Commit | Line | Data |
---|---|---|
55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
55682965 JB |
5 | */ |
6 | ||
7 | #include <linux/if.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/err.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
55682965 JB |
11 | #include <linux/list.h> |
12 | #include <linux/if_ether.h> | |
13 | #include <linux/ieee80211.h> | |
14 | #include <linux/nl80211.h> | |
15 | #include <linux/rtnetlink.h> | |
16 | #include <linux/netlink.h> | |
2a519311 | 17 | #include <linux/etherdevice.h> |
463d0183 | 18 | #include <net/net_namespace.h> |
55682965 JB |
19 | #include <net/genetlink.h> |
20 | #include <net/cfg80211.h> | |
463d0183 | 21 | #include <net/sock.h> |
55682965 JB |
22 | #include "core.h" |
23 | #include "nl80211.h" | |
b2e1b302 | 24 | #include "reg.h" |
e35e4d28 | 25 | #include "rdev-ops.h" |
55682965 | 26 | |
5fb628e9 JM |
27 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
28 | struct genl_info *info, | |
29 | struct cfg80211_crypto_settings *settings, | |
30 | int cipher_limit); | |
31 | ||
4c476991 JB |
32 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, |
33 | struct genl_info *info); | |
34 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
35 | struct genl_info *info); | |
36 | ||
55682965 JB |
37 | /* the netlink family */ |
38 | static struct genl_family nl80211_fam = { | |
39 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ | |
40 | .name = "nl80211", /* have users key off the name instead */ | |
41 | .hdrsize = 0, /* no private header */ | |
42 | .version = 1, /* no particular meaning now */ | |
43 | .maxattr = NL80211_ATTR_MAX, | |
463d0183 | 44 | .netnsok = true, |
4c476991 JB |
45 | .pre_doit = nl80211_pre_doit, |
46 | .post_doit = nl80211_post_doit, | |
55682965 JB |
47 | }; |
48 | ||
89a54e48 JB |
49 | /* returns ERR_PTR values */ |
50 | static struct wireless_dev * | |
51 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 52 | { |
89a54e48 JB |
53 | struct cfg80211_registered_device *rdev; |
54 | struct wireless_dev *result = NULL; | |
55 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
56 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
57 | u64 wdev_id; | |
58 | int wiphy_idx = -1; | |
59 | int ifidx = -1; | |
55682965 | 60 | |
89a54e48 | 61 | assert_cfg80211_lock(); |
55682965 | 62 | |
89a54e48 JB |
63 | if (!have_ifidx && !have_wdev_id) |
64 | return ERR_PTR(-EINVAL); | |
55682965 | 65 | |
89a54e48 JB |
66 | if (have_ifidx) |
67 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
68 | if (have_wdev_id) { | |
69 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
70 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
71 | } |
72 | ||
89a54e48 JB |
73 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
74 | struct wireless_dev *wdev; | |
75 | ||
76 | if (wiphy_net(&rdev->wiphy) != netns) | |
77 | continue; | |
78 | ||
79 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
80 | continue; | |
81 | ||
82 | mutex_lock(&rdev->devlist_mtx); | |
83 | list_for_each_entry(wdev, &rdev->wdev_list, list) { | |
84 | if (have_ifidx && wdev->netdev && | |
85 | wdev->netdev->ifindex == ifidx) { | |
86 | result = wdev; | |
87 | break; | |
88 | } | |
89 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
90 | result = wdev; | |
91 | break; | |
92 | } | |
93 | } | |
94 | mutex_unlock(&rdev->devlist_mtx); | |
95 | ||
96 | if (result) | |
97 | break; | |
98 | } | |
99 | ||
100 | if (result) | |
101 | return result; | |
102 | return ERR_PTR(-ENODEV); | |
55682965 JB |
103 | } |
104 | ||
a9455408 | 105 | static struct cfg80211_registered_device * |
878d9ec7 | 106 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 107 | { |
7fee4778 JB |
108 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
109 | struct net_device *netdev; | |
a9455408 JB |
110 | |
111 | assert_cfg80211_lock(); | |
112 | ||
878d9ec7 | 113 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
114 | !attrs[NL80211_ATTR_IFINDEX] && |
115 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
116 | return ERR_PTR(-EINVAL); |
117 | ||
878d9ec7 | 118 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 119 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 120 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 121 | |
89a54e48 JB |
122 | if (attrs[NL80211_ATTR_WDEV]) { |
123 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
124 | struct wireless_dev *wdev; | |
125 | bool found = false; | |
126 | ||
127 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
128 | if (tmp) { | |
129 | /* make sure wdev exists */ | |
130 | mutex_lock(&tmp->devlist_mtx); | |
131 | list_for_each_entry(wdev, &tmp->wdev_list, list) { | |
132 | if (wdev->identifier != (u32)wdev_id) | |
133 | continue; | |
134 | found = true; | |
135 | break; | |
136 | } | |
137 | mutex_unlock(&tmp->devlist_mtx); | |
138 | ||
139 | if (!found) | |
140 | tmp = NULL; | |
141 | ||
142 | if (rdev && tmp != rdev) | |
143 | return ERR_PTR(-EINVAL); | |
144 | rdev = tmp; | |
145 | } | |
146 | } | |
147 | ||
878d9ec7 JB |
148 | if (attrs[NL80211_ATTR_IFINDEX]) { |
149 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
4f7eff10 | 150 | netdev = dev_get_by_index(netns, ifindex); |
7fee4778 JB |
151 | if (netdev) { |
152 | if (netdev->ieee80211_ptr) | |
153 | tmp = wiphy_to_dev( | |
154 | netdev->ieee80211_ptr->wiphy); | |
155 | else | |
156 | tmp = NULL; | |
157 | ||
158 | dev_put(netdev); | |
159 | ||
160 | /* not wireless device -- return error */ | |
161 | if (!tmp) | |
162 | return ERR_PTR(-EINVAL); | |
163 | ||
164 | /* mismatch -- return error */ | |
165 | if (rdev && tmp != rdev) | |
166 | return ERR_PTR(-EINVAL); | |
167 | ||
168 | rdev = tmp; | |
a9455408 | 169 | } |
a9455408 | 170 | } |
a9455408 | 171 | |
4f7eff10 JB |
172 | if (!rdev) |
173 | return ERR_PTR(-ENODEV); | |
a9455408 | 174 | |
4f7eff10 JB |
175 | if (netns != wiphy_net(&rdev->wiphy)) |
176 | return ERR_PTR(-ENODEV); | |
177 | ||
178 | return rdev; | |
a9455408 JB |
179 | } |
180 | ||
181 | /* | |
182 | * This function returns a pointer to the driver | |
183 | * that the genl_info item that is passed refers to. | |
184 | * If successful, it returns non-NULL and also locks | |
185 | * the driver's mutex! | |
186 | * | |
187 | * This means that you need to call cfg80211_unlock_rdev() | |
188 | * before being allowed to acquire &cfg80211_mutex! | |
189 | * | |
190 | * This is necessary because we need to lock the global | |
191 | * mutex to get an item off the list safely, and then | |
192 | * we lock the rdev mutex so it doesn't go away under us. | |
193 | * | |
194 | * We don't want to keep cfg80211_mutex locked | |
195 | * for all the time in order to allow requests on | |
196 | * other interfaces to go through at the same time. | |
197 | * | |
198 | * The result of this can be a PTR_ERR and hence must | |
199 | * be checked with IS_ERR() for errors. | |
200 | */ | |
201 | static struct cfg80211_registered_device * | |
4f7eff10 | 202 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 JB |
203 | { |
204 | struct cfg80211_registered_device *rdev; | |
205 | ||
206 | mutex_lock(&cfg80211_mutex); | |
878d9ec7 | 207 | rdev = __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
208 | |
209 | /* if it is not an error we grab the lock on | |
210 | * it to assure it won't be going away while | |
211 | * we operate on it */ | |
212 | if (!IS_ERR(rdev)) | |
213 | mutex_lock(&rdev->mtx); | |
214 | ||
215 | mutex_unlock(&cfg80211_mutex); | |
216 | ||
217 | return rdev; | |
218 | } | |
219 | ||
55682965 | 220 | /* policy for the attributes */ |
b54452b0 | 221 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
222 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
223 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 224 | .len = 20-1 }, |
31888487 | 225 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 226 | |
72bdcf34 | 227 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 228 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
229 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
230 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
231 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
232 | ||
b9a5f8ca JM |
233 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
234 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
235 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
236 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 237 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
238 | |
239 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
240 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
241 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 242 | |
e007b857 EP |
243 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
244 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 245 | |
b9454e83 | 246 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
247 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
248 | .len = WLAN_MAX_KEY_LEN }, | |
249 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
250 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
251 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 252 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 253 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
254 | |
255 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
256 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
257 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
258 | .len = IEEE80211_MAX_DATA_LEN }, | |
259 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
260 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
261 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
262 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
263 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
264 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
265 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 266 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 267 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 268 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 269 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 270 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 271 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 272 | |
b2e1b302 LR |
273 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
274 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
275 | ||
9f1ba906 JM |
276 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
277 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
278 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
279 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
280 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 281 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 282 | |
24bdd9f4 | 283 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 284 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 285 | |
6c739419 | 286 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
287 | |
288 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
289 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
290 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
291 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
292 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
293 | |
294 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
295 | .len = IEEE80211_MAX_SSID_LEN }, | |
296 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
297 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 298 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 299 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 300 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
301 | [NL80211_ATTR_STA_FLAGS2] = { |
302 | .len = sizeof(struct nl80211_sta_flag_update), | |
303 | }, | |
3f77316c | 304 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
305 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
306 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
307 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
308 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
309 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 310 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 311 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
312 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
313 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
314 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
315 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 316 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
317 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
318 | .len = IEEE80211_MAX_DATA_LEN }, | |
319 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 320 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 321 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 322 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 323 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
324 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
325 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 326 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
327 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
328 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 329 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 330 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 331 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 332 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 333 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 334 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 335 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 336 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 337 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
338 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
339 | .len = IEEE80211_MAX_DATA_LEN }, | |
340 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
341 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 342 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 343 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 344 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
345 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
346 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
347 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
348 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
349 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
e247bd90 | 350 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
351 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
352 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 353 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
354 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
355 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
356 | .len = NL80211_HT_CAPABILITY_LEN | |
357 | }, | |
1d9d9213 | 358 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 359 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 360 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 361 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 362 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 363 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 364 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 365 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
366 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
367 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
368 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
369 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
55682965 JB |
370 | }; |
371 | ||
e31b8213 | 372 | /* policy for the key attributes */ |
b54452b0 | 373 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 374 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
375 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
376 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 377 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
378 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
379 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 380 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
381 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
382 | }; | |
383 | ||
384 | /* policy for the key default flags */ | |
385 | static const struct nla_policy | |
386 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
387 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
388 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
389 | }; |
390 | ||
ff1b6e69 JB |
391 | /* policy for WoWLAN attributes */ |
392 | static const struct nla_policy | |
393 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
394 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
395 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
396 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
397 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
398 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
399 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
400 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
401 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
ff1b6e69 JB |
402 | }; |
403 | ||
e5497d76 JB |
404 | /* policy for GTK rekey offload attributes */ |
405 | static const struct nla_policy | |
406 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
407 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
408 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
409 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
410 | }; | |
411 | ||
a1f1c21c LC |
412 | static const struct nla_policy |
413 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 414 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 415 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 416 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
417 | }; |
418 | ||
a043897a HS |
419 | /* ifidx get helper */ |
420 | static int nl80211_get_ifidx(struct netlink_callback *cb) | |
421 | { | |
422 | int res; | |
423 | ||
424 | res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
425 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
426 | nl80211_policy); | |
427 | if (res) | |
428 | return res; | |
429 | ||
430 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) | |
431 | return -EINVAL; | |
432 | ||
433 | res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); | |
434 | if (!res) | |
435 | return -EINVAL; | |
436 | return res; | |
437 | } | |
438 | ||
67748893 JB |
439 | static int nl80211_prepare_netdev_dump(struct sk_buff *skb, |
440 | struct netlink_callback *cb, | |
441 | struct cfg80211_registered_device **rdev, | |
442 | struct net_device **dev) | |
443 | { | |
444 | int ifidx = cb->args[0]; | |
445 | int err; | |
446 | ||
447 | if (!ifidx) | |
448 | ifidx = nl80211_get_ifidx(cb); | |
449 | if (ifidx < 0) | |
450 | return ifidx; | |
451 | ||
452 | cb->args[0] = ifidx; | |
453 | ||
454 | rtnl_lock(); | |
455 | ||
456 | *dev = __dev_get_by_index(sock_net(skb->sk), ifidx); | |
457 | if (!*dev) { | |
458 | err = -ENODEV; | |
459 | goto out_rtnl; | |
460 | } | |
461 | ||
462 | *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); | |
3cc25e51 FF |
463 | if (IS_ERR(*rdev)) { |
464 | err = PTR_ERR(*rdev); | |
67748893 JB |
465 | goto out_rtnl; |
466 | } | |
467 | ||
468 | return 0; | |
469 | out_rtnl: | |
470 | rtnl_unlock(); | |
471 | return err; | |
472 | } | |
473 | ||
474 | static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev) | |
475 | { | |
476 | cfg80211_unlock_rdev(rdev); | |
477 | rtnl_unlock(); | |
478 | } | |
479 | ||
f4a11bb0 JB |
480 | /* IE validation */ |
481 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
482 | { | |
483 | const u8 *pos; | |
484 | int len; | |
485 | ||
486 | if (!attr) | |
487 | return true; | |
488 | ||
489 | pos = nla_data(attr); | |
490 | len = nla_len(attr); | |
491 | ||
492 | while (len) { | |
493 | u8 elemlen; | |
494 | ||
495 | if (len < 2) | |
496 | return false; | |
497 | len -= 2; | |
498 | ||
499 | elemlen = pos[1]; | |
500 | if (elemlen > len) | |
501 | return false; | |
502 | ||
503 | len -= elemlen; | |
504 | pos += 2 + elemlen; | |
505 | } | |
506 | ||
507 | return true; | |
508 | } | |
509 | ||
55682965 | 510 | /* message building helper */ |
15e47304 | 511 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
512 | int flags, u8 cmd) |
513 | { | |
514 | /* since there is no private header just add the generic one */ | |
15e47304 | 515 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
516 | } |
517 | ||
5dab3b8a LR |
518 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
519 | struct ieee80211_channel *chan) | |
520 | { | |
9360ffd1 DM |
521 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
522 | chan->center_freq)) | |
523 | goto nla_put_failure; | |
5dab3b8a | 524 | |
9360ffd1 DM |
525 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
526 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
527 | goto nla_put_failure; | |
528 | if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) && | |
529 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN)) | |
530 | goto nla_put_failure; | |
531 | if ((chan->flags & IEEE80211_CHAN_NO_IBSS) && | |
532 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
533 | goto nla_put_failure; | |
534 | if ((chan->flags & IEEE80211_CHAN_RADAR) && | |
535 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
536 | goto nla_put_failure; | |
5dab3b8a | 537 | |
9360ffd1 DM |
538 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
539 | DBM_TO_MBM(chan->max_power))) | |
540 | goto nla_put_failure; | |
5dab3b8a LR |
541 | |
542 | return 0; | |
543 | ||
544 | nla_put_failure: | |
545 | return -ENOBUFS; | |
546 | } | |
547 | ||
55682965 JB |
548 | /* netlink command implementations */ |
549 | ||
b9454e83 JB |
550 | struct key_parse { |
551 | struct key_params p; | |
552 | int idx; | |
e31b8213 | 553 | int type; |
b9454e83 | 554 | bool def, defmgmt; |
dbd2fd65 | 555 | bool def_uni, def_multi; |
b9454e83 JB |
556 | }; |
557 | ||
558 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
559 | { | |
560 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
561 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
562 | nl80211_key_policy); | |
563 | if (err) | |
564 | return err; | |
565 | ||
566 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
567 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
568 | ||
dbd2fd65 JB |
569 | if (k->def) { |
570 | k->def_uni = true; | |
571 | k->def_multi = true; | |
572 | } | |
573 | if (k->defmgmt) | |
574 | k->def_multi = true; | |
575 | ||
b9454e83 JB |
576 | if (tb[NL80211_KEY_IDX]) |
577 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
578 | ||
579 | if (tb[NL80211_KEY_DATA]) { | |
580 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
581 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
582 | } | |
583 | ||
584 | if (tb[NL80211_KEY_SEQ]) { | |
585 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
586 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
587 | } | |
588 | ||
589 | if (tb[NL80211_KEY_CIPHER]) | |
590 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
591 | ||
e31b8213 JB |
592 | if (tb[NL80211_KEY_TYPE]) { |
593 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
594 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
595 | return -EINVAL; | |
596 | } | |
597 | ||
dbd2fd65 JB |
598 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
599 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
600 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
601 | tb[NL80211_KEY_DEFAULT_TYPES], | |
602 | nl80211_key_default_policy); | |
dbd2fd65 JB |
603 | if (err) |
604 | return err; | |
605 | ||
606 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
607 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
608 | } | |
609 | ||
b9454e83 JB |
610 | return 0; |
611 | } | |
612 | ||
613 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
614 | { | |
615 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
616 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
617 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
618 | } | |
619 | ||
620 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
621 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
622 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
623 | } | |
624 | ||
625 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
626 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
627 | ||
628 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
629 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
630 | ||
631 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
632 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
633 | ||
dbd2fd65 JB |
634 | if (k->def) { |
635 | k->def_uni = true; | |
636 | k->def_multi = true; | |
637 | } | |
638 | if (k->defmgmt) | |
639 | k->def_multi = true; | |
640 | ||
e31b8213 JB |
641 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
642 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
643 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
644 | return -EINVAL; | |
645 | } | |
646 | ||
dbd2fd65 JB |
647 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
648 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
649 | int err = nla_parse_nested( | |
650 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
651 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
652 | nl80211_key_default_policy); | |
653 | if (err) | |
654 | return err; | |
655 | ||
656 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
657 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
658 | } | |
659 | ||
b9454e83 JB |
660 | return 0; |
661 | } | |
662 | ||
663 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
664 | { | |
665 | int err; | |
666 | ||
667 | memset(k, 0, sizeof(*k)); | |
668 | k->idx = -1; | |
e31b8213 | 669 | k->type = -1; |
b9454e83 JB |
670 | |
671 | if (info->attrs[NL80211_ATTR_KEY]) | |
672 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
673 | else | |
674 | err = nl80211_parse_key_old(info, k); | |
675 | ||
676 | if (err) | |
677 | return err; | |
678 | ||
679 | if (k->def && k->defmgmt) | |
680 | return -EINVAL; | |
681 | ||
dbd2fd65 JB |
682 | if (k->defmgmt) { |
683 | if (k->def_uni || !k->def_multi) | |
684 | return -EINVAL; | |
685 | } | |
686 | ||
b9454e83 JB |
687 | if (k->idx != -1) { |
688 | if (k->defmgmt) { | |
689 | if (k->idx < 4 || k->idx > 5) | |
690 | return -EINVAL; | |
691 | } else if (k->def) { | |
692 | if (k->idx < 0 || k->idx > 3) | |
693 | return -EINVAL; | |
694 | } else { | |
695 | if (k->idx < 0 || k->idx > 5) | |
696 | return -EINVAL; | |
697 | } | |
698 | } | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
fffd0934 JB |
703 | static struct cfg80211_cached_keys * |
704 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 705 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
706 | { |
707 | struct key_parse parse; | |
708 | struct nlattr *key; | |
709 | struct cfg80211_cached_keys *result; | |
710 | int rem, err, def = 0; | |
711 | ||
712 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
713 | if (!result) | |
714 | return ERR_PTR(-ENOMEM); | |
715 | ||
716 | result->def = -1; | |
717 | result->defmgmt = -1; | |
718 | ||
719 | nla_for_each_nested(key, keys, rem) { | |
720 | memset(&parse, 0, sizeof(parse)); | |
721 | parse.idx = -1; | |
722 | ||
723 | err = nl80211_parse_key_new(key, &parse); | |
724 | if (err) | |
725 | goto error; | |
726 | err = -EINVAL; | |
727 | if (!parse.p.key) | |
728 | goto error; | |
729 | if (parse.idx < 0 || parse.idx > 4) | |
730 | goto error; | |
731 | if (parse.def) { | |
732 | if (def) | |
733 | goto error; | |
734 | def = 1; | |
735 | result->def = parse.idx; | |
dbd2fd65 JB |
736 | if (!parse.def_uni || !parse.def_multi) |
737 | goto error; | |
fffd0934 JB |
738 | } else if (parse.defmgmt) |
739 | goto error; | |
740 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 741 | parse.idx, false, NULL); |
fffd0934 JB |
742 | if (err) |
743 | goto error; | |
744 | result->params[parse.idx].cipher = parse.p.cipher; | |
745 | result->params[parse.idx].key_len = parse.p.key_len; | |
746 | result->params[parse.idx].key = result->data[parse.idx]; | |
747 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
748 | |
749 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
750 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
751 | if (no_ht) | |
752 | *no_ht = true; | |
753 | } | |
fffd0934 JB |
754 | } |
755 | ||
756 | return result; | |
757 | error: | |
758 | kfree(result); | |
759 | return ERR_PTR(err); | |
760 | } | |
761 | ||
762 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
763 | { | |
764 | ASSERT_WDEV_LOCK(wdev); | |
765 | ||
fffd0934 JB |
766 | switch (wdev->iftype) { |
767 | case NL80211_IFTYPE_AP: | |
768 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 769 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 770 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
771 | break; |
772 | case NL80211_IFTYPE_ADHOC: | |
773 | if (!wdev->current_bss) | |
774 | return -ENOLINK; | |
775 | break; | |
776 | case NL80211_IFTYPE_STATION: | |
074ac8df | 777 | case NL80211_IFTYPE_P2P_CLIENT: |
fffd0934 JB |
778 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
779 | return -ENOLINK; | |
780 | break; | |
781 | default: | |
782 | return -EINVAL; | |
783 | } | |
784 | ||
785 | return 0; | |
786 | } | |
787 | ||
7527a782 JB |
788 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
789 | { | |
790 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
791 | int i; | |
792 | ||
793 | if (!nl_modes) | |
794 | goto nla_put_failure; | |
795 | ||
796 | i = 0; | |
797 | while (ifmodes) { | |
9360ffd1 DM |
798 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
799 | goto nla_put_failure; | |
7527a782 JB |
800 | ifmodes >>= 1; |
801 | i++; | |
802 | } | |
803 | ||
804 | nla_nest_end(msg, nl_modes); | |
805 | return 0; | |
806 | ||
807 | nla_put_failure: | |
808 | return -ENOBUFS; | |
809 | } | |
810 | ||
811 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
812 | struct sk_buff *msg) | |
813 | { | |
814 | struct nlattr *nl_combis; | |
815 | int i, j; | |
816 | ||
817 | nl_combis = nla_nest_start(msg, | |
818 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
819 | if (!nl_combis) | |
820 | goto nla_put_failure; | |
821 | ||
822 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
823 | const struct ieee80211_iface_combination *c; | |
824 | struct nlattr *nl_combi, *nl_limits; | |
825 | ||
826 | c = &wiphy->iface_combinations[i]; | |
827 | ||
828 | nl_combi = nla_nest_start(msg, i + 1); | |
829 | if (!nl_combi) | |
830 | goto nla_put_failure; | |
831 | ||
832 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
833 | if (!nl_limits) | |
834 | goto nla_put_failure; | |
835 | ||
836 | for (j = 0; j < c->n_limits; j++) { | |
837 | struct nlattr *nl_limit; | |
838 | ||
839 | nl_limit = nla_nest_start(msg, j + 1); | |
840 | if (!nl_limit) | |
841 | goto nla_put_failure; | |
9360ffd1 DM |
842 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
843 | c->limits[j].max)) | |
844 | goto nla_put_failure; | |
7527a782 JB |
845 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
846 | c->limits[j].types)) | |
847 | goto nla_put_failure; | |
848 | nla_nest_end(msg, nl_limit); | |
849 | } | |
850 | ||
851 | nla_nest_end(msg, nl_limits); | |
852 | ||
9360ffd1 DM |
853 | if (c->beacon_int_infra_match && |
854 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
855 | goto nla_put_failure; | |
856 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
857 | c->num_different_channels) || | |
858 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
859 | c->max_interfaces)) | |
860 | goto nla_put_failure; | |
11c4a075 SW |
861 | if (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
862 | c->radar_detect_widths)) | |
863 | goto nla_put_failure; | |
7527a782 JB |
864 | |
865 | nla_nest_end(msg, nl_combi); | |
866 | } | |
867 | ||
868 | nla_nest_end(msg, nl_combis); | |
869 | ||
870 | return 0; | |
871 | nla_put_failure: | |
872 | return -ENOBUFS; | |
873 | } | |
874 | ||
15e47304 | 875 | static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
55682965 JB |
876 | struct cfg80211_registered_device *dev) |
877 | { | |
878 | void *hdr; | |
ee688b00 JB |
879 | struct nlattr *nl_bands, *nl_band; |
880 | struct nlattr *nl_freqs, *nl_freq; | |
881 | struct nlattr *nl_rates, *nl_rate; | |
8fdc621d | 882 | struct nlattr *nl_cmds; |
ee688b00 JB |
883 | enum ieee80211_band band; |
884 | struct ieee80211_channel *chan; | |
885 | struct ieee80211_rate *rate; | |
886 | int i; | |
2e161f78 JB |
887 | const struct ieee80211_txrx_stypes *mgmt_stypes = |
888 | dev->wiphy.mgmt_stypes; | |
55682965 | 889 | |
15e47304 | 890 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); |
55682965 JB |
891 | if (!hdr) |
892 | return -1; | |
893 | ||
9360ffd1 DM |
894 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) || |
895 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)) || | |
896 | nla_put_u32(msg, NL80211_ATTR_GENERATION, | |
897 | cfg80211_rdev_list_generation) || | |
898 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
899 | dev->wiphy.retry_short) || | |
900 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
901 | dev->wiphy.retry_long) || | |
902 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
903 | dev->wiphy.frag_threshold) || | |
904 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
905 | dev->wiphy.rts_threshold) || | |
906 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, | |
907 | dev->wiphy.coverage_class) || | |
908 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, | |
909 | dev->wiphy.max_scan_ssids) || | |
910 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, | |
911 | dev->wiphy.max_sched_scan_ssids) || | |
912 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, | |
913 | dev->wiphy.max_scan_ie_len) || | |
914 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, | |
915 | dev->wiphy.max_sched_scan_ie_len) || | |
916 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, | |
917 | dev->wiphy.max_match_sets)) | |
918 | goto nla_put_failure; | |
919 | ||
920 | if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && | |
921 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) | |
922 | goto nla_put_failure; | |
923 | if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && | |
924 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) | |
925 | goto nla_put_failure; | |
926 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
927 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) | |
928 | goto nla_put_failure; | |
929 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && | |
930 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) | |
931 | goto nla_put_failure; | |
932 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && | |
933 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) | |
934 | goto nla_put_failure; | |
935 | if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && | |
936 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) | |
937 | goto nla_put_failure; | |
938 | ||
939 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
940 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
941 | dev->wiphy.cipher_suites)) | |
942 | goto nla_put_failure; | |
943 | ||
944 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, | |
945 | dev->wiphy.max_num_pmkids)) | |
946 | goto nla_put_failure; | |
947 | ||
948 | if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
949 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) | |
950 | goto nla_put_failure; | |
951 | ||
952 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, | |
953 | dev->wiphy.available_antennas_tx) || | |
954 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
955 | dev->wiphy.available_antennas_rx)) | |
956 | goto nla_put_failure; | |
957 | ||
958 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && | |
959 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
960 | dev->wiphy.probe_resp_offload)) | |
961 | goto nla_put_failure; | |
87bbbe22 | 962 | |
7f531e03 BR |
963 | if ((dev->wiphy.available_antennas_tx || |
964 | dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { | |
afe0cbf8 BR |
965 | u32 tx_ant = 0, rx_ant = 0; |
966 | int res; | |
e35e4d28 | 967 | res = rdev_get_antenna(dev, &tx_ant, &rx_ant); |
afe0cbf8 | 968 | if (!res) { |
9360ffd1 DM |
969 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, |
970 | tx_ant) || | |
971 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, | |
972 | rx_ant)) | |
973 | goto nla_put_failure; | |
afe0cbf8 BR |
974 | } |
975 | } | |
976 | ||
7527a782 JB |
977 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, |
978 | dev->wiphy.interface_modes)) | |
f59ac048 LR |
979 | goto nla_put_failure; |
980 | ||
ee688b00 JB |
981 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); |
982 | if (!nl_bands) | |
983 | goto nla_put_failure; | |
984 | ||
985 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
986 | if (!dev->wiphy.bands[band]) | |
987 | continue; | |
988 | ||
989 | nl_band = nla_nest_start(msg, band); | |
990 | if (!nl_band) | |
991 | goto nla_put_failure; | |
992 | ||
d51626df | 993 | /* add HT info */ |
9360ffd1 DM |
994 | if (dev->wiphy.bands[band]->ht_cap.ht_supported && |
995 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
996 | sizeof(dev->wiphy.bands[band]->ht_cap.mcs), | |
997 | &dev->wiphy.bands[band]->ht_cap.mcs) || | |
998 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
999 | dev->wiphy.bands[band]->ht_cap.cap) || | |
1000 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1001 | dev->wiphy.bands[band]->ht_cap.ampdu_factor) || | |
1002 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1003 | dev->wiphy.bands[band]->ht_cap.ampdu_density))) | |
1004 | goto nla_put_failure; | |
d51626df | 1005 | |
bf0c111e MP |
1006 | /* add VHT info */ |
1007 | if (dev->wiphy.bands[band]->vht_cap.vht_supported && | |
1008 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1009 | sizeof(dev->wiphy.bands[band]->vht_cap.vht_mcs), | |
1010 | &dev->wiphy.bands[band]->vht_cap.vht_mcs) || | |
1011 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1012 | dev->wiphy.bands[band]->vht_cap.cap))) | |
1013 | goto nla_put_failure; | |
1014 | ||
ee688b00 JB |
1015 | /* add frequencies */ |
1016 | nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); | |
1017 | if (!nl_freqs) | |
1018 | goto nla_put_failure; | |
1019 | ||
1020 | for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { | |
1021 | nl_freq = nla_nest_start(msg, i); | |
1022 | if (!nl_freq) | |
1023 | goto nla_put_failure; | |
1024 | ||
1025 | chan = &dev->wiphy.bands[band]->channels[i]; | |
5dab3b8a LR |
1026 | |
1027 | if (nl80211_msg_put_channel(msg, chan)) | |
1028 | goto nla_put_failure; | |
e2f367f2 | 1029 | |
ee688b00 JB |
1030 | nla_nest_end(msg, nl_freq); |
1031 | } | |
1032 | ||
1033 | nla_nest_end(msg, nl_freqs); | |
1034 | ||
1035 | /* add bitrates */ | |
1036 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1037 | if (!nl_rates) | |
1038 | goto nla_put_failure; | |
1039 | ||
1040 | for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { | |
1041 | nl_rate = nla_nest_start(msg, i); | |
1042 | if (!nl_rate) | |
1043 | goto nla_put_failure; | |
1044 | ||
1045 | rate = &dev->wiphy.bands[band]->bitrates[i]; | |
9360ffd1 DM |
1046 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, |
1047 | rate->bitrate)) | |
1048 | goto nla_put_failure; | |
1049 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1050 | nla_put_flag(msg, | |
1051 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1052 | goto nla_put_failure; | |
ee688b00 JB |
1053 | |
1054 | nla_nest_end(msg, nl_rate); | |
1055 | } | |
1056 | ||
1057 | nla_nest_end(msg, nl_rates); | |
1058 | ||
1059 | nla_nest_end(msg, nl_band); | |
1060 | } | |
1061 | nla_nest_end(msg, nl_bands); | |
1062 | ||
8fdc621d JB |
1063 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); |
1064 | if (!nl_cmds) | |
1065 | goto nla_put_failure; | |
1066 | ||
1067 | i = 0; | |
1068 | #define CMD(op, n) \ | |
1069 | do { \ | |
1070 | if (dev->ops->op) { \ | |
1071 | i++; \ | |
9360ffd1 DM |
1072 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ |
1073 | goto nla_put_failure; \ | |
8fdc621d JB |
1074 | } \ |
1075 | } while (0) | |
1076 | ||
1077 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1078 | CMD(change_virtual_intf, SET_INTERFACE); | |
1079 | CMD(add_key, NEW_KEY); | |
8860020e | 1080 | CMD(start_ap, START_AP); |
8fdc621d JB |
1081 | CMD(add_station, NEW_STATION); |
1082 | CMD(add_mpath, NEW_MPATH); | |
24bdd9f4 | 1083 | CMD(update_mesh_config, SET_MESH_CONFIG); |
8fdc621d | 1084 | CMD(change_bss, SET_BSS); |
636a5d36 JM |
1085 | CMD(auth, AUTHENTICATE); |
1086 | CMD(assoc, ASSOCIATE); | |
1087 | CMD(deauth, DEAUTHENTICATE); | |
1088 | CMD(disassoc, DISASSOCIATE); | |
04a773ad | 1089 | CMD(join_ibss, JOIN_IBSS); |
29cbe68c | 1090 | CMD(join_mesh, JOIN_MESH); |
67fbb16b SO |
1091 | CMD(set_pmksa, SET_PMKSA); |
1092 | CMD(del_pmksa, DEL_PMKSA); | |
1093 | CMD(flush_pmksa, FLUSH_PMKSA); | |
7c4ef712 JB |
1094 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
1095 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
13ae75b1 | 1096 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); |
2e161f78 | 1097 | CMD(mgmt_tx, FRAME); |
f7ca38df | 1098 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); |
5be83de5 | 1099 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
463d0183 | 1100 | i++; |
9360ffd1 DM |
1101 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) |
1102 | goto nla_put_failure; | |
463d0183 | 1103 | } |
e8c9bd5b | 1104 | if (dev->ops->set_monitor_channel || dev->ops->start_ap || |
cc1d2806 | 1105 | dev->ops->join_mesh) { |
aa430da4 JB |
1106 | i++; |
1107 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1108 | goto nla_put_failure; | |
1109 | } | |
e8347eba | 1110 | CMD(set_wds_peer, SET_WDS_PEER); |
109086ce AN |
1111 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
1112 | CMD(tdls_mgmt, TDLS_MGMT); | |
1113 | CMD(tdls_oper, TDLS_OPER); | |
1114 | } | |
807f8a8c LC |
1115 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
1116 | CMD(sched_scan_start, START_SCHED_SCAN); | |
7f6cf311 | 1117 | CMD(probe_client, PROBE_CLIENT); |
1d9d9213 | 1118 | CMD(set_noack_map, SET_NOACK_MAP); |
5e760230 JB |
1119 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
1120 | i++; | |
9360ffd1 DM |
1121 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) |
1122 | goto nla_put_failure; | |
5e760230 | 1123 | } |
98104fde | 1124 | CMD(start_p2p_device, START_P2P_DEVICE); |
f4e583c8 | 1125 | CMD(set_mcast_rate, SET_MCAST_RATE); |
8fdc621d | 1126 | |
4745fc09 KV |
1127 | #ifdef CONFIG_NL80211_TESTMODE |
1128 | CMD(testmode_cmd, TESTMODE); | |
1129 | #endif | |
1130 | ||
8fdc621d | 1131 | #undef CMD |
b23aa676 | 1132 | |
6829c878 | 1133 | if (dev->ops->connect || dev->ops->auth) { |
b23aa676 | 1134 | i++; |
9360ffd1 DM |
1135 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) |
1136 | goto nla_put_failure; | |
b23aa676 SO |
1137 | } |
1138 | ||
6829c878 | 1139 | if (dev->ops->disconnect || dev->ops->deauth) { |
b23aa676 | 1140 | i++; |
9360ffd1 DM |
1141 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) |
1142 | goto nla_put_failure; | |
b23aa676 SO |
1143 | } |
1144 | ||
8fdc621d JB |
1145 | nla_nest_end(msg, nl_cmds); |
1146 | ||
7c4ef712 | 1147 | if (dev->ops->remain_on_channel && |
9360ffd1 DM |
1148 | (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && |
1149 | nla_put_u32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1150 | dev->wiphy.max_remain_on_channel_duration)) | |
1151 | goto nla_put_failure; | |
a293911d | 1152 | |
9360ffd1 DM |
1153 | if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
1154 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) | |
1155 | goto nla_put_failure; | |
f7ca38df | 1156 | |
