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 }, | |
1df4a510 JM |
385 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
386 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 387 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
55682965 JB |
388 | }; |
389 | ||
e31b8213 | 390 | /* policy for the key attributes */ |
b54452b0 | 391 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 392 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
393 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
394 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 395 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
396 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
397 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 398 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
399 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
400 | }; | |
401 | ||
402 | /* policy for the key default flags */ | |
403 | static const struct nla_policy | |
404 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
405 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
406 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
407 | }; |
408 | ||
ff1b6e69 JB |
409 | /* policy for WoWLAN attributes */ |
410 | static const struct nla_policy | |
411 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
412 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
413 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
414 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
415 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
416 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
417 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
418 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
419 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e JB |
420 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
421 | }; | |
422 | ||
423 | static const struct nla_policy | |
424 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
425 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
426 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
427 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
428 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
429 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
430 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
431 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
432 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
433 | }, | |
434 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
435 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
436 | }, | |
437 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
438 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
439 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
440 | }; |
441 | ||
be29b99a AK |
442 | /* policy for coalesce rule attributes */ |
443 | static const struct nla_policy | |
444 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
445 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
446 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
447 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
448 | }; | |
449 | ||
e5497d76 JB |
450 | /* policy for GTK rekey offload attributes */ |
451 | static const struct nla_policy | |
452 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
453 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
454 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
455 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
456 | }; | |
457 | ||
a1f1c21c LC |
458 | static const struct nla_policy |
459 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 460 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 461 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 462 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
463 | }; |
464 | ||
97990a06 JB |
465 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
466 | struct netlink_callback *cb, | |
467 | struct cfg80211_registered_device **rdev, | |
468 | struct wireless_dev **wdev) | |
a043897a | 469 | { |
97990a06 | 470 | int err; |
a043897a | 471 | |
97990a06 | 472 | rtnl_lock(); |
a043897a | 473 | |
97990a06 JB |
474 | if (!cb->args[0]) { |
475 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
476 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
477 | nl80211_policy); | |
478 | if (err) | |
479 | goto out_unlock; | |
67748893 | 480 | |
97990a06 JB |
481 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
482 | nl80211_fam.attrbuf); | |
483 | if (IS_ERR(*wdev)) { | |
484 | err = PTR_ERR(*wdev); | |
485 | goto out_unlock; | |
486 | } | |
487 | *rdev = wiphy_to_dev((*wdev)->wiphy); | |
c319d50b JB |
488 | /* 0 is the first index - add 1 to parse only once */ |
489 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
490 | cb->args[1] = (*wdev)->identifier; |
491 | } else { | |
c319d50b JB |
492 | /* subtract the 1 again here */ |
493 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 494 | struct wireless_dev *tmp; |
67748893 | 495 | |
97990a06 JB |
496 | if (!wiphy) { |
497 | err = -ENODEV; | |
498 | goto out_unlock; | |
499 | } | |
500 | *rdev = wiphy_to_dev(wiphy); | |
501 | *wdev = NULL; | |
67748893 | 502 | |
97990a06 JB |
503 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
504 | if (tmp->identifier == cb->args[1]) { | |
505 | *wdev = tmp; | |
506 | break; | |
507 | } | |
508 | } | |
67748893 | 509 | |
97990a06 JB |
510 | if (!*wdev) { |
511 | err = -ENODEV; | |
512 | goto out_unlock; | |
513 | } | |
67748893 JB |
514 | } |
515 | ||
67748893 | 516 | return 0; |
97990a06 | 517 | out_unlock: |
67748893 JB |
518 | rtnl_unlock(); |
519 | return err; | |
520 | } | |
521 | ||
97990a06 | 522 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 523 | { |
67748893 JB |
524 | rtnl_unlock(); |
525 | } | |
526 | ||
f4a11bb0 JB |
527 | /* IE validation */ |
528 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
529 | { | |
530 | const u8 *pos; | |
531 | int len; | |
532 | ||
533 | if (!attr) | |
534 | return true; | |
535 | ||
536 | pos = nla_data(attr); | |
537 | len = nla_len(attr); | |
538 | ||
539 | while (len) { | |
540 | u8 elemlen; | |
541 | ||
542 | if (len < 2) | |
543 | return false; | |
544 | len -= 2; | |
545 | ||
546 | elemlen = pos[1]; | |
547 | if (elemlen > len) | |
548 | return false; | |
549 | ||
550 | len -= elemlen; | |
551 | pos += 2 + elemlen; | |
552 | } | |
553 | ||
554 | return true; | |
555 | } | |
556 | ||
55682965 | 557 | /* message building helper */ |
15e47304 | 558 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
559 | int flags, u8 cmd) |
560 | { | |
561 | /* since there is no private header just add the generic one */ | |
15e47304 | 562 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
563 | } |
564 | ||
5dab3b8a | 565 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
566 | struct ieee80211_channel *chan, |
567 | bool large) | |
5dab3b8a | 568 | { |
9360ffd1 DM |
569 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
570 | chan->center_freq)) | |
571 | goto nla_put_failure; | |
5dab3b8a | 572 | |
9360ffd1 DM |
573 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
574 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
575 | goto nla_put_failure; | |
8fe02e16 LR |
576 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
577 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
578 | goto nla_put_failure; | |
579 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
580 | goto nla_put_failure; | |
581 | } | |
cdc89b97 JB |
582 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
583 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
584 | goto nla_put_failure; | |
585 | if (large) { | |
586 | u32 time; | |
587 | ||
588 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
589 | ||
590 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
591 | chan->dfs_state)) | |
592 | goto nla_put_failure; | |
593 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
594 | time)) | |
595 | goto nla_put_failure; | |
596 | } | |
597 | } | |
5dab3b8a | 598 | |
fe1abafd JB |
599 | if (large) { |
600 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
601 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
602 | goto nla_put_failure; | |
603 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
604 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
605 | goto nla_put_failure; | |
606 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
607 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
608 | goto nla_put_failure; | |
609 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
610 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
611 | goto nla_put_failure; | |
612 | } | |
613 | ||
9360ffd1 DM |
614 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
615 | DBM_TO_MBM(chan->max_power))) | |
616 | goto nla_put_failure; | |
5dab3b8a LR |
617 | |
618 | return 0; | |
619 | ||
620 | nla_put_failure: | |
621 | return -ENOBUFS; | |
622 | } | |
623 | ||
55682965 JB |
624 | /* netlink command implementations */ |
625 | ||
b9454e83 JB |
626 | struct key_parse { |
627 | struct key_params p; | |
628 | int idx; | |
e31b8213 | 629 | int type; |
b9454e83 | 630 | bool def, defmgmt; |
dbd2fd65 | 631 | bool def_uni, def_multi; |
b9454e83 JB |
632 | }; |
633 | ||
634 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
635 | { | |
636 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
637 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
638 | nl80211_key_policy); | |
639 | if (err) | |
640 | return err; | |
641 | ||
642 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
643 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
644 | ||
dbd2fd65 JB |
645 | if (k->def) { |
646 | k->def_uni = true; | |
647 | k->def_multi = true; | |
648 | } | |
649 | if (k->defmgmt) | |
650 | k->def_multi = true; | |
651 | ||
b9454e83 JB |
652 | if (tb[NL80211_KEY_IDX]) |
653 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
654 | ||
655 | if (tb[NL80211_KEY_DATA]) { | |
656 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
657 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
658 | } | |
659 | ||
660 | if (tb[NL80211_KEY_SEQ]) { | |
661 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
662 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
663 | } | |
664 | ||
665 | if (tb[NL80211_KEY_CIPHER]) | |
666 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
667 | ||
e31b8213 JB |
668 | if (tb[NL80211_KEY_TYPE]) { |
669 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
670 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
671 | return -EINVAL; | |
672 | } | |
673 | ||
dbd2fd65 JB |
674 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
675 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
676 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
677 | tb[NL80211_KEY_DEFAULT_TYPES], | |
678 | nl80211_key_default_policy); | |
dbd2fd65 JB |
679 | if (err) |
680 | return err; | |
681 | ||
682 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
683 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
684 | } | |
685 | ||
b9454e83 JB |
686 | return 0; |
687 | } | |
688 | ||
689 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
690 | { | |
691 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
692 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
693 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
694 | } | |
695 | ||
696 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
697 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
698 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
699 | } | |
700 | ||
701 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
702 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
703 | ||
704 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
705 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
706 | ||
707 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
708 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
709 | ||
dbd2fd65 JB |
710 | if (k->def) { |
711 | k->def_uni = true; | |
712 | k->def_multi = true; | |
713 | } | |
714 | if (k->defmgmt) | |
715 | k->def_multi = true; | |
716 | ||
e31b8213 JB |
717 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
718 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
719 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
720 | return -EINVAL; | |
721 | } | |
722 | ||
dbd2fd65 JB |
723 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
724 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
725 | int err = nla_parse_nested( | |
726 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
727 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
728 | nl80211_key_default_policy); | |
729 | if (err) | |
730 | return err; | |
731 | ||
732 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
733 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
734 | } | |
735 | ||
b9454e83 JB |
736 | return 0; |
737 | } | |
738 | ||
739 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
740 | { | |
741 | int err; | |
742 | ||
743 | memset(k, 0, sizeof(*k)); | |
744 | k->idx = -1; | |
e31b8213 | 745 | k->type = -1; |
b9454e83 JB |
746 | |
747 | if (info->attrs[NL80211_ATTR_KEY]) | |
748 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
749 | else | |
750 | err = nl80211_parse_key_old(info, k); | |
751 | ||
752 | if (err) | |
753 | return err; | |
754 | ||
755 | if (k->def && k->defmgmt) | |
756 | return -EINVAL; | |
757 | ||
dbd2fd65 JB |
758 | if (k->defmgmt) { |
759 | if (k->def_uni || !k->def_multi) | |
760 | return -EINVAL; | |
761 | } | |
762 | ||
b9454e83 JB |
763 | if (k->idx != -1) { |
764 | if (k->defmgmt) { | |
765 | if (k->idx < 4 || k->idx > 5) | |
766 | return -EINVAL; | |
767 | } else if (k->def) { | |
768 | if (k->idx < 0 || k->idx > 3) | |
769 | return -EINVAL; | |
770 | } else { | |
771 | if (k->idx < 0 || k->idx > 5) | |
772 | return -EINVAL; | |
773 | } | |
774 | } | |
775 | ||
776 | return 0; | |
777 | } | |
778 | ||
fffd0934 JB |
779 | static struct cfg80211_cached_keys * |
780 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 781 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
782 | { |
783 | struct key_parse parse; | |
784 | struct nlattr *key; | |
785 | struct cfg80211_cached_keys *result; | |
786 | int rem, err, def = 0; | |
787 | ||
788 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
789 | if (!result) | |
790 | return ERR_PTR(-ENOMEM); | |
791 | ||
792 | result->def = -1; | |
793 | result->defmgmt = -1; | |
794 | ||
795 | nla_for_each_nested(key, keys, rem) { | |
796 | memset(&parse, 0, sizeof(parse)); | |
797 | parse.idx = -1; | |
798 | ||
799 | err = nl80211_parse_key_new(key, &parse); | |
800 | if (err) | |
801 | goto error; | |
802 | err = -EINVAL; | |
803 | if (!parse.p.key) | |
804 | goto error; | |
805 | if (parse.idx < 0 || parse.idx > 4) | |
806 | goto error; | |
807 | if (parse.def) { | |
808 | if (def) | |
809 | goto error; | |
810 | def = 1; | |
811 | result->def = parse.idx; | |
dbd2fd65 JB |
812 | if (!parse.def_uni || !parse.def_multi) |
813 | goto error; | |
fffd0934 JB |
814 | } else if (parse.defmgmt) |
815 | goto error; | |
816 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 817 | parse.idx, false, NULL); |
fffd0934 JB |
818 | if (err) |
819 | goto error; | |
820 | result->params[parse.idx].cipher = parse.p.cipher; | |
821 | result->params[parse.idx].key_len = parse.p.key_len; | |
822 | result->params[parse.idx].key = result->data[parse.idx]; | |
823 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
824 | |
825 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
826 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
827 | if (no_ht) | |
828 | *no_ht = true; | |
829 | } | |
fffd0934 JB |
830 | } |
831 | ||
832 | return result; | |
833 | error: | |
834 | kfree(result); | |
835 | return ERR_PTR(err); | |
836 | } | |
837 | ||
838 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
839 | { | |
840 | ASSERT_WDEV_LOCK(wdev); | |
841 | ||
fffd0934 JB |
842 | switch (wdev->iftype) { |
843 | case NL80211_IFTYPE_AP: | |
844 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 845 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 846 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
847 | break; |
848 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 849 | case NL80211_IFTYPE_STATION: |
074ac8df | 850 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 851 | if (!wdev->current_bss) |
fffd0934 JB |
852 | return -ENOLINK; |
853 | break; | |
854 | default: | |
855 | return -EINVAL; | |
856 | } | |
857 | ||
858 | return 0; | |
859 | } | |
860 | ||
664834de JM |
861 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
862 | struct nlattr *tb) | |
863 | { | |
864 | struct ieee80211_channel *chan; | |
865 | ||
866 | if (tb == NULL) | |
867 | return NULL; | |
868 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
869 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
870 | return NULL; | |
871 | return chan; | |
872 | } | |
873 | ||
7527a782 JB |
874 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
875 | { | |
876 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
877 | int i; | |
878 | ||
879 | if (!nl_modes) | |
880 | goto nla_put_failure; | |
881 | ||
882 | i = 0; | |
883 | while (ifmodes) { | |
9360ffd1 DM |
884 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
885 | goto nla_put_failure; | |
7527a782 JB |
886 | ifmodes >>= 1; |
887 | i++; | |
888 | } | |
889 | ||
890 | nla_nest_end(msg, nl_modes); | |
891 | return 0; | |
892 | ||
893 | nla_put_failure: | |
894 | return -ENOBUFS; | |
895 | } | |
896 | ||
897 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
898 | struct sk_buff *msg, |
899 | bool large) | |
7527a782 JB |
900 | { |
901 | struct nlattr *nl_combis; | |
902 | int i, j; | |
903 | ||
904 | nl_combis = nla_nest_start(msg, | |
905 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
906 | if (!nl_combis) | |
907 | goto nla_put_failure; | |
908 | ||
909 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
910 | const struct ieee80211_iface_combination *c; | |
911 | struct nlattr *nl_combi, *nl_limits; | |
912 | ||
913 | c = &wiphy->iface_combinations[i]; | |
914 | ||
915 | nl_combi = nla_nest_start(msg, i + 1); | |
916 | if (!nl_combi) | |
917 | goto nla_put_failure; | |
918 | ||
919 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
920 | if (!nl_limits) | |
921 | goto nla_put_failure; | |
922 | ||
923 | for (j = 0; j < c->n_limits; j++) { | |
924 | struct nlattr *nl_limit; | |
925 | ||
926 | nl_limit = nla_nest_start(msg, j + 1); | |
927 | if (!nl_limit) | |
928 | goto nla_put_failure; | |
9360ffd1 DM |
929 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
930 | c->limits[j].max)) | |
931 | goto nla_put_failure; | |
7527a782 JB |
932 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
933 | c->limits[j].types)) | |
934 | goto nla_put_failure; | |
935 | nla_nest_end(msg, nl_limit); | |
936 | } | |
937 | ||
938 | nla_nest_end(msg, nl_limits); | |
939 | ||
9360ffd1 DM |
940 | if (c->beacon_int_infra_match && |
941 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
942 | goto nla_put_failure; | |
943 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
944 | c->num_different_channels) || | |
945 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
946 | c->max_interfaces)) | |
947 | goto nla_put_failure; | |
cdc89b97 JB |
948 | if (large && |
949 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, | |
950 | c->radar_detect_widths)) | |
951 | goto nla_put_failure; | |
7527a782 JB |
952 | |
953 | nla_nest_end(msg, nl_combi); | |
954 | } | |
955 | ||
956 | nla_nest_end(msg, nl_combis); | |
957 | ||
958 | return 0; | |
959 | nla_put_failure: | |
960 | return -ENOBUFS; | |
961 | } | |
962 | ||
3713b4e3 | 963 | #ifdef CONFIG_PM |
b56cf720 JB |
964 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
965 | struct sk_buff *msg) | |
966 | { | |
964dc9e2 | 967 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
968 | struct nlattr *nl_tcp; |
969 | ||
970 | if (!tcp) | |
971 | return 0; | |
972 | ||
973 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
974 | if (!nl_tcp) | |
975 | return -ENOBUFS; | |
976 | ||
977 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
978 | tcp->data_payload_max)) | |
979 | return -ENOBUFS; | |
980 | ||
981 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
982 | tcp->data_payload_max)) | |
983 | return -ENOBUFS; | |
984 | ||
985 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
986 | return -ENOBUFS; | |
987 | ||
988 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
989 | sizeof(*tcp->tok), tcp->tok)) | |
990 | return -ENOBUFS; | |
991 | ||
992 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
993 | tcp->data_interval_max)) | |
994 | return -ENOBUFS; | |
995 | ||
996 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
997 | tcp->wake_payload_max)) | |
998 | return -ENOBUFS; | |
999 | ||
1000 | nla_nest_end(msg, nl_tcp); | |
1001 | return 0; | |
1002 | } | |
1003 | ||
3713b4e3 | 1004 | static int nl80211_send_wowlan(struct sk_buff *msg, |
b56cf720 JB |
1005 | struct cfg80211_registered_device *dev, |
1006 | bool large) | |
55682965 | 1007 | { |
3713b4e3 | 1008 | struct nlattr *nl_wowlan; |
55682965 | 1009 | |
964dc9e2 | 1010 | if (!dev->wiphy.wowlan) |
3713b4e3 | 1011 | return 0; |
55682965 | 1012 | |
3713b4e3 JB |
1013 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1014 | if (!nl_wowlan) | |
1015 | return -ENOBUFS; | |
9360ffd1 | 1016 | |
964dc9e2 | 1017 | if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1018 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
964dc9e2 | 1019 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1020 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
964dc9e2 | 1021 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1022 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
964dc9e2 | 1023 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1024 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
964dc9e2 | 1025 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1026 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
964dc9e2 | 1027 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1028 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
964dc9e2 | 1029 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1030 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
964dc9e2 | 1031 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1032 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1033 | return -ENOBUFS; | |
9360ffd1 | 1034 | |
964dc9e2 | 1035 | if (dev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1036 | struct nl80211_pattern_support pat = { |
964dc9e2 JB |
1037 | .max_patterns = dev->wiphy.wowlan->n_patterns, |
1038 | .min_pattern_len = dev->wiphy.wowlan->pattern_min_len, | |
1039 | .max_pattern_len = dev->wiphy.wowlan->pattern_max_len, | |
1040 | .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1041 | }; |
9360ffd1 | 1042 | |
3713b4e3 JB |
1043 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1044 | sizeof(pat), &pat)) | |
1045 | return -ENOBUFS; | |
1046 | } | |
9360ffd1 | 1047 | |
b56cf720 JB |
1048 | if (large && nl80211_send_wowlan_tcp_caps(dev, msg)) |
1049 | return -ENOBUFS; | |
1050 | ||
3713b4e3 | 1051 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1052 | |
3713b4e3 JB |
1053 | return 0; |
1054 | } | |
1055 | #endif | |
9360ffd1 | 1056 | |
be29b99a AK |
1057 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1058 | struct cfg80211_registered_device *dev) | |
1059 | { | |
1060 | struct nl80211_coalesce_rule_support rule; | |
1061 | ||
1062 | if (!dev->wiphy.coalesce) | |
1063 | return 0; | |
1064 | ||
1065 | rule.max_rules = dev->wiphy.coalesce->n_rules; | |
1066 | rule.max_delay = dev->wiphy.coalesce->max_delay; | |
1067 | rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns; | |
1068 | rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len; | |
1069 | rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len; | |
1070 | rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset; | |
1071 | ||
1072 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1073 | return -ENOBUFS; | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
3713b4e3 JB |
1078 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1079 | struct ieee80211_supported_band *sband) | |
1080 | { | |
1081 | struct nlattr *nl_rates, *nl_rate; | |
1082 | struct ieee80211_rate *rate; | |
1083 | int i; | |
87bbbe22 | 1084 | |
3713b4e3 JB |
1085 | /* add HT info */ |
1086 | if (sband->ht_cap.ht_supported && | |
1087 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1088 | sizeof(sband->ht_cap.mcs), | |
1089 | &sband->ht_cap.mcs) || | |
1090 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1091 | sband->ht_cap.cap) || | |
1092 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1093 | sband->ht_cap.ampdu_factor) || | |
1094 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1095 | sband->ht_cap.ampdu_density))) | |
1096 | return -ENOBUFS; | |
afe0cbf8 | 1097 | |
3713b4e3 JB |
1098 | /* add VHT info */ |
1099 | if (sband->vht_cap.vht_supported && | |
1100 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1101 | sizeof(sband->vht_cap.vht_mcs), | |
1102 | &sband->vht_cap.vht_mcs) || | |
1103 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1104 | sband->vht_cap.cap))) | |
1105 | return -ENOBUFS; | |
f59ac048 | 1106 | |
3713b4e3 JB |
1107 | /* add bitrates */ |
1108 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1109 | if (!nl_rates) | |
1110 | return -ENOBUFS; | |
ee688b00 | 1111 | |
3713b4e3 JB |
1112 | for (i = 0; i < sband->n_bitrates; i++) { |
1113 | nl_rate = nla_nest_start(msg, i); | |
1114 | if (!nl_rate) | |
1115 | return -ENOBUFS; | |
ee688b00 | 1116 | |
3713b4e3 JB |
1117 | rate = &sband->bitrates[i]; |
1118 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1119 | rate->bitrate)) | |
1120 | return -ENOBUFS; | |
1121 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1122 | nla_put_flag(msg, | |
1123 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1124 | return -ENOBUFS; | |
ee688b00 | 1125 | |
3713b4e3 JB |
1126 | nla_nest_end(msg, nl_rate); |
1127 | } | |
d51626df | 1128 | |
3713b4e3 | 1129 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1130 | |
3713b4e3 JB |
1131 | return 0; |
1132 | } | |
ee688b00 | 1133 | |
3713b4e3 JB |
1134 | static int |
1135 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1136 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1137 | { | |
1138 | u16 stypes; | |
1139 | struct nlattr *nl_ftypes, *nl_ifs; | |
1140 | enum nl80211_iftype ift; | |
1141 | int i; | |
ee688b00 | 1142 | |
3713b4e3 JB |
1143 | if (!mgmt_stypes) |
1144 | return 0; | |
5dab3b8a | 1145 | |
3713b4e3 JB |
1146 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1147 | if (!nl_ifs) | |
1148 | return -ENOBUFS; | |
e2f367f2 | 1149 | |
3713b4e3 JB |
1150 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1151 | nl_ftypes = nla_nest_start(msg, ift); | |
1152 | if (!nl_ftypes) | |
1153 | return -ENOBUFS; | |
1154 | i = 0; | |
1155 | stypes = mgmt_stypes[ift].tx; | |
1156 | while (stypes) { | |
1157 | if ((stypes & 1) && | |
1158 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1159 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1160 | return -ENOBUFS; | |
1161 | stypes >>= 1; | |
1162 | i++; | |
ee688b00 | 1163 | } |
3713b4e3 JB |
1164 | nla_nest_end(msg, nl_ftypes); |
1165 | } | |
ee688b00 | 1166 | |
3713b4e3 | 1167 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1168 | |
3713b4e3 JB |
1169 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1170 | if (!nl_ifs) | |
1171 | return -ENOBUFS; | |
ee688b00 | 1172 | |
3713b4e3 JB |
1173 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1174 | nl_ftypes = nla_nest_start(msg, ift); | |
1175 | if (!nl_ftypes) | |
1176 | return -ENOBUFS; | |
1177 | i = 0; | |
1178 | stypes = mgmt_stypes[ift].rx; | |
1179 | while (stypes) { | |
1180 | if ((stypes & 1) && | |
1181 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1182 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1183 | return -ENOBUFS; | |
1184 | stypes >>= 1; | |
1185 | i++; | |
1186 | } | |
1187 | nla_nest_end(msg, nl_ftypes); | |
1188 | } | |
1189 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1190 | |
3713b4e3 JB |
1191 | return 0; |
1192 | } | |
ee688b00 | 1193 | |
86e8cf98 JB |
1194 | struct nl80211_dump_wiphy_state { |
1195 | s64 filter_wiphy; | |
1196 | long start; | |
1197 | long split_start, band_start, chan_start; | |
1198 | bool split; | |
1199 | }; | |
1200 | ||
3713b4e3 JB |
1201 | static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, |
1202 | struct sk_buff *msg, u32 portid, u32 seq, | |
86e8cf98 | 1203 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1204 | { |
1205 | void *hdr; | |
1206 | struct nlattr *nl_bands, *nl_band; | |
1207 | struct nlattr *nl_freqs, *nl_freq; | |
1208 | struct nlattr *nl_cmds; | |
1209 | enum ieee80211_band band; | |
1210 | struct ieee80211_channel *chan; | |
1211 | int i; | |
1212 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1213 | dev->wiphy.mgmt_stypes; | |
fe1abafd | 1214 | u32 features; |
ee688b00 | 1215 | |
3713b4e3 JB |
1216 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); |
1217 | if (!hdr) | |
1218 | return -ENOBUFS; | |
ee688b00 | 1219 | |
86e8cf98 JB |
1220 | if (WARN_ON(!state)) |
1221 | return -EINVAL; | |
ee688b00 | 1222 | |
3713b4e3 JB |
1223 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) || |
1224 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, | |
1225 | wiphy_name(&dev->wiphy)) || | |
1226 | nla_put_u32(msg, NL80211_ATTR_GENERATION, | |
1227 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1228 | goto nla_put_failure; |
1229 | ||
86e8cf98 | 1230 | switch (state->split_start) { |
3713b4e3 JB |
1231 | case 0: |
1232 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1233 | dev->wiphy.retry_short) || | |
1234 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
1235 | dev->wiphy.retry_long) || | |
1236 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
1237 | dev->wiphy.frag_threshold) || | |
1238 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
1239 | dev->wiphy.rts_threshold) || | |
1240 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, | |
1241 | dev->wiphy.coverage_class) || | |
1242 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, | |
1243 | dev->wiphy.max_scan_ssids) || | |
1244 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, | |
1245 | dev->wiphy.max_sched_scan_ssids) || | |
1246 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, | |
1247 | dev->wiphy.max_scan_ie_len) || | |
1248 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, | |
1249 | dev->wiphy.max_sched_scan_ie_len) || | |
1250 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, | |
1251 | dev->wiphy.max_match_sets)) | |
9360ffd1 | 1252 | goto nla_put_failure; |
3713b4e3 JB |
1253 | |
1254 | if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && | |
1255 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) | |
aa430da4 | 1256 | goto nla_put_failure; |
3713b4e3 JB |
1257 | if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
1258 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) | |
1259 | goto nla_put_failure; | |
1260 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
1261 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) | |
1262 | goto nla_put_failure; | |
1263 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && | |
1264 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) | |
1265 | goto nla_put_failure; | |
1266 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && | |
1267 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) | |
1268 | goto nla_put_failure; | |
1269 | if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && | |
1270 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) | |
9360ffd1 | 1271 | goto nla_put_failure; |
86e8cf98 JB |
1272 | state->split_start++; |
1273 | if (state->split) | |
3713b4e3 JB |
1274 | break; |
1275 | case 1: | |
1276 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1277 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
1278 | dev->wiphy.cipher_suites)) | |
1279 | goto nla_put_failure; | |
4745fc09 | 1280 | |
3713b4e3 JB |
1281 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1282 | dev->wiphy.max_num_pmkids)) | |
1283 | goto nla_put_failure; | |
b23aa676 | 1284 | |
3713b4e3 JB |
1285 | if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
1286 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) | |
9360ffd1 | 1287 | goto nla_put_failure; |
b23aa676 | 1288 | |
3713b4e3 JB |
1289 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1290 | dev->wiphy.available_antennas_tx) || | |
1291 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
1292 | dev->wiphy.available_antennas_rx)) | |
9360ffd1 | 1293 | goto nla_put_failure; |
b23aa676 | 1294 | |
3713b4e3 JB |
1295 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
1296 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
1297 | dev->wiphy.probe_resp_offload)) | |
1298 | goto nla_put_failure; | |
8fdc621d | 1299 | |
3713b4e3 JB |
1300 | if ((dev->wiphy.available_antennas_tx || |
1301 | dev->wiphy.available_antennas_rx) && | |
1302 | dev->ops->get_antenna) { | |
1303 | u32 tx_ant = 0, rx_ant = 0; | |
1304 | int res; | |
1305 | res = rdev_get_antenna(dev, &tx_ant, &rx_ant); | |
1306 | if (!res) { | |
1307 | if (nla_put_u32(msg, | |
1308 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1309 | tx_ant) || | |
1310 | nla_put_u32(msg, | |
1311 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1312 | rx_ant)) | |
1313 | goto nla_put_failure; | |
1314 | } | |
1315 | } | |
a293911d | 1316 | |
86e8cf98 JB |
1317 | state->split_start++; |
1318 | if (state->split) | |
3713b4e3 JB |
1319 | break; |
1320 | case 2: | |
1321 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1322 | dev->wiphy.interface_modes)) | |
1323 | goto nla_put_failure; | |
86e8cf98 JB |
1324 | state->split_start++; |
1325 | if (state->split) | |
3713b4e3 JB |
1326 | break; |
1327 | case 3: | |
1328 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1329 | if (!nl_bands) | |
1330 | goto nla_put_failure; | |
f7ca38df | 1331 | |
86e8cf98 JB |
1332 | for (band = state->band_start; |
1333 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1334 | struct ieee80211_supported_band *sband; |
2e161f78 | 1335 | |
3713b4e3 | 1336 | sband = dev->wiphy.bands[band]; |
2e161f78 | 1337 | |
3713b4e3 JB |
1338 | if (!sband) |
1339 | continue; | |
1340 | ||
1341 | nl_band = nla_nest_start(msg, band); | |
1342 | if (!nl_band) | |
2e161f78 | 1343 | goto nla_put_failure; |
3713b4e3 | 1344 | |
86e8cf98 | 1345 | switch (state->chan_start) { |
3713b4e3 JB |
1346 | case 0: |
1347 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1348 | goto nla_put_failure; |
86e8cf98 JB |
1349 | state->chan_start++; |
1350 | if (state->split) | |
3713b4e3 JB |
1351 | break; |
1352 | default: | |
1353 | /* add frequencies */ | |
1354 | nl_freqs = nla_nest_start( | |
1355 | msg, NL80211_BAND_ATTR_FREQS); | |
1356 | if (!nl_freqs) | |
1357 | goto nla_put_failure; | |
1358 | ||
86e8cf98 | 1359 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1360 | i < sband->n_channels; |
1361 | i++) { | |
1362 | nl_freq = nla_nest_start(msg, i); | |
1363 | if (!nl_freq) | |
1364 | goto nla_put_failure; | |
1365 | ||
1366 | chan = &sband->channels[i]; | |
1367 | ||
86e8cf98 JB |
1368 | if (nl80211_msg_put_channel( |
1369 | msg, chan, | |
1370 | state->split)) | |
3713b4e3 JB |
1371 | goto nla_put_failure; |
1372 | ||
1373 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1374 | if (state->split) |
3713b4e3 JB |
1375 | break; |
1376 | } | |
1377 | if (i < sband->n_channels) | |
86e8cf98 | 1378 | state->chan_start = i + 2; |
3713b4e3 | 1379 | else |
86e8cf98 | 1380 | state->chan_start = 0; |
3713b4e3 JB |
1381 | nla_nest_end(msg, nl_freqs); |
1382 | } | |
1383 | ||
1384 | nla_nest_end(msg, nl_band); | |
1385 | ||
86e8cf98 | 1386 | if (state->split) { |
3713b4e3 | 1387 | /* start again here */ |
86e8cf98 | 1388 | if (state->chan_start) |
3713b4e3 JB |
1389 | band--; |
1390 | break; | |
2e161f78 | 1391 | } |
2e161f78 | 1392 | } |
3713b4e3 | 1393 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1394 | |
3713b4e3 | 1395 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1396 | state->band_start = band + 1; |
3713b4e3 | 1397 | else |
86e8cf98 | 1398 | state->band_start = 0; |
74b70a4e | 1399 | |
3713b4e3 | 1400 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1401 | if (state->band_start == 0 && state->chan_start == 0) |
1402 | state->split_start++; | |
1403 | if (state->split) | |
3713b4e3 JB |
1404 | break; |
1405 | case 4: | |
1406 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1407 | if (!nl_cmds) | |
2e161f78 JB |
1408 | goto nla_put_failure; |
1409 | ||
3713b4e3 JB |
1410 | i = 0; |
1411 | #define CMD(op, n) \ | |
1412 | do { \ | |
1413 | if (dev->ops->op) { \ | |
1414 | i++; \ | |
1415 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1416 | goto nla_put_failure; \ | |
1417 | } \ | |
1418 | } while (0) | |
1419 | ||
1420 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1421 | CMD(change_virtual_intf, SET_INTERFACE); | |
1422 | CMD(add_key, NEW_KEY); | |
1423 | CMD(start_ap, START_AP); | |
1424 | CMD(add_station, NEW_STATION); | |
1425 | CMD(add_mpath, NEW_MPATH); | |
1426 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1427 | CMD(change_bss, SET_BSS); | |
1428 | CMD(auth, AUTHENTICATE); | |
1429 | CMD(assoc, ASSOCIATE); | |
1430 | CMD(deauth, DEAUTHENTICATE); | |
1431 | CMD(disassoc, DISASSOCIATE); | |
1432 | CMD(join_ibss, JOIN_IBSS); | |
1433 | CMD(join_mesh, JOIN_MESH); | |
1434 | CMD(set_pmksa, SET_PMKSA); | |
1435 | CMD(del_pmksa, DEL_PMKSA); | |
1436 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1437 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1438 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1439 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1440 | CMD(mgmt_tx, FRAME); | |
1441 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1442 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1443 | i++; | |
1444 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1445 | goto nla_put_failure; |
2e161f78 | 1446 | } |
3713b4e3 JB |
1447 | if (dev->ops->set_monitor_channel || dev->ops->start_ap || |
1448 | dev->ops->join_mesh) { | |
1449 | i++; | |
1450 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1451 | goto nla_put_failure; | |
1452 | } | |
1453 | CMD(set_wds_peer, SET_WDS_PEER); | |
1454 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1455 | CMD(tdls_mgmt, TDLS_MGMT); | |
1456 | CMD(tdls_oper, TDLS_OPER); | |
1457 | } | |
1458 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
1459 | CMD(sched_scan_start, START_SCHED_SCAN); | |
1460 | CMD(probe_client, PROBE_CLIENT); | |
1461 | CMD(set_noack_map, SET_NOACK_MAP); | |
1462 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1463 | i++; | |
1464 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1465 | goto nla_put_failure; | |
1466 | } | |
1467 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1468 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
86e8cf98 | 1469 | if (state->split) { |
5de17984 AS |
1470 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1471 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
16ef1fe2 SW |
1472 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
1473 | CMD(channel_switch, CHANNEL_SWITCH); | |
5de17984 | 1474 | } |
fa9ffc74 | 1475 | CMD(set_qos_map, SET_QOS_MAP); |
2e161f78 | 1476 | |
3713b4e3 JB |
1477 | #ifdef CONFIG_NL80211_TESTMODE |
1478 | CMD(testmode_cmd, TESTMODE); | |
1479 | #endif | |
ff1b6e69 | 1480 | |
3713b4e3 | 1481 | #undef CMD |
ff1b6e69 | 1482 | |
3713b4e3 JB |
1483 | if (dev->ops->connect || dev->ops->auth) { |
1484 | i++; | |
1485 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1486 | goto nla_put_failure; |
ff1b6e69 JB |
1487 | } |
1488 | ||
3713b4e3 JB |
1489 | if (dev->ops->disconnect || dev->ops->deauth) { |
1490 | i++; | |
1491 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1492 | goto nla_put_failure; | |
1493 | } | |
1494 | ||
1495 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1496 | state->split_start++; |
1497 | if (state->split) | |
3713b4e3 JB |
1498 | break; |
1499 | case 5: | |
1500 | if (dev->ops->remain_on_channel && | |
1501 | (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
1502 | nla_put_u32(msg, | |
1503 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1504 | dev->wiphy.max_remain_on_channel_duration)) | |
1505 | goto nla_put_failure; | |
1506 | ||
1507 | if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && | |
1508 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) | |
1509 | goto nla_put_failure; | |
1510 | ||
1511 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1512 | goto nla_put_failure; | |
86e8cf98 JB |
1513 | state->split_start++; |
1514 | if (state->split) | |
3713b4e3 JB |
1515 | break; |
1516 | case 6: | |
1517 | #ifdef CONFIG_PM | |
86e8cf98 | 1518 | if (nl80211_send_wowlan(msg, dev, state->split)) |
3713b4e3 | 1519 | goto nla_put_failure; |
86e8cf98 JB |
1520 | state->split_start++; |
1521 | if (state->split) | |
3713b4e3 JB |
1522 | break; |
1523 | #else | |
86e8cf98 | 1524 | state->split_start++; |
dfb89c56 | 1525 | #endif |
3713b4e3 JB |
1526 | case 7: |
1527 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1528 | dev->wiphy.software_iftypes)) | |
1529 | goto nla_put_failure; | |
ff1b6e69 | 1530 | |
86e8cf98 JB |
1531 | if (nl80211_put_iface_combinations(&dev->wiphy, msg, |
1532 | state->split)) | |
3713b4e3 | 1533 | goto nla_put_failure; |
7527a782 | 1534 | |
86e8cf98 JB |
1535 | state->split_start++; |
1536 | if (state->split) | |
3713b4e3 JB |
1537 | break; |
1538 | case 8: | |
1539 | if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && | |
1540 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1541 | dev->wiphy.ap_sme_capa)) | |
1542 | goto nla_put_failure; | |
7527a782 | 1543 | |
fe1abafd JB |
1544 | features = dev->wiphy.features; |
1545 | /* | |
1546 | * We can only add the per-channel limit information if the | |
1547 | * dump is split, otherwise it makes it too big. Therefore | |
1548 | * only advertise it in that case. | |
1549 | */ | |
86e8cf98 | 1550 | if (state->split) |
fe1abafd JB |
1551 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1552 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1553 | goto nla_put_failure; |
562a7480 | 1554 | |
3713b4e3 JB |
1555 | if (dev->wiphy.ht_capa_mod_mask && |
1556 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1557 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1558 | dev->wiphy.ht_capa_mod_mask)) | |
1559 | goto nla_put_failure; | |
1f074bd8 | 1560 | |
3713b4e3 JB |
1561 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1562 | dev->wiphy.max_acl_mac_addrs && | |
1563 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, | |
1564 | dev->wiphy.max_acl_mac_addrs)) | |
1565 | goto nla_put_failure; | |
7e7c8926 | 1566 | |
3713b4e3 JB |
1567 | /* |
1568 | * Any information below this point is only available to | |
1569 | * applications that can deal with it being split. This | |
1570 | * helps ensure that newly added capabilities don't break | |
1571 | * older tools by overrunning their buffers. | |
1572 | * | |
1573 | * We still increment split_start so that in the split | |
1574 | * case we'll continue with more data in the next round, | |
1575 | * but break unconditionally so unsplit data stops here. | |
1576 | */ | |
86e8cf98 | 1577 | state->split_start++; |
3713b4e3 JB |
1578 | break; |
1579 | case 9: | |
fe1abafd JB |
1580 | if (dev->wiphy.extended_capabilities && |
1581 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1582 | dev->wiphy.extended_capabilities_len, | |
1583 | dev->wiphy.extended_capabilities) || | |
1584 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1585 | dev->wiphy.extended_capabilities_len, | |
1586 | dev->wiphy.extended_capabilities_mask))) | |
1587 | goto nla_put_failure; | |
a50df0c4 | 1588 | |
ee2aca34 JB |
1589 | if (dev->wiphy.vht_capa_mod_mask && |
1590 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, | |
1591 | sizeof(*dev->wiphy.vht_capa_mod_mask), | |
1592 | dev->wiphy.vht_capa_mod_mask)) | |
1593 | goto nla_put_failure; | |
1594 | ||
be29b99a AK |
1595 | state->split_start++; |
1596 | break; | |
1597 | case 10: | |
1598 | if (nl80211_send_coalesce(msg, dev)) | |
1599 | goto nla_put_failure; | |
1600 | ||
01e0daa4 FF |
1601 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
1602 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || | |
1603 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1604 | goto nla_put_failure; | |
b43504cf JM |
1605 | |
1606 | if (dev->wiphy.max_ap_assoc_sta && | |
1607 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, | |
1608 | dev->wiphy.max_ap_assoc_sta)) | |
1609 | goto nla_put_failure; | |
1610 | ||
ad7e718c JB |
1611 | state->split_start++; |
1612 | break; | |
1613 | case 11: | |
567ffc35 JB |
1614 | if (dev->wiphy.n_vendor_commands) { |
1615 | const struct nl80211_vendor_cmd_info *info; | |
1616 | struct nlattr *nested; | |
1617 | ||
1618 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1619 | if (!nested) | |
1620 | goto nla_put_failure; | |
1621 | ||
1622 | for (i = 0; i < dev->wiphy.n_vendor_commands; i++) { | |
1623 | info = &dev->wiphy.vendor_commands[i].info; | |
1624 | if (nla_put(msg, i + 1, sizeof(*info), info)) | |
1625 | goto nla_put_failure; | |
1626 | } | |
1627 | nla_nest_end(msg, nested); | |
1628 | } | |
1629 | ||
1630 | if (dev->wiphy.n_vendor_events) { | |
1631 | const struct nl80211_vendor_cmd_info *info; | |
1632 | struct nlattr *nested; | |
ad7e718c | 1633 | |
567ffc35 JB |
1634 | nested = nla_nest_start(msg, |
1635 | NL80211_ATTR_VENDOR_EVENTS); | |
1636 | if (!nested) | |
ad7e718c | 1637 | goto nla_put_failure; |
567ffc35 JB |
1638 | |
1639 | for (i = 0; i < dev->wiphy.n_vendor_events; i++) { | |
1640 | info = &dev->wiphy.vendor_events[i]; | |
1641 | if (nla_put(msg, i + 1, sizeof(*info), info)) | |
1642 | goto nla_put_failure; | |
1643 | } | |
1644 | nla_nest_end(msg, nested); | |
1645 | } | |
01e0daa4 | 1646 | |
3713b4e3 | 1647 | /* done */ |
86e8cf98 | 1648 | state->split_start = 0; |
3713b4e3 JB |
1649 | break; |
1650 | } | |
55682965 JB |
1651 | return genlmsg_end(msg, hdr); |
1652 | ||
1653 | nla_put_failure: | |
bc3ed28c TG |
1654 | genlmsg_cancel(msg, hdr); |
1655 | return -EMSGSIZE; | |
55682965 JB |
1656 | } |
1657 | ||
86e8cf98 JB |
1658 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1659 | struct netlink_callback *cb, | |
1660 | struct nl80211_dump_wiphy_state *state) | |
1661 | { | |
1662 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1663 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1664 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1665 | /* ignore parse errors for backward compatibility */ | |
1666 | if (ret) | |
1667 | return 0; | |
1668 | ||
1669 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1670 | if (tb[NL80211_ATTR_WIPHY]) | |
1671 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1672 | if (tb[NL80211_ATTR_WDEV]) | |
1673 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1674 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1675 | struct net_device *netdev; | |
1676 | struct cfg80211_registered_device *rdev; | |
1677 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1678 | ||
7f2b8562 | 1679 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1680 | if (!netdev) |
1681 | return -ENODEV; | |
1682 | if (netdev->ieee80211_ptr) { | |
1683 | rdev = wiphy_to_dev( | |
1684 | netdev->ieee80211_ptr->wiphy); | |
1685 | state->filter_wiphy = rdev->wiphy_idx; | |
1686 | } | |
86e8cf98 JB |
1687 | } |
1688 | ||
1689 | return 0; | |
1690 | } | |
1691 | ||
55682965 JB |
1692 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1693 | { | |
645e77de | 1694 | int idx = 0, ret; |
86e8cf98 | 1695 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
55682965 | 1696 | struct cfg80211_registered_device *dev; |
3a5a423b | 1697 | |
5fe231e8 | 1698 | rtnl_lock(); |
86e8cf98 JB |
1699 | if (!state) { |
1700 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1701 | if (!state) { |
1702 | rtnl_unlock(); | |
86e8cf98 | 1703 | return -ENOMEM; |
3713b4e3 | 1704 | } |
86e8cf98 JB |
1705 | state->filter_wiphy = -1; |
1706 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1707 | if (ret) { | |
1708 | kfree(state); | |
1709 | rtnl_unlock(); | |
1710 | return ret; | |
3713b4e3 | 1711 | } |
86e8cf98 | 1712 | cb->args[0] = (long)state; |
3713b4e3 JB |
1713 | } |
1714 | ||
79c97e97 | 1715 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1716 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1717 | continue; | |
86e8cf98 | 1718 | if (++idx <= state->start) |
55682965 | 1719 | continue; |
86e8cf98 JB |
1720 | if (state->filter_wiphy != -1 && |
1721 | state->filter_wiphy != dev->wiphy_idx) | |
3713b4e3 JB |
1722 | continue; |
1723 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1724 | do { | |
1725 | ret = nl80211_send_wiphy(dev, skb, | |
1726 | NETLINK_CB(cb->skb).portid, | |
1727 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1728 | NLM_F_MULTI, state); |
3713b4e3 JB |
1729 | if (ret < 0) { |
1730 | /* | |
1731 | * If sending the wiphy data didn't fit (ENOBUFS | |
1732 | * or EMSGSIZE returned), this SKB is still | |
1733 | * empty (so it's not too big because another | |
1734 | * wiphy dataset is already in the skb) and | |
1735 | * we've not tried to adjust the dump allocation | |
1736 | * yet ... then adjust the alloc size to be | |
1737 | * bigger, and return 1 but with the empty skb. | |
1738 | * This results in an empty message being RX'ed | |
1739 | * in userspace, but that is ignored. | |
1740 | * | |
1741 | * We can then retry with the larger buffer. | |
1742 | */ | |
1743 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1744 | !skb->len && !state->split && |
3713b4e3 JB |
1745 | cb->min_dump_alloc < 4096) { |
1746 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1747 | state->split_start = 0; |
d98cae64 | 1748 | rtnl_unlock(); |
3713b4e3 JB |
1749 | return 1; |
1750 | } | |
1751 | idx--; | |
1752 | break; | |
645e77de | 1753 | } |
86e8cf98 | 1754 | } while (state->split_start > 0); |
3713b4e3 | 1755 | break; |
55682965 | 1756 | } |
5fe231e8 | 1757 | rtnl_unlock(); |
55682965 | 1758 | |
86e8cf98 | 1759 | state->start = idx; |
55682965 JB |
1760 | |
1761 | return skb->len; | |
1762 | } | |
1763 | ||
86e8cf98 JB |
1764 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1765 | { | |
1766 | kfree((void *)cb->args[0]); | |
1767 | return 0; | |
1768 | } | |
1769 | ||
55682965 JB |
1770 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1771 | { | |
1772 | struct sk_buff *msg; | |
4c476991 | 1773 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
86e8cf98 | 1774 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1775 | |
645e77de | 1776 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1777 | if (!msg) |
4c476991 | 1778 | return -ENOMEM; |
55682965 | 1779 | |
3713b4e3 | 1780 | if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0, |
86e8cf98 | 1781 | &state) < 0) { |
4c476991 JB |
1782 | nlmsg_free(msg); |
1783 | return -ENOBUFS; | |
1784 | } | |
55682965 | 1785 | |
134e6375 | 1786 | return genlmsg_reply(msg, info); |
55682965 JB |
1787 | } |
1788 | ||
31888487 JM |
1789 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1790 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1791 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1792 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1793 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1794 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1795 | }; | |
1796 | ||
1797 | static int parse_txq_params(struct nlattr *tb[], | |
1798 | struct ieee80211_txq_params *txq_params) | |
1799 | { | |
a3304b0a | 1800 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1801 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1802 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1803 | return -EINVAL; | |
1804 | ||
a3304b0a | 1805 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1806 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1807 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1808 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1809 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1810 | ||
a3304b0a JB |
1811 | if (txq_params->ac >= NL80211_NUM_ACS) |
1812 | return -EINVAL; | |
1813 | ||
31888487 JM |
1814 | return 0; |
1815 | } | |
1816 | ||
f444de05 JB |
1817 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1818 | { | |
