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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> |
55682965 JB |
5 | */ |
6 | ||
7 | #include <linux/if.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/err.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
55682965 JB |
11 | #include <linux/list.h> |
12 | #include <linux/if_ether.h> | |
13 | #include <linux/ieee80211.h> | |
14 | #include <linux/nl80211.h> | |
15 | #include <linux/rtnetlink.h> | |
16 | #include <linux/netlink.h> | |
2a519311 | 17 | #include <linux/etherdevice.h> |
463d0183 | 18 | #include <net/net_namespace.h> |
55682965 JB |
19 | #include <net/genetlink.h> |
20 | #include <net/cfg80211.h> | |
463d0183 | 21 | #include <net/sock.h> |
2a0e047e | 22 | #include <net/inet_connection_sock.h> |
55682965 JB |
23 | #include "core.h" |
24 | #include "nl80211.h" | |
b2e1b302 | 25 | #include "reg.h" |
e35e4d28 | 26 | #include "rdev-ops.h" |
55682965 | 27 | |
5fb628e9 JM |
28 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
29 | struct genl_info *info, | |
30 | struct cfg80211_crypto_settings *settings, | |
31 | int cipher_limit); | |
32 | ||
f84f771d | 33 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 | 34 | struct genl_info *info); |
f84f771d | 35 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
36 | struct genl_info *info); |
37 | ||
55682965 JB |
38 | /* the netlink family */ |
39 | static struct genl_family nl80211_fam = { | |
fb4e1568 MH |
40 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
41 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ | |
42 | .hdrsize = 0, /* no private header */ | |
43 | .version = 1, /* no particular meaning now */ | |
55682965 | 44 | .maxattr = NL80211_ATTR_MAX, |
463d0183 | 45 | .netnsok = true, |
4c476991 JB |
46 | .pre_doit = nl80211_pre_doit, |
47 | .post_doit = nl80211_post_doit, | |
55682965 JB |
48 | }; |
49 | ||
2a94fe48 JB |
50 | /* multicast groups */ |
51 | enum nl80211_multicast_groups { | |
52 | NL80211_MCGRP_CONFIG, | |
53 | NL80211_MCGRP_SCAN, | |
54 | NL80211_MCGRP_REGULATORY, | |
55 | NL80211_MCGRP_MLME, | |
56 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ | |
57 | }; | |
58 | ||
59 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
60 | [NL80211_MCGRP_CONFIG] = { .name = "config", }, | |
61 | [NL80211_MCGRP_SCAN] = { .name = "scan", }, | |
62 | [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", }, | |
63 | [NL80211_MCGRP_MLME] = { .name = "mlme", }, | |
64 | #ifdef CONFIG_NL80211_TESTMODE | |
65 | [NL80211_MCGRP_TESTMODE] = { .name = "testmode", } | |
66 | #endif | |
67 | }; | |
68 | ||
89a54e48 JB |
69 | /* returns ERR_PTR values */ |
70 | static struct wireless_dev * | |
71 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 72 | { |
89a54e48 JB |
73 | struct cfg80211_registered_device *rdev; |
74 | struct wireless_dev *result = NULL; | |
75 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
76 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
77 | u64 wdev_id; | |
78 | int wiphy_idx = -1; | |
79 | int ifidx = -1; | |
55682965 | 80 | |
5fe231e8 | 81 | ASSERT_RTNL(); |
55682965 | 82 | |
89a54e48 JB |
83 | if (!have_ifidx && !have_wdev_id) |
84 | return ERR_PTR(-EINVAL); | |
55682965 | 85 | |
89a54e48 JB |
86 | if (have_ifidx) |
87 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
88 | if (have_wdev_id) { | |
89 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
90 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
91 | } |
92 | ||
89a54e48 JB |
93 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
94 | struct wireless_dev *wdev; | |
95 | ||
96 | if (wiphy_net(&rdev->wiphy) != netns) | |
97 | continue; | |
98 | ||
99 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
100 | continue; | |
101 | ||
89a54e48 JB |
102 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
103 | if (have_ifidx && wdev->netdev && | |
104 | wdev->netdev->ifindex == ifidx) { | |
105 | result = wdev; | |
106 | break; | |
107 | } | |
108 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
109 | result = wdev; | |
110 | break; | |
111 | } | |
112 | } | |
89a54e48 JB |
113 | |
114 | if (result) | |
115 | break; | |
116 | } | |
117 | ||
118 | if (result) | |
119 | return result; | |
120 | return ERR_PTR(-ENODEV); | |
55682965 JB |
121 | } |
122 | ||
a9455408 | 123 | static struct cfg80211_registered_device * |
878d9ec7 | 124 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 125 | { |
7fee4778 JB |
126 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
127 | struct net_device *netdev; | |
a9455408 | 128 | |
5fe231e8 | 129 | ASSERT_RTNL(); |
a9455408 | 130 | |
878d9ec7 | 131 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
132 | !attrs[NL80211_ATTR_IFINDEX] && |
133 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
134 | return ERR_PTR(-EINVAL); |
135 | ||
878d9ec7 | 136 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 137 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 138 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 139 | |
89a54e48 JB |
140 | if (attrs[NL80211_ATTR_WDEV]) { |
141 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
142 | struct wireless_dev *wdev; | |
143 | bool found = false; | |
144 | ||
145 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
146 | if (tmp) { | |
147 | /* make sure wdev exists */ | |
89a54e48 JB |
148 | list_for_each_entry(wdev, &tmp->wdev_list, list) { |
149 | if (wdev->identifier != (u32)wdev_id) | |
150 | continue; | |
151 | found = true; | |
152 | break; | |
153 | } | |
89a54e48 JB |
154 | |
155 | if (!found) | |
156 | tmp = NULL; | |
157 | ||
158 | if (rdev && tmp != rdev) | |
159 | return ERR_PTR(-EINVAL); | |
160 | rdev = tmp; | |
161 | } | |
162 | } | |
163 | ||
878d9ec7 JB |
164 | if (attrs[NL80211_ATTR_IFINDEX]) { |
165 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
4f7eff10 | 166 | netdev = dev_get_by_index(netns, ifindex); |
7fee4778 JB |
167 | if (netdev) { |
168 | if (netdev->ieee80211_ptr) | |
169 | tmp = wiphy_to_dev( | |
170 | netdev->ieee80211_ptr->wiphy); | |
171 | else | |
172 | tmp = NULL; | |
173 | ||
174 | dev_put(netdev); | |
175 | ||
176 | /* not wireless device -- return error */ | |
177 | if (!tmp) | |
178 | return ERR_PTR(-EINVAL); | |
179 | ||
180 | /* mismatch -- return error */ | |
181 | if (rdev && tmp != rdev) | |
182 | return ERR_PTR(-EINVAL); | |
183 | ||
184 | rdev = tmp; | |
a9455408 | 185 | } |
a9455408 | 186 | } |
a9455408 | 187 | |
4f7eff10 JB |
188 | if (!rdev) |
189 | return ERR_PTR(-ENODEV); | |
a9455408 | 190 | |
4f7eff10 JB |
191 | if (netns != wiphy_net(&rdev->wiphy)) |
192 | return ERR_PTR(-ENODEV); | |
193 | ||
194 | return rdev; | |
a9455408 JB |
195 | } |
196 | ||
197 | /* | |
198 | * This function returns a pointer to the driver | |
199 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
200 | * |
201 | * The result of this can be a PTR_ERR and hence must | |
202 | * be checked with IS_ERR() for errors. | |
203 | */ | |
204 | static struct cfg80211_registered_device * | |
4f7eff10 | 205 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 206 | { |
5fe231e8 | 207 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
208 | } |
209 | ||
55682965 | 210 | /* policy for the attributes */ |
b54452b0 | 211 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
212 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
213 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 214 | .len = 20-1 }, |
31888487 | 215 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 216 | |
72bdcf34 | 217 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 218 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
219 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
220 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
221 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
222 | ||
b9a5f8ca JM |
223 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
224 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
225 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
226 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 227 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
228 | |
229 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
230 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
231 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 232 | |
e007b857 EP |
233 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
234 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 235 | |
b9454e83 | 236 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
237 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
238 | .len = WLAN_MAX_KEY_LEN }, | |
239 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
240 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
241 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 242 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 243 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
244 | |
245 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
246 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
247 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
248 | .len = IEEE80211_MAX_DATA_LEN }, | |
249 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
250 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
251 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
252 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
253 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
254 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
255 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 256 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 257 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 258 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 259 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 260 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 261 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 262 | |
b2e1b302 LR |
263 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
264 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
265 | ||
9f1ba906 JM |
266 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
267 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
268 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
269 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
270 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 271 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 272 | |
24bdd9f4 | 273 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 274 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 275 | |
6c739419 | 276 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
277 | |
278 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
279 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
280 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
281 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
282 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
283 | |
284 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
285 | .len = IEEE80211_MAX_SSID_LEN }, | |
286 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
287 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 288 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 289 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 290 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
291 | [NL80211_ATTR_STA_FLAGS2] = { |
292 | .len = sizeof(struct nl80211_sta_flag_update), | |
293 | }, | |
3f77316c | 294 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
295 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
296 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
297 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
298 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
299 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 300 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 301 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
302 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
303 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
304 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
305 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 306 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
307 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
308 | .len = IEEE80211_MAX_DATA_LEN }, | |
309 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 310 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 311 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 312 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 313 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
314 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
315 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 316 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
317 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
318 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 319 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 320 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 321 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 322 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 323 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 324 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 325 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 326 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 327 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
328 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
329 | .len = IEEE80211_MAX_DATA_LEN }, | |
330 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
331 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 332 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 333 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 334 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
335 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
336 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
337 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
338 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
339 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
e247bd90 | 340 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
341 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
342 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 343 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
344 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
345 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
346 | .len = NL80211_HT_CAPABILITY_LEN | |
347 | }, | |
1d9d9213 | 348 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 349 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 350 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 351 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 352 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 353 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 354 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 355 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
356 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
357 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
358 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
359 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
360 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
361 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 362 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
363 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
364 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
365 | .len = NL80211_VHT_CAPABILITY_LEN, | |
366 | }, | |
355199e0 JM |
367 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
368 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
369 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 370 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
371 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
372 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
373 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
374 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 }, | |
375 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 }, | |
c01fc9ad SD |
376 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
377 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 378 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
55682965 JB |
379 | }; |
380 | ||
e31b8213 | 381 | /* policy for the key attributes */ |
b54452b0 | 382 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 383 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
384 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
385 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 386 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
387 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
388 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 389 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
390 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
391 | }; | |
392 | ||
393 | /* policy for the key default flags */ | |
394 | static const struct nla_policy | |
395 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
396 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
397 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
398 | }; |
399 | ||
ff1b6e69 JB |
400 | /* policy for WoWLAN attributes */ |
401 | static const struct nla_policy | |
402 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
403 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
404 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
405 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
406 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
407 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
408 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
409 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
410 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e JB |
411 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
412 | }; | |
413 | ||
414 | static const struct nla_policy | |
415 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
416 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
417 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
418 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
419 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
420 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
421 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
422 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
423 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
424 | }, | |
425 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
426 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
427 | }, | |
428 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
429 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
430 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
431 | }; |
432 | ||
be29b99a AK |
433 | /* policy for coalesce rule attributes */ |
434 | static const struct nla_policy | |
435 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
436 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
437 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
438 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
439 | }; | |
440 | ||
e5497d76 JB |
441 | /* policy for GTK rekey offload attributes */ |
442 | static const struct nla_policy | |
443 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
444 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
445 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
446 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
447 | }; | |
448 | ||
a1f1c21c LC |
449 | static const struct nla_policy |
450 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 451 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 452 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 453 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
454 | }; |
455 | ||
97990a06 JB |
456 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
457 | struct netlink_callback *cb, | |
458 | struct cfg80211_registered_device **rdev, | |
459 | struct wireless_dev **wdev) | |
a043897a | 460 | { |
97990a06 | 461 | int err; |
a043897a | 462 | |
97990a06 | 463 | rtnl_lock(); |
a043897a | 464 | |
97990a06 JB |
465 | if (!cb->args[0]) { |
466 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
467 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
468 | nl80211_policy); | |
469 | if (err) | |
470 | goto out_unlock; | |
67748893 | 471 | |
97990a06 JB |
472 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
473 | nl80211_fam.attrbuf); | |
474 | if (IS_ERR(*wdev)) { | |
475 | err = PTR_ERR(*wdev); | |
476 | goto out_unlock; | |
477 | } | |
478 | *rdev = wiphy_to_dev((*wdev)->wiphy); | |
c319d50b JB |
479 | /* 0 is the first index - add 1 to parse only once */ |
480 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
481 | cb->args[1] = (*wdev)->identifier; |
482 | } else { | |
c319d50b JB |
483 | /* subtract the 1 again here */ |
484 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 485 | struct wireless_dev *tmp; |
67748893 | 486 | |
97990a06 JB |
487 | if (!wiphy) { |
488 | err = -ENODEV; | |
489 | goto out_unlock; | |
490 | } | |
491 | *rdev = wiphy_to_dev(wiphy); | |
492 | *wdev = NULL; | |
67748893 | 493 | |
97990a06 JB |
494 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
495 | if (tmp->identifier == cb->args[1]) { | |
496 | *wdev = tmp; | |
497 | break; | |
498 | } | |
499 | } | |
67748893 | 500 | |
97990a06 JB |
501 | if (!*wdev) { |
502 | err = -ENODEV; | |
503 | goto out_unlock; | |
504 | } | |
67748893 JB |
505 | } |
506 | ||
67748893 | 507 | return 0; |
97990a06 | 508 | out_unlock: |
67748893 JB |
509 | rtnl_unlock(); |
510 | return err; | |
511 | } | |
512 | ||
97990a06 | 513 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 514 | { |
67748893 JB |
515 | rtnl_unlock(); |
516 | } | |
517 | ||
f4a11bb0 JB |
518 | /* IE validation */ |
519 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
520 | { | |
521 | const u8 *pos; | |
522 | int len; | |
523 | ||
524 | if (!attr) | |
525 | return true; | |
526 | ||
527 | pos = nla_data(attr); | |
528 | len = nla_len(attr); | |
529 | ||
530 | while (len) { | |
531 | u8 elemlen; | |
532 | ||
533 | if (len < 2) | |
534 | return false; | |
535 | len -= 2; | |
536 | ||
537 | elemlen = pos[1]; | |
538 | if (elemlen > len) | |
539 | return false; | |
540 | ||
541 | len -= elemlen; | |
542 | pos += 2 + elemlen; | |
543 | } | |
544 | ||
545 | return true; | |
546 | } | |
547 | ||
55682965 | 548 | /* message building helper */ |
15e47304 | 549 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
550 | int flags, u8 cmd) |
551 | { | |
552 | /* since there is no private header just add the generic one */ | |
15e47304 | 553 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
554 | } |
555 | ||
5dab3b8a | 556 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
557 | struct ieee80211_channel *chan, |
558 | bool large) | |
5dab3b8a | 559 | { |
9360ffd1 DM |
560 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
561 | chan->center_freq)) | |
562 | goto nla_put_failure; | |
5dab3b8a | 563 | |
9360ffd1 DM |
564 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
565 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
566 | goto nla_put_failure; | |
567 | if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) && | |
568 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN)) | |
569 | goto nla_put_failure; | |
570 | if ((chan->flags & IEEE80211_CHAN_NO_IBSS) && | |
571 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
572 | goto nla_put_failure; | |
cdc89b97 JB |
573 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
574 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
575 | goto nla_put_failure; | |
576 | if (large) { | |
577 | u32 time; | |
578 | ||
579 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
580 | ||
581 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
582 | chan->dfs_state)) | |
583 | goto nla_put_failure; | |
584 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
585 | time)) | |
586 | goto nla_put_failure; | |
587 | } | |
588 | } | |
5dab3b8a | 589 | |
fe1abafd JB |
590 | if (large) { |
591 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
592 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
593 | goto nla_put_failure; | |
594 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
595 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
596 | goto nla_put_failure; | |
597 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
598 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
599 | goto nla_put_failure; | |
600 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
601 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
602 | goto nla_put_failure; | |
603 | } | |
604 | ||
9360ffd1 DM |
605 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
606 | DBM_TO_MBM(chan->max_power))) | |
607 | goto nla_put_failure; | |
5dab3b8a LR |
608 | |
609 | return 0; | |
610 | ||
611 | nla_put_failure: | |
612 | return -ENOBUFS; | |
613 | } | |
614 | ||
55682965 JB |
615 | /* netlink command implementations */ |
616 | ||
b9454e83 JB |
617 | struct key_parse { |
618 | struct key_params p; | |
619 | int idx; | |
e31b8213 | 620 | int type; |
b9454e83 | 621 | bool def, defmgmt; |
dbd2fd65 | 622 | bool def_uni, def_multi; |
b9454e83 JB |
623 | }; |
624 | ||
625 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
626 | { | |
627 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
628 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
629 | nl80211_key_policy); | |
630 | if (err) | |
631 | return err; | |
632 | ||
633 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
634 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
635 | ||
dbd2fd65 JB |
636 | if (k->def) { |
637 | k->def_uni = true; | |
638 | k->def_multi = true; | |
639 | } | |
640 | if (k->defmgmt) | |
641 | k->def_multi = true; | |
642 | ||
b9454e83 JB |
643 | if (tb[NL80211_KEY_IDX]) |
644 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
645 | ||
646 | if (tb[NL80211_KEY_DATA]) { | |
647 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
648 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
649 | } | |
650 | ||
651 | if (tb[NL80211_KEY_SEQ]) { | |
652 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
653 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
654 | } | |
655 | ||
656 | if (tb[NL80211_KEY_CIPHER]) | |
657 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
658 | ||
e31b8213 JB |
659 | if (tb[NL80211_KEY_TYPE]) { |
660 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
661 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
662 | return -EINVAL; | |
663 | } | |
664 | ||
dbd2fd65 JB |
665 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
666 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
667 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
668 | tb[NL80211_KEY_DEFAULT_TYPES], | |
669 | nl80211_key_default_policy); | |
dbd2fd65 JB |
670 | if (err) |
671 | return err; | |
672 | ||
673 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
674 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
675 | } | |
676 | ||
b9454e83 JB |
677 | return 0; |
678 | } | |
679 | ||
680 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
681 | { | |
682 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
683 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
684 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
685 | } | |
686 | ||
687 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
688 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
689 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
690 | } | |
691 | ||
692 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
693 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
694 | ||
695 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
696 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
697 | ||
698 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
699 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
700 | ||
dbd2fd65 JB |
701 | if (k->def) { |
702 | k->def_uni = true; | |
703 | k->def_multi = true; | |
704 | } | |
705 | if (k->defmgmt) | |
706 | k->def_multi = true; | |
707 | ||
e31b8213 JB |
708 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
709 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
710 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
711 | return -EINVAL; | |
712 | } | |
713 | ||
dbd2fd65 JB |
714 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
715 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
716 | int err = nla_parse_nested( | |
717 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
718 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
719 | nl80211_key_default_policy); | |
720 | if (err) | |
721 | return err; | |
722 | ||
723 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
724 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
725 | } | |
726 | ||
b9454e83 JB |
727 | return 0; |
728 | } | |
729 | ||
730 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
731 | { | |
732 | int err; | |
733 | ||
734 | memset(k, 0, sizeof(*k)); | |
735 | k->idx = -1; | |
e31b8213 | 736 | k->type = -1; |
b9454e83 JB |
737 | |
738 | if (info->attrs[NL80211_ATTR_KEY]) | |
739 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
740 | else | |
741 | err = nl80211_parse_key_old(info, k); | |
742 | ||
743 | if (err) | |
744 | return err; | |
745 | ||
746 | if (k->def && k->defmgmt) | |
747 | return -EINVAL; | |
748 | ||
dbd2fd65 JB |
749 | if (k->defmgmt) { |
750 | if (k->def_uni || !k->def_multi) | |
751 | return -EINVAL; | |
752 | } | |
753 | ||
b9454e83 JB |
754 | if (k->idx != -1) { |
755 | if (k->defmgmt) { | |
756 | if (k->idx < 4 || k->idx > 5) | |
757 | return -EINVAL; | |
758 | } else if (k->def) { | |
759 | if (k->idx < 0 || k->idx > 3) | |
760 | return -EINVAL; | |
761 | } else { | |
762 | if (k->idx < 0 || k->idx > 5) | |
763 | return -EINVAL; | |
764 | } | |
765 | } | |
766 | ||
767 | return 0; | |
768 | } | |
769 | ||
fffd0934 JB |
770 | static struct cfg80211_cached_keys * |
771 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 772 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
773 | { |
774 | struct key_parse parse; | |
775 | struct nlattr *key; | |
776 | struct cfg80211_cached_keys *result; | |
777 | int rem, err, def = 0; | |
778 | ||
779 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
780 | if (!result) | |
781 | return ERR_PTR(-ENOMEM); | |
782 | ||
783 | result->def = -1; | |
784 | result->defmgmt = -1; | |
785 | ||
786 | nla_for_each_nested(key, keys, rem) { | |
787 | memset(&parse, 0, sizeof(parse)); | |
788 | parse.idx = -1; | |
789 | ||
790 | err = nl80211_parse_key_new(key, &parse); | |
791 | if (err) | |
792 | goto error; | |
793 | err = -EINVAL; | |
794 | if (!parse.p.key) | |
795 | goto error; | |
796 | if (parse.idx < 0 || parse.idx > 4) | |
797 | goto error; | |
798 | if (parse.def) { | |
799 | if (def) | |
800 | goto error; | |
801 | def = 1; | |
802 | result->def = parse.idx; | |
dbd2fd65 JB |
803 | if (!parse.def_uni || !parse.def_multi) |
804 | goto error; | |
fffd0934 JB |
805 | } else if (parse.defmgmt) |
806 | goto error; | |
807 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 808 | parse.idx, false, NULL); |
fffd0934 JB |
809 | if (err) |
810 | goto error; | |
811 | result->params[parse.idx].cipher = parse.p.cipher; | |
812 | result->params[parse.idx].key_len = parse.p.key_len; | |
813 | result->params[parse.idx].key = result->data[parse.idx]; | |
814 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
815 | |
816 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
817 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
818 | if (no_ht) | |
819 | *no_ht = true; | |
820 | } | |
fffd0934 JB |
821 | } |
822 | ||
823 | return result; | |
824 | error: | |
825 | kfree(result); | |
826 | return ERR_PTR(err); | |
827 | } | |
828 | ||
829 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
830 | { | |
831 | ASSERT_WDEV_LOCK(wdev); | |
832 | ||
fffd0934 JB |
833 | switch (wdev->iftype) { |
834 | case NL80211_IFTYPE_AP: | |
835 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 836 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 837 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
838 | break; |
839 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 840 | case NL80211_IFTYPE_STATION: |
074ac8df | 841 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 842 | if (!wdev->current_bss) |
fffd0934 JB |
843 | return -ENOLINK; |
844 | break; | |
845 | default: | |
846 | return -EINVAL; | |
847 | } | |
848 | ||
849 | return 0; | |
850 | } | |
851 | ||
7527a782 JB |
852 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
853 | { | |
854 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
855 | int i; | |
856 | ||
857 | if (!nl_modes) | |
858 | goto nla_put_failure; | |
859 | ||
860 | i = 0; | |
861 | while (ifmodes) { | |
9360ffd1 DM |
862 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
863 | goto nla_put_failure; | |
7527a782 JB |
864 | ifmodes >>= 1; |
865 | i++; | |
866 | } | |
867 | ||
868 | nla_nest_end(msg, nl_modes); | |
869 | return 0; | |
870 | ||
871 | nla_put_failure: | |
872 | return -ENOBUFS; | |
873 | } | |
874 | ||
875 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
876 | struct sk_buff *msg, |
877 | bool large) | |
7527a782 JB |
878 | { |
879 | struct nlattr *nl_combis; | |
880 | int i, j; | |
881 | ||
882 | nl_combis = nla_nest_start(msg, | |
883 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
884 | if (!nl_combis) | |
885 | goto nla_put_failure; | |
886 | ||
887 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
888 | const struct ieee80211_iface_combination *c; | |
889 | struct nlattr *nl_combi, *nl_limits; | |
890 | ||
891 | c = &wiphy->iface_combinations[i]; | |
892 | ||
893 | nl_combi = nla_nest_start(msg, i + 1); | |
894 | if (!nl_combi) | |
895 | goto nla_put_failure; | |
896 | ||
897 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
898 | if (!nl_limits) | |
899 | goto nla_put_failure; | |
900 | ||
901 | for (j = 0; j < c->n_limits; j++) { | |
902 | struct nlattr *nl_limit; | |
903 | ||
904 | nl_limit = nla_nest_start(msg, j + 1); | |
905 | if (!nl_limit) | |
906 | goto nla_put_failure; | |
9360ffd1 DM |
907 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
908 | c->limits[j].max)) | |
909 | goto nla_put_failure; | |
7527a782 JB |
910 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
911 | c->limits[j].types)) | |
912 | goto nla_put_failure; | |
913 | nla_nest_end(msg, nl_limit); | |
914 | } | |
915 | ||
916 | nla_nest_end(msg, nl_limits); | |
917 | ||
9360ffd1 DM |
918 | if (c->beacon_int_infra_match && |
919 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
920 | goto nla_put_failure; | |
921 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
922 | c->num_different_channels) || | |
923 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
924 | c->max_interfaces)) | |
925 | goto nla_put_failure; | |
cdc89b97 JB |
926 | if (large && |
927 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, | |
928 | c->radar_detect_widths)) | |
929 | goto nla_put_failure; | |
7527a782 JB |
930 | |
931 | nla_nest_end(msg, nl_combi); | |
932 | } | |
933 | ||
934 | nla_nest_end(msg, nl_combis); | |
935 | ||
936 | return 0; | |
937 | nla_put_failure: | |
938 | return -ENOBUFS; | |
939 | } | |
940 | ||
3713b4e3 | 941 | #ifdef CONFIG_PM |
b56cf720 JB |
942 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
943 | struct sk_buff *msg) | |
944 | { | |
964dc9e2 | 945 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
946 | struct nlattr *nl_tcp; |
947 | ||
948 | if (!tcp) | |
949 | return 0; | |
950 | ||
951 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
952 | if (!nl_tcp) | |
953 | return -ENOBUFS; | |
954 | ||
955 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
956 | tcp->data_payload_max)) | |
957 | return -ENOBUFS; | |
958 | ||
959 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
960 | tcp->data_payload_max)) | |
961 | return -ENOBUFS; | |
962 | ||
963 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
964 | return -ENOBUFS; | |
965 | ||
966 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
967 | sizeof(*tcp->tok), tcp->tok)) | |
968 | return -ENOBUFS; | |
969 | ||
970 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
971 | tcp->data_interval_max)) | |
972 | return -ENOBUFS; | |
973 | ||
974 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
975 | tcp->wake_payload_max)) | |
976 | return -ENOBUFS; | |
977 | ||
978 | nla_nest_end(msg, nl_tcp); | |
979 | return 0; | |
980 | } | |
981 | ||
3713b4e3 | 982 | static int nl80211_send_wowlan(struct sk_buff *msg, |
b56cf720 JB |
983 | struct cfg80211_registered_device *dev, |
984 | bool large) | |
55682965 | 985 | { |
3713b4e3 | 986 | struct nlattr *nl_wowlan; |
55682965 | 987 | |
964dc9e2 | 988 | if (!dev->wiphy.wowlan) |
3713b4e3 | 989 | return 0; |
55682965 | 990 | |
3713b4e3 JB |
991 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
992 | if (!nl_wowlan) | |
993 | return -ENOBUFS; | |
9360ffd1 | 994 | |
964dc9e2 | 995 | if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 996 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
964dc9e2 | 997 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 998 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
964dc9e2 | 999 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1000 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
964dc9e2 | 1001 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1002 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
964dc9e2 | 1003 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1004 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
964dc9e2 | 1005 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1006 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
964dc9e2 | 1007 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1008 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
964dc9e2 | 1009 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1010 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1011 | return -ENOBUFS; | |
9360ffd1 | 1012 | |
964dc9e2 | 1013 | if (dev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1014 | struct nl80211_pattern_support pat = { |
964dc9e2 JB |
1015 | .max_patterns = dev->wiphy.wowlan->n_patterns, |
1016 | .min_pattern_len = dev->wiphy.wowlan->pattern_min_len, | |
1017 | .max_pattern_len = dev->wiphy.wowlan->pattern_max_len, | |
1018 | .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1019 | }; |
9360ffd1 | 1020 | |
3713b4e3 JB |
1021 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1022 | sizeof(pat), &pat)) | |
1023 | return -ENOBUFS; | |
1024 | } | |
9360ffd1 | 1025 | |
b56cf720 JB |
1026 | if (large && nl80211_send_wowlan_tcp_caps(dev, msg)) |
1027 | return -ENOBUFS; | |
1028 | ||
3713b4e3 | 1029 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1030 | |
3713b4e3 JB |
1031 | return 0; |
1032 | } | |
1033 | #endif | |
9360ffd1 | 1034 | |
be29b99a AK |
1035 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1036 | struct cfg80211_registered_device *dev) | |
1037 | { | |
1038 | struct nl80211_coalesce_rule_support rule; | |
1039 | ||
1040 | if (!dev->wiphy.coalesce) | |
1041 | return 0; | |
1042 | ||
1043 | rule.max_rules = dev->wiphy.coalesce->n_rules; | |
1044 | rule.max_delay = dev->wiphy.coalesce->max_delay; | |
1045 | rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns; | |
1046 | rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len; | |
1047 | rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len; | |
1048 | rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset; | |
1049 | ||
1050 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1051 | return -ENOBUFS; | |
1052 | ||
1053 | return 0; | |
1054 | } | |
1055 | ||
3713b4e3 JB |
1056 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1057 | struct ieee80211_supported_band *sband) | |
1058 | { | |
1059 | struct nlattr *nl_rates, *nl_rate; | |
1060 | struct ieee80211_rate *rate; | |
1061 | int i; | |
87bbbe22 | 1062 | |
3713b4e3 JB |
1063 | /* add HT info */ |
1064 | if (sband->ht_cap.ht_supported && | |
1065 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1066 | sizeof(sband->ht_cap.mcs), | |
1067 | &sband->ht_cap.mcs) || | |
1068 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1069 | sband->ht_cap.cap) || | |
1070 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1071 | sband->ht_cap.ampdu_factor) || | |
1072 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1073 | sband->ht_cap.ampdu_density))) | |
1074 | return -ENOBUFS; | |
afe0cbf8 | 1075 | |
3713b4e3 JB |
1076 | /* add VHT info */ |
1077 | if (sband->vht_cap.vht_supported && | |
1078 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1079 | sizeof(sband->vht_cap.vht_mcs), | |
1080 | &sband->vht_cap.vht_mcs) || | |
1081 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1082 | sband->vht_cap.cap))) | |
1083 | return -ENOBUFS; | |
f59ac048 | 1084 | |
3713b4e3 JB |
1085 | /* add bitrates */ |
1086 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1087 | if (!nl_rates) | |
1088 | return -ENOBUFS; | |
ee688b00 | 1089 | |
3713b4e3 JB |
1090 | for (i = 0; i < sband->n_bitrates; i++) { |
1091 | nl_rate = nla_nest_start(msg, i); | |
1092 | if (!nl_rate) | |
1093 | return -ENOBUFS; | |
ee688b00 | 1094 | |
3713b4e3 JB |
1095 | rate = &sband->bitrates[i]; |
1096 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1097 | rate->bitrate)) | |
1098 | return -ENOBUFS; | |
1099 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1100 | nla_put_flag(msg, | |
1101 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1102 | return -ENOBUFS; | |
ee688b00 | 1103 | |
3713b4e3 JB |
1104 | nla_nest_end(msg, nl_rate); |
1105 | } | |
d51626df | 1106 | |
3713b4e3 | 1107 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1108 | |
3713b4e3 JB |
1109 | return 0; |
1110 | } | |
ee688b00 | 1111 | |
3713b4e3 JB |
1112 | static int |
1113 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1114 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1115 | { | |
1116 | u16 stypes; | |
1117 | struct nlattr *nl_ftypes, *nl_ifs; | |
1118 | enum nl80211_iftype ift; | |
1119 | int i; | |
ee688b00 | 1120 | |
3713b4e3 JB |
1121 | if (!mgmt_stypes) |
1122 | return 0; | |
5dab3b8a | 1123 | |
3713b4e3 JB |
1124 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1125 | if (!nl_ifs) | |
1126 | return -ENOBUFS; | |
e2f367f2 | 1127 | |
3713b4e3 JB |
1128 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1129 | nl_ftypes = nla_nest_start(msg, ift); | |
1130 | if (!nl_ftypes) | |
1131 | return -ENOBUFS; | |
1132 | i = 0; | |
1133 | stypes = mgmt_stypes[ift].tx; | |
1134 | while (stypes) { | |
1135 | if ((stypes & 1) && | |
1136 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1137 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1138 | return -ENOBUFS; | |
1139 | stypes >>= 1; | |
1140 | i++; | |
ee688b00 | 1141 | } |
3713b4e3 JB |
1142 | nla_nest_end(msg, nl_ftypes); |
1143 | } | |
ee688b00 | 1144 | |
3713b4e3 | 1145 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1146 | |
3713b4e3 JB |
1147 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1148 | if (!nl_ifs) | |
1149 | return -ENOBUFS; | |
ee688b00 | 1150 | |
3713b4e3 JB |
1151 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1152 | nl_ftypes = nla_nest_start(msg, ift); | |
1153 | if (!nl_ftypes) | |
1154 | return -ENOBUFS; | |
1155 | i = 0; | |
1156 | stypes = mgmt_stypes[ift].rx; | |
1157 | while (stypes) { | |
1158 | if ((stypes & 1) && | |
1159 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1160 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1161 | return -ENOBUFS; | |
1162 | stypes >>= 1; | |
1163 | i++; | |
1164 | } | |
1165 | nla_nest_end(msg, nl_ftypes); | |
1166 | } | |
1167 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1168 | |
3713b4e3 JB |
1169 | return 0; |
1170 | } | |
ee688b00 | 1171 | |
86e8cf98 JB |
1172 | struct nl80211_dump_wiphy_state { |
1173 | s64 filter_wiphy; | |
1174 | long start; | |
1175 | long split_start, band_start, chan_start; | |
1176 | bool split; | |
1177 | }; | |
1178 | ||
3713b4e3 JB |
1179 | static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, |
1180 | struct sk_buff *msg, u32 portid, u32 seq, | |
86e8cf98 | 1181 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1182 | { |
1183 | void *hdr; | |
1184 | struct nlattr *nl_bands, *nl_band; | |
1185 | struct nlattr *nl_freqs, *nl_freq; | |
1186 | struct nlattr *nl_cmds; | |
1187 | enum ieee80211_band band; | |
1188 | struct ieee80211_channel *chan; | |
1189 | int i; | |
1190 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1191 | dev->wiphy.mgmt_stypes; | |
fe1abafd | 1192 | u32 features; |
ee688b00 | 1193 | |
3713b4e3 JB |
1194 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); |
1195 | if (!hdr) | |
1196 | return -ENOBUFS; | |
ee688b00 | 1197 | |
86e8cf98 JB |
1198 | if (WARN_ON(!state)) |
1199 | return -EINVAL; | |
ee688b00 | 1200 | |
3713b4e3 JB |
1201 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) || |
1202 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, | |
1203 | wiphy_name(&dev->wiphy)) || | |
1204 | nla_put_u32(msg, NL80211_ATTR_GENERATION, | |
1205 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1206 | goto nla_put_failure; |
1207 | ||
86e8cf98 | 1208 | switch (state->split_start) { |
3713b4e3 JB |
1209 | case 0: |
1210 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1211 | dev->wiphy.retry_short) || | |
1212 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
1213 | dev->wiphy.retry_long) || | |
1214 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
1215 | dev->wiphy.frag_threshold) || | |
1216 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
1217 | dev->wiphy.rts_threshold) || | |
1218 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, | |
1219 | dev->wiphy.coverage_class) || | |
1220 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, | |
1221 | dev->wiphy.max_scan_ssids) || | |
1222 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, | |
1223 | dev->wiphy.max_sched_scan_ssids) || | |
1224 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, | |
1225 | dev->wiphy.max_scan_ie_len) || | |
1226 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, | |
1227 | dev->wiphy.max_sched_scan_ie_len) || | |
1228 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, | |
1229 | dev->wiphy.max_match_sets)) | |
9360ffd1 | 1230 | goto nla_put_failure; |
3713b4e3 JB |
1231 | |
1232 | if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && | |
1233 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) | |
aa430da4 | 1234 | goto nla_put_failure; |
3713b4e3 JB |
1235 | if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
1236 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) | |
1237 | goto nla_put_failure; | |
1238 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
1239 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) | |
1240 | goto nla_put_failure; | |
1241 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && | |
1242 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) | |
1243 | goto nla_put_failure; | |
1244 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && | |
1245 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) | |
1246 | goto nla_put_failure; | |
1247 | if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && | |
1248 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) | |
9360ffd1 | 1249 | goto nla_put_failure; |
2f301ab2 SW |
1250 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
1251 | nla_put_flag(msg, WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1252 | goto nla_put_failure; | |
8fdc621d | 1253 | |
86e8cf98 JB |
1254 | state->split_start++; |
1255 | if (state->split) | |
3713b4e3 JB |
1256 | break; |
1257 | case 1: | |
1258 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1259 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
1260 | dev->wiphy.cipher_suites)) | |
1261 | goto nla_put_failure; | |
4745fc09 | 1262 | |
3713b4e3 JB |
1263 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1264 | dev->wiphy.max_num_pmkids)) | |
1265 | goto nla_put_failure; | |
b23aa676 | 1266 | |
3713b4e3 JB |
1267 | if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
1268 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) | |
9360ffd1 | 1269 | goto nla_put_failure; |
b23aa676 | 1270 | |
3713b4e3 JB |
1271 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1272 | dev->wiphy.available_antennas_tx) || | |
1273 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
1274 | dev->wiphy.available_antennas_rx)) | |
9360ffd1 | 1275 | goto nla_put_failure; |
b23aa676 | 1276 | |
3713b4e3 JB |
1277 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
1278 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
1279 | dev->wiphy.probe_resp_offload)) | |
1280 | goto nla_put_failure; | |
8fdc621d | 1281 | |
3713b4e3 JB |
1282 | if ((dev->wiphy.available_antennas_tx || |
1283 | dev->wiphy.available_antennas_rx) && | |
1284 | dev->ops->get_antenna) { | |
1285 | u32 tx_ant = 0, rx_ant = 0; | |
1286 | int res; | |
1287 | res = rdev_get_antenna(dev, &tx_ant, &rx_ant); | |
1288 | if (!res) { | |
1289 | if (nla_put_u32(msg, | |
1290 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1291 | tx_ant) || | |
1292 | nla_put_u32(msg, | |
1293 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1294 | rx_ant)) | |
1295 | goto nla_put_failure; | |
1296 | } | |
1297 | } | |
a293911d | 1298 | |
86e8cf98 JB |
1299 | state->split_start++; |
1300 | if (state->split) | |
3713b4e3 JB |
1301 | break; |
1302 | case 2: | |
1303 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1304 | dev->wiphy.interface_modes)) | |
1305 | goto nla_put_failure; | |
86e8cf98 JB |
1306 | state->split_start++; |
1307 | if (state->split) | |
3713b4e3 JB |
1308 | break; |
1309 | case 3: | |
1310 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1311 | if (!nl_bands) | |
1312 | goto nla_put_failure; | |
f7ca38df | 1313 | |
86e8cf98 JB |
1314 | for (band = state->band_start; |
1315 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1316 | struct ieee80211_supported_band *sband; |
2e161f78 | 1317 | |
3713b4e3 | 1318 | sband = dev->wiphy.bands[band]; |
2e161f78 | 1319 | |
3713b4e3 JB |
1320 | if (!sband) |
1321 | continue; | |
1322 | ||
1323 | nl_band = nla_nest_start(msg, band); | |
1324 | if (!nl_band) | |
2e161f78 | 1325 | goto nla_put_failure; |
3713b4e3 | 1326 | |
86e8cf98 | 1327 | switch (state->chan_start) { |
3713b4e3 JB |
1328 | case 0: |
1329 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1330 | goto nla_put_failure; |
86e8cf98 JB |
1331 | state->chan_start++; |
1332 | if (state->split) | |
3713b4e3 JB |
1333 | break; |
1334 | default: | |
1335 | /* add frequencies */ | |
1336 | nl_freqs = nla_nest_start( | |
1337 | msg, NL80211_BAND_ATTR_FREQS); | |
1338 | if (!nl_freqs) | |
1339 | goto nla_put_failure; | |
1340 | ||
86e8cf98 | 1341 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1342 | i < sband->n_channels; |
1343 | i++) { | |
1344 | nl_freq = nla_nest_start(msg, i); | |
1345 | if (!nl_freq) | |
1346 | goto nla_put_failure; | |
1347 | ||
1348 | chan = &sband->channels[i]; | |
1349 | ||
86e8cf98 JB |
1350 | if (nl80211_msg_put_channel( |
1351 | msg, chan, | |
1352 | state->split)) | |
3713b4e3 JB |
1353 | goto nla_put_failure; |
1354 | ||
1355 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1356 | if (state->split) |
3713b4e3 JB |
1357 | break; |
1358 | } | |
1359 | if (i < sband->n_channels) | |
86e8cf98 | 1360 | state->chan_start = i + 2; |
3713b4e3 | 1361 | else |
86e8cf98 | 1362 | state->chan_start = 0; |
3713b4e3 JB |
1363 | nla_nest_end(msg, nl_freqs); |
1364 | } | |
1365 | ||
1366 | nla_nest_end(msg, nl_band); | |
1367 | ||
86e8cf98 | 1368 | if (state->split) { |
3713b4e3 | 1369 | /* start again here */ |
86e8cf98 | 1370 | if (state->chan_start) |
3713b4e3 JB |
1371 | band--; |
1372 | break; | |
2e161f78 | 1373 | } |
2e161f78 | 1374 | } |
3713b4e3 | 1375 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1376 | |
3713b4e3 | 1377 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1378 | state->band_start = band + 1; |
3713b4e3 | 1379 | else |
86e8cf98 | 1380 | state->band_start = 0; |
74b70a4e | 1381 | |
3713b4e3 | 1382 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1383 | if (state->band_start == 0 && state->chan_start == 0) |
1384 | state->split_start++; | |
1385 | if (state->split) | |
3713b4e3 JB |
1386 | break; |
1387 | case 4: | |
1388 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1389 | if (!nl_cmds) | |
2e161f78 JB |
1390 | goto nla_put_failure; |
1391 | ||
3713b4e3 JB |
1392 | i = 0; |
1393 | #define CMD(op, n) \ | |
1394 | do { \ | |
1395 | if (dev->ops->op) { \ | |
1396 | i++; \ | |