2e161f78 JB |
1157 | if (mgmt_stypes) { |
1158 | u16 stypes; | |
1159 | struct nlattr *nl_ftypes, *nl_ifs; | |
1160 | enum nl80211_iftype ift; | |
1161 | ||
1162 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); | |
1163 | if (!nl_ifs) | |
1164 | goto nla_put_failure; | |
1165 | ||
1166 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
1167 | nl_ftypes = nla_nest_start(msg, ift); | |
1168 | if (!nl_ftypes) | |
1169 | goto nla_put_failure; | |
1170 | i = 0; | |
1171 | stypes = mgmt_stypes[ift].tx; | |
1172 | while (stypes) { | |
9360ffd1 DM |
1173 | if ((stypes & 1) && |
1174 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1175 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1176 | goto nla_put_failure; | |
2e161f78 JB |
1177 | stypes >>= 1; |
1178 | i++; | |
1179 | } | |
1180 | nla_nest_end(msg, nl_ftypes); | |
1181 | } | |
1182 | ||
74b70a4e JB |
1183 | nla_nest_end(msg, nl_ifs); |
1184 | ||
2e161f78 JB |
1185 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1186 | if (!nl_ifs) | |
1187 | goto nla_put_failure; | |
1188 | ||
1189 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { | |
1190 | nl_ftypes = nla_nest_start(msg, ift); | |
1191 | if (!nl_ftypes) | |
1192 | goto nla_put_failure; | |
1193 | i = 0; | |
1194 | stypes = mgmt_stypes[ift].rx; | |
1195 | while (stypes) { | |
9360ffd1 DM |
1196 | if ((stypes & 1) && |
1197 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1198 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1199 | goto nla_put_failure; | |
2e161f78 JB |
1200 | stypes >>= 1; |
1201 | i++; | |
1202 | } | |
1203 | nla_nest_end(msg, nl_ftypes); | |
1204 | } | |
1205 | nla_nest_end(msg, nl_ifs); | |
1206 | } | |
1207 | ||
dfb89c56 | 1208 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1209 | if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) { |
1210 | struct nlattr *nl_wowlan; | |
1211 | ||
1212 | nl_wowlan = nla_nest_start(msg, | |
1213 | NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); | |
1214 | if (!nl_wowlan) | |
1215 | goto nla_put_failure; | |
1216 | ||
9360ffd1 DM |
1217 | if (((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) && |
1218 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || | |
1219 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) && | |
1220 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || | |
1221 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) && | |
1222 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || | |
1223 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && | |
1224 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || | |
1225 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && | |
1226 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || | |
1227 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && | |
1228 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || | |
1229 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && | |
1230 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || | |
1231 | ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) && | |
1232 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) | |
1233 | goto nla_put_failure; | |
ff1b6e69 JB |
1234 | if (dev->wiphy.wowlan.n_patterns) { |
1235 | struct nl80211_wowlan_pattern_support pat = { | |
1236 | .max_patterns = dev->wiphy.wowlan.n_patterns, | |
1237 | .min_pattern_len = | |
1238 | dev->wiphy.wowlan.pattern_min_len, | |
1239 | .max_pattern_len = | |
1240 | dev->wiphy.wowlan.pattern_max_len, | |
1241 | }; | |
9360ffd1 DM |
1242 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1243 | sizeof(pat), &pat)) | |
1244 | goto nla_put_failure; | |
ff1b6e69 JB |
1245 | } |
1246 | ||
1247 | nla_nest_end(msg, nl_wowlan); | |
1248 | } | |
dfb89c56 | 1249 | #endif |
ff1b6e69 | 1250 | |
7527a782 JB |
1251 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, |
1252 | dev->wiphy.software_iftypes)) | |
1253 | goto nla_put_failure; | |
1254 | ||
1255 | if (nl80211_put_iface_combinations(&dev->wiphy, msg)) | |
1256 | goto nla_put_failure; | |
1257 | ||
9360ffd1 DM |
1258 | if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
1259 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1260 | dev->wiphy.ap_sme_capa)) | |
1261 | goto nla_put_failure; | |
562a7480 | 1262 | |
9360ffd1 DM |
1263 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, |
1264 | dev->wiphy.features)) | |
1265 | goto nla_put_failure; | |
1f074bd8 | 1266 | |
9360ffd1 DM |
1267 | if (dev->wiphy.ht_capa_mod_mask && |
1268 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1269 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1270 | dev->wiphy.ht_capa_mod_mask)) | |
1271 | goto nla_put_failure; | |
7e7c8926 | 1272 | |
77765eaf VT |
1273 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1274 | dev->wiphy.max_acl_mac_addrs && | |
1275 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, | |
1276 | dev->wiphy.max_acl_mac_addrs)) | |
1277 | goto nla_put_failure; | |
1278 | ||
55682965 JB |
1279 | return genlmsg_end(msg, hdr); |
1280 | ||
1281 | nla_put_failure: | |
bc3ed28c TG |
1282 | genlmsg_cancel(msg, hdr); |
1283 | return -EMSGSIZE; | |
55682965 JB |
1284 | } |
1285 | ||
1286 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) | |
1287 | { | |
1288 | int idx = 0; | |
1289 | int start = cb->args[0]; | |
1290 | struct cfg80211_registered_device *dev; | |
1291 | ||
a1794390 | 1292 | mutex_lock(&cfg80211_mutex); |
79c97e97 | 1293 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1294 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1295 | continue; | |
b4637271 | 1296 | if (++idx <= start) |
55682965 | 1297 | continue; |
15e47304 | 1298 | if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 1299 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
b4637271 JV |
1300 | dev) < 0) { |
1301 | idx--; | |
55682965 | 1302 | break; |
b4637271 | 1303 | } |
55682965 | 1304 | } |
a1794390 | 1305 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1306 | |
1307 | cb->args[0] = idx; | |
1308 | ||
1309 | return skb->len; | |
1310 | } | |
1311 | ||
1312 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) | |
1313 | { | |
1314 | struct sk_buff *msg; | |
4c476991 | 1315 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
55682965 | 1316 | |
fd2120ca | 1317 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1318 | if (!msg) |
4c476991 | 1319 | return -ENOMEM; |
55682965 | 1320 | |
15e47304 | 1321 | if (nl80211_send_wiphy(msg, info->snd_portid, info->snd_seq, 0, dev) < 0) { |
4c476991 JB |
1322 | nlmsg_free(msg); |
1323 | return -ENOBUFS; | |
1324 | } | |
55682965 | 1325 | |
134e6375 | 1326 | return genlmsg_reply(msg, info); |
55682965 JB |
1327 | } |
1328 | ||
31888487 JM |
1329 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1330 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1331 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1332 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1333 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1334 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1335 | }; | |
1336 | ||
1337 | static int parse_txq_params(struct nlattr *tb[], | |
1338 | struct ieee80211_txq_params *txq_params) | |
1339 | { | |
a3304b0a | 1340 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1341 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1342 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1343 | return -EINVAL; | |
1344 | ||
a3304b0a | 1345 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1346 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1347 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1348 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1349 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1350 | ||
a3304b0a JB |
1351 | if (txq_params->ac >= NL80211_NUM_ACS) |
1352 | return -EINVAL; | |
1353 | ||
31888487 JM |
1354 | return 0; |
1355 | } | |
1356 | ||
f444de05 JB |
1357 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1358 | { | |
1359 | /* | |
cc1d2806 JB |
1360 | * You can only set the channel explicitly for WDS interfaces, |
1361 | * all others have their channel managed via their respective | |
1362 | * "establish a connection" command (connect, join, ...) | |
1363 | * | |
1364 | * For AP/GO and mesh mode, the channel can be set with the | |
1365 | * channel userspace API, but is only stored and passed to the | |
1366 | * low-level driver when the AP starts or the mesh is joined. | |
1367 | * This is for backward compatibility, userspace can also give | |
1368 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1369 | * |
1370 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1371 | * whatever else is going on, so they have their own special |
1372 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1373 | */ |
1374 | return !wdev || | |
1375 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1376 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1377 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1378 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1379 | } |
1380 | ||
683b6d3b JB |
1381 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1382 | struct genl_info *info, | |
1383 | struct cfg80211_chan_def *chandef) | |
1384 | { | |
dbeca2ea | 1385 | u32 control_freq; |
683b6d3b JB |
1386 | |
1387 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1388 | return -EINVAL; | |
1389 | ||
1390 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1391 | ||
1392 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1393 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1394 | chandef->center_freq1 = control_freq; | |
1395 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1396 | |
1397 | /* Primary channel not allowed */ | |
1398 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1399 | return -EINVAL; | |
1400 | ||
3d9d1d66 JB |
1401 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1402 | enum nl80211_channel_type chantype; | |
1403 | ||
1404 | chantype = nla_get_u32( | |
1405 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1406 | ||
1407 | switch (chantype) { | |
1408 | case NL80211_CHAN_NO_HT: | |
1409 | case NL80211_CHAN_HT20: | |
1410 | case NL80211_CHAN_HT40PLUS: | |
1411 | case NL80211_CHAN_HT40MINUS: | |
1412 | cfg80211_chandef_create(chandef, chandef->chan, | |
1413 | chantype); | |
1414 | break; | |
1415 | default: | |
1416 | return -EINVAL; | |
1417 | } | |
1418 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1419 | chandef->width = | |
1420 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1421 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1422 | chandef->center_freq1 = | |
1423 | nla_get_u32( | |
1424 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1425 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1426 | chandef->center_freq2 = | |
1427 | nla_get_u32( | |
1428 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1429 | } | |
1430 | ||
9f5e8f6e | 1431 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1432 | return -EINVAL; |
1433 | ||
9f5e8f6e JB |
1434 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1435 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1436 | return -EINVAL; |
1437 | ||
683b6d3b JB |
1438 | return 0; |
1439 | } | |
1440 | ||
f444de05 JB |
1441 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
1442 | struct wireless_dev *wdev, | |
1443 | struct genl_info *info) | |
1444 | { | |
683b6d3b | 1445 | struct cfg80211_chan_def chandef; |
f444de05 | 1446 | int result; |
e8c9bd5b JB |
1447 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
1448 | ||
1449 | if (wdev) | |
1450 | iftype = wdev->iftype; | |
f444de05 | 1451 | |
f444de05 JB |
1452 | if (!nl80211_can_set_dev_channel(wdev)) |
1453 | return -EOPNOTSUPP; | |
1454 | ||
683b6d3b JB |
1455 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1456 | if (result) | |
1457 | return result; | |
f444de05 JB |
1458 | |
1459 | mutex_lock(&rdev->devlist_mtx); | |
e8c9bd5b | 1460 | switch (iftype) { |
aa430da4 JB |
1461 | case NL80211_IFTYPE_AP: |
1462 | case NL80211_IFTYPE_P2P_GO: | |
1463 | if (wdev->beacon_interval) { | |
1464 | result = -EBUSY; | |
1465 | break; | |
1466 | } | |
683b6d3b | 1467 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) { |
aa430da4 JB |
1468 | result = -EINVAL; |
1469 | break; | |
1470 | } | |
683b6d3b | 1471 | wdev->preset_chandef = chandef; |
aa430da4 JB |
1472 | result = 0; |
1473 | break; | |
cc1d2806 | 1474 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 1475 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 1476 | break; |
e8c9bd5b | 1477 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 1478 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 1479 | break; |
aa430da4 | 1480 | default: |
e8c9bd5b | 1481 | result = -EINVAL; |
f444de05 JB |
1482 | } |
1483 | mutex_unlock(&rdev->devlist_mtx); | |
1484 | ||
1485 | return result; | |
1486 | } | |
1487 | ||
1488 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1489 | { | |
4c476991 JB |
1490 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1491 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1492 | |
4c476991 | 1493 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1494 | } |
1495 | ||
e8347eba BJ |
1496 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1497 | { | |
43b19952 JB |
1498 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1499 | struct net_device *dev = info->user_ptr[1]; | |
1500 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1501 | const u8 *bssid; |
e8347eba BJ |
1502 | |
1503 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1504 | return -EINVAL; | |
1505 | ||
43b19952 JB |
1506 | if (netif_running(dev)) |
1507 | return -EBUSY; | |
e8347eba | 1508 | |
43b19952 JB |
1509 | if (!rdev->ops->set_wds_peer) |
1510 | return -EOPNOTSUPP; | |
e8347eba | 1511 | |
43b19952 JB |
1512 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1513 | return -EOPNOTSUPP; | |
e8347eba BJ |
1514 | |
1515 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 1516 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
1517 | } |
1518 | ||
1519 | ||
55682965 JB |
1520 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1521 | { | |
1522 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1523 | struct net_device *netdev = NULL; |
1524 | struct wireless_dev *wdev; | |
a1e567c8 | 1525 | int result = 0, rem_txq_params = 0; |
31888487 | 1526 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1527 | u32 changed; |
1528 | u8 retry_short = 0, retry_long = 0; | |
1529 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1530 | u8 coverage_class = 0; |
55682965 | 1531 | |
f444de05 JB |
1532 | /* |
1533 | * Try to find the wiphy and netdev. Normally this | |
1534 | * function shouldn't need the netdev, but this is | |
1535 | * done for backward compatibility -- previously | |
1536 | * setting the channel was done per wiphy, but now | |
1537 | * it is per netdev. Previous userland like hostapd | |
1538 | * also passed a netdev to set_wiphy, so that it is | |
1539 | * possible to let that go to the right netdev! | |
1540 | */ | |
4bbf4d56 JB |
1541 | mutex_lock(&cfg80211_mutex); |
1542 | ||
f444de05 JB |
1543 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1544 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1545 | ||
1546 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
1547 | if (netdev && netdev->ieee80211_ptr) { | |
1548 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); | |
1549 | mutex_lock(&rdev->mtx); | |
1550 | } else | |
1551 | netdev = NULL; | |
4bbf4d56 JB |
1552 | } |
1553 | ||
f444de05 | 1554 | if (!netdev) { |
878d9ec7 JB |
1555 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
1556 | info->attrs); | |
f444de05 JB |
1557 | if (IS_ERR(rdev)) { |
1558 | mutex_unlock(&cfg80211_mutex); | |
4c476991 | 1559 | return PTR_ERR(rdev); |
f444de05 JB |
1560 | } |
1561 | wdev = NULL; | |
1562 | netdev = NULL; | |
1563 | result = 0; | |
1564 | ||
1565 | mutex_lock(&rdev->mtx); | |
71fe96bf | 1566 | } else |
f444de05 | 1567 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
1568 | |
1569 | /* | |
1570 | * end workaround code, by now the rdev is available | |
1571 | * and locked, and wdev may or may not be NULL. | |
1572 | */ | |
4bbf4d56 JB |
1573 | |
1574 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1575 | result = cfg80211_dev_rename( |
1576 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 JB |
1577 | |
1578 | mutex_unlock(&cfg80211_mutex); | |
1579 | ||
1580 | if (result) | |
1581 | goto bad_res; | |
31888487 JM |
1582 | |
1583 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1584 | struct ieee80211_txq_params txq_params; | |
1585 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1586 | ||
1587 | if (!rdev->ops->set_txq_params) { | |
1588 | result = -EOPNOTSUPP; | |
1589 | goto bad_res; | |
1590 | } | |
1591 | ||
f70f01c2 EP |
1592 | if (!netdev) { |
1593 | result = -EINVAL; | |
1594 | goto bad_res; | |
1595 | } | |
1596 | ||
133a3ff2 JB |
1597 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
1598 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
1599 | result = -EINVAL; | |
1600 | goto bad_res; | |
1601 | } | |
1602 | ||
2b5f8b0b JB |
1603 | if (!netif_running(netdev)) { |
1604 | result = -ENETDOWN; | |
1605 | goto bad_res; | |
1606 | } | |
1607 | ||
31888487 JM |
1608 | nla_for_each_nested(nl_txq_params, |
1609 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
1610 | rem_txq_params) { | |
1611 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
1612 | nla_data(nl_txq_params), | |
1613 | nla_len(nl_txq_params), | |
1614 | txq_params_policy); | |
1615 | result = parse_txq_params(tb, &txq_params); | |
1616 | if (result) | |
1617 | goto bad_res; | |
1618 | ||
e35e4d28 HG |
1619 | result = rdev_set_txq_params(rdev, netdev, |
1620 | &txq_params); | |
31888487 JM |
1621 | if (result) |
1622 | goto bad_res; | |
1623 | } | |
1624 | } | |
55682965 | 1625 | |
72bdcf34 | 1626 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
71fe96bf JB |
1627 | result = __nl80211_set_channel(rdev, |
1628 | nl80211_can_set_dev_channel(wdev) ? wdev : NULL, | |
1629 | info); | |
72bdcf34 JM |
1630 | if (result) |
1631 | goto bad_res; | |
1632 | } | |
1633 | ||
98d2ff8b | 1634 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 1635 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
1636 | enum nl80211_tx_power_setting type; |
1637 | int idx, mbm = 0; | |
1638 | ||
c8442118 JB |
1639 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
1640 | txp_wdev = NULL; | |
1641 | ||
98d2ff8b | 1642 | if (!rdev->ops->set_tx_power) { |
60ea385f | 1643 | result = -EOPNOTSUPP; |
98d2ff8b JO |
1644 | goto bad_res; |
1645 | } | |
1646 | ||
1647 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
1648 | type = nla_get_u32(info->attrs[idx]); | |
1649 | ||
1650 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
1651 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
1652 | result = -EINVAL; | |
1653 | goto bad_res; | |
1654 | } | |
1655 | ||
1656 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
1657 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
1658 | mbm = nla_get_u32(info->attrs[idx]); | |
1659 | } | |
1660 | ||
c8442118 | 1661 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b JO |
1662 | if (result) |
1663 | goto bad_res; | |
1664 | } | |
1665 | ||
afe0cbf8 BR |
1666 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
1667 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
1668 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
1669 | if ((!rdev->wiphy.available_antennas_tx && |
1670 | !rdev->wiphy.available_antennas_rx) || | |
1671 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
1672 | result = -EOPNOTSUPP; |
1673 | goto bad_res; | |
1674 | } | |
1675 | ||
1676 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
1677 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
1678 | ||
a7ffac95 | 1679 | /* reject antenna configurations which don't match the |
7f531e03 BR |
1680 | * available antenna masks, except for the "all" mask */ |
1681 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
1682 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
1683 | result = -EINVAL; |
1684 | goto bad_res; | |
1685 | } | |
1686 | ||
7f531e03 BR |
1687 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
1688 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 1689 | |
e35e4d28 | 1690 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 BR |
1691 | if (result) |
1692 | goto bad_res; | |
1693 | } | |
1694 | ||
b9a5f8ca JM |
1695 | changed = 0; |
1696 | ||
1697 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
1698 | retry_short = nla_get_u8( | |
1699 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
1700 | if (retry_short == 0) { | |
1701 | result = -EINVAL; | |
1702 | goto bad_res; | |
1703 | } | |
1704 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
1705 | } | |
1706 | ||
1707 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
1708 | retry_long = nla_get_u8( | |
1709 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
1710 | if (retry_long == 0) { | |
1711 | result = -EINVAL; | |
1712 | goto bad_res; | |
1713 | } | |
1714 | changed |= WIPHY_PARAM_RETRY_LONG; | |
1715 | } | |
1716 | ||
1717 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
1718 | frag_threshold = nla_get_u32( | |
1719 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
1720 | if (frag_threshold < 256) { | |
1721 | result = -EINVAL; | |
1722 | goto bad_res; | |
1723 | } | |
1724 | if (frag_threshold != (u32) -1) { | |
1725 | /* | |
1726 | * Fragments (apart from the last one) are required to | |
1727 | * have even length. Make the fragmentation code | |
1728 | * simpler by stripping LSB should someone try to use | |
1729 | * odd threshold value. | |
1730 | */ | |
1731 | frag_threshold &= ~0x1; | |
1732 | } | |
1733 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
1734 | } | |
1735 | ||
1736 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
1737 | rts_threshold = nla_get_u32( | |
1738 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
1739 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
1740 | } | |
1741 | ||
81077e82 LT |
1742 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
1743 | coverage_class = nla_get_u8( | |
1744 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
1745 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
1746 | } | |
1747 | ||
b9a5f8ca JM |
1748 | if (changed) { |
1749 | u8 old_retry_short, old_retry_long; | |
1750 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 1751 | u8 old_coverage_class; |
b9a5f8ca JM |
1752 | |
1753 | if (!rdev->ops->set_wiphy_params) { | |
1754 | result = -EOPNOTSUPP; | |
1755 | goto bad_res; | |
1756 | } | |
1757 | ||
1758 | old_retry_short = rdev->wiphy.retry_short; | |
1759 | old_retry_long = rdev->wiphy.retry_long; | |
1760 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
1761 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 1762 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
1763 | |
1764 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1765 | rdev->wiphy.retry_short = retry_short; | |
1766 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1767 | rdev->wiphy.retry_long = retry_long; | |
1768 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
1769 | rdev->wiphy.frag_threshold = frag_threshold; | |
1770 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
1771 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
1772 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
1773 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 1774 | |
e35e4d28 | 1775 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
1776 | if (result) { |
1777 | rdev->wiphy.retry_short = old_retry_short; | |
1778 | rdev->wiphy.retry_long = old_retry_long; | |
1779 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
1780 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 1781 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
1782 | } |
1783 | } | |
72bdcf34 | 1784 | |
306d6112 | 1785 | bad_res: |
4bbf4d56 | 1786 | mutex_unlock(&rdev->mtx); |
f444de05 JB |
1787 | if (netdev) |
1788 | dev_put(netdev); | |
55682965 JB |
1789 | return result; |
1790 | } | |
1791 | ||
71bbc994 JB |
1792 | static inline u64 wdev_id(struct wireless_dev *wdev) |
1793 | { | |
1794 | return (u64)wdev->identifier | | |
1795 | ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); | |
1796 | } | |
55682965 | 1797 | |
683b6d3b JB |
1798 | static int nl80211_send_chandef(struct sk_buff *msg, |
1799 | struct cfg80211_chan_def *chandef) | |
1800 | { | |
9f5e8f6e | 1801 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 1802 | |
683b6d3b JB |
1803 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
1804 | chandef->chan->center_freq)) | |
1805 | return -ENOBUFS; | |
3d9d1d66 JB |
1806 | switch (chandef->width) { |
1807 | case NL80211_CHAN_WIDTH_20_NOHT: | |
1808 | case NL80211_CHAN_WIDTH_20: | |
1809 | case NL80211_CHAN_WIDTH_40: | |
1810 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
1811 | cfg80211_get_chandef_type(chandef))) | |
1812 | return -ENOBUFS; | |
1813 | break; | |
1814 | default: | |
1815 | break; | |
1816 | } | |
1817 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
1818 | return -ENOBUFS; | |
1819 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
1820 | return -ENOBUFS; | |
1821 | if (chandef->center_freq2 && | |
1822 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
1823 | return -ENOBUFS; |
1824 | return 0; | |
1825 | } | |
1826 | ||
15e47304 | 1827 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 1828 | struct cfg80211_registered_device *rdev, |
72fb2abc | 1829 | struct wireless_dev *wdev) |
55682965 | 1830 | { |
72fb2abc | 1831 | struct net_device *dev = wdev->netdev; |
55682965 JB |
1832 | void *hdr; |
1833 | ||
15e47304 | 1834 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
1835 | if (!hdr) |
1836 | return -1; | |
1837 | ||
72fb2abc JB |
1838 | if (dev && |
1839 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 1840 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
1841 | goto nla_put_failure; |
1842 | ||
1843 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
1844 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 1845 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 1846 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
1847 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1848 | rdev->devlist_generation ^ | |
1849 | (cfg80211_rdev_list_generation << 2))) | |
1850 | goto nla_put_failure; | |
f5ea9120 | 1851 | |
5b7ccaf3 | 1852 | if (rdev->ops->get_channel) { |
683b6d3b JB |
1853 | int ret; |
1854 | struct cfg80211_chan_def chandef; | |
1855 | ||
1856 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
1857 | if (ret == 0) { | |
1858 | if (nl80211_send_chandef(msg, &chandef)) | |
1859 | goto nla_put_failure; | |
1860 | } | |
d91df0e3 PF |
1861 | } |
1862 | ||
b84e7a05 AQ |
1863 | if (wdev->ssid_len) { |
1864 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
1865 | goto nla_put_failure; | |
1866 | } | |
1867 | ||
55682965 JB |
1868 | return genlmsg_end(msg, hdr); |
1869 | ||
1870 | nla_put_failure: | |
bc3ed28c TG |
1871 | genlmsg_cancel(msg, hdr); |
1872 | return -EMSGSIZE; | |
55682965 JB |
1873 | } |
1874 | ||
1875 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
1876 | { | |
1877 | int wp_idx = 0; | |
1878 | int if_idx = 0; | |
1879 | int wp_start = cb->args[0]; | |
1880 | int if_start = cb->args[1]; | |
f5ea9120 | 1881 | struct cfg80211_registered_device *rdev; |
55682965 JB |
1882 | struct wireless_dev *wdev; |
1883 | ||
a1794390 | 1884 | mutex_lock(&cfg80211_mutex); |
f5ea9120 JB |
1885 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1886 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1887 | continue; |
bba95fef JB |
1888 | if (wp_idx < wp_start) { |
1889 | wp_idx++; | |
55682965 | 1890 | continue; |
bba95fef | 1891 | } |
55682965 JB |
1892 | if_idx = 0; |
1893 | ||
f5ea9120 | 1894 | mutex_lock(&rdev->devlist_mtx); |
89a54e48 | 1895 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
1896 | if (if_idx < if_start) { |
1897 | if_idx++; | |
55682965 | 1898 | continue; |
bba95fef | 1899 | } |
15e47304 | 1900 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 1901 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 1902 | rdev, wdev) < 0) { |
f5ea9120 | 1903 | mutex_unlock(&rdev->devlist_mtx); |
bba95fef JB |
1904 | goto out; |
1905 | } | |
1906 | if_idx++; | |
55682965 | 1907 | } |
f5ea9120 | 1908 | mutex_unlock(&rdev->devlist_mtx); |
bba95fef JB |
1909 | |
1910 | wp_idx++; | |
55682965 | 1911 | } |
bba95fef | 1912 | out: |
a1794390 | 1913 | mutex_unlock(&cfg80211_mutex); |
55682965 JB |
1914 | |
1915 | cb->args[0] = wp_idx; | |
1916 | cb->args[1] = if_idx; | |
1917 | ||
1918 | return skb->len; | |
1919 | } | |
1920 | ||
1921 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
1922 | { | |
1923 | struct sk_buff *msg; | |
4c476991 | 1924 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
72fb2abc | 1925 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 1926 | |
fd2120ca | 1927 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 1928 | if (!msg) |
4c476991 | 1929 | return -ENOMEM; |
55682965 | 1930 | |
15e47304 | 1931 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
72fb2abc | 1932 | dev, wdev) < 0) { |
4c476991 JB |
1933 | nlmsg_free(msg); |
1934 | return -ENOBUFS; | |
1935 | } | |
55682965 | 1936 | |
134e6375 | 1937 | return genlmsg_reply(msg, info); |
55682965 JB |
1938 | } |
1939 | ||
66f7ac50 MW |
1940 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
1941 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
1942 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
1943 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
1944 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
1945 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
1946 | }; | |
1947 | ||
1948 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
1949 | { | |
1950 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
1951 | int flag; | |
1952 | ||
1953 | *mntrflags = 0; | |
1954 | ||
1955 | if (!nla) | |
1956 | return -EINVAL; | |
1957 | ||
1958 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
1959 | nla, mntr_flags_policy)) | |
1960 | return -EINVAL; | |
1961 | ||
1962 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
1963 | if (flags[flag]) | |
1964 | *mntrflags |= (1<<flag); | |
1965 | ||
1966 | return 0; | |
1967 | } | |
1968 | ||
9bc383de | 1969 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
1970 | struct net_device *netdev, u8 use_4addr, |
1971 | enum nl80211_iftype iftype) | |
9bc383de | 1972 | { |
ad4bb6f8 | 1973 | if (!use_4addr) { |
f350a0a8 | 1974 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 1975 | return -EBUSY; |
9bc383de | 1976 | return 0; |
ad4bb6f8 | 1977 | } |
9bc383de JB |
1978 | |
1979 | switch (iftype) { | |
1980 | case NL80211_IFTYPE_AP_VLAN: | |
1981 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
1982 | return 0; | |
1983 | break; | |
1984 | case NL80211_IFTYPE_STATION: | |
1985 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
1986 | return 0; | |
1987 | break; | |
1988 | default: | |
1989 | break; | |
1990 | } | |
1991 | ||
1992 | return -EOPNOTSUPP; | |
1993 | } | |
1994 | ||
55682965 JB |
1995 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
1996 | { | |
4c476991 | 1997 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 1998 | struct vif_params params; |
e36d56b6 | 1999 | int err; |
04a773ad | 2000 | enum nl80211_iftype otype, ntype; |
4c476991 | 2001 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2002 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2003 | bool change = false; |
55682965 | 2004 | |
2ec600d6 LCC |
2005 | memset(¶ms, 0, sizeof(params)); |
2006 | ||
04a773ad | 2007 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2008 | |
723b038d | 2009 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2010 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2011 | if (otype != ntype) |
ac7f9cfa | 2012 | change = true; |
4c476991 JB |
2013 | if (ntype > NL80211_IFTYPE_MAX) |
2014 | return -EINVAL; | |
723b038d JB |
2015 | } |
2016 | ||
92ffe055 | 2017 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2018 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2019 | ||
4c476991 JB |
2020 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2021 | return -EINVAL; | |
29cbe68c JB |
2022 | if (netif_running(dev)) |
2023 | return -EBUSY; | |
2024 | ||
2025 | wdev_lock(wdev); | |
2026 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2027 | IEEE80211_MAX_MESH_ID_LEN); | |
2028 | wdev->mesh_id_up_len = | |
2029 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2030 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2031 | wdev->mesh_id_up_len); | |
2032 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2033 | } |
2034 | ||
8b787643 FF |
2035 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2036 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2037 | change = true; | |
ad4bb6f8 | 2038 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2039 | if (err) |
4c476991 | 2040 | return err; |
8b787643 FF |
2041 | } else { |
2042 | params.use_4addr = -1; | |
2043 | } | |
2044 | ||
92ffe055 | 2045 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2046 | if (ntype != NL80211_IFTYPE_MONITOR) |
2047 | return -EINVAL; | |
92ffe055 JB |
2048 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2049 | &_flags); | |
ac7f9cfa | 2050 | if (err) |
4c476991 | 2051 | return err; |
ac7f9cfa JB |
2052 | |
2053 | flags = &_flags; | |
2054 | change = true; | |
92ffe055 | 2055 | } |
3b85875a | 2056 | |
ac7f9cfa | 2057 | if (change) |
3d54d255 | 2058 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2059 | else |
2060 | err = 0; | |
60719ffd | 2061 | |
9bc383de JB |
2062 | if (!err && params.use_4addr != -1) |
2063 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2064 | ||
55682965 JB |
2065 | return err; |
2066 | } | |
2067 | ||
2068 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2069 | { | |
4c476991 | 2070 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2071 | struct vif_params params; |
84efbb84 | 2072 | struct wireless_dev *wdev; |
1c90f9d4 | 2073 | struct sk_buff *msg; |
55682965 JB |
2074 | int err; |
2075 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2076 | u32 flags; |
55682965 | 2077 | |
2ec600d6 LCC |
2078 | memset(¶ms, 0, sizeof(params)); |
2079 | ||
55682965 JB |
2080 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2081 | return -EINVAL; | |
2082 | ||
2083 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2084 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2085 | if (type > NL80211_IFTYPE_MAX) | |
2086 | return -EINVAL; | |
2087 | } | |
2088 | ||
79c97e97 | 2089 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2090 | !(rdev->wiphy.interface_modes & (1 << type))) |
2091 | return -EOPNOTSUPP; | |
55682965 | 2092 | |
1c18f145 AS |
2093 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2094 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2095 | ETH_ALEN); | |
2096 | if (!is_valid_ether_addr(params.macaddr)) | |
2097 | return -EADDRNOTAVAIL; | |
2098 | } | |
2099 | ||
9bc383de | 2100 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2101 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2102 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2103 | if (err) |
4c476991 | 2104 | return err; |
9bc383de | 2105 | } |
8b787643 | 2106 | |
1c90f9d4 JB |
2107 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2108 | if (!msg) | |
2109 | return -ENOMEM; | |
2110 | ||
66f7ac50 MW |
2111 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2112 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2113 | &flags); | |
e35e4d28 HG |
2114 | wdev = rdev_add_virtual_intf(rdev, |
2115 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2116 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2117 | if (IS_ERR(wdev)) { |
2118 | nlmsg_free(msg); | |
84efbb84 | 2119 | return PTR_ERR(wdev); |
1c90f9d4 | 2120 | } |
2ec600d6 | 2121 | |
98104fde JB |
2122 | switch (type) { |
2123 | case NL80211_IFTYPE_MESH_POINT: | |
2124 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2125 | break; | |
29cbe68c JB |
2126 | wdev_lock(wdev); |
2127 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2128 | IEEE80211_MAX_MESH_ID_LEN); | |
2129 | wdev->mesh_id_up_len = | |
2130 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2131 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2132 | wdev->mesh_id_up_len); | |
2133 | wdev_unlock(wdev); | |
98104fde JB |
2134 | break; |
2135 | case NL80211_IFTYPE_P2P_DEVICE: | |
2136 | /* | |
2137 | * P2P Device doesn't have a netdev, so doesn't go | |
2138 | * through the netdev notifier and must be added here | |
2139 | */ | |
2140 | mutex_init(&wdev->mtx); | |
2141 | INIT_LIST_HEAD(&wdev->event_list); | |
2142 | spin_lock_init(&wdev->event_lock); | |
2143 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2144 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2145 | ||
2146 | mutex_lock(&rdev->devlist_mtx); | |
2147 | wdev->identifier = ++rdev->wdev_id; | |
2148 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2149 | rdev->devlist_generation++; | |
2150 | mutex_unlock(&rdev->devlist_mtx); | |
2151 | break; | |
2152 | default: | |
2153 | break; | |
29cbe68c JB |
2154 | } |
2155 | ||
15e47304 | 2156 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2157 | rdev, wdev) < 0) { |
2158 | nlmsg_free(msg); | |
2159 | return -ENOBUFS; | |
2160 | } | |
2161 | ||
2162 | return genlmsg_reply(msg, info); | |
55682965 JB |
2163 | } |
2164 | ||
2165 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2166 | { | |
4c476991 | 2167 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2168 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2169 | |
4c476991 JB |
2170 | if (!rdev->ops->del_virtual_intf) |
2171 | return -EOPNOTSUPP; | |
55682965 | 2172 | |
84efbb84 JB |
2173 | /* |
2174 | * If we remove a wireless device without a netdev then clear | |
2175 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2176 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2177 | * since the wdev has been freed, unlike with a netdev where | |
2178 | * we need the dev_put() for the netdev to really be freed. | |
2179 | */ | |
2180 | if (!wdev->netdev) | |
2181 | info->user_ptr[1] = NULL; | |
2182 | ||
e35e4d28 | 2183 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2184 | } |
2185 | ||
1d9d9213 SW |
2186 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2187 | { | |
2188 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2189 | struct net_device *dev = info->user_ptr[1]; | |
2190 | u16 noack_map; | |
2191 | ||
2192 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2193 | return -EINVAL; | |
2194 | ||
2195 | if (!rdev->ops->set_noack_map) | |
2196 | return -EOPNOTSUPP; | |
2197 | ||
2198 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2199 | ||
e35e4d28 | 2200 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2201 | } |
2202 | ||
41ade00f JB |
2203 | struct get_key_cookie { |
2204 | struct sk_buff *msg; | |
2205 | int error; | |
b9454e83 | 2206 | int idx; |
41ade00f JB |
2207 | }; |
2208 | ||
2209 | static void get_key_callback(void *c, struct key_params *params) | |
2210 | { | |
b9454e83 | 2211 | struct nlattr *key; |
41ade00f JB |
2212 | struct get_key_cookie *cookie = c; |
2213 | ||
9360ffd1 DM |
2214 | if ((params->key && |
2215 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2216 | params->key_len, params->key)) || | |
2217 | (params->seq && | |
2218 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2219 | params->seq_len, params->seq)) || | |
2220 | (params->cipher && | |
2221 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2222 | params->cipher))) | |
2223 | goto nla_put_failure; | |
41ade00f | 2224 | |
b9454e83 JB |
2225 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2226 | if (!key) | |
2227 | goto nla_put_failure; | |
2228 | ||
9360ffd1 DM |
2229 | if ((params->key && |
2230 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2231 | params->key_len, params->key)) || | |
2232 | (params->seq && | |
2233 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2234 | params->seq_len, params->seq)) || | |
2235 | (params->cipher && | |
2236 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2237 | params->cipher))) | |
2238 | goto nla_put_failure; | |
b9454e83 | 2239 | |
9360ffd1 DM |
2240 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2241 | goto nla_put_failure; | |
b9454e83 JB |
2242 | |
2243 | nla_nest_end(cookie->msg, key); | |
2244 | ||
41ade00f JB |
2245 | return; |
2246 | nla_put_failure: | |
2247 | cookie->error = 1; | |
2248 | } | |
2249 | ||
2250 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2251 | { | |
4c476991 | 2252 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2253 | int err; |
4c476991 | 2254 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2255 | u8 key_idx = 0; |
e31b8213 JB |
2256 | const u8 *mac_addr = NULL; |
2257 | bool pairwise; | |
41ade00f JB |
2258 | struct get_key_cookie cookie = { |
2259 | .error = 0, | |
2260 | }; | |
2261 | void *hdr; | |
2262 | struct sk_buff *msg; | |
2263 | ||
2264 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2265 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2266 | ||
3cfcf6ac | 2267 | if (key_idx > 5) |
41ade00f JB |
2268 | return -EINVAL; |
2269 | ||
2270 | if (info->attrs[NL80211_ATTR_MAC]) | |
2271 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2272 | ||
e31b8213 JB |
2273 | pairwise = !!mac_addr; |
2274 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2275 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2276 | if (kt >= NUM_NL80211_KEYTYPES) | |
2277 | return -EINVAL; | |
2278 | if (kt != NL80211_KEYTYPE_GROUP && | |
2279 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2280 | return -EINVAL; | |
2281 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2282 | } | |
2283 | ||
4c476991 JB |
2284 | if (!rdev->ops->get_key) |
2285 | return -EOPNOTSUPP; | |
41ade00f | 2286 | |
fd2120ca | 2287 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2288 | if (!msg) |
2289 | return -ENOMEM; | |
41ade00f | 2290 | |
15e47304 | 2291 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2292 | NL80211_CMD_NEW_KEY); |
4c476991 JB |
2293 | if (IS_ERR(hdr)) |
2294 | return PTR_ERR(hdr); | |
41ade00f JB |
2295 | |
2296 | cookie.msg = msg; | |
b9454e83 | 2297 | cookie.idx = key_idx; |
41ade00f | 2298 | |
9360ffd1 DM |
2299 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2300 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2301 | goto nla_put_failure; | |
2302 | if (mac_addr && | |
2303 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2304 | goto nla_put_failure; | |
41ade00f | 2305 | |
e31b8213 JB |
2306 | if (pairwise && mac_addr && |
2307 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2308 | return -ENOENT; | |
2309 | ||
e35e4d28 HG |
2310 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2311 | get_key_callback); | |
41ade00f JB |
2312 | |
2313 | if (err) | |
6c95e2a2 | 2314 | goto free_msg; |
41ade00f JB |
2315 | |
2316 | if (cookie.error) | |
2317 | goto nla_put_failure; | |
2318 | ||
2319 | genlmsg_end(msg, hdr); | |
4c476991 | 2320 | return genlmsg_reply(msg, info); |
41ade00f JB |
2321 | |
2322 | nla_put_failure: | |
2323 | err = -ENOBUFS; | |
6c95e2a2 | 2324 | free_msg: |
41ade00f | 2325 | nlmsg_free(msg); |
41ade00f JB |
2326 | return err; |
2327 | } | |
2328 | ||
2329 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2330 | { | |
4c476991 | 2331 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2332 | struct key_parse key; |
41ade00f | 2333 | int err; |
4c476991 | 2334 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2335 | |
b9454e83 JB |
