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Commit | Line | Data |
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55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
2740f0cf | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
55682965 JB |
6 | */ |
7 | ||
8 | #include <linux/if.h> | |
9 | #include <linux/module.h> | |
10 | #include <linux/err.h> | |
5a0e3ad6 | 11 | #include <linux/slab.h> |
55682965 JB |
12 | #include <linux/list.h> |
13 | #include <linux/if_ether.h> | |
14 | #include <linux/ieee80211.h> | |
15 | #include <linux/nl80211.h> | |
16 | #include <linux/rtnetlink.h> | |
17 | #include <linux/netlink.h> | |
2a519311 | 18 | #include <linux/etherdevice.h> |
463d0183 | 19 | #include <net/net_namespace.h> |
55682965 JB |
20 | #include <net/genetlink.h> |
21 | #include <net/cfg80211.h> | |
463d0183 | 22 | #include <net/sock.h> |
2a0e047e | 23 | #include <net/inet_connection_sock.h> |
55682965 JB |
24 | #include "core.h" |
25 | #include "nl80211.h" | |
b2e1b302 | 26 | #include "reg.h" |
e35e4d28 | 27 | #include "rdev-ops.h" |
55682965 | 28 | |
5fb628e9 JM |
29 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
30 | struct genl_info *info, | |
31 | struct cfg80211_crypto_settings *settings, | |
32 | int cipher_limit); | |
33 | ||
f84f771d | 34 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 | 35 | struct genl_info *info); |
f84f771d | 36 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
37 | struct genl_info *info); |
38 | ||
55682965 JB |
39 | /* the netlink family */ |
40 | static struct genl_family nl80211_fam = { | |
fb4e1568 MH |
41 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
42 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ | |
43 | .hdrsize = 0, /* no private header */ | |
44 | .version = 1, /* no particular meaning now */ | |
55682965 | 45 | .maxattr = NL80211_ATTR_MAX, |
463d0183 | 46 | .netnsok = true, |
4c476991 JB |
47 | .pre_doit = nl80211_pre_doit, |
48 | .post_doit = nl80211_post_doit, | |
55682965 JB |
49 | }; |
50 | ||
2a94fe48 JB |
51 | /* multicast groups */ |
52 | enum nl80211_multicast_groups { | |
53 | NL80211_MCGRP_CONFIG, | |
54 | NL80211_MCGRP_SCAN, | |
55 | NL80211_MCGRP_REGULATORY, | |
56 | NL80211_MCGRP_MLME, | |
567ffc35 | 57 | NL80211_MCGRP_VENDOR, |
2a94fe48 JB |
58 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
59 | }; | |
60 | ||
61 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
62 | [NL80211_MCGRP_CONFIG] = { .name = "config", }, | |
63 | [NL80211_MCGRP_SCAN] = { .name = "scan", }, | |
64 | [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", }, | |
65 | [NL80211_MCGRP_MLME] = { .name = "mlme", }, | |
567ffc35 | 66 | [NL80211_MCGRP_VENDOR] = { .name = "vendor", }, |
2a94fe48 JB |
67 | #ifdef CONFIG_NL80211_TESTMODE |
68 | [NL80211_MCGRP_TESTMODE] = { .name = "testmode", } | |
69 | #endif | |
70 | }; | |
71 | ||
89a54e48 JB |
72 | /* returns ERR_PTR values */ |
73 | static struct wireless_dev * | |
74 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 75 | { |
89a54e48 JB |
76 | struct cfg80211_registered_device *rdev; |
77 | struct wireless_dev *result = NULL; | |
78 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
79 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
80 | u64 wdev_id; | |
81 | int wiphy_idx = -1; | |
82 | int ifidx = -1; | |
55682965 | 83 | |
5fe231e8 | 84 | ASSERT_RTNL(); |
55682965 | 85 | |
89a54e48 JB |
86 | if (!have_ifidx && !have_wdev_id) |
87 | return ERR_PTR(-EINVAL); | |
55682965 | 88 | |
89a54e48 JB |
89 | if (have_ifidx) |
90 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
91 | if (have_wdev_id) { | |
92 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
93 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
94 | } |
95 | ||
89a54e48 JB |
96 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
97 | struct wireless_dev *wdev; | |
98 | ||
99 | if (wiphy_net(&rdev->wiphy) != netns) | |
100 | continue; | |
101 | ||
102 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
103 | continue; | |
104 | ||
89a54e48 JB |
105 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
106 | if (have_ifidx && wdev->netdev && | |
107 | wdev->netdev->ifindex == ifidx) { | |
108 | result = wdev; | |
109 | break; | |
110 | } | |
111 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
112 | result = wdev; | |
113 | break; | |
114 | } | |
115 | } | |
89a54e48 JB |
116 | |
117 | if (result) | |
118 | break; | |
119 | } | |
120 | ||
121 | if (result) | |
122 | return result; | |
123 | return ERR_PTR(-ENODEV); | |
55682965 JB |
124 | } |
125 | ||
a9455408 | 126 | static struct cfg80211_registered_device * |
878d9ec7 | 127 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 128 | { |
7fee4778 JB |
129 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
130 | struct net_device *netdev; | |
a9455408 | 131 | |
5fe231e8 | 132 | ASSERT_RTNL(); |
a9455408 | 133 | |
878d9ec7 | 134 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
135 | !attrs[NL80211_ATTR_IFINDEX] && |
136 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
137 | return ERR_PTR(-EINVAL); |
138 | ||
878d9ec7 | 139 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 140 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 141 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 142 | |
89a54e48 JB |
143 | if (attrs[NL80211_ATTR_WDEV]) { |
144 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
145 | struct wireless_dev *wdev; | |
146 | bool found = false; | |
147 | ||
148 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
149 | if (tmp) { | |
150 | /* make sure wdev exists */ | |
89a54e48 JB |
151 | list_for_each_entry(wdev, &tmp->wdev_list, list) { |
152 | if (wdev->identifier != (u32)wdev_id) | |
153 | continue; | |
154 | found = true; | |
155 | break; | |
156 | } | |
89a54e48 JB |
157 | |
158 | if (!found) | |
159 | tmp = NULL; | |
160 | ||
161 | if (rdev && tmp != rdev) | |
162 | return ERR_PTR(-EINVAL); | |
163 | rdev = tmp; | |
164 | } | |
165 | } | |
166 | ||
878d9ec7 JB |
167 | if (attrs[NL80211_ATTR_IFINDEX]) { |
168 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7f2b8562 | 169 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
170 | if (netdev) { |
171 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
172 | tmp = wiphy_to_rdev( |
173 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
174 | else |
175 | tmp = NULL; | |
176 | ||
7fee4778 JB |
177 | /* not wireless device -- return error */ |
178 | if (!tmp) | |
179 | return ERR_PTR(-EINVAL); | |
180 | ||
181 | /* mismatch -- return error */ | |
182 | if (rdev && tmp != rdev) | |
183 | return ERR_PTR(-EINVAL); | |
184 | ||
185 | rdev = tmp; | |
a9455408 | 186 | } |
a9455408 | 187 | } |
a9455408 | 188 | |
4f7eff10 JB |
189 | if (!rdev) |
190 | return ERR_PTR(-ENODEV); | |
a9455408 | 191 | |
4f7eff10 JB |
192 | if (netns != wiphy_net(&rdev->wiphy)) |
193 | return ERR_PTR(-ENODEV); | |
194 | ||
195 | return rdev; | |
a9455408 JB |
196 | } |
197 | ||
198 | /* | |
199 | * This function returns a pointer to the driver | |
200 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
201 | * |
202 | * The result of this can be a PTR_ERR and hence must | |
203 | * be checked with IS_ERR() for errors. | |
204 | */ | |
205 | static struct cfg80211_registered_device * | |
4f7eff10 | 206 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 207 | { |
5fe231e8 | 208 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
209 | } |
210 | ||
55682965 | 211 | /* policy for the attributes */ |
b54452b0 | 212 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
213 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
214 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 215 | .len = 20-1 }, |
31888487 | 216 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 217 | |
72bdcf34 | 218 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 219 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
220 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
221 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
222 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
223 | ||
b9a5f8ca JM |
224 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
225 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
226 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
227 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 228 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
3057dbfd | 229 | [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, |
55682965 JB |
230 | |
231 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
232 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
233 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 234 | |
e007b857 EP |
235 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
236 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 237 | |
b9454e83 | 238 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
239 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
240 | .len = WLAN_MAX_KEY_LEN }, | |
241 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
242 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
243 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 244 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 245 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
246 | |
247 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
248 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
249 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
250 | .len = IEEE80211_MAX_DATA_LEN }, | |
251 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
252 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
253 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
254 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
255 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
256 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
257 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 258 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 259 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 260 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 261 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 262 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 263 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 264 | |
b2e1b302 LR |
265 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
266 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
267 | ||
9f1ba906 JM |
268 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
269 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
270 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
271 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
272 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 273 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 274 | |
24bdd9f4 | 275 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 276 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 277 | |
6c739419 | 278 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
279 | |
280 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
281 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
282 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
283 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
284 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
285 | |
286 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
287 | .len = IEEE80211_MAX_SSID_LEN }, | |
288 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
289 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 290 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 291 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 292 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
293 | [NL80211_ATTR_STA_FLAGS2] = { |
294 | .len = sizeof(struct nl80211_sta_flag_update), | |
295 | }, | |
3f77316c | 296 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
297 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
298 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
299 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
300 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
301 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 302 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 303 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
304 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
305 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
306 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
307 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 308 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
309 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
310 | .len = IEEE80211_MAX_DATA_LEN }, | |
311 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 312 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 313 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 314 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 315 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
316 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
317 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 318 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
319 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
320 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 321 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 322 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 323 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 324 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 325 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 326 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 327 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 328 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 329 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
330 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
331 | .len = IEEE80211_MAX_DATA_LEN }, | |
332 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
333 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 334 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 335 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 336 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
337 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
338 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
339 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
340 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
341 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 342 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 343 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
344 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
345 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 346 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
347 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
348 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
349 | .len = NL80211_HT_CAPABILITY_LEN | |
350 | }, | |
1d9d9213 | 351 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 352 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 353 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 354 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 355 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 356 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 357 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 358 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
359 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
360 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
361 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
362 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
363 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
364 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 365 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
366 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
367 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
368 | .len = NL80211_VHT_CAPABILITY_LEN, | |
369 | }, | |
355199e0 JM |
370 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
371 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
372 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 373 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
374 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
375 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
376 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
377 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
378 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
379 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
380 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 381 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 382 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
383 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
384 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
385 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
386 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
387 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
388 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
389 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 390 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
78f22b6a | 391 | [NL80211_ATTR_IFACE_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 392 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 393 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
960d01ac JB |
394 | [NL80211_ATTR_TSID] = { .type = NLA_U8 }, |
395 | [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, | |
396 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, | |
55682965 JB |
397 | }; |
398 | ||
e31b8213 | 399 | /* policy for the key attributes */ |
b54452b0 | 400 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 401 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
402 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
403 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 404 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
405 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
406 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 407 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
408 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
409 | }; | |
410 | ||
411 | /* policy for the key default flags */ | |
412 | static const struct nla_policy | |
413 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
414 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
415 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
416 | }; |
417 | ||
ff1b6e69 JB |
418 | /* policy for WoWLAN attributes */ |
419 | static const struct nla_policy | |
420 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
421 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
422 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
423 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
424 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
425 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
426 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
427 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
428 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e JB |
429 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
430 | }; | |
431 | ||
432 | static const struct nla_policy | |
433 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
434 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
435 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
436 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
437 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
438 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
439 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
440 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
441 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
442 | }, | |
443 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
444 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
445 | }, | |
446 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
447 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
448 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
449 | }; |
450 | ||
be29b99a AK |
451 | /* policy for coalesce rule attributes */ |
452 | static const struct nla_policy | |
453 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
454 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
455 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
456 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
457 | }; | |
458 | ||
e5497d76 JB |
459 | /* policy for GTK rekey offload attributes */ |
460 | static const struct nla_policy | |
461 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
462 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
463 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
464 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
465 | }; | |
466 | ||
a1f1c21c LC |
467 | static const struct nla_policy |
468 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 469 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 470 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 471 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
472 | }; |
473 | ||
97990a06 JB |
474 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
475 | struct netlink_callback *cb, | |
476 | struct cfg80211_registered_device **rdev, | |
477 | struct wireless_dev **wdev) | |
a043897a | 478 | { |
97990a06 | 479 | int err; |
a043897a | 480 | |
97990a06 | 481 | rtnl_lock(); |
a043897a | 482 | |
97990a06 JB |
483 | if (!cb->args[0]) { |
484 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
485 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
486 | nl80211_policy); | |
487 | if (err) | |
488 | goto out_unlock; | |
67748893 | 489 | |
97990a06 JB |
490 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
491 | nl80211_fam.attrbuf); | |
492 | if (IS_ERR(*wdev)) { | |
493 | err = PTR_ERR(*wdev); | |
494 | goto out_unlock; | |
495 | } | |
f26cbf40 | 496 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
497 | /* 0 is the first index - add 1 to parse only once */ |
498 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
499 | cb->args[1] = (*wdev)->identifier; |
500 | } else { | |
c319d50b JB |
501 | /* subtract the 1 again here */ |
502 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 503 | struct wireless_dev *tmp; |
67748893 | 504 | |
97990a06 JB |
505 | if (!wiphy) { |
506 | err = -ENODEV; | |
507 | goto out_unlock; | |
508 | } | |
f26cbf40 | 509 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 510 | *wdev = NULL; |
67748893 | 511 | |
97990a06 JB |
512 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
513 | if (tmp->identifier == cb->args[1]) { | |
514 | *wdev = tmp; | |
515 | break; | |
516 | } | |
517 | } | |
67748893 | 518 | |
97990a06 JB |
519 | if (!*wdev) { |
520 | err = -ENODEV; | |
521 | goto out_unlock; | |
522 | } | |
67748893 JB |
523 | } |
524 | ||
67748893 | 525 | return 0; |
97990a06 | 526 | out_unlock: |
67748893 JB |
527 | rtnl_unlock(); |
528 | return err; | |
529 | } | |
530 | ||
97990a06 | 531 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 532 | { |
67748893 JB |
533 | rtnl_unlock(); |
534 | } | |
535 | ||
f4a11bb0 JB |
536 | /* IE validation */ |
537 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
538 | { | |
539 | const u8 *pos; | |
540 | int len; | |
541 | ||
542 | if (!attr) | |
543 | return true; | |
544 | ||
545 | pos = nla_data(attr); | |
546 | len = nla_len(attr); | |
547 | ||
548 | while (len) { | |
549 | u8 elemlen; | |
550 | ||
551 | if (len < 2) | |
552 | return false; | |
553 | len -= 2; | |
554 | ||
555 | elemlen = pos[1]; | |
556 | if (elemlen > len) | |
557 | return false; | |
558 | ||
559 | len -= elemlen; | |
560 | pos += 2 + elemlen; | |
561 | } | |
562 | ||
563 | return true; | |
564 | } | |
565 | ||
55682965 | 566 | /* message building helper */ |
15e47304 | 567 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
568 | int flags, u8 cmd) |
569 | { | |
570 | /* since there is no private header just add the generic one */ | |
15e47304 | 571 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
572 | } |
573 | ||
5dab3b8a | 574 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
575 | struct ieee80211_channel *chan, |
576 | bool large) | |
5dab3b8a | 577 | { |
ea077c1c RL |
578 | /* Some channels must be completely excluded from the |
579 | * list to protect old user-space tools from breaking | |
580 | */ | |
581 | if (!large && chan->flags & | |
582 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
583 | return 0; | |
584 | ||
9360ffd1 DM |
585 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
586 | chan->center_freq)) | |
587 | goto nla_put_failure; | |
5dab3b8a | 588 | |
9360ffd1 DM |
589 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
590 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
591 | goto nla_put_failure; | |
8fe02e16 LR |
592 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
593 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
594 | goto nla_put_failure; | |
595 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
596 | goto nla_put_failure; | |
597 | } | |
cdc89b97 JB |
598 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
599 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
600 | goto nla_put_failure; | |
601 | if (large) { | |
602 | u32 time; | |
603 | ||
604 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
605 | ||
606 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
607 | chan->dfs_state)) | |
608 | goto nla_put_failure; | |
609 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
610 | time)) | |
611 | goto nla_put_failure; | |
089027e5 JD |
612 | if (nla_put_u32(msg, |
613 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
614 | chan->dfs_cac_ms)) | |
615 | goto nla_put_failure; | |
cdc89b97 JB |
616 | } |
617 | } | |
5dab3b8a | 618 | |
fe1abafd JB |
619 | if (large) { |
620 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
621 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
622 | goto nla_put_failure; | |
623 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
624 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
625 | goto nla_put_failure; | |
626 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
627 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
628 | goto nla_put_failure; | |
629 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
630 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
631 | goto nla_put_failure; | |
570dbde1 DS |
632 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
633 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
634 | goto nla_put_failure; | |
635 | if ((chan->flags & IEEE80211_CHAN_GO_CONCURRENT) && | |
636 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_GO_CONCURRENT)) | |
637 | goto nla_put_failure; | |
ea077c1c RL |
638 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
639 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
640 | goto nla_put_failure; | |
641 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
642 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
643 | goto nla_put_failure; | |
fe1abafd JB |
644 | } |
645 | ||
9360ffd1 DM |
646 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
647 | DBM_TO_MBM(chan->max_power))) | |
648 | goto nla_put_failure; | |
5dab3b8a LR |
649 | |
650 | return 0; | |
651 | ||
652 | nla_put_failure: | |
653 | return -ENOBUFS; | |
654 | } | |
655 | ||
55682965 JB |
656 | /* netlink command implementations */ |
657 | ||
b9454e83 JB |
658 | struct key_parse { |
659 | struct key_params p; | |
660 | int idx; | |
e31b8213 | 661 | int type; |
b9454e83 | 662 | bool def, defmgmt; |
dbd2fd65 | 663 | bool def_uni, def_multi; |
b9454e83 JB |
664 | }; |
665 | ||
666 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
667 | { | |
668 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
669 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
670 | nl80211_key_policy); | |
671 | if (err) | |
672 | return err; | |
673 | ||
674 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
675 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
676 | ||
dbd2fd65 JB |
677 | if (k->def) { |
678 | k->def_uni = true; | |
679 | k->def_multi = true; | |
680 | } | |
681 | if (k->defmgmt) | |
682 | k->def_multi = true; | |
683 | ||
b9454e83 JB |
684 | if (tb[NL80211_KEY_IDX]) |
685 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
686 | ||
687 | if (tb[NL80211_KEY_DATA]) { | |
688 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
689 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
690 | } | |
691 | ||
692 | if (tb[NL80211_KEY_SEQ]) { | |
693 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
694 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
695 | } | |
696 | ||
697 | if (tb[NL80211_KEY_CIPHER]) | |
698 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
699 | ||
e31b8213 JB |
700 | if (tb[NL80211_KEY_TYPE]) { |
701 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
702 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
703 | return -EINVAL; | |
704 | } | |
705 | ||
dbd2fd65 JB |
706 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
707 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
708 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
709 | tb[NL80211_KEY_DEFAULT_TYPES], | |
710 | nl80211_key_default_policy); | |
dbd2fd65 JB |
711 | if (err) |
712 | return err; | |
713 | ||
714 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
715 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
716 | } | |
717 | ||
b9454e83 JB |
718 | return 0; |
719 | } | |
720 | ||
721 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
722 | { | |
723 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
724 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
725 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
726 | } | |
727 | ||
728 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
729 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
730 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
731 | } | |
732 | ||
733 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
734 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
735 | ||
736 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
737 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
738 | ||
739 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
740 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
741 | ||
dbd2fd65 JB |
742 | if (k->def) { |
743 | k->def_uni = true; | |
744 | k->def_multi = true; | |
745 | } | |
746 | if (k->defmgmt) | |
747 | k->def_multi = true; | |
748 | ||
e31b8213 JB |
749 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
750 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
751 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
752 | return -EINVAL; | |
753 | } | |
754 | ||
dbd2fd65 JB |
755 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
756 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
757 | int err = nla_parse_nested( | |
758 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
759 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
760 | nl80211_key_default_policy); | |
761 | if (err) | |
762 | return err; | |
763 | ||
764 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
765 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
766 | } | |
767 | ||
b9454e83 JB |
768 | return 0; |
769 | } | |
770 | ||
771 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
772 | { | |
773 | int err; | |
774 | ||
775 | memset(k, 0, sizeof(*k)); | |
776 | k->idx = -1; | |
e31b8213 | 777 | k->type = -1; |
b9454e83 JB |
778 | |
779 | if (info->attrs[NL80211_ATTR_KEY]) | |
780 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
781 | else | |
782 | err = nl80211_parse_key_old(info, k); | |
783 | ||
784 | if (err) | |
785 | return err; | |
786 | ||
787 | if (k->def && k->defmgmt) | |
788 | return -EINVAL; | |
789 | ||
dbd2fd65 JB |
790 | if (k->defmgmt) { |
791 | if (k->def_uni || !k->def_multi) | |
792 | return -EINVAL; | |
793 | } | |
794 | ||
b9454e83 JB |
795 | if (k->idx != -1) { |
796 | if (k->defmgmt) { | |
797 | if (k->idx < 4 || k->idx > 5) | |
798 | return -EINVAL; | |
799 | } else if (k->def) { | |
800 | if (k->idx < 0 || k->idx > 3) | |
801 | return -EINVAL; | |
802 | } else { | |
803 | if (k->idx < 0 || k->idx > 5) | |
804 | return -EINVAL; | |
805 | } | |
806 | } | |
807 | ||
808 | return 0; | |
809 | } | |
810 | ||
fffd0934 JB |
811 | static struct cfg80211_cached_keys * |
812 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 813 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
814 | { |
815 | struct key_parse parse; | |
816 | struct nlattr *key; | |
817 | struct cfg80211_cached_keys *result; | |
818 | int rem, err, def = 0; | |
819 | ||
820 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
821 | if (!result) | |
822 | return ERR_PTR(-ENOMEM); | |
823 | ||
824 | result->def = -1; | |
825 | result->defmgmt = -1; | |
826 | ||
827 | nla_for_each_nested(key, keys, rem) { | |
828 | memset(&parse, 0, sizeof(parse)); | |
829 | parse.idx = -1; | |
830 | ||
831 | err = nl80211_parse_key_new(key, &parse); | |
832 | if (err) | |
833 | goto error; | |
834 | err = -EINVAL; | |
835 | if (!parse.p.key) | |
836 | goto error; | |
837 | if (parse.idx < 0 || parse.idx > 4) | |
838 | goto error; | |
839 | if (parse.def) { | |
840 | if (def) | |
841 | goto error; | |
842 | def = 1; | |
843 | result->def = parse.idx; | |
dbd2fd65 JB |
844 | if (!parse.def_uni || !parse.def_multi) |
845 | goto error; | |
fffd0934 JB |
846 | } else if (parse.defmgmt) |
847 | goto error; | |
848 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 849 | parse.idx, false, NULL); |
fffd0934 JB |
850 | if (err) |
851 | goto error; | |
852 | result->params[parse.idx].cipher = parse.p.cipher; | |
853 | result->params[parse.idx].key_len = parse.p.key_len; | |
854 | result->params[parse.idx].key = result->data[parse.idx]; | |
855 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
856 | |
857 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
858 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
859 | if (no_ht) | |
860 | *no_ht = true; | |
861 | } | |
fffd0934 JB |
862 | } |
863 | ||
864 | return result; | |
865 | error: | |
866 | kfree(result); | |
867 | return ERR_PTR(err); | |
868 | } | |
869 | ||
870 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
871 | { | |
872 | ASSERT_WDEV_LOCK(wdev); | |
873 | ||
fffd0934 JB |
874 | switch (wdev->iftype) { |
875 | case NL80211_IFTYPE_AP: | |
876 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 877 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 878 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
879 | break; |
880 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 881 | case NL80211_IFTYPE_STATION: |
074ac8df | 882 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 883 | if (!wdev->current_bss) |
fffd0934 JB |
884 | return -ENOLINK; |
885 | break; | |
886 | default: | |
887 | return -EINVAL; | |
888 | } | |
889 | ||
890 | return 0; | |
891 | } | |
892 | ||
664834de JM |
893 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
894 | struct nlattr *tb) | |
895 | { | |
896 | struct ieee80211_channel *chan; | |
897 | ||
898 | if (tb == NULL) | |
899 | return NULL; | |
900 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
901 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
902 | return NULL; | |
903 | return chan; | |
904 | } | |
905 | ||
7527a782 JB |
906 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
907 | { | |
908 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
909 | int i; | |
910 | ||
911 | if (!nl_modes) | |
912 | goto nla_put_failure; | |
913 | ||
914 | i = 0; | |
915 | while (ifmodes) { | |
9360ffd1 DM |
916 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
917 | goto nla_put_failure; | |
7527a782 JB |
918 | ifmodes >>= 1; |
919 | i++; | |
920 | } | |
921 | ||
922 | nla_nest_end(msg, nl_modes); | |
923 | return 0; | |
924 | ||
925 | nla_put_failure: | |
926 | return -ENOBUFS; | |
927 | } | |
928 | ||
929 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
930 | struct sk_buff *msg, |
931 | bool large) | |
7527a782 JB |
932 | { |
933 | struct nlattr *nl_combis; | |
934 | int i, j; | |
935 | ||
936 | nl_combis = nla_nest_start(msg, | |
937 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
938 | if (!nl_combis) | |
939 | goto nla_put_failure; | |
940 | ||
941 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
942 | const struct ieee80211_iface_combination *c; | |
943 | struct nlattr *nl_combi, *nl_limits; | |
944 | ||
945 | c = &wiphy->iface_combinations[i]; | |
946 | ||
947 | nl_combi = nla_nest_start(msg, i + 1); | |
948 | if (!nl_combi) | |
949 | goto nla_put_failure; | |
950 | ||
951 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
952 | if (!nl_limits) | |
953 | goto nla_put_failure; | |
954 | ||
955 | for (j = 0; j < c->n_limits; j++) { | |
956 | struct nlattr *nl_limit; | |
957 | ||
958 | nl_limit = nla_nest_start(msg, j + 1); | |
959 | if (!nl_limit) | |
960 | goto nla_put_failure; | |
9360ffd1 DM |
961 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
962 | c->limits[j].max)) | |
963 | goto nla_put_failure; | |
7527a782 JB |
964 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
965 | c->limits[j].types)) | |
966 | goto nla_put_failure; | |
967 | nla_nest_end(msg, nl_limit); | |
968 | } | |
969 | ||
970 | nla_nest_end(msg, nl_limits); | |
971 | ||
9360ffd1 DM |
972 | if (c->beacon_int_infra_match && |
973 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
974 | goto nla_put_failure; | |
975 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
976 | c->num_different_channels) || | |
977 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
978 | c->max_interfaces)) | |
979 | goto nla_put_failure; | |
cdc89b97 | 980 | if (large && |
8c48b50a FF |
981 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
982 | c->radar_detect_widths) || | |
983 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
984 | c->radar_detect_regions))) | |
cdc89b97 | 985 | goto nla_put_failure; |
7527a782 JB |
986 | |
987 | nla_nest_end(msg, nl_combi); | |
988 | } | |
989 | ||
990 | nla_nest_end(msg, nl_combis); | |
991 | ||
992 | return 0; | |
993 | nla_put_failure: | |
994 | return -ENOBUFS; | |
995 | } | |
996 | ||
3713b4e3 | 997 | #ifdef CONFIG_PM |
b56cf720 JB |
998 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
999 | struct sk_buff *msg) | |
1000 | { | |
964dc9e2 | 1001 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1002 | struct nlattr *nl_tcp; |
1003 | ||
1004 | if (!tcp) | |
1005 | return 0; | |
1006 | ||
1007 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1008 | if (!nl_tcp) | |
1009 | return -ENOBUFS; | |
1010 | ||
1011 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1012 | tcp->data_payload_max)) | |
1013 | return -ENOBUFS; | |
1014 | ||
1015 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1016 | tcp->data_payload_max)) | |
1017 | return -ENOBUFS; | |
1018 | ||
1019 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1020 | return -ENOBUFS; | |
1021 | ||
1022 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1023 | sizeof(*tcp->tok), tcp->tok)) | |
1024 | return -ENOBUFS; | |
1025 | ||
1026 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1027 | tcp->data_interval_max)) | |
1028 | return -ENOBUFS; | |
1029 | ||
1030 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1031 | tcp->wake_payload_max)) | |
1032 | return -ENOBUFS; | |
1033 | ||
1034 | nla_nest_end(msg, nl_tcp); | |
1035 | return 0; | |
1036 | } | |
1037 | ||
3713b4e3 | 1038 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1039 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1040 | bool large) |
55682965 | 1041 | { |
3713b4e3 | 1042 | struct nlattr *nl_wowlan; |
55682965 | 1043 | |
1b8ec87a | 1044 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1045 | return 0; |
55682965 | 1046 | |
3713b4e3 JB |
1047 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1048 | if (!nl_wowlan) | |
1049 | return -ENOBUFS; | |
9360ffd1 | 1050 | |
1b8ec87a | 1051 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1052 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1053 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1054 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1055 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1056 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1057 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1058 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1059 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1060 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1061 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1062 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1063 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1064 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1065 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1066 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1067 | return -ENOBUFS; | |
9360ffd1 | 1068 | |
1b8ec87a | 1069 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1070 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1071 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1072 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1073 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1074 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1075 | }; |
9360ffd1 | 1076 | |
3713b4e3 JB |
1077 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1078 | sizeof(pat), &pat)) | |
1079 | return -ENOBUFS; | |
1080 | } | |
9360ffd1 | 1081 | |
1b8ec87a | 1082 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1083 | return -ENOBUFS; |
1084 | ||
3713b4e3 | 1085 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1086 | |
3713b4e3 JB |
1087 | return 0; |
1088 | } | |
1089 | #endif | |
9360ffd1 | 1090 | |
be29b99a | 1091 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1092 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1093 | { |
1094 | struct nl80211_coalesce_rule_support rule; | |
1095 | ||
1b8ec87a | 1096 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1097 | return 0; |
1098 | ||
1b8ec87a ZG |
1099 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1100 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1101 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1102 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1103 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1104 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1105 | |
1106 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1107 | return -ENOBUFS; | |
1108 | ||
1109 | return 0; | |
1110 | } | |
1111 | ||
3713b4e3 JB |
1112 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1113 | struct ieee80211_supported_band *sband) | |
1114 | { | |
1115 | struct nlattr *nl_rates, *nl_rate; | |
1116 | struct ieee80211_rate *rate; | |
1117 | int i; | |
87bbbe22 | 1118 | |
3713b4e3 JB |
1119 | /* add HT info */ |
1120 | if (sband->ht_cap.ht_supported && | |
1121 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1122 | sizeof(sband->ht_cap.mcs), | |
1123 | &sband->ht_cap.mcs) || | |
1124 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1125 | sband->ht_cap.cap) || | |
1126 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1127 | sband->ht_cap.ampdu_factor) || | |
1128 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1129 | sband->ht_cap.ampdu_density))) | |
1130 | return -ENOBUFS; | |
afe0cbf8 | 1131 | |
3713b4e3 JB |
1132 | /* add VHT info */ |
1133 | if (sband->vht_cap.vht_supported && | |
1134 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1135 | sizeof(sband->vht_cap.vht_mcs), | |
1136 | &sband->vht_cap.vht_mcs) || | |
1137 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1138 | sband->vht_cap.cap))) | |
1139 | return -ENOBUFS; | |
f59ac048 | 1140 | |
3713b4e3 JB |
1141 | /* add bitrates */ |
1142 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1143 | if (!nl_rates) | |
1144 | return -ENOBUFS; | |
ee688b00 | 1145 | |
3713b4e3 JB |
1146 | for (i = 0; i < sband->n_bitrates; i++) { |
1147 | nl_rate = nla_nest_start(msg, i); | |
1148 | if (!nl_rate) | |
1149 | return -ENOBUFS; | |
ee688b00 | 1150 | |
3713b4e3 JB |
1151 | rate = &sband->bitrates[i]; |
1152 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1153 | rate->bitrate)) | |
1154 | return -ENOBUFS; | |
1155 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1156 | nla_put_flag(msg, | |
1157 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1158 | return -ENOBUFS; | |
ee688b00 | 1159 | |
3713b4e3 JB |
1160 | nla_nest_end(msg, nl_rate); |
1161 | } | |
d51626df | 1162 | |
3713b4e3 | 1163 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1164 | |
3713b4e3 JB |
1165 | return 0; |
1166 | } | |
ee688b00 | 1167 | |
3713b4e3 JB |
1168 | static int |
1169 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1170 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1171 | { | |
1172 | u16 stypes; | |
1173 | struct nlattr *nl_ftypes, *nl_ifs; | |
1174 | enum nl80211_iftype ift; | |
1175 | int i; | |
ee688b00 | 1176 | |
3713b4e3 JB |
1177 | if (!mgmt_stypes) |
1178 | return 0; | |
5dab3b8a | 1179 | |
3713b4e3 JB |
1180 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1181 | if (!nl_ifs) | |
1182 | return -ENOBUFS; | |
e2f367f2 | 1183 | |
3713b4e3 JB |
1184 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1185 | nl_ftypes = nla_nest_start(msg, ift); | |
1186 | if (!nl_ftypes) | |
1187 | return -ENOBUFS; | |
1188 | i = 0; | |
1189 | stypes = mgmt_stypes[ift].tx; | |
1190 | while (stypes) { | |
1191 | if ((stypes & 1) && | |
1192 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1193 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1194 | return -ENOBUFS; | |
1195 | stypes >>= 1; | |
1196 | i++; | |
ee688b00 | 1197 | } |
3713b4e3 JB |
1198 | nla_nest_end(msg, nl_ftypes); |
1199 | } | |
ee688b00 | 1200 | |
3713b4e3 | 1201 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1202 | |
3713b4e3 JB |
1203 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1204 | if (!nl_ifs) | |
1205 | return -ENOBUFS; | |
ee688b00 | 1206 | |
3713b4e3 JB |
1207 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1208 | nl_ftypes = nla_nest_start(msg, ift); | |
1209 | if (!nl_ftypes) | |
1210 | return -ENOBUFS; | |
1211 | i = 0; | |
1212 | stypes = mgmt_stypes[ift].rx; | |
1213 | while (stypes) { | |
1214 | if ((stypes & 1) && | |
1215 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1216 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1217 | return -ENOBUFS; | |
1218 | stypes >>= 1; | |
1219 | i++; | |
1220 | } | |
1221 | nla_nest_end(msg, nl_ftypes); | |
1222 | } | |
1223 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1224 | |
3713b4e3 JB |
1225 | return 0; |
1226 | } | |
ee688b00 | 1227 | |
86e8cf98 JB |
1228 | struct nl80211_dump_wiphy_state { |
1229 | s64 filter_wiphy; | |
1230 | long start; | |
1231 | long split_start, band_start, chan_start; | |
1232 | bool split; | |
1233 | }; | |
1234 | ||
1b8ec87a | 1235 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1236 | enum nl80211_commands cmd, |
3713b4e3 | 1237 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1238 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1239 | { |
1240 | void *hdr; | |
1241 | struct nlattr *nl_bands, *nl_band; | |
1242 | struct nlattr *nl_freqs, *nl_freq; | |
1243 | struct nlattr *nl_cmds; | |
1244 | enum ieee80211_band band; | |
1245 | struct ieee80211_channel *chan; | |
1246 | int i; | |
1247 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1248 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1249 | u32 features; |
ee688b00 | 1250 | |
3bb20556 | 1251 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1252 | if (!hdr) |
1253 | return -ENOBUFS; | |
ee688b00 | 1254 | |
86e8cf98 JB |
1255 | if (WARN_ON(!state)) |
1256 | return -EINVAL; | |
ee688b00 | 1257 | |
1b8ec87a | 1258 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1259 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1260 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1261 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1262 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1263 | goto nla_put_failure; |
1264 | ||
3bb20556 JB |
1265 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1266 | goto finish; | |
1267 | ||
86e8cf98 | 1268 | switch (state->split_start) { |
3713b4e3 JB |
1269 | case 0: |
1270 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1271 | rdev->wiphy.retry_short) || |
3713b4e3 | 1272 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1273 | rdev->wiphy.retry_long) || |
3713b4e3 | 1274 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1275 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1276 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1277 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1278 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1279 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1280 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1281 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1282 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1283 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1284 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1285 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1286 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1287 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1288 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
1b8ec87a | 1289 | rdev->wiphy.max_match_sets)) |
9360ffd1 | 1290 | goto nla_put_failure; |
3713b4e3 | 1291 | |
1b8ec87a | 1292 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1293 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1294 | goto nla_put_failure; |
1b8ec87a | 1295 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1296 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1297 | goto nla_put_failure; | |
1b8ec87a | 1298 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1299 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1300 | goto nla_put_failure; | |
1b8ec87a | 1301 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1302 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1303 | goto nla_put_failure; | |
1b8ec87a | 1304 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1305 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1306 | goto nla_put_failure; | |
1b8ec87a | 1307 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1308 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1309 | goto nla_put_failure; |
86e8cf98 JB |
1310 | state->split_start++; |
1311 | if (state->split) | |
3713b4e3 JB |
1312 | break; |
1313 | case 1: | |
1314 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1315 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1316 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1317 | goto nla_put_failure; |
4745fc09 | 1318 | |
3713b4e3 | 1319 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1320 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1321 | goto nla_put_failure; |
b23aa676 | 1322 | |
1b8ec87a | 1323 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1324 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1325 | goto nla_put_failure; |
b23aa676 | 1326 | |
3713b4e3 | 1327 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1328 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1329 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1330 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1331 | goto nla_put_failure; |
b23aa676 | 1332 | |
1b8ec87a | 1333 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1334 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1335 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1336 | goto nla_put_failure; |
8fdc621d | 1337 | |
1b8ec87a ZG |
1338 | if ((rdev->wiphy.available_antennas_tx || |
1339 | rdev->wiphy.available_antennas_rx) && | |
1340 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1341 | u32 tx_ant = 0, rx_ant = 0; |
1342 | int res; | |
1b8ec87a | 1343 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1344 | if (!res) { |
1345 | if (nla_put_u32(msg, | |
1346 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1347 | tx_ant) || | |
1348 | nla_put_u32(msg, | |
1349 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1350 | rx_ant)) | |
1351 | goto nla_put_failure; | |
1352 | } | |
1353 | } | |
a293911d | 1354 | |
86e8cf98 JB |
1355 | state->split_start++; |
1356 | if (state->split) | |
3713b4e3 JB |
1357 | break; |
1358 | case 2: | |
1359 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1360 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1361 | goto nla_put_failure; |
86e8cf98 JB |
1362 | state->split_start++; |
1363 | if (state->split) | |
3713b4e3 JB |
1364 | break; |
1365 | case 3: | |
1366 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1367 | if (!nl_bands) | |
1368 | goto nla_put_failure; | |
f7ca38df | 1369 | |
86e8cf98 JB |
1370 | for (band = state->band_start; |
1371 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1372 | struct ieee80211_supported_band *sband; |
2e161f78 | 1373 | |
1b8ec87a | 1374 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1375 | |
3713b4e3 JB |
1376 | if (!sband) |
1377 | continue; | |
1378 | ||
1379 | nl_band = nla_nest_start(msg, band); | |
1380 | if (!nl_band) | |
2e161f78 | 1381 | goto nla_put_failure; |
3713b4e3 | 1382 | |
86e8cf98 | 1383 | switch (state->chan_start) { |
3713b4e3 JB |
1384 | case 0: |
1385 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1386 | goto nla_put_failure; |
86e8cf98 JB |
1387 | state->chan_start++; |
1388 | if (state->split) | |
3713b4e3 JB |
1389 | break; |
1390 | default: | |
1391 | /* add frequencies */ | |
1392 | nl_freqs = nla_nest_start( | |
1393 | msg, NL80211_BAND_ATTR_FREQS); | |
1394 | if (!nl_freqs) | |
1395 | goto nla_put_failure; | |
1396 | ||
86e8cf98 | 1397 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1398 | i < sband->n_channels; |
1399 | i++) { | |
1400 | nl_freq = nla_nest_start(msg, i); | |
1401 | if (!nl_freq) | |
1402 | goto nla_put_failure; | |
1403 | ||
1404 | chan = &sband->channels[i]; | |
1405 | ||
86e8cf98 JB |
1406 | if (nl80211_msg_put_channel( |
1407 | msg, chan, | |
1408 | state->split)) | |
3713b4e3 JB |
1409 | goto nla_put_failure; |
1410 | ||
1411 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1412 | if (state->split) |
3713b4e3 JB |
1413 | break; |
1414 | } | |
1415 | if (i < sband->n_channels) | |
86e8cf98 | 1416 | state->chan_start = i + 2; |
3713b4e3 | 1417 | else |
86e8cf98 | 1418 | state->chan_start = 0; |
3713b4e3 JB |
1419 | nla_nest_end(msg, nl_freqs); |
1420 | } | |
1421 | ||
1422 | nla_nest_end(msg, nl_band); | |
1423 | ||
86e8cf98 | 1424 | if (state->split) { |
3713b4e3 | 1425 | /* start again here */ |
86e8cf98 | 1426 | if (state->chan_start) |
3713b4e3 JB |
1427 | band--; |
1428 | break; | |
2e161f78 | 1429 | } |
2e161f78 | 1430 | } |
3713b4e3 | 1431 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1432 | |
3713b4e3 | 1433 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1434 | state->band_start = band + 1; |
3713b4e3 | 1435 | else |
86e8cf98 | 1436 | state->band_start = 0; |
74b70a4e | 1437 | |
3713b4e3 | 1438 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1439 | if (state->band_start == 0 && state->chan_start == 0) |
1440 | state->split_start++; | |
1441 | if (state->split) | |
3713b4e3 JB |
1442 | break; |
1443 | case 4: | |
1444 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1445 | if (!nl_cmds) | |
2e161f78 JB |
1446 | goto nla_put_failure; |
1447 | ||
3713b4e3 JB |
1448 | i = 0; |
1449 | #define CMD(op, n) \ | |
1450 | do { \ | |
1b8ec87a | 1451 | if (rdev->ops->op) { \ |
3713b4e3 JB |
1452 | i++; \ |
1453 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1454 | goto nla_put_failure; \ | |
1455 | } \ | |
1456 | } while (0) | |
1457 | ||
1458 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1459 | CMD(change_virtual_intf, SET_INTERFACE); | |
1460 | CMD(add_key, NEW_KEY); | |
1461 | CMD(start_ap, START_AP); | |
1462 | CMD(add_station, NEW_STATION); | |
1463 | CMD(add_mpath, NEW_MPATH); | |
1464 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1465 | CMD(change_bss, SET_BSS); | |
1466 | CMD(auth, AUTHENTICATE); | |
1467 | CMD(assoc, ASSOCIATE); | |
1468 | CMD(deauth, DEAUTHENTICATE); | |
1469 | CMD(disassoc, DISASSOCIATE); | |
1470 | CMD(join_ibss, JOIN_IBSS); | |
1471 | CMD(join_mesh, JOIN_MESH); | |
1472 | CMD(set_pmksa, SET_PMKSA); | |
1473 | CMD(del_pmksa, DEL_PMKSA); | |
