]>
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, | |
567ffc35 | 56 | NL80211_MCGRP_VENDOR, |
2a94fe48 JB |
57 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
58 | }; | |
59 | ||
60 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
61 | [NL80211_MCGRP_CONFIG] = { .name = "config", }, | |
62 | [NL80211_MCGRP_SCAN] = { .name = "scan", }, | |
63 | [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", }, | |
64 | [NL80211_MCGRP_MLME] = { .name = "mlme", }, | |
567ffc35 | 65 | [NL80211_MCGRP_VENDOR] = { .name = "vendor", }, |
2a94fe48 JB |
66 | #ifdef CONFIG_NL80211_TESTMODE |
67 | [NL80211_MCGRP_TESTMODE] = { .name = "testmode", } | |
68 | #endif | |
69 | }; | |
70 | ||
89a54e48 JB |
71 | /* returns ERR_PTR values */ |
72 | static struct wireless_dev * | |
73 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 74 | { |
89a54e48 JB |
75 | struct cfg80211_registered_device *rdev; |
76 | struct wireless_dev *result = NULL; | |
77 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
78 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
79 | u64 wdev_id; | |
80 | int wiphy_idx = -1; | |
81 | int ifidx = -1; | |
55682965 | 82 | |
5fe231e8 | 83 | ASSERT_RTNL(); |
55682965 | 84 | |
89a54e48 JB |
85 | if (!have_ifidx && !have_wdev_id) |
86 | return ERR_PTR(-EINVAL); | |
55682965 | 87 | |
89a54e48 JB |
88 | if (have_ifidx) |
89 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
90 | if (have_wdev_id) { | |
91 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
92 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
93 | } |
94 | ||
89a54e48 JB |
95 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
96 | struct wireless_dev *wdev; | |
97 | ||
98 | if (wiphy_net(&rdev->wiphy) != netns) | |
99 | continue; | |
100 | ||
101 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
102 | continue; | |
103 | ||
89a54e48 JB |
104 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
105 | if (have_ifidx && wdev->netdev && | |
106 | wdev->netdev->ifindex == ifidx) { | |
107 | result = wdev; | |
108 | break; | |
109 | } | |
110 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
111 | result = wdev; | |
112 | break; | |
113 | } | |
114 | } | |
89a54e48 JB |
115 | |
116 | if (result) | |
117 | break; | |
118 | } | |
119 | ||
120 | if (result) | |
121 | return result; | |
122 | return ERR_PTR(-ENODEV); | |
55682965 JB |
123 | } |
124 | ||
a9455408 | 125 | static struct cfg80211_registered_device * |
878d9ec7 | 126 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 127 | { |
7fee4778 JB |
128 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
129 | struct net_device *netdev; | |
a9455408 | 130 | |
5fe231e8 | 131 | ASSERT_RTNL(); |
a9455408 | 132 | |
878d9ec7 | 133 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
134 | !attrs[NL80211_ATTR_IFINDEX] && |
135 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
136 | return ERR_PTR(-EINVAL); |
137 | ||
878d9ec7 | 138 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 139 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 140 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 141 | |
89a54e48 JB |
142 | if (attrs[NL80211_ATTR_WDEV]) { |
143 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
144 | struct wireless_dev *wdev; | |
145 | bool found = false; | |
146 | ||
147 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
148 | if (tmp) { | |
149 | /* make sure wdev exists */ | |
89a54e48 JB |
150 | list_for_each_entry(wdev, &tmp->wdev_list, list) { |
151 | if (wdev->identifier != (u32)wdev_id) | |
152 | continue; | |
153 | found = true; | |
154 | break; | |
155 | } | |
89a54e48 JB |
156 | |
157 | if (!found) | |
158 | tmp = NULL; | |
159 | ||
160 | if (rdev && tmp != rdev) | |
161 | return ERR_PTR(-EINVAL); | |
162 | rdev = tmp; | |
163 | } | |
164 | } | |
165 | ||
878d9ec7 JB |
166 | if (attrs[NL80211_ATTR_IFINDEX]) { |
167 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7f2b8562 | 168 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
169 | if (netdev) { |
170 | if (netdev->ieee80211_ptr) | |
171 | tmp = wiphy_to_dev( | |
172 | netdev->ieee80211_ptr->wiphy); | |
173 | else | |
174 | tmp = NULL; | |
175 | ||
7fee4778 JB |
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 }, |
60f4a7b1 | 379 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
380 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
381 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
382 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
383 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
384 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
55682965 JB |
385 | }; |
386 | ||
e31b8213 | 387 | /* policy for the key attributes */ |
b54452b0 | 388 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 389 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
390 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
391 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 392 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
393 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
394 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 395 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
396 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
397 | }; | |
398 | ||
399 | /* policy for the key default flags */ | |
400 | static const struct nla_policy | |
401 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
402 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
403 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
404 | }; |
405 | ||
ff1b6e69 JB |
406 | /* policy for WoWLAN attributes */ |
407 | static const struct nla_policy | |
408 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
409 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
410 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
411 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
412 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
413 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
414 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
415 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
416 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e JB |
417 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
418 | }; | |
419 | ||
420 | static const struct nla_policy | |
421 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
422 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
423 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
424 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
425 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
426 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
427 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
428 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
429 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
430 | }, | |
431 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
432 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
433 | }, | |
434 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
435 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
436 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
437 | }; |
438 | ||
be29b99a AK |
439 | /* policy for coalesce rule attributes */ |
440 | static const struct nla_policy | |
441 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
442 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
443 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
444 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
445 | }; | |
446 | ||
e5497d76 JB |
447 | /* policy for GTK rekey offload attributes */ |
448 | static const struct nla_policy | |
449 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
450 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
451 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
452 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
453 | }; | |
454 | ||
a1f1c21c LC |
455 | static const struct nla_policy |
456 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 457 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 458 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 459 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
460 | }; |
461 | ||
97990a06 JB |
462 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
463 | struct netlink_callback *cb, | |
464 | struct cfg80211_registered_device **rdev, | |
465 | struct wireless_dev **wdev) | |
a043897a | 466 | { |
97990a06 | 467 | int err; |
a043897a | 468 | |
97990a06 | 469 | rtnl_lock(); |
a043897a | 470 | |
97990a06 JB |
471 | if (!cb->args[0]) { |
472 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
473 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
474 | nl80211_policy); | |
475 | if (err) | |
476 | goto out_unlock; | |
67748893 | 477 | |
97990a06 JB |
478 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
479 | nl80211_fam.attrbuf); | |
480 | if (IS_ERR(*wdev)) { | |
481 | err = PTR_ERR(*wdev); | |
482 | goto out_unlock; | |
483 | } | |
484 | *rdev = wiphy_to_dev((*wdev)->wiphy); | |
c319d50b JB |
485 | /* 0 is the first index - add 1 to parse only once */ |
486 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
487 | cb->args[1] = (*wdev)->identifier; |
488 | } else { | |
c319d50b JB |
489 | /* subtract the 1 again here */ |
490 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 491 | struct wireless_dev *tmp; |
67748893 | 492 | |
97990a06 JB |
493 | if (!wiphy) { |
494 | err = -ENODEV; | |
495 | goto out_unlock; | |
496 | } | |
497 | *rdev = wiphy_to_dev(wiphy); | |
498 | *wdev = NULL; | |
67748893 | 499 | |
97990a06 JB |
500 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
501 | if (tmp->identifier == cb->args[1]) { | |
502 | *wdev = tmp; | |
503 | break; | |
504 | } | |
505 | } | |
67748893 | 506 | |
97990a06 JB |
507 | if (!*wdev) { |
508 | err = -ENODEV; | |
509 | goto out_unlock; | |
510 | } | |
67748893 JB |
511 | } |
512 | ||
67748893 | 513 | return 0; |
97990a06 | 514 | out_unlock: |
67748893 JB |
515 | rtnl_unlock(); |
516 | return err; | |
517 | } | |
518 | ||
97990a06 | 519 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 520 | { |
67748893 JB |
521 | rtnl_unlock(); |
522 | } | |
523 | ||
f4a11bb0 JB |
524 | /* IE validation */ |
525 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
526 | { | |
527 | const u8 *pos; | |
528 | int len; | |
529 | ||
530 | if (!attr) | |
531 | return true; | |
532 | ||
533 | pos = nla_data(attr); | |
534 | len = nla_len(attr); | |
535 | ||
536 | while (len) { | |
537 | u8 elemlen; | |
538 | ||
539 | if (len < 2) | |
540 | return false; | |
541 | len -= 2; | |
542 | ||
543 | elemlen = pos[1]; | |
544 | if (elemlen > len) | |
545 | return false; | |
546 | ||
547 | len -= elemlen; | |
548 | pos += 2 + elemlen; | |
549 | } | |
550 | ||
551 | return true; | |
552 | } | |
553 | ||
55682965 | 554 | /* message building helper */ |
15e47304 | 555 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
556 | int flags, u8 cmd) |
557 | { | |
558 | /* since there is no private header just add the generic one */ | |
15e47304 | 559 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
560 | } |
561 | ||
5dab3b8a | 562 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
563 | struct ieee80211_channel *chan, |
564 | bool large) | |
5dab3b8a | 565 | { |
9360ffd1 DM |
566 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
567 | chan->center_freq)) | |
568 | goto nla_put_failure; | |
5dab3b8a | 569 | |
9360ffd1 DM |
570 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
571 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
572 | goto nla_put_failure; | |
8fe02e16 LR |
573 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
574 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
575 | goto nla_put_failure; | |
576 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
577 | goto nla_put_failure; | |
578 | } | |
cdc89b97 JB |
579 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
580 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
581 | goto nla_put_failure; | |
582 | if (large) { | |
583 | u32 time; | |
584 | ||
585 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
586 | ||
587 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
588 | chan->dfs_state)) | |
589 | goto nla_put_failure; | |
590 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
591 | time)) | |
592 | goto nla_put_failure; | |
593 | } | |
594 | } | |
5dab3b8a | 595 | |
fe1abafd JB |
596 | if (large) { |
597 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
598 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
599 | goto nla_put_failure; | |
600 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
601 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
602 | goto nla_put_failure; | |
603 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
604 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
605 | goto nla_put_failure; | |
606 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
607 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
608 | goto nla_put_failure; | |
609 | } | |
610 | ||
9360ffd1 DM |
611 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
612 | DBM_TO_MBM(chan->max_power))) | |
613 | goto nla_put_failure; | |
5dab3b8a LR |
614 | |
615 | return 0; | |
616 | ||
617 | nla_put_failure: | |
618 | return -ENOBUFS; | |
619 | } | |
620 | ||
55682965 JB |
621 | /* netlink command implementations */ |
622 | ||
b9454e83 JB |
623 | struct key_parse { |
624 | struct key_params p; | |
625 | int idx; | |
e31b8213 | 626 | int type; |
b9454e83 | 627 | bool def, defmgmt; |
dbd2fd65 | 628 | bool def_uni, def_multi; |
b9454e83 JB |
629 | }; |
630 | ||
631 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
632 | { | |
633 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
634 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
635 | nl80211_key_policy); | |
636 | if (err) | |
637 | return err; | |
638 | ||
639 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
640 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
641 | ||
dbd2fd65 JB |
642 | if (k->def) { |
643 | k->def_uni = true; | |
644 | k->def_multi = true; | |
645 | } | |
646 | if (k->defmgmt) | |
647 | k->def_multi = true; | |
648 | ||
b9454e83 JB |
649 | if (tb[NL80211_KEY_IDX]) |
650 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
651 | ||
652 | if (tb[NL80211_KEY_DATA]) { | |
653 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
654 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
655 | } | |
656 | ||
657 | if (tb[NL80211_KEY_SEQ]) { | |
658 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
659 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
660 | } | |
661 | ||
662 | if (tb[NL80211_KEY_CIPHER]) | |
663 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
664 | ||
e31b8213 JB |
665 | if (tb[NL80211_KEY_TYPE]) { |
666 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
667 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
668 | return -EINVAL; | |
669 | } | |
670 | ||
dbd2fd65 JB |
671 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
672 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
673 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
674 | tb[NL80211_KEY_DEFAULT_TYPES], | |
675 | nl80211_key_default_policy); | |
dbd2fd65 JB |
676 | if (err) |
677 | return err; | |
678 | ||
679 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
680 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
681 | } | |
682 | ||
b9454e83 JB |
683 | return 0; |
684 | } | |
685 | ||
686 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
687 | { | |
688 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
689 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
690 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
691 | } | |
692 | ||
693 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
694 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
695 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
696 | } | |
697 | ||
698 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
699 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
700 | ||
701 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
702 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
703 | ||
704 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
705 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
706 | ||
dbd2fd65 JB |
707 | if (k->def) { |
708 | k->def_uni = true; | |
709 | k->def_multi = true; | |
710 | } | |
711 | if (k->defmgmt) | |
712 | k->def_multi = true; | |
713 | ||
e31b8213 JB |
714 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
715 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
716 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
717 | return -EINVAL; | |
718 | } | |
719 | ||
dbd2fd65 JB |
720 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
721 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
722 | int err = nla_parse_nested( | |
723 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
724 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
725 | nl80211_key_default_policy); | |
726 | if (err) | |
727 | return err; | |
728 | ||
729 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
730 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
731 | } | |
732 | ||
b9454e83 JB |
733 | return 0; |
734 | } | |
735 | ||
736 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
737 | { | |
738 | int err; | |
739 | ||
740 | memset(k, 0, sizeof(*k)); | |
741 | k->idx = -1; | |
e31b8213 | 742 | k->type = -1; |
b9454e83 JB |
743 | |
744 | if (info->attrs[NL80211_ATTR_KEY]) | |
745 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
746 | else | |
747 | err = nl80211_parse_key_old(info, k); | |
748 | ||
749 | if (err) | |
750 | return err; | |
751 | ||
752 | if (k->def && k->defmgmt) | |
753 | return -EINVAL; | |
754 | ||
dbd2fd65 JB |
755 | if (k->defmgmt) { |
756 | if (k->def_uni || !k->def_multi) | |
757 | return -EINVAL; | |
758 | } | |
759 | ||
b9454e83 JB |
760 | if (k->idx != -1) { |
761 | if (k->defmgmt) { | |
762 | if (k->idx < 4 || k->idx > 5) | |
763 | return -EINVAL; | |
764 | } else if (k->def) { | |
765 | if (k->idx < 0 || k->idx > 3) | |
766 | return -EINVAL; | |
767 | } else { | |
768 | if (k->idx < 0 || k->idx > 5) | |
769 | return -EINVAL; | |
770 | } | |
771 | } | |
772 | ||
773 | return 0; | |
774 | } | |
775 | ||
fffd0934 JB |
776 | static struct cfg80211_cached_keys * |
777 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 778 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
779 | { |
780 | struct key_parse parse; | |
781 | struct nlattr *key; | |
782 | struct cfg80211_cached_keys *result; | |
783 | int rem, err, def = 0; | |
784 | ||
785 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
786 | if (!result) | |
787 | return ERR_PTR(-ENOMEM); | |
788 | ||
789 | result->def = -1; | |
790 | result->defmgmt = -1; | |
791 | ||
792 | nla_for_each_nested(key, keys, rem) { | |
793 | memset(&parse, 0, sizeof(parse)); | |
794 | parse.idx = -1; | |
795 | ||
796 | err = nl80211_parse_key_new(key, &parse); | |
797 | if (err) | |
798 | goto error; | |
799 | err = -EINVAL; | |
800 | if (!parse.p.key) | |
801 | goto error; | |
802 | if (parse.idx < 0 || parse.idx > 4) | |
803 | goto error; | |
804 | if (parse.def) { | |
805 | if (def) | |
806 | goto error; | |
807 | def = 1; | |
808 | result->def = parse.idx; | |
dbd2fd65 JB |
809 | if (!parse.def_uni || !parse.def_multi) |
810 | goto error; | |
fffd0934 JB |
811 | } else if (parse.defmgmt) |
812 | goto error; | |
813 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 814 | parse.idx, false, NULL); |
fffd0934 JB |
815 | if (err) |
816 | goto error; | |
817 | result->params[parse.idx].cipher = parse.p.cipher; | |
818 | result->params[parse.idx].key_len = parse.p.key_len; | |
819 | result->params[parse.idx].key = result->data[parse.idx]; | |
820 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
821 | |
822 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
823 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
824 | if (no_ht) | |
825 | *no_ht = true; | |
826 | } | |
fffd0934 JB |
827 | } |
828 | ||
829 | return result; | |
830 | error: | |
831 | kfree(result); | |
832 | return ERR_PTR(err); | |
833 | } | |
834 | ||
835 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
836 | { | |
837 | ASSERT_WDEV_LOCK(wdev); | |
838 | ||
fffd0934 JB |
839 | switch (wdev->iftype) { |
840 | case NL80211_IFTYPE_AP: | |
841 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 842 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 843 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
844 | break; |
845 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 846 | case NL80211_IFTYPE_STATION: |
074ac8df | 847 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 848 | if (!wdev->current_bss) |
fffd0934 JB |
849 | return -ENOLINK; |
850 | break; | |
851 | default: | |
852 | return -EINVAL; | |
853 | } | |
854 | ||
855 | return 0; | |
856 | } | |
857 | ||
7527a782 JB |
858 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
859 | { | |
860 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
861 | int i; | |
862 | ||
863 | if (!nl_modes) | |
864 | goto nla_put_failure; | |
865 | ||
866 | i = 0; | |
867 | while (ifmodes) { | |
9360ffd1 DM |
868 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
869 | goto nla_put_failure; | |
7527a782 JB |
870 | ifmodes >>= 1; |
871 | i++; | |
872 | } | |
873 | ||
874 | nla_nest_end(msg, nl_modes); | |
875 | return 0; | |
876 | ||
877 | nla_put_failure: | |
878 | return -ENOBUFS; | |
879 | } | |
880 | ||
881 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
882 | struct sk_buff *msg, |
883 | bool large) | |
7527a782 JB |
884 | { |
885 | struct nlattr *nl_combis; | |
886 | int i, j; | |
887 | ||
888 | nl_combis = nla_nest_start(msg, | |
889 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
890 | if (!nl_combis) | |
891 | goto nla_put_failure; | |
892 | ||
893 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
894 | const struct ieee80211_iface_combination *c; | |
895 | struct nlattr *nl_combi, *nl_limits; | |
896 | ||
897 | c = &wiphy->iface_combinations[i]; | |
898 | ||
899 | nl_combi = nla_nest_start(msg, i + 1); | |
900 | if (!nl_combi) | |
901 | goto nla_put_failure; | |
902 | ||
903 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
904 | if (!nl_limits) | |
905 | goto nla_put_failure; | |
906 | ||
907 | for (j = 0; j < c->n_limits; j++) { | |
908 | struct nlattr *nl_limit; | |
909 | ||
910 | nl_limit = nla_nest_start(msg, j + 1); | |
911 | if (!nl_limit) | |
912 | goto nla_put_failure; | |
9360ffd1 DM |
913 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
914 | c->limits[j].max)) | |
915 | goto nla_put_failure; | |
7527a782 JB |
916 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
917 | c->limits[j].types)) | |
918 | goto nla_put_failure; | |
919 | nla_nest_end(msg, nl_limit); | |
920 | } | |
921 | ||
922 | nla_nest_end(msg, nl_limits); | |
923 | ||
9360ffd1 DM |
924 | if (c->beacon_int_infra_match && |
925 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
926 | goto nla_put_failure; | |
927 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
928 | c->num_different_channels) || | |
929 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
930 | c->max_interfaces)) | |
931 | goto nla_put_failure; | |
cdc89b97 JB |
932 | if (large && |
933 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, | |
934 | c->radar_detect_widths)) | |
935 | goto nla_put_failure; | |
7527a782 JB |
936 | |
937 | nla_nest_end(msg, nl_combi); | |
938 | } | |
939 | ||
940 | nla_nest_end(msg, nl_combis); | |
941 | ||
942 | return 0; | |
943 | nla_put_failure: | |
944 | return -ENOBUFS; | |
945 | } | |
946 | ||
3713b4e3 | 947 | #ifdef CONFIG_PM |
b56cf720 JB |
948 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
949 | struct sk_buff *msg) | |
950 | { | |
964dc9e2 | 951 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
952 | struct nlattr *nl_tcp; |
953 | ||
954 | if (!tcp) | |
955 | return 0; | |
956 | ||
957 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
958 | if (!nl_tcp) | |
959 | return -ENOBUFS; | |
960 | ||
961 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
962 | tcp->data_payload_max)) | |
963 | return -ENOBUFS; | |
964 | ||
965 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
966 | tcp->data_payload_max)) | |
967 | return -ENOBUFS; | |
968 | ||
969 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
970 | return -ENOBUFS; | |
971 | ||
972 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
973 | sizeof(*tcp->tok), tcp->tok)) | |
974 | return -ENOBUFS; | |
975 | ||
976 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
977 | tcp->data_interval_max)) | |
978 | return -ENOBUFS; | |
979 | ||
980 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
981 | tcp->wake_payload_max)) | |
982 | return -ENOBUFS; | |
983 | ||
984 | nla_nest_end(msg, nl_tcp); | |
985 | return 0; | |
986 | } | |
987 | ||
3713b4e3 | 988 | static int nl80211_send_wowlan(struct sk_buff *msg, |
b56cf720 JB |
989 | struct cfg80211_registered_device *dev, |
990 | bool large) | |
55682965 | 991 | { |
3713b4e3 | 992 | struct nlattr *nl_wowlan; |
55682965 | 993 | |
964dc9e2 | 994 | if (!dev->wiphy.wowlan) |
3713b4e3 | 995 | return 0; |
55682965 | 996 | |
3713b4e3 JB |
997 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
998 | if (!nl_wowlan) | |
999 | return -ENOBUFS; | |
9360ffd1 | 1000 | |
964dc9e2 | 1001 | if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1002 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
964dc9e2 | 1003 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1004 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
964dc9e2 | 1005 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1006 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
964dc9e2 | 1007 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1008 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
964dc9e2 | 1009 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1010 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
964dc9e2 | 1011 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1012 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
964dc9e2 | 1013 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1014 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
964dc9e2 | 1015 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1016 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1017 | return -ENOBUFS; | |
9360ffd1 | 1018 | |
964dc9e2 | 1019 | if (dev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1020 | struct nl80211_pattern_support pat = { |
964dc9e2 JB |
1021 | .max_patterns = dev->wiphy.wowlan->n_patterns, |
1022 | .min_pattern_len = dev->wiphy.wowlan->pattern_min_len, | |
1023 | .max_pattern_len = dev->wiphy.wowlan->pattern_max_len, | |
1024 | .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1025 | }; |
9360ffd1 | 1026 | |
3713b4e3 JB |
1027 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1028 | sizeof(pat), &pat)) | |
1029 | return -ENOBUFS; | |
1030 | } | |
9360ffd1 | 1031 | |
b56cf720 JB |
1032 | if (large && nl80211_send_wowlan_tcp_caps(dev, msg)) |
1033 | return -ENOBUFS; | |
1034 | ||
3713b4e3 | 1035 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1036 | |
3713b4e3 JB |
1037 | return 0; |
1038 | } | |
1039 | #endif | |
9360ffd1 | 1040 | |
be29b99a AK |
1041 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1042 | struct cfg80211_registered_device *dev) | |
1043 | { | |
1044 | struct nl80211_coalesce_rule_support rule; | |
1045 | ||
1046 | if (!dev->wiphy.coalesce) | |
1047 | return 0; | |
1048 | ||
1049 | rule.max_rules = dev->wiphy.coalesce->n_rules; | |
1050 | rule.max_delay = dev->wiphy.coalesce->max_delay; | |
1051 | rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns; | |
1052 | rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len; | |
1053 | rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len; | |
1054 | rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset; | |
1055 | ||
1056 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1057 | return -ENOBUFS; | |
1058 | ||
1059 | return 0; | |
1060 | } | |
1061 | ||
3713b4e3 JB |
1062 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1063 | struct ieee80211_supported_band *sband) | |
1064 | { | |
1065 | struct nlattr *nl_rates, *nl_rate; | |
1066 | struct ieee80211_rate *rate; | |
1067 | int i; | |
87bbbe22 | 1068 | |
3713b4e3 JB |
1069 | /* add HT info */ |
1070 | if (sband->ht_cap.ht_supported && | |
1071 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1072 | sizeof(sband->ht_cap.mcs), | |
1073 | &sband->ht_cap.mcs) || | |
1074 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1075 | sband->ht_cap.cap) || | |
1076 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1077 | sband->ht_cap.ampdu_factor) || | |
1078 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1079 | sband->ht_cap.ampdu_density))) | |
1080 | return -ENOBUFS; | |
afe0cbf8 | 1081 | |
3713b4e3 JB |
1082 | /* add VHT info */ |
1083 | if (sband->vht_cap.vht_supported && | |
1084 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1085 | sizeof(sband->vht_cap.vht_mcs), | |
1086 | &sband->vht_cap.vht_mcs) || | |
1087 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1088 | sband->vht_cap.cap))) | |
1089 | return -ENOBUFS; | |
f59ac048 | 1090 | |
3713b4e3 JB |
1091 | /* add bitrates */ |
1092 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1093 | if (!nl_rates) | |
1094 | return -ENOBUFS; | |
ee688b00 | 1095 | |
3713b4e3 JB |
1096 | for (i = 0; i < sband->n_bitrates; i++) { |
1097 | nl_rate = nla_nest_start(msg, i); | |
1098 | if (!nl_rate) | |
1099 | return -ENOBUFS; | |
ee688b00 | 1100 | |
3713b4e3 JB |
1101 | rate = &sband->bitrates[i]; |
1102 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1103 | rate->bitrate)) | |
1104 | return -ENOBUFS; | |
1105 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1106 | nla_put_flag(msg, | |
1107 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1108 | return -ENOBUFS; | |
ee688b00 | 1109 | |
3713b4e3 JB |
1110 | nla_nest_end(msg, nl_rate); |
1111 | } | |
d51626df | 1112 | |
3713b4e3 | 1113 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1114 | |
3713b4e3 JB |
1115 | return 0; |
1116 | } | |
ee688b00 | 1117 | |
3713b4e3 JB |
1118 | static int |
1119 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1120 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1121 | { | |
1122 | u16 stypes; | |
1123 | struct nlattr *nl_ftypes, *nl_ifs; | |
1124 | enum nl80211_iftype ift; | |
1125 | int i; | |
ee688b00 | 1126 | |
3713b4e3 JB |
1127 | if (!mgmt_stypes) |
1128 | return 0; | |
5dab3b8a | 1129 | |
3713b4e3 JB |
1130 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1131 | if (!nl_ifs) | |
1132 | return -ENOBUFS; | |
e2f367f2 | 1133 | |
3713b4e3 JB |
1134 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1135 | nl_ftypes = nla_nest_start(msg, ift); | |
1136 | if (!nl_ftypes) | |
1137 | return -ENOBUFS; | |
1138 | i = 0; | |
1139 | stypes = mgmt_stypes[ift].tx; | |
1140 | while (stypes) { | |
1141 | if ((stypes & 1) && | |
1142 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1143 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1144 | return -ENOBUFS; | |
1145 | stypes >>= 1; | |
1146 | i++; | |
ee688b00 | 1147 | } |
3713b4e3 JB |
1148 | nla_nest_end(msg, nl_ftypes); |
1149 | } | |
ee688b00 | 1150 | |
3713b4e3 | 1151 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1152 | |
3713b4e3 JB |
1153 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1154 | if (!nl_ifs) | |
1155 | return -ENOBUFS; | |
ee688b00 | 1156 | |
3713b4e3 JB |
1157 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1158 | nl_ftypes = nla_nest_start(msg, ift); | |
1159 | if (!nl_ftypes) | |
1160 | return -ENOBUFS; | |
1161 | i = 0; | |
1162 | stypes = mgmt_stypes[ift].rx; | |
1163 | while (stypes) { | |
1164 | if ((stypes & 1) && | |
1165 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1166 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1167 | return -ENOBUFS; | |
1168 | stypes >>= 1; | |
1169 | i++; | |
1170 | } | |
1171 | nla_nest_end(msg, nl_ftypes); | |
1172 | } | |
1173 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1174 | |
3713b4e3 JB |
1175 | return 0; |
1176 | } | |
ee688b00 | 1177 | |
86e8cf98 JB |
1178 | struct nl80211_dump_wiphy_state { |
1179 | s64 filter_wiphy; | |
1180 | long start; | |
1181 | long split_start, band_start, chan_start; | |
1182 | bool split; | |
1183 | }; | |
1184 | ||
3713b4e3 JB |
1185 | static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, |
1186 | struct sk_buff *msg, u32 portid, u32 seq, | |
86e8cf98 | 1187 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1188 | { |
1189 | void *hdr; | |
1190 | struct nlattr *nl_bands, *nl_band; | |
1191 | struct nlattr *nl_freqs, *nl_freq; | |
1192 | struct nlattr *nl_cmds; | |
1193 | enum ieee80211_band band; | |
1194 | struct ieee80211_channel *chan; | |
1195 | int i; | |
1196 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1197 | dev->wiphy.mgmt_stypes; | |
fe1abafd | 1198 | u32 features; |
ee688b00 | 1199 | |
3713b4e3 JB |
1200 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); |
1201 | if (!hdr) | |
1202 | return -ENOBUFS; | |
ee688b00 | 1203 | |
86e8cf98 JB |
1204 | if (WARN_ON(!state)) |
1205 | return -EINVAL; | |
ee688b00 | 1206 | |
3713b4e3 JB |
1207 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) || |
1208 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, | |
1209 | wiphy_name(&dev->wiphy)) || | |
1210 | nla_put_u32(msg, NL80211_ATTR_GENERATION, | |
1211 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1212 | goto nla_put_failure; |
1213 | ||
86e8cf98 | 1214 | switch (state->split_start) { |
3713b4e3 JB |
1215 | case 0: |
1216 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1217 | dev->wiphy.retry_short) || | |
1218 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
1219 | dev->wiphy.retry_long) || | |
1220 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
1221 | dev->wiphy.frag_threshold) || | |
1222 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
1223 | dev->wiphy.rts_threshold) || | |
1224 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, | |
1225 | dev->wiphy.coverage_class) || | |
1226 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, | |
1227 | dev->wiphy.max_scan_ssids) || | |
1228 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, | |
1229 | dev->wiphy.max_sched_scan_ssids) || | |
1230 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, | |
1231 | dev->wiphy.max_scan_ie_len) || | |
1232 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, | |
1233 | dev->wiphy.max_sched_scan_ie_len) || | |
1234 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, | |
1235 | dev->wiphy.max_match_sets)) | |
9360ffd1 | 1236 | goto nla_put_failure; |
3713b4e3 JB |
1237 | |
1238 | if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && | |
1239 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) | |
aa430da4 | 1240 | goto nla_put_failure; |
3713b4e3 JB |
1241 | if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
1242 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) | |
1243 | goto nla_put_failure; | |
1244 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
1245 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) | |
1246 | goto nla_put_failure; | |
1247 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && | |
1248 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) | |
1249 | goto nla_put_failure; | |
1250 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && | |
1251 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) | |
1252 | goto nla_put_failure; | |
1253 | if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && | |
1254 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) | |
9360ffd1 | 1255 | goto nla_put_failure; |
86e8cf98 JB |
1256 | state->split_start++; |
1257 | if (state->split) | |
3713b4e3 JB |
1258 | break; |
1259 | case 1: | |
1260 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1261 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
1262 | dev->wiphy.cipher_suites)) | |
1263 | goto nla_put_failure; | |
4745fc09 | 1264 | |
3713b4e3 JB |
1265 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1266 | dev->wiphy.max_num_pmkids)) | |
1267 | goto nla_put_failure; | |
b23aa676 | 1268 | |
3713b4e3 JB |
1269 | if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
1270 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) | |
9360ffd1 | 1271 | goto nla_put_failure; |
b23aa676 | 1272 | |
3713b4e3 JB |
1273 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1274 | dev->wiphy.available_antennas_tx) || | |
1275 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
1276 | dev->wiphy.available_antennas_rx)) | |
9360ffd1 | 1277 | goto nla_put_failure; |
b23aa676 | 1278 | |
3713b4e3 JB |
1279 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
1280 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
1281 | dev->wiphy.probe_resp_offload)) | |
1282 | goto nla_put_failure; | |
8fdc621d | 1283 | |
3713b4e3 JB |
1284 | if ((dev->wiphy.available_antennas_tx || |
1285 | dev->wiphy.available_antennas_rx) && | |
1286 | dev->ops->get_antenna) { | |
1287 | u32 tx_ant = 0, rx_ant = 0; | |
1288 | int res; | |
1289 | res = rdev_get_antenna(dev, &tx_ant, &rx_ant); | |
1290 | if (!res) { | |
1291 | if (nla_put_u32(msg, | |
1292 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1293 | tx_ant) || | |
1294 | nla_put_u32(msg, | |
1295 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1296 | rx_ant)) | |
1297 | goto nla_put_failure; | |
1298 | } | |
1299 | } | |
a293911d | 1300 | |
86e8cf98 JB |
1301 | state->split_start++; |
1302 | if (state->split) | |
3713b4e3 JB |
1303 | break; |
1304 | case 2: | |
1305 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1306 | dev->wiphy.interface_modes)) | |
1307 | goto nla_put_failure; | |
86e8cf98 JB |
1308 | state->split_start++; |
1309 | if (state->split) | |
3713b4e3 JB |
1310 | break; |
1311 | case 3: | |
1312 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1313 | if (!nl_bands) | |
1314 | goto nla_put_failure; | |
f7ca38df | 1315 | |
86e8cf98 JB |
1316 | for (band = state->band_start; |
1317 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1318 | struct ieee80211_supported_band *sband; |
2e161f78 | 1319 | |
3713b4e3 | 1320 | sband = dev->wiphy.bands[band]; |
2e161f78 | 1321 | |
3713b4e3 JB |
1322 | if (!sband) |
1323 | continue; | |
1324 | ||
1325 | nl_band = nla_nest_start(msg, band); | |
1326 | if (!nl_band) | |
2e161f78 | 1327 | goto nla_put_failure; |
3713b4e3 | 1328 | |
86e8cf98 | 1329 | switch (state->chan_start) { |
3713b4e3 JB |
1330 | case 0: |
1331 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1332 | goto nla_put_failure; |
86e8cf98 JB |
1333 | state->chan_start++; |
1334 | if (state->split) | |
3713b4e3 JB |
1335 | break; |
1336 | default: | |
1337 | /* add frequencies */ | |
1338 | nl_freqs = nla_nest_start( | |
1339 | msg, NL80211_BAND_ATTR_FREQS); | |
1340 | if (!nl_freqs) | |
1341 | goto nla_put_failure; | |
1342 | ||
86e8cf98 | 1343 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1344 | i < sband->n_channels; |
1345 | i++) { | |
1346 | nl_freq = nla_nest_start(msg, i); | |
1347 | if (!nl_freq) | |
1348 | goto nla_put_failure; | |
1349 | ||
1350 | chan = &sband->channels[i]; | |
1351 | ||
86e8cf98 JB |
1352 | if (nl80211_msg_put_channel( |
1353 | msg, chan, | |
1354 | state->split)) | |
3713b4e3 JB |
1355 | goto nla_put_failure; |
1356 | ||
1357 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1358 | if (state->split) |
3713b4e3 JB |
1359 | break; |
1360 | } | |
1361 | if (i < sband->n_channels) | |
86e8cf98 | 1362 | state->chan_start = i + 2; |
3713b4e3 | 1363 | else |
86e8cf98 | 1364 | state->chan_start = 0; |
3713b4e3 JB |
1365 | nla_nest_end(msg, nl_freqs); |
1366 | } | |
1367 | ||
1368 | nla_nest_end(msg, nl_band); | |
1369 | ||
86e8cf98 | 1370 | if (state->split) { |
3713b4e3 | 1371 | /* start again here */ |
86e8cf98 | 1372 | if (state->chan_start) |
3713b4e3 JB |
1373 | band--; |
1374 | break; | |
2e161f78 | 1375 | } |
2e161f78 | 1376 | } |
3713b4e3 | 1377 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1378 | |
3713b4e3 | 1379 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1380 | state->band_start = band + 1; |
3713b4e3 | 1381 | else |
86e8cf98 | 1382 | state->band_start = 0; |
74b70a4e | 1383 | |
3713b4e3 | 1384 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1385 | if (state->band_start == 0 && state->chan_start == 0) |
1386 | state->split_start++; | |
1387 | if (state->split) | |
3713b4e3 JB |
1388 | break; |
1389 | case 4: | |
1390 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1391 | if (!nl_cmds) | |
2e161f78 JB |
1392 | goto nla_put_failure; |
1393 | ||
3713b4e3 JB |
1394 | i = 0; |
1395 | #define CMD(op, n) \ | |
1396 | do { \ | |
1397 | if (dev->ops->op) { \ | |
1398 | i++; \ | |
1399 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1400 | goto nla_put_failure; \ | |
1401 | } \ | |
1402 | } while (0) | |
1403 | ||
1404 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1405 | CMD(change_virtual_intf, SET_INTERFACE); | |
1406 | CMD(add_key, NEW_KEY); | |
1407 | CMD(start_ap, START_AP); | |
1408 | CMD(add_station, NEW_STATION); | |
1409 | CMD(add_mpath, NEW_MPATH); | |
1410 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1411 | CMD(change_bss, SET_BSS); | |
1412 | CMD(auth, AUTHENTICATE); | |
1413 | CMD(assoc, ASSOCIATE); | |
1414 | CMD(deauth, DEAUTHENTICATE); | |
1415 | CMD(disassoc, DISASSOCIATE); | |
1416 | CMD(join_ibss, JOIN_IBSS); | |
1417 | CMD(join_mesh, JOIN_MESH); | |
1418 | CMD(set_pmksa, SET_PMKSA); | |
1419 | CMD(del_pmksa, DEL_PMKSA); | |
1420 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1421 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1422 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1423 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1424 | CMD(mgmt_tx, FRAME); | |
1425 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1426 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1427 | i++; | |
1428 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1429 | goto nla_put_failure; |
2e161f78 | 1430 | } |
3713b4e3 JB |
1431 | if (dev->ops->set_monitor_channel || dev->ops->start_ap || |
1432 | dev->ops->join_mesh) { | |
1433 | i++; | |
1434 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1435 | goto nla_put_failure; | |
1436 | } | |
1437 | CMD(set_wds_peer, SET_WDS_PEER); | |
1438 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1439 | CMD(tdls_mgmt, TDLS_MGMT); | |
1440 | CMD(tdls_oper, TDLS_OPER); | |
1441 | } | |
1442 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
1443 | CMD(sched_scan_start, START_SCHED_SCAN); | |
1444 | CMD(probe_client, PROBE_CLIENT); | |
1445 | CMD(set_noack_map, SET_NOACK_MAP); | |
1446 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1447 | i++; | |
1448 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1449 | goto nla_put_failure; | |
1450 | } | |
1451 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1452 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
86e8cf98 | 1453 | if (state->split) { |
5de17984 AS |
1454 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1455 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
16ef1fe2 SW |
1456 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
1457 | CMD(channel_switch, CHANNEL_SWITCH); | |
5de17984 | 1458 | } |
fa9ffc74 | 1459 | CMD(set_qos_map, SET_QOS_MAP); |
2e161f78 | 1460 | |
3713b4e3 JB |
1461 | #ifdef CONFIG_NL80211_TESTMODE |
1462 | CMD(testmode_cmd, TESTMODE); | |
1463 | #endif | |
ff1b6e69 | 1464 | |
3713b4e3 | 1465 | #undef CMD |
ff1b6e69 | 1466 | |
3713b4e3 JB |
1467 | if (dev->ops->connect || dev->ops->auth) { |
1468 | i++; | |
1469 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1470 | goto nla_put_failure; |
ff1b6e69 JB |
1471 | } |
1472 | ||
3713b4e3 JB |
1473 | if (dev->ops->disconnect || dev->ops->deauth) { |
1474 | i++; | |
1475 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1476 | goto nla_put_failure; | |
1477 | } | |
1478 | ||
1479 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1480 | state->split_start++; |
1481 | if (state->split) | |
3713b4e3 JB |
1482 | break; |
1483 | case 5: | |
1484 | if (dev->ops->remain_on_channel && | |
1485 | (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
1486 | nla_put_u32(msg, | |
1487 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1488 | dev->wiphy.max_remain_on_channel_duration)) | |
1489 | goto nla_put_failure; | |
1490 | ||
1491 | if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && | |
1492 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) | |
1493 | goto nla_put_failure; | |
1494 | ||
1495 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1496 | goto nla_put_failure; | |
86e8cf98 JB |
1497 | state->split_start++; |
1498 | if (state->split) | |
3713b4e3 JB |
1499 | break; |
1500 | case 6: | |
1501 | #ifdef CONFIG_PM | |
86e8cf98 | 1502 | if (nl80211_send_wowlan(msg, dev, state->split)) |
3713b4e3 | 1503 | goto nla_put_failure; |
86e8cf98 JB |
1504 | state->split_start++; |
1505 | if (state->split) | |
3713b4e3 JB |
1506 | break; |
1507 | #else | |
86e8cf98 | 1508 | state->split_start++; |
dfb89c56 | 1509 | #endif |
3713b4e3 JB |
1510 | case 7: |
1511 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1512 | dev->wiphy.software_iftypes)) | |
1513 | goto nla_put_failure; | |
ff1b6e69 | 1514 | |
86e8cf98 JB |
1515 | if (nl80211_put_iface_combinations(&dev->wiphy, msg, |
1516 | state->split)) | |
3713b4e3 | 1517 | goto nla_put_failure; |
7527a782 | 1518 | |
86e8cf98 JB |
1519 | state->split_start++; |
1520 | if (state->split) | |
3713b4e3 JB |
1521 | break; |
1522 | case 8: | |
1523 | if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && | |
1524 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1525 | dev->wiphy.ap_sme_capa)) | |
1526 | goto nla_put_failure; | |
7527a782 | 1527 | |
fe1abafd JB |
1528 | features = dev->wiphy.features; |
1529 | /* | |
1530 | * We can only add the per-channel limit information if the | |
1531 | * dump is split, otherwise it makes it too big. Therefore | |
1532 | * only advertise it in that case. | |
1533 | */ | |
86e8cf98 | 1534 | if (state->split) |
fe1abafd JB |
1535 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1536 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1537 | goto nla_put_failure; |
562a7480 | 1538 | |
3713b4e3 JB |
1539 | if (dev->wiphy.ht_capa_mod_mask && |
1540 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1541 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1542 | dev->wiphy.ht_capa_mod_mask)) | |
1543 | goto nla_put_failure; | |
1f074bd8 | 1544 | |
3713b4e3 JB |
1545 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1546 | dev->wiphy.max_acl_mac_addrs && | |
1547 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, | |
1548 | dev->wiphy.max_acl_mac_addrs)) | |
1549 | goto nla_put_failure; | |
7e7c8926 | 1550 | |
3713b4e3 JB |
1551 | /* |
1552 | * Any information below this point is only available to | |
1553 | * applications that can deal with it being split. This | |
1554 | * helps ensure that newly added capabilities don't break | |
1555 | * older tools by overrunning their buffers. | |
1556 | * | |
1557 | * We still increment split_start so that in the split | |
1558 | * case we'll continue with more data in the next round, | |
1559 | * but break unconditionally so unsplit data stops here. | |
1560 | */ | |
86e8cf98 | 1561 | state->split_start++; |
3713b4e3 JB |
1562 | break; |
1563 | case 9: | |
fe1abafd JB |
1564 | if (dev->wiphy.extended_capabilities && |
1565 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1566 | dev->wiphy.extended_capabilities_len, | |
1567 | dev->wiphy.extended_capabilities) || | |
1568 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1569 | dev->wiphy.extended_capabilities_len, | |
1570 | dev->wiphy.extended_capabilities_mask))) | |
1571 | goto nla_put_failure; | |
a50df0c4 | 1572 | |
ee2aca34 JB |
1573 | if (dev->wiphy.vht_capa_mod_mask && |
1574 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, | |
1575 | sizeof(*dev->wiphy.vht_capa_mod_mask), | |
1576 | dev->wiphy.vht_capa_mod_mask)) | |
1577 | goto nla_put_failure; | |
1578 | ||
be29b99a AK |
1579 | state->split_start++; |
1580 | break; | |
1581 | case 10: | |
1582 | if (nl80211_send_coalesce(msg, dev)) | |
1583 | goto nla_put_failure; | |
1584 | ||
01e0daa4 FF |
1585 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
1586 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || | |
1587 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1588 | goto nla_put_failure; | |
ad7e718c JB |
1589 | state->split_start++; |
1590 | break; | |
1591 | case 11: | |
567ffc35 JB |
1592 | if (dev->wiphy.n_vendor_commands) { |
1593 | const struct nl80211_vendor_cmd_info *info; | |
1594 | struct nlattr *nested; | |
1595 | ||
1596 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1597 | if (!nested) | |
1598 | goto nla_put_failure; | |
1599 | ||
1600 | for (i = 0; i < dev->wiphy.n_vendor_commands; i++) { | |
1601 | info = &dev->wiphy.vendor_commands[i].info; | |
1602 | if (nla_put(msg, i + 1, sizeof(*info), info)) | |
1603 | goto nla_put_failure; | |
1604 | } | |
1605 | nla_nest_end(msg, nested); | |
1606 | } | |
1607 | ||
1608 | if (dev->wiphy.n_vendor_events) { | |
1609 | const struct nl80211_vendor_cmd_info *info; | |
1610 | struct nlattr *nested; | |
ad7e718c | 1611 | |
567ffc35 JB |
1612 | nested = nla_nest_start(msg, |
1613 | NL80211_ATTR_VENDOR_EVENTS); | |
1614 | if (!nested) | |
ad7e718c | 1615 | goto nla_put_failure; |
567ffc35 JB |
1616 | |
1617 | for (i = 0; i < dev->wiphy.n_vendor_events; i++) { | |
1618 | info = &dev->wiphy.vendor_events[i]; | |
1619 | if (nla_put(msg, i + 1, sizeof(*info), info)) | |
1620 | goto nla_put_failure; | |
1621 | } | |
1622 | nla_nest_end(msg, nested); | |
1623 | } | |
01e0daa4 | 1624 | |
3713b4e3 | 1625 | /* done */ |
86e8cf98 | 1626 | state->split_start = 0; |
3713b4e3 JB |
1627 | break; |
1628 | } | |
55682965 JB |
1629 | return genlmsg_end(msg, hdr); |
1630 | ||
1631 | nla_put_failure: | |
bc3ed28c TG |
1632 | genlmsg_cancel(msg, hdr); |
1633 | return -EMSGSIZE; | |
55682965 JB |
1634 | } |
1635 | ||
86e8cf98 JB |
1636 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1637 | struct netlink_callback *cb, | |
1638 | struct nl80211_dump_wiphy_state *state) | |
1639 | { | |
1640 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1641 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1642 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1643 | /* ignore parse errors for backward compatibility */ | |
1644 | if (ret) | |
1645 | return 0; | |
1646 | ||
1647 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1648 | if (tb[NL80211_ATTR_WIPHY]) | |
1649 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1650 | if (tb[NL80211_ATTR_WDEV]) | |
1651 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1652 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1653 | struct net_device *netdev; | |
1654 | struct cfg80211_registered_device *rdev; | |
1655 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1656 | ||
7f2b8562 | 1657 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1658 | if (!netdev) |
1659 | return -ENODEV; | |
1660 | if (netdev->ieee80211_ptr) { | |
1661 | rdev = wiphy_to_dev( | |
1662 | netdev->ieee80211_ptr->wiphy); | |
1663 | state->filter_wiphy = rdev->wiphy_idx; | |
1664 | } | |
86e8cf98 JB |
1665 | } |
1666 | ||
1667 | return 0; | |
1668 | } | |
1669 | ||
55682965 JB |
1670 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1671 | { | |
645e77de | 1672 | int idx = 0, ret; |
86e8cf98 | 1673 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
55682965 | 1674 | struct cfg80211_registered_device *dev; |
3a5a423b | 1675 | |
5fe231e8 | 1676 | rtnl_lock(); |
86e8cf98 JB |
1677 | if (!state) { |
1678 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1679 | if (!state) { |
1680 | rtnl_unlock(); | |
86e8cf98 | 1681 | return -ENOMEM; |
3713b4e3 | 1682 | } |
86e8cf98 JB |
1683 | state->filter_wiphy = -1; |
1684 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1685 | if (ret) { | |
1686 | kfree(state); | |
1687 | rtnl_unlock(); | |
1688 | return ret; | |
3713b4e3 | 1689 | } |
86e8cf98 | 1690 | cb->args[0] = (long)state; |
3713b4e3 JB |
1691 | } |
1692 | ||
79c97e97 | 1693 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1694 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1695 | continue; | |
86e8cf98 | 1696 | if (++idx <= state->start) |
55682965 | 1697 | continue; |
86e8cf98 JB |
1698 | if (state->filter_wiphy != -1 && |