2336 | err = nl80211_parse_key(info, &key); |
2337 | if (err) | |
2338 | return err; | |
41ade00f | 2339 | |
b9454e83 | 2340 | if (key.idx < 0) |
41ade00f JB |
2341 | return -EINVAL; |
2342 | ||
b9454e83 JB |
2343 | /* only support setting default key */ |
2344 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2345 | return -EINVAL; |
2346 | ||
dbd2fd65 | 2347 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2348 | |
dbd2fd65 JB |
2349 | if (key.def) { |
2350 | if (!rdev->ops->set_default_key) { | |
2351 | err = -EOPNOTSUPP; | |
2352 | goto out; | |
2353 | } | |
41ade00f | 2354 | |
dbd2fd65 JB |
2355 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2356 | if (err) | |
2357 | goto out; | |
2358 | ||
e35e4d28 | 2359 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2360 | key.def_uni, key.def_multi); |
2361 | ||
2362 | if (err) | |
2363 | goto out; | |
fffd0934 | 2364 | |
3d23e349 | 2365 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2366 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2367 | #endif | |
2368 | } else { | |
2369 | if (key.def_uni || !key.def_multi) { | |
2370 | err = -EINVAL; | |
2371 | goto out; | |
2372 | } | |
2373 | ||
2374 | if (!rdev->ops->set_default_mgmt_key) { | |
2375 | err = -EOPNOTSUPP; | |
2376 | goto out; | |
2377 | } | |
2378 | ||
2379 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2380 | if (err) | |
2381 | goto out; | |
2382 | ||
e35e4d28 | 2383 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2384 | if (err) |
2385 | goto out; | |
2386 | ||
2387 | #ifdef CONFIG_CFG80211_WEXT | |
2388 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2389 | #endif |
dbd2fd65 JB |
2390 | } |
2391 | ||
2392 | out: | |
fffd0934 | 2393 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2394 | |
41ade00f JB |
2395 | return err; |
2396 | } | |
2397 | ||
2398 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2399 | { | |
4c476991 | 2400 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2401 | int err; |
4c476991 | 2402 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2403 | struct key_parse key; |
e31b8213 | 2404 | const u8 *mac_addr = NULL; |
41ade00f | 2405 | |
b9454e83 JB |
2406 | err = nl80211_parse_key(info, &key); |
2407 | if (err) | |
2408 | return err; | |
41ade00f | 2409 | |
b9454e83 | 2410 | if (!key.p.key) |
41ade00f JB |
2411 | return -EINVAL; |
2412 | ||
41ade00f JB |
2413 | if (info->attrs[NL80211_ATTR_MAC]) |
2414 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2415 | ||
e31b8213 JB |
2416 | if (key.type == -1) { |
2417 | if (mac_addr) | |
2418 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2419 | else | |
2420 | key.type = NL80211_KEYTYPE_GROUP; | |
2421 | } | |
2422 | ||
2423 | /* for now */ | |
2424 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2425 | key.type != NL80211_KEYTYPE_GROUP) | |
2426 | return -EINVAL; | |
2427 | ||
4c476991 JB |
2428 | if (!rdev->ops->add_key) |
2429 | return -EOPNOTSUPP; | |
25e47c18 | 2430 | |
e31b8213 JB |
2431 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2432 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2433 | mac_addr)) | |
4c476991 | 2434 | return -EINVAL; |
41ade00f | 2435 | |
fffd0934 JB |
2436 | wdev_lock(dev->ieee80211_ptr); |
2437 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2438 | if (!err) | |
e35e4d28 HG |
2439 | err = rdev_add_key(rdev, dev, key.idx, |
2440 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2441 | mac_addr, &key.p); | |
fffd0934 | 2442 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2443 | |
41ade00f JB |
2444 | return err; |
2445 | } | |
2446 | ||
2447 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2448 | { | |
4c476991 | 2449 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2450 | int err; |
4c476991 | 2451 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2452 | u8 *mac_addr = NULL; |
b9454e83 | 2453 | struct key_parse key; |
41ade00f | 2454 | |
b9454e83 JB |
2455 | err = nl80211_parse_key(info, &key); |
2456 | if (err) | |
2457 | return err; | |
41ade00f JB |
2458 | |
2459 | if (info->attrs[NL80211_ATTR_MAC]) | |
2460 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2461 | ||
e31b8213 JB |
2462 | if (key.type == -1) { |
2463 | if (mac_addr) | |
2464 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2465 | else | |
2466 | key.type = NL80211_KEYTYPE_GROUP; | |
2467 | } | |
2468 | ||
2469 | /* for now */ | |
2470 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2471 | key.type != NL80211_KEYTYPE_GROUP) | |
2472 | return -EINVAL; | |
2473 | ||
4c476991 JB |
2474 | if (!rdev->ops->del_key) |
2475 | return -EOPNOTSUPP; | |
41ade00f | 2476 | |
fffd0934 JB |
2477 | wdev_lock(dev->ieee80211_ptr); |
2478 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2479 | |
2480 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2481 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2482 | err = -ENOENT; | |
2483 | ||
fffd0934 | 2484 | if (!err) |
e35e4d28 HG |
2485 | err = rdev_del_key(rdev, dev, key.idx, |
2486 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2487 | mac_addr); | |
41ade00f | 2488 | |
3d23e349 | 2489 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2490 | if (!err) { |
b9454e83 | 2491 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2492 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2493 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2494 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2495 | } | |
2496 | #endif | |
fffd0934 | 2497 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2498 | |
41ade00f JB |
2499 | return err; |
2500 | } | |
2501 | ||
77765eaf VT |
2502 | /* This function returns an error or the number of nested attributes */ |
2503 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
2504 | { | |
2505 | struct nlattr *attr; | |
2506 | int n_entries = 0, tmp; | |
2507 | ||
2508 | nla_for_each_nested(attr, nl_attr, tmp) { | |
2509 | if (nla_len(attr) != ETH_ALEN) | |
2510 | return -EINVAL; | |
2511 | ||
2512 | n_entries++; | |
2513 | } | |
2514 | ||
2515 | return n_entries; | |
2516 | } | |
2517 | ||
2518 | /* | |
2519 | * This function parses ACL information and allocates memory for ACL data. | |
2520 | * On successful return, the calling function is responsible to free the | |
2521 | * ACL buffer returned by this function. | |
2522 | */ | |
2523 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
2524 | struct genl_info *info) | |
2525 | { | |
2526 | enum nl80211_acl_policy acl_policy; | |
2527 | struct nlattr *attr; | |
2528 | struct cfg80211_acl_data *acl; | |
2529 | int i = 0, n_entries, tmp; | |
2530 | ||
2531 | if (!wiphy->max_acl_mac_addrs) | |
2532 | return ERR_PTR(-EOPNOTSUPP); | |
2533 | ||
2534 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
2535 | return ERR_PTR(-EINVAL); | |
2536 | ||
2537 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
2538 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
2539 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
2540 | return ERR_PTR(-EINVAL); | |
2541 | ||
2542 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
2543 | return ERR_PTR(-EINVAL); | |
2544 | ||
2545 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
2546 | if (n_entries < 0) | |
2547 | return ERR_PTR(n_entries); | |
2548 | ||
2549 | if (n_entries > wiphy->max_acl_mac_addrs) | |
2550 | return ERR_PTR(-ENOTSUPP); | |
2551 | ||
2552 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
2553 | GFP_KERNEL); | |
2554 | if (!acl) | |
2555 | return ERR_PTR(-ENOMEM); | |
2556 | ||
2557 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
2558 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
2559 | i++; | |
2560 | } | |
2561 | ||
2562 | acl->n_acl_entries = n_entries; | |
2563 | acl->acl_policy = acl_policy; | |
2564 | ||
2565 | return acl; | |
2566 | } | |
2567 | ||
2568 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
2569 | { | |
2570 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2571 | struct net_device *dev = info->user_ptr[1]; | |
2572 | struct cfg80211_acl_data *acl; | |
2573 | int err; | |
2574 | ||
2575 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2576 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2577 | return -EOPNOTSUPP; | |
2578 | ||
2579 | if (!dev->ieee80211_ptr->beacon_interval) | |
2580 | return -EINVAL; | |
2581 | ||
2582 | acl = parse_acl_data(&rdev->wiphy, info); | |
2583 | if (IS_ERR(acl)) | |
2584 | return PTR_ERR(acl); | |
2585 | ||
2586 | err = rdev_set_mac_acl(rdev, dev, acl); | |
2587 | ||
2588 | kfree(acl); | |
2589 | ||
2590 | return err; | |
2591 | } | |
2592 | ||
8860020e JB |
2593 | static int nl80211_parse_beacon(struct genl_info *info, |
2594 | struct cfg80211_beacon_data *bcn) | |
ed1b6cc7 | 2595 | { |
8860020e | 2596 | bool haveinfo = false; |
ed1b6cc7 | 2597 | |
9946ecfb JM |
2598 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) || |
2599 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) || | |
2600 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
2601 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
2602 | return -EINVAL; |
2603 | ||
8860020e | 2604 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 2605 | |
ed1b6cc7 | 2606 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { |
8860020e JB |
2607 | bcn->head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); |
2608 | bcn->head_len = nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
2609 | if (!bcn->head_len) | |
2610 | return -EINVAL; | |
2611 | haveinfo = true; | |
ed1b6cc7 JB |
2612 | } |
2613 | ||
2614 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { | |
8860020e JB |
2615 | bcn->tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); |
2616 | bcn->tail_len = | |
ed1b6cc7 | 2617 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); |
8860020e | 2618 | haveinfo = true; |
ed1b6cc7 JB |
2619 | } |
2620 | ||
4c476991 JB |
2621 | if (!haveinfo) |
2622 | return -EINVAL; | |
3b85875a | 2623 | |
9946ecfb | 2624 | if (info->attrs[NL80211_ATTR_IE]) { |
8860020e JB |
2625 | bcn->beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]); |
2626 | bcn->beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
2627 | } |
2628 | ||
2629 | if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) { | |
8860020e | 2630 | bcn->proberesp_ies = |
9946ecfb | 2631 | nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 2632 | bcn->proberesp_ies_len = |
9946ecfb JM |
2633 | nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); |
2634 | } | |
2635 | ||
2636 | if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) { | |
8860020e | 2637 | bcn->assocresp_ies = |
9946ecfb | 2638 | nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 2639 | bcn->assocresp_ies_len = |
9946ecfb JM |
2640 | nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
2641 | } | |
2642 | ||
00f740e1 | 2643 | if (info->attrs[NL80211_ATTR_PROBE_RESP]) { |
8860020e | 2644 | bcn->probe_resp = |
00f740e1 | 2645 | nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]); |
8860020e | 2646 | bcn->probe_resp_len = |
00f740e1 AN |
2647 | nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]); |
2648 | } | |
2649 | ||
8860020e JB |
2650 | return 0; |
2651 | } | |
2652 | ||
46c1dd0c FF |
2653 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
2654 | struct cfg80211_ap_settings *params) | |
2655 | { | |
2656 | struct wireless_dev *wdev; | |
2657 | bool ret = false; | |
2658 | ||
2659 | mutex_lock(&rdev->devlist_mtx); | |
2660 | ||
89a54e48 | 2661 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
2662 | if (wdev->iftype != NL80211_IFTYPE_AP && |
2663 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
2664 | continue; | |
2665 | ||
683b6d3b | 2666 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
2667 | continue; |
2668 | ||
683b6d3b | 2669 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
2670 | ret = true; |
2671 | break; | |
2672 | } | |
2673 | ||
2674 | mutex_unlock(&rdev->devlist_mtx); | |
2675 | ||
2676 | return ret; | |
2677 | } | |
2678 | ||
e39e5b5e JM |
2679 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
2680 | enum nl80211_auth_type auth_type, | |
2681 | enum nl80211_commands cmd) | |
2682 | { | |
2683 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
2684 | return false; | |
2685 | ||
2686 | switch (cmd) { | |
2687 | case NL80211_CMD_AUTHENTICATE: | |
2688 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
2689 | auth_type == NL80211_AUTHTYPE_SAE) | |
2690 | return false; | |
2691 | return true; | |
2692 | case NL80211_CMD_CONNECT: | |
2693 | case NL80211_CMD_START_AP: | |
2694 | /* SAE not supported yet */ | |
2695 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
2696 | return false; | |
2697 | return true; | |
2698 | default: | |
2699 | return false; | |
2700 | } | |
2701 | } | |
2702 | ||
8860020e JB |
2703 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
2704 | { | |
2705 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2706 | struct net_device *dev = info->user_ptr[1]; | |
2707 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
2708 | struct cfg80211_ap_settings params; | |
2709 | int err; | |
2710 | ||
2711 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2712 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2713 | return -EOPNOTSUPP; | |
2714 | ||
2715 | if (!rdev->ops->start_ap) | |
2716 | return -EOPNOTSUPP; | |
2717 | ||
2718 | if (wdev->beacon_interval) | |
2719 | return -EALREADY; | |
2720 | ||
2721 | memset(¶ms, 0, sizeof(params)); | |
2722 | ||
2723 | /* these are required for START_AP */ | |
2724 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
2725 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
2726 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
2727 | return -EINVAL; | |
2728 | ||
2729 | err = nl80211_parse_beacon(info, ¶ms.beacon); | |
2730 | if (err) | |
2731 | return err; | |
2732 | ||
2733 | params.beacon_interval = | |
2734 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
2735 | params.dtim_period = | |
2736 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
2737 | ||
2738 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
2739 | if (err) | |
2740 | return err; | |
2741 | ||
2742 | /* | |
2743 | * In theory, some of these attributes should be required here | |
2744 | * but since they were not used when the command was originally | |
2745 | * added, keep them optional for old user space programs to let | |
2746 | * them continue to work with drivers that do not need the | |
2747 | * additional information -- drivers must check! | |
2748 | */ | |
2749 | if (info->attrs[NL80211_ATTR_SSID]) { | |
2750 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
2751 | params.ssid_len = | |
2752 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
2753 | if (params.ssid_len == 0 || | |
2754 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
2755 | return -EINVAL; | |
2756 | } | |
2757 | ||
2758 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
2759 | params.hidden_ssid = nla_get_u32( | |
2760 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
2761 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
2762 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
2763 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
2764 | return -EINVAL; | |
2765 | } | |
2766 | ||
2767 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
2768 | ||
2769 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
2770 | params.auth_type = nla_get_u32( | |
2771 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
2772 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
2773 | NL80211_CMD_START_AP)) | |
8860020e JB |
2774 | return -EINVAL; |
2775 | } else | |
2776 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
2777 | ||
2778 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
2779 | NL80211_MAX_NR_CIPHER_SUITES); | |
2780 | if (err) | |
2781 | return err; | |
2782 | ||
1b658f11 VT |
2783 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
2784 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
2785 | return -EOPNOTSUPP; | |
2786 | params.inactivity_timeout = nla_get_u16( | |
2787 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
2788 | } | |
2789 | ||
53cabad7 JB |
2790 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
2791 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2792 | return -EINVAL; | |
2793 | params.p2p_ctwindow = | |
2794 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
2795 | if (params.p2p_ctwindow > 127) | |
2796 | return -EINVAL; | |
2797 | if (params.p2p_ctwindow != 0 && | |
2798 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
2799 | return -EINVAL; | |
2800 | } | |
2801 | ||
2802 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
2803 | u8 tmp; | |
2804 | ||
2805 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2806 | return -EINVAL; | |
2807 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
2808 | if (tmp > 1) | |
2809 | return -EINVAL; | |
2810 | params.p2p_opp_ps = tmp; | |
2811 | if (params.p2p_opp_ps != 0 && | |
2812 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
2813 | return -EINVAL; | |
2814 | } | |
2815 | ||
aa430da4 | 2816 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
2817 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
2818 | if (err) | |
2819 | return err; | |
2820 | } else if (wdev->preset_chandef.chan) { | |
2821 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 2822 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
2823 | return -EINVAL; |
2824 | ||
683b6d3b | 2825 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) |
aa430da4 JB |
2826 | return -EINVAL; |
2827 | ||
e4e32459 | 2828 | mutex_lock(&rdev->devlist_mtx); |
683b6d3b | 2829 | err = cfg80211_can_use_chan(rdev, wdev, params.chandef.chan, |
e4e32459 MK |
2830 | CHAN_MODE_SHARED); |
2831 | mutex_unlock(&rdev->devlist_mtx); | |
2832 | ||
2833 | if (err) | |
2834 | return err; | |
2835 | ||
77765eaf VT |
2836 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
2837 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
2838 | if (IS_ERR(params.acl)) | |
2839 | return PTR_ERR(params.acl); | |
2840 | } | |
2841 | ||
e35e4d28 | 2842 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 2843 | if (!err) { |
683b6d3b | 2844 | wdev->preset_chandef = params.chandef; |
8860020e | 2845 | wdev->beacon_interval = params.beacon_interval; |
683b6d3b | 2846 | wdev->channel = params.chandef.chan; |
06e191e2 AQ |
2847 | wdev->ssid_len = params.ssid_len; |
2848 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 2849 | } |
77765eaf VT |
2850 | |
2851 | kfree(params.acl); | |
2852 | ||
56d1893d | 2853 | return err; |
ed1b6cc7 JB |
2854 | } |
2855 | ||
8860020e JB |
2856 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
2857 | { | |
2858 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2859 | struct net_device *dev = info->user_ptr[1]; | |
2860 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
2861 | struct cfg80211_beacon_data params; | |
2862 | int err; | |
2863 | ||
2864 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2865 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2866 | return -EOPNOTSUPP; | |
2867 | ||
2868 | if (!rdev->ops->change_beacon) | |
2869 | return -EOPNOTSUPP; | |
2870 | ||
2871 | if (!wdev->beacon_interval) | |
2872 | return -EINVAL; | |
2873 | ||
2874 | err = nl80211_parse_beacon(info, ¶ms); | |
2875 | if (err) | |
2876 | return err; | |
2877 | ||
e35e4d28 | 2878 | return rdev_change_beacon(rdev, dev, ¶ms); |
8860020e JB |
2879 | } |
2880 | ||
2881 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 2882 | { |
4c476991 JB |
2883 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2884 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 2885 | |
60771780 | 2886 | return cfg80211_stop_ap(rdev, dev); |
ed1b6cc7 JB |
2887 | } |
2888 | ||
5727ef1b JB |
2889 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
2890 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
2891 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
2892 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 2893 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 2894 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 2895 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
2896 | }; |
2897 | ||
eccb8e8f | 2898 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 2899 | enum nl80211_iftype iftype, |
eccb8e8f | 2900 | struct station_parameters *params) |
5727ef1b JB |
2901 | { |
2902 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 2903 | struct nlattr *nla; |
5727ef1b JB |
2904 | int flag; |
2905 | ||
eccb8e8f JB |
2906 | /* |
2907 | * Try parsing the new attribute first so userspace | |
2908 | * can specify both for older kernels. | |
2909 | */ | |
2910 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
2911 | if (nla) { | |
2912 | struct nl80211_sta_flag_update *sta_flags; | |
2913 | ||
2914 | sta_flags = nla_data(nla); | |
2915 | params->sta_flags_mask = sta_flags->mask; | |
2916 | params->sta_flags_set = sta_flags->set; | |
2917 | if ((params->sta_flags_mask | | |
2918 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
2919 | return -EINVAL; | |
2920 | return 0; | |
2921 | } | |
2922 | ||
2923 | /* if present, parse the old attribute */ | |
5727ef1b | 2924 | |
eccb8e8f | 2925 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
2926 | if (!nla) |
2927 | return 0; | |
2928 | ||
2929 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
2930 | nla, sta_flags_policy)) | |
2931 | return -EINVAL; | |
2932 | ||
bdd3ae3d JB |
2933 | /* |
2934 | * Only allow certain flags for interface types so that | |
2935 | * other attributes are silently ignored. Remember that | |
2936 | * this is backward compatibility code with old userspace | |
2937 | * and shouldn't be hit in other cases anyway. | |
2938 | */ | |
2939 | switch (iftype) { | |
2940 | case NL80211_IFTYPE_AP: | |
2941 | case NL80211_IFTYPE_AP_VLAN: | |
2942 | case NL80211_IFTYPE_P2P_GO: | |
2943 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
2944 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
2945 | BIT(NL80211_STA_FLAG_WME) | | |
2946 | BIT(NL80211_STA_FLAG_MFP); | |
2947 | break; | |
2948 | case NL80211_IFTYPE_P2P_CLIENT: | |
2949 | case NL80211_IFTYPE_STATION: | |
2950 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
2951 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
2952 | break; | |
2953 | case NL80211_IFTYPE_MESH_POINT: | |
2954 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
2955 | BIT(NL80211_STA_FLAG_MFP) | | |
2956 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
2957 | default: | |
2958 | return -EINVAL; | |
2959 | } | |
5727ef1b | 2960 | |
3383b5a6 JB |
2961 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
2962 | if (flags[flag]) { | |
eccb8e8f | 2963 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 2964 | |
3383b5a6 JB |
2965 | /* no longer support new API additions in old API */ |
2966 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
2967 | return -EINVAL; | |
2968 | } | |
2969 | } | |
2970 | ||
5727ef1b JB |
2971 | return 0; |
2972 | } | |
2973 | ||
c8dcfd8a FF |
2974 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
2975 | int attr) | |
2976 | { | |
2977 | struct nlattr *rate; | |
8eb41c8d VK |
2978 | u32 bitrate; |
2979 | u16 bitrate_compat; | |
c8dcfd8a FF |
2980 | |
2981 | rate = nla_nest_start(msg, attr); | |
2982 | if (!rate) | |
db9c64cf | 2983 | return false; |
c8dcfd8a FF |
2984 | |
2985 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
2986 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
2987 | /* report 16-bit bitrate only if we can */ |
2988 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
2989 | if (bitrate > 0 && |
2990 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
2991 | return false; | |
2992 | if (bitrate_compat > 0 && | |
2993 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
2994 | return false; | |
2995 | ||
2996 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
2997 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
2998 | return false; | |
2999 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3000 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3001 | return false; | |
3002 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3003 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3004 | return false; | |
3005 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3006 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3007 | return false; | |
3008 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3009 | return false; | |
3010 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3011 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3012 | return false; | |
3013 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3014 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3015 | return false; | |
3016 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3017 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3018 | return false; | |
3019 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3020 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3021 | return false; | |
3022 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3023 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3024 | return false; | |
3025 | } | |
c8dcfd8a FF |
3026 | |
3027 | nla_nest_end(msg, rate); | |
3028 | return true; | |
c8dcfd8a FF |
3029 | } |
3030 | ||
15e47304 | 3031 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3032 | int flags, |
3033 | struct cfg80211_registered_device *rdev, | |
3034 | struct net_device *dev, | |
98b62183 | 3035 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3036 | { |
3037 | void *hdr; | |
f4263c98 | 3038 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3039 | |
15e47304 | 3040 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3041 | if (!hdr) |
3042 | return -1; | |
3043 | ||
9360ffd1 DM |
3044 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3045 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3046 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3047 | goto nla_put_failure; | |
f5ea9120 | 3048 | |
2ec600d6 LCC |
3049 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3050 | if (!sinfoattr) | |
fd5b74dc | 3051 | goto nla_put_failure; |
9360ffd1 DM |
3052 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3053 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3054 | sinfo->connected_time)) | |
3055 | goto nla_put_failure; | |
3056 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3057 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3058 | sinfo->inactive_time)) | |
3059 | goto nla_put_failure; | |
3060 | if ((sinfo->filled & STATION_INFO_RX_BYTES) && | |
3061 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, | |
3062 | sinfo->rx_bytes)) | |
3063 | goto nla_put_failure; | |
3064 | if ((sinfo->filled & STATION_INFO_TX_BYTES) && | |
3065 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, | |
3066 | sinfo->tx_bytes)) | |
3067 | goto nla_put_failure; | |
3068 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3069 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3070 | goto nla_put_failure; | |
3071 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3072 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3073 | goto nla_put_failure; | |
3074 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3075 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3076 | sinfo->plink_state)) | |
3077 | goto nla_put_failure; | |
66266b3a JL |
3078 | switch (rdev->wiphy.signal_type) { |
3079 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3080 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3081 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3082 | sinfo->signal)) | |
3083 | goto nla_put_failure; | |
3084 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3085 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3086 | sinfo->signal_avg)) | |
3087 | goto nla_put_failure; | |
66266b3a JL |
3088 | break; |
3089 | default: | |
3090 | break; | |
3091 | } | |
420e7fab | 3092 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3093 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3094 | NL80211_STA_INFO_TX_BITRATE)) | |
3095 | goto nla_put_failure; | |
3096 | } | |
3097 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3098 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3099 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3100 | goto nla_put_failure; |
420e7fab | 3101 | } |
9360ffd1 DM |
3102 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3103 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3104 | sinfo->rx_packets)) | |
3105 | goto nla_put_failure; | |
3106 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3107 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3108 | sinfo->tx_packets)) | |
3109 | goto nla_put_failure; | |
3110 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3111 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3112 | sinfo->tx_retries)) | |
3113 | goto nla_put_failure; | |
3114 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3115 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3116 | sinfo->tx_failed)) | |
3117 | goto nla_put_failure; | |
3118 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && | |
3119 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3120 | sinfo->beacon_loss_count)) | |
3121 | goto nla_put_failure; | |
3b1c5a53 MP |
3122 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3123 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3124 | sinfo->local_pm)) | |
3125 | goto nla_put_failure; | |
3126 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3127 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3128 | sinfo->peer_pm)) | |
3129 | goto nla_put_failure; | |
3130 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3131 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3132 | sinfo->nonpeer_pm)) | |
3133 | goto nla_put_failure; | |
f4263c98 PS |
3134 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3135 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3136 | if (!bss_param) | |
3137 | goto nla_put_failure; | |
3138 | ||
9360ffd1 DM |
3139 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3140 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3141 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3142 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3143 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3144 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3145 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3146 | sinfo->bss_param.dtim_period) || | |
3147 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3148 | sinfo->bss_param.beacon_interval)) | |
3149 | goto nla_put_failure; | |
f4263c98 PS |
3150 | |
3151 | nla_nest_end(msg, bss_param); | |
3152 | } | |
9360ffd1 DM |
3153 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3154 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3155 | sizeof(struct nl80211_sta_flag_update), | |
3156 | &sinfo->sta_flags)) | |
3157 | goto nla_put_failure; | |
7eab0f64 JL |
3158 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3159 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3160 | sinfo->t_offset)) | |
3161 | goto nla_put_failure; | |
2ec600d6 | 3162 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3163 | |
9360ffd1 DM |
3164 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3165 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3166 | sinfo->assoc_req_ies)) | |
3167 | goto nla_put_failure; | |
50d3dfb7 | 3168 | |
fd5b74dc JB |
3169 | return genlmsg_end(msg, hdr); |
3170 | ||
3171 | nla_put_failure: | |
bc3ed28c TG |
3172 | genlmsg_cancel(msg, hdr); |
3173 | return -EMSGSIZE; | |
fd5b74dc JB |
3174 | } |
3175 | ||
2ec600d6 | 3176 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3177 | struct netlink_callback *cb) |
2ec600d6 | 3178 | { |
2ec600d6 LCC |
3179 | struct station_info sinfo; |
3180 | struct cfg80211_registered_device *dev; | |
bba95fef | 3181 | struct net_device *netdev; |
2ec600d6 | 3182 | u8 mac_addr[ETH_ALEN]; |
bba95fef | 3183 | int sta_idx = cb->args[1]; |
2ec600d6 | 3184 | int err; |
2ec600d6 | 3185 | |
67748893 JB |
3186 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
3187 | if (err) | |
3188 | return err; | |
bba95fef JB |
3189 | |
3190 | if (!dev->ops->dump_station) { | |
eec60b03 | 3191 | err = -EOPNOTSUPP; |
bba95fef JB |
3192 | goto out_err; |
3193 | } | |
3194 | ||
bba95fef | 3195 | while (1) { |
f612cedf | 3196 | memset(&sinfo, 0, sizeof(sinfo)); |
e35e4d28 HG |
3197 | err = rdev_dump_station(dev, netdev, sta_idx, |
3198 | mac_addr, &sinfo); | |
bba95fef JB |
3199 | if (err == -ENOENT) |
3200 | break; | |
3201 | if (err) | |
3b85875a | 3202 | goto out_err; |
bba95fef JB |
3203 | |
3204 | if (nl80211_send_station(skb, | |
15e47304 | 3205 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3206 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
66266b3a | 3207 | dev, netdev, mac_addr, |
bba95fef JB |
3208 | &sinfo) < 0) |
3209 | goto out; | |
3210 | ||
3211 | sta_idx++; | |
3212 | } | |
3213 | ||
3214 | ||
3215 | out: | |
3216 | cb->args[1] = sta_idx; | |
3217 | err = skb->len; | |
bba95fef | 3218 | out_err: |
67748893 | 3219 | nl80211_finish_netdev_dump(dev); |
bba95fef JB |
3220 | |
3221 | return err; | |
2ec600d6 | 3222 | } |
fd5b74dc | 3223 | |
5727ef1b JB |
3224 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3225 | { | |
4c476991 JB |
3226 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3227 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3228 | struct station_info sinfo; |
fd5b74dc JB |
3229 | struct sk_buff *msg; |
3230 | u8 *mac_addr = NULL; | |
4c476991 | 3231 | int err; |
fd5b74dc | 3232 | |
2ec600d6 | 3233 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3234 | |
3235 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3236 | return -EINVAL; | |
3237 | ||
3238 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3239 | ||
4c476991 JB |
3240 | if (!rdev->ops->get_station) |
3241 | return -EOPNOTSUPP; | |
3b85875a | 3242 | |
e35e4d28 | 3243 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3244 | if (err) |
4c476991 | 3245 | return err; |
2ec600d6 | 3246 | |
fd2120ca | 3247 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3248 | if (!msg) |
4c476991 | 3249 | return -ENOMEM; |
fd5b74dc | 3250 | |
15e47304 | 3251 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3252 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3253 | nlmsg_free(msg); |
3254 | return -ENOBUFS; | |
3255 | } | |
3b85875a | 3256 | |
4c476991 | 3257 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3258 | } |
3259 | ||
3260 | /* | |
c258d2de | 3261 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3262 | */ |
80b99899 JB |
3263 | static struct net_device *get_vlan(struct genl_info *info, |
3264 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3265 | { |
463d0183 | 3266 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3267 | struct net_device *v; |
3268 | int ret; | |
3269 | ||
3270 | if (!vlanattr) | |
3271 | return NULL; | |
3272 | ||
3273 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3274 | if (!v) | |
3275 | return ERR_PTR(-ENODEV); | |
3276 | ||
3277 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3278 | ret = -EINVAL; | |
3279 | goto error; | |
5727ef1b | 3280 | } |
80b99899 JB |
3281 | |
3282 | if (!netif_running(v)) { | |
3283 | ret = -ENETDOWN; | |
3284 | goto error; | |
3285 | } | |
3286 | ||
3287 | return v; | |
3288 | error: | |
3289 | dev_put(v); | |
3290 | return ERR_PTR(ret); | |
5727ef1b JB |
3291 | } |
3292 | ||
3293 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) | |
3294 | { | |
4c476991 | 3295 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 3296 | int err; |
4c476991 | 3297 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
3298 | struct station_parameters params; |
3299 | u8 *mac_addr = NULL; | |
3300 | ||
3301 | memset(¶ms, 0, sizeof(params)); | |
3302 | ||
3303 | params.listen_interval = -1; | |
57cf8043 | 3304 | params.plink_state = -1; |
5727ef1b JB |
3305 | |
3306 | if (info->attrs[NL80211_ATTR_STA_AID]) | |
3307 | return -EINVAL; | |
3308 | ||
3309 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3310 | return -EINVAL; | |
3311 | ||
3312 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3313 | ||
3314 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
3315 | params.supported_rates = | |
3316 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3317 | params.supported_rates_len = | |
3318 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3319 | } | |
3320 | ||
ba23d206 JB |
3321 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL] || |
3322 | info->attrs[NL80211_ATTR_HT_CAPABILITY]) | |
3323 | return -EINVAL; | |
36aedc90 | 3324 | |
bdd90d5e JB |
3325 | if (!rdev->ops->change_station) |
3326 | return -EOPNOTSUPP; | |
3327 | ||
bdd3ae3d | 3328 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
3329 | return -EINVAL; |
3330 | ||
2ec600d6 LCC |
3331 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
3332 | params.plink_action = | |
3333 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
3334 | ||
9c3990aa JC |
3335 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) |
3336 | params.plink_state = | |
3337 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); | |
3338 | ||
3b1c5a53 MP |
3339 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
3340 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
3341 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
3342 | ||
3343 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
3344 | pm > NL80211_MESH_POWER_MAX) | |
3345 | return -EINVAL; | |
3346 | ||
3347 | params.local_pm = pm; | |
3348 | } | |
3349 | ||
a97f4424 JB |
3350 | switch (dev->ieee80211_ptr->iftype) { |
3351 | case NL80211_IFTYPE_AP: | |
3352 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 3353 | case NL80211_IFTYPE_P2P_GO: |
a97f4424 JB |
3354 | /* disallow mesh-specific things */ |
3355 | if (params.plink_action) | |
bdd90d5e | 3356 | return -EINVAL; |
3b1c5a53 MP |
3357 | if (params.local_pm) |
3358 | return -EINVAL; | |
bdd90d5e JB |
3359 | |
3360 | /* TDLS can't be set, ... */ | |
3361 | if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3362 | return -EINVAL; | |
3363 | /* | |
3364 | * ... but don't bother the driver with it. This works around | |
3365 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3366 | * TLDS_PEER flag in the mask even for AP mode. | |
3367 | */ | |
3368 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3369 | ||
3370 | /* accept only the listed bits */ | |
3371 | if (params.sta_flags_mask & | |
3372 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
d582cffb JB |
3373 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
3374 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
bdd90d5e JB |
3375 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | |
3376 | BIT(NL80211_STA_FLAG_WME) | | |
3377 | BIT(NL80211_STA_FLAG_MFP))) | |
3378 | return -EINVAL; | |
3379 | ||
d582cffb JB |
3380 | /* but authenticated/associated only if driver handles it */ |
3381 | if (!(rdev->wiphy.features & | |
3382 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3383 | params.sta_flags_mask & | |
3384 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3385 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3386 | return -EINVAL; | |
3387 | ||
ba23d206 JB |
3388 | /* reject other things that can't change */ |
3389 | if (params.supported_rates) | |
3390 | return -EINVAL; | |
3391 | ||
bdd90d5e JB |
3392 | /* must be last in here for error handling */ |
3393 | params.vlan = get_vlan(info, rdev); | |
3394 | if (IS_ERR(params.vlan)) | |
3395 | return PTR_ERR(params.vlan); | |
a97f4424 | 3396 | break; |
074ac8df | 3397 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 3398 | case NL80211_IFTYPE_STATION: |
bdd90d5e JB |
3399 | /* |
3400 | * Don't allow userspace to change the TDLS_PEER flag, | |
3401 | * but silently ignore attempts to change it since we | |
3402 | * don't have state here to verify that it doesn't try | |
3403 | * to change the flag. | |
3404 | */ | |
3405 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
267335d6 AQ |
3406 | /* fall through */ |
3407 | case NL80211_IFTYPE_ADHOC: | |
3408 | /* disallow things sta doesn't support */ | |
3409 | if (params.plink_action) | |
3410 | return -EINVAL; | |
3b1c5a53 MP |
3411 | if (params.local_pm) |
3412 | return -EINVAL; | |
bdd90d5e JB |
3413 | /* reject any changes other than AUTHORIZED */ |
3414 | if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3415 | return -EINVAL; | |
a97f4424 JB |
3416 | break; |
3417 | case NL80211_IFTYPE_MESH_POINT: | |
3418 | /* disallow things mesh doesn't support */ | |
3419 | if (params.vlan) | |
bdd90d5e | 3420 | return -EINVAL; |
ba23d206 | 3421 | if (params.supported_rates) |
bdd90d5e JB |
3422 | return -EINVAL; |
3423 | /* | |
3424 | * No special handling for TDLS here -- the userspace | |
3425 | * mesh code doesn't have this bug. | |
3426 | */ | |
b39c48fa JC |
3427 | if (params.sta_flags_mask & |
3428 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
8429828e | 3429 | BIT(NL80211_STA_FLAG_MFP) | |
b39c48fa | 3430 | BIT(NL80211_STA_FLAG_AUTHORIZED))) |
bdd90d5e | 3431 | return -EINVAL; |
a97f4424 JB |
3432 | break; |
3433 | default: | |
bdd90d5e | 3434 | return -EOPNOTSUPP; |
034d655e JB |
3435 | } |
3436 | ||
bdd90d5e | 3437 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 3438 | |
e35e4d28 | 3439 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 3440 | |
5727ef1b JB |
3441 | if (params.vlan) |
3442 | dev_put(params.vlan); | |
3b85875a | 3443 | |
5727ef1b JB |
3444 | return err; |
3445 | } | |
3446 | ||
c75786c9 EP |
3447 | static struct nla_policy |
3448 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
3449 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
3450 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
3451 | }; | |
3452 | ||
5727ef1b JB |
3453 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) |
3454 | { | |
4c476991 | 3455 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 3456 | int err; |
4c476991 | 3457 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
3458 | struct station_parameters params; |
3459 | u8 *mac_addr = NULL; | |
3460 | ||
3461 | memset(¶ms, 0, sizeof(params)); | |
3462 | ||
3463 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3464 | return -EINVAL; | |
3465 | ||
5727ef1b JB |
3466 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
3467 | return -EINVAL; | |
3468 | ||
3469 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
3470 | return -EINVAL; | |
3471 | ||
0e956c13 TLSC |
3472 | if (!info->attrs[NL80211_ATTR_STA_AID]) |
3473 | return -EINVAL; | |
3474 | ||
5727ef1b JB |
3475 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
3476 | params.supported_rates = | |
3477 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3478 | params.supported_rates_len = | |
3479 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3480 | params.listen_interval = | |
3481 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 3482 | |
0e956c13 TLSC |
3483 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
3484 | if (!params.aid || params.aid > IEEE80211_MAX_AID) | |
3485 | return -EINVAL; | |
51b50fbe | 3486 | |
36aedc90 JM |
3487 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
3488 | params.ht_capa = | |
3489 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 3490 | |
f461be3e MP |
3491 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
3492 | params.vht_capa = | |
3493 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
3494 | ||
96b78dff JC |
3495 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
3496 | params.plink_action = | |
3497 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
3498 | ||
bdd90d5e JB |