1819 | /* | |
cc1d2806 JB |
1820 | * You can only set the channel explicitly for WDS interfaces, |
1821 | * all others have their channel managed via their respective | |
1822 | * "establish a connection" command (connect, join, ...) | |
1823 | * | |
1824 | * For AP/GO and mesh mode, the channel can be set with the | |
1825 | * channel userspace API, but is only stored and passed to the | |
1826 | * low-level driver when the AP starts or the mesh is joined. | |
1827 | * This is for backward compatibility, userspace can also give | |
1828 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1829 | * |
1830 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1831 | * whatever else is going on, so they have their own special |
1832 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1833 | */ |
1834 | return !wdev || | |
1835 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1836 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1837 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1838 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1839 | } |
1840 | ||
683b6d3b JB |
1841 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1842 | struct genl_info *info, | |
1843 | struct cfg80211_chan_def *chandef) | |
1844 | { | |
dbeca2ea | 1845 | u32 control_freq; |
683b6d3b JB |
1846 | |
1847 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1848 | return -EINVAL; | |
1849 | ||
1850 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1851 | ||
1852 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1853 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1854 | chandef->center_freq1 = control_freq; | |
1855 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1856 | |
1857 | /* Primary channel not allowed */ | |
1858 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1859 | return -EINVAL; | |
1860 | ||
3d9d1d66 JB |
1861 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1862 | enum nl80211_channel_type chantype; | |
1863 | ||
1864 | chantype = nla_get_u32( | |
1865 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1866 | ||
1867 | switch (chantype) { | |
1868 | case NL80211_CHAN_NO_HT: | |
1869 | case NL80211_CHAN_HT20: | |
1870 | case NL80211_CHAN_HT40PLUS: | |
1871 | case NL80211_CHAN_HT40MINUS: | |
1872 | cfg80211_chandef_create(chandef, chandef->chan, | |
1873 | chantype); | |
1874 | break; | |
1875 | default: | |
1876 | return -EINVAL; | |
1877 | } | |
1878 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1879 | chandef->width = | |
1880 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1881 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1882 | chandef->center_freq1 = | |
1883 | nla_get_u32( | |
1884 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1885 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1886 | chandef->center_freq2 = | |
1887 | nla_get_u32( | |
1888 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1889 | } | |
1890 | ||
9f5e8f6e | 1891 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1892 | return -EINVAL; |
1893 | ||
9f5e8f6e JB |
1894 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1895 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1896 | return -EINVAL; |
1897 | ||
2f301ab2 SW |
1898 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1899 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1900 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1901 | return -EINVAL; | |
1902 | ||
683b6d3b JB |
1903 | return 0; |
1904 | } | |
1905 | ||
f444de05 JB |
1906 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
1907 | struct wireless_dev *wdev, | |
1908 | struct genl_info *info) | |
1909 | { | |
683b6d3b | 1910 | struct cfg80211_chan_def chandef; |
f444de05 | 1911 | int result; |
e8c9bd5b JB |
1912 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
1913 | ||
1914 | if (wdev) | |
1915 | iftype = wdev->iftype; | |
f444de05 | 1916 | |
f444de05 JB |
1917 | if (!nl80211_can_set_dev_channel(wdev)) |
1918 | return -EOPNOTSUPP; | |
1919 | ||
683b6d3b JB |
1920 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1921 | if (result) | |
1922 | return result; | |
f444de05 | 1923 | |
e8c9bd5b | 1924 | switch (iftype) { |
aa430da4 JB |
1925 | case NL80211_IFTYPE_AP: |
1926 | case NL80211_IFTYPE_P2P_GO: | |
1927 | if (wdev->beacon_interval) { | |
1928 | result = -EBUSY; | |
1929 | break; | |
1930 | } | |
683b6d3b | 1931 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) { |
aa430da4 JB |
1932 | result = -EINVAL; |
1933 | break; | |
1934 | } | |
683b6d3b | 1935 | wdev->preset_chandef = chandef; |
aa430da4 JB |
1936 | result = 0; |
1937 | break; | |
cc1d2806 | 1938 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 1939 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 1940 | break; |
e8c9bd5b | 1941 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 1942 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 1943 | break; |
aa430da4 | 1944 | default: |
e8c9bd5b | 1945 | result = -EINVAL; |
f444de05 | 1946 | } |
f444de05 JB |
1947 | |
1948 | return result; | |
1949 | } | |
1950 | ||
1951 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1952 | { | |
4c476991 JB |
1953 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1954 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1955 | |
4c476991 | 1956 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1957 | } |
1958 | ||
e8347eba BJ |
1959 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1960 | { | |
43b19952 JB |
1961 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1962 | struct net_device *dev = info->user_ptr[1]; | |
1963 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1964 | const u8 *bssid; |
e8347eba BJ |
1965 | |
1966 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1967 | return -EINVAL; | |
1968 | ||
43b19952 JB |
1969 | if (netif_running(dev)) |
1970 | return -EBUSY; | |
e8347eba | 1971 | |
43b19952 JB |
1972 | if (!rdev->ops->set_wds_peer) |
1973 | return -EOPNOTSUPP; | |
e8347eba | 1974 | |
43b19952 JB |
1975 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1976 | return -EOPNOTSUPP; | |
e8347eba BJ |
1977 | |
1978 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 1979 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
1980 | } |
1981 | ||
1982 | ||
55682965 JB |
1983 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1984 | { | |
1985 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1986 | struct net_device *netdev = NULL; |
1987 | struct wireless_dev *wdev; | |
a1e567c8 | 1988 | int result = 0, rem_txq_params = 0; |
31888487 | 1989 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1990 | u32 changed; |
1991 | u8 retry_short = 0, retry_long = 0; | |
1992 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1993 | u8 coverage_class = 0; |
55682965 | 1994 | |
5fe231e8 JB |
1995 | ASSERT_RTNL(); |
1996 | ||
f444de05 JB |
1997 | /* |
1998 | * Try to find the wiphy and netdev. Normally this | |
1999 | * function shouldn't need the netdev, but this is | |
2000 | * done for backward compatibility -- previously | |
2001 | * setting the channel was done per wiphy, but now | |
2002 | * it is per netdev. Previous userland like hostapd | |
2003 | * also passed a netdev to set_wiphy, so that it is | |
2004 | * possible to let that go to the right netdev! | |
2005 | */ | |
4bbf4d56 | 2006 | |
f444de05 JB |
2007 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2008 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2009 | ||
7f2b8562 | 2010 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2011 | if (netdev && netdev->ieee80211_ptr) |
f444de05 | 2012 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2013 | else |
f444de05 | 2014 | netdev = NULL; |
4bbf4d56 JB |
2015 | } |
2016 | ||
f444de05 | 2017 | if (!netdev) { |
878d9ec7 JB |
2018 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2019 | info->attrs); | |
5fe231e8 | 2020 | if (IS_ERR(rdev)) |
4c476991 | 2021 | return PTR_ERR(rdev); |
f444de05 JB |
2022 | wdev = NULL; |
2023 | netdev = NULL; | |
2024 | result = 0; | |
71fe96bf | 2025 | } else |
f444de05 | 2026 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2027 | |
2028 | /* | |
2029 | * end workaround code, by now the rdev is available | |
2030 | * and locked, and wdev may or may not be NULL. | |
2031 | */ | |
4bbf4d56 JB |
2032 | |
2033 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2034 | result = cfg80211_dev_rename( |
2035 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2036 | |
4bbf4d56 | 2037 | if (result) |
7f2b8562 | 2038 | return result; |
31888487 JM |
2039 | |
2040 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2041 | struct ieee80211_txq_params txq_params; | |
2042 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2043 | ||
7f2b8562 YX |
2044 | if (!rdev->ops->set_txq_params) |
2045 | return -EOPNOTSUPP; | |
31888487 | 2046 | |
7f2b8562 YX |
2047 | if (!netdev) |
2048 | return -EINVAL; | |
f70f01c2 | 2049 | |
133a3ff2 | 2050 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2051 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2052 | return -EINVAL; | |
133a3ff2 | 2053 | |
7f2b8562 YX |
2054 | if (!netif_running(netdev)) |
2055 | return -ENETDOWN; | |
2b5f8b0b | 2056 | |
31888487 JM |
2057 | nla_for_each_nested(nl_txq_params, |
2058 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2059 | rem_txq_params) { | |
ae811e21 JB |
2060 | result = nla_parse(tb, NL80211_TXQ_ATTR_MAX, |
2061 | nla_data(nl_txq_params), | |
2062 | nla_len(nl_txq_params), | |
2063 | txq_params_policy); | |
2064 | if (result) | |
2065 | return result; | |
31888487 JM |
2066 | result = parse_txq_params(tb, &txq_params); |
2067 | if (result) | |
7f2b8562 | 2068 | return result; |
31888487 | 2069 | |
e35e4d28 HG |
2070 | result = rdev_set_txq_params(rdev, netdev, |
2071 | &txq_params); | |
31888487 | 2072 | if (result) |
7f2b8562 | 2073 | return result; |
31888487 JM |
2074 | } |
2075 | } | |
55682965 | 2076 | |
72bdcf34 | 2077 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
71fe96bf JB |
2078 | result = __nl80211_set_channel(rdev, |
2079 | nl80211_can_set_dev_channel(wdev) ? wdev : NULL, | |
2080 | info); | |
72bdcf34 | 2081 | if (result) |
7f2b8562 | 2082 | return result; |
72bdcf34 JM |
2083 | } |
2084 | ||
98d2ff8b | 2085 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2086 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2087 | enum nl80211_tx_power_setting type; |
2088 | int idx, mbm = 0; | |
2089 | ||
c8442118 JB |
2090 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2091 | txp_wdev = NULL; | |
2092 | ||
7f2b8562 YX |
2093 | if (!rdev->ops->set_tx_power) |
2094 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2095 | |
2096 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2097 | type = nla_get_u32(info->attrs[idx]); | |
2098 | ||
2099 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2100 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2101 | return -EINVAL; | |
98d2ff8b JO |
2102 | |
2103 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2104 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2105 | mbm = nla_get_u32(info->attrs[idx]); | |
2106 | } | |
2107 | ||
c8442118 | 2108 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2109 | if (result) |
7f2b8562 | 2110 | return result; |
98d2ff8b JO |
2111 | } |
2112 | ||
afe0cbf8 BR |
2113 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2114 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2115 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2116 | if ((!rdev->wiphy.available_antennas_tx && |
2117 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2118 | !rdev->ops->set_antenna) |
2119 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2120 | |
2121 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2122 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2123 | ||
a7ffac95 | 2124 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2125 | * available antenna masks, except for the "all" mask */ |
2126 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2127 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2128 | return -EINVAL; | |
a7ffac95 | 2129 | |
7f531e03 BR |
2130 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2131 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2132 | |
e35e4d28 | 2133 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2134 | if (result) |
7f2b8562 | 2135 | return result; |
afe0cbf8 BR |
2136 | } |
2137 | ||
b9a5f8ca JM |
2138 | changed = 0; |
2139 | ||
2140 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2141 | retry_short = nla_get_u8( | |
2142 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2143 | if (retry_short == 0) |
2144 | return -EINVAL; | |
2145 | ||
b9a5f8ca JM |
2146 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2147 | } | |
2148 | ||
2149 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2150 | retry_long = nla_get_u8( | |
2151 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2152 | if (retry_long == 0) |
2153 | return -EINVAL; | |
2154 | ||
b9a5f8ca JM |
2155 | changed |= WIPHY_PARAM_RETRY_LONG; |
2156 | } | |
2157 | ||
2158 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2159 | frag_threshold = nla_get_u32( | |
2160 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2161 | if (frag_threshold < 256) |
2162 | return -EINVAL; | |
2163 | ||
b9a5f8ca JM |
2164 | if (frag_threshold != (u32) -1) { |
2165 | /* | |
2166 | * Fragments (apart from the last one) are required to | |
2167 | * have even length. Make the fragmentation code | |
2168 | * simpler by stripping LSB should someone try to use | |
2169 | * odd threshold value. | |
2170 | */ | |
2171 | frag_threshold &= ~0x1; | |
2172 | } | |
2173 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2174 | } | |
2175 | ||
2176 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2177 | rts_threshold = nla_get_u32( | |
2178 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2179 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2180 | } | |
2181 | ||
81077e82 LT |
2182 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
2183 | coverage_class = nla_get_u8( | |
2184 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2185 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2186 | } | |
2187 | ||
b9a5f8ca JM |
2188 | if (changed) { |
2189 | u8 old_retry_short, old_retry_long; | |
2190 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2191 | u8 old_coverage_class; |
b9a5f8ca | 2192 | |
7f2b8562 YX |
2193 | if (!rdev->ops->set_wiphy_params) |
2194 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2195 | |
2196 | old_retry_short = rdev->wiphy.retry_short; | |
2197 | old_retry_long = rdev->wiphy.retry_long; | |
2198 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2199 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2200 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2201 | |
2202 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2203 | rdev->wiphy.retry_short = retry_short; | |
2204 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2205 | rdev->wiphy.retry_long = retry_long; | |
2206 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2207 | rdev->wiphy.frag_threshold = frag_threshold; | |
2208 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2209 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2210 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2211 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2212 | |
e35e4d28 | 2213 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2214 | if (result) { |
2215 | rdev->wiphy.retry_short = old_retry_short; | |
2216 | rdev->wiphy.retry_long = old_retry_long; | |
2217 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2218 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2219 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2220 | } |
2221 | } | |
7f2b8562 | 2222 | return 0; |
55682965 JB |
2223 | } |
2224 | ||
71bbc994 JB |
2225 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2226 | { | |
2227 | return (u64)wdev->identifier | | |
2228 | ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); | |
2229 | } | |
55682965 | 2230 | |
683b6d3b | 2231 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2232 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2233 | { |
9f5e8f6e | 2234 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2235 | |
683b6d3b JB |
2236 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2237 | chandef->chan->center_freq)) | |
2238 | return -ENOBUFS; | |
3d9d1d66 JB |
2239 | switch (chandef->width) { |
2240 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2241 | case NL80211_CHAN_WIDTH_20: | |
2242 | case NL80211_CHAN_WIDTH_40: | |
2243 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2244 | cfg80211_get_chandef_type(chandef))) | |
2245 | return -ENOBUFS; | |
2246 | break; | |
2247 | default: | |
2248 | break; | |
2249 | } | |
2250 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2251 | return -ENOBUFS; | |
2252 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2253 | return -ENOBUFS; | |
2254 | if (chandef->center_freq2 && | |
2255 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2256 | return -ENOBUFS; |
2257 | return 0; | |
2258 | } | |
2259 | ||
15e47304 | 2260 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2261 | struct cfg80211_registered_device *rdev, |
72fb2abc | 2262 | struct wireless_dev *wdev) |
55682965 | 2263 | { |
72fb2abc | 2264 | struct net_device *dev = wdev->netdev; |
55682965 JB |
2265 | void *hdr; |
2266 | ||
15e47304 | 2267 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
2268 | if (!hdr) |
2269 | return -1; | |
2270 | ||
72fb2abc JB |
2271 | if (dev && |
2272 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2273 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2274 | goto nla_put_failure; |
2275 | ||
2276 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2277 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2278 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2279 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2280 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2281 | rdev->devlist_generation ^ | |
2282 | (cfg80211_rdev_list_generation << 2))) | |
2283 | goto nla_put_failure; | |
f5ea9120 | 2284 | |
5b7ccaf3 | 2285 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2286 | int ret; |
2287 | struct cfg80211_chan_def chandef; | |
2288 | ||
2289 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2290 | if (ret == 0) { | |
2291 | if (nl80211_send_chandef(msg, &chandef)) | |
2292 | goto nla_put_failure; | |
2293 | } | |
d91df0e3 PF |
2294 | } |
2295 | ||
b84e7a05 AQ |
2296 | if (wdev->ssid_len) { |
2297 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2298 | goto nla_put_failure; | |
2299 | } | |
2300 | ||
55682965 JB |
2301 | return genlmsg_end(msg, hdr); |
2302 | ||
2303 | nla_put_failure: | |
bc3ed28c TG |
2304 | genlmsg_cancel(msg, hdr); |
2305 | return -EMSGSIZE; | |
55682965 JB |
2306 | } |
2307 | ||
2308 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2309 | { | |
2310 | int wp_idx = 0; | |
2311 | int if_idx = 0; | |
2312 | int wp_start = cb->args[0]; | |
2313 | int if_start = cb->args[1]; | |
f5ea9120 | 2314 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2315 | struct wireless_dev *wdev; |
2316 | ||
5fe231e8 | 2317 | rtnl_lock(); |
f5ea9120 JB |
2318 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2319 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2320 | continue; |
bba95fef JB |
2321 | if (wp_idx < wp_start) { |
2322 | wp_idx++; | |
55682965 | 2323 | continue; |
bba95fef | 2324 | } |
55682965 JB |
2325 | if_idx = 0; |
2326 | ||
89a54e48 | 2327 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2328 | if (if_idx < if_start) { |
2329 | if_idx++; | |
55682965 | 2330 | continue; |
bba95fef | 2331 | } |
15e47304 | 2332 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2333 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 2334 | rdev, wdev) < 0) { |
bba95fef JB |
2335 | goto out; |
2336 | } | |
2337 | if_idx++; | |
55682965 | 2338 | } |
bba95fef JB |
2339 | |
2340 | wp_idx++; | |
55682965 | 2341 | } |
bba95fef | 2342 | out: |
5fe231e8 | 2343 | rtnl_unlock(); |
55682965 JB |
2344 | |
2345 | cb->args[0] = wp_idx; | |
2346 | cb->args[1] = if_idx; | |
2347 | ||
2348 | return skb->len; | |
2349 | } | |
2350 | ||
2351 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2352 | { | |
2353 | struct sk_buff *msg; | |
4c476991 | 2354 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
72fb2abc | 2355 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2356 | |
fd2120ca | 2357 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2358 | if (!msg) |
4c476991 | 2359 | return -ENOMEM; |
55682965 | 2360 | |
15e47304 | 2361 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
72fb2abc | 2362 | dev, wdev) < 0) { |
4c476991 JB |
2363 | nlmsg_free(msg); |
2364 | return -ENOBUFS; | |
2365 | } | |
55682965 | 2366 | |
134e6375 | 2367 | return genlmsg_reply(msg, info); |
55682965 JB |
2368 | } |
2369 | ||
66f7ac50 MW |
2370 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2371 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2372 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2373 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2374 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2375 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2376 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2377 | }; |
2378 | ||
2379 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2380 | { | |
2381 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2382 | int flag; | |
2383 | ||
2384 | *mntrflags = 0; | |
2385 | ||
2386 | if (!nla) | |
2387 | return -EINVAL; | |
2388 | ||
2389 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2390 | nla, mntr_flags_policy)) | |
2391 | return -EINVAL; | |
2392 | ||
2393 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2394 | if (flags[flag]) | |
2395 | *mntrflags |= (1<<flag); | |
2396 | ||
2397 | return 0; | |
2398 | } | |
2399 | ||
9bc383de | 2400 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2401 | struct net_device *netdev, u8 use_4addr, |
2402 | enum nl80211_iftype iftype) | |
9bc383de | 2403 | { |
ad4bb6f8 | 2404 | if (!use_4addr) { |
f350a0a8 | 2405 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2406 | return -EBUSY; |
9bc383de | 2407 | return 0; |
ad4bb6f8 | 2408 | } |
9bc383de JB |
2409 | |
2410 | switch (iftype) { | |
2411 | case NL80211_IFTYPE_AP_VLAN: | |
2412 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2413 | return 0; | |
2414 | break; | |
2415 | case NL80211_IFTYPE_STATION: | |
2416 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2417 | return 0; | |
2418 | break; | |
2419 | default: | |
2420 | break; | |
2421 | } | |
2422 | ||
2423 | return -EOPNOTSUPP; | |
2424 | } | |
2425 | ||
55682965 JB |
2426 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2427 | { | |
4c476991 | 2428 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2429 | struct vif_params params; |
e36d56b6 | 2430 | int err; |
04a773ad | 2431 | enum nl80211_iftype otype, ntype; |
4c476991 | 2432 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2433 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2434 | bool change = false; |
55682965 | 2435 | |
2ec600d6 LCC |
2436 | memset(¶ms, 0, sizeof(params)); |
2437 | ||
04a773ad | 2438 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2439 | |
723b038d | 2440 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2441 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2442 | if (otype != ntype) |
ac7f9cfa | 2443 | change = true; |
4c476991 JB |
2444 | if (ntype > NL80211_IFTYPE_MAX) |
2445 | return -EINVAL; | |
723b038d JB |
2446 | } |
2447 | ||
92ffe055 | 2448 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2449 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2450 | ||
4c476991 JB |
2451 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2452 | return -EINVAL; | |
29cbe68c JB |
2453 | if (netif_running(dev)) |
2454 | return -EBUSY; | |
2455 | ||
2456 | wdev_lock(wdev); | |
2457 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2458 | IEEE80211_MAX_MESH_ID_LEN); | |
2459 | wdev->mesh_id_up_len = | |
2460 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2461 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2462 | wdev->mesh_id_up_len); | |
2463 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2464 | } |
2465 | ||
8b787643 FF |
2466 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2467 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2468 | change = true; | |
ad4bb6f8 | 2469 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2470 | if (err) |
4c476991 | 2471 | return err; |
8b787643 FF |
2472 | } else { |
2473 | params.use_4addr = -1; | |
2474 | } | |
2475 | ||
92ffe055 | 2476 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2477 | if (ntype != NL80211_IFTYPE_MONITOR) |
2478 | return -EINVAL; | |
92ffe055 JB |
2479 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2480 | &_flags); | |
ac7f9cfa | 2481 | if (err) |
4c476991 | 2482 | return err; |
ac7f9cfa JB |
2483 | |
2484 | flags = &_flags; | |
2485 | change = true; | |
92ffe055 | 2486 | } |
3b85875a | 2487 | |
18003297 | 2488 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2489 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2490 | return -EOPNOTSUPP; | |
2491 | ||
ac7f9cfa | 2492 | if (change) |
3d54d255 | 2493 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2494 | else |
2495 | err = 0; | |
60719ffd | 2496 | |
9bc383de JB |
2497 | if (!err && params.use_4addr != -1) |
2498 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2499 | ||
55682965 JB |
2500 | return err; |
2501 | } | |
2502 | ||
2503 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2504 | { | |
4c476991 | 2505 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2506 | struct vif_params params; |
84efbb84 | 2507 | struct wireless_dev *wdev; |
1c90f9d4 | 2508 | struct sk_buff *msg; |
55682965 JB |
2509 | int err; |
2510 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2511 | u32 flags; |
55682965 | 2512 | |
2ec600d6 LCC |
2513 | memset(¶ms, 0, sizeof(params)); |
2514 | ||
55682965 JB |
2515 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2516 | return -EINVAL; | |
2517 | ||
2518 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2519 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2520 | if (type > NL80211_IFTYPE_MAX) | |
2521 | return -EINVAL; | |
2522 | } | |
2523 | ||
79c97e97 | 2524 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2525 | !(rdev->wiphy.interface_modes & (1 << type))) |
2526 | return -EOPNOTSUPP; | |
55682965 | 2527 | |
1c18f145 AS |
2528 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2529 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2530 | ETH_ALEN); | |
2531 | if (!is_valid_ether_addr(params.macaddr)) | |
2532 | return -EADDRNOTAVAIL; | |
2533 | } | |
2534 | ||
9bc383de | 2535 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2536 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2537 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2538 | if (err) |
4c476991 | 2539 | return err; |
9bc383de | 2540 | } |
8b787643 | 2541 | |
1c90f9d4 JB |
2542 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2543 | if (!msg) | |
2544 | return -ENOMEM; | |
2545 | ||
66f7ac50 MW |
2546 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2547 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2548 | &flags); | |
e057d3c3 | 2549 | |
18003297 | 2550 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2551 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2552 | return -EOPNOTSUPP; | |
2553 | ||
e35e4d28 HG |
2554 | wdev = rdev_add_virtual_intf(rdev, |
2555 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2556 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2557 | if (IS_ERR(wdev)) { |
2558 | nlmsg_free(msg); | |
84efbb84 | 2559 | return PTR_ERR(wdev); |
1c90f9d4 | 2560 | } |
2ec600d6 | 2561 | |
98104fde JB |
2562 | switch (type) { |
2563 | case NL80211_IFTYPE_MESH_POINT: | |
2564 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2565 | break; | |
29cbe68c JB |
2566 | wdev_lock(wdev); |
2567 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2568 | IEEE80211_MAX_MESH_ID_LEN); | |
2569 | wdev->mesh_id_up_len = | |
2570 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2571 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2572 | wdev->mesh_id_up_len); | |
2573 | wdev_unlock(wdev); | |
98104fde JB |
2574 | break; |
2575 | case NL80211_IFTYPE_P2P_DEVICE: | |
2576 | /* | |
2577 | * P2P Device doesn't have a netdev, so doesn't go | |
2578 | * through the netdev notifier and must be added here | |
2579 | */ | |
2580 | mutex_init(&wdev->mtx); | |
2581 | INIT_LIST_HEAD(&wdev->event_list); | |
2582 | spin_lock_init(&wdev->event_lock); | |
2583 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2584 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2585 | ||
98104fde JB |
2586 | wdev->identifier = ++rdev->wdev_id; |
2587 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2588 | rdev->devlist_generation++; | |
98104fde JB |
2589 | break; |
2590 | default: | |
2591 | break; | |
29cbe68c JB |
2592 | } |
2593 | ||
15e47304 | 2594 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2595 | rdev, wdev) < 0) { |
2596 | nlmsg_free(msg); | |
2597 | return -ENOBUFS; | |
2598 | } | |
2599 | ||
2600 | return genlmsg_reply(msg, info); | |
55682965 JB |
2601 | } |
2602 | ||
2603 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2604 | { | |
4c476991 | 2605 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2606 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2607 | |
4c476991 JB |
2608 | if (!rdev->ops->del_virtual_intf) |
2609 | return -EOPNOTSUPP; | |
55682965 | 2610 | |
84efbb84 JB |
2611 | /* |
2612 | * If we remove a wireless device without a netdev then clear | |
2613 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2614 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2615 | * since the wdev has been freed, unlike with a netdev where | |
2616 | * we need the dev_put() for the netdev to really be freed. | |
2617 | */ | |
2618 | if (!wdev->netdev) | |
2619 | info->user_ptr[1] = NULL; | |
2620 | ||
e35e4d28 | 2621 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2622 | } |
2623 | ||
1d9d9213 SW |
2624 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2625 | { | |
2626 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2627 | struct net_device *dev = info->user_ptr[1]; | |
2628 | u16 noack_map; | |
2629 | ||
2630 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2631 | return -EINVAL; | |
2632 | ||
2633 | if (!rdev->ops->set_noack_map) | |
2634 | return -EOPNOTSUPP; | |
2635 | ||
2636 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2637 | ||
e35e4d28 | 2638 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2639 | } |
2640 | ||
41ade00f JB |
2641 | struct get_key_cookie { |
2642 | struct sk_buff *msg; | |
2643 | int error; | |
b9454e83 | 2644 | int idx; |
41ade00f JB |
2645 | }; |
2646 | ||
2647 | static void get_key_callback(void *c, struct key_params *params) | |
2648 | { | |
b9454e83 | 2649 | struct nlattr *key; |
41ade00f JB |
2650 | struct get_key_cookie *cookie = c; |
2651 | ||
9360ffd1 DM |
2652 | if ((params->key && |
2653 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2654 | params->key_len, params->key)) || | |
2655 | (params->seq && | |
2656 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2657 | params->seq_len, params->seq)) || | |
2658 | (params->cipher && | |
2659 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2660 | params->cipher))) | |
2661 | goto nla_put_failure; | |
41ade00f | 2662 | |
b9454e83 JB |
2663 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2664 | if (!key) | |
2665 | goto nla_put_failure; | |
2666 | ||
9360ffd1 DM |
2667 | if ((params->key && |
2668 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2669 | params->key_len, params->key)) || | |
2670 | (params->seq && | |
2671 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2672 | params->seq_len, params->seq)) || | |
2673 | (params->cipher && | |
2674 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2675 | params->cipher))) | |
2676 | goto nla_put_failure; | |
b9454e83 | 2677 | |
9360ffd1 DM |
2678 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2679 | goto nla_put_failure; | |
b9454e83 JB |
2680 | |
2681 | nla_nest_end(cookie->msg, key); | |
2682 | ||
41ade00f JB |
2683 | return; |
2684 | nla_put_failure: | |
2685 | cookie->error = 1; | |
2686 | } | |
2687 | ||
2688 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2689 | { | |
4c476991 | 2690 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2691 | int err; |
4c476991 | 2692 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2693 | u8 key_idx = 0; |
e31b8213 JB |
2694 | const u8 *mac_addr = NULL; |
2695 | bool pairwise; | |
41ade00f JB |
2696 | struct get_key_cookie cookie = { |
2697 | .error = 0, | |
2698 | }; | |
2699 | void *hdr; | |
2700 | struct sk_buff *msg; | |
2701 | ||
2702 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2703 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2704 | ||
3cfcf6ac | 2705 | if (key_idx > 5) |
41ade00f JB |
2706 | return -EINVAL; |
2707 | ||
2708 | if (info->attrs[NL80211_ATTR_MAC]) | |
2709 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2710 | ||
e31b8213 JB |
2711 | pairwise = !!mac_addr; |
2712 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2713 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2714 | if (kt >= NUM_NL80211_KEYTYPES) | |
2715 | return -EINVAL; | |
2716 | if (kt != NL80211_KEYTYPE_GROUP && | |
2717 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2718 | return -EINVAL; | |
2719 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2720 | } | |
2721 | ||
4c476991 JB |
2722 | if (!rdev->ops->get_key) |
2723 | return -EOPNOTSUPP; | |
41ade00f | 2724 | |
fd2120ca | 2725 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2726 | if (!msg) |
2727 | return -ENOMEM; | |
41ade00f | 2728 | |
15e47304 | 2729 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2730 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 2731 | if (!hdr) |
9fe271af | 2732 | goto nla_put_failure; |
41ade00f JB |
2733 | |
2734 | cookie.msg = msg; | |
b9454e83 | 2735 | cookie.idx = key_idx; |
41ade00f | 2736 | |
9360ffd1 DM |
2737 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2738 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2739 | goto nla_put_failure; | |
2740 | if (mac_addr && | |
2741 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2742 | goto nla_put_failure; | |
41ade00f | 2743 | |
e31b8213 JB |
2744 | if (pairwise && mac_addr && |
2745 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2746 | return -ENOENT; | |
2747 | ||
e35e4d28 HG |
2748 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2749 | get_key_callback); | |
41ade00f JB |
2750 | |
2751 | if (err) | |
6c95e2a2 | 2752 | goto free_msg; |
41ade00f JB |
2753 | |
2754 | if (cookie.error) | |
2755 | goto nla_put_failure; | |
2756 | ||
2757 | genlmsg_end(msg, hdr); | |
4c476991 | 2758 | return genlmsg_reply(msg, info); |
41ade00f JB |
2759 | |
2760 | nla_put_failure: | |
2761 | err = -ENOBUFS; | |
6c95e2a2 | 2762 | free_msg: |
41ade00f | 2763 | nlmsg_free(msg); |
41ade00f JB |
2764 | return err; |
2765 | } | |
2766 | ||
2767 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2768 | { | |
4c476991 | 2769 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2770 | struct key_parse key; |
41ade00f | 2771 | int err; |
4c476991 | 2772 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2773 | |
b9454e83 JB |
2774 | err = nl80211_parse_key(info, &key); |
2775 | if (err) | |
2776 | return err; | |
41ade00f | 2777 | |
b9454e83 | 2778 | if (key.idx < 0) |
41ade00f JB |
2779 | return -EINVAL; |
2780 | ||
b9454e83 JB |
2781 | /* only support setting default key */ |
2782 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2783 | return -EINVAL; |
2784 | ||
dbd2fd65 | 2785 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2786 | |
dbd2fd65 JB |
2787 | if (key.def) { |
2788 | if (!rdev->ops->set_default_key) { | |
2789 | err = -EOPNOTSUPP; | |
2790 | goto out; | |
2791 | } | |
41ade00f | 2792 | |
dbd2fd65 JB |
2793 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2794 | if (err) | |
2795 | goto out; | |
2796 | ||
e35e4d28 | 2797 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2798 | key.def_uni, key.def_multi); |
2799 | ||
2800 | if (err) | |
2801 | goto out; | |
fffd0934 | 2802 | |
3d23e349 | 2803 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2804 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2805 | #endif | |
2806 | } else { | |
2807 | if (key.def_uni || !key.def_multi) { | |
2808 | err = -EINVAL; | |
2809 | goto out; | |
2810 | } | |
2811 | ||
2812 | if (!rdev->ops->set_default_mgmt_key) { | |
2813 | err = -EOPNOTSUPP; | |
2814 | goto out; | |
2815 | } | |
2816 | ||
2817 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2818 | if (err) | |
2819 | goto out; | |
2820 | ||
e35e4d28 | 2821 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2822 | if (err) |
2823 | goto out; | |
2824 | ||
2825 | #ifdef CONFIG_CFG80211_WEXT | |
2826 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2827 | #endif |
dbd2fd65 JB |
2828 | } |
2829 | ||
2830 | out: | |
fffd0934 | 2831 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2832 | |
41ade00f JB |
2833 | return err; |
2834 | } | |
2835 | ||
2836 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2837 | { | |
4c476991 | 2838 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2839 | int err; |
4c476991 | 2840 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2841 | struct key_parse key; |
e31b8213 | 2842 | const u8 *mac_addr = NULL; |
41ade00f | 2843 | |
b9454e83 JB |
2844 | err = nl80211_parse_key(info, &key); |
2845 | if (err) | |
2846 | return err; | |
41ade00f | 2847 | |
b9454e83 | 2848 | if (!key.p.key) |
41ade00f JB |
2849 | return -EINVAL; |
2850 | ||
41ade00f JB |
2851 | if (info->attrs[NL80211_ATTR_MAC]) |
2852 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2853 | ||
e31b8213 JB |
2854 | if (key.type == -1) { |
2855 | if (mac_addr) | |
2856 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2857 | else | |
2858 | key.type = NL80211_KEYTYPE_GROUP; | |
2859 | } | |
2860 | ||
2861 | /* for now */ | |
2862 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2863 | key.type != NL80211_KEYTYPE_GROUP) | |
2864 | return -EINVAL; | |
2865 | ||
4c476991 JB |
2866 | if (!rdev->ops->add_key) |
2867 | return -EOPNOTSUPP; | |
25e47c18 | 2868 | |
e31b8213 JB |
2869 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2870 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2871 | mac_addr)) | |
4c476991 | 2872 | return -EINVAL; |
41ade00f | 2873 | |
fffd0934 JB |
2874 | wdev_lock(dev->ieee80211_ptr); |
2875 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2876 | if (!err) | |
e35e4d28 HG |
2877 | err = rdev_add_key(rdev, dev, key.idx, |
2878 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2879 | mac_addr, &key.p); | |
fffd0934 | 2880 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2881 | |
41ade00f JB |
2882 | return err; |
2883 | } | |
2884 | ||
2885 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2886 | { | |
4c476991 | 2887 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2888 | int err; |
4c476991 | 2889 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2890 | u8 *mac_addr = NULL; |
b9454e83 | 2891 | struct key_parse key; |
41ade00f | 2892 | |
b9454e83 JB |
2893 | err = nl80211_parse_key(info, &key); |
2894 | if (err) | |
2895 | return err; | |
41ade00f JB |
2896 | |
2897 | if (info->attrs[NL80211_ATTR_MAC]) | |
2898 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2899 | ||
e31b8213 JB |
2900 | if (key.type == -1) { |
2901 | if (mac_addr) | |
2902 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2903 | else | |
2904 | key.type = NL80211_KEYTYPE_GROUP; | |
2905 | } | |
2906 | ||
2907 | /* for now */ | |
2908 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2909 | key.type != NL80211_KEYTYPE_GROUP) | |
2910 | return -EINVAL; | |
2911 | ||
4c476991 JB |
2912 | if (!rdev->ops->del_key) |
2913 | return -EOPNOTSUPP; | |
41ade00f | 2914 | |
fffd0934 JB |
2915 | wdev_lock(dev->ieee80211_ptr); |
2916 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2917 | |
2918 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2919 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2920 | err = -ENOENT; | |
2921 | ||
fffd0934 | 2922 | if (!err) |
e35e4d28 HG |
2923 | err = rdev_del_key(rdev, dev, key.idx, |
2924 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2925 | mac_addr); | |
41ade00f | 2926 | |
3d23e349 | 2927 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2928 | if (!err) { |
b9454e83 | 2929 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2930 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2931 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2932 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2933 | } | |
2934 | #endif | |
fffd0934 | 2935 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2936 | |
41ade00f JB |
2937 | return err; |
2938 | } | |
2939 | ||
77765eaf VT |
2940 | /* This function returns an error or the number of nested attributes */ |
2941 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
2942 | { | |
2943 | struct nlattr *attr; | |
2944 | int n_entries = 0, tmp; | |
2945 | ||
2946 | nla_for_each_nested(attr, nl_attr, tmp) { | |
2947 | if (nla_len(attr) != ETH_ALEN) | |
2948 | return -EINVAL; | |
2949 | ||
2950 | n_entries++; | |
2951 | } | |
2952 | ||
2953 | return n_entries; | |
2954 | } | |
2955 | ||
2956 | /* | |
2957 | * This function parses ACL information and allocates memory for ACL data. | |
2958 | * On successful return, the calling function is responsible to free the | |
2959 | * ACL buffer returned by this function. | |
2960 | */ | |
2961 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
2962 | struct genl_info *info) | |
2963 | { | |
2964 | enum nl80211_acl_policy acl_policy; | |
2965 | struct nlattr *attr; | |
2966 | struct cfg80211_acl_data *acl; | |
2967 | int i = 0, n_entries, tmp; | |
2968 | ||
2969 | if (!wiphy->max_acl_mac_addrs) | |
2970 | return ERR_PTR(-EOPNOTSUPP); | |
2971 | ||
2972 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
2973 | return ERR_PTR(-EINVAL); | |
2974 | ||
2975 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
2976 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
2977 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
2978 | return ERR_PTR(-EINVAL); | |
2979 | ||
2980 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
2981 | return ERR_PTR(-EINVAL); | |
2982 | ||
2983 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
2984 | if (n_entries < 0) | |
2985 | return ERR_PTR(n_entries); | |
2986 | ||
2987 | if (n_entries > wiphy->max_acl_mac_addrs) | |
2988 | return ERR_PTR(-ENOTSUPP); | |
2989 | ||
2990 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
2991 | GFP_KERNEL); | |
2992 | if (!acl) | |
2993 | return ERR_PTR(-ENOMEM); | |
2994 | ||
2995 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
2996 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
2997 | i++; | |
2998 | } | |
2999 | ||
3000 | acl->n_acl_entries = n_entries; | |
3001 | acl->acl_policy = acl_policy; | |
3002 | ||
3003 | return acl; | |
3004 | } | |
3005 | ||
3006 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3007 | { | |
3008 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3009 | struct net_device *dev = info->user_ptr[1]; | |
3010 | struct cfg80211_acl_data *acl; | |
3011 | int err; | |
3012 | ||
3013 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3014 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3015 | return -EOPNOTSUPP; | |
3016 | ||
3017 | if (!dev->ieee80211_ptr->beacon_interval) | |
3018 | return -EINVAL; | |
3019 | ||
3020 | acl = parse_acl_data(&rdev->wiphy, info); | |
3021 | if (IS_ERR(acl)) | |
3022 | return PTR_ERR(acl); | |
3023 | ||
3024 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3025 | ||
3026 | kfree(acl); | |
3027 | ||
3028 | return err; | |
3029 | } | |
3030 | ||
a1193be8 | 3031 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3032 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3033 | { |
8860020e | 3034 | bool haveinfo = false; |
ed1b6cc7 | 3035 | |
a1193be8 SW |
3036 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3037 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3038 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3039 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3040 | return -EINVAL; |
3041 | ||
8860020e | 3042 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3043 | |
a1193be8 SW |
3044 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3045 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3046 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3047 | if (!bcn->head_len) |
3048 | return -EINVAL; | |
3049 | haveinfo = true; | |
ed1b6cc7 JB |
3050 | } |
3051 | ||
a1193be8 SW |
3052 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3053 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3054 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3055 | haveinfo = true; |
ed1b6cc7 JB |
3056 | } |
3057 | ||
4c476991 JB |
3058 | if (!haveinfo) |
3059 | return -EINVAL; | |
3b85875a | 3060 | |
a1193be8 SW |
3061 | if (attrs[NL80211_ATTR_IE]) { |
3062 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3063 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3064 | } |
3065 | ||
a1193be8 | 3066 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3067 | bcn->proberesp_ies = |
a1193be8 | 3068 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3069 | bcn->proberesp_ies_len = |
a1193be8 | 3070 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3071 | } |
3072 | ||
a1193be8 | 3073 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3074 | bcn->assocresp_ies = |
a1193be8 | 3075 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3076 | bcn->assocresp_ies_len = |
a1193be8 | 3077 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3078 | } |
3079 | ||
a1193be8 SW |
3080 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3081 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3082 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3083 | } |
3084 | ||
8860020e JB |
3085 | return 0; |
3086 | } | |
3087 | ||
46c1dd0c FF |
3088 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3089 | struct cfg80211_ap_settings *params) | |
3090 | { | |
3091 | struct wireless_dev *wdev; | |
3092 | bool ret = false; | |
3093 | ||
89a54e48 | 3094 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3095 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3096 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3097 | continue; | |
3098 | ||
683b6d3b | 3099 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3100 | continue; |
3101 | ||
683b6d3b | 3102 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3103 | ret = true; |
3104 | break; | |
3105 | } | |
3106 | ||
46c1dd0c FF |
3107 | return ret; |
3108 | } | |
3109 | ||
e39e5b5e JM |
3110 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3111 | enum nl80211_auth_type auth_type, | |
3112 | enum nl80211_commands cmd) | |
3113 | { | |
3114 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3115 | return false; | |
3116 | ||
3117 | switch (cmd) { | |
3118 | case NL80211_CMD_AUTHENTICATE: | |
3119 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3120 | auth_type == NL80211_AUTHTYPE_SAE) | |
3121 | return false; | |
3122 | return true; | |
3123 | case NL80211_CMD_CONNECT: | |
3124 | case NL80211_CMD_START_AP: | |
3125 | /* SAE not supported yet */ | |
3126 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3127 | return false; | |
3128 | return true; | |
3129 | default: | |
3130 | return false; | |
3131 | } | |
3132 | } | |
3133 | ||
8860020e JB |
3134 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3135 | { | |
3136 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3137 | struct net_device *dev = info->user_ptr[1]; | |
3138 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3139 | struct cfg80211_ap_settings params; | |
3140 | int err; | |
04f39047 | 3141 | u8 radar_detect_width = 0; |
8860020e JB |
3142 | |
3143 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3144 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3145 | return -EOPNOTSUPP; | |
3146 | ||
3147 | if (!rdev->ops->start_ap) | |
3148 | return -EOPNOTSUPP; | |
3149 | ||
3150 | if (wdev->beacon_interval) | |
3151 | return -EALREADY; | |
3152 | ||
3153 | memset(¶ms, 0, sizeof(params)); | |
3154 | ||
3155 | /* these are required for START_AP */ | |
3156 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3157 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3158 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3159 | return -EINVAL; | |
3160 | ||
a1193be8 | 3161 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3162 | if (err) |
3163 | return err; | |
3164 | ||
3165 | params.beacon_interval = | |
3166 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3167 | params.dtim_period = | |
3168 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3169 | ||
3170 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3171 | if (err) | |
3172 | return err; | |
3173 | ||
3174 | /* | |
3175 | * In theory, some of these attributes should be required here | |
3176 | * but since they were not used when the command was originally | |
3177 | * added, keep them optional for old user space programs to let | |
3178 | * them continue to work with drivers that do not need the | |
3179 | * additional information -- drivers must check! | |
3180 | */ | |
3181 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3182 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3183 | params.ssid_len = | |
3184 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3185 | if (params.ssid_len == 0 || | |
3186 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3187 | return -EINVAL; | |
3188 | } | |
3189 | ||
3190 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3191 | params.hidden_ssid = nla_get_u32( | |
3192 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3193 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3194 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3195 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3196 | return -EINVAL; | |
3197 | } | |
3198 | ||
3199 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3200 | ||
3201 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3202 | params.auth_type = nla_get_u32( | |
3203 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3204 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3205 | NL80211_CMD_START_AP)) | |
8860020e JB |
3206 | return -EINVAL; |
3207 | } else | |
3208 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3209 | ||
3210 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3211 | NL80211_MAX_NR_CIPHER_SUITES); | |
3212 | if (err) | |
3213 | return err; | |
3214 | ||
1b658f11 VT |
3215 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3216 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3217 | return -EOPNOTSUPP; | |
3218 | params.inactivity_timeout = nla_get_u16( | |
3219 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3220 | } | |
3221 | ||
53cabad7 JB |
3222 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3223 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3224 | return -EINVAL; | |
3225 | params.p2p_ctwindow = | |
3226 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3227 | if (params.p2p_ctwindow > 127) | |
3228 | return -EINVAL; | |
3229 | if (params.p2p_ctwindow != 0 && | |
3230 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3231 | return -EINVAL; | |
3232 | } | |
3233 | ||
3234 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3235 | u8 tmp; | |
3236 | ||
3237 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3238 | return -EINVAL; | |
3239 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3240 | if (tmp > 1) | |
3241 | return -EINVAL; | |
3242 | params.p2p_opp_ps = tmp; | |
3243 | if (params.p2p_opp_ps != 0 && | |
3244 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3245 | return -EINVAL; | |
3246 | } | |
3247 | ||
aa430da4 | 3248 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3249 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3250 | if (err) | |
3251 | return err; | |
3252 | } else if (wdev->preset_chandef.chan) { | |
3253 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3254 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3255 | return -EINVAL; |
3256 | ||
