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Commit | Line | Data |
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55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
2740f0cf | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
55682965 JB |
6 | */ |
7 | ||
8 | #include <linux/if.h> | |
9 | #include <linux/module.h> | |
10 | #include <linux/err.h> | |
5a0e3ad6 | 11 | #include <linux/slab.h> |
55682965 JB |
12 | #include <linux/list.h> |
13 | #include <linux/if_ether.h> | |
14 | #include <linux/ieee80211.h> | |
15 | #include <linux/nl80211.h> | |
16 | #include <linux/rtnetlink.h> | |
17 | #include <linux/netlink.h> | |
2a519311 | 18 | #include <linux/etherdevice.h> |
463d0183 | 19 | #include <net/net_namespace.h> |
55682965 JB |
20 | #include <net/genetlink.h> |
21 | #include <net/cfg80211.h> | |
463d0183 | 22 | #include <net/sock.h> |
2a0e047e | 23 | #include <net/inet_connection_sock.h> |
55682965 JB |
24 | #include "core.h" |
25 | #include "nl80211.h" | |
b2e1b302 | 26 | #include "reg.h" |
e35e4d28 | 27 | #include "rdev-ops.h" |
55682965 | 28 | |
5fb628e9 JM |
29 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
30 | struct genl_info *info, | |
31 | struct cfg80211_crypto_settings *settings, | |
32 | int cipher_limit); | |
33 | ||
f84f771d | 34 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 | 35 | struct genl_info *info); |
f84f771d | 36 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
37 | struct genl_info *info); |
38 | ||
55682965 JB |
39 | /* the netlink family */ |
40 | static struct genl_family nl80211_fam = { | |
fb4e1568 MH |
41 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
42 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ | |
43 | .hdrsize = 0, /* no private header */ | |
44 | .version = 1, /* no particular meaning now */ | |
55682965 | 45 | .maxattr = NL80211_ATTR_MAX, |
463d0183 | 46 | .netnsok = true, |
4c476991 JB |
47 | .pre_doit = nl80211_pre_doit, |
48 | .post_doit = nl80211_post_doit, | |
55682965 JB |
49 | }; |
50 | ||
2a94fe48 JB |
51 | /* multicast groups */ |
52 | enum nl80211_multicast_groups { | |
53 | NL80211_MCGRP_CONFIG, | |
54 | NL80211_MCGRP_SCAN, | |
55 | NL80211_MCGRP_REGULATORY, | |
56 | NL80211_MCGRP_MLME, | |
567ffc35 | 57 | NL80211_MCGRP_VENDOR, |
2a94fe48 JB |
58 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
59 | }; | |
60 | ||
61 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
62 | [NL80211_MCGRP_CONFIG] = { .name = "config", }, | |
63 | [NL80211_MCGRP_SCAN] = { .name = "scan", }, | |
64 | [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", }, | |
65 | [NL80211_MCGRP_MLME] = { .name = "mlme", }, | |
567ffc35 | 66 | [NL80211_MCGRP_VENDOR] = { .name = "vendor", }, |
2a94fe48 JB |
67 | #ifdef CONFIG_NL80211_TESTMODE |
68 | [NL80211_MCGRP_TESTMODE] = { .name = "testmode", } | |
69 | #endif | |
70 | }; | |
71 | ||
89a54e48 JB |
72 | /* returns ERR_PTR values */ |
73 | static struct wireless_dev * | |
74 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 75 | { |
89a54e48 JB |
76 | struct cfg80211_registered_device *rdev; |
77 | struct wireless_dev *result = NULL; | |
78 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
79 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
80 | u64 wdev_id; | |
81 | int wiphy_idx = -1; | |
82 | int ifidx = -1; | |
55682965 | 83 | |
5fe231e8 | 84 | ASSERT_RTNL(); |
55682965 | 85 | |
89a54e48 JB |
86 | if (!have_ifidx && !have_wdev_id) |
87 | return ERR_PTR(-EINVAL); | |
55682965 | 88 | |
89a54e48 JB |
89 | if (have_ifidx) |
90 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
91 | if (have_wdev_id) { | |
92 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
93 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
94 | } |
95 | ||
89a54e48 JB |
96 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
97 | struct wireless_dev *wdev; | |
98 | ||
99 | if (wiphy_net(&rdev->wiphy) != netns) | |
100 | continue; | |
101 | ||
102 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
103 | continue; | |
104 | ||
89a54e48 JB |
105 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
106 | if (have_ifidx && wdev->netdev && | |
107 | wdev->netdev->ifindex == ifidx) { | |
108 | result = wdev; | |
109 | break; | |
110 | } | |
111 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
112 | result = wdev; | |
113 | break; | |
114 | } | |
115 | } | |
89a54e48 JB |
116 | |
117 | if (result) | |
118 | break; | |
119 | } | |
120 | ||
121 | if (result) | |
122 | return result; | |
123 | return ERR_PTR(-ENODEV); | |
55682965 JB |
124 | } |
125 | ||
a9455408 | 126 | static struct cfg80211_registered_device * |
878d9ec7 | 127 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 128 | { |
7fee4778 JB |
129 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
130 | struct net_device *netdev; | |
a9455408 | 131 | |
5fe231e8 | 132 | ASSERT_RTNL(); |
a9455408 | 133 | |
878d9ec7 | 134 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
135 | !attrs[NL80211_ATTR_IFINDEX] && |
136 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
137 | return ERR_PTR(-EINVAL); |
138 | ||
878d9ec7 | 139 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 140 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 141 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 142 | |
89a54e48 JB |
143 | if (attrs[NL80211_ATTR_WDEV]) { |
144 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
145 | struct wireless_dev *wdev; | |
146 | bool found = false; | |
147 | ||
148 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
149 | if (tmp) { | |
150 | /* make sure wdev exists */ | |
89a54e48 JB |
151 | list_for_each_entry(wdev, &tmp->wdev_list, list) { |
152 | if (wdev->identifier != (u32)wdev_id) | |
153 | continue; | |
154 | found = true; | |
155 | break; | |
156 | } | |
89a54e48 JB |
157 | |
158 | if (!found) | |
159 | tmp = NULL; | |
160 | ||
161 | if (rdev && tmp != rdev) | |
162 | return ERR_PTR(-EINVAL); | |
163 | rdev = tmp; | |
164 | } | |
165 | } | |
166 | ||
878d9ec7 JB |
167 | if (attrs[NL80211_ATTR_IFINDEX]) { |
168 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7f2b8562 | 169 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
170 | if (netdev) { |
171 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
172 | tmp = wiphy_to_rdev( |
173 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
174 | else |
175 | tmp = NULL; | |
176 | ||
7fee4778 JB |
177 | /* not wireless device -- return error */ |
178 | if (!tmp) | |
179 | return ERR_PTR(-EINVAL); | |
180 | ||
181 | /* mismatch -- return error */ | |
182 | if (rdev && tmp != rdev) | |
183 | return ERR_PTR(-EINVAL); | |
184 | ||
185 | rdev = tmp; | |
a9455408 | 186 | } |
a9455408 | 187 | } |
a9455408 | 188 | |
4f7eff10 JB |
189 | if (!rdev) |
190 | return ERR_PTR(-ENODEV); | |
a9455408 | 191 | |
4f7eff10 JB |
192 | if (netns != wiphy_net(&rdev->wiphy)) |
193 | return ERR_PTR(-ENODEV); | |
194 | ||
195 | return rdev; | |
a9455408 JB |
196 | } |
197 | ||
198 | /* | |
199 | * This function returns a pointer to the driver | |
200 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
201 | * |
202 | * The result of this can be a PTR_ERR and hence must | |
203 | * be checked with IS_ERR() for errors. | |
204 | */ | |
205 | static struct cfg80211_registered_device * | |
4f7eff10 | 206 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 207 | { |
5fe231e8 | 208 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
209 | } |
210 | ||
55682965 | 211 | /* policy for the attributes */ |
b54452b0 | 212 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
213 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
214 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 215 | .len = 20-1 }, |
31888487 | 216 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 217 | |
72bdcf34 | 218 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 219 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
220 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
221 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
222 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
223 | ||
b9a5f8ca JM |
224 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
225 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
226 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
227 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 228 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
229 | |
230 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
231 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
232 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 233 | |
e007b857 EP |
234 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
235 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 236 | |
b9454e83 | 237 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
238 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
239 | .len = WLAN_MAX_KEY_LEN }, | |
240 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
241 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
242 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 243 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 244 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
245 | |
246 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
247 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
248 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
249 | .len = IEEE80211_MAX_DATA_LEN }, | |
250 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
251 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
252 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
253 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
254 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
255 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
256 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 257 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 258 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 259 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 260 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 261 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 262 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 263 | |
b2e1b302 LR |
264 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
265 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
266 | ||
9f1ba906 JM |
267 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
268 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
269 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
270 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
271 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 272 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 273 | |
24bdd9f4 | 274 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 275 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 276 | |
6c739419 | 277 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
278 | |
279 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
280 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
281 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
282 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
283 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
284 | |
285 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
286 | .len = IEEE80211_MAX_SSID_LEN }, | |
287 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
288 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 289 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 290 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 291 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
292 | [NL80211_ATTR_STA_FLAGS2] = { |
293 | .len = sizeof(struct nl80211_sta_flag_update), | |
294 | }, | |
3f77316c | 295 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
296 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
297 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
298 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
299 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
300 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 301 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 302 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
303 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
304 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
305 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
306 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 307 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
308 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
309 | .len = IEEE80211_MAX_DATA_LEN }, | |
310 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 311 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 312 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 313 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 314 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
315 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
316 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 317 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
318 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
319 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 320 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 321 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 322 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 323 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 324 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 325 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 326 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 327 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 328 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
329 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
330 | .len = IEEE80211_MAX_DATA_LEN }, | |
331 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
332 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 333 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 334 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 335 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
336 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
337 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
338 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
339 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
340 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 341 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 342 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
343 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
344 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 345 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
346 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
347 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
348 | .len = NL80211_HT_CAPABILITY_LEN | |
349 | }, | |
1d9d9213 | 350 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 351 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 352 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 353 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 354 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 355 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 356 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 357 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
358 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
359 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
360 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
361 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
362 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
363 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 364 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
365 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
366 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
367 | .len = NL80211_VHT_CAPABILITY_LEN, | |
368 | }, | |
355199e0 JM |
369 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
370 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
371 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 372 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
373 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
374 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
375 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
376 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
377 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
378 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
379 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 380 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 381 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
382 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
383 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
384 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
385 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
386 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
387 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
388 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 389 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
78f22b6a | 390 | [NL80211_ATTR_IFACE_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 391 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 392 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
55682965 JB |
393 | }; |
394 | ||
e31b8213 | 395 | /* policy for the key attributes */ |
b54452b0 | 396 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 397 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
398 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
399 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 400 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
401 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
402 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 403 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
404 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
405 | }; | |
406 | ||
407 | /* policy for the key default flags */ | |
408 | static const struct nla_policy | |
409 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
410 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
411 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
412 | }; |
413 | ||
ff1b6e69 JB |
414 | /* policy for WoWLAN attributes */ |
415 | static const struct nla_policy | |
416 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
417 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
418 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
419 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
420 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
421 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
422 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
423 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
424 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e JB |
425 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
426 | }; | |
427 | ||
428 | static const struct nla_policy | |
429 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
430 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
431 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
432 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
433 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
434 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
435 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
436 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
437 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
438 | }, | |
439 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
440 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
441 | }, | |
442 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
443 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
444 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
445 | }; |
446 | ||
be29b99a AK |
447 | /* policy for coalesce rule attributes */ |
448 | static const struct nla_policy | |
449 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
450 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
451 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
452 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
453 | }; | |
454 | ||
e5497d76 JB |
455 | /* policy for GTK rekey offload attributes */ |
456 | static const struct nla_policy | |
457 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
458 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
459 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
460 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
461 | }; | |
462 | ||
a1f1c21c LC |
463 | static const struct nla_policy |
464 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 465 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 466 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 467 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
468 | }; |
469 | ||
97990a06 JB |
470 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
471 | struct netlink_callback *cb, | |
472 | struct cfg80211_registered_device **rdev, | |
473 | struct wireless_dev **wdev) | |
a043897a | 474 | { |
97990a06 | 475 | int err; |
a043897a | 476 | |
97990a06 | 477 | rtnl_lock(); |
a043897a | 478 | |
97990a06 JB |
479 | if (!cb->args[0]) { |
480 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
481 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
482 | nl80211_policy); | |
483 | if (err) | |
484 | goto out_unlock; | |
67748893 | 485 | |
97990a06 JB |
486 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
487 | nl80211_fam.attrbuf); | |
488 | if (IS_ERR(*wdev)) { | |
489 | err = PTR_ERR(*wdev); | |
490 | goto out_unlock; | |
491 | } | |
f26cbf40 | 492 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
493 | /* 0 is the first index - add 1 to parse only once */ |
494 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
495 | cb->args[1] = (*wdev)->identifier; |
496 | } else { | |
c319d50b JB |
497 | /* subtract the 1 again here */ |
498 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 499 | struct wireless_dev *tmp; |
67748893 | 500 | |
97990a06 JB |
501 | if (!wiphy) { |
502 | err = -ENODEV; | |
503 | goto out_unlock; | |
504 | } | |
f26cbf40 | 505 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 506 | *wdev = NULL; |
67748893 | 507 | |
97990a06 JB |
508 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
509 | if (tmp->identifier == cb->args[1]) { | |
510 | *wdev = tmp; | |
511 | break; | |
512 | } | |
513 | } | |
67748893 | 514 | |
97990a06 JB |
515 | if (!*wdev) { |
516 | err = -ENODEV; | |
517 | goto out_unlock; | |
518 | } | |
67748893 JB |
519 | } |
520 | ||
67748893 | 521 | return 0; |
97990a06 | 522 | out_unlock: |
67748893 JB |
523 | rtnl_unlock(); |
524 | return err; | |
525 | } | |
526 | ||
97990a06 | 527 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 528 | { |
67748893 JB |
529 | rtnl_unlock(); |
530 | } | |
531 | ||
f4a11bb0 JB |
532 | /* IE validation */ |
533 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
534 | { | |
535 | const u8 *pos; | |
536 | int len; | |
537 | ||
538 | if (!attr) | |
539 | return true; | |
540 | ||
541 | pos = nla_data(attr); | |
542 | len = nla_len(attr); | |
543 | ||
544 | while (len) { | |
545 | u8 elemlen; | |
546 | ||
547 | if (len < 2) | |
548 | return false; | |
549 | len -= 2; | |
550 | ||
551 | elemlen = pos[1]; | |
552 | if (elemlen > len) | |
553 | return false; | |
554 | ||
555 | len -= elemlen; | |
556 | pos += 2 + elemlen; | |
557 | } | |
558 | ||
559 | return true; | |
560 | } | |
561 | ||
55682965 | 562 | /* message building helper */ |
15e47304 | 563 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
564 | int flags, u8 cmd) |
565 | { | |
566 | /* since there is no private header just add the generic one */ | |
15e47304 | 567 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
568 | } |
569 | ||
5dab3b8a | 570 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
571 | struct ieee80211_channel *chan, |
572 | bool large) | |
5dab3b8a | 573 | { |
ea077c1c RL |
574 | /* Some channels must be completely excluded from the |
575 | * list to protect old user-space tools from breaking | |
576 | */ | |
577 | if (!large && chan->flags & | |
578 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
579 | return 0; | |
580 | ||
9360ffd1 DM |
581 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
582 | chan->center_freq)) | |
583 | goto nla_put_failure; | |
5dab3b8a | 584 | |
9360ffd1 DM |
585 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
586 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
587 | goto nla_put_failure; | |
8fe02e16 LR |
588 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
589 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
590 | goto nla_put_failure; | |
591 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
592 | goto nla_put_failure; | |
593 | } | |
cdc89b97 JB |
594 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
595 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
596 | goto nla_put_failure; | |
597 | if (large) { | |
598 | u32 time; | |
599 | ||
600 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
601 | ||
602 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
603 | chan->dfs_state)) | |
604 | goto nla_put_failure; | |
605 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
606 | time)) | |
607 | goto nla_put_failure; | |
089027e5 JD |
608 | if (nla_put_u32(msg, |
609 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
610 | chan->dfs_cac_ms)) | |
611 | goto nla_put_failure; | |
cdc89b97 JB |
612 | } |
613 | } | |
5dab3b8a | 614 | |
fe1abafd JB |
615 | if (large) { |
616 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
617 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
618 | goto nla_put_failure; | |
619 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
620 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
621 | goto nla_put_failure; | |
622 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
623 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
624 | goto nla_put_failure; | |
625 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
626 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
627 | goto nla_put_failure; | |
570dbde1 DS |
628 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
629 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
630 | goto nla_put_failure; | |
631 | if ((chan->flags & IEEE80211_CHAN_GO_CONCURRENT) && | |
632 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_GO_CONCURRENT)) | |
633 | goto nla_put_failure; | |
ea077c1c RL |
634 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
635 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
636 | goto nla_put_failure; | |
637 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
638 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
639 | goto nla_put_failure; | |
fe1abafd JB |
640 | } |
641 | ||
9360ffd1 DM |
642 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
643 | DBM_TO_MBM(chan->max_power))) | |
644 | goto nla_put_failure; | |
5dab3b8a LR |
645 | |
646 | return 0; | |
647 | ||
648 | nla_put_failure: | |
649 | return -ENOBUFS; | |
650 | } | |
651 | ||
55682965 JB |
652 | /* netlink command implementations */ |
653 | ||
b9454e83 JB |
654 | struct key_parse { |
655 | struct key_params p; | |
656 | int idx; | |
e31b8213 | 657 | int type; |
b9454e83 | 658 | bool def, defmgmt; |
dbd2fd65 | 659 | bool def_uni, def_multi; |
b9454e83 JB |
660 | }; |
661 | ||
662 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
663 | { | |
664 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
665 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
666 | nl80211_key_policy); | |
667 | if (err) | |
668 | return err; | |
669 | ||
670 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
671 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
672 | ||
dbd2fd65 JB |
673 | if (k->def) { |
674 | k->def_uni = true; | |
675 | k->def_multi = true; | |
676 | } | |
677 | if (k->defmgmt) | |
678 | k->def_multi = true; | |
679 | ||
b9454e83 JB |
680 | if (tb[NL80211_KEY_IDX]) |
681 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
682 | ||
683 | if (tb[NL80211_KEY_DATA]) { | |
684 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
685 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
686 | } | |
687 | ||
688 | if (tb[NL80211_KEY_SEQ]) { | |
689 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
690 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
691 | } | |
692 | ||
693 | if (tb[NL80211_KEY_CIPHER]) | |
694 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
695 | ||
e31b8213 JB |
696 | if (tb[NL80211_KEY_TYPE]) { |
697 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
698 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
699 | return -EINVAL; | |
700 | } | |
701 | ||
dbd2fd65 JB |
702 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
703 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
704 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
705 | tb[NL80211_KEY_DEFAULT_TYPES], | |
706 | nl80211_key_default_policy); | |
dbd2fd65 JB |
707 | if (err) |
708 | return err; | |
709 | ||
710 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
711 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
712 | } | |
713 | ||
b9454e83 JB |
714 | return 0; |
715 | } | |
716 | ||
717 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
718 | { | |
719 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
720 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
721 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
722 | } | |
723 | ||
724 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
725 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
726 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
727 | } | |
728 | ||
729 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
730 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
731 | ||
732 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
733 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
734 | ||
735 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
736 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
737 | ||
dbd2fd65 JB |
738 | if (k->def) { |
739 | k->def_uni = true; | |
740 | k->def_multi = true; | |
741 | } | |
742 | if (k->defmgmt) | |
743 | k->def_multi = true; | |
744 | ||
e31b8213 JB |
745 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
746 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
747 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
748 | return -EINVAL; | |
749 | } | |
750 | ||
dbd2fd65 JB |
751 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
752 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
753 | int err = nla_parse_nested( | |
754 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
755 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
756 | nl80211_key_default_policy); | |
757 | if (err) | |
758 | return err; | |
759 | ||
760 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
761 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
762 | } | |
763 | ||
b9454e83 JB |
764 | return 0; |
765 | } | |
766 | ||
767 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
768 | { | |
769 | int err; | |
770 | ||
771 | memset(k, 0, sizeof(*k)); | |
772 | k->idx = -1; | |
e31b8213 | 773 | k->type = -1; |
b9454e83 JB |
774 | |
775 | if (info->attrs[NL80211_ATTR_KEY]) | |
776 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
777 | else | |
778 | err = nl80211_parse_key_old(info, k); | |
779 | ||
780 | if (err) | |
781 | return err; | |
782 | ||
783 | if (k->def && k->defmgmt) | |
784 | return -EINVAL; | |
785 | ||
dbd2fd65 JB |
786 | if (k->defmgmt) { |
787 | if (k->def_uni || !k->def_multi) | |
788 | return -EINVAL; | |
789 | } | |
790 | ||
b9454e83 JB |
791 | if (k->idx != -1) { |
792 | if (k->defmgmt) { | |
793 | if (k->idx < 4 || k->idx > 5) | |
794 | return -EINVAL; | |
795 | } else if (k->def) { | |
796 | if (k->idx < 0 || k->idx > 3) | |
797 | return -EINVAL; | |
798 | } else { | |
799 | if (k->idx < 0 || k->idx > 5) | |
800 | return -EINVAL; | |
801 | } | |
802 | } | |
803 | ||
804 | return 0; | |
805 | } | |
806 | ||
fffd0934 JB |
807 | static struct cfg80211_cached_keys * |
808 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 809 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
810 | { |
811 | struct key_parse parse; | |
812 | struct nlattr *key; | |
813 | struct cfg80211_cached_keys *result; | |
814 | int rem, err, def = 0; | |
815 | ||
816 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
817 | if (!result) | |
818 | return ERR_PTR(-ENOMEM); | |
819 | ||
820 | result->def = -1; | |
821 | result->defmgmt = -1; | |
822 | ||
823 | nla_for_each_nested(key, keys, rem) { | |
824 | memset(&parse, 0, sizeof(parse)); | |
825 | parse.idx = -1; | |
826 | ||
827 | err = nl80211_parse_key_new(key, &parse); | |
828 | if (err) | |
829 | goto error; | |
830 | err = -EINVAL; | |
831 | if (!parse.p.key) | |
832 | goto error; | |
833 | if (parse.idx < 0 || parse.idx > 4) | |
834 | goto error; | |
835 | if (parse.def) { | |
836 | if (def) | |
837 | goto error; | |
838 | def = 1; | |
839 | result->def = parse.idx; | |
dbd2fd65 JB |
840 | if (!parse.def_uni || !parse.def_multi) |
841 | goto error; | |
fffd0934 JB |
842 | } else if (parse.defmgmt) |
843 | goto error; | |
844 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 845 | parse.idx, false, NULL); |
fffd0934 JB |
846 | if (err) |
847 | goto error; | |
848 | result->params[parse.idx].cipher = parse.p.cipher; | |
849 | result->params[parse.idx].key_len = parse.p.key_len; | |
850 | result->params[parse.idx].key = result->data[parse.idx]; | |
851 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
852 | |
853 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
854 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
855 | if (no_ht) | |
856 | *no_ht = true; | |
857 | } | |
fffd0934 JB |
858 | } |
859 | ||
860 | return result; | |
861 | error: | |
862 | kfree(result); | |
863 | return ERR_PTR(err); | |
864 | } | |
865 | ||
866 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
867 | { | |
868 | ASSERT_WDEV_LOCK(wdev); | |
869 | ||
fffd0934 JB |
870 | switch (wdev->iftype) { |
871 | case NL80211_IFTYPE_AP: | |
872 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 873 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 874 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
875 | break; |
876 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 877 | case NL80211_IFTYPE_STATION: |
074ac8df | 878 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 879 | if (!wdev->current_bss) |
fffd0934 JB |
880 | return -ENOLINK; |
881 | break; | |
882 | default: | |
883 | return -EINVAL; | |
884 | } | |
885 | ||
886 | return 0; | |
887 | } | |
888 | ||
664834de JM |
889 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
890 | struct nlattr *tb) | |
891 | { | |
892 | struct ieee80211_channel *chan; | |
893 | ||
894 | if (tb == NULL) | |
895 | return NULL; | |
896 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
897 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
898 | return NULL; | |
899 | return chan; | |
900 | } | |
901 | ||
7527a782 JB |
902 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
903 | { | |
904 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
905 | int i; | |
906 | ||
907 | if (!nl_modes) | |
908 | goto nla_put_failure; | |
909 | ||
910 | i = 0; | |
911 | while (ifmodes) { | |
9360ffd1 DM |
912 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
913 | goto nla_put_failure; | |
7527a782 JB |
914 | ifmodes >>= 1; |
915 | i++; | |
916 | } | |
917 | ||
918 | nla_nest_end(msg, nl_modes); | |
919 | return 0; | |
920 | ||
921 | nla_put_failure: | |
922 | return -ENOBUFS; | |
923 | } | |
924 | ||
925 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
926 | struct sk_buff *msg, |
927 | bool large) | |
7527a782 JB |
928 | { |
929 | struct nlattr *nl_combis; | |
930 | int i, j; | |
931 | ||
932 | nl_combis = nla_nest_start(msg, | |
933 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
934 | if (!nl_combis) | |
935 | goto nla_put_failure; | |
936 | ||
937 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
938 | const struct ieee80211_iface_combination *c; | |
939 | struct nlattr *nl_combi, *nl_limits; | |
940 | ||
941 | c = &wiphy->iface_combinations[i]; | |
942 | ||
943 | nl_combi = nla_nest_start(msg, i + 1); | |
944 | if (!nl_combi) | |
945 | goto nla_put_failure; | |
946 | ||
947 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
948 | if (!nl_limits) | |
949 | goto nla_put_failure; | |
950 | ||
951 | for (j = 0; j < c->n_limits; j++) { | |
952 | struct nlattr *nl_limit; | |
953 | ||
954 | nl_limit = nla_nest_start(msg, j + 1); | |
955 | if (!nl_limit) | |
956 | goto nla_put_failure; | |
9360ffd1 DM |
957 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
958 | c->limits[j].max)) | |
959 | goto nla_put_failure; | |
7527a782 JB |
960 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
961 | c->limits[j].types)) | |
962 | goto nla_put_failure; | |
963 | nla_nest_end(msg, nl_limit); | |
964 | } | |
965 | ||
966 | nla_nest_end(msg, nl_limits); | |
967 | ||
9360ffd1 DM |
968 | if (c->beacon_int_infra_match && |
969 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
970 | goto nla_put_failure; | |
971 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
972 | c->num_different_channels) || | |
973 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
974 | c->max_interfaces)) | |
975 | goto nla_put_failure; | |
cdc89b97 | 976 | if (large && |
8c48b50a FF |
977 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
978 | c->radar_detect_widths) || | |
979 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
980 | c->radar_detect_regions))) | |
cdc89b97 | 981 | goto nla_put_failure; |
7527a782 JB |
982 | |
983 | nla_nest_end(msg, nl_combi); | |
984 | } | |
985 | ||
986 | nla_nest_end(msg, nl_combis); | |
987 | ||
988 | return 0; | |
989 | nla_put_failure: | |
990 | return -ENOBUFS; | |
991 | } | |
992 | ||
3713b4e3 | 993 | #ifdef CONFIG_PM |
b56cf720 JB |
994 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
995 | struct sk_buff *msg) | |
996 | { | |
964dc9e2 | 997 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
998 | struct nlattr *nl_tcp; |
999 | ||
1000 | if (!tcp) | |
1001 | return 0; | |
1002 | ||
1003 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1004 | if (!nl_tcp) | |
1005 | return -ENOBUFS; | |
1006 | ||
1007 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1008 | tcp->data_payload_max)) | |
1009 | return -ENOBUFS; | |
1010 | ||
1011 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1012 | tcp->data_payload_max)) | |
1013 | return -ENOBUFS; | |
1014 | ||
1015 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1016 | return -ENOBUFS; | |
1017 | ||
1018 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1019 | sizeof(*tcp->tok), tcp->tok)) | |
1020 | return -ENOBUFS; | |
1021 | ||
1022 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1023 | tcp->data_interval_max)) | |
1024 | return -ENOBUFS; | |
1025 | ||
1026 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1027 | tcp->wake_payload_max)) | |
1028 | return -ENOBUFS; | |
1029 | ||
1030 | nla_nest_end(msg, nl_tcp); | |
1031 | return 0; | |
1032 | } | |
1033 | ||
3713b4e3 | 1034 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1035 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1036 | bool large) |
55682965 | 1037 | { |
3713b4e3 | 1038 | struct nlattr *nl_wowlan; |
55682965 | 1039 | |
1b8ec87a | 1040 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1041 | return 0; |
55682965 | 1042 | |
3713b4e3 JB |
1043 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1044 | if (!nl_wowlan) | |
1045 | return -ENOBUFS; | |
9360ffd1 | 1046 | |
1b8ec87a | 1047 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1048 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1049 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1050 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1051 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1052 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1053 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1054 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1055 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1056 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1057 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1058 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1059 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1060 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1061 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1062 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1063 | return -ENOBUFS; | |
9360ffd1 | 1064 | |
1b8ec87a | 1065 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1066 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1067 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1068 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1069 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1070 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1071 | }; |
9360ffd1 | 1072 | |
3713b4e3 JB |
1073 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1074 | sizeof(pat), &pat)) | |
1075 | return -ENOBUFS; | |
1076 | } | |
9360ffd1 | 1077 | |
1b8ec87a | 1078 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1079 | return -ENOBUFS; |
1080 | ||
3713b4e3 | 1081 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1082 | |
3713b4e3 JB |
1083 | return 0; |
1084 | } | |
1085 | #endif | |
9360ffd1 | 1086 | |
be29b99a | 1087 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1088 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1089 | { |
1090 | struct nl80211_coalesce_rule_support rule; | |
1091 | ||
1b8ec87a | 1092 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1093 | return 0; |
1094 | ||
1b8ec87a ZG |
1095 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1096 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1097 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1098 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1099 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1100 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1101 | |
1102 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1103 | return -ENOBUFS; | |
1104 | ||
1105 | return 0; | |
1106 | } | |
1107 | ||
3713b4e3 JB |
1108 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1109 | struct ieee80211_supported_band *sband) | |
1110 | { | |
1111 | struct nlattr *nl_rates, *nl_rate; | |
1112 | struct ieee80211_rate *rate; | |
1113 | int i; | |
87bbbe22 | 1114 | |
3713b4e3 JB |
1115 | /* add HT info */ |
1116 | if (sband->ht_cap.ht_supported && | |
1117 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1118 | sizeof(sband->ht_cap.mcs), | |
1119 | &sband->ht_cap.mcs) || | |
1120 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1121 | sband->ht_cap.cap) || | |
1122 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1123 | sband->ht_cap.ampdu_factor) || | |
1124 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1125 | sband->ht_cap.ampdu_density))) | |
1126 | return -ENOBUFS; | |
afe0cbf8 | 1127 | |
3713b4e3 JB |
1128 | /* add VHT info */ |
1129 | if (sband->vht_cap.vht_supported && | |
1130 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1131 | sizeof(sband->vht_cap.vht_mcs), | |
1132 | &sband->vht_cap.vht_mcs) || | |
1133 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1134 | sband->vht_cap.cap))) | |
1135 | return -ENOBUFS; | |
f59ac048 | 1136 | |
3713b4e3 JB |
1137 | /* add bitrates */ |
1138 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1139 | if (!nl_rates) | |
1140 | return -ENOBUFS; | |
ee688b00 | 1141 | |
3713b4e3 JB |
1142 | for (i = 0; i < sband->n_bitrates; i++) { |
1143 | nl_rate = nla_nest_start(msg, i); | |
1144 | if (!nl_rate) | |
1145 | return -ENOBUFS; | |
ee688b00 | 1146 | |
3713b4e3 JB |
1147 | rate = &sband->bitrates[i]; |
1148 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1149 | rate->bitrate)) | |
1150 | return -ENOBUFS; | |
1151 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1152 | nla_put_flag(msg, | |
1153 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1154 | return -ENOBUFS; | |
ee688b00 | 1155 | |
3713b4e3 JB |
1156 | nla_nest_end(msg, nl_rate); |
1157 | } | |
d51626df | 1158 | |
3713b4e3 | 1159 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1160 | |
3713b4e3 JB |
1161 | return 0; |
1162 | } | |
ee688b00 | 1163 | |
3713b4e3 JB |
1164 | static int |
1165 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1166 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1167 | { | |
1168 | u16 stypes; | |
1169 | struct nlattr *nl_ftypes, *nl_ifs; | |
1170 | enum nl80211_iftype ift; | |
1171 | int i; | |
ee688b00 | 1172 | |
3713b4e3 JB |
1173 | if (!mgmt_stypes) |
1174 | return 0; | |
5dab3b8a | 1175 | |
3713b4e3 JB |
1176 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1177 | if (!nl_ifs) | |
1178 | return -ENOBUFS; | |
e2f367f2 | 1179 | |
3713b4e3 JB |
1180 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1181 | nl_ftypes = nla_nest_start(msg, ift); | |
1182 | if (!nl_ftypes) | |
1183 | return -ENOBUFS; | |
1184 | i = 0; | |
1185 | stypes = mgmt_stypes[ift].tx; | |
1186 | while (stypes) { | |
1187 | if ((stypes & 1) && | |
1188 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1189 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1190 | return -ENOBUFS; | |
1191 | stypes >>= 1; | |
1192 | i++; | |
ee688b00 | 1193 | } |
3713b4e3 JB |
1194 | nla_nest_end(msg, nl_ftypes); |
1195 | } | |
ee688b00 | 1196 | |
3713b4e3 | 1197 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1198 | |
3713b4e3 JB |
1199 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1200 | if (!nl_ifs) | |
1201 | return -ENOBUFS; | |
ee688b00 | 1202 | |
3713b4e3 JB |
1203 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1204 | nl_ftypes = nla_nest_start(msg, ift); | |
1205 | if (!nl_ftypes) | |
1206 | return -ENOBUFS; | |
1207 | i = 0; | |
1208 | stypes = mgmt_stypes[ift].rx; | |
1209 | while (stypes) { | |
1210 | if ((stypes & 1) && | |
1211 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1212 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1213 | return -ENOBUFS; | |
1214 | stypes >>= 1; | |
1215 | i++; | |
1216 | } | |
1217 | nla_nest_end(msg, nl_ftypes); | |
1218 | } | |
1219 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1220 | |
3713b4e3 JB |
1221 | return 0; |
1222 | } | |
ee688b00 | 1223 | |
86e8cf98 JB |
1224 | struct nl80211_dump_wiphy_state { |
1225 | s64 filter_wiphy; | |
1226 | long start; | |
1227 | long split_start, band_start, chan_start; | |
1228 | bool split; | |
1229 | }; | |
1230 | ||
1b8ec87a | 1231 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1232 | enum nl80211_commands cmd, |
3713b4e3 | 1233 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1234 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1235 | { |
1236 | void *hdr; | |
1237 | struct nlattr *nl_bands, *nl_band; | |
1238 | struct nlattr *nl_freqs, *nl_freq; | |
1239 | struct nlattr *nl_cmds; | |
1240 | enum ieee80211_band band; | |
1241 | struct ieee80211_channel *chan; | |
1242 | int i; | |
1243 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1244 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1245 | u32 features; |
ee688b00 | 1246 | |
3bb20556 | 1247 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1248 | if (!hdr) |
1249 | return -ENOBUFS; | |
ee688b00 | 1250 | |
86e8cf98 JB |
1251 | if (WARN_ON(!state)) |
1252 | return -EINVAL; | |
ee688b00 | 1253 | |
1b8ec87a | 1254 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1255 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1256 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1257 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1258 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1259 | goto nla_put_failure; |
1260 | ||
3bb20556 JB |
1261 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1262 | goto finish; | |
1263 | ||
86e8cf98 | 1264 | switch (state->split_start) { |
3713b4e3 JB |
1265 | case 0: |
1266 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1267 | rdev->wiphy.retry_short) || |
3713b4e3 | 1268 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1269 | rdev->wiphy.retry_long) || |
3713b4e3 | 1270 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1271 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1272 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1273 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1274 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1275 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1276 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1277 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1278 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1279 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1280 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1281 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1282 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1283 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1284 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
1b8ec87a | 1285 | rdev->wiphy.max_match_sets)) |
9360ffd1 | 1286 | goto nla_put_failure; |
3713b4e3 | 1287 | |
1b8ec87a | 1288 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1289 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1290 | goto nla_put_failure; |
1b8ec87a | 1291 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1292 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1293 | goto nla_put_failure; | |
1b8ec87a | 1294 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1295 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1296 | goto nla_put_failure; | |
1b8ec87a | 1297 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1298 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1299 | goto nla_put_failure; | |
1b8ec87a | 1300 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1301 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1302 | goto nla_put_failure; | |
1b8ec87a | 1303 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1304 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1305 | goto nla_put_failure; |
86e8cf98 JB |
1306 | state->split_start++; |
1307 | if (state->split) | |
3713b4e3 JB |
1308 | break; |
1309 | case 1: | |
1310 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1311 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1312 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1313 | goto nla_put_failure; |
4745fc09 | 1314 | |
3713b4e3 | 1315 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1316 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1317 | goto nla_put_failure; |
b23aa676 | 1318 | |
1b8ec87a | 1319 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1320 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1321 | goto nla_put_failure; |
b23aa676 | 1322 | |
3713b4e3 | 1323 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1324 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1325 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1326 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1327 | goto nla_put_failure; |
b23aa676 | 1328 | |
1b8ec87a | 1329 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1330 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1331 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1332 | goto nla_put_failure; |
8fdc621d | 1333 | |
1b8ec87a ZG |
1334 | if ((rdev->wiphy.available_antennas_tx || |
1335 | rdev->wiphy.available_antennas_rx) && | |
1336 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1337 | u32 tx_ant = 0, rx_ant = 0; |
1338 | int res; | |
1b8ec87a | 1339 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1340 | if (!res) { |
1341 | if (nla_put_u32(msg, | |
1342 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1343 | tx_ant) || | |
1344 | nla_put_u32(msg, | |
1345 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1346 | rx_ant)) | |
1347 | goto nla_put_failure; | |
1348 | } | |
1349 | } | |
a293911d | 1350 | |
86e8cf98 JB |
1351 | state->split_start++; |
1352 | if (state->split) | |
3713b4e3 JB |
1353 | break; |
1354 | case 2: | |
1355 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1356 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1357 | goto nla_put_failure; |
86e8cf98 JB |
1358 | state->split_start++; |
1359 | if (state->split) | |
3713b4e3 JB |
1360 | break; |
1361 | case 3: | |
1362 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1363 | if (!nl_bands) | |
1364 | goto nla_put_failure; | |
f7ca38df | 1365 | |
86e8cf98 JB |
1366 | for (band = state->band_start; |
1367 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1368 | struct ieee80211_supported_band *sband; |
2e161f78 | 1369 | |
1b8ec87a | 1370 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1371 | |
3713b4e3 JB |
1372 | if (!sband) |
1373 | continue; | |
1374 | ||
1375 | nl_band = nla_nest_start(msg, band); | |
1376 | if (!nl_band) | |
2e161f78 | 1377 | goto nla_put_failure; |
3713b4e3 | 1378 | |
86e8cf98 | 1379 | switch (state->chan_start) { |
3713b4e3 JB |
1380 | case 0: |
1381 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1382 | goto nla_put_failure; |
86e8cf98 JB |
1383 | state->chan_start++; |
1384 | if (state->split) | |
3713b4e3 JB |
1385 | break; |
1386 | default: | |
1387 | /* add frequencies */ | |
1388 | nl_freqs = nla_nest_start( | |
1389 | msg, NL80211_BAND_ATTR_FREQS); | |
1390 | if (!nl_freqs) | |
1391 | goto nla_put_failure; | |
1392 | ||
86e8cf98 | 1393 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1394 | i < sband->n_channels; |
1395 | i++) { | |
1396 | nl_freq = nla_nest_start(msg, i); | |
1397 | if (!nl_freq) | |
1398 | goto nla_put_failure; | |
1399 | ||
1400 | chan = &sband->channels[i]; | |
1401 | ||
86e8cf98 JB |
1402 | if (nl80211_msg_put_channel( |
1403 | msg, chan, | |
1404 | state->split)) | |
3713b4e3 JB |
1405 | goto nla_put_failure; |
1406 | ||
1407 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1408 | if (state->split) |
3713b4e3 JB |
1409 | break; |
1410 | } | |
1411 | if (i < sband->n_channels) | |
86e8cf98 | 1412 | state->chan_start = i + 2; |
3713b4e3 | 1413 | else |
86e8cf98 | 1414 | state->chan_start = 0; |
3713b4e3 JB |
1415 | nla_nest_end(msg, nl_freqs); |
1416 | } | |
1417 | ||
1418 | nla_nest_end(msg, nl_band); | |
1419 | ||
86e8cf98 | 1420 | if (state->split) { |
3713b4e3 | 1421 | /* start again here */ |
86e8cf98 | 1422 | if (state->chan_start) |
3713b4e3 JB |
1423 | band--; |
1424 | break; | |
2e161f78 | 1425 | } |
2e161f78 | 1426 | } |
3713b4e3 | 1427 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1428 | |
3713b4e3 | 1429 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1430 | state->band_start = band + 1; |
3713b4e3 | 1431 | else |
86e8cf98 | 1432 | state->band_start = 0; |
74b70a4e | 1433 | |
3713b4e3 | 1434 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1435 | if (state->band_start == 0 && state->chan_start == 0) |
1436 | state->split_start++; | |
1437 | if (state->split) | |
3713b4e3 JB |
1438 | break; |
1439 | case 4: | |
1440 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1441 | if (!nl_cmds) | |
2e161f78 JB |
1442 | goto nla_put_failure; |
1443 | ||
3713b4e3 JB |
1444 | i = 0; |
1445 | #define CMD(op, n) \ | |
1446 | do { \ | |
1b8ec87a | 1447 | if (rdev->ops->op) { \ |
3713b4e3 JB |
1448 | i++; \ |
1449 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1450 | goto nla_put_failure; \ | |
1451 | } \ | |
1452 | } while (0) | |
1453 | ||
1454 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1455 | CMD(change_virtual_intf, SET_INTERFACE); | |
1456 | CMD(add_key, NEW_KEY); | |
1457 | CMD(start_ap, START_AP); | |
1458 | CMD(add_station, NEW_STATION); | |
1459 | CMD(add_mpath, NEW_MPATH); | |
