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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 |
0c9ca11b | 6 | * Copyright 2015-2016 Intel Deutschland GmbH |
55682965 JB |
7 | */ |
8 | ||
9 | #include <linux/if.h> | |
10 | #include <linux/module.h> | |
11 | #include <linux/err.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
55682965 JB |
13 | #include <linux/list.h> |
14 | #include <linux/if_ether.h> | |
15 | #include <linux/ieee80211.h> | |
16 | #include <linux/nl80211.h> | |
17 | #include <linux/rtnetlink.h> | |
18 | #include <linux/netlink.h> | |
2a519311 | 19 | #include <linux/etherdevice.h> |
463d0183 | 20 | #include <net/net_namespace.h> |
55682965 JB |
21 | #include <net/genetlink.h> |
22 | #include <net/cfg80211.h> | |
463d0183 | 23 | #include <net/sock.h> |
2a0e047e | 24 | #include <net/inet_connection_sock.h> |
55682965 JB |
25 | #include "core.h" |
26 | #include "nl80211.h" | |
b2e1b302 | 27 | #include "reg.h" |
e35e4d28 | 28 | #include "rdev-ops.h" |
55682965 | 29 | |
5fb628e9 JM |
30 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
31 | struct genl_info *info, | |
32 | struct cfg80211_crypto_settings *settings, | |
33 | int cipher_limit); | |
34 | ||
55682965 | 35 | /* the netlink family */ |
489111e5 | 36 | static struct genl_family nl80211_fam; |
55682965 | 37 | |
2a94fe48 JB |
38 | /* multicast groups */ |
39 | enum nl80211_multicast_groups { | |
40 | NL80211_MCGRP_CONFIG, | |
41 | NL80211_MCGRP_SCAN, | |
42 | NL80211_MCGRP_REGULATORY, | |
43 | NL80211_MCGRP_MLME, | |
567ffc35 | 44 | NL80211_MCGRP_VENDOR, |
50bcd31d | 45 | NL80211_MCGRP_NAN, |
2a94fe48 JB |
46 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
47 | }; | |
48 | ||
49 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
71b836ec JB |
50 | [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG }, |
51 | [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN }, | |
52 | [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG }, | |
53 | [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME }, | |
54 | [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR }, | |
50bcd31d | 55 | [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN }, |
2a94fe48 | 56 | #ifdef CONFIG_NL80211_TESTMODE |
71b836ec | 57 | [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE } |
2a94fe48 JB |
58 | #endif |
59 | }; | |
60 | ||
89a54e48 JB |
61 | /* returns ERR_PTR values */ |
62 | static struct wireless_dev * | |
63 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 64 | { |
89a54e48 JB |
65 | struct cfg80211_registered_device *rdev; |
66 | struct wireless_dev *result = NULL; | |
67 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
68 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
69 | u64 wdev_id; | |
70 | int wiphy_idx = -1; | |
71 | int ifidx = -1; | |
55682965 | 72 | |
5fe231e8 | 73 | ASSERT_RTNL(); |
55682965 | 74 | |
89a54e48 JB |
75 | if (!have_ifidx && !have_wdev_id) |
76 | return ERR_PTR(-EINVAL); | |
55682965 | 77 | |
89a54e48 JB |
78 | if (have_ifidx) |
79 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
80 | if (have_wdev_id) { | |
81 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
82 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
83 | } |
84 | ||
89a54e48 JB |
85 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
86 | struct wireless_dev *wdev; | |
87 | ||
88 | if (wiphy_net(&rdev->wiphy) != netns) | |
89 | continue; | |
90 | ||
91 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
92 | continue; | |
93 | ||
53873f13 | 94 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
89a54e48 JB |
95 | if (have_ifidx && wdev->netdev && |
96 | wdev->netdev->ifindex == ifidx) { | |
97 | result = wdev; | |
98 | break; | |
99 | } | |
100 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
101 | result = wdev; | |
102 | break; | |
103 | } | |
104 | } | |
89a54e48 JB |
105 | |
106 | if (result) | |
107 | break; | |
108 | } | |
109 | ||
110 | if (result) | |
111 | return result; | |
112 | return ERR_PTR(-ENODEV); | |
55682965 JB |
113 | } |
114 | ||
a9455408 | 115 | static struct cfg80211_registered_device * |
878d9ec7 | 116 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 117 | { |
7fee4778 JB |
118 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
119 | struct net_device *netdev; | |
a9455408 | 120 | |
5fe231e8 | 121 | ASSERT_RTNL(); |
a9455408 | 122 | |
878d9ec7 | 123 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
124 | !attrs[NL80211_ATTR_IFINDEX] && |
125 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
126 | return ERR_PTR(-EINVAL); |
127 | ||
878d9ec7 | 128 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 129 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 130 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 131 | |
89a54e48 JB |
132 | if (attrs[NL80211_ATTR_WDEV]) { |
133 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
134 | struct wireless_dev *wdev; | |
135 | bool found = false; | |
136 | ||
137 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
138 | if (tmp) { | |
139 | /* make sure wdev exists */ | |
53873f13 | 140 | list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) { |
89a54e48 JB |
141 | if (wdev->identifier != (u32)wdev_id) |
142 | continue; | |
143 | found = true; | |
144 | break; | |
145 | } | |
89a54e48 JB |
146 | |
147 | if (!found) | |
148 | tmp = NULL; | |
149 | ||
150 | if (rdev && tmp != rdev) | |
151 | return ERR_PTR(-EINVAL); | |
152 | rdev = tmp; | |
153 | } | |
154 | } | |
155 | ||
878d9ec7 JB |
156 | if (attrs[NL80211_ATTR_IFINDEX]) { |
157 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7a087e74 | 158 | |
7f2b8562 | 159 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
160 | if (netdev) { |
161 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
162 | tmp = wiphy_to_rdev( |
163 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
164 | else |
165 | tmp = NULL; | |
166 | ||
7fee4778 JB |
167 | /* not wireless device -- return error */ |
168 | if (!tmp) | |
169 | return ERR_PTR(-EINVAL); | |
170 | ||
171 | /* mismatch -- return error */ | |
172 | if (rdev && tmp != rdev) | |
173 | return ERR_PTR(-EINVAL); | |
174 | ||
175 | rdev = tmp; | |
a9455408 | 176 | } |
a9455408 | 177 | } |
a9455408 | 178 | |
4f7eff10 JB |
179 | if (!rdev) |
180 | return ERR_PTR(-ENODEV); | |
a9455408 | 181 | |
4f7eff10 JB |
182 | if (netns != wiphy_net(&rdev->wiphy)) |
183 | return ERR_PTR(-ENODEV); | |
184 | ||
185 | return rdev; | |
a9455408 JB |
186 | } |
187 | ||
188 | /* | |
189 | * This function returns a pointer to the driver | |
190 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
191 | * |
192 | * The result of this can be a PTR_ERR and hence must | |
193 | * be checked with IS_ERR() for errors. | |
194 | */ | |
195 | static struct cfg80211_registered_device * | |
4f7eff10 | 196 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 197 | { |
5fe231e8 | 198 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
199 | } |
200 | ||
55682965 | 201 | /* policy for the attributes */ |
8cd4d456 | 202 | static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { |
55682965 JB |
203 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
204 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 205 | .len = 20-1 }, |
31888487 | 206 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 207 | |
72bdcf34 | 208 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 209 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
210 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
211 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
212 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
213 | ||
b9a5f8ca JM |
214 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
215 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
216 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
217 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 218 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
3057dbfd | 219 | [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, |
55682965 JB |
220 | |
221 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
222 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
223 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 224 | |
e007b857 EP |
225 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
226 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 227 | |
b9454e83 | 228 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
229 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
230 | .len = WLAN_MAX_KEY_LEN }, | |
231 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
232 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
233 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 234 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 235 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
236 | |
237 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
238 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
239 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
240 | .len = IEEE80211_MAX_DATA_LEN }, | |
241 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
242 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
243 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
244 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
245 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
246 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
247 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 248 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 249 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 250 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 251 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 252 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 253 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 254 | |
b2e1b302 LR |
255 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
256 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
257 | ||
9f1ba906 JM |
258 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
259 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
260 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
261 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
262 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 263 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 264 | |
24bdd9f4 | 265 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 266 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 267 | |
6c739419 | 268 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
269 | |
270 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
271 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
272 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
273 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
274 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
275 | |
276 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
277 | .len = IEEE80211_MAX_SSID_LEN }, | |
278 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
279 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 280 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 281 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 282 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
283 | [NL80211_ATTR_STA_FLAGS2] = { |
284 | .len = sizeof(struct nl80211_sta_flag_update), | |
285 | }, | |
3f77316c | 286 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
287 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
288 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
289 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
290 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
291 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 292 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 293 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
294 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
295 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
296 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
297 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 298 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
299 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
300 | .len = IEEE80211_MAX_DATA_LEN }, | |
301 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 302 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 303 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 304 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 305 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
306 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
307 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 308 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
309 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
310 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 311 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 312 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 313 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 314 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 315 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 316 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 317 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 318 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 319 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
320 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
321 | .len = IEEE80211_MAX_DATA_LEN }, | |
322 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
323 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 324 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 325 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 326 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
327 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
328 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
329 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
330 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
331 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 332 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 333 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
334 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
335 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 336 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
337 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
338 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
339 | .len = NL80211_HT_CAPABILITY_LEN | |
340 | }, | |
1d9d9213 | 341 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 342 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 343 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 344 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 345 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
11b6b5a4 | 346 | [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 347 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 348 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
349 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
350 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
351 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
352 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
353 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
354 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 355 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
356 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
357 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
358 | .len = NL80211_VHT_CAPABILITY_LEN, | |
359 | }, | |
355199e0 JM |
360 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
361 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
362 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 363 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
364 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
365 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
366 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
367 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
368 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
369 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
370 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 371 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 372 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
373 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
374 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
375 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
376 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
377 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
378 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
379 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 380 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
18e5ca65 | 381 | [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 382 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 383 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
960d01ac JB |
384 | [NL80211_ATTR_TSID] = { .type = NLA_U8 }, |
385 | [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, | |
386 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, | |
18998c38 | 387 | [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, |
ad2b26ab | 388 | [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN }, |
1bdd716c | 389 | [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG }, |
4b681c82 | 390 | [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 }, |
9c748934 | 391 | [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 }, |
05050753 | 392 | [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG }, |
34d50519 | 393 | [NL80211_ATTR_PBSS] = { .type = NLA_FLAG }, |
38de03d2 | 394 | [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED }, |
17b94247 | 395 | [NL80211_ATTR_STA_SUPPORT_P2P_PS] = { .type = NLA_U8 }, |
c6e6a0c8 AE |
396 | [NL80211_ATTR_MU_MIMO_GROUP_DATA] = { |
397 | .len = VHT_MUMIMO_GROUPS_DATA_LEN | |
398 | }, | |
399 | [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN }, | |
cb3b7d87 AB |
400 | [NL80211_ATTR_NAN_MASTER_PREF] = { .type = NLA_U8 }, |
401 | [NL80211_ATTR_NAN_DUAL] = { .type = NLA_U8 }, | |
a442b761 | 402 | [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED }, |
348bd456 JM |
403 | [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY, |
404 | .len = FILS_MAX_KEK_LEN }, | |
405 | [NL80211_ATTR_FILS_NONCES] = { .len = 2 * FILS_NONCE_LEN }, | |
ce0ce13a | 406 | [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, }, |
2fa436b3 | 407 | [NL80211_ATTR_BSSID] = { .len = ETH_ALEN }, |
55682965 JB |
408 | }; |
409 | ||
e31b8213 | 410 | /* policy for the key attributes */ |
b54452b0 | 411 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 412 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
413 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
414 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 415 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
416 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
417 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 418 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
419 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
420 | }; | |
421 | ||
422 | /* policy for the key default flags */ | |
423 | static const struct nla_policy | |
424 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
425 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
426 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
427 | }; |
428 | ||
f83ace3b | 429 | #ifdef CONFIG_PM |
ff1b6e69 JB |
430 | /* policy for WoWLAN attributes */ |
431 | static const struct nla_policy | |
432 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
433 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
434 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
435 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
436 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
437 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
438 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
439 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
440 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 441 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 442 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
443 | }; |
444 | ||
445 | static const struct nla_policy | |
446 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
447 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
448 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
449 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
450 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
451 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
452 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
453 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
454 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
455 | }, | |
456 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
457 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
458 | }, | |
459 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
460 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
461 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 | 462 | }; |
f83ace3b | 463 | #endif /* CONFIG_PM */ |
ff1b6e69 | 464 | |
be29b99a AK |
465 | /* policy for coalesce rule attributes */ |
466 | static const struct nla_policy | |
467 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
468 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
469 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
470 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
471 | }; | |
472 | ||
e5497d76 JB |
473 | /* policy for GTK rekey offload attributes */ |
474 | static const struct nla_policy | |
475 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
476 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
477 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
478 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
479 | }; | |
480 | ||
a1f1c21c LC |
481 | static const struct nla_policy |
482 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 483 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 484 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 485 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
486 | }; |
487 | ||
3b06d277 AS |
488 | static const struct nla_policy |
489 | nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = { | |
490 | [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 }, | |
491 | [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 }, | |
492 | }; | |
493 | ||
38de03d2 AS |
494 | static const struct nla_policy |
495 | nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = { | |
496 | [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG }, | |
497 | [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 }, | |
498 | [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = { | |
499 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
500 | }, | |
501 | }; | |
502 | ||
a442b761 AB |
503 | /* policy for NAN function attributes */ |
504 | static const struct nla_policy | |
505 | nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = { | |
506 | [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 }, | |
507 | [NL80211_NAN_FUNC_SERVICE_ID] = { .type = NLA_BINARY, | |
508 | .len = NL80211_NAN_FUNC_SERVICE_ID_LEN }, | |
509 | [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 }, | |
510 | [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG }, | |
511 | [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG }, | |
512 | [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 }, | |
513 | [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 }, | |
514 | [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN }, | |
515 | [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG }, | |
516 | [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 }, | |
517 | [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY, | |
518 | .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN }, | |
519 | [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED }, | |
520 | [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
521 | [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
522 | [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 }, | |
523 | [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 }, | |
524 | }; | |
525 | ||
526 | /* policy for Service Response Filter attributes */ | |
527 | static const struct nla_policy | |
528 | nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = { | |
529 | [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG }, | |
530 | [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY, | |
531 | .len = NL80211_NAN_FUNC_SRF_MAX_LEN }, | |
532 | [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 }, | |
533 | [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED }, | |
534 | }; | |
535 | ||
97990a06 JB |
536 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
537 | struct netlink_callback *cb, | |
538 | struct cfg80211_registered_device **rdev, | |
539 | struct wireless_dev **wdev) | |
a043897a | 540 | { |
97990a06 | 541 | int err; |
a043897a | 542 | |
97990a06 | 543 | rtnl_lock(); |
a043897a | 544 | |
97990a06 JB |
545 | if (!cb->args[0]) { |
546 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
c90c39da JB |
547 | genl_family_attrbuf(&nl80211_fam), |
548 | nl80211_fam.maxattr, nl80211_policy); | |
97990a06 JB |
549 | if (err) |
550 | goto out_unlock; | |
67748893 | 551 | |
c90c39da JB |
552 | *wdev = __cfg80211_wdev_from_attrs( |
553 | sock_net(skb->sk), | |
554 | genl_family_attrbuf(&nl80211_fam)); | |
97990a06 JB |
555 | if (IS_ERR(*wdev)) { |
556 | err = PTR_ERR(*wdev); | |
557 | goto out_unlock; | |
558 | } | |
f26cbf40 | 559 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
560 | /* 0 is the first index - add 1 to parse only once */ |
561 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
562 | cb->args[1] = (*wdev)->identifier; |
563 | } else { | |
c319d50b JB |
564 | /* subtract the 1 again here */ |
565 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 566 | struct wireless_dev *tmp; |
67748893 | 567 | |
97990a06 JB |
568 | if (!wiphy) { |
569 | err = -ENODEV; | |
570 | goto out_unlock; | |
571 | } | |
f26cbf40 | 572 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 573 | *wdev = NULL; |
67748893 | 574 | |
53873f13 | 575 | list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) { |
97990a06 JB |
576 | if (tmp->identifier == cb->args[1]) { |
577 | *wdev = tmp; | |
578 | break; | |
579 | } | |
580 | } | |
67748893 | 581 | |
97990a06 JB |
582 | if (!*wdev) { |
583 | err = -ENODEV; | |
584 | goto out_unlock; | |
585 | } | |
67748893 JB |
586 | } |
587 | ||
67748893 | 588 | return 0; |
97990a06 | 589 | out_unlock: |
67748893 JB |
590 | rtnl_unlock(); |
591 | return err; | |
592 | } | |
593 | ||
97990a06 | 594 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 595 | { |
67748893 JB |
596 | rtnl_unlock(); |
597 | } | |
598 | ||
f4a11bb0 JB |
599 | /* IE validation */ |
600 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
601 | { | |
602 | const u8 *pos; | |
603 | int len; | |
604 | ||
605 | if (!attr) | |
606 | return true; | |
607 | ||
608 | pos = nla_data(attr); | |
609 | len = nla_len(attr); | |
610 | ||
611 | while (len) { | |
612 | u8 elemlen; | |
613 | ||
614 | if (len < 2) | |
615 | return false; | |
616 | len -= 2; | |
617 | ||
618 | elemlen = pos[1]; | |
619 | if (elemlen > len) | |
620 | return false; | |
621 | ||
622 | len -= elemlen; | |
623 | pos += 2 + elemlen; | |
624 | } | |
625 | ||
626 | return true; | |
627 | } | |
628 | ||
55682965 | 629 | /* message building helper */ |
15e47304 | 630 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
631 | int flags, u8 cmd) |
632 | { | |
633 | /* since there is no private header just add the generic one */ | |
15e47304 | 634 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
635 | } |
636 | ||
5dab3b8a | 637 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
638 | struct ieee80211_channel *chan, |
639 | bool large) | |
5dab3b8a | 640 | { |
ea077c1c RL |
641 | /* Some channels must be completely excluded from the |
642 | * list to protect old user-space tools from breaking | |
643 | */ | |
644 | if (!large && chan->flags & | |
645 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
646 | return 0; | |
647 | ||
9360ffd1 DM |
648 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
649 | chan->center_freq)) | |
650 | goto nla_put_failure; | |
5dab3b8a | 651 | |
9360ffd1 DM |
652 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
653 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
654 | goto nla_put_failure; | |
8fe02e16 LR |
655 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
656 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
657 | goto nla_put_failure; | |
658 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
659 | goto nla_put_failure; | |
660 | } | |
cdc89b97 JB |
661 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
662 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
663 | goto nla_put_failure; | |
664 | if (large) { | |
665 | u32 time; | |
666 | ||
667 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
668 | ||
669 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
670 | chan->dfs_state)) | |
671 | goto nla_put_failure; | |
672 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
673 | time)) | |
674 | goto nla_put_failure; | |
089027e5 JD |
675 | if (nla_put_u32(msg, |
676 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
677 | chan->dfs_cac_ms)) | |
678 | goto nla_put_failure; | |
cdc89b97 JB |
679 | } |
680 | } | |
5dab3b8a | 681 | |
fe1abafd JB |
682 | if (large) { |
683 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
684 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
685 | goto nla_put_failure; | |
686 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
687 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
688 | goto nla_put_failure; | |
689 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
690 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
691 | goto nla_put_failure; | |
692 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
693 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
694 | goto nla_put_failure; | |
570dbde1 DS |
695 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
696 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
697 | goto nla_put_failure; | |
06f207fc AN |
698 | if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) && |
699 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT)) | |
570dbde1 | 700 | goto nla_put_failure; |
ea077c1c RL |
701 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
702 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
703 | goto nla_put_failure; | |
704 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
705 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
706 | goto nla_put_failure; | |
fe1abafd JB |
707 | } |
708 | ||
9360ffd1 DM |
709 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
710 | DBM_TO_MBM(chan->max_power))) | |
711 | goto nla_put_failure; | |
5dab3b8a LR |
712 | |
713 | return 0; | |
714 | ||
715 | nla_put_failure: | |
716 | return -ENOBUFS; | |
717 | } | |
718 | ||
55682965 JB |
719 | /* netlink command implementations */ |
720 | ||
b9454e83 JB |
721 | struct key_parse { |
722 | struct key_params p; | |
723 | int idx; | |
e31b8213 | 724 | int type; |
b9454e83 | 725 | bool def, defmgmt; |
dbd2fd65 | 726 | bool def_uni, def_multi; |
b9454e83 JB |
727 | }; |
728 | ||
729 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
730 | { | |
731 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
732 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
733 | nl80211_key_policy); | |
734 | if (err) | |
735 | return err; | |
736 | ||
737 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
738 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
739 | ||
dbd2fd65 JB |
740 | if (k->def) { |
741 | k->def_uni = true; | |
742 | k->def_multi = true; | |
743 | } | |
744 | if (k->defmgmt) | |
745 | k->def_multi = true; | |
746 | ||
b9454e83 JB |
747 | if (tb[NL80211_KEY_IDX]) |
748 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
749 | ||
750 | if (tb[NL80211_KEY_DATA]) { | |
751 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
752 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
753 | } | |
754 | ||
755 | if (tb[NL80211_KEY_SEQ]) { | |
756 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
757 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
758 | } | |
759 | ||
760 | if (tb[NL80211_KEY_CIPHER]) | |
761 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
762 | ||
e31b8213 JB |
763 | if (tb[NL80211_KEY_TYPE]) { |
764 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
765 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
766 | return -EINVAL; | |
767 | } | |
768 | ||
dbd2fd65 JB |
769 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
770 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
7a087e74 | 771 | |
2da8f419 JB |
772 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
773 | tb[NL80211_KEY_DEFAULT_TYPES], | |
774 | nl80211_key_default_policy); | |
dbd2fd65 JB |
775 | if (err) |
776 | return err; | |
777 | ||
778 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
779 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
780 | } | |
781 | ||
b9454e83 JB |
782 | return 0; |
783 | } | |
784 | ||
785 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
786 | { | |
787 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
788 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
789 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
790 | } | |
791 | ||
792 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
793 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
794 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
795 | } | |
796 | ||
797 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
798 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
799 | ||
800 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
801 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
802 | ||
803 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
804 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
805 | ||
dbd2fd65 JB |
806 | if (k->def) { |
807 | k->def_uni = true; | |
808 | k->def_multi = true; | |
809 | } | |
810 | if (k->defmgmt) | |
811 | k->def_multi = true; | |
812 | ||
e31b8213 JB |
813 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
814 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
815 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
816 | return -EINVAL; | |
817 | } | |
818 | ||
dbd2fd65 JB |
819 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
820 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
821 | int err = nla_parse_nested( | |
822 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
823 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
824 | nl80211_key_default_policy); | |
825 | if (err) | |
826 | return err; | |
827 | ||
828 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
829 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
830 | } | |
831 | ||
b9454e83 JB |
832 | return 0; |
833 | } | |
834 | ||
835 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
836 | { | |
837 | int err; | |
838 | ||
839 | memset(k, 0, sizeof(*k)); | |
840 | k->idx = -1; | |
e31b8213 | 841 | k->type = -1; |
b9454e83 JB |
842 | |
843 | if (info->attrs[NL80211_ATTR_KEY]) | |
844 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
845 | else | |
846 | err = nl80211_parse_key_old(info, k); | |
847 | ||
848 | if (err) | |
849 | return err; | |
850 | ||
851 | if (k->def && k->defmgmt) | |
852 | return -EINVAL; | |
853 | ||
dbd2fd65 JB |
854 | if (k->defmgmt) { |
855 | if (k->def_uni || !k->def_multi) | |
856 | return -EINVAL; | |
857 | } | |
858 | ||
b9454e83 JB |
859 | if (k->idx != -1) { |
860 | if (k->defmgmt) { | |
861 | if (k->idx < 4 || k->idx > 5) | |
862 | return -EINVAL; | |
863 | } else if (k->def) { | |
864 | if (k->idx < 0 || k->idx > 3) | |
865 | return -EINVAL; | |
866 | } else { | |
867 | if (k->idx < 0 || k->idx > 5) | |
868 | return -EINVAL; | |
869 | } | |
870 | } | |
871 | ||
872 | return 0; | |
873 | } | |
874 | ||
fffd0934 JB |
875 | static struct cfg80211_cached_keys * |
876 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 877 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
878 | { |
879 | struct key_parse parse; | |
880 | struct nlattr *key; | |
881 | struct cfg80211_cached_keys *result; | |
882 | int rem, err, def = 0; | |
f1c1f17a JB |
883 | bool have_key = false; |
884 | ||
885 | nla_for_each_nested(key, keys, rem) { | |
886 | have_key = true; | |
887 | break; | |
888 | } | |
889 | ||
890 | if (!have_key) | |
891 | return NULL; | |
fffd0934 JB |
892 | |
893 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
894 | if (!result) | |
895 | return ERR_PTR(-ENOMEM); | |
896 | ||
897 | result->def = -1; | |
fffd0934 JB |
898 | |
899 | nla_for_each_nested(key, keys, rem) { | |
900 | memset(&parse, 0, sizeof(parse)); | |
901 | parse.idx = -1; | |
902 | ||
903 | err = nl80211_parse_key_new(key, &parse); | |
904 | if (err) | |
905 | goto error; | |
906 | err = -EINVAL; | |
907 | if (!parse.p.key) | |
908 | goto error; | |
42ee231c | 909 | if (parse.idx < 0 || parse.idx > 3) |
fffd0934 JB |
910 | goto error; |
911 | if (parse.def) { | |
912 | if (def) | |
913 | goto error; | |
914 | def = 1; | |
915 | result->def = parse.idx; | |
dbd2fd65 JB |
916 | if (!parse.def_uni || !parse.def_multi) |
917 | goto error; | |
fffd0934 JB |
918 | } else if (parse.defmgmt) |
919 | goto error; | |
920 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 921 | parse.idx, false, NULL); |
fffd0934 JB |
922 | if (err) |
923 | goto error; | |
386b1f27 JB |
924 | if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 && |
925 | parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) { | |
926 | err = -EINVAL; | |
927 | goto error; | |
928 | } | |
fffd0934 JB |
929 | result->params[parse.idx].cipher = parse.p.cipher; |
930 | result->params[parse.idx].key_len = parse.p.key_len; | |
931 | result->params[parse.idx].key = result->data[parse.idx]; | |
932 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee | 933 | |
386b1f27 JB |
934 | /* must be WEP key if we got here */ |
935 | if (no_ht) | |
936 | *no_ht = true; | |
fffd0934 JB |
937 | } |
938 | ||
f1c1f17a JB |
939 | if (result->def < 0) { |
940 | err = -EINVAL; | |
941 | goto error; | |
942 | } | |
943 | ||
fffd0934 JB |
944 | return result; |
945 | error: | |
946 | kfree(result); | |
947 | return ERR_PTR(err); | |
948 | } | |
949 | ||
950 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
951 | { | |
952 | ASSERT_WDEV_LOCK(wdev); | |
953 | ||
fffd0934 JB |
954 | switch (wdev->iftype) { |
955 | case NL80211_IFTYPE_AP: | |
956 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 957 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 958 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
959 | break; |
960 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 961 | case NL80211_IFTYPE_STATION: |
074ac8df | 962 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 963 | if (!wdev->current_bss) |
fffd0934 JB |
964 | return -ENOLINK; |
965 | break; | |
de4fcbad | 966 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 967 | case NL80211_IFTYPE_OCB: |
de4fcbad | 968 | case NL80211_IFTYPE_MONITOR: |
cb3b7d87 | 969 | case NL80211_IFTYPE_NAN: |
de4fcbad JB |
970 | case NL80211_IFTYPE_P2P_DEVICE: |
971 | case NL80211_IFTYPE_WDS: | |
972 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
973 | return -EINVAL; |
974 | } | |
975 | ||
976 | return 0; | |
977 | } | |
978 | ||
664834de JM |
979 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
980 | struct nlattr *tb) | |
981 | { | |
982 | struct ieee80211_channel *chan; | |
983 | ||
984 | if (tb == NULL) | |
985 | return NULL; | |
986 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
987 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
988 | return NULL; | |
989 | return chan; | |
990 | } | |
991 | ||
7527a782 JB |
992 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
993 | { | |
994 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
995 | int i; | |
996 | ||
997 | if (!nl_modes) | |
998 | goto nla_put_failure; | |
999 | ||
1000 | i = 0; | |
1001 | while (ifmodes) { | |
9360ffd1 DM |
1002 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
1003 | goto nla_put_failure; | |
7527a782 JB |
1004 | ifmodes >>= 1; |
1005 | i++; | |
1006 | } | |
1007 | ||
1008 | nla_nest_end(msg, nl_modes); | |
1009 | return 0; | |
1010 | ||
1011 | nla_put_failure: | |
1012 | return -ENOBUFS; | |
1013 | } | |
1014 | ||
1015 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
1016 | struct sk_buff *msg, |
1017 | bool large) | |
7527a782 JB |
1018 | { |
1019 | struct nlattr *nl_combis; | |
1020 | int i, j; | |
1021 | ||
1022 | nl_combis = nla_nest_start(msg, | |
1023 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
1024 | if (!nl_combis) | |
1025 | goto nla_put_failure; | |
1026 | ||
1027 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
1028 | const struct ieee80211_iface_combination *c; | |
1029 | struct nlattr *nl_combi, *nl_limits; | |
1030 | ||
1031 | c = &wiphy->iface_combinations[i]; | |
1032 | ||
1033 | nl_combi = nla_nest_start(msg, i + 1); | |
1034 | if (!nl_combi) | |
1035 | goto nla_put_failure; | |
1036 | ||
1037 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
1038 | if (!nl_limits) | |
1039 | goto nla_put_failure; | |
1040 | ||
1041 | for (j = 0; j < c->n_limits; j++) { | |
1042 | struct nlattr *nl_limit; | |
1043 | ||
1044 | nl_limit = nla_nest_start(msg, j + 1); | |
1045 | if (!nl_limit) | |
1046 | goto nla_put_failure; | |
9360ffd1 DM |
1047 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
1048 | c->limits[j].max)) | |
1049 | goto nla_put_failure; | |
7527a782 JB |
1050 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
1051 | c->limits[j].types)) | |
1052 | goto nla_put_failure; | |
1053 | nla_nest_end(msg, nl_limit); | |
1054 | } | |
1055 | ||
1056 | nla_nest_end(msg, nl_limits); | |
1057 | ||
9360ffd1 DM |
1058 | if (c->beacon_int_infra_match && |
1059 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
1060 | goto nla_put_failure; | |
1061 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
1062 | c->num_different_channels) || | |
1063 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
1064 | c->max_interfaces)) | |
1065 | goto nla_put_failure; | |
cdc89b97 | 1066 | if (large && |
8c48b50a FF |
1067 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
1068 | c->radar_detect_widths) || | |
1069 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
1070 | c->radar_detect_regions))) | |
cdc89b97 | 1071 | goto nla_put_failure; |
0c317a02 PK |
1072 | if (c->beacon_int_min_gcd && |
1073 | nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD, | |
1074 | c->beacon_int_min_gcd)) | |
1075 | goto nla_put_failure; | |
7527a782 JB |
1076 | |
1077 | nla_nest_end(msg, nl_combi); | |
1078 | } | |
1079 | ||
1080 | nla_nest_end(msg, nl_combis); | |
1081 | ||
1082 | return 0; | |
1083 | nla_put_failure: | |
1084 | return -ENOBUFS; | |
1085 | } | |
1086 | ||
3713b4e3 | 1087 | #ifdef CONFIG_PM |
b56cf720 JB |
1088 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1089 | struct sk_buff *msg) | |
1090 | { | |
964dc9e2 | 1091 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1092 | struct nlattr *nl_tcp; |
1093 | ||
1094 | if (!tcp) | |
1095 | return 0; | |
1096 | ||
1097 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1098 | if (!nl_tcp) | |
1099 | return -ENOBUFS; | |
1100 | ||
1101 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1102 | tcp->data_payload_max)) | |
1103 | return -ENOBUFS; | |
1104 | ||
1105 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1106 | tcp->data_payload_max)) | |
1107 | return -ENOBUFS; | |
1108 | ||
1109 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1110 | return -ENOBUFS; | |
1111 | ||
1112 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1113 | sizeof(*tcp->tok), tcp->tok)) | |
1114 | return -ENOBUFS; | |
1115 | ||
1116 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1117 | tcp->data_interval_max)) | |
1118 | return -ENOBUFS; | |
1119 | ||
1120 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1121 | tcp->wake_payload_max)) | |
1122 | return -ENOBUFS; | |
1123 | ||
1124 | nla_nest_end(msg, nl_tcp); | |
1125 | return 0; | |
1126 | } | |
1127 | ||
3713b4e3 | 1128 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1129 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1130 | bool large) |
55682965 | 1131 | { |
3713b4e3 | 1132 | struct nlattr *nl_wowlan; |
55682965 | 1133 | |
1b8ec87a | 1134 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1135 | return 0; |
55682965 | 1136 | |
3713b4e3 JB |
1137 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1138 | if (!nl_wowlan) | |
1139 | return -ENOBUFS; | |
9360ffd1 | 1140 | |
1b8ec87a | 1141 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1142 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1143 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1144 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1145 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1146 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1147 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1148 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1149 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1150 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1151 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1152 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1153 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1154 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1155 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1156 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1157 | return -ENOBUFS; | |
