Commit | Line | Data |
---|---|---|
55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
55682965 JB |
5 | */ |
6 | ||
7 | #include <linux/if.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/err.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
55682965 JB |
11 | #include <linux/list.h> |
12 | #include <linux/if_ether.h> | |
13 | #include <linux/ieee80211.h> | |
14 | #include <linux/nl80211.h> | |
15 | #include <linux/rtnetlink.h> | |
16 | #include <linux/netlink.h> | |
2a519311 | 17 | #include <linux/etherdevice.h> |
463d0183 | 18 | #include <net/net_namespace.h> |
55682965 JB |
19 | #include <net/genetlink.h> |
20 | #include <net/cfg80211.h> | |
463d0183 | 21 | #include <net/sock.h> |
2a0e047e | 22 | #include <net/inet_connection_sock.h> |
55682965 JB |
23 | #include "core.h" |
24 | #include "nl80211.h" | |
b2e1b302 | 25 | #include "reg.h" |
e35e4d28 | 26 | #include "rdev-ops.h" |
55682965 | 27 | |
5fb628e9 JM |
28 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
29 | struct genl_info *info, | |
30 | struct cfg80211_crypto_settings *settings, | |
31 | int cipher_limit); | |
32 | ||
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 DC |
2689 | if (!hdr) |
2690 | return -ENOBUFS; | |
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 | } | |
5352 | err = ieee80211_get_ratemask(wiphy->bands[band], | |
5353 | nla_data(attr), | |
5354 | nla_len(attr), | |
5355 | &request->rates[band]); | |
5356 | if (err) | |
5357 | goto out_free; | |
5358 | } | |
5359 | } | |
5360 | ||
46856bbf | 5361 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5362 | request->flags = nla_get_u32( |
5363 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
5364 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5365 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
5366 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
5367 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
5368 | err = -EOPNOTSUPP; |
5369 | goto out_free; | |
5370 | } | |
5371 | } | |
ed473771 | 5372 | |
e9f935e3 RM |
5373 | request->no_cck = |
5374 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5375 | ||
fd014284 | 5376 | request->wdev = wdev; |
79c97e97 | 5377 | request->wiphy = &rdev->wiphy; |
15d6030b | 5378 | request->scan_start = jiffies; |
2a519311 | 5379 | |
79c97e97 | 5380 | rdev->scan_req = request; |
e35e4d28 | 5381 | err = rdev_scan(rdev, request); |
2a519311 | 5382 | |
463d0183 | 5383 | if (!err) { |
fd014284 JB |
5384 | nl80211_send_scan_start(rdev, wdev); |
5385 | if (wdev->netdev) | |
5386 | dev_hold(wdev->netdev); | |
4c476991 | 5387 | } else { |
2a519311 | 5388 | out_free: |
79c97e97 | 5389 | rdev->scan_req = NULL; |
2a519311 JB |
5390 | kfree(request); |
5391 | } | |
3b85875a | 5392 | |
f9f47529 | 5393 | unlock: |
2a519311 JB |
5394 | return err; |
5395 | } | |
5396 | ||
807f8a8c LC |
5397 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5398 | struct genl_info *info) | |
5399 | { | |
5400 | struct cfg80211_sched_scan_request *request; | |
5401 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5402 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5403 | struct nlattr *attr; |
5404 | struct wiphy *wiphy; | |
a1f1c21c | 5405 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5406 | u32 interval; |
807f8a8c LC |
5407 | enum ieee80211_band band; |
5408 | size_t ie_len; | |
a1f1c21c | 5409 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
5410 | |
5411 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5412 | !rdev->ops->sched_scan_start) | |
5413 | return -EOPNOTSUPP; | |
5414 | ||
5415 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5416 | return -EINVAL; | |
5417 | ||
bbe6ad6d LC |
5418 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5419 | return -EINVAL; | |
5420 | ||
5421 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5422 | if (interval == 0) | |
5423 | return -EINVAL; | |
5424 | ||
807f8a8c LC |
5425 | wiphy = &rdev->wiphy; |
5426 | ||
5427 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5428 | n_channels = validate_scan_freqs( | |
5429 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5430 | if (!n_channels) | |
5431 | return -EINVAL; | |
5432 | } else { | |
5433 | n_channels = 0; | |
5434 | ||
5435 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
5436 | if (wiphy->bands[band]) | |
5437 | n_channels += wiphy->bands[band]->n_channels; | |
5438 | } | |
5439 | ||
5440 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5441 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5442 | tmp) | |
5443 | n_ssids++; | |
5444 | ||
93b6aa69 | 5445 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5446 | return -EINVAL; |
5447 | ||
a1f1c21c LC |
5448 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
5449 | nla_for_each_nested(attr, | |
5450 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5451 | tmp) | |
5452 | n_match_sets++; | |
5453 | ||
5454 | if (n_match_sets > wiphy->max_match_sets) | |
5455 | return -EINVAL; | |
5456 | ||
807f8a8c LC |
5457 | if (info->attrs[NL80211_ATTR_IE]) |
5458 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5459 | else | |
5460 | ie_len = 0; | |
5461 | ||
5a865bad | 5462 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5463 | return -EINVAL; |
5464 | ||
c10841ca LC |
5465 | if (rdev->sched_scan_req) { |
5466 | err = -EINPROGRESS; | |
5467 | goto out; | |
5468 | } | |
5469 | ||
807f8a8c | 5470 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5471 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5472 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5473 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5474 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5475 | if (!request) { |
5476 | err = -ENOMEM; | |
5477 | goto out; | |
5478 | } | |
807f8a8c LC |
5479 | |
5480 | if (n_ssids) | |
5481 | request->ssids = (void *)&request->channels[n_channels]; | |
5482 | request->n_ssids = n_ssids; | |
5483 | if (ie_len) { | |
5484 | if (request->ssids) | |
5485 | request->ie = (void *)(request->ssids + n_ssids); | |
5486 | else | |
5487 | request->ie = (void *)(request->channels + n_channels); | |
5488 | } | |
5489 | ||
a1f1c21c LC |
5490 | if (n_match_sets) { |
5491 | if (request->ie) | |
5492 | request->match_sets = (void *)(request->ie + ie_len); | |
5493 | else if (request->ssids) | |
5494 | request->match_sets = | |
5495 | (void *)(request->ssids + n_ssids); | |
5496 | else | |
5497 | request->match_sets = | |
5498 | (void *)(request->channels + n_channels); | |
5499 | } | |
5500 | request->n_match_sets = n_match_sets; | |
5501 | ||
807f8a8c LC |
5502 | i = 0; |
5503 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5504 | /* user specified, bail out if channel not found */ | |
5505 | nla_for_each_nested(attr, | |
5506 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5507 | tmp) { | |
5508 | struct ieee80211_channel *chan; | |
5509 | ||
5510 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5511 | ||
5512 | if (!chan) { | |
5513 | err = -EINVAL; | |
5514 | goto out_free; | |
5515 | } | |
5516 | ||
5517 | /* ignore disabled channels */ | |
5518 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5519 | continue; | |
5520 | ||
5521 | request->channels[i] = chan; | |
5522 | i++; | |
5523 | } | |
5524 | } else { | |
5525 | /* all channels */ | |
5526 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5527 | int j; | |
5528 | if (!wiphy->bands[band]) | |
5529 | continue; | |
5530 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5531 | struct ieee80211_channel *chan; | |
5532 | ||
5533 | chan = &wiphy->bands[band]->channels[j]; | |
5534 | ||
5535 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5536 | continue; | |
5537 | ||
5538 | request->channels[i] = chan; | |
5539 | i++; | |
5540 | } | |
5541 | } | |
5542 | } | |
5543 | ||
5544 | if (!i) { | |
5545 | err = -EINVAL; | |
5546 | goto out_free; | |
5547 | } | |
5548 | ||
5549 | request->n_channels = i; | |
5550 | ||
5551 | i = 0; | |
5552 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5553 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5554 | tmp) { | |
57a27e1d | 5555 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5556 | err = -EINVAL; |
5557 | goto out_free; | |
5558 | } | |
57a27e1d | 5559 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5560 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5561 | nla_len(attr)); | |
807f8a8c LC |
5562 | i++; |
5563 | } | |
5564 | } | |
5565 | ||
a1f1c21c LC |
5566 | i = 0; |
5567 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5568 | nla_for_each_nested(attr, | |
5569 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5570 | tmp) { | |
88e920b4 | 5571 | struct nlattr *ssid, *rssi; |
a1f1c21c LC |
5572 | |
5573 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5574 | nla_data(attr), nla_len(attr), | |
5575 | nl80211_match_policy); | |
4a4ab0d7 | 5576 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c LC |
5577 | if (ssid) { |
5578 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
5579 | err = -EINVAL; | |
5580 | goto out_free; | |
5581 | } | |
5582 | memcpy(request->match_sets[i].ssid.ssid, | |
5583 | nla_data(ssid), nla_len(ssid)); | |
5584 | request->match_sets[i].ssid.ssid_len = | |
5585 | nla_len(ssid); | |
5586 | } | |
88e920b4 TP |
5587 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; |
5588 | if (rssi) | |
5589 | request->rssi_thold = nla_get_u32(rssi); | |
5590 | else | |
5591 | request->rssi_thold = | |
5592 | NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5593 | i++; |
5594 | } | |
5595 | } | |
5596 | ||
807f8a8c LC |
5597 | if (info->attrs[NL80211_ATTR_IE]) { |
5598 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5599 | memcpy((void *)request->ie, | |
5600 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5601 | request->ie_len); | |
5602 | } | |
5603 | ||
46856bbf | 5604 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5605 | request->flags = nla_get_u32( |
5606 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
5607 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5608 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
5609 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
5610 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
5611 | err = -EOPNOTSUPP; |
5612 | goto out_free; | |
5613 | } | |
5614 | } | |
ed473771 | 5615 | |
807f8a8c LC |
5616 | request->dev = dev; |
5617 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5618 | request->interval = interval; |
15d6030b | 5619 | request->scan_start = jiffies; |
807f8a8c | 5620 | |
e35e4d28 | 5621 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5622 | if (!err) { |
5623 | rdev->sched_scan_req = request; | |
5624 | nl80211_send_sched_scan(rdev, dev, | |
5625 | NL80211_CMD_START_SCHED_SCAN); | |
5626 | goto out; | |
5627 | } | |
5628 | ||
5629 | out_free: | |
5630 | kfree(request); | |
5631 | out: | |
5632 | return err; | |
5633 | } | |
5634 | ||
5635 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5636 | struct genl_info *info) | |
5637 | { | |
5638 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5639 | ||
5640 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5641 | !rdev->ops->sched_scan_stop) | |
5642 | return -EOPNOTSUPP; | |
5643 | ||
5fe231e8 | 5644 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
5645 | } |
5646 | ||
04f39047 SW |
5647 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5648 | struct genl_info *info) | |
5649 | { | |
5650 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5651 | struct net_device *dev = info->user_ptr[1]; | |
5652 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5653 | struct cfg80211_chan_def chandef; | |
5654 | int err; | |
5655 | ||
5656 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
5657 | if (err) | |
5658 | return err; | |
5659 | ||
ff311bc1 SW |
5660 | if (netif_carrier_ok(dev)) |
5661 | return -EBUSY; | |
5662 | ||
04f39047 SW |
5663 | if (wdev->cac_started) |
5664 | return -EBUSY; | |
5665 | ||
5666 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); | |
5667 | if (err < 0) | |
5668 | return err; | |
5669 | ||
5670 | if (err == 0) | |
5671 | return -EINVAL; | |
5672 | ||
5673 | if (chandef.chan->dfs_state != NL80211_DFS_USABLE) | |
5674 | return -EINVAL; | |
5675 | ||
5676 | if (!rdev->ops->start_radar_detection) | |
5677 | return -EOPNOTSUPP; | |
5678 | ||
04f39047 SW |
5679 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
5680 | chandef.chan, CHAN_MODE_SHARED, | |
5681 | BIT(chandef.width)); | |
5682 | if (err) | |
5fe231e8 | 5683 | return err; |
04f39047 SW |
5684 | |
5685 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); | |
5686 | if (!err) { | |
5687 | wdev->channel = chandef.chan; | |
5688 | wdev->cac_started = true; | |
5689 | wdev->cac_start_time = jiffies; | |
5690 | } | |
04f39047 SW |
5691 | return err; |
5692 | } | |
5693 | ||
16ef1fe2 SW |
5694 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
5695 | { | |
5696 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5697 | struct net_device *dev = info->user_ptr[1]; | |
5698 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5699 | struct cfg80211_csa_settings params; | |
5700 | /* csa_attrs is defined static to avoid waste of stack size - this | |
5701 | * function is called under RTNL lock, so this should not be a problem. | |
5702 | */ | |
5703 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
5704 | u8 radar_detect_width = 0; | |
5705 | int err; | |
ee4bc9e7 | 5706 | bool need_new_beacon = false; |
16ef1fe2 SW |
5707 | |
5708 | if (!rdev->ops->channel_switch || | |
5709 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
5710 | return -EOPNOTSUPP; | |
5711 | ||
ee4bc9e7 SW |
5712 | switch (dev->ieee80211_ptr->iftype) { |
5713 | case NL80211_IFTYPE_AP: | |
5714 | case NL80211_IFTYPE_P2P_GO: | |
5715 | need_new_beacon = true; | |
5716 | ||
5717 | /* useless if AP is not running */ | |
5718 | if (!wdev->beacon_interval) | |
5719 | return -EINVAL; | |
5720 | break; | |
5721 | case NL80211_IFTYPE_ADHOC: | |
c6da674a | 5722 | case NL80211_IFTYPE_MESH_POINT: |
ee4bc9e7 SW |
5723 | break; |
5724 | default: | |
16ef1fe2 | 5725 | return -EOPNOTSUPP; |
ee4bc9e7 | 5726 | } |
16ef1fe2 SW |
5727 | |
5728 | memset(¶ms, 0, sizeof(params)); | |
5729 | ||
5730 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5731 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
5732 | return -EINVAL; | |
5733 | ||
5734 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 5735 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
5736 | return -EINVAL; |
5737 | ||
5738 | params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
5739 | ||
ee4bc9e7 SW |
5740 | if (!need_new_beacon) |
5741 | goto skip_beacons; | |
5742 | ||
16ef1fe2 SW |
5743 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
5744 | if (err) | |
5745 | return err; | |
5746 | ||
5747 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
5748 | info->attrs[NL80211_ATTR_CSA_IES], | |
5749 | nl80211_policy); | |
5750 | if (err) | |
5751 | return err; | |
5752 | ||
5753 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
5754 | if (err) | |
5755 | return err; | |
5756 | ||
5757 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
5758 | return -EINVAL; | |
5759 | ||
5760 | params.counter_offset_beacon = | |
5761 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
5762 | if (params.counter_offset_beacon >= params.beacon_csa.tail_len) | |
5763 | return -EINVAL; | |
5764 | ||
5765 | /* sanity check - counters should be the same */ | |
5766 | if (params.beacon_csa.tail[params.counter_offset_beacon] != | |
5767 | params.count) | |
5768 | return -EINVAL; | |
5769 | ||
5770 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { | |
5771 | params.counter_offset_presp = | |
5772 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
5773 | if (params.counter_offset_presp >= | |
5774 | params.beacon_csa.probe_resp_len) | |
5775 | return -EINVAL; | |
5776 | ||
5777 | if (params.beacon_csa.probe_resp[params.counter_offset_presp] != | |
5778 | params.count) | |
5779 | return -EINVAL; | |
5780 | } | |
5781 | ||
ee4bc9e7 | 5782 | skip_beacons: |
16ef1fe2 SW |
5783 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
5784 | if (err) | |
5785 | return err; | |
5786 | ||
5787 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) | |
5788 | return -EINVAL; | |
5789 | ||
ee4bc9e7 | 5790 | if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP || |
5336fa88 SW |
5791 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO || |
5792 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC) { | |
ee4bc9e7 SW |
5793 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
5794 | ¶ms.chandef); | |
5795 | if (err < 0) { | |
5796 | return err; | |
5797 | } else if (err) { | |
5798 | radar_detect_width = BIT(params.chandef.width); | |
5799 | params.radar_required = true; | |
5800 | } | |
16ef1fe2 SW |
5801 | } |
5802 | ||
5803 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, | |
5804 | params.chandef.chan, | |
5805 | CHAN_MODE_SHARED, | |
5806 | radar_detect_width); | |
5807 | if (err) | |
5808 | return err; | |
5809 | ||
5810 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) | |
5811 | params.block_tx = true; | |
5812 | ||
5813 | return rdev_channel_switch(rdev, dev, ¶ms); | |
5814 | } | |
5815 | ||
9720bb3a JB |
5816 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
5817 | u32 seq, int flags, | |
2a519311 | 5818 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
5819 | struct wireless_dev *wdev, |
5820 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 5821 | { |
48ab905d | 5822 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 5823 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
5824 | void *hdr; |
5825 | struct nlattr *bss; | |
8cef2c9d | 5826 | bool tsf = false; |
48ab905d JB |
5827 | |
5828 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 5829 | |
15e47304 | 5830 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
5831 | NL80211_CMD_NEW_SCAN_RESULTS); |
5832 | if (!hdr) | |
5833 | return -1; | |
5834 | ||
9720bb3a JB |
5835 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
5836 | ||
97990a06 JB |
5837 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
5838 | goto nla_put_failure; | |
5839 | if (wdev->netdev && | |
9360ffd1 DM |
5840 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
5841 | goto nla_put_failure; | |
97990a06 JB |
5842 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
5843 | goto nla_put_failure; | |
2a519311 JB |
5844 | |
5845 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
5846 | if (!bss) | |
5847 | goto nla_put_failure; | |
9360ffd1 | 5848 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 5849 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 5850 | goto nla_put_failure; |
9caf0364 JB |
5851 | |
5852 | rcu_read_lock(); | |
5853 | ies = rcu_dereference(res->ies); | |
8cef2c9d JB |
5854 | if (ies) { |
5855 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5856 | goto fail_unlock_rcu; | |
5857 | tsf = true; | |
5858 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
5859 | ies->len, ies->data)) | |
5860 | goto fail_unlock_rcu; | |
9caf0364 JB |
5861 | } |
5862 | ies = rcu_dereference(res->beacon_ies); | |
8cef2c9d JB |
5863 | if (ies) { |
5864 | if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5865 | goto fail_unlock_rcu; | |
5866 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
5867 | ies->len, ies->data)) | |
5868 | goto fail_unlock_rcu; | |
9caf0364 JB |
5869 | } |
5870 | rcu_read_unlock(); | |
5871 | ||
9360ffd1 DM |
5872 | if (res->beacon_interval && |
5873 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
5874 | goto nla_put_failure; | |
5875 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
5876 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 5877 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
5878 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
5879 | jiffies_to_msecs(jiffies - intbss->ts))) | |
5880 | goto nla_put_failure; | |
2a519311 | 5881 | |
77965c97 | 5882 | switch (rdev->wiphy.signal_type) { |
2a519311 | 5883 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
5884 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
5885 | goto nla_put_failure; | |
2a519311 JB |
5886 | break; |
5887 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
5888 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
5889 | goto nla_put_failure; | |
2a519311 JB |
5890 | break; |
5891 | default: | |
5892 | break; | |
5893 | } | |
5894 | ||
48ab905d | 5895 | switch (wdev->iftype) { |
074ac8df | 5896 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 5897 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
5898 | if (intbss == wdev->current_bss && |
5899 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5900 | NL80211_BSS_STATUS_ASSOCIATED)) | |
5901 | goto nla_put_failure; | |
48ab905d JB |
5902 | break; |
5903 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
5904 | if (intbss == wdev->current_bss && |
5905 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5906 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
5907 | goto nla_put_failure; | |
48ab905d JB |
5908 | break; |
5909 | default: | |
5910 | break; | |
5911 | } | |
5912 | ||
2a519311 JB |
5913 | nla_nest_end(msg, bss); |
5914 | ||
5915 | return genlmsg_end(msg, hdr); | |
5916 | ||
8cef2c9d JB |
5917 | fail_unlock_rcu: |
5918 | rcu_read_unlock(); | |
2a519311 JB |
5919 | nla_put_failure: |
5920 | genlmsg_cancel(msg, hdr); | |
5921 | return -EMSGSIZE; | |
5922 | } | |
5923 | ||
97990a06 | 5924 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 5925 | { |
48ab905d | 5926 | struct cfg80211_registered_device *rdev; |
2a519311 | 5927 | struct cfg80211_internal_bss *scan; |
48ab905d | 5928 | struct wireless_dev *wdev; |
97990a06 | 5929 | int start = cb->args[2], idx = 0; |
2a519311 JB |
5930 | int err; |
5931 | ||
97990a06 | 5932 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5933 | if (err) |
5934 | return err; | |
2a519311 | 5935 | |
48ab905d JB |
5936 | wdev_lock(wdev); |
5937 | spin_lock_bh(&rdev->bss_lock); | |
5938 | cfg80211_bss_expire(rdev); | |
5939 | ||
9720bb3a JB |
5940 | cb->seq = rdev->bss_generation; |
5941 | ||
48ab905d | 5942 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
5943 | if (++idx <= start) |
5944 | continue; | |
9720bb3a | 5945 | if (nl80211_send_bss(skb, cb, |
2a519311 | 5946 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 5947 | rdev, wdev, scan) < 0) { |
2a519311 | 5948 | idx--; |
67748893 | 5949 | break; |
2a519311 JB |
5950 | } |
5951 | } | |
5952 | ||
48ab905d JB |
5953 | spin_unlock_bh(&rdev->bss_lock); |
5954 | wdev_unlock(wdev); | |
2a519311 | 5955 | |
97990a06 JB |
5956 | cb->args[2] = idx; |
5957 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 5958 | |
67748893 | 5959 | return skb->len; |
2a519311 JB |
5960 | } |
5961 | ||
15e47304 | 5962 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
5963 | int flags, struct net_device *dev, |
5964 | struct survey_info *survey) | |
5965 | { | |
5966 | void *hdr; | |
5967 | struct nlattr *infoattr; | |
5968 | ||
15e47304 | 5969 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
5970 | NL80211_CMD_NEW_SURVEY_RESULTS); |
5971 | if (!hdr) | |
5972 | return -ENOMEM; | |
5973 | ||
9360ffd1 DM |
5974 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
5975 | goto nla_put_failure; | |
61fa713c HS |
5976 | |
5977 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
5978 | if (!infoattr) | |
5979 | goto nla_put_failure; | |
5980 | ||
9360ffd1 DM |
5981 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
5982 | survey->channel->center_freq)) | |
5983 | goto nla_put_failure; | |
5984 | ||
5985 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
5986 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
5987 | goto nla_put_failure; | |
5988 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
5989 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
5990 | goto nla_put_failure; | |
5991 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
5992 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
5993 | survey->channel_time)) | |
5994 | goto nla_put_failure; | |
5995 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
5996 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
5997 | survey->channel_time_busy)) | |
5998 | goto nla_put_failure; | |
5999 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
6000 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
6001 | survey->channel_time_ext_busy)) | |
6002 | goto nla_put_failure; | |
6003 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
6004 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
6005 | survey->channel_time_rx)) | |
6006 | goto nla_put_failure; | |
6007 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
6008 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
6009 | survey->channel_time_tx)) | |
6010 | goto nla_put_failure; | |
61fa713c HS |
6011 | |
6012 | nla_nest_end(msg, infoattr); | |
6013 | ||
6014 | return genlmsg_end(msg, hdr); | |
6015 | ||
6016 | nla_put_failure: | |
6017 | genlmsg_cancel(msg, hdr); | |
6018 | return -EMSGSIZE; | |
6019 | } | |
6020 | ||
6021 | static int nl80211_dump_survey(struct sk_buff *skb, | |
6022 | struct netlink_callback *cb) | |
6023 | { | |
6024 | struct survey_info survey; | |
6025 | struct cfg80211_registered_device *dev; | |
97990a06 JB |
6026 | struct wireless_dev *wdev; |
6027 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6028 | int res; |
6029 | ||
97990a06 | 6030 | res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
6031 | if (res) |
6032 | return res; | |
61fa713c | 6033 | |
97990a06 JB |
6034 | if (!wdev->netdev) { |
6035 | res = -EINVAL; | |
6036 | goto out_err; | |
6037 | } | |
6038 | ||
61fa713c HS |
6039 | if (!dev->ops->dump_survey) { |
6040 | res = -EOPNOTSUPP; | |
6041 | goto out_err; | |
6042 | } | |
6043 | ||
6044 | while (1) { | |
180cdc79 LR |
6045 | struct ieee80211_channel *chan; |
6046 | ||
97990a06 | 6047 | res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6048 | if (res == -ENOENT) |
6049 | break; | |
6050 | if (res) | |
6051 | goto out_err; | |
6052 | ||
180cdc79 LR |
6053 | /* Survey without a channel doesn't make sense */ |
6054 | if (!survey.channel) { | |
6055 | res = -EINVAL; | |
6056 | goto out; | |
6057 | } | |
6058 | ||
6059 | chan = ieee80211_get_channel(&dev->wiphy, | |
6060 | survey.channel->center_freq); | |
6061 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
6062 | survey_idx++; | |
6063 | continue; | |
6064 | } | |
6065 | ||
61fa713c | 6066 | if (nl80211_send_survey(skb, |
15e47304 | 6067 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6068 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6069 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6070 | goto out; |
6071 | survey_idx++; | |
6072 | } | |
6073 | ||
6074 | out: | |
97990a06 | 6075 | cb->args[2] = survey_idx; |
61fa713c HS |
6076 | res = skb->len; |
6077 | out_err: | |
97990a06 | 6078 | nl80211_finish_wdev_dump(dev); |
61fa713c HS |
6079 | return res; |
6080 | } | |
6081 | ||
b23aa676 SO |
6082 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6083 | { | |
6084 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6085 | NL80211_WPA_VERSION_2)); | |
6086 | } | |
6087 | ||
636a5d36 JM |
6088 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6089 | { | |
4c476991 JB |