1474 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1b8ec87a | 1475 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
3713b4e3 JB |
1476 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
1477 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1478 | CMD(mgmt_tx, FRAME); | |
1479 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1b8ec87a | 1480 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
3713b4e3 JB |
1481 | i++; |
1482 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1483 | goto nla_put_failure; |
2e161f78 | 1484 | } |
1b8ec87a ZG |
1485 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || |
1486 | rdev->ops->join_mesh) { | |
3713b4e3 JB |
1487 | i++; |
1488 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1489 | goto nla_put_failure; | |
1490 | } | |
1491 | CMD(set_wds_peer, SET_WDS_PEER); | |
1b8ec87a | 1492 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
3713b4e3 JB |
1493 | CMD(tdls_mgmt, TDLS_MGMT); |
1494 | CMD(tdls_oper, TDLS_OPER); | |
1495 | } | |
1b8ec87a | 1496 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
3713b4e3 JB |
1497 | CMD(sched_scan_start, START_SCHED_SCAN); |
1498 | CMD(probe_client, PROBE_CLIENT); | |
1499 | CMD(set_noack_map, SET_NOACK_MAP); | |
1b8ec87a | 1500 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
3713b4e3 JB |
1501 | i++; |
1502 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1503 | goto nla_put_failure; | |
1504 | } | |
1505 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1506 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
02df00eb JB |
1507 | #ifdef CONFIG_NL80211_TESTMODE |
1508 | CMD(testmode_cmd, TESTMODE); | |
1509 | #endif | |
86e8cf98 | 1510 | if (state->split) { |
5de17984 AS |
1511 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1512 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1513 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1514 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1515 | CMD(set_qos_map, SET_QOS_MAP); |
960d01ac JB |
1516 | if (rdev->wiphy.flags & |
1517 | WIPHY_FLAG_SUPPORTS_WMM_ADMISSION) | |
1518 | CMD(add_tx_ts, ADD_TX_TS); | |
5de17984 | 1519 | } |
02df00eb | 1520 | /* add into the if now */ |
3713b4e3 | 1521 | #undef CMD |
ff1b6e69 | 1522 | |
1b8ec87a | 1523 | if (rdev->ops->connect || rdev->ops->auth) { |
3713b4e3 JB |
1524 | i++; |
1525 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1526 | goto nla_put_failure; |
ff1b6e69 JB |
1527 | } |
1528 | ||
1b8ec87a | 1529 | if (rdev->ops->disconnect || rdev->ops->deauth) { |
3713b4e3 JB |
1530 | i++; |
1531 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1532 | goto nla_put_failure; | |
1533 | } | |
1534 | ||
1535 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1536 | state->split_start++; |
1537 | if (state->split) | |
3713b4e3 JB |
1538 | break; |
1539 | case 5: | |
1b8ec87a ZG |
1540 | if (rdev->ops->remain_on_channel && |
1541 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1542 | nla_put_u32(msg, |
1543 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1544 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1545 | goto nla_put_failure; |
1546 | ||
1b8ec87a | 1547 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1548 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1549 | goto nla_put_failure; | |
1550 | ||
1551 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1552 | goto nla_put_failure; | |
86e8cf98 JB |
1553 | state->split_start++; |
1554 | if (state->split) | |
3713b4e3 JB |
1555 | break; |
1556 | case 6: | |
1557 | #ifdef CONFIG_PM | |
1b8ec87a | 1558 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1559 | goto nla_put_failure; |
86e8cf98 JB |
1560 | state->split_start++; |
1561 | if (state->split) | |
3713b4e3 JB |
1562 | break; |
1563 | #else | |
86e8cf98 | 1564 | state->split_start++; |
dfb89c56 | 1565 | #endif |
3713b4e3 JB |
1566 | case 7: |
1567 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1568 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1569 | goto nla_put_failure; |
ff1b6e69 | 1570 | |
1b8ec87a | 1571 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1572 | state->split)) |
3713b4e3 | 1573 | goto nla_put_failure; |
7527a782 | 1574 | |
86e8cf98 JB |
1575 | state->split_start++; |
1576 | if (state->split) | |
3713b4e3 JB |
1577 | break; |
1578 | case 8: | |
1b8ec87a | 1579 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1580 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1581 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1582 | goto nla_put_failure; |
7527a782 | 1583 | |
1b8ec87a | 1584 | features = rdev->wiphy.features; |
fe1abafd JB |
1585 | /* |
1586 | * We can only add the per-channel limit information if the | |
1587 | * dump is split, otherwise it makes it too big. Therefore | |
1588 | * only advertise it in that case. | |
1589 | */ | |
86e8cf98 | 1590 | if (state->split) |
fe1abafd JB |
1591 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1592 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1593 | goto nla_put_failure; |
562a7480 | 1594 | |
1b8ec87a | 1595 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1596 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1597 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1598 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1599 | goto nla_put_failure; |
1f074bd8 | 1600 | |
1b8ec87a ZG |
1601 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1602 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1603 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1604 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1605 | goto nla_put_failure; |
7e7c8926 | 1606 | |
3713b4e3 JB |
1607 | /* |
1608 | * Any information below this point is only available to | |
1609 | * applications that can deal with it being split. This | |
1610 | * helps ensure that newly added capabilities don't break | |
1611 | * older tools by overrunning their buffers. | |
1612 | * | |
1613 | * We still increment split_start so that in the split | |
1614 | * case we'll continue with more data in the next round, | |
1615 | * but break unconditionally so unsplit data stops here. | |
1616 | */ | |
86e8cf98 | 1617 | state->split_start++; |
3713b4e3 JB |
1618 | break; |
1619 | case 9: | |
1b8ec87a | 1620 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1621 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1622 | rdev->wiphy.extended_capabilities_len, |
1623 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1624 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1625 | rdev->wiphy.extended_capabilities_len, |
1626 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1627 | goto nla_put_failure; |
a50df0c4 | 1628 | |
1b8ec87a | 1629 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1630 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1631 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1632 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1633 | goto nla_put_failure; |
1634 | ||
be29b99a AK |
1635 | state->split_start++; |
1636 | break; | |
1637 | case 10: | |
1b8ec87a | 1638 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1639 | goto nla_put_failure; |
1640 | ||
1b8ec87a | 1641 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1642 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1643 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1644 | goto nla_put_failure; | |
b43504cf | 1645 | |
1b8ec87a | 1646 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1647 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1648 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1649 | goto nla_put_failure; |
1650 | ||
ad7e718c JB |
1651 | state->split_start++; |
1652 | break; | |
1653 | case 11: | |
1b8ec87a | 1654 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1655 | const struct nl80211_vendor_cmd_info *info; |
1656 | struct nlattr *nested; | |
1657 | ||
1658 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1659 | if (!nested) | |
1660 | goto nla_put_failure; | |
1661 | ||
1b8ec87a ZG |
1662 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1663 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1664 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1665 | goto nla_put_failure; | |
1666 | } | |
1667 | nla_nest_end(msg, nested); | |
1668 | } | |
1669 | ||
1b8ec87a | 1670 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1671 | const struct nl80211_vendor_cmd_info *info; |
1672 | struct nlattr *nested; | |
ad7e718c | 1673 | |
567ffc35 JB |
1674 | nested = nla_nest_start(msg, |
1675 | NL80211_ATTR_VENDOR_EVENTS); | |
1676 | if (!nested) | |
ad7e718c | 1677 | goto nla_put_failure; |
567ffc35 | 1678 | |
1b8ec87a ZG |
1679 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1680 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1681 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1682 | goto nla_put_failure; | |
1683 | } | |
1684 | nla_nest_end(msg, nested); | |
1685 | } | |
9a774c78 AO |
1686 | state->split_start++; |
1687 | break; | |
1688 | case 12: | |
1689 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1690 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1691 | rdev->wiphy.max_num_csa_counters)) | |
1692 | goto nla_put_failure; | |
01e0daa4 | 1693 | |
3713b4e3 | 1694 | /* done */ |
86e8cf98 | 1695 | state->split_start = 0; |
3713b4e3 JB |
1696 | break; |
1697 | } | |
3bb20556 | 1698 | finish: |
55682965 JB |
1699 | return genlmsg_end(msg, hdr); |
1700 | ||
1701 | nla_put_failure: | |
bc3ed28c TG |
1702 | genlmsg_cancel(msg, hdr); |
1703 | return -EMSGSIZE; | |
55682965 JB |
1704 | } |
1705 | ||
86e8cf98 JB |
1706 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1707 | struct netlink_callback *cb, | |
1708 | struct nl80211_dump_wiphy_state *state) | |
1709 | { | |
1710 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1711 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1712 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1713 | /* ignore parse errors for backward compatibility */ | |
1714 | if (ret) | |
1715 | return 0; | |
1716 | ||
1717 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1718 | if (tb[NL80211_ATTR_WIPHY]) | |
1719 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1720 | if (tb[NL80211_ATTR_WDEV]) | |
1721 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1722 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1723 | struct net_device *netdev; | |
1724 | struct cfg80211_registered_device *rdev; | |
1725 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1726 | ||
7f2b8562 | 1727 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1728 | if (!netdev) |
1729 | return -ENODEV; | |
1730 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1731 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1732 | netdev->ieee80211_ptr->wiphy); |
1733 | state->filter_wiphy = rdev->wiphy_idx; | |
1734 | } | |
86e8cf98 JB |
1735 | } |
1736 | ||
1737 | return 0; | |
1738 | } | |
1739 | ||
55682965 JB |
1740 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1741 | { | |
645e77de | 1742 | int idx = 0, ret; |
86e8cf98 | 1743 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1744 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1745 | |
5fe231e8 | 1746 | rtnl_lock(); |
86e8cf98 JB |
1747 | if (!state) { |
1748 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1749 | if (!state) { |
1750 | rtnl_unlock(); | |
86e8cf98 | 1751 | return -ENOMEM; |
3713b4e3 | 1752 | } |
86e8cf98 JB |
1753 | state->filter_wiphy = -1; |
1754 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1755 | if (ret) { | |
1756 | kfree(state); | |
1757 | rtnl_unlock(); | |
1758 | return ret; | |
3713b4e3 | 1759 | } |
86e8cf98 | 1760 | cb->args[0] = (long)state; |
3713b4e3 JB |
1761 | } |
1762 | ||
1b8ec87a ZG |
1763 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1764 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1765 | continue; |
86e8cf98 | 1766 | if (++idx <= state->start) |
55682965 | 1767 | continue; |
86e8cf98 | 1768 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1769 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1770 | continue; |
1771 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1772 | do { | |
3bb20556 JB |
1773 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1774 | skb, | |
3713b4e3 JB |
1775 | NETLINK_CB(cb->skb).portid, |
1776 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1777 | NLM_F_MULTI, state); |
3713b4e3 JB |
1778 | if (ret < 0) { |
1779 | /* | |
1780 | * If sending the wiphy data didn't fit (ENOBUFS | |
1781 | * or EMSGSIZE returned), this SKB is still | |
1782 | * empty (so it's not too big because another | |
1783 | * wiphy dataset is already in the skb) and | |
1784 | * we've not tried to adjust the dump allocation | |
1785 | * yet ... then adjust the alloc size to be | |
1786 | * bigger, and return 1 but with the empty skb. | |
1787 | * This results in an empty message being RX'ed | |
1788 | * in userspace, but that is ignored. | |
1789 | * | |
1790 | * We can then retry with the larger buffer. | |
1791 | */ | |
1792 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1793 | !skb->len && !state->split && |
3713b4e3 JB |
1794 | cb->min_dump_alloc < 4096) { |
1795 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1796 | state->split_start = 0; |
d98cae64 | 1797 | rtnl_unlock(); |
3713b4e3 JB |
1798 | return 1; |
1799 | } | |
1800 | idx--; | |
1801 | break; | |
645e77de | 1802 | } |
86e8cf98 | 1803 | } while (state->split_start > 0); |
3713b4e3 | 1804 | break; |
55682965 | 1805 | } |
5fe231e8 | 1806 | rtnl_unlock(); |
55682965 | 1807 | |
86e8cf98 | 1808 | state->start = idx; |
55682965 JB |
1809 | |
1810 | return skb->len; | |
1811 | } | |
1812 | ||
86e8cf98 JB |
1813 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1814 | { | |
1815 | kfree((void *)cb->args[0]); | |
1816 | return 0; | |
1817 | } | |
1818 | ||
55682965 JB |
1819 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1820 | { | |
1821 | struct sk_buff *msg; | |
1b8ec87a | 1822 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 1823 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1824 | |
645e77de | 1825 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1826 | if (!msg) |
4c476991 | 1827 | return -ENOMEM; |
55682965 | 1828 | |
3bb20556 JB |
1829 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
1830 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 1831 | &state) < 0) { |
4c476991 JB |
1832 | nlmsg_free(msg); |
1833 | return -ENOBUFS; | |
1834 | } | |
55682965 | 1835 | |
134e6375 | 1836 | return genlmsg_reply(msg, info); |
55682965 JB |
1837 | } |
1838 | ||
31888487 JM |
1839 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1840 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1841 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1842 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1843 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1844 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1845 | }; | |
1846 | ||
1847 | static int parse_txq_params(struct nlattr *tb[], | |
1848 | struct ieee80211_txq_params *txq_params) | |
1849 | { | |
a3304b0a | 1850 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1851 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1852 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1853 | return -EINVAL; | |
1854 | ||
a3304b0a | 1855 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1856 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1857 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1858 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1859 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1860 | ||
a3304b0a JB |
1861 | if (txq_params->ac >= NL80211_NUM_ACS) |
1862 | return -EINVAL; | |
1863 | ||
31888487 JM |
1864 | return 0; |
1865 | } | |
1866 | ||
f444de05 JB |
1867 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1868 | { | |
1869 | /* | |
cc1d2806 JB |
1870 | * You can only set the channel explicitly for WDS interfaces, |
1871 | * all others have their channel managed via their respective | |
1872 | * "establish a connection" command (connect, join, ...) | |
1873 | * | |
1874 | * For AP/GO and mesh mode, the channel can be set with the | |
1875 | * channel userspace API, but is only stored and passed to the | |
1876 | * low-level driver when the AP starts or the mesh is joined. | |
1877 | * This is for backward compatibility, userspace can also give | |
1878 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1879 | * |
1880 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1881 | * whatever else is going on, so they have their own special |
1882 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1883 | */ |
1884 | return !wdev || | |
1885 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1886 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1887 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1888 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1889 | } |
1890 | ||
683b6d3b JB |
1891 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1892 | struct genl_info *info, | |
1893 | struct cfg80211_chan_def *chandef) | |
1894 | { | |
dbeca2ea | 1895 | u32 control_freq; |
683b6d3b JB |
1896 | |
1897 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1898 | return -EINVAL; | |
1899 | ||
1900 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1901 | ||
1902 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1903 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1904 | chandef->center_freq1 = control_freq; | |
1905 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1906 | |
1907 | /* Primary channel not allowed */ | |
1908 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1909 | return -EINVAL; | |
1910 | ||
3d9d1d66 JB |
1911 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1912 | enum nl80211_channel_type chantype; | |
1913 | ||
1914 | chantype = nla_get_u32( | |
1915 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1916 | ||
1917 | switch (chantype) { | |
1918 | case NL80211_CHAN_NO_HT: | |
1919 | case NL80211_CHAN_HT20: | |
1920 | case NL80211_CHAN_HT40PLUS: | |
1921 | case NL80211_CHAN_HT40MINUS: | |
1922 | cfg80211_chandef_create(chandef, chandef->chan, | |
1923 | chantype); | |
1924 | break; | |
1925 | default: | |
1926 | return -EINVAL; | |
1927 | } | |
1928 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1929 | chandef->width = | |
1930 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1931 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1932 | chandef->center_freq1 = | |
1933 | nla_get_u32( | |
1934 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1935 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1936 | chandef->center_freq2 = | |
1937 | nla_get_u32( | |
1938 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1939 | } | |
1940 | ||
9f5e8f6e | 1941 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1942 | return -EINVAL; |
1943 | ||
9f5e8f6e JB |
1944 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1945 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1946 | return -EINVAL; |
1947 | ||
2f301ab2 SW |
1948 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1949 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1950 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1951 | return -EINVAL; | |
1952 | ||
683b6d3b JB |
1953 | return 0; |
1954 | } | |
1955 | ||
f444de05 | 1956 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 1957 | struct net_device *dev, |
f444de05 JB |
1958 | struct genl_info *info) |
1959 | { | |
683b6d3b | 1960 | struct cfg80211_chan_def chandef; |
f444de05 | 1961 | int result; |
e8c9bd5b | 1962 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 1963 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 1964 | |
e16821bc JM |
1965 | if (dev) |
1966 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
1967 | if (!nl80211_can_set_dev_channel(wdev)) |
1968 | return -EOPNOTSUPP; | |
e16821bc JM |
1969 | if (wdev) |
1970 | iftype = wdev->iftype; | |
f444de05 | 1971 | |
683b6d3b JB |
1972 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1973 | if (result) | |
1974 | return result; | |
f444de05 | 1975 | |
e8c9bd5b | 1976 | switch (iftype) { |
aa430da4 JB |
1977 | case NL80211_IFTYPE_AP: |
1978 | case NL80211_IFTYPE_P2P_GO: | |
174e0cd2 | 1979 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, iftype)) { |
aa430da4 JB |
1980 | result = -EINVAL; |
1981 | break; | |
1982 | } | |
e16821bc JM |
1983 | if (wdev->beacon_interval) { |
1984 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
1985 | !(rdev->wiphy.features & | |
1986 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
1987 | result = -EBUSY; | |
1988 | break; | |
1989 | } | |
1990 | ||
1991 | /* Only allow dynamic channel width changes */ | |
1992 | if (chandef.chan != wdev->preset_chandef.chan) { | |
1993 | result = -EBUSY; | |
1994 | break; | |
1995 | } | |
1996 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
1997 | if (result) | |
1998 | break; | |
1999 | } | |
683b6d3b | 2000 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2001 | result = 0; |
2002 | break; | |
cc1d2806 | 2003 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2004 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2005 | break; |
e8c9bd5b | 2006 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2007 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2008 | break; |
aa430da4 | 2009 | default: |
e8c9bd5b | 2010 | result = -EINVAL; |
f444de05 | 2011 | } |
f444de05 JB |
2012 | |
2013 | return result; | |
2014 | } | |
2015 | ||
2016 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2017 | { | |
4c476991 JB |
2018 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2019 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2020 | |
e16821bc | 2021 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2022 | } |
2023 | ||
e8347eba BJ |
2024 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2025 | { | |
43b19952 JB |
2026 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2027 | struct net_device *dev = info->user_ptr[1]; | |
2028 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2029 | const u8 *bssid; |
e8347eba BJ |
2030 | |
2031 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2032 | return -EINVAL; | |
2033 | ||
43b19952 JB |
2034 | if (netif_running(dev)) |
2035 | return -EBUSY; | |
e8347eba | 2036 | |
43b19952 JB |
2037 | if (!rdev->ops->set_wds_peer) |
2038 | return -EOPNOTSUPP; | |
e8347eba | 2039 | |
43b19952 JB |
2040 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2041 | return -EOPNOTSUPP; | |
e8347eba BJ |
2042 | |
2043 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2044 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2045 | } |
2046 | ||
2047 | ||
55682965 JB |
2048 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2049 | { | |
2050 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2051 | struct net_device *netdev = NULL; |
2052 | struct wireless_dev *wdev; | |
a1e567c8 | 2053 | int result = 0, rem_txq_params = 0; |
31888487 | 2054 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2055 | u32 changed; |
2056 | u8 retry_short = 0, retry_long = 0; | |
2057 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2058 | u8 coverage_class = 0; |
55682965 | 2059 | |
5fe231e8 JB |
2060 | ASSERT_RTNL(); |
2061 | ||
f444de05 JB |
2062 | /* |
2063 | * Try to find the wiphy and netdev. Normally this | |
2064 | * function shouldn't need the netdev, but this is | |
2065 | * done for backward compatibility -- previously | |
2066 | * setting the channel was done per wiphy, but now | |
2067 | * it is per netdev. Previous userland like hostapd | |
2068 | * also passed a netdev to set_wiphy, so that it is | |
2069 | * possible to let that go to the right netdev! | |
2070 | */ | |
4bbf4d56 | 2071 | |
f444de05 JB |
2072 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2073 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2074 | ||
7f2b8562 | 2075 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2076 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2077 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2078 | else |
f444de05 | 2079 | netdev = NULL; |
4bbf4d56 JB |
2080 | } |
2081 | ||
f444de05 | 2082 | if (!netdev) { |
878d9ec7 JB |
2083 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2084 | info->attrs); | |
5fe231e8 | 2085 | if (IS_ERR(rdev)) |
4c476991 | 2086 | return PTR_ERR(rdev); |
f444de05 JB |
2087 | wdev = NULL; |
2088 | netdev = NULL; | |
2089 | result = 0; | |
71fe96bf | 2090 | } else |
f444de05 | 2091 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2092 | |
2093 | /* | |
2094 | * end workaround code, by now the rdev is available | |
2095 | * and locked, and wdev may or may not be NULL. | |
2096 | */ | |
4bbf4d56 JB |
2097 | |
2098 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2099 | result = cfg80211_dev_rename( |
2100 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2101 | |
4bbf4d56 | 2102 | if (result) |
7f2b8562 | 2103 | return result; |
31888487 JM |
2104 | |
2105 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2106 | struct ieee80211_txq_params txq_params; | |
2107 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2108 | ||
7f2b8562 YX |
2109 | if (!rdev->ops->set_txq_params) |
2110 | return -EOPNOTSUPP; | |
31888487 | 2111 | |
7f2b8562 YX |
2112 | if (!netdev) |
2113 | return -EINVAL; | |
f70f01c2 | 2114 | |
133a3ff2 | 2115 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2116 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2117 | return -EINVAL; | |
133a3ff2 | 2118 | |
7f2b8562 YX |
2119 | if (!netif_running(netdev)) |
2120 | return -ENETDOWN; | |
2b5f8b0b | 2121 | |
31888487 JM |
2122 | nla_for_each_nested(nl_txq_params, |
2123 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2124 | rem_txq_params) { | |
ae811e21 JB |
2125 | result = nla_parse(tb, NL80211_TXQ_ATTR_MAX, |
2126 | nla_data(nl_txq_params), | |
2127 | nla_len(nl_txq_params), | |
2128 | txq_params_policy); | |
2129 | if (result) | |
2130 | return result; | |
31888487 JM |
2131 | result = parse_txq_params(tb, &txq_params); |
2132 | if (result) | |
7f2b8562 | 2133 | return result; |
31888487 | 2134 | |
e35e4d28 HG |
2135 | result = rdev_set_txq_params(rdev, netdev, |
2136 | &txq_params); | |
31888487 | 2137 | if (result) |
7f2b8562 | 2138 | return result; |
31888487 JM |
2139 | } |
2140 | } | |
55682965 | 2141 | |
72bdcf34 | 2142 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2143 | result = __nl80211_set_channel( |
2144 | rdev, | |
2145 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2146 | info); | |
72bdcf34 | 2147 | if (result) |
7f2b8562 | 2148 | return result; |
72bdcf34 JM |
2149 | } |
2150 | ||
98d2ff8b | 2151 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2152 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2153 | enum nl80211_tx_power_setting type; |
2154 | int idx, mbm = 0; | |
2155 | ||
c8442118 JB |
2156 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2157 | txp_wdev = NULL; | |
2158 | ||
7f2b8562 YX |
2159 | if (!rdev->ops->set_tx_power) |
2160 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2161 | |
2162 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2163 | type = nla_get_u32(info->attrs[idx]); | |
2164 | ||
2165 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2166 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2167 | return -EINVAL; | |
98d2ff8b JO |
2168 | |
2169 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2170 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2171 | mbm = nla_get_u32(info->attrs[idx]); | |
2172 | } | |
2173 | ||
c8442118 | 2174 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2175 | if (result) |
7f2b8562 | 2176 | return result; |
98d2ff8b JO |
2177 | } |
2178 | ||
afe0cbf8 BR |
2179 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2180 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2181 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2182 | if ((!rdev->wiphy.available_antennas_tx && |
2183 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2184 | !rdev->ops->set_antenna) |
2185 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2186 | |
2187 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2188 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2189 | ||
a7ffac95 | 2190 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2191 | * available antenna masks, except for the "all" mask */ |
2192 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2193 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2194 | return -EINVAL; | |
a7ffac95 | 2195 | |
7f531e03 BR |
2196 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2197 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2198 | |
e35e4d28 | 2199 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2200 | if (result) |
7f2b8562 | 2201 | return result; |
afe0cbf8 BR |
2202 | } |
2203 | ||
b9a5f8ca JM |
2204 | changed = 0; |
2205 | ||
2206 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2207 | retry_short = nla_get_u8( | |
2208 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2209 | if (retry_short == 0) |
2210 | return -EINVAL; | |
2211 | ||
b9a5f8ca JM |
2212 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2213 | } | |
2214 | ||
2215 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2216 | retry_long = nla_get_u8( | |
2217 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2218 | if (retry_long == 0) |
2219 | return -EINVAL; | |
2220 | ||
b9a5f8ca JM |
2221 | changed |= WIPHY_PARAM_RETRY_LONG; |
2222 | } | |
2223 | ||
2224 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2225 | frag_threshold = nla_get_u32( | |
2226 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2227 | if (frag_threshold < 256) |
2228 | return -EINVAL; | |
2229 | ||
b9a5f8ca JM |
2230 | if (frag_threshold != (u32) -1) { |
2231 | /* | |
2232 | * Fragments (apart from the last one) are required to | |
2233 | * have even length. Make the fragmentation code | |
2234 | * simpler by stripping LSB should someone try to use | |
2235 | * odd threshold value. | |
2236 | */ | |
2237 | frag_threshold &= ~0x1; | |
2238 | } | |
2239 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2240 | } | |
2241 | ||
2242 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2243 | rts_threshold = nla_get_u32( | |
2244 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2245 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2246 | } | |
2247 | ||
81077e82 | 2248 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2249 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2250 | return -EINVAL; | |
2251 | ||
81077e82 LT |
2252 | coverage_class = nla_get_u8( |
2253 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2254 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
3057dbfd LB |
2255 | } |
2256 | ||
2257 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { | |
2258 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2259 | return -EOPNOTSUPP; | |
2260 | ||
2261 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2262 | } |
2263 | ||
b9a5f8ca JM |
2264 | if (changed) { |
2265 | u8 old_retry_short, old_retry_long; | |
2266 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2267 | u8 old_coverage_class; |
b9a5f8ca | 2268 | |
7f2b8562 YX |
2269 | if (!rdev->ops->set_wiphy_params) |
2270 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2271 | |
2272 | old_retry_short = rdev->wiphy.retry_short; | |
2273 | old_retry_long = rdev->wiphy.retry_long; | |
2274 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2275 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2276 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2277 | |
2278 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2279 | rdev->wiphy.retry_short = retry_short; | |
2280 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2281 | rdev->wiphy.retry_long = retry_long; | |
2282 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2283 | rdev->wiphy.frag_threshold = frag_threshold; | |
2284 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2285 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2286 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2287 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2288 | |
e35e4d28 | 2289 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2290 | if (result) { |
2291 | rdev->wiphy.retry_short = old_retry_short; | |
2292 | rdev->wiphy.retry_long = old_retry_long; | |
2293 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2294 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2295 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2296 | } |
2297 | } | |
7f2b8562 | 2298 | return 0; |
55682965 JB |
2299 | } |
2300 | ||
71bbc994 JB |
2301 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2302 | { | |
2303 | return (u64)wdev->identifier | | |
f26cbf40 | 2304 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2305 | } |
55682965 | 2306 | |
683b6d3b | 2307 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2308 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2309 | { |
9f5e8f6e | 2310 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2311 | |
683b6d3b JB |
2312 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2313 | chandef->chan->center_freq)) | |
2314 | return -ENOBUFS; | |
3d9d1d66 JB |
2315 | switch (chandef->width) { |
2316 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2317 | case NL80211_CHAN_WIDTH_20: | |
2318 | case NL80211_CHAN_WIDTH_40: | |
2319 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2320 | cfg80211_get_chandef_type(chandef))) | |
2321 | return -ENOBUFS; | |
2322 | break; | |
2323 | default: | |
2324 | break; | |
2325 | } | |
2326 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2327 | return -ENOBUFS; | |
2328 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2329 | return -ENOBUFS; | |
2330 | if (chandef->center_freq2 && | |
2331 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2332 | return -ENOBUFS; |
2333 | return 0; | |
2334 | } | |
2335 | ||
15e47304 | 2336 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2337 | struct cfg80211_registered_device *rdev, |
72fb2abc | 2338 | struct wireless_dev *wdev) |
55682965 | 2339 | { |
72fb2abc | 2340 | struct net_device *dev = wdev->netdev; |
55682965 JB |
2341 | void *hdr; |
2342 | ||
15e47304 | 2343 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
2344 | if (!hdr) |
2345 | return -1; | |
2346 | ||
72fb2abc JB |
2347 | if (dev && |
2348 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2349 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2350 | goto nla_put_failure; |
2351 | ||
2352 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2353 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2354 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2355 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2356 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2357 | rdev->devlist_generation ^ | |
2358 | (cfg80211_rdev_list_generation << 2))) | |
2359 | goto nla_put_failure; | |
f5ea9120 | 2360 | |
5b7ccaf3 | 2361 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2362 | int ret; |
2363 | struct cfg80211_chan_def chandef; | |
2364 | ||
2365 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2366 | if (ret == 0) { | |
2367 | if (nl80211_send_chandef(msg, &chandef)) | |
2368 | goto nla_put_failure; | |
2369 | } | |
d91df0e3 PF |
2370 | } |
2371 | ||
b84e7a05 AQ |
2372 | if (wdev->ssid_len) { |
2373 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2374 | goto nla_put_failure; | |
2375 | } | |
2376 | ||
55682965 JB |
2377 | return genlmsg_end(msg, hdr); |
2378 | ||
2379 | nla_put_failure: | |
bc3ed28c TG |
2380 | genlmsg_cancel(msg, hdr); |
2381 | return -EMSGSIZE; | |
55682965 JB |
2382 | } |
2383 | ||
2384 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2385 | { | |
2386 | int wp_idx = 0; | |
2387 | int if_idx = 0; | |
2388 | int wp_start = cb->args[0]; | |
2389 | int if_start = cb->args[1]; | |
f5ea9120 | 2390 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2391 | struct wireless_dev *wdev; |
2392 | ||
5fe231e8 | 2393 | rtnl_lock(); |
f5ea9120 JB |
2394 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2395 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2396 | continue; |
bba95fef JB |
2397 | if (wp_idx < wp_start) { |
2398 | wp_idx++; | |
55682965 | 2399 | continue; |
bba95fef | 2400 | } |
55682965 JB |
2401 | if_idx = 0; |
2402 | ||
89a54e48 | 2403 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2404 | if (if_idx < if_start) { |
2405 | if_idx++; | |
55682965 | 2406 | continue; |
bba95fef | 2407 | } |
15e47304 | 2408 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2409 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 2410 | rdev, wdev) < 0) { |
bba95fef JB |
2411 | goto out; |
2412 | } | |
2413 | if_idx++; | |
55682965 | 2414 | } |
bba95fef JB |
2415 | |
2416 | wp_idx++; | |
55682965 | 2417 | } |
bba95fef | 2418 | out: |
5fe231e8 | 2419 | rtnl_unlock(); |
55682965 JB |
2420 | |
2421 | cb->args[0] = wp_idx; | |
2422 | cb->args[1] = if_idx; | |
2423 | ||
2424 | return skb->len; | |
2425 | } | |
2426 | ||
2427 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2428 | { | |
2429 | struct sk_buff *msg; | |
1b8ec87a | 2430 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2431 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2432 | |
fd2120ca | 2433 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2434 | if (!msg) |
4c476991 | 2435 | return -ENOMEM; |
55682965 | 2436 | |
15e47304 | 2437 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1b8ec87a | 2438 | rdev, wdev) < 0) { |
4c476991 JB |
2439 | nlmsg_free(msg); |
2440 | return -ENOBUFS; | |
2441 | } | |
55682965 | 2442 | |
134e6375 | 2443 | return genlmsg_reply(msg, info); |
55682965 JB |
2444 | } |
2445 | ||
66f7ac50 MW |
2446 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2447 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2448 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2449 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2450 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2451 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2452 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2453 | }; |
2454 | ||
2455 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2456 | { | |
2457 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2458 | int flag; | |
2459 | ||
2460 | *mntrflags = 0; | |
2461 | ||
2462 | if (!nla) | |
2463 | return -EINVAL; | |
2464 | ||
2465 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2466 | nla, mntr_flags_policy)) | |
2467 | return -EINVAL; | |
2468 | ||
2469 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2470 | if (flags[flag]) | |
2471 | *mntrflags |= (1<<flag); | |
2472 | ||
2473 | return 0; | |
2474 | } | |
2475 | ||
9bc383de | 2476 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2477 | struct net_device *netdev, u8 use_4addr, |
2478 | enum nl80211_iftype iftype) | |
9bc383de | 2479 | { |
ad4bb6f8 | 2480 | if (!use_4addr) { |
f350a0a8 | 2481 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2482 | return -EBUSY; |
9bc383de | 2483 | return 0; |
ad4bb6f8 | 2484 | } |
9bc383de JB |
2485 | |
2486 | switch (iftype) { | |
2487 | case NL80211_IFTYPE_AP_VLAN: | |
2488 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2489 | return 0; | |
2490 | break; | |
2491 | case NL80211_IFTYPE_STATION: | |
2492 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2493 | return 0; | |
2494 | break; | |
2495 | default: | |
2496 | break; | |
2497 | } | |
2498 | ||
2499 | return -EOPNOTSUPP; | |
2500 | } | |
2501 | ||
55682965 JB |
2502 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2503 | { | |
4c476991 | 2504 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2505 | struct vif_params params; |
e36d56b6 | 2506 | int err; |
04a773ad | 2507 | enum nl80211_iftype otype, ntype; |
4c476991 | 2508 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2509 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2510 | bool change = false; |
55682965 | 2511 | |
2ec600d6 LCC |
2512 | memset(¶ms, 0, sizeof(params)); |
2513 | ||
04a773ad | 2514 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2515 | |
723b038d | 2516 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2517 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2518 | if (otype != ntype) |
ac7f9cfa | 2519 | change = true; |
4c476991 JB |
2520 | if (ntype > NL80211_IFTYPE_MAX) |
2521 | return -EINVAL; | |
723b038d JB |
2522 | } |
2523 | ||
92ffe055 | 2524 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2525 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2526 | ||
4c476991 JB |
2527 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2528 | return -EINVAL; | |
29cbe68c JB |
2529 | if (netif_running(dev)) |
2530 | return -EBUSY; | |
2531 | ||
2532 | wdev_lock(wdev); | |
2533 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2534 | IEEE80211_MAX_MESH_ID_LEN); | |
2535 | wdev->mesh_id_up_len = | |
2536 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2537 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2538 | wdev->mesh_id_up_len); | |
2539 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2540 | } |
2541 | ||
8b787643 FF |
2542 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2543 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2544 | change = true; | |
ad4bb6f8 | 2545 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2546 | if (err) |
4c476991 | 2547 | return err; |
8b787643 FF |
2548 | } else { |
2549 | params.use_4addr = -1; | |
2550 | } | |
2551 | ||
92ffe055 | 2552 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2553 | if (ntype != NL80211_IFTYPE_MONITOR) |
2554 | return -EINVAL; | |
92ffe055 JB |
2555 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2556 | &_flags); | |
ac7f9cfa | 2557 | if (err) |
4c476991 | 2558 | return err; |
ac7f9cfa JB |
2559 | |
2560 | flags = &_flags; | |
2561 | change = true; | |
92ffe055 | 2562 | } |
3b85875a | 2563 | |
18003297 | 2564 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2565 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2566 | return -EOPNOTSUPP; | |
2567 | ||
ac7f9cfa | 2568 | if (change) |
3d54d255 | 2569 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2570 | else |
2571 | err = 0; | |
60719ffd | 2572 | |
9bc383de JB |
2573 | if (!err && params.use_4addr != -1) |
2574 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2575 | ||
55682965 JB |
2576 | return err; |
2577 | } | |
2578 | ||
2579 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2580 | { | |
4c476991 | 2581 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2582 | struct vif_params params; |
84efbb84 | 2583 | struct wireless_dev *wdev; |
1c90f9d4 | 2584 | struct sk_buff *msg; |
55682965 JB |
2585 | int err; |
2586 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2587 | u32 flags; |
55682965 | 2588 | |
78f22b6a JB |
2589 | /* to avoid failing a new interface creation due to pending removal */ |
2590 | cfg80211_destroy_ifaces(rdev); | |
2591 | ||
2ec600d6 LCC |
2592 | memset(¶ms, 0, sizeof(params)); |
2593 | ||
55682965 JB |
2594 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2595 | return -EINVAL; | |
2596 | ||
2597 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2598 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2599 | if (type > NL80211_IFTYPE_MAX) | |
2600 | return -EINVAL; | |
2601 | } | |
2602 | ||
79c97e97 | 2603 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2604 | !(rdev->wiphy.interface_modes & (1 << type))) |
2605 | return -EOPNOTSUPP; | |
55682965 | 2606 | |
1c18f145 AS |
2607 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2608 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2609 | ETH_ALEN); | |
2610 | if (!is_valid_ether_addr(params.macaddr)) | |
2611 | return -EADDRNOTAVAIL; | |
2612 | } | |
2613 | ||
9bc383de | 2614 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2615 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2616 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2617 | if (err) |
4c476991 | 2618 | return err; |
9bc383de | 2619 | } |
8b787643 | 2620 | |
1c90f9d4 JB |
2621 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2622 | if (!msg) | |
2623 | return -ENOMEM; | |
2624 | ||
66f7ac50 MW |
2625 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2626 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2627 | &flags); | |
e057d3c3 | 2628 | |
18003297 | 2629 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2630 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2631 | return -EOPNOTSUPP; | |
2632 | ||
e35e4d28 HG |
2633 | wdev = rdev_add_virtual_intf(rdev, |
2634 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2635 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2636 | if (IS_ERR(wdev)) { |
2637 | nlmsg_free(msg); | |
84efbb84 | 2638 | return PTR_ERR(wdev); |
1c90f9d4 | 2639 | } |
2ec600d6 | 2640 | |
78f22b6a JB |
2641 | if (info->attrs[NL80211_ATTR_IFACE_SOCKET_OWNER]) |
2642 | wdev->owner_nlportid = info->snd_portid; | |
2643 | ||
98104fde JB |
2644 | switch (type) { |
2645 | case NL80211_IFTYPE_MESH_POINT: | |
2646 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2647 | break; | |
29cbe68c JB |
2648 | wdev_lock(wdev); |
2649 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2650 | IEEE80211_MAX_MESH_ID_LEN); | |
2651 | wdev->mesh_id_up_len = | |
2652 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2653 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2654 | wdev->mesh_id_up_len); | |
2655 | wdev_unlock(wdev); | |
98104fde JB |
2656 | break; |
2657 | case NL80211_IFTYPE_P2P_DEVICE: | |
2658 | /* | |
2659 | * P2P Device doesn't have a netdev, so doesn't go | |
2660 | * through the netdev notifier and must be added here | |
2661 | */ | |
2662 | mutex_init(&wdev->mtx); | |
2663 | INIT_LIST_HEAD(&wdev->event_list); | |
2664 | spin_lock_init(&wdev->event_lock); | |
2665 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2666 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2667 | ||
98104fde JB |
2668 | wdev->identifier = ++rdev->wdev_id; |
2669 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2670 | rdev->devlist_generation++; | |
98104fde JB |
2671 | break; |
2672 | default: | |
2673 | break; | |
29cbe68c JB |
2674 | } |
2675 | ||
15e47304 | 2676 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2677 | rdev, wdev) < 0) { |
2678 | nlmsg_free(msg); | |
2679 | return -ENOBUFS; | |
2680 | } | |
2681 | ||
2682 | return genlmsg_reply(msg, info); | |
55682965 JB |
2683 | } |
2684 | ||
2685 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2686 | { | |
4c476991 | 2687 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2688 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2689 | |
4c476991 JB |
2690 | if (!rdev->ops->del_virtual_intf) |
2691 | return -EOPNOTSUPP; | |
55682965 | 2692 | |
84efbb84 JB |
2693 | /* |
2694 | * If we remove a wireless device without a netdev then clear | |
2695 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2696 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2697 | * since the wdev has been freed, unlike with a netdev where | |
2698 | * we need the dev_put() for the netdev to really be freed. | |
2699 | */ | |
2700 | if (!wdev->netdev) | |
2701 | info->user_ptr[1] = NULL; | |
2702 | ||
e35e4d28 | 2703 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2704 | } |
2705 | ||
1d9d9213 SW |
2706 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2707 | { | |
2708 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2709 | struct net_device *dev = info->user_ptr[1]; | |
2710 | u16 noack_map; | |
2711 | ||
2712 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2713 | return -EINVAL; | |
2714 | ||
2715 | if (!rdev->ops->set_noack_map) | |
2716 | return -EOPNOTSUPP; | |
2717 | ||
2718 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2719 | ||
e35e4d28 | 2720 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2721 | } |
2722 | ||
41ade00f JB |
2723 | struct get_key_cookie { |
2724 | struct sk_buff *msg; | |
2725 | int error; | |
b9454e83 | 2726 | int idx; |
41ade00f JB |
2727 | }; |
2728 | ||
2729 | static void get_key_callback(void *c, struct key_params *params) | |
2730 | { | |
b9454e83 | 2731 | struct nlattr *key; |
41ade00f JB |
2732 | struct get_key_cookie *cookie = c; |
2733 | ||
9360ffd1 DM |
2734 | if ((params->key && |
2735 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2736 | params->key_len, params->key)) || | |
2737 | (params->seq && | |
2738 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2739 | params->seq_len, params->seq)) || | |
2740 | (params->cipher && | |
2741 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2742 | params->cipher))) | |
2743 | goto nla_put_failure; | |
41ade00f | 2744 | |
b9454e83 JB |
2745 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2746 | if (!key) | |
2747 | goto nla_put_failure; | |
2748 | ||
9360ffd1 DM |
2749 | if ((params->key && |
2750 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2751 | params->key_len, params->key)) || | |
2752 | (params->seq && | |
2753 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2754 | params->seq_len, params->seq)) || | |
2755 | (params->cipher && | |
2756 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2757 | params->cipher))) | |
2758 | goto nla_put_failure; | |
b9454e83 | 2759 | |
9360ffd1 DM |
2760 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2761 | goto nla_put_failure; | |
b9454e83 JB |
2762 | |
2763 | nla_nest_end(cookie->msg, key); | |
2764 | ||
41ade00f JB |
2765 | return; |
2766 | nla_put_failure: | |
2767 | cookie->error = 1; | |
2768 | } | |
2769 | ||
2770 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2771 | { | |
4c476991 | 2772 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2773 | int err; |
4c476991 | 2774 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2775 | u8 key_idx = 0; |
e31b8213 JB |
2776 | const u8 *mac_addr = NULL; |
2777 | bool pairwise; | |
41ade00f JB |
2778 | struct get_key_cookie cookie = { |
2779 | .error = 0, | |
2780 | }; | |
2781 | void *hdr; | |
2782 | struct sk_buff *msg; | |
2783 | ||
2784 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2785 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2786 | ||
3cfcf6ac | 2787 | if (key_idx > 5) |
41ade00f JB |
2788 | return -EINVAL; |
2789 | ||
2790 | if (info->attrs[NL80211_ATTR_MAC]) | |
2791 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2792 | ||
e31b8213 JB |
2793 | pairwise = !!mac_addr; |
2794 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2795 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2796 | if (kt >= NUM_NL80211_KEYTYPES) | |
2797 | return -EINVAL; | |
2798 | if (kt != NL80211_KEYTYPE_GROUP && | |
2799 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2800 | return -EINVAL; | |
2801 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2802 | } | |
2803 | ||
4c476991 JB |
2804 | if (!rdev->ops->get_key) |
2805 | return -EOPNOTSUPP; | |
41ade00f | 2806 | |
fd2120ca | 2807 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2808 | if (!msg) |
2809 | return -ENOMEM; | |
41ade00f | 2810 | |
15e47304 | 2811 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2812 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 2813 | if (!hdr) |
9fe271af | 2814 | goto nla_put_failure; |
41ade00f JB |
2815 | |
2816 | cookie.msg = msg; | |
b9454e83 | 2817 | cookie.idx = key_idx; |
41ade00f | 2818 | |
9360ffd1 DM |
2819 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2820 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2821 | goto nla_put_failure; | |
2822 | if (mac_addr && | |
2823 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2824 | goto nla_put_failure; | |
41ade00f | 2825 | |
e31b8213 JB |
2826 | if (pairwise && mac_addr && |
2827 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2828 | return -ENOENT; | |
2829 | ||
e35e4d28 HG |
2830 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2831 | get_key_callback); | |
41ade00f JB |
2832 | |
2833 | if (err) | |
6c95e2a2 | 2834 | goto free_msg; |
41ade00f JB |
2835 | |
2836 | if (cookie.error) | |
2837 | goto nla_put_failure; | |
2838 | ||
2839 | genlmsg_end(msg, hdr); | |
4c476991 | 2840 | return genlmsg_reply(msg, info); |
41ade00f JB |
2841 | |
2842 | nla_put_failure: | |
2843 | err = -ENOBUFS; | |
6c95e2a2 | 2844 | free_msg: |
41ade00f | 2845 | nlmsg_free(msg); |
41ade00f JB |
2846 | return err; |
2847 | } | |
2848 | ||
2849 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2850 | { | |
4c476991 | 2851 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2852 | struct key_parse key; |
41ade00f | 2853 | int err; |
4c476991 | 2854 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2855 | |
b9454e83 JB |
2856 | err = nl80211_parse_key(info, &key); |
2857 | if (err) | |
2858 | return err; | |
41ade00f | 2859 | |
b9454e83 | 2860 | if (key.idx < 0) |
41ade00f JB |
2861 | return -EINVAL; |
2862 | ||
b9454e83 JB |
2863 | /* only support setting default key */ |
2864 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2865 | return -EINVAL; |
2866 | ||
dbd2fd65 | 2867 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2868 | |
dbd2fd65 JB |
2869 | if (key.def) { |
2870 | if (!rdev->ops->set_default_key) { | |
2871 | err = -EOPNOTSUPP; | |
2872 | goto out; | |
2873 | } | |
41ade00f | 2874 | |
dbd2fd65 JB |
2875 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2876 | if (err) | |
2877 | goto out; | |
2878 | ||
e35e4d28 | 2879 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2880 | key.def_uni, key.def_multi); |
2881 | ||
2882 | if (err) | |
2883 | goto out; | |
fffd0934 | 2884 | |
3d23e349 | 2885 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2886 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2887 | #endif | |
2888 | } else { | |
2889 | if (key.def_uni || !key.def_multi) { | |
2890 | err = -EINVAL; | |
2891 | goto out; | |
2892 | } | |
2893 | ||
2894 | if (!rdev->ops->set_default_mgmt_key) { | |
2895 | err = -EOPNOTSUPP; | |
2896 | goto out; | |
2897 | } | |
2898 | ||
2899 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2900 | if (err) | |
2901 | goto out; | |
2902 | ||
e35e4d28 | 2903 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2904 | if (err) |
2905 | goto out; | |
2906 | ||
2907 | #ifdef CONFIG_CFG80211_WEXT | |
2908 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2909 | #endif |
dbd2fd65 JB |
2910 | } |
2911 | ||
2912 | out: | |
fffd0934 | 2913 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2914 | |
41ade00f JB |
2915 | return err; |
2916 | } | |
2917 | ||
2918 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2919 | { | |
4c476991 | 2920 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2921 | int err; |
4c476991 | 2922 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2923 | struct key_parse key; |
e31b8213 | 2924 | const u8 *mac_addr = NULL; |
41ade00f | 2925 | |
b9454e83 JB |
2926 | err = nl80211_parse_key(info, &key); |
2927 | if (err) | |
2928 | return err; | |
41ade00f | 2929 | |
b9454e83 | 2930 | if (!key.p.key) |
41ade00f JB |
2931 | return -EINVAL; |
2932 | ||
41ade00f JB |
2933 | if (info->attrs[NL80211_ATTR_MAC]) |
2934 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2935 | ||
e31b8213 JB |
2936 | if (key.type == -1) { |
2937 | if (mac_addr) | |
2938 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2939 | else | |
2940 | key.type = NL80211_KEYTYPE_GROUP; | |
2941 | } | |
2942 | ||
2943 | /* for now */ | |
2944 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2945 | key.type != NL80211_KEYTYPE_GROUP) | |
2946 | return -EINVAL; | |
2947 | ||
4c476991 JB |
2948 | if (!rdev->ops->add_key) |
2949 | return -EOPNOTSUPP; | |
25e47c18 | 2950 | |
e31b8213 JB |
2951 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2952 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2953 | mac_addr)) | |
4c476991 | 2954 | return -EINVAL; |
41ade00f | 2955 | |
fffd0934 JB |
2956 | wdev_lock(dev->ieee80211_ptr); |
2957 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2958 | if (!err) | |
e35e4d28 HG |
2959 | err = rdev_add_key(rdev, dev, key.idx, |
2960 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2961 | mac_addr, &key.p); | |
fffd0934 | 2962 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2963 | |
41ade00f JB |
2964 | return err; |
2965 | } | |
2966 | ||
2967 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2968 | { | |
4c476991 | 2969 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2970 | int err; |
4c476991 | 2971 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2972 | u8 *mac_addr = NULL; |