9360ffd1 | 1158 | |
1b8ec87a | 1159 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1160 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1161 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1162 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1163 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1164 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1165 | }; |
9360ffd1 | 1166 | |
3713b4e3 JB |
1167 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1168 | sizeof(pat), &pat)) | |
1169 | return -ENOBUFS; | |
1170 | } | |
9360ffd1 | 1171 | |
75453ccb LC |
1172 | if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) && |
1173 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT, | |
1174 | rdev->wiphy.wowlan->max_nd_match_sets)) | |
1175 | return -ENOBUFS; | |
1176 | ||
1b8ec87a | 1177 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1178 | return -ENOBUFS; |
1179 | ||
3713b4e3 | 1180 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1181 | |
3713b4e3 JB |
1182 | return 0; |
1183 | } | |
1184 | #endif | |
9360ffd1 | 1185 | |
be29b99a | 1186 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1187 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1188 | { |
1189 | struct nl80211_coalesce_rule_support rule; | |
1190 | ||
1b8ec87a | 1191 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1192 | return 0; |
1193 | ||
1b8ec87a ZG |
1194 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1195 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1196 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1197 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1198 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1199 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1200 | |
1201 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1202 | return -ENOBUFS; | |
1203 | ||
1204 | return 0; | |
1205 | } | |
1206 | ||
3713b4e3 JB |
1207 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1208 | struct ieee80211_supported_band *sband) | |
1209 | { | |
1210 | struct nlattr *nl_rates, *nl_rate; | |
1211 | struct ieee80211_rate *rate; | |
1212 | int i; | |
87bbbe22 | 1213 | |
3713b4e3 JB |
1214 | /* add HT info */ |
1215 | if (sband->ht_cap.ht_supported && | |
1216 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1217 | sizeof(sband->ht_cap.mcs), | |
1218 | &sband->ht_cap.mcs) || | |
1219 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1220 | sband->ht_cap.cap) || | |
1221 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1222 | sband->ht_cap.ampdu_factor) || | |
1223 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1224 | sband->ht_cap.ampdu_density))) | |
1225 | return -ENOBUFS; | |
afe0cbf8 | 1226 | |
3713b4e3 JB |
1227 | /* add VHT info */ |
1228 | if (sband->vht_cap.vht_supported && | |
1229 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1230 | sizeof(sband->vht_cap.vht_mcs), | |
1231 | &sband->vht_cap.vht_mcs) || | |
1232 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1233 | sband->vht_cap.cap))) | |
1234 | return -ENOBUFS; | |
f59ac048 | 1235 | |
3713b4e3 JB |
1236 | /* add bitrates */ |
1237 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1238 | if (!nl_rates) | |
1239 | return -ENOBUFS; | |
ee688b00 | 1240 | |
3713b4e3 JB |
1241 | for (i = 0; i < sband->n_bitrates; i++) { |
1242 | nl_rate = nla_nest_start(msg, i); | |
1243 | if (!nl_rate) | |
1244 | return -ENOBUFS; | |
ee688b00 | 1245 | |
3713b4e3 JB |
1246 | rate = &sband->bitrates[i]; |
1247 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1248 | rate->bitrate)) | |
1249 | return -ENOBUFS; | |
1250 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1251 | nla_put_flag(msg, | |
1252 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1253 | return -ENOBUFS; | |
ee688b00 | 1254 | |
3713b4e3 JB |
1255 | nla_nest_end(msg, nl_rate); |
1256 | } | |
d51626df | 1257 | |
3713b4e3 | 1258 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1259 | |
3713b4e3 JB |
1260 | return 0; |
1261 | } | |
ee688b00 | 1262 | |
3713b4e3 JB |
1263 | static int |
1264 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1265 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1266 | { | |
1267 | u16 stypes; | |
1268 | struct nlattr *nl_ftypes, *nl_ifs; | |
1269 | enum nl80211_iftype ift; | |
1270 | int i; | |
ee688b00 | 1271 | |
3713b4e3 JB |
1272 | if (!mgmt_stypes) |
1273 | return 0; | |
5dab3b8a | 1274 | |
3713b4e3 JB |
1275 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1276 | if (!nl_ifs) | |
1277 | return -ENOBUFS; | |
e2f367f2 | 1278 | |
3713b4e3 JB |
1279 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1280 | nl_ftypes = nla_nest_start(msg, ift); | |
1281 | if (!nl_ftypes) | |
1282 | return -ENOBUFS; | |
1283 | i = 0; | |
1284 | stypes = mgmt_stypes[ift].tx; | |
1285 | while (stypes) { | |
1286 | if ((stypes & 1) && | |
1287 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1288 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1289 | return -ENOBUFS; | |
1290 | stypes >>= 1; | |
1291 | i++; | |
ee688b00 | 1292 | } |
3713b4e3 JB |
1293 | nla_nest_end(msg, nl_ftypes); |
1294 | } | |
ee688b00 | 1295 | |
3713b4e3 | 1296 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1297 | |
3713b4e3 JB |
1298 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1299 | if (!nl_ifs) | |
1300 | return -ENOBUFS; | |
ee688b00 | 1301 | |
3713b4e3 JB |
1302 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1303 | nl_ftypes = nla_nest_start(msg, ift); | |
1304 | if (!nl_ftypes) | |
1305 | return -ENOBUFS; | |
1306 | i = 0; | |
1307 | stypes = mgmt_stypes[ift].rx; | |
1308 | while (stypes) { | |
1309 | if ((stypes & 1) && | |
1310 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1311 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1312 | return -ENOBUFS; | |
1313 | stypes >>= 1; | |
1314 | i++; | |
1315 | } | |
1316 | nla_nest_end(msg, nl_ftypes); | |
1317 | } | |
1318 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1319 | |
3713b4e3 JB |
1320 | return 0; |
1321 | } | |
ee688b00 | 1322 | |
1794899e JB |
1323 | #define CMD(op, n) \ |
1324 | do { \ | |
1325 | if (rdev->ops->op) { \ | |
1326 | i++; \ | |
1327 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1328 | goto nla_put_failure; \ | |
1329 | } \ | |
1330 | } while (0) | |
1331 | ||
1332 | static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev, | |
1333 | struct sk_buff *msg) | |
1334 | { | |
1335 | int i = 0; | |
1336 | ||
1337 | /* | |
1338 | * do *NOT* add anything into this function, new things need to be | |
1339 | * advertised only to new versions of userspace that can deal with | |
1340 | * the split (and they can't possibly care about new features... | |
1341 | */ | |
1342 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1343 | CMD(change_virtual_intf, SET_INTERFACE); | |
1344 | CMD(add_key, NEW_KEY); | |
1345 | CMD(start_ap, START_AP); | |
1346 | CMD(add_station, NEW_STATION); | |
1347 | CMD(add_mpath, NEW_MPATH); | |
1348 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1349 | CMD(change_bss, SET_BSS); | |
1350 | CMD(auth, AUTHENTICATE); | |
1351 | CMD(assoc, ASSOCIATE); | |
1352 | CMD(deauth, DEAUTHENTICATE); | |
1353 | CMD(disassoc, DISASSOCIATE); | |
1354 | CMD(join_ibss, JOIN_IBSS); | |
1355 | CMD(join_mesh, JOIN_MESH); | |
1356 | CMD(set_pmksa, SET_PMKSA); | |
1357 | CMD(del_pmksa, DEL_PMKSA); | |
1358 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1359 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1360 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1361 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1362 | CMD(mgmt_tx, FRAME); | |
1363 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1364 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1365 | i++; | |
1366 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
1367 | goto nla_put_failure; | |
1368 | } | |
1369 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || | |
1370 | rdev->ops->join_mesh) { | |
1371 | i++; | |
1372 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1373 | goto nla_put_failure; | |
1374 | } | |
1375 | CMD(set_wds_peer, SET_WDS_PEER); | |
1376 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1377 | CMD(tdls_mgmt, TDLS_MGMT); | |
1378 | CMD(tdls_oper, TDLS_OPER); | |
1379 | } | |
1380 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
1381 | CMD(sched_scan_start, START_SCHED_SCAN); | |
1382 | CMD(probe_client, PROBE_CLIENT); | |
1383 | CMD(set_noack_map, SET_NOACK_MAP); | |
1384 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1385 | i++; | |
1386 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1387 | goto nla_put_failure; | |
1388 | } | |
1389 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1390 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
1391 | #ifdef CONFIG_NL80211_TESTMODE | |
1392 | CMD(testmode_cmd, TESTMODE); | |
1393 | #endif | |
1394 | ||
1395 | if (rdev->ops->connect || rdev->ops->auth) { | |
1396 | i++; | |
1397 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
1398 | goto nla_put_failure; | |
1399 | } | |
1400 | ||
1401 | if (rdev->ops->disconnect || rdev->ops->deauth) { | |
1402 | i++; | |
1403 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1404 | goto nla_put_failure; | |
1405 | } | |
1406 | ||
1407 | return i; | |
1408 | nla_put_failure: | |
1409 | return -ENOBUFS; | |
1410 | } | |
1411 | ||
86e8cf98 JB |
1412 | struct nl80211_dump_wiphy_state { |
1413 | s64 filter_wiphy; | |
1414 | long start; | |
019ae3a9 | 1415 | long split_start, band_start, chan_start, capa_start; |
86e8cf98 JB |
1416 | bool split; |
1417 | }; | |
1418 | ||
1b8ec87a | 1419 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1420 | enum nl80211_commands cmd, |
3713b4e3 | 1421 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1422 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1423 | { |
1424 | void *hdr; | |
1425 | struct nlattr *nl_bands, *nl_band; | |
1426 | struct nlattr *nl_freqs, *nl_freq; | |
1427 | struct nlattr *nl_cmds; | |
57fbcce3 | 1428 | enum nl80211_band band; |
3713b4e3 JB |
1429 | struct ieee80211_channel *chan; |
1430 | int i; | |
1431 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1432 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1433 | u32 features; |
ee688b00 | 1434 | |
3bb20556 | 1435 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1436 | if (!hdr) |
1437 | return -ENOBUFS; | |
ee688b00 | 1438 | |
86e8cf98 JB |
1439 | if (WARN_ON(!state)) |
1440 | return -EINVAL; | |
ee688b00 | 1441 | |
1b8ec87a | 1442 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1443 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1444 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1445 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1446 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1447 | goto nla_put_failure; |
1448 | ||
3bb20556 JB |
1449 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1450 | goto finish; | |
1451 | ||
86e8cf98 | 1452 | switch (state->split_start) { |
3713b4e3 JB |
1453 | case 0: |
1454 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1455 | rdev->wiphy.retry_short) || |
3713b4e3 | 1456 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1457 | rdev->wiphy.retry_long) || |
3713b4e3 | 1458 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1459 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1460 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1461 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1462 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1463 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1464 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1465 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1466 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1467 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1468 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1469 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1470 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1471 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1472 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
3b06d277 AS |
1473 | rdev->wiphy.max_match_sets) || |
1474 | nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS, | |
1475 | rdev->wiphy.max_sched_scan_plans) || | |
1476 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL, | |
1477 | rdev->wiphy.max_sched_scan_plan_interval) || | |
1478 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS, | |
1479 | rdev->wiphy.max_sched_scan_plan_iterations)) | |
9360ffd1 | 1480 | goto nla_put_failure; |
3713b4e3 | 1481 | |
1b8ec87a | 1482 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1483 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1484 | goto nla_put_failure; |
1b8ec87a | 1485 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1486 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1487 | goto nla_put_failure; | |
1b8ec87a | 1488 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1489 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1490 | goto nla_put_failure; | |
1b8ec87a | 1491 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1492 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1493 | goto nla_put_failure; | |
1b8ec87a | 1494 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1495 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1496 | goto nla_put_failure; | |
1b8ec87a | 1497 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1498 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1499 | goto nla_put_failure; |
86e8cf98 JB |
1500 | state->split_start++; |
1501 | if (state->split) | |
3713b4e3 JB |
1502 | break; |
1503 | case 1: | |
1504 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1505 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1506 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1507 | goto nla_put_failure; |
4745fc09 | 1508 | |
3713b4e3 | 1509 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1510 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1511 | goto nla_put_failure; |
b23aa676 | 1512 | |
1b8ec87a | 1513 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1514 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1515 | goto nla_put_failure; |
b23aa676 | 1516 | |
3713b4e3 | 1517 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1518 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1519 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1520 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1521 | goto nla_put_failure; |
b23aa676 | 1522 | |
1b8ec87a | 1523 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1524 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1525 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1526 | goto nla_put_failure; |
8fdc621d | 1527 | |
1b8ec87a ZG |
1528 | if ((rdev->wiphy.available_antennas_tx || |
1529 | rdev->wiphy.available_antennas_rx) && | |
1530 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1531 | u32 tx_ant = 0, rx_ant = 0; |
1532 | int res; | |
7a087e74 | 1533 | |
1b8ec87a | 1534 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1535 | if (!res) { |
1536 | if (nla_put_u32(msg, | |
1537 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1538 | tx_ant) || | |
1539 | nla_put_u32(msg, | |
1540 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1541 | rx_ant)) | |
1542 | goto nla_put_failure; | |
1543 | } | |
1544 | } | |
a293911d | 1545 | |
86e8cf98 JB |
1546 | state->split_start++; |
1547 | if (state->split) | |
3713b4e3 JB |
1548 | break; |
1549 | case 2: | |
1550 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1551 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1552 | goto nla_put_failure; |
86e8cf98 JB |
1553 | state->split_start++; |
1554 | if (state->split) | |
3713b4e3 JB |
1555 | break; |
1556 | case 3: | |
1557 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1558 | if (!nl_bands) | |
1559 | goto nla_put_failure; | |
f7ca38df | 1560 | |
86e8cf98 | 1561 | for (band = state->band_start; |
57fbcce3 | 1562 | band < NUM_NL80211_BANDS; band++) { |
3713b4e3 | 1563 | struct ieee80211_supported_band *sband; |
2e161f78 | 1564 | |
1b8ec87a | 1565 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1566 | |
3713b4e3 JB |
1567 | if (!sband) |
1568 | continue; | |
1569 | ||
1570 | nl_band = nla_nest_start(msg, band); | |
1571 | if (!nl_band) | |
2e161f78 | 1572 | goto nla_put_failure; |
3713b4e3 | 1573 | |
86e8cf98 | 1574 | switch (state->chan_start) { |
3713b4e3 JB |
1575 | case 0: |
1576 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1577 | goto nla_put_failure; |
86e8cf98 JB |
1578 | state->chan_start++; |
1579 | if (state->split) | |
3713b4e3 JB |
1580 | break; |
1581 | default: | |
1582 | /* add frequencies */ | |
1583 | nl_freqs = nla_nest_start( | |
1584 | msg, NL80211_BAND_ATTR_FREQS); | |
1585 | if (!nl_freqs) | |
1586 | goto nla_put_failure; | |
1587 | ||
86e8cf98 | 1588 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1589 | i < sband->n_channels; |
1590 | i++) { | |
1591 | nl_freq = nla_nest_start(msg, i); | |
1592 | if (!nl_freq) | |
1593 | goto nla_put_failure; | |
1594 | ||
1595 | chan = &sband->channels[i]; | |
1596 | ||
86e8cf98 JB |
1597 | if (nl80211_msg_put_channel( |
1598 | msg, chan, | |
1599 | state->split)) | |
3713b4e3 JB |
1600 | goto nla_put_failure; |
1601 | ||
1602 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1603 | if (state->split) |
3713b4e3 JB |
1604 | break; |
1605 | } | |
1606 | if (i < sband->n_channels) | |
86e8cf98 | 1607 | state->chan_start = i + 2; |
3713b4e3 | 1608 | else |
86e8cf98 | 1609 | state->chan_start = 0; |
3713b4e3 JB |
1610 | nla_nest_end(msg, nl_freqs); |
1611 | } | |
1612 | ||
1613 | nla_nest_end(msg, nl_band); | |
1614 | ||
86e8cf98 | 1615 | if (state->split) { |
3713b4e3 | 1616 | /* start again here */ |
86e8cf98 | 1617 | if (state->chan_start) |
3713b4e3 JB |
1618 | band--; |
1619 | break; | |
2e161f78 | 1620 | } |
2e161f78 | 1621 | } |
3713b4e3 | 1622 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1623 | |
57fbcce3 | 1624 | if (band < NUM_NL80211_BANDS) |
86e8cf98 | 1625 | state->band_start = band + 1; |
3713b4e3 | 1626 | else |
86e8cf98 | 1627 | state->band_start = 0; |
74b70a4e | 1628 | |
3713b4e3 | 1629 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1630 | if (state->band_start == 0 && state->chan_start == 0) |
1631 | state->split_start++; | |
1632 | if (state->split) | |
3713b4e3 JB |
1633 | break; |
1634 | case 4: | |
1635 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1636 | if (!nl_cmds) | |
2e161f78 JB |
1637 | goto nla_put_failure; |
1638 | ||
1794899e JB |
1639 | i = nl80211_add_commands_unsplit(rdev, msg); |
1640 | if (i < 0) | |
1641 | goto nla_put_failure; | |
86e8cf98 | 1642 | if (state->split) { |
5de17984 AS |
1643 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1644 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1645 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1646 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1647 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
1648 | if (rdev->wiphy.features & |
1649 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 1650 | CMD(add_tx_ts, ADD_TX_TS); |
ce0ce13a | 1651 | CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST); |
088e8df8 | 1652 | CMD(update_connect_params, UPDATE_CONNECT_PARAMS); |
5de17984 | 1653 | } |
3713b4e3 | 1654 | #undef CMD |
ff1b6e69 | 1655 | |
3713b4e3 | 1656 | nla_nest_end(msg, nl_cmds); |
86e8cf98 JB |
1657 | state->split_start++; |
1658 | if (state->split) | |
3713b4e3 JB |
1659 | break; |
1660 | case 5: | |
1b8ec87a ZG |
1661 | if (rdev->ops->remain_on_channel && |
1662 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1663 | nla_put_u32(msg, |
1664 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1665 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1666 | goto nla_put_failure; |
1667 | ||
1b8ec87a | 1668 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1669 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1670 | goto nla_put_failure; | |
1671 | ||
1672 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1673 | goto nla_put_failure; | |
86e8cf98 JB |
1674 | state->split_start++; |
1675 | if (state->split) | |
3713b4e3 JB |
1676 | break; |
1677 | case 6: | |
1678 | #ifdef CONFIG_PM | |
1b8ec87a | 1679 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1680 | goto nla_put_failure; |
86e8cf98 JB |
1681 | state->split_start++; |
1682 | if (state->split) | |
3713b4e3 JB |
1683 | break; |
1684 | #else | |
86e8cf98 | 1685 | state->split_start++; |
dfb89c56 | 1686 | #endif |
3713b4e3 JB |
1687 | case 7: |
1688 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1689 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1690 | goto nla_put_failure; |
ff1b6e69 | 1691 | |
1b8ec87a | 1692 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1693 | state->split)) |
3713b4e3 | 1694 | goto nla_put_failure; |
7527a782 | 1695 | |
86e8cf98 JB |
1696 | state->split_start++; |
1697 | if (state->split) | |
3713b4e3 JB |
1698 | break; |
1699 | case 8: | |
1b8ec87a | 1700 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1701 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1702 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1703 | goto nla_put_failure; |
7527a782 | 1704 | |
1b8ec87a | 1705 | features = rdev->wiphy.features; |
fe1abafd JB |
1706 | /* |
1707 | * We can only add the per-channel limit information if the | |
1708 | * dump is split, otherwise it makes it too big. Therefore | |
1709 | * only advertise it in that case. | |
1710 | */ | |
86e8cf98 | 1711 | if (state->split) |
fe1abafd JB |
1712 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1713 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1714 | goto nla_put_failure; |
562a7480 | 1715 | |
1b8ec87a | 1716 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1717 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1718 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1719 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1720 | goto nla_put_failure; |
1f074bd8 | 1721 | |
1b8ec87a ZG |
1722 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1723 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1724 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1725 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1726 | goto nla_put_failure; |
7e7c8926 | 1727 | |
3713b4e3 JB |
1728 | /* |
1729 | * Any information below this point is only available to | |
1730 | * applications that can deal with it being split. This | |
1731 | * helps ensure that newly added capabilities don't break | |
1732 | * older tools by overrunning their buffers. | |
1733 | * | |
1734 | * We still increment split_start so that in the split | |
1735 | * case we'll continue with more data in the next round, | |
1736 | * but break unconditionally so unsplit data stops here. | |
1737 | */ | |
86e8cf98 | 1738 | state->split_start++; |
3713b4e3 JB |
1739 | break; |
1740 | case 9: | |
1b8ec87a | 1741 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1742 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1743 | rdev->wiphy.extended_capabilities_len, |
1744 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1745 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1746 | rdev->wiphy.extended_capabilities_len, |
1747 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1748 | goto nla_put_failure; |
a50df0c4 | 1749 | |
1b8ec87a | 1750 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1751 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1752 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1753 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1754 | goto nla_put_failure; |
1755 | ||
be29b99a AK |
1756 | state->split_start++; |
1757 | break; | |
1758 | case 10: | |
1b8ec87a | 1759 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1760 | goto nla_put_failure; |
1761 | ||
1b8ec87a | 1762 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1763 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1764 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1765 | goto nla_put_failure; | |
b43504cf | 1766 | |
1b8ec87a | 1767 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1768 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1769 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1770 | goto nla_put_failure; |
1771 | ||
ad7e718c JB |
1772 | state->split_start++; |
1773 | break; | |
1774 | case 11: | |
1b8ec87a | 1775 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1776 | const struct nl80211_vendor_cmd_info *info; |
1777 | struct nlattr *nested; | |
1778 | ||
1779 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1780 | if (!nested) | |
1781 | goto nla_put_failure; | |
1782 | ||
1b8ec87a ZG |
1783 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1784 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1785 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1786 | goto nla_put_failure; | |
1787 | } | |
1788 | nla_nest_end(msg, nested); | |
1789 | } | |
1790 | ||
1b8ec87a | 1791 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1792 | const struct nl80211_vendor_cmd_info *info; |
1793 | struct nlattr *nested; | |
ad7e718c | 1794 | |
567ffc35 JB |
1795 | nested = nla_nest_start(msg, |
1796 | NL80211_ATTR_VENDOR_EVENTS); | |
1797 | if (!nested) | |
ad7e718c | 1798 | goto nla_put_failure; |
567ffc35 | 1799 | |
1b8ec87a ZG |
1800 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1801 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1802 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1803 | goto nla_put_failure; | |
1804 | } | |
1805 | nla_nest_end(msg, nested); | |
1806 | } | |
9a774c78 AO |
1807 | state->split_start++; |
1808 | break; | |
1809 | case 12: | |
1810 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1811 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1812 | rdev->wiphy.max_num_csa_counters)) | |
1813 | goto nla_put_failure; | |
01e0daa4 | 1814 | |
1bdd716c AN |
1815 | if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
1816 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
1817 | goto nla_put_failure; | |
1818 | ||
d75bb06b GKS |
1819 | if (nla_put(msg, NL80211_ATTR_EXT_FEATURES, |
1820 | sizeof(rdev->wiphy.ext_features), | |
1821 | rdev->wiphy.ext_features)) | |
1822 | goto nla_put_failure; | |
1823 | ||
38de03d2 AS |
1824 | if (rdev->wiphy.bss_select_support) { |
1825 | struct nlattr *nested; | |
1826 | u32 bss_select_support = rdev->wiphy.bss_select_support; | |
1827 | ||
1828 | nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT); | |
1829 | if (!nested) | |
1830 | goto nla_put_failure; | |
1831 | ||
1832 | i = 0; | |
1833 | while (bss_select_support) { | |
1834 | if ((bss_select_support & 1) && | |
1835 | nla_put_flag(msg, i)) | |
1836 | goto nla_put_failure; | |
1837 | i++; | |
1838 | bss_select_support >>= 1; | |
1839 | } | |
1840 | nla_nest_end(msg, nested); | |
1841 | } | |
1842 | ||
019ae3a9 KV |
1843 | state->split_start++; |
1844 | break; | |
1845 | case 13: | |
1846 | if (rdev->wiphy.num_iftype_ext_capab && | |
1847 | rdev->wiphy.iftype_ext_capab) { | |
1848 | struct nlattr *nested_ext_capab, *nested; | |
1849 | ||
1850 | nested = nla_nest_start(msg, | |
1851 | NL80211_ATTR_IFTYPE_EXT_CAPA); | |
1852 | if (!nested) | |
1853 | goto nla_put_failure; | |
1854 | ||
1855 | for (i = state->capa_start; | |
1856 | i < rdev->wiphy.num_iftype_ext_capab; i++) { | |
1857 | const struct wiphy_iftype_ext_capab *capab; | |
1858 | ||
1859 | capab = &rdev->wiphy.iftype_ext_capab[i]; | |
1860 | ||
1861 | nested_ext_capab = nla_nest_start(msg, i); | |
1862 | if (!nested_ext_capab || | |
1863 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, | |
1864 | capab->iftype) || | |
1865 | nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1866 | capab->extended_capabilities_len, | |
1867 | capab->extended_capabilities) || | |
1868 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1869 | capab->extended_capabilities_len, | |
1870 | capab->extended_capabilities_mask)) | |
1871 | goto nla_put_failure; | |
1872 | ||
1873 | nla_nest_end(msg, nested_ext_capab); | |
1874 | if (state->split) | |
1875 | break; | |
1876 | } | |
1877 | nla_nest_end(msg, nested); | |
1878 | if (i < rdev->wiphy.num_iftype_ext_capab) { | |
1879 | state->capa_start = i + 1; | |
1880 | break; | |
1881 | } | |
1882 | } | |
1883 | ||
3713b4e3 | 1884 | /* done */ |
86e8cf98 | 1885 | state->split_start = 0; |
3713b4e3 JB |
1886 | break; |
1887 | } | |
3bb20556 | 1888 | finish: |
053c095a JB |
1889 | genlmsg_end(msg, hdr); |
1890 | return 0; | |
55682965 JB |
1891 | |
1892 | nla_put_failure: | |
bc3ed28c TG |
1893 | genlmsg_cancel(msg, hdr); |
1894 | return -EMSGSIZE; | |
55682965 JB |
1895 | } |
1896 | ||
86e8cf98 JB |
1897 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1898 | struct netlink_callback *cb, | |
1899 | struct nl80211_dump_wiphy_state *state) | |
1900 | { | |
c90c39da | 1901 | struct nlattr **tb = genl_family_attrbuf(&nl80211_fam); |
86e8cf98 JB |
1902 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
1903 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1904 | /* ignore parse errors for backward compatibility */ | |
1905 | if (ret) | |
1906 | return 0; | |
1907 | ||
1908 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1909 | if (tb[NL80211_ATTR_WIPHY]) | |
1910 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1911 | if (tb[NL80211_ATTR_WDEV]) | |
1912 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1913 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1914 | struct net_device *netdev; | |
1915 | struct cfg80211_registered_device *rdev; | |
1916 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1917 | ||
7f2b8562 | 1918 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1919 | if (!netdev) |
1920 | return -ENODEV; | |
1921 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1922 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1923 | netdev->ieee80211_ptr->wiphy); |
1924 | state->filter_wiphy = rdev->wiphy_idx; | |
1925 | } | |
86e8cf98 JB |
1926 | } |
1927 | ||
1928 | return 0; | |
1929 | } | |
1930 | ||
55682965 JB |
1931 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1932 | { | |
645e77de | 1933 | int idx = 0, ret; |
86e8cf98 | 1934 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1935 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1936 | |
5fe231e8 | 1937 | rtnl_lock(); |
86e8cf98 JB |
1938 | if (!state) { |
1939 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1940 | if (!state) { |
1941 | rtnl_unlock(); | |
86e8cf98 | 1942 | return -ENOMEM; |
3713b4e3 | 1943 | } |
86e8cf98 JB |
1944 | state->filter_wiphy = -1; |
1945 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1946 | if (ret) { | |
1947 | kfree(state); | |
1948 | rtnl_unlock(); | |
1949 | return ret; | |
3713b4e3 | 1950 | } |
86e8cf98 | 1951 | cb->args[0] = (long)state; |
3713b4e3 JB |
1952 | } |
1953 | ||
1b8ec87a ZG |
1954 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1955 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1956 | continue; |
86e8cf98 | 1957 | if (++idx <= state->start) |
55682965 | 1958 | continue; |
86e8cf98 | 1959 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1960 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1961 | continue; |
1962 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1963 | do { | |
3bb20556 JB |
1964 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1965 | skb, | |
3713b4e3 JB |
1966 | NETLINK_CB(cb->skb).portid, |
1967 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1968 | NLM_F_MULTI, state); |
3713b4e3 JB |
1969 | if (ret < 0) { |
1970 | /* | |
1971 | * If sending the wiphy data didn't fit (ENOBUFS | |
1972 | * or EMSGSIZE returned), this SKB is still | |
1973 | * empty (so it's not too big because another | |
1974 | * wiphy dataset is already in the skb) and | |
1975 | * we've not tried to adjust the dump allocation | |
1976 | * yet ... then adjust the alloc size to be | |
1977 | * bigger, and return 1 but with the empty skb. | |
1978 | * This results in an empty message being RX'ed | |
1979 | * in userspace, but that is ignored. | |
1980 | * | |
1981 | * We can then retry with the larger buffer. | |
1982 | */ | |
1983 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1984 | !skb->len && !state->split && |
3713b4e3 JB |
1985 | cb->min_dump_alloc < 4096) { |
1986 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1987 | state->split_start = 0; |
d98cae64 | 1988 | rtnl_unlock(); |
3713b4e3 JB |
1989 | return 1; |
1990 | } | |
1991 | idx--; | |
1992 | break; | |
645e77de | 1993 | } |
86e8cf98 | 1994 | } while (state->split_start > 0); |
3713b4e3 | 1995 | break; |
55682965 | 1996 | } |
5fe231e8 | 1997 | rtnl_unlock(); |
55682965 | 1998 | |
86e8cf98 | 1999 | state->start = idx; |
55682965 JB |
2000 | |
2001 | return skb->len; | |
2002 | } | |
2003 | ||
86e8cf98 JB |
2004 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
2005 | { | |
2006 | kfree((void *)cb->args[0]); | |
2007 | return 0; | |
2008 | } | |
2009 | ||
55682965 JB |
2010 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
2011 | { | |
2012 | struct sk_buff *msg; | |
1b8ec87a | 2013 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 2014 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 2015 | |
645e77de | 2016 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 2017 | if (!msg) |
4c476991 | 2018 | return -ENOMEM; |
55682965 | 2019 | |
3bb20556 JB |
2020 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
2021 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 2022 | &state) < 0) { |
4c476991 JB |
2023 | nlmsg_free(msg); |
2024 | return -ENOBUFS; | |
2025 | } | |
55682965 | 2026 | |
134e6375 | 2027 | return genlmsg_reply(msg, info); |
55682965 JB |
2028 | } |
2029 | ||
31888487 JM |
2030 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
2031 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
2032 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
2033 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
2034 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
2035 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
2036 | }; | |
2037 | ||
2038 | static int parse_txq_params(struct nlattr *tb[], | |
2039 | struct ieee80211_txq_params *txq_params) | |
2040 | { | |
a3304b0a | 2041 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
2042 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
2043 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
2044 | return -EINVAL; | |
2045 | ||
a3304b0a | 2046 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
2047 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
2048 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
2049 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
2050 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
2051 | ||
a3304b0a JB |
2052 | if (txq_params->ac >= NL80211_NUM_ACS) |
2053 | return -EINVAL; | |
2054 | ||
31888487 JM |
2055 | return 0; |
2056 | } | |
2057 | ||
f444de05 JB |
2058 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
2059 | { | |
2060 | /* | |
cc1d2806 JB |
2061 | * You can only set the channel explicitly for WDS interfaces, |
2062 | * all others have their channel managed via their respective | |
2063 | * "establish a connection" command (connect, join, ...) | |
2064 | * | |
2065 | * For AP/GO and mesh mode, the channel can be set with the | |
2066 | * channel userspace API, but is only stored and passed to the | |
2067 | * low-level driver when the AP starts or the mesh is joined. | |
2068 | * This is for backward compatibility, userspace can also give | |
2069 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
2070 | * |
2071 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
2072 | * whatever else is going on, so they have their own special |
2073 | * operation to set the monitor channel if possible. | |
f444de05 JB |
2074 | */ |
2075 | return !wdev || | |
2076 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 2077 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
2078 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
2079 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
2080 | } |
2081 | ||
683b6d3b JB |
2082 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
2083 | struct genl_info *info, | |
2084 | struct cfg80211_chan_def *chandef) | |
2085 | { | |
dbeca2ea | 2086 | u32 control_freq; |
683b6d3b JB |
2087 | |
2088 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
2089 | return -EINVAL; | |
2090 | ||
2091 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
2092 | ||
2093 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
2094 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
2095 | chandef->center_freq1 = control_freq; | |
2096 | chandef->center_freq2 = 0; | |
683b6d3b JB |
2097 | |
2098 | /* Primary channel not allowed */ | |
2099 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
2100 | return -EINVAL; | |
2101 | ||
3d9d1d66 JB |
2102 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
2103 | enum nl80211_channel_type chantype; | |
2104 | ||
2105 | chantype = nla_get_u32( | |
2106 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
2107 | ||
2108 | switch (chantype) { | |
2109 | case NL80211_CHAN_NO_HT: | |
2110 | case NL80211_CHAN_HT20: | |
2111 | case NL80211_CHAN_HT40PLUS: | |
2112 | case NL80211_CHAN_HT40MINUS: | |
2113 | cfg80211_chandef_create(chandef, chandef->chan, | |
2114 | chantype); | |
2115 | break; | |
2116 | default: | |
2117 | return -EINVAL; | |
2118 | } | |
2119 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
2120 | chandef->width = | |
2121 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
2122 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
2123 | chandef->center_freq1 = | |
2124 | nla_get_u32( | |
2125 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
2126 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
2127 | chandef->center_freq2 = | |
2128 | nla_get_u32( | |
2129 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
2130 | } | |
2131 | ||
9f5e8f6e | 2132 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
2133 | return -EINVAL; |
2134 | ||
9f5e8f6e JB |
2135 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
2136 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
2137 | return -EINVAL; |
2138 | ||
2f301ab2 SW |
2139 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
2140 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
2141 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
2142 | return -EINVAL; | |
2143 | ||
683b6d3b JB |
2144 | return 0; |
2145 | } | |
2146 | ||
f444de05 | 2147 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 2148 | struct net_device *dev, |
f444de05 JB |
2149 | struct genl_info *info) |
2150 | { | |
683b6d3b | 2151 | struct cfg80211_chan_def chandef; |
f444de05 | 2152 | int result; |
e8c9bd5b | 2153 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 2154 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 2155 | |
e16821bc JM |
2156 | if (dev) |
2157 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
2158 | if (!nl80211_can_set_dev_channel(wdev)) |
2159 | return -EOPNOTSUPP; | |
e16821bc JM |
2160 | if (wdev) |
2161 | iftype = wdev->iftype; | |
f444de05 | 2162 | |
683b6d3b JB |
2163 | result = nl80211_parse_chandef(rdev, info, &chandef); |
2164 | if (result) | |
2165 | return result; | |
f444de05 | 2166 | |
e8c9bd5b | 2167 | switch (iftype) { |
aa430da4 JB |
2168 | case NL80211_IFTYPE_AP: |
2169 | case NL80211_IFTYPE_P2P_GO: | |
923b352f AN |
2170 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
2171 | iftype)) { | |
aa430da4 JB |
2172 | result = -EINVAL; |
2173 | break; | |
2174 | } | |
e16821bc JM |
2175 | if (wdev->beacon_interval) { |
2176 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
2177 | !(rdev->wiphy.features & | |
2178 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
2179 | result = -EBUSY; | |
2180 | break; | |
2181 | } | |
2182 | ||
2183 | /* Only allow dynamic channel width changes */ | |
2184 | if (chandef.chan != wdev->preset_chandef.chan) { | |
2185 | result = -EBUSY; | |
2186 | break; | |
2187 | } | |
2188 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
2189 | if (result) | |
2190 | break; | |
2191 | } | |
683b6d3b | 2192 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2193 | result = 0; |
2194 | break; | |
cc1d2806 | 2195 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2196 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2197 | break; |
e8c9bd5b | 2198 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2199 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2200 | break; |
aa430da4 | 2201 | default: |
e8c9bd5b | 2202 | result = -EINVAL; |
f444de05 | 2203 | } |
f444de05 JB |
2204 | |
2205 | return result; | |
2206 | } | |
2207 | ||
2208 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2209 | { | |
4c476991 JB |
2210 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2211 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2212 | |
e16821bc | 2213 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2214 | } |
2215 | ||
e8347eba BJ |
2216 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2217 | { | |
43b19952 JB |
2218 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2219 | struct net_device *dev = info->user_ptr[1]; | |
2220 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2221 | const u8 *bssid; |
e8347eba BJ |
2222 | |
2223 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2224 | return -EINVAL; | |
2225 | ||
43b19952 JB |
2226 | if (netif_running(dev)) |
2227 | return -EBUSY; | |
e8347eba | 2228 | |
43b19952 JB |
2229 | if (!rdev->ops->set_wds_peer) |
2230 | return -EOPNOTSUPP; | |
e8347eba | 2231 | |
43b19952 JB |
2232 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2233 | return -EOPNOTSUPP; | |
e8347eba BJ |
2234 | |
2235 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2236 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2237 | } |
2238 | ||
55682965 JB |
2239 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2240 | { | |
2241 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2242 | struct net_device *netdev = NULL; |
2243 | struct wireless_dev *wdev; | |
a1e567c8 | 2244 | int result = 0, rem_txq_params = 0; |
31888487 | 2245 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2246 | u32 changed; |
2247 | u8 retry_short = 0, retry_long = 0; | |
2248 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2249 | u8 coverage_class = 0; |
55682965 | 2250 | |
5fe231e8 JB |
2251 | ASSERT_RTNL(); |
2252 | ||
f444de05 JB |
2253 | /* |
2254 | * Try to find the wiphy and netdev. Normally this | |
2255 | * function shouldn't need the netdev, but this is | |
2256 | * done for backward compatibility -- previously | |
2257 | * setting the channel was done per wiphy, but now | |
2258 | * it is per netdev. Previous userland like hostapd | |
2259 | * also passed a netdev to set_wiphy, so that it is | |
2260 | * possible to let that go to the right netdev! | |
2261 | */ | |
4bbf4d56 | 2262 | |
f444de05 JB |
2263 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2264 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2265 | ||
7f2b8562 | 2266 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2267 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2268 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2269 | else |
f444de05 | 2270 | netdev = NULL; |
4bbf4d56 JB |
2271 | } |
2272 | ||
f444de05 | 2273 | if (!netdev) { |
878d9ec7 JB |
2274 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2275 | info->attrs); | |
5fe231e8 | 2276 | if (IS_ERR(rdev)) |
4c476991 | 2277 | return PTR_ERR(rdev); |
f444de05 JB |
2278 | wdev = NULL; |
2279 | netdev = NULL; | |
2280 | result = 0; | |
71fe96bf | 2281 | } else |
f444de05 | 2282 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2283 | |
2284 | /* | |
2285 | * end workaround code, by now the rdev is available | |
2286 | * and locked, and wdev may or may not be NULL. | |
2287 | */ | |
4bbf4d56 JB |
2288 | |
2289 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2290 | result = cfg80211_dev_rename( |
2291 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2292 | |
4bbf4d56 | 2293 | if (result) |
7f2b8562 | 2294 | return result; |
31888487 JM |
2295 | |
2296 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2297 | struct ieee80211_txq_params txq_params; | |
2298 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2299 | ||
7f2b8562 YX |
2300 | if (!rdev->ops->set_txq_params) |
2301 | return -EOPNOTSUPP; | |
31888487 | 2302 | |
7f2b8562 YX |
2303 | if (!netdev) |
2304 | return -EINVAL; | |
f70f01c2 | 2305 | |
133a3ff2 | 2306 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2307 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2308 | return -EINVAL; | |
133a3ff2 | 2309 | |
7f2b8562 YX |
2310 | if (!netif_running(netdev)) |
2311 | return -ENETDOWN; | |
2b5f8b0b | 2312 | |
31888487 JM |
2313 | nla_for_each_nested(nl_txq_params, |
2314 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2315 | rem_txq_params) { | |
bfe2c7b1 JB |
2316 | result = nla_parse_nested(tb, NL80211_TXQ_ATTR_MAX, |
2317 | nl_txq_params, | |
2318 | txq_params_policy); | |
ae811e21 JB |
2319 | if (result) |
2320 | return result; | |
31888487 JM |
2321 | result = parse_txq_params(tb, &txq_params); |
2322 | if (result) | |
7f2b8562 | 2323 | return result; |
31888487 | 2324 | |
e35e4d28 HG |
2325 | result = rdev_set_txq_params(rdev, netdev, |
2326 | &txq_params); | |
31888487 | 2327 | if (result) |
7f2b8562 | 2328 | return result; |
31888487 JM |
2329 | } |
2330 | } | |
55682965 | 2331 | |
