
2028 | goto bad_res; | |
2029 | } | |
2030 | ||
b9a5f8ca JM |
2031 | changed = 0; |
2032 | ||
2033 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2034 | retry_short = nla_get_u8( | |
2035 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
2036 | if (retry_short == 0) { | |
2037 | result = -EINVAL; | |
2038 | goto bad_res; | |
2039 | } | |
2040 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
2041 | } | |
2042 | ||
2043 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2044 | retry_long = nla_get_u8( | |
2045 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
2046 | if (retry_long == 0) { | |
2047 | result = -EINVAL; | |
2048 | goto bad_res; | |
2049 | } | |
2050 | changed |= WIPHY_PARAM_RETRY_LONG; | |
2051 | } | |
2052 | ||
2053 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2054 | frag_threshold = nla_get_u32( | |
2055 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
2056 | if (frag_threshold < 256) { | |
2057 | result = -EINVAL; | |
2058 | goto bad_res; | |
2059 | } | |
2060 | if (frag_threshold != (u32) -1) { | |
2061 | /* | |
2062 | * Fragments (apart from the last one) are required to | |
2063 | * have even length. Make the fragmentation code | |
2064 | * simpler by stripping LSB should someone try to use | |
2065 | * odd threshold value. | |
2066 | */ | |
2067 | frag_threshold &= ~0x1; | |
2068 | } | |
2069 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2070 | } | |
2071 | ||
2072 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2073 | rts_threshold = nla_get_u32( | |
2074 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2075 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2076 | } | |
2077 | ||
81077e82 LT |
2078 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
2079 | coverage_class = nla_get_u8( | |
2080 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2081 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2082 | } | |
2083 | ||
b9a5f8ca JM |
2084 | if (changed) { |
2085 | u8 old_retry_short, old_retry_long; | |
2086 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2087 | u8 old_coverage_class; |
b9a5f8ca JM |
2088 | |
2089 | if (!rdev->ops->set_wiphy_params) { | |
2090 | result = -EOPNOTSUPP; | |
2091 | goto bad_res; | |
2092 | } | |
2093 | ||
2094 | old_retry_short = rdev->wiphy.retry_short; | |
2095 | old_retry_long = rdev->wiphy.retry_long; | |
2096 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2097 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2098 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2099 | |
2100 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2101 | rdev->wiphy.retry_short = retry_short; | |
2102 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2103 | rdev->wiphy.retry_long = retry_long; | |
2104 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2105 | rdev->wiphy.frag_threshold = frag_threshold; | |
2106 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2107 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2108 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2109 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2110 | |
e35e4d28 | 2111 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2112 | if (result) { |
2113 | rdev->wiphy.retry_short = old_retry_short; | |
2114 | rdev->wiphy.retry_long = old_retry_long; | |
2115 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2116 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2117 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2118 | } |
2119 | } | |
72bdcf34 | 2120 | |
306d6112 | 2121 | bad_res: |
4bbf4d56 | 2122 | mutex_unlock(&rdev->mtx); |
f444de05 JB |
2123 | if (netdev) |
2124 | dev_put(netdev); | |
55682965 JB |
2125 | return result; |
2126 | } | |
2127 | ||
71bbc994 JB |
2128 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2129 | { | |
2130 | return (u64)wdev->identifier | | |
2131 | ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); | |
2132 | } | |
55682965 | 2133 | |
683b6d3b JB |
2134 | static int nl80211_send_chandef(struct sk_buff *msg, |
2135 | struct cfg80211_chan_def *chandef) | |
2136 | { | |
9f5e8f6e | 2137 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2138 | |
683b6d3b JB |
2139 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2140 | chandef->chan->center_freq)) | |
2141 | return -ENOBUFS; | |
3d9d1d66 JB |
2142 | switch (chandef->width) { |
2143 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2144 | case NL80211_CHAN_WIDTH_20: | |
2145 | case NL80211_CHAN_WIDTH_40: | |
2146 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2147 | cfg80211_get_chandef_type(chandef))) | |
2148 | return -ENOBUFS; | |
2149 | break; | |
2150 | default: | |
2151 | break; | |
2152 | } | |
2153 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2154 | return -ENOBUFS; | |
2155 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2156 | return -ENOBUFS; | |
2157 | if (chandef->center_freq2 && | |
2158 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2159 | return -ENOBUFS; |
2160 | return 0; | |
2161 | } | |
2162 | ||
15e47304 | 2163 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2164 | struct cfg80211_registered_device *rdev, |
72fb2abc | 2165 | struct wireless_dev *wdev) |
55682965 | 2166 | { |
72fb2abc | 2167 | struct net_device *dev = wdev->netdev; |
55682965 JB |
2168 | void *hdr; |
2169 | ||
15e47304 | 2170 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
2171 | if (!hdr) |
2172 | return -1; | |
2173 | ||
72fb2abc JB |
2174 | if (dev && |
2175 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2176 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2177 | goto nla_put_failure; |
2178 | ||
2179 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2180 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2181 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2182 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2183 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2184 | rdev->devlist_generation ^ | |
2185 | (cfg80211_rdev_list_generation << 2))) | |
2186 | goto nla_put_failure; | |
f5ea9120 | 2187 | |
5b7ccaf3 | 2188 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2189 | int ret; |
2190 | struct cfg80211_chan_def chandef; | |
2191 | ||
2192 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2193 | if (ret == 0) { | |
2194 | if (nl80211_send_chandef(msg, &chandef)) | |
2195 | goto nla_put_failure; | |
2196 | } | |
d91df0e3 PF |
2197 | } |
2198 | ||
b84e7a05 AQ |
2199 | if (wdev->ssid_len) { |
2200 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2201 | goto nla_put_failure; | |
2202 | } | |
2203 | ||
55682965 JB |
2204 | return genlmsg_end(msg, hdr); |
2205 | ||
2206 | nla_put_failure: | |
bc3ed28c TG |
2207 | genlmsg_cancel(msg, hdr); |
2208 | return -EMSGSIZE; | |
55682965 JB |
2209 | } |
2210 | ||
2211 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2212 | { | |
2213 | int wp_idx = 0; | |
2214 | int if_idx = 0; | |
2215 | int wp_start = cb->args[0]; | |
2216 | int if_start = cb->args[1]; | |
f5ea9120 | 2217 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2218 | struct wireless_dev *wdev; |
2219 | ||
a1794390 | 2220 | mutex_lock(&cfg80211_mutex); |
f5ea9120 JB |
2221 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2222 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2223 | continue; |
bba95fef JB |
2224 | if (wp_idx < wp_start) { |
2225 | wp_idx++; | |
55682965 | 2226 | continue; |
bba95fef | 2227 | } |
55682965 JB |
2228 | if_idx = 0; |
2229 | ||
f5ea9120 | 2230 | mutex_lock(&rdev->devlist_mtx); |
89a54e48 | 2231 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2232 | if (if_idx < if_start) { |
2233 | if_idx++; | |
55682965 | 2234 | continue; |
bba95fef | 2235 | } |
15e47304 | 2236 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2237 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 2238 | rdev, wdev) < 0) { |
f5ea9120 | 2239 | mutex_unlock(&rdev->devlist_mtx); |
bba95fef JB |
2240 | goto out; |
2241 | } | |
2242 | if_idx++; | |
55682965 | 2243 | } |
f5ea9120 | 2244 | mutex_unlock(&rdev->devlist_mtx); |
bba95fef JB |
2245 | |
2246 | wp_idx++; | |
55682965 | 2247 | } |
bba95fef | 2248 | out: |
a1794390 | 2249 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
2250 | |
2251 | cb->args[0] = wp_idx; | |
2252 | cb->args[1] = if_idx; | |
2253 | ||
2254 | return skb->len; | |
2255 | } | |
2256 | ||
2257 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2258 | { | |
2259 | struct sk_buff *msg; | |
4c476991 | 2260 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
72fb2abc | 2261 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2262 | |
fd2120ca | 2263 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2264 | if (!msg) |
4c476991 | 2265 | return -ENOMEM; |
55682965 | 2266 | |
15e47304 | 2267 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
72fb2abc | 2268 | dev, wdev) < 0) { |
4c476991 JB |
2269 | nlmsg_free(msg); |
2270 | return -ENOBUFS; | |
2271 | } | |
55682965 | 2272 | |
134e6375 | 2273 | return genlmsg_reply(msg, info); |
55682965 JB |
2274 | } |
2275 | ||
66f7ac50 MW |
2276 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2277 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2278 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2279 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2280 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2281 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
2282 | }; | |
2283 | ||
2284 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2285 | { | |
2286 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2287 | int flag; | |
2288 | ||
2289 | *mntrflags = 0; | |
2290 | ||
2291 | if (!nla) | |
2292 | return -EINVAL; | |
2293 | ||
2294 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2295 | nla, mntr_flags_policy)) | |
2296 | return -EINVAL; | |
2297 | ||
2298 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2299 | if (flags[flag]) | |
2300 | *mntrflags |= (1<<flag); | |
2301 | ||
2302 | return 0; | |
2303 | } | |
2304 | ||
9bc383de | 2305 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2306 | struct net_device *netdev, u8 use_4addr, |
2307 | enum nl80211_iftype iftype) | |
9bc383de | 2308 | { |
ad4bb6f8 | 2309 | if (!use_4addr) { |
f350a0a8 | 2310 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2311 | return -EBUSY; |
9bc383de | 2312 | return 0; |
ad4bb6f8 | 2313 | } |
9bc383de JB |
2314 | |
2315 | switch (iftype) { | |
2316 | case NL80211_IFTYPE_AP_VLAN: | |
2317 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2318 | return 0; | |
2319 | break; | |
2320 | case NL80211_IFTYPE_STATION: | |
2321 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2322 | return 0; | |
2323 | break; | |
2324 | default: | |
2325 | break; | |
2326 | } | |
2327 | ||
2328 | return -EOPNOTSUPP; | |
2329 | } | |
2330 | ||
55682965 JB |
2331 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2332 | { | |
4c476991 | 2333 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2334 | struct vif_params params; |
e36d56b6 | 2335 | int err; |
04a773ad | 2336 | enum nl80211_iftype otype, ntype; |
4c476991 | 2337 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2338 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2339 | bool change = false; |
55682965 | 2340 | |
2ec600d6 LCC |
2341 | memset(¶ms, 0, sizeof(params)); |
2342 | ||
04a773ad | 2343 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2344 | |
723b038d | 2345 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2346 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2347 | if (otype != ntype) |
ac7f9cfa | 2348 | change = true; |
4c476991 JB |
2349 | if (ntype > NL80211_IFTYPE_MAX) |
2350 | return -EINVAL; | |
723b038d JB |
2351 | } |
2352 | ||
92ffe055 | 2353 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2354 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2355 | ||
4c476991 JB |
2356 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2357 | return -EINVAL; | |
29cbe68c JB |
2358 | if (netif_running(dev)) |
2359 | return -EBUSY; | |
2360 | ||
2361 | wdev_lock(wdev); | |
2362 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2363 | IEEE80211_MAX_MESH_ID_LEN); | |
2364 | wdev->mesh_id_up_len = | |
2365 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2366 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2367 | wdev->mesh_id_up_len); | |
2368 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2369 | } |
2370 | ||
8b787643 FF |
2371 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2372 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2373 | change = true; | |
ad4bb6f8 | 2374 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2375 | if (err) |
4c476991 | 2376 | return err; |
8b787643 FF |
2377 | } else { |
2378 | params.use_4addr = -1; | |
2379 | } | |
2380 | ||
92ffe055 | 2381 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2382 | if (ntype != NL80211_IFTYPE_MONITOR) |
2383 | return -EINVAL; | |
92ffe055 JB |
2384 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2385 | &_flags); | |
ac7f9cfa | 2386 | if (err) |
4c476991 | 2387 | return err; |
ac7f9cfa JB |
2388 | |
2389 | flags = &_flags; | |
2390 | change = true; | |
92ffe055 | 2391 | } |
3b85875a | 2392 | |
ac7f9cfa | 2393 | if (change) |
3d54d255 | 2394 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2395 | else |
2396 | err = 0; | |
60719ffd | 2397 | |
9bc383de JB |
2398 | if (!err && params.use_4addr != -1) |
2399 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2400 | ||
55682965 JB |
2401 | return err; |
2402 | } | |
2403 | ||
2404 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2405 | { | |
4c476991 | 2406 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2407 | struct vif_params params; |
84efbb84 | 2408 | struct wireless_dev *wdev; |
1c90f9d4 | 2409 | struct sk_buff *msg; |
55682965 JB |
2410 | int err; |
2411 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2412 | u32 flags; |
55682965 | 2413 | |
2ec600d6 LCC |
2414 | memset(¶ms, 0, sizeof(params)); |
2415 | ||
55682965 JB |
2416 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2417 | return -EINVAL; | |
2418 | ||
2419 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2420 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2421 | if (type > NL80211_IFTYPE_MAX) | |
2422 | return -EINVAL; | |
2423 | } | |
2424 | ||
79c97e97 | 2425 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2426 | !(rdev->wiphy.interface_modes & (1 << type))) |
2427 | return -EOPNOTSUPP; | |
55682965 | 2428 | |
1c18f145 AS |
2429 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2430 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2431 | ETH_ALEN); | |
2432 | if (!is_valid_ether_addr(params.macaddr)) | |
2433 | return -EADDRNOTAVAIL; | |
2434 | } | |
2435 | ||
9bc383de | 2436 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2437 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2438 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2439 | if (err) |
4c476991 | 2440 | return err; |
9bc383de | 2441 | } |
8b787643 | 2442 | |
1c90f9d4 JB |
2443 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2444 | if (!msg) | |
2445 | return -ENOMEM; | |
2446 | ||
66f7ac50 MW |
2447 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2448 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2449 | &flags); | |
e35e4d28 HG |
2450 | wdev = rdev_add_virtual_intf(rdev, |
2451 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2452 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2453 | if (IS_ERR(wdev)) { |
2454 | nlmsg_free(msg); | |
84efbb84 | 2455 | return PTR_ERR(wdev); |
1c90f9d4 | 2456 | } |
2ec600d6 | 2457 | |
98104fde JB |
2458 | switch (type) { |
2459 | case NL80211_IFTYPE_MESH_POINT: | |
2460 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2461 | break; | |
29cbe68c JB |
2462 | wdev_lock(wdev); |
2463 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2464 | IEEE80211_MAX_MESH_ID_LEN); | |
2465 | wdev->mesh_id_up_len = | |
2466 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2467 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2468 | wdev->mesh_id_up_len); | |
2469 | wdev_unlock(wdev); | |
98104fde JB |
2470 | break; |
2471 | case NL80211_IFTYPE_P2P_DEVICE: | |
2472 | /* | |
2473 | * P2P Device doesn't have a netdev, so doesn't go | |
2474 | * through the netdev notifier and must be added here | |
2475 | */ | |
2476 | mutex_init(&wdev->mtx); | |
2477 | INIT_LIST_HEAD(&wdev->event_list); | |
2478 | spin_lock_init(&wdev->event_lock); | |
2479 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2480 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2481 | ||
2482 | mutex_lock(&rdev->devlist_mtx); | |
2483 | wdev->identifier = ++rdev->wdev_id; | |
2484 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2485 | rdev->devlist_generation++; | |
2486 | mutex_unlock(&rdev->devlist_mtx); | |
2487 | break; | |
2488 | default: | |
2489 | break; | |
29cbe68c JB |
2490 | } |
2491 | ||
15e47304 | 2492 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2493 | rdev, wdev) < 0) { |
2494 | nlmsg_free(msg); | |
2495 | return -ENOBUFS; | |
2496 | } | |
2497 | ||
2498 | return genlmsg_reply(msg, info); | |
55682965 JB |
2499 | } |
2500 | ||
2501 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2502 | { | |
4c476991 | 2503 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2504 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2505 | |
4c476991 JB |
2506 | if (!rdev->ops->del_virtual_intf) |
2507 | return -EOPNOTSUPP; | |
55682965 | 2508 | |
84efbb84 JB |
2509 | /* |
2510 | * If we remove a wireless device without a netdev then clear | |
2511 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2512 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2513 | * since the wdev has been freed, unlike with a netdev where | |
2514 | * we need the dev_put() for the netdev to really be freed. | |
2515 | */ | |
2516 | if (!wdev->netdev) | |
2517 | info->user_ptr[1] = NULL; | |
2518 | ||
e35e4d28 | 2519 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2520 | } |
2521 | ||
1d9d9213 SW |
2522 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2523 | { | |
2524 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2525 | struct net_device *dev = info->user_ptr[1]; | |
2526 | u16 noack_map; | |
2527 | ||
2528 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2529 | return -EINVAL; | |
2530 | ||
2531 | if (!rdev->ops->set_noack_map) | |
2532 | return -EOPNOTSUPP; | |
2533 | ||
2534 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2535 | ||
e35e4d28 | 2536 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2537 | } |
2538 | ||
41ade00f JB |
2539 | struct get_key_cookie { |
2540 | struct sk_buff *msg; | |
2541 | int error; | |
b9454e83 | 2542 | int idx; |
41ade00f JB |
2543 | }; |
2544 | ||
2545 | static void get_key_callback(void *c, struct key_params *params) | |
2546 | { | |
b9454e83 | 2547 | struct nlattr *key; |
41ade00f JB |
2548 | struct get_key_cookie *cookie = c; |
2549 | ||
9360ffd1 DM |
2550 | if ((params->key && |
2551 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2552 | params->key_len, params->key)) || | |
2553 | (params->seq && | |
2554 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2555 | params->seq_len, params->seq)) || | |
2556 | (params->cipher && | |
2557 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2558 | params->cipher))) | |
2559 | goto nla_put_failure; | |
41ade00f | 2560 | |
b9454e83 JB |
2561 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2562 | if (!key) | |
2563 | goto nla_put_failure; | |
2564 | ||
9360ffd1 DM |
2565 | if ((params->key && |
2566 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2567 | params->key_len, params->key)) || | |
2568 | (params->seq && | |
2569 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2570 | params->seq_len, params->seq)) || | |
2571 | (params->cipher && | |
2572 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2573 | params->cipher))) | |
2574 | goto nla_put_failure; | |
b9454e83 | 2575 | |
9360ffd1 DM |
2576 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2577 | goto nla_put_failure; | |
b9454e83 JB |
2578 | |
2579 | nla_nest_end(cookie->msg, key); | |
2580 | ||
41ade00f JB |
2581 | return; |
2582 | nla_put_failure: | |
2583 | cookie->error = 1; | |
2584 | } | |
2585 | ||
2586 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2587 | { | |
4c476991 | 2588 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2589 | int err; |
4c476991 | 2590 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2591 | u8 key_idx = 0; |
e31b8213 JB |
2592 | const u8 *mac_addr = NULL; |
2593 | bool pairwise; | |
41ade00f JB |
2594 | struct get_key_cookie cookie = { |
2595 | .error = 0, | |
2596 | }; | |
2597 | void *hdr; | |
2598 | struct sk_buff *msg; | |
2599 | ||
2600 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2601 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2602 | ||
3cfcf6ac | 2603 | if (key_idx > 5) |
41ade00f JB |
2604 | return -EINVAL; |
2605 | ||
2606 | if (info->attrs[NL80211_ATTR_MAC]) | |
2607 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2608 | ||
e31b8213 JB |
2609 | pairwise = !!mac_addr; |
2610 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2611 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2612 | if (kt >= NUM_NL80211_KEYTYPES) | |
2613 | return -EINVAL; | |
2614 | if (kt != NL80211_KEYTYPE_GROUP && | |
2615 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2616 | return -EINVAL; | |
2617 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2618 | } | |
2619 | ||
4c476991 JB |
2620 | if (!rdev->ops->get_key) |
2621 | return -EOPNOTSUPP; | |
41ade00f | 2622 | |
fd2120ca | 2623 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2624 | if (!msg) |
2625 | return -ENOMEM; | |
41ade00f | 2626 | |
15e47304 | 2627 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2628 | NL80211_CMD_NEW_KEY); |
4c476991 JB |
2629 | if (IS_ERR(hdr)) |
2630 | return PTR_ERR(hdr); | |
41ade00f JB |
2631 | |
2632 | cookie.msg = msg; | |
b9454e83 | 2633 | cookie.idx = key_idx; |
41ade00f | 2634 | |
9360ffd1 DM |
2635 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2636 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2637 | goto nla_put_failure; | |
2638 | if (mac_addr && | |
2639 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2640 | goto nla_put_failure; | |
41ade00f | 2641 | |
e31b8213 JB |
2642 | if (pairwise && mac_addr && |
2643 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2644 | return -ENOENT; | |
2645 | ||
e35e4d28 HG |
2646 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2647 | get_key_callback); | |
41ade00f JB |
2648 | |
2649 | if (err) | |
6c95e2a2 | 2650 | goto free_msg; |
41ade00f JB |
2651 | |
2652 | if (cookie.error) | |
2653 | goto nla_put_failure; | |
2654 | ||
2655 | genlmsg_end(msg, hdr); | |
4c476991 | 2656 | return genlmsg_reply(msg, info); |
41ade00f JB |
2657 | |
2658 | nla_put_failure: | |
2659 | err = -ENOBUFS; | |
6c95e2a2 | 2660 | free_msg: |
41ade00f | 2661 | nlmsg_free(msg); |
41ade00f JB |
2662 | return err; |
2663 | } | |
2664 | ||
2665 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2666 | { | |
4c476991 | 2667 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2668 | struct key_parse key; |
41ade00f | 2669 | int err; |
4c476991 | 2670 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2671 | |
b9454e83 JB |
2672 | err = nl80211_parse_key(info, &key); |
2673 | if (err) | |
2674 | return err; | |
41ade00f | 2675 | |
b9454e83 | 2676 | if (key.idx < 0) |
41ade00f JB |
2677 | return -EINVAL; |
2678 | ||
b9454e83 JB |
2679 | /* only support setting default key */ |
2680 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2681 | return -EINVAL; |
2682 | ||
dbd2fd65 | 2683 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2684 | |
dbd2fd65 JB |
2685 | if (key.def) { |
2686 | if (!rdev->ops->set_default_key) { | |
2687 | err = -EOPNOTSUPP; | |
2688 | goto out; | |
2689 | } | |
41ade00f | 2690 | |
dbd2fd65 JB |
2691 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2692 | if (err) | |
2693 | goto out; | |
2694 | ||
e35e4d28 | 2695 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2696 | key.def_uni, key.def_multi); |
2697 | ||
2698 | if (err) | |
2699 | goto out; | |
fffd0934 | 2700 | |
3d23e349 | 2701 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2702 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2703 | #endif | |
2704 | } else { | |
2705 | if (key.def_uni || !key.def_multi) { | |
2706 | err = -EINVAL; | |
2707 | goto out; | |
2708 | } | |
2709 | ||
2710 | if (!rdev->ops->set_default_mgmt_key) { | |
2711 | err = -EOPNOTSUPP; | |
2712 | goto out; | |
2713 | } | |
2714 | ||
2715 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2716 | if (err) | |
2717 | goto out; | |
2718 | ||
e35e4d28 | 2719 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2720 | if (err) |
2721 | goto out; | |
2722 | ||
2723 | #ifdef CONFIG_CFG80211_WEXT | |
2724 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2725 | #endif |
dbd2fd65 JB |
2726 | } |
2727 | ||
2728 | out: | |
fffd0934 | 2729 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2730 | |
41ade00f JB |
2731 | return err; |
2732 | } | |
2733 | ||
2734 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2735 | { | |
4c476991 | 2736 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2737 | int err; |
4c476991 | 2738 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2739 | struct key_parse key; |
e31b8213 | 2740 | const u8 *mac_addr = NULL; |
41ade00f | 2741 | |
b9454e83 JB |
2742 | err = nl80211_parse_key(info, &key); |
2743 | if (err) | |
2744 | return err; | |
41ade00f | 2745 | |
b9454e83 | 2746 | if (!key.p.key) |
41ade00f JB |
2747 | return -EINVAL; |
2748 | ||
41ade00f JB |
2749 | if (info->attrs[NL80211_ATTR_MAC]) |
2750 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2751 | ||
e31b8213 JB |
2752 | if (key.type == -1) { |
2753 | if (mac_addr) | |
2754 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2755 | else | |
2756 | key.type = NL80211_KEYTYPE_GROUP; | |
2757 | } | |
2758 | ||
2759 | /* for now */ | |
2760 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2761 | key.type != NL80211_KEYTYPE_GROUP) | |
2762 | return -EINVAL; | |
2763 | ||
4c476991 JB |
2764 | if (!rdev->ops->add_key) |
2765 | return -EOPNOTSUPP; | |
25e47c18 | 2766 | |
e31b8213 JB |
2767 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2768 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2769 | mac_addr)) | |
4c476991 | 2770 | return -EINVAL; |
41ade00f | 2771 | |
fffd0934 JB |
2772 | wdev_lock(dev->ieee80211_ptr); |
2773 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2774 | if (!err) | |
e35e4d28 HG |
2775 | err = rdev_add_key(rdev, dev, key.idx, |
2776 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2777 | mac_addr, &key.p); | |
fffd0934 | 2778 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2779 | |
41ade00f JB |
2780 | return err; |
2781 | } | |
2782 | ||
2783 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2784 | { | |
4c476991 | 2785 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2786 | int err; |
4c476991 | 2787 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2788 | u8 *mac_addr = NULL; |
b9454e83 | 2789 | struct key_parse key; |
41ade00f | 2790 | |
b9454e83 JB |
2791 | err = nl80211_parse_key(info, &key); |
2792 | if (err) | |
2793 | return err; | |
41ade00f JB |
2794 | |
2795 | if (info->attrs[NL80211_ATTR_MAC]) | |
2796 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2797 | ||
e31b8213 JB |
2798 | if (key.type == -1) { |
2799 | if (mac_addr) | |
2800 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2801 | else | |
2802 | key.type = NL80211_KEYTYPE_GROUP; | |
2803 | } | |
2804 | ||
2805 | /* for now */ | |
2806 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2807 | key.type != NL80211_KEYTYPE_GROUP) | |
2808 | return -EINVAL; | |
2809 | ||
4c476991 JB |
2810 | if (!rdev->ops->del_key) |
2811 | return -EOPNOTSUPP; | |
41ade00f | 2812 | |
fffd0934 JB |
2813 | wdev_lock(dev->ieee80211_ptr); |
2814 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2815 | |
2816 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2817 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2818 | err = -ENOENT; | |
2819 | ||
fffd0934 | 2820 | if (!err) |
e35e4d28 HG |
2821 | err = rdev_del_key(rdev, dev, key.idx, |
2822 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2823 | mac_addr); | |
41ade00f | 2824 | |
3d23e349 | 2825 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2826 | if (!err) { |
b9454e83 | 2827 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2828 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2829 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2830 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2831 | } | |
2832 | #endif | |
fffd0934 | 2833 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2834 | |
41ade00f JB |
2835 | return err; |
2836 | } | |
2837 | ||
77765eaf VT |
2838 | /* This function returns an error or the number of nested attributes */ |
2839 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
2840 | { | |
2841 | struct nlattr *attr; | |
2842 | int n_entries = 0, tmp; | |
2843 | ||
2844 | nla_for_each_nested(attr, nl_attr, tmp) { | |
2845 | if (nla_len(attr) != ETH_ALEN) | |
2846 | return -EINVAL; | |
2847 | ||
2848 | n_entries++; | |
2849 | } | |
2850 | ||
2851 | return n_entries; | |
2852 | } | |
2853 | ||
2854 | /* | |
2855 | * This function parses ACL information and allocates memory for ACL data. | |
2856 | * On successful return, the calling function is responsible to free the | |
2857 | * ACL buffer returned by this function. | |
2858 | */ | |
2859 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
2860 | struct genl_info *info) | |
2861 | { | |
2862 | enum nl80211_acl_policy acl_policy; | |
2863 | struct nlattr *attr; | |
2864 | struct cfg80211_acl_data *acl; | |
2865 | int i = 0, n_entries, tmp; | |
2866 | ||
2867 | if (!wiphy->max_acl_mac_addrs) | |
2868 | return ERR_PTR(-EOPNOTSUPP); | |
2869 | ||
2870 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
2871 | return ERR_PTR(-EINVAL); | |
2872 | ||
2873 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
2874 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
2875 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
2876 | return ERR_PTR(-EINVAL); | |
2877 | ||
2878 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
2879 | return ERR_PTR(-EINVAL); | |
2880 | ||
2881 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
2882 | if (n_entries < 0) | |
2883 | return ERR_PTR(n_entries); | |
2884 | ||
2885 | if (n_entries > wiphy->max_acl_mac_addrs) | |
2886 | return ERR_PTR(-ENOTSUPP); | |
2887 | ||
2888 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
2889 | GFP_KERNEL); | |
2890 | if (!acl) | |
2891 | return ERR_PTR(-ENOMEM); | |
2892 | ||
2893 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
2894 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
2895 | i++; | |
2896 | } | |
2897 | ||
2898 | acl->n_acl_entries = n_entries; | |
2899 | acl->acl_policy = acl_policy; | |
2900 | ||
2901 | return acl; | |
2902 | } | |
2903 | ||
2904 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
2905 | { | |
2906 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2907 | struct net_device *dev = info->user_ptr[1]; | |
2908 | struct cfg80211_acl_data *acl; | |
2909 | int err; | |
2910 | ||
2911 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2912 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2913 | return -EOPNOTSUPP; | |
2914 | ||
2915 | if (!dev->ieee80211_ptr->beacon_interval) | |
2916 | return -EINVAL; | |
2917 | ||
2918 | acl = parse_acl_data(&rdev->wiphy, info); | |
2919 | if (IS_ERR(acl)) | |
2920 | return PTR_ERR(acl); | |
2921 | ||
2922 | err = rdev_set_mac_acl(rdev, dev, acl); | |
2923 | ||
2924 | kfree(acl); | |
2925 | ||
2926 | return err; | |
2927 | } | |
2928 | ||
8860020e JB |
2929 | static int nl80211_parse_beacon(struct genl_info *info, |
2930 | struct cfg80211_beacon_data *bcn) | |
ed1b6cc7 | 2931 | { |
8860020e | 2932 | bool haveinfo = false; |
ed1b6cc7 | 2933 | |
9946ecfb JM |
2934 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) || |
2935 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) || | |
2936 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
2937 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
2938 | return -EINVAL; |
2939 | ||
8860020e | 2940 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 2941 | |
ed1b6cc7 | 2942 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { |
8860020e JB |
2943 | bcn->head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); |
2944 | bcn->head_len = nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
2945 | if (!bcn->head_len) | |
2946 | return -EINVAL; | |
2947 | haveinfo = true; | |
ed1b6cc7 JB |
2948 | } |
2949 | ||
2950 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { | |
8860020e JB |
2951 | bcn->tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); |
2952 | bcn->tail_len = | |
ed1b6cc7 | 2953 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); |
8860020e | 2954 | haveinfo = true; |
ed1b6cc7 JB |
2955 | } |
2956 | ||
4c476991 JB |
2957 | if (!haveinfo) |
2958 | return -EINVAL; | |
3b85875a | 2959 | |
9946ecfb | 2960 | if (info->attrs[NL80211_ATTR_IE]) { |
8860020e JB |
2961 | bcn->beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]); |
2962 | bcn->beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
2963 | } |
2964 | ||
2965 | if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) { | |
8860020e | 2966 | bcn->proberesp_ies = |
9946ecfb | 2967 | nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 2968 | bcn->proberesp_ies_len = |
9946ecfb JM |
2969 | nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); |
2970 | } | |
2971 | ||
2972 | if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) { | |
8860020e | 2973 | bcn->assocresp_ies = |
9946ecfb | 2974 | nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 2975 | bcn->assocresp_ies_len = |
9946ecfb JM |
2976 | nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
2977 | } | |
2978 | ||
00f740e1 | 2979 | if (info->attrs[NL80211_ATTR_PROBE_RESP]) { |
8860020e | 2980 | bcn->probe_resp = |
00f740e1 | 2981 | nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]); |
8860020e | 2982 | bcn->probe_resp_len = |
00f740e1 AN |
2983 | nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]); |
2984 | } | |
2985 | ||
8860020e JB |
2986 | return 0; |
2987 | } | |
2988 | ||
46c1dd0c FF |
2989 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
2990 | struct cfg80211_ap_settings *params) | |
2991 | { | |
2992 | struct wireless_dev *wdev; | |
2993 | bool ret = false; | |
2994 | ||
2995 | mutex_lock(&rdev->devlist_mtx); | |
2996 | ||
89a54e48 | 2997 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
2998 | if (wdev->iftype != NL80211_IFTYPE_AP && |
2999 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3000 | continue; | |
3001 | ||
683b6d3b | 3002 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3003 | continue; |
3004 | ||
683b6d3b | 3005 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3006 | ret = true; |
3007 | break; | |
3008 | } | |
3009 | ||
3010 | mutex_unlock(&rdev->devlist_mtx); | |
3011 | ||
3012 | return ret; | |
3013 | } | |
3014 | ||
e39e5b5e JM |
3015 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3016 | enum nl80211_auth_type auth_type, | |
3017 | enum nl80211_commands cmd) | |
3018 | { | |
3019 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3020 | return false; | |
3021 | ||
3022 | switch (cmd) { | |
3023 | case NL80211_CMD_AUTHENTICATE: | |
3024 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3025 | auth_type == NL80211_AUTHTYPE_SAE) | |
3026 | return false; | |
3027 | return true; | |
3028 | case NL80211_CMD_CONNECT: | |
3029 | case NL80211_CMD_START_AP: | |
3030 | /* SAE not supported yet */ | |
3031 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3032 | return false; | |
3033 | return true; | |
3034 | default: | |
3035 | return false; | |
3036 | } | |
3037 | } | |
3038 | ||
8860020e JB |
3039 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3040 | { | |
3041 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3042 | struct net_device *dev = info->user_ptr[1]; | |
3043 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3044 | struct cfg80211_ap_settings params; | |
3045 | int err; | |
04f39047 | 3046 | u8 radar_detect_width = 0; |
8860020e JB |
3047 | |
3048 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3049 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3050 | return -EOPNOTSUPP; | |
3051 | ||
3052 | if (!rdev->ops->start_ap) | |
3053 | return -EOPNOTSUPP; | |
3054 | ||
3055 | if (wdev->beacon_interval) | |
3056 | return -EALREADY; | |
3057 | ||
3058 | memset(¶ms, 0, sizeof(params)); | |
3059 | ||
3060 | /* these are required for START_AP */ | |
3061 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3062 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3063 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3064 | return -EINVAL; | |
3065 | ||
3066 | err = nl80211_parse_beacon(info, ¶ms.beacon); | |
3067 | if (err) | |
3068 | return err; | |
3069 | ||
3070 | params.beacon_interval = | |
3071 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3072 | params.dtim_period = | |
3073 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3074 | ||
3075 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3076 | if (err) | |
3077 | return err; | |
3078 | ||
3079 | /* | |
3080 | * In theory, some of these attributes should be required here | |
3081 | * but since they were not used when the command was originally | |
3082 | * added, keep them optional for old user space programs to let | |
3083 | * them continue to work with drivers that do not need the | |
3084 | * additional information -- drivers must check! | |
3085 | */ | |
3086 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3087 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3088 | params.ssid_len = | |
3089 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3090 | if (params.ssid_len == 0 || | |
3091 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3092 | return -EINVAL; | |
3093 | } | |
3094 | ||
3095 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3096 | params.hidden_ssid = nla_get_u32( | |
3097 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3098 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3099 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3100 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3101 | return -EINVAL; | |
3102 | } | |
3103 | ||
3104 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3105 | ||
3106 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3107 | params.auth_type = nla_get_u32( | |
3108 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3109 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3110 | NL80211_CMD_START_AP)) | |
8860020e JB |
3111 | return -EINVAL; |
3112 | } else | |
3113 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3114 | ||
3115 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3116 | NL80211_MAX_NR_CIPHER_SUITES); | |
3117 | if (err) | |
3118 | return err; | |
3119 | ||
1b658f11 VT |
3120 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3121 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3122 | return -EOPNOTSUPP; | |
3123 | params.inactivity_timeout = nla_get_u16( | |
3124 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3125 | } | |
3126 | ||
53cabad7 JB |
3127 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3128 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3129 | return -EINVAL; | |
3130 | params.p2p_ctwindow = | |
3131 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3132 | if (params.p2p_ctwindow > 127) | |
3133 | return -EINVAL; | |
3134 | if (params.p2p_ctwindow != 0 && | |
3135 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3136 | return -EINVAL; | |
3137 | } | |
3138 | ||
3139 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3140 | u8 tmp; | |
3141 | ||
3142 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3143 | return -EINVAL; | |
3144 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3145 | if (tmp > 1) | |
3146 | return -EINVAL; | |
3147 | params.p2p_opp_ps = tmp; | |
3148 | if (params.p2p_opp_ps != 0 && | |
3149 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3150 | return -EINVAL; | |
3151 | } | |
3152 | ||
aa430da4 | 3153 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3154 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3155 | if (err) | |
3156 | return err; | |
3157 | } else if (wdev->preset_chandef.chan) { | |
3158 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3159 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3160 | return -EINVAL; |