3499 | if (!rdev->ops->add_station) |
3500 | return -EOPNOTSUPP; | |
3501 | ||
bdd3ae3d | 3502 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
3503 | return -EINVAL; |
3504 | ||
bdd90d5e JB |
3505 | switch (dev->ieee80211_ptr->iftype) { |
3506 | case NL80211_IFTYPE_AP: | |
3507 | case NL80211_IFTYPE_AP_VLAN: | |
3508 | case NL80211_IFTYPE_P2P_GO: | |
3509 | /* parse WME attributes if sta is WME capable */ | |
3510 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
3511 | (params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)) && | |
3512 | info->attrs[NL80211_ATTR_STA_WME]) { | |
3513 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; | |
3514 | struct nlattr *nla; | |
3515 | ||
3516 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
3517 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
3518 | nl80211_sta_wme_policy); | |
3519 | if (err) | |
3520 | return err; | |
3521 | ||
3522 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
3523 | params.uapsd_queues = | |
3524 | nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
3525 | if (params.uapsd_queues & | |
3526 | ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
3527 | return -EINVAL; | |
c75786c9 | 3528 | |
bdd90d5e JB |
3529 | if (tb[NL80211_STA_WME_MAX_SP]) |
3530 | params.max_sp = | |
3531 | nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
c75786c9 | 3532 | |
bdd90d5e JB |
3533 | if (params.max_sp & |
3534 | ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
3535 | return -EINVAL; | |
4319e193 | 3536 | |
bdd90d5e JB |
3537 | params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; |
3538 | } | |
3539 | /* TDLS peers cannot be added */ | |
3540 | if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4319e193 | 3541 | return -EINVAL; |
bdd90d5e JB |
3542 | /* but don't bother the driver with it */ |
3543 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 3544 | |
d582cffb JB |
3545 | /* allow authenticated/associated only if driver handles it */ |
3546 | if (!(rdev->wiphy.features & | |
3547 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3548 | params.sta_flags_mask & | |
3549 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3550 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3551 | return -EINVAL; | |
3552 | ||
bdd90d5e JB |
3553 | /* must be last in here for error handling */ |
3554 | params.vlan = get_vlan(info, rdev); | |
3555 | if (IS_ERR(params.vlan)) | |
3556 | return PTR_ERR(params.vlan); | |
3557 | break; | |
3558 | case NL80211_IFTYPE_MESH_POINT: | |
d582cffb JB |
3559 | /* associated is disallowed */ |
3560 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
3561 | return -EINVAL; | |
bdd90d5e JB |
3562 | /* TDLS peers cannot be added */ |
3563 | if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3564 | return -EINVAL; | |
3565 | break; | |
3566 | case NL80211_IFTYPE_STATION: | |
d582cffb JB |
3567 | /* associated is disallowed */ |
3568 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
3569 | return -EINVAL; | |
bdd90d5e JB |
3570 | /* Only TDLS peers can be added */ |
3571 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3572 | return -EINVAL; | |
3573 | /* Can only add if TDLS ... */ | |
3574 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
3575 | return -EOPNOTSUPP; | |
3576 | /* ... with external setup is supported */ | |
3577 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
3578 | return -EOPNOTSUPP; | |
3579 | break; | |
3580 | default: | |
3581 | return -EOPNOTSUPP; | |
c75786c9 EP |
3582 | } |
3583 | ||
bdd90d5e | 3584 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 3585 | |
e35e4d28 | 3586 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 3587 | |
5727ef1b JB |
3588 | if (params.vlan) |
3589 | dev_put(params.vlan); | |
5727ef1b JB |
3590 | return err; |
3591 | } | |
3592 | ||
3593 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
3594 | { | |
4c476991 JB |
3595 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3596 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
3597 | u8 *mac_addr = NULL; |
3598 | ||
3599 | if (info->attrs[NL80211_ATTR_MAC]) | |
3600 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3601 | ||
e80cf853 | 3602 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 3603 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 3604 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
3605 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
3606 | return -EINVAL; | |
5727ef1b | 3607 | |
4c476991 JB |
3608 | if (!rdev->ops->del_station) |
3609 | return -EOPNOTSUPP; | |
3b85875a | 3610 | |
e35e4d28 | 3611 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
3612 | } |
3613 | ||
15e47304 | 3614 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
3615 | int flags, struct net_device *dev, |
3616 | u8 *dst, u8 *next_hop, | |
3617 | struct mpath_info *pinfo) | |
3618 | { | |
3619 | void *hdr; | |
3620 | struct nlattr *pinfoattr; | |
3621 | ||
15e47304 | 3622 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
3623 | if (!hdr) |
3624 | return -1; | |
3625 | ||
9360ffd1 DM |
3626 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3627 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
3628 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
3629 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
3630 | goto nla_put_failure; | |
f5ea9120 | 3631 | |
2ec600d6 LCC |
3632 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
3633 | if (!pinfoattr) | |
3634 | goto nla_put_failure; | |
9360ffd1 DM |
3635 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
3636 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
3637 | pinfo->frame_qlen)) | |
3638 | goto nla_put_failure; | |
3639 | if (((pinfo->filled & MPATH_INFO_SN) && | |
3640 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
3641 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
3642 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
3643 | pinfo->metric)) || | |
3644 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
3645 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
3646 | pinfo->exptime)) || | |
3647 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
3648 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
3649 | pinfo->flags)) || | |
3650 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
3651 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
3652 | pinfo->discovery_timeout)) || | |
3653 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
3654 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
3655 | pinfo->discovery_retries))) | |
3656 | goto nla_put_failure; | |
2ec600d6 LCC |
3657 | |
3658 | nla_nest_end(msg, pinfoattr); | |
3659 | ||
3660 | return genlmsg_end(msg, hdr); | |
3661 | ||
3662 | nla_put_failure: | |
bc3ed28c TG |
3663 | genlmsg_cancel(msg, hdr); |
3664 | return -EMSGSIZE; | |
2ec600d6 LCC |
3665 | } |
3666 | ||
3667 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 3668 | struct netlink_callback *cb) |
2ec600d6 | 3669 | { |
2ec600d6 LCC |
3670 | struct mpath_info pinfo; |
3671 | struct cfg80211_registered_device *dev; | |
bba95fef | 3672 | struct net_device *netdev; |
2ec600d6 LCC |
3673 | u8 dst[ETH_ALEN]; |
3674 | u8 next_hop[ETH_ALEN]; | |
bba95fef | 3675 | int path_idx = cb->args[1]; |
2ec600d6 | 3676 | int err; |
2ec600d6 | 3677 | |
67748893 JB |
3678 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
3679 | if (err) | |
3680 | return err; | |
bba95fef JB |
3681 | |
3682 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 3683 | err = -EOPNOTSUPP; |
bba95fef JB |
3684 | goto out_err; |
3685 | } | |
3686 | ||
eec60b03 JM |
3687 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { |
3688 | err = -EOPNOTSUPP; | |
0448b5fc | 3689 | goto out_err; |
eec60b03 JM |
3690 | } |
3691 | ||
bba95fef | 3692 | while (1) { |
e35e4d28 HG |
3693 | err = rdev_dump_mpath(dev, netdev, path_idx, dst, next_hop, |
3694 | &pinfo); | |
bba95fef | 3695 | if (err == -ENOENT) |
2ec600d6 | 3696 | break; |
bba95fef | 3697 | if (err) |
3b85875a | 3698 | goto out_err; |
2ec600d6 | 3699 | |
15e47304 | 3700 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef JB |
3701 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
3702 | netdev, dst, next_hop, | |
3703 | &pinfo) < 0) | |
3704 | goto out; | |
2ec600d6 | 3705 | |
bba95fef | 3706 | path_idx++; |
2ec600d6 | 3707 | } |
2ec600d6 | 3708 | |
2ec600d6 | 3709 | |
bba95fef JB |
3710 | out: |
3711 | cb->args[1] = path_idx; | |
3712 | err = skb->len; | |
bba95fef | 3713 | out_err: |
67748893 | 3714 | nl80211_finish_netdev_dump(dev); |
bba95fef | 3715 | return err; |
2ec600d6 LCC |
3716 | } |
3717 | ||
3718 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
3719 | { | |
4c476991 | 3720 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 3721 | int err; |
4c476991 | 3722 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
3723 | struct mpath_info pinfo; |
3724 | struct sk_buff *msg; | |
3725 | u8 *dst = NULL; | |
3726 | u8 next_hop[ETH_ALEN]; | |
3727 | ||
3728 | memset(&pinfo, 0, sizeof(pinfo)); | |
3729 | ||
3730 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3731 | return -EINVAL; | |
3732 | ||
3733 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3734 | ||
4c476991 JB |
3735 | if (!rdev->ops->get_mpath) |
3736 | return -EOPNOTSUPP; | |
2ec600d6 | 3737 | |
4c476991 JB |
3738 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
3739 | return -EOPNOTSUPP; | |
eec60b03 | 3740 | |
e35e4d28 | 3741 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 3742 | if (err) |
4c476991 | 3743 | return err; |
2ec600d6 | 3744 | |
fd2120ca | 3745 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 3746 | if (!msg) |
4c476991 | 3747 | return -ENOMEM; |
2ec600d6 | 3748 | |
15e47304 | 3749 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
3750 | dev, dst, next_hop, &pinfo) < 0) { |
3751 | nlmsg_free(msg); | |
3752 | return -ENOBUFS; | |
3753 | } | |
3b85875a | 3754 | |
4c476991 | 3755 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
3756 | } |
3757 | ||
3758 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
3759 | { | |
4c476991 JB |
3760 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3761 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
3762 | u8 *dst = NULL; |
3763 | u8 *next_hop = NULL; | |
3764 | ||
3765 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3766 | return -EINVAL; | |
3767 | ||
3768 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
3769 | return -EINVAL; | |
3770 | ||
3771 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3772 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
3773 | ||
4c476991 JB |
3774 | if (!rdev->ops->change_mpath) |
3775 | return -EOPNOTSUPP; | |
35a8efe1 | 3776 | |
4c476991 JB |
3777 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
3778 | return -EOPNOTSUPP; | |
2ec600d6 | 3779 | |
e35e4d28 | 3780 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 3781 | } |
4c476991 | 3782 | |
2ec600d6 LCC |
3783 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
3784 | { | |
4c476991 JB |
3785 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3786 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
3787 | u8 *dst = NULL; |
3788 | u8 *next_hop = NULL; | |
3789 | ||
3790 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3791 | return -EINVAL; | |
3792 | ||
3793 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
3794 | return -EINVAL; | |
3795 | ||
3796 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3797 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
3798 | ||
4c476991 JB |
3799 | if (!rdev->ops->add_mpath) |
3800 | return -EOPNOTSUPP; | |
35a8efe1 | 3801 | |
4c476991 JB |
3802 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
3803 | return -EOPNOTSUPP; | |
2ec600d6 | 3804 | |
e35e4d28 | 3805 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
3806 | } |
3807 | ||
3808 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
3809 | { | |
4c476991 JB |
3810 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3811 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
3812 | u8 *dst = NULL; |
3813 | ||
3814 | if (info->attrs[NL80211_ATTR_MAC]) | |
3815 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3816 | ||
4c476991 JB |
3817 | if (!rdev->ops->del_mpath) |
3818 | return -EOPNOTSUPP; | |
3b85875a | 3819 | |
e35e4d28 | 3820 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
3821 | } |
3822 | ||
9f1ba906 JM |
3823 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
3824 | { | |
4c476991 JB |
3825 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3826 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
3827 | struct bss_parameters params; |
3828 | ||
3829 | memset(¶ms, 0, sizeof(params)); | |
3830 | /* default to not changing parameters */ | |
3831 | params.use_cts_prot = -1; | |
3832 | params.use_short_preamble = -1; | |
3833 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 3834 | params.ap_isolate = -1; |
50b12f59 | 3835 | params.ht_opmode = -1; |
53cabad7 JB |
3836 | params.p2p_ctwindow = -1; |
3837 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
3838 | |
3839 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
3840 | params.use_cts_prot = | |
3841 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
3842 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
3843 | params.use_short_preamble = | |
3844 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
3845 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
3846 | params.use_short_slot_time = | |
3847 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
3848 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
3849 | params.basic_rates = | |
3850 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
3851 | params.basic_rates_len = | |
3852 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
3853 | } | |
fd8aaaf3 FF |
3854 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
3855 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
3856 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
3857 | params.ht_opmode = | |
3858 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 3859 | |
53cabad7 JB |
3860 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3861 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3862 | return -EINVAL; | |
3863 | params.p2p_ctwindow = | |
3864 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3865 | if (params.p2p_ctwindow < 0) | |
3866 | return -EINVAL; | |
3867 | if (params.p2p_ctwindow != 0 && | |
3868 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3869 | return -EINVAL; | |
3870 | } | |
3871 | ||
3872 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3873 | u8 tmp; | |
3874 | ||
3875 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3876 | return -EINVAL; | |
3877 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3878 | if (tmp > 1) | |
3879 | return -EINVAL; | |
3880 | params.p2p_opp_ps = tmp; | |
3881 | if (params.p2p_opp_ps && | |
3882 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3883 | return -EINVAL; | |
3884 | } | |
3885 | ||
4c476991 JB |
3886 | if (!rdev->ops->change_bss) |
3887 | return -EOPNOTSUPP; | |
9f1ba906 | 3888 | |
074ac8df | 3889 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
3890 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
3891 | return -EOPNOTSUPP; | |
3b85875a | 3892 | |
e35e4d28 | 3893 | return rdev_change_bss(rdev, dev, ¶ms); |
9f1ba906 JM |
3894 | } |
3895 | ||
b54452b0 | 3896 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
3897 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
3898 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
3899 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
3900 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
3901 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
3902 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
3903 | }; | |
3904 | ||
3905 | static int parse_reg_rule(struct nlattr *tb[], | |
3906 | struct ieee80211_reg_rule *reg_rule) | |
3907 | { | |
3908 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
3909 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
3910 | ||
3911 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
3912 | return -EINVAL; | |
3913 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
3914 | return -EINVAL; | |
3915 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
3916 | return -EINVAL; | |
3917 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
3918 | return -EINVAL; | |
3919 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
3920 | return -EINVAL; | |
3921 | ||
3922 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
3923 | ||
3924 | freq_range->start_freq_khz = | |
3925 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
3926 | freq_range->end_freq_khz = | |
3927 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
3928 | freq_range->max_bandwidth_khz = | |
3929 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
3930 | ||
3931 | power_rule->max_eirp = | |
3932 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
3933 | ||
3934 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
3935 | power_rule->max_antenna_gain = | |
3936 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
3937 | ||
3938 | return 0; | |
3939 | } | |
3940 | ||
3941 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
3942 | { | |
3943 | int r; | |
3944 | char *data = NULL; | |
57b5ce07 | 3945 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 3946 | |
80778f18 LR |
3947 | /* |
3948 | * You should only get this when cfg80211 hasn't yet initialized | |
3949 | * completely when built-in to the kernel right between the time | |
3950 | * window between nl80211_init() and regulatory_init(), if that is | |
3951 | * even possible. | |
3952 | */ | |
458f4f9e | 3953 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 3954 | return -EINPROGRESS; |
80778f18 | 3955 | |
fe33eb39 LR |
3956 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
3957 | return -EINVAL; | |
b2e1b302 LR |
3958 | |
3959 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
3960 | ||
57b5ce07 LR |
3961 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
3962 | user_reg_hint_type = | |
3963 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
3964 | else | |
3965 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
3966 | ||
3967 | switch (user_reg_hint_type) { | |
3968 | case NL80211_USER_REG_HINT_USER: | |
3969 | case NL80211_USER_REG_HINT_CELL_BASE: | |
3970 | break; | |
3971 | default: | |
3972 | return -EINVAL; | |
3973 | } | |
3974 | ||
3975 | r = regulatory_hint_user(data, user_reg_hint_type); | |
fe33eb39 | 3976 | |
b2e1b302 LR |
3977 | return r; |
3978 | } | |
3979 | ||
24bdd9f4 | 3980 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 3981 | struct genl_info *info) |
93da9cc1 | 3982 | { |
4c476991 | 3983 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 3984 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
3985 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
3986 | struct mesh_config cur_params; | |
3987 | int err = 0; | |
93da9cc1 | 3988 | void *hdr; |
3989 | struct nlattr *pinfoattr; | |
3990 | struct sk_buff *msg; | |
3991 | ||
29cbe68c JB |
3992 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
3993 | return -EOPNOTSUPP; | |
3994 | ||
24bdd9f4 | 3995 | if (!rdev->ops->get_mesh_config) |
4c476991 | 3996 | return -EOPNOTSUPP; |
f3f92586 | 3997 | |
29cbe68c JB |
3998 | wdev_lock(wdev); |
3999 | /* If not connected, get default parameters */ | |
4000 | if (!wdev->mesh_id_len) | |
4001 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4002 | else | |
e35e4d28 | 4003 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4004 | wdev_unlock(wdev); |
4005 | ||
93da9cc1 | 4006 | if (err) |
4c476991 | 4007 | return err; |
93da9cc1 | 4008 | |
4009 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4010 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4011 | if (!msg) |
4012 | return -ENOMEM; | |
15e47304 | 4013 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4014 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4015 | if (!hdr) |
efe1cf0c | 4016 | goto out; |
24bdd9f4 | 4017 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4018 | if (!pinfoattr) |
4019 | goto nla_put_failure; | |
9360ffd1 DM |
4020 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4021 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4022 | cur_params.dot11MeshRetryTimeout) || | |
4023 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4024 | cur_params.dot11MeshConfirmTimeout) || | |
4025 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4026 | cur_params.dot11MeshHoldingTimeout) || | |
4027 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4028 | cur_params.dot11MeshMaxPeerLinks) || | |
4029 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4030 | cur_params.dot11MeshMaxRetries) || | |
4031 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4032 | cur_params.dot11MeshTTL) || | |
4033 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4034 | cur_params.element_ttl) || | |
4035 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4036 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4037 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4038 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4039 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4040 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4041 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4042 | cur_params.path_refresh_time) || | |
4043 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4044 | cur_params.min_discovery_timeout) || | |
4045 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4046 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4047 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4048 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4049 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4050 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4051 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4052 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4053 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4054 | cur_params.dot11MeshHWMPRootMode) || | |
4055 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4056 | cur_params.dot11MeshHWMPRannInterval) || | |
4057 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4058 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4059 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4060 | cur_params.dot11MeshForwarding) || | |
4061 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4062 | cur_params.rssi_threshold) || |
4063 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4064 | cur_params.ht_opmode) || |
4065 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4066 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4067 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4068 | cur_params.dot11MeshHWMProotInterval) || |
4069 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4070 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4071 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4072 | cur_params.power_mode) || | |
4073 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
4074 | cur_params.dot11MeshAwakeWindowDuration)) | |
9360ffd1 | 4075 | goto nla_put_failure; |
93da9cc1 | 4076 | nla_nest_end(msg, pinfoattr); |
4077 | genlmsg_end(msg, hdr); | |
4c476991 | 4078 | return genlmsg_reply(msg, info); |
93da9cc1 | 4079 | |
3b85875a | 4080 | nla_put_failure: |
93da9cc1 | 4081 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4082 | out: |
d080e275 | 4083 | nlmsg_free(msg); |
4c476991 | 4084 | return -ENOBUFS; |
93da9cc1 | 4085 | } |
4086 | ||
b54452b0 | 4087 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4088 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4089 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4090 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4091 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4092 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4093 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4094 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4095 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4096 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4097 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4098 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4099 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4100 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4101 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4102 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4103 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4104 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4105 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4106 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4107 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4108 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4109 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4110 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4111 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4112 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4113 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4114 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
93da9cc1 | 4115 | }; |
4116 | ||
c80d545d JC |
4117 | static const struct nla_policy |
4118 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4119 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4120 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4121 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4122 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
581a8b0f | 4123 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4124 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4125 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4126 | }; |
4127 | ||
24bdd9f4 | 4128 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4129 | struct mesh_config *cfg, |
4130 | u32 *mask_out) | |
93da9cc1 | 4131 | { |
93da9cc1 | 4132 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4133 | u32 mask = 0; |
93da9cc1 | 4134 | |
ea54fba2 MP |
4135 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4136 | do { \ | |
4137 | if (tb[attr]) { \ | |
4138 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4139 | return -EINVAL; \ | |
4140 | cfg->param = fn(tb[attr]); \ | |
4141 | mask |= (1 << (attr - 1)); \ | |
4142 | } \ | |
4143 | } while (0) | |
bd90fdcc JB |
4144 | |
4145 | ||
24bdd9f4 | 4146 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4147 | return -EINVAL; |
4148 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4149 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4150 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4151 | return -EINVAL; |
4152 | ||
93da9cc1 | 4153 | /* This makes sure that there aren't more than 32 mesh config |
4154 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4155 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4156 | ||
4157 | /* Fill in the params struct */ | |
ea54fba2 | 4158 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4159 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4160 | nla_get_u16); | |
ea54fba2 | 4161 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4162 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4163 | nla_get_u16); | |
ea54fba2 | 4164 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4165 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4166 | nla_get_u16); | |
ea54fba2 | 4167 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4168 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4169 | nla_get_u16); | |
ea54fba2 | 4170 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4171 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4172 | nla_get_u8); | |
ea54fba2 | 4173 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4174 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4175 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4176 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4177 | nla_get_u8); | |
ea54fba2 | 4178 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4179 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4180 | nla_get_u8); | |
ea54fba2 MP |
4181 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4182 | 1, 255, mask, | |
a4f606ea CYY |
4183 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4184 | nla_get_u32); | |
ea54fba2 | 4185 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4186 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4187 | nla_get_u8); | |
ea54fba2 | 4188 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4189 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4190 | nla_get_u32); | |
ea54fba2 | 4191 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4192 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4193 | nla_get_u16); | |
ea54fba2 MP |
4194 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4195 | 1, 65535, mask, | |
a4f606ea CYY |
4196 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4197 | nla_get_u32); | |
93da9cc1 | 4198 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4199 | 1, 65535, mask, |
4200 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4201 | nla_get_u16); |
dca7e943 | 4202 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4203 | 1, 65535, mask, |
4204 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4205 | nla_get_u16); |
93da9cc1 | 4206 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4207 | dot11MeshHWMPnetDiameterTraversalTime, |
4208 | 1, 65535, mask, | |
a4f606ea CYY |
4209 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
4210 | nla_get_u16); | |
ea54fba2 MP |
4211 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
4212 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4213 | nla_get_u8); | |
4214 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
4215 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 4216 | nla_get_u16); |
63c5723b | 4217 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4218 | dot11MeshGateAnnouncementProtocol, 0, 1, |
4219 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 4220 | nla_get_u8); |
ea54fba2 | 4221 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
4222 | mask, NL80211_MESHCONF_FORWARDING, |
4223 | nla_get_u8); | |
ea54fba2 | 4224 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, 1, 255, |
a4f606ea CYY |
4225 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
4226 | nla_get_u32); | |
ea54fba2 | 4227 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 4228 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
4229 | nla_get_u16); |
4230 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 4231 | 1, 65535, mask, |
ac1073a6 CYY |
4232 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
4233 | nla_get_u32); | |
ea54fba2 | 4234 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 4235 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
4236 | nla_get_u16); |
4237 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
4238 | dot11MeshHWMPconfirmationInterval, |
4239 | 1, 65535, mask, | |
728b19e5 | 4240 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 4241 | nla_get_u16); |
3b1c5a53 MP |
4242 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
4243 | NL80211_MESH_POWER_ACTIVE, | |
4244 | NL80211_MESH_POWER_MAX, | |
4245 | mask, NL80211_MESHCONF_POWER_MODE, | |
4246 | nla_get_u32); | |
4247 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
4248 | 0, 65535, mask, | |
4249 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
bd90fdcc JB |
4250 | if (mask_out) |
4251 | *mask_out = mask; | |
c80d545d | 4252 | |
bd90fdcc JB |
4253 | return 0; |
4254 | ||
4255 | #undef FILL_IN_MESH_PARAM_IF_SET | |
4256 | } | |
4257 | ||
c80d545d JC |
4258 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
4259 | struct mesh_setup *setup) | |
4260 | { | |
4261 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; | |
4262 | ||
4263 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
4264 | return -EINVAL; | |
4265 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
4266 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
4267 | nl80211_mesh_setup_params_policy)) | |
4268 | return -EINVAL; | |
4269 | ||
d299a1f2 JC |
4270 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
4271 | setup->sync_method = | |
4272 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
4273 | IEEE80211_SYNC_METHOD_VENDOR : | |
4274 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
4275 | ||
c80d545d JC |
4276 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
4277 | setup->path_sel_proto = | |
4278 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
4279 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
4280 | IEEE80211_PATH_PROTOCOL_HWMP; | |
4281 | ||
4282 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
4283 | setup->path_metric = | |
4284 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
4285 | IEEE80211_PATH_METRIC_VENDOR : | |
4286 | IEEE80211_PATH_METRIC_AIRTIME; | |
4287 | ||
581a8b0f JC |
4288 | |
4289 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 4290 | struct nlattr *ieattr = |
581a8b0f | 4291 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
4292 | if (!is_valid_ie_attr(ieattr)) |
4293 | return -EINVAL; | |
581a8b0f JC |
4294 | setup->ie = nla_data(ieattr); |
4295 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 4296 | } |
b130e5ce JC |
4297 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
4298 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
c80d545d JC |
4299 | |
4300 | return 0; | |
4301 | } | |
4302 | ||
24bdd9f4 | 4303 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 4304 | struct genl_info *info) |
bd90fdcc JB |
4305 | { |
4306 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4307 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 4308 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
4309 | struct mesh_config cfg; |
4310 | u32 mask; | |
4311 | int err; | |
4312 | ||
29cbe68c JB |
4313 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4314 | return -EOPNOTSUPP; | |
4315 | ||
24bdd9f4 | 4316 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
4317 | return -EOPNOTSUPP; |
4318 | ||
24bdd9f4 | 4319 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
4320 | if (err) |
4321 | return err; | |
4322 | ||
29cbe68c JB |
4323 | wdev_lock(wdev); |
4324 | if (!wdev->mesh_id_len) | |
4325 | err = -ENOLINK; | |
4326 | ||
4327 | if (!err) | |
e35e4d28 | 4328 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
4329 | |
4330 | wdev_unlock(wdev); | |
4331 | ||
4332 | return err; | |
93da9cc1 | 4333 | } |
4334 | ||
f130347c LR |
4335 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
4336 | { | |
458f4f9e | 4337 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
4338 | struct sk_buff *msg; |
4339 | void *hdr = NULL; | |
4340 | struct nlattr *nl_reg_rules; | |
4341 | unsigned int i; | |
4342 | int err = -EINVAL; | |
4343 | ||
a1794390 | 4344 | mutex_lock(&cfg80211_mutex); |
f130347c LR |
4345 | |
4346 | if (!cfg80211_regdomain) | |
4347 | goto out; | |
4348 | ||
fd2120ca | 4349 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
f130347c LR |
4350 | if (!msg) { |
4351 | err = -ENOBUFS; | |
4352 | goto out; | |
4353 | } | |
4354 | ||
15e47304 | 4355 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
4356 | NL80211_CMD_GET_REG); |
4357 | if (!hdr) | |
efe1cf0c | 4358 | goto put_failure; |
f130347c | 4359 | |
57b5ce07 LR |
4360 | if (reg_last_request_cell_base() && |
4361 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
4362 | NL80211_USER_REG_HINT_CELL_BASE)) | |
4363 | goto nla_put_failure; | |
4364 | ||
458f4f9e JB |
4365 | rcu_read_lock(); |
4366 | regdom = rcu_dereference(cfg80211_regdomain); | |
4367 | ||
4368 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
4369 | (regdom->dfs_region && | |
4370 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
4371 | goto nla_put_failure_rcu; | |
4372 | ||
f130347c LR |
4373 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
4374 | if (!nl_reg_rules) | |
458f4f9e | 4375 | goto nla_put_failure_rcu; |
f130347c | 4376 | |
458f4f9e | 4377 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
4378 | struct nlattr *nl_reg_rule; |
4379 | const struct ieee80211_reg_rule *reg_rule; | |
4380 | const struct ieee80211_freq_range *freq_range; | |
4381 | const struct ieee80211_power_rule *power_rule; | |
4382 | ||
458f4f9e | 4383 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
4384 | freq_range = ®_rule->freq_range; |
4385 | power_rule = ®_rule->power_rule; | |
4386 | ||
4387 | nl_reg_rule = nla_nest_start(msg, i); | |
4388 | if (!nl_reg_rule) | |
458f4f9e | 4389 | goto nla_put_failure_rcu; |
f130347c | 4390 | |
9360ffd1 DM |
4391 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
4392 | reg_rule->flags) || | |
4393 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
4394 | freq_range->start_freq_khz) || | |
4395 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
4396 | freq_range->end_freq_khz) || | |
4397 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
4398 | freq_range->max_bandwidth_khz) || | |
4399 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
4400 | power_rule->max_antenna_gain) || | |
4401 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
4402 | power_rule->max_eirp)) | |
458f4f9e | 4403 | goto nla_put_failure_rcu; |
f130347c LR |
4404 | |
4405 | nla_nest_end(msg, nl_reg_rule); | |
4406 | } | |
458f4f9e | 4407 | rcu_read_unlock(); |
f130347c LR |
4408 | |
4409 | nla_nest_end(msg, nl_reg_rules); | |
4410 | ||
4411 | genlmsg_end(msg, hdr); | |
134e6375 | 4412 | err = genlmsg_reply(msg, info); |
f130347c LR |
4413 | goto out; |
4414 | ||
458f4f9e JB |
4415 | nla_put_failure_rcu: |
4416 | rcu_read_unlock(); | |
f130347c LR |
4417 | nla_put_failure: |
4418 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 4419 | put_failure: |
d080e275 | 4420 | nlmsg_free(msg); |
f130347c LR |
4421 | err = -EMSGSIZE; |
4422 | out: | |
a1794390 | 4423 | mutex_unlock(&cfg80211_mutex); |
f130347c LR |
4424 | return err; |
4425 | } | |
4426 | ||
b2e1b302 LR |
4427 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
4428 | { | |
4429 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
4430 | struct nlattr *nl_reg_rule; | |
4431 | char *alpha2 = NULL; | |
4432 | int rem_reg_rules = 0, r = 0; | |
4433 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
8b60b078 | 4434 | u8 dfs_region = 0; |
b2e1b302 LR |
4435 | struct ieee80211_regdomain *rd = NULL; |
4436 | ||
4437 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
4438 | return -EINVAL; | |
4439 | ||
4440 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
4441 | return -EINVAL; | |
4442 | ||
4443 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4444 | ||
8b60b078 LR |
4445 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
4446 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
4447 | ||
b2e1b302 | 4448 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 4449 | rem_reg_rules) { |
b2e1b302 LR |
4450 | num_rules++; |
4451 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 4452 | return -EINVAL; |
b2e1b302 LR |
4453 | } |
4454 | ||
b2e1b302 | 4455 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 4456 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
4457 | |
4458 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
4459 | if (!rd) |
4460 | return -ENOMEM; | |
b2e1b302 LR |
4461 | |
4462 | rd->n_reg_rules = num_rules; | |
4463 | rd->alpha2[0] = alpha2[0]; | |
4464 | rd->alpha2[1] = alpha2[1]; | |
4465 | ||
8b60b078 LR |
4466 | /* |
4467 | * Disable DFS master mode if the DFS region was | |
4468 | * not supported or known on this kernel. | |
4469 | */ | |
4470 | if (reg_supported_dfs_region(dfs_region)) | |
4471 | rd->dfs_region = dfs_region; | |
4472 | ||
b2e1b302 | 4473 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 4474 | rem_reg_rules) { |
b2e1b302 | 4475 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
1a919318 JB |
4476 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), |
4477 | reg_rule_policy); | |
b2e1b302 LR |
4478 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
4479 | if (r) | |
4480 | goto bad_reg; | |
4481 | ||
4482 | rule_idx++; | |
4483 | ||
d0e18f83 LR |
4484 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
4485 | r = -EINVAL; | |
b2e1b302 | 4486 | goto bad_reg; |
d0e18f83 | 4487 | } |
b2e1b302 LR |
4488 | } |
4489 | ||
6913b49a JB |
4490 | mutex_lock(&cfg80211_mutex); |
4491 | ||
b2e1b302 | 4492 | r = set_regdom(rd); |
6913b49a | 4493 | /* set_regdom took ownership */ |
1a919318 | 4494 | rd = NULL; |
6913b49a | 4495 | mutex_unlock(&cfg80211_mutex); |
b2e1b302 | 4496 | |
d2372b31 | 4497 | bad_reg: |
b2e1b302 | 4498 | kfree(rd); |
d0e18f83 | 4499 | return r; |
b2e1b302 LR |
4500 | } |
4501 | ||
83f5e2cf JB |
4502 | static int validate_scan_freqs(struct nlattr *freqs) |
4503 | { | |
4504 | struct nlattr *attr1, *attr2; | |
4505 | int n_channels = 0, tmp1, tmp2; | |
4506 | ||
4507 | nla_for_each_nested(attr1, freqs, tmp1) { | |
4508 | n_channels++; | |
4509 | /* | |
4510 | * Some hardware has a limited channel list for | |
4511 | * scanning, and it is pretty much nonsensical | |
4512 | * to scan for a channel twice, so disallow that | |
4513 | * and don't require drivers to check that the | |
4514 | * channel list they get isn't longer than what | |
4515 | * they can scan, as long as they can scan all | |
4516 | * the channels they registered at once. | |
4517 | */ | |
4518 | nla_for_each_nested(attr2, freqs, tmp2) | |
4519 | if (attr1 != attr2 && | |
4520 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
4521 | return 0; | |
4522 | } | |
4523 | ||
4524 | return n_channels; | |
4525 | } | |
4526 | ||
2a519311 JB |
4527 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
4528 | { | |
4c476991 | 4529 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 4530 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 4531 | struct cfg80211_scan_request *request; |
2a519311 JB |
4532 | struct nlattr *attr; |
4533 | struct wiphy *wiphy; | |
83f5e2cf | 4534 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 4535 | size_t ie_len; |
2a519311 | 4536 | |
f4a11bb0 JB |
4537 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
4538 | return -EINVAL; | |
4539 | ||
79c97e97 | 4540 | wiphy = &rdev->wiphy; |
2a519311 | 4541 | |
4c476991 JB |
4542 | if (!rdev->ops->scan) |
4543 | return -EOPNOTSUPP; | |
2a519311 | 4544 | |
4c476991 JB |
4545 | if (rdev->scan_req) |
4546 | return -EBUSY; | |
2a519311 JB |
4547 | |
4548 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
4549 | n_channels = validate_scan_freqs( |
4550 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
4c476991 JB |
4551 | if (!n_channels) |
4552 | return -EINVAL; | |
2a519311 | 4553 | } else { |
34850ab2 | 4554 | enum ieee80211_band band; |
83f5e2cf JB |
4555 | n_channels = 0; |
4556 | ||
2a519311 JB |
4557 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
4558 | if (wiphy->bands[band]) | |
4559 | n_channels += wiphy->bands[band]->n_channels; | |
4560 | } | |
4561 | ||
4562 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
4563 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
4564 | n_ssids++; | |
4565 | ||
4c476991 JB |
4566 | if (n_ssids > wiphy->max_scan_ssids) |
4567 | return -EINVAL; | |
2a519311 | 4568 | |
70692ad2 JM |
4569 | if (info->attrs[NL80211_ATTR_IE]) |
4570 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4571 | else | |
4572 | ie_len = 0; | |
4573 | ||
4c476991 JB |
4574 | if (ie_len > wiphy->max_scan_ie_len) |
4575 | return -EINVAL; | |
18a83659 | 4576 | |
2a519311 | 4577 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
4578 | + sizeof(*request->ssids) * n_ssids |
4579 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 4580 | + ie_len, GFP_KERNEL); |
4c476991 JB |
4581 | if (!request) |
4582 | return -ENOMEM; | |
2a519311 | 4583 | |