1460 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1461 | CMD(change_bss, SET_BSS); | |
1462 | CMD(auth, AUTHENTICATE); | |
1463 | CMD(assoc, ASSOCIATE); | |
1464 | CMD(deauth, DEAUTHENTICATE); | |
1465 | CMD(disassoc, DISASSOCIATE); | |
1466 | CMD(join_ibss, JOIN_IBSS); | |
1467 | CMD(join_mesh, JOIN_MESH); | |
1468 | CMD(set_pmksa, SET_PMKSA); | |
1469 | CMD(del_pmksa, DEL_PMKSA); | |
1470 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1b8ec87a | 1471 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
3713b4e3 JB |
1472 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
1473 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1474 | CMD(mgmt_tx, FRAME); | |
1475 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1b8ec87a | 1476 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
3713b4e3 JB |
1477 | i++; |
1478 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1479 | goto nla_put_failure; |
2e161f78 | 1480 | } |
1b8ec87a ZG |
1481 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || |
1482 | rdev->ops->join_mesh) { | |
3713b4e3 JB |
1483 | i++; |
1484 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1485 | goto nla_put_failure; | |
1486 | } | |
1487 | CMD(set_wds_peer, SET_WDS_PEER); | |
1b8ec87a | 1488 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
3713b4e3 JB |
1489 | CMD(tdls_mgmt, TDLS_MGMT); |
1490 | CMD(tdls_oper, TDLS_OPER); | |
1491 | } | |
1b8ec87a | 1492 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
3713b4e3 JB |
1493 | CMD(sched_scan_start, START_SCHED_SCAN); |
1494 | CMD(probe_client, PROBE_CLIENT); | |
1495 | CMD(set_noack_map, SET_NOACK_MAP); | |
1b8ec87a | 1496 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
3713b4e3 JB |
1497 | i++; |
1498 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1499 | goto nla_put_failure; | |
1500 | } | |
1501 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1502 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
02df00eb JB |
1503 | #ifdef CONFIG_NL80211_TESTMODE |
1504 | CMD(testmode_cmd, TESTMODE); | |
1505 | #endif | |
86e8cf98 | 1506 | if (state->split) { |
5de17984 AS |
1507 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1508 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1509 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1510 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1511 | CMD(set_qos_map, SET_QOS_MAP); |
5de17984 | 1512 | } |
02df00eb | 1513 | /* add into the if now */ |
3713b4e3 | 1514 | #undef CMD |
ff1b6e69 | 1515 | |
1b8ec87a | 1516 | if (rdev->ops->connect || rdev->ops->auth) { |
3713b4e3 JB |
1517 | i++; |
1518 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1519 | goto nla_put_failure; |
ff1b6e69 JB |
1520 | } |
1521 | ||
1b8ec87a | 1522 | if (rdev->ops->disconnect || rdev->ops->deauth) { |
3713b4e3 JB |
1523 | i++; |
1524 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1525 | goto nla_put_failure; | |
1526 | } | |
1527 | ||
1528 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1529 | state->split_start++; |
1530 | if (state->split) | |
3713b4e3 JB |
1531 | break; |
1532 | case 5: | |
1b8ec87a ZG |
1533 | if (rdev->ops->remain_on_channel && |
1534 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1535 | nla_put_u32(msg, |
1536 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1537 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1538 | goto nla_put_failure; |
1539 | ||
1b8ec87a | 1540 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1541 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1542 | goto nla_put_failure; | |
1543 | ||
1544 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1545 | goto nla_put_failure; | |
86e8cf98 JB |
1546 | state->split_start++; |
1547 | if (state->split) | |
3713b4e3 JB |
1548 | break; |
1549 | case 6: | |
1550 | #ifdef CONFIG_PM | |
1b8ec87a | 1551 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1552 | goto nla_put_failure; |
86e8cf98 JB |
1553 | state->split_start++; |
1554 | if (state->split) | |
3713b4e3 JB |
1555 | break; |
1556 | #else | |
86e8cf98 | 1557 | state->split_start++; |
dfb89c56 | 1558 | #endif |
3713b4e3 JB |
1559 | case 7: |
1560 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1561 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1562 | goto nla_put_failure; |
ff1b6e69 | 1563 | |
1b8ec87a | 1564 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1565 | state->split)) |
3713b4e3 | 1566 | goto nla_put_failure; |
7527a782 | 1567 | |
86e8cf98 JB |
1568 | state->split_start++; |
1569 | if (state->split) | |
3713b4e3 JB |
1570 | break; |
1571 | case 8: | |
1b8ec87a | 1572 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1573 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1574 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1575 | goto nla_put_failure; |
7527a782 | 1576 | |
1b8ec87a | 1577 | features = rdev->wiphy.features; |
fe1abafd JB |
1578 | /* |
1579 | * We can only add the per-channel limit information if the | |
1580 | * dump is split, otherwise it makes it too big. Therefore | |
1581 | * only advertise it in that case. | |
1582 | */ | |
86e8cf98 | 1583 | if (state->split) |
fe1abafd JB |
1584 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1585 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1586 | goto nla_put_failure; |
562a7480 | 1587 | |
1b8ec87a | 1588 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1589 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1590 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1591 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1592 | goto nla_put_failure; |
1f074bd8 | 1593 | |
1b8ec87a ZG |
1594 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1595 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1596 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1597 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1598 | goto nla_put_failure; |
7e7c8926 | 1599 | |
3713b4e3 JB |
1600 | /* |
1601 | * Any information below this point is only available to | |
1602 | * applications that can deal with it being split. This | |
1603 | * helps ensure that newly added capabilities don't break | |
1604 | * older tools by overrunning their buffers. | |
1605 | * | |
1606 | * We still increment split_start so that in the split | |
1607 | * case we'll continue with more data in the next round, | |
1608 | * but break unconditionally so unsplit data stops here. | |
1609 | */ | |
86e8cf98 | 1610 | state->split_start++; |
3713b4e3 JB |
1611 | break; |
1612 | case 9: | |
1b8ec87a | 1613 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1614 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1615 | rdev->wiphy.extended_capabilities_len, |
1616 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1617 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1618 | rdev->wiphy.extended_capabilities_len, |
1619 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1620 | goto nla_put_failure; |
a50df0c4 | 1621 | |
1b8ec87a | 1622 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1623 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1624 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1625 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1626 | goto nla_put_failure; |
1627 | ||
be29b99a AK |
1628 | state->split_start++; |
1629 | break; | |
1630 | case 10: | |
1b8ec87a | 1631 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1632 | goto nla_put_failure; |
1633 | ||
1b8ec87a | 1634 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1635 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1636 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1637 | goto nla_put_failure; | |
b43504cf | 1638 | |
1b8ec87a | 1639 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1640 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1641 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1642 | goto nla_put_failure; |
1643 | ||
ad7e718c JB |
1644 | state->split_start++; |
1645 | break; | |
1646 | case 11: | |
1b8ec87a | 1647 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1648 | const struct nl80211_vendor_cmd_info *info; |
1649 | struct nlattr *nested; | |
1650 | ||
1651 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1652 | if (!nested) | |
1653 | goto nla_put_failure; | |
1654 | ||
1b8ec87a ZG |
1655 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1656 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1657 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1658 | goto nla_put_failure; | |
1659 | } | |
1660 | nla_nest_end(msg, nested); | |
1661 | } | |
1662 | ||
1b8ec87a | 1663 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1664 | const struct nl80211_vendor_cmd_info *info; |
1665 | struct nlattr *nested; | |
ad7e718c | 1666 | |
567ffc35 JB |
1667 | nested = nla_nest_start(msg, |
1668 | NL80211_ATTR_VENDOR_EVENTS); | |
1669 | if (!nested) | |
ad7e718c | 1670 | goto nla_put_failure; |
567ffc35 | 1671 | |
1b8ec87a ZG |
1672 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1673 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1674 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1675 | goto nla_put_failure; | |
1676 | } | |
1677 | nla_nest_end(msg, nested); | |
1678 | } | |
9a774c78 AO |
1679 | state->split_start++; |
1680 | break; | |
1681 | case 12: | |
1682 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1683 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1684 | rdev->wiphy.max_num_csa_counters)) | |
1685 | goto nla_put_failure; | |
01e0daa4 | 1686 | |
3713b4e3 | 1687 | /* done */ |
86e8cf98 | 1688 | state->split_start = 0; |
3713b4e3 JB |
1689 | break; |
1690 | } | |
3bb20556 | 1691 | finish: |
55682965 JB |
1692 | return genlmsg_end(msg, hdr); |
1693 | ||
1694 | nla_put_failure: | |
bc3ed28c TG |
1695 | genlmsg_cancel(msg, hdr); |
1696 | return -EMSGSIZE; | |
55682965 JB |
1697 | } |
1698 | ||
86e8cf98 JB |
1699 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1700 | struct netlink_callback *cb, | |
1701 | struct nl80211_dump_wiphy_state *state) | |
1702 | { | |
1703 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1704 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1705 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1706 | /* ignore parse errors for backward compatibility */ | |
1707 | if (ret) | |
1708 | return 0; | |
1709 | ||
1710 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1711 | if (tb[NL80211_ATTR_WIPHY]) | |
1712 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1713 | if (tb[NL80211_ATTR_WDEV]) | |
1714 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1715 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1716 | struct net_device *netdev; | |
1717 | struct cfg80211_registered_device *rdev; | |
1718 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1719 | ||
7f2b8562 | 1720 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1721 | if (!netdev) |
1722 | return -ENODEV; | |
1723 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1724 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1725 | netdev->ieee80211_ptr->wiphy); |
1726 | state->filter_wiphy = rdev->wiphy_idx; | |
1727 | } | |
86e8cf98 JB |
1728 | } |
1729 | ||
1730 | return 0; | |
1731 | } | |
1732 | ||
55682965 JB |
1733 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1734 | { | |
645e77de | 1735 | int idx = 0, ret; |
86e8cf98 | 1736 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1737 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1738 | |
5fe231e8 | 1739 | rtnl_lock(); |
86e8cf98 JB |
1740 | if (!state) { |
1741 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1742 | if (!state) { |
1743 | rtnl_unlock(); | |
86e8cf98 | 1744 | return -ENOMEM; |
3713b4e3 | 1745 | } |
86e8cf98 JB |
1746 | state->filter_wiphy = -1; |
1747 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1748 | if (ret) { | |
1749 | kfree(state); | |
1750 | rtnl_unlock(); | |
1751 | return ret; | |
3713b4e3 | 1752 | } |
86e8cf98 | 1753 | cb->args[0] = (long)state; |
3713b4e3 JB |
1754 | } |
1755 | ||
1b8ec87a ZG |
1756 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1757 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1758 | continue; |
86e8cf98 | 1759 | if (++idx <= state->start) |
55682965 | 1760 | continue; |
86e8cf98 | 1761 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1762 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1763 | continue; |
1764 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1765 | do { | |
3bb20556 JB |
1766 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1767 | skb, | |
3713b4e3 JB |
1768 | NETLINK_CB(cb->skb).portid, |
1769 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1770 | NLM_F_MULTI, state); |
3713b4e3 JB |
1771 | if (ret < 0) { |
1772 | /* | |
1773 | * If sending the wiphy data didn't fit (ENOBUFS | |
1774 | * or EMSGSIZE returned), this SKB is still | |
1775 | * empty (so it's not too big because another | |
1776 | * wiphy dataset is already in the skb) and | |
1777 | * we've not tried to adjust the dump allocation | |
1778 | * yet ... then adjust the alloc size to be | |
1779 | * bigger, and return 1 but with the empty skb. | |
1780 | * This results in an empty message being RX'ed | |
1781 | * in userspace, but that is ignored. | |
1782 | * | |
1783 | * We can then retry with the larger buffer. | |
1784 | */ | |
1785 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1786 | !skb->len && !state->split && |
3713b4e3 JB |
1787 | cb->min_dump_alloc < 4096) { |
1788 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1789 | state->split_start = 0; |
d98cae64 | 1790 | rtnl_unlock(); |
3713b4e3 JB |
1791 | return 1; |
1792 | } | |
1793 | idx--; | |
1794 | break; | |
645e77de | 1795 | } |
86e8cf98 | 1796 | } while (state->split_start > 0); |
3713b4e3 | 1797 | break; |
55682965 | 1798 | } |
5fe231e8 | 1799 | rtnl_unlock(); |
55682965 | 1800 | |
86e8cf98 | 1801 | state->start = idx; |
55682965 JB |
1802 | |
1803 | return skb->len; | |
1804 | } | |
1805 | ||
86e8cf98 JB |
1806 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1807 | { | |
1808 | kfree((void *)cb->args[0]); | |
1809 | return 0; | |
1810 | } | |
1811 | ||
55682965 JB |
1812 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1813 | { | |
1814 | struct sk_buff *msg; | |
1b8ec87a | 1815 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 1816 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1817 | |
645e77de | 1818 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1819 | if (!msg) |
4c476991 | 1820 | return -ENOMEM; |
55682965 | 1821 | |
3bb20556 JB |
1822 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
1823 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 1824 | &state) < 0) { |
4c476991 JB |
1825 | nlmsg_free(msg); |
1826 | return -ENOBUFS; | |
1827 | } | |
55682965 | 1828 | |
134e6375 | 1829 | return genlmsg_reply(msg, info); |
55682965 JB |
1830 | } |
1831 | ||
31888487 JM |
1832 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1833 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1834 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1835 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1836 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1837 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1838 | }; | |
1839 | ||
1840 | static int parse_txq_params(struct nlattr *tb[], | |
1841 | struct ieee80211_txq_params *txq_params) | |
1842 | { | |
a3304b0a | 1843 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1844 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1845 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1846 | return -EINVAL; | |
1847 | ||
a3304b0a | 1848 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1849 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1850 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1851 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1852 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1853 | ||
a3304b0a JB |
1854 | if (txq_params->ac >= NL80211_NUM_ACS) |
1855 | return -EINVAL; | |
1856 | ||
31888487 JM |
1857 | return 0; |
1858 | } | |
1859 | ||
f444de05 JB |
1860 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1861 | { | |
1862 | /* | |
cc1d2806 JB |
1863 | * You can only set the channel explicitly for WDS interfaces, |
1864 | * all others have their channel managed via their respective | |
1865 | * "establish a connection" command (connect, join, ...) | |
1866 | * | |
1867 | * For AP/GO and mesh mode, the channel can be set with the | |
1868 | * channel userspace API, but is only stored and passed to the | |
1869 | * low-level driver when the AP starts or the mesh is joined. | |
1870 | * This is for backward compatibility, userspace can also give | |
1871 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1872 | * |
1873 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1874 | * whatever else is going on, so they have their own special |
1875 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1876 | */ |
1877 | return !wdev || | |
1878 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1879 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1880 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1881 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1882 | } |
1883 | ||
683b6d3b JB |
1884 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1885 | struct genl_info *info, | |
1886 | struct cfg80211_chan_def *chandef) | |
1887 | { | |
dbeca2ea | 1888 | u32 control_freq; |
683b6d3b JB |
1889 | |
1890 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1891 | return -EINVAL; | |
1892 | ||
1893 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1894 | ||
1895 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1896 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1897 | chandef->center_freq1 = control_freq; | |
1898 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1899 | |
1900 | /* Primary channel not allowed */ | |
1901 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1902 | return -EINVAL; | |
1903 | ||
3d9d1d66 JB |
1904 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1905 | enum nl80211_channel_type chantype; | |
1906 | ||
1907 | chantype = nla_get_u32( | |
1908 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1909 | ||
1910 | switch (chantype) { | |
1911 | case NL80211_CHAN_NO_HT: | |
1912 | case NL80211_CHAN_HT20: | |
1913 | case NL80211_CHAN_HT40PLUS: | |
1914 | case NL80211_CHAN_HT40MINUS: | |
1915 | cfg80211_chandef_create(chandef, chandef->chan, | |
1916 | chantype); | |
1917 | break; | |
1918 | default: | |
1919 | return -EINVAL; | |
1920 | } | |
1921 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1922 | chandef->width = | |
1923 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1924 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1925 | chandef->center_freq1 = | |
1926 | nla_get_u32( | |
1927 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1928 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1929 | chandef->center_freq2 = | |
1930 | nla_get_u32( | |
1931 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1932 | } | |
1933 | ||
9f5e8f6e | 1934 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1935 | return -EINVAL; |
1936 | ||
9f5e8f6e JB |
1937 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1938 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1939 | return -EINVAL; |
1940 | ||
2f301ab2 SW |
1941 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1942 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1943 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1944 | return -EINVAL; | |
1945 | ||
683b6d3b JB |
1946 | return 0; |
1947 | } | |
1948 | ||
f444de05 | 1949 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 1950 | struct net_device *dev, |
f444de05 JB |
1951 | struct genl_info *info) |
1952 | { | |
683b6d3b | 1953 | struct cfg80211_chan_def chandef; |
f444de05 | 1954 | int result; |
e8c9bd5b | 1955 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 1956 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 1957 | |
e16821bc JM |
1958 | if (dev) |
1959 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
1960 | if (!nl80211_can_set_dev_channel(wdev)) |
1961 | return -EOPNOTSUPP; | |
e16821bc JM |
1962 | if (wdev) |
1963 | iftype = wdev->iftype; | |
f444de05 | 1964 | |
683b6d3b JB |
1965 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1966 | if (result) | |
1967 | return result; | |
f444de05 | 1968 | |
e8c9bd5b | 1969 | switch (iftype) { |
aa430da4 JB |
1970 | case NL80211_IFTYPE_AP: |
1971 | case NL80211_IFTYPE_P2P_GO: | |
174e0cd2 | 1972 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, iftype)) { |
aa430da4 JB |
1973 | result = -EINVAL; |
1974 | break; | |
1975 | } | |
e16821bc JM |
1976 | if (wdev->beacon_interval) { |
1977 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
1978 | !(rdev->wiphy.features & | |
1979 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
1980 | result = -EBUSY; | |
1981 | break; | |
1982 | } | |
1983 | ||
1984 | /* Only allow dynamic channel width changes */ | |
1985 | if (chandef.chan != wdev->preset_chandef.chan) { | |
1986 | result = -EBUSY; | |
1987 | break; | |
1988 | } | |
1989 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
1990 | if (result) | |
1991 | break; | |
1992 | } | |
683b6d3b | 1993 | wdev->preset_chandef = chandef; |
aa430da4 JB |
1994 | result = 0; |
1995 | break; | |
cc1d2806 | 1996 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 1997 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 1998 | break; |
e8c9bd5b | 1999 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2000 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2001 | break; |
aa430da4 | 2002 | default: |
e8c9bd5b | 2003 | result = -EINVAL; |
f444de05 | 2004 | } |
f444de05 JB |
2005 | |
2006 | return result; | |
2007 | } | |
2008 | ||
2009 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2010 | { | |
4c476991 JB |
2011 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2012 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2013 | |
e16821bc | 2014 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2015 | } |
2016 | ||
e8347eba BJ |
2017 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2018 | { | |
43b19952 JB |
2019 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2020 | struct net_device *dev = info->user_ptr[1]; | |
2021 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2022 | const u8 *bssid; |
e8347eba BJ |
2023 | |
2024 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2025 | return -EINVAL; | |
2026 | ||
43b19952 JB |
2027 | if (netif_running(dev)) |
2028 | return -EBUSY; | |
e8347eba | 2029 | |
43b19952 JB |
2030 | if (!rdev->ops->set_wds_peer) |
2031 | return -EOPNOTSUPP; | |
e8347eba | 2032 | |
43b19952 JB |
2033 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2034 | return -EOPNOTSUPP; | |
e8347eba BJ |
2035 | |
2036 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2037 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2038 | } |
2039 | ||
2040 | ||
55682965 JB |
2041 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2042 | { | |
2043 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2044 | struct net_device *netdev = NULL; |
2045 | struct wireless_dev *wdev; | |
a1e567c8 | 2046 | int result = 0, rem_txq_params = 0; |
31888487 | 2047 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2048 | u32 changed; |
2049 | u8 retry_short = 0, retry_long = 0; | |
2050 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2051 | u8 coverage_class = 0; |
55682965 | 2052 | |
5fe231e8 JB |
2053 | ASSERT_RTNL(); |
2054 | ||
f444de05 JB |
2055 | /* |
2056 | * Try to find the wiphy and netdev. Normally this | |
2057 | * function shouldn't need the netdev, but this is | |
2058 | * done for backward compatibility -- previously | |
2059 | * setting the channel was done per wiphy, but now | |
2060 | * it is per netdev. Previous userland like hostapd | |
2061 | * also passed a netdev to set_wiphy, so that it is | |
2062 | * possible to let that go to the right netdev! | |
2063 | */ | |
4bbf4d56 | 2064 | |
f444de05 JB |
2065 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2066 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2067 | ||
7f2b8562 | 2068 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2069 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2070 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2071 | else |
f444de05 | 2072 | netdev = NULL; |
4bbf4d56 JB |
2073 | } |
2074 | ||
f444de05 | 2075 | if (!netdev) { |
878d9ec7 JB |
2076 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2077 | info->attrs); | |
5fe231e8 | 2078 | if (IS_ERR(rdev)) |
4c476991 | 2079 | return PTR_ERR(rdev); |
f444de05 JB |
2080 | wdev = NULL; |
2081 | netdev = NULL; | |
2082 | result = 0; | |
71fe96bf | 2083 | } else |
f444de05 | 2084 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2085 | |
2086 | /* | |
2087 | * end workaround code, by now the rdev is available | |
2088 | * and locked, and wdev may or may not be NULL. | |
2089 | */ | |
4bbf4d56 JB |
2090 | |
2091 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2092 | result = cfg80211_dev_rename( |
2093 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2094 | |
4bbf4d56 | 2095 | if (result) |
7f2b8562 | 2096 | return result; |
31888487 JM |
2097 | |
2098 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2099 | struct ieee80211_txq_params txq_params; | |
2100 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2101 | ||
7f2b8562 YX |
2102 | if (!rdev->ops->set_txq_params) |
2103 | return -EOPNOTSUPP; | |
31888487 | 2104 | |
7f2b8562 YX |
2105 | if (!netdev) |
2106 | return -EINVAL; | |
f70f01c2 | 2107 | |
133a3ff2 | 2108 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2109 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2110 | return -EINVAL; | |
133a3ff2 | 2111 | |
7f2b8562 YX |
2112 | if (!netif_running(netdev)) |
2113 | return -ENETDOWN; | |
2b5f8b0b | 2114 | |
31888487 JM |
2115 | nla_for_each_nested(nl_txq_params, |
2116 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2117 | rem_txq_params) { | |
ae811e21 JB |
2118 | result = nla_parse(tb, NL80211_TXQ_ATTR_MAX, |
2119 | nla_data(nl_txq_params), | |
2120 | nla_len(nl_txq_params), | |
2121 | txq_params_policy); | |
2122 | if (result) | |
2123 | return result; | |
31888487 JM |
2124 | result = parse_txq_params(tb, &txq_params); |
2125 | if (result) | |
7f2b8562 | 2126 | return result; |
31888487 | 2127 | |
e35e4d28 HG |
2128 | result = rdev_set_txq_params(rdev, netdev, |
2129 | &txq_params); | |
31888487 | 2130 | if (result) |
7f2b8562 | 2131 | return result; |
31888487 JM |
2132 | } |
2133 | } | |
55682965 | 2134 | |
72bdcf34 | 2135 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2136 | result = __nl80211_set_channel( |
2137 | rdev, | |
2138 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2139 | info); | |
72bdcf34 | 2140 | if (result) |
7f2b8562 | 2141 | return result; |
72bdcf34 JM |
2142 | } |
2143 | ||
98d2ff8b | 2144 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2145 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2146 | enum nl80211_tx_power_setting type; |
2147 | int idx, mbm = 0; | |
2148 | ||
c8442118 JB |
2149 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2150 | txp_wdev = NULL; | |
2151 | ||
7f2b8562 YX |
2152 | if (!rdev->ops->set_tx_power) |
2153 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2154 | |
2155 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2156 | type = nla_get_u32(info->attrs[idx]); | |
2157 | ||
2158 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2159 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2160 | return -EINVAL; | |
98d2ff8b JO |
2161 | |
2162 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2163 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2164 | mbm = nla_get_u32(info->attrs[idx]); | |
2165 | } | |
2166 | ||
c8442118 | 2167 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2168 | if (result) |
7f2b8562 | 2169 | return result; |
98d2ff8b JO |
2170 | } |
2171 | ||
afe0cbf8 BR |
2172 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2173 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2174 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2175 | if ((!rdev->wiphy.available_antennas_tx && |
2176 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2177 | !rdev->ops->set_antenna) |
2178 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2179 | |
2180 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2181 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2182 | ||
a7ffac95 | 2183 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2184 | * available antenna masks, except for the "all" mask */ |
2185 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2186 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2187 | return -EINVAL; | |
a7ffac95 | 2188 | |
7f531e03 BR |
2189 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2190 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2191 | |
e35e4d28 | 2192 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2193 | if (result) |
7f2b8562 | 2194 | return result; |
afe0cbf8 BR |
2195 | } |
2196 | ||
b9a5f8ca JM |
2197 | changed = 0; |
2198 | ||
2199 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2200 | retry_short = nla_get_u8( | |
2201 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2202 | if (retry_short == 0) |
2203 | return -EINVAL; | |
2204 | ||
b9a5f8ca JM |
2205 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2206 | } | |
2207 | ||
2208 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2209 | retry_long = nla_get_u8( | |
2210 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2211 | if (retry_long == 0) |
2212 | return -EINVAL; | |
2213 | ||
b9a5f8ca JM |
2214 | changed |= WIPHY_PARAM_RETRY_LONG; |
2215 | } | |
2216 | ||
2217 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2218 | frag_threshold = nla_get_u32( | |
2219 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2220 | if (frag_threshold < 256) |
2221 | return -EINVAL; | |
2222 | ||
b9a5f8ca JM |
2223 | if (frag_threshold != (u32) -1) { |
2224 | /* | |
2225 | * Fragments (apart from the last one) are required to | |
2226 | * have even length. Make the fragmentation code | |
2227 | * simpler by stripping LSB should someone try to use | |
2228 | * odd threshold value. | |
2229 | */ | |
2230 | frag_threshold &= ~0x1; | |
2231 | } | |
2232 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2233 | } | |
2234 | ||
2235 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2236 | rts_threshold = nla_get_u32( | |
2237 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2238 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2239 | } | |
2240 | ||
81077e82 LT |
2241 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
2242 | coverage_class = nla_get_u8( | |
2243 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2244 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2245 | } | |
2246 | ||
b9a5f8ca JM |
2247 | if (changed) { |
2248 | u8 old_retry_short, old_retry_long; | |
2249 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2250 | u8 old_coverage_class; |
b9a5f8ca | 2251 | |
7f2b8562 YX |
2252 | if (!rdev->ops->set_wiphy_params) |
2253 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2254 | |
2255 | old_retry_short = rdev->wiphy.retry_short; | |
2256 | old_retry_long = rdev->wiphy.retry_long; | |
2257 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2258 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2259 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2260 | |
2261 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2262 | rdev->wiphy.retry_short = retry_short; | |
2263 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2264 | rdev->wiphy.retry_long = retry_long; | |
2265 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2266 | rdev->wiphy.frag_threshold = frag_threshold; | |
2267 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2268 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2269 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2270 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2271 | |
e35e4d28 | 2272 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2273 | if (result) { |
2274 | rdev->wiphy.retry_short = old_retry_short; | |
2275 | rdev->wiphy.retry_long = old_retry_long; | |
2276 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2277 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2278 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2279 | } |
2280 | } | |
7f2b8562 | 2281 | return 0; |
55682965 JB |
2282 | } |
2283 | ||
71bbc994 JB |
2284 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2285 | { | |
2286 | return (u64)wdev->identifier | | |
f26cbf40 | 2287 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2288 | } |
55682965 | 2289 | |
683b6d3b | 2290 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2291 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2292 | { |
9f5e8f6e | 2293 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2294 | |
683b6d3b JB |
2295 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2296 | chandef->chan->center_freq)) | |
2297 | return -ENOBUFS; | |
3d9d1d66 JB |
2298 | switch (chandef->width) { |
2299 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2300 | case NL80211_CHAN_WIDTH_20: | |
2301 | case NL80211_CHAN_WIDTH_40: | |
2302 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2303 | cfg80211_get_chandef_type(chandef))) | |
2304 | return -ENOBUFS; | |
2305 | break; | |
2306 | default: | |
2307 | break; | |
2308 | } | |
2309 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2310 | return -ENOBUFS; | |
2311 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2312 | return -ENOBUFS; | |
2313 | if (chandef->center_freq2 && | |
2314 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2315 | return -ENOBUFS; |
2316 | return 0; | |
2317 | } | |
2318 | ||
15e47304 | 2319 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2320 | struct cfg80211_registered_device *rdev, |
72fb2abc | 2321 | struct wireless_dev *wdev) |
55682965 | 2322 | { |
72fb2abc | 2323 | struct net_device *dev = wdev->netdev; |
55682965 JB |
2324 | void *hdr; |
2325 | ||
15e47304 | 2326 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
2327 | if (!hdr) |
2328 | return -1; | |
2329 | ||
72fb2abc JB |
2330 | if (dev && |
2331 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2332 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2333 | goto nla_put_failure; |
2334 | ||
2335 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2336 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2337 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2338 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2339 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2340 | rdev->devlist_generation ^ | |
2341 | (cfg80211_rdev_list_generation << 2))) | |
2342 | goto nla_put_failure; | |
f5ea9120 | 2343 | |
5b7ccaf3 | 2344 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2345 | int ret; |
2346 | struct cfg80211_chan_def chandef; | |
2347 | ||
2348 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2349 | if (ret == 0) { | |
2350 | if (nl80211_send_chandef(msg, &chandef)) | |
2351 | goto nla_put_failure; | |
2352 | } | |
d91df0e3 PF |
2353 | } |
2354 | ||
b84e7a05 AQ |
2355 | if (wdev->ssid_len) { |
2356 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2357 | goto nla_put_failure; | |
2358 | } | |
2359 | ||
55682965 JB |
2360 | return genlmsg_end(msg, hdr); |
2361 | ||
2362 | nla_put_failure: | |
bc3ed28c TG |
2363 | genlmsg_cancel(msg, hdr); |
2364 | return -EMSGSIZE; | |
55682965 JB |
2365 | } |
2366 | ||
2367 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2368 | { | |
2369 | int wp_idx = 0; | |
2370 | int if_idx = 0; | |
2371 | int wp_start = cb->args[0]; | |
2372 | int if_start = cb->args[1]; | |
f5ea9120 | 2373 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2374 | struct wireless_dev *wdev; |
2375 | ||
5fe231e8 | 2376 | rtnl_lock(); |
f5ea9120 JB |
2377 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2378 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2379 | continue; |
bba95fef JB |
2380 | if (wp_idx < wp_start) { |
2381 | wp_idx++; | |
55682965 | 2382 | continue; |
bba95fef | 2383 | } |
55682965 JB |
2384 | if_idx = 0; |
2385 | ||
89a54e48 | 2386 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2387 | if (if_idx < if_start) { |
2388 | if_idx++; | |
55682965 | 2389 | continue; |
bba95fef | 2390 | } |
15e47304 | 2391 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2392 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 2393 | rdev, wdev) < 0) { |
bba95fef JB |
2394 | goto out; |
2395 | } | |
2396 | if_idx++; | |
55682965 | 2397 | } |
bba95fef JB |
2398 | |
2399 | wp_idx++; | |
55682965 | 2400 | } |
bba95fef | 2401 | out: |
5fe231e8 | 2402 | rtnl_unlock(); |
55682965 JB |
2403 | |
2404 | cb->args[0] = wp_idx; | |
2405 | cb->args[1] = if_idx; | |
2406 | ||
2407 | return skb->len; | |
2408 | } | |
2409 | ||
2410 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2411 | { | |
2412 | struct sk_buff *msg; | |
1b8ec87a | 2413 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2414 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2415 | |
fd2120ca | 2416 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2417 | if (!msg) |
4c476991 | 2418 | return -ENOMEM; |
55682965 | 2419 | |
15e47304 | 2420 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1b8ec87a | 2421 | rdev, wdev) < 0) { |
4c476991 JB |
2422 | nlmsg_free(msg); |
2423 | return -ENOBUFS; | |
2424 | } | |
55682965 | 2425 | |
134e6375 | 2426 | return genlmsg_reply(msg, info); |
55682965 JB |
2427 | } |
2428 | ||
66f7ac50 MW |
2429 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2430 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2431 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2432 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2433 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2434 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2435 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2436 | }; |
2437 | ||
2438 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2439 | { | |
2440 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2441 | int flag; | |
2442 | ||
2443 | *mntrflags = 0; | |
2444 | ||
2445 | if (!nla) | |
2446 | return -EINVAL; | |
2447 | ||
2448 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2449 | nla, mntr_flags_policy)) | |
2450 | return -EINVAL; | |
2451 | ||
2452 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2453 | if (flags[flag]) | |
2454 | *mntrflags |= (1<<flag); | |
2455 | ||
2456 | return 0; | |
2457 | } | |
2458 | ||
9bc383de | 2459 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2460 | struct net_device *netdev, u8 use_4addr, |
2461 | enum nl80211_iftype iftype) | |
9bc383de | 2462 | { |
ad4bb6f8 | 2463 | if (!use_4addr) { |
f350a0a8 | 2464 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2465 | return -EBUSY; |
9bc383de | 2466 | return 0; |
ad4bb6f8 | 2467 | } |
9bc383de JB |
2468 | |
2469 | switch (iftype) { | |
2470 | case NL80211_IFTYPE_AP_VLAN: | |
2471 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2472 | return 0; | |
2473 | break; | |
2474 | case NL80211_IFTYPE_STATION: | |
2475 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2476 | return 0; | |
2477 | break; | |
2478 | default: | |
2479 | break; | |
2480 | } | |
2481 | ||
2482 | return -EOPNOTSUPP; | |
2483 | } | |
2484 | ||
55682965 JB |
2485 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2486 | { | |
4c476991 | 2487 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2488 | struct vif_params params; |
e36d56b6 | 2489 | int err; |
04a773ad | 2490 | enum nl80211_iftype otype, ntype; |
4c476991 | 2491 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2492 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2493 | bool change = false; |
55682965 | 2494 | |
2ec600d6 LCC |
2495 | memset(¶ms, 0, sizeof(params)); |
2496 | ||
04a773ad | 2497 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2498 | |
723b038d | 2499 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2500 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2501 | if (otype != ntype) |
ac7f9cfa | 2502 | change = true; |
4c476991 JB |
2503 | if (ntype > NL80211_IFTYPE_MAX) |
2504 | return -EINVAL; | |
723b038d JB |
2505 | } |
2506 | ||
92ffe055 | 2507 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2508 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2509 | ||
4c476991 JB |
2510 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2511 | return -EINVAL; | |
29cbe68c JB |
2512 | if (netif_running(dev)) |
2513 | return -EBUSY; | |
2514 | ||
2515 | wdev_lock(wdev); | |
2516 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2517 | IEEE80211_MAX_MESH_ID_LEN); | |
2518 | wdev->mesh_id_up_len = | |
2519 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2520 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2521 | wdev->mesh_id_up_len); | |
2522 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2523 | } |
2524 | ||
8b787643 FF |
2525 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2526 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2527 | change = true; | |
ad4bb6f8 | 2528 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2529 | if (err) |
4c476991 | 2530 | return err; |
8b787643 FF |
2531 | } else { |
2532 | params.use_4addr = -1; | |
2533 | } | |
2534 | ||
92ffe055 | 2535 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2536 | if (ntype != NL80211_IFTYPE_MONITOR) |
2537 | return -EINVAL; | |
92ffe055 JB |
2538 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2539 | &_flags); | |
ac7f9cfa | 2540 | if (err) |
4c476991 | 2541 | return err; |
ac7f9cfa JB |
2542 | |
2543 | flags = &_flags; | |
2544 | change = true; | |
92ffe055 | 2545 | } |
3b85875a | 2546 | |
18003297 | 2547 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2548 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2549 | return -EOPNOTSUPP; | |
2550 | ||
ac7f9cfa | 2551 | if (change) |
3d54d255 | 2552 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2553 | else |
2554 | err = 0; | |
60719ffd | 2555 | |
9bc383de JB |
2556 | if (!err && params.use_4addr != -1) |
2557 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2558 | ||
55682965 JB |
2559 | return err; |
2560 | } | |
2561 | ||
2562 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2563 | { | |
4c476991 | 2564 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2565 | struct vif_params params; |
84efbb84 | 2566 | struct wireless_dev *wdev; |
1c90f9d4 | 2567 | struct sk_buff *msg; |
55682965 JB |
2568 | int err; |
2569 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2570 | u32 flags; |
55682965 | 2571 | |
78f22b6a JB |
2572 | /* to avoid failing a new interface creation due to pending removal */ |
2573 | cfg80211_destroy_ifaces(rdev); | |
2574 | ||
2ec600d6 LCC |
2575 | memset(¶ms, 0, sizeof(params)); |
2576 | ||
55682965 JB |
2577 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2578 | return -EINVAL; | |
2579 | ||
2580 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2581 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2582 | if (type > NL80211_IFTYPE_MAX) | |
2583 | return -EINVAL; | |
2584 | } | |
2585 | ||
79c97e97 | 2586 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2587 | !(rdev->wiphy.interface_modes & (1 << type))) |
2588 | return -EOPNOTSUPP; | |
55682965 | 2589 | |
1c18f145 AS |
2590 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2591 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2592 | ETH_ALEN); | |
2593 | if (!is_valid_ether_addr(params.macaddr)) | |
2594 | return -EADDRNOTAVAIL; | |
2595 | } | |
2596 | ||
9bc383de | 2597 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2598 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2599 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2600 | if (err) |
4c476991 | 2601 | return err; |
9bc383de | 2602 | } |
8b787643 | 2603 | |
1c90f9d4 JB |
2604 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2605 | if (!msg) | |
2606 | return -ENOMEM; | |
2607 | ||
66f7ac50 MW |
2608 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2609 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2610 | &flags); | |
e057d3c3 | 2611 | |
18003297 | 2612 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2613 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2614 | return -EOPNOTSUPP; | |
2615 | ||
e35e4d28 HG |
2616 | wdev = rdev_add_virtual_intf(rdev, |
2617 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2618 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2619 | if (IS_ERR(wdev)) { |
2620 | nlmsg_free(msg); | |
84efbb84 | 2621 | return PTR_ERR(wdev); |
1c90f9d4 | 2622 | } |
2ec600d6 | 2623 | |
78f22b6a JB |
2624 | if (info->attrs[NL80211_ATTR_IFACE_SOCKET_OWNER]) |
2625 | wdev->owner_nlportid = info->snd_portid; | |
2626 | ||
98104fde JB |
2627 | switch (type) { |
2628 | case NL80211_IFTYPE_MESH_POINT: | |
2629 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2630 | break; | |
29cbe68c JB |
2631 | wdev_lock(wdev); |
2632 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2633 | IEEE80211_MAX_MESH_ID_LEN); | |
2634 | wdev->mesh_id_up_len = | |
2635 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2636 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2637 | wdev->mesh_id_up_len); | |
2638 | wdev_unlock(wdev); | |
98104fde JB |
2639 | break; |
2640 | case NL80211_IFTYPE_P2P_DEVICE: | |
2641 | /* | |
2642 | * P2P Device doesn't have a netdev, so doesn't go | |
2643 | * through the netdev notifier and must be added here | |
2644 | */ | |
2645 | mutex_init(&wdev->mtx); | |
2646 | INIT_LIST_HEAD(&wdev->event_list); | |
2647 | spin_lock_init(&wdev->event_lock); | |
2648 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2649 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2650 | ||
98104fde JB |
2651 | wdev->identifier = ++rdev->wdev_id; |
2652 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2653 | rdev->devlist_generation++; | |
98104fde JB |
2654 | break; |
2655 | default: | |
2656 | break; | |
29cbe68c JB |
2657 | } |
2658 | ||
15e47304 | 2659 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2660 | rdev, wdev) < 0) { |
2661 | nlmsg_free(msg); | |
2662 | return -ENOBUFS; | |
2663 | } | |
2664 | ||
2665 | return genlmsg_reply(msg, info); | |
55682965 JB |
2666 | } |
2667 | ||
2668 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2669 | { | |
4c476991 | 2670 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2671 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2672 | |
4c476991 JB |
2673 | if (!rdev->ops->del_virtual_intf) |
2674 | return -EOPNOTSUPP; | |
55682965 | 2675 | |
84efbb84 JB |
2676 | /* |
2677 | * If we remove a wireless device without a netdev then clear | |
2678 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2679 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2680 | * since the wdev has been freed, unlike with a netdev where | |
2681 | * we need the dev_put() for the netdev to really be freed. | |
2682 | */ | |
2683 | if (!wdev->netdev) | |
2684 | info->user_ptr[1] = NULL; | |
2685 | ||
e35e4d28 | 2686 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2687 | } |
2688 | ||
1d9d9213 SW |
2689 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2690 | { | |
2691 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2692 | struct net_device *dev = info->user_ptr[1]; | |
2693 | u16 noack_map; | |
2694 | ||
2695 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2696 | return -EINVAL; | |
2697 | ||
2698 | if (!rdev->ops->set_noack_map) | |
2699 | return -EOPNOTSUPP; | |
2700 | ||
2701 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2702 | ||
e35e4d28 | 2703 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2704 | } |
2705 | ||
41ade00f JB |
2706 | struct get_key_cookie { |
2707 | struct sk_buff *msg; | |
2708 | int error; | |
b9454e83 | 2709 | int idx; |
41ade00f JB |
2710 | }; |
2711 | ||
2712 | static void get_key_callback(void *c, struct key_params *params) | |
2713 | { | |
b9454e83 | 2714 | struct nlattr *key; |
41ade00f JB |
2715 | struct get_key_cookie *cookie = c; |
2716 | ||
9360ffd1 DM |
2717 | if ((params->key && |
2718 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2719 | params->key_len, params->key)) || | |
2720 | (params->seq && | |
2721 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2722 | params->seq_len, params->seq)) || | |
2723 | (params->cipher && | |
2724 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2725 | params->cipher))) | |
2726 | goto nla_put_failure; | |
41ade00f | 2727 | |
b9454e83 JB |
2728 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2729 | if (!key) | |
2730 | goto nla_put_failure; | |
2731 | ||
9360ffd1 DM |
2732 | if ((params->key && |
2733 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2734 | params->key_len, params->key)) || | |
2735 | (params->seq && | |
2736 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2737 | params->seq_len, params->seq)) || | |
2738 | (params->cipher && | |
2739 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2740 | params->cipher))) | |
2741 | goto nla_put_failure; | |
b9454e83 | 2742 | |
9360ffd1 DM |
2743 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2744 | goto nla_put_failure; | |
b9454e83 JB |
2745 | |
2746 | nla_nest_end(cookie->msg, key); | |
2747 | ||
41ade00f JB |
2748 | return; |
2749 | nla_put_failure: | |
2750 | cookie->error = 1; | |
2751 | } | |
2752 | ||
2753 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2754 | { | |
4c476991 | 2755 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2756 | int err; |
4c476991 | 2757 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2758 | u8 key_idx = 0; |
e31b8213 JB |
2759 | const u8 *mac_addr = NULL; |
2760 | bool pairwise; | |
41ade00f JB |
2761 | struct get_key_cookie cookie = { |
2762 | .error = 0, | |
2763 | }; | |
2764 | void *hdr; | |
2765 | struct sk_buff *msg; | |
2766 | ||
2767 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2768 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2769 | ||
3cfcf6ac | 2770 | if (key_idx > 5) |
41ade00f JB |
2771 | return -EINVAL; |
2772 | ||
2773 | if (info->attrs[NL80211_ATTR_MAC]) | |
2774 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2775 | ||
e31b8213 JB |
2776 | pairwise = !!mac_addr; |
2777 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2778 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2779 | if (kt >= NUM_NL80211_KEYTYPES) | |
2780 | return -EINVAL; | |
2781 | if (kt != NL80211_KEYTYPE_GROUP && | |
2782 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2783 | return -EINVAL; | |
2784 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2785 | } | |
2786 | ||
4c476991 JB |
2787 | if (!rdev->ops->get_key) |
2788 | return -EOPNOTSUPP; | |
41ade00f | 2789 | |
fd2120ca | 2790 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2791 | if (!msg) |
2792 | return -ENOMEM; | |
41ade00f | 2793 | |
15e47304 | 2794 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2795 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 2796 | if (!hdr) |
9fe271af | 2797 | goto nla_put_failure; |
41ade00f JB |
2798 | |
2799 | cookie.msg = msg; | |
b9454e83 | 2800 | cookie.idx = key_idx; |
41ade00f | 2801 | |
9360ffd1 DM |
2802 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2803 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2804 | goto nla_put_failure; | |
2805 | if (mac_addr && | |
2806 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2807 | goto nla_put_failure; | |
41ade00f | 2808 | |
e31b8213 JB |
2809 | if (pairwise && mac_addr && |
2810 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2811 | return -ENOENT; | |
2812 | ||
e35e4d28 HG |
2813 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2814 | get_key_callback); | |
41ade00f JB |
2815 | |
2816 | if (err) | |
6c95e2a2 | 2817 | goto free_msg; |
41ade00f JB |
2818 | |
2819 | if (cookie.error) | |
2820 | goto nla_put_failure; | |
2821 | ||
2822 | genlmsg_end(msg, hdr); | |
4c476991 | 2823 | return genlmsg_reply(msg, info); |
41ade00f JB |
2824 | |
2825 | nla_put_failure: | |
2826 | err = -ENOBUFS; | |
6c95e2a2 | 2827 | free_msg: |
41ade00f | 2828 | nlmsg_free(msg); |
41ade00f JB |
2829 | return err; |
2830 | } | |
2831 | ||
2832 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2833 | { | |
4c476991 | 2834 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2835 | struct key_parse key; |
41ade00f | 2836 | int err; |
4c476991 | 2837 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2838 | |
b9454e83 JB |
2839 | err = nl80211_parse_key(info, &key); |
2840 | if (err) | |
2841 | return err; | |
41ade00f | 2842 | |
b9454e83 | 2843 | if (key.idx < 0) |
41ade00f JB |
2844 | return -EINVAL; |
2845 | ||
b9454e83 JB |
2846 | /* only support setting default key */ |
2847 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2848 | return -EINVAL; |
2849 | ||
dbd2fd65 | 2850 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2851 | |
dbd2fd65 JB |
2852 | if (key.def) { |
2853 | if (!rdev->ops->set_default_key) { | |
2854 | err = -EOPNOTSUPP; | |
2855 | goto out; | |
2856 | } | |
41ade00f | 2857 | |
dbd2fd65 JB |
2858 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2859 | if (err) | |
2860 | goto out; | |
2861 | ||
e35e4d28 | 2862 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2863 | key.def_uni, key.def_multi); |
2864 | ||
2865 | if (err) | |
2866 | goto out; | |
fffd0934 | 2867 | |
3d23e349 | 2868 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2869 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2870 | #endif | |
2871 | } else { | |
2872 | if (key.def_uni || !key.def_multi) { | |
2873 | err = -EINVAL; | |
2874 | goto out; | |
2875 | } | |
2876 | ||
2877 | if (!rdev->ops->set_default_mgmt_key) { | |
2878 | err = -EOPNOTSUPP; | |
2879 | goto out; | |
2880 | } | |
2881 | ||
2882 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2883 | if (err) | |
2884 | goto out; | |
2885 | ||
e35e4d28 | 2886 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2887 | if (err) |
2888 | goto out; | |
2889 | ||
2890 | #ifdef CONFIG_CFG80211_WEXT | |
2891 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2892 | #endif |
dbd2fd65 JB |
2893 | } |
2894 | ||
2895 | out: | |
fffd0934 | 2896 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2897 | |
41ade00f JB |
2898 | return err; |
2899 | } | |
2900 | ||
2901 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2902 | { | |
4c476991 | 2903 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2904 | int err; |
4c476991 | 2905 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2906 | struct key_parse key; |
e31b8213 | 2907 | const u8 *mac_addr = NULL; |
41ade00f | 2908 | |
b9454e83 JB |
2909 | err = nl80211_parse_key(info, &key); |
2910 | if (err) | |
2911 | return err; | |
41ade00f | 2912 | |
b9454e83 | 2913 | if (!key.p.key) |
41ade00f JB |
2914 | return -EINVAL; |
2915 | ||
41ade00f JB |
2916 | if (info->attrs[NL80211_ATTR_MAC]) |
2917 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2918 | ||
e31b8213 JB |
2919 | if (key.type == -1) { |
2920 | if (mac_addr) | |
2921 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2922 | else | |
2923 | key.type = NL80211_KEYTYPE_GROUP; | |
2924 | } | |
2925 | ||
2926 | /* for now */ | |
2927 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2928 | key.type != NL80211_KEYTYPE_GROUP) | |
2929 | return -EINVAL; | |
2930 | ||
4c476991 JB |
2931 | if (!rdev->ops->add_key) |
2932 | return -EOPNOTSUPP; | |
25e47c18 | 2933 | |
e31b8213 JB |
2934 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2935 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2936 | mac_addr)) | |
4c476991 | 2937 | return -EINVAL; |
41ade00f | 2938 | |
fffd0934 JB |
2939 | wdev_lock(dev->ieee80211_ptr); |