683b6d3b | 3257 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) |
aa430da4 JB |
3258 | return -EINVAL; |
3259 | ||
04f39047 SW |
3260 | err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); |
3261 | if (err < 0) | |
3262 | return err; | |
3263 | if (err) { | |
3264 | radar_detect_width = BIT(params.chandef.width); | |
3265 | params.radar_required = true; | |
3266 | } | |
3267 | ||
04f39047 SW |
3268 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
3269 | params.chandef.chan, | |
3270 | CHAN_MODE_SHARED, | |
3271 | radar_detect_width); | |
e4e32459 MK |
3272 | if (err) |
3273 | return err; | |
3274 | ||
77765eaf VT |
3275 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3276 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3277 | if (IS_ERR(params.acl)) | |
3278 | return PTR_ERR(params.acl); | |
3279 | } | |
3280 | ||
c56589ed | 3281 | wdev_lock(wdev); |
e35e4d28 | 3282 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3283 | if (!err) { |
683b6d3b | 3284 | wdev->preset_chandef = params.chandef; |
8860020e | 3285 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 3286 | wdev->chandef = params.chandef; |
06e191e2 AQ |
3287 | wdev->ssid_len = params.ssid_len; |
3288 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3289 | } |
c56589ed | 3290 | wdev_unlock(wdev); |
77765eaf VT |
3291 | |
3292 | kfree(params.acl); | |
3293 | ||
56d1893d | 3294 | return err; |
ed1b6cc7 JB |
3295 | } |
3296 | ||
8860020e JB |
3297 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3298 | { | |
3299 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3300 | struct net_device *dev = info->user_ptr[1]; | |
3301 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3302 | struct cfg80211_beacon_data params; | |
3303 | int err; | |
3304 | ||
3305 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3306 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3307 | return -EOPNOTSUPP; | |
3308 | ||
3309 | if (!rdev->ops->change_beacon) | |
3310 | return -EOPNOTSUPP; | |
3311 | ||
3312 | if (!wdev->beacon_interval) | |
3313 | return -EINVAL; | |
3314 | ||
a1193be8 | 3315 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3316 | if (err) |
3317 | return err; | |
3318 | ||
c56589ed SW |
3319 | wdev_lock(wdev); |
3320 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3321 | wdev_unlock(wdev); | |
3322 | ||
3323 | return err; | |
8860020e JB |
3324 | } |
3325 | ||
3326 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3327 | { |
4c476991 JB |
3328 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3329 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3330 | |
60771780 | 3331 | return cfg80211_stop_ap(rdev, dev); |
ed1b6cc7 JB |
3332 | } |
3333 | ||
5727ef1b JB |
3334 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3335 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3336 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3337 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3338 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3339 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3340 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3341 | }; |
3342 | ||
eccb8e8f | 3343 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3344 | enum nl80211_iftype iftype, |
eccb8e8f | 3345 | struct station_parameters *params) |
5727ef1b JB |
3346 | { |
3347 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3348 | struct nlattr *nla; |
5727ef1b JB |
3349 | int flag; |
3350 | ||
eccb8e8f JB |
3351 | /* |
3352 | * Try parsing the new attribute first so userspace | |
3353 | * can specify both for older kernels. | |
3354 | */ | |
3355 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3356 | if (nla) { | |
3357 | struct nl80211_sta_flag_update *sta_flags; | |
3358 | ||
3359 | sta_flags = nla_data(nla); | |
3360 | params->sta_flags_mask = sta_flags->mask; | |
3361 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3362 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3363 | if ((params->sta_flags_mask | |
3364 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3365 | return -EINVAL; | |
3366 | return 0; | |
3367 | } | |
3368 | ||
3369 | /* if present, parse the old attribute */ | |
5727ef1b | 3370 | |
eccb8e8f | 3371 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3372 | if (!nla) |
3373 | return 0; | |
3374 | ||
3375 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3376 | nla, sta_flags_policy)) | |
3377 | return -EINVAL; | |
3378 | ||
bdd3ae3d JB |
3379 | /* |
3380 | * Only allow certain flags for interface types so that | |
3381 | * other attributes are silently ignored. Remember that | |
3382 | * this is backward compatibility code with old userspace | |
3383 | * and shouldn't be hit in other cases anyway. | |
3384 | */ | |
3385 | switch (iftype) { | |
3386 | case NL80211_IFTYPE_AP: | |
3387 | case NL80211_IFTYPE_AP_VLAN: | |
3388 | case NL80211_IFTYPE_P2P_GO: | |
3389 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3390 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3391 | BIT(NL80211_STA_FLAG_WME) | | |
3392 | BIT(NL80211_STA_FLAG_MFP); | |
3393 | break; | |
3394 | case NL80211_IFTYPE_P2P_CLIENT: | |
3395 | case NL80211_IFTYPE_STATION: | |
3396 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3397 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3398 | break; | |
3399 | case NL80211_IFTYPE_MESH_POINT: | |
3400 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3401 | BIT(NL80211_STA_FLAG_MFP) | | |
3402 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3403 | default: | |
3404 | return -EINVAL; | |
3405 | } | |
5727ef1b | 3406 | |
3383b5a6 JB |
3407 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3408 | if (flags[flag]) { | |
eccb8e8f | 3409 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3410 | |
3383b5a6 JB |
3411 | /* no longer support new API additions in old API */ |
3412 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3413 | return -EINVAL; | |
3414 | } | |
3415 | } | |
3416 | ||
5727ef1b JB |
3417 | return 0; |
3418 | } | |
3419 | ||
c8dcfd8a FF |
3420 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3421 | int attr) | |
3422 | { | |
3423 | struct nlattr *rate; | |
8eb41c8d VK |
3424 | u32 bitrate; |
3425 | u16 bitrate_compat; | |
c8dcfd8a FF |
3426 | |
3427 | rate = nla_nest_start(msg, attr); | |
3428 | if (!rate) | |
db9c64cf | 3429 | return false; |
c8dcfd8a FF |
3430 | |
3431 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3432 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3433 | /* report 16-bit bitrate only if we can */ |
3434 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3435 | if (bitrate > 0 && |
3436 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3437 | return false; | |
3438 | if (bitrate_compat > 0 && | |
3439 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3440 | return false; | |
3441 | ||
3442 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3443 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3444 | return false; | |
3445 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3446 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3447 | return false; | |
3448 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3449 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3450 | return false; | |
3451 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3452 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3453 | return false; | |
3454 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3455 | return false; | |
3456 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3457 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3458 | return false; | |
3459 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3460 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3461 | return false; | |
3462 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3463 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3464 | return false; | |
3465 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3466 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3467 | return false; | |
3468 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3469 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3470 | return false; | |
3471 | } | |
c8dcfd8a FF |
3472 | |
3473 | nla_nest_end(msg, rate); | |
3474 | return true; | |
c8dcfd8a FF |
3475 | } |
3476 | ||
119363c7 FF |
3477 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3478 | int id) | |
3479 | { | |
3480 | void *attr; | |
3481 | int i = 0; | |
3482 | ||
3483 | if (!mask) | |
3484 | return true; | |
3485 | ||
3486 | attr = nla_nest_start(msg, id); | |
3487 | if (!attr) | |
3488 | return false; | |
3489 | ||
3490 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3491 | if (!(mask & BIT(i))) | |
3492 | continue; | |
3493 | ||
3494 | if (nla_put_u8(msg, i, signal[i])) | |
3495 | return false; | |
3496 | } | |
3497 | ||
3498 | nla_nest_end(msg, attr); | |
3499 | ||
3500 | return true; | |
3501 | } | |
3502 | ||
15e47304 | 3503 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3504 | int flags, |
3505 | struct cfg80211_registered_device *rdev, | |
3506 | struct net_device *dev, | |
98b62183 | 3507 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3508 | { |
3509 | void *hdr; | |
f4263c98 | 3510 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3511 | |
15e47304 | 3512 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3513 | if (!hdr) |
3514 | return -1; | |
3515 | ||
9360ffd1 DM |
3516 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3517 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3518 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3519 | goto nla_put_failure; | |
f5ea9120 | 3520 | |
2ec600d6 LCC |
3521 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3522 | if (!sinfoattr) | |
fd5b74dc | 3523 | goto nla_put_failure; |
9360ffd1 DM |
3524 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3525 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3526 | sinfo->connected_time)) | |
3527 | goto nla_put_failure; | |
3528 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3529 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3530 | sinfo->inactive_time)) | |
3531 | goto nla_put_failure; | |
42745e03 VK |
3532 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3533 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3534 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3535 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3536 | goto nla_put_failure; |
42745e03 | 3537 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3538 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3539 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3540 | (u32)sinfo->tx_bytes)) |
3541 | goto nla_put_failure; | |
3542 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3543 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3544 | sinfo->rx_bytes)) | |
3545 | goto nla_put_failure; | |
3546 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3547 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3548 | sinfo->tx_bytes)) |
3549 | goto nla_put_failure; | |
3550 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3551 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3552 | goto nla_put_failure; | |
3553 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3554 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3555 | goto nla_put_failure; | |
3556 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3557 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3558 | sinfo->plink_state)) | |
3559 | goto nla_put_failure; | |
66266b3a JL |
3560 | switch (rdev->wiphy.signal_type) { |
3561 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3562 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3563 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3564 | sinfo->signal)) | |
3565 | goto nla_put_failure; | |
3566 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3567 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3568 | sinfo->signal_avg)) | |
3569 | goto nla_put_failure; | |
66266b3a JL |
3570 | break; |
3571 | default: | |
3572 | break; | |
3573 | } | |
119363c7 FF |
3574 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3575 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3576 | sinfo->chain_signal, | |
3577 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3578 | goto nla_put_failure; | |
3579 | } | |
3580 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3581 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3582 | sinfo->chain_signal_avg, | |
3583 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3584 | goto nla_put_failure; | |
3585 | } | |
420e7fab | 3586 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3587 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3588 | NL80211_STA_INFO_TX_BITRATE)) | |
3589 | goto nla_put_failure; | |
3590 | } | |
3591 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3592 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3593 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3594 | goto nla_put_failure; |
420e7fab | 3595 | } |
9360ffd1 DM |
3596 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3597 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3598 | sinfo->rx_packets)) | |
3599 | goto nla_put_failure; | |
3600 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3601 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3602 | sinfo->tx_packets)) | |
3603 | goto nla_put_failure; | |
3604 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3605 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3606 | sinfo->tx_retries)) | |
3607 | goto nla_put_failure; | |
3608 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3609 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3610 | sinfo->tx_failed)) | |
3611 | goto nla_put_failure; | |
3612 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && | |
3613 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3614 | sinfo->beacon_loss_count)) | |
3615 | goto nla_put_failure; | |
3b1c5a53 MP |
3616 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3617 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3618 | sinfo->local_pm)) | |
3619 | goto nla_put_failure; | |
3620 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3621 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3622 | sinfo->peer_pm)) | |
3623 | goto nla_put_failure; | |
3624 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3625 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3626 | sinfo->nonpeer_pm)) | |
3627 | goto nla_put_failure; | |
f4263c98 PS |
3628 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3629 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3630 | if (!bss_param) | |
3631 | goto nla_put_failure; | |
3632 | ||
9360ffd1 DM |
3633 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3634 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3635 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3636 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3637 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3638 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3639 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3640 | sinfo->bss_param.dtim_period) || | |
3641 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3642 | sinfo->bss_param.beacon_interval)) | |
3643 | goto nla_put_failure; | |
f4263c98 PS |
3644 | |
3645 | nla_nest_end(msg, bss_param); | |
3646 | } | |
9360ffd1 DM |
3647 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3648 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3649 | sizeof(struct nl80211_sta_flag_update), | |
3650 | &sinfo->sta_flags)) | |
3651 | goto nla_put_failure; | |
7eab0f64 JL |
3652 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3653 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3654 | sinfo->t_offset)) | |
3655 | goto nla_put_failure; | |
2ec600d6 | 3656 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3657 | |
9360ffd1 DM |
3658 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3659 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3660 | sinfo->assoc_req_ies)) | |
3661 | goto nla_put_failure; | |
50d3dfb7 | 3662 | |
fd5b74dc JB |
3663 | return genlmsg_end(msg, hdr); |
3664 | ||
3665 | nla_put_failure: | |
bc3ed28c TG |
3666 | genlmsg_cancel(msg, hdr); |
3667 | return -EMSGSIZE; | |
fd5b74dc JB |
3668 | } |
3669 | ||
2ec600d6 | 3670 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3671 | struct netlink_callback *cb) |
2ec600d6 | 3672 | { |
2ec600d6 LCC |
3673 | struct station_info sinfo; |
3674 | struct cfg80211_registered_device *dev; | |
97990a06 | 3675 | struct wireless_dev *wdev; |
2ec600d6 | 3676 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3677 | int sta_idx = cb->args[2]; |
2ec600d6 | 3678 | int err; |
2ec600d6 | 3679 | |
97990a06 | 3680 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
3681 | if (err) |
3682 | return err; | |
bba95fef | 3683 | |
97990a06 JB |
3684 | if (!wdev->netdev) { |
3685 | err = -EINVAL; | |
3686 | goto out_err; | |
3687 | } | |
3688 | ||
bba95fef | 3689 | if (!dev->ops->dump_station) { |
eec60b03 | 3690 | err = -EOPNOTSUPP; |
bba95fef JB |
3691 | goto out_err; |
3692 | } | |
3693 | ||
bba95fef | 3694 | while (1) { |
f612cedf | 3695 | memset(&sinfo, 0, sizeof(sinfo)); |
97990a06 | 3696 | err = rdev_dump_station(dev, wdev->netdev, sta_idx, |
e35e4d28 | 3697 | mac_addr, &sinfo); |
bba95fef JB |
3698 | if (err == -ENOENT) |
3699 | break; | |
3700 | if (err) | |
3b85875a | 3701 | goto out_err; |
bba95fef JB |
3702 | |
3703 | if (nl80211_send_station(skb, | |
15e47304 | 3704 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3705 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 3706 | dev, wdev->netdev, mac_addr, |
bba95fef JB |
3707 | &sinfo) < 0) |
3708 | goto out; | |
3709 | ||
3710 | sta_idx++; | |
3711 | } | |
3712 | ||
3713 | ||
3714 | out: | |
97990a06 | 3715 | cb->args[2] = sta_idx; |
bba95fef | 3716 | err = skb->len; |
bba95fef | 3717 | out_err: |
97990a06 | 3718 | nl80211_finish_wdev_dump(dev); |
bba95fef JB |
3719 | |
3720 | return err; | |
2ec600d6 | 3721 | } |
fd5b74dc | 3722 | |
5727ef1b JB |
3723 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3724 | { | |
4c476991 JB |
3725 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3726 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3727 | struct station_info sinfo; |
fd5b74dc JB |
3728 | struct sk_buff *msg; |
3729 | u8 *mac_addr = NULL; | |
4c476991 | 3730 | int err; |
fd5b74dc | 3731 | |
2ec600d6 | 3732 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3733 | |
3734 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3735 | return -EINVAL; | |
3736 | ||
3737 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3738 | ||
4c476991 JB |
3739 | if (!rdev->ops->get_station) |
3740 | return -EOPNOTSUPP; | |
3b85875a | 3741 | |
e35e4d28 | 3742 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3743 | if (err) |
4c476991 | 3744 | return err; |
2ec600d6 | 3745 | |
fd2120ca | 3746 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3747 | if (!msg) |
4c476991 | 3748 | return -ENOMEM; |
fd5b74dc | 3749 | |
15e47304 | 3750 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3751 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3752 | nlmsg_free(msg); |
3753 | return -ENOBUFS; | |
3754 | } | |
3b85875a | 3755 | |
4c476991 | 3756 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3757 | } |
3758 | ||
77ee7c89 JB |
3759 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3760 | struct station_parameters *params, | |
3761 | enum cfg80211_station_type statype) | |
3762 | { | |
3763 | if (params->listen_interval != -1) | |
3764 | return -EINVAL; | |
3765 | if (params->aid) | |
3766 | return -EINVAL; | |
3767 | ||
3768 | /* When you run into this, adjust the code below for the new flag */ | |
3769 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3770 | ||
3771 | switch (statype) { | |
eef941e6 TP |
3772 | case CFG80211_STA_MESH_PEER_KERNEL: |
3773 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3774 | /* |
3775 | * No ignoring the TDLS flag here -- the userspace mesh | |
3776 | * code doesn't have the bug of including TDLS in the | |
3777 | * mask everywhere. | |
3778 | */ | |
3779 | if (params->sta_flags_mask & | |
3780 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3781 | BIT(NL80211_STA_FLAG_MFP) | | |
3782 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3783 | return -EINVAL; | |
3784 | break; | |
3785 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3786 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3787 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3788 | return -EINVAL; | |
3789 | /* ignore since it can't change */ | |
3790 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3791 | break; | |
3792 | default: | |
3793 | /* disallow mesh-specific things */ | |
3794 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3795 | return -EINVAL; | |
3796 | if (params->local_pm) | |
3797 | return -EINVAL; | |
3798 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3799 | return -EINVAL; | |
3800 | } | |
3801 | ||
3802 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3803 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3804 | /* TDLS can't be set, ... */ | |
3805 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3806 | return -EINVAL; | |
3807 | /* | |
3808 | * ... but don't bother the driver with it. This works around | |
3809 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3810 | * TLDS_PEER flag in the mask even for AP mode. | |
3811 | */ | |
3812 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3813 | } | |
3814 | ||
3815 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3816 | /* reject other things that can't change */ | |
3817 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3818 | return -EINVAL; | |
3819 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3820 | return -EINVAL; | |
3821 | if (params->supported_rates) | |
3822 | return -EINVAL; | |
3823 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3824 | return -EINVAL; | |
3825 | } | |
3826 | ||
3827 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3828 | if (params->vlan) | |
3829 | return -EINVAL; | |
3830 | } | |
3831 | ||
3832 | switch (statype) { | |
3833 | case CFG80211_STA_AP_MLME_CLIENT: | |
3834 | /* Use this only for authorizing/unauthorizing a station */ | |
3835 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3836 | return -EOPNOTSUPP; | |
3837 | break; | |
3838 | case CFG80211_STA_AP_CLIENT: | |
3839 | /* accept only the listed bits */ | |
3840 | if (params->sta_flags_mask & | |
3841 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3842 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3843 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3844 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3845 | BIT(NL80211_STA_FLAG_WME) | | |
3846 | BIT(NL80211_STA_FLAG_MFP))) | |
3847 | return -EINVAL; | |
3848 | ||
3849 | /* but authenticated/associated only if driver handles it */ | |
3850 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3851 | params->sta_flags_mask & | |
3852 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3853 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3854 | return -EINVAL; | |
3855 | break; | |
3856 | case CFG80211_STA_IBSS: | |
3857 | case CFG80211_STA_AP_STA: | |
3858 | /* reject any changes other than AUTHORIZED */ | |
3859 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3860 | return -EINVAL; | |
3861 | break; | |
3862 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3863 | /* reject any changes other than AUTHORIZED or WME */ | |
3864 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3865 | BIT(NL80211_STA_FLAG_WME))) | |
3866 | return -EINVAL; | |
3867 | /* force (at least) rates when authorizing */ | |
3868 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
3869 | !params->supported_rates) | |
3870 | return -EINVAL; | |
3871 | break; | |
3872 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3873 | /* reject any changes */ | |
3874 | return -EINVAL; | |
eef941e6 | 3875 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
3876 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
3877 | return -EINVAL; | |
3878 | break; | |
eef941e6 | 3879 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
3880 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
3881 | return -EINVAL; | |
3882 | break; | |
3883 | } | |
3884 | ||
3885 | return 0; | |
3886 | } | |
3887 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
3888 | ||
5727ef1b | 3889 | /* |
c258d2de | 3890 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3891 | */ |
80b99899 JB |
3892 | static struct net_device *get_vlan(struct genl_info *info, |
3893 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3894 | { |
463d0183 | 3895 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3896 | struct net_device *v; |
3897 | int ret; | |
3898 | ||
3899 | if (!vlanattr) | |
3900 | return NULL; | |
3901 | ||
3902 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3903 | if (!v) | |
3904 | return ERR_PTR(-ENODEV); | |
3905 | ||
3906 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3907 | ret = -EINVAL; | |
3908 | goto error; | |
5727ef1b | 3909 | } |
80b99899 | 3910 | |
77ee7c89 JB |
3911 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
3912 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3913 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
3914 | ret = -EINVAL; | |
3915 | goto error; | |
3916 | } | |
3917 | ||
80b99899 JB |
3918 | if (!netif_running(v)) { |
3919 | ret = -ENETDOWN; | |
3920 | goto error; | |
3921 | } | |
3922 | ||
3923 | return v; | |
3924 | error: | |
3925 | dev_put(v); | |
3926 | return ERR_PTR(ret); | |
5727ef1b JB |
3927 | } |
3928 | ||
94e860f1 JB |
3929 | static const struct nla_policy |
3930 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
3931 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
3932 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
3933 | }; | |
3934 | ||
ff276691 JB |
3935 | static int nl80211_parse_sta_wme(struct genl_info *info, |
3936 | struct station_parameters *params) | |
df881293 | 3937 | { |
df881293 JM |
3938 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
3939 | struct nlattr *nla; | |
3940 | int err; | |
3941 | ||
df881293 JM |
3942 | /* parse WME attributes if present */ |
3943 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
3944 | return 0; | |
3945 | ||
3946 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
3947 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
3948 | nl80211_sta_wme_policy); | |
3949 | if (err) | |
3950 | return err; | |
3951 | ||
3952 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
3953 | params->uapsd_queues = nla_get_u8( | |
3954 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
3955 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
3956 | return -EINVAL; | |
3957 | ||
3958 | if (tb[NL80211_STA_WME_MAX_SP]) | |
3959 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
3960 | ||
3961 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
3962 | return -EINVAL; | |
3963 | ||
3964 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
3965 | ||
3966 | return 0; | |
3967 | } | |
3968 | ||
c01fc9ad SD |
3969 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
3970 | struct station_parameters *params) | |
3971 | { | |
3972 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
3973 | params->supported_channels = | |
3974 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3975 | params->supported_channels_len = | |
3976 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3977 | /* | |
3978 | * Need to include at least one (first channel, number of | |
3979 | * channels) tuple for each subband, and must have proper | |
3980 | * tuples for the rest of the data as well. | |
3981 | */ | |
3982 | if (params->supported_channels_len < 2) | |
3983 | return -EINVAL; | |
3984 | if (params->supported_channels_len % 2) | |
3985 | return -EINVAL; | |
3986 | } | |
3987 | ||
3988 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
3989 | params->supported_oper_classes = | |
3990 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3991 | params->supported_oper_classes_len = | |
3992 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3993 | /* | |
3994 | * The value of the Length field of the Supported Operating | |
3995 | * Classes element is between 2 and 253. | |
3996 | */ | |
3997 | if (params->supported_oper_classes_len < 2 || | |
3998 | params->supported_oper_classes_len > 253) | |
3999 | return -EINVAL; | |
4000 | } | |
4001 | return 0; | |
4002 | } | |
4003 | ||
ff276691 JB |
4004 | static int nl80211_set_station_tdls(struct genl_info *info, |
4005 | struct station_parameters *params) | |
4006 | { | |
c01fc9ad | 4007 | int err; |
ff276691 | 4008 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4009 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4010 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4011 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4012 | params->ht_capa = | |
4013 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4014 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4015 | params->vht_capa = | |
4016 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4017 | ||
c01fc9ad SD |
4018 | err = nl80211_parse_sta_channel_info(info, params); |
4019 | if (err) | |
4020 | return err; | |
4021 | ||
ff276691 JB |
4022 | return nl80211_parse_sta_wme(info, params); |
4023 | } | |
4024 | ||
5727ef1b JB |
4025 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4026 | { | |
4c476991 | 4027 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4028 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4029 | struct station_parameters params; |
77ee7c89 JB |
4030 | u8 *mac_addr; |
4031 | int err; | |
5727ef1b JB |
4032 | |
4033 | memset(¶ms, 0, sizeof(params)); | |
4034 | ||
4035 | params.listen_interval = -1; | |
4036 | ||
77ee7c89 JB |
4037 | if (!rdev->ops->change_station) |
4038 | return -EOPNOTSUPP; | |
4039 | ||
5727ef1b JB |
4040 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4041 | return -EINVAL; | |
4042 | ||
4043 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4044 | return -EINVAL; | |
4045 | ||
4046 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4047 | ||
4048 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4049 | params.supported_rates = | |
4050 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4051 | params.supported_rates_len = | |
4052 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4053 | } | |
4054 | ||
9d62a986 JM |
4055 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4056 | params.capability = | |
4057 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4058 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4059 | } | |
4060 | ||
4061 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4062 | params.ext_capab = | |
4063 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4064 | params.ext_capab_len = | |
4065 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4066 | } | |
4067 | ||
df881293 | 4068 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4069 | return -EINVAL; |
36aedc90 | 4070 | |
bdd3ae3d | 4071 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4072 | return -EINVAL; |
4073 | ||
f8bacc21 | 4074 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4075 | params.plink_action = |
f8bacc21 JB |
4076 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4077 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4078 | return -EINVAL; | |
4079 | } | |
2ec600d6 | 4080 | |
f8bacc21 | 4081 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4082 | params.plink_state = |
f8bacc21 JB |
4083 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4084 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4085 | return -EINVAL; | |
4086 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4087 | } | |
9c3990aa | 4088 | |
3b1c5a53 MP |
4089 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4090 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4091 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4092 | ||
4093 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4094 | pm > NL80211_MESH_POWER_MAX) | |
4095 | return -EINVAL; | |
4096 | ||
4097 | params.local_pm = pm; | |
4098 | } | |
4099 | ||
77ee7c89 JB |
4100 | /* Include parameters for TDLS peer (will check later) */ |
4101 | err = nl80211_set_station_tdls(info, ¶ms); | |
4102 | if (err) | |
4103 | return err; | |
4104 | ||
4105 | params.vlan = get_vlan(info, rdev); | |
4106 | if (IS_ERR(params.vlan)) | |
4107 | return PTR_ERR(params.vlan); | |
4108 | ||
a97f4424 JB |
4109 | switch (dev->ieee80211_ptr->iftype) { |
4110 | case NL80211_IFTYPE_AP: | |
4111 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4112 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4113 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4114 | case NL80211_IFTYPE_STATION: |
267335d6 | 4115 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4116 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4117 | break; |
4118 | default: | |
77ee7c89 JB |
4119 | err = -EOPNOTSUPP; |
4120 | goto out_put_vlan; | |
034d655e JB |
4121 | } |
4122 | ||
77ee7c89 | 4123 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4124 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4125 | |
77ee7c89 | 4126 | out_put_vlan: |
5727ef1b JB |
4127 | if (params.vlan) |
4128 | dev_put(params.vlan); | |
3b85875a | 4129 | |
5727ef1b JB |
4130 | return err; |
4131 | } | |
4132 | ||
4133 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4134 | { | |
4c476991 | 4135 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4136 | int err; |
4c476991 | 4137 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4138 | struct station_parameters params; |
4139 | u8 *mac_addr = NULL; | |
4140 | ||
4141 | memset(¶ms, 0, sizeof(params)); | |
4142 | ||
984c311b JB |
4143 | if (!rdev->ops->add_station) |
4144 | return -EOPNOTSUPP; | |
4145 | ||
5727ef1b JB |
4146 | if (!info->attrs[NL80211_ATTR_MAC]) |
4147 | return -EINVAL; | |
4148 | ||
5727ef1b JB |
4149 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4150 | return -EINVAL; | |
4151 | ||
4152 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4153 | return -EINVAL; | |
4154 | ||
5e4b6f56 JM |
4155 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4156 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4157 | return -EINVAL; |
4158 | ||
5727ef1b JB |
4159 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4160 | params.supported_rates = | |
4161 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4162 | params.supported_rates_len = | |
4163 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4164 | params.listen_interval = | |
4165 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4166 | |
3d124ea2 | 4167 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4168 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4169 | else |
4170 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4171 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4172 | return -EINVAL; | |
51b50fbe | 4173 | |
9d62a986 JM |
4174 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4175 | params.capability = | |
4176 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4177 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4178 | } | |
4179 | ||
4180 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4181 | params.ext_capab = | |
4182 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4183 | params.ext_capab_len = | |
4184 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4185 | } | |
4186 | ||
36aedc90 JM |
4187 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4188 | params.ht_capa = | |
4189 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4190 | |
f461be3e MP |
4191 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4192 | params.vht_capa = | |
4193 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4194 | ||
60f4a7b1 MK |
4195 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4196 | params.opmode_notif_used = true; | |
4197 | params.opmode_notif = | |
4198 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4199 | } | |
4200 | ||
f8bacc21 | 4201 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4202 | params.plink_action = |
f8bacc21 JB |
4203 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4204 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4205 | return -EINVAL; | |
4206 | } | |
96b78dff | 4207 | |
c01fc9ad SD |
4208 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4209 | if (err) | |
4210 | return err; | |
4211 | ||
ff276691 JB |
4212 | err = nl80211_parse_sta_wme(info, ¶ms); |
4213 | if (err) | |
4214 | return err; | |
bdd90d5e | 4215 | |
bdd3ae3d | 4216 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4217 | return -EINVAL; |
4218 | ||
77ee7c89 JB |
4219 | /* When you run into this, adjust the code below for the new flag */ |
4220 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4221 | ||
bdd90d5e JB |
4222 | switch (dev->ieee80211_ptr->iftype) { |
4223 | case NL80211_IFTYPE_AP: | |
4224 | case NL80211_IFTYPE_AP_VLAN: | |
4225 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4226 | /* ignore WME attributes if iface/sta is not capable */ |
4227 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4228 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4229 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4230 | |
bdd90d5e | 4231 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4232 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4233 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4234 | return -EINVAL; |
bdd90d5e JB |
4235 | /* but don't bother the driver with it */ |
4236 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4237 | |
d582cffb JB |
4238 | /* allow authenticated/associated only if driver handles it */ |
4239 | if (!(rdev->wiphy.features & | |
4240 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4241 | params.sta_flags_mask & | |
4242 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4243 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4244 | return -EINVAL; | |
4245 | ||
bdd90d5e JB |
4246 | /* must be last in here for error handling */ |
4247 | params.vlan = get_vlan(info, rdev); | |
4248 | if (IS_ERR(params.vlan)) | |
4249 | return PTR_ERR(params.vlan); | |
4250 | break; | |
4251 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4252 | /* ignore uAPSD data */ |
4253 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4254 | ||
d582cffb JB |
4255 | /* associated is disallowed */ |
4256 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4257 | return -EINVAL; | |
bdd90d5e | 4258 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4259 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4260 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4261 | return -EINVAL; |
4262 | break; | |
4263 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4264 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4265 | /* ignore uAPSD data */ |
4266 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4267 | ||
77ee7c89 JB |
4268 | /* these are disallowed */ |
4269 | if (params.sta_flags_mask & | |
4270 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4271 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4272 | return -EINVAL; |
bdd90d5e JB |
4273 | /* Only TDLS peers can be added */ |
4274 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4275 | return -EINVAL; | |
4276 | /* Can only add if TDLS ... */ | |
4277 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4278 | return -EOPNOTSUPP; | |
4279 | /* ... with external setup is supported */ | |
4280 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4281 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4282 | /* |
4283 | * Older wpa_supplicant versions always mark the TDLS peer | |
4284 | * as authorized, but it shouldn't yet be. | |
4285 | */ | |
4286 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4287 | break; |
4288 | default: | |
4289 | return -EOPNOTSUPP; | |
c75786c9 EP |
4290 | } |
4291 | ||
bdd90d5e | 4292 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4293 | |
e35e4d28 | 4294 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4295 | |
5727ef1b JB |
4296 | if (params.vlan) |
4297 | dev_put(params.vlan); | |
5727ef1b JB |
4298 | return err; |
4299 | } | |
4300 | ||
4301 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4302 | { | |
4c476991 JB |
4303 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4304 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
4305 | u8 *mac_addr = NULL; |
4306 | ||
4307 | if (info->attrs[NL80211_ATTR_MAC]) | |
4308 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4309 | ||
e80cf853 | 4310 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4311 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4312 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4313 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4314 | return -EINVAL; | |
5727ef1b | 4315 | |
4c476991 JB |
4316 | if (!rdev->ops->del_station) |
4317 | return -EOPNOTSUPP; | |
3b85875a | 4318 | |
e35e4d28 | 4319 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
4320 | } |
4321 | ||
15e47304 | 4322 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4323 | int flags, struct net_device *dev, |
4324 | u8 *dst, u8 *next_hop, | |
4325 | struct mpath_info *pinfo) | |
4326 | { | |
4327 | void *hdr; | |
4328 | struct nlattr *pinfoattr; | |
4329 | ||
15e47304 | 4330 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
4331 | if (!hdr) |
4332 | return -1; | |
4333 | ||
9360ffd1 DM |
4334 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4335 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4336 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4337 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4338 | goto nla_put_failure; | |
f5ea9120 | 4339 | |
2ec600d6 LCC |
4340 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4341 | if (!pinfoattr) | |
4342 | goto nla_put_failure; | |
9360ffd1 DM |
4343 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4344 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4345 | pinfo->frame_qlen)) | |
4346 | goto nla_put_failure; | |
4347 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4348 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4349 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4350 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4351 | pinfo->metric)) || | |
4352 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4353 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4354 | pinfo->exptime)) || | |
4355 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4356 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4357 | pinfo->flags)) || | |
4358 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4359 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4360 | pinfo->discovery_timeout)) || | |
4361 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4362 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4363 | pinfo->discovery_retries))) | |
4364 | goto nla_put_failure; | |
2ec600d6 LCC |
4365 | |
4366 | nla_nest_end(msg, pinfoattr); | |
4367 | ||
4368 | return genlmsg_end(msg, hdr); | |
4369 | ||
4370 | nla_put_failure: | |
bc3ed28c TG |
4371 | genlmsg_cancel(msg, hdr); |
4372 | return -EMSGSIZE; | |
2ec600d6 LCC |
4373 | } |
4374 | ||
4375 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4376 | struct netlink_callback *cb) |
2ec600d6 | 4377 | { |
2ec600d6 LCC |
4378 | struct mpath_info pinfo; |
4379 | struct cfg80211_registered_device *dev; | |
97990a06 | 4380 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4381 | u8 dst[ETH_ALEN]; |
4382 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4383 | int path_idx = cb->args[2]; |
2ec600d6 | 4384 | int err; |
2ec600d6 | 4385 | |
97990a06 | 4386 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
4387 | if (err) |
4388 | return err; | |
bba95fef JB |
4389 | |
4390 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 4391 | err = -EOPNOTSUPP; |
bba95fef JB |
4392 | goto out_err; |
4393 | } | |
4394 | ||
97990a06 | 4395 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4396 | err = -EOPNOTSUPP; |
0448b5fc | 4397 | goto out_err; |
eec60b03 JM |
4398 | } |
4399 | ||
bba95fef | 4400 | while (1) { |
97990a06 JB |
4401 | err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst, |
4402 | next_hop, &pinfo); | |
bba95fef | 4403 | if (err == -ENOENT) |
2ec600d6 | 4404 | break; |
bba95fef | 4405 | if (err) |
3b85875a | 4406 | goto out_err; |
2ec600d6 | 4407 | |
15e47304 | 4408 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4409 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4410 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4411 | &pinfo) < 0) |
4412 | goto out; | |
2ec600d6 | 4413 | |
bba95fef | 4414 | path_idx++; |
2ec600d6 | 4415 | } |
2ec600d6 | 4416 | |
2ec600d6 | 4417 | |
bba95fef | 4418 | out: |
97990a06 | 4419 | cb->args[2] = path_idx; |
bba95fef | 4420 | err = skb->len; |
bba95fef | 4421 | out_err: |
97990a06 | 4422 | nl80211_finish_wdev_dump(dev); |
bba95fef | 4423 | return err; |
2ec600d6 LCC |
4424 | } |
4425 | ||
4426 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4427 | { | |
4c476991 | 4428 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4429 | int err; |
4c476991 | 4430 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4431 | struct mpath_info pinfo; |
4432 | struct sk_buff *msg; | |
4433 | u8 *dst = NULL; | |
4434 | u8 next_hop[ETH_ALEN]; | |
4435 | ||
4436 | memset(&pinfo, 0, sizeof(pinfo)); | |
4437 | ||
4438 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4439 | return -EINVAL; | |
4440 | ||
4441 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4442 | ||
4c476991 JB |
4443 | if (!rdev->ops->get_mpath) |
4444 | return -EOPNOTSUPP; | |
2ec600d6 | 4445 | |
4c476991 JB |
4446 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4447 | return -EOPNOTSUPP; | |
eec60b03 | 4448 | |
e35e4d28 | 4449 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4450 | if (err) |
4c476991 | 4451 | return err; |
2ec600d6 | 4452 | |
fd2120ca | 4453 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4454 | if (!msg) |
4c476991 | 4455 | return -ENOMEM; |
2ec600d6 | 4456 | |
15e47304 | 4457 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4458 | dev, dst, next_hop, &pinfo) < 0) { |
4459 | nlmsg_free(msg); | |
4460 | return -ENOBUFS; | |
4461 | } | |
3b85875a | 4462 | |
4c476991 | 4463 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4464 | } |
4465 | ||
4466 | static int nl80211_set_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->change_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_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4489 | } |
4c476991 | 4490 | |
2ec600d6 LCC |
4491 | static int nl80211_new_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 | u8 *next_hop = NULL; | |
4497 | ||
4498 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4499 | return -EINVAL; | |
4500 | ||
4501 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4502 | return -EINVAL; | |
4503 | ||
4504 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4505 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4506 | ||
4c476991 JB |
4507 | if (!rdev->ops->add_mpath) |
4508 | return -EOPNOTSUPP; | |
35a8efe1 | 4509 | |
4c476991 JB |
4510 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4511 | return -EOPNOTSUPP; | |
2ec600d6 | 4512 | |
e35e4d28 | 4513 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4514 | } |
4515 | ||
4516 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4517 | { | |
4c476991 JB |
4518 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4519 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4520 | u8 *dst = NULL; |
4521 | ||
4522 | if (info->attrs[NL80211_ATTR_MAC]) | |
4523 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4524 | ||
4c476991 JB |
4525 | if (!rdev->ops->del_mpath) |
4526 | return -EOPNOTSUPP; | |
3b85875a | 4527 | |
e35e4d28 | 4528 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4529 | } |
4530 | ||
9f1ba906 JM |
4531 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4532 | { | |
4c476991 JB |
4533 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4534 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 4535 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 4536 | struct bss_parameters params; |
c56589ed | 4537 | int err; |
9f1ba906 JM |
4538 | |
4539 | memset(¶ms, 0, sizeof(params)); | |
4540 | /* default to not changing parameters */ | |
4541 | params.use_cts_prot = -1; | |
4542 | params.use_short_preamble = -1; | |
4543 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4544 | params.ap_isolate = -1; |
50b12f59 | 4545 | params.ht_opmode = -1; |
53cabad7 JB |
4546 | params.p2p_ctwindow = -1; |
4547 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4548 | |
4549 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4550 | params.use_cts_prot = | |
4551 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4552 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4553 | params.use_short_preamble = | |
4554 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4555 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4556 | params.use_short_slot_time = | |
4557 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4558 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4559 | params.basic_rates = | |
4560 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4561 | params.basic_rates_len = | |
4562 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4563 | } | |
fd8aaaf3 FF |
4564 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4565 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4566 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4567 | params.ht_opmode = | |
4568 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4569 | |
53cabad7 JB |
4570 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4571 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4572 | return -EINVAL; | |
4573 | params.p2p_ctwindow = | |
4574 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4575 | if (params.p2p_ctwindow < 0) | |
4576 | return -EINVAL; | |
4577 | if (params.p2p_ctwindow != 0 && | |
4578 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4579 | return -EINVAL; | |
4580 | } | |
4581 | ||
4582 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4583 | u8 tmp; | |
4584 | ||
4585 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4586 | return -EINVAL; | |
4587 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4588 | if (tmp > 1) | |
4589 | return -EINVAL; | |
4590 | params.p2p_opp_ps = tmp; | |
4591 | if (params.p2p_opp_ps && | |
4592 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4593 | return -EINVAL; | |
4594 | } | |
4595 | ||
4c476991 JB |
4596 | if (!rdev->ops->change_bss) |
4597 | return -EOPNOTSUPP; | |
9f1ba906 | 4598 | |
074ac8df | 4599 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4600 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4601 | return -EOPNOTSUPP; | |
3b85875a | 4602 | |
c56589ed SW |
4603 | wdev_lock(wdev); |
4604 | err = rdev_change_bss(rdev, dev, ¶ms); | |
4605 | wdev_unlock(wdev); | |
4606 | ||
4607 | return err; | |
9f1ba906 JM |
4608 | } |
4609 | ||
b54452b0 | 4610 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4611 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4612 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4613 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4614 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4615 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4616 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
4617 | }; | |
4618 | ||
4619 | static int parse_reg_rule(struct nlattr *tb[], | |
4620 | struct ieee80211_reg_rule *reg_rule) | |
4621 | { | |
4622 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4623 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4624 | ||
4625 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4626 | return -EINVAL; | |
4627 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4628 | return -EINVAL; | |
4629 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4630 | return -EINVAL; | |
b0dfd2ea JD |
4631 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) |
4632 | return -EINVAL; | |
b2e1b302 LR |
4633 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) |
4634 | return -EINVAL; | |
4635 | ||
4636 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4637 | ||
4638 | freq_range->start_freq_khz = | |
4639 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4640 | freq_range->end_freq_khz = | |
4641 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
b0dfd2ea JD |