2a519311 | 4584 | if (n_ssids) |
5ba63533 | 4585 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 4586 | request->n_ssids = n_ssids; |
70692ad2 JM |
4587 | if (ie_len) { |
4588 | if (request->ssids) | |
4589 | request->ie = (void *)(request->ssids + n_ssids); | |
4590 | else | |
4591 | request->ie = (void *)(request->channels + n_channels); | |
4592 | } | |
2a519311 | 4593 | |
584991dc | 4594 | i = 0; |
2a519311 JB |
4595 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
4596 | /* user specified, bail out if channel not found */ | |
2a519311 | 4597 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
4598 | struct ieee80211_channel *chan; |
4599 | ||
4600 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
4601 | ||
4602 | if (!chan) { | |
2a519311 JB |
4603 | err = -EINVAL; |
4604 | goto out_free; | |
4605 | } | |
584991dc JB |
4606 | |
4607 | /* ignore disabled channels */ | |
4608 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
4609 | continue; | |
4610 | ||
4611 | request->channels[i] = chan; | |
2a519311 JB |
4612 | i++; |
4613 | } | |
4614 | } else { | |
34850ab2 JB |
4615 | enum ieee80211_band band; |
4616 | ||
2a519311 | 4617 | /* all channels */ |
2a519311 JB |
4618 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
4619 | int j; | |
4620 | if (!wiphy->bands[band]) | |
4621 | continue; | |
4622 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
4623 | struct ieee80211_channel *chan; |
4624 | ||
4625 | chan = &wiphy->bands[band]->channels[j]; | |
4626 | ||
4627 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
4628 | continue; | |
4629 | ||
4630 | request->channels[i] = chan; | |
2a519311 JB |
4631 | i++; |
4632 | } | |
4633 | } | |
4634 | } | |
4635 | ||
584991dc JB |
4636 | if (!i) { |
4637 | err = -EINVAL; | |
4638 | goto out_free; | |
4639 | } | |
4640 | ||
4641 | request->n_channels = i; | |
4642 | ||
2a519311 JB |
4643 | i = 0; |
4644 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
4645 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 4646 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
4647 | err = -EINVAL; |
4648 | goto out_free; | |
4649 | } | |
57a27e1d | 4650 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 4651 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
4652 | i++; |
4653 | } | |
4654 | } | |
4655 | ||
70692ad2 JM |
4656 | if (info->attrs[NL80211_ATTR_IE]) { |
4657 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
4658 | memcpy((void *)request->ie, |
4659 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
4660 | request->ie_len); |
4661 | } | |
4662 | ||
34850ab2 | 4663 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
4664 | if (wiphy->bands[i]) |
4665 | request->rates[i] = | |
4666 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
4667 | |
4668 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
4669 | nla_for_each_nested(attr, | |
4670 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
4671 | tmp) { | |
4672 | enum ieee80211_band band = nla_type(attr); | |
4673 | ||
84404623 | 4674 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
4675 | err = -EINVAL; |
4676 | goto out_free; | |
4677 | } | |
4678 | err = ieee80211_get_ratemask(wiphy->bands[band], | |
4679 | nla_data(attr), | |
4680 | nla_len(attr), | |
4681 | &request->rates[band]); | |
4682 | if (err) | |
4683 | goto out_free; | |
4684 | } | |
4685 | } | |
4686 | ||
46856bbf | 4687 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
4688 | request->flags = nla_get_u32( |
4689 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
4690 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
4691 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
4692 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
4693 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
4694 | err = -EOPNOTSUPP; |
4695 | goto out_free; | |
4696 | } | |
4697 | } | |
ed473771 | 4698 | |
e9f935e3 RM |
4699 | request->no_cck = |
4700 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
4701 | ||
fd014284 | 4702 | request->wdev = wdev; |
79c97e97 | 4703 | request->wiphy = &rdev->wiphy; |
15d6030b | 4704 | request->scan_start = jiffies; |
2a519311 | 4705 | |
79c97e97 | 4706 | rdev->scan_req = request; |
e35e4d28 | 4707 | err = rdev_scan(rdev, request); |
2a519311 | 4708 | |
463d0183 | 4709 | if (!err) { |
fd014284 JB |
4710 | nl80211_send_scan_start(rdev, wdev); |
4711 | if (wdev->netdev) | |
4712 | dev_hold(wdev->netdev); | |
4c476991 | 4713 | } else { |
2a519311 | 4714 | out_free: |
79c97e97 | 4715 | rdev->scan_req = NULL; |
2a519311 JB |
4716 | kfree(request); |
4717 | } | |
3b85875a | 4718 | |
2a519311 JB |
4719 | return err; |
4720 | } | |
4721 | ||
807f8a8c LC |
4722 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
4723 | struct genl_info *info) | |
4724 | { | |
4725 | struct cfg80211_sched_scan_request *request; | |
4726 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4727 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
4728 | struct nlattr *attr; |
4729 | struct wiphy *wiphy; | |
a1f1c21c | 4730 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 4731 | u32 interval; |
807f8a8c LC |
4732 | enum ieee80211_band band; |
4733 | size_t ie_len; | |
a1f1c21c | 4734 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
4735 | |
4736 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
4737 | !rdev->ops->sched_scan_start) | |
4738 | return -EOPNOTSUPP; | |
4739 | ||
4740 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
4741 | return -EINVAL; | |
4742 | ||
bbe6ad6d LC |
4743 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
4744 | return -EINVAL; | |
4745 | ||
4746 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
4747 | if (interval == 0) | |
4748 | return -EINVAL; | |
4749 | ||
807f8a8c LC |
4750 | wiphy = &rdev->wiphy; |
4751 | ||
4752 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
4753 | n_channels = validate_scan_freqs( | |
4754 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
4755 | if (!n_channels) | |
4756 | return -EINVAL; | |
4757 | } else { | |
4758 | n_channels = 0; | |
4759 | ||
4760 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
4761 | if (wiphy->bands[band]) | |
4762 | n_channels += wiphy->bands[band]->n_channels; | |
4763 | } | |
4764 | ||
4765 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
4766 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
4767 | tmp) | |
4768 | n_ssids++; | |
4769 | ||
93b6aa69 | 4770 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
4771 | return -EINVAL; |
4772 | ||
a1f1c21c LC |
4773 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
4774 | nla_for_each_nested(attr, | |
4775 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
4776 | tmp) | |
4777 | n_match_sets++; | |
4778 | ||
4779 | if (n_match_sets > wiphy->max_match_sets) | |
4780 | return -EINVAL; | |
4781 | ||
807f8a8c LC |
4782 | if (info->attrs[NL80211_ATTR_IE]) |
4783 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4784 | else | |
4785 | ie_len = 0; | |
4786 | ||
5a865bad | 4787 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
4788 | return -EINVAL; |
4789 | ||
c10841ca LC |
4790 | mutex_lock(&rdev->sched_scan_mtx); |
4791 | ||
4792 | if (rdev->sched_scan_req) { | |
4793 | err = -EINPROGRESS; | |
4794 | goto out; | |
4795 | } | |
4796 | ||
807f8a8c | 4797 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 4798 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 4799 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 4800 | + sizeof(*request->channels) * n_channels |
807f8a8c | 4801 | + ie_len, GFP_KERNEL); |
c10841ca LC |
4802 | if (!request) { |
4803 | err = -ENOMEM; | |
4804 | goto out; | |
4805 | } | |
807f8a8c LC |
4806 | |
4807 | if (n_ssids) | |
4808 | request->ssids = (void *)&request->channels[n_channels]; | |
4809 | request->n_ssids = n_ssids; | |
4810 | if (ie_len) { | |
4811 | if (request->ssids) | |
4812 | request->ie = (void *)(request->ssids + n_ssids); | |
4813 | else | |
4814 | request->ie = (void *)(request->channels + n_channels); | |
4815 | } | |
4816 | ||
a1f1c21c LC |
4817 | if (n_match_sets) { |
4818 | if (request->ie) | |
4819 | request->match_sets = (void *)(request->ie + ie_len); | |
4820 | else if (request->ssids) | |
4821 | request->match_sets = | |
4822 | (void *)(request->ssids + n_ssids); | |
4823 | else | |
4824 | request->match_sets = | |
4825 | (void *)(request->channels + n_channels); | |
4826 | } | |
4827 | request->n_match_sets = n_match_sets; | |
4828 | ||
807f8a8c LC |
4829 | i = 0; |
4830 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
4831 | /* user specified, bail out if channel not found */ | |
4832 | nla_for_each_nested(attr, | |
4833 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
4834 | tmp) { | |
4835 | struct ieee80211_channel *chan; | |
4836 | ||
4837 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
4838 | ||
4839 | if (!chan) { | |
4840 | err = -EINVAL; | |
4841 | goto out_free; | |
4842 | } | |
4843 | ||
4844 | /* ignore disabled channels */ | |
4845 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
4846 | continue; | |
4847 | ||
4848 | request->channels[i] = chan; | |
4849 | i++; | |
4850 | } | |
4851 | } else { | |
4852 | /* all channels */ | |
4853 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
4854 | int j; | |
4855 | if (!wiphy->bands[band]) | |
4856 | continue; | |
4857 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
4858 | struct ieee80211_channel *chan; | |
4859 | ||
4860 | chan = &wiphy->bands[band]->channels[j]; | |
4861 | ||
4862 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
4863 | continue; | |
4864 | ||
4865 | request->channels[i] = chan; | |
4866 | i++; | |
4867 | } | |
4868 | } | |
4869 | } | |
4870 | ||
4871 | if (!i) { | |
4872 | err = -EINVAL; | |
4873 | goto out_free; | |
4874 | } | |
4875 | ||
4876 | request->n_channels = i; | |
4877 | ||
4878 | i = 0; | |
4879 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
4880 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
4881 | tmp) { | |
57a27e1d | 4882 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
4883 | err = -EINVAL; |
4884 | goto out_free; | |
4885 | } | |
57a27e1d | 4886 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
4887 | memcpy(request->ssids[i].ssid, nla_data(attr), |
4888 | nla_len(attr)); | |
807f8a8c LC |
4889 | i++; |
4890 | } | |
4891 | } | |
4892 | ||
a1f1c21c LC |
4893 | i = 0; |
4894 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
4895 | nla_for_each_nested(attr, | |
4896 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
4897 | tmp) { | |
88e920b4 | 4898 | struct nlattr *ssid, *rssi; |
a1f1c21c LC |
4899 | |
4900 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
4901 | nla_data(attr), nla_len(attr), | |
4902 | nl80211_match_policy); | |
4a4ab0d7 | 4903 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c LC |
4904 | if (ssid) { |
4905 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
4906 | err = -EINVAL; | |
4907 | goto out_free; | |
4908 | } | |
4909 | memcpy(request->match_sets[i].ssid.ssid, | |
4910 | nla_data(ssid), nla_len(ssid)); | |
4911 | request->match_sets[i].ssid.ssid_len = | |
4912 | nla_len(ssid); | |
4913 | } | |
88e920b4 TP |
4914 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; |
4915 | if (rssi) | |
4916 | request->rssi_thold = nla_get_u32(rssi); | |
4917 | else | |
4918 | request->rssi_thold = | |
4919 | NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
4920 | i++; |
4921 | } | |
4922 | } | |
4923 | ||
807f8a8c LC |
4924 | if (info->attrs[NL80211_ATTR_IE]) { |
4925 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
4926 | memcpy((void *)request->ie, | |
4927 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
4928 | request->ie_len); | |
4929 | } | |
4930 | ||
46856bbf | 4931 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
4932 | request->flags = nla_get_u32( |
4933 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
4934 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
4935 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
4936 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
4937 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
4938 | err = -EOPNOTSUPP; |
4939 | goto out_free; | |
4940 | } | |
4941 | } | |
ed473771 | 4942 | |
807f8a8c LC |
4943 | request->dev = dev; |
4944 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 4945 | request->interval = interval; |
15d6030b | 4946 | request->scan_start = jiffies; |
807f8a8c | 4947 | |
e35e4d28 | 4948 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
4949 | if (!err) { |
4950 | rdev->sched_scan_req = request; | |
4951 | nl80211_send_sched_scan(rdev, dev, | |
4952 | NL80211_CMD_START_SCHED_SCAN); | |
4953 | goto out; | |
4954 | } | |
4955 | ||
4956 | out_free: | |
4957 | kfree(request); | |
4958 | out: | |
c10841ca | 4959 | mutex_unlock(&rdev->sched_scan_mtx); |
807f8a8c LC |
4960 | return err; |
4961 | } | |
4962 | ||
4963 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
4964 | struct genl_info *info) | |
4965 | { | |
4966 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
c10841ca | 4967 | int err; |
807f8a8c LC |
4968 | |
4969 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
4970 | !rdev->ops->sched_scan_stop) | |
4971 | return -EOPNOTSUPP; | |
4972 | ||
c10841ca LC |
4973 | mutex_lock(&rdev->sched_scan_mtx); |
4974 | err = __cfg80211_stop_sched_scan(rdev, false); | |
4975 | mutex_unlock(&rdev->sched_scan_mtx); | |
4976 | ||
4977 | return err; | |
807f8a8c LC |
4978 | } |
4979 | ||
9720bb3a JB |
4980 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
4981 | u32 seq, int flags, | |
2a519311 | 4982 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
4983 | struct wireless_dev *wdev, |
4984 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 4985 | { |
48ab905d | 4986 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 4987 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
4988 | void *hdr; |
4989 | struct nlattr *bss; | |
48ab905d JB |
4990 | |
4991 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 4992 | |
15e47304 | 4993 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
4994 | NL80211_CMD_NEW_SCAN_RESULTS); |
4995 | if (!hdr) | |
4996 | return -1; | |
4997 | ||
9720bb3a JB |
4998 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
4999 | ||
9360ffd1 DM |
5000 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation) || |
5001 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) | |
5002 | goto nla_put_failure; | |
2a519311 JB |
5003 | |
5004 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
5005 | if (!bss) | |
5006 | goto nla_put_failure; | |
9360ffd1 | 5007 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 5008 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 5009 | goto nla_put_failure; |
9caf0364 JB |
5010 | |
5011 | rcu_read_lock(); | |
5012 | ies = rcu_dereference(res->ies); | |
5013 | if (ies && ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
5014 | ies->len, ies->data)) { | |
5015 | rcu_read_unlock(); | |
5016 | goto nla_put_failure; | |
5017 | } | |
5018 | ies = rcu_dereference(res->beacon_ies); | |
5019 | if (ies && ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
5020 | ies->len, ies->data)) { | |
5021 | rcu_read_unlock(); | |
5022 | goto nla_put_failure; | |
5023 | } | |
5024 | rcu_read_unlock(); | |
5025 | ||
9360ffd1 DM |
5026 | if (res->tsf && |
5027 | nla_put_u64(msg, NL80211_BSS_TSF, res->tsf)) | |
5028 | goto nla_put_failure; | |
5029 | if (res->beacon_interval && | |
5030 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
5031 | goto nla_put_failure; | |
5032 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
5033 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
5034 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, | |
5035 | jiffies_to_msecs(jiffies - intbss->ts))) | |
5036 | goto nla_put_failure; | |
2a519311 | 5037 | |
77965c97 | 5038 | switch (rdev->wiphy.signal_type) { |
2a519311 | 5039 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
5040 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
5041 | goto nla_put_failure; | |
2a519311 JB |
5042 | break; |
5043 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
5044 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
5045 | goto nla_put_failure; | |
2a519311 JB |
5046 | break; |
5047 | default: | |
5048 | break; | |
5049 | } | |
5050 | ||
48ab905d | 5051 | switch (wdev->iftype) { |
074ac8df | 5052 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 5053 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
5054 | if (intbss == wdev->current_bss && |
5055 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5056 | NL80211_BSS_STATUS_ASSOCIATED)) | |
5057 | goto nla_put_failure; | |
48ab905d JB |
5058 | break; |
5059 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
5060 | if (intbss == wdev->current_bss && |
5061 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5062 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
5063 | goto nla_put_failure; | |
48ab905d JB |
5064 | break; |
5065 | default: | |
5066 | break; | |
5067 | } | |
5068 | ||
2a519311 JB |
5069 | nla_nest_end(msg, bss); |
5070 | ||
5071 | return genlmsg_end(msg, hdr); | |
5072 | ||
5073 | nla_put_failure: | |
5074 | genlmsg_cancel(msg, hdr); | |
5075 | return -EMSGSIZE; | |
5076 | } | |
5077 | ||
5078 | static int nl80211_dump_scan(struct sk_buff *skb, | |
5079 | struct netlink_callback *cb) | |
5080 | { | |
48ab905d JB |
5081 | struct cfg80211_registered_device *rdev; |
5082 | struct net_device *dev; | |
2a519311 | 5083 | struct cfg80211_internal_bss *scan; |
48ab905d | 5084 | struct wireless_dev *wdev; |
2a519311 JB |
5085 | int start = cb->args[1], idx = 0; |
5086 | int err; | |
5087 | ||
67748893 JB |
5088 | err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev); |
5089 | if (err) | |
5090 | return err; | |
2a519311 | 5091 | |
48ab905d | 5092 | wdev = dev->ieee80211_ptr; |
2a519311 | 5093 | |
48ab905d JB |
5094 | wdev_lock(wdev); |
5095 | spin_lock_bh(&rdev->bss_lock); | |
5096 | cfg80211_bss_expire(rdev); | |
5097 | ||
9720bb3a JB |
5098 | cb->seq = rdev->bss_generation; |
5099 | ||
48ab905d | 5100 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
5101 | if (++idx <= start) |
5102 | continue; | |
9720bb3a | 5103 | if (nl80211_send_bss(skb, cb, |
2a519311 | 5104 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 5105 | rdev, wdev, scan) < 0) { |
2a519311 | 5106 | idx--; |
67748893 | 5107 | break; |
2a519311 JB |
5108 | } |
5109 | } | |
5110 | ||
48ab905d JB |
5111 | spin_unlock_bh(&rdev->bss_lock); |
5112 | wdev_unlock(wdev); | |
2a519311 JB |
5113 | |
5114 | cb->args[1] = idx; | |
67748893 | 5115 | nl80211_finish_netdev_dump(rdev); |
2a519311 | 5116 | |
67748893 | 5117 | return skb->len; |
2a519311 JB |
5118 | } |
5119 | ||
15e47304 | 5120 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
5121 | int flags, struct net_device *dev, |
5122 | struct survey_info *survey) | |
5123 | { | |
5124 | void *hdr; | |
5125 | struct nlattr *infoattr; | |
5126 | ||
15e47304 | 5127 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
5128 | NL80211_CMD_NEW_SURVEY_RESULTS); |
5129 | if (!hdr) | |
5130 | return -ENOMEM; | |
5131 | ||
9360ffd1 DM |
5132 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
5133 | goto nla_put_failure; | |
61fa713c HS |
5134 | |
5135 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
5136 | if (!infoattr) | |
5137 | goto nla_put_failure; | |
5138 | ||
9360ffd1 DM |
5139 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
5140 | survey->channel->center_freq)) | |
5141 | goto nla_put_failure; | |
5142 | ||
5143 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
5144 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
5145 | goto nla_put_failure; | |
5146 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
5147 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
5148 | goto nla_put_failure; | |
5149 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
5150 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
5151 | survey->channel_time)) | |
5152 | goto nla_put_failure; | |
5153 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
5154 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
5155 | survey->channel_time_busy)) | |
5156 | goto nla_put_failure; | |
5157 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
5158 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
5159 | survey->channel_time_ext_busy)) | |
5160 | goto nla_put_failure; | |
5161 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
5162 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
5163 | survey->channel_time_rx)) | |
5164 | goto nla_put_failure; | |
5165 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
5166 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
5167 | survey->channel_time_tx)) | |
5168 | goto nla_put_failure; | |
61fa713c HS |
5169 | |
5170 | nla_nest_end(msg, infoattr); | |
5171 | ||
5172 | return genlmsg_end(msg, hdr); | |
5173 | ||
5174 | nla_put_failure: | |
5175 | genlmsg_cancel(msg, hdr); | |
5176 | return -EMSGSIZE; | |
5177 | } | |
5178 | ||
5179 | static int nl80211_dump_survey(struct sk_buff *skb, | |
5180 | struct netlink_callback *cb) | |
5181 | { | |
5182 | struct survey_info survey; | |
5183 | struct cfg80211_registered_device *dev; | |
5184 | struct net_device *netdev; | |
61fa713c HS |
5185 | int survey_idx = cb->args[1]; |
5186 | int res; | |
5187 | ||
67748893 JB |
5188 | res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
5189 | if (res) | |
5190 | return res; | |
61fa713c HS |
5191 | |
5192 | if (!dev->ops->dump_survey) { | |
5193 | res = -EOPNOTSUPP; | |
5194 | goto out_err; | |
5195 | } | |
5196 | ||
5197 | while (1) { | |
180cdc79 LR |
5198 | struct ieee80211_channel *chan; |
5199 | ||
e35e4d28 | 5200 | res = rdev_dump_survey(dev, netdev, survey_idx, &survey); |
61fa713c HS |
5201 | if (res == -ENOENT) |
5202 | break; | |
5203 | if (res) | |
5204 | goto out_err; | |
5205 | ||
180cdc79 LR |
5206 | /* Survey without a channel doesn't make sense */ |
5207 | if (!survey.channel) { | |
5208 | res = -EINVAL; | |
5209 | goto out; | |
5210 | } | |
5211 | ||
5212 | chan = ieee80211_get_channel(&dev->wiphy, | |
5213 | survey.channel->center_freq); | |
5214 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
5215 | survey_idx++; | |
5216 | continue; | |
5217 | } | |
5218 | ||
61fa713c | 5219 | if (nl80211_send_survey(skb, |
15e47304 | 5220 | NETLINK_CB(cb->skb).portid, |
61fa713c HS |
5221 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
5222 | netdev, | |
5223 | &survey) < 0) | |
5224 | goto out; | |
5225 | survey_idx++; | |
5226 | } | |
5227 | ||
5228 | out: | |
5229 | cb->args[1] = survey_idx; | |
5230 | res = skb->len; | |
5231 | out_err: | |
67748893 | 5232 | nl80211_finish_netdev_dump(dev); |
61fa713c HS |
5233 | return res; |
5234 | } | |
5235 | ||
b23aa676 SO |
5236 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
5237 | { | |
5238 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
5239 | NL80211_WPA_VERSION_2)); | |
5240 | } | |
5241 | ||
636a5d36 JM |
5242 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
5243 | { | |
4c476991 JB |
5244 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5245 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 5246 | struct ieee80211_channel *chan; |
e39e5b5e JM |
5247 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
5248 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 5249 | enum nl80211_auth_type auth_type; |
fffd0934 | 5250 | struct key_parse key; |
d5cdfacb | 5251 | bool local_state_change; |
636a5d36 | 5252 | |
f4a11bb0 JB |
5253 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5254 | return -EINVAL; | |
5255 | ||
5256 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5257 | return -EINVAL; | |
5258 | ||
1778092e JM |
5259 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
5260 | return -EINVAL; | |
5261 | ||
19957bb3 JB |
5262 | if (!info->attrs[NL80211_ATTR_SSID]) |
5263 | return -EINVAL; | |
5264 | ||
5265 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
5266 | return -EINVAL; | |
5267 | ||
fffd0934 JB |
5268 | err = nl80211_parse_key(info, &key); |
5269 | if (err) | |
5270 | return err; | |
5271 | ||
5272 | if (key.idx >= 0) { | |
e31b8213 JB |
5273 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
5274 | return -EINVAL; | |
fffd0934 JB |
5275 | if (!key.p.key || !key.p.key_len) |
5276 | return -EINVAL; | |
5277 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
5278 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
5279 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
5280 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
5281 | return -EINVAL; | |
5282 | if (key.idx > 4) | |
5283 | return -EINVAL; | |
5284 | } else { | |
5285 | key.p.key_len = 0; | |
5286 | key.p.key = NULL; | |
5287 | } | |
5288 | ||
afea0b7a JB |
5289 | if (key.idx >= 0) { |
5290 | int i; | |
5291 | bool ok = false; | |
5292 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
5293 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
5294 | ok = true; | |
5295 | break; | |
5296 | } | |
5297 | } | |
4c476991 JB |
5298 | if (!ok) |
5299 | return -EINVAL; | |
afea0b7a JB |
5300 | } |
5301 | ||
4c476991 JB |
5302 | if (!rdev->ops->auth) |
5303 | return -EOPNOTSUPP; | |
636a5d36 | 5304 | |
074ac8df | 5305 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5306 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5307 | return -EOPNOTSUPP; | |
eec60b03 | 5308 | |
19957bb3 | 5309 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 5310 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 5311 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
5312 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
5313 | return -EINVAL; | |
636a5d36 | 5314 | |
19957bb3 JB |
5315 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
5316 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
5317 | |
5318 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
5319 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
5320 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
5321 | } |
5322 | ||
19957bb3 | 5323 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 5324 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 5325 | return -EINVAL; |
636a5d36 | 5326 | |
e39e5b5e JM |
5327 | if (auth_type == NL80211_AUTHTYPE_SAE && |
5328 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
5329 | return -EINVAL; | |
5330 | ||
5331 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
5332 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
5333 | return -EINVAL; | |
5334 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
5335 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
5336 | /* need to include at least Auth Transaction and Status Code */ | |
5337 | if (sae_data_len < 4) | |
5338 | return -EINVAL; | |
5339 | } | |
5340 | ||
d5cdfacb JM |
5341 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
5342 | ||
95de817b JB |
5343 | /* |
5344 | * Since we no longer track auth state, ignore | |
5345 | * requests to only change local state. | |
5346 | */ | |
5347 | if (local_state_change) | |
5348 | return 0; | |
5349 | ||
4c476991 JB |
5350 | return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
5351 | ssid, ssid_len, ie, ie_len, | |
e39e5b5e JM |
5352 | key.p.key, key.p.key_len, key.idx, |
5353 | sae_data, sae_data_len); | |
636a5d36 JM |
5354 | } |
5355 | ||
c0692b8f JB |
5356 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
5357 | struct genl_info *info, | |
3dc27d25 JB |
5358 | struct cfg80211_crypto_settings *settings, |
5359 | int cipher_limit) | |
b23aa676 | 5360 | { |
c0b2bbd8 JB |
5361 | memset(settings, 0, sizeof(*settings)); |
5362 | ||
b23aa676 SO |
5363 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
5364 | ||
c0692b8f JB |
5365 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
5366 | u16 proto; | |
5367 | proto = nla_get_u16( | |
5368 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
5369 | settings->control_port_ethertype = cpu_to_be16(proto); | |
5370 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
5371 | proto != ETH_P_PAE) | |
5372 | return -EINVAL; | |
5373 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
5374 | settings->control_port_no_encrypt = true; | |
5375 | } else | |
5376 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
5377 | ||
b23aa676 SO |
5378 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
5379 | void *data; | |
5380 | int len, i; | |
5381 | ||
5382 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
5383 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
5384 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
5385 | ||
5386 | if (len % sizeof(u32)) | |
5387 | return -EINVAL; | |
5388 | ||
3dc27d25 | 5389 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
5390 | return -EINVAL; |
5391 | ||
5392 | memcpy(settings->ciphers_pairwise, data, len); | |
5393 | ||
5394 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
5395 | if (!cfg80211_supported_cipher_suite( |
5396 | &rdev->wiphy, | |
b23aa676 SO |
5397 | settings->ciphers_pairwise[i])) |
5398 | return -EINVAL; | |
5399 | } | |
5400 | ||
5401 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
5402 | settings->cipher_group = | |
5403 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
5404 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
5405 | settings->cipher_group)) | |
b23aa676 SO |
5406 | return -EINVAL; |
5407 | } | |
5408 | ||
5409 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
5410 | settings->wpa_versions = | |
5411 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
5412 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
5413 | return -EINVAL; | |
5414 | } | |
5415 | ||
5416 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
5417 | void *data; | |
6d30240e | 5418 | int len; |
b23aa676 SO |
5419 | |
5420 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
5421 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
5422 | settings->n_akm_suites = len / sizeof(u32); | |
5423 | ||
5424 | if (len % sizeof(u32)) | |
5425 | return -EINVAL; | |
5426 | ||
1b9ca027 JM |
5427 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
5428 | return -EINVAL; | |
5429 | ||
b23aa676 | 5430 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
5431 | } |
5432 | ||
5433 | return 0; | |
5434 | } | |
5435 | ||
636a5d36 JM |
5436 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
5437 | { | |
4c476991 JB |
5438 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5439 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 5440 | struct cfg80211_crypto_settings crypto; |
f444de05 | 5441 | struct ieee80211_channel *chan; |
3e5d7649 | 5442 | const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; |
19957bb3 JB |
5443 | int err, ssid_len, ie_len = 0; |
5444 | bool use_mfp = false; | |
7e7c8926 BG |
5445 | u32 flags = 0; |
5446 | struct ieee80211_ht_cap *ht_capa = NULL; | |
5447 | struct ieee80211_ht_cap *ht_capa_mask = NULL; | |
636a5d36 | 5448 | |
f4a11bb0 JB |
5449 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5450 | return -EINVAL; | |
5451 | ||
5452 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
5453 | !info->attrs[NL80211_ATTR_SSID] || |
5454 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
5455 | return -EINVAL; |
5456 | ||
4c476991 JB |
5457 | if (!rdev->ops->assoc) |
5458 | return -EOPNOTSUPP; | |
636a5d36 | 5459 | |
074ac8df | 5460 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5461 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5462 | return -EOPNOTSUPP; | |
eec60b03 | 5463 | |
19957bb3 | 5464 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 5465 | |
19957bb3 JB |
5466 | chan = ieee80211_get_channel(&rdev->wiphy, |
5467 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
5468 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
5469 | return -EINVAL; | |
636a5d36 | 5470 | |
19957bb3 JB |
5471 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
5472 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
5473 | |
5474 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
5475 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
5476 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
5477 | } |
5478 | ||
dc6382ce | 5479 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 5480 | enum nl80211_mfp mfp = |
dc6382ce | 5481 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 5482 | if (mfp == NL80211_MFP_REQUIRED) |
19957bb3 | 5483 | use_mfp = true; |
4c476991 JB |
5484 | else if (mfp != NL80211_MFP_NO) |
5485 | return -EINVAL; | |
dc6382ce JM |
5486 | } |
5487 | ||
3e5d7649 JB |
5488 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
5489 | prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
5490 | ||
7e7c8926 BG |
5491 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
5492 | flags |= ASSOC_REQ_DISABLE_HT; | |
5493 | ||
5494 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
5495 | ht_capa_mask = | |
5496 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]); | |
5497 | ||
5498 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
5499 | if (!ht_capa_mask) | |
5500 | return -EINVAL; | |
5501 | ht_capa = nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5502 | } | |
5503 | ||
c0692b8f | 5504 | err = nl80211_crypto_settings(rdev, info, &crypto, 1); |
b23aa676 | 5505 | if (!err) |
3e5d7649 JB |
5506 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, |
5507 | ssid, ssid_len, ie, ie_len, use_mfp, | |
7e7c8926 BG |
5508 | &crypto, flags, ht_capa, |
5509 | ht_capa_mask); | |
636a5d36 | 5510 | |
636a5d36 JM |
5511 | return err; |
5512 | } | |
5513 | ||
5514 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
5515 | { | |
4c476991 JB |
5516 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5517 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 5518 | const u8 *ie = NULL, *bssid; |
4c476991 | 5519 | int ie_len = 0; |
19957bb3 | 5520 | u16 reason_code; |
d5cdfacb | 5521 | bool local_state_change; |
636a5d36 | 5522 | |
f4a11bb0 JB |
5523 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5524 | return -EINVAL; | |
5525 | ||
5526 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5527 | return -EINVAL; | |
5528 | ||
5529 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
5530 | return -EINVAL; | |
5531 | ||
4c476991 JB |
5532 | if (!rdev->ops->deauth) |
5533 | return -EOPNOTSUPP; | |
636a5d36 | 5534 | |
074ac8df | 5535 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5536 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5537 | return -EOPNOTSUPP; | |
eec60b03 | 5538 | |
19957bb3 | 5539 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 5540 | |
19957bb3 JB |
5541 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
5542 | if (reason_code == 0) { | |
f4a11bb0 | 5543 | /* Reason Code 0 is reserved */ |
4c476991 | 5544 | return -EINVAL; |
255e737e | 5545 | } |
636a5d36 JM |
5546 | |
5547 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
5548 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
5549 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
5550 | } |
5551 | ||
d5cdfacb JM |
5552 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
5553 | ||
4c476991 JB |
5554 | return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, |
5555 | local_state_change); | |
636a5d36 JM |
5556 | } |
5557 | ||
5558 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
5559 | { | |
4c476991 JB |
5560 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5561 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 5562 | const u8 *ie = NULL, *bssid; |
4c476991 | 5563 | int ie_len = 0; |
19957bb3 | 5564 | u16 reason_code; |
d5cdfacb | 5565 | bool local_state_change; |
636a5d36 | 5566 | |
f4a11bb0 JB |
5567 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5568 | return -EINVAL; | |
5569 | ||
5570 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5571 | return -EINVAL; | |
5572 | ||
5573 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
5574 | return -EINVAL; | |
5575 | ||
4c476991 JB |
5576 | if (!rdev->ops->disassoc) |
5577 | return -EOPNOTSUPP; | |
636a5d36 | 5578 | |
074ac8df | 5579 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
5580 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
5581 | return -EOPNOTSUPP; | |
eec60b03 | 5582 | |
19957bb3 | 5583 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 5584 | |
19957bb3 JB |
5585 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
5586 | if (reason_code == 0) { | |
f4a11bb0 | 5587 | /* Reason Code 0 is reserved */ |
4c476991 | 5588 | return -EINVAL; |
255e737e | 5589 | } |
636a5d36 JM |
5590 | |
5591 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
5592 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
5593 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
5594 | } |
5595 | ||
d5cdfacb JM |
5596 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
5597 | ||
4c476991 JB |
5598 | return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, |
5599 | local_state_change); | |
636a5d36 JM |
5600 | } |
5601 | ||
dd5b4cc7 FF |
5602 | static bool |
5603 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
5604 | int mcast_rate[IEEE80211_NUM_BANDS], | |
5605 | int rateval) | |
5606 | { | |
5607 | struct wiphy *wiphy = &rdev->wiphy; | |
5608 | bool found = false; | |
5609 | int band, i; | |
5610 | ||
5611 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5612 | struct ieee80211_supported_band *sband; | |
5613 | ||
5614 | sband = wiphy->bands[band]; | |
5615 | if (!sband) | |
5616 | continue; | |
5617 | ||
5618 | for (i = 0; i < sband->n_bitrates; i++) { | |
5619 | if (sband->bitrates[i].bitrate == rateval) { | |
5620 | mcast_rate[band] = i + 1; | |
5621 | found = true; | |
5622 | break; | |
5623 | } | |
5624 | } | |
5625 | } | |
5626 | ||
5627 | return found; | |
5628 | } | |
5629 | ||
04a773ad JB |
5630 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
5631 | { | |
4c476991 JB |
5632 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5633 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
5634 | struct cfg80211_ibss_params ibss; |
5635 | struct wiphy *wiphy; | |
fffd0934 | 5636 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
5637 | int err; |
5638 | ||
8e30bc55 JB |
5639 | memset(&ibss, 0, sizeof(ibss)); |
5640 | ||
04a773ad JB |
5641 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5642 | return -EINVAL; | |
5643 | ||
683b6d3b | 5644 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
5645 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
5646 | return -EINVAL; | |
5647 | ||
8e30bc55 JB |
5648 | ibss.beacon_interval = 100; |
5649 | ||
5650 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
5651 | ibss.beacon_interval = | |
5652 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
5653 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
5654 | return -EINVAL; | |
5655 | } | |
5656 | ||
4c476991 JB |
5657 | if (!rdev->ops->join_ibss) |
5658 | return -EOPNOTSUPP; | |
04a773ad | 5659 | |
4c476991 JB |
5660 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
5661 | return -EOPNOTSUPP; | |
04a773ad | 5662 | |
79c97e97 | 5663 | wiphy = &rdev->wiphy; |
04a773ad | 5664 | |
39193498 | 5665 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 5666 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
5667 | |
5668 | if (!is_valid_ether_addr(ibss.bssid)) | |
5669 | return -EINVAL; | |
5670 | } | |
04a773ad JB |
5671 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
5672 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
5673 | ||
5674 | if (info->attrs[NL80211_ATTR_IE]) { | |
5675 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
5676 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5677 | } | |
5678 | ||
683b6d3b JB |
5679 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
5680 | if (err) | |
5681 | return err; | |
04a773ad | 5682 | |
683b6d3b | 5683 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) |
54858ee5 AS |
5684 | return -EINVAL; |
5685 | ||
db9c64cf JB |
5686 | if (ibss.chandef.width > NL80211_CHAN_WIDTH_40) |
5687 | return -EINVAL; | |
5688 | if (ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT && | |
5689 | !(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
c04d6150 | 5690 | return -EINVAL; |
db9c64cf | 5691 | |
04a773ad | 5692 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
5693 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
5694 | ||
fbd2c8dc TP |
5695 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
5696 | u8 *rates = | |
5697 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5698 | int n_rates = | |
5699 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5700 | struct ieee80211_supported_band *sband = | |
683b6d3b | 5701 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 5702 | |
34850ab2 JB |
5703 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
5704 | &ibss.basic_rates); | |
5705 | if (err) | |
5706 | return err; | |
fbd2c8dc | 5707 | } |
dd5b4cc7 FF |
5708 | |
5709 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && | |
5710 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
5711 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
5712 | return -EINVAL; | |
fbd2c8dc | 5713 | |
4c476991 | 5714 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
5715 | bool no_ht = false; |
5716 | ||
4c476991 | 5717 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
5718 | info->attrs[NL80211_ATTR_KEYS], |
5719 | &no_ht); | |
4c476991 JB |
5720 | if (IS_ERR(connkeys)) |
5721 | return PTR_ERR(connkeys); | |
de7044ee | 5722 | |
3d9d1d66 JB |
5723 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
5724 | no_ht) { | |
de7044ee SM |
5725 | kfree(connkeys); |
5726 | return -EINVAL; | |
5727 | } | |
4c476991 | 5728 | } |
04a773ad | 5729 | |
267335d6 AQ |
5730 | ibss.control_port = |
5731 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
5732 | ||
4c476991 | 5733 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
5734 | if (err) |
5735 | kfree(connkeys); | |
04a773ad JB |
5736 | return err; |
5737 | } | |
5738 | ||
5739 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
5740 | { | |
4c476991 JB |
5741 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5742 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 5743 | |
4c476991 JB |
5744 | if (!rdev->ops->leave_ibss) |
5745 | return -EOPNOTSUPP; | |
04a773ad | 5746 | |
4c476991 JB |
5747 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
5748 | return -EOPNOTSUPP; | |
04a773ad | 5749 | |
4c476991 | 5750 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
5751 | } |
5752 | ||
f4e583c8 AQ |
5753 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
5754 | { | |
5755 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5756 | struct net_device *dev = info->user_ptr[1]; | |
5757 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
5758 | u32 nla_rate; | |
5759 | int err; | |
5760 | ||
5761 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
5762 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
5763 | return -EOPNOTSUPP; | |
5764 | ||
5765 | if (!rdev->ops->set_mcast_rate) | |
5766 | return -EOPNOTSUPP; | |
5767 | ||
5768 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
5769 | ||
5770 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
5771 | return -EINVAL; | |
5772 | ||
5773 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
5774 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
5775 | return -EINVAL; | |
5776 | ||
5777 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
5778 | ||
5779 | return err; | |
5780 | } | |
5781 | ||
5782 | ||
aff89a9b JB |
5783 | #ifdef CONFIG_NL80211_TESTMODE |
5784 | static struct genl_multicast_group nl80211_testmode_mcgrp = { | |
5785 | .name = "testmode", | |
5786 | }; | |
5787 | ||
5788 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) | |
5789 | { | |