2940 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2941 | if (!err) | |
e35e4d28 HG |
2942 | err = rdev_add_key(rdev, dev, key.idx, |
2943 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2944 | mac_addr, &key.p); | |
fffd0934 | 2945 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2946 | |
41ade00f JB |
2947 | return err; |
2948 | } | |
2949 | ||
2950 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2951 | { | |
4c476991 | 2952 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2953 | int err; |
4c476991 | 2954 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2955 | u8 *mac_addr = NULL; |
b9454e83 | 2956 | struct key_parse key; |
41ade00f | 2957 | |
b9454e83 JB |
2958 | err = nl80211_parse_key(info, &key); |
2959 | if (err) | |
2960 | return err; | |
41ade00f JB |
2961 | |
2962 | if (info->attrs[NL80211_ATTR_MAC]) | |
2963 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2964 | ||
e31b8213 JB |
2965 | if (key.type == -1) { |
2966 | if (mac_addr) | |
2967 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2968 | else | |
2969 | key.type = NL80211_KEYTYPE_GROUP; | |
2970 | } | |
2971 | ||
2972 | /* for now */ | |
2973 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2974 | key.type != NL80211_KEYTYPE_GROUP) | |
2975 | return -EINVAL; | |
2976 | ||
4c476991 JB |
2977 | if (!rdev->ops->del_key) |
2978 | return -EOPNOTSUPP; | |
41ade00f | 2979 | |
fffd0934 JB |
2980 | wdev_lock(dev->ieee80211_ptr); |
2981 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2982 | |
2983 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2984 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2985 | err = -ENOENT; | |
2986 | ||
fffd0934 | 2987 | if (!err) |
e35e4d28 HG |
2988 | err = rdev_del_key(rdev, dev, key.idx, |
2989 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2990 | mac_addr); | |
41ade00f | 2991 | |
3d23e349 | 2992 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2993 | if (!err) { |
b9454e83 | 2994 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2995 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2996 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2997 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2998 | } | |
2999 | #endif | |
fffd0934 | 3000 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3001 | |
41ade00f JB |
3002 | return err; |
3003 | } | |
3004 | ||
77765eaf VT |
3005 | /* This function returns an error or the number of nested attributes */ |
3006 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3007 | { | |
3008 | struct nlattr *attr; | |
3009 | int n_entries = 0, tmp; | |
3010 | ||
3011 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3012 | if (nla_len(attr) != ETH_ALEN) | |
3013 | return -EINVAL; | |
3014 | ||
3015 | n_entries++; | |
3016 | } | |
3017 | ||
3018 | return n_entries; | |
3019 | } | |
3020 | ||
3021 | /* | |
3022 | * This function parses ACL information and allocates memory for ACL data. | |
3023 | * On successful return, the calling function is responsible to free the | |
3024 | * ACL buffer returned by this function. | |
3025 | */ | |
3026 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3027 | struct genl_info *info) | |
3028 | { | |
3029 | enum nl80211_acl_policy acl_policy; | |
3030 | struct nlattr *attr; | |
3031 | struct cfg80211_acl_data *acl; | |
3032 | int i = 0, n_entries, tmp; | |
3033 | ||
3034 | if (!wiphy->max_acl_mac_addrs) | |
3035 | return ERR_PTR(-EOPNOTSUPP); | |
3036 | ||
3037 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3038 | return ERR_PTR(-EINVAL); | |
3039 | ||
3040 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3041 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3042 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3043 | return ERR_PTR(-EINVAL); | |
3044 | ||
3045 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3046 | return ERR_PTR(-EINVAL); | |
3047 | ||
3048 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3049 | if (n_entries < 0) | |
3050 | return ERR_PTR(n_entries); | |
3051 | ||
3052 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3053 | return ERR_PTR(-ENOTSUPP); | |
3054 | ||
3055 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3056 | GFP_KERNEL); | |
3057 | if (!acl) | |
3058 | return ERR_PTR(-ENOMEM); | |
3059 | ||
3060 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3061 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3062 | i++; | |
3063 | } | |
3064 | ||
3065 | acl->n_acl_entries = n_entries; | |
3066 | acl->acl_policy = acl_policy; | |
3067 | ||
3068 | return acl; | |
3069 | } | |
3070 | ||
3071 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3072 | { | |
3073 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3074 | struct net_device *dev = info->user_ptr[1]; | |
3075 | struct cfg80211_acl_data *acl; | |
3076 | int err; | |
3077 | ||
3078 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3079 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3080 | return -EOPNOTSUPP; | |
3081 | ||
3082 | if (!dev->ieee80211_ptr->beacon_interval) | |
3083 | return -EINVAL; | |
3084 | ||
3085 | acl = parse_acl_data(&rdev->wiphy, info); | |
3086 | if (IS_ERR(acl)) | |
3087 | return PTR_ERR(acl); | |
3088 | ||
3089 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3090 | ||
3091 | kfree(acl); | |
3092 | ||
3093 | return err; | |
3094 | } | |
3095 | ||
a1193be8 | 3096 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3097 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3098 | { |
8860020e | 3099 | bool haveinfo = false; |
ed1b6cc7 | 3100 | |
a1193be8 SW |
3101 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3102 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3103 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3104 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3105 | return -EINVAL; |
3106 | ||
8860020e | 3107 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3108 | |
a1193be8 SW |
3109 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3110 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3111 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3112 | if (!bcn->head_len) |
3113 | return -EINVAL; | |
3114 | haveinfo = true; | |
ed1b6cc7 JB |
3115 | } |
3116 | ||
a1193be8 SW |
3117 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3118 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3119 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3120 | haveinfo = true; |
ed1b6cc7 JB |
3121 | } |
3122 | ||
4c476991 JB |
3123 | if (!haveinfo) |
3124 | return -EINVAL; | |
3b85875a | 3125 | |
a1193be8 SW |
3126 | if (attrs[NL80211_ATTR_IE]) { |
3127 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3128 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3129 | } |
3130 | ||
a1193be8 | 3131 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3132 | bcn->proberesp_ies = |
a1193be8 | 3133 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3134 | bcn->proberesp_ies_len = |
a1193be8 | 3135 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3136 | } |
3137 | ||
a1193be8 | 3138 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3139 | bcn->assocresp_ies = |
a1193be8 | 3140 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3141 | bcn->assocresp_ies_len = |
a1193be8 | 3142 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3143 | } |
3144 | ||
a1193be8 SW |
3145 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3146 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3147 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3148 | } |
3149 | ||
8860020e JB |
3150 | return 0; |
3151 | } | |
3152 | ||
46c1dd0c FF |
3153 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3154 | struct cfg80211_ap_settings *params) | |
3155 | { | |
3156 | struct wireless_dev *wdev; | |
3157 | bool ret = false; | |
3158 | ||
89a54e48 | 3159 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3160 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3161 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3162 | continue; | |
3163 | ||
683b6d3b | 3164 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3165 | continue; |
3166 | ||
683b6d3b | 3167 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3168 | ret = true; |
3169 | break; | |
3170 | } | |
3171 | ||
46c1dd0c FF |
3172 | return ret; |
3173 | } | |
3174 | ||
e39e5b5e JM |
3175 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3176 | enum nl80211_auth_type auth_type, | |
3177 | enum nl80211_commands cmd) | |
3178 | { | |
3179 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3180 | return false; | |
3181 | ||
3182 | switch (cmd) { | |
3183 | case NL80211_CMD_AUTHENTICATE: | |
3184 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3185 | auth_type == NL80211_AUTHTYPE_SAE) | |
3186 | return false; | |
3187 | return true; | |
3188 | case NL80211_CMD_CONNECT: | |
3189 | case NL80211_CMD_START_AP: | |
3190 | /* SAE not supported yet */ | |
3191 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3192 | return false; | |
3193 | return true; | |
3194 | default: | |
3195 | return false; | |
3196 | } | |
3197 | } | |
3198 | ||
8860020e JB |
3199 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3200 | { | |
3201 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3202 | struct net_device *dev = info->user_ptr[1]; | |
3203 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3204 | struct cfg80211_ap_settings params; | |
3205 | int err; | |
3206 | ||
3207 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3208 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3209 | return -EOPNOTSUPP; | |
3210 | ||
3211 | if (!rdev->ops->start_ap) | |
3212 | return -EOPNOTSUPP; | |
3213 | ||
3214 | if (wdev->beacon_interval) | |
3215 | return -EALREADY; | |
3216 | ||
3217 | memset(¶ms, 0, sizeof(params)); | |
3218 | ||
3219 | /* these are required for START_AP */ | |
3220 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3221 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3222 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3223 | return -EINVAL; | |
3224 | ||
a1193be8 | 3225 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3226 | if (err) |
3227 | return err; | |
3228 | ||
3229 | params.beacon_interval = | |
3230 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3231 | params.dtim_period = | |
3232 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3233 | ||
3234 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3235 | if (err) | |
3236 | return err; | |
3237 | ||
3238 | /* | |
3239 | * In theory, some of these attributes should be required here | |
3240 | * but since they were not used when the command was originally | |
3241 | * added, keep them optional for old user space programs to let | |
3242 | * them continue to work with drivers that do not need the | |
3243 | * additional information -- drivers must check! | |
3244 | */ | |
3245 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3246 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3247 | params.ssid_len = | |
3248 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3249 | if (params.ssid_len == 0 || | |
3250 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3251 | return -EINVAL; | |
3252 | } | |
3253 | ||
3254 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3255 | params.hidden_ssid = nla_get_u32( | |
3256 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3257 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3258 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3259 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3260 | return -EINVAL; | |
3261 | } | |
3262 | ||
3263 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3264 | ||
3265 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3266 | params.auth_type = nla_get_u32( | |
3267 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3268 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3269 | NL80211_CMD_START_AP)) | |
8860020e JB |
3270 | return -EINVAL; |
3271 | } else | |
3272 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3273 | ||
3274 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3275 | NL80211_MAX_NR_CIPHER_SUITES); | |
3276 | if (err) | |
3277 | return err; | |
3278 | ||
1b658f11 VT |
3279 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3280 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3281 | return -EOPNOTSUPP; | |
3282 | params.inactivity_timeout = nla_get_u16( | |
3283 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3284 | } | |
3285 | ||
53cabad7 JB |
3286 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3287 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3288 | return -EINVAL; | |
3289 | params.p2p_ctwindow = | |
3290 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3291 | if (params.p2p_ctwindow > 127) | |
3292 | return -EINVAL; | |
3293 | if (params.p2p_ctwindow != 0 && | |
3294 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3295 | return -EINVAL; | |
3296 | } | |
3297 | ||
3298 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3299 | u8 tmp; | |
3300 | ||
3301 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3302 | return -EINVAL; | |
3303 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3304 | if (tmp > 1) | |
3305 | return -EINVAL; | |
3306 | params.p2p_opp_ps = tmp; | |
3307 | if (params.p2p_opp_ps != 0 && | |
3308 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3309 | return -EINVAL; | |
3310 | } | |
3311 | ||
aa430da4 | 3312 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3313 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3314 | if (err) | |
3315 | return err; | |
3316 | } else if (wdev->preset_chandef.chan) { | |
3317 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3318 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3319 | return -EINVAL; |
3320 | ||
174e0cd2 IP |
3321 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, |
3322 | wdev->iftype)) | |
aa430da4 JB |
3323 | return -EINVAL; |
3324 | ||
77765eaf VT |
3325 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3326 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3327 | if (IS_ERR(params.acl)) | |
3328 | return PTR_ERR(params.acl); | |
3329 | } | |
3330 | ||
c56589ed | 3331 | wdev_lock(wdev); |
e35e4d28 | 3332 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3333 | if (!err) { |
683b6d3b | 3334 | wdev->preset_chandef = params.chandef; |
8860020e | 3335 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 3336 | wdev->chandef = params.chandef; |
06e191e2 AQ |
3337 | wdev->ssid_len = params.ssid_len; |
3338 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3339 | } |
c56589ed | 3340 | wdev_unlock(wdev); |
77765eaf VT |
3341 | |
3342 | kfree(params.acl); | |
3343 | ||
56d1893d | 3344 | return err; |
ed1b6cc7 JB |
3345 | } |
3346 | ||
8860020e JB |
3347 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3348 | { | |
3349 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3350 | struct net_device *dev = info->user_ptr[1]; | |
3351 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3352 | struct cfg80211_beacon_data params; | |
3353 | int err; | |
3354 | ||
3355 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3356 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3357 | return -EOPNOTSUPP; | |
3358 | ||
3359 | if (!rdev->ops->change_beacon) | |
3360 | return -EOPNOTSUPP; | |
3361 | ||
3362 | if (!wdev->beacon_interval) | |
3363 | return -EINVAL; | |
3364 | ||
a1193be8 | 3365 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3366 | if (err) |
3367 | return err; | |
3368 | ||
c56589ed SW |
3369 | wdev_lock(wdev); |
3370 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3371 | wdev_unlock(wdev); | |
3372 | ||
3373 | return err; | |
8860020e JB |
3374 | } |
3375 | ||
3376 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3377 | { |
4c476991 JB |
3378 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3379 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3380 | |
7c8d5e03 | 3381 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
3382 | } |
3383 | ||
5727ef1b JB |
3384 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3385 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3386 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3387 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3388 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3389 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3390 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3391 | }; |
3392 | ||
eccb8e8f | 3393 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3394 | enum nl80211_iftype iftype, |
eccb8e8f | 3395 | struct station_parameters *params) |
5727ef1b JB |
3396 | { |
3397 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3398 | struct nlattr *nla; |
5727ef1b JB |
3399 | int flag; |
3400 | ||
eccb8e8f JB |
3401 | /* |
3402 | * Try parsing the new attribute first so userspace | |
3403 | * can specify both for older kernels. | |
3404 | */ | |
3405 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3406 | if (nla) { | |
3407 | struct nl80211_sta_flag_update *sta_flags; | |
3408 | ||
3409 | sta_flags = nla_data(nla); | |
3410 | params->sta_flags_mask = sta_flags->mask; | |
3411 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3412 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3413 | if ((params->sta_flags_mask | |
3414 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3415 | return -EINVAL; | |
3416 | return 0; | |
3417 | } | |
3418 | ||
3419 | /* if present, parse the old attribute */ | |
5727ef1b | 3420 | |
eccb8e8f | 3421 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3422 | if (!nla) |
3423 | return 0; | |
3424 | ||
3425 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3426 | nla, sta_flags_policy)) | |
3427 | return -EINVAL; | |
3428 | ||
bdd3ae3d JB |
3429 | /* |
3430 | * Only allow certain flags for interface types so that | |
3431 | * other attributes are silently ignored. Remember that | |
3432 | * this is backward compatibility code with old userspace | |
3433 | * and shouldn't be hit in other cases anyway. | |
3434 | */ | |
3435 | switch (iftype) { | |
3436 | case NL80211_IFTYPE_AP: | |
3437 | case NL80211_IFTYPE_AP_VLAN: | |
3438 | case NL80211_IFTYPE_P2P_GO: | |
3439 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3440 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3441 | BIT(NL80211_STA_FLAG_WME) | | |
3442 | BIT(NL80211_STA_FLAG_MFP); | |
3443 | break; | |
3444 | case NL80211_IFTYPE_P2P_CLIENT: | |
3445 | case NL80211_IFTYPE_STATION: | |
3446 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3447 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3448 | break; | |
3449 | case NL80211_IFTYPE_MESH_POINT: | |
3450 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3451 | BIT(NL80211_STA_FLAG_MFP) | | |
3452 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3453 | default: | |
3454 | return -EINVAL; | |
3455 | } | |
5727ef1b | 3456 | |
3383b5a6 JB |
3457 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3458 | if (flags[flag]) { | |
eccb8e8f | 3459 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3460 | |
3383b5a6 JB |
3461 | /* no longer support new API additions in old API */ |
3462 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3463 | return -EINVAL; | |
3464 | } | |
3465 | } | |
3466 | ||
5727ef1b JB |
3467 | return 0; |
3468 | } | |
3469 | ||
c8dcfd8a FF |
3470 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3471 | int attr) | |
3472 | { | |
3473 | struct nlattr *rate; | |
8eb41c8d VK |
3474 | u32 bitrate; |
3475 | u16 bitrate_compat; | |
c8dcfd8a FF |
3476 | |
3477 | rate = nla_nest_start(msg, attr); | |
3478 | if (!rate) | |
db9c64cf | 3479 | return false; |
c8dcfd8a FF |
3480 | |
3481 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3482 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3483 | /* report 16-bit bitrate only if we can */ |
3484 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3485 | if (bitrate > 0 && |
3486 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3487 | return false; | |
3488 | if (bitrate_compat > 0 && | |
3489 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3490 | return false; | |
3491 | ||
3492 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3493 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3494 | return false; | |
3495 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3496 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3497 | return false; | |
3498 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3499 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3500 | return false; | |
3501 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3502 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3503 | return false; | |
3504 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3505 | return false; | |
3506 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3507 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3508 | return false; | |
3509 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3510 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3511 | return false; | |
3512 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3513 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3514 | return false; | |
3515 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3516 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3517 | return false; | |
3518 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3519 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3520 | return false; | |
3521 | } | |
c8dcfd8a FF |
3522 | |
3523 | nla_nest_end(msg, rate); | |
3524 | return true; | |
c8dcfd8a FF |
3525 | } |
3526 | ||
119363c7 FF |
3527 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3528 | int id) | |
3529 | { | |
3530 | void *attr; | |
3531 | int i = 0; | |
3532 | ||
3533 | if (!mask) | |
3534 | return true; | |
3535 | ||
3536 | attr = nla_nest_start(msg, id); | |
3537 | if (!attr) | |
3538 | return false; | |
3539 | ||
3540 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3541 | if (!(mask & BIT(i))) | |
3542 | continue; | |
3543 | ||
3544 | if (nla_put_u8(msg, i, signal[i])) | |
3545 | return false; | |
3546 | } | |
3547 | ||
3548 | nla_nest_end(msg, attr); | |
3549 | ||
3550 | return true; | |
3551 | } | |
3552 | ||
15e47304 | 3553 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3554 | int flags, |
3555 | struct cfg80211_registered_device *rdev, | |
3556 | struct net_device *dev, | |
98b62183 | 3557 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3558 | { |
3559 | void *hdr; | |
f4263c98 | 3560 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3561 | |
15e47304 | 3562 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3563 | if (!hdr) |
3564 | return -1; | |
3565 | ||
9360ffd1 DM |
3566 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3567 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3568 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3569 | goto nla_put_failure; | |
f5ea9120 | 3570 | |
2ec600d6 LCC |
3571 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3572 | if (!sinfoattr) | |
fd5b74dc | 3573 | goto nla_put_failure; |
9360ffd1 DM |
3574 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3575 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3576 | sinfo->connected_time)) | |
3577 | goto nla_put_failure; | |
3578 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3579 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3580 | sinfo->inactive_time)) | |
3581 | goto nla_put_failure; | |
42745e03 VK |
3582 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3583 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3584 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3585 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3586 | goto nla_put_failure; |
42745e03 | 3587 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3588 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3589 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3590 | (u32)sinfo->tx_bytes)) |
3591 | goto nla_put_failure; | |
3592 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3593 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3594 | sinfo->rx_bytes)) | |
3595 | goto nla_put_failure; | |
3596 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3597 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3598 | sinfo->tx_bytes)) |
3599 | goto nla_put_failure; | |
3600 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3601 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3602 | goto nla_put_failure; | |
3603 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3604 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3605 | goto nla_put_failure; | |
3606 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3607 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3608 | sinfo->plink_state)) | |
3609 | goto nla_put_failure; | |
66266b3a JL |
3610 | switch (rdev->wiphy.signal_type) { |
3611 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3612 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3613 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3614 | sinfo->signal)) | |
3615 | goto nla_put_failure; | |
3616 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3617 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3618 | sinfo->signal_avg)) | |
3619 | goto nla_put_failure; | |
66266b3a JL |
3620 | break; |
3621 | default: | |
3622 | break; | |
3623 | } | |
119363c7 FF |
3624 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3625 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3626 | sinfo->chain_signal, | |
3627 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3628 | goto nla_put_failure; | |
3629 | } | |
3630 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3631 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3632 | sinfo->chain_signal_avg, | |
3633 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3634 | goto nla_put_failure; | |
3635 | } | |
420e7fab | 3636 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3637 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3638 | NL80211_STA_INFO_TX_BITRATE)) | |
3639 | goto nla_put_failure; | |
3640 | } | |
3641 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3642 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3643 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3644 | goto nla_put_failure; |
420e7fab | 3645 | } |
9360ffd1 DM |
3646 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3647 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3648 | sinfo->rx_packets)) | |
3649 | goto nla_put_failure; | |
3650 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3651 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3652 | sinfo->tx_packets)) | |
3653 | goto nla_put_failure; | |
3654 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3655 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3656 | sinfo->tx_retries)) | |
3657 | goto nla_put_failure; | |
3658 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3659 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3660 | sinfo->tx_failed)) | |
3661 | goto nla_put_failure; | |
867d849f AQ |
3662 | if ((sinfo->filled & STATION_INFO_EXPECTED_THROUGHPUT) && |
3663 | nla_put_u32(msg, NL80211_STA_INFO_EXPECTED_THROUGHPUT, | |
3664 | sinfo->expected_throughput)) | |
3665 | goto nla_put_failure; | |
9360ffd1 DM |
3666 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && |
3667 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3668 | sinfo->beacon_loss_count)) | |
3669 | goto nla_put_failure; | |
3b1c5a53 MP |
3670 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3671 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3672 | sinfo->local_pm)) | |
3673 | goto nla_put_failure; | |
3674 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3675 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3676 | sinfo->peer_pm)) | |
3677 | goto nla_put_failure; | |
3678 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3679 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3680 | sinfo->nonpeer_pm)) | |
3681 | goto nla_put_failure; | |
f4263c98 PS |
3682 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3683 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3684 | if (!bss_param) | |
3685 | goto nla_put_failure; | |
3686 | ||
9360ffd1 DM |
3687 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3688 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3689 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3690 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3691 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3692 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3693 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3694 | sinfo->bss_param.dtim_period) || | |
3695 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3696 | sinfo->bss_param.beacon_interval)) | |
3697 | goto nla_put_failure; | |
f4263c98 PS |
3698 | |
3699 | nla_nest_end(msg, bss_param); | |
3700 | } | |
9360ffd1 DM |
3701 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3702 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3703 | sizeof(struct nl80211_sta_flag_update), | |
3704 | &sinfo->sta_flags)) | |
3705 | goto nla_put_failure; | |
7eab0f64 JL |
3706 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3707 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3708 | sinfo->t_offset)) | |
3709 | goto nla_put_failure; | |
2ec600d6 | 3710 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3711 | |
9360ffd1 DM |
3712 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3713 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3714 | sinfo->assoc_req_ies)) | |
3715 | goto nla_put_failure; | |
50d3dfb7 | 3716 | |
fd5b74dc JB |
3717 | return genlmsg_end(msg, hdr); |
3718 | ||
3719 | nla_put_failure: | |
bc3ed28c TG |
3720 | genlmsg_cancel(msg, hdr); |
3721 | return -EMSGSIZE; | |
fd5b74dc JB |
3722 | } |
3723 | ||
2ec600d6 | 3724 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3725 | struct netlink_callback *cb) |
2ec600d6 | 3726 | { |
2ec600d6 | 3727 | struct station_info sinfo; |
1b8ec87a | 3728 | struct cfg80211_registered_device *rdev; |
97990a06 | 3729 | struct wireless_dev *wdev; |
2ec600d6 | 3730 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3731 | int sta_idx = cb->args[2]; |
2ec600d6 | 3732 | int err; |
2ec600d6 | 3733 | |
1b8ec87a | 3734 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
3735 | if (err) |
3736 | return err; | |
bba95fef | 3737 | |
97990a06 JB |
3738 | if (!wdev->netdev) { |
3739 | err = -EINVAL; | |
3740 | goto out_err; | |
3741 | } | |
3742 | ||
1b8ec87a | 3743 | if (!rdev->ops->dump_station) { |
eec60b03 | 3744 | err = -EOPNOTSUPP; |
bba95fef JB |
3745 | goto out_err; |
3746 | } | |
3747 | ||
bba95fef | 3748 | while (1) { |
f612cedf | 3749 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 3750 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 3751 | mac_addr, &sinfo); |
bba95fef JB |
3752 | if (err == -ENOENT) |
3753 | break; | |
3754 | if (err) | |
3b85875a | 3755 | goto out_err; |
bba95fef JB |
3756 | |
3757 | if (nl80211_send_station(skb, | |
15e47304 | 3758 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3759 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 3760 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
3761 | &sinfo) < 0) |
3762 | goto out; | |
3763 | ||
3764 | sta_idx++; | |
3765 | } | |
3766 | ||
3767 | ||
3768 | out: | |
97990a06 | 3769 | cb->args[2] = sta_idx; |
bba95fef | 3770 | err = skb->len; |
bba95fef | 3771 | out_err: |
1b8ec87a | 3772 | nl80211_finish_wdev_dump(rdev); |
bba95fef JB |
3773 | |
3774 | return err; | |
2ec600d6 | 3775 | } |
fd5b74dc | 3776 | |
5727ef1b JB |
3777 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3778 | { | |
4c476991 JB |
3779 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3780 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3781 | struct station_info sinfo; |
fd5b74dc JB |
3782 | struct sk_buff *msg; |
3783 | u8 *mac_addr = NULL; | |
4c476991 | 3784 | int err; |
fd5b74dc | 3785 | |
2ec600d6 | 3786 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3787 | |
3788 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3789 | return -EINVAL; | |
3790 | ||
3791 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3792 | ||
4c476991 JB |
3793 | if (!rdev->ops->get_station) |
3794 | return -EOPNOTSUPP; | |
3b85875a | 3795 | |
e35e4d28 | 3796 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3797 | if (err) |
4c476991 | 3798 | return err; |
2ec600d6 | 3799 | |
fd2120ca | 3800 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3801 | if (!msg) |
4c476991 | 3802 | return -ENOMEM; |
fd5b74dc | 3803 | |
15e47304 | 3804 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3805 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3806 | nlmsg_free(msg); |
3807 | return -ENOBUFS; | |
3808 | } | |
3b85875a | 3809 | |
4c476991 | 3810 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3811 | } |
3812 | ||
77ee7c89 JB |
3813 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3814 | struct station_parameters *params, | |
3815 | enum cfg80211_station_type statype) | |
3816 | { | |
3817 | if (params->listen_interval != -1) | |
3818 | return -EINVAL; | |
c72e1140 AN |
3819 | if (params->aid && |
3820 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
77ee7c89 JB |
3821 | return -EINVAL; |
3822 | ||
3823 | /* When you run into this, adjust the code below for the new flag */ | |
3824 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3825 | ||
3826 | switch (statype) { | |
eef941e6 TP |
3827 | case CFG80211_STA_MESH_PEER_KERNEL: |
3828 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3829 | /* |
3830 | * No ignoring the TDLS flag here -- the userspace mesh | |
3831 | * code doesn't have the bug of including TDLS in the | |
3832 | * mask everywhere. | |
3833 | */ | |
3834 | if (params->sta_flags_mask & | |
3835 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3836 | BIT(NL80211_STA_FLAG_MFP) | | |
3837 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3838 | return -EINVAL; | |
3839 | break; | |
3840 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3841 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3842 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3843 | return -EINVAL; | |
3844 | /* ignore since it can't change */ | |
3845 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3846 | break; | |
3847 | default: | |
3848 | /* disallow mesh-specific things */ | |
3849 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3850 | return -EINVAL; | |
3851 | if (params->local_pm) | |
3852 | return -EINVAL; | |
3853 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3854 | return -EINVAL; | |
3855 | } | |
3856 | ||
3857 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3858 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3859 | /* TDLS can't be set, ... */ | |
3860 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3861 | return -EINVAL; | |
3862 | /* | |
3863 | * ... but don't bother the driver with it. This works around | |
3864 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3865 | * TLDS_PEER flag in the mask even for AP mode. | |
3866 | */ | |
3867 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3868 | } | |
3869 | ||
3870 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3871 | /* reject other things that can't change */ | |
3872 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3873 | return -EINVAL; | |
3874 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3875 | return -EINVAL; | |
3876 | if (params->supported_rates) | |
3877 | return -EINVAL; | |
3878 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3879 | return -EINVAL; | |
3880 | } | |
3881 | ||
3882 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3883 | if (params->vlan) | |
3884 | return -EINVAL; | |
3885 | } | |
3886 | ||
3887 | switch (statype) { | |
3888 | case CFG80211_STA_AP_MLME_CLIENT: | |
3889 | /* Use this only for authorizing/unauthorizing a station */ | |
3890 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3891 | return -EOPNOTSUPP; | |
3892 | break; | |
3893 | case CFG80211_STA_AP_CLIENT: | |
3894 | /* accept only the listed bits */ | |
3895 | if (params->sta_flags_mask & | |
3896 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3897 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3898 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3899 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3900 | BIT(NL80211_STA_FLAG_WME) | | |
3901 | BIT(NL80211_STA_FLAG_MFP))) | |
3902 | return -EINVAL; | |
3903 | ||
3904 | /* but authenticated/associated only if driver handles it */ | |
3905 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3906 | params->sta_flags_mask & | |
3907 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3908 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3909 | return -EINVAL; | |
3910 | break; | |
3911 | case CFG80211_STA_IBSS: | |
3912 | case CFG80211_STA_AP_STA: | |
3913 | /* reject any changes other than AUTHORIZED */ | |
3914 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3915 | return -EINVAL; | |
3916 | break; | |
3917 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3918 | /* reject any changes other than AUTHORIZED or WME */ | |
3919 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3920 | BIT(NL80211_STA_FLAG_WME))) | |
3921 | return -EINVAL; | |
3922 | /* force (at least) rates when authorizing */ | |
3923 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
3924 | !params->supported_rates) | |
3925 | return -EINVAL; | |
3926 | break; | |
3927 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3928 | /* reject any changes */ | |
3929 | return -EINVAL; | |
eef941e6 | 3930 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
3931 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
3932 | return -EINVAL; | |
3933 | break; | |
eef941e6 | 3934 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
3935 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
3936 | return -EINVAL; | |
3937 | break; | |
3938 | } | |
3939 | ||
3940 | return 0; | |
3941 | } | |
3942 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
3943 | ||
5727ef1b | 3944 | /* |
c258d2de | 3945 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3946 | */ |
80b99899 JB |
3947 | static struct net_device *get_vlan(struct genl_info *info, |
3948 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3949 | { |
463d0183 | 3950 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3951 | struct net_device *v; |
3952 | int ret; | |
3953 | ||
3954 | if (!vlanattr) | |
3955 | return NULL; | |
3956 | ||
3957 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3958 | if (!v) | |
3959 | return ERR_PTR(-ENODEV); | |
3960 | ||
3961 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3962 | ret = -EINVAL; | |
3963 | goto error; | |
5727ef1b | 3964 | } |
80b99899 | 3965 | |
77ee7c89 JB |
3966 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
3967 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3968 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
3969 | ret = -EINVAL; | |
3970 | goto error; | |
3971 | } | |
3972 | ||
80b99899 JB |
3973 | if (!netif_running(v)) { |
3974 | ret = -ENETDOWN; | |
3975 | goto error; | |
3976 | } | |
3977 | ||
3978 | return v; | |
3979 | error: | |
3980 | dev_put(v); | |
3981 | return ERR_PTR(ret); | |
5727ef1b JB |
3982 | } |
3983 | ||
94e860f1 JB |
3984 | static const struct nla_policy |
3985 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
3986 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
3987 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
3988 | }; | |
3989 | ||
ff276691 JB |
3990 | static int nl80211_parse_sta_wme(struct genl_info *info, |
3991 | struct station_parameters *params) | |
df881293 | 3992 | { |
df881293 JM |
3993 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
3994 | struct nlattr *nla; | |
3995 | int err; | |
3996 | ||
df881293 JM |
3997 | /* parse WME attributes if present */ |
3998 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
3999 | return 0; | |
4000 | ||
4001 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4002 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4003 | nl80211_sta_wme_policy); | |
4004 | if (err) | |
4005 | return err; | |
4006 | ||
4007 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4008 | params->uapsd_queues = nla_get_u8( | |
4009 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4010 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4011 | return -EINVAL; | |
4012 | ||
4013 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4014 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4015 | ||
4016 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4017 | return -EINVAL; | |
4018 | ||
4019 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4020 | ||
4021 | return 0; | |
4022 | } | |
4023 | ||
c01fc9ad SD |
4024 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4025 | struct station_parameters *params) | |
4026 | { | |
4027 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4028 | params->supported_channels = | |
4029 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4030 | params->supported_channels_len = | |
4031 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4032 | /* | |
4033 | * Need to include at least one (first channel, number of | |
4034 | * channels) tuple for each subband, and must have proper | |
4035 | * tuples for the rest of the data as well. | |
4036 | */ | |
4037 | if (params->supported_channels_len < 2) | |
4038 | return -EINVAL; | |
4039 | if (params->supported_channels_len % 2) | |
4040 | return -EINVAL; | |
4041 | } | |
4042 | ||
4043 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4044 | params->supported_oper_classes = | |
4045 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4046 | params->supported_oper_classes_len = | |
4047 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4048 | /* | |
4049 | * The value of the Length field of the Supported Operating | |
4050 | * Classes element is between 2 and 253. | |
4051 | */ | |
4052 | if (params->supported_oper_classes_len < 2 || | |
4053 | params->supported_oper_classes_len > 253) | |
4054 | return -EINVAL; | |
4055 | } | |
4056 | return 0; | |
4057 | } | |
4058 | ||
ff276691 JB |
4059 | static int nl80211_set_station_tdls(struct genl_info *info, |
4060 | struct station_parameters *params) | |
4061 | { | |
c01fc9ad | 4062 | int err; |
ff276691 | 4063 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4064 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4065 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4066 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4067 | params->ht_capa = | |
4068 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4069 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4070 | params->vht_capa = | |
4071 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4072 | ||
c01fc9ad SD |
4073 | err = nl80211_parse_sta_channel_info(info, params); |
4074 | if (err) | |
4075 | return err; | |
4076 | ||
ff276691 JB |
4077 | return nl80211_parse_sta_wme(info, params); |
4078 | } | |
4079 | ||
5727ef1b JB |
4080 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4081 | { | |
4c476991 | 4082 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4083 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4084 | struct station_parameters params; |
77ee7c89 JB |
4085 | u8 *mac_addr; |
4086 | int err; | |
5727ef1b JB |
4087 | |
4088 | memset(¶ms, 0, sizeof(params)); | |
4089 | ||
4090 | params.listen_interval = -1; | |
4091 | ||
77ee7c89 JB |
4092 | if (!rdev->ops->change_station) |
4093 | return -EOPNOTSUPP; | |
4094 | ||
5727ef1b JB |
4095 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4096 | return -EINVAL; | |
4097 | ||
4098 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4099 | return -EINVAL; | |
4100 | ||
4101 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4102 | ||
4103 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4104 | params.supported_rates = | |
4105 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4106 | params.supported_rates_len = | |
4107 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4108 | } | |
4109 | ||
9d62a986 JM |
4110 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4111 | params.capability = | |
4112 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4113 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4114 | } | |
4115 | ||
4116 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4117 | params.ext_capab = | |
4118 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4119 | params.ext_capab_len = | |
4120 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4121 | } | |
4122 | ||
df881293 | 4123 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4124 | return -EINVAL; |
36aedc90 | 4125 | |
bdd3ae3d | 4126 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4127 | return -EINVAL; |
4128 | ||
f8bacc21 | 4129 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4130 | params.plink_action = |
f8bacc21 JB |
4131 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4132 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4133 | return -EINVAL; | |
4134 | } | |
2ec600d6 | 4135 | |
f8bacc21 | 4136 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4137 | params.plink_state = |
f8bacc21 JB |
4138 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4139 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4140 | return -EINVAL; | |
4141 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4142 | } | |
9c3990aa | 4143 | |
3b1c5a53 MP |
4144 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4145 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4146 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4147 | ||
4148 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4149 | pm > NL80211_MESH_POWER_MAX) | |
4150 | return -EINVAL; | |
4151 | ||
4152 | params.local_pm = pm; | |
4153 | } | |
4154 | ||
77ee7c89 JB |
4155 | /* Include parameters for TDLS peer (will check later) */ |
4156 | err = nl80211_set_station_tdls(info, ¶ms); | |
4157 | if (err) | |
4158 | return err; | |
4159 | ||
4160 | params.vlan = get_vlan(info, rdev); | |
4161 | if (IS_ERR(params.vlan)) | |
4162 | return PTR_ERR(params.vlan); | |
4163 | ||
a97f4424 JB |
4164 | switch (dev->ieee80211_ptr->iftype) { |
4165 | case NL80211_IFTYPE_AP: | |
4166 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4167 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4168 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4169 | case NL80211_IFTYPE_STATION: |
267335d6 | 4170 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4171 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4172 | break; |
4173 | default: | |
77ee7c89 JB |
4174 | err = -EOPNOTSUPP; |
4175 | goto out_put_vlan; | |
034d655e JB |
4176 | } |
4177 | ||
77ee7c89 | 4178 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4179 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4180 | |
77ee7c89 | 4181 | out_put_vlan: |
5727ef1b JB |
4182 | if (params.vlan) |
4183 | dev_put(params.vlan); | |
3b85875a | 4184 | |
5727ef1b JB |
4185 | return err; |
4186 | } | |
4187 | ||
4188 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4189 | { | |
4c476991 | 4190 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4191 | int err; |
4c476991 | 4192 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4193 | struct station_parameters params; |
4194 | u8 *mac_addr = NULL; | |
4195 | ||
4196 | memset(¶ms, 0, sizeof(params)); | |
4197 | ||
984c311b JB |
4198 | if (!rdev->ops->add_station) |
4199 | return -EOPNOTSUPP; | |
4200 | ||
5727ef1b JB |
4201 | if (!info->attrs[NL80211_ATTR_MAC]) |
4202 | return -EINVAL; | |
4203 | ||
5727ef1b JB |
4204 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4205 | return -EINVAL; | |
4206 | ||
4207 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4208 | return -EINVAL; | |
4209 | ||
5e4b6f56 JM |
4210 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4211 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4212 | return -EINVAL; |
4213 | ||
5727ef1b JB |
4214 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4215 | params.supported_rates = | |
4216 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4217 | params.supported_rates_len = | |
4218 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4219 | params.listen_interval = | |
4220 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4221 | |
3d124ea2 | 4222 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4223 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4224 | else |
4225 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4226 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4227 | return -EINVAL; | |
51b50fbe | 4228 | |
9d62a986 JM |
4229 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4230 | params.capability = | |
4231 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4232 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4233 | } | |
4234 | ||
4235 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4236 | params.ext_capab = | |
4237 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4238 | params.ext_capab_len = | |
4239 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4240 | } | |
4241 | ||
36aedc90 JM |
4242 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4243 | params.ht_capa = | |
4244 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4245 | |
f461be3e MP |
4246 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4247 | params.vht_capa = | |
4248 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4249 | ||
60f4a7b1 MK |
4250 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4251 | params.opmode_notif_used = true; | |
4252 | params.opmode_notif = | |
4253 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4254 | } | |
4255 | ||
f8bacc21 | 4256 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4257 | params.plink_action = |
f8bacc21 JB |
4258 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4259 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4260 | return -EINVAL; | |
4261 | } | |
96b78dff | 4262 | |
c01fc9ad SD |
4263 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4264 | if (err) | |
4265 | return err; | |
4266 | ||
ff276691 JB |
4267 | err = nl80211_parse_sta_wme(info, ¶ms); |
4268 | if (err) | |
4269 | return err; | |
bdd90d5e | 4270 | |
bdd3ae3d | 4271 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4272 | return -EINVAL; |
4273 | ||
77ee7c89 JB |
4274 | /* When you run into this, adjust the code below for the new flag */ |
4275 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4276 | ||
bdd90d5e JB |
4277 | switch (dev->ieee80211_ptr->iftype) { |
4278 | case NL80211_IFTYPE_AP: | |
4279 | case NL80211_IFTYPE_AP_VLAN: | |
4280 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4281 | /* ignore WME attributes if iface/sta is not capable */ |
4282 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4283 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4284 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4285 | |
bdd90d5e | 4286 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4287 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4288 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4289 | return -EINVAL; |
bdd90d5e JB |
4290 | /* but don't bother the driver with it */ |
4291 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4292 | |
d582cffb JB |
4293 | /* allow authenticated/associated only if driver handles it */ |
4294 | if (!(rdev->wiphy.features & | |
4295 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4296 | params.sta_flags_mask & | |
4297 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4298 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4299 | return -EINVAL; | |
4300 | ||
bdd90d5e JB |
4301 | /* must be last in here for error handling */ |
4302 | params.vlan = get_vlan(info, rdev); | |
4303 | if (IS_ERR(params.vlan)) | |
4304 | return PTR_ERR(params.vlan); | |
4305 | break; | |
4306 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4307 | /* ignore uAPSD data */ |
4308 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4309 | ||
d582cffb JB |
4310 | /* associated is disallowed */ |
4311 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4312 | return -EINVAL; | |
bdd90d5e | 4313 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4314 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4315 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4316 | return -EINVAL; |
4317 | break; | |
4318 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4319 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4320 | /* ignore uAPSD data */ |
4321 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4322 | ||
77ee7c89 JB |
4323 | /* these are disallowed */ |
4324 | if (params.sta_flags_mask & | |
4325 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4326 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4327 | return -EINVAL; |
bdd90d5e JB |
4328 | /* Only TDLS peers can be added */ |
4329 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4330 | return -EINVAL; | |
4331 | /* Can only add if TDLS ... */ | |
4332 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4333 | return -EOPNOTSUPP; | |
4334 | /* ... with external setup is supported */ | |
4335 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4336 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4337 | /* |
4338 | * Older wpa_supplicant versions always mark the TDLS peer | |
4339 | * as authorized, but it shouldn't yet be. | |
4340 | */ | |
4341 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4342 | break; |
4343 | default: | |
4344 | return -EOPNOTSUPP; | |
c75786c9 EP |
4345 | } |
4346 | ||
bdd90d5e | 4347 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4348 | |
e35e4d28 | 4349 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4350 | |
5727ef1b JB |
4351 | if (params.vlan) |
4352 | dev_put(params.vlan); | |
5727ef1b JB |
4353 | return err; |
4354 | } | |
4355 | ||
4356 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4357 | { | |
4c476991 JB |
4358 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4359 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
4360 | u8 *mac_addr = NULL; |
4361 | ||
4362 | if (info->attrs[NL80211_ATTR_MAC]) | |
4363 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4364 | ||
e80cf853 | 4365 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4366 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4367 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4368 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4369 | return -EINVAL; | |
5727ef1b | 4370 | |
4c476991 JB |
4371 | if (!rdev->ops->del_station) |
4372 | return -EOPNOTSUPP; | |
3b85875a | 4373 | |
e35e4d28 | 4374 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
4375 | } |
4376 | ||
15e47304 | 4377 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4378 | int flags, struct net_device *dev, |
4379 | u8 *dst, u8 *next_hop, | |
4380 | struct mpath_info *pinfo) | |
4381 | { | |
4382 | void *hdr; | |
4383 | struct nlattr *pinfoattr; | |
4384 | ||
15e47304 | 4385 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
4386 | if (!hdr) |
4387 | return -1; | |
4388 | ||
9360ffd1 DM |
4389 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4390 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4391 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4392 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4393 | goto nla_put_failure; | |
f5ea9120 | 4394 | |
2ec600d6 LCC |
4395 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4396 | if (!pinfoattr) | |
4397 | goto nla_put_failure; | |
9360ffd1 DM |
4398 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4399 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4400 | pinfo->frame_qlen)) | |
4401 | goto nla_put_failure; | |