6090 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6091 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6092 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6093 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6094 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6095 | enum nl80211_auth_type auth_type; |
fffd0934 | 6096 | struct key_parse key; |
d5cdfacb | 6097 | bool local_state_change; |
636a5d36 | 6098 | |
f4a11bb0 JB |
6099 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6100 | return -EINVAL; | |
6101 | ||
6102 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6103 | return -EINVAL; | |
6104 | ||
1778092e JM |
6105 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6106 | return -EINVAL; | |
6107 | ||
19957bb3 JB |
6108 | if (!info->attrs[NL80211_ATTR_SSID]) |
6109 | return -EINVAL; | |
6110 | ||
6111 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6112 | return -EINVAL; | |
6113 | ||
fffd0934 JB |
6114 | err = nl80211_parse_key(info, &key); |
6115 | if (err) | |
6116 | return err; | |
6117 | ||
6118 | if (key.idx >= 0) { | |
e31b8213 JB |
6119 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6120 | return -EINVAL; | |
fffd0934 JB |
6121 | if (!key.p.key || !key.p.key_len) |
6122 | return -EINVAL; | |
6123 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6124 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6125 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6126 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6127 | return -EINVAL; | |
6128 | if (key.idx > 4) | |
6129 | return -EINVAL; | |
6130 | } else { | |
6131 | key.p.key_len = 0; | |
6132 | key.p.key = NULL; | |
6133 | } | |
6134 | ||
afea0b7a JB |
6135 | if (key.idx >= 0) { |
6136 | int i; | |
6137 | bool ok = false; | |
6138 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6139 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6140 | ok = true; | |
6141 | break; | |
6142 | } | |
6143 | } | |
4c476991 JB |
6144 | if (!ok) |
6145 | return -EINVAL; | |
afea0b7a JB |
6146 | } |
6147 | ||
4c476991 JB |
6148 | if (!rdev->ops->auth) |
6149 | return -EOPNOTSUPP; | |
636a5d36 | 6150 | |
074ac8df | 6151 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6152 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6153 | return -EOPNOTSUPP; | |
eec60b03 | 6154 | |
19957bb3 | 6155 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 6156 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 6157 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
6158 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6159 | return -EINVAL; | |
636a5d36 | 6160 | |
19957bb3 JB |
6161 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6162 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6163 | |
6164 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6165 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6166 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6167 | } |
6168 | ||
19957bb3 | 6169 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6170 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6171 | return -EINVAL; |
636a5d36 | 6172 | |
e39e5b5e JM |
6173 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6174 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6175 | return -EINVAL; | |
6176 | ||
6177 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6178 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6179 | return -EINVAL; | |
6180 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6181 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6182 | /* need to include at least Auth Transaction and Status Code */ | |
6183 | if (sae_data_len < 4) | |
6184 | return -EINVAL; | |
6185 | } | |
6186 | ||
d5cdfacb JM |
6187 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6188 | ||
95de817b JB |
6189 | /* |
6190 | * Since we no longer track auth state, ignore | |
6191 | * requests to only change local state. | |
6192 | */ | |
6193 | if (local_state_change) | |
6194 | return 0; | |
6195 | ||
91bf9b26 JB |
6196 | wdev_lock(dev->ieee80211_ptr); |
6197 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6198 | ssid, ssid_len, ie, ie_len, | |
6199 | key.p.key, key.p.key_len, key.idx, | |
6200 | sae_data, sae_data_len); | |
6201 | wdev_unlock(dev->ieee80211_ptr); | |
6202 | return err; | |
636a5d36 JM |
6203 | } |
6204 | ||
c0692b8f JB |
6205 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6206 | struct genl_info *info, | |
3dc27d25 JB |
6207 | struct cfg80211_crypto_settings *settings, |
6208 | int cipher_limit) | |
b23aa676 | 6209 | { |
c0b2bbd8 JB |
6210 | memset(settings, 0, sizeof(*settings)); |
6211 | ||
b23aa676 SO |
6212 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6213 | ||
c0692b8f JB |
6214 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6215 | u16 proto; | |
6216 | proto = nla_get_u16( | |
6217 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6218 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6219 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6220 | proto != ETH_P_PAE) | |
6221 | return -EINVAL; | |
6222 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6223 | settings->control_port_no_encrypt = true; | |
6224 | } else | |
6225 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6226 | ||
b23aa676 SO |
6227 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6228 | void *data; | |
6229 | int len, i; | |
6230 | ||
6231 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6232 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6233 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6234 | ||
6235 | if (len % sizeof(u32)) | |
6236 | return -EINVAL; | |
6237 | ||
3dc27d25 | 6238 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6239 | return -EINVAL; |
6240 | ||
6241 | memcpy(settings->ciphers_pairwise, data, len); | |
6242 | ||
6243 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6244 | if (!cfg80211_supported_cipher_suite( |
6245 | &rdev->wiphy, | |
b23aa676 SO |
6246 | settings->ciphers_pairwise[i])) |
6247 | return -EINVAL; | |
6248 | } | |
6249 | ||
6250 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6251 | settings->cipher_group = | |
6252 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6253 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6254 | settings->cipher_group)) | |
b23aa676 SO |
6255 | return -EINVAL; |
6256 | } | |
6257 | ||
6258 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6259 | settings->wpa_versions = | |
6260 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6261 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6262 | return -EINVAL; | |
6263 | } | |
6264 | ||
6265 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6266 | void *data; | |
6d30240e | 6267 | int len; |
b23aa676 SO |
6268 | |
6269 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6270 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6271 | settings->n_akm_suites = len / sizeof(u32); | |
6272 | ||
6273 | if (len % sizeof(u32)) | |
6274 | return -EINVAL; | |
6275 | ||
1b9ca027 JM |
6276 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6277 | return -EINVAL; | |
6278 | ||
b23aa676 | 6279 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6280 | } |
6281 | ||
6282 | return 0; | |
6283 | } | |
6284 | ||
636a5d36 JM |
6285 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6286 | { | |
4c476991 JB |
6287 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6288 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6289 | struct ieee80211_channel *chan; |
f62fab73 JB |
6290 | struct cfg80211_assoc_request req = {}; |
6291 | const u8 *bssid, *ssid; | |
6292 | int err, ssid_len = 0; | |
636a5d36 | 6293 | |
f4a11bb0 JB |
6294 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6295 | return -EINVAL; | |
6296 | ||
6297 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6298 | !info->attrs[NL80211_ATTR_SSID] || |
6299 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6300 | return -EINVAL; |
6301 | ||
4c476991 JB |
6302 | if (!rdev->ops->assoc) |
6303 | return -EOPNOTSUPP; | |
636a5d36 | 6304 | |
074ac8df | 6305 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6306 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6307 | return -EOPNOTSUPP; | |
eec60b03 | 6308 | |
19957bb3 | 6309 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6310 | |
19957bb3 JB |
6311 | chan = ieee80211_get_channel(&rdev->wiphy, |
6312 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
6313 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6314 | return -EINVAL; | |
636a5d36 | 6315 | |
19957bb3 JB |
6316 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6317 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6318 | |
6319 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6320 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6321 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6322 | } |
6323 | ||
dc6382ce | 6324 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6325 | enum nl80211_mfp mfp = |
dc6382ce | 6326 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6327 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6328 | req.use_mfp = true; |
4c476991 JB |
6329 | else if (mfp != NL80211_MFP_NO) |
6330 | return -EINVAL; | |
dc6382ce JM |
6331 | } |
6332 | ||
3e5d7649 | 6333 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6334 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6335 | |
7e7c8926 | 6336 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6337 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6338 | |
6339 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6340 | memcpy(&req.ht_capa_mask, |
6341 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6342 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6343 | |
6344 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6345 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6346 | return -EINVAL; |
f62fab73 JB |
6347 | memcpy(&req.ht_capa, |
6348 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6349 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6350 | } |
6351 | ||
ee2aca34 | 6352 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6353 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6354 | |
6355 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6356 | memcpy(&req.vht_capa_mask, |
6357 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6358 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6359 | |
6360 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6361 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6362 | return -EINVAL; |
f62fab73 JB |
6363 | memcpy(&req.vht_capa, |
6364 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6365 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6366 | } |
6367 | ||
f62fab73 | 6368 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6369 | if (!err) { |
6370 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6371 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6372 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6373 | wdev_unlock(dev->ieee80211_ptr); |
6374 | } | |
636a5d36 | 6375 | |
636a5d36 JM |
6376 | return err; |
6377 | } | |
6378 | ||
6379 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6380 | { | |
4c476991 JB |
6381 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6382 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6383 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6384 | int ie_len = 0, err; |
19957bb3 | 6385 | u16 reason_code; |
d5cdfacb | 6386 | bool local_state_change; |
636a5d36 | 6387 | |
f4a11bb0 JB |
6388 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6389 | return -EINVAL; | |
6390 | ||
6391 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6392 | return -EINVAL; | |
6393 | ||
6394 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6395 | return -EINVAL; | |
6396 | ||
4c476991 JB |
6397 | if (!rdev->ops->deauth) |
6398 | return -EOPNOTSUPP; | |
636a5d36 | 6399 | |
074ac8df | 6400 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6401 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6402 | return -EOPNOTSUPP; | |
eec60b03 | 6403 | |
19957bb3 | 6404 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6405 | |
19957bb3 JB |
6406 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6407 | if (reason_code == 0) { | |
f4a11bb0 | 6408 | /* Reason Code 0 is reserved */ |
4c476991 | 6409 | return -EINVAL; |
255e737e | 6410 | } |
636a5d36 JM |
6411 | |
6412 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6413 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6414 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6415 | } |
6416 | ||
d5cdfacb JM |
6417 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6418 | ||
91bf9b26 JB |
6419 | wdev_lock(dev->ieee80211_ptr); |
6420 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6421 | local_state_change); | |
6422 | wdev_unlock(dev->ieee80211_ptr); | |
6423 | return err; | |
636a5d36 JM |
6424 | } |
6425 | ||
6426 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6427 | { | |
4c476991 JB |
6428 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6429 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6430 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6431 | int ie_len = 0, err; |
19957bb3 | 6432 | u16 reason_code; |
d5cdfacb | 6433 | bool local_state_change; |
636a5d36 | 6434 | |
f4a11bb0 JB |
6435 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6436 | return -EINVAL; | |
6437 | ||
6438 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6439 | return -EINVAL; | |
6440 | ||
6441 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6442 | return -EINVAL; | |
6443 | ||
4c476991 JB |
6444 | if (!rdev->ops->disassoc) |
6445 | return -EOPNOTSUPP; | |
636a5d36 | 6446 | |
074ac8df | 6447 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6448 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6449 | return -EOPNOTSUPP; | |
eec60b03 | 6450 | |
19957bb3 | 6451 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6452 | |
19957bb3 JB |
6453 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6454 | if (reason_code == 0) { | |
f4a11bb0 | 6455 | /* Reason Code 0 is reserved */ |
4c476991 | 6456 | return -EINVAL; |
255e737e | 6457 | } |
636a5d36 JM |
6458 | |
6459 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6460 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6461 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6462 | } |
6463 | ||
d5cdfacb JM |
6464 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6465 | ||
91bf9b26 JB |
6466 | wdev_lock(dev->ieee80211_ptr); |
6467 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6468 | local_state_change); | |
6469 | wdev_unlock(dev->ieee80211_ptr); | |
6470 | return err; | |
636a5d36 JM |
6471 | } |
6472 | ||
dd5b4cc7 FF |
6473 | static bool |
6474 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6475 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6476 | int rateval) | |
6477 | { | |
6478 | struct wiphy *wiphy = &rdev->wiphy; | |
6479 | bool found = false; | |
6480 | int band, i; | |
6481 | ||
6482 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6483 | struct ieee80211_supported_band *sband; | |
6484 | ||
6485 | sband = wiphy->bands[band]; | |
6486 | if (!sband) | |
6487 | continue; | |
6488 | ||
6489 | for (i = 0; i < sband->n_bitrates; i++) { | |
6490 | if (sband->bitrates[i].bitrate == rateval) { | |
6491 | mcast_rate[band] = i + 1; | |
6492 | found = true; | |
6493 | break; | |
6494 | } | |
6495 | } | |
6496 | } | |
6497 | ||
6498 | return found; | |
6499 | } | |
6500 | ||
04a773ad JB |
6501 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
6502 | { | |
4c476991 JB |
6503 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6504 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
6505 | struct cfg80211_ibss_params ibss; |
6506 | struct wiphy *wiphy; | |
fffd0934 | 6507 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6508 | int err; |
6509 | ||
8e30bc55 JB |
6510 | memset(&ibss, 0, sizeof(ibss)); |
6511 | ||
04a773ad JB |
6512 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6513 | return -EINVAL; | |
6514 | ||
683b6d3b | 6515 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6516 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6517 | return -EINVAL; | |
6518 | ||
8e30bc55 JB |
6519 | ibss.beacon_interval = 100; |
6520 | ||
6521 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6522 | ibss.beacon_interval = | |
6523 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6524 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6525 | return -EINVAL; | |
6526 | } | |
6527 | ||
4c476991 JB |
6528 | if (!rdev->ops->join_ibss) |
6529 | return -EOPNOTSUPP; | |
04a773ad | 6530 | |
4c476991 JB |
6531 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6532 | return -EOPNOTSUPP; | |
04a773ad | 6533 | |
79c97e97 | 6534 | wiphy = &rdev->wiphy; |
04a773ad | 6535 | |
39193498 | 6536 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6537 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6538 | |
6539 | if (!is_valid_ether_addr(ibss.bssid)) | |
6540 | return -EINVAL; | |
6541 | } | |
04a773ad JB |
6542 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6543 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6544 | ||
6545 | if (info->attrs[NL80211_ATTR_IE]) { | |
6546 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6547 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6548 | } | |
6549 | ||
683b6d3b JB |
6550 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6551 | if (err) | |
6552 | return err; | |
04a773ad | 6553 | |
683b6d3b | 6554 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) |
54858ee5 AS |
6555 | return -EINVAL; |
6556 | ||
2f301ab2 | 6557 | switch (ibss.chandef.width) { |
bf372645 SW |
6558 | case NL80211_CHAN_WIDTH_5: |
6559 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
6560 | case NL80211_CHAN_WIDTH_20_NOHT: |
6561 | break; | |
6562 | case NL80211_CHAN_WIDTH_20: | |
6563 | case NL80211_CHAN_WIDTH_40: | |
6564 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
6565 | break; | |
6566 | default: | |
c04d6150 | 6567 | return -EINVAL; |
2f301ab2 | 6568 | } |
db9c64cf | 6569 | |
04a773ad | 6570 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6571 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6572 | ||
fbd2c8dc TP |
6573 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6574 | u8 *rates = | |
6575 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6576 | int n_rates = | |
6577 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6578 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6579 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6580 | |
34850ab2 JB |
6581 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6582 | &ibss.basic_rates); | |
6583 | if (err) | |
6584 | return err; | |
fbd2c8dc | 6585 | } |
dd5b4cc7 | 6586 | |
803768f5 SW |
6587 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
6588 | memcpy(&ibss.ht_capa_mask, | |
6589 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6590 | sizeof(ibss.ht_capa_mask)); | |
6591 | ||
6592 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
6593 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6594 | return -EINVAL; | |
6595 | memcpy(&ibss.ht_capa, | |
6596 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6597 | sizeof(ibss.ht_capa)); | |
6598 | } | |
6599 | ||
dd5b4cc7 FF |
6600 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6601 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6602 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6603 | return -EINVAL; | |
fbd2c8dc | 6604 | |
4c476991 | 6605 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6606 | bool no_ht = false; |
6607 | ||
4c476991 | 6608 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6609 | info->attrs[NL80211_ATTR_KEYS], |
6610 | &no_ht); | |
4c476991 JB |
6611 | if (IS_ERR(connkeys)) |
6612 | return PTR_ERR(connkeys); | |
de7044ee | 6613 | |
3d9d1d66 JB |
6614 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6615 | no_ht) { | |
de7044ee SM |
6616 | kfree(connkeys); |
6617 | return -EINVAL; | |
6618 | } | |
4c476991 | 6619 | } |
04a773ad | 6620 | |
267335d6 AQ |
6621 | ibss.control_port = |
6622 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6623 | ||
5336fa88 SW |
6624 | ibss.userspace_handles_dfs = |
6625 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
6626 | ||
4c476991 | 6627 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
6628 | if (err) |
6629 | kfree(connkeys); | |
04a773ad JB |
6630 | return err; |
6631 | } | |
6632 | ||
6633 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6634 | { | |
4c476991 JB |
6635 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6636 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6637 | |
4c476991 JB |
6638 | if (!rdev->ops->leave_ibss) |
6639 | return -EOPNOTSUPP; | |
04a773ad | 6640 | |
4c476991 JB |
6641 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6642 | return -EOPNOTSUPP; | |
04a773ad | 6643 | |
4c476991 | 6644 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6645 | } |
6646 | ||
f4e583c8 AQ |
6647 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6648 | { | |
6649 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6650 | struct net_device *dev = info->user_ptr[1]; | |
6651 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6652 | u32 nla_rate; | |
6653 | int err; | |
6654 | ||
6655 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6656 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6657 | return -EOPNOTSUPP; | |
6658 | ||
6659 | if (!rdev->ops->set_mcast_rate) | |
6660 | return -EOPNOTSUPP; | |
6661 | ||
6662 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6663 | ||
6664 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6665 | return -EINVAL; | |
6666 | ||
6667 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6668 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6669 | return -EINVAL; | |
6670 | ||
6671 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6672 | ||
6673 | return err; | |
6674 | } | |
6675 | ||
6676 | ||
aff89a9b | 6677 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
6678 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
6679 | { | |
4c476991 | 6680 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
6681 | struct wireless_dev *wdev = |
6682 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
6683 | int err; |
6684 | ||
fc73f11f DS |
6685 | if (!rdev->ops->testmode_cmd) |
6686 | return -EOPNOTSUPP; | |
6687 | ||
6688 | if (IS_ERR(wdev)) { | |
6689 | err = PTR_ERR(wdev); | |
6690 | if (err != -EINVAL) | |
6691 | return err; | |
6692 | wdev = NULL; | |
6693 | } else if (wdev->wiphy != &rdev->wiphy) { | |
6694 | return -EINVAL; | |
6695 | } | |
6696 | ||
aff89a9b JB |
6697 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
6698 | return -EINVAL; | |
6699 | ||
fc73f11f DS |
6700 | rdev->testmode_info = info; |
6701 | err = rdev_testmode_cmd(rdev, wdev, | |
aff89a9b JB |
6702 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
6703 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
fc73f11f | 6704 | rdev->testmode_info = NULL; |
aff89a9b | 6705 | |
aff89a9b JB |
6706 | return err; |
6707 | } | |
6708 | ||
71063f0e WYG |
6709 | static int nl80211_testmode_dump(struct sk_buff *skb, |
6710 | struct netlink_callback *cb) | |
6711 | { | |
00918d33 | 6712 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
6713 | int err; |
6714 | long phy_idx; | |
6715 | void *data = NULL; | |
6716 | int data_len = 0; | |
6717 | ||
5fe231e8 JB |
6718 | rtnl_lock(); |
6719 | ||
71063f0e WYG |
6720 | if (cb->args[0]) { |
6721 | /* | |
6722 | * 0 is a valid index, but not valid for args[0], | |
6723 | * so we need to offset by 1. | |
6724 | */ | |
6725 | phy_idx = cb->args[0] - 1; | |
6726 | } else { | |
6727 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
6728 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
6729 | nl80211_policy); | |
6730 | if (err) | |
5fe231e8 | 6731 | goto out_err; |
00918d33 | 6732 | |
2bd7e35d JB |
6733 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
6734 | nl80211_fam.attrbuf); | |
6735 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
6736 | err = PTR_ERR(rdev); |
6737 | goto out_err; | |
00918d33 | 6738 | } |
2bd7e35d JB |
6739 | phy_idx = rdev->wiphy_idx; |
6740 | rdev = NULL; | |
2bd7e35d | 6741 | |
71063f0e WYG |
6742 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
6743 | cb->args[1] = | |
6744 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
6745 | } | |
6746 | ||
6747 | if (cb->args[1]) { | |
6748 | data = nla_data((void *)cb->args[1]); | |
6749 | data_len = nla_len((void *)cb->args[1]); | |
6750 | } | |
6751 | ||
00918d33 JB |
6752 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
6753 | if (!rdev) { | |
5fe231e8 JB |
6754 | err = -ENOENT; |
6755 | goto out_err; | |
71063f0e | 6756 | } |
71063f0e | 6757 | |
00918d33 | 6758 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
6759 | err = -EOPNOTSUPP; |
6760 | goto out_err; | |
6761 | } | |
6762 | ||
6763 | while (1) { | |
15e47304 | 6764 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
6765 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
6766 | NL80211_CMD_TESTMODE); | |
6767 | struct nlattr *tmdata; | |
6768 | ||
cb35fba3 DC |
6769 | if (!hdr) |
6770 | break; | |
6771 | ||
9360ffd1 | 6772 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
6773 | genlmsg_cancel(skb, hdr); |
6774 | break; | |
6775 | } | |
6776 | ||
6777 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
6778 | if (!tmdata) { | |
6779 | genlmsg_cancel(skb, hdr); | |
6780 | break; | |
6781 | } | |
e35e4d28 | 6782 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
6783 | nla_nest_end(skb, tmdata); |
6784 | ||
6785 | if (err == -ENOBUFS || err == -ENOENT) { | |
6786 | genlmsg_cancel(skb, hdr); | |
6787 | break; | |
6788 | } else if (err) { | |
6789 | genlmsg_cancel(skb, hdr); | |
6790 | goto out_err; | |
6791 | } | |
6792 | ||
6793 | genlmsg_end(skb, hdr); | |
6794 | } | |
6795 | ||
6796 | err = skb->len; | |
6797 | /* see above */ | |
6798 | cb->args[0] = phy_idx + 1; | |
6799 | out_err: | |
5fe231e8 | 6800 | rtnl_unlock(); |
71063f0e WYG |
6801 | return err; |
6802 | } | |
6803 | ||
aff89a9b JB |
6804 | static struct sk_buff * |
6805 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
15e47304 | 6806 | int approxlen, u32 portid, u32 seq, gfp_t gfp) |
aff89a9b JB |
6807 | { |
6808 | struct sk_buff *skb; | |
6809 | void *hdr; | |
6810 | struct nlattr *data; | |
6811 | ||
6812 | skb = nlmsg_new(approxlen + 100, gfp); | |
6813 | if (!skb) | |
6814 | return NULL; | |
6815 | ||
15e47304 | 6816 | hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE); |
aff89a9b JB |
6817 | if (!hdr) { |
6818 | kfree_skb(skb); | |
6819 | return NULL; | |
6820 | } | |
6821 | ||
9360ffd1 DM |
6822 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) |
6823 | goto nla_put_failure; | |
aff89a9b JB |
6824 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); |
6825 | ||
6826 | ((void **)skb->cb)[0] = rdev; | |
6827 | ((void **)skb->cb)[1] = hdr; | |
6828 | ((void **)skb->cb)[2] = data; | |
6829 | ||
6830 | return skb; | |
6831 | ||
6832 | nla_put_failure: | |
6833 | kfree_skb(skb); | |
6834 | return NULL; | |
6835 | } | |
6836 | ||
6837 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
6838 | int approxlen) | |
6839 | { | |
6840 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6841 | ||
6842 | if (WARN_ON(!rdev->testmode_info)) | |
6843 | return NULL; | |
6844 | ||
6845 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
15e47304 | 6846 | rdev->testmode_info->snd_portid, |