4c476991 | 5790 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
aff89a9b JB |
5791 | int err; |
5792 | ||
5793 | if (!info->attrs[NL80211_ATTR_TESTDATA]) | |
5794 | return -EINVAL; | |
5795 | ||
aff89a9b JB |
5796 | err = -EOPNOTSUPP; |
5797 | if (rdev->ops->testmode_cmd) { | |
5798 | rdev->testmode_info = info; | |
e35e4d28 | 5799 | err = rdev_testmode_cmd(rdev, |
aff89a9b JB |
5800 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
5801 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
5802 | rdev->testmode_info = NULL; | |
5803 | } | |
5804 | ||
aff89a9b JB |
5805 | return err; |
5806 | } | |
5807 | ||
71063f0e WYG |
5808 | static int nl80211_testmode_dump(struct sk_buff *skb, |
5809 | struct netlink_callback *cb) | |
5810 | { | |
00918d33 | 5811 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
5812 | int err; |
5813 | long phy_idx; | |
5814 | void *data = NULL; | |
5815 | int data_len = 0; | |
5816 | ||
5817 | if (cb->args[0]) { | |
5818 | /* | |
5819 | * 0 is a valid index, but not valid for args[0], | |
5820 | * so we need to offset by 1. | |
5821 | */ | |
5822 | phy_idx = cb->args[0] - 1; | |
5823 | } else { | |
5824 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
5825 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
5826 | nl80211_policy); | |
5827 | if (err) | |
5828 | return err; | |
00918d33 | 5829 | |
2bd7e35d JB |
5830 | mutex_lock(&cfg80211_mutex); |
5831 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), | |
5832 | nl80211_fam.attrbuf); | |
5833 | if (IS_ERR(rdev)) { | |
5834 | mutex_unlock(&cfg80211_mutex); | |
5835 | return PTR_ERR(rdev); | |
00918d33 | 5836 | } |
2bd7e35d JB |
5837 | phy_idx = rdev->wiphy_idx; |
5838 | rdev = NULL; | |
5839 | mutex_unlock(&cfg80211_mutex); | |
5840 | ||
71063f0e WYG |
5841 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
5842 | cb->args[1] = | |
5843 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
5844 | } | |
5845 | ||
5846 | if (cb->args[1]) { | |
5847 | data = nla_data((void *)cb->args[1]); | |
5848 | data_len = nla_len((void *)cb->args[1]); | |
5849 | } | |
5850 | ||
5851 | mutex_lock(&cfg80211_mutex); | |
00918d33 JB |
5852 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
5853 | if (!rdev) { | |
71063f0e WYG |
5854 | mutex_unlock(&cfg80211_mutex); |
5855 | return -ENOENT; | |
5856 | } | |
00918d33 | 5857 | cfg80211_lock_rdev(rdev); |
71063f0e WYG |
5858 | mutex_unlock(&cfg80211_mutex); |
5859 | ||
00918d33 | 5860 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
5861 | err = -EOPNOTSUPP; |
5862 | goto out_err; | |
5863 | } | |
5864 | ||
5865 | while (1) { | |
15e47304 | 5866 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
5867 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
5868 | NL80211_CMD_TESTMODE); | |
5869 | struct nlattr *tmdata; | |
5870 | ||
9360ffd1 | 5871 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
5872 | genlmsg_cancel(skb, hdr); |
5873 | break; | |
5874 | } | |
5875 | ||
5876 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
5877 | if (!tmdata) { | |
5878 | genlmsg_cancel(skb, hdr); | |
5879 | break; | |
5880 | } | |
e35e4d28 | 5881 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
5882 | nla_nest_end(skb, tmdata); |
5883 | ||
5884 | if (err == -ENOBUFS || err == -ENOENT) { | |
5885 | genlmsg_cancel(skb, hdr); | |
5886 | break; | |
5887 | } else if (err) { | |
5888 | genlmsg_cancel(skb, hdr); | |
5889 | goto out_err; | |
5890 | } | |
5891 | ||
5892 | genlmsg_end(skb, hdr); | |
5893 | } | |
5894 | ||
5895 | err = skb->len; | |
5896 | /* see above */ | |
5897 | cb->args[0] = phy_idx + 1; | |
5898 | out_err: | |
00918d33 | 5899 | cfg80211_unlock_rdev(rdev); |
71063f0e WYG |
5900 | return err; |
5901 | } | |
5902 | ||
aff89a9b JB |
5903 | static struct sk_buff * |
5904 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
15e47304 | 5905 | int approxlen, u32 portid, u32 seq, gfp_t gfp) |
aff89a9b JB |
5906 | { |
5907 | struct sk_buff *skb; | |
5908 | void *hdr; | |
5909 | struct nlattr *data; | |
5910 | ||
5911 | skb = nlmsg_new(approxlen + 100, gfp); | |
5912 | if (!skb) | |
5913 | return NULL; | |
5914 | ||
15e47304 | 5915 | hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE); |
aff89a9b JB |
5916 | if (!hdr) { |
5917 | kfree_skb(skb); | |
5918 | return NULL; | |
5919 | } | |
5920 | ||
9360ffd1 DM |
5921 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) |
5922 | goto nla_put_failure; | |
aff89a9b JB |
5923 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); |
5924 | ||
5925 | ((void **)skb->cb)[0] = rdev; | |
5926 | ((void **)skb->cb)[1] = hdr; | |
5927 | ((void **)skb->cb)[2] = data; | |
5928 | ||
5929 | return skb; | |
5930 | ||
5931 | nla_put_failure: | |
5932 | kfree_skb(skb); | |
5933 | return NULL; | |
5934 | } | |
5935 | ||
5936 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
5937 | int approxlen) | |
5938 | { | |
5939 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
5940 | ||
5941 | if (WARN_ON(!rdev->testmode_info)) | |
5942 | return NULL; | |
5943 | ||
5944 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
15e47304 | 5945 | rdev->testmode_info->snd_portid, |
aff89a9b JB |
5946 | rdev->testmode_info->snd_seq, |
5947 | GFP_KERNEL); | |
5948 | } | |
5949 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
5950 | ||
5951 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
5952 | { | |
5953 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
5954 | void *hdr = ((void **)skb->cb)[1]; | |
5955 | struct nlattr *data = ((void **)skb->cb)[2]; | |
5956 | ||
5957 | if (WARN_ON(!rdev->testmode_info)) { | |
5958 | kfree_skb(skb); | |
5959 | return -EINVAL; | |
5960 | } | |
5961 | ||
5962 | nla_nest_end(skb, data); | |
5963 | genlmsg_end(skb, hdr); | |
5964 | return genlmsg_reply(skb, rdev->testmode_info); | |
5965 | } | |
5966 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
5967 | ||
5968 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
5969 | int approxlen, gfp_t gfp) | |
5970 | { | |
5971 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
5972 | ||
5973 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
5974 | } | |
5975 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
5976 | ||
5977 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
5978 | { | |
5979 | void *hdr = ((void **)skb->cb)[1]; | |
5980 | struct nlattr *data = ((void **)skb->cb)[2]; | |
5981 | ||
5982 | nla_nest_end(skb, data); | |
5983 | genlmsg_end(skb, hdr); | |
5984 | genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp); | |
5985 | } | |
5986 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
5987 | #endif | |
5988 | ||
b23aa676 SO |
5989 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
5990 | { | |
4c476991 JB |
5991 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5992 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
5993 | struct cfg80211_connect_params connect; |
5994 | struct wiphy *wiphy; | |
fffd0934 | 5995 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
5996 | int err; |
5997 | ||
5998 | memset(&connect, 0, sizeof(connect)); | |
5999 | ||
6000 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
6001 | return -EINVAL; | |
6002 | ||
6003 | if (!info->attrs[NL80211_ATTR_SSID] || | |
6004 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
6005 | return -EINVAL; | |
6006 | ||
6007 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
6008 | connect.auth_type = | |
6009 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
6010 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
6011 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
6012 | return -EINVAL; |
6013 | } else | |
6014 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
6015 | ||
6016 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
6017 | ||
c0692b8f | 6018 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 6019 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
6020 | if (err) |
6021 | return err; | |
b23aa676 | 6022 | |
074ac8df | 6023 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6024 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6025 | return -EOPNOTSUPP; | |
b23aa676 | 6026 | |
79c97e97 | 6027 | wiphy = &rdev->wiphy; |
b23aa676 | 6028 | |
4486ea98 BS |
6029 | connect.bg_scan_period = -1; |
6030 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
6031 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
6032 | connect.bg_scan_period = | |
6033 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
6034 | } | |
6035 | ||
b23aa676 SO |
6036 | if (info->attrs[NL80211_ATTR_MAC]) |
6037 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6038 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
6039 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6040 | ||
6041 | if (info->attrs[NL80211_ATTR_IE]) { | |
6042 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6043 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6044 | } | |
6045 | ||
cee00a95 JM |
6046 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
6047 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
6048 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
6049 | connect.mfp != NL80211_MFP_NO) | |
6050 | return -EINVAL; | |
6051 | } else { | |
6052 | connect.mfp = NL80211_MFP_NO; | |
6053 | } | |
6054 | ||
b23aa676 SO |
6055 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
6056 | connect.channel = | |
6057 | ieee80211_get_channel(wiphy, | |
6058 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
6059 | if (!connect.channel || | |
4c476991 JB |
6060 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
6061 | return -EINVAL; | |
b23aa676 SO |
6062 | } |
6063 | ||
fffd0934 JB |
6064 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
6065 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 6066 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
6067 | if (IS_ERR(connkeys)) |
6068 | return PTR_ERR(connkeys); | |
fffd0934 JB |
6069 | } |
6070 | ||
7e7c8926 BG |
6071 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
6072 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
6073 | ||
6074 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6075 | memcpy(&connect.ht_capa_mask, | |
6076 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6077 | sizeof(connect.ht_capa_mask)); | |
6078 | ||
6079 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
6080 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
6081 | kfree(connkeys); | |
7e7c8926 | 6082 | return -EINVAL; |
b4e4f47e | 6083 | } |
7e7c8926 BG |
6084 | memcpy(&connect.ht_capa, |
6085 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6086 | sizeof(connect.ht_capa)); | |
6087 | } | |
6088 | ||
fffd0934 | 6089 | err = cfg80211_connect(rdev, dev, &connect, connkeys); |
fffd0934 JB |
6090 | if (err) |
6091 | kfree(connkeys); | |
b23aa676 SO |
6092 | return err; |
6093 | } | |
6094 | ||
6095 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
6096 | { | |
4c476991 JB |
6097 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6098 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
6099 | u16 reason; |
6100 | ||
6101 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6102 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
6103 | else | |
6104 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
6105 | ||
6106 | if (reason == 0) | |
6107 | return -EINVAL; | |
6108 | ||
074ac8df | 6109 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6110 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6111 | return -EOPNOTSUPP; | |
b23aa676 | 6112 | |
4c476991 | 6113 | return cfg80211_disconnect(rdev, dev, reason, true); |
b23aa676 SO |
6114 | } |
6115 | ||
463d0183 JB |
6116 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
6117 | { | |
4c476991 | 6118 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
6119 | struct net *net; |
6120 | int err; | |
6121 | u32 pid; | |
6122 | ||
6123 | if (!info->attrs[NL80211_ATTR_PID]) | |
6124 | return -EINVAL; | |
6125 | ||
6126 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
6127 | ||
463d0183 | 6128 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
6129 | if (IS_ERR(net)) |
6130 | return PTR_ERR(net); | |
463d0183 JB |
6131 | |
6132 | err = 0; | |
6133 | ||
6134 | /* check if anything to do */ | |
4c476991 JB |
6135 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
6136 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 6137 | |
463d0183 | 6138 | put_net(net); |
463d0183 JB |
6139 | return err; |
6140 | } | |
6141 | ||
67fbb16b SO |
6142 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
6143 | { | |
4c476991 | 6144 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
6145 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
6146 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 6147 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
6148 | struct cfg80211_pmksa pmksa; |
6149 | ||
6150 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
6151 | ||
6152 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6153 | return -EINVAL; | |
6154 | ||
6155 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
6156 | return -EINVAL; | |
6157 | ||
67fbb16b SO |
6158 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
6159 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6160 | ||
074ac8df | 6161 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6162 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6163 | return -EOPNOTSUPP; | |
67fbb16b SO |
6164 | |
6165 | switch (info->genlhdr->cmd) { | |
6166 | case NL80211_CMD_SET_PMKSA: | |
6167 | rdev_ops = rdev->ops->set_pmksa; | |
6168 | break; | |
6169 | case NL80211_CMD_DEL_PMKSA: | |
6170 | rdev_ops = rdev->ops->del_pmksa; | |
6171 | break; | |
6172 | default: | |
6173 | WARN_ON(1); | |
6174 | break; | |
6175 | } | |
6176 | ||
4c476991 JB |
6177 | if (!rdev_ops) |
6178 | return -EOPNOTSUPP; | |
67fbb16b | 6179 | |
4c476991 | 6180 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
6181 | } |
6182 | ||
6183 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
6184 | { | |
4c476991 JB |
6185 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6186 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 6187 | |
074ac8df | 6188 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6189 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6190 | return -EOPNOTSUPP; | |
67fbb16b | 6191 | |
4c476991 JB |
6192 | if (!rdev->ops->flush_pmksa) |
6193 | return -EOPNOTSUPP; | |
67fbb16b | 6194 | |
e35e4d28 | 6195 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
6196 | } |
6197 | ||
109086ce AN |
6198 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
6199 | { | |
6200 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6201 | struct net_device *dev = info->user_ptr[1]; | |
6202 | u8 action_code, dialog_token; | |
6203 | u16 status_code; | |
6204 | u8 *peer; | |
6205 | ||
6206 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
6207 | !rdev->ops->tdls_mgmt) | |
6208 | return -EOPNOTSUPP; | |
6209 | ||
6210 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
6211 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
6212 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
6213 | !info->attrs[NL80211_ATTR_IE] || | |
6214 | !info->attrs[NL80211_ATTR_MAC]) | |
6215 | return -EINVAL; | |
6216 | ||
6217 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6218 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
6219 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
6220 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
6221 | ||
e35e4d28 HG |
6222 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
6223 | dialog_token, status_code, | |
6224 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
6225 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
6226 | } |
6227 | ||
6228 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
6229 | { | |
6230 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6231 | struct net_device *dev = info->user_ptr[1]; | |
6232 | enum nl80211_tdls_operation operation; | |
6233 | u8 *peer; | |
6234 | ||
6235 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
6236 | !rdev->ops->tdls_oper) | |
6237 | return -EOPNOTSUPP; | |
6238 | ||
6239 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
6240 | !info->attrs[NL80211_ATTR_MAC]) | |
6241 | return -EINVAL; | |
6242 | ||
6243 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
6244 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6245 | ||
e35e4d28 | 6246 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
6247 | } |
6248 | ||
9588bbd5 JM |
6249 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
6250 | struct genl_info *info) | |
6251 | { | |
4c476991 | 6252 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 6253 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 6254 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
6255 | struct sk_buff *msg; |
6256 | void *hdr; | |
6257 | u64 cookie; | |
683b6d3b | 6258 | u32 duration; |
9588bbd5 JM |
6259 | int err; |
6260 | ||
6261 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
6262 | !info->attrs[NL80211_ATTR_DURATION]) | |
6263 | return -EINVAL; | |
6264 | ||
6265 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
6266 | ||
ebf348fc JB |
6267 | if (!rdev->ops->remain_on_channel || |
6268 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
6269 | return -EOPNOTSUPP; | |
6270 | ||
9588bbd5 | 6271 | /* |
ebf348fc JB |
6272 | * We should be on that channel for at least a minimum amount of |
6273 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 6274 | */ |
ebf348fc | 6275 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 6276 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
6277 | return -EINVAL; |
6278 | ||
683b6d3b JB |
6279 | err = nl80211_parse_chandef(rdev, info, &chandef); |
6280 | if (err) | |
6281 | return err; | |
9588bbd5 JM |
6282 | |
6283 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
6284 | if (!msg) |
6285 | return -ENOMEM; | |
9588bbd5 | 6286 | |
15e47304 | 6287 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 JM |
6288 | NL80211_CMD_REMAIN_ON_CHANNEL); |
6289 | ||
6290 | if (IS_ERR(hdr)) { | |
6291 | err = PTR_ERR(hdr); | |
6292 | goto free_msg; | |
6293 | } | |
6294 | ||
683b6d3b JB |
6295 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
6296 | duration, &cookie); | |
9588bbd5 JM |
6297 | |
6298 | if (err) | |
6299 | goto free_msg; | |
6300 | ||
9360ffd1 DM |
6301 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
6302 | goto nla_put_failure; | |
9588bbd5 JM |
6303 | |
6304 | genlmsg_end(msg, hdr); | |
4c476991 JB |
6305 | |
6306 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
6307 | |
6308 | nla_put_failure: | |
6309 | err = -ENOBUFS; | |
6310 | free_msg: | |
6311 | nlmsg_free(msg); | |
9588bbd5 JM |
6312 | return err; |
6313 | } | |
6314 | ||
6315 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
6316 | struct genl_info *info) | |
6317 | { | |
4c476991 | 6318 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 6319 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 6320 | u64 cookie; |
9588bbd5 JM |
6321 | |
6322 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
6323 | return -EINVAL; | |
6324 | ||
4c476991 JB |
6325 | if (!rdev->ops->cancel_remain_on_channel) |
6326 | return -EOPNOTSUPP; | |
9588bbd5 | 6327 | |
9588bbd5 JM |
6328 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
6329 | ||
e35e4d28 | 6330 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
6331 | } |
6332 | ||
13ae75b1 JM |
6333 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
6334 | u8 *rates, u8 rates_len) | |
6335 | { | |
6336 | u8 i; | |
6337 | u32 mask = 0; | |
6338 | ||
6339 | for (i = 0; i < rates_len; i++) { | |
6340 | int rate = (rates[i] & 0x7f) * 5; | |
6341 | int ridx; | |
6342 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
6343 | struct ieee80211_rate *srate = | |
6344 | &sband->bitrates[ridx]; | |
6345 | if (rate == srate->bitrate) { | |
6346 | mask |= 1 << ridx; | |
6347 | break; | |
6348 | } | |
6349 | } | |
6350 | if (ridx == sband->n_bitrates) | |
6351 | return 0; /* rate not found */ | |
6352 | } | |
6353 | ||
6354 | return mask; | |
6355 | } | |
6356 | ||
24db78c0 SW |
6357 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
6358 | u8 *rates, u8 rates_len, | |
6359 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
6360 | { | |
6361 | u8 i; | |
6362 | ||
6363 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
6364 | ||
6365 | for (i = 0; i < rates_len; i++) { | |
6366 | int ridx, rbit; | |
6367 | ||
6368 | ridx = rates[i] / 8; | |
6369 | rbit = BIT(rates[i] % 8); | |
6370 | ||
6371 | /* check validity */ | |
910570b5 | 6372 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
6373 | return false; |
6374 | ||
6375 | /* check availability */ | |
6376 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
6377 | mcs[ridx] |= rbit; | |
6378 | else | |
6379 | return false; | |
6380 | } | |
6381 | ||
6382 | return true; | |
6383 | } | |
6384 | ||
b54452b0 | 6385 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
6386 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
6387 | .len = NL80211_MAX_SUPP_RATES }, | |
24db78c0 SW |
6388 | [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, |
6389 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
13ae75b1 JM |
6390 | }; |
6391 | ||
6392 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
6393 | struct genl_info *info) | |
6394 | { | |
6395 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 6396 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 6397 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
6398 | int rem, i; |
6399 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
6400 | struct nlattr *tx_rates; |
6401 | struct ieee80211_supported_band *sband; | |
6402 | ||
6403 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
6404 | return -EINVAL; | |
6405 | ||
4c476991 JB |
6406 | if (!rdev->ops->set_bitrate_mask) |
6407 | return -EOPNOTSUPP; | |
13ae75b1 JM |
6408 | |
6409 | memset(&mask, 0, sizeof(mask)); | |
6410 | /* Default to all rates enabled */ | |
6411 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
6412 | sband = rdev->wiphy.bands[i]; | |
6413 | mask.control[i].legacy = | |
6414 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
24db78c0 SW |
6415 | if (sband) |
6416 | memcpy(mask.control[i].mcs, | |
6417 | sband->ht_cap.mcs.rx_mask, | |
6418 | sizeof(mask.control[i].mcs)); | |
6419 | else | |
6420 | memset(mask.control[i].mcs, 0, | |
6421 | sizeof(mask.control[i].mcs)); | |
13ae75b1 JM |
6422 | } |
6423 | ||
6424 | /* | |
6425 | * The nested attribute uses enum nl80211_band as the index. This maps | |
6426 | * directly to the enum ieee80211_band values used in cfg80211. | |
6427 | */ | |
24db78c0 | 6428 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
13ae75b1 JM |
6429 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
6430 | { | |
6431 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
6432 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
6433 | return -EINVAL; | |
13ae75b1 | 6434 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
6435 | if (sband == NULL) |
6436 | return -EINVAL; | |
13ae75b1 JM |
6437 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
6438 | nla_len(tx_rates), nl80211_txattr_policy); | |
6439 | if (tb[NL80211_TXRATE_LEGACY]) { | |
6440 | mask.control[band].legacy = rateset_to_mask( | |
6441 | sband, | |
6442 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
6443 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
6444 | if ((mask.control[band].legacy == 0) && |
6445 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
6446 | return -EINVAL; | |
24db78c0 SW |
6447 | } |
6448 | if (tb[NL80211_TXRATE_MCS]) { | |
6449 | if (!ht_rateset_to_mask( | |
6450 | sband, | |
6451 | nla_data(tb[NL80211_TXRATE_MCS]), | |
6452 | nla_len(tb[NL80211_TXRATE_MCS]), | |
6453 | mask.control[band].mcs)) | |
6454 | return -EINVAL; | |
6455 | } | |
6456 | ||
6457 | if (mask.control[band].legacy == 0) { | |
6458 | /* don't allow empty legacy rates if HT | |
6459 | * is not even supported. */ | |
6460 | if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) | |
6461 | return -EINVAL; | |
6462 | ||
6463 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
6464 | if (mask.control[band].mcs[i]) | |
6465 | break; | |
6466 | ||
6467 | /* legacy and mcs rates may not be both empty */ | |
6468 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
4c476991 | 6469 | return -EINVAL; |
13ae75b1 JM |
6470 | } |
6471 | } | |
6472 | ||
e35e4d28 | 6473 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
6474 | } |
6475 | ||
2e161f78 | 6476 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 6477 | { |
4c476991 | 6478 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 6479 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 6480 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
6481 | |
6482 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
6483 | return -EINVAL; | |
6484 | ||
2e161f78 JB |
6485 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
6486 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 6487 | |
71bbc994 JB |
6488 | switch (wdev->iftype) { |
6489 | case NL80211_IFTYPE_STATION: | |
6490 | case NL80211_IFTYPE_ADHOC: | |
6491 | case NL80211_IFTYPE_P2P_CLIENT: | |
6492 | case NL80211_IFTYPE_AP: | |
6493 | case NL80211_IFTYPE_AP_VLAN: | |
6494 | case NL80211_IFTYPE_MESH_POINT: | |
6495 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 6496 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
6497 | break; |
6498 | default: | |
4c476991 | 6499 | return -EOPNOTSUPP; |
71bbc994 | 6500 | } |
026331c4 JM |
6501 | |
6502 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
6503 | if (!rdev->ops->mgmt_tx) |
6504 | return -EOPNOTSUPP; | |
026331c4 | 6505 | |
15e47304 | 6506 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
6507 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
6508 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
6509 | } |
6510 | ||
2e161f78 | 6511 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 6512 | { |
4c476991 | 6513 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 6514 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 6515 | struct cfg80211_chan_def chandef; |
026331c4 | 6516 | int err; |
d64d373f | 6517 | void *hdr = NULL; |
026331c4 | 6518 | u64 cookie; |
e247bd90 | 6519 | struct sk_buff *msg = NULL; |
f7ca38df | 6520 | unsigned int wait = 0; |
e247bd90 JB |
6521 | bool offchan, no_cck, dont_wait_for_ack; |
6522 | ||
6523 | dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; | |
026331c4 | 6524 | |
683b6d3b | 6525 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
6526 | return -EINVAL; |
6527 | ||
4c476991 JB |
6528 | if (!rdev->ops->mgmt_tx) |
6529 | return -EOPNOTSUPP; | |
026331c4 | 6530 | |
71bbc994 JB |
6531 | switch (wdev->iftype) { |
6532 | case NL80211_IFTYPE_STATION: | |
6533 | case NL80211_IFTYPE_ADHOC: | |
6534 | case NL80211_IFTYPE_P2P_CLIENT: | |
6535 | case NL80211_IFTYPE_AP: | |
6536 | case NL80211_IFTYPE_AP_VLAN: | |
6537 | case NL80211_IFTYPE_MESH_POINT: | |
6538 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 6539 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
6540 | break; |
6541 | default: | |
4c476991 | 6542 | return -EOPNOTSUPP; |
71bbc994 | 6543 | } |
026331c4 | 6544 | |
f7ca38df | 6545 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 6546 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df JB |
6547 | return -EINVAL; |
6548 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
ebf348fc JB |
6549 | |
6550 | /* | |
6551 | * We should wait on the channel for at least a minimum amount | |
6552 | * of time (10ms) but no longer than the driver supports. | |
6553 | */ | |
6554 | if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || | |
6555 | wait > rdev->wiphy.max_remain_on_channel_duration) | |
6556 | return -EINVAL; | |
6557 | ||
f7ca38df JB |
6558 | } |
6559 | ||
f7ca38df JB |
6560 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
6561 | ||
7c4ef712 JB |
6562 | if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
6563 | return -EINVAL; | |
6564 | ||
e9f935e3 RM |
6565 | no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
6566 | ||
683b6d3b JB |
6567 | err = nl80211_parse_chandef(rdev, info, &chandef); |
6568 | if (err) | |
6569 | return err; | |
026331c4 | 6570 | |
e247bd90 JB |
6571 | if (!dont_wait_for_ack) { |
6572 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6573 | if (!msg) | |
6574 | return -ENOMEM; | |
026331c4 | 6575 | |
15e47304 | 6576 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 6577 | NL80211_CMD_FRAME); |
026331c4 | 6578 | |
e247bd90 JB |
6579 | if (IS_ERR(hdr)) { |
6580 | err = PTR_ERR(hdr); | |
6581 | goto free_msg; | |
6582 | } | |
026331c4 | 6583 | } |
e247bd90 | 6584 | |
683b6d3b | 6585 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait, |
2e161f78 JB |
6586 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
6587 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
e247bd90 | 6588 | no_cck, dont_wait_for_ack, &cookie); |
026331c4 JM |
6589 | if (err) |
6590 | goto free_msg; | |
6591 | ||
e247bd90 | 6592 | if (msg) { |
9360ffd1 DM |
6593 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
6594 | goto nla_put_failure; | |
026331c4 | 6595 | |
e247bd90 JB |
6596 | genlmsg_end(msg, hdr); |
6597 | return genlmsg_reply(msg, info); | |
6598 | } | |
6599 | ||
6600 | return 0; | |
026331c4 JM |
6601 | |
6602 | nla_put_failure: | |
6603 | err = -ENOBUFS; | |
6604 | free_msg: | |
6605 | nlmsg_free(msg); | |
026331c4 JM |
6606 | return err; |
6607 | } | |
6608 | ||
f7ca38df JB |
6609 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
6610 | { | |
6611 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 6612 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
6613 | u64 cookie; |
6614 | ||
6615 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
6616 | return -EINVAL; | |
6617 | ||
6618 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
6619 | return -EOPNOTSUPP; | |
6620 | ||
71bbc994 JB |
6621 | switch (wdev->iftype) { |
6622 | case NL80211_IFTYPE_STATION: | |
6623 | case NL80211_IFTYPE_ADHOC: | |
6624 | case NL80211_IFTYPE_P2P_CLIENT: | |
6625 | case NL80211_IFTYPE_AP: | |
6626 | case NL80211_IFTYPE_AP_VLAN: | |
6627 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 6628 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
6629 | break; |
6630 | default: | |
f7ca38df | 6631 | return -EOPNOTSUPP; |
71bbc994 | 6632 | } |
f7ca38df JB |
6633 | |
6634 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
6635 | ||
e35e4d28 | 6636 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
6637 | } |
6638 | ||
ffb9eb3d KV |
6639 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
6640 | { | |
4c476991 | 6641 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 6642 | struct wireless_dev *wdev; |
4c476991 | 6643 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
6644 | u8 ps_state; |
6645 | bool state; | |
6646 | int err; | |
6647 | ||
4c476991 JB |
6648 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
6649 | return -EINVAL; | |
ffb9eb3d KV |
6650 | |
6651 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
6652 | ||
4c476991 JB |
6653 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
6654 | return -EINVAL; | |
ffb9eb3d KV |
6655 | |
6656 | wdev = dev->ieee80211_ptr; | |
6657 | ||
4c476991 JB |
6658 | if (!rdev->ops->set_power_mgmt) |
6659 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
6660 | |
6661 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
6662 | ||
6663 | if (state == wdev->ps) | |
4c476991 | 6664 | return 0; |
ffb9eb3d | 6665 | |
e35e4d28 | 6666 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
6667 | if (!err) |
6668 | wdev->ps = state; | |
ffb9eb3d KV |
6669 | return err; |
6670 | } | |
6671 | ||
6672 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
6673 | { | |
4c476991 | 6674 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
6675 | enum nl80211_ps_state ps_state; |
6676 | struct wireless_dev *wdev; | |
4c476991 | 6677 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
6678 | struct sk_buff *msg; |
6679 | void *hdr; | |
6680 | int err; | |
6681 | ||
ffb9eb3d KV |
6682 | wdev = dev->ieee80211_ptr; |
6683 | ||
4c476991 JB |
6684 | if (!rdev->ops->set_power_mgmt) |
6685 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
6686 | |
6687 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
6688 | if (!msg) |
6689 | return -ENOMEM; | |
ffb9eb3d | 6690 | |
15e47304 | 6691 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
6692 | NL80211_CMD_GET_POWER_SAVE); |
6693 | if (!hdr) { | |
4c476991 | 6694 | err = -ENOBUFS; |
ffb9eb3d KV |
6695 | goto free_msg; |
6696 | } | |
6697 | ||
6698 | if (wdev->ps) | |
6699 | ps_state = NL80211_PS_ENABLED; | |
6700 | else | |
6701 | ps_state = NL80211_PS_DISABLED; | |
6702 | ||
9360ffd1 DM |
6703 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
6704 | goto nla_put_failure; | |
ffb9eb3d KV |
6705 | |
6706 | genlmsg_end(msg, hdr); | |
4c476991 | 6707 | return genlmsg_reply(msg, info); |
ffb9eb3d | 6708 | |
4c476991 | 6709 | nla_put_failure: |
ffb9eb3d | 6710 | err = -ENOBUFS; |
4c476991 | 6711 | free_msg: |
ffb9eb3d | 6712 | nlmsg_free(msg); |
ffb9eb3d KV |
6713 | return err; |
6714 | } | |
6715 | ||
d6dc1a38 JO |
6716 | static struct nla_policy |
6717 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
6718 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
6719 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
6720 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
6721 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
6722 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
6723 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
6724 | }; |
6725 | ||
84f10708 | 6726 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 6727 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
6728 | { |
6729 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6730 | struct wireless_dev *wdev; | |
6731 | struct net_device *dev = info->user_ptr[1]; | |
6732 | ||
d9d8b019 | 6733 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
6734 | return -EINVAL; |
6735 | ||
6736 | wdev = dev->ieee80211_ptr; | |
6737 | ||
6738 | if (!rdev->ops->set_cqm_txe_config) | |
6739 | return -EOPNOTSUPP; | |
6740 | ||
6741 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
6742 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
6743 | return -EOPNOTSUPP; | |
6744 | ||
e35e4d28 | 6745 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
6746 | } |
6747 | ||
d6dc1a38 JO |
6748 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
6749 | s32 threshold, u32 hysteresis) | |
6750 | { | |
4c476991 | 6751 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
d6dc1a38 | 6752 | struct wireless_dev *wdev; |
4c476991 | 6753 | struct net_device *dev = info->user_ptr[1]; |
d6dc1a38 JO |
6754 | |
6755 | if (threshold > 0) | |
6756 | return -EINVAL; | |
6757 | ||
d6dc1a38 JO |
6758 | wdev = dev->ieee80211_ptr; |
6759 | ||
4c476991 JB |
6760 | if (!rdev->ops->set_cqm_rssi_config) |
6761 | return -EOPNOTSUPP; | |
d6dc1a38 | 6762 | |
074ac8df | 6763 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6764 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6765 | return -EOPNOTSUPP; | |
d6dc1a38 | 6766 | |
e35e4d28 | 6767 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
6768 | } |
6769 | ||
6770 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
6771 | { | |
6772 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
6773 | struct nlattr *cqm; | |
6774 | int err; | |
6775 | ||
6776 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
6777 | if (!cqm) { | |
6778 | err = -EINVAL; | |
6779 | goto out; | |
6780 | } | |
6781 | ||
6782 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
6783 | nl80211_attr_cqm_policy); | |
6784 | if (err) | |
6785 | goto out; | |
6786 | ||
6787 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
6788 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
6789 | s32 threshold; | |
6790 | u32 hysteresis; | |
6791 | threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
6792 | hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
6793 | err = nl80211_set_cqm_rssi(info, threshold, hysteresis); | |
84f10708 TP |
6794 | } else if (attrs[NL80211_ATTR_CQM_TXE_RATE] && |
6795 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
6796 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
6797 | u32 rate, pkts, intvl; | |
6798 | rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
6799 | pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
6800 | intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
6801 | err = nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
d6dc1a38 JO |
6802 | } else |
6803 | err = -EINVAL; | |
6804 | ||
6805 | out: | |
6806 | return err; | |
6807 | } | |
6808 | ||
29cbe68c JB |
6809 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
6810 | { | |
6811 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6812 | struct net_device *dev = info->user_ptr[1]; | |
6813 | struct mesh_config cfg; | |
c80d545d | 6814 | struct mesh_setup setup; |
29cbe68c JB |
6815 | int err; |
6816 | ||
6817 | /* start with default */ | |
6818 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 6819 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 6820 | |
24bdd9f4 | 6821 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 6822 | /* and parse parameters if given */ |
24bdd9f4 | 6823 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
6824 | if (err) |
6825 | return err; | |
6826 | } | |
6827 | ||
6828 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
6829 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
6830 | return -EINVAL; | |
6831 | ||
c80d545d JC |
6832 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
6833 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
6834 | ||
4bb62344 CYY |
6835 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6836 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
6837 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6838 | return -EINVAL; | |
6839 | ||
9bdbf04d MP |
6840 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
6841 | setup.beacon_interval = | |
6842 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6843 | if (setup.beacon_interval < 10 || | |
6844 | setup.beacon_interval > 10000) | |
6845 | return -EINVAL; | |
6846 | } | |
6847 | ||
6848 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
6849 | setup.dtim_period = | |
6850 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
6851 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
6852 | return -EINVAL; | |
6853 | } | |
6854 | ||
c80d545d JC |
6855 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
6856 | /* parse additional setup parameters if given */ | |
6857 | err = nl80211_parse_mesh_setup(info, &setup); | |
6858 | if (err) | |
6859 | return err; | |
6860 | } | |
6861 | ||
cc1d2806 | 6862 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
6863 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
6864 | if (err) | |
6865 | return err; | |
cc1d2806 JB |
6866 | } else { |
6867 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 6868 | setup.chandef.chan = NULL; |
cc1d2806 JB |
6869 | } |
6870 | ||
c80d545d | 6871 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
6872 | } |
6873 | ||
6874 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
6875 | { | |
6876 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6877 | struct net_device *dev = info->user_ptr[1]; | |
6878 | ||
6879 | return cfg80211_leave_mesh(rdev, dev); | |
6880 | } | |
6881 | ||
dfb89c56 | 6882 | #ifdef CONFIG_PM |
ff1b6e69 JB |
6883 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
6884 | { | |
6885 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6886 | struct sk_buff *msg; | |
6887 | void *hdr; | |
6888 | ||
6889 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
6890 | return -EOPNOTSUPP; | |
6891 | ||
6892 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6893 | if (!msg) | |
6894 | return -ENOMEM; | |
6895 | ||
15e47304 | 6896 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
6897 | NL80211_CMD_GET_WOWLAN); |
6898 | if (!hdr) | |
6899 | goto nla_put_failure; | |
6900 | ||
6901 | if (rdev->wowlan) { | |
6902 | struct nlattr *nl_wowlan; | |
6903 | ||
6904 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
6905 | if (!nl_wowlan) | |
6906 | goto nla_put_failure; | |
6907 | ||
9360ffd1 DM |
6908 | if ((rdev->wowlan->any && |
6909 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || | |
6910 | (rdev->wowlan->disconnect && | |
6911 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || | |
6912 | (rdev->wowlan->magic_pkt && | |
6913 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || | |
6914 | (rdev->wowlan->gtk_rekey_failure && | |
6915 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || | |
6916 | (rdev->wowlan->eap_identity_req && | |
6917 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || | |
6918 | (rdev->wowlan->four_way_handshake && | |
6919 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || | |
6920 | (rdev->wowlan->rfkill_release && | |
6921 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) | |
6922 | goto nla_put_failure; | |
ff1b6e69 JB |
6923 | if (rdev->wowlan->n_patterns) { |
6924 | struct nlattr *nl_pats, *nl_pat; | |
6925 | int i, pat_len; | |
6926 | ||
6927 | nl_pats = nla_nest_start(msg, | |
6928 | NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
6929 | if (!nl_pats) | |
6930 | goto nla_put_failure; | |
6931 | ||
6932 | for (i = 0; i < rdev->wowlan->n_patterns; i++) { | |
6933 | nl_pat = nla_nest_start(msg, i + 1); | |
6934 | if (!nl_pat) | |
6935 | goto nla_put_failure; | |
6936 | pat_len = rdev->wowlan->patterns[i].pattern_len; | |
9360ffd1 DM |
6937 | if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK, |
6938 | DIV_ROUND_UP(pat_len, 8), | |
6939 | rdev->wowlan->patterns[i].mask) || | |
6940 | nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN, | |
6941 | pat_len, | |
6942 | rdev->wowlan->patterns[i].pattern)) | |
6943 | goto nla_put_failure; | |
ff1b6e69 JB |
6944 | nla_nest_end(msg, nl_pat); |
6945 | } | |
6946 | nla_nest_end(msg, nl_pats); | |
6947 | } | |
6948 | ||
6949 | nla_nest_end(msg, nl_wowlan); | |
6950 | } | |
6951 | ||
6952 | genlmsg_end(msg, hdr); | |
6953 | return genlmsg_reply(msg, info); | |
6954 | ||
6955 | nla_put_failure: | |
6956 | nlmsg_free(msg); | |
6957 | return -ENOBUFS; | |
6958 | } | |
6959 | ||
6960 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) | |
6961 | { | |
6962 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6963 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 6964 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 6965 | struct cfg80211_wowlan *ntrig; |
ff1b6e69 JB |
6966 | struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; |
6967 | int err, i; | |
6d52563f | 6968 | bool prev_enabled = rdev->wowlan; |
ff1b6e69 JB |
6969 | |
6970 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) | |
6971 | return -EOPNOTSUPP; | |
6972 | ||
ae33bd81 JB |
6973 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
6974 | cfg80211_rdev_free_wowlan(rdev); | |
6975 | rdev->wowlan = NULL; | |
6976 | goto set_wakeup; | |
6977 | } | |
ff1b6e69 JB |
6978 | |
6979 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
6980 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
6981 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
6982 | nl80211_wowlan_policy); | |
6983 | if (err) | |
6984 | return err; | |
6985 | ||
6986 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
6987 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
6988 | return -EINVAL; | |
6989 | new_triggers.any = true; | |
6990 | } | |
6991 | ||
6992 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