b9454e83 | 2973 | struct key_parse key; |
41ade00f | 2974 | |
b9454e83 JB |
2975 | err = nl80211_parse_key(info, &key); |
2976 | if (err) | |
2977 | return err; | |
41ade00f JB |
2978 | |
2979 | if (info->attrs[NL80211_ATTR_MAC]) | |
2980 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2981 | ||
e31b8213 JB |
2982 | if (key.type == -1) { |
2983 | if (mac_addr) | |
2984 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2985 | else | |
2986 | key.type = NL80211_KEYTYPE_GROUP; | |
2987 | } | |
2988 | ||
2989 | /* for now */ | |
2990 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2991 | key.type != NL80211_KEYTYPE_GROUP) | |
2992 | return -EINVAL; | |
2993 | ||
4c476991 JB |
2994 | if (!rdev->ops->del_key) |
2995 | return -EOPNOTSUPP; | |
41ade00f | 2996 | |
fffd0934 JB |
2997 | wdev_lock(dev->ieee80211_ptr); |
2998 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2999 | |
3000 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
3001 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
3002 | err = -ENOENT; | |
3003 | ||
fffd0934 | 3004 | if (!err) |
e35e4d28 HG |
3005 | err = rdev_del_key(rdev, dev, key.idx, |
3006 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3007 | mac_addr); | |
41ade00f | 3008 | |
3d23e349 | 3009 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3010 | if (!err) { |
b9454e83 | 3011 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3012 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3013 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3014 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3015 | } | |
3016 | #endif | |
fffd0934 | 3017 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3018 | |
41ade00f JB |
3019 | return err; |
3020 | } | |
3021 | ||
77765eaf VT |
3022 | /* This function returns an error or the number of nested attributes */ |
3023 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3024 | { | |
3025 | struct nlattr *attr; | |
3026 | int n_entries = 0, tmp; | |
3027 | ||
3028 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3029 | if (nla_len(attr) != ETH_ALEN) | |
3030 | return -EINVAL; | |
3031 | ||
3032 | n_entries++; | |
3033 | } | |
3034 | ||
3035 | return n_entries; | |
3036 | } | |
3037 | ||
3038 | /* | |
3039 | * This function parses ACL information and allocates memory for ACL data. | |
3040 | * On successful return, the calling function is responsible to free the | |
3041 | * ACL buffer returned by this function. | |
3042 | */ | |
3043 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3044 | struct genl_info *info) | |
3045 | { | |
3046 | enum nl80211_acl_policy acl_policy; | |
3047 | struct nlattr *attr; | |
3048 | struct cfg80211_acl_data *acl; | |
3049 | int i = 0, n_entries, tmp; | |
3050 | ||
3051 | if (!wiphy->max_acl_mac_addrs) | |
3052 | return ERR_PTR(-EOPNOTSUPP); | |
3053 | ||
3054 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3055 | return ERR_PTR(-EINVAL); | |
3056 | ||
3057 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3058 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3059 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3060 | return ERR_PTR(-EINVAL); | |
3061 | ||
3062 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3063 | return ERR_PTR(-EINVAL); | |
3064 | ||
3065 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3066 | if (n_entries < 0) | |
3067 | return ERR_PTR(n_entries); | |
3068 | ||
3069 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3070 | return ERR_PTR(-ENOTSUPP); | |
3071 | ||
3072 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3073 | GFP_KERNEL); | |
3074 | if (!acl) | |
3075 | return ERR_PTR(-ENOMEM); | |
3076 | ||
3077 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3078 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3079 | i++; | |
3080 | } | |
3081 | ||
3082 | acl->n_acl_entries = n_entries; | |
3083 | acl->acl_policy = acl_policy; | |
3084 | ||
3085 | return acl; | |
3086 | } | |
3087 | ||
3088 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3089 | { | |
3090 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3091 | struct net_device *dev = info->user_ptr[1]; | |
3092 | struct cfg80211_acl_data *acl; | |
3093 | int err; | |
3094 | ||
3095 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3096 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3097 | return -EOPNOTSUPP; | |
3098 | ||
3099 | if (!dev->ieee80211_ptr->beacon_interval) | |
3100 | return -EINVAL; | |
3101 | ||
3102 | acl = parse_acl_data(&rdev->wiphy, info); | |
3103 | if (IS_ERR(acl)) | |
3104 | return PTR_ERR(acl); | |
3105 | ||
3106 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3107 | ||
3108 | kfree(acl); | |
3109 | ||
3110 | return err; | |
3111 | } | |
3112 | ||
a1193be8 | 3113 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3114 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3115 | { |
8860020e | 3116 | bool haveinfo = false; |
ed1b6cc7 | 3117 | |
a1193be8 SW |
3118 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3119 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3120 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3121 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3122 | return -EINVAL; |
3123 | ||
8860020e | 3124 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3125 | |
a1193be8 SW |
3126 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3127 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3128 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3129 | if (!bcn->head_len) |
3130 | return -EINVAL; | |
3131 | haveinfo = true; | |
ed1b6cc7 JB |
3132 | } |
3133 | ||
a1193be8 SW |
3134 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3135 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3136 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3137 | haveinfo = true; |
ed1b6cc7 JB |
3138 | } |
3139 | ||
4c476991 JB |
3140 | if (!haveinfo) |
3141 | return -EINVAL; | |
3b85875a | 3142 | |
a1193be8 SW |
3143 | if (attrs[NL80211_ATTR_IE]) { |
3144 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3145 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3146 | } |
3147 | ||
a1193be8 | 3148 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3149 | bcn->proberesp_ies = |
a1193be8 | 3150 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3151 | bcn->proberesp_ies_len = |
a1193be8 | 3152 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3153 | } |
3154 | ||
a1193be8 | 3155 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3156 | bcn->assocresp_ies = |
a1193be8 | 3157 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3158 | bcn->assocresp_ies_len = |
a1193be8 | 3159 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3160 | } |
3161 | ||
a1193be8 SW |
3162 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3163 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3164 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3165 | } |
3166 | ||
8860020e JB |
3167 | return 0; |
3168 | } | |
3169 | ||
46c1dd0c FF |
3170 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3171 | struct cfg80211_ap_settings *params) | |
3172 | { | |
3173 | struct wireless_dev *wdev; | |
3174 | bool ret = false; | |
3175 | ||
89a54e48 | 3176 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3177 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3178 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3179 | continue; | |
3180 | ||
683b6d3b | 3181 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3182 | continue; |
3183 | ||
683b6d3b | 3184 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3185 | ret = true; |
3186 | break; | |
3187 | } | |
3188 | ||
46c1dd0c FF |
3189 | return ret; |
3190 | } | |
3191 | ||
e39e5b5e JM |
3192 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3193 | enum nl80211_auth_type auth_type, | |
3194 | enum nl80211_commands cmd) | |
3195 | { | |
3196 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3197 | return false; | |
3198 | ||
3199 | switch (cmd) { | |
3200 | case NL80211_CMD_AUTHENTICATE: | |
3201 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3202 | auth_type == NL80211_AUTHTYPE_SAE) | |
3203 | return false; | |
3204 | return true; | |
3205 | case NL80211_CMD_CONNECT: | |
3206 | case NL80211_CMD_START_AP: | |
3207 | /* SAE not supported yet */ | |
3208 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3209 | return false; | |
3210 | return true; | |
3211 | default: | |
3212 | return false; | |
3213 | } | |
3214 | } | |
3215 | ||
8860020e JB |
3216 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3217 | { | |
3218 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3219 | struct net_device *dev = info->user_ptr[1]; | |
3220 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3221 | struct cfg80211_ap_settings params; | |
3222 | int err; | |
3223 | ||
3224 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3225 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3226 | return -EOPNOTSUPP; | |
3227 | ||
3228 | if (!rdev->ops->start_ap) | |
3229 | return -EOPNOTSUPP; | |
3230 | ||
3231 | if (wdev->beacon_interval) | |
3232 | return -EALREADY; | |
3233 | ||
3234 | memset(¶ms, 0, sizeof(params)); | |
3235 | ||
3236 | /* these are required for START_AP */ | |
3237 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3238 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3239 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3240 | return -EINVAL; | |
3241 | ||
a1193be8 | 3242 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3243 | if (err) |
3244 | return err; | |
3245 | ||
3246 | params.beacon_interval = | |
3247 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3248 | params.dtim_period = | |
3249 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3250 | ||
3251 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3252 | if (err) | |
3253 | return err; | |
3254 | ||
3255 | /* | |
3256 | * In theory, some of these attributes should be required here | |
3257 | * but since they were not used when the command was originally | |
3258 | * added, keep them optional for old user space programs to let | |
3259 | * them continue to work with drivers that do not need the | |
3260 | * additional information -- drivers must check! | |
3261 | */ | |
3262 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3263 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3264 | params.ssid_len = | |
3265 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3266 | if (params.ssid_len == 0 || | |
3267 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3268 | return -EINVAL; | |
3269 | } | |
3270 | ||
3271 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3272 | params.hidden_ssid = nla_get_u32( | |
3273 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3274 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3275 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3276 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3277 | return -EINVAL; | |
3278 | } | |
3279 | ||
3280 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3281 | ||
3282 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3283 | params.auth_type = nla_get_u32( | |
3284 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3285 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3286 | NL80211_CMD_START_AP)) | |
8860020e JB |
3287 | return -EINVAL; |
3288 | } else | |
3289 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3290 | ||
3291 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3292 | NL80211_MAX_NR_CIPHER_SUITES); | |
3293 | if (err) | |
3294 | return err; | |
3295 | ||
1b658f11 VT |
3296 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3297 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3298 | return -EOPNOTSUPP; | |
3299 | params.inactivity_timeout = nla_get_u16( | |
3300 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3301 | } | |
3302 | ||
53cabad7 JB |
3303 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3304 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3305 | return -EINVAL; | |
3306 | params.p2p_ctwindow = | |
3307 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3308 | if (params.p2p_ctwindow > 127) | |
3309 | return -EINVAL; | |
3310 | if (params.p2p_ctwindow != 0 && | |
3311 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3312 | return -EINVAL; | |
3313 | } | |
3314 | ||
3315 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3316 | u8 tmp; | |
3317 | ||
3318 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3319 | return -EINVAL; | |
3320 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3321 | if (tmp > 1) | |
3322 | return -EINVAL; | |
3323 | params.p2p_opp_ps = tmp; | |
3324 | if (params.p2p_opp_ps != 0 && | |
3325 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3326 | return -EINVAL; | |
3327 | } | |
3328 | ||
aa430da4 | 3329 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3330 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3331 | if (err) | |
3332 | return err; | |
3333 | } else if (wdev->preset_chandef.chan) { | |
3334 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3335 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3336 | return -EINVAL; |
3337 | ||
174e0cd2 IP |
3338 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, |
3339 | wdev->iftype)) | |
aa430da4 JB |
3340 | return -EINVAL; |
3341 | ||
77765eaf VT |
3342 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3343 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3344 | if (IS_ERR(params.acl)) | |
3345 | return PTR_ERR(params.acl); | |
3346 | } | |
3347 | ||
c56589ed | 3348 | wdev_lock(wdev); |
e35e4d28 | 3349 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3350 | if (!err) { |
683b6d3b | 3351 | wdev->preset_chandef = params.chandef; |
8860020e | 3352 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 3353 | wdev->chandef = params.chandef; |
06e191e2 AQ |
3354 | wdev->ssid_len = params.ssid_len; |
3355 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3356 | } |
c56589ed | 3357 | wdev_unlock(wdev); |
77765eaf VT |
3358 | |
3359 | kfree(params.acl); | |
3360 | ||
56d1893d | 3361 | return err; |
ed1b6cc7 JB |
3362 | } |
3363 | ||
8860020e JB |
3364 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3365 | { | |
3366 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3367 | struct net_device *dev = info->user_ptr[1]; | |
3368 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3369 | struct cfg80211_beacon_data params; | |
3370 | int err; | |
3371 | ||
3372 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3373 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3374 | return -EOPNOTSUPP; | |
3375 | ||
3376 | if (!rdev->ops->change_beacon) | |
3377 | return -EOPNOTSUPP; | |
3378 | ||
3379 | if (!wdev->beacon_interval) | |
3380 | return -EINVAL; | |
3381 | ||
a1193be8 | 3382 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3383 | if (err) |
3384 | return err; | |
3385 | ||
c56589ed SW |
3386 | wdev_lock(wdev); |
3387 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3388 | wdev_unlock(wdev); | |
3389 | ||
3390 | return err; | |
8860020e JB |
3391 | } |
3392 | ||
3393 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3394 | { |
4c476991 JB |
3395 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3396 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3397 | |
7c8d5e03 | 3398 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
3399 | } |
3400 | ||
5727ef1b JB |
3401 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3402 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3403 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3404 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3405 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3406 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3407 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3408 | }; |
3409 | ||
eccb8e8f | 3410 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3411 | enum nl80211_iftype iftype, |
eccb8e8f | 3412 | struct station_parameters *params) |
5727ef1b JB |
3413 | { |
3414 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3415 | struct nlattr *nla; |
5727ef1b JB |
3416 | int flag; |
3417 | ||
eccb8e8f JB |
3418 | /* |
3419 | * Try parsing the new attribute first so userspace | |
3420 | * can specify both for older kernels. | |
3421 | */ | |
3422 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3423 | if (nla) { | |
3424 | struct nl80211_sta_flag_update *sta_flags; | |
3425 | ||
3426 | sta_flags = nla_data(nla); | |
3427 | params->sta_flags_mask = sta_flags->mask; | |
3428 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3429 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3430 | if ((params->sta_flags_mask | |
3431 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3432 | return -EINVAL; | |
3433 | return 0; | |
3434 | } | |
3435 | ||
3436 | /* if present, parse the old attribute */ | |
5727ef1b | 3437 | |
eccb8e8f | 3438 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3439 | if (!nla) |
3440 | return 0; | |
3441 | ||
3442 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3443 | nla, sta_flags_policy)) | |
3444 | return -EINVAL; | |
3445 | ||
bdd3ae3d JB |
3446 | /* |
3447 | * Only allow certain flags for interface types so that | |
3448 | * other attributes are silently ignored. Remember that | |
3449 | * this is backward compatibility code with old userspace | |
3450 | * and shouldn't be hit in other cases anyway. | |
3451 | */ | |
3452 | switch (iftype) { | |
3453 | case NL80211_IFTYPE_AP: | |
3454 | case NL80211_IFTYPE_AP_VLAN: | |
3455 | case NL80211_IFTYPE_P2P_GO: | |
3456 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3457 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3458 | BIT(NL80211_STA_FLAG_WME) | | |
3459 | BIT(NL80211_STA_FLAG_MFP); | |
3460 | break; | |
3461 | case NL80211_IFTYPE_P2P_CLIENT: | |
3462 | case NL80211_IFTYPE_STATION: | |
3463 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3464 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3465 | break; | |
3466 | case NL80211_IFTYPE_MESH_POINT: | |
3467 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3468 | BIT(NL80211_STA_FLAG_MFP) | | |
3469 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3470 | default: | |
3471 | return -EINVAL; | |
3472 | } | |
5727ef1b | 3473 | |
3383b5a6 JB |
3474 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3475 | if (flags[flag]) { | |
eccb8e8f | 3476 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3477 | |
3383b5a6 JB |
3478 | /* no longer support new API additions in old API */ |
3479 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3480 | return -EINVAL; | |
3481 | } | |
3482 | } | |
3483 | ||
5727ef1b JB |
3484 | return 0; |
3485 | } | |
3486 | ||
c8dcfd8a FF |
3487 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3488 | int attr) | |
3489 | { | |
3490 | struct nlattr *rate; | |
8eb41c8d VK |
3491 | u32 bitrate; |
3492 | u16 bitrate_compat; | |
c8dcfd8a FF |
3493 | |
3494 | rate = nla_nest_start(msg, attr); | |
3495 | if (!rate) | |
db9c64cf | 3496 | return false; |
c8dcfd8a FF |
3497 | |
3498 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3499 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3500 | /* report 16-bit bitrate only if we can */ |
3501 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3502 | if (bitrate > 0 && |
3503 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3504 | return false; | |
3505 | if (bitrate_compat > 0 && | |
3506 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3507 | return false; | |
3508 | ||
3509 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3510 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3511 | return false; | |
3512 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3513 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3514 | return false; | |
3515 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3516 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3517 | return false; | |
3518 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3519 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3520 | return false; | |
3521 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3522 | return false; | |
3523 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3524 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3525 | return false; | |
3526 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3527 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3528 | return false; | |
3529 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3530 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3531 | return false; | |
3532 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3533 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3534 | return false; | |
3535 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3536 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3537 | return false; | |
3538 | } | |
c8dcfd8a FF |
3539 | |
3540 | nla_nest_end(msg, rate); | |
3541 | return true; | |
c8dcfd8a FF |
3542 | } |
3543 | ||
119363c7 FF |
3544 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3545 | int id) | |
3546 | { | |
3547 | void *attr; | |
3548 | int i = 0; | |
3549 | ||
3550 | if (!mask) | |
3551 | return true; | |
3552 | ||
3553 | attr = nla_nest_start(msg, id); | |
3554 | if (!attr) | |
3555 | return false; | |
3556 | ||
3557 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3558 | if (!(mask & BIT(i))) | |
3559 | continue; | |
3560 | ||
3561 | if (nla_put_u8(msg, i, signal[i])) | |
3562 | return false; | |
3563 | } | |
3564 | ||
3565 | nla_nest_end(msg, attr); | |
3566 | ||
3567 | return true; | |
3568 | } | |
3569 | ||
15e47304 | 3570 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3571 | int flags, |
3572 | struct cfg80211_registered_device *rdev, | |
3573 | struct net_device *dev, | |
98b62183 | 3574 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3575 | { |
3576 | void *hdr; | |
f4263c98 | 3577 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3578 | |
15e47304 | 3579 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3580 | if (!hdr) |
3581 | return -1; | |
3582 | ||
9360ffd1 DM |
3583 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3584 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3585 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3586 | goto nla_put_failure; | |
f5ea9120 | 3587 | |
2ec600d6 LCC |
3588 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3589 | if (!sinfoattr) | |
fd5b74dc | 3590 | goto nla_put_failure; |
9360ffd1 DM |
3591 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3592 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3593 | sinfo->connected_time)) | |
3594 | goto nla_put_failure; | |
3595 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3596 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3597 | sinfo->inactive_time)) | |
3598 | goto nla_put_failure; | |
42745e03 VK |
3599 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3600 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3601 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3602 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3603 | goto nla_put_failure; |
42745e03 | 3604 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3605 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3606 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3607 | (u32)sinfo->tx_bytes)) |
3608 | goto nla_put_failure; | |
3609 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3610 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3611 | sinfo->rx_bytes)) | |
3612 | goto nla_put_failure; | |
3613 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3614 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3615 | sinfo->tx_bytes)) |
3616 | goto nla_put_failure; | |
3617 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3618 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3619 | goto nla_put_failure; | |
3620 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3621 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3622 | goto nla_put_failure; | |
3623 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3624 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3625 | sinfo->plink_state)) | |
3626 | goto nla_put_failure; | |
66266b3a JL |
3627 | switch (rdev->wiphy.signal_type) { |
3628 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3629 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3630 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3631 | sinfo->signal)) | |
3632 | goto nla_put_failure; | |
3633 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3634 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3635 | sinfo->signal_avg)) | |
3636 | goto nla_put_failure; | |
66266b3a JL |
3637 | break; |
3638 | default: | |
3639 | break; | |
3640 | } | |
119363c7 FF |
3641 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3642 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3643 | sinfo->chain_signal, | |
3644 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3645 | goto nla_put_failure; | |
3646 | } | |
3647 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3648 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3649 | sinfo->chain_signal_avg, | |
3650 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3651 | goto nla_put_failure; | |
3652 | } | |
420e7fab | 3653 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3654 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3655 | NL80211_STA_INFO_TX_BITRATE)) | |
3656 | goto nla_put_failure; | |
3657 | } | |
3658 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3659 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3660 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3661 | goto nla_put_failure; |
420e7fab | 3662 | } |
9360ffd1 DM |
3663 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3664 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3665 | sinfo->rx_packets)) | |
3666 | goto nla_put_failure; | |
3667 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3668 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3669 | sinfo->tx_packets)) | |
3670 | goto nla_put_failure; | |
3671 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3672 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3673 | sinfo->tx_retries)) | |
3674 | goto nla_put_failure; | |
3675 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3676 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3677 | sinfo->tx_failed)) | |
3678 | goto nla_put_failure; | |
867d849f AQ |
3679 | if ((sinfo->filled & STATION_INFO_EXPECTED_THROUGHPUT) && |
3680 | nla_put_u32(msg, NL80211_STA_INFO_EXPECTED_THROUGHPUT, | |
3681 | sinfo->expected_throughput)) | |
3682 | goto nla_put_failure; | |
9360ffd1 DM |
3683 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && |
3684 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3685 | sinfo->beacon_loss_count)) | |
3686 | goto nla_put_failure; | |
3b1c5a53 MP |
3687 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3688 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3689 | sinfo->local_pm)) | |
3690 | goto nla_put_failure; | |
3691 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3692 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3693 | sinfo->peer_pm)) | |
3694 | goto nla_put_failure; | |
3695 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3696 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3697 | sinfo->nonpeer_pm)) | |
3698 | goto nla_put_failure; | |
f4263c98 PS |
3699 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3700 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3701 | if (!bss_param) | |
3702 | goto nla_put_failure; | |
3703 | ||
9360ffd1 DM |
3704 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3705 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3706 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3707 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3708 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3709 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3710 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3711 | sinfo->bss_param.dtim_period) || | |
3712 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3713 | sinfo->bss_param.beacon_interval)) | |
3714 | goto nla_put_failure; | |
f4263c98 PS |
3715 | |
3716 | nla_nest_end(msg, bss_param); | |
3717 | } | |
9360ffd1 DM |
3718 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3719 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3720 | sizeof(struct nl80211_sta_flag_update), | |
3721 | &sinfo->sta_flags)) | |
3722 | goto nla_put_failure; | |
7eab0f64 JL |
3723 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3724 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3725 | sinfo->t_offset)) | |
3726 | goto nla_put_failure; | |
2ec600d6 | 3727 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3728 | |
9360ffd1 DM |
3729 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3730 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3731 | sinfo->assoc_req_ies)) | |
3732 | goto nla_put_failure; | |
50d3dfb7 | 3733 | |
fd5b74dc JB |
3734 | return genlmsg_end(msg, hdr); |
3735 | ||
3736 | nla_put_failure: | |
bc3ed28c TG |
3737 | genlmsg_cancel(msg, hdr); |
3738 | return -EMSGSIZE; | |
fd5b74dc JB |
3739 | } |
3740 | ||
2ec600d6 | 3741 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3742 | struct netlink_callback *cb) |
2ec600d6 | 3743 | { |
2ec600d6 | 3744 | struct station_info sinfo; |
1b8ec87a | 3745 | struct cfg80211_registered_device *rdev; |
97990a06 | 3746 | struct wireless_dev *wdev; |
2ec600d6 | 3747 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3748 | int sta_idx = cb->args[2]; |
2ec600d6 | 3749 | int err; |
2ec600d6 | 3750 | |
1b8ec87a | 3751 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
3752 | if (err) |
3753 | return err; | |
bba95fef | 3754 | |
97990a06 JB |
3755 | if (!wdev->netdev) { |
3756 | err = -EINVAL; | |
3757 | goto out_err; | |
3758 | } | |
3759 | ||
1b8ec87a | 3760 | if (!rdev->ops->dump_station) { |
eec60b03 | 3761 | err = -EOPNOTSUPP; |
bba95fef JB |
3762 | goto out_err; |
3763 | } | |
3764 | ||
bba95fef | 3765 | while (1) { |
f612cedf | 3766 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 3767 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 3768 | mac_addr, &sinfo); |
bba95fef JB |
3769 | if (err == -ENOENT) |
3770 | break; | |
3771 | if (err) | |
3b85875a | 3772 | goto out_err; |
bba95fef JB |
3773 | |
3774 | if (nl80211_send_station(skb, | |
15e47304 | 3775 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3776 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 3777 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
3778 | &sinfo) < 0) |
3779 | goto out; | |
3780 | ||
3781 | sta_idx++; | |
3782 | } | |
3783 | ||
3784 | ||
3785 | out: | |
97990a06 | 3786 | cb->args[2] = sta_idx; |
bba95fef | 3787 | err = skb->len; |
bba95fef | 3788 | out_err: |
1b8ec87a | 3789 | nl80211_finish_wdev_dump(rdev); |
bba95fef JB |
3790 | |
3791 | return err; | |
2ec600d6 | 3792 | } |
fd5b74dc | 3793 | |
5727ef1b JB |
3794 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3795 | { | |
4c476991 JB |
3796 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3797 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3798 | struct station_info sinfo; |
fd5b74dc JB |
3799 | struct sk_buff *msg; |
3800 | u8 *mac_addr = NULL; | |
4c476991 | 3801 | int err; |
fd5b74dc | 3802 | |
2ec600d6 | 3803 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3804 | |
3805 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3806 | return -EINVAL; | |
3807 | ||
3808 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3809 | ||
4c476991 JB |
3810 | if (!rdev->ops->get_station) |
3811 | return -EOPNOTSUPP; | |
3b85875a | 3812 | |
e35e4d28 | 3813 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3814 | if (err) |
4c476991 | 3815 | return err; |
2ec600d6 | 3816 | |
fd2120ca | 3817 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3818 | if (!msg) |
4c476991 | 3819 | return -ENOMEM; |
fd5b74dc | 3820 | |
15e47304 | 3821 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3822 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3823 | nlmsg_free(msg); |
3824 | return -ENOBUFS; | |
3825 | } | |
3b85875a | 3826 | |
4c476991 | 3827 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3828 | } |
3829 | ||
77ee7c89 JB |
3830 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3831 | struct station_parameters *params, | |
3832 | enum cfg80211_station_type statype) | |
3833 | { | |
3834 | if (params->listen_interval != -1) | |
3835 | return -EINVAL; | |
c72e1140 AN |
3836 | if (params->aid && |
3837 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
77ee7c89 JB |
3838 | return -EINVAL; |
3839 | ||
3840 | /* When you run into this, adjust the code below for the new flag */ | |
3841 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3842 | ||
3843 | switch (statype) { | |
eef941e6 TP |
3844 | case CFG80211_STA_MESH_PEER_KERNEL: |
3845 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3846 | /* |
3847 | * No ignoring the TDLS flag here -- the userspace mesh | |
3848 | * code doesn't have the bug of including TDLS in the | |
3849 | * mask everywhere. | |
3850 | */ | |
3851 | if (params->sta_flags_mask & | |
3852 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3853 | BIT(NL80211_STA_FLAG_MFP) | | |
3854 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3855 | return -EINVAL; | |
3856 | break; | |
3857 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3858 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3859 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3860 | return -EINVAL; | |
3861 | /* ignore since it can't change */ | |
3862 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3863 | break; | |
3864 | default: | |
3865 | /* disallow mesh-specific things */ | |
3866 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3867 | return -EINVAL; | |
3868 | if (params->local_pm) | |
3869 | return -EINVAL; | |
3870 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3871 | return -EINVAL; | |
3872 | } | |
3873 | ||
3874 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3875 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3876 | /* TDLS can't be set, ... */ | |
3877 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3878 | return -EINVAL; | |
3879 | /* | |
3880 | * ... but don't bother the driver with it. This works around | |
3881 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3882 | * TLDS_PEER flag in the mask even for AP mode. | |
3883 | */ | |
3884 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3885 | } | |
3886 | ||
3887 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3888 | /* reject other things that can't change */ | |
3889 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3890 | return -EINVAL; | |
3891 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3892 | return -EINVAL; | |
3893 | if (params->supported_rates) | |
3894 | return -EINVAL; | |
3895 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3896 | return -EINVAL; | |
3897 | } | |
3898 | ||
3899 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3900 | if (params->vlan) | |
3901 | return -EINVAL; | |
3902 | } | |
3903 | ||
3904 | switch (statype) { | |
3905 | case CFG80211_STA_AP_MLME_CLIENT: | |
3906 | /* Use this only for authorizing/unauthorizing a station */ | |
3907 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3908 | return -EOPNOTSUPP; | |
3909 | break; | |
3910 | case CFG80211_STA_AP_CLIENT: | |
3911 | /* accept only the listed bits */ | |
3912 | if (params->sta_flags_mask & | |
3913 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3914 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3915 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3916 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3917 | BIT(NL80211_STA_FLAG_WME) | | |
3918 | BIT(NL80211_STA_FLAG_MFP))) | |
3919 | return -EINVAL; | |
3920 | ||
3921 | /* but authenticated/associated only if driver handles it */ | |
3922 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3923 | params->sta_flags_mask & | |
3924 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3925 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3926 | return -EINVAL; | |
3927 | break; | |
3928 | case CFG80211_STA_IBSS: | |
3929 | case CFG80211_STA_AP_STA: | |
3930 | /* reject any changes other than AUTHORIZED */ | |
3931 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3932 | return -EINVAL; | |
3933 | break; | |
3934 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3935 | /* reject any changes other than AUTHORIZED or WME */ | |
3936 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3937 | BIT(NL80211_STA_FLAG_WME))) | |
3938 | return -EINVAL; | |
3939 | /* force (at least) rates when authorizing */ | |
3940 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
3941 | !params->supported_rates) | |
3942 | return -EINVAL; | |
3943 | break; | |
3944 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3945 | /* reject any changes */ | |
3946 | return -EINVAL; | |
eef941e6 | 3947 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
3948 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
3949 | return -EINVAL; | |
3950 | break; | |
eef941e6 | 3951 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
3952 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
3953 | return -EINVAL; | |
3954 | break; | |
3955 | } | |
3956 | ||
3957 | return 0; | |
3958 | } | |
3959 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
3960 | ||
5727ef1b | 3961 | /* |
c258d2de | 3962 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3963 | */ |
80b99899 JB |
3964 | static struct net_device *get_vlan(struct genl_info *info, |
3965 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3966 | { |
463d0183 | 3967 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3968 | struct net_device *v; |
3969 | int ret; | |
3970 | ||
3971 | if (!vlanattr) | |
3972 | return NULL; | |
3973 | ||
3974 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3975 | if (!v) | |
3976 | return ERR_PTR(-ENODEV); | |
3977 | ||
3978 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3979 | ret = -EINVAL; | |
3980 | goto error; | |
5727ef1b | 3981 | } |
80b99899 | 3982 | |
77ee7c89 JB |
3983 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
3984 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3985 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
3986 | ret = -EINVAL; | |
3987 | goto error; | |
3988 | } | |
3989 | ||
80b99899 JB |
3990 | if (!netif_running(v)) { |
3991 | ret = -ENETDOWN; | |
3992 | goto error; | |
3993 | } | |
3994 | ||
3995 | return v; | |
3996 | error: | |
3997 | dev_put(v); | |
3998 | return ERR_PTR(ret); | |
5727ef1b JB |
3999 | } |
4000 | ||
94e860f1 JB |
4001 | static const struct nla_policy |
4002 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4003 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4004 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4005 | }; | |
4006 | ||
ff276691 JB |
4007 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4008 | struct station_parameters *params) | |
df881293 | 4009 | { |
df881293 JM |
4010 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4011 | struct nlattr *nla; | |
4012 | int err; | |
4013 | ||
df881293 JM |
4014 | /* parse WME attributes if present */ |
4015 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4016 | return 0; | |
4017 | ||
4018 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4019 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4020 | nl80211_sta_wme_policy); | |
4021 | if (err) | |
4022 | return err; | |
4023 | ||
4024 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4025 | params->uapsd_queues = nla_get_u8( | |
4026 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4027 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4028 | return -EINVAL; | |
4029 | ||
4030 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4031 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4032 | ||
4033 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4034 | return -EINVAL; | |
4035 | ||
4036 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4037 | ||
4038 | return 0; | |
4039 | } | |
4040 | ||
c01fc9ad SD |
4041 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4042 | struct station_parameters *params) | |
4043 | { | |
4044 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4045 | params->supported_channels = | |
4046 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4047 | params->supported_channels_len = | |
4048 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4049 | /* | |
4050 | * Need to include at least one (first channel, number of | |
4051 | * channels) tuple for each subband, and must have proper | |
4052 | * tuples for the rest of the data as well. | |
4053 | */ | |
4054 | if (params->supported_channels_len < 2) | |
4055 | return -EINVAL; | |
4056 | if (params->supported_channels_len % 2) | |
4057 | return -EINVAL; | |
4058 | } | |
4059 | ||
4060 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4061 | params->supported_oper_classes = | |
4062 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4063 | params->supported_oper_classes_len = | |
4064 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4065 | /* | |
4066 | * The value of the Length field of the Supported Operating | |
4067 | * Classes element is between 2 and 253. | |
4068 | */ | |
4069 | if (params->supported_oper_classes_len < 2 || | |
4070 | params->supported_oper_classes_len > 253) | |
4071 | return -EINVAL; | |
4072 | } | |
4073 | return 0; | |
4074 | } | |
4075 | ||
ff276691 JB |
4076 | static int nl80211_set_station_tdls(struct genl_info *info, |
4077 | struct station_parameters *params) | |
4078 | { | |
c01fc9ad | 4079 | int err; |
ff276691 | 4080 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4081 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4082 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4083 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4084 | params->ht_capa = | |
4085 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4086 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4087 | params->vht_capa = | |
4088 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4089 | ||
c01fc9ad SD |
4090 | err = nl80211_parse_sta_channel_info(info, params); |
4091 | if (err) | |
4092 | return err; | |
4093 | ||
ff276691 JB |
4094 | return nl80211_parse_sta_wme(info, params); |
4095 | } | |
4096 | ||
5727ef1b JB |
4097 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4098 | { | |
4c476991 | 4099 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4100 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4101 | struct station_parameters params; |
77ee7c89 JB |
4102 | u8 *mac_addr; |
4103 | int err; | |
5727ef1b JB |
4104 | |
4105 | memset(¶ms, 0, sizeof(params)); | |
4106 | ||
4107 | params.listen_interval = -1; | |
4108 | ||
77ee7c89 JB |
4109 | if (!rdev->ops->change_station) |
4110 | return -EOPNOTSUPP; | |
4111 | ||
5727ef1b JB |
4112 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4113 | return -EINVAL; | |
4114 | ||
4115 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4116 | return -EINVAL; | |
4117 | ||
4118 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4119 | ||
4120 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4121 | params.supported_rates = | |
4122 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4123 | params.supported_rates_len = | |
4124 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4125 | } | |
4126 | ||
9d62a986 JM |
4127 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4128 | params.capability = | |
4129 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4130 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4131 | } | |
4132 | ||
4133 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4134 | params.ext_capab = | |
4135 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4136 | params.ext_capab_len = | |
4137 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4138 | } | |
4139 | ||
df881293 | 4140 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4141 | return -EINVAL; |
36aedc90 | 4142 | |
bdd3ae3d | 4143 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4144 | return -EINVAL; |
4145 | ||
f8bacc21 | 4146 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4147 | params.plink_action = |
f8bacc21 JB |
4148 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4149 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4150 | return -EINVAL; | |
4151 | } | |
2ec600d6 | 4152 | |
f8bacc21 | 4153 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4154 | params.plink_state = |
f8bacc21 JB |
4155 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4156 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4157 | return -EINVAL; | |
4158 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4159 | } | |
9c3990aa | 4160 | |
3b1c5a53 MP |
4161 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4162 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4163 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4164 | ||
4165 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4166 | pm > NL80211_MESH_POWER_MAX) | |
4167 | return -EINVAL; | |
4168 | ||
4169 | params.local_pm = pm; | |
4170 | } | |
4171 | ||
77ee7c89 JB |
4172 | /* Include parameters for TDLS peer (will check later) */ |
4173 | err = nl80211_set_station_tdls(info, ¶ms); | |
4174 | if (err) | |
4175 | return err; | |
4176 | ||
4177 | params.vlan = get_vlan(info, rdev); | |
4178 | if (IS_ERR(params.vlan)) | |
4179 | return PTR_ERR(params.vlan); | |
4180 | ||
a97f4424 JB |
4181 | switch (dev->ieee80211_ptr->iftype) { |
4182 | case NL80211_IFTYPE_AP: | |
4183 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4184 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4185 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4186 | case NL80211_IFTYPE_STATION: |
267335d6 | 4187 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4188 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4189 | break; |
4190 | default: | |
77ee7c89 JB |
4191 | err = -EOPNOTSUPP; |
4192 | goto out_put_vlan; | |
034d655e JB |
4193 | } |
4194 | ||
77ee7c89 | 4195 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4196 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4197 | |
77ee7c89 | 4198 | out_put_vlan: |
5727ef1b JB |
4199 | if (params.vlan) |
4200 | dev_put(params.vlan); | |
3b85875a | 4201 | |
5727ef1b JB |
4202 | return err; |
4203 | } | |
4204 | ||
4205 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4206 | { | |
4c476991 | 4207 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4208 | int err; |
4c476991 | 4209 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4210 | struct station_parameters params; |
4211 | u8 *mac_addr = NULL; | |
4212 | ||
4213 | memset(¶ms, 0, sizeof(params)); | |
4214 | ||
984c311b JB |
4215 | if (!rdev->ops->add_station) |
4216 | return -EOPNOTSUPP; | |
4217 | ||
5727ef1b JB |
4218 | if (!info->attrs[NL80211_ATTR_MAC]) |
4219 | return -EINVAL; | |
4220 | ||
5727ef1b JB |
4221 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4222 | return -EINVAL; | |
4223 | ||
4224 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4225 | return -EINVAL; | |
4226 | ||
5e4b6f56 JM |
4227 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4228 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4229 | return -EINVAL; |
4230 | ||
5727ef1b JB |
4231 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4232 | params.supported_rates = | |
4233 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4234 | params.supported_rates_len = | |
4235 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4236 | params.listen_interval = | |
4237 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4238 | |
3d124ea2 | 4239 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4240 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4241 | else |
4242 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4243 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4244 | return -EINVAL; | |
51b50fbe | 4245 | |
9d62a986 JM |
4246 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4247 | params.capability = | |
4248 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4249 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4250 | } | |
4251 | ||
4252 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4253 | params.ext_capab = | |
4254 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4255 | params.ext_capab_len = | |
4256 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4257 | } | |
4258 | ||
36aedc90 JM |
4259 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4260 | params.ht_capa = | |
4261 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4262 | |
f461be3e MP |
4263 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4264 | params.vht_capa = | |
4265 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4266 | ||
60f4a7b1 MK |
4267 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4268 | params.opmode_notif_used = true; | |
4269 | params.opmode_notif = | |
4270 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4271 | } | |
4272 | ||
f8bacc21 | 4273 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4274 | params.plink_action = |
f8bacc21 JB |
4275 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4276 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4277 | return -EINVAL; | |
4278 | } | |
96b78dff | 4279 | |
c01fc9ad SD |
4280 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4281 | if (err) | |
4282 | return err; | |
4283 | ||
ff276691 JB |
4284 | err = nl80211_parse_sta_wme(info, ¶ms); |
4285 | if (err) | |
4286 | return err; | |
bdd90d5e | 4287 | |
bdd3ae3d | 4288 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4289 | return -EINVAL; |
4290 | ||
77ee7c89 JB |
4291 | /* When you run into this, adjust the code below for the new flag */ |
4292 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4293 | ||
bdd90d5e JB |
4294 | switch (dev->ieee80211_ptr->iftype) { |
4295 | case NL80211_IFTYPE_AP: | |
4296 | case NL80211_IFTYPE_AP_VLAN: | |
4297 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4298 | /* ignore WME attributes if iface/sta is not capable */ |
4299 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4300 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4301 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4302 | |
bdd90d5e | 4303 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4304 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4305 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4306 | return -EINVAL; |
bdd90d5e JB |
4307 | /* but don't bother the driver with it */ |
4308 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4309 | |
d582cffb JB |
4310 | /* allow authenticated/associated only if driver handles it */ |
4311 | if (!(rdev->wiphy.features & | |
4312 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4313 | params.sta_flags_mask & | |
4314 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4315 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4316 | return -EINVAL; | |
4317 | ||
bdd90d5e JB |
4318 | /* must be last in here for error handling */ |
4319 | params.vlan = get_vlan(info, rdev); | |
4320 | if (IS_ERR(params.vlan)) | |
4321 | return PTR_ERR(params.vlan); | |
4322 | break; | |
4323 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4324 | /* ignore uAPSD data */ |
4325 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4326 | ||
d582cffb JB |
4327 | /* associated is disallowed */ |
4328 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4329 | return -EINVAL; | |
bdd90d5e | 4330 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4331 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4332 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4333 | return -EINVAL; |
4334 | break; | |
4335 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4336 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4337 | /* ignore uAPSD data */ |
4338 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4339 | ||
77ee7c89 JB |
4340 | /* these are disallowed */ |
4341 | if (params.sta_flags_mask & | |
4342 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4343 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4344 | return -EINVAL; |
bdd90d5e JB |
4345 | /* Only TDLS peers can be added */ |
4346 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4347 | return -EINVAL; | |
4348 | /* Can only add if TDLS ... */ | |
4349 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4350 | return -EOPNOTSUPP; | |
4351 | /* ... with external setup is supported */ | |
4352 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4353 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4354 | /* |
4355 | * Older wpa_supplicant versions always mark the TDLS peer | |
4356 | * as authorized, but it shouldn't yet be. | |
4357 | */ | |
4358 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4359 | break; |
4360 | default: | |
4361 | return -EOPNOTSUPP; | |
c75786c9 EP |
4362 | } |
4363 | ||
bdd90d5e | 4364 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4365 | |
e35e4d28 | 4366 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4367 | |
5727ef1b JB |
4368 | if (params.vlan) |
4369 | dev_put(params.vlan); | |
5727ef1b JB |
4370 | return err; |
4371 | } | |
4372 | ||
4373 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4374 | { | |
4c476991 JB |
4375 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4376 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
4377 | u8 *mac_addr = NULL; |
4378 | ||
4379 | if (info->attrs[NL80211_ATTR_MAC]) | |
4380 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4381 | ||
e80cf853 | 4382 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4383 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4384 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4385 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4386 | return -EINVAL; | |
5727ef1b | 4387 | |
4c476991 JB |
4388 | if (!rdev->ops->del_station) |
4389 | return -EOPNOTSUPP; | |
3b85875a | 4390 | |
e35e4d28 | 4391 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
4392 | } |
4393 | ||
15e47304 | 4394 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4395 | int flags, struct net_device *dev, |
4396 | u8 *dst, u8 *next_hop, | |
4397 | struct mpath_info *pinfo) | |
4398 | { | |
4399 | void *hdr; | |
4400 | struct nlattr *pinfoattr; | |
4401 | ||
15e47304 | 4402 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
4403 | if (!hdr) |
4404 | return -1; | |
4405 | ||
9360ffd1 DM |
4406 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4407 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4408 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4409 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4410 | goto nla_put_failure; | |
f5ea9120 | 4411 | |
2ec600d6 LCC |
4412 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4413 | if (!pinfoattr) | |
4414 | goto nla_put_failure; | |
9360ffd1 DM |
4415 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4416 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4417 | pinfo->frame_qlen)) | |
4418 | goto nla_put_failure; | |
4419 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4420 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4421 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4422 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4423 | pinfo->metric)) || | |
4424 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4425 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4426 | pinfo->exptime)) || | |
4427 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4428 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4429 | pinfo->flags)) || | |
4430 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4431 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4432 | pinfo->discovery_timeout)) || | |
4433 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4434 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4435 | pinfo->discovery_retries))) | |
4436 | goto nla_put_failure; | |
2ec600d6 LCC |
4437 | |
4438 | nla_nest_end(msg, pinfoattr); | |
4439 | ||
4440 | return genlmsg_end(msg, hdr); | |
4441 | ||
4442 | nla_put_failure: | |
bc3ed28c TG |
4443 | genlmsg_cancel(msg, hdr); |
4444 | return -EMSGSIZE; | |
2ec600d6 LCC |
4445 | } |
4446 | ||
4447 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4448 | struct netlink_callback *cb) |
2ec600d6 | 4449 | { |