3161 | ||
683b6d3b | 3162 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) |
aa430da4 JB |
3163 | return -EINVAL; |
3164 | ||
04f39047 SW |
3165 | err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); |
3166 | if (err < 0) | |
3167 | return err; | |
3168 | if (err) { | |
3169 | radar_detect_width = BIT(params.chandef.width); | |
3170 | params.radar_required = true; | |
3171 | } | |
3172 | ||
e4e32459 | 3173 | mutex_lock(&rdev->devlist_mtx); |
04f39047 SW |
3174 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
3175 | params.chandef.chan, | |
3176 | CHAN_MODE_SHARED, | |
3177 | radar_detect_width); | |
e4e32459 MK |
3178 | mutex_unlock(&rdev->devlist_mtx); |
3179 | ||
3180 | if (err) | |
3181 | return err; | |
3182 | ||
77765eaf VT |
3183 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3184 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3185 | if (IS_ERR(params.acl)) | |
3186 | return PTR_ERR(params.acl); | |
3187 | } | |
3188 | ||
e35e4d28 | 3189 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3190 | if (!err) { |
683b6d3b | 3191 | wdev->preset_chandef = params.chandef; |
8860020e | 3192 | wdev->beacon_interval = params.beacon_interval; |
683b6d3b | 3193 | wdev->channel = params.chandef.chan; |
06e191e2 AQ |
3194 | wdev->ssid_len = params.ssid_len; |
3195 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3196 | } |
77765eaf VT |
3197 | |
3198 | kfree(params.acl); | |
3199 | ||
56d1893d | 3200 | return err; |
ed1b6cc7 JB |
3201 | } |
3202 | ||
8860020e JB |
3203 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3204 | { | |
3205 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3206 | struct net_device *dev = info->user_ptr[1]; | |
3207 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3208 | struct cfg80211_beacon_data params; | |
3209 | int err; | |
3210 | ||
3211 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3212 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3213 | return -EOPNOTSUPP; | |
3214 | ||
3215 | if (!rdev->ops->change_beacon) | |
3216 | return -EOPNOTSUPP; | |
3217 | ||
3218 | if (!wdev->beacon_interval) | |
3219 | return -EINVAL; | |
3220 | ||
3221 | err = nl80211_parse_beacon(info, ¶ms); | |
3222 | if (err) | |
3223 | return err; | |
3224 | ||
e35e4d28 | 3225 | return rdev_change_beacon(rdev, dev, ¶ms); |
8860020e JB |
3226 | } |
3227 | ||
3228 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3229 | { |
4c476991 JB |
3230 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3231 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3232 | |
60771780 | 3233 | return cfg80211_stop_ap(rdev, dev); |
ed1b6cc7 JB |
3234 | } |
3235 | ||
5727ef1b JB |
3236 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3237 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3238 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3239 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3240 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3241 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3242 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3243 | }; |
3244 | ||
eccb8e8f | 3245 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3246 | enum nl80211_iftype iftype, |
eccb8e8f | 3247 | struct station_parameters *params) |
5727ef1b JB |
3248 | { |
3249 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3250 | struct nlattr *nla; |
5727ef1b JB |
3251 | int flag; |
3252 | ||
eccb8e8f JB |
3253 | /* |
3254 | * Try parsing the new attribute first so userspace | |
3255 | * can specify both for older kernels. | |
3256 | */ | |
3257 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3258 | if (nla) { | |
3259 | struct nl80211_sta_flag_update *sta_flags; | |
3260 | ||
3261 | sta_flags = nla_data(nla); | |
3262 | params->sta_flags_mask = sta_flags->mask; | |
3263 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3264 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3265 | if ((params->sta_flags_mask | |
3266 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3267 | return -EINVAL; | |
3268 | return 0; | |
3269 | } | |
3270 | ||
3271 | /* if present, parse the old attribute */ | |
5727ef1b | 3272 | |
eccb8e8f | 3273 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3274 | if (!nla) |
3275 | return 0; | |
3276 | ||
3277 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3278 | nla, sta_flags_policy)) | |
3279 | return -EINVAL; | |
3280 | ||
bdd3ae3d JB |
3281 | /* |
3282 | * Only allow certain flags for interface types so that | |
3283 | * other attributes are silently ignored. Remember that | |
3284 | * this is backward compatibility code with old userspace | |
3285 | * and shouldn't be hit in other cases anyway. | |
3286 | */ | |
3287 | switch (iftype) { | |
3288 | case NL80211_IFTYPE_AP: | |
3289 | case NL80211_IFTYPE_AP_VLAN: | |
3290 | case NL80211_IFTYPE_P2P_GO: | |
3291 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3292 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3293 | BIT(NL80211_STA_FLAG_WME) | | |
3294 | BIT(NL80211_STA_FLAG_MFP); | |
3295 | break; | |
3296 | case NL80211_IFTYPE_P2P_CLIENT: | |
3297 | case NL80211_IFTYPE_STATION: | |
3298 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3299 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3300 | break; | |
3301 | case NL80211_IFTYPE_MESH_POINT: | |
3302 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3303 | BIT(NL80211_STA_FLAG_MFP) | | |
3304 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3305 | default: | |
3306 | return -EINVAL; | |
3307 | } | |
5727ef1b | 3308 | |
3383b5a6 JB |
3309 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3310 | if (flags[flag]) { | |
eccb8e8f | 3311 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3312 | |
3383b5a6 JB |
3313 | /* no longer support new API additions in old API */ |
3314 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3315 | return -EINVAL; | |
3316 | } | |
3317 | } | |
3318 | ||
5727ef1b JB |
3319 | return 0; |
3320 | } | |
3321 | ||
c8dcfd8a FF |
3322 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3323 | int attr) | |
3324 | { | |
3325 | struct nlattr *rate; | |
8eb41c8d VK |
3326 | u32 bitrate; |
3327 | u16 bitrate_compat; | |
c8dcfd8a FF |
3328 | |
3329 | rate = nla_nest_start(msg, attr); | |
3330 | if (!rate) | |
db9c64cf | 3331 | return false; |
c8dcfd8a FF |
3332 | |
3333 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3334 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3335 | /* report 16-bit bitrate only if we can */ |
3336 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3337 | if (bitrate > 0 && |
3338 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3339 | return false; | |
3340 | if (bitrate_compat > 0 && | |
3341 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3342 | return false; | |
3343 | ||
3344 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3345 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3346 | return false; | |
3347 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3348 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3349 | return false; | |
3350 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3351 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3352 | return false; | |
3353 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3354 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3355 | return false; | |
3356 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3357 | return false; | |
3358 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3359 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3360 | return false; | |
3361 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3362 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3363 | return false; | |
3364 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3365 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3366 | return false; | |
3367 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3368 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3369 | return false; | |
3370 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3371 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3372 | return false; | |
3373 | } | |
c8dcfd8a FF |
3374 | |
3375 | nla_nest_end(msg, rate); | |
3376 | return true; | |
c8dcfd8a FF |
3377 | } |
3378 | ||
119363c7 FF |
3379 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3380 | int id) | |
3381 | { | |
3382 | void *attr; | |
3383 | int i = 0; | |
3384 | ||
3385 | if (!mask) | |
3386 | return true; | |
3387 | ||
3388 | attr = nla_nest_start(msg, id); | |
3389 | if (!attr) | |
3390 | return false; | |
3391 | ||
3392 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3393 | if (!(mask & BIT(i))) | |
3394 | continue; | |
3395 | ||
3396 | if (nla_put_u8(msg, i, signal[i])) | |
3397 | return false; | |
3398 | } | |
3399 | ||
3400 | nla_nest_end(msg, attr); | |
3401 | ||
3402 | return true; | |
3403 | } | |
3404 | ||
15e47304 | 3405 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3406 | int flags, |
3407 | struct cfg80211_registered_device *rdev, | |
3408 | struct net_device *dev, | |
98b62183 | 3409 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3410 | { |
3411 | void *hdr; | |
f4263c98 | 3412 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3413 | |
15e47304 | 3414 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3415 | if (!hdr) |
3416 | return -1; | |
3417 | ||
9360ffd1 DM |
3418 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3419 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3420 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3421 | goto nla_put_failure; | |
f5ea9120 | 3422 | |
2ec600d6 LCC |
3423 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3424 | if (!sinfoattr) | |
fd5b74dc | 3425 | goto nla_put_failure; |
9360ffd1 DM |
3426 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3427 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3428 | sinfo->connected_time)) | |
3429 | goto nla_put_failure; | |
3430 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3431 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3432 | sinfo->inactive_time)) | |
3433 | goto nla_put_failure; | |
42745e03 VK |
3434 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3435 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3436 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3437 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3438 | goto nla_put_failure; |
42745e03 VK |
3439 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
3440 | NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 3441 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3442 | (u32)sinfo->tx_bytes)) |
3443 | goto nla_put_failure; | |
3444 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3445 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3446 | sinfo->rx_bytes)) | |
3447 | goto nla_put_failure; | |
3448 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3449 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3450 | sinfo->tx_bytes)) |
3451 | goto nla_put_failure; | |
3452 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3453 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3454 | goto nla_put_failure; | |
3455 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3456 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3457 | goto nla_put_failure; | |
3458 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3459 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3460 | sinfo->plink_state)) | |
3461 | goto nla_put_failure; | |
66266b3a JL |
3462 | switch (rdev->wiphy.signal_type) { |
3463 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3464 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3465 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3466 | sinfo->signal)) | |
3467 | goto nla_put_failure; | |
3468 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3469 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3470 | sinfo->signal_avg)) | |
3471 | goto nla_put_failure; | |
66266b3a JL |
3472 | break; |
3473 | default: | |
3474 | break; | |
3475 | } | |
119363c7 FF |
3476 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3477 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3478 | sinfo->chain_signal, | |
3479 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3480 | goto nla_put_failure; | |
3481 | } | |
3482 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3483 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3484 | sinfo->chain_signal_avg, | |
3485 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3486 | goto nla_put_failure; | |
3487 | } | |
420e7fab | 3488 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3489 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3490 | NL80211_STA_INFO_TX_BITRATE)) | |
3491 | goto nla_put_failure; | |
3492 | } | |
3493 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3494 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3495 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3496 | goto nla_put_failure; |
420e7fab | 3497 | } |
9360ffd1 DM |
3498 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3499 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3500 | sinfo->rx_packets)) | |
3501 | goto nla_put_failure; | |
3502 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3503 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3504 | sinfo->tx_packets)) | |
3505 | goto nla_put_failure; | |
3506 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3507 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3508 | sinfo->tx_retries)) | |
3509 | goto nla_put_failure; | |
3510 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3511 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3512 | sinfo->tx_failed)) | |
3513 | goto nla_put_failure; | |
3514 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && | |
3515 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3516 | sinfo->beacon_loss_count)) | |
3517 | goto nla_put_failure; | |
3b1c5a53 MP |
3518 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3519 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3520 | sinfo->local_pm)) | |
3521 | goto nla_put_failure; | |
3522 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3523 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3524 | sinfo->peer_pm)) | |
3525 | goto nla_put_failure; | |
3526 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3527 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3528 | sinfo->nonpeer_pm)) | |
3529 | goto nla_put_failure; | |
f4263c98 PS |
3530 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3531 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3532 | if (!bss_param) | |
3533 | goto nla_put_failure; | |
3534 | ||
9360ffd1 DM |
3535 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3536 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3537 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3538 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3539 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3540 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3541 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3542 | sinfo->bss_param.dtim_period) || | |
3543 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3544 | sinfo->bss_param.beacon_interval)) | |
3545 | goto nla_put_failure; | |
f4263c98 PS |
3546 | |
3547 | nla_nest_end(msg, bss_param); | |
3548 | } | |
9360ffd1 DM |
3549 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3550 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3551 | sizeof(struct nl80211_sta_flag_update), | |
3552 | &sinfo->sta_flags)) | |
3553 | goto nla_put_failure; | |
7eab0f64 JL |
3554 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3555 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3556 | sinfo->t_offset)) | |
3557 | goto nla_put_failure; | |
2ec600d6 | 3558 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3559 | |
9360ffd1 DM |
3560 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3561 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3562 | sinfo->assoc_req_ies)) | |
3563 | goto nla_put_failure; | |
50d3dfb7 | 3564 | |
fd5b74dc JB |
3565 | return genlmsg_end(msg, hdr); |
3566 | ||
3567 | nla_put_failure: | |
bc3ed28c TG |
3568 | genlmsg_cancel(msg, hdr); |
3569 | return -EMSGSIZE; | |
fd5b74dc JB |
3570 | } |
3571 | ||
2ec600d6 | 3572 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3573 | struct netlink_callback *cb) |
2ec600d6 | 3574 | { |
2ec600d6 LCC |
3575 | struct station_info sinfo; |
3576 | struct cfg80211_registered_device *dev; | |
97990a06 | 3577 | struct wireless_dev *wdev; |
2ec600d6 | 3578 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3579 | int sta_idx = cb->args[2]; |
2ec600d6 | 3580 | int err; |
2ec600d6 | 3581 | |
97990a06 | 3582 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
3583 | if (err) |
3584 | return err; | |
bba95fef | 3585 | |
97990a06 JB |
3586 | if (!wdev->netdev) { |
3587 | err = -EINVAL; | |
3588 | goto out_err; | |
3589 | } | |
3590 | ||
bba95fef | 3591 | if (!dev->ops->dump_station) { |
eec60b03 | 3592 | err = -EOPNOTSUPP; |
bba95fef JB |
3593 | goto out_err; |
3594 | } | |
3595 | ||
bba95fef | 3596 | while (1) { |
f612cedf | 3597 | memset(&sinfo, 0, sizeof(sinfo)); |
97990a06 | 3598 | err = rdev_dump_station(dev, wdev->netdev, sta_idx, |
e35e4d28 | 3599 | mac_addr, &sinfo); |
bba95fef JB |
3600 | if (err == -ENOENT) |
3601 | break; | |
3602 | if (err) | |
3b85875a | 3603 | goto out_err; |
bba95fef JB |
3604 | |
3605 | if (nl80211_send_station(skb, | |
15e47304 | 3606 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3607 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 3608 | dev, wdev->netdev, mac_addr, |
bba95fef JB |
3609 | &sinfo) < 0) |
3610 | goto out; | |
3611 | ||
3612 | sta_idx++; | |
3613 | } | |
3614 | ||
3615 | ||
3616 | out: | |
97990a06 | 3617 | cb->args[2] = sta_idx; |
bba95fef | 3618 | err = skb->len; |
bba95fef | 3619 | out_err: |
97990a06 | 3620 | nl80211_finish_wdev_dump(dev); |
bba95fef JB |
3621 | |
3622 | return err; | |
2ec600d6 | 3623 | } |
fd5b74dc | 3624 | |
5727ef1b JB |
3625 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3626 | { | |
4c476991 JB |
3627 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3628 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3629 | struct station_info sinfo; |
fd5b74dc JB |
3630 | struct sk_buff *msg; |
3631 | u8 *mac_addr = NULL; | |
4c476991 | 3632 | int err; |
fd5b74dc | 3633 | |
2ec600d6 | 3634 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3635 | |
3636 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3637 | return -EINVAL; | |
3638 | ||
3639 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3640 | ||
4c476991 JB |
3641 | if (!rdev->ops->get_station) |
3642 | return -EOPNOTSUPP; | |
3b85875a | 3643 | |
e35e4d28 | 3644 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3645 | if (err) |
4c476991 | 3646 | return err; |
2ec600d6 | 3647 | |
fd2120ca | 3648 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3649 | if (!msg) |
4c476991 | 3650 | return -ENOMEM; |
fd5b74dc | 3651 | |
15e47304 | 3652 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3653 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3654 | nlmsg_free(msg); |
3655 | return -ENOBUFS; | |
3656 | } | |
3b85875a | 3657 | |
4c476991 | 3658 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3659 | } |
3660 | ||
77ee7c89 JB |
3661 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3662 | struct station_parameters *params, | |
3663 | enum cfg80211_station_type statype) | |
3664 | { | |
3665 | if (params->listen_interval != -1) | |
3666 | return -EINVAL; | |
3667 | if (params->aid) | |
3668 | return -EINVAL; | |
3669 | ||
3670 | /* When you run into this, adjust the code below for the new flag */ | |
3671 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3672 | ||
3673 | switch (statype) { | |
eef941e6 TP |
3674 | case CFG80211_STA_MESH_PEER_KERNEL: |
3675 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3676 | /* |
3677 | * No ignoring the TDLS flag here -- the userspace mesh | |
3678 | * code doesn't have the bug of including TDLS in the | |
3679 | * mask everywhere. | |
3680 | */ | |
3681 | if (params->sta_flags_mask & | |
3682 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3683 | BIT(NL80211_STA_FLAG_MFP) | | |
3684 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3685 | return -EINVAL; | |
3686 | break; | |
3687 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3688 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3689 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3690 | return -EINVAL; | |
3691 | /* ignore since it can't change */ | |
3692 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3693 | break; | |
3694 | default: | |
3695 | /* disallow mesh-specific things */ | |
3696 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3697 | return -EINVAL; | |
3698 | if (params->local_pm) | |
3699 | return -EINVAL; | |
3700 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3701 | return -EINVAL; | |
3702 | } | |
3703 | ||
3704 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3705 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3706 | /* TDLS can't be set, ... */ | |
3707 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3708 | return -EINVAL; | |
3709 | /* | |
3710 | * ... but don't bother the driver with it. This works around | |
3711 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3712 | * TLDS_PEER flag in the mask even for AP mode. | |
3713 | */ | |
3714 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3715 | } | |
3716 | ||
3717 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3718 | /* reject other things that can't change */ | |
3719 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3720 | return -EINVAL; | |
3721 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3722 | return -EINVAL; | |
3723 | if (params->supported_rates) | |
3724 | return -EINVAL; | |
3725 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3726 | return -EINVAL; | |
3727 | } | |
3728 | ||
3729 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3730 | if (params->vlan) | |
3731 | return -EINVAL; | |
3732 | } | |
3733 | ||
3734 | switch (statype) { | |
3735 | case CFG80211_STA_AP_MLME_CLIENT: | |
3736 | /* Use this only for authorizing/unauthorizing a station */ | |
3737 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3738 | return -EOPNOTSUPP; | |
3739 | break; | |
3740 | case CFG80211_STA_AP_CLIENT: | |
3741 | /* accept only the listed bits */ | |
3742 | if (params->sta_flags_mask & | |
3743 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3744 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3745 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3746 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3747 | BIT(NL80211_STA_FLAG_WME) | | |
3748 | BIT(NL80211_STA_FLAG_MFP))) | |
3749 | return -EINVAL; | |
3750 | ||
3751 | /* but authenticated/associated only if driver handles it */ | |
3752 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3753 | params->sta_flags_mask & | |
3754 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3755 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3756 | return -EINVAL; | |
3757 | break; | |
3758 | case CFG80211_STA_IBSS: | |
3759 | case CFG80211_STA_AP_STA: | |
3760 | /* reject any changes other than AUTHORIZED */ | |
3761 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3762 | return -EINVAL; | |
3763 | break; | |
3764 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3765 | /* reject any changes other than AUTHORIZED or WME */ | |
3766 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3767 | BIT(NL80211_STA_FLAG_WME))) | |
3768 | return -EINVAL; | |
3769 | /* force (at least) rates when authorizing */ | |
3770 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
3771 | !params->supported_rates) | |
3772 | return -EINVAL; | |
3773 | break; | |
3774 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3775 | /* reject any changes */ | |
3776 | return -EINVAL; | |
eef941e6 | 3777 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
3778 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
3779 | return -EINVAL; | |
3780 | break; | |
eef941e6 | 3781 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
3782 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
3783 | return -EINVAL; | |
3784 | break; | |
3785 | } | |
3786 | ||
3787 | return 0; | |
3788 | } | |
3789 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
3790 | ||
5727ef1b | 3791 | /* |
c258d2de | 3792 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3793 | */ |
80b99899 JB |
3794 | static struct net_device *get_vlan(struct genl_info *info, |
3795 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3796 | { |
463d0183 | 3797 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3798 | struct net_device *v; |
3799 | int ret; | |
3800 | ||
3801 | if (!vlanattr) | |
3802 | return NULL; | |
3803 | ||
3804 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3805 | if (!v) | |
3806 | return ERR_PTR(-ENODEV); | |
3807 | ||
3808 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3809 | ret = -EINVAL; | |
3810 | goto error; | |
5727ef1b | 3811 | } |
80b99899 | 3812 | |
77ee7c89 JB |
3813 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
3814 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3815 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
3816 | ret = -EINVAL; | |
3817 | goto error; | |
3818 | } | |
3819 | ||
80b99899 JB |
3820 | if (!netif_running(v)) { |
3821 | ret = -ENETDOWN; | |
3822 | goto error; | |
3823 | } | |
3824 | ||
3825 | return v; | |
3826 | error: | |
3827 | dev_put(v); | |
3828 | return ERR_PTR(ret); | |
5727ef1b JB |
3829 | } |
3830 | ||
df881293 JM |
3831 | static struct nla_policy |
3832 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
3833 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
3834 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
3835 | }; | |
3836 | ||
ff276691 JB |
3837 | static int nl80211_parse_sta_wme(struct genl_info *info, |
3838 | struct station_parameters *params) | |
df881293 | 3839 | { |
df881293 JM |
3840 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
3841 | struct nlattr *nla; | |
3842 | int err; | |
3843 | ||
df881293 JM |
3844 | /* parse WME attributes if present */ |
3845 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
3846 | return 0; | |
3847 | ||
3848 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
3849 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
3850 | nl80211_sta_wme_policy); | |
3851 | if (err) | |
3852 | return err; | |
3853 | ||
3854 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
3855 | params->uapsd_queues = nla_get_u8( | |
3856 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
3857 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
3858 | return -EINVAL; | |
3859 | ||
3860 | if (tb[NL80211_STA_WME_MAX_SP]) | |
3861 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
3862 | ||
3863 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
3864 | return -EINVAL; | |
3865 | ||
3866 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
3867 | ||
3868 | return 0; | |
3869 | } | |
3870 | ||
ff276691 JB |
3871 | static int nl80211_set_station_tdls(struct genl_info *info, |
3872 | struct station_parameters *params) | |
3873 | { | |
3874 | /* Dummy STA entry gets updated once the peer capabilities are known */ | |
3875 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) | |
3876 | params->ht_capa = | |
3877 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
3878 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
3879 | params->vht_capa = | |
3880 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
3881 | ||
3882 | return nl80211_parse_sta_wme(info, params); | |
3883 | } | |
3884 | ||
5727ef1b JB |
3885 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
3886 | { | |
4c476991 | 3887 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 3888 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 3889 | struct station_parameters params; |
77ee7c89 JB |
3890 | u8 *mac_addr; |
3891 | int err; | |
5727ef1b JB |
3892 | |
3893 | memset(¶ms, 0, sizeof(params)); | |
3894 | ||
3895 | params.listen_interval = -1; | |
3896 | ||
77ee7c89 JB |
3897 | if (!rdev->ops->change_station) |
3898 | return -EOPNOTSUPP; | |
3899 | ||
5727ef1b JB |
3900 | if (info->attrs[NL80211_ATTR_STA_AID]) |
3901 | return -EINVAL; | |
3902 | ||
3903 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3904 | return -EINVAL; | |
3905 | ||
3906 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3907 | ||
3908 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
3909 | params.supported_rates = | |
3910 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3911 | params.supported_rates_len = | |
3912 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3913 | } | |
3914 | ||
9d62a986 JM |
3915 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
3916 | params.capability = | |
3917 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
3918 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
3919 | } | |
3920 | ||
3921 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
3922 | params.ext_capab = | |
3923 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
3924 | params.ext_capab_len = | |
3925 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
3926 | } | |
3927 | ||
df881293 | 3928 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 3929 | return -EINVAL; |
36aedc90 | 3930 | |
bdd3ae3d | 3931 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
3932 | return -EINVAL; |
3933 | ||
f8bacc21 | 3934 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 3935 | params.plink_action = |
f8bacc21 JB |
3936 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
3937 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
3938 | return -EINVAL; | |
3939 | } | |
2ec600d6 | 3940 | |
f8bacc21 | 3941 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 3942 | params.plink_state = |
f8bacc21 JB |
3943 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
3944 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
3945 | return -EINVAL; | |
3946 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
3947 | } | |
9c3990aa | 3948 | |
3b1c5a53 MP |
3949 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
3950 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
3951 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
3952 | ||
3953 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
3954 | pm > NL80211_MESH_POWER_MAX) | |
3955 | return -EINVAL; | |
3956 | ||
3957 | params.local_pm = pm; | |
3958 | } | |
3959 | ||
77ee7c89 JB |
3960 | /* Include parameters for TDLS peer (will check later) */ |
3961 | err = nl80211_set_station_tdls(info, ¶ms); | |
3962 | if (err) | |
3963 | return err; | |
3964 | ||
3965 | params.vlan = get_vlan(info, rdev); | |
3966 | if (IS_ERR(params.vlan)) | |
3967 | return PTR_ERR(params.vlan); | |
3968 | ||
a97f4424 JB |
3969 | switch (dev->ieee80211_ptr->iftype) { |
3970 | case NL80211_IFTYPE_AP: | |
3971 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 3972 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 3973 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 3974 | case NL80211_IFTYPE_STATION: |
267335d6 | 3975 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 3976 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
3977 | break; |
3978 | default: | |
77ee7c89 JB |
3979 | err = -EOPNOTSUPP; |
3980 | goto out_put_vlan; | |
034d655e JB |
3981 | } |
3982 | ||
77ee7c89 | 3983 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 3984 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 3985 | |
77ee7c89 | 3986 | out_put_vlan: |
5727ef1b JB |
3987 | if (params.vlan) |
3988 | dev_put(params.vlan); | |
3b85875a | 3989 | |
5727ef1b JB |
3990 | return err; |
3991 | } | |
3992 | ||
3993 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
3994 | { | |
4c476991 | 3995 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 3996 | int err; |
4c476991 | 3997 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
3998 | struct station_parameters params; |
3999 | u8 *mac_addr = NULL; | |
4000 | ||
4001 | memset(¶ms, 0, sizeof(params)); | |
4002 | ||
984c311b JB |
4003 | if (!rdev->ops->add_station) |
4004 | return -EOPNOTSUPP; | |
4005 | ||
5727ef1b JB |
4006 | if (!info->attrs[NL80211_ATTR_MAC]) |
4007 | return -EINVAL; | |
4008 | ||
5727ef1b JB |
4009 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4010 | return -EINVAL; | |
4011 | ||
4012 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4013 | return -EINVAL; | |
4014 | ||
0e956c13 TLSC |
4015 | if (!info->attrs[NL80211_ATTR_STA_AID]) |
4016 | return -EINVAL; | |
4017 | ||
5727ef1b JB |
4018 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4019 | params.supported_rates = | |
4020 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4021 | params.supported_rates_len = | |
4022 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4023 | params.listen_interval = | |
4024 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4025 | |
0e956c13 TLSC |
4026 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
4027 | if (!params.aid || params.aid > IEEE80211_MAX_AID) | |
4028 | return -EINVAL; | |
51b50fbe | 4029 | |
9d62a986 JM |
4030 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4031 | params.capability = | |
4032 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4033 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4034 | } | |
4035 | ||
4036 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4037 | params.ext_capab = | |
4038 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4039 | params.ext_capab_len = | |
4040 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4041 | } | |
4042 | ||
36aedc90 JM |
4043 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4044 | params.ht_capa = | |
4045 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4046 | |
f461be3e MP |
4047 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4048 | params.vht_capa = | |
4049 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4050 | ||
f8bacc21 | 4051 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4052 | params.plink_action = |
f8bacc21 JB |
4053 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4054 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4055 | return -EINVAL; | |
4056 | } | |
96b78dff | 4057 | |
ff276691 JB |
4058 | err = nl80211_parse_sta_wme(info, ¶ms); |
4059 | if (err) | |
4060 | return err; | |
bdd90d5e | 4061 | |
bdd3ae3d | 4062 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4063 | return -EINVAL; |
4064 | ||
77ee7c89 JB |
4065 | /* When you run into this, adjust the code below for the new flag */ |
4066 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4067 | ||
bdd90d5e JB |
4068 | switch (dev->ieee80211_ptr->iftype) { |
4069 | case NL80211_IFTYPE_AP: | |
4070 | case NL80211_IFTYPE_AP_VLAN: | |
4071 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4072 | /* ignore WME attributes if iface/sta is not capable */ |
4073 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4074 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4075 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4076 | |
bdd90d5e JB |
4077 | /* TDLS peers cannot be added */ |
4078 | if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4319e193 | 4079 | return -EINVAL; |
bdd90d5e JB |
4080 | /* but don't bother the driver with it */ |
4081 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4082 | |
d582cffb JB |
4083 | /* allow authenticated/associated only if driver handles it */ |
4084 | if (!(rdev->wiphy.features & | |
4085 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4086 | params.sta_flags_mask & | |
4087 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4088 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4089 | return -EINVAL; | |
4090 | ||
bdd90d5e JB |
4091 | /* must be last in here for error handling */ |
4092 | params.vlan = get_vlan(info, rdev); | |
4093 | if (IS_ERR(params.vlan)) | |
4094 | return PTR_ERR(params.vlan); | |
4095 | break; | |
4096 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4097 | /* ignore uAPSD data */ |
4098 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4099 | ||
d582cffb JB |
4100 | /* associated is disallowed */ |
4101 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4102 | return -EINVAL; | |
bdd90d5e JB |
4103 | /* TDLS peers cannot be added */ |
4104 | if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4105 | return -EINVAL; | |
4106 | break; | |
4107 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4108 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4109 | /* ignore uAPSD data */ |
4110 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4111 | ||
77ee7c89 JB |
4112 | /* these are disallowed */ |
4113 | if (params.sta_flags_mask & | |
4114 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4115 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4116 | return -EINVAL; |
bdd90d5e JB |
4117 | /* Only TDLS peers can be added */ |
4118 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4119 | return -EINVAL; | |
4120 | /* Can only add if TDLS ... */ | |
4121 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4122 | return -EOPNOTSUPP; | |
4123 | /* ... with external setup is supported */ | |
4124 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4125 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4126 | /* |
4127 | * Older wpa_supplicant versions always mark the TDLS peer | |
4128 | * as authorized, but it shouldn't yet be. | |
4129 | */ | |
4130 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4131 | break; |
4132 | default: | |
4133 | return -EOPNOTSUPP; | |
c75786c9 EP |
4134 | } |
4135 | ||
bdd90d5e | 4136 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4137 | |
e35e4d28 | 4138 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4139 | |
5727ef1b JB |
4140 | if (params.vlan) |
4141 | dev_put(params.vlan); | |
5727ef1b JB |
4142 | return err; |
4143 | } | |
4144 | ||
4145 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4146 | { | |
4c476991 JB |
4147 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4148 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
4149 | u8 *mac_addr = NULL; |
4150 | ||
4151 | if (info->attrs[NL80211_ATTR_MAC]) | |
4152 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4153 | ||
e80cf853 | 4154 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4155 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4156 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4157 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4158 | return -EINVAL; | |
5727ef1b | 4159 | |
4c476991 JB |
4160 | if (!rdev->ops->del_station) |
4161 | return -EOPNOTSUPP; | |
3b85875a | 4162 | |
e35e4d28 | 4163 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
4164 | } |
4165 | ||
15e47304 | 4166 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4167 | int flags, struct net_device *dev, |
4168 | u8 *dst, u8 *next_hop, | |
4169 | struct mpath_info *pinfo) | |
4170 | { | |
4171 | void *hdr; | |
4172 | struct nlattr *pinfoattr; | |
4173 | ||
15e47304 | 4174 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
4175 | if (!hdr) |
4176 | return -1; | |
4177 | ||
9360ffd1 DM |
4178 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4179 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4180 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4181 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4182 | goto nla_put_failure; | |
f5ea9120 | 4183 | |
2ec600d6 LCC |
4184 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4185 | if (!pinfoattr) | |
4186 | goto nla_put_failure; | |
9360ffd1 DM |
4187 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4188 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4189 | pinfo->frame_qlen)) | |
4190 | goto nla_put_failure; | |
4191 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4192 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4193 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4194 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4195 | pinfo->metric)) || | |
4196 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4197 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4198 | pinfo->exptime)) || | |
4199 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4200 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4201 | pinfo->flags)) || | |
4202 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4203 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4204 | pinfo->discovery_timeout)) || | |
4205 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4206 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4207 | pinfo->discovery_retries))) | |