4402 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4403 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4404 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4405 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4406 | pinfo->metric)) || | |
4407 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4408 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4409 | pinfo->exptime)) || | |
4410 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4411 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4412 | pinfo->flags)) || | |
4413 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4414 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4415 | pinfo->discovery_timeout)) || | |
4416 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4417 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4418 | pinfo->discovery_retries))) | |
4419 | goto nla_put_failure; | |
2ec600d6 LCC |
4420 | |
4421 | nla_nest_end(msg, pinfoattr); | |
4422 | ||
4423 | return genlmsg_end(msg, hdr); | |
4424 | ||
4425 | nla_put_failure: | |
bc3ed28c TG |
4426 | genlmsg_cancel(msg, hdr); |
4427 | return -EMSGSIZE; | |
2ec600d6 LCC |
4428 | } |
4429 | ||
4430 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4431 | struct netlink_callback *cb) |
2ec600d6 | 4432 | { |
2ec600d6 | 4433 | struct mpath_info pinfo; |
1b8ec87a | 4434 | struct cfg80211_registered_device *rdev; |
97990a06 | 4435 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4436 | u8 dst[ETH_ALEN]; |
4437 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4438 | int path_idx = cb->args[2]; |
2ec600d6 | 4439 | int err; |
2ec600d6 | 4440 | |
1b8ec87a | 4441 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4442 | if (err) |
4443 | return err; | |
bba95fef | 4444 | |
1b8ec87a | 4445 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 4446 | err = -EOPNOTSUPP; |
bba95fef JB |
4447 | goto out_err; |
4448 | } | |
4449 | ||
97990a06 | 4450 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4451 | err = -EOPNOTSUPP; |
0448b5fc | 4452 | goto out_err; |
eec60b03 JM |
4453 | } |
4454 | ||
bba95fef | 4455 | while (1) { |
1b8ec87a | 4456 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 4457 | next_hop, &pinfo); |
bba95fef | 4458 | if (err == -ENOENT) |
2ec600d6 | 4459 | break; |
bba95fef | 4460 | if (err) |
3b85875a | 4461 | goto out_err; |
2ec600d6 | 4462 | |
15e47304 | 4463 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4464 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4465 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4466 | &pinfo) < 0) |
4467 | goto out; | |
2ec600d6 | 4468 | |
bba95fef | 4469 | path_idx++; |
2ec600d6 | 4470 | } |
2ec600d6 | 4471 | |
2ec600d6 | 4472 | |
bba95fef | 4473 | out: |
97990a06 | 4474 | cb->args[2] = path_idx; |
bba95fef | 4475 | err = skb->len; |
bba95fef | 4476 | out_err: |
1b8ec87a | 4477 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 4478 | return err; |
2ec600d6 LCC |
4479 | } |
4480 | ||
4481 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4482 | { | |
4c476991 | 4483 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4484 | int err; |
4c476991 | 4485 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4486 | struct mpath_info pinfo; |
4487 | struct sk_buff *msg; | |
4488 | u8 *dst = NULL; | |
4489 | u8 next_hop[ETH_ALEN]; | |
4490 | ||
4491 | memset(&pinfo, 0, sizeof(pinfo)); | |
4492 | ||
4493 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4494 | return -EINVAL; | |
4495 | ||
4496 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4497 | ||
4c476991 JB |
4498 | if (!rdev->ops->get_mpath) |
4499 | return -EOPNOTSUPP; | |
2ec600d6 | 4500 | |
4c476991 JB |
4501 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4502 | return -EOPNOTSUPP; | |
eec60b03 | 4503 | |
e35e4d28 | 4504 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4505 | if (err) |
4c476991 | 4506 | return err; |
2ec600d6 | 4507 | |
fd2120ca | 4508 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4509 | if (!msg) |
4c476991 | 4510 | return -ENOMEM; |
2ec600d6 | 4511 | |
15e47304 | 4512 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4513 | dev, dst, next_hop, &pinfo) < 0) { |
4514 | nlmsg_free(msg); | |
4515 | return -ENOBUFS; | |
4516 | } | |
3b85875a | 4517 | |
4c476991 | 4518 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4519 | } |
4520 | ||
4521 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4522 | { | |
4c476991 JB |
4523 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4524 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4525 | u8 *dst = NULL; |
4526 | u8 *next_hop = NULL; | |
4527 | ||
4528 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4529 | return -EINVAL; | |
4530 | ||
4531 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4532 | return -EINVAL; | |
4533 | ||
4534 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4535 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4536 | ||
4c476991 JB |
4537 | if (!rdev->ops->change_mpath) |
4538 | return -EOPNOTSUPP; | |
35a8efe1 | 4539 | |
4c476991 JB |
4540 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4541 | return -EOPNOTSUPP; | |
2ec600d6 | 4542 | |
e35e4d28 | 4543 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4544 | } |
4c476991 | 4545 | |
2ec600d6 LCC |
4546 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4547 | { | |
4c476991 JB |
4548 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4549 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4550 | u8 *dst = NULL; |
4551 | u8 *next_hop = NULL; | |
4552 | ||
4553 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4554 | return -EINVAL; | |
4555 | ||
4556 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4557 | return -EINVAL; | |
4558 | ||
4559 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4560 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4561 | ||
4c476991 JB |
4562 | if (!rdev->ops->add_mpath) |
4563 | return -EOPNOTSUPP; | |
35a8efe1 | 4564 | |
4c476991 JB |
4565 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4566 | return -EOPNOTSUPP; | |
2ec600d6 | 4567 | |
e35e4d28 | 4568 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4569 | } |
4570 | ||
4571 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4572 | { | |
4c476991 JB |
4573 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4574 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4575 | u8 *dst = NULL; |
4576 | ||
4577 | if (info->attrs[NL80211_ATTR_MAC]) | |
4578 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4579 | ||
4c476991 JB |
4580 | if (!rdev->ops->del_mpath) |
4581 | return -EOPNOTSUPP; | |
3b85875a | 4582 | |
e35e4d28 | 4583 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4584 | } |
4585 | ||
9f1ba906 JM |
4586 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4587 | { | |
4c476991 JB |
4588 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4589 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 4590 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 4591 | struct bss_parameters params; |
c56589ed | 4592 | int err; |
9f1ba906 JM |
4593 | |
4594 | memset(¶ms, 0, sizeof(params)); | |
4595 | /* default to not changing parameters */ | |
4596 | params.use_cts_prot = -1; | |
4597 | params.use_short_preamble = -1; | |
4598 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4599 | params.ap_isolate = -1; |
50b12f59 | 4600 | params.ht_opmode = -1; |
53cabad7 JB |
4601 | params.p2p_ctwindow = -1; |
4602 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4603 | |
4604 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4605 | params.use_cts_prot = | |
4606 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4607 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4608 | params.use_short_preamble = | |
4609 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4610 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4611 | params.use_short_slot_time = | |
4612 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4613 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4614 | params.basic_rates = | |
4615 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4616 | params.basic_rates_len = | |
4617 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4618 | } | |
fd8aaaf3 FF |
4619 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4620 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4621 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4622 | params.ht_opmode = | |
4623 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4624 | |
53cabad7 JB |
4625 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4626 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4627 | return -EINVAL; | |
4628 | params.p2p_ctwindow = | |
4629 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4630 | if (params.p2p_ctwindow < 0) | |
4631 | return -EINVAL; | |
4632 | if (params.p2p_ctwindow != 0 && | |
4633 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4634 | return -EINVAL; | |
4635 | } | |
4636 | ||
4637 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4638 | u8 tmp; | |
4639 | ||
4640 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4641 | return -EINVAL; | |
4642 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4643 | if (tmp > 1) | |
4644 | return -EINVAL; | |
4645 | params.p2p_opp_ps = tmp; | |
4646 | if (params.p2p_opp_ps && | |
4647 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4648 | return -EINVAL; | |
4649 | } | |
4650 | ||
4c476991 JB |
4651 | if (!rdev->ops->change_bss) |
4652 | return -EOPNOTSUPP; | |
9f1ba906 | 4653 | |
074ac8df | 4654 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4655 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4656 | return -EOPNOTSUPP; | |
3b85875a | 4657 | |
c56589ed SW |
4658 | wdev_lock(wdev); |
4659 | err = rdev_change_bss(rdev, dev, ¶ms); | |
4660 | wdev_unlock(wdev); | |
4661 | ||
4662 | return err; | |
9f1ba906 JM |
4663 | } |
4664 | ||
b54452b0 | 4665 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4666 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4667 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4668 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4669 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4670 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4671 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
089027e5 | 4672 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, |
b2e1b302 LR |
4673 | }; |
4674 | ||
4675 | static int parse_reg_rule(struct nlattr *tb[], | |
4676 | struct ieee80211_reg_rule *reg_rule) | |
4677 | { | |
4678 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4679 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4680 | ||
4681 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4682 | return -EINVAL; | |
4683 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4684 | return -EINVAL; | |
4685 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4686 | return -EINVAL; | |
b0dfd2ea JD |
4687 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) |
4688 | return -EINVAL; | |
b2e1b302 LR |
4689 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) |
4690 | return -EINVAL; | |
4691 | ||
4692 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4693 | ||
4694 | freq_range->start_freq_khz = | |
4695 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4696 | freq_range->end_freq_khz = | |
4697 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
b0dfd2ea JD |
4698 | freq_range->max_bandwidth_khz = |
4699 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
b2e1b302 LR |
4700 | |
4701 | power_rule->max_eirp = | |
4702 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4703 | ||
4704 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4705 | power_rule->max_antenna_gain = | |
4706 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4707 | ||
089027e5 JD |
4708 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) |
4709 | reg_rule->dfs_cac_ms = | |
4710 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
4711 | ||
b2e1b302 LR |
4712 | return 0; |
4713 | } | |
4714 | ||
4715 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4716 | { | |
b2e1b302 | 4717 | char *data = NULL; |
57b5ce07 | 4718 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4719 | |
80778f18 LR |
4720 | /* |
4721 | * You should only get this when cfg80211 hasn't yet initialized | |
4722 | * completely when built-in to the kernel right between the time | |
4723 | * window between nl80211_init() and regulatory_init(), if that is | |
4724 | * even possible. | |
4725 | */ | |
458f4f9e | 4726 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4727 | return -EINPROGRESS; |
80778f18 | 4728 | |
57b5ce07 LR |
4729 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4730 | user_reg_hint_type = | |
4731 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4732 | else | |
4733 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4734 | ||
4735 | switch (user_reg_hint_type) { | |
4736 | case NL80211_USER_REG_HINT_USER: | |
4737 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
4738 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4739 | return -EINVAL; | |
4740 | ||
4741 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4742 | return regulatory_hint_user(data, user_reg_hint_type); | |
4743 | case NL80211_USER_REG_HINT_INDOOR: | |
4744 | return regulatory_hint_indoor_user(); | |
57b5ce07 LR |
4745 | default: |
4746 | return -EINVAL; | |
4747 | } | |
b2e1b302 LR |
4748 | } |
4749 | ||
24bdd9f4 | 4750 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4751 | struct genl_info *info) |
93da9cc1 | 4752 | { |
4c476991 | 4753 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4754 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4755 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4756 | struct mesh_config cur_params; | |
4757 | int err = 0; | |
93da9cc1 | 4758 | void *hdr; |
4759 | struct nlattr *pinfoattr; | |
4760 | struct sk_buff *msg; | |
4761 | ||
29cbe68c JB |
4762 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4763 | return -EOPNOTSUPP; | |
4764 | ||
24bdd9f4 | 4765 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4766 | return -EOPNOTSUPP; |
f3f92586 | 4767 | |
29cbe68c JB |
4768 | wdev_lock(wdev); |
4769 | /* If not connected, get default parameters */ | |
4770 | if (!wdev->mesh_id_len) | |
4771 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4772 | else | |
e35e4d28 | 4773 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4774 | wdev_unlock(wdev); |
4775 | ||
93da9cc1 | 4776 | if (err) |
4c476991 | 4777 | return err; |
93da9cc1 | 4778 | |
4779 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4780 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4781 | if (!msg) |
4782 | return -ENOMEM; | |
15e47304 | 4783 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4784 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4785 | if (!hdr) |
efe1cf0c | 4786 | goto out; |
24bdd9f4 | 4787 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4788 | if (!pinfoattr) |
4789 | goto nla_put_failure; | |
9360ffd1 DM |
4790 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4791 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4792 | cur_params.dot11MeshRetryTimeout) || | |
4793 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4794 | cur_params.dot11MeshConfirmTimeout) || | |
4795 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4796 | cur_params.dot11MeshHoldingTimeout) || | |
4797 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4798 | cur_params.dot11MeshMaxPeerLinks) || | |
4799 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4800 | cur_params.dot11MeshMaxRetries) || | |
4801 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4802 | cur_params.dot11MeshTTL) || | |
4803 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4804 | cur_params.element_ttl) || | |
4805 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4806 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4807 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4808 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4809 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4810 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4811 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4812 | cur_params.path_refresh_time) || | |
4813 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4814 | cur_params.min_discovery_timeout) || | |
4815 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4816 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4817 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4818 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4819 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4820 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4821 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4822 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4823 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4824 | cur_params.dot11MeshHWMPRootMode) || | |
4825 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4826 | cur_params.dot11MeshHWMPRannInterval) || | |
4827 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4828 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4829 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4830 | cur_params.dot11MeshForwarding) || | |
4831 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4832 | cur_params.rssi_threshold) || |
4833 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4834 | cur_params.ht_opmode) || |
4835 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4836 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4837 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4838 | cur_params.dot11MeshHWMProotInterval) || |
4839 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4840 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4841 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4842 | cur_params.power_mode) || | |
4843 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
4844 | cur_params.dot11MeshAwakeWindowDuration) || |
4845 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4846 | cur_params.plink_timeout)) | |
9360ffd1 | 4847 | goto nla_put_failure; |
93da9cc1 | 4848 | nla_nest_end(msg, pinfoattr); |
4849 | genlmsg_end(msg, hdr); | |
4c476991 | 4850 | return genlmsg_reply(msg, info); |
93da9cc1 | 4851 | |
3b85875a | 4852 | nla_put_failure: |
93da9cc1 | 4853 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4854 | out: |
d080e275 | 4855 | nlmsg_free(msg); |
4c476991 | 4856 | return -ENOBUFS; |
93da9cc1 | 4857 | } |
4858 | ||
b54452b0 | 4859 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4860 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4861 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4862 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4863 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4864 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4865 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4866 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4867 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4868 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4869 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4870 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4871 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4872 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4873 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4874 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4875 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4876 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4877 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4878 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4879 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4880 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4881 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4882 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4883 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4884 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4885 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4886 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 4887 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 4888 | }; |
4889 | ||
c80d545d JC |
4890 | static const struct nla_policy |
4891 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4892 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4893 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4894 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4895 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 4896 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 4897 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 4898 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4899 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4900 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4901 | }; |
4902 | ||
24bdd9f4 | 4903 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4904 | struct mesh_config *cfg, |
4905 | u32 *mask_out) | |
93da9cc1 | 4906 | { |
93da9cc1 | 4907 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4908 | u32 mask = 0; |
93da9cc1 | 4909 | |
ea54fba2 MP |
4910 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4911 | do { \ | |
4912 | if (tb[attr]) { \ | |
4913 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4914 | return -EINVAL; \ | |
4915 | cfg->param = fn(tb[attr]); \ | |
4916 | mask |= (1 << (attr - 1)); \ | |
4917 | } \ | |
4918 | } while (0) | |
bd90fdcc JB |
4919 | |
4920 | ||
24bdd9f4 | 4921 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4922 | return -EINVAL; |
4923 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4924 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4925 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4926 | return -EINVAL; |
4927 | ||
93da9cc1 | 4928 | /* This makes sure that there aren't more than 32 mesh config |
4929 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4930 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4931 | ||
4932 | /* Fill in the params struct */ | |
ea54fba2 | 4933 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4934 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4935 | nla_get_u16); | |
ea54fba2 | 4936 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4937 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4938 | nla_get_u16); | |
ea54fba2 | 4939 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4940 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4941 | nla_get_u16); | |
ea54fba2 | 4942 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4943 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4944 | nla_get_u16); | |
ea54fba2 | 4945 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4946 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4947 | nla_get_u8); | |
ea54fba2 | 4948 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4949 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4950 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4951 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4952 | nla_get_u8); | |
ea54fba2 | 4953 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4954 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4955 | nla_get_u8); | |
ea54fba2 MP |
4956 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4957 | 1, 255, mask, | |
a4f606ea CYY |
4958 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4959 | nla_get_u32); | |
ea54fba2 | 4960 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4961 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4962 | nla_get_u8); | |
ea54fba2 | 4963 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4964 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4965 | nla_get_u32); | |
ea54fba2 | 4966 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4967 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4968 | nla_get_u16); | |
ea54fba2 MP |
4969 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4970 | 1, 65535, mask, | |
a4f606ea CYY |
4971 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4972 | nla_get_u32); | |
93da9cc1 | 4973 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4974 | 1, 65535, mask, |
4975 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4976 | nla_get_u16); |
dca7e943 | 4977 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4978 | 1, 65535, mask, |
4979 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4980 | nla_get_u16); |
93da9cc1 | 4981 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4982 | dot11MeshHWMPnetDiameterTraversalTime, |
4983 | 1, 65535, mask, | |
a4f606ea CYY |
4984 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
4985 | nla_get_u16); | |
ea54fba2 MP |
4986 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
4987 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4988 | nla_get_u8); | |
4989 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
4990 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 4991 | nla_get_u16); |
63c5723b | 4992 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4993 | dot11MeshGateAnnouncementProtocol, 0, 1, |
4994 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 4995 | nla_get_u8); |
ea54fba2 | 4996 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
4997 | mask, NL80211_MESHCONF_FORWARDING, |
4998 | nla_get_u8); | |
83374fe9 | 4999 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5000 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 5001 | nla_get_s32); |
ea54fba2 | 5002 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 5003 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
5004 | nla_get_u16); |
5005 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 5006 | 1, 65535, mask, |
ac1073a6 CYY |
5007 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
5008 | nla_get_u32); | |
ea54fba2 | 5009 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5010 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
5011 | nla_get_u16); |
5012 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
5013 | dot11MeshHWMPconfirmationInterval, |
5014 | 1, 65535, mask, | |
728b19e5 | 5015 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 5016 | nla_get_u16); |
3b1c5a53 MP |
5017 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5018 | NL80211_MESH_POWER_ACTIVE, | |
5019 | NL80211_MESH_POWER_MAX, | |
5020 | mask, NL80211_MESHCONF_POWER_MODE, | |
5021 | nla_get_u32); | |
5022 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
5023 | 0, 65535, mask, | |
5024 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
5025 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
5026 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5027 | nla_get_u32); | |
bd90fdcc JB |
5028 | if (mask_out) |
5029 | *mask_out = mask; | |
c80d545d | 5030 | |
bd90fdcc JB |
5031 | return 0; |
5032 | ||
5033 | #undef FILL_IN_MESH_PARAM_IF_SET | |
5034 | } | |
5035 | ||
c80d545d JC |
5036 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
5037 | struct mesh_setup *setup) | |
5038 | { | |
bb2798d4 | 5039 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
5040 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
5041 | ||
5042 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
5043 | return -EINVAL; | |
5044 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
5045 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
5046 | nl80211_mesh_setup_params_policy)) | |
5047 | return -EINVAL; | |
5048 | ||
d299a1f2 JC |
5049 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
5050 | setup->sync_method = | |
5051 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
5052 | IEEE80211_SYNC_METHOD_VENDOR : | |
5053 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5054 | ||
c80d545d JC |
5055 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5056 | setup->path_sel_proto = | |
5057 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5058 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5059 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5060 | ||
5061 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5062 | setup->path_metric = | |
5063 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5064 | IEEE80211_PATH_METRIC_VENDOR : | |
5065 | IEEE80211_PATH_METRIC_AIRTIME; | |
5066 | ||
581a8b0f JC |
5067 | |
5068 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 5069 | struct nlattr *ieattr = |
581a8b0f | 5070 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5071 | if (!is_valid_ie_attr(ieattr)) |
5072 | return -EINVAL; | |
581a8b0f JC |
5073 | setup->ie = nla_data(ieattr); |
5074 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5075 | } |
bb2798d4 TP |
5076 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5077 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5078 | return -EINVAL; | |
5079 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5080 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5081 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5082 | if (setup->is_secure) |
5083 | setup->user_mpm = true; | |
c80d545d | 5084 | |
6e16d90b CT |
5085 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5086 | if (!setup->user_mpm) | |
5087 | return -EINVAL; | |
5088 | setup->auth_id = | |
5089 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5090 | } | |
5091 | ||
c80d545d JC |
5092 | return 0; |
5093 | } | |
5094 | ||
24bdd9f4 | 5095 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5096 | struct genl_info *info) |
bd90fdcc JB |
5097 | { |
5098 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5099 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5100 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5101 | struct mesh_config cfg; |
5102 | u32 mask; | |
5103 | int err; | |
5104 | ||
29cbe68c JB |
5105 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5106 | return -EOPNOTSUPP; | |
5107 | ||
24bdd9f4 | 5108 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5109 | return -EOPNOTSUPP; |
5110 | ||
24bdd9f4 | 5111 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5112 | if (err) |
5113 | return err; | |
5114 | ||
29cbe68c JB |
5115 | wdev_lock(wdev); |
5116 | if (!wdev->mesh_id_len) | |
5117 | err = -ENOLINK; | |
5118 | ||
5119 | if (!err) | |
e35e4d28 | 5120 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5121 | |
5122 | wdev_unlock(wdev); | |
5123 | ||
5124 | return err; | |
93da9cc1 | 5125 | } |
5126 | ||
f130347c LR |
5127 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
5128 | { | |
458f4f9e | 5129 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
5130 | struct sk_buff *msg; |
5131 | void *hdr = NULL; | |
5132 | struct nlattr *nl_reg_rules; | |
5133 | unsigned int i; | |
f130347c LR |
5134 | |
5135 | if (!cfg80211_regdomain) | |
5fe231e8 | 5136 | return -EINVAL; |
f130347c | 5137 | |
fd2120ca | 5138 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
5fe231e8 JB |
5139 | if (!msg) |
5140 | return -ENOBUFS; | |
f130347c | 5141 | |
15e47304 | 5142 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
5143 | NL80211_CMD_GET_REG); |
5144 | if (!hdr) | |
efe1cf0c | 5145 | goto put_failure; |
f130347c | 5146 | |
57b5ce07 LR |
5147 | if (reg_last_request_cell_base() && |
5148 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5149 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5150 | goto nla_put_failure; | |
5151 | ||
458f4f9e JB |
5152 | rcu_read_lock(); |
5153 | regdom = rcu_dereference(cfg80211_regdomain); | |
5154 | ||
5155 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
5156 | (regdom->dfs_region && | |
5157 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
5158 | goto nla_put_failure_rcu; | |
5159 | ||
f130347c LR |
5160 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5161 | if (!nl_reg_rules) | |
458f4f9e | 5162 | goto nla_put_failure_rcu; |
f130347c | 5163 | |
458f4f9e | 5164 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5165 | struct nlattr *nl_reg_rule; |
5166 | const struct ieee80211_reg_rule *reg_rule; | |
5167 | const struct ieee80211_freq_range *freq_range; | |
5168 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 5169 | unsigned int max_bandwidth_khz; |
f130347c | 5170 | |
458f4f9e | 5171 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5172 | freq_range = ®_rule->freq_range; |
5173 | power_rule = ®_rule->power_rule; | |
5174 | ||
5175 | nl_reg_rule = nla_nest_start(msg, i); | |
5176 | if (!nl_reg_rule) | |
458f4f9e | 5177 | goto nla_put_failure_rcu; |
f130347c | 5178 | |
97524820 JD |
5179 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
5180 | if (!max_bandwidth_khz) | |
5181 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
5182 | reg_rule); | |
5183 | ||
9360ffd1 DM |
5184 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5185 | reg_rule->flags) || | |
5186 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5187 | freq_range->start_freq_khz) || | |
5188 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5189 | freq_range->end_freq_khz) || | |
5190 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 5191 | max_bandwidth_khz) || |
9360ffd1 DM |
5192 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
5193 | power_rule->max_antenna_gain) || | |
5194 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
5195 | power_rule->max_eirp) || |
5196 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
5197 | reg_rule->dfs_cac_ms)) | |
458f4f9e | 5198 | goto nla_put_failure_rcu; |
f130347c LR |
5199 | |
5200 | nla_nest_end(msg, nl_reg_rule); | |
5201 | } | |
458f4f9e | 5202 | rcu_read_unlock(); |
f130347c LR |
5203 | |
5204 | nla_nest_end(msg, nl_reg_rules); | |
5205 | ||
5206 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5207 | return genlmsg_reply(msg, info); |
f130347c | 5208 | |
458f4f9e JB |
5209 | nla_put_failure_rcu: |
5210 | rcu_read_unlock(); | |
f130347c LR |
5211 | nla_put_failure: |
5212 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5213 | put_failure: |
d080e275 | 5214 | nlmsg_free(msg); |
5fe231e8 | 5215 | return -EMSGSIZE; |
f130347c LR |
5216 | } |
5217 | ||
b2e1b302 LR |
5218 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5219 | { | |
5220 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5221 | struct nlattr *nl_reg_rule; | |
5222 | char *alpha2 = NULL; | |
5223 | int rem_reg_rules = 0, r = 0; | |
5224 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
4c7d3982 | 5225 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
b2e1b302 LR |
5226 | struct ieee80211_regdomain *rd = NULL; |
5227 | ||
5228 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5229 | return -EINVAL; | |
5230 | ||
5231 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5232 | return -EINVAL; | |
5233 | ||
5234 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5235 | ||
8b60b078 LR |
5236 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5237 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5238 | ||
b2e1b302 | 5239 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5240 | rem_reg_rules) { |
b2e1b302 LR |
5241 | num_rules++; |
5242 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5243 | return -EINVAL; |
b2e1b302 LR |
5244 | } |
5245 | ||
e438768f LR |
5246 | if (!reg_is_valid_request(alpha2)) |
5247 | return -EINVAL; | |
5248 | ||
b2e1b302 | 5249 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5250 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5251 | |
5252 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5253 | if (!rd) |
5254 | return -ENOMEM; | |
b2e1b302 LR |
5255 | |
5256 | rd->n_reg_rules = num_rules; | |
5257 | rd->alpha2[0] = alpha2[0]; | |
5258 | rd->alpha2[1] = alpha2[1]; | |
5259 | ||
8b60b078 LR |
5260 | /* |
5261 | * Disable DFS master mode if the DFS region was | |
5262 | * not supported or known on this kernel. | |
5263 | */ | |
5264 | if (reg_supported_dfs_region(dfs_region)) | |
5265 | rd->dfs_region = dfs_region; | |
5266 | ||
b2e1b302 | 5267 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5268 | rem_reg_rules) { |
ae811e21 JB |
5269 | r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
5270 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
5271 | reg_rule_policy); | |
5272 | if (r) | |
5273 | goto bad_reg; | |
b2e1b302 LR |
5274 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5275 | if (r) | |
5276 | goto bad_reg; | |
5277 | ||
5278 | rule_idx++; | |
5279 | ||
d0e18f83 LR |
5280 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5281 | r = -EINVAL; | |
b2e1b302 | 5282 | goto bad_reg; |
d0e18f83 | 5283 | } |
b2e1b302 LR |
5284 | } |
5285 | ||
b2e1b302 | 5286 | r = set_regdom(rd); |
6913b49a | 5287 | /* set_regdom took ownership */ |
1a919318 | 5288 | rd = NULL; |
b2e1b302 | 5289 | |
d2372b31 | 5290 | bad_reg: |
b2e1b302 | 5291 | kfree(rd); |
d0e18f83 | 5292 | return r; |
b2e1b302 LR |
5293 | } |
5294 | ||
83f5e2cf JB |
5295 | static int validate_scan_freqs(struct nlattr *freqs) |
5296 | { | |
5297 | struct nlattr *attr1, *attr2; | |
5298 | int n_channels = 0, tmp1, tmp2; | |
5299 | ||
5300 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5301 | n_channels++; | |
5302 | /* | |
5303 | * Some hardware has a limited channel list for | |
5304 | * scanning, and it is pretty much nonsensical | |
5305 | * to scan for a channel twice, so disallow that | |
5306 | * and don't require drivers to check that the | |
5307 | * channel list they get isn't longer than what | |
5308 | * they can scan, as long as they can scan all | |
5309 | * the channels they registered at once. | |
5310 | */ | |
5311 | nla_for_each_nested(attr2, freqs, tmp2) | |
5312 | if (attr1 != attr2 && | |
5313 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5314 | return 0; | |
5315 | } | |
5316 | ||
5317 | return n_channels; | |
5318 | } | |
5319 | ||
2a519311 JB |
5320 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5321 | { | |
4c476991 | 5322 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5323 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5324 | struct cfg80211_scan_request *request; |
2a519311 JB |
5325 | struct nlattr *attr; |
5326 | struct wiphy *wiphy; | |
83f5e2cf | 5327 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5328 | size_t ie_len; |
2a519311 | 5329 | |
f4a11bb0 JB |
5330 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5331 | return -EINVAL; | |
5332 | ||
79c97e97 | 5333 | wiphy = &rdev->wiphy; |
2a519311 | 5334 | |
4c476991 JB |
5335 | if (!rdev->ops->scan) |
5336 | return -EOPNOTSUPP; | |
2a519311 | 5337 | |
f9d15d16 | 5338 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
5339 | err = -EBUSY; |
5340 | goto unlock; | |
5341 | } | |
2a519311 JB |
5342 | |
5343 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5344 | n_channels = validate_scan_freqs( |
5345 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5346 | if (!n_channels) { |
5347 | err = -EINVAL; | |
5348 | goto unlock; | |
5349 | } | |
2a519311 | 5350 | } else { |
bdfbec2d | 5351 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
5352 | } |
5353 | ||
5354 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5355 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5356 | n_ssids++; | |
5357 | ||
f9f47529 JB |
5358 | if (n_ssids > wiphy->max_scan_ssids) { |
5359 | err = -EINVAL; | |
5360 | goto unlock; | |
5361 | } | |
2a519311 | 5362 | |
70692ad2 JM |
5363 | if (info->attrs[NL80211_ATTR_IE]) |
5364 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5365 | else | |
5366 | ie_len = 0; | |
5367 | ||
f9f47529 JB |
5368 | if (ie_len > wiphy->max_scan_ie_len) { |
5369 | err = -EINVAL; | |
5370 | goto unlock; | |
5371 | } | |
18a83659 | 5372 | |
2a519311 | 5373 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5374 | + sizeof(*request->ssids) * n_ssids |
5375 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5376 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5377 | if (!request) { |
5378 | err = -ENOMEM; | |
5379 | goto unlock; | |
5380 | } | |
2a519311 | 5381 | |
2a519311 | 5382 | if (n_ssids) |
5ba63533 | 5383 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5384 | request->n_ssids = n_ssids; |
70692ad2 JM |
5385 | if (ie_len) { |
5386 | if (request->ssids) | |
5387 | request->ie = (void *)(request->ssids + n_ssids); | |
5388 | else | |
5389 | request->ie = (void *)(request->channels + n_channels); | |
5390 | } | |
2a519311 | 5391 | |
584991dc | 5392 | i = 0; |
2a519311 JB |
5393 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5394 | /* user specified, bail out if channel not found */ | |
2a519311 | 5395 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5396 | struct ieee80211_channel *chan; |
5397 | ||
5398 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5399 | ||
5400 | if (!chan) { | |
2a519311 JB |
5401 | err = -EINVAL; |
5402 | goto out_free; | |
5403 | } | |
584991dc JB |
5404 | |
5405 | /* ignore disabled channels */ | |
5406 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5407 | continue; | |
5408 | ||
5409 | request->channels[i] = chan; | |
2a519311 JB |
5410 | i++; |
5411 | } | |
5412 | } else { | |
34850ab2 JB |
5413 | enum ieee80211_band band; |
5414 | ||
2a519311 | 5415 | /* all channels */ |
2a519311 JB |
5416 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5417 | int j; | |
5418 | if (!wiphy->bands[band]) | |
5419 | continue; | |
5420 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5421 | struct ieee80211_channel *chan; |
5422 | ||
5423 | chan = &wiphy->bands[band]->channels[j]; | |
5424 | ||
5425 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5426 | continue; | |
5427 | ||
5428 | request->channels[i] = chan; | |
2a519311 JB |
5429 | i++; |
5430 | } | |
5431 | } | |
5432 | } | |
5433 | ||
584991dc JB |
5434 | if (!i) { |
5435 | err = -EINVAL; | |
5436 | goto out_free; | |
5437 | } | |
5438 | ||
5439 | request->n_channels = i; | |
5440 | ||
2a519311 JB |
5441 | i = 0; |
5442 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5443 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5444 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5445 | err = -EINVAL; |
5446 | goto out_free; | |
5447 | } | |
57a27e1d | 5448 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5449 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5450 | i++; |
5451 | } | |
5452 | } | |
5453 | ||
70692ad2 JM |
5454 | if (info->attrs[NL80211_ATTR_IE]) { |
5455 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5456 | memcpy((void *)request->ie, |
5457 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5458 | request->ie_len); |
5459 | } | |
5460 | ||
34850ab2 | 5461 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5462 | if (wiphy->bands[i]) |
5463 | request->rates[i] = | |
5464 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5465 | |
5466 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5467 | nla_for_each_nested(attr, | |
5468 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5469 | tmp) { | |
5470 | enum ieee80211_band band = nla_type(attr); | |
5471 | ||
84404623 | 5472 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5473 | err = -EINVAL; |
5474 | goto out_free; | |
5475 | } | |
1b09cd82 FF |
5476 | |
5477 | if (!wiphy->bands[band]) | |
5478 | continue; | |
5479 | ||
34850ab2 JB |
5480 | err = ieee80211_get_ratemask(wiphy->bands[band], |
5481 | nla_data(attr), | |
5482 | nla_len(attr), | |
5483 | &request->rates[band]); | |
5484 | if (err) | |
5485 | goto out_free; | |
5486 | } | |
5487 | } | |
5488 | ||
46856bbf | 5489 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5490 | request->flags = nla_get_u32( |
5491 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5492 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5493 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5494 | err = -EOPNOTSUPP; |
5495 | goto out_free; | |
5496 | } | |
5497 | } | |
ed473771 | 5498 | |
e9f935e3 RM |
5499 | request->no_cck = |
5500 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5501 | ||
fd014284 | 5502 | request->wdev = wdev; |
79c97e97 | 5503 | request->wiphy = &rdev->wiphy; |
15d6030b | 5504 | request->scan_start = jiffies; |
2a519311 | 5505 | |
79c97e97 | 5506 | rdev->scan_req = request; |
e35e4d28 | 5507 | err = rdev_scan(rdev, request); |
2a519311 | 5508 | |
463d0183 | 5509 | if (!err) { |
fd014284 JB |
5510 | nl80211_send_scan_start(rdev, wdev); |
5511 | if (wdev->netdev) | |
5512 | dev_hold(wdev->netdev); | |
4c476991 | 5513 | } else { |
2a519311 | 5514 | out_free: |
79c97e97 | 5515 | rdev->scan_req = NULL; |
2a519311 JB |
5516 | kfree(request); |
5517 | } | |
3b85875a | 5518 | |
f9f47529 | 5519 | unlock: |
2a519311 JB |
5520 | return err; |
5521 | } | |
5522 | ||
807f8a8c LC |
5523 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5524 | struct genl_info *info) | |
5525 | { | |
5526 | struct cfg80211_sched_scan_request *request; | |
5527 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5528 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5529 | struct nlattr *attr; |
5530 | struct wiphy *wiphy; | |
a1f1c21c | 5531 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5532 | u32 interval; |
807f8a8c LC |
5533 | enum ieee80211_band band; |
5534 | size_t ie_len; | |
a1f1c21c | 5535 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 5536 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c LC |
5537 | |
5538 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5539 | !rdev->ops->sched_scan_start) | |
5540 | return -EOPNOTSUPP; | |
5541 | ||
5542 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5543 | return -EINVAL; | |
5544 | ||
bbe6ad6d LC |
5545 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5546 | return -EINVAL; | |
5547 | ||
5548 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5549 | if (interval == 0) | |
5550 | return -EINVAL; | |
5551 | ||
807f8a8c LC |
5552 | wiphy = &rdev->wiphy; |
5553 | ||
5554 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5555 | n_channels = validate_scan_freqs( | |
5556 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5557 | if (!n_channels) | |
5558 | return -EINVAL; | |
5559 | } else { | |
bdfbec2d | 5560 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
5561 | } |
5562 | ||
5563 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5564 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5565 | tmp) | |
5566 | n_ssids++; | |
5567 | ||
93b6aa69 | 5568 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5569 | return -EINVAL; |
5570 | ||
ea73cbce JB |
5571 | /* |
5572 | * First, count the number of 'real' matchsets. Due to an issue with | |
5573 | * the old implementation, matchsets containing only the RSSI attribute | |
5574 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
5575 | * RSSI for all matchsets, rather than their own matchset for reporting | |
5576 | * all APs with a strong RSSI. This is needed to be compatible with | |
5577 | * older userspace that treated a matchset with only the RSSI as the | |
5578 | * global RSSI for all other matchsets - if there are other matchsets. | |
5579 | */ | |
5580 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
a1f1c21c LC |
5581 | nla_for_each_nested(attr, |
5582 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
ea73cbce JB |
5583 | tmp) { |
5584 | struct nlattr *rssi; | |
5585 | ||
5586 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5587 | nla_data(attr), nla_len(attr), | |
5588 | nl80211_match_policy); | |
5589 | if (err) | |
5590 | return err; | |
5591 | /* add other standalone attributes here */ | |
5592 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
5593 | n_match_sets++; | |
5594 | continue; | |
5595 | } | |
5596 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
5597 | if (rssi) | |
5598 | default_match_rssi = nla_get_s32(rssi); | |
5599 | } | |
5600 | } | |
5601 | ||
5602 | /* However, if there's no other matchset, add the RSSI one */ | |
5603 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
5604 | n_match_sets = 1; | |
a1f1c21c LC |
5605 | |
5606 | if (n_match_sets > wiphy->max_match_sets) | |
5607 | return -EINVAL; | |
5608 | ||
807f8a8c LC |
5609 | if (info->attrs[NL80211_ATTR_IE]) |
5610 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5611 | else | |
5612 | ie_len = 0; | |
5613 | ||
5a865bad | 5614 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5615 | return -EINVAL; |
5616 | ||
c10841ca LC |
5617 | if (rdev->sched_scan_req) { |
5618 | err = -EINPROGRESS; | |
5619 | goto out; | |
5620 | } | |
5621 | ||
807f8a8c | 5622 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5623 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5624 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5625 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5626 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5627 | if (!request) { |
5628 | err = -ENOMEM; | |
5629 | goto out; | |
5630 | } | |
807f8a8c LC |
5631 | |
5632 | if (n_ssids) | |
5633 | request->ssids = (void *)&request->channels[n_channels]; | |
5634 | request->n_ssids = n_ssids; | |
5635 | if (ie_len) { | |
5636 | if (request->ssids) | |
5637 | request->ie = (void *)(request->ssids + n_ssids); | |
5638 | else | |
5639 | request->ie = (void *)(request->channels + n_channels); | |
5640 | } | |
5641 | ||
a1f1c21c LC |
5642 | if (n_match_sets) { |
5643 | if (request->ie) | |
5644 | request->match_sets = (void *)(request->ie + ie_len); | |
5645 | else if (request->ssids) | |
5646 | request->match_sets = | |
5647 | (void *)(request->ssids + n_ssids); | |
5648 | else | |
5649 | request->match_sets = | |
5650 | (void *)(request->channels + n_channels); | |
5651 | } | |
5652 | request->n_match_sets = n_match_sets; | |
5653 | ||
807f8a8c LC |
5654 | i = 0; |
5655 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5656 | /* user specified, bail out if channel not found */ | |
5657 | nla_for_each_nested(attr, | |
5658 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5659 | tmp) { | |
5660 | struct ieee80211_channel *chan; | |
5661 | ||
5662 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5663 | ||
5664 | if (!chan) { | |
5665 | err = -EINVAL; | |
5666 | goto out_free; | |
5667 | } | |
5668 | ||
5669 | /* ignore disabled channels */ | |
5670 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5671 | continue; | |
5672 | ||
5673 | request->channels[i] = chan; | |
5674 | i++; | |
5675 | } | |
5676 | } else { | |
5677 | /* all channels */ | |
5678 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5679 | int j; | |
5680 | if (!wiphy->bands[band]) | |
5681 | continue; | |
5682 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5683 | struct ieee80211_channel *chan; | |
5684 | ||
5685 | chan = &wiphy->bands[band]->channels[j]; | |
5686 | ||
5687 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5688 | continue; | |
5689 | ||
5690 | request->channels[i] = chan; | |
5691 | i++; | |
5692 | } | |
5693 | } | |
5694 | } | |
5695 | ||
5696 | if (!i) { | |
5697 | err = -EINVAL; | |
5698 | goto out_free; | |
5699 | } | |
5700 | ||
5701 | request->n_channels = i; | |
5702 | ||
5703 | i = 0; | |
5704 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5705 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5706 | tmp) { | |
57a27e1d | 5707 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5708 | err = -EINVAL; |
5709 | goto out_free; | |
5710 | } | |
57a27e1d | 5711 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5712 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5713 | nla_len(attr)); | |
807f8a8c LC |
5714 | i++; |
5715 | } | |
5716 | } | |
5717 | ||
a1f1c21c LC |
5718 | i = 0; |
5719 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5720 | nla_for_each_nested(attr, | |
5721 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5722 | tmp) { | |
88e920b4 | 5723 | struct nlattr *ssid, *rssi; |
a1f1c21c | 5724 | |
ae811e21 JB |
5725 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, |
5726 | nla_data(attr), nla_len(attr), | |
5727 | nl80211_match_policy); | |
5728 | if (err) | |
5729 | goto out_free; | |
4a4ab0d7 | 5730 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 5731 | if (ssid) { |
ea73cbce JB |
5732 | if (WARN_ON(i >= n_match_sets)) { |
5733 | /* this indicates a programming error, | |
5734 | * the loop above should have verified | |
5735 | * things properly | |
5736 | */ | |
5737 | err = -EINVAL; | |
5738 | goto out_free; | |
5739 | } | |
5740 | ||
a1f1c21c LC |
5741 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
5742 | err = -EINVAL; | |
5743 | goto out_free; | |
5744 | } | |
5745 | memcpy(request->match_sets[i].ssid.ssid, | |
5746 | nla_data(ssid), nla_len(ssid)); | |
5747 | request->match_sets[i].ssid.ssid_len = | |
5748 | nla_len(ssid); | |
ea73cbce JB |
5749 | /* special attribute - old implemenation w/a */ |
5750 | request->match_sets[i].rssi_thold = | |
5751 | default_match_rssi; | |
5752 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
5753 | if (rssi) | |
5754 | request->match_sets[i].rssi_thold = | |
5755 | nla_get_s32(rssi); | |
a1f1c21c LC |
5756 | } |
5757 | i++; | |
5758 | } | |
ea73cbce JB |
5759 | |
5760 | /* there was no other matchset, so the RSSI one is alone */ | |
5761 | if (i == 0) | |
5762 | request->match_sets[0].rssi_thold = default_match_rssi; | |
5763 | ||
5764 | request->min_rssi_thold = INT_MAX; | |
5765 | for (i = 0; i < n_match_sets; i++) | |
5766 | request->min_rssi_thold = | |
5767 | min(request->match_sets[i].rssi_thold, | |
5768 | request->min_rssi_thold); | |
5769 | } else { | |
5770 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5771 | } |
5772 | ||
9900e484 JB |
5773 | if (ie_len) { |
5774 | request->ie_len = ie_len; | |
807f8a8c LC |
5775 | memcpy((void *)request->ie, |
5776 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5777 | request->ie_len); | |
5778 | } | |
5779 | ||
46856bbf | 5780 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5781 | request->flags = nla_get_u32( |
5782 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5783 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5784 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5785 | err = -EOPNOTSUPP; |
5786 | goto out_free; | |
5787 | } | |
5788 | } | |
ed473771 | 5789 | |
807f8a8c LC |
5790 | request->dev = dev; |
5791 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5792 | request->interval = interval; |
15d6030b | 5793 | request->scan_start = jiffies; |
807f8a8c | 5794 | |
e35e4d28 | 5795 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5796 | if (!err) { |
5797 | rdev->sched_scan_req = request; | |
5798 | nl80211_send_sched_scan(rdev, dev, | |
5799 | NL80211_CMD_START_SCHED_SCAN); | |
5800 | goto out; | |
5801 | } | |
5802 | ||
5803 | out_free: | |
5804 | kfree(request); | |
5805 | out: | |
5806 | return err; | |
5807 | } | |
5808 | ||
5809 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5810 | struct genl_info *info) | |
5811 | { | |
5812 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5813 | ||
5814 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5815 | !rdev->ops->sched_scan_stop) | |
5816 | return -EOPNOTSUPP; | |
5817 | ||
5fe231e8 | 5818 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
5819 | } |
5820 | ||
04f39047 SW |
5821 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5822 | struct genl_info *info) | |
5823 | { | |
5824 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5825 | struct net_device *dev = info->user_ptr[1]; | |
5826 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5827 | struct cfg80211_chan_def chandef; | |
55f7435c | 5828 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 5829 | unsigned int cac_time_ms; |
04f39047 SW |
5830 | int err; |
5831 | ||
55f7435c LR |
5832 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
5833 | if (dfs_region == NL80211_DFS_UNSET) | |
5834 | return -EINVAL; | |
5835 | ||
04f39047 SW |
5836 | err = nl80211_parse_chandef(rdev, info, &chandef); |
5837 | if (err) | |
5838 | return err; | |
5839 | ||
ff311bc1 SW |
5840 | if (netif_carrier_ok(dev)) |
5841 | return -EBUSY; | |
5842 | ||
04f39047 SW |
5843 | if (wdev->cac_started) |
5844 | return -EBUSY; | |