4642 | freq_range->max_bandwidth_khz = |
4643 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
b2e1b302 LR |
4644 | |
4645 | power_rule->max_eirp = | |
4646 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4647 | ||
4648 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4649 | power_rule->max_antenna_gain = | |
4650 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4651 | ||
4652 | return 0; | |
4653 | } | |
4654 | ||
4655 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4656 | { | |
4657 | int r; | |
4658 | char *data = NULL; | |
57b5ce07 | 4659 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4660 | |
80778f18 LR |
4661 | /* |
4662 | * You should only get this when cfg80211 hasn't yet initialized | |
4663 | * completely when built-in to the kernel right between the time | |
4664 | * window between nl80211_init() and regulatory_init(), if that is | |
4665 | * even possible. | |
4666 | */ | |
458f4f9e | 4667 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4668 | return -EINPROGRESS; |
80778f18 | 4669 | |
fe33eb39 LR |
4670 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4671 | return -EINVAL; | |
b2e1b302 LR |
4672 | |
4673 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4674 | ||
57b5ce07 LR |
4675 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4676 | user_reg_hint_type = | |
4677 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4678 | else | |
4679 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4680 | ||
4681 | switch (user_reg_hint_type) { | |
4682 | case NL80211_USER_REG_HINT_USER: | |
4683 | case NL80211_USER_REG_HINT_CELL_BASE: | |
4684 | break; | |
4685 | default: | |
4686 | return -EINVAL; | |
4687 | } | |
4688 | ||
4689 | r = regulatory_hint_user(data, user_reg_hint_type); | |
fe33eb39 | 4690 | |
b2e1b302 LR |
4691 | return r; |
4692 | } | |
4693 | ||
24bdd9f4 | 4694 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4695 | struct genl_info *info) |
93da9cc1 | 4696 | { |
4c476991 | 4697 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4698 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4699 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4700 | struct mesh_config cur_params; | |
4701 | int err = 0; | |
93da9cc1 | 4702 | void *hdr; |
4703 | struct nlattr *pinfoattr; | |
4704 | struct sk_buff *msg; | |
4705 | ||
29cbe68c JB |
4706 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4707 | return -EOPNOTSUPP; | |
4708 | ||
24bdd9f4 | 4709 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4710 | return -EOPNOTSUPP; |
f3f92586 | 4711 | |
29cbe68c JB |
4712 | wdev_lock(wdev); |
4713 | /* If not connected, get default parameters */ | |
4714 | if (!wdev->mesh_id_len) | |
4715 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4716 | else | |
e35e4d28 | 4717 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4718 | wdev_unlock(wdev); |
4719 | ||
93da9cc1 | 4720 | if (err) |
4c476991 | 4721 | return err; |
93da9cc1 | 4722 | |
4723 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4724 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4725 | if (!msg) |
4726 | return -ENOMEM; | |
15e47304 | 4727 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4728 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4729 | if (!hdr) |
efe1cf0c | 4730 | goto out; |
24bdd9f4 | 4731 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4732 | if (!pinfoattr) |
4733 | goto nla_put_failure; | |
9360ffd1 DM |
4734 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4735 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4736 | cur_params.dot11MeshRetryTimeout) || | |
4737 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4738 | cur_params.dot11MeshConfirmTimeout) || | |
4739 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4740 | cur_params.dot11MeshHoldingTimeout) || | |
4741 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4742 | cur_params.dot11MeshMaxPeerLinks) || | |
4743 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4744 | cur_params.dot11MeshMaxRetries) || | |
4745 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4746 | cur_params.dot11MeshTTL) || | |
4747 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4748 | cur_params.element_ttl) || | |
4749 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4750 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4751 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4752 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4753 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4754 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4755 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4756 | cur_params.path_refresh_time) || | |
4757 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4758 | cur_params.min_discovery_timeout) || | |
4759 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4760 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4761 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4762 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4763 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4764 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4765 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4766 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4767 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4768 | cur_params.dot11MeshHWMPRootMode) || | |
4769 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4770 | cur_params.dot11MeshHWMPRannInterval) || | |
4771 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4772 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4773 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4774 | cur_params.dot11MeshForwarding) || | |
4775 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4776 | cur_params.rssi_threshold) || |
4777 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4778 | cur_params.ht_opmode) || |
4779 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4780 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4781 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4782 | cur_params.dot11MeshHWMProotInterval) || |
4783 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4784 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4785 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4786 | cur_params.power_mode) || | |
4787 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
4788 | cur_params.dot11MeshAwakeWindowDuration) || |
4789 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4790 | cur_params.plink_timeout)) | |
9360ffd1 | 4791 | goto nla_put_failure; |
93da9cc1 | 4792 | nla_nest_end(msg, pinfoattr); |
4793 | genlmsg_end(msg, hdr); | |
4c476991 | 4794 | return genlmsg_reply(msg, info); |
93da9cc1 | 4795 | |
3b85875a | 4796 | nla_put_failure: |
93da9cc1 | 4797 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4798 | out: |
d080e275 | 4799 | nlmsg_free(msg); |
4c476991 | 4800 | return -ENOBUFS; |
93da9cc1 | 4801 | } |
4802 | ||
b54452b0 | 4803 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4804 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4805 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4806 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4807 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4808 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4809 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4810 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4811 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4812 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4813 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4814 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4815 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4816 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4817 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4818 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4819 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4820 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4821 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4822 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4823 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4824 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4825 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4826 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4827 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4828 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4829 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4830 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 4831 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 4832 | }; |
4833 | ||
c80d545d JC |
4834 | static const struct nla_policy |
4835 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4836 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4837 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4838 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4839 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 4840 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 4841 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 4842 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4843 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4844 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4845 | }; |
4846 | ||
24bdd9f4 | 4847 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4848 | struct mesh_config *cfg, |
4849 | u32 *mask_out) | |
93da9cc1 | 4850 | { |
93da9cc1 | 4851 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4852 | u32 mask = 0; |
93da9cc1 | 4853 | |
ea54fba2 MP |
4854 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4855 | do { \ | |
4856 | if (tb[attr]) { \ | |
4857 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4858 | return -EINVAL; \ | |
4859 | cfg->param = fn(tb[attr]); \ | |
4860 | mask |= (1 << (attr - 1)); \ | |
4861 | } \ | |
4862 | } while (0) | |
bd90fdcc JB |
4863 | |
4864 | ||
24bdd9f4 | 4865 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4866 | return -EINVAL; |
4867 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4868 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4869 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4870 | return -EINVAL; |
4871 | ||
93da9cc1 | 4872 | /* This makes sure that there aren't more than 32 mesh config |
4873 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4874 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4875 | ||
4876 | /* Fill in the params struct */ | |
ea54fba2 | 4877 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4878 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4879 | nla_get_u16); | |
ea54fba2 | 4880 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4881 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4882 | nla_get_u16); | |
ea54fba2 | 4883 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4884 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4885 | nla_get_u16); | |
ea54fba2 | 4886 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4887 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4888 | nla_get_u16); | |
ea54fba2 | 4889 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4890 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4891 | nla_get_u8); | |
ea54fba2 | 4892 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4893 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4894 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4895 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4896 | nla_get_u8); | |
ea54fba2 | 4897 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4898 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4899 | nla_get_u8); | |
ea54fba2 MP |
4900 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4901 | 1, 255, mask, | |
a4f606ea CYY |
4902 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4903 | nla_get_u32); | |
ea54fba2 | 4904 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4905 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4906 | nla_get_u8); | |
ea54fba2 | 4907 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4908 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4909 | nla_get_u32); | |
ea54fba2 | 4910 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4911 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4912 | nla_get_u16); | |
ea54fba2 MP |
4913 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4914 | 1, 65535, mask, | |
a4f606ea CYY |
4915 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4916 | nla_get_u32); | |
93da9cc1 | 4917 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4918 | 1, 65535, mask, |
4919 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4920 | nla_get_u16); |
dca7e943 | 4921 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4922 | 1, 65535, mask, |
4923 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4924 | nla_get_u16); |
93da9cc1 | 4925 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4926 | dot11MeshHWMPnetDiameterTraversalTime, |
4927 | 1, 65535, mask, | |
a4f606ea CYY |
4928 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
4929 | nla_get_u16); | |
ea54fba2 MP |
4930 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
4931 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4932 | nla_get_u8); | |
4933 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
4934 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 4935 | nla_get_u16); |
63c5723b | 4936 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4937 | dot11MeshGateAnnouncementProtocol, 0, 1, |
4938 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 4939 | nla_get_u8); |
ea54fba2 | 4940 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
4941 | mask, NL80211_MESHCONF_FORWARDING, |
4942 | nla_get_u8); | |
83374fe9 | 4943 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 4944 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 4945 | nla_get_s32); |
ea54fba2 | 4946 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 4947 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
4948 | nla_get_u16); |
4949 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 4950 | 1, 65535, mask, |
ac1073a6 CYY |
4951 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
4952 | nla_get_u32); | |
ea54fba2 | 4953 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 4954 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
4955 | nla_get_u16); |
4956 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
4957 | dot11MeshHWMPconfirmationInterval, |
4958 | 1, 65535, mask, | |
728b19e5 | 4959 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 4960 | nla_get_u16); |
3b1c5a53 MP |
4961 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
4962 | NL80211_MESH_POWER_ACTIVE, | |
4963 | NL80211_MESH_POWER_MAX, | |
4964 | mask, NL80211_MESHCONF_POWER_MODE, | |
4965 | nla_get_u32); | |
4966 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
4967 | 0, 65535, mask, | |
4968 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
4969 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
4970 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4971 | nla_get_u32); | |
bd90fdcc JB |
4972 | if (mask_out) |
4973 | *mask_out = mask; | |
c80d545d | 4974 | |
bd90fdcc JB |
4975 | return 0; |
4976 | ||
4977 | #undef FILL_IN_MESH_PARAM_IF_SET | |
4978 | } | |
4979 | ||
c80d545d JC |
4980 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
4981 | struct mesh_setup *setup) | |
4982 | { | |
bb2798d4 | 4983 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
4984 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
4985 | ||
4986 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
4987 | return -EINVAL; | |
4988 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
4989 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
4990 | nl80211_mesh_setup_params_policy)) | |
4991 | return -EINVAL; | |
4992 | ||
d299a1f2 JC |
4993 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
4994 | setup->sync_method = | |
4995 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
4996 | IEEE80211_SYNC_METHOD_VENDOR : | |
4997 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
4998 | ||
c80d545d JC |
4999 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5000 | setup->path_sel_proto = | |
5001 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5002 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5003 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5004 | ||
5005 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5006 | setup->path_metric = | |
5007 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5008 | IEEE80211_PATH_METRIC_VENDOR : | |
5009 | IEEE80211_PATH_METRIC_AIRTIME; | |
5010 | ||
581a8b0f JC |
5011 | |
5012 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 5013 | struct nlattr *ieattr = |
581a8b0f | 5014 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5015 | if (!is_valid_ie_attr(ieattr)) |
5016 | return -EINVAL; | |
581a8b0f JC |
5017 | setup->ie = nla_data(ieattr); |
5018 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5019 | } |
bb2798d4 TP |
5020 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5021 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5022 | return -EINVAL; | |
5023 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5024 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5025 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5026 | if (setup->is_secure) |
5027 | setup->user_mpm = true; | |
c80d545d | 5028 | |
6e16d90b CT |
5029 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5030 | if (!setup->user_mpm) | |
5031 | return -EINVAL; | |
5032 | setup->auth_id = | |
5033 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5034 | } | |
5035 | ||
c80d545d JC |
5036 | return 0; |
5037 | } | |
5038 | ||
24bdd9f4 | 5039 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5040 | struct genl_info *info) |
bd90fdcc JB |
5041 | { |
5042 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5043 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5044 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5045 | struct mesh_config cfg; |
5046 | u32 mask; | |
5047 | int err; | |
5048 | ||
29cbe68c JB |
5049 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5050 | return -EOPNOTSUPP; | |
5051 | ||
24bdd9f4 | 5052 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5053 | return -EOPNOTSUPP; |
5054 | ||
24bdd9f4 | 5055 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5056 | if (err) |
5057 | return err; | |
5058 | ||
29cbe68c JB |
5059 | wdev_lock(wdev); |
5060 | if (!wdev->mesh_id_len) | |
5061 | err = -ENOLINK; | |
5062 | ||
5063 | if (!err) | |
e35e4d28 | 5064 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5065 | |
5066 | wdev_unlock(wdev); | |
5067 | ||
5068 | return err; | |
93da9cc1 | 5069 | } |
5070 | ||
f130347c LR |
5071 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
5072 | { | |
458f4f9e | 5073 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
5074 | struct sk_buff *msg; |
5075 | void *hdr = NULL; | |
5076 | struct nlattr *nl_reg_rules; | |
5077 | unsigned int i; | |
f130347c LR |
5078 | |
5079 | if (!cfg80211_regdomain) | |
5fe231e8 | 5080 | return -EINVAL; |
f130347c | 5081 | |
fd2120ca | 5082 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
5fe231e8 JB |
5083 | if (!msg) |
5084 | return -ENOBUFS; | |
f130347c | 5085 | |
15e47304 | 5086 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
5087 | NL80211_CMD_GET_REG); |
5088 | if (!hdr) | |
efe1cf0c | 5089 | goto put_failure; |
f130347c | 5090 | |
57b5ce07 LR |
5091 | if (reg_last_request_cell_base() && |
5092 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5093 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5094 | goto nla_put_failure; | |
5095 | ||
458f4f9e JB |
5096 | rcu_read_lock(); |
5097 | regdom = rcu_dereference(cfg80211_regdomain); | |
5098 | ||
5099 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
5100 | (regdom->dfs_region && | |
5101 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
5102 | goto nla_put_failure_rcu; | |
5103 | ||
f130347c LR |
5104 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5105 | if (!nl_reg_rules) | |
458f4f9e | 5106 | goto nla_put_failure_rcu; |
f130347c | 5107 | |
458f4f9e | 5108 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5109 | struct nlattr *nl_reg_rule; |
5110 | const struct ieee80211_reg_rule *reg_rule; | |
5111 | const struct ieee80211_freq_range *freq_range; | |
5112 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 5113 | unsigned int max_bandwidth_khz; |
f130347c | 5114 | |
458f4f9e | 5115 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5116 | freq_range = ®_rule->freq_range; |
5117 | power_rule = ®_rule->power_rule; | |
5118 | ||
5119 | nl_reg_rule = nla_nest_start(msg, i); | |
5120 | if (!nl_reg_rule) | |
458f4f9e | 5121 | goto nla_put_failure_rcu; |
f130347c | 5122 | |
97524820 JD |
5123 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
5124 | if (!max_bandwidth_khz) | |
5125 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
5126 | reg_rule); | |
5127 | ||
9360ffd1 DM |
5128 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5129 | reg_rule->flags) || | |
5130 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5131 | freq_range->start_freq_khz) || | |
5132 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5133 | freq_range->end_freq_khz) || | |
5134 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 5135 | max_bandwidth_khz) || |
9360ffd1 DM |
5136 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
5137 | power_rule->max_antenna_gain) || | |
5138 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
5139 | power_rule->max_eirp)) | |
458f4f9e | 5140 | goto nla_put_failure_rcu; |
f130347c LR |
5141 | |
5142 | nla_nest_end(msg, nl_reg_rule); | |
5143 | } | |
458f4f9e | 5144 | rcu_read_unlock(); |
f130347c LR |
5145 | |
5146 | nla_nest_end(msg, nl_reg_rules); | |
5147 | ||
5148 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5149 | return genlmsg_reply(msg, info); |
f130347c | 5150 | |
458f4f9e JB |
5151 | nla_put_failure_rcu: |
5152 | rcu_read_unlock(); | |
f130347c LR |
5153 | nla_put_failure: |
5154 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5155 | put_failure: |
d080e275 | 5156 | nlmsg_free(msg); |
5fe231e8 | 5157 | return -EMSGSIZE; |
f130347c LR |
5158 | } |
5159 | ||
b2e1b302 LR |
5160 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5161 | { | |
5162 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5163 | struct nlattr *nl_reg_rule; | |
5164 | char *alpha2 = NULL; | |
5165 | int rem_reg_rules = 0, r = 0; | |
5166 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
4c7d3982 | 5167 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
b2e1b302 LR |
5168 | struct ieee80211_regdomain *rd = NULL; |
5169 | ||
5170 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5171 | return -EINVAL; | |
5172 | ||
5173 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5174 | return -EINVAL; | |
5175 | ||
5176 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5177 | ||
8b60b078 LR |
5178 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5179 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5180 | ||
b2e1b302 | 5181 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5182 | rem_reg_rules) { |
b2e1b302 LR |
5183 | num_rules++; |
5184 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5185 | return -EINVAL; |
b2e1b302 LR |
5186 | } |
5187 | ||
e438768f LR |
5188 | if (!reg_is_valid_request(alpha2)) |
5189 | return -EINVAL; | |
5190 | ||
b2e1b302 | 5191 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5192 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5193 | |
5194 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5195 | if (!rd) |
5196 | return -ENOMEM; | |
b2e1b302 LR |
5197 | |
5198 | rd->n_reg_rules = num_rules; | |
5199 | rd->alpha2[0] = alpha2[0]; | |
5200 | rd->alpha2[1] = alpha2[1]; | |
5201 | ||
8b60b078 LR |
5202 | /* |
5203 | * Disable DFS master mode if the DFS region was | |
5204 | * not supported or known on this kernel. | |
5205 | */ | |
5206 | if (reg_supported_dfs_region(dfs_region)) | |
5207 | rd->dfs_region = dfs_region; | |
5208 | ||
b2e1b302 | 5209 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5210 | rem_reg_rules) { |
ae811e21 JB |
5211 | r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
5212 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
5213 | reg_rule_policy); | |
5214 | if (r) | |
5215 | goto bad_reg; | |
b2e1b302 LR |
5216 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5217 | if (r) | |
5218 | goto bad_reg; | |
5219 | ||
5220 | rule_idx++; | |
5221 | ||
d0e18f83 LR |
5222 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5223 | r = -EINVAL; | |
b2e1b302 | 5224 | goto bad_reg; |
d0e18f83 | 5225 | } |
b2e1b302 LR |
5226 | } |
5227 | ||
b2e1b302 | 5228 | r = set_regdom(rd); |
6913b49a | 5229 | /* set_regdom took ownership */ |
1a919318 | 5230 | rd = NULL; |
b2e1b302 | 5231 | |
d2372b31 | 5232 | bad_reg: |
b2e1b302 | 5233 | kfree(rd); |
d0e18f83 | 5234 | return r; |
b2e1b302 LR |
5235 | } |
5236 | ||
83f5e2cf JB |
5237 | static int validate_scan_freqs(struct nlattr *freqs) |
5238 | { | |
5239 | struct nlattr *attr1, *attr2; | |
5240 | int n_channels = 0, tmp1, tmp2; | |
5241 | ||
5242 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5243 | n_channels++; | |
5244 | /* | |
5245 | * Some hardware has a limited channel list for | |
5246 | * scanning, and it is pretty much nonsensical | |
5247 | * to scan for a channel twice, so disallow that | |
5248 | * and don't require drivers to check that the | |
5249 | * channel list they get isn't longer than what | |
5250 | * they can scan, as long as they can scan all | |
5251 | * the channels they registered at once. | |
5252 | */ | |
5253 | nla_for_each_nested(attr2, freqs, tmp2) | |
5254 | if (attr1 != attr2 && | |
5255 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5256 | return 0; | |
5257 | } | |
5258 | ||
5259 | return n_channels; | |
5260 | } | |
5261 | ||
2a519311 JB |
5262 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5263 | { | |
4c476991 | 5264 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5265 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5266 | struct cfg80211_scan_request *request; |
2a519311 JB |
5267 | struct nlattr *attr; |
5268 | struct wiphy *wiphy; | |
83f5e2cf | 5269 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5270 | size_t ie_len; |
2a519311 | 5271 | |
f4a11bb0 JB |
5272 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5273 | return -EINVAL; | |
5274 | ||
79c97e97 | 5275 | wiphy = &rdev->wiphy; |
2a519311 | 5276 | |
4c476991 JB |
5277 | if (!rdev->ops->scan) |
5278 | return -EOPNOTSUPP; | |
2a519311 | 5279 | |
f9d15d16 | 5280 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
5281 | err = -EBUSY; |
5282 | goto unlock; | |
5283 | } | |
2a519311 JB |
5284 | |
5285 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5286 | n_channels = validate_scan_freqs( |
5287 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5288 | if (!n_channels) { |
5289 | err = -EINVAL; | |
5290 | goto unlock; | |
5291 | } | |
2a519311 | 5292 | } else { |
bdfbec2d | 5293 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
5294 | } |
5295 | ||
5296 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5297 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5298 | n_ssids++; | |
5299 | ||
f9f47529 JB |
5300 | if (n_ssids > wiphy->max_scan_ssids) { |
5301 | err = -EINVAL; | |
5302 | goto unlock; | |
5303 | } | |
2a519311 | 5304 | |
70692ad2 JM |
5305 | if (info->attrs[NL80211_ATTR_IE]) |
5306 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5307 | else | |
5308 | ie_len = 0; | |
5309 | ||
f9f47529 JB |
5310 | if (ie_len > wiphy->max_scan_ie_len) { |
5311 | err = -EINVAL; | |
5312 | goto unlock; | |
5313 | } | |
18a83659 | 5314 | |
2a519311 | 5315 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5316 | + sizeof(*request->ssids) * n_ssids |
5317 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5318 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5319 | if (!request) { |
5320 | err = -ENOMEM; | |
5321 | goto unlock; | |
5322 | } | |
2a519311 | 5323 | |
2a519311 | 5324 | if (n_ssids) |
5ba63533 | 5325 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5326 | request->n_ssids = n_ssids; |
70692ad2 JM |
5327 | if (ie_len) { |
5328 | if (request->ssids) | |
5329 | request->ie = (void *)(request->ssids + n_ssids); | |
5330 | else | |
5331 | request->ie = (void *)(request->channels + n_channels); | |
5332 | } | |
2a519311 | 5333 | |
584991dc | 5334 | i = 0; |
2a519311 JB |
5335 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5336 | /* user specified, bail out if channel not found */ | |
2a519311 | 5337 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5338 | struct ieee80211_channel *chan; |
5339 | ||
5340 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5341 | ||
5342 | if (!chan) { | |
2a519311 JB |
5343 | err = -EINVAL; |
5344 | goto out_free; | |
5345 | } | |
584991dc JB |
5346 | |
5347 | /* ignore disabled channels */ | |
5348 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5349 | continue; | |
5350 | ||
5351 | request->channels[i] = chan; | |
2a519311 JB |
5352 | i++; |
5353 | } | |
5354 | } else { | |
34850ab2 JB |
5355 | enum ieee80211_band band; |
5356 | ||
2a519311 | 5357 | /* all channels */ |
2a519311 JB |
5358 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5359 | int j; | |
5360 | if (!wiphy->bands[band]) | |
5361 | continue; | |
5362 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5363 | struct ieee80211_channel *chan; |
5364 | ||
5365 | chan = &wiphy->bands[band]->channels[j]; | |
5366 | ||
5367 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5368 | continue; | |
5369 | ||
5370 | request->channels[i] = chan; | |
2a519311 JB |
5371 | i++; |
5372 | } | |
5373 | } | |
5374 | } | |
5375 | ||
584991dc JB |
5376 | if (!i) { |
5377 | err = -EINVAL; | |
5378 | goto out_free; | |
5379 | } | |
5380 | ||
5381 | request->n_channels = i; | |
5382 | ||
2a519311 JB |
5383 | i = 0; |
5384 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5385 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5386 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5387 | err = -EINVAL; |
5388 | goto out_free; | |
5389 | } | |
57a27e1d | 5390 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5391 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5392 | i++; |
5393 | } | |
5394 | } | |
5395 | ||
70692ad2 JM |
5396 | if (info->attrs[NL80211_ATTR_IE]) { |
5397 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5398 | memcpy((void *)request->ie, |
5399 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5400 | request->ie_len); |
5401 | } | |
5402 | ||
34850ab2 | 5403 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5404 | if (wiphy->bands[i]) |
5405 | request->rates[i] = | |
5406 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5407 | |
5408 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5409 | nla_for_each_nested(attr, | |
5410 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5411 | tmp) { | |
5412 | enum ieee80211_band band = nla_type(attr); | |
5413 | ||
84404623 | 5414 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5415 | err = -EINVAL; |
5416 | goto out_free; | |
5417 | } | |
1b09cd82 FF |
5418 | |
5419 | if (!wiphy->bands[band]) | |
5420 | continue; | |
5421 | ||
34850ab2 JB |
5422 | err = ieee80211_get_ratemask(wiphy->bands[band], |
5423 | nla_data(attr), | |
5424 | nla_len(attr), | |
5425 | &request->rates[band]); | |
5426 | if (err) | |
5427 | goto out_free; | |
5428 | } | |
5429 | } | |
5430 | ||
46856bbf | 5431 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5432 | request->flags = nla_get_u32( |
5433 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5434 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5435 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5436 | err = -EOPNOTSUPP; |
5437 | goto out_free; | |
5438 | } | |
5439 | } | |
ed473771 | 5440 | |
e9f935e3 RM |
5441 | request->no_cck = |
5442 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5443 | ||
fd014284 | 5444 | request->wdev = wdev; |
79c97e97 | 5445 | request->wiphy = &rdev->wiphy; |
15d6030b | 5446 | request->scan_start = jiffies; |
2a519311 | 5447 | |
79c97e97 | 5448 | rdev->scan_req = request; |
e35e4d28 | 5449 | err = rdev_scan(rdev, request); |
2a519311 | 5450 | |
463d0183 | 5451 | if (!err) { |
fd014284 JB |
5452 | nl80211_send_scan_start(rdev, wdev); |
5453 | if (wdev->netdev) | |
5454 | dev_hold(wdev->netdev); | |
4c476991 | 5455 | } else { |
2a519311 | 5456 | out_free: |
79c97e97 | 5457 | rdev->scan_req = NULL; |
2a519311 JB |
5458 | kfree(request); |
5459 | } | |
3b85875a | 5460 | |
f9f47529 | 5461 | unlock: |
2a519311 JB |
5462 | return err; |
5463 | } | |
5464 | ||
807f8a8c LC |
5465 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5466 | struct genl_info *info) | |
5467 | { | |
5468 | struct cfg80211_sched_scan_request *request; | |
5469 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5470 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5471 | struct nlattr *attr; |
5472 | struct wiphy *wiphy; | |
a1f1c21c | 5473 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5474 | u32 interval; |
807f8a8c LC |
5475 | enum ieee80211_band band; |
5476 | size_t ie_len; | |
a1f1c21c | 5477 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 5478 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c LC |
5479 | |
5480 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5481 | !rdev->ops->sched_scan_start) | |
5482 | return -EOPNOTSUPP; | |
5483 | ||
5484 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5485 | return -EINVAL; | |
5486 | ||
bbe6ad6d LC |
5487 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5488 | return -EINVAL; | |
5489 | ||
5490 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5491 | if (interval == 0) | |
5492 | return -EINVAL; | |
5493 | ||
807f8a8c LC |
5494 | wiphy = &rdev->wiphy; |
5495 | ||
5496 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5497 | n_channels = validate_scan_freqs( | |
5498 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5499 | if (!n_channels) | |
5500 | return -EINVAL; | |
5501 | } else { | |
bdfbec2d | 5502 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
5503 | } |
5504 | ||
5505 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5506 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5507 | tmp) | |
5508 | n_ssids++; | |
5509 | ||
93b6aa69 | 5510 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5511 | return -EINVAL; |
5512 | ||
ea73cbce JB |
5513 | /* |
5514 | * First, count the number of 'real' matchsets. Due to an issue with | |
5515 | * the old implementation, matchsets containing only the RSSI attribute | |
5516 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
5517 | * RSSI for all matchsets, rather than their own matchset for reporting | |
5518 | * all APs with a strong RSSI. This is needed to be compatible with | |
5519 | * older userspace that treated a matchset with only the RSSI as the | |
5520 | * global RSSI for all other matchsets - if there are other matchsets. | |
5521 | */ | |
5522 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
a1f1c21c LC |
5523 | nla_for_each_nested(attr, |
5524 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
ea73cbce JB |
5525 | tmp) { |
5526 | struct nlattr *rssi; | |
5527 | ||
5528 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5529 | nla_data(attr), nla_len(attr), | |
5530 | nl80211_match_policy); | |
5531 | if (err) | |
5532 | return err; | |
5533 | /* add other standalone attributes here */ | |
5534 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
5535 | n_match_sets++; | |
5536 | continue; | |
5537 | } | |
5538 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
5539 | if (rssi) | |
5540 | default_match_rssi = nla_get_s32(rssi); | |
5541 | } | |
5542 | } | |
5543 | ||
5544 | /* However, if there's no other matchset, add the RSSI one */ | |
5545 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
5546 | n_match_sets = 1; | |
a1f1c21c LC |
5547 | |
5548 | if (n_match_sets > wiphy->max_match_sets) | |
5549 | return -EINVAL; | |
5550 | ||
807f8a8c LC |
5551 | if (info->attrs[NL80211_ATTR_IE]) |
5552 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5553 | else | |
5554 | ie_len = 0; | |
5555 | ||
5a865bad | 5556 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5557 | return -EINVAL; |
5558 | ||
c10841ca LC |
5559 | if (rdev->sched_scan_req) { |
5560 | err = -EINPROGRESS; | |
5561 | goto out; | |
5562 | } | |
5563 | ||
807f8a8c | 5564 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5565 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5566 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5567 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5568 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5569 | if (!request) { |
5570 | err = -ENOMEM; | |
5571 | goto out; | |
5572 | } | |
807f8a8c LC |
5573 | |
5574 | if (n_ssids) | |
5575 | request->ssids = (void *)&request->channels[n_channels]; | |
5576 | request->n_ssids = n_ssids; | |
5577 | if (ie_len) { | |
5578 | if (request->ssids) | |
5579 | request->ie = (void *)(request->ssids + n_ssids); | |
5580 | else | |
5581 | request->ie = (void *)(request->channels + n_channels); | |
5582 | } | |
5583 | ||
a1f1c21c LC |
5584 | if (n_match_sets) { |
5585 | if (request->ie) | |
5586 | request->match_sets = (void *)(request->ie + ie_len); | |
5587 | else if (request->ssids) | |
5588 | request->match_sets = | |
5589 | (void *)(request->ssids + n_ssids); | |
5590 | else | |
5591 | request->match_sets = | |
5592 | (void *)(request->channels + n_channels); | |
5593 | } | |
5594 | request->n_match_sets = n_match_sets; | |
5595 | ||
807f8a8c LC |
5596 | i = 0; |
5597 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5598 | /* user specified, bail out if channel not found */ | |
5599 | nla_for_each_nested(attr, | |
5600 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5601 | tmp) { | |
5602 | struct ieee80211_channel *chan; | |
5603 | ||
5604 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5605 | ||
5606 | if (!chan) { | |
5607 | err = -EINVAL; | |
5608 | goto out_free; | |
5609 | } | |
5610 | ||
5611 | /* ignore disabled channels */ | |
5612 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5613 | continue; | |
5614 | ||
5615 | request->channels[i] = chan; | |
5616 | i++; | |
5617 | } | |
5618 | } else { | |
5619 | /* all channels */ | |
5620 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5621 | int j; | |
5622 | if (!wiphy->bands[band]) | |
5623 | continue; | |
5624 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5625 | struct ieee80211_channel *chan; | |
5626 | ||
5627 | chan = &wiphy->bands[band]->channels[j]; | |
5628 | ||
5629 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5630 | continue; | |
5631 | ||
5632 | request->channels[i] = chan; | |
5633 | i++; | |
5634 | } | |
5635 | } | |
5636 | } | |
5637 | ||
5638 | if (!i) { | |
5639 | err = -EINVAL; | |
5640 | goto out_free; | |
5641 | } | |
5642 | ||
5643 | request->n_channels = i; | |
5644 | ||
5645 | i = 0; | |
5646 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5647 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5648 | tmp) { | |
57a27e1d | 5649 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5650 | err = -EINVAL; |
5651 | goto out_free; | |
5652 | } | |
57a27e1d | 5653 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5654 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5655 | nla_len(attr)); | |
807f8a8c LC |
5656 | i++; |
5657 | } | |
5658 | } | |
5659 | ||
a1f1c21c LC |
5660 | i = 0; |
5661 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5662 | nla_for_each_nested(attr, | |
5663 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5664 | tmp) { | |
88e920b4 | 5665 | struct nlattr *ssid, *rssi; |
a1f1c21c | 5666 | |
ae811e21 JB |
5667 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, |
5668 | nla_data(attr), nla_len(attr), | |
5669 | nl80211_match_policy); | |
5670 | if (err) | |
5671 | goto out_free; | |
4a4ab0d7 | 5672 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 5673 | if (ssid) { |
ea73cbce JB |
5674 | if (WARN_ON(i >= n_match_sets)) { |
5675 | /* this indicates a programming error, | |
5676 | * the loop above should have verified | |
5677 | * things properly | |
5678 | */ | |
5679 | err = -EINVAL; | |
5680 | goto out_free; | |
5681 | } | |
5682 | ||
a1f1c21c LC |
5683 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
5684 | err = -EINVAL; | |
5685 | goto out_free; | |
5686 | } | |
5687 | memcpy(request->match_sets[i].ssid.ssid, | |
5688 | nla_data(ssid), nla_len(ssid)); | |
5689 | request->match_sets[i].ssid.ssid_len = | |
5690 | nla_len(ssid); | |
ea73cbce JB |
5691 | /* special attribute - old implemenation w/a */ |
5692 | request->match_sets[i].rssi_thold = | |
5693 | default_match_rssi; | |
5694 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
5695 | if (rssi) | |
5696 | request->match_sets[i].rssi_thold = | |
5697 | nla_get_s32(rssi); | |
a1f1c21c LC |
5698 | } |
5699 | i++; | |
5700 | } | |
ea73cbce JB |
5701 | |
5702 | /* there was no other matchset, so the RSSI one is alone */ | |
5703 | if (i == 0) | |
5704 | request->match_sets[0].rssi_thold = default_match_rssi; | |
5705 | ||
5706 | request->min_rssi_thold = INT_MAX; | |
5707 | for (i = 0; i < n_match_sets; i++) | |
5708 | request->min_rssi_thold = | |
5709 | min(request->match_sets[i].rssi_thold, | |
5710 | request->min_rssi_thold); | |
5711 | } else { | |
5712 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5713 | } |
5714 | ||
9900e484 JB |
5715 | if (ie_len) { |
5716 | request->ie_len = ie_len; | |
807f8a8c LC |
5717 | memcpy((void *)request->ie, |
5718 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5719 | request->ie_len); | |
5720 | } | |
5721 | ||
46856bbf | 5722 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5723 | request->flags = nla_get_u32( |
5724 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5725 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5726 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5727 | err = -EOPNOTSUPP; |
5728 | goto out_free; | |
5729 | } | |
5730 | } | |
ed473771 | 5731 | |
807f8a8c LC |
5732 | request->dev = dev; |
5733 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5734 | request->interval = interval; |
15d6030b | 5735 | request->scan_start = jiffies; |
807f8a8c | 5736 | |
e35e4d28 | 5737 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5738 | if (!err) { |
5739 | rdev->sched_scan_req = request; | |
5740 | nl80211_send_sched_scan(rdev, dev, | |
5741 | NL80211_CMD_START_SCHED_SCAN); | |
5742 | goto out; | |
5743 | } | |
5744 | ||
5745 | out_free: | |
5746 | kfree(request); | |
5747 | out: | |
5748 | return err; | |
5749 | } | |
5750 | ||
5751 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5752 | struct genl_info *info) | |
5753 | { | |
5754 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5755 | ||
5756 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5757 | !rdev->ops->sched_scan_stop) | |
5758 | return -EOPNOTSUPP; | |
5759 | ||
5fe231e8 | 5760 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
5761 | } |
5762 | ||
04f39047 SW |
5763 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5764 | struct genl_info *info) | |
5765 | { | |
5766 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5767 | struct net_device *dev = info->user_ptr[1]; | |
5768 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5769 | struct cfg80211_chan_def chandef; | |
55f7435c | 5770 | enum nl80211_dfs_regions dfs_region; |
04f39047 SW |
5771 | int err; |
5772 | ||
55f7435c LR |
5773 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
5774 | if (dfs_region == NL80211_DFS_UNSET) | |
5775 | return -EINVAL; | |
5776 | ||
04f39047 SW |
5777 | err = nl80211_parse_chandef(rdev, info, &chandef); |
5778 | if (err) | |
5779 | return err; | |
5780 | ||
ff311bc1 SW |
5781 | if (netif_carrier_ok(dev)) |
5782 | return -EBUSY; | |
5783 | ||
04f39047 SW |
5784 | if (wdev->cac_started) |
5785 | return -EBUSY; | |
5786 | ||
5787 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); | |
5788 | if (err < 0) | |
5789 | return err; | |
5790 | ||
5791 | if (err == 0) | |
5792 | return -EINVAL; | |
5793 | ||
fe7c3a1f | 5794 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
5795 | return -EINVAL; |
5796 | ||
5797 | if (!rdev->ops->start_radar_detection) | |
5798 | return -EOPNOTSUPP; | |
5799 | ||
04f39047 SW |
5800 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
5801 | chandef.chan, CHAN_MODE_SHARED, | |
5802 | BIT(chandef.width)); | |
5803 | if (err) | |
5fe231e8 | 5804 | return err; |
04f39047 SW |
5805 | |
5806 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); | |
5807 | if (!err) { | |
9e0e2961 | 5808 | wdev->chandef = chandef; |
04f39047 SW |
5809 | wdev->cac_started = true; |
5810 | wdev->cac_start_time = jiffies; | |
5811 | } | |
04f39047 SW |
5812 | return err; |
5813 | } | |
5814 | ||
16ef1fe2 SW |
5815 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
5816 | { | |
5817 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5818 | struct net_device *dev = info->user_ptr[1]; | |
5819 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5820 | struct cfg80211_csa_settings params; | |
5821 | /* csa_attrs is defined static to avoid waste of stack size - this | |
5822 | * function is called under RTNL lock, so this should not be a problem. | |
5823 | */ | |
5824 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
5825 | u8 radar_detect_width = 0; | |
5826 | int err; | |
ee4bc9e7 | 5827 | bool need_new_beacon = false; |
16ef1fe2 SW |
5828 | |
5829 | if (!rdev->ops->channel_switch || | |
5830 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
5831 | return -EOPNOTSUPP; | |
5832 | ||
ee4bc9e7 SW |
5833 | switch (dev->ieee80211_ptr->iftype) { |
5834 | case NL80211_IFTYPE_AP: | |
5835 | case NL80211_IFTYPE_P2P_GO: | |
5836 | need_new_beacon = true; | |
5837 | ||
5838 | /* useless if AP is not running */ | |
5839 | if (!wdev->beacon_interval) | |
1ff79dfa | 5840 | return -ENOTCONN; |
ee4bc9e7 SW |
5841 | break; |
5842 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
5843 | if (!wdev->ssid_len) |
5844 | return -ENOTCONN; | |
5845 | break; | |
c6da674a | 5846 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
5847 | if (!wdev->mesh_id_len) |
5848 | return -ENOTCONN; | |
ee4bc9e7 SW |
5849 | break; |
5850 | default: | |
16ef1fe2 | 5851 | return -EOPNOTSUPP; |
ee4bc9e7 | 5852 | } |
16ef1fe2 SW |
5853 | |
5854 | memset(¶ms, 0, sizeof(params)); | |
5855 | ||
5856 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5857 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
5858 | return -EINVAL; | |
5859 | ||
5860 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 5861 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
5862 | return -EINVAL; |
5863 | ||
5864 | params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
5865 | ||
ee4bc9e7 SW |
5866 | if (!need_new_beacon) |
5867 | goto skip_beacons; | |
5868 | ||
16ef1fe2 SW |
5869 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
5870 | if (err) | |
5871 | return err; | |
5872 | ||
5873 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
5874 | info->attrs[NL80211_ATTR_CSA_IES], | |
5875 | nl80211_policy); | |
5876 | if (err) | |
5877 | return err; | |
5878 | ||
5879 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
5880 | if (err) | |
5881 | return err; | |
5882 | ||
5883 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
5884 | return -EINVAL; | |
5885 | ||
5886 | params.counter_offset_beacon = | |
5887 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
5888 | if (params.counter_offset_beacon >= params.beacon_csa.tail_len) | |
5889 | return -EINVAL; | |
5890 | ||
5891 | /* sanity check - counters should be the same */ | |
5892 | if (params.beacon_csa.tail[params.counter_offset_beacon] != | |
5893 | params.count) | |
5894 | return -EINVAL; | |
5895 | ||
5896 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { | |
5897 | params.counter_offset_presp = | |
5898 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
5899 | if (params.counter_offset_presp >= | |
5900 | params.beacon_csa.probe_resp_len) | |
5901 | return -EINVAL; | |
5902 | ||
5903 | if (params.beacon_csa.probe_resp[params.counter_offset_presp] != | |
5904 | params.count) | |
5905 | return -EINVAL; | |
5906 | } | |
5907 | ||
ee4bc9e7 | 5908 | skip_beacons: |
16ef1fe2 SW |
5909 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
5910 | if (err) | |
5911 | return err; | |
5912 | ||
5913 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) | |
5914 | return -EINVAL; | |
5915 | ||
e5d2f954 LC |
5916 | switch (dev->ieee80211_ptr->iftype) { |
5917 | case NL80211_IFTYPE_AP: | |
5918 | case NL80211_IFTYPE_P2P_GO: | |
5919 | case NL80211_IFTYPE_ADHOC: | |
5920 | case NL80211_IFTYPE_MESH_POINT: | |
ee4bc9e7 SW |
5921 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
5922 | ¶ms.chandef); | |
e5d2f954 | 5923 | if (err < 0) |
ee4bc9e7 | 5924 | return err; |
e5d2f954 | 5925 | if (err) { |
ee4bc9e7 SW |
5926 | radar_detect_width = BIT(params.chandef.width); |
5927 | params.radar_required = true; | |
5928 | } | |
e5d2f954 LC |
5929 | break; |
5930 | default: | |
5931 | break; | |
16ef1fe2 SW |
5932 | } |
5933 | ||
5934 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, | |
5935 | params.chandef.chan, | |
5936 | CHAN_MODE_SHARED, | |
5937 | radar_detect_width); | |
5938 | if (err) | |
5939 | return err; | |
5940 | ||
5941 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) | |
5942 | params.block_tx = true; | |
5943 | ||
c56589ed SW |
5944 | wdev_lock(wdev); |
5945 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
5946 | wdev_unlock(wdev); | |
5947 | ||
5948 | return err; | |
16ef1fe2 SW |
5949 | } |
5950 | ||
9720bb3a JB |
5951 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
5952 | u32 seq, int flags, | |
2a519311 | 5953 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
5954 | struct wireless_dev *wdev, |
5955 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 5956 | { |
48ab905d | 5957 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 5958 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
5959 | void *hdr; |
5960 | struct nlattr *bss; | |
8cef2c9d | 5961 | bool tsf = false; |
48ab905d JB |
5962 | |
5963 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 5964 | |
15e47304 | 5965 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
5966 | NL80211_CMD_NEW_SCAN_RESULTS); |
5967 | if (!hdr) | |
5968 | return -1; | |
5969 | ||
9720bb3a JB |
5970 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
5971 | ||
97990a06 JB |
5972 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
5973 | goto nla_put_failure; | |
5974 | if (wdev->netdev && | |
9360ffd1 DM |
5975 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
5976 | goto nla_put_failure; | |
97990a06 JB |
5977 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
5978 | goto nla_put_failure; | |
2a519311 JB |
5979 | |
5980 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
5981 | if (!bss) | |
5982 | goto nla_put_failure; | |
9360ffd1 | 5983 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 5984 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 5985 | goto nla_put_failure; |
9caf0364 JB |
5986 | |
5987 | rcu_read_lock(); | |
5988 | ies = rcu_dereference(res->ies); | |
8cef2c9d JB |
5989 | if (ies) { |
5990 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5991 | goto fail_unlock_rcu; | |
5992 | tsf = true; | |
5993 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
5994 | ies->len, ies->data)) | |
5995 | goto fail_unlock_rcu; | |
9caf0364 JB |
5996 | } |
5997 | ies = rcu_dereference(res->beacon_ies); | |
8cef2c9d JB |
5998 | if (ies) { |
5999 | if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
6000 | goto fail_unlock_rcu; | |
6001 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
6002 | ies->len, ies->data)) | |
6003 | goto fail_unlock_rcu; | |
9caf0364 JB |
6004 | } |
6005 | rcu_read_unlock(); | |
6006 | ||
9360ffd1 DM |
6007 | if (res->beacon_interval && |
6008 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
6009 | goto nla_put_failure; | |
6010 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
6011 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 6012 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
6013 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
6014 | jiffies_to_msecs(jiffies - intbss->ts))) | |
6015 | goto nla_put_failure; | |
2a519311 | 6016 | |
77965c97 | 6017 | switch (rdev->wiphy.signal_type) { |
2a519311 | 6018 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