2ec600d6 | 4450 | struct mpath_info pinfo; |
1b8ec87a | 4451 | struct cfg80211_registered_device *rdev; |
97990a06 | 4452 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4453 | u8 dst[ETH_ALEN]; |
4454 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4455 | int path_idx = cb->args[2]; |
2ec600d6 | 4456 | int err; |
2ec600d6 | 4457 | |
1b8ec87a | 4458 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4459 | if (err) |
4460 | return err; | |
bba95fef | 4461 | |
1b8ec87a | 4462 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 4463 | err = -EOPNOTSUPP; |
bba95fef JB |
4464 | goto out_err; |
4465 | } | |
4466 | ||
97990a06 | 4467 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4468 | err = -EOPNOTSUPP; |
0448b5fc | 4469 | goto out_err; |
eec60b03 JM |
4470 | } |
4471 | ||
bba95fef | 4472 | while (1) { |
1b8ec87a | 4473 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 4474 | next_hop, &pinfo); |
bba95fef | 4475 | if (err == -ENOENT) |
2ec600d6 | 4476 | break; |
bba95fef | 4477 | if (err) |
3b85875a | 4478 | goto out_err; |
2ec600d6 | 4479 | |
15e47304 | 4480 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4481 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4482 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4483 | &pinfo) < 0) |
4484 | goto out; | |
2ec600d6 | 4485 | |
bba95fef | 4486 | path_idx++; |
2ec600d6 | 4487 | } |
2ec600d6 | 4488 | |
2ec600d6 | 4489 | |
bba95fef | 4490 | out: |
97990a06 | 4491 | cb->args[2] = path_idx; |
bba95fef | 4492 | err = skb->len; |
bba95fef | 4493 | out_err: |
1b8ec87a | 4494 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 4495 | return err; |
2ec600d6 LCC |
4496 | } |
4497 | ||
4498 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4499 | { | |
4c476991 | 4500 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4501 | int err; |
4c476991 | 4502 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4503 | struct mpath_info pinfo; |
4504 | struct sk_buff *msg; | |
4505 | u8 *dst = NULL; | |
4506 | u8 next_hop[ETH_ALEN]; | |
4507 | ||
4508 | memset(&pinfo, 0, sizeof(pinfo)); | |
4509 | ||
4510 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4511 | return -EINVAL; | |
4512 | ||
4513 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4514 | ||
4c476991 JB |
4515 | if (!rdev->ops->get_mpath) |
4516 | return -EOPNOTSUPP; | |
2ec600d6 | 4517 | |
4c476991 JB |
4518 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4519 | return -EOPNOTSUPP; | |
eec60b03 | 4520 | |
e35e4d28 | 4521 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4522 | if (err) |
4c476991 | 4523 | return err; |
2ec600d6 | 4524 | |
fd2120ca | 4525 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4526 | if (!msg) |
4c476991 | 4527 | return -ENOMEM; |
2ec600d6 | 4528 | |
15e47304 | 4529 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4530 | dev, dst, next_hop, &pinfo) < 0) { |
4531 | nlmsg_free(msg); | |
4532 | return -ENOBUFS; | |
4533 | } | |
3b85875a | 4534 | |
4c476991 | 4535 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4536 | } |
4537 | ||
4538 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4539 | { | |
4c476991 JB |
4540 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4541 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4542 | u8 *dst = NULL; |
4543 | u8 *next_hop = NULL; | |
4544 | ||
4545 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4546 | return -EINVAL; | |
4547 | ||
4548 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4549 | return -EINVAL; | |
4550 | ||
4551 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4552 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4553 | ||
4c476991 JB |
4554 | if (!rdev->ops->change_mpath) |
4555 | return -EOPNOTSUPP; | |
35a8efe1 | 4556 | |
4c476991 JB |
4557 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4558 | return -EOPNOTSUPP; | |
2ec600d6 | 4559 | |
e35e4d28 | 4560 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4561 | } |
4c476991 | 4562 | |
2ec600d6 LCC |
4563 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4564 | { | |
4c476991 JB |
4565 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4566 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4567 | u8 *dst = NULL; |
4568 | u8 *next_hop = NULL; | |
4569 | ||
4570 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4571 | return -EINVAL; | |
4572 | ||
4573 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4574 | return -EINVAL; | |
4575 | ||
4576 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4577 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4578 | ||
4c476991 JB |
4579 | if (!rdev->ops->add_mpath) |
4580 | return -EOPNOTSUPP; | |
35a8efe1 | 4581 | |
4c476991 JB |
4582 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4583 | return -EOPNOTSUPP; | |
2ec600d6 | 4584 | |
e35e4d28 | 4585 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4586 | } |
4587 | ||
4588 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4589 | { | |
4c476991 JB |
4590 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4591 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4592 | u8 *dst = NULL; |
4593 | ||
4594 | if (info->attrs[NL80211_ATTR_MAC]) | |
4595 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4596 | ||
4c476991 JB |
4597 | if (!rdev->ops->del_mpath) |
4598 | return -EOPNOTSUPP; | |
3b85875a | 4599 | |
e35e4d28 | 4600 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4601 | } |
4602 | ||
9f1ba906 JM |
4603 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4604 | { | |
4c476991 JB |
4605 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4606 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 4607 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 4608 | struct bss_parameters params; |
c56589ed | 4609 | int err; |
9f1ba906 JM |
4610 | |
4611 | memset(¶ms, 0, sizeof(params)); | |
4612 | /* default to not changing parameters */ | |
4613 | params.use_cts_prot = -1; | |
4614 | params.use_short_preamble = -1; | |
4615 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4616 | params.ap_isolate = -1; |
50b12f59 | 4617 | params.ht_opmode = -1; |
53cabad7 JB |
4618 | params.p2p_ctwindow = -1; |
4619 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4620 | |
4621 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4622 | params.use_cts_prot = | |
4623 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4624 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4625 | params.use_short_preamble = | |
4626 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4627 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4628 | params.use_short_slot_time = | |
4629 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4630 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4631 | params.basic_rates = | |
4632 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4633 | params.basic_rates_len = | |
4634 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4635 | } | |
fd8aaaf3 FF |
4636 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4637 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4638 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4639 | params.ht_opmode = | |
4640 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4641 | |
53cabad7 JB |
4642 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4643 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4644 | return -EINVAL; | |
4645 | params.p2p_ctwindow = | |
4646 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4647 | if (params.p2p_ctwindow < 0) | |
4648 | return -EINVAL; | |
4649 | if (params.p2p_ctwindow != 0 && | |
4650 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4651 | return -EINVAL; | |
4652 | } | |
4653 | ||
4654 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4655 | u8 tmp; | |
4656 | ||
4657 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4658 | return -EINVAL; | |
4659 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4660 | if (tmp > 1) | |
4661 | return -EINVAL; | |
4662 | params.p2p_opp_ps = tmp; | |
4663 | if (params.p2p_opp_ps && | |
4664 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4665 | return -EINVAL; | |
4666 | } | |
4667 | ||
4c476991 JB |
4668 | if (!rdev->ops->change_bss) |
4669 | return -EOPNOTSUPP; | |
9f1ba906 | 4670 | |
074ac8df | 4671 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4672 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4673 | return -EOPNOTSUPP; | |
3b85875a | 4674 | |
c56589ed SW |
4675 | wdev_lock(wdev); |
4676 | err = rdev_change_bss(rdev, dev, ¶ms); | |
4677 | wdev_unlock(wdev); | |
4678 | ||
4679 | return err; | |
9f1ba906 JM |
4680 | } |
4681 | ||
b54452b0 | 4682 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4683 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4684 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4685 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4686 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4687 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4688 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
089027e5 | 4689 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, |
b2e1b302 LR |
4690 | }; |
4691 | ||
4692 | static int parse_reg_rule(struct nlattr *tb[], | |
4693 | struct ieee80211_reg_rule *reg_rule) | |
4694 | { | |
4695 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4696 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4697 | ||
4698 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4699 | return -EINVAL; | |
4700 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4701 | return -EINVAL; | |
4702 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4703 | return -EINVAL; | |
b0dfd2ea JD |
4704 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) |
4705 | return -EINVAL; | |
b2e1b302 LR |
4706 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) |
4707 | return -EINVAL; | |
4708 | ||
4709 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4710 | ||
4711 | freq_range->start_freq_khz = | |
4712 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4713 | freq_range->end_freq_khz = | |
4714 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
b0dfd2ea JD |
4715 | freq_range->max_bandwidth_khz = |
4716 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
b2e1b302 LR |
4717 | |
4718 | power_rule->max_eirp = | |
4719 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4720 | ||
4721 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4722 | power_rule->max_antenna_gain = | |
4723 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4724 | ||
089027e5 JD |
4725 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) |
4726 | reg_rule->dfs_cac_ms = | |
4727 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
4728 | ||
b2e1b302 LR |
4729 | return 0; |
4730 | } | |
4731 | ||
4732 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4733 | { | |
b2e1b302 | 4734 | char *data = NULL; |
57b5ce07 | 4735 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4736 | |
80778f18 LR |
4737 | /* |
4738 | * You should only get this when cfg80211 hasn't yet initialized | |
4739 | * completely when built-in to the kernel right between the time | |
4740 | * window between nl80211_init() and regulatory_init(), if that is | |
4741 | * even possible. | |
4742 | */ | |
458f4f9e | 4743 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4744 | return -EINPROGRESS; |
80778f18 | 4745 | |
57b5ce07 LR |
4746 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4747 | user_reg_hint_type = | |
4748 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4749 | else | |
4750 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4751 | ||
4752 | switch (user_reg_hint_type) { | |
4753 | case NL80211_USER_REG_HINT_USER: | |
4754 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
4755 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4756 | return -EINVAL; | |
4757 | ||
4758 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4759 | return regulatory_hint_user(data, user_reg_hint_type); | |
4760 | case NL80211_USER_REG_HINT_INDOOR: | |
4761 | return regulatory_hint_indoor_user(); | |
57b5ce07 LR |
4762 | default: |
4763 | return -EINVAL; | |
4764 | } | |
b2e1b302 LR |
4765 | } |
4766 | ||
24bdd9f4 | 4767 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4768 | struct genl_info *info) |
93da9cc1 | 4769 | { |
4c476991 | 4770 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4771 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4772 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4773 | struct mesh_config cur_params; | |
4774 | int err = 0; | |
93da9cc1 | 4775 | void *hdr; |
4776 | struct nlattr *pinfoattr; | |
4777 | struct sk_buff *msg; | |
4778 | ||
29cbe68c JB |
4779 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4780 | return -EOPNOTSUPP; | |
4781 | ||
24bdd9f4 | 4782 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4783 | return -EOPNOTSUPP; |
f3f92586 | 4784 | |
29cbe68c JB |
4785 | wdev_lock(wdev); |
4786 | /* If not connected, get default parameters */ | |
4787 | if (!wdev->mesh_id_len) | |
4788 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4789 | else | |
e35e4d28 | 4790 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4791 | wdev_unlock(wdev); |
4792 | ||
93da9cc1 | 4793 | if (err) |
4c476991 | 4794 | return err; |
93da9cc1 | 4795 | |
4796 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4797 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4798 | if (!msg) |
4799 | return -ENOMEM; | |
15e47304 | 4800 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4801 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4802 | if (!hdr) |
efe1cf0c | 4803 | goto out; |
24bdd9f4 | 4804 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4805 | if (!pinfoattr) |
4806 | goto nla_put_failure; | |
9360ffd1 DM |
4807 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4808 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4809 | cur_params.dot11MeshRetryTimeout) || | |
4810 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4811 | cur_params.dot11MeshConfirmTimeout) || | |
4812 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4813 | cur_params.dot11MeshHoldingTimeout) || | |
4814 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4815 | cur_params.dot11MeshMaxPeerLinks) || | |
4816 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4817 | cur_params.dot11MeshMaxRetries) || | |
4818 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4819 | cur_params.dot11MeshTTL) || | |
4820 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4821 | cur_params.element_ttl) || | |
4822 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4823 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4824 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4825 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4826 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4827 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4828 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4829 | cur_params.path_refresh_time) || | |
4830 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4831 | cur_params.min_discovery_timeout) || | |
4832 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4833 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4834 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4835 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4836 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4837 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4838 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4839 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4840 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4841 | cur_params.dot11MeshHWMPRootMode) || | |
4842 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4843 | cur_params.dot11MeshHWMPRannInterval) || | |
4844 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4845 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4846 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4847 | cur_params.dot11MeshForwarding) || | |
4848 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4849 | cur_params.rssi_threshold) || |
4850 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4851 | cur_params.ht_opmode) || |
4852 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4853 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4854 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4855 | cur_params.dot11MeshHWMProotInterval) || |
4856 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4857 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4858 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4859 | cur_params.power_mode) || | |
4860 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
4861 | cur_params.dot11MeshAwakeWindowDuration) || |
4862 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4863 | cur_params.plink_timeout)) | |
9360ffd1 | 4864 | goto nla_put_failure; |
93da9cc1 | 4865 | nla_nest_end(msg, pinfoattr); |
4866 | genlmsg_end(msg, hdr); | |
4c476991 | 4867 | return genlmsg_reply(msg, info); |
93da9cc1 | 4868 | |
3b85875a | 4869 | nla_put_failure: |
93da9cc1 | 4870 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4871 | out: |
d080e275 | 4872 | nlmsg_free(msg); |
4c476991 | 4873 | return -ENOBUFS; |
93da9cc1 | 4874 | } |
4875 | ||
b54452b0 | 4876 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4877 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4878 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4879 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4880 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4881 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4882 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4883 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4884 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4885 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4886 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4887 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4888 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4889 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4890 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4891 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4892 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4893 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4894 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4895 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4896 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4897 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4898 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4899 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4900 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4901 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4902 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4903 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 4904 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 4905 | }; |
4906 | ||
c80d545d JC |
4907 | static const struct nla_policy |
4908 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4909 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4910 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4911 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4912 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 4913 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 4914 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 4915 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4916 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4917 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4918 | }; |
4919 | ||
24bdd9f4 | 4920 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4921 | struct mesh_config *cfg, |
4922 | u32 *mask_out) | |
93da9cc1 | 4923 | { |
93da9cc1 | 4924 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4925 | u32 mask = 0; |
93da9cc1 | 4926 | |
ea54fba2 MP |
4927 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4928 | do { \ | |
4929 | if (tb[attr]) { \ | |
4930 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4931 | return -EINVAL; \ | |
4932 | cfg->param = fn(tb[attr]); \ | |
4933 | mask |= (1 << (attr - 1)); \ | |
4934 | } \ | |
4935 | } while (0) | |
bd90fdcc JB |
4936 | |
4937 | ||
24bdd9f4 | 4938 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4939 | return -EINVAL; |
4940 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4941 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4942 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4943 | return -EINVAL; |
4944 | ||
93da9cc1 | 4945 | /* This makes sure that there aren't more than 32 mesh config |
4946 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4947 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4948 | ||
4949 | /* Fill in the params struct */ | |
ea54fba2 | 4950 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4951 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4952 | nla_get_u16); | |
ea54fba2 | 4953 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4954 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4955 | nla_get_u16); | |
ea54fba2 | 4956 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4957 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4958 | nla_get_u16); | |
ea54fba2 | 4959 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4960 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4961 | nla_get_u16); | |
ea54fba2 | 4962 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4963 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4964 | nla_get_u8); | |
ea54fba2 | 4965 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4966 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4967 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4968 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4969 | nla_get_u8); | |
ea54fba2 | 4970 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4971 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4972 | nla_get_u8); | |
ea54fba2 MP |
4973 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4974 | 1, 255, mask, | |
a4f606ea CYY |
4975 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4976 | nla_get_u32); | |
ea54fba2 | 4977 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4978 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4979 | nla_get_u8); | |
ea54fba2 | 4980 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4981 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4982 | nla_get_u32); | |
ea54fba2 | 4983 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4984 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4985 | nla_get_u16); | |
ea54fba2 MP |
4986 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4987 | 1, 65535, mask, | |
a4f606ea CYY |
4988 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4989 | nla_get_u32); | |
93da9cc1 | 4990 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4991 | 1, 65535, mask, |
4992 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4993 | nla_get_u16); |
dca7e943 | 4994 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4995 | 1, 65535, mask, |
4996 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4997 | nla_get_u16); |
93da9cc1 | 4998 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4999 | dot11MeshHWMPnetDiameterTraversalTime, |
5000 | 1, 65535, mask, | |
a4f606ea CYY |
5001 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
5002 | nla_get_u16); | |
ea54fba2 MP |
5003 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5004 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5005 | nla_get_u8); | |
5006 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
5007 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 5008 | nla_get_u16); |
63c5723b | 5009 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5010 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5011 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 5012 | nla_get_u8); |
ea54fba2 | 5013 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
5014 | mask, NL80211_MESHCONF_FORWARDING, |
5015 | nla_get_u8); | |
83374fe9 | 5016 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5017 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 5018 | nla_get_s32); |
ea54fba2 | 5019 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 5020 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
5021 | nla_get_u16); |
5022 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 5023 | 1, 65535, mask, |
ac1073a6 CYY |
5024 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
5025 | nla_get_u32); | |
ea54fba2 | 5026 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5027 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
5028 | nla_get_u16); |
5029 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
5030 | dot11MeshHWMPconfirmationInterval, |
5031 | 1, 65535, mask, | |
728b19e5 | 5032 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 5033 | nla_get_u16); |
3b1c5a53 MP |
5034 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5035 | NL80211_MESH_POWER_ACTIVE, | |
5036 | NL80211_MESH_POWER_MAX, | |
5037 | mask, NL80211_MESHCONF_POWER_MODE, | |
5038 | nla_get_u32); | |
5039 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
5040 | 0, 65535, mask, | |
5041 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
5042 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
5043 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5044 | nla_get_u32); | |
bd90fdcc JB |
5045 | if (mask_out) |
5046 | *mask_out = mask; | |
c80d545d | 5047 | |
bd90fdcc JB |
5048 | return 0; |
5049 | ||
5050 | #undef FILL_IN_MESH_PARAM_IF_SET | |
5051 | } | |
5052 | ||
c80d545d JC |
5053 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
5054 | struct mesh_setup *setup) | |
5055 | { | |
bb2798d4 | 5056 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
5057 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
5058 | ||
5059 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
5060 | return -EINVAL; | |
5061 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
5062 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
5063 | nl80211_mesh_setup_params_policy)) | |
5064 | return -EINVAL; | |
5065 | ||
d299a1f2 JC |
5066 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
5067 | setup->sync_method = | |
5068 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
5069 | IEEE80211_SYNC_METHOD_VENDOR : | |
5070 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5071 | ||
c80d545d JC |
5072 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5073 | setup->path_sel_proto = | |
5074 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5075 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5076 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5077 | ||
5078 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5079 | setup->path_metric = | |
5080 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5081 | IEEE80211_PATH_METRIC_VENDOR : | |
5082 | IEEE80211_PATH_METRIC_AIRTIME; | |
5083 | ||
581a8b0f JC |
5084 | |
5085 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 5086 | struct nlattr *ieattr = |
581a8b0f | 5087 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5088 | if (!is_valid_ie_attr(ieattr)) |
5089 | return -EINVAL; | |
581a8b0f JC |
5090 | setup->ie = nla_data(ieattr); |
5091 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5092 | } |
bb2798d4 TP |
5093 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5094 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5095 | return -EINVAL; | |
5096 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5097 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5098 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5099 | if (setup->is_secure) |
5100 | setup->user_mpm = true; | |
c80d545d | 5101 | |
6e16d90b CT |
5102 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5103 | if (!setup->user_mpm) | |
5104 | return -EINVAL; | |
5105 | setup->auth_id = | |
5106 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5107 | } | |
5108 | ||
c80d545d JC |
5109 | return 0; |
5110 | } | |
5111 | ||
24bdd9f4 | 5112 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5113 | struct genl_info *info) |
bd90fdcc JB |
5114 | { |
5115 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5116 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5117 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5118 | struct mesh_config cfg; |
5119 | u32 mask; | |
5120 | int err; | |
5121 | ||
29cbe68c JB |
5122 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5123 | return -EOPNOTSUPP; | |
5124 | ||
24bdd9f4 | 5125 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5126 | return -EOPNOTSUPP; |
5127 | ||
24bdd9f4 | 5128 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5129 | if (err) |
5130 | return err; | |
5131 | ||
29cbe68c JB |
5132 | wdev_lock(wdev); |
5133 | if (!wdev->mesh_id_len) | |
5134 | err = -ENOLINK; | |
5135 | ||
5136 | if (!err) | |
e35e4d28 | 5137 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5138 | |
5139 | wdev_unlock(wdev); | |
5140 | ||
5141 | return err; | |
93da9cc1 | 5142 | } |
5143 | ||
f130347c LR |
5144 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
5145 | { | |
458f4f9e | 5146 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
5147 | struct sk_buff *msg; |
5148 | void *hdr = NULL; | |
5149 | struct nlattr *nl_reg_rules; | |
5150 | unsigned int i; | |
f130347c LR |
5151 | |
5152 | if (!cfg80211_regdomain) | |
5fe231e8 | 5153 | return -EINVAL; |
f130347c | 5154 | |
fd2120ca | 5155 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
5fe231e8 JB |
5156 | if (!msg) |
5157 | return -ENOBUFS; | |
f130347c | 5158 | |
15e47304 | 5159 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
5160 | NL80211_CMD_GET_REG); |
5161 | if (!hdr) | |
efe1cf0c | 5162 | goto put_failure; |
f130347c | 5163 | |
57b5ce07 LR |
5164 | if (reg_last_request_cell_base() && |
5165 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5166 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5167 | goto nla_put_failure; | |
5168 | ||
458f4f9e JB |
5169 | rcu_read_lock(); |
5170 | regdom = rcu_dereference(cfg80211_regdomain); | |
5171 | ||
5172 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
5173 | (regdom->dfs_region && | |
5174 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
5175 | goto nla_put_failure_rcu; | |
5176 | ||
f130347c LR |
5177 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5178 | if (!nl_reg_rules) | |
458f4f9e | 5179 | goto nla_put_failure_rcu; |
f130347c | 5180 | |
458f4f9e | 5181 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5182 | struct nlattr *nl_reg_rule; |
5183 | const struct ieee80211_reg_rule *reg_rule; | |
5184 | const struct ieee80211_freq_range *freq_range; | |
5185 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 5186 | unsigned int max_bandwidth_khz; |
f130347c | 5187 | |
458f4f9e | 5188 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5189 | freq_range = ®_rule->freq_range; |
5190 | power_rule = ®_rule->power_rule; | |
5191 | ||
5192 | nl_reg_rule = nla_nest_start(msg, i); | |
5193 | if (!nl_reg_rule) | |
458f4f9e | 5194 | goto nla_put_failure_rcu; |
f130347c | 5195 | |
97524820 JD |
5196 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
5197 | if (!max_bandwidth_khz) | |
5198 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
5199 | reg_rule); | |
5200 | ||
9360ffd1 DM |
5201 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5202 | reg_rule->flags) || | |
5203 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5204 | freq_range->start_freq_khz) || | |
5205 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5206 | freq_range->end_freq_khz) || | |
5207 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 5208 | max_bandwidth_khz) || |
9360ffd1 DM |
5209 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
5210 | power_rule->max_antenna_gain) || | |
5211 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
5212 | power_rule->max_eirp) || |
5213 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
5214 | reg_rule->dfs_cac_ms)) | |
458f4f9e | 5215 | goto nla_put_failure_rcu; |
f130347c LR |
5216 | |
5217 | nla_nest_end(msg, nl_reg_rule); | |
5218 | } | |
458f4f9e | 5219 | rcu_read_unlock(); |
f130347c LR |
5220 | |
5221 | nla_nest_end(msg, nl_reg_rules); | |
5222 | ||
5223 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5224 | return genlmsg_reply(msg, info); |
f130347c | 5225 | |
458f4f9e JB |
5226 | nla_put_failure_rcu: |
5227 | rcu_read_unlock(); | |
f130347c LR |
5228 | nla_put_failure: |
5229 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5230 | put_failure: |
d080e275 | 5231 | nlmsg_free(msg); |
5fe231e8 | 5232 | return -EMSGSIZE; |
f130347c LR |
5233 | } |
5234 | ||
b2e1b302 LR |
5235 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5236 | { | |
5237 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5238 | struct nlattr *nl_reg_rule; | |
5239 | char *alpha2 = NULL; | |
5240 | int rem_reg_rules = 0, r = 0; | |
5241 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
4c7d3982 | 5242 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
b2e1b302 LR |
5243 | struct ieee80211_regdomain *rd = NULL; |
5244 | ||
5245 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5246 | return -EINVAL; | |
5247 | ||
5248 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5249 | return -EINVAL; | |
5250 | ||
5251 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5252 | ||
8b60b078 LR |
5253 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5254 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5255 | ||
b2e1b302 | 5256 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5257 | rem_reg_rules) { |
b2e1b302 LR |
5258 | num_rules++; |
5259 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5260 | return -EINVAL; |
b2e1b302 LR |
5261 | } |
5262 | ||
e438768f LR |
5263 | if (!reg_is_valid_request(alpha2)) |
5264 | return -EINVAL; | |
5265 | ||
b2e1b302 | 5266 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5267 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5268 | |
5269 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5270 | if (!rd) |
5271 | return -ENOMEM; | |
b2e1b302 LR |
5272 | |
5273 | rd->n_reg_rules = num_rules; | |
5274 | rd->alpha2[0] = alpha2[0]; | |
5275 | rd->alpha2[1] = alpha2[1]; | |
5276 | ||
8b60b078 LR |
5277 | /* |
5278 | * Disable DFS master mode if the DFS region was | |
5279 | * not supported or known on this kernel. | |
5280 | */ | |
5281 | if (reg_supported_dfs_region(dfs_region)) | |
5282 | rd->dfs_region = dfs_region; | |
5283 | ||
b2e1b302 | 5284 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5285 | rem_reg_rules) { |
ae811e21 JB |
5286 | r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
5287 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
5288 | reg_rule_policy); | |
5289 | if (r) | |
5290 | goto bad_reg; | |
b2e1b302 LR |
5291 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5292 | if (r) | |
5293 | goto bad_reg; | |
5294 | ||
5295 | rule_idx++; | |
5296 | ||
d0e18f83 LR |
5297 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5298 | r = -EINVAL; | |
b2e1b302 | 5299 | goto bad_reg; |
d0e18f83 | 5300 | } |
b2e1b302 LR |
5301 | } |
5302 | ||
b2e1b302 | 5303 | r = set_regdom(rd); |
6913b49a | 5304 | /* set_regdom took ownership */ |
1a919318 | 5305 | rd = NULL; |
b2e1b302 | 5306 | |
d2372b31 | 5307 | bad_reg: |
b2e1b302 | 5308 | kfree(rd); |
d0e18f83 | 5309 | return r; |
b2e1b302 LR |
5310 | } |
5311 | ||
83f5e2cf JB |
5312 | static int validate_scan_freqs(struct nlattr *freqs) |
5313 | { | |
5314 | struct nlattr *attr1, *attr2; | |
5315 | int n_channels = 0, tmp1, tmp2; | |
5316 | ||
5317 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5318 | n_channels++; | |
5319 | /* | |
5320 | * Some hardware has a limited channel list for | |
5321 | * scanning, and it is pretty much nonsensical | |
5322 | * to scan for a channel twice, so disallow that | |
5323 | * and don't require drivers to check that the | |
5324 | * channel list they get isn't longer than what | |
5325 | * they can scan, as long as they can scan all | |
5326 | * the channels they registered at once. | |
5327 | */ | |
5328 | nla_for_each_nested(attr2, freqs, tmp2) | |
5329 | if (attr1 != attr2 && | |
5330 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5331 | return 0; | |
5332 | } | |
5333 | ||
5334 | return n_channels; | |
5335 | } | |
5336 | ||
2a519311 JB |
5337 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5338 | { | |
4c476991 | 5339 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5340 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5341 | struct cfg80211_scan_request *request; |
2a519311 JB |
5342 | struct nlattr *attr; |
5343 | struct wiphy *wiphy; | |
83f5e2cf | 5344 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5345 | size_t ie_len; |
2a519311 | 5346 | |
f4a11bb0 JB |
5347 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5348 | return -EINVAL; | |
5349 | ||
79c97e97 | 5350 | wiphy = &rdev->wiphy; |
2a519311 | 5351 | |
4c476991 JB |
5352 | if (!rdev->ops->scan) |
5353 | return -EOPNOTSUPP; | |
2a519311 | 5354 | |
f9d15d16 | 5355 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
5356 | err = -EBUSY; |
5357 | goto unlock; | |
5358 | } | |
2a519311 JB |
5359 | |
5360 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5361 | n_channels = validate_scan_freqs( |
5362 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5363 | if (!n_channels) { |
5364 | err = -EINVAL; | |
5365 | goto unlock; | |
5366 | } | |
2a519311 | 5367 | } else { |
bdfbec2d | 5368 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
5369 | } |
5370 | ||
5371 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5372 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5373 | n_ssids++; | |
5374 | ||
f9f47529 JB |
5375 | if (n_ssids > wiphy->max_scan_ssids) { |
5376 | err = -EINVAL; | |
5377 | goto unlock; | |
5378 | } | |
2a519311 | 5379 | |
70692ad2 JM |
5380 | if (info->attrs[NL80211_ATTR_IE]) |
5381 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5382 | else | |
5383 | ie_len = 0; | |
5384 | ||
f9f47529 JB |
5385 | if (ie_len > wiphy->max_scan_ie_len) { |
5386 | err = -EINVAL; | |
5387 | goto unlock; | |
5388 | } | |
18a83659 | 5389 | |
2a519311 | 5390 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5391 | + sizeof(*request->ssids) * n_ssids |
5392 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5393 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5394 | if (!request) { |
5395 | err = -ENOMEM; | |
5396 | goto unlock; | |
5397 | } | |
2a519311 | 5398 | |
2a519311 | 5399 | if (n_ssids) |
5ba63533 | 5400 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5401 | request->n_ssids = n_ssids; |
70692ad2 JM |
5402 | if (ie_len) { |
5403 | if (request->ssids) | |
5404 | request->ie = (void *)(request->ssids + n_ssids); | |
5405 | else | |
5406 | request->ie = (void *)(request->channels + n_channels); | |
5407 | } | |
2a519311 | 5408 | |
584991dc | 5409 | i = 0; |
2a519311 JB |
5410 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5411 | /* user specified, bail out if channel not found */ | |
2a519311 | 5412 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5413 | struct ieee80211_channel *chan; |
5414 | ||
5415 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5416 | ||
5417 | if (!chan) { | |
2a519311 JB |
5418 | err = -EINVAL; |
5419 | goto out_free; | |
5420 | } | |
584991dc JB |
5421 | |
5422 | /* ignore disabled channels */ | |
5423 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5424 | continue; | |
5425 | ||
5426 | request->channels[i] = chan; | |
2a519311 JB |
5427 | i++; |
5428 | } | |
5429 | } else { | |
34850ab2 JB |
5430 | enum ieee80211_band band; |
5431 | ||
2a519311 | 5432 | /* all channels */ |
2a519311 JB |
5433 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5434 | int j; | |
5435 | if (!wiphy->bands[band]) | |
5436 | continue; | |
5437 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5438 | struct ieee80211_channel *chan; |
5439 | ||
5440 | chan = &wiphy->bands[band]->channels[j]; | |
5441 | ||
5442 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5443 | continue; | |
5444 | ||
5445 | request->channels[i] = chan; | |
2a519311 JB |
5446 | i++; |
5447 | } | |
5448 | } | |
5449 | } | |
5450 | ||
584991dc JB |
5451 | if (!i) { |
5452 | err = -EINVAL; | |
5453 | goto out_free; | |
5454 | } | |
5455 | ||
5456 | request->n_channels = i; | |
5457 | ||
2a519311 JB |
5458 | i = 0; |
5459 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5460 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5461 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5462 | err = -EINVAL; |
5463 | goto out_free; | |
5464 | } | |
57a27e1d | 5465 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5466 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5467 | i++; |
5468 | } | |
5469 | } | |
5470 | ||
70692ad2 JM |
5471 | if (info->attrs[NL80211_ATTR_IE]) { |
5472 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5473 | memcpy((void *)request->ie, |
5474 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5475 | request->ie_len); |
5476 | } | |
5477 | ||
34850ab2 | 5478 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5479 | if (wiphy->bands[i]) |
5480 | request->rates[i] = | |
5481 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5482 | |
5483 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5484 | nla_for_each_nested(attr, | |
5485 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5486 | tmp) { | |
5487 | enum ieee80211_band band = nla_type(attr); | |
5488 | ||
84404623 | 5489 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5490 | err = -EINVAL; |
5491 | goto out_free; | |
5492 | } | |
1b09cd82 FF |
5493 | |
5494 | if (!wiphy->bands[band]) | |
5495 | continue; | |
5496 | ||
34850ab2 JB |
5497 | err = ieee80211_get_ratemask(wiphy->bands[band], |
5498 | nla_data(attr), | |
5499 | nla_len(attr), | |
5500 | &request->rates[band]); | |
5501 | if (err) | |
5502 | goto out_free; | |
5503 | } | |
5504 | } | |
5505 | ||
46856bbf | 5506 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5507 | request->flags = nla_get_u32( |
5508 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5509 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5510 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5511 | err = -EOPNOTSUPP; |
5512 | goto out_free; | |
5513 | } | |
5514 | } | |
ed473771 | 5515 | |
e9f935e3 RM |
5516 | request->no_cck = |
5517 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5518 | ||
fd014284 | 5519 | request->wdev = wdev; |
79c97e97 | 5520 | request->wiphy = &rdev->wiphy; |
15d6030b | 5521 | request->scan_start = jiffies; |
2a519311 | 5522 | |
79c97e97 | 5523 | rdev->scan_req = request; |
e35e4d28 | 5524 | err = rdev_scan(rdev, request); |
2a519311 | 5525 | |
463d0183 | 5526 | if (!err) { |
fd014284 JB |
5527 | nl80211_send_scan_start(rdev, wdev); |
5528 | if (wdev->netdev) | |
5529 | dev_hold(wdev->netdev); | |
4c476991 | 5530 | } else { |
2a519311 | 5531 | out_free: |
79c97e97 | 5532 | rdev->scan_req = NULL; |
2a519311 JB |
5533 | kfree(request); |
5534 | } | |
3b85875a | 5535 | |
f9f47529 | 5536 | unlock: |
2a519311 JB |
5537 | return err; |
5538 | } | |
5539 | ||
807f8a8c LC |
5540 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5541 | struct genl_info *info) | |
5542 | { | |
5543 | struct cfg80211_sched_scan_request *request; | |
5544 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5545 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5546 | struct nlattr *attr; |
5547 | struct wiphy *wiphy; | |
a1f1c21c | 5548 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5549 | u32 interval; |
807f8a8c LC |
5550 | enum ieee80211_band band; |
5551 | size_t ie_len; | |
a1f1c21c | 5552 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 5553 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c LC |
5554 | |
5555 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5556 | !rdev->ops->sched_scan_start) | |
5557 | return -EOPNOTSUPP; | |
5558 | ||
5559 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5560 | return -EINVAL; | |
5561 | ||
bbe6ad6d LC |
5562 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5563 | return -EINVAL; | |
5564 | ||
5565 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5566 | if (interval == 0) | |
5567 | return -EINVAL; | |
5568 | ||
807f8a8c LC |
5569 | wiphy = &rdev->wiphy; |
5570 | ||
5571 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5572 | n_channels = validate_scan_freqs( | |
5573 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5574 | if (!n_channels) | |
5575 | return -EINVAL; | |
5576 | } else { | |
bdfbec2d | 5577 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
5578 | } |
5579 | ||
5580 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5581 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5582 | tmp) | |
5583 | n_ssids++; | |
5584 | ||
93b6aa69 | 5585 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5586 | return -EINVAL; |
5587 | ||
ea73cbce JB |
5588 | /* |
5589 | * First, count the number of 'real' matchsets. Due to an issue with | |
5590 | * the old implementation, matchsets containing only the RSSI attribute | |
5591 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
5592 | * RSSI for all matchsets, rather than their own matchset for reporting | |
5593 | * all APs with a strong RSSI. This is needed to be compatible with | |
5594 | * older userspace that treated a matchset with only the RSSI as the | |
5595 | * global RSSI for all other matchsets - if there are other matchsets. | |
5596 | */ | |
5597 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
a1f1c21c LC |
5598 | nla_for_each_nested(attr, |
5599 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
ea73cbce JB |
5600 | tmp) { |
5601 | struct nlattr *rssi; | |
5602 | ||
5603 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5604 | nla_data(attr), nla_len(attr), | |
5605 | nl80211_match_policy); | |
5606 | if (err) | |
5607 | return err; | |
5608 | /* add other standalone attributes here */ | |
5609 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
5610 | n_match_sets++; | |
5611 | continue; | |
5612 | } | |
5613 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
5614 | if (rssi) | |
5615 | default_match_rssi = nla_get_s32(rssi); | |
5616 | } | |
5617 | } | |
5618 | ||
5619 | /* However, if there's no other matchset, add the RSSI one */ | |
5620 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
5621 | n_match_sets = 1; | |
a1f1c21c LC |
5622 | |
5623 | if (n_match_sets > wiphy->max_match_sets) | |
5624 | return -EINVAL; | |
5625 | ||
807f8a8c LC |
5626 | if (info->attrs[NL80211_ATTR_IE]) |
5627 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5628 | else | |
5629 | ie_len = 0; | |
5630 | ||
5a865bad | 5631 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5632 | return -EINVAL; |
5633 | ||
c10841ca LC |
5634 | if (rdev->sched_scan_req) { |
5635 | err = -EINPROGRESS; | |
5636 | goto out; | |
5637 | } | |
5638 | ||
807f8a8c | 5639 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5640 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5641 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5642 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5643 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5644 | if (!request) { |
5645 | err = -ENOMEM; | |
5646 | goto out; | |
5647 | } | |
807f8a8c LC |
5648 | |
5649 | if (n_ssids) | |
5650 | request->ssids = (void *)&request->channels[n_channels]; | |
5651 | request->n_ssids = n_ssids; | |
5652 | if (ie_len) { | |
5653 | if (request->ssids) | |
5654 | request->ie = (void *)(request->ssids + n_ssids); | |
5655 | else | |
5656 | request->ie = (void *)(request->channels + n_channels); | |
5657 | } | |
5658 | ||
a1f1c21c LC |
5659 | if (n_match_sets) { |
5660 | if (request->ie) | |
5661 | request->match_sets = (void *)(request->ie + ie_len); | |
5662 | else if (request->ssids) | |
5663 | request->match_sets = | |
5664 | (void *)(request->ssids + n_ssids); | |
5665 | else | |
5666 | request->match_sets = | |
5667 | (void *)(request->channels + n_channels); | |
5668 | } | |
5669 | request->n_match_sets = n_match_sets; | |
5670 | ||
807f8a8c LC |
5671 | i = 0; |
5672 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5673 | /* user specified, bail out if channel not found */ | |
5674 | nla_for_each_nested(attr, | |
5675 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5676 | tmp) { | |
5677 | struct ieee80211_channel *chan; | |
5678 | ||
5679 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5680 | ||
5681 | if (!chan) { | |
5682 | err = -EINVAL; | |
5683 | goto out_free; | |
5684 | } | |
5685 | ||
5686 | /* ignore disabled channels */ | |
5687 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5688 | continue; | |
5689 | ||
5690 | request->channels[i] = chan; | |
5691 | i++; | |
5692 | } | |
5693 | } else { | |
5694 | /* all channels */ | |
5695 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5696 | int j; | |
5697 | if (!wiphy->bands[band]) | |
5698 | continue; | |
5699 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5700 | struct ieee80211_channel *chan; | |
5701 | ||
5702 | chan = &wiphy->bands[band]->channels[j]; | |
5703 | ||
5704 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5705 | continue; | |
5706 | ||
5707 | request->channels[i] = chan; | |
5708 | i++; | |
5709 | } | |
5710 | } | |
5711 | } | |
5712 | ||
5713 | if (!i) { | |
5714 | err = -EINVAL; | |
5715 | goto out_free; | |
5716 | } | |
5717 | ||
5718 | request->n_channels = i; | |
5719 | ||
5720 | i = 0; | |
5721 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5722 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5723 | tmp) { | |
57a27e1d | 5724 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5725 | err = -EINVAL; |
5726 | goto out_free; | |
5727 | } | |
57a27e1d | 5728 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5729 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5730 | nla_len(attr)); | |
807f8a8c LC |
5731 | i++; |
5732 | } | |
5733 | } | |
5734 | ||
a1f1c21c LC |
5735 | i = 0; |
5736 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5737 | nla_for_each_nested(attr, | |
5738 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5739 | tmp) { | |
88e920b4 | 5740 | struct nlattr *ssid, *rssi; |
a1f1c21c | 5741 | |
ae811e21 JB |
5742 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, |
5743 | nla_data(attr), nla_len(attr), | |
5744 | nl80211_match_policy); | |
5745 | if (err) | |
5746 | goto out_free; | |
4a4ab0d7 | 5747 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 5748 | if (ssid) { |
ea73cbce JB |
5749 | if (WARN_ON(i >= n_match_sets)) { |
5750 | /* this indicates a programming error, | |
5751 | * the loop above should have verified | |
5752 | * things properly | |
5753 | */ | |
5754 | err = -EINVAL; | |
5755 | goto out_free; | |
5756 | } | |
5757 | ||
a1f1c21c LC |
5758 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
5759 | err = -EINVAL; | |
5760 | goto out_free; | |
5761 | } | |
5762 | memcpy(request->match_sets[i].ssid.ssid, | |
5763 | nla_data(ssid), nla_len(ssid)); | |
5764 | request->match_sets[i].ssid.ssid_len = | |
5765 | nla_len(ssid); | |
ea73cbce JB |
5766 | /* special attribute - old implemenation w/a */ |
5767 | request->match_sets[i].rssi_thold = | |
5768 | default_match_rssi; | |
5769 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
5770 | if (rssi) | |
5771 | request->match_sets[i].rssi_thold = | |
5772 | nla_get_s32(rssi); | |
a1f1c21c LC |
5773 | } |
5774 | i++; | |
5775 | } | |
ea73cbce JB |
5776 | |
5777 | /* there was no other matchset, so the RSSI one is alone */ | |
5778 | if (i == 0) | |
5779 | request->match_sets[0].rssi_thold = default_match_rssi; | |
5780 | ||
5781 | request->min_rssi_thold = INT_MAX; | |
5782 | for (i = 0; i < n_match_sets; i++) | |
5783 | request->min_rssi_thold = | |
5784 | min(request->match_sets[i].rssi_thold, | |
5785 | request->min_rssi_thold); | |
5786 | } else { | |
5787 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5788 | } |
5789 | ||
9900e484 JB |
5790 | if (ie_len) { |
5791 | request->ie_len = ie_len; | |
807f8a8c LC |
5792 | memcpy((void *)request->ie, |
5793 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5794 | request->ie_len); | |
5795 | } | |
5796 | ||
46856bbf | 5797 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5798 | request->flags = nla_get_u32( |
5799 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5800 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5801 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5802 | err = -EOPNOTSUPP; |
5803 | goto out_free; | |
5804 | } | |
5805 | } | |
ed473771 | 5806 | |
807f8a8c LC |
5807 | request->dev = dev; |
5808 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5809 | request->interval = interval; |
15d6030b | 5810 | request->scan_start = jiffies; |
807f8a8c | 5811 | |
e35e4d28 | 5812 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5813 | if (!err) { |
5814 | rdev->sched_scan_req = request; | |
5815 | nl80211_send_sched_scan(rdev, dev, | |
5816 | NL80211_CMD_START_SCHED_SCAN); | |
5817 | goto out; | |
5818 | } | |
5819 | ||
5820 | out_free: | |
5821 | kfree(request); | |
5822 | out: | |
5823 | return err; | |
5824 | } | |
5825 | ||
5826 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5827 | struct genl_info *info) | |
5828 | { | |
5829 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5830 | ||
5831 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5832 | !rdev->ops->sched_scan_stop) | |
5833 | return -EOPNOTSUPP; | |
5834 | ||
5fe231e8 | 5835 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
5836 | } |
5837 | ||
04f39047 SW |
5838 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5839 | struct genl_info *info) | |
5840 | { | |
5841 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5842 | struct net_device *dev = info->user_ptr[1]; | |
5843 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5844 | struct cfg80211_chan_def chandef; | |
55f7435c | 5845 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 5846 | unsigned int cac_time_ms; |
04f39047 SW |
5847 | int err; |
5848 | ||
55f7435c LR |
5849 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
5850 | if (dfs_region == NL80211_DFS_UNSET) | |
5851 | return -EINVAL; | |
5852 | ||
04f39047 SW |
5853 | err = nl80211_parse_chandef(rdev, info, &chandef); |
5854 | if (err) | |
5855 | return err; | |
5856 | ||
ff311bc1 SW |
5857 | if (netif_carrier_ok(dev)) |
5858 | return -EBUSY; | |
5859 | ||
04f39047 SW |
5860 | if (wdev->cac_started) |
5861 | return -EBUSY; | |
5862 | ||
2beb6dab | 5863 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 5864 | wdev->iftype); |
04f39047 SW |
5865 | if (err < 0) |
5866 | return err; | |
5867 | ||
5868 | if (err == 0) | |
5869 | return -EINVAL; | |
5870 | ||
fe7c3a1f | 5871 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
5872 | return -EINVAL; |
5873 | ||
5874 | if (!rdev->ops->start_radar_detection) | |
5875 | return -EOPNOTSUPP; | |
5876 | ||
31559f35 JD |
5877 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
5878 | if (WARN_ON(!cac_time_ms)) | |
5879 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
5880 | ||
5881 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef, | |
5882 | cac_time_ms); | |
04f39047 | 5883 | if (!err) { |
9e0e2961 | 5884 | wdev->chandef = chandef; |
04f39047 SW |
5885 | wdev->cac_started = true; |
5886 | wdev->cac_start_time = jiffies; | |
31559f35 | 5887 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 5888 | } |
04f39047 SW |
5889 | return err; |
5890 | } | |
5891 | ||
16ef1fe2 SW |
5892 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
5893 | { | |
5894 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5895 | struct net_device *dev = info->user_ptr[1]; | |
5896 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5897 | struct cfg80211_csa_settings params; | |
5898 | /* csa_attrs is defined static to avoid waste of stack size - this | |
5899 | * function is called under RTNL lock, so this should not be a problem. | |
5900 | */ | |
5901 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
5902 | u8 radar_detect_width = 0; | |
5903 | int err; | |
ee4bc9e7 | 5904 | bool need_new_beacon = false; |
9a774c78 | 5905 | int len, i; |
16ef1fe2 SW |
5906 | |
5907 | if (!rdev->ops->channel_switch || | |
5908 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
5909 | return -EOPNOTSUPP; | |
5910 | ||
ee4bc9e7 SW |
5911 | switch (dev->ieee80211_ptr->iftype) { |
5912 | case NL80211_IFTYPE_AP: | |