4208 | goto nla_put_failure; | |
2ec600d6 LCC |
4209 | |
4210 | nla_nest_end(msg, pinfoattr); | |
4211 | ||
4212 | return genlmsg_end(msg, hdr); | |
4213 | ||
4214 | nla_put_failure: | |
bc3ed28c TG |
4215 | genlmsg_cancel(msg, hdr); |
4216 | return -EMSGSIZE; | |
2ec600d6 LCC |
4217 | } |
4218 | ||
4219 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4220 | struct netlink_callback *cb) |
2ec600d6 | 4221 | { |
2ec600d6 LCC |
4222 | struct mpath_info pinfo; |
4223 | struct cfg80211_registered_device *dev; | |
97990a06 | 4224 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4225 | u8 dst[ETH_ALEN]; |
4226 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4227 | int path_idx = cb->args[2]; |
2ec600d6 | 4228 | int err; |
2ec600d6 | 4229 | |
97990a06 | 4230 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
4231 | if (err) |
4232 | return err; | |
bba95fef JB |
4233 | |
4234 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 4235 | err = -EOPNOTSUPP; |
bba95fef JB |
4236 | goto out_err; |
4237 | } | |
4238 | ||
97990a06 | 4239 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4240 | err = -EOPNOTSUPP; |
0448b5fc | 4241 | goto out_err; |
eec60b03 JM |
4242 | } |
4243 | ||
bba95fef | 4244 | while (1) { |
97990a06 JB |
4245 | err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst, |
4246 | next_hop, &pinfo); | |
bba95fef | 4247 | if (err == -ENOENT) |
2ec600d6 | 4248 | break; |
bba95fef | 4249 | if (err) |
3b85875a | 4250 | goto out_err; |
2ec600d6 | 4251 | |
15e47304 | 4252 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4253 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4254 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4255 | &pinfo) < 0) |
4256 | goto out; | |
2ec600d6 | 4257 | |
bba95fef | 4258 | path_idx++; |
2ec600d6 | 4259 | } |
2ec600d6 | 4260 | |
2ec600d6 | 4261 | |
bba95fef | 4262 | out: |
97990a06 | 4263 | cb->args[2] = path_idx; |
bba95fef | 4264 | err = skb->len; |
bba95fef | 4265 | out_err: |
97990a06 | 4266 | nl80211_finish_wdev_dump(dev); |
bba95fef | 4267 | return err; |
2ec600d6 LCC |
4268 | } |
4269 | ||
4270 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4271 | { | |
4c476991 | 4272 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4273 | int err; |
4c476991 | 4274 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4275 | struct mpath_info pinfo; |
4276 | struct sk_buff *msg; | |
4277 | u8 *dst = NULL; | |
4278 | u8 next_hop[ETH_ALEN]; | |
4279 | ||
4280 | memset(&pinfo, 0, sizeof(pinfo)); | |
4281 | ||
4282 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4283 | return -EINVAL; | |
4284 | ||
4285 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4286 | ||
4c476991 JB |
4287 | if (!rdev->ops->get_mpath) |
4288 | return -EOPNOTSUPP; | |
2ec600d6 | 4289 | |
4c476991 JB |
4290 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4291 | return -EOPNOTSUPP; | |
eec60b03 | 4292 | |
e35e4d28 | 4293 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4294 | if (err) |
4c476991 | 4295 | return err; |
2ec600d6 | 4296 | |
fd2120ca | 4297 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4298 | if (!msg) |
4c476991 | 4299 | return -ENOMEM; |
2ec600d6 | 4300 | |
15e47304 | 4301 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4302 | dev, dst, next_hop, &pinfo) < 0) { |
4303 | nlmsg_free(msg); | |
4304 | return -ENOBUFS; | |
4305 | } | |
3b85875a | 4306 | |
4c476991 | 4307 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4308 | } |
4309 | ||
4310 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4311 | { | |
4c476991 JB |
4312 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4313 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4314 | u8 *dst = NULL; |
4315 | u8 *next_hop = NULL; | |
4316 | ||
4317 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4318 | return -EINVAL; | |
4319 | ||
4320 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4321 | return -EINVAL; | |
4322 | ||
4323 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4324 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4325 | ||
4c476991 JB |
4326 | if (!rdev->ops->change_mpath) |
4327 | return -EOPNOTSUPP; | |
35a8efe1 | 4328 | |
4c476991 JB |
4329 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4330 | return -EOPNOTSUPP; | |
2ec600d6 | 4331 | |
e35e4d28 | 4332 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4333 | } |
4c476991 | 4334 | |
2ec600d6 LCC |
4335 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4336 | { | |
4c476991 JB |
4337 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4338 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4339 | u8 *dst = NULL; |
4340 | u8 *next_hop = NULL; | |
4341 | ||
4342 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4343 | return -EINVAL; | |
4344 | ||
4345 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4346 | return -EINVAL; | |
4347 | ||
4348 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4349 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4350 | ||
4c476991 JB |
4351 | if (!rdev->ops->add_mpath) |
4352 | return -EOPNOTSUPP; | |
35a8efe1 | 4353 | |
4c476991 JB |
4354 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4355 | return -EOPNOTSUPP; | |
2ec600d6 | 4356 | |
e35e4d28 | 4357 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4358 | } |
4359 | ||
4360 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4361 | { | |
4c476991 JB |
4362 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4363 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4364 | u8 *dst = NULL; |
4365 | ||
4366 | if (info->attrs[NL80211_ATTR_MAC]) | |
4367 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4368 | ||
4c476991 JB |
4369 | if (!rdev->ops->del_mpath) |
4370 | return -EOPNOTSUPP; | |
3b85875a | 4371 | |
e35e4d28 | 4372 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4373 | } |
4374 | ||
9f1ba906 JM |
4375 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4376 | { | |
4c476991 JB |
4377 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4378 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
4379 | struct bss_parameters params; |
4380 | ||
4381 | memset(¶ms, 0, sizeof(params)); | |
4382 | /* default to not changing parameters */ | |
4383 | params.use_cts_prot = -1; | |
4384 | params.use_short_preamble = -1; | |
4385 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4386 | params.ap_isolate = -1; |
50b12f59 | 4387 | params.ht_opmode = -1; |
53cabad7 JB |
4388 | params.p2p_ctwindow = -1; |
4389 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4390 | |
4391 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4392 | params.use_cts_prot = | |
4393 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4394 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4395 | params.use_short_preamble = | |
4396 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4397 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4398 | params.use_short_slot_time = | |
4399 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4400 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4401 | params.basic_rates = | |
4402 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4403 | params.basic_rates_len = | |
4404 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4405 | } | |
fd8aaaf3 FF |
4406 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4407 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4408 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4409 | params.ht_opmode = | |
4410 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4411 | |
53cabad7 JB |
4412 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4413 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4414 | return -EINVAL; | |
4415 | params.p2p_ctwindow = | |
4416 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4417 | if (params.p2p_ctwindow < 0) | |
4418 | return -EINVAL; | |
4419 | if (params.p2p_ctwindow != 0 && | |
4420 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4421 | return -EINVAL; | |
4422 | } | |
4423 | ||
4424 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4425 | u8 tmp; | |
4426 | ||
4427 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4428 | return -EINVAL; | |
4429 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4430 | if (tmp > 1) | |
4431 | return -EINVAL; | |
4432 | params.p2p_opp_ps = tmp; | |
4433 | if (params.p2p_opp_ps && | |
4434 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4435 | return -EINVAL; | |
4436 | } | |
4437 | ||
4c476991 JB |
4438 | if (!rdev->ops->change_bss) |
4439 | return -EOPNOTSUPP; | |
9f1ba906 | 4440 | |
074ac8df | 4441 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4442 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4443 | return -EOPNOTSUPP; | |
3b85875a | 4444 | |
e35e4d28 | 4445 | return rdev_change_bss(rdev, dev, ¶ms); |
9f1ba906 JM |
4446 | } |
4447 | ||
b54452b0 | 4448 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4449 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4450 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4451 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4452 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4453 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4454 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
4455 | }; | |
4456 | ||
4457 | static int parse_reg_rule(struct nlattr *tb[], | |
4458 | struct ieee80211_reg_rule *reg_rule) | |
4459 | { | |
4460 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4461 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4462 | ||
4463 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4464 | return -EINVAL; | |
4465 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4466 | return -EINVAL; | |
4467 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4468 | return -EINVAL; | |
4469 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
4470 | return -EINVAL; | |
4471 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
4472 | return -EINVAL; | |
4473 | ||
4474 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4475 | ||
4476 | freq_range->start_freq_khz = | |
4477 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4478 | freq_range->end_freq_khz = | |
4479 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
4480 | freq_range->max_bandwidth_khz = | |
4481 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
4482 | ||
4483 | power_rule->max_eirp = | |
4484 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4485 | ||
4486 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4487 | power_rule->max_antenna_gain = | |
4488 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4489 | ||
4490 | return 0; | |
4491 | } | |
4492 | ||
4493 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4494 | { | |
4495 | int r; | |
4496 | char *data = NULL; | |
57b5ce07 | 4497 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4498 | |
80778f18 LR |
4499 | /* |
4500 | * You should only get this when cfg80211 hasn't yet initialized | |
4501 | * completely when built-in to the kernel right between the time | |
4502 | * window between nl80211_init() and regulatory_init(), if that is | |
4503 | * even possible. | |
4504 | */ | |
458f4f9e | 4505 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4506 | return -EINPROGRESS; |
80778f18 | 4507 | |
fe33eb39 LR |
4508 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4509 | return -EINVAL; | |
b2e1b302 LR |
4510 | |
4511 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4512 | ||
57b5ce07 LR |
4513 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4514 | user_reg_hint_type = | |
4515 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4516 | else | |
4517 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4518 | ||
4519 | switch (user_reg_hint_type) { | |
4520 | case NL80211_USER_REG_HINT_USER: | |
4521 | case NL80211_USER_REG_HINT_CELL_BASE: | |
4522 | break; | |
4523 | default: | |
4524 | return -EINVAL; | |
4525 | } | |
4526 | ||
4527 | r = regulatory_hint_user(data, user_reg_hint_type); | |
fe33eb39 | 4528 | |
b2e1b302 LR |
4529 | return r; |
4530 | } | |
4531 | ||
24bdd9f4 | 4532 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4533 | struct genl_info *info) |
93da9cc1 | 4534 | { |
4c476991 | 4535 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4536 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4537 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4538 | struct mesh_config cur_params; | |
4539 | int err = 0; | |
93da9cc1 | 4540 | void *hdr; |
4541 | struct nlattr *pinfoattr; | |
4542 | struct sk_buff *msg; | |
4543 | ||
29cbe68c JB |
4544 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4545 | return -EOPNOTSUPP; | |
4546 | ||
24bdd9f4 | 4547 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4548 | return -EOPNOTSUPP; |
f3f92586 | 4549 | |
29cbe68c JB |
4550 | wdev_lock(wdev); |
4551 | /* If not connected, get default parameters */ | |
4552 | if (!wdev->mesh_id_len) | |
4553 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4554 | else | |
e35e4d28 | 4555 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4556 | wdev_unlock(wdev); |
4557 | ||
93da9cc1 | 4558 | if (err) |
4c476991 | 4559 | return err; |
93da9cc1 | 4560 | |
4561 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4562 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4563 | if (!msg) |
4564 | return -ENOMEM; | |
15e47304 | 4565 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4566 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4567 | if (!hdr) |
efe1cf0c | 4568 | goto out; |
24bdd9f4 | 4569 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4570 | if (!pinfoattr) |
4571 | goto nla_put_failure; | |
9360ffd1 DM |
4572 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4573 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4574 | cur_params.dot11MeshRetryTimeout) || | |
4575 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4576 | cur_params.dot11MeshConfirmTimeout) || | |
4577 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4578 | cur_params.dot11MeshHoldingTimeout) || | |
4579 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4580 | cur_params.dot11MeshMaxPeerLinks) || | |
4581 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4582 | cur_params.dot11MeshMaxRetries) || | |
4583 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4584 | cur_params.dot11MeshTTL) || | |
4585 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4586 | cur_params.element_ttl) || | |
4587 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4588 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4589 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4590 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4591 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4592 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4593 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4594 | cur_params.path_refresh_time) || | |
4595 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4596 | cur_params.min_discovery_timeout) || | |
4597 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4598 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4599 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4600 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4601 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4602 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4603 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4604 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4605 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4606 | cur_params.dot11MeshHWMPRootMode) || | |
4607 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4608 | cur_params.dot11MeshHWMPRannInterval) || | |
4609 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4610 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4611 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4612 | cur_params.dot11MeshForwarding) || | |
4613 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4614 | cur_params.rssi_threshold) || |
4615 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4616 | cur_params.ht_opmode) || |
4617 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4618 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4619 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4620 | cur_params.dot11MeshHWMProotInterval) || |
4621 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4622 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4623 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4624 | cur_params.power_mode) || | |
4625 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
4626 | cur_params.dot11MeshAwakeWindowDuration)) | |
9360ffd1 | 4627 | goto nla_put_failure; |
93da9cc1 | 4628 | nla_nest_end(msg, pinfoattr); |
4629 | genlmsg_end(msg, hdr); | |
4c476991 | 4630 | return genlmsg_reply(msg, info); |
93da9cc1 | 4631 | |
3b85875a | 4632 | nla_put_failure: |
93da9cc1 | 4633 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4634 | out: |
d080e275 | 4635 | nlmsg_free(msg); |
4c476991 | 4636 | return -ENOBUFS; |
93da9cc1 | 4637 | } |
4638 | ||
b54452b0 | 4639 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4640 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4641 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4642 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4643 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4644 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4645 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4646 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4647 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4648 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4649 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4650 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4651 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4652 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4653 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4654 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4655 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4656 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4657 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4658 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4659 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4660 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4661 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4662 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4663 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4664 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4665 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4666 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
93da9cc1 | 4667 | }; |
4668 | ||
c80d545d JC |
4669 | static const struct nla_policy |
4670 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4671 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4672 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4673 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4674 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 4675 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 4676 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 4677 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4678 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4679 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4680 | }; |
4681 | ||
24bdd9f4 | 4682 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4683 | struct mesh_config *cfg, |
4684 | u32 *mask_out) | |
93da9cc1 | 4685 | { |
93da9cc1 | 4686 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4687 | u32 mask = 0; |
93da9cc1 | 4688 | |
ea54fba2 MP |
4689 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4690 | do { \ | |
4691 | if (tb[attr]) { \ | |
4692 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4693 | return -EINVAL; \ | |
4694 | cfg->param = fn(tb[attr]); \ | |
4695 | mask |= (1 << (attr - 1)); \ | |
4696 | } \ | |
4697 | } while (0) | |
bd90fdcc JB |
4698 | |
4699 | ||
24bdd9f4 | 4700 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4701 | return -EINVAL; |
4702 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4703 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4704 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4705 | return -EINVAL; |
4706 | ||
93da9cc1 | 4707 | /* This makes sure that there aren't more than 32 mesh config |
4708 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4709 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4710 | ||
4711 | /* Fill in the params struct */ | |
ea54fba2 | 4712 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4713 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4714 | nla_get_u16); | |
ea54fba2 | 4715 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4716 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4717 | nla_get_u16); | |
ea54fba2 | 4718 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4719 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4720 | nla_get_u16); | |
ea54fba2 | 4721 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4722 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4723 | nla_get_u16); | |
ea54fba2 | 4724 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4725 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4726 | nla_get_u8); | |
ea54fba2 | 4727 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4728 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4729 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4730 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4731 | nla_get_u8); | |
ea54fba2 | 4732 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4733 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4734 | nla_get_u8); | |
ea54fba2 MP |
4735 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4736 | 1, 255, mask, | |
a4f606ea CYY |
4737 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4738 | nla_get_u32); | |
ea54fba2 | 4739 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4740 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4741 | nla_get_u8); | |
ea54fba2 | 4742 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4743 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4744 | nla_get_u32); | |
ea54fba2 | 4745 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4746 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4747 | nla_get_u16); | |
ea54fba2 MP |
4748 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4749 | 1, 65535, mask, | |
a4f606ea CYY |
4750 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4751 | nla_get_u32); | |
93da9cc1 | 4752 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4753 | 1, 65535, mask, |
4754 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4755 | nla_get_u16); |
dca7e943 | 4756 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4757 | 1, 65535, mask, |
4758 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4759 | nla_get_u16); |
93da9cc1 | 4760 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4761 | dot11MeshHWMPnetDiameterTraversalTime, |
4762 | 1, 65535, mask, | |
a4f606ea CYY |
4763 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
4764 | nla_get_u16); | |
ea54fba2 MP |
4765 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
4766 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4767 | nla_get_u8); | |
4768 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
4769 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 4770 | nla_get_u16); |
63c5723b | 4771 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4772 | dot11MeshGateAnnouncementProtocol, 0, 1, |
4773 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 4774 | nla_get_u8); |
ea54fba2 | 4775 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
4776 | mask, NL80211_MESHCONF_FORWARDING, |
4777 | nla_get_u8); | |
ea54fba2 | 4778 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, 1, 255, |
a4f606ea CYY |
4779 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
4780 | nla_get_u32); | |
ea54fba2 | 4781 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 4782 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
4783 | nla_get_u16); |
4784 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 4785 | 1, 65535, mask, |
ac1073a6 CYY |
4786 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
4787 | nla_get_u32); | |
ea54fba2 | 4788 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 4789 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
4790 | nla_get_u16); |
4791 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
4792 | dot11MeshHWMPconfirmationInterval, |
4793 | 1, 65535, mask, | |
728b19e5 | 4794 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 4795 | nla_get_u16); |
3b1c5a53 MP |
4796 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
4797 | NL80211_MESH_POWER_ACTIVE, | |
4798 | NL80211_MESH_POWER_MAX, | |
4799 | mask, NL80211_MESHCONF_POWER_MODE, | |
4800 | nla_get_u32); | |
4801 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
4802 | 0, 65535, mask, | |
4803 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
bd90fdcc JB |
4804 | if (mask_out) |
4805 | *mask_out = mask; | |
c80d545d | 4806 | |
bd90fdcc JB |
4807 | return 0; |
4808 | ||
4809 | #undef FILL_IN_MESH_PARAM_IF_SET | |
4810 | } | |
4811 | ||
c80d545d JC |
4812 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
4813 | struct mesh_setup *setup) | |
4814 | { | |
bb2798d4 | 4815 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
4816 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
4817 | ||
4818 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
4819 | return -EINVAL; | |
4820 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
4821 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
4822 | nl80211_mesh_setup_params_policy)) | |
4823 | return -EINVAL; | |
4824 | ||
d299a1f2 JC |
4825 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
4826 | setup->sync_method = | |
4827 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
4828 | IEEE80211_SYNC_METHOD_VENDOR : | |
4829 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
4830 | ||
c80d545d JC |
4831 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
4832 | setup->path_sel_proto = | |
4833 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
4834 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
4835 | IEEE80211_PATH_PROTOCOL_HWMP; | |
4836 | ||
4837 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
4838 | setup->path_metric = | |
4839 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
4840 | IEEE80211_PATH_METRIC_VENDOR : | |
4841 | IEEE80211_PATH_METRIC_AIRTIME; | |
4842 | ||
581a8b0f JC |
4843 | |
4844 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 4845 | struct nlattr *ieattr = |
581a8b0f | 4846 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
4847 | if (!is_valid_ie_attr(ieattr)) |
4848 | return -EINVAL; | |
581a8b0f JC |
4849 | setup->ie = nla_data(ieattr); |
4850 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 4851 | } |
bb2798d4 TP |
4852 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
4853 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
4854 | return -EINVAL; | |
4855 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
4856 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
4857 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
4858 | if (setup->is_secure) |
4859 | setup->user_mpm = true; | |
c80d545d | 4860 | |
6e16d90b CT |
4861 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
4862 | if (!setup->user_mpm) | |
4863 | return -EINVAL; | |
4864 | setup->auth_id = | |
4865 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
4866 | } | |
4867 | ||
c80d545d JC |
4868 | return 0; |
4869 | } | |
4870 | ||
24bdd9f4 | 4871 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 4872 | struct genl_info *info) |
bd90fdcc JB |
4873 | { |
4874 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4875 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 4876 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
4877 | struct mesh_config cfg; |
4878 | u32 mask; | |
4879 | int err; | |
4880 | ||
29cbe68c JB |
4881 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4882 | return -EOPNOTSUPP; | |
4883 | ||
24bdd9f4 | 4884 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
4885 | return -EOPNOTSUPP; |
4886 | ||
24bdd9f4 | 4887 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
4888 | if (err) |
4889 | return err; | |
4890 | ||
29cbe68c JB |
4891 | wdev_lock(wdev); |
4892 | if (!wdev->mesh_id_len) | |
4893 | err = -ENOLINK; | |
4894 | ||
4895 | if (!err) | |
e35e4d28 | 4896 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
4897 | |
4898 | wdev_unlock(wdev); | |
4899 | ||
4900 | return err; | |
93da9cc1 | 4901 | } |
4902 | ||
f130347c LR |
4903 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
4904 | { | |
458f4f9e | 4905 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
4906 | struct sk_buff *msg; |
4907 | void *hdr = NULL; | |
4908 | struct nlattr *nl_reg_rules; | |
4909 | unsigned int i; | |
4910 | int err = -EINVAL; | |
4911 | ||
a1794390 | 4912 | mutex_lock(&cfg80211_mutex); |
f130347c LR |
4913 | |
4914 | if (!cfg80211_regdomain) | |
4915 | goto out; | |
4916 | ||
fd2120ca | 4917 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
f130347c LR |
4918 | if (!msg) { |
4919 | err = -ENOBUFS; | |
4920 | goto out; | |
4921 | } | |
4922 | ||
15e47304 | 4923 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
4924 | NL80211_CMD_GET_REG); |
4925 | if (!hdr) | |
efe1cf0c | 4926 | goto put_failure; |
f130347c | 4927 | |
57b5ce07 LR |
4928 | if (reg_last_request_cell_base() && |
4929 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
4930 | NL80211_USER_REG_HINT_CELL_BASE)) | |
4931 | goto nla_put_failure; | |
4932 | ||
458f4f9e JB |
4933 | rcu_read_lock(); |
4934 | regdom = rcu_dereference(cfg80211_regdomain); | |
4935 | ||
4936 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
4937 | (regdom->dfs_region && | |
4938 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
4939 | goto nla_put_failure_rcu; | |
4940 | ||
f130347c LR |
4941 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
4942 | if (!nl_reg_rules) | |
458f4f9e | 4943 | goto nla_put_failure_rcu; |
f130347c | 4944 | |
458f4f9e | 4945 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
4946 | struct nlattr *nl_reg_rule; |
4947 | const struct ieee80211_reg_rule *reg_rule; | |
4948 | const struct ieee80211_freq_range *freq_range; | |
4949 | const struct ieee80211_power_rule *power_rule; | |
4950 | ||
458f4f9e | 4951 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
4952 | freq_range = ®_rule->freq_range; |
4953 | power_rule = ®_rule->power_rule; | |
4954 | ||
4955 | nl_reg_rule = nla_nest_start(msg, i); | |
4956 | if (!nl_reg_rule) | |
458f4f9e | 4957 | goto nla_put_failure_rcu; |
f130347c | 4958 | |
9360ffd1 DM |
4959 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
4960 | reg_rule->flags) || | |
4961 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
4962 | freq_range->start_freq_khz) || | |
4963 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
4964 | freq_range->end_freq_khz) || | |
4965 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
4966 | freq_range->max_bandwidth_khz) || | |
4967 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
4968 | power_rule->max_antenna_gain) || | |
4969 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
4970 | power_rule->max_eirp)) | |
458f4f9e | 4971 | goto nla_put_failure_rcu; |
f130347c LR |
4972 | |
4973 | nla_nest_end(msg, nl_reg_rule); | |
4974 | } | |
458f4f9e | 4975 | rcu_read_unlock(); |
f130347c LR |
4976 | |
4977 | nla_nest_end(msg, nl_reg_rules); | |
4978 | ||
4979 | genlmsg_end(msg, hdr); | |
134e6375 | 4980 | err = genlmsg_reply(msg, info); |
f130347c LR |
4981 | goto out; |
4982 | ||
458f4f9e JB |
4983 | nla_put_failure_rcu: |
4984 | rcu_read_unlock(); | |
f130347c LR |
4985 | nla_put_failure: |
4986 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 4987 | put_failure: |
d080e275 | 4988 | nlmsg_free(msg); |
f130347c LR |
4989 | err = -EMSGSIZE; |
4990 | out: | |
a1794390 | 4991 | mutex_unlock(&cfg80211_mutex); |
f130347c LR |
4992 | return err; |
4993 | } | |
4994 | ||
b2e1b302 LR |
4995 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
4996 | { | |
4997 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
4998 | struct nlattr *nl_reg_rule; | |
4999 | char *alpha2 = NULL; | |
5000 | int rem_reg_rules = 0, r = 0; | |
5001 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
8b60b078 | 5002 | u8 dfs_region = 0; |
b2e1b302 LR |
5003 | struct ieee80211_regdomain *rd = NULL; |
5004 | ||
5005 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5006 | return -EINVAL; | |
5007 | ||
5008 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5009 | return -EINVAL; | |
5010 | ||
5011 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5012 | ||
8b60b078 LR |
5013 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5014 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5015 | ||
b2e1b302 | 5016 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5017 | rem_reg_rules) { |
b2e1b302 LR |
5018 | num_rules++; |
5019 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5020 | return -EINVAL; |
b2e1b302 LR |
5021 | } |
5022 | ||
b2e1b302 | 5023 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5024 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5025 | |
5026 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5027 | if (!rd) |
5028 | return -ENOMEM; | |
b2e1b302 LR |
5029 | |
5030 | rd->n_reg_rules = num_rules; | |
5031 | rd->alpha2[0] = alpha2[0]; | |
5032 | rd->alpha2[1] = alpha2[1]; | |
5033 | ||
8b60b078 LR |
5034 | /* |
5035 | * Disable DFS master mode if the DFS region was | |
5036 | * not supported or known on this kernel. | |
5037 | */ | |
5038 | if (reg_supported_dfs_region(dfs_region)) | |
5039 | rd->dfs_region = dfs_region; | |
5040 | ||
b2e1b302 | 5041 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5042 | rem_reg_rules) { |
b2e1b302 | 5043 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
1a919318 JB |
5044 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), |
5045 | reg_rule_policy); | |
b2e1b302 LR |
5046 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5047 | if (r) | |
5048 | goto bad_reg; | |
5049 | ||
5050 | rule_idx++; | |
5051 | ||
d0e18f83 LR |
5052 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5053 | r = -EINVAL; | |
b2e1b302 | 5054 | goto bad_reg; |
d0e18f83 | 5055 | } |
b2e1b302 LR |
5056 | } |
5057 | ||
6913b49a JB |
5058 | mutex_lock(&cfg80211_mutex); |
5059 | ||
b2e1b302 | 5060 | r = set_regdom(rd); |
6913b49a | 5061 | /* set_regdom took ownership */ |
1a919318 | 5062 | rd = NULL; |
6913b49a | 5063 | mutex_unlock(&cfg80211_mutex); |
b2e1b302 | 5064 | |
d2372b31 | 5065 | bad_reg: |
b2e1b302 | 5066 | kfree(rd); |
d0e18f83 | 5067 | return r; |
b2e1b302 LR |
5068 | } |
5069 | ||
83f5e2cf JB |
5070 | static int validate_scan_freqs(struct nlattr *freqs) |
5071 | { | |
5072 | struct nlattr *attr1, *attr2; | |
5073 | int n_channels = 0, tmp1, tmp2; | |
5074 | ||
5075 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5076 | n_channels++; | |
5077 | /* | |
5078 | * Some hardware has a limited channel list for | |
5079 | * scanning, and it is pretty much nonsensical | |
5080 | * to scan for a channel twice, so disallow that | |
5081 | * and don't require drivers to check that the | |
5082 | * channel list they get isn't longer than what | |
5083 | * they can scan, as long as they can scan all | |
5084 | * the channels they registered at once. | |
5085 | */ | |
5086 | nla_for_each_nested(attr2, freqs, tmp2) | |
5087 | if (attr1 != attr2 && | |
5088 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5089 | return 0; | |
5090 | } | |
5091 | ||
5092 | return n_channels; | |
5093 | } | |
5094 | ||
2a519311 JB |
5095 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5096 | { | |
4c476991 | 5097 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5098 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5099 | struct cfg80211_scan_request *request; |
2a519311 JB |
5100 | struct nlattr *attr; |
5101 | struct wiphy *wiphy; | |
83f5e2cf | 5102 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5103 | size_t ie_len; |
2a519311 | 5104 | |
f4a11bb0 JB |
5105 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5106 | return -EINVAL; | |
5107 | ||
79c97e97 | 5108 | wiphy = &rdev->wiphy; |
2a519311 | 5109 | |
4c476991 JB |
5110 | if (!rdev->ops->scan) |
5111 | return -EOPNOTSUPP; | |
2a519311 | 5112 | |
f9f47529 JB |
5113 | mutex_lock(&rdev->sched_scan_mtx); |
5114 | if (rdev->scan_req) { | |
5115 | err = -EBUSY; | |
5116 | goto unlock; | |
5117 | } | |
2a519311 JB |
5118 | |
5119 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5120 | n_channels = validate_scan_freqs( |
5121 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5122 | if (!n_channels) { |
5123 | err = -EINVAL; | |
5124 | goto unlock; | |
5125 | } | |
2a519311 | 5126 | } else { |
34850ab2 | 5127 | enum ieee80211_band band; |
83f5e2cf JB |
5128 | n_channels = 0; |
5129 | ||
2a519311 JB |
5130 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
5131 | if (wiphy->bands[band]) | |
5132 | n_channels += wiphy->bands[band]->n_channels; | |
5133 | } | |
5134 | ||
5135 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5136 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5137 | n_ssids++; | |
5138 | ||
f9f47529 JB |
5139 | if (n_ssids > wiphy->max_scan_ssids) { |
5140 | err = -EINVAL; | |
5141 | goto unlock; | |
5142 | } | |
2a519311 | 5143 | |
70692ad2 JM |
5144 | if (info->attrs[NL80211_ATTR_IE]) |
5145 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5146 | else | |
5147 | ie_len = 0; | |
5148 | ||
f9f47529 JB |
5149 | if (ie_len > wiphy->max_scan_ie_len) { |
5150 | err = -EINVAL; | |
5151 | goto unlock; | |
5152 | } | |
18a83659 | 5153 | |
2a519311 | 5154 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5155 | + sizeof(*request->ssids) * n_ssids |
5156 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5157 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5158 | if (!request) { |
5159 | err = -ENOMEM; | |
5160 | goto unlock; | |
5161 | } | |
2a519311 | 5162 | |
2a519311 | 5163 | if (n_ssids) |
5ba63533 | 5164 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5165 | request->n_ssids = n_ssids; |
70692ad2 JM |
5166 | if (ie_len) { |
5167 | if (request->ssids) | |
5168 | request->ie = (void *)(request->ssids + n_ssids); | |
5169 | else | |
5170 | request->ie = (void *)(request->channels + n_channels); | |
5171 | } | |
2a519311 | 5172 | |
584991dc | 5173 | i = 0; |
2a519311 JB |
5174 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5175 | /* user specified, bail out if channel not found */ | |
2a519311 | 5176 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5177 | struct ieee80211_channel *chan; |
5178 | ||
5179 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5180 | ||
5181 | if (!chan) { | |
2a519311 JB |
5182 | err = -EINVAL; |
5183 | goto out_free; | |
5184 | } | |
584991dc JB |
5185 | |
5186 | /* ignore disabled channels */ | |
5187 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5188 | continue; | |
5189 | ||
5190 | request->channels[i] = chan; | |
2a519311 JB |
5191 | i++; |
5192 | } | |
5193 | } else { | |
34850ab2 JB |
5194 | enum ieee80211_band band; |
5195 | ||
2a519311 | 5196 | /* all channels */ |
2a519311 JB |
5197 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5198 | int j; | |
5199 | if (!wiphy->bands[band]) | |
5200 | continue; | |
5201 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5202 | struct ieee80211_channel *chan; |
5203 | ||
5204 | chan = &wiphy->bands[band]->channels[j]; | |
5205 | ||
5206 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5207 | continue; | |
5208 | ||
5209 | request->channels[i] = chan; | |
2a519311 JB |
5210 | i++; |
5211 | } | |
5212 | } | |
5213 | } | |
5214 | ||
584991dc JB |
5215 | if (!i) { |
5216 | err = -EINVAL; | |
5217 | goto out_free; | |
5218 | } | |
5219 | ||
5220 | request->n_channels = i; | |
5221 | ||
2a519311 JB |
5222 | i = 0; |
5223 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5224 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5225 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5226 | err = -EINVAL; |
5227 | goto out_free; | |
5228 | } | |
57a27e1d | 5229 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5230 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5231 | i++; |
5232 | } | |
5233 | } | |
5234 | ||
70692ad2 JM |
5235 | if (info->attrs[NL80211_ATTR_IE]) { |
5236 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5237 | memcpy((void *)request->ie, |