1397 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1398 | goto nla_put_failure; \ | |
1399 | } \ | |
1400 | } while (0) | |
1401 | ||
1402 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1403 | CMD(change_virtual_intf, SET_INTERFACE); | |
1404 | CMD(add_key, NEW_KEY); | |
1405 | CMD(start_ap, START_AP); | |
1406 | CMD(add_station, NEW_STATION); | |
1407 | CMD(add_mpath, NEW_MPATH); | |
1408 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1409 | CMD(change_bss, SET_BSS); | |
1410 | CMD(auth, AUTHENTICATE); | |
1411 | CMD(assoc, ASSOCIATE); | |
1412 | CMD(deauth, DEAUTHENTICATE); | |
1413 | CMD(disassoc, DISASSOCIATE); | |
1414 | CMD(join_ibss, JOIN_IBSS); | |
1415 | CMD(join_mesh, JOIN_MESH); | |
1416 | CMD(set_pmksa, SET_PMKSA); | |
1417 | CMD(del_pmksa, DEL_PMKSA); | |
1418 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1419 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1420 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1421 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1422 | CMD(mgmt_tx, FRAME); | |
1423 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1424 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1425 | i++; | |
1426 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1427 | goto nla_put_failure; |
2e161f78 | 1428 | } |
3713b4e3 JB |
1429 | if (dev->ops->set_monitor_channel || dev->ops->start_ap || |
1430 | dev->ops->join_mesh) { | |
1431 | i++; | |
1432 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1433 | goto nla_put_failure; | |
1434 | } | |
1435 | CMD(set_wds_peer, SET_WDS_PEER); | |
1436 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1437 | CMD(tdls_mgmt, TDLS_MGMT); | |
1438 | CMD(tdls_oper, TDLS_OPER); | |
1439 | } | |
1440 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
1441 | CMD(sched_scan_start, START_SCHED_SCAN); | |
1442 | CMD(probe_client, PROBE_CLIENT); | |
1443 | CMD(set_noack_map, SET_NOACK_MAP); | |
1444 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1445 | i++; | |
1446 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1447 | goto nla_put_failure; | |
1448 | } | |
1449 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1450 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
86e8cf98 | 1451 | if (state->split) { |
5de17984 AS |
1452 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1453 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
16ef1fe2 SW |
1454 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
1455 | CMD(channel_switch, CHANNEL_SWITCH); | |
5de17984 | 1456 | } |
2e161f78 | 1457 | |
3713b4e3 JB |
1458 | #ifdef CONFIG_NL80211_TESTMODE |
1459 | CMD(testmode_cmd, TESTMODE); | |
1460 | #endif | |
ff1b6e69 | 1461 | |
3713b4e3 | 1462 | #undef CMD |
ff1b6e69 | 1463 | |
3713b4e3 JB |
1464 | if (dev->ops->connect || dev->ops->auth) { |
1465 | i++; | |
1466 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1467 | goto nla_put_failure; |
ff1b6e69 JB |
1468 | } |
1469 | ||
3713b4e3 JB |
1470 | if (dev->ops->disconnect || dev->ops->deauth) { |
1471 | i++; | |
1472 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1473 | goto nla_put_failure; | |
1474 | } | |
1475 | ||
1476 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1477 | state->split_start++; |
1478 | if (state->split) | |
3713b4e3 JB |
1479 | break; |
1480 | case 5: | |
1481 | if (dev->ops->remain_on_channel && | |
1482 | (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
1483 | nla_put_u32(msg, | |
1484 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1485 | dev->wiphy.max_remain_on_channel_duration)) | |
1486 | goto nla_put_failure; | |
1487 | ||
1488 | if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && | |
1489 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) | |
1490 | goto nla_put_failure; | |
1491 | ||
1492 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1493 | goto nla_put_failure; | |
86e8cf98 JB |
1494 | state->split_start++; |
1495 | if (state->split) | |
3713b4e3 JB |
1496 | break; |
1497 | case 6: | |
1498 | #ifdef CONFIG_PM | |
86e8cf98 | 1499 | if (nl80211_send_wowlan(msg, dev, state->split)) |
3713b4e3 | 1500 | goto nla_put_failure; |
86e8cf98 JB |
1501 | state->split_start++; |
1502 | if (state->split) | |
3713b4e3 JB |
1503 | break; |
1504 | #else | |
86e8cf98 | 1505 | state->split_start++; |
dfb89c56 | 1506 | #endif |
3713b4e3 JB |
1507 | case 7: |
1508 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1509 | dev->wiphy.software_iftypes)) | |
1510 | goto nla_put_failure; | |
ff1b6e69 | 1511 | |
86e8cf98 JB |
1512 | if (nl80211_put_iface_combinations(&dev->wiphy, msg, |
1513 | state->split)) | |
3713b4e3 | 1514 | goto nla_put_failure; |
7527a782 | 1515 | |
86e8cf98 JB |
1516 | state->split_start++; |
1517 | if (state->split) | |
3713b4e3 JB |
1518 | break; |
1519 | case 8: | |
1520 | if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && | |
1521 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1522 | dev->wiphy.ap_sme_capa)) | |
1523 | goto nla_put_failure; | |
7527a782 | 1524 | |
fe1abafd JB |
1525 | features = dev->wiphy.features; |
1526 | /* | |
1527 | * We can only add the per-channel limit information if the | |
1528 | * dump is split, otherwise it makes it too big. Therefore | |
1529 | * only advertise it in that case. | |
1530 | */ | |
86e8cf98 | 1531 | if (state->split) |
fe1abafd JB |
1532 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1533 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1534 | goto nla_put_failure; |
562a7480 | 1535 | |
3713b4e3 JB |
1536 | if (dev->wiphy.ht_capa_mod_mask && |
1537 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1538 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1539 | dev->wiphy.ht_capa_mod_mask)) | |
1540 | goto nla_put_failure; | |
1f074bd8 | 1541 | |
3713b4e3 JB |
1542 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1543 | dev->wiphy.max_acl_mac_addrs && | |
1544 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, | |
1545 | dev->wiphy.max_acl_mac_addrs)) | |
1546 | goto nla_put_failure; | |
7e7c8926 | 1547 | |
3713b4e3 JB |
1548 | /* |
1549 | * Any information below this point is only available to | |
1550 | * applications that can deal with it being split. This | |
1551 | * helps ensure that newly added capabilities don't break | |
1552 | * older tools by overrunning their buffers. | |
1553 | * | |
1554 | * We still increment split_start so that in the split | |
1555 | * case we'll continue with more data in the next round, | |
1556 | * but break unconditionally so unsplit data stops here. | |
1557 | */ | |
86e8cf98 | 1558 | state->split_start++; |
3713b4e3 JB |
1559 | break; |
1560 | case 9: | |
fe1abafd JB |
1561 | if (dev->wiphy.extended_capabilities && |
1562 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1563 | dev->wiphy.extended_capabilities_len, | |
1564 | dev->wiphy.extended_capabilities) || | |
1565 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1566 | dev->wiphy.extended_capabilities_len, | |
1567 | dev->wiphy.extended_capabilities_mask))) | |
1568 | goto nla_put_failure; | |
a50df0c4 | 1569 | |
ee2aca34 JB |
1570 | if (dev->wiphy.vht_capa_mod_mask && |
1571 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, | |
1572 | sizeof(*dev->wiphy.vht_capa_mod_mask), | |
1573 | dev->wiphy.vht_capa_mod_mask)) | |
1574 | goto nla_put_failure; | |
1575 | ||
be29b99a AK |
1576 | state->split_start++; |
1577 | break; | |
1578 | case 10: | |
1579 | if (nl80211_send_coalesce(msg, dev)) | |
1580 | goto nla_put_failure; | |
1581 | ||
3713b4e3 | 1582 | /* done */ |
86e8cf98 | 1583 | state->split_start = 0; |
3713b4e3 JB |
1584 | break; |
1585 | } | |
55682965 JB |
1586 | return genlmsg_end(msg, hdr); |
1587 | ||
1588 | nla_put_failure: | |
bc3ed28c TG |
1589 | genlmsg_cancel(msg, hdr); |
1590 | return -EMSGSIZE; | |
55682965 JB |
1591 | } |
1592 | ||
86e8cf98 JB |
1593 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1594 | struct netlink_callback *cb, | |
1595 | struct nl80211_dump_wiphy_state *state) | |
1596 | { | |
1597 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1598 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1599 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1600 | /* ignore parse errors for backward compatibility */ | |
1601 | if (ret) | |
1602 | return 0; | |
1603 | ||
1604 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1605 | if (tb[NL80211_ATTR_WIPHY]) | |
1606 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1607 | if (tb[NL80211_ATTR_WDEV]) | |
1608 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1609 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1610 | struct net_device *netdev; | |
1611 | struct cfg80211_registered_device *rdev; | |
1612 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1613 | ||
1614 | netdev = dev_get_by_index(sock_net(skb->sk), ifidx); | |
1615 | if (!netdev) | |
1616 | return -ENODEV; | |
1617 | if (netdev->ieee80211_ptr) { | |
1618 | rdev = wiphy_to_dev( | |
1619 | netdev->ieee80211_ptr->wiphy); | |
1620 | state->filter_wiphy = rdev->wiphy_idx; | |
1621 | } | |
1622 | dev_put(netdev); | |
1623 | } | |
1624 | ||
1625 | return 0; | |
1626 | } | |
1627 | ||
55682965 JB |
1628 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1629 | { | |
645e77de | 1630 | int idx = 0, ret; |
86e8cf98 | 1631 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
55682965 | 1632 | struct cfg80211_registered_device *dev; |
3a5a423b | 1633 | |
5fe231e8 | 1634 | rtnl_lock(); |
86e8cf98 JB |
1635 | if (!state) { |
1636 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1637 | if (!state) { |
1638 | rtnl_unlock(); | |
86e8cf98 | 1639 | return -ENOMEM; |
3713b4e3 | 1640 | } |
86e8cf98 JB |
1641 | state->filter_wiphy = -1; |
1642 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1643 | if (ret) { | |
1644 | kfree(state); | |
1645 | rtnl_unlock(); | |
1646 | return ret; | |
3713b4e3 | 1647 | } |
86e8cf98 | 1648 | cb->args[0] = (long)state; |
3713b4e3 JB |
1649 | } |
1650 | ||
79c97e97 | 1651 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1652 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1653 | continue; | |
86e8cf98 | 1654 | if (++idx <= state->start) |
55682965 | 1655 | continue; |
86e8cf98 JB |
1656 | if (state->filter_wiphy != -1 && |
1657 | state->filter_wiphy != dev->wiphy_idx) | |
3713b4e3 JB |
1658 | continue; |
1659 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1660 | do { | |
1661 | ret = nl80211_send_wiphy(dev, skb, | |
1662 | NETLINK_CB(cb->skb).portid, | |
1663 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1664 | NLM_F_MULTI, state); |
3713b4e3 JB |
1665 | if (ret < 0) { |
1666 | /* | |
1667 | * If sending the wiphy data didn't fit (ENOBUFS | |
1668 | * or EMSGSIZE returned), this SKB is still | |
1669 | * empty (so it's not too big because another | |
1670 | * wiphy dataset is already in the skb) and | |
1671 | * we've not tried to adjust the dump allocation | |
1672 | * yet ... then adjust the alloc size to be | |
1673 | * bigger, and return 1 but with the empty skb. | |
1674 | * This results in an empty message being RX'ed | |
1675 | * in userspace, but that is ignored. | |
1676 | * | |
1677 | * We can then retry with the larger buffer. | |
1678 | */ | |
1679 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
1680 | !skb->len && | |
1681 | cb->min_dump_alloc < 4096) { | |
1682 | cb->min_dump_alloc = 4096; | |
d98cae64 | 1683 | rtnl_unlock(); |
3713b4e3 JB |
1684 | return 1; |
1685 | } | |
1686 | idx--; | |
1687 | break; | |
645e77de | 1688 | } |
86e8cf98 | 1689 | } while (state->split_start > 0); |
3713b4e3 | 1690 | break; |
55682965 | 1691 | } |
5fe231e8 | 1692 | rtnl_unlock(); |
55682965 | 1693 | |
86e8cf98 | 1694 | state->start = idx; |
55682965 JB |
1695 | |
1696 | return skb->len; | |
1697 | } | |
1698 | ||
86e8cf98 JB |
1699 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1700 | { | |
1701 | kfree((void *)cb->args[0]); | |
1702 | return 0; | |
1703 | } | |
1704 | ||
55682965 JB |
1705 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1706 | { | |
1707 | struct sk_buff *msg; | |
4c476991 | 1708 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
86e8cf98 | 1709 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1710 | |
645e77de | 1711 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1712 | if (!msg) |
4c476991 | 1713 | return -ENOMEM; |
55682965 | 1714 | |
3713b4e3 | 1715 | if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0, |
86e8cf98 | 1716 | &state) < 0) { |
4c476991 JB |
1717 | nlmsg_free(msg); |
1718 | return -ENOBUFS; | |
1719 | } | |
55682965 | 1720 | |
134e6375 | 1721 | return genlmsg_reply(msg, info); |
55682965 JB |
1722 | } |
1723 | ||
31888487 JM |
1724 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1725 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1726 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1727 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1728 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1729 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1730 | }; | |
1731 | ||
1732 | static int parse_txq_params(struct nlattr *tb[], | |
1733 | struct ieee80211_txq_params *txq_params) | |
1734 | { | |
a3304b0a | 1735 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1736 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1737 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1738 | return -EINVAL; | |
1739 | ||
a3304b0a | 1740 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1741 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1742 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1743 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1744 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1745 | ||
a3304b0a JB |
1746 | if (txq_params->ac >= NL80211_NUM_ACS) |
1747 | return -EINVAL; | |
1748 | ||
31888487 JM |
1749 | return 0; |
1750 | } | |
1751 | ||
f444de05 JB |
1752 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1753 | { | |
1754 | /* | |
cc1d2806 JB |
1755 | * You can only set the channel explicitly for WDS interfaces, |
1756 | * all others have their channel managed via their respective | |
1757 | * "establish a connection" command (connect, join, ...) | |
1758 | * | |
1759 | * For AP/GO and mesh mode, the channel can be set with the | |
1760 | * channel userspace API, but is only stored and passed to the | |
1761 | * low-level driver when the AP starts or the mesh is joined. | |
1762 | * This is for backward compatibility, userspace can also give | |
1763 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1764 | * |
1765 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1766 | * whatever else is going on, so they have their own special |
1767 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1768 | */ |
1769 | return !wdev || | |
1770 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1771 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1772 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1773 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1774 | } |
1775 | ||
683b6d3b JB |
1776 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1777 | struct genl_info *info, | |
1778 | struct cfg80211_chan_def *chandef) | |
1779 | { | |
dbeca2ea | 1780 | u32 control_freq; |
683b6d3b JB |
1781 | |
1782 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1783 | return -EINVAL; | |
1784 | ||
1785 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1786 | ||
1787 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1788 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1789 | chandef->center_freq1 = control_freq; | |
1790 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1791 | |
1792 | /* Primary channel not allowed */ | |
1793 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1794 | return -EINVAL; | |
1795 | ||
3d9d1d66 JB |
1796 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1797 | enum nl80211_channel_type chantype; | |
1798 | ||
1799 | chantype = nla_get_u32( | |
1800 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1801 | ||
1802 | switch (chantype) { | |
1803 | case NL80211_CHAN_NO_HT: | |
1804 | case NL80211_CHAN_HT20: | |
1805 | case NL80211_CHAN_HT40PLUS: | |
1806 | case NL80211_CHAN_HT40MINUS: | |
1807 | cfg80211_chandef_create(chandef, chandef->chan, | |
1808 | chantype); | |
1809 | break; | |
1810 | default: | |
1811 | return -EINVAL; | |
1812 | } | |
1813 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1814 | chandef->width = | |
1815 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1816 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1817 | chandef->center_freq1 = | |
1818 | nla_get_u32( | |
1819 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1820 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1821 | chandef->center_freq2 = | |
1822 | nla_get_u32( | |
1823 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1824 | } | |
1825 | ||
9f5e8f6e | 1826 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1827 | return -EINVAL; |
1828 | ||
9f5e8f6e JB |
1829 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1830 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1831 | return -EINVAL; |
1832 | ||
2f301ab2 SW |
1833 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1834 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1835 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1836 | return -EINVAL; | |
1837 | ||
683b6d3b JB |
1838 | return 0; |
1839 | } | |
1840 | ||
f444de05 JB |
1841 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
1842 | struct wireless_dev *wdev, | |
1843 | struct genl_info *info) | |
1844 | { | |
683b6d3b | 1845 | struct cfg80211_chan_def chandef; |
f444de05 | 1846 | int result; |
e8c9bd5b JB |
1847 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
1848 | ||
1849 | if (wdev) | |
1850 | iftype = wdev->iftype; | |
f444de05 | 1851 | |
f444de05 JB |
1852 | if (!nl80211_can_set_dev_channel(wdev)) |
1853 | return -EOPNOTSUPP; | |
1854 | ||
683b6d3b JB |
1855 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1856 | if (result) | |
1857 | return result; | |
f444de05 | 1858 | |
e8c9bd5b | 1859 | switch (iftype) { |
aa430da4 JB |
1860 | case NL80211_IFTYPE_AP: |
1861 | case NL80211_IFTYPE_P2P_GO: | |
1862 | if (wdev->beacon_interval) { | |
1863 | result = -EBUSY; | |
1864 | break; | |
1865 | } | |
683b6d3b | 1866 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) { |
aa430da4 JB |
1867 | result = -EINVAL; |
1868 | break; | |
1869 | } | |
683b6d3b | 1870 | wdev->preset_chandef = chandef; |
aa430da4 JB |
1871 | result = 0; |
1872 | break; | |
cc1d2806 | 1873 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 1874 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 1875 | break; |
e8c9bd5b | 1876 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 1877 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 1878 | break; |
aa430da4 | 1879 | default: |
e8c9bd5b | 1880 | result = -EINVAL; |
f444de05 | 1881 | } |
f444de05 JB |
1882 | |
1883 | return result; | |
1884 | } | |
1885 | ||
1886 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1887 | { | |
4c476991 JB |
1888 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1889 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1890 | |
4c476991 | 1891 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1892 | } |
1893 | ||
e8347eba BJ |
1894 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1895 | { | |
43b19952 JB |
1896 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1897 | struct net_device *dev = info->user_ptr[1]; | |
1898 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1899 | const u8 *bssid; |
e8347eba BJ |
1900 | |
1901 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1902 | return -EINVAL; | |
1903 | ||
43b19952 JB |
1904 | if (netif_running(dev)) |
1905 | return -EBUSY; | |
e8347eba | 1906 | |
43b19952 JB |
1907 | if (!rdev->ops->set_wds_peer) |
1908 | return -EOPNOTSUPP; | |
e8347eba | 1909 | |
43b19952 JB |
1910 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1911 | return -EOPNOTSUPP; | |
e8347eba BJ |
1912 | |
1913 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 1914 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
1915 | } |
1916 | ||
1917 | ||
55682965 JB |
1918 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1919 | { | |
1920 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1921 | struct net_device *netdev = NULL; |
1922 | struct wireless_dev *wdev; | |
a1e567c8 | 1923 | int result = 0, rem_txq_params = 0; |
31888487 | 1924 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1925 | u32 changed; |
1926 | u8 retry_short = 0, retry_long = 0; | |
1927 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1928 | u8 coverage_class = 0; |
55682965 | 1929 | |
5fe231e8 JB |
1930 | ASSERT_RTNL(); |
1931 | ||
f444de05 JB |
1932 | /* |
1933 | * Try to find the wiphy and netdev. Normally this | |
1934 | * function shouldn't need the netdev, but this is | |
1935 | * done for backward compatibility -- previously | |
1936 | * setting the channel was done per wiphy, but now | |
1937 | * it is per netdev. Previous userland like hostapd | |
1938 | * also passed a netdev to set_wiphy, so that it is | |
1939 | * possible to let that go to the right netdev! | |
1940 | */ | |
4bbf4d56 | 1941 | |
f444de05 JB |
1942 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1943 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1944 | ||
1945 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
5fe231e8 | 1946 | if (netdev && netdev->ieee80211_ptr) |
f444de05 | 1947 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 1948 | else |
f444de05 | 1949 | netdev = NULL; |
4bbf4d56 JB |
1950 | } |
1951 | ||
f444de05 | 1952 | if (!netdev) { |
878d9ec7 JB |
1953 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
1954 | info->attrs); | |
5fe231e8 | 1955 | if (IS_ERR(rdev)) |
4c476991 | 1956 | return PTR_ERR(rdev); |
f444de05 JB |
1957 | wdev = NULL; |
1958 | netdev = NULL; | |
1959 | result = 0; | |
71fe96bf | 1960 | } else |
f444de05 | 1961 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
1962 | |
1963 | /* | |
1964 | * end workaround code, by now the rdev is available | |
1965 | * and locked, and wdev may or may not be NULL. | |
1966 | */ | |
4bbf4d56 JB |
1967 | |
1968 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1969 | result = cfg80211_dev_rename( |
1970 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 1971 | |
4bbf4d56 JB |
1972 | if (result) |
1973 | goto bad_res; | |
31888487 JM |
1974 | |
1975 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1976 | struct ieee80211_txq_params txq_params; | |
1977 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1978 | ||
1979 | if (!rdev->ops->set_txq_params) { | |
1980 | result = -EOPNOTSUPP; | |
1981 | goto bad_res; | |
1982 | } | |
1983 | ||
f70f01c2 EP |
1984 | if (!netdev) { |
1985 | result = -EINVAL; | |
1986 | goto bad_res; | |
1987 | } | |
1988 | ||
133a3ff2 JB |
1989 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
1990 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
1991 | result = -EINVAL; | |
1992 | goto bad_res; | |
1993 | } | |
1994 | ||
2b5f8b0b JB |
1995 | if (!netif_running(netdev)) { |
1996 | result = -ENETDOWN; | |
1997 | goto bad_res; | |
1998 | } | |
1999 | ||
31888487 JM |
2000 | nla_for_each_nested(nl_txq_params, |
2001 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2002 | rem_txq_params) { | |
2003 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
2004 | nla_data(nl_txq_params), | |
2005 | nla_len(nl_txq_params), | |
2006 | txq_params_policy); | |
2007 | result = parse_txq_params(tb, &txq_params); | |
2008 | if (result) | |
2009 | goto bad_res; | |
2010 | ||
e35e4d28 HG |
2011 | result = rdev_set_txq_params(rdev, netdev, |
2012 | &txq_params); | |
31888487 JM |
2013 | if (result) |
2014 | goto bad_res; | |
2015 | } | |
2016 | } | |
55682965 | 2017 | |
72bdcf34 | 2018 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
71fe96bf JB |
2019 | result = __nl80211_set_channel(rdev, |
2020 | nl80211_can_set_dev_channel(wdev) ? wdev : NULL, | |
2021 | info); | |
72bdcf34 JM |
2022 | if (result) |
2023 | goto bad_res; | |
2024 | } | |
2025 | ||
98d2ff8b | 2026 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2027 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2028 | enum nl80211_tx_power_setting type; |
2029 | int idx, mbm = 0; | |
2030 | ||
c8442118 JB |
2031 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2032 | txp_wdev = NULL; | |
2033 | ||
98d2ff8b | 2034 | if (!rdev->ops->set_tx_power) { |
60ea385f | 2035 | result = -EOPNOTSUPP; |
98d2ff8b JO |
2036 | goto bad_res; |
2037 | } | |
2038 | ||
2039 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2040 | type = nla_get_u32(info->attrs[idx]); | |
2041 | ||
2042 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
2043 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
2044 | result = -EINVAL; | |
2045 | goto bad_res; | |
2046 | } | |
2047 | ||
2048 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2049 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2050 | mbm = nla_get_u32(info->attrs[idx]); | |
2051 | } | |
2052 | ||
c8442118 | 2053 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b JO |
2054 | if (result) |
2055 | goto bad_res; | |
2056 | } | |
2057 | ||
afe0cbf8 BR |
2058 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2059 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2060 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2061 | if ((!rdev->wiphy.available_antennas_tx && |
2062 | !rdev->wiphy.available_antennas_rx) || | |
2063 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
2064 | result = -EOPNOTSUPP; |
2065 | goto bad_res; | |
2066 | } | |
2067 | ||
2068 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2069 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2070 | ||
a7ffac95 | 2071 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2072 | * available antenna masks, except for the "all" mask */ |
2073 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
2074 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
2075 | result = -EINVAL; |
2076 | goto bad_res; | |
2077 | } | |
2078 | ||
7f531e03 BR |
2079 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2080 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2081 | |
e35e4d28 | 2082 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 BR |
2083 | if (result) |
2084 | goto bad_res; | |
2085 | } | |
2086 | ||
b9a5f8ca JM |
2087 | changed = 0; |
2088 | ||
2089 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2090 | retry_short = nla_get_u8( | |
2091 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
2092 | if (retry_short == 0) { | |
2093 | result = -EINVAL; | |
2094 | goto bad_res; | |
2095 | } | |
2096 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
2097 | } | |
2098 | ||
2099 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2100 | retry_long = nla_get_u8( | |
2101 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
2102 | if (retry_long == 0) { | |
2103 | result = -EINVAL; | |
2104 | goto bad_res; | |
2105 | } | |
2106 | changed |= WIPHY_PARAM_RETRY_LONG; | |
2107 | } | |
2108 | ||
2109 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2110 | frag_threshold = nla_get_u32( | |
2111 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
2112 | if (frag_threshold < 256) { | |
2113 | result = -EINVAL; | |
2114 | goto bad_res; | |
2115 | } | |
2116 | if (frag_threshold != (u32) -1) { | |
2117 | /* | |
2118 | * Fragments (apart from the last one) are required to | |
2119 | * have even length. Make the fragmentation code | |
2120 | * simpler by stripping LSB should someone try to use | |
2121 | * odd threshold value. | |
2122 | */ | |
2123 | frag_threshold &= ~0x1; | |
2124 | } | |
2125 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2126 | } | |
2127 | ||
2128 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2129 | rts_threshold = nla_get_u32( | |
2130 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2131 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2132 | } | |
2133 | ||
81077e82 LT |
2134 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
2135 | coverage_class = nla_get_u8( | |
2136 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2137 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2138 | } | |
2139 | ||
b9a5f8ca JM |
2140 | if (changed) { |
2141 | u8 old_retry_short, old_retry_long; | |
2142 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2143 | u8 old_coverage_class; |
b9a5f8ca JM |
2144 | |
2145 | if (!rdev->ops->set_wiphy_params) { | |
2146 | result = -EOPNOTSUPP; | |
2147 | goto bad_res; | |
2148 | } | |
2149 | ||
2150 | old_retry_short = rdev->wiphy.retry_short; | |
2151 | old_retry_long = rdev->wiphy.retry_long; | |
2152 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2153 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2154 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2155 | |
2156 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2157 | rdev->wiphy.retry_short = retry_short; | |
2158 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2159 | rdev->wiphy.retry_long = retry_long; | |
2160 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2161 | rdev->wiphy.frag_threshold = frag_threshold; | |
2162 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2163 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2164 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2165 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2166 | |
e35e4d28 | 2167 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2168 | if (result) { |
2169 | rdev->wiphy.retry_short = old_retry_short; | |
2170 | rdev->wiphy.retry_long = old_retry_long; | |
2171 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2172 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2173 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2174 | } |
2175 | } | |
72bdcf34 | 2176 | |
306d6112 | 2177 | bad_res: |
f444de05 JB |
2178 | if (netdev) |
2179 | dev_put(netdev); | |
55682965 JB |
2180 | return result; |
2181 | } | |
2182 | ||
71bbc994 JB |
2183 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2184 | { | |
2185 | return (u64)wdev->identifier | | |
2186 | ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); | |
2187 | } | |
55682965 | 2188 | |
683b6d3b JB |
2189 | static int nl80211_send_chandef(struct sk_buff *msg, |
2190 | struct cfg80211_chan_def *chandef) | |
2191 | { | |
9f5e8f6e | 2192 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2193 | |
683b6d3b JB |
2194 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2195 | chandef->chan->center_freq)) | |
2196 | return -ENOBUFS; | |
3d9d1d66 JB |
2197 | switch (chandef->width) { |
2198 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2199 | case NL80211_CHAN_WIDTH_20: | |
2200 | case NL80211_CHAN_WIDTH_40: | |
2201 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2202 | cfg80211_get_chandef_type(chandef))) | |
2203 | return -ENOBUFS; | |
2204 | break; | |
2205 | default: | |
2206 | break; | |
2207 | } | |
2208 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2209 | return -ENOBUFS; | |
2210 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2211 | return -ENOBUFS; | |
2212 | if (chandef->center_freq2 && | |
2213 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2214 | return -ENOBUFS; |
2215 | return 0; | |
2216 | } | |
2217 | ||
15e47304 | 2218 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2219 | struct cfg80211_registered_device *rdev, |
72fb2abc | 2220 | struct wireless_dev *wdev) |
55682965 | 2221 | { |
72fb2abc | 2222 | struct net_device *dev = wdev->netdev; |
55682965 JB |
2223 | void *hdr; |
2224 | ||
15e47304 | 2225 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
2226 | if (!hdr) |
2227 | return -1; | |
2228 | ||
72fb2abc JB |
2229 | if (dev && |
2230 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2231 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2232 | goto nla_put_failure; |
2233 | ||
2234 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2235 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2236 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2237 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2238 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2239 | rdev->devlist_generation ^ | |
2240 | (cfg80211_rdev_list_generation << 2))) | |
2241 | goto nla_put_failure; | |
f5ea9120 | 2242 | |
5b7ccaf3 | 2243 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2244 | int ret; |
2245 | struct cfg80211_chan_def chandef; | |
2246 | ||
2247 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2248 | if (ret == 0) { | |
2249 | if (nl80211_send_chandef(msg, &chandef)) | |
2250 | goto nla_put_failure; | |
2251 | } | |
d91df0e3 PF |
2252 | } |
2253 | ||
b84e7a05 AQ |
2254 | if (wdev->ssid_len) { |
2255 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2256 | goto nla_put_failure; | |
2257 | } | |
2258 | ||
55682965 JB |
2259 | return genlmsg_end(msg, hdr); |
2260 | ||
2261 | nla_put_failure: | |
bc3ed28c TG |
2262 | genlmsg_cancel(msg, hdr); |
2263 | return -EMSGSIZE; | |
55682965 JB |
2264 | } |
2265 | ||
2266 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2267 | { | |
2268 | int wp_idx = 0; | |
2269 | int if_idx = 0; | |
2270 | int wp_start = cb->args[0]; | |
2271 | int if_start = cb->args[1]; | |
f5ea9120 | 2272 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2273 | struct wireless_dev *wdev; |
2274 | ||
5fe231e8 | 2275 | rtnl_lock(); |
f5ea9120 JB |
2276 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2277 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2278 | continue; |
bba95fef JB |
2279 | if (wp_idx < wp_start) { |
2280 | wp_idx++; | |
55682965 | 2281 | continue; |
bba95fef | 2282 | } |
55682965 JB |
2283 | if_idx = 0; |
2284 | ||
89a54e48 | 2285 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2286 | if (if_idx < if_start) { |
2287 | if_idx++; | |
55682965 | 2288 | continue; |
bba95fef | 2289 | } |
15e47304 | 2290 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2291 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 2292 | rdev, wdev) < 0) { |
bba95fef JB |
2293 | goto out; |
2294 | } | |
2295 | if_idx++; | |
55682965 | 2296 | } |
bba95fef JB |
2297 | |
2298 | wp_idx++; | |
55682965 | 2299 | } |
bba95fef | 2300 | out: |
5fe231e8 | 2301 | rtnl_unlock(); |
55682965 JB |
2302 | |
2303 | cb->args[0] = wp_idx; | |
2304 | cb->args[1] = if_idx; | |
2305 | ||
2306 | return skb->len; | |
2307 | } | |
2308 | ||
2309 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2310 | { | |
2311 | struct sk_buff *msg; | |
4c476991 | 2312 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
72fb2abc | 2313 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2314 | |
fd2120ca | 2315 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2316 | if (!msg) |
4c476991 | 2317 | return -ENOMEM; |
55682965 | 2318 | |
15e47304 | 2319 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
72fb2abc | 2320 | dev, wdev) < 0) { |
4c476991 JB |
2321 | nlmsg_free(msg); |
2322 | return -ENOBUFS; | |
2323 | } | |
55682965 | 2324 | |
134e6375 | 2325 | return genlmsg_reply(msg, info); |
55682965 JB |
2326 | } |
2327 | ||
66f7ac50 MW |
2328 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2329 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2330 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2331 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2332 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2333 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2334 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2335 | }; |
2336 | ||
2337 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2338 | { | |
2339 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2340 | int flag; | |
2341 | ||
2342 | *mntrflags = 0; | |
2343 | ||
2344 | if (!nla) | |
2345 | return -EINVAL; | |
2346 | ||
2347 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2348 | nla, mntr_flags_policy)) | |
2349 | return -EINVAL; | |
2350 | ||
2351 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2352 | if (flags[flag]) | |
2353 | *mntrflags |= (1<<flag); | |
2354 | ||
2355 | return 0; | |
2356 | } | |
2357 | ||
9bc383de | 2358 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2359 | struct net_device *netdev, u8 use_4addr, |
2360 | enum nl80211_iftype iftype) | |
9bc383de | 2361 | { |
ad4bb6f8 | 2362 | if (!use_4addr) { |
f350a0a8 | 2363 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2364 | return -EBUSY; |
9bc383de | 2365 | return 0; |
ad4bb6f8 | 2366 | } |
9bc383de JB |
2367 | |
2368 | switch (iftype) { | |
2369 | case NL80211_IFTYPE_AP_VLAN: | |
2370 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2371 | return 0; | |
2372 | break; | |
2373 | case NL80211_IFTYPE_STATION: | |
2374 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2375 | return 0; | |
2376 | break; | |
2377 | default: | |
2378 | break; | |
2379 | } | |
2380 | ||
2381 | return -EOPNOTSUPP; | |
2382 | } | |
2383 | ||
55682965 JB |
2384 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2385 | { | |
4c476991 | 2386 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2387 | struct vif_params params; |
e36d56b6 | 2388 | int err; |
04a773ad | 2389 | enum nl80211_iftype otype, ntype; |
4c476991 | 2390 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2391 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2392 | bool change = false; |
55682965 | 2393 | |
2ec600d6 LCC |
2394 | memset(¶ms, 0, sizeof(params)); |
2395 | ||
04a773ad | 2396 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2397 | |
723b038d | 2398 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2399 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2400 | if (otype != ntype) |
ac7f9cfa | 2401 | change = true; |
4c476991 JB |
2402 | if (ntype > NL80211_IFTYPE_MAX) |
2403 | return -EINVAL; | |
723b038d JB |
2404 | } |
2405 | ||
92ffe055 | 2406 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2407 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2408 | ||
4c476991 JB |
2409 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2410 | return -EINVAL; | |
29cbe68c JB |
2411 | if (netif_running(dev)) |
2412 | return -EBUSY; | |
2413 | ||
2414 | wdev_lock(wdev); | |
2415 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2416 | IEEE80211_MAX_MESH_ID_LEN); | |
2417 | wdev->mesh_id_up_len = | |
2418 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2419 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2420 | wdev->mesh_id_up_len); | |
2421 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2422 | } |
2423 | ||
8b787643 FF |
2424 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2425 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2426 | change = true; | |
ad4bb6f8 | 2427 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2428 | if (err) |
4c476991 | 2429 | return err; |
8b787643 FF |
2430 | } else { |
2431 | params.use_4addr = -1; | |
2432 | } | |
2433 | ||
92ffe055 | 2434 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2435 | if (ntype != NL80211_IFTYPE_MONITOR) |
2436 | return -EINVAL; | |
92ffe055 JB |
2437 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2438 | &_flags); | |
ac7f9cfa | 2439 | if (err) |
4c476991 | 2440 | return err; |
ac7f9cfa JB |
2441 | |
2442 | flags = &_flags; | |
2443 | change = true; | |
92ffe055 | 2444 | } |
3b85875a | 2445 | |
18003297 | 2446 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2447 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2448 | return -EOPNOTSUPP; | |
2449 | ||
ac7f9cfa | 2450 | if (change) |
3d54d255 | 2451 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2452 | else |
2453 | err = 0; | |
60719ffd | 2454 | |
9bc383de JB |
2455 | if (!err && params.use_4addr != -1) |
2456 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2457 | ||
55682965 JB |
2458 | return err; |
2459 | } | |
2460 | ||
2461 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2462 | { | |
4c476991 | 2463 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2464 | struct vif_params params; |
84efbb84 | 2465 | struct wireless_dev *wdev; |
1c90f9d4 | 2466 | struct sk_buff *msg; |
55682965 JB |
2467 | int err; |
2468 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2469 | u32 flags; |
55682965 | 2470 | |
2ec600d6 LCC |
2471 | memset(¶ms, 0, sizeof(params)); |
2472 | ||
55682965 JB |
2473 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2474 | return -EINVAL; | |
2475 | ||
2476 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2477 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2478 | if (type > NL80211_IFTYPE_MAX) | |
2479 | return -EINVAL; | |
2480 | } | |
2481 | ||
79c97e97 | 2482 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2483 | !(rdev->wiphy.interface_modes & (1 << type))) |
2484 | return -EOPNOTSUPP; | |
55682965 | 2485 | |
1c18f145 AS |
2486 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2487 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2488 | ETH_ALEN); | |
2489 | if (!is_valid_ether_addr(params.macaddr)) | |
2490 | return -EADDRNOTAVAIL; | |
2491 | } | |
2492 | ||
9bc383de | 2493 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2494 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2495 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2496 | if (err) |
4c476991 | 2497 | return err; |
9bc383de | 2498 | } |
8b787643 | 2499 | |
1c90f9d4 JB |
2500 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2501 | if (!msg) | |
2502 | return -ENOMEM; | |
2503 | ||
66f7ac50 MW |
2504 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2505 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2506 | &flags); | |
e057d3c3 | 2507 | |
18003297 | 2508 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2509 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2510 | return -EOPNOTSUPP; | |
2511 | ||
e35e4d28 HG |
2512 | wdev = rdev_add_virtual_intf(rdev, |
2513 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2514 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2515 | if (IS_ERR(wdev)) { |
2516 | nlmsg_free(msg); | |
84efbb84 | 2517 | return PTR_ERR(wdev); |
1c90f9d4 | 2518 | } |
2ec600d6 | 2519 | |
98104fde JB |
2520 | switch (type) { |
2521 | case NL80211_IFTYPE_MESH_POINT: | |
2522 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2523 | break; | |
29cbe68c JB |
2524 | wdev_lock(wdev); |
2525 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2526 | IEEE80211_MAX_MESH_ID_LEN); | |
2527 | wdev->mesh_id_up_len = | |
2528 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2529 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2530 | wdev->mesh_id_up_len); | |
2531 | wdev_unlock(wdev); | |
98104fde JB |
2532 | break; |
2533 | case NL80211_IFTYPE_P2P_DEVICE: | |
2534 | /* | |
2535 | * P2P Device doesn't have a netdev, so doesn't go | |
2536 | * through the netdev notifier and must be added here | |
2537 | */ | |
2538 | mutex_init(&wdev->mtx); | |
2539 | INIT_LIST_HEAD(&wdev->event_list); | |
2540 | spin_lock_init(&wdev->event_lock); | |
2541 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2542 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2543 | ||
98104fde JB |
2544 | wdev->identifier = ++rdev->wdev_id; |
2545 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2546 | rdev->devlist_generation++; | |
98104fde JB |
2547 | break; |
2548 | default: | |
2549 | break; | |
29cbe68c JB |
2550 | } |
2551 | ||
15e47304 | 2552 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2553 | rdev, wdev) < 0) { |
2554 | nlmsg_free(msg); | |
2555 | return -ENOBUFS; | |
2556 | } | |
2557 | ||
2558 | return genlmsg_reply(msg, info); | |
55682965 JB |
2559 | } |
2560 | ||
2561 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2562 | { | |
4c476991 | 2563 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2564 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2565 | |
4c476991 JB |
2566 | if (!rdev->ops->del_virtual_intf) |
2567 | return -EOPNOTSUPP; | |
55682965 | 2568 | |
84efbb84 JB |
2569 | /* |
2570 | * If we remove a wireless device without a netdev then clear | |
2571 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2572 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2573 | * since the wdev has been freed, unlike with a netdev where | |
2574 | * we need the dev_put() for the netdev to really be freed. | |
2575 | */ | |
2576 | if (!wdev->netdev) | |
2577 | info->user_ptr[1] = NULL; | |
2578 | ||
e35e4d28 | 2579 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2580 | } |
2581 | ||
1d9d9213 SW |
2582 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2583 | { | |
2584 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2585 | struct net_device *dev = info->user_ptr[1]; | |
2586 | u16 noack_map; | |
2587 | ||
2588 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2589 | return -EINVAL; | |
2590 | ||
2591 | if (!rdev->ops->set_noack_map) | |
2592 | return -EOPNOTSUPP; | |
2593 | ||
2594 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2595 | ||
e35e4d28 | 2596 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2597 | } |
2598 | ||
41ade00f JB |
2599 | struct get_key_cookie { |
2600 | struct sk_buff *msg; | |
2601 | int error; | |
b9454e83 | 2602 | int idx; |
41ade00f JB |
2603 | }; |
2604 | ||
2605 | static void get_key_callback(void *c, struct key_params *params) | |
2606 | { | |
b9454e83 | 2607 | struct nlattr *key; |
41ade00f JB |
2608 | struct get_key_cookie *cookie = c; |
2609 | ||
9360ffd1 DM |
2610 | if ((params->key && |
2611 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2612 | params->key_len, params->key)) || | |
2613 | (params->seq && | |
2614 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2615 | params->seq_len, params->seq)) || | |
2616 | (params->cipher && | |
2617 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2618 | params->cipher))) | |
2619 | goto nla_put_failure; | |
41ade00f | 2620 | |
b9454e83 JB |
2621 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2622 | if (!key) | |
2623 | goto nla_put_failure; | |
2624 | ||
9360ffd1 DM |
2625 | if ((params->key && |
2626 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2627 | params->key_len, params->key)) || | |
2628 | (params->seq && | |
2629 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2630 | params->seq_len, params->seq)) || | |
2631 | (params->cipher && | |
2632 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2633 | params->cipher))) | |
2634 | goto nla_put_failure; | |
b9454e83 | 2635 | |
9360ffd1 DM |
2636 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2637 | goto nla_put_failure; | |
b9454e83 JB |
2638 | |
2639 | nla_nest_end(cookie->msg, key); | |
2640 | ||
41ade00f JB |
2641 | return; |
2642 | nla_put_failure: | |
2643 | cookie->error = 1; | |
2644 | } | |
2645 | ||
2646 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2647 | { | |
4c476991 | 2648 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2649 | int err; |
4c476991 | 2650 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2651 | u8 key_idx = 0; |
e31b8213 JB |
2652 | const u8 *mac_addr = NULL; |
2653 | bool pairwise; | |
41ade00f JB |
2654 | struct get_key_cookie cookie = { |
2655 | .error = 0, | |
2656 | }; | |
2657 | void *hdr; | |
2658 | struct sk_buff *msg; | |
2659 | ||
2660 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2661 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2662 | ||
3cfcf6ac | 2663 | if (key_idx > 5) |
41ade00f JB |
2664 | return -EINVAL; |
2665 | ||
2666 | if (info->attrs[NL80211_ATTR_MAC]) | |
2667 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2668 | ||
e31b8213 JB |
2669 | pairwise = !!mac_addr; |
2670 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2671 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2672 | if (kt >= NUM_NL80211_KEYTYPES) | |
2673 | return -EINVAL; | |
2674 | if (kt != NL80211_KEYTYPE_GROUP && | |
2675 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2676 | return -EINVAL; | |
2677 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2678 | } | |
2679 | ||
4c476991 JB |
2680 | if (!rdev->ops->get_key) |
2681 | return -EOPNOTSUPP; | |
41ade00f | 2682 | |
fd2120ca | 2683 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2684 | if (!msg) |
2685 | return -ENOMEM; | |
41ade00f | 2686 | |
15e47304 | 2687 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2688 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 2689 | if (!hdr) |
9fe271af | 2690 | goto nla_put_failure; |
41ade00f JB |
2691 | |
2692 | cookie.msg = msg; | |
b9454e83 | 2693 | cookie.idx = key_idx; |
41ade00f | 2694 | |
9360ffd1 DM |
2695 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2696 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2697 | goto nla_put_failure; | |
2698 | if (mac_addr && | |
2699 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2700 | goto nla_put_failure; | |
41ade00f | 2701 | |
e31b8213 JB |
2702 | if (pairwise && mac_addr && |
2703 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2704 | return -ENOENT; | |
2705 | ||
e35e4d28 HG |
2706 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2707 | get_key_callback); | |
41ade00f JB |
2708 | |
2709 | if (err) | |
6c95e2a2 | 2710 | goto free_msg; |
41ade00f JB |
2711 | |
2712 | if (cookie.error) | |
2713 | goto nla_put_failure; | |
2714 | ||
2715 | genlmsg_end(msg, hdr); | |
4c476991 | 2716 | return genlmsg_reply(msg, info); |
41ade00f JB |
2717 | |
2718 | nla_put_failure: | |
2719 | err = -ENOBUFS; | |
6c95e2a2 | 2720 | free_msg: |
41ade00f | 2721 | nlmsg_free(msg); |
41ade00f JB |
2722 | return err; |
2723 | } | |
2724 | ||
2725 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2726 | { | |
4c476991 | 2727 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2728 | struct key_parse key; |
41ade00f | 2729 | int err; |
4c476991 | 2730 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2731 | |
b9454e83 JB |
2732 | err = nl80211_parse_key(info, &key); |
2733 | if (err) | |
2734 | return err; | |
41ade00f | 2735 | |
b9454e83 | 2736 | if (key.idx < 0) |
41ade00f JB |
2737 | return -EINVAL; |
2738 | ||
b9454e83 JB |
2739 | /* only support setting default key */ |
2740 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2741 | return -EINVAL; |
2742 | ||
dbd2fd65 | 2743 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2744 | |
dbd2fd65 JB |
2745 | if (key.def) { |
2746 | if (!rdev->ops->set_default_key) { | |
2747 | err = -EOPNOTSUPP; | |
2748 | goto out; | |
2749 | } | |
41ade00f | 2750 | |
dbd2fd65 JB |
2751 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2752 | if (err) | |
2753 | goto out; | |
2754 | ||
e35e4d28 | 2755 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2756 | key.def_uni, key.def_multi); |
2757 | ||
2758 | if (err) | |
2759 | goto out; | |
fffd0934 | 2760 | |
3d23e349 | 2761 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2762 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2763 | #endif | |
2764 | } else { | |
2765 | if (key.def_uni || !key.def_multi) { | |
2766 | err = -EINVAL; | |
2767 | goto out; | |
2768 | } | |
2769 | ||
2770 | if (!rdev->ops->set_default_mgmt_key) { | |
2771 | err = -EOPNOTSUPP; | |
2772 | goto out; | |
2773 | } | |
2774 | ||
2775 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2776 | if (err) | |
2777 | goto out; | |
2778 | ||
e35e4d28 | 2779 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2780 | if (err) |
2781 | goto out; | |
2782 | ||
2783 | #ifdef CONFIG_CFG80211_WEXT | |
2784 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2785 | #endif |
dbd2fd65 JB |
2786 | } |
2787 | ||
2788 | out: | |
fffd0934 | 2789 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2790 | |
41ade00f JB |
2791 | return err; |
2792 | } | |
2793 | ||
2794 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2795 | { | |
4c476991 | 2796 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2797 | int err; |
4c476991 | 2798 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2799 | struct key_parse key; |
e31b8213 | 2800 | const u8 *mac_addr = NULL; |
41ade00f | 2801 | |
b9454e83 JB |
2802 | err = nl80211_parse_key(info, &key); |
2803 | if (err) | |
2804 | return err; | |
41ade00f | 2805 | |
b9454e83 | 2806 | if (!key.p.key) |
41ade00f JB |
2807 | return -EINVAL; |
2808 | ||
41ade00f JB |
2809 | if (info->attrs[NL80211_ATTR_MAC]) |
2810 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2811 | ||
e31b8213 JB |
2812 | if (key.type == -1) { |
2813 | if (mac_addr) | |
2814 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2815 | else | |
2816 | key.type = NL80211_KEYTYPE_GROUP; | |
2817 | } | |
2818 | ||
2819 | /* for now */ | |
2820 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2821 | key.type != NL80211_KEYTYPE_GROUP) | |
2822 | return -EINVAL; | |
2823 | ||
4c476991 JB |
2824 | if (!rdev->ops->add_key) |
2825 | return -EOPNOTSUPP; | |
25e47c18 | 2826 | |
e31b8213 JB |