aff89a9b JB |
6847 | rdev->testmode_info->snd_seq, |
6848 | GFP_KERNEL); | |
6849 | } | |
6850 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
6851 | ||
6852 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
6853 | { | |
6854 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
6855 | void *hdr = ((void **)skb->cb)[1]; | |
6856 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6857 | ||
6858 | if (WARN_ON(!rdev->testmode_info)) { | |
6859 | kfree_skb(skb); | |
6860 | return -EINVAL; | |
6861 | } | |
6862 | ||
6863 | nla_nest_end(skb, data); | |
6864 | genlmsg_end(skb, hdr); | |
6865 | return genlmsg_reply(skb, rdev->testmode_info); | |
6866 | } | |
6867 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
6868 | ||
6869 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
6870 | int approxlen, gfp_t gfp) | |
6871 | { | |
6872 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6873 | ||
6874 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
6875 | } | |
6876 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
6877 | ||
6878 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
6879 | { | |
a0ec570f | 6880 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; |
aff89a9b JB |
6881 | void *hdr = ((void **)skb->cb)[1]; |
6882 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6883 | ||
6884 | nla_nest_end(skb, data); | |
6885 | genlmsg_end(skb, hdr); | |
68eb5503 | 6886 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, |
2a94fe48 | 6887 | NL80211_MCGRP_TESTMODE, gfp); |
aff89a9b JB |
6888 | } |
6889 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
6890 | #endif | |
6891 | ||
b23aa676 SO |
6892 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
6893 | { | |
4c476991 JB |
6894 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6895 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
6896 | struct cfg80211_connect_params connect; |
6897 | struct wiphy *wiphy; | |
fffd0934 | 6898 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
6899 | int err; |
6900 | ||
6901 | memset(&connect, 0, sizeof(connect)); | |
6902 | ||
6903 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
6904 | return -EINVAL; | |
6905 | ||
6906 | if (!info->attrs[NL80211_ATTR_SSID] || | |
6907 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
6908 | return -EINVAL; | |
6909 | ||
6910 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
6911 | connect.auth_type = | |
6912 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
6913 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
6914 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
6915 | return -EINVAL; |
6916 | } else | |
6917 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
6918 | ||
6919 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
6920 | ||
c0692b8f | 6921 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 6922 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
6923 | if (err) |
6924 | return err; | |
b23aa676 | 6925 | |
074ac8df | 6926 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6927 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6928 | return -EOPNOTSUPP; | |
b23aa676 | 6929 | |
79c97e97 | 6930 | wiphy = &rdev->wiphy; |
b23aa676 | 6931 | |
4486ea98 BS |
6932 | connect.bg_scan_period = -1; |
6933 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
6934 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
6935 | connect.bg_scan_period = | |
6936 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
6937 | } | |
6938 | ||
b23aa676 SO |
6939 | if (info->attrs[NL80211_ATTR_MAC]) |
6940 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6941 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
6942 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6943 | ||
6944 | if (info->attrs[NL80211_ATTR_IE]) { | |
6945 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6946 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6947 | } | |
6948 | ||
cee00a95 JM |
6949 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
6950 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
6951 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
6952 | connect.mfp != NL80211_MFP_NO) | |
6953 | return -EINVAL; | |
6954 | } else { | |
6955 | connect.mfp = NL80211_MFP_NO; | |
6956 | } | |
6957 | ||
b23aa676 SO |
6958 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
6959 | connect.channel = | |
6960 | ieee80211_get_channel(wiphy, | |
6961 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
6962 | if (!connect.channel || | |
4c476991 JB |
6963 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
6964 | return -EINVAL; | |
b23aa676 SO |
6965 | } |
6966 | ||
fffd0934 JB |
6967 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
6968 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 6969 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
6970 | if (IS_ERR(connkeys)) |
6971 | return PTR_ERR(connkeys); | |
fffd0934 JB |
6972 | } |
6973 | ||
7e7c8926 BG |
6974 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
6975 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
6976 | ||
6977 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6978 | memcpy(&connect.ht_capa_mask, | |
6979 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6980 | sizeof(connect.ht_capa_mask)); | |
6981 | ||
6982 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
6983 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
6984 | kfree(connkeys); | |
7e7c8926 | 6985 | return -EINVAL; |
b4e4f47e | 6986 | } |
7e7c8926 BG |
6987 | memcpy(&connect.ht_capa, |
6988 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6989 | sizeof(connect.ht_capa)); | |
6990 | } | |
6991 | ||
ee2aca34 JB |
6992 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
6993 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
6994 | ||
6995 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
6996 | memcpy(&connect.vht_capa_mask, | |
6997 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6998 | sizeof(connect.vht_capa_mask)); | |
6999 | ||
7000 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7001 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
7002 | kfree(connkeys); | |
7003 | return -EINVAL; | |
7004 | } | |
7005 | memcpy(&connect.vht_capa, | |
7006 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7007 | sizeof(connect.vht_capa)); | |
7008 | } | |
7009 | ||
83739b03 JB |
7010 | wdev_lock(dev->ieee80211_ptr); |
7011 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7012 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 JB |
7013 | if (err) |
7014 | kfree(connkeys); | |
b23aa676 SO |
7015 | return err; |
7016 | } | |
7017 | ||
7018 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7019 | { | |
4c476991 JB |
7020 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7021 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7022 | u16 reason; |
83739b03 | 7023 | int ret; |
b23aa676 SO |
7024 | |
7025 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7026 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7027 | else | |
7028 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7029 | ||
7030 | if (reason == 0) | |
7031 | return -EINVAL; | |
7032 | ||
074ac8df | 7033 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7034 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7035 | return -EOPNOTSUPP; | |
b23aa676 | 7036 | |
83739b03 JB |
7037 | wdev_lock(dev->ieee80211_ptr); |
7038 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7039 | wdev_unlock(dev->ieee80211_ptr); | |
7040 | return ret; | |
b23aa676 SO |
7041 | } |
7042 | ||
463d0183 JB |
7043 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7044 | { | |
4c476991 | 7045 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7046 | struct net *net; |
7047 | int err; | |
7048 | u32 pid; | |
7049 | ||
7050 | if (!info->attrs[NL80211_ATTR_PID]) | |
7051 | return -EINVAL; | |
7052 | ||
7053 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7054 | ||
463d0183 | 7055 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7056 | if (IS_ERR(net)) |
7057 | return PTR_ERR(net); | |
463d0183 JB |
7058 | |
7059 | err = 0; | |
7060 | ||
7061 | /* check if anything to do */ | |
4c476991 JB |
7062 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7063 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7064 | |
463d0183 | 7065 | put_net(net); |
463d0183 JB |
7066 | return err; |
7067 | } | |
7068 | ||
67fbb16b SO |
7069 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7070 | { | |
4c476991 | 7071 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7072 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7073 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7074 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7075 | struct cfg80211_pmksa pmksa; |
7076 | ||
7077 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7078 | ||
7079 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7080 | return -EINVAL; | |
7081 | ||
7082 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7083 | return -EINVAL; | |
7084 | ||
67fbb16b SO |
7085 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7086 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7087 | ||
074ac8df | 7088 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7089 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7090 | return -EOPNOTSUPP; | |
67fbb16b SO |
7091 | |
7092 | switch (info->genlhdr->cmd) { | |
7093 | case NL80211_CMD_SET_PMKSA: | |
7094 | rdev_ops = rdev->ops->set_pmksa; | |
7095 | break; | |
7096 | case NL80211_CMD_DEL_PMKSA: | |
7097 | rdev_ops = rdev->ops->del_pmksa; | |
7098 | break; | |
7099 | default: | |
7100 | WARN_ON(1); | |
7101 | break; | |
7102 | } | |
7103 | ||
4c476991 JB |
7104 | if (!rdev_ops) |
7105 | return -EOPNOTSUPP; | |
67fbb16b | 7106 | |
4c476991 | 7107 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7108 | } |
7109 | ||
7110 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7111 | { | |
4c476991 JB |
7112 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7113 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7114 | |
074ac8df | 7115 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7116 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7117 | return -EOPNOTSUPP; | |
67fbb16b | 7118 | |
4c476991 JB |
7119 | if (!rdev->ops->flush_pmksa) |
7120 | return -EOPNOTSUPP; | |
67fbb16b | 7121 | |
e35e4d28 | 7122 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7123 | } |
7124 | ||
109086ce AN |
7125 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7126 | { | |
7127 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7128 | struct net_device *dev = info->user_ptr[1]; | |
7129 | u8 action_code, dialog_token; | |
7130 | u16 status_code; | |
7131 | u8 *peer; | |
7132 | ||
7133 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7134 | !rdev->ops->tdls_mgmt) | |
7135 | return -EOPNOTSUPP; | |
7136 | ||
7137 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7138 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7139 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7140 | !info->attrs[NL80211_ATTR_IE] || | |
7141 | !info->attrs[NL80211_ATTR_MAC]) | |
7142 | return -EINVAL; | |
7143 | ||
7144 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7145 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7146 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7147 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
7148 | ||
e35e4d28 HG |
7149 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
7150 | dialog_token, status_code, | |
7151 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
7152 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7153 | } |
7154 | ||
7155 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7156 | { | |
7157 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7158 | struct net_device *dev = info->user_ptr[1]; | |
7159 | enum nl80211_tdls_operation operation; | |
7160 | u8 *peer; | |
7161 | ||
7162 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7163 | !rdev->ops->tdls_oper) | |
7164 | return -EOPNOTSUPP; | |
7165 | ||
7166 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7167 | !info->attrs[NL80211_ATTR_MAC]) | |
7168 | return -EINVAL; | |
7169 | ||
7170 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7171 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7172 | ||
e35e4d28 | 7173 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7174 | } |
7175 | ||
9588bbd5 JM |
7176 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7177 | struct genl_info *info) | |
7178 | { | |
4c476991 | 7179 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7180 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7181 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7182 | struct sk_buff *msg; |
7183 | void *hdr; | |
7184 | u64 cookie; | |
683b6d3b | 7185 | u32 duration; |
9588bbd5 JM |
7186 | int err; |
7187 | ||
7188 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7189 | !info->attrs[NL80211_ATTR_DURATION]) | |
7190 | return -EINVAL; | |
7191 | ||
7192 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7193 | ||
ebf348fc JB |
7194 | if (!rdev->ops->remain_on_channel || |
7195 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7196 | return -EOPNOTSUPP; | |
7197 | ||
9588bbd5 | 7198 | /* |
ebf348fc JB |
7199 | * We should be on that channel for at least a minimum amount of |
7200 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7201 | */ |
ebf348fc | 7202 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7203 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7204 | return -EINVAL; |
7205 | ||
683b6d3b JB |
7206 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7207 | if (err) | |
7208 | return err; | |
9588bbd5 JM |
7209 | |
7210 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7211 | if (!msg) |
7212 | return -ENOMEM; | |
9588bbd5 | 7213 | |
15e47304 | 7214 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7215 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7216 | if (!hdr) { |
7217 | err = -ENOBUFS; | |
9588bbd5 JM |
7218 | goto free_msg; |
7219 | } | |
7220 | ||
683b6d3b JB |
7221 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7222 | duration, &cookie); | |
9588bbd5 JM |
7223 | |
7224 | if (err) | |
7225 | goto free_msg; | |
7226 | ||
9360ffd1 DM |
7227 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7228 | goto nla_put_failure; | |
9588bbd5 JM |
7229 | |
7230 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7231 | |
7232 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7233 | |
7234 | nla_put_failure: | |
7235 | err = -ENOBUFS; | |
7236 | free_msg: | |
7237 | nlmsg_free(msg); | |
9588bbd5 JM |
7238 | return err; |
7239 | } | |
7240 | ||
7241 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7242 | struct genl_info *info) | |
7243 | { | |
4c476991 | 7244 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7245 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7246 | u64 cookie; |
9588bbd5 JM |
7247 | |
7248 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7249 | return -EINVAL; | |
7250 | ||
4c476991 JB |
7251 | if (!rdev->ops->cancel_remain_on_channel) |
7252 | return -EOPNOTSUPP; | |
9588bbd5 | 7253 | |
9588bbd5 JM |
7254 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7255 | ||
e35e4d28 | 7256 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7257 | } |
7258 | ||
13ae75b1 JM |
7259 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7260 | u8 *rates, u8 rates_len) | |
7261 | { | |
7262 | u8 i; | |
7263 | u32 mask = 0; | |
7264 | ||
7265 | for (i = 0; i < rates_len; i++) { | |
7266 | int rate = (rates[i] & 0x7f) * 5; | |
7267 | int ridx; | |
7268 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7269 | struct ieee80211_rate *srate = | |
7270 | &sband->bitrates[ridx]; | |
7271 | if (rate == srate->bitrate) { | |
7272 | mask |= 1 << ridx; | |
7273 | break; | |
7274 | } | |
7275 | } | |
7276 | if (ridx == sband->n_bitrates) | |
7277 | return 0; /* rate not found */ | |
7278 | } | |
7279 | ||
7280 | return mask; | |
7281 | } | |
7282 | ||
24db78c0 SW |
7283 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7284 | u8 *rates, u8 rates_len, | |
7285 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7286 | { | |
7287 | u8 i; | |
7288 | ||
7289 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7290 | ||
7291 | for (i = 0; i < rates_len; i++) { | |
7292 | int ridx, rbit; | |
7293 | ||
7294 | ridx = rates[i] / 8; | |
7295 | rbit = BIT(rates[i] % 8); | |
7296 | ||
7297 | /* check validity */ | |
910570b5 | 7298 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7299 | return false; |
7300 | ||
7301 | /* check availability */ | |
7302 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7303 | mcs[ridx] |= rbit; | |
7304 | else | |
7305 | return false; | |
7306 | } | |
7307 | ||
7308 | return true; | |
7309 | } | |
7310 | ||
b54452b0 | 7311 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7312 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7313 | .len = NL80211_MAX_SUPP_RATES }, | |
24db78c0 SW |
7314 | [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, |
7315 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
13ae75b1 JM |
7316 | }; |
7317 | ||
7318 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7319 | struct genl_info *info) | |
7320 | { | |
7321 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7322 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7323 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7324 | int rem, i; |
7325 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7326 | struct nlattr *tx_rates; |
7327 | struct ieee80211_supported_band *sband; | |
7328 | ||
7329 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
7330 | return -EINVAL; | |
7331 | ||
4c476991 JB |
7332 | if (!rdev->ops->set_bitrate_mask) |
7333 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7334 | |
7335 | memset(&mask, 0, sizeof(mask)); | |
7336 | /* Default to all rates enabled */ | |
7337 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7338 | sband = rdev->wiphy.bands[i]; | |
7339 | mask.control[i].legacy = | |
7340 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
24db78c0 SW |
7341 | if (sband) |
7342 | memcpy(mask.control[i].mcs, | |
7343 | sband->ht_cap.mcs.rx_mask, | |
7344 | sizeof(mask.control[i].mcs)); | |
7345 | else | |
7346 | memset(mask.control[i].mcs, 0, | |
7347 | sizeof(mask.control[i].mcs)); | |
13ae75b1 JM |
7348 | } |
7349 | ||
7350 | /* | |
7351 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7352 | * directly to the enum ieee80211_band values used in cfg80211. | |
7353 | */ | |
24db78c0 | 7354 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
13ae75b1 JM |
7355 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
7356 | { | |
7357 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
7358 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7359 | return -EINVAL; | |
13ae75b1 | 7360 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7361 | if (sband == NULL) |
7362 | return -EINVAL; | |
13ae75b1 JM |
7363 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7364 | nla_len(tx_rates), nl80211_txattr_policy); | |
7365 | if (tb[NL80211_TXRATE_LEGACY]) { | |
7366 | mask.control[band].legacy = rateset_to_mask( | |
7367 | sband, | |
7368 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7369 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7370 | if ((mask.control[band].legacy == 0) && |
7371 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7372 | return -EINVAL; | |
24db78c0 SW |
7373 | } |
7374 | if (tb[NL80211_TXRATE_MCS]) { | |
7375 | if (!ht_rateset_to_mask( | |
7376 | sband, | |
7377 | nla_data(tb[NL80211_TXRATE_MCS]), | |
7378 | nla_len(tb[NL80211_TXRATE_MCS]), | |
7379 | mask.control[band].mcs)) | |
7380 | return -EINVAL; | |
7381 | } | |
7382 | ||
7383 | if (mask.control[band].legacy == 0) { | |
7384 | /* don't allow empty legacy rates if HT | |
7385 | * is not even supported. */ | |
7386 | if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) | |
7387 | return -EINVAL; | |
7388 | ||
7389 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
7390 | if (mask.control[band].mcs[i]) | |
7391 | break; | |
7392 | ||
7393 | /* legacy and mcs rates may not be both empty */ | |
7394 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
4c476991 | 7395 | return -EINVAL; |
13ae75b1 JM |
7396 | } |
7397 | } | |
7398 | ||
e35e4d28 | 7399 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7400 | } |
7401 | ||
2e161f78 | 7402 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7403 | { |
4c476991 | 7404 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7405 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7406 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7407 | |
7408 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7409 | return -EINVAL; | |
7410 | ||
2e161f78 JB |
7411 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7412 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7413 | |
71bbc994 JB |
7414 | switch (wdev->iftype) { |
7415 | case NL80211_IFTYPE_STATION: | |
7416 | case NL80211_IFTYPE_ADHOC: | |
7417 | case NL80211_IFTYPE_P2P_CLIENT: | |
7418 | case NL80211_IFTYPE_AP: | |
7419 | case NL80211_IFTYPE_AP_VLAN: | |
7420 | case NL80211_IFTYPE_MESH_POINT: | |
7421 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7422 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7423 | break; |
7424 | default: | |
4c476991 | 7425 | return -EOPNOTSUPP; |
71bbc994 | 7426 | } |
026331c4 JM |
7427 | |
7428 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7429 | if (!rdev->ops->mgmt_tx) |
7430 | return -EOPNOTSUPP; | |
026331c4 | 7431 | |
15e47304 | 7432 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7433 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7434 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7435 | } |
7436 | ||
2e161f78 | 7437 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7438 | { |
4c476991 | 7439 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7440 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7441 | struct cfg80211_chan_def chandef; |
026331c4 | 7442 | int err; |
d64d373f | 7443 | void *hdr = NULL; |
026331c4 | 7444 | u64 cookie; |
e247bd90 | 7445 | struct sk_buff *msg = NULL; |
f7ca38df | 7446 | unsigned int wait = 0; |
e247bd90 JB |
7447 | bool offchan, no_cck, dont_wait_for_ack; |
7448 | ||
7449 | dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; | |
026331c4 | 7450 | |
683b6d3b | 7451 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7452 | return -EINVAL; |
7453 | ||
4c476991 JB |
7454 | if (!rdev->ops->mgmt_tx) |
7455 | return -EOPNOTSUPP; | |
026331c4 | 7456 | |
71bbc994 | 7457 | switch (wdev->iftype) { |
ea141b75 AQ |
7458 | case NL80211_IFTYPE_P2P_DEVICE: |
7459 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7460 | return -EINVAL; | |
71bbc994 JB |
7461 | case NL80211_IFTYPE_STATION: |
7462 | case NL80211_IFTYPE_ADHOC: | |
7463 | case NL80211_IFTYPE_P2P_CLIENT: | |
7464 | case NL80211_IFTYPE_AP: | |
7465 | case NL80211_IFTYPE_AP_VLAN: | |
7466 | case NL80211_IFTYPE_MESH_POINT: | |
7467 | case NL80211_IFTYPE_P2P_GO: | |
7468 | break; | |
7469 | default: | |
4c476991 | 7470 | return -EOPNOTSUPP; |
71bbc994 | 7471 | } |
026331c4 | 7472 | |
f7ca38df | 7473 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7474 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df JB |
7475 | return -EINVAL; |
7476 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
ebf348fc JB |
7477 | |
7478 | /* | |
7479 | * We should wait on the channel for at least a minimum amount | |
7480 | * of time (10ms) but no longer than the driver supports. | |
7481 | */ | |
7482 | if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || | |
7483 | wait > rdev->wiphy.max_remain_on_channel_duration) | |
7484 | return -EINVAL; | |
7485 | ||
f7ca38df JB |
7486 | } |
7487 | ||
f7ca38df JB |
7488 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
7489 | ||
7c4ef712 JB |
7490 | if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7491 | return -EINVAL; | |
7492 | ||
e9f935e3 RM |
7493 | no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
7494 | ||
ea141b75 AQ |
7495 | /* get the channel if any has been specified, otherwise pass NULL to |
7496 | * the driver. The latter will use the current one | |
7497 | */ | |
7498 | chandef.chan = NULL; | |
7499 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
7500 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
7501 | if (err) | |
7502 | return err; | |
7503 | } | |
7504 | ||
7505 | if (!chandef.chan && offchan) | |
7506 | return -EINVAL; | |
026331c4 | 7507 | |
e247bd90 JB |
7508 | if (!dont_wait_for_ack) { |
7509 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
7510 | if (!msg) | |
7511 | return -ENOMEM; | |
026331c4 | 7512 | |
15e47304 | 7513 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7514 | NL80211_CMD_FRAME); |
cb35fba3 DC |
7515 | if (!hdr) { |
7516 | err = -ENOBUFS; | |
e247bd90 JB |
7517 | goto free_msg; |
7518 | } | |
026331c4 | 7519 | } |
e247bd90 | 7520 | |
683b6d3b | 7521 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait, |
2e161f78 JB |
7522 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
7523 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
e247bd90 | 7524 | no_cck, dont_wait_for_ack, &cookie); |
026331c4 JM |
7525 | if (err) |
7526 | goto free_msg; | |
7527 | ||
e247bd90 | 7528 | if (msg) { |
9360ffd1 DM |
7529 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7530 | goto nla_put_failure; | |
026331c4 | 7531 | |
e247bd90 JB |
7532 | genlmsg_end(msg, hdr); |
7533 | return genlmsg_reply(msg, info); | |
7534 | } | |
7535 | ||
7536 | return 0; | |
026331c4 JM |
7537 | |
7538 | nla_put_failure: | |
7539 | err = -ENOBUFS; | |
7540 | free_msg: | |
7541 | nlmsg_free(msg); | |
026331c4 JM |
7542 | return err; |
7543 | } | |
7544 | ||
f7ca38df JB |
7545 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7546 | { | |
7547 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7548 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7549 | u64 cookie; |
7550 | ||
7551 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7552 | return -EINVAL; | |
7553 | ||
7554 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7555 | return -EOPNOTSUPP; | |
7556 | ||
71bbc994 JB |
7557 | switch (wdev->iftype) { |
7558 | case NL80211_IFTYPE_STATION: | |
7559 | case NL80211_IFTYPE_ADHOC: | |
7560 | case NL80211_IFTYPE_P2P_CLIENT: | |
7561 | case NL80211_IFTYPE_AP: | |
7562 | case NL80211_IFTYPE_AP_VLAN: | |
7563 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7564 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7565 | break; |
7566 | default: | |
f7ca38df | 7567 | return -EOPNOTSUPP; |
71bbc994 | 7568 | } |
f7ca38df JB |
7569 | |
7570 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7571 | ||
e35e4d28 | 7572 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7573 | } |
7574 | ||
ffb9eb3d KV |
7575 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7576 | { | |
4c476991 | 7577 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7578 | struct wireless_dev *wdev; |
4c476991 | 7579 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7580 | u8 ps_state; |
7581 | bool state; | |
7582 | int err; | |
7583 | ||
4c476991 JB |
7584 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7585 | return -EINVAL; | |
ffb9eb3d KV |
7586 | |
7587 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7588 | ||
4c476991 JB |
7589 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7590 | return -EINVAL; | |