5238 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5239 | request->ie_len); |
5240 | } | |
5241 | ||
34850ab2 | 5242 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5243 | if (wiphy->bands[i]) |
5244 | request->rates[i] = | |
5245 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5246 | |
5247 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5248 | nla_for_each_nested(attr, | |
5249 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5250 | tmp) { | |
5251 | enum ieee80211_band band = nla_type(attr); | |
5252 | ||
84404623 | 5253 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5254 | err = -EINVAL; |
5255 | goto out_free; | |
5256 | } | |
5257 | err = ieee80211_get_ratemask(wiphy->bands[band], | |
5258 | nla_data(attr), | |
5259 | nla_len(attr), | |
5260 | &request->rates[band]); | |
5261 | if (err) | |
5262 | goto out_free; | |
5263 | } | |
5264 | } | |
5265 | ||
46856bbf | 5266 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5267 | request->flags = nla_get_u32( |
5268 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
5269 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5270 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
5271 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
5272 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
5273 | err = -EOPNOTSUPP; |
5274 | goto out_free; | |
5275 | } | |
5276 | } | |
ed473771 | 5277 | |
e9f935e3 RM |
5278 | request->no_cck = |
5279 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5280 | ||
fd014284 | 5281 | request->wdev = wdev; |
79c97e97 | 5282 | request->wiphy = &rdev->wiphy; |
15d6030b | 5283 | request->scan_start = jiffies; |
2a519311 | 5284 | |
79c97e97 | 5285 | rdev->scan_req = request; |
e35e4d28 | 5286 | err = rdev_scan(rdev, request); |
2a519311 | 5287 | |
463d0183 | 5288 | if (!err) { |
fd014284 JB |
5289 | nl80211_send_scan_start(rdev, wdev); |
5290 | if (wdev->netdev) | |
5291 | dev_hold(wdev->netdev); | |
4c476991 | 5292 | } else { |
2a519311 | 5293 | out_free: |
79c97e97 | 5294 | rdev->scan_req = NULL; |
2a519311 JB |
5295 | kfree(request); |
5296 | } | |
3b85875a | 5297 | |
f9f47529 JB |
5298 | unlock: |
5299 | mutex_unlock(&rdev->sched_scan_mtx); | |
2a519311 JB |
5300 | return err; |
5301 | } | |
5302 | ||
807f8a8c LC |
5303 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5304 | struct genl_info *info) | |
5305 | { | |
5306 | struct cfg80211_sched_scan_request *request; | |
5307 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5308 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5309 | struct nlattr *attr; |
5310 | struct wiphy *wiphy; | |
a1f1c21c | 5311 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5312 | u32 interval; |
807f8a8c LC |
5313 | enum ieee80211_band band; |
5314 | size_t ie_len; | |
a1f1c21c | 5315 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
5316 | |
5317 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5318 | !rdev->ops->sched_scan_start) | |
5319 | return -EOPNOTSUPP; | |
5320 | ||
5321 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5322 | return -EINVAL; | |
5323 | ||
bbe6ad6d LC |
5324 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5325 | return -EINVAL; | |
5326 | ||
5327 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5328 | if (interval == 0) | |
5329 | return -EINVAL; | |
5330 | ||
807f8a8c LC |
5331 | wiphy = &rdev->wiphy; |
5332 | ||
5333 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5334 | n_channels = validate_scan_freqs( | |
5335 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5336 | if (!n_channels) | |
5337 | return -EINVAL; | |
5338 | } else { | |
5339 | n_channels = 0; | |
5340 | ||
5341 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
5342 | if (wiphy->bands[band]) | |
5343 | n_channels += wiphy->bands[band]->n_channels; | |
5344 | } | |
5345 | ||
5346 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5347 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5348 | tmp) | |
5349 | n_ssids++; | |
5350 | ||
93b6aa69 | 5351 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5352 | return -EINVAL; |
5353 | ||
a1f1c21c LC |
5354 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
5355 | nla_for_each_nested(attr, | |
5356 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5357 | tmp) | |
5358 | n_match_sets++; | |
5359 | ||
5360 | if (n_match_sets > wiphy->max_match_sets) | |
5361 | return -EINVAL; | |
5362 | ||
807f8a8c LC |
5363 | if (info->attrs[NL80211_ATTR_IE]) |
5364 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5365 | else | |
5366 | ie_len = 0; | |
5367 | ||
5a865bad | 5368 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5369 | return -EINVAL; |
5370 | ||
c10841ca LC |
5371 | mutex_lock(&rdev->sched_scan_mtx); |
5372 | ||
5373 | if (rdev->sched_scan_req) { | |
5374 | err = -EINPROGRESS; | |
5375 | goto out; | |
5376 | } | |
5377 | ||
807f8a8c | 5378 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5379 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5380 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5381 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5382 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5383 | if (!request) { |
5384 | err = -ENOMEM; | |
5385 | goto out; | |
5386 | } | |
807f8a8c LC |
5387 | |
5388 | if (n_ssids) | |
5389 | request->ssids = (void *)&request->channels[n_channels]; | |
5390 | request->n_ssids = n_ssids; | |
5391 | if (ie_len) { | |
5392 | if (request->ssids) | |
5393 | request->ie = (void *)(request->ssids + n_ssids); | |
5394 | else | |
5395 | request->ie = (void *)(request->channels + n_channels); | |
5396 | } | |
5397 | ||
a1f1c21c LC |
5398 | if (n_match_sets) { |
5399 | if (request->ie) | |
5400 | request->match_sets = (void *)(request->ie + ie_len); | |
5401 | else if (request->ssids) | |
5402 | request->match_sets = | |
5403 | (void *)(request->ssids + n_ssids); | |
5404 | else | |
5405 | request->match_sets = | |
5406 | (void *)(request->channels + n_channels); | |
5407 | } | |
5408 | request->n_match_sets = n_match_sets; | |
5409 | ||
807f8a8c LC |
5410 | i = 0; |
5411 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5412 | /* user specified, bail out if channel not found */ | |
5413 | nla_for_each_nested(attr, | |
5414 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5415 | tmp) { | |
5416 | struct ieee80211_channel *chan; | |
5417 | ||
5418 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5419 | ||
5420 | if (!chan) { | |
5421 | err = -EINVAL; | |
5422 | goto out_free; | |
5423 | } | |
5424 | ||
5425 | /* ignore disabled channels */ | |
5426 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5427 | continue; | |
5428 | ||
5429 | request->channels[i] = chan; | |
5430 | i++; | |
5431 | } | |
5432 | } else { | |
5433 | /* all channels */ | |
5434 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5435 | int j; | |
5436 | if (!wiphy->bands[band]) | |
5437 | continue; | |
5438 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5439 | struct ieee80211_channel *chan; | |
5440 | ||
5441 | chan = &wiphy->bands[band]->channels[j]; | |
5442 | ||
5443 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5444 | continue; | |
5445 | ||
5446 | request->channels[i] = chan; | |
5447 | i++; | |
5448 | } | |
5449 | } | |
5450 | } | |
5451 | ||
5452 | if (!i) { | |
5453 | err = -EINVAL; | |
5454 | goto out_free; | |
5455 | } | |
5456 | ||
5457 | request->n_channels = i; | |
5458 | ||
5459 | i = 0; | |
5460 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5461 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5462 | tmp) { | |
57a27e1d | 5463 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5464 | err = -EINVAL; |
5465 | goto out_free; | |
5466 | } | |
57a27e1d | 5467 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5468 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5469 | nla_len(attr)); | |
807f8a8c LC |
5470 | i++; |
5471 | } | |
5472 | } | |
5473 | ||
a1f1c21c LC |
5474 | i = 0; |
5475 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5476 | nla_for_each_nested(attr, | |
5477 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5478 | tmp) { | |
88e920b4 | 5479 | struct nlattr *ssid, *rssi; |
a1f1c21c LC |
5480 | |
5481 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5482 | nla_data(attr), nla_len(attr), | |
5483 | nl80211_match_policy); | |
4a4ab0d7 | 5484 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c LC |
5485 | if (ssid) { |
5486 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
5487 | err = -EINVAL; | |
5488 | goto out_free; | |
5489 | } | |
5490 | memcpy(request->match_sets[i].ssid.ssid, | |
5491 | nla_data(ssid), nla_len(ssid)); | |
5492 | request->match_sets[i].ssid.ssid_len = | |
5493 | nla_len(ssid); | |
5494 | } | |
88e920b4 TP |
5495 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; |
5496 | if (rssi) | |
5497 | request->rssi_thold = nla_get_u32(rssi); | |
5498 | else | |
5499 | request->rssi_thold = | |
5500 | NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5501 | i++; |
5502 | } | |
5503 | } | |
5504 | ||
807f8a8c LC |
5505 | if (info->attrs[NL80211_ATTR_IE]) { |
5506 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5507 | memcpy((void *)request->ie, | |
5508 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5509 | request->ie_len); | |
5510 | } | |
5511 | ||
46856bbf | 5512 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5513 | request->flags = nla_get_u32( |
5514 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
5515 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5516 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
5517 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
5518 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
5519 | err = -EOPNOTSUPP; |
5520 | goto out_free; | |
5521 | } | |
5522 | } | |
ed473771 | 5523 | |
807f8a8c LC |
5524 | request->dev = dev; |
5525 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5526 | request->interval = interval; |
15d6030b | 5527 | request->scan_start = jiffies; |
807f8a8c | 5528 | |
e35e4d28 | 5529 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5530 | if (!err) { |
5531 | rdev->sched_scan_req = request; | |
5532 | nl80211_send_sched_scan(rdev, dev, | |
5533 | NL80211_CMD_START_SCHED_SCAN); | |
5534 | goto out; | |
5535 | } | |
5536 | ||
5537 | out_free: | |
5538 | kfree(request); | |
5539 | out: | |
c10841ca | 5540 | mutex_unlock(&rdev->sched_scan_mtx); |
807f8a8c LC |
5541 | return err; |
5542 | } | |
5543 | ||
5544 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5545 | struct genl_info *info) | |
5546 | { | |
5547 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
c10841ca | 5548 | int err; |
807f8a8c LC |
5549 | |
5550 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5551 | !rdev->ops->sched_scan_stop) | |
5552 | return -EOPNOTSUPP; | |
5553 | ||
c10841ca LC |
5554 | mutex_lock(&rdev->sched_scan_mtx); |
5555 | err = __cfg80211_stop_sched_scan(rdev, false); | |
5556 | mutex_unlock(&rdev->sched_scan_mtx); | |
5557 | ||
5558 | return err; | |
807f8a8c LC |
5559 | } |
5560 | ||
04f39047 SW |
5561 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5562 | struct genl_info *info) | |
5563 | { | |
5564 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5565 | struct net_device *dev = info->user_ptr[1]; | |
5566 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5567 | struct cfg80211_chan_def chandef; | |
5568 | int err; | |
5569 | ||
5570 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
5571 | if (err) | |
5572 | return err; | |
5573 | ||
5574 | if (wdev->cac_started) | |
5575 | return -EBUSY; | |
5576 | ||
5577 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); | |
5578 | if (err < 0) | |
5579 | return err; | |
5580 | ||
5581 | if (err == 0) | |
5582 | return -EINVAL; | |
5583 | ||
5584 | if (chandef.chan->dfs_state != NL80211_DFS_USABLE) | |
5585 | return -EINVAL; | |
5586 | ||
5587 | if (!rdev->ops->start_radar_detection) | |
5588 | return -EOPNOTSUPP; | |
5589 | ||
5590 | mutex_lock(&rdev->devlist_mtx); | |
5591 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, | |
5592 | chandef.chan, CHAN_MODE_SHARED, | |
5593 | BIT(chandef.width)); | |
5594 | if (err) | |
5595 | goto err_locked; | |
5596 | ||
5597 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); | |
5598 | if (!err) { | |
5599 | wdev->channel = chandef.chan; | |
5600 | wdev->cac_started = true; | |
5601 | wdev->cac_start_time = jiffies; | |
5602 | } | |
5603 | err_locked: | |
5604 | mutex_unlock(&rdev->devlist_mtx); | |
5605 | ||
5606 | return err; | |
5607 | } | |
5608 | ||
9720bb3a JB |
5609 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
5610 | u32 seq, int flags, | |
2a519311 | 5611 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
5612 | struct wireless_dev *wdev, |
5613 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 5614 | { |
48ab905d | 5615 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 5616 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
5617 | void *hdr; |
5618 | struct nlattr *bss; | |
8cef2c9d | 5619 | bool tsf = false; |
48ab905d JB |
5620 | |
5621 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 5622 | |
15e47304 | 5623 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
5624 | NL80211_CMD_NEW_SCAN_RESULTS); |
5625 | if (!hdr) | |
5626 | return -1; | |
5627 | ||
9720bb3a JB |
5628 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
5629 | ||
97990a06 JB |
5630 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
5631 | goto nla_put_failure; | |
5632 | if (wdev->netdev && | |
9360ffd1 DM |
5633 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
5634 | goto nla_put_failure; | |
97990a06 JB |
5635 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
5636 | goto nla_put_failure; | |
2a519311 JB |
5637 | |
5638 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
5639 | if (!bss) | |
5640 | goto nla_put_failure; | |
9360ffd1 | 5641 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 5642 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 5643 | goto nla_put_failure; |
9caf0364 JB |
5644 | |
5645 | rcu_read_lock(); | |
5646 | ies = rcu_dereference(res->ies); | |
8cef2c9d JB |
5647 | if (ies) { |
5648 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5649 | goto fail_unlock_rcu; | |
5650 | tsf = true; | |
5651 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
5652 | ies->len, ies->data)) | |
5653 | goto fail_unlock_rcu; | |
9caf0364 JB |
5654 | } |
5655 | ies = rcu_dereference(res->beacon_ies); | |
8cef2c9d JB |
5656 | if (ies) { |
5657 | if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5658 | goto fail_unlock_rcu; | |
5659 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
5660 | ies->len, ies->data)) | |
5661 | goto fail_unlock_rcu; | |
9caf0364 JB |
5662 | } |
5663 | rcu_read_unlock(); | |
5664 | ||
9360ffd1 DM |
5665 | if (res->beacon_interval && |
5666 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
5667 | goto nla_put_failure; | |
5668 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
5669 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
5670 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, | |
5671 | jiffies_to_msecs(jiffies - intbss->ts))) | |
5672 | goto nla_put_failure; | |
2a519311 | 5673 | |
77965c97 | 5674 | switch (rdev->wiphy.signal_type) { |
2a519311 | 5675 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
5676 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
5677 | goto nla_put_failure; | |
2a519311 JB |
5678 | break; |
5679 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
5680 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
5681 | goto nla_put_failure; | |
2a519311 JB |
5682 | break; |
5683 | default: | |
5684 | break; | |
5685 | } | |
5686 | ||
48ab905d | 5687 | switch (wdev->iftype) { |
074ac8df | 5688 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 5689 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
5690 | if (intbss == wdev->current_bss && |
5691 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5692 | NL80211_BSS_STATUS_ASSOCIATED)) | |
5693 | goto nla_put_failure; | |
48ab905d JB |
5694 | break; |
5695 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
5696 | if (intbss == wdev->current_bss && |
5697 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5698 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
5699 | goto nla_put_failure; | |
48ab905d JB |
5700 | break; |
5701 | default: | |
5702 | break; | |
5703 | } | |
5704 | ||
2a519311 JB |
5705 | nla_nest_end(msg, bss); |
5706 | ||
5707 | return genlmsg_end(msg, hdr); | |
5708 | ||
8cef2c9d JB |
5709 | fail_unlock_rcu: |
5710 | rcu_read_unlock(); | |
2a519311 JB |
5711 | nla_put_failure: |
5712 | genlmsg_cancel(msg, hdr); | |
5713 | return -EMSGSIZE; | |
5714 | } | |
5715 | ||
97990a06 | 5716 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 5717 | { |
48ab905d | 5718 | struct cfg80211_registered_device *rdev; |
2a519311 | 5719 | struct cfg80211_internal_bss *scan; |
48ab905d | 5720 | struct wireless_dev *wdev; |
97990a06 | 5721 | int start = cb->args[2], idx = 0; |
2a519311 JB |
5722 | int err; |
5723 | ||
97990a06 | 5724 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5725 | if (err) |
5726 | return err; | |
2a519311 | 5727 | |
48ab905d JB |
5728 | wdev_lock(wdev); |
5729 | spin_lock_bh(&rdev->bss_lock); | |
5730 | cfg80211_bss_expire(rdev); | |
5731 | ||
9720bb3a JB |
5732 | cb->seq = rdev->bss_generation; |
5733 | ||
48ab905d | 5734 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
5735 | if (++idx <= start) |
5736 | continue; | |
9720bb3a | 5737 | if (nl80211_send_bss(skb, cb, |
2a519311 | 5738 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 5739 | rdev, wdev, scan) < 0) { |
2a519311 | 5740 | idx--; |
67748893 | 5741 | break; |
2a519311 JB |
5742 | } |
5743 | } | |
5744 | ||
48ab905d JB |
5745 | spin_unlock_bh(&rdev->bss_lock); |
5746 | wdev_unlock(wdev); | |
2a519311 | 5747 | |
97990a06 JB |
5748 | cb->args[2] = idx; |
5749 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 5750 | |
67748893 | 5751 | return skb->len; |
2a519311 JB |
5752 | } |
5753 | ||
15e47304 | 5754 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
5755 | int flags, struct net_device *dev, |
5756 | struct survey_info *survey) | |
5757 | { | |
5758 | void *hdr; | |
5759 | struct nlattr *infoattr; | |
5760 | ||
15e47304 | 5761 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
5762 | NL80211_CMD_NEW_SURVEY_RESULTS); |
5763 | if (!hdr) | |
5764 | return -ENOMEM; | |
5765 | ||
9360ffd1 DM |
5766 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
5767 | goto nla_put_failure; | |
61fa713c HS |
5768 | |
5769 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
5770 | if (!infoattr) | |
5771 | goto nla_put_failure; | |
5772 | ||
9360ffd1 DM |
5773 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
5774 | survey->channel->center_freq)) | |
5775 | goto nla_put_failure; | |
5776 | ||
5777 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
5778 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
5779 | goto nla_put_failure; | |
5780 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
5781 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
5782 | goto nla_put_failure; | |
5783 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
5784 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
5785 | survey->channel_time)) | |
5786 | goto nla_put_failure; | |
5787 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
5788 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
5789 | survey->channel_time_busy)) | |
5790 | goto nla_put_failure; | |
5791 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
5792 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
5793 | survey->channel_time_ext_busy)) | |
5794 | goto nla_put_failure; | |
5795 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
5796 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
5797 | survey->channel_time_rx)) | |
5798 | goto nla_put_failure; | |
5799 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
5800 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
5801 | survey->channel_time_tx)) | |
5802 | goto nla_put_failure; | |
61fa713c HS |
5803 | |
5804 | nla_nest_end(msg, infoattr); | |
5805 | ||
5806 | return genlmsg_end(msg, hdr); | |
5807 | ||
5808 | nla_put_failure: | |
5809 | genlmsg_cancel(msg, hdr); | |
5810 | return -EMSGSIZE; | |
5811 | } | |
5812 | ||
5813 | static int nl80211_dump_survey(struct sk_buff *skb, | |
5814 | struct netlink_callback *cb) | |
5815 | { | |
5816 | struct survey_info survey; | |
5817 | struct cfg80211_registered_device *dev; | |
97990a06 JB |
5818 | struct wireless_dev *wdev; |
5819 | int survey_idx = cb->args[2]; | |
61fa713c HS |
5820 | int res; |
5821 | ||
97990a06 | 5822 | res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
5823 | if (res) |
5824 | return res; | |
61fa713c | 5825 | |
97990a06 JB |
5826 | if (!wdev->netdev) { |
5827 | res = -EINVAL; | |
5828 | goto out_err; | |
5829 | } | |
5830 | ||
61fa713c HS |
5831 | if (!dev->ops->dump_survey) { |
5832 | res = -EOPNOTSUPP; | |
5833 | goto out_err; | |
5834 | } | |
5835 | ||
5836 | while (1) { | |
180cdc79 LR |
5837 | struct ieee80211_channel *chan; |
5838 | ||
97990a06 | 5839 | res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
5840 | if (res == -ENOENT) |
5841 | break; | |
5842 | if (res) | |
5843 | goto out_err; | |
5844 | ||
180cdc79 LR |
5845 | /* Survey without a channel doesn't make sense */ |
5846 | if (!survey.channel) { | |
5847 | res = -EINVAL; | |
5848 | goto out; | |
5849 | } | |
5850 | ||
5851 | chan = ieee80211_get_channel(&dev->wiphy, | |
5852 | survey.channel->center_freq); | |
5853 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
5854 | survey_idx++; | |
5855 | continue; | |
5856 | } | |
5857 | ||
61fa713c | 5858 | if (nl80211_send_survey(skb, |
15e47304 | 5859 | NETLINK_CB(cb->skb).portid, |
61fa713c | 5860 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 5861 | wdev->netdev, &survey) < 0) |
61fa713c HS |
5862 | goto out; |
5863 | survey_idx++; | |
5864 | } | |
5865 | ||
5866 | out: | |
97990a06 | 5867 | cb->args[2] = survey_idx; |
61fa713c HS |
5868 | res = skb->len; |
5869 | out_err: | |
97990a06 | 5870 | nl80211_finish_wdev_dump(dev); |
61fa713c HS |
5871 | return res; |
5872 | } | |
5873 | ||
b23aa676 SO |
5874 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
5875 | { | |
5876 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
5877 | NL80211_WPA_VERSION_2)); | |
5878 | } | |
5879 | ||
636a5d36 JM |
5880 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
5881 | { | |
4c476991 JB |
5882 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5883 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 5884 | struct ieee80211_channel *chan; |
e39e5b5e JM |
5885 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
5886 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 5887 | enum nl80211_auth_type auth_type; |
fffd0934 | 5888 | struct key_parse key; |
d5cdfacb | 5889 | bool local_state_change; |
636a5d36 | 5890 | |
f4a11bb0 JB |
5891 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5892 | return -EINVAL; | |
5893 | ||
5894 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5895 | return -EINVAL; | |
5896 | ||
1778092e JM |
5897 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
5898 | return -EINVAL; | |
5899 | ||
19957bb3 JB |
5900 | if (!info->attrs[NL80211_ATTR_SSID]) |
5901 | return -EINVAL; | |
5902 | ||
5903 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
5904 | return -EINVAL; | |
5905 | ||
fffd0934 JB |
5906 | err = nl80211_parse_key(info, &key); |
5907 | if (err) | |
5908 | return err; | |
5909 | ||
5910 | if (key.idx >= 0) { | |
e31b8213 JB |
5911 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
5912 | return -EINVAL; | |
fffd0934 JB |
5913 | if (!key.p.key || !key.p.key_len) |
5914 | return -EINVAL; | |
5915 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
5916 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
5917 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
5918 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
5919 | return -EINVAL; | |
5920 | if (key.idx > 4) | |
5921 | return -EINVAL; | |
5922 | } else { | |
5923 | key.p.key_len = 0; | |
5924 | key.p.key = NULL; | |
5925 | } | |
5926 | ||
afea0b7a JB |
5927 | if (key.idx >= 0) { |
5928 | int i; | |
5929 | bool ok = false; | |
5930 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
5931 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
5932 | ok = true; | |
5933 | break; | |
5934 | } | |
5935 | } | |
4c476991 JB |
5936 | if (!ok) |
5937 | return -EINVAL; | |
afea0b7a JB |
5938 | } |
5939 | ||
4c476991 JB |
5940 | if (!rdev->ops->auth) |
5941 | return -EOPNOTSUPP; | |
636a5d36 | 5942 | |
074ac8df | 5943 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5944 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5945 | return -EOPNOTSUPP; | |
eec60b03 | 5946 | |
19957bb3 | 5947 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 5948 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 5949 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
5950 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
5951 | return -EINVAL; | |
636a5d36 | 5952 | |
19957bb3 JB |
5953 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
5954 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
5955 | |
5956 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
5957 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
5958 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
5959 | } |
5960 | ||
19957bb3 | 5961 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 5962 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 5963 | return -EINVAL; |
636a5d36 | 5964 | |
e39e5b5e JM |
5965 | if (auth_type == NL80211_AUTHTYPE_SAE && |
5966 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
5967 | return -EINVAL; | |
5968 | ||
5969 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
5970 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
5971 | return -EINVAL; | |
5972 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
5973 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
5974 | /* need to include at least Auth Transaction and Status Code */ | |
5975 | if (sae_data_len < 4) | |
5976 | return -EINVAL; | |
5977 | } | |
5978 | ||
d5cdfacb JM |
5979 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
5980 | ||
95de817b JB |
5981 | /* |
5982 | * Since we no longer track auth state, ignore | |
5983 | * requests to only change local state. | |
5984 | */ | |
5985 | if (local_state_change) | |
5986 | return 0; | |
5987 | ||
4c476991 JB |
5988 | return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
5989 | ssid, ssid_len, ie, ie_len, | |
e39e5b5e JM |
5990 | key.p.key, key.p.key_len, key.idx, |
5991 | sae_data, sae_data_len); | |
636a5d36 JM |
5992 | } |
5993 | ||
c0692b8f JB |
5994 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
5995 | struct genl_info *info, | |
3dc27d25 JB |
5996 | struct cfg80211_crypto_settings *settings, |
5997 | int cipher_limit) | |
b23aa676 | 5998 | { |
c0b2bbd8 JB |
5999 | memset(settings, 0, sizeof(*settings)); |
6000 | ||
b23aa676 SO |
6001 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6002 | ||
c0692b8f JB |
6003 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6004 | u16 proto; | |
6005 | proto = nla_get_u16( | |
6006 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6007 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6008 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6009 | proto != ETH_P_PAE) | |
6010 | return -EINVAL; | |
6011 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6012 | settings->control_port_no_encrypt = true; | |
6013 | } else | |
6014 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6015 | ||
b23aa676 SO |
6016 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6017 | void *data; | |
6018 | int len, i; | |
6019 | ||
6020 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6021 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6022 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6023 | ||
6024 | if (len % sizeof(u32)) | |
6025 | return -EINVAL; | |
6026 | ||
3dc27d25 | 6027 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6028 | return -EINVAL; |
6029 | ||
6030 | memcpy(settings->ciphers_pairwise, data, len); | |
6031 | ||
6032 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6033 | if (!cfg80211_supported_cipher_suite( |
6034 | &rdev->wiphy, | |
b23aa676 SO |
6035 | settings->ciphers_pairwise[i])) |
6036 | return -EINVAL; | |
6037 | } | |
6038 | ||
6039 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6040 | settings->cipher_group = | |
6041 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6042 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6043 | settings->cipher_group)) | |
b23aa676 SO |
6044 | return -EINVAL; |
6045 | } | |
6046 | ||
6047 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6048 | settings->wpa_versions = | |
6049 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6050 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6051 | return -EINVAL; | |
6052 | } | |
6053 | ||
6054 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6055 | void *data; | |
6d30240e | 6056 | int len; |
b23aa676 SO |
6057 | |
6058 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6059 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6060 | settings->n_akm_suites = len / sizeof(u32); | |
6061 | ||
6062 | if (len % sizeof(u32)) | |
6063 | return -EINVAL; | |
6064 | ||
1b9ca027 JM |
6065 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6066 | return -EINVAL; | |
6067 | ||
b23aa676 | 6068 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6069 | } |
6070 | ||
6071 | return 0; | |
6072 | } | |
6073 | ||
636a5d36 JM |
6074 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6075 | { | |
4c476991 JB |
6076 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6077 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6078 | struct ieee80211_channel *chan; |
f62fab73 JB |
6079 | struct cfg80211_assoc_request req = {}; |
6080 | const u8 *bssid, *ssid; | |
6081 | int err, ssid_len = 0; | |
636a5d36 | 6082 | |
f4a11bb0 JB |
6083 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6084 | return -EINVAL; | |
6085 | ||
6086 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6087 | !info->attrs[NL80211_ATTR_SSID] || |
6088 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6089 | return -EINVAL; |
6090 | ||
4c476991 JB |
6091 | if (!rdev->ops->assoc) |
6092 | return -EOPNOTSUPP; | |
636a5d36 | 6093 | |
074ac8df | 6094 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6095 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6096 | return -EOPNOTSUPP; | |
eec60b03 | 6097 | |
19957bb3 | 6098 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6099 | |
19957bb3 JB |
6100 | chan = ieee80211_get_channel(&rdev->wiphy, |
6101 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
6102 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6103 | return -EINVAL; | |
636a5d36 | 6104 | |
19957bb3 JB |
6105 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6106 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6107 | |
6108 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6109 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6110 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6111 | } |
6112 | ||
dc6382ce | 6113 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6114 | enum nl80211_mfp mfp = |
dc6382ce | 6115 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6116 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6117 | req.use_mfp = true; |
4c476991 JB |
6118 | else if (mfp != NL80211_MFP_NO) |
6119 | return -EINVAL; | |
dc6382ce JM |
6120 | } |
6121 | ||
3e5d7649 | 6122 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6123 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6124 | |
7e7c8926 | 6125 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6126 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6127 | |
6128 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6129 | memcpy(&req.ht_capa_mask, |
6130 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6131 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6132 | |
6133 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6134 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6135 | return -EINVAL; |
f62fab73 JB |
6136 | memcpy(&req.ht_capa, |
6137 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6138 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6139 | } |
6140 | ||
ee2aca34 | 6141 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6142 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6143 | |
6144 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6145 | memcpy(&req.vht_capa_mask, |
6146 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6147 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6148 | |
6149 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6150 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6151 | return -EINVAL; |
f62fab73 JB |
6152 | memcpy(&req.vht_capa, |
6153 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6154 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6155 | } |
6156 | ||
f62fab73 | 6157 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
b23aa676 | 6158 | if (!err) |
f62fab73 JB |
6159 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6160 | ssid, ssid_len, &req); | |
636a5d36 | 6161 | |
636a5d36 JM |
6162 | return err; |
6163 | } | |
6164 | ||
6165 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6166 | { | |
4c476991 JB |
6167 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6168 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6169 | const u8 *ie = NULL, *bssid; |
4c476991 | 6170 | int ie_len = 0; |
19957bb3 | 6171 | u16 reason_code; |
d5cdfacb | 6172 | bool local_state_change; |
636a5d36 | 6173 | |
f4a11bb0 JB |
6174 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6175 | return -EINVAL; | |
6176 | ||
6177 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6178 | return -EINVAL; | |
6179 | ||
6180 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6181 | return -EINVAL; | |
6182 | ||
4c476991 JB |
6183 | if (!rdev->ops->deauth) |
6184 | return -EOPNOTSUPP; | |
636a5d36 | 6185 | |
074ac8df | 6186 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6187 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6188 | return -EOPNOTSUPP; | |
eec60b03 | 6189 | |
19957bb3 | 6190 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6191 | |
19957bb3 JB |
6192 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6193 | if (reason_code == 0) { | |
f4a11bb0 | 6194 | /* Reason Code 0 is reserved */ |
4c476991 | 6195 | return -EINVAL; |
255e737e | 6196 | } |
636a5d36 JM |
6197 | |
6198 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6199 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6200 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6201 | } |
6202 | ||
d5cdfacb JM |
6203 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6204 | ||
4c476991 JB |
6205 | return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, |
6206 | local_state_change); | |
636a5d36 JM |
6207 | } |
6208 | ||
6209 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6210 | { | |
4c476991 JB |
6211 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6212 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6213 | const u8 *ie = NULL, *bssid; |
4c476991 | 6214 | int ie_len = 0; |
19957bb3 | 6215 | u16 reason_code; |
d5cdfacb | 6216 | bool local_state_change; |
636a5d36 | 6217 | |
f4a11bb0 JB |
6218 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6219 | return -EINVAL; | |
6220 | ||
6221 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6222 | return -EINVAL; | |
6223 | ||
6224 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6225 | return -EINVAL; | |
6226 | ||
4c476991 JB |
6227 | if (!rdev->ops->disassoc) |
6228 | return -EOPNOTSUPP; | |
636a5d36 | 6229 | |
074ac8df | 6230 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6231 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6232 | return -EOPNOTSUPP; | |
eec60b03 | 6233 | |
19957bb3 | 6234 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6235 | |
19957bb3 JB |
6236 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6237 | if (reason_code == 0) { | |
f4a11bb0 | 6238 | /* Reason Code 0 is reserved */ |
4c476991 | 6239 | return -EINVAL; |
255e737e | 6240 | } |
636a5d36 JM |
6241 | |
6242 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6243 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6244 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6245 | } |
6246 | ||
d5cdfacb JM |
6247 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6248 | ||
4c476991 JB |
6249 | return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, |
6250 | local_state_change); | |
636a5d36 JM |
6251 | } |
6252 | ||
dd5b4cc7 FF |
6253 | static bool |
6254 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6255 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6256 | int rateval) | |
6257 | { | |
6258 | struct wiphy *wiphy = &rdev->wiphy; | |
6259 | bool found = false; | |
6260 | int band, i; | |
6261 | ||
6262 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6263 | struct ieee80211_supported_band *sband; | |
6264 | ||
6265 | sband = wiphy->bands[band]; | |
6266 | if (!sband) | |
6267 | continue; | |
6268 | ||
6269 | for (i = 0; i < sband->n_bitrates; i++) { | |
6270 | if (sband->bitrates[i].bitrate == rateval) { | |
6271 | mcast_rate[band] = i + 1; | |
6272 | found = true; | |
6273 | break; | |
6274 | } | |
6275 | } | |
6276 | } | |
6277 | ||
6278 | return found; | |
6279 | } | |
6280 | ||
04a773ad JB |
6281 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
6282 | { | |
4c476991 JB |
6283 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6284 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
6285 | struct cfg80211_ibss_params ibss; |
6286 | struct wiphy *wiphy; | |
fffd0934 | 6287 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6288 | int err; |
6289 | ||
8e30bc55 JB |
6290 | memset(&ibss, 0, sizeof(ibss)); |
6291 | ||
04a773ad JB |
6292 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6293 | return -EINVAL; | |
6294 | ||
683b6d3b | 6295 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6296 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6297 | return -EINVAL; | |
6298 | ||
8e30bc55 JB |
6299 | ibss.beacon_interval = 100; |
6300 | ||
6301 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6302 | ibss.beacon_interval = | |
6303 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6304 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6305 | return -EINVAL; | |
6306 | } | |
6307 | ||
4c476991 JB |
6308 | if (!rdev->ops->join_ibss) |
6309 | return -EOPNOTSUPP; | |
04a773ad | 6310 | |
4c476991 JB |
6311 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6312 | return -EOPNOTSUPP; | |
04a773ad | 6313 | |
79c97e97 | 6314 | wiphy = &rdev->wiphy; |
04a773ad | 6315 | |
39193498 | 6316 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6317 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6318 | |
6319 | if (!is_valid_ether_addr(ibss.bssid)) | |
6320 | return -EINVAL; | |
6321 | } | |
04a773ad JB |
6322 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6323 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6324 | ||
6325 | if (info->attrs[NL80211_ATTR_IE]) { | |
6326 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6327 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6328 | } | |
6329 | ||
683b6d3b JB |
6330 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6331 | if (err) | |
6332 | return err; | |
04a773ad | 6333 | |
683b6d3b | 6334 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) |
54858ee5 AS |
6335 | return -EINVAL; |
6336 | ||
db9c64cf JB |
6337 | if (ibss.chandef.width > NL80211_CHAN_WIDTH_40) |
6338 | return -EINVAL; | |
6339 | if (ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT && | |
6340 | !(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
c04d6150 | 6341 | return -EINVAL; |
db9c64cf | 6342 | |
04a773ad | 6343 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6344 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6345 | ||
fbd2c8dc TP |
6346 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6347 | u8 *rates = | |
6348 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6349 | int n_rates = | |
6350 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6351 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6352 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6353 | |
34850ab2 JB |
6354 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6355 | &ibss.basic_rates); | |
6356 | if (err) | |
6357 | return err; | |