6993 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
6994 | return -EINVAL; | |
6995 | new_triggers.disconnect = true; | |
6996 | } | |
6997 | ||
6998 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
6999 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
7000 | return -EINVAL; | |
7001 | new_triggers.magic_pkt = true; | |
7002 | } | |
7003 | ||
77dbbb13 JB |
7004 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
7005 | return -EINVAL; | |
7006 | ||
7007 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
7008 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
7009 | return -EINVAL; | |
7010 | new_triggers.gtk_rekey_failure = true; | |
7011 | } | |
7012 | ||
7013 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
7014 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
7015 | return -EINVAL; | |
7016 | new_triggers.eap_identity_req = true; | |
7017 | } | |
7018 | ||
7019 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
7020 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
7021 | return -EINVAL; | |
7022 | new_triggers.four_way_handshake = true; | |
7023 | } | |
7024 | ||
7025 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
7026 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
7027 | return -EINVAL; | |
7028 | new_triggers.rfkill_release = true; | |
7029 | } | |
7030 | ||
ff1b6e69 JB |
7031 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
7032 | struct nlattr *pat; | |
7033 | int n_patterns = 0; | |
7034 | int rem, pat_len, mask_len; | |
7035 | struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; | |
7036 | ||
7037 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
7038 | rem) | |
7039 | n_patterns++; | |
7040 | if (n_patterns > wowlan->n_patterns) | |
7041 | return -EINVAL; | |
7042 | ||
7043 | new_triggers.patterns = kcalloc(n_patterns, | |
7044 | sizeof(new_triggers.patterns[0]), | |
7045 | GFP_KERNEL); | |
7046 | if (!new_triggers.patterns) | |
7047 | return -ENOMEM; | |
7048 | ||
7049 | new_triggers.n_patterns = n_patterns; | |
7050 | i = 0; | |
7051 | ||
7052 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
7053 | rem) { | |
7054 | nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT, | |
7055 | nla_data(pat), nla_len(pat), NULL); | |
7056 | err = -EINVAL; | |
7057 | if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] || | |
7058 | !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]) | |
7059 | goto error; | |
7060 | pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]); | |
7061 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
7062 | if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) != | |
7063 | mask_len) | |
7064 | goto error; | |
7065 | if (pat_len > wowlan->pattern_max_len || | |
7066 | pat_len < wowlan->pattern_min_len) | |
7067 | goto error; | |
7068 | ||
7069 | new_triggers.patterns[i].mask = | |
7070 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
7071 | if (!new_triggers.patterns[i].mask) { | |
7072 | err = -ENOMEM; | |
7073 | goto error; | |
7074 | } | |
7075 | new_triggers.patterns[i].pattern = | |
7076 | new_triggers.patterns[i].mask + mask_len; | |
7077 | memcpy(new_triggers.patterns[i].mask, | |
7078 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]), | |
7079 | mask_len); | |
7080 | new_triggers.patterns[i].pattern_len = pat_len; | |
7081 | memcpy(new_triggers.patterns[i].pattern, | |
7082 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]), | |
7083 | pat_len); | |
7084 | i++; | |
7085 | } | |
7086 | } | |
7087 | ||
ae33bd81 JB |
7088 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
7089 | if (!ntrig) { | |
7090 | err = -ENOMEM; | |
7091 | goto error; | |
ff1b6e69 | 7092 | } |
ae33bd81 JB |
7093 | cfg80211_rdev_free_wowlan(rdev); |
7094 | rdev->wowlan = ntrig; | |
ff1b6e69 | 7095 | |
ae33bd81 | 7096 | set_wakeup: |
6d52563f | 7097 | if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan) |
e35e4d28 | 7098 | rdev_set_wakeup(rdev, rdev->wowlan); |
6d52563f | 7099 | |
ff1b6e69 JB |
7100 | return 0; |
7101 | error: | |
7102 | for (i = 0; i < new_triggers.n_patterns; i++) | |
7103 | kfree(new_triggers.patterns[i].mask); | |
7104 | kfree(new_triggers.patterns); | |
7105 | return err; | |
7106 | } | |
dfb89c56 | 7107 | #endif |
ff1b6e69 | 7108 | |
e5497d76 JB |
7109 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
7110 | { | |
7111 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7112 | struct net_device *dev = info->user_ptr[1]; | |
7113 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7114 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
7115 | struct cfg80211_gtk_rekey_data rekey_data; | |
7116 | int err; | |
7117 | ||
7118 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
7119 | return -EINVAL; | |
7120 | ||
7121 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
7122 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
7123 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
7124 | nl80211_rekey_policy); | |
7125 | if (err) | |
7126 | return err; | |
7127 | ||
7128 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
7129 | return -ERANGE; | |
7130 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
7131 | return -ERANGE; | |
7132 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
7133 | return -ERANGE; | |
7134 | ||
7135 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
7136 | NL80211_KEK_LEN); | |
7137 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
7138 | NL80211_KCK_LEN); | |
7139 | memcpy(rekey_data.replay_ctr, | |
7140 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
7141 | NL80211_REPLAY_CTR_LEN); | |
7142 | ||
7143 | wdev_lock(wdev); | |
7144 | if (!wdev->current_bss) { | |
7145 | err = -ENOTCONN; | |
7146 | goto out; | |
7147 | } | |
7148 | ||
7149 | if (!rdev->ops->set_rekey_data) { | |
7150 | err = -EOPNOTSUPP; | |
7151 | goto out; | |
7152 | } | |
7153 | ||
e35e4d28 | 7154 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
7155 | out: |
7156 | wdev_unlock(wdev); | |
7157 | return err; | |
7158 | } | |
7159 | ||
28946da7 JB |
7160 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
7161 | struct genl_info *info) | |
7162 | { | |
7163 | struct net_device *dev = info->user_ptr[1]; | |
7164 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7165 | ||
7166 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
7167 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
7168 | return -EINVAL; | |
7169 | ||
15e47304 | 7170 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
7171 | return -EBUSY; |
7172 | ||
15e47304 | 7173 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
7174 | return 0; |
7175 | } | |
7176 | ||
7f6cf311 JB |
7177 | static int nl80211_probe_client(struct sk_buff *skb, |
7178 | struct genl_info *info) | |
7179 | { | |
7180 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7181 | struct net_device *dev = info->user_ptr[1]; | |
7182 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7183 | struct sk_buff *msg; | |
7184 | void *hdr; | |
7185 | const u8 *addr; | |
7186 | u64 cookie; | |
7187 | int err; | |
7188 | ||
7189 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
7190 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
7191 | return -EOPNOTSUPP; | |
7192 | ||
7193 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7194 | return -EINVAL; | |
7195 | ||
7196 | if (!rdev->ops->probe_client) | |
7197 | return -EOPNOTSUPP; | |
7198 | ||
7199 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
7200 | if (!msg) | |
7201 | return -ENOMEM; | |
7202 | ||
15e47304 | 7203 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 JB |
7204 | NL80211_CMD_PROBE_CLIENT); |
7205 | ||
7206 | if (IS_ERR(hdr)) { | |
7207 | err = PTR_ERR(hdr); | |
7208 | goto free_msg; | |
7209 | } | |
7210 | ||
7211 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7212 | ||
e35e4d28 | 7213 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
7214 | if (err) |
7215 | goto free_msg; | |
7216 | ||
9360ffd1 DM |
7217 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7218 | goto nla_put_failure; | |
7f6cf311 JB |
7219 | |
7220 | genlmsg_end(msg, hdr); | |
7221 | ||
7222 | return genlmsg_reply(msg, info); | |
7223 | ||
7224 | nla_put_failure: | |
7225 | err = -ENOBUFS; | |
7226 | free_msg: | |
7227 | nlmsg_free(msg); | |
7228 | return err; | |
7229 | } | |
7230 | ||
5e760230 JB |
7231 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
7232 | { | |
7233 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
7234 | struct cfg80211_beacon_registration *reg, *nreg; |
7235 | int rv; | |
5e760230 JB |
7236 | |
7237 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
7238 | return -EOPNOTSUPP; | |
7239 | ||
37c73b5f BG |
7240 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
7241 | if (!nreg) | |
7242 | return -ENOMEM; | |
7243 | ||
7244 | /* First, check if already registered. */ | |
7245 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
7246 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
7247 | if (reg->nlportid == info->snd_portid) { | |
7248 | rv = -EALREADY; | |
7249 | goto out_err; | |
7250 | } | |
7251 | } | |
7252 | /* Add it to the list */ | |
7253 | nreg->nlportid = info->snd_portid; | |
7254 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 7255 | |
37c73b5f | 7256 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
7257 | |
7258 | return 0; | |
37c73b5f BG |
7259 | out_err: |
7260 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
7261 | kfree(nreg); | |
7262 | return rv; | |
5e760230 JB |
7263 | } |
7264 | ||
98104fde JB |
7265 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
7266 | { | |
7267 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7268 | struct wireless_dev *wdev = info->user_ptr[1]; | |
7269 | int err; | |
7270 | ||
7271 | if (!rdev->ops->start_p2p_device) | |
7272 | return -EOPNOTSUPP; | |
7273 | ||
7274 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
7275 | return -EOPNOTSUPP; | |
7276 | ||
7277 | if (wdev->p2p_started) | |
7278 | return 0; | |
7279 | ||
7280 | mutex_lock(&rdev->devlist_mtx); | |
7281 | err = cfg80211_can_add_interface(rdev, wdev->iftype); | |
7282 | mutex_unlock(&rdev->devlist_mtx); | |
7283 | if (err) | |
7284 | return err; | |
7285 | ||
eeb126e9 | 7286 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
7287 | if (err) |
7288 | return err; | |
7289 | ||
7290 | wdev->p2p_started = true; | |
7291 | mutex_lock(&rdev->devlist_mtx); | |
7292 | rdev->opencount++; | |
7293 | mutex_unlock(&rdev->devlist_mtx); | |
7294 | ||
7295 | return 0; | |
7296 | } | |
7297 | ||
7298 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
7299 | { | |
7300 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7301 | struct wireless_dev *wdev = info->user_ptr[1]; | |
7302 | ||
7303 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
7304 | return -EOPNOTSUPP; | |
7305 | ||
7306 | if (!rdev->ops->stop_p2p_device) | |
7307 | return -EOPNOTSUPP; | |
7308 | ||
7309 | if (!wdev->p2p_started) | |
7310 | return 0; | |
7311 | ||
eeb126e9 | 7312 | rdev_stop_p2p_device(rdev, wdev); |
98104fde JB |
7313 | wdev->p2p_started = false; |
7314 | ||
7315 | mutex_lock(&rdev->devlist_mtx); | |
7316 | rdev->opencount--; | |
7317 | mutex_unlock(&rdev->devlist_mtx); | |
7318 | ||
7319 | if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) { | |
7320 | rdev->scan_req->aborted = true; | |
7321 | ___cfg80211_scan_done(rdev, true); | |
7322 | } | |
7323 | ||
7324 | return 0; | |
7325 | } | |
7326 | ||
4c476991 JB |
7327 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
7328 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
7329 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
7330 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
7331 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
7332 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 7333 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 7334 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
7335 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
7336 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 JB |
7337 | |
7338 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, | |
7339 | struct genl_info *info) | |
7340 | { | |
7341 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 7342 | struct wireless_dev *wdev; |
4c476991 | 7343 | struct net_device *dev; |
4c476991 JB |
7344 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
7345 | ||
7346 | if (rtnl) | |
7347 | rtnl_lock(); | |
7348 | ||
7349 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 7350 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
7351 | if (IS_ERR(rdev)) { |
7352 | if (rtnl) | |
7353 | rtnl_unlock(); | |
7354 | return PTR_ERR(rdev); | |
7355 | } | |
7356 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
7357 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
7358 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
89a54e48 JB |
7359 | mutex_lock(&cfg80211_mutex); |
7360 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), | |
7361 | info->attrs); | |
7362 | if (IS_ERR(wdev)) { | |
7363 | mutex_unlock(&cfg80211_mutex); | |
4c476991 JB |
7364 | if (rtnl) |
7365 | rtnl_unlock(); | |
89a54e48 | 7366 | return PTR_ERR(wdev); |
4c476991 | 7367 | } |
89a54e48 | 7368 | |
89a54e48 JB |
7369 | dev = wdev->netdev; |
7370 | rdev = wiphy_to_dev(wdev->wiphy); | |
7371 | ||
1bf614ef JB |
7372 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
7373 | if (!dev) { | |
7374 | mutex_unlock(&cfg80211_mutex); | |
7375 | if (rtnl) | |
7376 | rtnl_unlock(); | |
7377 | return -EINVAL; | |
7378 | } | |
7379 | ||
7380 | info->user_ptr[1] = dev; | |
7381 | } else { | |
7382 | info->user_ptr[1] = wdev; | |
41265714 | 7383 | } |
1bf614ef JB |
7384 | |
7385 | if (dev) { | |
7386 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
7387 | !netif_running(dev)) { | |
7388 | mutex_unlock(&cfg80211_mutex); | |
7389 | if (rtnl) | |
7390 | rtnl_unlock(); | |
7391 | return -ENETDOWN; | |
7392 | } | |
7393 | ||
7394 | dev_hold(dev); | |
98104fde JB |
7395 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
7396 | if (!wdev->p2p_started) { | |
7397 | mutex_unlock(&cfg80211_mutex); | |
7398 | if (rtnl) | |
7399 | rtnl_unlock(); | |
7400 | return -ENETDOWN; | |
7401 | } | |
41265714 | 7402 | } |
89a54e48 | 7403 | |
89a54e48 JB |
7404 | cfg80211_lock_rdev(rdev); |
7405 | ||
7406 | mutex_unlock(&cfg80211_mutex); | |
7407 | ||
4c476991 | 7408 | info->user_ptr[0] = rdev; |
4c476991 JB |
7409 | } |
7410 | ||
7411 | return 0; | |
7412 | } | |
7413 | ||
7414 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
7415 | struct genl_info *info) | |
7416 | { | |
7417 | if (info->user_ptr[0]) | |
7418 | cfg80211_unlock_rdev(info->user_ptr[0]); | |
1bf614ef JB |
7419 | if (info->user_ptr[1]) { |
7420 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
7421 | struct wireless_dev *wdev = info->user_ptr[1]; | |
7422 | ||
7423 | if (wdev->netdev) | |
7424 | dev_put(wdev->netdev); | |
7425 | } else { | |
7426 | dev_put(info->user_ptr[1]); | |
7427 | } | |
7428 | } | |
4c476991 JB |
7429 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
7430 | rtnl_unlock(); | |
7431 | } | |
7432 | ||
55682965 JB |
7433 | static struct genl_ops nl80211_ops[] = { |
7434 | { | |
7435 | .cmd = NL80211_CMD_GET_WIPHY, | |
7436 | .doit = nl80211_get_wiphy, | |
7437 | .dumpit = nl80211_dump_wiphy, | |
7438 | .policy = nl80211_policy, | |
7439 | /* can be retrieved by unprivileged users */ | |
4c476991 | 7440 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
55682965 JB |
7441 | }, |
7442 | { | |
7443 | .cmd = NL80211_CMD_SET_WIPHY, | |
7444 | .doit = nl80211_set_wiphy, | |
7445 | .policy = nl80211_policy, | |
7446 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 7447 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
7448 | }, |
7449 | { | |
7450 | .cmd = NL80211_CMD_GET_INTERFACE, | |
7451 | .doit = nl80211_get_interface, | |
7452 | .dumpit = nl80211_dump_interface, | |
7453 | .policy = nl80211_policy, | |
7454 | /* can be retrieved by unprivileged users */ | |
72fb2abc | 7455 | .internal_flags = NL80211_FLAG_NEED_WDEV, |
55682965 JB |
7456 | }, |
7457 | { | |
7458 | .cmd = NL80211_CMD_SET_INTERFACE, | |
7459 | .doit = nl80211_set_interface, | |
7460 | .policy = nl80211_policy, | |
7461 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
7462 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
7463 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
7464 | }, |
7465 | { | |
7466 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
7467 | .doit = nl80211_new_interface, | |
7468 | .policy = nl80211_policy, | |
7469 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
7470 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
7471 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
7472 | }, |
7473 | { | |
7474 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
7475 | .doit = nl80211_del_interface, | |
7476 | .policy = nl80211_policy, | |
41ade00f | 7477 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 7478 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 7479 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
7480 | }, |
7481 | { | |
7482 | .cmd = NL80211_CMD_GET_KEY, | |
7483 | .doit = nl80211_get_key, | |
7484 | .policy = nl80211_policy, | |
7485 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 7486 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7487 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
7488 | }, |
7489 | { | |
7490 | .cmd = NL80211_CMD_SET_KEY, | |
7491 | .doit = nl80211_set_key, | |
7492 | .policy = nl80211_policy, | |
7493 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7494 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7495 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
7496 | }, |
7497 | { | |
7498 | .cmd = NL80211_CMD_NEW_KEY, | |
7499 | .doit = nl80211_new_key, | |
7500 | .policy = nl80211_policy, | |
7501 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7502 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7503 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
7504 | }, |
7505 | { | |
7506 | .cmd = NL80211_CMD_DEL_KEY, | |
7507 | .doit = nl80211_del_key, | |
7508 | .policy = nl80211_policy, | |
55682965 | 7509 | .flags = GENL_ADMIN_PERM, |
41265714 | 7510 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7511 | NL80211_FLAG_NEED_RTNL, |
55682965 | 7512 | }, |
ed1b6cc7 JB |
7513 | { |
7514 | .cmd = NL80211_CMD_SET_BEACON, | |
7515 | .policy = nl80211_policy, | |
7516 | .flags = GENL_ADMIN_PERM, | |
8860020e | 7517 | .doit = nl80211_set_beacon, |
2b5f8b0b | 7518 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7519 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
7520 | }, |
7521 | { | |
8860020e | 7522 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
7523 | .policy = nl80211_policy, |
7524 | .flags = GENL_ADMIN_PERM, | |
8860020e | 7525 | .doit = nl80211_start_ap, |
2b5f8b0b | 7526 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7527 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
7528 | }, |
7529 | { | |
8860020e | 7530 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
7531 | .policy = nl80211_policy, |
7532 | .flags = GENL_ADMIN_PERM, | |
8860020e | 7533 | .doit = nl80211_stop_ap, |
2b5f8b0b | 7534 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7535 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 7536 | }, |
5727ef1b JB |
7537 | { |
7538 | .cmd = NL80211_CMD_GET_STATION, | |
7539 | .doit = nl80211_get_station, | |
2ec600d6 | 7540 | .dumpit = nl80211_dump_station, |
5727ef1b | 7541 | .policy = nl80211_policy, |
4c476991 JB |
7542 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
7543 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
7544 | }, |
7545 | { | |
7546 | .cmd = NL80211_CMD_SET_STATION, | |
7547 | .doit = nl80211_set_station, | |
7548 | .policy = nl80211_policy, | |
7549 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 7550 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7551 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
7552 | }, |
7553 | { | |
7554 | .cmd = NL80211_CMD_NEW_STATION, | |
7555 | .doit = nl80211_new_station, | |
7556 | .policy = nl80211_policy, | |
7557 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7558 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7559 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
7560 | }, |
7561 | { | |
7562 | .cmd = NL80211_CMD_DEL_STATION, | |
7563 | .doit = nl80211_del_station, | |
7564 | .policy = nl80211_policy, | |
2ec600d6 | 7565 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 7566 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7567 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
7568 | }, |
7569 | { | |
7570 | .cmd = NL80211_CMD_GET_MPATH, | |
7571 | .doit = nl80211_get_mpath, | |
7572 | .dumpit = nl80211_dump_mpath, | |
7573 | .policy = nl80211_policy, | |
7574 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7575 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7576 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
7577 | }, |
7578 | { | |
7579 | .cmd = NL80211_CMD_SET_MPATH, | |
7580 | .doit = nl80211_set_mpath, | |
7581 | .policy = nl80211_policy, | |
7582 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7583 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7584 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
7585 | }, |
7586 | { | |
7587 | .cmd = NL80211_CMD_NEW_MPATH, | |
7588 | .doit = nl80211_new_mpath, | |
7589 | .policy = nl80211_policy, | |
7590 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7591 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7592 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
7593 | }, |
7594 | { | |
7595 | .cmd = NL80211_CMD_DEL_MPATH, | |
7596 | .doit = nl80211_del_mpath, | |
7597 | .policy = nl80211_policy, | |
9f1ba906 | 7598 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 7599 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7600 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
7601 | }, |
7602 | { | |
7603 | .cmd = NL80211_CMD_SET_BSS, | |
7604 | .doit = nl80211_set_bss, | |
7605 | .policy = nl80211_policy, | |
b2e1b302 | 7606 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 7607 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7608 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 7609 | }, |
f130347c LR |
7610 | { |
7611 | .cmd = NL80211_CMD_GET_REG, | |
7612 | .doit = nl80211_get_reg, | |
7613 | .policy = nl80211_policy, | |
7614 | /* can be retrieved by unprivileged users */ | |
7615 | }, | |
b2e1b302 LR |
7616 | { |
7617 | .cmd = NL80211_CMD_SET_REG, | |
7618 | .doit = nl80211_set_reg, | |
7619 | .policy = nl80211_policy, | |
7620 | .flags = GENL_ADMIN_PERM, | |
7621 | }, | |
7622 | { | |
7623 | .cmd = NL80211_CMD_REQ_SET_REG, | |
7624 | .doit = nl80211_req_set_reg, | |
7625 | .policy = nl80211_policy, | |
93da9cc1 | 7626 | .flags = GENL_ADMIN_PERM, |
7627 | }, | |
7628 | { | |
24bdd9f4 JC |
7629 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
7630 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 7631 | .policy = nl80211_policy, |
7632 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 7633 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7634 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 7635 | }, |
7636 | { | |
24bdd9f4 JC |
7637 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
7638 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 7639 | .policy = nl80211_policy, |
9aed3cc1 | 7640 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 7641 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7642 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 7643 | }, |
2a519311 JB |
7644 | { |
7645 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
7646 | .doit = nl80211_trigger_scan, | |
7647 | .policy = nl80211_policy, | |
7648 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 7649 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 7650 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
7651 | }, |
7652 | { | |
7653 | .cmd = NL80211_CMD_GET_SCAN, | |
7654 | .policy = nl80211_policy, | |
7655 | .dumpit = nl80211_dump_scan, | |
7656 | }, | |
807f8a8c LC |
7657 | { |
7658 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
7659 | .doit = nl80211_start_sched_scan, | |
7660 | .policy = nl80211_policy, | |
7661 | .flags = GENL_ADMIN_PERM, | |
7662 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
7663 | NL80211_FLAG_NEED_RTNL, | |
7664 | }, | |
7665 | { | |
7666 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
7667 | .doit = nl80211_stop_sched_scan, | |
7668 | .policy = nl80211_policy, | |
7669 | .flags = GENL_ADMIN_PERM, | |
7670 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
7671 | NL80211_FLAG_NEED_RTNL, | |
7672 | }, | |
636a5d36 JM |
7673 | { |
7674 | .cmd = NL80211_CMD_AUTHENTICATE, | |
7675 | .doit = nl80211_authenticate, | |
7676 | .policy = nl80211_policy, | |
7677 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7678 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7679 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
7680 | }, |
7681 | { | |
7682 | .cmd = NL80211_CMD_ASSOCIATE, | |
7683 | .doit = nl80211_associate, | |
7684 | .policy = nl80211_policy, | |
7685 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7686 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7687 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
7688 | }, |
7689 | { | |
7690 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
7691 | .doit = nl80211_deauthenticate, | |
7692 | .policy = nl80211_policy, | |
7693 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7694 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7695 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
7696 | }, |
7697 | { | |
7698 | .cmd = NL80211_CMD_DISASSOCIATE, | |
7699 | .doit = nl80211_disassociate, | |
7700 | .policy = nl80211_policy, | |
7701 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7702 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7703 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 7704 | }, |
04a773ad JB |
7705 | { |
7706 | .cmd = NL80211_CMD_JOIN_IBSS, | |
7707 | .doit = nl80211_join_ibss, | |
7708 | .policy = nl80211_policy, | |
7709 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7710 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7711 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
7712 | }, |
7713 | { | |
7714 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
7715 | .doit = nl80211_leave_ibss, | |
7716 | .policy = nl80211_policy, | |
7717 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7718 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7719 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 7720 | }, |
aff89a9b JB |
7721 | #ifdef CONFIG_NL80211_TESTMODE |
7722 | { | |
7723 | .cmd = NL80211_CMD_TESTMODE, | |
7724 | .doit = nl80211_testmode_do, | |
71063f0e | 7725 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
7726 | .policy = nl80211_policy, |
7727 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
7728 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
7729 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
7730 | }, |
7731 | #endif | |
b23aa676 SO |
7732 | { |
7733 | .cmd = NL80211_CMD_CONNECT, | |
7734 | .doit = nl80211_connect, | |
7735 | .policy = nl80211_policy, | |
7736 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7737 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7738 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
7739 | }, |
7740 | { | |
7741 | .cmd = NL80211_CMD_DISCONNECT, | |
7742 | .doit = nl80211_disconnect, | |
7743 | .policy = nl80211_policy, | |
7744 | .flags = GENL_ADMIN_PERM, | |
41265714 | 7745 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7746 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 7747 | }, |
463d0183 JB |
7748 | { |
7749 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
7750 | .doit = nl80211_wiphy_netns, | |
7751 | .policy = nl80211_policy, | |
7752 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
7753 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
7754 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 7755 | }, |
61fa713c HS |
7756 | { |
7757 | .cmd = NL80211_CMD_GET_SURVEY, | |
7758 | .policy = nl80211_policy, | |
7759 | .dumpit = nl80211_dump_survey, | |
7760 | }, | |
67fbb16b SO |
7761 | { |
7762 | .cmd = NL80211_CMD_SET_PMKSA, | |
7763 | .doit = nl80211_setdel_pmksa, | |
7764 | .policy = nl80211_policy, | |
7765 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 7766 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7767 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
7768 | }, |
7769 | { | |
7770 | .cmd = NL80211_CMD_DEL_PMKSA, | |
7771 | .doit = nl80211_setdel_pmksa, | |
7772 | .policy = nl80211_policy, | |
7773 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 7774 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7775 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
7776 | }, |
7777 | { | |
7778 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
7779 | .doit = nl80211_flush_pmksa, | |
7780 | .policy = nl80211_policy, | |
7781 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 7782 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 7783 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 7784 | }, |
9588bbd5 JM |
7785 | { |
7786 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
7787 | .doit = nl80211_remain_on_channel, | |
7788 | .policy = nl80211_policy, | |
7789 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 7790 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 7791 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
7792 | }, |
7793 | { | |
7794 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
7795 | .doit = nl80211_cancel_remain_on_channel, | |
7796 | .policy = nl80211_policy, | |
7797 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 7798 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 7799 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 7800 | }, |
13ae75b1 JM |
7801 | { |
7802 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
7803 | .doit = nl80211_set_tx_bitrate_mask, | |
7804 | .policy = nl80211_policy, | |
7805 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
7806 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
7807 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 7808 | }, |
026331c4 | 7809 | { |
2e161f78 JB |
7810 | .cmd = NL80211_CMD_REGISTER_FRAME, |
7811 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
7812 | .policy = nl80211_policy, |
7813 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 7814 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 7815 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
7816 | }, |
7817 | { | |
2e161f78 JB |
7818 | .cmd = NL80211_CMD_FRAME, |
7819 | .doit = nl80211_tx_mgmt, | |
026331c4 | 7820 | .policy = nl80211_policy, |
f7ca38df | 7821 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 7822 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
7823 | NL80211_FLAG_NEED_RTNL, |
7824 | }, | |
7825 | { | |
7826 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
7827 | .doit = nl80211_tx_mgmt_cancel_wait, | |
7828 | .policy = nl80211_policy, | |
026331c4 | 7829 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 7830 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 7831 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 7832 | }, |
ffb9eb3d KV |
7833 | { |
7834 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
7835 | .doit = nl80211_set_power_save, | |
7836 | .policy = nl80211_policy, | |
7837 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
7838 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
7839 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
7840 | }, |
7841 | { | |
7842 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
7843 | .doit = nl80211_get_power_save, | |
7844 | .policy = nl80211_policy, | |
7845 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
7846 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
7847 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 7848 | }, |
d6dc1a38 JO |
7849 | { |
7850 | .cmd = NL80211_CMD_SET_CQM, | |
7851 | .doit = nl80211_set_cqm, | |
7852 | .policy = nl80211_policy, | |
7853 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
7854 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
7855 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 7856 | }, |
f444de05 JB |
7857 | { |
7858 | .cmd = NL80211_CMD_SET_CHANNEL, | |
7859 | .doit = nl80211_set_channel, | |
7860 | .policy = nl80211_policy, | |
7861 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
7862 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
7863 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 7864 | }, |
e8347eba BJ |
7865 | { |
7866 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
7867 | .doit = nl80211_set_wds_peer, | |
7868 | .policy = nl80211_policy, | |
7869 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
7870 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
7871 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 7872 | }, |
29cbe68c JB |
7873 | { |
7874 | .cmd = NL80211_CMD_JOIN_MESH, | |
7875 | .doit = nl80211_join_mesh, | |
7876 | .policy = nl80211_policy, | |
7877 | .flags = GENL_ADMIN_PERM, | |
7878 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
7879 | NL80211_FLAG_NEED_RTNL, | |
7880 | }, | |
7881 | { | |
7882 | .cmd = NL80211_CMD_LEAVE_MESH, | |
7883 | .doit = nl80211_leave_mesh, | |
7884 | .policy = nl80211_policy, | |
7885 | .flags = GENL_ADMIN_PERM, | |
7886 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
7887 | NL80211_FLAG_NEED_RTNL, | |
7888 | }, | |
dfb89c56 | 7889 | #ifdef CONFIG_PM |
ff1b6e69 JB |
7890 | { |
7891 | .cmd = NL80211_CMD_GET_WOWLAN, | |
7892 | .doit = nl80211_get_wowlan, | |
7893 | .policy = nl80211_policy, | |
7894 | /* can be retrieved by unprivileged users */ | |
7895 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
7896 | NL80211_FLAG_NEED_RTNL, | |
7897 | }, | |
7898 | { | |
7899 | .cmd = NL80211_CMD_SET_WOWLAN, | |
7900 | .doit = nl80211_set_wowlan, | |
7901 | .policy = nl80211_policy, | |
7902 | .flags = GENL_ADMIN_PERM, | |
7903 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
7904 | NL80211_FLAG_NEED_RTNL, | |
7905 | }, | |
dfb89c56 | 7906 | #endif |
e5497d76 JB |
7907 | { |
7908 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
7909 | .doit = nl80211_set_rekey_data, | |
7910 | .policy = nl80211_policy, | |
7911 | .flags = GENL_ADMIN_PERM, | |
7912 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
7913 | NL80211_FLAG_NEED_RTNL, | |
7914 | }, | |
109086ce AN |
7915 | { |
7916 | .cmd = NL80211_CMD_TDLS_MGMT, | |
7917 | .doit = nl80211_tdls_mgmt, | |
7918 | .policy = nl80211_policy, | |
7919 | .flags = GENL_ADMIN_PERM, | |
7920 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
7921 | NL80211_FLAG_NEED_RTNL, | |
7922 | }, | |
7923 | { | |
7924 | .cmd = NL80211_CMD_TDLS_OPER, | |
7925 | .doit = nl80211_tdls_oper, | |
7926 | .policy = nl80211_policy, | |
7927 | .flags = GENL_ADMIN_PERM, | |
7928 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
7929 | NL80211_FLAG_NEED_RTNL, | |
7930 | }, | |
28946da7 JB |
7931 | { |
7932 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
7933 | .doit = nl80211_register_unexpected_frame, | |
7934 | .policy = nl80211_policy, | |
7935 | .flags = GENL_ADMIN_PERM, | |
7936 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
7937 | NL80211_FLAG_NEED_RTNL, | |
7938 | }, | |
7f6cf311 JB |
7939 | { |
7940 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
7941 | .doit = nl80211_probe_client, | |
7942 | .policy = nl80211_policy, | |
7943 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 7944 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
7945 | NL80211_FLAG_NEED_RTNL, |
7946 | }, | |
5e760230 JB |
7947 | { |
7948 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
7949 | .doit = nl80211_register_beacons, | |
7950 | .policy = nl80211_policy, | |
7951 | .flags = GENL_ADMIN_PERM, | |
7952 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
7953 | NL80211_FLAG_NEED_RTNL, | |
7954 | }, | |
1d9d9213 SW |
7955 | { |
7956 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
7957 | .doit = nl80211_set_noack_map, | |
7958 | .policy = nl80211_policy, | |
7959 | .flags = GENL_ADMIN_PERM, | |
7960 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
7961 | NL80211_FLAG_NEED_RTNL, | |
7962 | }, | |
98104fde JB |
7963 | { |
7964 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
7965 | .doit = nl80211_start_p2p_device, | |
7966 | .policy = nl80211_policy, | |
7967 | .flags = GENL_ADMIN_PERM, | |
7968 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
7969 | NL80211_FLAG_NEED_RTNL, | |
7970 | }, | |
7971 | { | |
7972 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
7973 | .doit = nl80211_stop_p2p_device, | |
7974 | .policy = nl80211_policy, | |
7975 | .flags = GENL_ADMIN_PERM, | |
7976 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
7977 | NL80211_FLAG_NEED_RTNL, | |
7978 | }, | |
f4e583c8 AQ |
7979 | { |
7980 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
7981 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
7982 | .policy = nl80211_policy, |
7983 | .flags = GENL_ADMIN_PERM, | |
7984 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
7985 | NL80211_FLAG_NEED_RTNL, | |
7986 | }, | |
7987 | { | |
7988 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
7989 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
7990 | .policy = nl80211_policy, |
7991 | .flags = GENL_ADMIN_PERM, | |
7992 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
7993 | NL80211_FLAG_NEED_RTNL, | |
7994 | }, | |
55682965 | 7995 | }; |
9588bbd5 | 7996 | |
6039f6d2 JM |
7997 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
7998 | .name = "mlme", | |
7999 | }; | |
55682965 JB |
8000 | |
8001 | /* multicast groups */ | |
8002 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
8003 | .name = "config", | |
8004 | }; | |
2a519311 JB |
8005 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
8006 | .name = "scan", | |
8007 | }; | |
73d54c9e LR |
8008 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
8009 | .name = "regulatory", | |
8010 | }; | |
55682965 JB |
8011 | |
8012 | /* notification functions */ | |
8013 | ||
8014 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
8015 | { | |
8016 | struct sk_buff *msg; | |
8017 | ||
fd2120ca | 8018 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
8019 | if (!msg) |
8020 | return; | |
8021 | ||
8022 | if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { | |
8023 | nlmsg_free(msg); | |
8024 | return; | |
8025 | } | |
8026 | ||
463d0183 JB |
8027 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8028 | nl80211_config_mcgrp.id, GFP_KERNEL); | |
55682965 JB |
8029 | } |
8030 | ||
362a415d JB |
8031 | static int nl80211_add_scan_req(struct sk_buff *msg, |
8032 | struct cfg80211_registered_device *rdev) | |
8033 | { | |
8034 | struct cfg80211_scan_request *req = rdev->scan_req; | |
8035 | struct nlattr *nest; | |
8036 | int i; | |
8037 | ||
667503dd JB |
8038 | ASSERT_RDEV_LOCK(rdev); |
8039 | ||
362a415d JB |
8040 | if (WARN_ON(!req)) |
8041 | return 0; | |
8042 | ||
8043 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
8044 | if (!nest) | |
8045 | goto nla_put_failure; | |
9360ffd1 DM |
8046 | for (i = 0; i < req->n_ssids; i++) { |
8047 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
8048 | goto nla_put_failure; | |
8049 | } | |
362a415d JB |
8050 | nla_nest_end(msg, nest); |
8051 | ||
8052 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
8053 | if (!nest) | |
8054 | goto nla_put_failure; | |
9360ffd1 DM |
8055 | for (i = 0; i < req->n_channels; i++) { |
8056 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
8057 | goto nla_put_failure; | |
8058 | } | |
362a415d JB |
8059 | nla_nest_end(msg, nest); |
8060 | ||
9360ffd1 DM |
8061 | if (req->ie && |
8062 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
8063 | goto nla_put_failure; | |
362a415d | 8064 | |
ed473771 SL |
8065 | if (req->flags) |
8066 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags); | |
8067 | ||
362a415d JB |
8068 | return 0; |
8069 | nla_put_failure: | |
8070 | return -ENOBUFS; | |
8071 | } | |
8072 | ||
a538e2d5 JB |
8073 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
8074 | struct cfg80211_registered_device *rdev, | |
fd014284 | 8075 | struct wireless_dev *wdev, |
15e47304 | 8076 | u32 portid, u32 seq, int flags, |
a538e2d5 | 8077 | u32 cmd) |
2a519311 JB |
8078 | { |
8079 | void *hdr; | |
8080 | ||
15e47304 | 8081 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
8082 | if (!hdr) |
8083 | return -1; | |
8084 | ||
9360ffd1 | 8085 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
8086 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
8087 | wdev->netdev->ifindex)) || | |
8088 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 8089 | goto nla_put_failure; |
2a519311 | 8090 | |
362a415d JB |
8091 | /* ignore errors and send incomplete event anyway */ |
8092 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
8093 | |
8094 | return genlmsg_end(msg, hdr); | |
8095 | ||
8096 | nla_put_failure: | |
8097 | genlmsg_cancel(msg, hdr); | |
8098 | return -EMSGSIZE; | |
8099 | } | |
8100 | ||
807f8a8c LC |
8101 | static int |
8102 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
8103 | struct cfg80211_registered_device *rdev, | |
8104 | struct net_device *netdev, | |
15e47304 | 8105 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
8106 | { |
8107 | void *hdr; | |
8108 | ||
15e47304 | 8109 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
8110 | if (!hdr) |
8111 | return -1; | |
8112 | ||
9360ffd1 DM |
8113 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8114 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
8115 | goto nla_put_failure; | |
807f8a8c LC |
8116 | |
8117 | return genlmsg_end(msg, hdr); | |
8118 | ||
8119 | nla_put_failure: | |
8120 | genlmsg_cancel(msg, hdr); | |
8121 | return -EMSGSIZE; | |
8122 | } | |
8123 | ||
a538e2d5 | 8124 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 8125 | struct wireless_dev *wdev) |
a538e2d5 JB |
8126 | { |
8127 | struct sk_buff *msg; | |
8128 | ||
58050fce | 8129 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
8130 | if (!msg) |
8131 | return; | |
8132 | ||
fd014284 | 8133 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
8134 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
8135 | nlmsg_free(msg); | |
8136 | return; | |
8137 | } | |
8138 | ||
463d0183 JB |
8139 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8140 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
a538e2d5 JB |
8141 | } |
8142 | ||
2a519311 | 8143 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
fd014284 | 8144 | struct wireless_dev *wdev) |
2a519311 JB |
8145 | { |
8146 | struct sk_buff *msg; | |
8147 | ||
fd2120ca | 8148 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
8149 | if (!msg) |
8150 | return; | |
8151 | ||
fd014284 | 8152 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 8153 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { |
2a519311 JB |
8154 | nlmsg_free(msg); |
8155 | return; | |
8156 | } | |
8157 | ||
463d0183 JB |
8158 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8159 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
8160 | } |
8161 | ||
8162 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
fd014284 | 8163 | struct wireless_dev *wdev) |
2a519311 JB |
8164 | { |
8165 | struct sk_buff *msg; | |
8166 | ||
fd2120ca | 8167 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
8168 | if (!msg) |
8169 | return; | |
8170 | ||
fd014284 | 8171 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 8172 | NL80211_CMD_SCAN_ABORTED) < 0) { |
2a519311 JB |
8173 | nlmsg_free(msg); |