ffb9eb3d KV |
7591 | |
7592 | wdev = dev->ieee80211_ptr; | |
7593 | ||
4c476991 JB |
7594 | if (!rdev->ops->set_power_mgmt) |
7595 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7596 | |
7597 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7598 | ||
7599 | if (state == wdev->ps) | |
4c476991 | 7600 | return 0; |
ffb9eb3d | 7601 | |
e35e4d28 | 7602 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7603 | if (!err) |
7604 | wdev->ps = state; | |
ffb9eb3d KV |
7605 | return err; |
7606 | } | |
7607 | ||
7608 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7609 | { | |
4c476991 | 7610 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7611 | enum nl80211_ps_state ps_state; |
7612 | struct wireless_dev *wdev; | |
4c476991 | 7613 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7614 | struct sk_buff *msg; |
7615 | void *hdr; | |
7616 | int err; | |
7617 | ||
ffb9eb3d KV |
7618 | wdev = dev->ieee80211_ptr; |
7619 | ||
4c476991 JB |
7620 | if (!rdev->ops->set_power_mgmt) |
7621 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7622 | |
7623 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7624 | if (!msg) |
7625 | return -ENOMEM; | |
ffb9eb3d | 7626 | |
15e47304 | 7627 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
7628 | NL80211_CMD_GET_POWER_SAVE); |
7629 | if (!hdr) { | |
4c476991 | 7630 | err = -ENOBUFS; |
ffb9eb3d KV |
7631 | goto free_msg; |
7632 | } | |
7633 | ||
7634 | if (wdev->ps) | |
7635 | ps_state = NL80211_PS_ENABLED; | |
7636 | else | |
7637 | ps_state = NL80211_PS_DISABLED; | |
7638 | ||
9360ffd1 DM |
7639 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
7640 | goto nla_put_failure; | |
ffb9eb3d KV |
7641 | |
7642 | genlmsg_end(msg, hdr); | |
4c476991 | 7643 | return genlmsg_reply(msg, info); |
ffb9eb3d | 7644 | |
4c476991 | 7645 | nla_put_failure: |
ffb9eb3d | 7646 | err = -ENOBUFS; |
4c476991 | 7647 | free_msg: |
ffb9eb3d | 7648 | nlmsg_free(msg); |
ffb9eb3d KV |
7649 | return err; |
7650 | } | |
7651 | ||
d6dc1a38 JO |
7652 | static struct nla_policy |
7653 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
7654 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
7655 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
7656 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
7657 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
7658 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
7659 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
7660 | }; |
7661 | ||
84f10708 | 7662 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 7663 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
7664 | { |
7665 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 7666 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7667 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 7668 | |
d9d8b019 | 7669 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
7670 | return -EINVAL; |
7671 | ||
84f10708 TP |
7672 | if (!rdev->ops->set_cqm_txe_config) |
7673 | return -EOPNOTSUPP; | |
7674 | ||
7675 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
7676 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
7677 | return -EOPNOTSUPP; | |
7678 | ||
e35e4d28 | 7679 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
7680 | } |
7681 | ||
d6dc1a38 JO |
7682 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
7683 | s32 threshold, u32 hysteresis) | |
7684 | { | |
4c476991 | 7685 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 7686 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7687 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
7688 | |
7689 | if (threshold > 0) | |
7690 | return -EINVAL; | |
7691 | ||
1da5fcc8 JB |
7692 | /* disabling - hysteresis should also be zero then */ |
7693 | if (threshold == 0) | |
7694 | hysteresis = 0; | |
d6dc1a38 | 7695 | |
4c476991 JB |
7696 | if (!rdev->ops->set_cqm_rssi_config) |
7697 | return -EOPNOTSUPP; | |
d6dc1a38 | 7698 | |
074ac8df | 7699 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7700 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7701 | return -EOPNOTSUPP; | |
d6dc1a38 | 7702 | |
e35e4d28 | 7703 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
7704 | } |
7705 | ||
7706 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
7707 | { | |
7708 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
7709 | struct nlattr *cqm; | |
7710 | int err; | |
7711 | ||
7712 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
7713 | if (!cqm) |
7714 | return -EINVAL; | |
d6dc1a38 JO |
7715 | |
7716 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
7717 | nl80211_attr_cqm_policy); | |
7718 | if (err) | |
1da5fcc8 | 7719 | return err; |
d6dc1a38 JO |
7720 | |
7721 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
7722 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
7723 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
7724 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 7725 | |
1da5fcc8 JB |
7726 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
7727 | } | |
7728 | ||
7729 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
7730 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
7731 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
7732 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
7733 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
7734 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
7735 | ||
7736 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
7737 | } | |
7738 | ||
7739 | return -EINVAL; | |
d6dc1a38 JO |
7740 | } |
7741 | ||
29cbe68c JB |
7742 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
7743 | { | |
7744 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7745 | struct net_device *dev = info->user_ptr[1]; | |
7746 | struct mesh_config cfg; | |
c80d545d | 7747 | struct mesh_setup setup; |
29cbe68c JB |
7748 | int err; |
7749 | ||
7750 | /* start with default */ | |
7751 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 7752 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 7753 | |
24bdd9f4 | 7754 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 7755 | /* and parse parameters if given */ |
24bdd9f4 | 7756 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
7757 | if (err) |
7758 | return err; | |
7759 | } | |
7760 | ||
7761 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
7762 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
7763 | return -EINVAL; | |
7764 | ||
c80d545d JC |
7765 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
7766 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
7767 | ||
4bb62344 CYY |
7768 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7769 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
7770 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7771 | return -EINVAL; | |
7772 | ||
9bdbf04d MP |
7773 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
7774 | setup.beacon_interval = | |
7775 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7776 | if (setup.beacon_interval < 10 || | |
7777 | setup.beacon_interval > 10000) | |
7778 | return -EINVAL; | |
7779 | } | |
7780 | ||
7781 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
7782 | setup.dtim_period = | |
7783 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
7784 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
7785 | return -EINVAL; | |
7786 | } | |
7787 | ||
c80d545d JC |
7788 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
7789 | /* parse additional setup parameters if given */ | |
7790 | err = nl80211_parse_mesh_setup(info, &setup); | |
7791 | if (err) | |
7792 | return err; | |
7793 | } | |
7794 | ||
d37bb18a TP |
7795 | if (setup.user_mpm) |
7796 | cfg.auto_open_plinks = false; | |
7797 | ||
cc1d2806 | 7798 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
7799 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
7800 | if (err) | |
7801 | return err; | |
cc1d2806 JB |
7802 | } else { |
7803 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 7804 | setup.chandef.chan = NULL; |
cc1d2806 JB |
7805 | } |
7806 | ||
ffb3cf30 AN |
7807 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7808 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7809 | int n_rates = | |
7810 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7811 | struct ieee80211_supported_band *sband; | |
7812 | ||
7813 | if (!setup.chandef.chan) | |
7814 | return -EINVAL; | |
7815 | ||
7816 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
7817 | ||
7818 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
7819 | &setup.basic_rates); | |
7820 | if (err) | |
7821 | return err; | |
7822 | } | |
7823 | ||
c80d545d | 7824 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
7825 | } |
7826 | ||
7827 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
7828 | { | |
7829 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7830 | struct net_device *dev = info->user_ptr[1]; | |
7831 | ||
7832 | return cfg80211_leave_mesh(rdev, dev); | |
7833 | } | |
7834 | ||
dfb89c56 | 7835 | #ifdef CONFIG_PM |
bb92d199 AK |
7836 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
7837 | struct cfg80211_registered_device *rdev) | |
7838 | { | |
6abb9cb9 | 7839 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
7840 | struct nlattr *nl_pats, *nl_pat; |
7841 | int i, pat_len; | |
7842 | ||
6abb9cb9 | 7843 | if (!wowlan->n_patterns) |
bb92d199 AK |
7844 | return 0; |
7845 | ||
7846 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
7847 | if (!nl_pats) | |
7848 | return -ENOBUFS; | |
7849 | ||
6abb9cb9 | 7850 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
7851 | nl_pat = nla_nest_start(msg, i + 1); |
7852 | if (!nl_pat) | |
7853 | return -ENOBUFS; | |
6abb9cb9 | 7854 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 7855 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 7856 | wowlan->patterns[i].mask) || |
50ac6607 AK |
7857 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
7858 | wowlan->patterns[i].pattern) || | |
7859 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 7860 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
7861 | return -ENOBUFS; |
7862 | nla_nest_end(msg, nl_pat); | |
7863 | } | |
7864 | nla_nest_end(msg, nl_pats); | |
7865 | ||
7866 | return 0; | |
7867 | } | |
7868 | ||
2a0e047e JB |
7869 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
7870 | struct cfg80211_wowlan_tcp *tcp) | |
7871 | { | |
7872 | struct nlattr *nl_tcp; | |
7873 | ||
7874 | if (!tcp) | |
7875 | return 0; | |
7876 | ||
7877 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
7878 | if (!nl_tcp) | |
7879 | return -ENOBUFS; | |
7880 | ||
7881 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
7882 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
7883 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
7884 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
7885 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
7886 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
7887 | tcp->payload_len, tcp->payload) || | |
7888 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
7889 | tcp->data_interval) || | |
7890 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
7891 | tcp->wake_len, tcp->wake_data) || | |
7892 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
7893 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
7894 | return -ENOBUFS; | |
7895 | ||
7896 | if (tcp->payload_seq.len && | |
7897 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
7898 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
7899 | return -ENOBUFS; | |
7900 | ||
7901 | if (tcp->payload_tok.len && | |
7902 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
7903 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
7904 | &tcp->payload_tok)) | |
7905 | return -ENOBUFS; | |
7906 | ||
e248ad30 JB |
7907 | nla_nest_end(msg, nl_tcp); |
7908 | ||
2a0e047e JB |
7909 | return 0; |
7910 | } | |
7911 | ||
ff1b6e69 JB |
7912 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
7913 | { | |
7914 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7915 | struct sk_buff *msg; | |
7916 | void *hdr; | |
2a0e047e | 7917 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 7918 | |
964dc9e2 | 7919 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
7920 | return -EOPNOTSUPP; |
7921 | ||
6abb9cb9 | 7922 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 7923 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
7924 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
7925 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
7926 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
7927 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
7928 | } |
7929 | ||
7930 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
7931 | if (!msg) |
7932 | return -ENOMEM; | |
7933 | ||
15e47304 | 7934 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
7935 | NL80211_CMD_GET_WOWLAN); |
7936 | if (!hdr) | |
7937 | goto nla_put_failure; | |
7938 | ||
6abb9cb9 | 7939 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
7940 | struct nlattr *nl_wowlan; |
7941 | ||
7942 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7943 | if (!nl_wowlan) | |
7944 | goto nla_put_failure; | |
7945 | ||
6abb9cb9 | 7946 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 7947 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 7948 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 7949 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 7950 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 7951 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 7952 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 7953 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 7954 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 7955 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 7956 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 7957 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 7958 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
7959 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
7960 | goto nla_put_failure; | |
2a0e047e | 7961 | |
bb92d199 AK |
7962 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
7963 | goto nla_put_failure; | |
2a0e047e | 7964 | |
6abb9cb9 JB |
7965 | if (nl80211_send_wowlan_tcp(msg, |
7966 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
7967 | goto nla_put_failure; |
7968 | ||
ff1b6e69 JB |
7969 | nla_nest_end(msg, nl_wowlan); |
7970 | } | |
7971 | ||
7972 | genlmsg_end(msg, hdr); | |
7973 | return genlmsg_reply(msg, info); | |
7974 | ||
7975 | nla_put_failure: | |
7976 | nlmsg_free(msg); | |
7977 | return -ENOBUFS; | |
7978 | } | |
7979 | ||
2a0e047e JB |
7980 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
7981 | struct nlattr *attr, | |
7982 | struct cfg80211_wowlan *trig) | |
7983 | { | |
7984 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
7985 | struct cfg80211_wowlan_tcp *cfg; | |
7986 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
7987 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
7988 | u32 size; | |
7989 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
7990 | int err, port; | |
7991 | ||
964dc9e2 | 7992 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
7993 | return -EINVAL; |
7994 | ||
7995 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
7996 | nla_data(attr), nla_len(attr), | |
7997 | nl80211_wowlan_tcp_policy); | |
7998 | if (err) | |
7999 | return err; | |
8000 | ||
8001 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8002 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8003 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8004 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8005 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8006 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8007 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8008 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8009 | return -EINVAL; | |
8010 | ||
8011 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8012 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8013 | return -EINVAL; |
8014 | ||
8015 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8016 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8017 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8018 | return -EINVAL; |
8019 | ||
8020 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8021 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8022 | return -EINVAL; |
8023 | ||
8024 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8025 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8026 | return -EINVAL; | |
8027 | ||
8028 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8029 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8030 | ||
8031 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8032 | tokens_size = tokln - sizeof(*tok); | |
8033 | ||
8034 | if (!tok->len || tokens_size % tok->len) | |
8035 | return -EINVAL; | |
964dc9e2 | 8036 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8037 | return -EINVAL; |
964dc9e2 | 8038 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8039 | return -EINVAL; |
964dc9e2 | 8040 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8041 | return -EINVAL; |
964dc9e2 | 8042 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8043 | return -EINVAL; |
8044 | if (tok->offset + tok->len > data_size) | |
8045 | return -EINVAL; | |
8046 | } | |
8047 | ||
8048 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8049 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8050 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8051 | return -EINVAL; |
8052 | if (seq->len == 0 || seq->len > 4) | |
8053 | return -EINVAL; | |
8054 | if (seq->len + seq->offset > data_size) | |
8055 | return -EINVAL; | |
8056 | } | |
8057 | ||
8058 | size = sizeof(*cfg); | |
8059 | size += data_size; | |
8060 | size += wake_size + wake_mask_size; | |
8061 | size += tokens_size; | |
8062 | ||
8063 | cfg = kzalloc(size, GFP_KERNEL); | |
8064 | if (!cfg) | |
8065 | return -ENOMEM; | |
8066 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8067 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8068 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8069 | ETH_ALEN); | |
8070 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8071 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8072 | else | |
8073 | port = 0; | |
8074 | #ifdef CONFIG_INET | |
8075 | /* allocate a socket and port for it and use it */ | |
8076 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8077 | IPPROTO_TCP, &cfg->sock, 1); | |
8078 | if (err) { | |
8079 | kfree(cfg); | |
8080 | return err; | |
8081 | } | |
8082 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8083 | sock_release(cfg->sock); | |
8084 | kfree(cfg); | |
8085 | return -EADDRINUSE; | |
8086 | } | |
8087 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8088 | #else | |
8089 | if (!port) { | |
8090 | kfree(cfg); | |
8091 | return -EINVAL; | |
8092 | } | |
8093 | cfg->src_port = port; | |
8094 | #endif | |
8095 | ||
8096 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8097 | cfg->payload_len = data_size; | |
8098 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8099 | memcpy((void *)cfg->payload, | |
8100 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8101 | data_size); | |
8102 | if (seq) | |
8103 | cfg->payload_seq = *seq; | |
8104 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8105 | cfg->wake_len = wake_size; | |
8106 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8107 | memcpy((void *)cfg->wake_data, | |
8108 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8109 | wake_size); | |
8110 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8111 | data_size + wake_size; | |
8112 | memcpy((void *)cfg->wake_mask, | |
8113 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8114 | wake_mask_size); | |
8115 | if (tok) { | |
8116 | cfg->tokens_size = tokens_size; | |
8117 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8118 | } | |
8119 | ||
8120 | trig->tcp = cfg; | |
8121 | ||
8122 | return 0; | |
8123 | } | |
8124 | ||
ff1b6e69 JB |
8125 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8126 | { | |
8127 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8128 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8129 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8130 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8131 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8132 | int err, i; |
6abb9cb9 | 8133 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8134 | |
964dc9e2 | 8135 | if (!wowlan) |
ff1b6e69 JB |
8136 | return -EOPNOTSUPP; |
8137 | ||
ae33bd81 JB |
8138 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8139 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8140 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8141 | goto set_wakeup; |
8142 | } | |
ff1b6e69 JB |
8143 | |
8144 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8145 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8146 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8147 | nl80211_wowlan_policy); | |
8148 | if (err) | |
8149 | return err; | |
8150 | ||
8151 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8152 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8153 | return -EINVAL; | |
8154 | new_triggers.any = true; | |
8155 | } | |
8156 | ||
8157 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8158 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8159 | return -EINVAL; | |
8160 | new_triggers.disconnect = true; | |
8161 | } | |
8162 | ||
8163 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8164 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8165 | return -EINVAL; | |
8166 | new_triggers.magic_pkt = true; | |
8167 | } | |
8168 | ||
77dbbb13 JB |
8169 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8170 | return -EINVAL; | |
8171 | ||
8172 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8173 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8174 | return -EINVAL; | |
8175 | new_triggers.gtk_rekey_failure = true; | |
8176 | } | |
8177 | ||
8178 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8179 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8180 | return -EINVAL; | |
8181 | new_triggers.eap_identity_req = true; | |
8182 | } | |
8183 | ||
8184 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8185 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8186 | return -EINVAL; | |
8187 | new_triggers.four_way_handshake = true; | |
8188 | } | |
8189 | ||
8190 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8191 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8192 | return -EINVAL; | |
8193 | new_triggers.rfkill_release = true; | |
8194 | } | |
8195 | ||
ff1b6e69 JB |
8196 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8197 | struct nlattr *pat; | |
8198 | int n_patterns = 0; | |
bb92d199 | 8199 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8200 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8201 | |
8202 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8203 | rem) | |
8204 | n_patterns++; | |
8205 | if (n_patterns > wowlan->n_patterns) | |
8206 | return -EINVAL; | |
8207 | ||
8208 | new_triggers.patterns = kcalloc(n_patterns, | |
8209 | sizeof(new_triggers.patterns[0]), | |
8210 | GFP_KERNEL); | |
8211 | if (!new_triggers.patterns) | |
8212 | return -ENOMEM; | |
8213 | ||
8214 | new_triggers.n_patterns = n_patterns; | |
8215 | i = 0; | |
8216 | ||
8217 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8218 | rem) { | |
50ac6607 AK |
8219 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8220 | nla_len(pat), NULL); | |
ff1b6e69 | 8221 | err = -EINVAL; |
50ac6607 AK |
8222 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8223 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8224 | goto error; |
50ac6607 | 8225 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8226 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8227 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8228 | goto error; |
8229 | if (pat_len > wowlan->pattern_max_len || | |
8230 | pat_len < wowlan->pattern_min_len) | |
8231 | goto error; | |
8232 | ||
50ac6607 | 8233 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8234 | pkt_offset = 0; |
8235 | else | |
8236 | pkt_offset = nla_get_u32( | |
50ac6607 | 8237 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8238 | if (pkt_offset > wowlan->max_pkt_offset) |
8239 | goto error; | |
8240 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8241 | ||
ff1b6e69 JB |
8242 | new_triggers.patterns[i].mask = |
8243 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8244 | if (!new_triggers.patterns[i].mask) { | |
8245 | err = -ENOMEM; | |
8246 | goto error; | |
8247 | } | |
8248 | new_triggers.patterns[i].pattern = | |
8249 | new_triggers.patterns[i].mask + mask_len; | |
8250 | memcpy(new_triggers.patterns[i].mask, | |
50ac6607 | 8251 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), |
ff1b6e69 JB |
8252 | mask_len); |
8253 | new_triggers.patterns[i].pattern_len = pat_len; | |
8254 | memcpy(new_triggers.patterns[i].pattern, | |
50ac6607 | 8255 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8256 | pat_len); |
8257 | i++; | |
8258 | } | |
8259 | } | |
8260 | ||
2a0e047e JB |
8261 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8262 | err = nl80211_parse_wowlan_tcp( | |
8263 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8264 | &new_triggers); | |
8265 | if (err) | |
8266 | goto error; | |
8267 | } | |
8268 | ||
ae33bd81 JB |
8269 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
8270 | if (!ntrig) { | |
8271 | err = -ENOMEM; | |
8272 | goto error; | |
ff1b6e69 | 8273 | } |
ae33bd81 | 8274 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 8275 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 8276 | |
ae33bd81 | 8277 | set_wakeup: |
6abb9cb9 JB |
8278 | if (rdev->ops->set_wakeup && |
8279 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
8280 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 8281 | |
ff1b6e69 JB |
8282 | return 0; |
8283 | error: | |
8284 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8285 | kfree(new_triggers.patterns[i].mask); | |
8286 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8287 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8288 | sock_release(new_triggers.tcp->sock); | |
8289 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8290 | return err; |
8291 | } | |
dfb89c56 | 8292 | #endif |
ff1b6e69 | 8293 | |
be29b99a AK |
8294 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
8295 | struct cfg80211_registered_device *rdev) | |
8296 | { | |
8297 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
8298 | int i, j, pat_len; | |
8299 | struct cfg80211_coalesce_rules *rule; | |
8300 | ||
8301 | if (!rdev->coalesce->n_rules) | |
8302 | return 0; | |
8303 | ||
8304 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
8305 | if (!nl_rules) | |
8306 | return -ENOBUFS; | |
8307 | ||
8308 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
8309 | nl_rule = nla_nest_start(msg, i + 1); | |
8310 | if (!nl_rule) | |
8311 | return -ENOBUFS; | |
8312 | ||
8313 | rule = &rdev->coalesce->rules[i]; | |
8314 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
8315 | rule->delay)) | |
8316 | return -ENOBUFS; | |
8317 | ||
8318 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
8319 | rule->condition)) | |
8320 | return -ENOBUFS; | |
8321 | ||
8322 | nl_pats = nla_nest_start(msg, | |