6019 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
6020 | goto nla_put_failure; | |
2a519311 JB |
6021 | break; |
6022 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
6023 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
6024 | goto nla_put_failure; | |
2a519311 JB |
6025 | break; |
6026 | default: | |
6027 | break; | |
6028 | } | |
6029 | ||
48ab905d | 6030 | switch (wdev->iftype) { |
074ac8df | 6031 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 6032 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
6033 | if (intbss == wdev->current_bss && |
6034 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6035 | NL80211_BSS_STATUS_ASSOCIATED)) | |
6036 | goto nla_put_failure; | |
48ab905d JB |
6037 | break; |
6038 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
6039 | if (intbss == wdev->current_bss && |
6040 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6041 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
6042 | goto nla_put_failure; | |
48ab905d JB |
6043 | break; |
6044 | default: | |
6045 | break; | |
6046 | } | |
6047 | ||
2a519311 JB |
6048 | nla_nest_end(msg, bss); |
6049 | ||
6050 | return genlmsg_end(msg, hdr); | |
6051 | ||
8cef2c9d JB |
6052 | fail_unlock_rcu: |
6053 | rcu_read_unlock(); | |
2a519311 JB |
6054 | nla_put_failure: |
6055 | genlmsg_cancel(msg, hdr); | |
6056 | return -EMSGSIZE; | |
6057 | } | |
6058 | ||
97990a06 | 6059 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 6060 | { |
48ab905d | 6061 | struct cfg80211_registered_device *rdev; |
2a519311 | 6062 | struct cfg80211_internal_bss *scan; |
48ab905d | 6063 | struct wireless_dev *wdev; |
97990a06 | 6064 | int start = cb->args[2], idx = 0; |
2a519311 JB |
6065 | int err; |
6066 | ||
97990a06 | 6067 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6068 | if (err) |
6069 | return err; | |
2a519311 | 6070 | |
48ab905d JB |
6071 | wdev_lock(wdev); |
6072 | spin_lock_bh(&rdev->bss_lock); | |
6073 | cfg80211_bss_expire(rdev); | |
6074 | ||
9720bb3a JB |
6075 | cb->seq = rdev->bss_generation; |
6076 | ||
48ab905d | 6077 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
6078 | if (++idx <= start) |
6079 | continue; | |
9720bb3a | 6080 | if (nl80211_send_bss(skb, cb, |
2a519311 | 6081 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 6082 | rdev, wdev, scan) < 0) { |
2a519311 | 6083 | idx--; |
67748893 | 6084 | break; |
2a519311 JB |
6085 | } |
6086 | } | |
6087 | ||
48ab905d JB |
6088 | spin_unlock_bh(&rdev->bss_lock); |
6089 | wdev_unlock(wdev); | |
2a519311 | 6090 | |
97990a06 JB |
6091 | cb->args[2] = idx; |
6092 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 6093 | |
67748893 | 6094 | return skb->len; |
2a519311 JB |
6095 | } |
6096 | ||
15e47304 | 6097 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
6098 | int flags, struct net_device *dev, |
6099 | struct survey_info *survey) | |
6100 | { | |
6101 | void *hdr; | |
6102 | struct nlattr *infoattr; | |
6103 | ||
15e47304 | 6104 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
6105 | NL80211_CMD_NEW_SURVEY_RESULTS); |
6106 | if (!hdr) | |
6107 | return -ENOMEM; | |
6108 | ||
9360ffd1 DM |
6109 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
6110 | goto nla_put_failure; | |
61fa713c HS |
6111 | |
6112 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
6113 | if (!infoattr) | |
6114 | goto nla_put_failure; | |
6115 | ||
9360ffd1 DM |
6116 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
6117 | survey->channel->center_freq)) | |
6118 | goto nla_put_failure; | |
6119 | ||
6120 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
6121 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
6122 | goto nla_put_failure; | |
6123 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
6124 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
6125 | goto nla_put_failure; | |
6126 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
6127 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
6128 | survey->channel_time)) | |
6129 | goto nla_put_failure; | |
6130 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
6131 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
6132 | survey->channel_time_busy)) | |
6133 | goto nla_put_failure; | |
6134 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
6135 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
6136 | survey->channel_time_ext_busy)) | |
6137 | goto nla_put_failure; | |
6138 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
6139 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
6140 | survey->channel_time_rx)) | |
6141 | goto nla_put_failure; | |
6142 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
6143 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
6144 | survey->channel_time_tx)) | |
6145 | goto nla_put_failure; | |
61fa713c HS |
6146 | |
6147 | nla_nest_end(msg, infoattr); | |
6148 | ||
6149 | return genlmsg_end(msg, hdr); | |
6150 | ||
6151 | nla_put_failure: | |
6152 | genlmsg_cancel(msg, hdr); | |
6153 | return -EMSGSIZE; | |
6154 | } | |
6155 | ||
6156 | static int nl80211_dump_survey(struct sk_buff *skb, | |
6157 | struct netlink_callback *cb) | |
6158 | { | |
6159 | struct survey_info survey; | |
6160 | struct cfg80211_registered_device *dev; | |
97990a06 JB |
6161 | struct wireless_dev *wdev; |
6162 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6163 | int res; |
6164 | ||
97990a06 | 6165 | res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
6166 | if (res) |
6167 | return res; | |
61fa713c | 6168 | |
97990a06 JB |
6169 | if (!wdev->netdev) { |
6170 | res = -EINVAL; | |
6171 | goto out_err; | |
6172 | } | |
6173 | ||
61fa713c HS |
6174 | if (!dev->ops->dump_survey) { |
6175 | res = -EOPNOTSUPP; | |
6176 | goto out_err; | |
6177 | } | |
6178 | ||
6179 | while (1) { | |
180cdc79 LR |
6180 | struct ieee80211_channel *chan; |
6181 | ||
97990a06 | 6182 | res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6183 | if (res == -ENOENT) |
6184 | break; | |
6185 | if (res) | |
6186 | goto out_err; | |
6187 | ||
180cdc79 LR |
6188 | /* Survey without a channel doesn't make sense */ |
6189 | if (!survey.channel) { | |
6190 | res = -EINVAL; | |
6191 | goto out; | |
6192 | } | |
6193 | ||
6194 | chan = ieee80211_get_channel(&dev->wiphy, | |
6195 | survey.channel->center_freq); | |
6196 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
6197 | survey_idx++; | |
6198 | continue; | |
6199 | } | |
6200 | ||
61fa713c | 6201 | if (nl80211_send_survey(skb, |
15e47304 | 6202 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6203 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6204 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6205 | goto out; |
6206 | survey_idx++; | |
6207 | } | |
6208 | ||
6209 | out: | |
97990a06 | 6210 | cb->args[2] = survey_idx; |
61fa713c HS |
6211 | res = skb->len; |
6212 | out_err: | |
97990a06 | 6213 | nl80211_finish_wdev_dump(dev); |
61fa713c HS |
6214 | return res; |
6215 | } | |
6216 | ||
b23aa676 SO |
6217 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6218 | { | |
6219 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6220 | NL80211_WPA_VERSION_2)); | |
6221 | } | |
6222 | ||
636a5d36 JM |
6223 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6224 | { | |
4c476991 JB |
6225 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6226 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6227 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6228 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6229 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6230 | enum nl80211_auth_type auth_type; |
fffd0934 | 6231 | struct key_parse key; |
d5cdfacb | 6232 | bool local_state_change; |
636a5d36 | 6233 | |
f4a11bb0 JB |
6234 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6235 | return -EINVAL; | |
6236 | ||
6237 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6238 | return -EINVAL; | |
6239 | ||
1778092e JM |
6240 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6241 | return -EINVAL; | |
6242 | ||
19957bb3 JB |
6243 | if (!info->attrs[NL80211_ATTR_SSID]) |
6244 | return -EINVAL; | |
6245 | ||
6246 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6247 | return -EINVAL; | |
6248 | ||
fffd0934 JB |
6249 | err = nl80211_parse_key(info, &key); |
6250 | if (err) | |
6251 | return err; | |
6252 | ||
6253 | if (key.idx >= 0) { | |
e31b8213 JB |
6254 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6255 | return -EINVAL; | |
fffd0934 JB |
6256 | if (!key.p.key || !key.p.key_len) |
6257 | return -EINVAL; | |
6258 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6259 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6260 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6261 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6262 | return -EINVAL; | |
6263 | if (key.idx > 4) | |
6264 | return -EINVAL; | |
6265 | } else { | |
6266 | key.p.key_len = 0; | |
6267 | key.p.key = NULL; | |
6268 | } | |
6269 | ||
afea0b7a JB |
6270 | if (key.idx >= 0) { |
6271 | int i; | |
6272 | bool ok = false; | |
6273 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6274 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6275 | ok = true; | |
6276 | break; | |
6277 | } | |
6278 | } | |
4c476991 JB |
6279 | if (!ok) |
6280 | return -EINVAL; | |
afea0b7a JB |
6281 | } |
6282 | ||
4c476991 JB |
6283 | if (!rdev->ops->auth) |
6284 | return -EOPNOTSUPP; | |
636a5d36 | 6285 | |
074ac8df | 6286 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6287 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6288 | return -EOPNOTSUPP; | |
eec60b03 | 6289 | |
19957bb3 | 6290 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
6291 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6292 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6293 | if (!chan) | |
4c476991 | 6294 | return -EINVAL; |
636a5d36 | 6295 | |
19957bb3 JB |
6296 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6297 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6298 | |
6299 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6300 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6301 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6302 | } |
6303 | ||
19957bb3 | 6304 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6305 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6306 | return -EINVAL; |
636a5d36 | 6307 | |
e39e5b5e JM |
6308 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6309 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6310 | return -EINVAL; | |
6311 | ||
6312 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6313 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6314 | return -EINVAL; | |
6315 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6316 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6317 | /* need to include at least Auth Transaction and Status Code */ | |
6318 | if (sae_data_len < 4) | |
6319 | return -EINVAL; | |
6320 | } | |
6321 | ||
d5cdfacb JM |
6322 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6323 | ||
95de817b JB |
6324 | /* |
6325 | * Since we no longer track auth state, ignore | |
6326 | * requests to only change local state. | |
6327 | */ | |
6328 | if (local_state_change) | |
6329 | return 0; | |
6330 | ||
91bf9b26 JB |
6331 | wdev_lock(dev->ieee80211_ptr); |
6332 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6333 | ssid, ssid_len, ie, ie_len, | |
6334 | key.p.key, key.p.key_len, key.idx, | |
6335 | sae_data, sae_data_len); | |
6336 | wdev_unlock(dev->ieee80211_ptr); | |
6337 | return err; | |
636a5d36 JM |
6338 | } |
6339 | ||
c0692b8f JB |
6340 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6341 | struct genl_info *info, | |
3dc27d25 JB |
6342 | struct cfg80211_crypto_settings *settings, |
6343 | int cipher_limit) | |
b23aa676 | 6344 | { |
c0b2bbd8 JB |
6345 | memset(settings, 0, sizeof(*settings)); |
6346 | ||
b23aa676 SO |
6347 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6348 | ||
c0692b8f JB |
6349 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6350 | u16 proto; | |
6351 | proto = nla_get_u16( | |
6352 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6353 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6354 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6355 | proto != ETH_P_PAE) | |
6356 | return -EINVAL; | |
6357 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6358 | settings->control_port_no_encrypt = true; | |
6359 | } else | |
6360 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6361 | ||
b23aa676 SO |
6362 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6363 | void *data; | |
6364 | int len, i; | |
6365 | ||
6366 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6367 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6368 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6369 | ||
6370 | if (len % sizeof(u32)) | |
6371 | return -EINVAL; | |
6372 | ||
3dc27d25 | 6373 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6374 | return -EINVAL; |
6375 | ||
6376 | memcpy(settings->ciphers_pairwise, data, len); | |
6377 | ||
6378 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6379 | if (!cfg80211_supported_cipher_suite( |
6380 | &rdev->wiphy, | |
b23aa676 SO |
6381 | settings->ciphers_pairwise[i])) |
6382 | return -EINVAL; | |
6383 | } | |
6384 | ||
6385 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6386 | settings->cipher_group = | |
6387 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6388 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6389 | settings->cipher_group)) | |
b23aa676 SO |
6390 | return -EINVAL; |
6391 | } | |
6392 | ||
6393 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6394 | settings->wpa_versions = | |
6395 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6396 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6397 | return -EINVAL; | |
6398 | } | |
6399 | ||
6400 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6401 | void *data; | |
6d30240e | 6402 | int len; |
b23aa676 SO |
6403 | |
6404 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6405 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6406 | settings->n_akm_suites = len / sizeof(u32); | |
6407 | ||
6408 | if (len % sizeof(u32)) | |
6409 | return -EINVAL; | |
6410 | ||
1b9ca027 JM |
6411 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6412 | return -EINVAL; | |
6413 | ||
b23aa676 | 6414 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6415 | } |
6416 | ||
6417 | return 0; | |
6418 | } | |
6419 | ||
636a5d36 JM |
6420 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6421 | { | |
4c476991 JB |
6422 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6423 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6424 | struct ieee80211_channel *chan; |
f62fab73 JB |
6425 | struct cfg80211_assoc_request req = {}; |
6426 | const u8 *bssid, *ssid; | |
6427 | int err, ssid_len = 0; | |
636a5d36 | 6428 | |
f4a11bb0 JB |
6429 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6430 | return -EINVAL; | |
6431 | ||
6432 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6433 | !info->attrs[NL80211_ATTR_SSID] || |
6434 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6435 | return -EINVAL; |
6436 | ||
4c476991 JB |
6437 | if (!rdev->ops->assoc) |
6438 | return -EOPNOTSUPP; | |
636a5d36 | 6439 | |
074ac8df | 6440 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6441 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6442 | return -EOPNOTSUPP; | |
eec60b03 | 6443 | |
19957bb3 | 6444 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6445 | |
664834de JM |
6446 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6447 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6448 | if (!chan) | |
4c476991 | 6449 | return -EINVAL; |
636a5d36 | 6450 | |
19957bb3 JB |
6451 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6452 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6453 | |
6454 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6455 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6456 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6457 | } |
6458 | ||
dc6382ce | 6459 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6460 | enum nl80211_mfp mfp = |
dc6382ce | 6461 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6462 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6463 | req.use_mfp = true; |
4c476991 JB |
6464 | else if (mfp != NL80211_MFP_NO) |
6465 | return -EINVAL; | |
dc6382ce JM |
6466 | } |
6467 | ||
3e5d7649 | 6468 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6469 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6470 | |
7e7c8926 | 6471 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6472 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6473 | |
6474 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6475 | memcpy(&req.ht_capa_mask, |
6476 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6477 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6478 | |
6479 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6480 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6481 | return -EINVAL; |
f62fab73 JB |
6482 | memcpy(&req.ht_capa, |
6483 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6484 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6485 | } |
6486 | ||
ee2aca34 | 6487 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6488 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6489 | |
6490 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6491 | memcpy(&req.vht_capa_mask, |
6492 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6493 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6494 | |
6495 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6496 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6497 | return -EINVAL; |
f62fab73 JB |
6498 | memcpy(&req.vht_capa, |
6499 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6500 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6501 | } |
6502 | ||
f62fab73 | 6503 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6504 | if (!err) { |
6505 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6506 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6507 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6508 | wdev_unlock(dev->ieee80211_ptr); |
6509 | } | |
636a5d36 | 6510 | |
636a5d36 JM |
6511 | return err; |
6512 | } | |
6513 | ||
6514 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6515 | { | |
4c476991 JB |
6516 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6517 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6518 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6519 | int ie_len = 0, err; |
19957bb3 | 6520 | u16 reason_code; |
d5cdfacb | 6521 | bool local_state_change; |
636a5d36 | 6522 | |
f4a11bb0 JB |
6523 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6524 | return -EINVAL; | |
6525 | ||
6526 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6527 | return -EINVAL; | |
6528 | ||
6529 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6530 | return -EINVAL; | |
6531 | ||
4c476991 JB |
6532 | if (!rdev->ops->deauth) |
6533 | return -EOPNOTSUPP; | |
636a5d36 | 6534 | |
074ac8df | 6535 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6536 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6537 | return -EOPNOTSUPP; | |
eec60b03 | 6538 | |
19957bb3 | 6539 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6540 | |
19957bb3 JB |
6541 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6542 | if (reason_code == 0) { | |
f4a11bb0 | 6543 | /* Reason Code 0 is reserved */ |
4c476991 | 6544 | return -EINVAL; |
255e737e | 6545 | } |
636a5d36 JM |
6546 | |
6547 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6548 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6549 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6550 | } |
6551 | ||
d5cdfacb JM |
6552 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6553 | ||
91bf9b26 JB |
6554 | wdev_lock(dev->ieee80211_ptr); |
6555 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6556 | local_state_change); | |
6557 | wdev_unlock(dev->ieee80211_ptr); | |
6558 | return err; | |
636a5d36 JM |
6559 | } |
6560 | ||
6561 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6562 | { | |
4c476991 JB |
6563 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6564 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6565 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6566 | int ie_len = 0, err; |
19957bb3 | 6567 | u16 reason_code; |
d5cdfacb | 6568 | bool local_state_change; |
636a5d36 | 6569 | |
f4a11bb0 JB |
6570 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6571 | return -EINVAL; | |
6572 | ||
6573 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6574 | return -EINVAL; | |
6575 | ||
6576 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6577 | return -EINVAL; | |
6578 | ||
4c476991 JB |
6579 | if (!rdev->ops->disassoc) |
6580 | return -EOPNOTSUPP; | |
636a5d36 | 6581 | |
074ac8df | 6582 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6583 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6584 | return -EOPNOTSUPP; | |
eec60b03 | 6585 | |
19957bb3 | 6586 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6587 | |
19957bb3 JB |
6588 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6589 | if (reason_code == 0) { | |
f4a11bb0 | 6590 | /* Reason Code 0 is reserved */ |
4c476991 | 6591 | return -EINVAL; |
255e737e | 6592 | } |
636a5d36 JM |
6593 | |
6594 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6595 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6596 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6597 | } |
6598 | ||
d5cdfacb JM |
6599 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6600 | ||
91bf9b26 JB |
6601 | wdev_lock(dev->ieee80211_ptr); |
6602 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6603 | local_state_change); | |
6604 | wdev_unlock(dev->ieee80211_ptr); | |
6605 | return err; | |
636a5d36 JM |
6606 | } |
6607 | ||
dd5b4cc7 FF |
6608 | static bool |
6609 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6610 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6611 | int rateval) | |
6612 | { | |
6613 | struct wiphy *wiphy = &rdev->wiphy; | |
6614 | bool found = false; | |
6615 | int band, i; | |
6616 | ||
6617 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6618 | struct ieee80211_supported_band *sband; | |
6619 | ||
6620 | sband = wiphy->bands[band]; | |
6621 | if (!sband) | |
6622 | continue; | |
6623 | ||
6624 | for (i = 0; i < sband->n_bitrates; i++) { | |
6625 | if (sband->bitrates[i].bitrate == rateval) { | |
6626 | mcast_rate[band] = i + 1; | |
6627 | found = true; | |
6628 | break; | |
6629 | } | |
6630 | } | |
6631 | } | |
6632 | ||
6633 | return found; | |
6634 | } | |
6635 | ||
04a773ad JB |
6636 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
6637 | { | |
4c476991 JB |
6638 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6639 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
6640 | struct cfg80211_ibss_params ibss; |
6641 | struct wiphy *wiphy; | |
fffd0934 | 6642 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6643 | int err; |
6644 | ||
8e30bc55 JB |
6645 | memset(&ibss, 0, sizeof(ibss)); |
6646 | ||
04a773ad JB |
6647 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6648 | return -EINVAL; | |
6649 | ||
683b6d3b | 6650 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6651 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6652 | return -EINVAL; | |
6653 | ||
8e30bc55 JB |
6654 | ibss.beacon_interval = 100; |
6655 | ||
6656 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6657 | ibss.beacon_interval = | |
6658 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6659 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6660 | return -EINVAL; | |
6661 | } | |
6662 | ||
4c476991 JB |
6663 | if (!rdev->ops->join_ibss) |
6664 | return -EOPNOTSUPP; | |
04a773ad | 6665 | |
4c476991 JB |
6666 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6667 | return -EOPNOTSUPP; | |
04a773ad | 6668 | |
79c97e97 | 6669 | wiphy = &rdev->wiphy; |
04a773ad | 6670 | |
39193498 | 6671 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6672 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6673 | |
6674 | if (!is_valid_ether_addr(ibss.bssid)) | |
6675 | return -EINVAL; | |
6676 | } | |
04a773ad JB |
6677 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6678 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6679 | ||
6680 | if (info->attrs[NL80211_ATTR_IE]) { | |
6681 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6682 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6683 | } | |
6684 | ||
683b6d3b JB |
6685 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6686 | if (err) | |
6687 | return err; | |
04a773ad | 6688 | |
683b6d3b | 6689 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) |
54858ee5 AS |
6690 | return -EINVAL; |
6691 | ||
2f301ab2 | 6692 | switch (ibss.chandef.width) { |
bf372645 SW |
6693 | case NL80211_CHAN_WIDTH_5: |
6694 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
6695 | case NL80211_CHAN_WIDTH_20_NOHT: |
6696 | break; | |
6697 | case NL80211_CHAN_WIDTH_20: | |
6698 | case NL80211_CHAN_WIDTH_40: | |
6699 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
6700 | break; | |
6701 | default: | |
c04d6150 | 6702 | return -EINVAL; |
2f301ab2 | 6703 | } |
db9c64cf | 6704 | |
04a773ad | 6705 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6706 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6707 | ||
fbd2c8dc TP |
6708 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6709 | u8 *rates = | |
6710 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6711 | int n_rates = | |
6712 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6713 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6714 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6715 | |
34850ab2 JB |
6716 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6717 | &ibss.basic_rates); | |
6718 | if (err) | |
6719 | return err; | |
fbd2c8dc | 6720 | } |
dd5b4cc7 | 6721 | |
803768f5 SW |
6722 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
6723 | memcpy(&ibss.ht_capa_mask, | |
6724 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6725 | sizeof(ibss.ht_capa_mask)); | |
6726 | ||
6727 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
6728 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6729 | return -EINVAL; | |
6730 | memcpy(&ibss.ht_capa, | |
6731 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6732 | sizeof(ibss.ht_capa)); | |
6733 | } | |
6734 | ||
dd5b4cc7 FF |
6735 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6736 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6737 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6738 | return -EINVAL; | |
fbd2c8dc | 6739 | |
4c476991 | 6740 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6741 | bool no_ht = false; |
6742 | ||
4c476991 | 6743 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6744 | info->attrs[NL80211_ATTR_KEYS], |
6745 | &no_ht); | |
4c476991 JB |
6746 | if (IS_ERR(connkeys)) |
6747 | return PTR_ERR(connkeys); | |
de7044ee | 6748 | |
3d9d1d66 JB |
6749 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6750 | no_ht) { | |
de7044ee SM |
6751 | kfree(connkeys); |
6752 | return -EINVAL; | |
6753 | } | |
4c476991 | 6754 | } |
04a773ad | 6755 | |
267335d6 AQ |
6756 | ibss.control_port = |
6757 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6758 | ||
5336fa88 SW |
6759 | ibss.userspace_handles_dfs = |
6760 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
6761 | ||
4c476991 | 6762 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
6763 | if (err) |
6764 | kfree(connkeys); | |
04a773ad JB |
6765 | return err; |
6766 | } | |
6767 | ||
6768 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6769 | { | |
4c476991 JB |
6770 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6771 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6772 | |
4c476991 JB |
6773 | if (!rdev->ops->leave_ibss) |
6774 | return -EOPNOTSUPP; | |
04a773ad | 6775 | |
4c476991 JB |
6776 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6777 | return -EOPNOTSUPP; | |
04a773ad | 6778 | |
4c476991 | 6779 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6780 | } |
6781 | ||
f4e583c8 AQ |
6782 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6783 | { | |
6784 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6785 | struct net_device *dev = info->user_ptr[1]; | |
6786 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6787 | u32 nla_rate; | |
6788 | int err; | |
6789 | ||
6790 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6791 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6792 | return -EOPNOTSUPP; | |
6793 | ||
6794 | if (!rdev->ops->set_mcast_rate) | |
6795 | return -EOPNOTSUPP; | |
6796 | ||
6797 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6798 | ||
6799 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6800 | return -EINVAL; | |
6801 | ||
6802 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6803 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6804 | return -EINVAL; | |
6805 | ||
6806 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6807 | ||
6808 | return err; | |
6809 | } | |
6810 | ||
ad7e718c JB |
6811 | static struct sk_buff * |
6812 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6813 | int approxlen, u32 portid, u32 seq, | |
6814 | enum nl80211_commands cmd, | |
567ffc35 JB |
6815 | enum nl80211_attrs attr, |
6816 | const struct nl80211_vendor_cmd_info *info, | |
6817 | gfp_t gfp) | |
ad7e718c JB |
6818 | { |
6819 | struct sk_buff *skb; | |
6820 | void *hdr; | |
6821 | struct nlattr *data; | |
6822 | ||
6823 | skb = nlmsg_new(approxlen + 100, gfp); | |
6824 | if (!skb) | |
6825 | return NULL; | |
6826 | ||
6827 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
6828 | if (!hdr) { | |
6829 | kfree_skb(skb); | |
6830 | return NULL; | |
6831 | } | |
6832 | ||
6833 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
6834 | goto nla_put_failure; | |
567ffc35 JB |
6835 | |
6836 | if (info) { | |
6837 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
6838 | info->vendor_id)) | |
6839 | goto nla_put_failure; | |
6840 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
6841 | info->subcmd)) | |
6842 | goto nla_put_failure; | |
6843 | } | |
6844 | ||
ad7e718c JB |
6845 | data = nla_nest_start(skb, attr); |
6846 | ||
6847 | ((void **)skb->cb)[0] = rdev; | |
6848 | ((void **)skb->cb)[1] = hdr; | |
6849 | ((void **)skb->cb)[2] = data; | |
6850 | ||
6851 | return skb; | |
6852 | ||
6853 | nla_put_failure: | |
6854 | kfree_skb(skb); | |
6855 | return NULL; | |
6856 | } | |
f4e583c8 | 6857 | |
e03ad6ea JB |
6858 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6859 | enum nl80211_commands cmd, | |
6860 | enum nl80211_attrs attr, | |
6861 | int vendor_event_idx, | |
6862 | int approxlen, gfp_t gfp) | |
6863 | { | |
6864 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6865 | const struct nl80211_vendor_cmd_info *info; | |
6866 | ||
6867 | switch (cmd) { | |
6868 | case NL80211_CMD_TESTMODE: | |
6869 | if (WARN_ON(vendor_event_idx != -1)) | |
6870 | return NULL; | |
6871 | info = NULL; | |
6872 | break; | |
6873 | case NL80211_CMD_VENDOR: | |
6874 | if (WARN_ON(vendor_event_idx < 0 || | |
6875 | vendor_event_idx >= wiphy->n_vendor_events)) | |
6876 | return NULL; | |
6877 | info = &wiphy->vendor_events[vendor_event_idx]; | |
6878 | break; | |
6879 | default: | |
6880 | WARN_ON(1); | |
6881 | return NULL; | |
6882 | } | |
6883 | ||
6884 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, | |
6885 | cmd, attr, info, gfp); | |
6886 | } | |
6887 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
6888 | ||
6889 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
6890 | { | |
6891 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
6892 | void *hdr = ((void **)skb->cb)[1]; | |
6893 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6894 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
6895 | ||
6896 | nla_nest_end(skb, data); | |
6897 | genlmsg_end(skb, hdr); | |
6898 | ||
6899 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
6900 | mcgrp = NL80211_MCGRP_VENDOR; | |
6901 | ||
6902 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
6903 | mcgrp, gfp); | |
6904 | } | |
6905 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
6906 | ||
aff89a9b | 6907 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
6908 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
6909 | { | |
4c476991 | 6910 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
6911 | struct wireless_dev *wdev = |
6912 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
6913 | int err; |
6914 | ||
fc73f11f DS |
6915 | if (!rdev->ops->testmode_cmd) |
6916 | return -EOPNOTSUPP; | |
6917 | ||
6918 | if (IS_ERR(wdev)) { | |
6919 | err = PTR_ERR(wdev); | |
6920 | if (err != -EINVAL) | |
6921 | return err; | |
6922 | wdev = NULL; | |
6923 | } else if (wdev->wiphy != &rdev->wiphy) { | |
6924 | return -EINVAL; | |
6925 | } | |
6926 | ||
aff89a9b JB |
6927 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
6928 | return -EINVAL; | |
6929 | ||
ad7e718c | 6930 | rdev->cur_cmd_info = info; |
fc73f11f | 6931 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
6932 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
6933 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 6934 | rdev->cur_cmd_info = NULL; |
aff89a9b | 6935 | |
aff89a9b JB |
6936 | return err; |
6937 | } | |
6938 | ||
71063f0e WYG |
6939 | static int nl80211_testmode_dump(struct sk_buff *skb, |
6940 | struct netlink_callback *cb) | |
6941 | { | |
00918d33 | 6942 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
6943 | int err; |
6944 | long phy_idx; | |
6945 | void *data = NULL; | |
6946 | int data_len = 0; | |
6947 | ||
5fe231e8 JB |
6948 | rtnl_lock(); |
6949 | ||
71063f0e WYG |
6950 | if (cb->args[0]) { |
6951 | /* | |
6952 | * 0 is a valid index, but not valid for args[0], | |
6953 | * so we need to offset by 1. | |
6954 | */ | |
6955 | phy_idx = cb->args[0] - 1; | |
6956 | } else { | |
6957 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
6958 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
6959 | nl80211_policy); | |
6960 | if (err) | |
5fe231e8 | 6961 | goto out_err; |
00918d33 | 6962 | |
2bd7e35d JB |
6963 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
6964 | nl80211_fam.attrbuf); | |
6965 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
6966 | err = PTR_ERR(rdev); |
6967 | goto out_err; | |
00918d33 | 6968 | } |
2bd7e35d JB |
6969 | phy_idx = rdev->wiphy_idx; |
6970 | rdev = NULL; | |
2bd7e35d | 6971 | |
71063f0e WYG |
6972 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
6973 | cb->args[1] = | |
6974 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
6975 | } | |
6976 | ||
6977 | if (cb->args[1]) { | |
6978 | data = nla_data((void *)cb->args[1]); | |
6979 | data_len = nla_len((void *)cb->args[1]); | |
6980 | } | |
6981 | ||
00918d33 JB |
6982 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
6983 | if (!rdev) { | |
5fe231e8 JB |
6984 | err = -ENOENT; |
6985 | goto out_err; | |
71063f0e | 6986 | } |
71063f0e | 6987 | |
00918d33 | 6988 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
6989 | err = -EOPNOTSUPP; |
6990 | goto out_err; | |
6991 | } | |
6992 | ||
6993 | while (1) { | |
15e47304 | 6994 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
6995 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
6996 | NL80211_CMD_TESTMODE); | |
6997 | struct nlattr *tmdata; | |
6998 | ||
cb35fba3 DC |
6999 | if (!hdr) |
7000 | break; | |
7001 | ||
9360ffd1 | 7002 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
7003 | genlmsg_cancel(skb, hdr); |
7004 | break; | |
7005 | } | |
7006 | ||
7007 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
7008 | if (!tmdata) { | |
7009 | genlmsg_cancel(skb, hdr); | |
7010 | break; | |
7011 | } | |
e35e4d28 | 7012 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
7013 | nla_nest_end(skb, tmdata); |
7014 | ||
7015 | if (err == -ENOBUFS || err == -ENOENT) { | |
7016 | genlmsg_cancel(skb, hdr); | |
7017 | break; | |
7018 | } else if (err) { | |
7019 | genlmsg_cancel(skb, hdr); | |
7020 | goto out_err; | |
7021 | } | |
7022 | ||
7023 | genlmsg_end(skb, hdr); | |
7024 | } | |
7025 | ||
7026 | err = skb->len; | |
7027 | /* see above */ | |
7028 | cb->args[0] = phy_idx + 1; | |
7029 | out_err: | |
5fe231e8 | 7030 | rtnl_unlock(); |
71063f0e WYG |
7031 | return err; |
7032 | } | |
aff89a9b JB |
7033 | #endif |
7034 | ||
b23aa676 SO |
7035 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
7036 | { | |
4c476991 JB |
7037 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7038 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
7039 | struct cfg80211_connect_params connect; |
7040 | struct wiphy *wiphy; | |
fffd0934 | 7041 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
7042 | int err; |
7043 | ||
7044 | memset(&connect, 0, sizeof(connect)); | |
7045 | ||
7046 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
7047 | return -EINVAL; | |
7048 | ||
7049 | if (!info->attrs[NL80211_ATTR_SSID] || | |
7050 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
7051 | return -EINVAL; | |
7052 | ||
7053 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
7054 | connect.auth_type = | |
7055 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
7056 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
7057 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
7058 | return -EINVAL; |
7059 | } else | |
7060 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
7061 | ||
7062 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
7063 | ||
c0692b8f | 7064 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 7065 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
7066 | if (err) |
7067 | return err; | |
b23aa676 | 7068 | |
074ac8df | 7069 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7070 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7071 | return -EOPNOTSUPP; | |
b23aa676 | 7072 | |
79c97e97 | 7073 | wiphy = &rdev->wiphy; |
b23aa676 | 7074 | |
4486ea98 BS |
7075 | connect.bg_scan_period = -1; |
7076 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
7077 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
7078 | connect.bg_scan_period = | |
7079 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
7080 | } | |
7081 | ||
b23aa676 SO |
7082 | if (info->attrs[NL80211_ATTR_MAC]) |
7083 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
7084 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
7085 | connect.bssid_hint = | |
7086 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
7087 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7088 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7089 | ||
7090 | if (info->attrs[NL80211_ATTR_IE]) { | |
7091 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7092 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7093 | } | |
7094 | ||
cee00a95 JM |
7095 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
7096 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
7097 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
7098 | connect.mfp != NL80211_MFP_NO) | |
7099 | return -EINVAL; | |
7100 | } else { | |
7101 | connect.mfp = NL80211_MFP_NO; | |
7102 | } | |
7103 | ||
b23aa676 | 7104 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
7105 | connect.channel = nl80211_get_valid_chan( |
7106 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7107 | if (!connect.channel) | |
1df4a510 JM |
7108 | return -EINVAL; |
7109 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
7110 | connect.channel_hint = nl80211_get_valid_chan( |
7111 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
7112 | if (!connect.channel_hint) | |
4c476991 | 7113 | return -EINVAL; |
b23aa676 SO |
7114 | } |
7115 | ||
fffd0934 JB |
7116 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
7117 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 7118 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
7119 | if (IS_ERR(connkeys)) |
7120 | return PTR_ERR(connkeys); | |
fffd0934 JB |
7121 | } |
7122 | ||
7e7c8926 BG |
7123 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
7124 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
7125 | ||
7126 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7127 | memcpy(&connect.ht_capa_mask, | |
7128 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7129 | sizeof(connect.ht_capa_mask)); | |
7130 | ||
7131 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
7132 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
7133 | kfree(connkeys); | |
7e7c8926 | 7134 | return -EINVAL; |
b4e4f47e | 7135 | } |
7e7c8926 BG |
7136 | memcpy(&connect.ht_capa, |
7137 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7138 | sizeof(connect.ht_capa)); | |
7139 | } | |
7140 | ||
ee2aca34 JB |
7141 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
7142 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
7143 | ||
7144 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
7145 | memcpy(&connect.vht_capa_mask, | |
7146 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7147 | sizeof(connect.vht_capa_mask)); | |
7148 | ||
7149 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7150 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
7151 | kfree(connkeys); | |
7152 | return -EINVAL; | |
7153 | } | |
7154 | memcpy(&connect.vht_capa, | |
7155 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7156 | sizeof(connect.vht_capa)); | |
7157 | } | |
7158 | ||
83739b03 JB |
7159 | wdev_lock(dev->ieee80211_ptr); |
7160 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7161 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 JB |
7162 | if (err) |
7163 | kfree(connkeys); | |
b23aa676 SO |
7164 | return err; |
7165 | } | |
7166 | ||
7167 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7168 | { | |
4c476991 JB |
7169 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7170 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7171 | u16 reason; |
83739b03 | 7172 | int ret; |
b23aa676 SO |
7173 | |
7174 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7175 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7176 | else | |
7177 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7178 | ||
7179 | if (reason == 0) | |
7180 | return -EINVAL; | |
7181 | ||
074ac8df | 7182 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7183 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7184 | return -EOPNOTSUPP; | |
b23aa676 | 7185 | |
83739b03 JB |
7186 | wdev_lock(dev->ieee80211_ptr); |
7187 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7188 | wdev_unlock(dev->ieee80211_ptr); | |
7189 | return ret; | |
b23aa676 SO |
7190 | } |
7191 | ||
463d0183 JB |
7192 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7193 | { | |
4c476991 | 7194 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7195 | struct net *net; |
7196 | int err; | |
7197 | u32 pid; | |
7198 | ||
7199 | if (!info->attrs[NL80211_ATTR_PID]) | |
7200 | return -EINVAL; | |
7201 | ||
7202 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7203 | ||
463d0183 | 7204 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7205 | if (IS_ERR(net)) |
7206 | return PTR_ERR(net); | |
463d0183 JB |
7207 | |
7208 | err = 0; | |
7209 | ||
7210 | /* check if anything to do */ | |
4c476991 JB |
7211 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7212 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7213 | |
463d0183 | 7214 | put_net(net); |
463d0183 JB |
7215 | return err; |
7216 | } | |
7217 | ||
67fbb16b SO |
7218 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7219 | { | |
4c476991 | 7220 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7221 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7222 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7223 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7224 | struct cfg80211_pmksa pmksa; |
7225 | ||
7226 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7227 | ||
7228 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7229 | return -EINVAL; | |
7230 | ||
7231 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7232 | return -EINVAL; | |
7233 | ||
67fbb16b SO |
7234 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7235 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7236 | ||
074ac8df | 7237 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7238 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7239 | return -EOPNOTSUPP; | |
67fbb16b SO |
7240 | |
7241 | switch (info->genlhdr->cmd) { | |
7242 | case NL80211_CMD_SET_PMKSA: | |
7243 | rdev_ops = rdev->ops->set_pmksa; | |
7244 | break; | |
7245 | case NL80211_CMD_DEL_PMKSA: | |
7246 | rdev_ops = rdev->ops->del_pmksa; | |
7247 | break; | |
7248 | default: | |
7249 | WARN_ON(1); | |
7250 | break; | |
7251 | } | |
7252 | ||
4c476991 JB |
7253 | if (!rdev_ops) |
7254 | return -EOPNOTSUPP; | |
67fbb16b | 7255 | |
4c476991 | 7256 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7257 | } |
7258 | ||
7259 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7260 | { | |
4c476991 JB |
7261 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7262 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7263 | |
074ac8df | 7264 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7265 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7266 | return -EOPNOTSUPP; | |
67fbb16b | 7267 | |
4c476991 JB |
7268 | if (!rdev->ops->flush_pmksa) |
7269 | return -EOPNOTSUPP; | |
67fbb16b | 7270 | |
e35e4d28 | 7271 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7272 | } |
7273 | ||
109086ce AN |
7274 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7275 | { | |
7276 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7277 | struct net_device *dev = info->user_ptr[1]; | |
7278 | u8 action_code, dialog_token; | |
df942e7b | 7279 | u32 peer_capability = 0; |
109086ce AN |
7280 | u16 status_code; |
7281 | u8 *peer; | |
7282 | ||
7283 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7284 | !rdev->ops->tdls_mgmt) | |
7285 | return -EOPNOTSUPP; | |
7286 | ||
7287 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7288 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7289 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7290 | !info->attrs[NL80211_ATTR_IE] || | |
7291 | !info->attrs[NL80211_ATTR_MAC]) | |
7292 | return -EINVAL; | |
7293 | ||
7294 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7295 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7296 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7297 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
df942e7b SDU |
7298 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
7299 | peer_capability = | |
7300 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 7301 | |
e35e4d28 | 7302 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 7303 | dialog_token, status_code, peer_capability, |
e35e4d28 HG |
7304 | nla_data(info->attrs[NL80211_ATTR_IE]), |
7305 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7306 | } |
7307 | ||
7308 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7309 | { | |
7310 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7311 | struct net_device *dev = info->user_ptr[1]; | |
7312 | enum nl80211_tdls_operation operation; | |
7313 | u8 *peer; | |
7314 | ||
7315 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7316 | !rdev->ops->tdls_oper) | |
7317 | return -EOPNOTSUPP; | |
7318 | ||
7319 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7320 | !info->attrs[NL80211_ATTR_MAC]) | |
7321 | return -EINVAL; | |
7322 | ||
7323 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7324 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7325 | ||
e35e4d28 | 7326 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7327 | } |
7328 | ||
9588bbd5 JM |
7329 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7330 | struct genl_info *info) | |
7331 | { | |
4c476991 | 7332 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7333 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7334 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7335 | struct sk_buff *msg; |
7336 | void *hdr; | |
7337 | u64 cookie; | |
683b6d3b | 7338 | u32 duration; |
9588bbd5 JM |
7339 | int err; |
7340 | ||
7341 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7342 | !info->attrs[NL80211_ATTR_DURATION]) | |
7343 | return -EINVAL; | |
7344 | ||
7345 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7346 | ||
ebf348fc JB |
7347 | if (!rdev->ops->remain_on_channel || |
7348 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7349 | return -EOPNOTSUPP; | |
7350 | ||
9588bbd5 | 7351 | /* |
ebf348fc JB |
7352 | * We should be on that channel for at least a minimum amount of |
7353 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7354 | */ |
ebf348fc | 7355 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7356 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7357 | return -EINVAL; |
7358 | ||
683b6d3b JB |
7359 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7360 | if (err) | |
7361 | return err; | |
9588bbd5 JM |
7362 | |
7363 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7364 | if (!msg) |
7365 | return -ENOMEM; | |
9588bbd5 | 7366 | |
15e47304 | 7367 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7368 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7369 | if (!hdr) { |
7370 | err = -ENOBUFS; | |
9588bbd5 JM |
7371 | goto free_msg; |
7372 | } | |
7373 | ||
683b6d3b JB |
7374 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7375 | duration, &cookie); | |
9588bbd5 JM |
7376 | |
7377 | if (err) | |
7378 | goto free_msg; | |
7379 | ||
9360ffd1 DM |
7380 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7381 | goto nla_put_failure; | |
9588bbd5 JM |
7382 | |
7383 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7384 | |
7385 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7386 | |
7387 | nla_put_failure: | |
7388 | err = -ENOBUFS; | |
7389 | free_msg: | |
7390 | nlmsg_free(msg); | |
9588bbd5 JM |
7391 | return err; |
7392 | } | |
7393 | ||
7394 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7395 | struct genl_info *info) | |
7396 | { | |
4c476991 | 7397 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7398 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7399 | u64 cookie; |
9588bbd5 JM |
7400 | |
7401 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7402 | return -EINVAL; | |
7403 | ||
4c476991 JB |
7404 | if (!rdev->ops->cancel_remain_on_channel) |
7405 | return -EOPNOTSUPP; | |
9588bbd5 | 7406 | |
9588bbd5 JM |
7407 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7408 | ||
e35e4d28 | 7409 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7410 | } |
7411 | ||
13ae75b1 JM |
7412 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7413 | u8 *rates, u8 rates_len) | |
7414 | { | |
7415 | u8 i; | |
7416 | u32 mask = 0; | |
7417 | ||
7418 | for (i = 0; i < rates_len; i++) { | |
7419 | int rate = (rates[i] & 0x7f) * 5; | |
7420 | int ridx; | |
7421 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7422 | struct ieee80211_rate *srate = | |
7423 | &sband->bitrates[ridx]; | |
7424 | if (rate == srate->bitrate) { | |
7425 | mask |= 1 << ridx; | |
7426 | break; | |
7427 | } | |
7428 | } | |
7429 | if (ridx == sband->n_bitrates) | |
7430 | return 0; /* rate not found */ | |
7431 | } | |
7432 | ||
7433 | return mask; | |
7434 | } | |
7435 | ||
24db78c0 SW |
7436 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7437 | u8 *rates, u8 rates_len, | |
7438 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7439 | { | |
7440 | u8 i; | |
7441 | ||
7442 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7443 | ||
7444 | for (i = 0; i < rates_len; i++) { | |
7445 | int ridx, rbit; | |
7446 | ||
7447 | ridx = rates[i] / 8; | |
7448 | rbit = BIT(rates[i] % 8); | |
7449 | ||
7450 | /* check validity */ | |
910570b5 | 7451 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7452 | return false; |
7453 | ||
7454 | /* check availability */ | |
7455 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7456 | mcs[ridx] |= rbit; | |
7457 | else | |
7458 | return false; | |
7459 | } | |
7460 | ||
7461 | return true; | |
7462 | } | |
7463 | ||
204e35a9 JD |
7464 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) |
7465 | { | |
7466 | u16 mcs_mask = 0; | |
7467 | ||
7468 | switch (vht_mcs_map) { | |
7469 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
7470 | break; | |
7471 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
7472 | mcs_mask = 0x00FF; | |
7473 | break; | |
7474 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
7475 | mcs_mask = 0x01FF; | |
7476 | break; | |