5913 | case NL80211_IFTYPE_P2P_GO: | |
5914 | need_new_beacon = true; | |
5915 | ||
5916 | /* useless if AP is not running */ | |
5917 | if (!wdev->beacon_interval) | |
1ff79dfa | 5918 | return -ENOTCONN; |
ee4bc9e7 SW |
5919 | break; |
5920 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
5921 | if (!wdev->ssid_len) |
5922 | return -ENOTCONN; | |
5923 | break; | |
c6da674a | 5924 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
5925 | if (!wdev->mesh_id_len) |
5926 | return -ENOTCONN; | |
ee4bc9e7 SW |
5927 | break; |
5928 | default: | |
16ef1fe2 | 5929 | return -EOPNOTSUPP; |
ee4bc9e7 | 5930 | } |
16ef1fe2 SW |
5931 | |
5932 | memset(¶ms, 0, sizeof(params)); | |
5933 | ||
5934 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5935 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
5936 | return -EINVAL; | |
5937 | ||
5938 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 5939 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
5940 | return -EINVAL; |
5941 | ||
5942 | params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
5943 | ||
ee4bc9e7 SW |
5944 | if (!need_new_beacon) |
5945 | goto skip_beacons; | |
5946 | ||
16ef1fe2 SW |
5947 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
5948 | if (err) | |
5949 | return err; | |
5950 | ||
5951 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
5952 | info->attrs[NL80211_ATTR_CSA_IES], | |
5953 | nl80211_policy); | |
5954 | if (err) | |
5955 | return err; | |
5956 | ||
5957 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
5958 | if (err) | |
5959 | return err; | |
5960 | ||
5961 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
5962 | return -EINVAL; | |
5963 | ||
9a774c78 AO |
5964 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
5965 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
5966 | return -EINVAL; |
5967 | ||
9a774c78 AO |
5968 | params.n_counter_offsets_beacon = len / sizeof(u16); |
5969 | if (rdev->wiphy.max_num_csa_counters && | |
5970 | (params.n_counter_offsets_beacon > | |
5971 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
5972 | return -EINVAL; |
5973 | ||
9a774c78 AO |
5974 | params.counter_offsets_beacon = |
5975 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
5976 | ||
5977 | /* sanity checks - counters should fit and be the same */ | |
5978 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
5979 | u16 offset = params.counter_offsets_beacon[i]; | |
5980 | ||
5981 | if (offset >= params.beacon_csa.tail_len) | |
5982 | return -EINVAL; | |
5983 | ||
5984 | if (params.beacon_csa.tail[offset] != params.count) | |
5985 | return -EINVAL; | |
5986 | } | |
5987 | ||
16ef1fe2 | 5988 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
5989 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
5990 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
5991 | return -EINVAL; |
5992 | ||
9a774c78 AO |
5993 | params.n_counter_offsets_presp = len / sizeof(u16); |
5994 | if (rdev->wiphy.max_num_csa_counters && | |
5995 | (params.n_counter_offsets_beacon > | |
5996 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 | 5997 | return -EINVAL; |
9a774c78 AO |
5998 | |
5999 | params.counter_offsets_presp = | |
6000 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
6001 | ||
6002 | /* sanity checks - counters should fit and be the same */ | |
6003 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
6004 | u16 offset = params.counter_offsets_presp[i]; | |
6005 | ||
6006 | if (offset >= params.beacon_csa.probe_resp_len) | |
6007 | return -EINVAL; | |
6008 | ||
6009 | if (params.beacon_csa.probe_resp[offset] != | |
6010 | params.count) | |
6011 | return -EINVAL; | |
6012 | } | |
16ef1fe2 SW |
6013 | } |
6014 | ||
ee4bc9e7 | 6015 | skip_beacons: |
16ef1fe2 SW |
6016 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
6017 | if (err) | |
6018 | return err; | |
6019 | ||
174e0cd2 IP |
6020 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, |
6021 | wdev->iftype)) | |
16ef1fe2 SW |
6022 | return -EINVAL; |
6023 | ||
2beb6dab LC |
6024 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
6025 | ¶ms.chandef, | |
6026 | wdev->iftype); | |
6027 | if (err < 0) | |
6028 | return err; | |
6029 | ||
6030 | if (err > 0) { | |
6031 | radar_detect_width = BIT(params.chandef.width); | |
6032 | params.radar_required = true; | |
16ef1fe2 SW |
6033 | } |
6034 | ||
16ef1fe2 SW |
6035 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
6036 | params.block_tx = true; | |
6037 | ||
c56589ed SW |
6038 | wdev_lock(wdev); |
6039 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
6040 | wdev_unlock(wdev); | |
6041 | ||
6042 | return err; | |
16ef1fe2 SW |
6043 | } |
6044 | ||
9720bb3a JB |
6045 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
6046 | u32 seq, int flags, | |
2a519311 | 6047 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
6048 | struct wireless_dev *wdev, |
6049 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 6050 | { |
48ab905d | 6051 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 6052 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
6053 | void *hdr; |
6054 | struct nlattr *bss; | |
48ab905d JB |
6055 | |
6056 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 6057 | |
15e47304 | 6058 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
6059 | NL80211_CMD_NEW_SCAN_RESULTS); |
6060 | if (!hdr) | |
6061 | return -1; | |
6062 | ||
9720bb3a JB |
6063 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
6064 | ||
97990a06 JB |
6065 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
6066 | goto nla_put_failure; | |
6067 | if (wdev->netdev && | |
9360ffd1 DM |
6068 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
6069 | goto nla_put_failure; | |
97990a06 JB |
6070 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
6071 | goto nla_put_failure; | |
2a519311 JB |
6072 | |
6073 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
6074 | if (!bss) | |
6075 | goto nla_put_failure; | |
9360ffd1 | 6076 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 6077 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 6078 | goto nla_put_failure; |
9caf0364 JB |
6079 | |
6080 | rcu_read_lock(); | |
0e227084 JB |
6081 | /* indicate whether we have probe response data or not */ |
6082 | if (rcu_access_pointer(res->proberesp_ies) && | |
6083 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
6084 | goto fail_unlock_rcu; | |
6085 | ||
6086 | /* this pointer prefers to be pointed to probe response data | |
6087 | * but is always valid | |
6088 | */ | |
9caf0364 | 6089 | ies = rcu_dereference(res->ies); |
8cef2c9d JB |
6090 | if (ies) { |
6091 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
6092 | goto fail_unlock_rcu; | |
8cef2c9d JB |
6093 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
6094 | ies->len, ies->data)) | |
6095 | goto fail_unlock_rcu; | |
9caf0364 | 6096 | } |
0e227084 JB |
6097 | |
6098 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 6099 | ies = rcu_dereference(res->beacon_ies); |
0e227084 JB |
6100 | if (ies && ies->from_beacon) { |
6101 | if (nla_put_u64(msg, NL80211_BSS_BEACON_TSF, ies->tsf)) | |
8cef2c9d JB |
6102 | goto fail_unlock_rcu; |
6103 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
6104 | ies->len, ies->data)) | |
6105 | goto fail_unlock_rcu; | |
9caf0364 JB |
6106 | } |
6107 | rcu_read_unlock(); | |
6108 | ||
9360ffd1 DM |
6109 | if (res->beacon_interval && |
6110 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
6111 | goto nla_put_failure; | |
6112 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
6113 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 6114 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
6115 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
6116 | jiffies_to_msecs(jiffies - intbss->ts))) | |
6117 | goto nla_put_failure; | |
2a519311 | 6118 | |
77965c97 | 6119 | switch (rdev->wiphy.signal_type) { |
2a519311 | 6120 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
6121 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
6122 | goto nla_put_failure; | |
2a519311 JB |
6123 | break; |
6124 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
6125 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
6126 | goto nla_put_failure; | |
2a519311 JB |
6127 | break; |
6128 | default: | |
6129 | break; | |
6130 | } | |
6131 | ||
48ab905d | 6132 | switch (wdev->iftype) { |
074ac8df | 6133 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 6134 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
6135 | if (intbss == wdev->current_bss && |
6136 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6137 | NL80211_BSS_STATUS_ASSOCIATED)) | |
6138 | goto nla_put_failure; | |
48ab905d JB |
6139 | break; |
6140 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
6141 | if (intbss == wdev->current_bss && |
6142 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6143 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
6144 | goto nla_put_failure; | |
48ab905d JB |
6145 | break; |
6146 | default: | |
6147 | break; | |
6148 | } | |
6149 | ||
2a519311 JB |
6150 | nla_nest_end(msg, bss); |
6151 | ||
6152 | return genlmsg_end(msg, hdr); | |
6153 | ||
8cef2c9d JB |
6154 | fail_unlock_rcu: |
6155 | rcu_read_unlock(); | |
2a519311 JB |
6156 | nla_put_failure: |
6157 | genlmsg_cancel(msg, hdr); | |
6158 | return -EMSGSIZE; | |
6159 | } | |
6160 | ||
97990a06 | 6161 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 6162 | { |
48ab905d | 6163 | struct cfg80211_registered_device *rdev; |
2a519311 | 6164 | struct cfg80211_internal_bss *scan; |
48ab905d | 6165 | struct wireless_dev *wdev; |
97990a06 | 6166 | int start = cb->args[2], idx = 0; |
2a519311 JB |
6167 | int err; |
6168 | ||
97990a06 | 6169 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6170 | if (err) |
6171 | return err; | |
2a519311 | 6172 | |
48ab905d JB |
6173 | wdev_lock(wdev); |
6174 | spin_lock_bh(&rdev->bss_lock); | |
6175 | cfg80211_bss_expire(rdev); | |
6176 | ||
9720bb3a JB |
6177 | cb->seq = rdev->bss_generation; |
6178 | ||
48ab905d | 6179 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
6180 | if (++idx <= start) |
6181 | continue; | |
9720bb3a | 6182 | if (nl80211_send_bss(skb, cb, |
2a519311 | 6183 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 6184 | rdev, wdev, scan) < 0) { |
2a519311 | 6185 | idx--; |
67748893 | 6186 | break; |
2a519311 JB |
6187 | } |
6188 | } | |
6189 | ||
48ab905d JB |
6190 | spin_unlock_bh(&rdev->bss_lock); |
6191 | wdev_unlock(wdev); | |
2a519311 | 6192 | |
97990a06 JB |
6193 | cb->args[2] = idx; |
6194 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 6195 | |
67748893 | 6196 | return skb->len; |
2a519311 JB |
6197 | } |
6198 | ||
15e47304 | 6199 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
6200 | int flags, struct net_device *dev, |
6201 | struct survey_info *survey) | |
6202 | { | |
6203 | void *hdr; | |
6204 | struct nlattr *infoattr; | |
6205 | ||
15e47304 | 6206 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
6207 | NL80211_CMD_NEW_SURVEY_RESULTS); |
6208 | if (!hdr) | |
6209 | return -ENOMEM; | |
6210 | ||
9360ffd1 DM |
6211 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
6212 | goto nla_put_failure; | |
61fa713c HS |
6213 | |
6214 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
6215 | if (!infoattr) | |
6216 | goto nla_put_failure; | |
6217 | ||
9360ffd1 DM |
6218 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
6219 | survey->channel->center_freq)) | |
6220 | goto nla_put_failure; | |
6221 | ||
6222 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
6223 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
6224 | goto nla_put_failure; | |
6225 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
6226 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
6227 | goto nla_put_failure; | |
6228 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
6229 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
6230 | survey->channel_time)) | |
6231 | goto nla_put_failure; | |
6232 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
6233 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
6234 | survey->channel_time_busy)) | |
6235 | goto nla_put_failure; | |
6236 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
6237 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
6238 | survey->channel_time_ext_busy)) | |
6239 | goto nla_put_failure; | |
6240 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
6241 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
6242 | survey->channel_time_rx)) | |
6243 | goto nla_put_failure; | |
6244 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
6245 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
6246 | survey->channel_time_tx)) | |
6247 | goto nla_put_failure; | |
61fa713c HS |
6248 | |
6249 | nla_nest_end(msg, infoattr); | |
6250 | ||
6251 | return genlmsg_end(msg, hdr); | |
6252 | ||
6253 | nla_put_failure: | |
6254 | genlmsg_cancel(msg, hdr); | |
6255 | return -EMSGSIZE; | |
6256 | } | |
6257 | ||
6258 | static int nl80211_dump_survey(struct sk_buff *skb, | |
6259 | struct netlink_callback *cb) | |
6260 | { | |
6261 | struct survey_info survey; | |
1b8ec87a | 6262 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
6263 | struct wireless_dev *wdev; |
6264 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6265 | int res; |
6266 | ||
1b8ec87a | 6267 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6268 | if (res) |
6269 | return res; | |
61fa713c | 6270 | |
97990a06 JB |
6271 | if (!wdev->netdev) { |
6272 | res = -EINVAL; | |
6273 | goto out_err; | |
6274 | } | |
6275 | ||
1b8ec87a | 6276 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
6277 | res = -EOPNOTSUPP; |
6278 | goto out_err; | |
6279 | } | |
6280 | ||
6281 | while (1) { | |
180cdc79 LR |
6282 | struct ieee80211_channel *chan; |
6283 | ||
1b8ec87a | 6284 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6285 | if (res == -ENOENT) |
6286 | break; | |
6287 | if (res) | |
6288 | goto out_err; | |
6289 | ||
180cdc79 LR |
6290 | /* Survey without a channel doesn't make sense */ |
6291 | if (!survey.channel) { | |
6292 | res = -EINVAL; | |
6293 | goto out; | |
6294 | } | |
6295 | ||
1b8ec87a | 6296 | chan = ieee80211_get_channel(&rdev->wiphy, |
180cdc79 LR |
6297 | survey.channel->center_freq); |
6298 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
6299 | survey_idx++; | |
6300 | continue; | |
6301 | } | |
6302 | ||
61fa713c | 6303 | if (nl80211_send_survey(skb, |
15e47304 | 6304 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6305 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6306 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6307 | goto out; |
6308 | survey_idx++; | |
6309 | } | |
6310 | ||
6311 | out: | |
97990a06 | 6312 | cb->args[2] = survey_idx; |
61fa713c HS |
6313 | res = skb->len; |
6314 | out_err: | |
1b8ec87a | 6315 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
6316 | return res; |
6317 | } | |
6318 | ||
b23aa676 SO |
6319 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6320 | { | |
6321 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6322 | NL80211_WPA_VERSION_2)); | |
6323 | } | |
6324 | ||
636a5d36 JM |
6325 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6326 | { | |
4c476991 JB |
6327 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6328 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6329 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6330 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6331 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6332 | enum nl80211_auth_type auth_type; |
fffd0934 | 6333 | struct key_parse key; |
d5cdfacb | 6334 | bool local_state_change; |
636a5d36 | 6335 | |
f4a11bb0 JB |
6336 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6337 | return -EINVAL; | |
6338 | ||
6339 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6340 | return -EINVAL; | |
6341 | ||
1778092e JM |
6342 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6343 | return -EINVAL; | |
6344 | ||
19957bb3 JB |
6345 | if (!info->attrs[NL80211_ATTR_SSID]) |
6346 | return -EINVAL; | |
6347 | ||
6348 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6349 | return -EINVAL; | |
6350 | ||
fffd0934 JB |
6351 | err = nl80211_parse_key(info, &key); |
6352 | if (err) | |
6353 | return err; | |
6354 | ||
6355 | if (key.idx >= 0) { | |
e31b8213 JB |
6356 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6357 | return -EINVAL; | |
fffd0934 JB |
6358 | if (!key.p.key || !key.p.key_len) |
6359 | return -EINVAL; | |
6360 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6361 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6362 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6363 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6364 | return -EINVAL; | |
6365 | if (key.idx > 4) | |
6366 | return -EINVAL; | |
6367 | } else { | |
6368 | key.p.key_len = 0; | |
6369 | key.p.key = NULL; | |
6370 | } | |
6371 | ||
afea0b7a JB |
6372 | if (key.idx >= 0) { |
6373 | int i; | |
6374 | bool ok = false; | |
6375 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6376 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6377 | ok = true; | |
6378 | break; | |
6379 | } | |
6380 | } | |
4c476991 JB |
6381 | if (!ok) |
6382 | return -EINVAL; | |
afea0b7a JB |
6383 | } |
6384 | ||
4c476991 JB |
6385 | if (!rdev->ops->auth) |
6386 | return -EOPNOTSUPP; | |
636a5d36 | 6387 | |
074ac8df | 6388 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6389 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6390 | return -EOPNOTSUPP; | |
eec60b03 | 6391 | |
19957bb3 | 6392 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
6393 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6394 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6395 | if (!chan) | |
4c476991 | 6396 | return -EINVAL; |
636a5d36 | 6397 | |
19957bb3 JB |
6398 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6399 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6400 | |
6401 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6402 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6403 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6404 | } |
6405 | ||
19957bb3 | 6406 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6407 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6408 | return -EINVAL; |
636a5d36 | 6409 | |
e39e5b5e JM |
6410 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6411 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6412 | return -EINVAL; | |
6413 | ||
6414 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6415 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6416 | return -EINVAL; | |
6417 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6418 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6419 | /* need to include at least Auth Transaction and Status Code */ | |
6420 | if (sae_data_len < 4) | |
6421 | return -EINVAL; | |
6422 | } | |
6423 | ||
d5cdfacb JM |
6424 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6425 | ||
95de817b JB |
6426 | /* |
6427 | * Since we no longer track auth state, ignore | |
6428 | * requests to only change local state. | |
6429 | */ | |
6430 | if (local_state_change) | |
6431 | return 0; | |
6432 | ||
91bf9b26 JB |
6433 | wdev_lock(dev->ieee80211_ptr); |
6434 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6435 | ssid, ssid_len, ie, ie_len, | |
6436 | key.p.key, key.p.key_len, key.idx, | |
6437 | sae_data, sae_data_len); | |
6438 | wdev_unlock(dev->ieee80211_ptr); | |
6439 | return err; | |
636a5d36 JM |
6440 | } |
6441 | ||
c0692b8f JB |
6442 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6443 | struct genl_info *info, | |
3dc27d25 JB |
6444 | struct cfg80211_crypto_settings *settings, |
6445 | int cipher_limit) | |
b23aa676 | 6446 | { |
c0b2bbd8 JB |
6447 | memset(settings, 0, sizeof(*settings)); |
6448 | ||
b23aa676 SO |
6449 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6450 | ||
c0692b8f JB |
6451 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6452 | u16 proto; | |
6453 | proto = nla_get_u16( | |
6454 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6455 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6456 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6457 | proto != ETH_P_PAE) | |
6458 | return -EINVAL; | |
6459 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6460 | settings->control_port_no_encrypt = true; | |
6461 | } else | |
6462 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6463 | ||
b23aa676 SO |
6464 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6465 | void *data; | |
6466 | int len, i; | |
6467 | ||
6468 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6469 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6470 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6471 | ||
6472 | if (len % sizeof(u32)) | |
6473 | return -EINVAL; | |
6474 | ||
3dc27d25 | 6475 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6476 | return -EINVAL; |
6477 | ||
6478 | memcpy(settings->ciphers_pairwise, data, len); | |
6479 | ||
6480 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6481 | if (!cfg80211_supported_cipher_suite( |
6482 | &rdev->wiphy, | |
b23aa676 SO |
6483 | settings->ciphers_pairwise[i])) |
6484 | return -EINVAL; | |
6485 | } | |
6486 | ||
6487 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6488 | settings->cipher_group = | |
6489 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6490 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6491 | settings->cipher_group)) | |
b23aa676 SO |
6492 | return -EINVAL; |
6493 | } | |
6494 | ||
6495 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6496 | settings->wpa_versions = | |
6497 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6498 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6499 | return -EINVAL; | |
6500 | } | |
6501 | ||
6502 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6503 | void *data; | |
6d30240e | 6504 | int len; |
b23aa676 SO |
6505 | |
6506 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6507 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6508 | settings->n_akm_suites = len / sizeof(u32); | |
6509 | ||
6510 | if (len % sizeof(u32)) | |
6511 | return -EINVAL; | |
6512 | ||
1b9ca027 JM |
6513 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6514 | return -EINVAL; | |
6515 | ||
b23aa676 | 6516 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6517 | } |
6518 | ||
6519 | return 0; | |
6520 | } | |
6521 | ||
636a5d36 JM |
6522 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6523 | { | |
4c476991 JB |
6524 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6525 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6526 | struct ieee80211_channel *chan; |
f62fab73 JB |
6527 | struct cfg80211_assoc_request req = {}; |
6528 | const u8 *bssid, *ssid; | |
6529 | int err, ssid_len = 0; | |
636a5d36 | 6530 | |
f4a11bb0 JB |
6531 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6532 | return -EINVAL; | |
6533 | ||
6534 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6535 | !info->attrs[NL80211_ATTR_SSID] || |
6536 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6537 | return -EINVAL; |
6538 | ||
4c476991 JB |
6539 | if (!rdev->ops->assoc) |
6540 | return -EOPNOTSUPP; | |
636a5d36 | 6541 | |
074ac8df | 6542 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6543 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6544 | return -EOPNOTSUPP; | |
eec60b03 | 6545 | |
19957bb3 | 6546 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6547 | |
664834de JM |
6548 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6549 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6550 | if (!chan) | |
4c476991 | 6551 | return -EINVAL; |
636a5d36 | 6552 | |
19957bb3 JB |
6553 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6554 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6555 | |
6556 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6557 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6558 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6559 | } |
6560 | ||
dc6382ce | 6561 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6562 | enum nl80211_mfp mfp = |
dc6382ce | 6563 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6564 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6565 | req.use_mfp = true; |
4c476991 JB |
6566 | else if (mfp != NL80211_MFP_NO) |
6567 | return -EINVAL; | |
dc6382ce JM |
6568 | } |
6569 | ||
3e5d7649 | 6570 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6571 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6572 | |
7e7c8926 | 6573 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6574 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6575 | |
6576 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6577 | memcpy(&req.ht_capa_mask, |
6578 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6579 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6580 | |
6581 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6582 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6583 | return -EINVAL; |
f62fab73 JB |
6584 | memcpy(&req.ht_capa, |
6585 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6586 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6587 | } |
6588 | ||
ee2aca34 | 6589 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6590 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6591 | |
6592 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6593 | memcpy(&req.vht_capa_mask, |
6594 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6595 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6596 | |
6597 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6598 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6599 | return -EINVAL; |
f62fab73 JB |
6600 | memcpy(&req.vht_capa, |
6601 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6602 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6603 | } |
6604 | ||
bab5ab7d AK |
6605 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
6606 | if (!(rdev->wiphy.features & | |
6607 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
6608 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
6609 | return -EINVAL; | |
6610 | req.flags |= ASSOC_REQ_USE_RRM; | |
6611 | } | |
6612 | ||
f62fab73 | 6613 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6614 | if (!err) { |
6615 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6616 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6617 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6618 | wdev_unlock(dev->ieee80211_ptr); |
6619 | } | |
636a5d36 | 6620 | |
636a5d36 JM |
6621 | return err; |
6622 | } | |
6623 | ||
6624 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6625 | { | |
4c476991 JB |
6626 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6627 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6628 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6629 | int ie_len = 0, err; |
19957bb3 | 6630 | u16 reason_code; |
d5cdfacb | 6631 | bool local_state_change; |
636a5d36 | 6632 | |
f4a11bb0 JB |
6633 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6634 | return -EINVAL; | |
6635 | ||
6636 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6637 | return -EINVAL; | |
6638 | ||
6639 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6640 | return -EINVAL; | |
6641 | ||
4c476991 JB |
6642 | if (!rdev->ops->deauth) |
6643 | return -EOPNOTSUPP; | |
636a5d36 | 6644 | |
074ac8df | 6645 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6646 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6647 | return -EOPNOTSUPP; | |
eec60b03 | 6648 | |
19957bb3 | 6649 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6650 | |
19957bb3 JB |
6651 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6652 | if (reason_code == 0) { | |
f4a11bb0 | 6653 | /* Reason Code 0 is reserved */ |
4c476991 | 6654 | return -EINVAL; |
255e737e | 6655 | } |
636a5d36 JM |
6656 | |
6657 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6658 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6659 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6660 | } |
6661 | ||
d5cdfacb JM |
6662 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6663 | ||
91bf9b26 JB |
6664 | wdev_lock(dev->ieee80211_ptr); |
6665 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6666 | local_state_change); | |
6667 | wdev_unlock(dev->ieee80211_ptr); | |
6668 | return err; | |
636a5d36 JM |
6669 | } |
6670 | ||
6671 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6672 | { | |
4c476991 JB |
6673 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6674 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6675 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6676 | int ie_len = 0, err; |
19957bb3 | 6677 | u16 reason_code; |
d5cdfacb | 6678 | bool local_state_change; |
636a5d36 | 6679 | |
f4a11bb0 JB |
6680 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6681 | return -EINVAL; | |
6682 | ||
6683 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6684 | return -EINVAL; | |
6685 | ||
6686 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6687 | return -EINVAL; | |
6688 | ||
4c476991 JB |
6689 | if (!rdev->ops->disassoc) |
6690 | return -EOPNOTSUPP; | |
636a5d36 | 6691 | |
074ac8df | 6692 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6693 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6694 | return -EOPNOTSUPP; | |
eec60b03 | 6695 | |
19957bb3 | 6696 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6697 | |
19957bb3 JB |
6698 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6699 | if (reason_code == 0) { | |
f4a11bb0 | 6700 | /* Reason Code 0 is reserved */ |
4c476991 | 6701 | return -EINVAL; |
255e737e | 6702 | } |
636a5d36 JM |
6703 | |
6704 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6705 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6706 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6707 | } |
6708 | ||
d5cdfacb JM |
6709 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6710 | ||
91bf9b26 JB |
6711 | wdev_lock(dev->ieee80211_ptr); |
6712 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6713 | local_state_change); | |
6714 | wdev_unlock(dev->ieee80211_ptr); | |
6715 | return err; | |
636a5d36 JM |
6716 | } |
6717 | ||
dd5b4cc7 FF |
6718 | static bool |
6719 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6720 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6721 | int rateval) | |
6722 | { | |
6723 | struct wiphy *wiphy = &rdev->wiphy; | |
6724 | bool found = false; | |
6725 | int band, i; | |
6726 | ||
6727 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6728 | struct ieee80211_supported_band *sband; | |
6729 | ||
6730 | sband = wiphy->bands[band]; | |
6731 | if (!sband) | |
6732 | continue; | |
6733 | ||
6734 | for (i = 0; i < sband->n_bitrates; i++) { | |
6735 | if (sband->bitrates[i].bitrate == rateval) { | |
6736 | mcast_rate[band] = i + 1; | |
6737 | found = true; | |
6738 | break; | |
6739 | } | |
6740 | } | |
6741 | } | |
6742 | ||
6743 | return found; | |
6744 | } | |
6745 | ||
04a773ad JB |
6746 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
6747 | { | |
4c476991 JB |
6748 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6749 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
6750 | struct cfg80211_ibss_params ibss; |
6751 | struct wiphy *wiphy; | |
fffd0934 | 6752 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6753 | int err; |
6754 | ||
8e30bc55 JB |
6755 | memset(&ibss, 0, sizeof(ibss)); |
6756 | ||
04a773ad JB |
6757 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6758 | return -EINVAL; | |
6759 | ||
683b6d3b | 6760 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6761 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6762 | return -EINVAL; | |
6763 | ||
8e30bc55 JB |
6764 | ibss.beacon_interval = 100; |
6765 | ||
6766 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6767 | ibss.beacon_interval = | |
6768 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6769 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6770 | return -EINVAL; | |
6771 | } | |
6772 | ||
4c476991 JB |
6773 | if (!rdev->ops->join_ibss) |
6774 | return -EOPNOTSUPP; | |
04a773ad | 6775 | |
4c476991 JB |
6776 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6777 | return -EOPNOTSUPP; | |
04a773ad | 6778 | |
79c97e97 | 6779 | wiphy = &rdev->wiphy; |
04a773ad | 6780 | |
39193498 | 6781 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6782 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6783 | |
6784 | if (!is_valid_ether_addr(ibss.bssid)) | |
6785 | return -EINVAL; | |
6786 | } | |
04a773ad JB |
6787 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6788 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6789 | ||
6790 | if (info->attrs[NL80211_ATTR_IE]) { | |
6791 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6792 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6793 | } | |
6794 | ||
683b6d3b JB |
6795 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6796 | if (err) | |
6797 | return err; | |
04a773ad | 6798 | |
174e0cd2 IP |
6799 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
6800 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
6801 | return -EINVAL; |
6802 | ||
2f301ab2 | 6803 | switch (ibss.chandef.width) { |
bf372645 SW |
6804 | case NL80211_CHAN_WIDTH_5: |
6805 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
6806 | case NL80211_CHAN_WIDTH_20_NOHT: |
6807 | break; | |
6808 | case NL80211_CHAN_WIDTH_20: | |
6809 | case NL80211_CHAN_WIDTH_40: | |
6810 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
6811 | break; | |
6812 | default: | |
c04d6150 | 6813 | return -EINVAL; |
2f301ab2 | 6814 | } |
db9c64cf | 6815 | |
04a773ad | 6816 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6817 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6818 | ||
fbd2c8dc TP |
6819 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6820 | u8 *rates = | |
6821 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6822 | int n_rates = | |
6823 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6824 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6825 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6826 | |
34850ab2 JB |
6827 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6828 | &ibss.basic_rates); | |
6829 | if (err) | |
6830 | return err; | |
fbd2c8dc | 6831 | } |
dd5b4cc7 | 6832 | |
803768f5 SW |
6833 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
6834 | memcpy(&ibss.ht_capa_mask, | |
6835 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6836 | sizeof(ibss.ht_capa_mask)); | |
6837 | ||
6838 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
6839 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6840 | return -EINVAL; | |
6841 | memcpy(&ibss.ht_capa, | |
6842 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6843 | sizeof(ibss.ht_capa)); | |
6844 | } | |
6845 | ||
dd5b4cc7 FF |
6846 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6847 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6848 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6849 | return -EINVAL; | |
fbd2c8dc | 6850 | |
4c476991 | 6851 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6852 | bool no_ht = false; |
6853 | ||
4c476991 | 6854 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6855 | info->attrs[NL80211_ATTR_KEYS], |
6856 | &no_ht); | |
4c476991 JB |
6857 | if (IS_ERR(connkeys)) |
6858 | return PTR_ERR(connkeys); | |
de7044ee | 6859 | |
3d9d1d66 JB |
6860 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6861 | no_ht) { | |
de7044ee SM |
6862 | kfree(connkeys); |
6863 | return -EINVAL; | |
6864 | } | |
4c476991 | 6865 | } |
04a773ad | 6866 | |
267335d6 AQ |
6867 | ibss.control_port = |
6868 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6869 | ||
5336fa88 SW |
6870 | ibss.userspace_handles_dfs = |
6871 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
6872 | ||
4c476991 | 6873 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 6874 | if (err) |
b47f610b | 6875 | kzfree(connkeys); |
04a773ad JB |
6876 | return err; |
6877 | } | |
6878 | ||
6879 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6880 | { | |
4c476991 JB |
6881 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6882 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6883 | |
4c476991 JB |
6884 | if (!rdev->ops->leave_ibss) |
6885 | return -EOPNOTSUPP; | |
04a773ad | 6886 | |
4c476991 JB |
6887 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6888 | return -EOPNOTSUPP; | |
04a773ad | 6889 | |
4c476991 | 6890 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6891 | } |
6892 | ||
f4e583c8 AQ |
6893 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6894 | { | |
6895 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6896 | struct net_device *dev = info->user_ptr[1]; | |
6897 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6898 | u32 nla_rate; | |
6899 | int err; | |
6900 | ||
6901 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6902 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6903 | return -EOPNOTSUPP; | |
6904 | ||
6905 | if (!rdev->ops->set_mcast_rate) | |
6906 | return -EOPNOTSUPP; | |
6907 | ||
6908 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6909 | ||
6910 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6911 | return -EINVAL; | |
6912 | ||
6913 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6914 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6915 | return -EINVAL; | |
6916 | ||
6917 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6918 | ||
6919 | return err; | |
6920 | } | |
6921 | ||
ad7e718c JB |
6922 | static struct sk_buff * |
6923 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6924 | int approxlen, u32 portid, u32 seq, | |
6925 | enum nl80211_commands cmd, | |
567ffc35 JB |
6926 | enum nl80211_attrs attr, |
6927 | const struct nl80211_vendor_cmd_info *info, | |
6928 | gfp_t gfp) | |
ad7e718c JB |
6929 | { |
6930 | struct sk_buff *skb; | |
6931 | void *hdr; | |
6932 | struct nlattr *data; | |
6933 | ||
6934 | skb = nlmsg_new(approxlen + 100, gfp); | |
6935 | if (!skb) | |
6936 | return NULL; | |
6937 | ||
6938 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
6939 | if (!hdr) { | |
6940 | kfree_skb(skb); | |
6941 | return NULL; | |
6942 | } | |
6943 | ||
6944 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
6945 | goto nla_put_failure; | |
567ffc35 JB |
6946 | |
6947 | if (info) { | |
6948 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
6949 | info->vendor_id)) | |
6950 | goto nla_put_failure; | |
6951 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
6952 | info->subcmd)) | |
6953 | goto nla_put_failure; | |
6954 | } | |
6955 | ||
ad7e718c JB |
6956 | data = nla_nest_start(skb, attr); |
6957 | ||
6958 | ((void **)skb->cb)[0] = rdev; | |
6959 | ((void **)skb->cb)[1] = hdr; | |
6960 | ((void **)skb->cb)[2] = data; | |
6961 | ||
6962 | return skb; | |
6963 | ||
6964 | nla_put_failure: | |
6965 | kfree_skb(skb); | |
6966 | return NULL; | |
6967 | } | |
f4e583c8 | 6968 | |
e03ad6ea JB |
6969 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6970 | enum nl80211_commands cmd, | |
6971 | enum nl80211_attrs attr, | |
6972 | int vendor_event_idx, | |
6973 | int approxlen, gfp_t gfp) | |
6974 | { | |
f26cbf40 | 6975 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
6976 | const struct nl80211_vendor_cmd_info *info; |
6977 | ||
6978 | switch (cmd) { | |
6979 | case NL80211_CMD_TESTMODE: | |
6980 | if (WARN_ON(vendor_event_idx != -1)) | |
6981 | return NULL; | |
6982 | info = NULL; | |
6983 | break; | |
6984 | case NL80211_CMD_VENDOR: | |
6985 | if (WARN_ON(vendor_event_idx < 0 || | |
6986 | vendor_event_idx >= wiphy->n_vendor_events)) | |
6987 | return NULL; | |
6988 | info = &wiphy->vendor_events[vendor_event_idx]; | |
6989 | break; | |
6990 | default: | |
6991 | WARN_ON(1); | |
6992 | return NULL; | |
6993 | } | |
6994 | ||
6995 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, | |
6996 | cmd, attr, info, gfp); | |
6997 | } | |
6998 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
6999 | ||
7000 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
7001 | { | |
7002 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
7003 | void *hdr = ((void **)skb->cb)[1]; | |
7004 | struct nlattr *data = ((void **)skb->cb)[2]; | |
7005 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
7006 | ||
7007 | nla_nest_end(skb, data); | |
7008 | genlmsg_end(skb, hdr); | |
7009 | ||
7010 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
7011 | mcgrp = NL80211_MCGRP_VENDOR; | |
7012 | ||
7013 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
7014 | mcgrp, gfp); | |
7015 | } | |
7016 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
7017 | ||
aff89a9b | 7018 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
7019 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
7020 | { | |
4c476991 | 7021 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
7022 | struct wireless_dev *wdev = |
7023 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
7024 | int err; |
7025 | ||
fc73f11f DS |
7026 | if (!rdev->ops->testmode_cmd) |
7027 | return -EOPNOTSUPP; | |
7028 | ||
7029 | if (IS_ERR(wdev)) { | |
7030 | err = PTR_ERR(wdev); | |
7031 | if (err != -EINVAL) | |
7032 | return err; | |
7033 | wdev = NULL; | |
7034 | } else if (wdev->wiphy != &rdev->wiphy) { | |
7035 | return -EINVAL; | |
7036 | } | |
7037 | ||
aff89a9b JB |
7038 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
7039 | return -EINVAL; | |
7040 | ||
ad7e718c | 7041 | rdev->cur_cmd_info = info; |
fc73f11f | 7042 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
7043 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
7044 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 7045 | rdev->cur_cmd_info = NULL; |
aff89a9b | 7046 | |
aff89a9b JB |
7047 | return err; |
7048 | } | |
7049 | ||
71063f0e WYG |
7050 | static int nl80211_testmode_dump(struct sk_buff *skb, |
7051 | struct netlink_callback *cb) | |
7052 | { | |
00918d33 | 7053 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
7054 | int err; |
7055 | long phy_idx; | |
7056 | void *data = NULL; | |
7057 | int data_len = 0; | |
7058 | ||
5fe231e8 JB |
7059 | rtnl_lock(); |
7060 | ||
71063f0e WYG |
7061 | if (cb->args[0]) { |
7062 | /* | |
7063 | * 0 is a valid index, but not valid for args[0], | |
7064 | * so we need to offset by 1. | |
7065 | */ | |
7066 | phy_idx = cb->args[0] - 1; | |
7067 | } else { | |
7068 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
7069 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
7070 | nl80211_policy); | |
7071 | if (err) | |
5fe231e8 | 7072 | goto out_err; |
00918d33 | 7073 | |
2bd7e35d JB |
7074 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
7075 | nl80211_fam.attrbuf); | |
7076 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
7077 | err = PTR_ERR(rdev); |
7078 | goto out_err; | |
00918d33 | 7079 | } |
2bd7e35d JB |
7080 | phy_idx = rdev->wiphy_idx; |
7081 | rdev = NULL; | |
2bd7e35d | 7082 | |
71063f0e WYG |
7083 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
7084 | cb->args[1] = | |
7085 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
7086 | } | |
7087 | ||
7088 | if (cb->args[1]) { | |
7089 | data = nla_data((void *)cb->args[1]); | |
7090 | data_len = nla_len((void *)cb->args[1]); | |
7091 | } | |
7092 | ||
00918d33 JB |
7093 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
7094 | if (!rdev) { | |
5fe231e8 JB |
7095 | err = -ENOENT; |
7096 | goto out_err; | |
71063f0e | 7097 | } |
71063f0e | 7098 | |
00918d33 | 7099 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
7100 | err = -EOPNOTSUPP; |
7101 | goto out_err; | |
7102 | } | |
7103 | ||
7104 | while (1) { | |
15e47304 | 7105 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
7106 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
7107 | NL80211_CMD_TESTMODE); | |
7108 | struct nlattr *tmdata; | |
7109 | ||
cb35fba3 DC |
7110 | if (!hdr) |
7111 | break; | |
7112 | ||
9360ffd1 | 7113 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
7114 | genlmsg_cancel(skb, hdr); |
7115 | break; | |
7116 | } | |
7117 | ||
7118 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
7119 | if (!tmdata) { | |
7120 | genlmsg_cancel(skb, hdr); | |
7121 | break; | |
7122 | } | |
e35e4d28 | 7123 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
7124 | nla_nest_end(skb, tmdata); |
7125 | ||
7126 | if (err == -ENOBUFS || err == -ENOENT) { | |
7127 | genlmsg_cancel(skb, hdr); | |
7128 | break; | |
7129 | } else if (err) { | |
7130 | genlmsg_cancel(skb, hdr); | |
7131 | goto out_err; | |
7132 | } | |
7133 | ||
7134 | genlmsg_end(skb, hdr); | |
7135 | } | |
7136 | ||
7137 | err = skb->len; | |
7138 | /* see above */ | |
7139 | cb->args[0] = phy_idx + 1; | |
7140 | out_err: | |
5fe231e8 | 7141 | rtnl_unlock(); |
71063f0e WYG |
7142 | return err; |
7143 | } | |
aff89a9b JB |
7144 | #endif |
7145 | ||
b23aa676 SO |
7146 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
7147 | { | |
4c476991 JB |
7148 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7149 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
7150 | struct cfg80211_connect_params connect; |
7151 | struct wiphy *wiphy; | |
fffd0934 | 7152 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
7153 | int err; |
7154 | ||
7155 | memset(&connect, 0, sizeof(connect)); | |
7156 | ||
7157 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
7158 | return -EINVAL; | |
7159 | ||
7160 | if (!info->attrs[NL80211_ATTR_SSID] || | |
7161 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
7162 | return -EINVAL; | |
7163 | ||
7164 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
7165 | connect.auth_type = | |
7166 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
7167 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
7168 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
7169 | return -EINVAL; |
7170 | } else | |
7171 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
7172 | ||
7173 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
7174 | ||
c0692b8f | 7175 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 7176 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
7177 | if (err) |
7178 | return err; | |
b23aa676 | 7179 | |
074ac8df | 7180 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7181 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7182 | return -EOPNOTSUPP; | |
b23aa676 | 7183 | |
79c97e97 | 7184 | wiphy = &rdev->wiphy; |
b23aa676 | 7185 | |
4486ea98 BS |
7186 | connect.bg_scan_period = -1; |
7187 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
7188 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
7189 | connect.bg_scan_period = | |
7190 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
7191 | } | |
7192 | ||
b23aa676 SO |
7193 | if (info->attrs[NL80211_ATTR_MAC]) |
7194 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
7195 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
7196 | connect.bssid_hint = | |
7197 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
7198 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7199 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7200 | ||
7201 | if (info->attrs[NL80211_ATTR_IE]) { | |
7202 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7203 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7204 | } | |
7205 | ||
cee00a95 JM |
7206 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
7207 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
7208 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
7209 | connect.mfp != NL80211_MFP_NO) | |
7210 | return -EINVAL; | |
7211 | } else { | |
7212 | connect.mfp = NL80211_MFP_NO; | |
7213 | } | |
7214 | ||
b23aa676 | 7215 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
7216 | connect.channel = nl80211_get_valid_chan( |
7217 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7218 | if (!connect.channel) | |
1df4a510 JM |
7219 | return -EINVAL; |
7220 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
7221 | connect.channel_hint = nl80211_get_valid_chan( |
7222 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
7223 | if (!connect.channel_hint) | |
4c476991 | 7224 | return -EINVAL; |
b23aa676 SO |
7225 | } |
7226 | ||
fffd0934 JB |
7227 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
7228 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 7229 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
7230 | if (IS_ERR(connkeys)) |
7231 | return PTR_ERR(connkeys); | |
fffd0934 JB |
7232 | } |
7233 | ||
7e7c8926 BG |
7234 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
7235 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
7236 | ||
7237 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7238 | memcpy(&connect.ht_capa_mask, | |
7239 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7240 | sizeof(connect.ht_capa_mask)); | |
7241 | ||
7242 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 7243 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 7244 | kzfree(connkeys); |
7e7c8926 | 7245 | return -EINVAL; |
b4e4f47e | 7246 | } |
7e7c8926 BG |
7247 | memcpy(&connect.ht_capa, |
7248 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7249 | sizeof(connect.ht_capa)); | |
7250 | } | |
7251 | ||
ee2aca34 JB |
7252 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
7253 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
7254 | ||
7255 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
7256 | memcpy(&connect.vht_capa_mask, | |
7257 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7258 | sizeof(connect.vht_capa_mask)); | |
7259 | ||
7260 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7261 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 7262 | kzfree(connkeys); |
ee2aca34 JB |
7263 | return -EINVAL; |
7264 | } | |
7265 | memcpy(&connect.vht_capa, | |
7266 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7267 | sizeof(connect.vht_capa)); | |
7268 | } | |
7269 | ||
bab5ab7d AK |
7270 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
7271 | if (!(rdev->wiphy.features & | |
7272 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
7273 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
7274 | return -EINVAL; | |
7275 | connect.flags |= ASSOC_REQ_USE_RRM; | |
7276 | } | |
7277 | ||
83739b03 JB |
7278 | wdev_lock(dev->ieee80211_ptr); |
7279 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7280 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 | 7281 | if (err) |
b47f610b | 7282 | kzfree(connkeys); |
b23aa676 SO |
7283 | return err; |
7284 | } | |
7285 | ||
7286 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7287 | { | |
4c476991 JB |
7288 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7289 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7290 | u16 reason; |
83739b03 | 7291 | int ret; |
b23aa676 SO |
7292 | |
7293 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7294 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7295 | else | |
7296 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7297 | ||
7298 | if (reason == 0) | |
7299 | return -EINVAL; | |
7300 | ||
074ac8df | 7301 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7302 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7303 | return -EOPNOTSUPP; | |
b23aa676 | 7304 | |
83739b03 JB |
7305 | wdev_lock(dev->ieee80211_ptr); |
7306 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7307 | wdev_unlock(dev->ieee80211_ptr); | |
7308 | return ret; | |
b23aa676 SO |
7309 | } |
7310 | ||
463d0183 JB |
7311 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7312 | { | |
4c476991 | 7313 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7314 | struct net *net; |
7315 | int err; | |
7316 | u32 pid; | |
7317 | ||
7318 | if (!info->attrs[NL80211_ATTR_PID]) | |
7319 | return -EINVAL; | |
7320 | ||
7321 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7322 | ||
463d0183 | 7323 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7324 | if (IS_ERR(net)) |
7325 | return PTR_ERR(net); | |
463d0183 JB |
7326 | |
7327 | err = 0; | |
7328 | ||
7329 | /* check if anything to do */ | |
4c476991 JB |
7330 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7331 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7332 | |
463d0183 | 7333 | put_net(net); |
463d0183 JB |
7334 | return err; |
7335 | } | |
7336 | ||
67fbb16b SO |
7337 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7338 | { | |
4c476991 | 7339 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7340 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7341 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7342 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7343 | struct cfg80211_pmksa pmksa; |
7344 | ||
7345 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7346 | ||
7347 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7348 | return -EINVAL; | |
7349 | ||
7350 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7351 | return -EINVAL; | |
7352 | ||
67fbb16b SO |
7353 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7354 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7355 | ||
074ac8df | 7356 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7357 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7358 | return -EOPNOTSUPP; | |
67fbb16b SO |
7359 | |
7360 | switch (info->genlhdr->cmd) { | |
7361 | case NL80211_CMD_SET_PMKSA: | |
7362 | rdev_ops = rdev->ops->set_pmksa; | |
7363 | break; | |
7364 | case NL80211_CMD_DEL_PMKSA: | |
7365 | rdev_ops = rdev->ops->del_pmksa; | |
7366 | break; | |
7367 | default: | |
7368 | WARN_ON(1); | |
7369 | break; | |
7370 | } | |
7371 | ||
4c476991 JB |
7372 | if (!rdev_ops) |
7373 | return -EOPNOTSUPP; | |
67fbb16b | 7374 | |
4c476991 | 7375 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7376 | } |
7377 | ||
7378 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7379 | { | |
4c476991 JB |
7380 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7381 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7382 | |
074ac8df | 7383 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7384 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7385 | return -EOPNOTSUPP; | |
67fbb16b | 7386 | |
4c476991 JB |
7387 | if (!rdev->ops->flush_pmksa) |
7388 | return -EOPNOTSUPP; | |
67fbb16b | 7389 | |
e35e4d28 | 7390 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7391 | } |
7392 | ||
109086ce AN |
7393 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7394 | { | |
7395 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7396 | struct net_device *dev = info->user_ptr[1]; | |
7397 | u8 action_code, dialog_token; | |
df942e7b | 7398 | u32 peer_capability = 0; |
109086ce AN |
7399 | u16 status_code; |
7400 | u8 *peer; | |
31fa97c5 | 7401 | bool initiator; |
109086ce AN |
7402 | |
7403 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7404 | !rdev->ops->tdls_mgmt) | |
7405 | return -EOPNOTSUPP; | |
7406 | ||
7407 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7408 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7409 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7410 | !info->attrs[NL80211_ATTR_IE] || | |
7411 | !info->attrs[NL80211_ATTR_MAC]) | |
7412 | return -EINVAL; | |
7413 | ||
7414 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7415 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7416 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7417 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 7418 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
7419 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
7420 | peer_capability = | |
7421 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 7422 | |
e35e4d28 | 7423 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 7424 | dialog_token, status_code, peer_capability, |
31fa97c5 | 7425 | initiator, |
e35e4d28 HG |
7426 | nla_data(info->attrs[NL80211_ATTR_IE]), |
7427 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7428 | } |
7429 | ||
7430 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7431 | { | |
7432 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7433 | struct net_device *dev = info->user_ptr[1]; | |
7434 | enum nl80211_tdls_operation operation; | |
7435 | u8 *peer; | |
7436 | ||
7437 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7438 | !rdev->ops->tdls_oper) | |
7439 | return -EOPNOTSUPP; | |
7440 | ||
7441 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7442 | !info->attrs[NL80211_ATTR_MAC]) | |
7443 | return -EINVAL; | |
7444 | ||