8323 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
8324 | if (!nl_pats) | |
8325 | return -ENOBUFS; | |
8326 | ||
8327 | for (j = 0; j < rule->n_patterns; j++) { | |
8328 | nl_pat = nla_nest_start(msg, j + 1); | |
8329 | if (!nl_pat) | |
8330 | return -ENOBUFS; | |
8331 | pat_len = rule->patterns[j].pattern_len; | |
8332 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
8333 | DIV_ROUND_UP(pat_len, 8), | |
8334 | rule->patterns[j].mask) || | |
8335 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
8336 | rule->patterns[j].pattern) || | |
8337 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
8338 | rule->patterns[j].pkt_offset)) | |
8339 | return -ENOBUFS; | |
8340 | nla_nest_end(msg, nl_pat); | |
8341 | } | |
8342 | nla_nest_end(msg, nl_pats); | |
8343 | nla_nest_end(msg, nl_rule); | |
8344 | } | |
8345 | nla_nest_end(msg, nl_rules); | |
8346 | ||
8347 | return 0; | |
8348 | } | |
8349 | ||
8350 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8351 | { | |
8352 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8353 | struct sk_buff *msg; | |
8354 | void *hdr; | |
8355 | ||
8356 | if (!rdev->wiphy.coalesce) | |
8357 | return -EOPNOTSUPP; | |
8358 | ||
8359 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8360 | if (!msg) | |
8361 | return -ENOMEM; | |
8362 | ||
8363 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8364 | NL80211_CMD_GET_COALESCE); | |
8365 | if (!hdr) | |
8366 | goto nla_put_failure; | |
8367 | ||
8368 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
8369 | goto nla_put_failure; | |
8370 | ||
8371 | genlmsg_end(msg, hdr); | |
8372 | return genlmsg_reply(msg, info); | |
8373 | ||
8374 | nla_put_failure: | |
8375 | nlmsg_free(msg); | |
8376 | return -ENOBUFS; | |
8377 | } | |
8378 | ||
8379 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
8380 | { | |
8381 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
8382 | int i, j; | |
8383 | struct cfg80211_coalesce_rules *rule; | |
8384 | ||
8385 | if (!coalesce) | |
8386 | return; | |
8387 | ||
8388 | for (i = 0; i < coalesce->n_rules; i++) { | |
8389 | rule = &coalesce->rules[i]; | |
8390 | for (j = 0; j < rule->n_patterns; j++) | |
8391 | kfree(rule->patterns[j].mask); | |
8392 | kfree(rule->patterns); | |
8393 | } | |
8394 | kfree(coalesce->rules); | |
8395 | kfree(coalesce); | |
8396 | rdev->coalesce = NULL; | |
8397 | } | |
8398 | ||
8399 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
8400 | struct nlattr *rule, | |
8401 | struct cfg80211_coalesce_rules *new_rule) | |
8402 | { | |
8403 | int err, i; | |
8404 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8405 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
8406 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
8407 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
8408 | ||
8409 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
8410 | nla_len(rule), nl80211_coalesce_policy); | |
8411 | if (err) | |
8412 | return err; | |
8413 | ||
8414 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
8415 | new_rule->delay = | |
8416 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
8417 | if (new_rule->delay > coalesce->max_delay) | |
8418 | return -EINVAL; | |
8419 | ||
8420 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
8421 | new_rule->condition = | |
8422 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
8423 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
8424 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
8425 | return -EINVAL; | |
8426 | ||
8427 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
8428 | return -EINVAL; | |
8429 | ||
8430 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8431 | rem) | |
8432 | n_patterns++; | |
8433 | if (n_patterns > coalesce->n_patterns) | |
8434 | return -EINVAL; | |
8435 | ||
8436 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
8437 | GFP_KERNEL); | |
8438 | if (!new_rule->patterns) | |
8439 | return -ENOMEM; | |
8440 | ||
8441 | new_rule->n_patterns = n_patterns; | |
8442 | i = 0; | |
8443 | ||
8444 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8445 | rem) { | |
8446 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), | |
8447 | nla_len(pat), NULL); | |
8448 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
8449 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
8450 | return -EINVAL; | |
8451 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
8452 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
8453 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
8454 | return -EINVAL; | |
8455 | if (pat_len > coalesce->pattern_max_len || | |
8456 | pat_len < coalesce->pattern_min_len) | |
8457 | return -EINVAL; | |
8458 | ||
8459 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
8460 | pkt_offset = 0; | |
8461 | else | |
8462 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
8463 | if (pkt_offset > coalesce->max_pkt_offset) | |
8464 | return -EINVAL; | |
8465 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
8466 | ||
8467 | new_rule->patterns[i].mask = | |
8468 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8469 | if (!new_rule->patterns[i].mask) | |
8470 | return -ENOMEM; | |
8471 | new_rule->patterns[i].pattern = | |
8472 | new_rule->patterns[i].mask + mask_len; | |
8473 | memcpy(new_rule->patterns[i].mask, | |
8474 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len); | |
8475 | new_rule->patterns[i].pattern_len = pat_len; | |
8476 | memcpy(new_rule->patterns[i].pattern, | |
8477 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len); | |
8478 | i++; | |
8479 | } | |
8480 | ||
8481 | return 0; | |
8482 | } | |
8483 | ||
8484 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8485 | { | |
8486 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8487 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8488 | struct cfg80211_coalesce new_coalesce = {}; | |
8489 | struct cfg80211_coalesce *n_coalesce; | |
8490 | int err, rem_rule, n_rules = 0, i, j; | |
8491 | struct nlattr *rule; | |
8492 | struct cfg80211_coalesce_rules *tmp_rule; | |
8493 | ||
8494 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
8495 | return -EOPNOTSUPP; | |
8496 | ||
8497 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
8498 | cfg80211_rdev_free_coalesce(rdev); | |
8499 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
8500 | return 0; | |
8501 | } | |
8502 | ||
8503 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8504 | rem_rule) | |
8505 | n_rules++; | |
8506 | if (n_rules > coalesce->n_rules) | |
8507 | return -EINVAL; | |
8508 | ||
8509 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
8510 | GFP_KERNEL); | |
8511 | if (!new_coalesce.rules) | |
8512 | return -ENOMEM; | |
8513 | ||
8514 | new_coalesce.n_rules = n_rules; | |
8515 | i = 0; | |
8516 | ||
8517 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8518 | rem_rule) { | |
8519 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
8520 | &new_coalesce.rules[i]); | |
8521 | if (err) | |
8522 | goto error; | |
8523 | ||
8524 | i++; | |
8525 | } | |
8526 | ||
8527 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
8528 | if (err) | |
8529 | goto error; | |
8530 | ||
8531 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
8532 | if (!n_coalesce) { | |
8533 | err = -ENOMEM; | |
8534 | goto error; | |
8535 | } | |
8536 | cfg80211_rdev_free_coalesce(rdev); | |
8537 | rdev->coalesce = n_coalesce; | |
8538 | ||
8539 | return 0; | |
8540 | error: | |
8541 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
8542 | tmp_rule = &new_coalesce.rules[i]; | |
8543 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
8544 | kfree(tmp_rule->patterns[j].mask); | |
8545 | kfree(tmp_rule->patterns); | |
8546 | } | |
8547 | kfree(new_coalesce.rules); | |
8548 | ||
8549 | return err; | |
8550 | } | |
8551 | ||
e5497d76 JB |
8552 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8553 | { | |
8554 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8555 | struct net_device *dev = info->user_ptr[1]; | |
8556 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8557 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8558 | struct cfg80211_gtk_rekey_data rekey_data; | |
8559 | int err; | |
8560 | ||
8561 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8562 | return -EINVAL; | |
8563 | ||
8564 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8565 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8566 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8567 | nl80211_rekey_policy); | |
8568 | if (err) | |
8569 | return err; | |
8570 | ||
8571 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8572 | return -ERANGE; | |
8573 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8574 | return -ERANGE; | |
8575 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8576 | return -ERANGE; | |
8577 | ||
8578 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
8579 | NL80211_KEK_LEN); | |
8580 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
8581 | NL80211_KCK_LEN); | |
8582 | memcpy(rekey_data.replay_ctr, | |
8583 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
8584 | NL80211_REPLAY_CTR_LEN); | |
8585 | ||
8586 | wdev_lock(wdev); | |
8587 | if (!wdev->current_bss) { | |
8588 | err = -ENOTCONN; | |
8589 | goto out; | |
8590 | } | |
8591 | ||
8592 | if (!rdev->ops->set_rekey_data) { | |
8593 | err = -EOPNOTSUPP; | |
8594 | goto out; | |
8595 | } | |
8596 | ||
e35e4d28 | 8597 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8598 | out: |
8599 | wdev_unlock(wdev); | |
8600 | return err; | |
8601 | } | |
8602 | ||
28946da7 JB |
8603 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8604 | struct genl_info *info) | |
8605 | { | |
8606 | struct net_device *dev = info->user_ptr[1]; | |
8607 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8608 | ||
8609 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8610 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8611 | return -EINVAL; | |
8612 | ||
15e47304 | 8613 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
8614 | return -EBUSY; |
8615 | ||
15e47304 | 8616 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
8617 | return 0; |
8618 | } | |
8619 | ||
7f6cf311 JB |
8620 | static int nl80211_probe_client(struct sk_buff *skb, |
8621 | struct genl_info *info) | |
8622 | { | |
8623 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8624 | struct net_device *dev = info->user_ptr[1]; | |
8625 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8626 | struct sk_buff *msg; | |
8627 | void *hdr; | |
8628 | const u8 *addr; | |
8629 | u64 cookie; | |
8630 | int err; | |
8631 | ||
8632 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8633 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8634 | return -EOPNOTSUPP; | |
8635 | ||
8636 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8637 | return -EINVAL; | |
8638 | ||
8639 | if (!rdev->ops->probe_client) | |
8640 | return -EOPNOTSUPP; | |
8641 | ||
8642 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8643 | if (!msg) | |
8644 | return -ENOMEM; | |
8645 | ||
15e47304 | 8646 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 8647 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
8648 | if (!hdr) { |
8649 | err = -ENOBUFS; | |
7f6cf311 JB |
8650 | goto free_msg; |
8651 | } | |
8652 | ||
8653 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8654 | ||
e35e4d28 | 8655 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
8656 | if (err) |
8657 | goto free_msg; | |
8658 | ||
9360ffd1 DM |
8659 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8660 | goto nla_put_failure; | |
7f6cf311 JB |
8661 | |
8662 | genlmsg_end(msg, hdr); | |
8663 | ||
8664 | return genlmsg_reply(msg, info); | |
8665 | ||
8666 | nla_put_failure: | |
8667 | err = -ENOBUFS; | |
8668 | free_msg: | |
8669 | nlmsg_free(msg); | |
8670 | return err; | |
8671 | } | |
8672 | ||
5e760230 JB |
8673 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
8674 | { | |
8675 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
8676 | struct cfg80211_beacon_registration *reg, *nreg; |
8677 | int rv; | |
5e760230 JB |
8678 | |
8679 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
8680 | return -EOPNOTSUPP; | |
8681 | ||
37c73b5f BG |
8682 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
8683 | if (!nreg) | |
8684 | return -ENOMEM; | |
8685 | ||
8686 | /* First, check if already registered. */ | |
8687 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
8688 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
8689 | if (reg->nlportid == info->snd_portid) { | |
8690 | rv = -EALREADY; | |
8691 | goto out_err; | |
8692 | } | |
8693 | } | |
8694 | /* Add it to the list */ | |
8695 | nreg->nlportid = info->snd_portid; | |
8696 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 8697 | |
37c73b5f | 8698 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
8699 | |
8700 | return 0; | |
37c73b5f BG |
8701 | out_err: |
8702 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
8703 | kfree(nreg); | |
8704 | return rv; | |
5e760230 JB |
8705 | } |
8706 | ||
98104fde JB |
8707 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
8708 | { | |
8709 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8710 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8711 | int err; | |
8712 | ||
8713 | if (!rdev->ops->start_p2p_device) | |
8714 | return -EOPNOTSUPP; | |
8715 | ||
8716 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8717 | return -EOPNOTSUPP; | |
8718 | ||
8719 | if (wdev->p2p_started) | |
8720 | return 0; | |
8721 | ||
98104fde | 8722 | err = cfg80211_can_add_interface(rdev, wdev->iftype); |
98104fde JB |
8723 | if (err) |
8724 | return err; | |
8725 | ||
eeb126e9 | 8726 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
8727 | if (err) |
8728 | return err; | |
8729 | ||
8730 | wdev->p2p_started = true; | |
98104fde | 8731 | rdev->opencount++; |
98104fde JB |
8732 | |
8733 | return 0; | |
8734 | } | |
8735 | ||
8736 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
8737 | { | |
8738 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8739 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8740 | ||
8741 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8742 | return -EOPNOTSUPP; | |
8743 | ||
8744 | if (!rdev->ops->stop_p2p_device) | |
8745 | return -EOPNOTSUPP; | |
8746 | ||
f9f47529 | 8747 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
8748 | |
8749 | return 0; | |
8750 | } | |
8751 | ||
3713b4e3 JB |
8752 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
8753 | struct genl_info *info) | |
8754 | { | |
8755 | void *hdr; | |
8756 | struct sk_buff *msg; | |
8757 | ||
8758 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8759 | if (!msg) | |
8760 | return -ENOMEM; | |
8761 | ||
8762 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8763 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
8764 | if (!hdr) | |
8765 | goto nla_put_failure; | |
8766 | ||
8767 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
8768 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
8769 | goto nla_put_failure; | |
8770 | ||
8771 | genlmsg_end(msg, hdr); | |
8772 | return genlmsg_reply(msg, info); | |
8773 | ||
8774 | nla_put_failure: | |
8775 | kfree_skb(msg); | |
8776 | return -ENOBUFS; | |
8777 | } | |
8778 | ||
355199e0 JM |
8779 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
8780 | { | |
8781 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8782 | struct cfg80211_update_ft_ies_params ft_params; | |
8783 | struct net_device *dev = info->user_ptr[1]; | |
8784 | ||
8785 | if (!rdev->ops->update_ft_ies) | |
8786 | return -EOPNOTSUPP; | |
8787 | ||
8788 | if (!info->attrs[NL80211_ATTR_MDID] || | |
8789 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8790 | return -EINVAL; | |
8791 | ||
8792 | memset(&ft_params, 0, sizeof(ft_params)); | |
8793 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
8794 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8795 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8796 | ||
8797 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
8798 | } | |
8799 | ||
5de17984 AS |
8800 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
8801 | struct genl_info *info) | |
8802 | { | |
8803 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8804 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8805 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
8806 | u16 duration; | |
8807 | int ret; | |
8808 | ||
8809 | if (!rdev->ops->crit_proto_start) | |
8810 | return -EOPNOTSUPP; | |
8811 | ||
8812 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
8813 | return -EINVAL; | |
8814 | ||
8815 | if (rdev->crit_proto_nlportid) | |
8816 | return -EBUSY; | |
8817 | ||
8818 | /* determine protocol if provided */ | |
8819 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
8820 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
8821 | ||
8822 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
8823 | return -EINVAL; | |
8824 | ||
8825 | /* timeout must be provided */ | |
8826 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
8827 | return -EINVAL; | |
8828 | ||
8829 | duration = | |
8830 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
8831 | ||
8832 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
8833 | return -ERANGE; | |
8834 | ||
8835 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
8836 | if (!ret) | |
8837 | rdev->crit_proto_nlportid = info->snd_portid; | |
8838 | ||
8839 | return ret; | |
8840 | } | |
8841 | ||
8842 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
8843 | struct genl_info *info) | |
8844 | { | |
8845 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8846 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8847 | ||
8848 | if (!rdev->ops->crit_proto_stop) | |
8849 | return -EOPNOTSUPP; | |
8850 | ||
8851 | if (rdev->crit_proto_nlportid) { | |
8852 | rdev->crit_proto_nlportid = 0; | |
8853 | rdev_crit_proto_stop(rdev, wdev); | |
8854 | } | |
8855 | return 0; | |
8856 | } | |
8857 | ||
4c476991 JB |
8858 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
8859 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
8860 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
8861 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
8862 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
8863 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 8864 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 8865 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
8866 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
8867 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 | 8868 | |
f84f771d | 8869 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
8870 | struct genl_info *info) |
8871 | { | |
8872 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 8873 | struct wireless_dev *wdev; |
4c476991 | 8874 | struct net_device *dev; |
4c476991 JB |
8875 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
8876 | ||
8877 | if (rtnl) | |
8878 | rtnl_lock(); | |
8879 | ||
8880 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 8881 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
8882 | if (IS_ERR(rdev)) { |
8883 | if (rtnl) | |
8884 | rtnl_unlock(); | |
8885 | return PTR_ERR(rdev); | |
8886 | } | |
8887 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
8888 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
8889 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
8890 | ASSERT_RTNL(); |
8891 | ||
89a54e48 JB |
8892 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
8893 | info->attrs); | |
8894 | if (IS_ERR(wdev)) { | |
4c476991 JB |
8895 | if (rtnl) |
8896 | rtnl_unlock(); | |
89a54e48 | 8897 | return PTR_ERR(wdev); |
4c476991 | 8898 | } |
89a54e48 | 8899 | |
89a54e48 JB |
8900 | dev = wdev->netdev; |
8901 | rdev = wiphy_to_dev(wdev->wiphy); | |
8902 | ||
1bf614ef JB |
8903 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
8904 | if (!dev) { | |
1bf614ef JB |
8905 | if (rtnl) |
8906 | rtnl_unlock(); | |
8907 | return -EINVAL; | |
8908 | } | |
8909 | ||
8910 | info->user_ptr[1] = dev; | |
8911 | } else { | |
8912 | info->user_ptr[1] = wdev; | |
41265714 | 8913 | } |
1bf614ef JB |
8914 | |
8915 | if (dev) { | |
8916 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
8917 | !netif_running(dev)) { | |
1bf614ef JB |
8918 | if (rtnl) |
8919 | rtnl_unlock(); | |
8920 | return -ENETDOWN; | |
8921 | } | |
8922 | ||
8923 | dev_hold(dev); | |
98104fde JB |
8924 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
8925 | if (!wdev->p2p_started) { | |
98104fde JB |
8926 | if (rtnl) |
8927 | rtnl_unlock(); | |
8928 | return -ENETDOWN; | |
8929 | } | |
41265714 | 8930 | } |
89a54e48 | 8931 | |
4c476991 | 8932 | info->user_ptr[0] = rdev; |
4c476991 JB |
8933 | } |
8934 | ||
8935 | return 0; | |
8936 | } | |
8937 | ||
f84f771d | 8938 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
8939 | struct genl_info *info) |
8940 | { | |
1bf614ef JB |
8941 | if (info->user_ptr[1]) { |
8942 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
8943 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8944 | ||
8945 | if (wdev->netdev) | |
8946 | dev_put(wdev->netdev); | |
8947 | } else { | |
8948 | dev_put(info->user_ptr[1]); | |
8949 | } | |
8950 | } | |
4c476991 JB |
8951 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
8952 | rtnl_unlock(); | |
8953 | } | |
8954 | ||
4534de83 | 8955 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
8956 | { |
8957 | .cmd = NL80211_CMD_GET_WIPHY, | |
8958 | .doit = nl80211_get_wiphy, | |
8959 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 8960 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
8961 | .policy = nl80211_policy, |
8962 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
8963 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8964 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8965 | }, |
8966 | { | |
8967 | .cmd = NL80211_CMD_SET_WIPHY, | |
8968 | .doit = nl80211_set_wiphy, | |
8969 | .policy = nl80211_policy, | |
8970 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 8971 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
8972 | }, |
8973 | { | |
8974 | .cmd = NL80211_CMD_GET_INTERFACE, | |
8975 | .doit = nl80211_get_interface, | |
8976 | .dumpit = nl80211_dump_interface, | |
8977 | .policy = nl80211_policy, | |
8978 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
8979 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
8980 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8981 | }, |
8982 | { | |
8983 | .cmd = NL80211_CMD_SET_INTERFACE, | |
8984 | .doit = nl80211_set_interface, | |
8985 | .policy = nl80211_policy, | |
8986 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8987 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8988 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8989 | }, |
8990 | { | |
8991 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
8992 | .doit = nl80211_new_interface, | |
8993 | .policy = nl80211_policy, | |
8994 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8995 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8996 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8997 | }, |
8998 | { | |
8999 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
9000 | .doit = nl80211_del_interface, | |
9001 | .policy = nl80211_policy, | |
41ade00f | 9002 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 9003 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9004 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9005 | }, |
9006 | { | |
9007 | .cmd = NL80211_CMD_GET_KEY, | |
9008 | .doit = nl80211_get_key, | |
9009 | .policy = nl80211_policy, | |
9010 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9011 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9012 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9013 | }, |
9014 | { | |
9015 | .cmd = NL80211_CMD_SET_KEY, | |
9016 | .doit = nl80211_set_key, | |
9017 | .policy = nl80211_policy, | |
9018 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9019 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9020 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9021 | }, |
9022 | { | |
9023 | .cmd = NL80211_CMD_NEW_KEY, | |
9024 | .doit = nl80211_new_key, | |
9025 | .policy = nl80211_policy, | |
9026 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9027 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9028 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9029 | }, |
9030 | { | |
9031 | .cmd = NL80211_CMD_DEL_KEY, | |
9032 | .doit = nl80211_del_key, | |
9033 | .policy = nl80211_policy, | |
55682965 | 9034 | .flags = GENL_ADMIN_PERM, |
41265714 | 9035 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9036 | NL80211_FLAG_NEED_RTNL, |
55682965 | 9037 | }, |
ed1b6cc7 JB |
9038 | { |
9039 | .cmd = NL80211_CMD_SET_BEACON, | |
9040 | .policy = nl80211_policy, | |
9041 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9042 | .doit = nl80211_set_beacon, |
2b5f8b0b | 9043 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9044 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9045 | }, |
9046 | { | |
8860020e | 9047 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
9048 | .policy = nl80211_policy, |
9049 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9050 | .doit = nl80211_start_ap, |
2b5f8b0b | 9051 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9052 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9053 | }, |
9054 | { | |
8860020e | 9055 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
9056 | .policy = nl80211_policy, |
9057 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9058 | .doit = nl80211_stop_ap, |
2b5f8b0b | 9059 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9060 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 9061 | }, |
5727ef1b JB |
9062 | { |
9063 | .cmd = NL80211_CMD_GET_STATION, | |
9064 | .doit = nl80211_get_station, | |
2ec600d6 | 9065 | .dumpit = nl80211_dump_station, |
5727ef1b | 9066 | .policy = nl80211_policy, |
4c476991 JB |
9067 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9068 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
9069 | }, |
9070 | { | |
9071 | .cmd = NL80211_CMD_SET_STATION, | |
9072 | .doit = nl80211_set_station, | |
9073 | .policy = nl80211_policy, | |
9074 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9075 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9076 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9077 | }, |
9078 | { | |
9079 | .cmd = NL80211_CMD_NEW_STATION, | |
9080 | .doit = nl80211_new_station, | |
9081 | .policy = nl80211_policy, | |
9082 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9083 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9084 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9085 | }, |
9086 | { | |
9087 | .cmd = NL80211_CMD_DEL_STATION, | |
9088 | .doit = nl80211_del_station, | |
9089 | .policy = nl80211_policy, | |
2ec600d6 | 9090 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9091 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9092 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9093 | }, |
9094 | { | |
9095 | .cmd = NL80211_CMD_GET_MPATH, | |
9096 | .doit = nl80211_get_mpath, | |
9097 | .dumpit = nl80211_dump_mpath, | |
9098 | .policy = nl80211_policy, | |
9099 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9100 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9101 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9102 | }, |
9103 | { | |
9104 | .cmd = NL80211_CMD_SET_MPATH, | |
9105 | .doit = nl80211_set_mpath, | |