fbd2c8dc | 6358 | } |
dd5b4cc7 FF |
6359 | |
6360 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && | |
6361 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6362 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6363 | return -EINVAL; | |
fbd2c8dc | 6364 | |
4c476991 | 6365 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6366 | bool no_ht = false; |
6367 | ||
4c476991 | 6368 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6369 | info->attrs[NL80211_ATTR_KEYS], |
6370 | &no_ht); | |
4c476991 JB |
6371 | if (IS_ERR(connkeys)) |
6372 | return PTR_ERR(connkeys); | |
de7044ee | 6373 | |
3d9d1d66 JB |
6374 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6375 | no_ht) { | |
de7044ee SM |
6376 | kfree(connkeys); |
6377 | return -EINVAL; | |
6378 | } | |
4c476991 | 6379 | } |
04a773ad | 6380 | |
267335d6 AQ |
6381 | ibss.control_port = |
6382 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6383 | ||
4c476991 | 6384 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
6385 | if (err) |
6386 | kfree(connkeys); | |
04a773ad JB |
6387 | return err; |
6388 | } | |
6389 | ||
6390 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6391 | { | |
4c476991 JB |
6392 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6393 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6394 | |
4c476991 JB |
6395 | if (!rdev->ops->leave_ibss) |
6396 | return -EOPNOTSUPP; | |
04a773ad | 6397 | |
4c476991 JB |
6398 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6399 | return -EOPNOTSUPP; | |
04a773ad | 6400 | |
4c476991 | 6401 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6402 | } |
6403 | ||
f4e583c8 AQ |
6404 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6405 | { | |
6406 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6407 | struct net_device *dev = info->user_ptr[1]; | |
6408 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6409 | u32 nla_rate; | |
6410 | int err; | |
6411 | ||
6412 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6413 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6414 | return -EOPNOTSUPP; | |
6415 | ||
6416 | if (!rdev->ops->set_mcast_rate) | |
6417 | return -EOPNOTSUPP; | |
6418 | ||
6419 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6420 | ||
6421 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6422 | return -EINVAL; | |
6423 | ||
6424 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6425 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6426 | return -EINVAL; | |
6427 | ||
6428 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6429 | ||
6430 | return err; | |
6431 | } | |
6432 | ||
6433 | ||
aff89a9b JB |
6434 | #ifdef CONFIG_NL80211_TESTMODE |
6435 | static struct genl_multicast_group nl80211_testmode_mcgrp = { | |
6436 | .name = "testmode", | |
6437 | }; | |
6438 | ||
6439 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) | |
6440 | { | |
4c476991 | 6441 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
aff89a9b JB |
6442 | int err; |
6443 | ||
6444 | if (!info->attrs[NL80211_ATTR_TESTDATA]) | |
6445 | return -EINVAL; | |
6446 | ||
aff89a9b JB |
6447 | err = -EOPNOTSUPP; |
6448 | if (rdev->ops->testmode_cmd) { | |
6449 | rdev->testmode_info = info; | |
e35e4d28 | 6450 | err = rdev_testmode_cmd(rdev, |
aff89a9b JB |
6451 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
6452 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
6453 | rdev->testmode_info = NULL; | |
6454 | } | |
6455 | ||
aff89a9b JB |
6456 | return err; |
6457 | } | |
6458 | ||
71063f0e WYG |
6459 | static int nl80211_testmode_dump(struct sk_buff *skb, |
6460 | struct netlink_callback *cb) | |
6461 | { | |
00918d33 | 6462 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
6463 | int err; |
6464 | long phy_idx; | |
6465 | void *data = NULL; | |
6466 | int data_len = 0; | |
6467 | ||
6468 | if (cb->args[0]) { | |
6469 | /* | |
6470 | * 0 is a valid index, but not valid for args[0], | |
6471 | * so we need to offset by 1. | |
6472 | */ | |
6473 | phy_idx = cb->args[0] - 1; | |
6474 | } else { | |
6475 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
6476 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
6477 | nl80211_policy); | |
6478 | if (err) | |
6479 | return err; | |
00918d33 | 6480 | |
2bd7e35d JB |
6481 | mutex_lock(&cfg80211_mutex); |
6482 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), | |
6483 | nl80211_fam.attrbuf); | |
6484 | if (IS_ERR(rdev)) { | |
6485 | mutex_unlock(&cfg80211_mutex); | |
6486 | return PTR_ERR(rdev); | |
00918d33 | 6487 | } |
2bd7e35d JB |
6488 | phy_idx = rdev->wiphy_idx; |
6489 | rdev = NULL; | |
6490 | mutex_unlock(&cfg80211_mutex); | |
6491 | ||
71063f0e WYG |
6492 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
6493 | cb->args[1] = | |
6494 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
6495 | } | |
6496 | ||
6497 | if (cb->args[1]) { | |
6498 | data = nla_data((void *)cb->args[1]); | |
6499 | data_len = nla_len((void *)cb->args[1]); | |
6500 | } | |
6501 | ||
6502 | mutex_lock(&cfg80211_mutex); | |
00918d33 JB |
6503 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
6504 | if (!rdev) { | |
71063f0e WYG |
6505 | mutex_unlock(&cfg80211_mutex); |
6506 | return -ENOENT; | |
6507 | } | |
00918d33 | 6508 | cfg80211_lock_rdev(rdev); |
71063f0e WYG |
6509 | mutex_unlock(&cfg80211_mutex); |
6510 | ||
00918d33 | 6511 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
6512 | err = -EOPNOTSUPP; |
6513 | goto out_err; | |
6514 | } | |
6515 | ||
6516 | while (1) { | |
15e47304 | 6517 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
6518 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
6519 | NL80211_CMD_TESTMODE); | |
6520 | struct nlattr *tmdata; | |
6521 | ||
9360ffd1 | 6522 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
6523 | genlmsg_cancel(skb, hdr); |
6524 | break; | |
6525 | } | |
6526 | ||
6527 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
6528 | if (!tmdata) { | |
6529 | genlmsg_cancel(skb, hdr); | |
6530 | break; | |
6531 | } | |
e35e4d28 | 6532 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
6533 | nla_nest_end(skb, tmdata); |
6534 | ||
6535 | if (err == -ENOBUFS || err == -ENOENT) { | |
6536 | genlmsg_cancel(skb, hdr); | |
6537 | break; | |
6538 | } else if (err) { | |
6539 | genlmsg_cancel(skb, hdr); | |
6540 | goto out_err; | |
6541 | } | |
6542 | ||
6543 | genlmsg_end(skb, hdr); | |
6544 | } | |
6545 | ||
6546 | err = skb->len; | |
6547 | /* see above */ | |
6548 | cb->args[0] = phy_idx + 1; | |
6549 | out_err: | |
00918d33 | 6550 | cfg80211_unlock_rdev(rdev); |
71063f0e WYG |
6551 | return err; |
6552 | } | |
6553 | ||
aff89a9b JB |
6554 | static struct sk_buff * |
6555 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
15e47304 | 6556 | int approxlen, u32 portid, u32 seq, gfp_t gfp) |
aff89a9b JB |
6557 | { |
6558 | struct sk_buff *skb; | |
6559 | void *hdr; | |
6560 | struct nlattr *data; | |
6561 | ||
6562 | skb = nlmsg_new(approxlen + 100, gfp); | |
6563 | if (!skb) | |
6564 | return NULL; | |
6565 | ||
15e47304 | 6566 | hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE); |
aff89a9b JB |
6567 | if (!hdr) { |
6568 | kfree_skb(skb); | |
6569 | return NULL; | |
6570 | } | |
6571 | ||
9360ffd1 DM |
6572 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) |
6573 | goto nla_put_failure; | |
aff89a9b JB |
6574 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); |
6575 | ||
6576 | ((void **)skb->cb)[0] = rdev; | |
6577 | ((void **)skb->cb)[1] = hdr; | |
6578 | ((void **)skb->cb)[2] = data; | |
6579 | ||
6580 | return skb; | |
6581 | ||
6582 | nla_put_failure: | |
6583 | kfree_skb(skb); | |
6584 | return NULL; | |
6585 | } | |
6586 | ||
6587 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
6588 | int approxlen) | |
6589 | { | |
6590 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6591 | ||
6592 | if (WARN_ON(!rdev->testmode_info)) | |
6593 | return NULL; | |
6594 | ||
6595 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
15e47304 | 6596 | rdev->testmode_info->snd_portid, |
aff89a9b JB |
6597 | rdev->testmode_info->snd_seq, |
6598 | GFP_KERNEL); | |
6599 | } | |
6600 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
6601 | ||
6602 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
6603 | { | |
6604 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
6605 | void *hdr = ((void **)skb->cb)[1]; | |
6606 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6607 | ||
6608 | if (WARN_ON(!rdev->testmode_info)) { | |
6609 | kfree_skb(skb); | |
6610 | return -EINVAL; | |
6611 | } | |
6612 | ||
6613 | nla_nest_end(skb, data); | |
6614 | genlmsg_end(skb, hdr); | |
6615 | return genlmsg_reply(skb, rdev->testmode_info); | |
6616 | } | |
6617 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
6618 | ||
6619 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
6620 | int approxlen, gfp_t gfp) | |
6621 | { | |
6622 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6623 | ||
6624 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
6625 | } | |
6626 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
6627 | ||
6628 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
6629 | { | |
6630 | void *hdr = ((void **)skb->cb)[1]; | |
6631 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6632 | ||
6633 | nla_nest_end(skb, data); | |
6634 | genlmsg_end(skb, hdr); | |
6635 | genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp); | |
6636 | } | |
6637 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
6638 | #endif | |
6639 | ||
b23aa676 SO |
6640 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
6641 | { | |
4c476991 JB |
6642 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6643 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
6644 | struct cfg80211_connect_params connect; |
6645 | struct wiphy *wiphy; | |
fffd0934 | 6646 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
6647 | int err; |
6648 | ||
6649 | memset(&connect, 0, sizeof(connect)); | |
6650 | ||
6651 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
6652 | return -EINVAL; | |
6653 | ||
6654 | if (!info->attrs[NL80211_ATTR_SSID] || | |
6655 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
6656 | return -EINVAL; | |
6657 | ||
6658 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
6659 | connect.auth_type = | |
6660 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
6661 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
6662 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
6663 | return -EINVAL; |
6664 | } else | |
6665 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
6666 | ||
6667 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
6668 | ||
c0692b8f | 6669 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 6670 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
6671 | if (err) |
6672 | return err; | |
b23aa676 | 6673 | |
074ac8df | 6674 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6675 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6676 | return -EOPNOTSUPP; | |
b23aa676 | 6677 | |
79c97e97 | 6678 | wiphy = &rdev->wiphy; |
b23aa676 | 6679 | |
4486ea98 BS |
6680 | connect.bg_scan_period = -1; |
6681 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
6682 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
6683 | connect.bg_scan_period = | |
6684 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
6685 | } | |
6686 | ||
b23aa676 SO |
6687 | if (info->attrs[NL80211_ATTR_MAC]) |
6688 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6689 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
6690 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6691 | ||
6692 | if (info->attrs[NL80211_ATTR_IE]) { | |
6693 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6694 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6695 | } | |
6696 | ||
cee00a95 JM |
6697 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
6698 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
6699 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
6700 | connect.mfp != NL80211_MFP_NO) | |
6701 | return -EINVAL; | |
6702 | } else { | |
6703 | connect.mfp = NL80211_MFP_NO; | |
6704 | } | |
6705 | ||
b23aa676 SO |
6706 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
6707 | connect.channel = | |
6708 | ieee80211_get_channel(wiphy, | |
6709 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
6710 | if (!connect.channel || | |
4c476991 JB |
6711 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
6712 | return -EINVAL; | |
b23aa676 SO |
6713 | } |
6714 | ||
fffd0934 JB |
6715 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
6716 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 6717 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
6718 | if (IS_ERR(connkeys)) |
6719 | return PTR_ERR(connkeys); | |
fffd0934 JB |
6720 | } |
6721 | ||
7e7c8926 BG |
6722 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
6723 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
6724 | ||
6725 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6726 | memcpy(&connect.ht_capa_mask, | |
6727 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6728 | sizeof(connect.ht_capa_mask)); | |
6729 | ||
6730 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
6731 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
6732 | kfree(connkeys); | |
7e7c8926 | 6733 | return -EINVAL; |
b4e4f47e | 6734 | } |
7e7c8926 BG |
6735 | memcpy(&connect.ht_capa, |
6736 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6737 | sizeof(connect.ht_capa)); | |
6738 | } | |
6739 | ||
ee2aca34 JB |
6740 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
6741 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
6742 | ||
6743 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
6744 | memcpy(&connect.vht_capa_mask, | |
6745 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6746 | sizeof(connect.vht_capa_mask)); | |
6747 | ||
6748 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
6749 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
6750 | kfree(connkeys); | |
6751 | return -EINVAL; | |
6752 | } | |
6753 | memcpy(&connect.vht_capa, | |
6754 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6755 | sizeof(connect.vht_capa)); | |
6756 | } | |
6757 | ||
fffd0934 | 6758 | err = cfg80211_connect(rdev, dev, &connect, connkeys); |
fffd0934 JB |
6759 | if (err) |
6760 | kfree(connkeys); | |
b23aa676 SO |
6761 | return err; |
6762 | } | |
6763 | ||
6764 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
6765 | { | |
4c476991 JB |
6766 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6767 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
6768 | u16 reason; |
6769 | ||
6770 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6771 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
6772 | else | |
6773 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
6774 | ||
6775 | if (reason == 0) | |
6776 | return -EINVAL; | |
6777 | ||
074ac8df | 6778 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6779 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6780 | return -EOPNOTSUPP; | |
b23aa676 | 6781 | |
4c476991 | 6782 | return cfg80211_disconnect(rdev, dev, reason, true); |
b23aa676 SO |
6783 | } |
6784 | ||
463d0183 JB |
6785 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
6786 | { | |
4c476991 | 6787 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
6788 | struct net *net; |
6789 | int err; | |
6790 | u32 pid; | |
6791 | ||
6792 | if (!info->attrs[NL80211_ATTR_PID]) | |
6793 | return -EINVAL; | |
6794 | ||
6795 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
6796 | ||
463d0183 | 6797 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
6798 | if (IS_ERR(net)) |
6799 | return PTR_ERR(net); | |
463d0183 JB |
6800 | |
6801 | err = 0; | |
6802 | ||
6803 | /* check if anything to do */ | |
4c476991 JB |
6804 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
6805 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 6806 | |
463d0183 | 6807 | put_net(net); |
463d0183 JB |
6808 | return err; |
6809 | } | |
6810 | ||
67fbb16b SO |
6811 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
6812 | { | |
4c476991 | 6813 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
6814 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
6815 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 6816 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
6817 | struct cfg80211_pmksa pmksa; |
6818 | ||
6819 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
6820 | ||
6821 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6822 | return -EINVAL; | |
6823 | ||
6824 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
6825 | return -EINVAL; | |
6826 | ||
67fbb16b SO |
6827 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
6828 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6829 | ||
074ac8df | 6830 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6831 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6832 | return -EOPNOTSUPP; | |
67fbb16b SO |
6833 | |
6834 | switch (info->genlhdr->cmd) { | |
6835 | case NL80211_CMD_SET_PMKSA: | |
6836 | rdev_ops = rdev->ops->set_pmksa; | |
6837 | break; | |
6838 | case NL80211_CMD_DEL_PMKSA: | |
6839 | rdev_ops = rdev->ops->del_pmksa; | |
6840 | break; | |
6841 | default: | |
6842 | WARN_ON(1); | |
6843 | break; | |
6844 | } | |
6845 | ||
4c476991 JB |
6846 | if (!rdev_ops) |
6847 | return -EOPNOTSUPP; | |
67fbb16b | 6848 | |
4c476991 | 6849 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
6850 | } |
6851 | ||
6852 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
6853 | { | |
4c476991 JB |
6854 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6855 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 6856 | |
074ac8df | 6857 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6858 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6859 | return -EOPNOTSUPP; | |
67fbb16b | 6860 | |
4c476991 JB |
6861 | if (!rdev->ops->flush_pmksa) |
6862 | return -EOPNOTSUPP; | |
67fbb16b | 6863 | |
e35e4d28 | 6864 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
6865 | } |
6866 | ||
109086ce AN |
6867 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
6868 | { | |
6869 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6870 | struct net_device *dev = info->user_ptr[1]; | |
6871 | u8 action_code, dialog_token; | |
6872 | u16 status_code; | |
6873 | u8 *peer; | |
6874 | ||
6875 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
6876 | !rdev->ops->tdls_mgmt) | |
6877 | return -EOPNOTSUPP; | |
6878 | ||
6879 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
6880 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
6881 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
6882 | !info->attrs[NL80211_ATTR_IE] || | |
6883 | !info->attrs[NL80211_ATTR_MAC]) | |
6884 | return -EINVAL; | |
6885 | ||
6886 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6887 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
6888 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
6889 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
6890 | ||
e35e4d28 HG |
6891 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
6892 | dialog_token, status_code, | |
6893 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
6894 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
6895 | } |
6896 | ||
6897 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
6898 | { | |
6899 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6900 | struct net_device *dev = info->user_ptr[1]; | |
6901 | enum nl80211_tdls_operation operation; | |
6902 | u8 *peer; | |
6903 | ||
6904 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
6905 | !rdev->ops->tdls_oper) | |
6906 | return -EOPNOTSUPP; | |
6907 | ||
6908 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
6909 | !info->attrs[NL80211_ATTR_MAC]) | |
6910 | return -EINVAL; | |
6911 | ||
6912 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
6913 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6914 | ||
e35e4d28 | 6915 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
6916 | } |
6917 | ||
9588bbd5 JM |
6918 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
6919 | struct genl_info *info) | |
6920 | { | |
4c476991 | 6921 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 6922 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 6923 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
6924 | struct sk_buff *msg; |
6925 | void *hdr; | |
6926 | u64 cookie; | |
683b6d3b | 6927 | u32 duration; |
9588bbd5 JM |
6928 | int err; |
6929 | ||
6930 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
6931 | !info->attrs[NL80211_ATTR_DURATION]) | |
6932 | return -EINVAL; | |
6933 | ||
6934 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
6935 | ||
ebf348fc JB |
6936 | if (!rdev->ops->remain_on_channel || |
6937 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
6938 | return -EOPNOTSUPP; | |
6939 | ||
9588bbd5 | 6940 | /* |
ebf348fc JB |
6941 | * We should be on that channel for at least a minimum amount of |
6942 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 6943 | */ |
ebf348fc | 6944 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 6945 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
6946 | return -EINVAL; |
6947 | ||
683b6d3b JB |
6948 | err = nl80211_parse_chandef(rdev, info, &chandef); |
6949 | if (err) | |
6950 | return err; | |
9588bbd5 JM |
6951 | |
6952 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
6953 | if (!msg) |
6954 | return -ENOMEM; | |
9588bbd5 | 6955 | |
15e47304 | 6956 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 JM |
6957 | NL80211_CMD_REMAIN_ON_CHANNEL); |
6958 | ||
6959 | if (IS_ERR(hdr)) { | |
6960 | err = PTR_ERR(hdr); | |
6961 | goto free_msg; | |
6962 | } | |
6963 | ||
683b6d3b JB |
6964 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
6965 | duration, &cookie); | |
9588bbd5 JM |
6966 | |
6967 | if (err) | |
6968 | goto free_msg; | |
6969 | ||
9360ffd1 DM |
6970 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
6971 | goto nla_put_failure; | |
9588bbd5 JM |
6972 | |
6973 | genlmsg_end(msg, hdr); | |
4c476991 JB |
6974 | |
6975 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
6976 | |
6977 | nla_put_failure: | |
6978 | err = -ENOBUFS; | |
6979 | free_msg: | |
6980 | nlmsg_free(msg); | |
9588bbd5 JM |
6981 | return err; |
6982 | } | |
6983 | ||
6984 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
6985 | struct genl_info *info) | |
6986 | { | |
4c476991 | 6987 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 6988 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 6989 | u64 cookie; |
9588bbd5 JM |
6990 | |
6991 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
6992 | return -EINVAL; | |
6993 | ||
4c476991 JB |
6994 | if (!rdev->ops->cancel_remain_on_channel) |
6995 | return -EOPNOTSUPP; | |
9588bbd5 | 6996 | |
9588bbd5 JM |
6997 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
6998 | ||
e35e4d28 | 6999 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7000 | } |
7001 | ||
13ae75b1 JM |
7002 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7003 | u8 *rates, u8 rates_len) | |
7004 | { | |
7005 | u8 i; | |
7006 | u32 mask = 0; | |
7007 | ||
7008 | for (i = 0; i < rates_len; i++) { | |
7009 | int rate = (rates[i] & 0x7f) * 5; | |
7010 | int ridx; | |
7011 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7012 | struct ieee80211_rate *srate = | |
7013 | &sband->bitrates[ridx]; | |
7014 | if (rate == srate->bitrate) { | |
7015 | mask |= 1 << ridx; | |
7016 | break; | |
7017 | } | |
7018 | } | |
7019 | if (ridx == sband->n_bitrates) | |
7020 | return 0; /* rate not found */ | |
7021 | } | |
7022 | ||
7023 | return mask; | |
7024 | } | |
7025 | ||
24db78c0 SW |
7026 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7027 | u8 *rates, u8 rates_len, | |
7028 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7029 | { | |
7030 | u8 i; | |
7031 | ||
7032 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7033 | ||
7034 | for (i = 0; i < rates_len; i++) { | |
7035 | int ridx, rbit; | |
7036 | ||
7037 | ridx = rates[i] / 8; | |
7038 | rbit = BIT(rates[i] % 8); | |
7039 | ||
7040 | /* check validity */ | |
910570b5 | 7041 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7042 | return false; |
7043 | ||
7044 | /* check availability */ | |
7045 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7046 | mcs[ridx] |= rbit; | |
7047 | else | |
7048 | return false; | |
7049 | } | |
7050 | ||
7051 | return true; | |
7052 | } | |
7053 | ||
b54452b0 | 7054 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7055 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7056 | .len = NL80211_MAX_SUPP_RATES }, | |
24db78c0 SW |
7057 | [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, |
7058 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
13ae75b1 JM |
7059 | }; |
7060 | ||
7061 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7062 | struct genl_info *info) | |
7063 | { | |
7064 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7065 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7066 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7067 | int rem, i; |
7068 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7069 | struct nlattr *tx_rates; |
7070 | struct ieee80211_supported_band *sband; | |
7071 | ||
7072 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
7073 | return -EINVAL; | |
7074 | ||
4c476991 JB |
7075 | if (!rdev->ops->set_bitrate_mask) |
7076 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7077 | |
7078 | memset(&mask, 0, sizeof(mask)); | |
7079 | /* Default to all rates enabled */ | |
7080 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7081 | sband = rdev->wiphy.bands[i]; | |
7082 | mask.control[i].legacy = | |
7083 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
24db78c0 SW |
7084 | if (sband) |
7085 | memcpy(mask.control[i].mcs, | |
7086 | sband->ht_cap.mcs.rx_mask, | |
7087 | sizeof(mask.control[i].mcs)); | |
7088 | else | |
7089 | memset(mask.control[i].mcs, 0, | |
7090 | sizeof(mask.control[i].mcs)); | |
13ae75b1 JM |
7091 | } |
7092 | ||
7093 | /* | |
7094 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7095 | * directly to the enum ieee80211_band values used in cfg80211. | |
7096 | */ | |
24db78c0 | 7097 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
13ae75b1 JM |
7098 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
7099 | { | |
7100 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
7101 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7102 | return -EINVAL; | |
13ae75b1 | 7103 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7104 | if (sband == NULL) |
7105 | return -EINVAL; | |
13ae75b1 JM |
7106 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7107 | nla_len(tx_rates), nl80211_txattr_policy); | |
7108 | if (tb[NL80211_TXRATE_LEGACY]) { | |
7109 | mask.control[band].legacy = rateset_to_mask( | |
7110 | sband, | |
7111 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7112 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7113 | if ((mask.control[band].legacy == 0) && |
7114 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7115 | return -EINVAL; | |
24db78c0 SW |
7116 | } |
7117 | if (tb[NL80211_TXRATE_MCS]) { | |
7118 | if (!ht_rateset_to_mask( | |
7119 | sband, | |
7120 | nla_data(tb[NL80211_TXRATE_MCS]), | |
7121 | nla_len(tb[NL80211_TXRATE_MCS]), | |
7122 | mask.control[band].mcs)) | |
7123 | return -EINVAL; | |
7124 | } | |
7125 | ||
7126 | if (mask.control[band].legacy == 0) { | |
7127 | /* don't allow empty legacy rates if HT | |
7128 | * is not even supported. */ | |
7129 | if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) | |
7130 | return -EINVAL; | |
7131 | ||
7132 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
7133 | if (mask.control[band].mcs[i]) | |
7134 | break; | |
7135 | ||
7136 | /* legacy and mcs rates may not be both empty */ | |
7137 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
4c476991 | 7138 | return -EINVAL; |
13ae75b1 JM |
7139 | } |
7140 | } | |
7141 | ||
e35e4d28 | 7142 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7143 | } |
7144 | ||
2e161f78 | 7145 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7146 | { |
4c476991 | 7147 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7148 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7149 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7150 | |
7151 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7152 | return -EINVAL; | |
7153 | ||
2e161f78 JB |
7154 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7155 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7156 | |
71bbc994 JB |
7157 | switch (wdev->iftype) { |
7158 | case NL80211_IFTYPE_STATION: | |
7159 | case NL80211_IFTYPE_ADHOC: | |
7160 | case NL80211_IFTYPE_P2P_CLIENT: | |
7161 | case NL80211_IFTYPE_AP: | |
7162 | case NL80211_IFTYPE_AP_VLAN: | |
7163 | case NL80211_IFTYPE_MESH_POINT: | |
7164 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7165 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7166 | break; |
7167 | default: | |
4c476991 | 7168 | return -EOPNOTSUPP; |
71bbc994 | 7169 | } |
026331c4 JM |
7170 | |
7171 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7172 | if (!rdev->ops->mgmt_tx) |
7173 | return -EOPNOTSUPP; | |
026331c4 | 7174 | |
15e47304 | 7175 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7176 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7177 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7178 | } |
7179 | ||
2e161f78 | 7180 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7181 | { |
4c476991 | 7182 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7183 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7184 | struct cfg80211_chan_def chandef; |
026331c4 | 7185 | int err; |
d64d373f | 7186 | void *hdr = NULL; |
026331c4 | 7187 | u64 cookie; |
e247bd90 | 7188 | struct sk_buff *msg = NULL; |
f7ca38df | 7189 | unsigned int wait = 0; |
e247bd90 JB |
7190 | bool offchan, no_cck, dont_wait_for_ack; |
7191 | ||
7192 | dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; | |
026331c4 | 7193 | |
683b6d3b | 7194 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7195 | return -EINVAL; |
7196 | ||
4c476991 JB |
7197 | if (!rdev->ops->mgmt_tx) |
7198 | return -EOPNOTSUPP; | |
026331c4 | 7199 | |
71bbc994 JB |
7200 | switch (wdev->iftype) { |
7201 | case NL80211_IFTYPE_STATION: | |
7202 | case NL80211_IFTYPE_ADHOC: | |
7203 | case NL80211_IFTYPE_P2P_CLIENT: | |
7204 | case NL80211_IFTYPE_AP: | |
7205 | case NL80211_IFTYPE_AP_VLAN: | |
7206 | case NL80211_IFTYPE_MESH_POINT: | |
7207 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7208 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7209 | break; |
7210 | default: | |
4c476991 | 7211 | return -EOPNOTSUPP; |
71bbc994 | 7212 | } |
026331c4 | 7213 | |
f7ca38df | 7214 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7215 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df JB |
7216 | return -EINVAL; |
7217 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
ebf348fc JB |
7218 | |
7219 | /* | |
7220 | * We should wait on the channel for at least a minimum amount | |
7221 | * of time (10ms) but no longer than the driver supports. | |
7222 | */ | |
7223 | if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || | |
7224 | wait > rdev->wiphy.max_remain_on_channel_duration) | |
7225 | return -EINVAL; | |
7226 | ||
f7ca38df JB |
7227 | } |
7228 | ||
f7ca38df JB |
7229 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
7230 | ||
7c4ef712 JB |
7231 | if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7232 | return -EINVAL; | |
7233 | ||
e9f935e3 RM |
7234 | no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
7235 | ||
683b6d3b JB |
7236 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7237 | if (err) | |
7238 | return err; | |
026331c4 | 7239 | |
e247bd90 JB |
7240 | if (!dont_wait_for_ack) { |
7241 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
7242 | if (!msg) | |
7243 | return -ENOMEM; | |
026331c4 | 7244 | |
15e47304 | 7245 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7246 | NL80211_CMD_FRAME); |
026331c4 | 7247 | |
e247bd90 JB |
7248 | if (IS_ERR(hdr)) { |
7249 | err = PTR_ERR(hdr); | |
7250 | goto free_msg; | |
7251 | } | |
026331c4 | 7252 | } |
e247bd90 | 7253 | |
683b6d3b | 7254 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait, |
2e161f78 JB |
7255 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
7256 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
e247bd90 | 7257 | no_cck, dont_wait_for_ack, &cookie); |
026331c4 JM |
7258 | if (err) |
7259 | goto free_msg; | |
7260 | ||
e247bd90 | 7261 | if (msg) { |
9360ffd1 DM |
7262 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7263 | goto nla_put_failure; | |
026331c4 | 7264 | |
e247bd90 JB |
7265 | genlmsg_end(msg, hdr); |
7266 | return genlmsg_reply(msg, info); | |
7267 | } | |
7268 | ||
7269 | return 0; | |
026331c4 JM |
7270 | |
7271 | nla_put_failure: | |
7272 | err = -ENOBUFS; | |
7273 | free_msg: | |
7274 | nlmsg_free(msg); | |
026331c4 JM |
7275 | return err; |
7276 | } | |
7277 | ||
f7ca38df JB |
7278 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7279 | { | |
7280 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7281 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7282 | u64 cookie; |
7283 | ||
7284 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7285 | return -EINVAL; | |
7286 | ||
7287 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7288 | return -EOPNOTSUPP; | |
7289 | ||
71bbc994 JB |
7290 | switch (wdev->iftype) { |
7291 | case NL80211_IFTYPE_STATION: | |
7292 | case NL80211_IFTYPE_ADHOC: | |
7293 | case NL80211_IFTYPE_P2P_CLIENT: | |
7294 | case NL80211_IFTYPE_AP: | |
7295 | case NL80211_IFTYPE_AP_VLAN: | |
7296 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7297 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7298 | break; |
7299 | default: | |
f7ca38df | 7300 | return -EOPNOTSUPP; |
71bbc994 | 7301 | } |
f7ca38df JB |
7302 | |
7303 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7304 | ||
e35e4d28 | 7305 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7306 | } |
7307 | ||
ffb9eb3d KV |
7308 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7309 | { | |
4c476991 | 7310 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7311 | struct wireless_dev *wdev; |
4c476991 | 7312 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7313 | u8 ps_state; |
7314 | bool state; | |
7315 | int err; | |
7316 | ||
4c476991 JB |
7317 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7318 | return -EINVAL; | |
ffb9eb3d KV |
7319 | |
7320 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7321 | ||
4c476991 JB |
7322 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7323 | return -EINVAL; | |
ffb9eb3d KV |
7324 | |
7325 | wdev = dev->ieee80211_ptr; | |
7326 | ||
4c476991 JB |
7327 | if (!rdev->ops->set_power_mgmt) |
7328 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7329 | |
7330 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7331 | ||
7332 | if (state == wdev->ps) | |
4c476991 | 7333 | return 0; |
ffb9eb3d | 7334 | |
e35e4d28 | 7335 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7336 | if (!err) |
7337 | wdev->ps = state; | |
ffb9eb3d KV |
7338 | return err; |
7339 | } | |
7340 | ||
7341 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7342 | { | |
4c476991 | 7343 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7344 | enum nl80211_ps_state ps_state; |
7345 | struct wireless_dev *wdev; | |
4c476991 | 7346 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7347 | struct sk_buff *msg; |
7348 | void *hdr; | |
7349 | int err; | |
7350 | ||
ffb9eb3d KV |
7351 | wdev = dev->ieee80211_ptr; |
7352 | ||
4c476991 JB |
7353 | if (!rdev->ops->set_power_mgmt) |
7354 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7355 | |
7356 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7357 | if (!msg) |
7358 | return -ENOMEM; | |
ffb9eb3d | 7359 | |
15e47304 | 7360 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
7361 | NL80211_CMD_GET_POWER_SAVE); |
7362 | if (!hdr) { | |
4c476991 | 7363 | err = -ENOBUFS; |
ffb9eb3d KV |
7364 | goto free_msg; |
7365 | } | |
7366 | ||
7367 | if (wdev->ps) | |
7368 | ps_state = NL80211_PS_ENABLED; | |
7369 | else | |
7370 | ps_state = NL80211_PS_DISABLED; | |
7371 | ||
9360ffd1 DM |
7372 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
7373 | goto nla_put_failure; | |
ffb9eb3d KV |
7374 | |
7375 | genlmsg_end(msg, hdr); | |
4c476991 | 7376 | return genlmsg_reply(msg, info); |
ffb9eb3d | 7377 | |
4c476991 | 7378 | nla_put_failure: |
ffb9eb3d | 7379 | err = -ENOBUFS; |
4c476991 | 7380 | free_msg: |
ffb9eb3d | 7381 | nlmsg_free(msg); |
ffb9eb3d KV |
7382 | return err; |
7383 | } | |
7384 | ||
d6dc1a38 JO |
7385 | static struct nla_policy |
7386 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
7387 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
7388 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
7389 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
7390 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
7391 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
7392 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
7393 | }; |
7394 | ||
84f10708 | 7395 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 7396 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
7397 | { |
7398 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7399 | struct wireless_dev *wdev; | |
7400 | struct net_device *dev = info->user_ptr[1]; | |
7401 | ||
d9d8b019 | 7402 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
7403 | return -EINVAL; |
7404 | ||
7405 | wdev = dev->ieee80211_ptr; | |
7406 | ||
7407 | if (!rdev->ops->set_cqm_txe_config) | |
7408 | return -EOPNOTSUPP; | |
7409 | ||
7410 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
7411 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
7412 | return -EOPNOTSUPP; | |
7413 | ||
e35e4d28 | 7414 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
7415 | } |
7416 | ||
d6dc1a38 JO |
7417 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
7418 | s32 threshold, u32 hysteresis) | |
7419 | { | |
4c476991 | 7420 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
d6dc1a38 | 7421 | struct wireless_dev *wdev; |
4c476991 | 7422 | struct net_device *dev = info->user_ptr[1]; |
d6dc1a38 JO |
7423 | |
7424 | if (threshold > 0) | |
7425 | return -EINVAL; | |
7426 | ||
d6dc1a38 JO |
7427 | wdev = dev->ieee80211_ptr; |
7428 | ||
4c476991 JB |
7429 | if (!rdev->ops->set_cqm_rssi_config) |
7430 | return -EOPNOTSUPP; | |
d6dc1a38 | 7431 | |
074ac8df | 7432 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7433 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7434 | return -EOPNOTSUPP; | |
d6dc1a38 | 7435 | |
e35e4d28 | 7436 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
7437 | } |
7438 | ||
7439 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
7440 | { | |
7441 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
7442 | struct nlattr *cqm; | |
7443 | int err; | |
7444 | ||
7445 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
7446 | if (!cqm) { | |
7447 | err = -EINVAL; | |
7448 | goto out; | |
7449 | } | |
7450 | ||
7451 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
7452 | nl80211_attr_cqm_policy); | |
7453 | if (err) | |
7454 | goto out; | |
7455 | ||
7456 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
7457 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
7458 | s32 threshold; | |
7459 | u32 hysteresis; | |
7460 | threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
7461 | hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
7462 | err = nl80211_set_cqm_rssi(info, threshold, hysteresis); | |
84f10708 TP |
7463 | } else if (attrs[NL80211_ATTR_CQM_TXE_RATE] && |
7464 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
7465 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
7466 | u32 rate, pkts, intvl; | |
7467 | rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
7468 | pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
7469 | intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
7470 | err = nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
d6dc1a38 JO |
7471 | } else |
7472 | err = -EINVAL; | |
7473 | ||
7474 | out: | |
7475 | return err; | |
7476 | } | |
7477 | ||
29cbe68c JB |
7478 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
7479 | { | |
7480 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7481 | struct net_device *dev = info->user_ptr[1]; | |
7482 | struct mesh_config cfg; | |
c80d545d | 7483 | struct mesh_setup setup; |
29cbe68c JB |
7484 | int err; |
7485 | ||
7486 | /* start with default */ | |