1699 | state->filter_wiphy != dev->wiphy_idx) | |
3713b4e3 JB |
1700 | continue; |
1701 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1702 | do { | |
1703 | ret = nl80211_send_wiphy(dev, skb, | |
1704 | NETLINK_CB(cb->skb).portid, | |
1705 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1706 | NLM_F_MULTI, state); |
3713b4e3 JB |
1707 | if (ret < 0) { |
1708 | /* | |
1709 | * If sending the wiphy data didn't fit (ENOBUFS | |
1710 | * or EMSGSIZE returned), this SKB is still | |
1711 | * empty (so it's not too big because another | |
1712 | * wiphy dataset is already in the skb) and | |
1713 | * we've not tried to adjust the dump allocation | |
1714 | * yet ... then adjust the alloc size to be | |
1715 | * bigger, and return 1 but with the empty skb. | |
1716 | * This results in an empty message being RX'ed | |
1717 | * in userspace, but that is ignored. | |
1718 | * | |
1719 | * We can then retry with the larger buffer. | |
1720 | */ | |
1721 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
1722 | !skb->len && | |
1723 | cb->min_dump_alloc < 4096) { | |
1724 | cb->min_dump_alloc = 4096; | |
d98cae64 | 1725 | rtnl_unlock(); |
3713b4e3 JB |
1726 | return 1; |
1727 | } | |
1728 | idx--; | |
1729 | break; | |
645e77de | 1730 | } |
86e8cf98 | 1731 | } while (state->split_start > 0); |
3713b4e3 | 1732 | break; |
55682965 | 1733 | } |
5fe231e8 | 1734 | rtnl_unlock(); |
55682965 | 1735 | |
86e8cf98 | 1736 | state->start = idx; |
55682965 JB |
1737 | |
1738 | return skb->len; | |
1739 | } | |
1740 | ||
86e8cf98 JB |
1741 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1742 | { | |
1743 | kfree((void *)cb->args[0]); | |
1744 | return 0; | |
1745 | } | |
1746 | ||
55682965 JB |
1747 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1748 | { | |
1749 | struct sk_buff *msg; | |
4c476991 | 1750 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
86e8cf98 | 1751 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1752 | |
645e77de | 1753 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1754 | if (!msg) |
4c476991 | 1755 | return -ENOMEM; |
55682965 | 1756 | |
3713b4e3 | 1757 | if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0, |
86e8cf98 | 1758 | &state) < 0) { |
4c476991 JB |
1759 | nlmsg_free(msg); |
1760 | return -ENOBUFS; | |
1761 | } | |
55682965 | 1762 | |
134e6375 | 1763 | return genlmsg_reply(msg, info); |
55682965 JB |
1764 | } |
1765 | ||
31888487 JM |
1766 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1767 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1768 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1769 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1770 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1771 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1772 | }; | |
1773 | ||
1774 | static int parse_txq_params(struct nlattr *tb[], | |
1775 | struct ieee80211_txq_params *txq_params) | |
1776 | { | |
a3304b0a | 1777 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1778 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1779 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1780 | return -EINVAL; | |
1781 | ||
a3304b0a | 1782 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1783 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1784 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1785 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1786 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1787 | ||
a3304b0a JB |
1788 | if (txq_params->ac >= NL80211_NUM_ACS) |
1789 | return -EINVAL; | |
1790 | ||
31888487 JM |
1791 | return 0; |
1792 | } | |
1793 | ||
f444de05 JB |
1794 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1795 | { | |
1796 | /* | |
cc1d2806 JB |
1797 | * You can only set the channel explicitly for WDS interfaces, |
1798 | * all others have their channel managed via their respective | |
1799 | * "establish a connection" command (connect, join, ...) | |
1800 | * | |
1801 | * For AP/GO and mesh mode, the channel can be set with the | |
1802 | * channel userspace API, but is only stored and passed to the | |
1803 | * low-level driver when the AP starts or the mesh is joined. | |
1804 | * This is for backward compatibility, userspace can also give | |
1805 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1806 | * |
1807 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1808 | * whatever else is going on, so they have their own special |
1809 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1810 | */ |
1811 | return !wdev || | |
1812 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1813 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1814 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1815 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1816 | } |
1817 | ||
683b6d3b JB |
1818 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1819 | struct genl_info *info, | |
1820 | struct cfg80211_chan_def *chandef) | |
1821 | { | |
dbeca2ea | 1822 | u32 control_freq; |
683b6d3b JB |
1823 | |
1824 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1825 | return -EINVAL; | |
1826 | ||
1827 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1828 | ||
1829 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1830 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1831 | chandef->center_freq1 = control_freq; | |
1832 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1833 | |
1834 | /* Primary channel not allowed */ | |
1835 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1836 | return -EINVAL; | |
1837 | ||
3d9d1d66 JB |
1838 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1839 | enum nl80211_channel_type chantype; | |
1840 | ||
1841 | chantype = nla_get_u32( | |
1842 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1843 | ||
1844 | switch (chantype) { | |
1845 | case NL80211_CHAN_NO_HT: | |
1846 | case NL80211_CHAN_HT20: | |
1847 | case NL80211_CHAN_HT40PLUS: | |
1848 | case NL80211_CHAN_HT40MINUS: | |
1849 | cfg80211_chandef_create(chandef, chandef->chan, | |
1850 | chantype); | |
1851 | break; | |
1852 | default: | |
1853 | return -EINVAL; | |
1854 | } | |
1855 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1856 | chandef->width = | |
1857 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1858 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1859 | chandef->center_freq1 = | |
1860 | nla_get_u32( | |
1861 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1862 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1863 | chandef->center_freq2 = | |
1864 | nla_get_u32( | |
1865 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1866 | } | |
1867 | ||
9f5e8f6e | 1868 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1869 | return -EINVAL; |
1870 | ||
9f5e8f6e JB |
1871 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1872 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1873 | return -EINVAL; |
1874 | ||
2f301ab2 SW |
1875 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1876 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1877 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1878 | return -EINVAL; | |
1879 | ||
683b6d3b JB |
1880 | return 0; |
1881 | } | |
1882 | ||
f444de05 JB |
1883 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
1884 | struct wireless_dev *wdev, | |
1885 | struct genl_info *info) | |
1886 | { | |
683b6d3b | 1887 | struct cfg80211_chan_def chandef; |
f444de05 | 1888 | int result; |
e8c9bd5b JB |
1889 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
1890 | ||
1891 | if (wdev) | |
1892 | iftype = wdev->iftype; | |
f444de05 | 1893 | |
f444de05 JB |
1894 | if (!nl80211_can_set_dev_channel(wdev)) |
1895 | return -EOPNOTSUPP; | |
1896 | ||
683b6d3b JB |
1897 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1898 | if (result) | |
1899 | return result; | |
f444de05 | 1900 | |
e8c9bd5b | 1901 | switch (iftype) { |
aa430da4 JB |
1902 | case NL80211_IFTYPE_AP: |
1903 | case NL80211_IFTYPE_P2P_GO: | |
1904 | if (wdev->beacon_interval) { | |
1905 | result = -EBUSY; | |
1906 | break; | |
1907 | } | |
683b6d3b | 1908 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) { |
aa430da4 JB |
1909 | result = -EINVAL; |
1910 | break; | |
1911 | } | |
683b6d3b | 1912 | wdev->preset_chandef = chandef; |
aa430da4 JB |
1913 | result = 0; |
1914 | break; | |
cc1d2806 | 1915 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 1916 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 1917 | break; |
e8c9bd5b | 1918 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 1919 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 1920 | break; |
aa430da4 | 1921 | default: |
e8c9bd5b | 1922 | result = -EINVAL; |
f444de05 | 1923 | } |
f444de05 JB |
1924 | |
1925 | return result; | |
1926 | } | |
1927 | ||
1928 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1929 | { | |
4c476991 JB |
1930 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1931 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1932 | |
4c476991 | 1933 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1934 | } |
1935 | ||
e8347eba BJ |
1936 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1937 | { | |
43b19952 JB |
1938 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1939 | struct net_device *dev = info->user_ptr[1]; | |
1940 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1941 | const u8 *bssid; |
e8347eba BJ |
1942 | |
1943 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1944 | return -EINVAL; | |
1945 | ||
43b19952 JB |
1946 | if (netif_running(dev)) |
1947 | return -EBUSY; | |
e8347eba | 1948 | |
43b19952 JB |
1949 | if (!rdev->ops->set_wds_peer) |
1950 | return -EOPNOTSUPP; | |
e8347eba | 1951 | |
43b19952 JB |
1952 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1953 | return -EOPNOTSUPP; | |
e8347eba BJ |
1954 | |
1955 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 1956 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
1957 | } |
1958 | ||
1959 | ||
55682965 JB |
1960 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1961 | { | |
1962 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1963 | struct net_device *netdev = NULL; |
1964 | struct wireless_dev *wdev; | |
a1e567c8 | 1965 | int result = 0, rem_txq_params = 0; |
31888487 | 1966 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1967 | u32 changed; |
1968 | u8 retry_short = 0, retry_long = 0; | |
1969 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1970 | u8 coverage_class = 0; |
55682965 | 1971 | |
5fe231e8 JB |
1972 | ASSERT_RTNL(); |
1973 | ||
f444de05 JB |
1974 | /* |
1975 | * Try to find the wiphy and netdev. Normally this | |
1976 | * function shouldn't need the netdev, but this is | |
1977 | * done for backward compatibility -- previously | |
1978 | * setting the channel was done per wiphy, but now | |
1979 | * it is per netdev. Previous userland like hostapd | |
1980 | * also passed a netdev to set_wiphy, so that it is | |
1981 | * possible to let that go to the right netdev! | |
1982 | */ | |
4bbf4d56 | 1983 | |
f444de05 JB |
1984 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1985 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1986 | ||
7f2b8562 | 1987 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 1988 | if (netdev && netdev->ieee80211_ptr) |
f444de05 | 1989 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 1990 | else |
f444de05 | 1991 | netdev = NULL; |
4bbf4d56 JB |
1992 | } |
1993 | ||
f444de05 | 1994 | if (!netdev) { |
878d9ec7 JB |
1995 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
1996 | info->attrs); | |
5fe231e8 | 1997 | if (IS_ERR(rdev)) |
4c476991 | 1998 | return PTR_ERR(rdev); |
f444de05 JB |
1999 | wdev = NULL; |
2000 | netdev = NULL; | |
2001 | result = 0; | |
71fe96bf | 2002 | } else |
f444de05 | 2003 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2004 | |
2005 | /* | |
2006 | * end workaround code, by now the rdev is available | |
2007 | * and locked, and wdev may or may not be NULL. | |
2008 | */ | |
4bbf4d56 JB |
2009 | |
2010 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2011 | result = cfg80211_dev_rename( |
2012 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2013 | |
4bbf4d56 | 2014 | if (result) |
7f2b8562 | 2015 | return result; |
31888487 JM |
2016 | |
2017 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2018 | struct ieee80211_txq_params txq_params; | |
2019 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2020 | ||
7f2b8562 YX |
2021 | if (!rdev->ops->set_txq_params) |
2022 | return -EOPNOTSUPP; | |
31888487 | 2023 | |
7f2b8562 YX |
2024 | if (!netdev) |
2025 | return -EINVAL; | |
f70f01c2 | 2026 | |
133a3ff2 | 2027 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2028 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2029 | return -EINVAL; | |
133a3ff2 | 2030 | |
7f2b8562 YX |
2031 | if (!netif_running(netdev)) |
2032 | return -ENETDOWN; | |
2b5f8b0b | 2033 | |
31888487 JM |
2034 | nla_for_each_nested(nl_txq_params, |
2035 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2036 | rem_txq_params) { | |
2037 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
2038 | nla_data(nl_txq_params), | |
2039 | nla_len(nl_txq_params), | |
2040 | txq_params_policy); | |
2041 | result = parse_txq_params(tb, &txq_params); | |
2042 | if (result) | |
7f2b8562 | 2043 | return result; |
31888487 | 2044 | |
e35e4d28 HG |
2045 | result = rdev_set_txq_params(rdev, netdev, |
2046 | &txq_params); | |
31888487 | 2047 | if (result) |
7f2b8562 | 2048 | return result; |
31888487 JM |
2049 | } |
2050 | } | |
55682965 | 2051 | |
72bdcf34 | 2052 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
71fe96bf JB |
2053 | result = __nl80211_set_channel(rdev, |
2054 | nl80211_can_set_dev_channel(wdev) ? wdev : NULL, | |
2055 | info); | |
72bdcf34 | 2056 | if (result) |
7f2b8562 | 2057 | return result; |
72bdcf34 JM |
2058 | } |
2059 | ||
98d2ff8b | 2060 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2061 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2062 | enum nl80211_tx_power_setting type; |
2063 | int idx, mbm = 0; | |
2064 | ||
c8442118 JB |
2065 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2066 | txp_wdev = NULL; | |
2067 | ||
7f2b8562 YX |
2068 | if (!rdev->ops->set_tx_power) |
2069 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2070 | |
2071 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2072 | type = nla_get_u32(info->attrs[idx]); | |
2073 | ||
2074 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2075 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2076 | return -EINVAL; | |
98d2ff8b JO |
2077 | |
2078 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2079 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2080 | mbm = nla_get_u32(info->attrs[idx]); | |
2081 | } | |
2082 | ||
c8442118 | 2083 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2084 | if (result) |
7f2b8562 | 2085 | return result; |
98d2ff8b JO |
2086 | } |
2087 | ||
afe0cbf8 BR |
2088 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2089 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2090 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2091 | if ((!rdev->wiphy.available_antennas_tx && |
2092 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2093 | !rdev->ops->set_antenna) |
2094 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2095 | |
2096 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2097 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2098 | ||
a7ffac95 | 2099 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2100 | * available antenna masks, except for the "all" mask */ |
2101 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2102 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2103 | return -EINVAL; | |
a7ffac95 | 2104 | |
7f531e03 BR |
2105 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2106 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2107 | |
e35e4d28 | 2108 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2109 | if (result) |
7f2b8562 | 2110 | return result; |
afe0cbf8 BR |
2111 | } |
2112 | ||
b9a5f8ca JM |
2113 | changed = 0; |
2114 | ||
2115 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2116 | retry_short = nla_get_u8( | |
2117 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2118 | if (retry_short == 0) |
2119 | return -EINVAL; | |
2120 | ||
b9a5f8ca JM |
2121 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2122 | } | |
2123 | ||
2124 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2125 | retry_long = nla_get_u8( | |
2126 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2127 | if (retry_long == 0) |
2128 | return -EINVAL; | |
2129 | ||
b9a5f8ca JM |
2130 | changed |= WIPHY_PARAM_RETRY_LONG; |
2131 | } | |
2132 | ||
2133 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2134 | frag_threshold = nla_get_u32( | |
2135 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2136 | if (frag_threshold < 256) |
2137 | return -EINVAL; | |
2138 | ||
b9a5f8ca JM |
2139 | if (frag_threshold != (u32) -1) { |
2140 | /* | |
2141 | * Fragments (apart from the last one) are required to | |
2142 | * have even length. Make the fragmentation code | |
2143 | * simpler by stripping LSB should someone try to use | |
2144 | * odd threshold value. | |
2145 | */ | |
2146 | frag_threshold &= ~0x1; | |
2147 | } | |
2148 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2149 | } | |
2150 | ||
2151 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2152 | rts_threshold = nla_get_u32( | |
2153 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2154 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2155 | } | |
2156 | ||
81077e82 LT |
2157 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
2158 | coverage_class = nla_get_u8( | |
2159 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2160 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2161 | } | |
2162 | ||
b9a5f8ca JM |
2163 | if (changed) { |
2164 | u8 old_retry_short, old_retry_long; | |
2165 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2166 | u8 old_coverage_class; |
b9a5f8ca | 2167 | |
7f2b8562 YX |
2168 | if (!rdev->ops->set_wiphy_params) |
2169 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2170 | |
2171 | old_retry_short = rdev->wiphy.retry_short; | |
2172 | old_retry_long = rdev->wiphy.retry_long; | |
2173 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2174 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2175 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2176 | |
2177 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2178 | rdev->wiphy.retry_short = retry_short; | |
2179 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2180 | rdev->wiphy.retry_long = retry_long; | |
2181 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2182 | rdev->wiphy.frag_threshold = frag_threshold; | |
2183 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2184 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2185 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2186 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2187 | |
e35e4d28 | 2188 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2189 | if (result) { |
2190 | rdev->wiphy.retry_short = old_retry_short; | |
2191 | rdev->wiphy.retry_long = old_retry_long; | |
2192 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2193 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2194 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2195 | } |
2196 | } | |
7f2b8562 | 2197 | return 0; |
55682965 JB |
2198 | } |
2199 | ||
71bbc994 JB |
2200 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2201 | { | |
2202 | return (u64)wdev->identifier | | |
2203 | ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); | |
2204 | } | |
55682965 | 2205 | |
683b6d3b | 2206 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2207 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2208 | { |
9f5e8f6e | 2209 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2210 | |
683b6d3b JB |
2211 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2212 | chandef->chan->center_freq)) | |
2213 | return -ENOBUFS; | |
3d9d1d66 JB |
2214 | switch (chandef->width) { |
2215 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2216 | case NL80211_CHAN_WIDTH_20: | |
2217 | case NL80211_CHAN_WIDTH_40: | |
2218 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2219 | cfg80211_get_chandef_type(chandef))) | |
2220 | return -ENOBUFS; | |
2221 | break; | |
2222 | default: | |
2223 | break; | |
2224 | } | |
2225 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2226 | return -ENOBUFS; | |
2227 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2228 | return -ENOBUFS; | |
2229 | if (chandef->center_freq2 && | |
2230 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2231 | return -ENOBUFS; |
2232 | return 0; | |
2233 | } | |
2234 | ||
15e47304 | 2235 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2236 | struct cfg80211_registered_device *rdev, |
72fb2abc | 2237 | struct wireless_dev *wdev) |
55682965 | 2238 | { |
72fb2abc | 2239 | struct net_device *dev = wdev->netdev; |
55682965 JB |
2240 | void *hdr; |
2241 | ||
15e47304 | 2242 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
2243 | if (!hdr) |
2244 | return -1; | |
2245 | ||
72fb2abc JB |
2246 | if (dev && |
2247 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2248 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2249 | goto nla_put_failure; |
2250 | ||
2251 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2252 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2253 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2254 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2255 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2256 | rdev->devlist_generation ^ | |
2257 | (cfg80211_rdev_list_generation << 2))) | |
2258 | goto nla_put_failure; | |
f5ea9120 | 2259 | |
5b7ccaf3 | 2260 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2261 | int ret; |
2262 | struct cfg80211_chan_def chandef; | |
2263 | ||
2264 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2265 | if (ret == 0) { | |
2266 | if (nl80211_send_chandef(msg, &chandef)) | |
2267 | goto nla_put_failure; | |
2268 | } | |
d91df0e3 PF |
2269 | } |
2270 | ||
b84e7a05 AQ |
2271 | if (wdev->ssid_len) { |
2272 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2273 | goto nla_put_failure; | |
2274 | } | |
2275 | ||
55682965 JB |
2276 | return genlmsg_end(msg, hdr); |
2277 | ||
2278 | nla_put_failure: | |
bc3ed28c TG |
2279 | genlmsg_cancel(msg, hdr); |
2280 | return -EMSGSIZE; | |
55682965 JB |
2281 | } |
2282 | ||
2283 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2284 | { | |
2285 | int wp_idx = 0; | |
2286 | int if_idx = 0; | |
2287 | int wp_start = cb->args[0]; | |
2288 | int if_start = cb->args[1]; | |
f5ea9120 | 2289 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2290 | struct wireless_dev *wdev; |
2291 | ||
5fe231e8 | 2292 | rtnl_lock(); |
f5ea9120 JB |
2293 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2294 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2295 | continue; |
bba95fef JB |
2296 | if (wp_idx < wp_start) { |
2297 | wp_idx++; | |
55682965 | 2298 | continue; |
bba95fef | 2299 | } |
55682965 JB |
2300 | if_idx = 0; |
2301 | ||
89a54e48 | 2302 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2303 | if (if_idx < if_start) { |
2304 | if_idx++; | |
55682965 | 2305 | continue; |
bba95fef | 2306 | } |
15e47304 | 2307 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2308 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 2309 | rdev, wdev) < 0) { |
bba95fef JB |
2310 | goto out; |
2311 | } | |
2312 | if_idx++; | |
55682965 | 2313 | } |
bba95fef JB |
2314 | |
2315 | wp_idx++; | |
55682965 | 2316 | } |
bba95fef | 2317 | out: |
5fe231e8 | 2318 | rtnl_unlock(); |
55682965 JB |
2319 | |
2320 | cb->args[0] = wp_idx; | |
2321 | cb->args[1] = if_idx; | |
2322 | ||
2323 | return skb->len; | |
2324 | } | |
2325 | ||
2326 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2327 | { | |
2328 | struct sk_buff *msg; | |
4c476991 | 2329 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
72fb2abc | 2330 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2331 | |
fd2120ca | 2332 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2333 | if (!msg) |
4c476991 | 2334 | return -ENOMEM; |
55682965 | 2335 | |
15e47304 | 2336 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
72fb2abc | 2337 | dev, wdev) < 0) { |
4c476991 JB |
2338 | nlmsg_free(msg); |
2339 | return -ENOBUFS; | |
2340 | } | |
55682965 | 2341 | |
134e6375 | 2342 | return genlmsg_reply(msg, info); |
55682965 JB |
2343 | } |
2344 | ||
66f7ac50 MW |
2345 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2346 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2347 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2348 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2349 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2350 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2351 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2352 | }; |
2353 | ||
2354 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2355 | { | |
2356 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2357 | int flag; | |
2358 | ||
2359 | *mntrflags = 0; | |
2360 | ||
2361 | if (!nla) | |
2362 | return -EINVAL; | |
2363 | ||
2364 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2365 | nla, mntr_flags_policy)) | |
2366 | return -EINVAL; | |
2367 | ||
2368 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2369 | if (flags[flag]) | |
2370 | *mntrflags |= (1<<flag); | |
2371 | ||
2372 | return 0; | |
2373 | } | |
2374 | ||
9bc383de | 2375 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2376 | struct net_device *netdev, u8 use_4addr, |
2377 | enum nl80211_iftype iftype) | |
9bc383de | 2378 | { |
ad4bb6f8 | 2379 | if (!use_4addr) { |
f350a0a8 | 2380 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2381 | return -EBUSY; |
9bc383de | 2382 | return 0; |
ad4bb6f8 | 2383 | } |
9bc383de JB |
2384 | |
2385 | switch (iftype) { | |
2386 | case NL80211_IFTYPE_AP_VLAN: | |
2387 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2388 | return 0; | |
2389 | break; | |
2390 | case NL80211_IFTYPE_STATION: | |
2391 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2392 | return 0; | |
2393 | break; | |
2394 | default: | |
2395 | break; | |
2396 | } | |
2397 | ||
2398 | return -EOPNOTSUPP; | |
2399 | } | |
2400 | ||
55682965 JB |
2401 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2402 | { | |
4c476991 | 2403 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2404 | struct vif_params params; |
e36d56b6 | 2405 | int err; |
04a773ad | 2406 | enum nl80211_iftype otype, ntype; |
4c476991 | 2407 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2408 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2409 | bool change = false; |
55682965 | 2410 | |
2ec600d6 LCC |
2411 | memset(¶ms, 0, sizeof(params)); |
2412 | ||
04a773ad | 2413 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2414 | |
723b038d | 2415 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2416 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2417 | if (otype != ntype) |
ac7f9cfa | 2418 | change = true; |
4c476991 JB |
2419 | if (ntype > NL80211_IFTYPE_MAX) |
2420 | return -EINVAL; | |
723b038d JB |
2421 | } |
2422 | ||
92ffe055 | 2423 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2424 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2425 | ||
4c476991 JB |
2426 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2427 | return -EINVAL; | |
29cbe68c JB |
2428 | if (netif_running(dev)) |
2429 | return -EBUSY; | |
2430 | ||
2431 | wdev_lock(wdev); | |
2432 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2433 | IEEE80211_MAX_MESH_ID_LEN); | |
2434 | wdev->mesh_id_up_len = | |
2435 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2436 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2437 | wdev->mesh_id_up_len); | |
2438 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2439 | } |
2440 | ||
8b787643 FF |
2441 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2442 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2443 | change = true; | |
ad4bb6f8 | 2444 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2445 | if (err) |
4c476991 | 2446 | return err; |
8b787643 FF |
2447 | } else { |
2448 | params.use_4addr = -1; | |
2449 | } | |
2450 | ||
92ffe055 | 2451 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2452 | if (ntype != NL80211_IFTYPE_MONITOR) |
2453 | return -EINVAL; | |
92ffe055 JB |
2454 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2455 | &_flags); | |
ac7f9cfa | 2456 | if (err) |
4c476991 | 2457 | return err; |
ac7f9cfa JB |
2458 | |
2459 | flags = &_flags; | |
2460 | change = true; | |
92ffe055 | 2461 | } |
3b85875a | 2462 | |
18003297 | 2463 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2464 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2465 | return -EOPNOTSUPP; | |
2466 | ||
ac7f9cfa | 2467 | if (change) |
3d54d255 | 2468 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2469 | else |
2470 | err = 0; | |
60719ffd | 2471 | |
9bc383de JB |
2472 | if (!err && params.use_4addr != -1) |
2473 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2474 | ||
55682965 JB |
2475 | return err; |
2476 | } | |
2477 | ||
2478 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2479 | { | |
4c476991 | 2480 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2481 | struct vif_params params; |
84efbb84 | 2482 | struct wireless_dev *wdev; |
1c90f9d4 | 2483 | struct sk_buff *msg; |
55682965 JB |
2484 | int err; |
2485 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2486 | u32 flags; |
55682965 | 2487 | |
2ec600d6 LCC |
2488 | memset(¶ms, 0, sizeof(params)); |
2489 | ||
55682965 JB |
2490 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2491 | return -EINVAL; | |
2492 | ||
2493 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2494 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2495 | if (type > NL80211_IFTYPE_MAX) | |
2496 | return -EINVAL; | |
2497 | } | |
2498 | ||
79c97e97 | 2499 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2500 | !(rdev->wiphy.interface_modes & (1 << type))) |
2501 | return -EOPNOTSUPP; | |
55682965 | 2502 | |
1c18f145 AS |
2503 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2504 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2505 | ETH_ALEN); | |
2506 | if (!is_valid_ether_addr(params.macaddr)) | |
2507 | return -EADDRNOTAVAIL; | |
2508 | } | |
2509 | ||
9bc383de | 2510 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2511 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2512 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2513 | if (err) |
4c476991 | 2514 | return err; |
9bc383de | 2515 | } |
8b787643 | 2516 | |
1c90f9d4 JB |
2517 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2518 | if (!msg) | |
2519 | return -ENOMEM; | |
2520 | ||
66f7ac50 MW |
2521 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2522 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2523 | &flags); | |
e057d3c3 | 2524 | |
18003297 | 2525 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2526 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2527 | return -EOPNOTSUPP; | |
2528 | ||
e35e4d28 HG |
2529 | wdev = rdev_add_virtual_intf(rdev, |
2530 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2531 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2532 | if (IS_ERR(wdev)) { |
2533 | nlmsg_free(msg); | |
84efbb84 | 2534 | return PTR_ERR(wdev); |
1c90f9d4 | 2535 | } |
2ec600d6 | 2536 | |
98104fde JB |
2537 | switch (type) { |
2538 | case NL80211_IFTYPE_MESH_POINT: | |
2539 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2540 | break; | |
29cbe68c JB |
2541 | wdev_lock(wdev); |
2542 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2543 | IEEE80211_MAX_MESH_ID_LEN); | |
2544 | wdev->mesh_id_up_len = | |
2545 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2546 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2547 | wdev->mesh_id_up_len); | |
2548 | wdev_unlock(wdev); | |
98104fde JB |
2549 | break; |
2550 | case NL80211_IFTYPE_P2P_DEVICE: | |
2551 | /* | |
2552 | * P2P Device doesn't have a netdev, so doesn't go | |
2553 | * through the netdev notifier and must be added here | |
2554 | */ | |
2555 | mutex_init(&wdev->mtx); | |
2556 | INIT_LIST_HEAD(&wdev->event_list); | |
2557 | spin_lock_init(&wdev->event_lock); | |
2558 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2559 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2560 | ||
98104fde JB |
2561 | wdev->identifier = ++rdev->wdev_id; |
2562 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2563 | rdev->devlist_generation++; | |
98104fde JB |
2564 | break; |
2565 | default: | |
2566 | break; | |
29cbe68c JB |
2567 | } |
2568 | ||
15e47304 | 2569 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2570 | rdev, wdev) < 0) { |
2571 | nlmsg_free(msg); | |
2572 | return -ENOBUFS; | |
2573 | } | |
2574 | ||
2575 | return genlmsg_reply(msg, info); | |
55682965 JB |
2576 | } |
2577 | ||
2578 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2579 | { | |
4c476991 | 2580 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2581 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2582 | |
4c476991 JB |
2583 | if (!rdev->ops->del_virtual_intf) |
2584 | return -EOPNOTSUPP; | |
55682965 | 2585 | |
84efbb84 JB |
2586 | /* |
2587 | * If we remove a wireless device without a netdev then clear | |
2588 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2589 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2590 | * since the wdev has been freed, unlike with a netdev where | |
2591 | * we need the dev_put() for the netdev to really be freed. | |
2592 | */ | |
2593 | if (!wdev->netdev) | |
2594 | info->user_ptr[1] = NULL; | |
2595 | ||
e35e4d28 | 2596 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2597 | } |
2598 | ||
1d9d9213 SW |
2599 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2600 | { | |
2601 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2602 | struct net_device *dev = info->user_ptr[1]; | |
2603 | u16 noack_map; | |
2604 | ||
2605 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2606 | return -EINVAL; | |
2607 | ||
2608 | if (!rdev->ops->set_noack_map) | |
2609 | return -EOPNOTSUPP; | |
2610 | ||
2611 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2612 | ||
e35e4d28 | 2613 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2614 | } |
2615 | ||
41ade00f JB |
2616 | struct get_key_cookie { |
2617 | struct sk_buff *msg; | |
2618 | int error; | |
b9454e83 | 2619 | int idx; |
41ade00f JB |
2620 | }; |
2621 | ||
2622 | static void get_key_callback(void *c, struct key_params *params) | |
2623 | { | |
b9454e83 | 2624 | struct nlattr *key; |
41ade00f JB |
2625 | struct get_key_cookie *cookie = c; |
2626 | ||
9360ffd1 DM |
2627 | if ((params->key && |
2628 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2629 | params->key_len, params->key)) || | |
2630 | (params->seq && | |
2631 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2632 | params->seq_len, params->seq)) || | |
2633 | (params->cipher && | |
2634 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2635 | params->cipher))) | |
2636 | goto nla_put_failure; | |
41ade00f | 2637 | |
b9454e83 JB |
2638 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2639 | if (!key) | |
2640 | goto nla_put_failure; | |
2641 | ||
9360ffd1 DM |
2642 | if ((params->key && |
2643 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2644 | params->key_len, params->key)) || | |
2645 | (params->seq && | |
2646 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2647 | params->seq_len, params->seq)) || | |
2648 | (params->cipher && | |
2649 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2650 | params->cipher))) | |
2651 | goto nla_put_failure; | |
b9454e83 | 2652 | |
9360ffd1 DM |
2653 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2654 | goto nla_put_failure; | |
b9454e83 JB |
2655 | |
2656 | nla_nest_end(cookie->msg, key); | |
2657 | ||
41ade00f JB |
2658 | return; |
2659 | nla_put_failure: | |
2660 | cookie->error = 1; | |
2661 | } | |
2662 | ||
2663 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2664 | { | |
4c476991 | 2665 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2666 | int err; |
4c476991 | 2667 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2668 | u8 key_idx = 0; |
e31b8213 JB |
2669 | const u8 *mac_addr = NULL; |
2670 | bool pairwise; | |
41ade00f JB |
2671 | struct get_key_cookie cookie = { |
2672 | .error = 0, | |
2673 | }; | |
2674 | void *hdr; | |
2675 | struct sk_buff *msg; | |
2676 | ||
2677 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2678 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2679 | ||
3cfcf6ac | 2680 | if (key_idx > 5) |
41ade00f JB |
2681 | return -EINVAL; |
2682 | ||
2683 | if (info->attrs[NL80211_ATTR_MAC]) | |
2684 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2685 | ||
e31b8213 JB |
2686 | pairwise = !!mac_addr; |
2687 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2688 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2689 | if (kt >= NUM_NL80211_KEYTYPES) | |
2690 | return -EINVAL; | |
2691 | if (kt != NL80211_KEYTYPE_GROUP && | |
2692 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2693 | return -EINVAL; | |
2694 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2695 | } | |
2696 | ||
4c476991 JB |
2697 | if (!rdev->ops->get_key) |
2698 | return -EOPNOTSUPP; | |
41ade00f | 2699 | |
fd2120ca | 2700 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2701 | if (!msg) |
2702 | return -ENOMEM; | |
41ade00f | 2703 | |
15e47304 | 2704 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2705 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 2706 | if (!hdr) |
9fe271af | 2707 | goto nla_put_failure; |
41ade00f JB |
2708 | |
2709 | cookie.msg = msg; | |
b9454e83 | 2710 | cookie.idx = key_idx; |
41ade00f | 2711 | |
9360ffd1 DM |
2712 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2713 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2714 | goto nla_put_failure; | |
2715 | if (mac_addr && | |
2716 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2717 | goto nla_put_failure; | |
41ade00f | 2718 | |
e31b8213 JB |
2719 | if (pairwise && mac_addr && |
2720 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2721 | return -ENOENT; | |
2722 | ||
e35e4d28 HG |
2723 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2724 | get_key_callback); | |
41ade00f JB |
2725 | |
2726 | if (err) | |
6c95e2a2 | 2727 | goto free_msg; |
41ade00f JB |
2728 | |
2729 | if (cookie.error) | |
2730 | goto nla_put_failure; | |
2731 | ||
2732 | genlmsg_end(msg, hdr); | |
4c476991 | 2733 | return genlmsg_reply(msg, info); |
41ade00f JB |
2734 | |
2735 | nla_put_failure: | |
2736 | err = -ENOBUFS; | |
6c95e2a2 | 2737 | free_msg: |
41ade00f | 2738 | nlmsg_free(msg); |
41ade00f JB |
2739 | return err; |
2740 | } | |
2741 | ||
2742 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2743 | { | |
4c476991 | 2744 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2745 | struct key_parse key; |
41ade00f | 2746 | int err; |
4c476991 | 2747 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2748 | |
b9454e83 JB |
2749 | err = nl80211_parse_key(info, &key); |
2750 | if (err) | |
2751 | return err; | |
41ade00f | 2752 | |
b9454e83 | 2753 | if (key.idx < 0) |
41ade00f JB |
2754 | return -EINVAL; |
2755 | ||
b9454e83 JB |
2756 | /* only support setting default key */ |
2757 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2758 | return -EINVAL; |
2759 | ||
dbd2fd65 | 2760 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2761 | |
dbd2fd65 JB |
2762 | if (key.def) { |
2763 | if (!rdev->ops->set_default_key) { | |
2764 | err = -EOPNOTSUPP; | |
2765 | goto out; | |
2766 | } | |
41ade00f | 2767 | |
dbd2fd65 JB |
2768 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2769 | if (err) | |
2770 | goto out; | |
2771 | ||
e35e4d28 | 2772 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2773 | key.def_uni, key.def_multi); |
2774 | ||
2775 | if (err) | |
2776 | goto out; | |
fffd0934 | 2777 | |
3d23e349 | 2778 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2779 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2780 | #endif | |
2781 | } else { | |
2782 | if (key.def_uni || !key.def_multi) { | |
2783 | err = -EINVAL; | |
2784 | goto out; | |
2785 | } | |
2786 | ||
2787 | if (!rdev->ops->set_default_mgmt_key) { | |
2788 | err = -EOPNOTSUPP; | |
2789 | goto out; | |
2790 | } | |
2791 | ||
2792 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2793 | if (err) | |
2794 | goto out; | |
2795 | ||
e35e4d28 | 2796 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2797 | if (err) |
2798 | goto out; | |
2799 | ||
2800 | #ifdef CONFIG_CFG80211_WEXT | |
2801 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2802 | #endif |
dbd2fd65 JB |
2803 | } |
2804 | ||
2805 | out: | |
fffd0934 | 2806 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2807 | |
41ade00f JB |
2808 | return err; |
2809 | } | |
2810 | ||
2811 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2812 | { | |
4c476991 | 2813 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2814 | int err; |
4c476991 | 2815 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2816 | struct key_parse key; |
e31b8213 | 2817 | const u8 *mac_addr = NULL; |
41ade00f | 2818 | |
b9454e83 JB |
2819 | err = nl80211_parse_key(info, &key); |
2820 | if (err) | |
2821 | return err; | |
41ade00f | 2822 | |
b9454e83 | 2823 | if (!key.p.key) |
41ade00f JB |
2824 | return -EINVAL; |
2825 | ||
41ade00f JB |
2826 | if (info->attrs[NL80211_ATTR_MAC]) |
2827 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2828 | ||
e31b8213 JB |
2829 | if (key.type == -1) { |
2830 | if (mac_addr) | |
2831 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2832 | else | |
2833 | key.type = NL80211_KEYTYPE_GROUP; | |
2834 | } | |
2835 | ||
2836 | /* for now */ | |
2837 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2838 | key.type != NL80211_KEYTYPE_GROUP) | |
2839 | return -EINVAL; | |
2840 | ||
4c476991 JB |
2841 | if (!rdev->ops->add_key) |
2842 | return -EOPNOTSUPP; | |
25e47c18 | 2843 | |
e31b8213 JB |
2844 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2845 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2846 | mac_addr)) | |
4c476991 | 2847 | return -EINVAL; |
41ade00f | 2848 | |
fffd0934 JB |
2849 | wdev_lock(dev->ieee80211_ptr); |
2850 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2851 | if (!err) | |
e35e4d28 HG |
2852 | err = rdev_add_key(rdev, dev, key.idx, |
2853 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2854 | mac_addr, &key.p); | |
fffd0934 | 2855 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2856 | |
41ade00f JB |
2857 | return err; |
2858 | } | |
2859 | ||
2860 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2861 | { | |
4c476991 | 2862 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2863 | int err; |
4c476991 | 2864 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2865 | u8 *mac_addr = NULL; |
b9454e83 | 2866 | struct key_parse key; |
41ade00f | 2867 | |
b9454e83 JB |
2868 | err = nl80211_parse_key(info, &key); |
2869 | if (err) | |
2870 | return err; | |
41ade00f JB |
2871 | |
2872 | if (info->attrs[NL80211_ATTR_MAC]) | |
2873 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2874 | ||
e31b8213 JB |
2875 | if (key.type == -1) { |
2876 | if (mac_addr) | |
2877 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2878 | else | |
2879 | key.type = NL80211_KEYTYPE_GROUP; | |
2880 | } | |
2881 | ||
2882 | /* for now */ | |
2883 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2884 | key.type != NL80211_KEYTYPE_GROUP) | |
2885 | return -EINVAL; | |
2886 | ||
4c476991 JB |
2887 | if (!rdev->ops->del_key) |
2888 | return -EOPNOTSUPP; | |
41ade00f | 2889 | |
fffd0934 JB |
2890 | wdev_lock(dev->ieee80211_ptr); |
2891 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2892 | |
2893 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2894 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2895 | err = -ENOENT; | |
2896 | ||
fffd0934 | 2897 | if (!err) |
e35e4d28 HG |
2898 | err = rdev_del_key(rdev, dev, key.idx, |
2899 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2900 | mac_addr); | |
41ade00f | 2901 | |
3d23e349 | 2902 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2903 | if (!err) { |
b9454e83 | 2904 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2905 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2906 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2907 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2908 | } | |
2909 | #endif | |
fffd0934 | 2910 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2911 | |
41ade00f JB |
2912 | return err; |
2913 | } | |
2914 | ||
77765eaf VT |
2915 | /* This function returns an error or the number of nested attributes */ |
2916 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
2917 | { | |
2918 | struct nlattr *attr; | |
2919 | int n_entries = 0, tmp; | |
2920 | ||
2921 | nla_for_each_nested(attr, nl_attr, tmp) { | |
2922 | if (nla_len(attr) != ETH_ALEN) | |
2923 | return -EINVAL; | |
2924 | ||
2925 | n_entries++; | |
2926 | } | |
2927 | ||
2928 | return n_entries; | |
2929 | } | |
2930 | ||
2931 | /* | |
2932 | * This function parses ACL information and allocates memory for ACL data. | |
2933 | * On successful return, the calling function is responsible to free the | |
2934 | * ACL buffer returned by this function. | |
2935 | */ | |
2936 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
2937 | struct genl_info *info) | |
2938 | { | |
2939 | enum nl80211_acl_policy acl_policy; | |
2940 | struct nlattr *attr; | |
2941 | struct cfg80211_acl_data *acl; | |
2942 | int i = 0, n_entries, tmp; | |
2943 | ||
2944 | if (!wiphy->max_acl_mac_addrs) | |
2945 | return ERR_PTR(-EOPNOTSUPP); | |
2946 | ||
2947 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
2948 | return ERR_PTR(-EINVAL); | |
2949 | ||
2950 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
2951 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
2952 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
2953 | return ERR_PTR(-EINVAL); | |
2954 | ||
2955 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
2956 | return ERR_PTR(-EINVAL); | |
2957 | ||
2958 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
2959 | if (n_entries < 0) | |
2960 | return ERR_PTR(n_entries); | |
2961 | ||
2962 | if (n_entries > wiphy->max_acl_mac_addrs) | |
2963 | return ERR_PTR(-ENOTSUPP); | |
2964 | ||
2965 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
2966 | GFP_KERNEL); | |
2967 | if (!acl) | |
2968 | return ERR_PTR(-ENOMEM); | |
2969 | ||
2970 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
2971 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
2972 | i++; | |
2973 | } | |
2974 | ||
2975 | acl->n_acl_entries = n_entries; | |
2976 | acl->acl_policy = acl_policy; | |
2977 | ||
2978 | return acl; | |
2979 | } | |
2980 | ||
2981 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
2982 | { | |
2983 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2984 | struct net_device *dev = info->user_ptr[1]; | |
2985 | struct cfg80211_acl_data *acl; | |
2986 | int err; | |
2987 | ||
2988 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2989 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2990 | return -EOPNOTSUPP; | |
2991 | ||
2992 | if (!dev->ieee80211_ptr->beacon_interval) | |
2993 | return -EINVAL; | |
2994 | ||
2995 | acl = parse_acl_data(&rdev->wiphy, info); | |
2996 | if (IS_ERR(acl)) | |
2997 | return PTR_ERR(acl); | |
2998 | ||
2999 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3000 | ||
3001 | kfree(acl); | |
3002 | ||
3003 | return err; | |
3004 | } | |
3005 | ||
a1193be8 | 3006 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3007 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3008 | { |
8860020e | 3009 | bool haveinfo = false; |
ed1b6cc7 | 3010 | |
a1193be8 SW |
3011 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3012 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3013 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3014 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3015 | return -EINVAL; |
3016 | ||
8860020e | 3017 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3018 | |
a1193be8 SW |
3019 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3020 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3021 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3022 | if (!bcn->head_len) |
3023 | return -EINVAL; | |
3024 | haveinfo = true; | |
ed1b6cc7 JB |
3025 | } |
3026 | ||
a1193be8 SW |
3027 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3028 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3029 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3030 | haveinfo = true; |
ed1b6cc7 JB |
3031 | } |
3032 | ||
4c476991 JB |
3033 | if (!haveinfo) |
3034 | return -EINVAL; | |
3b85875a | 3035 | |
a1193be8 SW |
3036 | if (attrs[NL80211_ATTR_IE]) { |
3037 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3038 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3039 | } |
3040 | ||
a1193be8 | 3041 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3042 | bcn->proberesp_ies = |
a1193be8 | 3043 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3044 | bcn->proberesp_ies_len = |
a1193be8 | 3045 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3046 | } |
3047 | ||
a1193be8 | 3048 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3049 | bcn->assocresp_ies = |
a1193be8 | 3050 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3051 | bcn->assocresp_ies_len = |
a1193be8 | 3052 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3053 | } |
3054 | ||
a1193be8 SW |
3055 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3056 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3057 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3058 | } |
3059 | ||
8860020e JB |
3060 | return 0; |
3061 | } | |
3062 | ||
46c1dd0c FF |
3063 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3064 | struct cfg80211_ap_settings *params) | |
3065 | { | |
3066 | struct wireless_dev *wdev; | |
3067 | bool ret = false; | |
3068 | ||
89a54e48 | 3069 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3070 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3071 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3072 | continue; | |
3073 | ||
683b6d3b | 3074 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3075 | continue; |
3076 | ||
683b6d3b | 3077 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3078 | ret = true; |
3079 | break; | |
3080 | } | |
3081 | ||
46c1dd0c FF |
3082 | return ret; |
3083 | } | |
3084 | ||
e39e5b5e JM |
3085 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3086 | enum nl80211_auth_type auth_type, | |
3087 | enum nl80211_commands cmd) | |
3088 | { | |
3089 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3090 | return false; | |
3091 | ||
3092 | switch (cmd) { | |
3093 | case NL80211_CMD_AUTHENTICATE: | |
3094 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3095 | auth_type == NL80211_AUTHTYPE_SAE) | |
3096 | return false; | |
3097 | return true; | |
3098 | case NL80211_CMD_CONNECT: | |
3099 | case NL80211_CMD_START_AP: | |
3100 | /* SAE not supported yet */ | |
3101 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3102 | return false; | |
3103 | return true; | |
3104 | default: | |
3105 | return false; | |
3106 | } | |
3107 | } | |
3108 | ||
8860020e JB |
3109 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3110 | { | |
3111 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3112 | struct net_device *dev = info->user_ptr[1]; | |
3113 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3114 | struct cfg80211_ap_settings params; | |
3115 | int err; | |
04f39047 | 3116 | u8 radar_detect_width = 0; |
8860020e JB |
3117 | |
3118 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3119 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3120 | return -EOPNOTSUPP; | |
3121 | ||
3122 | if (!rdev->ops->start_ap) | |
3123 | return -EOPNOTSUPP; | |
3124 | ||
3125 | if (wdev->beacon_interval) | |
3126 | return -EALREADY; | |
3127 | ||
3128 | memset(¶ms, 0, sizeof(params)); | |
3129 | ||
3130 | /* these are required for START_AP */ | |
3131 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3132 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3133 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3134 | return -EINVAL; | |
3135 | ||
a1193be8 | 3136 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3137 | if (err) |
3138 | return err; | |
3139 | ||