7477 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
7478 | mcs_mask = 0x03FF; | |
7479 | break; | |
7480 | default: | |
7481 | break; | |
7482 | } | |
7483 | ||
7484 | return mcs_mask; | |
7485 | } | |
7486 | ||
7487 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
7488 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
7489 | { | |
7490 | u8 nss; | |
7491 | ||
7492 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
7493 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
7494 | vht_mcs_map >>= 2; | |
7495 | } | |
7496 | } | |
7497 | ||
7498 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
7499 | struct nl80211_txrate_vht *txrate, | |
7500 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
7501 | { | |
7502 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7503 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
7504 | u8 i; | |
7505 | ||
7506 | if (!sband->vht_cap.vht_supported) | |
7507 | return false; | |
7508 | ||
7509 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
7510 | ||
7511 | /* Build vht_mcs_mask from VHT capabilities */ | |
7512 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
7513 | ||
7514 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
7515 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
7516 | mcs[i] = txrate->mcs[i]; | |
7517 | else | |
7518 | return false; | |
7519 | } | |
7520 | ||
7521 | return true; | |
7522 | } | |
7523 | ||
b54452b0 | 7524 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7525 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7526 | .len = NL80211_MAX_SUPP_RATES }, | |
d1e33e65 JD |
7527 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, |
7528 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
204e35a9 | 7529 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, |
0b9323f6 | 7530 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, |
13ae75b1 JM |
7531 | }; |
7532 | ||
7533 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7534 | struct genl_info *info) | |
7535 | { | |
7536 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7537 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7538 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7539 | int rem, i; |
7540 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7541 | struct nlattr *tx_rates; |
7542 | struct ieee80211_supported_band *sband; | |
204e35a9 | 7543 | u16 vht_tx_mcs_map; |
13ae75b1 | 7544 | |
4c476991 JB |
7545 | if (!rdev->ops->set_bitrate_mask) |
7546 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7547 | |
7548 | memset(&mask, 0, sizeof(mask)); | |
7549 | /* Default to all rates enabled */ | |
7550 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7551 | sband = rdev->wiphy.bands[i]; | |
7869303b JD |
7552 | |
7553 | if (!sband) | |
7554 | continue; | |
7555 | ||
7556 | mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | |
d1e33e65 | 7557 | memcpy(mask.control[i].ht_mcs, |
7869303b | 7558 | sband->ht_cap.mcs.rx_mask, |
d1e33e65 | 7559 | sizeof(mask.control[i].ht_mcs)); |
204e35a9 JD |
7560 | |
7561 | if (!sband->vht_cap.vht_supported) | |
7562 | continue; | |
7563 | ||
7564 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7565 | vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); | |
13ae75b1 JM |
7566 | } |
7567 | ||
b9243ab0 JD |
7568 | /* if no rates are given set it back to the defaults */ |
7569 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
7570 | goto out; | |
7571 | ||
13ae75b1 JM |
7572 | /* |
7573 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7574 | * directly to the enum ieee80211_band values used in cfg80211. | |
7575 | */ | |
24db78c0 | 7576 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
ae811e21 | 7577 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { |
13ae75b1 | 7578 | enum ieee80211_band band = nla_type(tx_rates); |
ae811e21 JB |
7579 | int err; |
7580 | ||
4c476991 JB |
7581 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7582 | return -EINVAL; | |
13ae75b1 | 7583 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7584 | if (sband == NULL) |
7585 | return -EINVAL; | |
ae811e21 JB |
7586 | err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7587 | nla_len(tx_rates), nl80211_txattr_policy); | |
7588 | if (err) | |
7589 | return err; | |
13ae75b1 JM |
7590 | if (tb[NL80211_TXRATE_LEGACY]) { |
7591 | mask.control[band].legacy = rateset_to_mask( | |
7592 | sband, | |
7593 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7594 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7595 | if ((mask.control[band].legacy == 0) && |
7596 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7597 | return -EINVAL; | |
24db78c0 | 7598 | } |
d1e33e65 | 7599 | if (tb[NL80211_TXRATE_HT]) { |
24db78c0 SW |
7600 | if (!ht_rateset_to_mask( |
7601 | sband, | |
d1e33e65 JD |
7602 | nla_data(tb[NL80211_TXRATE_HT]), |
7603 | nla_len(tb[NL80211_TXRATE_HT]), | |
7604 | mask.control[band].ht_mcs)) | |
24db78c0 SW |
7605 | return -EINVAL; |
7606 | } | |
204e35a9 JD |
7607 | if (tb[NL80211_TXRATE_VHT]) { |
7608 | if (!vht_set_mcs_mask( | |
7609 | sband, | |
7610 | nla_data(tb[NL80211_TXRATE_VHT]), | |
7611 | mask.control[band].vht_mcs)) | |
7612 | return -EINVAL; | |
7613 | } | |
0b9323f6 JD |
7614 | if (tb[NL80211_TXRATE_GI]) { |
7615 | mask.control[band].gi = | |
7616 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
7617 | if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
7618 | return -EINVAL; | |
7619 | } | |
24db78c0 SW |
7620 | |
7621 | if (mask.control[band].legacy == 0) { | |
204e35a9 JD |
7622 | /* don't allow empty legacy rates if HT or VHT |
7623 | * are not even supported. | |
7624 | */ | |
7625 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
7626 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
24db78c0 SW |
7627 | return -EINVAL; |
7628 | ||
7629 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
d1e33e65 | 7630 | if (mask.control[band].ht_mcs[i]) |
204e35a9 JD |
7631 | goto out; |
7632 | ||
7633 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
7634 | if (mask.control[band].vht_mcs[i]) | |
7635 | goto out; | |
24db78c0 SW |
7636 | |
7637 | /* legacy and mcs rates may not be both empty */ | |
204e35a9 | 7638 | return -EINVAL; |
13ae75b1 JM |
7639 | } |
7640 | } | |
7641 | ||
b9243ab0 | 7642 | out: |
e35e4d28 | 7643 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7644 | } |
7645 | ||
2e161f78 | 7646 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7647 | { |
4c476991 | 7648 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7649 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7650 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7651 | |
7652 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7653 | return -EINVAL; | |
7654 | ||
2e161f78 JB |
7655 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7656 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7657 | |
71bbc994 JB |
7658 | switch (wdev->iftype) { |
7659 | case NL80211_IFTYPE_STATION: | |
7660 | case NL80211_IFTYPE_ADHOC: | |
7661 | case NL80211_IFTYPE_P2P_CLIENT: | |
7662 | case NL80211_IFTYPE_AP: | |
7663 | case NL80211_IFTYPE_AP_VLAN: | |
7664 | case NL80211_IFTYPE_MESH_POINT: | |
7665 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7666 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7667 | break; |
7668 | default: | |
4c476991 | 7669 | return -EOPNOTSUPP; |
71bbc994 | 7670 | } |
026331c4 JM |
7671 | |
7672 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7673 | if (!rdev->ops->mgmt_tx) |
7674 | return -EOPNOTSUPP; | |
026331c4 | 7675 | |
15e47304 | 7676 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7677 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7678 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7679 | } |
7680 | ||
2e161f78 | 7681 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7682 | { |
4c476991 | 7683 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7684 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7685 | struct cfg80211_chan_def chandef; |
026331c4 | 7686 | int err; |
d64d373f | 7687 | void *hdr = NULL; |
026331c4 | 7688 | u64 cookie; |
e247bd90 | 7689 | struct sk_buff *msg = NULL; |
b176e629 AO |
7690 | struct cfg80211_mgmt_tx_params params = { |
7691 | .dont_wait_for_ack = | |
7692 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
7693 | }; | |
026331c4 | 7694 | |
683b6d3b | 7695 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7696 | return -EINVAL; |
7697 | ||
4c476991 JB |
7698 | if (!rdev->ops->mgmt_tx) |
7699 | return -EOPNOTSUPP; | |
026331c4 | 7700 | |
71bbc994 | 7701 | switch (wdev->iftype) { |
ea141b75 AQ |
7702 | case NL80211_IFTYPE_P2P_DEVICE: |
7703 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7704 | return -EINVAL; | |
71bbc994 JB |
7705 | case NL80211_IFTYPE_STATION: |
7706 | case NL80211_IFTYPE_ADHOC: | |
7707 | case NL80211_IFTYPE_P2P_CLIENT: | |
7708 | case NL80211_IFTYPE_AP: | |
7709 | case NL80211_IFTYPE_AP_VLAN: | |
7710 | case NL80211_IFTYPE_MESH_POINT: | |
7711 | case NL80211_IFTYPE_P2P_GO: | |
7712 | break; | |
7713 | default: | |
4c476991 | 7714 | return -EOPNOTSUPP; |
71bbc994 | 7715 | } |
026331c4 | 7716 | |
f7ca38df | 7717 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7718 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 7719 | return -EINVAL; |
b176e629 | 7720 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
7721 | |
7722 | /* | |
7723 | * We should wait on the channel for at least a minimum amount | |
7724 | * of time (10ms) but no longer than the driver supports. | |
7725 | */ | |
b176e629 AO |
7726 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
7727 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc JB |
7728 | return -EINVAL; |
7729 | ||
f7ca38df JB |
7730 | } |
7731 | ||
b176e629 | 7732 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 7733 | |
b176e629 | 7734 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
7735 | return -EINVAL; |
7736 | ||
b176e629 | 7737 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 7738 | |
ea141b75 AQ |
7739 | /* get the channel if any has been specified, otherwise pass NULL to |
7740 | * the driver. The latter will use the current one | |
7741 | */ | |
7742 | chandef.chan = NULL; | |
7743 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
7744 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
7745 | if (err) | |
7746 | return err; | |
7747 | } | |
7748 | ||
b176e629 | 7749 | if (!chandef.chan && params.offchan) |
ea141b75 | 7750 | return -EINVAL; |
026331c4 | 7751 | |
b176e629 | 7752 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
7753 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
7754 | if (!msg) | |
7755 | return -ENOMEM; | |
026331c4 | 7756 | |
15e47304 | 7757 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7758 | NL80211_CMD_FRAME); |
cb35fba3 DC |
7759 | if (!hdr) { |
7760 | err = -ENOBUFS; | |
e247bd90 JB |
7761 | goto free_msg; |
7762 | } | |
026331c4 | 7763 | } |
e247bd90 | 7764 | |
b176e629 AO |
7765 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
7766 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
7767 | params.chan = chandef.chan; | |
7768 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
7769 | if (err) |
7770 | goto free_msg; | |
7771 | ||
e247bd90 | 7772 | if (msg) { |
9360ffd1 DM |
7773 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7774 | goto nla_put_failure; | |
026331c4 | 7775 | |
e247bd90 JB |
7776 | genlmsg_end(msg, hdr); |
7777 | return genlmsg_reply(msg, info); | |
7778 | } | |
7779 | ||
7780 | return 0; | |
026331c4 JM |
7781 | |
7782 | nla_put_failure: | |
7783 | err = -ENOBUFS; | |
7784 | free_msg: | |
7785 | nlmsg_free(msg); | |
026331c4 JM |
7786 | return err; |
7787 | } | |
7788 | ||
f7ca38df JB |
7789 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7790 | { | |
7791 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7792 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7793 | u64 cookie; |
7794 | ||
7795 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7796 | return -EINVAL; | |
7797 | ||
7798 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7799 | return -EOPNOTSUPP; | |
7800 | ||
71bbc994 JB |
7801 | switch (wdev->iftype) { |
7802 | case NL80211_IFTYPE_STATION: | |
7803 | case NL80211_IFTYPE_ADHOC: | |
7804 | case NL80211_IFTYPE_P2P_CLIENT: | |
7805 | case NL80211_IFTYPE_AP: | |
7806 | case NL80211_IFTYPE_AP_VLAN: | |
7807 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7808 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7809 | break; |
7810 | default: | |
f7ca38df | 7811 | return -EOPNOTSUPP; |
71bbc994 | 7812 | } |
f7ca38df JB |
7813 | |
7814 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7815 | ||
e35e4d28 | 7816 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7817 | } |
7818 | ||
ffb9eb3d KV |
7819 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7820 | { | |
4c476991 | 7821 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7822 | struct wireless_dev *wdev; |
4c476991 | 7823 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7824 | u8 ps_state; |
7825 | bool state; | |
7826 | int err; | |
7827 | ||
4c476991 JB |
7828 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7829 | return -EINVAL; | |
ffb9eb3d KV |
7830 | |
7831 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7832 | ||
4c476991 JB |
7833 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7834 | return -EINVAL; | |
ffb9eb3d KV |
7835 | |
7836 | wdev = dev->ieee80211_ptr; | |
7837 | ||
4c476991 JB |
7838 | if (!rdev->ops->set_power_mgmt) |
7839 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7840 | |
7841 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7842 | ||
7843 | if (state == wdev->ps) | |
4c476991 | 7844 | return 0; |
ffb9eb3d | 7845 | |
e35e4d28 | 7846 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7847 | if (!err) |
7848 | wdev->ps = state; | |
ffb9eb3d KV |
7849 | return err; |
7850 | } | |
7851 | ||
7852 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7853 | { | |
4c476991 | 7854 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7855 | enum nl80211_ps_state ps_state; |
7856 | struct wireless_dev *wdev; | |
4c476991 | 7857 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7858 | struct sk_buff *msg; |
7859 | void *hdr; | |
7860 | int err; | |
7861 | ||
ffb9eb3d KV |
7862 | wdev = dev->ieee80211_ptr; |
7863 | ||
4c476991 JB |
7864 | if (!rdev->ops->set_power_mgmt) |
7865 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7866 | |
7867 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7868 | if (!msg) |
7869 | return -ENOMEM; | |
ffb9eb3d | 7870 | |
15e47304 | 7871 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
7872 | NL80211_CMD_GET_POWER_SAVE); |
7873 | if (!hdr) { | |
4c476991 | 7874 | err = -ENOBUFS; |
ffb9eb3d KV |
7875 | goto free_msg; |
7876 | } | |
7877 | ||
7878 | if (wdev->ps) | |
7879 | ps_state = NL80211_PS_ENABLED; | |
7880 | else | |
7881 | ps_state = NL80211_PS_DISABLED; | |
7882 | ||
9360ffd1 DM |
7883 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
7884 | goto nla_put_failure; | |
ffb9eb3d KV |
7885 | |
7886 | genlmsg_end(msg, hdr); | |
4c476991 | 7887 | return genlmsg_reply(msg, info); |
ffb9eb3d | 7888 | |
4c476991 | 7889 | nla_put_failure: |
ffb9eb3d | 7890 | err = -ENOBUFS; |
4c476991 | 7891 | free_msg: |
ffb9eb3d | 7892 | nlmsg_free(msg); |
ffb9eb3d KV |
7893 | return err; |
7894 | } | |
7895 | ||
94e860f1 JB |
7896 | static const struct nla_policy |
7897 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
7898 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
7899 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
7900 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
7901 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
7902 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
7903 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
7904 | }; |
7905 | ||
84f10708 | 7906 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 7907 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
7908 | { |
7909 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 7910 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7911 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 7912 | |
d9d8b019 | 7913 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
7914 | return -EINVAL; |
7915 | ||
84f10708 TP |
7916 | if (!rdev->ops->set_cqm_txe_config) |
7917 | return -EOPNOTSUPP; | |
7918 | ||
7919 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
7920 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
7921 | return -EOPNOTSUPP; | |
7922 | ||
e35e4d28 | 7923 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
7924 | } |
7925 | ||
d6dc1a38 JO |
7926 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
7927 | s32 threshold, u32 hysteresis) | |
7928 | { | |
4c476991 | 7929 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 7930 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7931 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
7932 | |
7933 | if (threshold > 0) | |
7934 | return -EINVAL; | |
7935 | ||
1da5fcc8 JB |
7936 | /* disabling - hysteresis should also be zero then */ |
7937 | if (threshold == 0) | |
7938 | hysteresis = 0; | |
d6dc1a38 | 7939 | |
4c476991 JB |
7940 | if (!rdev->ops->set_cqm_rssi_config) |
7941 | return -EOPNOTSUPP; | |
d6dc1a38 | 7942 | |
074ac8df | 7943 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7944 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7945 | return -EOPNOTSUPP; | |
d6dc1a38 | 7946 | |
e35e4d28 | 7947 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
7948 | } |
7949 | ||
7950 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
7951 | { | |
7952 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
7953 | struct nlattr *cqm; | |
7954 | int err; | |
7955 | ||
7956 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
7957 | if (!cqm) |
7958 | return -EINVAL; | |
d6dc1a38 JO |
7959 | |
7960 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
7961 | nl80211_attr_cqm_policy); | |
7962 | if (err) | |
1da5fcc8 | 7963 | return err; |
d6dc1a38 JO |
7964 | |
7965 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
7966 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
7967 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
7968 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 7969 | |
1da5fcc8 JB |
7970 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
7971 | } | |
7972 | ||
7973 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
7974 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
7975 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
7976 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
7977 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
7978 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
7979 | ||
7980 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
7981 | } | |
7982 | ||
7983 | return -EINVAL; | |
d6dc1a38 JO |
7984 | } |
7985 | ||
29cbe68c JB |
7986 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
7987 | { | |
7988 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7989 | struct net_device *dev = info->user_ptr[1]; | |
7990 | struct mesh_config cfg; | |
c80d545d | 7991 | struct mesh_setup setup; |
29cbe68c JB |
7992 | int err; |
7993 | ||
7994 | /* start with default */ | |
7995 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 7996 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 7997 | |
24bdd9f4 | 7998 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 7999 | /* and parse parameters if given */ |
24bdd9f4 | 8000 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
8001 | if (err) |
8002 | return err; | |
8003 | } | |
8004 | ||
8005 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
8006 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
8007 | return -EINVAL; | |
8008 | ||
c80d545d JC |
8009 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
8010 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
8011 | ||
4bb62344 CYY |
8012 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8013 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
8014 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8015 | return -EINVAL; | |
8016 | ||
9bdbf04d MP |
8017 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
8018 | setup.beacon_interval = | |
8019 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
8020 | if (setup.beacon_interval < 10 || | |
8021 | setup.beacon_interval > 10000) | |
8022 | return -EINVAL; | |
8023 | } | |
8024 | ||
8025 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
8026 | setup.dtim_period = | |
8027 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
8028 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
8029 | return -EINVAL; | |
8030 | } | |
8031 | ||
c80d545d JC |
8032 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
8033 | /* parse additional setup parameters if given */ | |
8034 | err = nl80211_parse_mesh_setup(info, &setup); | |
8035 | if (err) | |
8036 | return err; | |
8037 | } | |
8038 | ||
d37bb18a TP |
8039 | if (setup.user_mpm) |
8040 | cfg.auto_open_plinks = false; | |
8041 | ||
cc1d2806 | 8042 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
8043 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
8044 | if (err) | |
8045 | return err; | |
cc1d2806 JB |
8046 | } else { |
8047 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 8048 | setup.chandef.chan = NULL; |
cc1d2806 JB |
8049 | } |
8050 | ||
ffb3cf30 AN |
8051 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8052 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8053 | int n_rates = | |
8054 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8055 | struct ieee80211_supported_band *sband; | |
8056 | ||
8057 | if (!setup.chandef.chan) | |
8058 | return -EINVAL; | |
8059 | ||
8060 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
8061 | ||
8062 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
8063 | &setup.basic_rates); | |
8064 | if (err) | |
8065 | return err; | |
8066 | } | |
8067 | ||
c80d545d | 8068 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
8069 | } |
8070 | ||
8071 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
8072 | { | |
8073 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8074 | struct net_device *dev = info->user_ptr[1]; | |
8075 | ||
8076 | return cfg80211_leave_mesh(rdev, dev); | |
8077 | } | |
8078 | ||
dfb89c56 | 8079 | #ifdef CONFIG_PM |
bb92d199 AK |
8080 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
8081 | struct cfg80211_registered_device *rdev) | |
8082 | { | |
6abb9cb9 | 8083 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
8084 | struct nlattr *nl_pats, *nl_pat; |
8085 | int i, pat_len; | |
8086 | ||
6abb9cb9 | 8087 | if (!wowlan->n_patterns) |
bb92d199 AK |
8088 | return 0; |
8089 | ||
8090 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
8091 | if (!nl_pats) | |
8092 | return -ENOBUFS; | |
8093 | ||
6abb9cb9 | 8094 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
8095 | nl_pat = nla_nest_start(msg, i + 1); |
8096 | if (!nl_pat) | |
8097 | return -ENOBUFS; | |
6abb9cb9 | 8098 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 8099 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 8100 | wowlan->patterns[i].mask) || |
50ac6607 AK |
8101 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
8102 | wowlan->patterns[i].pattern) || | |
8103 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 8104 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
8105 | return -ENOBUFS; |
8106 | nla_nest_end(msg, nl_pat); | |
8107 | } | |
8108 | nla_nest_end(msg, nl_pats); | |
8109 | ||
8110 | return 0; | |
8111 | } | |
8112 | ||
2a0e047e JB |
8113 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
8114 | struct cfg80211_wowlan_tcp *tcp) | |
8115 | { | |
8116 | struct nlattr *nl_tcp; | |
8117 | ||
8118 | if (!tcp) | |
8119 | return 0; | |
8120 | ||
8121 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
8122 | if (!nl_tcp) | |
8123 | return -ENOBUFS; | |
8124 | ||
8125 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
8126 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
8127 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
8128 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
8129 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
8130 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
8131 | tcp->payload_len, tcp->payload) || | |
8132 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
8133 | tcp->data_interval) || | |
8134 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
8135 | tcp->wake_len, tcp->wake_data) || | |
8136 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
8137 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
8138 | return -ENOBUFS; | |
8139 | ||
8140 | if (tcp->payload_seq.len && | |
8141 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
8142 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
8143 | return -ENOBUFS; | |
8144 | ||
8145 | if (tcp->payload_tok.len && | |
8146 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
8147 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
8148 | &tcp->payload_tok)) | |
8149 | return -ENOBUFS; | |
8150 | ||
e248ad30 JB |
8151 | nla_nest_end(msg, nl_tcp); |
8152 | ||
2a0e047e JB |
8153 | return 0; |
8154 | } | |
8155 | ||
ff1b6e69 JB |
8156 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
8157 | { | |
8158 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8159 | struct sk_buff *msg; | |
8160 | void *hdr; | |
2a0e047e | 8161 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 8162 | |
964dc9e2 | 8163 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
8164 | return -EOPNOTSUPP; |
8165 | ||
6abb9cb9 | 8166 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 8167 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
8168 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
8169 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
8170 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
8171 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
8172 | } |
8173 | ||
8174 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
8175 | if (!msg) |
8176 | return -ENOMEM; | |
8177 | ||
15e47304 | 8178 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
8179 | NL80211_CMD_GET_WOWLAN); |
8180 | if (!hdr) | |
8181 | goto nla_put_failure; | |
8182 | ||
6abb9cb9 | 8183 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
8184 | struct nlattr *nl_wowlan; |
8185 | ||
8186 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
8187 | if (!nl_wowlan) | |
8188 | goto nla_put_failure; | |
8189 | ||
6abb9cb9 | 8190 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 8191 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 8192 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 8193 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 8194 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 8195 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 8196 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 8197 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 8198 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 8199 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 8200 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 8201 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 8202 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
8203 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
8204 | goto nla_put_failure; | |
2a0e047e | 8205 | |
bb92d199 AK |
8206 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
8207 | goto nla_put_failure; | |
2a0e047e | 8208 | |
6abb9cb9 JB |
8209 | if (nl80211_send_wowlan_tcp(msg, |
8210 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
8211 | goto nla_put_failure; |
8212 | ||
ff1b6e69 JB |
8213 | nla_nest_end(msg, nl_wowlan); |
8214 | } | |
8215 | ||
8216 | genlmsg_end(msg, hdr); | |
8217 | return genlmsg_reply(msg, info); | |
8218 | ||
8219 | nla_put_failure: | |
8220 | nlmsg_free(msg); | |
8221 | return -ENOBUFS; | |
8222 | } | |
8223 | ||
2a0e047e JB |
8224 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
8225 | struct nlattr *attr, | |
8226 | struct cfg80211_wowlan *trig) | |
8227 | { | |
8228 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
8229 | struct cfg80211_wowlan_tcp *cfg; | |
8230 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
8231 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
8232 | u32 size; | |
8233 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
8234 | int err, port; | |
8235 | ||
964dc9e2 | 8236 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
8237 | return -EINVAL; |
8238 | ||
8239 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
8240 | nla_data(attr), nla_len(attr), | |
8241 | nl80211_wowlan_tcp_policy); | |
8242 | if (err) | |
8243 | return err; | |
8244 | ||
8245 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8246 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8247 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8248 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8249 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8250 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8251 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8252 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8253 | return -EINVAL; | |
8254 | ||
8255 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8256 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8257 | return -EINVAL; |
8258 | ||
8259 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8260 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8261 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8262 | return -EINVAL; |
8263 | ||
8264 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8265 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8266 | return -EINVAL; |
8267 | ||
8268 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8269 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8270 | return -EINVAL; | |
8271 | ||
8272 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8273 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8274 | ||
8275 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8276 | tokens_size = tokln - sizeof(*tok); | |
8277 | ||
8278 | if (!tok->len || tokens_size % tok->len) | |
8279 | return -EINVAL; | |
964dc9e2 | 8280 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8281 | return -EINVAL; |
964dc9e2 | 8282 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8283 | return -EINVAL; |
964dc9e2 | 8284 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8285 | return -EINVAL; |
964dc9e2 | 8286 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8287 | return -EINVAL; |
8288 | if (tok->offset + tok->len > data_size) | |
8289 | return -EINVAL; | |
8290 | } | |
8291 | ||
8292 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8293 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8294 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8295 | return -EINVAL; |
8296 | if (seq->len == 0 || seq->len > 4) | |
8297 | return -EINVAL; | |
8298 | if (seq->len + seq->offset > data_size) | |
8299 | return -EINVAL; | |
8300 | } | |
8301 | ||
8302 | size = sizeof(*cfg); | |
8303 | size += data_size; | |
8304 | size += wake_size + wake_mask_size; | |
8305 | size += tokens_size; | |
8306 | ||
8307 | cfg = kzalloc(size, GFP_KERNEL); | |
8308 | if (!cfg) | |
8309 | return -ENOMEM; | |
8310 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8311 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8312 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8313 | ETH_ALEN); | |
8314 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8315 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8316 | else | |
8317 | port = 0; | |
8318 | #ifdef CONFIG_INET | |
8319 | /* allocate a socket and port for it and use it */ | |
8320 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8321 | IPPROTO_TCP, &cfg->sock, 1); | |
8322 | if (err) { | |
8323 | kfree(cfg); | |
8324 | return err; | |
8325 | } | |
8326 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8327 | sock_release(cfg->sock); | |
8328 | kfree(cfg); | |
8329 | return -EADDRINUSE; | |
8330 | } | |
8331 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8332 | #else | |
8333 | if (!port) { | |
8334 | kfree(cfg); | |
8335 | return -EINVAL; | |
8336 | } | |
8337 | cfg->src_port = port; | |
8338 | #endif | |
8339 | ||
8340 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8341 | cfg->payload_len = data_size; | |
8342 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8343 | memcpy((void *)cfg->payload, | |
8344 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8345 | data_size); | |
8346 | if (seq) | |
8347 | cfg->payload_seq = *seq; | |
8348 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8349 | cfg->wake_len = wake_size; | |
8350 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8351 | memcpy((void *)cfg->wake_data, | |
8352 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8353 | wake_size); | |
8354 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8355 | data_size + wake_size; | |
8356 | memcpy((void *)cfg->wake_mask, | |
8357 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8358 | wake_mask_size); | |
8359 | if (tok) { | |
8360 | cfg->tokens_size = tokens_size; | |
8361 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8362 | } | |
8363 | ||
8364 | trig->tcp = cfg; | |
8365 | ||
8366 | return 0; | |
8367 | } | |
8368 | ||
ff1b6e69 JB |
8369 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8370 | { | |
8371 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8372 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8373 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8374 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8375 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8376 | int err, i; |
6abb9cb9 | 8377 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8378 | |
964dc9e2 | 8379 | if (!wowlan) |
ff1b6e69 JB |
8380 | return -EOPNOTSUPP; |
8381 | ||
ae33bd81 JB |
8382 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8383 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8384 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8385 | goto set_wakeup; |
8386 | } | |
ff1b6e69 JB |
8387 | |
8388 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8389 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8390 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8391 | nl80211_wowlan_policy); | |
8392 | if (err) | |
8393 | return err; | |
8394 | ||
8395 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8396 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8397 | return -EINVAL; | |
8398 | new_triggers.any = true; | |
8399 | } | |
8400 | ||
8401 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8402 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8403 | return -EINVAL; | |
8404 | new_triggers.disconnect = true; | |
8405 | } | |
8406 | ||
8407 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8408 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8409 | return -EINVAL; | |
8410 | new_triggers.magic_pkt = true; | |
8411 | } | |
8412 | ||
77dbbb13 JB |
8413 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8414 | return -EINVAL; | |
8415 | ||
8416 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8417 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8418 | return -EINVAL; | |
8419 | new_triggers.gtk_rekey_failure = true; | |
8420 | } | |
8421 | ||
8422 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8423 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8424 | return -EINVAL; | |
8425 | new_triggers.eap_identity_req = true; | |
8426 | } | |
8427 | ||
8428 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8429 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8430 | return -EINVAL; | |
8431 | new_triggers.four_way_handshake = true; | |
8432 | } | |
8433 | ||
8434 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8435 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8436 | return -EINVAL; | |
8437 | new_triggers.rfkill_release = true; | |
8438 | } | |
8439 | ||
ff1b6e69 JB |
8440 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8441 | struct nlattr *pat; | |
8442 | int n_patterns = 0; | |
bb92d199 | 8443 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8444 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8445 | |
8446 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8447 | rem) | |
8448 | n_patterns++; | |
8449 | if (n_patterns > wowlan->n_patterns) | |
8450 | return -EINVAL; | |
8451 | ||
8452 | new_triggers.patterns = kcalloc(n_patterns, | |
8453 | sizeof(new_triggers.patterns[0]), | |
8454 | GFP_KERNEL); | |
8455 | if (!new_triggers.patterns) | |
8456 | return -ENOMEM; | |
8457 | ||
8458 | new_triggers.n_patterns = n_patterns; | |
8459 | i = 0; | |
8460 | ||
8461 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8462 | rem) { | |
50ac6607 AK |
8463 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8464 | nla_len(pat), NULL); | |
ff1b6e69 | 8465 | err = -EINVAL; |
50ac6607 AK |
8466 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8467 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8468 | goto error; |
50ac6607 | 8469 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8470 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8471 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8472 | goto error; |
8473 | if (pat_len > wowlan->pattern_max_len || | |
8474 | pat_len < wowlan->pattern_min_len) | |
8475 | goto error; | |
8476 | ||
50ac6607 | 8477 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8478 | pkt_offset = 0; |
8479 | else | |
8480 | pkt_offset = nla_get_u32( | |
50ac6607 | 8481 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8482 | if (pkt_offset > wowlan->max_pkt_offset) |
8483 | goto error; | |
8484 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8485 | ||
ff1b6e69 JB |
8486 | new_triggers.patterns[i].mask = |
8487 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8488 | if (!new_triggers.patterns[i].mask) { | |
8489 | err = -ENOMEM; | |
8490 | goto error; | |
8491 | } | |
8492 | new_triggers.patterns[i].pattern = | |
8493 | new_triggers.patterns[i].mask + mask_len; | |
8494 | memcpy(new_triggers.patterns[i].mask, | |
50ac6607 | 8495 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), |
ff1b6e69 JB |
8496 | mask_len); |
8497 | new_triggers.patterns[i].pattern_len = pat_len; | |
8498 | memcpy(new_triggers.patterns[i].pattern, | |
50ac6607 | 8499 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8500 | pat_len); |
8501 | i++; | |
8502 | } | |
8503 | } | |
8504 | ||
2a0e047e JB |
8505 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8506 | err = nl80211_parse_wowlan_tcp( | |
8507 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8508 | &new_triggers); | |
8509 | if (err) | |
8510 | goto error; | |
8511 | } | |
8512 | ||
ae33bd81 JB |
8513 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
8514 | if (!ntrig) { | |
8515 | err = -ENOMEM; | |
8516 | goto error; | |
ff1b6e69 | 8517 | } |
ae33bd81 | 8518 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 8519 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 8520 | |
ae33bd81 | 8521 | set_wakeup: |
6abb9cb9 JB |
8522 | if (rdev->ops->set_wakeup && |
8523 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
8524 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 8525 | |
ff1b6e69 JB |
8526 | return 0; |
8527 | error: | |
8528 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8529 | kfree(new_triggers.patterns[i].mask); | |
8530 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8531 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8532 | sock_release(new_triggers.tcp->sock); | |
8533 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8534 | return err; |
8535 | } | |
dfb89c56 | 8536 | #endif |
ff1b6e69 | 8537 | |
be29b99a AK |
8538 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
8539 | struct cfg80211_registered_device *rdev) | |
8540 | { | |
8541 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
8542 | int i, j, pat_len; | |
8543 | struct cfg80211_coalesce_rules *rule; | |
8544 | ||
8545 | if (!rdev->coalesce->n_rules) | |
8546 | return 0; | |
8547 | ||
8548 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
8549 | if (!nl_rules) | |
8550 | return -ENOBUFS; | |
8551 | ||
8552 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
8553 | nl_rule = nla_nest_start(msg, i + 1); | |
8554 | if (!nl_rule) | |
8555 | return -ENOBUFS; | |
8556 | ||
8557 | rule = &rdev->coalesce->rules[i]; | |
8558 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
8559 | rule->delay)) | |
8560 | return -ENOBUFS; | |
8561 | ||
8562 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
8563 | rule->condition)) | |
8564 | return -ENOBUFS; | |
8565 | ||
8566 | nl_pats = nla_nest_start(msg, | |
8567 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
8568 | if (!nl_pats) | |
8569 | return -ENOBUFS; | |
8570 | ||
8571 | for (j = 0; j < rule->n_patterns; j++) { | |
8572 | nl_pat = nla_nest_start(msg, j + 1); | |
8573 | if (!nl_pat) | |
8574 | return -ENOBUFS; | |
8575 | pat_len = rule->patterns[j].pattern_len; | |
8576 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
8577 | DIV_ROUND_UP(pat_len, 8), | |
8578 | rule->patterns[j].mask) || | |
8579 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
8580 | rule->patterns[j].pattern) || | |
8581 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
8582 | rule->patterns[j].pkt_offset)) | |
8583 | return -ENOBUFS; | |
8584 | nla_nest_end(msg, nl_pat); | |
8585 | } | |
8586 | nla_nest_end(msg, nl_pats); | |
8587 | nla_nest_end(msg, nl_rule); | |
8588 | } | |
8589 | nla_nest_end(msg, nl_rules); | |
8590 | ||
8591 | return 0; | |
8592 | } | |
8593 | ||
8594 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8595 | { | |
8596 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8597 | struct sk_buff *msg; | |
8598 | void *hdr; | |
8599 | ||
8600 | if (!rdev->wiphy.coalesce) | |
8601 | return -EOPNOTSUPP; | |
8602 | ||
8603 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8604 | if (!msg) | |
8605 | return -ENOMEM; | |
8606 | ||
8607 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8608 | NL80211_CMD_GET_COALESCE); | |
8609 | if (!hdr) | |
8610 | goto nla_put_failure; | |
8611 | ||
8612 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
8613 | goto nla_put_failure; | |
8614 | ||
8615 | genlmsg_end(msg, hdr); | |
8616 | return genlmsg_reply(msg, info); | |
8617 | ||
8618 | nla_put_failure: | |
8619 | nlmsg_free(msg); | |
8620 | return -ENOBUFS; | |
8621 | } | |
8622 | ||
8623 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
8624 | { | |
8625 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
8626 | int i, j; | |
8627 | struct cfg80211_coalesce_rules *rule; | |
8628 | ||
8629 | if (!coalesce) | |
8630 | return; | |
8631 | ||
8632 | for (i = 0; i < coalesce->n_rules; i++) { | |
8633 | rule = &coalesce->rules[i]; | |
8634 | for (j = 0; j < rule->n_patterns; j++) | |
8635 | kfree(rule->patterns[j].mask); | |
8636 | kfree(rule->patterns); | |
8637 | } | |
8638 | kfree(coalesce->rules); | |
8639 | kfree(coalesce); | |
8640 | rdev->coalesce = NULL; | |
8641 | } | |
8642 | ||
8643 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
8644 | struct nlattr *rule, | |
8645 | struct cfg80211_coalesce_rules *new_rule) | |
8646 | { | |
8647 | int err, i; | |
8648 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8649 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
8650 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
8651 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
8652 | ||
8653 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
8654 | nla_len(rule), nl80211_coalesce_policy); | |
8655 | if (err) | |
8656 | return err; | |
8657 | ||
8658 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
8659 | new_rule->delay = | |
8660 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
8661 | if (new_rule->delay > coalesce->max_delay) | |
8662 | return -EINVAL; | |
8663 | ||
8664 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
8665 | new_rule->condition = | |
8666 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
8667 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
8668 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
8669 | return -EINVAL; | |
8670 | ||
8671 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
8672 | return -EINVAL; | |
8673 | ||
8674 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8675 | rem) | |
8676 | n_patterns++; | |
8677 | if (n_patterns > coalesce->n_patterns) | |
8678 | return -EINVAL; | |
8679 | ||
8680 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
8681 | GFP_KERNEL); | |
8682 | if (!new_rule->patterns) | |
8683 | return -ENOMEM; | |
8684 | ||
8685 | new_rule->n_patterns = n_patterns; | |
8686 | i = 0; | |
8687 | ||
8688 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8689 | rem) { | |
8690 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), | |
8691 | nla_len(pat), NULL); | |
8692 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
8693 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
8694 | return -EINVAL; | |
8695 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
8696 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
8697 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
8698 | return -EINVAL; | |
8699 | if (pat_len > coalesce->pattern_max_len || | |
8700 | pat_len < coalesce->pattern_min_len) | |
8701 | return -EINVAL; | |
8702 | ||
8703 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
8704 | pkt_offset = 0; | |
8705 | else | |
8706 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
8707 | if (pkt_offset > coalesce->max_pkt_offset) | |
8708 | return -EINVAL; | |
8709 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
8710 | ||
8711 | new_rule->patterns[i].mask = | |
8712 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8713 | if (!new_rule->patterns[i].mask) | |
8714 | return -ENOMEM; | |
8715 | new_rule->patterns[i].pattern = | |
8716 | new_rule->patterns[i].mask + mask_len; | |
8717 | memcpy(new_rule->patterns[i].mask, | |
8718 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len); | |
8719 | new_rule->patterns[i].pattern_len = pat_len; | |
8720 | memcpy(new_rule->patterns[i].pattern, | |
8721 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len); | |
8722 | i++; | |
8723 | } | |
8724 | ||
8725 | return 0; | |
8726 | } | |
8727 | ||
8728 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8729 | { | |
8730 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8731 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8732 | struct cfg80211_coalesce new_coalesce = {}; | |
8733 | struct cfg80211_coalesce *n_coalesce; | |
8734 | int err, rem_rule, n_rules = 0, i, j; | |
8735 | struct nlattr *rule; | |
8736 | struct cfg80211_coalesce_rules *tmp_rule; | |
8737 | ||
8738 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
8739 | return -EOPNOTSUPP; | |
8740 | ||
8741 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
8742 | cfg80211_rdev_free_coalesce(rdev); | |
8743 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
8744 | return 0; | |
8745 | } | |
8746 | ||
8747 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8748 | rem_rule) | |
8749 | n_rules++; | |
8750 | if (n_rules > coalesce->n_rules) | |
8751 | return -EINVAL; | |
8752 | ||
8753 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
8754 | GFP_KERNEL); | |
8755 | if (!new_coalesce.rules) | |
8756 | return -ENOMEM; | |
8757 | ||
8758 | new_coalesce.n_rules = n_rules; | |
8759 | i = 0; | |
8760 | ||
8761 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8762 | rem_rule) { | |
8763 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
8764 | &new_coalesce.rules[i]); | |
8765 | if (err) | |
8766 | goto error; | |
8767 | ||
8768 | i++; | |
8769 | } | |
8770 | ||
8771 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
8772 | if (err) | |
8773 | goto error; | |
8774 | ||
8775 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
8776 | if (!n_coalesce) { | |
8777 | err = -ENOMEM; | |
8778 | goto error; | |
8779 | } | |
8780 | cfg80211_rdev_free_coalesce(rdev); | |
8781 | rdev->coalesce = n_coalesce; | |
8782 | ||
8783 | return 0; | |
8784 | error: | |
8785 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
8786 | tmp_rule = &new_coalesce.rules[i]; | |
8787 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
8788 | kfree(tmp_rule->patterns[j].mask); | |
8789 | kfree(tmp_rule->patterns); | |
8790 | } | |
8791 | kfree(new_coalesce.rules); | |
8792 | ||
8793 | return err; | |
8794 | } | |
8795 | ||
e5497d76 JB |
8796 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8797 | { | |
8798 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8799 | struct net_device *dev = info->user_ptr[1]; | |
8800 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8801 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8802 | struct cfg80211_gtk_rekey_data rekey_data; | |
8803 | int err; | |
8804 | ||
8805 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8806 | return -EINVAL; | |
8807 | ||
8808 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8809 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8810 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8811 | nl80211_rekey_policy); | |
8812 | if (err) | |
8813 | return err; | |
8814 | ||
8815 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8816 | return -ERANGE; | |
8817 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8818 | return -ERANGE; | |
8819 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8820 | return -ERANGE; | |
8821 | ||
8822 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
8823 | NL80211_KEK_LEN); | |
8824 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
8825 | NL80211_KCK_LEN); | |
8826 | memcpy(rekey_data.replay_ctr, | |
8827 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
8828 | NL80211_REPLAY_CTR_LEN); | |
8829 | ||
8830 | wdev_lock(wdev); | |
8831 | if (!wdev->current_bss) { | |
8832 | err = -ENOTCONN; | |
8833 | goto out; | |
8834 | } | |
8835 | ||
8836 | if (!rdev->ops->set_rekey_data) { | |
8837 | err = -EOPNOTSUPP; | |
8838 | goto out; | |
8839 | } | |
8840 | ||
e35e4d28 | 8841 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8842 | out: |
8843 | wdev_unlock(wdev); | |
8844 | return err; | |
8845 | } | |
8846 | ||
28946da7 JB |
8847 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8848 | struct genl_info *info) | |
8849 | { | |
8850 | struct net_device *dev = info->user_ptr[1]; | |
8851 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8852 | ||
8853 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8854 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8855 | return -EINVAL; | |
8856 | ||
15e47304 | 8857 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
8858 | return -EBUSY; |
8859 | ||
15e47304 | 8860 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
8861 | return 0; |
8862 | } | |
8863 | ||
7f6cf311 JB |
8864 | static int nl80211_probe_client(struct sk_buff *skb, |
8865 | struct genl_info *info) | |
8866 | { | |
8867 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8868 | struct net_device *dev = info->user_ptr[1]; | |
8869 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8870 | struct sk_buff *msg; | |
8871 | void *hdr; | |
8872 | const u8 *addr; | |
8873 | u64 cookie; | |
8874 | int err; | |
8875 | ||
8876 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8877 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8878 | return -EOPNOTSUPP; | |
8879 | ||
8880 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8881 | return -EINVAL; | |
8882 | ||
8883 | if (!rdev->ops->probe_client) | |
8884 | return -EOPNOTSUPP; | |
8885 | ||
8886 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8887 | if (!msg) | |
8888 | return -ENOMEM; | |
8889 | ||
15e47304 | 8890 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 8891 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
8892 | if (!hdr) { |
8893 | err = -ENOBUFS; | |
7f6cf311 JB |
8894 | goto free_msg; |
8895 | } | |
8896 | ||
8897 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8898 | ||
e35e4d28 | 8899 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
8900 | if (err) |
8901 | goto free_msg; | |
8902 | ||
9360ffd1 DM |
8903 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8904 | goto nla_put_failure; | |
7f6cf311 JB |
8905 | |
8906 | genlmsg_end(msg, hdr); | |
8907 | ||
8908 | return genlmsg_reply(msg, info); | |
8909 | ||
8910 | nla_put_failure: | |
8911 | err = -ENOBUFS; | |
8912 | free_msg: | |
8913 | nlmsg_free(msg); | |
8914 | return err; | |
8915 | } | |
8916 | ||
5e760230 JB |