7445 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7446 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7447 | ||
e35e4d28 | 7448 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7449 | } |
7450 | ||
9588bbd5 JM |
7451 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7452 | struct genl_info *info) | |
7453 | { | |
4c476991 | 7454 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7455 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7456 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7457 | struct sk_buff *msg; |
7458 | void *hdr; | |
7459 | u64 cookie; | |
683b6d3b | 7460 | u32 duration; |
9588bbd5 JM |
7461 | int err; |
7462 | ||
7463 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7464 | !info->attrs[NL80211_ATTR_DURATION]) | |
7465 | return -EINVAL; | |
7466 | ||
7467 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7468 | ||
ebf348fc JB |
7469 | if (!rdev->ops->remain_on_channel || |
7470 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7471 | return -EOPNOTSUPP; | |
7472 | ||
9588bbd5 | 7473 | /* |
ebf348fc JB |
7474 | * We should be on that channel for at least a minimum amount of |
7475 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7476 | */ |
ebf348fc | 7477 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7478 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7479 | return -EINVAL; |
7480 | ||
683b6d3b JB |
7481 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7482 | if (err) | |
7483 | return err; | |
9588bbd5 JM |
7484 | |
7485 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7486 | if (!msg) |
7487 | return -ENOMEM; | |
9588bbd5 | 7488 | |
15e47304 | 7489 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7490 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7491 | if (!hdr) { |
7492 | err = -ENOBUFS; | |
9588bbd5 JM |
7493 | goto free_msg; |
7494 | } | |
7495 | ||
683b6d3b JB |
7496 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7497 | duration, &cookie); | |
9588bbd5 JM |
7498 | |
7499 | if (err) | |
7500 | goto free_msg; | |
7501 | ||
9360ffd1 DM |
7502 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7503 | goto nla_put_failure; | |
9588bbd5 JM |
7504 | |
7505 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7506 | |
7507 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7508 | |
7509 | nla_put_failure: | |
7510 | err = -ENOBUFS; | |
7511 | free_msg: | |
7512 | nlmsg_free(msg); | |
9588bbd5 JM |
7513 | return err; |
7514 | } | |
7515 | ||
7516 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7517 | struct genl_info *info) | |
7518 | { | |
4c476991 | 7519 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7520 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7521 | u64 cookie; |
9588bbd5 JM |
7522 | |
7523 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7524 | return -EINVAL; | |
7525 | ||
4c476991 JB |
7526 | if (!rdev->ops->cancel_remain_on_channel) |
7527 | return -EOPNOTSUPP; | |
9588bbd5 | 7528 | |
9588bbd5 JM |
7529 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7530 | ||
e35e4d28 | 7531 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7532 | } |
7533 | ||
13ae75b1 JM |
7534 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7535 | u8 *rates, u8 rates_len) | |
7536 | { | |
7537 | u8 i; | |
7538 | u32 mask = 0; | |
7539 | ||
7540 | for (i = 0; i < rates_len; i++) { | |
7541 | int rate = (rates[i] & 0x7f) * 5; | |
7542 | int ridx; | |
7543 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7544 | struct ieee80211_rate *srate = | |
7545 | &sband->bitrates[ridx]; | |
7546 | if (rate == srate->bitrate) { | |
7547 | mask |= 1 << ridx; | |
7548 | break; | |
7549 | } | |
7550 | } | |
7551 | if (ridx == sband->n_bitrates) | |
7552 | return 0; /* rate not found */ | |
7553 | } | |
7554 | ||
7555 | return mask; | |
7556 | } | |
7557 | ||
24db78c0 SW |
7558 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7559 | u8 *rates, u8 rates_len, | |
7560 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7561 | { | |
7562 | u8 i; | |
7563 | ||
7564 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7565 | ||
7566 | for (i = 0; i < rates_len; i++) { | |
7567 | int ridx, rbit; | |
7568 | ||
7569 | ridx = rates[i] / 8; | |
7570 | rbit = BIT(rates[i] % 8); | |
7571 | ||
7572 | /* check validity */ | |
910570b5 | 7573 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7574 | return false; |
7575 | ||
7576 | /* check availability */ | |
7577 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7578 | mcs[ridx] |= rbit; | |
7579 | else | |
7580 | return false; | |
7581 | } | |
7582 | ||
7583 | return true; | |
7584 | } | |
7585 | ||
204e35a9 JD |
7586 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) |
7587 | { | |
7588 | u16 mcs_mask = 0; | |
7589 | ||
7590 | switch (vht_mcs_map) { | |
7591 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
7592 | break; | |
7593 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
7594 | mcs_mask = 0x00FF; | |
7595 | break; | |
7596 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
7597 | mcs_mask = 0x01FF; | |
7598 | break; | |
7599 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
7600 | mcs_mask = 0x03FF; | |
7601 | break; | |
7602 | default: | |
7603 | break; | |
7604 | } | |
7605 | ||
7606 | return mcs_mask; | |
7607 | } | |
7608 | ||
7609 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
7610 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
7611 | { | |
7612 | u8 nss; | |
7613 | ||
7614 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
7615 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
7616 | vht_mcs_map >>= 2; | |
7617 | } | |
7618 | } | |
7619 | ||
7620 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
7621 | struct nl80211_txrate_vht *txrate, | |
7622 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
7623 | { | |
7624 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7625 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
7626 | u8 i; | |
7627 | ||
7628 | if (!sband->vht_cap.vht_supported) | |
7629 | return false; | |
7630 | ||
7631 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
7632 | ||
7633 | /* Build vht_mcs_mask from VHT capabilities */ | |
7634 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
7635 | ||
7636 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
7637 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
7638 | mcs[i] = txrate->mcs[i]; | |
7639 | else | |
7640 | return false; | |
7641 | } | |
7642 | ||
7643 | return true; | |
7644 | } | |
7645 | ||
b54452b0 | 7646 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7647 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7648 | .len = NL80211_MAX_SUPP_RATES }, | |
d1e33e65 JD |
7649 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, |
7650 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
204e35a9 | 7651 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, |
0b9323f6 | 7652 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, |
13ae75b1 JM |
7653 | }; |
7654 | ||
7655 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7656 | struct genl_info *info) | |
7657 | { | |
7658 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7659 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7660 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7661 | int rem, i; |
7662 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7663 | struct nlattr *tx_rates; |
7664 | struct ieee80211_supported_band *sband; | |
204e35a9 | 7665 | u16 vht_tx_mcs_map; |
13ae75b1 | 7666 | |
4c476991 JB |
7667 | if (!rdev->ops->set_bitrate_mask) |
7668 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7669 | |
7670 | memset(&mask, 0, sizeof(mask)); | |
7671 | /* Default to all rates enabled */ | |
7672 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7673 | sband = rdev->wiphy.bands[i]; | |
7869303b JD |
7674 | |
7675 | if (!sband) | |
7676 | continue; | |
7677 | ||
7678 | mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | |
d1e33e65 | 7679 | memcpy(mask.control[i].ht_mcs, |
7869303b | 7680 | sband->ht_cap.mcs.rx_mask, |
d1e33e65 | 7681 | sizeof(mask.control[i].ht_mcs)); |
204e35a9 JD |
7682 | |
7683 | if (!sband->vht_cap.vht_supported) | |
7684 | continue; | |
7685 | ||
7686 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7687 | vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); | |
13ae75b1 JM |
7688 | } |
7689 | ||
b9243ab0 JD |
7690 | /* if no rates are given set it back to the defaults */ |
7691 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
7692 | goto out; | |
7693 | ||
13ae75b1 JM |
7694 | /* |
7695 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7696 | * directly to the enum ieee80211_band values used in cfg80211. | |
7697 | */ | |
24db78c0 | 7698 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
ae811e21 | 7699 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { |
13ae75b1 | 7700 | enum ieee80211_band band = nla_type(tx_rates); |
ae811e21 JB |
7701 | int err; |
7702 | ||
4c476991 JB |
7703 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7704 | return -EINVAL; | |
13ae75b1 | 7705 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7706 | if (sband == NULL) |
7707 | return -EINVAL; | |
ae811e21 JB |
7708 | err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7709 | nla_len(tx_rates), nl80211_txattr_policy); | |
7710 | if (err) | |
7711 | return err; | |
13ae75b1 JM |
7712 | if (tb[NL80211_TXRATE_LEGACY]) { |
7713 | mask.control[band].legacy = rateset_to_mask( | |
7714 | sband, | |
7715 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7716 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7717 | if ((mask.control[band].legacy == 0) && |
7718 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7719 | return -EINVAL; | |
24db78c0 | 7720 | } |
d1e33e65 | 7721 | if (tb[NL80211_TXRATE_HT]) { |
24db78c0 SW |
7722 | if (!ht_rateset_to_mask( |
7723 | sband, | |
d1e33e65 JD |
7724 | nla_data(tb[NL80211_TXRATE_HT]), |
7725 | nla_len(tb[NL80211_TXRATE_HT]), | |
7726 | mask.control[band].ht_mcs)) | |
24db78c0 SW |
7727 | return -EINVAL; |
7728 | } | |
204e35a9 JD |
7729 | if (tb[NL80211_TXRATE_VHT]) { |
7730 | if (!vht_set_mcs_mask( | |
7731 | sband, | |
7732 | nla_data(tb[NL80211_TXRATE_VHT]), | |
7733 | mask.control[band].vht_mcs)) | |
7734 | return -EINVAL; | |
7735 | } | |
0b9323f6 JD |
7736 | if (tb[NL80211_TXRATE_GI]) { |
7737 | mask.control[band].gi = | |
7738 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
7739 | if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
7740 | return -EINVAL; | |
7741 | } | |
24db78c0 SW |
7742 | |
7743 | if (mask.control[band].legacy == 0) { | |
204e35a9 JD |
7744 | /* don't allow empty legacy rates if HT or VHT |
7745 | * are not even supported. | |
7746 | */ | |
7747 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
7748 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
24db78c0 SW |
7749 | return -EINVAL; |
7750 | ||
7751 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
d1e33e65 | 7752 | if (mask.control[band].ht_mcs[i]) |
204e35a9 JD |
7753 | goto out; |
7754 | ||
7755 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
7756 | if (mask.control[band].vht_mcs[i]) | |
7757 | goto out; | |
24db78c0 SW |
7758 | |
7759 | /* legacy and mcs rates may not be both empty */ | |
204e35a9 | 7760 | return -EINVAL; |
13ae75b1 JM |
7761 | } |
7762 | } | |
7763 | ||
b9243ab0 | 7764 | out: |
e35e4d28 | 7765 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7766 | } |
7767 | ||
2e161f78 | 7768 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7769 | { |
4c476991 | 7770 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7771 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7772 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7773 | |
7774 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7775 | return -EINVAL; | |
7776 | ||
2e161f78 JB |
7777 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7778 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7779 | |
71bbc994 JB |
7780 | switch (wdev->iftype) { |
7781 | case NL80211_IFTYPE_STATION: | |
7782 | case NL80211_IFTYPE_ADHOC: | |
7783 | case NL80211_IFTYPE_P2P_CLIENT: | |
7784 | case NL80211_IFTYPE_AP: | |
7785 | case NL80211_IFTYPE_AP_VLAN: | |
7786 | case NL80211_IFTYPE_MESH_POINT: | |
7787 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7788 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7789 | break; |
7790 | default: | |
4c476991 | 7791 | return -EOPNOTSUPP; |
71bbc994 | 7792 | } |
026331c4 JM |
7793 | |
7794 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7795 | if (!rdev->ops->mgmt_tx) |
7796 | return -EOPNOTSUPP; | |
026331c4 | 7797 | |
15e47304 | 7798 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7799 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7800 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7801 | } |
7802 | ||
2e161f78 | 7803 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7804 | { |
4c476991 | 7805 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7806 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7807 | struct cfg80211_chan_def chandef; |
026331c4 | 7808 | int err; |
d64d373f | 7809 | void *hdr = NULL; |
026331c4 | 7810 | u64 cookie; |
e247bd90 | 7811 | struct sk_buff *msg = NULL; |
b176e629 AO |
7812 | struct cfg80211_mgmt_tx_params params = { |
7813 | .dont_wait_for_ack = | |
7814 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
7815 | }; | |
026331c4 | 7816 | |
683b6d3b | 7817 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7818 | return -EINVAL; |
7819 | ||
4c476991 JB |
7820 | if (!rdev->ops->mgmt_tx) |
7821 | return -EOPNOTSUPP; | |
026331c4 | 7822 | |
71bbc994 | 7823 | switch (wdev->iftype) { |
ea141b75 AQ |
7824 | case NL80211_IFTYPE_P2P_DEVICE: |
7825 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7826 | return -EINVAL; | |
71bbc994 JB |
7827 | case NL80211_IFTYPE_STATION: |
7828 | case NL80211_IFTYPE_ADHOC: | |
7829 | case NL80211_IFTYPE_P2P_CLIENT: | |
7830 | case NL80211_IFTYPE_AP: | |
7831 | case NL80211_IFTYPE_AP_VLAN: | |
7832 | case NL80211_IFTYPE_MESH_POINT: | |
7833 | case NL80211_IFTYPE_P2P_GO: | |
7834 | break; | |
7835 | default: | |
4c476991 | 7836 | return -EOPNOTSUPP; |
71bbc994 | 7837 | } |
026331c4 | 7838 | |
f7ca38df | 7839 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7840 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 7841 | return -EINVAL; |
b176e629 | 7842 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
7843 | |
7844 | /* | |
7845 | * We should wait on the channel for at least a minimum amount | |
7846 | * of time (10ms) but no longer than the driver supports. | |
7847 | */ | |
b176e629 AO |
7848 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
7849 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc JB |
7850 | return -EINVAL; |
7851 | ||
f7ca38df JB |
7852 | } |
7853 | ||
b176e629 | 7854 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 7855 | |
b176e629 | 7856 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
7857 | return -EINVAL; |
7858 | ||
b176e629 | 7859 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 7860 | |
ea141b75 AQ |
7861 | /* get the channel if any has been specified, otherwise pass NULL to |
7862 | * the driver. The latter will use the current one | |
7863 | */ | |
7864 | chandef.chan = NULL; | |
7865 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
7866 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
7867 | if (err) | |
7868 | return err; | |
7869 | } | |
7870 | ||
b176e629 | 7871 | if (!chandef.chan && params.offchan) |
ea141b75 | 7872 | return -EINVAL; |
026331c4 | 7873 | |
34d22ce2 AO |
7874 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
7875 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
7876 | ||
7877 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
7878 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
7879 | int i; | |
7880 | ||
7881 | if (len % sizeof(u16)) | |
7882 | return -EINVAL; | |
7883 | ||
7884 | params.n_csa_offsets = len / sizeof(u16); | |
7885 | params.csa_offsets = | |
7886 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
7887 | ||
7888 | /* check that all the offsets fit the frame */ | |
7889 | for (i = 0; i < params.n_csa_offsets; i++) { | |
7890 | if (params.csa_offsets[i] >= params.len) | |
7891 | return -EINVAL; | |
7892 | } | |
7893 | } | |
7894 | ||
b176e629 | 7895 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
7896 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
7897 | if (!msg) | |
7898 | return -ENOMEM; | |
026331c4 | 7899 | |
15e47304 | 7900 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7901 | NL80211_CMD_FRAME); |
cb35fba3 DC |
7902 | if (!hdr) { |
7903 | err = -ENOBUFS; | |
e247bd90 JB |
7904 | goto free_msg; |
7905 | } | |
026331c4 | 7906 | } |
e247bd90 | 7907 | |
b176e629 AO |
7908 | params.chan = chandef.chan; |
7909 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
7910 | if (err) |
7911 | goto free_msg; | |
7912 | ||
e247bd90 | 7913 | if (msg) { |
9360ffd1 DM |
7914 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7915 | goto nla_put_failure; | |
026331c4 | 7916 | |
e247bd90 JB |
7917 | genlmsg_end(msg, hdr); |
7918 | return genlmsg_reply(msg, info); | |
7919 | } | |
7920 | ||
7921 | return 0; | |
026331c4 JM |
7922 | |
7923 | nla_put_failure: | |
7924 | err = -ENOBUFS; | |
7925 | free_msg: | |
7926 | nlmsg_free(msg); | |
026331c4 JM |
7927 | return err; |
7928 | } | |
7929 | ||
f7ca38df JB |
7930 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7931 | { | |
7932 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7933 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7934 | u64 cookie; |
7935 | ||
7936 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7937 | return -EINVAL; | |
7938 | ||
7939 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7940 | return -EOPNOTSUPP; | |
7941 | ||
71bbc994 JB |
7942 | switch (wdev->iftype) { |
7943 | case NL80211_IFTYPE_STATION: | |
7944 | case NL80211_IFTYPE_ADHOC: | |
7945 | case NL80211_IFTYPE_P2P_CLIENT: | |
7946 | case NL80211_IFTYPE_AP: | |
7947 | case NL80211_IFTYPE_AP_VLAN: | |
7948 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7949 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7950 | break; |
7951 | default: | |
f7ca38df | 7952 | return -EOPNOTSUPP; |
71bbc994 | 7953 | } |
f7ca38df JB |
7954 | |
7955 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7956 | ||
e35e4d28 | 7957 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7958 | } |
7959 | ||
ffb9eb3d KV |
7960 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7961 | { | |
4c476991 | 7962 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7963 | struct wireless_dev *wdev; |
4c476991 | 7964 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7965 | u8 ps_state; |
7966 | bool state; | |
7967 | int err; | |
7968 | ||
4c476991 JB |
7969 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7970 | return -EINVAL; | |
ffb9eb3d KV |
7971 | |
7972 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7973 | ||
4c476991 JB |
7974 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7975 | return -EINVAL; | |
ffb9eb3d KV |
7976 | |
7977 | wdev = dev->ieee80211_ptr; | |
7978 | ||
4c476991 JB |
7979 | if (!rdev->ops->set_power_mgmt) |
7980 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7981 | |
7982 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7983 | ||
7984 | if (state == wdev->ps) | |
4c476991 | 7985 | return 0; |
ffb9eb3d | 7986 | |
e35e4d28 | 7987 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7988 | if (!err) |
7989 | wdev->ps = state; | |
ffb9eb3d KV |
7990 | return err; |
7991 | } | |
7992 | ||
7993 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7994 | { | |
4c476991 | 7995 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7996 | enum nl80211_ps_state ps_state; |
7997 | struct wireless_dev *wdev; | |
4c476991 | 7998 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7999 | struct sk_buff *msg; |
8000 | void *hdr; | |
8001 | int err; | |
8002 | ||
ffb9eb3d KV |
8003 | wdev = dev->ieee80211_ptr; |
8004 | ||
4c476991 JB |
8005 | if (!rdev->ops->set_power_mgmt) |
8006 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
8007 | |
8008 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
8009 | if (!msg) |
8010 | return -ENOMEM; | |
ffb9eb3d | 8011 | |
15e47304 | 8012 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
8013 | NL80211_CMD_GET_POWER_SAVE); |
8014 | if (!hdr) { | |
4c476991 | 8015 | err = -ENOBUFS; |
ffb9eb3d KV |
8016 | goto free_msg; |
8017 | } | |
8018 | ||
8019 | if (wdev->ps) | |
8020 | ps_state = NL80211_PS_ENABLED; | |
8021 | else | |
8022 | ps_state = NL80211_PS_DISABLED; | |
8023 | ||
9360ffd1 DM |
8024 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
8025 | goto nla_put_failure; | |
ffb9eb3d KV |
8026 | |
8027 | genlmsg_end(msg, hdr); | |
4c476991 | 8028 | return genlmsg_reply(msg, info); |
ffb9eb3d | 8029 | |
4c476991 | 8030 | nla_put_failure: |
ffb9eb3d | 8031 | err = -ENOBUFS; |
4c476991 | 8032 | free_msg: |
ffb9eb3d | 8033 | nlmsg_free(msg); |
ffb9eb3d KV |
8034 | return err; |
8035 | } | |
8036 | ||
94e860f1 JB |
8037 | static const struct nla_policy |
8038 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
8039 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
8040 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
8041 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
8042 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
8043 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
8044 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
8045 | }; |
8046 | ||
84f10708 | 8047 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 8048 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
8049 | { |
8050 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 8051 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8052 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 8053 | |
d9d8b019 | 8054 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
8055 | return -EINVAL; |
8056 | ||
84f10708 TP |
8057 | if (!rdev->ops->set_cqm_txe_config) |
8058 | return -EOPNOTSUPP; | |
8059 | ||
8060 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
8061 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
8062 | return -EOPNOTSUPP; | |
8063 | ||
e35e4d28 | 8064 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
8065 | } |
8066 | ||
d6dc1a38 JO |
8067 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
8068 | s32 threshold, u32 hysteresis) | |
8069 | { | |
4c476991 | 8070 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 8071 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8072 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
8073 | |
8074 | if (threshold > 0) | |
8075 | return -EINVAL; | |
8076 | ||
1da5fcc8 JB |
8077 | /* disabling - hysteresis should also be zero then */ |
8078 | if (threshold == 0) | |
8079 | hysteresis = 0; | |
d6dc1a38 | 8080 | |
4c476991 JB |
8081 | if (!rdev->ops->set_cqm_rssi_config) |
8082 | return -EOPNOTSUPP; | |
d6dc1a38 | 8083 | |
074ac8df | 8084 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8085 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8086 | return -EOPNOTSUPP; | |
d6dc1a38 | 8087 | |
e35e4d28 | 8088 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
8089 | } |
8090 | ||
8091 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
8092 | { | |
8093 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
8094 | struct nlattr *cqm; | |
8095 | int err; | |
8096 | ||
8097 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
8098 | if (!cqm) |
8099 | return -EINVAL; | |
d6dc1a38 JO |
8100 | |
8101 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
8102 | nl80211_attr_cqm_policy); | |
8103 | if (err) | |
1da5fcc8 | 8104 | return err; |
d6dc1a38 JO |
8105 | |
8106 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
8107 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
8108 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
8109 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 8110 | |
1da5fcc8 JB |
8111 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
8112 | } | |
8113 | ||
8114 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
8115 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
8116 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
8117 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
8118 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
8119 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
8120 | ||
8121 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
8122 | } | |
8123 | ||
8124 | return -EINVAL; | |
d6dc1a38 JO |
8125 | } |
8126 | ||
29cbe68c JB |
8127 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
8128 | { | |
8129 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8130 | struct net_device *dev = info->user_ptr[1]; | |
8131 | struct mesh_config cfg; | |
c80d545d | 8132 | struct mesh_setup setup; |
29cbe68c JB |
8133 | int err; |
8134 | ||
8135 | /* start with default */ | |
8136 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 8137 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 8138 | |
24bdd9f4 | 8139 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 8140 | /* and parse parameters if given */ |
24bdd9f4 | 8141 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
8142 | if (err) |
8143 | return err; | |
8144 | } | |
8145 | ||
8146 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
8147 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
8148 | return -EINVAL; | |
8149 | ||
c80d545d JC |
8150 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
8151 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
8152 | ||
4bb62344 CYY |
8153 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8154 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
8155 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8156 | return -EINVAL; | |
8157 | ||
9bdbf04d MP |
8158 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
8159 | setup.beacon_interval = | |
8160 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
8161 | if (setup.beacon_interval < 10 || | |
8162 | setup.beacon_interval > 10000) | |
8163 | return -EINVAL; | |
8164 | } | |
8165 | ||
8166 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
8167 | setup.dtim_period = | |
8168 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
8169 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
8170 | return -EINVAL; | |
8171 | } | |
8172 | ||
c80d545d JC |
8173 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
8174 | /* parse additional setup parameters if given */ | |
8175 | err = nl80211_parse_mesh_setup(info, &setup); | |
8176 | if (err) | |
8177 | return err; | |
8178 | } | |
8179 | ||
d37bb18a TP |
8180 | if (setup.user_mpm) |
8181 | cfg.auto_open_plinks = false; | |
8182 | ||
cc1d2806 | 8183 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
8184 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
8185 | if (err) | |
8186 | return err; | |
cc1d2806 JB |
8187 | } else { |
8188 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 8189 | setup.chandef.chan = NULL; |
cc1d2806 JB |
8190 | } |
8191 | ||
ffb3cf30 AN |
8192 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8193 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8194 | int n_rates = | |
8195 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8196 | struct ieee80211_supported_band *sband; | |
8197 | ||
8198 | if (!setup.chandef.chan) | |
8199 | return -EINVAL; | |
8200 | ||
8201 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
8202 | ||
8203 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
8204 | &setup.basic_rates); | |
8205 | if (err) | |
8206 | return err; | |
8207 | } | |
8208 | ||
c80d545d | 8209 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
8210 | } |
8211 | ||
8212 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
8213 | { | |
8214 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8215 | struct net_device *dev = info->user_ptr[1]; | |
8216 | ||
8217 | return cfg80211_leave_mesh(rdev, dev); | |
8218 | } | |
8219 | ||
dfb89c56 | 8220 | #ifdef CONFIG_PM |
bb92d199 AK |
8221 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
8222 | struct cfg80211_registered_device *rdev) | |
8223 | { | |
6abb9cb9 | 8224 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
8225 | struct nlattr *nl_pats, *nl_pat; |
8226 | int i, pat_len; | |
8227 | ||
6abb9cb9 | 8228 | if (!wowlan->n_patterns) |
bb92d199 AK |
8229 | return 0; |
8230 | ||
8231 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
8232 | if (!nl_pats) | |
8233 | return -ENOBUFS; | |
8234 | ||
6abb9cb9 | 8235 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
8236 | nl_pat = nla_nest_start(msg, i + 1); |
8237 | if (!nl_pat) | |
8238 | return -ENOBUFS; | |
6abb9cb9 | 8239 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 8240 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 8241 | wowlan->patterns[i].mask) || |
50ac6607 AK |
8242 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
8243 | wowlan->patterns[i].pattern) || | |
8244 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 8245 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
8246 | return -ENOBUFS; |
8247 | nla_nest_end(msg, nl_pat); | |
8248 | } | |
8249 | nla_nest_end(msg, nl_pats); | |
8250 | ||
8251 | return 0; | |
8252 | } | |
8253 | ||
2a0e047e JB |
8254 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
8255 | struct cfg80211_wowlan_tcp *tcp) | |
8256 | { | |
8257 | struct nlattr *nl_tcp; | |
8258 | ||
8259 | if (!tcp) | |
8260 | return 0; | |
8261 | ||
8262 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
8263 | if (!nl_tcp) | |
8264 | return -ENOBUFS; | |
8265 | ||
8266 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
8267 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
8268 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
8269 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
8270 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
8271 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
8272 | tcp->payload_len, tcp->payload) || | |
8273 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
8274 | tcp->data_interval) || | |
8275 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
8276 | tcp->wake_len, tcp->wake_data) || | |
8277 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
8278 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
8279 | return -ENOBUFS; | |
8280 | ||
8281 | if (tcp->payload_seq.len && | |
8282 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
8283 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
8284 | return -ENOBUFS; | |
8285 | ||
8286 | if (tcp->payload_tok.len && | |
8287 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
8288 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
8289 | &tcp->payload_tok)) | |
8290 | return -ENOBUFS; | |
8291 | ||
e248ad30 JB |
8292 | nla_nest_end(msg, nl_tcp); |
8293 | ||
2a0e047e JB |
8294 | return 0; |
8295 | } | |
8296 | ||
ff1b6e69 JB |
8297 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
8298 | { | |
8299 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8300 | struct sk_buff *msg; | |
8301 | void *hdr; | |
2a0e047e | 8302 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 8303 | |
964dc9e2 | 8304 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
8305 | return -EOPNOTSUPP; |
8306 | ||
6abb9cb9 | 8307 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 8308 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
8309 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
8310 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
8311 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
8312 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
8313 | } |
8314 | ||
8315 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
8316 | if (!msg) |
8317 | return -ENOMEM; | |
8318 | ||
15e47304 | 8319 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
8320 | NL80211_CMD_GET_WOWLAN); |
8321 | if (!hdr) | |
8322 | goto nla_put_failure; | |
8323 | ||
6abb9cb9 | 8324 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
8325 | struct nlattr *nl_wowlan; |
8326 | ||
8327 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
8328 | if (!nl_wowlan) | |
8329 | goto nla_put_failure; | |
8330 | ||
6abb9cb9 | 8331 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 8332 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 8333 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 8334 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 8335 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 8336 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 8337 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 8338 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 8339 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 8340 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 8341 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 8342 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 8343 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
8344 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
8345 | goto nla_put_failure; | |
2a0e047e | 8346 | |
bb92d199 AK |
8347 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
8348 | goto nla_put_failure; | |
2a0e047e | 8349 | |
6abb9cb9 JB |
8350 | if (nl80211_send_wowlan_tcp(msg, |
8351 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
8352 | goto nla_put_failure; |
8353 | ||
ff1b6e69 JB |
8354 | nla_nest_end(msg, nl_wowlan); |
8355 | } | |
8356 | ||
8357 | genlmsg_end(msg, hdr); | |
8358 | return genlmsg_reply(msg, info); | |
8359 | ||
8360 | nla_put_failure: | |
8361 | nlmsg_free(msg); | |
8362 | return -ENOBUFS; | |
8363 | } | |
8364 | ||
2a0e047e JB |
8365 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
8366 | struct nlattr *attr, | |
8367 | struct cfg80211_wowlan *trig) | |
8368 | { | |
8369 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
8370 | struct cfg80211_wowlan_tcp *cfg; | |
8371 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
8372 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
8373 | u32 size; | |
8374 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
8375 | int err, port; | |
8376 | ||
964dc9e2 | 8377 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
8378 | return -EINVAL; |
8379 | ||
8380 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
8381 | nla_data(attr), nla_len(attr), | |
8382 | nl80211_wowlan_tcp_policy); | |
8383 | if (err) | |
8384 | return err; | |
8385 | ||
8386 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8387 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8388 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8389 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8390 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8391 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8392 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8393 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8394 | return -EINVAL; | |
8395 | ||
8396 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8397 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8398 | return -EINVAL; |
8399 | ||
8400 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8401 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8402 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8403 | return -EINVAL; |
8404 | ||
8405 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8406 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8407 | return -EINVAL; |
8408 | ||
8409 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8410 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8411 | return -EINVAL; | |
8412 | ||
8413 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8414 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8415 | ||
8416 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8417 | tokens_size = tokln - sizeof(*tok); | |
8418 | ||
8419 | if (!tok->len || tokens_size % tok->len) | |
8420 | return -EINVAL; | |
964dc9e2 | 8421 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8422 | return -EINVAL; |
964dc9e2 | 8423 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8424 | return -EINVAL; |
964dc9e2 | 8425 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8426 | return -EINVAL; |
964dc9e2 | 8427 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8428 | return -EINVAL; |
8429 | if (tok->offset + tok->len > data_size) | |
8430 | return -EINVAL; | |
8431 | } | |
8432 | ||
8433 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8434 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8435 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8436 | return -EINVAL; |
8437 | if (seq->len == 0 || seq->len > 4) | |
8438 | return -EINVAL; | |
8439 | if (seq->len + seq->offset > data_size) | |
8440 | return -EINVAL; | |
8441 | } | |
8442 | ||
8443 | size = sizeof(*cfg); | |
8444 | size += data_size; | |
8445 | size += wake_size + wake_mask_size; | |
8446 | size += tokens_size; | |
8447 | ||
8448 | cfg = kzalloc(size, GFP_KERNEL); | |
8449 | if (!cfg) | |
8450 | return -ENOMEM; | |
8451 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8452 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8453 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8454 | ETH_ALEN); | |
8455 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8456 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8457 | else | |
8458 | port = 0; | |
8459 | #ifdef CONFIG_INET | |
8460 | /* allocate a socket and port for it and use it */ | |
8461 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8462 | IPPROTO_TCP, &cfg->sock, 1); | |
8463 | if (err) { | |
8464 | kfree(cfg); | |
8465 | return err; | |
8466 | } | |
8467 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8468 | sock_release(cfg->sock); | |
8469 | kfree(cfg); | |
8470 | return -EADDRINUSE; | |
8471 | } | |
8472 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8473 | #else | |
8474 | if (!port) { | |
8475 | kfree(cfg); | |
8476 | return -EINVAL; | |
8477 | } | |
8478 | cfg->src_port = port; | |
8479 | #endif | |
8480 | ||
8481 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8482 | cfg->payload_len = data_size; | |
8483 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8484 | memcpy((void *)cfg->payload, | |
8485 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8486 | data_size); | |
8487 | if (seq) | |
8488 | cfg->payload_seq = *seq; | |
8489 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8490 | cfg->wake_len = wake_size; | |
8491 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8492 | memcpy((void *)cfg->wake_data, | |
8493 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8494 | wake_size); | |
8495 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8496 | data_size + wake_size; | |
8497 | memcpy((void *)cfg->wake_mask, | |
8498 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8499 | wake_mask_size); | |
8500 | if (tok) { | |
8501 | cfg->tokens_size = tokens_size; | |
8502 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8503 | } | |
8504 | ||
8505 | trig->tcp = cfg; | |
8506 | ||
8507 | return 0; | |
8508 | } | |
8509 | ||
ff1b6e69 JB |
8510 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8511 | { | |
8512 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8513 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8514 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8515 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8516 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8517 | int err, i; |
6abb9cb9 | 8518 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8519 | |
964dc9e2 | 8520 | if (!wowlan) |
ff1b6e69 JB |
8521 | return -EOPNOTSUPP; |
8522 | ||
ae33bd81 JB |
8523 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8524 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8525 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8526 | goto set_wakeup; |
8527 | } | |
ff1b6e69 JB |
8528 | |
8529 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8530 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8531 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8532 | nl80211_wowlan_policy); | |
8533 | if (err) | |
8534 | return err; | |
8535 | ||
8536 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8537 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8538 | return -EINVAL; | |
8539 | new_triggers.any = true; | |
8540 | } | |
8541 | ||
8542 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8543 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8544 | return -EINVAL; | |
8545 | new_triggers.disconnect = true; | |
8546 | } | |
8547 | ||
8548 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8549 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8550 | return -EINVAL; | |
8551 | new_triggers.magic_pkt = true; | |
8552 | } | |
8553 | ||
77dbbb13 JB |
8554 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8555 | return -EINVAL; | |
8556 | ||
8557 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8558 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8559 | return -EINVAL; | |
8560 | new_triggers.gtk_rekey_failure = true; | |
8561 | } | |
8562 | ||
8563 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8564 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8565 | return -EINVAL; | |
8566 | new_triggers.eap_identity_req = true; | |
8567 | } | |
8568 | ||
8569 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8570 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8571 | return -EINVAL; | |
8572 | new_triggers.four_way_handshake = true; | |
8573 | } | |
8574 | ||
8575 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8576 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8577 | return -EINVAL; | |
8578 | new_triggers.rfkill_release = true; | |
8579 | } | |
8580 | ||
ff1b6e69 JB |
8581 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8582 | struct nlattr *pat; | |
8583 | int n_patterns = 0; | |
bb92d199 | 8584 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8585 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8586 | |
8587 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8588 | rem) | |
8589 | n_patterns++; | |
8590 | if (n_patterns > wowlan->n_patterns) | |
8591 | return -EINVAL; | |
8592 | ||
8593 | new_triggers.patterns = kcalloc(n_patterns, | |
8594 | sizeof(new_triggers.patterns[0]), | |
8595 | GFP_KERNEL); | |
8596 | if (!new_triggers.patterns) | |
8597 | return -ENOMEM; | |
8598 | ||
8599 | new_triggers.n_patterns = n_patterns; | |
8600 | i = 0; | |
8601 | ||
8602 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8603 | rem) { | |
922bd80f JB |
8604 | u8 *mask_pat; |
8605 | ||
50ac6607 AK |
8606 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8607 | nla_len(pat), NULL); | |
ff1b6e69 | 8608 | err = -EINVAL; |
50ac6607 AK |
8609 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8610 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8611 | goto error; |
50ac6607 | 8612 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8613 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8614 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8615 | goto error; |
8616 | if (pat_len > wowlan->pattern_max_len || | |
8617 | pat_len < wowlan->pattern_min_len) | |
8618 | goto error; | |
8619 | ||
50ac6607 | 8620 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8621 | pkt_offset = 0; |
8622 | else | |
8623 | pkt_offset = nla_get_u32( | |
50ac6607 | 8624 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8625 | if (pkt_offset > wowlan->max_pkt_offset) |
8626 | goto error; | |
8627 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8628 | ||
922bd80f JB |
8629 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
8630 | if (!mask_pat) { | |
ff1b6e69 JB |
8631 | err = -ENOMEM; |
8632 | goto error; | |
8633 | } | |
922bd80f JB |
8634 | new_triggers.patterns[i].mask = mask_pat; |
8635 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 8636 | mask_len); |
922bd80f JB |
8637 | mask_pat += mask_len; |
8638 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 8639 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 8640 | memcpy(mask_pat, |
50ac6607 | 8641 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8642 | pat_len); |
8643 | i++; | |
8644 | } | |
8645 | } | |
8646 | ||
2a0e047e JB |
8647 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8648 | err = nl80211_parse_wowlan_tcp( | |
8649 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8650 | &new_triggers); | |
8651 | if (err) | |
8652 | goto error; | |
8653 | } | |
8654 | ||
ae33bd81 JB |
8655 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
8656 | if (!ntrig) { | |
8657 | err = -ENOMEM; | |
8658 | goto error; | |
ff1b6e69 | 8659 | } |
ae33bd81 | 8660 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 8661 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 8662 | |
ae33bd81 | 8663 | set_wakeup: |
6abb9cb9 JB |
8664 | if (rdev->ops->set_wakeup && |
8665 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
8666 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 8667 | |
ff1b6e69 JB |
8668 | return 0; |
8669 | error: | |
8670 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8671 | kfree(new_triggers.patterns[i].mask); | |
8672 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8673 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8674 | sock_release(new_triggers.tcp->sock); | |
8675 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8676 | return err; |
8677 | } | |
dfb89c56 | 8678 | #endif |
ff1b6e69 | 8679 | |
be29b99a AK |
8680 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
8681 | struct cfg80211_registered_device *rdev) | |
8682 | { | |
8683 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
8684 | int i, j, pat_len; | |
8685 | struct cfg80211_coalesce_rules *rule; | |
8686 | ||
8687 | if (!rdev->coalesce->n_rules) | |
8688 | return 0; | |
8689 | ||
8690 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
8691 | if (!nl_rules) | |
8692 | return -ENOBUFS; | |
8693 | ||
8694 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
8695 | nl_rule = nla_nest_start(msg, i + 1); | |
8696 | if (!nl_rule) | |
8697 | return -ENOBUFS; | |
8698 | ||
8699 | rule = &rdev->coalesce->rules[i]; | |
8700 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
8701 | rule->delay)) | |
8702 | return -ENOBUFS; | |
8703 | ||
8704 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
8705 | rule->condition)) | |
8706 | return -ENOBUFS; | |
8707 | ||
8708 | nl_pats = nla_nest_start(msg, | |
8709 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
8710 | if (!nl_pats) | |
8711 | return -ENOBUFS; | |
8712 | ||
8713 | for (j = 0; j < rule->n_patterns; j++) { | |
8714 | nl_pat = nla_nest_start(msg, j + 1); | |
8715 | if (!nl_pat) | |
8716 | return -ENOBUFS; | |
8717 | pat_len = rule->patterns[j].pattern_len; | |
8718 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
8719 | DIV_ROUND_UP(pat_len, 8), | |
8720 | rule->patterns[j].mask) || | |
8721 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
8722 | rule->patterns[j].pattern) || | |
8723 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
8724 | rule->patterns[j].pkt_offset)) | |
8725 | return -ENOBUFS; | |
8726 | nla_nest_end(msg, nl_pat); | |
8727 | } | |
8728 | nla_nest_end(msg, nl_pats); | |
8729 | nla_nest_end(msg, nl_rule); | |
8730 | } | |
8731 | nla_nest_end(msg, nl_rules); | |
8732 | ||
8733 | return 0; | |
8734 | } | |
8735 | ||
8736 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8737 | { | |
8738 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8739 | struct sk_buff *msg; | |
8740 | void *hdr; | |
8741 | ||
8742 | if (!rdev->wiphy.coalesce) | |
8743 | return -EOPNOTSUPP; | |
8744 | ||
8745 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8746 | if (!msg) | |
8747 | return -ENOMEM; | |
8748 | ||
8749 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8750 | NL80211_CMD_GET_COALESCE); | |
8751 | if (!hdr) | |
8752 | goto nla_put_failure; | |
8753 | ||
8754 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
8755 | goto nla_put_failure; | |
8756 | ||
8757 | genlmsg_end(msg, hdr); | |
8758 | return genlmsg_reply(msg, info); | |
8759 | ||
8760 | nla_put_failure: | |
8761 | nlmsg_free(msg); | |
8762 | return -ENOBUFS; | |
8763 | } | |
8764 | ||
8765 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
8766 | { | |
8767 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
8768 | int i, j; | |
8769 | struct cfg80211_coalesce_rules *rule; | |
8770 | ||
8771 | if (!coalesce) | |
8772 | return; | |
8773 | ||
8774 | for (i = 0; i < coalesce->n_rules; i++) { | |
8775 | rule = &coalesce->rules[i]; | |
8776 | for (j = 0; j < rule->n_patterns; j++) | |
8777 | kfree(rule->patterns[j].mask); | |
8778 | kfree(rule->patterns); | |
8779 | } | |
8780 | kfree(coalesce->rules); | |
8781 | kfree(coalesce); | |
8782 | rdev->coalesce = NULL; | |
8783 | } | |
8784 | ||
8785 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
8786 | struct nlattr *rule, | |
8787 | struct cfg80211_coalesce_rules *new_rule) | |
8788 | { | |
8789 | int err, i; | |
8790 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8791 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
8792 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
8793 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
8794 | ||
8795 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
8796 | nla_len(rule), nl80211_coalesce_policy); | |
8797 | if (err) | |
8798 | return err; | |
8799 | ||
8800 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
8801 | new_rule->delay = | |
8802 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
8803 | if (new_rule->delay > coalesce->max_delay) | |
8804 | return -EINVAL; | |
8805 | ||
8806 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
8807 | new_rule->condition = | |
8808 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
8809 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
8810 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
8811 | return -EINVAL; | |
8812 | ||
8813 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
8814 | return -EINVAL; | |
8815 | ||
8816 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8817 | rem) | |
8818 | n_patterns++; | |
8819 | if (n_patterns > coalesce->n_patterns) | |
8820 | return -EINVAL; | |
8821 | ||
8822 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
8823 | GFP_KERNEL); | |
8824 | if (!new_rule->patterns) | |
8825 | return -ENOMEM; | |
8826 | ||
8827 | new_rule->n_patterns = n_patterns; | |
8828 | i = 0; | |
8829 | ||
8830 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8831 | rem) { | |
922bd80f JB |
8832 | u8 *mask_pat; |
8833 | ||
be29b99a AK |
8834 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8835 | nla_len(pat), NULL); | |
8836 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
8837 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
8838 | return -EINVAL; | |
8839 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
8840 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
8841 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
8842 | return -EINVAL; | |
8843 | if (pat_len > coalesce->pattern_max_len || | |
8844 | pat_len < coalesce->pattern_min_len) | |
8845 | return -EINVAL; | |
8846 | ||
8847 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
8848 | pkt_offset = 0; | |
8849 | else | |
8850 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
8851 | if (pkt_offset > coalesce->max_pkt_offset) | |
8852 | return -EINVAL; | |
8853 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
8854 | ||
922bd80f JB |
8855 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
8856 | if (!mask_pat) | |
be29b99a | 8857 | return -ENOMEM; |
922bd80f JB |
8858 | |
8859 | new_rule->patterns[i].mask = mask_pat; | |
8860 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
8861 | mask_len); | |
8862 | ||
8863 | mask_pat += mask_len; | |
8864 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 8865 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
8866 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
8867 | pat_len); | |
be29b99a AK |
8868 | i++; |
8869 | } | |
8870 | ||
8871 | return 0; | |
8872 | } | |
8873 | ||
8874 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8875 | { | |
8876 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8877 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8878 | struct cfg80211_coalesce new_coalesce = {}; | |
8879 | struct cfg80211_coalesce *n_coalesce; | |
8880 | int err, rem_rule, n_rules = 0, i, j; | |
8881 | struct nlattr *rule; | |
8882 | struct cfg80211_coalesce_rules *tmp_rule; | |
8883 | ||
8884 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
8885 | return -EOPNOTSUPP; | |
8886 | ||
8887 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
8888 | cfg80211_rdev_free_coalesce(rdev); | |
8889 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
8890 | return 0; | |
8891 | } | |
8892 | ||
8893 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8894 | rem_rule) | |
8895 | n_rules++; | |
8896 | if (n_rules > coalesce->n_rules) | |
8897 | return -EINVAL; | |
8898 | ||
8899 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
8900 | GFP_KERNEL); | |
8901 | if (!new_coalesce.rules) | |
8902 | return -ENOMEM; | |
8903 | ||
8904 | new_coalesce.n_rules = n_rules; | |
8905 | i = 0; | |
8906 | ||
8907 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8908 | rem_rule) { | |
8909 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
8910 | &new_coalesce.rules[i]); | |
8911 | if (err) | |
8912 | goto error; | |
8913 | ||
8914 | i++; | |
8915 | } | |
8916 | ||
8917 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
8918 | if (err) | |
8919 | goto error; | |
8920 | ||
8921 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
8922 | if (!n_coalesce) { | |
8923 | err = -ENOMEM; | |
8924 | goto error; | |
8925 | } | |
8926 | cfg80211_rdev_free_coalesce(rdev); | |
8927 | rdev->coalesce = n_coalesce; | |
8928 | ||
8929 | return 0; | |
8930 | error: | |
8931 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
8932 | tmp_rule = &new_coalesce.rules[i]; | |
8933 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
8934 | kfree(tmp_rule->patterns[j].mask); | |
8935 | kfree(tmp_rule->patterns); | |
8936 | } | |
8937 | kfree(new_coalesce.rules); | |
8938 | ||
8939 | return err; | |
8940 | } | |
8941 | ||
e5497d76 JB |
8942 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8943 | { | |
8944 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8945 | struct net_device *dev = info->user_ptr[1]; | |
8946 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8947 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8948 | struct cfg80211_gtk_rekey_data rekey_data; | |
8949 | int err; | |
8950 | ||
8951 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8952 | return -EINVAL; | |
8953 | ||
8954 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8955 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8956 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8957 | nl80211_rekey_policy); | |
8958 | if (err) | |
8959 | return err; | |
8960 | ||
8961 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8962 | return -ERANGE; | |
8963 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8964 | return -ERANGE; | |
8965 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8966 | return -ERANGE; | |
8967 | ||
78f686ca JB |
8968 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
8969 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
8970 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
8971 | |
8972 | wdev_lock(wdev); | |
8973 | if (!wdev->current_bss) { | |
8974 | err = -ENOTCONN; | |
8975 | goto out; | |
8976 | } | |
8977 | ||
8978 | if (!rdev->ops->set_rekey_data) { | |
8979 | err = -EOPNOTSUPP; | |
8980 | goto out; | |
8981 | } | |
8982 | ||
e35e4d28 | 8983 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8984 | out: |
8985 | wdev_unlock(wdev); | |
8986 | return err; | |
8987 | } | |
8988 | ||
28946da7 JB |
8989 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8990 | struct genl_info *info) | |
8991 | { | |
8992 | struct net_device *dev = info->user_ptr[1]; | |
8993 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8994 | ||
8995 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8996 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8997 | return -EINVAL; | |
8998 | ||
15e47304 | 8999 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
9000 | return -EBUSY; |
9001 | ||
15e47304 | 9002 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
9003 | return 0; |
9004 | } | |
9005 | ||