3140 | params.beacon_interval = | |
3141 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3142 | params.dtim_period = | |
3143 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3144 | ||
3145 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3146 | if (err) | |
3147 | return err; | |
3148 | ||
3149 | /* | |
3150 | * In theory, some of these attributes should be required here | |
3151 | * but since they were not used when the command was originally | |
3152 | * added, keep them optional for old user space programs to let | |
3153 | * them continue to work with drivers that do not need the | |
3154 | * additional information -- drivers must check! | |
3155 | */ | |
3156 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3157 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3158 | params.ssid_len = | |
3159 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3160 | if (params.ssid_len == 0 || | |
3161 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3162 | return -EINVAL; | |
3163 | } | |
3164 | ||
3165 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3166 | params.hidden_ssid = nla_get_u32( | |
3167 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3168 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3169 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3170 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3171 | return -EINVAL; | |
3172 | } | |
3173 | ||
3174 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3175 | ||
3176 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3177 | params.auth_type = nla_get_u32( | |
3178 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3179 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3180 | NL80211_CMD_START_AP)) | |
8860020e JB |
3181 | return -EINVAL; |
3182 | } else | |
3183 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3184 | ||
3185 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3186 | NL80211_MAX_NR_CIPHER_SUITES); | |
3187 | if (err) | |
3188 | return err; | |
3189 | ||
1b658f11 VT |
3190 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3191 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3192 | return -EOPNOTSUPP; | |
3193 | params.inactivity_timeout = nla_get_u16( | |
3194 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3195 | } | |
3196 | ||
53cabad7 JB |
3197 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3198 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3199 | return -EINVAL; | |
3200 | params.p2p_ctwindow = | |
3201 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3202 | if (params.p2p_ctwindow > 127) | |
3203 | return -EINVAL; | |
3204 | if (params.p2p_ctwindow != 0 && | |
3205 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3206 | return -EINVAL; | |
3207 | } | |
3208 | ||
3209 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3210 | u8 tmp; | |
3211 | ||
3212 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3213 | return -EINVAL; | |
3214 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3215 | if (tmp > 1) | |
3216 | return -EINVAL; | |
3217 | params.p2p_opp_ps = tmp; | |
3218 | if (params.p2p_opp_ps != 0 && | |
3219 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3220 | return -EINVAL; | |
3221 | } | |
3222 | ||
aa430da4 | 3223 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3224 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3225 | if (err) | |
3226 | return err; | |
3227 | } else if (wdev->preset_chandef.chan) { | |
3228 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3229 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3230 | return -EINVAL; |
3231 | ||
683b6d3b | 3232 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) |
aa430da4 JB |
3233 | return -EINVAL; |
3234 | ||
04f39047 SW |
3235 | err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); |
3236 | if (err < 0) | |
3237 | return err; | |
3238 | if (err) { | |
3239 | radar_detect_width = BIT(params.chandef.width); | |
3240 | params.radar_required = true; | |
3241 | } | |
3242 | ||
04f39047 SW |
3243 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
3244 | params.chandef.chan, | |
3245 | CHAN_MODE_SHARED, | |
3246 | radar_detect_width); | |
e4e32459 MK |
3247 | if (err) |
3248 | return err; | |
3249 | ||
77765eaf VT |
3250 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3251 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3252 | if (IS_ERR(params.acl)) | |
3253 | return PTR_ERR(params.acl); | |
3254 | } | |
3255 | ||
c56589ed | 3256 | wdev_lock(wdev); |
e35e4d28 | 3257 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3258 | if (!err) { |
683b6d3b | 3259 | wdev->preset_chandef = params.chandef; |
8860020e | 3260 | wdev->beacon_interval = params.beacon_interval; |
683b6d3b | 3261 | wdev->channel = params.chandef.chan; |
06e191e2 AQ |
3262 | wdev->ssid_len = params.ssid_len; |
3263 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3264 | } |
c56589ed | 3265 | wdev_unlock(wdev); |
77765eaf VT |
3266 | |
3267 | kfree(params.acl); | |
3268 | ||
56d1893d | 3269 | return err; |
ed1b6cc7 JB |
3270 | } |
3271 | ||
8860020e JB |
3272 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3273 | { | |
3274 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3275 | struct net_device *dev = info->user_ptr[1]; | |
3276 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3277 | struct cfg80211_beacon_data params; | |
3278 | int err; | |
3279 | ||
3280 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3281 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3282 | return -EOPNOTSUPP; | |
3283 | ||
3284 | if (!rdev->ops->change_beacon) | |
3285 | return -EOPNOTSUPP; | |
3286 | ||
3287 | if (!wdev->beacon_interval) | |
3288 | return -EINVAL; | |
3289 | ||
a1193be8 | 3290 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3291 | if (err) |
3292 | return err; | |
3293 | ||
c56589ed SW |
3294 | wdev_lock(wdev); |
3295 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3296 | wdev_unlock(wdev); | |
3297 | ||
3298 | return err; | |
8860020e JB |
3299 | } |
3300 | ||
3301 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3302 | { |
4c476991 JB |
3303 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3304 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3305 | |
60771780 | 3306 | return cfg80211_stop_ap(rdev, dev); |
ed1b6cc7 JB |
3307 | } |
3308 | ||
5727ef1b JB |
3309 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3310 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3311 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3312 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3313 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3314 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3315 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3316 | }; |
3317 | ||
eccb8e8f | 3318 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3319 | enum nl80211_iftype iftype, |
eccb8e8f | 3320 | struct station_parameters *params) |
5727ef1b JB |
3321 | { |
3322 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3323 | struct nlattr *nla; |
5727ef1b JB |
3324 | int flag; |
3325 | ||
eccb8e8f JB |
3326 | /* |
3327 | * Try parsing the new attribute first so userspace | |
3328 | * can specify both for older kernels. | |
3329 | */ | |
3330 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3331 | if (nla) { | |
3332 | struct nl80211_sta_flag_update *sta_flags; | |
3333 | ||
3334 | sta_flags = nla_data(nla); | |
3335 | params->sta_flags_mask = sta_flags->mask; | |
3336 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3337 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3338 | if ((params->sta_flags_mask | |
3339 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3340 | return -EINVAL; | |
3341 | return 0; | |
3342 | } | |
3343 | ||
3344 | /* if present, parse the old attribute */ | |
5727ef1b | 3345 | |
eccb8e8f | 3346 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3347 | if (!nla) |
3348 | return 0; | |
3349 | ||
3350 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3351 | nla, sta_flags_policy)) | |
3352 | return -EINVAL; | |
3353 | ||
bdd3ae3d JB |
3354 | /* |
3355 | * Only allow certain flags for interface types so that | |
3356 | * other attributes are silently ignored. Remember that | |
3357 | * this is backward compatibility code with old userspace | |
3358 | * and shouldn't be hit in other cases anyway. | |
3359 | */ | |
3360 | switch (iftype) { | |
3361 | case NL80211_IFTYPE_AP: | |
3362 | case NL80211_IFTYPE_AP_VLAN: | |
3363 | case NL80211_IFTYPE_P2P_GO: | |
3364 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3365 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3366 | BIT(NL80211_STA_FLAG_WME) | | |
3367 | BIT(NL80211_STA_FLAG_MFP); | |
3368 | break; | |
3369 | case NL80211_IFTYPE_P2P_CLIENT: | |
3370 | case NL80211_IFTYPE_STATION: | |
3371 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3372 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3373 | break; | |
3374 | case NL80211_IFTYPE_MESH_POINT: | |
3375 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3376 | BIT(NL80211_STA_FLAG_MFP) | | |
3377 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3378 | default: | |
3379 | return -EINVAL; | |
3380 | } | |
5727ef1b | 3381 | |
3383b5a6 JB |
3382 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3383 | if (flags[flag]) { | |
eccb8e8f | 3384 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3385 | |
3383b5a6 JB |
3386 | /* no longer support new API additions in old API */ |
3387 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3388 | return -EINVAL; | |
3389 | } | |
3390 | } | |
3391 | ||
5727ef1b JB |
3392 | return 0; |
3393 | } | |
3394 | ||
c8dcfd8a FF |
3395 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3396 | int attr) | |
3397 | { | |
3398 | struct nlattr *rate; | |
8eb41c8d VK |
3399 | u32 bitrate; |
3400 | u16 bitrate_compat; | |
c8dcfd8a FF |
3401 | |
3402 | rate = nla_nest_start(msg, attr); | |
3403 | if (!rate) | |
db9c64cf | 3404 | return false; |
c8dcfd8a FF |
3405 | |
3406 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3407 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3408 | /* report 16-bit bitrate only if we can */ |
3409 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3410 | if (bitrate > 0 && |
3411 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3412 | return false; | |
3413 | if (bitrate_compat > 0 && | |
3414 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3415 | return false; | |
3416 | ||
3417 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3418 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3419 | return false; | |
3420 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3421 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3422 | return false; | |
3423 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3424 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3425 | return false; | |
3426 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3427 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3428 | return false; | |
3429 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3430 | return false; | |
3431 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3432 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3433 | return false; | |
3434 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3435 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3436 | return false; | |
3437 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3438 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3439 | return false; | |
3440 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3441 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3442 | return false; | |
3443 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3444 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3445 | return false; | |
3446 | } | |
c8dcfd8a FF |
3447 | |
3448 | nla_nest_end(msg, rate); | |
3449 | return true; | |
c8dcfd8a FF |
3450 | } |
3451 | ||
119363c7 FF |
3452 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3453 | int id) | |
3454 | { | |
3455 | void *attr; | |
3456 | int i = 0; | |
3457 | ||
3458 | if (!mask) | |
3459 | return true; | |
3460 | ||
3461 | attr = nla_nest_start(msg, id); | |
3462 | if (!attr) | |
3463 | return false; | |
3464 | ||
3465 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3466 | if (!(mask & BIT(i))) | |
3467 | continue; | |
3468 | ||
3469 | if (nla_put_u8(msg, i, signal[i])) | |
3470 | return false; | |
3471 | } | |
3472 | ||
3473 | nla_nest_end(msg, attr); | |
3474 | ||
3475 | return true; | |
3476 | } | |
3477 | ||
15e47304 | 3478 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3479 | int flags, |
3480 | struct cfg80211_registered_device *rdev, | |
3481 | struct net_device *dev, | |
98b62183 | 3482 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3483 | { |
3484 | void *hdr; | |
f4263c98 | 3485 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3486 | |
15e47304 | 3487 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3488 | if (!hdr) |
3489 | return -1; | |
3490 | ||
9360ffd1 DM |
3491 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3492 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3493 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3494 | goto nla_put_failure; | |
f5ea9120 | 3495 | |
2ec600d6 LCC |
3496 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3497 | if (!sinfoattr) | |
fd5b74dc | 3498 | goto nla_put_failure; |
9360ffd1 DM |
3499 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3500 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3501 | sinfo->connected_time)) | |
3502 | goto nla_put_failure; | |
3503 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3504 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3505 | sinfo->inactive_time)) | |
3506 | goto nla_put_failure; | |
42745e03 VK |
3507 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3508 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3509 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3510 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3511 | goto nla_put_failure; |
42745e03 | 3512 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3513 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3514 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3515 | (u32)sinfo->tx_bytes)) |
3516 | goto nla_put_failure; | |
3517 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3518 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3519 | sinfo->rx_bytes)) | |
3520 | goto nla_put_failure; | |
3521 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3522 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3523 | sinfo->tx_bytes)) |
3524 | goto nla_put_failure; | |
3525 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3526 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3527 | goto nla_put_failure; | |
3528 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3529 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3530 | goto nla_put_failure; | |
3531 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3532 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3533 | sinfo->plink_state)) | |
3534 | goto nla_put_failure; | |
66266b3a JL |
3535 | switch (rdev->wiphy.signal_type) { |
3536 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3537 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3538 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3539 | sinfo->signal)) | |
3540 | goto nla_put_failure; | |
3541 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3542 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3543 | sinfo->signal_avg)) | |
3544 | goto nla_put_failure; | |
66266b3a JL |
3545 | break; |
3546 | default: | |
3547 | break; | |
3548 | } | |
119363c7 FF |
3549 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3550 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3551 | sinfo->chain_signal, | |
3552 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3553 | goto nla_put_failure; | |
3554 | } | |
3555 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3556 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3557 | sinfo->chain_signal_avg, | |
3558 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3559 | goto nla_put_failure; | |
3560 | } | |
420e7fab | 3561 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3562 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3563 | NL80211_STA_INFO_TX_BITRATE)) | |
3564 | goto nla_put_failure; | |
3565 | } | |
3566 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3567 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3568 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3569 | goto nla_put_failure; |
420e7fab | 3570 | } |
9360ffd1 DM |
3571 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3572 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3573 | sinfo->rx_packets)) | |
3574 | goto nla_put_failure; | |
3575 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3576 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3577 | sinfo->tx_packets)) | |
3578 | goto nla_put_failure; | |
3579 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3580 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3581 | sinfo->tx_retries)) | |
3582 | goto nla_put_failure; | |
3583 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3584 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3585 | sinfo->tx_failed)) | |
3586 | goto nla_put_failure; | |
3587 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && | |
3588 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3589 | sinfo->beacon_loss_count)) | |
3590 | goto nla_put_failure; | |
3b1c5a53 MP |
3591 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3592 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3593 | sinfo->local_pm)) | |
3594 | goto nla_put_failure; | |
3595 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3596 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3597 | sinfo->peer_pm)) | |
3598 | goto nla_put_failure; | |
3599 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3600 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3601 | sinfo->nonpeer_pm)) | |
3602 | goto nla_put_failure; | |
f4263c98 PS |
3603 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3604 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3605 | if (!bss_param) | |
3606 | goto nla_put_failure; | |
3607 | ||
9360ffd1 DM |
3608 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3609 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3610 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3611 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3612 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3613 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3614 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3615 | sinfo->bss_param.dtim_period) || | |
3616 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3617 | sinfo->bss_param.beacon_interval)) | |
3618 | goto nla_put_failure; | |
f4263c98 PS |
3619 | |
3620 | nla_nest_end(msg, bss_param); | |
3621 | } | |
9360ffd1 DM |
3622 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3623 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3624 | sizeof(struct nl80211_sta_flag_update), | |
3625 | &sinfo->sta_flags)) | |
3626 | goto nla_put_failure; | |
7eab0f64 JL |
3627 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3628 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3629 | sinfo->t_offset)) | |
3630 | goto nla_put_failure; | |
2ec600d6 | 3631 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3632 | |
9360ffd1 DM |
3633 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3634 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3635 | sinfo->assoc_req_ies)) | |
3636 | goto nla_put_failure; | |
50d3dfb7 | 3637 | |
fd5b74dc JB |
3638 | return genlmsg_end(msg, hdr); |
3639 | ||
3640 | nla_put_failure: | |
bc3ed28c TG |
3641 | genlmsg_cancel(msg, hdr); |
3642 | return -EMSGSIZE; | |
fd5b74dc JB |
3643 | } |
3644 | ||
2ec600d6 | 3645 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3646 | struct netlink_callback *cb) |
2ec600d6 | 3647 | { |
2ec600d6 LCC |
3648 | struct station_info sinfo; |
3649 | struct cfg80211_registered_device *dev; | |
97990a06 | 3650 | struct wireless_dev *wdev; |
2ec600d6 | 3651 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3652 | int sta_idx = cb->args[2]; |
2ec600d6 | 3653 | int err; |
2ec600d6 | 3654 | |
97990a06 | 3655 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
3656 | if (err) |
3657 | return err; | |
bba95fef | 3658 | |
97990a06 JB |
3659 | if (!wdev->netdev) { |
3660 | err = -EINVAL; | |
3661 | goto out_err; | |
3662 | } | |
3663 | ||
bba95fef | 3664 | if (!dev->ops->dump_station) { |
eec60b03 | 3665 | err = -EOPNOTSUPP; |
bba95fef JB |
3666 | goto out_err; |
3667 | } | |
3668 | ||
bba95fef | 3669 | while (1) { |
f612cedf | 3670 | memset(&sinfo, 0, sizeof(sinfo)); |
97990a06 | 3671 | err = rdev_dump_station(dev, wdev->netdev, sta_idx, |
e35e4d28 | 3672 | mac_addr, &sinfo); |
bba95fef JB |
3673 | if (err == -ENOENT) |
3674 | break; | |
3675 | if (err) | |
3b85875a | 3676 | goto out_err; |
bba95fef JB |
3677 | |
3678 | if (nl80211_send_station(skb, | |
15e47304 | 3679 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3680 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 3681 | dev, wdev->netdev, mac_addr, |
bba95fef JB |
3682 | &sinfo) < 0) |
3683 | goto out; | |
3684 | ||
3685 | sta_idx++; | |
3686 | } | |
3687 | ||
3688 | ||
3689 | out: | |
97990a06 | 3690 | cb->args[2] = sta_idx; |
bba95fef | 3691 | err = skb->len; |
bba95fef | 3692 | out_err: |
97990a06 | 3693 | nl80211_finish_wdev_dump(dev); |
bba95fef JB |
3694 | |
3695 | return err; | |
2ec600d6 | 3696 | } |
fd5b74dc | 3697 | |
5727ef1b JB |
3698 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3699 | { | |
4c476991 JB |
3700 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3701 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3702 | struct station_info sinfo; |
fd5b74dc JB |
3703 | struct sk_buff *msg; |
3704 | u8 *mac_addr = NULL; | |
4c476991 | 3705 | int err; |
fd5b74dc | 3706 | |
2ec600d6 | 3707 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3708 | |
3709 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3710 | return -EINVAL; | |
3711 | ||
3712 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3713 | ||
4c476991 JB |
3714 | if (!rdev->ops->get_station) |
3715 | return -EOPNOTSUPP; | |
3b85875a | 3716 | |
e35e4d28 | 3717 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3718 | if (err) |
4c476991 | 3719 | return err; |
2ec600d6 | 3720 | |
fd2120ca | 3721 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3722 | if (!msg) |
4c476991 | 3723 | return -ENOMEM; |
fd5b74dc | 3724 | |
15e47304 | 3725 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3726 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3727 | nlmsg_free(msg); |
3728 | return -ENOBUFS; | |
3729 | } | |
3b85875a | 3730 | |
4c476991 | 3731 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3732 | } |
3733 | ||
77ee7c89 JB |
3734 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3735 | struct station_parameters *params, | |
3736 | enum cfg80211_station_type statype) | |
3737 | { | |
3738 | if (params->listen_interval != -1) | |
3739 | return -EINVAL; | |
3740 | if (params->aid) | |
3741 | return -EINVAL; | |
3742 | ||
3743 | /* When you run into this, adjust the code below for the new flag */ | |
3744 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3745 | ||
3746 | switch (statype) { | |
eef941e6 TP |
3747 | case CFG80211_STA_MESH_PEER_KERNEL: |
3748 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3749 | /* |
3750 | * No ignoring the TDLS flag here -- the userspace mesh | |
3751 | * code doesn't have the bug of including TDLS in the | |
3752 | * mask everywhere. | |
3753 | */ | |
3754 | if (params->sta_flags_mask & | |
3755 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3756 | BIT(NL80211_STA_FLAG_MFP) | | |
3757 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3758 | return -EINVAL; | |
3759 | break; | |
3760 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3761 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3762 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3763 | return -EINVAL; | |
3764 | /* ignore since it can't change */ | |
3765 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3766 | break; | |
3767 | default: | |
3768 | /* disallow mesh-specific things */ | |
3769 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3770 | return -EINVAL; | |
3771 | if (params->local_pm) | |
3772 | return -EINVAL; | |
3773 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3774 | return -EINVAL; | |
3775 | } | |
3776 | ||
3777 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3778 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3779 | /* TDLS can't be set, ... */ | |
3780 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3781 | return -EINVAL; | |
3782 | /* | |
3783 | * ... but don't bother the driver with it. This works around | |
3784 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3785 | * TLDS_PEER flag in the mask even for AP mode. | |
3786 | */ | |
3787 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3788 | } | |
3789 | ||
3790 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3791 | /* reject other things that can't change */ | |
3792 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3793 | return -EINVAL; | |
3794 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3795 | return -EINVAL; | |
3796 | if (params->supported_rates) | |
3797 | return -EINVAL; | |
3798 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3799 | return -EINVAL; | |
3800 | } | |
3801 | ||
3802 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3803 | if (params->vlan) | |
3804 | return -EINVAL; | |
3805 | } | |
3806 | ||
3807 | switch (statype) { | |
3808 | case CFG80211_STA_AP_MLME_CLIENT: | |
3809 | /* Use this only for authorizing/unauthorizing a station */ | |
3810 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3811 | return -EOPNOTSUPP; | |
3812 | break; | |
3813 | case CFG80211_STA_AP_CLIENT: | |
3814 | /* accept only the listed bits */ | |
3815 | if (params->sta_flags_mask & | |
3816 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3817 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3818 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3819 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3820 | BIT(NL80211_STA_FLAG_WME) | | |
3821 | BIT(NL80211_STA_FLAG_MFP))) | |
3822 | return -EINVAL; | |
3823 | ||
3824 | /* but authenticated/associated only if driver handles it */ | |
3825 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3826 | params->sta_flags_mask & | |
3827 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3828 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3829 | return -EINVAL; | |
3830 | break; | |
3831 | case CFG80211_STA_IBSS: | |
3832 | case CFG80211_STA_AP_STA: | |
3833 | /* reject any changes other than AUTHORIZED */ | |
3834 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3835 | return -EINVAL; | |
3836 | break; | |
3837 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3838 | /* reject any changes other than AUTHORIZED or WME */ | |
3839 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3840 | BIT(NL80211_STA_FLAG_WME))) | |
3841 | return -EINVAL; | |
3842 | /* force (at least) rates when authorizing */ | |
3843 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
3844 | !params->supported_rates) | |
3845 | return -EINVAL; | |
3846 | break; | |
3847 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3848 | /* reject any changes */ | |
3849 | return -EINVAL; | |
eef941e6 | 3850 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
3851 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
3852 | return -EINVAL; | |
3853 | break; | |
eef941e6 | 3854 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
3855 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
3856 | return -EINVAL; | |
3857 | break; | |
3858 | } | |
3859 | ||
3860 | return 0; | |
3861 | } | |
3862 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
3863 | ||
5727ef1b | 3864 | /* |
c258d2de | 3865 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3866 | */ |
80b99899 JB |
3867 | static struct net_device *get_vlan(struct genl_info *info, |
3868 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3869 | { |
463d0183 | 3870 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3871 | struct net_device *v; |
3872 | int ret; | |
3873 | ||
3874 | if (!vlanattr) | |
3875 | return NULL; | |
3876 | ||
3877 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3878 | if (!v) | |
3879 | return ERR_PTR(-ENODEV); | |
3880 | ||
3881 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3882 | ret = -EINVAL; | |
3883 | goto error; | |
5727ef1b | 3884 | } |
80b99899 | 3885 | |
77ee7c89 JB |
3886 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
3887 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3888 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
3889 | ret = -EINVAL; | |
3890 | goto error; | |
3891 | } | |
3892 | ||
80b99899 JB |
3893 | if (!netif_running(v)) { |
3894 | ret = -ENETDOWN; | |
3895 | goto error; | |
3896 | } | |
3897 | ||
3898 | return v; | |
3899 | error: | |
3900 | dev_put(v); | |
3901 | return ERR_PTR(ret); | |
5727ef1b JB |
3902 | } |
3903 | ||
df881293 JM |
3904 | static struct nla_policy |
3905 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
3906 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
3907 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
3908 | }; | |
3909 | ||
ff276691 JB |
3910 | static int nl80211_parse_sta_wme(struct genl_info *info, |
3911 | struct station_parameters *params) | |
df881293 | 3912 | { |
df881293 JM |
3913 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
3914 | struct nlattr *nla; | |
3915 | int err; | |
3916 | ||
df881293 JM |
3917 | /* parse WME attributes if present */ |
3918 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
3919 | return 0; | |
3920 | ||
3921 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
3922 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
3923 | nl80211_sta_wme_policy); | |
3924 | if (err) | |
3925 | return err; | |
3926 | ||
3927 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
3928 | params->uapsd_queues = nla_get_u8( | |
3929 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
3930 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
3931 | return -EINVAL; | |
3932 | ||
3933 | if (tb[NL80211_STA_WME_MAX_SP]) | |
3934 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
3935 | ||
3936 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
3937 | return -EINVAL; | |
3938 | ||
3939 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
3940 | ||
3941 | return 0; | |
3942 | } | |
3943 | ||
c01fc9ad SD |
3944 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
3945 | struct station_parameters *params) | |
3946 | { | |
3947 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
3948 | params->supported_channels = | |
3949 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3950 | params->supported_channels_len = | |
3951 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3952 | /* | |
3953 | * Need to include at least one (first channel, number of | |
3954 | * channels) tuple for each subband, and must have proper | |
3955 | * tuples for the rest of the data as well. | |
3956 | */ | |
3957 | if (params->supported_channels_len < 2) | |
3958 | return -EINVAL; | |
3959 | if (params->supported_channels_len % 2) | |
3960 | return -EINVAL; | |
3961 | } | |
3962 | ||
3963 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
3964 | params->supported_oper_classes = | |
3965 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3966 | params->supported_oper_classes_len = | |
3967 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3968 | /* | |
3969 | * The value of the Length field of the Supported Operating | |
3970 | * Classes element is between 2 and 253. | |
3971 | */ | |
3972 | if (params->supported_oper_classes_len < 2 || | |
3973 | params->supported_oper_classes_len > 253) | |
3974 | return -EINVAL; | |
3975 | } | |
3976 | return 0; | |
3977 | } | |
3978 | ||
ff276691 JB |
3979 | static int nl80211_set_station_tdls(struct genl_info *info, |
3980 | struct station_parameters *params) | |
3981 | { | |
c01fc9ad | 3982 | int err; |
ff276691 | 3983 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
3984 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
3985 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
3986 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
3987 | params->ht_capa = | |
3988 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
3989 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
3990 | params->vht_capa = | |
3991 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
3992 | ||
c01fc9ad SD |
3993 | err = nl80211_parse_sta_channel_info(info, params); |
3994 | if (err) | |
3995 | return err; | |
3996 | ||
ff276691 JB |
3997 | return nl80211_parse_sta_wme(info, params); |
3998 | } | |
3999 | ||
5727ef1b JB |
4000 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4001 | { | |
4c476991 | 4002 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4003 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4004 | struct station_parameters params; |
77ee7c89 JB |
4005 | u8 *mac_addr; |
4006 | int err; | |
5727ef1b JB |
4007 | |
4008 | memset(¶ms, 0, sizeof(params)); | |
4009 | ||
4010 | params.listen_interval = -1; | |
4011 | ||
77ee7c89 JB |
4012 | if (!rdev->ops->change_station) |
4013 | return -EOPNOTSUPP; | |
4014 | ||
5727ef1b JB |
4015 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4016 | return -EINVAL; | |
4017 | ||
4018 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4019 | return -EINVAL; | |
4020 | ||
4021 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4022 | ||
4023 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4024 | params.supported_rates = | |
4025 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4026 | params.supported_rates_len = | |
4027 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4028 | } | |
4029 | ||
9d62a986 JM |
4030 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4031 | params.capability = | |
4032 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4033 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4034 | } | |
4035 | ||
4036 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4037 | params.ext_capab = | |
4038 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4039 | params.ext_capab_len = | |
4040 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4041 | } | |
4042 | ||
df881293 | 4043 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4044 | return -EINVAL; |
36aedc90 | 4045 | |
bdd3ae3d | 4046 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4047 | return -EINVAL; |
4048 | ||
f8bacc21 | 4049 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4050 | params.plink_action = |
f8bacc21 JB |
4051 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4052 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4053 | return -EINVAL; | |
4054 | } | |
2ec600d6 | 4055 | |
f8bacc21 | 4056 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4057 | params.plink_state = |
f8bacc21 JB |
4058 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4059 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4060 | return -EINVAL; | |
4061 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4062 | } | |
9c3990aa | 4063 | |
3b1c5a53 MP |
4064 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4065 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4066 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4067 | ||
4068 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4069 | pm > NL80211_MESH_POWER_MAX) | |
4070 | return -EINVAL; | |
4071 | ||
4072 | params.local_pm = pm; | |
4073 | } | |
4074 | ||
77ee7c89 JB |
4075 | /* Include parameters for TDLS peer (will check later) */ |
4076 | err = nl80211_set_station_tdls(info, ¶ms); | |
4077 | if (err) | |
4078 | return err; | |
4079 | ||
4080 | params.vlan = get_vlan(info, rdev); | |
4081 | if (IS_ERR(params.vlan)) | |
4082 | return PTR_ERR(params.vlan); | |
4083 | ||
a97f4424 JB |
4084 | switch (dev->ieee80211_ptr->iftype) { |
4085 | case NL80211_IFTYPE_AP: | |
4086 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4087 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4088 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4089 | case NL80211_IFTYPE_STATION: |
267335d6 | 4090 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4091 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4092 | break; |
4093 | default: | |
77ee7c89 JB |
4094 | err = -EOPNOTSUPP; |
4095 | goto out_put_vlan; | |
034d655e JB |
4096 | } |
4097 | ||
77ee7c89 | 4098 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4099 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4100 | |
77ee7c89 | 4101 | out_put_vlan: |
5727ef1b JB |
4102 | if (params.vlan) |
4103 | dev_put(params.vlan); | |
3b85875a | 4104 | |
5727ef1b JB |
4105 | return err; |
4106 | } | |
4107 | ||
4108 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4109 | { | |
4c476991 | 4110 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4111 | int err; |
4c476991 | 4112 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4113 | struct station_parameters params; |
4114 | u8 *mac_addr = NULL; | |
4115 | ||
4116 | memset(¶ms, 0, sizeof(params)); | |
4117 | ||
984c311b JB |
4118 | if (!rdev->ops->add_station) |
4119 | return -EOPNOTSUPP; | |
4120 | ||
5727ef1b JB |
4121 | if (!info->attrs[NL80211_ATTR_MAC]) |
4122 | return -EINVAL; | |
4123 | ||
5727ef1b JB |
4124 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4125 | return -EINVAL; | |
4126 | ||
4127 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4128 | return -EINVAL; | |
4129 | ||
5e4b6f56 JM |
4130 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4131 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4132 | return -EINVAL; |
4133 | ||
5727ef1b JB |
4134 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4135 | params.supported_rates = | |
4136 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4137 | params.supported_rates_len = | |
4138 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4139 | params.listen_interval = | |
4140 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4141 | |
3d124ea2 | 4142 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4143 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4144 | else |
4145 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4146 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4147 | return -EINVAL; | |
51b50fbe | 4148 | |
9d62a986 JM |
4149 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4150 | params.capability = | |
4151 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4152 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4153 | } | |
4154 | ||
4155 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4156 | params.ext_capab = | |
4157 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4158 | params.ext_capab_len = | |
4159 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4160 | } | |
4161 | ||
36aedc90 JM |
4162 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4163 | params.ht_capa = | |
4164 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4165 | |
f461be3e MP |
4166 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4167 | params.vht_capa = | |
4168 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4169 | ||
60f4a7b1 MK |
4170 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4171 | params.opmode_notif_used = true; | |
4172 | params.opmode_notif = | |
4173 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4174 | } | |
4175 | ||
f8bacc21 | 4176 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4177 | params.plink_action = |
f8bacc21 JB |
4178 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4179 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4180 | return -EINVAL; | |
4181 | } | |
96b78dff | 4182 | |
c01fc9ad SD |
4183 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4184 | if (err) | |
4185 | return err; | |
4186 | ||
ff276691 JB |
4187 | err = nl80211_parse_sta_wme(info, ¶ms); |
4188 | if (err) | |
4189 | return err; | |
bdd90d5e | 4190 | |
bdd3ae3d | 4191 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4192 | return -EINVAL; |
4193 | ||
77ee7c89 JB |
4194 | /* When you run into this, adjust the code below for the new flag */ |
4195 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4196 | ||
bdd90d5e JB |
4197 | switch (dev->ieee80211_ptr->iftype) { |
4198 | case NL80211_IFTYPE_AP: | |
4199 | case NL80211_IFTYPE_AP_VLAN: | |
4200 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4201 | /* ignore WME attributes if iface/sta is not capable */ |
4202 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4203 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4204 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4205 | |
bdd90d5e | 4206 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4207 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4208 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4209 | return -EINVAL; |
bdd90d5e JB |
4210 | /* but don't bother the driver with it */ |
4211 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4212 | |
d582cffb JB |
4213 | /* allow authenticated/associated only if driver handles it */ |
4214 | if (!(rdev->wiphy.features & | |
4215 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4216 | params.sta_flags_mask & | |
4217 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4218 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4219 | return -EINVAL; | |
4220 | ||
bdd90d5e JB |
4221 | /* must be last in here for error handling */ |
4222 | params.vlan = get_vlan(info, rdev); | |
4223 | if (IS_ERR(params.vlan)) | |
4224 | return PTR_ERR(params.vlan); | |
4225 | break; | |
4226 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4227 | /* ignore uAPSD data */ |
4228 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4229 | ||
d582cffb JB |
4230 | /* associated is disallowed */ |
4231 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4232 | return -EINVAL; | |
bdd90d5e | 4233 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4234 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4235 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4236 | return -EINVAL; |
4237 | break; | |
4238 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4239 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4240 | /* ignore uAPSD data */ |
4241 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4242 | ||
77ee7c89 JB |
4243 | /* these are disallowed */ |
4244 | if (params.sta_flags_mask & | |
4245 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4246 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4247 | return -EINVAL; |
bdd90d5e JB |
4248 | /* Only TDLS peers can be added */ |
4249 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4250 | return -EINVAL; | |
4251 | /* Can only add if TDLS ... */ | |
4252 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4253 | return -EOPNOTSUPP; | |
4254 | /* ... with external setup is supported */ | |
4255 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4256 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4257 | /* |
4258 | * Older wpa_supplicant versions always mark the TDLS peer | |
4259 | * as authorized, but it shouldn't yet be. | |
4260 | */ | |
4261 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4262 | break; |
4263 | default: | |
4264 | return -EOPNOTSUPP; | |
c75786c9 EP |
4265 | } |
4266 | ||
bdd90d5e | 4267 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4268 | |
e35e4d28 | 4269 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4270 | |
5727ef1b JB |
4271 | if (params.vlan) |
4272 | dev_put(params.vlan); | |
5727ef1b JB |
4273 | return err; |
4274 | } | |
4275 | ||
4276 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4277 | { | |
4c476991 JB |
4278 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4279 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
4280 | u8 *mac_addr = NULL; |
4281 | ||
4282 | if (info->attrs[NL80211_ATTR_MAC]) | |
4283 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4284 | ||
e80cf853 | 4285 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4286 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4287 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4288 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4289 | return -EINVAL; | |
5727ef1b | 4290 | |
4c476991 JB |
4291 | if (!rdev->ops->del_station) |
4292 | return -EOPNOTSUPP; | |
3b85875a | 4293 | |
e35e4d28 | 4294 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
4295 | } |
4296 | ||
15e47304 | 4297 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4298 | int flags, struct net_device *dev, |
4299 | u8 *dst, u8 *next_hop, | |
4300 | struct mpath_info *pinfo) | |
4301 | { | |
4302 | void *hdr; | |
4303 | struct nlattr *pinfoattr; | |
4304 | ||
15e47304 | 4305 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
4306 | if (!hdr) |
4307 | return -1; | |
4308 | ||
9360ffd1 DM |
4309 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4310 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4311 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4312 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4313 | goto nla_put_failure; | |
f5ea9120 | 4314 | |
2ec600d6 LCC |
4315 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4316 | if (!pinfoattr) | |
4317 | goto nla_put_failure; | |
9360ffd1 DM |
4318 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4319 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4320 | pinfo->frame_qlen)) | |
4321 | goto nla_put_failure; | |
4322 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4323 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4324 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4325 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4326 | pinfo->metric)) || | |
4327 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4328 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4329 | pinfo->exptime)) || | |
4330 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4331 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4332 | pinfo->flags)) || | |
4333 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4334 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4335 | pinfo->discovery_timeout)) || | |
4336 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4337 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4338 | pinfo->discovery_retries))) | |
4339 | goto nla_put_failure; | |
2ec600d6 LCC |
4340 | |
4341 | nla_nest_end(msg, pinfoattr); | |
4342 | ||
4343 | return genlmsg_end(msg, hdr); | |
4344 | ||
4345 | nla_put_failure: | |
bc3ed28c TG |
4346 | genlmsg_cancel(msg, hdr); |
4347 | return -EMSGSIZE; | |
2ec600d6 LCC |
4348 | } |
4349 | ||
4350 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4351 | struct netlink_callback *cb) |
2ec600d6 | 4352 | { |
2ec600d6 LCC |
4353 | struct mpath_info pinfo; |
4354 | struct cfg80211_registered_device *dev; | |
97990a06 | 4355 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4356 | u8 dst[ETH_ALEN]; |
4357 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4358 | int path_idx = cb->args[2]; |
2ec600d6 | 4359 | int err; |
2ec600d6 | 4360 | |
97990a06 | 4361 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
4362 | if (err) |
4363 | return err; | |
bba95fef JB |
4364 | |
4365 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 4366 | err = -EOPNOTSUPP; |
bba95fef JB |
4367 | goto out_err; |
4368 | } | |
4369 | ||
97990a06 | 4370 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4371 | err = -EOPNOTSUPP; |
0448b5fc | 4372 | goto out_err; |
eec60b03 JM |
4373 | } |
4374 | ||
bba95fef | 4375 | while (1) { |
97990a06 JB |
4376 | err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst, |
4377 | next_hop, &pinfo); | |
bba95fef | 4378 | if (err == -ENOENT) |
2ec600d6 | 4379 | break; |
bba95fef | 4380 | if (err) |
3b85875a | 4381 | goto out_err; |
2ec600d6 | 4382 | |
15e47304 | 4383 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4384 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4385 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4386 | &pinfo) < 0) |
4387 | goto out; | |
2ec600d6 | 4388 | |
bba95fef | 4389 | path_idx++; |
2ec600d6 | 4390 | } |
2ec600d6 | 4391 | |
2ec600d6 | 4392 | |
bba95fef | 4393 | out: |
97990a06 | 4394 | cb->args[2] = path_idx; |
bba95fef | 4395 | err = skb->len; |
bba95fef | 4396 | out_err: |
97990a06 | 4397 | nl80211_finish_wdev_dump(dev); |
bba95fef | 4398 | return err; |
2ec600d6 LCC |
4399 | } |
4400 | ||
4401 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4402 | { | |
4c476991 | 4403 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4404 | int err; |
4c476991 | 4405 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4406 | struct mpath_info pinfo; |
4407 | struct sk_buff *msg; | |
4408 | u8 *dst = NULL; | |
4409 | u8 next_hop[ETH_ALEN]; | |
4410 | ||
4411 | memset(&pinfo, 0, sizeof(pinfo)); | |
4412 | ||
4413 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4414 | return -EINVAL; | |
4415 | ||
4416 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4417 | ||
4c476991 JB |
4418 | if (!rdev->ops->get_mpath) |
4419 | return -EOPNOTSUPP; | |
2ec600d6 | 4420 | |
4c476991 JB |
4421 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4422 | return -EOPNOTSUPP; | |
eec60b03 | 4423 | |
e35e4d28 | 4424 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4425 | if (err) |
4c476991 | 4426 | return err; |
2ec600d6 | 4427 | |
fd2120ca | 4428 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4429 | if (!msg) |
4c476991 | 4430 | return -ENOMEM; |
2ec600d6 | 4431 | |
15e47304 | 4432 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4433 | dev, dst, next_hop, &pinfo) < 0) { |
4434 | nlmsg_free(msg); | |
4435 | return -ENOBUFS; | |
4436 | } | |
3b85875a | 4437 | |
4c476991 | 4438 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4439 | } |
4440 | ||
4441 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4442 | { | |
4c476991 JB |
4443 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4444 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4445 | u8 *dst = NULL; |
4446 | u8 *next_hop = NULL; | |
4447 | ||
4448 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4449 | return -EINVAL; | |
4450 | ||
4451 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4452 | return -EINVAL; | |
4453 | ||
4454 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4455 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4456 | ||
4c476991 JB |
4457 | if (!rdev->ops->change_mpath) |
4458 | return -EOPNOTSUPP; | |
35a8efe1 | 4459 | |
4c476991 JB |
4460 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4461 | return -EOPNOTSUPP; | |
2ec600d6 | 4462 | |
e35e4d28 | 4463 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4464 | } |
4c476991 | 4465 | |
2ec600d6 LCC |
4466 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4467 | { | |
4c476991 JB |
4468 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4469 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4470 | u8 *dst = NULL; |
4471 | u8 *next_hop = NULL; | |
4472 | ||
4473 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4474 | return -EINVAL; | |
4475 | ||
4476 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4477 | return -EINVAL; | |
4478 | ||
4479 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4480 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4481 | ||
4c476991 JB |
4482 | if (!rdev->ops->add_mpath) |
4483 | return -EOPNOTSUPP; | |
35a8efe1 | 4484 | |
4c476991 JB |
4485 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4486 | return -EOPNOTSUPP; | |
2ec600d6 | 4487 | |
e35e4d28 | 4488 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4489 | } |
4490 | ||
4491 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4492 | { | |
4c476991 JB |
4493 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4494 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4495 | u8 *dst = NULL; |
4496 | ||
4497 | if (info->attrs[NL80211_ATTR_MAC]) | |
4498 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4499 | ||
4c476991 JB |
4500 | if (!rdev->ops->del_mpath) |
4501 | return -EOPNOTSUPP; | |
3b85875a | 4502 | |
e35e4d28 | 4503 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4504 | } |
4505 | ||
9f1ba906 JM |
4506 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4507 | { | |
4c476991 JB |