2827 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2828 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2829 | mac_addr)) | |
4c476991 | 2830 | return -EINVAL; |
41ade00f | 2831 | |
fffd0934 JB |
2832 | wdev_lock(dev->ieee80211_ptr); |
2833 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2834 | if (!err) | |
e35e4d28 HG |
2835 | err = rdev_add_key(rdev, dev, key.idx, |
2836 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2837 | mac_addr, &key.p); | |
fffd0934 | 2838 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2839 | |
41ade00f JB |
2840 | return err; |
2841 | } | |
2842 | ||
2843 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2844 | { | |
4c476991 | 2845 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2846 | int err; |
4c476991 | 2847 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2848 | u8 *mac_addr = NULL; |
b9454e83 | 2849 | struct key_parse key; |
41ade00f | 2850 | |
b9454e83 JB |
2851 | err = nl80211_parse_key(info, &key); |
2852 | if (err) | |
2853 | return err; | |
41ade00f JB |
2854 | |
2855 | if (info->attrs[NL80211_ATTR_MAC]) | |
2856 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2857 | ||
e31b8213 JB |
2858 | if (key.type == -1) { |
2859 | if (mac_addr) | |
2860 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2861 | else | |
2862 | key.type = NL80211_KEYTYPE_GROUP; | |
2863 | } | |
2864 | ||
2865 | /* for now */ | |
2866 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2867 | key.type != NL80211_KEYTYPE_GROUP) | |
2868 | return -EINVAL; | |
2869 | ||
4c476991 JB |
2870 | if (!rdev->ops->del_key) |
2871 | return -EOPNOTSUPP; | |
41ade00f | 2872 | |
fffd0934 JB |
2873 | wdev_lock(dev->ieee80211_ptr); |
2874 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2875 | |
2876 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2877 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2878 | err = -ENOENT; | |
2879 | ||
fffd0934 | 2880 | if (!err) |
e35e4d28 HG |
2881 | err = rdev_del_key(rdev, dev, key.idx, |
2882 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2883 | mac_addr); | |
41ade00f | 2884 | |
3d23e349 | 2885 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2886 | if (!err) { |
b9454e83 | 2887 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2888 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2889 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2890 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2891 | } | |
2892 | #endif | |
fffd0934 | 2893 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2894 | |
41ade00f JB |
2895 | return err; |
2896 | } | |
2897 | ||
77765eaf VT |
2898 | /* This function returns an error or the number of nested attributes */ |
2899 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
2900 | { | |
2901 | struct nlattr *attr; | |
2902 | int n_entries = 0, tmp; | |
2903 | ||
2904 | nla_for_each_nested(attr, nl_attr, tmp) { | |
2905 | if (nla_len(attr) != ETH_ALEN) | |
2906 | return -EINVAL; | |
2907 | ||
2908 | n_entries++; | |
2909 | } | |
2910 | ||
2911 | return n_entries; | |
2912 | } | |
2913 | ||
2914 | /* | |
2915 | * This function parses ACL information and allocates memory for ACL data. | |
2916 | * On successful return, the calling function is responsible to free the | |
2917 | * ACL buffer returned by this function. | |
2918 | */ | |
2919 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
2920 | struct genl_info *info) | |
2921 | { | |
2922 | enum nl80211_acl_policy acl_policy; | |
2923 | struct nlattr *attr; | |
2924 | struct cfg80211_acl_data *acl; | |
2925 | int i = 0, n_entries, tmp; | |
2926 | ||
2927 | if (!wiphy->max_acl_mac_addrs) | |
2928 | return ERR_PTR(-EOPNOTSUPP); | |
2929 | ||
2930 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
2931 | return ERR_PTR(-EINVAL); | |
2932 | ||
2933 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
2934 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
2935 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
2936 | return ERR_PTR(-EINVAL); | |
2937 | ||
2938 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
2939 | return ERR_PTR(-EINVAL); | |
2940 | ||
2941 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
2942 | if (n_entries < 0) | |
2943 | return ERR_PTR(n_entries); | |
2944 | ||
2945 | if (n_entries > wiphy->max_acl_mac_addrs) | |
2946 | return ERR_PTR(-ENOTSUPP); | |
2947 | ||
2948 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
2949 | GFP_KERNEL); | |
2950 | if (!acl) | |
2951 | return ERR_PTR(-ENOMEM); | |
2952 | ||
2953 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
2954 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
2955 | i++; | |
2956 | } | |
2957 | ||
2958 | acl->n_acl_entries = n_entries; | |
2959 | acl->acl_policy = acl_policy; | |
2960 | ||
2961 | return acl; | |
2962 | } | |
2963 | ||
2964 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
2965 | { | |
2966 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2967 | struct net_device *dev = info->user_ptr[1]; | |
2968 | struct cfg80211_acl_data *acl; | |
2969 | int err; | |
2970 | ||
2971 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2972 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2973 | return -EOPNOTSUPP; | |
2974 | ||
2975 | if (!dev->ieee80211_ptr->beacon_interval) | |
2976 | return -EINVAL; | |
2977 | ||
2978 | acl = parse_acl_data(&rdev->wiphy, info); | |
2979 | if (IS_ERR(acl)) | |
2980 | return PTR_ERR(acl); | |
2981 | ||
2982 | err = rdev_set_mac_acl(rdev, dev, acl); | |
2983 | ||
2984 | kfree(acl); | |
2985 | ||
2986 | return err; | |
2987 | } | |
2988 | ||
a1193be8 | 2989 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 2990 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 2991 | { |
8860020e | 2992 | bool haveinfo = false; |
ed1b6cc7 | 2993 | |
a1193be8 SW |
2994 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
2995 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
2996 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
2997 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
2998 | return -EINVAL; |
2999 | ||
8860020e | 3000 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3001 | |
a1193be8 SW |
3002 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3003 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3004 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3005 | if (!bcn->head_len) |
3006 | return -EINVAL; | |
3007 | haveinfo = true; | |
ed1b6cc7 JB |
3008 | } |
3009 | ||
a1193be8 SW |
3010 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3011 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3012 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3013 | haveinfo = true; |
ed1b6cc7 JB |
3014 | } |
3015 | ||
4c476991 JB |
3016 | if (!haveinfo) |
3017 | return -EINVAL; | |
3b85875a | 3018 | |
a1193be8 SW |
3019 | if (attrs[NL80211_ATTR_IE]) { |
3020 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3021 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3022 | } |
3023 | ||
a1193be8 | 3024 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3025 | bcn->proberesp_ies = |
a1193be8 | 3026 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3027 | bcn->proberesp_ies_len = |
a1193be8 | 3028 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3029 | } |
3030 | ||
a1193be8 | 3031 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3032 | bcn->assocresp_ies = |
a1193be8 | 3033 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3034 | bcn->assocresp_ies_len = |
a1193be8 | 3035 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3036 | } |
3037 | ||
a1193be8 SW |
3038 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3039 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3040 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3041 | } |
3042 | ||
8860020e JB |
3043 | return 0; |
3044 | } | |
3045 | ||
46c1dd0c FF |
3046 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3047 | struct cfg80211_ap_settings *params) | |
3048 | { | |
3049 | struct wireless_dev *wdev; | |
3050 | bool ret = false; | |
3051 | ||
89a54e48 | 3052 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3053 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3054 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3055 | continue; | |
3056 | ||
683b6d3b | 3057 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3058 | continue; |
3059 | ||
683b6d3b | 3060 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3061 | ret = true; |
3062 | break; | |
3063 | } | |
3064 | ||
46c1dd0c FF |
3065 | return ret; |
3066 | } | |
3067 | ||
e39e5b5e JM |
3068 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3069 | enum nl80211_auth_type auth_type, | |
3070 | enum nl80211_commands cmd) | |
3071 | { | |
3072 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3073 | return false; | |
3074 | ||
3075 | switch (cmd) { | |
3076 | case NL80211_CMD_AUTHENTICATE: | |
3077 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3078 | auth_type == NL80211_AUTHTYPE_SAE) | |
3079 | return false; | |
3080 | return true; | |
3081 | case NL80211_CMD_CONNECT: | |
3082 | case NL80211_CMD_START_AP: | |
3083 | /* SAE not supported yet */ | |
3084 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3085 | return false; | |
3086 | return true; | |
3087 | default: | |
3088 | return false; | |
3089 | } | |
3090 | } | |
3091 | ||
8860020e JB |
3092 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3093 | { | |
3094 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3095 | struct net_device *dev = info->user_ptr[1]; | |
3096 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3097 | struct cfg80211_ap_settings params; | |
3098 | int err; | |
04f39047 | 3099 | u8 radar_detect_width = 0; |
8860020e JB |
3100 | |
3101 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3102 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3103 | return -EOPNOTSUPP; | |
3104 | ||
3105 | if (!rdev->ops->start_ap) | |
3106 | return -EOPNOTSUPP; | |
3107 | ||
3108 | if (wdev->beacon_interval) | |
3109 | return -EALREADY; | |
3110 | ||
3111 | memset(¶ms, 0, sizeof(params)); | |
3112 | ||
3113 | /* these are required for START_AP */ | |
3114 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3115 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3116 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3117 | return -EINVAL; | |
3118 | ||
a1193be8 | 3119 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3120 | if (err) |
3121 | return err; | |
3122 | ||
3123 | params.beacon_interval = | |
3124 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3125 | params.dtim_period = | |
3126 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3127 | ||
3128 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3129 | if (err) | |
3130 | return err; | |
3131 | ||
3132 | /* | |
3133 | * In theory, some of these attributes should be required here | |
3134 | * but since they were not used when the command was originally | |
3135 | * added, keep them optional for old user space programs to let | |
3136 | * them continue to work with drivers that do not need the | |
3137 | * additional information -- drivers must check! | |
3138 | */ | |
3139 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3140 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3141 | params.ssid_len = | |
3142 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3143 | if (params.ssid_len == 0 || | |
3144 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3145 | return -EINVAL; | |
3146 | } | |
3147 | ||
3148 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3149 | params.hidden_ssid = nla_get_u32( | |
3150 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3151 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3152 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3153 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3154 | return -EINVAL; | |
3155 | } | |
3156 | ||
3157 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3158 | ||
3159 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3160 | params.auth_type = nla_get_u32( | |
3161 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3162 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3163 | NL80211_CMD_START_AP)) | |
8860020e JB |
3164 | return -EINVAL; |
3165 | } else | |
3166 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3167 | ||
3168 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3169 | NL80211_MAX_NR_CIPHER_SUITES); | |
3170 | if (err) | |
3171 | return err; | |
3172 | ||
1b658f11 VT |
3173 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3174 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3175 | return -EOPNOTSUPP; | |
3176 | params.inactivity_timeout = nla_get_u16( | |
3177 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3178 | } | |
3179 | ||
53cabad7 JB |
3180 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3181 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3182 | return -EINVAL; | |
3183 | params.p2p_ctwindow = | |
3184 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3185 | if (params.p2p_ctwindow > 127) | |
3186 | return -EINVAL; | |
3187 | if (params.p2p_ctwindow != 0 && | |
3188 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3189 | return -EINVAL; | |
3190 | } | |
3191 | ||
3192 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3193 | u8 tmp; | |
3194 | ||
3195 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3196 | return -EINVAL; | |
3197 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3198 | if (tmp > 1) | |
3199 | return -EINVAL; | |
3200 | params.p2p_opp_ps = tmp; | |
3201 | if (params.p2p_opp_ps != 0 && | |
3202 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3203 | return -EINVAL; | |
3204 | } | |
3205 | ||
aa430da4 | 3206 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3207 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3208 | if (err) | |
3209 | return err; | |
3210 | } else if (wdev->preset_chandef.chan) { | |
3211 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3212 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3213 | return -EINVAL; |
3214 | ||
683b6d3b | 3215 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) |
aa430da4 JB |
3216 | return -EINVAL; |
3217 | ||
04f39047 SW |
3218 | err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); |
3219 | if (err < 0) | |
3220 | return err; | |
3221 | if (err) { | |
3222 | radar_detect_width = BIT(params.chandef.width); | |
3223 | params.radar_required = true; | |
3224 | } | |
3225 | ||
04f39047 SW |
3226 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
3227 | params.chandef.chan, | |
3228 | CHAN_MODE_SHARED, | |
3229 | radar_detect_width); | |
e4e32459 MK |
3230 | if (err) |
3231 | return err; | |
3232 | ||
77765eaf VT |
3233 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3234 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3235 | if (IS_ERR(params.acl)) | |
3236 | return PTR_ERR(params.acl); | |
3237 | } | |
3238 | ||
e35e4d28 | 3239 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3240 | if (!err) { |
683b6d3b | 3241 | wdev->preset_chandef = params.chandef; |
8860020e | 3242 | wdev->beacon_interval = params.beacon_interval; |
683b6d3b | 3243 | wdev->channel = params.chandef.chan; |
06e191e2 AQ |
3244 | wdev->ssid_len = params.ssid_len; |
3245 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3246 | } |
77765eaf VT |
3247 | |
3248 | kfree(params.acl); | |
3249 | ||
56d1893d | 3250 | return err; |
ed1b6cc7 JB |
3251 | } |
3252 | ||
8860020e JB |
3253 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3254 | { | |
3255 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3256 | struct net_device *dev = info->user_ptr[1]; | |
3257 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3258 | struct cfg80211_beacon_data params; | |
3259 | int err; | |
3260 | ||
3261 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3262 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3263 | return -EOPNOTSUPP; | |
3264 | ||
3265 | if (!rdev->ops->change_beacon) | |
3266 | return -EOPNOTSUPP; | |
3267 | ||
3268 | if (!wdev->beacon_interval) | |
3269 | return -EINVAL; | |
3270 | ||
a1193be8 | 3271 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3272 | if (err) |
3273 | return err; | |
3274 | ||
e35e4d28 | 3275 | return rdev_change_beacon(rdev, dev, ¶ms); |
8860020e JB |
3276 | } |
3277 | ||
3278 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3279 | { |
4c476991 JB |
3280 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3281 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3282 | |
60771780 | 3283 | return cfg80211_stop_ap(rdev, dev); |
ed1b6cc7 JB |
3284 | } |
3285 | ||
5727ef1b JB |
3286 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3287 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3288 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3289 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3290 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3291 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3292 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3293 | }; |
3294 | ||
eccb8e8f | 3295 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3296 | enum nl80211_iftype iftype, |
eccb8e8f | 3297 | struct station_parameters *params) |
5727ef1b JB |
3298 | { |
3299 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3300 | struct nlattr *nla; |
5727ef1b JB |
3301 | int flag; |
3302 | ||
eccb8e8f JB |
3303 | /* |
3304 | * Try parsing the new attribute first so userspace | |
3305 | * can specify both for older kernels. | |
3306 | */ | |
3307 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3308 | if (nla) { | |
3309 | struct nl80211_sta_flag_update *sta_flags; | |
3310 | ||
3311 | sta_flags = nla_data(nla); | |
3312 | params->sta_flags_mask = sta_flags->mask; | |
3313 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3314 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3315 | if ((params->sta_flags_mask | |
3316 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3317 | return -EINVAL; | |
3318 | return 0; | |
3319 | } | |
3320 | ||
3321 | /* if present, parse the old attribute */ | |
5727ef1b | 3322 | |
eccb8e8f | 3323 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3324 | if (!nla) |
3325 | return 0; | |
3326 | ||
3327 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3328 | nla, sta_flags_policy)) | |
3329 | return -EINVAL; | |
3330 | ||
bdd3ae3d JB |
3331 | /* |
3332 | * Only allow certain flags for interface types so that | |
3333 | * other attributes are silently ignored. Remember that | |
3334 | * this is backward compatibility code with old userspace | |
3335 | * and shouldn't be hit in other cases anyway. | |
3336 | */ | |
3337 | switch (iftype) { | |
3338 | case NL80211_IFTYPE_AP: | |
3339 | case NL80211_IFTYPE_AP_VLAN: | |
3340 | case NL80211_IFTYPE_P2P_GO: | |
3341 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3342 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3343 | BIT(NL80211_STA_FLAG_WME) | | |
3344 | BIT(NL80211_STA_FLAG_MFP); | |
3345 | break; | |
3346 | case NL80211_IFTYPE_P2P_CLIENT: | |
3347 | case NL80211_IFTYPE_STATION: | |
3348 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3349 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3350 | break; | |
3351 | case NL80211_IFTYPE_MESH_POINT: | |
3352 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3353 | BIT(NL80211_STA_FLAG_MFP) | | |
3354 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3355 | default: | |
3356 | return -EINVAL; | |
3357 | } | |
5727ef1b | 3358 | |
3383b5a6 JB |
3359 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3360 | if (flags[flag]) { | |
eccb8e8f | 3361 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3362 | |
3383b5a6 JB |
3363 | /* no longer support new API additions in old API */ |
3364 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3365 | return -EINVAL; | |
3366 | } | |
3367 | } | |
3368 | ||
5727ef1b JB |
3369 | return 0; |
3370 | } | |
3371 | ||
c8dcfd8a FF |
3372 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3373 | int attr) | |
3374 | { | |
3375 | struct nlattr *rate; | |
8eb41c8d VK |
3376 | u32 bitrate; |
3377 | u16 bitrate_compat; | |
c8dcfd8a FF |
3378 | |
3379 | rate = nla_nest_start(msg, attr); | |
3380 | if (!rate) | |
db9c64cf | 3381 | return false; |
c8dcfd8a FF |
3382 | |
3383 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3384 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3385 | /* report 16-bit bitrate only if we can */ |
3386 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3387 | if (bitrate > 0 && |
3388 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3389 | return false; | |
3390 | if (bitrate_compat > 0 && | |
3391 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3392 | return false; | |
3393 | ||
3394 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3395 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3396 | return false; | |
3397 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3398 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3399 | return false; | |
3400 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3401 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3402 | return false; | |
3403 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3404 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3405 | return false; | |
3406 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3407 | return false; | |
3408 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3409 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3410 | return false; | |
3411 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3412 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3413 | return false; | |
3414 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3415 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3416 | return false; | |
3417 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3418 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3419 | return false; | |
3420 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3421 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3422 | return false; | |
3423 | } | |
c8dcfd8a FF |
3424 | |
3425 | nla_nest_end(msg, rate); | |
3426 | return true; | |
c8dcfd8a FF |
3427 | } |
3428 | ||
119363c7 FF |
3429 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3430 | int id) | |
3431 | { | |
3432 | void *attr; | |
3433 | int i = 0; | |
3434 | ||
3435 | if (!mask) | |
3436 | return true; | |
3437 | ||
3438 | attr = nla_nest_start(msg, id); | |
3439 | if (!attr) | |
3440 | return false; | |
3441 | ||
3442 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3443 | if (!(mask & BIT(i))) | |
3444 | continue; | |
3445 | ||
3446 | if (nla_put_u8(msg, i, signal[i])) | |
3447 | return false; | |
3448 | } | |
3449 | ||
3450 | nla_nest_end(msg, attr); | |
3451 | ||
3452 | return true; | |
3453 | } | |
3454 | ||
15e47304 | 3455 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3456 | int flags, |
3457 | struct cfg80211_registered_device *rdev, | |
3458 | struct net_device *dev, | |
98b62183 | 3459 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3460 | { |
3461 | void *hdr; | |
f4263c98 | 3462 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3463 | |
15e47304 | 3464 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3465 | if (!hdr) |
3466 | return -1; | |
3467 | ||
9360ffd1 DM |
3468 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3469 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3470 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3471 | goto nla_put_failure; | |
f5ea9120 | 3472 | |
2ec600d6 LCC |
3473 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3474 | if (!sinfoattr) | |
fd5b74dc | 3475 | goto nla_put_failure; |
9360ffd1 DM |
3476 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3477 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3478 | sinfo->connected_time)) | |
3479 | goto nla_put_failure; | |
3480 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3481 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3482 | sinfo->inactive_time)) | |
3483 | goto nla_put_failure; | |
42745e03 VK |
3484 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3485 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3486 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3487 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3488 | goto nla_put_failure; |
42745e03 | 3489 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3490 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3491 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3492 | (u32)sinfo->tx_bytes)) |
3493 | goto nla_put_failure; | |
3494 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3495 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3496 | sinfo->rx_bytes)) | |
3497 | goto nla_put_failure; | |
3498 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3499 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3500 | sinfo->tx_bytes)) |
3501 | goto nla_put_failure; | |
3502 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3503 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3504 | goto nla_put_failure; | |
3505 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3506 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3507 | goto nla_put_failure; | |
3508 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3509 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3510 | sinfo->plink_state)) | |
3511 | goto nla_put_failure; | |
66266b3a JL |
3512 | switch (rdev->wiphy.signal_type) { |
3513 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3514 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3515 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3516 | sinfo->signal)) | |
3517 | goto nla_put_failure; | |
3518 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3519 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3520 | sinfo->signal_avg)) | |
3521 | goto nla_put_failure; | |
66266b3a JL |
3522 | break; |
3523 | default: | |
3524 | break; | |
3525 | } | |
119363c7 FF |
3526 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3527 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3528 | sinfo->chain_signal, | |
3529 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3530 | goto nla_put_failure; | |
3531 | } | |
3532 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3533 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3534 | sinfo->chain_signal_avg, | |
3535 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3536 | goto nla_put_failure; | |
3537 | } | |
420e7fab | 3538 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3539 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3540 | NL80211_STA_INFO_TX_BITRATE)) | |
3541 | goto nla_put_failure; | |
3542 | } | |
3543 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3544 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3545 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3546 | goto nla_put_failure; |
420e7fab | 3547 | } |
9360ffd1 DM |
3548 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3549 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3550 | sinfo->rx_packets)) | |
3551 | goto nla_put_failure; | |
3552 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3553 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3554 | sinfo->tx_packets)) | |
3555 | goto nla_put_failure; | |
3556 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3557 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3558 | sinfo->tx_retries)) | |
3559 | goto nla_put_failure; | |
3560 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3561 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3562 | sinfo->tx_failed)) | |
3563 | goto nla_put_failure; | |
3564 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && | |
3565 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3566 | sinfo->beacon_loss_count)) | |
3567 | goto nla_put_failure; | |
3b1c5a53 MP |
3568 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3569 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3570 | sinfo->local_pm)) | |
3571 | goto nla_put_failure; | |
3572 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3573 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3574 | sinfo->peer_pm)) | |
3575 | goto nla_put_failure; | |
3576 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3577 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3578 | sinfo->nonpeer_pm)) | |
3579 | goto nla_put_failure; | |
f4263c98 PS |
3580 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3581 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3582 | if (!bss_param) | |
3583 | goto nla_put_failure; | |
3584 | ||
9360ffd1 DM |
3585 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3586 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3587 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3588 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3589 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3590 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3591 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3592 | sinfo->bss_param.dtim_period) || | |
3593 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3594 | sinfo->bss_param.beacon_interval)) | |
3595 | goto nla_put_failure; | |
f4263c98 PS |
3596 | |
3597 | nla_nest_end(msg, bss_param); | |
3598 | } | |
9360ffd1 DM |
3599 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3600 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3601 | sizeof(struct nl80211_sta_flag_update), | |
3602 | &sinfo->sta_flags)) | |
3603 | goto nla_put_failure; | |
7eab0f64 JL |
3604 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3605 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3606 | sinfo->t_offset)) | |
3607 | goto nla_put_failure; | |
2ec600d6 | 3608 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3609 | |
9360ffd1 DM |
3610 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3611 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3612 | sinfo->assoc_req_ies)) | |
3613 | goto nla_put_failure; | |
50d3dfb7 | 3614 | |
fd5b74dc JB |
3615 | return genlmsg_end(msg, hdr); |
3616 | ||
3617 | nla_put_failure: | |
bc3ed28c TG |
3618 | genlmsg_cancel(msg, hdr); |
3619 | return -EMSGSIZE; | |
fd5b74dc JB |
3620 | } |
3621 | ||
2ec600d6 | 3622 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3623 | struct netlink_callback *cb) |
2ec600d6 | 3624 | { |
2ec600d6 LCC |
3625 | struct station_info sinfo; |
3626 | struct cfg80211_registered_device *dev; | |
97990a06 | 3627 | struct wireless_dev *wdev; |
2ec600d6 | 3628 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3629 | int sta_idx = cb->args[2]; |
2ec600d6 | 3630 | int err; |
2ec600d6 | 3631 | |
97990a06 | 3632 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
3633 | if (err) |
3634 | return err; | |
bba95fef | 3635 | |
97990a06 JB |
3636 | if (!wdev->netdev) { |
3637 | err = -EINVAL; | |
3638 | goto out_err; | |
3639 | } | |
3640 | ||
bba95fef | 3641 | if (!dev->ops->dump_station) { |
eec60b03 | 3642 | err = -EOPNOTSUPP; |
bba95fef JB |
3643 | goto out_err; |
3644 | } | |
3645 | ||
bba95fef | 3646 | while (1) { |
f612cedf | 3647 | memset(&sinfo, 0, sizeof(sinfo)); |
97990a06 | 3648 | err = rdev_dump_station(dev, wdev->netdev, sta_idx, |
e35e4d28 | 3649 | mac_addr, &sinfo); |
bba95fef JB |
3650 | if (err == -ENOENT) |
3651 | break; | |
3652 | if (err) | |
3b85875a | 3653 | goto out_err; |
bba95fef JB |
3654 | |
3655 | if (nl80211_send_station(skb, | |
15e47304 | 3656 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3657 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 3658 | dev, wdev->netdev, mac_addr, |
bba95fef JB |
3659 | &sinfo) < 0) |
3660 | goto out; | |
3661 | ||
3662 | sta_idx++; | |
3663 | } | |
3664 | ||
3665 | ||
3666 | out: | |
97990a06 | 3667 | cb->args[2] = sta_idx; |
bba95fef | 3668 | err = skb->len; |
bba95fef | 3669 | out_err: |
97990a06 | 3670 | nl80211_finish_wdev_dump(dev); |
bba95fef JB |
3671 | |
3672 | return err; | |
2ec600d6 | 3673 | } |
fd5b74dc | 3674 | |
5727ef1b JB |
3675 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3676 | { | |
4c476991 JB |
3677 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3678 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3679 | struct station_info sinfo; |
fd5b74dc JB |
3680 | struct sk_buff *msg; |
3681 | u8 *mac_addr = NULL; | |
4c476991 | 3682 | int err; |
fd5b74dc | 3683 | |
2ec600d6 | 3684 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3685 | |
3686 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3687 | return -EINVAL; | |
3688 | ||
3689 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3690 | ||
4c476991 JB |
3691 | if (!rdev->ops->get_station) |
3692 | return -EOPNOTSUPP; | |
3b85875a | 3693 | |
e35e4d28 | 3694 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3695 | if (err) |
4c476991 | 3696 | return err; |
2ec600d6 | 3697 | |
fd2120ca | 3698 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3699 | if (!msg) |
4c476991 | 3700 | return -ENOMEM; |
fd5b74dc | 3701 | |
15e47304 | 3702 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3703 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3704 | nlmsg_free(msg); |
3705 | return -ENOBUFS; | |
3706 | } | |
3b85875a | 3707 | |
4c476991 | 3708 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3709 | } |
3710 | ||
77ee7c89 JB |
3711 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3712 | struct station_parameters *params, | |
3713 | enum cfg80211_station_type statype) | |
3714 | { | |
3715 | if (params->listen_interval != -1) | |
3716 | return -EINVAL; | |
3717 | if (params->aid) | |
3718 | return -EINVAL; | |
3719 | ||
3720 | /* When you run into this, adjust the code below for the new flag */ | |
3721 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3722 | ||
3723 | switch (statype) { | |
eef941e6 TP |
3724 | case CFG80211_STA_MESH_PEER_KERNEL: |
3725 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3726 | /* |
3727 | * No ignoring the TDLS flag here -- the userspace mesh | |
3728 | * code doesn't have the bug of including TDLS in the | |
3729 | * mask everywhere. | |
3730 | */ | |
3731 | if (params->sta_flags_mask & | |
3732 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3733 | BIT(NL80211_STA_FLAG_MFP) | | |
3734 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3735 | return -EINVAL; | |
3736 | break; | |
3737 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3738 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3739 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3740 | return -EINVAL; | |
3741 | /* ignore since it can't change */ | |
3742 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3743 | break; | |
3744 | default: | |
3745 | /* disallow mesh-specific things */ | |
3746 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3747 | return -EINVAL; | |
3748 | if (params->local_pm) | |
3749 | return -EINVAL; | |
3750 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3751 | return -EINVAL; | |
3752 | } | |
3753 | ||
3754 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3755 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3756 | /* TDLS can't be set, ... */ | |
3757 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3758 | return -EINVAL; | |
3759 | /* | |
3760 | * ... but don't bother the driver with it. This works around | |
3761 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3762 | * TLDS_PEER flag in the mask even for AP mode. | |
3763 | */ | |
3764 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3765 | } | |
3766 | ||
3767 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3768 | /* reject other things that can't change */ | |
3769 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3770 | return -EINVAL; | |
3771 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3772 | return -EINVAL; | |
3773 | if (params->supported_rates) | |
3774 | return -EINVAL; | |
3775 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3776 | return -EINVAL; | |
3777 | } | |
3778 | ||
3779 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3780 | if (params->vlan) | |
3781 | return -EINVAL; | |
3782 | } | |
3783 | ||
3784 | switch (statype) { | |
3785 | case CFG80211_STA_AP_MLME_CLIENT: | |
3786 | /* Use this only for authorizing/unauthorizing a station */ | |
3787 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3788 | return -EOPNOTSUPP; | |
3789 | break; | |
3790 | case CFG80211_STA_AP_CLIENT: | |
3791 | /* accept only the listed bits */ | |
3792 | if (params->sta_flags_mask & | |
3793 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3794 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3795 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3796 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3797 | BIT(NL80211_STA_FLAG_WME) | | |
3798 | BIT(NL80211_STA_FLAG_MFP))) | |
3799 | return -EINVAL; | |
3800 | ||
3801 | /* but authenticated/associated only if driver handles it */ | |
3802 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3803 | params->sta_flags_mask & | |
3804 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3805 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3806 | return -EINVAL; | |
3807 | break; | |
3808 | case CFG80211_STA_IBSS: | |
3809 | case CFG80211_STA_AP_STA: | |
3810 | /* reject any changes other than AUTHORIZED */ | |
3811 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3812 | return -EINVAL; | |
3813 | break; | |
3814 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3815 | /* reject any changes other than AUTHORIZED or WME */ | |
3816 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3817 | BIT(NL80211_STA_FLAG_WME))) | |
3818 | return -EINVAL; | |
3819 | /* force (at least) rates when authorizing */ | |
3820 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
3821 | !params->supported_rates) | |
3822 | return -EINVAL; | |
3823 | break; | |
3824 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3825 | /* reject any changes */ | |
3826 | return -EINVAL; | |
eef941e6 | 3827 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
3828 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
3829 | return -EINVAL; | |
3830 | break; | |
eef941e6 | 3831 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
3832 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
3833 | return -EINVAL; | |
3834 | break; | |
3835 | } | |
3836 | ||
3837 | return 0; | |
3838 | } | |
3839 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
3840 | ||
5727ef1b | 3841 | /* |
c258d2de | 3842 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3843 | */ |
80b99899 JB |
3844 | static struct net_device *get_vlan(struct genl_info *info, |
3845 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3846 | { |
463d0183 | 3847 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3848 | struct net_device *v; |
3849 | int ret; | |
3850 | ||
3851 | if (!vlanattr) | |
3852 | return NULL; | |
3853 | ||
3854 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3855 | if (!v) | |
3856 | return ERR_PTR(-ENODEV); | |
3857 | ||
3858 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3859 | ret = -EINVAL; | |
3860 | goto error; | |
5727ef1b | 3861 | } |
80b99899 | 3862 | |
77ee7c89 JB |
3863 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
3864 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3865 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
3866 | ret = -EINVAL; | |
3867 | goto error; | |
3868 | } | |
3869 | ||
80b99899 JB |
3870 | if (!netif_running(v)) { |
3871 | ret = -ENETDOWN; | |
3872 | goto error; | |
3873 | } | |
3874 | ||
3875 | return v; | |
3876 | error: | |
3877 | dev_put(v); | |
3878 | return ERR_PTR(ret); | |
5727ef1b JB |
3879 | } |
3880 | ||
df881293 JM |
3881 | static struct nla_policy |
3882 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
3883 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
3884 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
3885 | }; | |
3886 | ||
ff276691 JB |
3887 | static int nl80211_parse_sta_wme(struct genl_info *info, |
3888 | struct station_parameters *params) | |
df881293 | 3889 | { |
df881293 JM |
3890 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
3891 | struct nlattr *nla; | |
3892 | int err; | |
3893 | ||
df881293 JM |
3894 | /* parse WME attributes if present */ |
3895 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
3896 | return 0; | |
3897 | ||
3898 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
3899 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
3900 | nl80211_sta_wme_policy); | |
3901 | if (err) | |
3902 | return err; | |
3903 | ||
3904 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
3905 | params->uapsd_queues = nla_get_u8( | |
3906 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
3907 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
3908 | return -EINVAL; | |
3909 | ||
3910 | if (tb[NL80211_STA_WME_MAX_SP]) | |
3911 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
3912 | ||
3913 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
3914 | return -EINVAL; | |
3915 | ||
3916 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
3917 | ||
3918 | return 0; | |
3919 | } | |
3920 | ||
c01fc9ad SD |
3921 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
3922 | struct station_parameters *params) | |
3923 | { | |
3924 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
3925 | params->supported_channels = | |
3926 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3927 | params->supported_channels_len = | |
3928 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3929 | /* | |
3930 | * Need to include at least one (first channel, number of | |
3931 | * channels) tuple for each subband, and must have proper | |
3932 | * tuples for the rest of the data as well. | |
3933 | */ | |
3934 | if (params->supported_channels_len < 2) | |
3935 | return -EINVAL; | |
3936 | if (params->supported_channels_len % 2) | |
3937 | return -EINVAL; | |
3938 | } | |
3939 | ||
3940 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
3941 | params->supported_oper_classes = | |
3942 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3943 | params->supported_oper_classes_len = | |
3944 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3945 | /* | |
3946 | * The value of the Length field of the Supported Operating | |
3947 | * Classes element is between 2 and 253. | |
3948 | */ | |
3949 | if (params->supported_oper_classes_len < 2 || | |
3950 | params->supported_oper_classes_len > 253) | |
3951 | return -EINVAL; | |
3952 | } | |
3953 | return 0; | |
3954 | } | |
3955 | ||
ff276691 JB |
3956 | static int nl80211_set_station_tdls(struct genl_info *info, |
3957 | struct station_parameters *params) | |
3958 | { | |
c01fc9ad | 3959 | int err; |
ff276691 | 3960 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
3961 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
3962 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
3963 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
3964 | params->ht_capa = | |
3965 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
3966 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
3967 | params->vht_capa = | |
3968 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
3969 | ||
c01fc9ad SD |
3970 | err = nl80211_parse_sta_channel_info(info, params); |
3971 | if (err) | |
3972 | return err; | |
3973 | ||
ff276691 JB |
3974 | return nl80211_parse_sta_wme(info, params); |
3975 | } | |
3976 | ||
5727ef1b JB |
3977 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
3978 | { | |
4c476991 | 3979 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 3980 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 3981 | struct station_parameters params; |
77ee7c89 JB |
3982 | u8 *mac_addr; |
3983 | int err; | |
5727ef1b JB |
3984 | |
3985 | memset(¶ms, 0, sizeof(params)); | |
3986 | ||
3987 | params.listen_interval = -1; | |
3988 | ||
77ee7c89 JB |
3989 | if (!rdev->ops->change_station) |
3990 | return -EOPNOTSUPP; | |
3991 | ||
5727ef1b JB |
3992 | if (info->attrs[NL80211_ATTR_STA_AID]) |
3993 | return -EINVAL; | |
3994 | ||
3995 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3996 | return -EINVAL; | |
3997 | ||
3998 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3999 | ||
4000 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4001 | params.supported_rates = | |
4002 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4003 | params.supported_rates_len = | |
4004 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4005 | } | |
4006 | ||
9d62a986 JM |
4007 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4008 | params.capability = | |
4009 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4010 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4011 | } | |
4012 | ||
4013 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4014 | params.ext_capab = | |
4015 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4016 | params.ext_capab_len = | |
4017 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4018 | } | |
4019 | ||
df881293 | 4020 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4021 | return -EINVAL; |
36aedc90 | 4022 | |
bdd3ae3d | 4023 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4024 | return -EINVAL; |
4025 | ||
f8bacc21 | 4026 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4027 | params.plink_action = |
f8bacc21 JB |
4028 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4029 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4030 | return -EINVAL; | |
4031 | } | |
2ec600d6 | 4032 | |
f8bacc21 | 4033 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4034 | params.plink_state = |
f8bacc21 JB |
4035 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4036 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4037 | return -EINVAL; | |
4038 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4039 | } | |
9c3990aa | 4040 | |
3b1c5a53 MP |
4041 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4042 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4043 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4044 | ||
4045 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4046 | pm > NL80211_MESH_POWER_MAX) | |
4047 | return -EINVAL; | |
4048 | ||
4049 | params.local_pm = pm; | |
4050 | } | |
4051 | ||
77ee7c89 JB |
4052 | /* Include parameters for TDLS peer (will check later) */ |
4053 | err = nl80211_set_station_tdls(info, ¶ms); | |
4054 | if (err) | |
4055 | return err; | |
4056 | ||
4057 | params.vlan = get_vlan(info, rdev); | |
4058 | if (IS_ERR(params.vlan)) | |
4059 | return PTR_ERR(params.vlan); | |
4060 | ||
a97f4424 JB |
4061 | switch (dev->ieee80211_ptr->iftype) { |
4062 | case NL80211_IFTYPE_AP: | |
4063 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4064 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4065 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4066 | case NL80211_IFTYPE_STATION: |
267335d6 | 4067 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4068 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4069 | break; |
4070 | default: | |
77ee7c89 JB |
4071 | err = -EOPNOTSUPP; |
4072 | goto out_put_vlan; | |
034d655e JB |
4073 | } |
4074 | ||
77ee7c89 | 4075 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4076 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4077 | |
77ee7c89 | 4078 | out_put_vlan: |
5727ef1b JB |
4079 | if (params.vlan) |
4080 | dev_put(params.vlan); | |
3b85875a | 4081 | |
5727ef1b JB |
4082 | return err; |
4083 | } | |
4084 | ||
4085 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4086 | { | |
4c476991 | 4087 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4088 | int err; |
4c476991 | 4089 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4090 | struct station_parameters params; |
4091 | u8 *mac_addr = NULL; | |
4092 | ||
4093 | memset(¶ms, 0, sizeof(params)); | |
4094 | ||
984c311b JB |
4095 | if (!rdev->ops->add_station) |
4096 | return -EOPNOTSUPP; | |
4097 | ||
5727ef1b JB |
4098 | if (!info->attrs[NL80211_ATTR_MAC]) |
4099 | return -EINVAL; | |
4100 | ||
5727ef1b JB |
4101 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4102 | return -EINVAL; | |
4103 | ||
4104 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4105 | return -EINVAL; | |
4106 | ||
5e4b6f56 JM |
4107 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4108 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4109 | return -EINVAL; |
4110 | ||
5727ef1b JB |
4111 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4112 | params.supported_rates = | |
4113 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4114 | params.supported_rates_len = | |
4115 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4116 | params.listen_interval = | |
4117 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4118 | |
3d124ea2 | 4119 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4120 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4121 | else |
4122 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4123 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4124 | return -EINVAL; | |
51b50fbe | 4125 | |
9d62a986 JM |
4126 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4127 | params.capability = | |
4128 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4129 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4130 | } | |
4131 | ||
4132 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4133 | params.ext_capab = | |
4134 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4135 | params.ext_capab_len = | |
4136 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4137 | } | |
4138 | ||
36aedc90 JM |
4139 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4140 | params.ht_capa = | |
4141 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4142 | |
f461be3e MP |
4143 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4144 | params.vht_capa = | |
4145 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4146 | ||
f8bacc21 | 4147 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4148 | params.plink_action = |
f8bacc21 JB |
4149 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4150 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4151 | return -EINVAL; | |
4152 | } | |
96b78dff | 4153 | |
c01fc9ad SD |
4154 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4155 | if (err) | |
4156 | return err; | |
4157 | ||
ff276691 JB |
4158 | err = nl80211_parse_sta_wme(info, ¶ms); |
4159 | if (err) | |
4160 | return err; | |
bdd90d5e | 4161 | |
bdd3ae3d | 4162 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4163 | return -EINVAL; |
4164 | ||
77ee7c89 JB |
4165 | /* When you run into this, adjust the code below for the new flag */ |
4166 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4167 | ||
bdd90d5e JB |
4168 | switch (dev->ieee80211_ptr->iftype) { |
4169 | case NL80211_IFTYPE_AP: | |
4170 | case NL80211_IFTYPE_AP_VLAN: | |
4171 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4172 | /* ignore WME attributes if iface/sta is not capable */ |
4173 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4174 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4175 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4176 | |
bdd90d5e | 4177 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4178 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4179 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4180 | return -EINVAL; |
bdd90d5e JB |
4181 | /* but don't bother the driver with it */ |
4182 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4183 | |
d582cffb JB |
4184 | /* allow authenticated/associated only if driver handles it */ |
4185 | if (!(rdev->wiphy.features & | |
4186 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4187 | params.sta_flags_mask & | |
4188 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4189 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4190 | return -EINVAL; | |
4191 | ||
bdd90d5e JB |
4192 | /* must be last in here for error handling */ |
4193 | params.vlan = get_vlan(info, rdev); | |
4194 | if (IS_ERR(params.vlan)) | |
4195 | return PTR_ERR(params.vlan); | |
4196 | break; | |
4197 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4198 | /* ignore uAPSD data */ |
4199 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4200 | ||
d582cffb JB |
4201 | /* associated is disallowed */ |
4202 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4203 | return -EINVAL; | |
bdd90d5e | 4204 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4205 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4206 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4207 | return -EINVAL; |
4208 | break; | |
4209 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4210 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4211 | /* ignore uAPSD data */ |
4212 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4213 | ||
77ee7c89 JB |
4214 | /* these are disallowed */ |