7487 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 7488 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 7489 | |
24bdd9f4 | 7490 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 7491 | /* and parse parameters if given */ |
24bdd9f4 | 7492 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
7493 | if (err) |
7494 | return err; | |
7495 | } | |
7496 | ||
7497 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
7498 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
7499 | return -EINVAL; | |
7500 | ||
c80d545d JC |
7501 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
7502 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
7503 | ||
4bb62344 CYY |
7504 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7505 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
7506 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7507 | return -EINVAL; | |
7508 | ||
9bdbf04d MP |
7509 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
7510 | setup.beacon_interval = | |
7511 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7512 | if (setup.beacon_interval < 10 || | |
7513 | setup.beacon_interval > 10000) | |
7514 | return -EINVAL; | |
7515 | } | |
7516 | ||
7517 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
7518 | setup.dtim_period = | |
7519 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
7520 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
7521 | return -EINVAL; | |
7522 | } | |
7523 | ||
c80d545d JC |
7524 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
7525 | /* parse additional setup parameters if given */ | |
7526 | err = nl80211_parse_mesh_setup(info, &setup); | |
7527 | if (err) | |
7528 | return err; | |
7529 | } | |
7530 | ||
d37bb18a TP |
7531 | if (setup.user_mpm) |
7532 | cfg.auto_open_plinks = false; | |
7533 | ||
cc1d2806 | 7534 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
7535 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
7536 | if (err) | |
7537 | return err; | |
cc1d2806 JB |
7538 | } else { |
7539 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 7540 | setup.chandef.chan = NULL; |
cc1d2806 JB |
7541 | } |
7542 | ||
c80d545d | 7543 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
7544 | } |
7545 | ||
7546 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
7547 | { | |
7548 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7549 | struct net_device *dev = info->user_ptr[1]; | |
7550 | ||
7551 | return cfg80211_leave_mesh(rdev, dev); | |
7552 | } | |
7553 | ||
dfb89c56 | 7554 | #ifdef CONFIG_PM |
bb92d199 AK |
7555 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
7556 | struct cfg80211_registered_device *rdev) | |
7557 | { | |
7558 | struct nlattr *nl_pats, *nl_pat; | |
7559 | int i, pat_len; | |
7560 | ||
7561 | if (!rdev->wowlan->n_patterns) | |
7562 | return 0; | |
7563 | ||
7564 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
7565 | if (!nl_pats) | |
7566 | return -ENOBUFS; | |
7567 | ||
7568 | for (i = 0; i < rdev->wowlan->n_patterns; i++) { | |
7569 | nl_pat = nla_nest_start(msg, i + 1); | |
7570 | if (!nl_pat) | |
7571 | return -ENOBUFS; | |
7572 | pat_len = rdev->wowlan->patterns[i].pattern_len; | |
7573 | if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK, | |
7574 | DIV_ROUND_UP(pat_len, 8), | |
7575 | rdev->wowlan->patterns[i].mask) || | |
7576 | nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN, | |
7577 | pat_len, rdev->wowlan->patterns[i].pattern) || | |
7578 | nla_put_u32(msg, NL80211_WOWLAN_PKTPAT_OFFSET, | |
7579 | rdev->wowlan->patterns[i].pkt_offset)) | |
7580 | return -ENOBUFS; | |
7581 | nla_nest_end(msg, nl_pat); | |
7582 | } | |
7583 | nla_nest_end(msg, nl_pats); | |
7584 | ||
7585 | return 0; | |
7586 | } | |
7587 | ||
2a0e047e JB |
7588 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
7589 | struct cfg80211_wowlan_tcp *tcp) | |
7590 | { | |
7591 | struct nlattr *nl_tcp; | |
7592 | ||
7593 | if (!tcp) | |
7594 | return 0; | |
7595 | ||
7596 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
7597 | if (!nl_tcp) | |
7598 | return -ENOBUFS; | |
7599 | ||
7600 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
7601 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
7602 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
7603 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
7604 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
7605 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
7606 | tcp->payload_len, tcp->payload) || | |
7607 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
7608 | tcp->data_interval) || | |
7609 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
7610 | tcp->wake_len, tcp->wake_data) || | |
7611 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
7612 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
7613 | return -ENOBUFS; | |
7614 | ||
7615 | if (tcp->payload_seq.len && | |
7616 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
7617 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
7618 | return -ENOBUFS; | |
7619 | ||
7620 | if (tcp->payload_tok.len && | |
7621 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
7622 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
7623 | &tcp->payload_tok)) | |
7624 | return -ENOBUFS; | |
7625 | ||
7626 | return 0; | |
7627 | } | |
7628 | ||
ff1b6e69 JB |
7629 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
7630 | { | |
7631 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7632 | struct sk_buff *msg; | |
7633 | void *hdr; | |
2a0e047e | 7634 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 7635 | |
2a0e047e JB |
7636 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns && |
7637 | !rdev->wiphy.wowlan.tcp) | |
ff1b6e69 JB |
7638 | return -EOPNOTSUPP; |
7639 | ||
2a0e047e JB |
7640 | if (rdev->wowlan && rdev->wowlan->tcp) { |
7641 | /* adjust size to have room for all the data */ | |
7642 | size += rdev->wowlan->tcp->tokens_size + | |
7643 | rdev->wowlan->tcp->payload_len + | |
7644 | rdev->wowlan->tcp->wake_len + | |
7645 | rdev->wowlan->tcp->wake_len / 8; | |
7646 | } | |
7647 | ||
7648 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
7649 | if (!msg) |
7650 | return -ENOMEM; | |
7651 | ||
15e47304 | 7652 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
7653 | NL80211_CMD_GET_WOWLAN); |
7654 | if (!hdr) | |
7655 | goto nla_put_failure; | |
7656 | ||
7657 | if (rdev->wowlan) { | |
7658 | struct nlattr *nl_wowlan; | |
7659 | ||
7660 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7661 | if (!nl_wowlan) | |
7662 | goto nla_put_failure; | |
7663 | ||
9360ffd1 DM |
7664 | if ((rdev->wowlan->any && |
7665 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || | |
7666 | (rdev->wowlan->disconnect && | |
7667 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || | |
7668 | (rdev->wowlan->magic_pkt && | |
7669 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || | |
7670 | (rdev->wowlan->gtk_rekey_failure && | |
7671 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || | |
7672 | (rdev->wowlan->eap_identity_req && | |
7673 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || | |
7674 | (rdev->wowlan->four_way_handshake && | |
7675 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || | |
7676 | (rdev->wowlan->rfkill_release && | |
7677 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) | |
7678 | goto nla_put_failure; | |
2a0e047e | 7679 | |
bb92d199 AK |
7680 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
7681 | goto nla_put_failure; | |
2a0e047e JB |
7682 | |
7683 | if (nl80211_send_wowlan_tcp(msg, rdev->wowlan->tcp)) | |
7684 | goto nla_put_failure; | |
7685 | ||
ff1b6e69 JB |
7686 | nla_nest_end(msg, nl_wowlan); |
7687 | } | |
7688 | ||
7689 | genlmsg_end(msg, hdr); | |
7690 | return genlmsg_reply(msg, info); | |
7691 | ||
7692 | nla_put_failure: | |
7693 | nlmsg_free(msg); | |
7694 | return -ENOBUFS; | |
7695 | } | |
7696 | ||
2a0e047e JB |
7697 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
7698 | struct nlattr *attr, | |
7699 | struct cfg80211_wowlan *trig) | |
7700 | { | |
7701 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
7702 | struct cfg80211_wowlan_tcp *cfg; | |
7703 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
7704 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
7705 | u32 size; | |
7706 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
7707 | int err, port; | |
7708 | ||
7709 | if (!rdev->wiphy.wowlan.tcp) | |
7710 | return -EINVAL; | |
7711 | ||
7712 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
7713 | nla_data(attr), nla_len(attr), | |
7714 | nl80211_wowlan_tcp_policy); | |
7715 | if (err) | |
7716 | return err; | |
7717 | ||
7718 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
7719 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
7720 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
7721 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
7722 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
7723 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
7724 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
7725 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
7726 | return -EINVAL; | |
7727 | ||
7728 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
7729 | if (data_size > rdev->wiphy.wowlan.tcp->data_payload_max) | |
7730 | return -EINVAL; | |
7731 | ||
7732 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
723d568a JB |
7733 | rdev->wiphy.wowlan.tcp->data_interval_max || |
7734 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) | |
2a0e047e JB |
7735 | return -EINVAL; |
7736 | ||
7737 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
7738 | if (wake_size > rdev->wiphy.wowlan.tcp->wake_payload_max) | |
7739 | return -EINVAL; | |
7740 | ||
7741 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
7742 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
7743 | return -EINVAL; | |
7744 | ||
7745 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
7746 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
7747 | ||
7748 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
7749 | tokens_size = tokln - sizeof(*tok); | |
7750 | ||
7751 | if (!tok->len || tokens_size % tok->len) | |
7752 | return -EINVAL; | |
7753 | if (!rdev->wiphy.wowlan.tcp->tok) | |
7754 | return -EINVAL; | |
7755 | if (tok->len > rdev->wiphy.wowlan.tcp->tok->max_len) | |
7756 | return -EINVAL; | |
7757 | if (tok->len < rdev->wiphy.wowlan.tcp->tok->min_len) | |
7758 | return -EINVAL; | |
7759 | if (tokens_size > rdev->wiphy.wowlan.tcp->tok->bufsize) | |
7760 | return -EINVAL; | |
7761 | if (tok->offset + tok->len > data_size) | |
7762 | return -EINVAL; | |
7763 | } | |
7764 | ||
7765 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
7766 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
7767 | if (!rdev->wiphy.wowlan.tcp->seq) | |
7768 | return -EINVAL; | |
7769 | if (seq->len == 0 || seq->len > 4) | |
7770 | return -EINVAL; | |
7771 | if (seq->len + seq->offset > data_size) | |
7772 | return -EINVAL; | |
7773 | } | |
7774 | ||
7775 | size = sizeof(*cfg); | |
7776 | size += data_size; | |
7777 | size += wake_size + wake_mask_size; | |
7778 | size += tokens_size; | |
7779 | ||
7780 | cfg = kzalloc(size, GFP_KERNEL); | |
7781 | if (!cfg) | |
7782 | return -ENOMEM; | |
7783 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
7784 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
7785 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
7786 | ETH_ALEN); | |
7787 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
7788 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
7789 | else | |
7790 | port = 0; | |
7791 | #ifdef CONFIG_INET | |
7792 | /* allocate a socket and port for it and use it */ | |
7793 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
7794 | IPPROTO_TCP, &cfg->sock, 1); | |
7795 | if (err) { | |
7796 | kfree(cfg); | |
7797 | return err; | |
7798 | } | |
7799 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
7800 | sock_release(cfg->sock); | |
7801 | kfree(cfg); | |
7802 | return -EADDRINUSE; | |
7803 | } | |
7804 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
7805 | #else | |
7806 | if (!port) { | |
7807 | kfree(cfg); | |
7808 | return -EINVAL; | |
7809 | } | |
7810 | cfg->src_port = port; | |
7811 | #endif | |
7812 | ||
7813 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
7814 | cfg->payload_len = data_size; | |
7815 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
7816 | memcpy((void *)cfg->payload, | |
7817 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
7818 | data_size); | |
7819 | if (seq) | |
7820 | cfg->payload_seq = *seq; | |
7821 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
7822 | cfg->wake_len = wake_size; | |
7823 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
7824 | memcpy((void *)cfg->wake_data, | |
7825 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
7826 | wake_size); | |
7827 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
7828 | data_size + wake_size; | |
7829 | memcpy((void *)cfg->wake_mask, | |
7830 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
7831 | wake_mask_size); | |
7832 | if (tok) { | |
7833 | cfg->tokens_size = tokens_size; | |
7834 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
7835 | } | |
7836 | ||
7837 | trig->tcp = cfg; | |
7838 | ||
7839 | return 0; | |
7840 | } | |
7841 | ||
ff1b6e69 JB |
7842 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
7843 | { | |
7844 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7845 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 7846 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 7847 | struct cfg80211_wowlan *ntrig; |
ff1b6e69 JB |
7848 | struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; |
7849 | int err, i; | |
6d52563f | 7850 | bool prev_enabled = rdev->wowlan; |
ff1b6e69 | 7851 | |
2a0e047e JB |
7852 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns && |
7853 | !rdev->wiphy.wowlan.tcp) | |
ff1b6e69 JB |
7854 | return -EOPNOTSUPP; |
7855 | ||
ae33bd81 JB |
7856 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
7857 | cfg80211_rdev_free_wowlan(rdev); | |
7858 | rdev->wowlan = NULL; | |
7859 | goto set_wakeup; | |
7860 | } | |
ff1b6e69 JB |
7861 | |
7862 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
7863 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
7864 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
7865 | nl80211_wowlan_policy); | |
7866 | if (err) | |
7867 | return err; | |
7868 | ||
7869 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
7870 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
7871 | return -EINVAL; | |
7872 | new_triggers.any = true; | |
7873 | } | |
7874 | ||
7875 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
7876 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
7877 | return -EINVAL; | |
7878 | new_triggers.disconnect = true; | |
7879 | } | |
7880 | ||
7881 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
7882 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
7883 | return -EINVAL; | |
7884 | new_triggers.magic_pkt = true; | |
7885 | } | |
7886 | ||
77dbbb13 JB |
7887 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
7888 | return -EINVAL; | |
7889 | ||
7890 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
7891 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
7892 | return -EINVAL; | |
7893 | new_triggers.gtk_rekey_failure = true; | |
7894 | } | |
7895 | ||
7896 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
7897 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
7898 | return -EINVAL; | |
7899 | new_triggers.eap_identity_req = true; | |
7900 | } | |
7901 | ||
7902 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
7903 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
7904 | return -EINVAL; | |
7905 | new_triggers.four_way_handshake = true; | |
7906 | } | |
7907 | ||
7908 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
7909 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
7910 | return -EINVAL; | |
7911 | new_triggers.rfkill_release = true; | |
7912 | } | |
7913 | ||
ff1b6e69 JB |
7914 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
7915 | struct nlattr *pat; | |
7916 | int n_patterns = 0; | |
bb92d199 | 7917 | int rem, pat_len, mask_len, pkt_offset; |
ff1b6e69 JB |
7918 | struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; |
7919 | ||
7920 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
7921 | rem) | |
7922 | n_patterns++; | |
7923 | if (n_patterns > wowlan->n_patterns) | |
7924 | return -EINVAL; | |
7925 | ||
7926 | new_triggers.patterns = kcalloc(n_patterns, | |
7927 | sizeof(new_triggers.patterns[0]), | |
7928 | GFP_KERNEL); | |
7929 | if (!new_triggers.patterns) | |
7930 | return -ENOMEM; | |
7931 | ||
7932 | new_triggers.n_patterns = n_patterns; | |
7933 | i = 0; | |
7934 | ||
7935 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
7936 | rem) { | |
7937 | nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT, | |
7938 | nla_data(pat), nla_len(pat), NULL); | |
7939 | err = -EINVAL; | |
7940 | if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] || | |
7941 | !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]) | |
7942 | goto error; | |
7943 | pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]); | |
7944 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
7945 | if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) != | |
7946 | mask_len) | |
7947 | goto error; | |
7948 | if (pat_len > wowlan->pattern_max_len || | |
7949 | pat_len < wowlan->pattern_min_len) | |
7950 | goto error; | |
7951 | ||
bb92d199 AK |
7952 | if (!pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET]) |
7953 | pkt_offset = 0; | |
7954 | else | |
7955 | pkt_offset = nla_get_u32( | |
7956 | pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET]); | |
7957 | if (pkt_offset > wowlan->max_pkt_offset) | |
7958 | goto error; | |
7959 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
7960 | ||
ff1b6e69 JB |
7961 | new_triggers.patterns[i].mask = |
7962 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
7963 | if (!new_triggers.patterns[i].mask) { | |
7964 | err = -ENOMEM; | |
7965 | goto error; | |
7966 | } | |
7967 | new_triggers.patterns[i].pattern = | |
7968 | new_triggers.patterns[i].mask + mask_len; | |
7969 | memcpy(new_triggers.patterns[i].mask, | |
7970 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]), | |
7971 | mask_len); | |
7972 | new_triggers.patterns[i].pattern_len = pat_len; | |
7973 | memcpy(new_triggers.patterns[i].pattern, | |
7974 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]), | |
7975 | pat_len); | |
7976 | i++; | |
7977 | } | |
7978 | } | |
7979 | ||
2a0e047e JB |
7980 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
7981 | err = nl80211_parse_wowlan_tcp( | |
7982 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
7983 | &new_triggers); | |
7984 | if (err) | |
7985 | goto error; | |
7986 | } | |
7987 | ||
ae33bd81 JB |
7988 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
7989 | if (!ntrig) { | |
7990 | err = -ENOMEM; | |
7991 | goto error; | |
ff1b6e69 | 7992 | } |
ae33bd81 JB |
7993 | cfg80211_rdev_free_wowlan(rdev); |
7994 | rdev->wowlan = ntrig; | |
ff1b6e69 | 7995 | |
ae33bd81 | 7996 | set_wakeup: |
6d52563f | 7997 | if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan) |
e35e4d28 | 7998 | rdev_set_wakeup(rdev, rdev->wowlan); |
6d52563f | 7999 | |
ff1b6e69 JB |
8000 | return 0; |
8001 | error: | |
8002 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8003 | kfree(new_triggers.patterns[i].mask); | |
8004 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8005 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8006 | sock_release(new_triggers.tcp->sock); | |
8007 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8008 | return err; |
8009 | } | |
dfb89c56 | 8010 | #endif |
ff1b6e69 | 8011 | |
e5497d76 JB |
8012 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8013 | { | |
8014 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8015 | struct net_device *dev = info->user_ptr[1]; | |
8016 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8017 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8018 | struct cfg80211_gtk_rekey_data rekey_data; | |
8019 | int err; | |
8020 | ||
8021 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8022 | return -EINVAL; | |
8023 | ||
8024 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8025 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8026 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8027 | nl80211_rekey_policy); | |
8028 | if (err) | |
8029 | return err; | |
8030 | ||
8031 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8032 | return -ERANGE; | |
8033 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8034 | return -ERANGE; | |
8035 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8036 | return -ERANGE; | |
8037 | ||
8038 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
8039 | NL80211_KEK_LEN); | |
8040 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
8041 | NL80211_KCK_LEN); | |
8042 | memcpy(rekey_data.replay_ctr, | |
8043 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
8044 | NL80211_REPLAY_CTR_LEN); | |
8045 | ||
8046 | wdev_lock(wdev); | |
8047 | if (!wdev->current_bss) { | |
8048 | err = -ENOTCONN; | |
8049 | goto out; | |
8050 | } | |
8051 | ||
8052 | if (!rdev->ops->set_rekey_data) { | |
8053 | err = -EOPNOTSUPP; | |
8054 | goto out; | |
8055 | } | |
8056 | ||
e35e4d28 | 8057 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8058 | out: |
8059 | wdev_unlock(wdev); | |
8060 | return err; | |
8061 | } | |
8062 | ||
28946da7 JB |
8063 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8064 | struct genl_info *info) | |
8065 | { | |
8066 | struct net_device *dev = info->user_ptr[1]; | |
8067 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8068 | ||
8069 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8070 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8071 | return -EINVAL; | |
8072 | ||
15e47304 | 8073 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
8074 | return -EBUSY; |
8075 | ||
15e47304 | 8076 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
8077 | return 0; |
8078 | } | |
8079 | ||
7f6cf311 JB |
8080 | static int nl80211_probe_client(struct sk_buff *skb, |
8081 | struct genl_info *info) | |
8082 | { | |
8083 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8084 | struct net_device *dev = info->user_ptr[1]; | |
8085 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8086 | struct sk_buff *msg; | |
8087 | void *hdr; | |
8088 | const u8 *addr; | |
8089 | u64 cookie; | |
8090 | int err; | |
8091 | ||
8092 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8093 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8094 | return -EOPNOTSUPP; | |
8095 | ||
8096 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8097 | return -EINVAL; | |
8098 | ||
8099 | if (!rdev->ops->probe_client) | |
8100 | return -EOPNOTSUPP; | |
8101 | ||
8102 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8103 | if (!msg) | |
8104 | return -ENOMEM; | |
8105 | ||
15e47304 | 8106 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 JB |
8107 | NL80211_CMD_PROBE_CLIENT); |
8108 | ||
8109 | if (IS_ERR(hdr)) { | |
8110 | err = PTR_ERR(hdr); | |
8111 | goto free_msg; | |
8112 | } | |
8113 | ||
8114 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8115 | ||
e35e4d28 | 8116 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
8117 | if (err) |
8118 | goto free_msg; | |
8119 | ||
9360ffd1 DM |
8120 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8121 | goto nla_put_failure; | |
7f6cf311 JB |
8122 | |
8123 | genlmsg_end(msg, hdr); | |
8124 | ||
8125 | return genlmsg_reply(msg, info); | |
8126 | ||
8127 | nla_put_failure: | |
8128 | err = -ENOBUFS; | |
8129 | free_msg: | |
8130 | nlmsg_free(msg); | |
8131 | return err; | |
8132 | } | |
8133 | ||
5e760230 JB |
8134 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
8135 | { | |
8136 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
8137 | struct cfg80211_beacon_registration *reg, *nreg; |
8138 | int rv; | |
5e760230 JB |
8139 | |
8140 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
8141 | return -EOPNOTSUPP; | |
8142 | ||
37c73b5f BG |
8143 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
8144 | if (!nreg) | |
8145 | return -ENOMEM; | |
8146 | ||
8147 | /* First, check if already registered. */ | |
8148 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
8149 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
8150 | if (reg->nlportid == info->snd_portid) { | |
8151 | rv = -EALREADY; | |
8152 | goto out_err; | |
8153 | } | |
8154 | } | |
8155 | /* Add it to the list */ | |
8156 | nreg->nlportid = info->snd_portid; | |
8157 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 8158 | |
37c73b5f | 8159 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
8160 | |
8161 | return 0; | |
37c73b5f BG |
8162 | out_err: |
8163 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
8164 | kfree(nreg); | |
8165 | return rv; | |
5e760230 JB |
8166 | } |
8167 | ||
98104fde JB |
8168 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
8169 | { | |
8170 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8171 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8172 | int err; | |
8173 | ||
8174 | if (!rdev->ops->start_p2p_device) | |
8175 | return -EOPNOTSUPP; | |
8176 | ||
8177 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8178 | return -EOPNOTSUPP; | |
8179 | ||
8180 | if (wdev->p2p_started) | |
8181 | return 0; | |
8182 | ||
8183 | mutex_lock(&rdev->devlist_mtx); | |
8184 | err = cfg80211_can_add_interface(rdev, wdev->iftype); | |
8185 | mutex_unlock(&rdev->devlist_mtx); | |
8186 | if (err) | |
8187 | return err; | |
8188 | ||
eeb126e9 | 8189 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
8190 | if (err) |
8191 | return err; | |
8192 | ||
8193 | wdev->p2p_started = true; | |
8194 | mutex_lock(&rdev->devlist_mtx); | |
8195 | rdev->opencount++; | |
8196 | mutex_unlock(&rdev->devlist_mtx); | |
8197 | ||
8198 | return 0; | |
8199 | } | |
8200 | ||
8201 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
8202 | { | |
8203 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8204 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8205 | ||
8206 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8207 | return -EOPNOTSUPP; | |
8208 | ||
8209 | if (!rdev->ops->stop_p2p_device) | |
8210 | return -EOPNOTSUPP; | |
8211 | ||
65e8d5b8 | 8212 | mutex_lock(&rdev->devlist_mtx); |
f9f47529 JB |
8213 | mutex_lock(&rdev->sched_scan_mtx); |
8214 | cfg80211_stop_p2p_device(rdev, wdev); | |
8215 | mutex_unlock(&rdev->sched_scan_mtx); | |
65e8d5b8 | 8216 | mutex_unlock(&rdev->devlist_mtx); |
98104fde JB |
8217 | |
8218 | return 0; | |
8219 | } | |
8220 | ||
3713b4e3 JB |
8221 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
8222 | struct genl_info *info) | |
8223 | { | |
8224 | void *hdr; | |
8225 | struct sk_buff *msg; | |
8226 | ||
8227 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8228 | if (!msg) | |
8229 | return -ENOMEM; | |
8230 | ||
8231 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8232 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
8233 | if (!hdr) | |
8234 | goto nla_put_failure; | |
8235 | ||
8236 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
8237 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
8238 | goto nla_put_failure; | |
8239 | ||
8240 | genlmsg_end(msg, hdr); | |
8241 | return genlmsg_reply(msg, info); | |
8242 | ||
8243 | nla_put_failure: | |
8244 | kfree_skb(msg); | |
8245 | return -ENOBUFS; | |
8246 | } | |
8247 | ||
355199e0 JM |
8248 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
8249 | { | |
8250 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8251 | struct cfg80211_update_ft_ies_params ft_params; | |
8252 | struct net_device *dev = info->user_ptr[1]; | |
8253 | ||
8254 | if (!rdev->ops->update_ft_ies) | |
8255 | return -EOPNOTSUPP; | |
8256 | ||
8257 | if (!info->attrs[NL80211_ATTR_MDID] || | |
8258 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8259 | return -EINVAL; | |
8260 | ||
8261 | memset(&ft_params, 0, sizeof(ft_params)); | |
8262 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
8263 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8264 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8265 | ||
8266 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
8267 | } | |
8268 | ||
5de17984 AS |
8269 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
8270 | struct genl_info *info) | |
8271 | { | |
8272 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8273 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8274 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
8275 | u16 duration; | |
8276 | int ret; | |
8277 | ||
8278 | if (!rdev->ops->crit_proto_start) | |
8279 | return -EOPNOTSUPP; | |
8280 | ||
8281 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
8282 | return -EINVAL; | |
8283 | ||
8284 | if (rdev->crit_proto_nlportid) | |
8285 | return -EBUSY; | |
8286 | ||
8287 | /* determine protocol if provided */ | |
8288 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
8289 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
8290 | ||
8291 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
8292 | return -EINVAL; | |
8293 | ||
8294 | /* timeout must be provided */ | |
8295 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
8296 | return -EINVAL; | |
8297 | ||
8298 | duration = | |
8299 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
8300 | ||
8301 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
8302 | return -ERANGE; | |
8303 | ||
8304 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
8305 | if (!ret) | |
8306 | rdev->crit_proto_nlportid = info->snd_portid; | |
8307 | ||
8308 | return ret; | |
8309 | } | |
8310 | ||
8311 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
8312 | struct genl_info *info) | |
8313 | { | |
8314 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8315 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8316 | ||
8317 | if (!rdev->ops->crit_proto_stop) | |
8318 | return -EOPNOTSUPP; | |
8319 | ||
8320 | if (rdev->crit_proto_nlportid) { | |
8321 | rdev->crit_proto_nlportid = 0; | |
8322 | rdev_crit_proto_stop(rdev, wdev); | |
8323 | } | |
8324 | return 0; | |
8325 | } | |
8326 | ||
4c476991 JB |
8327 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
8328 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
8329 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
8330 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
8331 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
8332 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 8333 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 8334 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
8335 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
8336 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 JB |
8337 | |
8338 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, | |
8339 | struct genl_info *info) | |
8340 | { | |
8341 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 8342 | struct wireless_dev *wdev; |
4c476991 | 8343 | struct net_device *dev; |
4c476991 JB |
8344 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
8345 | ||
8346 | if (rtnl) | |
8347 | rtnl_lock(); | |
8348 | ||
8349 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 8350 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
8351 | if (IS_ERR(rdev)) { |
8352 | if (rtnl) | |
8353 | rtnl_unlock(); | |
8354 | return PTR_ERR(rdev); | |
8355 | } | |
8356 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
8357 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
8358 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
89a54e48 JB |
8359 | mutex_lock(&cfg80211_mutex); |
8360 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), | |
8361 | info->attrs); | |
8362 | if (IS_ERR(wdev)) { | |
8363 | mutex_unlock(&cfg80211_mutex); | |
4c476991 JB |
8364 | if (rtnl) |
8365 | rtnl_unlock(); | |
89a54e48 | 8366 | return PTR_ERR(wdev); |
4c476991 | 8367 | } |
89a54e48 | 8368 | |
89a54e48 JB |
8369 | dev = wdev->netdev; |
8370 | rdev = wiphy_to_dev(wdev->wiphy); | |
8371 | ||
1bf614ef JB |
8372 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
8373 | if (!dev) { | |
8374 | mutex_unlock(&cfg80211_mutex); | |
8375 | if (rtnl) | |
8376 | rtnl_unlock(); | |
8377 | return -EINVAL; | |
8378 | } | |
8379 | ||
8380 | info->user_ptr[1] = dev; | |
8381 | } else { | |
8382 | info->user_ptr[1] = wdev; | |
41265714 | 8383 | } |
1bf614ef JB |
8384 | |
8385 | if (dev) { | |
8386 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
8387 | !netif_running(dev)) { | |
8388 | mutex_unlock(&cfg80211_mutex); | |
8389 | if (rtnl) | |
8390 | rtnl_unlock(); | |
8391 | return -ENETDOWN; | |
8392 | } | |
8393 | ||
8394 | dev_hold(dev); | |
98104fde JB |
8395 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
8396 | if (!wdev->p2p_started) { | |
8397 | mutex_unlock(&cfg80211_mutex); | |
8398 | if (rtnl) | |
8399 | rtnl_unlock(); | |
8400 | return -ENETDOWN; | |
8401 | } | |
41265714 | 8402 | } |
89a54e48 | 8403 | |
89a54e48 JB |
8404 | cfg80211_lock_rdev(rdev); |
8405 | ||
8406 | mutex_unlock(&cfg80211_mutex); | |
8407 | ||
4c476991 | 8408 | info->user_ptr[0] = rdev; |
4c476991 JB |
8409 | } |
8410 | ||
8411 | return 0; | |
8412 | } | |
8413 | ||
8414 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
8415 | struct genl_info *info) | |
8416 | { | |
8417 | if (info->user_ptr[0]) | |
8418 | cfg80211_unlock_rdev(info->user_ptr[0]); | |
1bf614ef JB |
8419 | if (info->user_ptr[1]) { |
8420 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
8421 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8422 | ||
8423 | if (wdev->netdev) | |
8424 | dev_put(wdev->netdev); | |
8425 | } else { | |
8426 | dev_put(info->user_ptr[1]); | |
8427 | } | |
8428 | } | |
4c476991 JB |
8429 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
8430 | rtnl_unlock(); | |
8431 | } | |
8432 | ||
55682965 JB |
8433 | static struct genl_ops nl80211_ops[] = { |
8434 | { | |
8435 | .cmd = NL80211_CMD_GET_WIPHY, | |
8436 | .doit = nl80211_get_wiphy, | |
8437 | .dumpit = nl80211_dump_wiphy, | |
8438 | .policy = nl80211_policy, | |
8439 | /* can be retrieved by unprivileged users */ | |
4c476991 | 8440 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
55682965 JB |
8441 | }, |
8442 | { | |
8443 | .cmd = NL80211_CMD_SET_WIPHY, | |
8444 | .doit = nl80211_set_wiphy, | |
8445 | .policy = nl80211_policy, | |
8446 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 8447 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
8448 | }, |
8449 | { | |
8450 | .cmd = NL80211_CMD_GET_INTERFACE, | |
8451 | .doit = nl80211_get_interface, | |
8452 | .dumpit = nl80211_dump_interface, | |
8453 | .policy = nl80211_policy, | |
8454 | /* can be retrieved by unprivileged users */ | |
72fb2abc | 8455 | .internal_flags = NL80211_FLAG_NEED_WDEV, |
55682965 JB |
8456 | }, |
8457 | { | |
8458 | .cmd = NL80211_CMD_SET_INTERFACE, | |
8459 | .doit = nl80211_set_interface, | |
8460 | .policy = nl80211_policy, | |
8461 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8462 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8463 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8464 | }, |
8465 | { | |
8466 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
8467 | .doit = nl80211_new_interface, | |
8468 | .policy = nl80211_policy, | |
8469 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8470 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8471 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8472 | }, |
8473 | { | |
8474 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
8475 | .doit = nl80211_del_interface, | |
8476 | .policy = nl80211_policy, | |
41ade00f | 8477 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 8478 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 8479 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8480 | }, |
8481 | { | |
8482 | .cmd = NL80211_CMD_GET_KEY, | |
8483 | .doit = nl80211_get_key, | |
8484 | .policy = nl80211_policy, | |
8485 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 8486 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8487 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8488 | }, |
8489 | { | |
8490 | .cmd = NL80211_CMD_SET_KEY, | |
8491 | .doit = nl80211_set_key, | |
8492 | .policy = nl80211_policy, | |
8493 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8494 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8495 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8496 | }, |
8497 | { | |
8498 | .cmd = NL80211_CMD_NEW_KEY, | |
8499 | .doit = nl80211_new_key, | |
8500 | .policy = nl80211_policy, | |
8501 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8502 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8503 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8504 | }, |
8505 | { | |
8506 | .cmd = NL80211_CMD_DEL_KEY, | |
8507 | .doit = nl80211_del_key, | |
8508 | .policy = nl80211_policy, | |
55682965 | 8509 | .flags = GENL_ADMIN_PERM, |
41265714 | 8510 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8511 | NL80211_FLAG_NEED_RTNL, |
55682965 | 8512 | }, |
ed1b6cc7 JB |
8513 | { |
8514 | .cmd = NL80211_CMD_SET_BEACON, | |
8515 | .policy = nl80211_policy, | |
8516 | .flags = GENL_ADMIN_PERM, | |
8860020e | 8517 | .doit = nl80211_set_beacon, |
2b5f8b0b | 8518 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8519 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
8520 | }, |
8521 | { | |
8860020e | 8522 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
8523 | .policy = nl80211_policy, |
8524 | .flags = GENL_ADMIN_PERM, | |
8860020e | 8525 | .doit = nl80211_start_ap, |
2b5f8b0b | 8526 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8527 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
8528 | }, |
8529 | { | |
8860020e | 8530 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
8531 | .policy = nl80211_policy, |
8532 | .flags = GENL_ADMIN_PERM, | |
8860020e | 8533 | .doit = nl80211_stop_ap, |
2b5f8b0b | 8534 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8535 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 8536 | }, |
5727ef1b JB |
8537 | { |
8538 | .cmd = NL80211_CMD_GET_STATION, | |
8539 | .doit = nl80211_get_station, | |
2ec600d6 | 8540 | .dumpit = nl80211_dump_station, |
5727ef1b | 8541 | .policy = nl80211_policy, |
4c476991 JB |
8542 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8543 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
8544 | }, |
8545 | { | |
8546 | .cmd = NL80211_CMD_SET_STATION, | |
8547 | .doit = nl80211_set_station, | |
8548 | .policy = nl80211_policy, | |
8549 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 8550 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8551 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
8552 | }, |
8553 | { | |
8554 | .cmd = NL80211_CMD_NEW_STATION, | |
8555 | .doit = nl80211_new_station, | |
8556 | .policy = nl80211_policy, | |
8557 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8558 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8559 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
8560 | }, |
8561 | { | |
8562 | .cmd = NL80211_CMD_DEL_STATION, | |
8563 | .doit = nl80211_del_station, | |
8564 | .policy = nl80211_policy, | |
2ec600d6 | 8565 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 8566 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8567 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
8568 | }, |
8569 | { | |
8570 | .cmd = NL80211_CMD_GET_MPATH, | |
8571 | .doit = nl80211_get_mpath, | |
8572 | .dumpit = nl80211_dump_mpath, | |
8573 | .policy = nl80211_policy, | |
8574 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8575 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8576 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
8577 | }, |
8578 | { | |
8579 | .cmd = NL80211_CMD_SET_MPATH, | |
8580 | .doit = nl80211_set_mpath, | |
8581 | .policy = nl80211_policy, | |
8582 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8583 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8584 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
8585 | }, |
8586 | { | |
8587 | .cmd = NL80211_CMD_NEW_MPATH, | |
8588 | .doit = nl80211_new_mpath, | |
8589 | .policy = nl80211_policy, | |
8590 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8591 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8592 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
8593 | }, |
8594 | { | |
8595 | .cmd = NL80211_CMD_DEL_MPATH, | |
8596 | .doit = nl80211_del_mpath, | |
8597 | .policy = nl80211_policy, | |