5845 | ||
2beb6dab | 5846 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 5847 | wdev->iftype); |
04f39047 SW |
5848 | if (err < 0) |
5849 | return err; | |
5850 | ||
5851 | if (err == 0) | |
5852 | return -EINVAL; | |
5853 | ||
fe7c3a1f | 5854 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
5855 | return -EINVAL; |
5856 | ||
5857 | if (!rdev->ops->start_radar_detection) | |
5858 | return -EOPNOTSUPP; | |
5859 | ||
31559f35 JD |
5860 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
5861 | if (WARN_ON(!cac_time_ms)) | |
5862 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
5863 | ||
5864 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef, | |
5865 | cac_time_ms); | |
04f39047 | 5866 | if (!err) { |
9e0e2961 | 5867 | wdev->chandef = chandef; |
04f39047 SW |
5868 | wdev->cac_started = true; |
5869 | wdev->cac_start_time = jiffies; | |
31559f35 | 5870 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 5871 | } |
04f39047 SW |
5872 | return err; |
5873 | } | |
5874 | ||
16ef1fe2 SW |
5875 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
5876 | { | |
5877 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5878 | struct net_device *dev = info->user_ptr[1]; | |
5879 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5880 | struct cfg80211_csa_settings params; | |
5881 | /* csa_attrs is defined static to avoid waste of stack size - this | |
5882 | * function is called under RTNL lock, so this should not be a problem. | |
5883 | */ | |
5884 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
5885 | u8 radar_detect_width = 0; | |
5886 | int err; | |
ee4bc9e7 | 5887 | bool need_new_beacon = false; |
9a774c78 | 5888 | int len, i; |
16ef1fe2 SW |
5889 | |
5890 | if (!rdev->ops->channel_switch || | |
5891 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
5892 | return -EOPNOTSUPP; | |
5893 | ||
ee4bc9e7 SW |
5894 | switch (dev->ieee80211_ptr->iftype) { |
5895 | case NL80211_IFTYPE_AP: | |
5896 | case NL80211_IFTYPE_P2P_GO: | |
5897 | need_new_beacon = true; | |
5898 | ||
5899 | /* useless if AP is not running */ | |
5900 | if (!wdev->beacon_interval) | |
1ff79dfa | 5901 | return -ENOTCONN; |
ee4bc9e7 SW |
5902 | break; |
5903 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
5904 | if (!wdev->ssid_len) |
5905 | return -ENOTCONN; | |
5906 | break; | |
c6da674a | 5907 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
5908 | if (!wdev->mesh_id_len) |
5909 | return -ENOTCONN; | |
ee4bc9e7 SW |
5910 | break; |
5911 | default: | |
16ef1fe2 | 5912 | return -EOPNOTSUPP; |
ee4bc9e7 | 5913 | } |
16ef1fe2 SW |
5914 | |
5915 | memset(¶ms, 0, sizeof(params)); | |
5916 | ||
5917 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5918 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
5919 | return -EINVAL; | |
5920 | ||
5921 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 5922 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
5923 | return -EINVAL; |
5924 | ||
5925 | params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
5926 | ||
ee4bc9e7 SW |
5927 | if (!need_new_beacon) |
5928 | goto skip_beacons; | |
5929 | ||
16ef1fe2 SW |
5930 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
5931 | if (err) | |
5932 | return err; | |
5933 | ||
5934 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
5935 | info->attrs[NL80211_ATTR_CSA_IES], | |
5936 | nl80211_policy); | |
5937 | if (err) | |
5938 | return err; | |
5939 | ||
5940 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
5941 | if (err) | |
5942 | return err; | |
5943 | ||
5944 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
5945 | return -EINVAL; | |
5946 | ||
9a774c78 AO |
5947 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
5948 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
5949 | return -EINVAL; |
5950 | ||
9a774c78 AO |
5951 | params.n_counter_offsets_beacon = len / sizeof(u16); |
5952 | if (rdev->wiphy.max_num_csa_counters && | |
5953 | (params.n_counter_offsets_beacon > | |
5954 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
5955 | return -EINVAL; |
5956 | ||
9a774c78 AO |
5957 | params.counter_offsets_beacon = |
5958 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
5959 | ||
5960 | /* sanity checks - counters should fit and be the same */ | |
5961 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
5962 | u16 offset = params.counter_offsets_beacon[i]; | |
5963 | ||
5964 | if (offset >= params.beacon_csa.tail_len) | |
5965 | return -EINVAL; | |
5966 | ||
5967 | if (params.beacon_csa.tail[offset] != params.count) | |
5968 | return -EINVAL; | |
5969 | } | |
5970 | ||
16ef1fe2 | 5971 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
5972 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
5973 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
5974 | return -EINVAL; |
5975 | ||
9a774c78 AO |
5976 | params.n_counter_offsets_presp = len / sizeof(u16); |
5977 | if (rdev->wiphy.max_num_csa_counters && | |
5978 | (params.n_counter_offsets_beacon > | |
5979 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 | 5980 | return -EINVAL; |
9a774c78 AO |
5981 | |
5982 | params.counter_offsets_presp = | |
5983 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
5984 | ||
5985 | /* sanity checks - counters should fit and be the same */ | |
5986 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
5987 | u16 offset = params.counter_offsets_presp[i]; | |
5988 | ||
5989 | if (offset >= params.beacon_csa.probe_resp_len) | |
5990 | return -EINVAL; | |
5991 | ||
5992 | if (params.beacon_csa.probe_resp[offset] != | |
5993 | params.count) | |
5994 | return -EINVAL; | |
5995 | } | |
16ef1fe2 SW |
5996 | } |
5997 | ||
ee4bc9e7 | 5998 | skip_beacons: |
16ef1fe2 SW |
5999 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
6000 | if (err) | |
6001 | return err; | |
6002 | ||
174e0cd2 IP |
6003 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, |
6004 | wdev->iftype)) | |
16ef1fe2 SW |
6005 | return -EINVAL; |
6006 | ||
2beb6dab LC |
6007 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
6008 | ¶ms.chandef, | |
6009 | wdev->iftype); | |
6010 | if (err < 0) | |
6011 | return err; | |
6012 | ||
6013 | if (err > 0) { | |
6014 | radar_detect_width = BIT(params.chandef.width); | |
6015 | params.radar_required = true; | |
16ef1fe2 SW |
6016 | } |
6017 | ||
16ef1fe2 SW |
6018 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
6019 | params.block_tx = true; | |
6020 | ||
c56589ed SW |
6021 | wdev_lock(wdev); |
6022 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
6023 | wdev_unlock(wdev); | |
6024 | ||
6025 | return err; | |
16ef1fe2 SW |
6026 | } |
6027 | ||
9720bb3a JB |
6028 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
6029 | u32 seq, int flags, | |
2a519311 | 6030 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
6031 | struct wireless_dev *wdev, |
6032 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 6033 | { |
48ab905d | 6034 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 6035 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
6036 | void *hdr; |
6037 | struct nlattr *bss; | |
48ab905d JB |
6038 | |
6039 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 6040 | |
15e47304 | 6041 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
6042 | NL80211_CMD_NEW_SCAN_RESULTS); |
6043 | if (!hdr) | |
6044 | return -1; | |
6045 | ||
9720bb3a JB |
6046 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
6047 | ||
97990a06 JB |
6048 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
6049 | goto nla_put_failure; | |
6050 | if (wdev->netdev && | |
9360ffd1 DM |
6051 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
6052 | goto nla_put_failure; | |
97990a06 JB |
6053 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
6054 | goto nla_put_failure; | |
2a519311 JB |
6055 | |
6056 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
6057 | if (!bss) | |
6058 | goto nla_put_failure; | |
9360ffd1 | 6059 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 6060 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 6061 | goto nla_put_failure; |
9caf0364 JB |
6062 | |
6063 | rcu_read_lock(); | |
0e227084 JB |
6064 | /* indicate whether we have probe response data or not */ |
6065 | if (rcu_access_pointer(res->proberesp_ies) && | |
6066 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
6067 | goto fail_unlock_rcu; | |
6068 | ||
6069 | /* this pointer prefers to be pointed to probe response data | |
6070 | * but is always valid | |
6071 | */ | |
9caf0364 | 6072 | ies = rcu_dereference(res->ies); |
8cef2c9d JB |
6073 | if (ies) { |
6074 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
6075 | goto fail_unlock_rcu; | |
8cef2c9d JB |
6076 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
6077 | ies->len, ies->data)) | |
6078 | goto fail_unlock_rcu; | |
9caf0364 | 6079 | } |
0e227084 JB |
6080 | |
6081 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 6082 | ies = rcu_dereference(res->beacon_ies); |
0e227084 JB |
6083 | if (ies && ies->from_beacon) { |
6084 | if (nla_put_u64(msg, NL80211_BSS_BEACON_TSF, ies->tsf)) | |
8cef2c9d JB |
6085 | goto fail_unlock_rcu; |
6086 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
6087 | ies->len, ies->data)) | |
6088 | goto fail_unlock_rcu; | |
9caf0364 JB |
6089 | } |
6090 | rcu_read_unlock(); | |
6091 | ||
9360ffd1 DM |
6092 | if (res->beacon_interval && |
6093 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
6094 | goto nla_put_failure; | |
6095 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
6096 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 6097 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
6098 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
6099 | jiffies_to_msecs(jiffies - intbss->ts))) | |
6100 | goto nla_put_failure; | |
2a519311 | 6101 | |
77965c97 | 6102 | switch (rdev->wiphy.signal_type) { |
2a519311 | 6103 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
6104 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
6105 | goto nla_put_failure; | |
2a519311 JB |
6106 | break; |
6107 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
6108 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
6109 | goto nla_put_failure; | |
2a519311 JB |
6110 | break; |
6111 | default: | |
6112 | break; | |
6113 | } | |
6114 | ||
48ab905d | 6115 | switch (wdev->iftype) { |
074ac8df | 6116 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 6117 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
6118 | if (intbss == wdev->current_bss && |
6119 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6120 | NL80211_BSS_STATUS_ASSOCIATED)) | |
6121 | goto nla_put_failure; | |
48ab905d JB |
6122 | break; |
6123 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
6124 | if (intbss == wdev->current_bss && |
6125 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6126 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
6127 | goto nla_put_failure; | |
48ab905d JB |
6128 | break; |
6129 | default: | |
6130 | break; | |
6131 | } | |
6132 | ||
2a519311 JB |
6133 | nla_nest_end(msg, bss); |
6134 | ||
6135 | return genlmsg_end(msg, hdr); | |
6136 | ||
8cef2c9d JB |
6137 | fail_unlock_rcu: |
6138 | rcu_read_unlock(); | |
2a519311 JB |
6139 | nla_put_failure: |
6140 | genlmsg_cancel(msg, hdr); | |
6141 | return -EMSGSIZE; | |
6142 | } | |
6143 | ||
97990a06 | 6144 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 6145 | { |
48ab905d | 6146 | struct cfg80211_registered_device *rdev; |
2a519311 | 6147 | struct cfg80211_internal_bss *scan; |
48ab905d | 6148 | struct wireless_dev *wdev; |
97990a06 | 6149 | int start = cb->args[2], idx = 0; |
2a519311 JB |
6150 | int err; |
6151 | ||
97990a06 | 6152 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6153 | if (err) |
6154 | return err; | |
2a519311 | 6155 | |
48ab905d JB |
6156 | wdev_lock(wdev); |
6157 | spin_lock_bh(&rdev->bss_lock); | |
6158 | cfg80211_bss_expire(rdev); | |
6159 | ||
9720bb3a JB |
6160 | cb->seq = rdev->bss_generation; |
6161 | ||
48ab905d | 6162 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
6163 | if (++idx <= start) |
6164 | continue; | |
9720bb3a | 6165 | if (nl80211_send_bss(skb, cb, |
2a519311 | 6166 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 6167 | rdev, wdev, scan) < 0) { |
2a519311 | 6168 | idx--; |
67748893 | 6169 | break; |
2a519311 JB |
6170 | } |
6171 | } | |
6172 | ||
48ab905d JB |
6173 | spin_unlock_bh(&rdev->bss_lock); |
6174 | wdev_unlock(wdev); | |
2a519311 | 6175 | |
97990a06 JB |
6176 | cb->args[2] = idx; |
6177 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 6178 | |
67748893 | 6179 | return skb->len; |
2a519311 JB |
6180 | } |
6181 | ||
15e47304 | 6182 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
6183 | int flags, struct net_device *dev, |
6184 | struct survey_info *survey) | |
6185 | { | |
6186 | void *hdr; | |
6187 | struct nlattr *infoattr; | |
6188 | ||
15e47304 | 6189 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
6190 | NL80211_CMD_NEW_SURVEY_RESULTS); |
6191 | if (!hdr) | |
6192 | return -ENOMEM; | |
6193 | ||
9360ffd1 DM |
6194 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
6195 | goto nla_put_failure; | |
61fa713c HS |
6196 | |
6197 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
6198 | if (!infoattr) | |
6199 | goto nla_put_failure; | |
6200 | ||
9360ffd1 DM |
6201 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
6202 | survey->channel->center_freq)) | |
6203 | goto nla_put_failure; | |
6204 | ||
6205 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
6206 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
6207 | goto nla_put_failure; | |
6208 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
6209 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
6210 | goto nla_put_failure; | |
6211 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
6212 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
6213 | survey->channel_time)) | |
6214 | goto nla_put_failure; | |
6215 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
6216 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
6217 | survey->channel_time_busy)) | |
6218 | goto nla_put_failure; | |
6219 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
6220 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
6221 | survey->channel_time_ext_busy)) | |
6222 | goto nla_put_failure; | |
6223 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
6224 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
6225 | survey->channel_time_rx)) | |
6226 | goto nla_put_failure; | |
6227 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
6228 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
6229 | survey->channel_time_tx)) | |
6230 | goto nla_put_failure; | |
61fa713c HS |
6231 | |
6232 | nla_nest_end(msg, infoattr); | |
6233 | ||
6234 | return genlmsg_end(msg, hdr); | |
6235 | ||
6236 | nla_put_failure: | |
6237 | genlmsg_cancel(msg, hdr); | |
6238 | return -EMSGSIZE; | |
6239 | } | |
6240 | ||
6241 | static int nl80211_dump_survey(struct sk_buff *skb, | |
6242 | struct netlink_callback *cb) | |
6243 | { | |
6244 | struct survey_info survey; | |
1b8ec87a | 6245 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
6246 | struct wireless_dev *wdev; |
6247 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6248 | int res; |
6249 | ||
1b8ec87a | 6250 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6251 | if (res) |
6252 | return res; | |
61fa713c | 6253 | |
97990a06 JB |
6254 | if (!wdev->netdev) { |
6255 | res = -EINVAL; | |
6256 | goto out_err; | |
6257 | } | |
6258 | ||
1b8ec87a | 6259 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
6260 | res = -EOPNOTSUPP; |
6261 | goto out_err; | |
6262 | } | |
6263 | ||
6264 | while (1) { | |
180cdc79 LR |
6265 | struct ieee80211_channel *chan; |
6266 | ||
1b8ec87a | 6267 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6268 | if (res == -ENOENT) |
6269 | break; | |
6270 | if (res) | |
6271 | goto out_err; | |
6272 | ||
180cdc79 LR |
6273 | /* Survey without a channel doesn't make sense */ |
6274 | if (!survey.channel) { | |
6275 | res = -EINVAL; | |
6276 | goto out; | |
6277 | } | |
6278 | ||
1b8ec87a | 6279 | chan = ieee80211_get_channel(&rdev->wiphy, |
180cdc79 LR |
6280 | survey.channel->center_freq); |
6281 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
6282 | survey_idx++; | |
6283 | continue; | |
6284 | } | |
6285 | ||
61fa713c | 6286 | if (nl80211_send_survey(skb, |
15e47304 | 6287 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6288 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6289 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6290 | goto out; |
6291 | survey_idx++; | |
6292 | } | |
6293 | ||
6294 | out: | |
97990a06 | 6295 | cb->args[2] = survey_idx; |
61fa713c HS |
6296 | res = skb->len; |
6297 | out_err: | |
1b8ec87a | 6298 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
6299 | return res; |
6300 | } | |
6301 | ||
b23aa676 SO |
6302 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6303 | { | |
6304 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6305 | NL80211_WPA_VERSION_2)); | |
6306 | } | |
6307 | ||
636a5d36 JM |
6308 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6309 | { | |
4c476991 JB |
6310 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6311 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6312 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6313 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6314 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6315 | enum nl80211_auth_type auth_type; |
fffd0934 | 6316 | struct key_parse key; |
d5cdfacb | 6317 | bool local_state_change; |
636a5d36 | 6318 | |
f4a11bb0 JB |
6319 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6320 | return -EINVAL; | |
6321 | ||
6322 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6323 | return -EINVAL; | |
6324 | ||
1778092e JM |
6325 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6326 | return -EINVAL; | |
6327 | ||
19957bb3 JB |
6328 | if (!info->attrs[NL80211_ATTR_SSID]) |
6329 | return -EINVAL; | |
6330 | ||
6331 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6332 | return -EINVAL; | |
6333 | ||
fffd0934 JB |
6334 | err = nl80211_parse_key(info, &key); |
6335 | if (err) | |
6336 | return err; | |
6337 | ||
6338 | if (key.idx >= 0) { | |
e31b8213 JB |
6339 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6340 | return -EINVAL; | |
fffd0934 JB |
6341 | if (!key.p.key || !key.p.key_len) |
6342 | return -EINVAL; | |
6343 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6344 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6345 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6346 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6347 | return -EINVAL; | |
6348 | if (key.idx > 4) | |
6349 | return -EINVAL; | |
6350 | } else { | |
6351 | key.p.key_len = 0; | |
6352 | key.p.key = NULL; | |
6353 | } | |
6354 | ||
afea0b7a JB |
6355 | if (key.idx >= 0) { |
6356 | int i; | |
6357 | bool ok = false; | |
6358 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6359 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6360 | ok = true; | |
6361 | break; | |
6362 | } | |
6363 | } | |
4c476991 JB |
6364 | if (!ok) |
6365 | return -EINVAL; | |
afea0b7a JB |
6366 | } |
6367 | ||
4c476991 JB |
6368 | if (!rdev->ops->auth) |
6369 | return -EOPNOTSUPP; | |
636a5d36 | 6370 | |
074ac8df | 6371 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6372 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6373 | return -EOPNOTSUPP; | |
eec60b03 | 6374 | |
19957bb3 | 6375 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
6376 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6377 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6378 | if (!chan) | |
4c476991 | 6379 | return -EINVAL; |
636a5d36 | 6380 | |
19957bb3 JB |
6381 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6382 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6383 | |
6384 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6385 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6386 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6387 | } |
6388 | ||
19957bb3 | 6389 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6390 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6391 | return -EINVAL; |
636a5d36 | 6392 | |
e39e5b5e JM |
6393 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6394 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6395 | return -EINVAL; | |
6396 | ||
6397 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6398 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6399 | return -EINVAL; | |
6400 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6401 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6402 | /* need to include at least Auth Transaction and Status Code */ | |
6403 | if (sae_data_len < 4) | |
6404 | return -EINVAL; | |
6405 | } | |
6406 | ||
d5cdfacb JM |
6407 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6408 | ||
95de817b JB |
6409 | /* |
6410 | * Since we no longer track auth state, ignore | |
6411 | * requests to only change local state. | |
6412 | */ | |
6413 | if (local_state_change) | |
6414 | return 0; | |
6415 | ||
91bf9b26 JB |
6416 | wdev_lock(dev->ieee80211_ptr); |
6417 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6418 | ssid, ssid_len, ie, ie_len, | |
6419 | key.p.key, key.p.key_len, key.idx, | |
6420 | sae_data, sae_data_len); | |
6421 | wdev_unlock(dev->ieee80211_ptr); | |
6422 | return err; | |
636a5d36 JM |
6423 | } |
6424 | ||
c0692b8f JB |
6425 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6426 | struct genl_info *info, | |
3dc27d25 JB |
6427 | struct cfg80211_crypto_settings *settings, |
6428 | int cipher_limit) | |
b23aa676 | 6429 | { |
c0b2bbd8 JB |
6430 | memset(settings, 0, sizeof(*settings)); |
6431 | ||
b23aa676 SO |
6432 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6433 | ||
c0692b8f JB |
6434 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6435 | u16 proto; | |
6436 | proto = nla_get_u16( | |
6437 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6438 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6439 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6440 | proto != ETH_P_PAE) | |
6441 | return -EINVAL; | |
6442 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6443 | settings->control_port_no_encrypt = true; | |
6444 | } else | |
6445 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6446 | ||
b23aa676 SO |
6447 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6448 | void *data; | |
6449 | int len, i; | |
6450 | ||
6451 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6452 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6453 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6454 | ||
6455 | if (len % sizeof(u32)) | |
6456 | return -EINVAL; | |
6457 | ||
3dc27d25 | 6458 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6459 | return -EINVAL; |
6460 | ||
6461 | memcpy(settings->ciphers_pairwise, data, len); | |
6462 | ||
6463 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6464 | if (!cfg80211_supported_cipher_suite( |
6465 | &rdev->wiphy, | |
b23aa676 SO |
6466 | settings->ciphers_pairwise[i])) |
6467 | return -EINVAL; | |
6468 | } | |
6469 | ||
6470 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6471 | settings->cipher_group = | |
6472 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6473 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6474 | settings->cipher_group)) | |
b23aa676 SO |
6475 | return -EINVAL; |
6476 | } | |
6477 | ||
6478 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6479 | settings->wpa_versions = | |
6480 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6481 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6482 | return -EINVAL; | |
6483 | } | |
6484 | ||
6485 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6486 | void *data; | |
6d30240e | 6487 | int len; |
b23aa676 SO |
6488 | |
6489 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6490 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6491 | settings->n_akm_suites = len / sizeof(u32); | |
6492 | ||
6493 | if (len % sizeof(u32)) | |
6494 | return -EINVAL; | |
6495 | ||
1b9ca027 JM |
6496 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6497 | return -EINVAL; | |
6498 | ||
b23aa676 | 6499 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6500 | } |
6501 | ||
6502 | return 0; | |
6503 | } | |
6504 | ||
636a5d36 JM |
6505 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6506 | { | |
4c476991 JB |
6507 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6508 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6509 | struct ieee80211_channel *chan; |
f62fab73 JB |
6510 | struct cfg80211_assoc_request req = {}; |
6511 | const u8 *bssid, *ssid; | |
6512 | int err, ssid_len = 0; | |
636a5d36 | 6513 | |
f4a11bb0 JB |
6514 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6515 | return -EINVAL; | |
6516 | ||
6517 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6518 | !info->attrs[NL80211_ATTR_SSID] || |
6519 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6520 | return -EINVAL; |
6521 | ||
4c476991 JB |
6522 | if (!rdev->ops->assoc) |
6523 | return -EOPNOTSUPP; | |
636a5d36 | 6524 | |
074ac8df | 6525 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6526 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6527 | return -EOPNOTSUPP; | |
eec60b03 | 6528 | |
19957bb3 | 6529 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6530 | |
664834de JM |
6531 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6532 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6533 | if (!chan) | |
4c476991 | 6534 | return -EINVAL; |
636a5d36 | 6535 | |
19957bb3 JB |
6536 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6537 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6538 | |
6539 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6540 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6541 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6542 | } |
6543 | ||
dc6382ce | 6544 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6545 | enum nl80211_mfp mfp = |
dc6382ce | 6546 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6547 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6548 | req.use_mfp = true; |
4c476991 JB |
6549 | else if (mfp != NL80211_MFP_NO) |
6550 | return -EINVAL; | |
dc6382ce JM |
6551 | } |
6552 | ||
3e5d7649 | 6553 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6554 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6555 | |
7e7c8926 | 6556 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6557 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6558 | |
6559 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6560 | memcpy(&req.ht_capa_mask, |
6561 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6562 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6563 | |
6564 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6565 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6566 | return -EINVAL; |
f62fab73 JB |
6567 | memcpy(&req.ht_capa, |
6568 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6569 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6570 | } |
6571 | ||
ee2aca34 | 6572 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6573 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6574 | |
6575 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6576 | memcpy(&req.vht_capa_mask, |
6577 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6578 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6579 | |
6580 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6581 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6582 | return -EINVAL; |
f62fab73 JB |
6583 | memcpy(&req.vht_capa, |
6584 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6585 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6586 | } |
6587 | ||
bab5ab7d AK |
6588 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
6589 | if (!(rdev->wiphy.features & | |
6590 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
6591 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
6592 | return -EINVAL; | |
6593 | req.flags |= ASSOC_REQ_USE_RRM; | |
6594 | } | |
6595 | ||
f62fab73 | 6596 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6597 | if (!err) { |
6598 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6599 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6600 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6601 | wdev_unlock(dev->ieee80211_ptr); |
6602 | } | |
636a5d36 | 6603 | |
636a5d36 JM |
6604 | return err; |
6605 | } | |
6606 | ||
6607 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6608 | { | |
4c476991 JB |
6609 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6610 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6611 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6612 | int ie_len = 0, err; |
19957bb3 | 6613 | u16 reason_code; |
d5cdfacb | 6614 | bool local_state_change; |
636a5d36 | 6615 | |
f4a11bb0 JB |
6616 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6617 | return -EINVAL; | |
6618 | ||
6619 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6620 | return -EINVAL; | |
6621 | ||
6622 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6623 | return -EINVAL; | |
6624 | ||
4c476991 JB |
6625 | if (!rdev->ops->deauth) |
6626 | return -EOPNOTSUPP; | |
636a5d36 | 6627 | |
074ac8df | 6628 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6629 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6630 | return -EOPNOTSUPP; | |
eec60b03 | 6631 | |
19957bb3 | 6632 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6633 | |
19957bb3 JB |
6634 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6635 | if (reason_code == 0) { | |
f4a11bb0 | 6636 | /* Reason Code 0 is reserved */ |
4c476991 | 6637 | return -EINVAL; |
255e737e | 6638 | } |
636a5d36 JM |
6639 | |
6640 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6641 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6642 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6643 | } |
6644 | ||
d5cdfacb JM |
6645 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6646 | ||
91bf9b26 JB |
6647 | wdev_lock(dev->ieee80211_ptr); |
6648 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6649 | local_state_change); | |
6650 | wdev_unlock(dev->ieee80211_ptr); | |
6651 | return err; | |
636a5d36 JM |
6652 | } |
6653 | ||
6654 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6655 | { | |
4c476991 JB |
6656 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6657 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6658 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6659 | int ie_len = 0, err; |
19957bb3 | 6660 | u16 reason_code; |
d5cdfacb | 6661 | bool local_state_change; |
636a5d36 | 6662 | |
f4a11bb0 JB |
6663 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6664 | return -EINVAL; | |
6665 | ||
6666 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6667 | return -EINVAL; | |
6668 | ||
6669 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6670 | return -EINVAL; | |
6671 | ||
4c476991 JB |
6672 | if (!rdev->ops->disassoc) |
6673 | return -EOPNOTSUPP; | |
636a5d36 | 6674 | |
074ac8df | 6675 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6676 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6677 | return -EOPNOTSUPP; | |
eec60b03 | 6678 | |
19957bb3 | 6679 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6680 | |
19957bb3 JB |
6681 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6682 | if (reason_code == 0) { | |
f4a11bb0 | 6683 | /* Reason Code 0 is reserved */ |
4c476991 | 6684 | return -EINVAL; |
255e737e | 6685 | } |
636a5d36 JM |
6686 | |
6687 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6688 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6689 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6690 | } |
6691 | ||
d5cdfacb JM |
6692 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6693 | ||
91bf9b26 JB |
6694 | wdev_lock(dev->ieee80211_ptr); |
6695 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6696 | local_state_change); | |
6697 | wdev_unlock(dev->ieee80211_ptr); | |
6698 | return err; | |
636a5d36 JM |
6699 | } |
6700 | ||
dd5b4cc7 FF |
6701 | static bool |
6702 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6703 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6704 | int rateval) | |
6705 | { | |
6706 | struct wiphy *wiphy = &rdev->wiphy; | |
6707 | bool found = false; | |
6708 | int band, i; | |
6709 | ||
6710 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6711 | struct ieee80211_supported_band *sband; | |
6712 | ||
6713 | sband = wiphy->bands[band]; | |
6714 | if (!sband) | |
6715 | continue; | |
6716 | ||
6717 | for (i = 0; i < sband->n_bitrates; i++) { | |
6718 | if (sband->bitrates[i].bitrate == rateval) { | |
6719 | mcast_rate[band] = i + 1; | |
6720 | found = true; | |
6721 | break; | |
6722 | } | |
6723 | } | |
6724 | } | |
6725 | ||
6726 | return found; | |
6727 | } | |
6728 | ||
04a773ad JB |
6729 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
6730 | { | |
4c476991 JB |
6731 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6732 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
6733 | struct cfg80211_ibss_params ibss; |
6734 | struct wiphy *wiphy; | |
fffd0934 | 6735 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6736 | int err; |
6737 | ||
8e30bc55 JB |
6738 | memset(&ibss, 0, sizeof(ibss)); |
6739 | ||
04a773ad JB |
6740 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6741 | return -EINVAL; | |
6742 | ||
683b6d3b | 6743 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6744 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6745 | return -EINVAL; | |
6746 | ||
8e30bc55 JB |
6747 | ibss.beacon_interval = 100; |
6748 | ||
6749 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6750 | ibss.beacon_interval = | |
6751 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6752 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6753 | return -EINVAL; | |
6754 | } | |
6755 | ||
4c476991 JB |
6756 | if (!rdev->ops->join_ibss) |
6757 | return -EOPNOTSUPP; | |
04a773ad | 6758 | |
4c476991 JB |
6759 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6760 | return -EOPNOTSUPP; | |
04a773ad | 6761 | |
79c97e97 | 6762 | wiphy = &rdev->wiphy; |
04a773ad | 6763 | |
39193498 | 6764 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6765 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6766 | |
6767 | if (!is_valid_ether_addr(ibss.bssid)) | |
6768 | return -EINVAL; | |
6769 | } | |
04a773ad JB |
6770 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6771 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6772 | ||
6773 | if (info->attrs[NL80211_ATTR_IE]) { | |
6774 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6775 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6776 | } | |
6777 | ||
683b6d3b JB |
6778 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6779 | if (err) | |
6780 | return err; | |
04a773ad | 6781 | |
174e0cd2 IP |
6782 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
6783 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
6784 | return -EINVAL; |
6785 | ||
2f301ab2 | 6786 | switch (ibss.chandef.width) { |
bf372645 SW |
6787 | case NL80211_CHAN_WIDTH_5: |
6788 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
6789 | case NL80211_CHAN_WIDTH_20_NOHT: |
6790 | break; | |
6791 | case NL80211_CHAN_WIDTH_20: | |
6792 | case NL80211_CHAN_WIDTH_40: | |
6793 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
6794 | break; | |
6795 | default: | |
c04d6150 | 6796 | return -EINVAL; |
2f301ab2 | 6797 | } |
db9c64cf | 6798 | |
04a773ad | 6799 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6800 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6801 | ||
fbd2c8dc TP |
6802 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6803 | u8 *rates = | |
6804 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6805 | int n_rates = | |
6806 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6807 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6808 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6809 | |
34850ab2 JB |
6810 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6811 | &ibss.basic_rates); | |
6812 | if (err) | |
6813 | return err; | |
fbd2c8dc | 6814 | } |
dd5b4cc7 | 6815 | |
803768f5 SW |
6816 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
6817 | memcpy(&ibss.ht_capa_mask, | |
6818 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6819 | sizeof(ibss.ht_capa_mask)); | |
6820 | ||
6821 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
6822 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6823 | return -EINVAL; | |
6824 | memcpy(&ibss.ht_capa, | |
6825 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6826 | sizeof(ibss.ht_capa)); | |
6827 | } | |
6828 | ||
dd5b4cc7 FF |
6829 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6830 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6831 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6832 | return -EINVAL; | |
fbd2c8dc | 6833 | |
4c476991 | 6834 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6835 | bool no_ht = false; |
6836 | ||
4c476991 | 6837 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6838 | info->attrs[NL80211_ATTR_KEYS], |
6839 | &no_ht); | |
4c476991 JB |
6840 | if (IS_ERR(connkeys)) |
6841 | return PTR_ERR(connkeys); | |
de7044ee | 6842 | |
3d9d1d66 JB |
6843 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6844 | no_ht) { | |
de7044ee SM |
6845 | kfree(connkeys); |
6846 | return -EINVAL; | |
6847 | } | |
4c476991 | 6848 | } |
04a773ad | 6849 | |
267335d6 AQ |
6850 | ibss.control_port = |
6851 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6852 | ||
5336fa88 SW |
6853 | ibss.userspace_handles_dfs = |
6854 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
6855 | ||
4c476991 | 6856 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
6857 | if (err) |
6858 | kfree(connkeys); | |
04a773ad JB |
6859 | return err; |
6860 | } | |
6861 | ||
6862 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6863 | { | |
4c476991 JB |
6864 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6865 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6866 | |
4c476991 JB |
6867 | if (!rdev->ops->leave_ibss) |
6868 | return -EOPNOTSUPP; | |
04a773ad | 6869 | |
4c476991 JB |
6870 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6871 | return -EOPNOTSUPP; | |
04a773ad | 6872 | |
4c476991 | 6873 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6874 | } |
6875 | ||
f4e583c8 AQ |
6876 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6877 | { | |
6878 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6879 | struct net_device *dev = info->user_ptr[1]; | |
6880 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6881 | u32 nla_rate; | |
6882 | int err; | |
6883 | ||
6884 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6885 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6886 | return -EOPNOTSUPP; | |
6887 | ||
6888 | if (!rdev->ops->set_mcast_rate) | |
6889 | return -EOPNOTSUPP; | |
6890 | ||
6891 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6892 | ||
6893 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6894 | return -EINVAL; | |
6895 | ||
6896 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6897 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6898 | return -EINVAL; | |
6899 | ||
6900 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6901 | ||
6902 | return err; | |
6903 | } | |
6904 | ||
ad7e718c JB |
6905 | static struct sk_buff * |
6906 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6907 | int approxlen, u32 portid, u32 seq, | |
6908 | enum nl80211_commands cmd, | |
567ffc35 JB |
6909 | enum nl80211_attrs attr, |
6910 | const struct nl80211_vendor_cmd_info *info, | |
6911 | gfp_t gfp) | |
ad7e718c JB |
6912 | { |
6913 | struct sk_buff *skb; | |
6914 | void *hdr; | |
6915 | struct nlattr *data; | |
6916 | ||
6917 | skb = nlmsg_new(approxlen + 100, gfp); | |
6918 | if (!skb) | |
6919 | return NULL; | |
6920 | ||
6921 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
6922 | if (!hdr) { | |
6923 | kfree_skb(skb); | |
6924 | return NULL; | |
6925 | } | |
6926 | ||
6927 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
6928 | goto nla_put_failure; | |
567ffc35 JB |
6929 | |
6930 | if (info) { | |
6931 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
6932 | info->vendor_id)) | |
6933 | goto nla_put_failure; | |
6934 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
6935 | info->subcmd)) | |
6936 | goto nla_put_failure; | |
6937 | } | |
6938 | ||
ad7e718c JB |
6939 | data = nla_nest_start(skb, attr); |
6940 | ||
6941 | ((void **)skb->cb)[0] = rdev; | |
6942 | ((void **)skb->cb)[1] = hdr; | |
6943 | ((void **)skb->cb)[2] = data; | |
6944 | ||
6945 | return skb; | |
6946 | ||
6947 | nla_put_failure: | |
6948 | kfree_skb(skb); | |
6949 | return NULL; | |
6950 | } | |
f4e583c8 | 6951 | |
e03ad6ea JB |
6952 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6953 | enum nl80211_commands cmd, | |
6954 | enum nl80211_attrs attr, | |
6955 | int vendor_event_idx, | |
6956 | int approxlen, gfp_t gfp) | |
6957 | { | |
f26cbf40 | 6958 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
6959 | const struct nl80211_vendor_cmd_info *info; |
6960 | ||
6961 | switch (cmd) { | |
6962 | case NL80211_CMD_TESTMODE: | |
6963 | if (WARN_ON(vendor_event_idx != -1)) | |
6964 | return NULL; | |
6965 | info = NULL; | |
6966 | break; | |
6967 | case NL80211_CMD_VENDOR: | |
6968 | if (WARN_ON(vendor_event_idx < 0 || | |
6969 | vendor_event_idx >= wiphy->n_vendor_events)) | |
6970 | return NULL; | |
6971 | info = &wiphy->vendor_events[vendor_event_idx]; | |
6972 | break; | |
6973 | default: | |
6974 | WARN_ON(1); | |
6975 | return NULL; | |
6976 | } | |
6977 | ||
6978 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, | |
6979 | cmd, attr, info, gfp); | |
6980 | } | |
6981 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
6982 | ||
6983 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
6984 | { | |
6985 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
6986 | void *hdr = ((void **)skb->cb)[1]; | |
6987 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6988 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
6989 | ||
6990 | nla_nest_end(skb, data); | |
6991 | genlmsg_end(skb, hdr); | |
6992 | ||
6993 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
6994 | mcgrp = NL80211_MCGRP_VENDOR; | |
6995 | ||
6996 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
6997 | mcgrp, gfp); | |
6998 | } | |
6999 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
7000 | ||
aff89a9b | 7001 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
7002 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
7003 | { | |
4c476991 | 7004 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
7005 | struct wireless_dev *wdev = |
7006 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
7007 | int err; |
7008 | ||
fc73f11f DS |
7009 | if (!rdev->ops->testmode_cmd) |
7010 | return -EOPNOTSUPP; | |
7011 | ||
7012 | if (IS_ERR(wdev)) { | |
7013 | err = PTR_ERR(wdev); | |
7014 | if (err != -EINVAL) | |
7015 | return err; | |
7016 | wdev = NULL; | |
7017 | } else if (wdev->wiphy != &rdev->wiphy) { | |
7018 | return -EINVAL; | |
7019 | } | |
7020 | ||
aff89a9b JB |
7021 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
7022 | return -EINVAL; | |
7023 | ||
ad7e718c | 7024 | rdev->cur_cmd_info = info; |
fc73f11f | 7025 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
7026 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
7027 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 7028 | rdev->cur_cmd_info = NULL; |
aff89a9b | 7029 | |
aff89a9b JB |
7030 | return err; |
7031 | } | |
7032 | ||
71063f0e WYG |
7033 | static int nl80211_testmode_dump(struct sk_buff *skb, |
7034 | struct netlink_callback *cb) | |
7035 | { | |
00918d33 | 7036 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
7037 | int err; |
7038 | long phy_idx; | |
7039 | void *data = NULL; | |
7040 | int data_len = 0; | |
7041 | ||
5fe231e8 JB |
7042 | rtnl_lock(); |
7043 | ||
71063f0e WYG |
7044 | if (cb->args[0]) { |
7045 | /* | |
7046 | * 0 is a valid index, but not valid for args[0], | |
7047 | * so we need to offset by 1. | |
7048 | */ | |
7049 | phy_idx = cb->args[0] - 1; | |
7050 | } else { | |
7051 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
7052 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
7053 | nl80211_policy); | |
7054 | if (err) | |
5fe231e8 | 7055 | goto out_err; |
00918d33 | 7056 | |
2bd7e35d JB |
7057 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
7058 | nl80211_fam.attrbuf); | |
7059 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
7060 | err = PTR_ERR(rdev); |
7061 | goto out_err; | |
00918d33 | 7062 | } |
2bd7e35d JB |
7063 | phy_idx = rdev->wiphy_idx; |
7064 | rdev = NULL; | |
2bd7e35d | 7065 | |
71063f0e WYG |
7066 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
7067 | cb->args[1] = | |
7068 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
7069 | } | |
7070 | ||
7071 | if (cb->args[1]) { | |
7072 | data = nla_data((void *)cb->args[1]); | |
7073 | data_len = nla_len((void *)cb->args[1]); | |
7074 | } | |
7075 | ||
00918d33 JB |
7076 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
7077 | if (!rdev) { | |
5fe231e8 JB |
7078 | err = -ENOENT; |
7079 | goto out_err; | |
71063f0e | 7080 | } |
71063f0e | 7081 | |
00918d33 | 7082 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
7083 | err = -EOPNOTSUPP; |
7084 | goto out_err; | |
7085 | } | |
7086 | ||
7087 | while (1) { | |
15e47304 | 7088 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
7089 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
7090 | NL80211_CMD_TESTMODE); | |
7091 | struct nlattr *tmdata; | |
7092 | ||
cb35fba3 DC |
7093 | if (!hdr) |
7094 | break; | |
7095 | ||
9360ffd1 | 7096 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
7097 | genlmsg_cancel(skb, hdr); |
7098 | break; | |
7099 | } | |
7100 | ||
7101 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
7102 | if (!tmdata) { | |
7103 | genlmsg_cancel(skb, hdr); | |
7104 | break; | |
7105 | } | |
e35e4d28 | 7106 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
7107 | nla_nest_end(skb, tmdata); |
7108 | ||
7109 | if (err == -ENOBUFS || err == -ENOENT) { | |
7110 | genlmsg_cancel(skb, hdr); | |
7111 | break; | |
7112 | } else if (err) { | |
7113 | genlmsg_cancel(skb, hdr); | |
7114 | goto out_err; | |
7115 | } | |
7116 | ||
7117 | genlmsg_end(skb, hdr); | |
7118 | } | |
7119 | ||
7120 | err = skb->len; | |
7121 | /* see above */ | |
7122 | cb->args[0] = phy_idx + 1; | |
7123 | out_err: | |
5fe231e8 | 7124 | rtnl_unlock(); |
71063f0e WYG |
7125 | return err; |
7126 | } | |
aff89a9b JB |
7127 | #endif |
7128 | ||
b23aa676 SO |
7129 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
7130 | { | |
4c476991 JB |
7131 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7132 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
7133 | struct cfg80211_connect_params connect; |
7134 | struct wiphy *wiphy; | |
fffd0934 | 7135 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
7136 | int err; |
7137 | ||
7138 | memset(&connect, 0, sizeof(connect)); | |
7139 | ||
7140 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
7141 | return -EINVAL; | |
7142 | ||
7143 | if (!info->attrs[NL80211_ATTR_SSID] || | |
7144 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
7145 | return -EINVAL; | |
7146 | ||
7147 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
7148 | connect.auth_type = | |
7149 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
7150 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
7151 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
7152 | return -EINVAL; |
7153 | } else | |
7154 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
7155 | ||
7156 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
7157 | ||
c0692b8f | 7158 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 7159 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
7160 | if (err) |
7161 | return err; | |
b23aa676 | 7162 | |
074ac8df | 7163 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7164 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7165 | return -EOPNOTSUPP; | |
b23aa676 | 7166 | |
79c97e97 | 7167 | wiphy = &rdev->wiphy; |
b23aa676 | 7168 | |
4486ea98 BS |
7169 | connect.bg_scan_period = -1; |
7170 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
7171 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
7172 | connect.bg_scan_period = | |
7173 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
7174 | } | |
7175 | ||
b23aa676 SO |
7176 | if (info->attrs[NL80211_ATTR_MAC]) |
7177 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
7178 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
7179 | connect.bssid_hint = | |
7180 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
7181 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7182 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7183 | ||
7184 | if (info->attrs[NL80211_ATTR_IE]) { | |
7185 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7186 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7187 | } | |
7188 | ||
cee00a95 JM |
7189 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
7190 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
7191 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
7192 | connect.mfp != NL80211_MFP_NO) | |
7193 | return -EINVAL; | |
7194 | } else { | |
7195 | connect.mfp = NL80211_MFP_NO; | |
7196 | } | |
7197 | ||
b23aa676 | 7198 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
7199 | connect.channel = nl80211_get_valid_chan( |
7200 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7201 | if (!connect.channel) | |
1df4a510 JM |
7202 | return -EINVAL; |
7203 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
7204 | connect.channel_hint = nl80211_get_valid_chan( |
7205 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
7206 | if (!connect.channel_hint) | |
4c476991 | 7207 | return -EINVAL; |
b23aa676 SO |
7208 | } |
7209 | ||
fffd0934 JB |
7210 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
7211 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 7212 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
7213 | if (IS_ERR(connkeys)) |
7214 | return PTR_ERR(connkeys); | |
fffd0934 JB |
7215 | } |
7216 | ||
7e7c8926 BG |
7217 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
7218 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
7219 | ||
7220 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7221 | memcpy(&connect.ht_capa_mask, | |
7222 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7223 | sizeof(connect.ht_capa_mask)); | |
7224 | ||
7225 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
7226 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
7227 | kfree(connkeys); | |
7e7c8926 | 7228 | return -EINVAL; |
b4e4f47e | 7229 | } |
7e7c8926 BG |
7230 | memcpy(&connect.ht_capa, |
7231 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7232 | sizeof(connect.ht_capa)); | |
7233 | } | |
7234 | ||
ee2aca34 JB |
7235 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
7236 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
7237 | ||
7238 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
7239 | memcpy(&connect.vht_capa_mask, | |
7240 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7241 | sizeof(connect.vht_capa_mask)); | |
7242 | ||
7243 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7244 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
7245 | kfree(connkeys); | |
7246 | return -EINVAL; | |
7247 | } | |
7248 | memcpy(&connect.vht_capa, | |
7249 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7250 | sizeof(connect.vht_capa)); | |
7251 | } | |
7252 | ||
bab5ab7d AK |
7253 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
7254 | if (!(rdev->wiphy.features & | |
7255 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
7256 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
7257 | return -EINVAL; | |
7258 | connect.flags |= ASSOC_REQ_USE_RRM; | |
7259 | } | |
7260 | ||
83739b03 JB |
7261 | wdev_lock(dev->ieee80211_ptr); |
7262 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7263 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 JB |
7264 | if (err) |
7265 | kfree(connkeys); | |
b23aa676 SO |
7266 | return err; |
7267 | } | |
7268 | ||
7269 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7270 | { | |
4c476991 JB |
7271 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7272 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7273 | u16 reason; |
83739b03 | 7274 | int ret; |
b23aa676 SO |
7275 | |
7276 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7277 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7278 | else | |
7279 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7280 | ||
7281 | if (reason == 0) | |
7282 | return -EINVAL; | |
7283 | ||
074ac8df | 7284 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7285 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7286 | return -EOPNOTSUPP; | |
b23aa676 | 7287 | |
83739b03 JB |
7288 | wdev_lock(dev->ieee80211_ptr); |
7289 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7290 | wdev_unlock(dev->ieee80211_ptr); | |
7291 | return ret; | |
b23aa676 SO |
7292 | } |
7293 | ||
463d0183 JB |
7294 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7295 | { | |
4c476991 | 7296 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7297 | struct net *net; |
7298 | int err; | |
7299 | u32 pid; | |
7300 | ||
7301 | if (!info->attrs[NL80211_ATTR_PID]) | |
7302 | return -EINVAL; | |
7303 | ||
7304 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7305 | ||
463d0183 | 7306 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7307 | if (IS_ERR(net)) |
7308 | return PTR_ERR(net); | |
463d0183 JB |
7309 | |
7310 | err = 0; | |
7311 | ||
7312 | /* check if anything to do */ | |
4c476991 JB |
7313 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7314 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7315 | |
463d0183 | 7316 | put_net(net); |
463d0183 JB |
7317 | return err; |
7318 | } | |
7319 | ||
67fbb16b SO |
7320 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7321 | { | |
4c476991 | 7322 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7323 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7324 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7325 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7326 | struct cfg80211_pmksa pmksa; |
7327 | ||
7328 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7329 | ||
7330 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7331 | return -EINVAL; | |
7332 | ||
7333 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7334 | return -EINVAL; | |
7335 | ||
67fbb16b SO |
7336 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7337 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7338 | ||
074ac8df | 7339 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7340 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7341 | return -EOPNOTSUPP; | |
67fbb16b SO |
7342 | |
7343 | switch (info->genlhdr->cmd) { | |
7344 | case NL80211_CMD_SET_PMKSA: | |
7345 | rdev_ops = rdev->ops->set_pmksa; | |
7346 | break; | |
7347 | case NL80211_CMD_DEL_PMKSA: | |
7348 | rdev_ops = rdev->ops->del_pmksa; | |
7349 | break; | |
7350 | default: | |
7351 | WARN_ON(1); | |
7352 | break; | |
7353 | } | |
7354 | ||
4c476991 JB |
7355 | if (!rdev_ops) |
7356 | return -EOPNOTSUPP; | |
67fbb16b | 7357 | |
4c476991 | 7358 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7359 | } |
7360 | ||
7361 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7362 | { | |
4c476991 JB |