4508 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4509 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 4510 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 4511 | struct bss_parameters params; |
c56589ed | 4512 | int err; |
9f1ba906 JM |
4513 | |
4514 | memset(¶ms, 0, sizeof(params)); | |
4515 | /* default to not changing parameters */ | |
4516 | params.use_cts_prot = -1; | |
4517 | params.use_short_preamble = -1; | |
4518 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4519 | params.ap_isolate = -1; |
50b12f59 | 4520 | params.ht_opmode = -1; |
53cabad7 JB |
4521 | params.p2p_ctwindow = -1; |
4522 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4523 | |
4524 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4525 | params.use_cts_prot = | |
4526 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4527 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4528 | params.use_short_preamble = | |
4529 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4530 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4531 | params.use_short_slot_time = | |
4532 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4533 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4534 | params.basic_rates = | |
4535 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4536 | params.basic_rates_len = | |
4537 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4538 | } | |
fd8aaaf3 FF |
4539 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4540 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4541 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4542 | params.ht_opmode = | |
4543 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4544 | |
53cabad7 JB |
4545 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4546 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4547 | return -EINVAL; | |
4548 | params.p2p_ctwindow = | |
4549 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4550 | if (params.p2p_ctwindow < 0) | |
4551 | return -EINVAL; | |
4552 | if (params.p2p_ctwindow != 0 && | |
4553 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4554 | return -EINVAL; | |
4555 | } | |
4556 | ||
4557 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4558 | u8 tmp; | |
4559 | ||
4560 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4561 | return -EINVAL; | |
4562 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4563 | if (tmp > 1) | |
4564 | return -EINVAL; | |
4565 | params.p2p_opp_ps = tmp; | |
4566 | if (params.p2p_opp_ps && | |
4567 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4568 | return -EINVAL; | |
4569 | } | |
4570 | ||
4c476991 JB |
4571 | if (!rdev->ops->change_bss) |
4572 | return -EOPNOTSUPP; | |
9f1ba906 | 4573 | |
074ac8df | 4574 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4575 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4576 | return -EOPNOTSUPP; | |
3b85875a | 4577 | |
c56589ed SW |
4578 | wdev_lock(wdev); |
4579 | err = rdev_change_bss(rdev, dev, ¶ms); | |
4580 | wdev_unlock(wdev); | |
4581 | ||
4582 | return err; | |
9f1ba906 JM |
4583 | } |
4584 | ||
b54452b0 | 4585 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4586 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4587 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4588 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4589 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4590 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4591 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
4592 | }; | |
4593 | ||
4594 | static int parse_reg_rule(struct nlattr *tb[], | |
4595 | struct ieee80211_reg_rule *reg_rule) | |
4596 | { | |
4597 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4598 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4599 | ||
4600 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4601 | return -EINVAL; | |
4602 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4603 | return -EINVAL; | |
4604 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4605 | return -EINVAL; | |
4606 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
4607 | return -EINVAL; | |
4608 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
4609 | return -EINVAL; | |
4610 | ||
4611 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4612 | ||
4613 | freq_range->start_freq_khz = | |
4614 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4615 | freq_range->end_freq_khz = | |
4616 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
4617 | freq_range->max_bandwidth_khz = | |
4618 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
4619 | ||
4620 | power_rule->max_eirp = | |
4621 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4622 | ||
4623 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4624 | power_rule->max_antenna_gain = | |
4625 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4626 | ||
4627 | return 0; | |
4628 | } | |
4629 | ||
4630 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4631 | { | |
4632 | int r; | |
4633 | char *data = NULL; | |
57b5ce07 | 4634 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4635 | |
80778f18 LR |
4636 | /* |
4637 | * You should only get this when cfg80211 hasn't yet initialized | |
4638 | * completely when built-in to the kernel right between the time | |
4639 | * window between nl80211_init() and regulatory_init(), if that is | |
4640 | * even possible. | |
4641 | */ | |
458f4f9e | 4642 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4643 | return -EINPROGRESS; |
80778f18 | 4644 | |
fe33eb39 LR |
4645 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4646 | return -EINVAL; | |
b2e1b302 LR |
4647 | |
4648 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4649 | ||
57b5ce07 LR |
4650 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4651 | user_reg_hint_type = | |
4652 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4653 | else | |
4654 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4655 | ||
4656 | switch (user_reg_hint_type) { | |
4657 | case NL80211_USER_REG_HINT_USER: | |
4658 | case NL80211_USER_REG_HINT_CELL_BASE: | |
4659 | break; | |
4660 | default: | |
4661 | return -EINVAL; | |
4662 | } | |
4663 | ||
4664 | r = regulatory_hint_user(data, user_reg_hint_type); | |
fe33eb39 | 4665 | |
b2e1b302 LR |
4666 | return r; |
4667 | } | |
4668 | ||
24bdd9f4 | 4669 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4670 | struct genl_info *info) |
93da9cc1 | 4671 | { |
4c476991 | 4672 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4673 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4674 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4675 | struct mesh_config cur_params; | |
4676 | int err = 0; | |
93da9cc1 | 4677 | void *hdr; |
4678 | struct nlattr *pinfoattr; | |
4679 | struct sk_buff *msg; | |
4680 | ||
29cbe68c JB |
4681 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4682 | return -EOPNOTSUPP; | |
4683 | ||
24bdd9f4 | 4684 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4685 | return -EOPNOTSUPP; |
f3f92586 | 4686 | |
29cbe68c JB |
4687 | wdev_lock(wdev); |
4688 | /* If not connected, get default parameters */ | |
4689 | if (!wdev->mesh_id_len) | |
4690 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4691 | else | |
e35e4d28 | 4692 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4693 | wdev_unlock(wdev); |
4694 | ||
93da9cc1 | 4695 | if (err) |
4c476991 | 4696 | return err; |
93da9cc1 | 4697 | |
4698 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4699 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4700 | if (!msg) |
4701 | return -ENOMEM; | |
15e47304 | 4702 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4703 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4704 | if (!hdr) |
efe1cf0c | 4705 | goto out; |
24bdd9f4 | 4706 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4707 | if (!pinfoattr) |
4708 | goto nla_put_failure; | |
9360ffd1 DM |
4709 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4710 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4711 | cur_params.dot11MeshRetryTimeout) || | |
4712 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4713 | cur_params.dot11MeshConfirmTimeout) || | |
4714 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4715 | cur_params.dot11MeshHoldingTimeout) || | |
4716 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4717 | cur_params.dot11MeshMaxPeerLinks) || | |
4718 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4719 | cur_params.dot11MeshMaxRetries) || | |
4720 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4721 | cur_params.dot11MeshTTL) || | |
4722 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4723 | cur_params.element_ttl) || | |
4724 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4725 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4726 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4727 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4728 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4729 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4730 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4731 | cur_params.path_refresh_time) || | |
4732 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4733 | cur_params.min_discovery_timeout) || | |
4734 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4735 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4736 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4737 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4738 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4739 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4740 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4741 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4742 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4743 | cur_params.dot11MeshHWMPRootMode) || | |
4744 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4745 | cur_params.dot11MeshHWMPRannInterval) || | |
4746 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4747 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4748 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4749 | cur_params.dot11MeshForwarding) || | |
4750 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4751 | cur_params.rssi_threshold) || |
4752 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4753 | cur_params.ht_opmode) || |
4754 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4755 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4756 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4757 | cur_params.dot11MeshHWMProotInterval) || |
4758 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4759 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4760 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4761 | cur_params.power_mode) || | |
4762 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
4763 | cur_params.dot11MeshAwakeWindowDuration) || |
4764 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4765 | cur_params.plink_timeout)) | |
9360ffd1 | 4766 | goto nla_put_failure; |
93da9cc1 | 4767 | nla_nest_end(msg, pinfoattr); |
4768 | genlmsg_end(msg, hdr); | |
4c476991 | 4769 | return genlmsg_reply(msg, info); |
93da9cc1 | 4770 | |
3b85875a | 4771 | nla_put_failure: |
93da9cc1 | 4772 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4773 | out: |
d080e275 | 4774 | nlmsg_free(msg); |
4c476991 | 4775 | return -ENOBUFS; |
93da9cc1 | 4776 | } |
4777 | ||
b54452b0 | 4778 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4779 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4780 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4781 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4782 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4783 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4784 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4785 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4786 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4787 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4788 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4789 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4790 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4791 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4792 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4793 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4794 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4795 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4796 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4797 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4798 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4799 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4800 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4801 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4802 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4803 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4804 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4805 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 4806 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 4807 | }; |
4808 | ||
c80d545d JC |
4809 | static const struct nla_policy |
4810 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4811 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4812 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4813 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4814 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 4815 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 4816 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 4817 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4818 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4819 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4820 | }; |
4821 | ||
24bdd9f4 | 4822 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4823 | struct mesh_config *cfg, |
4824 | u32 *mask_out) | |
93da9cc1 | 4825 | { |
93da9cc1 | 4826 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4827 | u32 mask = 0; |
93da9cc1 | 4828 | |
ea54fba2 MP |
4829 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4830 | do { \ | |
4831 | if (tb[attr]) { \ | |
4832 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4833 | return -EINVAL; \ | |
4834 | cfg->param = fn(tb[attr]); \ | |
4835 | mask |= (1 << (attr - 1)); \ | |
4836 | } \ | |
4837 | } while (0) | |
bd90fdcc JB |
4838 | |
4839 | ||
24bdd9f4 | 4840 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4841 | return -EINVAL; |
4842 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4843 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4844 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4845 | return -EINVAL; |
4846 | ||
93da9cc1 | 4847 | /* This makes sure that there aren't more than 32 mesh config |
4848 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4849 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4850 | ||
4851 | /* Fill in the params struct */ | |
ea54fba2 | 4852 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4853 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4854 | nla_get_u16); | |
ea54fba2 | 4855 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4856 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4857 | nla_get_u16); | |
ea54fba2 | 4858 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4859 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4860 | nla_get_u16); | |
ea54fba2 | 4861 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4862 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4863 | nla_get_u16); | |
ea54fba2 | 4864 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4865 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4866 | nla_get_u8); | |
ea54fba2 | 4867 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4868 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4869 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4870 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4871 | nla_get_u8); | |
ea54fba2 | 4872 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4873 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4874 | nla_get_u8); | |
ea54fba2 MP |
4875 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4876 | 1, 255, mask, | |
a4f606ea CYY |
4877 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4878 | nla_get_u32); | |
ea54fba2 | 4879 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4880 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4881 | nla_get_u8); | |
ea54fba2 | 4882 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4883 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4884 | nla_get_u32); | |
ea54fba2 | 4885 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4886 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4887 | nla_get_u16); | |
ea54fba2 MP |
4888 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4889 | 1, 65535, mask, | |
a4f606ea CYY |
4890 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4891 | nla_get_u32); | |
93da9cc1 | 4892 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4893 | 1, 65535, mask, |
4894 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4895 | nla_get_u16); |
dca7e943 | 4896 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4897 | 1, 65535, mask, |
4898 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4899 | nla_get_u16); |
93da9cc1 | 4900 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4901 | dot11MeshHWMPnetDiameterTraversalTime, |
4902 | 1, 65535, mask, | |
a4f606ea CYY |
4903 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
4904 | nla_get_u16); | |
ea54fba2 MP |
4905 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
4906 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4907 | nla_get_u8); | |
4908 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
4909 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 4910 | nla_get_u16); |
63c5723b | 4911 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4912 | dot11MeshGateAnnouncementProtocol, 0, 1, |
4913 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 4914 | nla_get_u8); |
ea54fba2 | 4915 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
4916 | mask, NL80211_MESHCONF_FORWARDING, |
4917 | nla_get_u8); | |
83374fe9 | 4918 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 4919 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 4920 | nla_get_s32); |
ea54fba2 | 4921 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 4922 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
4923 | nla_get_u16); |
4924 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 4925 | 1, 65535, mask, |
ac1073a6 CYY |
4926 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
4927 | nla_get_u32); | |
ea54fba2 | 4928 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 4929 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
4930 | nla_get_u16); |
4931 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
4932 | dot11MeshHWMPconfirmationInterval, |
4933 | 1, 65535, mask, | |
728b19e5 | 4934 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 4935 | nla_get_u16); |
3b1c5a53 MP |
4936 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
4937 | NL80211_MESH_POWER_ACTIVE, | |
4938 | NL80211_MESH_POWER_MAX, | |
4939 | mask, NL80211_MESHCONF_POWER_MODE, | |
4940 | nla_get_u32); | |
4941 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
4942 | 0, 65535, mask, | |
4943 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
4944 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
4945 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4946 | nla_get_u32); | |
bd90fdcc JB |
4947 | if (mask_out) |
4948 | *mask_out = mask; | |
c80d545d | 4949 | |
bd90fdcc JB |
4950 | return 0; |
4951 | ||
4952 | #undef FILL_IN_MESH_PARAM_IF_SET | |
4953 | } | |
4954 | ||
c80d545d JC |
4955 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
4956 | struct mesh_setup *setup) | |
4957 | { | |
bb2798d4 | 4958 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
4959 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
4960 | ||
4961 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
4962 | return -EINVAL; | |
4963 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
4964 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
4965 | nl80211_mesh_setup_params_policy)) | |
4966 | return -EINVAL; | |
4967 | ||
d299a1f2 JC |
4968 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
4969 | setup->sync_method = | |
4970 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
4971 | IEEE80211_SYNC_METHOD_VENDOR : | |
4972 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
4973 | ||
c80d545d JC |
4974 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
4975 | setup->path_sel_proto = | |
4976 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
4977 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
4978 | IEEE80211_PATH_PROTOCOL_HWMP; | |
4979 | ||
4980 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
4981 | setup->path_metric = | |
4982 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
4983 | IEEE80211_PATH_METRIC_VENDOR : | |
4984 | IEEE80211_PATH_METRIC_AIRTIME; | |
4985 | ||
581a8b0f JC |
4986 | |
4987 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 4988 | struct nlattr *ieattr = |
581a8b0f | 4989 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
4990 | if (!is_valid_ie_attr(ieattr)) |
4991 | return -EINVAL; | |
581a8b0f JC |
4992 | setup->ie = nla_data(ieattr); |
4993 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 4994 | } |
bb2798d4 TP |
4995 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
4996 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
4997 | return -EINVAL; | |
4998 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
4999 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5000 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5001 | if (setup->is_secure) |
5002 | setup->user_mpm = true; | |
c80d545d | 5003 | |
6e16d90b CT |
5004 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5005 | if (!setup->user_mpm) | |
5006 | return -EINVAL; | |
5007 | setup->auth_id = | |
5008 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5009 | } | |
5010 | ||
c80d545d JC |
5011 | return 0; |
5012 | } | |
5013 | ||
24bdd9f4 | 5014 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5015 | struct genl_info *info) |
bd90fdcc JB |
5016 | { |
5017 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5018 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5019 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5020 | struct mesh_config cfg; |
5021 | u32 mask; | |
5022 | int err; | |
5023 | ||
29cbe68c JB |
5024 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5025 | return -EOPNOTSUPP; | |
5026 | ||
24bdd9f4 | 5027 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5028 | return -EOPNOTSUPP; |
5029 | ||
24bdd9f4 | 5030 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5031 | if (err) |
5032 | return err; | |
5033 | ||
29cbe68c JB |
5034 | wdev_lock(wdev); |
5035 | if (!wdev->mesh_id_len) | |
5036 | err = -ENOLINK; | |
5037 | ||
5038 | if (!err) | |
e35e4d28 | 5039 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5040 | |
5041 | wdev_unlock(wdev); | |
5042 | ||
5043 | return err; | |
93da9cc1 | 5044 | } |
5045 | ||
f130347c LR |
5046 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
5047 | { | |
458f4f9e | 5048 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
5049 | struct sk_buff *msg; |
5050 | void *hdr = NULL; | |
5051 | struct nlattr *nl_reg_rules; | |
5052 | unsigned int i; | |
f130347c LR |
5053 | |
5054 | if (!cfg80211_regdomain) | |
5fe231e8 | 5055 | return -EINVAL; |
f130347c | 5056 | |
fd2120ca | 5057 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
5fe231e8 JB |
5058 | if (!msg) |
5059 | return -ENOBUFS; | |
f130347c | 5060 | |
15e47304 | 5061 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
5062 | NL80211_CMD_GET_REG); |
5063 | if (!hdr) | |
efe1cf0c | 5064 | goto put_failure; |
f130347c | 5065 | |
57b5ce07 LR |
5066 | if (reg_last_request_cell_base() && |
5067 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5068 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5069 | goto nla_put_failure; | |
5070 | ||
458f4f9e JB |
5071 | rcu_read_lock(); |
5072 | regdom = rcu_dereference(cfg80211_regdomain); | |
5073 | ||
5074 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
5075 | (regdom->dfs_region && | |
5076 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
5077 | goto nla_put_failure_rcu; | |
5078 | ||
f130347c LR |
5079 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5080 | if (!nl_reg_rules) | |
458f4f9e | 5081 | goto nla_put_failure_rcu; |
f130347c | 5082 | |
458f4f9e | 5083 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5084 | struct nlattr *nl_reg_rule; |
5085 | const struct ieee80211_reg_rule *reg_rule; | |
5086 | const struct ieee80211_freq_range *freq_range; | |
5087 | const struct ieee80211_power_rule *power_rule; | |
5088 | ||
458f4f9e | 5089 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5090 | freq_range = ®_rule->freq_range; |
5091 | power_rule = ®_rule->power_rule; | |
5092 | ||
5093 | nl_reg_rule = nla_nest_start(msg, i); | |
5094 | if (!nl_reg_rule) | |
458f4f9e | 5095 | goto nla_put_failure_rcu; |
f130347c | 5096 | |
9360ffd1 DM |
5097 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5098 | reg_rule->flags) || | |
5099 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5100 | freq_range->start_freq_khz) || | |
5101 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5102 | freq_range->end_freq_khz) || | |
5103 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
5104 | freq_range->max_bandwidth_khz) || | |
5105 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
5106 | power_rule->max_antenna_gain) || | |
5107 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
5108 | power_rule->max_eirp)) | |
458f4f9e | 5109 | goto nla_put_failure_rcu; |
f130347c LR |
5110 | |
5111 | nla_nest_end(msg, nl_reg_rule); | |
5112 | } | |
458f4f9e | 5113 | rcu_read_unlock(); |
f130347c LR |
5114 | |
5115 | nla_nest_end(msg, nl_reg_rules); | |
5116 | ||
5117 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5118 | return genlmsg_reply(msg, info); |
f130347c | 5119 | |
458f4f9e JB |
5120 | nla_put_failure_rcu: |
5121 | rcu_read_unlock(); | |
f130347c LR |
5122 | nla_put_failure: |
5123 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5124 | put_failure: |
d080e275 | 5125 | nlmsg_free(msg); |
5fe231e8 | 5126 | return -EMSGSIZE; |
f130347c LR |
5127 | } |
5128 | ||
b2e1b302 LR |
5129 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5130 | { | |
5131 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5132 | struct nlattr *nl_reg_rule; | |
5133 | char *alpha2 = NULL; | |
5134 | int rem_reg_rules = 0, r = 0; | |
5135 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
4c7d3982 | 5136 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
b2e1b302 LR |
5137 | struct ieee80211_regdomain *rd = NULL; |
5138 | ||
5139 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5140 | return -EINVAL; | |
5141 | ||
5142 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5143 | return -EINVAL; | |
5144 | ||
5145 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5146 | ||
8b60b078 LR |
5147 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5148 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5149 | ||
b2e1b302 | 5150 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5151 | rem_reg_rules) { |
b2e1b302 LR |
5152 | num_rules++; |
5153 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5154 | return -EINVAL; |
b2e1b302 LR |
5155 | } |
5156 | ||
e438768f LR |
5157 | if (!reg_is_valid_request(alpha2)) |
5158 | return -EINVAL; | |
5159 | ||
b2e1b302 | 5160 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5161 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5162 | |
5163 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5164 | if (!rd) |
5165 | return -ENOMEM; | |
b2e1b302 LR |
5166 | |
5167 | rd->n_reg_rules = num_rules; | |
5168 | rd->alpha2[0] = alpha2[0]; | |
5169 | rd->alpha2[1] = alpha2[1]; | |
5170 | ||
8b60b078 LR |
5171 | /* |
5172 | * Disable DFS master mode if the DFS region was | |
5173 | * not supported or known on this kernel. | |
5174 | */ | |
5175 | if (reg_supported_dfs_region(dfs_region)) | |
5176 | rd->dfs_region = dfs_region; | |
5177 | ||
b2e1b302 | 5178 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5179 | rem_reg_rules) { |
b2e1b302 | 5180 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
1a919318 JB |
5181 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), |
5182 | reg_rule_policy); | |
b2e1b302 LR |
5183 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5184 | if (r) | |
5185 | goto bad_reg; | |
5186 | ||
5187 | rule_idx++; | |
5188 | ||
d0e18f83 LR |
5189 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5190 | r = -EINVAL; | |
b2e1b302 | 5191 | goto bad_reg; |
d0e18f83 | 5192 | } |
b2e1b302 LR |
5193 | } |
5194 | ||
b2e1b302 | 5195 | r = set_regdom(rd); |
6913b49a | 5196 | /* set_regdom took ownership */ |
1a919318 | 5197 | rd = NULL; |
b2e1b302 | 5198 | |
d2372b31 | 5199 | bad_reg: |
b2e1b302 | 5200 | kfree(rd); |
d0e18f83 | 5201 | return r; |
b2e1b302 LR |
5202 | } |
5203 | ||
83f5e2cf JB |
5204 | static int validate_scan_freqs(struct nlattr *freqs) |
5205 | { | |
5206 | struct nlattr *attr1, *attr2; | |
5207 | int n_channels = 0, tmp1, tmp2; | |
5208 | ||
5209 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5210 | n_channels++; | |
5211 | /* | |
5212 | * Some hardware has a limited channel list for | |
5213 | * scanning, and it is pretty much nonsensical | |
5214 | * to scan for a channel twice, so disallow that | |
5215 | * and don't require drivers to check that the | |
5216 | * channel list they get isn't longer than what | |
5217 | * they can scan, as long as they can scan all | |
5218 | * the channels they registered at once. | |
5219 | */ | |
5220 | nla_for_each_nested(attr2, freqs, tmp2) | |
5221 | if (attr1 != attr2 && | |
5222 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5223 | return 0; | |
5224 | } | |
5225 | ||
5226 | return n_channels; | |
5227 | } | |
5228 | ||
2a519311 JB |
5229 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5230 | { | |
4c476991 | 5231 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5232 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5233 | struct cfg80211_scan_request *request; |
2a519311 JB |
5234 | struct nlattr *attr; |
5235 | struct wiphy *wiphy; | |
83f5e2cf | 5236 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5237 | size_t ie_len; |
2a519311 | 5238 | |
f4a11bb0 JB |
5239 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5240 | return -EINVAL; | |
5241 | ||
79c97e97 | 5242 | wiphy = &rdev->wiphy; |
2a519311 | 5243 | |
4c476991 JB |
5244 | if (!rdev->ops->scan) |
5245 | return -EOPNOTSUPP; | |
2a519311 | 5246 | |
f9f47529 JB |
5247 | if (rdev->scan_req) { |
5248 | err = -EBUSY; | |
5249 | goto unlock; | |
5250 | } | |
2a519311 JB |
5251 | |
5252 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5253 | n_channels = validate_scan_freqs( |
5254 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5255 | if (!n_channels) { |
5256 | err = -EINVAL; | |
5257 | goto unlock; | |
5258 | } | |
2a519311 | 5259 | } else { |
bdfbec2d | 5260 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
5261 | } |
5262 | ||
5263 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5264 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5265 | n_ssids++; | |
5266 | ||
f9f47529 JB |
5267 | if (n_ssids > wiphy->max_scan_ssids) { |
5268 | err = -EINVAL; | |
5269 | goto unlock; | |
5270 | } | |
2a519311 | 5271 | |
70692ad2 JM |
5272 | if (info->attrs[NL80211_ATTR_IE]) |
5273 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5274 | else | |
5275 | ie_len = 0; | |
5276 | ||
f9f47529 JB |
5277 | if (ie_len > wiphy->max_scan_ie_len) { |
5278 | err = -EINVAL; | |
5279 | goto unlock; | |
5280 | } | |
18a83659 | 5281 | |
2a519311 | 5282 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5283 | + sizeof(*request->ssids) * n_ssids |
5284 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5285 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5286 | if (!request) { |
5287 | err = -ENOMEM; | |
5288 | goto unlock; | |
5289 | } | |
2a519311 | 5290 | |
2a519311 | 5291 | if (n_ssids) |
5ba63533 | 5292 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5293 | request->n_ssids = n_ssids; |
70692ad2 JM |
5294 | if (ie_len) { |
5295 | if (request->ssids) | |
5296 | request->ie = (void *)(request->ssids + n_ssids); | |
5297 | else | |
5298 | request->ie = (void *)(request->channels + n_channels); | |
5299 | } | |
2a519311 | 5300 | |
584991dc | 5301 | i = 0; |
2a519311 JB |
5302 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5303 | /* user specified, bail out if channel not found */ | |
2a519311 | 5304 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5305 | struct ieee80211_channel *chan; |
5306 | ||
5307 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5308 | ||
5309 | if (!chan) { | |
2a519311 JB |
5310 | err = -EINVAL; |
5311 | goto out_free; | |
5312 | } | |
584991dc JB |
5313 | |
5314 | /* ignore disabled channels */ | |
5315 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5316 | continue; | |
5317 | ||
5318 | request->channels[i] = chan; | |
2a519311 JB |
5319 | i++; |
5320 | } | |
5321 | } else { | |
34850ab2 JB |
5322 | enum ieee80211_band band; |
5323 | ||
2a519311 | 5324 | /* all channels */ |
2a519311 JB |
5325 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5326 | int j; | |
5327 | if (!wiphy->bands[band]) | |
5328 | continue; | |
5329 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5330 | struct ieee80211_channel *chan; |
5331 | ||
5332 | chan = &wiphy->bands[band]->channels[j]; | |
5333 | ||
5334 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5335 | continue; | |
5336 | ||
5337 | request->channels[i] = chan; | |
2a519311 JB |
5338 | i++; |
5339 | } | |
5340 | } | |
5341 | } | |
5342 | ||
584991dc JB |
5343 | if (!i) { |
5344 | err = -EINVAL; | |
5345 | goto out_free; | |
5346 | } | |
5347 | ||
5348 | request->n_channels = i; | |
5349 | ||
2a519311 JB |
5350 | i = 0; |
5351 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5352 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5353 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5354 | err = -EINVAL; |
5355 | goto out_free; | |
5356 | } | |
57a27e1d | 5357 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5358 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5359 | i++; |
5360 | } | |
5361 | } | |
5362 | ||
70692ad2 JM |
5363 | if (info->attrs[NL80211_ATTR_IE]) { |
5364 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5365 | memcpy((void *)request->ie, |
5366 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5367 | request->ie_len); |
5368 | } | |
5369 | ||
34850ab2 | 5370 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5371 | if (wiphy->bands[i]) |
5372 | request->rates[i] = | |
5373 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5374 | |
5375 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5376 | nla_for_each_nested(attr, | |
5377 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5378 | tmp) { | |
5379 | enum ieee80211_band band = nla_type(attr); | |
5380 | ||
84404623 | 5381 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5382 | err = -EINVAL; |
5383 | goto out_free; | |
5384 | } | |
1b09cd82 FF |
5385 | |
5386 | if (!wiphy->bands[band]) | |
5387 | continue; | |
5388 | ||
34850ab2 JB |
5389 | err = ieee80211_get_ratemask(wiphy->bands[band], |
5390 | nla_data(attr), | |
5391 | nla_len(attr), | |
5392 | &request->rates[band]); | |
5393 | if (err) | |
5394 | goto out_free; | |
5395 | } | |
5396 | } | |
5397 | ||
46856bbf | 5398 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5399 | request->flags = nla_get_u32( |
5400 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5401 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5402 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5403 | err = -EOPNOTSUPP; |
5404 | goto out_free; | |
5405 | } | |
5406 | } | |
ed473771 | 5407 | |
e9f935e3 RM |
5408 | request->no_cck = |
5409 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5410 | ||
fd014284 | 5411 | request->wdev = wdev; |
79c97e97 | 5412 | request->wiphy = &rdev->wiphy; |
15d6030b | 5413 | request->scan_start = jiffies; |
2a519311 | 5414 | |
79c97e97 | 5415 | rdev->scan_req = request; |
e35e4d28 | 5416 | err = rdev_scan(rdev, request); |
2a519311 | 5417 | |
463d0183 | 5418 | if (!err) { |
fd014284 JB |
5419 | nl80211_send_scan_start(rdev, wdev); |
5420 | if (wdev->netdev) | |
5421 | dev_hold(wdev->netdev); | |
4c476991 | 5422 | } else { |
2a519311 | 5423 | out_free: |
79c97e97 | 5424 | rdev->scan_req = NULL; |
2a519311 JB |
5425 | kfree(request); |
5426 | } | |
3b85875a | 5427 | |
f9f47529 | 5428 | unlock: |
2a519311 JB |
5429 | return err; |
5430 | } | |
5431 | ||
807f8a8c LC |
5432 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5433 | struct genl_info *info) | |
5434 | { | |
5435 | struct cfg80211_sched_scan_request *request; | |
5436 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5437 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5438 | struct nlattr *attr; |
5439 | struct wiphy *wiphy; | |
a1f1c21c | 5440 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5441 | u32 interval; |
807f8a8c LC |
5442 | enum ieee80211_band band; |
5443 | size_t ie_len; | |
a1f1c21c | 5444 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
5445 | |
5446 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5447 | !rdev->ops->sched_scan_start) | |
5448 | return -EOPNOTSUPP; | |
5449 | ||
5450 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5451 | return -EINVAL; | |
5452 | ||
bbe6ad6d LC |
5453 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5454 | return -EINVAL; | |
5455 | ||
5456 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5457 | if (interval == 0) | |
5458 | return -EINVAL; | |
5459 | ||
807f8a8c LC |
5460 | wiphy = &rdev->wiphy; |
5461 | ||
5462 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5463 | n_channels = validate_scan_freqs( | |
5464 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5465 | if (!n_channels) | |
5466 | return -EINVAL; | |
5467 | } else { | |
bdfbec2d | 5468 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
5469 | } |
5470 | ||
5471 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5472 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5473 | tmp) | |
5474 | n_ssids++; | |
5475 | ||
93b6aa69 | 5476 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5477 | return -EINVAL; |
5478 | ||
a1f1c21c LC |
5479 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
5480 | nla_for_each_nested(attr, | |
5481 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5482 | tmp) | |
5483 | n_match_sets++; | |
5484 | ||
5485 | if (n_match_sets > wiphy->max_match_sets) | |
5486 | return -EINVAL; | |
5487 | ||
807f8a8c LC |
5488 | if (info->attrs[NL80211_ATTR_IE]) |
5489 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5490 | else | |
5491 | ie_len = 0; | |
5492 | ||
5a865bad | 5493 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5494 | return -EINVAL; |
5495 | ||
c10841ca LC |
5496 | if (rdev->sched_scan_req) { |
5497 | err = -EINPROGRESS; | |
5498 | goto out; | |
5499 | } | |
5500 | ||
807f8a8c | 5501 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5502 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5503 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5504 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5505 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5506 | if (!request) { |
5507 | err = -ENOMEM; | |
5508 | goto out; | |
5509 | } | |
807f8a8c LC |
5510 | |
5511 | if (n_ssids) | |
5512 | request->ssids = (void *)&request->channels[n_channels]; | |
5513 | request->n_ssids = n_ssids; | |
5514 | if (ie_len) { | |
5515 | if (request->ssids) | |
5516 | request->ie = (void *)(request->ssids + n_ssids); | |
5517 | else | |
5518 | request->ie = (void *)(request->channels + n_channels); | |
5519 | } | |
5520 | ||
a1f1c21c LC |
5521 | if (n_match_sets) { |
5522 | if (request->ie) | |
5523 | request->match_sets = (void *)(request->ie + ie_len); | |
5524 | else if (request->ssids) | |
5525 | request->match_sets = | |
5526 | (void *)(request->ssids + n_ssids); | |
5527 | else | |
5528 | request->match_sets = | |
5529 | (void *)(request->channels + n_channels); | |
5530 | } | |
5531 | request->n_match_sets = n_match_sets; | |
5532 | ||
807f8a8c LC |
5533 | i = 0; |
5534 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5535 | /* user specified, bail out if channel not found */ | |
5536 | nla_for_each_nested(attr, | |
5537 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5538 | tmp) { | |
5539 | struct ieee80211_channel *chan; | |
5540 | ||
5541 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5542 | ||
5543 | if (!chan) { | |
5544 | err = -EINVAL; | |
5545 | goto out_free; | |
5546 | } | |
5547 | ||
5548 | /* ignore disabled channels */ | |
5549 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5550 | continue; | |
5551 | ||
5552 | request->channels[i] = chan; | |
5553 | i++; | |
5554 | } | |
5555 | } else { | |
5556 | /* all channels */ | |
5557 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5558 | int j; | |
5559 | if (!wiphy->bands[band]) | |
5560 | continue; | |
5561 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5562 | struct ieee80211_channel *chan; | |
5563 | ||
5564 | chan = &wiphy->bands[band]->channels[j]; | |
5565 | ||
5566 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5567 | continue; | |
5568 | ||
5569 | request->channels[i] = chan; | |
5570 | i++; | |
5571 | } | |
5572 | } | |
5573 | } | |
5574 | ||
5575 | if (!i) { | |
5576 | err = -EINVAL; | |
5577 | goto out_free; | |
5578 | } | |
5579 | ||
5580 | request->n_channels = i; | |
5581 | ||
5582 | i = 0; | |
5583 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5584 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5585 | tmp) { | |
57a27e1d | 5586 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5587 | err = -EINVAL; |
5588 | goto out_free; | |
5589 | } | |
57a27e1d | 5590 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5591 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5592 | nla_len(attr)); | |
807f8a8c LC |
5593 | i++; |
5594 | } | |
5595 | } | |
5596 | ||
a1f1c21c LC |
5597 | i = 0; |
5598 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5599 | nla_for_each_nested(attr, | |
5600 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5601 | tmp) { | |
88e920b4 | 5602 | struct nlattr *ssid, *rssi; |
a1f1c21c LC |
5603 | |
5604 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5605 | nla_data(attr), nla_len(attr), | |
5606 | nl80211_match_policy); | |
4a4ab0d7 | 5607 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c LC |
5608 | if (ssid) { |
5609 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
5610 | err = -EINVAL; | |
5611 | goto out_free; | |
5612 | } | |
5613 | memcpy(request->match_sets[i].ssid.ssid, | |
5614 | nla_data(ssid), nla_len(ssid)); | |
5615 | request->match_sets[i].ssid.ssid_len = | |
5616 | nla_len(ssid); | |
5617 | } | |
88e920b4 TP |
5618 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; |
5619 | if (rssi) | |
5620 | request->rssi_thold = nla_get_u32(rssi); | |
5621 | else | |
5622 | request->rssi_thold = | |
5623 | NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5624 | i++; |
5625 | } | |
5626 | } | |
5627 | ||
807f8a8c LC |
5628 | if (info->attrs[NL80211_ATTR_IE]) { |
5629 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5630 | memcpy((void *)request->ie, | |
5631 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5632 | request->ie_len); | |
5633 | } | |
5634 | ||
46856bbf | 5635 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5636 | request->flags = nla_get_u32( |
5637 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5638 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5639 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5640 | err = -EOPNOTSUPP; |
5641 | goto out_free; | |
5642 | } | |
5643 | } | |
ed473771 | 5644 | |
807f8a8c LC |
5645 | request->dev = dev; |
5646 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5647 | request->interval = interval; |
15d6030b | 5648 | request->scan_start = jiffies; |
807f8a8c | 5649 | |
e35e4d28 | 5650 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5651 | if (!err) { |
5652 | rdev->sched_scan_req = request; | |
5653 | nl80211_send_sched_scan(rdev, dev, | |
5654 | NL80211_CMD_START_SCHED_SCAN); | |
5655 | goto out; | |
5656 | } | |
5657 | ||
5658 | out_free: | |
5659 | kfree(request); | |
5660 | out: | |
5661 | return err; | |
5662 | } | |
5663 | ||
5664 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5665 | struct genl_info *info) | |
5666 | { | |
5667 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5668 | ||
5669 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5670 | !rdev->ops->sched_scan_stop) | |
5671 | return -EOPNOTSUPP; | |
5672 | ||
5fe231e8 | 5673 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
5674 | } |
5675 | ||
04f39047 SW |
5676 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5677 | struct genl_info *info) | |
5678 | { | |
5679 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5680 | struct net_device *dev = info->user_ptr[1]; | |
5681 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5682 | struct cfg80211_chan_def chandef; | |
55f7435c | 5683 | enum nl80211_dfs_regions dfs_region; |
04f39047 SW |
5684 | int err; |
5685 | ||
55f7435c LR |
5686 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
5687 | if (dfs_region == NL80211_DFS_UNSET) | |
5688 | return -EINVAL; | |
5689 | ||
04f39047 SW |
5690 | err = nl80211_parse_chandef(rdev, info, &chandef); |
5691 | if (err) | |
5692 | return err; | |
5693 | ||
ff311bc1 SW |
5694 | if (netif_carrier_ok(dev)) |
5695 | return -EBUSY; | |
5696 | ||
04f39047 SW |
5697 | if (wdev->cac_started) |
5698 | return -EBUSY; | |
5699 | ||
5700 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); | |
5701 | if (err < 0) | |
5702 | return err; | |
5703 | ||
5704 | if (err == 0) | |
5705 | return -EINVAL; | |
5706 | ||
fe7c3a1f | 5707 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
5708 | return -EINVAL; |
5709 | ||
5710 | if (!rdev->ops->start_radar_detection) | |
5711 | return -EOPNOTSUPP; | |
5712 | ||
04f39047 SW |
5713 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
5714 | chandef.chan, CHAN_MODE_SHARED, | |
5715 | BIT(chandef.width)); | |
5716 | if (err) | |
5fe231e8 | 5717 | return err; |
04f39047 SW |
5718 | |
5719 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); | |
5720 | if (!err) { | |
5721 | wdev->channel = chandef.chan; | |
5722 | wdev->cac_started = true; | |
5723 | wdev->cac_start_time = jiffies; | |
5724 | } | |
04f39047 SW |
5725 | return err; |
5726 | } | |
5727 | ||
16ef1fe2 SW |
5728 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
5729 | { | |
5730 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5731 | struct net_device *dev = info->user_ptr[1]; | |
5732 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5733 | struct cfg80211_csa_settings params; | |
5734 | /* csa_attrs is defined static to avoid waste of stack size - this | |
5735 | * function is called under RTNL lock, so this should not be a problem. | |
5736 | */ | |
5737 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
5738 | u8 radar_detect_width = 0; | |
5739 | int err; | |
ee4bc9e7 | 5740 | bool need_new_beacon = false; |
16ef1fe2 SW |
5741 | |
5742 | if (!rdev->ops->channel_switch || | |
5743 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
5744 | return -EOPNOTSUPP; | |
5745 | ||
ee4bc9e7 SW |
5746 | switch (dev->ieee80211_ptr->iftype) { |
5747 | case NL80211_IFTYPE_AP: | |
5748 | case NL80211_IFTYPE_P2P_GO: | |
5749 | need_new_beacon = true; | |
5750 | ||
5751 | /* useless if AP is not running */ | |
5752 | if (!wdev->beacon_interval) | |
5753 | return -EINVAL; | |
5754 | break; | |
5755 | case NL80211_IFTYPE_ADHOC: | |
c6da674a | 5756 | case NL80211_IFTYPE_MESH_POINT: |
ee4bc9e7 SW |
5757 | break; |
5758 | default: | |
16ef1fe2 | 5759 | return -EOPNOTSUPP; |
ee4bc9e7 | 5760 | } |
16ef1fe2 SW |
5761 | |
5762 | memset(¶ms, 0, sizeof(params)); | |
5763 | ||
5764 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5765 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
5766 | return -EINVAL; | |
5767 | ||
5768 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 5769 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
5770 | return -EINVAL; |
5771 | ||
5772 | params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
5773 | ||
ee4bc9e7 SW |
5774 | if (!need_new_beacon) |
5775 | goto skip_beacons; | |
5776 | ||
16ef1fe2 SW |
5777 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
5778 | if (err) | |
5779 | return err; | |
5780 | ||
5781 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
5782 | info->attrs[NL80211_ATTR_CSA_IES], | |
5783 | nl80211_policy); | |
5784 | if (err) | |
5785 | return err; | |
5786 | ||
5787 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
5788 | if (err) | |
5789 | return err; | |
5790 | ||
5791 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
5792 | return -EINVAL; | |
5793 | ||
5794 | params.counter_offset_beacon = | |
5795 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
5796 | if (params.counter_offset_beacon >= params.beacon_csa.tail_len) | |
5797 | return -EINVAL; | |
5798 | ||
5799 | /* sanity check - counters should be the same */ | |
5800 | if (params.beacon_csa.tail[params.counter_offset_beacon] != | |
5801 | params.count) | |
5802 | return -EINVAL; | |
5803 | ||
5804 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { | |
5805 | params.counter_offset_presp = | |
5806 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
5807 | if (params.counter_offset_presp >= | |
5808 | params.beacon_csa.probe_resp_len) | |
5809 | return -EINVAL; | |
5810 | ||
5811 | if (params.beacon_csa.probe_resp[params.counter_offset_presp] != | |
5812 | params.count) | |
5813 | return -EINVAL; | |
5814 | } | |
5815 | ||
ee4bc9e7 | 5816 | skip_beacons: |
16ef1fe2 SW |
5817 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
5818 | if (err) | |
5819 | return err; | |
5820 | ||
5821 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) | |
5822 | return -EINVAL; | |
5823 | ||
ee4bc9e7 | 5824 | if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP || |
5336fa88 SW |
5825 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO || |
5826 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC) { | |
ee4bc9e7 SW |
5827 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
5828 | ¶ms.chandef); | |
5829 | if (err < 0) { | |
5830 | return err; | |
5831 | } else if (err) { | |
5832 | radar_detect_width = BIT(params.chandef.width); | |
5833 | params.radar_required = true; | |
5834 | } | |
16ef1fe2 SW |
5835 | } |
5836 | ||
5837 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, | |
5838 | params.chandef.chan, | |
5839 | CHAN_MODE_SHARED, | |
5840 | radar_detect_width); | |
5841 | if (err) | |
5842 | return err; | |
5843 | ||
5844 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) | |
5845 | params.block_tx = true; | |
5846 | ||
c56589ed SW |
5847 | wdev_lock(wdev); |
5848 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
5849 | wdev_unlock(wdev); | |
5850 | ||
5851 | return err; | |
16ef1fe2 SW |
5852 | } |
5853 | ||
9720bb3a JB |
5854 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
5855 | u32 seq, int flags, | |
2a519311 | 5856 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
5857 | struct wireless_dev *wdev, |
5858 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 5859 | { |
48ab905d | 5860 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 5861 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
5862 | void *hdr; |
5863 | struct nlattr *bss; | |
8cef2c9d | 5864 | bool tsf = false; |
48ab905d JB |
5865 | |
5866 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 5867 | |
15e47304 | 5868 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
5869 | NL80211_CMD_NEW_SCAN_RESULTS); |
5870 | if (!hdr) | |
5871 | return -1; | |
5872 | ||
9720bb3a JB |
5873 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
5874 | ||
97990a06 JB |
5875 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
5876 | goto nla_put_failure; | |
5877 | if (wdev->netdev && | |
9360ffd1 DM |
5878 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
5879 | goto nla_put_failure; | |
97990a06 JB |
5880 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
5881 | goto nla_put_failure; | |
2a519311 JB |
5882 | |