8174 | return; | |
8175 | } | |
8176 | ||
463d0183 JB |
8177 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8178 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
8179 | } |
8180 | ||
807f8a8c LC |
8181 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
8182 | struct net_device *netdev) | |
8183 | { | |
8184 | struct sk_buff *msg; | |
8185 | ||
8186 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8187 | if (!msg) | |
8188 | return; | |
8189 | ||
8190 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
8191 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
8192 | nlmsg_free(msg); | |
8193 | return; | |
8194 | } | |
8195 | ||
8196 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
8197 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
8198 | } | |
8199 | ||
8200 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
8201 | struct net_device *netdev, u32 cmd) | |
8202 | { | |
8203 | struct sk_buff *msg; | |
8204 | ||
58050fce | 8205 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
8206 | if (!msg) |
8207 | return; | |
8208 | ||
8209 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
8210 | nlmsg_free(msg); | |
8211 | return; | |
8212 | } | |
8213 | ||
8214 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
8215 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
8216 | } | |
8217 | ||
73d54c9e LR |
8218 | /* |
8219 | * This can happen on global regulatory changes or device specific settings | |
8220 | * based on custom world regulatory domains. | |
8221 | */ | |
8222 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
8223 | { | |
8224 | struct sk_buff *msg; | |
8225 | void *hdr; | |
8226 | ||
fd2120ca | 8227 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
8228 | if (!msg) |
8229 | return; | |
8230 | ||
8231 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
8232 | if (!hdr) { | |
8233 | nlmsg_free(msg); | |
8234 | return; | |
8235 | } | |
8236 | ||
8237 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
8238 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
8239 | goto nla_put_failure; | |
8240 | ||
8241 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
8242 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
8243 | NL80211_REGDOM_TYPE_WORLD)) | |
8244 | goto nla_put_failure; | |
8245 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
8246 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
8247 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
8248 | goto nla_put_failure; | |
8249 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
8250 | request->intersect) { | |
8251 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
8252 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
8253 | goto nla_put_failure; | |
8254 | } else { | |
8255 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
8256 | NL80211_REGDOM_TYPE_COUNTRY) || | |
8257 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
8258 | request->alpha2)) | |
8259 | goto nla_put_failure; | |
8260 | } | |
8261 | ||
f4173766 | 8262 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
8263 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
8264 | goto nla_put_failure; | |
73d54c9e | 8265 | |
3b7b72ee | 8266 | genlmsg_end(msg, hdr); |
73d54c9e | 8267 | |
bc43b28c | 8268 | rcu_read_lock(); |
463d0183 | 8269 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
bc43b28c JB |
8270 | GFP_ATOMIC); |
8271 | rcu_read_unlock(); | |
73d54c9e LR |
8272 | |
8273 | return; | |
8274 | ||
8275 | nla_put_failure: | |
8276 | genlmsg_cancel(msg, hdr); | |
8277 | nlmsg_free(msg); | |
8278 | } | |
8279 | ||
6039f6d2 JM |
8280 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
8281 | struct net_device *netdev, | |
8282 | const u8 *buf, size_t len, | |
e6d6e342 | 8283 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
8284 | { |
8285 | struct sk_buff *msg; | |
8286 | void *hdr; | |
8287 | ||
e6d6e342 | 8288 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
8289 | if (!msg) |
8290 | return; | |
8291 | ||
8292 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
8293 | if (!hdr) { | |
8294 | nlmsg_free(msg); | |
8295 | return; | |
8296 | } | |
8297 | ||
9360ffd1 DM |
8298 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8299 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
8300 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
8301 | goto nla_put_failure; | |
6039f6d2 | 8302 | |
3b7b72ee | 8303 | genlmsg_end(msg, hdr); |
6039f6d2 | 8304 | |
463d0183 JB |
8305 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8306 | nl80211_mlme_mcgrp.id, gfp); | |
6039f6d2 JM |
8307 | return; |
8308 | ||
8309 | nla_put_failure: | |
8310 | genlmsg_cancel(msg, hdr); | |
8311 | nlmsg_free(msg); | |
8312 | } | |
8313 | ||
8314 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
8315 | struct net_device *netdev, const u8 *buf, |
8316 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
8317 | { |
8318 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 8319 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
8320 | } |
8321 | ||
8322 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
8323 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 8324 | size_t len, gfp_t gfp) |
6039f6d2 | 8325 | { |
e6d6e342 JB |
8326 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
8327 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
8328 | } |
8329 | ||
53b46b84 | 8330 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
8331 | struct net_device *netdev, const u8 *buf, |
8332 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
8333 | { |
8334 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 8335 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
8336 | } |
8337 | ||
53b46b84 JM |
8338 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
8339 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 8340 | size_t len, gfp_t gfp) |
6039f6d2 JM |
8341 | { |
8342 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 8343 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
8344 | } |
8345 | ||
cf4e594e JM |
8346 | void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, |
8347 | struct net_device *netdev, const u8 *buf, | |
8348 | size_t len, gfp_t gfp) | |
8349 | { | |
8350 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
8351 | NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); | |
8352 | } | |
8353 | ||
8354 | void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, | |
8355 | struct net_device *netdev, const u8 *buf, | |
8356 | size_t len, gfp_t gfp) | |
8357 | { | |
8358 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
8359 | NL80211_CMD_UNPROT_DISASSOCIATE, gfp); | |
8360 | } | |
8361 | ||
1b06bb40 LR |
8362 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
8363 | struct net_device *netdev, int cmd, | |
e6d6e342 | 8364 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
8365 | { |
8366 | struct sk_buff *msg; | |
8367 | void *hdr; | |
8368 | ||
e6d6e342 | 8369 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
8370 | if (!msg) |
8371 | return; | |
8372 | ||
8373 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
8374 | if (!hdr) { | |
8375 | nlmsg_free(msg); | |
8376 | return; | |
8377 | } | |
8378 | ||
9360ffd1 DM |
8379 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8380 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
8381 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
8382 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
8383 | goto nla_put_failure; | |
1965c853 | 8384 | |
3b7b72ee | 8385 | genlmsg_end(msg, hdr); |
1965c853 | 8386 | |
463d0183 JB |
8387 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8388 | nl80211_mlme_mcgrp.id, gfp); | |
1965c853 JM |
8389 | return; |
8390 | ||
8391 | nla_put_failure: | |
8392 | genlmsg_cancel(msg, hdr); | |
8393 | nlmsg_free(msg); | |
8394 | } | |
8395 | ||
8396 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
8397 | struct net_device *netdev, const u8 *addr, |
8398 | gfp_t gfp) | |
1965c853 JM |
8399 | { |
8400 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 8401 | addr, gfp); |
1965c853 JM |
8402 | } |
8403 | ||
8404 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
8405 | struct net_device *netdev, const u8 *addr, |
8406 | gfp_t gfp) | |
1965c853 | 8407 | { |
e6d6e342 JB |
8408 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
8409 | addr, gfp); | |
1965c853 JM |
8410 | } |
8411 | ||
b23aa676 SO |
8412 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
8413 | struct net_device *netdev, const u8 *bssid, | |
8414 | const u8 *req_ie, size_t req_ie_len, | |
8415 | const u8 *resp_ie, size_t resp_ie_len, | |
8416 | u16 status, gfp_t gfp) | |
8417 | { | |
8418 | struct sk_buff *msg; | |
8419 | void *hdr; | |
8420 | ||
58050fce | 8421 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
8422 | if (!msg) |
8423 | return; | |
8424 | ||
8425 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
8426 | if (!hdr) { | |
8427 | nlmsg_free(msg); | |
8428 | return; | |
8429 | } | |
8430 | ||
9360ffd1 DM |
8431 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8432 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
8433 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
8434 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
8435 | (req_ie && | |
8436 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
8437 | (resp_ie && | |
8438 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
8439 | goto nla_put_failure; | |
b23aa676 | 8440 | |
3b7b72ee | 8441 | genlmsg_end(msg, hdr); |
b23aa676 | 8442 | |
463d0183 JB |
8443 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8444 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
8445 | return; |
8446 | ||
8447 | nla_put_failure: | |
8448 | genlmsg_cancel(msg, hdr); | |
8449 | nlmsg_free(msg); | |
8450 | ||
8451 | } | |
8452 | ||
8453 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
8454 | struct net_device *netdev, const u8 *bssid, | |
8455 | const u8 *req_ie, size_t req_ie_len, | |
8456 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
8457 | { | |
8458 | struct sk_buff *msg; | |
8459 | void *hdr; | |
8460 | ||
58050fce | 8461 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
8462 | if (!msg) |
8463 | return; | |
8464 | ||
8465 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
8466 | if (!hdr) { | |
8467 | nlmsg_free(msg); | |
8468 | return; | |
8469 | } | |
8470 | ||
9360ffd1 DM |
8471 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8472 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
8473 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
8474 | (req_ie && | |
8475 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
8476 | (resp_ie && | |
8477 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
8478 | goto nla_put_failure; | |
b23aa676 | 8479 | |
3b7b72ee | 8480 | genlmsg_end(msg, hdr); |
b23aa676 | 8481 | |
463d0183 JB |
8482 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8483 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
8484 | return; |
8485 | ||
8486 | nla_put_failure: | |
8487 | genlmsg_cancel(msg, hdr); | |
8488 | nlmsg_free(msg); | |
8489 | ||
8490 | } | |
8491 | ||
8492 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
8493 | struct net_device *netdev, u16 reason, | |
667503dd | 8494 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
8495 | { |
8496 | struct sk_buff *msg; | |
8497 | void *hdr; | |
8498 | ||
58050fce | 8499 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
8500 | if (!msg) |
8501 | return; | |
8502 | ||
8503 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
8504 | if (!hdr) { | |
8505 | nlmsg_free(msg); | |
8506 | return; | |
8507 | } | |
8508 | ||
9360ffd1 DM |
8509 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8510 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
8511 | (from_ap && reason && | |
8512 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
8513 | (from_ap && | |
8514 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
8515 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
8516 | goto nla_put_failure; | |
b23aa676 | 8517 | |
3b7b72ee | 8518 | genlmsg_end(msg, hdr); |
b23aa676 | 8519 | |
463d0183 JB |
8520 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8521 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
b23aa676 SO |
8522 | return; |
8523 | ||
8524 | nla_put_failure: | |
8525 | genlmsg_cancel(msg, hdr); | |
8526 | nlmsg_free(msg); | |
8527 | ||
8528 | } | |
8529 | ||
04a773ad JB |
8530 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
8531 | struct net_device *netdev, const u8 *bssid, | |
8532 | gfp_t gfp) | |
8533 | { | |
8534 | struct sk_buff *msg; | |
8535 | void *hdr; | |
8536 | ||
fd2120ca | 8537 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
8538 | if (!msg) |
8539 | return; | |
8540 | ||
8541 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
8542 | if (!hdr) { | |
8543 | nlmsg_free(msg); | |
8544 | return; | |
8545 | } | |
8546 | ||
9360ffd1 DM |
8547 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8548 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
8549 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
8550 | goto nla_put_failure; | |
04a773ad | 8551 | |
3b7b72ee | 8552 | genlmsg_end(msg, hdr); |
04a773ad | 8553 | |
463d0183 JB |
8554 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8555 | nl80211_mlme_mcgrp.id, gfp); | |
04a773ad JB |
8556 | return; |
8557 | ||
8558 | nla_put_failure: | |
8559 | genlmsg_cancel(msg, hdr); | |
8560 | nlmsg_free(msg); | |
8561 | } | |
8562 | ||
c93b5e71 JC |
8563 | void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, |
8564 | struct net_device *netdev, | |
8565 | const u8 *macaddr, const u8* ie, u8 ie_len, | |
8566 | gfp_t gfp) | |
8567 | { | |
8568 | struct sk_buff *msg; | |
8569 | void *hdr; | |
8570 | ||
8571 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
8572 | if (!msg) | |
8573 | return; | |
8574 | ||
8575 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
8576 | if (!hdr) { | |
8577 | nlmsg_free(msg); | |
8578 | return; | |
8579 | } | |
8580 | ||
9360ffd1 DM |
8581 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8582 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
8583 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr) || | |
8584 | (ie_len && ie && | |
8585 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
8586 | goto nla_put_failure; | |
c93b5e71 | 8587 | |
3b7b72ee | 8588 | genlmsg_end(msg, hdr); |
c93b5e71 JC |
8589 | |
8590 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
8591 | nl80211_mlme_mcgrp.id, gfp); | |
8592 | return; | |
8593 | ||
8594 | nla_put_failure: | |
8595 | genlmsg_cancel(msg, hdr); | |
8596 | nlmsg_free(msg); | |
8597 | } | |
8598 | ||
a3b8b056 JM |
8599 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
8600 | struct net_device *netdev, const u8 *addr, | |
8601 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 8602 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
8603 | { |
8604 | struct sk_buff *msg; | |
8605 | void *hdr; | |
8606 | ||
e6d6e342 | 8607 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
8608 | if (!msg) |
8609 | return; | |
8610 | ||
8611 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
8612 | if (!hdr) { | |
8613 | nlmsg_free(msg); | |
8614 | return; | |
8615 | } | |
8616 | ||
9360ffd1 DM |
8617 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8618 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
8619 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
8620 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
8621 | (key_id != -1 && | |
8622 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
8623 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
8624 | goto nla_put_failure; | |
a3b8b056 | 8625 | |
3b7b72ee | 8626 | genlmsg_end(msg, hdr); |
a3b8b056 | 8627 | |
463d0183 JB |
8628 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
8629 | nl80211_mlme_mcgrp.id, gfp); | |
a3b8b056 JM |
8630 | return; |
8631 | ||
8632 | nla_put_failure: | |
8633 | genlmsg_cancel(msg, hdr); | |
8634 | nlmsg_free(msg); | |
8635 | } | |
8636 | ||
6bad8766 LR |
8637 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
8638 | struct ieee80211_channel *channel_before, | |
8639 | struct ieee80211_channel *channel_after) | |
8640 | { | |
8641 | struct sk_buff *msg; | |
8642 | void *hdr; | |
8643 | struct nlattr *nl_freq; | |
8644 | ||
fd2120ca | 8645 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
8646 | if (!msg) |
8647 | return; | |
8648 | ||
8649 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
8650 | if (!hdr) { | |
8651 | nlmsg_free(msg); | |
8652 | return; | |
8653 | } | |
8654 | ||
8655 | /* | |
8656 | * Since we are applying the beacon hint to a wiphy we know its | |
8657 | * wiphy_idx is valid | |
8658 | */ | |
9360ffd1 DM |
8659 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
8660 | goto nla_put_failure; | |
6bad8766 LR |
8661 | |
8662 | /* Before */ | |
8663 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
8664 | if (!nl_freq) | |
8665 | goto nla_put_failure; | |
8666 | if (nl80211_msg_put_channel(msg, channel_before)) | |
8667 | goto nla_put_failure; | |
8668 | nla_nest_end(msg, nl_freq); | |
8669 | ||
8670 | /* After */ | |
8671 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
8672 | if (!nl_freq) | |
8673 | goto nla_put_failure; | |
8674 | if (nl80211_msg_put_channel(msg, channel_after)) | |
8675 | goto nla_put_failure; | |
8676 | nla_nest_end(msg, nl_freq); | |
8677 | ||
3b7b72ee | 8678 | genlmsg_end(msg, hdr); |
6bad8766 | 8679 | |
463d0183 JB |
8680 | rcu_read_lock(); |
8681 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, | |
8682 | GFP_ATOMIC); | |
8683 | rcu_read_unlock(); | |
6bad8766 LR |
8684 | |
8685 | return; | |
8686 | ||
8687 | nla_put_failure: | |
8688 | genlmsg_cancel(msg, hdr); | |
8689 | nlmsg_free(msg); | |
8690 | } | |
8691 | ||
9588bbd5 JM |
8692 | static void nl80211_send_remain_on_chan_event( |
8693 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 8694 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 8695 | struct ieee80211_channel *chan, |
9588bbd5 JM |
8696 | unsigned int duration, gfp_t gfp) |
8697 | { | |
8698 | struct sk_buff *msg; | |
8699 | void *hdr; | |
8700 | ||
8701 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
8702 | if (!msg) | |
8703 | return; | |
8704 | ||
8705 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
8706 | if (!hdr) { | |
8707 | nlmsg_free(msg); | |
8708 | return; | |
8709 | } | |
8710 | ||
9360ffd1 | 8711 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
8712 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
8713 | wdev->netdev->ifindex)) || | |
00f53350 | 8714 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 8715 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
8716 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
8717 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
8718 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8719 | goto nla_put_failure; | |
9588bbd5 | 8720 | |
9360ffd1 DM |
8721 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
8722 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
8723 | goto nla_put_failure; | |
9588bbd5 | 8724 | |
3b7b72ee | 8725 | genlmsg_end(msg, hdr); |
9588bbd5 JM |
8726 | |
8727 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
8728 | nl80211_mlme_mcgrp.id, gfp); | |
8729 | return; | |
8730 | ||
8731 | nla_put_failure: | |
8732 | genlmsg_cancel(msg, hdr); | |
8733 | nlmsg_free(msg); | |
8734 | } | |
8735 | ||
8736 | void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, | |
71bbc994 | 8737 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 8738 | struct ieee80211_channel *chan, |
9588bbd5 JM |
8739 | unsigned int duration, gfp_t gfp) |
8740 | { | |
8741 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, | |
71bbc994 | 8742 | rdev, wdev, cookie, chan, |
42d97a59 | 8743 | duration, gfp); |
9588bbd5 JM |
8744 | } |
8745 | ||
8746 | void nl80211_send_remain_on_channel_cancel( | |
71bbc994 JB |
8747 | struct cfg80211_registered_device *rdev, |
8748 | struct wireless_dev *wdev, | |
42d97a59 | 8749 | u64 cookie, struct ieee80211_channel *chan, gfp_t gfp) |
9588bbd5 JM |
8750 | { |
8751 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
42d97a59 | 8752 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 JM |
8753 | } |
8754 | ||
98b62183 JB |
8755 | void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, |
8756 | struct net_device *dev, const u8 *mac_addr, | |
8757 | struct station_info *sinfo, gfp_t gfp) | |
8758 | { | |
8759 | struct sk_buff *msg; | |
8760 | ||
58050fce | 8761 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
8762 | if (!msg) |
8763 | return; | |
8764 | ||
66266b3a JL |
8765 | if (nl80211_send_station(msg, 0, 0, 0, |
8766 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
8767 | nlmsg_free(msg); |
8768 | return; | |
8769 | } | |
8770 | ||
8771 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
8772 | nl80211_mlme_mcgrp.id, gfp); | |
8773 | } | |
8774 | ||
ec15e68b JM |
8775 | void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, |
8776 | struct net_device *dev, const u8 *mac_addr, | |
8777 | gfp_t gfp) | |
8778 | { | |
8779 | struct sk_buff *msg; | |
8780 | void *hdr; | |
8781 | ||
58050fce | 8782 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
8783 | if (!msg) |
8784 | return; | |
8785 | ||
8786 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
8787 | if (!hdr) { | |
8788 | nlmsg_free(msg); | |
8789 | return; | |
8790 | } | |
8791 | ||
9360ffd1 DM |
8792 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
8793 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
8794 | goto nla_put_failure; | |
ec15e68b | 8795 | |
3b7b72ee | 8796 | genlmsg_end(msg, hdr); |
ec15e68b JM |
8797 | |
8798 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
8799 | nl80211_mlme_mcgrp.id, gfp); | |
8800 | return; | |
8801 | ||
8802 | nla_put_failure: | |
8803 | genlmsg_cancel(msg, hdr); | |
8804 | nlmsg_free(msg); | |
8805 | } | |
8806 | ||
ed44a951 PP |
8807 | void nl80211_send_conn_failed_event(struct cfg80211_registered_device *rdev, |
8808 | struct net_device *dev, const u8 *mac_addr, | |
8809 | enum nl80211_connect_failed_reason reason, | |
8810 | gfp_t gfp) | |
8811 | { | |
8812 | struct sk_buff *msg; | |
8813 | void *hdr; | |
8814 | ||
8815 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
8816 | if (!msg) | |
8817 | return; | |
8818 | ||
8819 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
8820 | if (!hdr) { | |
8821 | nlmsg_free(msg); | |
8822 | return; | |
8823 | } | |
8824 | ||
8825 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
8826 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
8827 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
8828 | goto nla_put_failure; | |
8829 | ||
8830 | genlmsg_end(msg, hdr); | |
8831 | ||
8832 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
8833 | nl80211_mlme_mcgrp.id, gfp); | |
8834 | return; | |
8835 | ||
8836 | nla_put_failure: | |
8837 | genlmsg_cancel(msg, hdr); | |
8838 | nlmsg_free(msg); | |
8839 | } | |
8840 | ||
b92ab5d8 JB |
8841 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
8842 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
8843 | { |
8844 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8845 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
8846 | struct sk_buff *msg; | |
8847 | void *hdr; | |
8848 | int err; | |
15e47304 | 8849 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 8850 | |
15e47304 | 8851 | if (!nlportid) |
28946da7 JB |
8852 | return false; |
8853 | ||
8854 | msg = nlmsg_new(100, gfp); | |
8855 | if (!msg) | |
8856 | return true; | |
8857 | ||
b92ab5d8 | 8858 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
8859 | if (!hdr) { |
8860 | nlmsg_free(msg); | |
8861 | return true; | |
8862 | } | |
8863 | ||
9360ffd1 DM |
8864 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8865 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
8866 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
8867 | goto nla_put_failure; | |
28946da7 JB |
8868 | |
8869 | err = genlmsg_end(msg, hdr); | |
8870 | if (err < 0) { | |
8871 | nlmsg_free(msg); | |
8872 | return true; | |
8873 | } | |
8874 | ||
15e47304 | 8875 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
8876 | return true; |
8877 | ||
8878 | nla_put_failure: | |
8879 | genlmsg_cancel(msg, hdr); | |
8880 | nlmsg_free(msg); | |
8881 | return true; | |
8882 | } | |
8883 | ||
b92ab5d8 JB |
8884 | bool nl80211_unexpected_frame(struct net_device *dev, const u8 *addr, gfp_t gfp) |
8885 | { | |
8886 | return __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
8887 | addr, gfp); | |
8888 | } | |
8889 | ||
8890 | bool nl80211_unexpected_4addr_frame(struct net_device *dev, | |
8891 | const u8 *addr, gfp_t gfp) | |
8892 | { | |
8893 | return __nl80211_unexpected_frame(dev, | |
8894 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
8895 | addr, gfp); | |
8896 | } | |
8897 | ||
2e161f78 | 8898 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 8899 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 JB |
8900 | int freq, int sig_dbm, |
8901 | const u8 *buf, size_t len, gfp_t gfp) | |
026331c4 | 8902 | { |
71bbc994 | 8903 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
8904 | struct sk_buff *msg; |
8905 | void *hdr; | |
026331c4 JM |
8906 | |
8907 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
8908 | if (!msg) | |
8909 | return -ENOMEM; | |
8910 | ||
2e161f78 | 8911 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
8912 | if (!hdr) { |
8913 | nlmsg_free(msg); | |
8914 | return -ENOMEM; | |
8915 | } | |
8916 | ||
9360ffd1 | 8917 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
8918 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
8919 | netdev->ifindex)) || | |
9360ffd1 DM |
8920 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
8921 | (sig_dbm && | |
8922 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
8923 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
8924 | goto nla_put_failure; | |
026331c4 | 8925 | |
3b7b72ee | 8926 | genlmsg_end(msg, hdr); |
026331c4 | 8927 | |
15e47304 | 8928 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
8929 | |
8930 | nla_put_failure: | |
8931 | genlmsg_cancel(msg, hdr); | |
8932 | nlmsg_free(msg); | |
8933 | return -ENOBUFS; | |
8934 | } | |
8935 | ||
2e161f78 | 8936 | void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, |
71bbc994 | 8937 | struct wireless_dev *wdev, u64 cookie, |
2e161f78 JB |
8938 | const u8 *buf, size_t len, bool ack, |
8939 | gfp_t gfp) | |
026331c4 | 8940 | { |
71bbc994 | 8941 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
8942 | struct sk_buff *msg; |
8943 | void *hdr; | |
8944 | ||
8945 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
8946 | if (!msg) | |
8947 | return; | |
8948 | ||
2e161f78 | 8949 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
8950 | if (!hdr) { |
8951 | nlmsg_free(msg); | |
8952 | return; | |
8953 | } | |
8954 | ||
9360ffd1 | 8955 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
8956 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
8957 | netdev->ifindex)) || | |
9360ffd1 DM |
8958 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
8959 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
8960 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
8961 | goto nla_put_failure; | |
026331c4 | 8962 | |
3b7b72ee | 8963 | genlmsg_end(msg, hdr); |
026331c4 JM |
8964 | |
8965 | genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); | |
8966 | return; | |
8967 | ||
8968 | nla_put_failure: | |
8969 | genlmsg_cancel(msg, hdr); | |
8970 | nlmsg_free(msg); | |
8971 | } | |
8972 | ||
d6dc1a38 JO |
8973 | void |
8974 | nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, | |
8975 | struct net_device *netdev, | |
8976 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
8977 | gfp_t gfp) | |
8978 | { | |
8979 | struct sk_buff *msg; | |
8980 | struct nlattr *pinfoattr; | |
8981 | void *hdr; | |
8982 | ||
58050fce | 8983 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
8984 | if (!msg) |
8985 | return; | |
8986 | ||
8987 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
8988 | if (!hdr) { | |
8989 | nlmsg_free(msg); | |
8990 | return; | |
8991 | } | |
8992 | ||
9360ffd1 DM |
8993 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
8994 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
8995 | goto nla_put_failure; | |
d6dc1a38 JO |
8996 | |
8997 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
8998 | if (!pinfoattr) | |
8999 | goto nla_put_failure; | |
9000 | ||
9360ffd1 DM |
9001 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
9002 | rssi_event)) | |
9003 | goto nla_put_failure; | |
d6dc1a38 JO |
9004 | |
9005 | nla_nest_end(msg, pinfoattr); | |
9006 | ||
3b7b72ee | 9007 | genlmsg_end(msg, hdr); |
d6dc1a38 JO |
9008 | |
9009 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9010 | nl80211_mlme_mcgrp.id, gfp); | |
9011 | return; | |
9012 | ||
9013 | nla_put_failure: | |
9014 | genlmsg_cancel(msg, hdr); | |
9015 | nlmsg_free(msg); | |
9016 | } | |
9017 | ||
e5497d76 JB |
9018 | void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
9019 | struct net_device *netdev, const u8 *bssid, | |
9020 | const u8 *replay_ctr, gfp_t gfp) | |
9021 | { | |
9022 | struct sk_buff *msg; | |
9023 | struct nlattr *rekey_attr; | |
9024 | void *hdr; | |
9025 | ||
58050fce | 9026 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
9027 | if (!msg) |
9028 | return; | |
9029 | ||
9030 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
9031 | if (!hdr) { | |
9032 | nlmsg_free(msg); | |
9033 | return; | |
9034 | } | |
9035 | ||
9360ffd1 DM |
9036 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9037 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9038 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
9039 | goto nla_put_failure; | |
e5497d76 JB |
9040 | |
9041 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
9042 | if (!rekey_attr) | |
9043 | goto nla_put_failure; | |
9044 | ||
9360ffd1 DM |
9045 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
9046 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
9047 | goto nla_put_failure; | |
e5497d76 JB |
9048 | |
9049 | nla_nest_end(msg, rekey_attr); | |
9050 | ||
3b7b72ee | 9051 | genlmsg_end(msg, hdr); |
e5497d76 JB |
9052 | |
9053 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9054 | nl80211_mlme_mcgrp.id, gfp); | |
9055 | return; | |
9056 | ||
9057 | nla_put_failure: | |
9058 | genlmsg_cancel(msg, hdr); | |
9059 | nlmsg_free(msg); | |
9060 | } | |
9061 | ||
c9df56b4 JM |
9062 | void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, |
9063 | struct net_device *netdev, int index, | |
9064 | const u8 *bssid, bool preauth, gfp_t gfp) | |
9065 | { | |
9066 | struct sk_buff *msg; | |
9067 | struct nlattr *attr; | |
9068 | void *hdr; | |
9069 | ||
58050fce | 9070 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
9071 | if (!msg) |
9072 | return; | |
9073 | ||
9074 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
9075 | if (!hdr) { | |
9076 | nlmsg_free(msg); | |
9077 | return; | |
9078 | } | |
9079 | ||
9360ffd1 DM |
9080 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9081 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
9082 | goto nla_put_failure; | |
c9df56b4 JM |
9083 | |
9084 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
9085 | if (!attr) | |
9086 | goto nla_put_failure; | |
9087 | ||
9360ffd1 DM |
9088 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
9089 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
9090 | (preauth && | |
9091 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
9092 | goto nla_put_failure; | |
c9df56b4 JM |
9093 | |
9094 | nla_nest_end(msg, attr); | |
9095 | ||
3b7b72ee | 9096 | genlmsg_end(msg, hdr); |
c9df56b4 JM |
9097 | |
9098 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9099 | nl80211_mlme_mcgrp.id, gfp); | |
9100 | return; | |
9101 | ||
9102 | nla_put_failure: | |
9103 | genlmsg_cancel(msg, hdr); | |
9104 | nlmsg_free(msg); | |
9105 | } | |
9106 | ||
5314526b | 9107 | void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, |
683b6d3b JB |
9108 | struct net_device *netdev, |
9109 | struct cfg80211_chan_def *chandef, gfp_t gfp) | |
5314526b TP |
9110 | { |
9111 | struct sk_buff *msg; | |
9112 | void *hdr; | |
9113 | ||
58050fce | 9114 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
9115 | if (!msg) |
9116 | return; | |
9117 | ||
9118 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
9119 | if (!hdr) { | |
9120 | nlmsg_free(msg); | |
9121 | return; | |
9122 | } | |
9123 | ||
683b6d3b JB |
9124 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
9125 | goto nla_put_failure; | |
9126 | ||
9127 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 9128 | goto nla_put_failure; |
5314526b TP |
9129 | |
9130 | genlmsg_end(msg, hdr); | |
9131 | ||
9132 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9133 | nl80211_mlme_mcgrp.id, gfp); | |
9134 | return; | |
9135 | ||
9136 | nla_put_failure: | |
9137 | genlmsg_cancel(msg, hdr); | |
9138 | nlmsg_free(msg); | |
9139 | } | |
9140 | ||
84f10708 TP |
9141 | void |
9142 | nl80211_send_cqm_txe_notify(struct cfg80211_registered_device *rdev, | |
9143 | struct net_device *netdev, const u8 *peer, | |
9144 | u32 num_packets, u32 rate, u32 intvl, gfp_t gfp) | |
9145 | { | |
9146 | struct sk_buff *msg; | |
9147 | struct nlattr *pinfoattr; | |
9148 | void *hdr; | |
9149 | ||
9150 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
9151 | if (!msg) | |
9152 | return; | |
9153 | ||
9154 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
9155 | if (!hdr) { | |
9156 | nlmsg_free(msg); | |
9157 | return; | |
9158 | } | |
9159 | ||
9160 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
9161 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9162 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) | |
9163 | goto nla_put_failure; | |
9164 | ||
9165 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
9166 | if (!pinfoattr) | |
9167 | goto nla_put_failure; | |
9168 | ||
9169 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
9170 | goto nla_put_failure; | |
9171 | ||
9172 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
9173 | goto nla_put_failure; | |
9174 | ||
9175 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
9176 | goto nla_put_failure; | |
9177 | ||
9178 | nla_nest_end(msg, pinfoattr); | |
9179 | ||
9180 | genlmsg_end(msg, hdr); | |
9181 | ||
9182 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9183 | nl80211_mlme_mcgrp.id, gfp); | |
9184 | return; | |
9185 | ||
9186 | nla_put_failure: | |
9187 | genlmsg_cancel(msg, hdr); | |
9188 | nlmsg_free(msg); | |
9189 | } | |
9190 | ||
c063dbf5 JB |
9191 | void |
9192 | nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, | |
9193 | struct net_device *netdev, const u8 *peer, | |
9194 | u32 num_packets, gfp_t gfp) | |
9195 | { | |
9196 | struct sk_buff *msg; | |
9197 | struct nlattr *pinfoattr; | |
9198 | void *hdr; | |
9199 | ||
58050fce | 9200 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
9201 | if (!msg) |
9202 | return; | |
9203 | ||
9204 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
9205 | if (!hdr) { | |
9206 | nlmsg_free(msg); | |
9207 | return; | |
9208 | } | |
9209 | ||
9360ffd1 DM |
9210 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9211 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9212 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) | |
9213 | goto nla_put_failure; | |
c063dbf5 JB |
9214 | |
9215 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
9216 | if (!pinfoattr) | |
9217 | goto nla_put_failure; | |
9218 | ||
9360ffd1 DM |
9219 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
9220 | goto nla_put_failure; | |
c063dbf5 JB |
9221 | |
9222 | nla_nest_end(msg, pinfoattr); | |
9223 | ||
3b7b72ee | 9224 | genlmsg_end(msg, hdr); |
c063dbf5 JB |
9225 | |
9226 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9227 | nl80211_mlme_mcgrp.id, gfp); | |
9228 | return; | |
9229 | ||
9230 | nla_put_failure: | |
9231 | genlmsg_cancel(msg, hdr); | |
9232 | nlmsg_free(msg); | |
9233 | } | |
9234 | ||
7f6cf311 JB |
9235 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
9236 | u64 cookie, bool acked, gfp_t gfp) | |
9237 | { | |
9238 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9239 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
9240 | struct sk_buff *msg; | |
9241 | void *hdr; | |
9242 | int err; | |
9243 | ||
4ee3e063 BL |
9244 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
9245 | ||
58050fce | 9246 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 9247 | |
7f6cf311 JB |
9248 | if (!msg) |
9249 | return; | |
9250 | ||
9251 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
9252 | if (!hdr) { | |
9253 | nlmsg_free(msg); | |
9254 | return; | |
9255 | } | |
9256 | ||
9360ffd1 DM |
9257 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9258 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
9259 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9260 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
9261 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
9262 | goto nla_put_failure; | |
7f6cf311 JB |
9263 | |
9264 | err = genlmsg_end(msg, hdr); | |
9265 | if (err < 0) { | |
9266 | nlmsg_free(msg); | |
9267 | return; | |
9268 | } | |
9269 | ||
9270 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9271 | nl80211_mlme_mcgrp.id, gfp); | |
9272 | return; | |
9273 | ||
9274 | nla_put_failure: | |
9275 | genlmsg_cancel(msg, hdr); | |
9276 | nlmsg_free(msg); | |
9277 | } | |
9278 | EXPORT_SYMBOL(cfg80211_probe_status); | |
9279 | ||
5e760230 JB |
9280 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
9281 | const u8 *frame, size_t len, | |
37c73b5f | 9282 | int freq, int sig_dbm) |
5e760230 JB |
9283 | { |
9284 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
9285 | struct sk_buff *msg; | |
9286 | void *hdr; | |
37c73b5f | 9287 | struct cfg80211_beacon_registration *reg; |
5e760230 | 9288 | |
4ee3e063 BL |
9289 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
9290 | ||
37c73b5f BG |
9291 | spin_lock_bh(&rdev->beacon_registrations_lock); |
9292 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
9293 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
9294 | if (!msg) { | |
9295 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
9296 | return; | |
9297 | } | |
5e760230 | 9298 | |
37c73b5f BG |
9299 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
9300 | if (!hdr) | |
9301 | goto nla_put_failure; | |
5e760230 | 9302 | |
37c73b5f BG |
9303 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9304 | (freq && | |
9305 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
9306 | (sig_dbm && | |
9307 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
9308 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
9309 | goto nla_put_failure; | |
5e760230 | 9310 | |
37c73b5f | 9311 | genlmsg_end(msg, hdr); |
5e760230 | 9312 | |
37c73b5f BG |
9313 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
9314 | } | |
9315 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
9316 | return; |
9317 | ||
9318 | nla_put_failure: | |
37c73b5f BG |
9319 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
9320 | if (hdr) | |
9321 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
9322 | nlmsg_free(msg); |
9323 | } | |
9324 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
9325 | ||
3475b094 JM |
9326 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
9327 | enum nl80211_tdls_operation oper, | |
9328 | u16 reason_code, gfp_t gfp) | |
9329 | { | |
9330 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9331 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
9332 | struct sk_buff *msg; | |
9333 | void *hdr; | |
9334 | int err; | |
9335 | ||
9336 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
9337 | reason_code); | |
9338 | ||
9339 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
9340 | if (!msg) | |
9341 | return; | |
9342 | ||
9343 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
9344 | if (!hdr) { | |
9345 | nlmsg_free(msg); | |
9346 | return; | |
9347 | } | |
9348 | ||
9349 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
9350 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
9351 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
9352 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
9353 | (reason_code > 0 && | |
9354 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
9355 | goto nla_put_failure; | |
9356 | ||
9357 | err = genlmsg_end(msg, hdr); | |
9358 | if (err < 0) { | |
9359 | nlmsg_free(msg); | |
9360 | return; | |
9361 | } | |
9362 | ||
9363 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9364 | nl80211_mlme_mcgrp.id, gfp); | |
9365 | return; | |
9366 | ||
9367 | nla_put_failure: | |
9368 | genlmsg_cancel(msg, hdr); | |
9369 | nlmsg_free(msg); | |
9370 | } | |
9371 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
9372 | ||
026331c4 JM |
9373 | static int nl80211_netlink_notify(struct notifier_block * nb, |
9374 | unsigned long state, | |
9375 | void *_notify) | |
9376 | { | |
9377 | struct netlink_notify *notify = _notify; | |
9378 | struct cfg80211_registered_device *rdev; | |
9379 | struct wireless_dev *wdev; | |
37c73b5f | 9380 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
9381 | |
9382 | if (state != NETLINK_URELEASE) | |
9383 | return NOTIFY_DONE; | |
9384 | ||
9385 | rcu_read_lock(); | |
9386 | ||
5e760230 | 9387 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
89a54e48 | 9388 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) |
15e47304 | 9389 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f BG |
9390 | |
9391 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
9392 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
9393 | list) { | |
9394 | if (reg->nlportid == notify->portid) { | |
9395 | list_del(®->list); | |
9396 | kfree(reg); | |
9397 | break; | |
9398 | } | |
9399 | } | |
9400 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 9401 | } |
026331c4 JM |
9402 | |
9403 | rcu_read_unlock(); | |
9404 | ||
9405 | return NOTIFY_DONE; | |
9406 | } | |
9407 | ||
9408 | static struct notifier_block nl80211_netlink_notifier = { | |
9409 | .notifier_call = nl80211_netlink_notify, | |
9410 | }; | |
9411 | ||
55682965 JB |
9412 | /* initialisation/exit functions */ |
9413 | ||
9414 | int nl80211_init(void) | |
9415 | { | |
0d63cbb5 | 9416 | int err; |
55682965 | 9417 | |
0d63cbb5 MM |
9418 | err = genl_register_family_with_ops(&nl80211_fam, |
9419 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); | |
55682965 JB |
9420 | if (err) |
9421 | return err; | |
9422 | ||
55682965 JB |
9423 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
9424 | if (err) | |
9425 | goto err_out; | |
9426 | ||
2a519311 JB |
9427 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
9428 | if (err) | |
9429 | goto err_out; | |
9430 | ||
73d54c9e LR |
9431 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
9432 | if (err) | |
9433 | goto err_out; | |
9434 | ||
6039f6d2 JM |
9435 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
9436 | if (err) | |
9437 | goto err_out; | |
9438 | ||
aff89a9b JB |
9439 | #ifdef CONFIG_NL80211_TESTMODE |
9440 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); | |
9441 | if (err) | |
9442 | goto err_out; | |
9443 | #endif | |
9444 | ||
026331c4 JM |
9445 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
9446 | if (err) | |
9447 | goto err_out; | |
9448 | ||
55682965 JB |
9449 | return 0; |
9450 | err_out: | |
9451 | genl_unregister_family(&nl80211_fam); | |
9452 | return err; | |
9453 | } | |
9454 | ||
9455 | void nl80211_exit(void) | |
9456 | { | |
026331c4 | 9457 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
9458 | genl_unregister_family(&nl80211_fam); |
9459 | } |