9f1ba906 | 8598 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 8599 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8600 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
8601 | }, |
8602 | { | |
8603 | .cmd = NL80211_CMD_SET_BSS, | |
8604 | .doit = nl80211_set_bss, | |
8605 | .policy = nl80211_policy, | |
b2e1b302 | 8606 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 8607 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8608 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 8609 | }, |
f130347c LR |
8610 | { |
8611 | .cmd = NL80211_CMD_GET_REG, | |
8612 | .doit = nl80211_get_reg, | |
8613 | .policy = nl80211_policy, | |
8614 | /* can be retrieved by unprivileged users */ | |
8615 | }, | |
b2e1b302 LR |
8616 | { |
8617 | .cmd = NL80211_CMD_SET_REG, | |
8618 | .doit = nl80211_set_reg, | |
8619 | .policy = nl80211_policy, | |
8620 | .flags = GENL_ADMIN_PERM, | |
8621 | }, | |
8622 | { | |
8623 | .cmd = NL80211_CMD_REQ_SET_REG, | |
8624 | .doit = nl80211_req_set_reg, | |
8625 | .policy = nl80211_policy, | |
93da9cc1 | 8626 | .flags = GENL_ADMIN_PERM, |
8627 | }, | |
8628 | { | |
24bdd9f4 JC |
8629 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
8630 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 8631 | .policy = nl80211_policy, |
8632 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 8633 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8634 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 8635 | }, |
8636 | { | |
24bdd9f4 JC |
8637 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
8638 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 8639 | .policy = nl80211_policy, |
9aed3cc1 | 8640 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 8641 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8642 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 8643 | }, |
2a519311 JB |
8644 | { |
8645 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
8646 | .doit = nl80211_trigger_scan, | |
8647 | .policy = nl80211_policy, | |
8648 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 8649 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 8650 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
8651 | }, |
8652 | { | |
8653 | .cmd = NL80211_CMD_GET_SCAN, | |
8654 | .policy = nl80211_policy, | |
8655 | .dumpit = nl80211_dump_scan, | |
8656 | }, | |
807f8a8c LC |
8657 | { |
8658 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
8659 | .doit = nl80211_start_sched_scan, | |
8660 | .policy = nl80211_policy, | |
8661 | .flags = GENL_ADMIN_PERM, | |
8662 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
8663 | NL80211_FLAG_NEED_RTNL, | |
8664 | }, | |
8665 | { | |
8666 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
8667 | .doit = nl80211_stop_sched_scan, | |
8668 | .policy = nl80211_policy, | |
8669 | .flags = GENL_ADMIN_PERM, | |
8670 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
8671 | NL80211_FLAG_NEED_RTNL, | |
8672 | }, | |
636a5d36 JM |
8673 | { |
8674 | .cmd = NL80211_CMD_AUTHENTICATE, | |
8675 | .doit = nl80211_authenticate, | |
8676 | .policy = nl80211_policy, | |
8677 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8678 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8679 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
8680 | }, |
8681 | { | |
8682 | .cmd = NL80211_CMD_ASSOCIATE, | |
8683 | .doit = nl80211_associate, | |
8684 | .policy = nl80211_policy, | |
8685 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8686 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8687 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
8688 | }, |
8689 | { | |
8690 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
8691 | .doit = nl80211_deauthenticate, | |
8692 | .policy = nl80211_policy, | |
8693 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8694 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8695 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
8696 | }, |
8697 | { | |
8698 | .cmd = NL80211_CMD_DISASSOCIATE, | |
8699 | .doit = nl80211_disassociate, | |
8700 | .policy = nl80211_policy, | |
8701 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8702 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8703 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 8704 | }, |
04a773ad JB |
8705 | { |
8706 | .cmd = NL80211_CMD_JOIN_IBSS, | |
8707 | .doit = nl80211_join_ibss, | |
8708 | .policy = nl80211_policy, | |
8709 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8710 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8711 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
8712 | }, |
8713 | { | |
8714 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
8715 | .doit = nl80211_leave_ibss, | |
8716 | .policy = nl80211_policy, | |
8717 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8718 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8719 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 8720 | }, |
aff89a9b JB |
8721 | #ifdef CONFIG_NL80211_TESTMODE |
8722 | { | |
8723 | .cmd = NL80211_CMD_TESTMODE, | |
8724 | .doit = nl80211_testmode_do, | |
71063f0e | 8725 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
8726 | .policy = nl80211_policy, |
8727 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8728 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8729 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
8730 | }, |
8731 | #endif | |
b23aa676 SO |
8732 | { |
8733 | .cmd = NL80211_CMD_CONNECT, | |
8734 | .doit = nl80211_connect, | |
8735 | .policy = nl80211_policy, | |
8736 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8737 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8738 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
8739 | }, |
8740 | { | |
8741 | .cmd = NL80211_CMD_DISCONNECT, | |
8742 | .doit = nl80211_disconnect, | |
8743 | .policy = nl80211_policy, | |
8744 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8745 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8746 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 8747 | }, |
463d0183 JB |
8748 | { |
8749 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
8750 | .doit = nl80211_wiphy_netns, | |
8751 | .policy = nl80211_policy, | |
8752 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8753 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8754 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 8755 | }, |
61fa713c HS |
8756 | { |
8757 | .cmd = NL80211_CMD_GET_SURVEY, | |
8758 | .policy = nl80211_policy, | |
8759 | .dumpit = nl80211_dump_survey, | |
8760 | }, | |
67fbb16b SO |
8761 | { |
8762 | .cmd = NL80211_CMD_SET_PMKSA, | |
8763 | .doit = nl80211_setdel_pmksa, | |
8764 | .policy = nl80211_policy, | |
8765 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 8766 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8767 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
8768 | }, |
8769 | { | |
8770 | .cmd = NL80211_CMD_DEL_PMKSA, | |
8771 | .doit = nl80211_setdel_pmksa, | |
8772 | .policy = nl80211_policy, | |
8773 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 8774 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8775 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
8776 | }, |
8777 | { | |
8778 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
8779 | .doit = nl80211_flush_pmksa, | |
8780 | .policy = nl80211_policy, | |
8781 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 8782 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8783 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 8784 | }, |
9588bbd5 JM |
8785 | { |
8786 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
8787 | .doit = nl80211_remain_on_channel, | |
8788 | .policy = nl80211_policy, | |
8789 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 8790 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 8791 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
8792 | }, |
8793 | { | |
8794 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
8795 | .doit = nl80211_cancel_remain_on_channel, | |
8796 | .policy = nl80211_policy, | |
8797 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 8798 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 8799 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 8800 | }, |
13ae75b1 JM |
8801 | { |
8802 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
8803 | .doit = nl80211_set_tx_bitrate_mask, | |
8804 | .policy = nl80211_policy, | |
8805 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8806 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8807 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 8808 | }, |
026331c4 | 8809 | { |
2e161f78 JB |
8810 | .cmd = NL80211_CMD_REGISTER_FRAME, |
8811 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
8812 | .policy = nl80211_policy, |
8813 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 8814 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 8815 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
8816 | }, |
8817 | { | |
2e161f78 JB |
8818 | .cmd = NL80211_CMD_FRAME, |
8819 | .doit = nl80211_tx_mgmt, | |
026331c4 | 8820 | .policy = nl80211_policy, |
f7ca38df | 8821 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 8822 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
8823 | NL80211_FLAG_NEED_RTNL, |
8824 | }, | |
8825 | { | |
8826 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
8827 | .doit = nl80211_tx_mgmt_cancel_wait, | |
8828 | .policy = nl80211_policy, | |
026331c4 | 8829 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 8830 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 8831 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 8832 | }, |
ffb9eb3d KV |
8833 | { |
8834 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
8835 | .doit = nl80211_set_power_save, | |
8836 | .policy = nl80211_policy, | |
8837 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8838 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8839 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
8840 | }, |
8841 | { | |
8842 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
8843 | .doit = nl80211_get_power_save, | |
8844 | .policy = nl80211_policy, | |
8845 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
8846 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8847 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 8848 | }, |
d6dc1a38 JO |
8849 | { |
8850 | .cmd = NL80211_CMD_SET_CQM, | |
8851 | .doit = nl80211_set_cqm, | |
8852 | .policy = nl80211_policy, | |
8853 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8854 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8855 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 8856 | }, |
f444de05 JB |
8857 | { |
8858 | .cmd = NL80211_CMD_SET_CHANNEL, | |
8859 | .doit = nl80211_set_channel, | |
8860 | .policy = nl80211_policy, | |
8861 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8862 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8863 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 8864 | }, |
e8347eba BJ |
8865 | { |
8866 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
8867 | .doit = nl80211_set_wds_peer, | |
8868 | .policy = nl80211_policy, | |
8869 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
8870 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8871 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 8872 | }, |
29cbe68c JB |
8873 | { |
8874 | .cmd = NL80211_CMD_JOIN_MESH, | |
8875 | .doit = nl80211_join_mesh, | |
8876 | .policy = nl80211_policy, | |
8877 | .flags = GENL_ADMIN_PERM, | |
8878 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
8879 | NL80211_FLAG_NEED_RTNL, | |
8880 | }, | |
8881 | { | |
8882 | .cmd = NL80211_CMD_LEAVE_MESH, | |
8883 | .doit = nl80211_leave_mesh, | |
8884 | .policy = nl80211_policy, | |
8885 | .flags = GENL_ADMIN_PERM, | |
8886 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
8887 | NL80211_FLAG_NEED_RTNL, | |
8888 | }, | |
dfb89c56 | 8889 | #ifdef CONFIG_PM |
ff1b6e69 JB |
8890 | { |
8891 | .cmd = NL80211_CMD_GET_WOWLAN, | |
8892 | .doit = nl80211_get_wowlan, | |
8893 | .policy = nl80211_policy, | |
8894 | /* can be retrieved by unprivileged users */ | |
8895 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
8896 | NL80211_FLAG_NEED_RTNL, | |
8897 | }, | |
8898 | { | |
8899 | .cmd = NL80211_CMD_SET_WOWLAN, | |
8900 | .doit = nl80211_set_wowlan, | |
8901 | .policy = nl80211_policy, | |
8902 | .flags = GENL_ADMIN_PERM, | |
8903 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
8904 | NL80211_FLAG_NEED_RTNL, | |
8905 | }, | |
dfb89c56 | 8906 | #endif |
e5497d76 JB |
8907 | { |
8908 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
8909 | .doit = nl80211_set_rekey_data, | |
8910 | .policy = nl80211_policy, | |
8911 | .flags = GENL_ADMIN_PERM, | |
8912 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
8913 | NL80211_FLAG_NEED_RTNL, | |
8914 | }, | |
109086ce AN |
8915 | { |
8916 | .cmd = NL80211_CMD_TDLS_MGMT, | |
8917 | .doit = nl80211_tdls_mgmt, | |
8918 | .policy = nl80211_policy, | |
8919 | .flags = GENL_ADMIN_PERM, | |
8920 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
8921 | NL80211_FLAG_NEED_RTNL, | |
8922 | }, | |
8923 | { | |
8924 | .cmd = NL80211_CMD_TDLS_OPER, | |
8925 | .doit = nl80211_tdls_oper, | |
8926 | .policy = nl80211_policy, | |
8927 | .flags = GENL_ADMIN_PERM, | |
8928 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
8929 | NL80211_FLAG_NEED_RTNL, | |
8930 | }, | |
28946da7 JB |
8931 | { |
8932 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
8933 | .doit = nl80211_register_unexpected_frame, | |
8934 | .policy = nl80211_policy, | |
8935 | .flags = GENL_ADMIN_PERM, | |
8936 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
8937 | NL80211_FLAG_NEED_RTNL, | |
8938 | }, | |
7f6cf311 JB |
8939 | { |
8940 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
8941 | .doit = nl80211_probe_client, | |
8942 | .policy = nl80211_policy, | |
8943 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 8944 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
8945 | NL80211_FLAG_NEED_RTNL, |
8946 | }, | |
5e760230 JB |
8947 | { |
8948 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
8949 | .doit = nl80211_register_beacons, | |
8950 | .policy = nl80211_policy, | |
8951 | .flags = GENL_ADMIN_PERM, | |
8952 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
8953 | NL80211_FLAG_NEED_RTNL, | |
8954 | }, | |
1d9d9213 SW |
8955 | { |
8956 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
8957 | .doit = nl80211_set_noack_map, | |
8958 | .policy = nl80211_policy, | |
8959 | .flags = GENL_ADMIN_PERM, | |
8960 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
8961 | NL80211_FLAG_NEED_RTNL, | |
8962 | }, | |
98104fde JB |
8963 | { |
8964 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
8965 | .doit = nl80211_start_p2p_device, | |
8966 | .policy = nl80211_policy, | |
8967 | .flags = GENL_ADMIN_PERM, | |
8968 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
8969 | NL80211_FLAG_NEED_RTNL, | |
8970 | }, | |
8971 | { | |
8972 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
8973 | .doit = nl80211_stop_p2p_device, | |
8974 | .policy = nl80211_policy, | |
8975 | .flags = GENL_ADMIN_PERM, | |
8976 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
8977 | NL80211_FLAG_NEED_RTNL, | |
8978 | }, | |
f4e583c8 AQ |
8979 | { |
8980 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
8981 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
8982 | .policy = nl80211_policy, |
8983 | .flags = GENL_ADMIN_PERM, | |
8984 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
8985 | NL80211_FLAG_NEED_RTNL, | |
8986 | }, | |
8987 | { | |
8988 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
8989 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
8990 | .policy = nl80211_policy, |
8991 | .flags = GENL_ADMIN_PERM, | |
8992 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
8993 | NL80211_FLAG_NEED_RTNL, | |
8994 | }, | |
04f39047 SW |
8995 | { |
8996 | .cmd = NL80211_CMD_RADAR_DETECT, | |
8997 | .doit = nl80211_start_radar_detection, | |
8998 | .policy = nl80211_policy, | |
8999 | .flags = GENL_ADMIN_PERM, | |
9000 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9001 | NL80211_FLAG_NEED_RTNL, | |
9002 | }, | |
3713b4e3 JB |
9003 | { |
9004 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
9005 | .doit = nl80211_get_protocol_features, | |
9006 | .policy = nl80211_policy, | |
9007 | }, | |
355199e0 JM |
9008 | { |
9009 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
9010 | .doit = nl80211_update_ft_ies, | |
9011 | .policy = nl80211_policy, | |
9012 | .flags = GENL_ADMIN_PERM, | |
9013 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9014 | NL80211_FLAG_NEED_RTNL, | |
9015 | }, | |
5de17984 AS |
9016 | { |
9017 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
9018 | .doit = nl80211_crit_protocol_start, | |
9019 | .policy = nl80211_policy, | |
9020 | .flags = GENL_ADMIN_PERM, | |
9021 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9022 | NL80211_FLAG_NEED_RTNL, | |
9023 | }, | |
9024 | { | |
9025 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
9026 | .doit = nl80211_crit_protocol_stop, | |
9027 | .policy = nl80211_policy, | |
9028 | .flags = GENL_ADMIN_PERM, | |
9029 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9030 | NL80211_FLAG_NEED_RTNL, | |
9031 | } | |
55682965 | 9032 | }; |
9588bbd5 | 9033 | |
6039f6d2 JM |
9034 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
9035 | .name = "mlme", | |
9036 | }; | |
55682965 JB |
9037 | |
9038 | /* multicast groups */ | |
9039 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
9040 | .name = "config", | |
9041 | }; | |
2a519311 JB |
9042 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
9043 | .name = "scan", | |
9044 | }; | |
73d54c9e LR |
9045 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
9046 | .name = "regulatory", | |
9047 | }; | |
55682965 JB |
9048 | |
9049 | /* notification functions */ | |
9050 | ||
9051 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
9052 | { | |
9053 | struct sk_buff *msg; | |
9054 | ||
fd2120ca | 9055 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
9056 | if (!msg) |
9057 | return; | |
9058 | ||
3713b4e3 JB |
9059 | if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, |
9060 | false, NULL, NULL, NULL) < 0) { | |
55682965 JB |
9061 | nlmsg_free(msg); |
9062 | return; | |
9063 | } | |
9064 | ||
463d0183 JB |
9065 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9066 | nl80211_config_mcgrp.id, GFP_KERNEL); | |
55682965 JB |
9067 | } |
9068 | ||
362a415d JB |
9069 | static int nl80211_add_scan_req(struct sk_buff *msg, |
9070 | struct cfg80211_registered_device *rdev) | |
9071 | { | |
9072 | struct cfg80211_scan_request *req = rdev->scan_req; | |
9073 | struct nlattr *nest; | |
9074 | int i; | |
9075 | ||
f9f47529 | 9076 | lockdep_assert_held(&rdev->sched_scan_mtx); |
667503dd | 9077 | |
362a415d JB |
9078 | if (WARN_ON(!req)) |
9079 | return 0; | |
9080 | ||
9081 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
9082 | if (!nest) | |
9083 | goto nla_put_failure; | |
9360ffd1 DM |
9084 | for (i = 0; i < req->n_ssids; i++) { |
9085 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
9086 | goto nla_put_failure; | |
9087 | } | |
362a415d JB |
9088 | nla_nest_end(msg, nest); |
9089 | ||
9090 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
9091 | if (!nest) | |
9092 | goto nla_put_failure; | |
9360ffd1 DM |
9093 | for (i = 0; i < req->n_channels; i++) { |
9094 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9095 | goto nla_put_failure; | |
9096 | } | |
362a415d JB |
9097 | nla_nest_end(msg, nest); |
9098 | ||
9360ffd1 DM |
9099 | if (req->ie && |
9100 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
9101 | goto nla_put_failure; | |
362a415d | 9102 | |
ed473771 SL |
9103 | if (req->flags) |
9104 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags); | |
9105 | ||
362a415d JB |
9106 | return 0; |
9107 | nla_put_failure: | |
9108 | return -ENOBUFS; | |
9109 | } | |
9110 | ||
a538e2d5 JB |
9111 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
9112 | struct cfg80211_registered_device *rdev, | |
fd014284 | 9113 | struct wireless_dev *wdev, |
15e47304 | 9114 | u32 portid, u32 seq, int flags, |
a538e2d5 | 9115 | u32 cmd) |
2a519311 JB |
9116 | { |
9117 | void *hdr; | |
9118 | ||
15e47304 | 9119 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
9120 | if (!hdr) |
9121 | return -1; | |
9122 | ||
9360ffd1 | 9123 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
9124 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
9125 | wdev->netdev->ifindex)) || | |
9126 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 9127 | goto nla_put_failure; |
2a519311 | 9128 | |
362a415d JB |
9129 | /* ignore errors and send incomplete event anyway */ |
9130 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
9131 | |
9132 | return genlmsg_end(msg, hdr); | |
9133 | ||
9134 | nla_put_failure: | |
9135 | genlmsg_cancel(msg, hdr); | |
9136 | return -EMSGSIZE; | |
9137 | } | |
9138 | ||
807f8a8c LC |
9139 | static int |
9140 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
9141 | struct cfg80211_registered_device *rdev, | |
9142 | struct net_device *netdev, | |
15e47304 | 9143 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
9144 | { |
9145 | void *hdr; | |
9146 | ||
15e47304 | 9147 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
9148 | if (!hdr) |
9149 | return -1; | |
9150 | ||
9360ffd1 DM |
9151 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9152 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
9153 | goto nla_put_failure; | |
807f8a8c LC |
9154 | |
9155 | return genlmsg_end(msg, hdr); | |
9156 | ||
9157 | nla_put_failure: | |
9158 | genlmsg_cancel(msg, hdr); | |
9159 | return -EMSGSIZE; | |
9160 | } | |
9161 | ||
a538e2d5 | 9162 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 9163 | struct wireless_dev *wdev) |
a538e2d5 JB |
9164 | { |
9165 | struct sk_buff *msg; | |
9166 | ||
58050fce | 9167 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
9168 | if (!msg) |
9169 | return; | |
9170 | ||
fd014284 | 9171 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
9172 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
9173 | nlmsg_free(msg); | |
9174 | return; | |
9175 | } | |
9176 | ||
463d0183 JB |
9177 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9178 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
a538e2d5 JB |
9179 | } |
9180 | ||
2a519311 | 9181 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
fd014284 | 9182 | struct wireless_dev *wdev) |
2a519311 JB |
9183 | { |
9184 | struct sk_buff *msg; | |
9185 | ||
fd2120ca | 9186 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9187 | if (!msg) |
9188 | return; | |
9189 | ||
fd014284 | 9190 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9191 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { |
2a519311 JB |
9192 | nlmsg_free(msg); |
9193 | return; | |
9194 | } | |
9195 | ||
463d0183 JB |
9196 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9197 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
9198 | } |
9199 | ||
9200 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
fd014284 | 9201 | struct wireless_dev *wdev) |
2a519311 JB |
9202 | { |
9203 | struct sk_buff *msg; | |
9204 | ||
fd2120ca | 9205 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9206 | if (!msg) |
9207 | return; | |
9208 | ||
fd014284 | 9209 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9210 | NL80211_CMD_SCAN_ABORTED) < 0) { |
2a519311 JB |
9211 | nlmsg_free(msg); |
9212 | return; | |
9213 | } | |
9214 | ||
463d0183 JB |
9215 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9216 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
9217 | } |
9218 | ||
807f8a8c LC |
9219 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
9220 | struct net_device *netdev) | |
9221 | { | |
9222 | struct sk_buff *msg; | |
9223 | ||
9224 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9225 | if (!msg) | |
9226 | return; | |
9227 | ||
9228 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
9229 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
9230 | nlmsg_free(msg); | |
9231 | return; | |
9232 | } | |
9233 | ||
9234 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9235 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
9236 | } | |
9237 | ||
9238 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
9239 | struct net_device *netdev, u32 cmd) | |
9240 | { | |
9241 | struct sk_buff *msg; | |
9242 | ||
58050fce | 9243 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
9244 | if (!msg) |
9245 | return; | |
9246 | ||
9247 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
9248 | nlmsg_free(msg); | |
9249 | return; | |
9250 | } | |
9251 | ||
9252 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9253 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
9254 | } | |
9255 | ||
73d54c9e LR |
9256 | /* |
9257 | * This can happen on global regulatory changes or device specific settings | |
9258 | * based on custom world regulatory domains. | |
9259 | */ | |
9260 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
9261 | { | |
9262 | struct sk_buff *msg; | |
9263 | void *hdr; | |
9264 | ||
fd2120ca | 9265 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
9266 | if (!msg) |
9267 | return; | |
9268 | ||
9269 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
9270 | if (!hdr) { | |
9271 | nlmsg_free(msg); | |
9272 | return; | |
9273 | } | |
9274 | ||
9275 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
9276 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
9277 | goto nla_put_failure; | |
9278 | ||
9279 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
9280 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9281 | NL80211_REGDOM_TYPE_WORLD)) | |
9282 | goto nla_put_failure; | |
9283 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
9284 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9285 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
9286 | goto nla_put_failure; | |
9287 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
9288 | request->intersect) { | |
9289 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9290 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
9291 | goto nla_put_failure; | |
9292 | } else { | |
9293 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9294 | NL80211_REGDOM_TYPE_COUNTRY) || | |
9295 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
9296 | request->alpha2)) | |
9297 | goto nla_put_failure; | |
9298 | } | |
9299 | ||
f4173766 | 9300 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
9301 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
9302 | goto nla_put_failure; | |
73d54c9e | 9303 | |
3b7b72ee | 9304 | genlmsg_end(msg, hdr); |
73d54c9e | 9305 | |
bc43b28c | 9306 | rcu_read_lock(); |
463d0183 | 9307 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
bc43b28c JB |
9308 | GFP_ATOMIC); |
9309 | rcu_read_unlock(); | |
73d54c9e LR |
9310 | |
9311 | return; | |
9312 | ||
9313 | nla_put_failure: | |
9314 | genlmsg_cancel(msg, hdr); | |
9315 | nlmsg_free(msg); | |
9316 | } | |
9317 | ||
6039f6d2 JM |
9318 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
9319 | struct net_device *netdev, | |
9320 | const u8 *buf, size_t len, | |
e6d6e342 | 9321 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
9322 | { |
9323 | struct sk_buff *msg; | |
9324 | void *hdr; | |
9325 | ||
e6d6e342 | 9326 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
9327 | if (!msg) |
9328 | return; | |
9329 | ||
9330 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9331 | if (!hdr) { | |
9332 | nlmsg_free(msg); | |
9333 | return; | |
9334 | } | |
9335 | ||
9360ffd1 DM |
9336 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9337 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9338 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
9339 | goto nla_put_failure; | |
6039f6d2 | 9340 | |
3b7b72ee | 9341 | genlmsg_end(msg, hdr); |
6039f6d2 | 9342 | |
463d0183 JB |
9343 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9344 | nl80211_mlme_mcgrp.id, gfp); | |
6039f6d2 JM |
9345 | return; |
9346 | ||
9347 | nla_put_failure: | |
9348 | genlmsg_cancel(msg, hdr); | |
9349 | nlmsg_free(msg); | |
9350 | } | |
9351 | ||
9352 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9353 | struct net_device *netdev, const u8 *buf, |
9354 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9355 | { |
9356 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9357 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
9358 | } |
9359 | ||
9360 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
9361 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9362 | size_t len, gfp_t gfp) |
6039f6d2 | 9363 | { |
e6d6e342 JB |
9364 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
9365 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
9366 | } |
9367 | ||
53b46b84 | 9368 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
9369 | struct net_device *netdev, const u8 *buf, |
9370 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9371 | { |
9372 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9373 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
9374 | } |
9375 | ||
53b46b84 JM |
9376 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
9377 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9378 | size_t len, gfp_t gfp) |
6039f6d2 JM |
9379 | { |
9380 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9381 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
9382 | } |
9383 | ||
947add36 JB |
9384 | void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, |
9385 | size_t len) | |
cf4e594e | 9386 | { |
947add36 JB |
9387 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9388 | struct wiphy *wiphy = wdev->wiphy; | |
9389 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
9390 | ||
9391 | trace_cfg80211_send_unprot_deauth(dev); | |
9392 | nl80211_send_mlme_event(rdev, dev, buf, len, | |
9393 | NL80211_CMD_UNPROT_DEAUTHENTICATE, GFP_ATOMIC); | |
cf4e594e | 9394 | } |
947add36 | 9395 | EXPORT_SYMBOL(cfg80211_send_unprot_deauth); |
cf4e594e | 9396 | |
947add36 JB |
9397 | void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, |
9398 | size_t len) | |
cf4e594e | 9399 | { |
947add36 JB |
9400 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9401 | struct wiphy *wiphy = wdev->wiphy; | |
9402 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
9403 | ||
9404 | trace_cfg80211_send_unprot_disassoc(dev); | |
9405 | nl80211_send_mlme_event(rdev, dev, buf, len, | |
9406 | NL80211_CMD_UNPROT_DISASSOCIATE, GFP_ATOMIC); | |
cf4e594e | 9407 | } |
947add36 | 9408 | EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); |
cf4e594e | 9409 | |
1b06bb40 LR |
9410 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
9411 | struct net_device *netdev, int cmd, | |
e6d6e342 | 9412 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
9413 | { |
9414 | struct sk_buff *msg; | |
9415 | void *hdr; | |
9416 | ||
e6d6e342 | 9417 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
9418 | if (!msg) |
9419 | return; | |
9420 | ||
9421 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9422 | if (!hdr) { | |
9423 | nlmsg_free(msg); | |
9424 | return; | |
9425 | } | |
9426 | ||
9360ffd1 DM |
9427 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9428 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9429 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
9430 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
9431 | goto nla_put_failure; | |
1965c853 | 9432 | |
3b7b72ee | 9433 | genlmsg_end(msg, hdr); |
1965c853 | 9434 | |
463d0183 JB |
9435 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9436 | nl80211_mlme_mcgrp.id, gfp); | |
1965c853 JM |
9437 | return; |
9438 | ||
9439 | nla_put_failure: | |
9440 | genlmsg_cancel(msg, hdr); | |
9441 | nlmsg_free(msg); | |
9442 | } | |
9443 | ||
9444 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9445 | struct net_device *netdev, const u8 *addr, |
9446 | gfp_t gfp) | |
1965c853 JM |
9447 | { |
9448 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 9449 | addr, gfp); |
1965c853 JM |
9450 | } |
9451 | ||
9452 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9453 | struct net_device *netdev, const u8 *addr, |
9454 | gfp_t gfp) | |
1965c853 | 9455 | { |
e6d6e342 JB |
9456 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
9457 | addr, gfp); | |
1965c853 JM |
9458 | } |
9459 | ||
b23aa676 SO |
9460 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
9461 | struct net_device *netdev, const u8 *bssid, | |
9462 | const u8 *req_ie, size_t req_ie_len, | |
9463 | const u8 *resp_ie, size_t resp_ie_len, | |
9464 | u16 status, gfp_t gfp) | |
9465 | { | |
9466 | struct sk_buff *msg; | |
9467 | void *hdr; | |
9468 | ||
58050fce | 9469 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
9470 | if (!msg) |
9471 | return; | |
9472 | ||
9473 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
9474 | if (!hdr) { | |
9475 | nlmsg_free(msg); | |
9476 | return; | |
9477 | } | |
9478 | ||
9360ffd1 DM |
9479 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9480 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9481 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
9482 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
9483 | (req_ie && | |
9484 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
9485 | (resp_ie && | |
9486 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
9487 | goto nla_put_failure; | |
b23aa676 | 9488 | |
3b7b72ee | 9489 | genlmsg_end(msg, hdr); |
b23aa676 | 9490 | |
463d0183 JB |
9491 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9492 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
9493 | return; |
9494 | ||
9495 | nla_put_failure: | |
9496 | genlmsg_cancel(msg, hdr); | |
9497 | nlmsg_free(msg); | |
9498 | ||
9499 | } | |
9500 | ||
9501 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
9502 | struct net_device *netdev, const u8 *bssid, | |
9503 | const u8 *req_ie, size_t req_ie_len, | |
9504 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
9505 | { | |
9506 | struct sk_buff *msg; | |
9507 | void *hdr; | |
9508 | ||
58050fce | 9509 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
9510 | if (!msg) |
9511 | return; | |
9512 | ||
9513 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
9514 | if (!hdr) { | |
9515 | nlmsg_free(msg); | |
9516 | return; | |
9517 | } | |
9518 | ||
9360ffd1 DM |
9519 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9520 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9521 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
9522 | (req_ie && | |
9523 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
9524 | (resp_ie && | |
9525 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
9526 | goto nla_put_failure; | |
b23aa676 | 9527 | |
3b7b72ee | 9528 | genlmsg_end(msg, hdr); |
b23aa676 | 9529 | |
463d0183 JB |
9530 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9531 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
9532 | return; |
9533 | ||
9534 | nla_put_failure: | |
9535 | genlmsg_cancel(msg, hdr); | |
9536 | nlmsg_free(msg); | |
9537 | ||
9538 | } | |
9539 | ||
9540 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
9541 | struct net_device *netdev, u16 reason, | |
667503dd | 9542 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
9543 | { |
9544 | struct sk_buff *msg; | |
9545 | void *hdr; | |
9546 | ||
58050fce | 9547 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
9548 | if (!msg) |
9549 | return; | |
9550 | ||
9551 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
9552 | if (!hdr) { | |
9553 | nlmsg_free(msg); | |
9554 | return; | |
9555 | } | |
9556 | ||
9360ffd1 DM |
9557 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9558 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9559 | (from_ap && reason && | |
9560 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
9561 | (from_ap && | |
9562 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
9563 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
9564 | goto nla_put_failure; | |
b23aa676 | 9565 | |
3b7b72ee | 9566 | genlmsg_end(msg, hdr); |
b23aa676 | 9567 | |
463d0183 JB |
9568 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9569 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
b23aa676 SO |
9570 | return; |
9571 | ||
9572 | nla_put_failure: | |
9573 | genlmsg_cancel(msg, hdr); | |
9574 | nlmsg_free(msg); | |
9575 | ||
9576 | } | |
9577 | ||
04a773ad JB |
9578 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
9579 | struct net_device *netdev, const u8 *bssid, | |
9580 | gfp_t gfp) | |
9581 | { | |
9582 | struct sk_buff *msg; | |
9583 | void *hdr; | |
9584 | ||
fd2120ca | 9585 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
9586 | if (!msg) |
9587 | return; | |
9588 | ||
9589 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
9590 | if (!hdr) { | |
9591 | nlmsg_free(msg); | |
9592 | return; | |
9593 | } | |
9594 | ||
9360ffd1 DM |
9595 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9596 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9597 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
9598 | goto nla_put_failure; | |
04a773ad | 9599 | |
3b7b72ee | 9600 | genlmsg_end(msg, hdr); |
04a773ad | 9601 | |
463d0183 JB |
9602 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9603 | nl80211_mlme_mcgrp.id, gfp); | |
04a773ad JB |
9604 | return; |
9605 | ||
9606 | nla_put_failure: | |
9607 | genlmsg_cancel(msg, hdr); | |
9608 | nlmsg_free(msg); | |
9609 | } | |
9610 | ||
947add36 JB |
9611 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
9612 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 9613 | { |
947add36 JB |
9614 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9615 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
c93b5e71 JC |
9616 | struct sk_buff *msg; |
9617 | void *hdr; | |
9618 | ||
947add36 JB |
9619 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
9620 | return; | |
9621 | ||
9622 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
9623 | ||
c93b5e71 JC |
9624 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
9625 | if (!msg) | |
9626 | return; | |
9627 | ||
9628 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
9629 | if (!hdr) { | |
9630 | nlmsg_free(msg); | |
9631 | return; | |
9632 | } | |
9633 | ||
9360ffd1 | 9634 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
9635 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9636 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
9637 | (ie_len && ie && |
9638 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
9639 | goto nla_put_failure; | |
c93b5e71 | 9640 | |
3b7b72ee | 9641 | genlmsg_end(msg, hdr); |
c93b5e71 JC |
9642 | |
9643 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9644 | nl80211_mlme_mcgrp.id, gfp); | |
9645 | return; | |
9646 | ||
9647 | nla_put_failure: | |
9648 | genlmsg_cancel(msg, hdr); | |
9649 | nlmsg_free(msg); | |
9650 | } | |
947add36 | 9651 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 9652 | |
a3b8b056 JM |
9653 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
9654 | struct net_device *netdev, const u8 *addr, | |
9655 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 9656 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
9657 | { |
9658 | struct sk_buff *msg; | |
9659 | void *hdr; | |
9660 | ||
e6d6e342 | 9661 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
9662 | if (!msg) |
9663 | return; | |
9664 | ||
9665 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
9666 | if (!hdr) { | |
9667 | nlmsg_free(msg); | |
9668 | return; | |
9669 | } | |
9670 | ||
9360ffd1 DM |
9671 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9672 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9673 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
9674 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
9675 | (key_id != -1 && | |
9676 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
9677 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
9678 | goto nla_put_failure; | |
a3b8b056 | 9679 | |
3b7b72ee | 9680 | genlmsg_end(msg, hdr); |
a3b8b056 | 9681 | |
463d0183 JB |
9682 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9683 | nl80211_mlme_mcgrp.id, gfp); | |
a3b8b056 JM |
9684 | return; |
9685 | ||
9686 | nla_put_failure: | |
9687 | genlmsg_cancel(msg, hdr); | |
9688 | nlmsg_free(msg); | |
9689 | } | |
9690 | ||
6bad8766 LR |
9691 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
9692 | struct ieee80211_channel *channel_before, | |
9693 | struct ieee80211_channel *channel_after) | |
9694 | { | |
9695 | struct sk_buff *msg; | |
9696 | void *hdr; | |
9697 | struct nlattr *nl_freq; | |
9698 | ||
fd2120ca | 9699 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
9700 | if (!msg) |
9701 | return; | |
9702 | ||