9106 | .policy = nl80211_policy, | |
9107 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9108 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9109 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9110 | }, |
9111 | { | |
9112 | .cmd = NL80211_CMD_NEW_MPATH, | |
9113 | .doit = nl80211_new_mpath, | |
9114 | .policy = nl80211_policy, | |
9115 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9116 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9117 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9118 | }, |
9119 | { | |
9120 | .cmd = NL80211_CMD_DEL_MPATH, | |
9121 | .doit = nl80211_del_mpath, | |
9122 | .policy = nl80211_policy, | |
9f1ba906 | 9123 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9124 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9125 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
9126 | }, |
9127 | { | |
9128 | .cmd = NL80211_CMD_SET_BSS, | |
9129 | .doit = nl80211_set_bss, | |
9130 | .policy = nl80211_policy, | |
b2e1b302 | 9131 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9132 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9133 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 9134 | }, |
f130347c LR |
9135 | { |
9136 | .cmd = NL80211_CMD_GET_REG, | |
9137 | .doit = nl80211_get_reg, | |
9138 | .policy = nl80211_policy, | |
5fe231e8 | 9139 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
9140 | /* can be retrieved by unprivileged users */ |
9141 | }, | |
b2e1b302 LR |
9142 | { |
9143 | .cmd = NL80211_CMD_SET_REG, | |
9144 | .doit = nl80211_set_reg, | |
9145 | .policy = nl80211_policy, | |
9146 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 9147 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
9148 | }, |
9149 | { | |
9150 | .cmd = NL80211_CMD_REQ_SET_REG, | |
9151 | .doit = nl80211_req_set_reg, | |
9152 | .policy = nl80211_policy, | |
93da9cc1 | 9153 | .flags = GENL_ADMIN_PERM, |
9154 | }, | |
9155 | { | |
24bdd9f4 JC |
9156 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
9157 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 9158 | .policy = nl80211_policy, |
9159 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 9160 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9161 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 9162 | }, |
9163 | { | |
24bdd9f4 JC |
9164 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
9165 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 9166 | .policy = nl80211_policy, |
9aed3cc1 | 9167 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 9168 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9169 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 9170 | }, |
2a519311 JB |
9171 | { |
9172 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
9173 | .doit = nl80211_trigger_scan, | |
9174 | .policy = nl80211_policy, | |
9175 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 9176 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9177 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
9178 | }, |
9179 | { | |
9180 | .cmd = NL80211_CMD_GET_SCAN, | |
9181 | .policy = nl80211_policy, | |
9182 | .dumpit = nl80211_dump_scan, | |
9183 | }, | |
807f8a8c LC |
9184 | { |
9185 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
9186 | .doit = nl80211_start_sched_scan, | |
9187 | .policy = nl80211_policy, | |
9188 | .flags = GENL_ADMIN_PERM, | |
9189 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9190 | NL80211_FLAG_NEED_RTNL, | |
9191 | }, | |
9192 | { | |
9193 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
9194 | .doit = nl80211_stop_sched_scan, | |
9195 | .policy = nl80211_policy, | |
9196 | .flags = GENL_ADMIN_PERM, | |
9197 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9198 | NL80211_FLAG_NEED_RTNL, | |
9199 | }, | |
636a5d36 JM |
9200 | { |
9201 | .cmd = NL80211_CMD_AUTHENTICATE, | |
9202 | .doit = nl80211_authenticate, | |
9203 | .policy = nl80211_policy, | |
9204 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9205 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9206 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9207 | }, |
9208 | { | |
9209 | .cmd = NL80211_CMD_ASSOCIATE, | |
9210 | .doit = nl80211_associate, | |
9211 | .policy = nl80211_policy, | |
9212 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9213 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9214 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9215 | }, |
9216 | { | |
9217 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
9218 | .doit = nl80211_deauthenticate, | |
9219 | .policy = nl80211_policy, | |
9220 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9221 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9222 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9223 | }, |
9224 | { | |
9225 | .cmd = NL80211_CMD_DISASSOCIATE, | |
9226 | .doit = nl80211_disassociate, | |
9227 | .policy = nl80211_policy, | |
9228 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9229 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9230 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 9231 | }, |
04a773ad JB |
9232 | { |
9233 | .cmd = NL80211_CMD_JOIN_IBSS, | |
9234 | .doit = nl80211_join_ibss, | |
9235 | .policy = nl80211_policy, | |
9236 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9237 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9238 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
9239 | }, |
9240 | { | |
9241 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
9242 | .doit = nl80211_leave_ibss, | |
9243 | .policy = nl80211_policy, | |
9244 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9245 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9246 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 9247 | }, |
aff89a9b JB |
9248 | #ifdef CONFIG_NL80211_TESTMODE |
9249 | { | |
9250 | .cmd = NL80211_CMD_TESTMODE, | |
9251 | .doit = nl80211_testmode_do, | |
71063f0e | 9252 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
9253 | .policy = nl80211_policy, |
9254 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9255 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9256 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
9257 | }, |
9258 | #endif | |
b23aa676 SO |
9259 | { |
9260 | .cmd = NL80211_CMD_CONNECT, | |
9261 | .doit = nl80211_connect, | |
9262 | .policy = nl80211_policy, | |
9263 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9264 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9265 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
9266 | }, |
9267 | { | |
9268 | .cmd = NL80211_CMD_DISCONNECT, | |
9269 | .doit = nl80211_disconnect, | |
9270 | .policy = nl80211_policy, | |
9271 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9272 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9273 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 9274 | }, |
463d0183 JB |
9275 | { |
9276 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
9277 | .doit = nl80211_wiphy_netns, | |
9278 | .policy = nl80211_policy, | |
9279 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9280 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9281 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 9282 | }, |
61fa713c HS |
9283 | { |
9284 | .cmd = NL80211_CMD_GET_SURVEY, | |
9285 | .policy = nl80211_policy, | |
9286 | .dumpit = nl80211_dump_survey, | |
9287 | }, | |
67fbb16b SO |
9288 | { |
9289 | .cmd = NL80211_CMD_SET_PMKSA, | |
9290 | .doit = nl80211_setdel_pmksa, | |
9291 | .policy = nl80211_policy, | |
9292 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9293 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9294 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9295 | }, |
9296 | { | |
9297 | .cmd = NL80211_CMD_DEL_PMKSA, | |
9298 | .doit = nl80211_setdel_pmksa, | |
9299 | .policy = nl80211_policy, | |
9300 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9301 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9302 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9303 | }, |
9304 | { | |
9305 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
9306 | .doit = nl80211_flush_pmksa, | |
9307 | .policy = nl80211_policy, | |
9308 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9309 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9310 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 9311 | }, |
9588bbd5 JM |
9312 | { |
9313 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
9314 | .doit = nl80211_remain_on_channel, | |
9315 | .policy = nl80211_policy, | |
9316 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9317 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9318 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
9319 | }, |
9320 | { | |
9321 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
9322 | .doit = nl80211_cancel_remain_on_channel, | |
9323 | .policy = nl80211_policy, | |
9324 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9325 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9326 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 9327 | }, |
13ae75b1 JM |
9328 | { |
9329 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
9330 | .doit = nl80211_set_tx_bitrate_mask, | |
9331 | .policy = nl80211_policy, | |
9332 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9333 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9334 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 9335 | }, |
026331c4 | 9336 | { |
2e161f78 JB |
9337 | .cmd = NL80211_CMD_REGISTER_FRAME, |
9338 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
9339 | .policy = nl80211_policy, |
9340 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9341 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9342 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
9343 | }, |
9344 | { | |
2e161f78 JB |
9345 | .cmd = NL80211_CMD_FRAME, |
9346 | .doit = nl80211_tx_mgmt, | |
026331c4 | 9347 | .policy = nl80211_policy, |
f7ca38df | 9348 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9349 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
9350 | NL80211_FLAG_NEED_RTNL, |
9351 | }, | |
9352 | { | |
9353 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
9354 | .doit = nl80211_tx_mgmt_cancel_wait, | |
9355 | .policy = nl80211_policy, | |
026331c4 | 9356 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9357 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9358 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 9359 | }, |
ffb9eb3d KV |
9360 | { |
9361 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
9362 | .doit = nl80211_set_power_save, | |
9363 | .policy = nl80211_policy, | |
9364 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9365 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9366 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
9367 | }, |
9368 | { | |
9369 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
9370 | .doit = nl80211_get_power_save, | |
9371 | .policy = nl80211_policy, | |
9372 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
9373 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9374 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 9375 | }, |
d6dc1a38 JO |
9376 | { |
9377 | .cmd = NL80211_CMD_SET_CQM, | |
9378 | .doit = nl80211_set_cqm, | |
9379 | .policy = nl80211_policy, | |
9380 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9381 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9382 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 9383 | }, |
f444de05 JB |
9384 | { |
9385 | .cmd = NL80211_CMD_SET_CHANNEL, | |
9386 | .doit = nl80211_set_channel, | |
9387 | .policy = nl80211_policy, | |
9388 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9389 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9390 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 9391 | }, |
e8347eba BJ |
9392 | { |
9393 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
9394 | .doit = nl80211_set_wds_peer, | |
9395 | .policy = nl80211_policy, | |
9396 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
9397 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9398 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 9399 | }, |
29cbe68c JB |
9400 | { |
9401 | .cmd = NL80211_CMD_JOIN_MESH, | |
9402 | .doit = nl80211_join_mesh, | |
9403 | .policy = nl80211_policy, | |
9404 | .flags = GENL_ADMIN_PERM, | |
9405 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9406 | NL80211_FLAG_NEED_RTNL, | |
9407 | }, | |
9408 | { | |
9409 | .cmd = NL80211_CMD_LEAVE_MESH, | |
9410 | .doit = nl80211_leave_mesh, | |
9411 | .policy = nl80211_policy, | |
9412 | .flags = GENL_ADMIN_PERM, | |
9413 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9414 | NL80211_FLAG_NEED_RTNL, | |
9415 | }, | |
dfb89c56 | 9416 | #ifdef CONFIG_PM |
ff1b6e69 JB |
9417 | { |
9418 | .cmd = NL80211_CMD_GET_WOWLAN, | |
9419 | .doit = nl80211_get_wowlan, | |
9420 | .policy = nl80211_policy, | |
9421 | /* can be retrieved by unprivileged users */ | |
9422 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9423 | NL80211_FLAG_NEED_RTNL, | |
9424 | }, | |
9425 | { | |
9426 | .cmd = NL80211_CMD_SET_WOWLAN, | |
9427 | .doit = nl80211_set_wowlan, | |
9428 | .policy = nl80211_policy, | |
9429 | .flags = GENL_ADMIN_PERM, | |
9430 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9431 | NL80211_FLAG_NEED_RTNL, | |
9432 | }, | |
dfb89c56 | 9433 | #endif |
e5497d76 JB |
9434 | { |
9435 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
9436 | .doit = nl80211_set_rekey_data, | |
9437 | .policy = nl80211_policy, | |
9438 | .flags = GENL_ADMIN_PERM, | |
9439 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9440 | NL80211_FLAG_NEED_RTNL, | |
9441 | }, | |
109086ce AN |
9442 | { |
9443 | .cmd = NL80211_CMD_TDLS_MGMT, | |
9444 | .doit = nl80211_tdls_mgmt, | |
9445 | .policy = nl80211_policy, | |
9446 | .flags = GENL_ADMIN_PERM, | |
9447 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9448 | NL80211_FLAG_NEED_RTNL, | |
9449 | }, | |
9450 | { | |
9451 | .cmd = NL80211_CMD_TDLS_OPER, | |
9452 | .doit = nl80211_tdls_oper, | |
9453 | .policy = nl80211_policy, | |
9454 | .flags = GENL_ADMIN_PERM, | |
9455 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9456 | NL80211_FLAG_NEED_RTNL, | |
9457 | }, | |
28946da7 JB |
9458 | { |
9459 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
9460 | .doit = nl80211_register_unexpected_frame, | |
9461 | .policy = nl80211_policy, | |
9462 | .flags = GENL_ADMIN_PERM, | |
9463 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9464 | NL80211_FLAG_NEED_RTNL, | |
9465 | }, | |
7f6cf311 JB |
9466 | { |
9467 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
9468 | .doit = nl80211_probe_client, | |
9469 | .policy = nl80211_policy, | |
9470 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9471 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
9472 | NL80211_FLAG_NEED_RTNL, |
9473 | }, | |
5e760230 JB |
9474 | { |
9475 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
9476 | .doit = nl80211_register_beacons, | |
9477 | .policy = nl80211_policy, | |
9478 | .flags = GENL_ADMIN_PERM, | |
9479 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9480 | NL80211_FLAG_NEED_RTNL, | |
9481 | }, | |
1d9d9213 SW |
9482 | { |
9483 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
9484 | .doit = nl80211_set_noack_map, | |
9485 | .policy = nl80211_policy, | |
9486 | .flags = GENL_ADMIN_PERM, | |
9487 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9488 | NL80211_FLAG_NEED_RTNL, | |
9489 | }, | |
98104fde JB |
9490 | { |
9491 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
9492 | .doit = nl80211_start_p2p_device, | |
9493 | .policy = nl80211_policy, | |
9494 | .flags = GENL_ADMIN_PERM, | |
9495 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
9496 | NL80211_FLAG_NEED_RTNL, | |
9497 | }, | |
9498 | { | |
9499 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
9500 | .doit = nl80211_stop_p2p_device, | |
9501 | .policy = nl80211_policy, | |
9502 | .flags = GENL_ADMIN_PERM, | |
9503 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9504 | NL80211_FLAG_NEED_RTNL, | |
9505 | }, | |
f4e583c8 AQ |
9506 | { |
9507 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
9508 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
9509 | .policy = nl80211_policy, |
9510 | .flags = GENL_ADMIN_PERM, | |
9511 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9512 | NL80211_FLAG_NEED_RTNL, | |
9513 | }, | |
9514 | { | |
9515 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
9516 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
9517 | .policy = nl80211_policy, |
9518 | .flags = GENL_ADMIN_PERM, | |
9519 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9520 | NL80211_FLAG_NEED_RTNL, | |
9521 | }, | |
04f39047 SW |
9522 | { |
9523 | .cmd = NL80211_CMD_RADAR_DETECT, | |
9524 | .doit = nl80211_start_radar_detection, | |
9525 | .policy = nl80211_policy, | |
9526 | .flags = GENL_ADMIN_PERM, | |
9527 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9528 | NL80211_FLAG_NEED_RTNL, | |
9529 | }, | |
3713b4e3 JB |
9530 | { |
9531 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
9532 | .doit = nl80211_get_protocol_features, | |
9533 | .policy = nl80211_policy, | |
9534 | }, | |
355199e0 JM |
9535 | { |
9536 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
9537 | .doit = nl80211_update_ft_ies, | |
9538 | .policy = nl80211_policy, | |
9539 | .flags = GENL_ADMIN_PERM, | |
9540 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9541 | NL80211_FLAG_NEED_RTNL, | |
9542 | }, | |
5de17984 AS |
9543 | { |
9544 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
9545 | .doit = nl80211_crit_protocol_start, | |
9546 | .policy = nl80211_policy, | |
9547 | .flags = GENL_ADMIN_PERM, | |
9548 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9549 | NL80211_FLAG_NEED_RTNL, | |
9550 | }, | |
9551 | { | |
9552 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
9553 | .doit = nl80211_crit_protocol_stop, | |
9554 | .policy = nl80211_policy, | |
9555 | .flags = GENL_ADMIN_PERM, | |
9556 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9557 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
9558 | }, |
9559 | { | |
9560 | .cmd = NL80211_CMD_GET_COALESCE, | |
9561 | .doit = nl80211_get_coalesce, | |
9562 | .policy = nl80211_policy, | |
9563 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9564 | NL80211_FLAG_NEED_RTNL, | |
9565 | }, | |
9566 | { | |
9567 | .cmd = NL80211_CMD_SET_COALESCE, | |
9568 | .doit = nl80211_set_coalesce, | |
9569 | .policy = nl80211_policy, | |
9570 | .flags = GENL_ADMIN_PERM, | |
9571 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9572 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
9573 | }, |
9574 | { | |
9575 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
9576 | .doit = nl80211_channel_switch, | |
9577 | .policy = nl80211_policy, | |
9578 | .flags = GENL_ADMIN_PERM, | |
9579 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9580 | NL80211_FLAG_NEED_RTNL, | |
9581 | }, | |
55682965 | 9582 | }; |
9588bbd5 | 9583 | |
55682965 JB |
9584 | /* notification functions */ |
9585 | ||
9586 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
9587 | { | |
9588 | struct sk_buff *msg; | |
86e8cf98 | 9589 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 9590 | |
fd2120ca | 9591 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
9592 | if (!msg) |
9593 | return; | |
9594 | ||
86e8cf98 | 9595 | if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
9596 | nlmsg_free(msg); |
9597 | return; | |
9598 | } | |
9599 | ||
68eb5503 | 9600 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9601 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
9602 | } |
9603 | ||
362a415d JB |
9604 | static int nl80211_add_scan_req(struct sk_buff *msg, |
9605 | struct cfg80211_registered_device *rdev) | |
9606 | { | |
9607 | struct cfg80211_scan_request *req = rdev->scan_req; | |
9608 | struct nlattr *nest; | |
9609 | int i; | |
9610 | ||
9611 | if (WARN_ON(!req)) | |
9612 | return 0; | |
9613 | ||
9614 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
9615 | if (!nest) | |
9616 | goto nla_put_failure; | |
9360ffd1 DM |
9617 | for (i = 0; i < req->n_ssids; i++) { |
9618 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
9619 | goto nla_put_failure; | |
9620 | } | |
362a415d JB |
9621 | nla_nest_end(msg, nest); |
9622 | ||
9623 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
9624 | if (!nest) | |
9625 | goto nla_put_failure; | |
9360ffd1 DM |
9626 | for (i = 0; i < req->n_channels; i++) { |
9627 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9628 | goto nla_put_failure; | |
9629 | } | |
362a415d JB |
9630 | nla_nest_end(msg, nest); |
9631 | ||
9360ffd1 DM |
9632 | if (req->ie && |
9633 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
9634 | goto nla_put_failure; | |
362a415d | 9635 | |
ed473771 SL |
9636 | if (req->flags) |
9637 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags); | |
9638 | ||
362a415d JB |
9639 | return 0; |
9640 | nla_put_failure: | |
9641 | return -ENOBUFS; | |
9642 | } | |
9643 | ||
a538e2d5 JB |
9644 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
9645 | struct cfg80211_registered_device *rdev, | |
fd014284 | 9646 | struct wireless_dev *wdev, |
15e47304 | 9647 | u32 portid, u32 seq, int flags, |
a538e2d5 | 9648 | u32 cmd) |
2a519311 JB |
9649 | { |
9650 | void *hdr; | |
9651 | ||
15e47304 | 9652 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
9653 | if (!hdr) |
9654 | return -1; | |
9655 | ||
9360ffd1 | 9656 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
9657 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
9658 | wdev->netdev->ifindex)) || | |
9659 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 9660 | goto nla_put_failure; |
2a519311 | 9661 | |
362a415d JB |
9662 | /* ignore errors and send incomplete event anyway */ |
9663 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
9664 | |
9665 | return genlmsg_end(msg, hdr); | |
9666 | ||
9667 | nla_put_failure: | |
9668 | genlmsg_cancel(msg, hdr); | |
9669 | return -EMSGSIZE; | |
9670 | } | |
9671 | ||
807f8a8c LC |
9672 | static int |
9673 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
9674 | struct cfg80211_registered_device *rdev, | |
9675 | struct net_device *netdev, | |
15e47304 | 9676 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
9677 | { |
9678 | void *hdr; | |
9679 | ||
15e47304 | 9680 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
9681 | if (!hdr) |
9682 | return -1; | |
9683 | ||
9360ffd1 DM |
9684 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9685 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
9686 | goto nla_put_failure; | |
807f8a8c LC |
9687 | |
9688 | return genlmsg_end(msg, hdr); | |
9689 | ||
9690 | nla_put_failure: | |
9691 | genlmsg_cancel(msg, hdr); | |
9692 | return -EMSGSIZE; | |
9693 | } | |
9694 | ||
a538e2d5 | 9695 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 9696 | struct wireless_dev *wdev) |
a538e2d5 JB |
9697 | { |
9698 | struct sk_buff *msg; | |
9699 | ||
58050fce | 9700 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
9701 | if (!msg) |
9702 | return; | |
9703 | ||
fd014284 | 9704 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
9705 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
9706 | nlmsg_free(msg); | |
9707 | return; | |
9708 | } | |
9709 | ||
68eb5503 | 9710 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9711 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
9712 | } |
9713 | ||
2a519311 | 9714 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
fd014284 | 9715 | struct wireless_dev *wdev) |
2a519311 JB |
9716 | { |
9717 | struct sk_buff *msg; | |
9718 | ||
fd2120ca | 9719 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9720 | if (!msg) |
9721 | return; | |
9722 | ||
fd014284 | 9723 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9724 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { |
2a519311 JB |
9725 | nlmsg_free(msg); |
9726 | return; | |
9727 | } | |
9728 | ||
68eb5503 | 9729 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9730 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
9731 | } |
9732 | ||
9733 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
fd014284 | 9734 | struct wireless_dev *wdev) |
2a519311 JB |
9735 | { |
9736 | struct sk_buff *msg; | |
9737 | ||
fd2120ca | 9738 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9739 | if (!msg) |
9740 | return; | |
9741 | ||
fd014284 | 9742 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9743 | NL80211_CMD_SCAN_ABORTED) < 0) { |
2a519311 JB |
9744 | nlmsg_free(msg); |
9745 | return; | |
9746 | } | |
9747 | ||
68eb5503 | 9748 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9749 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
9750 | } |
9751 | ||
807f8a8c LC |
9752 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
9753 | struct net_device *netdev) | |
9754 | { | |
9755 | struct sk_buff *msg; | |
9756 | ||
9757 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9758 | if (!msg) | |
9759 | return; | |
9760 | ||
9761 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
9762 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
9763 | nlmsg_free(msg); | |
9764 | return; | |
9765 | } | |
9766 | ||
68eb5503 | 9767 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9768 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
9769 | } |
9770 | ||
9771 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
9772 | struct net_device *netdev, u32 cmd) | |
9773 | { | |
9774 | struct sk_buff *msg; | |
9775 | ||
58050fce | 9776 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
9777 | if (!msg) |
9778 | return; | |
9779 | ||
9780 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
9781 | nlmsg_free(msg); | |
9782 | return; | |
9783 | } | |
9784 | ||
68eb5503 | 9785 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9786 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
9787 | } |
9788 | ||
73d54c9e LR |
9789 | /* |
9790 | * This can happen on global regulatory changes or device specific settings | |
9791 | * based on custom world regulatory domains. | |
9792 | */ | |
9793 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
9794 | { | |
9795 | struct sk_buff *msg; | |
9796 | void *hdr; | |
9797 | ||
fd2120ca | 9798 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
9799 | if (!msg) |
9800 | return; | |
9801 | ||
9802 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
9803 | if (!hdr) { | |
9804 | nlmsg_free(msg); | |
9805 | return; | |
9806 | } | |
9807 | ||
9808 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
9809 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
9810 | goto nla_put_failure; | |
9811 | ||
9812 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
9813 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9814 | NL80211_REGDOM_TYPE_WORLD)) | |
9815 | goto nla_put_failure; | |
9816 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
9817 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9818 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
9819 | goto nla_put_failure; | |
9820 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
9821 | request->intersect) { | |
9822 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9823 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
9824 | goto nla_put_failure; | |
9825 | } else { | |
9826 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9827 | NL80211_REGDOM_TYPE_COUNTRY) || | |
9828 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