7f6cf311 JB |
9006 | static int nl80211_probe_client(struct sk_buff *skb, |
9007 | struct genl_info *info) | |
9008 | { | |
9009 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9010 | struct net_device *dev = info->user_ptr[1]; | |
9011 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9012 | struct sk_buff *msg; | |
9013 | void *hdr; | |
9014 | const u8 *addr; | |
9015 | u64 cookie; | |
9016 | int err; | |
9017 | ||
9018 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
9019 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
9020 | return -EOPNOTSUPP; | |
9021 | ||
9022 | if (!info->attrs[NL80211_ATTR_MAC]) | |
9023 | return -EINVAL; | |
9024 | ||
9025 | if (!rdev->ops->probe_client) | |
9026 | return -EOPNOTSUPP; | |
9027 | ||
9028 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9029 | if (!msg) | |
9030 | return -ENOMEM; | |
9031 | ||
15e47304 | 9032 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 9033 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
9034 | if (!hdr) { |
9035 | err = -ENOBUFS; | |
7f6cf311 JB |
9036 | goto free_msg; |
9037 | } | |
9038 | ||
9039 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9040 | ||
e35e4d28 | 9041 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
9042 | if (err) |
9043 | goto free_msg; | |
9044 | ||
9360ffd1 DM |
9045 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
9046 | goto nla_put_failure; | |
7f6cf311 JB |
9047 | |
9048 | genlmsg_end(msg, hdr); | |
9049 | ||
9050 | return genlmsg_reply(msg, info); | |
9051 | ||
9052 | nla_put_failure: | |
9053 | err = -ENOBUFS; | |
9054 | free_msg: | |
9055 | nlmsg_free(msg); | |
9056 | return err; | |
9057 | } | |
9058 | ||
5e760230 JB |
9059 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
9060 | { | |
9061 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
9062 | struct cfg80211_beacon_registration *reg, *nreg; |
9063 | int rv; | |
5e760230 JB |
9064 | |
9065 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
9066 | return -EOPNOTSUPP; | |
9067 | ||
37c73b5f BG |
9068 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
9069 | if (!nreg) | |
9070 | return -ENOMEM; | |
9071 | ||
9072 | /* First, check if already registered. */ | |
9073 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
9074 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
9075 | if (reg->nlportid == info->snd_portid) { | |
9076 | rv = -EALREADY; | |
9077 | goto out_err; | |
9078 | } | |
9079 | } | |
9080 | /* Add it to the list */ | |
9081 | nreg->nlportid = info->snd_portid; | |
9082 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 9083 | |
37c73b5f | 9084 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
9085 | |
9086 | return 0; | |
37c73b5f BG |
9087 | out_err: |
9088 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
9089 | kfree(nreg); | |
9090 | return rv; | |
5e760230 JB |
9091 | } |
9092 | ||
98104fde JB |
9093 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
9094 | { | |
9095 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9096 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9097 | int err; | |
9098 | ||
9099 | if (!rdev->ops->start_p2p_device) | |
9100 | return -EOPNOTSUPP; | |
9101 | ||
9102 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9103 | return -EOPNOTSUPP; | |
9104 | ||
9105 | if (wdev->p2p_started) | |
9106 | return 0; | |
9107 | ||
b6a55015 LC |
9108 | if (rfkill_blocked(rdev->rfkill)) |
9109 | return -ERFKILL; | |
98104fde | 9110 | |
eeb126e9 | 9111 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
9112 | if (err) |
9113 | return err; | |
9114 | ||
9115 | wdev->p2p_started = true; | |
98104fde | 9116 | rdev->opencount++; |
98104fde JB |
9117 | |
9118 | return 0; | |
9119 | } | |
9120 | ||
9121 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
9122 | { | |
9123 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9124 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9125 | ||
9126 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9127 | return -EOPNOTSUPP; | |
9128 | ||
9129 | if (!rdev->ops->stop_p2p_device) | |
9130 | return -EOPNOTSUPP; | |
9131 | ||
f9f47529 | 9132 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
9133 | |
9134 | return 0; | |
9135 | } | |
9136 | ||
3713b4e3 JB |
9137 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
9138 | struct genl_info *info) | |
9139 | { | |
9140 | void *hdr; | |
9141 | struct sk_buff *msg; | |
9142 | ||
9143 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9144 | if (!msg) | |
9145 | return -ENOMEM; | |
9146 | ||
9147 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
9148 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
9149 | if (!hdr) | |
9150 | goto nla_put_failure; | |
9151 | ||
9152 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
9153 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
9154 | goto nla_put_failure; | |
9155 | ||
9156 | genlmsg_end(msg, hdr); | |
9157 | return genlmsg_reply(msg, info); | |
9158 | ||
9159 | nla_put_failure: | |
9160 | kfree_skb(msg); | |
9161 | return -ENOBUFS; | |
9162 | } | |
9163 | ||
355199e0 JM |
9164 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
9165 | { | |
9166 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9167 | struct cfg80211_update_ft_ies_params ft_params; | |
9168 | struct net_device *dev = info->user_ptr[1]; | |
9169 | ||
9170 | if (!rdev->ops->update_ft_ies) | |
9171 | return -EOPNOTSUPP; | |
9172 | ||
9173 | if (!info->attrs[NL80211_ATTR_MDID] || | |
9174 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9175 | return -EINVAL; | |
9176 | ||
9177 | memset(&ft_params, 0, sizeof(ft_params)); | |
9178 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
9179 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9180 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9181 | ||
9182 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
9183 | } | |
9184 | ||
5de17984 AS |
9185 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
9186 | struct genl_info *info) | |
9187 | { | |
9188 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9189 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9190 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
9191 | u16 duration; | |
9192 | int ret; | |
9193 | ||
9194 | if (!rdev->ops->crit_proto_start) | |
9195 | return -EOPNOTSUPP; | |
9196 | ||
9197 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
9198 | return -EINVAL; | |
9199 | ||
9200 | if (rdev->crit_proto_nlportid) | |
9201 | return -EBUSY; | |
9202 | ||
9203 | /* determine protocol if provided */ | |
9204 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
9205 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
9206 | ||
9207 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
9208 | return -EINVAL; | |
9209 | ||
9210 | /* timeout must be provided */ | |
9211 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
9212 | return -EINVAL; | |
9213 | ||
9214 | duration = | |
9215 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
9216 | ||
9217 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
9218 | return -ERANGE; | |
9219 | ||
9220 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
9221 | if (!ret) | |
9222 | rdev->crit_proto_nlportid = info->snd_portid; | |
9223 | ||
9224 | return ret; | |
9225 | } | |
9226 | ||
9227 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
9228 | struct genl_info *info) | |
9229 | { | |
9230 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9231 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9232 | ||
9233 | if (!rdev->ops->crit_proto_stop) | |
9234 | return -EOPNOTSUPP; | |
9235 | ||
9236 | if (rdev->crit_proto_nlportid) { | |
9237 | rdev->crit_proto_nlportid = 0; | |
9238 | rdev_crit_proto_stop(rdev, wdev); | |
9239 | } | |
9240 | return 0; | |
9241 | } | |
9242 | ||
ad7e718c JB |
9243 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
9244 | { | |
9245 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9246 | struct wireless_dev *wdev = | |
9247 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
9248 | int i, err; | |
9249 | u32 vid, subcmd; | |
9250 | ||
9251 | if (!rdev->wiphy.vendor_commands) | |
9252 | return -EOPNOTSUPP; | |
9253 | ||
9254 | if (IS_ERR(wdev)) { | |
9255 | err = PTR_ERR(wdev); | |
9256 | if (err != -EINVAL) | |
9257 | return err; | |
9258 | wdev = NULL; | |
9259 | } else if (wdev->wiphy != &rdev->wiphy) { | |
9260 | return -EINVAL; | |
9261 | } | |
9262 | ||
9263 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
9264 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
9265 | return -EINVAL; | |
9266 | ||
9267 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
9268 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
9269 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
9270 | const struct wiphy_vendor_command *vcmd; | |
9271 | void *data = NULL; | |
9272 | int len = 0; | |
9273 | ||
9274 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
9275 | ||
9276 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
9277 | continue; | |
9278 | ||
9279 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
9280 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
9281 | if (!wdev) | |
9282 | return -EINVAL; | |
9283 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
9284 | !wdev->netdev) | |
9285 | return -EINVAL; | |
9286 | ||
9287 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
9288 | if (wdev->netdev && | |
9289 | !netif_running(wdev->netdev)) | |
9290 | return -ENETDOWN; | |
9291 | if (!wdev->netdev && !wdev->p2p_started) | |
9292 | return -ENETDOWN; | |
9293 | } | |
9294 | } else { | |
9295 | wdev = NULL; | |
9296 | } | |
9297 | ||
9298 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
9299 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9300 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9301 | } | |
9302 | ||
9303 | rdev->cur_cmd_info = info; | |
9304 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
9305 | data, len); | |
9306 | rdev->cur_cmd_info = NULL; | |
9307 | return err; | |
9308 | } | |
9309 | ||
9310 | return -EOPNOTSUPP; | |
9311 | } | |
9312 | ||
9313 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, | |
9314 | enum nl80211_commands cmd, | |
9315 | enum nl80211_attrs attr, | |
9316 | int approxlen) | |
9317 | { | |
f26cbf40 | 9318 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
9319 | |
9320 | if (WARN_ON(!rdev->cur_cmd_info)) | |
9321 | return NULL; | |
9322 | ||
9323 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, | |
9324 | rdev->cur_cmd_info->snd_portid, | |
9325 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 9326 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
9327 | } |
9328 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
9329 | ||
9330 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
9331 | { | |
9332 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
9333 | void *hdr = ((void **)skb->cb)[1]; | |
9334 | struct nlattr *data = ((void **)skb->cb)[2]; | |
9335 | ||
9336 | if (WARN_ON(!rdev->cur_cmd_info)) { | |
9337 | kfree_skb(skb); | |
9338 | return -EINVAL; | |
9339 | } | |
9340 | ||
9341 | nla_nest_end(skb, data); | |
9342 | genlmsg_end(skb, hdr); | |
9343 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
9344 | } | |
9345 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
9346 | ||
9347 | ||
fa9ffc74 KP |
9348 | static int nl80211_set_qos_map(struct sk_buff *skb, |
9349 | struct genl_info *info) | |
9350 | { | |
9351 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9352 | struct cfg80211_qos_map *qos_map = NULL; | |
9353 | struct net_device *dev = info->user_ptr[1]; | |
9354 | u8 *pos, len, num_des, des_len, des; | |
9355 | int ret; | |
9356 | ||
9357 | if (!rdev->ops->set_qos_map) | |
9358 | return -EOPNOTSUPP; | |
9359 | ||
9360 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
9361 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9362 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9363 | ||
9364 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
9365 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
9366 | return -EINVAL; | |
9367 | ||
9368 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
9369 | if (!qos_map) | |
9370 | return -ENOMEM; | |
9371 | ||
9372 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
9373 | if (num_des) { | |
9374 | des_len = num_des * | |
9375 | sizeof(struct cfg80211_dscp_exception); | |
9376 | memcpy(qos_map->dscp_exception, pos, des_len); | |
9377 | qos_map->num_des = num_des; | |
9378 | for (des = 0; des < num_des; des++) { | |
9379 | if (qos_map->dscp_exception[des].up > 7) { | |
9380 | kfree(qos_map); | |
9381 | return -EINVAL; | |
9382 | } | |
9383 | } | |
9384 | pos += des_len; | |
9385 | } | |
9386 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
9387 | } | |
9388 | ||
9389 | wdev_lock(dev->ieee80211_ptr); | |
9390 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
9391 | if (!ret) | |
9392 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
9393 | wdev_unlock(dev->ieee80211_ptr); | |
9394 | ||
9395 | kfree(qos_map); | |
9396 | return ret; | |
9397 | } | |
9398 | ||
960d01ac JB |
9399 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
9400 | { | |
9401 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9402 | struct net_device *dev = info->user_ptr[1]; | |
9403 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9404 | const u8 *peer; | |
9405 | u8 tsid, up; | |
9406 | u16 admitted_time = 0; | |
9407 | int err; | |
9408 | ||
9409 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_WMM_ADMISSION)) | |
9410 | return -EOPNOTSUPP; | |
9411 | ||
9412 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
9413 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
9414 | return -EINVAL; | |
9415 | ||
9416 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
9417 | if (tsid >= IEEE80211_NUM_TIDS) | |
9418 | return -EINVAL; | |
9419 | ||
9420 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
9421 | if (up >= IEEE80211_NUM_UPS) | |
9422 | return -EINVAL; | |
9423 | ||
9424 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
9425 | if (tsid < IEEE80211_FIRST_TSPEC_TSID) { | |
9426 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_WMM_ADMISSION)) | |
9427 | return -EINVAL; | |
9428 | } else { | |
9429 | /* TODO: handle 802.11 TSPEC/admission control | |
9430 | * need more attributes for that (e.g. BA session requirement) | |
9431 | */ | |
9432 | return -EINVAL; | |
9433 | } | |
9434 | ||
9435 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9436 | ||
9437 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
9438 | admitted_time = | |
9439 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
9440 | if (!admitted_time) | |
9441 | return -EINVAL; | |
9442 | } | |
9443 | ||
9444 | wdev_lock(wdev); | |
9445 | switch (wdev->iftype) { | |
9446 | case NL80211_IFTYPE_STATION: | |
9447 | case NL80211_IFTYPE_P2P_CLIENT: | |
9448 | if (wdev->current_bss) | |
9449 | break; | |
9450 | err = -ENOTCONN; | |
9451 | goto out; | |
9452 | default: | |
9453 | err = -EOPNOTSUPP; | |
9454 | goto out; | |
9455 | } | |
9456 | ||
9457 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
9458 | ||
9459 | out: | |
9460 | wdev_unlock(wdev); | |
9461 | return err; | |
9462 | } | |
9463 | ||
9464 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
9465 | { | |
9466 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9467 | struct net_device *dev = info->user_ptr[1]; | |
9468 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9469 | const u8 *peer; | |
9470 | u8 tsid; | |
9471 | int err; | |
9472 | ||
9473 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
9474 | return -EINVAL; | |
9475 | ||
9476 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
9477 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9478 | ||
9479 | wdev_lock(wdev); | |
9480 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
9481 | wdev_unlock(wdev); | |
9482 | ||
9483 | return err; | |
9484 | } | |
9485 | ||
4c476991 JB |
9486 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
9487 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
9488 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
9489 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
9490 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
9491 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 9492 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 9493 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
9494 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
9495 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 9496 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 9497 | |
f84f771d | 9498 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9499 | struct genl_info *info) |
9500 | { | |
9501 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 9502 | struct wireless_dev *wdev; |
4c476991 | 9503 | struct net_device *dev; |
4c476991 JB |
9504 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
9505 | ||
9506 | if (rtnl) | |
9507 | rtnl_lock(); | |
9508 | ||
9509 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 9510 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
9511 | if (IS_ERR(rdev)) { |
9512 | if (rtnl) | |
9513 | rtnl_unlock(); | |
9514 | return PTR_ERR(rdev); | |
9515 | } | |
9516 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
9517 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
9518 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
9519 | ASSERT_RTNL(); |
9520 | ||
89a54e48 JB |
9521 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
9522 | info->attrs); | |
9523 | if (IS_ERR(wdev)) { | |
4c476991 JB |
9524 | if (rtnl) |
9525 | rtnl_unlock(); | |
89a54e48 | 9526 | return PTR_ERR(wdev); |
4c476991 | 9527 | } |
89a54e48 | 9528 | |
89a54e48 | 9529 | dev = wdev->netdev; |
f26cbf40 | 9530 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 9531 | |
1bf614ef JB |
9532 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
9533 | if (!dev) { | |
1bf614ef JB |
9534 | if (rtnl) |
9535 | rtnl_unlock(); | |
9536 | return -EINVAL; | |
9537 | } | |
9538 | ||
9539 | info->user_ptr[1] = dev; | |
9540 | } else { | |
9541 | info->user_ptr[1] = wdev; | |
41265714 | 9542 | } |
1bf614ef JB |
9543 | |
9544 | if (dev) { | |
9545 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
9546 | !netif_running(dev)) { | |
1bf614ef JB |
9547 | if (rtnl) |
9548 | rtnl_unlock(); | |
9549 | return -ENETDOWN; | |
9550 | } | |
9551 | ||
9552 | dev_hold(dev); | |
98104fde JB |
9553 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
9554 | if (!wdev->p2p_started) { | |
98104fde JB |
9555 | if (rtnl) |
9556 | rtnl_unlock(); | |
9557 | return -ENETDOWN; | |
9558 | } | |
41265714 | 9559 | } |
89a54e48 | 9560 | |
4c476991 | 9561 | info->user_ptr[0] = rdev; |
4c476991 JB |
9562 | } |
9563 | ||
9564 | return 0; | |
9565 | } | |
9566 | ||
f84f771d | 9567 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9568 | struct genl_info *info) |
9569 | { | |
1bf614ef JB |
9570 | if (info->user_ptr[1]) { |
9571 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
9572 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9573 | ||
9574 | if (wdev->netdev) | |
9575 | dev_put(wdev->netdev); | |
9576 | } else { | |
9577 | dev_put(info->user_ptr[1]); | |
9578 | } | |
9579 | } | |
5393b917 | 9580 | |
4c476991 JB |
9581 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
9582 | rtnl_unlock(); | |
5393b917 JB |
9583 | |
9584 | /* If needed, clear the netlink message payload from the SKB | |
9585 | * as it might contain key data that shouldn't stick around on | |
9586 | * the heap after the SKB is freed. The netlink message header | |
9587 | * is still needed for further processing, so leave it intact. | |
9588 | */ | |
9589 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
9590 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
9591 | ||
9592 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
9593 | } | |
4c476991 JB |
9594 | } |
9595 | ||
4534de83 | 9596 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
9597 | { |
9598 | .cmd = NL80211_CMD_GET_WIPHY, | |
9599 | .doit = nl80211_get_wiphy, | |
9600 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 9601 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
9602 | .policy = nl80211_policy, |
9603 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9604 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9605 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9606 | }, |
9607 | { | |
9608 | .cmd = NL80211_CMD_SET_WIPHY, | |
9609 | .doit = nl80211_set_wiphy, | |
9610 | .policy = nl80211_policy, | |
9611 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 9612 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
9613 | }, |
9614 | { | |
9615 | .cmd = NL80211_CMD_GET_INTERFACE, | |
9616 | .doit = nl80211_get_interface, | |
9617 | .dumpit = nl80211_dump_interface, | |
9618 | .policy = nl80211_policy, | |
9619 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9620 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
9621 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9622 | }, |
9623 | { | |
9624 | .cmd = NL80211_CMD_SET_INTERFACE, | |
9625 | .doit = nl80211_set_interface, | |
9626 | .policy = nl80211_policy, | |
9627 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9628 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9629 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9630 | }, |
9631 | { | |
9632 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
9633 | .doit = nl80211_new_interface, | |
9634 | .policy = nl80211_policy, | |
9635 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9636 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9637 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9638 | }, |
9639 | { | |
9640 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
9641 | .doit = nl80211_del_interface, | |
9642 | .policy = nl80211_policy, | |
41ade00f | 9643 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 9644 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9645 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9646 | }, |
9647 | { | |
9648 | .cmd = NL80211_CMD_GET_KEY, | |
9649 | .doit = nl80211_get_key, | |
9650 | .policy = nl80211_policy, | |
9651 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9652 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9653 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9654 | }, |
9655 | { | |
9656 | .cmd = NL80211_CMD_SET_KEY, | |
9657 | .doit = nl80211_set_key, | |
9658 | .policy = nl80211_policy, | |
9659 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9660 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
9661 | NL80211_FLAG_NEED_RTNL | |
9662 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
9663 | }, |
9664 | { | |
9665 | .cmd = NL80211_CMD_NEW_KEY, | |
9666 | .doit = nl80211_new_key, | |
9667 | .policy = nl80211_policy, | |
9668 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9669 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
9670 | NL80211_FLAG_NEED_RTNL | |
9671 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
9672 | }, |
9673 | { | |
9674 | .cmd = NL80211_CMD_DEL_KEY, | |
9675 | .doit = nl80211_del_key, | |
9676 | .policy = nl80211_policy, | |
55682965 | 9677 | .flags = GENL_ADMIN_PERM, |
41265714 | 9678 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9679 | NL80211_FLAG_NEED_RTNL, |
55682965 | 9680 | }, |
ed1b6cc7 JB |
9681 | { |
9682 | .cmd = NL80211_CMD_SET_BEACON, | |
9683 | .policy = nl80211_policy, | |
9684 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9685 | .doit = nl80211_set_beacon, |
2b5f8b0b | 9686 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9687 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9688 | }, |
9689 | { | |
8860020e | 9690 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
9691 | .policy = nl80211_policy, |
9692 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9693 | .doit = nl80211_start_ap, |
2b5f8b0b | 9694 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9695 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9696 | }, |
9697 | { | |
8860020e | 9698 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
9699 | .policy = nl80211_policy, |
9700 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9701 | .doit = nl80211_stop_ap, |
2b5f8b0b | 9702 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9703 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 9704 | }, |
5727ef1b JB |
9705 | { |
9706 | .cmd = NL80211_CMD_GET_STATION, | |
9707 | .doit = nl80211_get_station, | |
2ec600d6 | 9708 | .dumpit = nl80211_dump_station, |
5727ef1b | 9709 | .policy = nl80211_policy, |
4c476991 JB |
9710 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9711 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
9712 | }, |
9713 | { | |
9714 | .cmd = NL80211_CMD_SET_STATION, | |
9715 | .doit = nl80211_set_station, | |
9716 | .policy = nl80211_policy, | |
9717 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9718 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9719 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9720 | }, |
9721 | { | |
9722 | .cmd = NL80211_CMD_NEW_STATION, | |
9723 | .doit = nl80211_new_station, | |
9724 | .policy = nl80211_policy, | |
9725 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9726 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9727 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9728 | }, |
9729 | { | |
9730 | .cmd = NL80211_CMD_DEL_STATION, | |
9731 | .doit = nl80211_del_station, | |
9732 | .policy = nl80211_policy, | |
2ec600d6 | 9733 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9734 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9735 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9736 | }, |
9737 | { | |
9738 | .cmd = NL80211_CMD_GET_MPATH, | |
9739 | .doit = nl80211_get_mpath, | |
9740 | .dumpit = nl80211_dump_mpath, | |
9741 | .policy = nl80211_policy, | |
9742 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9743 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9744 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9745 | }, |
9746 | { | |
9747 | .cmd = NL80211_CMD_SET_MPATH, | |
9748 | .doit = nl80211_set_mpath, | |
9749 | .policy = nl80211_policy, | |
9750 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9751 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9752 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9753 | }, |
9754 | { | |
9755 | .cmd = NL80211_CMD_NEW_MPATH, | |
9756 | .doit = nl80211_new_mpath, | |
9757 | .policy = nl80211_policy, | |
9758 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9759 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9760 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9761 | }, |
9762 | { | |
9763 | .cmd = NL80211_CMD_DEL_MPATH, | |
9764 | .doit = nl80211_del_mpath, | |
9765 | .policy = nl80211_policy, | |
9f1ba906 | 9766 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9767 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9768 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
9769 | }, |
9770 | { | |
9771 | .cmd = NL80211_CMD_SET_BSS, | |
9772 | .doit = nl80211_set_bss, | |
9773 | .policy = nl80211_policy, | |
b2e1b302 | 9774 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9775 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9776 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 9777 | }, |
f130347c LR |
9778 | { |
9779 | .cmd = NL80211_CMD_GET_REG, | |
9780 | .doit = nl80211_get_reg, | |
9781 | .policy = nl80211_policy, | |
5fe231e8 | 9782 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
9783 | /* can be retrieved by unprivileged users */ |
9784 | }, | |
b2e1b302 LR |
9785 | { |
9786 | .cmd = NL80211_CMD_SET_REG, | |
9787 | .doit = nl80211_set_reg, | |
9788 | .policy = nl80211_policy, | |
9789 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 9790 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
9791 | }, |
9792 | { | |
9793 | .cmd = NL80211_CMD_REQ_SET_REG, | |
9794 | .doit = nl80211_req_set_reg, | |
9795 | .policy = nl80211_policy, | |
93da9cc1 | 9796 | .flags = GENL_ADMIN_PERM, |
9797 | }, | |
9798 | { | |
24bdd9f4 JC |
9799 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
9800 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 9801 | .policy = nl80211_policy, |
9802 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 9803 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9804 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 9805 | }, |
9806 | { | |
24bdd9f4 JC |
9807 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
9808 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 9809 | .policy = nl80211_policy, |
9aed3cc1 | 9810 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 9811 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9812 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 9813 | }, |
2a519311 JB |
9814 | { |
9815 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
9816 | .doit = nl80211_trigger_scan, | |
9817 | .policy = nl80211_policy, | |
9818 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 9819 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9820 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
9821 | }, |
9822 | { | |
9823 | .cmd = NL80211_CMD_GET_SCAN, | |
9824 | .policy = nl80211_policy, | |
9825 | .dumpit = nl80211_dump_scan, | |
9826 | }, | |
807f8a8c LC |
9827 | { |
9828 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
9829 | .doit = nl80211_start_sched_scan, | |
9830 | .policy = nl80211_policy, | |
9831 | .flags = GENL_ADMIN_PERM, | |
9832 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9833 | NL80211_FLAG_NEED_RTNL, | |
9834 | }, | |
9835 | { | |
9836 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
9837 | .doit = nl80211_stop_sched_scan, | |
9838 | .policy = nl80211_policy, | |
9839 | .flags = GENL_ADMIN_PERM, | |
9840 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9841 | NL80211_FLAG_NEED_RTNL, | |
9842 | }, | |
636a5d36 JM |
9843 | { |
9844 | .cmd = NL80211_CMD_AUTHENTICATE, | |
9845 | .doit = nl80211_authenticate, | |
9846 | .policy = nl80211_policy, | |
9847 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9848 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
9849 | NL80211_FLAG_NEED_RTNL | |
9850 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
9851 | }, |
9852 | { | |
9853 | .cmd = NL80211_CMD_ASSOCIATE, | |
9854 | .doit = nl80211_associate, | |
9855 | .policy = nl80211_policy, | |
9856 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9857 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9858 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9859 | }, |
9860 | { | |
9861 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
9862 | .doit = nl80211_deauthenticate, | |
9863 | .policy = nl80211_policy, | |
9864 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9865 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9866 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9867 | }, |
9868 | { | |
9869 | .cmd = NL80211_CMD_DISASSOCIATE, | |
9870 | .doit = nl80211_disassociate, | |
9871 | .policy = nl80211_policy, | |
9872 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9873 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9874 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 9875 | }, |
04a773ad JB |
9876 | { |
9877 | .cmd = NL80211_CMD_JOIN_IBSS, | |
9878 | .doit = nl80211_join_ibss, | |
9879 | .policy = nl80211_policy, | |
9880 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9881 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9882 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
9883 | }, |
9884 | { | |
9885 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
9886 | .doit = nl80211_leave_ibss, | |
9887 | .policy = nl80211_policy, | |
9888 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9889 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9890 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 9891 | }, |
aff89a9b JB |
9892 | #ifdef CONFIG_NL80211_TESTMODE |
9893 | { | |
9894 | .cmd = NL80211_CMD_TESTMODE, | |
9895 | .doit = nl80211_testmode_do, | |
71063f0e | 9896 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
9897 | .policy = nl80211_policy, |
9898 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9899 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9900 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
9901 | }, |
9902 | #endif | |
b23aa676 SO |
9903 | { |
9904 | .cmd = NL80211_CMD_CONNECT, | |
9905 | .doit = nl80211_connect, | |
9906 | .policy = nl80211_policy, | |
9907 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9908 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9909 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
9910 | }, |
9911 | { | |
9912 | .cmd = NL80211_CMD_DISCONNECT, | |
9913 | .doit = nl80211_disconnect, | |
9914 | .policy = nl80211_policy, | |
9915 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9916 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9917 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 9918 | }, |
463d0183 JB |
9919 | { |
9920 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
9921 | .doit = nl80211_wiphy_netns, | |
9922 | .policy = nl80211_policy, | |
9923 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9924 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9925 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 9926 | }, |
61fa713c HS |
9927 | { |
9928 | .cmd = NL80211_CMD_GET_SURVEY, | |
9929 | .policy = nl80211_policy, | |
9930 | .dumpit = nl80211_dump_survey, | |
9931 | }, | |
67fbb16b SO |
9932 | { |
9933 | .cmd = NL80211_CMD_SET_PMKSA, | |
9934 | .doit = nl80211_setdel_pmksa, | |
9935 | .policy = nl80211_policy, | |
9936 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9937 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9938 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9939 | }, |
9940 | { | |
9941 | .cmd = NL80211_CMD_DEL_PMKSA, | |
9942 | .doit = nl80211_setdel_pmksa, | |
9943 | .policy = nl80211_policy, | |
9944 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9945 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9946 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9947 | }, |
9948 | { | |
9949 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
9950 | .doit = nl80211_flush_pmksa, | |
9951 | .policy = nl80211_policy, | |
9952 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9953 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9954 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 9955 | }, |
9588bbd5 JM |
9956 | { |
9957 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
9958 | .doit = nl80211_remain_on_channel, | |
9959 | .policy = nl80211_policy, | |
9960 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9961 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9962 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
9963 | }, |
9964 | { | |
9965 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
9966 | .doit = nl80211_cancel_remain_on_channel, | |
9967 | .policy = nl80211_policy, | |
9968 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9969 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9970 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 9971 | }, |
13ae75b1 JM |
9972 | { |
9973 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
9974 | .doit = nl80211_set_tx_bitrate_mask, | |
9975 | .policy = nl80211_policy, | |
9976 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9977 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9978 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 9979 | }, |
026331c4 | 9980 | { |
2e161f78 JB |
9981 | .cmd = NL80211_CMD_REGISTER_FRAME, |
9982 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
9983 | .policy = nl80211_policy, |
9984 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9985 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9986 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
9987 | }, |
9988 | { | |
2e161f78 JB |
9989 | .cmd = NL80211_CMD_FRAME, |
9990 | .doit = nl80211_tx_mgmt, | |
026331c4 | 9991 | .policy = nl80211_policy, |
f7ca38df | 9992 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9993 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
9994 | NL80211_FLAG_NEED_RTNL, |
9995 | }, | |
9996 | { | |
9997 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
9998 | .doit = nl80211_tx_mgmt_cancel_wait, | |
9999 | .policy = nl80211_policy, | |
026331c4 | 10000 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 10001 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10002 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 10003 | }, |
ffb9eb3d KV |
10004 | { |
10005 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
10006 | .doit = nl80211_set_power_save, | |
10007 | .policy = nl80211_policy, | |
10008 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10009 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10010 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
10011 | }, |
10012 | { | |
10013 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
10014 | .doit = nl80211_get_power_save, | |
10015 | .policy = nl80211_policy, | |
10016 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
10017 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10018 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 10019 | }, |
d6dc1a38 JO |
10020 | { |
10021 | .cmd = NL80211_CMD_SET_CQM, | |
10022 | .doit = nl80211_set_cqm, | |
10023 | .policy = nl80211_policy, | |
10024 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10025 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10026 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 10027 | }, |
f444de05 JB |
10028 | { |
10029 | .cmd = NL80211_CMD_SET_CHANNEL, | |
10030 | .doit = nl80211_set_channel, | |
10031 | .policy = nl80211_policy, | |
10032 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10033 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10034 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 10035 | }, |
e8347eba BJ |
10036 | { |
10037 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
10038 | .doit = nl80211_set_wds_peer, | |
10039 | .policy = nl80211_policy, | |
10040 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
10041 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10042 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 10043 | }, |
29cbe68c JB |
10044 | { |
10045 | .cmd = NL80211_CMD_JOIN_MESH, | |
10046 | .doit = nl80211_join_mesh, | |
10047 | .policy = nl80211_policy, | |
10048 | .flags = GENL_ADMIN_PERM, | |
10049 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10050 | NL80211_FLAG_NEED_RTNL, | |
10051 | }, | |
10052 | { | |
10053 | .cmd = NL80211_CMD_LEAVE_MESH, | |
10054 | .doit = nl80211_leave_mesh, | |
10055 | .policy = nl80211_policy, | |
10056 | .flags = GENL_ADMIN_PERM, | |
10057 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10058 | NL80211_FLAG_NEED_RTNL, | |
10059 | }, | |
dfb89c56 | 10060 | #ifdef CONFIG_PM |
ff1b6e69 JB |
10061 | { |
10062 | .cmd = NL80211_CMD_GET_WOWLAN, | |
10063 | .doit = nl80211_get_wowlan, | |
10064 | .policy = nl80211_policy, | |
10065 | /* can be retrieved by unprivileged users */ | |
10066 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10067 | NL80211_FLAG_NEED_RTNL, | |
10068 | }, | |
10069 | { | |
10070 | .cmd = NL80211_CMD_SET_WOWLAN, | |
10071 | .doit = nl80211_set_wowlan, | |
10072 | .policy = nl80211_policy, | |
10073 | .flags = GENL_ADMIN_PERM, | |
10074 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10075 | NL80211_FLAG_NEED_RTNL, | |
10076 | }, | |
dfb89c56 | 10077 | #endif |
e5497d76 JB |
10078 | { |
10079 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
10080 | .doit = nl80211_set_rekey_data, | |
10081 | .policy = nl80211_policy, | |
10082 | .flags = GENL_ADMIN_PERM, | |
10083 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5393b917 JB |
10084 | NL80211_FLAG_NEED_RTNL | |
10085 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 10086 | }, |
109086ce AN |
10087 | { |
10088 | .cmd = NL80211_CMD_TDLS_MGMT, | |
10089 | .doit = nl80211_tdls_mgmt, | |
10090 | .policy = nl80211_policy, | |
10091 | .flags = GENL_ADMIN_PERM, | |
10092 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10093 | NL80211_FLAG_NEED_RTNL, | |
10094 | }, | |
10095 | { | |
10096 | .cmd = NL80211_CMD_TDLS_OPER, | |
10097 | .doit = nl80211_tdls_oper, | |
10098 | .policy = nl80211_policy, | |
10099 | .flags = GENL_ADMIN_PERM, | |
10100 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10101 | NL80211_FLAG_NEED_RTNL, | |
10102 | }, | |
28946da7 JB |
10103 | { |
10104 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
10105 | .doit = nl80211_register_unexpected_frame, | |
10106 | .policy = nl80211_policy, | |
10107 | .flags = GENL_ADMIN_PERM, | |
10108 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10109 | NL80211_FLAG_NEED_RTNL, | |
10110 | }, | |
7f6cf311 JB |
10111 | { |
10112 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
10113 | .doit = nl80211_probe_client, | |
10114 | .policy = nl80211_policy, | |
10115 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10116 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
10117 | NL80211_FLAG_NEED_RTNL, |
10118 | }, | |
5e760230 JB |
10119 | { |
10120 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
10121 | .doit = nl80211_register_beacons, | |
10122 | .policy = nl80211_policy, | |
10123 | .flags = GENL_ADMIN_PERM, | |
10124 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10125 | NL80211_FLAG_NEED_RTNL, | |
10126 | }, | |
1d9d9213 SW |
10127 | { |
10128 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
10129 | .doit = nl80211_set_noack_map, | |
10130 | .policy = nl80211_policy, | |
10131 | .flags = GENL_ADMIN_PERM, | |
10132 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10133 | NL80211_FLAG_NEED_RTNL, | |
10134 | }, | |
98104fde JB |
10135 | { |
10136 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
10137 | .doit = nl80211_start_p2p_device, | |
10138 | .policy = nl80211_policy, | |
10139 | .flags = GENL_ADMIN_PERM, | |
10140 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
10141 | NL80211_FLAG_NEED_RTNL, | |
10142 | }, | |
10143 | { | |
10144 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
10145 | .doit = nl80211_stop_p2p_device, | |
10146 | .policy = nl80211_policy, | |
10147 | .flags = GENL_ADMIN_PERM, | |
10148 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10149 | NL80211_FLAG_NEED_RTNL, | |
10150 | }, | |
f4e583c8 AQ |
10151 | { |
10152 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
10153 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
10154 | .policy = nl80211_policy, |
10155 | .flags = GENL_ADMIN_PERM, | |
10156 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10157 | NL80211_FLAG_NEED_RTNL, | |
10158 | }, | |
10159 | { | |
10160 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
10161 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
10162 | .policy = nl80211_policy, |
10163 | .flags = GENL_ADMIN_PERM, | |
10164 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10165 | NL80211_FLAG_NEED_RTNL, | |
10166 | }, | |
04f39047 SW |
10167 | { |
10168 | .cmd = NL80211_CMD_RADAR_DETECT, | |
10169 | .doit = nl80211_start_radar_detection, | |
10170 | .policy = nl80211_policy, | |
10171 | .flags = GENL_ADMIN_PERM, | |
10172 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10173 | NL80211_FLAG_NEED_RTNL, | |
10174 | }, | |
3713b4e3 JB |
10175 | { |
10176 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
10177 | .doit = nl80211_get_protocol_features, | |
10178 | .policy = nl80211_policy, | |
10179 | }, | |
355199e0 JM |
10180 | { |
10181 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
10182 | .doit = nl80211_update_ft_ies, | |
10183 | .policy = nl80211_policy, | |
10184 | .flags = GENL_ADMIN_PERM, | |
10185 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10186 | NL80211_FLAG_NEED_RTNL, | |
10187 | }, | |
5de17984 AS |
10188 | { |
10189 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
10190 | .doit = nl80211_crit_protocol_start, | |
10191 | .policy = nl80211_policy, | |
10192 | .flags = GENL_ADMIN_PERM, | |
10193 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10194 | NL80211_FLAG_NEED_RTNL, | |
10195 | }, | |
10196 | { | |
10197 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
10198 | .doit = nl80211_crit_protocol_stop, | |
10199 | .policy = nl80211_policy, | |
10200 | .flags = GENL_ADMIN_PERM, | |
10201 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10202 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
10203 | }, |
10204 | { | |
10205 | .cmd = NL80211_CMD_GET_COALESCE, | |
10206 | .doit = nl80211_get_coalesce, | |
10207 | .policy = nl80211_policy, | |
10208 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10209 | NL80211_FLAG_NEED_RTNL, | |
10210 | }, | |
10211 | { | |
10212 | .cmd = NL80211_CMD_SET_COALESCE, | |
10213 | .doit = nl80211_set_coalesce, | |
10214 | .policy = nl80211_policy, | |
10215 | .flags = GENL_ADMIN_PERM, | |
10216 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10217 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
10218 | }, |
10219 | { | |
10220 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
10221 | .doit = nl80211_channel_switch, | |
10222 | .policy = nl80211_policy, | |
10223 | .flags = GENL_ADMIN_PERM, | |
10224 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10225 | NL80211_FLAG_NEED_RTNL, | |
10226 | }, | |
ad7e718c JB |
10227 | { |
10228 | .cmd = NL80211_CMD_VENDOR, | |
10229 | .doit = nl80211_vendor_cmd, | |
10230 | .policy = nl80211_policy, | |
10231 | .flags = GENL_ADMIN_PERM, | |
10232 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10233 | NL80211_FLAG_NEED_RTNL, | |
10234 | }, | |
fa9ffc74 KP |
10235 | { |
10236 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
10237 | .doit = nl80211_set_qos_map, | |
10238 | .policy = nl80211_policy, | |
10239 | .flags = GENL_ADMIN_PERM, | |
10240 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10241 | NL80211_FLAG_NEED_RTNL, | |
10242 | }, | |
960d01ac JB |
10243 | { |
10244 | .cmd = NL80211_CMD_ADD_TX_TS, | |
10245 | .doit = nl80211_add_tx_ts, | |
10246 | .policy = nl80211_policy, | |
10247 | .flags = GENL_ADMIN_PERM, | |
10248 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10249 | NL80211_FLAG_NEED_RTNL, | |
10250 | }, | |
10251 | { | |
10252 | .cmd = NL80211_CMD_DEL_TX_TS, | |
10253 | .doit = nl80211_del_tx_ts, | |
10254 | .policy = nl80211_policy, | |
10255 | .flags = GENL_ADMIN_PERM, | |
10256 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10257 | NL80211_FLAG_NEED_RTNL, | |
10258 | }, | |
55682965 | 10259 | }; |
9588bbd5 | 10260 | |
55682965 JB |
10261 | /* notification functions */ |
10262 | ||
3bb20556 JB |
10263 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
10264 | enum nl80211_commands cmd) | |
55682965 JB |
10265 | { |
10266 | struct sk_buff *msg; | |
86e8cf98 | 10267 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 10268 | |
3bb20556 JB |
10269 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
10270 | cmd != NL80211_CMD_DEL_WIPHY); | |
10271 | ||
fd2120ca | 10272 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
10273 | if (!msg) |
10274 | return; | |
10275 | ||
3bb20556 | 10276 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
10277 | nlmsg_free(msg); |
10278 | return; | |
10279 | } | |
10280 | ||
68eb5503 | 10281 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10282 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
10283 | } |
10284 | ||
362a415d JB |
10285 | static int nl80211_add_scan_req(struct sk_buff *msg, |
10286 | struct cfg80211_registered_device *rdev) | |
10287 | { | |
10288 | struct cfg80211_scan_request *req = rdev->scan_req; | |
10289 | struct nlattr *nest; | |
10290 | int i; | |
10291 | ||
10292 | if (WARN_ON(!req)) | |
10293 | return 0; | |
10294 | ||
10295 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
10296 | if (!nest) | |
10297 | goto nla_put_failure; | |
9360ffd1 DM |
10298 | for (i = 0; i < req->n_ssids; i++) { |
10299 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
10300 | goto nla_put_failure; | |
10301 | } | |
362a415d JB |
10302 | nla_nest_end(msg, nest); |
10303 | ||
10304 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
10305 | if (!nest) | |
10306 | goto nla_put_failure; | |
9360ffd1 DM |
10307 | for (i = 0; i < req->n_channels; i++) { |
10308 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
10309 | goto nla_put_failure; | |
10310 | } | |
362a415d JB |
10311 | nla_nest_end(msg, nest); |
10312 | ||
9360ffd1 DM |
10313 | if (req->ie && |
10314 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
10315 | goto nla_put_failure; | |
362a415d | 10316 | |
ae917c9f JB |
10317 | if (req->flags && |
10318 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
10319 | goto nla_put_failure; | |
ed473771 | 10320 | |
362a415d JB |
10321 | return 0; |
10322 | nla_put_failure: | |
10323 | return -ENOBUFS; | |
10324 | } | |
10325 | ||
a538e2d5 JB |
10326 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
10327 | struct cfg80211_registered_device *rdev, | |
fd014284 | 10328 | struct wireless_dev *wdev, |
15e47304 | 10329 | u32 portid, u32 seq, int flags, |
a538e2d5 | 10330 | u32 cmd) |
2a519311 JB |
10331 | { |
10332 | void *hdr; | |
10333 | ||
15e47304 | 10334 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
10335 | if (!hdr) |
10336 | return -1; | |
10337 | ||
9360ffd1 | 10338 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
10339 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10340 | wdev->netdev->ifindex)) || | |
10341 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 10342 | goto nla_put_failure; |
2a519311 | 10343 | |
362a415d JB |
10344 | /* ignore errors and send incomplete event anyway */ |
10345 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
10346 | |
10347 | return genlmsg_end(msg, hdr); | |
10348 | ||
10349 | nla_put_failure: | |
10350 | genlmsg_cancel(msg, hdr); | |
10351 | return -EMSGSIZE; | |
10352 | } | |
10353 | ||
807f8a8c LC |
10354 | static int |
10355 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
10356 | struct cfg80211_registered_device *rdev, | |
10357 | struct net_device *netdev, | |
15e47304 | 10358 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
10359 | { |
10360 | void *hdr; | |
10361 | ||
15e47304 | 10362 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
10363 | if (!hdr) |
10364 | return -1; | |
10365 | ||
9360ffd1 DM |
10366 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10367 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10368 | goto nla_put_failure; | |
807f8a8c LC |
10369 | |
10370 | return genlmsg_end(msg, hdr); | |
10371 | ||
10372 | nla_put_failure: | |
10373 | genlmsg_cancel(msg, hdr); | |
10374 | return -EMSGSIZE; | |
10375 | } | |
10376 | ||
a538e2d5 | 10377 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 10378 | struct wireless_dev *wdev) |
a538e2d5 JB |
10379 | { |
10380 | struct sk_buff *msg; | |
10381 | ||
58050fce | 10382 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
10383 | if (!msg) |
10384 | return; | |
10385 | ||
fd014284 | 10386 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
10387 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
10388 | nlmsg_free(msg); | |
10389 | return; | |
10390 | } | |
10391 | ||
68eb5503 | 10392 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10393 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
10394 | } |
10395 | ||
f9d15d16 JB |
10396 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
10397 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
10398 | { |
10399 | struct sk_buff *msg; | |
10400 | ||
fd2120ca | 10401 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 10402 | if (!msg) |
f9d15d16 | 10403 | return NULL; |
2a519311 | 10404 | |
fd014284 | 10405 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
10406 | aborted ? NL80211_CMD_SCAN_ABORTED : |
10407 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 10408 | nlmsg_free(msg); |
f9d15d16 | 10409 | return NULL; |
2a519311 JB |
10410 | } |
10411 | ||
f9d15d16 | 10412 | return msg; |
2a519311 JB |
10413 | } |
10414 | ||
f9d15d16 JB |
10415 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
10416 | struct sk_buff *msg) | |
2a519311 | 10417 | { |
2a519311 JB |
10418 | if (!msg) |
10419 | return; | |
10420 | ||
68eb5503 | 10421 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10422 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
10423 | } |
10424 | ||
807f8a8c LC |
10425 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
10426 | struct net_device *netdev) | |
10427 | { | |
10428 | struct sk_buff *msg; | |
10429 | ||
10430 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10431 | if (!msg) | |
10432 | return; | |
10433 | ||
10434 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
10435 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
10436 | nlmsg_free(msg); | |
10437 | return; | |
10438 | } | |
10439 | ||
68eb5503 | 10440 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10441 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10442 | } |
10443 | ||
10444 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
10445 | struct net_device *netdev, u32 cmd) | |
10446 | { | |
10447 | struct sk_buff *msg; | |
10448 | ||
58050fce | 10449 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
10450 | if (!msg) |
10451 | return; | |
10452 | ||
10453 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
10454 | nlmsg_free(msg); | |
10455 | return; | |
10456 | } | |
10457 | ||
68eb5503 | 10458 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10459 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10460 | } |
10461 | ||
73d54c9e LR |
10462 | /* |
10463 | * This can happen on global regulatory changes or device specific settings | |
10464 | * based on custom world regulatory domains. | |
10465 | */ | |
10466 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
10467 | { | |
10468 | struct sk_buff *msg; | |
10469 | void *hdr; | |
10470 | ||
fd2120ca | 10471 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
10472 | if (!msg) |
10473 | return; | |
10474 | ||
10475 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
10476 | if (!hdr) { | |
10477 | nlmsg_free(msg); | |
10478 | return; | |
10479 | } | |
10480 | ||
10481 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
10482 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
10483 | goto nla_put_failure; | |
10484 | ||
10485 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
10486 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10487 | NL80211_REGDOM_TYPE_WORLD)) | |
10488 | goto nla_put_failure; | |
10489 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
10490 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10491 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
10492 | goto nla_put_failure; | |
10493 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
10494 | request->intersect) { | |
10495 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10496 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
10497 | goto nla_put_failure; | |
10498 | } else { | |
10499 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10500 | NL80211_REGDOM_TYPE_COUNTRY) || | |
10501 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
10502 | request->alpha2)) | |
10503 | goto nla_put_failure; | |
10504 | } | |
10505 | ||
f4173766 | 10506 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
10507 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
10508 | goto nla_put_failure; | |
73d54c9e | 10509 | |
3b7b72ee | 10510 | genlmsg_end(msg, hdr); |
73d54c9e | 10511 | |
bc43b28c | 10512 | rcu_read_lock(); |
68eb5503 | 10513 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10514 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 10515 | rcu_read_unlock(); |
73d54c9e LR |
10516 | |
10517 | return; | |
10518 | ||
10519 | nla_put_failure: | |
10520 | genlmsg_cancel(msg, hdr); | |
10521 | nlmsg_free(msg); | |
10522 | } | |
10523 | ||
6039f6d2 JM |
10524 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
10525 | struct net_device *netdev, | |
10526 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
10527 | enum nl80211_commands cmd, gfp_t gfp, |
10528 | int uapsd_queues) | |
6039f6d2 JM |
10529 | { |
10530 | struct sk_buff *msg; | |
10531 | void *hdr; | |
10532 | ||
e6d6e342 | 10533 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
10534 | if (!msg) |
10535 | return; | |
10536 | ||