4215 | if (params.sta_flags_mask & | |
4216 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4217 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4218 | return -EINVAL; |
bdd90d5e JB |
4219 | /* Only TDLS peers can be added */ |
4220 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4221 | return -EINVAL; | |
4222 | /* Can only add if TDLS ... */ | |
4223 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4224 | return -EOPNOTSUPP; | |
4225 | /* ... with external setup is supported */ | |
4226 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4227 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4228 | /* |
4229 | * Older wpa_supplicant versions always mark the TDLS peer | |
4230 | * as authorized, but it shouldn't yet be. | |
4231 | */ | |
4232 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4233 | break; |
4234 | default: | |
4235 | return -EOPNOTSUPP; | |
c75786c9 EP |
4236 | } |
4237 | ||
bdd90d5e | 4238 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4239 | |
e35e4d28 | 4240 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4241 | |
5727ef1b JB |
4242 | if (params.vlan) |
4243 | dev_put(params.vlan); | |
5727ef1b JB |
4244 | return err; |
4245 | } | |
4246 | ||
4247 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4248 | { | |
4c476991 JB |
4249 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4250 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
4251 | u8 *mac_addr = NULL; |
4252 | ||
4253 | if (info->attrs[NL80211_ATTR_MAC]) | |
4254 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4255 | ||
e80cf853 | 4256 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4257 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4258 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4259 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4260 | return -EINVAL; | |
5727ef1b | 4261 | |
4c476991 JB |
4262 | if (!rdev->ops->del_station) |
4263 | return -EOPNOTSUPP; | |
3b85875a | 4264 | |
e35e4d28 | 4265 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
4266 | } |
4267 | ||
15e47304 | 4268 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4269 | int flags, struct net_device *dev, |
4270 | u8 *dst, u8 *next_hop, | |
4271 | struct mpath_info *pinfo) | |
4272 | { | |
4273 | void *hdr; | |
4274 | struct nlattr *pinfoattr; | |
4275 | ||
15e47304 | 4276 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
4277 | if (!hdr) |
4278 | return -1; | |
4279 | ||
9360ffd1 DM |
4280 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4281 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4282 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4283 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4284 | goto nla_put_failure; | |
f5ea9120 | 4285 | |
2ec600d6 LCC |
4286 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4287 | if (!pinfoattr) | |
4288 | goto nla_put_failure; | |
9360ffd1 DM |
4289 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4290 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4291 | pinfo->frame_qlen)) | |
4292 | goto nla_put_failure; | |
4293 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4294 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4295 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4296 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4297 | pinfo->metric)) || | |
4298 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4299 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4300 | pinfo->exptime)) || | |
4301 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4302 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4303 | pinfo->flags)) || | |
4304 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4305 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4306 | pinfo->discovery_timeout)) || | |
4307 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4308 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4309 | pinfo->discovery_retries))) | |
4310 | goto nla_put_failure; | |
2ec600d6 LCC |
4311 | |
4312 | nla_nest_end(msg, pinfoattr); | |
4313 | ||
4314 | return genlmsg_end(msg, hdr); | |
4315 | ||
4316 | nla_put_failure: | |
bc3ed28c TG |
4317 | genlmsg_cancel(msg, hdr); |
4318 | return -EMSGSIZE; | |
2ec600d6 LCC |
4319 | } |
4320 | ||
4321 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4322 | struct netlink_callback *cb) |
2ec600d6 | 4323 | { |
2ec600d6 LCC |
4324 | struct mpath_info pinfo; |
4325 | struct cfg80211_registered_device *dev; | |
97990a06 | 4326 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4327 | u8 dst[ETH_ALEN]; |
4328 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4329 | int path_idx = cb->args[2]; |
2ec600d6 | 4330 | int err; |
2ec600d6 | 4331 | |
97990a06 | 4332 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
4333 | if (err) |
4334 | return err; | |
bba95fef JB |
4335 | |
4336 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 4337 | err = -EOPNOTSUPP; |
bba95fef JB |
4338 | goto out_err; |
4339 | } | |
4340 | ||
97990a06 | 4341 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4342 | err = -EOPNOTSUPP; |
0448b5fc | 4343 | goto out_err; |
eec60b03 JM |
4344 | } |
4345 | ||
bba95fef | 4346 | while (1) { |
97990a06 JB |
4347 | err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst, |
4348 | next_hop, &pinfo); | |
bba95fef | 4349 | if (err == -ENOENT) |
2ec600d6 | 4350 | break; |
bba95fef | 4351 | if (err) |
3b85875a | 4352 | goto out_err; |
2ec600d6 | 4353 | |
15e47304 | 4354 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4355 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4356 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4357 | &pinfo) < 0) |
4358 | goto out; | |
2ec600d6 | 4359 | |
bba95fef | 4360 | path_idx++; |
2ec600d6 | 4361 | } |
2ec600d6 | 4362 | |
2ec600d6 | 4363 | |
bba95fef | 4364 | out: |
97990a06 | 4365 | cb->args[2] = path_idx; |
bba95fef | 4366 | err = skb->len; |
bba95fef | 4367 | out_err: |
97990a06 | 4368 | nl80211_finish_wdev_dump(dev); |
bba95fef | 4369 | return err; |
2ec600d6 LCC |
4370 | } |
4371 | ||
4372 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4373 | { | |
4c476991 | 4374 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4375 | int err; |
4c476991 | 4376 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4377 | struct mpath_info pinfo; |
4378 | struct sk_buff *msg; | |
4379 | u8 *dst = NULL; | |
4380 | u8 next_hop[ETH_ALEN]; | |
4381 | ||
4382 | memset(&pinfo, 0, sizeof(pinfo)); | |
4383 | ||
4384 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4385 | return -EINVAL; | |
4386 | ||
4387 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4388 | ||
4c476991 JB |
4389 | if (!rdev->ops->get_mpath) |
4390 | return -EOPNOTSUPP; | |
2ec600d6 | 4391 | |
4c476991 JB |
4392 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4393 | return -EOPNOTSUPP; | |
eec60b03 | 4394 | |
e35e4d28 | 4395 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4396 | if (err) |
4c476991 | 4397 | return err; |
2ec600d6 | 4398 | |
fd2120ca | 4399 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4400 | if (!msg) |
4c476991 | 4401 | return -ENOMEM; |
2ec600d6 | 4402 | |
15e47304 | 4403 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4404 | dev, dst, next_hop, &pinfo) < 0) { |
4405 | nlmsg_free(msg); | |
4406 | return -ENOBUFS; | |
4407 | } | |
3b85875a | 4408 | |
4c476991 | 4409 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4410 | } |
4411 | ||
4412 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4413 | { | |
4c476991 JB |
4414 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4415 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4416 | u8 *dst = NULL; |
4417 | u8 *next_hop = NULL; | |
4418 | ||
4419 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4420 | return -EINVAL; | |
4421 | ||
4422 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4423 | return -EINVAL; | |
4424 | ||
4425 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4426 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4427 | ||
4c476991 JB |
4428 | if (!rdev->ops->change_mpath) |
4429 | return -EOPNOTSUPP; | |
35a8efe1 | 4430 | |
4c476991 JB |
4431 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4432 | return -EOPNOTSUPP; | |
2ec600d6 | 4433 | |
e35e4d28 | 4434 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4435 | } |
4c476991 | 4436 | |
2ec600d6 LCC |
4437 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4438 | { | |
4c476991 JB |
4439 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4440 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4441 | u8 *dst = NULL; |
4442 | u8 *next_hop = NULL; | |
4443 | ||
4444 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4445 | return -EINVAL; | |
4446 | ||
4447 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4448 | return -EINVAL; | |
4449 | ||
4450 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4451 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4452 | ||
4c476991 JB |
4453 | if (!rdev->ops->add_mpath) |
4454 | return -EOPNOTSUPP; | |
35a8efe1 | 4455 | |
4c476991 JB |
4456 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4457 | return -EOPNOTSUPP; | |
2ec600d6 | 4458 | |
e35e4d28 | 4459 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4460 | } |
4461 | ||
4462 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4463 | { | |
4c476991 JB |
4464 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4465 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4466 | u8 *dst = NULL; |
4467 | ||
4468 | if (info->attrs[NL80211_ATTR_MAC]) | |
4469 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4470 | ||
4c476991 JB |
4471 | if (!rdev->ops->del_mpath) |
4472 | return -EOPNOTSUPP; | |
3b85875a | 4473 | |
e35e4d28 | 4474 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4475 | } |
4476 | ||
9f1ba906 JM |
4477 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4478 | { | |
4c476991 JB |
4479 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4480 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
4481 | struct bss_parameters params; |
4482 | ||
4483 | memset(¶ms, 0, sizeof(params)); | |
4484 | /* default to not changing parameters */ | |
4485 | params.use_cts_prot = -1; | |
4486 | params.use_short_preamble = -1; | |
4487 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4488 | params.ap_isolate = -1; |
50b12f59 | 4489 | params.ht_opmode = -1; |
53cabad7 JB |
4490 | params.p2p_ctwindow = -1; |
4491 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4492 | |
4493 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4494 | params.use_cts_prot = | |
4495 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4496 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4497 | params.use_short_preamble = | |
4498 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4499 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4500 | params.use_short_slot_time = | |
4501 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4502 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4503 | params.basic_rates = | |
4504 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4505 | params.basic_rates_len = | |
4506 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4507 | } | |
fd8aaaf3 FF |
4508 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4509 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4510 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4511 | params.ht_opmode = | |
4512 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4513 | |
53cabad7 JB |
4514 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4515 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4516 | return -EINVAL; | |
4517 | params.p2p_ctwindow = | |
4518 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4519 | if (params.p2p_ctwindow < 0) | |
4520 | return -EINVAL; | |
4521 | if (params.p2p_ctwindow != 0 && | |
4522 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4523 | return -EINVAL; | |
4524 | } | |
4525 | ||
4526 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4527 | u8 tmp; | |
4528 | ||
4529 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4530 | return -EINVAL; | |
4531 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4532 | if (tmp > 1) | |
4533 | return -EINVAL; | |
4534 | params.p2p_opp_ps = tmp; | |
4535 | if (params.p2p_opp_ps && | |
4536 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4537 | return -EINVAL; | |
4538 | } | |
4539 | ||
4c476991 JB |
4540 | if (!rdev->ops->change_bss) |
4541 | return -EOPNOTSUPP; | |
9f1ba906 | 4542 | |
074ac8df | 4543 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4544 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4545 | return -EOPNOTSUPP; | |
3b85875a | 4546 | |
e35e4d28 | 4547 | return rdev_change_bss(rdev, dev, ¶ms); |
9f1ba906 JM |
4548 | } |
4549 | ||
b54452b0 | 4550 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4551 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4552 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4553 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4554 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4555 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4556 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
4557 | }; | |
4558 | ||
4559 | static int parse_reg_rule(struct nlattr *tb[], | |
4560 | struct ieee80211_reg_rule *reg_rule) | |
4561 | { | |
4562 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4563 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4564 | ||
4565 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4566 | return -EINVAL; | |
4567 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4568 | return -EINVAL; | |
4569 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4570 | return -EINVAL; | |
4571 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
4572 | return -EINVAL; | |
4573 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
4574 | return -EINVAL; | |
4575 | ||
4576 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4577 | ||
4578 | freq_range->start_freq_khz = | |
4579 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4580 | freq_range->end_freq_khz = | |
4581 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
4582 | freq_range->max_bandwidth_khz = | |
4583 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
4584 | ||
4585 | power_rule->max_eirp = | |
4586 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4587 | ||
4588 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4589 | power_rule->max_antenna_gain = | |
4590 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4591 | ||
4592 | return 0; | |
4593 | } | |
4594 | ||
4595 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4596 | { | |
4597 | int r; | |
4598 | char *data = NULL; | |
57b5ce07 | 4599 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4600 | |
80778f18 LR |
4601 | /* |
4602 | * You should only get this when cfg80211 hasn't yet initialized | |
4603 | * completely when built-in to the kernel right between the time | |
4604 | * window between nl80211_init() and regulatory_init(), if that is | |
4605 | * even possible. | |
4606 | */ | |
458f4f9e | 4607 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4608 | return -EINPROGRESS; |
80778f18 | 4609 | |
fe33eb39 LR |
4610 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4611 | return -EINVAL; | |
b2e1b302 LR |
4612 | |
4613 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4614 | ||
57b5ce07 LR |
4615 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4616 | user_reg_hint_type = | |
4617 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4618 | else | |
4619 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4620 | ||
4621 | switch (user_reg_hint_type) { | |
4622 | case NL80211_USER_REG_HINT_USER: | |
4623 | case NL80211_USER_REG_HINT_CELL_BASE: | |
4624 | break; | |
4625 | default: | |
4626 | return -EINVAL; | |
4627 | } | |
4628 | ||
4629 | r = regulatory_hint_user(data, user_reg_hint_type); | |
fe33eb39 | 4630 | |
b2e1b302 LR |
4631 | return r; |
4632 | } | |
4633 | ||
24bdd9f4 | 4634 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4635 | struct genl_info *info) |
93da9cc1 | 4636 | { |
4c476991 | 4637 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4638 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4639 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4640 | struct mesh_config cur_params; | |
4641 | int err = 0; | |
93da9cc1 | 4642 | void *hdr; |
4643 | struct nlattr *pinfoattr; | |
4644 | struct sk_buff *msg; | |
4645 | ||
29cbe68c JB |
4646 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4647 | return -EOPNOTSUPP; | |
4648 | ||
24bdd9f4 | 4649 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4650 | return -EOPNOTSUPP; |
f3f92586 | 4651 | |
29cbe68c JB |
4652 | wdev_lock(wdev); |
4653 | /* If not connected, get default parameters */ | |
4654 | if (!wdev->mesh_id_len) | |
4655 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4656 | else | |
e35e4d28 | 4657 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4658 | wdev_unlock(wdev); |
4659 | ||
93da9cc1 | 4660 | if (err) |
4c476991 | 4661 | return err; |
93da9cc1 | 4662 | |
4663 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4664 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4665 | if (!msg) |
4666 | return -ENOMEM; | |
15e47304 | 4667 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4668 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4669 | if (!hdr) |
efe1cf0c | 4670 | goto out; |
24bdd9f4 | 4671 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4672 | if (!pinfoattr) |
4673 | goto nla_put_failure; | |
9360ffd1 DM |
4674 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4675 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4676 | cur_params.dot11MeshRetryTimeout) || | |
4677 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4678 | cur_params.dot11MeshConfirmTimeout) || | |
4679 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4680 | cur_params.dot11MeshHoldingTimeout) || | |
4681 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4682 | cur_params.dot11MeshMaxPeerLinks) || | |
4683 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4684 | cur_params.dot11MeshMaxRetries) || | |
4685 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4686 | cur_params.dot11MeshTTL) || | |
4687 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4688 | cur_params.element_ttl) || | |
4689 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4690 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4691 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4692 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4693 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4694 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4695 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4696 | cur_params.path_refresh_time) || | |
4697 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4698 | cur_params.min_discovery_timeout) || | |
4699 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4700 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4701 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4702 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4703 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4704 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4705 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4706 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4707 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4708 | cur_params.dot11MeshHWMPRootMode) || | |
4709 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4710 | cur_params.dot11MeshHWMPRannInterval) || | |
4711 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4712 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4713 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4714 | cur_params.dot11MeshForwarding) || | |
4715 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4716 | cur_params.rssi_threshold) || |
4717 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4718 | cur_params.ht_opmode) || |
4719 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4720 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4721 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4722 | cur_params.dot11MeshHWMProotInterval) || |
4723 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4724 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4725 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4726 | cur_params.power_mode) || | |
4727 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
4728 | cur_params.dot11MeshAwakeWindowDuration) || |
4729 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4730 | cur_params.plink_timeout)) | |
9360ffd1 | 4731 | goto nla_put_failure; |
93da9cc1 | 4732 | nla_nest_end(msg, pinfoattr); |
4733 | genlmsg_end(msg, hdr); | |
4c476991 | 4734 | return genlmsg_reply(msg, info); |
93da9cc1 | 4735 | |
3b85875a | 4736 | nla_put_failure: |
93da9cc1 | 4737 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4738 | out: |
d080e275 | 4739 | nlmsg_free(msg); |
4c476991 | 4740 | return -ENOBUFS; |
93da9cc1 | 4741 | } |
4742 | ||
b54452b0 | 4743 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4744 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4745 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4746 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4747 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4748 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4749 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4750 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4751 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4752 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4753 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4754 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4755 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4756 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4757 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4758 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4759 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4760 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4761 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4762 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4763 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4764 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4765 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4766 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4767 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4768 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4769 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4770 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 4771 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 4772 | }; |
4773 | ||
c80d545d JC |
4774 | static const struct nla_policy |
4775 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4776 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4777 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4778 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4779 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 4780 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 4781 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 4782 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4783 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4784 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4785 | }; |
4786 | ||
24bdd9f4 | 4787 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4788 | struct mesh_config *cfg, |
4789 | u32 *mask_out) | |
93da9cc1 | 4790 | { |
93da9cc1 | 4791 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4792 | u32 mask = 0; |
93da9cc1 | 4793 | |
ea54fba2 MP |
4794 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4795 | do { \ | |
4796 | if (tb[attr]) { \ | |
4797 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4798 | return -EINVAL; \ | |
4799 | cfg->param = fn(tb[attr]); \ | |
4800 | mask |= (1 << (attr - 1)); \ | |
4801 | } \ | |
4802 | } while (0) | |
bd90fdcc JB |
4803 | |
4804 | ||
24bdd9f4 | 4805 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4806 | return -EINVAL; |
4807 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4808 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4809 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4810 | return -EINVAL; |
4811 | ||
93da9cc1 | 4812 | /* This makes sure that there aren't more than 32 mesh config |
4813 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4814 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4815 | ||
4816 | /* Fill in the params struct */ | |
ea54fba2 | 4817 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4818 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4819 | nla_get_u16); | |
ea54fba2 | 4820 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4821 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4822 | nla_get_u16); | |
ea54fba2 | 4823 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4824 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4825 | nla_get_u16); | |
ea54fba2 | 4826 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4827 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4828 | nla_get_u16); | |
ea54fba2 | 4829 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4830 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4831 | nla_get_u8); | |
ea54fba2 | 4832 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4833 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4834 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4835 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4836 | nla_get_u8); | |
ea54fba2 | 4837 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4838 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4839 | nla_get_u8); | |
ea54fba2 MP |
4840 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4841 | 1, 255, mask, | |
a4f606ea CYY |
4842 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4843 | nla_get_u32); | |
ea54fba2 | 4844 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4845 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4846 | nla_get_u8); | |
ea54fba2 | 4847 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4848 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4849 | nla_get_u32); | |
ea54fba2 | 4850 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4851 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4852 | nla_get_u16); | |
ea54fba2 MP |
4853 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4854 | 1, 65535, mask, | |
a4f606ea CYY |
4855 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4856 | nla_get_u32); | |
93da9cc1 | 4857 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4858 | 1, 65535, mask, |
4859 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4860 | nla_get_u16); |
dca7e943 | 4861 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4862 | 1, 65535, mask, |
4863 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4864 | nla_get_u16); |
93da9cc1 | 4865 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4866 | dot11MeshHWMPnetDiameterTraversalTime, |
4867 | 1, 65535, mask, | |
a4f606ea CYY |
4868 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
4869 | nla_get_u16); | |
ea54fba2 MP |
4870 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
4871 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4872 | nla_get_u8); | |
4873 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
4874 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 4875 | nla_get_u16); |
63c5723b | 4876 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4877 | dot11MeshGateAnnouncementProtocol, 0, 1, |
4878 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 4879 | nla_get_u8); |
ea54fba2 | 4880 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
4881 | mask, NL80211_MESHCONF_FORWARDING, |
4882 | nla_get_u8); | |
83374fe9 | 4883 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 4884 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 4885 | nla_get_s32); |
ea54fba2 | 4886 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 4887 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
4888 | nla_get_u16); |
4889 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 4890 | 1, 65535, mask, |
ac1073a6 CYY |
4891 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
4892 | nla_get_u32); | |
ea54fba2 | 4893 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 4894 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
4895 | nla_get_u16); |
4896 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
4897 | dot11MeshHWMPconfirmationInterval, |
4898 | 1, 65535, mask, | |
728b19e5 | 4899 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 4900 | nla_get_u16); |
3b1c5a53 MP |
4901 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
4902 | NL80211_MESH_POWER_ACTIVE, | |
4903 | NL80211_MESH_POWER_MAX, | |
4904 | mask, NL80211_MESHCONF_POWER_MODE, | |
4905 | nla_get_u32); | |
4906 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
4907 | 0, 65535, mask, | |
4908 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
4909 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
4910 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4911 | nla_get_u32); | |
bd90fdcc JB |
4912 | if (mask_out) |
4913 | *mask_out = mask; | |
c80d545d | 4914 | |
bd90fdcc JB |
4915 | return 0; |
4916 | ||
4917 | #undef FILL_IN_MESH_PARAM_IF_SET | |
4918 | } | |
4919 | ||
c80d545d JC |
4920 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
4921 | struct mesh_setup *setup) | |
4922 | { | |
bb2798d4 | 4923 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
4924 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
4925 | ||
4926 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
4927 | return -EINVAL; | |
4928 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
4929 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
4930 | nl80211_mesh_setup_params_policy)) | |
4931 | return -EINVAL; | |
4932 | ||
d299a1f2 JC |
4933 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
4934 | setup->sync_method = | |
4935 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
4936 | IEEE80211_SYNC_METHOD_VENDOR : | |
4937 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
4938 | ||
c80d545d JC |
4939 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
4940 | setup->path_sel_proto = | |
4941 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
4942 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
4943 | IEEE80211_PATH_PROTOCOL_HWMP; | |
4944 | ||
4945 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
4946 | setup->path_metric = | |
4947 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
4948 | IEEE80211_PATH_METRIC_VENDOR : | |
4949 | IEEE80211_PATH_METRIC_AIRTIME; | |
4950 | ||
581a8b0f JC |
4951 | |
4952 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 4953 | struct nlattr *ieattr = |
581a8b0f | 4954 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
4955 | if (!is_valid_ie_attr(ieattr)) |
4956 | return -EINVAL; | |
581a8b0f JC |
4957 | setup->ie = nla_data(ieattr); |
4958 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 4959 | } |
bb2798d4 TP |
4960 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
4961 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
4962 | return -EINVAL; | |
4963 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
4964 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
4965 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
4966 | if (setup->is_secure) |
4967 | setup->user_mpm = true; | |
c80d545d | 4968 | |
6e16d90b CT |
4969 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
4970 | if (!setup->user_mpm) | |
4971 | return -EINVAL; | |
4972 | setup->auth_id = | |
4973 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
4974 | } | |
4975 | ||
c80d545d JC |
4976 | return 0; |
4977 | } | |
4978 | ||
24bdd9f4 | 4979 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 4980 | struct genl_info *info) |
bd90fdcc JB |
4981 | { |
4982 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4983 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 4984 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
4985 | struct mesh_config cfg; |
4986 | u32 mask; | |
4987 | int err; | |
4988 | ||
29cbe68c JB |
4989 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4990 | return -EOPNOTSUPP; | |
4991 | ||
24bdd9f4 | 4992 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
4993 | return -EOPNOTSUPP; |
4994 | ||
24bdd9f4 | 4995 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
4996 | if (err) |
4997 | return err; | |
4998 | ||
29cbe68c JB |
4999 | wdev_lock(wdev); |
5000 | if (!wdev->mesh_id_len) | |
5001 | err = -ENOLINK; | |
5002 | ||
5003 | if (!err) | |
e35e4d28 | 5004 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5005 | |
5006 | wdev_unlock(wdev); | |
5007 | ||
5008 | return err; | |
93da9cc1 | 5009 | } |
5010 | ||
f130347c LR |
5011 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
5012 | { | |
458f4f9e | 5013 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
5014 | struct sk_buff *msg; |
5015 | void *hdr = NULL; | |
5016 | struct nlattr *nl_reg_rules; | |
5017 | unsigned int i; | |
f130347c LR |
5018 | |
5019 | if (!cfg80211_regdomain) | |
5fe231e8 | 5020 | return -EINVAL; |
f130347c | 5021 | |
fd2120ca | 5022 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
5fe231e8 JB |
5023 | if (!msg) |
5024 | return -ENOBUFS; | |
f130347c | 5025 | |
15e47304 | 5026 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
5027 | NL80211_CMD_GET_REG); |
5028 | if (!hdr) | |
efe1cf0c | 5029 | goto put_failure; |
f130347c | 5030 | |
57b5ce07 LR |
5031 | if (reg_last_request_cell_base() && |
5032 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5033 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5034 | goto nla_put_failure; | |
5035 | ||
458f4f9e JB |
5036 | rcu_read_lock(); |
5037 | regdom = rcu_dereference(cfg80211_regdomain); | |
5038 | ||
5039 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
5040 | (regdom->dfs_region && | |
5041 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
5042 | goto nla_put_failure_rcu; | |
5043 | ||
f130347c LR |
5044 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5045 | if (!nl_reg_rules) | |
458f4f9e | 5046 | goto nla_put_failure_rcu; |
f130347c | 5047 | |
458f4f9e | 5048 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5049 | struct nlattr *nl_reg_rule; |
5050 | const struct ieee80211_reg_rule *reg_rule; | |
5051 | const struct ieee80211_freq_range *freq_range; | |
5052 | const struct ieee80211_power_rule *power_rule; | |
5053 | ||
458f4f9e | 5054 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5055 | freq_range = ®_rule->freq_range; |
5056 | power_rule = ®_rule->power_rule; | |
5057 | ||
5058 | nl_reg_rule = nla_nest_start(msg, i); | |
5059 | if (!nl_reg_rule) | |
458f4f9e | 5060 | goto nla_put_failure_rcu; |
f130347c | 5061 | |
9360ffd1 DM |
5062 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5063 | reg_rule->flags) || | |
5064 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5065 | freq_range->start_freq_khz) || | |
5066 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5067 | freq_range->end_freq_khz) || | |
5068 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
5069 | freq_range->max_bandwidth_khz) || | |
5070 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
5071 | power_rule->max_antenna_gain) || | |
5072 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
5073 | power_rule->max_eirp)) | |
458f4f9e | 5074 | goto nla_put_failure_rcu; |
f130347c LR |
5075 | |
5076 | nla_nest_end(msg, nl_reg_rule); | |
5077 | } | |
458f4f9e | 5078 | rcu_read_unlock(); |
f130347c LR |
5079 | |
5080 | nla_nest_end(msg, nl_reg_rules); | |
5081 | ||
5082 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5083 | return genlmsg_reply(msg, info); |
f130347c | 5084 | |
458f4f9e JB |
5085 | nla_put_failure_rcu: |
5086 | rcu_read_unlock(); | |
f130347c LR |
5087 | nla_put_failure: |
5088 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5089 | put_failure: |
d080e275 | 5090 | nlmsg_free(msg); |
5fe231e8 | 5091 | return -EMSGSIZE; |
f130347c LR |
5092 | } |
5093 | ||
b2e1b302 LR |
5094 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5095 | { | |
5096 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5097 | struct nlattr *nl_reg_rule; | |
5098 | char *alpha2 = NULL; | |
5099 | int rem_reg_rules = 0, r = 0; | |
5100 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
8b60b078 | 5101 | u8 dfs_region = 0; |
b2e1b302 LR |
5102 | struct ieee80211_regdomain *rd = NULL; |
5103 | ||
5104 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5105 | return -EINVAL; | |
5106 | ||
5107 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5108 | return -EINVAL; | |
5109 | ||
5110 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5111 | ||
8b60b078 LR |
5112 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5113 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5114 | ||
b2e1b302 | 5115 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5116 | rem_reg_rules) { |
b2e1b302 LR |
5117 | num_rules++; |
5118 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5119 | return -EINVAL; |
b2e1b302 LR |
5120 | } |
5121 | ||
b2e1b302 | 5122 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5123 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5124 | |
5125 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5126 | if (!rd) |
5127 | return -ENOMEM; | |
b2e1b302 LR |
5128 | |
5129 | rd->n_reg_rules = num_rules; | |
5130 | rd->alpha2[0] = alpha2[0]; | |
5131 | rd->alpha2[1] = alpha2[1]; | |
5132 | ||
8b60b078 LR |
5133 | /* |
5134 | * Disable DFS master mode if the DFS region was | |
5135 | * not supported or known on this kernel. | |
5136 | */ | |
5137 | if (reg_supported_dfs_region(dfs_region)) | |
5138 | rd->dfs_region = dfs_region; | |
5139 | ||
b2e1b302 | 5140 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5141 | rem_reg_rules) { |
b2e1b302 | 5142 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
1a919318 JB |
5143 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), |
5144 | reg_rule_policy); | |
b2e1b302 LR |
5145 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5146 | if (r) | |
5147 | goto bad_reg; | |
5148 | ||
5149 | rule_idx++; | |
5150 | ||
d0e18f83 LR |
5151 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5152 | r = -EINVAL; | |
b2e1b302 | 5153 | goto bad_reg; |
d0e18f83 | 5154 | } |
b2e1b302 LR |
5155 | } |
5156 | ||
b2e1b302 | 5157 | r = set_regdom(rd); |
6913b49a | 5158 | /* set_regdom took ownership */ |
1a919318 | 5159 | rd = NULL; |
b2e1b302 | 5160 | |
d2372b31 | 5161 | bad_reg: |
b2e1b302 | 5162 | kfree(rd); |
d0e18f83 | 5163 | return r; |
b2e1b302 LR |
5164 | } |
5165 | ||
83f5e2cf JB |
5166 | static int validate_scan_freqs(struct nlattr *freqs) |
5167 | { | |
5168 | struct nlattr *attr1, *attr2; | |
5169 | int n_channels = 0, tmp1, tmp2; | |
5170 | ||
5171 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5172 | n_channels++; | |
5173 | /* | |
5174 | * Some hardware has a limited channel list for | |
5175 | * scanning, and it is pretty much nonsensical | |
5176 | * to scan for a channel twice, so disallow that | |
5177 | * and don't require drivers to check that the | |
5178 | * channel list they get isn't longer than what | |
5179 | * they can scan, as long as they can scan all | |
5180 | * the channels they registered at once. | |
5181 | */ | |
5182 | nla_for_each_nested(attr2, freqs, tmp2) | |
5183 | if (attr1 != attr2 && | |
5184 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5185 | return 0; | |
5186 | } | |
5187 | ||
5188 | return n_channels; | |
5189 | } | |
5190 | ||
2a519311 JB |
5191 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5192 | { | |
4c476991 | 5193 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5194 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5195 | struct cfg80211_scan_request *request; |
2a519311 JB |
5196 | struct nlattr *attr; |
5197 | struct wiphy *wiphy; | |
83f5e2cf | 5198 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5199 | size_t ie_len; |
2a519311 | 5200 | |
f4a11bb0 JB |
5201 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5202 | return -EINVAL; | |
5203 | ||
79c97e97 | 5204 | wiphy = &rdev->wiphy; |
2a519311 | 5205 | |
4c476991 JB |
5206 | if (!rdev->ops->scan) |
5207 | return -EOPNOTSUPP; | |
2a519311 | 5208 | |
f9f47529 JB |
5209 | if (rdev->scan_req) { |
5210 | err = -EBUSY; | |
5211 | goto unlock; | |
5212 | } | |
2a519311 JB |
5213 | |
5214 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5215 | n_channels = validate_scan_freqs( |
5216 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5217 | if (!n_channels) { |
5218 | err = -EINVAL; | |
5219 | goto unlock; | |
5220 | } | |
2a519311 | 5221 | } else { |
34850ab2 | 5222 | enum ieee80211_band band; |
83f5e2cf JB |
5223 | n_channels = 0; |
5224 | ||
2a519311 JB |
5225 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
5226 | if (wiphy->bands[band]) | |
5227 | n_channels += wiphy->bands[band]->n_channels; | |
5228 | } | |
5229 | ||
5230 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5231 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5232 | n_ssids++; | |
5233 | ||
f9f47529 JB |
5234 | if (n_ssids > wiphy->max_scan_ssids) { |
5235 | err = -EINVAL; | |
5236 | goto unlock; | |
5237 | } | |
2a519311 | 5238 | |
70692ad2 JM |
5239 | if (info->attrs[NL80211_ATTR_IE]) |
5240 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5241 | else | |
5242 | ie_len = 0; | |
5243 | ||
f9f47529 JB |
5244 | if (ie_len > wiphy->max_scan_ie_len) { |
5245 | err = -EINVAL; | |
5246 | goto unlock; | |
5247 | } | |
18a83659 | 5248 | |
2a519311 | 5249 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5250 | + sizeof(*request->ssids) * n_ssids |
5251 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5252 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5253 | if (!request) { |
5254 | err = -ENOMEM; | |
5255 | goto unlock; | |
5256 | } | |
2a519311 | 5257 | |
2a519311 | 5258 | if (n_ssids) |
5ba63533 | 5259 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5260 | request->n_ssids = n_ssids; |
70692ad2 JM |
5261 | if (ie_len) { |
5262 | if (request->ssids) | |
5263 | request->ie = (void *)(request->ssids + n_ssids); | |
5264 | else | |
5265 | request->ie = (void *)(request->channels + n_channels); | |
5266 | } | |
2a519311 | 5267 | |
584991dc | 5268 | i = 0; |
2a519311 JB |
5269 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5270 | /* user specified, bail out if channel not found */ | |
2a519311 | 5271 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5272 | struct ieee80211_channel *chan; |
5273 | ||
5274 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5275 | ||
5276 | if (!chan) { | |
2a519311 JB |
5277 | err = -EINVAL; |
5278 | goto out_free; | |
5279 | } | |
584991dc JB |
5280 | |
5281 | /* ignore disabled channels */ | |
5282 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5283 | continue; | |
5284 | ||
5285 | request->channels[i] = chan; | |
2a519311 JB |
5286 | i++; |
5287 | } | |
5288 | } else { | |
34850ab2 JB |
5289 | enum ieee80211_band band; |
5290 | ||
2a519311 | 5291 | /* all channels */ |
2a519311 JB |
5292 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5293 | int j; | |
5294 | if (!wiphy->bands[band]) | |
5295 | continue; | |
5296 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5297 | struct ieee80211_channel *chan; |
5298 | ||
5299 | chan = &wiphy->bands[band]->channels[j]; | |
5300 | ||
5301 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5302 | continue; | |
5303 | ||
5304 | request->channels[i] = chan; | |
2a519311 JB |
5305 | i++; |
5306 | } | |
5307 | } | |
5308 | } | |
5309 | ||
584991dc JB |
5310 | if (!i) { |
5311 | err = -EINVAL; | |
5312 | goto out_free; | |
5313 | } | |
5314 | ||
5315 | request->n_channels = i; | |
5316 | ||
2a519311 JB |
5317 | i = 0; |
5318 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5319 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5320 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5321 | err = -EINVAL; |
5322 | goto out_free; | |
5323 | } | |
57a27e1d | 5324 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5325 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5326 | i++; |
5327 | } | |
5328 | } | |
5329 | ||
70692ad2 JM |
5330 | if (info->attrs[NL80211_ATTR_IE]) { |
5331 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5332 | memcpy((void *)request->ie, |
5333 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5334 | request->ie_len); |
5335 | } | |
5336 | ||
34850ab2 | 5337 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5338 | if (wiphy->bands[i]) |
5339 | request->rates[i] = | |
5340 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5341 | |
5342 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5343 | nla_for_each_nested(attr, | |
5344 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5345 | tmp) { | |
5346 | enum ieee80211_band band = nla_type(attr); | |
5347 | ||
84404623 | 5348 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5349 | err = -EINVAL; |
5350 | goto out_free; | |
5351 | } | |
1b09cd82 FF |
5352 | |
5353 | if (!wiphy->bands[band]) | |
5354 | continue; | |
5355 | ||
34850ab2 JB |
5356 | err = ieee80211_get_ratemask(wiphy->bands[band], |
5357 | nla_data(attr), | |
5358 | nla_len(attr), | |
5359 | &request->rates[band]); | |
5360 | if (err) | |
5361 | goto out_free; | |
5362 | } | |
5363 | } | |
5364 | ||
46856bbf | 5365 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5366 | request->flags = nla_get_u32( |
5367 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
5368 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5369 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
5370 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
5371 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
5372 | err = -EOPNOTSUPP; |
5373 | goto out_free; | |
5374 | } | |
5375 | } | |
ed473771 | 5376 | |
e9f935e3 RM |
5377 | request->no_cck = |
5378 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5379 | ||
fd014284 | 5380 | request->wdev = wdev; |
79c97e97 | 5381 | request->wiphy = &rdev->wiphy; |
15d6030b | 5382 | request->scan_start = jiffies; |
2a519311 | 5383 | |
79c97e97 | 5384 | rdev->scan_req = request; |
e35e4d28 | 5385 | err = rdev_scan(rdev, request); |
2a519311 | 5386 | |
463d0183 | 5387 | if (!err) { |
fd014284 JB |
5388 | nl80211_send_scan_start(rdev, wdev); |
5389 | if (wdev->netdev) | |
5390 | dev_hold(wdev->netdev); | |
4c476991 | 5391 | } else { |
2a519311 | 5392 | out_free: |
79c97e97 | 5393 | rdev->scan_req = NULL; |
2a519311 JB |
5394 | kfree(request); |
5395 | } | |
3b85875a | 5396 | |
f9f47529 | 5397 | unlock: |
2a519311 JB |
5398 | return err; |
5399 | } | |
5400 | ||
807f8a8c LC |
5401 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5402 | struct genl_info *info) | |
5403 | { | |
5404 | struct cfg80211_sched_scan_request *request; | |
5405 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5406 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5407 | struct nlattr *attr; |
5408 | struct wiphy *wiphy; | |
a1f1c21c | 5409 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5410 | u32 interval; |
807f8a8c LC |
5411 | enum ieee80211_band band; |
5412 | size_t ie_len; | |
a1f1c21c | 5413 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
5414 | |
5415 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5416 | !rdev->ops->sched_scan_start) | |
5417 | return -EOPNOTSUPP; | |
5418 | ||
5419 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5420 | return -EINVAL; | |
5421 | ||
bbe6ad6d LC |
5422 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5423 | return -EINVAL; | |
5424 | ||
5425 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5426 | if (interval == 0) | |
5427 | return -EINVAL; | |
5428 | ||
807f8a8c LC |
5429 | wiphy = &rdev->wiphy; |
5430 | ||
5431 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5432 | n_channels = validate_scan_freqs( | |
5433 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5434 | if (!n_channels) | |
5435 | return -EINVAL; | |
5436 | } else { | |
5437 | n_channels = 0; | |
5438 | ||
5439 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
5440 | if (wiphy->bands[band]) | |
5441 | n_channels += wiphy->bands[band]->n_channels; | |
5442 | } | |
5443 | ||
5444 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5445 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5446 | tmp) | |
5447 | n_ssids++; | |
5448 | ||
93b6aa69 | 5449 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5450 | return -EINVAL; |
5451 | ||
a1f1c21c LC |
5452 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
5453 | nla_for_each_nested(attr, | |
5454 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5455 | tmp) | |
5456 | n_match_sets++; | |
5457 | ||
5458 | if (n_match_sets > wiphy->max_match_sets) | |
5459 | return -EINVAL; | |
5460 | ||
807f8a8c LC |
5461 | if (info->attrs[NL80211_ATTR_IE]) |
5462 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5463 | else | |
5464 | ie_len = 0; | |
5465 | ||
5a865bad | 5466 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5467 | return -EINVAL; |
5468 | ||
c10841ca LC |
5469 | if (rdev->sched_scan_req) { |
5470 | err = -EINPROGRESS; | |
5471 | goto out; | |
5472 | } | |
5473 | ||
807f8a8c | 5474 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5475 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5476 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5477 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5478 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5479 | if (!request) { |
5480 | err = -ENOMEM; | |
5481 | goto out; | |
5482 | } | |
807f8a8c LC |
5483 | |
5484 | if (n_ssids) | |
5485 | request->ssids = (void *)&request->channels[n_channels]; | |
5486 | request->n_ssids = n_ssids; | |
5487 | if (ie_len) { | |
5488 | if (request->ssids) | |
5489 | request->ie = (void *)(request->ssids + n_ssids); | |
5490 | else | |
5491 | request->ie = (void *)(request->channels + n_channels); | |
5492 | } | |
5493 | ||
a1f1c21c LC |
5494 | if (n_match_sets) { |
5495 | if (request->ie) | |
5496 | request->match_sets = (void *)(request->ie + ie_len); | |
5497 | else if (request->ssids) | |
5498 | request->match_sets = | |
5499 | (void *)(request->ssids + n_ssids); | |
5500 | else | |
5501 | request->match_sets = | |
5502 | (void *)(request->channels + n_channels); | |
5503 | } | |
5504 | request->n_match_sets = n_match_sets; | |
5505 | ||
807f8a8c LC |
5506 | i = 0; |
5507 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5508 | /* user specified, bail out if channel not found */ | |
5509 | nla_for_each_nested(attr, | |
5510 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5511 | tmp) { | |
5512 | struct ieee80211_channel *chan; | |
5513 | ||
5514 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5515 | ||
5516 | if (!chan) { | |
5517 | err = -EINVAL; | |
5518 | goto out_free; | |
5519 | } | |
5520 | ||
5521 | /* ignore disabled channels */ | |
5522 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5523 | continue; | |
5524 | ||
5525 | request->channels[i] = chan; | |
5526 | i++; | |
5527 | } | |
5528 | } else { | |
5529 | /* all channels */ | |
5530 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5531 | int j; | |
5532 | if (!wiphy->bands[band]) | |
5533 | continue; | |
5534 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5535 | struct ieee80211_channel *chan; | |
5536 | ||
5537 | chan = &wiphy->bands[band]->channels[j]; | |
5538 | ||
5539 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5540 | continue; | |
5541 | ||
5542 | request->channels[i] = chan; | |
5543 | i++; | |
5544 | } | |
5545 | } | |
5546 | } | |
5547 | ||
5548 | if (!i) { | |
5549 | err = -EINVAL; | |
5550 | goto out_free; | |
5551 | } | |
5552 | ||
5553 | request->n_channels = i; | |
5554 | ||
5555 | i = 0; | |
5556 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5557 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5558 | tmp) { | |
57a27e1d | 5559 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5560 | err = -EINVAL; |
5561 | goto out_free; | |
5562 | } | |
57a27e1d | 5563 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5564 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5565 | nla_len(attr)); | |
807f8a8c LC |
5566 | i++; |
5567 | } | |
5568 | } | |
5569 | ||
a1f1c21c LC |
5570 | i = 0; |
5571 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5572 | nla_for_each_nested(attr, | |
5573 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5574 | tmp) { | |
88e920b4 | 5575 | struct nlattr *ssid, *rssi; |
a1f1c21c LC |
5576 | |
5577 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5578 | nla_data(attr), nla_len(attr), | |
5579 | nl80211_match_policy); | |