7363 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7364 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7365 | |
074ac8df | 7366 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7367 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7368 | return -EOPNOTSUPP; | |
67fbb16b | 7369 | |
4c476991 JB |
7370 | if (!rdev->ops->flush_pmksa) |
7371 | return -EOPNOTSUPP; | |
67fbb16b | 7372 | |
e35e4d28 | 7373 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7374 | } |
7375 | ||
109086ce AN |
7376 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7377 | { | |
7378 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7379 | struct net_device *dev = info->user_ptr[1]; | |
7380 | u8 action_code, dialog_token; | |
df942e7b | 7381 | u32 peer_capability = 0; |
109086ce AN |
7382 | u16 status_code; |
7383 | u8 *peer; | |
31fa97c5 | 7384 | bool initiator; |
109086ce AN |
7385 | |
7386 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7387 | !rdev->ops->tdls_mgmt) | |
7388 | return -EOPNOTSUPP; | |
7389 | ||
7390 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7391 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7392 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7393 | !info->attrs[NL80211_ATTR_IE] || | |
7394 | !info->attrs[NL80211_ATTR_MAC]) | |
7395 | return -EINVAL; | |
7396 | ||
7397 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7398 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7399 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7400 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 7401 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
7402 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
7403 | peer_capability = | |
7404 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 7405 | |
e35e4d28 | 7406 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 7407 | dialog_token, status_code, peer_capability, |
31fa97c5 | 7408 | initiator, |
e35e4d28 HG |
7409 | nla_data(info->attrs[NL80211_ATTR_IE]), |
7410 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7411 | } |
7412 | ||
7413 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7414 | { | |
7415 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7416 | struct net_device *dev = info->user_ptr[1]; | |
7417 | enum nl80211_tdls_operation operation; | |
7418 | u8 *peer; | |
7419 | ||
7420 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7421 | !rdev->ops->tdls_oper) | |
7422 | return -EOPNOTSUPP; | |
7423 | ||
7424 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7425 | !info->attrs[NL80211_ATTR_MAC]) | |
7426 | return -EINVAL; | |
7427 | ||
7428 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7429 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7430 | ||
e35e4d28 | 7431 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7432 | } |
7433 | ||
9588bbd5 JM |
7434 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7435 | struct genl_info *info) | |
7436 | { | |
4c476991 | 7437 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7438 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7439 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7440 | struct sk_buff *msg; |
7441 | void *hdr; | |
7442 | u64 cookie; | |
683b6d3b | 7443 | u32 duration; |
9588bbd5 JM |
7444 | int err; |
7445 | ||
7446 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7447 | !info->attrs[NL80211_ATTR_DURATION]) | |
7448 | return -EINVAL; | |
7449 | ||
7450 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7451 | ||
ebf348fc JB |
7452 | if (!rdev->ops->remain_on_channel || |
7453 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7454 | return -EOPNOTSUPP; | |
7455 | ||
9588bbd5 | 7456 | /* |
ebf348fc JB |
7457 | * We should be on that channel for at least a minimum amount of |
7458 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7459 | */ |
ebf348fc | 7460 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7461 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7462 | return -EINVAL; |
7463 | ||
683b6d3b JB |
7464 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7465 | if (err) | |
7466 | return err; | |
9588bbd5 JM |
7467 | |
7468 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7469 | if (!msg) |
7470 | return -ENOMEM; | |
9588bbd5 | 7471 | |
15e47304 | 7472 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7473 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7474 | if (!hdr) { |
7475 | err = -ENOBUFS; | |
9588bbd5 JM |
7476 | goto free_msg; |
7477 | } | |
7478 | ||
683b6d3b JB |
7479 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7480 | duration, &cookie); | |
9588bbd5 JM |
7481 | |
7482 | if (err) | |
7483 | goto free_msg; | |
7484 | ||
9360ffd1 DM |
7485 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7486 | goto nla_put_failure; | |
9588bbd5 JM |
7487 | |
7488 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7489 | |
7490 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7491 | |
7492 | nla_put_failure: | |
7493 | err = -ENOBUFS; | |
7494 | free_msg: | |
7495 | nlmsg_free(msg); | |
9588bbd5 JM |
7496 | return err; |
7497 | } | |
7498 | ||
7499 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7500 | struct genl_info *info) | |
7501 | { | |
4c476991 | 7502 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7503 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7504 | u64 cookie; |
9588bbd5 JM |
7505 | |
7506 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7507 | return -EINVAL; | |
7508 | ||
4c476991 JB |
7509 | if (!rdev->ops->cancel_remain_on_channel) |
7510 | return -EOPNOTSUPP; | |
9588bbd5 | 7511 | |
9588bbd5 JM |
7512 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7513 | ||
e35e4d28 | 7514 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7515 | } |
7516 | ||
13ae75b1 JM |
7517 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7518 | u8 *rates, u8 rates_len) | |
7519 | { | |
7520 | u8 i; | |
7521 | u32 mask = 0; | |
7522 | ||
7523 | for (i = 0; i < rates_len; i++) { | |
7524 | int rate = (rates[i] & 0x7f) * 5; | |
7525 | int ridx; | |
7526 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7527 | struct ieee80211_rate *srate = | |
7528 | &sband->bitrates[ridx]; | |
7529 | if (rate == srate->bitrate) { | |
7530 | mask |= 1 << ridx; | |
7531 | break; | |
7532 | } | |
7533 | } | |
7534 | if (ridx == sband->n_bitrates) | |
7535 | return 0; /* rate not found */ | |
7536 | } | |
7537 | ||
7538 | return mask; | |
7539 | } | |
7540 | ||
24db78c0 SW |
7541 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7542 | u8 *rates, u8 rates_len, | |
7543 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7544 | { | |
7545 | u8 i; | |
7546 | ||
7547 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7548 | ||
7549 | for (i = 0; i < rates_len; i++) { | |
7550 | int ridx, rbit; | |
7551 | ||
7552 | ridx = rates[i] / 8; | |
7553 | rbit = BIT(rates[i] % 8); | |
7554 | ||
7555 | /* check validity */ | |
910570b5 | 7556 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7557 | return false; |
7558 | ||
7559 | /* check availability */ | |
7560 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7561 | mcs[ridx] |= rbit; | |
7562 | else | |
7563 | return false; | |
7564 | } | |
7565 | ||
7566 | return true; | |
7567 | } | |
7568 | ||
204e35a9 JD |
7569 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) |
7570 | { | |
7571 | u16 mcs_mask = 0; | |
7572 | ||
7573 | switch (vht_mcs_map) { | |
7574 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
7575 | break; | |
7576 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
7577 | mcs_mask = 0x00FF; | |
7578 | break; | |
7579 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
7580 | mcs_mask = 0x01FF; | |
7581 | break; | |
7582 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
7583 | mcs_mask = 0x03FF; | |
7584 | break; | |
7585 | default: | |
7586 | break; | |
7587 | } | |
7588 | ||
7589 | return mcs_mask; | |
7590 | } | |
7591 | ||
7592 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
7593 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
7594 | { | |
7595 | u8 nss; | |
7596 | ||
7597 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
7598 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
7599 | vht_mcs_map >>= 2; | |
7600 | } | |
7601 | } | |
7602 | ||
7603 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
7604 | struct nl80211_txrate_vht *txrate, | |
7605 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
7606 | { | |
7607 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7608 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
7609 | u8 i; | |
7610 | ||
7611 | if (!sband->vht_cap.vht_supported) | |
7612 | return false; | |
7613 | ||
7614 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
7615 | ||
7616 | /* Build vht_mcs_mask from VHT capabilities */ | |
7617 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
7618 | ||
7619 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
7620 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
7621 | mcs[i] = txrate->mcs[i]; | |
7622 | else | |
7623 | return false; | |
7624 | } | |
7625 | ||
7626 | return true; | |
7627 | } | |
7628 | ||
b54452b0 | 7629 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7630 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7631 | .len = NL80211_MAX_SUPP_RATES }, | |
d1e33e65 JD |
7632 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, |
7633 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
204e35a9 | 7634 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, |
0b9323f6 | 7635 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, |
13ae75b1 JM |
7636 | }; |
7637 | ||
7638 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7639 | struct genl_info *info) | |
7640 | { | |
7641 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7642 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7643 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7644 | int rem, i; |
7645 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7646 | struct nlattr *tx_rates; |
7647 | struct ieee80211_supported_band *sband; | |
204e35a9 | 7648 | u16 vht_tx_mcs_map; |
13ae75b1 | 7649 | |
4c476991 JB |
7650 | if (!rdev->ops->set_bitrate_mask) |
7651 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7652 | |
7653 | memset(&mask, 0, sizeof(mask)); | |
7654 | /* Default to all rates enabled */ | |
7655 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7656 | sband = rdev->wiphy.bands[i]; | |
7869303b JD |
7657 | |
7658 | if (!sband) | |
7659 | continue; | |
7660 | ||
7661 | mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | |
d1e33e65 | 7662 | memcpy(mask.control[i].ht_mcs, |
7869303b | 7663 | sband->ht_cap.mcs.rx_mask, |
d1e33e65 | 7664 | sizeof(mask.control[i].ht_mcs)); |
204e35a9 JD |
7665 | |
7666 | if (!sband->vht_cap.vht_supported) | |
7667 | continue; | |
7668 | ||
7669 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7670 | vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); | |
13ae75b1 JM |
7671 | } |
7672 | ||
b9243ab0 JD |
7673 | /* if no rates are given set it back to the defaults */ |
7674 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
7675 | goto out; | |
7676 | ||
13ae75b1 JM |
7677 | /* |
7678 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7679 | * directly to the enum ieee80211_band values used in cfg80211. | |
7680 | */ | |
24db78c0 | 7681 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
ae811e21 | 7682 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { |
13ae75b1 | 7683 | enum ieee80211_band band = nla_type(tx_rates); |
ae811e21 JB |
7684 | int err; |
7685 | ||
4c476991 JB |
7686 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7687 | return -EINVAL; | |
13ae75b1 | 7688 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7689 | if (sband == NULL) |
7690 | return -EINVAL; | |
ae811e21 JB |
7691 | err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7692 | nla_len(tx_rates), nl80211_txattr_policy); | |
7693 | if (err) | |
7694 | return err; | |
13ae75b1 JM |
7695 | if (tb[NL80211_TXRATE_LEGACY]) { |
7696 | mask.control[band].legacy = rateset_to_mask( | |
7697 | sband, | |
7698 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7699 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7700 | if ((mask.control[band].legacy == 0) && |
7701 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7702 | return -EINVAL; | |
24db78c0 | 7703 | } |
d1e33e65 | 7704 | if (tb[NL80211_TXRATE_HT]) { |
24db78c0 SW |
7705 | if (!ht_rateset_to_mask( |
7706 | sband, | |
d1e33e65 JD |
7707 | nla_data(tb[NL80211_TXRATE_HT]), |
7708 | nla_len(tb[NL80211_TXRATE_HT]), | |
7709 | mask.control[band].ht_mcs)) | |
24db78c0 SW |
7710 | return -EINVAL; |
7711 | } | |
204e35a9 JD |
7712 | if (tb[NL80211_TXRATE_VHT]) { |
7713 | if (!vht_set_mcs_mask( | |
7714 | sband, | |
7715 | nla_data(tb[NL80211_TXRATE_VHT]), | |
7716 | mask.control[band].vht_mcs)) | |
7717 | return -EINVAL; | |
7718 | } | |
0b9323f6 JD |
7719 | if (tb[NL80211_TXRATE_GI]) { |
7720 | mask.control[band].gi = | |
7721 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
7722 | if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
7723 | return -EINVAL; | |
7724 | } | |
24db78c0 SW |
7725 | |
7726 | if (mask.control[band].legacy == 0) { | |
204e35a9 JD |
7727 | /* don't allow empty legacy rates if HT or VHT |
7728 | * are not even supported. | |
7729 | */ | |
7730 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
7731 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
24db78c0 SW |
7732 | return -EINVAL; |
7733 | ||
7734 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
d1e33e65 | 7735 | if (mask.control[band].ht_mcs[i]) |
204e35a9 JD |
7736 | goto out; |
7737 | ||
7738 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
7739 | if (mask.control[band].vht_mcs[i]) | |
7740 | goto out; | |
24db78c0 SW |
7741 | |
7742 | /* legacy and mcs rates may not be both empty */ | |
204e35a9 | 7743 | return -EINVAL; |
13ae75b1 JM |
7744 | } |
7745 | } | |
7746 | ||
b9243ab0 | 7747 | out: |
e35e4d28 | 7748 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7749 | } |
7750 | ||
2e161f78 | 7751 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7752 | { |
4c476991 | 7753 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7754 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7755 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7756 | |
7757 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7758 | return -EINVAL; | |
7759 | ||
2e161f78 JB |
7760 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7761 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7762 | |
71bbc994 JB |
7763 | switch (wdev->iftype) { |
7764 | case NL80211_IFTYPE_STATION: | |
7765 | case NL80211_IFTYPE_ADHOC: | |
7766 | case NL80211_IFTYPE_P2P_CLIENT: | |
7767 | case NL80211_IFTYPE_AP: | |
7768 | case NL80211_IFTYPE_AP_VLAN: | |
7769 | case NL80211_IFTYPE_MESH_POINT: | |
7770 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7771 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7772 | break; |
7773 | default: | |
4c476991 | 7774 | return -EOPNOTSUPP; |
71bbc994 | 7775 | } |
026331c4 JM |
7776 | |
7777 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7778 | if (!rdev->ops->mgmt_tx) |
7779 | return -EOPNOTSUPP; | |
026331c4 | 7780 | |
15e47304 | 7781 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7782 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7783 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7784 | } |
7785 | ||
2e161f78 | 7786 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7787 | { |
4c476991 | 7788 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7789 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7790 | struct cfg80211_chan_def chandef; |
026331c4 | 7791 | int err; |
d64d373f | 7792 | void *hdr = NULL; |
026331c4 | 7793 | u64 cookie; |
e247bd90 | 7794 | struct sk_buff *msg = NULL; |
b176e629 AO |
7795 | struct cfg80211_mgmt_tx_params params = { |
7796 | .dont_wait_for_ack = | |
7797 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
7798 | }; | |
026331c4 | 7799 | |
683b6d3b | 7800 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7801 | return -EINVAL; |
7802 | ||
4c476991 JB |
7803 | if (!rdev->ops->mgmt_tx) |
7804 | return -EOPNOTSUPP; | |
026331c4 | 7805 | |
71bbc994 | 7806 | switch (wdev->iftype) { |
ea141b75 AQ |
7807 | case NL80211_IFTYPE_P2P_DEVICE: |
7808 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7809 | return -EINVAL; | |
71bbc994 JB |
7810 | case NL80211_IFTYPE_STATION: |
7811 | case NL80211_IFTYPE_ADHOC: | |
7812 | case NL80211_IFTYPE_P2P_CLIENT: | |
7813 | case NL80211_IFTYPE_AP: | |
7814 | case NL80211_IFTYPE_AP_VLAN: | |
7815 | case NL80211_IFTYPE_MESH_POINT: | |
7816 | case NL80211_IFTYPE_P2P_GO: | |
7817 | break; | |
7818 | default: | |
4c476991 | 7819 | return -EOPNOTSUPP; |
71bbc994 | 7820 | } |
026331c4 | 7821 | |
f7ca38df | 7822 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7823 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 7824 | return -EINVAL; |
b176e629 | 7825 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
7826 | |
7827 | /* | |
7828 | * We should wait on the channel for at least a minimum amount | |
7829 | * of time (10ms) but no longer than the driver supports. | |
7830 | */ | |
b176e629 AO |
7831 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
7832 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc JB |
7833 | return -EINVAL; |
7834 | ||
f7ca38df JB |
7835 | } |
7836 | ||
b176e629 | 7837 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 7838 | |
b176e629 | 7839 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
7840 | return -EINVAL; |
7841 | ||
b176e629 | 7842 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 7843 | |
ea141b75 AQ |
7844 | /* get the channel if any has been specified, otherwise pass NULL to |
7845 | * the driver. The latter will use the current one | |
7846 | */ | |
7847 | chandef.chan = NULL; | |
7848 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
7849 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
7850 | if (err) | |
7851 | return err; | |
7852 | } | |
7853 | ||
b176e629 | 7854 | if (!chandef.chan && params.offchan) |
ea141b75 | 7855 | return -EINVAL; |
026331c4 | 7856 | |
34d22ce2 AO |
7857 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
7858 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
7859 | ||
7860 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
7861 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
7862 | int i; | |
7863 | ||
7864 | if (len % sizeof(u16)) | |
7865 | return -EINVAL; | |
7866 | ||
7867 | params.n_csa_offsets = len / sizeof(u16); | |
7868 | params.csa_offsets = | |
7869 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
7870 | ||
7871 | /* check that all the offsets fit the frame */ | |
7872 | for (i = 0; i < params.n_csa_offsets; i++) { | |
7873 | if (params.csa_offsets[i] >= params.len) | |
7874 | return -EINVAL; | |
7875 | } | |
7876 | } | |
7877 | ||
b176e629 | 7878 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
7879 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
7880 | if (!msg) | |
7881 | return -ENOMEM; | |
026331c4 | 7882 | |
15e47304 | 7883 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7884 | NL80211_CMD_FRAME); |
cb35fba3 DC |
7885 | if (!hdr) { |
7886 | err = -ENOBUFS; | |
e247bd90 JB |
7887 | goto free_msg; |
7888 | } | |
026331c4 | 7889 | } |
e247bd90 | 7890 | |
b176e629 AO |
7891 | params.chan = chandef.chan; |
7892 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
7893 | if (err) |
7894 | goto free_msg; | |
7895 | ||
e247bd90 | 7896 | if (msg) { |
9360ffd1 DM |
7897 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7898 | goto nla_put_failure; | |
026331c4 | 7899 | |
e247bd90 JB |
7900 | genlmsg_end(msg, hdr); |
7901 | return genlmsg_reply(msg, info); | |
7902 | } | |
7903 | ||
7904 | return 0; | |
026331c4 JM |
7905 | |
7906 | nla_put_failure: | |
7907 | err = -ENOBUFS; | |
7908 | free_msg: | |
7909 | nlmsg_free(msg); | |
026331c4 JM |
7910 | return err; |
7911 | } | |
7912 | ||
f7ca38df JB |
7913 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7914 | { | |
7915 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7916 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7917 | u64 cookie; |
7918 | ||
7919 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7920 | return -EINVAL; | |
7921 | ||
7922 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7923 | return -EOPNOTSUPP; | |
7924 | ||
71bbc994 JB |
7925 | switch (wdev->iftype) { |
7926 | case NL80211_IFTYPE_STATION: | |
7927 | case NL80211_IFTYPE_ADHOC: | |
7928 | case NL80211_IFTYPE_P2P_CLIENT: | |
7929 | case NL80211_IFTYPE_AP: | |
7930 | case NL80211_IFTYPE_AP_VLAN: | |
7931 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7932 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7933 | break; |
7934 | default: | |
f7ca38df | 7935 | return -EOPNOTSUPP; |
71bbc994 | 7936 | } |
f7ca38df JB |
7937 | |
7938 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7939 | ||
e35e4d28 | 7940 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7941 | } |
7942 | ||
ffb9eb3d KV |
7943 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7944 | { | |
4c476991 | 7945 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7946 | struct wireless_dev *wdev; |
4c476991 | 7947 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7948 | u8 ps_state; |
7949 | bool state; | |
7950 | int err; | |
7951 | ||
4c476991 JB |
7952 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7953 | return -EINVAL; | |
ffb9eb3d KV |
7954 | |
7955 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7956 | ||
4c476991 JB |
7957 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7958 | return -EINVAL; | |
ffb9eb3d KV |
7959 | |
7960 | wdev = dev->ieee80211_ptr; | |
7961 | ||
4c476991 JB |
7962 | if (!rdev->ops->set_power_mgmt) |
7963 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7964 | |
7965 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7966 | ||
7967 | if (state == wdev->ps) | |
4c476991 | 7968 | return 0; |
ffb9eb3d | 7969 | |
e35e4d28 | 7970 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7971 | if (!err) |
7972 | wdev->ps = state; | |
ffb9eb3d KV |
7973 | return err; |
7974 | } | |
7975 | ||
7976 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7977 | { | |
4c476991 | 7978 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7979 | enum nl80211_ps_state ps_state; |
7980 | struct wireless_dev *wdev; | |
4c476991 | 7981 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7982 | struct sk_buff *msg; |
7983 | void *hdr; | |
7984 | int err; | |
7985 | ||
ffb9eb3d KV |
7986 | wdev = dev->ieee80211_ptr; |
7987 | ||
4c476991 JB |
7988 | if (!rdev->ops->set_power_mgmt) |
7989 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7990 | |
7991 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7992 | if (!msg) |
7993 | return -ENOMEM; | |
ffb9eb3d | 7994 | |
15e47304 | 7995 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
7996 | NL80211_CMD_GET_POWER_SAVE); |
7997 | if (!hdr) { | |
4c476991 | 7998 | err = -ENOBUFS; |
ffb9eb3d KV |
7999 | goto free_msg; |
8000 | } | |
8001 | ||
8002 | if (wdev->ps) | |
8003 | ps_state = NL80211_PS_ENABLED; | |
8004 | else | |
8005 | ps_state = NL80211_PS_DISABLED; | |
8006 | ||
9360ffd1 DM |
8007 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
8008 | goto nla_put_failure; | |
ffb9eb3d KV |
8009 | |
8010 | genlmsg_end(msg, hdr); | |
4c476991 | 8011 | return genlmsg_reply(msg, info); |
ffb9eb3d | 8012 | |
4c476991 | 8013 | nla_put_failure: |
ffb9eb3d | 8014 | err = -ENOBUFS; |
4c476991 | 8015 | free_msg: |
ffb9eb3d | 8016 | nlmsg_free(msg); |
ffb9eb3d KV |
8017 | return err; |
8018 | } | |
8019 | ||
94e860f1 JB |
8020 | static const struct nla_policy |
8021 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
8022 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
8023 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
8024 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
8025 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
8026 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
8027 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
8028 | }; |
8029 | ||
84f10708 | 8030 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 8031 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
8032 | { |
8033 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 8034 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8035 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 8036 | |
d9d8b019 | 8037 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
8038 | return -EINVAL; |
8039 | ||
84f10708 TP |
8040 | if (!rdev->ops->set_cqm_txe_config) |
8041 | return -EOPNOTSUPP; | |
8042 | ||
8043 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
8044 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
8045 | return -EOPNOTSUPP; | |
8046 | ||
e35e4d28 | 8047 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
8048 | } |
8049 | ||
d6dc1a38 JO |
8050 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
8051 | s32 threshold, u32 hysteresis) | |
8052 | { | |
4c476991 | 8053 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 8054 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8055 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
8056 | |
8057 | if (threshold > 0) | |
8058 | return -EINVAL; | |
8059 | ||
1da5fcc8 JB |
8060 | /* disabling - hysteresis should also be zero then */ |
8061 | if (threshold == 0) | |
8062 | hysteresis = 0; | |
d6dc1a38 | 8063 | |
4c476991 JB |
8064 | if (!rdev->ops->set_cqm_rssi_config) |
8065 | return -EOPNOTSUPP; | |
d6dc1a38 | 8066 | |
074ac8df | 8067 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8068 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8069 | return -EOPNOTSUPP; | |
d6dc1a38 | 8070 | |
e35e4d28 | 8071 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
8072 | } |
8073 | ||
8074 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
8075 | { | |
8076 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
8077 | struct nlattr *cqm; | |
8078 | int err; | |
8079 | ||
8080 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
8081 | if (!cqm) |
8082 | return -EINVAL; | |
d6dc1a38 JO |
8083 | |
8084 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
8085 | nl80211_attr_cqm_policy); | |
8086 | if (err) | |
1da5fcc8 | 8087 | return err; |
d6dc1a38 JO |
8088 | |
8089 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
8090 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
8091 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
8092 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 8093 | |
1da5fcc8 JB |
8094 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
8095 | } | |
8096 | ||
8097 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
8098 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
8099 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
8100 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
8101 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
8102 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
8103 | ||
8104 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
8105 | } | |
8106 | ||
8107 | return -EINVAL; | |
d6dc1a38 JO |
8108 | } |
8109 | ||
29cbe68c JB |
8110 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
8111 | { | |
8112 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8113 | struct net_device *dev = info->user_ptr[1]; | |
8114 | struct mesh_config cfg; | |
c80d545d | 8115 | struct mesh_setup setup; |
29cbe68c JB |
8116 | int err; |
8117 | ||
8118 | /* start with default */ | |
8119 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 8120 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 8121 | |
24bdd9f4 | 8122 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 8123 | /* and parse parameters if given */ |
24bdd9f4 | 8124 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
8125 | if (err) |
8126 | return err; | |
8127 | } | |
8128 | ||
8129 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
8130 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
8131 | return -EINVAL; | |
8132 | ||
c80d545d JC |
8133 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
8134 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
8135 | ||
4bb62344 CYY |
8136 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8137 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
8138 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8139 | return -EINVAL; | |
8140 | ||
9bdbf04d MP |
8141 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
8142 | setup.beacon_interval = | |
8143 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
8144 | if (setup.beacon_interval < 10 || | |
8145 | setup.beacon_interval > 10000) | |
8146 | return -EINVAL; | |
8147 | } | |
8148 | ||
8149 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
8150 | setup.dtim_period = | |
8151 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
8152 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
8153 | return -EINVAL; | |
8154 | } | |
8155 | ||
c80d545d JC |
8156 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
8157 | /* parse additional setup parameters if given */ | |
8158 | err = nl80211_parse_mesh_setup(info, &setup); | |
8159 | if (err) | |
8160 | return err; | |
8161 | } | |
8162 | ||
d37bb18a TP |
8163 | if (setup.user_mpm) |
8164 | cfg.auto_open_plinks = false; | |
8165 | ||
cc1d2806 | 8166 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
8167 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
8168 | if (err) | |
8169 | return err; | |
cc1d2806 JB |
8170 | } else { |
8171 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 8172 | setup.chandef.chan = NULL; |
cc1d2806 JB |
8173 | } |
8174 | ||
ffb3cf30 AN |
8175 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8176 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8177 | int n_rates = | |
8178 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8179 | struct ieee80211_supported_band *sband; | |
8180 | ||
8181 | if (!setup.chandef.chan) | |
8182 | return -EINVAL; | |
8183 | ||
8184 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
8185 | ||
8186 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
8187 | &setup.basic_rates); | |
8188 | if (err) | |
8189 | return err; | |
8190 | } | |
8191 | ||
c80d545d | 8192 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
8193 | } |
8194 | ||
8195 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
8196 | { | |
8197 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8198 | struct net_device *dev = info->user_ptr[1]; | |
8199 | ||
8200 | return cfg80211_leave_mesh(rdev, dev); | |
8201 | } | |
8202 | ||
dfb89c56 | 8203 | #ifdef CONFIG_PM |
bb92d199 AK |
8204 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
8205 | struct cfg80211_registered_device *rdev) | |
8206 | { | |
6abb9cb9 | 8207 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
8208 | struct nlattr *nl_pats, *nl_pat; |
8209 | int i, pat_len; | |
8210 | ||
6abb9cb9 | 8211 | if (!wowlan->n_patterns) |
bb92d199 AK |
8212 | return 0; |
8213 | ||
8214 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
8215 | if (!nl_pats) | |
8216 | return -ENOBUFS; | |
8217 | ||
6abb9cb9 | 8218 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
8219 | nl_pat = nla_nest_start(msg, i + 1); |
8220 | if (!nl_pat) | |
8221 | return -ENOBUFS; | |
6abb9cb9 | 8222 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 8223 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 8224 | wowlan->patterns[i].mask) || |
50ac6607 AK |
8225 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
8226 | wowlan->patterns[i].pattern) || | |
8227 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 8228 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
8229 | return -ENOBUFS; |
8230 | nla_nest_end(msg, nl_pat); | |
8231 | } | |
8232 | nla_nest_end(msg, nl_pats); | |
8233 | ||
8234 | return 0; | |
8235 | } | |
8236 | ||
2a0e047e JB |
8237 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
8238 | struct cfg80211_wowlan_tcp *tcp) | |
8239 | { | |
8240 | struct nlattr *nl_tcp; | |
8241 | ||
8242 | if (!tcp) | |
8243 | return 0; | |
8244 | ||
8245 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
8246 | if (!nl_tcp) | |
8247 | return -ENOBUFS; | |
8248 | ||
8249 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
8250 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
8251 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
8252 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
8253 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
8254 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
8255 | tcp->payload_len, tcp->payload) || | |
8256 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
8257 | tcp->data_interval) || | |
8258 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
8259 | tcp->wake_len, tcp->wake_data) || | |
8260 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
8261 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
8262 | return -ENOBUFS; | |
8263 | ||
8264 | if (tcp->payload_seq.len && | |
8265 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
8266 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
8267 | return -ENOBUFS; | |
8268 | ||
8269 | if (tcp->payload_tok.len && | |
8270 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
8271 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
8272 | &tcp->payload_tok)) | |
8273 | return -ENOBUFS; | |
8274 | ||
e248ad30 JB |
8275 | nla_nest_end(msg, nl_tcp); |
8276 | ||
2a0e047e JB |
8277 | return 0; |
8278 | } | |
8279 | ||
ff1b6e69 JB |
8280 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
8281 | { | |
8282 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8283 | struct sk_buff *msg; | |
8284 | void *hdr; | |
2a0e047e | 8285 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 8286 | |
964dc9e2 | 8287 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
8288 | return -EOPNOTSUPP; |
8289 | ||
6abb9cb9 | 8290 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 8291 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
8292 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
8293 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
8294 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
8295 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
8296 | } |
8297 | ||
8298 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
8299 | if (!msg) |
8300 | return -ENOMEM; | |
8301 | ||
15e47304 | 8302 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
8303 | NL80211_CMD_GET_WOWLAN); |
8304 | if (!hdr) | |
8305 | goto nla_put_failure; | |
8306 | ||
6abb9cb9 | 8307 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
8308 | struct nlattr *nl_wowlan; |
8309 | ||
8310 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
8311 | if (!nl_wowlan) | |
8312 | goto nla_put_failure; | |
8313 | ||
6abb9cb9 | 8314 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 8315 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 8316 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 8317 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 8318 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 8319 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 8320 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 8321 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 8322 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 8323 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 8324 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 8325 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 8326 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
8327 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
8328 | goto nla_put_failure; | |
2a0e047e | 8329 | |
bb92d199 AK |
8330 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
8331 | goto nla_put_failure; | |
2a0e047e | 8332 | |
6abb9cb9 JB |
8333 | if (nl80211_send_wowlan_tcp(msg, |
8334 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
8335 | goto nla_put_failure; |
8336 | ||
ff1b6e69 JB |
8337 | nla_nest_end(msg, nl_wowlan); |
8338 | } | |
8339 | ||
8340 | genlmsg_end(msg, hdr); | |
8341 | return genlmsg_reply(msg, info); | |
8342 | ||
8343 | nla_put_failure: | |
8344 | nlmsg_free(msg); | |
8345 | return -ENOBUFS; | |
8346 | } | |
8347 | ||
2a0e047e JB |
8348 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
8349 | struct nlattr *attr, | |
8350 | struct cfg80211_wowlan *trig) | |
8351 | { | |
8352 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
8353 | struct cfg80211_wowlan_tcp *cfg; | |
8354 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
8355 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
8356 | u32 size; | |
8357 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
8358 | int err, port; | |
8359 | ||
964dc9e2 | 8360 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
8361 | return -EINVAL; |
8362 | ||
8363 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
8364 | nla_data(attr), nla_len(attr), | |
8365 | nl80211_wowlan_tcp_policy); | |
8366 | if (err) | |
8367 | return err; | |
8368 | ||
8369 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8370 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8371 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8372 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8373 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8374 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8375 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8376 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8377 | return -EINVAL; | |
8378 | ||
8379 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8380 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8381 | return -EINVAL; |
8382 | ||
8383 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8384 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8385 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8386 | return -EINVAL; |
8387 | ||
8388 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8389 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8390 | return -EINVAL; |
8391 | ||
8392 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8393 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8394 | return -EINVAL; | |
8395 | ||
8396 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8397 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8398 | ||
8399 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8400 | tokens_size = tokln - sizeof(*tok); | |
8401 | ||
8402 | if (!tok->len || tokens_size % tok->len) | |
8403 | return -EINVAL; | |
964dc9e2 | 8404 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8405 | return -EINVAL; |
964dc9e2 | 8406 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8407 | return -EINVAL; |
964dc9e2 | 8408 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8409 | return -EINVAL; |
964dc9e2 | 8410 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8411 | return -EINVAL; |
8412 | if (tok->offset + tok->len > data_size) | |
8413 | return -EINVAL; | |
8414 | } | |
8415 | ||
8416 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8417 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8418 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8419 | return -EINVAL; |
8420 | if (seq->len == 0 || seq->len > 4) | |
8421 | return -EINVAL; | |
8422 | if (seq->len + seq->offset > data_size) | |
8423 | return -EINVAL; | |
8424 | } | |
8425 | ||
8426 | size = sizeof(*cfg); | |
8427 | size += data_size; | |
8428 | size += wake_size + wake_mask_size; | |
8429 | size += tokens_size; | |
8430 | ||
8431 | cfg = kzalloc(size, GFP_KERNEL); | |
8432 | if (!cfg) | |
8433 | return -ENOMEM; | |
8434 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8435 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8436 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8437 | ETH_ALEN); | |
8438 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8439 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8440 | else | |
8441 | port = 0; | |
8442 | #ifdef CONFIG_INET | |
8443 | /* allocate a socket and port for it and use it */ | |
8444 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8445 | IPPROTO_TCP, &cfg->sock, 1); | |
8446 | if (err) { | |
8447 | kfree(cfg); | |
8448 | return err; | |
8449 | } | |
8450 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8451 | sock_release(cfg->sock); | |
8452 | kfree(cfg); | |
8453 | return -EADDRINUSE; | |
8454 | } | |
8455 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8456 | #else | |
8457 | if (!port) { | |
8458 | kfree(cfg); | |
8459 | return -EINVAL; | |
8460 | } | |
8461 | cfg->src_port = port; | |
8462 | #endif | |
8463 | ||
8464 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8465 | cfg->payload_len = data_size; | |
8466 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8467 | memcpy((void *)cfg->payload, | |
8468 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8469 | data_size); | |
8470 | if (seq) | |
8471 | cfg->payload_seq = *seq; | |
8472 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8473 | cfg->wake_len = wake_size; | |
8474 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8475 | memcpy((void *)cfg->wake_data, | |
8476 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8477 | wake_size); | |
8478 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8479 | data_size + wake_size; | |
8480 | memcpy((void *)cfg->wake_mask, | |
8481 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8482 | wake_mask_size); | |
8483 | if (tok) { | |
8484 | cfg->tokens_size = tokens_size; | |
8485 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8486 | } | |
8487 | ||
8488 | trig->tcp = cfg; | |
8489 | ||
8490 | return 0; | |
8491 | } | |
8492 | ||
ff1b6e69 JB |
8493 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8494 | { | |
8495 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8496 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8497 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8498 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8499 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8500 | int err, i; |
6abb9cb9 | 8501 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8502 | |
964dc9e2 | 8503 | if (!wowlan) |
ff1b6e69 JB |
8504 | return -EOPNOTSUPP; |
8505 | ||
ae33bd81 JB |
8506 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8507 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8508 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8509 | goto set_wakeup; |
8510 | } | |
ff1b6e69 JB |
8511 | |
8512 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8513 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8514 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8515 | nl80211_wowlan_policy); | |
8516 | if (err) | |
8517 | return err; | |
8518 | ||
8519 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8520 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8521 | return -EINVAL; | |
8522 | new_triggers.any = true; | |
8523 | } | |
8524 | ||
8525 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8526 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8527 | return -EINVAL; | |
8528 | new_triggers.disconnect = true; | |
8529 | } | |
8530 | ||
8531 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8532 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8533 | return -EINVAL; | |
8534 | new_triggers.magic_pkt = true; | |
8535 | } | |
8536 | ||
77dbbb13 JB |
8537 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8538 | return -EINVAL; | |
8539 | ||
8540 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8541 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8542 | return -EINVAL; | |
8543 | new_triggers.gtk_rekey_failure = true; | |
8544 | } | |
8545 | ||
8546 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8547 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8548 | return -EINVAL; | |
8549 | new_triggers.eap_identity_req = true; | |
8550 | } | |
8551 | ||
8552 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8553 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8554 | return -EINVAL; | |
8555 | new_triggers.four_way_handshake = true; | |
8556 | } | |
8557 | ||
8558 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8559 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8560 | return -EINVAL; | |
8561 | new_triggers.rfkill_release = true; | |
8562 | } | |
8563 | ||
ff1b6e69 JB |
8564 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8565 | struct nlattr *pat; | |
8566 | int n_patterns = 0; | |
bb92d199 | 8567 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8568 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8569 | |
8570 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8571 | rem) | |
8572 | n_patterns++; | |
8573 | if (n_patterns > wowlan->n_patterns) | |
8574 | return -EINVAL; | |
8575 | ||
8576 | new_triggers.patterns = kcalloc(n_patterns, | |
8577 | sizeof(new_triggers.patterns[0]), | |
8578 | GFP_KERNEL); | |
8579 | if (!new_triggers.patterns) | |
8580 | return -ENOMEM; | |
8581 | ||
8582 | new_triggers.n_patterns = n_patterns; | |
8583 | i = 0; | |
8584 | ||
8585 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8586 | rem) { | |
922bd80f JB |
8587 | u8 *mask_pat; |
8588 | ||
50ac6607 AK |
8589 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8590 | nla_len(pat), NULL); | |
ff1b6e69 | 8591 | err = -EINVAL; |
50ac6607 AK |
8592 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8593 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8594 | goto error; |
50ac6607 | 8595 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8596 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8597 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8598 | goto error; |
8599 | if (pat_len > wowlan->pattern_max_len || | |
8600 | pat_len < wowlan->pattern_min_len) | |
8601 | goto error; | |
8602 | ||
50ac6607 | 8603 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8604 | pkt_offset = 0; |
8605 | else | |
8606 | pkt_offset = nla_get_u32( | |
50ac6607 | 8607 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8608 | if (pkt_offset > wowlan->max_pkt_offset) |
8609 | goto error; | |
8610 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8611 | ||
922bd80f JB |
8612 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
8613 | if (!mask_pat) { | |
ff1b6e69 JB |
8614 | err = -ENOMEM; |
8615 | goto error; | |
8616 | } | |
922bd80f JB |
8617 | new_triggers.patterns[i].mask = mask_pat; |
8618 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 8619 | mask_len); |
922bd80f JB |
8620 | mask_pat += mask_len; |
8621 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 8622 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 8623 | memcpy(mask_pat, |
50ac6607 | 8624 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8625 | pat_len); |
8626 | i++; | |
8627 | } | |
8628 | } | |
8629 | ||
2a0e047e JB |
8630 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8631 | err = nl80211_parse_wowlan_tcp( | |
8632 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8633 | &new_triggers); | |
8634 | if (err) | |
8635 | goto error; | |
8636 | } | |
8637 | ||
ae33bd81 JB |
8638 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
8639 | if (!ntrig) { | |
8640 | err = -ENOMEM; | |
8641 | goto error; | |
ff1b6e69 | 8642 | } |
ae33bd81 | 8643 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 8644 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 8645 | |
ae33bd81 | 8646 | set_wakeup: |
6abb9cb9 JB |
8647 | if (rdev->ops->set_wakeup && |
8648 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
8649 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 8650 | |
ff1b6e69 JB |
8651 | return 0; |
8652 | error: | |
8653 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8654 | kfree(new_triggers.patterns[i].mask); | |
8655 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8656 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8657 | sock_release(new_triggers.tcp->sock); | |
8658 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8659 | return err; |
8660 | } | |
dfb89c56 | 8661 | #endif |
ff1b6e69 | 8662 | |
be29b99a AK |
8663 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
8664 | struct cfg80211_registered_device *rdev) | |
8665 | { | |
8666 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
8667 | int i, j, pat_len; | |
8668 | struct cfg80211_coalesce_rules *rule; | |
8669 | ||
8670 | if (!rdev->coalesce->n_rules) | |
8671 | return 0; | |
8672 | ||
8673 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
8674 | if (!nl_rules) | |
8675 | return -ENOBUFS; | |
8676 | ||
8677 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
8678 | nl_rule = nla_nest_start(msg, i + 1); | |
8679 | if (!nl_rule) | |
8680 | return -ENOBUFS; | |
8681 | ||
8682 | rule = &rdev->coalesce->rules[i]; | |
8683 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
8684 | rule->delay)) | |
8685 | return -ENOBUFS; | |
8686 | ||
8687 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
8688 | rule->condition)) | |
8689 | return -ENOBUFS; | |
8690 | ||
8691 | nl_pats = nla_nest_start(msg, | |
8692 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
8693 | if (!nl_pats) | |
8694 | return -ENOBUFS; | |
8695 | ||
8696 | for (j = 0; j < rule->n_patterns; j++) { | |
8697 | nl_pat = nla_nest_start(msg, j + 1); | |
8698 | if (!nl_pat) | |
8699 | return -ENOBUFS; | |
8700 | pat_len = rule->patterns[j].pattern_len; | |
8701 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
8702 | DIV_ROUND_UP(pat_len, 8), | |
8703 | rule->patterns[j].mask) || | |
8704 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
8705 | rule->patterns[j].pattern) || | |
8706 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
8707 | rule->patterns[j].pkt_offset)) | |
8708 | return -ENOBUFS; | |
8709 | nla_nest_end(msg, nl_pat); | |
8710 | } | |
8711 | nla_nest_end(msg, nl_pats); | |
8712 | nla_nest_end(msg, nl_rule); | |
8713 | } | |
8714 | nla_nest_end(msg, nl_rules); | |
8715 | ||
8716 | return 0; | |
8717 | } | |
8718 | ||
8719 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8720 | { | |
8721 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8722 | struct sk_buff *msg; | |
8723 | void *hdr; | |
8724 | ||
8725 | if (!rdev->wiphy.coalesce) | |
8726 | return -EOPNOTSUPP; | |
8727 | ||
8728 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8729 | if (!msg) | |
8730 | return -ENOMEM; | |
8731 | ||
8732 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8733 | NL80211_CMD_GET_COALESCE); | |
8734 | if (!hdr) | |
8735 | goto nla_put_failure; | |
8736 | ||
8737 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
8738 | goto nla_put_failure; | |
8739 | ||
8740 | genlmsg_end(msg, hdr); | |
8741 | return genlmsg_reply(msg, info); | |
8742 | ||
8743 | nla_put_failure: | |
8744 | nlmsg_free(msg); | |
8745 | return -ENOBUFS; | |
8746 | } | |
8747 | ||
8748 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
8749 | { | |
8750 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
8751 | int i, j; | |
8752 | struct cfg80211_coalesce_rules *rule; | |
8753 | ||
8754 | if (!coalesce) | |
8755 | return; | |
8756 | ||
8757 | for (i = 0; i < coalesce->n_rules; i++) { | |
8758 | rule = &coalesce->rules[i]; | |
8759 | for (j = 0; j < rule->n_patterns; j++) | |
8760 | kfree(rule->patterns[j].mask); | |
8761 | kfree(rule->patterns); | |
8762 | } | |
8763 | kfree(coalesce->rules); | |
8764 | kfree(coalesce); | |
8765 | rdev->coalesce = NULL; | |
8766 | } | |
8767 | ||
8768 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
8769 | struct nlattr *rule, | |
8770 | struct cfg80211_coalesce_rules *new_rule) | |
8771 | { | |
8772 | int err, i; | |
8773 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8774 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
8775 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
8776 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
8777 | ||
8778 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
8779 | nla_len(rule), nl80211_coalesce_policy); | |
8780 | if (err) | |
8781 | return err; | |
8782 | ||
8783 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
8784 | new_rule->delay = | |
8785 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
8786 | if (new_rule->delay > coalesce->max_delay) | |
8787 | return -EINVAL; | |
8788 | ||
8789 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
8790 | new_rule->condition = | |
8791 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
8792 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
8793 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
8794 | return -EINVAL; | |
8795 | ||
8796 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
8797 | return -EINVAL; | |
8798 | ||
8799 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8800 | rem) | |
8801 | n_patterns++; | |
8802 | if (n_patterns > coalesce->n_patterns) | |
8803 | return -EINVAL; | |
8804 | ||
8805 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
8806 | GFP_KERNEL); | |
8807 | if (!new_rule->patterns) | |
8808 | return -ENOMEM; | |
8809 | ||
8810 | new_rule->n_patterns = n_patterns; | |
8811 | i = 0; | |
8812 | ||
8813 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8814 | rem) { | |
922bd80f JB |
8815 | u8 *mask_pat; |
8816 | ||
be29b99a AK |
8817 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8818 | nla_len(pat), NULL); | |
8819 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
8820 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
8821 | return -EINVAL; | |
8822 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
8823 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
8824 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
8825 | return -EINVAL; | |
8826 | if (pat_len > coalesce->pattern_max_len || | |
8827 | pat_len < coalesce->pattern_min_len) | |
8828 | return -EINVAL; | |
8829 | ||
8830 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
8831 | pkt_offset = 0; | |
8832 | else | |
8833 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
8834 | if (pkt_offset > coalesce->max_pkt_offset) | |
8835 | return -EINVAL; | |
8836 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
8837 | ||
922bd80f JB |
8838 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
8839 | if (!mask_pat) | |
be29b99a | 8840 | return -ENOMEM; |
922bd80f JB |
8841 | |
8842 | new_rule->patterns[i].mask = mask_pat; | |
8843 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
8844 | mask_len); | |
8845 | ||
8846 | mask_pat += mask_len; | |
8847 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 8848 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
8849 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
8850 | pat_len); | |
be29b99a AK |
8851 | i++; |
8852 | } | |
8853 | ||
8854 | return 0; | |
8855 | } | |
8856 | ||
8857 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8858 | { | |
8859 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8860 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8861 | struct cfg80211_coalesce new_coalesce = {}; | |
8862 | struct cfg80211_coalesce *n_coalesce; | |
8863 | int err, rem_rule, n_rules = 0, i, j; | |
8864 | struct nlattr *rule; | |
8865 | struct cfg80211_coalesce_rules *tmp_rule; | |
8866 | ||
8867 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
8868 | return -EOPNOTSUPP; | |
8869 | ||
8870 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
8871 | cfg80211_rdev_free_coalesce(rdev); | |
8872 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
8873 | return 0; | |
8874 | } | |
8875 | ||
8876 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8877 | rem_rule) | |
8878 | n_rules++; | |
8879 | if (n_rules > coalesce->n_rules) | |
8880 | return -EINVAL; | |
8881 | ||
8882 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
8883 | GFP_KERNEL); | |
8884 | if (!new_coalesce.rules) | |
8885 | return -ENOMEM; | |
8886 | ||
8887 | new_coalesce.n_rules = n_rules; | |