72bdcf34 | 2332 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2333 | result = __nl80211_set_channel( |
2334 | rdev, | |
2335 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2336 | info); | |
72bdcf34 | 2337 | if (result) |
7f2b8562 | 2338 | return result; |
72bdcf34 JM |
2339 | } |
2340 | ||
98d2ff8b | 2341 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2342 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2343 | enum nl80211_tx_power_setting type; |
2344 | int idx, mbm = 0; | |
2345 | ||
c8442118 JB |
2346 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2347 | txp_wdev = NULL; | |
2348 | ||
7f2b8562 YX |
2349 | if (!rdev->ops->set_tx_power) |
2350 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2351 | |
2352 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2353 | type = nla_get_u32(info->attrs[idx]); | |
2354 | ||
2355 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2356 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2357 | return -EINVAL; | |
98d2ff8b JO |
2358 | |
2359 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2360 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2361 | mbm = nla_get_u32(info->attrs[idx]); | |
2362 | } | |
2363 | ||
c8442118 | 2364 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2365 | if (result) |
7f2b8562 | 2366 | return result; |
98d2ff8b JO |
2367 | } |
2368 | ||
afe0cbf8 BR |
2369 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2370 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2371 | u32 tx_ant, rx_ant; | |
7a087e74 | 2372 | |
7f531e03 BR |
2373 | if ((!rdev->wiphy.available_antennas_tx && |
2374 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2375 | !rdev->ops->set_antenna) |
2376 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2377 | |
2378 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2379 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2380 | ||
a7ffac95 | 2381 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2382 | * available antenna masks, except for the "all" mask */ |
2383 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2384 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2385 | return -EINVAL; | |
a7ffac95 | 2386 | |
7f531e03 BR |
2387 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2388 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2389 | |
e35e4d28 | 2390 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2391 | if (result) |
7f2b8562 | 2392 | return result; |
afe0cbf8 BR |
2393 | } |
2394 | ||
b9a5f8ca JM |
2395 | changed = 0; |
2396 | ||
2397 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2398 | retry_short = nla_get_u8( | |
2399 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2400 | if (retry_short == 0) |
2401 | return -EINVAL; | |
2402 | ||
b9a5f8ca JM |
2403 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2404 | } | |
2405 | ||
2406 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2407 | retry_long = nla_get_u8( | |
2408 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2409 | if (retry_long == 0) |
2410 | return -EINVAL; | |
2411 | ||
b9a5f8ca JM |
2412 | changed |= WIPHY_PARAM_RETRY_LONG; |
2413 | } | |
2414 | ||
2415 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2416 | frag_threshold = nla_get_u32( | |
2417 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2418 | if (frag_threshold < 256) |
2419 | return -EINVAL; | |
2420 | ||
b9a5f8ca JM |
2421 | if (frag_threshold != (u32) -1) { |
2422 | /* | |
2423 | * Fragments (apart from the last one) are required to | |
2424 | * have even length. Make the fragmentation code | |
2425 | * simpler by stripping LSB should someone try to use | |
2426 | * odd threshold value. | |
2427 | */ | |
2428 | frag_threshold &= ~0x1; | |
2429 | } | |
2430 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2431 | } | |
2432 | ||
2433 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2434 | rts_threshold = nla_get_u32( | |
2435 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2436 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2437 | } | |
2438 | ||
81077e82 | 2439 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2440 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2441 | return -EINVAL; | |
2442 | ||
81077e82 LT |
2443 | coverage_class = nla_get_u8( |
2444 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2445 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2446 | } | |
2447 | ||
3057dbfd LB |
2448 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
2449 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2450 | return -EOPNOTSUPP; | |
2451 | ||
2452 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2453 | } |
2454 | ||
b9a5f8ca JM |
2455 | if (changed) { |
2456 | u8 old_retry_short, old_retry_long; | |
2457 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2458 | u8 old_coverage_class; |
b9a5f8ca | 2459 | |
7f2b8562 YX |
2460 | if (!rdev->ops->set_wiphy_params) |
2461 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2462 | |
2463 | old_retry_short = rdev->wiphy.retry_short; | |
2464 | old_retry_long = rdev->wiphy.retry_long; | |
2465 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2466 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2467 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2468 | |
2469 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2470 | rdev->wiphy.retry_short = retry_short; | |
2471 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2472 | rdev->wiphy.retry_long = retry_long; | |
2473 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2474 | rdev->wiphy.frag_threshold = frag_threshold; | |
2475 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2476 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2477 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2478 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2479 | |
e35e4d28 | 2480 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2481 | if (result) { |
2482 | rdev->wiphy.retry_short = old_retry_short; | |
2483 | rdev->wiphy.retry_long = old_retry_long; | |
2484 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2485 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2486 | rdev->wiphy.coverage_class = old_coverage_class; |
9189ee31 | 2487 | return result; |
b9a5f8ca JM |
2488 | } |
2489 | } | |
7f2b8562 | 2490 | return 0; |
55682965 JB |
2491 | } |
2492 | ||
71bbc994 JB |
2493 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2494 | { | |
2495 | return (u64)wdev->identifier | | |
f26cbf40 | 2496 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2497 | } |
55682965 | 2498 | |
683b6d3b | 2499 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2500 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2501 | { |
601555cd JB |
2502 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
2503 | return -EINVAL; | |
3d9d1d66 | 2504 | |
683b6d3b JB |
2505 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2506 | chandef->chan->center_freq)) | |
2507 | return -ENOBUFS; | |
3d9d1d66 JB |
2508 | switch (chandef->width) { |
2509 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2510 | case NL80211_CHAN_WIDTH_20: | |
2511 | case NL80211_CHAN_WIDTH_40: | |
2512 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2513 | cfg80211_get_chandef_type(chandef))) | |
2514 | return -ENOBUFS; | |
2515 | break; | |
2516 | default: | |
2517 | break; | |
2518 | } | |
2519 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2520 | return -ENOBUFS; | |
2521 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2522 | return -ENOBUFS; | |
2523 | if (chandef->center_freq2 && | |
2524 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2525 | return -ENOBUFS; |
2526 | return 0; | |
2527 | } | |
2528 | ||
15e47304 | 2529 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2530 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2531 | struct wireless_dev *wdev, bool removal) |
55682965 | 2532 | { |
72fb2abc | 2533 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2534 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2535 | void *hdr; |
2536 | ||
8f894be2 TB |
2537 | if (removal) |
2538 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2539 | ||
2540 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2541 | if (!hdr) |
2542 | return -1; | |
2543 | ||
72fb2abc JB |
2544 | if (dev && |
2545 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2546 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2547 | goto nla_put_failure; |
2548 | ||
2549 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2550 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
2dad624e ND |
2551 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
2552 | NL80211_ATTR_PAD) || | |
98104fde | 2553 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2554 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2555 | rdev->devlist_generation ^ | |
2556 | (cfg80211_rdev_list_generation << 2))) | |
2557 | goto nla_put_failure; | |
f5ea9120 | 2558 | |
5b7ccaf3 | 2559 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2560 | int ret; |
2561 | struct cfg80211_chan_def chandef; | |
2562 | ||
2563 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2564 | if (ret == 0) { | |
2565 | if (nl80211_send_chandef(msg, &chandef)) | |
2566 | goto nla_put_failure; | |
2567 | } | |
d91df0e3 PF |
2568 | } |
2569 | ||
d55d0d59 RM |
2570 | if (rdev->ops->get_tx_power) { |
2571 | int dbm, ret; | |
2572 | ||
2573 | ret = rdev_get_tx_power(rdev, wdev, &dbm); | |
2574 | if (ret == 0 && | |
2575 | nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, | |
2576 | DBM_TO_MBM(dbm))) | |
2577 | goto nla_put_failure; | |
2578 | } | |
2579 | ||
b84e7a05 AQ |
2580 | if (wdev->ssid_len) { |
2581 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2582 | goto nla_put_failure; | |
2583 | } | |
2584 | ||
053c095a JB |
2585 | genlmsg_end(msg, hdr); |
2586 | return 0; | |
55682965 JB |
2587 | |
2588 | nla_put_failure: | |
bc3ed28c TG |
2589 | genlmsg_cancel(msg, hdr); |
2590 | return -EMSGSIZE; | |
55682965 JB |
2591 | } |
2592 | ||
2593 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2594 | { | |
2595 | int wp_idx = 0; | |
2596 | int if_idx = 0; | |
2597 | int wp_start = cb->args[0]; | |
2598 | int if_start = cb->args[1]; | |
b7fb44da | 2599 | int filter_wiphy = -1; |
f5ea9120 | 2600 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2601 | struct wireless_dev *wdev; |
2602 | ||
5fe231e8 | 2603 | rtnl_lock(); |
b7fb44da DK |
2604 | if (!cb->args[2]) { |
2605 | struct nl80211_dump_wiphy_state state = { | |
2606 | .filter_wiphy = -1, | |
2607 | }; | |
2608 | int ret; | |
2609 | ||
2610 | ret = nl80211_dump_wiphy_parse(skb, cb, &state); | |
2611 | if (ret) | |
2612 | return ret; | |
2613 | ||
2614 | filter_wiphy = state.filter_wiphy; | |
2615 | ||
2616 | /* | |
2617 | * if filtering, set cb->args[2] to +1 since 0 is the default | |
2618 | * value needed to determine that parsing is necessary. | |
2619 | */ | |
2620 | if (filter_wiphy >= 0) | |
2621 | cb->args[2] = filter_wiphy + 1; | |
2622 | else | |
2623 | cb->args[2] = -1; | |
2624 | } else if (cb->args[2] > 0) { | |
2625 | filter_wiphy = cb->args[2] - 1; | |
2626 | } | |
2627 | ||
f5ea9120 JB |
2628 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2629 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2630 | continue; |
bba95fef JB |
2631 | if (wp_idx < wp_start) { |
2632 | wp_idx++; | |
55682965 | 2633 | continue; |
bba95fef | 2634 | } |
b7fb44da DK |
2635 | |
2636 | if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx) | |
2637 | continue; | |
2638 | ||
55682965 JB |
2639 | if_idx = 0; |
2640 | ||
53873f13 | 2641 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
bba95fef JB |
2642 | if (if_idx < if_start) { |
2643 | if_idx++; | |
55682965 | 2644 | continue; |
bba95fef | 2645 | } |
15e47304 | 2646 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2647 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2648 | rdev, wdev, false) < 0) { |
bba95fef JB |
2649 | goto out; |
2650 | } | |
2651 | if_idx++; | |
55682965 | 2652 | } |
bba95fef JB |
2653 | |
2654 | wp_idx++; | |
55682965 | 2655 | } |
bba95fef | 2656 | out: |
5fe231e8 | 2657 | rtnl_unlock(); |
55682965 JB |
2658 | |
2659 | cb->args[0] = wp_idx; | |
2660 | cb->args[1] = if_idx; | |
2661 | ||
2662 | return skb->len; | |
2663 | } | |
2664 | ||
2665 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2666 | { | |
2667 | struct sk_buff *msg; | |
1b8ec87a | 2668 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2669 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2670 | |
fd2120ca | 2671 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2672 | if (!msg) |
4c476991 | 2673 | return -ENOMEM; |
55682965 | 2674 | |
15e47304 | 2675 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2676 | rdev, wdev, false) < 0) { |
4c476991 JB |
2677 | nlmsg_free(msg); |
2678 | return -ENOBUFS; | |
2679 | } | |
55682965 | 2680 | |
134e6375 | 2681 | return genlmsg_reply(msg, info); |
55682965 JB |
2682 | } |
2683 | ||
66f7ac50 MW |
2684 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2685 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2686 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2687 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2688 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2689 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2690 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2691 | }; |
2692 | ||
2693 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2694 | { | |
2695 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2696 | int flag; | |
2697 | ||
2698 | *mntrflags = 0; | |
2699 | ||
2700 | if (!nla) | |
2701 | return -EINVAL; | |
2702 | ||
2703 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2704 | nla, mntr_flags_policy)) | |
2705 | return -EINVAL; | |
2706 | ||
2707 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2708 | if (flags[flag]) | |
2709 | *mntrflags |= (1<<flag); | |
2710 | ||
2711 | return 0; | |
2712 | } | |
2713 | ||
9bc383de | 2714 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2715 | struct net_device *netdev, u8 use_4addr, |
2716 | enum nl80211_iftype iftype) | |
9bc383de | 2717 | { |
ad4bb6f8 | 2718 | if (!use_4addr) { |
f350a0a8 | 2719 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2720 | return -EBUSY; |
9bc383de | 2721 | return 0; |
ad4bb6f8 | 2722 | } |
9bc383de JB |
2723 | |
2724 | switch (iftype) { | |
2725 | case NL80211_IFTYPE_AP_VLAN: | |
2726 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2727 | return 0; | |
2728 | break; | |
2729 | case NL80211_IFTYPE_STATION: | |
2730 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2731 | return 0; | |
2732 | break; | |
2733 | default: | |
2734 | break; | |
2735 | } | |
2736 | ||
2737 | return -EOPNOTSUPP; | |
2738 | } | |
2739 | ||
55682965 JB |
2740 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2741 | { | |
4c476991 | 2742 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2743 | struct vif_params params; |
e36d56b6 | 2744 | int err; |
04a773ad | 2745 | enum nl80211_iftype otype, ntype; |
4c476991 | 2746 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2747 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2748 | bool change = false; |
55682965 | 2749 | |
2ec600d6 LCC |
2750 | memset(¶ms, 0, sizeof(params)); |
2751 | ||
04a773ad | 2752 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2753 | |
723b038d | 2754 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2755 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2756 | if (otype != ntype) |
ac7f9cfa | 2757 | change = true; |
4c476991 JB |
2758 | if (ntype > NL80211_IFTYPE_MAX) |
2759 | return -EINVAL; | |
723b038d JB |
2760 | } |
2761 | ||
92ffe055 | 2762 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2763 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2764 | ||
4c476991 JB |
2765 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2766 | return -EINVAL; | |
29cbe68c JB |
2767 | if (netif_running(dev)) |
2768 | return -EBUSY; | |
2769 | ||
2770 | wdev_lock(wdev); | |
2771 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2772 | IEEE80211_MAX_MESH_ID_LEN); | |
2773 | wdev->mesh_id_up_len = | |
2774 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2775 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2776 | wdev->mesh_id_up_len); | |
2777 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2778 | } |
2779 | ||
8b787643 FF |
2780 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2781 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2782 | change = true; | |
ad4bb6f8 | 2783 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2784 | if (err) |
4c476991 | 2785 | return err; |
8b787643 FF |
2786 | } else { |
2787 | params.use_4addr = -1; | |
2788 | } | |
2789 | ||
92ffe055 | 2790 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2791 | if (ntype != NL80211_IFTYPE_MONITOR) |
2792 | return -EINVAL; | |
92ffe055 JB |
2793 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2794 | &_flags); | |
ac7f9cfa | 2795 | if (err) |
4c476991 | 2796 | return err; |
ac7f9cfa JB |
2797 | |
2798 | flags = &_flags; | |
2799 | change = true; | |
92ffe055 | 2800 | } |
3b85875a | 2801 | |
c6e6a0c8 AE |
2802 | if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) { |
2803 | const u8 *mumimo_groups; | |
2804 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2805 | ||
2806 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2807 | return -EOPNOTSUPP; | |
2808 | ||
2809 | mumimo_groups = | |
2810 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]); | |
2811 | ||
2812 | /* bits 0 and 63 are reserved and must be zero */ | |
2813 | if ((mumimo_groups[0] & BIT(7)) || | |
2814 | (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(0))) | |
2815 | return -EINVAL; | |
2816 | ||
2817 | memcpy(params.vht_mumimo_groups, mumimo_groups, | |
2818 | VHT_MUMIMO_GROUPS_DATA_LEN); | |
2819 | change = true; | |
2820 | } | |
2821 | ||
2822 | if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) { | |
2823 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2824 | ||
2825 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2826 | return -EOPNOTSUPP; | |
2827 | ||
2828 | nla_memcpy(params.macaddr, | |
2829 | info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR], | |
2830 | ETH_ALEN); | |
2831 | change = true; | |
2832 | } | |
2833 | ||
18003297 | 2834 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2835 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2836 | return -EOPNOTSUPP; | |
2837 | ||
ac7f9cfa | 2838 | if (change) |
3d54d255 | 2839 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2840 | else |
2841 | err = 0; | |
60719ffd | 2842 | |
9bc383de JB |
2843 | if (!err && params.use_4addr != -1) |
2844 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2845 | ||
55682965 JB |
2846 | return err; |
2847 | } | |
2848 | ||
2849 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2850 | { | |
4c476991 | 2851 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2852 | struct vif_params params; |
84efbb84 | 2853 | struct wireless_dev *wdev; |
896ff063 | 2854 | struct sk_buff *msg; |
55682965 JB |
2855 | int err; |
2856 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2857 | u32 flags; |
55682965 | 2858 | |
78f22b6a JB |
2859 | /* to avoid failing a new interface creation due to pending removal */ |
2860 | cfg80211_destroy_ifaces(rdev); | |
2861 | ||
2ec600d6 LCC |
2862 | memset(¶ms, 0, sizeof(params)); |
2863 | ||
55682965 JB |
2864 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2865 | return -EINVAL; | |
2866 | ||
2867 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2868 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2869 | if (type > NL80211_IFTYPE_MAX) | |
2870 | return -EINVAL; | |
2871 | } | |
2872 | ||
79c97e97 | 2873 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2874 | !(rdev->wiphy.interface_modes & (1 << type))) |
2875 | return -EOPNOTSUPP; | |
55682965 | 2876 | |
cb3b7d87 | 2877 | if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN || |
e8f479b1 BG |
2878 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && |
2879 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
2880 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
2881 | ETH_ALEN); | |
2882 | if (!is_valid_ether_addr(params.macaddr)) | |
2883 | return -EADDRNOTAVAIL; | |
2884 | } | |
2885 | ||
9bc383de | 2886 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2887 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2888 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2889 | if (err) |
4c476991 | 2890 | return err; |
9bc383de | 2891 | } |
8b787643 | 2892 | |
66f7ac50 MW |
2893 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2894 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2895 | &flags); | |
e057d3c3 | 2896 | |
18003297 | 2897 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2898 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2899 | return -EOPNOTSUPP; | |
2900 | ||
a18c7192 JB |
2901 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2902 | if (!msg) | |
2903 | return -ENOMEM; | |
2904 | ||
e35e4d28 HG |
2905 | wdev = rdev_add_virtual_intf(rdev, |
2906 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
6bab2e19 TG |
2907 | NET_NAME_USER, type, err ? NULL : &flags, |
2908 | ¶ms); | |
d687cbb7 RM |
2909 | if (WARN_ON(!wdev)) { |
2910 | nlmsg_free(msg); | |
2911 | return -EPROTO; | |
2912 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 2913 | nlmsg_free(msg); |
84efbb84 | 2914 | return PTR_ERR(wdev); |
1c90f9d4 | 2915 | } |
2ec600d6 | 2916 | |
18e5ca65 | 2917 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
2918 | wdev->owner_nlportid = info->snd_portid; |
2919 | ||
98104fde JB |
2920 | switch (type) { |
2921 | case NL80211_IFTYPE_MESH_POINT: | |
2922 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2923 | break; | |
29cbe68c JB |
2924 | wdev_lock(wdev); |
2925 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2926 | IEEE80211_MAX_MESH_ID_LEN); | |
2927 | wdev->mesh_id_up_len = | |
2928 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2929 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2930 | wdev->mesh_id_up_len); | |
2931 | wdev_unlock(wdev); | |
98104fde | 2932 | break; |
cb3b7d87 | 2933 | case NL80211_IFTYPE_NAN: |
98104fde JB |
2934 | case NL80211_IFTYPE_P2P_DEVICE: |
2935 | /* | |
cb3b7d87 | 2936 | * P2P Device and NAN do not have a netdev, so don't go |
98104fde JB |
2937 | * through the netdev notifier and must be added here |
2938 | */ | |
2939 | mutex_init(&wdev->mtx); | |
2940 | INIT_LIST_HEAD(&wdev->event_list); | |
2941 | spin_lock_init(&wdev->event_lock); | |
2942 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2943 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2944 | ||
98104fde | 2945 | wdev->identifier = ++rdev->wdev_id; |
53873f13 | 2946 | list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list); |
98104fde | 2947 | rdev->devlist_generation++; |
98104fde JB |
2948 | break; |
2949 | default: | |
2950 | break; | |
29cbe68c JB |
2951 | } |
2952 | ||
15e47304 | 2953 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2954 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
2955 | nlmsg_free(msg); |
2956 | return -ENOBUFS; | |
2957 | } | |
2958 | ||
896ff063 DK |
2959 | /* |
2960 | * For wdevs which have no associated netdev object (e.g. of type | |
2961 | * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here. | |
2962 | * For all other types, the event will be generated from the | |
2963 | * netdev notifier | |
2964 | */ | |
2965 | if (!wdev->netdev) | |
2966 | nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); | |
8f894be2 | 2967 | |
1c90f9d4 | 2968 | return genlmsg_reply(msg, info); |
55682965 JB |
2969 | } |
2970 | ||
2971 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2972 | { | |
4c476991 | 2973 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2974 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2975 | |
4c476991 JB |
2976 | if (!rdev->ops->del_virtual_intf) |
2977 | return -EOPNOTSUPP; | |
55682965 | 2978 | |
84efbb84 JB |
2979 | /* |
2980 | * If we remove a wireless device without a netdev then clear | |
2981 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2982 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2983 | * since the wdev has been freed, unlike with a netdev where | |
2984 | * we need the dev_put() for the netdev to really be freed. | |
2985 | */ | |
2986 | if (!wdev->netdev) | |
2987 | info->user_ptr[1] = NULL; | |
2988 | ||
7f8ed01e | 2989 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2990 | } |
2991 | ||
1d9d9213 SW |
2992 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2993 | { | |
2994 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2995 | struct net_device *dev = info->user_ptr[1]; | |
2996 | u16 noack_map; | |
2997 | ||
2998 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2999 | return -EINVAL; | |
3000 | ||
3001 | if (!rdev->ops->set_noack_map) | |
3002 | return -EOPNOTSUPP; | |
3003 | ||
3004 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
3005 | ||
e35e4d28 | 3006 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
3007 | } |
3008 | ||
41ade00f JB |
3009 | struct get_key_cookie { |
3010 | struct sk_buff *msg; | |
3011 | int error; | |
b9454e83 | 3012 | int idx; |
41ade00f JB |
3013 | }; |
3014 | ||
3015 | static void get_key_callback(void *c, struct key_params *params) | |
3016 | { | |
b9454e83 | 3017 | struct nlattr *key; |
41ade00f JB |
3018 | struct get_key_cookie *cookie = c; |
3019 | ||
9360ffd1 DM |
3020 | if ((params->key && |
3021 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
3022 | params->key_len, params->key)) || | |
3023 | (params->seq && | |
3024 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
3025 | params->seq_len, params->seq)) || | |
3026 | (params->cipher && | |
3027 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
3028 | params->cipher))) | |
3029 | goto nla_put_failure; | |
41ade00f | 3030 | |
b9454e83 JB |
3031 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
3032 | if (!key) | |
3033 | goto nla_put_failure; | |
3034 | ||
9360ffd1 DM |
3035 | if ((params->key && |
3036 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
3037 | params->key_len, params->key)) || | |
3038 | (params->seq && | |
3039 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
3040 | params->seq_len, params->seq)) || | |
3041 | (params->cipher && | |
3042 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
3043 | params->cipher))) | |
3044 | goto nla_put_failure; | |
b9454e83 | 3045 | |
9360ffd1 DM |
3046 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
3047 | goto nla_put_failure; | |
b9454e83 JB |
3048 | |
3049 | nla_nest_end(cookie->msg, key); | |
3050 | ||
41ade00f JB |
3051 | return; |
3052 | nla_put_failure: | |
3053 | cookie->error = 1; | |
3054 | } | |
3055 | ||
3056 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
3057 | { | |
4c476991 | 3058 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3059 | int err; |
4c476991 | 3060 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3061 | u8 key_idx = 0; |
e31b8213 JB |
3062 | const u8 *mac_addr = NULL; |
3063 | bool pairwise; | |
41ade00f JB |
3064 | struct get_key_cookie cookie = { |
3065 | .error = 0, | |
3066 | }; | |
3067 | void *hdr; | |
3068 | struct sk_buff *msg; | |
3069 | ||
3070 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
3071 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
3072 | ||
3cfcf6ac | 3073 | if (key_idx > 5) |
41ade00f JB |
3074 | return -EINVAL; |
3075 | ||
3076 | if (info->attrs[NL80211_ATTR_MAC]) | |
3077 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3078 | ||
e31b8213 JB |
3079 | pairwise = !!mac_addr; |
3080 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
3081 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
7a087e74 | 3082 | |
e31b8213 JB |
3083 | if (kt >= NUM_NL80211_KEYTYPES) |
3084 | return -EINVAL; | |
3085 | if (kt != NL80211_KEYTYPE_GROUP && | |
3086 | kt != NL80211_KEYTYPE_PAIRWISE) | |
3087 | return -EINVAL; | |
3088 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
3089 | } | |
3090 | ||
4c476991 JB |
3091 | if (!rdev->ops->get_key) |
3092 | return -EOPNOTSUPP; | |
41ade00f | 3093 | |
0fa7b391 JB |
3094 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3095 | return -ENOENT; | |
3096 | ||
fd2120ca | 3097 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3098 | if (!msg) |
3099 | return -ENOMEM; | |
41ade00f | 3100 | |
15e47304 | 3101 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 3102 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 3103 | if (!hdr) |
9fe271af | 3104 | goto nla_put_failure; |
41ade00f JB |
3105 | |
3106 | cookie.msg = msg; | |
b9454e83 | 3107 | cookie.idx = key_idx; |
41ade00f | 3108 | |
9360ffd1 DM |
3109 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3110 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
3111 | goto nla_put_failure; | |
3112 | if (mac_addr && | |
3113 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
3114 | goto nla_put_failure; | |
41ade00f | 3115 | |
e35e4d28 HG |
3116 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
3117 | get_key_callback); | |
41ade00f JB |
3118 | |
3119 | if (err) | |
6c95e2a2 | 3120 | goto free_msg; |
41ade00f JB |
3121 | |
3122 | if (cookie.error) | |
3123 | goto nla_put_failure; | |
3124 | ||
3125 | genlmsg_end(msg, hdr); | |
4c476991 | 3126 | return genlmsg_reply(msg, info); |
41ade00f JB |
3127 | |
3128 | nla_put_failure: | |
3129 | err = -ENOBUFS; | |
6c95e2a2 | 3130 | free_msg: |
41ade00f | 3131 | nlmsg_free(msg); |
41ade00f JB |
3132 | return err; |
3133 | } | |
3134 | ||
3135 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
3136 | { | |
4c476991 | 3137 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 3138 | struct key_parse key; |
41ade00f | 3139 | int err; |
4c476991 | 3140 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3141 | |
b9454e83 JB |
3142 | err = nl80211_parse_key(info, &key); |
3143 | if (err) | |
3144 | return err; | |
41ade00f | 3145 | |
b9454e83 | 3146 | if (key.idx < 0) |
41ade00f JB |
3147 | return -EINVAL; |
3148 | ||
b9454e83 JB |
3149 | /* only support setting default key */ |
3150 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
3151 | return -EINVAL; |
3152 | ||
dbd2fd65 | 3153 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 3154 | |
dbd2fd65 JB |
3155 | if (key.def) { |
3156 | if (!rdev->ops->set_default_key) { | |
3157 | err = -EOPNOTSUPP; | |
3158 | goto out; | |
3159 | } | |
41ade00f | 3160 | |
dbd2fd65 JB |
3161 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
3162 | if (err) | |
3163 | goto out; | |
3164 | ||
e35e4d28 | 3165 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
3166 | key.def_uni, key.def_multi); |
3167 | ||
3168 | if (err) | |
3169 | goto out; | |
fffd0934 | 3170 | |
3d23e349 | 3171 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
3172 | dev->ieee80211_ptr->wext.default_key = key.idx; |
3173 | #endif | |
3174 | } else { | |
3175 | if (key.def_uni || !key.def_multi) { | |
3176 | err = -EINVAL; | |
3177 | goto out; | |
3178 | } | |
3179 | ||
3180 | if (!rdev->ops->set_default_mgmt_key) { | |
3181 | err = -EOPNOTSUPP; | |
3182 | goto out; | |
3183 | } | |
3184 | ||
3185 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3186 | if (err) | |
3187 | goto out; | |
3188 | ||
e35e4d28 | 3189 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
3190 | if (err) |
3191 | goto out; | |
3192 | ||
3193 | #ifdef CONFIG_CFG80211_WEXT | |
3194 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 3195 | #endif |
dbd2fd65 JB |
3196 | } |
3197 | ||
3198 | out: | |
fffd0934 | 3199 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3200 | |
41ade00f JB |
3201 | return err; |
3202 | } | |
3203 | ||
3204 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
3205 | { | |
4c476991 | 3206 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 3207 | int err; |
4c476991 | 3208 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 3209 | struct key_parse key; |
e31b8213 | 3210 | const u8 *mac_addr = NULL; |
41ade00f | 3211 | |
b9454e83 JB |
3212 | err = nl80211_parse_key(info, &key); |
3213 | if (err) | |
3214 | return err; | |
41ade00f | 3215 | |
b9454e83 | 3216 | if (!key.p.key) |
41ade00f JB |
3217 | return -EINVAL; |
3218 | ||
41ade00f JB |
3219 | if (info->attrs[NL80211_ATTR_MAC]) |
3220 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3221 | ||
e31b8213 JB |
3222 | if (key.type == -1) { |
3223 | if (mac_addr) | |
3224 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3225 | else | |
3226 | key.type = NL80211_KEYTYPE_GROUP; | |
3227 | } | |
3228 | ||
3229 | /* for now */ | |
3230 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3231 | key.type != NL80211_KEYTYPE_GROUP) | |
3232 | return -EINVAL; | |
3233 | ||
4c476991 JB |
3234 | if (!rdev->ops->add_key) |
3235 | return -EOPNOTSUPP; | |
25e47c18 | 3236 | |
e31b8213 JB |
3237 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3238 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3239 | mac_addr)) | |
4c476991 | 3240 | return -EINVAL; |
41ade00f | 3241 | |
fffd0934 JB |
3242 | wdev_lock(dev->ieee80211_ptr); |
3243 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3244 | if (!err) | |
e35e4d28 HG |
3245 | err = rdev_add_key(rdev, dev, key.idx, |
3246 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3247 | mac_addr, &key.p); | |
fffd0934 | 3248 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3249 | |
41ade00f JB |
3250 | return err; |
3251 | } | |
3252 | ||
3253 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3254 | { | |
4c476991 | 3255 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3256 | int err; |
4c476991 | 3257 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3258 | u8 *mac_addr = NULL; |
b9454e83 | 3259 | struct key_parse key; |
41ade00f | 3260 | |
b9454e83 JB |
3261 | err = nl80211_parse_key(info, &key); |
3262 | if (err) | |
3263 | return err; | |
41ade00f JB |
3264 | |
3265 | if (info->attrs[NL80211_ATTR_MAC]) | |
3266 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3267 | ||
e31b8213 JB |
3268 | if (key.type == -1) { |
3269 | if (mac_addr) | |
3270 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3271 | else | |
3272 | key.type = NL80211_KEYTYPE_GROUP; | |
3273 | } | |
3274 | ||
3275 | /* for now */ | |
3276 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3277 | key.type != NL80211_KEYTYPE_GROUP) | |
3278 | return -EINVAL; | |
3279 | ||
4c476991 JB |
3280 | if (!rdev->ops->del_key) |
3281 | return -EOPNOTSUPP; | |
41ade00f | 3282 | |
fffd0934 JB |
3283 | wdev_lock(dev->ieee80211_ptr); |
3284 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 | 3285 | |
0fa7b391 | 3286 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
e31b8213 JB |
3287 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3288 | err = -ENOENT; | |
3289 | ||
fffd0934 | 3290 | if (!err) |
e35e4d28 HG |
3291 | err = rdev_del_key(rdev, dev, key.idx, |
3292 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3293 | mac_addr); | |
41ade00f | 3294 | |
3d23e349 | 3295 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3296 | if (!err) { |
b9454e83 | 3297 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3298 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3299 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3300 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3301 | } | |
3302 | #endif | |
fffd0934 | 3303 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3304 | |
41ade00f JB |
3305 | return err; |
3306 | } | |
3307 | ||
77765eaf VT |
3308 | /* This function returns an error or the number of nested attributes */ |
3309 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3310 | { | |
3311 | struct nlattr *attr; | |
3312 | int n_entries = 0, tmp; | |
3313 | ||
3314 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3315 | if (nla_len(attr) != ETH_ALEN) | |
3316 | return -EINVAL; | |
3317 | ||
3318 | n_entries++; | |
3319 | } | |
3320 | ||
3321 | return n_entries; | |
3322 | } | |
3323 | ||
3324 | /* | |
3325 | * This function parses ACL information and allocates memory for ACL data. | |
3326 | * On successful return, the calling function is responsible to free the | |
3327 | * ACL buffer returned by this function. | |
3328 | */ | |
3329 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3330 | struct genl_info *info) | |
3331 | { | |
3332 | enum nl80211_acl_policy acl_policy; | |
3333 | struct nlattr *attr; | |
3334 | struct cfg80211_acl_data *acl; | |
3335 | int i = 0, n_entries, tmp; | |
3336 | ||
3337 | if (!wiphy->max_acl_mac_addrs) | |
3338 | return ERR_PTR(-EOPNOTSUPP); | |
3339 | ||
3340 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3341 | return ERR_PTR(-EINVAL); | |
3342 | ||
3343 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3344 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3345 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3346 | return ERR_PTR(-EINVAL); | |
3347 | ||
3348 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3349 | return ERR_PTR(-EINVAL); | |
3350 | ||
3351 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3352 | if (n_entries < 0) | |
3353 | return ERR_PTR(n_entries); | |
3354 | ||
3355 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3356 | return ERR_PTR(-ENOTSUPP); | |
3357 | ||
3358 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3359 | GFP_KERNEL); | |
3360 | if (!acl) | |
3361 | return ERR_PTR(-ENOMEM); | |
3362 | ||
3363 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3364 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3365 | i++; | |
3366 | } | |
3367 | ||
3368 | acl->n_acl_entries = n_entries; | |
3369 | acl->acl_policy = acl_policy; | |
3370 | ||
3371 | return acl; | |
3372 | } | |
3373 | ||
3374 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3375 | { | |
3376 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3377 | struct net_device *dev = info->user_ptr[1]; | |
3378 | struct cfg80211_acl_data *acl; | |
3379 | int err; | |
3380 | ||
3381 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3382 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3383 | return -EOPNOTSUPP; | |
3384 | ||
3385 | if (!dev->ieee80211_ptr->beacon_interval) | |
3386 | return -EINVAL; | |
3387 | ||
3388 | acl = parse_acl_data(&rdev->wiphy, info); | |
3389 | if (IS_ERR(acl)) | |
3390 | return PTR_ERR(acl); | |
3391 | ||
3392 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3393 | ||
3394 | kfree(acl); | |
3395 | ||
3396 | return err; | |
3397 | } | |
3398 | ||
a7c7fbff PK |
3399 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
3400 | u8 *rates, u8 rates_len) | |
3401 | { | |
3402 | u8 i; | |
3403 | u32 mask = 0; | |
3404 | ||
3405 | for (i = 0; i < rates_len; i++) { | |
3406 | int rate = (rates[i] & 0x7f) * 5; | |
3407 | int ridx; | |
3408 | ||
3409 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
3410 | struct ieee80211_rate *srate = | |
3411 | &sband->bitrates[ridx]; | |
3412 | if (rate == srate->bitrate) { | |
3413 | mask |= 1 << ridx; | |
3414 | break; | |
3415 | } | |
3416 | } | |
3417 | if (ridx == sband->n_bitrates) | |
3418 | return 0; /* rate not found */ | |
3419 | } | |
3420 | ||
3421 | return mask; | |
3422 | } | |
3423 | ||
3424 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, | |
3425 | u8 *rates, u8 rates_len, | |
3426 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
3427 | { | |
3428 | u8 i; | |
3429 | ||
3430 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
3431 | ||
3432 | for (i = 0; i < rates_len; i++) { | |
3433 | int ridx, rbit; | |
3434 | ||
3435 | ridx = rates[i] / 8; | |
3436 | rbit = BIT(rates[i] % 8); | |
3437 | ||
3438 | /* check validity */ | |
3439 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) | |
3440 | return false; | |
3441 | ||
3442 | /* check availability */ | |
3443 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
3444 | mcs[ridx] |= rbit; | |
3445 | else | |
3446 | return false; | |
3447 | } | |
3448 | ||
3449 | return true; | |
3450 | } | |
3451 | ||
3452 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) | |
3453 | { | |
3454 | u16 mcs_mask = 0; | |
3455 | ||
3456 | switch (vht_mcs_map) { | |
3457 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
3458 | break; | |
3459 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
3460 | mcs_mask = 0x00FF; | |
3461 | break; | |
3462 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
3463 | mcs_mask = 0x01FF; | |
3464 | break; | |
3465 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
3466 | mcs_mask = 0x03FF; | |
3467 | break; | |
3468 | default: | |
3469 | break; | |
3470 | } | |
3471 | ||
3472 | return mcs_mask; | |
3473 | } | |
3474 | ||
3475 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
3476 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
3477 | { | |
3478 | u8 nss; | |
3479 | ||
3480 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
3481 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
3482 | vht_mcs_map >>= 2; | |
3483 | } | |
3484 | } | |
3485 | ||
3486 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
3487 | struct nl80211_txrate_vht *txrate, | |
3488 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
3489 | { | |
3490 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3491 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
3492 | u8 i; | |
3493 | ||
3494 | if (!sband->vht_cap.vht_supported) | |
3495 | return false; | |
3496 | ||
3497 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
3498 | ||
3499 | /* Build vht_mcs_mask from VHT capabilities */ | |
3500 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
3501 | ||
3502 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
3503 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
3504 | mcs[i] = txrate->mcs[i]; | |
3505 | else | |
3506 | return false; | |
3507 | } | |
3508 | ||
3509 | return true; | |
3510 | } | |
3511 | ||
3512 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { | |
3513 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, | |
3514 | .len = NL80211_MAX_SUPP_RATES }, | |
3515 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, | |
3516 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
3517 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, | |
3518 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, | |
3519 | }; | |
3520 | ||
3521 | static int nl80211_parse_tx_bitrate_mask(struct genl_info *info, | |
3522 | struct cfg80211_bitrate_mask *mask) | |
3523 | { | |
3524 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
3525 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3526 | int rem, i; | |
3527 | struct nlattr *tx_rates; | |
3528 | struct ieee80211_supported_band *sband; | |
3529 | u16 vht_tx_mcs_map; | |
3530 | ||
3531 | memset(mask, 0, sizeof(*mask)); | |
3532 | /* Default to all rates enabled */ | |
3533 | for (i = 0; i < NUM_NL80211_BANDS; i++) { | |
3534 | sband = rdev->wiphy.bands[i]; | |
3535 | ||
3536 | if (!sband) | |
3537 | continue; | |
3538 | ||
3539 | mask->control[i].legacy = (1 << sband->n_bitrates) - 1; | |
3540 | memcpy(mask->control[i].ht_mcs, | |
3541 | sband->ht_cap.mcs.rx_mask, | |
3542 | sizeof(mask->control[i].ht_mcs)); | |
3543 | ||
3544 | if (!sband->vht_cap.vht_supported) | |
3545 | continue; | |
3546 | ||
3547 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3548 | vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs); | |
3549 | } | |
3550 | ||
3551 | /* if no rates are given set it back to the defaults */ | |
3552 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
3553 | goto out; | |
3554 | ||
3555 | /* The nested attribute uses enum nl80211_band as the index. This maps | |
3556 | * directly to the enum nl80211_band values used in cfg80211. | |
3557 | */ | |
3558 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); | |
3559 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { | |
3560 | enum nl80211_band band = nla_type(tx_rates); | |
3561 | int err; | |
3562 | ||
3563 | if (band < 0 || band >= NUM_NL80211_BANDS) | |
3564 | return -EINVAL; | |
3565 | sband = rdev->wiphy.bands[band]; | |
3566 | if (sband == NULL) | |
3567 | return -EINVAL; | |
bfe2c7b1 JB |
3568 | err = nla_parse_nested(tb, NL80211_TXRATE_MAX, tx_rates, |
3569 | nl80211_txattr_policy); | |
a7c7fbff PK |
3570 | if (err) |
3571 | return err; | |
3572 | if (tb[NL80211_TXRATE_LEGACY]) { | |
3573 | mask->control[band].legacy = rateset_to_mask( | |
3574 | sband, | |
3575 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
3576 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
3577 | if ((mask->control[band].legacy == 0) && | |
3578 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
3579 | return -EINVAL; | |
3580 | } | |
3581 | if (tb[NL80211_TXRATE_HT]) { | |
3582 | if (!ht_rateset_to_mask( | |
3583 | sband, | |
3584 | nla_data(tb[NL80211_TXRATE_HT]), | |
3585 | nla_len(tb[NL80211_TXRATE_HT]), | |
3586 | mask->control[band].ht_mcs)) | |
3587 | return -EINVAL; | |
3588 | } | |
3589 | if (tb[NL80211_TXRATE_VHT]) { | |
3590 | if (!vht_set_mcs_mask( | |
3591 | sband, | |
3592 | nla_data(tb[NL80211_TXRATE_VHT]), | |
3593 | mask->control[band].vht_mcs)) | |
3594 | return -EINVAL; | |
3595 | } | |
3596 | if (tb[NL80211_TXRATE_GI]) { | |
3597 | mask->control[band].gi = | |
3598 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
3599 | if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
3600 | return -EINVAL; | |
3601 | } | |
3602 | ||
3603 | if (mask->control[band].legacy == 0) { | |
3604 | /* don't allow empty legacy rates if HT or VHT | |
3605 | * are not even supported. | |
3606 | */ | |
3607 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
3608 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
3609 | return -EINVAL; | |
3610 | ||
3611 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