5883 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
5884 | if (!bss) | |
5885 | goto nla_put_failure; | |
9360ffd1 | 5886 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 5887 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 5888 | goto nla_put_failure; |
9caf0364 JB |
5889 | |
5890 | rcu_read_lock(); | |
5891 | ies = rcu_dereference(res->ies); | |
8cef2c9d JB |
5892 | if (ies) { |
5893 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5894 | goto fail_unlock_rcu; | |
5895 | tsf = true; | |
5896 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
5897 | ies->len, ies->data)) | |
5898 | goto fail_unlock_rcu; | |
9caf0364 JB |
5899 | } |
5900 | ies = rcu_dereference(res->beacon_ies); | |
8cef2c9d JB |
5901 | if (ies) { |
5902 | if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5903 | goto fail_unlock_rcu; | |
5904 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
5905 | ies->len, ies->data)) | |
5906 | goto fail_unlock_rcu; | |
9caf0364 JB |
5907 | } |
5908 | rcu_read_unlock(); | |
5909 | ||
9360ffd1 DM |
5910 | if (res->beacon_interval && |
5911 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
5912 | goto nla_put_failure; | |
5913 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
5914 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 5915 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
5916 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
5917 | jiffies_to_msecs(jiffies - intbss->ts))) | |
5918 | goto nla_put_failure; | |
2a519311 | 5919 | |
77965c97 | 5920 | switch (rdev->wiphy.signal_type) { |
2a519311 | 5921 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
5922 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
5923 | goto nla_put_failure; | |
2a519311 JB |
5924 | break; |
5925 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
5926 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
5927 | goto nla_put_failure; | |
2a519311 JB |
5928 | break; |
5929 | default: | |
5930 | break; | |
5931 | } | |
5932 | ||
48ab905d | 5933 | switch (wdev->iftype) { |
074ac8df | 5934 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 5935 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
5936 | if (intbss == wdev->current_bss && |
5937 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5938 | NL80211_BSS_STATUS_ASSOCIATED)) | |
5939 | goto nla_put_failure; | |
48ab905d JB |
5940 | break; |
5941 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
5942 | if (intbss == wdev->current_bss && |
5943 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5944 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
5945 | goto nla_put_failure; | |
48ab905d JB |
5946 | break; |
5947 | default: | |
5948 | break; | |
5949 | } | |
5950 | ||
2a519311 JB |
5951 | nla_nest_end(msg, bss); |
5952 | ||
5953 | return genlmsg_end(msg, hdr); | |
5954 | ||
8cef2c9d JB |
5955 | fail_unlock_rcu: |
5956 | rcu_read_unlock(); | |
2a519311 JB |
5957 | nla_put_failure: |
5958 | genlmsg_cancel(msg, hdr); | |
5959 | return -EMSGSIZE; | |
5960 | } | |
5961 | ||
97990a06 | 5962 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 5963 | { |
48ab905d | 5964 | struct cfg80211_registered_device *rdev; |
2a519311 | 5965 | struct cfg80211_internal_bss *scan; |
48ab905d | 5966 | struct wireless_dev *wdev; |
97990a06 | 5967 | int start = cb->args[2], idx = 0; |
2a519311 JB |
5968 | int err; |
5969 | ||
97990a06 | 5970 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5971 | if (err) |
5972 | return err; | |
2a519311 | 5973 | |
48ab905d JB |
5974 | wdev_lock(wdev); |
5975 | spin_lock_bh(&rdev->bss_lock); | |
5976 | cfg80211_bss_expire(rdev); | |
5977 | ||
9720bb3a JB |
5978 | cb->seq = rdev->bss_generation; |
5979 | ||
48ab905d | 5980 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
5981 | if (++idx <= start) |
5982 | continue; | |
9720bb3a | 5983 | if (nl80211_send_bss(skb, cb, |
2a519311 | 5984 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 5985 | rdev, wdev, scan) < 0) { |
2a519311 | 5986 | idx--; |
67748893 | 5987 | break; |
2a519311 JB |
5988 | } |
5989 | } | |
5990 | ||
48ab905d JB |
5991 | spin_unlock_bh(&rdev->bss_lock); |
5992 | wdev_unlock(wdev); | |
2a519311 | 5993 | |
97990a06 JB |
5994 | cb->args[2] = idx; |
5995 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 5996 | |
67748893 | 5997 | return skb->len; |
2a519311 JB |
5998 | } |
5999 | ||
15e47304 | 6000 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
6001 | int flags, struct net_device *dev, |
6002 | struct survey_info *survey) | |
6003 | { | |
6004 | void *hdr; | |
6005 | struct nlattr *infoattr; | |
6006 | ||
15e47304 | 6007 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
6008 | NL80211_CMD_NEW_SURVEY_RESULTS); |
6009 | if (!hdr) | |
6010 | return -ENOMEM; | |
6011 | ||
9360ffd1 DM |
6012 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
6013 | goto nla_put_failure; | |
61fa713c HS |
6014 | |
6015 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
6016 | if (!infoattr) | |
6017 | goto nla_put_failure; | |
6018 | ||
9360ffd1 DM |
6019 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
6020 | survey->channel->center_freq)) | |
6021 | goto nla_put_failure; | |
6022 | ||
6023 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
6024 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
6025 | goto nla_put_failure; | |
6026 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
6027 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
6028 | goto nla_put_failure; | |
6029 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
6030 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
6031 | survey->channel_time)) | |
6032 | goto nla_put_failure; | |
6033 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
6034 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
6035 | survey->channel_time_busy)) | |
6036 | goto nla_put_failure; | |
6037 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
6038 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
6039 | survey->channel_time_ext_busy)) | |
6040 | goto nla_put_failure; | |
6041 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
6042 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
6043 | survey->channel_time_rx)) | |
6044 | goto nla_put_failure; | |
6045 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
6046 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
6047 | survey->channel_time_tx)) | |
6048 | goto nla_put_failure; | |
61fa713c HS |
6049 | |
6050 | nla_nest_end(msg, infoattr); | |
6051 | ||
6052 | return genlmsg_end(msg, hdr); | |
6053 | ||
6054 | nla_put_failure: | |
6055 | genlmsg_cancel(msg, hdr); | |
6056 | return -EMSGSIZE; | |
6057 | } | |
6058 | ||
6059 | static int nl80211_dump_survey(struct sk_buff *skb, | |
6060 | struct netlink_callback *cb) | |
6061 | { | |
6062 | struct survey_info survey; | |
6063 | struct cfg80211_registered_device *dev; | |
97990a06 JB |
6064 | struct wireless_dev *wdev; |
6065 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6066 | int res; |
6067 | ||
97990a06 | 6068 | res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
6069 | if (res) |
6070 | return res; | |
61fa713c | 6071 | |
97990a06 JB |
6072 | if (!wdev->netdev) { |
6073 | res = -EINVAL; | |
6074 | goto out_err; | |
6075 | } | |
6076 | ||
61fa713c HS |
6077 | if (!dev->ops->dump_survey) { |
6078 | res = -EOPNOTSUPP; | |
6079 | goto out_err; | |
6080 | } | |
6081 | ||
6082 | while (1) { | |
180cdc79 LR |
6083 | struct ieee80211_channel *chan; |
6084 | ||
97990a06 | 6085 | res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6086 | if (res == -ENOENT) |
6087 | break; | |
6088 | if (res) | |
6089 | goto out_err; | |
6090 | ||
180cdc79 LR |
6091 | /* Survey without a channel doesn't make sense */ |
6092 | if (!survey.channel) { | |
6093 | res = -EINVAL; | |
6094 | goto out; | |
6095 | } | |
6096 | ||
6097 | chan = ieee80211_get_channel(&dev->wiphy, | |
6098 | survey.channel->center_freq); | |
6099 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
6100 | survey_idx++; | |
6101 | continue; | |
6102 | } | |
6103 | ||
61fa713c | 6104 | if (nl80211_send_survey(skb, |
15e47304 | 6105 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6106 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6107 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6108 | goto out; |
6109 | survey_idx++; | |
6110 | } | |
6111 | ||
6112 | out: | |
97990a06 | 6113 | cb->args[2] = survey_idx; |
61fa713c HS |
6114 | res = skb->len; |
6115 | out_err: | |
97990a06 | 6116 | nl80211_finish_wdev_dump(dev); |
61fa713c HS |
6117 | return res; |
6118 | } | |
6119 | ||
b23aa676 SO |
6120 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6121 | { | |
6122 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6123 | NL80211_WPA_VERSION_2)); | |
6124 | } | |
6125 | ||
636a5d36 JM |
6126 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6127 | { | |
4c476991 JB |
6128 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6129 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6130 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6131 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6132 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6133 | enum nl80211_auth_type auth_type; |
fffd0934 | 6134 | struct key_parse key; |
d5cdfacb | 6135 | bool local_state_change; |
636a5d36 | 6136 | |
f4a11bb0 JB |
6137 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6138 | return -EINVAL; | |
6139 | ||
6140 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6141 | return -EINVAL; | |
6142 | ||
1778092e JM |
6143 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6144 | return -EINVAL; | |
6145 | ||
19957bb3 JB |
6146 | if (!info->attrs[NL80211_ATTR_SSID]) |
6147 | return -EINVAL; | |
6148 | ||
6149 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6150 | return -EINVAL; | |
6151 | ||
fffd0934 JB |
6152 | err = nl80211_parse_key(info, &key); |
6153 | if (err) | |
6154 | return err; | |
6155 | ||
6156 | if (key.idx >= 0) { | |
e31b8213 JB |
6157 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6158 | return -EINVAL; | |
fffd0934 JB |
6159 | if (!key.p.key || !key.p.key_len) |
6160 | return -EINVAL; | |
6161 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6162 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6163 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6164 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6165 | return -EINVAL; | |
6166 | if (key.idx > 4) | |
6167 | return -EINVAL; | |
6168 | } else { | |
6169 | key.p.key_len = 0; | |
6170 | key.p.key = NULL; | |
6171 | } | |
6172 | ||
afea0b7a JB |
6173 | if (key.idx >= 0) { |
6174 | int i; | |
6175 | bool ok = false; | |
6176 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6177 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6178 | ok = true; | |
6179 | break; | |
6180 | } | |
6181 | } | |
4c476991 JB |
6182 | if (!ok) |
6183 | return -EINVAL; | |
afea0b7a JB |
6184 | } |
6185 | ||
4c476991 JB |
6186 | if (!rdev->ops->auth) |
6187 | return -EOPNOTSUPP; | |
636a5d36 | 6188 | |
074ac8df | 6189 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6190 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6191 | return -EOPNOTSUPP; | |
eec60b03 | 6192 | |
19957bb3 | 6193 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 6194 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 6195 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
6196 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6197 | return -EINVAL; | |
636a5d36 | 6198 | |
19957bb3 JB |
6199 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6200 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6201 | |
6202 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6203 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6204 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6205 | } |
6206 | ||
19957bb3 | 6207 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6208 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6209 | return -EINVAL; |
636a5d36 | 6210 | |
e39e5b5e JM |
6211 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6212 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6213 | return -EINVAL; | |
6214 | ||
6215 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6216 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6217 | return -EINVAL; | |
6218 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6219 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6220 | /* need to include at least Auth Transaction and Status Code */ | |
6221 | if (sae_data_len < 4) | |
6222 | return -EINVAL; | |
6223 | } | |
6224 | ||
d5cdfacb JM |
6225 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6226 | ||
95de817b JB |
6227 | /* |
6228 | * Since we no longer track auth state, ignore | |
6229 | * requests to only change local state. | |
6230 | */ | |
6231 | if (local_state_change) | |
6232 | return 0; | |
6233 | ||
91bf9b26 JB |
6234 | wdev_lock(dev->ieee80211_ptr); |
6235 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6236 | ssid, ssid_len, ie, ie_len, | |
6237 | key.p.key, key.p.key_len, key.idx, | |
6238 | sae_data, sae_data_len); | |
6239 | wdev_unlock(dev->ieee80211_ptr); | |
6240 | return err; | |
636a5d36 JM |
6241 | } |
6242 | ||
c0692b8f JB |
6243 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6244 | struct genl_info *info, | |
3dc27d25 JB |
6245 | struct cfg80211_crypto_settings *settings, |
6246 | int cipher_limit) | |
b23aa676 | 6247 | { |
c0b2bbd8 JB |
6248 | memset(settings, 0, sizeof(*settings)); |
6249 | ||
b23aa676 SO |
6250 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6251 | ||
c0692b8f JB |
6252 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6253 | u16 proto; | |
6254 | proto = nla_get_u16( | |
6255 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6256 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6257 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6258 | proto != ETH_P_PAE) | |
6259 | return -EINVAL; | |
6260 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6261 | settings->control_port_no_encrypt = true; | |
6262 | } else | |
6263 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6264 | ||
b23aa676 SO |
6265 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6266 | void *data; | |
6267 | int len, i; | |
6268 | ||
6269 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6270 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6271 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6272 | ||
6273 | if (len % sizeof(u32)) | |
6274 | return -EINVAL; | |
6275 | ||
3dc27d25 | 6276 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6277 | return -EINVAL; |
6278 | ||
6279 | memcpy(settings->ciphers_pairwise, data, len); | |
6280 | ||
6281 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6282 | if (!cfg80211_supported_cipher_suite( |
6283 | &rdev->wiphy, | |
b23aa676 SO |
6284 | settings->ciphers_pairwise[i])) |
6285 | return -EINVAL; | |
6286 | } | |
6287 | ||
6288 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6289 | settings->cipher_group = | |
6290 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6291 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6292 | settings->cipher_group)) | |
b23aa676 SO |
6293 | return -EINVAL; |
6294 | } | |
6295 | ||
6296 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6297 | settings->wpa_versions = | |
6298 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6299 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6300 | return -EINVAL; | |
6301 | } | |
6302 | ||
6303 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6304 | void *data; | |
6d30240e | 6305 | int len; |
b23aa676 SO |
6306 | |
6307 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6308 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6309 | settings->n_akm_suites = len / sizeof(u32); | |
6310 | ||
6311 | if (len % sizeof(u32)) | |
6312 | return -EINVAL; | |
6313 | ||
1b9ca027 JM |
6314 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6315 | return -EINVAL; | |
6316 | ||
b23aa676 | 6317 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6318 | } |
6319 | ||
6320 | return 0; | |
6321 | } | |
6322 | ||
636a5d36 JM |
6323 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6324 | { | |
4c476991 JB |
6325 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6326 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6327 | struct ieee80211_channel *chan; |
f62fab73 JB |
6328 | struct cfg80211_assoc_request req = {}; |
6329 | const u8 *bssid, *ssid; | |
6330 | int err, ssid_len = 0; | |
636a5d36 | 6331 | |
f4a11bb0 JB |
6332 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6333 | return -EINVAL; | |
6334 | ||
6335 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6336 | !info->attrs[NL80211_ATTR_SSID] || |
6337 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6338 | return -EINVAL; |
6339 | ||
4c476991 JB |
6340 | if (!rdev->ops->assoc) |
6341 | return -EOPNOTSUPP; | |
636a5d36 | 6342 | |
074ac8df | 6343 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6344 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6345 | return -EOPNOTSUPP; | |
eec60b03 | 6346 | |
19957bb3 | 6347 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6348 | |
19957bb3 JB |
6349 | chan = ieee80211_get_channel(&rdev->wiphy, |
6350 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
6351 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6352 | return -EINVAL; | |
636a5d36 | 6353 | |
19957bb3 JB |
6354 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6355 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6356 | |
6357 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6358 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6359 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6360 | } |
6361 | ||
dc6382ce | 6362 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6363 | enum nl80211_mfp mfp = |
dc6382ce | 6364 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6365 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6366 | req.use_mfp = true; |
4c476991 JB |
6367 | else if (mfp != NL80211_MFP_NO) |
6368 | return -EINVAL; | |
dc6382ce JM |
6369 | } |
6370 | ||
3e5d7649 | 6371 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6372 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6373 | |
7e7c8926 | 6374 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6375 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6376 | |
6377 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6378 | memcpy(&req.ht_capa_mask, |
6379 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6380 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6381 | |
6382 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6383 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6384 | return -EINVAL; |
f62fab73 JB |
6385 | memcpy(&req.ht_capa, |
6386 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6387 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6388 | } |
6389 | ||
ee2aca34 | 6390 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6391 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6392 | |
6393 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6394 | memcpy(&req.vht_capa_mask, |
6395 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6396 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6397 | |
6398 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6399 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6400 | return -EINVAL; |
f62fab73 JB |
6401 | memcpy(&req.vht_capa, |
6402 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6403 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6404 | } |
6405 | ||
f62fab73 | 6406 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6407 | if (!err) { |
6408 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6409 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6410 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6411 | wdev_unlock(dev->ieee80211_ptr); |
6412 | } | |
636a5d36 | 6413 | |
636a5d36 JM |
6414 | return err; |
6415 | } | |
6416 | ||
6417 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6418 | { | |
4c476991 JB |
6419 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6420 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6421 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6422 | int ie_len = 0, err; |
19957bb3 | 6423 | u16 reason_code; |
d5cdfacb | 6424 | bool local_state_change; |
636a5d36 | 6425 | |
f4a11bb0 JB |
6426 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6427 | return -EINVAL; | |
6428 | ||
6429 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6430 | return -EINVAL; | |
6431 | ||
6432 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6433 | return -EINVAL; | |
6434 | ||
4c476991 JB |
6435 | if (!rdev->ops->deauth) |
6436 | return -EOPNOTSUPP; | |
636a5d36 | 6437 | |
074ac8df | 6438 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6439 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6440 | return -EOPNOTSUPP; | |
eec60b03 | 6441 | |
19957bb3 | 6442 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6443 | |
19957bb3 JB |
6444 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6445 | if (reason_code == 0) { | |
f4a11bb0 | 6446 | /* Reason Code 0 is reserved */ |
4c476991 | 6447 | return -EINVAL; |
255e737e | 6448 | } |
636a5d36 JM |
6449 | |
6450 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6451 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6452 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6453 | } |
6454 | ||
d5cdfacb JM |
6455 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6456 | ||
91bf9b26 JB |
6457 | wdev_lock(dev->ieee80211_ptr); |
6458 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6459 | local_state_change); | |
6460 | wdev_unlock(dev->ieee80211_ptr); | |
6461 | return err; | |
636a5d36 JM |
6462 | } |
6463 | ||
6464 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6465 | { | |
4c476991 JB |
6466 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6467 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6468 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6469 | int ie_len = 0, err; |
19957bb3 | 6470 | u16 reason_code; |
d5cdfacb | 6471 | bool local_state_change; |
636a5d36 | 6472 | |
f4a11bb0 JB |
6473 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6474 | return -EINVAL; | |
6475 | ||
6476 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6477 | return -EINVAL; | |
6478 | ||
6479 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6480 | return -EINVAL; | |
6481 | ||
4c476991 JB |
6482 | if (!rdev->ops->disassoc) |
6483 | return -EOPNOTSUPP; | |
636a5d36 | 6484 | |
074ac8df | 6485 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6486 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6487 | return -EOPNOTSUPP; | |
eec60b03 | 6488 | |
19957bb3 | 6489 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6490 | |
19957bb3 JB |
6491 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6492 | if (reason_code == 0) { | |
f4a11bb0 | 6493 | /* Reason Code 0 is reserved */ |
4c476991 | 6494 | return -EINVAL; |
255e737e | 6495 | } |
636a5d36 JM |
6496 | |
6497 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6498 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6499 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6500 | } |
6501 | ||
d5cdfacb JM |
6502 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6503 | ||
91bf9b26 JB |
6504 | wdev_lock(dev->ieee80211_ptr); |
6505 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6506 | local_state_change); | |
6507 | wdev_unlock(dev->ieee80211_ptr); | |
6508 | return err; | |
636a5d36 JM |
6509 | } |
6510 | ||
dd5b4cc7 FF |
6511 | static bool |
6512 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6513 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6514 | int rateval) | |
6515 | { | |
6516 | struct wiphy *wiphy = &rdev->wiphy; | |
6517 | bool found = false; | |
6518 | int band, i; | |
6519 | ||
6520 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6521 | struct ieee80211_supported_band *sband; | |
6522 | ||
6523 | sband = wiphy->bands[band]; | |
6524 | if (!sband) | |
6525 | continue; | |
6526 | ||
6527 | for (i = 0; i < sband->n_bitrates; i++) { | |
6528 | if (sband->bitrates[i].bitrate == rateval) { | |
6529 | mcast_rate[band] = i + 1; | |
6530 | found = true; | |
6531 | break; | |
6532 | } | |
6533 | } | |
6534 | } | |
6535 | ||
6536 | return found; | |
6537 | } | |
6538 | ||
04a773ad JB |
6539 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
6540 | { | |
4c476991 JB |
6541 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6542 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
6543 | struct cfg80211_ibss_params ibss; |
6544 | struct wiphy *wiphy; | |
fffd0934 | 6545 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6546 | int err; |
6547 | ||
8e30bc55 JB |
6548 | memset(&ibss, 0, sizeof(ibss)); |
6549 | ||
04a773ad JB |
6550 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6551 | return -EINVAL; | |
6552 | ||
683b6d3b | 6553 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6554 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6555 | return -EINVAL; | |
6556 | ||
8e30bc55 JB |
6557 | ibss.beacon_interval = 100; |
6558 | ||
6559 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6560 | ibss.beacon_interval = | |
6561 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6562 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6563 | return -EINVAL; | |
6564 | } | |
6565 | ||
4c476991 JB |
6566 | if (!rdev->ops->join_ibss) |
6567 | return -EOPNOTSUPP; | |
04a773ad | 6568 | |
4c476991 JB |
6569 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6570 | return -EOPNOTSUPP; | |
04a773ad | 6571 | |
79c97e97 | 6572 | wiphy = &rdev->wiphy; |
04a773ad | 6573 | |
39193498 | 6574 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6575 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6576 | |
6577 | if (!is_valid_ether_addr(ibss.bssid)) | |
6578 | return -EINVAL; | |
6579 | } | |
04a773ad JB |
6580 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6581 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6582 | ||
6583 | if (info->attrs[NL80211_ATTR_IE]) { | |
6584 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6585 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6586 | } | |
6587 | ||
683b6d3b JB |
6588 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6589 | if (err) | |
6590 | return err; | |
04a773ad | 6591 | |
683b6d3b | 6592 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) |
54858ee5 AS |
6593 | return -EINVAL; |
6594 | ||
2f301ab2 | 6595 | switch (ibss.chandef.width) { |
bf372645 SW |
6596 | case NL80211_CHAN_WIDTH_5: |
6597 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
6598 | case NL80211_CHAN_WIDTH_20_NOHT: |
6599 | break; | |
6600 | case NL80211_CHAN_WIDTH_20: | |
6601 | case NL80211_CHAN_WIDTH_40: | |
6602 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
6603 | break; | |
6604 | default: | |
c04d6150 | 6605 | return -EINVAL; |
2f301ab2 | 6606 | } |
db9c64cf | 6607 | |
04a773ad | 6608 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6609 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6610 | ||
fbd2c8dc TP |
6611 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6612 | u8 *rates = | |
6613 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6614 | int n_rates = | |
6615 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6616 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6617 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6618 | |
34850ab2 JB |
6619 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6620 | &ibss.basic_rates); | |
6621 | if (err) | |
6622 | return err; | |
fbd2c8dc | 6623 | } |
dd5b4cc7 | 6624 | |
803768f5 SW |
6625 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
6626 | memcpy(&ibss.ht_capa_mask, | |
6627 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6628 | sizeof(ibss.ht_capa_mask)); | |
6629 | ||
6630 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
6631 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6632 | return -EINVAL; | |
6633 | memcpy(&ibss.ht_capa, | |
6634 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6635 | sizeof(ibss.ht_capa)); | |
6636 | } | |
6637 | ||
dd5b4cc7 FF |
6638 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6639 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6640 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6641 | return -EINVAL; | |
fbd2c8dc | 6642 | |
4c476991 | 6643 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6644 | bool no_ht = false; |
6645 | ||
4c476991 | 6646 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6647 | info->attrs[NL80211_ATTR_KEYS], |
6648 | &no_ht); | |
4c476991 JB |
6649 | if (IS_ERR(connkeys)) |
6650 | return PTR_ERR(connkeys); | |
de7044ee | 6651 | |
3d9d1d66 JB |
6652 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6653 | no_ht) { | |
de7044ee SM |
6654 | kfree(connkeys); |
6655 | return -EINVAL; | |
6656 | } | |
4c476991 | 6657 | } |
04a773ad | 6658 | |
267335d6 AQ |
6659 | ibss.control_port = |
6660 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6661 | ||
5336fa88 SW |
6662 | ibss.userspace_handles_dfs = |
6663 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
6664 | ||
4c476991 | 6665 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
6666 | if (err) |
6667 | kfree(connkeys); | |
04a773ad JB |
6668 | return err; |
6669 | } | |
6670 | ||
6671 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6672 | { | |
4c476991 JB |
6673 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6674 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6675 | |
4c476991 JB |
6676 | if (!rdev->ops->leave_ibss) |
6677 | return -EOPNOTSUPP; | |
04a773ad | 6678 | |
4c476991 JB |
6679 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6680 | return -EOPNOTSUPP; | |
04a773ad | 6681 | |
4c476991 | 6682 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6683 | } |
6684 | ||
f4e583c8 AQ |
6685 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6686 | { | |
6687 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6688 | struct net_device *dev = info->user_ptr[1]; | |
6689 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6690 | u32 nla_rate; | |
6691 | int err; | |
6692 | ||
6693 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6694 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6695 | return -EOPNOTSUPP; | |
6696 | ||
6697 | if (!rdev->ops->set_mcast_rate) | |
6698 | return -EOPNOTSUPP; | |
6699 | ||
6700 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6701 | ||
6702 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6703 | return -EINVAL; | |
6704 | ||
6705 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6706 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6707 | return -EINVAL; | |
6708 | ||
6709 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6710 | ||
6711 | return err; | |
6712 | } | |
6713 | ||
ad7e718c JB |
6714 | static struct sk_buff * |
6715 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6716 | int approxlen, u32 portid, u32 seq, | |
6717 | enum nl80211_commands cmd, | |
567ffc35 JB |
6718 | enum nl80211_attrs attr, |
6719 | const struct nl80211_vendor_cmd_info *info, | |
6720 | gfp_t gfp) | |
ad7e718c JB |
6721 | { |
6722 | struct sk_buff *skb; | |
6723 | void *hdr; | |
6724 | struct nlattr *data; | |
6725 | ||
6726 | skb = nlmsg_new(approxlen + 100, gfp); | |
6727 | if (!skb) | |
6728 | return NULL; | |
6729 | ||
6730 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
6731 | if (!hdr) { | |
6732 | kfree_skb(skb); | |
6733 | return NULL; | |
6734 | } | |
6735 | ||
6736 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
6737 | goto nla_put_failure; | |
567ffc35 JB |
6738 | |
6739 | if (info) { | |
6740 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
6741 | info->vendor_id)) | |
6742 | goto nla_put_failure; | |
6743 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
6744 | info->subcmd)) | |
6745 | goto nla_put_failure; | |
6746 | } | |
6747 | ||
ad7e718c JB |
6748 | data = nla_nest_start(skb, attr); |
6749 | ||
6750 | ((void **)skb->cb)[0] = rdev; | |
6751 | ((void **)skb->cb)[1] = hdr; | |
6752 | ((void **)skb->cb)[2] = data; | |
6753 | ||
6754 | return skb; | |
6755 | ||
6756 | nla_put_failure: | |
6757 | kfree_skb(skb); | |
6758 | return NULL; | |
6759 | } | |
f4e583c8 | 6760 | |
e03ad6ea JB |
6761 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6762 | enum nl80211_commands cmd, | |
6763 | enum nl80211_attrs attr, | |
6764 | int vendor_event_idx, | |
6765 | int approxlen, gfp_t gfp) | |
6766 | { | |
6767 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6768 | const struct nl80211_vendor_cmd_info *info; | |
6769 | ||
6770 | switch (cmd) { | |
6771 | case NL80211_CMD_TESTMODE: | |
6772 | if (WARN_ON(vendor_event_idx != -1)) | |
6773 | return NULL; | |
6774 | info = NULL; | |
6775 | break; | |
6776 | case NL80211_CMD_VENDOR: | |
6777 | if (WARN_ON(vendor_event_idx < 0 || | |
6778 | vendor_event_idx >= wiphy->n_vendor_events)) | |
6779 | return NULL; | |
6780 | info = &wiphy->vendor_events[vendor_event_idx]; | |
6781 | break; | |
6782 | default: | |
6783 | WARN_ON(1); | |
6784 | return NULL; | |
6785 | } | |
6786 | ||
6787 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, | |
6788 | cmd, attr, info, gfp); | |
6789 | } | |
6790 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
6791 | ||
6792 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
6793 | { | |
6794 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
6795 | void *hdr = ((void **)skb->cb)[1]; | |
6796 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6797 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
6798 | ||
6799 | nla_nest_end(skb, data); | |
6800 | genlmsg_end(skb, hdr); | |
6801 | ||
6802 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
6803 | mcgrp = NL80211_MCGRP_VENDOR; | |
6804 | ||
6805 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
6806 | mcgrp, gfp); | |
6807 | } | |
6808 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
6809 | ||
aff89a9b | 6810 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
6811 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
6812 | { | |
4c476991 | 6813 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
6814 | struct wireless_dev *wdev = |
6815 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
6816 | int err; |
6817 | ||
fc73f11f DS |
6818 | if (!rdev->ops->testmode_cmd) |
6819 | return -EOPNOTSUPP; | |
6820 | ||
6821 | if (IS_ERR(wdev)) { | |
6822 | err = PTR_ERR(wdev); | |
6823 | if (err != -EINVAL) | |
6824 | return err; | |
6825 | wdev = NULL; | |
6826 | } else if (wdev->wiphy != &rdev->wiphy) { | |
6827 | return -EINVAL; | |
6828 | } | |
6829 | ||
aff89a9b JB |
6830 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
6831 | return -EINVAL; | |
6832 | ||
ad7e718c | 6833 | rdev->cur_cmd_info = info; |
fc73f11f | 6834 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
6835 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
6836 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 6837 | rdev->cur_cmd_info = NULL; |
aff89a9b | 6838 | |
aff89a9b JB |
6839 | return err; |
6840 | } | |
6841 | ||
71063f0e WYG |
6842 | static int nl80211_testmode_dump(struct sk_buff *skb, |
6843 | struct netlink_callback *cb) | |
6844 | { | |
00918d33 | 6845 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
6846 | int err; |
6847 | long phy_idx; | |
6848 | void *data = NULL; | |
6849 | int data_len = 0; | |
6850 | ||
5fe231e8 JB |
6851 | rtnl_lock(); |
6852 | ||
71063f0e WYG |
6853 | if (cb->args[0]) { |
6854 | /* | |
6855 | * 0 is a valid index, but not valid for args[0], | |
6856 | * so we need to offset by 1. | |
6857 | */ | |
6858 | phy_idx = cb->args[0] - 1; | |
6859 | } else { | |
6860 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
6861 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
6862 | nl80211_policy); | |
6863 | if (err) | |
5fe231e8 | 6864 | goto out_err; |
00918d33 | 6865 | |
2bd7e35d JB |
6866 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
6867 | nl80211_fam.attrbuf); | |
6868 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
6869 | err = PTR_ERR(rdev); |
6870 | goto out_err; | |
00918d33 | 6871 | } |
2bd7e35d JB |
6872 | phy_idx = rdev->wiphy_idx; |
6873 | rdev = NULL; | |
2bd7e35d | 6874 | |
71063f0e WYG |
6875 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
6876 | cb->args[1] = | |
6877 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
6878 | } | |
6879 | ||
6880 | if (cb->args[1]) { | |
6881 | data = nla_data((void *)cb->args[1]); | |
6882 | data_len = nla_len((void *)cb->args[1]); | |
6883 | } | |
6884 | ||
00918d33 JB |
6885 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
6886 | if (!rdev) { | |
5fe231e8 JB |
6887 | err = -ENOENT; |
6888 | goto out_err; | |
71063f0e | 6889 | } |
71063f0e | 6890 | |
00918d33 | 6891 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
6892 | err = -EOPNOTSUPP; |
6893 | goto out_err; | |
6894 | } | |
6895 | ||
6896 | while (1) { | |
15e47304 | 6897 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
6898 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
6899 | NL80211_CMD_TESTMODE); | |
6900 | struct nlattr *tmdata; | |
6901 | ||
cb35fba3 DC |
6902 | if (!hdr) |
6903 | break; | |
6904 | ||
9360ffd1 | 6905 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
6906 | genlmsg_cancel(skb, hdr); |
6907 | break; | |
6908 | } | |
6909 | ||
6910 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
6911 | if (!tmdata) { | |
6912 | genlmsg_cancel(skb, hdr); | |
6913 | break; | |
6914 | } | |
e35e4d28 | 6915 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
6916 | nla_nest_end(skb, tmdata); |
6917 | ||
6918 | if (err == -ENOBUFS || err == -ENOENT) { | |
6919 | genlmsg_cancel(skb, hdr); | |
6920 | break; | |
6921 | } else if (err) { | |
6922 | genlmsg_cancel(skb, hdr); | |
6923 | goto out_err; | |
6924 | } | |
6925 | ||
6926 | genlmsg_end(skb, hdr); | |
6927 | } | |
6928 | ||
6929 | err = skb->len; | |
6930 | /* see above */ | |
6931 | cb->args[0] = phy_idx + 1; | |
6932 | out_err: | |
5fe231e8 | 6933 | rtnl_unlock(); |
71063f0e WYG |
6934 | return err; |
6935 | } | |
aff89a9b JB |
6936 | #endif |
6937 | ||
b23aa676 SO |
6938 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
6939 | { | |
4c476991 JB |
6940 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6941 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
6942 | struct cfg80211_connect_params connect; |
6943 | struct wiphy *wiphy; | |
fffd0934 | 6944 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
6945 | int err; |
6946 | ||
6947 | memset(&connect, 0, sizeof(connect)); | |
6948 | ||
6949 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
6950 | return -EINVAL; | |
6951 | ||
6952 | if (!info->attrs[NL80211_ATTR_SSID] || | |
6953 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
6954 | return -EINVAL; | |
6955 | ||
6956 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
6957 | connect.auth_type = | |
6958 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
6959 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
6960 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
6961 | return -EINVAL; |
6962 | } else | |
6963 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
6964 | ||
6965 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
6966 | ||
c0692b8f | 6967 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 6968 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
6969 | if (err) |
6970 | return err; | |
b23aa676 | 6971 | |
074ac8df | 6972 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6973 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6974 | return -EOPNOTSUPP; | |
b23aa676 | 6975 | |
79c97e97 | 6976 | wiphy = &rdev->wiphy; |
b23aa676 | 6977 | |
4486ea98 BS |
6978 | connect.bg_scan_period = -1; |
6979 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
6980 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
6981 | connect.bg_scan_period = | |
6982 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
6983 | } | |
6984 | ||
b23aa676 SO |
6985 | if (info->attrs[NL80211_ATTR_MAC]) |
6986 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6987 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
6988 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6989 | ||
6990 | if (info->attrs[NL80211_ATTR_IE]) { | |
6991 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6992 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6993 | } | |
6994 | ||
cee00a95 JM |
6995 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
6996 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
6997 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
6998 | connect.mfp != NL80211_MFP_NO) | |
6999 | return -EINVAL; | |
7000 | } else { | |
7001 | connect.mfp = NL80211_MFP_NO; | |
7002 | } | |
7003 | ||
b23aa676 SO |
7004 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
7005 | connect.channel = | |
7006 | ieee80211_get_channel(wiphy, | |
7007 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
7008 | if (!connect.channel || | |
4c476991 JB |
7009 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
7010 | return -EINVAL; | |
b23aa676 SO |
7011 | } |
7012 | ||
fffd0934 JB |
7013 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
7014 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 7015 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
7016 | if (IS_ERR(connkeys)) |
7017 | return PTR_ERR(connkeys); | |
fffd0934 JB |
7018 | } |
7019 | ||
7e7c8926 BG |
7020 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
7021 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
7022 | ||
7023 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7024 | memcpy(&connect.ht_capa_mask, | |
7025 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7026 | sizeof(connect.ht_capa_mask)); | |
7027 | ||
7028 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
7029 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
7030 | kfree(connkeys); | |
7e7c8926 | 7031 | return -EINVAL; |
b4e4f47e | 7032 | } |
7e7c8926 BG |
7033 | memcpy(&connect.ht_capa, |
7034 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7035 | sizeof(connect.ht_capa)); | |
7036 | } | |
7037 | ||
ee2aca34 JB |
7038 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
7039 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
7040 | ||
7041 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
7042 | memcpy(&connect.vht_capa_mask, | |
7043 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7044 | sizeof(connect.vht_capa_mask)); | |
7045 | ||
7046 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7047 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
7048 | kfree(connkeys); | |
7049 | return -EINVAL; | |
7050 | } | |
7051 | memcpy(&connect.vht_capa, | |
7052 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7053 | sizeof(connect.vht_capa)); | |
7054 | } | |
7055 | ||
83739b03 JB |
7056 | wdev_lock(dev->ieee80211_ptr); |
7057 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7058 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 JB |
7059 | if (err) |
7060 | kfree(connkeys); | |
b23aa676 SO |
7061 | return err; |
7062 | } | |
7063 | ||
7064 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7065 | { | |
4c476991 JB |
7066 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7067 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7068 | u16 reason; |
83739b03 | 7069 | int ret; |
b23aa676 SO |
7070 | |
7071 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7072 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7073 | else | |
7074 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7075 | ||
7076 | if (reason == 0) | |
7077 | return -EINVAL; | |
7078 | ||
074ac8df | 7079 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7080 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7081 | return -EOPNOTSUPP; | |
b23aa676 | 7082 | |
83739b03 JB |
7083 | wdev_lock(dev->ieee80211_ptr); |
7084 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7085 | wdev_unlock(dev->ieee80211_ptr); | |
7086 | return ret; | |
b23aa676 SO |
7087 | } |
7088 | ||
463d0183 JB |
7089 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7090 | { | |
4c476991 | 7091 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7092 | struct net *net; |
7093 | int err; | |
7094 | u32 pid; | |
7095 | ||
7096 | if (!info->attrs[NL80211_ATTR_PID]) | |
7097 | return -EINVAL; | |
7098 | ||
7099 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7100 | ||
463d0183 | 7101 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7102 | if (IS_ERR(net)) |
7103 | return PTR_ERR(net); | |
463d0183 JB |
7104 | |
7105 | err = 0; | |
7106 | ||
7107 | /* check if anything to do */ | |
4c476991 JB |
7108 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7109 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7110 | |
463d0183 | 7111 | put_net(net); |
463d0183 JB |
7112 | return err; |
7113 | } | |
7114 | ||
67fbb16b SO |
7115 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7116 | { | |
4c476991 | 7117 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7118 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7119 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7120 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7121 | struct cfg80211_pmksa pmksa; |
7122 | ||
7123 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7124 | ||
7125 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7126 | return -EINVAL; | |
7127 | ||
7128 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7129 | return -EINVAL; | |
7130 | ||
67fbb16b SO |
7131 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7132 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7133 | ||
074ac8df | 7134 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7135 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7136 | return -EOPNOTSUPP; | |
67fbb16b SO |
7137 | |
7138 | switch (info->genlhdr->cmd) { | |
7139 | case NL80211_CMD_SET_PMKSA: | |
7140 | rdev_ops = rdev->ops->set_pmksa; | |
7141 | break; | |
7142 | case NL80211_CMD_DEL_PMKSA: | |
7143 | rdev_ops = rdev->ops->del_pmksa; | |
7144 | break; | |
7145 | default: | |
7146 | WARN_ON(1); | |
7147 | break; | |
7148 | } | |
7149 | ||
4c476991 JB |
7150 | if (!rdev_ops) |
7151 | return -EOPNOTSUPP; | |
67fbb16b | 7152 | |
4c476991 | 7153 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7154 | } |
7155 | ||
7156 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7157 | { | |
4c476991 JB |
7158 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7159 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7160 | |
074ac8df | 7161 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7162 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7163 | return -EOPNOTSUPP; | |
67fbb16b | 7164 | |
4c476991 JB |
7165 | if (!rdev->ops->flush_pmksa) |
7166 | return -EOPNOTSUPP; | |
67fbb16b | 7167 | |
e35e4d28 | 7168 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7169 | } |
7170 | ||
109086ce AN |
7171 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7172 | { | |
7173 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7174 | struct net_device *dev = info->user_ptr[1]; | |
7175 | u8 action_code, dialog_token; | |
7176 | u16 status_code; | |
7177 | u8 *peer; | |
7178 | ||
7179 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7180 | !rdev->ops->tdls_mgmt) | |
7181 | return -EOPNOTSUPP; | |
7182 | ||
7183 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7184 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7185 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7186 | !info->attrs[NL80211_ATTR_IE] || | |
7187 | !info->attrs[NL80211_ATTR_MAC]) | |
7188 | return -EINVAL; | |
7189 | ||
7190 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7191 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7192 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7193 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
7194 | ||
e35e4d28 HG |
7195 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
7196 | dialog_token, status_code, | |
7197 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
7198 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7199 | } |
7200 | ||
7201 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7202 | { | |
7203 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7204 | struct net_device *dev = info->user_ptr[1]; | |
7205 | enum nl80211_tdls_operation operation; | |
7206 | u8 *peer; | |
7207 | ||
7208 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7209 | !rdev->ops->tdls_oper) | |
7210 | return -EOPNOTSUPP; | |
7211 | ||
7212 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7213 | !info->attrs[NL80211_ATTR_MAC]) | |
7214 | return -EINVAL; | |
7215 | ||
7216 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7217 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7218 | ||
e35e4d28 | 7219 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7220 | } |
7221 | ||
9588bbd5 JM |
7222 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7223 | struct genl_info *info) | |
7224 | { | |
4c476991 | 7225 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7226 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7227 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7228 | struct sk_buff *msg; |
7229 | void *hdr; | |
7230 | u64 cookie; | |
683b6d3b | 7231 | u32 duration; |
9588bbd5 JM |
7232 | int err; |
7233 | ||
7234 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7235 | !info->attrs[NL80211_ATTR_DURATION]) | |
7236 | return -EINVAL; | |
7237 | ||
7238 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7239 | ||
ebf348fc JB |
7240 | if (!rdev->ops->remain_on_channel || |
7241 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7242 | return -EOPNOTSUPP; | |
7243 | ||
9588bbd5 | 7244 | /* |
ebf348fc JB |
7245 | * We should be on that channel for at least a minimum amount of |
7246 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7247 | */ |
ebf348fc | 7248 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7249 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7250 | return -EINVAL; |
7251 | ||
683b6d3b JB |
7252 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7253 | if (err) | |
7254 | return err; | |
9588bbd5 JM |
7255 | |
7256 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7257 | if (!msg) |
7258 | return -ENOMEM; | |
9588bbd5 | 7259 | |
15e47304 | 7260 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7261 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7262 | if (!hdr) { |
7263 | err = -ENOBUFS; | |
9588bbd5 JM |
7264 | goto free_msg; |
7265 | } | |
7266 | ||
683b6d3b JB |
7267 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7268 | duration, &cookie); | |
9588bbd5 JM |
7269 | |
7270 | if (err) | |
7271 | goto free_msg; | |
7272 | ||
9360ffd1 DM |
7273 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7274 | goto nla_put_failure; | |
9588bbd5 JM |
7275 | |
7276 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7277 | |
7278 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7279 | |
7280 | nla_put_failure: | |
7281 | err = -ENOBUFS; | |
7282 | free_msg: | |
7283 | nlmsg_free(msg); | |
9588bbd5 JM |
7284 | return err; |
7285 | } | |
7286 | ||
7287 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7288 | struct genl_info *info) | |
7289 | { | |
4c476991 | 7290 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7291 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7292 | u64 cookie; |
9588bbd5 JM |
7293 | |
7294 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7295 | return -EINVAL; | |
7296 | ||
4c476991 JB |
7297 | if (!rdev->ops->cancel_remain_on_channel) |
7298 | return -EOPNOTSUPP; | |
9588bbd5 | 7299 | |
9588bbd5 JM |
7300 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7301 | ||
e35e4d28 | 7302 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7303 | } |
7304 | ||
13ae75b1 JM |
7305 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7306 | u8 *rates, u8 rates_len) | |
7307 | { | |
7308 | u8 i; | |
7309 | u32 mask = 0; | |
7310 | ||
7311 | for (i = 0; i < rates_len; i++) { | |
7312 | int rate = (rates[i] & 0x7f) * 5; | |
7313 | int ridx; | |
7314 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7315 | struct ieee80211_rate *srate = | |
7316 | &sband->bitrates[ridx]; | |
7317 | if (rate == srate->bitrate) { | |
7318 | mask |= 1 << ridx; | |
7319 | break; | |
7320 | } | |
7321 | } | |
7322 | if (ridx == sband->n_bitrates) | |
7323 | return 0; /* rate not found */ | |
7324 | } | |
7325 | ||
7326 | return mask; | |
7327 | } | |
7328 | ||
24db78c0 SW |
7329 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7330 | u8 *rates, u8 rates_len, | |