8888 | i = 0; | |
8889 | ||
8890 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8891 | rem_rule) { | |
8892 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
8893 | &new_coalesce.rules[i]); | |
8894 | if (err) | |
8895 | goto error; | |
8896 | ||
8897 | i++; | |
8898 | } | |
8899 | ||
8900 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
8901 | if (err) | |
8902 | goto error; | |
8903 | ||
8904 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
8905 | if (!n_coalesce) { | |
8906 | err = -ENOMEM; | |
8907 | goto error; | |
8908 | } | |
8909 | cfg80211_rdev_free_coalesce(rdev); | |
8910 | rdev->coalesce = n_coalesce; | |
8911 | ||
8912 | return 0; | |
8913 | error: | |
8914 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
8915 | tmp_rule = &new_coalesce.rules[i]; | |
8916 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
8917 | kfree(tmp_rule->patterns[j].mask); | |
8918 | kfree(tmp_rule->patterns); | |
8919 | } | |
8920 | kfree(new_coalesce.rules); | |
8921 | ||
8922 | return err; | |
8923 | } | |
8924 | ||
e5497d76 JB |
8925 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8926 | { | |
8927 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8928 | struct net_device *dev = info->user_ptr[1]; | |
8929 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8930 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8931 | struct cfg80211_gtk_rekey_data rekey_data; | |
8932 | int err; | |
8933 | ||
8934 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8935 | return -EINVAL; | |
8936 | ||
8937 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8938 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8939 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8940 | nl80211_rekey_policy); | |
8941 | if (err) | |
8942 | return err; | |
8943 | ||
8944 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8945 | return -ERANGE; | |
8946 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8947 | return -ERANGE; | |
8948 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8949 | return -ERANGE; | |
8950 | ||
8951 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
8952 | NL80211_KEK_LEN); | |
8953 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
8954 | NL80211_KCK_LEN); | |
8955 | memcpy(rekey_data.replay_ctr, | |
8956 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
8957 | NL80211_REPLAY_CTR_LEN); | |
8958 | ||
8959 | wdev_lock(wdev); | |
8960 | if (!wdev->current_bss) { | |
8961 | err = -ENOTCONN; | |
8962 | goto out; | |
8963 | } | |
8964 | ||
8965 | if (!rdev->ops->set_rekey_data) { | |
8966 | err = -EOPNOTSUPP; | |
8967 | goto out; | |
8968 | } | |
8969 | ||
e35e4d28 | 8970 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8971 | out: |
8972 | wdev_unlock(wdev); | |
8973 | return err; | |
8974 | } | |
8975 | ||
28946da7 JB |
8976 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8977 | struct genl_info *info) | |
8978 | { | |
8979 | struct net_device *dev = info->user_ptr[1]; | |
8980 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8981 | ||
8982 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8983 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8984 | return -EINVAL; | |
8985 | ||
15e47304 | 8986 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
8987 | return -EBUSY; |
8988 | ||
15e47304 | 8989 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
8990 | return 0; |
8991 | } | |
8992 | ||
7f6cf311 JB |
8993 | static int nl80211_probe_client(struct sk_buff *skb, |
8994 | struct genl_info *info) | |
8995 | { | |
8996 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8997 | struct net_device *dev = info->user_ptr[1]; | |
8998 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8999 | struct sk_buff *msg; | |
9000 | void *hdr; | |
9001 | const u8 *addr; | |
9002 | u64 cookie; | |
9003 | int err; | |
9004 | ||
9005 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
9006 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
9007 | return -EOPNOTSUPP; | |
9008 | ||
9009 | if (!info->attrs[NL80211_ATTR_MAC]) | |
9010 | return -EINVAL; | |
9011 | ||
9012 | if (!rdev->ops->probe_client) | |
9013 | return -EOPNOTSUPP; | |
9014 | ||
9015 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9016 | if (!msg) | |
9017 | return -ENOMEM; | |
9018 | ||
15e47304 | 9019 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 9020 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
9021 | if (!hdr) { |
9022 | err = -ENOBUFS; | |
7f6cf311 JB |
9023 | goto free_msg; |
9024 | } | |
9025 | ||
9026 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9027 | ||
e35e4d28 | 9028 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
9029 | if (err) |
9030 | goto free_msg; | |
9031 | ||
9360ffd1 DM |
9032 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
9033 | goto nla_put_failure; | |
7f6cf311 JB |
9034 | |
9035 | genlmsg_end(msg, hdr); | |
9036 | ||
9037 | return genlmsg_reply(msg, info); | |
9038 | ||
9039 | nla_put_failure: | |
9040 | err = -ENOBUFS; | |
9041 | free_msg: | |
9042 | nlmsg_free(msg); | |
9043 | return err; | |
9044 | } | |
9045 | ||
5e760230 JB |
9046 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
9047 | { | |
9048 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
9049 | struct cfg80211_beacon_registration *reg, *nreg; |
9050 | int rv; | |
5e760230 JB |
9051 | |
9052 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
9053 | return -EOPNOTSUPP; | |
9054 | ||
37c73b5f BG |
9055 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
9056 | if (!nreg) | |
9057 | return -ENOMEM; | |
9058 | ||
9059 | /* First, check if already registered. */ | |
9060 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
9061 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
9062 | if (reg->nlportid == info->snd_portid) { | |
9063 | rv = -EALREADY; | |
9064 | goto out_err; | |
9065 | } | |
9066 | } | |
9067 | /* Add it to the list */ | |
9068 | nreg->nlportid = info->snd_portid; | |
9069 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 9070 | |
37c73b5f | 9071 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
9072 | |
9073 | return 0; | |
37c73b5f BG |
9074 | out_err: |
9075 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
9076 | kfree(nreg); | |
9077 | return rv; | |
5e760230 JB |
9078 | } |
9079 | ||
98104fde JB |
9080 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
9081 | { | |
9082 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9083 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9084 | int err; | |
9085 | ||
9086 | if (!rdev->ops->start_p2p_device) | |
9087 | return -EOPNOTSUPP; | |
9088 | ||
9089 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9090 | return -EOPNOTSUPP; | |
9091 | ||
9092 | if (wdev->p2p_started) | |
9093 | return 0; | |
9094 | ||
b6a55015 LC |
9095 | if (rfkill_blocked(rdev->rfkill)) |
9096 | return -ERFKILL; | |
98104fde | 9097 | |
eeb126e9 | 9098 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
9099 | if (err) |
9100 | return err; | |
9101 | ||
9102 | wdev->p2p_started = true; | |
98104fde | 9103 | rdev->opencount++; |
98104fde JB |
9104 | |
9105 | return 0; | |
9106 | } | |
9107 | ||
9108 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
9109 | { | |
9110 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9111 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9112 | ||
9113 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9114 | return -EOPNOTSUPP; | |
9115 | ||
9116 | if (!rdev->ops->stop_p2p_device) | |
9117 | return -EOPNOTSUPP; | |
9118 | ||
f9f47529 | 9119 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
9120 | |
9121 | return 0; | |
9122 | } | |
9123 | ||
3713b4e3 JB |
9124 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
9125 | struct genl_info *info) | |
9126 | { | |
9127 | void *hdr; | |
9128 | struct sk_buff *msg; | |
9129 | ||
9130 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9131 | if (!msg) | |
9132 | return -ENOMEM; | |
9133 | ||
9134 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
9135 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
9136 | if (!hdr) | |
9137 | goto nla_put_failure; | |
9138 | ||
9139 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
9140 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
9141 | goto nla_put_failure; | |
9142 | ||
9143 | genlmsg_end(msg, hdr); | |
9144 | return genlmsg_reply(msg, info); | |
9145 | ||
9146 | nla_put_failure: | |
9147 | kfree_skb(msg); | |
9148 | return -ENOBUFS; | |
9149 | } | |
9150 | ||
355199e0 JM |
9151 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
9152 | { | |
9153 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9154 | struct cfg80211_update_ft_ies_params ft_params; | |
9155 | struct net_device *dev = info->user_ptr[1]; | |
9156 | ||
9157 | if (!rdev->ops->update_ft_ies) | |
9158 | return -EOPNOTSUPP; | |
9159 | ||
9160 | if (!info->attrs[NL80211_ATTR_MDID] || | |
9161 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9162 | return -EINVAL; | |
9163 | ||
9164 | memset(&ft_params, 0, sizeof(ft_params)); | |
9165 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
9166 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9167 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9168 | ||
9169 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
9170 | } | |
9171 | ||
5de17984 AS |
9172 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
9173 | struct genl_info *info) | |
9174 | { | |
9175 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9176 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9177 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
9178 | u16 duration; | |
9179 | int ret; | |
9180 | ||
9181 | if (!rdev->ops->crit_proto_start) | |
9182 | return -EOPNOTSUPP; | |
9183 | ||
9184 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
9185 | return -EINVAL; | |
9186 | ||
9187 | if (rdev->crit_proto_nlportid) | |
9188 | return -EBUSY; | |
9189 | ||
9190 | /* determine protocol if provided */ | |
9191 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
9192 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
9193 | ||
9194 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
9195 | return -EINVAL; | |
9196 | ||
9197 | /* timeout must be provided */ | |
9198 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
9199 | return -EINVAL; | |
9200 | ||
9201 | duration = | |
9202 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
9203 | ||
9204 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
9205 | return -ERANGE; | |
9206 | ||
9207 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
9208 | if (!ret) | |
9209 | rdev->crit_proto_nlportid = info->snd_portid; | |
9210 | ||
9211 | return ret; | |
9212 | } | |
9213 | ||
9214 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
9215 | struct genl_info *info) | |
9216 | { | |
9217 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9218 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9219 | ||
9220 | if (!rdev->ops->crit_proto_stop) | |
9221 | return -EOPNOTSUPP; | |
9222 | ||
9223 | if (rdev->crit_proto_nlportid) { | |
9224 | rdev->crit_proto_nlportid = 0; | |
9225 | rdev_crit_proto_stop(rdev, wdev); | |
9226 | } | |
9227 | return 0; | |
9228 | } | |
9229 | ||
ad7e718c JB |
9230 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
9231 | { | |
9232 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9233 | struct wireless_dev *wdev = | |
9234 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
9235 | int i, err; | |
9236 | u32 vid, subcmd; | |
9237 | ||
9238 | if (!rdev->wiphy.vendor_commands) | |
9239 | return -EOPNOTSUPP; | |
9240 | ||
9241 | if (IS_ERR(wdev)) { | |
9242 | err = PTR_ERR(wdev); | |
9243 | if (err != -EINVAL) | |
9244 | return err; | |
9245 | wdev = NULL; | |
9246 | } else if (wdev->wiphy != &rdev->wiphy) { | |
9247 | return -EINVAL; | |
9248 | } | |
9249 | ||
9250 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
9251 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
9252 | return -EINVAL; | |
9253 | ||
9254 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
9255 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
9256 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
9257 | const struct wiphy_vendor_command *vcmd; | |
9258 | void *data = NULL; | |
9259 | int len = 0; | |
9260 | ||
9261 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
9262 | ||
9263 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
9264 | continue; | |
9265 | ||
9266 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
9267 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
9268 | if (!wdev) | |
9269 | return -EINVAL; | |
9270 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
9271 | !wdev->netdev) | |
9272 | return -EINVAL; | |
9273 | ||
9274 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
9275 | if (wdev->netdev && | |
9276 | !netif_running(wdev->netdev)) | |
9277 | return -ENETDOWN; | |
9278 | if (!wdev->netdev && !wdev->p2p_started) | |
9279 | return -ENETDOWN; | |
9280 | } | |
9281 | } else { | |
9282 | wdev = NULL; | |
9283 | } | |
9284 | ||
9285 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
9286 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9287 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9288 | } | |
9289 | ||
9290 | rdev->cur_cmd_info = info; | |
9291 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
9292 | data, len); | |
9293 | rdev->cur_cmd_info = NULL; | |
9294 | return err; | |
9295 | } | |
9296 | ||
9297 | return -EOPNOTSUPP; | |
9298 | } | |
9299 | ||
9300 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, | |
9301 | enum nl80211_commands cmd, | |
9302 | enum nl80211_attrs attr, | |
9303 | int approxlen) | |
9304 | { | |
f26cbf40 | 9305 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
9306 | |
9307 | if (WARN_ON(!rdev->cur_cmd_info)) | |
9308 | return NULL; | |
9309 | ||
9310 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, | |
9311 | rdev->cur_cmd_info->snd_portid, | |
9312 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 9313 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
9314 | } |
9315 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
9316 | ||
9317 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
9318 | { | |
9319 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
9320 | void *hdr = ((void **)skb->cb)[1]; | |
9321 | struct nlattr *data = ((void **)skb->cb)[2]; | |
9322 | ||
9323 | if (WARN_ON(!rdev->cur_cmd_info)) { | |
9324 | kfree_skb(skb); | |
9325 | return -EINVAL; | |
9326 | } | |
9327 | ||
9328 | nla_nest_end(skb, data); | |
9329 | genlmsg_end(skb, hdr); | |
9330 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
9331 | } | |
9332 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
9333 | ||
9334 | ||
fa9ffc74 KP |
9335 | static int nl80211_set_qos_map(struct sk_buff *skb, |
9336 | struct genl_info *info) | |
9337 | { | |
9338 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9339 | struct cfg80211_qos_map *qos_map = NULL; | |
9340 | struct net_device *dev = info->user_ptr[1]; | |
9341 | u8 *pos, len, num_des, des_len, des; | |
9342 | int ret; | |
9343 | ||
9344 | if (!rdev->ops->set_qos_map) | |
9345 | return -EOPNOTSUPP; | |
9346 | ||
9347 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
9348 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9349 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9350 | ||
9351 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
9352 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
9353 | return -EINVAL; | |
9354 | ||
9355 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
9356 | if (!qos_map) | |
9357 | return -ENOMEM; | |
9358 | ||
9359 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
9360 | if (num_des) { | |
9361 | des_len = num_des * | |
9362 | sizeof(struct cfg80211_dscp_exception); | |
9363 | memcpy(qos_map->dscp_exception, pos, des_len); | |
9364 | qos_map->num_des = num_des; | |
9365 | for (des = 0; des < num_des; des++) { | |
9366 | if (qos_map->dscp_exception[des].up > 7) { | |
9367 | kfree(qos_map); | |
9368 | return -EINVAL; | |
9369 | } | |
9370 | } | |
9371 | pos += des_len; | |
9372 | } | |
9373 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
9374 | } | |
9375 | ||
9376 | wdev_lock(dev->ieee80211_ptr); | |
9377 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
9378 | if (!ret) | |
9379 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
9380 | wdev_unlock(dev->ieee80211_ptr); | |
9381 | ||
9382 | kfree(qos_map); | |
9383 | return ret; | |
9384 | } | |
9385 | ||
4c476991 JB |
9386 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
9387 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
9388 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
9389 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
9390 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
9391 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 9392 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 9393 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
9394 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
9395 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 | 9396 | |
f84f771d | 9397 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9398 | struct genl_info *info) |
9399 | { | |
9400 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 9401 | struct wireless_dev *wdev; |
4c476991 | 9402 | struct net_device *dev; |
4c476991 JB |
9403 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
9404 | ||
9405 | if (rtnl) | |
9406 | rtnl_lock(); | |
9407 | ||
9408 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 9409 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
9410 | if (IS_ERR(rdev)) { |
9411 | if (rtnl) | |
9412 | rtnl_unlock(); | |
9413 | return PTR_ERR(rdev); | |
9414 | } | |
9415 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
9416 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
9417 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
9418 | ASSERT_RTNL(); |
9419 | ||
89a54e48 JB |
9420 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
9421 | info->attrs); | |
9422 | if (IS_ERR(wdev)) { | |
4c476991 JB |
9423 | if (rtnl) |
9424 | rtnl_unlock(); | |
89a54e48 | 9425 | return PTR_ERR(wdev); |
4c476991 | 9426 | } |
89a54e48 | 9427 | |
89a54e48 | 9428 | dev = wdev->netdev; |
f26cbf40 | 9429 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 9430 | |
1bf614ef JB |
9431 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
9432 | if (!dev) { | |
1bf614ef JB |
9433 | if (rtnl) |
9434 | rtnl_unlock(); | |
9435 | return -EINVAL; | |
9436 | } | |
9437 | ||
9438 | info->user_ptr[1] = dev; | |
9439 | } else { | |
9440 | info->user_ptr[1] = wdev; | |
41265714 | 9441 | } |
1bf614ef JB |
9442 | |
9443 | if (dev) { | |
9444 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
9445 | !netif_running(dev)) { | |
1bf614ef JB |
9446 | if (rtnl) |
9447 | rtnl_unlock(); | |
9448 | return -ENETDOWN; | |
9449 | } | |
9450 | ||
9451 | dev_hold(dev); | |
98104fde JB |
9452 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
9453 | if (!wdev->p2p_started) { | |
98104fde JB |
9454 | if (rtnl) |
9455 | rtnl_unlock(); | |
9456 | return -ENETDOWN; | |
9457 | } | |
41265714 | 9458 | } |
89a54e48 | 9459 | |
4c476991 | 9460 | info->user_ptr[0] = rdev; |
4c476991 JB |
9461 | } |
9462 | ||
9463 | return 0; | |
9464 | } | |
9465 | ||
f84f771d | 9466 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9467 | struct genl_info *info) |
9468 | { | |
1bf614ef JB |
9469 | if (info->user_ptr[1]) { |
9470 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
9471 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9472 | ||
9473 | if (wdev->netdev) | |
9474 | dev_put(wdev->netdev); | |
9475 | } else { | |
9476 | dev_put(info->user_ptr[1]); | |
9477 | } | |
9478 | } | |
4c476991 JB |
9479 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
9480 | rtnl_unlock(); | |
9481 | } | |
9482 | ||
4534de83 | 9483 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
9484 | { |
9485 | .cmd = NL80211_CMD_GET_WIPHY, | |
9486 | .doit = nl80211_get_wiphy, | |
9487 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 9488 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
9489 | .policy = nl80211_policy, |
9490 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9491 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9492 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9493 | }, |
9494 | { | |
9495 | .cmd = NL80211_CMD_SET_WIPHY, | |
9496 | .doit = nl80211_set_wiphy, | |
9497 | .policy = nl80211_policy, | |
9498 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 9499 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
9500 | }, |
9501 | { | |
9502 | .cmd = NL80211_CMD_GET_INTERFACE, | |
9503 | .doit = nl80211_get_interface, | |
9504 | .dumpit = nl80211_dump_interface, | |
9505 | .policy = nl80211_policy, | |
9506 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9507 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
9508 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9509 | }, |
9510 | { | |
9511 | .cmd = NL80211_CMD_SET_INTERFACE, | |
9512 | .doit = nl80211_set_interface, | |
9513 | .policy = nl80211_policy, | |
9514 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9515 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9516 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9517 | }, |
9518 | { | |
9519 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
9520 | .doit = nl80211_new_interface, | |
9521 | .policy = nl80211_policy, | |
9522 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9523 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9524 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9525 | }, |
9526 | { | |
9527 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
9528 | .doit = nl80211_del_interface, | |
9529 | .policy = nl80211_policy, | |
41ade00f | 9530 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 9531 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9532 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9533 | }, |
9534 | { | |
9535 | .cmd = NL80211_CMD_GET_KEY, | |
9536 | .doit = nl80211_get_key, | |
9537 | .policy = nl80211_policy, | |
9538 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9539 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9540 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9541 | }, |
9542 | { | |
9543 | .cmd = NL80211_CMD_SET_KEY, | |
9544 | .doit = nl80211_set_key, | |
9545 | .policy = nl80211_policy, | |
9546 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9547 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9548 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9549 | }, |
9550 | { | |
9551 | .cmd = NL80211_CMD_NEW_KEY, | |
9552 | .doit = nl80211_new_key, | |
9553 | .policy = nl80211_policy, | |
9554 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9555 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9556 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9557 | }, |
9558 | { | |
9559 | .cmd = NL80211_CMD_DEL_KEY, | |
9560 | .doit = nl80211_del_key, | |
9561 | .policy = nl80211_policy, | |
55682965 | 9562 | .flags = GENL_ADMIN_PERM, |
41265714 | 9563 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9564 | NL80211_FLAG_NEED_RTNL, |
55682965 | 9565 | }, |
ed1b6cc7 JB |
9566 | { |
9567 | .cmd = NL80211_CMD_SET_BEACON, | |
9568 | .policy = nl80211_policy, | |
9569 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9570 | .doit = nl80211_set_beacon, |
2b5f8b0b | 9571 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9572 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9573 | }, |
9574 | { | |
8860020e | 9575 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
9576 | .policy = nl80211_policy, |
9577 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9578 | .doit = nl80211_start_ap, |
2b5f8b0b | 9579 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9580 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9581 | }, |
9582 | { | |
8860020e | 9583 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
9584 | .policy = nl80211_policy, |
9585 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9586 | .doit = nl80211_stop_ap, |
2b5f8b0b | 9587 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9588 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 9589 | }, |
5727ef1b JB |
9590 | { |
9591 | .cmd = NL80211_CMD_GET_STATION, | |
9592 | .doit = nl80211_get_station, | |
2ec600d6 | 9593 | .dumpit = nl80211_dump_station, |
5727ef1b | 9594 | .policy = nl80211_policy, |
4c476991 JB |
9595 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9596 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
9597 | }, |
9598 | { | |
9599 | .cmd = NL80211_CMD_SET_STATION, | |
9600 | .doit = nl80211_set_station, | |
9601 | .policy = nl80211_policy, | |
9602 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9603 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9604 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9605 | }, |
9606 | { | |
9607 | .cmd = NL80211_CMD_NEW_STATION, | |
9608 | .doit = nl80211_new_station, | |
9609 | .policy = nl80211_policy, | |
9610 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9611 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9612 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9613 | }, |
9614 | { | |
9615 | .cmd = NL80211_CMD_DEL_STATION, | |
9616 | .doit = nl80211_del_station, | |
9617 | .policy = nl80211_policy, | |
2ec600d6 | 9618 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9619 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9620 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9621 | }, |
9622 | { | |
9623 | .cmd = NL80211_CMD_GET_MPATH, | |
9624 | .doit = nl80211_get_mpath, | |
9625 | .dumpit = nl80211_dump_mpath, | |
9626 | .policy = nl80211_policy, | |
9627 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9628 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9629 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9630 | }, |
9631 | { | |
9632 | .cmd = NL80211_CMD_SET_MPATH, | |
9633 | .doit = nl80211_set_mpath, | |
9634 | .policy = nl80211_policy, | |
9635 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9636 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9637 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9638 | }, |
9639 | { | |
9640 | .cmd = NL80211_CMD_NEW_MPATH, | |
9641 | .doit = nl80211_new_mpath, | |
9642 | .policy = nl80211_policy, | |
9643 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9644 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9645 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9646 | }, |
9647 | { | |
9648 | .cmd = NL80211_CMD_DEL_MPATH, | |
9649 | .doit = nl80211_del_mpath, | |
9650 | .policy = nl80211_policy, | |
9f1ba906 | 9651 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9652 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9653 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
9654 | }, |
9655 | { | |
9656 | .cmd = NL80211_CMD_SET_BSS, | |
9657 | .doit = nl80211_set_bss, | |
9658 | .policy = nl80211_policy, | |
b2e1b302 | 9659 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9660 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9661 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 9662 | }, |
f130347c LR |
9663 | { |
9664 | .cmd = NL80211_CMD_GET_REG, | |
9665 | .doit = nl80211_get_reg, | |
9666 | .policy = nl80211_policy, | |
5fe231e8 | 9667 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
9668 | /* can be retrieved by unprivileged users */ |
9669 | }, | |
b2e1b302 LR |
9670 | { |
9671 | .cmd = NL80211_CMD_SET_REG, | |
9672 | .doit = nl80211_set_reg, | |
9673 | .policy = nl80211_policy, | |
9674 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 9675 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
9676 | }, |
9677 | { | |
9678 | .cmd = NL80211_CMD_REQ_SET_REG, | |
9679 | .doit = nl80211_req_set_reg, | |
9680 | .policy = nl80211_policy, | |
93da9cc1 | 9681 | .flags = GENL_ADMIN_PERM, |
9682 | }, | |
9683 | { | |
24bdd9f4 JC |
9684 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
9685 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 9686 | .policy = nl80211_policy, |
9687 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 9688 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9689 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 9690 | }, |
9691 | { | |
24bdd9f4 JC |
9692 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
9693 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 9694 | .policy = nl80211_policy, |
9aed3cc1 | 9695 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 9696 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9697 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 9698 | }, |
2a519311 JB |
9699 | { |
9700 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
9701 | .doit = nl80211_trigger_scan, | |
9702 | .policy = nl80211_policy, | |
9703 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 9704 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9705 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
9706 | }, |
9707 | { | |
9708 | .cmd = NL80211_CMD_GET_SCAN, | |
9709 | .policy = nl80211_policy, | |
9710 | .dumpit = nl80211_dump_scan, | |
9711 | }, | |
807f8a8c LC |
9712 | { |
9713 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
9714 | .doit = nl80211_start_sched_scan, | |
9715 | .policy = nl80211_policy, | |
9716 | .flags = GENL_ADMIN_PERM, | |
9717 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9718 | NL80211_FLAG_NEED_RTNL, | |
9719 | }, | |
9720 | { | |
9721 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
9722 | .doit = nl80211_stop_sched_scan, | |
9723 | .policy = nl80211_policy, | |
9724 | .flags = GENL_ADMIN_PERM, | |
9725 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9726 | NL80211_FLAG_NEED_RTNL, | |
9727 | }, | |
636a5d36 JM |
9728 | { |
9729 | .cmd = NL80211_CMD_AUTHENTICATE, | |
9730 | .doit = nl80211_authenticate, | |
9731 | .policy = nl80211_policy, | |
9732 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9733 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9734 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9735 | }, |
9736 | { | |
9737 | .cmd = NL80211_CMD_ASSOCIATE, | |
9738 | .doit = nl80211_associate, | |
9739 | .policy = nl80211_policy, | |
9740 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9741 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9742 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9743 | }, |
9744 | { | |
9745 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
9746 | .doit = nl80211_deauthenticate, | |
9747 | .policy = nl80211_policy, | |
9748 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9749 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9750 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9751 | }, |
9752 | { | |
9753 | .cmd = NL80211_CMD_DISASSOCIATE, | |
9754 | .doit = nl80211_disassociate, | |
9755 | .policy = nl80211_policy, | |
9756 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9757 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9758 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 9759 | }, |
04a773ad JB |
9760 | { |
9761 | .cmd = NL80211_CMD_JOIN_IBSS, | |
9762 | .doit = nl80211_join_ibss, | |
9763 | .policy = nl80211_policy, | |
9764 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9765 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9766 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
9767 | }, |
9768 | { | |
9769 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
9770 | .doit = nl80211_leave_ibss, | |
9771 | .policy = nl80211_policy, | |
9772 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9773 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9774 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 9775 | }, |
aff89a9b JB |
9776 | #ifdef CONFIG_NL80211_TESTMODE |
9777 | { | |
9778 | .cmd = NL80211_CMD_TESTMODE, | |
9779 | .doit = nl80211_testmode_do, | |
71063f0e | 9780 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
9781 | .policy = nl80211_policy, |
9782 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9783 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9784 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
9785 | }, |
9786 | #endif | |
b23aa676 SO |
9787 | { |
9788 | .cmd = NL80211_CMD_CONNECT, | |
9789 | .doit = nl80211_connect, | |
9790 | .policy = nl80211_policy, | |
9791 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9792 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9793 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
9794 | }, |
9795 | { | |
9796 | .cmd = NL80211_CMD_DISCONNECT, | |
9797 | .doit = nl80211_disconnect, | |
9798 | .policy = nl80211_policy, | |
9799 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9800 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9801 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 9802 | }, |
463d0183 JB |
9803 | { |
9804 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
9805 | .doit = nl80211_wiphy_netns, | |
9806 | .policy = nl80211_policy, | |
9807 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9808 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9809 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 9810 | }, |
61fa713c HS |
9811 | { |
9812 | .cmd = NL80211_CMD_GET_SURVEY, | |
9813 | .policy = nl80211_policy, | |
9814 | .dumpit = nl80211_dump_survey, | |
9815 | }, | |
67fbb16b SO |
9816 | { |
9817 | .cmd = NL80211_CMD_SET_PMKSA, | |
9818 | .doit = nl80211_setdel_pmksa, | |
9819 | .policy = nl80211_policy, | |
9820 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9821 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9822 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9823 | }, |
9824 | { | |
9825 | .cmd = NL80211_CMD_DEL_PMKSA, | |
9826 | .doit = nl80211_setdel_pmksa, | |
9827 | .policy = nl80211_policy, | |
9828 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9829 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9830 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9831 | }, |
9832 | { | |
9833 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
9834 | .doit = nl80211_flush_pmksa, | |
9835 | .policy = nl80211_policy, | |
9836 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9837 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9838 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 9839 | }, |
9588bbd5 JM |
9840 | { |
9841 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
9842 | .doit = nl80211_remain_on_channel, | |
9843 | .policy = nl80211_policy, | |
9844 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9845 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9846 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
9847 | }, |
9848 | { | |
9849 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
9850 | .doit = nl80211_cancel_remain_on_channel, | |
9851 | .policy = nl80211_policy, | |
9852 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9853 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9854 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 9855 | }, |
13ae75b1 JM |
9856 | { |
9857 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
9858 | .doit = nl80211_set_tx_bitrate_mask, | |
9859 | .policy = nl80211_policy, | |
9860 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9861 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9862 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 9863 | }, |
026331c4 | 9864 | { |
2e161f78 JB |
9865 | .cmd = NL80211_CMD_REGISTER_FRAME, |
9866 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
9867 | .policy = nl80211_policy, |
9868 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9869 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9870 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
9871 | }, |
9872 | { | |
2e161f78 JB |
9873 | .cmd = NL80211_CMD_FRAME, |
9874 | .doit = nl80211_tx_mgmt, | |
026331c4 | 9875 | .policy = nl80211_policy, |
f7ca38df | 9876 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9877 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
9878 | NL80211_FLAG_NEED_RTNL, |
9879 | }, | |
9880 | { | |
9881 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
9882 | .doit = nl80211_tx_mgmt_cancel_wait, | |
9883 | .policy = nl80211_policy, | |
026331c4 | 9884 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9885 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9886 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 9887 | }, |
ffb9eb3d KV |
9888 | { |
9889 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
9890 | .doit = nl80211_set_power_save, | |
9891 | .policy = nl80211_policy, | |
9892 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9893 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9894 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
9895 | }, |
9896 | { | |
9897 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
9898 | .doit = nl80211_get_power_save, | |
9899 | .policy = nl80211_policy, | |
9900 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
9901 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9902 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 9903 | }, |
d6dc1a38 JO |
9904 | { |
9905 | .cmd = NL80211_CMD_SET_CQM, | |
9906 | .doit = nl80211_set_cqm, | |
9907 | .policy = nl80211_policy, | |
9908 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9909 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9910 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 9911 | }, |
f444de05 JB |
9912 | { |
9913 | .cmd = NL80211_CMD_SET_CHANNEL, | |
9914 | .doit = nl80211_set_channel, | |
9915 | .policy = nl80211_policy, | |
9916 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9917 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9918 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 9919 | }, |
e8347eba BJ |
9920 | { |
9921 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
9922 | .doit = nl80211_set_wds_peer, | |
9923 | .policy = nl80211_policy, | |
9924 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
9925 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9926 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 9927 | }, |
29cbe68c JB |
9928 | { |
9929 | .cmd = NL80211_CMD_JOIN_MESH, | |
9930 | .doit = nl80211_join_mesh, | |
9931 | .policy = nl80211_policy, | |
9932 | .flags = GENL_ADMIN_PERM, | |
9933 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9934 | NL80211_FLAG_NEED_RTNL, | |
9935 | }, | |
9936 | { | |
9937 | .cmd = NL80211_CMD_LEAVE_MESH, | |
9938 | .doit = nl80211_leave_mesh, | |
9939 | .policy = nl80211_policy, | |
9940 | .flags = GENL_ADMIN_PERM, | |
9941 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9942 | NL80211_FLAG_NEED_RTNL, | |
9943 | }, | |
dfb89c56 | 9944 | #ifdef CONFIG_PM |
ff1b6e69 JB |
9945 | { |
9946 | .cmd = NL80211_CMD_GET_WOWLAN, | |
9947 | .doit = nl80211_get_wowlan, | |
9948 | .policy = nl80211_policy, | |
9949 | /* can be retrieved by unprivileged users */ | |
9950 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9951 | NL80211_FLAG_NEED_RTNL, | |
9952 | }, | |
9953 | { | |
9954 | .cmd = NL80211_CMD_SET_WOWLAN, | |
9955 | .doit = nl80211_set_wowlan, | |
9956 | .policy = nl80211_policy, | |
9957 | .flags = GENL_ADMIN_PERM, | |
9958 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9959 | NL80211_FLAG_NEED_RTNL, | |
9960 | }, | |
dfb89c56 | 9961 | #endif |
e5497d76 JB |
9962 | { |
9963 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
9964 | .doit = nl80211_set_rekey_data, | |
9965 | .policy = nl80211_policy, | |
9966 | .flags = GENL_ADMIN_PERM, | |
9967 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9968 | NL80211_FLAG_NEED_RTNL, | |
9969 | }, | |
109086ce AN |
9970 | { |
9971 | .cmd = NL80211_CMD_TDLS_MGMT, | |
9972 | .doit = nl80211_tdls_mgmt, | |
9973 | .policy = nl80211_policy, | |
9974 | .flags = GENL_ADMIN_PERM, | |
9975 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9976 | NL80211_FLAG_NEED_RTNL, | |
9977 | }, | |
9978 | { | |
9979 | .cmd = NL80211_CMD_TDLS_OPER, | |
9980 | .doit = nl80211_tdls_oper, | |
9981 | .policy = nl80211_policy, | |
9982 | .flags = GENL_ADMIN_PERM, | |
9983 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9984 | NL80211_FLAG_NEED_RTNL, | |
9985 | }, | |
28946da7 JB |
9986 | { |
9987 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
9988 | .doit = nl80211_register_unexpected_frame, | |
9989 | .policy = nl80211_policy, | |
9990 | .flags = GENL_ADMIN_PERM, | |
9991 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9992 | NL80211_FLAG_NEED_RTNL, | |
9993 | }, | |
7f6cf311 JB |
9994 | { |
9995 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
9996 | .doit = nl80211_probe_client, | |
9997 | .policy = nl80211_policy, | |
9998 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9999 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
10000 | NL80211_FLAG_NEED_RTNL, |
10001 | }, | |
5e760230 JB |
10002 | { |
10003 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
10004 | .doit = nl80211_register_beacons, | |
10005 | .policy = nl80211_policy, | |
10006 | .flags = GENL_ADMIN_PERM, | |
10007 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10008 | NL80211_FLAG_NEED_RTNL, | |
10009 | }, | |
1d9d9213 SW |
10010 | { |
10011 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
10012 | .doit = nl80211_set_noack_map, | |
10013 | .policy = nl80211_policy, | |
10014 | .flags = GENL_ADMIN_PERM, | |
10015 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10016 | NL80211_FLAG_NEED_RTNL, | |
10017 | }, | |
98104fde JB |
10018 | { |
10019 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
10020 | .doit = nl80211_start_p2p_device, | |
10021 | .policy = nl80211_policy, | |
10022 | .flags = GENL_ADMIN_PERM, | |
10023 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
10024 | NL80211_FLAG_NEED_RTNL, | |
10025 | }, | |
10026 | { | |
10027 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
10028 | .doit = nl80211_stop_p2p_device, | |
10029 | .policy = nl80211_policy, | |
10030 | .flags = GENL_ADMIN_PERM, | |
10031 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10032 | NL80211_FLAG_NEED_RTNL, | |
10033 | }, | |
f4e583c8 AQ |
10034 | { |
10035 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
10036 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
10037 | .policy = nl80211_policy, |
10038 | .flags = GENL_ADMIN_PERM, | |
10039 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10040 | NL80211_FLAG_NEED_RTNL, | |
10041 | }, | |
10042 | { | |
10043 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
10044 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
10045 | .policy = nl80211_policy, |
10046 | .flags = GENL_ADMIN_PERM, | |
10047 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10048 | NL80211_FLAG_NEED_RTNL, | |
10049 | }, | |
04f39047 SW |
10050 | { |
10051 | .cmd = NL80211_CMD_RADAR_DETECT, | |
10052 | .doit = nl80211_start_radar_detection, | |
10053 | .policy = nl80211_policy, | |
10054 | .flags = GENL_ADMIN_PERM, | |
10055 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10056 | NL80211_FLAG_NEED_RTNL, | |
10057 | }, | |
3713b4e3 JB |
10058 | { |
10059 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
10060 | .doit = nl80211_get_protocol_features, | |
10061 | .policy = nl80211_policy, | |
10062 | }, | |
355199e0 JM |
10063 | { |
10064 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
10065 | .doit = nl80211_update_ft_ies, | |
10066 | .policy = nl80211_policy, | |
10067 | .flags = GENL_ADMIN_PERM, | |
10068 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10069 | NL80211_FLAG_NEED_RTNL, | |
10070 | }, | |
5de17984 AS |
10071 | { |
10072 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
10073 | .doit = nl80211_crit_protocol_start, | |
10074 | .policy = nl80211_policy, | |
10075 | .flags = GENL_ADMIN_PERM, | |
10076 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10077 | NL80211_FLAG_NEED_RTNL, | |
10078 | }, | |
10079 | { | |
10080 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
10081 | .doit = nl80211_crit_protocol_stop, | |
10082 | .policy = nl80211_policy, | |
10083 | .flags = GENL_ADMIN_PERM, | |
10084 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10085 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
10086 | }, |
10087 | { | |
10088 | .cmd = NL80211_CMD_GET_COALESCE, | |
10089 | .doit = nl80211_get_coalesce, | |
10090 | .policy = nl80211_policy, | |
10091 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10092 | NL80211_FLAG_NEED_RTNL, | |
10093 | }, | |
10094 | { | |
10095 | .cmd = NL80211_CMD_SET_COALESCE, | |
10096 | .doit = nl80211_set_coalesce, | |
10097 | .policy = nl80211_policy, | |
10098 | .flags = GENL_ADMIN_PERM, | |
10099 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10100 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
10101 | }, |
10102 | { | |
10103 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
10104 | .doit = nl80211_channel_switch, | |
10105 | .policy = nl80211_policy, | |
10106 | .flags = GENL_ADMIN_PERM, | |
10107 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10108 | NL80211_FLAG_NEED_RTNL, | |
10109 | }, | |
ad7e718c JB |
10110 | { |
10111 | .cmd = NL80211_CMD_VENDOR, | |
10112 | .doit = nl80211_vendor_cmd, | |
10113 | .policy = nl80211_policy, | |
10114 | .flags = GENL_ADMIN_PERM, | |
10115 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10116 | NL80211_FLAG_NEED_RTNL, | |
10117 | }, | |
fa9ffc74 KP |
10118 | { |
10119 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
10120 | .doit = nl80211_set_qos_map, | |
10121 | .policy = nl80211_policy, | |
10122 | .flags = GENL_ADMIN_PERM, | |
10123 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10124 | NL80211_FLAG_NEED_RTNL, | |
10125 | }, | |
55682965 | 10126 | }; |
9588bbd5 | 10127 | |
55682965 JB |
10128 | /* notification functions */ |
10129 | ||
3bb20556 JB |
10130 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
10131 | enum nl80211_commands cmd) | |
55682965 JB |
10132 | { |
10133 | struct sk_buff *msg; | |
86e8cf98 | 10134 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 10135 | |
3bb20556 JB |
10136 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
10137 | cmd != NL80211_CMD_DEL_WIPHY); | |
10138 | ||
fd2120ca | 10139 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
10140 | if (!msg) |
10141 | return; | |
10142 | ||
3bb20556 | 10143 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
10144 | nlmsg_free(msg); |
10145 | return; | |
10146 | } | |
10147 | ||
68eb5503 | 10148 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10149 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
10150 | } |
10151 | ||
362a415d JB |
10152 | static int nl80211_add_scan_req(struct sk_buff *msg, |
10153 | struct cfg80211_registered_device *rdev) | |
10154 | { | |
10155 | struct cfg80211_scan_request *req = rdev->scan_req; | |
10156 | struct nlattr *nest; | |
10157 | int i; | |
10158 | ||
10159 | if (WARN_ON(!req)) | |
10160 | return 0; | |
10161 | ||
10162 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
10163 | if (!nest) | |
10164 | goto nla_put_failure; | |
9360ffd1 DM |
10165 | for (i = 0; i < req->n_ssids; i++) { |
10166 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
10167 | goto nla_put_failure; | |
10168 | } | |
362a415d JB |
10169 | nla_nest_end(msg, nest); |
10170 | ||
10171 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
10172 | if (!nest) | |
10173 | goto nla_put_failure; | |
9360ffd1 DM |
10174 | for (i = 0; i < req->n_channels; i++) { |
10175 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
10176 | goto nla_put_failure; | |
10177 | } | |
362a415d JB |
10178 | nla_nest_end(msg, nest); |
10179 | ||
9360ffd1 DM |
10180 | if (req->ie && |
10181 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
10182 | goto nla_put_failure; | |
362a415d | 10183 | |
ae917c9f JB |
10184 | if (req->flags && |
10185 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
10186 | goto nla_put_failure; | |
ed473771 | 10187 | |
362a415d JB |
10188 | return 0; |
10189 | nla_put_failure: | |
10190 | return -ENOBUFS; | |
10191 | } | |
10192 | ||
a538e2d5 JB |
10193 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
10194 | struct cfg80211_registered_device *rdev, | |
fd014284 | 10195 | struct wireless_dev *wdev, |
15e47304 | 10196 | u32 portid, u32 seq, int flags, |
a538e2d5 | 10197 | u32 cmd) |
2a519311 JB |
10198 | { |
10199 | void *hdr; | |
10200 | ||
15e47304 | 10201 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
10202 | if (!hdr) |
10203 | return -1; | |
10204 | ||
9360ffd1 | 10205 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
10206 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10207 | wdev->netdev->ifindex)) || | |
10208 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 10209 | goto nla_put_failure; |
2a519311 | 10210 | |
362a415d JB |
10211 | /* ignore errors and send incomplete event anyway */ |
10212 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
10213 | |
10214 | return genlmsg_end(msg, hdr); | |
10215 | ||
10216 | nla_put_failure: | |
10217 | genlmsg_cancel(msg, hdr); | |
10218 | return -EMSGSIZE; | |
10219 | } | |
10220 | ||
807f8a8c LC |
10221 | static int |
10222 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
10223 | struct cfg80211_registered_device *rdev, | |
10224 | struct net_device *netdev, | |
15e47304 | 10225 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
10226 | { |
10227 | void *hdr; | |
10228 | ||
15e47304 | 10229 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
10230 | if (!hdr) |
10231 | return -1; | |
10232 | ||
9360ffd1 DM |
10233 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10234 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10235 | goto nla_put_failure; | |
807f8a8c LC |
10236 | |
10237 | return genlmsg_end(msg, hdr); | |
10238 | ||
10239 | nla_put_failure: | |
10240 | genlmsg_cancel(msg, hdr); | |
10241 | return -EMSGSIZE; | |
10242 | } | |
10243 | ||
a538e2d5 | 10244 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 10245 | struct wireless_dev *wdev) |
a538e2d5 JB |
10246 | { |
10247 | struct sk_buff *msg; | |
10248 | ||
58050fce | 10249 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
10250 | if (!msg) |
10251 | return; | |
10252 | ||
fd014284 | 10253 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
10254 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
10255 | nlmsg_free(msg); | |
10256 | return; | |
10257 | } | |
10258 | ||
68eb5503 | 10259 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10260 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
10261 | } |
10262 | ||
f9d15d16 JB |
10263 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
10264 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
10265 | { |
10266 | struct sk_buff *msg; | |
10267 | ||
fd2120ca | 10268 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 10269 | if (!msg) |
f9d15d16 | 10270 | return NULL; |
2a519311 | 10271 | |
fd014284 | 10272 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
10273 | aborted ? NL80211_CMD_SCAN_ABORTED : |
10274 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 10275 | nlmsg_free(msg); |
f9d15d16 | 10276 | return NULL; |
2a519311 JB |
10277 | } |
10278 | ||
f9d15d16 | 10279 | return msg; |
2a519311 JB |
10280 | } |
10281 | ||
f9d15d16 JB |
10282 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
10283 | struct sk_buff *msg) | |
2a519311 | 10284 | { |
2a519311 JB |
10285 | if (!msg) |
10286 | return; | |
10287 | ||
68eb5503 | 10288 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10289 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
10290 | } |
10291 | ||
807f8a8c LC |
10292 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
10293 | struct net_device *netdev) | |
10294 | { | |
10295 | struct sk_buff *msg; | |
10296 | ||
10297 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10298 | if (!msg) | |
10299 | return; | |
10300 | ||
10301 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
10302 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
10303 | nlmsg_free(msg); | |
10304 | return; | |
10305 | } | |
10306 | ||
68eb5503 | 10307 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10308 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10309 | } |
10310 | ||
10311 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
10312 | struct net_device *netdev, u32 cmd) | |
10313 | { | |
10314 | struct sk_buff *msg; | |
10315 | ||
58050fce | 10316 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
10317 | if (!msg) |
10318 | return; | |
10319 | ||
10320 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
10321 | nlmsg_free(msg); | |
10322 | return; | |
10323 | } | |
10324 | ||
68eb5503 | 10325 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10326 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10327 | } |
10328 | ||
73d54c9e LR |
10329 | /* |
10330 | * This can happen on global regulatory changes or device specific settings | |
10331 | * based on custom world regulatory domains. | |
10332 | */ | |
10333 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
10334 | { | |
10335 | struct sk_buff *msg; | |
10336 | void *hdr; | |
10337 | ||
fd2120ca | 10338 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
10339 | if (!msg) |
10340 | return; | |
10341 | ||
10342 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
10343 | if (!hdr) { | |
10344 | nlmsg_free(msg); | |
10345 | return; | |
10346 | } | |
10347 | ||
10348 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
10349 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
10350 | goto nla_put_failure; | |
10351 | ||
10352 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
10353 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10354 | NL80211_REGDOM_TYPE_WORLD)) | |
10355 | goto nla_put_failure; | |
10356 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
10357 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10358 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
10359 | goto nla_put_failure; | |
10360 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
10361 | request->intersect) { | |
10362 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10363 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
10364 | goto nla_put_failure; | |
10365 | } else { | |
10366 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10367 | NL80211_REGDOM_TYPE_COUNTRY) || | |
10368 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
10369 | request->alpha2)) | |
10370 | goto nla_put_failure; | |
10371 | } | |
10372 | ||
f4173766 | 10373 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
10374 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
10375 | goto nla_put_failure; | |
73d54c9e | 10376 | |
3b7b72ee | 10377 | genlmsg_end(msg, hdr); |
73d54c9e | 10378 | |
bc43b28c | 10379 | rcu_read_lock(); |
68eb5503 | 10380 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10381 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 10382 | rcu_read_unlock(); |
73d54c9e LR |
10383 | |
10384 | return; | |
10385 | ||
10386 | nla_put_failure: | |
10387 | genlmsg_cancel(msg, hdr); | |
10388 | nlmsg_free(msg); | |
10389 | } | |
10390 | ||
6039f6d2 JM |
10391 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
10392 | struct net_device *netdev, | |
10393 | const u8 *buf, size_t len, | |
e6d6e342 | 10394 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
10395 | { |
10396 | struct sk_buff *msg; | |
10397 | void *hdr; | |
10398 | ||
e6d6e342 | 10399 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
10400 | if (!msg) |
10401 | return; | |
10402 | ||
10403 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10404 | if (!hdr) { | |
10405 | nlmsg_free(msg); | |
10406 | return; | |
10407 | } | |
10408 | ||
9360ffd1 DM |
10409 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10410 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10411 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