3612 | if (mask->control[band].ht_mcs[i]) | |
3613 | goto out; | |
3614 | ||
3615 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
3616 | if (mask->control[band].vht_mcs[i]) | |
3617 | goto out; | |
3618 | ||
3619 | /* legacy and mcs rates may not be both empty */ | |
3620 | return -EINVAL; | |
3621 | } | |
3622 | } | |
3623 | ||
3624 | out: | |
3625 | return 0; | |
3626 | } | |
3627 | ||
8564e382 JB |
3628 | static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev, |
3629 | enum nl80211_band band, | |
3630 | struct cfg80211_bitrate_mask *beacon_rate) | |
a7c7fbff | 3631 | { |
8564e382 JB |
3632 | u32 count_ht, count_vht, i; |
3633 | u32 rate = beacon_rate->control[band].legacy; | |
a7c7fbff PK |
3634 | |
3635 | /* Allow only one rate */ | |
3636 | if (hweight32(rate) > 1) | |
3637 | return -EINVAL; | |
3638 | ||
3639 | count_ht = 0; | |
3640 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
8564e382 | 3641 | if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) { |
a7c7fbff | 3642 | return -EINVAL; |
8564e382 | 3643 | } else if (beacon_rate->control[band].ht_mcs[i]) { |
a7c7fbff PK |
3644 | count_ht++; |
3645 | if (count_ht > 1) | |
3646 | return -EINVAL; | |
3647 | } | |
3648 | if (count_ht && rate) | |
3649 | return -EINVAL; | |
3650 | } | |
3651 | ||
3652 | count_vht = 0; | |
3653 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8564e382 | 3654 | if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) { |
a7c7fbff | 3655 | return -EINVAL; |
8564e382 | 3656 | } else if (beacon_rate->control[band].vht_mcs[i]) { |
a7c7fbff PK |
3657 | count_vht++; |
3658 | if (count_vht > 1) | |
3659 | return -EINVAL; | |
3660 | } | |
3661 | if (count_vht && rate) | |
3662 | return -EINVAL; | |
3663 | } | |
3664 | ||
3665 | if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht)) | |
3666 | return -EINVAL; | |
3667 | ||
8564e382 JB |
3668 | if (rate && |
3669 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3670 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) | |
3671 | return -EINVAL; | |
3672 | if (count_ht && | |
3673 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3674 | NL80211_EXT_FEATURE_BEACON_RATE_HT)) | |
3675 | return -EINVAL; | |
3676 | if (count_vht && | |
3677 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3678 | NL80211_EXT_FEATURE_BEACON_RATE_VHT)) | |
3679 | return -EINVAL; | |
3680 | ||
a7c7fbff PK |
3681 | return 0; |
3682 | } | |
3683 | ||
a1193be8 | 3684 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3685 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3686 | { |
8860020e | 3687 | bool haveinfo = false; |
ed1b6cc7 | 3688 | |
a1193be8 SW |
3689 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3690 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3691 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3692 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3693 | return -EINVAL; |
3694 | ||
8860020e | 3695 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3696 | |
a1193be8 SW |
3697 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3698 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3699 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3700 | if (!bcn->head_len) |
3701 | return -EINVAL; | |
3702 | haveinfo = true; | |
ed1b6cc7 JB |
3703 | } |
3704 | ||
a1193be8 SW |
3705 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3706 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3707 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3708 | haveinfo = true; |
ed1b6cc7 JB |
3709 | } |
3710 | ||
4c476991 JB |
3711 | if (!haveinfo) |
3712 | return -EINVAL; | |
3b85875a | 3713 | |
a1193be8 SW |
3714 | if (attrs[NL80211_ATTR_IE]) { |
3715 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3716 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3717 | } |
3718 | ||
a1193be8 | 3719 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3720 | bcn->proberesp_ies = |
a1193be8 | 3721 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3722 | bcn->proberesp_ies_len = |
a1193be8 | 3723 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3724 | } |
3725 | ||
a1193be8 | 3726 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3727 | bcn->assocresp_ies = |
a1193be8 | 3728 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3729 | bcn->assocresp_ies_len = |
a1193be8 | 3730 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3731 | } |
3732 | ||
a1193be8 SW |
3733 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3734 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3735 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3736 | } |
3737 | ||
8860020e JB |
3738 | return 0; |
3739 | } | |
3740 | ||
46c1dd0c FF |
3741 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3742 | struct cfg80211_ap_settings *params) | |
3743 | { | |
3744 | struct wireless_dev *wdev; | |
3745 | bool ret = false; | |
3746 | ||
53873f13 | 3747 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
46c1dd0c FF |
3748 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3749 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3750 | continue; | |
3751 | ||
683b6d3b | 3752 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3753 | continue; |
3754 | ||
683b6d3b | 3755 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3756 | ret = true; |
3757 | break; | |
3758 | } | |
3759 | ||
46c1dd0c FF |
3760 | return ret; |
3761 | } | |
3762 | ||
e39e5b5e JM |
3763 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3764 | enum nl80211_auth_type auth_type, | |
3765 | enum nl80211_commands cmd) | |
3766 | { | |
3767 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3768 | return false; | |
3769 | ||
3770 | switch (cmd) { | |
3771 | case NL80211_CMD_AUTHENTICATE: | |
3772 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3773 | auth_type == NL80211_AUTHTYPE_SAE) | |
3774 | return false; | |
63181060 JM |
3775 | if (!wiphy_ext_feature_isset(&rdev->wiphy, |
3776 | NL80211_EXT_FEATURE_FILS_STA) && | |
3777 | (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
3778 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3779 | auth_type == NL80211_AUTHTYPE_FILS_PK)) | |
3780 | return false; | |
e39e5b5e JM |
3781 | return true; |
3782 | case NL80211_CMD_CONNECT: | |
3783 | case NL80211_CMD_START_AP: | |
3784 | /* SAE not supported yet */ | |
3785 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3786 | return false; | |
63181060 JM |
3787 | /* FILS not supported yet */ |
3788 | if (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
3789 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3790 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
3791 | return false; | |
e39e5b5e JM |
3792 | return true; |
3793 | default: | |
3794 | return false; | |
3795 | } | |
3796 | } | |
3797 | ||
8860020e JB |
3798 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3799 | { | |
3800 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3801 | struct net_device *dev = info->user_ptr[1]; | |
3802 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3803 | struct cfg80211_ap_settings params; | |
3804 | int err; | |
3805 | ||
3806 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3807 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3808 | return -EOPNOTSUPP; | |
3809 | ||
3810 | if (!rdev->ops->start_ap) | |
3811 | return -EOPNOTSUPP; | |
3812 | ||
3813 | if (wdev->beacon_interval) | |
3814 | return -EALREADY; | |
3815 | ||
3816 | memset(¶ms, 0, sizeof(params)); | |
3817 | ||
3818 | /* these are required for START_AP */ | |
3819 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3820 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3821 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3822 | return -EINVAL; | |
3823 | ||
a1193be8 | 3824 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3825 | if (err) |
3826 | return err; | |
3827 | ||
3828 | params.beacon_interval = | |
3829 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3830 | params.dtim_period = | |
3831 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3832 | ||
0c317a02 PK |
3833 | err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype, |
3834 | params.beacon_interval); | |
8860020e JB |
3835 | if (err) |
3836 | return err; | |
3837 | ||
3838 | /* | |
3839 | * In theory, some of these attributes should be required here | |
3840 | * but since they were not used when the command was originally | |
3841 | * added, keep them optional for old user space programs to let | |
3842 | * them continue to work with drivers that do not need the | |
3843 | * additional information -- drivers must check! | |
3844 | */ | |
3845 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3846 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3847 | params.ssid_len = | |
3848 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3849 | if (params.ssid_len == 0 || | |
3850 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3851 | return -EINVAL; | |
3852 | } | |
3853 | ||
3854 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3855 | params.hidden_ssid = nla_get_u32( | |
3856 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3857 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3858 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3859 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3860 | return -EINVAL; | |
3861 | } | |
3862 | ||
3863 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3864 | ||
3865 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3866 | params.auth_type = nla_get_u32( | |
3867 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3868 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3869 | NL80211_CMD_START_AP)) | |
8860020e JB |
3870 | return -EINVAL; |
3871 | } else | |
3872 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3873 | ||
3874 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3875 | NL80211_MAX_NR_CIPHER_SUITES); | |
3876 | if (err) | |
3877 | return err; | |
3878 | ||
1b658f11 VT |
3879 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3880 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3881 | return -EOPNOTSUPP; | |
3882 | params.inactivity_timeout = nla_get_u16( | |
3883 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3884 | } | |
3885 | ||
53cabad7 JB |
3886 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3887 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3888 | return -EINVAL; | |
3889 | params.p2p_ctwindow = | |
3890 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3891 | if (params.p2p_ctwindow > 127) | |
3892 | return -EINVAL; | |
3893 | if (params.p2p_ctwindow != 0 && | |
3894 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3895 | return -EINVAL; | |
3896 | } | |
3897 | ||
3898 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3899 | u8 tmp; | |
3900 | ||
3901 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3902 | return -EINVAL; | |
3903 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3904 | if (tmp > 1) | |
3905 | return -EINVAL; | |
3906 | params.p2p_opp_ps = tmp; | |
3907 | if (params.p2p_opp_ps != 0 && | |
3908 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3909 | return -EINVAL; | |
3910 | } | |
3911 | ||
aa430da4 | 3912 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3913 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3914 | if (err) | |
3915 | return err; | |
3916 | } else if (wdev->preset_chandef.chan) { | |
3917 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3918 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3919 | return -EINVAL; |
3920 | ||
923b352f AN |
3921 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
3922 | wdev->iftype)) | |
aa430da4 JB |
3923 | return -EINVAL; |
3924 | ||
a7c7fbff PK |
3925 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
3926 | err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate); | |
3927 | if (err) | |
3928 | return err; | |
3929 | ||
8564e382 JB |
3930 | err = validate_beacon_tx_rate(rdev, params.chandef.chan->band, |
3931 | ¶ms.beacon_rate); | |
a7c7fbff PK |
3932 | if (err) |
3933 | return err; | |
3934 | } | |
3935 | ||
18998c38 EP |
3936 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
3937 | params.smps_mode = | |
3938 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
3939 | switch (params.smps_mode) { | |
3940 | case NL80211_SMPS_OFF: | |
3941 | break; | |
3942 | case NL80211_SMPS_STATIC: | |
3943 | if (!(rdev->wiphy.features & | |
3944 | NL80211_FEATURE_STATIC_SMPS)) | |
3945 | return -EINVAL; | |
3946 | break; | |
3947 | case NL80211_SMPS_DYNAMIC: | |
3948 | if (!(rdev->wiphy.features & | |
3949 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
3950 | return -EINVAL; | |
3951 | break; | |
3952 | default: | |
3953 | return -EINVAL; | |
3954 | } | |
3955 | } else { | |
3956 | params.smps_mode = NL80211_SMPS_OFF; | |
3957 | } | |
3958 | ||
6e8ef842 PK |
3959 | params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
3960 | if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) | |
3961 | return -EOPNOTSUPP; | |
3962 | ||
4baf6bea OO |
3963 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3964 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3965 | if (IS_ERR(params.acl)) | |
3966 | return PTR_ERR(params.acl); | |
3967 | } | |
3968 | ||
c56589ed | 3969 | wdev_lock(wdev); |
e35e4d28 | 3970 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3971 | if (!err) { |
683b6d3b | 3972 | wdev->preset_chandef = params.chandef; |
8860020e | 3973 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 3974 | wdev->chandef = params.chandef; |
06e191e2 AQ |
3975 | wdev->ssid_len = params.ssid_len; |
3976 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3977 | } |
c56589ed | 3978 | wdev_unlock(wdev); |
77765eaf VT |
3979 | |
3980 | kfree(params.acl); | |
3981 | ||
56d1893d | 3982 | return err; |
ed1b6cc7 JB |
3983 | } |
3984 | ||
8860020e JB |
3985 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3986 | { | |
3987 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3988 | struct net_device *dev = info->user_ptr[1]; | |
3989 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3990 | struct cfg80211_beacon_data params; | |
3991 | int err; | |
3992 | ||
3993 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3994 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3995 | return -EOPNOTSUPP; | |
3996 | ||
3997 | if (!rdev->ops->change_beacon) | |
3998 | return -EOPNOTSUPP; | |
3999 | ||
4000 | if (!wdev->beacon_interval) | |
4001 | return -EINVAL; | |
4002 | ||
a1193be8 | 4003 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
4004 | if (err) |
4005 | return err; | |
4006 | ||
c56589ed SW |
4007 | wdev_lock(wdev); |
4008 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
4009 | wdev_unlock(wdev); | |
4010 | ||
4011 | return err; | |
8860020e JB |
4012 | } |
4013 | ||
4014 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 4015 | { |
4c476991 JB |
4016 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4017 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 4018 | |
7c8d5e03 | 4019 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
4020 | } |
4021 | ||
5727ef1b JB |
4022 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
4023 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
4024 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
4025 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 4026 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 4027 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 4028 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
4029 | }; |
4030 | ||
eccb8e8f | 4031 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 4032 | enum nl80211_iftype iftype, |
eccb8e8f | 4033 | struct station_parameters *params) |
5727ef1b JB |
4034 | { |
4035 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 4036 | struct nlattr *nla; |
5727ef1b JB |
4037 | int flag; |
4038 | ||
eccb8e8f JB |
4039 | /* |
4040 | * Try parsing the new attribute first so userspace | |
4041 | * can specify both for older kernels. | |
4042 | */ | |
4043 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
4044 | if (nla) { | |
4045 | struct nl80211_sta_flag_update *sta_flags; | |
4046 | ||
4047 | sta_flags = nla_data(nla); | |
4048 | params->sta_flags_mask = sta_flags->mask; | |
4049 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 4050 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
4051 | if ((params->sta_flags_mask | |
4052 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
4053 | return -EINVAL; | |
4054 | return 0; | |
4055 | } | |
4056 | ||
4057 | /* if present, parse the old attribute */ | |
5727ef1b | 4058 | |
eccb8e8f | 4059 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
4060 | if (!nla) |
4061 | return 0; | |
4062 | ||
4063 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
4064 | nla, sta_flags_policy)) | |
4065 | return -EINVAL; | |
4066 | ||
bdd3ae3d JB |
4067 | /* |
4068 | * Only allow certain flags for interface types so that | |
4069 | * other attributes are silently ignored. Remember that | |
4070 | * this is backward compatibility code with old userspace | |
4071 | * and shouldn't be hit in other cases anyway. | |
4072 | */ | |
4073 | switch (iftype) { | |
4074 | case NL80211_IFTYPE_AP: | |
4075 | case NL80211_IFTYPE_AP_VLAN: | |
4076 | case NL80211_IFTYPE_P2P_GO: | |
4077 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4078 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4079 | BIT(NL80211_STA_FLAG_WME) | | |
4080 | BIT(NL80211_STA_FLAG_MFP); | |
4081 | break; | |
4082 | case NL80211_IFTYPE_P2P_CLIENT: | |
4083 | case NL80211_IFTYPE_STATION: | |
4084 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4085 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4086 | break; | |
4087 | case NL80211_IFTYPE_MESH_POINT: | |
4088 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4089 | BIT(NL80211_STA_FLAG_MFP) | | |
4090 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
4091 | default: | |
4092 | return -EINVAL; | |
4093 | } | |
5727ef1b | 4094 | |
3383b5a6 JB |
4095 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
4096 | if (flags[flag]) { | |
eccb8e8f | 4097 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 4098 | |
3383b5a6 JB |
4099 | /* no longer support new API additions in old API */ |
4100 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
4101 | return -EINVAL; | |
4102 | } | |
4103 | } | |
4104 | ||
5727ef1b JB |
4105 | return 0; |
4106 | } | |
4107 | ||
c8dcfd8a FF |
4108 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
4109 | int attr) | |
4110 | { | |
4111 | struct nlattr *rate; | |
8eb41c8d VK |
4112 | u32 bitrate; |
4113 | u16 bitrate_compat; | |
b51f3bee | 4114 | enum nl80211_attrs rate_flg; |
c8dcfd8a FF |
4115 | |
4116 | rate = nla_nest_start(msg, attr); | |
4117 | if (!rate) | |
db9c64cf | 4118 | return false; |
c8dcfd8a FF |
4119 | |
4120 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
4121 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
4122 | /* report 16-bit bitrate only if we can */ |
4123 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
4124 | if (bitrate > 0 && |
4125 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
4126 | return false; | |
4127 | if (bitrate_compat > 0 && | |
4128 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
4129 | return false; | |
4130 | ||
b51f3bee JB |
4131 | switch (info->bw) { |
4132 | case RATE_INFO_BW_5: | |
4133 | rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH; | |
4134 | break; | |
4135 | case RATE_INFO_BW_10: | |
4136 | rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH; | |
4137 | break; | |
4138 | default: | |
4139 | WARN_ON(1); | |
4140 | /* fall through */ | |
4141 | case RATE_INFO_BW_20: | |
4142 | rate_flg = 0; | |
4143 | break; | |
4144 | case RATE_INFO_BW_40: | |
4145 | rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH; | |
4146 | break; | |
4147 | case RATE_INFO_BW_80: | |
4148 | rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH; | |
4149 | break; | |
4150 | case RATE_INFO_BW_160: | |
4151 | rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH; | |
4152 | break; | |
4153 | } | |
4154 | ||
4155 | if (rate_flg && nla_put_flag(msg, rate_flg)) | |
4156 | return false; | |
4157 | ||
db9c64cf JB |
4158 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
4159 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
4160 | return false; | |
db9c64cf JB |
4161 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4162 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4163 | return false; | |
4164 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
4165 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
4166 | return false; | |
4167 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
4168 | return false; | |
db9c64cf JB |
4169 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4170 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4171 | return false; | |
4172 | } | |
c8dcfd8a FF |
4173 | |
4174 | nla_nest_end(msg, rate); | |
4175 | return true; | |
c8dcfd8a FF |
4176 | } |
4177 | ||
119363c7 FF |
4178 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
4179 | int id) | |
4180 | { | |
4181 | void *attr; | |
4182 | int i = 0; | |
4183 | ||
4184 | if (!mask) | |
4185 | return true; | |
4186 | ||
4187 | attr = nla_nest_start(msg, id); | |
4188 | if (!attr) | |
4189 | return false; | |
4190 | ||
4191 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
4192 | if (!(mask & BIT(i))) | |
4193 | continue; | |
4194 | ||
4195 | if (nla_put_u8(msg, i, signal[i])) | |
4196 | return false; | |
4197 | } | |
4198 | ||
4199 | nla_nest_end(msg, attr); | |
4200 | ||
4201 | return true; | |
4202 | } | |
4203 | ||
cf5ead82 JB |
4204 | static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, |
4205 | u32 seq, int flags, | |
66266b3a JL |
4206 | struct cfg80211_registered_device *rdev, |
4207 | struct net_device *dev, | |
98b62183 | 4208 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
4209 | { |
4210 | void *hdr; | |
f4263c98 | 4211 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 4212 | |
cf5ead82 | 4213 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
fd5b74dc JB |
4214 | if (!hdr) |
4215 | return -1; | |
4216 | ||
9360ffd1 DM |
4217 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4218 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
4219 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
4220 | goto nla_put_failure; | |
f5ea9120 | 4221 | |
2ec600d6 LCC |
4222 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
4223 | if (!sinfoattr) | |
fd5b74dc | 4224 | goto nla_put_failure; |
319090bf JB |
4225 | |
4226 | #define PUT_SINFO(attr, memb, type) do { \ | |
d686b920 | 4227 | BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \ |
739960f1 | 4228 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ |
319090bf JB |
4229 | nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ |
4230 | sinfo->memb)) \ | |
4231 | goto nla_put_failure; \ | |
4232 | } while (0) | |
d686b920 JB |
4233 | #define PUT_SINFO_U64(attr, memb) do { \ |
4234 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ | |
4235 | nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \ | |
4236 | sinfo->memb, NL80211_STA_INFO_PAD)) \ | |
4237 | goto nla_put_failure; \ | |
4238 | } while (0) | |
319090bf JB |
4239 | |
4240 | PUT_SINFO(CONNECTED_TIME, connected_time, u32); | |
4241 | PUT_SINFO(INACTIVE_TIME, inactive_time, u32); | |
4242 | ||
4243 | if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) | | |
4244 | BIT(NL80211_STA_INFO_RX_BYTES64)) && | |
9360ffd1 | 4245 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 4246 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 4247 | goto nla_put_failure; |
319090bf JB |
4248 | |
4249 | if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) | | |
4250 | BIT(NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 4251 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
4252 | (u32)sinfo->tx_bytes)) |
4253 | goto nla_put_failure; | |
319090bf | 4254 | |
d686b920 JB |
4255 | PUT_SINFO_U64(RX_BYTES64, rx_bytes); |
4256 | PUT_SINFO_U64(TX_BYTES64, tx_bytes); | |
319090bf JB |
4257 | PUT_SINFO(LLID, llid, u16); |
4258 | PUT_SINFO(PLID, plid, u16); | |
4259 | PUT_SINFO(PLINK_STATE, plink_state, u8); | |
d686b920 | 4260 | PUT_SINFO_U64(RX_DURATION, rx_duration); |
319090bf | 4261 | |
66266b3a JL |
4262 | switch (rdev->wiphy.signal_type) { |
4263 | case CFG80211_SIGNAL_TYPE_MBM: | |
319090bf JB |
4264 | PUT_SINFO(SIGNAL, signal, u8); |
4265 | PUT_SINFO(SIGNAL_AVG, signal_avg, u8); | |
66266b3a JL |
4266 | break; |
4267 | default: | |
4268 | break; | |
4269 | } | |
319090bf | 4270 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) { |
119363c7 FF |
4271 | if (!nl80211_put_signal(msg, sinfo->chains, |
4272 | sinfo->chain_signal, | |
4273 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
4274 | goto nla_put_failure; | |
4275 | } | |
319090bf | 4276 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { |
119363c7 FF |
4277 | if (!nl80211_put_signal(msg, sinfo->chains, |
4278 | sinfo->chain_signal_avg, | |
4279 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
4280 | goto nla_put_failure; | |
4281 | } | |
319090bf | 4282 | if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) { |
c8dcfd8a FF |
4283 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
4284 | NL80211_STA_INFO_TX_BITRATE)) | |
4285 | goto nla_put_failure; | |
4286 | } | |
319090bf | 4287 | if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) { |
c8dcfd8a FF |
4288 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
4289 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 4290 | goto nla_put_failure; |
420e7fab | 4291 | } |
319090bf JB |
4292 | |
4293 | PUT_SINFO(RX_PACKETS, rx_packets, u32); | |
4294 | PUT_SINFO(TX_PACKETS, tx_packets, u32); | |
4295 | PUT_SINFO(TX_RETRIES, tx_retries, u32); | |
4296 | PUT_SINFO(TX_FAILED, tx_failed, u32); | |
4297 | PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); | |
4298 | PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); | |
4299 | PUT_SINFO(LOCAL_PM, local_pm, u32); | |
4300 | PUT_SINFO(PEER_PM, peer_pm, u32); | |
4301 | PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); | |
4302 | ||
4303 | if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) { | |
f4263c98 PS |
4304 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); |
4305 | if (!bss_param) | |
4306 | goto nla_put_failure; | |
4307 | ||
9360ffd1 DM |
4308 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
4309 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
4310 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
4311 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
4312 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
4313 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
4314 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
4315 | sinfo->bss_param.dtim_period) || | |
4316 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
4317 | sinfo->bss_param.beacon_interval)) | |
4318 | goto nla_put_failure; | |
f4263c98 PS |
4319 | |
4320 | nla_nest_end(msg, bss_param); | |
4321 | } | |
319090bf | 4322 | if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) && |
9360ffd1 DM |
4323 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, |
4324 | sizeof(struct nl80211_sta_flag_update), | |
4325 | &sinfo->sta_flags)) | |
4326 | goto nla_put_failure; | |
319090bf | 4327 | |
d686b920 JB |
4328 | PUT_SINFO_U64(T_OFFSET, t_offset); |
4329 | PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); | |
4330 | PUT_SINFO_U64(BEACON_RX, rx_beacon); | |
a76b1942 | 4331 | PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); |
319090bf JB |
4332 | |
4333 | #undef PUT_SINFO | |
d686b920 | 4334 | #undef PUT_SINFO_U64 |
6de39808 JB |
4335 | |
4336 | if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) { | |
4337 | struct nlattr *tidsattr; | |
4338 | int tid; | |
4339 | ||
4340 | tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS); | |
4341 | if (!tidsattr) | |
4342 | goto nla_put_failure; | |
4343 | ||
4344 | for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { | |
4345 | struct cfg80211_tid_stats *tidstats; | |
4346 | struct nlattr *tidattr; | |
4347 | ||
4348 | tidstats = &sinfo->pertid[tid]; | |
4349 | ||
4350 | if (!tidstats->filled) | |
4351 | continue; | |
4352 | ||
4353 | tidattr = nla_nest_start(msg, tid + 1); | |
4354 | if (!tidattr) | |
4355 | goto nla_put_failure; | |
4356 | ||
d686b920 | 4357 | #define PUT_TIDVAL_U64(attr, memb) do { \ |
6de39808 | 4358 | if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ |
d686b920 JB |
4359 | nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \ |
4360 | tidstats->memb, NL80211_TID_STATS_PAD)) \ | |
6de39808 JB |
4361 | goto nla_put_failure; \ |
4362 | } while (0) | |
4363 | ||
d686b920 JB |
4364 | PUT_TIDVAL_U64(RX_MSDU, rx_msdu); |
4365 | PUT_TIDVAL_U64(TX_MSDU, tx_msdu); | |
4366 | PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries); | |
4367 | PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed); | |
6de39808 | 4368 | |
d686b920 | 4369 | #undef PUT_TIDVAL_U64 |
6de39808 JB |
4370 | nla_nest_end(msg, tidattr); |
4371 | } | |
4372 | ||
4373 | nla_nest_end(msg, tidsattr); | |
4374 | } | |
4375 | ||
2ec600d6 | 4376 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 4377 | |
319090bf | 4378 | if (sinfo->assoc_req_ies_len && |
9360ffd1 DM |
4379 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
4380 | sinfo->assoc_req_ies)) | |
4381 | goto nla_put_failure; | |
50d3dfb7 | 4382 | |
053c095a JB |
4383 | genlmsg_end(msg, hdr); |
4384 | return 0; | |
fd5b74dc JB |
4385 | |
4386 | nla_put_failure: | |
bc3ed28c TG |
4387 | genlmsg_cancel(msg, hdr); |
4388 | return -EMSGSIZE; | |
fd5b74dc JB |
4389 | } |
4390 | ||
2ec600d6 | 4391 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 4392 | struct netlink_callback *cb) |
2ec600d6 | 4393 | { |
2ec600d6 | 4394 | struct station_info sinfo; |
1b8ec87a | 4395 | struct cfg80211_registered_device *rdev; |
97990a06 | 4396 | struct wireless_dev *wdev; |
2ec600d6 | 4397 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 4398 | int sta_idx = cb->args[2]; |
2ec600d6 | 4399 | int err; |
2ec600d6 | 4400 | |
1b8ec87a | 4401 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4402 | if (err) |
4403 | return err; | |
bba95fef | 4404 | |
97990a06 JB |
4405 | if (!wdev->netdev) { |
4406 | err = -EINVAL; | |
4407 | goto out_err; | |
4408 | } | |
4409 | ||
1b8ec87a | 4410 | if (!rdev->ops->dump_station) { |
eec60b03 | 4411 | err = -EOPNOTSUPP; |
bba95fef JB |
4412 | goto out_err; |
4413 | } | |
4414 | ||
bba95fef | 4415 | while (1) { |
f612cedf | 4416 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 4417 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 4418 | mac_addr, &sinfo); |
bba95fef JB |
4419 | if (err == -ENOENT) |
4420 | break; | |
4421 | if (err) | |
3b85875a | 4422 | goto out_err; |
bba95fef | 4423 | |
cf5ead82 | 4424 | if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, |
15e47304 | 4425 | NETLINK_CB(cb->skb).portid, |
bba95fef | 4426 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 4427 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
4428 | &sinfo) < 0) |
4429 | goto out; | |
4430 | ||
4431 | sta_idx++; | |
4432 | } | |
4433 | ||
bba95fef | 4434 | out: |
97990a06 | 4435 | cb->args[2] = sta_idx; |
bba95fef | 4436 | err = skb->len; |
bba95fef | 4437 | out_err: |
1b8ec87a | 4438 | nl80211_finish_wdev_dump(rdev); |
bba95fef JB |
4439 | |
4440 | return err; | |
2ec600d6 | 4441 | } |
fd5b74dc | 4442 | |
5727ef1b JB |
4443 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
4444 | { | |
4c476991 JB |
4445 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4446 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 4447 | struct station_info sinfo; |
fd5b74dc JB |
4448 | struct sk_buff *msg; |
4449 | u8 *mac_addr = NULL; | |
4c476991 | 4450 | int err; |
fd5b74dc | 4451 | |
2ec600d6 | 4452 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
4453 | |
4454 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4455 | return -EINVAL; | |
4456 | ||
4457 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4458 | ||
4c476991 JB |
4459 | if (!rdev->ops->get_station) |
4460 | return -EOPNOTSUPP; | |
3b85875a | 4461 | |
e35e4d28 | 4462 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 4463 | if (err) |
4c476991 | 4464 | return err; |
2ec600d6 | 4465 | |
fd2120ca | 4466 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 4467 | if (!msg) |
4c476991 | 4468 | return -ENOMEM; |
fd5b74dc | 4469 | |
cf5ead82 JB |
4470 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, |
4471 | info->snd_portid, info->snd_seq, 0, | |
66266b3a | 4472 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
4473 | nlmsg_free(msg); |
4474 | return -ENOBUFS; | |
4475 | } | |
3b85875a | 4476 | |
4c476991 | 4477 | return genlmsg_reply(msg, info); |
5727ef1b JB |
4478 | } |
4479 | ||
77ee7c89 JB |
4480 | int cfg80211_check_station_change(struct wiphy *wiphy, |
4481 | struct station_parameters *params, | |
4482 | enum cfg80211_station_type statype) | |
4483 | { | |
e4208427 AB |
4484 | if (params->listen_interval != -1 && |
4485 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 | 4486 | return -EINVAL; |
e4208427 | 4487 | |
17b94247 AB |
4488 | if (params->support_p2p_ps != -1 && |
4489 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
4490 | return -EINVAL; | |
4491 | ||
c72e1140 | 4492 | if (params->aid && |
e4208427 AB |
4493 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && |
4494 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 JB |
4495 | return -EINVAL; |
4496 | ||
4497 | /* When you run into this, adjust the code below for the new flag */ | |
4498 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4499 | ||
4500 | switch (statype) { | |
eef941e6 TP |
4501 | case CFG80211_STA_MESH_PEER_KERNEL: |
4502 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
4503 | /* |
4504 | * No ignoring the TDLS flag here -- the userspace mesh | |
4505 | * code doesn't have the bug of including TDLS in the | |
4506 | * mask everywhere. | |
4507 | */ | |
4508 | if (params->sta_flags_mask & | |
4509 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4510 | BIT(NL80211_STA_FLAG_MFP) | | |
4511 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4512 | return -EINVAL; | |
4513 | break; | |
4514 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4515 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4516 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4517 | return -EINVAL; | |
4518 | /* ignore since it can't change */ | |
4519 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4520 | break; | |
4521 | default: | |
4522 | /* disallow mesh-specific things */ | |
4523 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
4524 | return -EINVAL; | |
4525 | if (params->local_pm) | |
4526 | return -EINVAL; | |
4527 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
4528 | return -EINVAL; | |
4529 | } | |
4530 | ||
4531 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
4532 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
4533 | /* TDLS can't be set, ... */ | |
4534 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4535 | return -EINVAL; | |
4536 | /* | |
4537 | * ... but don't bother the driver with it. This works around | |
4538 | * a hostapd/wpa_supplicant issue -- it always includes the | |
4539 | * TLDS_PEER flag in the mask even for AP mode. | |
4540 | */ | |
4541 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4542 | } | |
4543 | ||
47edb11b AB |
4544 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && |
4545 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4546 | /* reject other things that can't change */ |
4547 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
4548 | return -EINVAL; | |
4549 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
4550 | return -EINVAL; | |
4551 | if (params->supported_rates) | |
4552 | return -EINVAL; | |
4553 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
4554 | return -EINVAL; | |
4555 | } | |
4556 | ||
47edb11b AB |
4557 | if (statype != CFG80211_STA_AP_CLIENT && |
4558 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4559 | if (params->vlan) |
4560 | return -EINVAL; | |
4561 | } | |
4562 | ||
4563 | switch (statype) { | |
4564 | case CFG80211_STA_AP_MLME_CLIENT: | |
4565 | /* Use this only for authorizing/unauthorizing a station */ | |
4566 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4567 | return -EOPNOTSUPP; | |
4568 | break; | |
4569 | case CFG80211_STA_AP_CLIENT: | |
47edb11b | 4570 | case CFG80211_STA_AP_CLIENT_UNASSOC: |
77ee7c89 JB |
4571 | /* accept only the listed bits */ |
4572 | if (params->sta_flags_mask & | |
4573 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4574 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4575 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4576 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4577 | BIT(NL80211_STA_FLAG_WME) | | |
4578 | BIT(NL80211_STA_FLAG_MFP))) | |
4579 | return -EINVAL; | |
4580 | ||
4581 | /* but authenticated/associated only if driver handles it */ | |
4582 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4583 | params->sta_flags_mask & | |
4584 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4585 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4586 | return -EINVAL; | |
4587 | break; | |
4588 | case CFG80211_STA_IBSS: | |
4589 | case CFG80211_STA_AP_STA: | |
4590 | /* reject any changes other than AUTHORIZED */ | |
4591 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4592 | return -EINVAL; | |
4593 | break; | |
4594 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4595 | /* reject any changes other than AUTHORIZED or WME */ | |
4596 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4597 | BIT(NL80211_STA_FLAG_WME))) | |
4598 | return -EINVAL; | |
4599 | /* force (at least) rates when authorizing */ | |
4600 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4601 | !params->supported_rates) | |
4602 | return -EINVAL; | |
4603 | break; | |
4604 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4605 | /* reject any changes */ | |
4606 | return -EINVAL; | |
eef941e6 | 4607 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4608 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4609 | return -EINVAL; | |
4610 | break; | |
eef941e6 | 4611 | case CFG80211_STA_MESH_PEER_USER: |
42925040 CYY |
4612 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && |
4613 | params->plink_action != NL80211_PLINK_ACTION_BLOCK) | |
77ee7c89 JB |
4614 | return -EINVAL; |
4615 | break; | |
4616 | } | |
4617 | ||
4618 | return 0; | |
4619 | } | |
4620 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4621 | ||
5727ef1b | 4622 | /* |
c258d2de | 4623 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4624 | */ |
80b99899 JB |
4625 | static struct net_device *get_vlan(struct genl_info *info, |
4626 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4627 | { |
463d0183 | 4628 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4629 | struct net_device *v; |
4630 | int ret; | |
4631 | ||
4632 | if (!vlanattr) | |
4633 | return NULL; | |
4634 | ||
4635 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4636 | if (!v) | |
4637 | return ERR_PTR(-ENODEV); | |
4638 | ||
4639 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4640 | ret = -EINVAL; | |
4641 | goto error; | |
5727ef1b | 4642 | } |
80b99899 | 4643 | |
77ee7c89 JB |
4644 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4645 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4646 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4647 | ret = -EINVAL; | |
4648 | goto error; | |
4649 | } | |
4650 | ||
80b99899 JB |
4651 | if (!netif_running(v)) { |
4652 | ret = -ENETDOWN; | |
4653 | goto error; | |
4654 | } | |
4655 | ||
4656 | return v; | |
4657 | error: | |
4658 | dev_put(v); | |
4659 | return ERR_PTR(ret); | |
5727ef1b JB |
4660 | } |
4661 | ||
94e860f1 JB |
4662 | static const struct nla_policy |
4663 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4664 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4665 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4666 | }; | |
4667 | ||
ff276691 JB |
4668 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4669 | struct station_parameters *params) | |
df881293 | 4670 | { |
df881293 JM |
4671 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4672 | struct nlattr *nla; | |
4673 | int err; | |
4674 | ||
df881293 JM |
4675 | /* parse WME attributes if present */ |
4676 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4677 | return 0; | |
4678 | ||
4679 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4680 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4681 | nl80211_sta_wme_policy); | |
4682 | if (err) | |
4683 | return err; | |
4684 | ||
4685 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4686 | params->uapsd_queues = nla_get_u8( | |
4687 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4688 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4689 | return -EINVAL; | |
4690 | ||
4691 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4692 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4693 | ||
4694 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4695 | return -EINVAL; | |
4696 | ||
4697 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4698 | ||
4699 | return 0; | |
4700 | } | |
4701 | ||
c01fc9ad SD |
4702 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4703 | struct station_parameters *params) | |
4704 | { | |
4705 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4706 | params->supported_channels = | |
4707 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4708 | params->supported_channels_len = | |
4709 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4710 | /* | |
4711 | * Need to include at least one (first channel, number of | |
4712 | * channels) tuple for each subband, and must have proper | |
4713 | * tuples for the rest of the data as well. | |
4714 | */ | |
4715 | if (params->supported_channels_len < 2) | |
4716 | return -EINVAL; | |
4717 | if (params->supported_channels_len % 2) | |
4718 | return -EINVAL; | |
4719 | } | |
4720 | ||
4721 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4722 | params->supported_oper_classes = | |
4723 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4724 | params->supported_oper_classes_len = | |
4725 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4726 | /* | |
4727 | * The value of the Length field of the Supported Operating | |
4728 | * Classes element is between 2 and 253. | |
4729 | */ | |
4730 | if (params->supported_oper_classes_len < 2 || | |
4731 | params->supported_oper_classes_len > 253) | |
4732 | return -EINVAL; | |
4733 | } | |
4734 | return 0; | |
4735 | } | |
4736 | ||
ff276691 JB |
4737 | static int nl80211_set_station_tdls(struct genl_info *info, |
4738 | struct station_parameters *params) | |
4739 | { | |
c01fc9ad | 4740 | int err; |
ff276691 | 4741 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4742 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4743 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4744 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4745 | params->ht_capa = | |
4746 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4747 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4748 | params->vht_capa = | |
4749 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4750 | ||
c01fc9ad SD |
4751 | err = nl80211_parse_sta_channel_info(info, params); |
4752 | if (err) | |
4753 | return err; | |
4754 | ||
ff276691 JB |
4755 | return nl80211_parse_sta_wme(info, params); |
4756 | } | |
4757 | ||
5727ef1b JB |
4758 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4759 | { | |
4c476991 | 4760 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4761 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4762 | struct station_parameters params; |
77ee7c89 JB |
4763 | u8 *mac_addr; |
4764 | int err; | |
5727ef1b JB |
4765 | |
4766 | memset(¶ms, 0, sizeof(params)); | |
4767 | ||
77ee7c89 JB |
4768 | if (!rdev->ops->change_station) |
4769 | return -EOPNOTSUPP; | |
4770 | ||
e4208427 AB |
4771 | /* |
4772 | * AID and listen_interval properties can be set only for unassociated | |
4773 | * station. Include these parameters here and will check them in | |
4774 | * cfg80211_check_station_change(). | |
4775 | */ | |
a9bc31e4 AB |
4776 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4777 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
e4208427 AB |
4778 | |
4779 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
4780 | params.listen_interval = | |
4781 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
4782 | else | |
4783 | params.listen_interval = -1; | |
5727ef1b | 4784 | |
17b94247 AB |
4785 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4786 | u8 tmp; | |
4787 | ||
4788 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4789 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4790 | return -EINVAL; | |
4791 | ||
4792 | params.support_p2p_ps = tmp; | |
4793 | } else { | |
4794 | params.support_p2p_ps = -1; | |
4795 | } | |
4796 | ||
5727ef1b JB |
4797 | if (!info->attrs[NL80211_ATTR_MAC]) |
4798 | return -EINVAL; | |
4799 | ||
4800 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4801 | ||
4802 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4803 | params.supported_rates = | |
4804 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4805 | params.supported_rates_len = | |
4806 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4807 | } | |
4808 | ||
9d62a986 JM |
4809 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4810 | params.capability = | |