7331 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7332 | { | |
7333 | u8 i; | |
7334 | ||
7335 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7336 | ||
7337 | for (i = 0; i < rates_len; i++) { | |
7338 | int ridx, rbit; | |
7339 | ||
7340 | ridx = rates[i] / 8; | |
7341 | rbit = BIT(rates[i] % 8); | |
7342 | ||
7343 | /* check validity */ | |
910570b5 | 7344 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7345 | return false; |
7346 | ||
7347 | /* check availability */ | |
7348 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7349 | mcs[ridx] |= rbit; | |
7350 | else | |
7351 | return false; | |
7352 | } | |
7353 | ||
7354 | return true; | |
7355 | } | |
7356 | ||
204e35a9 JD |
7357 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) |
7358 | { | |
7359 | u16 mcs_mask = 0; | |
7360 | ||
7361 | switch (vht_mcs_map) { | |
7362 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
7363 | break; | |
7364 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
7365 | mcs_mask = 0x00FF; | |
7366 | break; | |
7367 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
7368 | mcs_mask = 0x01FF; | |
7369 | break; | |
7370 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
7371 | mcs_mask = 0x03FF; | |
7372 | break; | |
7373 | default: | |
7374 | break; | |
7375 | } | |
7376 | ||
7377 | return mcs_mask; | |
7378 | } | |
7379 | ||
7380 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
7381 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
7382 | { | |
7383 | u8 nss; | |
7384 | ||
7385 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
7386 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
7387 | vht_mcs_map >>= 2; | |
7388 | } | |
7389 | } | |
7390 | ||
7391 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
7392 | struct nl80211_txrate_vht *txrate, | |
7393 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
7394 | { | |
7395 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7396 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
7397 | u8 i; | |
7398 | ||
7399 | if (!sband->vht_cap.vht_supported) | |
7400 | return false; | |
7401 | ||
7402 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
7403 | ||
7404 | /* Build vht_mcs_mask from VHT capabilities */ | |
7405 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
7406 | ||
7407 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
7408 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
7409 | mcs[i] = txrate->mcs[i]; | |
7410 | else | |
7411 | return false; | |
7412 | } | |
7413 | ||
7414 | return true; | |
7415 | } | |
7416 | ||
b54452b0 | 7417 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7418 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7419 | .len = NL80211_MAX_SUPP_RATES }, | |
d1e33e65 JD |
7420 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, |
7421 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
204e35a9 | 7422 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, |
13ae75b1 JM |
7423 | }; |
7424 | ||
7425 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7426 | struct genl_info *info) | |
7427 | { | |
7428 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7429 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7430 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7431 | int rem, i; |
7432 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7433 | struct nlattr *tx_rates; |
7434 | struct ieee80211_supported_band *sband; | |
204e35a9 | 7435 | u16 vht_tx_mcs_map; |
13ae75b1 | 7436 | |
4c476991 JB |
7437 | if (!rdev->ops->set_bitrate_mask) |
7438 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7439 | |
7440 | memset(&mask, 0, sizeof(mask)); | |
7441 | /* Default to all rates enabled */ | |
7442 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7443 | sband = rdev->wiphy.bands[i]; | |
7869303b JD |
7444 | |
7445 | if (!sband) | |
7446 | continue; | |
7447 | ||
7448 | mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | |
d1e33e65 | 7449 | memcpy(mask.control[i].ht_mcs, |
7869303b | 7450 | sband->ht_cap.mcs.rx_mask, |
d1e33e65 | 7451 | sizeof(mask.control[i].ht_mcs)); |
204e35a9 JD |
7452 | |
7453 | if (!sband->vht_cap.vht_supported) | |
7454 | continue; | |
7455 | ||
7456 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7457 | vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); | |
13ae75b1 JM |
7458 | } |
7459 | ||
b9243ab0 JD |
7460 | /* if no rates are given set it back to the defaults */ |
7461 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
7462 | goto out; | |
7463 | ||
13ae75b1 JM |
7464 | /* |
7465 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7466 | * directly to the enum ieee80211_band values used in cfg80211. | |
7467 | */ | |
24db78c0 | 7468 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
13ae75b1 JM |
7469 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
7470 | { | |
7471 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
7472 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7473 | return -EINVAL; | |
13ae75b1 | 7474 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7475 | if (sband == NULL) |
7476 | return -EINVAL; | |
13ae75b1 JM |
7477 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7478 | nla_len(tx_rates), nl80211_txattr_policy); | |
7479 | if (tb[NL80211_TXRATE_LEGACY]) { | |
7480 | mask.control[band].legacy = rateset_to_mask( | |
7481 | sband, | |
7482 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7483 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7484 | if ((mask.control[band].legacy == 0) && |
7485 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7486 | return -EINVAL; | |
24db78c0 | 7487 | } |
d1e33e65 | 7488 | if (tb[NL80211_TXRATE_HT]) { |
24db78c0 SW |
7489 | if (!ht_rateset_to_mask( |
7490 | sband, | |
d1e33e65 JD |
7491 | nla_data(tb[NL80211_TXRATE_HT]), |
7492 | nla_len(tb[NL80211_TXRATE_HT]), | |
7493 | mask.control[band].ht_mcs)) | |
24db78c0 SW |
7494 | return -EINVAL; |
7495 | } | |
204e35a9 JD |
7496 | if (tb[NL80211_TXRATE_VHT]) { |
7497 | if (!vht_set_mcs_mask( | |
7498 | sband, | |
7499 | nla_data(tb[NL80211_TXRATE_VHT]), | |
7500 | mask.control[band].vht_mcs)) | |
7501 | return -EINVAL; | |
7502 | } | |
24db78c0 SW |
7503 | |
7504 | if (mask.control[band].legacy == 0) { | |
204e35a9 JD |
7505 | /* don't allow empty legacy rates if HT or VHT |
7506 | * are not even supported. | |
7507 | */ | |
7508 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
7509 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
24db78c0 SW |
7510 | return -EINVAL; |
7511 | ||
7512 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
d1e33e65 | 7513 | if (mask.control[band].ht_mcs[i]) |
204e35a9 JD |
7514 | goto out; |
7515 | ||
7516 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
7517 | if (mask.control[band].vht_mcs[i]) | |
7518 | goto out; | |
24db78c0 SW |
7519 | |
7520 | /* legacy and mcs rates may not be both empty */ | |
204e35a9 | 7521 | return -EINVAL; |
13ae75b1 JM |
7522 | } |
7523 | } | |
7524 | ||
b9243ab0 | 7525 | out: |
e35e4d28 | 7526 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7527 | } |
7528 | ||
2e161f78 | 7529 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7530 | { |
4c476991 | 7531 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7532 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7533 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7534 | |
7535 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7536 | return -EINVAL; | |
7537 | ||
2e161f78 JB |
7538 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7539 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7540 | |
71bbc994 JB |
7541 | switch (wdev->iftype) { |
7542 | case NL80211_IFTYPE_STATION: | |
7543 | case NL80211_IFTYPE_ADHOC: | |
7544 | case NL80211_IFTYPE_P2P_CLIENT: | |
7545 | case NL80211_IFTYPE_AP: | |
7546 | case NL80211_IFTYPE_AP_VLAN: | |
7547 | case NL80211_IFTYPE_MESH_POINT: | |
7548 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7549 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7550 | break; |
7551 | default: | |
4c476991 | 7552 | return -EOPNOTSUPP; |
71bbc994 | 7553 | } |
026331c4 JM |
7554 | |
7555 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7556 | if (!rdev->ops->mgmt_tx) |
7557 | return -EOPNOTSUPP; | |
026331c4 | 7558 | |
15e47304 | 7559 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7560 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7561 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7562 | } |
7563 | ||
2e161f78 | 7564 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7565 | { |
4c476991 | 7566 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7567 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7568 | struct cfg80211_chan_def chandef; |
026331c4 | 7569 | int err; |
d64d373f | 7570 | void *hdr = NULL; |
026331c4 | 7571 | u64 cookie; |
e247bd90 | 7572 | struct sk_buff *msg = NULL; |
b176e629 AO |
7573 | struct cfg80211_mgmt_tx_params params = { |
7574 | .dont_wait_for_ack = | |
7575 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
7576 | }; | |
026331c4 | 7577 | |
683b6d3b | 7578 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7579 | return -EINVAL; |
7580 | ||
4c476991 JB |
7581 | if (!rdev->ops->mgmt_tx) |
7582 | return -EOPNOTSUPP; | |
026331c4 | 7583 | |
71bbc994 | 7584 | switch (wdev->iftype) { |
ea141b75 AQ |
7585 | case NL80211_IFTYPE_P2P_DEVICE: |
7586 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7587 | return -EINVAL; | |
71bbc994 JB |
7588 | case NL80211_IFTYPE_STATION: |
7589 | case NL80211_IFTYPE_ADHOC: | |
7590 | case NL80211_IFTYPE_P2P_CLIENT: | |
7591 | case NL80211_IFTYPE_AP: | |
7592 | case NL80211_IFTYPE_AP_VLAN: | |
7593 | case NL80211_IFTYPE_MESH_POINT: | |
7594 | case NL80211_IFTYPE_P2P_GO: | |
7595 | break; | |
7596 | default: | |
4c476991 | 7597 | return -EOPNOTSUPP; |
71bbc994 | 7598 | } |
026331c4 | 7599 | |
f7ca38df | 7600 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7601 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 7602 | return -EINVAL; |
b176e629 | 7603 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
7604 | |
7605 | /* | |
7606 | * We should wait on the channel for at least a minimum amount | |
7607 | * of time (10ms) but no longer than the driver supports. | |
7608 | */ | |
b176e629 AO |
7609 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
7610 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc JB |
7611 | return -EINVAL; |
7612 | ||
f7ca38df JB |
7613 | } |
7614 | ||
b176e629 | 7615 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 7616 | |
b176e629 | 7617 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
7618 | return -EINVAL; |
7619 | ||
b176e629 | 7620 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 7621 | |
ea141b75 AQ |
7622 | /* get the channel if any has been specified, otherwise pass NULL to |
7623 | * the driver. The latter will use the current one | |
7624 | */ | |
7625 | chandef.chan = NULL; | |
7626 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
7627 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
7628 | if (err) | |
7629 | return err; | |
7630 | } | |
7631 | ||
b176e629 | 7632 | if (!chandef.chan && params.offchan) |
ea141b75 | 7633 | return -EINVAL; |
026331c4 | 7634 | |
b176e629 | 7635 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
7636 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
7637 | if (!msg) | |
7638 | return -ENOMEM; | |
026331c4 | 7639 | |
15e47304 | 7640 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7641 | NL80211_CMD_FRAME); |
cb35fba3 DC |
7642 | if (!hdr) { |
7643 | err = -ENOBUFS; | |
e247bd90 JB |
7644 | goto free_msg; |
7645 | } | |
026331c4 | 7646 | } |
e247bd90 | 7647 | |
b176e629 AO |
7648 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
7649 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
7650 | params.chan = chandef.chan; | |
7651 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
7652 | if (err) |
7653 | goto free_msg; | |
7654 | ||
e247bd90 | 7655 | if (msg) { |
9360ffd1 DM |
7656 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7657 | goto nla_put_failure; | |
026331c4 | 7658 | |
e247bd90 JB |
7659 | genlmsg_end(msg, hdr); |
7660 | return genlmsg_reply(msg, info); | |
7661 | } | |
7662 | ||
7663 | return 0; | |
026331c4 JM |
7664 | |
7665 | nla_put_failure: | |
7666 | err = -ENOBUFS; | |
7667 | free_msg: | |
7668 | nlmsg_free(msg); | |
026331c4 JM |
7669 | return err; |
7670 | } | |
7671 | ||
f7ca38df JB |
7672 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7673 | { | |
7674 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7675 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7676 | u64 cookie; |
7677 | ||
7678 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7679 | return -EINVAL; | |
7680 | ||
7681 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7682 | return -EOPNOTSUPP; | |
7683 | ||
71bbc994 JB |
7684 | switch (wdev->iftype) { |
7685 | case NL80211_IFTYPE_STATION: | |
7686 | case NL80211_IFTYPE_ADHOC: | |
7687 | case NL80211_IFTYPE_P2P_CLIENT: | |
7688 | case NL80211_IFTYPE_AP: | |
7689 | case NL80211_IFTYPE_AP_VLAN: | |
7690 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7691 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7692 | break; |
7693 | default: | |
f7ca38df | 7694 | return -EOPNOTSUPP; |
71bbc994 | 7695 | } |
f7ca38df JB |
7696 | |
7697 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7698 | ||
e35e4d28 | 7699 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7700 | } |
7701 | ||
ffb9eb3d KV |
7702 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7703 | { | |
4c476991 | 7704 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7705 | struct wireless_dev *wdev; |
4c476991 | 7706 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7707 | u8 ps_state; |
7708 | bool state; | |
7709 | int err; | |
7710 | ||
4c476991 JB |
7711 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7712 | return -EINVAL; | |
ffb9eb3d KV |
7713 | |
7714 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7715 | ||
4c476991 JB |
7716 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7717 | return -EINVAL; | |
ffb9eb3d KV |
7718 | |
7719 | wdev = dev->ieee80211_ptr; | |
7720 | ||
4c476991 JB |
7721 | if (!rdev->ops->set_power_mgmt) |
7722 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7723 | |
7724 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7725 | ||
7726 | if (state == wdev->ps) | |
4c476991 | 7727 | return 0; |
ffb9eb3d | 7728 | |
e35e4d28 | 7729 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7730 | if (!err) |
7731 | wdev->ps = state; | |
ffb9eb3d KV |
7732 | return err; |
7733 | } | |
7734 | ||
7735 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7736 | { | |
4c476991 | 7737 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7738 | enum nl80211_ps_state ps_state; |
7739 | struct wireless_dev *wdev; | |
4c476991 | 7740 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7741 | struct sk_buff *msg; |
7742 | void *hdr; | |
7743 | int err; | |
7744 | ||
ffb9eb3d KV |
7745 | wdev = dev->ieee80211_ptr; |
7746 | ||
4c476991 JB |
7747 | if (!rdev->ops->set_power_mgmt) |
7748 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7749 | |
7750 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7751 | if (!msg) |
7752 | return -ENOMEM; | |
ffb9eb3d | 7753 | |
15e47304 | 7754 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
7755 | NL80211_CMD_GET_POWER_SAVE); |
7756 | if (!hdr) { | |
4c476991 | 7757 | err = -ENOBUFS; |
ffb9eb3d KV |
7758 | goto free_msg; |
7759 | } | |
7760 | ||
7761 | if (wdev->ps) | |
7762 | ps_state = NL80211_PS_ENABLED; | |
7763 | else | |
7764 | ps_state = NL80211_PS_DISABLED; | |
7765 | ||
9360ffd1 DM |
7766 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
7767 | goto nla_put_failure; | |
ffb9eb3d KV |
7768 | |
7769 | genlmsg_end(msg, hdr); | |
4c476991 | 7770 | return genlmsg_reply(msg, info); |
ffb9eb3d | 7771 | |
4c476991 | 7772 | nla_put_failure: |
ffb9eb3d | 7773 | err = -ENOBUFS; |
4c476991 | 7774 | free_msg: |
ffb9eb3d | 7775 | nlmsg_free(msg); |
ffb9eb3d KV |
7776 | return err; |
7777 | } | |
7778 | ||
d6dc1a38 JO |
7779 | static struct nla_policy |
7780 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
7781 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
7782 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
7783 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
7784 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
7785 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
7786 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
7787 | }; |
7788 | ||
84f10708 | 7789 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 7790 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
7791 | { |
7792 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 7793 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7794 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 7795 | |
d9d8b019 | 7796 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
7797 | return -EINVAL; |
7798 | ||
84f10708 TP |
7799 | if (!rdev->ops->set_cqm_txe_config) |
7800 | return -EOPNOTSUPP; | |
7801 | ||
7802 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
7803 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
7804 | return -EOPNOTSUPP; | |
7805 | ||
e35e4d28 | 7806 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
7807 | } |
7808 | ||
d6dc1a38 JO |
7809 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
7810 | s32 threshold, u32 hysteresis) | |
7811 | { | |
4c476991 | 7812 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 7813 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7814 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
7815 | |
7816 | if (threshold > 0) | |
7817 | return -EINVAL; | |
7818 | ||
1da5fcc8 JB |
7819 | /* disabling - hysteresis should also be zero then */ |
7820 | if (threshold == 0) | |
7821 | hysteresis = 0; | |
d6dc1a38 | 7822 | |
4c476991 JB |
7823 | if (!rdev->ops->set_cqm_rssi_config) |
7824 | return -EOPNOTSUPP; | |
d6dc1a38 | 7825 | |
074ac8df | 7826 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7827 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7828 | return -EOPNOTSUPP; | |
d6dc1a38 | 7829 | |
e35e4d28 | 7830 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
7831 | } |
7832 | ||
7833 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
7834 | { | |
7835 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
7836 | struct nlattr *cqm; | |
7837 | int err; | |
7838 | ||
7839 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
7840 | if (!cqm) |
7841 | return -EINVAL; | |
d6dc1a38 JO |
7842 | |
7843 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
7844 | nl80211_attr_cqm_policy); | |
7845 | if (err) | |
1da5fcc8 | 7846 | return err; |
d6dc1a38 JO |
7847 | |
7848 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
7849 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
7850 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
7851 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 7852 | |
1da5fcc8 JB |
7853 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
7854 | } | |
7855 | ||
7856 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
7857 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
7858 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
7859 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
7860 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
7861 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
7862 | ||
7863 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
7864 | } | |
7865 | ||
7866 | return -EINVAL; | |
d6dc1a38 JO |
7867 | } |
7868 | ||
29cbe68c JB |
7869 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
7870 | { | |
7871 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7872 | struct net_device *dev = info->user_ptr[1]; | |
7873 | struct mesh_config cfg; | |
c80d545d | 7874 | struct mesh_setup setup; |
29cbe68c JB |
7875 | int err; |
7876 | ||
7877 | /* start with default */ | |
7878 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 7879 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 7880 | |
24bdd9f4 | 7881 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 7882 | /* and parse parameters if given */ |
24bdd9f4 | 7883 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
7884 | if (err) |
7885 | return err; | |
7886 | } | |
7887 | ||
7888 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
7889 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
7890 | return -EINVAL; | |
7891 | ||
c80d545d JC |
7892 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
7893 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
7894 | ||
4bb62344 CYY |
7895 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7896 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
7897 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7898 | return -EINVAL; | |
7899 | ||
9bdbf04d MP |
7900 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
7901 | setup.beacon_interval = | |
7902 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7903 | if (setup.beacon_interval < 10 || | |
7904 | setup.beacon_interval > 10000) | |
7905 | return -EINVAL; | |
7906 | } | |
7907 | ||
7908 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
7909 | setup.dtim_period = | |
7910 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
7911 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
7912 | return -EINVAL; | |
7913 | } | |
7914 | ||
c80d545d JC |
7915 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
7916 | /* parse additional setup parameters if given */ | |
7917 | err = nl80211_parse_mesh_setup(info, &setup); | |
7918 | if (err) | |
7919 | return err; | |
7920 | } | |
7921 | ||
d37bb18a TP |
7922 | if (setup.user_mpm) |
7923 | cfg.auto_open_plinks = false; | |
7924 | ||
cc1d2806 | 7925 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
7926 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
7927 | if (err) | |
7928 | return err; | |
cc1d2806 JB |
7929 | } else { |
7930 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 7931 | setup.chandef.chan = NULL; |
cc1d2806 JB |
7932 | } |
7933 | ||
ffb3cf30 AN |
7934 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7935 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7936 | int n_rates = | |
7937 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7938 | struct ieee80211_supported_band *sband; | |
7939 | ||
7940 | if (!setup.chandef.chan) | |
7941 | return -EINVAL; | |
7942 | ||
7943 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
7944 | ||
7945 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
7946 | &setup.basic_rates); | |
7947 | if (err) | |
7948 | return err; | |
7949 | } | |
7950 | ||
c80d545d | 7951 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
7952 | } |
7953 | ||
7954 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
7955 | { | |
7956 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7957 | struct net_device *dev = info->user_ptr[1]; | |
7958 | ||
7959 | return cfg80211_leave_mesh(rdev, dev); | |
7960 | } | |
7961 | ||
dfb89c56 | 7962 | #ifdef CONFIG_PM |
bb92d199 AK |
7963 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
7964 | struct cfg80211_registered_device *rdev) | |
7965 | { | |
6abb9cb9 | 7966 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
7967 | struct nlattr *nl_pats, *nl_pat; |
7968 | int i, pat_len; | |
7969 | ||
6abb9cb9 | 7970 | if (!wowlan->n_patterns) |
bb92d199 AK |
7971 | return 0; |
7972 | ||
7973 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
7974 | if (!nl_pats) | |
7975 | return -ENOBUFS; | |
7976 | ||
6abb9cb9 | 7977 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
7978 | nl_pat = nla_nest_start(msg, i + 1); |
7979 | if (!nl_pat) | |
7980 | return -ENOBUFS; | |
6abb9cb9 | 7981 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 7982 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 7983 | wowlan->patterns[i].mask) || |
50ac6607 AK |
7984 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
7985 | wowlan->patterns[i].pattern) || | |
7986 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 7987 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
7988 | return -ENOBUFS; |
7989 | nla_nest_end(msg, nl_pat); | |
7990 | } | |
7991 | nla_nest_end(msg, nl_pats); | |
7992 | ||
7993 | return 0; | |
7994 | } | |
7995 | ||
2a0e047e JB |
7996 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
7997 | struct cfg80211_wowlan_tcp *tcp) | |
7998 | { | |
7999 | struct nlattr *nl_tcp; | |
8000 | ||
8001 | if (!tcp) | |
8002 | return 0; | |
8003 | ||
8004 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
8005 | if (!nl_tcp) | |
8006 | return -ENOBUFS; | |
8007 | ||
8008 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
8009 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
8010 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
8011 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
8012 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
8013 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
8014 | tcp->payload_len, tcp->payload) || | |
8015 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
8016 | tcp->data_interval) || | |
8017 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
8018 | tcp->wake_len, tcp->wake_data) || | |
8019 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
8020 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
8021 | return -ENOBUFS; | |
8022 | ||
8023 | if (tcp->payload_seq.len && | |
8024 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
8025 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
8026 | return -ENOBUFS; | |
8027 | ||
8028 | if (tcp->payload_tok.len && | |
8029 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
8030 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
8031 | &tcp->payload_tok)) | |
8032 | return -ENOBUFS; | |
8033 | ||
e248ad30 JB |
8034 | nla_nest_end(msg, nl_tcp); |
8035 | ||
2a0e047e JB |
8036 | return 0; |
8037 | } | |
8038 | ||
ff1b6e69 JB |
8039 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
8040 | { | |
8041 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8042 | struct sk_buff *msg; | |
8043 | void *hdr; | |
2a0e047e | 8044 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 8045 | |
964dc9e2 | 8046 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
8047 | return -EOPNOTSUPP; |
8048 | ||
6abb9cb9 | 8049 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 8050 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
8051 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
8052 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
8053 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
8054 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
8055 | } |
8056 | ||
8057 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
8058 | if (!msg) |
8059 | return -ENOMEM; | |
8060 | ||
15e47304 | 8061 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
8062 | NL80211_CMD_GET_WOWLAN); |
8063 | if (!hdr) | |
8064 | goto nla_put_failure; | |
8065 | ||
6abb9cb9 | 8066 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
8067 | struct nlattr *nl_wowlan; |
8068 | ||
8069 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
8070 | if (!nl_wowlan) | |
8071 | goto nla_put_failure; | |
8072 | ||
6abb9cb9 | 8073 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 8074 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 8075 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 8076 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 8077 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 8078 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 8079 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 8080 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 8081 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 8082 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 8083 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 8084 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 8085 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
8086 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
8087 | goto nla_put_failure; | |
2a0e047e | 8088 | |
bb92d199 AK |
8089 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
8090 | goto nla_put_failure; | |
2a0e047e | 8091 | |
6abb9cb9 JB |
8092 | if (nl80211_send_wowlan_tcp(msg, |
8093 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
8094 | goto nla_put_failure; |
8095 | ||
ff1b6e69 JB |
8096 | nla_nest_end(msg, nl_wowlan); |
8097 | } | |
8098 | ||
8099 | genlmsg_end(msg, hdr); | |
8100 | return genlmsg_reply(msg, info); | |
8101 | ||
8102 | nla_put_failure: | |
8103 | nlmsg_free(msg); | |
8104 | return -ENOBUFS; | |
8105 | } | |
8106 | ||
2a0e047e JB |
8107 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
8108 | struct nlattr *attr, | |
8109 | struct cfg80211_wowlan *trig) | |
8110 | { | |
8111 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
8112 | struct cfg80211_wowlan_tcp *cfg; | |
8113 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
8114 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
8115 | u32 size; | |
8116 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
8117 | int err, port; | |
8118 | ||
964dc9e2 | 8119 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
8120 | return -EINVAL; |
8121 | ||
8122 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
8123 | nla_data(attr), nla_len(attr), | |
8124 | nl80211_wowlan_tcp_policy); | |
8125 | if (err) | |
8126 | return err; | |
8127 | ||
8128 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8129 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8130 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8131 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8132 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8133 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8134 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8135 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8136 | return -EINVAL; | |
8137 | ||
8138 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8139 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8140 | return -EINVAL; |
8141 | ||
8142 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8143 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8144 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8145 | return -EINVAL; |
8146 | ||
8147 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8148 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8149 | return -EINVAL; |
8150 | ||
8151 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8152 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8153 | return -EINVAL; | |
8154 | ||
8155 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8156 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8157 | ||
8158 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8159 | tokens_size = tokln - sizeof(*tok); | |
8160 | ||
8161 | if (!tok->len || tokens_size % tok->len) | |
8162 | return -EINVAL; | |
964dc9e2 | 8163 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8164 | return -EINVAL; |
964dc9e2 | 8165 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8166 | return -EINVAL; |
964dc9e2 | 8167 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8168 | return -EINVAL; |
964dc9e2 | 8169 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8170 | return -EINVAL; |
8171 | if (tok->offset + tok->len > data_size) | |
8172 | return -EINVAL; | |
8173 | } | |
8174 | ||
8175 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8176 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8177 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8178 | return -EINVAL; |
8179 | if (seq->len == 0 || seq->len > 4) | |
8180 | return -EINVAL; | |
8181 | if (seq->len + seq->offset > data_size) | |
8182 | return -EINVAL; | |
8183 | } | |
8184 | ||
8185 | size = sizeof(*cfg); | |
8186 | size += data_size; | |
8187 | size += wake_size + wake_mask_size; | |
8188 | size += tokens_size; | |
8189 | ||
8190 | cfg = kzalloc(size, GFP_KERNEL); | |
8191 | if (!cfg) | |
8192 | return -ENOMEM; | |
8193 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8194 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8195 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8196 | ETH_ALEN); | |
8197 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8198 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8199 | else | |
8200 | port = 0; | |
8201 | #ifdef CONFIG_INET | |
8202 | /* allocate a socket and port for it and use it */ | |
8203 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8204 | IPPROTO_TCP, &cfg->sock, 1); | |
8205 | if (err) { | |
8206 | kfree(cfg); | |
8207 | return err; | |
8208 | } | |
8209 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8210 | sock_release(cfg->sock); | |
8211 | kfree(cfg); | |
8212 | return -EADDRINUSE; | |
8213 | } | |
8214 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8215 | #else | |
8216 | if (!port) { | |
8217 | kfree(cfg); | |
8218 | return -EINVAL; | |
8219 | } | |
8220 | cfg->src_port = port; | |
8221 | #endif | |
8222 | ||
8223 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8224 | cfg->payload_len = data_size; | |
8225 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8226 | memcpy((void *)cfg->payload, | |
8227 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8228 | data_size); | |
8229 | if (seq) | |
8230 | cfg->payload_seq = *seq; | |
8231 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8232 | cfg->wake_len = wake_size; | |
8233 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8234 | memcpy((void *)cfg->wake_data, | |
8235 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8236 | wake_size); | |
8237 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8238 | data_size + wake_size; | |
8239 | memcpy((void *)cfg->wake_mask, | |
8240 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8241 | wake_mask_size); | |
8242 | if (tok) { | |
8243 | cfg->tokens_size = tokens_size; | |
8244 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8245 | } | |
8246 | ||
8247 | trig->tcp = cfg; | |
8248 | ||
8249 | return 0; | |
8250 | } | |
8251 | ||
ff1b6e69 JB |
8252 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8253 | { | |
8254 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8255 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8256 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8257 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8258 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8259 | int err, i; |
6abb9cb9 | 8260 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8261 | |
964dc9e2 | 8262 | if (!wowlan) |
ff1b6e69 JB |
8263 | return -EOPNOTSUPP; |
8264 | ||
ae33bd81 JB |
8265 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8266 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8267 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8268 | goto set_wakeup; |
8269 | } | |
ff1b6e69 JB |
8270 | |
8271 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8272 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8273 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8274 | nl80211_wowlan_policy); | |
8275 | if (err) | |
8276 | return err; | |
8277 | ||
8278 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8279 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8280 | return -EINVAL; | |
8281 | new_triggers.any = true; | |
8282 | } | |
8283 | ||
8284 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8285 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8286 | return -EINVAL; | |
8287 | new_triggers.disconnect = true; | |
8288 | } | |
8289 | ||
8290 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8291 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8292 | return -EINVAL; | |
8293 | new_triggers.magic_pkt = true; | |
8294 | } | |
8295 | ||
77dbbb13 JB |
8296 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8297 | return -EINVAL; | |
8298 | ||
8299 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8300 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8301 | return -EINVAL; | |
8302 | new_triggers.gtk_rekey_failure = true; | |
8303 | } | |
8304 | ||
8305 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8306 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8307 | return -EINVAL; | |
8308 | new_triggers.eap_identity_req = true; | |
8309 | } | |
8310 | ||
8311 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8312 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8313 | return -EINVAL; | |
8314 | new_triggers.four_way_handshake = true; | |
8315 | } | |
8316 | ||
8317 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8318 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8319 | return -EINVAL; | |
8320 | new_triggers.rfkill_release = true; | |
8321 | } | |
8322 | ||
ff1b6e69 JB |
8323 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8324 | struct nlattr *pat; | |
8325 | int n_patterns = 0; | |
bb92d199 | 8326 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8327 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8328 | |
8329 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8330 | rem) | |
8331 | n_patterns++; | |
8332 | if (n_patterns > wowlan->n_patterns) | |
8333 | return -EINVAL; | |
8334 | ||
8335 | new_triggers.patterns = kcalloc(n_patterns, | |
8336 | sizeof(new_triggers.patterns[0]), | |
8337 | GFP_KERNEL); | |
8338 | if (!new_triggers.patterns) | |
8339 | return -ENOMEM; | |
8340 | ||
8341 | new_triggers.n_patterns = n_patterns; | |
8342 | i = 0; | |
8343 | ||
8344 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8345 | rem) { | |
50ac6607 AK |
8346 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8347 | nla_len(pat), NULL); | |
ff1b6e69 | 8348 | err = -EINVAL; |
50ac6607 AK |
8349 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8350 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8351 | goto error; |
50ac6607 | 8352 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8353 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8354 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8355 | goto error; |
8356 | if (pat_len > wowlan->pattern_max_len || | |
8357 | pat_len < wowlan->pattern_min_len) | |
8358 | goto error; | |
8359 | ||
50ac6607 | 8360 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8361 | pkt_offset = 0; |
8362 | else | |
8363 | pkt_offset = nla_get_u32( | |
50ac6607 | 8364 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8365 | if (pkt_offset > wowlan->max_pkt_offset) |
8366 | goto error; | |
8367 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8368 | ||
ff1b6e69 JB |
8369 | new_triggers.patterns[i].mask = |
8370 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8371 | if (!new_triggers.patterns[i].mask) { | |
8372 | err = -ENOMEM; | |
8373 | goto error; | |
8374 | } | |
8375 | new_triggers.patterns[i].pattern = | |
8376 | new_triggers.patterns[i].mask + mask_len; | |
8377 | memcpy(new_triggers.patterns[i].mask, | |
50ac6607 | 8378 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), |
ff1b6e69 JB |
8379 | mask_len); |
8380 | new_triggers.patterns[i].pattern_len = pat_len; | |
8381 | memcpy(new_triggers.patterns[i].pattern, | |
50ac6607 | 8382 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8383 | pat_len); |
8384 | i++; | |
8385 | } | |
8386 | } | |
8387 | ||
2a0e047e JB |
8388 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8389 | err = nl80211_parse_wowlan_tcp( | |
8390 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8391 | &new_triggers); | |
8392 | if (err) | |
8393 | goto error; | |
8394 | } | |
8395 | ||
ae33bd81 JB |
8396 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
8397 | if (!ntrig) { | |
8398 | err = -ENOMEM; | |
8399 | goto error; | |
ff1b6e69 | 8400 | } |
ae33bd81 | 8401 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 8402 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 8403 | |
ae33bd81 | 8404 | set_wakeup: |
6abb9cb9 JB |
8405 | if (rdev->ops->set_wakeup && |
8406 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
8407 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 8408 | |
ff1b6e69 JB |
8409 | return 0; |
8410 | error: | |
8411 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8412 | kfree(new_triggers.patterns[i].mask); | |
8413 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8414 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8415 | sock_release(new_triggers.tcp->sock); | |
8416 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8417 | return err; |
8418 | } | |
dfb89c56 | 8419 | #endif |
ff1b6e69 | 8420 | |
be29b99a AK |
8421 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
8422 | struct cfg80211_registered_device *rdev) | |
8423 | { | |
8424 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
8425 | int i, j, pat_len; | |
8426 | struct cfg80211_coalesce_rules *rule; | |
8427 | ||
8428 | if (!rdev->coalesce->n_rules) | |
8429 | return 0; | |
8430 | ||
8431 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
8432 | if (!nl_rules) | |
8433 | return -ENOBUFS; | |
8434 | ||
8435 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
8436 | nl_rule = nla_nest_start(msg, i + 1); | |
8437 | if (!nl_rule) | |
8438 | return -ENOBUFS; | |
8439 | ||
8440 | rule = &rdev->coalesce->rules[i]; | |
8441 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
8442 | rule->delay)) | |
8443 | return -ENOBUFS; | |
8444 | ||
8445 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
8446 | rule->condition)) | |
8447 | return -ENOBUFS; | |
8448 | ||
8449 | nl_pats = nla_nest_start(msg, | |
8450 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
8451 | if (!nl_pats) | |
8452 | return -ENOBUFS; | |
8453 | ||
8454 | for (j = 0; j < rule->n_patterns; j++) { | |
8455 | nl_pat = nla_nest_start(msg, j + 1); | |
8456 | if (!nl_pat) | |
8457 | return -ENOBUFS; | |
8458 | pat_len = rule->patterns[j].pattern_len; | |
8459 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
8460 | DIV_ROUND_UP(pat_len, 8), | |
8461 | rule->patterns[j].mask) || | |
8462 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
8463 | rule->patterns[j].pattern) || | |
8464 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
8465 | rule->patterns[j].pkt_offset)) | |
8466 | return -ENOBUFS; | |
8467 | nla_nest_end(msg, nl_pat); | |
8468 | } | |
8469 | nla_nest_end(msg, nl_pats); | |
8470 | nla_nest_end(msg, nl_rule); | |
8471 | } | |
8472 | nla_nest_end(msg, nl_rules); | |
8473 | ||
8474 | return 0; | |
8475 | } | |
8476 | ||
8477 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8478 | { | |
8479 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8480 | struct sk_buff *msg; | |
8481 | void *hdr; | |
8482 | ||
8483 | if (!rdev->wiphy.coalesce) | |
8484 | return -EOPNOTSUPP; | |
8485 | ||
8486 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8487 | if (!msg) | |
8488 | return -ENOMEM; | |
8489 | ||
8490 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8491 | NL80211_CMD_GET_COALESCE); | |
8492 | if (!hdr) | |
8493 | goto nla_put_failure; | |
8494 | ||
8495 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
8496 | goto nla_put_failure; | |
8497 | ||
8498 | genlmsg_end(msg, hdr); | |
8499 | return genlmsg_reply(msg, info); | |
8500 | ||
8501 | nla_put_failure: | |
8502 | nlmsg_free(msg); | |
8503 | return -ENOBUFS; | |
8504 | } | |
8505 | ||
8506 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
8507 | { | |
8508 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
8509 | int i, j; | |
8510 | struct cfg80211_coalesce_rules *rule; | |
8511 | ||
8512 | if (!coalesce) | |
8513 | return; | |
8514 | ||
8515 | for (i = 0; i < coalesce->n_rules; i++) { | |
8516 | rule = &coalesce->rules[i]; | |
8517 | for (j = 0; j < rule->n_patterns; j++) | |
8518 | kfree(rule->patterns[j].mask); | |
8519 | kfree(rule->patterns); | |
8520 | } | |
8521 | kfree(coalesce->rules); | |
8522 | kfree(coalesce); | |
8523 | rdev->coalesce = NULL; | |
8524 | } | |
8525 | ||
8526 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
8527 | struct nlattr *rule, | |
8528 | struct cfg80211_coalesce_rules *new_rule) | |
8529 | { | |
8530 | int err, i; | |
8531 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8532 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
8533 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
8534 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
8535 | ||
8536 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
8537 | nla_len(rule), nl80211_coalesce_policy); | |
8538 | if (err) | |
8539 | return err; | |
8540 | ||
8541 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
8542 | new_rule->delay = | |
8543 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
8544 | if (new_rule->delay > coalesce->max_delay) | |
8545 | return -EINVAL; | |
8546 | ||
8547 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
8548 | new_rule->condition = | |
8549 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
8550 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
8551 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
8552 | return -EINVAL; | |
8553 | ||
8554 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
8555 | return -EINVAL; | |
8556 | ||
8557 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8558 | rem) | |
8559 | n_patterns++; | |
8560 | if (n_patterns > coalesce->n_patterns) | |
8561 | return -EINVAL; | |
8562 | ||
8563 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
8564 | GFP_KERNEL); | |
8565 | if (!new_rule->patterns) | |
8566 | return -ENOMEM; | |
8567 | ||
8568 | new_rule->n_patterns = n_patterns; | |
8569 | i = 0; | |
8570 | ||
8571 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8572 | rem) { | |
8573 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), | |
8574 | nla_len(pat), NULL); | |
8575 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
8576 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
8577 | return -EINVAL; | |
8578 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
8579 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
8580 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
8581 | return -EINVAL; | |
8582 | if (pat_len > coalesce->pattern_max_len || | |
8583 | pat_len < coalesce->pattern_min_len) | |
8584 | return -EINVAL; | |
8585 | ||
8586 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
8587 | pkt_offset = 0; | |
8588 | else | |
8589 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
8590 | if (pkt_offset > coalesce->max_pkt_offset) | |
8591 | return -EINVAL; | |
8592 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
8593 | ||
8594 | new_rule->patterns[i].mask = | |
8595 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8596 | if (!new_rule->patterns[i].mask) | |
8597 | return -ENOMEM; | |
8598 | new_rule->patterns[i].pattern = | |
8599 | new_rule->patterns[i].mask + mask_len; | |
8600 | memcpy(new_rule->patterns[i].mask, | |
8601 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len); | |
8602 | new_rule->patterns[i].pattern_len = pat_len; | |
8603 | memcpy(new_rule->patterns[i].pattern, | |
8604 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len); | |
8605 | i++; | |
8606 | } | |
8607 | ||
8608 | return 0; | |
8609 | } | |
8610 | ||
8611 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8612 | { | |
8613 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8614 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8615 | struct cfg80211_coalesce new_coalesce = {}; | |
8616 | struct cfg80211_coalesce *n_coalesce; | |
8617 | int err, rem_rule, n_rules = 0, i, j; | |
8618 | struct nlattr *rule; | |
8619 | struct cfg80211_coalesce_rules *tmp_rule; | |
8620 | ||
8621 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
8622 | return -EOPNOTSUPP; | |
8623 | ||
8624 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
8625 | cfg80211_rdev_free_coalesce(rdev); | |
8626 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
8627 | return 0; | |
8628 | } | |
8629 | ||
8630 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8631 | rem_rule) | |
8632 | n_rules++; | |
8633 | if (n_rules > coalesce->n_rules) | |
8634 | return -EINVAL; | |
8635 | ||
8636 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
8637 | GFP_KERNEL); | |
8638 | if (!new_coalesce.rules) | |
8639 | return -ENOMEM; | |
8640 | ||
8641 | new_coalesce.n_rules = n_rules; | |
8642 | i = 0; | |
8643 | ||
8644 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8645 | rem_rule) { | |
8646 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
8647 | &new_coalesce.rules[i]); | |
8648 | if (err) | |
8649 | goto error; | |
8650 | ||
8651 | i++; | |
8652 | } | |
8653 | ||
8654 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
8655 | if (err) | |
8656 | goto error; | |
8657 | ||
8658 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
8659 | if (!n_coalesce) { | |
8660 | err = -ENOMEM; | |
8661 | goto error; | |
8662 | } | |
8663 | cfg80211_rdev_free_coalesce(rdev); | |
8664 | rdev->coalesce = n_coalesce; | |
8665 | ||
8666 | return 0; | |
8667 | error: | |
8668 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
8669 | tmp_rule = &new_coalesce.rules[i]; | |
8670 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
8671 | kfree(tmp_rule->patterns[j].mask); | |
8672 | kfree(tmp_rule->patterns); | |
8673 | } | |
8674 | kfree(new_coalesce.rules); | |
8675 | ||
8676 | return err; | |
8677 | } | |
8678 | ||
e5497d76 JB |
8679 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8680 | { | |
8681 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8682 | struct net_device *dev = info->user_ptr[1]; | |
8683 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8684 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8685 | struct cfg80211_gtk_rekey_data rekey_data; | |
8686 | int err; | |
8687 | ||
8688 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8689 | return -EINVAL; | |
8690 | ||
8691 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8692 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8693 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8694 | nl80211_rekey_policy); | |
8695 | if (err) | |
8696 | return err; | |
8697 | ||
8698 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8699 | return -ERANGE; | |
8700 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8701 | return -ERANGE; | |
8702 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8703 | return -ERANGE; | |
8704 | ||
8705 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
8706 | NL80211_KEK_LEN); | |
8707 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
8708 | NL80211_KCK_LEN); | |
8709 | memcpy(rekey_data.replay_ctr, | |
8710 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
8711 | NL80211_REPLAY_CTR_LEN); | |
8712 | ||
8713 | wdev_lock(wdev); | |
8714 | if (!wdev->current_bss) { | |
8715 | err = -ENOTCONN; | |
8716 | goto out; | |
8717 | } | |
8718 | ||
8719 | if (!rdev->ops->set_rekey_data) { | |
8720 | err = -EOPNOTSUPP; | |
8721 | goto out; | |
8722 | } | |
8723 | ||
e35e4d28 | 8724 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8725 | out: |
8726 | wdev_unlock(wdev); | |
8727 | return err; | |
8728 | } | |
8729 | ||
28946da7 JB |
8730 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8731 | struct genl_info *info) | |
8732 | { | |
8733 | struct net_device *dev = info->user_ptr[1]; | |
8734 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8735 | ||
8736 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8737 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8738 | return -EINVAL; | |
8739 | ||
15e47304 | 8740 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
8741 | return -EBUSY; |
8742 | ||
15e47304 | 8743 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
8744 | return 0; |
8745 | } | |
8746 | ||
7f6cf311 JB |
8747 | static int nl80211_probe_client(struct sk_buff *skb, |
8748 | struct genl_info *info) | |
8749 | { | |
8750 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8751 | struct net_device *dev = info->user_ptr[1]; | |
8752 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8753 | struct sk_buff *msg; | |
8754 | void *hdr; | |
8755 | const u8 *addr; | |
8756 | u64 cookie; | |
8757 | int err; | |
8758 | ||
8759 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8760 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8761 | return -EOPNOTSUPP; | |
8762 | ||
8763 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8764 | return -EINVAL; | |
8765 | ||
8766 | if (!rdev->ops->probe_client) | |
8767 | return -EOPNOTSUPP; | |
8768 | ||
8769 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8770 | if (!msg) | |
8771 | return -ENOMEM; | |
8772 | ||
15e47304 | 8773 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 8774 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