4a4ab0d7 | 5580 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c LC |
5581 | if (ssid) { |
5582 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
5583 | err = -EINVAL; | |
5584 | goto out_free; | |
5585 | } | |
5586 | memcpy(request->match_sets[i].ssid.ssid, | |
5587 | nla_data(ssid), nla_len(ssid)); | |
5588 | request->match_sets[i].ssid.ssid_len = | |
5589 | nla_len(ssid); | |
5590 | } | |
88e920b4 TP |
5591 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; |
5592 | if (rssi) | |
5593 | request->rssi_thold = nla_get_u32(rssi); | |
5594 | else | |
5595 | request->rssi_thold = | |
5596 | NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5597 | i++; |
5598 | } | |
5599 | } | |
5600 | ||
807f8a8c LC |
5601 | if (info->attrs[NL80211_ATTR_IE]) { |
5602 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5603 | memcpy((void *)request->ie, | |
5604 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5605 | request->ie_len); | |
5606 | } | |
5607 | ||
46856bbf | 5608 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5609 | request->flags = nla_get_u32( |
5610 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
5611 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5612 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
5613 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
5614 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
5615 | err = -EOPNOTSUPP; |
5616 | goto out_free; | |
5617 | } | |
5618 | } | |
ed473771 | 5619 | |
807f8a8c LC |
5620 | request->dev = dev; |
5621 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5622 | request->interval = interval; |
15d6030b | 5623 | request->scan_start = jiffies; |
807f8a8c | 5624 | |
e35e4d28 | 5625 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5626 | if (!err) { |
5627 | rdev->sched_scan_req = request; | |
5628 | nl80211_send_sched_scan(rdev, dev, | |
5629 | NL80211_CMD_START_SCHED_SCAN); | |
5630 | goto out; | |
5631 | } | |
5632 | ||
5633 | out_free: | |
5634 | kfree(request); | |
5635 | out: | |
5636 | return err; | |
5637 | } | |
5638 | ||
5639 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5640 | struct genl_info *info) | |
5641 | { | |
5642 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5643 | ||
5644 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5645 | !rdev->ops->sched_scan_stop) | |
5646 | return -EOPNOTSUPP; | |
5647 | ||
5fe231e8 | 5648 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
5649 | } |
5650 | ||
04f39047 SW |
5651 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5652 | struct genl_info *info) | |
5653 | { | |
5654 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5655 | struct net_device *dev = info->user_ptr[1]; | |
5656 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5657 | struct cfg80211_chan_def chandef; | |
5658 | int err; | |
5659 | ||
5660 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
5661 | if (err) | |
5662 | return err; | |
5663 | ||
ff311bc1 SW |
5664 | if (netif_carrier_ok(dev)) |
5665 | return -EBUSY; | |
5666 | ||
04f39047 SW |
5667 | if (wdev->cac_started) |
5668 | return -EBUSY; | |
5669 | ||
5670 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); | |
5671 | if (err < 0) | |
5672 | return err; | |
5673 | ||
5674 | if (err == 0) | |
5675 | return -EINVAL; | |
5676 | ||
5677 | if (chandef.chan->dfs_state != NL80211_DFS_USABLE) | |
5678 | return -EINVAL; | |
5679 | ||
5680 | if (!rdev->ops->start_radar_detection) | |
5681 | return -EOPNOTSUPP; | |
5682 | ||
04f39047 SW |
5683 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
5684 | chandef.chan, CHAN_MODE_SHARED, | |
5685 | BIT(chandef.width)); | |
5686 | if (err) | |
5fe231e8 | 5687 | return err; |
04f39047 SW |
5688 | |
5689 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); | |
5690 | if (!err) { | |
5691 | wdev->channel = chandef.chan; | |
5692 | wdev->cac_started = true; | |
5693 | wdev->cac_start_time = jiffies; | |
5694 | } | |
04f39047 SW |
5695 | return err; |
5696 | } | |
5697 | ||
16ef1fe2 SW |
5698 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
5699 | { | |
5700 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5701 | struct net_device *dev = info->user_ptr[1]; | |
5702 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5703 | struct cfg80211_csa_settings params; | |
5704 | /* csa_attrs is defined static to avoid waste of stack size - this | |
5705 | * function is called under RTNL lock, so this should not be a problem. | |
5706 | */ | |
5707 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
5708 | u8 radar_detect_width = 0; | |
5709 | int err; | |
ee4bc9e7 | 5710 | bool need_new_beacon = false; |
16ef1fe2 SW |
5711 | |
5712 | if (!rdev->ops->channel_switch || | |
5713 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
5714 | return -EOPNOTSUPP; | |
5715 | ||
ee4bc9e7 SW |
5716 | switch (dev->ieee80211_ptr->iftype) { |
5717 | case NL80211_IFTYPE_AP: | |
5718 | case NL80211_IFTYPE_P2P_GO: | |
5719 | need_new_beacon = true; | |
5720 | ||
5721 | /* useless if AP is not running */ | |
5722 | if (!wdev->beacon_interval) | |
5723 | return -EINVAL; | |
5724 | break; | |
5725 | case NL80211_IFTYPE_ADHOC: | |
c6da674a | 5726 | case NL80211_IFTYPE_MESH_POINT: |
ee4bc9e7 SW |
5727 | break; |
5728 | default: | |
16ef1fe2 | 5729 | return -EOPNOTSUPP; |
ee4bc9e7 | 5730 | } |
16ef1fe2 SW |
5731 | |
5732 | memset(¶ms, 0, sizeof(params)); | |
5733 | ||
5734 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5735 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
5736 | return -EINVAL; | |
5737 | ||
5738 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 5739 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
5740 | return -EINVAL; |
5741 | ||
5742 | params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
5743 | ||
ee4bc9e7 SW |
5744 | if (!need_new_beacon) |
5745 | goto skip_beacons; | |
5746 | ||
16ef1fe2 SW |
5747 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
5748 | if (err) | |
5749 | return err; | |
5750 | ||
5751 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
5752 | info->attrs[NL80211_ATTR_CSA_IES], | |
5753 | nl80211_policy); | |
5754 | if (err) | |
5755 | return err; | |
5756 | ||
5757 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
5758 | if (err) | |
5759 | return err; | |
5760 | ||
5761 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
5762 | return -EINVAL; | |
5763 | ||
5764 | params.counter_offset_beacon = | |
5765 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
5766 | if (params.counter_offset_beacon >= params.beacon_csa.tail_len) | |
5767 | return -EINVAL; | |
5768 | ||
5769 | /* sanity check - counters should be the same */ | |
5770 | if (params.beacon_csa.tail[params.counter_offset_beacon] != | |
5771 | params.count) | |
5772 | return -EINVAL; | |
5773 | ||
5774 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { | |
5775 | params.counter_offset_presp = | |
5776 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
5777 | if (params.counter_offset_presp >= | |
5778 | params.beacon_csa.probe_resp_len) | |
5779 | return -EINVAL; | |
5780 | ||
5781 | if (params.beacon_csa.probe_resp[params.counter_offset_presp] != | |
5782 | params.count) | |
5783 | return -EINVAL; | |
5784 | } | |
5785 | ||
ee4bc9e7 | 5786 | skip_beacons: |
16ef1fe2 SW |
5787 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
5788 | if (err) | |
5789 | return err; | |
5790 | ||
5791 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) | |
5792 | return -EINVAL; | |
5793 | ||
ee4bc9e7 | 5794 | if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP || |
5336fa88 SW |
5795 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO || |
5796 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC) { | |
ee4bc9e7 SW |
5797 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
5798 | ¶ms.chandef); | |
5799 | if (err < 0) { | |
5800 | return err; | |
5801 | } else if (err) { | |
5802 | radar_detect_width = BIT(params.chandef.width); | |
5803 | params.radar_required = true; | |
5804 | } | |
16ef1fe2 SW |
5805 | } |
5806 | ||
5807 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, | |
5808 | params.chandef.chan, | |
5809 | CHAN_MODE_SHARED, | |
5810 | radar_detect_width); | |
5811 | if (err) | |
5812 | return err; | |
5813 | ||
5814 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) | |
5815 | params.block_tx = true; | |
5816 | ||
5817 | return rdev_channel_switch(rdev, dev, ¶ms); | |
5818 | } | |
5819 | ||
9720bb3a JB |
5820 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
5821 | u32 seq, int flags, | |
2a519311 | 5822 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
5823 | struct wireless_dev *wdev, |
5824 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 5825 | { |
48ab905d | 5826 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 5827 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
5828 | void *hdr; |
5829 | struct nlattr *bss; | |
8cef2c9d | 5830 | bool tsf = false; |
48ab905d JB |
5831 | |
5832 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 5833 | |
15e47304 | 5834 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
5835 | NL80211_CMD_NEW_SCAN_RESULTS); |
5836 | if (!hdr) | |
5837 | return -1; | |
5838 | ||
9720bb3a JB |
5839 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
5840 | ||
97990a06 JB |
5841 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
5842 | goto nla_put_failure; | |
5843 | if (wdev->netdev && | |
9360ffd1 DM |
5844 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
5845 | goto nla_put_failure; | |
97990a06 JB |
5846 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
5847 | goto nla_put_failure; | |
2a519311 JB |
5848 | |
5849 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
5850 | if (!bss) | |
5851 | goto nla_put_failure; | |
9360ffd1 | 5852 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 5853 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 5854 | goto nla_put_failure; |
9caf0364 JB |
5855 | |
5856 | rcu_read_lock(); | |
5857 | ies = rcu_dereference(res->ies); | |
8cef2c9d JB |
5858 | if (ies) { |
5859 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5860 | goto fail_unlock_rcu; | |
5861 | tsf = true; | |
5862 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
5863 | ies->len, ies->data)) | |
5864 | goto fail_unlock_rcu; | |
9caf0364 JB |
5865 | } |
5866 | ies = rcu_dereference(res->beacon_ies); | |
8cef2c9d JB |
5867 | if (ies) { |
5868 | if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5869 | goto fail_unlock_rcu; | |
5870 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
5871 | ies->len, ies->data)) | |
5872 | goto fail_unlock_rcu; | |
9caf0364 JB |
5873 | } |
5874 | rcu_read_unlock(); | |
5875 | ||
9360ffd1 DM |
5876 | if (res->beacon_interval && |
5877 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
5878 | goto nla_put_failure; | |
5879 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
5880 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 5881 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
5882 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
5883 | jiffies_to_msecs(jiffies - intbss->ts))) | |
5884 | goto nla_put_failure; | |
2a519311 | 5885 | |
77965c97 | 5886 | switch (rdev->wiphy.signal_type) { |
2a519311 | 5887 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
5888 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
5889 | goto nla_put_failure; | |
2a519311 JB |
5890 | break; |
5891 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
5892 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
5893 | goto nla_put_failure; | |
2a519311 JB |
5894 | break; |
5895 | default: | |
5896 | break; | |
5897 | } | |
5898 | ||
48ab905d | 5899 | switch (wdev->iftype) { |
074ac8df | 5900 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 5901 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
5902 | if (intbss == wdev->current_bss && |
5903 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5904 | NL80211_BSS_STATUS_ASSOCIATED)) | |
5905 | goto nla_put_failure; | |
48ab905d JB |
5906 | break; |
5907 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
5908 | if (intbss == wdev->current_bss && |
5909 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5910 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
5911 | goto nla_put_failure; | |
48ab905d JB |
5912 | break; |
5913 | default: | |
5914 | break; | |
5915 | } | |
5916 | ||
2a519311 JB |
5917 | nla_nest_end(msg, bss); |
5918 | ||
5919 | return genlmsg_end(msg, hdr); | |
5920 | ||
8cef2c9d JB |
5921 | fail_unlock_rcu: |
5922 | rcu_read_unlock(); | |
2a519311 JB |
5923 | nla_put_failure: |
5924 | genlmsg_cancel(msg, hdr); | |
5925 | return -EMSGSIZE; | |
5926 | } | |
5927 | ||
97990a06 | 5928 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 5929 | { |
48ab905d | 5930 | struct cfg80211_registered_device *rdev; |
2a519311 | 5931 | struct cfg80211_internal_bss *scan; |
48ab905d | 5932 | struct wireless_dev *wdev; |
97990a06 | 5933 | int start = cb->args[2], idx = 0; |
2a519311 JB |
5934 | int err; |
5935 | ||
97990a06 | 5936 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5937 | if (err) |
5938 | return err; | |
2a519311 | 5939 | |
48ab905d JB |
5940 | wdev_lock(wdev); |
5941 | spin_lock_bh(&rdev->bss_lock); | |
5942 | cfg80211_bss_expire(rdev); | |
5943 | ||
9720bb3a JB |
5944 | cb->seq = rdev->bss_generation; |
5945 | ||
48ab905d | 5946 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
5947 | if (++idx <= start) |
5948 | continue; | |
9720bb3a | 5949 | if (nl80211_send_bss(skb, cb, |
2a519311 | 5950 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 5951 | rdev, wdev, scan) < 0) { |
2a519311 | 5952 | idx--; |
67748893 | 5953 | break; |
2a519311 JB |
5954 | } |
5955 | } | |
5956 | ||
48ab905d JB |
5957 | spin_unlock_bh(&rdev->bss_lock); |
5958 | wdev_unlock(wdev); | |
2a519311 | 5959 | |
97990a06 JB |
5960 | cb->args[2] = idx; |
5961 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 5962 | |
67748893 | 5963 | return skb->len; |
2a519311 JB |
5964 | } |
5965 | ||
15e47304 | 5966 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
5967 | int flags, struct net_device *dev, |
5968 | struct survey_info *survey) | |
5969 | { | |
5970 | void *hdr; | |
5971 | struct nlattr *infoattr; | |
5972 | ||
15e47304 | 5973 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
5974 | NL80211_CMD_NEW_SURVEY_RESULTS); |
5975 | if (!hdr) | |
5976 | return -ENOMEM; | |
5977 | ||
9360ffd1 DM |
5978 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
5979 | goto nla_put_failure; | |
61fa713c HS |
5980 | |
5981 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
5982 | if (!infoattr) | |
5983 | goto nla_put_failure; | |
5984 | ||
9360ffd1 DM |
5985 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
5986 | survey->channel->center_freq)) | |
5987 | goto nla_put_failure; | |
5988 | ||
5989 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
5990 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
5991 | goto nla_put_failure; | |
5992 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
5993 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
5994 | goto nla_put_failure; | |
5995 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
5996 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
5997 | survey->channel_time)) | |
5998 | goto nla_put_failure; | |
5999 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
6000 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
6001 | survey->channel_time_busy)) | |
6002 | goto nla_put_failure; | |
6003 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
6004 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
6005 | survey->channel_time_ext_busy)) | |
6006 | goto nla_put_failure; | |
6007 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
6008 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
6009 | survey->channel_time_rx)) | |
6010 | goto nla_put_failure; | |
6011 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
6012 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
6013 | survey->channel_time_tx)) | |
6014 | goto nla_put_failure; | |
61fa713c HS |
6015 | |
6016 | nla_nest_end(msg, infoattr); | |
6017 | ||
6018 | return genlmsg_end(msg, hdr); | |
6019 | ||
6020 | nla_put_failure: | |
6021 | genlmsg_cancel(msg, hdr); | |
6022 | return -EMSGSIZE; | |
6023 | } | |
6024 | ||
6025 | static int nl80211_dump_survey(struct sk_buff *skb, | |
6026 | struct netlink_callback *cb) | |
6027 | { | |
6028 | struct survey_info survey; | |
6029 | struct cfg80211_registered_device *dev; | |
97990a06 JB |
6030 | struct wireless_dev *wdev; |
6031 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6032 | int res; |
6033 | ||
97990a06 | 6034 | res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
6035 | if (res) |
6036 | return res; | |
61fa713c | 6037 | |
97990a06 JB |
6038 | if (!wdev->netdev) { |
6039 | res = -EINVAL; | |
6040 | goto out_err; | |
6041 | } | |
6042 | ||
61fa713c HS |
6043 | if (!dev->ops->dump_survey) { |
6044 | res = -EOPNOTSUPP; | |
6045 | goto out_err; | |
6046 | } | |
6047 | ||
6048 | while (1) { | |
180cdc79 LR |
6049 | struct ieee80211_channel *chan; |
6050 | ||
97990a06 | 6051 | res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6052 | if (res == -ENOENT) |
6053 | break; | |
6054 | if (res) | |
6055 | goto out_err; | |
6056 | ||
180cdc79 LR |
6057 | /* Survey without a channel doesn't make sense */ |
6058 | if (!survey.channel) { | |
6059 | res = -EINVAL; | |
6060 | goto out; | |
6061 | } | |
6062 | ||
6063 | chan = ieee80211_get_channel(&dev->wiphy, | |
6064 | survey.channel->center_freq); | |
6065 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
6066 | survey_idx++; | |
6067 | continue; | |
6068 | } | |
6069 | ||
61fa713c | 6070 | if (nl80211_send_survey(skb, |
15e47304 | 6071 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6072 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6073 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6074 | goto out; |
6075 | survey_idx++; | |
6076 | } | |
6077 | ||
6078 | out: | |
97990a06 | 6079 | cb->args[2] = survey_idx; |
61fa713c HS |
6080 | res = skb->len; |
6081 | out_err: | |
97990a06 | 6082 | nl80211_finish_wdev_dump(dev); |
61fa713c HS |
6083 | return res; |
6084 | } | |
6085 | ||
b23aa676 SO |
6086 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6087 | { | |
6088 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6089 | NL80211_WPA_VERSION_2)); | |
6090 | } | |
6091 | ||
636a5d36 JM |
6092 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6093 | { | |
4c476991 JB |
6094 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6095 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6096 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6097 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6098 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6099 | enum nl80211_auth_type auth_type; |
fffd0934 | 6100 | struct key_parse key; |
d5cdfacb | 6101 | bool local_state_change; |
636a5d36 | 6102 | |
f4a11bb0 JB |
6103 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6104 | return -EINVAL; | |
6105 | ||
6106 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6107 | return -EINVAL; | |
6108 | ||
1778092e JM |
6109 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6110 | return -EINVAL; | |
6111 | ||
19957bb3 JB |
6112 | if (!info->attrs[NL80211_ATTR_SSID]) |
6113 | return -EINVAL; | |
6114 | ||
6115 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6116 | return -EINVAL; | |
6117 | ||
fffd0934 JB |
6118 | err = nl80211_parse_key(info, &key); |
6119 | if (err) | |
6120 | return err; | |
6121 | ||
6122 | if (key.idx >= 0) { | |
e31b8213 JB |
6123 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6124 | return -EINVAL; | |
fffd0934 JB |
6125 | if (!key.p.key || !key.p.key_len) |
6126 | return -EINVAL; | |
6127 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6128 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6129 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6130 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6131 | return -EINVAL; | |
6132 | if (key.idx > 4) | |
6133 | return -EINVAL; | |
6134 | } else { | |
6135 | key.p.key_len = 0; | |
6136 | key.p.key = NULL; | |
6137 | } | |
6138 | ||
afea0b7a JB |
6139 | if (key.idx >= 0) { |
6140 | int i; | |
6141 | bool ok = false; | |
6142 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6143 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6144 | ok = true; | |
6145 | break; | |
6146 | } | |
6147 | } | |
4c476991 JB |
6148 | if (!ok) |
6149 | return -EINVAL; | |
afea0b7a JB |
6150 | } |
6151 | ||
4c476991 JB |
6152 | if (!rdev->ops->auth) |
6153 | return -EOPNOTSUPP; | |
636a5d36 | 6154 | |
074ac8df | 6155 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6156 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6157 | return -EOPNOTSUPP; | |
eec60b03 | 6158 | |
19957bb3 | 6159 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 6160 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 6161 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
6162 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6163 | return -EINVAL; | |
636a5d36 | 6164 | |
19957bb3 JB |
6165 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6166 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6167 | |
6168 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6169 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6170 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6171 | } |
6172 | ||
19957bb3 | 6173 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6174 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6175 | return -EINVAL; |
636a5d36 | 6176 | |
e39e5b5e JM |
6177 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6178 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6179 | return -EINVAL; | |
6180 | ||
6181 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6182 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6183 | return -EINVAL; | |
6184 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6185 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6186 | /* need to include at least Auth Transaction and Status Code */ | |
6187 | if (sae_data_len < 4) | |
6188 | return -EINVAL; | |
6189 | } | |
6190 | ||
d5cdfacb JM |
6191 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6192 | ||
95de817b JB |
6193 | /* |
6194 | * Since we no longer track auth state, ignore | |
6195 | * requests to only change local state. | |
6196 | */ | |
6197 | if (local_state_change) | |
6198 | return 0; | |
6199 | ||
91bf9b26 JB |
6200 | wdev_lock(dev->ieee80211_ptr); |
6201 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6202 | ssid, ssid_len, ie, ie_len, | |
6203 | key.p.key, key.p.key_len, key.idx, | |
6204 | sae_data, sae_data_len); | |
6205 | wdev_unlock(dev->ieee80211_ptr); | |
6206 | return err; | |
636a5d36 JM |
6207 | } |
6208 | ||
c0692b8f JB |
6209 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6210 | struct genl_info *info, | |
3dc27d25 JB |
6211 | struct cfg80211_crypto_settings *settings, |
6212 | int cipher_limit) | |
b23aa676 | 6213 | { |
c0b2bbd8 JB |
6214 | memset(settings, 0, sizeof(*settings)); |
6215 | ||
b23aa676 SO |
6216 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6217 | ||
c0692b8f JB |
6218 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6219 | u16 proto; | |
6220 | proto = nla_get_u16( | |
6221 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6222 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6223 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6224 | proto != ETH_P_PAE) | |
6225 | return -EINVAL; | |
6226 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6227 | settings->control_port_no_encrypt = true; | |
6228 | } else | |
6229 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6230 | ||
b23aa676 SO |
6231 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6232 | void *data; | |
6233 | int len, i; | |
6234 | ||
6235 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6236 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6237 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6238 | ||
6239 | if (len % sizeof(u32)) | |
6240 | return -EINVAL; | |
6241 | ||
3dc27d25 | 6242 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6243 | return -EINVAL; |
6244 | ||
6245 | memcpy(settings->ciphers_pairwise, data, len); | |
6246 | ||
6247 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6248 | if (!cfg80211_supported_cipher_suite( |
6249 | &rdev->wiphy, | |
b23aa676 SO |
6250 | settings->ciphers_pairwise[i])) |
6251 | return -EINVAL; | |
6252 | } | |
6253 | ||
6254 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6255 | settings->cipher_group = | |
6256 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6257 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6258 | settings->cipher_group)) | |
b23aa676 SO |
6259 | return -EINVAL; |
6260 | } | |
6261 | ||
6262 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6263 | settings->wpa_versions = | |
6264 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6265 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6266 | return -EINVAL; | |
6267 | } | |
6268 | ||
6269 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6270 | void *data; | |
6d30240e | 6271 | int len; |
b23aa676 SO |
6272 | |
6273 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6274 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6275 | settings->n_akm_suites = len / sizeof(u32); | |
6276 | ||
6277 | if (len % sizeof(u32)) | |
6278 | return -EINVAL; | |
6279 | ||
1b9ca027 JM |
6280 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6281 | return -EINVAL; | |
6282 | ||
b23aa676 | 6283 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6284 | } |
6285 | ||
6286 | return 0; | |
6287 | } | |
6288 | ||
636a5d36 JM |
6289 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6290 | { | |
4c476991 JB |
6291 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6292 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6293 | struct ieee80211_channel *chan; |
f62fab73 JB |
6294 | struct cfg80211_assoc_request req = {}; |
6295 | const u8 *bssid, *ssid; | |
6296 | int err, ssid_len = 0; | |
636a5d36 | 6297 | |
f4a11bb0 JB |
6298 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6299 | return -EINVAL; | |
6300 | ||
6301 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6302 | !info->attrs[NL80211_ATTR_SSID] || |
6303 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6304 | return -EINVAL; |
6305 | ||
4c476991 JB |
6306 | if (!rdev->ops->assoc) |
6307 | return -EOPNOTSUPP; | |
636a5d36 | 6308 | |
074ac8df | 6309 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6310 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6311 | return -EOPNOTSUPP; | |
eec60b03 | 6312 | |
19957bb3 | 6313 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6314 | |
19957bb3 JB |
6315 | chan = ieee80211_get_channel(&rdev->wiphy, |
6316 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
6317 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6318 | return -EINVAL; | |
636a5d36 | 6319 | |
19957bb3 JB |
6320 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6321 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6322 | |
6323 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6324 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6325 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6326 | } |
6327 | ||
dc6382ce | 6328 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6329 | enum nl80211_mfp mfp = |
dc6382ce | 6330 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6331 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6332 | req.use_mfp = true; |
4c476991 JB |
6333 | else if (mfp != NL80211_MFP_NO) |
6334 | return -EINVAL; | |
dc6382ce JM |
6335 | } |
6336 | ||
3e5d7649 | 6337 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6338 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6339 | |
7e7c8926 | 6340 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6341 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6342 | |
6343 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6344 | memcpy(&req.ht_capa_mask, |
6345 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6346 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6347 | |
6348 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6349 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6350 | return -EINVAL; |
f62fab73 JB |
6351 | memcpy(&req.ht_capa, |
6352 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6353 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6354 | } |
6355 | ||
ee2aca34 | 6356 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6357 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6358 | |
6359 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6360 | memcpy(&req.vht_capa_mask, |
6361 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6362 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6363 | |
6364 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6365 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6366 | return -EINVAL; |
f62fab73 JB |
6367 | memcpy(&req.vht_capa, |
6368 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6369 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6370 | } |
6371 | ||
f62fab73 | 6372 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6373 | if (!err) { |
6374 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6375 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6376 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6377 | wdev_unlock(dev->ieee80211_ptr); |
6378 | } | |
636a5d36 | 6379 | |
636a5d36 JM |
6380 | return err; |
6381 | } | |
6382 | ||
6383 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6384 | { | |
4c476991 JB |
6385 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6386 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6387 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6388 | int ie_len = 0, err; |
19957bb3 | 6389 | u16 reason_code; |
d5cdfacb | 6390 | bool local_state_change; |
636a5d36 | 6391 | |
f4a11bb0 JB |
6392 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6393 | return -EINVAL; | |
6394 | ||
6395 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6396 | return -EINVAL; | |
6397 | ||
6398 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6399 | return -EINVAL; | |
6400 | ||
4c476991 JB |
6401 | if (!rdev->ops->deauth) |
6402 | return -EOPNOTSUPP; | |
636a5d36 | 6403 | |
074ac8df | 6404 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6405 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6406 | return -EOPNOTSUPP; | |
eec60b03 | 6407 | |
19957bb3 | 6408 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6409 | |
19957bb3 JB |
6410 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6411 | if (reason_code == 0) { | |
f4a11bb0 | 6412 | /* Reason Code 0 is reserved */ |
4c476991 | 6413 | return -EINVAL; |
255e737e | 6414 | } |
636a5d36 JM |
6415 | |
6416 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6417 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6418 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6419 | } |
6420 | ||
d5cdfacb JM |
6421 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6422 | ||
91bf9b26 JB |
6423 | wdev_lock(dev->ieee80211_ptr); |
6424 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6425 | local_state_change); | |
6426 | wdev_unlock(dev->ieee80211_ptr); | |
6427 | return err; | |
636a5d36 JM |
6428 | } |
6429 | ||
6430 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6431 | { | |
4c476991 JB |
6432 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6433 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6434 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6435 | int ie_len = 0, err; |
19957bb3 | 6436 | u16 reason_code; |
d5cdfacb | 6437 | bool local_state_change; |
636a5d36 | 6438 | |
f4a11bb0 JB |
6439 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6440 | return -EINVAL; | |
6441 | ||
6442 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6443 | return -EINVAL; | |
6444 | ||
6445 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6446 | return -EINVAL; | |
6447 | ||
4c476991 JB |
6448 | if (!rdev->ops->disassoc) |
6449 | return -EOPNOTSUPP; | |
636a5d36 | 6450 | |
074ac8df | 6451 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6452 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6453 | return -EOPNOTSUPP; | |
eec60b03 | 6454 | |
19957bb3 | 6455 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6456 | |
19957bb3 JB |
6457 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6458 | if (reason_code == 0) { | |
f4a11bb0 | 6459 | /* Reason Code 0 is reserved */ |
4c476991 | 6460 | return -EINVAL; |
255e737e | 6461 | } |
636a5d36 JM |
6462 | |
6463 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6464 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6465 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6466 | } |
6467 | ||
d5cdfacb JM |
6468 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6469 | ||
91bf9b26 JB |
6470 | wdev_lock(dev->ieee80211_ptr); |
6471 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6472 | local_state_change); | |
6473 | wdev_unlock(dev->ieee80211_ptr); | |
6474 | return err; | |
636a5d36 JM |
6475 | } |
6476 | ||
dd5b4cc7 FF |
6477 | static bool |
6478 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6479 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6480 | int rateval) | |
6481 | { | |
6482 | struct wiphy *wiphy = &rdev->wiphy; | |
6483 | bool found = false; | |
6484 | int band, i; | |
6485 | ||
6486 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6487 | struct ieee80211_supported_band *sband; | |
6488 | ||
6489 | sband = wiphy->bands[band]; | |
6490 | if (!sband) | |
6491 | continue; | |
6492 | ||
6493 | for (i = 0; i < sband->n_bitrates; i++) { | |
6494 | if (sband->bitrates[i].bitrate == rateval) { | |
6495 | mcast_rate[band] = i + 1; | |
6496 | found = true; | |
6497 | break; | |
6498 | } | |
6499 | } | |
6500 | } | |
6501 | ||
6502 | return found; | |
6503 | } | |
6504 | ||
04a773ad JB |
6505 | static int nl80211_join_ibss(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]; | |
04a773ad JB |
6509 | struct cfg80211_ibss_params ibss; |
6510 | struct wiphy *wiphy; | |
fffd0934 | 6511 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6512 | int err; |
6513 | ||
8e30bc55 JB |
6514 | memset(&ibss, 0, sizeof(ibss)); |
6515 | ||
04a773ad JB |
6516 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6517 | return -EINVAL; | |
6518 | ||
683b6d3b | 6519 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6520 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6521 | return -EINVAL; | |
6522 | ||
8e30bc55 JB |
6523 | ibss.beacon_interval = 100; |
6524 | ||
6525 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6526 | ibss.beacon_interval = | |
6527 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6528 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6529 | return -EINVAL; | |
6530 | } | |
6531 | ||
4c476991 JB |
6532 | if (!rdev->ops->join_ibss) |
6533 | return -EOPNOTSUPP; | |
04a773ad | 6534 | |
4c476991 JB |
6535 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6536 | return -EOPNOTSUPP; | |
04a773ad | 6537 | |
79c97e97 | 6538 | wiphy = &rdev->wiphy; |
04a773ad | 6539 | |
39193498 | 6540 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6541 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6542 | |
6543 | if (!is_valid_ether_addr(ibss.bssid)) | |
6544 | return -EINVAL; | |
6545 | } | |
04a773ad JB |
6546 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6547 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6548 | ||
6549 | if (info->attrs[NL80211_ATTR_IE]) { | |
6550 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6551 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6552 | } | |
6553 | ||
683b6d3b JB |
6554 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6555 | if (err) | |
6556 | return err; | |
04a773ad | 6557 | |
683b6d3b | 6558 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) |
54858ee5 AS |
6559 | return -EINVAL; |
6560 | ||
2f301ab2 | 6561 | switch (ibss.chandef.width) { |
bf372645 SW |
6562 | case NL80211_CHAN_WIDTH_5: |
6563 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
6564 | case NL80211_CHAN_WIDTH_20_NOHT: |
6565 | break; | |
6566 | case NL80211_CHAN_WIDTH_20: | |
6567 | case NL80211_CHAN_WIDTH_40: | |
6568 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
6569 | break; | |
6570 | default: | |
c04d6150 | 6571 | return -EINVAL; |
2f301ab2 | 6572 | } |
db9c64cf | 6573 | |
04a773ad | 6574 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6575 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6576 | ||
fbd2c8dc TP |
6577 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6578 | u8 *rates = | |
6579 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6580 | int n_rates = | |
6581 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6582 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6583 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6584 | |
34850ab2 JB |
6585 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6586 | &ibss.basic_rates); | |
6587 | if (err) | |
6588 | return err; | |
fbd2c8dc | 6589 | } |
dd5b4cc7 | 6590 | |
803768f5 SW |
6591 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
6592 | memcpy(&ibss.ht_capa_mask, | |
6593 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6594 | sizeof(ibss.ht_capa_mask)); | |
6595 | ||
6596 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
6597 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6598 | return -EINVAL; | |
6599 | memcpy(&ibss.ht_capa, | |
6600 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6601 | sizeof(ibss.ht_capa)); | |
6602 | } | |
6603 | ||
dd5b4cc7 FF |
6604 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6605 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6606 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6607 | return -EINVAL; | |
fbd2c8dc | 6608 | |
4c476991 | 6609 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6610 | bool no_ht = false; |
6611 | ||
4c476991 | 6612 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6613 | info->attrs[NL80211_ATTR_KEYS], |
6614 | &no_ht); | |
4c476991 JB |
6615 | if (IS_ERR(connkeys)) |
6616 | return PTR_ERR(connkeys); | |
de7044ee | 6617 | |
3d9d1d66 JB |
6618 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6619 | no_ht) { | |
de7044ee SM |
6620 | kfree(connkeys); |
6621 | return -EINVAL; | |
6622 | } | |
4c476991 | 6623 | } |
04a773ad | 6624 | |
267335d6 AQ |
6625 | ibss.control_port = |
6626 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6627 | ||
5336fa88 SW |
6628 | ibss.userspace_handles_dfs = |
6629 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
6630 | ||
4c476991 | 6631 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
6632 | if (err) |
6633 | kfree(connkeys); | |
04a773ad JB |
6634 | return err; |
6635 | } | |
6636 | ||
6637 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6638 | { | |
4c476991 JB |
6639 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6640 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6641 | |
4c476991 JB |
6642 | if (!rdev->ops->leave_ibss) |
6643 | return -EOPNOTSUPP; | |
04a773ad | 6644 | |
4c476991 JB |
6645 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6646 | return -EOPNOTSUPP; | |
04a773ad | 6647 | |
4c476991 | 6648 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6649 | } |
6650 | ||
f4e583c8 AQ |
6651 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6652 | { | |
6653 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6654 | struct net_device *dev = info->user_ptr[1]; | |
6655 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6656 | u32 nla_rate; | |
6657 | int err; | |
6658 | ||
6659 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6660 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6661 | return -EOPNOTSUPP; | |
6662 | ||
6663 | if (!rdev->ops->set_mcast_rate) | |
6664 | return -EOPNOTSUPP; | |
6665 | ||
6666 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6667 | ||
6668 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6669 | return -EINVAL; | |
6670 | ||
6671 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6672 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6673 | return -EINVAL; | |
6674 | ||
6675 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6676 | ||
6677 | return err; | |
6678 | } | |
6679 | ||
6680 | ||
aff89a9b | 6681 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
6682 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
6683 | { | |
4c476991 | 6684 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
6685 | struct wireless_dev *wdev = |
6686 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
6687 | int err; |
6688 | ||
fc73f11f DS |
6689 | if (!rdev->ops->testmode_cmd) |
6690 | return -EOPNOTSUPP; | |
6691 | ||
6692 | if (IS_ERR(wdev)) { | |
6693 | err = PTR_ERR(wdev); | |
6694 | if (err != -EINVAL) | |
6695 | return err; | |
6696 | wdev = NULL; | |
6697 | } else if (wdev->wiphy != &rdev->wiphy) { | |
6698 | return -EINVAL; | |
6699 | } | |
6700 | ||
aff89a9b JB |
6701 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
6702 | return -EINVAL; | |
6703 | ||
fc73f11f DS |
6704 | rdev->testmode_info = info; |
6705 | err = rdev_testmode_cmd(rdev, wdev, | |
aff89a9b JB |
6706 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
6707 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
fc73f11f | 6708 | rdev->testmode_info = NULL; |
aff89a9b | 6709 | |
aff89a9b JB |
6710 | return err; |
6711 | } | |
6712 | ||
71063f0e WYG |
6713 | static int nl80211_testmode_dump(struct sk_buff *skb, |
6714 | struct netlink_callback *cb) | |
6715 | { | |
00918d33 | 6716 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
6717 | int err; |
6718 | long phy_idx; | |
6719 | void *data = NULL; | |
6720 | int data_len = 0; | |
6721 | ||
5fe231e8 JB |
6722 | rtnl_lock(); |
6723 | ||
71063f0e WYG |
6724 | if (cb->args[0]) { |
6725 | /* | |
6726 | * 0 is a valid index, but not valid for args[0], | |
6727 | * so we need to offset by 1. | |
6728 | */ | |
6729 | phy_idx = cb->args[0] - 1; | |
6730 | } else { | |
6731 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
6732 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
6733 | nl80211_policy); | |
6734 | if (err) | |
5fe231e8 | 6735 | goto out_err; |
00918d33 | 6736 | |
2bd7e35d JB |
6737 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
6738 | nl80211_fam.attrbuf); | |
6739 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
6740 | err = PTR_ERR(rdev); |
6741 | goto out_err; | |
00918d33 | 6742 | } |
2bd7e35d JB |
6743 | phy_idx = rdev->wiphy_idx; |
6744 | rdev = NULL; | |
2bd7e35d | 6745 | |
71063f0e WYG |
6746 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
6747 | cb->args[1] = | |
6748 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
6749 | } | |
6750 | ||
6751 | if (cb->args[1]) { | |
6752 | data = nla_data((void *)cb->args[1]); | |
6753 | data_len = nla_len((void *)cb->args[1]); | |
6754 | } | |
6755 | ||
00918d33 JB |
6756 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
6757 | if (!rdev) { | |
5fe231e8 JB |
6758 | err = -ENOENT; |
6759 | goto out_err; | |
71063f0e | 6760 | } |
71063f0e | 6761 | |
00918d33 | 6762 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
6763 | err = -EOPNOTSUPP; |
6764 | goto out_err; | |
6765 | } | |
6766 | ||
6767 | while (1) { | |
15e47304 | 6768 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
6769 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
6770 | NL80211_CMD_TESTMODE); | |
6771 | struct nlattr *tmdata; | |
6772 | ||
cb35fba3 DC |
6773 | if (!hdr) |
6774 | break; | |
6775 | ||
9360ffd1 | 6776 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
6777 | genlmsg_cancel(skb, hdr); |
6778 | break; | |
6779 | } | |
6780 | ||
6781 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
6782 | if (!tmdata) { | |
6783 | genlmsg_cancel(skb, hdr); | |
6784 | break; | |
6785 | } | |
e35e4d28 | 6786 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
6787 | nla_nest_end(skb, tmdata); |
6788 | ||
6789 | if (err == -ENOBUFS || err == -ENOENT) { | |
6790 | genlmsg_cancel(skb, hdr); | |
6791 | break; | |
6792 | } else if (err) { | |
6793 | genlmsg_cancel(skb, hdr); | |
6794 | goto out_err; | |
6795 | } | |
6796 | ||
6797 | genlmsg_end(skb, hdr); | |
6798 | } | |
6799 | ||
6800 | err = skb->len; | |
6801 | /* see above */ | |
6802 | cb->args[0] = phy_idx + 1; | |
6803 | out_err: | |
5fe231e8 | 6804 | rtnl_unlock(); |
71063f0e WYG |
6805 | return err; |
6806 | } | |
6807 | ||
aff89a9b JB |
6808 | static struct sk_buff * |
6809 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
15e47304 | 6810 | int approxlen, u32 portid, u32 seq, gfp_t gfp) |
aff89a9b JB |
6811 | { |
6812 | struct sk_buff *skb; | |
6813 | void *hdr; | |
6814 | struct nlattr *data; | |
6815 | ||
6816 | skb = nlmsg_new(approxlen + 100, gfp); | |
6817 | if (!skb) | |
6818 | return NULL; | |
6819 | ||
15e47304 | 6820 | hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE); |
aff89a9b JB |
6821 | if (!hdr) { |
6822 | kfree_skb(skb); | |
6823 | return NULL; | |
6824 | } | |
6825 | ||
9360ffd1 DM |
6826 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) |
6827 | goto nla_put_failure; | |
aff89a9b JB |
6828 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); |
6829 | ||
6830 | ((void **)skb->cb)[0] = rdev; | |
6831 | ((void **)skb->cb)[1] = hdr; | |
6832 | ((void **)skb->cb)[2] = data; | |
6833 | ||
6834 | return skb; | |
6835 | ||
6836 | nla_put_failure: | |
6837 | kfree_skb(skb); | |
6838 | return NULL; | |
6839 | } | |
6840 | ||
6841 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
6842 | int approxlen) | |
6843 | { | |
6844 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6845 | ||
6846 | if (WARN_ON(!rdev->testmode_info)) | |
6847 | return NULL; | |
6848 | ||
6849 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
15e47304 | 6850 | rdev->testmode_info->snd_portid, |
aff89a9b JB |
6851 | rdev->testmode_info->snd_seq, |
6852 | GFP_KERNEL); | |
6853 | } | |
6854 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
6855 | ||
6856 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
6857 | { | |
6858 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
6859 | void *hdr = ((void **)skb->cb)[1]; | |
6860 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6861 | ||
6862 | if (WARN_ON(!rdev->testmode_info)) { | |
6863 | kfree_skb(skb); | |
6864 | return -EINVAL; | |
6865 | } | |
6866 | ||
6867 | nla_nest_end(skb, data); | |
6868 | genlmsg_end(skb, hdr); | |
6869 | return genlmsg_reply(skb, rdev->testmode_info); | |
6870 | } | |
6871 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
6872 | ||
6873 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
6874 | int approxlen, gfp_t gfp) | |
6875 | { | |
6876 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6877 | ||
6878 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
6879 | } | |
6880 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
6881 | ||
6882 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
6883 | { | |
a0ec570f | 6884 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; |
aff89a9b JB |
6885 | void *hdr = ((void **)skb->cb)[1]; |
6886 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6887 | ||
6888 | nla_nest_end(skb, data); | |
6889 | genlmsg_end(skb, hdr); | |
68eb5503 | 6890 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, |
2a94fe48 | 6891 | NL80211_MCGRP_TESTMODE, gfp); |
aff89a9b JB |
6892 | } |
6893 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
6894 | #endif | |
6895 | ||
b23aa676 SO |
6896 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
6897 | { | |
4c476991 JB |
6898 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6899 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
6900 | struct cfg80211_connect_params connect; |
6901 | struct wiphy *wiphy; | |
fffd0934 | 6902 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
6903 | int err; |
6904 | ||
6905 | memset(&connect, 0, sizeof(connect)); | |
6906 | ||
6907 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
6908 | return -EINVAL; | |
6909 | ||
6910 | if (!info->attrs[NL80211_ATTR_SSID] || | |
6911 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
6912 | return -EINVAL; | |
6913 | ||
6914 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
6915 | connect.auth_type = | |
6916 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
6917 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
6918 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
6919 | return -EINVAL; |
6920 | } else | |
6921 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
6922 | ||
6923 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
6924 | ||
c0692b8f | 6925 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 6926 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
6927 | if (err) |
6928 | return err; | |
b23aa676 | 6929 | |
074ac8df | 6930 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6931 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6932 | return -EOPNOTSUPP; | |
b23aa676 | 6933 | |
79c97e97 | 6934 | wiphy = &rdev->wiphy; |
b23aa676 | 6935 | |
4486ea98 BS |
6936 | connect.bg_scan_period = -1; |
6937 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
6938 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
6939 | connect.bg_scan_period = | |
6940 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
6941 | } | |
6942 | ||
b23aa676 SO |
6943 | if (info->attrs[NL80211_ATTR_MAC]) |
6944 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6945 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
6946 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6947 | ||
6948 | if (info->attrs[NL80211_ATTR_IE]) { | |
6949 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6950 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6951 | } | |
6952 | ||
cee00a95 JM |
6953 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
6954 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
6955 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
6956 | connect.mfp != NL80211_MFP_NO) | |
6957 | return -EINVAL; | |
6958 | } else { | |
6959 | connect.mfp = NL80211_MFP_NO; | |
6960 | } | |
6961 | ||
b23aa676 SO |
6962 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
6963 | connect.channel = | |
6964 | ieee80211_get_channel(wiphy, | |
6965 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
6966 | if (!connect.channel || | |
4c476991 JB |
6967 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
6968 | return -EINVAL; | |
b23aa676 SO |
6969 | } |
6970 | ||
fffd0934 JB |
6971 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
6972 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 6973 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
6974 | if (IS_ERR(connkeys)) |
6975 | return PTR_ERR(connkeys); | |
fffd0934 JB |
6976 | } |
6977 | ||
7e7c8926 BG |
6978 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
6979 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
6980 | ||
6981 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6982 | memcpy(&connect.ht_capa_mask, | |
6983 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6984 | sizeof(connect.ht_capa_mask)); | |
6985 | ||
6986 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
6987 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
6988 | kfree(connkeys); | |
7e7c8926 | 6989 | return -EINVAL; |
b4e4f47e | 6990 | } |
7e7c8926 BG |
6991 | memcpy(&connect.ht_capa, |
6992 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6993 | sizeof(connect.ht_capa)); | |
6994 | } | |
6995 | ||
ee2aca34 JB |
6996 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
6997 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
6998 | ||
6999 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
7000 | memcpy(&connect.vht_capa_mask, | |
7001 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7002 | sizeof(connect.vht_capa_mask)); | |
7003 | ||
7004 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7005 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
7006 | kfree(connkeys); | |
7007 | return -EINVAL; | |
7008 | } | |
7009 | memcpy(&connect.vht_capa, | |
7010 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7011 | sizeof(connect.vht_capa)); | |
7012 | } | |
7013 | ||
83739b03 JB |
7014 | wdev_lock(dev->ieee80211_ptr); |
7015 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7016 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 JB |
7017 | if (err) |
7018 | kfree(connkeys); | |
b23aa676 SO |
7019 | return err; |
7020 | } | |
7021 | ||
7022 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7023 | { | |
4c476991 JB |