4811 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4812 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4813 | } | |
4814 | ||
4815 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4816 | params.ext_capab = | |
4817 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4818 | params.ext_capab_len = | |
4819 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4820 | } | |
4821 | ||
bdd3ae3d | 4822 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4823 | return -EINVAL; |
4824 | ||
f8bacc21 | 4825 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4826 | params.plink_action = |
f8bacc21 JB |
4827 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4828 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4829 | return -EINVAL; | |
4830 | } | |
2ec600d6 | 4831 | |
f8bacc21 | 4832 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4833 | params.plink_state = |
f8bacc21 JB |
4834 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4835 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4836 | return -EINVAL; | |
7d27a0ba MH |
4837 | if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) { |
4838 | params.peer_aid = nla_get_u16( | |
4839 | info->attrs[NL80211_ATTR_MESH_PEER_AID]); | |
4840 | if (params.peer_aid > IEEE80211_MAX_AID) | |
4841 | return -EINVAL; | |
4842 | } | |
f8bacc21 JB |
4843 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; |
4844 | } | |
9c3990aa | 4845 | |
3b1c5a53 MP |
4846 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4847 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4848 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4849 | ||
4850 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4851 | pm > NL80211_MESH_POWER_MAX) | |
4852 | return -EINVAL; | |
4853 | ||
4854 | params.local_pm = pm; | |
4855 | } | |
4856 | ||
77ee7c89 JB |
4857 | /* Include parameters for TDLS peer (will check later) */ |
4858 | err = nl80211_set_station_tdls(info, ¶ms); | |
4859 | if (err) | |
4860 | return err; | |
4861 | ||
4862 | params.vlan = get_vlan(info, rdev); | |
4863 | if (IS_ERR(params.vlan)) | |
4864 | return PTR_ERR(params.vlan); | |
4865 | ||
a97f4424 JB |
4866 | switch (dev->ieee80211_ptr->iftype) { |
4867 | case NL80211_IFTYPE_AP: | |
4868 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4869 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4870 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4871 | case NL80211_IFTYPE_STATION: |
267335d6 | 4872 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4873 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4874 | break; |
4875 | default: | |
77ee7c89 JB |
4876 | err = -EOPNOTSUPP; |
4877 | goto out_put_vlan; | |
034d655e JB |
4878 | } |
4879 | ||
77ee7c89 | 4880 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4881 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4882 | |
77ee7c89 | 4883 | out_put_vlan: |
5727ef1b JB |
4884 | if (params.vlan) |
4885 | dev_put(params.vlan); | |
3b85875a | 4886 | |
5727ef1b JB |
4887 | return err; |
4888 | } | |
4889 | ||
4890 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4891 | { | |
4c476991 | 4892 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4893 | int err; |
4c476991 | 4894 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4895 | struct station_parameters params; |
4896 | u8 *mac_addr = NULL; | |
bda95eb1 JB |
4897 | u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
4898 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
5727ef1b JB |
4899 | |
4900 | memset(¶ms, 0, sizeof(params)); | |
4901 | ||
984c311b JB |
4902 | if (!rdev->ops->add_station) |
4903 | return -EOPNOTSUPP; | |
4904 | ||
5727ef1b JB |
4905 | if (!info->attrs[NL80211_ATTR_MAC]) |
4906 | return -EINVAL; | |
4907 | ||
5727ef1b JB |
4908 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4909 | return -EINVAL; | |
4910 | ||
4911 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4912 | return -EINVAL; | |
4913 | ||
5e4b6f56 JM |
4914 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4915 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4916 | return -EINVAL; |
4917 | ||
5727ef1b JB |
4918 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4919 | params.supported_rates = | |
4920 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4921 | params.supported_rates_len = | |
4922 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4923 | params.listen_interval = | |
4924 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4925 | |
17b94247 AB |
4926 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4927 | u8 tmp; | |
4928 | ||
4929 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4930 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4931 | return -EINVAL; | |
4932 | ||
4933 | params.support_p2p_ps = tmp; | |
4934 | } else { | |
4935 | /* | |
4936 | * if not specified, assume it's supported for P2P GO interface, | |
4937 | * and is NOT supported for AP interface | |
4938 | */ | |
4939 | params.support_p2p_ps = | |
4940 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO; | |
4941 | } | |
4942 | ||
3d124ea2 | 4943 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4944 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4945 | else |
4946 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4947 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4948 | return -EINVAL; | |
51b50fbe | 4949 | |
9d62a986 JM |
4950 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4951 | params.capability = | |
4952 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4953 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4954 | } | |
4955 | ||
4956 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4957 | params.ext_capab = | |
4958 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4959 | params.ext_capab_len = | |
4960 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4961 | } | |
4962 | ||
36aedc90 JM |
4963 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4964 | params.ht_capa = | |
4965 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4966 | |
f461be3e MP |
4967 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4968 | params.vht_capa = | |
4969 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4970 | ||
60f4a7b1 MK |
4971 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4972 | params.opmode_notif_used = true; | |
4973 | params.opmode_notif = | |
4974 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4975 | } | |
4976 | ||
f8bacc21 | 4977 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4978 | params.plink_action = |
f8bacc21 JB |
4979 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4980 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4981 | return -EINVAL; | |
4982 | } | |
96b78dff | 4983 | |
c01fc9ad SD |
4984 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4985 | if (err) | |
4986 | return err; | |
4987 | ||
ff276691 JB |
4988 | err = nl80211_parse_sta_wme(info, ¶ms); |
4989 | if (err) | |
4990 | return err; | |
bdd90d5e | 4991 | |
bdd3ae3d | 4992 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4993 | return -EINVAL; |
4994 | ||
496fcc29 JB |
4995 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
4996 | * as userspace might just pass through the capabilities from the IEs | |
4997 | * directly, rather than enforcing this restriction and returning an | |
4998 | * error in this case. | |
4999 | */ | |
5000 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
5001 | params.ht_capa = NULL; | |
5002 | params.vht_capa = NULL; | |
5003 | } | |
5004 | ||
77ee7c89 JB |
5005 | /* When you run into this, adjust the code below for the new flag */ |
5006 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
5007 | ||
bdd90d5e JB |
5008 | switch (dev->ieee80211_ptr->iftype) { |
5009 | case NL80211_IFTYPE_AP: | |
5010 | case NL80211_IFTYPE_AP_VLAN: | |
5011 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
5012 | /* ignore WME attributes if iface/sta is not capable */ |
5013 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
5014 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
5015 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 5016 | |
bdd90d5e | 5017 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5018 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5019 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 5020 | return -EINVAL; |
bdd90d5e JB |
5021 | /* but don't bother the driver with it */ |
5022 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 5023 | |
d582cffb JB |
5024 | /* allow authenticated/associated only if driver handles it */ |
5025 | if (!(rdev->wiphy.features & | |
5026 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
bda95eb1 | 5027 | params.sta_flags_mask & auth_assoc) |
d582cffb JB |
5028 | return -EINVAL; |
5029 | ||
bda95eb1 JB |
5030 | /* Older userspace, or userspace wanting to be compatible with |
5031 | * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth | |
5032 | * and assoc flags in the mask, but assumes the station will be | |
5033 | * added as associated anyway since this was the required driver | |
5034 | * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was | |
5035 | * introduced. | |
5036 | * In order to not bother drivers with this quirk in the API | |
5037 | * set the flags in both the mask and set for new stations in | |
5038 | * this case. | |
5039 | */ | |
5040 | if (!(params.sta_flags_mask & auth_assoc)) { | |
5041 | params.sta_flags_mask |= auth_assoc; | |
5042 | params.sta_flags_set |= auth_assoc; | |
5043 | } | |
5044 | ||
bdd90d5e JB |
5045 | /* must be last in here for error handling */ |
5046 | params.vlan = get_vlan(info, rdev); | |
5047 | if (IS_ERR(params.vlan)) | |
5048 | return PTR_ERR(params.vlan); | |
5049 | break; | |
5050 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
5051 | /* ignore uAPSD data */ |
5052 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5053 | ||
d582cffb JB |
5054 | /* associated is disallowed */ |
5055 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
5056 | return -EINVAL; | |
bdd90d5e | 5057 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5058 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5059 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
5060 | return -EINVAL; |
5061 | break; | |
5062 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 5063 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
5064 | /* ignore uAPSD data */ |
5065 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5066 | ||
77ee7c89 JB |
5067 | /* these are disallowed */ |
5068 | if (params.sta_flags_mask & | |
5069 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
5070 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 5071 | return -EINVAL; |
bdd90d5e JB |
5072 | /* Only TDLS peers can be added */ |
5073 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
5074 | return -EINVAL; | |
5075 | /* Can only add if TDLS ... */ | |
5076 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
5077 | return -EOPNOTSUPP; | |
5078 | /* ... with external setup is supported */ | |
5079 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
5080 | return -EOPNOTSUPP; | |
77ee7c89 JB |
5081 | /* |
5082 | * Older wpa_supplicant versions always mark the TDLS peer | |
5083 | * as authorized, but it shouldn't yet be. | |
5084 | */ | |
5085 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
5086 | break; |
5087 | default: | |
5088 | return -EOPNOTSUPP; | |
c75786c9 EP |
5089 | } |
5090 | ||
bdd90d5e | 5091 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 5092 | |
e35e4d28 | 5093 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 5094 | |
5727ef1b JB |
5095 | if (params.vlan) |
5096 | dev_put(params.vlan); | |
5727ef1b JB |
5097 | return err; |
5098 | } | |
5099 | ||
5100 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
5101 | { | |
4c476991 JB |
5102 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5103 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
5104 | struct station_del_parameters params; |
5105 | ||
5106 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
5107 | |
5108 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 5109 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 5110 | |
e80cf853 | 5111 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 5112 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 5113 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5114 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5115 | return -EINVAL; | |
5727ef1b | 5116 | |
4c476991 JB |
5117 | if (!rdev->ops->del_station) |
5118 | return -EOPNOTSUPP; | |
3b85875a | 5119 | |
98856866 JM |
5120 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
5121 | params.subtype = | |
5122 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
5123 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
5124 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
5125 | return -EINVAL; | |
5126 | } else { | |
5127 | /* Default to Deauthentication frame */ | |
5128 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
5129 | } | |
5130 | ||
5131 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
5132 | params.reason_code = | |
5133 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
5134 | if (params.reason_code == 0) | |
5135 | return -EINVAL; /* 0 is reserved */ | |
5136 | } else { | |
5137 | /* Default to reason code 2 */ | |
5138 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
5139 | } | |
5140 | ||
89c771e5 | 5141 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
5142 | } |
5143 | ||
15e47304 | 5144 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
5145 | int flags, struct net_device *dev, |
5146 | u8 *dst, u8 *next_hop, | |
5147 | struct mpath_info *pinfo) | |
5148 | { | |
5149 | void *hdr; | |
5150 | struct nlattr *pinfoattr; | |
5151 | ||
1ef4c850 | 5152 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
5153 | if (!hdr) |
5154 | return -1; | |
5155 | ||
9360ffd1 DM |
5156 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5157 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
5158 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
5159 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
5160 | goto nla_put_failure; | |
f5ea9120 | 5161 | |
2ec600d6 LCC |
5162 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
5163 | if (!pinfoattr) | |
5164 | goto nla_put_failure; | |
9360ffd1 DM |
5165 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
5166 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
5167 | pinfo->frame_qlen)) | |
5168 | goto nla_put_failure; | |
5169 | if (((pinfo->filled & MPATH_INFO_SN) && | |
5170 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
5171 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
5172 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
5173 | pinfo->metric)) || | |
5174 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
5175 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
5176 | pinfo->exptime)) || | |
5177 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
5178 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
5179 | pinfo->flags)) || | |
5180 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
5181 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
5182 | pinfo->discovery_timeout)) || | |
5183 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
5184 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
5185 | pinfo->discovery_retries))) | |
5186 | goto nla_put_failure; | |
2ec600d6 LCC |
5187 | |
5188 | nla_nest_end(msg, pinfoattr); | |
5189 | ||
053c095a JB |
5190 | genlmsg_end(msg, hdr); |
5191 | return 0; | |
2ec600d6 LCC |
5192 | |
5193 | nla_put_failure: | |
bc3ed28c TG |
5194 | genlmsg_cancel(msg, hdr); |
5195 | return -EMSGSIZE; | |
2ec600d6 LCC |
5196 | } |
5197 | ||
5198 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 5199 | struct netlink_callback *cb) |
2ec600d6 | 5200 | { |
2ec600d6 | 5201 | struct mpath_info pinfo; |
1b8ec87a | 5202 | struct cfg80211_registered_device *rdev; |
97990a06 | 5203 | struct wireless_dev *wdev; |
2ec600d6 LCC |
5204 | u8 dst[ETH_ALEN]; |
5205 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 5206 | int path_idx = cb->args[2]; |
2ec600d6 | 5207 | int err; |
2ec600d6 | 5208 | |
1b8ec87a | 5209 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5210 | if (err) |
5211 | return err; | |
bba95fef | 5212 | |
1b8ec87a | 5213 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 5214 | err = -EOPNOTSUPP; |
bba95fef JB |
5215 | goto out_err; |
5216 | } | |
5217 | ||
97990a06 | 5218 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 5219 | err = -EOPNOTSUPP; |
0448b5fc | 5220 | goto out_err; |
eec60b03 JM |
5221 | } |
5222 | ||
bba95fef | 5223 | while (1) { |
1b8ec87a | 5224 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 5225 | next_hop, &pinfo); |
bba95fef | 5226 | if (err == -ENOENT) |
2ec600d6 | 5227 | break; |
bba95fef | 5228 | if (err) |
3b85875a | 5229 | goto out_err; |
2ec600d6 | 5230 | |
15e47304 | 5231 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 5232 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 5233 | wdev->netdev, dst, next_hop, |
bba95fef JB |
5234 | &pinfo) < 0) |
5235 | goto out; | |
2ec600d6 | 5236 | |
bba95fef | 5237 | path_idx++; |
2ec600d6 | 5238 | } |
2ec600d6 | 5239 | |
bba95fef | 5240 | out: |
97990a06 | 5241 | cb->args[2] = path_idx; |
bba95fef | 5242 | err = skb->len; |
bba95fef | 5243 | out_err: |
1b8ec87a | 5244 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 5245 | return err; |
2ec600d6 LCC |
5246 | } |
5247 | ||
5248 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
5249 | { | |
4c476991 | 5250 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 5251 | int err; |
4c476991 | 5252 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
5253 | struct mpath_info pinfo; |
5254 | struct sk_buff *msg; | |
5255 | u8 *dst = NULL; | |
5256 | u8 next_hop[ETH_ALEN]; | |
5257 | ||
5258 | memset(&pinfo, 0, sizeof(pinfo)); | |
5259 | ||
5260 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5261 | return -EINVAL; | |
5262 | ||
5263 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5264 | ||
4c476991 JB |
5265 | if (!rdev->ops->get_mpath) |
5266 | return -EOPNOTSUPP; | |
2ec600d6 | 5267 | |
4c476991 JB |
5268 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5269 | return -EOPNOTSUPP; | |
eec60b03 | 5270 | |
e35e4d28 | 5271 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 5272 | if (err) |
4c476991 | 5273 | return err; |
2ec600d6 | 5274 | |
fd2120ca | 5275 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 5276 | if (!msg) |
4c476991 | 5277 | return -ENOMEM; |
2ec600d6 | 5278 | |
15e47304 | 5279 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
5280 | dev, dst, next_hop, &pinfo) < 0) { |
5281 | nlmsg_free(msg); | |
5282 | return -ENOBUFS; | |
5283 | } | |
3b85875a | 5284 | |
4c476991 | 5285 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
5286 | } |
5287 | ||
5288 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
5289 | { | |
4c476991 JB |
5290 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5291 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5292 | u8 *dst = NULL; |
5293 | u8 *next_hop = NULL; | |
5294 | ||
5295 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5296 | return -EINVAL; | |
5297 | ||
5298 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5299 | return -EINVAL; | |
5300 | ||
5301 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5302 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5303 | ||
4c476991 JB |
5304 | if (!rdev->ops->change_mpath) |
5305 | return -EOPNOTSUPP; | |
35a8efe1 | 5306 | |
4c476991 JB |
5307 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5308 | return -EOPNOTSUPP; | |
2ec600d6 | 5309 | |
e35e4d28 | 5310 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 5311 | } |
4c476991 | 5312 | |
2ec600d6 LCC |
5313 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
5314 | { | |
4c476991 JB |
5315 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5316 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5317 | u8 *dst = NULL; |
5318 | u8 *next_hop = NULL; | |
5319 | ||
5320 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5321 | return -EINVAL; | |
5322 | ||
5323 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5324 | return -EINVAL; | |
5325 | ||
5326 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5327 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5328 | ||
4c476991 JB |
5329 | if (!rdev->ops->add_mpath) |
5330 | return -EOPNOTSUPP; | |
35a8efe1 | 5331 | |
4c476991 JB |
5332 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5333 | return -EOPNOTSUPP; | |
2ec600d6 | 5334 | |
e35e4d28 | 5335 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
5336 | } |
5337 | ||
5338 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
5339 | { | |
4c476991 JB |
5340 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5341 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5342 | u8 *dst = NULL; |
5343 | ||
5344 | if (info->attrs[NL80211_ATTR_MAC]) | |
5345 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5346 | ||
4c476991 JB |
5347 | if (!rdev->ops->del_mpath) |
5348 | return -EOPNOTSUPP; | |
3b85875a | 5349 | |
e35e4d28 | 5350 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
5351 | } |
5352 | ||
66be7d2b HR |
5353 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
5354 | { | |
5355 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5356 | int err; | |
5357 | struct net_device *dev = info->user_ptr[1]; | |
5358 | struct mpath_info pinfo; | |
5359 | struct sk_buff *msg; | |
5360 | u8 *dst = NULL; | |
5361 | u8 mpp[ETH_ALEN]; | |
5362 | ||
5363 | memset(&pinfo, 0, sizeof(pinfo)); | |
5364 | ||
5365 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5366 | return -EINVAL; | |
5367 | ||
5368 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5369 | ||
5370 | if (!rdev->ops->get_mpp) | |
5371 | return -EOPNOTSUPP; | |
5372 | ||
5373 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
5374 | return -EOPNOTSUPP; | |
5375 | ||
5376 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
5377 | if (err) | |
5378 | return err; | |
5379 | ||
5380 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5381 | if (!msg) | |
5382 | return -ENOMEM; | |
5383 | ||
5384 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
5385 | dev, dst, mpp, &pinfo) < 0) { | |
5386 | nlmsg_free(msg); | |
5387 | return -ENOBUFS; | |
5388 | } | |
5389 | ||
5390 | return genlmsg_reply(msg, info); | |
5391 | } | |
5392 | ||
5393 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
5394 | struct netlink_callback *cb) | |
5395 | { | |
5396 | struct mpath_info pinfo; | |
5397 | struct cfg80211_registered_device *rdev; | |
5398 | struct wireless_dev *wdev; | |
5399 | u8 dst[ETH_ALEN]; | |
5400 | u8 mpp[ETH_ALEN]; | |
5401 | int path_idx = cb->args[2]; | |
5402 | int err; | |
5403 | ||
5404 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); | |
5405 | if (err) | |
5406 | return err; | |
5407 | ||
5408 | if (!rdev->ops->dump_mpp) { | |
5409 | err = -EOPNOTSUPP; | |
5410 | goto out_err; | |
5411 | } | |
5412 | ||
5413 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
5414 | err = -EOPNOTSUPP; | |
5415 | goto out_err; | |
5416 | } | |
5417 | ||
5418 | while (1) { | |
5419 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
5420 | mpp, &pinfo); | |
5421 | if (err == -ENOENT) | |
5422 | break; | |
5423 | if (err) | |
5424 | goto out_err; | |
5425 | ||
5426 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
5427 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
5428 | wdev->netdev, dst, mpp, | |
5429 | &pinfo) < 0) | |
5430 | goto out; | |
5431 | ||
5432 | path_idx++; | |
5433 | } | |
5434 | ||
5435 | out: | |
5436 | cb->args[2] = path_idx; | |
5437 | err = skb->len; | |
5438 | out_err: | |
5439 | nl80211_finish_wdev_dump(rdev); | |
5440 | return err; | |
5441 | } | |
5442 | ||
9f1ba906 JM |
5443 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
5444 | { | |
4c476991 JB |
5445 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5446 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 5447 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 5448 | struct bss_parameters params; |
c56589ed | 5449 | int err; |
9f1ba906 JM |
5450 | |
5451 | memset(¶ms, 0, sizeof(params)); | |
5452 | /* default to not changing parameters */ | |
5453 | params.use_cts_prot = -1; | |
5454 | params.use_short_preamble = -1; | |
5455 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 5456 | params.ap_isolate = -1; |
50b12f59 | 5457 | params.ht_opmode = -1; |
53cabad7 JB |
5458 | params.p2p_ctwindow = -1; |
5459 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
5460 | |
5461 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
5462 | params.use_cts_prot = | |
5463 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
5464 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
5465 | params.use_short_preamble = | |
5466 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
5467 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
5468 | params.use_short_slot_time = | |
5469 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
5470 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
5471 | params.basic_rates = | |
5472 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5473 | params.basic_rates_len = | |
5474 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5475 | } | |
fd8aaaf3 FF |
5476 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
5477 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
5478 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
5479 | params.ht_opmode = | |
5480 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 5481 | |
53cabad7 JB |
5482 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
5483 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5484 | return -EINVAL; | |
5485 | params.p2p_ctwindow = | |
5486 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
5487 | if (params.p2p_ctwindow < 0) | |
5488 | return -EINVAL; | |
5489 | if (params.p2p_ctwindow != 0 && | |
5490 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
5491 | return -EINVAL; | |
5492 | } | |
5493 | ||
5494 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
5495 | u8 tmp; | |
5496 | ||
5497 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5498 | return -EINVAL; | |
5499 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
5500 | if (tmp > 1) | |
5501 | return -EINVAL; | |
5502 | params.p2p_opp_ps = tmp; | |
5503 | if (params.p2p_opp_ps && | |
5504 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
5505 | return -EINVAL; | |
5506 | } | |
5507 | ||
4c476991 JB |
5508 | if (!rdev->ops->change_bss) |
5509 | return -EOPNOTSUPP; | |
9f1ba906 | 5510 | |
074ac8df | 5511 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
5512 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5513 | return -EOPNOTSUPP; | |
3b85875a | 5514 | |
c56589ed SW |
5515 | wdev_lock(wdev); |
5516 | err = rdev_change_bss(rdev, dev, ¶ms); | |
5517 | wdev_unlock(wdev); | |
5518 | ||
5519 | return err; | |
9f1ba906 JM |
5520 | } |
5521 | ||
b2e1b302 LR |
5522 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
5523 | { | |
b2e1b302 | 5524 | char *data = NULL; |
05050753 | 5525 | bool is_indoor; |
57b5ce07 | 5526 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
5527 | u32 owner_nlportid; |
5528 | ||
80778f18 LR |
5529 | /* |
5530 | * You should only get this when cfg80211 hasn't yet initialized | |
5531 | * completely when built-in to the kernel right between the time | |
5532 | * window between nl80211_init() and regulatory_init(), if that is | |
5533 | * even possible. | |
5534 | */ | |
458f4f9e | 5535 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 5536 | return -EINPROGRESS; |
80778f18 | 5537 | |
57b5ce07 LR |
5538 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
5539 | user_reg_hint_type = | |
5540 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
5541 | else | |
5542 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
5543 | ||
5544 | switch (user_reg_hint_type) { | |
5545 | case NL80211_USER_REG_HINT_USER: | |
5546 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
5547 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
5548 | return -EINVAL; | |
5549 | ||
5550 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5551 | return regulatory_hint_user(data, user_reg_hint_type); | |
5552 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
5553 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
5554 | owner_nlportid = info->snd_portid; | |
5555 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
5556 | } else { | |
5557 | owner_nlportid = 0; | |
5558 | is_indoor = true; | |
5559 | } | |
5560 | ||
5561 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
5562 | default: |
5563 | return -EINVAL; | |
5564 | } | |
b2e1b302 LR |
5565 | } |
5566 | ||
24bdd9f4 | 5567 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 5568 | struct genl_info *info) |
93da9cc1 | 5569 | { |
4c476991 | 5570 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5571 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
5572 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5573 | struct mesh_config cur_params; | |
5574 | int err = 0; | |
93da9cc1 | 5575 | void *hdr; |
5576 | struct nlattr *pinfoattr; | |
5577 | struct sk_buff *msg; | |
5578 | ||
29cbe68c JB |
5579 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5580 | return -EOPNOTSUPP; | |
5581 | ||
24bdd9f4 | 5582 | if (!rdev->ops->get_mesh_config) |
4c476991 | 5583 | return -EOPNOTSUPP; |
f3f92586 | 5584 | |
29cbe68c JB |
5585 | wdev_lock(wdev); |
5586 | /* If not connected, get default parameters */ | |
5587 | if (!wdev->mesh_id_len) | |
5588 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
5589 | else | |
e35e4d28 | 5590 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
5591 | wdev_unlock(wdev); |
5592 | ||
93da9cc1 | 5593 | if (err) |
4c476991 | 5594 | return err; |
93da9cc1 | 5595 | |
5596 | /* Draw up a netlink message to send back */ | |
fd2120ca | 5597 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
5598 | if (!msg) |
5599 | return -ENOMEM; | |
15e47304 | 5600 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 5601 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 5602 | if (!hdr) |
efe1cf0c | 5603 | goto out; |
24bdd9f4 | 5604 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 5605 | if (!pinfoattr) |
5606 | goto nla_put_failure; | |
9360ffd1 DM |
5607 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5608 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
5609 | cur_params.dot11MeshRetryTimeout) || | |
5610 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
5611 | cur_params.dot11MeshConfirmTimeout) || | |
5612 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
5613 | cur_params.dot11MeshHoldingTimeout) || | |
5614 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5615 | cur_params.dot11MeshMaxPeerLinks) || | |
5616 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5617 | cur_params.dot11MeshMaxRetries) || | |
5618 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5619 | cur_params.dot11MeshTTL) || | |
5620 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5621 | cur_params.element_ttl) || | |
5622 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5623 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5624 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5625 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5626 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5627 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5628 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5629 | cur_params.path_refresh_time) || | |
5630 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5631 | cur_params.min_discovery_timeout) || | |
5632 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5633 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5634 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5635 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5636 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5637 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5638 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5639 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5640 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5641 | cur_params.dot11MeshHWMPRootMode) || | |
5642 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5643 | cur_params.dot11MeshHWMPRannInterval) || | |
5644 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5645 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5646 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5647 | cur_params.dot11MeshForwarding) || | |
5648 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
5649 | cur_params.rssi_threshold) || |
5650 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5651 | cur_params.ht_opmode) || |
5652 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5653 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5654 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5655 | cur_params.dot11MeshHWMProotInterval) || |
5656 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5657 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5658 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5659 | cur_params.power_mode) || | |
5660 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5661 | cur_params.dot11MeshAwakeWindowDuration) || |
5662 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5663 | cur_params.plink_timeout)) | |
9360ffd1 | 5664 | goto nla_put_failure; |
93da9cc1 | 5665 | nla_nest_end(msg, pinfoattr); |
5666 | genlmsg_end(msg, hdr); | |
4c476991 | 5667 | return genlmsg_reply(msg, info); |
93da9cc1 | 5668 | |
3b85875a | 5669 | nla_put_failure: |
93da9cc1 | 5670 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5671 | out: |
d080e275 | 5672 | nlmsg_free(msg); |
4c476991 | 5673 | return -ENOBUFS; |
93da9cc1 | 5674 | } |
5675 | ||
b54452b0 | 5676 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5677 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5678 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5679 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5680 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5681 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5682 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5683 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5684 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5685 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5686 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5687 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5688 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5689 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5690 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5691 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5692 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5693 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5694 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5695 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5696 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5697 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5698 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5699 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5700 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5701 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5702 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5703 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5704 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5705 | }; |
5706 | ||
c80d545d JC |
5707 | static const struct nla_policy |
5708 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5709 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5710 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5711 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5712 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5713 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5714 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5715 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5716 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5717 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5718 | }; |
5719 | ||
f151d9db AB |
5720 | static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out) |
5721 | { | |
5722 | u8 val = nla_get_u8(nla); | |
5723 | if (val < min || val > max) | |
5724 | return -EINVAL; | |
5725 | *out = val; | |
5726 | return 0; | |
5727 | } | |
5728 | ||
5729 | static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out) | |
5730 | { | |
5731 | u8 val = nla_get_u8(nla); | |
5732 | if (val < min || val > max) | |
5733 | return -EINVAL; | |
5734 | *out = val; | |
5735 | return 0; | |
5736 | } | |
5737 | ||
5738 | static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out) | |
5739 | { | |
5740 | u16 val = nla_get_u16(nla); | |
5741 | if (val < min || val > max) | |
5742 | return -EINVAL; | |
5743 | *out = val; | |
5744 | return 0; | |
5745 | } | |
5746 | ||
5747 | static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out) | |
5748 | { | |
5749 | u32 val = nla_get_u32(nla); | |
5750 | if (val < min || val > max) | |
5751 | return -EINVAL; | |
5752 | *out = val; | |
5753 | return 0; | |
5754 | } | |
5755 | ||
5756 | static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out) | |
5757 | { | |
5758 | s32 val = nla_get_s32(nla); | |
5759 | if (val < min || val > max) | |
5760 | return -EINVAL; | |
5761 | *out = val; | |
5762 | return 0; | |
5763 | } | |
5764 | ||
ff9a71af JB |
5765 | static int nl80211_check_power_mode(const struct nlattr *nla, |
5766 | enum nl80211_mesh_power_mode min, | |
5767 | enum nl80211_mesh_power_mode max, | |
5768 | enum nl80211_mesh_power_mode *out) | |
5769 | { | |
5770 | u32 val = nla_get_u32(nla); | |
5771 | if (val < min || val > max) | |
5772 | return -EINVAL; | |
5773 | *out = val; | |
5774 | return 0; | |
5775 | } | |
5776 | ||
24bdd9f4 | 5777 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5778 | struct mesh_config *cfg, |
5779 | u32 *mask_out) | |
93da9cc1 | 5780 | { |
93da9cc1 | 5781 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5782 | u32 mask = 0; |
9757235f | 5783 | u16 ht_opmode; |
93da9cc1 | 5784 | |
ea54fba2 MP |
5785 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5786 | do { \ | |
5787 | if (tb[attr]) { \ | |
f151d9db | 5788 | if (fn(tb[attr], min, max, &cfg->param)) \ |
ea54fba2 | 5789 | return -EINVAL; \ |
ea54fba2 MP |
5790 | mask |= (1 << (attr - 1)); \ |
5791 | } \ | |
5792 | } while (0) | |
bd90fdcc | 5793 | |
24bdd9f4 | 5794 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5795 | return -EINVAL; |
5796 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5797 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 5798 | nl80211_meshconf_params_policy)) |
93da9cc1 | 5799 | return -EINVAL; |
5800 | ||
93da9cc1 | 5801 | /* This makes sure that there aren't more than 32 mesh config |
5802 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5803 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5804 | ||
5805 | /* Fill in the params struct */ | |
ea54fba2 | 5806 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea | 5807 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
f151d9db | 5808 | nl80211_check_u16); |
ea54fba2 | 5809 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea | 5810 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
f151d9db | 5811 | nl80211_check_u16); |
ea54fba2 | 5812 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea | 5813 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
f151d9db | 5814 | nl80211_check_u16); |
ea54fba2 | 5815 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea | 5816 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
f151d9db | 5817 | nl80211_check_u16); |
ea54fba2 | 5818 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea | 5819 | mask, NL80211_MESHCONF_MAX_RETRIES, |
f151d9db | 5820 | nl80211_check_u8); |
ea54fba2 | 5821 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
f151d9db | 5822 | mask, NL80211_MESHCONF_TTL, nl80211_check_u8); |
ea54fba2 | 5823 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea | 5824 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
f151d9db | 5825 | nl80211_check_u8); |
ea54fba2 | 5826 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea | 5827 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
f151d9db | 5828 | nl80211_check_bool); |
ea54fba2 MP |
5829 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5830 | 1, 255, mask, | |
a4f606ea | 5831 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
f151d9db | 5832 | nl80211_check_u32); |
ea54fba2 | 5833 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea | 5834 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
f151d9db | 5835 | nl80211_check_u8); |
ea54fba2 | 5836 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea | 5837 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
f151d9db | 5838 | nl80211_check_u32); |
ea54fba2 | 5839 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea | 5840 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
f151d9db | 5841 | nl80211_check_u16); |
ea54fba2 MP |
5842 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5843 | 1, 65535, mask, | |
a4f606ea | 5844 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
f151d9db | 5845 | nl80211_check_u32); |
93da9cc1 | 5846 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5847 | 1, 65535, mask, |
5848 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
f151d9db | 5849 | nl80211_check_u16); |
dca7e943 | 5850 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5851 | 1, 65535, mask, |
5852 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
f151d9db | 5853 | nl80211_check_u16); |
93da9cc1 | 5854 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5855 | dot11MeshHWMPnetDiameterTraversalTime, |
5856 | 1, 65535, mask, | |
a4f606ea | 5857 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
f151d9db | 5858 | nl80211_check_u16); |
ea54fba2 MP |
5859 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5860 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
f151d9db | 5861 | nl80211_check_u8); |
ea54fba2 MP |
5862 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, |
5863 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
f151d9db | 5864 | nl80211_check_u16); |
63c5723b | 5865 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5866 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5867 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
f151d9db | 5868 | nl80211_check_bool); |
ea54fba2 | 5869 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea | 5870 | mask, NL80211_MESHCONF_FORWARDING, |
f151d9db | 5871 | nl80211_check_bool); |
83374fe9 | 5872 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5873 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
f151d9db | 5874 | nl80211_check_s32); |
9757235f MH |
5875 | /* |
5876 | * Check HT operation mode based on | |
5877 | * IEEE 802.11 2012 8.4.2.59 HT Operation element. | |
5878 | */ | |
5879 | if (tb[NL80211_MESHCONF_HT_OPMODE]) { | |
5880 | ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); | |
5881 | ||
5882 | if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | | |
5883 | IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | | |
5884 | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5885 | return -EINVAL; | |
5886 | ||
5887 | if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && | |
5888 | (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5889 | return -EINVAL; | |
5890 | ||
5891 | switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) { | |
5892 | case IEEE80211_HT_OP_MODE_PROTECTION_NONE: | |
5893 | case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: | |
5894 | if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) | |
5895 | return -EINVAL; | |
5896 | break; | |
5897 | case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: | |
5898 | case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: | |
5899 | if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5900 | return -EINVAL; | |
5901 | break; | |
5902 | } | |
5903 | cfg->ht_opmode = ht_opmode; | |
5904 | } | |
ac1073a6 | 5905 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, |
ea54fba2 | 5906 | 1, 65535, mask, |
ac1073a6 | 5907 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
f151d9db | 5908 | nl80211_check_u32); |
ea54fba2 | 5909 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5910 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
f151d9db | 5911 | nl80211_check_u16); |
728b19e5 | 5912 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5913 | dot11MeshHWMPconfirmationInterval, |
5914 | 1, 65535, mask, | |
728b19e5 | 5915 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
f151d9db | 5916 | nl80211_check_u16); |
3b1c5a53 MP |
5917 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5918 | NL80211_MESH_POWER_ACTIVE, | |
5919 | NL80211_MESH_POWER_MAX, | |
5920 | mask, NL80211_MESHCONF_POWER_MODE, | |
ff9a71af | 5921 | nl80211_check_power_mode); |
3b1c5a53 MP |
5922 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, |
5923 | 0, 65535, mask, | |
f151d9db | 5924 | NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16); |
31f909a2 | 5925 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff, |
8e7c0538 | 5926 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, |
f151d9db | 5927 | nl80211_check_u32); |
bd90fdcc JB |
5928 | if (mask_out) |
5929 | *mask_out = mask; | |
c80d545d | 5930 | |
bd90fdcc JB |
5931 | return 0; |
5932 | ||
5933 | #undef FILL_IN_MESH_PARAM_IF_SET | |
5934 | } | |
5935 | ||
c80d545d JC |
5936 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