8775 | if (!hdr) { |
8776 | err = -ENOBUFS; | |
7f6cf311 JB |
8777 | goto free_msg; |
8778 | } | |
8779 | ||
8780 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8781 | ||
e35e4d28 | 8782 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
8783 | if (err) |
8784 | goto free_msg; | |
8785 | ||
9360ffd1 DM |
8786 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8787 | goto nla_put_failure; | |
7f6cf311 JB |
8788 | |
8789 | genlmsg_end(msg, hdr); | |
8790 | ||
8791 | return genlmsg_reply(msg, info); | |
8792 | ||
8793 | nla_put_failure: | |
8794 | err = -ENOBUFS; | |
8795 | free_msg: | |
8796 | nlmsg_free(msg); | |
8797 | return err; | |
8798 | } | |
8799 | ||
5e760230 JB |
8800 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
8801 | { | |
8802 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
8803 | struct cfg80211_beacon_registration *reg, *nreg; |
8804 | int rv; | |
5e760230 JB |
8805 | |
8806 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
8807 | return -EOPNOTSUPP; | |
8808 | ||
37c73b5f BG |
8809 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
8810 | if (!nreg) | |
8811 | return -ENOMEM; | |
8812 | ||
8813 | /* First, check if already registered. */ | |
8814 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
8815 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
8816 | if (reg->nlportid == info->snd_portid) { | |
8817 | rv = -EALREADY; | |
8818 | goto out_err; | |
8819 | } | |
8820 | } | |
8821 | /* Add it to the list */ | |
8822 | nreg->nlportid = info->snd_portid; | |
8823 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 8824 | |
37c73b5f | 8825 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
8826 | |
8827 | return 0; | |
37c73b5f BG |
8828 | out_err: |
8829 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
8830 | kfree(nreg); | |
8831 | return rv; | |
5e760230 JB |
8832 | } |
8833 | ||
98104fde JB |
8834 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
8835 | { | |
8836 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8837 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8838 | int err; | |
8839 | ||
8840 | if (!rdev->ops->start_p2p_device) | |
8841 | return -EOPNOTSUPP; | |
8842 | ||
8843 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8844 | return -EOPNOTSUPP; | |
8845 | ||
8846 | if (wdev->p2p_started) | |
8847 | return 0; | |
8848 | ||
98104fde | 8849 | err = cfg80211_can_add_interface(rdev, wdev->iftype); |
98104fde JB |
8850 | if (err) |
8851 | return err; | |
8852 | ||
eeb126e9 | 8853 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
8854 | if (err) |
8855 | return err; | |
8856 | ||
8857 | wdev->p2p_started = true; | |
98104fde | 8858 | rdev->opencount++; |
98104fde JB |
8859 | |
8860 | return 0; | |
8861 | } | |
8862 | ||
8863 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
8864 | { | |
8865 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8866 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8867 | ||
8868 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8869 | return -EOPNOTSUPP; | |
8870 | ||
8871 | if (!rdev->ops->stop_p2p_device) | |
8872 | return -EOPNOTSUPP; | |
8873 | ||
f9f47529 | 8874 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
8875 | |
8876 | return 0; | |
8877 | } | |
8878 | ||
3713b4e3 JB |
8879 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
8880 | struct genl_info *info) | |
8881 | { | |
8882 | void *hdr; | |
8883 | struct sk_buff *msg; | |
8884 | ||
8885 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8886 | if (!msg) | |
8887 | return -ENOMEM; | |
8888 | ||
8889 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8890 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
8891 | if (!hdr) | |
8892 | goto nla_put_failure; | |
8893 | ||
8894 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
8895 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
8896 | goto nla_put_failure; | |
8897 | ||
8898 | genlmsg_end(msg, hdr); | |
8899 | return genlmsg_reply(msg, info); | |
8900 | ||
8901 | nla_put_failure: | |
8902 | kfree_skb(msg); | |
8903 | return -ENOBUFS; | |
8904 | } | |
8905 | ||
355199e0 JM |
8906 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
8907 | { | |
8908 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8909 | struct cfg80211_update_ft_ies_params ft_params; | |
8910 | struct net_device *dev = info->user_ptr[1]; | |
8911 | ||
8912 | if (!rdev->ops->update_ft_ies) | |
8913 | return -EOPNOTSUPP; | |
8914 | ||
8915 | if (!info->attrs[NL80211_ATTR_MDID] || | |
8916 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8917 | return -EINVAL; | |
8918 | ||
8919 | memset(&ft_params, 0, sizeof(ft_params)); | |
8920 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
8921 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8922 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8923 | ||
8924 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
8925 | } | |
8926 | ||
5de17984 AS |
8927 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
8928 | struct genl_info *info) | |
8929 | { | |
8930 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8931 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8932 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
8933 | u16 duration; | |
8934 | int ret; | |
8935 | ||
8936 | if (!rdev->ops->crit_proto_start) | |
8937 | return -EOPNOTSUPP; | |
8938 | ||
8939 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
8940 | return -EINVAL; | |
8941 | ||
8942 | if (rdev->crit_proto_nlportid) | |
8943 | return -EBUSY; | |
8944 | ||
8945 | /* determine protocol if provided */ | |
8946 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
8947 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
8948 | ||
8949 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
8950 | return -EINVAL; | |
8951 | ||
8952 | /* timeout must be provided */ | |
8953 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
8954 | return -EINVAL; | |
8955 | ||
8956 | duration = | |
8957 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
8958 | ||
8959 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
8960 | return -ERANGE; | |
8961 | ||
8962 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
8963 | if (!ret) | |
8964 | rdev->crit_proto_nlportid = info->snd_portid; | |
8965 | ||
8966 | return ret; | |
8967 | } | |
8968 | ||
8969 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
8970 | struct genl_info *info) | |
8971 | { | |
8972 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8973 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8974 | ||
8975 | if (!rdev->ops->crit_proto_stop) | |
8976 | return -EOPNOTSUPP; | |
8977 | ||
8978 | if (rdev->crit_proto_nlportid) { | |
8979 | rdev->crit_proto_nlportid = 0; | |
8980 | rdev_crit_proto_stop(rdev, wdev); | |
8981 | } | |
8982 | return 0; | |
8983 | } | |
8984 | ||
ad7e718c JB |
8985 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
8986 | { | |
8987 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8988 | struct wireless_dev *wdev = | |
8989 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
8990 | int i, err; | |
8991 | u32 vid, subcmd; | |
8992 | ||
8993 | if (!rdev->wiphy.vendor_commands) | |
8994 | return -EOPNOTSUPP; | |
8995 | ||
8996 | if (IS_ERR(wdev)) { | |
8997 | err = PTR_ERR(wdev); | |
8998 | if (err != -EINVAL) | |
8999 | return err; | |
9000 | wdev = NULL; | |
9001 | } else if (wdev->wiphy != &rdev->wiphy) { | |
9002 | return -EINVAL; | |
9003 | } | |
9004 | ||
9005 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
9006 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
9007 | return -EINVAL; | |
9008 | ||
9009 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
9010 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
9011 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
9012 | const struct wiphy_vendor_command *vcmd; | |
9013 | void *data = NULL; | |
9014 | int len = 0; | |
9015 | ||
9016 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
9017 | ||
9018 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
9019 | continue; | |
9020 | ||
9021 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
9022 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
9023 | if (!wdev) | |
9024 | return -EINVAL; | |
9025 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
9026 | !wdev->netdev) | |
9027 | return -EINVAL; | |
9028 | ||
9029 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
9030 | if (wdev->netdev && | |
9031 | !netif_running(wdev->netdev)) | |
9032 | return -ENETDOWN; | |
9033 | if (!wdev->netdev && !wdev->p2p_started) | |
9034 | return -ENETDOWN; | |
9035 | } | |
9036 | } else { | |
9037 | wdev = NULL; | |
9038 | } | |
9039 | ||
9040 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
9041 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9042 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9043 | } | |
9044 | ||
9045 | rdev->cur_cmd_info = info; | |
9046 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
9047 | data, len); | |
9048 | rdev->cur_cmd_info = NULL; | |
9049 | return err; | |
9050 | } | |
9051 | ||
9052 | return -EOPNOTSUPP; | |
9053 | } | |
9054 | ||
9055 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, | |
9056 | enum nl80211_commands cmd, | |
9057 | enum nl80211_attrs attr, | |
9058 | int approxlen) | |
9059 | { | |
9060 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
9061 | ||
9062 | if (WARN_ON(!rdev->cur_cmd_info)) | |
9063 | return NULL; | |
9064 | ||
9065 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, | |
9066 | rdev->cur_cmd_info->snd_portid, | |
9067 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 9068 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
9069 | } |
9070 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
9071 | ||
9072 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
9073 | { | |
9074 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
9075 | void *hdr = ((void **)skb->cb)[1]; | |
9076 | struct nlattr *data = ((void **)skb->cb)[2]; | |
9077 | ||
9078 | if (WARN_ON(!rdev->cur_cmd_info)) { | |
9079 | kfree_skb(skb); | |
9080 | return -EINVAL; | |
9081 | } | |
9082 | ||
9083 | nla_nest_end(skb, data); | |
9084 | genlmsg_end(skb, hdr); | |
9085 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
9086 | } | |
9087 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
9088 | ||
9089 | ||
fa9ffc74 KP |
9090 | static int nl80211_set_qos_map(struct sk_buff *skb, |
9091 | struct genl_info *info) | |
9092 | { | |
9093 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9094 | struct cfg80211_qos_map *qos_map = NULL; | |
9095 | struct net_device *dev = info->user_ptr[1]; | |
9096 | u8 *pos, len, num_des, des_len, des; | |
9097 | int ret; | |
9098 | ||
9099 | if (!rdev->ops->set_qos_map) | |
9100 | return -EOPNOTSUPP; | |
9101 | ||
9102 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
9103 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9104 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9105 | ||
9106 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
9107 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
9108 | return -EINVAL; | |
9109 | ||
9110 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
9111 | if (!qos_map) | |
9112 | return -ENOMEM; | |
9113 | ||
9114 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
9115 | if (num_des) { | |
9116 | des_len = num_des * | |
9117 | sizeof(struct cfg80211_dscp_exception); | |
9118 | memcpy(qos_map->dscp_exception, pos, des_len); | |
9119 | qos_map->num_des = num_des; | |
9120 | for (des = 0; des < num_des; des++) { | |
9121 | if (qos_map->dscp_exception[des].up > 7) { | |
9122 | kfree(qos_map); | |
9123 | return -EINVAL; | |
9124 | } | |
9125 | } | |
9126 | pos += des_len; | |
9127 | } | |
9128 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
9129 | } | |
9130 | ||
9131 | wdev_lock(dev->ieee80211_ptr); | |
9132 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
9133 | if (!ret) | |
9134 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
9135 | wdev_unlock(dev->ieee80211_ptr); | |
9136 | ||
9137 | kfree(qos_map); | |
9138 | return ret; | |
9139 | } | |
9140 | ||
4c476991 JB |
9141 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
9142 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
9143 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
9144 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
9145 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
9146 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 9147 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 9148 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
9149 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
9150 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 | 9151 | |
f84f771d | 9152 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9153 | struct genl_info *info) |
9154 | { | |
9155 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 9156 | struct wireless_dev *wdev; |
4c476991 | 9157 | struct net_device *dev; |
4c476991 JB |
9158 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
9159 | ||
9160 | if (rtnl) | |
9161 | rtnl_lock(); | |
9162 | ||
9163 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 9164 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
9165 | if (IS_ERR(rdev)) { |
9166 | if (rtnl) | |
9167 | rtnl_unlock(); | |
9168 | return PTR_ERR(rdev); | |
9169 | } | |
9170 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
9171 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
9172 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
9173 | ASSERT_RTNL(); |
9174 | ||
89a54e48 JB |
9175 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
9176 | info->attrs); | |
9177 | if (IS_ERR(wdev)) { | |
4c476991 JB |
9178 | if (rtnl) |
9179 | rtnl_unlock(); | |
89a54e48 | 9180 | return PTR_ERR(wdev); |
4c476991 | 9181 | } |
89a54e48 | 9182 | |
89a54e48 JB |
9183 | dev = wdev->netdev; |
9184 | rdev = wiphy_to_dev(wdev->wiphy); | |
9185 | ||
1bf614ef JB |
9186 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
9187 | if (!dev) { | |
1bf614ef JB |
9188 | if (rtnl) |
9189 | rtnl_unlock(); | |
9190 | return -EINVAL; | |
9191 | } | |
9192 | ||
9193 | info->user_ptr[1] = dev; | |
9194 | } else { | |
9195 | info->user_ptr[1] = wdev; | |
41265714 | 9196 | } |
1bf614ef JB |
9197 | |
9198 | if (dev) { | |
9199 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
9200 | !netif_running(dev)) { | |
1bf614ef JB |
9201 | if (rtnl) |
9202 | rtnl_unlock(); | |
9203 | return -ENETDOWN; | |
9204 | } | |
9205 | ||
9206 | dev_hold(dev); | |
98104fde JB |
9207 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
9208 | if (!wdev->p2p_started) { | |
98104fde JB |
9209 | if (rtnl) |
9210 | rtnl_unlock(); | |
9211 | return -ENETDOWN; | |
9212 | } | |
41265714 | 9213 | } |
89a54e48 | 9214 | |
4c476991 | 9215 | info->user_ptr[0] = rdev; |
4c476991 JB |
9216 | } |
9217 | ||
9218 | return 0; | |
9219 | } | |
9220 | ||
f84f771d | 9221 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9222 | struct genl_info *info) |
9223 | { | |
1bf614ef JB |
9224 | if (info->user_ptr[1]) { |
9225 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
9226 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9227 | ||
9228 | if (wdev->netdev) | |
9229 | dev_put(wdev->netdev); | |
9230 | } else { | |
9231 | dev_put(info->user_ptr[1]); | |
9232 | } | |
9233 | } | |
4c476991 JB |
9234 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
9235 | rtnl_unlock(); | |
9236 | } | |
9237 | ||
4534de83 | 9238 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
9239 | { |
9240 | .cmd = NL80211_CMD_GET_WIPHY, | |
9241 | .doit = nl80211_get_wiphy, | |
9242 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 9243 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
9244 | .policy = nl80211_policy, |
9245 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9246 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9247 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9248 | }, |
9249 | { | |
9250 | .cmd = NL80211_CMD_SET_WIPHY, | |
9251 | .doit = nl80211_set_wiphy, | |
9252 | .policy = nl80211_policy, | |
9253 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 9254 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
9255 | }, |
9256 | { | |
9257 | .cmd = NL80211_CMD_GET_INTERFACE, | |
9258 | .doit = nl80211_get_interface, | |
9259 | .dumpit = nl80211_dump_interface, | |
9260 | .policy = nl80211_policy, | |
9261 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9262 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
9263 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9264 | }, |
9265 | { | |
9266 | .cmd = NL80211_CMD_SET_INTERFACE, | |
9267 | .doit = nl80211_set_interface, | |
9268 | .policy = nl80211_policy, | |
9269 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9270 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9271 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9272 | }, |
9273 | { | |
9274 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
9275 | .doit = nl80211_new_interface, | |
9276 | .policy = nl80211_policy, | |
9277 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9278 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9279 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9280 | }, |
9281 | { | |
9282 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
9283 | .doit = nl80211_del_interface, | |
9284 | .policy = nl80211_policy, | |
41ade00f | 9285 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 9286 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9287 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9288 | }, |
9289 | { | |
9290 | .cmd = NL80211_CMD_GET_KEY, | |
9291 | .doit = nl80211_get_key, | |
9292 | .policy = nl80211_policy, | |
9293 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9294 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9295 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9296 | }, |
9297 | { | |
9298 | .cmd = NL80211_CMD_SET_KEY, | |
9299 | .doit = nl80211_set_key, | |
9300 | .policy = nl80211_policy, | |
9301 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9302 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9303 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9304 | }, |
9305 | { | |
9306 | .cmd = NL80211_CMD_NEW_KEY, | |
9307 | .doit = nl80211_new_key, | |
9308 | .policy = nl80211_policy, | |
9309 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9310 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9311 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9312 | }, |
9313 | { | |
9314 | .cmd = NL80211_CMD_DEL_KEY, | |
9315 | .doit = nl80211_del_key, | |
9316 | .policy = nl80211_policy, | |
55682965 | 9317 | .flags = GENL_ADMIN_PERM, |
41265714 | 9318 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9319 | NL80211_FLAG_NEED_RTNL, |
55682965 | 9320 | }, |
ed1b6cc7 JB |
9321 | { |
9322 | .cmd = NL80211_CMD_SET_BEACON, | |
9323 | .policy = nl80211_policy, | |
9324 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9325 | .doit = nl80211_set_beacon, |
2b5f8b0b | 9326 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9327 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9328 | }, |
9329 | { | |
8860020e | 9330 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
9331 | .policy = nl80211_policy, |
9332 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9333 | .doit = nl80211_start_ap, |
2b5f8b0b | 9334 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9335 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9336 | }, |
9337 | { | |
8860020e | 9338 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
9339 | .policy = nl80211_policy, |
9340 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9341 | .doit = nl80211_stop_ap, |
2b5f8b0b | 9342 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9343 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 9344 | }, |
5727ef1b JB |
9345 | { |
9346 | .cmd = NL80211_CMD_GET_STATION, | |
9347 | .doit = nl80211_get_station, | |
2ec600d6 | 9348 | .dumpit = nl80211_dump_station, |
5727ef1b | 9349 | .policy = nl80211_policy, |
4c476991 JB |
9350 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9351 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
9352 | }, |
9353 | { | |
9354 | .cmd = NL80211_CMD_SET_STATION, | |
9355 | .doit = nl80211_set_station, | |
9356 | .policy = nl80211_policy, | |
9357 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9358 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9359 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9360 | }, |
9361 | { | |
9362 | .cmd = NL80211_CMD_NEW_STATION, | |
9363 | .doit = nl80211_new_station, | |
9364 | .policy = nl80211_policy, | |
9365 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9366 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9367 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9368 | }, |
9369 | { | |
9370 | .cmd = NL80211_CMD_DEL_STATION, | |
9371 | .doit = nl80211_del_station, | |
9372 | .policy = nl80211_policy, | |
2ec600d6 | 9373 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9374 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9375 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9376 | }, |
9377 | { | |
9378 | .cmd = NL80211_CMD_GET_MPATH, | |
9379 | .doit = nl80211_get_mpath, | |
9380 | .dumpit = nl80211_dump_mpath, | |
9381 | .policy = nl80211_policy, | |
9382 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9383 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9384 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9385 | }, |
9386 | { | |
9387 | .cmd = NL80211_CMD_SET_MPATH, | |
9388 | .doit = nl80211_set_mpath, | |
9389 | .policy = nl80211_policy, | |
9390 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9391 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9392 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9393 | }, |
9394 | { | |
9395 | .cmd = NL80211_CMD_NEW_MPATH, | |
9396 | .doit = nl80211_new_mpath, | |
9397 | .policy = nl80211_policy, | |
9398 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9399 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9400 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9401 | }, |
9402 | { | |
9403 | .cmd = NL80211_CMD_DEL_MPATH, | |
9404 | .doit = nl80211_del_mpath, | |
9405 | .policy = nl80211_policy, | |
9f1ba906 | 9406 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9407 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9408 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
9409 | }, |
9410 | { | |
9411 | .cmd = NL80211_CMD_SET_BSS, | |
9412 | .doit = nl80211_set_bss, | |
9413 | .policy = nl80211_policy, | |
b2e1b302 | 9414 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9415 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9416 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 9417 | }, |
f130347c LR |
9418 | { |
9419 | .cmd = NL80211_CMD_GET_REG, | |
9420 | .doit = nl80211_get_reg, | |
9421 | .policy = nl80211_policy, | |
5fe231e8 | 9422 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
9423 | /* can be retrieved by unprivileged users */ |
9424 | }, | |
b2e1b302 LR |
9425 | { |
9426 | .cmd = NL80211_CMD_SET_REG, | |
9427 | .doit = nl80211_set_reg, | |
9428 | .policy = nl80211_policy, | |
9429 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 9430 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
9431 | }, |
9432 | { | |
9433 | .cmd = NL80211_CMD_REQ_SET_REG, | |
9434 | .doit = nl80211_req_set_reg, | |
9435 | .policy = nl80211_policy, | |
93da9cc1 | 9436 | .flags = GENL_ADMIN_PERM, |
9437 | }, | |
9438 | { | |
24bdd9f4 JC |
9439 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
9440 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 9441 | .policy = nl80211_policy, |
9442 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 9443 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9444 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 9445 | }, |
9446 | { | |
24bdd9f4 JC |
9447 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
9448 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 9449 | .policy = nl80211_policy, |
9aed3cc1 | 9450 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 9451 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9452 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 9453 | }, |
2a519311 JB |
9454 | { |
9455 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
9456 | .doit = nl80211_trigger_scan, | |
9457 | .policy = nl80211_policy, | |
9458 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 9459 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9460 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
9461 | }, |
9462 | { | |
9463 | .cmd = NL80211_CMD_GET_SCAN, | |
9464 | .policy = nl80211_policy, | |
9465 | .dumpit = nl80211_dump_scan, | |
9466 | }, | |
807f8a8c LC |
9467 | { |
9468 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
9469 | .doit = nl80211_start_sched_scan, | |
9470 | .policy = nl80211_policy, | |
9471 | .flags = GENL_ADMIN_PERM, | |
9472 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9473 | NL80211_FLAG_NEED_RTNL, | |
9474 | }, | |
9475 | { | |
9476 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
9477 | .doit = nl80211_stop_sched_scan, | |
9478 | .policy = nl80211_policy, | |
9479 | .flags = GENL_ADMIN_PERM, | |
9480 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9481 | NL80211_FLAG_NEED_RTNL, | |
9482 | }, | |
636a5d36 JM |
9483 | { |
9484 | .cmd = NL80211_CMD_AUTHENTICATE, | |
9485 | .doit = nl80211_authenticate, | |
9486 | .policy = nl80211_policy, | |
9487 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9488 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9489 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9490 | }, |
9491 | { | |
9492 | .cmd = NL80211_CMD_ASSOCIATE, | |
9493 | .doit = nl80211_associate, | |
9494 | .policy = nl80211_policy, | |
9495 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9496 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9497 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9498 | }, |
9499 | { | |
9500 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
9501 | .doit = nl80211_deauthenticate, | |
9502 | .policy = nl80211_policy, | |
9503 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9504 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9505 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9506 | }, |
9507 | { | |
9508 | .cmd = NL80211_CMD_DISASSOCIATE, | |
9509 | .doit = nl80211_disassociate, | |
9510 | .policy = nl80211_policy, | |
9511 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9512 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9513 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 9514 | }, |
04a773ad JB |
9515 | { |
9516 | .cmd = NL80211_CMD_JOIN_IBSS, | |
9517 | .doit = nl80211_join_ibss, | |
9518 | .policy = nl80211_policy, | |
9519 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9520 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9521 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
9522 | }, |
9523 | { | |
9524 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
9525 | .doit = nl80211_leave_ibss, | |
9526 | .policy = nl80211_policy, | |
9527 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9528 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9529 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 9530 | }, |
aff89a9b JB |
9531 | #ifdef CONFIG_NL80211_TESTMODE |
9532 | { | |
9533 | .cmd = NL80211_CMD_TESTMODE, | |
9534 | .doit = nl80211_testmode_do, | |
71063f0e | 9535 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
9536 | .policy = nl80211_policy, |
9537 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9538 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9539 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
9540 | }, |
9541 | #endif | |
b23aa676 SO |
9542 | { |
9543 | .cmd = NL80211_CMD_CONNECT, | |
9544 | .doit = nl80211_connect, | |
9545 | .policy = nl80211_policy, | |
9546 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9547 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9548 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
9549 | }, |
9550 | { | |
9551 | .cmd = NL80211_CMD_DISCONNECT, | |
9552 | .doit = nl80211_disconnect, | |
9553 | .policy = nl80211_policy, | |
9554 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9555 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9556 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 9557 | }, |
463d0183 JB |
9558 | { |
9559 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
9560 | .doit = nl80211_wiphy_netns, | |
9561 | .policy = nl80211_policy, | |
9562 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9563 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9564 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 9565 | }, |
61fa713c HS |
9566 | { |
9567 | .cmd = NL80211_CMD_GET_SURVEY, | |
9568 | .policy = nl80211_policy, | |
9569 | .dumpit = nl80211_dump_survey, | |
9570 | }, | |
67fbb16b SO |
9571 | { |
9572 | .cmd = NL80211_CMD_SET_PMKSA, | |
9573 | .doit = nl80211_setdel_pmksa, | |
9574 | .policy = nl80211_policy, | |
9575 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9576 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9577 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9578 | }, |
9579 | { | |
9580 | .cmd = NL80211_CMD_DEL_PMKSA, | |
9581 | .doit = nl80211_setdel_pmksa, | |
9582 | .policy = nl80211_policy, | |
9583 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9584 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9585 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9586 | }, |
9587 | { | |
9588 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
9589 | .doit = nl80211_flush_pmksa, | |
9590 | .policy = nl80211_policy, | |
9591 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9592 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9593 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 9594 | }, |
9588bbd5 JM |
9595 | { |
9596 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
9597 | .doit = nl80211_remain_on_channel, | |
9598 | .policy = nl80211_policy, | |
9599 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9600 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9601 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
9602 | }, |
9603 | { | |
9604 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
9605 | .doit = nl80211_cancel_remain_on_channel, | |
9606 | .policy = nl80211_policy, | |
9607 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9608 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9609 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 9610 | }, |
13ae75b1 JM |
9611 | { |
9612 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
9613 | .doit = nl80211_set_tx_bitrate_mask, | |
9614 | .policy = nl80211_policy, | |
9615 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9616 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9617 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 9618 | }, |
026331c4 | 9619 | { |
2e161f78 JB |
9620 | .cmd = NL80211_CMD_REGISTER_FRAME, |
9621 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
9622 | .policy = nl80211_policy, |
9623 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9624 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9625 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
9626 | }, |
9627 | { | |
2e161f78 JB |
9628 | .cmd = NL80211_CMD_FRAME, |
9629 | .doit = nl80211_tx_mgmt, | |
026331c4 | 9630 | .policy = nl80211_policy, |
f7ca38df | 9631 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9632 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
9633 | NL80211_FLAG_NEED_RTNL, |
9634 | }, | |
9635 | { | |
9636 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
9637 | .doit = nl80211_tx_mgmt_cancel_wait, | |
9638 | .policy = nl80211_policy, | |
026331c4 | 9639 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9640 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9641 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 9642 | }, |
ffb9eb3d KV |
9643 | { |
9644 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
9645 | .doit = nl80211_set_power_save, | |
9646 | .policy = nl80211_policy, | |
9647 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9648 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9649 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
9650 | }, |
9651 | { | |
9652 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
9653 | .doit = nl80211_get_power_save, | |
9654 | .policy = nl80211_policy, | |
9655 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
9656 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9657 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 9658 | }, |
d6dc1a38 JO |
9659 | { |
9660 | .cmd = NL80211_CMD_SET_CQM, | |
9661 | .doit = nl80211_set_cqm, | |
9662 | .policy = nl80211_policy, | |
9663 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9664 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9665 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 9666 | }, |
f444de05 JB |
9667 | { |
9668 | .cmd = NL80211_CMD_SET_CHANNEL, | |
9669 | .doit = nl80211_set_channel, | |
9670 | .policy = nl80211_policy, | |
9671 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9672 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9673 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 9674 | }, |
e8347eba BJ |
9675 | { |
9676 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
9677 | .doit = nl80211_set_wds_peer, | |
9678 | .policy = nl80211_policy, | |
9679 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
9680 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9681 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 9682 | }, |
29cbe68c JB |
9683 | { |
9684 | .cmd = NL80211_CMD_JOIN_MESH, | |
9685 | .doit = nl80211_join_mesh, | |
9686 | .policy = nl80211_policy, | |
9687 | .flags = GENL_ADMIN_PERM, | |
9688 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9689 | NL80211_FLAG_NEED_RTNL, | |
9690 | }, | |
9691 | { | |
9692 | .cmd = NL80211_CMD_LEAVE_MESH, | |
9693 | .doit = nl80211_leave_mesh, | |
9694 | .policy = nl80211_policy, | |
9695 | .flags = GENL_ADMIN_PERM, | |
9696 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9697 | NL80211_FLAG_NEED_RTNL, | |
9698 | }, | |
dfb89c56 | 9699 | #ifdef CONFIG_PM |
ff1b6e69 JB |
9700 | { |
9701 | .cmd = NL80211_CMD_GET_WOWLAN, | |
9702 | .doit = nl80211_get_wowlan, | |
9703 | .policy = nl80211_policy, | |
9704 | /* can be retrieved by unprivileged users */ | |
9705 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9706 | NL80211_FLAG_NEED_RTNL, | |
9707 | }, | |
9708 | { | |
9709 | .cmd = NL80211_CMD_SET_WOWLAN, | |
9710 | .doit = nl80211_set_wowlan, | |
9711 | .policy = nl80211_policy, | |
9712 | .flags = GENL_ADMIN_PERM, | |
9713 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9714 | NL80211_FLAG_NEED_RTNL, | |
9715 | }, | |
dfb89c56 | 9716 | #endif |
e5497d76 JB |
9717 | { |
9718 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
9719 | .doit = nl80211_set_rekey_data, | |
9720 | .policy = nl80211_policy, | |
9721 | .flags = GENL_ADMIN_PERM, | |
9722 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9723 | NL80211_FLAG_NEED_RTNL, | |
9724 | }, | |
109086ce AN |
9725 | { |
9726 | .cmd = NL80211_CMD_TDLS_MGMT, | |
9727 | .doit = nl80211_tdls_mgmt, | |
9728 | .policy = nl80211_policy, | |
9729 | .flags = GENL_ADMIN_PERM, | |
9730 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9731 | NL80211_FLAG_NEED_RTNL, | |
9732 | }, | |
9733 | { | |
9734 | .cmd = NL80211_CMD_TDLS_OPER, | |
9735 | .doit = nl80211_tdls_oper, | |
9736 | .policy = nl80211_policy, | |
9737 | .flags = GENL_ADMIN_PERM, | |
9738 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9739 | NL80211_FLAG_NEED_RTNL, | |
9740 | }, | |
28946da7 JB |
9741 | { |
9742 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
9743 | .doit = nl80211_register_unexpected_frame, | |
9744 | .policy = nl80211_policy, | |
9745 | .flags = GENL_ADMIN_PERM, | |
9746 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9747 | NL80211_FLAG_NEED_RTNL, | |
9748 | }, | |
7f6cf311 JB |
9749 | { |
9750 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
9751 | .doit = nl80211_probe_client, | |
9752 | .policy = nl80211_policy, | |
9753 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9754 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
9755 | NL80211_FLAG_NEED_RTNL, |
9756 | }, | |
5e760230 JB |
9757 | { |
9758 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
9759 | .doit = nl80211_register_beacons, | |
9760 | .policy = nl80211_policy, | |
9761 | .flags = GENL_ADMIN_PERM, | |
9762 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9763 | NL80211_FLAG_NEED_RTNL, | |
9764 | }, | |
1d9d9213 SW |
9765 | { |
9766 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
9767 | .doit = nl80211_set_noack_map, | |
9768 | .policy = nl80211_policy, | |
9769 | .flags = GENL_ADMIN_PERM, | |
9770 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9771 | NL80211_FLAG_NEED_RTNL, | |
9772 | }, | |
98104fde JB |
9773 | { |
9774 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
9775 | .doit = nl80211_start_p2p_device, | |
9776 | .policy = nl80211_policy, | |
9777 | .flags = GENL_ADMIN_PERM, | |
9778 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
9779 | NL80211_FLAG_NEED_RTNL, | |
9780 | }, | |
9781 | { | |
9782 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
9783 | .doit = nl80211_stop_p2p_device, | |
9784 | .policy = nl80211_policy, | |
9785 | .flags = GENL_ADMIN_PERM, | |
9786 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9787 | NL80211_FLAG_NEED_RTNL, | |
9788 | }, | |
f4e583c8 AQ |
9789 | { |
9790 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
9791 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
9792 | .policy = nl80211_policy, |
9793 | .flags = GENL_ADMIN_PERM, | |
9794 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9795 | NL80211_FLAG_NEED_RTNL, | |
9796 | }, | |
9797 | { | |
9798 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
9799 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
9800 | .policy = nl80211_policy, |
9801 | .flags = GENL_ADMIN_PERM, | |
9802 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9803 | NL80211_FLAG_NEED_RTNL, | |
9804 | }, | |
04f39047 SW |
9805 | { |
9806 | .cmd = NL80211_CMD_RADAR_DETECT, | |
9807 | .doit = nl80211_start_radar_detection, | |
9808 | .policy = nl80211_policy, | |
9809 | .flags = GENL_ADMIN_PERM, | |
9810 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9811 | NL80211_FLAG_NEED_RTNL, | |
9812 | }, | |
3713b4e3 JB |
9813 | { |
9814 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
9815 | .doit = nl80211_get_protocol_features, | |
9816 | .policy = nl80211_policy, | |
9817 | }, | |
355199e0 JM |
9818 | { |
9819 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
9820 | .doit = nl80211_update_ft_ies, | |
9821 | .policy = nl80211_policy, | |
9822 | .flags = GENL_ADMIN_PERM, | |
9823 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9824 | NL80211_FLAG_NEED_RTNL, | |
9825 | }, | |
5de17984 AS |
9826 | { |
9827 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
9828 | .doit = nl80211_crit_protocol_start, | |
9829 | .policy = nl80211_policy, | |
9830 | .flags = GENL_ADMIN_PERM, | |
9831 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9832 | NL80211_FLAG_NEED_RTNL, | |
9833 | }, | |
9834 | { | |
9835 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
9836 | .doit = nl80211_crit_protocol_stop, | |
9837 | .policy = nl80211_policy, | |
9838 | .flags = GENL_ADMIN_PERM, | |
9839 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9840 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
9841 | }, |
9842 | { | |
9843 | .cmd = NL80211_CMD_GET_COALESCE, | |
9844 | .doit = nl80211_get_coalesce, | |
9845 | .policy = nl80211_policy, | |
9846 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9847 | NL80211_FLAG_NEED_RTNL, | |
9848 | }, | |
9849 | { | |
9850 | .cmd = NL80211_CMD_SET_COALESCE, | |
9851 | .doit = nl80211_set_coalesce, | |
9852 | .policy = nl80211_policy, | |
9853 | .flags = GENL_ADMIN_PERM, | |
9854 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9855 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
9856 | }, |
9857 | { | |
9858 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
9859 | .doit = nl80211_channel_switch, | |
9860 | .policy = nl80211_policy, | |
9861 | .flags = GENL_ADMIN_PERM, | |
9862 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9863 | NL80211_FLAG_NEED_RTNL, | |
9864 | }, | |
ad7e718c JB |
9865 | { |
9866 | .cmd = NL80211_CMD_VENDOR, | |
9867 | .doit = nl80211_vendor_cmd, | |
9868 | .policy = nl80211_policy, | |
9869 | .flags = GENL_ADMIN_PERM, | |
9870 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9871 | NL80211_FLAG_NEED_RTNL, | |
9872 | }, | |
fa9ffc74 KP |
9873 | { |
9874 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
9875 | .doit = nl80211_set_qos_map, | |
9876 | .policy = nl80211_policy, | |
9877 | .flags = GENL_ADMIN_PERM, | |
9878 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9879 | NL80211_FLAG_NEED_RTNL, | |
9880 | }, | |
55682965 | 9881 | }; |
9588bbd5 | 9882 | |
55682965 JB |
9883 | /* notification functions */ |
9884 | ||
9885 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
9886 | { | |
9887 | struct sk_buff *msg; | |
86e8cf98 | 9888 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 9889 | |
fd2120ca | 9890 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
9891 | if (!msg) |
9892 | return; | |
9893 | ||
86e8cf98 | 9894 | if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
9895 | nlmsg_free(msg); |
9896 | return; | |
9897 | } | |
9898 | ||
68eb5503 | 9899 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9900 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
9901 | } |
9902 | ||
362a415d JB |
9903 | static int nl80211_add_scan_req(struct sk_buff *msg, |
9904 | struct cfg80211_registered_device *rdev) | |
9905 | { | |
9906 | struct cfg80211_scan_request *req = rdev->scan_req; | |
9907 | struct nlattr *nest; | |
9908 | int i; | |
9909 | ||
9910 | if (WARN_ON(!req)) | |
9911 | return 0; | |
9912 | ||
9913 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
9914 | if (!nest) | |
9915 | goto nla_put_failure; | |
9360ffd1 DM |
9916 | for (i = 0; i < req->n_ssids; i++) { |
9917 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
9918 | goto nla_put_failure; | |
9919 | } | |
362a415d JB |
9920 | nla_nest_end(msg, nest); |
9921 | ||
9922 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
9923 | if (!nest) | |
9924 | goto nla_put_failure; | |
9360ffd1 DM |
9925 | for (i = 0; i < req->n_channels; i++) { |
9926 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9927 | goto nla_put_failure; | |
9928 | } | |
362a415d JB |
9929 | nla_nest_end(msg, nest); |
9930 | ||
9360ffd1 DM |
9931 | if (req->ie && |
9932 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
9933 | goto nla_put_failure; | |
362a415d | 9934 | |
ae917c9f JB |
9935 | if (req->flags && |
9936 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
9937 | goto nla_put_failure; | |
ed473771 | 9938 | |
362a415d JB |
9939 | return 0; |
9940 | nla_put_failure: | |
9941 | return -ENOBUFS; | |
9942 | } | |
9943 | ||
a538e2d5 JB |
9944 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
9945 | struct cfg80211_registered_device *rdev, | |
fd014284 | 9946 | struct wireless_dev *wdev, |
15e47304 | 9947 | u32 portid, u32 seq, int flags, |
a538e2d5 | 9948 | u32 cmd) |
2a519311 JB |
9949 | { |
9950 | void *hdr; | |
9951 | ||
15e47304 | 9952 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
9953 | if (!hdr) |
9954 | return -1; | |
9955 | ||
9360ffd1 | 9956 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
9957 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
9958 | wdev->netdev->ifindex)) || | |
9959 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 9960 | goto nla_put_failure; |
2a519311 | 9961 | |
362a415d JB |
9962 | /* ignore errors and send incomplete event anyway */ |
9963 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
9964 | |
9965 | return genlmsg_end(msg, hdr); | |
9966 | ||
9967 | nla_put_failure: | |
9968 | genlmsg_cancel(msg, hdr); | |
9969 | return -EMSGSIZE; | |
9970 | } | |
9971 | ||
807f8a8c LC |
9972 | static int |
9973 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
9974 | struct cfg80211_registered_device *rdev, | |
9975 | struct net_device *netdev, | |
15e47304 | 9976 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
9977 | { |
9978 | void *hdr; | |
9979 | ||
15e47304 | 9980 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
9981 | if (!hdr) |
9982 | return -1; | |
9983 | ||
9360ffd1 DM |
9984 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9985 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
9986 | goto nla_put_failure; | |
807f8a8c LC |
9987 | |
9988 | return genlmsg_end(msg, hdr); | |
9989 | ||
9990 | nla_put_failure: | |
9991 | genlmsg_cancel(msg, hdr); | |
9992 | return -EMSGSIZE; | |
9993 | } | |
9994 | ||
a538e2d5 | 9995 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 9996 | struct wireless_dev *wdev) |
a538e2d5 JB |
9997 | { |
9998 | struct sk_buff *msg; | |
9999 | ||
58050fce | 10000 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
10001 | if (!msg) |
10002 | return; | |
10003 | ||
fd014284 | 10004 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
10005 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
10006 | nlmsg_free(msg); | |
10007 | return; | |
10008 | } | |
10009 | ||
68eb5503 | 10010 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10011 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
10012 | } |
10013 | ||
2a519311 | 10014 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
fd014284 | 10015 | struct wireless_dev *wdev) |
2a519311 JB |
10016 | { |
10017 | struct sk_buff *msg; | |
10018 | ||
fd2120ca | 10019 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
10020 | if (!msg) |
10021 | return; | |
10022 | ||
fd014284 | 10023 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 10024 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { |
2a519311 JB |
10025 | nlmsg_free(msg); |
10026 | return; | |
10027 | } | |
10028 | ||
68eb5503 | 10029 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10030 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
10031 | } |
10032 | ||
10033 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
fd014284 | 10034 | struct wireless_dev *wdev) |
2a519311 JB |
10035 | { |
10036 | struct sk_buff *msg; | |
10037 | ||
fd2120ca | 10038 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
10039 | if (!msg) |
10040 | return; | |
10041 | ||
fd014284 | 10042 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 10043 | NL80211_CMD_SCAN_ABORTED) < 0) { |
2a519311 JB |
10044 | nlmsg_free(msg); |
10045 | return; | |
10046 | } | |
10047 | ||
68eb5503 | 10048 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10049 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
10050 | } |
10051 | ||
807f8a8c LC |
10052 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
10053 | struct net_device *netdev) | |
10054 | { | |
10055 | struct sk_buff *msg; | |
10056 | ||
10057 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10058 | if (!msg) | |
10059 | return; | |
10060 | ||
10061 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
10062 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
10063 | nlmsg_free(msg); | |
10064 | return; | |
10065 | } | |
10066 | ||
68eb5503 | 10067 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10068 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10069 | } |
10070 | ||
10071 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
10072 | struct net_device *netdev, u32 cmd) | |
10073 | { | |
10074 | struct sk_buff *msg; | |
10075 | ||
58050fce | 10076 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
10077 | if (!msg) |
10078 | return; | |
10079 | ||
10080 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
10081 | nlmsg_free(msg); | |
10082 | return; | |
10083 | } | |
10084 | ||
68eb5503 | 10085 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10086 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10087 | } |
10088 | ||
73d54c9e LR |
10089 | /* |
10090 | * This can happen on global regulatory changes or device specific settings | |
10091 | * based on custom world regulatory domains. | |
10092 | */ | |
10093 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
10094 | { | |
10095 | struct sk_buff *msg; | |
10096 | void *hdr; | |
10097 | ||
fd2120ca | 10098 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
10099 | if (!msg) |
10100 | return; | |
10101 | ||
10102 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
10103 | if (!hdr) { | |
10104 | nlmsg_free(msg); | |
10105 | return; | |
10106 | } | |
10107 | ||
10108 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
10109 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
10110 | goto nla_put_failure; | |
10111 | ||
10112 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
10113 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10114 | NL80211_REGDOM_TYPE_WORLD)) | |
10115 | goto nla_put_failure; | |
10116 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
10117 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10118 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
10119 | goto nla_put_failure; | |
10120 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
10121 | request->intersect) { | |
10122 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10123 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
10124 | goto nla_put_failure; | |
10125 | } else { | |
10126 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10127 | NL80211_REGDOM_TYPE_COUNTRY) || | |
10128 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
10129 | request->alpha2)) | |
10130 | goto nla_put_failure; | |
10131 | } | |
10132 | ||
f4173766 | 10133 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
10134 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
10135 | goto nla_put_failure; | |
73d54c9e | 10136 | |
3b7b72ee | 10137 | genlmsg_end(msg, hdr); |
73d54c9e | 10138 | |
bc43b28c | 10139 | rcu_read_lock(); |
68eb5503 | 10140 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10141 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 10142 | rcu_read_unlock(); |
73d54c9e LR |
10143 | |
10144 | return; | |
10145 | ||
10146 | nla_put_failure: | |
10147 | genlmsg_cancel(msg, hdr); | |
10148 | nlmsg_free(msg); | |
10149 | } | |
10150 | ||
6039f6d2 JM |
10151 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
10152 | struct net_device *netdev, | |
10153 | const u8 *buf, size_t len, | |
e6d6e342 | 10154 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
10155 | { |
10156 | struct sk_buff *msg; | |
10157 | void *hdr; | |
10158 | ||
e6d6e342 | 10159 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
10160 | if (!msg) |
10161 | return; | |
10162 | ||
10163 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10164 | if (!hdr) { | |
10165 | nlmsg_free(msg); | |
10166 | return; | |
10167 | } | |
10168 | ||
9360ffd1 DM |
10169 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10170 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10171 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
10172 | goto nla_put_failure; | |
6039f6d2 | 10173 | |
3b7b72ee | 10174 | genlmsg_end(msg, hdr); |
6039f6d2 | 10175 | |
68eb5503 | 10176 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10177 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
10178 | return; |
10179 | ||
10180 | nla_put_failure: | |
10181 | genlmsg_cancel(msg, hdr); | |
10182 | nlmsg_free(msg); | |
10183 | } | |
10184 | ||
10185 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10186 | struct net_device *netdev, const u8 *buf, |
10187 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10188 | { |
10189 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10190 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
10191 | } |
10192 | ||
10193 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
10194 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 10195 | size_t len, gfp_t gfp) |
6039f6d2 | 10196 | { |
e6d6e342 JB |
10197 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
10198 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
10199 | } |
10200 | ||
53b46b84 | 10201 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
10202 | struct net_device *netdev, const u8 *buf, |
10203 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10204 | { |