9829 | request->alpha2)) | |
9830 | goto nla_put_failure; | |
9831 | } | |
9832 | ||
f4173766 | 9833 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
9834 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
9835 | goto nla_put_failure; | |
73d54c9e | 9836 | |
3b7b72ee | 9837 | genlmsg_end(msg, hdr); |
73d54c9e | 9838 | |
bc43b28c | 9839 | rcu_read_lock(); |
68eb5503 | 9840 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 9841 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 9842 | rcu_read_unlock(); |
73d54c9e LR |
9843 | |
9844 | return; | |
9845 | ||
9846 | nla_put_failure: | |
9847 | genlmsg_cancel(msg, hdr); | |
9848 | nlmsg_free(msg); | |
9849 | } | |
9850 | ||
6039f6d2 JM |
9851 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
9852 | struct net_device *netdev, | |
9853 | const u8 *buf, size_t len, | |
e6d6e342 | 9854 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
9855 | { |
9856 | struct sk_buff *msg; | |
9857 | void *hdr; | |
9858 | ||
e6d6e342 | 9859 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
9860 | if (!msg) |
9861 | return; | |
9862 | ||
9863 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9864 | if (!hdr) { | |
9865 | nlmsg_free(msg); | |
9866 | return; | |
9867 | } | |
9868 | ||
9360ffd1 DM |
9869 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9870 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9871 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
9872 | goto nla_put_failure; | |
6039f6d2 | 9873 | |
3b7b72ee | 9874 | genlmsg_end(msg, hdr); |
6039f6d2 | 9875 | |
68eb5503 | 9876 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9877 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
9878 | return; |
9879 | ||
9880 | nla_put_failure: | |
9881 | genlmsg_cancel(msg, hdr); | |
9882 | nlmsg_free(msg); | |
9883 | } | |
9884 | ||
9885 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9886 | struct net_device *netdev, const u8 *buf, |
9887 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9888 | { |
9889 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9890 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
9891 | } |
9892 | ||
9893 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
9894 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9895 | size_t len, gfp_t gfp) |
6039f6d2 | 9896 | { |
e6d6e342 JB |
9897 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
9898 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
9899 | } |
9900 | ||
53b46b84 | 9901 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
9902 | struct net_device *netdev, const u8 *buf, |
9903 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9904 | { |
9905 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9906 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
9907 | } |
9908 | ||
53b46b84 JM |
9909 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
9910 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9911 | size_t len, gfp_t gfp) |
6039f6d2 JM |
9912 | { |
9913 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9914 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
9915 | } |
9916 | ||
6ff57cf8 JB |
9917 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
9918 | size_t len) | |
cf4e594e | 9919 | { |
947add36 JB |
9920 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9921 | struct wiphy *wiphy = wdev->wiphy; | |
9922 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6ff57cf8 JB |
9923 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
9924 | u32 cmd; | |
947add36 | 9925 | |
6ff57cf8 JB |
9926 | if (WARN_ON(len < 2)) |
9927 | return; | |
cf4e594e | 9928 | |
6ff57cf8 JB |
9929 | if (ieee80211_is_deauth(mgmt->frame_control)) |
9930 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
9931 | else | |
9932 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 9933 | |
6ff57cf8 JB |
9934 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
9935 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC); | |
cf4e594e | 9936 | } |
6ff57cf8 | 9937 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 9938 | |
1b06bb40 LR |
9939 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
9940 | struct net_device *netdev, int cmd, | |
e6d6e342 | 9941 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
9942 | { |
9943 | struct sk_buff *msg; | |
9944 | void *hdr; | |
9945 | ||
e6d6e342 | 9946 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
9947 | if (!msg) |
9948 | return; | |
9949 | ||
9950 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9951 | if (!hdr) { | |
9952 | nlmsg_free(msg); | |
9953 | return; | |
9954 | } | |
9955 | ||
9360ffd1 DM |
9956 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9957 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9958 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
9959 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
9960 | goto nla_put_failure; | |
1965c853 | 9961 | |
3b7b72ee | 9962 | genlmsg_end(msg, hdr); |
1965c853 | 9963 | |
68eb5503 | 9964 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9965 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
9966 | return; |
9967 | ||
9968 | nla_put_failure: | |
9969 | genlmsg_cancel(msg, hdr); | |
9970 | nlmsg_free(msg); | |
9971 | } | |
9972 | ||
9973 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9974 | struct net_device *netdev, const u8 *addr, |
9975 | gfp_t gfp) | |
1965c853 JM |
9976 | { |
9977 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 9978 | addr, gfp); |
1965c853 JM |
9979 | } |
9980 | ||
9981 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9982 | struct net_device *netdev, const u8 *addr, |
9983 | gfp_t gfp) | |
1965c853 | 9984 | { |
e6d6e342 JB |
9985 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
9986 | addr, gfp); | |
1965c853 JM |
9987 | } |
9988 | ||
b23aa676 SO |
9989 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
9990 | struct net_device *netdev, const u8 *bssid, | |
9991 | const u8 *req_ie, size_t req_ie_len, | |
9992 | const u8 *resp_ie, size_t resp_ie_len, | |
9993 | u16 status, gfp_t gfp) | |
9994 | { | |
9995 | struct sk_buff *msg; | |
9996 | void *hdr; | |
9997 | ||
58050fce | 9998 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
9999 | if (!msg) |
10000 | return; | |
10001 | ||
10002 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
10003 | if (!hdr) { | |
10004 | nlmsg_free(msg); | |
10005 | return; | |
10006 | } | |
10007 | ||
9360ffd1 DM |
10008 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10009 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10010 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
10011 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
10012 | (req_ie && | |
10013 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10014 | (resp_ie && | |
10015 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10016 | goto nla_put_failure; | |
b23aa676 | 10017 | |
3b7b72ee | 10018 | genlmsg_end(msg, hdr); |
b23aa676 | 10019 | |
68eb5503 | 10020 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10021 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10022 | return; |
10023 | ||
10024 | nla_put_failure: | |
10025 | genlmsg_cancel(msg, hdr); | |
10026 | nlmsg_free(msg); | |
10027 | ||
10028 | } | |
10029 | ||
10030 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
10031 | struct net_device *netdev, const u8 *bssid, | |
10032 | const u8 *req_ie, size_t req_ie_len, | |
10033 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
10034 | { | |
10035 | struct sk_buff *msg; | |
10036 | void *hdr; | |
10037 | ||
58050fce | 10038 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10039 | if (!msg) |
10040 | return; | |
10041 | ||
10042 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
10043 | if (!hdr) { | |
10044 | nlmsg_free(msg); | |
10045 | return; | |
10046 | } | |
10047 | ||
9360ffd1 DM |
10048 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10049 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10050 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
10051 | (req_ie && | |
10052 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10053 | (resp_ie && | |
10054 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10055 | goto nla_put_failure; | |
b23aa676 | 10056 | |
3b7b72ee | 10057 | genlmsg_end(msg, hdr); |
b23aa676 | 10058 | |
68eb5503 | 10059 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10060 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10061 | return; |
10062 | ||
10063 | nla_put_failure: | |
10064 | genlmsg_cancel(msg, hdr); | |
10065 | nlmsg_free(msg); | |
10066 | ||
10067 | } | |
10068 | ||
10069 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
10070 | struct net_device *netdev, u16 reason, | |
667503dd | 10071 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
10072 | { |
10073 | struct sk_buff *msg; | |
10074 | void *hdr; | |
10075 | ||
58050fce | 10076 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
10077 | if (!msg) |
10078 | return; | |
10079 | ||
10080 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
10081 | if (!hdr) { | |
10082 | nlmsg_free(msg); | |
10083 | return; | |
10084 | } | |
10085 | ||
9360ffd1 DM |
10086 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10087 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10088 | (from_ap && reason && | |
10089 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
10090 | (from_ap && | |
10091 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
10092 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
10093 | goto nla_put_failure; | |
b23aa676 | 10094 | |
3b7b72ee | 10095 | genlmsg_end(msg, hdr); |
b23aa676 | 10096 | |
68eb5503 | 10097 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10098 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
10099 | return; |
10100 | ||
10101 | nla_put_failure: | |
10102 | genlmsg_cancel(msg, hdr); | |
10103 | nlmsg_free(msg); | |
10104 | ||
10105 | } | |
10106 | ||
04a773ad JB |
10107 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
10108 | struct net_device *netdev, const u8 *bssid, | |
10109 | gfp_t gfp) | |
10110 | { | |
10111 | struct sk_buff *msg; | |
10112 | void *hdr; | |
10113 | ||
fd2120ca | 10114 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
10115 | if (!msg) |
10116 | return; | |
10117 | ||
10118 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
10119 | if (!hdr) { | |
10120 | nlmsg_free(msg); | |
10121 | return; | |
10122 | } | |
10123 | ||
9360ffd1 DM |
10124 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10125 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10126 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10127 | goto nla_put_failure; | |
04a773ad | 10128 | |
3b7b72ee | 10129 | genlmsg_end(msg, hdr); |
04a773ad | 10130 | |
68eb5503 | 10131 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10132 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
10133 | return; |
10134 | ||
10135 | nla_put_failure: | |
10136 | genlmsg_cancel(msg, hdr); | |
10137 | nlmsg_free(msg); | |
10138 | } | |
10139 | ||
947add36 JB |
10140 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
10141 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 10142 | { |
947add36 JB |
10143 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10144 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
c93b5e71 JC |
10145 | struct sk_buff *msg; |
10146 | void *hdr; | |
10147 | ||
947add36 JB |
10148 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
10149 | return; | |
10150 | ||
10151 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
10152 | ||
c93b5e71 JC |
10153 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10154 | if (!msg) | |
10155 | return; | |
10156 | ||
10157 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
10158 | if (!hdr) { | |
10159 | nlmsg_free(msg); | |
10160 | return; | |
10161 | } | |
10162 | ||
9360ffd1 | 10163 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
10164 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10165 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
10166 | (ie_len && ie && |
10167 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
10168 | goto nla_put_failure; | |
c93b5e71 | 10169 | |
3b7b72ee | 10170 | genlmsg_end(msg, hdr); |
c93b5e71 | 10171 | |
68eb5503 | 10172 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10173 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
10174 | return; |
10175 | ||
10176 | nla_put_failure: | |
10177 | genlmsg_cancel(msg, hdr); | |
10178 | nlmsg_free(msg); | |
10179 | } | |
947add36 | 10180 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 10181 | |
a3b8b056 JM |
10182 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
10183 | struct net_device *netdev, const u8 *addr, | |
10184 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 10185 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
10186 | { |
10187 | struct sk_buff *msg; | |
10188 | void *hdr; | |
10189 | ||
e6d6e342 | 10190 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
10191 | if (!msg) |
10192 | return; | |
10193 | ||
10194 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
10195 | if (!hdr) { | |
10196 | nlmsg_free(msg); | |
10197 | return; | |
10198 | } | |
10199 | ||
9360ffd1 DM |
10200 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10201 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10202 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
10203 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
10204 | (key_id != -1 && | |
10205 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
10206 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
10207 | goto nla_put_failure; | |
a3b8b056 | 10208 | |
3b7b72ee | 10209 | genlmsg_end(msg, hdr); |
a3b8b056 | 10210 | |
68eb5503 | 10211 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10212 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
10213 | return; |
10214 | ||
10215 | nla_put_failure: | |
10216 | genlmsg_cancel(msg, hdr); | |
10217 | nlmsg_free(msg); | |
10218 | } | |
10219 | ||
6bad8766 LR |
10220 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
10221 | struct ieee80211_channel *channel_before, | |
10222 | struct ieee80211_channel *channel_after) | |
10223 | { | |
10224 | struct sk_buff *msg; | |
10225 | void *hdr; | |
10226 | struct nlattr *nl_freq; | |
10227 | ||
fd2120ca | 10228 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
10229 | if (!msg) |
10230 | return; | |
10231 | ||
10232 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
10233 | if (!hdr) { | |
10234 | nlmsg_free(msg); | |
10235 | return; | |
10236 | } | |
10237 | ||
10238 | /* | |
10239 | * Since we are applying the beacon hint to a wiphy we know its | |
10240 | * wiphy_idx is valid | |
10241 | */ | |
9360ffd1 DM |
10242 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
10243 | goto nla_put_failure; | |
6bad8766 LR |
10244 | |
10245 | /* Before */ | |
10246 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
10247 | if (!nl_freq) | |
10248 | goto nla_put_failure; | |
cdc89b97 | 10249 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
10250 | goto nla_put_failure; |
10251 | nla_nest_end(msg, nl_freq); | |
10252 | ||
10253 | /* After */ | |
10254 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
10255 | if (!nl_freq) | |
10256 | goto nla_put_failure; | |
cdc89b97 | 10257 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
10258 | goto nla_put_failure; |
10259 | nla_nest_end(msg, nl_freq); | |
10260 | ||
3b7b72ee | 10261 | genlmsg_end(msg, hdr); |
6bad8766 | 10262 | |
463d0183 | 10263 | rcu_read_lock(); |
68eb5503 | 10264 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10265 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 10266 | rcu_read_unlock(); |
6bad8766 LR |
10267 | |
10268 | return; | |
10269 | ||
10270 | nla_put_failure: | |
10271 | genlmsg_cancel(msg, hdr); | |
10272 | nlmsg_free(msg); | |
10273 | } | |
10274 | ||
9588bbd5 JM |
10275 | static void nl80211_send_remain_on_chan_event( |
10276 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 10277 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 10278 | struct ieee80211_channel *chan, |
9588bbd5 JM |
10279 | unsigned int duration, gfp_t gfp) |
10280 | { | |
10281 | struct sk_buff *msg; | |
10282 | void *hdr; | |
10283 | ||
10284 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10285 | if (!msg) | |
10286 | return; | |
10287 | ||
10288 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10289 | if (!hdr) { | |
10290 | nlmsg_free(msg); | |
10291 | return; | |
10292 | } | |
10293 | ||
9360ffd1 | 10294 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10295 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10296 | wdev->netdev->ifindex)) || | |
00f53350 | 10297 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 10298 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
10299 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
10300 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
10301 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
10302 | goto nla_put_failure; | |
9588bbd5 | 10303 | |
9360ffd1 DM |
10304 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
10305 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
10306 | goto nla_put_failure; | |
9588bbd5 | 10307 | |
3b7b72ee | 10308 | genlmsg_end(msg, hdr); |
9588bbd5 | 10309 | |
68eb5503 | 10310 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10311 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
10312 | return; |
10313 | ||
10314 | nla_put_failure: | |
10315 | genlmsg_cancel(msg, hdr); | |
10316 | nlmsg_free(msg); | |
10317 | } | |
10318 | ||
947add36 JB |
10319 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
10320 | struct ieee80211_channel *chan, | |
10321 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 10322 | { |
947add36 JB |
10323 | struct wiphy *wiphy = wdev->wiphy; |
10324 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10325 | ||
10326 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 10327 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 10328 | rdev, wdev, cookie, chan, |
42d97a59 | 10329 | duration, gfp); |
9588bbd5 | 10330 | } |
947add36 | 10331 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 10332 | |
947add36 JB |
10333 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
10334 | struct ieee80211_channel *chan, | |
10335 | gfp_t gfp) | |
9588bbd5 | 10336 | { |
947add36 JB |
10337 | struct wiphy *wiphy = wdev->wiphy; |
10338 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10339 | ||
10340 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 10341 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 10342 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 10343 | } |
947add36 | 10344 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 10345 | |
947add36 JB |
10346 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
10347 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 10348 | { |
947add36 JB |
10349 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10350 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
98b62183 JB |
10351 | struct sk_buff *msg; |
10352 | ||
947add36 JB |
10353 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
10354 | ||
58050fce | 10355 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
10356 | if (!msg) |
10357 | return; | |
10358 | ||
66266b3a JL |
10359 | if (nl80211_send_station(msg, 0, 0, 0, |
10360 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
10361 | nlmsg_free(msg); |
10362 | return; | |
10363 | } | |
10364 | ||
68eb5503 | 10365 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10366 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 10367 | } |
947add36 | 10368 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 10369 | |
947add36 | 10370 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 10371 | { |
947add36 JB |
10372 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10373 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ec15e68b JM |
10374 | struct sk_buff *msg; |
10375 | void *hdr; | |
10376 | ||
947add36 JB |
10377 | trace_cfg80211_del_sta(dev, mac_addr); |
10378 | ||
58050fce | 10379 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
10380 | if (!msg) |
10381 | return; | |
10382 | ||
10383 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
10384 | if (!hdr) { | |
10385 | nlmsg_free(msg); | |
10386 | return; | |
10387 | } | |
10388 | ||
9360ffd1 DM |
10389 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10390 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
10391 | goto nla_put_failure; | |
ec15e68b | 10392 | |
3b7b72ee | 10393 | genlmsg_end(msg, hdr); |
ec15e68b | 10394 | |
68eb5503 | 10395 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10396 | NL80211_MCGRP_MLME, gfp); |
ec15e68b JM |
10397 | return; |
10398 | ||
10399 | nla_put_failure: | |
10400 | genlmsg_cancel(msg, hdr); | |
10401 | nlmsg_free(msg); | |
10402 | } | |
947add36 | 10403 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 10404 | |
947add36 JB |
10405 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
10406 | enum nl80211_connect_failed_reason reason, | |
10407 | gfp_t gfp) | |
ed44a951 | 10408 | { |
947add36 JB |
10409 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10410 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ed44a951 PP |
10411 | struct sk_buff *msg; |
10412 | void *hdr; | |
10413 | ||
10414 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10415 | if (!msg) | |
10416 | return; | |
10417 | ||
10418 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
10419 | if (!hdr) { | |
10420 | nlmsg_free(msg); | |
10421 | return; | |
10422 | } | |
10423 | ||
10424 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10425 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
10426 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
10427 | goto nla_put_failure; | |
10428 | ||
10429 | genlmsg_end(msg, hdr); | |
10430 | ||
68eb5503 | 10431 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10432 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
10433 | return; |
10434 | ||
10435 | nla_put_failure: | |
10436 | genlmsg_cancel(msg, hdr); | |
10437 | nlmsg_free(msg); | |
10438 | } | |
947add36 | 10439 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 10440 | |
b92ab5d8 JB |
10441 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
10442 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
10443 | { |
10444 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10445 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10446 | struct sk_buff *msg; | |
10447 | void *hdr; | |
15e47304 | 10448 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 10449 | |
15e47304 | 10450 | if (!nlportid) |
28946da7 JB |
10451 | return false; |
10452 | ||
10453 | msg = nlmsg_new(100, gfp); | |
10454 | if (!msg) | |
10455 | return true; | |
10456 | ||
b92ab5d8 | 10457 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
10458 | if (!hdr) { |
10459 | nlmsg_free(msg); | |
10460 | return true; | |
10461 | } | |
10462 | ||
9360ffd1 DM |
10463 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10464 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10465 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10466 | goto nla_put_failure; | |
28946da7 | 10467 | |
9c90a9f6 | 10468 | genlmsg_end(msg, hdr); |
15e47304 | 10469 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
10470 | return true; |
10471 | ||
10472 | nla_put_failure: | |
10473 | genlmsg_cancel(msg, hdr); | |
10474 | nlmsg_free(msg); | |
10475 | return true; | |
10476 | } | |
10477 | ||
947add36 JB |
10478 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
10479 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10480 | { |
947add36 JB |
10481 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10482 | bool ret; | |
10483 | ||
10484 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
10485 | ||
10486 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10487 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
10488 | trace_cfg80211_return_bool(false); | |
10489 | return false; | |
10490 | } | |
10491 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
10492 | addr, gfp); | |
10493 | trace_cfg80211_return_bool(ret); | |
10494 | return ret; | |
b92ab5d8 | 10495 | } |
947add36 | 10496 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 10497 | |
947add36 JB |
10498 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
10499 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10500 | { |
947add36 JB |
10501 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10502 | bool ret; | |
10503 | ||
10504 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
10505 | ||
10506 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10507 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
10508 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
10509 | trace_cfg80211_return_bool(false); | |
10510 | return false; | |
10511 | } | |
10512 | ret = __nl80211_unexpected_frame(dev, | |
10513 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
10514 | addr, gfp); | |
10515 | trace_cfg80211_return_bool(ret); | |
10516 | return ret; | |
b92ab5d8 | 10517 | } |
947add36 | 10518 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 10519 | |
2e161f78 | 10520 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 10521 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 10522 | int freq, int sig_dbm, |
19504cf5 | 10523 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 10524 | { |
71bbc994 | 10525 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10526 | struct sk_buff *msg; |
10527 | void *hdr; | |
026331c4 JM |
10528 | |
10529 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10530 | if (!msg) | |
10531 | return -ENOMEM; | |
10532 | ||
2e161f78 | 10533 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
10534 | if (!hdr) { |
10535 | nlmsg_free(msg); | |
10536 | return -ENOMEM; | |
10537 | } | |
10538 | ||
9360ffd1 | 10539 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10540 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10541 | netdev->ifindex)) || | |
a838490b | 10542 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10543 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
10544 | (sig_dbm && | |
10545 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
10546 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10547 | (flags && | |
10548 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 10549 | goto nla_put_failure; |
026331c4 | 10550 | |
3b7b72ee | 10551 | genlmsg_end(msg, hdr); |
026331c4 | 10552 | |
15e47304 | 10553 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
10554 | |
10555 | nla_put_failure: | |
10556 | genlmsg_cancel(msg, hdr); | |
10557 | nlmsg_free(msg); | |
10558 | return -ENOBUFS; | |
10559 | } | |
10560 | ||
947add36 JB |
10561 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
10562 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 10563 | { |
947add36 JB |
10564 | struct wiphy *wiphy = wdev->wiphy; |
10565 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
71bbc994 | 10566 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10567 | struct sk_buff *msg; |
10568 | void *hdr; | |
10569 | ||
947add36 JB |
10570 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
10571 | ||
026331c4 JM |
10572 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10573 | if (!msg) | |
10574 | return; | |
10575 | ||
2e161f78 | 10576 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
10577 | if (!hdr) { |
10578 | nlmsg_free(msg); | |
10579 | return; | |