5937 | struct mesh_setup *setup) | |
5938 | { | |
bb2798d4 | 5939 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
5940 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
5941 | ||
5942 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
5943 | return -EINVAL; | |
5944 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
5945 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
5946 | nl80211_mesh_setup_params_policy)) | |
5947 | return -EINVAL; | |
5948 | ||
d299a1f2 JC |
5949 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
5950 | setup->sync_method = | |
5951 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
5952 | IEEE80211_SYNC_METHOD_VENDOR : | |
5953 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5954 | ||
c80d545d JC |
5955 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5956 | setup->path_sel_proto = | |
5957 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5958 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5959 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5960 | ||
5961 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5962 | setup->path_metric = | |
5963 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5964 | IEEE80211_PATH_METRIC_VENDOR : | |
5965 | IEEE80211_PATH_METRIC_AIRTIME; | |
5966 | ||
581a8b0f | 5967 | if (tb[NL80211_MESH_SETUP_IE]) { |
c80d545d | 5968 | struct nlattr *ieattr = |
581a8b0f | 5969 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5970 | if (!is_valid_ie_attr(ieattr)) |
5971 | return -EINVAL; | |
581a8b0f JC |
5972 | setup->ie = nla_data(ieattr); |
5973 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5974 | } |
bb2798d4 TP |
5975 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5976 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5977 | return -EINVAL; | |
5978 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5979 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5980 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5981 | if (setup->is_secure) |
5982 | setup->user_mpm = true; | |
c80d545d | 5983 | |
6e16d90b CT |
5984 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5985 | if (!setup->user_mpm) | |
5986 | return -EINVAL; | |
5987 | setup->auth_id = | |
5988 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5989 | } | |
5990 | ||
c80d545d JC |
5991 | return 0; |
5992 | } | |
5993 | ||
24bdd9f4 | 5994 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5995 | struct genl_info *info) |
bd90fdcc JB |
5996 | { |
5997 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5998 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5999 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
6000 | struct mesh_config cfg; |
6001 | u32 mask; | |
6002 | int err; | |
6003 | ||
29cbe68c JB |
6004 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
6005 | return -EOPNOTSUPP; | |
6006 | ||
24bdd9f4 | 6007 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
6008 | return -EOPNOTSUPP; |
6009 | ||
24bdd9f4 | 6010 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
6011 | if (err) |
6012 | return err; | |
6013 | ||
29cbe68c JB |
6014 | wdev_lock(wdev); |
6015 | if (!wdev->mesh_id_len) | |
6016 | err = -ENOLINK; | |
6017 | ||
6018 | if (!err) | |
e35e4d28 | 6019 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
6020 | |
6021 | wdev_unlock(wdev); | |
6022 | ||
6023 | return err; | |
93da9cc1 | 6024 | } |
6025 | ||
ad30ca2c AN |
6026 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
6027 | struct sk_buff *msg) | |
f130347c | 6028 | { |
f130347c LR |
6029 | struct nlattr *nl_reg_rules; |
6030 | unsigned int i; | |
f130347c | 6031 | |
458f4f9e JB |
6032 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
6033 | (regdom->dfs_region && | |
6034 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 6035 | goto nla_put_failure; |
458f4f9e | 6036 | |
f130347c LR |
6037 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
6038 | if (!nl_reg_rules) | |
ad30ca2c | 6039 | goto nla_put_failure; |
f130347c | 6040 | |
458f4f9e | 6041 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
6042 | struct nlattr *nl_reg_rule; |
6043 | const struct ieee80211_reg_rule *reg_rule; | |
6044 | const struct ieee80211_freq_range *freq_range; | |
6045 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 6046 | unsigned int max_bandwidth_khz; |
f130347c | 6047 | |
458f4f9e | 6048 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
6049 | freq_range = ®_rule->freq_range; |
6050 | power_rule = ®_rule->power_rule; | |
6051 | ||
6052 | nl_reg_rule = nla_nest_start(msg, i); | |
6053 | if (!nl_reg_rule) | |
ad30ca2c | 6054 | goto nla_put_failure; |
f130347c | 6055 | |
97524820 JD |
6056 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
6057 | if (!max_bandwidth_khz) | |
6058 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
6059 | reg_rule); | |
6060 | ||
9360ffd1 DM |
6061 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
6062 | reg_rule->flags) || | |
6063 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
6064 | freq_range->start_freq_khz) || | |
6065 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
6066 | freq_range->end_freq_khz) || | |
6067 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 6068 | max_bandwidth_khz) || |
9360ffd1 DM |
6069 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
6070 | power_rule->max_antenna_gain) || | |
6071 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
6072 | power_rule->max_eirp) || |
6073 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
6074 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 6075 | goto nla_put_failure; |
f130347c LR |
6076 | |
6077 | nla_nest_end(msg, nl_reg_rule); | |
6078 | } | |
6079 | ||
6080 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
6081 | return 0; |
6082 | ||
6083 | nla_put_failure: | |
6084 | return -EMSGSIZE; | |
6085 | } | |
6086 | ||
6087 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
6088 | { | |
6089 | const struct ieee80211_regdomain *regdom = NULL; | |
6090 | struct cfg80211_registered_device *rdev; | |
6091 | struct wiphy *wiphy = NULL; | |
6092 | struct sk_buff *msg; | |
6093 | void *hdr; | |
6094 | ||
6095 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6096 | if (!msg) | |
6097 | return -ENOBUFS; | |
6098 | ||
6099 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
6100 | NL80211_CMD_GET_REG); | |
6101 | if (!hdr) | |
6102 | goto put_failure; | |
6103 | ||
6104 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
1bdd716c AN |
6105 | bool self_managed; |
6106 | ||
ad30ca2c AN |
6107 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
6108 | if (IS_ERR(rdev)) { | |
6109 | nlmsg_free(msg); | |
6110 | return PTR_ERR(rdev); | |
6111 | } | |
6112 | ||
6113 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
6114 | self_managed = wiphy->regulatory_flags & |
6115 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
6116 | regdom = get_wiphy_regdom(wiphy); |
6117 | ||
1bdd716c AN |
6118 | /* a self-managed-reg device must have a private regdom */ |
6119 | if (WARN_ON(!regdom && self_managed)) { | |
6120 | nlmsg_free(msg); | |
6121 | return -EINVAL; | |
6122 | } | |
6123 | ||
ad30ca2c AN |
6124 | if (regdom && |
6125 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6126 | goto nla_put_failure; | |
6127 | } | |
6128 | ||
6129 | if (!wiphy && reg_last_request_cell_base() && | |
6130 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6131 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6132 | goto nla_put_failure; | |
6133 | ||
6134 | rcu_read_lock(); | |
6135 | ||
6136 | if (!regdom) | |
6137 | regdom = rcu_dereference(cfg80211_regdomain); | |
6138 | ||
6139 | if (nl80211_put_regdom(regdom, msg)) | |
6140 | goto nla_put_failure_rcu; | |
6141 | ||
6142 | rcu_read_unlock(); | |
f130347c LR |
6143 | |
6144 | genlmsg_end(msg, hdr); | |
5fe231e8 | 6145 | return genlmsg_reply(msg, info); |
f130347c | 6146 | |
458f4f9e JB |
6147 | nla_put_failure_rcu: |
6148 | rcu_read_unlock(); | |
f130347c LR |
6149 | nla_put_failure: |
6150 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 6151 | put_failure: |
d080e275 | 6152 | nlmsg_free(msg); |
5fe231e8 | 6153 | return -EMSGSIZE; |
f130347c LR |
6154 | } |
6155 | ||
ad30ca2c AN |
6156 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
6157 | u32 seq, int flags, struct wiphy *wiphy, | |
6158 | const struct ieee80211_regdomain *regdom) | |
6159 | { | |
6160 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
6161 | NL80211_CMD_GET_REG); | |
6162 | ||
6163 | if (!hdr) | |
6164 | return -1; | |
6165 | ||
6166 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); | |
6167 | ||
6168 | if (nl80211_put_regdom(regdom, msg)) | |
6169 | goto nla_put_failure; | |
6170 | ||
6171 | if (!wiphy && reg_last_request_cell_base() && | |
6172 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6173 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6174 | goto nla_put_failure; | |
6175 | ||
6176 | if (wiphy && | |
6177 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6178 | goto nla_put_failure; | |
6179 | ||
1bdd716c AN |
6180 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
6181 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
6182 | goto nla_put_failure; | |
6183 | ||
053c095a JB |
6184 | genlmsg_end(msg, hdr); |
6185 | return 0; | |
ad30ca2c AN |
6186 | |
6187 | nla_put_failure: | |
6188 | genlmsg_cancel(msg, hdr); | |
6189 | return -EMSGSIZE; | |
6190 | } | |
6191 | ||
6192 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
6193 | struct netlink_callback *cb) | |
6194 | { | |
6195 | const struct ieee80211_regdomain *regdom = NULL; | |
6196 | struct cfg80211_registered_device *rdev; | |
6197 | int err, reg_idx, start = cb->args[2]; | |
6198 | ||
6199 | rtnl_lock(); | |
6200 | ||
6201 | if (cfg80211_regdomain && start == 0) { | |
6202 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6203 | NLM_F_MULTI, NULL, | |
6204 | rtnl_dereference(cfg80211_regdomain)); | |
6205 | if (err < 0) | |
6206 | goto out_err; | |
6207 | } | |
6208 | ||
6209 | /* the global regdom is idx 0 */ | |
6210 | reg_idx = 1; | |
6211 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
6212 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
6213 | if (!regdom) | |
6214 | continue; | |
6215 | ||
6216 | if (++reg_idx <= start) | |
6217 | continue; | |
6218 | ||
6219 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6220 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
6221 | if (err < 0) { | |
6222 | reg_idx--; | |
6223 | break; | |
6224 | } | |
6225 | } | |
6226 | ||
6227 | cb->args[2] = reg_idx; | |
6228 | err = skb->len; | |
6229 | out_err: | |
6230 | rtnl_unlock(); | |
6231 | return err; | |
6232 | } | |
6233 | ||
b6863036 JB |
6234 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
6235 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
6236 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
6237 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
6238 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
6239 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
6240 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
6241 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
6242 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, | |
6243 | }; | |
6244 | ||
6245 | static int parse_reg_rule(struct nlattr *tb[], | |
6246 | struct ieee80211_reg_rule *reg_rule) | |
6247 | { | |
6248 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
6249 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
6250 | ||
6251 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
6252 | return -EINVAL; | |
6253 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
6254 | return -EINVAL; | |
6255 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
6256 | return -EINVAL; | |
6257 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
6258 | return -EINVAL; | |
6259 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
6260 | return -EINVAL; | |
6261 | ||
6262 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
6263 | ||
6264 | freq_range->start_freq_khz = | |
6265 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
6266 | freq_range->end_freq_khz = | |
6267 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
6268 | freq_range->max_bandwidth_khz = | |
6269 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
6270 | ||
6271 | power_rule->max_eirp = | |
6272 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
6273 | ||
6274 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
6275 | power_rule->max_antenna_gain = | |
6276 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
6277 | ||
6278 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) | |
6279 | reg_rule->dfs_cac_ms = | |
6280 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
6281 | ||
6282 | return 0; | |
6283 | } | |
6284 | ||
b2e1b302 LR |
6285 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
6286 | { | |
6287 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
6288 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
6289 | char *alpha2; |
6290 | int rem_reg_rules, r; | |
b2e1b302 | 6291 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 6292 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 6293 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
6294 | |
6295 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
6296 | return -EINVAL; | |
6297 | ||
6298 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
6299 | return -EINVAL; | |
6300 | ||
6301 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
6302 | ||
8b60b078 LR |
6303 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
6304 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
6305 | ||
b2e1b302 | 6306 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6307 | rem_reg_rules) { |
b2e1b302 LR |
6308 | num_rules++; |
6309 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 6310 | return -EINVAL; |
b2e1b302 LR |
6311 | } |
6312 | ||
e438768f LR |
6313 | if (!reg_is_valid_request(alpha2)) |
6314 | return -EINVAL; | |
6315 | ||
b2e1b302 | 6316 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 6317 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
6318 | |
6319 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
6320 | if (!rd) |
6321 | return -ENOMEM; | |
b2e1b302 LR |
6322 | |
6323 | rd->n_reg_rules = num_rules; | |
6324 | rd->alpha2[0] = alpha2[0]; | |
6325 | rd->alpha2[1] = alpha2[1]; | |
6326 | ||
8b60b078 LR |
6327 | /* |
6328 | * Disable DFS master mode if the DFS region was | |
6329 | * not supported or known on this kernel. | |
6330 | */ | |
6331 | if (reg_supported_dfs_region(dfs_region)) | |
6332 | rd->dfs_region = dfs_region; | |
6333 | ||
b2e1b302 | 6334 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6335 | rem_reg_rules) { |
bfe2c7b1 JB |
6336 | r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX, |
6337 | nl_reg_rule, reg_rule_policy); | |
ae811e21 JB |
6338 | if (r) |
6339 | goto bad_reg; | |
b2e1b302 LR |
6340 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
6341 | if (r) | |
6342 | goto bad_reg; | |
6343 | ||
6344 | rule_idx++; | |
6345 | ||
d0e18f83 LR |
6346 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
6347 | r = -EINVAL; | |
b2e1b302 | 6348 | goto bad_reg; |
d0e18f83 | 6349 | } |
b2e1b302 LR |
6350 | } |
6351 | ||
06627990 JB |
6352 | /* set_regdom takes ownership of rd */ |
6353 | return set_regdom(rd, REGD_SOURCE_CRDA); | |
d2372b31 | 6354 | bad_reg: |
b2e1b302 | 6355 | kfree(rd); |
d0e18f83 | 6356 | return r; |
b2e1b302 | 6357 | } |
b6863036 | 6358 | #endif /* CONFIG_CFG80211_CRDA_SUPPORT */ |
b2e1b302 | 6359 | |
83f5e2cf JB |
6360 | static int validate_scan_freqs(struct nlattr *freqs) |
6361 | { | |
6362 | struct nlattr *attr1, *attr2; | |
6363 | int n_channels = 0, tmp1, tmp2; | |
6364 | ||
6365 | nla_for_each_nested(attr1, freqs, tmp1) { | |
6366 | n_channels++; | |
6367 | /* | |
6368 | * Some hardware has a limited channel list for | |
6369 | * scanning, and it is pretty much nonsensical | |
6370 | * to scan for a channel twice, so disallow that | |
6371 | * and don't require drivers to check that the | |
6372 | * channel list they get isn't longer than what | |
6373 | * they can scan, as long as they can scan all | |
6374 | * the channels they registered at once. | |
6375 | */ | |
6376 | nla_for_each_nested(attr2, freqs, tmp2) | |
6377 | if (attr1 != attr2 && | |
6378 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
6379 | return 0; | |
6380 | } | |
6381 | ||
6382 | return n_channels; | |
6383 | } | |
6384 | ||
57fbcce3 | 6385 | static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b) |
38de03d2 | 6386 | { |
57fbcce3 | 6387 | return b < NUM_NL80211_BANDS && wiphy->bands[b]; |
38de03d2 AS |
6388 | } |
6389 | ||
6390 | static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, | |
6391 | struct cfg80211_bss_selection *bss_select) | |
6392 | { | |
6393 | struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1]; | |
6394 | struct nlattr *nest; | |
6395 | int err; | |
6396 | bool found = false; | |
6397 | int i; | |
6398 | ||
6399 | /* only process one nested attribute */ | |
6400 | nest = nla_data(nla); | |
6401 | if (!nla_ok(nest, nla_len(nest))) | |
6402 | return -EINVAL; | |
6403 | ||
bfe2c7b1 JB |
6404 | err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest, |
6405 | nl80211_bss_select_policy); | |
38de03d2 AS |
6406 | if (err) |
6407 | return err; | |
6408 | ||
6409 | /* only one attribute may be given */ | |
6410 | for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) { | |
6411 | if (attr[i]) { | |
6412 | if (found) | |
6413 | return -EINVAL; | |
6414 | found = true; | |
6415 | } | |
6416 | } | |
6417 | ||
6418 | bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID; | |
6419 | ||
6420 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI]) | |
6421 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI; | |
6422 | ||
6423 | if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) { | |
6424 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF; | |
6425 | bss_select->param.band_pref = | |
6426 | nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]); | |
6427 | if (!is_band_valid(wiphy, bss_select->param.band_pref)) | |
6428 | return -EINVAL; | |
6429 | } | |
6430 | ||
6431 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) { | |
6432 | struct nl80211_bss_select_rssi_adjust *adj_param; | |
6433 | ||
6434 | adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]); | |
6435 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST; | |
6436 | bss_select->param.adjust.band = adj_param->band; | |
6437 | bss_select->param.adjust.delta = adj_param->delta; | |
6438 | if (!is_band_valid(wiphy, bss_select->param.adjust.band)) | |
6439 | return -EINVAL; | |
6440 | } | |
6441 | ||
6442 | /* user-space did not provide behaviour attribute */ | |
6443 | if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID) | |
6444 | return -EINVAL; | |
6445 | ||
6446 | if (!(wiphy->bss_select_support & BIT(bss_select->behaviour))) | |
6447 | return -EINVAL; | |
6448 | ||
6449 | return 0; | |
6450 | } | |
6451 | ||
ad2b26ab JB |
6452 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
6453 | u8 *mac_addr, u8 *mac_addr_mask) | |
6454 | { | |
6455 | int i; | |
6456 | ||
6457 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
6458 | eth_zero_addr(mac_addr); |
6459 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
6460 | mac_addr[0] = 0x2; |
6461 | mac_addr_mask[0] = 0x3; | |
6462 | ||
6463 | return 0; | |
6464 | } | |
6465 | ||
6466 | /* need both or none */ | |
6467 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
6468 | return -EINVAL; | |
6469 | ||
6470 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
6471 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
6472 | ||
6473 | /* don't allow or configure an mcast address */ | |
6474 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
6475 | is_multicast_ether_addr(mac_addr)) | |
6476 | return -EINVAL; | |
6477 | ||
6478 | /* | |
6479 | * allow users to pass a MAC address that has bits set outside | |
6480 | * of the mask, but don't bother drivers with having to deal | |
6481 | * with such bits | |
6482 | */ | |
6483 | for (i = 0; i < ETH_ALEN; i++) | |
6484 | mac_addr[i] &= mac_addr_mask[i]; | |
6485 | ||
6486 | return 0; | |
6487 | } | |
6488 | ||
2a519311 JB |
6489 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
6490 | { | |
4c476991 | 6491 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 6492 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 6493 | struct cfg80211_scan_request *request; |
2a519311 JB |
6494 | struct nlattr *attr; |
6495 | struct wiphy *wiphy; | |
83f5e2cf | 6496 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 6497 | size_t ie_len; |
2a519311 | 6498 | |
f4a11bb0 JB |
6499 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6500 | return -EINVAL; | |
6501 | ||
79c97e97 | 6502 | wiphy = &rdev->wiphy; |
2a519311 | 6503 | |
cb3b7d87 AB |
6504 | if (wdev->iftype == NL80211_IFTYPE_NAN) |
6505 | return -EOPNOTSUPP; | |
6506 | ||
4c476991 JB |
6507 | if (!rdev->ops->scan) |
6508 | return -EOPNOTSUPP; | |
2a519311 | 6509 | |
f9d15d16 | 6510 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
6511 | err = -EBUSY; |
6512 | goto unlock; | |
6513 | } | |
2a519311 JB |
6514 | |
6515 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
6516 | n_channels = validate_scan_freqs( |
6517 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
6518 | if (!n_channels) { |
6519 | err = -EINVAL; | |
6520 | goto unlock; | |
6521 | } | |
2a519311 | 6522 | } else { |
bdfbec2d | 6523 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
6524 | } |
6525 | ||
6526 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
6527 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
6528 | n_ssids++; | |
6529 | ||
f9f47529 JB |
6530 | if (n_ssids > wiphy->max_scan_ssids) { |
6531 | err = -EINVAL; | |
6532 | goto unlock; | |
6533 | } | |
2a519311 | 6534 | |
70692ad2 JM |
6535 | if (info->attrs[NL80211_ATTR_IE]) |
6536 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6537 | else | |
6538 | ie_len = 0; | |
6539 | ||
f9f47529 JB |
6540 | if (ie_len > wiphy->max_scan_ie_len) { |
6541 | err = -EINVAL; | |
6542 | goto unlock; | |
6543 | } | |
18a83659 | 6544 | |
2a519311 | 6545 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
6546 | + sizeof(*request->ssids) * n_ssids |
6547 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 6548 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
6549 | if (!request) { |
6550 | err = -ENOMEM; | |
6551 | goto unlock; | |
6552 | } | |
2a519311 | 6553 | |
2a519311 | 6554 | if (n_ssids) |
5ba63533 | 6555 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 6556 | request->n_ssids = n_ssids; |
70692ad2 | 6557 | if (ie_len) { |
13874e4b | 6558 | if (n_ssids) |
70692ad2 JM |
6559 | request->ie = (void *)(request->ssids + n_ssids); |
6560 | else | |
6561 | request->ie = (void *)(request->channels + n_channels); | |
6562 | } | |
2a519311 | 6563 | |
584991dc | 6564 | i = 0; |
2a519311 JB |
6565 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
6566 | /* user specified, bail out if channel not found */ | |
2a519311 | 6567 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
6568 | struct ieee80211_channel *chan; |
6569 | ||
6570 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6571 | ||
6572 | if (!chan) { | |
2a519311 JB |
6573 | err = -EINVAL; |
6574 | goto out_free; | |
6575 | } | |
584991dc JB |
6576 | |
6577 | /* ignore disabled channels */ | |
6578 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6579 | continue; | |
6580 | ||
6581 | request->channels[i] = chan; | |
2a519311 JB |
6582 | i++; |
6583 | } | |
6584 | } else { | |
57fbcce3 | 6585 | enum nl80211_band band; |
34850ab2 | 6586 | |
2a519311 | 6587 | /* all channels */ |
57fbcce3 | 6588 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
2a519311 | 6589 | int j; |
7a087e74 | 6590 | |
2a519311 JB |
6591 | if (!wiphy->bands[band]) |
6592 | continue; | |
6593 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
6594 | struct ieee80211_channel *chan; |
6595 | ||
6596 | chan = &wiphy->bands[band]->channels[j]; | |
6597 | ||
6598 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6599 | continue; | |
6600 | ||
6601 | request->channels[i] = chan; | |
2a519311 JB |
6602 | i++; |
6603 | } | |
6604 | } | |
6605 | } | |
6606 | ||
584991dc JB |
6607 | if (!i) { |
6608 | err = -EINVAL; | |
6609 | goto out_free; | |
6610 | } | |
6611 | ||
6612 | request->n_channels = i; | |
6613 | ||
2a519311 | 6614 | i = 0; |
13874e4b | 6615 | if (n_ssids) { |
2a519311 | 6616 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 6617 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
6618 | err = -EINVAL; |
6619 | goto out_free; | |
6620 | } | |
57a27e1d | 6621 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 6622 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
6623 | i++; |
6624 | } | |
6625 | } | |
6626 | ||
70692ad2 JM |
6627 | if (info->attrs[NL80211_ATTR_IE]) { |
6628 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
6629 | memcpy((void *)request->ie, |
6630 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
6631 | request->ie_len); |
6632 | } | |
6633 | ||
57fbcce3 | 6634 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
a401d2bb JB |
6635 | if (wiphy->bands[i]) |
6636 | request->rates[i] = | |
6637 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
6638 | |
6639 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
6640 | nla_for_each_nested(attr, | |
6641 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
6642 | tmp) { | |
57fbcce3 | 6643 | enum nl80211_band band = nla_type(attr); |
34850ab2 | 6644 | |
57fbcce3 | 6645 | if (band < 0 || band >= NUM_NL80211_BANDS) { |
34850ab2 JB |
6646 | err = -EINVAL; |
6647 | goto out_free; | |
6648 | } | |
1b09cd82 FF |
6649 | |
6650 | if (!wiphy->bands[band]) | |
6651 | continue; | |
6652 | ||
34850ab2 JB |
6653 | err = ieee80211_get_ratemask(wiphy->bands[band], |
6654 | nla_data(attr), | |
6655 | nla_len(attr), | |
6656 | &request->rates[band]); | |
6657 | if (err) | |
6658 | goto out_free; | |
6659 | } | |
6660 | } | |
6661 | ||
1d76250b AS |
6662 | if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { |
6663 | if (!wiphy_ext_feature_isset(wiphy, | |
6664 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) { | |
6665 | err = -EOPNOTSUPP; | |
6666 | goto out_free; | |
6667 | } | |
6668 | ||
6669 | request->duration = | |
6670 | nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); | |
6671 | request->duration_mandatory = | |
6672 | nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); | |
6673 | } | |
6674 | ||
46856bbf | 6675 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
6676 | request->flags = nla_get_u32( |
6677 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
6678 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6679 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6680 | err = -EOPNOTSUPP; |
6681 | goto out_free; | |
6682 | } | |
ad2b26ab JB |
6683 | |
6684 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6685 | if (!(wiphy->features & | |
6686 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) { | |
6687 | err = -EOPNOTSUPP; | |
6688 | goto out_free; | |
6689 | } | |
6690 | ||
6691 | if (wdev->current_bss) { | |
6692 | err = -EOPNOTSUPP; | |
6693 | goto out_free; | |
6694 | } | |
6695 | ||
6696 | err = nl80211_parse_random_mac(info->attrs, | |
6697 | request->mac_addr, | |
6698 | request->mac_addr_mask); | |
6699 | if (err) | |
6700 | goto out_free; | |
6701 | } | |
46856bbf | 6702 | } |
ed473771 | 6703 | |
e9f935e3 RM |
6704 | request->no_cck = |
6705 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
6706 | ||
2fa436b3 VK |
6707 | /* Initial implementation used NL80211_ATTR_MAC to set the specific |
6708 | * BSSID to scan for. This was problematic because that same attribute | |
6709 | * was already used for another purpose (local random MAC address). The | |
6710 | * NL80211_ATTR_BSSID attribute was added to fix this. For backwards | |
6711 | * compatibility with older userspace components, also use the | |
6712 | * NL80211_ATTR_MAC value here if it can be determined to be used for | |
6713 | * the specific BSSID use case instead of the random MAC address | |
6714 | * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use). | |
6715 | */ | |
6716 | if (info->attrs[NL80211_ATTR_BSSID]) | |
6717 | memcpy(request->bssid, | |
6718 | nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN); | |
6719 | else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) && | |
6720 | info->attrs[NL80211_ATTR_MAC]) | |
818965d3 JM |
6721 | memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), |
6722 | ETH_ALEN); | |
6723 | else | |
6724 | eth_broadcast_addr(request->bssid); | |
6725 | ||
fd014284 | 6726 | request->wdev = wdev; |
79c97e97 | 6727 | request->wiphy = &rdev->wiphy; |
15d6030b | 6728 | request->scan_start = jiffies; |
2a519311 | 6729 | |
79c97e97 | 6730 | rdev->scan_req = request; |
e35e4d28 | 6731 | err = rdev_scan(rdev, request); |
2a519311 | 6732 | |
463d0183 | 6733 | if (!err) { |
fd014284 JB |
6734 | nl80211_send_scan_start(rdev, wdev); |
6735 | if (wdev->netdev) | |
6736 | dev_hold(wdev->netdev); | |
4c476991 | 6737 | } else { |
2a519311 | 6738 | out_free: |
79c97e97 | 6739 | rdev->scan_req = NULL; |
2a519311 JB |
6740 | kfree(request); |
6741 | } | |
3b85875a | 6742 | |
f9f47529 | 6743 | unlock: |
2a519311 JB |
6744 | return err; |
6745 | } | |
6746 | ||
91d3ab46 VK |
6747 | static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) |
6748 | { | |
6749 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6750 | struct wireless_dev *wdev = info->user_ptr[1]; | |
6751 | ||
6752 | if (!rdev->ops->abort_scan) | |
6753 | return -EOPNOTSUPP; | |
6754 | ||
6755 | if (rdev->scan_msg) | |
6756 | return 0; | |
6757 | ||
6758 | if (!rdev->scan_req) | |
6759 | return -ENOENT; | |
6760 | ||
6761 | rdev_abort_scan(rdev, wdev); | |
6762 | return 0; | |
6763 | } | |
6764 | ||
3b06d277 AS |
6765 | static int |
6766 | nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, | |
6767 | struct cfg80211_sched_scan_request *request, | |
6768 | struct nlattr **attrs) | |
6769 | { | |
6770 | int tmp, err, i = 0; | |
6771 | struct nlattr *attr; | |
6772 | ||
6773 | if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { | |
6774 | u32 interval; | |
6775 | ||
6776 | /* | |
6777 | * If scan plans are not specified, | |
6778 | * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this | |
6779 | * case one scan plan will be set with the specified scan | |
6780 | * interval and infinite number of iterations. | |
6781 | */ | |
6782 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6783 | return -EINVAL; | |
6784 | ||
6785 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
6786 | if (!interval) | |
6787 | return -EINVAL; | |
6788 | ||
6789 | request->scan_plans[0].interval = | |
6790 | DIV_ROUND_UP(interval, MSEC_PER_SEC); | |
6791 | if (!request->scan_plans[0].interval) | |
6792 | return -EINVAL; | |
6793 | ||
6794 | if (request->scan_plans[0].interval > | |
6795 | wiphy->max_sched_scan_plan_interval) | |
6796 | request->scan_plans[0].interval = | |
6797 | wiphy->max_sched_scan_plan_interval; | |
6798 | ||
6799 | return 0; | |
6800 | } | |
6801 | ||
6802 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) { | |
6803 | struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1]; | |
6804 | ||
6805 | if (WARN_ON(i >= n_plans)) | |
6806 | return -EINVAL; | |
6807 | ||
bfe2c7b1 JB |
6808 | err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX, |
6809 | attr, nl80211_plan_policy); | |
3b06d277 AS |
6810 | if (err) |
6811 | return err; | |
6812 | ||
6813 | if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]) | |
6814 | return -EINVAL; | |
6815 | ||
6816 | request->scan_plans[i].interval = | |
6817 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]); | |
6818 | if (!request->scan_plans[i].interval || | |
6819 | request->scan_plans[i].interval > | |
6820 | wiphy->max_sched_scan_plan_interval) | |
6821 | return -EINVAL; | |
6822 | ||
6823 | if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) { | |
6824 | request->scan_plans[i].iterations = | |
6825 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]); | |
6826 | if (!request->scan_plans[i].iterations || | |
6827 | (request->scan_plans[i].iterations > | |
6828 | wiphy->max_sched_scan_plan_iterations)) | |
6829 | return -EINVAL; | |
6830 | } else if (i < n_plans - 1) { | |
6831 | /* | |
6832 | * All scan plans but the last one must specify | |
6833 | * a finite number of iterations | |
6834 | */ | |
6835 | return -EINVAL; | |
6836 | } | |
6837 | ||
6838 | i++; | |
6839 | } | |
6840 | ||
6841 | /* | |
6842 | * The last scan plan must not specify the number of | |
6843 | * iterations, it is supposed to run infinitely | |
6844 | */ | |
6845 | if (request->scan_plans[n_plans - 1].iterations) | |
6846 | return -EINVAL; | |
6847 | ||
6848 | return 0; | |
6849 | } | |
6850 | ||
256da02d | 6851 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 6852 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
256da02d | 6853 | struct nlattr **attrs) |
807f8a8c LC |
6854 | { |
6855 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 6856 | struct nlattr *attr; |
3b06d277 | 6857 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0; |
57fbcce3 | 6858 | enum nl80211_band band; |
807f8a8c | 6859 | size_t ie_len; |
a1f1c21c | 6860 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 6861 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 6862 | |
256da02d LC |
6863 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
6864 | return ERR_PTR(-EINVAL); | |
807f8a8c | 6865 | |
256da02d | 6866 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 6867 | n_channels = validate_scan_freqs( |
256da02d | 6868 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 6869 | if (!n_channels) |
256da02d | 6870 | return ERR_PTR(-EINVAL); |
807f8a8c | 6871 | } else { |
bdfbec2d | 6872 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
6873 | } |
6874 | ||
256da02d LC |
6875 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
6876 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
6877 | tmp) |
6878 | n_ssids++; | |
6879 | ||
93b6aa69 | 6880 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 6881 | return ERR_PTR(-EINVAL); |
807f8a8c | 6882 | |
ea73cbce JB |
6883 | /* |
6884 | * First, count the number of 'real' matchsets. Due to an issue with | |
6885 | * the old implementation, matchsets containing only the RSSI attribute | |
6886 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
6887 | * RSSI for all matchsets, rather than their own matchset for reporting | |
6888 | * all APs with a strong RSSI. This is needed to be compatible with | |
6889 | * older userspace that treated a matchset with only the RSSI as the | |
6890 | * global RSSI for all other matchsets - if there are other matchsets. | |
6891 | */ | |
256da02d | 6892 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 6893 | nla_for_each_nested(attr, |
256da02d | 6894 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
6895 | tmp) { |
6896 | struct nlattr *rssi; | |
6897 | ||
bfe2c7b1 JB |
6898 | err = nla_parse_nested(tb, |
6899 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
6900 | attr, nl80211_match_policy); | |
ea73cbce | 6901 | if (err) |
256da02d | 6902 | return ERR_PTR(err); |
ea73cbce JB |
6903 | /* add other standalone attributes here */ |
6904 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
6905 | n_match_sets++; | |
6906 | continue; | |
6907 | } | |
6908 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
6909 | if (rssi) | |
6910 | default_match_rssi = nla_get_s32(rssi); | |
6911 | } | |
6912 | } | |
6913 | ||
6914 | /* However, if there's no other matchset, add the RSSI one */ | |
6915 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
6916 | n_match_sets = 1; | |
a1f1c21c LC |
6917 | |
6918 | if (n_match_sets > wiphy->max_match_sets) | |
256da02d | 6919 | return ERR_PTR(-EINVAL); |
a1f1c21c | 6920 | |
256da02d LC |
6921 | if (attrs[NL80211_ATTR_IE]) |
6922 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
6923 | else |
6924 | ie_len = 0; | |
6925 | ||
5a865bad | 6926 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 6927 | return ERR_PTR(-EINVAL); |
c10841ca | 6928 | |
3b06d277 AS |
6929 | if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { |
6930 | /* | |
6931 | * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since | |
6932 | * each scan plan already specifies its own interval | |
6933 | */ | |
6934 | if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6935 | return ERR_PTR(-EINVAL); | |
6936 | ||
6937 | nla_for_each_nested(attr, | |
6938 | attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) | |
6939 | n_plans++; | |
6940 | } else { | |
6941 | /* | |
6942 | * The scan interval attribute is kept for backward | |
6943 | * compatibility. If no scan plans are specified and sched scan | |
6944 | * interval is specified, one scan plan will be set with this | |
6945 | * scan interval and infinite number of iterations. | |
6946 | */ | |
6947 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6948 | return ERR_PTR(-EINVAL); | |
6949 | ||
6950 | n_plans = 1; | |
6951 | } | |
6952 | ||
6953 | if (!n_plans || n_plans > wiphy->max_sched_scan_plans) | |
6954 | return ERR_PTR(-EINVAL); | |
6955 | ||
807f8a8c | 6956 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 6957 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 6958 | + sizeof(*request->match_sets) * n_match_sets |
3b06d277 | 6959 | + sizeof(*request->scan_plans) * n_plans |
a2cd43c5 | 6960 | + sizeof(*request->channels) * n_channels |
807f8a8c | 6961 | + ie_len, GFP_KERNEL); |
256da02d LC |
6962 | if (!request) |
6963 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
6964 | |
6965 | if (n_ssids) | |
6966 | request->ssids = (void *)&request->channels[n_channels]; | |
6967 | request->n_ssids = n_ssids; | |
6968 | if (ie_len) { | |
13874e4b | 6969 | if (n_ssids) |
807f8a8c LC |
6970 | request->ie = (void *)(request->ssids + n_ssids); |
6971 | else | |
6972 | request->ie = (void *)(request->channels + n_channels); | |
6973 | } | |
6974 | ||
a1f1c21c LC |
6975 | if (n_match_sets) { |
6976 | if (request->ie) | |
6977 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 6978 | else if (n_ssids) |
a1f1c21c LC |
6979 | request->match_sets = |
6980 | (void *)(request->ssids + n_ssids); | |
6981 | else | |
6982 | request->match_sets = | |
6983 | (void *)(request->channels + n_channels); | |
6984 | } | |
6985 | request->n_match_sets = n_match_sets; | |
6986 | ||
3b06d277 AS |
6987 | if (n_match_sets) |
6988 | request->scan_plans = (void *)(request->match_sets + | |
6989 | n_match_sets); | |
6990 | else if (request->ie) | |
6991 | request->scan_plans = (void *)(request->ie + ie_len); | |
6992 | else if (n_ssids) | |
6993 | request->scan_plans = (void *)(request->ssids + n_ssids); | |
6994 | else | |
6995 | request->scan_plans = (void *)(request->channels + n_channels); | |
6996 | ||
6997 | request->n_scan_plans = n_plans; | |
6998 | ||
807f8a8c | 6999 | i = 0; |
256da02d | 7000 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
7001 | /* user specified, bail out if channel not found */ |
7002 | nla_for_each_nested(attr, | |
256da02d | 7003 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
7004 | tmp) { |
7005 | struct ieee80211_channel *chan; | |
7006 | ||
7007 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
7008 | ||
7009 | if (!chan) { | |
7010 | err = -EINVAL; | |
7011 | goto out_free; | |
7012 | } | |
7013 | ||
7014 | /* ignore disabled channels */ | |
7015 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7016 | continue; | |
7017 | ||
7018 | request->channels[i] = chan; | |
7019 | i++; | |
7020 | } | |
7021 | } else { | |
7022 | /* all channels */ | |
57fbcce3 | 7023 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
807f8a8c | 7024 | int j; |
7a087e74 | 7025 | |
807f8a8c LC |
7026 | if (!wiphy->bands[band]) |
7027 | continue; | |
7028 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
7029 | struct ieee80211_channel *chan; | |
7030 | ||
7031 | chan = &wiphy->bands[band]->channels[j]; | |
7032 | ||
7033 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7034 | continue; | |
7035 | ||
7036 | request->channels[i] = chan; | |
7037 | i++; | |
7038 | } | |
7039 | } | |
7040 | } | |
7041 | ||
7042 | if (!i) { | |
7043 | err = -EINVAL; | |
7044 | goto out_free; | |
7045 | } | |
7046 | ||
7047 | request->n_channels = i; | |
7048 | ||
7049 | i = 0; | |
13874e4b | 7050 | if (n_ssids) { |
256da02d | 7051 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 7052 | tmp) { |
57a27e1d | 7053 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
7054 | err = -EINVAL; |
7055 | goto out_free; | |
7056 | } | |
57a27e1d | 7057 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
7058 | memcpy(request->ssids[i].ssid, nla_data(attr), |
7059 | nla_len(attr)); | |
807f8a8c LC |
7060 | i++; |
7061 | } | |
7062 | } | |
7063 | ||
a1f1c21c | 7064 | i = 0; |
256da02d | 7065 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7066 | nla_for_each_nested(attr, |
256da02d | 7067 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 7068 | tmp) { |
88e920b4 | 7069 | struct nlattr *ssid, *rssi; |
a1f1c21c | 7070 | |
bfe2c7b1 JB |
7071 | err = nla_parse_nested(tb, |
7072 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
7073 | attr, nl80211_match_policy); | |
ae811e21 JB |
7074 | if (err) |
7075 | goto out_free; | |
4a4ab0d7 | 7076 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 7077 | if (ssid) { |
ea73cbce JB |
7078 | if (WARN_ON(i >= n_match_sets)) { |
7079 | /* this indicates a programming error, | |
7080 | * the loop above should have verified | |
7081 | * things properly | |
7082 | */ | |
7083 | err = -EINVAL; | |
7084 | goto out_free; | |
7085 | } | |
7086 | ||
a1f1c21c LC |
7087 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
7088 | err = -EINVAL; | |
7089 | goto out_free; | |
7090 | } | |
7091 | memcpy(request->match_sets[i].ssid.ssid, | |
7092 | nla_data(ssid), nla_len(ssid)); | |
7093 | request->match_sets[i].ssid.ssid_len = | |
7094 | nla_len(ssid); | |
56ab364f | 7095 | /* special attribute - old implementation w/a */ |
ea73cbce JB |
7096 | request->match_sets[i].rssi_thold = |
7097 | default_match_rssi; | |
7098 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7099 | if (rssi) | |
7100 | request->match_sets[i].rssi_thold = | |
7101 | nla_get_s32(rssi); | |
a1f1c21c LC |
7102 | } |
7103 | i++; | |
7104 | } | |
ea73cbce JB |
7105 | |
7106 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 7107 | if (i == 0 && n_match_sets) |
ea73cbce JB |
7108 | request->match_sets[0].rssi_thold = default_match_rssi; |
7109 | ||
7110 | request->min_rssi_thold = INT_MAX; | |
7111 | for (i = 0; i < n_match_sets; i++) | |
7112 | request->min_rssi_thold = | |
7113 | min(request->match_sets[i].rssi_thold, | |
7114 | request->min_rssi_thold); | |
7115 | } else { | |
7116 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
7117 | } |
7118 | ||
9900e484 JB |
7119 | if (ie_len) { |
7120 | request->ie_len = ie_len; | |
807f8a8c | 7121 | memcpy((void *)request->ie, |
256da02d | 7122 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
7123 | request->ie_len); |
7124 | } | |
7125 | ||
256da02d | 7126 | if (attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 | 7127 | request->flags = nla_get_u32( |
256da02d | 7128 | attrs[NL80211_ATTR_SCAN_FLAGS]); |
00c3a6ed JB |
7129 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
7130 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
7131 | err = -EOPNOTSUPP; |
7132 | goto out_free; | |
7133 | } | |
ad2b26ab JB |
7134 | |
7135 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
7136 | u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
7137 | ||
7138 | if (!wdev) /* must be net-detect */ | |
7139 | flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
7140 | ||
7141 | if (!(wiphy->features & flg)) { | |
7142 | err = -EOPNOTSUPP; | |
7143 | goto out_free; | |
7144 | } | |
7145 | ||
7146 | if (wdev && wdev->current_bss) { | |
7147 | err = -EOPNOTSUPP; | |
7148 | goto out_free; | |
7149 | } | |
7150 | ||
7151 | err = nl80211_parse_random_mac(attrs, request->mac_addr, | |
7152 | request->mac_addr_mask); | |
7153 | if (err) | |
7154 | goto out_free; | |
7155 | } | |
46856bbf | 7156 | } |
ed473771 | 7157 | |
9c748934 LC |
7158 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
7159 | request->delay = | |
7160 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
7161 | ||
3b06d277 AS |
7162 | err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); |
7163 | if (err) | |
7164 | goto out_free; | |
7165 | ||
15d6030b | 7166 | request->scan_start = jiffies; |
807f8a8c | 7167 | |
256da02d | 7168 | return request; |
807f8a8c LC |
7169 | |
7170 | out_free: | |
7171 | kfree(request); | |
256da02d LC |
7172 | return ERR_PTR(err); |
7173 | } | |
7174 | ||
7175 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
7176 | struct genl_info *info) | |
7177 | { | |
7178 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7179 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 7180 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 7181 | struct cfg80211_sched_scan_request *sched_scan_req; |
256da02d LC |
7182 | int err; |
7183 | ||
7184 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
7185 | !rdev->ops->sched_scan_start) | |
7186 | return -EOPNOTSUPP; | |
7187 | ||
7188 | if (rdev->sched_scan_req) | |
7189 | return -EINPROGRESS; | |
7190 | ||
31a60ed1 JR |
7191 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
7192 | info->attrs); | |
7193 | ||
7194 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