7024 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7025 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7026 | u16 reason; |
83739b03 | 7027 | int ret; |
b23aa676 SO |
7028 | |
7029 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7030 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7031 | else | |
7032 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7033 | ||
7034 | if (reason == 0) | |
7035 | return -EINVAL; | |
7036 | ||
074ac8df | 7037 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7038 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7039 | return -EOPNOTSUPP; | |
b23aa676 | 7040 | |
83739b03 JB |
7041 | wdev_lock(dev->ieee80211_ptr); |
7042 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7043 | wdev_unlock(dev->ieee80211_ptr); | |
7044 | return ret; | |
b23aa676 SO |
7045 | } |
7046 | ||
463d0183 JB |
7047 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7048 | { | |
4c476991 | 7049 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7050 | struct net *net; |
7051 | int err; | |
7052 | u32 pid; | |
7053 | ||
7054 | if (!info->attrs[NL80211_ATTR_PID]) | |
7055 | return -EINVAL; | |
7056 | ||
7057 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7058 | ||
463d0183 | 7059 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7060 | if (IS_ERR(net)) |
7061 | return PTR_ERR(net); | |
463d0183 JB |
7062 | |
7063 | err = 0; | |
7064 | ||
7065 | /* check if anything to do */ | |
4c476991 JB |
7066 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7067 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7068 | |
463d0183 | 7069 | put_net(net); |
463d0183 JB |
7070 | return err; |
7071 | } | |
7072 | ||
67fbb16b SO |
7073 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7074 | { | |
4c476991 | 7075 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7076 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7077 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7078 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7079 | struct cfg80211_pmksa pmksa; |
7080 | ||
7081 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7082 | ||
7083 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7084 | return -EINVAL; | |
7085 | ||
7086 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7087 | return -EINVAL; | |
7088 | ||
67fbb16b SO |
7089 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7090 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7091 | ||
074ac8df | 7092 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7093 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7094 | return -EOPNOTSUPP; | |
67fbb16b SO |
7095 | |
7096 | switch (info->genlhdr->cmd) { | |
7097 | case NL80211_CMD_SET_PMKSA: | |
7098 | rdev_ops = rdev->ops->set_pmksa; | |
7099 | break; | |
7100 | case NL80211_CMD_DEL_PMKSA: | |
7101 | rdev_ops = rdev->ops->del_pmksa; | |
7102 | break; | |
7103 | default: | |
7104 | WARN_ON(1); | |
7105 | break; | |
7106 | } | |
7107 | ||
4c476991 JB |
7108 | if (!rdev_ops) |
7109 | return -EOPNOTSUPP; | |
67fbb16b | 7110 | |
4c476991 | 7111 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7112 | } |
7113 | ||
7114 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7115 | { | |
4c476991 JB |
7116 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7117 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7118 | |
074ac8df | 7119 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7120 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7121 | return -EOPNOTSUPP; | |
67fbb16b | 7122 | |
4c476991 JB |
7123 | if (!rdev->ops->flush_pmksa) |
7124 | return -EOPNOTSUPP; | |
67fbb16b | 7125 | |
e35e4d28 | 7126 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7127 | } |
7128 | ||
109086ce AN |
7129 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7130 | { | |
7131 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7132 | struct net_device *dev = info->user_ptr[1]; | |
7133 | u8 action_code, dialog_token; | |
7134 | u16 status_code; | |
7135 | u8 *peer; | |
7136 | ||
7137 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7138 | !rdev->ops->tdls_mgmt) | |
7139 | return -EOPNOTSUPP; | |
7140 | ||
7141 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7142 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7143 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7144 | !info->attrs[NL80211_ATTR_IE] || | |
7145 | !info->attrs[NL80211_ATTR_MAC]) | |
7146 | return -EINVAL; | |
7147 | ||
7148 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7149 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7150 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7151 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
7152 | ||
e35e4d28 HG |
7153 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
7154 | dialog_token, status_code, | |
7155 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
7156 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7157 | } |
7158 | ||
7159 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7160 | { | |
7161 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7162 | struct net_device *dev = info->user_ptr[1]; | |
7163 | enum nl80211_tdls_operation operation; | |
7164 | u8 *peer; | |
7165 | ||
7166 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7167 | !rdev->ops->tdls_oper) | |
7168 | return -EOPNOTSUPP; | |
7169 | ||
7170 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7171 | !info->attrs[NL80211_ATTR_MAC]) | |
7172 | return -EINVAL; | |
7173 | ||
7174 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7175 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7176 | ||
e35e4d28 | 7177 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7178 | } |
7179 | ||
9588bbd5 JM |
7180 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7181 | struct genl_info *info) | |
7182 | { | |
4c476991 | 7183 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7184 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7185 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7186 | struct sk_buff *msg; |
7187 | void *hdr; | |
7188 | u64 cookie; | |
683b6d3b | 7189 | u32 duration; |
9588bbd5 JM |
7190 | int err; |
7191 | ||
7192 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7193 | !info->attrs[NL80211_ATTR_DURATION]) | |
7194 | return -EINVAL; | |
7195 | ||
7196 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7197 | ||
ebf348fc JB |
7198 | if (!rdev->ops->remain_on_channel || |
7199 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7200 | return -EOPNOTSUPP; | |
7201 | ||
9588bbd5 | 7202 | /* |
ebf348fc JB |
7203 | * We should be on that channel for at least a minimum amount of |
7204 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7205 | */ |
ebf348fc | 7206 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7207 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7208 | return -EINVAL; |
7209 | ||
683b6d3b JB |
7210 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7211 | if (err) | |
7212 | return err; | |
9588bbd5 JM |
7213 | |
7214 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7215 | if (!msg) |
7216 | return -ENOMEM; | |
9588bbd5 | 7217 | |
15e47304 | 7218 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7219 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7220 | if (!hdr) { |
7221 | err = -ENOBUFS; | |
9588bbd5 JM |
7222 | goto free_msg; |
7223 | } | |
7224 | ||
683b6d3b JB |
7225 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7226 | duration, &cookie); | |
9588bbd5 JM |
7227 | |
7228 | if (err) | |
7229 | goto free_msg; | |
7230 | ||
9360ffd1 DM |
7231 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7232 | goto nla_put_failure; | |
9588bbd5 JM |
7233 | |
7234 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7235 | |
7236 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7237 | |
7238 | nla_put_failure: | |
7239 | err = -ENOBUFS; | |
7240 | free_msg: | |
7241 | nlmsg_free(msg); | |
9588bbd5 JM |
7242 | return err; |
7243 | } | |
7244 | ||
7245 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7246 | struct genl_info *info) | |
7247 | { | |
4c476991 | 7248 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7249 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7250 | u64 cookie; |
9588bbd5 JM |
7251 | |
7252 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7253 | return -EINVAL; | |
7254 | ||
4c476991 JB |
7255 | if (!rdev->ops->cancel_remain_on_channel) |
7256 | return -EOPNOTSUPP; | |
9588bbd5 | 7257 | |
9588bbd5 JM |
7258 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7259 | ||
e35e4d28 | 7260 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7261 | } |
7262 | ||
13ae75b1 JM |
7263 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7264 | u8 *rates, u8 rates_len) | |
7265 | { | |
7266 | u8 i; | |
7267 | u32 mask = 0; | |
7268 | ||
7269 | for (i = 0; i < rates_len; i++) { | |
7270 | int rate = (rates[i] & 0x7f) * 5; | |
7271 | int ridx; | |
7272 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7273 | struct ieee80211_rate *srate = | |
7274 | &sband->bitrates[ridx]; | |
7275 | if (rate == srate->bitrate) { | |
7276 | mask |= 1 << ridx; | |
7277 | break; | |
7278 | } | |
7279 | } | |
7280 | if (ridx == sband->n_bitrates) | |
7281 | return 0; /* rate not found */ | |
7282 | } | |
7283 | ||
7284 | return mask; | |
7285 | } | |
7286 | ||
24db78c0 SW |
7287 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7288 | u8 *rates, u8 rates_len, | |
7289 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7290 | { | |
7291 | u8 i; | |
7292 | ||
7293 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7294 | ||
7295 | for (i = 0; i < rates_len; i++) { | |
7296 | int ridx, rbit; | |
7297 | ||
7298 | ridx = rates[i] / 8; | |
7299 | rbit = BIT(rates[i] % 8); | |
7300 | ||
7301 | /* check validity */ | |
910570b5 | 7302 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7303 | return false; |
7304 | ||
7305 | /* check availability */ | |
7306 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7307 | mcs[ridx] |= rbit; | |
7308 | else | |
7309 | return false; | |
7310 | } | |
7311 | ||
7312 | return true; | |
7313 | } | |
7314 | ||
b54452b0 | 7315 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7316 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7317 | .len = NL80211_MAX_SUPP_RATES }, | |
24db78c0 SW |
7318 | [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, |
7319 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
13ae75b1 JM |
7320 | }; |
7321 | ||
7322 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7323 | struct genl_info *info) | |
7324 | { | |
7325 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7326 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7327 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7328 | int rem, i; |
7329 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7330 | struct nlattr *tx_rates; |
7331 | struct ieee80211_supported_band *sband; | |
7332 | ||
7333 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
7334 | return -EINVAL; | |
7335 | ||
4c476991 JB |
7336 | if (!rdev->ops->set_bitrate_mask) |
7337 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7338 | |
7339 | memset(&mask, 0, sizeof(mask)); | |
7340 | /* Default to all rates enabled */ | |
7341 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7342 | sband = rdev->wiphy.bands[i]; | |
7343 | mask.control[i].legacy = | |
7344 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
24db78c0 SW |
7345 | if (sband) |
7346 | memcpy(mask.control[i].mcs, | |
7347 | sband->ht_cap.mcs.rx_mask, | |
7348 | sizeof(mask.control[i].mcs)); | |
7349 | else | |
7350 | memset(mask.control[i].mcs, 0, | |
7351 | sizeof(mask.control[i].mcs)); | |
13ae75b1 JM |
7352 | } |
7353 | ||
7354 | /* | |
7355 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7356 | * directly to the enum ieee80211_band values used in cfg80211. | |
7357 | */ | |
24db78c0 | 7358 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
13ae75b1 JM |
7359 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
7360 | { | |
7361 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
7362 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7363 | return -EINVAL; | |
13ae75b1 | 7364 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7365 | if (sband == NULL) |
7366 | return -EINVAL; | |
13ae75b1 JM |
7367 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7368 | nla_len(tx_rates), nl80211_txattr_policy); | |
7369 | if (tb[NL80211_TXRATE_LEGACY]) { | |
7370 | mask.control[band].legacy = rateset_to_mask( | |
7371 | sband, | |
7372 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7373 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7374 | if ((mask.control[band].legacy == 0) && |
7375 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7376 | return -EINVAL; | |
24db78c0 SW |
7377 | } |
7378 | if (tb[NL80211_TXRATE_MCS]) { | |
7379 | if (!ht_rateset_to_mask( | |
7380 | sband, | |
7381 | nla_data(tb[NL80211_TXRATE_MCS]), | |
7382 | nla_len(tb[NL80211_TXRATE_MCS]), | |
7383 | mask.control[band].mcs)) | |
7384 | return -EINVAL; | |
7385 | } | |
7386 | ||
7387 | if (mask.control[band].legacy == 0) { | |
7388 | /* don't allow empty legacy rates if HT | |
7389 | * is not even supported. */ | |
7390 | if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) | |
7391 | return -EINVAL; | |
7392 | ||
7393 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
7394 | if (mask.control[band].mcs[i]) | |
7395 | break; | |
7396 | ||
7397 | /* legacy and mcs rates may not be both empty */ | |
7398 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
4c476991 | 7399 | return -EINVAL; |
13ae75b1 JM |
7400 | } |
7401 | } | |
7402 | ||
e35e4d28 | 7403 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7404 | } |
7405 | ||
2e161f78 | 7406 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7407 | { |
4c476991 | 7408 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7409 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7410 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7411 | |
7412 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7413 | return -EINVAL; | |
7414 | ||
2e161f78 JB |
7415 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7416 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7417 | |
71bbc994 JB |
7418 | switch (wdev->iftype) { |
7419 | case NL80211_IFTYPE_STATION: | |
7420 | case NL80211_IFTYPE_ADHOC: | |
7421 | case NL80211_IFTYPE_P2P_CLIENT: | |
7422 | case NL80211_IFTYPE_AP: | |
7423 | case NL80211_IFTYPE_AP_VLAN: | |
7424 | case NL80211_IFTYPE_MESH_POINT: | |
7425 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7426 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7427 | break; |
7428 | default: | |
4c476991 | 7429 | return -EOPNOTSUPP; |
71bbc994 | 7430 | } |
026331c4 JM |
7431 | |
7432 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7433 | if (!rdev->ops->mgmt_tx) |
7434 | return -EOPNOTSUPP; | |
026331c4 | 7435 | |
15e47304 | 7436 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7437 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7438 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7439 | } |
7440 | ||
2e161f78 | 7441 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7442 | { |
4c476991 | 7443 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7444 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7445 | struct cfg80211_chan_def chandef; |
026331c4 | 7446 | int err; |
d64d373f | 7447 | void *hdr = NULL; |
026331c4 | 7448 | u64 cookie; |
e247bd90 | 7449 | struct sk_buff *msg = NULL; |
f7ca38df | 7450 | unsigned int wait = 0; |
e247bd90 JB |
7451 | bool offchan, no_cck, dont_wait_for_ack; |
7452 | ||
7453 | dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; | |
026331c4 | 7454 | |
683b6d3b | 7455 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7456 | return -EINVAL; |
7457 | ||
4c476991 JB |
7458 | if (!rdev->ops->mgmt_tx) |
7459 | return -EOPNOTSUPP; | |
026331c4 | 7460 | |
71bbc994 | 7461 | switch (wdev->iftype) { |
ea141b75 AQ |
7462 | case NL80211_IFTYPE_P2P_DEVICE: |
7463 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7464 | return -EINVAL; | |
71bbc994 JB |
7465 | case NL80211_IFTYPE_STATION: |
7466 | case NL80211_IFTYPE_ADHOC: | |
7467 | case NL80211_IFTYPE_P2P_CLIENT: | |
7468 | case NL80211_IFTYPE_AP: | |
7469 | case NL80211_IFTYPE_AP_VLAN: | |
7470 | case NL80211_IFTYPE_MESH_POINT: | |
7471 | case NL80211_IFTYPE_P2P_GO: | |
7472 | break; | |
7473 | default: | |
4c476991 | 7474 | return -EOPNOTSUPP; |
71bbc994 | 7475 | } |
026331c4 | 7476 | |
f7ca38df | 7477 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7478 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df JB |
7479 | return -EINVAL; |
7480 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
ebf348fc JB |
7481 | |
7482 | /* | |
7483 | * We should wait on the channel for at least a minimum amount | |
7484 | * of time (10ms) but no longer than the driver supports. | |
7485 | */ | |
7486 | if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || | |
7487 | wait > rdev->wiphy.max_remain_on_channel_duration) | |
7488 | return -EINVAL; | |
7489 | ||
f7ca38df JB |
7490 | } |
7491 | ||
f7ca38df JB |
7492 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
7493 | ||
7c4ef712 JB |
7494 | if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7495 | return -EINVAL; | |
7496 | ||
e9f935e3 RM |
7497 | no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
7498 | ||
ea141b75 AQ |
7499 | /* get the channel if any has been specified, otherwise pass NULL to |
7500 | * the driver. The latter will use the current one | |
7501 | */ | |
7502 | chandef.chan = NULL; | |
7503 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
7504 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
7505 | if (err) | |
7506 | return err; | |
7507 | } | |
7508 | ||
7509 | if (!chandef.chan && offchan) | |
7510 | return -EINVAL; | |
026331c4 | 7511 | |
e247bd90 JB |
7512 | if (!dont_wait_for_ack) { |
7513 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
7514 | if (!msg) | |
7515 | return -ENOMEM; | |
026331c4 | 7516 | |
15e47304 | 7517 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7518 | NL80211_CMD_FRAME); |
cb35fba3 DC |
7519 | if (!hdr) { |
7520 | err = -ENOBUFS; | |
e247bd90 JB |
7521 | goto free_msg; |
7522 | } | |
026331c4 | 7523 | } |
e247bd90 | 7524 | |
683b6d3b | 7525 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait, |
2e161f78 JB |
7526 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
7527 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
e247bd90 | 7528 | no_cck, dont_wait_for_ack, &cookie); |
026331c4 JM |
7529 | if (err) |
7530 | goto free_msg; | |
7531 | ||
e247bd90 | 7532 | if (msg) { |
9360ffd1 DM |
7533 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7534 | goto nla_put_failure; | |
026331c4 | 7535 | |
e247bd90 JB |
7536 | genlmsg_end(msg, hdr); |
7537 | return genlmsg_reply(msg, info); | |
7538 | } | |
7539 | ||
7540 | return 0; | |
026331c4 JM |
7541 | |
7542 | nla_put_failure: | |
7543 | err = -ENOBUFS; | |
7544 | free_msg: | |
7545 | nlmsg_free(msg); | |
026331c4 JM |
7546 | return err; |
7547 | } | |
7548 | ||
f7ca38df JB |
7549 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7550 | { | |
7551 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7552 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7553 | u64 cookie; |
7554 | ||
7555 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7556 | return -EINVAL; | |
7557 | ||
7558 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7559 | return -EOPNOTSUPP; | |
7560 | ||
71bbc994 JB |
7561 | switch (wdev->iftype) { |
7562 | case NL80211_IFTYPE_STATION: | |
7563 | case NL80211_IFTYPE_ADHOC: | |
7564 | case NL80211_IFTYPE_P2P_CLIENT: | |
7565 | case NL80211_IFTYPE_AP: | |
7566 | case NL80211_IFTYPE_AP_VLAN: | |
7567 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7568 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7569 | break; |
7570 | default: | |
f7ca38df | 7571 | return -EOPNOTSUPP; |
71bbc994 | 7572 | } |
f7ca38df JB |
7573 | |
7574 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7575 | ||
e35e4d28 | 7576 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7577 | } |
7578 | ||
ffb9eb3d KV |
7579 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7580 | { | |
4c476991 | 7581 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7582 | struct wireless_dev *wdev; |
4c476991 | 7583 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7584 | u8 ps_state; |
7585 | bool state; | |
7586 | int err; | |
7587 | ||
4c476991 JB |
7588 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7589 | return -EINVAL; | |
ffb9eb3d KV |
7590 | |
7591 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7592 | ||
4c476991 JB |
7593 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7594 | return -EINVAL; | |
ffb9eb3d KV |
7595 | |
7596 | wdev = dev->ieee80211_ptr; | |
7597 | ||
4c476991 JB |
7598 | if (!rdev->ops->set_power_mgmt) |
7599 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7600 | |
7601 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7602 | ||
7603 | if (state == wdev->ps) | |
4c476991 | 7604 | return 0; |
ffb9eb3d | 7605 | |
e35e4d28 | 7606 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7607 | if (!err) |
7608 | wdev->ps = state; | |
ffb9eb3d KV |
7609 | return err; |
7610 | } | |
7611 | ||
7612 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7613 | { | |
4c476991 | 7614 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7615 | enum nl80211_ps_state ps_state; |
7616 | struct wireless_dev *wdev; | |
4c476991 | 7617 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7618 | struct sk_buff *msg; |
7619 | void *hdr; | |
7620 | int err; | |
7621 | ||
ffb9eb3d KV |
7622 | wdev = dev->ieee80211_ptr; |
7623 | ||
4c476991 JB |
7624 | if (!rdev->ops->set_power_mgmt) |
7625 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7626 | |
7627 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7628 | if (!msg) |
7629 | return -ENOMEM; | |
ffb9eb3d | 7630 | |
15e47304 | 7631 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
7632 | NL80211_CMD_GET_POWER_SAVE); |
7633 | if (!hdr) { | |
4c476991 | 7634 | err = -ENOBUFS; |
ffb9eb3d KV |
7635 | goto free_msg; |
7636 | } | |
7637 | ||
7638 | if (wdev->ps) | |
7639 | ps_state = NL80211_PS_ENABLED; | |
7640 | else | |
7641 | ps_state = NL80211_PS_DISABLED; | |
7642 | ||
9360ffd1 DM |
7643 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
7644 | goto nla_put_failure; | |
ffb9eb3d KV |
7645 | |
7646 | genlmsg_end(msg, hdr); | |
4c476991 | 7647 | return genlmsg_reply(msg, info); |
ffb9eb3d | 7648 | |
4c476991 | 7649 | nla_put_failure: |
ffb9eb3d | 7650 | err = -ENOBUFS; |
4c476991 | 7651 | free_msg: |
ffb9eb3d | 7652 | nlmsg_free(msg); |
ffb9eb3d KV |
7653 | return err; |
7654 | } | |
7655 | ||
d6dc1a38 JO |
7656 | static struct nla_policy |
7657 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
7658 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
7659 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
7660 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
7661 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
7662 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
7663 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
7664 | }; |
7665 | ||
84f10708 | 7666 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 7667 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
7668 | { |
7669 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 7670 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7671 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 7672 | |
d9d8b019 | 7673 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
7674 | return -EINVAL; |
7675 | ||
84f10708 TP |
7676 | if (!rdev->ops->set_cqm_txe_config) |
7677 | return -EOPNOTSUPP; | |
7678 | ||
7679 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
7680 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
7681 | return -EOPNOTSUPP; | |
7682 | ||
e35e4d28 | 7683 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
7684 | } |
7685 | ||
d6dc1a38 JO |
7686 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
7687 | s32 threshold, u32 hysteresis) | |
7688 | { | |
4c476991 | 7689 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 7690 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7691 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
7692 | |
7693 | if (threshold > 0) | |
7694 | return -EINVAL; | |
7695 | ||
1da5fcc8 JB |
7696 | /* disabling - hysteresis should also be zero then */ |
7697 | if (threshold == 0) | |
7698 | hysteresis = 0; | |
d6dc1a38 | 7699 | |
4c476991 JB |
7700 | if (!rdev->ops->set_cqm_rssi_config) |
7701 | return -EOPNOTSUPP; | |
d6dc1a38 | 7702 | |
074ac8df | 7703 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7704 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7705 | return -EOPNOTSUPP; | |
d6dc1a38 | 7706 | |
e35e4d28 | 7707 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
7708 | } |
7709 | ||
7710 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
7711 | { | |
7712 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
7713 | struct nlattr *cqm; | |
7714 | int err; | |
7715 | ||
7716 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
7717 | if (!cqm) |
7718 | return -EINVAL; | |
d6dc1a38 JO |
7719 | |
7720 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
7721 | nl80211_attr_cqm_policy); | |
7722 | if (err) | |
1da5fcc8 | 7723 | return err; |
d6dc1a38 JO |
7724 | |
7725 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
7726 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
7727 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
7728 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 7729 | |
1da5fcc8 JB |
7730 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
7731 | } | |
7732 | ||
7733 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
7734 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
7735 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
7736 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
7737 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
7738 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
7739 | ||
7740 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
7741 | } | |
7742 | ||
7743 | return -EINVAL; | |
d6dc1a38 JO |
7744 | } |
7745 | ||
29cbe68c JB |
7746 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
7747 | { | |
7748 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7749 | struct net_device *dev = info->user_ptr[1]; | |
7750 | struct mesh_config cfg; | |
c80d545d | 7751 | struct mesh_setup setup; |
29cbe68c JB |
7752 | int err; |
7753 | ||
7754 | /* start with default */ | |
7755 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 7756 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 7757 | |
24bdd9f4 | 7758 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 7759 | /* and parse parameters if given */ |
24bdd9f4 | 7760 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
7761 | if (err) |
7762 | return err; | |
7763 | } | |
7764 | ||
7765 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
7766 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
7767 | return -EINVAL; | |
7768 | ||
c80d545d JC |
7769 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
7770 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
7771 | ||
4bb62344 CYY |
7772 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7773 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
7774 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7775 | return -EINVAL; | |
7776 | ||
9bdbf04d MP |
7777 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
7778 | setup.beacon_interval = | |
7779 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7780 | if (setup.beacon_interval < 10 || | |
7781 | setup.beacon_interval > 10000) | |
7782 | return -EINVAL; | |
7783 | } | |
7784 | ||
7785 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
7786 | setup.dtim_period = | |
7787 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
7788 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
7789 | return -EINVAL; | |
7790 | } | |
7791 | ||
c80d545d JC |
7792 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
7793 | /* parse additional setup parameters if given */ | |
7794 | err = nl80211_parse_mesh_setup(info, &setup); | |
7795 | if (err) | |
7796 | return err; | |
7797 | } | |
7798 | ||
d37bb18a TP |
7799 | if (setup.user_mpm) |
7800 | cfg.auto_open_plinks = false; | |
7801 | ||
cc1d2806 | 7802 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
7803 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
7804 | if (err) | |
7805 | return err; | |
cc1d2806 JB |
7806 | } else { |
7807 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 7808 | setup.chandef.chan = NULL; |
cc1d2806 JB |
7809 | } |
7810 | ||
ffb3cf30 AN |
7811 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7812 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7813 | int n_rates = | |
7814 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7815 | struct ieee80211_supported_band *sband; | |
7816 | ||
7817 | if (!setup.chandef.chan) | |
7818 | return -EINVAL; | |
7819 | ||
7820 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
7821 | ||
7822 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
7823 | &setup.basic_rates); | |
7824 | if (err) | |
7825 | return err; | |
7826 | } | |
7827 | ||
c80d545d | 7828 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
7829 | } |
7830 | ||
7831 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
7832 | { | |
7833 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7834 | struct net_device *dev = info->user_ptr[1]; | |
7835 | ||
7836 | return cfg80211_leave_mesh(rdev, dev); | |
7837 | } | |
7838 | ||
dfb89c56 | 7839 | #ifdef CONFIG_PM |
bb92d199 AK |
7840 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
7841 | struct cfg80211_registered_device *rdev) | |
7842 | { | |
6abb9cb9 | 7843 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
7844 | struct nlattr *nl_pats, *nl_pat; |
7845 | int i, pat_len; | |
7846 | ||
6abb9cb9 | 7847 | if (!wowlan->n_patterns) |
bb92d199 AK |
7848 | return 0; |
7849 | ||
7850 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
7851 | if (!nl_pats) | |
7852 | return -ENOBUFS; | |
7853 | ||
6abb9cb9 | 7854 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
7855 | nl_pat = nla_nest_start(msg, i + 1); |
7856 | if (!nl_pat) | |
7857 | return -ENOBUFS; | |
6abb9cb9 | 7858 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 7859 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 7860 | wowlan->patterns[i].mask) || |
50ac6607 AK |
7861 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
7862 | wowlan->patterns[i].pattern) || | |
7863 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 7864 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
7865 | return -ENOBUFS; |
7866 | nla_nest_end(msg, nl_pat); | |
7867 | } | |
7868 | nla_nest_end(msg, nl_pats); | |
7869 | ||
7870 | return 0; | |
7871 | } | |
7872 | ||
2a0e047e JB |
7873 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
7874 | struct cfg80211_wowlan_tcp *tcp) | |
7875 | { | |
7876 | struct nlattr *nl_tcp; | |
7877 | ||
7878 | if (!tcp) | |
7879 | return 0; | |
7880 | ||
7881 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
7882 | if (!nl_tcp) | |
7883 | return -ENOBUFS; | |
7884 | ||
7885 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
7886 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
7887 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
7888 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
7889 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
7890 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
7891 | tcp->payload_len, tcp->payload) || | |
7892 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
7893 | tcp->data_interval) || | |
7894 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
7895 | tcp->wake_len, tcp->wake_data) || | |
7896 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
7897 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
7898 | return -ENOBUFS; | |
7899 | ||
7900 | if (tcp->payload_seq.len && | |
7901 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
7902 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
7903 | return -ENOBUFS; | |
7904 | ||
7905 | if (tcp->payload_tok.len && | |
7906 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
7907 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
7908 | &tcp->payload_tok)) | |
7909 | return -ENOBUFS; | |
7910 | ||
e248ad30 JB |
7911 | nla_nest_end(msg, nl_tcp); |
7912 | ||
2a0e047e JB |
7913 | return 0; |
7914 | } | |
7915 | ||
ff1b6e69 JB |
7916 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
7917 | { | |
7918 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7919 | struct sk_buff *msg; | |
7920 | void *hdr; | |
2a0e047e | 7921 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 7922 | |
964dc9e2 | 7923 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
7924 | return -EOPNOTSUPP; |
7925 | ||
6abb9cb9 | 7926 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 7927 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
7928 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
7929 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
7930 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
7931 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
7932 | } |
7933 | ||
7934 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
7935 | if (!msg) |
7936 | return -ENOMEM; | |
7937 | ||
15e47304 | 7938 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
7939 | NL80211_CMD_GET_WOWLAN); |
7940 | if (!hdr) | |
7941 | goto nla_put_failure; | |
7942 | ||
6abb9cb9 | 7943 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
7944 | struct nlattr *nl_wowlan; |
7945 | ||
7946 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7947 | if (!nl_wowlan) | |
7948 | goto nla_put_failure; | |
7949 | ||
6abb9cb9 | 7950 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 7951 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 7952 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 7953 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 7954 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 7955 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 7956 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 7957 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 7958 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 7959 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 7960 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 7961 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 7962 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
7963 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
7964 | goto nla_put_failure; | |
2a0e047e | 7965 | |
bb92d199 AK |
7966 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
7967 | goto nla_put_failure; | |
2a0e047e | 7968 | |
6abb9cb9 JB |
7969 | if (nl80211_send_wowlan_tcp(msg, |
7970 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
7971 | goto nla_put_failure; |
7972 | ||
ff1b6e69 JB |
7973 | nla_nest_end(msg, nl_wowlan); |
7974 | } | |
7975 | ||
7976 | genlmsg_end(msg, hdr); | |
7977 | return genlmsg_reply(msg, info); | |
7978 | ||
7979 | nla_put_failure: | |
7980 | nlmsg_free(msg); | |
7981 | return -ENOBUFS; | |
7982 | } | |
7983 | ||
2a0e047e JB |
7984 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
7985 | struct nlattr *attr, | |
7986 | struct cfg80211_wowlan *trig) | |
7987 | { | |
7988 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
7989 | struct cfg80211_wowlan_tcp *cfg; | |
7990 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
7991 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
7992 | u32 size; | |
7993 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
7994 | int err, port; | |
7995 | ||
964dc9e2 | 7996 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
7997 | return -EINVAL; |
7998 | ||
7999 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
8000 | nla_data(attr), nla_len(attr), | |
8001 | nl80211_wowlan_tcp_policy); | |
8002 | if (err) | |
8003 | return err; | |
8004 | ||
8005 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8006 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8007 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8008 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8009 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8010 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8011 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8012 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8013 | return -EINVAL; | |
8014 | ||
8015 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8016 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8017 | return -EINVAL; |
8018 | ||
8019 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8020 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8021 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8022 | return -EINVAL; |
8023 | ||
8024 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8025 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8026 | return -EINVAL; |
8027 | ||
8028 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8029 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8030 | return -EINVAL; | |
8031 | ||
8032 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8033 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8034 | ||
8035 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8036 | tokens_size = tokln - sizeof(*tok); | |
8037 | ||
8038 | if (!tok->len || tokens_size % tok->len) | |
8039 | return -EINVAL; | |
964dc9e2 | 8040 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8041 | return -EINVAL; |
964dc9e2 | 8042 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8043 | return -EINVAL; |
964dc9e2 | 8044 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8045 | return -EINVAL; |
964dc9e2 | 8046 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8047 | return -EINVAL; |
8048 | if (tok->offset + tok->len > data_size) | |
8049 | return -EINVAL; | |
8050 | } | |
8051 | ||
8052 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8053 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8054 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8055 | return -EINVAL; |
8056 | if (seq->len == 0 || seq->len > 4) | |
8057 | return -EINVAL; | |
8058 | if (seq->len + seq->offset > data_size) | |
8059 | return -EINVAL; | |
8060 | } | |
8061 | ||
8062 | size = sizeof(*cfg); | |
8063 | size += data_size; | |
8064 | size += wake_size + wake_mask_size; | |
8065 | size += tokens_size; | |
8066 | ||
8067 | cfg = kzalloc(size, GFP_KERNEL); | |
8068 | if (!cfg) | |
8069 | return -ENOMEM; | |
8070 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8071 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8072 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8073 | ETH_ALEN); | |
8074 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8075 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8076 | else | |
8077 | port = 0; | |
8078 | #ifdef CONFIG_INET | |
8079 | /* allocate a socket and port for it and use it */ | |
8080 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8081 | IPPROTO_TCP, &cfg->sock, 1); | |
8082 | if (err) { | |
8083 | kfree(cfg); | |
8084 | return err; | |
8085 | } | |
8086 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8087 | sock_release(cfg->sock); | |
8088 | kfree(cfg); | |
8089 | return -EADDRINUSE; | |
8090 | } | |
8091 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8092 | #else | |
8093 | if (!port) { | |
8094 | kfree(cfg); | |
8095 | return -EINVAL; | |
8096 | } | |
8097 | cfg->src_port = port; | |
8098 | #endif | |
8099 | ||
8100 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8101 | cfg->payload_len = data_size; | |
8102 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8103 | memcpy((void *)cfg->payload, | |
8104 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8105 | data_size); | |
8106 | if (seq) | |
8107 | cfg->payload_seq = *seq; | |
8108 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8109 | cfg->wake_len = wake_size; | |
8110 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8111 | memcpy((void *)cfg->wake_data, | |
8112 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8113 | wake_size); | |
8114 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8115 | data_size + wake_size; | |
8116 | memcpy((void *)cfg->wake_mask, | |
8117 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8118 | wake_mask_size); | |
8119 | if (tok) { | |
8120 | cfg->tokens_size = tokens_size; | |
8121 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8122 | } | |
8123 | ||
8124 | trig->tcp = cfg; | |
8125 | ||
8126 | return 0; | |
8127 | } | |
8128 | ||
ff1b6e69 JB |
8129 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8130 | { | |
8131 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8132 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8133 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8134 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8135 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8136 | int err, i; |
6abb9cb9 | 8137 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8138 | |
964dc9e2 | 8139 | if (!wowlan) |
ff1b6e69 JB |
8140 | return -EOPNOTSUPP; |
8141 | ||
ae33bd81 JB |
8142 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8143 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8144 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8145 | goto set_wakeup; |
8146 | } | |
ff1b6e69 JB |
8147 | |
8148 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8149 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8150 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8151 | nl80211_wowlan_policy); | |
8152 | if (err) | |
8153 | return err; | |
8154 | ||
8155 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8156 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8157 | return -EINVAL; | |
8158 | new_triggers.any = true; | |
8159 | } | |
8160 | ||
8161 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8162 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8163 | return -EINVAL; | |
8164 | new_triggers.disconnect = true; | |
8165 | } | |
8166 | ||
8167 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8168 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8169 | return -EINVAL; | |
8170 | new_triggers.magic_pkt = true; | |
8171 | } | |
8172 | ||
77dbbb13 JB |
8173 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8174 | return -EINVAL; | |
8175 | ||
8176 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8177 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8178 | return -EINVAL; | |
8179 | new_triggers.gtk_rekey_failure = true; | |
8180 | } | |
8181 | ||
8182 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8183 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8184 | return -EINVAL; | |
8185 | new_triggers.eap_identity_req = true; | |
8186 | } | |
8187 | ||
8188 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8189 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8190 | return -EINVAL; | |
8191 | new_triggers.four_way_handshake = true; | |
8192 | } | |
8193 | ||
8194 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8195 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8196 | return -EINVAL; | |
8197 | new_triggers.rfkill_release = true; | |
8198 | } | |
8199 | ||
ff1b6e69 JB |
8200 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8201 | struct nlattr *pat; | |
8202 | int n_patterns = 0; | |
bb92d199 | 8203 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8204 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8205 | |
8206 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8207 | rem) | |
8208 | n_patterns++; | |
8209 | if (n_patterns > wowlan->n_patterns) | |
8210 | return -EINVAL; | |
8211 | ||
8212 | new_triggers.patterns = kcalloc(n_patterns, | |
8213 | sizeof(new_triggers.patterns[0]), | |
8214 | GFP_KERNEL); | |
8215 | if (!new_triggers.patterns) | |
8216 | return -ENOMEM; | |
8217 | ||
8218 | new_triggers.n_patterns = n_patterns; | |
8219 | i = 0; | |
8220 | ||
8221 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8222 | rem) { | |
50ac6607 AK |
8223 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8224 | nla_len(pat), NULL); | |
ff1b6e69 | 8225 | err = -EINVAL; |
50ac6607 AK |
8226 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8227 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8228 | goto error; |
50ac6607 | 8229 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8230 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8231 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8232 | goto error; |
8233 | if (pat_len > wowlan->pattern_max_len || | |
8234 | pat_len < wowlan->pattern_min_len) | |
8235 | goto error; | |
8236 | ||
50ac6607 | 8237 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8238 | pkt_offset = 0; |
8239 | else | |
8240 | pkt_offset = nla_get_u32( | |
50ac6607 | 8241 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8242 | if (pkt_offset > wowlan->max_pkt_offset) |
8243 | goto error; | |
8244 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8245 | ||
ff1b6e69 JB |
8246 | new_triggers.patterns[i].mask = |
8247 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8248 | if (!new_triggers.patterns[i].mask) { | |
8249 | err = -ENOMEM; | |
8250 | goto error; | |
8251 | } | |
8252 | new_triggers.patterns[i].pattern = | |
8253 | new_triggers.patterns[i].mask + mask_len; | |
8254 | memcpy(new_triggers.patterns[i].mask, | |
50ac6607 | 8255 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), |
ff1b6e69 JB |
8256 | mask_len); |
8257 | new_triggers.patterns[i].pattern_len = pat_len; | |
8258 | memcpy(new_triggers.patterns[i].pattern, | |
50ac6607 | 8259 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8260 | pat_len); |
8261 | i++; | |
8262 | } | |
8263 | } | |
8264 | ||
2a0e047e JB |
8265 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8266 | err = nl80211_parse_wowlan_tcp( | |
8267 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8268 | &new_triggers); | |
8269 | if (err) | |
8270 | goto error; | |
8271 | } | |
8272 | ||
ae33bd81 JB |
8273 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
8274 | if (!ntrig) { | |
8275 | err = -ENOMEM; | |
8276 | goto error; | |
ff1b6e69 | 8277 | } |
ae33bd81 | 8278 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 8279 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 8280 | |
ae33bd81 | 8281 | set_wakeup: |
6abb9cb9 JB |
8282 | if (rdev->ops->set_wakeup && |
8283 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
8284 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 8285 | |
ff1b6e69 JB |
8286 | return 0; |
8287 | error: | |
8288 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8289 | kfree(new_triggers.patterns[i].mask); | |
8290 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8291 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8292 | sock_release(new_triggers.tcp->sock); | |
8293 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8294 | return err; |
8295 | } | |
dfb89c56 | 8296 | #endif |
ff1b6e69 | 8297 | |
be29b99a AK |
8298 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
8299 | struct cfg80211_registered_device *rdev) | |
8300 | { | |
8301 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
8302 | int i, j, pat_len; | |
8303 | struct cfg80211_coalesce_rules *rule; | |
8304 | ||
8305 | if (!rdev->coalesce->n_rules) | |
8306 | return 0; | |
8307 | ||
8308 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
8309 | if (!nl_rules) | |
8310 | return -ENOBUFS; | |
8311 | ||
8312 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
8313 | nl_rule = nla_nest_start(msg, i + 1); | |
8314 | if (!nl_rule) | |
8315 | return -ENOBUFS; | |
8316 | ||
8317 | rule = &rdev->coalesce->rules[i]; | |
8318 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
8319 | rule->delay)) | |
8320 | return -ENOBUFS; | |
8321 | ||
8322 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
8323 | rule->condition)) | |
8324 | return -ENOBUFS; | |
8325 | ||
8326 | nl_pats = nla_nest_start(msg, | |
8327 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
8328 | if (!nl_pats) | |
8329 | return -ENOBUFS; | |
8330 | ||
8331 | for (j = 0; j < rule->n_patterns; j++) { | |
8332 | nl_pat = nla_nest_start(msg, j + 1); | |
8333 | if (!nl_pat) | |
8334 | return -ENOBUFS; | |
8335 | pat_len = rule->patterns[j].pattern_len; | |
8336 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
8337 | DIV_ROUND_UP(pat_len, 8), | |
8338 | rule->patterns[j].mask) || | |
8339 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
8340 | rule->patterns[j].pattern) || | |
8341 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
8342 | rule->patterns[j].pkt_offset)) | |
8343 | return -ENOBUFS; | |
8344 | nla_nest_end(msg, nl_pat); | |
8345 | } | |
8346 | nla_nest_end(msg, nl_pats); | |
8347 | nla_nest_end(msg, nl_rule); | |
8348 | } | |
8349 | nla_nest_end(msg, nl_rules); | |
8350 | ||
8351 | return 0; | |
8352 | } | |
8353 | ||
8354 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8355 | { | |
8356 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8357 | struct sk_buff *msg; | |
8358 | void *hdr; | |
8359 | ||
8360 | if (!rdev->wiphy.coalesce) | |
8361 | return -EOPNOTSUPP; | |
8362 | ||
8363 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8364 | if (!msg) | |
8365 | return -ENOMEM; | |
8366 | ||
8367 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8368 | NL80211_CMD_GET_COALESCE); | |
8369 | if (!hdr) | |
8370 | goto nla_put_failure; | |
8371 | ||
8372 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
8373 | goto nla_put_failure; | |
8374 | ||
8375 | genlmsg_end(msg, hdr); | |
8376 | return genlmsg_reply(msg, info); | |
8377 | ||
8378 | nla_put_failure: | |
8379 | nlmsg_free(msg); | |
8380 | return -ENOBUFS; | |
8381 | } | |
8382 | ||
8383 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
8384 | { | |
8385 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
8386 | int i, j; | |
8387 | struct cfg80211_coalesce_rules *rule; | |
8388 | ||
8389 | if (!coalesce) | |
8390 | return; | |
8391 | ||
8392 | for (i = 0; i < coalesce->n_rules; i++) { | |
8393 | rule = &coalesce->rules[i]; | |
8394 | for (j = 0; j < rule->n_patterns; j++) | |
8395 | kfree(rule->patterns[j].mask); | |
8396 | kfree(rule->patterns); | |
8397 | } | |
8398 | kfree(coalesce->rules); | |
8399 | kfree(coalesce); | |
8400 | rdev->coalesce = NULL; | |
8401 | } | |
8402 | ||
8403 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
8404 | struct nlattr *rule, | |
8405 | struct cfg80211_coalesce_rules *new_rule) | |
8406 | { | |
8407 | int err, i; | |
8408 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8409 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
8410 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
8411 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
8412 | ||
8413 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
8414 | nla_len(rule), nl80211_coalesce_policy); | |
8415 | if (err) | |
8416 | return err; | |
8417 | ||
8418 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
8419 | new_rule->delay = | |
8420 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
8421 | if (new_rule->delay > coalesce->max_delay) | |
8422 | return -EINVAL; | |
8423 | ||
8424 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
8425 | new_rule->condition = | |
8426 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
8427 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
8428 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
8429 | return -EINVAL; | |
8430 | ||
8431 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
8432 | return -EINVAL; | |
8433 | ||
8434 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8435 | rem) | |
8436 | n_patterns++; | |
8437 | if (n_patterns > coalesce->n_patterns) | |
8438 | return -EINVAL; | |
8439 | ||
8440 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
8441 | GFP_KERNEL); | |
8442 | if (!new_rule->patterns) | |
8443 | return -ENOMEM; | |
8444 | ||
8445 | new_rule->n_patterns = n_patterns; | |
8446 | i = 0; | |
8447 | ||
8448 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8449 | rem) { | |
8450 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), | |
8451 | nla_len(pat), NULL); | |
8452 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
8453 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
8454 | return -EINVAL; | |
8455 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
8456 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
8457 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
8458 | return -EINVAL; | |
8459 | if (pat_len > coalesce->pattern_max_len || | |
8460 | pat_len < coalesce->pattern_min_len) | |