10537 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10538 | if (!hdr) { | |
10539 | nlmsg_free(msg); | |
10540 | return; | |
10541 | } | |
10542 | ||
9360ffd1 DM |
10543 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10544 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10545 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
10546 | goto nla_put_failure; | |
6039f6d2 | 10547 | |
b0b6aa2c EP |
10548 | if (uapsd_queues >= 0) { |
10549 | struct nlattr *nla_wmm = | |
10550 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
10551 | if (!nla_wmm) | |
10552 | goto nla_put_failure; | |
10553 | ||
10554 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
10555 | uapsd_queues)) | |
10556 | goto nla_put_failure; | |
10557 | ||
10558 | nla_nest_end(msg, nla_wmm); | |
10559 | } | |
10560 | ||
3b7b72ee | 10561 | genlmsg_end(msg, hdr); |
6039f6d2 | 10562 | |
68eb5503 | 10563 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10564 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
10565 | return; |
10566 | ||
10567 | nla_put_failure: | |
10568 | genlmsg_cancel(msg, hdr); | |
10569 | nlmsg_free(msg); | |
10570 | } | |
10571 | ||
10572 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10573 | struct net_device *netdev, const u8 *buf, |
10574 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10575 | { |
10576 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 10577 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
10578 | } |
10579 | ||
10580 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
10581 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 10582 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 10583 | { |
e6d6e342 | 10584 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 10585 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
10586 | } |
10587 | ||
53b46b84 | 10588 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
10589 | struct net_device *netdev, const u8 *buf, |
10590 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10591 | { |
10592 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 10593 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
10594 | } |
10595 | ||
53b46b84 JM |
10596 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
10597 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 10598 | size_t len, gfp_t gfp) |
6039f6d2 JM |
10599 | { |
10600 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 10601 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
10602 | } |
10603 | ||
6ff57cf8 JB |
10604 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
10605 | size_t len) | |
cf4e594e | 10606 | { |
947add36 JB |
10607 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10608 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 10609 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
10610 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
10611 | u32 cmd; | |
947add36 | 10612 | |
6ff57cf8 JB |
10613 | if (WARN_ON(len < 2)) |
10614 | return; | |
cf4e594e | 10615 | |
6ff57cf8 JB |
10616 | if (ieee80211_is_deauth(mgmt->frame_control)) |
10617 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
10618 | else | |
10619 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 10620 | |
6ff57cf8 | 10621 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 10622 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 10623 | } |
6ff57cf8 | 10624 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 10625 | |
1b06bb40 LR |
10626 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
10627 | struct net_device *netdev, int cmd, | |
e6d6e342 | 10628 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
10629 | { |
10630 | struct sk_buff *msg; | |
10631 | void *hdr; | |
10632 | ||
e6d6e342 | 10633 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
10634 | if (!msg) |
10635 | return; | |
10636 | ||
10637 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10638 | if (!hdr) { | |
10639 | nlmsg_free(msg); | |
10640 | return; | |
10641 | } | |
10642 | ||
9360ffd1 DM |
10643 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10644 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10645 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
10646 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10647 | goto nla_put_failure; | |
1965c853 | 10648 | |
3b7b72ee | 10649 | genlmsg_end(msg, hdr); |
1965c853 | 10650 | |
68eb5503 | 10651 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10652 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
10653 | return; |
10654 | ||
10655 | nla_put_failure: | |
10656 | genlmsg_cancel(msg, hdr); | |
10657 | nlmsg_free(msg); | |
10658 | } | |
10659 | ||
10660 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10661 | struct net_device *netdev, const u8 *addr, |
10662 | gfp_t gfp) | |
1965c853 JM |
10663 | { |
10664 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 10665 | addr, gfp); |
1965c853 JM |
10666 | } |
10667 | ||
10668 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10669 | struct net_device *netdev, const u8 *addr, |
10670 | gfp_t gfp) | |
1965c853 | 10671 | { |
e6d6e342 JB |
10672 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
10673 | addr, gfp); | |
1965c853 JM |
10674 | } |
10675 | ||
b23aa676 SO |
10676 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
10677 | struct net_device *netdev, const u8 *bssid, | |
10678 | const u8 *req_ie, size_t req_ie_len, | |
10679 | const u8 *resp_ie, size_t resp_ie_len, | |
10680 | u16 status, gfp_t gfp) | |
10681 | { | |
10682 | struct sk_buff *msg; | |
10683 | void *hdr; | |
10684 | ||
58050fce | 10685 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10686 | if (!msg) |
10687 | return; | |
10688 | ||
10689 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
10690 | if (!hdr) { | |
10691 | nlmsg_free(msg); | |
10692 | return; | |
10693 | } | |
10694 | ||
9360ffd1 DM |
10695 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10696 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10697 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
10698 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
10699 | (req_ie && | |
10700 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10701 | (resp_ie && | |
10702 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10703 | goto nla_put_failure; | |
b23aa676 | 10704 | |
3b7b72ee | 10705 | genlmsg_end(msg, hdr); |
b23aa676 | 10706 | |
68eb5503 | 10707 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10708 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10709 | return; |
10710 | ||
10711 | nla_put_failure: | |
10712 | genlmsg_cancel(msg, hdr); | |
10713 | nlmsg_free(msg); | |
10714 | ||
10715 | } | |
10716 | ||
10717 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
10718 | struct net_device *netdev, const u8 *bssid, | |
10719 | const u8 *req_ie, size_t req_ie_len, | |
10720 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
10721 | { | |
10722 | struct sk_buff *msg; | |
10723 | void *hdr; | |
10724 | ||
58050fce | 10725 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10726 | if (!msg) |
10727 | return; | |
10728 | ||
10729 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
10730 | if (!hdr) { | |
10731 | nlmsg_free(msg); | |
10732 | return; | |
10733 | } | |
10734 | ||
9360ffd1 DM |
10735 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10736 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10737 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
10738 | (req_ie && | |
10739 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10740 | (resp_ie && | |
10741 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10742 | goto nla_put_failure; | |
b23aa676 | 10743 | |
3b7b72ee | 10744 | genlmsg_end(msg, hdr); |
b23aa676 | 10745 | |
68eb5503 | 10746 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10747 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10748 | return; |
10749 | ||
10750 | nla_put_failure: | |
10751 | genlmsg_cancel(msg, hdr); | |
10752 | nlmsg_free(msg); | |
10753 | ||
10754 | } | |
10755 | ||
10756 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
10757 | struct net_device *netdev, u16 reason, | |
667503dd | 10758 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
10759 | { |
10760 | struct sk_buff *msg; | |
10761 | void *hdr; | |
10762 | ||
58050fce | 10763 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
10764 | if (!msg) |
10765 | return; | |
10766 | ||
10767 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
10768 | if (!hdr) { | |
10769 | nlmsg_free(msg); | |
10770 | return; | |
10771 | } | |
10772 | ||
9360ffd1 DM |
10773 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10774 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10775 | (from_ap && reason && | |
10776 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
10777 | (from_ap && | |
10778 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
10779 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
10780 | goto nla_put_failure; | |
b23aa676 | 10781 | |
3b7b72ee | 10782 | genlmsg_end(msg, hdr); |
b23aa676 | 10783 | |
68eb5503 | 10784 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10785 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
10786 | return; |
10787 | ||
10788 | nla_put_failure: | |
10789 | genlmsg_cancel(msg, hdr); | |
10790 | nlmsg_free(msg); | |
10791 | ||
10792 | } | |
10793 | ||
04a773ad JB |
10794 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
10795 | struct net_device *netdev, const u8 *bssid, | |
10796 | gfp_t gfp) | |
10797 | { | |
10798 | struct sk_buff *msg; | |
10799 | void *hdr; | |
10800 | ||
fd2120ca | 10801 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
10802 | if (!msg) |
10803 | return; | |
10804 | ||
10805 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
10806 | if (!hdr) { | |
10807 | nlmsg_free(msg); | |
10808 | return; | |
10809 | } | |
10810 | ||
9360ffd1 DM |
10811 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10812 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10813 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10814 | goto nla_put_failure; | |
04a773ad | 10815 | |
3b7b72ee | 10816 | genlmsg_end(msg, hdr); |
04a773ad | 10817 | |
68eb5503 | 10818 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10819 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
10820 | return; |
10821 | ||
10822 | nla_put_failure: | |
10823 | genlmsg_cancel(msg, hdr); | |
10824 | nlmsg_free(msg); | |
10825 | } | |
10826 | ||
947add36 JB |
10827 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
10828 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 10829 | { |
947add36 | 10830 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 10831 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
10832 | struct sk_buff *msg; |
10833 | void *hdr; | |
10834 | ||
947add36 JB |
10835 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
10836 | return; | |
10837 | ||
10838 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
10839 | ||
c93b5e71 JC |
10840 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10841 | if (!msg) | |
10842 | return; | |
10843 | ||
10844 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
10845 | if (!hdr) { | |
10846 | nlmsg_free(msg); | |
10847 | return; | |
10848 | } | |
10849 | ||
9360ffd1 | 10850 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
10851 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10852 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
10853 | (ie_len && ie && |
10854 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
10855 | goto nla_put_failure; | |
c93b5e71 | 10856 | |
3b7b72ee | 10857 | genlmsg_end(msg, hdr); |
c93b5e71 | 10858 | |
68eb5503 | 10859 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10860 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
10861 | return; |
10862 | ||
10863 | nla_put_failure: | |
10864 | genlmsg_cancel(msg, hdr); | |
10865 | nlmsg_free(msg); | |
10866 | } | |
947add36 | 10867 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 10868 | |
a3b8b056 JM |
10869 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
10870 | struct net_device *netdev, const u8 *addr, | |
10871 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 10872 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
10873 | { |
10874 | struct sk_buff *msg; | |
10875 | void *hdr; | |
10876 | ||
e6d6e342 | 10877 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
10878 | if (!msg) |
10879 | return; | |
10880 | ||
10881 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
10882 | if (!hdr) { | |
10883 | nlmsg_free(msg); | |
10884 | return; | |
10885 | } | |
10886 | ||
9360ffd1 DM |
10887 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10888 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10889 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
10890 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
10891 | (key_id != -1 && | |
10892 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
10893 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
10894 | goto nla_put_failure; | |
a3b8b056 | 10895 | |
3b7b72ee | 10896 | genlmsg_end(msg, hdr); |
a3b8b056 | 10897 | |
68eb5503 | 10898 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10899 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
10900 | return; |
10901 | ||
10902 | nla_put_failure: | |
10903 | genlmsg_cancel(msg, hdr); | |
10904 | nlmsg_free(msg); | |
10905 | } | |
10906 | ||
6bad8766 LR |
10907 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
10908 | struct ieee80211_channel *channel_before, | |
10909 | struct ieee80211_channel *channel_after) | |
10910 | { | |
10911 | struct sk_buff *msg; | |
10912 | void *hdr; | |
10913 | struct nlattr *nl_freq; | |
10914 | ||
fd2120ca | 10915 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
10916 | if (!msg) |
10917 | return; | |
10918 | ||
10919 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
10920 | if (!hdr) { | |
10921 | nlmsg_free(msg); | |
10922 | return; | |
10923 | } | |
10924 | ||
10925 | /* | |
10926 | * Since we are applying the beacon hint to a wiphy we know its | |
10927 | * wiphy_idx is valid | |
10928 | */ | |
9360ffd1 DM |
10929 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
10930 | goto nla_put_failure; | |
6bad8766 LR |
10931 | |
10932 | /* Before */ | |
10933 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
10934 | if (!nl_freq) | |
10935 | goto nla_put_failure; | |
cdc89b97 | 10936 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
10937 | goto nla_put_failure; |
10938 | nla_nest_end(msg, nl_freq); | |
10939 | ||
10940 | /* After */ | |
10941 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
10942 | if (!nl_freq) | |
10943 | goto nla_put_failure; | |
cdc89b97 | 10944 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
10945 | goto nla_put_failure; |
10946 | nla_nest_end(msg, nl_freq); | |
10947 | ||
3b7b72ee | 10948 | genlmsg_end(msg, hdr); |
6bad8766 | 10949 | |
463d0183 | 10950 | rcu_read_lock(); |
68eb5503 | 10951 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10952 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 10953 | rcu_read_unlock(); |
6bad8766 LR |
10954 | |
10955 | return; | |
10956 | ||
10957 | nla_put_failure: | |
10958 | genlmsg_cancel(msg, hdr); | |
10959 | nlmsg_free(msg); | |
10960 | } | |
10961 | ||
9588bbd5 JM |
10962 | static void nl80211_send_remain_on_chan_event( |
10963 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 10964 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 10965 | struct ieee80211_channel *chan, |
9588bbd5 JM |
10966 | unsigned int duration, gfp_t gfp) |
10967 | { | |
10968 | struct sk_buff *msg; | |
10969 | void *hdr; | |
10970 | ||
10971 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10972 | if (!msg) | |
10973 | return; | |
10974 | ||
10975 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10976 | if (!hdr) { | |
10977 | nlmsg_free(msg); | |
10978 | return; | |
10979 | } | |
10980 | ||
9360ffd1 | 10981 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10982 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10983 | wdev->netdev->ifindex)) || | |
00f53350 | 10984 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 10985 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
10986 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
10987 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
10988 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
10989 | goto nla_put_failure; | |
9588bbd5 | 10990 | |
9360ffd1 DM |
10991 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
10992 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
10993 | goto nla_put_failure; | |
9588bbd5 | 10994 | |
3b7b72ee | 10995 | genlmsg_end(msg, hdr); |
9588bbd5 | 10996 | |
68eb5503 | 10997 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10998 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
10999 | return; |
11000 | ||
11001 | nla_put_failure: | |
11002 | genlmsg_cancel(msg, hdr); | |
11003 | nlmsg_free(msg); | |
11004 | } | |
11005 | ||
947add36 JB |
11006 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
11007 | struct ieee80211_channel *chan, | |
11008 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 11009 | { |
947add36 | 11010 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11011 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11012 | |
11013 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 11014 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 11015 | rdev, wdev, cookie, chan, |
42d97a59 | 11016 | duration, gfp); |
9588bbd5 | 11017 | } |
947add36 | 11018 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 11019 | |
947add36 JB |
11020 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
11021 | struct ieee80211_channel *chan, | |
11022 | gfp_t gfp) | |
9588bbd5 | 11023 | { |
947add36 | 11024 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11025 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11026 | |
11027 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 11028 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 11029 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 11030 | } |
947add36 | 11031 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 11032 | |
947add36 JB |
11033 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
11034 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 11035 | { |
947add36 | 11036 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 11037 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
11038 | struct sk_buff *msg; |
11039 | ||
947add36 JB |
11040 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
11041 | ||
58050fce | 11042 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
11043 | if (!msg) |
11044 | return; | |
11045 | ||
66266b3a JL |
11046 | if (nl80211_send_station(msg, 0, 0, 0, |
11047 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
11048 | nlmsg_free(msg); |
11049 | return; | |
11050 | } | |
11051 | ||
68eb5503 | 11052 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11053 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 11054 | } |
947add36 | 11055 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 11056 | |
947add36 | 11057 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 11058 | { |
947add36 | 11059 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 11060 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b JM |
11061 | struct sk_buff *msg; |
11062 | void *hdr; | |
11063 | ||
947add36 JB |
11064 | trace_cfg80211_del_sta(dev, mac_addr); |
11065 | ||
58050fce | 11066 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
11067 | if (!msg) |
11068 | return; | |
11069 | ||
11070 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
11071 | if (!hdr) { | |
11072 | nlmsg_free(msg); | |
11073 | return; | |
11074 | } | |
11075 | ||
9360ffd1 DM |
11076 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
11077 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
11078 | goto nla_put_failure; | |
ec15e68b | 11079 | |
3b7b72ee | 11080 | genlmsg_end(msg, hdr); |
ec15e68b | 11081 | |
68eb5503 | 11082 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11083 | NL80211_MCGRP_MLME, gfp); |
ec15e68b JM |
11084 | return; |
11085 | ||
11086 | nla_put_failure: | |
11087 | genlmsg_cancel(msg, hdr); | |
11088 | nlmsg_free(msg); | |
11089 | } | |
947add36 | 11090 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 11091 | |
947add36 JB |
11092 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
11093 | enum nl80211_connect_failed_reason reason, | |
11094 | gfp_t gfp) | |
ed44a951 | 11095 | { |
947add36 | 11096 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 11097 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
11098 | struct sk_buff *msg; |
11099 | void *hdr; | |
11100 | ||
11101 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
11102 | if (!msg) | |
11103 | return; | |
11104 | ||
11105 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
11106 | if (!hdr) { | |
11107 | nlmsg_free(msg); | |
11108 | return; | |
11109 | } | |
11110 | ||
11111 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11112 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
11113 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
11114 | goto nla_put_failure; | |
11115 | ||
11116 | genlmsg_end(msg, hdr); | |
11117 | ||
68eb5503 | 11118 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11119 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
11120 | return; |
11121 | ||
11122 | nla_put_failure: | |
11123 | genlmsg_cancel(msg, hdr); | |
11124 | nlmsg_free(msg); | |
11125 | } | |
947add36 | 11126 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 11127 | |
b92ab5d8 JB |
11128 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
11129 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
11130 | { |
11131 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 11132 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
11133 | struct sk_buff *msg; |
11134 | void *hdr; | |
15e47304 | 11135 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 11136 | |
15e47304 | 11137 | if (!nlportid) |
28946da7 JB |
11138 | return false; |
11139 | ||
11140 | msg = nlmsg_new(100, gfp); | |
11141 | if (!msg) | |
11142 | return true; | |
11143 | ||
b92ab5d8 | 11144 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
11145 | if (!hdr) { |
11146 | nlmsg_free(msg); | |
11147 | return true; | |
11148 | } | |
11149 | ||
9360ffd1 DM |
11150 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11151 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11152 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
11153 | goto nla_put_failure; | |
28946da7 | 11154 | |
9c90a9f6 | 11155 | genlmsg_end(msg, hdr); |
15e47304 | 11156 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
11157 | return true; |
11158 | ||
11159 | nla_put_failure: | |
11160 | genlmsg_cancel(msg, hdr); | |
11161 | nlmsg_free(msg); | |
11162 | return true; | |
11163 | } | |
11164 | ||
947add36 JB |
11165 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
11166 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 11167 | { |
947add36 JB |
11168 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11169 | bool ret; | |
11170 | ||
11171 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
11172 | ||
11173 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
11174 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
11175 | trace_cfg80211_return_bool(false); | |
11176 | return false; | |
11177 | } | |
11178 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
11179 | addr, gfp); | |
11180 | trace_cfg80211_return_bool(ret); | |
11181 | return ret; | |
b92ab5d8 | 11182 | } |
947add36 | 11183 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 11184 | |
947add36 JB |
11185 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
11186 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 11187 | { |
947add36 JB |
11188 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11189 | bool ret; | |
11190 | ||
11191 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
11192 | ||
11193 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
11194 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
11195 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
11196 | trace_cfg80211_return_bool(false); | |
11197 | return false; | |
11198 | } | |
11199 | ret = __nl80211_unexpected_frame(dev, | |
11200 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
11201 | addr, gfp); | |
11202 | trace_cfg80211_return_bool(ret); | |
11203 | return ret; | |
b92ab5d8 | 11204 | } |
947add36 | 11205 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 11206 | |
2e161f78 | 11207 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 11208 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 11209 | int freq, int sig_dbm, |
19504cf5 | 11210 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 11211 | { |
71bbc994 | 11212 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
11213 | struct sk_buff *msg; |
11214 | void *hdr; | |
026331c4 JM |
11215 | |
11216 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11217 | if (!msg) | |
11218 | return -ENOMEM; | |
11219 | ||
2e161f78 | 11220 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
11221 | if (!hdr) { |
11222 | nlmsg_free(msg); | |
11223 | return -ENOMEM; | |
11224 | } | |
11225 | ||
9360ffd1 | 11226 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11227 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11228 | netdev->ifindex)) || | |
a838490b | 11229 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
11230 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
11231 | (sig_dbm && | |
11232 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
11233 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
11234 | (flags && | |
11235 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 11236 | goto nla_put_failure; |
026331c4 | 11237 | |
3b7b72ee | 11238 | genlmsg_end(msg, hdr); |
026331c4 | 11239 | |
15e47304 | 11240 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
11241 | |
11242 | nla_put_failure: | |
11243 | genlmsg_cancel(msg, hdr); | |
11244 | nlmsg_free(msg); | |
11245 | return -ENOBUFS; | |
11246 | } | |
11247 | ||
947add36 JB |
11248 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
11249 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 11250 | { |
947add36 | 11251 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11252 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 11253 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
11254 | struct sk_buff *msg; |
11255 | void *hdr; | |
11256 | ||
947add36 JB |
11257 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
11258 | ||
026331c4 JM |
11259 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
11260 | if (!msg) | |
11261 | return; | |
11262 | ||
2e161f78 | 11263 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
11264 | if (!hdr) { |
11265 | nlmsg_free(msg); | |
11266 | return; | |
11267 | } | |
11268 | ||
9360ffd1 | 11269 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11270 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11271 | netdev->ifindex)) || | |
a838490b | 11272 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
11273 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
11274 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11275 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11276 | goto nla_put_failure; | |
026331c4 | 11277 | |
3b7b72ee | 11278 | genlmsg_end(msg, hdr); |
026331c4 | 11279 | |
68eb5503 | 11280 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11281 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
11282 | return; |
11283 | ||
11284 | nla_put_failure: | |
11285 | genlmsg_cancel(msg, hdr); | |
11286 | nlmsg_free(msg); | |
11287 | } | |
947add36 | 11288 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 11289 | |
947add36 JB |
11290 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
11291 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
11292 | gfp_t gfp) | |
d6dc1a38 | 11293 | { |
947add36 JB |
11294 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11295 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11296 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
d6dc1a38 JO |
11297 | struct sk_buff *msg; |
11298 | struct nlattr *pinfoattr; | |
11299 | void *hdr; | |
11300 | ||
947add36 JB |
11301 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
11302 | ||
58050fce | 11303 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
11304 | if (!msg) |
11305 | return; | |
11306 | ||
11307 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11308 | if (!hdr) { | |
11309 | nlmsg_free(msg); | |
11310 | return; | |
11311 | } | |
11312 | ||
9360ffd1 | 11313 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11314 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 11315 | goto nla_put_failure; |
d6dc1a38 JO |
11316 | |
11317 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11318 | if (!pinfoattr) | |
11319 | goto nla_put_failure; | |
11320 | ||
9360ffd1 DM |
11321 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
11322 | rssi_event)) | |
11323 | goto nla_put_failure; | |
d6dc1a38 JO |
11324 | |
11325 | nla_nest_end(msg, pinfoattr); | |
11326 | ||
3b7b72ee | 11327 | genlmsg_end(msg, hdr); |
d6dc1a38 | 11328 | |
68eb5503 | 11329 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11330 | NL80211_MCGRP_MLME, gfp); |
d6dc1a38 JO |
11331 | return; |
11332 | ||
11333 | nla_put_failure: | |
11334 | genlmsg_cancel(msg, hdr); | |
11335 | nlmsg_free(msg); | |
11336 | } | |
947add36 | 11337 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 11338 | |
947add36 JB |
11339 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
11340 | struct net_device *netdev, const u8 *bssid, | |
11341 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
11342 | { |
11343 | struct sk_buff *msg; | |
11344 | struct nlattr *rekey_attr; | |
11345 | void *hdr; | |
11346 | ||
58050fce | 11347 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
11348 | if (!msg) |
11349 | return; | |
11350 | ||
11351 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
11352 | if (!hdr) { | |
11353 | nlmsg_free(msg); | |
11354 | return; | |
11355 | } | |
11356 | ||
9360ffd1 DM |
11357 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11358 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11359 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
11360 | goto nla_put_failure; | |
e5497d76 JB |
11361 | |
11362 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
11363 | if (!rekey_attr) | |
11364 | goto nla_put_failure; | |
11365 | ||
9360ffd1 DM |
11366 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
11367 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
11368 | goto nla_put_failure; | |
e5497d76 JB |
11369 | |
11370 | nla_nest_end(msg, rekey_attr); | |
11371 | ||
3b7b72ee | 11372 | genlmsg_end(msg, hdr); |
e5497d76 | 11373 | |
68eb5503 | 11374 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11375 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
11376 | return; |
11377 | ||
11378 | nla_put_failure: | |
11379 | genlmsg_cancel(msg, hdr); | |
11380 | nlmsg_free(msg); | |
11381 | } | |
11382 | ||
947add36 JB |
11383 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
11384 | const u8 *replay_ctr, gfp_t gfp) | |
11385 | { | |
11386 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11387 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11388 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11389 | |
11390 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
11391 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
11392 | } | |
11393 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
11394 | ||
11395 | static void | |
11396 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
11397 | struct net_device *netdev, int index, | |
11398 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
11399 | { |
11400 | struct sk_buff *msg; | |
11401 | struct nlattr *attr; | |
11402 | void *hdr; | |
11403 | ||
58050fce | 11404 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
11405 | if (!msg) |
11406 | return; | |
11407 | ||
11408 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
11409 | if (!hdr) { | |
11410 | nlmsg_free(msg); | |
11411 | return; | |
11412 | } | |
11413 | ||
9360ffd1 DM |
11414 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11415 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
11416 | goto nla_put_failure; | |
c9df56b4 JM |
11417 | |
11418 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
11419 | if (!attr) | |
11420 | goto nla_put_failure; | |
11421 | ||
9360ffd1 DM |
11422 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
11423 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
11424 | (preauth && | |
11425 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
11426 | goto nla_put_failure; | |
c9df56b4 JM |
11427 | |
11428 | nla_nest_end(msg, attr); | |
11429 | ||
3b7b72ee | 11430 | genlmsg_end(msg, hdr); |
c9df56b4 | 11431 | |
68eb5503 | 11432 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11433 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
11434 | return; |
11435 | ||
11436 | nla_put_failure: | |
11437 | genlmsg_cancel(msg, hdr); | |
11438 | nlmsg_free(msg); | |
11439 | } | |
11440 | ||
947add36 JB |
11441 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
11442 | const u8 *bssid, bool preauth, gfp_t gfp) | |
11443 | { | |
11444 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11445 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11446 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11447 | |
11448 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
11449 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
11450 | } | |
11451 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
11452 | ||
11453 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
11454 | struct net_device *netdev, | |
11455 | struct cfg80211_chan_def *chandef, | |
11456 | gfp_t gfp) | |
5314526b TP |
11457 | { |
11458 | struct sk_buff *msg; | |
11459 | void *hdr; | |
11460 | ||
58050fce | 11461 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
11462 | if (!msg) |
11463 | return; | |
11464 | ||
11465 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
11466 | if (!hdr) { | |
11467 | nlmsg_free(msg); | |
11468 | return; | |
11469 | } | |
11470 | ||
683b6d3b JB |
11471 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
11472 | goto nla_put_failure; | |
11473 | ||
11474 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 11475 | goto nla_put_failure; |
5314526b TP |
11476 | |
11477 | genlmsg_end(msg, hdr); | |
11478 | ||
68eb5503 | 11479 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11480 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
11481 | return; |
11482 | ||
11483 | nla_put_failure: | |
11484 | genlmsg_cancel(msg, hdr); | |
11485 | nlmsg_free(msg); | |
11486 | } | |
11487 | ||
947add36 JB |
11488 | void cfg80211_ch_switch_notify(struct net_device *dev, |
11489 | struct cfg80211_chan_def *chandef) | |
84f10708 | 11490 | { |
947add36 JB |
11491 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11492 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11493 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 11494 | |
e487eaeb | 11495 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 11496 | |
e487eaeb | 11497 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 JB |
11498 | |
11499 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
ee4bc9e7 | 11500 | wdev->iftype != NL80211_IFTYPE_P2P_GO && |
b8456a14 CYY |
11501 | wdev->iftype != NL80211_IFTYPE_ADHOC && |
11502 | wdev->iftype != NL80211_IFTYPE_MESH_POINT)) | |
e487eaeb | 11503 | return; |
947add36 | 11504 | |
9e0e2961 | 11505 | wdev->chandef = *chandef; |
96f55f12 | 11506 | wdev->preset_chandef = *chandef; |
947add36 | 11507 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); |
947add36 JB |
11508 | } |
11509 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
11510 | ||
11511 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
11512 | const u8 *peer, u32 num_packets, | |
11513 | u32 rate, u32 intvl, gfp_t gfp) | |
11514 | { | |
11515 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11516 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11517 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
84f10708 TP |
11518 | struct sk_buff *msg; |
11519 | struct nlattr *pinfoattr; | |
11520 | void *hdr; | |
11521 | ||
11522 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
11523 | if (!msg) | |
11524 | return; | |
11525 | ||
11526 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11527 | if (!hdr) { | |
11528 | nlmsg_free(msg); | |
11529 | return; | |
11530 | } | |
11531 | ||
11532 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 11533 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
11534 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11535 | goto nla_put_failure; | |
11536 | ||
11537 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11538 | if (!pinfoattr) | |
11539 | goto nla_put_failure; | |
11540 | ||
11541 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
11542 | goto nla_put_failure; | |
11543 | ||
11544 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
11545 | goto nla_put_failure; | |
11546 | ||
11547 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
11548 | goto nla_put_failure; | |
11549 | ||
11550 | nla_nest_end(msg, pinfoattr); | |
11551 | ||
11552 | genlmsg_end(msg, hdr); | |
11553 | ||
68eb5503 | 11554 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11555 | NL80211_MCGRP_MLME, gfp); |
84f10708 TP |
11556 | return; |
11557 | ||
11558 | nla_put_failure: | |
11559 | genlmsg_cancel(msg, hdr); | |
11560 | nlmsg_free(msg); | |
11561 | } | |
947add36 | 11562 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 11563 | |
04f39047 SW |
11564 | void |
11565 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 11566 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
11567 | enum nl80211_radar_event event, |
11568 | struct net_device *netdev, gfp_t gfp) | |
11569 | { | |
11570 | struct sk_buff *msg; | |
11571 | void *hdr; | |
11572 | ||
11573 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11574 | if (!msg) | |
11575 | return; | |
11576 | ||
11577 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
11578 | if (!hdr) { | |
11579 | nlmsg_free(msg); | |
11580 | return; | |
11581 | } | |
11582 | ||
11583 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
11584 | goto nla_put_failure; | |
11585 | ||
11586 | /* NOP and radar events don't need a netdev parameter */ | |
11587 | if (netdev) { | |
11588 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
11589 | ||
11590 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11591 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11592 | goto nla_put_failure; | |
11593 | } | |
11594 | ||
11595 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
11596 | goto nla_put_failure; | |
11597 | ||
11598 | if (nl80211_send_chandef(msg, chandef)) | |
11599 | goto nla_put_failure; | |
11600 | ||
9c90a9f6 | 11601 | genlmsg_end(msg, hdr); |
04f39047 | 11602 | |
68eb5503 | 11603 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11604 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
11605 | return; |
11606 | ||
11607 | nla_put_failure: | |
11608 | genlmsg_cancel(msg, hdr); | |
11609 | nlmsg_free(msg); | |
11610 | } | |
11611 | ||
947add36 JB |
11612 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
11613 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 11614 | { |
947add36 JB |
11615 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11616 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11617 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
c063dbf5 JB |
11618 | struct sk_buff *msg; |
11619 | struct nlattr *pinfoattr; | |
11620 | void *hdr; | |
11621 | ||
947add36 JB |
11622 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
11623 | ||
58050fce | 11624 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
11625 | if (!msg) |
11626 | return; | |
11627 | ||
11628 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11629 | if (!hdr) { | |
11630 | nlmsg_free(msg); | |
11631 | return; | |
11632 | } | |
11633 | ||
9360ffd1 | 11634 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11635 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
11636 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11637 | goto nla_put_failure; | |
c063dbf5 JB |
11638 | |
11639 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11640 | if (!pinfoattr) | |
11641 | goto nla_put_failure; | |
11642 | ||
9360ffd1 DM |
11643 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
11644 | goto nla_put_failure; | |
c063dbf5 JB |
11645 | |
11646 | nla_nest_end(msg, pinfoattr); | |
11647 | ||
3b7b72ee | 11648 | genlmsg_end(msg, hdr); |
c063dbf5 | 11649 | |
68eb5503 | 11650 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11651 | NL80211_MCGRP_MLME, gfp); |
c063dbf5 JB |
11652 | return; |
11653 | ||
11654 | nla_put_failure: | |
11655 | genlmsg_cancel(msg, hdr); | |
11656 | nlmsg_free(msg); | |
11657 | } | |
947add36 | 11658 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 11659 | |
7f6cf311 JB |
11660 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
11661 | u64 cookie, bool acked, gfp_t gfp) | |
11662 | { | |
11663 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 11664 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
11665 | struct sk_buff *msg; |
11666 | void *hdr; | |
7f6cf311 | 11667 | |
4ee3e063 BL |
11668 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
11669 | ||
58050fce | 11670 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 11671 | |
7f6cf311 JB |
11672 | if (!msg) |
11673 | return; | |
11674 | ||
11675 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
11676 | if (!hdr) { | |
11677 | nlmsg_free(msg); | |
11678 | return; | |
11679 | } | |
11680 | ||
9360ffd1 DM |
11681 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11682 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11683 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
11684 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11685 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11686 | goto nla_put_failure; | |
7f6cf311 | 11687 | |
9c90a9f6 | 11688 | genlmsg_end(msg, hdr); |
7f6cf311 | 11689 | |
68eb5503 | 11690 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11691 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
11692 | return; |
11693 | ||
11694 | nla_put_failure: | |
11695 | genlmsg_cancel(msg, hdr); | |
11696 | nlmsg_free(msg); | |
11697 | } | |
11698 | EXPORT_SYMBOL(cfg80211_probe_status); | |
11699 | ||
5e760230 JB |
11700 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
11701 | const u8 *frame, size_t len, | |
37c73b5f | 11702 | int freq, int sig_dbm) |
5e760230 | 11703 | { |
f26cbf40 | 11704 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
11705 | struct sk_buff *msg; |
11706 | void *hdr; | |
37c73b5f | 11707 | struct cfg80211_beacon_registration *reg; |
5e760230 | 11708 | |
4ee3e063 BL |
11709 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
11710 | ||
37c73b5f BG |
11711 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11712 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11713 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
11714 | if (!msg) { | |
11715 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11716 | return; | |
11717 | } | |
5e760230 | 11718 | |
37c73b5f BG |
11719 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
11720 | if (!hdr) | |
11721 | goto nla_put_failure; | |
5e760230 | 11722 | |
37c73b5f BG |
11723 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11724 | (freq && | |
11725 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
11726 | (sig_dbm && | |
11727 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
11728 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
11729 | goto nla_put_failure; | |
5e760230 | 11730 | |
37c73b5f | 11731 | genlmsg_end(msg, hdr); |
5e760230 | 11732 | |
37c73b5f BG |
11733 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
11734 | } | |
11735 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
11736 | return; |
11737 | ||
11738 | nla_put_failure: | |
37c73b5f BG |
11739 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
11740 | if (hdr) | |
11741 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
11742 | nlmsg_free(msg); |
11743 | } | |
11744 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
11745 | ||
cd8f7cb4 JB |
11746 | #ifdef CONFIG_PM |
11747 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
11748 | struct cfg80211_wowlan_wakeup *wakeup, | |
11749 | gfp_t gfp) | |
11750 | { | |
f26cbf40 | 11751 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
11752 | struct sk_buff *msg; |
11753 | void *hdr; | |
9c90a9f6 | 11754 | int size = 200; |
cd8f7cb4 JB |
11755 | |
11756 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
11757 | ||
11758 | if (wakeup) | |
11759 | size += wakeup->packet_present_len; | |
11760 | ||
11761 | msg = nlmsg_new(size, gfp); | |
11762 | if (!msg) | |
11763 | return; | |
11764 | ||
11765 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
11766 | if (!hdr) | |
11767 | goto free_msg; | |
11768 | ||
11769 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11770 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11771 | goto free_msg; | |
11772 | ||
11773 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11774 | wdev->netdev->ifindex)) | |
11775 | goto free_msg; | |
11776 | ||
11777 | if (wakeup) { | |
11778 | struct nlattr *reasons; | |
11779 | ||
11780 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
11781 | if (!reasons) |
11782 | goto free_msg; | |
cd8f7cb4 JB |
11783 | |
11784 | if (wakeup->disconnect && | |
11785 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
11786 | goto free_msg; | |
11787 | if (wakeup->magic_pkt && | |
11788 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
11789 | goto free_msg; | |
11790 | if (wakeup->gtk_rekey_failure && | |
11791 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
11792 | goto free_msg; | |
11793 | if (wakeup->eap_identity_req && | |
11794 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
11795 | goto free_msg; | |
11796 | if (wakeup->four_way_handshake && | |
11797 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
11798 | goto free_msg; | |
11799 | if (wakeup->rfkill_release && | |
11800 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
11801 | goto free_msg; | |
11802 | ||
11803 | if (wakeup->pattern_idx >= 0 && | |
11804 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
11805 | wakeup->pattern_idx)) | |
11806 | goto free_msg; | |
11807 | ||
ae917c9f JB |
11808 | if (wakeup->tcp_match && |
11809 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
11810 | goto free_msg; | |
2a0e047e | 11811 | |
ae917c9f JB |
11812 | if (wakeup->tcp_connlost && |
11813 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
11814 | goto free_msg; | |
2a0e047e | 11815 | |
ae917c9f JB |
11816 | if (wakeup->tcp_nomoretokens && |
11817 | nla_put_flag(msg, | |
11818 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
11819 | goto free_msg; | |
2a0e047e | 11820 | |
cd8f7cb4 JB |
11821 | if (wakeup->packet) { |
11822 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
11823 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
11824 | ||
11825 | if (!wakeup->packet_80211) { | |
11826 | pkt_attr = | |
11827 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
11828 | len_attr = | |
11829 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
11830 | } | |
11831 | ||
11832 | if (wakeup->packet_len && | |
11833 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
11834 | goto free_msg; | |
11835 | ||
11836 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
11837 | wakeup->packet)) | |
11838 | goto free_msg; | |
11839 | } | |
11840 | ||
11841 | nla_nest_end(msg, reasons); | |
11842 | } | |
11843 | ||
9c90a9f6 | 11844 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 11845 | |
68eb5503 | 11846 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11847 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
11848 | return; |
11849 | ||
11850 | free_msg: | |
11851 | nlmsg_free(msg); | |
11852 | } | |
11853 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
11854 | #endif | |
11855 | ||
3475b094 JM |
11856 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
11857 | enum nl80211_tdls_operation oper, | |
11858 | u16 reason_code, gfp_t gfp) | |
11859 | { | |
11860 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 11861 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
11862 | struct sk_buff *msg; |
11863 | void *hdr; | |
3475b094 JM |
11864 | |
11865 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
11866 | reason_code); | |
11867 | ||
11868 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11869 | if (!msg) | |
11870 | return; | |
11871 | ||
11872 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
11873 | if (!hdr) { | |
11874 | nlmsg_free(msg); | |
11875 | return; | |
11876 | } | |
11877 | ||
11878 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11879 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11880 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
11881 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
11882 | (reason_code > 0 && | |
11883 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
11884 | goto nla_put_failure; | |
11885 | ||
9c90a9f6 | 11886 | genlmsg_end(msg, hdr); |
3475b094 | 11887 | |
68eb5503 | 11888 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11889 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
11890 | return; |
11891 | ||
11892 | nla_put_failure: | |
11893 | genlmsg_cancel(msg, hdr); | |
11894 | nlmsg_free(msg); | |
11895 | } | |
11896 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
11897 | ||
026331c4 JM |
11898 | static int nl80211_netlink_notify(struct notifier_block * nb, |
11899 | unsigned long state, | |
11900 | void *_notify) | |
11901 | { | |
11902 | struct netlink_notify *notify = _notify; | |
11903 | struct cfg80211_registered_device *rdev; | |
11904 | struct wireless_dev *wdev; | |
37c73b5f | 11905 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
11906 | |
11907 | if (state != NETLINK_URELEASE) | |
11908 | return NOTIFY_DONE; | |
11909 | ||
11910 | rcu_read_lock(); | |
11911 | ||
5e760230 | 11912 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a JB |
11913 | bool schedule_destroy_work = false; |
11914 | ||
11915 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) { | |
15e47304 | 11916 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 11917 | |
78f22b6a JB |
11918 | if (wdev->owner_nlportid == notify->portid) |
11919 | schedule_destroy_work = true; | |
11920 | } | |
11921 | ||
37c73b5f BG |
11922 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11923 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
11924 | list) { | |
11925 | if (reg->nlportid == notify->portid) { | |
11926 | list_del(®->list); | |
11927 | kfree(reg); | |
11928 | break; | |
11929 | } | |
11930 | } | |
11931 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
11932 | |
11933 | if (schedule_destroy_work) { | |
11934 | struct cfg80211_iface_destroy *destroy; | |
11935 | ||
11936 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
11937 | if (destroy) { | |
11938 | destroy->nlportid = notify->portid; | |
11939 | spin_lock(&rdev->destroy_list_lock); | |
11940 | list_add(&destroy->list, &rdev->destroy_list); | |
11941 | spin_unlock(&rdev->destroy_list_lock); | |
11942 | schedule_work(&rdev->destroy_work); | |
11943 | } | |
11944 | } | |
5e760230 | 11945 | } |
026331c4 JM |
11946 | |
11947 | rcu_read_unlock(); | |
11948 | ||
6784c7db | 11949 | return NOTIFY_OK; |
026331c4 JM |
11950 | } |
11951 | ||
11952 | static struct notifier_block nl80211_netlink_notifier = { | |
11953 | .notifier_call = nl80211_netlink_notify, | |
11954 | }; | |
11955 | ||
355199e0 JM |
11956 | void cfg80211_ft_event(struct net_device *netdev, |
11957 | struct cfg80211_ft_event_params *ft_event) | |
11958 | { | |
11959 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 11960 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
11961 | struct sk_buff *msg; |
11962 | void *hdr; | |
355199e0 JM |
11963 | |
11964 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
11965 | ||
11966 | if (!ft_event->target_ap) | |
11967 | return; | |
11968 | ||
11969 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11970 | if (!msg) | |
11971 | return; | |
11972 | ||
11973 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
11974 | if (!hdr) |
11975 | goto out; | |
355199e0 | 11976 | |
ae917c9f JB |
11977 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11978 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11979 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
11980 | goto out; | |
355199e0 | 11981 | |
ae917c9f JB |
11982 | if (ft_event->ies && |
11983 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
11984 | goto out; | |
11985 | if (ft_event->ric_ies && | |
11986 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
11987 | ft_event->ric_ies)) | |
11988 | goto out; | |
355199e0 | 11989 | |
9c90a9f6 | 11990 | genlmsg_end(msg, hdr); |
355199e0 | 11991 | |
68eb5503 | 11992 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11993 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
11994 | return; |
11995 | out: | |
11996 | nlmsg_free(msg); | |
355199e0 JM |
11997 | } |
11998 | EXPORT_SYMBOL(cfg80211_ft_event); | |
11999 | ||
5de17984 AS |
12000 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
12001 | { | |
12002 | struct cfg80211_registered_device *rdev; | |
12003 | struct sk_buff *msg; | |
12004 | void *hdr; | |
12005 | u32 nlportid; | |
12006 | ||
f26cbf40 | 12007 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
12008 | if (!rdev->crit_proto_nlportid) |
12009 | return; | |
12010 | ||
12011 | nlportid = rdev->crit_proto_nlportid; | |
12012 | rdev->crit_proto_nlportid = 0; | |
12013 | ||
12014 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12015 | if (!msg) | |
12016 | return; | |
12017 | ||
12018 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
12019 | if (!hdr) | |
12020 | goto nla_put_failure; | |
12021 | ||
12022 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12023 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12024 | goto nla_put_failure; | |
12025 | ||
12026 | genlmsg_end(msg, hdr); | |
12027 | ||
12028 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
12029 | return; | |
12030 | ||
12031 | nla_put_failure: | |
12032 | if (hdr) | |
12033 | genlmsg_cancel(msg, hdr); | |
12034 | nlmsg_free(msg); | |
12035 | ||
12036 | } | |
12037 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
12038 | ||
348baf0e JB |
12039 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
12040 | { | |
12041 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12042 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
12043 | struct sk_buff *msg; |
12044 | void *hdr; | |
12045 | ||
12046 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12047 | if (!msg) | |
12048 | return; | |
12049 | ||
12050 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
12051 | if (!hdr) | |
12052 | goto out; | |
12053 | ||
12054 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12055 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
12056 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12057 | goto out; | |
12058 | ||
12059 | genlmsg_end(msg, hdr); | |
12060 | ||
12061 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
12062 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
12063 | return; | |
12064 | out: | |
12065 | nlmsg_free(msg); | |
12066 | } | |
12067 | ||
55682965 JB |
12068 | /* initialisation/exit functions */ |
12069 | ||
12070 | int nl80211_init(void) | |
12071 | { | |
0d63cbb5 | 12072 | int err; |
55682965 | 12073 | |
2a94fe48 JB |
12074 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
12075 | nl80211_mcgrps); | |
55682965 JB |
12076 | if (err) |
12077 | return err; | |
12078 | ||
026331c4 JM |
12079 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
12080 | if (err) | |
12081 | goto err_out; | |
12082 | ||
55682965 JB |
12083 | return 0; |
12084 | err_out: | |
12085 | genl_unregister_family(&nl80211_fam); | |
12086 | return err; | |
12087 | } | |
12088 | ||
12089 | void nl80211_exit(void) | |
12090 | { | |
026331c4 | 12091 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
12092 | genl_unregister_family(&nl80211_fam); |
12093 | } |