7195 | if (err) |
7196 | goto out_err; | |
7197 | ||
31a60ed1 | 7198 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
7199 | if (err) |
7200 | goto out_free; | |
7201 | ||
31a60ed1 JR |
7202 | sched_scan_req->dev = dev; |
7203 | sched_scan_req->wiphy = &rdev->wiphy; | |
7204 | ||
93a1e86c JR |
7205 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
7206 | sched_scan_req->owner_nlportid = info->snd_portid; | |
7207 | ||
31a60ed1 | 7208 | rcu_assign_pointer(rdev->sched_scan_req, sched_scan_req); |
256da02d LC |
7209 | |
7210 | nl80211_send_sched_scan(rdev, dev, | |
7211 | NL80211_CMD_START_SCHED_SCAN); | |
7212 | return 0; | |
7213 | ||
7214 | out_free: | |
31a60ed1 | 7215 | kfree(sched_scan_req); |
256da02d | 7216 | out_err: |
807f8a8c LC |
7217 | return err; |
7218 | } | |
7219 | ||
7220 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
7221 | struct genl_info *info) | |
7222 | { | |
7223 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7224 | ||
7225 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
7226 | !rdev->ops->sched_scan_stop) | |
7227 | return -EOPNOTSUPP; | |
7228 | ||
5fe231e8 | 7229 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
7230 | } |
7231 | ||
04f39047 SW |
7232 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
7233 | struct genl_info *info) | |
7234 | { | |
7235 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7236 | struct net_device *dev = info->user_ptr[1]; | |
7237 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7238 | struct cfg80211_chan_def chandef; | |
55f7435c | 7239 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 7240 | unsigned int cac_time_ms; |
04f39047 SW |
7241 | int err; |
7242 | ||
55f7435c LR |
7243 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
7244 | if (dfs_region == NL80211_DFS_UNSET) | |
7245 | return -EINVAL; | |
7246 | ||
04f39047 SW |
7247 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7248 | if (err) | |
7249 | return err; | |
7250 | ||
ff311bc1 SW |
7251 | if (netif_carrier_ok(dev)) |
7252 | return -EBUSY; | |
7253 | ||
04f39047 SW |
7254 | if (wdev->cac_started) |
7255 | return -EBUSY; | |
7256 | ||
2beb6dab | 7257 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 7258 | wdev->iftype); |
04f39047 SW |
7259 | if (err < 0) |
7260 | return err; | |
7261 | ||
7262 | if (err == 0) | |
7263 | return -EINVAL; | |
7264 | ||
fe7c3a1f | 7265 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
7266 | return -EINVAL; |
7267 | ||
7268 | if (!rdev->ops->start_radar_detection) | |
7269 | return -EOPNOTSUPP; | |
7270 | ||
31559f35 JD |
7271 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
7272 | if (WARN_ON(!cac_time_ms)) | |
7273 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
7274 | ||
a1056b1b | 7275 | err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms); |
04f39047 | 7276 | if (!err) { |
9e0e2961 | 7277 | wdev->chandef = chandef; |
04f39047 SW |
7278 | wdev->cac_started = true; |
7279 | wdev->cac_start_time = jiffies; | |
31559f35 | 7280 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 7281 | } |
04f39047 SW |
7282 | return err; |
7283 | } | |
7284 | ||
16ef1fe2 SW |
7285 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
7286 | { | |
7287 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7288 | struct net_device *dev = info->user_ptr[1]; | |
7289 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7290 | struct cfg80211_csa_settings params; | |
7291 | /* csa_attrs is defined static to avoid waste of stack size - this | |
7292 | * function is called under RTNL lock, so this should not be a problem. | |
7293 | */ | |
7294 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 7295 | int err; |
ee4bc9e7 | 7296 | bool need_new_beacon = false; |
9a774c78 | 7297 | int len, i; |
252e07ca | 7298 | u32 cs_count; |
16ef1fe2 SW |
7299 | |
7300 | if (!rdev->ops->channel_switch || | |
7301 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
7302 | return -EOPNOTSUPP; | |
7303 | ||
ee4bc9e7 SW |
7304 | switch (dev->ieee80211_ptr->iftype) { |
7305 | case NL80211_IFTYPE_AP: | |
7306 | case NL80211_IFTYPE_P2P_GO: | |
7307 | need_new_beacon = true; | |
7308 | ||
7309 | /* useless if AP is not running */ | |
7310 | if (!wdev->beacon_interval) | |
1ff79dfa | 7311 | return -ENOTCONN; |
ee4bc9e7 SW |
7312 | break; |
7313 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
7314 | if (!wdev->ssid_len) |
7315 | return -ENOTCONN; | |
7316 | break; | |
c6da674a | 7317 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
7318 | if (!wdev->mesh_id_len) |
7319 | return -ENOTCONN; | |
ee4bc9e7 SW |
7320 | break; |
7321 | default: | |
16ef1fe2 | 7322 | return -EOPNOTSUPP; |
ee4bc9e7 | 7323 | } |
16ef1fe2 SW |
7324 | |
7325 | memset(¶ms, 0, sizeof(params)); | |
7326 | ||
7327 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7328 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
7329 | return -EINVAL; | |
7330 | ||
7331 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 7332 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
7333 | return -EINVAL; |
7334 | ||
252e07ca LC |
7335 | /* Even though the attribute is u32, the specification says |
7336 | * u8, so let's make sure we don't overflow. | |
7337 | */ | |
7338 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
7339 | if (cs_count > 255) | |
7340 | return -EINVAL; | |
7341 | ||
7342 | params.count = cs_count; | |
16ef1fe2 | 7343 | |
ee4bc9e7 SW |
7344 | if (!need_new_beacon) |
7345 | goto skip_beacons; | |
7346 | ||
16ef1fe2 SW |
7347 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
7348 | if (err) | |
7349 | return err; | |
7350 | ||
7351 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
7352 | info->attrs[NL80211_ATTR_CSA_IES], | |
7353 | nl80211_policy); | |
7354 | if (err) | |
7355 | return err; | |
7356 | ||
7357 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
7358 | if (err) | |
7359 | return err; | |
7360 | ||
7361 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
7362 | return -EINVAL; | |
7363 | ||
9a774c78 AO |
7364 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
7365 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7366 | return -EINVAL; |
7367 | ||
9a774c78 AO |
7368 | params.n_counter_offsets_beacon = len / sizeof(u16); |
7369 | if (rdev->wiphy.max_num_csa_counters && | |
7370 | (params.n_counter_offsets_beacon > | |
7371 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
7372 | return -EINVAL; |
7373 | ||
9a774c78 AO |
7374 | params.counter_offsets_beacon = |
7375 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
7376 | ||
7377 | /* sanity checks - counters should fit and be the same */ | |
7378 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
7379 | u16 offset = params.counter_offsets_beacon[i]; | |
7380 | ||
7381 | if (offset >= params.beacon_csa.tail_len) | |
7382 | return -EINVAL; | |
7383 | ||
7384 | if (params.beacon_csa.tail[offset] != params.count) | |
7385 | return -EINVAL; | |
7386 | } | |
7387 | ||
16ef1fe2 | 7388 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
7389 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
7390 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7391 | return -EINVAL; |
7392 | ||
9a774c78 AO |
7393 | params.n_counter_offsets_presp = len / sizeof(u16); |
7394 | if (rdev->wiphy.max_num_csa_counters && | |
ad5987b4 | 7395 | (params.n_counter_offsets_presp > |
9a774c78 | 7396 | rdev->wiphy.max_num_csa_counters)) |
16ef1fe2 | 7397 | return -EINVAL; |
9a774c78 AO |
7398 | |
7399 | params.counter_offsets_presp = | |
7400 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
7401 | ||
7402 | /* sanity checks - counters should fit and be the same */ | |
7403 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
7404 | u16 offset = params.counter_offsets_presp[i]; | |
7405 | ||
7406 | if (offset >= params.beacon_csa.probe_resp_len) | |
7407 | return -EINVAL; | |
7408 | ||
7409 | if (params.beacon_csa.probe_resp[offset] != | |
7410 | params.count) | |
7411 | return -EINVAL; | |
7412 | } | |
16ef1fe2 SW |
7413 | } |
7414 | ||
ee4bc9e7 | 7415 | skip_beacons: |
16ef1fe2 SW |
7416 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
7417 | if (err) | |
7418 | return err; | |
7419 | ||
923b352f AN |
7420 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
7421 | wdev->iftype)) | |
16ef1fe2 SW |
7422 | return -EINVAL; |
7423 | ||
2beb6dab LC |
7424 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
7425 | ¶ms.chandef, | |
7426 | wdev->iftype); | |
7427 | if (err < 0) | |
7428 | return err; | |
7429 | ||
dcc6c2f5 | 7430 | if (err > 0) |
2beb6dab | 7431 | params.radar_required = true; |
16ef1fe2 | 7432 | |
16ef1fe2 SW |
7433 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
7434 | params.block_tx = true; | |
7435 | ||
c56589ed SW |
7436 | wdev_lock(wdev); |
7437 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
7438 | wdev_unlock(wdev); | |
7439 | ||
7440 | return err; | |
16ef1fe2 SW |
7441 | } |
7442 | ||
9720bb3a JB |
7443 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
7444 | u32 seq, int flags, | |
2a519311 | 7445 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
7446 | struct wireless_dev *wdev, |
7447 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 7448 | { |
48ab905d | 7449 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 7450 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
7451 | void *hdr; |
7452 | struct nlattr *bss; | |
48ab905d JB |
7453 | |
7454 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 7455 | |
15e47304 | 7456 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
7457 | NL80211_CMD_NEW_SCAN_RESULTS); |
7458 | if (!hdr) | |
7459 | return -1; | |
7460 | ||
9720bb3a JB |
7461 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
7462 | ||
97990a06 JB |
7463 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
7464 | goto nla_put_failure; | |
7465 | if (wdev->netdev && | |
9360ffd1 DM |
7466 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
7467 | goto nla_put_failure; | |
2dad624e ND |
7468 | if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
7469 | NL80211_ATTR_PAD)) | |
97990a06 | 7470 | goto nla_put_failure; |
2a519311 JB |
7471 | |
7472 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
7473 | if (!bss) | |
7474 | goto nla_put_failure; | |
9360ffd1 | 7475 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 7476 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 7477 | goto nla_put_failure; |
9caf0364 JB |
7478 | |
7479 | rcu_read_lock(); | |
0e227084 JB |
7480 | /* indicate whether we have probe response data or not */ |
7481 | if (rcu_access_pointer(res->proberesp_ies) && | |
7482 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
7483 | goto fail_unlock_rcu; | |
7484 | ||
7485 | /* this pointer prefers to be pointed to probe response data | |
7486 | * but is always valid | |
7487 | */ | |
9caf0364 | 7488 | ies = rcu_dereference(res->ies); |
8cef2c9d | 7489 | if (ies) { |
2dad624e ND |
7490 | if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf, |
7491 | NL80211_BSS_PAD)) | |
8cef2c9d | 7492 | goto fail_unlock_rcu; |
8cef2c9d JB |
7493 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
7494 | ies->len, ies->data)) | |
7495 | goto fail_unlock_rcu; | |
9caf0364 | 7496 | } |
0e227084 JB |
7497 | |
7498 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 7499 | ies = rcu_dereference(res->beacon_ies); |
0e227084 | 7500 | if (ies && ies->from_beacon) { |
2dad624e ND |
7501 | if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf, |
7502 | NL80211_BSS_PAD)) | |
8cef2c9d JB |
7503 | goto fail_unlock_rcu; |
7504 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
7505 | ies->len, ies->data)) | |
7506 | goto fail_unlock_rcu; | |
9caf0364 JB |
7507 | } |
7508 | rcu_read_unlock(); | |
7509 | ||
9360ffd1 DM |
7510 | if (res->beacon_interval && |
7511 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
7512 | goto nla_put_failure; | |
7513 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
7514 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 7515 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
7516 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
7517 | jiffies_to_msecs(jiffies - intbss->ts))) | |
7518 | goto nla_put_failure; | |
2a519311 | 7519 | |
1d76250b AS |
7520 | if (intbss->parent_tsf && |
7521 | (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF, | |
7522 | intbss->parent_tsf, NL80211_BSS_PAD) || | |
7523 | nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN, | |
7524 | intbss->parent_bssid))) | |
7525 | goto nla_put_failure; | |
7526 | ||
6e19bc4b | 7527 | if (intbss->ts_boottime && |
2dad624e ND |
7528 | nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, |
7529 | intbss->ts_boottime, NL80211_BSS_PAD)) | |
6e19bc4b DS |
7530 | goto nla_put_failure; |
7531 | ||
77965c97 | 7532 | switch (rdev->wiphy.signal_type) { |
2a519311 | 7533 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
7534 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
7535 | goto nla_put_failure; | |
2a519311 JB |
7536 | break; |
7537 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
7538 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
7539 | goto nla_put_failure; | |
2a519311 JB |
7540 | break; |
7541 | default: | |
7542 | break; | |
7543 | } | |
7544 | ||
48ab905d | 7545 | switch (wdev->iftype) { |
074ac8df | 7546 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 7547 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
7548 | if (intbss == wdev->current_bss && |
7549 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7550 | NL80211_BSS_STATUS_ASSOCIATED)) | |
7551 | goto nla_put_failure; | |
48ab905d JB |
7552 | break; |
7553 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
7554 | if (intbss == wdev->current_bss && |
7555 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7556 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
7557 | goto nla_put_failure; | |
48ab905d JB |
7558 | break; |
7559 | default: | |
7560 | break; | |
7561 | } | |
7562 | ||
2a519311 JB |
7563 | nla_nest_end(msg, bss); |
7564 | ||
053c095a JB |
7565 | genlmsg_end(msg, hdr); |
7566 | return 0; | |
2a519311 | 7567 | |
8cef2c9d JB |
7568 | fail_unlock_rcu: |
7569 | rcu_read_unlock(); | |
2a519311 JB |
7570 | nla_put_failure: |
7571 | genlmsg_cancel(msg, hdr); | |
7572 | return -EMSGSIZE; | |
7573 | } | |
7574 | ||
97990a06 | 7575 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 7576 | { |
48ab905d | 7577 | struct cfg80211_registered_device *rdev; |
2a519311 | 7578 | struct cfg80211_internal_bss *scan; |
48ab905d | 7579 | struct wireless_dev *wdev; |
97990a06 | 7580 | int start = cb->args[2], idx = 0; |
2a519311 JB |
7581 | int err; |
7582 | ||
97990a06 | 7583 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7584 | if (err) |
7585 | return err; | |
2a519311 | 7586 | |
48ab905d JB |
7587 | wdev_lock(wdev); |
7588 | spin_lock_bh(&rdev->bss_lock); | |
7589 | cfg80211_bss_expire(rdev); | |
7590 | ||
9720bb3a JB |
7591 | cb->seq = rdev->bss_generation; |
7592 | ||
48ab905d | 7593 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
7594 | if (++idx <= start) |
7595 | continue; | |
9720bb3a | 7596 | if (nl80211_send_bss(skb, cb, |
2a519311 | 7597 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 7598 | rdev, wdev, scan) < 0) { |
2a519311 | 7599 | idx--; |
67748893 | 7600 | break; |
2a519311 JB |
7601 | } |
7602 | } | |
7603 | ||
48ab905d JB |
7604 | spin_unlock_bh(&rdev->bss_lock); |
7605 | wdev_unlock(wdev); | |
2a519311 | 7606 | |
97990a06 JB |
7607 | cb->args[2] = idx; |
7608 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 7609 | |
67748893 | 7610 | return skb->len; |
2a519311 JB |
7611 | } |
7612 | ||
15e47304 | 7613 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
7614 | int flags, struct net_device *dev, |
7615 | bool allow_radio_stats, | |
7616 | struct survey_info *survey) | |
61fa713c HS |
7617 | { |
7618 | void *hdr; | |
7619 | struct nlattr *infoattr; | |
7620 | ||
11f78ac3 JB |
7621 | /* skip radio stats if userspace didn't request them */ |
7622 | if (!survey->channel && !allow_radio_stats) | |
7623 | return 0; | |
7624 | ||
15e47304 | 7625 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
7626 | NL80211_CMD_NEW_SURVEY_RESULTS); |
7627 | if (!hdr) | |
7628 | return -ENOMEM; | |
7629 | ||
9360ffd1 DM |
7630 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
7631 | goto nla_put_failure; | |
61fa713c HS |
7632 | |
7633 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
7634 | if (!infoattr) | |
7635 | goto nla_put_failure; | |
7636 | ||
11f78ac3 JB |
7637 | if (survey->channel && |
7638 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
7639 | survey->channel->center_freq)) |
7640 | goto nla_put_failure; | |
7641 | ||
7642 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
7643 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
7644 | goto nla_put_failure; | |
7645 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
7646 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
7647 | goto nla_put_failure; | |
4ed20beb | 7648 | if ((survey->filled & SURVEY_INFO_TIME) && |
2dad624e ND |
7649 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME, |
7650 | survey->time, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7651 | goto nla_put_failure; |
4ed20beb | 7652 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
2dad624e ND |
7653 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY, |
7654 | survey->time_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7655 | goto nla_put_failure; |
4ed20beb | 7656 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
2dad624e ND |
7657 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, |
7658 | survey->time_ext_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7659 | goto nla_put_failure; |
4ed20beb | 7660 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
2dad624e ND |
7661 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX, |
7662 | survey->time_rx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7663 | goto nla_put_failure; |
4ed20beb | 7664 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
2dad624e ND |
7665 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX, |
7666 | survey->time_tx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7667 | goto nla_put_failure; |
052536ab | 7668 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
2dad624e ND |
7669 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN, |
7670 | survey->time_scan, NL80211_SURVEY_INFO_PAD)) | |
052536ab | 7671 | goto nla_put_failure; |
61fa713c HS |
7672 | |
7673 | nla_nest_end(msg, infoattr); | |
7674 | ||
053c095a JB |
7675 | genlmsg_end(msg, hdr); |
7676 | return 0; | |
61fa713c HS |
7677 | |
7678 | nla_put_failure: | |
7679 | genlmsg_cancel(msg, hdr); | |
7680 | return -EMSGSIZE; | |
7681 | } | |
7682 | ||
11f78ac3 | 7683 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c | 7684 | { |
c90c39da | 7685 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
61fa713c | 7686 | struct survey_info survey; |
1b8ec87a | 7687 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
7688 | struct wireless_dev *wdev; |
7689 | int survey_idx = cb->args[2]; | |
61fa713c | 7690 | int res; |
11f78ac3 | 7691 | bool radio_stats; |
61fa713c | 7692 | |
1b8ec87a | 7693 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7694 | if (res) |
7695 | return res; | |
61fa713c | 7696 | |
11f78ac3 | 7697 | /* prepare_wdev_dump parsed the attributes */ |
c90c39da | 7698 | radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; |
11f78ac3 | 7699 | |
97990a06 JB |
7700 | if (!wdev->netdev) { |
7701 | res = -EINVAL; | |
7702 | goto out_err; | |
7703 | } | |
7704 | ||
1b8ec87a | 7705 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
7706 | res = -EOPNOTSUPP; |
7707 | goto out_err; | |
7708 | } | |
7709 | ||
7710 | while (1) { | |
1b8ec87a | 7711 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
7712 | if (res == -ENOENT) |
7713 | break; | |
7714 | if (res) | |
7715 | goto out_err; | |
7716 | ||
11f78ac3 JB |
7717 | /* don't send disabled channels, but do send non-channel data */ |
7718 | if (survey.channel && | |
7719 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
7720 | survey_idx++; |
7721 | continue; | |
7722 | } | |
7723 | ||
61fa713c | 7724 | if (nl80211_send_survey(skb, |
15e47304 | 7725 | NETLINK_CB(cb->skb).portid, |
61fa713c | 7726 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 7727 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
7728 | goto out; |
7729 | survey_idx++; | |
7730 | } | |
7731 | ||
7732 | out: | |
97990a06 | 7733 | cb->args[2] = survey_idx; |
61fa713c HS |
7734 | res = skb->len; |
7735 | out_err: | |
1b8ec87a | 7736 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
7737 | return res; |
7738 | } | |
7739 | ||
b23aa676 SO |
7740 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
7741 | { | |
7742 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
7743 | NL80211_WPA_VERSION_2)); | |
7744 | } | |
7745 | ||
636a5d36 JM |
7746 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
7747 | { | |
4c476991 JB |
7748 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7749 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7750 | struct ieee80211_channel *chan; |
11b6b5a4 JM |
7751 | const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL; |
7752 | int err, ssid_len, ie_len = 0, auth_data_len = 0; | |
19957bb3 | 7753 | enum nl80211_auth_type auth_type; |
fffd0934 | 7754 | struct key_parse key; |
d5cdfacb | 7755 | bool local_state_change; |
636a5d36 | 7756 | |
f4a11bb0 JB |
7757 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7758 | return -EINVAL; | |
7759 | ||
7760 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7761 | return -EINVAL; | |
7762 | ||
1778092e JM |
7763 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
7764 | return -EINVAL; | |
7765 | ||
19957bb3 JB |
7766 | if (!info->attrs[NL80211_ATTR_SSID]) |
7767 | return -EINVAL; | |
7768 | ||
7769 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7770 | return -EINVAL; | |
7771 | ||
fffd0934 JB |
7772 | err = nl80211_parse_key(info, &key); |
7773 | if (err) | |
7774 | return err; | |
7775 | ||
7776 | if (key.idx >= 0) { | |
e31b8213 JB |
7777 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
7778 | return -EINVAL; | |
fffd0934 JB |
7779 | if (!key.p.key || !key.p.key_len) |
7780 | return -EINVAL; | |
7781 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
7782 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
7783 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
7784 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
7785 | return -EINVAL; | |
b6b5555b | 7786 | if (key.idx > 3) |
fffd0934 JB |
7787 | return -EINVAL; |
7788 | } else { | |
7789 | key.p.key_len = 0; | |
7790 | key.p.key = NULL; | |
7791 | } | |
7792 | ||
afea0b7a JB |
7793 | if (key.idx >= 0) { |
7794 | int i; | |
7795 | bool ok = false; | |
7a087e74 | 7796 | |
afea0b7a JB |
7797 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
7798 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
7799 | ok = true; | |
7800 | break; | |
7801 | } | |
7802 | } | |
4c476991 JB |
7803 | if (!ok) |
7804 | return -EINVAL; | |
afea0b7a JB |
7805 | } |
7806 | ||
4c476991 JB |
7807 | if (!rdev->ops->auth) |
7808 | return -EOPNOTSUPP; | |
636a5d36 | 7809 | |
074ac8df | 7810 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7811 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7812 | return -EOPNOTSUPP; | |
eec60b03 | 7813 | |
19957bb3 | 7814 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
7815 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7816 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7817 | if (!chan) | |
4c476991 | 7818 | return -EINVAL; |
636a5d36 | 7819 | |
19957bb3 JB |
7820 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7821 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7822 | |
7823 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7824 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7825 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7826 | } |
7827 | ||
19957bb3 | 7828 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 7829 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 7830 | return -EINVAL; |
636a5d36 | 7831 | |
63181060 JM |
7832 | if ((auth_type == NL80211_AUTHTYPE_SAE || |
7833 | auth_type == NL80211_AUTHTYPE_FILS_SK || | |
7834 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
7835 | auth_type == NL80211_AUTHTYPE_FILS_PK) && | |
11b6b5a4 | 7836 | !info->attrs[NL80211_ATTR_AUTH_DATA]) |
e39e5b5e JM |
7837 | return -EINVAL; |
7838 | ||
11b6b5a4 | 7839 | if (info->attrs[NL80211_ATTR_AUTH_DATA]) { |
63181060 JM |
7840 | if (auth_type != NL80211_AUTHTYPE_SAE && |
7841 | auth_type != NL80211_AUTHTYPE_FILS_SK && | |
7842 | auth_type != NL80211_AUTHTYPE_FILS_SK_PFS && | |
7843 | auth_type != NL80211_AUTHTYPE_FILS_PK) | |
e39e5b5e | 7844 | return -EINVAL; |
11b6b5a4 JM |
7845 | auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]); |
7846 | auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]); | |
e39e5b5e | 7847 | /* need to include at least Auth Transaction and Status Code */ |
11b6b5a4 | 7848 | if (auth_data_len < 4) |
e39e5b5e JM |
7849 | return -EINVAL; |
7850 | } | |
7851 | ||
d5cdfacb JM |
7852 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7853 | ||
95de817b JB |
7854 | /* |
7855 | * Since we no longer track auth state, ignore | |
7856 | * requests to only change local state. | |
7857 | */ | |
7858 | if (local_state_change) | |
7859 | return 0; | |
7860 | ||
91bf9b26 JB |
7861 | wdev_lock(dev->ieee80211_ptr); |
7862 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
7863 | ssid, ssid_len, ie, ie_len, | |
7864 | key.p.key, key.p.key_len, key.idx, | |
11b6b5a4 | 7865 | auth_data, auth_data_len); |
91bf9b26 JB |
7866 | wdev_unlock(dev->ieee80211_ptr); |
7867 | return err; | |
636a5d36 JM |
7868 | } |
7869 | ||
c0692b8f JB |
7870 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
7871 | struct genl_info *info, | |
3dc27d25 JB |
7872 | struct cfg80211_crypto_settings *settings, |
7873 | int cipher_limit) | |
b23aa676 | 7874 | { |
c0b2bbd8 JB |
7875 | memset(settings, 0, sizeof(*settings)); |
7876 | ||
b23aa676 SO |
7877 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
7878 | ||
c0692b8f JB |
7879 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
7880 | u16 proto; | |
7a087e74 | 7881 | |
c0692b8f JB |
7882 | proto = nla_get_u16( |
7883 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
7884 | settings->control_port_ethertype = cpu_to_be16(proto); | |
7885 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
7886 | proto != ETH_P_PAE) | |
7887 | return -EINVAL; | |
7888 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
7889 | settings->control_port_no_encrypt = true; | |
7890 | } else | |
7891 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
7892 | ||
b23aa676 SO |
7893 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
7894 | void *data; | |
7895 | int len, i; | |
7896 | ||
7897 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7898 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7899 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
7900 | ||
7901 | if (len % sizeof(u32)) | |
7902 | return -EINVAL; | |
7903 | ||
3dc27d25 | 7904 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
7905 | return -EINVAL; |
7906 | ||
7907 | memcpy(settings->ciphers_pairwise, data, len); | |
7908 | ||
7909 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
7910 | if (!cfg80211_supported_cipher_suite( |
7911 | &rdev->wiphy, | |
b23aa676 SO |
7912 | settings->ciphers_pairwise[i])) |
7913 | return -EINVAL; | |
7914 | } | |
7915 | ||
7916 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
7917 | settings->cipher_group = | |
7918 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
7919 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
7920 | settings->cipher_group)) | |
b23aa676 SO |
7921 | return -EINVAL; |
7922 | } | |
7923 | ||
7924 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
7925 | settings->wpa_versions = | |
7926 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
7927 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
7928 | return -EINVAL; | |
7929 | } | |
7930 | ||
7931 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
7932 | void *data; | |
6d30240e | 7933 | int len; |
b23aa676 SO |
7934 | |
7935 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7936 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7937 | settings->n_akm_suites = len / sizeof(u32); | |
7938 | ||
7939 | if (len % sizeof(u32)) | |
7940 | return -EINVAL; | |
7941 | ||
1b9ca027 JM |
7942 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
7943 | return -EINVAL; | |
7944 | ||
b23aa676 | 7945 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
7946 | } |
7947 | ||
7948 | return 0; | |
7949 | } | |
7950 | ||
636a5d36 JM |
7951 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
7952 | { | |
4c476991 JB |
7953 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7954 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 7955 | struct ieee80211_channel *chan; |
f62fab73 JB |
7956 | struct cfg80211_assoc_request req = {}; |
7957 | const u8 *bssid, *ssid; | |
7958 | int err, ssid_len = 0; | |
636a5d36 | 7959 | |
f4a11bb0 JB |
7960 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7961 | return -EINVAL; | |
7962 | ||
7963 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
7964 | !info->attrs[NL80211_ATTR_SSID] || |
7965 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
7966 | return -EINVAL; |
7967 | ||
4c476991 JB |
7968 | if (!rdev->ops->assoc) |
7969 | return -EOPNOTSUPP; | |
636a5d36 | 7970 | |
074ac8df | 7971 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7972 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7973 | return -EOPNOTSUPP; | |
eec60b03 | 7974 | |
19957bb3 | 7975 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7976 | |
664834de JM |
7977 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7978 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7979 | if (!chan) | |
4c476991 | 7980 | return -EINVAL; |
636a5d36 | 7981 | |
19957bb3 JB |
7982 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7983 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7984 | |
7985 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
7986 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7987 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7988 | } |
7989 | ||
dc6382ce | 7990 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 7991 | enum nl80211_mfp mfp = |
dc6382ce | 7992 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 7993 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 7994 | req.use_mfp = true; |
4c476991 JB |
7995 | else if (mfp != NL80211_MFP_NO) |
7996 | return -EINVAL; | |
dc6382ce JM |
7997 | } |
7998 | ||
3e5d7649 | 7999 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 8000 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 8001 | |
7e7c8926 | 8002 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 8003 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
8004 | |
8005 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
8006 | memcpy(&req.ht_capa_mask, |
8007 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8008 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
8009 | |
8010 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 8011 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 8012 | return -EINVAL; |
f62fab73 JB |
8013 | memcpy(&req.ht_capa, |
8014 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8015 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
8016 | } |
8017 | ||
ee2aca34 | 8018 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 8019 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
8020 | |
8021 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
8022 | memcpy(&req.vht_capa_mask, |
8023 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8024 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
8025 | |
8026 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 8027 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 8028 | return -EINVAL; |
f62fab73 JB |
8029 | memcpy(&req.vht_capa, |
8030 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8031 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
8032 | } |
8033 | ||
bab5ab7d | 8034 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8035 | if (!((rdev->wiphy.features & |
8036 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8037 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8038 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8039 | NL80211_EXT_FEATURE_RRM)) | |
bab5ab7d AK |
8040 | return -EINVAL; |
8041 | req.flags |= ASSOC_REQ_USE_RRM; | |
8042 | } | |
8043 | ||
348bd456 JM |
8044 | if (info->attrs[NL80211_ATTR_FILS_KEK]) { |
8045 | req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8046 | req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8047 | if (!info->attrs[NL80211_ATTR_FILS_NONCES]) | |
8048 | return -EINVAL; | |
8049 | req.fils_nonces = | |
8050 | nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]); | |
8051 | } | |
8052 | ||
f62fab73 | 8053 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
8054 | if (!err) { |
8055 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
8056 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
8057 | ssid, ssid_len, &req); | |
91bf9b26 JB |
8058 | wdev_unlock(dev->ieee80211_ptr); |
8059 | } | |
636a5d36 | 8060 | |
636a5d36 JM |
8061 | return err; |
8062 | } | |
8063 | ||
8064 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
8065 | { | |
4c476991 JB |
8066 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8067 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8068 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8069 | int ie_len = 0, err; |
19957bb3 | 8070 | u16 reason_code; |
d5cdfacb | 8071 | bool local_state_change; |
636a5d36 | 8072 | |
f4a11bb0 JB |
8073 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8074 | return -EINVAL; | |
8075 | ||
8076 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8077 | return -EINVAL; | |
8078 | ||
8079 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8080 | return -EINVAL; | |
8081 | ||
4c476991 JB |
8082 | if (!rdev->ops->deauth) |
8083 | return -EOPNOTSUPP; | |
636a5d36 | 8084 | |
074ac8df | 8085 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8086 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8087 | return -EOPNOTSUPP; | |
eec60b03 | 8088 | |
19957bb3 | 8089 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8090 | |
19957bb3 JB |
8091 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8092 | if (reason_code == 0) { | |
f4a11bb0 | 8093 | /* Reason Code 0 is reserved */ |
4c476991 | 8094 | return -EINVAL; |
255e737e | 8095 | } |
636a5d36 JM |
8096 | |
8097 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8098 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8099 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8100 | } |
8101 | ||
d5cdfacb JM |
8102 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8103 | ||
91bf9b26 JB |
8104 | wdev_lock(dev->ieee80211_ptr); |
8105 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
8106 | local_state_change); | |
8107 | wdev_unlock(dev->ieee80211_ptr); | |
8108 | return err; | |
636a5d36 JM |
8109 | } |
8110 | ||
8111 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
8112 | { | |
4c476991 JB |
8113 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8114 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8115 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8116 | int ie_len = 0, err; |
19957bb3 | 8117 | u16 reason_code; |
d5cdfacb | 8118 | bool local_state_change; |
636a5d36 | 8119 | |
f4a11bb0 JB |
8120 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8121 | return -EINVAL; | |
8122 | ||
8123 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8124 | return -EINVAL; | |
8125 | ||
8126 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8127 | return -EINVAL; | |
8128 | ||
4c476991 JB |
8129 | if (!rdev->ops->disassoc) |
8130 | return -EOPNOTSUPP; | |
636a5d36 | 8131 | |
074ac8df | 8132 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8133 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8134 | return -EOPNOTSUPP; | |
eec60b03 | 8135 | |
19957bb3 | 8136 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8137 | |
19957bb3 JB |
8138 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8139 | if (reason_code == 0) { | |
f4a11bb0 | 8140 | /* Reason Code 0 is reserved */ |
4c476991 | 8141 | return -EINVAL; |
255e737e | 8142 | } |
636a5d36 JM |
8143 | |
8144 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8145 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8146 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8147 | } |
8148 | ||
d5cdfacb JM |
8149 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8150 | ||
91bf9b26 JB |
8151 | wdev_lock(dev->ieee80211_ptr); |
8152 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
8153 | local_state_change); | |
8154 | wdev_unlock(dev->ieee80211_ptr); | |
8155 | return err; | |
636a5d36 JM |
8156 | } |
8157 | ||
dd5b4cc7 FF |
8158 | static bool |
8159 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
57fbcce3 | 8160 | int mcast_rate[NUM_NL80211_BANDS], |
dd5b4cc7 FF |
8161 | int rateval) |
8162 | { | |
8163 | struct wiphy *wiphy = &rdev->wiphy; | |
8164 | bool found = false; | |
8165 | int band, i; | |
8166 | ||
57fbcce3 | 8167 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
dd5b4cc7 FF |
8168 | struct ieee80211_supported_band *sband; |
8169 | ||
8170 | sband = wiphy->bands[band]; | |
8171 | if (!sband) | |
8172 | continue; | |
8173 | ||
8174 | for (i = 0; i < sband->n_bitrates; i++) { | |
8175 | if (sband->bitrates[i].bitrate == rateval) { | |
8176 | mcast_rate[band] = i + 1; | |
8177 | found = true; | |
8178 | break; | |
8179 | } | |
8180 | } | |
8181 | } | |
8182 | ||
8183 | return found; | |
8184 | } | |
8185 | ||
04a773ad JB |
8186 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
8187 | { | |
4c476991 JB |
8188 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8189 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
8190 | struct cfg80211_ibss_params ibss; |
8191 | struct wiphy *wiphy; | |
fffd0934 | 8192 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
8193 | int err; |
8194 | ||
8e30bc55 JB |
8195 | memset(&ibss, 0, sizeof(ibss)); |
8196 | ||
04a773ad JB |
8197 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8198 | return -EINVAL; | |
8199 | ||
683b6d3b | 8200 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
8201 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
8202 | return -EINVAL; | |
8203 | ||
8e30bc55 JB |
8204 | ibss.beacon_interval = 100; |
8205 | ||
12d20fc9 | 8206 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) |
8e30bc55 JB |
8207 | ibss.beacon_interval = |
8208 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 8209 | |
0c317a02 PK |
8210 | err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC, |
8211 | ibss.beacon_interval); | |
12d20fc9 PK |
8212 | if (err) |
8213 | return err; | |
8e30bc55 | 8214 | |
4c476991 JB |
8215 | if (!rdev->ops->join_ibss) |
8216 | return -EOPNOTSUPP; | |
04a773ad | 8217 | |
4c476991 JB |
8218 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8219 | return -EOPNOTSUPP; | |
04a773ad | 8220 | |
79c97e97 | 8221 | wiphy = &rdev->wiphy; |
04a773ad | 8222 | |
39193498 | 8223 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 8224 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
8225 | |
8226 | if (!is_valid_ether_addr(ibss.bssid)) | |
8227 | return -EINVAL; | |
8228 | } | |
04a773ad JB |
8229 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8230 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8231 | ||
8232 | if (info->attrs[NL80211_ATTR_IE]) { | |
8233 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8234 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8235 | } | |
8236 | ||
683b6d3b JB |
8237 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
8238 | if (err) | |
8239 | return err; | |
04a773ad | 8240 | |
174e0cd2 IP |
8241 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
8242 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
8243 | return -EINVAL; |
8244 | ||
2f301ab2 | 8245 | switch (ibss.chandef.width) { |
bf372645 SW |
8246 | case NL80211_CHAN_WIDTH_5: |
8247 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
8248 | case NL80211_CHAN_WIDTH_20_NOHT: |
8249 | break; | |
8250 | case NL80211_CHAN_WIDTH_20: | |
8251 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
8252 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
8253 | return -EINVAL; | |
8254 | break; | |
8255 | case NL80211_CHAN_WIDTH_80: | |
8256 | case NL80211_CHAN_WIDTH_80P80: | |
8257 | case NL80211_CHAN_WIDTH_160: | |
8258 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
8259 | return -EINVAL; | |
8260 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
8261 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
8262 | return -EINVAL; | |
8263 | break; | |
2f301ab2 | 8264 | default: |
c04d6150 | 8265 | return -EINVAL; |
2f301ab2 | 8266 | } |
db9c64cf | 8267 | |
04a773ad | 8268 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
8269 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
8270 | ||
fbd2c8dc TP |
8271 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8272 | u8 *rates = | |
8273 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8274 | int n_rates = | |
8275 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8276 | struct ieee80211_supported_band *sband = | |
683b6d3b | 8277 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 8278 | |
34850ab2 JB |
8279 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
8280 | &ibss.basic_rates); | |
8281 | if (err) | |
8282 | return err; | |
fbd2c8dc | 8283 | } |
dd5b4cc7 | 8284 | |
803768f5 SW |
8285 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
8286 | memcpy(&ibss.ht_capa_mask, | |
8287 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8288 | sizeof(ibss.ht_capa_mask)); | |
8289 | ||
8290 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
8291 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8292 | return -EINVAL; | |
8293 | memcpy(&ibss.ht_capa, | |
8294 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8295 | sizeof(ibss.ht_capa)); | |
8296 | } | |
8297 | ||
dd5b4cc7 FF |
8298 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8299 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
8300 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8301 | return -EINVAL; | |
fbd2c8dc | 8302 | |
4c476991 | 8303 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
8304 | bool no_ht = false; |
8305 | ||
4c476991 | 8306 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
8307 | info->attrs[NL80211_ATTR_KEYS], |
8308 | &no_ht); | |
4c476991 JB |
8309 | if (IS_ERR(connkeys)) |
8310 | return PTR_ERR(connkeys); | |
de7044ee | 8311 | |
3d9d1d66 JB |
8312 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
8313 | no_ht) { | |
5e950a78 | 8314 | kzfree(connkeys); |
de7044ee SM |
8315 | return -EINVAL; |
8316 | } | |
4c476991 | 8317 | } |
04a773ad | 8318 | |
267335d6 AQ |
8319 | ibss.control_port = |
8320 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
8321 | ||
5336fa88 SW |
8322 | ibss.userspace_handles_dfs = |
8323 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
8324 | ||
4c476991 | 8325 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 8326 | if (err) |
b47f610b | 8327 | kzfree(connkeys); |
04a773ad JB |
8328 | return err; |
8329 | } | |
8330 | ||
8331 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
8332 | { | |
4c476991 JB |
8333 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8334 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 8335 | |
4c476991 JB |
8336 | if (!rdev->ops->leave_ibss) |
8337 | return -EOPNOTSUPP; | |
04a773ad | 8338 | |
4c476991 JB |
8339 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8340 | return -EOPNOTSUPP; | |
04a773ad | 8341 | |
4c476991 | 8342 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
8343 | } |
8344 | ||
f4e583c8 AQ |
8345 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
8346 | { | |
8347 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8348 | struct net_device *dev = info->user_ptr[1]; | |
57fbcce3 | 8349 | int mcast_rate[NUM_NL80211_BANDS]; |
f4e583c8 AQ |
8350 | u32 nla_rate; |
8351 | int err; | |
8352 | ||
8353 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
8354 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
8355 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
8356 | return -EOPNOTSUPP; |
8357 | ||
8358 | if (!rdev->ops->set_mcast_rate) | |
8359 | return -EOPNOTSUPP; | |
8360 | ||
8361 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
8362 | ||
8363 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
8364 | return -EINVAL; | |
8365 | ||
8366 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
8367 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
8368 | return -EINVAL; | |
8369 | ||
a1056b1b | 8370 | err = rdev_set_mcast_rate(rdev, dev, mcast_rate); |
f4e583c8 AQ |
8371 | |
8372 | return err; | |
8373 | } | |
8374 | ||
ad7e718c JB |
8375 | static struct sk_buff * |
8376 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
8377 | struct wireless_dev *wdev, int approxlen, |
8378 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
8379 | enum nl80211_attrs attr, |
8380 | const struct nl80211_vendor_cmd_info *info, | |
8381 | gfp_t gfp) | |
ad7e718c JB |
8382 | { |
8383 | struct sk_buff *skb; | |
8384 | void *hdr; | |
8385 | struct nlattr *data; | |
8386 | ||
8387 | skb = nlmsg_new(approxlen + 100, gfp); | |