10205 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10206 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
10207 | } |
10208 | ||
53b46b84 JM |
10209 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
10210 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 10211 | size_t len, gfp_t gfp) |
6039f6d2 JM |
10212 | { |
10213 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10214 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
10215 | } |
10216 | ||
6ff57cf8 JB |
10217 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
10218 | size_t len) | |
cf4e594e | 10219 | { |
947add36 JB |
10220 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10221 | struct wiphy *wiphy = wdev->wiphy; | |
10222 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6ff57cf8 JB |
10223 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
10224 | u32 cmd; | |
947add36 | 10225 | |
6ff57cf8 JB |
10226 | if (WARN_ON(len < 2)) |
10227 | return; | |
cf4e594e | 10228 | |
6ff57cf8 JB |
10229 | if (ieee80211_is_deauth(mgmt->frame_control)) |
10230 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
10231 | else | |
10232 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 10233 | |
6ff57cf8 JB |
10234 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
10235 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC); | |
cf4e594e | 10236 | } |
6ff57cf8 | 10237 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 10238 | |
1b06bb40 LR |
10239 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
10240 | struct net_device *netdev, int cmd, | |
e6d6e342 | 10241 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
10242 | { |
10243 | struct sk_buff *msg; | |
10244 | void *hdr; | |
10245 | ||
e6d6e342 | 10246 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
10247 | if (!msg) |
10248 | return; | |
10249 | ||
10250 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10251 | if (!hdr) { | |
10252 | nlmsg_free(msg); | |
10253 | return; | |
10254 | } | |
10255 | ||
9360ffd1 DM |
10256 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10257 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10258 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
10259 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10260 | goto nla_put_failure; | |
1965c853 | 10261 | |
3b7b72ee | 10262 | genlmsg_end(msg, hdr); |
1965c853 | 10263 | |
68eb5503 | 10264 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10265 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
10266 | return; |
10267 | ||
10268 | nla_put_failure: | |
10269 | genlmsg_cancel(msg, hdr); | |
10270 | nlmsg_free(msg); | |
10271 | } | |
10272 | ||
10273 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10274 | struct net_device *netdev, const u8 *addr, |
10275 | gfp_t gfp) | |
1965c853 JM |
10276 | { |
10277 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 10278 | addr, gfp); |
1965c853 JM |
10279 | } |
10280 | ||
10281 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10282 | struct net_device *netdev, const u8 *addr, |
10283 | gfp_t gfp) | |
1965c853 | 10284 | { |
e6d6e342 JB |
10285 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
10286 | addr, gfp); | |
1965c853 JM |
10287 | } |
10288 | ||
b23aa676 SO |
10289 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
10290 | struct net_device *netdev, const u8 *bssid, | |
10291 | const u8 *req_ie, size_t req_ie_len, | |
10292 | const u8 *resp_ie, size_t resp_ie_len, | |
10293 | u16 status, gfp_t gfp) | |
10294 | { | |
10295 | struct sk_buff *msg; | |
10296 | void *hdr; | |
10297 | ||
58050fce | 10298 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10299 | if (!msg) |
10300 | return; | |
10301 | ||
10302 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
10303 | if (!hdr) { | |
10304 | nlmsg_free(msg); | |
10305 | return; | |
10306 | } | |
10307 | ||
9360ffd1 DM |
10308 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10309 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10310 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
10311 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
10312 | (req_ie && | |
10313 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10314 | (resp_ie && | |
10315 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10316 | goto nla_put_failure; | |
b23aa676 | 10317 | |
3b7b72ee | 10318 | genlmsg_end(msg, hdr); |
b23aa676 | 10319 | |
68eb5503 | 10320 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10321 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10322 | return; |
10323 | ||
10324 | nla_put_failure: | |
10325 | genlmsg_cancel(msg, hdr); | |
10326 | nlmsg_free(msg); | |
10327 | ||
10328 | } | |
10329 | ||
10330 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
10331 | struct net_device *netdev, const u8 *bssid, | |
10332 | const u8 *req_ie, size_t req_ie_len, | |
10333 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
10334 | { | |
10335 | struct sk_buff *msg; | |
10336 | void *hdr; | |
10337 | ||
58050fce | 10338 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10339 | if (!msg) |
10340 | return; | |
10341 | ||
10342 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
10343 | if (!hdr) { | |
10344 | nlmsg_free(msg); | |
10345 | return; | |
10346 | } | |
10347 | ||
9360ffd1 DM |
10348 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10349 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10350 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
10351 | (req_ie && | |
10352 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10353 | (resp_ie && | |
10354 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10355 | goto nla_put_failure; | |
b23aa676 | 10356 | |
3b7b72ee | 10357 | genlmsg_end(msg, hdr); |
b23aa676 | 10358 | |
68eb5503 | 10359 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10360 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10361 | return; |
10362 | ||
10363 | nla_put_failure: | |
10364 | genlmsg_cancel(msg, hdr); | |
10365 | nlmsg_free(msg); | |
10366 | ||
10367 | } | |
10368 | ||
10369 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
10370 | struct net_device *netdev, u16 reason, | |
667503dd | 10371 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
10372 | { |
10373 | struct sk_buff *msg; | |
10374 | void *hdr; | |
10375 | ||
58050fce | 10376 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
10377 | if (!msg) |
10378 | return; | |
10379 | ||
10380 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
10381 | if (!hdr) { | |
10382 | nlmsg_free(msg); | |
10383 | return; | |
10384 | } | |
10385 | ||
9360ffd1 DM |
10386 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10387 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10388 | (from_ap && reason && | |
10389 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
10390 | (from_ap && | |
10391 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
10392 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
10393 | goto nla_put_failure; | |
b23aa676 | 10394 | |
3b7b72ee | 10395 | genlmsg_end(msg, hdr); |
b23aa676 | 10396 | |
68eb5503 | 10397 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10398 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
10399 | return; |
10400 | ||
10401 | nla_put_failure: | |
10402 | genlmsg_cancel(msg, hdr); | |
10403 | nlmsg_free(msg); | |
10404 | ||
10405 | } | |
10406 | ||
04a773ad JB |
10407 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
10408 | struct net_device *netdev, const u8 *bssid, | |
10409 | gfp_t gfp) | |
10410 | { | |
10411 | struct sk_buff *msg; | |
10412 | void *hdr; | |
10413 | ||
fd2120ca | 10414 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
10415 | if (!msg) |
10416 | return; | |
10417 | ||
10418 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
10419 | if (!hdr) { | |
10420 | nlmsg_free(msg); | |
10421 | return; | |
10422 | } | |
10423 | ||
9360ffd1 DM |
10424 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10425 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10426 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10427 | goto nla_put_failure; | |
04a773ad | 10428 | |
3b7b72ee | 10429 | genlmsg_end(msg, hdr); |
04a773ad | 10430 | |
68eb5503 | 10431 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10432 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
10433 | return; |
10434 | ||
10435 | nla_put_failure: | |
10436 | genlmsg_cancel(msg, hdr); | |
10437 | nlmsg_free(msg); | |
10438 | } | |
10439 | ||
947add36 JB |
10440 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
10441 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 10442 | { |
947add36 JB |
10443 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10444 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
c93b5e71 JC |
10445 | struct sk_buff *msg; |
10446 | void *hdr; | |
10447 | ||
947add36 JB |
10448 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
10449 | return; | |
10450 | ||
10451 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
10452 | ||
c93b5e71 JC |
10453 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10454 | if (!msg) | |
10455 | return; | |
10456 | ||
10457 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
10458 | if (!hdr) { | |
10459 | nlmsg_free(msg); | |
10460 | return; | |
10461 | } | |
10462 | ||
9360ffd1 | 10463 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
10464 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10465 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
10466 | (ie_len && ie && |
10467 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
10468 | goto nla_put_failure; | |
c93b5e71 | 10469 | |
3b7b72ee | 10470 | genlmsg_end(msg, hdr); |
c93b5e71 | 10471 | |
68eb5503 | 10472 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10473 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
10474 | return; |
10475 | ||
10476 | nla_put_failure: | |
10477 | genlmsg_cancel(msg, hdr); | |
10478 | nlmsg_free(msg); | |
10479 | } | |
947add36 | 10480 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 10481 | |
a3b8b056 JM |
10482 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
10483 | struct net_device *netdev, const u8 *addr, | |
10484 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 10485 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
10486 | { |
10487 | struct sk_buff *msg; | |
10488 | void *hdr; | |
10489 | ||
e6d6e342 | 10490 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
10491 | if (!msg) |
10492 | return; | |
10493 | ||
10494 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
10495 | if (!hdr) { | |
10496 | nlmsg_free(msg); | |
10497 | return; | |
10498 | } | |
10499 | ||
9360ffd1 DM |
10500 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10501 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10502 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
10503 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
10504 | (key_id != -1 && | |
10505 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
10506 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
10507 | goto nla_put_failure; | |
a3b8b056 | 10508 | |
3b7b72ee | 10509 | genlmsg_end(msg, hdr); |
a3b8b056 | 10510 | |
68eb5503 | 10511 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10512 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
10513 | return; |
10514 | ||
10515 | nla_put_failure: | |
10516 | genlmsg_cancel(msg, hdr); | |
10517 | nlmsg_free(msg); | |
10518 | } | |
10519 | ||
6bad8766 LR |
10520 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
10521 | struct ieee80211_channel *channel_before, | |
10522 | struct ieee80211_channel *channel_after) | |
10523 | { | |
10524 | struct sk_buff *msg; | |
10525 | void *hdr; | |
10526 | struct nlattr *nl_freq; | |
10527 | ||
fd2120ca | 10528 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
10529 | if (!msg) |
10530 | return; | |
10531 | ||
10532 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
10533 | if (!hdr) { | |
10534 | nlmsg_free(msg); | |
10535 | return; | |
10536 | } | |
10537 | ||
10538 | /* | |
10539 | * Since we are applying the beacon hint to a wiphy we know its | |
10540 | * wiphy_idx is valid | |
10541 | */ | |
9360ffd1 DM |
10542 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
10543 | goto nla_put_failure; | |
6bad8766 LR |
10544 | |
10545 | /* Before */ | |
10546 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
10547 | if (!nl_freq) | |
10548 | goto nla_put_failure; | |
cdc89b97 | 10549 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
10550 | goto nla_put_failure; |
10551 | nla_nest_end(msg, nl_freq); | |
10552 | ||
10553 | /* After */ | |
10554 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
10555 | if (!nl_freq) | |
10556 | goto nla_put_failure; | |
cdc89b97 | 10557 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
10558 | goto nla_put_failure; |
10559 | nla_nest_end(msg, nl_freq); | |
10560 | ||
3b7b72ee | 10561 | genlmsg_end(msg, hdr); |
6bad8766 | 10562 | |
463d0183 | 10563 | rcu_read_lock(); |
68eb5503 | 10564 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10565 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 10566 | rcu_read_unlock(); |
6bad8766 LR |
10567 | |
10568 | return; | |
10569 | ||
10570 | nla_put_failure: | |
10571 | genlmsg_cancel(msg, hdr); | |
10572 | nlmsg_free(msg); | |
10573 | } | |
10574 | ||
9588bbd5 JM |
10575 | static void nl80211_send_remain_on_chan_event( |
10576 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 10577 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 10578 | struct ieee80211_channel *chan, |
9588bbd5 JM |
10579 | unsigned int duration, gfp_t gfp) |
10580 | { | |
10581 | struct sk_buff *msg; | |
10582 | void *hdr; | |
10583 | ||
10584 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10585 | if (!msg) | |
10586 | return; | |
10587 | ||
10588 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10589 | if (!hdr) { | |
10590 | nlmsg_free(msg); | |
10591 | return; | |
10592 | } | |
10593 | ||
9360ffd1 | 10594 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10595 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10596 | wdev->netdev->ifindex)) || | |
00f53350 | 10597 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 10598 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
10599 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
10600 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
10601 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
10602 | goto nla_put_failure; | |
9588bbd5 | 10603 | |
9360ffd1 DM |
10604 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
10605 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
10606 | goto nla_put_failure; | |
9588bbd5 | 10607 | |
3b7b72ee | 10608 | genlmsg_end(msg, hdr); |
9588bbd5 | 10609 | |
68eb5503 | 10610 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10611 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
10612 | return; |
10613 | ||
10614 | nla_put_failure: | |
10615 | genlmsg_cancel(msg, hdr); | |
10616 | nlmsg_free(msg); | |
10617 | } | |
10618 | ||
947add36 JB |
10619 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
10620 | struct ieee80211_channel *chan, | |
10621 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 10622 | { |
947add36 JB |
10623 | struct wiphy *wiphy = wdev->wiphy; |
10624 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10625 | ||
10626 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 10627 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 10628 | rdev, wdev, cookie, chan, |
42d97a59 | 10629 | duration, gfp); |
9588bbd5 | 10630 | } |
947add36 | 10631 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 10632 | |
947add36 JB |
10633 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
10634 | struct ieee80211_channel *chan, | |
10635 | gfp_t gfp) | |
9588bbd5 | 10636 | { |
947add36 JB |
10637 | struct wiphy *wiphy = wdev->wiphy; |
10638 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10639 | ||
10640 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 10641 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 10642 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 10643 | } |
947add36 | 10644 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 10645 | |
947add36 JB |
10646 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
10647 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 10648 | { |
947add36 JB |
10649 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10650 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
98b62183 JB |
10651 | struct sk_buff *msg; |
10652 | ||
947add36 JB |
10653 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
10654 | ||
58050fce | 10655 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
10656 | if (!msg) |
10657 | return; | |
10658 | ||
66266b3a JL |
10659 | if (nl80211_send_station(msg, 0, 0, 0, |
10660 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
10661 | nlmsg_free(msg); |
10662 | return; | |
10663 | } | |
10664 | ||
68eb5503 | 10665 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10666 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 10667 | } |
947add36 | 10668 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 10669 | |
947add36 | 10670 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 10671 | { |
947add36 JB |
10672 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10673 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ec15e68b JM |
10674 | struct sk_buff *msg; |
10675 | void *hdr; | |
10676 | ||
947add36 JB |
10677 | trace_cfg80211_del_sta(dev, mac_addr); |
10678 | ||
58050fce | 10679 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
10680 | if (!msg) |
10681 | return; | |
10682 | ||
10683 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
10684 | if (!hdr) { | |
10685 | nlmsg_free(msg); | |
10686 | return; | |
10687 | } | |
10688 | ||
9360ffd1 DM |
10689 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10690 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
10691 | goto nla_put_failure; | |
ec15e68b | 10692 | |
3b7b72ee | 10693 | genlmsg_end(msg, hdr); |
ec15e68b | 10694 | |
68eb5503 | 10695 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10696 | NL80211_MCGRP_MLME, gfp); |
ec15e68b JM |
10697 | return; |
10698 | ||
10699 | nla_put_failure: | |
10700 | genlmsg_cancel(msg, hdr); | |
10701 | nlmsg_free(msg); | |
10702 | } | |
947add36 | 10703 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 10704 | |
947add36 JB |
10705 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
10706 | enum nl80211_connect_failed_reason reason, | |
10707 | gfp_t gfp) | |
ed44a951 | 10708 | { |
947add36 JB |
10709 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10710 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ed44a951 PP |
10711 | struct sk_buff *msg; |
10712 | void *hdr; | |
10713 | ||
10714 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10715 | if (!msg) | |
10716 | return; | |
10717 | ||
10718 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
10719 | if (!hdr) { | |
10720 | nlmsg_free(msg); | |
10721 | return; | |
10722 | } | |
10723 | ||
10724 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10725 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
10726 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
10727 | goto nla_put_failure; | |
10728 | ||
10729 | genlmsg_end(msg, hdr); | |
10730 | ||
68eb5503 | 10731 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10732 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
10733 | return; |
10734 | ||
10735 | nla_put_failure: | |
10736 | genlmsg_cancel(msg, hdr); | |
10737 | nlmsg_free(msg); | |
10738 | } | |
947add36 | 10739 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 10740 | |
b92ab5d8 JB |
10741 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
10742 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
10743 | { |
10744 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10745 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10746 | struct sk_buff *msg; | |
10747 | void *hdr; | |
15e47304 | 10748 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 10749 | |
15e47304 | 10750 | if (!nlportid) |
28946da7 JB |
10751 | return false; |
10752 | ||
10753 | msg = nlmsg_new(100, gfp); | |
10754 | if (!msg) | |
10755 | return true; | |
10756 | ||
b92ab5d8 | 10757 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
10758 | if (!hdr) { |
10759 | nlmsg_free(msg); | |
10760 | return true; | |
10761 | } | |
10762 | ||
9360ffd1 DM |
10763 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10764 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10765 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10766 | goto nla_put_failure; | |
28946da7 | 10767 | |
9c90a9f6 | 10768 | genlmsg_end(msg, hdr); |
15e47304 | 10769 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
10770 | return true; |
10771 | ||
10772 | nla_put_failure: | |
10773 | genlmsg_cancel(msg, hdr); | |
10774 | nlmsg_free(msg); | |
10775 | return true; | |
10776 | } | |
10777 | ||
947add36 JB |
10778 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
10779 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10780 | { |
947add36 JB |
10781 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10782 | bool ret; | |
10783 | ||
10784 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
10785 | ||
10786 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10787 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
10788 | trace_cfg80211_return_bool(false); | |
10789 | return false; | |
10790 | } | |
10791 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
10792 | addr, gfp); | |
10793 | trace_cfg80211_return_bool(ret); | |
10794 | return ret; | |
b92ab5d8 | 10795 | } |
947add36 | 10796 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 10797 | |
947add36 JB |
10798 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
10799 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10800 | { |
947add36 JB |
10801 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10802 | bool ret; | |
10803 | ||
10804 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
10805 | ||
10806 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10807 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
10808 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
10809 | trace_cfg80211_return_bool(false); | |
10810 | return false; | |
10811 | } | |
10812 | ret = __nl80211_unexpected_frame(dev, | |
10813 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
10814 | addr, gfp); | |
10815 | trace_cfg80211_return_bool(ret); | |
10816 | return ret; | |
b92ab5d8 | 10817 | } |
947add36 | 10818 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 10819 | |
2e161f78 | 10820 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 10821 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 10822 | int freq, int sig_dbm, |
19504cf5 | 10823 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 10824 | { |
71bbc994 | 10825 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10826 | struct sk_buff *msg; |
10827 | void *hdr; | |
026331c4 JM |
10828 | |
10829 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10830 | if (!msg) | |
10831 | return -ENOMEM; | |
10832 | ||
2e161f78 | 10833 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
10834 | if (!hdr) { |
10835 | nlmsg_free(msg); | |
10836 | return -ENOMEM; | |
10837 | } | |
10838 | ||
9360ffd1 | 10839 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10840 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10841 | netdev->ifindex)) || | |
a838490b | 10842 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10843 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
10844 | (sig_dbm && | |
10845 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
10846 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10847 | (flags && | |
10848 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 10849 | goto nla_put_failure; |
026331c4 | 10850 | |
3b7b72ee | 10851 | genlmsg_end(msg, hdr); |
026331c4 | 10852 | |
15e47304 | 10853 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
10854 | |
10855 | nla_put_failure: | |
10856 | genlmsg_cancel(msg, hdr); | |
10857 | nlmsg_free(msg); | |
10858 | return -ENOBUFS; | |
10859 | } | |
10860 | ||
947add36 JB |
10861 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
10862 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 10863 | { |
947add36 JB |
10864 | struct wiphy *wiphy = wdev->wiphy; |
10865 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
71bbc994 | 10866 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10867 | struct sk_buff *msg; |
10868 | void *hdr; | |
10869 | ||
947add36 JB |
10870 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
10871 | ||
026331c4 JM |
10872 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10873 | if (!msg) | |
10874 | return; | |
10875 | ||
2e161f78 | 10876 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
10877 | if (!hdr) { |
10878 | nlmsg_free(msg); | |
10879 | return; | |
10880 | } | |
10881 | ||
9360ffd1 | 10882 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10883 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10884 | netdev->ifindex)) || | |
a838490b | 10885 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10886 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10887 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10888 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10889 | goto nla_put_failure; | |
026331c4 | 10890 | |
3b7b72ee | 10891 | genlmsg_end(msg, hdr); |
026331c4 | 10892 | |
68eb5503 | 10893 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10894 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
10895 | return; |
10896 | ||
10897 | nla_put_failure: | |
10898 | genlmsg_cancel(msg, hdr); | |
10899 | nlmsg_free(msg); | |
10900 | } | |
947add36 | 10901 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 10902 | |
947add36 JB |
10903 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
10904 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
10905 | gfp_t gfp) | |
d6dc1a38 | 10906 | { |
947add36 JB |
10907 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10908 | struct wiphy *wiphy = wdev->wiphy; | |
10909 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
d6dc1a38 JO |
10910 | struct sk_buff *msg; |
10911 | struct nlattr *pinfoattr; | |
10912 | void *hdr; | |
10913 | ||
947add36 JB |
10914 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
10915 | ||
58050fce | 10916 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
10917 | if (!msg) |
10918 | return; | |
10919 | ||
10920 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10921 | if (!hdr) { | |
10922 | nlmsg_free(msg); | |
10923 | return; | |
10924 | } | |
10925 | ||
9360ffd1 | 10926 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10927 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 10928 | goto nla_put_failure; |
d6dc1a38 JO |
10929 | |
10930 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10931 | if (!pinfoattr) | |
10932 | goto nla_put_failure; | |
10933 | ||
9360ffd1 DM |
10934 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
10935 | rssi_event)) | |
10936 | goto nla_put_failure; | |
d6dc1a38 JO |
10937 | |
10938 | nla_nest_end(msg, pinfoattr); | |
10939 | ||
3b7b72ee | 10940 | genlmsg_end(msg, hdr); |
d6dc1a38 | 10941 | |
68eb5503 | 10942 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10943 | NL80211_MCGRP_MLME, gfp); |
d6dc1a38 JO |
10944 | return; |
10945 | ||
10946 | nla_put_failure: | |
10947 | genlmsg_cancel(msg, hdr); | |
10948 | nlmsg_free(msg); | |
10949 | } | |
947add36 | 10950 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 10951 | |
947add36 JB |
10952 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
10953 | struct net_device *netdev, const u8 *bssid, | |
10954 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
10955 | { |
10956 | struct sk_buff *msg; | |
10957 | struct nlattr *rekey_attr; | |
10958 | void *hdr; | |
10959 | ||
58050fce | 10960 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
10961 | if (!msg) |
10962 | return; | |
10963 | ||
10964 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
10965 | if (!hdr) { | |
10966 | nlmsg_free(msg); | |
10967 | return; | |
10968 | } | |
10969 | ||
9360ffd1 DM |
10970 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10971 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10972 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10973 | goto nla_put_failure; | |
e5497d76 JB |
10974 | |
10975 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
10976 | if (!rekey_attr) | |
10977 | goto nla_put_failure; | |
10978 | ||
9360ffd1 DM |
10979 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
10980 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
10981 | goto nla_put_failure; | |
e5497d76 JB |
10982 | |
10983 | nla_nest_end(msg, rekey_attr); | |
10984 | ||
3b7b72ee | 10985 | genlmsg_end(msg, hdr); |
e5497d76 | 10986 | |
68eb5503 | 10987 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10988 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
10989 | return; |
10990 | ||
10991 | nla_put_failure: | |
10992 | genlmsg_cancel(msg, hdr); | |
10993 | nlmsg_free(msg); | |
10994 | } | |
10995 | ||
947add36 JB |
10996 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
10997 | const u8 *replay_ctr, gfp_t gfp) | |
10998 | { | |
10999 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11000 | struct wiphy *wiphy = wdev->wiphy; | |
11001 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11002 | ||
11003 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
11004 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
11005 | } | |
11006 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
11007 | ||
11008 | static void | |
11009 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
11010 | struct net_device *netdev, int index, | |
11011 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
11012 | { |
11013 | struct sk_buff *msg; | |
11014 | struct nlattr *attr; | |
11015 | void *hdr; | |
11016 | ||
58050fce | 11017 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
11018 | if (!msg) |
11019 | return; | |
11020 | ||
11021 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
11022 | if (!hdr) { | |
11023 | nlmsg_free(msg); | |
11024 | return; | |
11025 | } | |
11026 | ||
9360ffd1 DM |
11027 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11028 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
11029 | goto nla_put_failure; | |
c9df56b4 JM |
11030 | |
11031 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
11032 | if (!attr) | |
11033 | goto nla_put_failure; | |
11034 | ||
9360ffd1 DM |
11035 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
11036 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
11037 | (preauth && | |
11038 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
11039 | goto nla_put_failure; | |
c9df56b4 JM |
11040 | |
11041 | nla_nest_end(msg, attr); | |
11042 | ||
3b7b72ee | 11043 | genlmsg_end(msg, hdr); |
c9df56b4 | 11044 | |
68eb5503 | 11045 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11046 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
11047 | return; |
11048 | ||
11049 | nla_put_failure: | |
11050 | genlmsg_cancel(msg, hdr); | |
11051 | nlmsg_free(msg); | |
11052 | } | |
11053 | ||
947add36 JB |
11054 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
11055 | const u8 *bssid, bool preauth, gfp_t gfp) | |
11056 | { | |
11057 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11058 | struct wiphy *wiphy = wdev->wiphy; | |
11059 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11060 | ||
11061 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
11062 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
11063 | } | |
11064 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
11065 | ||
11066 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
11067 | struct net_device *netdev, | |
11068 | struct cfg80211_chan_def *chandef, | |
11069 | gfp_t gfp) | |
5314526b TP |
11070 | { |
11071 | struct sk_buff *msg; | |
11072 | void *hdr; | |
11073 | ||
58050fce | 11074 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
11075 | if (!msg) |
11076 | return; | |
11077 | ||
11078 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
11079 | if (!hdr) { | |
11080 | nlmsg_free(msg); | |
11081 | return; | |
11082 | } | |
11083 | ||
683b6d3b JB |
11084 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
11085 | goto nla_put_failure; | |
11086 | ||
11087 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 11088 | goto nla_put_failure; |
5314526b TP |
11089 | |
11090 | genlmsg_end(msg, hdr); | |
11091 | ||
68eb5503 | 11092 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11093 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
11094 | return; |
11095 | ||
11096 | nla_put_failure: | |
11097 | genlmsg_cancel(msg, hdr); | |
11098 | nlmsg_free(msg); | |
11099 | } | |
11100 | ||
947add36 JB |
11101 | void cfg80211_ch_switch_notify(struct net_device *dev, |
11102 | struct cfg80211_chan_def *chandef) | |
84f10708 | 11103 | { |
947add36 JB |
11104 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11105 | struct wiphy *wiphy = wdev->wiphy; | |
11106 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11107 | ||
e487eaeb | 11108 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 11109 | |
e487eaeb | 11110 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 JB |
11111 | |
11112 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
ee4bc9e7 | 11113 | wdev->iftype != NL80211_IFTYPE_P2P_GO && |
b8456a14 CYY |
11114 | wdev->iftype != NL80211_IFTYPE_ADHOC && |
11115 | wdev->iftype != NL80211_IFTYPE_MESH_POINT)) | |
e487eaeb | 11116 | return; |
947add36 JB |
11117 | |
11118 | wdev->channel = chandef->chan; | |
11119 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); | |
947add36 JB |
11120 | } |
11121 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
11122 | ||
11123 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
11124 | const u8 *peer, u32 num_packets, | |
11125 | u32 rate, u32 intvl, gfp_t gfp) | |
11126 | { | |
11127 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11128 | struct wiphy *wiphy = wdev->wiphy; | |
11129 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
84f10708 TP |
11130 | struct sk_buff *msg; |
11131 | struct nlattr *pinfoattr; | |
11132 | void *hdr; | |
11133 | ||
11134 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
11135 | if (!msg) | |
11136 | return; | |
11137 | ||
11138 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11139 | if (!hdr) { | |
11140 | nlmsg_free(msg); | |
11141 | return; | |
11142 | } | |
11143 | ||
11144 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 11145 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
11146 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11147 | goto nla_put_failure; | |
11148 | ||
11149 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11150 | if (!pinfoattr) | |
11151 | goto nla_put_failure; | |
11152 | ||
11153 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
11154 | goto nla_put_failure; | |
11155 | ||
11156 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
11157 | goto nla_put_failure; | |
11158 | ||
11159 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
11160 | goto nla_put_failure; | |
11161 | ||
11162 | nla_nest_end(msg, pinfoattr); | |
11163 | ||
11164 | genlmsg_end(msg, hdr); | |
11165 | ||
68eb5503 | 11166 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11167 | NL80211_MCGRP_MLME, gfp); |
84f10708 TP |
11168 | return; |
11169 | ||
11170 | nla_put_failure: | |
11171 | genlmsg_cancel(msg, hdr); | |
11172 | nlmsg_free(msg); | |
11173 | } | |
947add36 | 11174 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 11175 | |
04f39047 SW |
11176 | void |
11177 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 11178 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
11179 | enum nl80211_radar_event event, |
11180 | struct net_device *netdev, gfp_t gfp) | |
11181 | { | |
11182 | struct sk_buff *msg; | |
11183 | void *hdr; | |
11184 | ||
11185 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11186 | if (!msg) | |
11187 | return; | |
11188 | ||
11189 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
11190 | if (!hdr) { | |
11191 | nlmsg_free(msg); | |
11192 | return; | |
11193 | } | |
11194 | ||
11195 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
11196 | goto nla_put_failure; | |
11197 | ||
11198 | /* NOP and radar events don't need a netdev parameter */ | |
11199 | if (netdev) { | |
11200 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
11201 | ||
11202 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11203 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11204 | goto nla_put_failure; | |
11205 | } | |
11206 | ||
11207 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
11208 | goto nla_put_failure; | |
11209 | ||
11210 | if (nl80211_send_chandef(msg, chandef)) | |
11211 | goto nla_put_failure; | |
11212 | ||
9c90a9f6 | 11213 | genlmsg_end(msg, hdr); |
04f39047 | 11214 | |
68eb5503 | 11215 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11216 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
11217 | return; |
11218 | ||
11219 | nla_put_failure: | |
11220 | genlmsg_cancel(msg, hdr); | |
11221 | nlmsg_free(msg); | |
11222 | } | |
11223 | ||
947add36 JB |
11224 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
11225 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 11226 | { |
947add36 JB |
11227 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11228 | struct wiphy *wiphy = wdev->wiphy; | |
11229 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
c063dbf5 JB |
11230 | struct sk_buff *msg; |
11231 | struct nlattr *pinfoattr; | |
11232 | void *hdr; | |
11233 | ||
947add36 JB |
11234 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
11235 | ||
58050fce | 11236 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
11237 | if (!msg) |
11238 | return; | |
11239 | ||
11240 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11241 | if (!hdr) { | |
11242 | nlmsg_free(msg); | |
11243 | return; | |
11244 | } | |
11245 | ||
9360ffd1 | 11246 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11247 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
11248 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11249 | goto nla_put_failure; | |
c063dbf5 JB |
11250 | |
11251 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11252 | if (!pinfoattr) | |
11253 | goto nla_put_failure; | |
11254 | ||
9360ffd1 DM |
11255 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
11256 | goto nla_put_failure; | |
c063dbf5 JB |
11257 | |
11258 | nla_nest_end(msg, pinfoattr); | |
11259 | ||
3b7b72ee | 11260 | genlmsg_end(msg, hdr); |
c063dbf5 | 11261 | |
68eb5503 | 11262 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11263 | NL80211_MCGRP_MLME, gfp); |
c063dbf5 JB |
11264 | return; |
11265 | ||
11266 | nla_put_failure: | |
11267 | genlmsg_cancel(msg, hdr); | |
11268 | nlmsg_free(msg); | |
11269 | } | |
947add36 | 11270 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 11271 | |
7f6cf311 JB |
11272 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
11273 | u64 cookie, bool acked, gfp_t gfp) | |
11274 | { | |
11275 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11276 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11277 | struct sk_buff *msg; | |
11278 | void *hdr; | |
7f6cf311 | 11279 | |
4ee3e063 BL |
11280 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
11281 | ||
58050fce | 11282 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 11283 | |
7f6cf311 JB |
11284 | if (!msg) |
11285 | return; | |
11286 | ||
11287 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
11288 | if (!hdr) { | |
11289 | nlmsg_free(msg); | |
11290 | return; | |
11291 | } | |
11292 | ||
9360ffd1 DM |
11293 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11294 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11295 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
11296 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11297 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11298 | goto nla_put_failure; | |
7f6cf311 | 11299 | |
9c90a9f6 | 11300 | genlmsg_end(msg, hdr); |
7f6cf311 | 11301 | |
68eb5503 | 11302 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11303 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
11304 | return; |
11305 | ||
11306 | nla_put_failure: | |
11307 | genlmsg_cancel(msg, hdr); | |
11308 | nlmsg_free(msg); | |
11309 | } | |
11310 | EXPORT_SYMBOL(cfg80211_probe_status); | |
11311 | ||
5e760230 JB |
11312 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
11313 | const u8 *frame, size_t len, | |
37c73b5f | 11314 | int freq, int sig_dbm) |
5e760230 JB |
11315 | { |
11316 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11317 | struct sk_buff *msg; | |
11318 | void *hdr; | |
37c73b5f | 11319 | struct cfg80211_beacon_registration *reg; |
5e760230 | 11320 | |
4ee3e063 BL |
11321 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
11322 | ||
37c73b5f BG |
11323 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11324 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11325 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
11326 | if (!msg) { | |
11327 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11328 | return; | |
11329 | } | |
5e760230 | 11330 | |
37c73b5f BG |
11331 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
11332 | if (!hdr) | |
11333 | goto nla_put_failure; | |
5e760230 | 11334 | |
37c73b5f BG |
11335 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11336 | (freq && | |
11337 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
11338 | (sig_dbm && | |
11339 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
11340 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
11341 | goto nla_put_failure; | |
5e760230 | 11342 | |
37c73b5f | 11343 | genlmsg_end(msg, hdr); |
5e760230 | 11344 | |
37c73b5f BG |
11345 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
11346 | } | |
11347 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
11348 | return; |
11349 | ||
11350 | nla_put_failure: | |
37c73b5f BG |
11351 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
11352 | if (hdr) | |
11353 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
11354 | nlmsg_free(msg); |
11355 | } | |
11356 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
11357 | ||
cd8f7cb4 JB |
11358 | #ifdef CONFIG_PM |
11359 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
11360 | struct cfg80211_wowlan_wakeup *wakeup, | |
11361 | gfp_t gfp) | |
11362 | { | |
11363 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11364 | struct sk_buff *msg; | |
11365 | void *hdr; | |
9c90a9f6 | 11366 | int size = 200; |
cd8f7cb4 JB |
11367 | |
11368 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
11369 | ||
11370 | if (wakeup) | |
11371 | size += wakeup->packet_present_len; | |
11372 | ||
11373 | msg = nlmsg_new(size, gfp); | |
11374 | if (!msg) | |
11375 | return; | |
11376 | ||
11377 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
11378 | if (!hdr) | |
11379 | goto free_msg; | |
11380 | ||
11381 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11382 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11383 | goto free_msg; | |
11384 | ||
11385 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11386 | wdev->netdev->ifindex)) | |
11387 | goto free_msg; | |
11388 | ||
11389 | if (wakeup) { | |
11390 | struct nlattr *reasons; | |
11391 | ||
11392 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
11393 | if (!reasons) |
11394 | goto free_msg; | |
cd8f7cb4 JB |
11395 | |
11396 | if (wakeup->disconnect && | |
11397 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
11398 | goto free_msg; | |
11399 | if (wakeup->magic_pkt && | |
11400 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
11401 | goto free_msg; | |
11402 | if (wakeup->gtk_rekey_failure && | |
11403 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
11404 | goto free_msg; | |
11405 | if (wakeup->eap_identity_req && | |
11406 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
11407 | goto free_msg; | |
11408 | if (wakeup->four_way_handshake && | |
11409 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
11410 | goto free_msg; | |
11411 | if (wakeup->rfkill_release && | |
11412 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
11413 | goto free_msg; | |
11414 | ||
11415 | if (wakeup->pattern_idx >= 0 && | |
11416 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
11417 | wakeup->pattern_idx)) | |
11418 | goto free_msg; | |
11419 | ||
ae917c9f JB |
11420 | if (wakeup->tcp_match && |
11421 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
11422 | goto free_msg; | |
2a0e047e | 11423 | |
ae917c9f JB |
11424 | if (wakeup->tcp_connlost && |
11425 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
11426 | goto free_msg; | |
2a0e047e | 11427 | |
ae917c9f JB |
11428 | if (wakeup->tcp_nomoretokens && |
11429 | nla_put_flag(msg, | |
11430 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
11431 | goto free_msg; | |
2a0e047e | 11432 | |
cd8f7cb4 JB |
11433 | if (wakeup->packet) { |
11434 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
11435 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
11436 | ||
11437 | if (!wakeup->packet_80211) { | |
11438 | pkt_attr = | |
11439 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
11440 | len_attr = | |
11441 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
11442 | } | |
11443 | ||
11444 | if (wakeup->packet_len && | |
11445 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
11446 | goto free_msg; | |
11447 | ||
11448 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
11449 | wakeup->packet)) | |
11450 | goto free_msg; | |
11451 | } | |
11452 | ||
11453 | nla_nest_end(msg, reasons); | |
11454 | } | |
11455 | ||
9c90a9f6 | 11456 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 11457 | |
68eb5503 | 11458 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11459 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
11460 | return; |
11461 | ||
11462 | free_msg: | |
11463 | nlmsg_free(msg); | |
11464 | } | |
11465 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
11466 | #endif | |
11467 | ||
3475b094 JM |
11468 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
11469 | enum nl80211_tdls_operation oper, | |
11470 | u16 reason_code, gfp_t gfp) | |
11471 | { | |
11472 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11473 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11474 | struct sk_buff *msg; | |
11475 | void *hdr; | |
3475b094 JM |
11476 | |
11477 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
11478 | reason_code); | |
11479 | ||
11480 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11481 | if (!msg) | |
11482 | return; | |
11483 | ||
11484 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
11485 | if (!hdr) { | |
11486 | nlmsg_free(msg); | |
11487 | return; | |
11488 | } | |
11489 | ||
11490 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11491 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11492 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
11493 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
11494 | (reason_code > 0 && | |
11495 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
11496 | goto nla_put_failure; | |
11497 | ||
9c90a9f6 | 11498 | genlmsg_end(msg, hdr); |
3475b094 | 11499 | |
68eb5503 | 11500 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11501 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
11502 | return; |
11503 | ||
11504 | nla_put_failure: | |
11505 | genlmsg_cancel(msg, hdr); | |
11506 | nlmsg_free(msg); | |
11507 | } | |
11508 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
11509 | ||
026331c4 JM |
11510 | static int nl80211_netlink_notify(struct notifier_block * nb, |
11511 | unsigned long state, | |
11512 | void *_notify) | |
11513 | { | |
11514 | struct netlink_notify *notify = _notify; | |
11515 | struct cfg80211_registered_device *rdev; | |
11516 | struct wireless_dev *wdev; | |
37c73b5f | 11517 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
11518 | |
11519 | if (state != NETLINK_URELEASE) | |
11520 | return NOTIFY_DONE; | |
11521 | ||
11522 | rcu_read_lock(); | |
11523 | ||
5e760230 | 11524 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
89a54e48 | 11525 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) |
15e47304 | 11526 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f BG |
11527 | |
11528 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
11529 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
11530 | list) { | |
11531 | if (reg->nlportid == notify->portid) { | |
11532 | list_del(®->list); | |
11533 | kfree(reg); | |
11534 | break; | |
11535 | } | |
11536 | } | |
11537 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 11538 | } |
026331c4 JM |
11539 | |
11540 | rcu_read_unlock(); | |
11541 | ||
11542 | return NOTIFY_DONE; | |
11543 | } | |
11544 | ||
11545 | static struct notifier_block nl80211_netlink_notifier = { | |
11546 | .notifier_call = nl80211_netlink_notify, | |
11547 | }; | |
11548 | ||
355199e0 JM |
11549 | void cfg80211_ft_event(struct net_device *netdev, |
11550 | struct cfg80211_ft_event_params *ft_event) | |
11551 | { | |
11552 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
11553 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11554 | struct sk_buff *msg; | |
11555 | void *hdr; | |
355199e0 JM |
11556 | |
11557 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
11558 | ||
11559 | if (!ft_event->target_ap) | |
11560 | return; | |
11561 | ||
11562 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11563 | if (!msg) | |
11564 | return; | |
11565 | ||
11566 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
11567 | if (!hdr) |
11568 | goto out; | |
355199e0 | 11569 | |
ae917c9f JB |
11570 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11571 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11572 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
11573 | goto out; | |
355199e0 | 11574 | |
ae917c9f JB |
11575 | if (ft_event->ies && |
11576 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
11577 | goto out; | |
11578 | if (ft_event->ric_ies && | |
11579 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
11580 | ft_event->ric_ies)) | |
11581 | goto out; | |
355199e0 | 11582 | |
9c90a9f6 | 11583 | genlmsg_end(msg, hdr); |
355199e0 | 11584 | |
68eb5503 | 11585 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11586 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
11587 | return; |
11588 | out: | |
11589 | nlmsg_free(msg); | |
355199e0 JM |
11590 | } |
11591 | EXPORT_SYMBOL(cfg80211_ft_event); | |
11592 | ||
5de17984 AS |
11593 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
11594 | { | |
11595 | struct cfg80211_registered_device *rdev; | |
11596 | struct sk_buff *msg; | |
11597 | void *hdr; | |
11598 | u32 nlportid; | |
11599 | ||
11600 | rdev = wiphy_to_dev(wdev->wiphy); | |
11601 | if (!rdev->crit_proto_nlportid) | |
11602 | return; | |
11603 | ||
11604 | nlportid = rdev->crit_proto_nlportid; | |
11605 | rdev->crit_proto_nlportid = 0; | |
11606 | ||
11607 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11608 | if (!msg) | |
11609 | return; | |
11610 | ||
11611 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
11612 | if (!hdr) | |
11613 | goto nla_put_failure; | |
11614 | ||
11615 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11616 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11617 | goto nla_put_failure; | |
11618 | ||
11619 | genlmsg_end(msg, hdr); | |
11620 | ||
11621 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
11622 | return; | |
11623 | ||
11624 | nla_put_failure: | |
11625 | if (hdr) | |
11626 | genlmsg_cancel(msg, hdr); | |
11627 | nlmsg_free(msg); | |
11628 | ||
11629 | } | |
11630 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
11631 | ||
55682965 JB |
11632 | /* initialisation/exit functions */ |
11633 | ||
11634 | int nl80211_init(void) | |
11635 | { | |
0d63cbb5 | 11636 | int err; |
55682965 | 11637 | |
2a94fe48 JB |
11638 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
11639 | nl80211_mcgrps); | |
55682965 JB |
11640 | if (err) |
11641 | return err; | |
11642 | ||
026331c4 JM |
11643 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
11644 | if (err) | |
11645 | goto err_out; | |
11646 | ||
55682965 JB |
11647 | return 0; |
11648 | err_out: | |
11649 | genl_unregister_family(&nl80211_fam); | |
11650 | return err; | |
11651 | } | |
11652 | ||
11653 | void nl80211_exit(void) | |
11654 | { | |
026331c4 | 11655 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
11656 | genl_unregister_family(&nl80211_fam); |
11657 | } |