10412 | goto nla_put_failure; | |
6039f6d2 | 10413 | |
3b7b72ee | 10414 | genlmsg_end(msg, hdr); |
6039f6d2 | 10415 | |
68eb5503 | 10416 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10417 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
10418 | return; |
10419 | ||
10420 | nla_put_failure: | |
10421 | genlmsg_cancel(msg, hdr); | |
10422 | nlmsg_free(msg); | |
10423 | } | |
10424 | ||
10425 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10426 | struct net_device *netdev, const u8 *buf, |
10427 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10428 | { |
10429 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10430 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
10431 | } |
10432 | ||
10433 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
10434 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 10435 | size_t len, gfp_t gfp) |
6039f6d2 | 10436 | { |
e6d6e342 JB |
10437 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
10438 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
10439 | } |
10440 | ||
53b46b84 | 10441 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
10442 | struct net_device *netdev, const u8 *buf, |
10443 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10444 | { |
10445 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10446 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
10447 | } |
10448 | ||
53b46b84 JM |
10449 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
10450 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 10451 | size_t len, gfp_t gfp) |
6039f6d2 JM |
10452 | { |
10453 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10454 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
10455 | } |
10456 | ||
6ff57cf8 JB |
10457 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
10458 | size_t len) | |
cf4e594e | 10459 | { |
947add36 JB |
10460 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10461 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 10462 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
10463 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
10464 | u32 cmd; | |
947add36 | 10465 | |
6ff57cf8 JB |
10466 | if (WARN_ON(len < 2)) |
10467 | return; | |
cf4e594e | 10468 | |
6ff57cf8 JB |
10469 | if (ieee80211_is_deauth(mgmt->frame_control)) |
10470 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
10471 | else | |
10472 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 10473 | |
6ff57cf8 JB |
10474 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
10475 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC); | |
cf4e594e | 10476 | } |
6ff57cf8 | 10477 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 10478 | |
1b06bb40 LR |
10479 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
10480 | struct net_device *netdev, int cmd, | |
e6d6e342 | 10481 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
10482 | { |
10483 | struct sk_buff *msg; | |
10484 | void *hdr; | |
10485 | ||
e6d6e342 | 10486 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
10487 | if (!msg) |
10488 | return; | |
10489 | ||
10490 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10491 | if (!hdr) { | |
10492 | nlmsg_free(msg); | |
10493 | return; | |
10494 | } | |
10495 | ||
9360ffd1 DM |
10496 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10497 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10498 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
10499 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10500 | goto nla_put_failure; | |
1965c853 | 10501 | |
3b7b72ee | 10502 | genlmsg_end(msg, hdr); |
1965c853 | 10503 | |
68eb5503 | 10504 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10505 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
10506 | return; |
10507 | ||
10508 | nla_put_failure: | |
10509 | genlmsg_cancel(msg, hdr); | |
10510 | nlmsg_free(msg); | |
10511 | } | |
10512 | ||
10513 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10514 | struct net_device *netdev, const u8 *addr, |
10515 | gfp_t gfp) | |
1965c853 JM |
10516 | { |
10517 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 10518 | addr, gfp); |
1965c853 JM |
10519 | } |
10520 | ||
10521 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10522 | struct net_device *netdev, const u8 *addr, |
10523 | gfp_t gfp) | |
1965c853 | 10524 | { |
e6d6e342 JB |
10525 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
10526 | addr, gfp); | |
1965c853 JM |
10527 | } |
10528 | ||
b23aa676 SO |
10529 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
10530 | struct net_device *netdev, const u8 *bssid, | |
10531 | const u8 *req_ie, size_t req_ie_len, | |
10532 | const u8 *resp_ie, size_t resp_ie_len, | |
10533 | u16 status, gfp_t gfp) | |
10534 | { | |
10535 | struct sk_buff *msg; | |
10536 | void *hdr; | |
10537 | ||
58050fce | 10538 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10539 | if (!msg) |
10540 | return; | |
10541 | ||
10542 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
10543 | if (!hdr) { | |
10544 | nlmsg_free(msg); | |
10545 | return; | |
10546 | } | |
10547 | ||
9360ffd1 DM |
10548 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10549 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10550 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
10551 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
10552 | (req_ie && | |
10553 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10554 | (resp_ie && | |
10555 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10556 | goto nla_put_failure; | |
b23aa676 | 10557 | |
3b7b72ee | 10558 | genlmsg_end(msg, hdr); |
b23aa676 | 10559 | |
68eb5503 | 10560 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10561 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10562 | return; |
10563 | ||
10564 | nla_put_failure: | |
10565 | genlmsg_cancel(msg, hdr); | |
10566 | nlmsg_free(msg); | |
10567 | ||
10568 | } | |
10569 | ||
10570 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
10571 | struct net_device *netdev, const u8 *bssid, | |
10572 | const u8 *req_ie, size_t req_ie_len, | |
10573 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
10574 | { | |
10575 | struct sk_buff *msg; | |
10576 | void *hdr; | |
10577 | ||
58050fce | 10578 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10579 | if (!msg) |
10580 | return; | |
10581 | ||
10582 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
10583 | if (!hdr) { | |
10584 | nlmsg_free(msg); | |
10585 | return; | |
10586 | } | |
10587 | ||
9360ffd1 DM |
10588 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10589 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10590 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
10591 | (req_ie && | |
10592 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10593 | (resp_ie && | |
10594 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10595 | goto nla_put_failure; | |
b23aa676 | 10596 | |
3b7b72ee | 10597 | genlmsg_end(msg, hdr); |
b23aa676 | 10598 | |
68eb5503 | 10599 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10600 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10601 | return; |
10602 | ||
10603 | nla_put_failure: | |
10604 | genlmsg_cancel(msg, hdr); | |
10605 | nlmsg_free(msg); | |
10606 | ||
10607 | } | |
10608 | ||
10609 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
10610 | struct net_device *netdev, u16 reason, | |
667503dd | 10611 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
10612 | { |
10613 | struct sk_buff *msg; | |
10614 | void *hdr; | |
10615 | ||
58050fce | 10616 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
10617 | if (!msg) |
10618 | return; | |
10619 | ||
10620 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
10621 | if (!hdr) { | |
10622 | nlmsg_free(msg); | |
10623 | return; | |
10624 | } | |
10625 | ||
9360ffd1 DM |
10626 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10627 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10628 | (from_ap && reason && | |
10629 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
10630 | (from_ap && | |
10631 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
10632 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
10633 | goto nla_put_failure; | |
b23aa676 | 10634 | |
3b7b72ee | 10635 | genlmsg_end(msg, hdr); |
b23aa676 | 10636 | |
68eb5503 | 10637 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10638 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
10639 | return; |
10640 | ||
10641 | nla_put_failure: | |
10642 | genlmsg_cancel(msg, hdr); | |
10643 | nlmsg_free(msg); | |
10644 | ||
10645 | } | |
10646 | ||
04a773ad JB |
10647 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
10648 | struct net_device *netdev, const u8 *bssid, | |
10649 | gfp_t gfp) | |
10650 | { | |
10651 | struct sk_buff *msg; | |
10652 | void *hdr; | |
10653 | ||
fd2120ca | 10654 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
10655 | if (!msg) |
10656 | return; | |
10657 | ||
10658 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
10659 | if (!hdr) { | |
10660 | nlmsg_free(msg); | |
10661 | return; | |
10662 | } | |
10663 | ||
9360ffd1 DM |
10664 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10665 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10666 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10667 | goto nla_put_failure; | |
04a773ad | 10668 | |
3b7b72ee | 10669 | genlmsg_end(msg, hdr); |
04a773ad | 10670 | |
68eb5503 | 10671 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10672 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
10673 | return; |
10674 | ||
10675 | nla_put_failure: | |
10676 | genlmsg_cancel(msg, hdr); | |
10677 | nlmsg_free(msg); | |
10678 | } | |
10679 | ||
947add36 JB |
10680 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
10681 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 10682 | { |
947add36 | 10683 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 10684 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
10685 | struct sk_buff *msg; |
10686 | void *hdr; | |
10687 | ||
947add36 JB |
10688 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
10689 | return; | |
10690 | ||
10691 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
10692 | ||
c93b5e71 JC |
10693 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10694 | if (!msg) | |
10695 | return; | |
10696 | ||
10697 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
10698 | if (!hdr) { | |
10699 | nlmsg_free(msg); | |
10700 | return; | |
10701 | } | |
10702 | ||
9360ffd1 | 10703 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
10704 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10705 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
10706 | (ie_len && ie && |
10707 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
10708 | goto nla_put_failure; | |
c93b5e71 | 10709 | |
3b7b72ee | 10710 | genlmsg_end(msg, hdr); |
c93b5e71 | 10711 | |
68eb5503 | 10712 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10713 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
10714 | return; |
10715 | ||
10716 | nla_put_failure: | |
10717 | genlmsg_cancel(msg, hdr); | |
10718 | nlmsg_free(msg); | |
10719 | } | |
947add36 | 10720 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 10721 | |
a3b8b056 JM |
10722 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
10723 | struct net_device *netdev, const u8 *addr, | |
10724 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 10725 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
10726 | { |
10727 | struct sk_buff *msg; | |
10728 | void *hdr; | |
10729 | ||
e6d6e342 | 10730 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
10731 | if (!msg) |
10732 | return; | |
10733 | ||
10734 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
10735 | if (!hdr) { | |
10736 | nlmsg_free(msg); | |
10737 | return; | |
10738 | } | |
10739 | ||
9360ffd1 DM |
10740 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10741 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10742 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
10743 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
10744 | (key_id != -1 && | |
10745 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
10746 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
10747 | goto nla_put_failure; | |
a3b8b056 | 10748 | |
3b7b72ee | 10749 | genlmsg_end(msg, hdr); |
a3b8b056 | 10750 | |
68eb5503 | 10751 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10752 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
10753 | return; |
10754 | ||
10755 | nla_put_failure: | |
10756 | genlmsg_cancel(msg, hdr); | |
10757 | nlmsg_free(msg); | |
10758 | } | |
10759 | ||
6bad8766 LR |
10760 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
10761 | struct ieee80211_channel *channel_before, | |
10762 | struct ieee80211_channel *channel_after) | |
10763 | { | |
10764 | struct sk_buff *msg; | |
10765 | void *hdr; | |
10766 | struct nlattr *nl_freq; | |
10767 | ||
fd2120ca | 10768 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
10769 | if (!msg) |
10770 | return; | |
10771 | ||
10772 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
10773 | if (!hdr) { | |
10774 | nlmsg_free(msg); | |
10775 | return; | |
10776 | } | |
10777 | ||
10778 | /* | |
10779 | * Since we are applying the beacon hint to a wiphy we know its | |
10780 | * wiphy_idx is valid | |
10781 | */ | |
9360ffd1 DM |
10782 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
10783 | goto nla_put_failure; | |
6bad8766 LR |
10784 | |
10785 | /* Before */ | |
10786 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
10787 | if (!nl_freq) | |
10788 | goto nla_put_failure; | |
cdc89b97 | 10789 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
10790 | goto nla_put_failure; |
10791 | nla_nest_end(msg, nl_freq); | |
10792 | ||
10793 | /* After */ | |
10794 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
10795 | if (!nl_freq) | |
10796 | goto nla_put_failure; | |
cdc89b97 | 10797 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
10798 | goto nla_put_failure; |
10799 | nla_nest_end(msg, nl_freq); | |
10800 | ||
3b7b72ee | 10801 | genlmsg_end(msg, hdr); |
6bad8766 | 10802 | |
463d0183 | 10803 | rcu_read_lock(); |
68eb5503 | 10804 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10805 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 10806 | rcu_read_unlock(); |
6bad8766 LR |
10807 | |
10808 | return; | |
10809 | ||
10810 | nla_put_failure: | |
10811 | genlmsg_cancel(msg, hdr); | |
10812 | nlmsg_free(msg); | |
10813 | } | |
10814 | ||
9588bbd5 JM |
10815 | static void nl80211_send_remain_on_chan_event( |
10816 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 10817 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 10818 | struct ieee80211_channel *chan, |
9588bbd5 JM |
10819 | unsigned int duration, gfp_t gfp) |
10820 | { | |
10821 | struct sk_buff *msg; | |
10822 | void *hdr; | |
10823 | ||
10824 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10825 | if (!msg) | |
10826 | return; | |
10827 | ||
10828 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10829 | if (!hdr) { | |
10830 | nlmsg_free(msg); | |
10831 | return; | |
10832 | } | |
10833 | ||
9360ffd1 | 10834 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10835 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10836 | wdev->netdev->ifindex)) || | |
00f53350 | 10837 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 10838 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
10839 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
10840 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
10841 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
10842 | goto nla_put_failure; | |
9588bbd5 | 10843 | |
9360ffd1 DM |
10844 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
10845 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
10846 | goto nla_put_failure; | |
9588bbd5 | 10847 | |
3b7b72ee | 10848 | genlmsg_end(msg, hdr); |
9588bbd5 | 10849 | |
68eb5503 | 10850 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10851 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
10852 | return; |
10853 | ||
10854 | nla_put_failure: | |
10855 | genlmsg_cancel(msg, hdr); | |
10856 | nlmsg_free(msg); | |
10857 | } | |
10858 | ||
947add36 JB |
10859 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
10860 | struct ieee80211_channel *chan, | |
10861 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 10862 | { |
947add36 | 10863 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 10864 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
10865 | |
10866 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 10867 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 10868 | rdev, wdev, cookie, chan, |
42d97a59 | 10869 | duration, gfp); |
9588bbd5 | 10870 | } |
947add36 | 10871 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 10872 | |
947add36 JB |
10873 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
10874 | struct ieee80211_channel *chan, | |
10875 | gfp_t gfp) | |
9588bbd5 | 10876 | { |
947add36 | 10877 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 10878 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
10879 | |
10880 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 10881 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 10882 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 10883 | } |
947add36 | 10884 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 10885 | |
947add36 JB |
10886 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
10887 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 10888 | { |
947add36 | 10889 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 10890 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
10891 | struct sk_buff *msg; |
10892 | ||
947add36 JB |
10893 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
10894 | ||
58050fce | 10895 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
10896 | if (!msg) |
10897 | return; | |
10898 | ||
66266b3a JL |
10899 | if (nl80211_send_station(msg, 0, 0, 0, |
10900 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
10901 | nlmsg_free(msg); |
10902 | return; | |
10903 | } | |
10904 | ||
68eb5503 | 10905 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10906 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 10907 | } |
947add36 | 10908 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 10909 | |
947add36 | 10910 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 10911 | { |
947add36 | 10912 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 10913 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b JM |
10914 | struct sk_buff *msg; |
10915 | void *hdr; | |
10916 | ||
947add36 JB |
10917 | trace_cfg80211_del_sta(dev, mac_addr); |
10918 | ||
58050fce | 10919 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
10920 | if (!msg) |
10921 | return; | |
10922 | ||
10923 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
10924 | if (!hdr) { | |
10925 | nlmsg_free(msg); | |
10926 | return; | |
10927 | } | |
10928 | ||
9360ffd1 DM |
10929 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10930 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
10931 | goto nla_put_failure; | |
ec15e68b | 10932 | |
3b7b72ee | 10933 | genlmsg_end(msg, hdr); |
ec15e68b | 10934 | |
68eb5503 | 10935 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10936 | NL80211_MCGRP_MLME, gfp); |
ec15e68b JM |
10937 | return; |
10938 | ||
10939 | nla_put_failure: | |
10940 | genlmsg_cancel(msg, hdr); | |
10941 | nlmsg_free(msg); | |
10942 | } | |
947add36 | 10943 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 10944 | |
947add36 JB |
10945 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
10946 | enum nl80211_connect_failed_reason reason, | |
10947 | gfp_t gfp) | |
ed44a951 | 10948 | { |
947add36 | 10949 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 10950 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
10951 | struct sk_buff *msg; |
10952 | void *hdr; | |
10953 | ||
10954 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10955 | if (!msg) | |
10956 | return; | |
10957 | ||
10958 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
10959 | if (!hdr) { | |
10960 | nlmsg_free(msg); | |
10961 | return; | |
10962 | } | |
10963 | ||
10964 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10965 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
10966 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
10967 | goto nla_put_failure; | |
10968 | ||
10969 | genlmsg_end(msg, hdr); | |
10970 | ||
68eb5503 | 10971 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10972 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
10973 | return; |
10974 | ||
10975 | nla_put_failure: | |
10976 | genlmsg_cancel(msg, hdr); | |
10977 | nlmsg_free(msg); | |
10978 | } | |
947add36 | 10979 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 10980 | |
b92ab5d8 JB |
10981 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
10982 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
10983 | { |
10984 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 10985 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
10986 | struct sk_buff *msg; |
10987 | void *hdr; | |
15e47304 | 10988 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 10989 | |
15e47304 | 10990 | if (!nlportid) |
28946da7 JB |
10991 | return false; |
10992 | ||
10993 | msg = nlmsg_new(100, gfp); | |
10994 | if (!msg) | |
10995 | return true; | |
10996 | ||
b92ab5d8 | 10997 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
10998 | if (!hdr) { |
10999 | nlmsg_free(msg); | |
11000 | return true; | |
11001 | } | |
11002 | ||
9360ffd1 DM |
11003 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11004 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11005 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
11006 | goto nla_put_failure; | |
28946da7 | 11007 | |
9c90a9f6 | 11008 | genlmsg_end(msg, hdr); |
15e47304 | 11009 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
11010 | return true; |
11011 | ||
11012 | nla_put_failure: | |
11013 | genlmsg_cancel(msg, hdr); | |
11014 | nlmsg_free(msg); | |
11015 | return true; | |
11016 | } | |
11017 | ||
947add36 JB |
11018 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
11019 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 11020 | { |
947add36 JB |
11021 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11022 | bool ret; | |
11023 | ||
11024 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
11025 | ||
11026 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
11027 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
11028 | trace_cfg80211_return_bool(false); | |
11029 | return false; | |
11030 | } | |
11031 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
11032 | addr, gfp); | |
11033 | trace_cfg80211_return_bool(ret); | |
11034 | return ret; | |
b92ab5d8 | 11035 | } |
947add36 | 11036 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 11037 | |
947add36 JB |
11038 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
11039 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 11040 | { |
947add36 JB |
11041 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11042 | bool ret; | |
11043 | ||
11044 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
11045 | ||
11046 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
11047 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
11048 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
11049 | trace_cfg80211_return_bool(false); | |
11050 | return false; | |
11051 | } | |
11052 | ret = __nl80211_unexpected_frame(dev, | |
11053 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
11054 | addr, gfp); | |
11055 | trace_cfg80211_return_bool(ret); | |
11056 | return ret; | |
b92ab5d8 | 11057 | } |
947add36 | 11058 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 11059 | |
2e161f78 | 11060 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 11061 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 11062 | int freq, int sig_dbm, |
19504cf5 | 11063 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 11064 | { |
71bbc994 | 11065 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
11066 | struct sk_buff *msg; |
11067 | void *hdr; | |
026331c4 JM |
11068 | |
11069 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11070 | if (!msg) | |
11071 | return -ENOMEM; | |
11072 | ||
2e161f78 | 11073 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
11074 | if (!hdr) { |
11075 | nlmsg_free(msg); | |
11076 | return -ENOMEM; | |
11077 | } | |
11078 | ||
9360ffd1 | 11079 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11080 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11081 | netdev->ifindex)) || | |
a838490b | 11082 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
11083 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
11084 | (sig_dbm && | |
11085 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
11086 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
11087 | (flags && | |
11088 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 11089 | goto nla_put_failure; |
026331c4 | 11090 | |
3b7b72ee | 11091 | genlmsg_end(msg, hdr); |
026331c4 | 11092 | |
15e47304 | 11093 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
11094 | |
11095 | nla_put_failure: | |
11096 | genlmsg_cancel(msg, hdr); | |
11097 | nlmsg_free(msg); | |
11098 | return -ENOBUFS; | |
11099 | } | |
11100 | ||
947add36 JB |
11101 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
11102 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 11103 | { |
947add36 | 11104 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11105 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 11106 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
11107 | struct sk_buff *msg; |
11108 | void *hdr; | |
11109 | ||
947add36 JB |
11110 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
11111 | ||
026331c4 JM |
11112 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
11113 | if (!msg) | |
11114 | return; | |
11115 | ||
2e161f78 | 11116 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
11117 | if (!hdr) { |
11118 | nlmsg_free(msg); | |
11119 | return; | |
11120 | } | |
11121 | ||
9360ffd1 | 11122 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11123 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11124 | netdev->ifindex)) || | |
a838490b | 11125 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
11126 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
11127 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11128 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11129 | goto nla_put_failure; | |
026331c4 | 11130 | |
3b7b72ee | 11131 | genlmsg_end(msg, hdr); |
026331c4 | 11132 | |
68eb5503 | 11133 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11134 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
11135 | return; |
11136 | ||
11137 | nla_put_failure: | |
11138 | genlmsg_cancel(msg, hdr); | |
11139 | nlmsg_free(msg); | |
11140 | } | |
947add36 | 11141 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 11142 | |
947add36 JB |
11143 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
11144 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
11145 | gfp_t gfp) | |
d6dc1a38 | 11146 | { |
947add36 JB |
11147 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11148 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11149 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
d6dc1a38 JO |
11150 | struct sk_buff *msg; |
11151 | struct nlattr *pinfoattr; | |
11152 | void *hdr; | |
11153 | ||
947add36 JB |
11154 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
11155 | ||
58050fce | 11156 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
11157 | if (!msg) |
11158 | return; | |
11159 | ||
11160 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11161 | if (!hdr) { | |
11162 | nlmsg_free(msg); | |
11163 | return; | |
11164 | } | |
11165 | ||
9360ffd1 | 11166 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11167 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 11168 | goto nla_put_failure; |
d6dc1a38 JO |
11169 | |
11170 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11171 | if (!pinfoattr) | |
11172 | goto nla_put_failure; | |
11173 | ||
9360ffd1 DM |
11174 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
11175 | rssi_event)) | |
11176 | goto nla_put_failure; | |
d6dc1a38 JO |
11177 | |
11178 | nla_nest_end(msg, pinfoattr); | |
11179 | ||
3b7b72ee | 11180 | genlmsg_end(msg, hdr); |
d6dc1a38 | 11181 | |
68eb5503 | 11182 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11183 | NL80211_MCGRP_MLME, gfp); |
d6dc1a38 JO |
11184 | return; |
11185 | ||
11186 | nla_put_failure: | |
11187 | genlmsg_cancel(msg, hdr); | |
11188 | nlmsg_free(msg); | |
11189 | } | |
947add36 | 11190 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 11191 | |
947add36 JB |
11192 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
11193 | struct net_device *netdev, const u8 *bssid, | |
11194 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
11195 | { |
11196 | struct sk_buff *msg; | |
11197 | struct nlattr *rekey_attr; | |
11198 | void *hdr; | |
11199 | ||
58050fce | 11200 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
11201 | if (!msg) |
11202 | return; | |
11203 | ||
11204 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
11205 | if (!hdr) { | |
11206 | nlmsg_free(msg); | |
11207 | return; | |
11208 | } | |
11209 | ||
9360ffd1 DM |
11210 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11211 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11212 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
11213 | goto nla_put_failure; | |
e5497d76 JB |
11214 | |
11215 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
11216 | if (!rekey_attr) | |
11217 | goto nla_put_failure; | |
11218 | ||
9360ffd1 DM |
11219 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
11220 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
11221 | goto nla_put_failure; | |
e5497d76 JB |
11222 | |
11223 | nla_nest_end(msg, rekey_attr); | |
11224 | ||
3b7b72ee | 11225 | genlmsg_end(msg, hdr); |
e5497d76 | 11226 | |
68eb5503 | 11227 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11228 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
11229 | return; |
11230 | ||
11231 | nla_put_failure: | |
11232 | genlmsg_cancel(msg, hdr); | |
11233 | nlmsg_free(msg); | |
11234 | } | |
11235 | ||
947add36 JB |
11236 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
11237 | const u8 *replay_ctr, gfp_t gfp) | |
11238 | { | |
11239 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11240 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11241 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11242 | |
11243 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
11244 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
11245 | } | |
11246 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
11247 | ||
11248 | static void | |
11249 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
11250 | struct net_device *netdev, int index, | |
11251 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
11252 | { |
11253 | struct sk_buff *msg; | |
11254 | struct nlattr *attr; | |
11255 | void *hdr; | |
11256 | ||
58050fce | 11257 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
11258 | if (!msg) |
11259 | return; | |
11260 | ||
11261 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
11262 | if (!hdr) { | |
11263 | nlmsg_free(msg); | |
11264 | return; | |
11265 | } | |
11266 | ||
9360ffd1 DM |
11267 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11268 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
11269 | goto nla_put_failure; | |
c9df56b4 JM |
11270 | |
11271 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
11272 | if (!attr) | |
11273 | goto nla_put_failure; | |
11274 | ||
9360ffd1 DM |
11275 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
11276 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
11277 | (preauth && | |
11278 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
11279 | goto nla_put_failure; | |
c9df56b4 JM |
11280 | |
11281 | nla_nest_end(msg, attr); | |
11282 | ||
3b7b72ee | 11283 | genlmsg_end(msg, hdr); |
c9df56b4 | 11284 | |
68eb5503 | 11285 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11286 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
11287 | return; |
11288 | ||
11289 | nla_put_failure: | |
11290 | genlmsg_cancel(msg, hdr); | |
11291 | nlmsg_free(msg); | |
11292 | } | |
11293 | ||
947add36 JB |
11294 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
11295 | const u8 *bssid, bool preauth, gfp_t gfp) | |
11296 | { | |
11297 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11298 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11299 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11300 | |
11301 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
11302 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
11303 | } | |
11304 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
11305 | ||
11306 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
11307 | struct net_device *netdev, | |
11308 | struct cfg80211_chan_def *chandef, | |
11309 | gfp_t gfp) | |
5314526b TP |
11310 | { |
11311 | struct sk_buff *msg; | |
11312 | void *hdr; | |
11313 | ||
58050fce | 11314 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
11315 | if (!msg) |
11316 | return; | |
11317 | ||
11318 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
11319 | if (!hdr) { | |
11320 | nlmsg_free(msg); | |
11321 | return; | |
11322 | } | |
11323 | ||
683b6d3b JB |
11324 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
11325 | goto nla_put_failure; | |
11326 | ||
11327 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 11328 | goto nla_put_failure; |
5314526b TP |
11329 | |
11330 | genlmsg_end(msg, hdr); | |
11331 | ||
68eb5503 | 11332 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11333 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
11334 | return; |
11335 | ||
11336 | nla_put_failure: | |
11337 | genlmsg_cancel(msg, hdr); | |
11338 | nlmsg_free(msg); | |
11339 | } | |
11340 | ||
947add36 JB |
11341 | void cfg80211_ch_switch_notify(struct net_device *dev, |
11342 | struct cfg80211_chan_def *chandef) | |
84f10708 | 11343 | { |
947add36 JB |
11344 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11345 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11346 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 11347 | |
e487eaeb | 11348 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 11349 | |
e487eaeb | 11350 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 JB |
11351 | |
11352 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
ee4bc9e7 | 11353 | wdev->iftype != NL80211_IFTYPE_P2P_GO && |
b8456a14 CYY |
11354 | wdev->iftype != NL80211_IFTYPE_ADHOC && |
11355 | wdev->iftype != NL80211_IFTYPE_MESH_POINT)) | |
e487eaeb | 11356 | return; |
947add36 | 11357 | |
9e0e2961 | 11358 | wdev->chandef = *chandef; |
96f55f12 | 11359 | wdev->preset_chandef = *chandef; |
947add36 | 11360 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); |
947add36 JB |
11361 | } |
11362 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
11363 | ||
11364 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
11365 | const u8 *peer, u32 num_packets, | |
11366 | u32 rate, u32 intvl, gfp_t gfp) | |
11367 | { | |
11368 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11369 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11370 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
84f10708 TP |
11371 | struct sk_buff *msg; |
11372 | struct nlattr *pinfoattr; | |
11373 | void *hdr; | |
11374 | ||
11375 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
11376 | if (!msg) | |
11377 | return; | |
11378 | ||
11379 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11380 | if (!hdr) { | |
11381 | nlmsg_free(msg); | |
11382 | return; | |
11383 | } | |
11384 | ||
11385 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 11386 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
11387 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11388 | goto nla_put_failure; | |
11389 | ||
11390 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11391 | if (!pinfoattr) | |
11392 | goto nla_put_failure; | |
11393 | ||
11394 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
11395 | goto nla_put_failure; | |
11396 | ||
11397 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
11398 | goto nla_put_failure; | |
11399 | ||
11400 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
11401 | goto nla_put_failure; | |
11402 | ||
11403 | nla_nest_end(msg, pinfoattr); | |
11404 | ||
11405 | genlmsg_end(msg, hdr); | |
11406 | ||
68eb5503 | 11407 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11408 | NL80211_MCGRP_MLME, gfp); |
84f10708 TP |
11409 | return; |
11410 | ||
11411 | nla_put_failure: | |
11412 | genlmsg_cancel(msg, hdr); | |
11413 | nlmsg_free(msg); | |
11414 | } | |
947add36 | 11415 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 11416 | |
04f39047 SW |
11417 | void |
11418 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 11419 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
11420 | enum nl80211_radar_event event, |
11421 | struct net_device *netdev, gfp_t gfp) | |
11422 | { | |
11423 | struct sk_buff *msg; | |
11424 | void *hdr; | |
11425 | ||
11426 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11427 | if (!msg) | |
11428 | return; | |
11429 | ||
11430 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
11431 | if (!hdr) { | |
11432 | nlmsg_free(msg); | |
11433 | return; | |
11434 | } | |
11435 | ||
11436 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
11437 | goto nla_put_failure; | |
11438 | ||
11439 | /* NOP and radar events don't need a netdev parameter */ | |
11440 | if (netdev) { | |
11441 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
11442 | ||
11443 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11444 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11445 | goto nla_put_failure; | |
11446 | } | |
11447 | ||
11448 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
11449 | goto nla_put_failure; | |
11450 | ||
11451 | if (nl80211_send_chandef(msg, chandef)) | |
11452 | goto nla_put_failure; | |
11453 | ||
9c90a9f6 | 11454 | genlmsg_end(msg, hdr); |
04f39047 | 11455 | |
68eb5503 | 11456 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11457 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
11458 | return; |
11459 | ||
11460 | nla_put_failure: | |
11461 | genlmsg_cancel(msg, hdr); | |
11462 | nlmsg_free(msg); | |
11463 | } | |
11464 | ||
947add36 JB |
11465 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
11466 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 11467 | { |
947add36 JB |
11468 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11469 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11470 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
c063dbf5 JB |
11471 | struct sk_buff *msg; |
11472 | struct nlattr *pinfoattr; | |
11473 | void *hdr; | |
11474 | ||
947add36 JB |
11475 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
11476 | ||
58050fce | 11477 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
11478 | if (!msg) |
11479 | return; | |
11480 | ||
11481 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11482 | if (!hdr) { | |
11483 | nlmsg_free(msg); | |
11484 | return; | |
11485 | } | |
11486 | ||
9360ffd1 | 11487 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11488 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
11489 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11490 | goto nla_put_failure; | |
c063dbf5 JB |
11491 | |
11492 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11493 | if (!pinfoattr) | |
11494 | goto nla_put_failure; | |
11495 | ||
9360ffd1 DM |
11496 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
11497 | goto nla_put_failure; | |
c063dbf5 JB |
11498 | |
11499 | nla_nest_end(msg, pinfoattr); | |
11500 | ||
3b7b72ee | 11501 | genlmsg_end(msg, hdr); |
c063dbf5 | 11502 | |
68eb5503 | 11503 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11504 | NL80211_MCGRP_MLME, gfp); |
c063dbf5 JB |
11505 | return; |
11506 | ||
11507 | nla_put_failure: | |
11508 | genlmsg_cancel(msg, hdr); | |
11509 | nlmsg_free(msg); | |
11510 | } | |
947add36 | 11511 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 11512 | |
7f6cf311 JB |
11513 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
11514 | u64 cookie, bool acked, gfp_t gfp) | |
11515 | { | |
11516 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 11517 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
11518 | struct sk_buff *msg; |
11519 | void *hdr; | |
7f6cf311 | 11520 | |
4ee3e063 BL |
11521 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
11522 | ||
58050fce | 11523 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 11524 | |
7f6cf311 JB |
11525 | if (!msg) |
11526 | return; | |
11527 | ||
11528 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
11529 | if (!hdr) { | |
11530 | nlmsg_free(msg); | |
11531 | return; | |
11532 | } | |
11533 | ||
9360ffd1 DM |
11534 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11535 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11536 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
11537 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11538 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11539 | goto nla_put_failure; | |
7f6cf311 | 11540 | |
9c90a9f6 | 11541 | genlmsg_end(msg, hdr); |
7f6cf311 | 11542 | |
68eb5503 | 11543 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11544 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
11545 | return; |
11546 | ||
11547 | nla_put_failure: | |
11548 | genlmsg_cancel(msg, hdr); | |
11549 | nlmsg_free(msg); | |
11550 | } | |
11551 | EXPORT_SYMBOL(cfg80211_probe_status); | |
11552 | ||
5e760230 JB |
11553 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
11554 | const u8 *frame, size_t len, | |
37c73b5f | 11555 | int freq, int sig_dbm) |
5e760230 | 11556 | { |
f26cbf40 | 11557 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
11558 | struct sk_buff *msg; |
11559 | void *hdr; | |
37c73b5f | 11560 | struct cfg80211_beacon_registration *reg; |
5e760230 | 11561 | |
4ee3e063 BL |
11562 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
11563 | ||
37c73b5f BG |
11564 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11565 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11566 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
11567 | if (!msg) { | |
11568 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11569 | return; | |
11570 | } | |
5e760230 | 11571 | |
37c73b5f BG |
11572 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
11573 | if (!hdr) | |
11574 | goto nla_put_failure; | |
5e760230 | 11575 | |
37c73b5f BG |
11576 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11577 | (freq && | |
11578 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
11579 | (sig_dbm && | |
11580 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
11581 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
11582 | goto nla_put_failure; | |
5e760230 | 11583 | |
37c73b5f | 11584 | genlmsg_end(msg, hdr); |
5e760230 | 11585 | |
37c73b5f BG |
11586 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
11587 | } | |
11588 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
11589 | return; |
11590 | ||
11591 | nla_put_failure: | |
37c73b5f BG |
11592 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
11593 | if (hdr) | |
11594 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
11595 | nlmsg_free(msg); |
11596 | } | |
11597 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
11598 | ||
cd8f7cb4 JB |
11599 | #ifdef CONFIG_PM |
11600 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
11601 | struct cfg80211_wowlan_wakeup *wakeup, | |
11602 | gfp_t gfp) | |
11603 | { | |
f26cbf40 | 11604 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
11605 | struct sk_buff *msg; |
11606 | void *hdr; | |
9c90a9f6 | 11607 | int size = 200; |
cd8f7cb4 JB |
11608 | |
11609 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
11610 | ||
11611 | if (wakeup) | |
11612 | size += wakeup->packet_present_len; | |
11613 | ||
11614 | msg = nlmsg_new(size, gfp); | |
11615 | if (!msg) | |
11616 | return; | |
11617 | ||
11618 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
11619 | if (!hdr) | |
11620 | goto free_msg; | |
11621 | ||
11622 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11623 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11624 | goto free_msg; | |
11625 | ||
11626 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11627 | wdev->netdev->ifindex)) | |
11628 | goto free_msg; | |
11629 | ||
11630 | if (wakeup) { | |
11631 | struct nlattr *reasons; | |
11632 | ||
11633 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
11634 | if (!reasons) |
11635 | goto free_msg; | |
cd8f7cb4 JB |
11636 | |
11637 | if (wakeup->disconnect && | |
11638 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
11639 | goto free_msg; | |
11640 | if (wakeup->magic_pkt && | |
11641 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
11642 | goto free_msg; | |
11643 | if (wakeup->gtk_rekey_failure && | |
11644 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
11645 | goto free_msg; | |
11646 | if (wakeup->eap_identity_req && | |
11647 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
11648 | goto free_msg; | |
11649 | if (wakeup->four_way_handshake && | |
11650 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
11651 | goto free_msg; | |
11652 | if (wakeup->rfkill_release && | |
11653 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
11654 | goto free_msg; | |
11655 | ||
11656 | if (wakeup->pattern_idx >= 0 && | |
11657 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
11658 | wakeup->pattern_idx)) | |
11659 | goto free_msg; | |
11660 | ||
ae917c9f JB |
11661 | if (wakeup->tcp_match && |
11662 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
11663 | goto free_msg; | |
2a0e047e | 11664 | |
ae917c9f JB |
11665 | if (wakeup->tcp_connlost && |
11666 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
11667 | goto free_msg; | |
2a0e047e | 11668 | |
ae917c9f JB |
11669 | if (wakeup->tcp_nomoretokens && |
11670 | nla_put_flag(msg, | |
11671 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
11672 | goto free_msg; | |
2a0e047e | 11673 | |
cd8f7cb4 JB |
11674 | if (wakeup->packet) { |
11675 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
11676 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
11677 | ||
11678 | if (!wakeup->packet_80211) { | |
11679 | pkt_attr = | |
11680 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
11681 | len_attr = | |
11682 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
11683 | } | |
11684 | ||
11685 | if (wakeup->packet_len && | |
11686 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
11687 | goto free_msg; | |
11688 | ||
11689 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
11690 | wakeup->packet)) | |
11691 | goto free_msg; | |
11692 | } | |
11693 | ||
11694 | nla_nest_end(msg, reasons); | |
11695 | } | |
11696 | ||
9c90a9f6 | 11697 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 11698 | |
68eb5503 | 11699 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11700 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
11701 | return; |
11702 | ||
11703 | free_msg: | |
11704 | nlmsg_free(msg); | |
11705 | } | |
11706 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
11707 | #endif | |
11708 | ||
3475b094 JM |
11709 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
11710 | enum nl80211_tdls_operation oper, | |
11711 | u16 reason_code, gfp_t gfp) | |
11712 | { | |
11713 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 11714 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
11715 | struct sk_buff *msg; |
11716 | void *hdr; | |
3475b094 JM |
11717 | |
11718 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
11719 | reason_code); | |
11720 | ||
11721 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11722 | if (!msg) | |
11723 | return; | |
11724 | ||
11725 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
11726 | if (!hdr) { | |
11727 | nlmsg_free(msg); | |
11728 | return; | |
11729 | } | |
11730 | ||
11731 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11732 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11733 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
11734 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
11735 | (reason_code > 0 && | |
11736 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
11737 | goto nla_put_failure; | |
11738 | ||
9c90a9f6 | 11739 | genlmsg_end(msg, hdr); |
3475b094 | 11740 | |
68eb5503 | 11741 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11742 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
11743 | return; |
11744 | ||
11745 | nla_put_failure: | |
11746 | genlmsg_cancel(msg, hdr); | |
11747 | nlmsg_free(msg); | |
11748 | } | |
11749 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
11750 | ||
026331c4 JM |
11751 | static int nl80211_netlink_notify(struct notifier_block * nb, |
11752 | unsigned long state, | |
11753 | void *_notify) | |
11754 | { | |
11755 | struct netlink_notify *notify = _notify; | |
11756 | struct cfg80211_registered_device *rdev; | |
11757 | struct wireless_dev *wdev; | |
37c73b5f | 11758 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
11759 | |
11760 | if (state != NETLINK_URELEASE) | |
11761 | return NOTIFY_DONE; | |
11762 | ||
11763 | rcu_read_lock(); | |
11764 | ||
5e760230 | 11765 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a JB |
11766 | bool schedule_destroy_work = false; |
11767 | ||
11768 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) { | |
15e47304 | 11769 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 11770 | |
78f22b6a JB |
11771 | if (wdev->owner_nlportid == notify->portid) |
11772 | schedule_destroy_work = true; | |
11773 | } | |
11774 | ||
37c73b5f BG |
11775 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11776 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
11777 | list) { | |
11778 | if (reg->nlportid == notify->portid) { | |
11779 | list_del(®->list); | |
11780 | kfree(reg); | |
11781 | break; | |
11782 | } | |
11783 | } | |
11784 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
11785 | |
11786 | if (schedule_destroy_work) { | |
11787 | struct cfg80211_iface_destroy *destroy; | |
11788 | ||
11789 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
11790 | if (destroy) { | |
11791 | destroy->nlportid = notify->portid; | |
11792 | spin_lock(&rdev->destroy_list_lock); | |
11793 | list_add(&destroy->list, &rdev->destroy_list); | |
11794 | spin_unlock(&rdev->destroy_list_lock); | |
11795 | schedule_work(&rdev->destroy_work); | |
11796 | } | |
11797 | } | |
5e760230 | 11798 | } |
026331c4 JM |
11799 | |
11800 | rcu_read_unlock(); | |
11801 | ||
6784c7db | 11802 | return NOTIFY_OK; |
026331c4 JM |
11803 | } |
11804 | ||
11805 | static struct notifier_block nl80211_netlink_notifier = { | |
11806 | .notifier_call = nl80211_netlink_notify, | |
11807 | }; | |
11808 | ||
355199e0 JM |
11809 | void cfg80211_ft_event(struct net_device *netdev, |
11810 | struct cfg80211_ft_event_params *ft_event) | |
11811 | { | |
11812 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 11813 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
11814 | struct sk_buff *msg; |
11815 | void *hdr; | |
355199e0 JM |
11816 | |
11817 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
11818 | ||
11819 | if (!ft_event->target_ap) | |
11820 | return; | |
11821 | ||
11822 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11823 | if (!msg) | |
11824 | return; | |
11825 | ||
11826 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
11827 | if (!hdr) |
11828 | goto out; | |
355199e0 | 11829 | |
ae917c9f JB |
11830 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11831 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11832 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
11833 | goto out; | |
355199e0 | 11834 | |
ae917c9f JB |
11835 | if (ft_event->ies && |
11836 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
11837 | goto out; | |
11838 | if (ft_event->ric_ies && | |
11839 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
11840 | ft_event->ric_ies)) | |
11841 | goto out; | |
355199e0 | 11842 | |
9c90a9f6 | 11843 | genlmsg_end(msg, hdr); |
355199e0 | 11844 | |
68eb5503 | 11845 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11846 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
11847 | return; |
11848 | out: | |
11849 | nlmsg_free(msg); | |
355199e0 JM |
11850 | } |
11851 | EXPORT_SYMBOL(cfg80211_ft_event); | |
11852 | ||
5de17984 AS |
11853 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
11854 | { | |
11855 | struct cfg80211_registered_device *rdev; | |
11856 | struct sk_buff *msg; | |
11857 | void *hdr; | |
11858 | u32 nlportid; | |
11859 | ||
f26cbf40 | 11860 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
11861 | if (!rdev->crit_proto_nlportid) |
11862 | return; | |
11863 | ||
11864 | nlportid = rdev->crit_proto_nlportid; | |
11865 | rdev->crit_proto_nlportid = 0; | |
11866 | ||
11867 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11868 | if (!msg) | |
11869 | return; | |
11870 | ||
11871 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
11872 | if (!hdr) | |
11873 | goto nla_put_failure; | |
11874 | ||
11875 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11876 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11877 | goto nla_put_failure; | |
11878 | ||
11879 | genlmsg_end(msg, hdr); | |
11880 | ||
11881 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
11882 | return; | |
11883 | ||
11884 | nla_put_failure: | |
11885 | if (hdr) | |
11886 | genlmsg_cancel(msg, hdr); | |
11887 | nlmsg_free(msg); | |
11888 | ||
11889 | } | |
11890 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
11891 | ||
348baf0e JB |
11892 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
11893 | { | |
11894 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11895 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
11896 | struct sk_buff *msg; |
11897 | void *hdr; | |
11898 | ||
11899 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11900 | if (!msg) | |
11901 | return; | |
11902 | ||
11903 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
11904 | if (!hdr) | |
11905 | goto out; | |
11906 | ||
11907 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11908 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
11909 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11910 | goto out; | |
11911 | ||
11912 | genlmsg_end(msg, hdr); | |
11913 | ||
11914 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
11915 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
11916 | return; | |
11917 | out: | |
11918 | nlmsg_free(msg); | |
11919 | } | |
11920 | ||
55682965 JB |
11921 | /* initialisation/exit functions */ |
11922 | ||
11923 | int nl80211_init(void) | |
11924 | { | |
0d63cbb5 | 11925 | int err; |
55682965 | 11926 | |
2a94fe48 JB |
11927 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
11928 | nl80211_mcgrps); | |
55682965 JB |
11929 | if (err) |
11930 | return err; | |
11931 | ||
026331c4 JM |
11932 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
11933 | if (err) | |
11934 | goto err_out; | |
11935 | ||
55682965 JB |
11936 | return 0; |
11937 | err_out: | |
11938 | genl_unregister_family(&nl80211_fam); | |
11939 | return err; | |
11940 | } | |
11941 | ||
11942 | void nl80211_exit(void) | |
11943 | { | |
026331c4 | 11944 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
11945 | genl_unregister_family(&nl80211_fam); |
11946 | } |