8917 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
8918 | { | |
8919 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
8920 | struct cfg80211_beacon_registration *reg, *nreg; |
8921 | int rv; | |
5e760230 JB |
8922 | |
8923 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
8924 | return -EOPNOTSUPP; | |
8925 | ||
37c73b5f BG |
8926 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
8927 | if (!nreg) | |
8928 | return -ENOMEM; | |
8929 | ||
8930 | /* First, check if already registered. */ | |
8931 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
8932 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
8933 | if (reg->nlportid == info->snd_portid) { | |
8934 | rv = -EALREADY; | |
8935 | goto out_err; | |
8936 | } | |
8937 | } | |
8938 | /* Add it to the list */ | |
8939 | nreg->nlportid = info->snd_portid; | |
8940 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 8941 | |
37c73b5f | 8942 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
8943 | |
8944 | return 0; | |
37c73b5f BG |
8945 | out_err: |
8946 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
8947 | kfree(nreg); | |
8948 | return rv; | |
5e760230 JB |
8949 | } |
8950 | ||
98104fde JB |
8951 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
8952 | { | |
8953 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8954 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8955 | int err; | |
8956 | ||
8957 | if (!rdev->ops->start_p2p_device) | |
8958 | return -EOPNOTSUPP; | |
8959 | ||
8960 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8961 | return -EOPNOTSUPP; | |
8962 | ||
8963 | if (wdev->p2p_started) | |
8964 | return 0; | |
8965 | ||
98104fde | 8966 | err = cfg80211_can_add_interface(rdev, wdev->iftype); |
98104fde JB |
8967 | if (err) |
8968 | return err; | |
8969 | ||
eeb126e9 | 8970 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
8971 | if (err) |
8972 | return err; | |
8973 | ||
8974 | wdev->p2p_started = true; | |
98104fde | 8975 | rdev->opencount++; |
98104fde JB |
8976 | |
8977 | return 0; | |
8978 | } | |
8979 | ||
8980 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
8981 | { | |
8982 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8983 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8984 | ||
8985 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8986 | return -EOPNOTSUPP; | |
8987 | ||
8988 | if (!rdev->ops->stop_p2p_device) | |
8989 | return -EOPNOTSUPP; | |
8990 | ||
f9f47529 | 8991 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
8992 | |
8993 | return 0; | |
8994 | } | |
8995 | ||
3713b4e3 JB |
8996 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
8997 | struct genl_info *info) | |
8998 | { | |
8999 | void *hdr; | |
9000 | struct sk_buff *msg; | |
9001 | ||
9002 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9003 | if (!msg) | |
9004 | return -ENOMEM; | |
9005 | ||
9006 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
9007 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
9008 | if (!hdr) | |
9009 | goto nla_put_failure; | |
9010 | ||
9011 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
9012 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
9013 | goto nla_put_failure; | |
9014 | ||
9015 | genlmsg_end(msg, hdr); | |
9016 | return genlmsg_reply(msg, info); | |
9017 | ||
9018 | nla_put_failure: | |
9019 | kfree_skb(msg); | |
9020 | return -ENOBUFS; | |
9021 | } | |
9022 | ||
355199e0 JM |
9023 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
9024 | { | |
9025 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9026 | struct cfg80211_update_ft_ies_params ft_params; | |
9027 | struct net_device *dev = info->user_ptr[1]; | |
9028 | ||
9029 | if (!rdev->ops->update_ft_ies) | |
9030 | return -EOPNOTSUPP; | |
9031 | ||
9032 | if (!info->attrs[NL80211_ATTR_MDID] || | |
9033 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9034 | return -EINVAL; | |
9035 | ||
9036 | memset(&ft_params, 0, sizeof(ft_params)); | |
9037 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
9038 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9039 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9040 | ||
9041 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
9042 | } | |
9043 | ||
5de17984 AS |
9044 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
9045 | struct genl_info *info) | |
9046 | { | |
9047 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9048 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9049 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
9050 | u16 duration; | |
9051 | int ret; | |
9052 | ||
9053 | if (!rdev->ops->crit_proto_start) | |
9054 | return -EOPNOTSUPP; | |
9055 | ||
9056 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
9057 | return -EINVAL; | |
9058 | ||
9059 | if (rdev->crit_proto_nlportid) | |
9060 | return -EBUSY; | |
9061 | ||
9062 | /* determine protocol if provided */ | |
9063 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
9064 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
9065 | ||
9066 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
9067 | return -EINVAL; | |
9068 | ||
9069 | /* timeout must be provided */ | |
9070 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
9071 | return -EINVAL; | |
9072 | ||
9073 | duration = | |
9074 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
9075 | ||
9076 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
9077 | return -ERANGE; | |
9078 | ||
9079 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
9080 | if (!ret) | |
9081 | rdev->crit_proto_nlportid = info->snd_portid; | |
9082 | ||
9083 | return ret; | |
9084 | } | |
9085 | ||
9086 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
9087 | struct genl_info *info) | |
9088 | { | |
9089 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9090 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9091 | ||
9092 | if (!rdev->ops->crit_proto_stop) | |
9093 | return -EOPNOTSUPP; | |
9094 | ||
9095 | if (rdev->crit_proto_nlportid) { | |
9096 | rdev->crit_proto_nlportid = 0; | |
9097 | rdev_crit_proto_stop(rdev, wdev); | |
9098 | } | |
9099 | return 0; | |
9100 | } | |
9101 | ||
ad7e718c JB |
9102 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
9103 | { | |
9104 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9105 | struct wireless_dev *wdev = | |
9106 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
9107 | int i, err; | |
9108 | u32 vid, subcmd; | |
9109 | ||
9110 | if (!rdev->wiphy.vendor_commands) | |
9111 | return -EOPNOTSUPP; | |
9112 | ||
9113 | if (IS_ERR(wdev)) { | |
9114 | err = PTR_ERR(wdev); | |
9115 | if (err != -EINVAL) | |
9116 | return err; | |
9117 | wdev = NULL; | |
9118 | } else if (wdev->wiphy != &rdev->wiphy) { | |
9119 | return -EINVAL; | |
9120 | } | |
9121 | ||
9122 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
9123 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
9124 | return -EINVAL; | |
9125 | ||
9126 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
9127 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
9128 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
9129 | const struct wiphy_vendor_command *vcmd; | |
9130 | void *data = NULL; | |
9131 | int len = 0; | |
9132 | ||
9133 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
9134 | ||
9135 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
9136 | continue; | |
9137 | ||
9138 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
9139 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
9140 | if (!wdev) | |
9141 | return -EINVAL; | |
9142 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
9143 | !wdev->netdev) | |
9144 | return -EINVAL; | |
9145 | ||
9146 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
9147 | if (wdev->netdev && | |
9148 | !netif_running(wdev->netdev)) | |
9149 | return -ENETDOWN; | |
9150 | if (!wdev->netdev && !wdev->p2p_started) | |
9151 | return -ENETDOWN; | |
9152 | } | |
9153 | } else { | |
9154 | wdev = NULL; | |
9155 | } | |
9156 | ||
9157 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
9158 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9159 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9160 | } | |
9161 | ||
9162 | rdev->cur_cmd_info = info; | |
9163 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
9164 | data, len); | |
9165 | rdev->cur_cmd_info = NULL; | |
9166 | return err; | |
9167 | } | |
9168 | ||
9169 | return -EOPNOTSUPP; | |
9170 | } | |
9171 | ||
9172 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, | |
9173 | enum nl80211_commands cmd, | |
9174 | enum nl80211_attrs attr, | |
9175 | int approxlen) | |
9176 | { | |
9177 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
9178 | ||
9179 | if (WARN_ON(!rdev->cur_cmd_info)) | |
9180 | return NULL; | |
9181 | ||
9182 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, | |
9183 | rdev->cur_cmd_info->snd_portid, | |
9184 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 9185 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
9186 | } |
9187 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
9188 | ||
9189 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
9190 | { | |
9191 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
9192 | void *hdr = ((void **)skb->cb)[1]; | |
9193 | struct nlattr *data = ((void **)skb->cb)[2]; | |
9194 | ||
9195 | if (WARN_ON(!rdev->cur_cmd_info)) { | |
9196 | kfree_skb(skb); | |
9197 | return -EINVAL; | |
9198 | } | |
9199 | ||
9200 | nla_nest_end(skb, data); | |
9201 | genlmsg_end(skb, hdr); | |
9202 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
9203 | } | |
9204 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
9205 | ||
9206 | ||
fa9ffc74 KP |
9207 | static int nl80211_set_qos_map(struct sk_buff *skb, |
9208 | struct genl_info *info) | |
9209 | { | |
9210 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9211 | struct cfg80211_qos_map *qos_map = NULL; | |
9212 | struct net_device *dev = info->user_ptr[1]; | |
9213 | u8 *pos, len, num_des, des_len, des; | |
9214 | int ret; | |
9215 | ||
9216 | if (!rdev->ops->set_qos_map) | |
9217 | return -EOPNOTSUPP; | |
9218 | ||
9219 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
9220 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9221 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9222 | ||
9223 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
9224 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
9225 | return -EINVAL; | |
9226 | ||
9227 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
9228 | if (!qos_map) | |
9229 | return -ENOMEM; | |
9230 | ||
9231 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
9232 | if (num_des) { | |
9233 | des_len = num_des * | |
9234 | sizeof(struct cfg80211_dscp_exception); | |
9235 | memcpy(qos_map->dscp_exception, pos, des_len); | |
9236 | qos_map->num_des = num_des; | |
9237 | for (des = 0; des < num_des; des++) { | |
9238 | if (qos_map->dscp_exception[des].up > 7) { | |
9239 | kfree(qos_map); | |
9240 | return -EINVAL; | |
9241 | } | |
9242 | } | |
9243 | pos += des_len; | |
9244 | } | |
9245 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
9246 | } | |
9247 | ||
9248 | wdev_lock(dev->ieee80211_ptr); | |
9249 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
9250 | if (!ret) | |
9251 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
9252 | wdev_unlock(dev->ieee80211_ptr); | |
9253 | ||
9254 | kfree(qos_map); | |
9255 | return ret; | |
9256 | } | |
9257 | ||
4c476991 JB |
9258 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
9259 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
9260 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
9261 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
9262 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
9263 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 9264 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 9265 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
9266 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
9267 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 | 9268 | |
f84f771d | 9269 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9270 | struct genl_info *info) |
9271 | { | |
9272 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 9273 | struct wireless_dev *wdev; |
4c476991 | 9274 | struct net_device *dev; |
4c476991 JB |
9275 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
9276 | ||
9277 | if (rtnl) | |
9278 | rtnl_lock(); | |
9279 | ||
9280 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 9281 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
9282 | if (IS_ERR(rdev)) { |
9283 | if (rtnl) | |
9284 | rtnl_unlock(); | |
9285 | return PTR_ERR(rdev); | |
9286 | } | |
9287 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
9288 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
9289 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
9290 | ASSERT_RTNL(); |
9291 | ||
89a54e48 JB |
9292 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
9293 | info->attrs); | |
9294 | if (IS_ERR(wdev)) { | |
4c476991 JB |
9295 | if (rtnl) |
9296 | rtnl_unlock(); | |
89a54e48 | 9297 | return PTR_ERR(wdev); |
4c476991 | 9298 | } |
89a54e48 | 9299 | |
89a54e48 JB |
9300 | dev = wdev->netdev; |
9301 | rdev = wiphy_to_dev(wdev->wiphy); | |
9302 | ||
1bf614ef JB |
9303 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
9304 | if (!dev) { | |
1bf614ef JB |
9305 | if (rtnl) |
9306 | rtnl_unlock(); | |
9307 | return -EINVAL; | |
9308 | } | |
9309 | ||
9310 | info->user_ptr[1] = dev; | |
9311 | } else { | |
9312 | info->user_ptr[1] = wdev; | |
41265714 | 9313 | } |
1bf614ef JB |
9314 | |
9315 | if (dev) { | |
9316 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
9317 | !netif_running(dev)) { | |
1bf614ef JB |
9318 | if (rtnl) |
9319 | rtnl_unlock(); | |
9320 | return -ENETDOWN; | |
9321 | } | |
9322 | ||
9323 | dev_hold(dev); | |
98104fde JB |
9324 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
9325 | if (!wdev->p2p_started) { | |
98104fde JB |
9326 | if (rtnl) |
9327 | rtnl_unlock(); | |
9328 | return -ENETDOWN; | |
9329 | } | |
41265714 | 9330 | } |
89a54e48 | 9331 | |
4c476991 | 9332 | info->user_ptr[0] = rdev; |
4c476991 JB |
9333 | } |
9334 | ||
9335 | return 0; | |
9336 | } | |
9337 | ||
f84f771d | 9338 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9339 | struct genl_info *info) |
9340 | { | |
1bf614ef JB |
9341 | if (info->user_ptr[1]) { |
9342 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
9343 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9344 | ||
9345 | if (wdev->netdev) | |
9346 | dev_put(wdev->netdev); | |
9347 | } else { | |
9348 | dev_put(info->user_ptr[1]); | |
9349 | } | |
9350 | } | |
4c476991 JB |
9351 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
9352 | rtnl_unlock(); | |
9353 | } | |
9354 | ||
4534de83 | 9355 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
9356 | { |
9357 | .cmd = NL80211_CMD_GET_WIPHY, | |
9358 | .doit = nl80211_get_wiphy, | |
9359 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 9360 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
9361 | .policy = nl80211_policy, |
9362 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9363 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9364 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9365 | }, |
9366 | { | |
9367 | .cmd = NL80211_CMD_SET_WIPHY, | |
9368 | .doit = nl80211_set_wiphy, | |
9369 | .policy = nl80211_policy, | |
9370 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 9371 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
9372 | }, |
9373 | { | |
9374 | .cmd = NL80211_CMD_GET_INTERFACE, | |
9375 | .doit = nl80211_get_interface, | |
9376 | .dumpit = nl80211_dump_interface, | |
9377 | .policy = nl80211_policy, | |
9378 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9379 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
9380 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9381 | }, |
9382 | { | |
9383 | .cmd = NL80211_CMD_SET_INTERFACE, | |
9384 | .doit = nl80211_set_interface, | |
9385 | .policy = nl80211_policy, | |
9386 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9387 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9388 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9389 | }, |
9390 | { | |
9391 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
9392 | .doit = nl80211_new_interface, | |
9393 | .policy = nl80211_policy, | |
9394 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9395 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9396 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9397 | }, |
9398 | { | |
9399 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
9400 | .doit = nl80211_del_interface, | |
9401 | .policy = nl80211_policy, | |
41ade00f | 9402 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 9403 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9404 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9405 | }, |
9406 | { | |
9407 | .cmd = NL80211_CMD_GET_KEY, | |
9408 | .doit = nl80211_get_key, | |
9409 | .policy = nl80211_policy, | |
9410 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9411 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9412 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9413 | }, |
9414 | { | |
9415 | .cmd = NL80211_CMD_SET_KEY, | |
9416 | .doit = nl80211_set_key, | |
9417 | .policy = nl80211_policy, | |
9418 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9419 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9420 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9421 | }, |
9422 | { | |
9423 | .cmd = NL80211_CMD_NEW_KEY, | |
9424 | .doit = nl80211_new_key, | |
9425 | .policy = nl80211_policy, | |
9426 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9427 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9428 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9429 | }, |
9430 | { | |
9431 | .cmd = NL80211_CMD_DEL_KEY, | |
9432 | .doit = nl80211_del_key, | |
9433 | .policy = nl80211_policy, | |
55682965 | 9434 | .flags = GENL_ADMIN_PERM, |
41265714 | 9435 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9436 | NL80211_FLAG_NEED_RTNL, |
55682965 | 9437 | }, |
ed1b6cc7 JB |
9438 | { |
9439 | .cmd = NL80211_CMD_SET_BEACON, | |
9440 | .policy = nl80211_policy, | |
9441 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9442 | .doit = nl80211_set_beacon, |
2b5f8b0b | 9443 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9444 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9445 | }, |
9446 | { | |
8860020e | 9447 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
9448 | .policy = nl80211_policy, |
9449 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9450 | .doit = nl80211_start_ap, |
2b5f8b0b | 9451 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9452 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9453 | }, |
9454 | { | |
8860020e | 9455 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
9456 | .policy = nl80211_policy, |
9457 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9458 | .doit = nl80211_stop_ap, |
2b5f8b0b | 9459 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9460 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 9461 | }, |
5727ef1b JB |
9462 | { |
9463 | .cmd = NL80211_CMD_GET_STATION, | |
9464 | .doit = nl80211_get_station, | |
2ec600d6 | 9465 | .dumpit = nl80211_dump_station, |
5727ef1b | 9466 | .policy = nl80211_policy, |
4c476991 JB |
9467 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9468 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
9469 | }, |
9470 | { | |
9471 | .cmd = NL80211_CMD_SET_STATION, | |
9472 | .doit = nl80211_set_station, | |
9473 | .policy = nl80211_policy, | |
9474 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9475 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9476 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9477 | }, |
9478 | { | |
9479 | .cmd = NL80211_CMD_NEW_STATION, | |
9480 | .doit = nl80211_new_station, | |
9481 | .policy = nl80211_policy, | |
9482 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9483 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9484 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9485 | }, |
9486 | { | |
9487 | .cmd = NL80211_CMD_DEL_STATION, | |
9488 | .doit = nl80211_del_station, | |
9489 | .policy = nl80211_policy, | |
2ec600d6 | 9490 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9491 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9492 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9493 | }, |
9494 | { | |
9495 | .cmd = NL80211_CMD_GET_MPATH, | |
9496 | .doit = nl80211_get_mpath, | |
9497 | .dumpit = nl80211_dump_mpath, | |
9498 | .policy = nl80211_policy, | |
9499 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9500 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9501 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9502 | }, |
9503 | { | |
9504 | .cmd = NL80211_CMD_SET_MPATH, | |
9505 | .doit = nl80211_set_mpath, | |
9506 | .policy = nl80211_policy, | |
9507 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9508 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9509 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9510 | }, |
9511 | { | |
9512 | .cmd = NL80211_CMD_NEW_MPATH, | |
9513 | .doit = nl80211_new_mpath, | |
9514 | .policy = nl80211_policy, | |
9515 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9516 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9517 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9518 | }, |
9519 | { | |
9520 | .cmd = NL80211_CMD_DEL_MPATH, | |
9521 | .doit = nl80211_del_mpath, | |
9522 | .policy = nl80211_policy, | |
9f1ba906 | 9523 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9524 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9525 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
9526 | }, |
9527 | { | |
9528 | .cmd = NL80211_CMD_SET_BSS, | |
9529 | .doit = nl80211_set_bss, | |
9530 | .policy = nl80211_policy, | |
b2e1b302 | 9531 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9532 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9533 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 9534 | }, |
f130347c LR |
9535 | { |
9536 | .cmd = NL80211_CMD_GET_REG, | |
9537 | .doit = nl80211_get_reg, | |
9538 | .policy = nl80211_policy, | |
5fe231e8 | 9539 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
9540 | /* can be retrieved by unprivileged users */ |
9541 | }, | |
b2e1b302 LR |
9542 | { |
9543 | .cmd = NL80211_CMD_SET_REG, | |
9544 | .doit = nl80211_set_reg, | |
9545 | .policy = nl80211_policy, | |
9546 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 9547 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
9548 | }, |
9549 | { | |
9550 | .cmd = NL80211_CMD_REQ_SET_REG, | |
9551 | .doit = nl80211_req_set_reg, | |
9552 | .policy = nl80211_policy, | |
93da9cc1 | 9553 | .flags = GENL_ADMIN_PERM, |
9554 | }, | |
9555 | { | |
24bdd9f4 JC |
9556 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
9557 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 9558 | .policy = nl80211_policy, |
9559 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 9560 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9561 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 9562 | }, |
9563 | { | |
24bdd9f4 JC |
9564 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
9565 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 9566 | .policy = nl80211_policy, |
9aed3cc1 | 9567 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 9568 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9569 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 9570 | }, |
2a519311 JB |
9571 | { |
9572 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
9573 | .doit = nl80211_trigger_scan, | |
9574 | .policy = nl80211_policy, | |
9575 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 9576 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9577 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
9578 | }, |
9579 | { | |
9580 | .cmd = NL80211_CMD_GET_SCAN, | |
9581 | .policy = nl80211_policy, | |
9582 | .dumpit = nl80211_dump_scan, | |
9583 | }, | |
807f8a8c LC |
9584 | { |
9585 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
9586 | .doit = nl80211_start_sched_scan, | |
9587 | .policy = nl80211_policy, | |
9588 | .flags = GENL_ADMIN_PERM, | |
9589 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9590 | NL80211_FLAG_NEED_RTNL, | |
9591 | }, | |
9592 | { | |
9593 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
9594 | .doit = nl80211_stop_sched_scan, | |
9595 | .policy = nl80211_policy, | |
9596 | .flags = GENL_ADMIN_PERM, | |
9597 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9598 | NL80211_FLAG_NEED_RTNL, | |
9599 | }, | |
636a5d36 JM |
9600 | { |
9601 | .cmd = NL80211_CMD_AUTHENTICATE, | |
9602 | .doit = nl80211_authenticate, | |
9603 | .policy = nl80211_policy, | |
9604 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9605 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9606 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9607 | }, |
9608 | { | |
9609 | .cmd = NL80211_CMD_ASSOCIATE, | |
9610 | .doit = nl80211_associate, | |
9611 | .policy = nl80211_policy, | |
9612 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9613 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9614 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9615 | }, |
9616 | { | |
9617 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
9618 | .doit = nl80211_deauthenticate, | |
9619 | .policy = nl80211_policy, | |
9620 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9621 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9622 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9623 | }, |
9624 | { | |
9625 | .cmd = NL80211_CMD_DISASSOCIATE, | |
9626 | .doit = nl80211_disassociate, | |
9627 | .policy = nl80211_policy, | |
9628 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9629 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9630 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 9631 | }, |
04a773ad JB |
9632 | { |
9633 | .cmd = NL80211_CMD_JOIN_IBSS, | |
9634 | .doit = nl80211_join_ibss, | |
9635 | .policy = nl80211_policy, | |
9636 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9637 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9638 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
9639 | }, |
9640 | { | |
9641 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
9642 | .doit = nl80211_leave_ibss, | |
9643 | .policy = nl80211_policy, | |
9644 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9645 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9646 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 9647 | }, |
aff89a9b JB |
9648 | #ifdef CONFIG_NL80211_TESTMODE |
9649 | { | |
9650 | .cmd = NL80211_CMD_TESTMODE, | |
9651 | .doit = nl80211_testmode_do, | |
71063f0e | 9652 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
9653 | .policy = nl80211_policy, |
9654 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9655 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9656 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
9657 | }, |
9658 | #endif | |
b23aa676 SO |
9659 | { |
9660 | .cmd = NL80211_CMD_CONNECT, | |
9661 | .doit = nl80211_connect, | |
9662 | .policy = nl80211_policy, | |
9663 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9664 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9665 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
9666 | }, |
9667 | { | |
9668 | .cmd = NL80211_CMD_DISCONNECT, | |
9669 | .doit = nl80211_disconnect, | |
9670 | .policy = nl80211_policy, | |
9671 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9672 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9673 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 9674 | }, |
463d0183 JB |
9675 | { |
9676 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
9677 | .doit = nl80211_wiphy_netns, | |
9678 | .policy = nl80211_policy, | |
9679 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9680 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9681 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 9682 | }, |
61fa713c HS |
9683 | { |
9684 | .cmd = NL80211_CMD_GET_SURVEY, | |
9685 | .policy = nl80211_policy, | |
9686 | .dumpit = nl80211_dump_survey, | |
9687 | }, | |
67fbb16b SO |
9688 | { |
9689 | .cmd = NL80211_CMD_SET_PMKSA, | |
9690 | .doit = nl80211_setdel_pmksa, | |
9691 | .policy = nl80211_policy, | |
9692 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9693 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9694 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9695 | }, |
9696 | { | |
9697 | .cmd = NL80211_CMD_DEL_PMKSA, | |
9698 | .doit = nl80211_setdel_pmksa, | |
9699 | .policy = nl80211_policy, | |
9700 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9701 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9702 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9703 | }, |
9704 | { | |
9705 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
9706 | .doit = nl80211_flush_pmksa, | |
9707 | .policy = nl80211_policy, | |
9708 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9709 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9710 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 9711 | }, |
9588bbd5 JM |
9712 | { |
9713 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
9714 | .doit = nl80211_remain_on_channel, | |
9715 | .policy = nl80211_policy, | |
9716 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9717 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9718 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
9719 | }, |
9720 | { | |
9721 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
9722 | .doit = nl80211_cancel_remain_on_channel, | |
9723 | .policy = nl80211_policy, | |
9724 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9725 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9726 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 9727 | }, |
13ae75b1 JM |
9728 | { |
9729 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
9730 | .doit = nl80211_set_tx_bitrate_mask, | |
9731 | .policy = nl80211_policy, | |
9732 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9733 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9734 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 9735 | }, |
026331c4 | 9736 | { |
2e161f78 JB |
9737 | .cmd = NL80211_CMD_REGISTER_FRAME, |
9738 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
9739 | .policy = nl80211_policy, |
9740 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9741 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9742 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
9743 | }, |
9744 | { | |
2e161f78 JB |
9745 | .cmd = NL80211_CMD_FRAME, |
9746 | .doit = nl80211_tx_mgmt, | |
026331c4 | 9747 | .policy = nl80211_policy, |
f7ca38df | 9748 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9749 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
9750 | NL80211_FLAG_NEED_RTNL, |
9751 | }, | |
9752 | { | |
9753 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
9754 | .doit = nl80211_tx_mgmt_cancel_wait, | |
9755 | .policy = nl80211_policy, | |
026331c4 | 9756 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9757 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9758 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 9759 | }, |
ffb9eb3d KV |
9760 | { |
9761 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
9762 | .doit = nl80211_set_power_save, | |
9763 | .policy = nl80211_policy, | |
9764 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9765 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9766 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
9767 | }, |
9768 | { | |
9769 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
9770 | .doit = nl80211_get_power_save, | |
9771 | .policy = nl80211_policy, | |
9772 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
9773 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9774 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 9775 | }, |
d6dc1a38 JO |
9776 | { |
9777 | .cmd = NL80211_CMD_SET_CQM, | |
9778 | .doit = nl80211_set_cqm, | |
9779 | .policy = nl80211_policy, | |
9780 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9781 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9782 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 9783 | }, |
f444de05 JB |
9784 | { |
9785 | .cmd = NL80211_CMD_SET_CHANNEL, | |
9786 | .doit = nl80211_set_channel, | |
9787 | .policy = nl80211_policy, | |
9788 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9789 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9790 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 9791 | }, |
e8347eba BJ |
9792 | { |
9793 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
9794 | .doit = nl80211_set_wds_peer, | |
9795 | .policy = nl80211_policy, | |
9796 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
9797 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9798 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 9799 | }, |
29cbe68c JB |
9800 | { |
9801 | .cmd = NL80211_CMD_JOIN_MESH, | |
9802 | .doit = nl80211_join_mesh, | |
9803 | .policy = nl80211_policy, | |
9804 | .flags = GENL_ADMIN_PERM, | |
9805 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9806 | NL80211_FLAG_NEED_RTNL, | |
9807 | }, | |
9808 | { | |
9809 | .cmd = NL80211_CMD_LEAVE_MESH, | |
9810 | .doit = nl80211_leave_mesh, | |
9811 | .policy = nl80211_policy, | |
9812 | .flags = GENL_ADMIN_PERM, | |
9813 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9814 | NL80211_FLAG_NEED_RTNL, | |
9815 | }, | |
dfb89c56 | 9816 | #ifdef CONFIG_PM |
ff1b6e69 JB |
9817 | { |
9818 | .cmd = NL80211_CMD_GET_WOWLAN, | |
9819 | .doit = nl80211_get_wowlan, | |
9820 | .policy = nl80211_policy, | |
9821 | /* can be retrieved by unprivileged users */ | |
9822 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9823 | NL80211_FLAG_NEED_RTNL, | |
9824 | }, | |
9825 | { | |
9826 | .cmd = NL80211_CMD_SET_WOWLAN, | |
9827 | .doit = nl80211_set_wowlan, | |
9828 | .policy = nl80211_policy, | |
9829 | .flags = GENL_ADMIN_PERM, | |
9830 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9831 | NL80211_FLAG_NEED_RTNL, | |
9832 | }, | |
dfb89c56 | 9833 | #endif |
e5497d76 JB |
9834 | { |
9835 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
9836 | .doit = nl80211_set_rekey_data, | |
9837 | .policy = nl80211_policy, | |
9838 | .flags = GENL_ADMIN_PERM, | |
9839 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9840 | NL80211_FLAG_NEED_RTNL, | |
9841 | }, | |
109086ce AN |
9842 | { |
9843 | .cmd = NL80211_CMD_TDLS_MGMT, | |
9844 | .doit = nl80211_tdls_mgmt, | |
9845 | .policy = nl80211_policy, | |
9846 | .flags = GENL_ADMIN_PERM, | |
9847 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9848 | NL80211_FLAG_NEED_RTNL, | |
9849 | }, | |
9850 | { | |
9851 | .cmd = NL80211_CMD_TDLS_OPER, | |
9852 | .doit = nl80211_tdls_oper, | |
9853 | .policy = nl80211_policy, | |
9854 | .flags = GENL_ADMIN_PERM, | |
9855 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9856 | NL80211_FLAG_NEED_RTNL, | |
9857 | }, | |
28946da7 JB |
9858 | { |
9859 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
9860 | .doit = nl80211_register_unexpected_frame, | |
9861 | .policy = nl80211_policy, | |
9862 | .flags = GENL_ADMIN_PERM, | |
9863 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9864 | NL80211_FLAG_NEED_RTNL, | |
9865 | }, | |
7f6cf311 JB |
9866 | { |
9867 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
9868 | .doit = nl80211_probe_client, | |
9869 | .policy = nl80211_policy, | |
9870 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9871 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
9872 | NL80211_FLAG_NEED_RTNL, |
9873 | }, | |
5e760230 JB |
9874 | { |
9875 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
9876 | .doit = nl80211_register_beacons, | |
9877 | .policy = nl80211_policy, | |
9878 | .flags = GENL_ADMIN_PERM, | |
9879 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9880 | NL80211_FLAG_NEED_RTNL, | |
9881 | }, | |
1d9d9213 SW |
9882 | { |
9883 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
9884 | .doit = nl80211_set_noack_map, | |
9885 | .policy = nl80211_policy, | |
9886 | .flags = GENL_ADMIN_PERM, | |
9887 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9888 | NL80211_FLAG_NEED_RTNL, | |
9889 | }, | |
98104fde JB |
9890 | { |
9891 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
9892 | .doit = nl80211_start_p2p_device, | |
9893 | .policy = nl80211_policy, | |
9894 | .flags = GENL_ADMIN_PERM, | |
9895 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
9896 | NL80211_FLAG_NEED_RTNL, | |
9897 | }, | |
9898 | { | |
9899 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
9900 | .doit = nl80211_stop_p2p_device, | |
9901 | .policy = nl80211_policy, | |
9902 | .flags = GENL_ADMIN_PERM, | |
9903 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9904 | NL80211_FLAG_NEED_RTNL, | |
9905 | }, | |
f4e583c8 AQ |
9906 | { |
9907 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
9908 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
9909 | .policy = nl80211_policy, |
9910 | .flags = GENL_ADMIN_PERM, | |
9911 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9912 | NL80211_FLAG_NEED_RTNL, | |
9913 | }, | |
9914 | { | |
9915 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
9916 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
9917 | .policy = nl80211_policy, |
9918 | .flags = GENL_ADMIN_PERM, | |
9919 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9920 | NL80211_FLAG_NEED_RTNL, | |
9921 | }, | |
04f39047 SW |
9922 | { |
9923 | .cmd = NL80211_CMD_RADAR_DETECT, | |
9924 | .doit = nl80211_start_radar_detection, | |
9925 | .policy = nl80211_policy, | |
9926 | .flags = GENL_ADMIN_PERM, | |
9927 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9928 | NL80211_FLAG_NEED_RTNL, | |
9929 | }, | |
3713b4e3 JB |
9930 | { |
9931 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
9932 | .doit = nl80211_get_protocol_features, | |
9933 | .policy = nl80211_policy, | |
9934 | }, | |
355199e0 JM |
9935 | { |
9936 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
9937 | .doit = nl80211_update_ft_ies, | |
9938 | .policy = nl80211_policy, | |
9939 | .flags = GENL_ADMIN_PERM, | |
9940 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9941 | NL80211_FLAG_NEED_RTNL, | |
9942 | }, | |
5de17984 AS |
9943 | { |
9944 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
9945 | .doit = nl80211_crit_protocol_start, | |
9946 | .policy = nl80211_policy, | |
9947 | .flags = GENL_ADMIN_PERM, | |
9948 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9949 | NL80211_FLAG_NEED_RTNL, | |
9950 | }, | |
9951 | { | |
9952 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
9953 | .doit = nl80211_crit_protocol_stop, | |
9954 | .policy = nl80211_policy, | |
9955 | .flags = GENL_ADMIN_PERM, | |
9956 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9957 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
9958 | }, |
9959 | { | |
9960 | .cmd = NL80211_CMD_GET_COALESCE, | |
9961 | .doit = nl80211_get_coalesce, | |
9962 | .policy = nl80211_policy, | |
9963 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9964 | NL80211_FLAG_NEED_RTNL, | |
9965 | }, | |
9966 | { | |
9967 | .cmd = NL80211_CMD_SET_COALESCE, | |
9968 | .doit = nl80211_set_coalesce, | |
9969 | .policy = nl80211_policy, | |
9970 | .flags = GENL_ADMIN_PERM, | |
9971 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9972 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
9973 | }, |
9974 | { | |
9975 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
9976 | .doit = nl80211_channel_switch, | |
9977 | .policy = nl80211_policy, | |
9978 | .flags = GENL_ADMIN_PERM, | |
9979 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9980 | NL80211_FLAG_NEED_RTNL, | |
9981 | }, | |
ad7e718c JB |
9982 | { |
9983 | .cmd = NL80211_CMD_VENDOR, | |
9984 | .doit = nl80211_vendor_cmd, | |
9985 | .policy = nl80211_policy, | |
9986 | .flags = GENL_ADMIN_PERM, | |
9987 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9988 | NL80211_FLAG_NEED_RTNL, | |
9989 | }, | |
fa9ffc74 KP |
9990 | { |
9991 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
9992 | .doit = nl80211_set_qos_map, | |
9993 | .policy = nl80211_policy, | |
9994 | .flags = GENL_ADMIN_PERM, | |
9995 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9996 | NL80211_FLAG_NEED_RTNL, | |
9997 | }, | |
55682965 | 9998 | }; |
9588bbd5 | 9999 | |
55682965 JB |
10000 | /* notification functions */ |
10001 | ||
10002 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
10003 | { | |
10004 | struct sk_buff *msg; | |
86e8cf98 | 10005 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 10006 | |
fd2120ca | 10007 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
10008 | if (!msg) |
10009 | return; | |
10010 | ||
86e8cf98 | 10011 | if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
10012 | nlmsg_free(msg); |
10013 | return; | |
10014 | } | |
10015 | ||
68eb5503 | 10016 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10017 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
10018 | } |
10019 | ||
362a415d JB |
10020 | static int nl80211_add_scan_req(struct sk_buff *msg, |
10021 | struct cfg80211_registered_device *rdev) | |
10022 | { | |
10023 | struct cfg80211_scan_request *req = rdev->scan_req; | |
10024 | struct nlattr *nest; | |
10025 | int i; | |
10026 | ||
10027 | if (WARN_ON(!req)) | |
10028 | return 0; | |
10029 | ||
10030 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
10031 | if (!nest) | |
10032 | goto nla_put_failure; | |
9360ffd1 DM |
10033 | for (i = 0; i < req->n_ssids; i++) { |
10034 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
10035 | goto nla_put_failure; | |
10036 | } | |
362a415d JB |
10037 | nla_nest_end(msg, nest); |
10038 | ||
10039 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
10040 | if (!nest) | |
10041 | goto nla_put_failure; | |
9360ffd1 DM |
10042 | for (i = 0; i < req->n_channels; i++) { |
10043 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
10044 | goto nla_put_failure; | |
10045 | } | |
362a415d JB |
10046 | nla_nest_end(msg, nest); |
10047 | ||
9360ffd1 DM |
10048 | if (req->ie && |
10049 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
10050 | goto nla_put_failure; | |
362a415d | 10051 | |
ae917c9f JB |
10052 | if (req->flags && |
10053 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
10054 | goto nla_put_failure; | |
ed473771 | 10055 | |
362a415d JB |
10056 | return 0; |
10057 | nla_put_failure: | |
10058 | return -ENOBUFS; | |
10059 | } | |
10060 | ||
a538e2d5 JB |
10061 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
10062 | struct cfg80211_registered_device *rdev, | |
fd014284 | 10063 | struct wireless_dev *wdev, |
15e47304 | 10064 | u32 portid, u32 seq, int flags, |
a538e2d5 | 10065 | u32 cmd) |
2a519311 JB |
10066 | { |
10067 | void *hdr; | |
10068 | ||
15e47304 | 10069 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
10070 | if (!hdr) |
10071 | return -1; | |
10072 | ||
9360ffd1 | 10073 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
10074 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10075 | wdev->netdev->ifindex)) || | |
10076 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 10077 | goto nla_put_failure; |
2a519311 | 10078 | |
362a415d JB |
10079 | /* ignore errors and send incomplete event anyway */ |
10080 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
10081 | |
10082 | return genlmsg_end(msg, hdr); | |
10083 | ||
10084 | nla_put_failure: | |
10085 | genlmsg_cancel(msg, hdr); | |
10086 | return -EMSGSIZE; | |
10087 | } | |
10088 | ||
807f8a8c LC |
10089 | static int |
10090 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
10091 | struct cfg80211_registered_device *rdev, | |
10092 | struct net_device *netdev, | |
15e47304 | 10093 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
10094 | { |
10095 | void *hdr; | |
10096 | ||
15e47304 | 10097 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
10098 | if (!hdr) |
10099 | return -1; | |
10100 | ||
9360ffd1 DM |
10101 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10102 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10103 | goto nla_put_failure; | |
807f8a8c LC |
10104 | |
10105 | return genlmsg_end(msg, hdr); | |
10106 | ||
10107 | nla_put_failure: | |
10108 | genlmsg_cancel(msg, hdr); | |
10109 | return -EMSGSIZE; | |
10110 | } | |
10111 | ||
a538e2d5 | 10112 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 10113 | struct wireless_dev *wdev) |
a538e2d5 JB |
10114 | { |
10115 | struct sk_buff *msg; | |
10116 | ||
58050fce | 10117 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
10118 | if (!msg) |
10119 | return; | |
10120 | ||
fd014284 | 10121 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
10122 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
10123 | nlmsg_free(msg); | |
10124 | return; | |
10125 | } | |
10126 | ||
68eb5503 | 10127 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10128 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
10129 | } |
10130 | ||
f9d15d16 JB |
10131 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
10132 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
10133 | { |
10134 | struct sk_buff *msg; | |
10135 | ||
fd2120ca | 10136 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 10137 | if (!msg) |
f9d15d16 | 10138 | return NULL; |
2a519311 | 10139 | |
fd014284 | 10140 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
10141 | aborted ? NL80211_CMD_SCAN_ABORTED : |
10142 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 10143 | nlmsg_free(msg); |
f9d15d16 | 10144 | return NULL; |
2a519311 JB |
10145 | } |
10146 | ||
f9d15d16 | 10147 | return msg; |
2a519311 JB |
10148 | } |
10149 | ||
f9d15d16 JB |
10150 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
10151 | struct sk_buff *msg) | |
2a519311 | 10152 | { |
2a519311 JB |
10153 | if (!msg) |
10154 | return; | |
10155 | ||
68eb5503 | 10156 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10157 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
10158 | } |
10159 | ||
807f8a8c LC |
10160 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
10161 | struct net_device *netdev) | |
10162 | { | |
10163 | struct sk_buff *msg; | |
10164 | ||
10165 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10166 | if (!msg) | |
10167 | return; | |
10168 | ||
10169 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
10170 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
10171 | nlmsg_free(msg); | |
10172 | return; | |
10173 | } | |
10174 | ||
68eb5503 | 10175 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10176 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10177 | } |
10178 | ||
10179 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
10180 | struct net_device *netdev, u32 cmd) | |
10181 | { | |
10182 | struct sk_buff *msg; | |
10183 | ||
58050fce | 10184 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
10185 | if (!msg) |
10186 | return; | |
10187 | ||
10188 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
10189 | nlmsg_free(msg); | |
10190 | return; | |
10191 | } | |
10192 | ||
68eb5503 | 10193 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10194 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10195 | } |
10196 | ||
73d54c9e LR |
10197 | /* |
10198 | * This can happen on global regulatory changes or device specific settings | |
10199 | * based on custom world regulatory domains. | |
10200 | */ | |
10201 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
10202 | { | |
10203 | struct sk_buff *msg; | |
10204 | void *hdr; | |
10205 | ||
fd2120ca | 10206 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
10207 | if (!msg) |
10208 | return; | |
10209 | ||
10210 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
10211 | if (!hdr) { | |
10212 | nlmsg_free(msg); | |
10213 | return; | |
10214 | } | |
10215 | ||
10216 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
10217 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
10218 | goto nla_put_failure; | |
10219 | ||
10220 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
10221 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10222 | NL80211_REGDOM_TYPE_WORLD)) | |
10223 | goto nla_put_failure; | |
10224 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
10225 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10226 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
10227 | goto nla_put_failure; | |
10228 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
10229 | request->intersect) { | |
10230 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10231 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
10232 | goto nla_put_failure; | |
10233 | } else { | |
10234 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10235 | NL80211_REGDOM_TYPE_COUNTRY) || | |
10236 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
10237 | request->alpha2)) | |
10238 | goto nla_put_failure; | |
10239 | } | |
10240 | ||
f4173766 | 10241 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
10242 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
10243 | goto nla_put_failure; | |
73d54c9e | 10244 | |
3b7b72ee | 10245 | genlmsg_end(msg, hdr); |
73d54c9e | 10246 | |
bc43b28c | 10247 | rcu_read_lock(); |
68eb5503 | 10248 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10249 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 10250 | rcu_read_unlock(); |
73d54c9e LR |
10251 | |
10252 | return; | |
10253 | ||
10254 | nla_put_failure: | |
10255 | genlmsg_cancel(msg, hdr); | |
10256 | nlmsg_free(msg); | |
10257 | } | |
10258 | ||
6039f6d2 JM |
10259 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
10260 | struct net_device *netdev, | |
10261 | const u8 *buf, size_t len, | |
e6d6e342 | 10262 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
10263 | { |
10264 | struct sk_buff *msg; | |
10265 | void *hdr; | |
10266 | ||
e6d6e342 | 10267 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
10268 | if (!msg) |
10269 | return; | |
10270 | ||
10271 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10272 | if (!hdr) { | |
10273 | nlmsg_free(msg); | |
10274 | return; | |
10275 | } | |
10276 | ||
9360ffd1 DM |
10277 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10278 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10279 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
10280 | goto nla_put_failure; | |
6039f6d2 | 10281 | |
3b7b72ee | 10282 | genlmsg_end(msg, hdr); |
6039f6d2 | 10283 | |
68eb5503 | 10284 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10285 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
10286 | return; |
10287 | ||
10288 | nla_put_failure: | |
10289 | genlmsg_cancel(msg, hdr); | |
10290 | nlmsg_free(msg); | |
10291 | } | |
10292 | ||
10293 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10294 | struct net_device *netdev, const u8 *buf, |
10295 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10296 | { |
10297 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10298 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
10299 | } |
10300 | ||
10301 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
10302 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 10303 | size_t len, gfp_t gfp) |
6039f6d2 | 10304 | { |
e6d6e342 JB |
10305 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
10306 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
10307 | } |
10308 | ||
53b46b84 | 10309 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
10310 | struct net_device *netdev, const u8 *buf, |
10311 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10312 | { |
10313 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10314 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
10315 | } |
10316 | ||
53b46b84 JM |
10317 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
10318 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 10319 | size_t len, gfp_t gfp) |
6039f6d2 JM |
10320 | { |
10321 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10322 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
10323 | } |
10324 | ||
6ff57cf8 JB |
10325 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
10326 | size_t len) | |
cf4e594e | 10327 | { |
947add36 JB |
10328 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10329 | struct wiphy *wiphy = wdev->wiphy; | |
10330 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6ff57cf8 JB |
10331 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
10332 | u32 cmd; | |
947add36 | 10333 | |
6ff57cf8 JB |
10334 | if (WARN_ON(len < 2)) |
10335 | return; | |
cf4e594e | 10336 | |
6ff57cf8 JB |
10337 | if (ieee80211_is_deauth(mgmt->frame_control)) |