8461 | return -EINVAL; | |
8462 | ||
8463 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
8464 | pkt_offset = 0; | |
8465 | else | |
8466 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
8467 | if (pkt_offset > coalesce->max_pkt_offset) | |
8468 | return -EINVAL; | |
8469 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
8470 | ||
8471 | new_rule->patterns[i].mask = | |
8472 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8473 | if (!new_rule->patterns[i].mask) | |
8474 | return -ENOMEM; | |
8475 | new_rule->patterns[i].pattern = | |
8476 | new_rule->patterns[i].mask + mask_len; | |
8477 | memcpy(new_rule->patterns[i].mask, | |
8478 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len); | |
8479 | new_rule->patterns[i].pattern_len = pat_len; | |
8480 | memcpy(new_rule->patterns[i].pattern, | |
8481 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len); | |
8482 | i++; | |
8483 | } | |
8484 | ||
8485 | return 0; | |
8486 | } | |
8487 | ||
8488 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8489 | { | |
8490 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8491 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8492 | struct cfg80211_coalesce new_coalesce = {}; | |
8493 | struct cfg80211_coalesce *n_coalesce; | |
8494 | int err, rem_rule, n_rules = 0, i, j; | |
8495 | struct nlattr *rule; | |
8496 | struct cfg80211_coalesce_rules *tmp_rule; | |
8497 | ||
8498 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
8499 | return -EOPNOTSUPP; | |
8500 | ||
8501 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
8502 | cfg80211_rdev_free_coalesce(rdev); | |
8503 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
8504 | return 0; | |
8505 | } | |
8506 | ||
8507 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8508 | rem_rule) | |
8509 | n_rules++; | |
8510 | if (n_rules > coalesce->n_rules) | |
8511 | return -EINVAL; | |
8512 | ||
8513 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
8514 | GFP_KERNEL); | |
8515 | if (!new_coalesce.rules) | |
8516 | return -ENOMEM; | |
8517 | ||
8518 | new_coalesce.n_rules = n_rules; | |
8519 | i = 0; | |
8520 | ||
8521 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8522 | rem_rule) { | |
8523 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
8524 | &new_coalesce.rules[i]); | |
8525 | if (err) | |
8526 | goto error; | |
8527 | ||
8528 | i++; | |
8529 | } | |
8530 | ||
8531 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
8532 | if (err) | |
8533 | goto error; | |
8534 | ||
8535 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
8536 | if (!n_coalesce) { | |
8537 | err = -ENOMEM; | |
8538 | goto error; | |
8539 | } | |
8540 | cfg80211_rdev_free_coalesce(rdev); | |
8541 | rdev->coalesce = n_coalesce; | |
8542 | ||
8543 | return 0; | |
8544 | error: | |
8545 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
8546 | tmp_rule = &new_coalesce.rules[i]; | |
8547 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
8548 | kfree(tmp_rule->patterns[j].mask); | |
8549 | kfree(tmp_rule->patterns); | |
8550 | } | |
8551 | kfree(new_coalesce.rules); | |
8552 | ||
8553 | return err; | |
8554 | } | |
8555 | ||
e5497d76 JB |
8556 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8557 | { | |
8558 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8559 | struct net_device *dev = info->user_ptr[1]; | |
8560 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8561 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8562 | struct cfg80211_gtk_rekey_data rekey_data; | |
8563 | int err; | |
8564 | ||
8565 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8566 | return -EINVAL; | |
8567 | ||
8568 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8569 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8570 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8571 | nl80211_rekey_policy); | |
8572 | if (err) | |
8573 | return err; | |
8574 | ||
8575 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8576 | return -ERANGE; | |
8577 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8578 | return -ERANGE; | |
8579 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8580 | return -ERANGE; | |
8581 | ||
8582 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
8583 | NL80211_KEK_LEN); | |
8584 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
8585 | NL80211_KCK_LEN); | |
8586 | memcpy(rekey_data.replay_ctr, | |
8587 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
8588 | NL80211_REPLAY_CTR_LEN); | |
8589 | ||
8590 | wdev_lock(wdev); | |
8591 | if (!wdev->current_bss) { | |
8592 | err = -ENOTCONN; | |
8593 | goto out; | |
8594 | } | |
8595 | ||
8596 | if (!rdev->ops->set_rekey_data) { | |
8597 | err = -EOPNOTSUPP; | |
8598 | goto out; | |
8599 | } | |
8600 | ||
e35e4d28 | 8601 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8602 | out: |
8603 | wdev_unlock(wdev); | |
8604 | return err; | |
8605 | } | |
8606 | ||
28946da7 JB |
8607 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8608 | struct genl_info *info) | |
8609 | { | |
8610 | struct net_device *dev = info->user_ptr[1]; | |
8611 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8612 | ||
8613 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8614 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8615 | return -EINVAL; | |
8616 | ||
15e47304 | 8617 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
8618 | return -EBUSY; |
8619 | ||
15e47304 | 8620 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
8621 | return 0; |
8622 | } | |
8623 | ||
7f6cf311 JB |
8624 | static int nl80211_probe_client(struct sk_buff *skb, |
8625 | struct genl_info *info) | |
8626 | { | |
8627 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8628 | struct net_device *dev = info->user_ptr[1]; | |
8629 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8630 | struct sk_buff *msg; | |
8631 | void *hdr; | |
8632 | const u8 *addr; | |
8633 | u64 cookie; | |
8634 | int err; | |
8635 | ||
8636 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8637 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8638 | return -EOPNOTSUPP; | |
8639 | ||
8640 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8641 | return -EINVAL; | |
8642 | ||
8643 | if (!rdev->ops->probe_client) | |
8644 | return -EOPNOTSUPP; | |
8645 | ||
8646 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8647 | if (!msg) | |
8648 | return -ENOMEM; | |
8649 | ||
15e47304 | 8650 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 8651 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
8652 | if (!hdr) { |
8653 | err = -ENOBUFS; | |
7f6cf311 JB |
8654 | goto free_msg; |
8655 | } | |
8656 | ||
8657 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8658 | ||
e35e4d28 | 8659 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
8660 | if (err) |
8661 | goto free_msg; | |
8662 | ||
9360ffd1 DM |
8663 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8664 | goto nla_put_failure; | |
7f6cf311 JB |
8665 | |
8666 | genlmsg_end(msg, hdr); | |
8667 | ||
8668 | return genlmsg_reply(msg, info); | |
8669 | ||
8670 | nla_put_failure: | |
8671 | err = -ENOBUFS; | |
8672 | free_msg: | |
8673 | nlmsg_free(msg); | |
8674 | return err; | |
8675 | } | |
8676 | ||
5e760230 JB |
8677 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
8678 | { | |
8679 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
8680 | struct cfg80211_beacon_registration *reg, *nreg; |
8681 | int rv; | |
5e760230 JB |
8682 | |
8683 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
8684 | return -EOPNOTSUPP; | |
8685 | ||
37c73b5f BG |
8686 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
8687 | if (!nreg) | |
8688 | return -ENOMEM; | |
8689 | ||
8690 | /* First, check if already registered. */ | |
8691 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
8692 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
8693 | if (reg->nlportid == info->snd_portid) { | |
8694 | rv = -EALREADY; | |
8695 | goto out_err; | |
8696 | } | |
8697 | } | |
8698 | /* Add it to the list */ | |
8699 | nreg->nlportid = info->snd_portid; | |
8700 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 8701 | |
37c73b5f | 8702 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
8703 | |
8704 | return 0; | |
37c73b5f BG |
8705 | out_err: |
8706 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
8707 | kfree(nreg); | |
8708 | return rv; | |
5e760230 JB |
8709 | } |
8710 | ||
98104fde JB |
8711 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
8712 | { | |
8713 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8714 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8715 | int err; | |
8716 | ||
8717 | if (!rdev->ops->start_p2p_device) | |
8718 | return -EOPNOTSUPP; | |
8719 | ||
8720 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8721 | return -EOPNOTSUPP; | |
8722 | ||
8723 | if (wdev->p2p_started) | |
8724 | return 0; | |
8725 | ||
98104fde | 8726 | err = cfg80211_can_add_interface(rdev, wdev->iftype); |
98104fde JB |
8727 | if (err) |
8728 | return err; | |
8729 | ||
eeb126e9 | 8730 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
8731 | if (err) |
8732 | return err; | |
8733 | ||
8734 | wdev->p2p_started = true; | |
98104fde | 8735 | rdev->opencount++; |
98104fde JB |
8736 | |
8737 | return 0; | |
8738 | } | |
8739 | ||
8740 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
8741 | { | |
8742 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8743 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8744 | ||
8745 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8746 | return -EOPNOTSUPP; | |
8747 | ||
8748 | if (!rdev->ops->stop_p2p_device) | |
8749 | return -EOPNOTSUPP; | |
8750 | ||
f9f47529 | 8751 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
8752 | |
8753 | return 0; | |
8754 | } | |
8755 | ||
3713b4e3 JB |
8756 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
8757 | struct genl_info *info) | |
8758 | { | |
8759 | void *hdr; | |
8760 | struct sk_buff *msg; | |
8761 | ||
8762 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8763 | if (!msg) | |
8764 | return -ENOMEM; | |
8765 | ||
8766 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8767 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
8768 | if (!hdr) | |
8769 | goto nla_put_failure; | |
8770 | ||
8771 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
8772 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
8773 | goto nla_put_failure; | |
8774 | ||
8775 | genlmsg_end(msg, hdr); | |
8776 | return genlmsg_reply(msg, info); | |
8777 | ||
8778 | nla_put_failure: | |
8779 | kfree_skb(msg); | |
8780 | return -ENOBUFS; | |
8781 | } | |
8782 | ||
355199e0 JM |
8783 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
8784 | { | |
8785 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8786 | struct cfg80211_update_ft_ies_params ft_params; | |
8787 | struct net_device *dev = info->user_ptr[1]; | |
8788 | ||
8789 | if (!rdev->ops->update_ft_ies) | |
8790 | return -EOPNOTSUPP; | |
8791 | ||
8792 | if (!info->attrs[NL80211_ATTR_MDID] || | |
8793 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8794 | return -EINVAL; | |
8795 | ||
8796 | memset(&ft_params, 0, sizeof(ft_params)); | |
8797 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
8798 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8799 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8800 | ||
8801 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
8802 | } | |
8803 | ||
5de17984 AS |
8804 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
8805 | struct genl_info *info) | |
8806 | { | |
8807 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8808 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8809 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
8810 | u16 duration; | |
8811 | int ret; | |
8812 | ||
8813 | if (!rdev->ops->crit_proto_start) | |
8814 | return -EOPNOTSUPP; | |
8815 | ||
8816 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
8817 | return -EINVAL; | |
8818 | ||
8819 | if (rdev->crit_proto_nlportid) | |
8820 | return -EBUSY; | |
8821 | ||
8822 | /* determine protocol if provided */ | |
8823 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
8824 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
8825 | ||
8826 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
8827 | return -EINVAL; | |
8828 | ||
8829 | /* timeout must be provided */ | |
8830 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
8831 | return -EINVAL; | |
8832 | ||
8833 | duration = | |
8834 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
8835 | ||
8836 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
8837 | return -ERANGE; | |
8838 | ||
8839 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
8840 | if (!ret) | |
8841 | rdev->crit_proto_nlportid = info->snd_portid; | |
8842 | ||
8843 | return ret; | |
8844 | } | |
8845 | ||
8846 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
8847 | struct genl_info *info) | |
8848 | { | |
8849 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8850 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8851 | ||
8852 | if (!rdev->ops->crit_proto_stop) | |
8853 | return -EOPNOTSUPP; | |
8854 | ||
8855 | if (rdev->crit_proto_nlportid) { | |
8856 | rdev->crit_proto_nlportid = 0; | |
8857 | rdev_crit_proto_stop(rdev, wdev); | |
8858 | } | |
8859 | return 0; | |
8860 | } | |
8861 | ||
4c476991 JB |
8862 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
8863 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
8864 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
8865 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
8866 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
8867 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 8868 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 8869 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
8870 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
8871 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 | 8872 | |
f84f771d | 8873 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
8874 | struct genl_info *info) |
8875 | { | |
8876 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 8877 | struct wireless_dev *wdev; |
4c476991 | 8878 | struct net_device *dev; |
4c476991 JB |
8879 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
8880 | ||
8881 | if (rtnl) | |
8882 | rtnl_lock(); | |
8883 | ||
8884 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 8885 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
8886 | if (IS_ERR(rdev)) { |
8887 | if (rtnl) | |
8888 | rtnl_unlock(); | |
8889 | return PTR_ERR(rdev); | |
8890 | } | |
8891 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
8892 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
8893 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
8894 | ASSERT_RTNL(); |
8895 | ||
89a54e48 JB |
8896 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
8897 | info->attrs); | |
8898 | if (IS_ERR(wdev)) { | |
4c476991 JB |
8899 | if (rtnl) |
8900 | rtnl_unlock(); | |
89a54e48 | 8901 | return PTR_ERR(wdev); |
4c476991 | 8902 | } |
89a54e48 | 8903 | |
89a54e48 JB |
8904 | dev = wdev->netdev; |
8905 | rdev = wiphy_to_dev(wdev->wiphy); | |
8906 | ||
1bf614ef JB |
8907 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
8908 | if (!dev) { | |
1bf614ef JB |
8909 | if (rtnl) |
8910 | rtnl_unlock(); | |
8911 | return -EINVAL; | |
8912 | } | |
8913 | ||
8914 | info->user_ptr[1] = dev; | |
8915 | } else { | |
8916 | info->user_ptr[1] = wdev; | |
41265714 | 8917 | } |
1bf614ef JB |
8918 | |
8919 | if (dev) { | |
8920 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
8921 | !netif_running(dev)) { | |
1bf614ef JB |
8922 | if (rtnl) |
8923 | rtnl_unlock(); | |
8924 | return -ENETDOWN; | |
8925 | } | |
8926 | ||
8927 | dev_hold(dev); | |
98104fde JB |
8928 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
8929 | if (!wdev->p2p_started) { | |
98104fde JB |
8930 | if (rtnl) |
8931 | rtnl_unlock(); | |
8932 | return -ENETDOWN; | |
8933 | } | |
41265714 | 8934 | } |
89a54e48 | 8935 | |
4c476991 | 8936 | info->user_ptr[0] = rdev; |
4c476991 JB |
8937 | } |
8938 | ||
8939 | return 0; | |
8940 | } | |
8941 | ||
f84f771d | 8942 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
8943 | struct genl_info *info) |
8944 | { | |
1bf614ef JB |
8945 | if (info->user_ptr[1]) { |
8946 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
8947 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8948 | ||
8949 | if (wdev->netdev) | |
8950 | dev_put(wdev->netdev); | |
8951 | } else { | |
8952 | dev_put(info->user_ptr[1]); | |
8953 | } | |
8954 | } | |
4c476991 JB |
8955 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
8956 | rtnl_unlock(); | |
8957 | } | |
8958 | ||
4534de83 | 8959 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
8960 | { |
8961 | .cmd = NL80211_CMD_GET_WIPHY, | |
8962 | .doit = nl80211_get_wiphy, | |
8963 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 8964 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
8965 | .policy = nl80211_policy, |
8966 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
8967 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8968 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8969 | }, |
8970 | { | |
8971 | .cmd = NL80211_CMD_SET_WIPHY, | |
8972 | .doit = nl80211_set_wiphy, | |
8973 | .policy = nl80211_policy, | |
8974 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 8975 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
8976 | }, |
8977 | { | |
8978 | .cmd = NL80211_CMD_GET_INTERFACE, | |
8979 | .doit = nl80211_get_interface, | |
8980 | .dumpit = nl80211_dump_interface, | |
8981 | .policy = nl80211_policy, | |
8982 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
8983 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
8984 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8985 | }, |
8986 | { | |
8987 | .cmd = NL80211_CMD_SET_INTERFACE, | |
8988 | .doit = nl80211_set_interface, | |
8989 | .policy = nl80211_policy, | |
8990 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8991 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8992 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8993 | }, |
8994 | { | |
8995 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
8996 | .doit = nl80211_new_interface, | |
8997 | .policy = nl80211_policy, | |
8998 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8999 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9000 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9001 | }, |
9002 | { | |
9003 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
9004 | .doit = nl80211_del_interface, | |
9005 | .policy = nl80211_policy, | |
41ade00f | 9006 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 9007 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9008 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9009 | }, |
9010 | { | |
9011 | .cmd = NL80211_CMD_GET_KEY, | |
9012 | .doit = nl80211_get_key, | |
9013 | .policy = nl80211_policy, | |
9014 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9015 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9016 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9017 | }, |
9018 | { | |
9019 | .cmd = NL80211_CMD_SET_KEY, | |
9020 | .doit = nl80211_set_key, | |
9021 | .policy = nl80211_policy, | |
9022 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9023 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9024 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9025 | }, |
9026 | { | |
9027 | .cmd = NL80211_CMD_NEW_KEY, | |
9028 | .doit = nl80211_new_key, | |
9029 | .policy = nl80211_policy, | |
9030 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9031 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9032 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9033 | }, |
9034 | { | |
9035 | .cmd = NL80211_CMD_DEL_KEY, | |
9036 | .doit = nl80211_del_key, | |
9037 | .policy = nl80211_policy, | |
55682965 | 9038 | .flags = GENL_ADMIN_PERM, |
41265714 | 9039 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9040 | NL80211_FLAG_NEED_RTNL, |
55682965 | 9041 | }, |
ed1b6cc7 JB |
9042 | { |
9043 | .cmd = NL80211_CMD_SET_BEACON, | |
9044 | .policy = nl80211_policy, | |
9045 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9046 | .doit = nl80211_set_beacon, |
2b5f8b0b | 9047 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9048 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9049 | }, |
9050 | { | |
8860020e | 9051 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
9052 | .policy = nl80211_policy, |
9053 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9054 | .doit = nl80211_start_ap, |
2b5f8b0b | 9055 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9056 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9057 | }, |
9058 | { | |
8860020e | 9059 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
9060 | .policy = nl80211_policy, |
9061 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9062 | .doit = nl80211_stop_ap, |
2b5f8b0b | 9063 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9064 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 9065 | }, |
5727ef1b JB |
9066 | { |
9067 | .cmd = NL80211_CMD_GET_STATION, | |
9068 | .doit = nl80211_get_station, | |
2ec600d6 | 9069 | .dumpit = nl80211_dump_station, |
5727ef1b | 9070 | .policy = nl80211_policy, |
4c476991 JB |
9071 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9072 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
9073 | }, |
9074 | { | |
9075 | .cmd = NL80211_CMD_SET_STATION, | |
9076 | .doit = nl80211_set_station, | |
9077 | .policy = nl80211_policy, | |
9078 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9079 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9080 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9081 | }, |
9082 | { | |
9083 | .cmd = NL80211_CMD_NEW_STATION, | |
9084 | .doit = nl80211_new_station, | |
9085 | .policy = nl80211_policy, | |
9086 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9087 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9088 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9089 | }, |
9090 | { | |
9091 | .cmd = NL80211_CMD_DEL_STATION, | |
9092 | .doit = nl80211_del_station, | |
9093 | .policy = nl80211_policy, | |
2ec600d6 | 9094 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9095 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9096 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9097 | }, |
9098 | { | |
9099 | .cmd = NL80211_CMD_GET_MPATH, | |
9100 | .doit = nl80211_get_mpath, | |
9101 | .dumpit = nl80211_dump_mpath, | |
9102 | .policy = nl80211_policy, | |
9103 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9104 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9105 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9106 | }, |
9107 | { | |
9108 | .cmd = NL80211_CMD_SET_MPATH, | |
9109 | .doit = nl80211_set_mpath, | |
9110 | .policy = nl80211_policy, | |
9111 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9112 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9113 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9114 | }, |
9115 | { | |
9116 | .cmd = NL80211_CMD_NEW_MPATH, | |
9117 | .doit = nl80211_new_mpath, | |
9118 | .policy = nl80211_policy, | |
9119 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9120 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9121 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9122 | }, |
9123 | { | |
9124 | .cmd = NL80211_CMD_DEL_MPATH, | |
9125 | .doit = nl80211_del_mpath, | |
9126 | .policy = nl80211_policy, | |
9f1ba906 | 9127 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9128 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9129 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
9130 | }, |
9131 | { | |
9132 | .cmd = NL80211_CMD_SET_BSS, | |
9133 | .doit = nl80211_set_bss, | |
9134 | .policy = nl80211_policy, | |
b2e1b302 | 9135 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9136 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9137 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 9138 | }, |
f130347c LR |
9139 | { |
9140 | .cmd = NL80211_CMD_GET_REG, | |
9141 | .doit = nl80211_get_reg, | |
9142 | .policy = nl80211_policy, | |
5fe231e8 | 9143 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
9144 | /* can be retrieved by unprivileged users */ |
9145 | }, | |
b2e1b302 LR |
9146 | { |
9147 | .cmd = NL80211_CMD_SET_REG, | |
9148 | .doit = nl80211_set_reg, | |
9149 | .policy = nl80211_policy, | |
9150 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 9151 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
9152 | }, |
9153 | { | |
9154 | .cmd = NL80211_CMD_REQ_SET_REG, | |
9155 | .doit = nl80211_req_set_reg, | |
9156 | .policy = nl80211_policy, | |
93da9cc1 | 9157 | .flags = GENL_ADMIN_PERM, |
9158 | }, | |
9159 | { | |
24bdd9f4 JC |
9160 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
9161 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 9162 | .policy = nl80211_policy, |
9163 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 9164 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9165 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 9166 | }, |
9167 | { | |
24bdd9f4 JC |
9168 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
9169 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 9170 | .policy = nl80211_policy, |
9aed3cc1 | 9171 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 9172 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9173 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 9174 | }, |
2a519311 JB |
9175 | { |
9176 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
9177 | .doit = nl80211_trigger_scan, | |
9178 | .policy = nl80211_policy, | |
9179 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 9180 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9181 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
9182 | }, |
9183 | { | |
9184 | .cmd = NL80211_CMD_GET_SCAN, | |
9185 | .policy = nl80211_policy, | |
9186 | .dumpit = nl80211_dump_scan, | |
9187 | }, | |
807f8a8c LC |
9188 | { |
9189 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
9190 | .doit = nl80211_start_sched_scan, | |
9191 | .policy = nl80211_policy, | |
9192 | .flags = GENL_ADMIN_PERM, | |
9193 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9194 | NL80211_FLAG_NEED_RTNL, | |
9195 | }, | |
9196 | { | |
9197 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
9198 | .doit = nl80211_stop_sched_scan, | |
9199 | .policy = nl80211_policy, | |
9200 | .flags = GENL_ADMIN_PERM, | |
9201 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9202 | NL80211_FLAG_NEED_RTNL, | |
9203 | }, | |
636a5d36 JM |
9204 | { |
9205 | .cmd = NL80211_CMD_AUTHENTICATE, | |
9206 | .doit = nl80211_authenticate, | |
9207 | .policy = nl80211_policy, | |
9208 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9209 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9210 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9211 | }, |
9212 | { | |
9213 | .cmd = NL80211_CMD_ASSOCIATE, | |
9214 | .doit = nl80211_associate, | |
9215 | .policy = nl80211_policy, | |
9216 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9217 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9218 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9219 | }, |
9220 | { | |
9221 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
9222 | .doit = nl80211_deauthenticate, | |
9223 | .policy = nl80211_policy, | |
9224 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9225 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9226 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9227 | }, |
9228 | { | |
9229 | .cmd = NL80211_CMD_DISASSOCIATE, | |
9230 | .doit = nl80211_disassociate, | |
9231 | .policy = nl80211_policy, | |
9232 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9233 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9234 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 9235 | }, |
04a773ad JB |
9236 | { |
9237 | .cmd = NL80211_CMD_JOIN_IBSS, | |
9238 | .doit = nl80211_join_ibss, | |
9239 | .policy = nl80211_policy, | |
9240 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9241 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9242 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
9243 | }, |
9244 | { | |
9245 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
9246 | .doit = nl80211_leave_ibss, | |
9247 | .policy = nl80211_policy, | |
9248 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9249 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9250 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 9251 | }, |
aff89a9b JB |
9252 | #ifdef CONFIG_NL80211_TESTMODE |
9253 | { | |
9254 | .cmd = NL80211_CMD_TESTMODE, | |
9255 | .doit = nl80211_testmode_do, | |
71063f0e | 9256 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
9257 | .policy = nl80211_policy, |
9258 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9259 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9260 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
9261 | }, |
9262 | #endif | |
b23aa676 SO |
9263 | { |
9264 | .cmd = NL80211_CMD_CONNECT, | |
9265 | .doit = nl80211_connect, | |
9266 | .policy = nl80211_policy, | |
9267 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9268 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9269 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
9270 | }, |
9271 | { | |
9272 | .cmd = NL80211_CMD_DISCONNECT, | |
9273 | .doit = nl80211_disconnect, | |
9274 | .policy = nl80211_policy, | |
9275 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9276 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9277 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 9278 | }, |
463d0183 JB |
9279 | { |
9280 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
9281 | .doit = nl80211_wiphy_netns, | |
9282 | .policy = nl80211_policy, | |
9283 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9284 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9285 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 9286 | }, |
61fa713c HS |
9287 | { |
9288 | .cmd = NL80211_CMD_GET_SURVEY, | |
9289 | .policy = nl80211_policy, | |
9290 | .dumpit = nl80211_dump_survey, | |
9291 | }, | |
67fbb16b SO |
9292 | { |
9293 | .cmd = NL80211_CMD_SET_PMKSA, | |
9294 | .doit = nl80211_setdel_pmksa, | |
9295 | .policy = nl80211_policy, | |
9296 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9297 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9298 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9299 | }, |
9300 | { | |
9301 | .cmd = NL80211_CMD_DEL_PMKSA, | |
9302 | .doit = nl80211_setdel_pmksa, | |
9303 | .policy = nl80211_policy, | |
9304 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9305 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9306 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9307 | }, |
9308 | { | |
9309 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
9310 | .doit = nl80211_flush_pmksa, | |
9311 | .policy = nl80211_policy, | |
9312 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9313 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9314 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 9315 | }, |
9588bbd5 JM |
9316 | { |
9317 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
9318 | .doit = nl80211_remain_on_channel, | |
9319 | .policy = nl80211_policy, | |
9320 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9321 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9322 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
9323 | }, |
9324 | { | |
9325 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
9326 | .doit = nl80211_cancel_remain_on_channel, | |
9327 | .policy = nl80211_policy, | |
9328 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9329 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9330 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 9331 | }, |
13ae75b1 JM |
9332 | { |
9333 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
9334 | .doit = nl80211_set_tx_bitrate_mask, | |
9335 | .policy = nl80211_policy, | |
9336 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9337 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9338 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 9339 | }, |
026331c4 | 9340 | { |
2e161f78 JB |
9341 | .cmd = NL80211_CMD_REGISTER_FRAME, |
9342 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
9343 | .policy = nl80211_policy, |
9344 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9345 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9346 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
9347 | }, |
9348 | { | |
2e161f78 JB |
9349 | .cmd = NL80211_CMD_FRAME, |
9350 | .doit = nl80211_tx_mgmt, | |
026331c4 | 9351 | .policy = nl80211_policy, |
f7ca38df | 9352 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9353 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
9354 | NL80211_FLAG_NEED_RTNL, |
9355 | }, | |
9356 | { | |
9357 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
9358 | .doit = nl80211_tx_mgmt_cancel_wait, | |
9359 | .policy = nl80211_policy, | |
026331c4 | 9360 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9361 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9362 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 9363 | }, |
ffb9eb3d KV |
9364 | { |
9365 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
9366 | .doit = nl80211_set_power_save, | |
9367 | .policy = nl80211_policy, | |
9368 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9369 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9370 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
9371 | }, |
9372 | { | |
9373 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
9374 | .doit = nl80211_get_power_save, | |
9375 | .policy = nl80211_policy, | |
9376 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
9377 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9378 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 9379 | }, |
d6dc1a38 JO |
9380 | { |
9381 | .cmd = NL80211_CMD_SET_CQM, | |
9382 | .doit = nl80211_set_cqm, | |
9383 | .policy = nl80211_policy, | |
9384 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9385 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9386 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 9387 | }, |
f444de05 JB |
9388 | { |
9389 | .cmd = NL80211_CMD_SET_CHANNEL, | |
9390 | .doit = nl80211_set_channel, | |
9391 | .policy = nl80211_policy, | |
9392 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9393 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9394 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 9395 | }, |
e8347eba BJ |
9396 | { |
9397 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
9398 | .doit = nl80211_set_wds_peer, | |
9399 | .policy = nl80211_policy, | |
9400 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
9401 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9402 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 9403 | }, |
29cbe68c JB |
9404 | { |
9405 | .cmd = NL80211_CMD_JOIN_MESH, | |
9406 | .doit = nl80211_join_mesh, | |
9407 | .policy = nl80211_policy, | |
9408 | .flags = GENL_ADMIN_PERM, | |
9409 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9410 | NL80211_FLAG_NEED_RTNL, | |
9411 | }, | |
9412 | { | |
9413 | .cmd = NL80211_CMD_LEAVE_MESH, | |
9414 | .doit = nl80211_leave_mesh, | |
9415 | .policy = nl80211_policy, | |
9416 | .flags = GENL_ADMIN_PERM, | |
9417 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9418 | NL80211_FLAG_NEED_RTNL, | |
9419 | }, | |
dfb89c56 | 9420 | #ifdef CONFIG_PM |
ff1b6e69 JB |
9421 | { |
9422 | .cmd = NL80211_CMD_GET_WOWLAN, | |
9423 | .doit = nl80211_get_wowlan, | |
9424 | .policy = nl80211_policy, | |
9425 | /* can be retrieved by unprivileged users */ | |
9426 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9427 | NL80211_FLAG_NEED_RTNL, | |
9428 | }, | |
9429 | { | |
9430 | .cmd = NL80211_CMD_SET_WOWLAN, | |
9431 | .doit = nl80211_set_wowlan, | |
9432 | .policy = nl80211_policy, | |
9433 | .flags = GENL_ADMIN_PERM, | |
9434 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9435 | NL80211_FLAG_NEED_RTNL, | |
9436 | }, | |
dfb89c56 | 9437 | #endif |
e5497d76 JB |
9438 | { |
9439 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
9440 | .doit = nl80211_set_rekey_data, | |
9441 | .policy = nl80211_policy, | |
9442 | .flags = GENL_ADMIN_PERM, | |
9443 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9444 | NL80211_FLAG_NEED_RTNL, | |
9445 | }, | |
109086ce AN |
9446 | { |
9447 | .cmd = NL80211_CMD_TDLS_MGMT, | |
9448 | .doit = nl80211_tdls_mgmt, | |
9449 | .policy = nl80211_policy, | |
9450 | .flags = GENL_ADMIN_PERM, | |
9451 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9452 | NL80211_FLAG_NEED_RTNL, | |
9453 | }, | |
9454 | { | |
9455 | .cmd = NL80211_CMD_TDLS_OPER, | |
9456 | .doit = nl80211_tdls_oper, | |
9457 | .policy = nl80211_policy, | |
9458 | .flags = GENL_ADMIN_PERM, | |
9459 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9460 | NL80211_FLAG_NEED_RTNL, | |
9461 | }, | |
28946da7 JB |
9462 | { |
9463 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
9464 | .doit = nl80211_register_unexpected_frame, | |
9465 | .policy = nl80211_policy, | |
9466 | .flags = GENL_ADMIN_PERM, | |
9467 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9468 | NL80211_FLAG_NEED_RTNL, | |
9469 | }, | |
7f6cf311 JB |
9470 | { |
9471 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
9472 | .doit = nl80211_probe_client, | |
9473 | .policy = nl80211_policy, | |
9474 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9475 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
9476 | NL80211_FLAG_NEED_RTNL, |
9477 | }, | |
5e760230 JB |
9478 | { |
9479 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
9480 | .doit = nl80211_register_beacons, | |
9481 | .policy = nl80211_policy, | |
9482 | .flags = GENL_ADMIN_PERM, | |
9483 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9484 | NL80211_FLAG_NEED_RTNL, | |
9485 | }, | |
1d9d9213 SW |
9486 | { |
9487 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
9488 | .doit = nl80211_set_noack_map, | |
9489 | .policy = nl80211_policy, | |
9490 | .flags = GENL_ADMIN_PERM, | |
9491 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9492 | NL80211_FLAG_NEED_RTNL, | |
9493 | }, | |
98104fde JB |
9494 | { |
9495 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
9496 | .doit = nl80211_start_p2p_device, | |
9497 | .policy = nl80211_policy, | |
9498 | .flags = GENL_ADMIN_PERM, | |
9499 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
9500 | NL80211_FLAG_NEED_RTNL, | |
9501 | }, | |
9502 | { | |
9503 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
9504 | .doit = nl80211_stop_p2p_device, | |
9505 | .policy = nl80211_policy, | |
9506 | .flags = GENL_ADMIN_PERM, | |
9507 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9508 | NL80211_FLAG_NEED_RTNL, | |
9509 | }, | |
f4e583c8 AQ |
9510 | { |
9511 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
9512 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
9513 | .policy = nl80211_policy, |
9514 | .flags = GENL_ADMIN_PERM, | |
9515 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9516 | NL80211_FLAG_NEED_RTNL, | |
9517 | }, | |
9518 | { | |
9519 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
9520 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
9521 | .policy = nl80211_policy, |
9522 | .flags = GENL_ADMIN_PERM, | |
9523 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9524 | NL80211_FLAG_NEED_RTNL, | |
9525 | }, | |
04f39047 SW |
9526 | { |
9527 | .cmd = NL80211_CMD_RADAR_DETECT, | |
9528 | .doit = nl80211_start_radar_detection, | |
9529 | .policy = nl80211_policy, | |
9530 | .flags = GENL_ADMIN_PERM, | |
9531 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9532 | NL80211_FLAG_NEED_RTNL, | |
9533 | }, | |
3713b4e3 JB |
9534 | { |
9535 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
9536 | .doit = nl80211_get_protocol_features, | |
9537 | .policy = nl80211_policy, | |
9538 | }, | |
355199e0 JM |
9539 | { |
9540 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
9541 | .doit = nl80211_update_ft_ies, | |
9542 | .policy = nl80211_policy, | |
9543 | .flags = GENL_ADMIN_PERM, | |
9544 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9545 | NL80211_FLAG_NEED_RTNL, | |
9546 | }, | |
5de17984 AS |
9547 | { |
9548 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
9549 | .doit = nl80211_crit_protocol_start, | |
9550 | .policy = nl80211_policy, | |
9551 | .flags = GENL_ADMIN_PERM, | |
9552 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9553 | NL80211_FLAG_NEED_RTNL, | |
9554 | }, | |
9555 | { | |
9556 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
9557 | .doit = nl80211_crit_protocol_stop, | |
9558 | .policy = nl80211_policy, | |
9559 | .flags = GENL_ADMIN_PERM, | |
9560 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9561 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
9562 | }, |
9563 | { | |
9564 | .cmd = NL80211_CMD_GET_COALESCE, | |
9565 | .doit = nl80211_get_coalesce, | |
9566 | .policy = nl80211_policy, | |
9567 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9568 | NL80211_FLAG_NEED_RTNL, | |
9569 | }, | |
9570 | { | |
9571 | .cmd = NL80211_CMD_SET_COALESCE, | |
9572 | .doit = nl80211_set_coalesce, | |
9573 | .policy = nl80211_policy, | |
9574 | .flags = GENL_ADMIN_PERM, | |
9575 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9576 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
9577 | }, |
9578 | { | |
9579 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
9580 | .doit = nl80211_channel_switch, | |
9581 | .policy = nl80211_policy, | |
9582 | .flags = GENL_ADMIN_PERM, | |
9583 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9584 | NL80211_FLAG_NEED_RTNL, | |
9585 | }, | |
55682965 | 9586 | }; |
9588bbd5 | 9587 | |
55682965 JB |
9588 | /* notification functions */ |
9589 | ||
9590 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
9591 | { | |
9592 | struct sk_buff *msg; | |
86e8cf98 | 9593 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 9594 | |
fd2120ca | 9595 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
9596 | if (!msg) |
9597 | return; | |
9598 | ||
86e8cf98 | 9599 | if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
9600 | nlmsg_free(msg); |
9601 | return; | |
9602 | } | |
9603 | ||
68eb5503 | 9604 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9605 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
9606 | } |
9607 | ||
362a415d JB |
9608 | static int nl80211_add_scan_req(struct sk_buff *msg, |
9609 | struct cfg80211_registered_device *rdev) | |
9610 | { | |
9611 | struct cfg80211_scan_request *req = rdev->scan_req; | |
9612 | struct nlattr *nest; | |
9613 | int i; | |
9614 | ||
9615 | if (WARN_ON(!req)) | |
9616 | return 0; | |
9617 | ||
9618 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
9619 | if (!nest) | |
9620 | goto nla_put_failure; | |
9360ffd1 DM |
9621 | for (i = 0; i < req->n_ssids; i++) { |
9622 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
9623 | goto nla_put_failure; | |
9624 | } | |
362a415d JB |
9625 | nla_nest_end(msg, nest); |
9626 | ||
9627 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
9628 | if (!nest) | |
9629 | goto nla_put_failure; | |
9360ffd1 DM |
9630 | for (i = 0; i < req->n_channels; i++) { |
9631 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9632 | goto nla_put_failure; | |
9633 | } | |
362a415d JB |
9634 | nla_nest_end(msg, nest); |
9635 | ||
9360ffd1 DM |
9636 | if (req->ie && |
9637 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
9638 | goto nla_put_failure; | |
362a415d | 9639 | |
ae917c9f JB |
9640 | if (req->flags && |
9641 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
9642 | goto nla_put_failure; | |
ed473771 | 9643 | |
362a415d JB |
9644 | return 0; |
9645 | nla_put_failure: | |
9646 | return -ENOBUFS; | |
9647 | } | |
9648 | ||
a538e2d5 JB |
9649 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
9650 | struct cfg80211_registered_device *rdev, | |
fd014284 | 9651 | struct wireless_dev *wdev, |
15e47304 | 9652 | u32 portid, u32 seq, int flags, |
a538e2d5 | 9653 | u32 cmd) |
2a519311 JB |
9654 | { |
9655 | void *hdr; | |
9656 | ||
15e47304 | 9657 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
9658 | if (!hdr) |
9659 | return -1; | |
9660 | ||
9360ffd1 | 9661 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
9662 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
9663 | wdev->netdev->ifindex)) || | |
9664 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 9665 | goto nla_put_failure; |
2a519311 | 9666 | |
362a415d JB |
9667 | /* ignore errors and send incomplete event anyway */ |
9668 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
9669 | |
9670 | return genlmsg_end(msg, hdr); | |
9671 | ||
9672 | nla_put_failure: | |
9673 | genlmsg_cancel(msg, hdr); | |
9674 | return -EMSGSIZE; | |
9675 | } | |
9676 | ||
807f8a8c LC |
9677 | static int |
9678 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
9679 | struct cfg80211_registered_device *rdev, | |
9680 | struct net_device *netdev, | |
15e47304 | 9681 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
9682 | { |
9683 | void *hdr; | |
9684 | ||
15e47304 | 9685 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
9686 | if (!hdr) |
9687 | return -1; | |
9688 | ||
9360ffd1 DM |
9689 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9690 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
9691 | goto nla_put_failure; | |
807f8a8c LC |
9692 | |
9693 | return genlmsg_end(msg, hdr); | |
9694 | ||
9695 | nla_put_failure: | |
9696 | genlmsg_cancel(msg, hdr); | |
9697 | return -EMSGSIZE; | |
9698 | } | |
9699 | ||
a538e2d5 | 9700 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 9701 | struct wireless_dev *wdev) |
a538e2d5 JB |
9702 | { |
9703 | struct sk_buff *msg; | |
9704 | ||
58050fce | 9705 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
9706 | if (!msg) |
9707 | return; | |
9708 | ||
fd014284 | 9709 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
9710 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
9711 | nlmsg_free(msg); | |
9712 | return; | |
9713 | } | |
9714 | ||
68eb5503 | 9715 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9716 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
9717 | } |
9718 | ||
2a519311 | 9719 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
fd014284 | 9720 | struct wireless_dev *wdev) |
2a519311 JB |
9721 | { |
9722 | struct sk_buff *msg; | |
9723 | ||
fd2120ca | 9724 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9725 | if (!msg) |
9726 | return; | |
9727 | ||
fd014284 | 9728 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9729 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { |
2a519311 JB |
9730 | nlmsg_free(msg); |
9731 | return; | |
9732 | } | |
9733 | ||
68eb5503 | 9734 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9735 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
9736 | } |
9737 | ||
9738 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
fd014284 | 9739 | struct wireless_dev *wdev) |
2a519311 JB |
9740 | { |
9741 | struct sk_buff *msg; | |
9742 | ||
fd2120ca | 9743 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9744 | if (!msg) |
9745 | return; | |
9746 | ||
fd014284 | 9747 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9748 | NL80211_CMD_SCAN_ABORTED) < 0) { |
2a519311 JB |
9749 | nlmsg_free(msg); |
9750 | return; | |
9751 | } | |
9752 | ||
68eb5503 | 9753 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9754 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
9755 | } |
9756 | ||
807f8a8c LC |
9757 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
9758 | struct net_device *netdev) | |
9759 | { | |
9760 | struct sk_buff *msg; | |
9761 | ||
9762 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9763 | if (!msg) | |
9764 | return; | |
9765 | ||
9766 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
9767 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
9768 | nlmsg_free(msg); | |
9769 | return; | |
9770 | } | |
9771 | ||
68eb5503 | 9772 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9773 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
9774 | } |
9775 | ||
9776 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
9777 | struct net_device *netdev, u32 cmd) | |
9778 | { | |
9779 | struct sk_buff *msg; | |
9780 | ||
58050fce | 9781 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
9782 | if (!msg) |
9783 | return; | |
9784 | ||
9785 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
9786 | nlmsg_free(msg); | |
9787 | return; | |
9788 | } | |
9789 | ||
68eb5503 | 9790 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9791 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
9792 | } |
9793 | ||
73d54c9e LR |
9794 | /* |
9795 | * This can happen on global regulatory changes or device specific settings | |
9796 | * based on custom world regulatory domains. | |
9797 | */ | |
9798 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
9799 | { | |
9800 | struct sk_buff *msg; | |
9801 | void *hdr; | |
9802 | ||
fd2120ca | 9803 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
9804 | if (!msg) |
9805 | return; | |
9806 | ||
9807 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
9808 | if (!hdr) { | |
9809 | nlmsg_free(msg); | |
9810 | return; | |
9811 | } | |
9812 | ||
9813 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
9814 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
9815 | goto nla_put_failure; | |
9816 | ||
9817 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
9818 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9819 | NL80211_REGDOM_TYPE_WORLD)) | |
9820 | goto nla_put_failure; | |
9821 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
9822 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9823 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
9824 | goto nla_put_failure; | |
9825 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
9826 | request->intersect) { | |
9827 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9828 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
9829 | goto nla_put_failure; | |
9830 | } else { | |
9831 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9832 | NL80211_REGDOM_TYPE_COUNTRY) || | |
9833 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
9834 | request->alpha2)) | |
9835 | goto nla_put_failure; | |
9836 | } | |
9837 | ||
f4173766 | 9838 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
9839 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
9840 | goto nla_put_failure; | |
73d54c9e | 9841 | |
3b7b72ee | 9842 | genlmsg_end(msg, hdr); |
73d54c9e | 9843 | |
bc43b28c | 9844 | rcu_read_lock(); |
68eb5503 | 9845 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 9846 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 9847 | rcu_read_unlock(); |
73d54c9e LR |
9848 | |
9849 | return; | |
9850 | ||
9851 | nla_put_failure: | |
9852 | genlmsg_cancel(msg, hdr); | |
9853 | nlmsg_free(msg); | |
9854 | } | |
9855 | ||
6039f6d2 JM |
9856 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
9857 | struct net_device *netdev, | |
9858 | const u8 *buf, size_t len, | |
e6d6e342 | 9859 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
9860 | { |
9861 | struct sk_buff *msg; | |
9862 | void *hdr; | |
9863 | ||
e6d6e342 | 9864 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
9865 | if (!msg) |
9866 | return; | |
9867 | ||
9868 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9869 | if (!hdr) { | |
9870 | nlmsg_free(msg); | |
9871 | return; | |
9872 | } | |
9873 | ||
9360ffd1 DM |
9874 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9875 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9876 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
9877 | goto nla_put_failure; | |
6039f6d2 | 9878 | |
3b7b72ee | 9879 | genlmsg_end(msg, hdr); |
6039f6d2 | 9880 | |
68eb5503 | 9881 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9882 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
9883 | return; |
9884 | ||
9885 | nla_put_failure: | |
9886 | genlmsg_cancel(msg, hdr); | |
9887 | nlmsg_free(msg); | |
9888 | } | |
9889 | ||
9890 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9891 | struct net_device *netdev, const u8 *buf, |
9892 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9893 | { |
9894 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9895 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
9896 | } |
9897 | ||
9898 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
9899 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9900 | size_t len, gfp_t gfp) |
6039f6d2 | 9901 | { |
e6d6e342 JB |
9902 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
9903 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