9703 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
9704 | if (!hdr) { | |
9705 | nlmsg_free(msg); | |
9706 | return; | |
9707 | } | |
9708 | ||
9709 | /* | |
9710 | * Since we are applying the beacon hint to a wiphy we know its | |
9711 | * wiphy_idx is valid | |
9712 | */ | |
9360ffd1 DM |
9713 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
9714 | goto nla_put_failure; | |
6bad8766 LR |
9715 | |
9716 | /* Before */ | |
9717 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
9718 | if (!nl_freq) | |
9719 | goto nla_put_failure; | |
cdc89b97 | 9720 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
9721 | goto nla_put_failure; |
9722 | nla_nest_end(msg, nl_freq); | |
9723 | ||
9724 | /* After */ | |
9725 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
9726 | if (!nl_freq) | |
9727 | goto nla_put_failure; | |
cdc89b97 | 9728 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
9729 | goto nla_put_failure; |
9730 | nla_nest_end(msg, nl_freq); | |
9731 | ||
3b7b72ee | 9732 | genlmsg_end(msg, hdr); |
6bad8766 | 9733 | |
463d0183 JB |
9734 | rcu_read_lock(); |
9735 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, | |
9736 | GFP_ATOMIC); | |
9737 | rcu_read_unlock(); | |
6bad8766 LR |
9738 | |
9739 | return; | |
9740 | ||
9741 | nla_put_failure: | |
9742 | genlmsg_cancel(msg, hdr); | |
9743 | nlmsg_free(msg); | |
9744 | } | |
9745 | ||
9588bbd5 JM |
9746 | static void nl80211_send_remain_on_chan_event( |
9747 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 9748 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 9749 | struct ieee80211_channel *chan, |
9588bbd5 JM |
9750 | unsigned int duration, gfp_t gfp) |
9751 | { | |
9752 | struct sk_buff *msg; | |
9753 | void *hdr; | |
9754 | ||
9755 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
9756 | if (!msg) | |
9757 | return; | |
9758 | ||
9759 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9760 | if (!hdr) { | |
9761 | nlmsg_free(msg); | |
9762 | return; | |
9763 | } | |
9764 | ||
9360ffd1 | 9765 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
9766 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
9767 | wdev->netdev->ifindex)) || | |
00f53350 | 9768 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 9769 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
9770 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
9771 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
9772 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
9773 | goto nla_put_failure; | |
9588bbd5 | 9774 | |
9360ffd1 DM |
9775 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
9776 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
9777 | goto nla_put_failure; | |
9588bbd5 | 9778 | |
3b7b72ee | 9779 | genlmsg_end(msg, hdr); |
9588bbd5 JM |
9780 | |
9781 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9782 | nl80211_mlme_mcgrp.id, gfp); | |
9783 | return; | |
9784 | ||
9785 | nla_put_failure: | |
9786 | genlmsg_cancel(msg, hdr); | |
9787 | nlmsg_free(msg); | |
9788 | } | |
9789 | ||
947add36 JB |
9790 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
9791 | struct ieee80211_channel *chan, | |
9792 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 9793 | { |
947add36 JB |
9794 | struct wiphy *wiphy = wdev->wiphy; |
9795 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
9796 | ||
9797 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 9798 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 9799 | rdev, wdev, cookie, chan, |
42d97a59 | 9800 | duration, gfp); |
9588bbd5 | 9801 | } |
947add36 | 9802 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 9803 | |
947add36 JB |
9804 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
9805 | struct ieee80211_channel *chan, | |
9806 | gfp_t gfp) | |
9588bbd5 | 9807 | { |
947add36 JB |
9808 | struct wiphy *wiphy = wdev->wiphy; |
9809 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
9810 | ||
9811 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 9812 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 9813 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 9814 | } |
947add36 | 9815 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 9816 | |
947add36 JB |
9817 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
9818 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 9819 | { |
947add36 JB |
9820 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
9821 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
98b62183 JB |
9822 | struct sk_buff *msg; |
9823 | ||
947add36 JB |
9824 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
9825 | ||
58050fce | 9826 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
9827 | if (!msg) |
9828 | return; | |
9829 | ||
66266b3a JL |
9830 | if (nl80211_send_station(msg, 0, 0, 0, |
9831 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
9832 | nlmsg_free(msg); |
9833 | return; | |
9834 | } | |
9835 | ||
9836 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9837 | nl80211_mlme_mcgrp.id, gfp); | |
9838 | } | |
947add36 | 9839 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 9840 | |
947add36 | 9841 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 9842 | { |
947add36 JB |
9843 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
9844 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ec15e68b JM |
9845 | struct sk_buff *msg; |
9846 | void *hdr; | |
9847 | ||
947add36 JB |
9848 | trace_cfg80211_del_sta(dev, mac_addr); |
9849 | ||
58050fce | 9850 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
9851 | if (!msg) |
9852 | return; | |
9853 | ||
9854 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
9855 | if (!hdr) { | |
9856 | nlmsg_free(msg); | |
9857 | return; | |
9858 | } | |
9859 | ||
9360ffd1 DM |
9860 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9861 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
9862 | goto nla_put_failure; | |
ec15e68b | 9863 | |
3b7b72ee | 9864 | genlmsg_end(msg, hdr); |
ec15e68b JM |
9865 | |
9866 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9867 | nl80211_mlme_mcgrp.id, gfp); | |
9868 | return; | |
9869 | ||
9870 | nla_put_failure: | |
9871 | genlmsg_cancel(msg, hdr); | |
9872 | nlmsg_free(msg); | |
9873 | } | |
947add36 | 9874 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 9875 | |
947add36 JB |
9876 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
9877 | enum nl80211_connect_failed_reason reason, | |
9878 | gfp_t gfp) | |
ed44a951 | 9879 | { |
947add36 JB |
9880 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
9881 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ed44a951 PP |
9882 | struct sk_buff *msg; |
9883 | void *hdr; | |
9884 | ||
9885 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
9886 | if (!msg) | |
9887 | return; | |
9888 | ||
9889 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
9890 | if (!hdr) { | |
9891 | nlmsg_free(msg); | |
9892 | return; | |
9893 | } | |
9894 | ||
9895 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
9896 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
9897 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
9898 | goto nla_put_failure; | |
9899 | ||
9900 | genlmsg_end(msg, hdr); | |
9901 | ||
9902 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9903 | nl80211_mlme_mcgrp.id, gfp); | |
9904 | return; | |
9905 | ||
9906 | nla_put_failure: | |
9907 | genlmsg_cancel(msg, hdr); | |
9908 | nlmsg_free(msg); | |
9909 | } | |
947add36 | 9910 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 9911 | |
b92ab5d8 JB |
9912 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
9913 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
9914 | { |
9915 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9916 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
9917 | struct sk_buff *msg; | |
9918 | void *hdr; | |
9919 | int err; | |
15e47304 | 9920 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 9921 | |
15e47304 | 9922 | if (!nlportid) |
28946da7 JB |
9923 | return false; |
9924 | ||
9925 | msg = nlmsg_new(100, gfp); | |
9926 | if (!msg) | |
9927 | return true; | |
9928 | ||
b92ab5d8 | 9929 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
9930 | if (!hdr) { |
9931 | nlmsg_free(msg); | |
9932 | return true; | |
9933 | } | |
9934 | ||
9360ffd1 DM |
9935 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9936 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
9937 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
9938 | goto nla_put_failure; | |
28946da7 JB |
9939 | |
9940 | err = genlmsg_end(msg, hdr); | |
9941 | if (err < 0) { | |
9942 | nlmsg_free(msg); | |
9943 | return true; | |
9944 | } | |
9945 | ||
15e47304 | 9946 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
9947 | return true; |
9948 | ||
9949 | nla_put_failure: | |
9950 | genlmsg_cancel(msg, hdr); | |
9951 | nlmsg_free(msg); | |
9952 | return true; | |
9953 | } | |
9954 | ||
947add36 JB |
9955 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
9956 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 9957 | { |
947add36 JB |
9958 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9959 | bool ret; | |
9960 | ||
9961 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
9962 | ||
9963 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
9964 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
9965 | trace_cfg80211_return_bool(false); | |
9966 | return false; | |
9967 | } | |
9968 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
9969 | addr, gfp); | |
9970 | trace_cfg80211_return_bool(ret); | |
9971 | return ret; | |
b92ab5d8 | 9972 | } |
947add36 | 9973 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 9974 | |
947add36 JB |
9975 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
9976 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 9977 | { |
947add36 JB |
9978 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9979 | bool ret; | |
9980 | ||
9981 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
9982 | ||
9983 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
9984 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
9985 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
9986 | trace_cfg80211_return_bool(false); | |
9987 | return false; | |
9988 | } | |
9989 | ret = __nl80211_unexpected_frame(dev, | |
9990 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
9991 | addr, gfp); | |
9992 | trace_cfg80211_return_bool(ret); | |
9993 | return ret; | |
b92ab5d8 | 9994 | } |
947add36 | 9995 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 9996 | |
2e161f78 | 9997 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 9998 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 JB |
9999 | int freq, int sig_dbm, |
10000 | const u8 *buf, size_t len, gfp_t gfp) | |
026331c4 | 10001 | { |
71bbc994 | 10002 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10003 | struct sk_buff *msg; |
10004 | void *hdr; | |
026331c4 JM |
10005 | |
10006 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10007 | if (!msg) | |
10008 | return -ENOMEM; | |
10009 | ||
2e161f78 | 10010 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
10011 | if (!hdr) { |
10012 | nlmsg_free(msg); | |
10013 | return -ENOMEM; | |
10014 | } | |
10015 | ||
9360ffd1 | 10016 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10017 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10018 | netdev->ifindex)) || | |
9360ffd1 DM |
10019 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
10020 | (sig_dbm && | |
10021 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
10022 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
10023 | goto nla_put_failure; | |
026331c4 | 10024 | |
3b7b72ee | 10025 | genlmsg_end(msg, hdr); |
026331c4 | 10026 | |
15e47304 | 10027 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
10028 | |
10029 | nla_put_failure: | |
10030 | genlmsg_cancel(msg, hdr); | |
10031 | nlmsg_free(msg); | |
10032 | return -ENOBUFS; | |
10033 | } | |
10034 | ||
947add36 JB |
10035 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
10036 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 10037 | { |
947add36 JB |
10038 | struct wiphy *wiphy = wdev->wiphy; |
10039 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
71bbc994 | 10040 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10041 | struct sk_buff *msg; |
10042 | void *hdr; | |
10043 | ||
947add36 JB |
10044 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
10045 | ||
026331c4 JM |
10046 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10047 | if (!msg) | |
10048 | return; | |
10049 | ||
2e161f78 | 10050 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
10051 | if (!hdr) { |
10052 | nlmsg_free(msg); | |
10053 | return; | |
10054 | } | |
10055 | ||
9360ffd1 | 10056 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10057 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10058 | netdev->ifindex)) || | |
9360ffd1 DM |
10059 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10060 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10061 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10062 | goto nla_put_failure; | |
026331c4 | 10063 | |
3b7b72ee | 10064 | genlmsg_end(msg, hdr); |
026331c4 JM |
10065 | |
10066 | genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); | |
10067 | return; | |
10068 | ||
10069 | nla_put_failure: | |
10070 | genlmsg_cancel(msg, hdr); | |
10071 | nlmsg_free(msg); | |
10072 | } | |
947add36 | 10073 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 10074 | |
947add36 JB |
10075 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
10076 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
10077 | gfp_t gfp) | |
d6dc1a38 | 10078 | { |
947add36 JB |
10079 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10080 | struct wiphy *wiphy = wdev->wiphy; | |
10081 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
d6dc1a38 JO |
10082 | struct sk_buff *msg; |
10083 | struct nlattr *pinfoattr; | |
10084 | void *hdr; | |
10085 | ||
947add36 JB |
10086 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
10087 | ||
58050fce | 10088 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
10089 | if (!msg) |
10090 | return; | |
10091 | ||
10092 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10093 | if (!hdr) { | |
10094 | nlmsg_free(msg); | |
10095 | return; | |
10096 | } | |
10097 | ||
9360ffd1 | 10098 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10099 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 10100 | goto nla_put_failure; |
d6dc1a38 JO |
10101 | |
10102 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10103 | if (!pinfoattr) | |
10104 | goto nla_put_failure; | |
10105 | ||
9360ffd1 DM |
10106 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
10107 | rssi_event)) | |
10108 | goto nla_put_failure; | |
d6dc1a38 JO |
10109 | |
10110 | nla_nest_end(msg, pinfoattr); | |
10111 | ||
3b7b72ee | 10112 | genlmsg_end(msg, hdr); |
d6dc1a38 JO |
10113 | |
10114 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10115 | nl80211_mlme_mcgrp.id, gfp); | |
10116 | return; | |
10117 | ||
10118 | nla_put_failure: | |
10119 | genlmsg_cancel(msg, hdr); | |
10120 | nlmsg_free(msg); | |
10121 | } | |
947add36 | 10122 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 10123 | |
947add36 JB |
10124 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
10125 | struct net_device *netdev, const u8 *bssid, | |
10126 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
10127 | { |
10128 | struct sk_buff *msg; | |
10129 | struct nlattr *rekey_attr; | |
10130 | void *hdr; | |
10131 | ||
58050fce | 10132 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
10133 | if (!msg) |
10134 | return; | |
10135 | ||
10136 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
10137 | if (!hdr) { | |
10138 | nlmsg_free(msg); | |
10139 | return; | |
10140 | } | |
10141 | ||
9360ffd1 DM |
10142 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10143 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10144 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10145 | goto nla_put_failure; | |
e5497d76 JB |
10146 | |
10147 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
10148 | if (!rekey_attr) | |
10149 | goto nla_put_failure; | |
10150 | ||
9360ffd1 DM |
10151 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
10152 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
10153 | goto nla_put_failure; | |
e5497d76 JB |
10154 | |
10155 | nla_nest_end(msg, rekey_attr); | |
10156 | ||
3b7b72ee | 10157 | genlmsg_end(msg, hdr); |
e5497d76 JB |
10158 | |
10159 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10160 | nl80211_mlme_mcgrp.id, gfp); | |
10161 | return; | |
10162 | ||
10163 | nla_put_failure: | |
10164 | genlmsg_cancel(msg, hdr); | |
10165 | nlmsg_free(msg); | |
10166 | } | |
10167 | ||
947add36 JB |
10168 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
10169 | const u8 *replay_ctr, gfp_t gfp) | |
10170 | { | |
10171 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10172 | struct wiphy *wiphy = wdev->wiphy; | |
10173 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10174 | ||
10175 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
10176 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
10177 | } | |
10178 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
10179 | ||
10180 | static void | |
10181 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
10182 | struct net_device *netdev, int index, | |
10183 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
10184 | { |
10185 | struct sk_buff *msg; | |
10186 | struct nlattr *attr; | |
10187 | void *hdr; | |
10188 | ||
58050fce | 10189 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
10190 | if (!msg) |
10191 | return; | |
10192 | ||
10193 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
10194 | if (!hdr) { | |
10195 | nlmsg_free(msg); | |
10196 | return; | |
10197 | } | |
10198 | ||
9360ffd1 DM |
10199 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10200 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10201 | goto nla_put_failure; | |
c9df56b4 JM |
10202 | |
10203 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
10204 | if (!attr) | |
10205 | goto nla_put_failure; | |
10206 | ||
9360ffd1 DM |
10207 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
10208 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
10209 | (preauth && | |
10210 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
10211 | goto nla_put_failure; | |
c9df56b4 JM |
10212 | |
10213 | nla_nest_end(msg, attr); | |
10214 | ||
3b7b72ee | 10215 | genlmsg_end(msg, hdr); |
c9df56b4 JM |
10216 | |
10217 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10218 | nl80211_mlme_mcgrp.id, gfp); | |
10219 | return; | |
10220 | ||
10221 | nla_put_failure: | |
10222 | genlmsg_cancel(msg, hdr); | |
10223 | nlmsg_free(msg); | |
10224 | } | |
10225 | ||
947add36 JB |
10226 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
10227 | const u8 *bssid, bool preauth, gfp_t gfp) | |
10228 | { | |
10229 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10230 | struct wiphy *wiphy = wdev->wiphy; | |
10231 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10232 | ||
10233 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
10234 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
10235 | } | |
10236 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
10237 | ||
10238 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
10239 | struct net_device *netdev, | |
10240 | struct cfg80211_chan_def *chandef, | |
10241 | gfp_t gfp) | |
5314526b TP |
10242 | { |
10243 | struct sk_buff *msg; | |
10244 | void *hdr; | |
10245 | ||
58050fce | 10246 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
10247 | if (!msg) |
10248 | return; | |
10249 | ||
10250 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
10251 | if (!hdr) { | |
10252 | nlmsg_free(msg); | |
10253 | return; | |
10254 | } | |
10255 | ||
683b6d3b JB |
10256 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
10257 | goto nla_put_failure; | |
10258 | ||
10259 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 10260 | goto nla_put_failure; |
5314526b TP |
10261 | |
10262 | genlmsg_end(msg, hdr); | |
10263 | ||
10264 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10265 | nl80211_mlme_mcgrp.id, gfp); | |
10266 | return; | |
10267 | ||
10268 | nla_put_failure: | |
10269 | genlmsg_cancel(msg, hdr); | |
10270 | nlmsg_free(msg); | |
10271 | } | |
10272 | ||
947add36 JB |
10273 | void cfg80211_ch_switch_notify(struct net_device *dev, |
10274 | struct cfg80211_chan_def *chandef) | |
84f10708 | 10275 | { |
947add36 JB |
10276 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10277 | struct wiphy *wiphy = wdev->wiphy; | |
10278 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10279 | ||
10280 | trace_cfg80211_ch_switch_notify(dev, chandef); | |
10281 | ||
10282 | wdev_lock(wdev); | |
10283 | ||
10284 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10285 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
10286 | goto out; | |
10287 | ||
10288 | wdev->channel = chandef->chan; | |
10289 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); | |
10290 | out: | |
10291 | wdev_unlock(wdev); | |
10292 | return; | |
10293 | } | |
10294 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
10295 | ||
10296 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
10297 | const u8 *peer, u32 num_packets, | |
10298 | u32 rate, u32 intvl, gfp_t gfp) | |
10299 | { | |
10300 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10301 | struct wiphy *wiphy = wdev->wiphy; | |
10302 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
84f10708 TP |
10303 | struct sk_buff *msg; |
10304 | struct nlattr *pinfoattr; | |
10305 | void *hdr; | |
10306 | ||
10307 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10308 | if (!msg) | |
10309 | return; | |
10310 | ||
10311 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10312 | if (!hdr) { | |
10313 | nlmsg_free(msg); | |
10314 | return; | |
10315 | } | |
10316 | ||
10317 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 10318 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
10319 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10320 | goto nla_put_failure; | |
10321 | ||
10322 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10323 | if (!pinfoattr) | |
10324 | goto nla_put_failure; | |
10325 | ||
10326 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
10327 | goto nla_put_failure; | |
10328 | ||
10329 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
10330 | goto nla_put_failure; | |
10331 | ||
10332 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
10333 | goto nla_put_failure; | |
10334 | ||
10335 | nla_nest_end(msg, pinfoattr); | |
10336 | ||
10337 | genlmsg_end(msg, hdr); | |
10338 | ||
10339 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10340 | nl80211_mlme_mcgrp.id, gfp); | |
10341 | return; | |
10342 | ||
10343 | nla_put_failure: | |
10344 | genlmsg_cancel(msg, hdr); | |
10345 | nlmsg_free(msg); | |
10346 | } | |
947add36 | 10347 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 10348 | |
04f39047 SW |
10349 | void |
10350 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
10351 | struct cfg80211_chan_def *chandef, | |
10352 | enum nl80211_radar_event event, | |
10353 | struct net_device *netdev, gfp_t gfp) | |
10354 | { | |
10355 | struct sk_buff *msg; | |
10356 | void *hdr; | |
10357 | ||
10358 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10359 | if (!msg) | |
10360 | return; | |
10361 | ||
10362 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
10363 | if (!hdr) { | |
10364 | nlmsg_free(msg); | |
10365 | return; | |
10366 | } | |
10367 | ||
10368 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
10369 | goto nla_put_failure; | |
10370 | ||
10371 | /* NOP and radar events don't need a netdev parameter */ | |
10372 | if (netdev) { | |
10373 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
10374 | ||
10375 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10376 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
10377 | goto nla_put_failure; | |
10378 | } | |
10379 | ||
10380 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
10381 | goto nla_put_failure; | |
10382 | ||
10383 | if (nl80211_send_chandef(msg, chandef)) | |
10384 | goto nla_put_failure; | |
10385 | ||
10386 | if (genlmsg_end(msg, hdr) < 0) { | |
10387 | nlmsg_free(msg); | |
10388 | return; | |
10389 | } | |
10390 | ||
10391 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10392 | nl80211_mlme_mcgrp.id, gfp); | |
10393 | return; | |
10394 | ||
10395 | nla_put_failure: | |
10396 | genlmsg_cancel(msg, hdr); | |
10397 | nlmsg_free(msg); | |
10398 | } | |
10399 | ||
947add36 JB |
10400 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
10401 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 10402 | { |
947add36 JB |
10403 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10404 | struct wiphy *wiphy = wdev->wiphy; | |
10405 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
c063dbf5 JB |
10406 | struct sk_buff *msg; |
10407 | struct nlattr *pinfoattr; | |
10408 | void *hdr; | |
10409 | ||
947add36 JB |
10410 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
10411 | ||
58050fce | 10412 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
10413 | if (!msg) |
10414 | return; | |
10415 | ||
10416 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10417 | if (!hdr) { | |
10418 | nlmsg_free(msg); | |
10419 | return; | |
10420 | } | |
10421 | ||
9360ffd1 | 10422 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10423 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
10424 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10425 | goto nla_put_failure; | |
c063dbf5 JB |
10426 | |
10427 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10428 | if (!pinfoattr) | |
10429 | goto nla_put_failure; | |
10430 | ||
9360ffd1 DM |
10431 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
10432 | goto nla_put_failure; | |
c063dbf5 JB |
10433 | |
10434 | nla_nest_end(msg, pinfoattr); | |
10435 | ||
3b7b72ee | 10436 | genlmsg_end(msg, hdr); |
c063dbf5 JB |
10437 | |
10438 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10439 | nl80211_mlme_mcgrp.id, gfp); | |
10440 | return; | |
10441 | ||
10442 | nla_put_failure: | |
10443 | genlmsg_cancel(msg, hdr); | |
10444 | nlmsg_free(msg); | |
10445 | } | |
947add36 | 10446 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 10447 | |
7f6cf311 JB |
10448 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
10449 | u64 cookie, bool acked, gfp_t gfp) | |
10450 | { | |
10451 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10452 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10453 | struct sk_buff *msg; | |
10454 | void *hdr; | |
10455 | int err; | |
10456 | ||
4ee3e063 BL |
10457 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
10458 | ||
58050fce | 10459 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 10460 | |
7f6cf311 JB |
10461 | if (!msg) |
10462 | return; | |
10463 | ||
10464 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
10465 | if (!hdr) { | |
10466 | nlmsg_free(msg); | |
10467 | return; | |
10468 | } | |
10469 | ||
9360ffd1 DM |
10470 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10471 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10472 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
10473 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10474 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10475 | goto nla_put_failure; | |
7f6cf311 JB |
10476 | |
10477 | err = genlmsg_end(msg, hdr); | |
10478 | if (err < 0) { | |
10479 | nlmsg_free(msg); | |
10480 | return; | |
10481 | } | |
10482 | ||
10483 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10484 | nl80211_mlme_mcgrp.id, gfp); | |
10485 | return; | |
10486 | ||
10487 | nla_put_failure: | |
10488 | genlmsg_cancel(msg, hdr); | |
10489 | nlmsg_free(msg); | |
10490 | } | |
10491 | EXPORT_SYMBOL(cfg80211_probe_status); | |
10492 | ||
5e760230 JB |
10493 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
10494 | const u8 *frame, size_t len, | |
37c73b5f | 10495 | int freq, int sig_dbm) |
5e760230 JB |
10496 | { |
10497 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10498 | struct sk_buff *msg; | |
10499 | void *hdr; | |
37c73b5f | 10500 | struct cfg80211_beacon_registration *reg; |
5e760230 | 10501 | |
4ee3e063 BL |
10502 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
10503 | ||
37c73b5f BG |
10504 | spin_lock_bh(&rdev->beacon_registrations_lock); |
10505 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
10506 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
10507 | if (!msg) { | |
10508 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
10509 | return; | |
10510 | } | |
5e760230 | 10511 | |
37c73b5f BG |
10512 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
10513 | if (!hdr) | |
10514 | goto nla_put_failure; | |
5e760230 | 10515 | |
37c73b5f BG |
10516 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10517 | (freq && | |
10518 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
10519 | (sig_dbm && | |
10520 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
10521 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
10522 | goto nla_put_failure; | |
5e760230 | 10523 | |
37c73b5f | 10524 | genlmsg_end(msg, hdr); |
5e760230 | 10525 | |
37c73b5f BG |
10526 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
10527 | } | |
10528 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
10529 | return; |
10530 | ||
10531 | nla_put_failure: | |
37c73b5f BG |
10532 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
10533 | if (hdr) | |
10534 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
10535 | nlmsg_free(msg); |
10536 | } | |
10537 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
10538 | ||
cd8f7cb4 JB |
10539 | #ifdef CONFIG_PM |
10540 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
10541 | struct cfg80211_wowlan_wakeup *wakeup, | |
10542 | gfp_t gfp) | |
10543 | { | |
10544 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10545 | struct sk_buff *msg; | |
10546 | void *hdr; | |
10547 | int err, size = 200; | |
10548 | ||
10549 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
10550 | ||
10551 | if (wakeup) | |
10552 | size += wakeup->packet_present_len; | |
10553 | ||
10554 | msg = nlmsg_new(size, gfp); | |
10555 | if (!msg) | |
10556 | return; | |
10557 | ||
10558 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
10559 | if (!hdr) | |
10560 | goto free_msg; | |
10561 | ||
10562 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
10563 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
10564 | goto free_msg; | |
10565 | ||
10566 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
10567 | wdev->netdev->ifindex)) | |
10568 | goto free_msg; | |
10569 | ||
10570 | if (wakeup) { | |
10571 | struct nlattr *reasons; | |
10572 | ||
10573 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
10574 | ||
10575 | if (wakeup->disconnect && | |
10576 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
10577 | goto free_msg; | |
10578 | if (wakeup->magic_pkt && | |
10579 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
10580 | goto free_msg; | |
10581 | if (wakeup->gtk_rekey_failure && | |
10582 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
10583 | goto free_msg; | |
10584 | if (wakeup->eap_identity_req && | |
10585 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
10586 | goto free_msg; | |
10587 | if (wakeup->four_way_handshake && | |
10588 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
10589 | goto free_msg; | |
10590 | if (wakeup->rfkill_release && | |
10591 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
10592 | goto free_msg; | |
10593 | ||
10594 | if (wakeup->pattern_idx >= 0 && | |
10595 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
10596 | wakeup->pattern_idx)) | |
10597 | goto free_msg; | |
10598 | ||
2a0e047e JB |
10599 | if (wakeup->tcp_match) |
10600 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH); | |
10601 | ||
10602 | if (wakeup->tcp_connlost) | |
10603 | nla_put_flag(msg, | |
10604 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST); | |
10605 | ||
10606 | if (wakeup->tcp_nomoretokens) | |
10607 | nla_put_flag(msg, | |
10608 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS); | |
10609 | ||
cd8f7cb4 JB |
10610 | if (wakeup->packet) { |
10611 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
10612 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
10613 | ||
10614 | if (!wakeup->packet_80211) { | |
10615 | pkt_attr = | |
10616 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
10617 | len_attr = | |
10618 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
10619 | } | |
10620 | ||
10621 | if (wakeup->packet_len && | |
10622 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
10623 | goto free_msg; | |
10624 | ||
10625 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
10626 | wakeup->packet)) | |
10627 | goto free_msg; | |
10628 | } | |
10629 | ||
10630 | nla_nest_end(msg, reasons); | |
10631 | } | |
10632 | ||
10633 | err = genlmsg_end(msg, hdr); | |
10634 | if (err < 0) | |
10635 | goto free_msg; | |
10636 | ||
10637 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10638 | nl80211_mlme_mcgrp.id, gfp); | |
10639 | return; | |
10640 | ||
10641 | free_msg: | |
10642 | nlmsg_free(msg); | |
10643 | } | |
10644 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
10645 | #endif | |
10646 | ||
3475b094 JM |
10647 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
10648 | enum nl80211_tdls_operation oper, | |
10649 | u16 reason_code, gfp_t gfp) | |
10650 | { | |
10651 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10652 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10653 | struct sk_buff *msg; | |
10654 | void *hdr; | |
10655 | int err; | |
10656 | ||
10657 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
10658 | reason_code); | |
10659 | ||
10660 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10661 | if (!msg) | |
10662 | return; | |
10663 | ||
10664 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
10665 | if (!hdr) { | |
10666 | nlmsg_free(msg); | |
10667 | return; | |
10668 | } | |
10669 | ||
10670 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
10671 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10672 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
10673 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
10674 | (reason_code > 0 && | |
10675 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
10676 | goto nla_put_failure; | |
10677 | ||
10678 | err = genlmsg_end(msg, hdr); | |
10679 | if (err < 0) { | |
10680 | nlmsg_free(msg); | |
10681 | return; | |
10682 | } | |
10683 | ||
10684 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10685 | nl80211_mlme_mcgrp.id, gfp); | |
10686 | return; | |
10687 | ||
10688 | nla_put_failure: | |
10689 | genlmsg_cancel(msg, hdr); | |
10690 | nlmsg_free(msg); | |
10691 | } | |
10692 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
10693 | ||
026331c4 JM |
10694 | static int nl80211_netlink_notify(struct notifier_block * nb, |
10695 | unsigned long state, | |
10696 | void *_notify) | |
10697 | { | |
10698 | struct netlink_notify *notify = _notify; | |
10699 | struct cfg80211_registered_device *rdev; | |
10700 | struct wireless_dev *wdev; | |
37c73b5f | 10701 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
10702 | |
10703 | if (state != NETLINK_URELEASE) | |
10704 | return NOTIFY_DONE; | |
10705 | ||
10706 | rcu_read_lock(); | |
10707 | ||
5e760230 | 10708 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
89a54e48 | 10709 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) |
15e47304 | 10710 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f BG |
10711 | |
10712 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
10713 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
10714 | list) { | |
10715 | if (reg->nlportid == notify->portid) { | |
10716 | list_del(®->list); | |
10717 | kfree(reg); | |
10718 | break; | |
10719 | } | |
10720 | } | |
10721 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 10722 | } |
026331c4 JM |
10723 | |
10724 | rcu_read_unlock(); | |
10725 | ||
10726 | return NOTIFY_DONE; | |
10727 | } | |
10728 | ||
10729 | static struct notifier_block nl80211_netlink_notifier = { | |
10730 | .notifier_call = nl80211_netlink_notify, | |
10731 | }; | |
10732 | ||
355199e0 JM |
10733 | void cfg80211_ft_event(struct net_device *netdev, |
10734 | struct cfg80211_ft_event_params *ft_event) | |
10735 | { | |
10736 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
10737 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10738 | struct sk_buff *msg; | |
10739 | void *hdr; | |
10740 | int err; | |
10741 | ||
10742 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
10743 | ||
10744 | if (!ft_event->target_ap) | |
10745 | return; | |
10746 | ||
10747 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10748 | if (!msg) | |
10749 | return; | |
10750 | ||
10751 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
10752 | if (!hdr) { | |
10753 | nlmsg_free(msg); | |
10754 | return; | |
10755 | } | |
10756 | ||
10757 | nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
10758 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
10759 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap); | |
10760 | if (ft_event->ies) | |
10761 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies); | |
10762 | if (ft_event->ric_ies) | |
10763 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
10764 | ft_event->ric_ies); | |
10765 | ||
10766 | err = genlmsg_end(msg, hdr); | |
10767 | if (err < 0) { | |
10768 | nlmsg_free(msg); | |
10769 | return; | |
10770 | } | |
10771 | ||
10772 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10773 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
10774 | } | |
10775 | EXPORT_SYMBOL(cfg80211_ft_event); | |
10776 | ||
5de17984 AS |
10777 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
10778 | { | |
10779 | struct cfg80211_registered_device *rdev; | |
10780 | struct sk_buff *msg; | |
10781 | void *hdr; | |
10782 | u32 nlportid; | |
10783 | ||
10784 | rdev = wiphy_to_dev(wdev->wiphy); | |
10785 | if (!rdev->crit_proto_nlportid) | |
10786 | return; | |
10787 | ||
10788 | nlportid = rdev->crit_proto_nlportid; | |
10789 | rdev->crit_proto_nlportid = 0; | |
10790 | ||
10791 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10792 | if (!msg) | |
10793 | return; | |
10794 | ||
10795 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
10796 | if (!hdr) | |
10797 | goto nla_put_failure; | |
10798 | ||
10799 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
10800 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
10801 | goto nla_put_failure; | |
10802 | ||
10803 | genlmsg_end(msg, hdr); | |
10804 | ||
10805 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
10806 | return; | |
10807 | ||
10808 | nla_put_failure: | |
10809 | if (hdr) | |
10810 | genlmsg_cancel(msg, hdr); | |
10811 | nlmsg_free(msg); | |
10812 | ||
10813 | } | |
10814 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
10815 | ||
55682965 JB |
10816 | /* initialisation/exit functions */ |
10817 | ||
10818 | int nl80211_init(void) | |
10819 | { | |
0d63cbb5 | 10820 | int err; |
55682965 | 10821 | |
0d63cbb5 MM |
10822 | err = genl_register_family_with_ops(&nl80211_fam, |
10823 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); | |
55682965 JB |
10824 | if (err) |
10825 | return err; | |
10826 | ||
55682965 JB |
10827 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
10828 | if (err) | |
10829 | goto err_out; | |
10830 | ||
2a519311 JB |
10831 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
10832 | if (err) | |
10833 | goto err_out; | |
10834 | ||
73d54c9e LR |
10835 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
10836 | if (err) | |
10837 | goto err_out; | |
10838 | ||
6039f6d2 JM |
10839 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
10840 | if (err) | |
10841 | goto err_out; | |
10842 | ||
aff89a9b JB |
10843 | #ifdef CONFIG_NL80211_TESTMODE |
10844 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); | |
10845 | if (err) | |
10846 | goto err_out; | |
10847 | #endif | |
10848 | ||
026331c4 JM |
10849 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
10850 | if (err) | |
10851 | goto err_out; | |
10852 | ||
55682965 JB |
10853 | return 0; |
10854 | err_out: | |
10855 | genl_unregister_family(&nl80211_fam); | |
10856 | return err; | |
10857 | } | |
10858 | ||
10859 | void nl80211_exit(void) | |
10860 | { | |
026331c4 | 10861 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
10862 | genl_unregister_family(&nl80211_fam); |
10863 | } |