10338 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
10339 | else | |
10340 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 10341 | |
6ff57cf8 JB |
10342 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
10343 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC); | |
cf4e594e | 10344 | } |
6ff57cf8 | 10345 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 10346 | |
1b06bb40 LR |
10347 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
10348 | struct net_device *netdev, int cmd, | |
e6d6e342 | 10349 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
10350 | { |
10351 | struct sk_buff *msg; | |
10352 | void *hdr; | |
10353 | ||
e6d6e342 | 10354 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
10355 | if (!msg) |
10356 | return; | |
10357 | ||
10358 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10359 | if (!hdr) { | |
10360 | nlmsg_free(msg); | |
10361 | return; | |
10362 | } | |
10363 | ||
9360ffd1 DM |
10364 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10365 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10366 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
10367 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10368 | goto nla_put_failure; | |
1965c853 | 10369 | |
3b7b72ee | 10370 | genlmsg_end(msg, hdr); |
1965c853 | 10371 | |
68eb5503 | 10372 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10373 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
10374 | return; |
10375 | ||
10376 | nla_put_failure: | |
10377 | genlmsg_cancel(msg, hdr); | |
10378 | nlmsg_free(msg); | |
10379 | } | |
10380 | ||
10381 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10382 | struct net_device *netdev, const u8 *addr, |
10383 | gfp_t gfp) | |
1965c853 JM |
10384 | { |
10385 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 10386 | addr, gfp); |
1965c853 JM |
10387 | } |
10388 | ||
10389 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10390 | struct net_device *netdev, const u8 *addr, |
10391 | gfp_t gfp) | |
1965c853 | 10392 | { |
e6d6e342 JB |
10393 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
10394 | addr, gfp); | |
1965c853 JM |
10395 | } |
10396 | ||
b23aa676 SO |
10397 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
10398 | struct net_device *netdev, const u8 *bssid, | |
10399 | const u8 *req_ie, size_t req_ie_len, | |
10400 | const u8 *resp_ie, size_t resp_ie_len, | |
10401 | u16 status, gfp_t gfp) | |
10402 | { | |
10403 | struct sk_buff *msg; | |
10404 | void *hdr; | |
10405 | ||
58050fce | 10406 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10407 | if (!msg) |
10408 | return; | |
10409 | ||
10410 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
10411 | if (!hdr) { | |
10412 | nlmsg_free(msg); | |
10413 | return; | |
10414 | } | |
10415 | ||
9360ffd1 DM |
10416 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10417 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10418 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
10419 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
10420 | (req_ie && | |
10421 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10422 | (resp_ie && | |
10423 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10424 | goto nla_put_failure; | |
b23aa676 | 10425 | |
3b7b72ee | 10426 | genlmsg_end(msg, hdr); |
b23aa676 | 10427 | |
68eb5503 | 10428 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10429 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10430 | return; |
10431 | ||
10432 | nla_put_failure: | |
10433 | genlmsg_cancel(msg, hdr); | |
10434 | nlmsg_free(msg); | |
10435 | ||
10436 | } | |
10437 | ||
10438 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
10439 | struct net_device *netdev, const u8 *bssid, | |
10440 | const u8 *req_ie, size_t req_ie_len, | |
10441 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
10442 | { | |
10443 | struct sk_buff *msg; | |
10444 | void *hdr; | |
10445 | ||
58050fce | 10446 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10447 | if (!msg) |
10448 | return; | |
10449 | ||
10450 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
10451 | if (!hdr) { | |
10452 | nlmsg_free(msg); | |
10453 | return; | |
10454 | } | |
10455 | ||
9360ffd1 DM |
10456 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10457 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10458 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
10459 | (req_ie && | |
10460 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10461 | (resp_ie && | |
10462 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10463 | goto nla_put_failure; | |
b23aa676 | 10464 | |
3b7b72ee | 10465 | genlmsg_end(msg, hdr); |
b23aa676 | 10466 | |
68eb5503 | 10467 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10468 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10469 | return; |
10470 | ||
10471 | nla_put_failure: | |
10472 | genlmsg_cancel(msg, hdr); | |
10473 | nlmsg_free(msg); | |
10474 | ||
10475 | } | |
10476 | ||
10477 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
10478 | struct net_device *netdev, u16 reason, | |
667503dd | 10479 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
10480 | { |
10481 | struct sk_buff *msg; | |
10482 | void *hdr; | |
10483 | ||
58050fce | 10484 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
10485 | if (!msg) |
10486 | return; | |
10487 | ||
10488 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
10489 | if (!hdr) { | |
10490 | nlmsg_free(msg); | |
10491 | return; | |
10492 | } | |
10493 | ||
9360ffd1 DM |
10494 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10495 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10496 | (from_ap && reason && | |
10497 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
10498 | (from_ap && | |
10499 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
10500 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
10501 | goto nla_put_failure; | |
b23aa676 | 10502 | |
3b7b72ee | 10503 | genlmsg_end(msg, hdr); |
b23aa676 | 10504 | |
68eb5503 | 10505 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10506 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
10507 | return; |
10508 | ||
10509 | nla_put_failure: | |
10510 | genlmsg_cancel(msg, hdr); | |
10511 | nlmsg_free(msg); | |
10512 | ||
10513 | } | |
10514 | ||
04a773ad JB |
10515 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
10516 | struct net_device *netdev, const u8 *bssid, | |
10517 | gfp_t gfp) | |
10518 | { | |
10519 | struct sk_buff *msg; | |
10520 | void *hdr; | |
10521 | ||
fd2120ca | 10522 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
10523 | if (!msg) |
10524 | return; | |
10525 | ||
10526 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
10527 | if (!hdr) { | |
10528 | nlmsg_free(msg); | |
10529 | return; | |
10530 | } | |
10531 | ||
9360ffd1 DM |
10532 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10533 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10534 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10535 | goto nla_put_failure; | |
04a773ad | 10536 | |
3b7b72ee | 10537 | genlmsg_end(msg, hdr); |
04a773ad | 10538 | |
68eb5503 | 10539 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10540 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
10541 | return; |
10542 | ||
10543 | nla_put_failure: | |
10544 | genlmsg_cancel(msg, hdr); | |
10545 | nlmsg_free(msg); | |
10546 | } | |
10547 | ||
947add36 JB |
10548 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
10549 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 10550 | { |
947add36 JB |
10551 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10552 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
c93b5e71 JC |
10553 | struct sk_buff *msg; |
10554 | void *hdr; | |
10555 | ||
947add36 JB |
10556 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
10557 | return; | |
10558 | ||
10559 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
10560 | ||
c93b5e71 JC |
10561 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10562 | if (!msg) | |
10563 | return; | |
10564 | ||
10565 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
10566 | if (!hdr) { | |
10567 | nlmsg_free(msg); | |
10568 | return; | |
10569 | } | |
10570 | ||
9360ffd1 | 10571 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
10572 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10573 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
10574 | (ie_len && ie && |
10575 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
10576 | goto nla_put_failure; | |
c93b5e71 | 10577 | |
3b7b72ee | 10578 | genlmsg_end(msg, hdr); |
c93b5e71 | 10579 | |
68eb5503 | 10580 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10581 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
10582 | return; |
10583 | ||
10584 | nla_put_failure: | |
10585 | genlmsg_cancel(msg, hdr); | |
10586 | nlmsg_free(msg); | |
10587 | } | |
947add36 | 10588 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 10589 | |
a3b8b056 JM |
10590 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
10591 | struct net_device *netdev, const u8 *addr, | |
10592 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 10593 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
10594 | { |
10595 | struct sk_buff *msg; | |
10596 | void *hdr; | |
10597 | ||
e6d6e342 | 10598 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
10599 | if (!msg) |
10600 | return; | |
10601 | ||
10602 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
10603 | if (!hdr) { | |
10604 | nlmsg_free(msg); | |
10605 | return; | |
10606 | } | |
10607 | ||
9360ffd1 DM |
10608 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10609 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10610 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
10611 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
10612 | (key_id != -1 && | |
10613 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
10614 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
10615 | goto nla_put_failure; | |
a3b8b056 | 10616 | |
3b7b72ee | 10617 | genlmsg_end(msg, hdr); |
a3b8b056 | 10618 | |
68eb5503 | 10619 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10620 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
10621 | return; |
10622 | ||
10623 | nla_put_failure: | |
10624 | genlmsg_cancel(msg, hdr); | |
10625 | nlmsg_free(msg); | |
10626 | } | |
10627 | ||
6bad8766 LR |
10628 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
10629 | struct ieee80211_channel *channel_before, | |
10630 | struct ieee80211_channel *channel_after) | |
10631 | { | |
10632 | struct sk_buff *msg; | |
10633 | void *hdr; | |
10634 | struct nlattr *nl_freq; | |
10635 | ||
fd2120ca | 10636 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
10637 | if (!msg) |
10638 | return; | |
10639 | ||
10640 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
10641 | if (!hdr) { | |
10642 | nlmsg_free(msg); | |
10643 | return; | |
10644 | } | |
10645 | ||
10646 | /* | |
10647 | * Since we are applying the beacon hint to a wiphy we know its | |
10648 | * wiphy_idx is valid | |
10649 | */ | |
9360ffd1 DM |
10650 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
10651 | goto nla_put_failure; | |
6bad8766 LR |
10652 | |
10653 | /* Before */ | |
10654 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
10655 | if (!nl_freq) | |
10656 | goto nla_put_failure; | |
cdc89b97 | 10657 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
10658 | goto nla_put_failure; |
10659 | nla_nest_end(msg, nl_freq); | |
10660 | ||
10661 | /* After */ | |
10662 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
10663 | if (!nl_freq) | |
10664 | goto nla_put_failure; | |
cdc89b97 | 10665 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
10666 | goto nla_put_failure; |
10667 | nla_nest_end(msg, nl_freq); | |
10668 | ||
3b7b72ee | 10669 | genlmsg_end(msg, hdr); |
6bad8766 | 10670 | |
463d0183 | 10671 | rcu_read_lock(); |
68eb5503 | 10672 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10673 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 10674 | rcu_read_unlock(); |
6bad8766 LR |
10675 | |
10676 | return; | |
10677 | ||
10678 | nla_put_failure: | |
10679 | genlmsg_cancel(msg, hdr); | |
10680 | nlmsg_free(msg); | |
10681 | } | |
10682 | ||
9588bbd5 JM |
10683 | static void nl80211_send_remain_on_chan_event( |
10684 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 10685 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 10686 | struct ieee80211_channel *chan, |
9588bbd5 JM |
10687 | unsigned int duration, gfp_t gfp) |
10688 | { | |
10689 | struct sk_buff *msg; | |
10690 | void *hdr; | |
10691 | ||
10692 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10693 | if (!msg) | |
10694 | return; | |
10695 | ||
10696 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10697 | if (!hdr) { | |
10698 | nlmsg_free(msg); | |
10699 | return; | |
10700 | } | |
10701 | ||
9360ffd1 | 10702 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10703 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10704 | wdev->netdev->ifindex)) || | |
00f53350 | 10705 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 10706 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
10707 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
10708 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
10709 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
10710 | goto nla_put_failure; | |
9588bbd5 | 10711 | |
9360ffd1 DM |
10712 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
10713 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
10714 | goto nla_put_failure; | |
9588bbd5 | 10715 | |
3b7b72ee | 10716 | genlmsg_end(msg, hdr); |
9588bbd5 | 10717 | |
68eb5503 | 10718 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10719 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
10720 | return; |
10721 | ||
10722 | nla_put_failure: | |
10723 | genlmsg_cancel(msg, hdr); | |
10724 | nlmsg_free(msg); | |
10725 | } | |
10726 | ||
947add36 JB |
10727 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
10728 | struct ieee80211_channel *chan, | |
10729 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 10730 | { |
947add36 JB |
10731 | struct wiphy *wiphy = wdev->wiphy; |
10732 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10733 | ||
10734 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 10735 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 10736 | rdev, wdev, cookie, chan, |
42d97a59 | 10737 | duration, gfp); |
9588bbd5 | 10738 | } |
947add36 | 10739 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 10740 | |
947add36 JB |
10741 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
10742 | struct ieee80211_channel *chan, | |
10743 | gfp_t gfp) | |
9588bbd5 | 10744 | { |
947add36 JB |
10745 | struct wiphy *wiphy = wdev->wiphy; |
10746 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10747 | ||
10748 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 10749 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 10750 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 10751 | } |
947add36 | 10752 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 10753 | |
947add36 JB |
10754 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
10755 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 10756 | { |
947add36 JB |
10757 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10758 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
98b62183 JB |
10759 | struct sk_buff *msg; |
10760 | ||
947add36 JB |
10761 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
10762 | ||
58050fce | 10763 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
10764 | if (!msg) |
10765 | return; | |
10766 | ||
66266b3a JL |
10767 | if (nl80211_send_station(msg, 0, 0, 0, |
10768 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
10769 | nlmsg_free(msg); |
10770 | return; | |
10771 | } | |
10772 | ||
68eb5503 | 10773 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10774 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 10775 | } |
947add36 | 10776 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 10777 | |
947add36 | 10778 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 10779 | { |
947add36 JB |
10780 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10781 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ec15e68b JM |
10782 | struct sk_buff *msg; |
10783 | void *hdr; | |
10784 | ||
947add36 JB |
10785 | trace_cfg80211_del_sta(dev, mac_addr); |
10786 | ||
58050fce | 10787 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
10788 | if (!msg) |
10789 | return; | |
10790 | ||
10791 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
10792 | if (!hdr) { | |
10793 | nlmsg_free(msg); | |
10794 | return; | |
10795 | } | |
10796 | ||
9360ffd1 DM |
10797 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10798 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
10799 | goto nla_put_failure; | |
ec15e68b | 10800 | |
3b7b72ee | 10801 | genlmsg_end(msg, hdr); |
ec15e68b | 10802 | |
68eb5503 | 10803 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10804 | NL80211_MCGRP_MLME, gfp); |
ec15e68b JM |
10805 | return; |
10806 | ||
10807 | nla_put_failure: | |
10808 | genlmsg_cancel(msg, hdr); | |
10809 | nlmsg_free(msg); | |
10810 | } | |
947add36 | 10811 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 10812 | |
947add36 JB |
10813 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
10814 | enum nl80211_connect_failed_reason reason, | |
10815 | gfp_t gfp) | |
ed44a951 | 10816 | { |
947add36 JB |
10817 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10818 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ed44a951 PP |
10819 | struct sk_buff *msg; |
10820 | void *hdr; | |
10821 | ||
10822 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10823 | if (!msg) | |
10824 | return; | |
10825 | ||
10826 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
10827 | if (!hdr) { | |
10828 | nlmsg_free(msg); | |
10829 | return; | |
10830 | } | |
10831 | ||
10832 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10833 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
10834 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
10835 | goto nla_put_failure; | |
10836 | ||
10837 | genlmsg_end(msg, hdr); | |
10838 | ||
68eb5503 | 10839 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10840 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
10841 | return; |
10842 | ||
10843 | nla_put_failure: | |
10844 | genlmsg_cancel(msg, hdr); | |
10845 | nlmsg_free(msg); | |
10846 | } | |
947add36 | 10847 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 10848 | |
b92ab5d8 JB |
10849 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
10850 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
10851 | { |
10852 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10853 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10854 | struct sk_buff *msg; | |
10855 | void *hdr; | |
15e47304 | 10856 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 10857 | |
15e47304 | 10858 | if (!nlportid) |
28946da7 JB |
10859 | return false; |
10860 | ||
10861 | msg = nlmsg_new(100, gfp); | |
10862 | if (!msg) | |
10863 | return true; | |
10864 | ||
b92ab5d8 | 10865 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
10866 | if (!hdr) { |
10867 | nlmsg_free(msg); | |
10868 | return true; | |
10869 | } | |
10870 | ||
9360ffd1 DM |
10871 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10872 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10873 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10874 | goto nla_put_failure; | |
28946da7 | 10875 | |
9c90a9f6 | 10876 | genlmsg_end(msg, hdr); |
15e47304 | 10877 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
10878 | return true; |
10879 | ||
10880 | nla_put_failure: | |
10881 | genlmsg_cancel(msg, hdr); | |
10882 | nlmsg_free(msg); | |
10883 | return true; | |
10884 | } | |
10885 | ||
947add36 JB |
10886 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
10887 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10888 | { |
947add36 JB |
10889 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10890 | bool ret; | |
10891 | ||
10892 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
10893 | ||
10894 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10895 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
10896 | trace_cfg80211_return_bool(false); | |
10897 | return false; | |
10898 | } | |
10899 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
10900 | addr, gfp); | |
10901 | trace_cfg80211_return_bool(ret); | |
10902 | return ret; | |
b92ab5d8 | 10903 | } |
947add36 | 10904 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 10905 | |
947add36 JB |
10906 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
10907 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10908 | { |
947add36 JB |
10909 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10910 | bool ret; | |
10911 | ||
10912 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
10913 | ||
10914 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10915 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
10916 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
10917 | trace_cfg80211_return_bool(false); | |
10918 | return false; | |
10919 | } | |
10920 | ret = __nl80211_unexpected_frame(dev, | |
10921 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
10922 | addr, gfp); | |
10923 | trace_cfg80211_return_bool(ret); | |
10924 | return ret; | |
b92ab5d8 | 10925 | } |
947add36 | 10926 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 10927 | |
2e161f78 | 10928 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 10929 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 10930 | int freq, int sig_dbm, |
19504cf5 | 10931 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 10932 | { |
71bbc994 | 10933 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10934 | struct sk_buff *msg; |
10935 | void *hdr; | |
026331c4 JM |
10936 | |
10937 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10938 | if (!msg) | |
10939 | return -ENOMEM; | |
10940 | ||
2e161f78 | 10941 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
10942 | if (!hdr) { |
10943 | nlmsg_free(msg); | |
10944 | return -ENOMEM; | |
10945 | } | |
10946 | ||
9360ffd1 | 10947 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10948 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10949 | netdev->ifindex)) || | |
a838490b | 10950 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10951 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
10952 | (sig_dbm && | |
10953 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
10954 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10955 | (flags && | |
10956 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 10957 | goto nla_put_failure; |
026331c4 | 10958 | |
3b7b72ee | 10959 | genlmsg_end(msg, hdr); |
026331c4 | 10960 | |
15e47304 | 10961 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
10962 | |
10963 | nla_put_failure: | |
10964 | genlmsg_cancel(msg, hdr); | |
10965 | nlmsg_free(msg); | |
10966 | return -ENOBUFS; | |
10967 | } | |
10968 | ||
947add36 JB |
10969 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
10970 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 10971 | { |
947add36 JB |
10972 | struct wiphy *wiphy = wdev->wiphy; |
10973 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
71bbc994 | 10974 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10975 | struct sk_buff *msg; |
10976 | void *hdr; | |
10977 | ||
947add36 JB |
10978 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
10979 | ||
026331c4 JM |
10980 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10981 | if (!msg) | |
10982 | return; | |
10983 | ||
2e161f78 | 10984 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
10985 | if (!hdr) { |
10986 | nlmsg_free(msg); | |
10987 | return; | |
10988 | } | |
10989 | ||
9360ffd1 | 10990 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10991 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10992 | netdev->ifindex)) || | |
a838490b | 10993 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10994 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10995 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10996 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10997 | goto nla_put_failure; | |
026331c4 | 10998 | |
3b7b72ee | 10999 | genlmsg_end(msg, hdr); |
026331c4 | 11000 | |
68eb5503 | 11001 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11002 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
11003 | return; |
11004 | ||
11005 | nla_put_failure: | |
11006 | genlmsg_cancel(msg, hdr); | |
11007 | nlmsg_free(msg); | |
11008 | } | |
947add36 | 11009 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 11010 | |
947add36 JB |
11011 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
11012 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
11013 | gfp_t gfp) | |
d6dc1a38 | 11014 | { |
947add36 JB |
11015 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11016 | struct wiphy *wiphy = wdev->wiphy; | |
11017 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
d6dc1a38 JO |
11018 | struct sk_buff *msg; |
11019 | struct nlattr *pinfoattr; | |
11020 | void *hdr; | |
11021 | ||
947add36 JB |
11022 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
11023 | ||
58050fce | 11024 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
11025 | if (!msg) |
11026 | return; | |
11027 | ||
11028 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11029 | if (!hdr) { | |
11030 | nlmsg_free(msg); | |
11031 | return; | |
11032 | } | |
11033 | ||
9360ffd1 | 11034 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11035 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 11036 | goto nla_put_failure; |
d6dc1a38 JO |
11037 | |
11038 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11039 | if (!pinfoattr) | |
11040 | goto nla_put_failure; | |
11041 | ||
9360ffd1 DM |
11042 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
11043 | rssi_event)) | |
11044 | goto nla_put_failure; | |
d6dc1a38 JO |
11045 | |
11046 | nla_nest_end(msg, pinfoattr); | |
11047 | ||
3b7b72ee | 11048 | genlmsg_end(msg, hdr); |
d6dc1a38 | 11049 | |
68eb5503 | 11050 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11051 | NL80211_MCGRP_MLME, gfp); |
d6dc1a38 JO |
11052 | return; |
11053 | ||
11054 | nla_put_failure: | |
11055 | genlmsg_cancel(msg, hdr); | |
11056 | nlmsg_free(msg); | |
11057 | } | |
947add36 | 11058 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 11059 | |
947add36 JB |
11060 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
11061 | struct net_device *netdev, const u8 *bssid, | |
11062 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
11063 | { |
11064 | struct sk_buff *msg; | |
11065 | struct nlattr *rekey_attr; | |
11066 | void *hdr; | |
11067 | ||
58050fce | 11068 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
11069 | if (!msg) |
11070 | return; | |
11071 | ||
11072 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
11073 | if (!hdr) { | |
11074 | nlmsg_free(msg); | |
11075 | return; | |
11076 | } | |
11077 | ||
9360ffd1 DM |
11078 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11079 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11080 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
11081 | goto nla_put_failure; | |
e5497d76 JB |
11082 | |
11083 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
11084 | if (!rekey_attr) | |
11085 | goto nla_put_failure; | |
11086 | ||
9360ffd1 DM |
11087 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
11088 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
11089 | goto nla_put_failure; | |
e5497d76 JB |
11090 | |
11091 | nla_nest_end(msg, rekey_attr); | |
11092 | ||
3b7b72ee | 11093 | genlmsg_end(msg, hdr); |
e5497d76 | 11094 | |
68eb5503 | 11095 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11096 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
11097 | return; |
11098 | ||
11099 | nla_put_failure: | |
11100 | genlmsg_cancel(msg, hdr); | |
11101 | nlmsg_free(msg); | |
11102 | } | |
11103 | ||
947add36 JB |
11104 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
11105 | const u8 *replay_ctr, gfp_t gfp) | |
11106 | { | |
11107 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11108 | struct wiphy *wiphy = wdev->wiphy; | |
11109 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11110 | ||
11111 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
11112 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
11113 | } | |
11114 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
11115 | ||
11116 | static void | |
11117 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
11118 | struct net_device *netdev, int index, | |
11119 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
11120 | { |
11121 | struct sk_buff *msg; | |
11122 | struct nlattr *attr; | |
11123 | void *hdr; | |
11124 | ||
58050fce | 11125 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
11126 | if (!msg) |
11127 | return; | |
11128 | ||
11129 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
11130 | if (!hdr) { | |
11131 | nlmsg_free(msg); | |
11132 | return; | |
11133 | } | |
11134 | ||
9360ffd1 DM |
11135 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11136 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
11137 | goto nla_put_failure; | |
c9df56b4 JM |
11138 | |
11139 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
11140 | if (!attr) | |
11141 | goto nla_put_failure; | |
11142 | ||
9360ffd1 DM |
11143 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
11144 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
11145 | (preauth && | |
11146 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
11147 | goto nla_put_failure; | |
c9df56b4 JM |
11148 | |
11149 | nla_nest_end(msg, attr); | |
11150 | ||
3b7b72ee | 11151 | genlmsg_end(msg, hdr); |
c9df56b4 | 11152 | |
68eb5503 | 11153 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11154 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
11155 | return; |
11156 | ||
11157 | nla_put_failure: | |
11158 | genlmsg_cancel(msg, hdr); | |
11159 | nlmsg_free(msg); | |
11160 | } | |
11161 | ||
947add36 JB |
11162 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
11163 | const u8 *bssid, bool preauth, gfp_t gfp) | |
11164 | { | |
11165 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11166 | struct wiphy *wiphy = wdev->wiphy; | |
11167 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11168 | ||
11169 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
11170 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
11171 | } | |
11172 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
11173 | ||
11174 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
11175 | struct net_device *netdev, | |
11176 | struct cfg80211_chan_def *chandef, | |
11177 | gfp_t gfp) | |
5314526b TP |
11178 | { |
11179 | struct sk_buff *msg; | |
11180 | void *hdr; | |
11181 | ||
58050fce | 11182 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
11183 | if (!msg) |
11184 | return; | |
11185 | ||
11186 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
11187 | if (!hdr) { | |
11188 | nlmsg_free(msg); | |
11189 | return; | |
11190 | } | |
11191 | ||
683b6d3b JB |
11192 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
11193 | goto nla_put_failure; | |
11194 | ||
11195 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 11196 | goto nla_put_failure; |
5314526b TP |
11197 | |
11198 | genlmsg_end(msg, hdr); | |
11199 | ||
68eb5503 | 11200 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11201 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
11202 | return; |
11203 | ||
11204 | nla_put_failure: | |
11205 | genlmsg_cancel(msg, hdr); | |
11206 | nlmsg_free(msg); | |
11207 | } | |
11208 | ||
947add36 JB |
11209 | void cfg80211_ch_switch_notify(struct net_device *dev, |
11210 | struct cfg80211_chan_def *chandef) | |
84f10708 | 11211 | { |
947add36 JB |
11212 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11213 | struct wiphy *wiphy = wdev->wiphy; | |
11214 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11215 | ||
e487eaeb | 11216 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 11217 | |
e487eaeb | 11218 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 JB |
11219 | |
11220 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
ee4bc9e7 | 11221 | wdev->iftype != NL80211_IFTYPE_P2P_GO && |
b8456a14 CYY |
11222 | wdev->iftype != NL80211_IFTYPE_ADHOC && |
11223 | wdev->iftype != NL80211_IFTYPE_MESH_POINT)) | |
e487eaeb | 11224 | return; |
947add36 | 11225 | |
9e0e2961 | 11226 | wdev->chandef = *chandef; |
96f55f12 | 11227 | wdev->preset_chandef = *chandef; |
947add36 | 11228 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); |
947add36 JB |
11229 | } |
11230 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
11231 | ||
11232 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
11233 | const u8 *peer, u32 num_packets, | |
11234 | u32 rate, u32 intvl, gfp_t gfp) | |
11235 | { | |
11236 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11237 | struct wiphy *wiphy = wdev->wiphy; | |
11238 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
84f10708 TP |
11239 | struct sk_buff *msg; |
11240 | struct nlattr *pinfoattr; | |
11241 | void *hdr; | |
11242 | ||
11243 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
11244 | if (!msg) | |
11245 | return; | |
11246 | ||
11247 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11248 | if (!hdr) { | |
11249 | nlmsg_free(msg); | |
11250 | return; | |
11251 | } | |
11252 | ||
11253 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 11254 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
11255 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11256 | goto nla_put_failure; | |
11257 | ||
11258 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11259 | if (!pinfoattr) | |
11260 | goto nla_put_failure; | |
11261 | ||
11262 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
11263 | goto nla_put_failure; | |
11264 | ||
11265 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
11266 | goto nla_put_failure; | |
11267 | ||
11268 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
11269 | goto nla_put_failure; | |
11270 | ||
11271 | nla_nest_end(msg, pinfoattr); | |
11272 | ||
11273 | genlmsg_end(msg, hdr); | |
11274 | ||
68eb5503 | 11275 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11276 | NL80211_MCGRP_MLME, gfp); |
84f10708 TP |
11277 | return; |
11278 | ||
11279 | nla_put_failure: | |
11280 | genlmsg_cancel(msg, hdr); | |
11281 | nlmsg_free(msg); | |
11282 | } | |
947add36 | 11283 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 11284 | |
04f39047 SW |
11285 | void |
11286 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 11287 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
11288 | enum nl80211_radar_event event, |
11289 | struct net_device *netdev, gfp_t gfp) | |
11290 | { | |
11291 | struct sk_buff *msg; | |
11292 | void *hdr; | |
11293 | ||
11294 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11295 | if (!msg) | |
11296 | return; | |
11297 | ||
11298 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
11299 | if (!hdr) { | |
11300 | nlmsg_free(msg); | |
11301 | return; | |
11302 | } | |
11303 | ||
11304 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
11305 | goto nla_put_failure; | |
11306 | ||
11307 | /* NOP and radar events don't need a netdev parameter */ | |
11308 | if (netdev) { | |
11309 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
11310 | ||
11311 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11312 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11313 | goto nla_put_failure; | |
11314 | } | |
11315 | ||
11316 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
11317 | goto nla_put_failure; | |
11318 | ||
11319 | if (nl80211_send_chandef(msg, chandef)) | |
11320 | goto nla_put_failure; | |
11321 | ||
9c90a9f6 | 11322 | genlmsg_end(msg, hdr); |
04f39047 | 11323 | |
68eb5503 | 11324 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11325 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
11326 | return; |
11327 | ||
11328 | nla_put_failure: | |
11329 | genlmsg_cancel(msg, hdr); | |
11330 | nlmsg_free(msg); | |
11331 | } | |
11332 | ||
947add36 JB |
11333 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
11334 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 11335 | { |
947add36 JB |
11336 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11337 | struct wiphy *wiphy = wdev->wiphy; | |
11338 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
c063dbf5 JB |
11339 | struct sk_buff *msg; |
11340 | struct nlattr *pinfoattr; | |
11341 | void *hdr; | |
11342 | ||
947add36 JB |
11343 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
11344 | ||
58050fce | 11345 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
11346 | if (!msg) |
11347 | return; | |
11348 | ||
11349 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11350 | if (!hdr) { | |
11351 | nlmsg_free(msg); | |
11352 | return; | |
11353 | } | |
11354 | ||
9360ffd1 | 11355 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11356 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
11357 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11358 | goto nla_put_failure; | |
c063dbf5 JB |
11359 | |
11360 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11361 | if (!pinfoattr) | |
11362 | goto nla_put_failure; | |
11363 | ||
9360ffd1 DM |
11364 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
11365 | goto nla_put_failure; | |
c063dbf5 JB |
11366 | |
11367 | nla_nest_end(msg, pinfoattr); | |
11368 | ||
3b7b72ee | 11369 | genlmsg_end(msg, hdr); |
c063dbf5 | 11370 | |
68eb5503 | 11371 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11372 | NL80211_MCGRP_MLME, gfp); |
c063dbf5 JB |
11373 | return; |
11374 | ||
11375 | nla_put_failure: | |
11376 | genlmsg_cancel(msg, hdr); | |
11377 | nlmsg_free(msg); | |
11378 | } | |
947add36 | 11379 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 11380 | |
7f6cf311 JB |
11381 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
11382 | u64 cookie, bool acked, gfp_t gfp) | |
11383 | { | |
11384 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11385 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11386 | struct sk_buff *msg; | |
11387 | void *hdr; | |
7f6cf311 | 11388 | |
4ee3e063 BL |
11389 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
11390 | ||
58050fce | 11391 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 11392 | |
7f6cf311 JB |
11393 | if (!msg) |
11394 | return; | |
11395 | ||
11396 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
11397 | if (!hdr) { | |
11398 | nlmsg_free(msg); | |
11399 | return; | |
11400 | } | |
11401 | ||
9360ffd1 DM |
11402 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11403 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11404 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
11405 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11406 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11407 | goto nla_put_failure; | |
7f6cf311 | 11408 | |
9c90a9f6 | 11409 | genlmsg_end(msg, hdr); |
7f6cf311 | 11410 | |
68eb5503 | 11411 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11412 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
11413 | return; |
11414 | ||
11415 | nla_put_failure: | |
11416 | genlmsg_cancel(msg, hdr); | |
11417 | nlmsg_free(msg); | |
11418 | } | |
11419 | EXPORT_SYMBOL(cfg80211_probe_status); | |
11420 | ||
5e760230 JB |
11421 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
11422 | const u8 *frame, size_t len, | |
37c73b5f | 11423 | int freq, int sig_dbm) |
5e760230 JB |
11424 | { |
11425 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11426 | struct sk_buff *msg; | |
11427 | void *hdr; | |
37c73b5f | 11428 | struct cfg80211_beacon_registration *reg; |
5e760230 | 11429 | |
4ee3e063 BL |
11430 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
11431 | ||
37c73b5f BG |
11432 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11433 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11434 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
11435 | if (!msg) { | |
11436 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11437 | return; | |
11438 | } | |
5e760230 | 11439 | |
37c73b5f BG |
11440 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
11441 | if (!hdr) | |
11442 | goto nla_put_failure; | |
5e760230 | 11443 | |
37c73b5f BG |
11444 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11445 | (freq && | |
11446 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
11447 | (sig_dbm && | |
11448 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
11449 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
11450 | goto nla_put_failure; | |
5e760230 | 11451 | |
37c73b5f | 11452 | genlmsg_end(msg, hdr); |
5e760230 | 11453 | |
37c73b5f BG |
11454 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
11455 | } | |
11456 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
11457 | return; |
11458 | ||
11459 | nla_put_failure: | |
37c73b5f BG |
11460 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
11461 | if (hdr) | |
11462 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
11463 | nlmsg_free(msg); |
11464 | } | |
11465 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
11466 | ||
cd8f7cb4 JB |
11467 | #ifdef CONFIG_PM |
11468 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
11469 | struct cfg80211_wowlan_wakeup *wakeup, | |
11470 | gfp_t gfp) | |
11471 | { | |
11472 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11473 | struct sk_buff *msg; | |
11474 | void *hdr; | |
9c90a9f6 | 11475 | int size = 200; |
cd8f7cb4 JB |
11476 | |
11477 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
11478 | ||
11479 | if (wakeup) | |
11480 | size += wakeup->packet_present_len; | |
11481 | ||
11482 | msg = nlmsg_new(size, gfp); | |
11483 | if (!msg) | |
11484 | return; | |
11485 | ||
11486 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
11487 | if (!hdr) | |
11488 | goto free_msg; | |
11489 | ||
11490 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11491 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11492 | goto free_msg; | |
11493 | ||
11494 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11495 | wdev->netdev->ifindex)) | |
11496 | goto free_msg; | |
11497 | ||
11498 | if (wakeup) { | |
11499 | struct nlattr *reasons; | |
11500 | ||
11501 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
11502 | if (!reasons) |
11503 | goto free_msg; | |
cd8f7cb4 JB |
11504 | |
11505 | if (wakeup->disconnect && | |
11506 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
11507 | goto free_msg; | |
11508 | if (wakeup->magic_pkt && | |
11509 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
11510 | goto free_msg; | |
11511 | if (wakeup->gtk_rekey_failure && | |
11512 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
11513 | goto free_msg; | |
11514 | if (wakeup->eap_identity_req && | |
11515 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
11516 | goto free_msg; | |
11517 | if (wakeup->four_way_handshake && | |
11518 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
11519 | goto free_msg; | |
11520 | if (wakeup->rfkill_release && | |
11521 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
11522 | goto free_msg; | |
11523 | ||
11524 | if (wakeup->pattern_idx >= 0 && | |
11525 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
11526 | wakeup->pattern_idx)) | |
11527 | goto free_msg; | |
11528 | ||
ae917c9f JB |
11529 | if (wakeup->tcp_match && |
11530 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
11531 | goto free_msg; | |
2a0e047e | 11532 | |
ae917c9f JB |
11533 | if (wakeup->tcp_connlost && |
11534 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
11535 | goto free_msg; | |
2a0e047e | 11536 | |
ae917c9f JB |
11537 | if (wakeup->tcp_nomoretokens && |
11538 | nla_put_flag(msg, | |
11539 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
11540 | goto free_msg; | |
2a0e047e | 11541 | |
cd8f7cb4 JB |
11542 | if (wakeup->packet) { |
11543 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
11544 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
11545 | ||
11546 | if (!wakeup->packet_80211) { | |
11547 | pkt_attr = | |
11548 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
11549 | len_attr = | |
11550 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
11551 | } | |
11552 | ||
11553 | if (wakeup->packet_len && | |
11554 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
11555 | goto free_msg; | |
11556 | ||
11557 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
11558 | wakeup->packet)) | |
11559 | goto free_msg; | |
11560 | } | |
11561 | ||
11562 | nla_nest_end(msg, reasons); | |
11563 | } | |
11564 | ||
9c90a9f6 | 11565 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 11566 | |
68eb5503 | 11567 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11568 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
11569 | return; |
11570 | ||
11571 | free_msg: | |
11572 | nlmsg_free(msg); | |
11573 | } | |
11574 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
11575 | #endif | |
11576 | ||
3475b094 JM |
11577 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
11578 | enum nl80211_tdls_operation oper, | |
11579 | u16 reason_code, gfp_t gfp) | |
11580 | { | |
11581 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11582 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11583 | struct sk_buff *msg; | |
11584 | void *hdr; | |
3475b094 JM |
11585 | |
11586 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
11587 | reason_code); | |
11588 | ||
11589 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11590 | if (!msg) | |
11591 | return; | |
11592 | ||
11593 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
11594 | if (!hdr) { | |
11595 | nlmsg_free(msg); | |
11596 | return; | |
11597 | } | |
11598 | ||
11599 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11600 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11601 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
11602 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
11603 | (reason_code > 0 && | |
11604 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
11605 | goto nla_put_failure; | |
11606 | ||
9c90a9f6 | 11607 | genlmsg_end(msg, hdr); |
3475b094 | 11608 | |
68eb5503 | 11609 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11610 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
11611 | return; |
11612 | ||
11613 | nla_put_failure: | |
11614 | genlmsg_cancel(msg, hdr); | |
11615 | nlmsg_free(msg); | |
11616 | } | |
11617 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
11618 | ||
026331c4 JM |
11619 | static int nl80211_netlink_notify(struct notifier_block * nb, |
11620 | unsigned long state, | |
11621 | void *_notify) | |
11622 | { | |
11623 | struct netlink_notify *notify = _notify; | |
11624 | struct cfg80211_registered_device *rdev; | |
11625 | struct wireless_dev *wdev; | |
37c73b5f | 11626 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
11627 | |
11628 | if (state != NETLINK_URELEASE) | |
11629 | return NOTIFY_DONE; | |
11630 | ||
11631 | rcu_read_lock(); | |
11632 | ||
5e760230 | 11633 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
89a54e48 | 11634 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) |
15e47304 | 11635 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f BG |
11636 | |
11637 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
11638 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
11639 | list) { | |
11640 | if (reg->nlportid == notify->portid) { | |
11641 | list_del(®->list); | |
11642 | kfree(reg); | |
11643 | break; | |
11644 | } | |
11645 | } | |
11646 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 11647 | } |
026331c4 JM |
11648 | |
11649 | rcu_read_unlock(); | |
11650 | ||
11651 | return NOTIFY_DONE; | |
11652 | } | |
11653 | ||
11654 | static struct notifier_block nl80211_netlink_notifier = { | |
11655 | .notifier_call = nl80211_netlink_notify, | |
11656 | }; | |
11657 | ||
355199e0 JM |
11658 | void cfg80211_ft_event(struct net_device *netdev, |
11659 | struct cfg80211_ft_event_params *ft_event) | |
11660 | { | |
11661 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
11662 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11663 | struct sk_buff *msg; | |
11664 | void *hdr; | |
355199e0 JM |
11665 | |
11666 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
11667 | ||
11668 | if (!ft_event->target_ap) | |
11669 | return; | |
11670 | ||
11671 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11672 | if (!msg) | |
11673 | return; | |
11674 | ||
11675 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
11676 | if (!hdr) |
11677 | goto out; | |
355199e0 | 11678 | |
ae917c9f JB |
11679 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11680 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11681 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
11682 | goto out; | |
355199e0 | 11683 | |
ae917c9f JB |
11684 | if (ft_event->ies && |
11685 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
11686 | goto out; | |
11687 | if (ft_event->ric_ies && | |
11688 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
11689 | ft_event->ric_ies)) | |
11690 | goto out; | |
355199e0 | 11691 | |
9c90a9f6 | 11692 | genlmsg_end(msg, hdr); |
355199e0 | 11693 | |
68eb5503 | 11694 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11695 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
11696 | return; |
11697 | out: | |
11698 | nlmsg_free(msg); | |
355199e0 JM |
11699 | } |
11700 | EXPORT_SYMBOL(cfg80211_ft_event); | |
11701 | ||
5de17984 AS |
11702 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
11703 | { | |
11704 | struct cfg80211_registered_device *rdev; | |
11705 | struct sk_buff *msg; | |
11706 | void *hdr; | |
11707 | u32 nlportid; | |
11708 | ||
11709 | rdev = wiphy_to_dev(wdev->wiphy); | |
11710 | if (!rdev->crit_proto_nlportid) | |
11711 | return; | |
11712 | ||
11713 | nlportid = rdev->crit_proto_nlportid; | |
11714 | rdev->crit_proto_nlportid = 0; | |
11715 | ||
11716 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11717 | if (!msg) | |
11718 | return; | |
11719 | ||
11720 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
11721 | if (!hdr) | |
11722 | goto nla_put_failure; | |
11723 | ||
11724 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11725 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11726 | goto nla_put_failure; | |
11727 | ||
11728 | genlmsg_end(msg, hdr); | |
11729 | ||
11730 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
11731 | return; | |
11732 | ||
11733 | nla_put_failure: | |
11734 | if (hdr) | |
11735 | genlmsg_cancel(msg, hdr); | |
11736 | nlmsg_free(msg); | |
11737 | ||
11738 | } | |
11739 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
11740 | ||
348baf0e JB |
11741 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
11742 | { | |
11743 | struct wiphy *wiphy = wdev->wiphy; | |
11744 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11745 | struct sk_buff *msg; | |
11746 | void *hdr; | |
11747 | ||
11748 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11749 | if (!msg) | |
11750 | return; | |
11751 | ||
11752 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
11753 | if (!hdr) | |
11754 | goto out; | |
11755 | ||
11756 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11757 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
11758 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11759 | goto out; | |
11760 | ||
11761 | genlmsg_end(msg, hdr); | |
11762 | ||
11763 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
11764 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
11765 | return; | |
11766 | out: | |
11767 | nlmsg_free(msg); | |
11768 | } | |
11769 | ||
55682965 JB |
11770 | /* initialisation/exit functions */ |
11771 | ||
11772 | int nl80211_init(void) | |
11773 | { | |
0d63cbb5 | 11774 | int err; |
55682965 | 11775 | |
2a94fe48 JB |
11776 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
11777 | nl80211_mcgrps); | |
55682965 JB |
11778 | if (err) |
11779 | return err; | |
11780 | ||
026331c4 JM |
11781 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
11782 | if (err) | |
11783 | goto err_out; | |
11784 | ||
55682965 JB |
11785 | return 0; |
11786 | err_out: | |
11787 | genl_unregister_family(&nl80211_fam); | |
11788 | return err; | |
11789 | } | |
11790 | ||
11791 | void nl80211_exit(void) | |
11792 | { | |
026331c4 | 11793 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
11794 | genl_unregister_family(&nl80211_fam); |
11795 | } |