10580 | } | |
10581 | ||
9360ffd1 | 10582 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10583 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10584 | netdev->ifindex)) || | |
a838490b | 10585 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10586 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10587 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10588 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10589 | goto nla_put_failure; | |
026331c4 | 10590 | |
3b7b72ee | 10591 | genlmsg_end(msg, hdr); |
026331c4 | 10592 | |
68eb5503 | 10593 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10594 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
10595 | return; |
10596 | ||
10597 | nla_put_failure: | |
10598 | genlmsg_cancel(msg, hdr); | |
10599 | nlmsg_free(msg); | |
10600 | } | |
947add36 | 10601 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 10602 | |
947add36 JB |
10603 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
10604 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
10605 | gfp_t gfp) | |
d6dc1a38 | 10606 | { |
947add36 JB |
10607 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10608 | struct wiphy *wiphy = wdev->wiphy; | |
10609 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
d6dc1a38 JO |
10610 | struct sk_buff *msg; |
10611 | struct nlattr *pinfoattr; | |
10612 | void *hdr; | |
10613 | ||
947add36 JB |
10614 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
10615 | ||
58050fce | 10616 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
10617 | if (!msg) |
10618 | return; | |
10619 | ||
10620 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10621 | if (!hdr) { | |
10622 | nlmsg_free(msg); | |
10623 | return; | |
10624 | } | |
10625 | ||
9360ffd1 | 10626 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10627 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 10628 | goto nla_put_failure; |
d6dc1a38 JO |
10629 | |
10630 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10631 | if (!pinfoattr) | |
10632 | goto nla_put_failure; | |
10633 | ||
9360ffd1 DM |
10634 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
10635 | rssi_event)) | |
10636 | goto nla_put_failure; | |
d6dc1a38 JO |
10637 | |
10638 | nla_nest_end(msg, pinfoattr); | |
10639 | ||
3b7b72ee | 10640 | genlmsg_end(msg, hdr); |
d6dc1a38 | 10641 | |
68eb5503 | 10642 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10643 | NL80211_MCGRP_MLME, gfp); |
d6dc1a38 JO |
10644 | return; |
10645 | ||
10646 | nla_put_failure: | |
10647 | genlmsg_cancel(msg, hdr); | |
10648 | nlmsg_free(msg); | |
10649 | } | |
947add36 | 10650 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 10651 | |
947add36 JB |
10652 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
10653 | struct net_device *netdev, const u8 *bssid, | |
10654 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
10655 | { |
10656 | struct sk_buff *msg; | |
10657 | struct nlattr *rekey_attr; | |
10658 | void *hdr; | |
10659 | ||
58050fce | 10660 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
10661 | if (!msg) |
10662 | return; | |
10663 | ||
10664 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
10665 | if (!hdr) { | |
10666 | nlmsg_free(msg); | |
10667 | return; | |
10668 | } | |
10669 | ||
9360ffd1 DM |
10670 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10671 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10672 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10673 | goto nla_put_failure; | |
e5497d76 JB |
10674 | |
10675 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
10676 | if (!rekey_attr) | |
10677 | goto nla_put_failure; | |
10678 | ||
9360ffd1 DM |
10679 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
10680 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
10681 | goto nla_put_failure; | |
e5497d76 JB |
10682 | |
10683 | nla_nest_end(msg, rekey_attr); | |
10684 | ||
3b7b72ee | 10685 | genlmsg_end(msg, hdr); |
e5497d76 | 10686 | |
68eb5503 | 10687 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10688 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
10689 | return; |
10690 | ||
10691 | nla_put_failure: | |
10692 | genlmsg_cancel(msg, hdr); | |
10693 | nlmsg_free(msg); | |
10694 | } | |
10695 | ||
947add36 JB |
10696 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
10697 | const u8 *replay_ctr, gfp_t gfp) | |
10698 | { | |
10699 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10700 | struct wiphy *wiphy = wdev->wiphy; | |
10701 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10702 | ||
10703 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
10704 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
10705 | } | |
10706 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
10707 | ||
10708 | static void | |
10709 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
10710 | struct net_device *netdev, int index, | |
10711 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
10712 | { |
10713 | struct sk_buff *msg; | |
10714 | struct nlattr *attr; | |
10715 | void *hdr; | |
10716 | ||
58050fce | 10717 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
10718 | if (!msg) |
10719 | return; | |
10720 | ||
10721 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
10722 | if (!hdr) { | |
10723 | nlmsg_free(msg); | |
10724 | return; | |
10725 | } | |
10726 | ||
9360ffd1 DM |
10727 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10728 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10729 | goto nla_put_failure; | |
c9df56b4 JM |
10730 | |
10731 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
10732 | if (!attr) | |
10733 | goto nla_put_failure; | |
10734 | ||
9360ffd1 DM |
10735 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
10736 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
10737 | (preauth && | |
10738 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
10739 | goto nla_put_failure; | |
c9df56b4 JM |
10740 | |
10741 | nla_nest_end(msg, attr); | |
10742 | ||
3b7b72ee | 10743 | genlmsg_end(msg, hdr); |
c9df56b4 | 10744 | |
68eb5503 | 10745 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10746 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
10747 | return; |
10748 | ||
10749 | nla_put_failure: | |
10750 | genlmsg_cancel(msg, hdr); | |
10751 | nlmsg_free(msg); | |
10752 | } | |
10753 | ||
947add36 JB |
10754 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
10755 | const u8 *bssid, bool preauth, gfp_t gfp) | |
10756 | { | |
10757 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10758 | struct wiphy *wiphy = wdev->wiphy; | |
10759 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10760 | ||
10761 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
10762 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
10763 | } | |
10764 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
10765 | ||
10766 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
10767 | struct net_device *netdev, | |
10768 | struct cfg80211_chan_def *chandef, | |
10769 | gfp_t gfp) | |
5314526b TP |
10770 | { |
10771 | struct sk_buff *msg; | |
10772 | void *hdr; | |
10773 | ||
58050fce | 10774 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
10775 | if (!msg) |
10776 | return; | |
10777 | ||
10778 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
10779 | if (!hdr) { | |
10780 | nlmsg_free(msg); | |
10781 | return; | |
10782 | } | |
10783 | ||
683b6d3b JB |
10784 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
10785 | goto nla_put_failure; | |
10786 | ||
10787 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 10788 | goto nla_put_failure; |
5314526b TP |
10789 | |
10790 | genlmsg_end(msg, hdr); | |
10791 | ||
68eb5503 | 10792 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10793 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
10794 | return; |
10795 | ||
10796 | nla_put_failure: | |
10797 | genlmsg_cancel(msg, hdr); | |
10798 | nlmsg_free(msg); | |
10799 | } | |
10800 | ||
947add36 JB |
10801 | void cfg80211_ch_switch_notify(struct net_device *dev, |
10802 | struct cfg80211_chan_def *chandef) | |
84f10708 | 10803 | { |
947add36 JB |
10804 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10805 | struct wiphy *wiphy = wdev->wiphy; | |
10806 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10807 | ||
10808 | trace_cfg80211_ch_switch_notify(dev, chandef); | |
10809 | ||
10810 | wdev_lock(wdev); | |
10811 | ||
10812 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
ee4bc9e7 | 10813 | wdev->iftype != NL80211_IFTYPE_P2P_GO && |
b8456a14 CYY |
10814 | wdev->iftype != NL80211_IFTYPE_ADHOC && |
10815 | wdev->iftype != NL80211_IFTYPE_MESH_POINT)) | |
947add36 JB |
10816 | goto out; |
10817 | ||
10818 | wdev->channel = chandef->chan; | |
10819 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); | |
10820 | out: | |
10821 | wdev_unlock(wdev); | |
10822 | return; | |
10823 | } | |
10824 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
10825 | ||
10826 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
10827 | const u8 *peer, u32 num_packets, | |
10828 | u32 rate, u32 intvl, gfp_t gfp) | |
10829 | { | |
10830 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10831 | struct wiphy *wiphy = wdev->wiphy; | |
10832 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
84f10708 TP |
10833 | struct sk_buff *msg; |
10834 | struct nlattr *pinfoattr; | |
10835 | void *hdr; | |
10836 | ||
10837 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10838 | if (!msg) | |
10839 | return; | |
10840 | ||
10841 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10842 | if (!hdr) { | |
10843 | nlmsg_free(msg); | |
10844 | return; | |
10845 | } | |
10846 | ||
10847 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 10848 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
10849 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10850 | goto nla_put_failure; | |
10851 | ||
10852 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10853 | if (!pinfoattr) | |
10854 | goto nla_put_failure; | |
10855 | ||
10856 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
10857 | goto nla_put_failure; | |
10858 | ||
10859 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
10860 | goto nla_put_failure; | |
10861 | ||
10862 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
10863 | goto nla_put_failure; | |
10864 | ||
10865 | nla_nest_end(msg, pinfoattr); | |
10866 | ||
10867 | genlmsg_end(msg, hdr); | |
10868 | ||
68eb5503 | 10869 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10870 | NL80211_MCGRP_MLME, gfp); |
84f10708 TP |
10871 | return; |
10872 | ||
10873 | nla_put_failure: | |
10874 | genlmsg_cancel(msg, hdr); | |
10875 | nlmsg_free(msg); | |
10876 | } | |
947add36 | 10877 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 10878 | |
04f39047 SW |
10879 | void |
10880 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
10881 | struct cfg80211_chan_def *chandef, | |
10882 | enum nl80211_radar_event event, | |
10883 | struct net_device *netdev, gfp_t gfp) | |
10884 | { | |
10885 | struct sk_buff *msg; | |
10886 | void *hdr; | |
10887 | ||
10888 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10889 | if (!msg) | |
10890 | return; | |
10891 | ||
10892 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
10893 | if (!hdr) { | |
10894 | nlmsg_free(msg); | |
10895 | return; | |
10896 | } | |
10897 | ||
10898 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
10899 | goto nla_put_failure; | |
10900 | ||
10901 | /* NOP and radar events don't need a netdev parameter */ | |
10902 | if (netdev) { | |
10903 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
10904 | ||
10905 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10906 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
10907 | goto nla_put_failure; | |
10908 | } | |
10909 | ||
10910 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
10911 | goto nla_put_failure; | |
10912 | ||
10913 | if (nl80211_send_chandef(msg, chandef)) | |
10914 | goto nla_put_failure; | |
10915 | ||
9c90a9f6 | 10916 | genlmsg_end(msg, hdr); |
04f39047 | 10917 | |
68eb5503 | 10918 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10919 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
10920 | return; |
10921 | ||
10922 | nla_put_failure: | |
10923 | genlmsg_cancel(msg, hdr); | |
10924 | nlmsg_free(msg); | |
10925 | } | |
10926 | ||
947add36 JB |
10927 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
10928 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 10929 | { |
947add36 JB |
10930 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10931 | struct wiphy *wiphy = wdev->wiphy; | |
10932 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
c063dbf5 JB |
10933 | struct sk_buff *msg; |
10934 | struct nlattr *pinfoattr; | |
10935 | void *hdr; | |
10936 | ||
947add36 JB |
10937 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
10938 | ||
58050fce | 10939 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
10940 | if (!msg) |
10941 | return; | |
10942 | ||
10943 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10944 | if (!hdr) { | |
10945 | nlmsg_free(msg); | |
10946 | return; | |
10947 | } | |
10948 | ||
9360ffd1 | 10949 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10950 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
10951 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10952 | goto nla_put_failure; | |
c063dbf5 JB |
10953 | |
10954 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10955 | if (!pinfoattr) | |
10956 | goto nla_put_failure; | |
10957 | ||
9360ffd1 DM |
10958 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
10959 | goto nla_put_failure; | |
c063dbf5 JB |
10960 | |
10961 | nla_nest_end(msg, pinfoattr); | |
10962 | ||
3b7b72ee | 10963 | genlmsg_end(msg, hdr); |
c063dbf5 | 10964 | |
68eb5503 | 10965 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10966 | NL80211_MCGRP_MLME, gfp); |
c063dbf5 JB |
10967 | return; |
10968 | ||
10969 | nla_put_failure: | |
10970 | genlmsg_cancel(msg, hdr); | |
10971 | nlmsg_free(msg); | |
10972 | } | |
947add36 | 10973 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 10974 | |
7f6cf311 JB |
10975 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
10976 | u64 cookie, bool acked, gfp_t gfp) | |
10977 | { | |
10978 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10979 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10980 | struct sk_buff *msg; | |
10981 | void *hdr; | |
7f6cf311 | 10982 | |
4ee3e063 BL |
10983 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
10984 | ||
58050fce | 10985 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 10986 | |
7f6cf311 JB |
10987 | if (!msg) |
10988 | return; | |
10989 | ||
10990 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
10991 | if (!hdr) { | |
10992 | nlmsg_free(msg); | |
10993 | return; | |
10994 | } | |
10995 | ||
9360ffd1 DM |
10996 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10997 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10998 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
10999 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11000 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11001 | goto nla_put_failure; | |
7f6cf311 | 11002 | |
9c90a9f6 | 11003 | genlmsg_end(msg, hdr); |
7f6cf311 | 11004 | |
68eb5503 | 11005 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11006 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
11007 | return; |
11008 | ||
11009 | nla_put_failure: | |
11010 | genlmsg_cancel(msg, hdr); | |
11011 | nlmsg_free(msg); | |
11012 | } | |
11013 | EXPORT_SYMBOL(cfg80211_probe_status); | |
11014 | ||
5e760230 JB |
11015 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
11016 | const u8 *frame, size_t len, | |
37c73b5f | 11017 | int freq, int sig_dbm) |
5e760230 JB |
11018 | { |
11019 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11020 | struct sk_buff *msg; | |
11021 | void *hdr; | |
37c73b5f | 11022 | struct cfg80211_beacon_registration *reg; |
5e760230 | 11023 | |
4ee3e063 BL |
11024 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
11025 | ||
37c73b5f BG |
11026 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11027 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11028 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
11029 | if (!msg) { | |
11030 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11031 | return; | |
11032 | } | |
5e760230 | 11033 | |
37c73b5f BG |
11034 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
11035 | if (!hdr) | |
11036 | goto nla_put_failure; | |
5e760230 | 11037 | |
37c73b5f BG |
11038 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11039 | (freq && | |
11040 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
11041 | (sig_dbm && | |
11042 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
11043 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
11044 | goto nla_put_failure; | |
5e760230 | 11045 | |
37c73b5f | 11046 | genlmsg_end(msg, hdr); |
5e760230 | 11047 | |
37c73b5f BG |
11048 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
11049 | } | |
11050 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
11051 | return; |
11052 | ||
11053 | nla_put_failure: | |
37c73b5f BG |
11054 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
11055 | if (hdr) | |
11056 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
11057 | nlmsg_free(msg); |
11058 | } | |
11059 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
11060 | ||
cd8f7cb4 JB |
11061 | #ifdef CONFIG_PM |
11062 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
11063 | struct cfg80211_wowlan_wakeup *wakeup, | |
11064 | gfp_t gfp) | |
11065 | { | |
11066 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11067 | struct sk_buff *msg; | |
11068 | void *hdr; | |
9c90a9f6 | 11069 | int size = 200; |
cd8f7cb4 JB |
11070 | |
11071 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
11072 | ||
11073 | if (wakeup) | |
11074 | size += wakeup->packet_present_len; | |
11075 | ||
11076 | msg = nlmsg_new(size, gfp); | |
11077 | if (!msg) | |
11078 | return; | |
11079 | ||
11080 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
11081 | if (!hdr) | |
11082 | goto free_msg; | |
11083 | ||
11084 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11085 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11086 | goto free_msg; | |
11087 | ||
11088 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11089 | wdev->netdev->ifindex)) | |
11090 | goto free_msg; | |
11091 | ||
11092 | if (wakeup) { | |
11093 | struct nlattr *reasons; | |
11094 | ||
11095 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
11096 | ||
11097 | if (wakeup->disconnect && | |
11098 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
11099 | goto free_msg; | |
11100 | if (wakeup->magic_pkt && | |
11101 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
11102 | goto free_msg; | |
11103 | if (wakeup->gtk_rekey_failure && | |
11104 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
11105 | goto free_msg; | |
11106 | if (wakeup->eap_identity_req && | |
11107 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
11108 | goto free_msg; | |
11109 | if (wakeup->four_way_handshake && | |
11110 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
11111 | goto free_msg; | |
11112 | if (wakeup->rfkill_release && | |
11113 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
11114 | goto free_msg; | |
11115 | ||
11116 | if (wakeup->pattern_idx >= 0 && | |
11117 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
11118 | wakeup->pattern_idx)) | |
11119 | goto free_msg; | |
11120 | ||
2a0e047e JB |
11121 | if (wakeup->tcp_match) |
11122 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH); | |
11123 | ||
11124 | if (wakeup->tcp_connlost) | |
11125 | nla_put_flag(msg, | |
11126 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST); | |
11127 | ||
11128 | if (wakeup->tcp_nomoretokens) | |
11129 | nla_put_flag(msg, | |
11130 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS); | |
11131 | ||
cd8f7cb4 JB |
11132 | if (wakeup->packet) { |
11133 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
11134 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
11135 | ||
11136 | if (!wakeup->packet_80211) { | |
11137 | pkt_attr = | |
11138 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
11139 | len_attr = | |
11140 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
11141 | } | |
11142 | ||
11143 | if (wakeup->packet_len && | |
11144 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
11145 | goto free_msg; | |
11146 | ||
11147 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
11148 | wakeup->packet)) | |
11149 | goto free_msg; | |
11150 | } | |
11151 | ||
11152 | nla_nest_end(msg, reasons); | |
11153 | } | |
11154 | ||
9c90a9f6 | 11155 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 11156 | |
68eb5503 | 11157 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11158 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
11159 | return; |
11160 | ||
11161 | free_msg: | |
11162 | nlmsg_free(msg); | |
11163 | } | |
11164 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
11165 | #endif | |
11166 | ||
3475b094 JM |
11167 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
11168 | enum nl80211_tdls_operation oper, | |
11169 | u16 reason_code, gfp_t gfp) | |
11170 | { | |
11171 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11172 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11173 | struct sk_buff *msg; | |
11174 | void *hdr; | |
3475b094 JM |
11175 | |
11176 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
11177 | reason_code); | |
11178 | ||
11179 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11180 | if (!msg) | |
11181 | return; | |
11182 | ||
11183 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
11184 | if (!hdr) { | |
11185 | nlmsg_free(msg); | |
11186 | return; | |
11187 | } | |
11188 | ||
11189 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11190 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11191 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
11192 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
11193 | (reason_code > 0 && | |
11194 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
11195 | goto nla_put_failure; | |
11196 | ||
9c90a9f6 | 11197 | genlmsg_end(msg, hdr); |
3475b094 | 11198 | |
68eb5503 | 11199 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11200 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
11201 | return; |
11202 | ||
11203 | nla_put_failure: | |
11204 | genlmsg_cancel(msg, hdr); | |
11205 | nlmsg_free(msg); | |
11206 | } | |
11207 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
11208 | ||
026331c4 JM |
11209 | static int nl80211_netlink_notify(struct notifier_block * nb, |
11210 | unsigned long state, | |
11211 | void *_notify) | |
11212 | { | |
11213 | struct netlink_notify *notify = _notify; | |
11214 | struct cfg80211_registered_device *rdev; | |
11215 | struct wireless_dev *wdev; | |
37c73b5f | 11216 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
11217 | |
11218 | if (state != NETLINK_URELEASE) | |
11219 | return NOTIFY_DONE; | |
11220 | ||
11221 | rcu_read_lock(); | |
11222 | ||
5e760230 | 11223 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
89a54e48 | 11224 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) |
15e47304 | 11225 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f BG |
11226 | |
11227 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
11228 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
11229 | list) { | |
11230 | if (reg->nlportid == notify->portid) { | |
11231 | list_del(®->list); | |
11232 | kfree(reg); | |
11233 | break; | |
11234 | } | |
11235 | } | |
11236 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 11237 | } |
026331c4 JM |
11238 | |
11239 | rcu_read_unlock(); | |
11240 | ||
11241 | return NOTIFY_DONE; | |
11242 | } | |
11243 | ||
11244 | static struct notifier_block nl80211_netlink_notifier = { | |
11245 | .notifier_call = nl80211_netlink_notify, | |
11246 | }; | |
11247 | ||
355199e0 JM |
11248 | void cfg80211_ft_event(struct net_device *netdev, |
11249 | struct cfg80211_ft_event_params *ft_event) | |
11250 | { | |
11251 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
11252 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11253 | struct sk_buff *msg; | |
11254 | void *hdr; | |
355199e0 JM |
11255 | |
11256 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
11257 | ||
11258 | if (!ft_event->target_ap) | |
11259 | return; | |
11260 | ||
11261 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11262 | if (!msg) | |
11263 | return; | |
11264 | ||
11265 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
11266 | if (!hdr) { | |
11267 | nlmsg_free(msg); | |
11268 | return; | |
11269 | } | |
11270 | ||
11271 | nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
11272 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
11273 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap); | |
11274 | if (ft_event->ies) | |
11275 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies); | |
11276 | if (ft_event->ric_ies) | |
11277 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
11278 | ft_event->ric_ies); | |
11279 | ||
9c90a9f6 | 11280 | genlmsg_end(msg, hdr); |
355199e0 | 11281 | |
68eb5503 | 11282 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11283 | NL80211_MCGRP_MLME, GFP_KERNEL); |
355199e0 JM |
11284 | } |
11285 | EXPORT_SYMBOL(cfg80211_ft_event); | |
11286 | ||
5de17984 AS |
11287 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
11288 | { | |
11289 | struct cfg80211_registered_device *rdev; | |
11290 | struct sk_buff *msg; | |
11291 | void *hdr; | |
11292 | u32 nlportid; | |
11293 | ||
11294 | rdev = wiphy_to_dev(wdev->wiphy); | |
11295 | if (!rdev->crit_proto_nlportid) | |
11296 | return; | |
11297 | ||
11298 | nlportid = rdev->crit_proto_nlportid; | |
11299 | rdev->crit_proto_nlportid = 0; | |
11300 | ||
11301 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11302 | if (!msg) | |
11303 | return; | |
11304 | ||
11305 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
11306 | if (!hdr) | |
11307 | goto nla_put_failure; | |
11308 | ||
11309 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11310 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11311 | goto nla_put_failure; | |
11312 | ||
11313 | genlmsg_end(msg, hdr); | |
11314 | ||
11315 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
11316 | return; | |
11317 | ||
11318 | nla_put_failure: | |
11319 | if (hdr) | |
11320 | genlmsg_cancel(msg, hdr); | |
11321 | nlmsg_free(msg); | |
11322 | ||
11323 | } | |
11324 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
11325 | ||
55682965 JB |
11326 | /* initialisation/exit functions */ |
11327 | ||
11328 | int nl80211_init(void) | |
11329 | { | |
0d63cbb5 | 11330 | int err; |
55682965 | 11331 | |
2a94fe48 JB |
11332 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
11333 | nl80211_mcgrps); | |
55682965 JB |
11334 | if (err) |
11335 | return err; | |
11336 | ||
026331c4 JM |
11337 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
11338 | if (err) | |
11339 | goto err_out; | |
11340 | ||
55682965 JB |
11341 | return 0; |
11342 | err_out: | |
11343 | genl_unregister_family(&nl80211_fam); | |
11344 | return err; | |
11345 | } | |
11346 | ||
11347 | void nl80211_exit(void) | |
11348 | { | |
026331c4 | 11349 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
11350 | genl_unregister_family(&nl80211_fam); |
11351 | } |