9904 | } |
9905 | ||
53b46b84 | 9906 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
9907 | struct net_device *netdev, const u8 *buf, |
9908 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9909 | { |
9910 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9911 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
9912 | } |
9913 | ||
53b46b84 JM |
9914 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
9915 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9916 | size_t len, gfp_t gfp) |
6039f6d2 JM |
9917 | { |
9918 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9919 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
9920 | } |
9921 | ||
6ff57cf8 JB |
9922 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
9923 | size_t len) | |
cf4e594e | 9924 | { |
947add36 JB |
9925 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9926 | struct wiphy *wiphy = wdev->wiphy; | |
9927 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6ff57cf8 JB |
9928 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
9929 | u32 cmd; | |
947add36 | 9930 | |
6ff57cf8 JB |
9931 | if (WARN_ON(len < 2)) |
9932 | return; | |
cf4e594e | 9933 | |
6ff57cf8 JB |
9934 | if (ieee80211_is_deauth(mgmt->frame_control)) |
9935 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
9936 | else | |
9937 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 9938 | |
6ff57cf8 JB |
9939 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
9940 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC); | |
cf4e594e | 9941 | } |
6ff57cf8 | 9942 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 9943 | |
1b06bb40 LR |
9944 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
9945 | struct net_device *netdev, int cmd, | |
e6d6e342 | 9946 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
9947 | { |
9948 | struct sk_buff *msg; | |
9949 | void *hdr; | |
9950 | ||
e6d6e342 | 9951 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
9952 | if (!msg) |
9953 | return; | |
9954 | ||
9955 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9956 | if (!hdr) { | |
9957 | nlmsg_free(msg); | |
9958 | return; | |
9959 | } | |
9960 | ||
9360ffd1 DM |
9961 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9962 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9963 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
9964 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
9965 | goto nla_put_failure; | |
1965c853 | 9966 | |
3b7b72ee | 9967 | genlmsg_end(msg, hdr); |
1965c853 | 9968 | |
68eb5503 | 9969 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9970 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
9971 | return; |
9972 | ||
9973 | nla_put_failure: | |
9974 | genlmsg_cancel(msg, hdr); | |
9975 | nlmsg_free(msg); | |
9976 | } | |
9977 | ||
9978 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9979 | struct net_device *netdev, const u8 *addr, |
9980 | gfp_t gfp) | |
1965c853 JM |
9981 | { |
9982 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 9983 | addr, gfp); |
1965c853 JM |
9984 | } |
9985 | ||
9986 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9987 | struct net_device *netdev, const u8 *addr, |
9988 | gfp_t gfp) | |
1965c853 | 9989 | { |
e6d6e342 JB |
9990 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
9991 | addr, gfp); | |
1965c853 JM |
9992 | } |
9993 | ||
b23aa676 SO |
9994 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
9995 | struct net_device *netdev, const u8 *bssid, | |
9996 | const u8 *req_ie, size_t req_ie_len, | |
9997 | const u8 *resp_ie, size_t resp_ie_len, | |
9998 | u16 status, gfp_t gfp) | |
9999 | { | |
10000 | struct sk_buff *msg; | |
10001 | void *hdr; | |
10002 | ||
58050fce | 10003 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10004 | if (!msg) |
10005 | return; | |
10006 | ||
10007 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
10008 | if (!hdr) { | |
10009 | nlmsg_free(msg); | |
10010 | return; | |
10011 | } | |
10012 | ||
9360ffd1 DM |
10013 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10014 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10015 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
10016 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
10017 | (req_ie && | |
10018 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10019 | (resp_ie && | |
10020 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10021 | goto nla_put_failure; | |
b23aa676 | 10022 | |
3b7b72ee | 10023 | genlmsg_end(msg, hdr); |
b23aa676 | 10024 | |
68eb5503 | 10025 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10026 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10027 | return; |
10028 | ||
10029 | nla_put_failure: | |
10030 | genlmsg_cancel(msg, hdr); | |
10031 | nlmsg_free(msg); | |
10032 | ||
10033 | } | |
10034 | ||
10035 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
10036 | struct net_device *netdev, const u8 *bssid, | |
10037 | const u8 *req_ie, size_t req_ie_len, | |
10038 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
10039 | { | |
10040 | struct sk_buff *msg; | |
10041 | void *hdr; | |
10042 | ||
58050fce | 10043 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10044 | if (!msg) |
10045 | return; | |
10046 | ||
10047 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
10048 | if (!hdr) { | |
10049 | nlmsg_free(msg); | |
10050 | return; | |
10051 | } | |
10052 | ||
9360ffd1 DM |
10053 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10054 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10055 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
10056 | (req_ie && | |
10057 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10058 | (resp_ie && | |
10059 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10060 | goto nla_put_failure; | |
b23aa676 | 10061 | |
3b7b72ee | 10062 | genlmsg_end(msg, hdr); |
b23aa676 | 10063 | |
68eb5503 | 10064 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10065 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10066 | return; |
10067 | ||
10068 | nla_put_failure: | |
10069 | genlmsg_cancel(msg, hdr); | |
10070 | nlmsg_free(msg); | |
10071 | ||
10072 | } | |
10073 | ||
10074 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
10075 | struct net_device *netdev, u16 reason, | |
667503dd | 10076 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
10077 | { |
10078 | struct sk_buff *msg; | |
10079 | void *hdr; | |
10080 | ||
58050fce | 10081 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
10082 | if (!msg) |
10083 | return; | |
10084 | ||
10085 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
10086 | if (!hdr) { | |
10087 | nlmsg_free(msg); | |
10088 | return; | |
10089 | } | |
10090 | ||
9360ffd1 DM |
10091 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10092 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10093 | (from_ap && reason && | |
10094 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
10095 | (from_ap && | |
10096 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
10097 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
10098 | goto nla_put_failure; | |
b23aa676 | 10099 | |
3b7b72ee | 10100 | genlmsg_end(msg, hdr); |
b23aa676 | 10101 | |
68eb5503 | 10102 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10103 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
10104 | return; |
10105 | ||
10106 | nla_put_failure: | |
10107 | genlmsg_cancel(msg, hdr); | |
10108 | nlmsg_free(msg); | |
10109 | ||
10110 | } | |
10111 | ||
04a773ad JB |
10112 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
10113 | struct net_device *netdev, const u8 *bssid, | |
10114 | gfp_t gfp) | |
10115 | { | |
10116 | struct sk_buff *msg; | |
10117 | void *hdr; | |
10118 | ||
fd2120ca | 10119 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
10120 | if (!msg) |
10121 | return; | |
10122 | ||
10123 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
10124 | if (!hdr) { | |
10125 | nlmsg_free(msg); | |
10126 | return; | |
10127 | } | |
10128 | ||
9360ffd1 DM |
10129 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10130 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10131 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10132 | goto nla_put_failure; | |
04a773ad | 10133 | |
3b7b72ee | 10134 | genlmsg_end(msg, hdr); |
04a773ad | 10135 | |
68eb5503 | 10136 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10137 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
10138 | return; |
10139 | ||
10140 | nla_put_failure: | |
10141 | genlmsg_cancel(msg, hdr); | |
10142 | nlmsg_free(msg); | |
10143 | } | |
10144 | ||
947add36 JB |
10145 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
10146 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 10147 | { |
947add36 JB |
10148 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10149 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
c93b5e71 JC |
10150 | struct sk_buff *msg; |
10151 | void *hdr; | |
10152 | ||
947add36 JB |
10153 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
10154 | return; | |
10155 | ||
10156 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
10157 | ||
c93b5e71 JC |
10158 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10159 | if (!msg) | |
10160 | return; | |
10161 | ||
10162 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
10163 | if (!hdr) { | |
10164 | nlmsg_free(msg); | |
10165 | return; | |
10166 | } | |
10167 | ||
9360ffd1 | 10168 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
10169 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10170 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
10171 | (ie_len && ie && |
10172 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
10173 | goto nla_put_failure; | |
c93b5e71 | 10174 | |
3b7b72ee | 10175 | genlmsg_end(msg, hdr); |
c93b5e71 | 10176 | |
68eb5503 | 10177 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10178 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
10179 | return; |
10180 | ||
10181 | nla_put_failure: | |
10182 | genlmsg_cancel(msg, hdr); | |
10183 | nlmsg_free(msg); | |
10184 | } | |
947add36 | 10185 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 10186 | |
a3b8b056 JM |
10187 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
10188 | struct net_device *netdev, const u8 *addr, | |
10189 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 10190 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
10191 | { |
10192 | struct sk_buff *msg; | |
10193 | void *hdr; | |
10194 | ||
e6d6e342 | 10195 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
10196 | if (!msg) |
10197 | return; | |
10198 | ||
10199 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
10200 | if (!hdr) { | |
10201 | nlmsg_free(msg); | |
10202 | return; | |
10203 | } | |
10204 | ||
9360ffd1 DM |
10205 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10206 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10207 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
10208 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
10209 | (key_id != -1 && | |
10210 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
10211 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
10212 | goto nla_put_failure; | |
a3b8b056 | 10213 | |
3b7b72ee | 10214 | genlmsg_end(msg, hdr); |
a3b8b056 | 10215 | |
68eb5503 | 10216 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10217 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
10218 | return; |
10219 | ||
10220 | nla_put_failure: | |
10221 | genlmsg_cancel(msg, hdr); | |
10222 | nlmsg_free(msg); | |
10223 | } | |
10224 | ||
6bad8766 LR |
10225 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
10226 | struct ieee80211_channel *channel_before, | |
10227 | struct ieee80211_channel *channel_after) | |
10228 | { | |
10229 | struct sk_buff *msg; | |
10230 | void *hdr; | |
10231 | struct nlattr *nl_freq; | |
10232 | ||
fd2120ca | 10233 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
10234 | if (!msg) |
10235 | return; | |
10236 | ||
10237 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
10238 | if (!hdr) { | |
10239 | nlmsg_free(msg); | |
10240 | return; | |
10241 | } | |
10242 | ||
10243 | /* | |
10244 | * Since we are applying the beacon hint to a wiphy we know its | |
10245 | * wiphy_idx is valid | |
10246 | */ | |
9360ffd1 DM |
10247 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
10248 | goto nla_put_failure; | |
6bad8766 LR |
10249 | |
10250 | /* Before */ | |
10251 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
10252 | if (!nl_freq) | |
10253 | goto nla_put_failure; | |
cdc89b97 | 10254 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
10255 | goto nla_put_failure; |
10256 | nla_nest_end(msg, nl_freq); | |
10257 | ||
10258 | /* After */ | |
10259 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
10260 | if (!nl_freq) | |
10261 | goto nla_put_failure; | |
cdc89b97 | 10262 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
10263 | goto nla_put_failure; |
10264 | nla_nest_end(msg, nl_freq); | |
10265 | ||
3b7b72ee | 10266 | genlmsg_end(msg, hdr); |
6bad8766 | 10267 | |
463d0183 | 10268 | rcu_read_lock(); |
68eb5503 | 10269 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10270 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 10271 | rcu_read_unlock(); |
6bad8766 LR |
10272 | |
10273 | return; | |
10274 | ||
10275 | nla_put_failure: | |
10276 | genlmsg_cancel(msg, hdr); | |
10277 | nlmsg_free(msg); | |
10278 | } | |
10279 | ||
9588bbd5 JM |
10280 | static void nl80211_send_remain_on_chan_event( |
10281 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 10282 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 10283 | struct ieee80211_channel *chan, |
9588bbd5 JM |
10284 | unsigned int duration, gfp_t gfp) |
10285 | { | |
10286 | struct sk_buff *msg; | |
10287 | void *hdr; | |
10288 | ||
10289 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10290 | if (!msg) | |
10291 | return; | |
10292 | ||
10293 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10294 | if (!hdr) { | |
10295 | nlmsg_free(msg); | |
10296 | return; | |
10297 | } | |
10298 | ||
9360ffd1 | 10299 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10300 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10301 | wdev->netdev->ifindex)) || | |
00f53350 | 10302 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 10303 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
10304 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
10305 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
10306 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
10307 | goto nla_put_failure; | |
9588bbd5 | 10308 | |
9360ffd1 DM |
10309 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
10310 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
10311 | goto nla_put_failure; | |
9588bbd5 | 10312 | |
3b7b72ee | 10313 | genlmsg_end(msg, hdr); |
9588bbd5 | 10314 | |
68eb5503 | 10315 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10316 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
10317 | return; |
10318 | ||
10319 | nla_put_failure: | |
10320 | genlmsg_cancel(msg, hdr); | |
10321 | nlmsg_free(msg); | |
10322 | } | |
10323 | ||
947add36 JB |
10324 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
10325 | struct ieee80211_channel *chan, | |
10326 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 10327 | { |
947add36 JB |
10328 | struct wiphy *wiphy = wdev->wiphy; |
10329 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10330 | ||
10331 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 10332 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 10333 | rdev, wdev, cookie, chan, |
42d97a59 | 10334 | duration, gfp); |
9588bbd5 | 10335 | } |
947add36 | 10336 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 10337 | |
947add36 JB |
10338 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
10339 | struct ieee80211_channel *chan, | |
10340 | gfp_t gfp) | |
9588bbd5 | 10341 | { |
947add36 JB |
10342 | struct wiphy *wiphy = wdev->wiphy; |
10343 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10344 | ||
10345 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 10346 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 10347 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 10348 | } |
947add36 | 10349 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 10350 | |
947add36 JB |
10351 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
10352 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 10353 | { |
947add36 JB |
10354 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10355 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
98b62183 JB |
10356 | struct sk_buff *msg; |
10357 | ||
947add36 JB |
10358 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
10359 | ||
58050fce | 10360 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
10361 | if (!msg) |
10362 | return; | |
10363 | ||
66266b3a JL |
10364 | if (nl80211_send_station(msg, 0, 0, 0, |
10365 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
10366 | nlmsg_free(msg); |
10367 | return; | |
10368 | } | |
10369 | ||
68eb5503 | 10370 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10371 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 10372 | } |
947add36 | 10373 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 10374 | |
947add36 | 10375 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 10376 | { |
947add36 JB |
10377 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10378 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ec15e68b JM |
10379 | struct sk_buff *msg; |
10380 | void *hdr; | |
10381 | ||
947add36 JB |
10382 | trace_cfg80211_del_sta(dev, mac_addr); |
10383 | ||
58050fce | 10384 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
10385 | if (!msg) |
10386 | return; | |
10387 | ||
10388 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
10389 | if (!hdr) { | |
10390 | nlmsg_free(msg); | |
10391 | return; | |
10392 | } | |
10393 | ||
9360ffd1 DM |
10394 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10395 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
10396 | goto nla_put_failure; | |
ec15e68b | 10397 | |
3b7b72ee | 10398 | genlmsg_end(msg, hdr); |
ec15e68b | 10399 | |
68eb5503 | 10400 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10401 | NL80211_MCGRP_MLME, gfp); |
ec15e68b JM |
10402 | return; |
10403 | ||
10404 | nla_put_failure: | |
10405 | genlmsg_cancel(msg, hdr); | |
10406 | nlmsg_free(msg); | |
10407 | } | |
947add36 | 10408 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 10409 | |
947add36 JB |
10410 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
10411 | enum nl80211_connect_failed_reason reason, | |
10412 | gfp_t gfp) | |
ed44a951 | 10413 | { |
947add36 JB |
10414 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10415 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ed44a951 PP |
10416 | struct sk_buff *msg; |
10417 | void *hdr; | |
10418 | ||
10419 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10420 | if (!msg) | |
10421 | return; | |
10422 | ||
10423 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
10424 | if (!hdr) { | |
10425 | nlmsg_free(msg); | |
10426 | return; | |
10427 | } | |
10428 | ||
10429 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10430 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
10431 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
10432 | goto nla_put_failure; | |
10433 | ||
10434 | genlmsg_end(msg, hdr); | |
10435 | ||
68eb5503 | 10436 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10437 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
10438 | return; |
10439 | ||
10440 | nla_put_failure: | |
10441 | genlmsg_cancel(msg, hdr); | |
10442 | nlmsg_free(msg); | |
10443 | } | |
947add36 | 10444 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 10445 | |
b92ab5d8 JB |
10446 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
10447 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
10448 | { |
10449 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10450 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10451 | struct sk_buff *msg; | |
10452 | void *hdr; | |
15e47304 | 10453 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 10454 | |
15e47304 | 10455 | if (!nlportid) |
28946da7 JB |
10456 | return false; |
10457 | ||
10458 | msg = nlmsg_new(100, gfp); | |
10459 | if (!msg) | |
10460 | return true; | |
10461 | ||
b92ab5d8 | 10462 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
10463 | if (!hdr) { |
10464 | nlmsg_free(msg); | |
10465 | return true; | |
10466 | } | |
10467 | ||
9360ffd1 DM |
10468 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10469 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10470 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10471 | goto nla_put_failure; | |
28946da7 | 10472 | |
9c90a9f6 | 10473 | genlmsg_end(msg, hdr); |
15e47304 | 10474 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
10475 | return true; |
10476 | ||
10477 | nla_put_failure: | |
10478 | genlmsg_cancel(msg, hdr); | |
10479 | nlmsg_free(msg); | |
10480 | return true; | |
10481 | } | |
10482 | ||
947add36 JB |
10483 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
10484 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10485 | { |
947add36 JB |
10486 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10487 | bool ret; | |
10488 | ||
10489 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
10490 | ||
10491 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10492 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
10493 | trace_cfg80211_return_bool(false); | |
10494 | return false; | |
10495 | } | |
10496 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
10497 | addr, gfp); | |
10498 | trace_cfg80211_return_bool(ret); | |
10499 | return ret; | |
b92ab5d8 | 10500 | } |
947add36 | 10501 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 10502 | |
947add36 JB |
10503 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
10504 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10505 | { |
947add36 JB |
10506 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10507 | bool ret; | |
10508 | ||
10509 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
10510 | ||
10511 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10512 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
10513 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
10514 | trace_cfg80211_return_bool(false); | |
10515 | return false; | |
10516 | } | |
10517 | ret = __nl80211_unexpected_frame(dev, | |
10518 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
10519 | addr, gfp); | |
10520 | trace_cfg80211_return_bool(ret); | |
10521 | return ret; | |
b92ab5d8 | 10522 | } |
947add36 | 10523 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 10524 | |
2e161f78 | 10525 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 10526 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 10527 | int freq, int sig_dbm, |
19504cf5 | 10528 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 10529 | { |
71bbc994 | 10530 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10531 | struct sk_buff *msg; |
10532 | void *hdr; | |
026331c4 JM |
10533 | |
10534 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10535 | if (!msg) | |
10536 | return -ENOMEM; | |
10537 | ||
2e161f78 | 10538 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
10539 | if (!hdr) { |
10540 | nlmsg_free(msg); | |
10541 | return -ENOMEM; | |
10542 | } | |
10543 | ||
9360ffd1 | 10544 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10545 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10546 | netdev->ifindex)) || | |
a838490b | 10547 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10548 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
10549 | (sig_dbm && | |
10550 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
10551 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10552 | (flags && | |
10553 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 10554 | goto nla_put_failure; |
026331c4 | 10555 | |
3b7b72ee | 10556 | genlmsg_end(msg, hdr); |
026331c4 | 10557 | |
15e47304 | 10558 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
10559 | |
10560 | nla_put_failure: | |
10561 | genlmsg_cancel(msg, hdr); | |
10562 | nlmsg_free(msg); | |
10563 | return -ENOBUFS; | |
10564 | } | |
10565 | ||
947add36 JB |
10566 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
10567 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 10568 | { |
947add36 JB |
10569 | struct wiphy *wiphy = wdev->wiphy; |
10570 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
71bbc994 | 10571 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10572 | struct sk_buff *msg; |
10573 | void *hdr; | |
10574 | ||
947add36 JB |
10575 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
10576 | ||
026331c4 JM |
10577 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10578 | if (!msg) | |
10579 | return; | |
10580 | ||
2e161f78 | 10581 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
10582 | if (!hdr) { |
10583 | nlmsg_free(msg); | |
10584 | return; | |
10585 | } | |
10586 | ||
9360ffd1 | 10587 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10588 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10589 | netdev->ifindex)) || | |
a838490b | 10590 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10591 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10592 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10593 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10594 | goto nla_put_failure; | |
026331c4 | 10595 | |
3b7b72ee | 10596 | genlmsg_end(msg, hdr); |
026331c4 | 10597 | |
68eb5503 | 10598 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10599 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
10600 | return; |
10601 | ||
10602 | nla_put_failure: | |
10603 | genlmsg_cancel(msg, hdr); | |
10604 | nlmsg_free(msg); | |
10605 | } | |
947add36 | 10606 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 10607 | |
947add36 JB |
10608 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
10609 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
10610 | gfp_t gfp) | |
d6dc1a38 | 10611 | { |
947add36 JB |
10612 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10613 | struct wiphy *wiphy = wdev->wiphy; | |
10614 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
d6dc1a38 JO |
10615 | struct sk_buff *msg; |
10616 | struct nlattr *pinfoattr; | |
10617 | void *hdr; | |
10618 | ||
947add36 JB |
10619 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
10620 | ||
58050fce | 10621 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
10622 | if (!msg) |
10623 | return; | |
10624 | ||
10625 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10626 | if (!hdr) { | |
10627 | nlmsg_free(msg); | |
10628 | return; | |
10629 | } | |
10630 | ||
9360ffd1 | 10631 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10632 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 10633 | goto nla_put_failure; |
d6dc1a38 JO |
10634 | |
10635 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10636 | if (!pinfoattr) | |
10637 | goto nla_put_failure; | |
10638 | ||
9360ffd1 DM |
10639 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
10640 | rssi_event)) | |
10641 | goto nla_put_failure; | |
d6dc1a38 JO |
10642 | |
10643 | nla_nest_end(msg, pinfoattr); | |
10644 | ||
3b7b72ee | 10645 | genlmsg_end(msg, hdr); |
d6dc1a38 | 10646 | |
68eb5503 | 10647 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10648 | NL80211_MCGRP_MLME, gfp); |
d6dc1a38 JO |
10649 | return; |
10650 | ||
10651 | nla_put_failure: | |
10652 | genlmsg_cancel(msg, hdr); | |
10653 | nlmsg_free(msg); | |
10654 | } | |
947add36 | 10655 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 10656 | |
947add36 JB |
10657 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
10658 | struct net_device *netdev, const u8 *bssid, | |
10659 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
10660 | { |
10661 | struct sk_buff *msg; | |
10662 | struct nlattr *rekey_attr; | |
10663 | void *hdr; | |
10664 | ||
58050fce | 10665 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
10666 | if (!msg) |
10667 | return; | |
10668 | ||
10669 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
10670 | if (!hdr) { | |
10671 | nlmsg_free(msg); | |
10672 | return; | |
10673 | } | |
10674 | ||
9360ffd1 DM |
10675 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10676 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10677 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10678 | goto nla_put_failure; | |
e5497d76 JB |
10679 | |
10680 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
10681 | if (!rekey_attr) | |
10682 | goto nla_put_failure; | |
10683 | ||
9360ffd1 DM |
10684 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
10685 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
10686 | goto nla_put_failure; | |
e5497d76 JB |
10687 | |
10688 | nla_nest_end(msg, rekey_attr); | |
10689 | ||
3b7b72ee | 10690 | genlmsg_end(msg, hdr); |
e5497d76 | 10691 | |
68eb5503 | 10692 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10693 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
10694 | return; |
10695 | ||
10696 | nla_put_failure: | |
10697 | genlmsg_cancel(msg, hdr); | |
10698 | nlmsg_free(msg); | |
10699 | } | |
10700 | ||
947add36 JB |
10701 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
10702 | const u8 *replay_ctr, gfp_t gfp) | |
10703 | { | |
10704 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10705 | struct wiphy *wiphy = wdev->wiphy; | |
10706 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10707 | ||
10708 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
10709 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
10710 | } | |
10711 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
10712 | ||
10713 | static void | |
10714 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
10715 | struct net_device *netdev, int index, | |
10716 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
10717 | { |
10718 | struct sk_buff *msg; | |
10719 | struct nlattr *attr; | |
10720 | void *hdr; | |
10721 | ||
58050fce | 10722 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
10723 | if (!msg) |
10724 | return; | |
10725 | ||
10726 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
10727 | if (!hdr) { | |
10728 | nlmsg_free(msg); | |
10729 | return; | |
10730 | } | |
10731 | ||
9360ffd1 DM |
10732 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10733 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10734 | goto nla_put_failure; | |
c9df56b4 JM |
10735 | |
10736 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
10737 | if (!attr) | |
10738 | goto nla_put_failure; | |
10739 | ||
9360ffd1 DM |
10740 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
10741 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
10742 | (preauth && | |
10743 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
10744 | goto nla_put_failure; | |
c9df56b4 JM |
10745 | |
10746 | nla_nest_end(msg, attr); | |
10747 | ||
3b7b72ee | 10748 | genlmsg_end(msg, hdr); |
c9df56b4 | 10749 | |
68eb5503 | 10750 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10751 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
10752 | return; |
10753 | ||
10754 | nla_put_failure: | |
10755 | genlmsg_cancel(msg, hdr); | |
10756 | nlmsg_free(msg); | |
10757 | } | |
10758 | ||
947add36 JB |
10759 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
10760 | const u8 *bssid, bool preauth, gfp_t gfp) | |
10761 | { | |
10762 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10763 | struct wiphy *wiphy = wdev->wiphy; | |
10764 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10765 | ||
10766 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
10767 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
10768 | } | |
10769 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
10770 | ||
10771 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
10772 | struct net_device *netdev, | |
10773 | struct cfg80211_chan_def *chandef, | |
10774 | gfp_t gfp) | |
5314526b TP |
10775 | { |
10776 | struct sk_buff *msg; | |
10777 | void *hdr; | |
10778 | ||
58050fce | 10779 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
10780 | if (!msg) |
10781 | return; | |
10782 | ||
10783 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
10784 | if (!hdr) { | |
10785 | nlmsg_free(msg); | |
10786 | return; | |
10787 | } | |
10788 | ||
683b6d3b JB |
10789 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
10790 | goto nla_put_failure; | |
10791 | ||
10792 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 10793 | goto nla_put_failure; |
5314526b TP |
10794 | |
10795 | genlmsg_end(msg, hdr); | |
10796 | ||
68eb5503 | 10797 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10798 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
10799 | return; |
10800 | ||
10801 | nla_put_failure: | |
10802 | genlmsg_cancel(msg, hdr); | |
10803 | nlmsg_free(msg); | |
10804 | } | |
10805 | ||
947add36 JB |
10806 | void cfg80211_ch_switch_notify(struct net_device *dev, |
10807 | struct cfg80211_chan_def *chandef) | |
84f10708 | 10808 | { |
947add36 JB |
10809 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10810 | struct wiphy *wiphy = wdev->wiphy; | |
10811 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10812 | ||
10813 | trace_cfg80211_ch_switch_notify(dev, chandef); | |
10814 | ||
10815 | wdev_lock(wdev); | |
10816 | ||
10817 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
ee4bc9e7 | 10818 | wdev->iftype != NL80211_IFTYPE_P2P_GO && |
b8456a14 CYY |
10819 | wdev->iftype != NL80211_IFTYPE_ADHOC && |
10820 | wdev->iftype != NL80211_IFTYPE_MESH_POINT)) | |
947add36 JB |
10821 | goto out; |
10822 | ||
10823 | wdev->channel = chandef->chan; | |
10824 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); | |
10825 | out: | |
10826 | wdev_unlock(wdev); | |
10827 | return; | |
10828 | } | |
10829 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
10830 | ||
10831 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
10832 | const u8 *peer, u32 num_packets, | |
10833 | u32 rate, u32 intvl, gfp_t gfp) | |
10834 | { | |
10835 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10836 | struct wiphy *wiphy = wdev->wiphy; | |
10837 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
84f10708 TP |
10838 | struct sk_buff *msg; |
10839 | struct nlattr *pinfoattr; | |
10840 | void *hdr; | |
10841 | ||
10842 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10843 | if (!msg) | |
10844 | return; | |
10845 | ||
10846 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10847 | if (!hdr) { | |
10848 | nlmsg_free(msg); | |
10849 | return; | |
10850 | } | |
10851 | ||
10852 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 10853 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
10854 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10855 | goto nla_put_failure; | |
10856 | ||
10857 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10858 | if (!pinfoattr) | |
10859 | goto nla_put_failure; | |
10860 | ||
10861 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
10862 | goto nla_put_failure; | |
10863 | ||
10864 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
10865 | goto nla_put_failure; | |
10866 | ||
10867 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
10868 | goto nla_put_failure; | |
10869 | ||
10870 | nla_nest_end(msg, pinfoattr); | |
10871 | ||
10872 | genlmsg_end(msg, hdr); | |
10873 | ||
68eb5503 | 10874 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10875 | NL80211_MCGRP_MLME, gfp); |
84f10708 TP |
10876 | return; |
10877 | ||
10878 | nla_put_failure: | |
10879 | genlmsg_cancel(msg, hdr); | |
10880 | nlmsg_free(msg); | |
10881 | } | |
947add36 | 10882 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 10883 | |
04f39047 SW |
10884 | void |
10885 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
10886 | struct cfg80211_chan_def *chandef, | |
10887 | enum nl80211_radar_event event, | |
10888 | struct net_device *netdev, gfp_t gfp) | |
10889 | { | |
10890 | struct sk_buff *msg; | |
10891 | void *hdr; | |
10892 | ||
10893 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10894 | if (!msg) | |
10895 | return; | |
10896 | ||
10897 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
10898 | if (!hdr) { | |
10899 | nlmsg_free(msg); | |
10900 | return; | |
10901 | } | |
10902 | ||
10903 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
10904 | goto nla_put_failure; | |
10905 | ||
10906 | /* NOP and radar events don't need a netdev parameter */ | |
10907 | if (netdev) { | |
10908 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
10909 | ||
10910 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10911 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
10912 | goto nla_put_failure; | |
10913 | } | |
10914 | ||
10915 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
10916 | goto nla_put_failure; | |
10917 | ||
10918 | if (nl80211_send_chandef(msg, chandef)) | |
10919 | goto nla_put_failure; | |
10920 | ||
9c90a9f6 | 10921 | genlmsg_end(msg, hdr); |
04f39047 | 10922 | |
68eb5503 | 10923 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10924 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
10925 | return; |
10926 | ||
10927 | nla_put_failure: | |
10928 | genlmsg_cancel(msg, hdr); | |
10929 | nlmsg_free(msg); | |
10930 | } | |
10931 | ||
947add36 JB |
10932 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
10933 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 10934 | { |
947add36 JB |
10935 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10936 | struct wiphy *wiphy = wdev->wiphy; | |
10937 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
c063dbf5 JB |
10938 | struct sk_buff *msg; |
10939 | struct nlattr *pinfoattr; | |
10940 | void *hdr; | |
10941 | ||
947add36 JB |
10942 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
10943 | ||
58050fce | 10944 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
10945 | if (!msg) |
10946 | return; | |
10947 | ||
10948 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10949 | if (!hdr) { | |
10950 | nlmsg_free(msg); | |
10951 | return; | |
10952 | } | |
10953 | ||
9360ffd1 | 10954 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10955 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
10956 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10957 | goto nla_put_failure; | |
c063dbf5 JB |
10958 | |
10959 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10960 | if (!pinfoattr) | |
10961 | goto nla_put_failure; | |
10962 | ||
9360ffd1 DM |
10963 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
10964 | goto nla_put_failure; | |
c063dbf5 JB |
10965 | |
10966 | nla_nest_end(msg, pinfoattr); | |
10967 | ||
3b7b72ee | 10968 | genlmsg_end(msg, hdr); |
c063dbf5 | 10969 | |
68eb5503 | 10970 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10971 | NL80211_MCGRP_MLME, gfp); |
c063dbf5 JB |
10972 | return; |
10973 | ||
10974 | nla_put_failure: | |
10975 | genlmsg_cancel(msg, hdr); | |
10976 | nlmsg_free(msg); | |
10977 | } | |
947add36 | 10978 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 10979 | |
7f6cf311 JB |
10980 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
10981 | u64 cookie, bool acked, gfp_t gfp) | |
10982 | { | |
10983 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10984 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10985 | struct sk_buff *msg; | |
10986 | void *hdr; | |
7f6cf311 | 10987 | |
4ee3e063 BL |
10988 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
10989 | ||
58050fce | 10990 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 10991 | |
7f6cf311 JB |
10992 | if (!msg) |
10993 | return; | |
10994 | ||
10995 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
10996 | if (!hdr) { | |
10997 | nlmsg_free(msg); | |
10998 | return; | |
10999 | } | |
11000 | ||
9360ffd1 DM |
11001 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11002 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11003 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
11004 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11005 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11006 | goto nla_put_failure; | |
7f6cf311 | 11007 | |
9c90a9f6 | 11008 | genlmsg_end(msg, hdr); |
7f6cf311 | 11009 | |
68eb5503 | 11010 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11011 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
11012 | return; |
11013 | ||
11014 | nla_put_failure: | |
11015 | genlmsg_cancel(msg, hdr); | |
11016 | nlmsg_free(msg); | |
11017 | } | |
11018 | EXPORT_SYMBOL(cfg80211_probe_status); | |
11019 | ||
5e760230 JB |
11020 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
11021 | const u8 *frame, size_t len, | |
37c73b5f | 11022 | int freq, int sig_dbm) |
5e760230 JB |
11023 | { |
11024 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11025 | struct sk_buff *msg; | |
11026 | void *hdr; | |
37c73b5f | 11027 | struct cfg80211_beacon_registration *reg; |
5e760230 | 11028 | |
4ee3e063 BL |
11029 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
11030 | ||
37c73b5f BG |
11031 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11032 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11033 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
11034 | if (!msg) { | |
11035 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11036 | return; | |
11037 | } | |
5e760230 | 11038 | |
37c73b5f BG |
11039 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
11040 | if (!hdr) | |
11041 | goto nla_put_failure; | |
5e760230 | 11042 | |
37c73b5f BG |
11043 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11044 | (freq && | |
11045 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
11046 | (sig_dbm && | |
11047 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
11048 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
11049 | goto nla_put_failure; | |
5e760230 | 11050 | |
37c73b5f | 11051 | genlmsg_end(msg, hdr); |
5e760230 | 11052 | |
37c73b5f BG |
11053 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
11054 | } | |
11055 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
11056 | return; |
11057 | ||
11058 | nla_put_failure: | |
37c73b5f BG |
11059 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
11060 | if (hdr) | |
11061 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
11062 | nlmsg_free(msg); |
11063 | } | |
11064 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
11065 | ||
cd8f7cb4 JB |
11066 | #ifdef CONFIG_PM |
11067 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
11068 | struct cfg80211_wowlan_wakeup *wakeup, | |
11069 | gfp_t gfp) | |
11070 | { | |
11071 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11072 | struct sk_buff *msg; | |
11073 | void *hdr; | |
9c90a9f6 | 11074 | int size = 200; |
cd8f7cb4 JB |
11075 | |
11076 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
11077 | ||
11078 | if (wakeup) | |
11079 | size += wakeup->packet_present_len; | |
11080 | ||
11081 | msg = nlmsg_new(size, gfp); | |
11082 | if (!msg) | |
11083 | return; | |
11084 | ||
11085 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
11086 | if (!hdr) | |
11087 | goto free_msg; | |
11088 | ||
11089 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11090 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11091 | goto free_msg; | |
11092 | ||
11093 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11094 | wdev->netdev->ifindex)) | |
11095 | goto free_msg; | |
11096 | ||
11097 | if (wakeup) { | |
11098 | struct nlattr *reasons; | |
11099 | ||
11100 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
11101 | if (!reasons) |
11102 | goto free_msg; | |
cd8f7cb4 JB |
11103 | |
11104 | if (wakeup->disconnect && | |
11105 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
11106 | goto free_msg; | |
11107 | if (wakeup->magic_pkt && | |
11108 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
11109 | goto free_msg; | |
11110 | if (wakeup->gtk_rekey_failure && | |
11111 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
11112 | goto free_msg; | |
11113 | if (wakeup->eap_identity_req && | |
11114 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
11115 | goto free_msg; | |
11116 | if (wakeup->four_way_handshake && | |
11117 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
11118 | goto free_msg; | |
11119 | if (wakeup->rfkill_release && | |
11120 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
11121 | goto free_msg; | |
11122 | ||
11123 | if (wakeup->pattern_idx >= 0 && | |
11124 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
11125 | wakeup->pattern_idx)) | |
11126 | goto free_msg; | |
11127 | ||
ae917c9f JB |
11128 | if (wakeup->tcp_match && |
11129 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
11130 | goto free_msg; | |
2a0e047e | 11131 | |
ae917c9f JB |
11132 | if (wakeup->tcp_connlost && |
11133 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
11134 | goto free_msg; | |
2a0e047e | 11135 | |
ae917c9f JB |
11136 | if (wakeup->tcp_nomoretokens && |
11137 | nla_put_flag(msg, | |
11138 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
11139 | goto free_msg; | |
2a0e047e | 11140 | |
cd8f7cb4 JB |
11141 | if (wakeup->packet) { |
11142 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
11143 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
11144 | ||
11145 | if (!wakeup->packet_80211) { | |
11146 | pkt_attr = | |
11147 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
11148 | len_attr = | |
11149 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
11150 | } | |
11151 | ||
11152 | if (wakeup->packet_len && | |
11153 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
11154 | goto free_msg; | |
11155 | ||
11156 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
11157 | wakeup->packet)) | |
11158 | goto free_msg; | |
11159 | } | |
11160 | ||
11161 | nla_nest_end(msg, reasons); | |
11162 | } | |
11163 | ||
9c90a9f6 | 11164 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 11165 | |
68eb5503 | 11166 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11167 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
11168 | return; |
11169 | ||
11170 | free_msg: | |
11171 | nlmsg_free(msg); | |
11172 | } | |
11173 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
11174 | #endif | |
11175 | ||
3475b094 JM |
11176 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
11177 | enum nl80211_tdls_operation oper, | |
11178 | u16 reason_code, gfp_t gfp) | |
11179 | { | |
11180 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11181 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11182 | struct sk_buff *msg; | |
11183 | void *hdr; | |
3475b094 JM |
11184 | |
11185 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
11186 | reason_code); | |
11187 | ||
11188 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11189 | if (!msg) | |
11190 | return; | |
11191 | ||
11192 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
11193 | if (!hdr) { | |
11194 | nlmsg_free(msg); | |
11195 | return; | |
11196 | } | |
11197 | ||
11198 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11199 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11200 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
11201 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
11202 | (reason_code > 0 && | |
11203 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
11204 | goto nla_put_failure; | |
11205 | ||
9c90a9f6 | 11206 | genlmsg_end(msg, hdr); |
3475b094 | 11207 | |
68eb5503 | 11208 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11209 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
11210 | return; |
11211 | ||
11212 | nla_put_failure: | |
11213 | genlmsg_cancel(msg, hdr); | |
11214 | nlmsg_free(msg); | |
11215 | } | |
11216 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
11217 | ||
026331c4 JM |
11218 | static int nl80211_netlink_notify(struct notifier_block * nb, |
11219 | unsigned long state, | |
11220 | void *_notify) | |
11221 | { | |
11222 | struct netlink_notify *notify = _notify; | |
11223 | struct cfg80211_registered_device *rdev; | |
11224 | struct wireless_dev *wdev; | |
37c73b5f | 11225 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
11226 | |
11227 | if (state != NETLINK_URELEASE) | |
11228 | return NOTIFY_DONE; | |
11229 | ||
11230 | rcu_read_lock(); | |
11231 | ||
5e760230 | 11232 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
89a54e48 | 11233 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) |
15e47304 | 11234 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f BG |
11235 | |
11236 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
11237 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
11238 | list) { | |
11239 | if (reg->nlportid == notify->portid) { | |
11240 | list_del(®->list); | |
11241 | kfree(reg); | |
11242 | break; | |
11243 | } | |
11244 | } | |
11245 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 11246 | } |
026331c4 JM |
11247 | |
11248 | rcu_read_unlock(); | |
11249 | ||
11250 | return NOTIFY_DONE; | |
11251 | } | |
11252 | ||
11253 | static struct notifier_block nl80211_netlink_notifier = { | |
11254 | .notifier_call = nl80211_netlink_notify, | |
11255 | }; | |
11256 | ||
355199e0 JM |
11257 | void cfg80211_ft_event(struct net_device *netdev, |
11258 | struct cfg80211_ft_event_params *ft_event) | |
11259 | { | |
11260 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
11261 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11262 | struct sk_buff *msg; | |
11263 | void *hdr; | |
355199e0 JM |
11264 | |
11265 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
11266 | ||
11267 | if (!ft_event->target_ap) | |
11268 | return; | |
11269 | ||
11270 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11271 | if (!msg) | |
11272 | return; | |
11273 | ||
11274 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
11275 | if (!hdr) |
11276 | goto out; | |
11277 | ||
11278 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11279 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11280 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
11281 | goto out; | |
355199e0 | 11282 | |
ae917c9f JB |
11283 | if (ft_event->ies && |
11284 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
11285 | goto out; | |
11286 | if (ft_event->ric_ies && | |
11287 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
11288 | ft_event->ric_ies)) | |
11289 | goto out; | |
355199e0 | 11290 | |
9c90a9f6 | 11291 | genlmsg_end(msg, hdr); |
355199e0 | 11292 | |
68eb5503 | 11293 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11294 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
11295 | return; |
11296 | out: | |
11297 | nlmsg_free(msg); | |
355199e0 JM |
11298 | } |
11299 | EXPORT_SYMBOL(cfg80211_ft_event); | |
11300 | ||
5de17984 AS |
11301 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
11302 | { | |
11303 | struct cfg80211_registered_device *rdev; | |
11304 | struct sk_buff *msg; | |
11305 | void *hdr; | |
11306 | u32 nlportid; | |
11307 | ||
11308 | rdev = wiphy_to_dev(wdev->wiphy); | |
11309 | if (!rdev->crit_proto_nlportid) | |
11310 | return; | |
11311 | ||
11312 | nlportid = rdev->crit_proto_nlportid; | |
11313 | rdev->crit_proto_nlportid = 0; | |
11314 | ||
11315 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11316 | if (!msg) | |
11317 | return; | |
11318 | ||
11319 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
11320 | if (!hdr) | |
11321 | goto nla_put_failure; | |
11322 | ||
11323 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11324 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11325 | goto nla_put_failure; | |
11326 | ||
11327 | genlmsg_end(msg, hdr); | |
11328 | ||
11329 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
11330 | return; | |
11331 | ||
11332 | nla_put_failure: | |
11333 | if (hdr) | |
11334 | genlmsg_cancel(msg, hdr); | |
11335 | nlmsg_free(msg); | |
11336 | ||
11337 | } | |
11338 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
11339 | ||
55682965 JB |
11340 | /* initialisation/exit functions */ |
11341 | ||
11342 | int nl80211_init(void) | |
11343 | { | |
0d63cbb5 | 11344 | int err; |
55682965 | 11345 | |
2a94fe48 JB |
11346 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
11347 | nl80211_mcgrps); | |
55682965 JB |
11348 | if (err) |
11349 | return err; | |
11350 | ||
026331c4 JM |
11351 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
11352 | if (err) | |
11353 | goto err_out; | |
11354 | ||
55682965 JB |
11355 | return 0; |
11356 | err_out: | |
11357 | genl_unregister_family(&nl80211_fam); | |
11358 | return err; | |
11359 | } | |
11360 | ||
11361 | void nl80211_exit(void) | |
11362 | { | |
026331c4 | 11363 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
11364 | genl_unregister_family(&nl80211_fam); |
11365 | } |