8388 | if (!skb) | |
8389 | return NULL; | |
8390 | ||
8391 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
8392 | if (!hdr) { | |
8393 | kfree_skb(skb); | |
8394 | return NULL; | |
8395 | } | |
8396 | ||
8397 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
8398 | goto nla_put_failure; | |
567ffc35 JB |
8399 | |
8400 | if (info) { | |
8401 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
8402 | info->vendor_id)) | |
8403 | goto nla_put_failure; | |
8404 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
8405 | info->subcmd)) | |
8406 | goto nla_put_failure; | |
8407 | } | |
8408 | ||
6c09e791 | 8409 | if (wdev) { |
2dad624e ND |
8410 | if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
8411 | wdev_id(wdev), NL80211_ATTR_PAD)) | |
6c09e791 AK |
8412 | goto nla_put_failure; |
8413 | if (wdev->netdev && | |
8414 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
8415 | wdev->netdev->ifindex)) | |
8416 | goto nla_put_failure; | |
8417 | } | |
8418 | ||
ad7e718c | 8419 | data = nla_nest_start(skb, attr); |
76e1fb4b JB |
8420 | if (!data) |
8421 | goto nla_put_failure; | |
ad7e718c JB |
8422 | |
8423 | ((void **)skb->cb)[0] = rdev; | |
8424 | ((void **)skb->cb)[1] = hdr; | |
8425 | ((void **)skb->cb)[2] = data; | |
8426 | ||
8427 | return skb; | |
8428 | ||
8429 | nla_put_failure: | |
8430 | kfree_skb(skb); | |
8431 | return NULL; | |
8432 | } | |
f4e583c8 | 8433 | |
e03ad6ea | 8434 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 8435 | struct wireless_dev *wdev, |
e03ad6ea JB |
8436 | enum nl80211_commands cmd, |
8437 | enum nl80211_attrs attr, | |
8438 | int vendor_event_idx, | |
8439 | int approxlen, gfp_t gfp) | |
8440 | { | |
f26cbf40 | 8441 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
8442 | const struct nl80211_vendor_cmd_info *info; |
8443 | ||
8444 | switch (cmd) { | |
8445 | case NL80211_CMD_TESTMODE: | |
8446 | if (WARN_ON(vendor_event_idx != -1)) | |
8447 | return NULL; | |
8448 | info = NULL; | |
8449 | break; | |
8450 | case NL80211_CMD_VENDOR: | |
8451 | if (WARN_ON(vendor_event_idx < 0 || | |
8452 | vendor_event_idx >= wiphy->n_vendor_events)) | |
8453 | return NULL; | |
8454 | info = &wiphy->vendor_events[vendor_event_idx]; | |
8455 | break; | |
8456 | default: | |
8457 | WARN_ON(1); | |
8458 | return NULL; | |
8459 | } | |
8460 | ||
6c09e791 | 8461 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0, |
e03ad6ea JB |
8462 | cmd, attr, info, gfp); |
8463 | } | |
8464 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
8465 | ||
8466 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
8467 | { | |
8468 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
8469 | void *hdr = ((void **)skb->cb)[1]; | |
8470 | struct nlattr *data = ((void **)skb->cb)[2]; | |
8471 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
8472 | ||
bd8c78e7 JB |
8473 | /* clear CB data for netlink core to own from now on */ |
8474 | memset(skb->cb, 0, sizeof(skb->cb)); | |
8475 | ||
e03ad6ea JB |
8476 | nla_nest_end(skb, data); |
8477 | genlmsg_end(skb, hdr); | |
8478 | ||
8479 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
8480 | mcgrp = NL80211_MCGRP_VENDOR; | |
8481 | ||
8482 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
8483 | mcgrp, gfp); | |
8484 | } | |
8485 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
8486 | ||
aff89a9b | 8487 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
8488 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
8489 | { | |
4c476991 | 8490 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
8491 | struct wireless_dev *wdev = |
8492 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
8493 | int err; |
8494 | ||
fc73f11f DS |
8495 | if (!rdev->ops->testmode_cmd) |
8496 | return -EOPNOTSUPP; | |
8497 | ||
8498 | if (IS_ERR(wdev)) { | |
8499 | err = PTR_ERR(wdev); | |
8500 | if (err != -EINVAL) | |
8501 | return err; | |
8502 | wdev = NULL; | |
8503 | } else if (wdev->wiphy != &rdev->wiphy) { | |
8504 | return -EINVAL; | |
8505 | } | |
8506 | ||
aff89a9b JB |
8507 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
8508 | return -EINVAL; | |
8509 | ||
ad7e718c | 8510 | rdev->cur_cmd_info = info; |
fc73f11f | 8511 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
8512 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
8513 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 8514 | rdev->cur_cmd_info = NULL; |
aff89a9b | 8515 | |
aff89a9b JB |
8516 | return err; |
8517 | } | |
8518 | ||
71063f0e WYG |
8519 | static int nl80211_testmode_dump(struct sk_buff *skb, |
8520 | struct netlink_callback *cb) | |
8521 | { | |
00918d33 | 8522 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
8523 | int err; |
8524 | long phy_idx; | |
8525 | void *data = NULL; | |
8526 | int data_len = 0; | |
8527 | ||
5fe231e8 JB |
8528 | rtnl_lock(); |
8529 | ||
71063f0e WYG |
8530 | if (cb->args[0]) { |
8531 | /* | |
8532 | * 0 is a valid index, but not valid for args[0], | |
8533 | * so we need to offset by 1. | |
8534 | */ | |
8535 | phy_idx = cb->args[0] - 1; | |
8536 | } else { | |
c90c39da JB |
8537 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
8538 | ||
71063f0e | 8539 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
c90c39da | 8540 | attrbuf, nl80211_fam.maxattr, nl80211_policy); |
71063f0e | 8541 | if (err) |
5fe231e8 | 8542 | goto out_err; |
00918d33 | 8543 | |
c90c39da | 8544 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
2bd7e35d | 8545 | if (IS_ERR(rdev)) { |
5fe231e8 JB |
8546 | err = PTR_ERR(rdev); |
8547 | goto out_err; | |
00918d33 | 8548 | } |
2bd7e35d JB |
8549 | phy_idx = rdev->wiphy_idx; |
8550 | rdev = NULL; | |
2bd7e35d | 8551 | |
c90c39da JB |
8552 | if (attrbuf[NL80211_ATTR_TESTDATA]) |
8553 | cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA]; | |
71063f0e WYG |
8554 | } |
8555 | ||
8556 | if (cb->args[1]) { | |
8557 | data = nla_data((void *)cb->args[1]); | |
8558 | data_len = nla_len((void *)cb->args[1]); | |
8559 | } | |
8560 | ||
00918d33 JB |
8561 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
8562 | if (!rdev) { | |
5fe231e8 JB |
8563 | err = -ENOENT; |
8564 | goto out_err; | |
71063f0e | 8565 | } |
71063f0e | 8566 | |
00918d33 | 8567 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
8568 | err = -EOPNOTSUPP; |
8569 | goto out_err; | |
8570 | } | |
8571 | ||
8572 | while (1) { | |
15e47304 | 8573 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
8574 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8575 | NL80211_CMD_TESTMODE); | |
8576 | struct nlattr *tmdata; | |
8577 | ||
cb35fba3 DC |
8578 | if (!hdr) |
8579 | break; | |
8580 | ||
9360ffd1 | 8581 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
8582 | genlmsg_cancel(skb, hdr); |
8583 | break; | |
8584 | } | |
8585 | ||
8586 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
8587 | if (!tmdata) { | |
8588 | genlmsg_cancel(skb, hdr); | |
8589 | break; | |
8590 | } | |
e35e4d28 | 8591 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
8592 | nla_nest_end(skb, tmdata); |
8593 | ||
8594 | if (err == -ENOBUFS || err == -ENOENT) { | |
8595 | genlmsg_cancel(skb, hdr); | |
8596 | break; | |
8597 | } else if (err) { | |
8598 | genlmsg_cancel(skb, hdr); | |
8599 | goto out_err; | |
8600 | } | |
8601 | ||
8602 | genlmsg_end(skb, hdr); | |
8603 | } | |
8604 | ||
8605 | err = skb->len; | |
8606 | /* see above */ | |
8607 | cb->args[0] = phy_idx + 1; | |
8608 | out_err: | |
5fe231e8 | 8609 | rtnl_unlock(); |
71063f0e WYG |
8610 | return err; |
8611 | } | |
aff89a9b JB |
8612 | #endif |
8613 | ||
b23aa676 SO |
8614 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
8615 | { | |
4c476991 JB |
8616 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8617 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
8618 | struct cfg80211_connect_params connect; |
8619 | struct wiphy *wiphy; | |
fffd0934 | 8620 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
8621 | int err; |
8622 | ||
8623 | memset(&connect, 0, sizeof(connect)); | |
8624 | ||
8625 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8626 | return -EINVAL; | |
8627 | ||
8628 | if (!info->attrs[NL80211_ATTR_SSID] || | |
8629 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
8630 | return -EINVAL; | |
8631 | ||
8632 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
8633 | connect.auth_type = | |
8634 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
8635 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
8636 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
8637 | return -EINVAL; |
8638 | } else | |
8639 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
8640 | ||
8641 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
8642 | ||
c0692b8f | 8643 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 8644 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
8645 | if (err) |
8646 | return err; | |
b23aa676 | 8647 | |
074ac8df | 8648 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8649 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8650 | return -EOPNOTSUPP; | |
b23aa676 | 8651 | |
79c97e97 | 8652 | wiphy = &rdev->wiphy; |
b23aa676 | 8653 | |
4486ea98 BS |
8654 | connect.bg_scan_period = -1; |
8655 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
8656 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
8657 | connect.bg_scan_period = | |
8658 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
8659 | } | |
8660 | ||
b23aa676 SO |
8661 | if (info->attrs[NL80211_ATTR_MAC]) |
8662 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
8663 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
8664 | connect.bssid_hint = | |
8665 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
8666 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8667 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8668 | ||
8669 | if (info->attrs[NL80211_ATTR_IE]) { | |
8670 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8671 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8672 | } | |
8673 | ||
cee00a95 JM |
8674 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
8675 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
8676 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
8677 | connect.mfp != NL80211_MFP_NO) | |
8678 | return -EINVAL; | |
8679 | } else { | |
8680 | connect.mfp = NL80211_MFP_NO; | |
8681 | } | |
8682 | ||
ba6fbacf JM |
8683 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
8684 | connect.prev_bssid = | |
8685 | nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
8686 | ||
b23aa676 | 8687 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
8688 | connect.channel = nl80211_get_valid_chan( |
8689 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8690 | if (!connect.channel) | |
1df4a510 JM |
8691 | return -EINVAL; |
8692 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
8693 | connect.channel_hint = nl80211_get_valid_chan( |
8694 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
8695 | if (!connect.channel_hint) | |
4c476991 | 8696 | return -EINVAL; |
b23aa676 SO |
8697 | } |
8698 | ||
fffd0934 JB |
8699 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
8700 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 8701 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
8702 | if (IS_ERR(connkeys)) |
8703 | return PTR_ERR(connkeys); | |
fffd0934 JB |
8704 | } |
8705 | ||
7e7c8926 BG |
8706 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
8707 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
8708 | ||
8709 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8710 | memcpy(&connect.ht_capa_mask, | |
8711 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8712 | sizeof(connect.ht_capa_mask)); | |
8713 | ||
8714 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 8715 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 8716 | kzfree(connkeys); |
7e7c8926 | 8717 | return -EINVAL; |
b4e4f47e | 8718 | } |
7e7c8926 BG |
8719 | memcpy(&connect.ht_capa, |
8720 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8721 | sizeof(connect.ht_capa)); | |
8722 | } | |
8723 | ||
ee2aca34 JB |
8724 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
8725 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
8726 | ||
8727 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
8728 | memcpy(&connect.vht_capa_mask, | |
8729 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8730 | sizeof(connect.vht_capa_mask)); | |
8731 | ||
8732 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
8733 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 8734 | kzfree(connkeys); |
ee2aca34 JB |
8735 | return -EINVAL; |
8736 | } | |
8737 | memcpy(&connect.vht_capa, | |
8738 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8739 | sizeof(connect.vht_capa)); | |
8740 | } | |
8741 | ||
bab5ab7d | 8742 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8743 | if (!((rdev->wiphy.features & |
8744 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8745 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8746 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8747 | NL80211_EXT_FEATURE_RRM)) { | |
707554b4 | 8748 | kzfree(connkeys); |
bab5ab7d | 8749 | return -EINVAL; |
707554b4 | 8750 | } |
bab5ab7d AK |
8751 | connect.flags |= ASSOC_REQ_USE_RRM; |
8752 | } | |
8753 | ||
34d50519 | 8754 | connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
57fbcce3 | 8755 | if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) { |
34d50519 LD |
8756 | kzfree(connkeys); |
8757 | return -EOPNOTSUPP; | |
8758 | } | |
8759 | ||
38de03d2 AS |
8760 | if (info->attrs[NL80211_ATTR_BSS_SELECT]) { |
8761 | /* bss selection makes no sense if bssid is set */ | |
8762 | if (connect.bssid) { | |
8763 | kzfree(connkeys); | |
8764 | return -EINVAL; | |
8765 | } | |
8766 | ||
8767 | err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT], | |
8768 | wiphy, &connect.bss_select); | |
8769 | if (err) { | |
8770 | kzfree(connkeys); | |
8771 | return err; | |
8772 | } | |
8773 | } | |
8774 | ||
83739b03 | 8775 | wdev_lock(dev->ieee80211_ptr); |
4ce2bd9c JM |
8776 | err = cfg80211_connect(rdev, dev, &connect, connkeys, |
8777 | connect.prev_bssid); | |
83739b03 | 8778 | wdev_unlock(dev->ieee80211_ptr); |
fffd0934 | 8779 | if (err) |
b47f610b | 8780 | kzfree(connkeys); |
b23aa676 SO |
8781 | return err; |
8782 | } | |
8783 | ||
088e8df8 | 8784 | static int nl80211_update_connect_params(struct sk_buff *skb, |
8785 | struct genl_info *info) | |
8786 | { | |
8787 | struct cfg80211_connect_params connect = {}; | |
8788 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8789 | struct net_device *dev = info->user_ptr[1]; | |
8790 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8791 | u32 changed = 0; | |
8792 | int ret; | |
8793 | ||
8794 | if (!rdev->ops->update_connect_params) | |
8795 | return -EOPNOTSUPP; | |
8796 | ||
8797 | if (info->attrs[NL80211_ATTR_IE]) { | |
8798 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8799 | return -EINVAL; | |
8800 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8801 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8802 | changed |= UPDATE_ASSOC_IES; | |
8803 | } | |
8804 | ||
8805 | wdev_lock(dev->ieee80211_ptr); | |
8806 | if (!wdev->current_bss) | |
8807 | ret = -ENOLINK; | |
8808 | else | |
8809 | ret = rdev_update_connect_params(rdev, dev, &connect, changed); | |
8810 | wdev_unlock(dev->ieee80211_ptr); | |
8811 | ||
8812 | return ret; | |
8813 | } | |
8814 | ||
b23aa676 SO |
8815 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) |
8816 | { | |
4c476991 JB |
8817 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8818 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 8819 | u16 reason; |
83739b03 | 8820 | int ret; |
b23aa676 SO |
8821 | |
8822 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8823 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
8824 | else | |
8825 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
8826 | ||
8827 | if (reason == 0) | |
8828 | return -EINVAL; | |
8829 | ||
074ac8df | 8830 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8831 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8832 | return -EOPNOTSUPP; | |
b23aa676 | 8833 | |
83739b03 JB |
8834 | wdev_lock(dev->ieee80211_ptr); |
8835 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
8836 | wdev_unlock(dev->ieee80211_ptr); | |
8837 | return ret; | |
b23aa676 SO |
8838 | } |
8839 | ||
463d0183 JB |
8840 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
8841 | { | |
4c476991 | 8842 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
8843 | struct net *net; |
8844 | int err; | |
463d0183 | 8845 | |
4b681c82 VK |
8846 | if (info->attrs[NL80211_ATTR_PID]) { |
8847 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
8848 | ||
8849 | net = get_net_ns_by_pid(pid); | |
8850 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
8851 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 8852 | |
4b681c82 VK |
8853 | net = get_net_ns_by_fd(fd); |
8854 | } else { | |
8855 | return -EINVAL; | |
8856 | } | |
463d0183 | 8857 | |
4c476991 JB |
8858 | if (IS_ERR(net)) |
8859 | return PTR_ERR(net); | |
463d0183 JB |
8860 | |
8861 | err = 0; | |
8862 | ||
8863 | /* check if anything to do */ | |
4c476991 JB |
8864 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
8865 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 8866 | |
463d0183 | 8867 | put_net(net); |
463d0183 JB |
8868 | return err; |
8869 | } | |
8870 | ||
67fbb16b SO |
8871 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
8872 | { | |
4c476991 | 8873 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
8874 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
8875 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 8876 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
8877 | struct cfg80211_pmksa pmksa; |
8878 | ||
8879 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
8880 | ||
8881 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8882 | return -EINVAL; | |
8883 | ||
8884 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
8885 | return -EINVAL; | |
8886 | ||
67fbb16b SO |
8887 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
8888 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8889 | ||
074ac8df | 8890 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8891 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8892 | return -EOPNOTSUPP; | |
67fbb16b SO |
8893 | |
8894 | switch (info->genlhdr->cmd) { | |
8895 | case NL80211_CMD_SET_PMKSA: | |
8896 | rdev_ops = rdev->ops->set_pmksa; | |
8897 | break; | |
8898 | case NL80211_CMD_DEL_PMKSA: | |
8899 | rdev_ops = rdev->ops->del_pmksa; | |
8900 | break; | |
8901 | default: | |
8902 | WARN_ON(1); | |
8903 | break; | |
8904 | } | |
8905 | ||
4c476991 JB |
8906 | if (!rdev_ops) |
8907 | return -EOPNOTSUPP; | |
67fbb16b | 8908 | |
4c476991 | 8909 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
8910 | } |
8911 | ||
8912 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
8913 | { | |
4c476991 JB |
8914 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8915 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 8916 | |
074ac8df | 8917 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8918 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8919 | return -EOPNOTSUPP; | |
67fbb16b | 8920 | |
4c476991 JB |
8921 | if (!rdev->ops->flush_pmksa) |
8922 | return -EOPNOTSUPP; | |
67fbb16b | 8923 | |
e35e4d28 | 8924 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
8925 | } |
8926 | ||
109086ce AN |
8927 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
8928 | { | |
8929 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8930 | struct net_device *dev = info->user_ptr[1]; | |
8931 | u8 action_code, dialog_token; | |
df942e7b | 8932 | u32 peer_capability = 0; |
109086ce AN |
8933 | u16 status_code; |
8934 | u8 *peer; | |
31fa97c5 | 8935 | bool initiator; |
109086ce AN |
8936 | |
8937 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
8938 | !rdev->ops->tdls_mgmt) | |
8939 | return -EOPNOTSUPP; | |
8940 | ||
8941 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
8942 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
8943 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
8944 | !info->attrs[NL80211_ATTR_IE] || | |
8945 | !info->attrs[NL80211_ATTR_MAC]) | |
8946 | return -EINVAL; | |
8947 | ||
8948 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8949 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
8950 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
8951 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 8952 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
8953 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
8954 | peer_capability = | |
8955 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 8956 | |
e35e4d28 | 8957 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 8958 | dialog_token, status_code, peer_capability, |
31fa97c5 | 8959 | initiator, |
e35e4d28 HG |
8960 | nla_data(info->attrs[NL80211_ATTR_IE]), |
8961 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
8962 | } |
8963 | ||
8964 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
8965 | { | |
8966 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8967 | struct net_device *dev = info->user_ptr[1]; | |
8968 | enum nl80211_tdls_operation operation; | |
8969 | u8 *peer; | |
8970 | ||
8971 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
8972 | !rdev->ops->tdls_oper) | |
8973 | return -EOPNOTSUPP; | |
8974 | ||
8975 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
8976 | !info->attrs[NL80211_ATTR_MAC]) | |
8977 | return -EINVAL; | |
8978 | ||
8979 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
8980 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8981 | ||
e35e4d28 | 8982 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
8983 | } |
8984 | ||
9588bbd5 JM |
8985 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
8986 | struct genl_info *info) | |
8987 | { | |
4c476991 | 8988 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8989 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 8990 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
8991 | struct sk_buff *msg; |
8992 | void *hdr; | |
8993 | u64 cookie; | |
683b6d3b | 8994 | u32 duration; |
9588bbd5 JM |
8995 | int err; |
8996 | ||
8997 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
8998 | !info->attrs[NL80211_ATTR_DURATION]) | |
8999 | return -EINVAL; | |
9000 | ||
9001 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
9002 | ||
ebf348fc JB |
9003 | if (!rdev->ops->remain_on_channel || |
9004 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
9005 | return -EOPNOTSUPP; | |
9006 | ||
9588bbd5 | 9007 | /* |
ebf348fc JB |
9008 | * We should be on that channel for at least a minimum amount of |
9009 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 9010 | */ |
ebf348fc | 9011 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 9012 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
9013 | return -EINVAL; |
9014 | ||
683b6d3b JB |
9015 | err = nl80211_parse_chandef(rdev, info, &chandef); |
9016 | if (err) | |
9017 | return err; | |
9588bbd5 JM |
9018 | |
9019 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9020 | if (!msg) |
9021 | return -ENOMEM; | |
9588bbd5 | 9022 | |
15e47304 | 9023 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 9024 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
9025 | if (!hdr) { |
9026 | err = -ENOBUFS; | |
9588bbd5 JM |
9027 | goto free_msg; |
9028 | } | |
9029 | ||
683b6d3b JB |
9030 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
9031 | duration, &cookie); | |
9588bbd5 JM |
9032 | |
9033 | if (err) | |
9034 | goto free_msg; | |
9035 | ||
2dad624e ND |
9036 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9037 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9038 | goto nla_put_failure; |
9588bbd5 JM |
9039 | |
9040 | genlmsg_end(msg, hdr); | |
4c476991 JB |
9041 | |
9042 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
9043 | |
9044 | nla_put_failure: | |
9045 | err = -ENOBUFS; | |
9046 | free_msg: | |
9047 | nlmsg_free(msg); | |
9588bbd5 JM |
9048 | return err; |
9049 | } | |
9050 | ||
9051 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
9052 | struct genl_info *info) | |
9053 | { | |
4c476991 | 9054 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9055 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 9056 | u64 cookie; |
9588bbd5 JM |
9057 | |
9058 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9059 | return -EINVAL; | |
9060 | ||
4c476991 JB |
9061 | if (!rdev->ops->cancel_remain_on_channel) |
9062 | return -EOPNOTSUPP; | |
9588bbd5 | 9063 | |
9588bbd5 JM |
9064 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
9065 | ||
e35e4d28 | 9066 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
9067 | } |
9068 | ||
13ae75b1 JM |
9069 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, |
9070 | struct genl_info *info) | |
9071 | { | |
13ae75b1 | 9072 | struct cfg80211_bitrate_mask mask; |
a7c7fbff | 9073 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9074 | struct net_device *dev = info->user_ptr[1]; |
a7c7fbff | 9075 | int err; |
13ae75b1 | 9076 | |
4c476991 JB |
9077 | if (!rdev->ops->set_bitrate_mask) |
9078 | return -EOPNOTSUPP; | |
13ae75b1 | 9079 | |
a7c7fbff PK |
9080 | err = nl80211_parse_tx_bitrate_mask(info, &mask); |
9081 | if (err) | |
9082 | return err; | |
13ae75b1 | 9083 | |
e35e4d28 | 9084 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
9085 | } |
9086 | ||
2e161f78 | 9087 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9088 | { |
4c476991 | 9089 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9090 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 9091 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
9092 | |
9093 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
9094 | return -EINVAL; | |
9095 | ||
2e161f78 JB |
9096 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
9097 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 9098 | |
71bbc994 JB |
9099 | switch (wdev->iftype) { |
9100 | case NL80211_IFTYPE_STATION: | |
9101 | case NL80211_IFTYPE_ADHOC: | |
9102 | case NL80211_IFTYPE_P2P_CLIENT: | |
9103 | case NL80211_IFTYPE_AP: | |
9104 | case NL80211_IFTYPE_AP_VLAN: | |
9105 | case NL80211_IFTYPE_MESH_POINT: | |
9106 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9107 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9108 | break; |
cb3b7d87 | 9109 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9110 | default: |
4c476991 | 9111 | return -EOPNOTSUPP; |
71bbc994 | 9112 | } |
026331c4 JM |
9113 | |
9114 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
9115 | if (!rdev->ops->mgmt_tx) |
9116 | return -EOPNOTSUPP; | |
026331c4 | 9117 | |
15e47304 | 9118 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
9119 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
9120 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
9121 | } |
9122 | ||
2e161f78 | 9123 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9124 | { |
4c476991 | 9125 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9126 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9127 | struct cfg80211_chan_def chandef; |
026331c4 | 9128 | int err; |
d64d373f | 9129 | void *hdr = NULL; |
026331c4 | 9130 | u64 cookie; |
e247bd90 | 9131 | struct sk_buff *msg = NULL; |
b176e629 AO |
9132 | struct cfg80211_mgmt_tx_params params = { |
9133 | .dont_wait_for_ack = | |
9134 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
9135 | }; | |
026331c4 | 9136 | |
683b6d3b | 9137 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
9138 | return -EINVAL; |
9139 | ||
4c476991 JB |
9140 | if (!rdev->ops->mgmt_tx) |
9141 | return -EOPNOTSUPP; | |
026331c4 | 9142 | |
71bbc994 | 9143 | switch (wdev->iftype) { |
ea141b75 AQ |
9144 | case NL80211_IFTYPE_P2P_DEVICE: |
9145 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
9146 | return -EINVAL; | |
71bbc994 JB |
9147 | case NL80211_IFTYPE_STATION: |
9148 | case NL80211_IFTYPE_ADHOC: | |
9149 | case NL80211_IFTYPE_P2P_CLIENT: | |
9150 | case NL80211_IFTYPE_AP: | |
9151 | case NL80211_IFTYPE_AP_VLAN: | |
9152 | case NL80211_IFTYPE_MESH_POINT: | |
9153 | case NL80211_IFTYPE_P2P_GO: | |
9154 | break; | |
cb3b7d87 | 9155 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9156 | default: |
4c476991 | 9157 | return -EOPNOTSUPP; |
71bbc994 | 9158 | } |
026331c4 | 9159 | |
f7ca38df | 9160 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 9161 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 9162 | return -EINVAL; |
b176e629 | 9163 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
9164 | |
9165 | /* | |
9166 | * We should wait on the channel for at least a minimum amount | |
9167 | * of time (10ms) but no longer than the driver supports. | |
9168 | */ | |
b176e629 AO |
9169 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
9170 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc | 9171 | return -EINVAL; |
f7ca38df JB |
9172 | } |
9173 | ||
b176e629 | 9174 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 9175 | |
b176e629 | 9176 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
9177 | return -EINVAL; |
9178 | ||
b176e629 | 9179 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 9180 | |
ea141b75 AQ |
9181 | /* get the channel if any has been specified, otherwise pass NULL to |
9182 | * the driver. The latter will use the current one | |
9183 | */ | |
9184 | chandef.chan = NULL; | |
9185 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
9186 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9187 | if (err) | |
9188 | return err; | |
9189 | } | |
9190 | ||
b176e629 | 9191 | if (!chandef.chan && params.offchan) |
ea141b75 | 9192 | return -EINVAL; |
026331c4 | 9193 | |
34d22ce2 AO |
9194 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
9195 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
9196 | ||
9197 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
9198 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9199 | int i; | |
9200 | ||
9201 | if (len % sizeof(u16)) | |
9202 | return -EINVAL; | |
9203 | ||
9204 | params.n_csa_offsets = len / sizeof(u16); | |
9205 | params.csa_offsets = | |
9206 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9207 | ||
9208 | /* check that all the offsets fit the frame */ | |
9209 | for (i = 0; i < params.n_csa_offsets; i++) { | |
9210 | if (params.csa_offsets[i] >= params.len) | |
9211 | return -EINVAL; | |
9212 | } | |
9213 | } | |
9214 | ||
b176e629 | 9215 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
9216 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
9217 | if (!msg) | |
9218 | return -ENOMEM; | |
026331c4 | 9219 | |
15e47304 | 9220 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 9221 | NL80211_CMD_FRAME); |
cb35fba3 DC |
9222 | if (!hdr) { |
9223 | err = -ENOBUFS; | |
e247bd90 JB |
9224 | goto free_msg; |
9225 | } | |
026331c4 | 9226 | } |
e247bd90 | 9227 | |
b176e629 AO |
9228 | params.chan = chandef.chan; |
9229 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
9230 | if (err) |
9231 | goto free_msg; | |
9232 | ||
e247bd90 | 9233 | if (msg) { |
2dad624e ND |
9234 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9235 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9236 | goto nla_put_failure; |
026331c4 | 9237 | |
e247bd90 JB |
9238 | genlmsg_end(msg, hdr); |
9239 | return genlmsg_reply(msg, info); | |
9240 | } | |
9241 | ||
9242 | return 0; | |
026331c4 JM |
9243 | |
9244 | nla_put_failure: | |
9245 | err = -ENOBUFS; | |
9246 | free_msg: | |
9247 | nlmsg_free(msg); | |
026331c4 JM |
9248 | return err; |
9249 | } | |
9250 | ||
f7ca38df JB |
9251 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
9252 | { | |
9253 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 9254 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
9255 | u64 cookie; |
9256 | ||
9257 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9258 | return -EINVAL; | |
9259 | ||
9260 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
9261 | return -EOPNOTSUPP; | |
9262 | ||
71bbc994 JB |
9263 | switch (wdev->iftype) { |
9264 | case NL80211_IFTYPE_STATION: | |
9265 | case NL80211_IFTYPE_ADHOC: | |
9266 | case NL80211_IFTYPE_P2P_CLIENT: | |
9267 | case NL80211_IFTYPE_AP: | |
9268 | case NL80211_IFTYPE_AP_VLAN: | |
9269 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9270 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9271 | break; |
cb3b7d87 | 9272 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9273 | default: |
f7ca38df | 9274 | return -EOPNOTSUPP; |
71bbc994 | 9275 | } |
f7ca38df JB |
9276 | |
9277 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
9278 | ||
e35e4d28 | 9279 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
9280 | } |
9281 | ||
ffb9eb3d KV |
9282 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
9283 | { | |
4c476991 | 9284 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 9285 | struct wireless_dev *wdev; |
4c476991 | 9286 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9287 | u8 ps_state; |
9288 | bool state; | |
9289 | int err; | |
9290 | ||
4c476991 JB |
9291 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
9292 | return -EINVAL; | |
ffb9eb3d KV |
9293 | |
9294 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
9295 | ||
4c476991 JB |
9296 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
9297 | return -EINVAL; | |
ffb9eb3d KV |
9298 | |
9299 | wdev = dev->ieee80211_ptr; | |
9300 | ||
4c476991 JB |
9301 | if (!rdev->ops->set_power_mgmt) |
9302 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9303 | |
9304 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
9305 | ||
9306 | if (state == wdev->ps) | |
4c476991 | 9307 | return 0; |
ffb9eb3d | 9308 | |
e35e4d28 | 9309 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
9310 | if (!err) |
9311 | wdev->ps = state; | |
ffb9eb3d KV |
9312 | return err; |
9313 | } | |
9314 | ||
9315 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
9316 | { | |
4c476991 | 9317 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
9318 | enum nl80211_ps_state ps_state; |
9319 | struct wireless_dev *wdev; | |
4c476991 | 9320 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9321 | struct sk_buff *msg; |
9322 | void *hdr; | |
9323 | int err; | |
9324 | ||
ffb9eb3d KV |
9325 | wdev = dev->ieee80211_ptr; |
9326 | ||
4c476991 JB |
9327 | if (!rdev->ops->set_power_mgmt) |
9328 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9329 | |
9330 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9331 | if (!msg) |
9332 | return -ENOMEM; | |
ffb9eb3d | 9333 | |
15e47304 | 9334 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
9335 | NL80211_CMD_GET_POWER_SAVE); |
9336 | if (!hdr) { | |
4c476991 | 9337 | err = -ENOBUFS; |
ffb9eb3d KV |
9338 | goto free_msg; |
9339 | } | |
9340 | ||
9341 | if (wdev->ps) | |
9342 | ps_state = NL80211_PS_ENABLED; | |
9343 | else | |
9344 | ps_state = NL80211_PS_DISABLED; | |
9345 | ||
9360ffd1 DM |
9346 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
9347 | goto nla_put_failure; | |
ffb9eb3d KV |
9348 | |
9349 | genlmsg_end(msg, hdr); | |
4c476991 | 9350 | return genlmsg_reply(msg, info); |
ffb9eb3d | 9351 | |
4c476991 | 9352 | nla_put_failure: |
ffb9eb3d | 9353 | err = -ENOBUFS; |
4c476991 | 9354 | free_msg: |
ffb9eb3d | 9355 | nlmsg_free(msg); |
ffb9eb3d KV |
9356 | return err; |
9357 | } | |
9358 | ||
94e860f1 JB |
9359 | static const struct nla_policy |
9360 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
9361 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
9362 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
9363 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
9364 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
9365 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
9366 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
9367 | }; |
9368 | ||
84f10708 | 9369 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 9370 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
9371 | { |
9372 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 9373 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9374 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 9375 | |
d9d8b019 | 9376 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
9377 | return -EINVAL; |
9378 | ||
84f10708 TP |
9379 | if (!rdev->ops->set_cqm_txe_config) |
9380 | return -EOPNOTSUPP; | |
9381 | ||
9382 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
9383 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
9384 | return -EOPNOTSUPP; | |
9385 | ||
e35e4d28 | 9386 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
9387 | } |
9388 | ||
d6dc1a38 JO |
9389 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
9390 | s32 threshold, u32 hysteresis) | |
9391 | { | |
4c476991 | 9392 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9393 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9394 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
9395 | |
9396 | if (threshold > 0) | |
9397 | return -EINVAL; | |
9398 | ||
1da5fcc8 JB |
9399 | /* disabling - hysteresis should also be zero then */ |
9400 | if (threshold == 0) | |
9401 | hysteresis = 0; | |
d6dc1a38 | 9402 | |
4c476991 JB |
9403 | if (!rdev->ops->set_cqm_rssi_config) |
9404 | return -EOPNOTSUPP; | |
d6dc1a38 | 9405 | |
074ac8df | 9406 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9407 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9408 | return -EOPNOTSUPP; | |
d6dc1a38 | 9409 | |
e35e4d28 | 9410 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
9411 | } |
9412 | ||
9413 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
9414 | { | |
9415 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
9416 | struct nlattr *cqm; | |
9417 | int err; | |
9418 | ||
9419 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
9420 | if (!cqm) |
9421 | return -EINVAL; | |
d6dc1a38 JO |
9422 | |
9423 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
9424 | nl80211_attr_cqm_policy); | |
9425 | if (err) | |
1da5fcc8 | 9426 | return err; |
d6dc1a38 JO |
9427 | |
9428 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
9429 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
9430 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
9431 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 9432 | |
1da5fcc8 JB |
9433 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
9434 | } | |
9435 | ||
9436 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
9437 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
9438 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
9439 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
9440 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
9441 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
9442 | ||
9443 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
9444 | } | |
9445 | ||
9446 | return -EINVAL; | |
d6dc1a38 JO |
9447 | } |
9448 | ||
6e0bd6c3 RL |
9449 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
9450 | { | |
9451 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9452 | struct net_device *dev = info->user_ptr[1]; | |
9453 | struct ocb_setup setup = {}; | |
9454 | int err; | |
9455 | ||
9456 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
9457 | if (err) | |
9458 | return err; | |
9459 | ||
9460 | return cfg80211_join_ocb(rdev, dev, &setup); | |
9461 | } | |
9462 | ||
9463 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
9464 | { | |
9465 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9466 | struct net_device *dev = info->user_ptr[1]; | |
9467 | ||
9468 | return cfg80211_leave_ocb(rdev, dev); | |
9469 | } | |
9470 | ||
29cbe68c JB |
9471 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
9472 | { | |
9473 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9474 | struct net_device *dev = info->user_ptr[1]; | |
9475 | struct mesh_config cfg; | |
c80d545d | 9476 | struct mesh_setup setup; |
29cbe68c JB |
9477 | int err; |
9478 | ||
9479 | /* start with default */ | |
9480 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 9481 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 9482 | |
24bdd9f4 | 9483 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 9484 | /* and parse parameters if given */ |
24bdd9f4 | 9485 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
9486 | if (err) |
9487 | return err; | |
9488 | } | |
9489 | ||
9490 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
9491 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
9492 | return -EINVAL; | |
9493 | ||
c80d545d JC |
9494 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
9495 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
9496 | ||
4bb62344 CYY |
9497 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
9498 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
9499 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
9500 | return -EINVAL; | |
9501 | ||
9bdbf04d MP |
9502 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
9503 | setup.beacon_interval = | |
9504 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 9505 | |
0c317a02 PK |
9506 | err = cfg80211_validate_beacon_int(rdev, |
9507 | NL80211_IFTYPE_MESH_POINT, | |
9508 | setup.beacon_interval); | |
12d20fc9 PK |
9509 | if (err) |
9510 | return err; | |
9bdbf04d MP |
9511 | } |
9512 | ||
9513 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
9514 | setup.dtim_period = | |
9515 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
9516 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
9517 | return -EINVAL; | |
9518 | } | |
9519 | ||
c80d545d JC |
9520 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
9521 | /* parse additional setup parameters if given */ | |
9522 | err = nl80211_parse_mesh_setup(info, &setup); | |
9523 | if (err) | |
9524 | return err; | |
9525 | } | |
9526 | ||
d37bb18a TP |
9527 | if (setup.user_mpm) |
9528 | cfg.auto_open_plinks = false; | |
9529 | ||
cc1d2806 | 9530 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
9531 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
9532 | if (err) | |
9533 | return err; | |
cc1d2806 JB |
9534 | } else { |
9535 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 9536 | setup.chandef.chan = NULL; |
cc1d2806 JB |
9537 | } |
9538 | ||
ffb3cf30 AN |
9539 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
9540 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9541 | int n_rates = | |
9542 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9543 | struct ieee80211_supported_band *sband; | |
9544 | ||
9545 | if (!setup.chandef.chan) | |
9546 | return -EINVAL; | |
9547 | ||
9548 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
9549 | ||
9550 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
9551 | &setup.basic_rates); | |
9552 | if (err) | |
9553 | return err; | |
9554 | } | |
9555 | ||
8564e382 JB |
9556 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
9557 | err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate); | |
9558 | if (err) | |
9559 | return err; | |
9560 | ||
9561 | err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band, | |
9562 | &setup.beacon_rate); | |
9563 | if (err) | |
9564 | return err; | |
9565 | } | |
9566 | ||
c80d545d | 9567 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
9568 | } |
9569 | ||
9570 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
9571 | { | |
9572 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9573 | struct net_device *dev = info->user_ptr[1]; | |
9574 | ||
9575 | return cfg80211_leave_mesh(rdev, dev); | |
9576 | } | |
9577 | ||
dfb89c56 | 9578 | #ifdef CONFIG_PM |
bb92d199 AK |
9579 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
9580 | struct cfg80211_registered_device *rdev) | |
9581 | { | |
6abb9cb9 | 9582 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
9583 | struct nlattr *nl_pats, *nl_pat; |
9584 | int i, pat_len; | |
9585 | ||
6abb9cb9 | 9586 | if (!wowlan->n_patterns) |
bb92d199 AK |
9587 | return 0; |
9588 | ||
9589 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
9590 | if (!nl_pats) | |
9591 | return -ENOBUFS; | |
9592 | ||
6abb9cb9 | 9593 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
9594 | nl_pat = nla_nest_start(msg, i + 1); |
9595 | if (!nl_pat) | |
9596 | return -ENOBUFS; | |
6abb9cb9 | 9597 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 9598 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 9599 | wowlan->patterns[i].mask) || |
50ac6607 AK |
9600 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
9601 | wowlan->patterns[i].pattern) || | |
9602 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 9603 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
9604 | return -ENOBUFS; |
9605 | nla_nest_end(msg, nl_pat); | |
9606 | } | |
9607 | nla_nest_end(msg, nl_pats); | |
9608 | ||
9609 | return 0; | |
9610 | } | |
9611 | ||
2a0e047e JB |
9612 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
9613 | struct cfg80211_wowlan_tcp *tcp) | |
9614 | { | |
9615 | struct nlattr *nl_tcp; | |
9616 | ||
9617 | if (!tcp) | |
9618 | return 0; | |
9619 | ||
9620 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
9621 | if (!nl_tcp) | |
9622 | return -ENOBUFS; | |
9623 | ||
930345ea JB |
9624 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
9625 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
9626 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
9627 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
9628 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
9629 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
9630 | tcp->payload_len, tcp->payload) || | |
9631 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
9632 | tcp->data_interval) || | |
9633 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
9634 | tcp->wake_len, tcp->wake_data) || | |
9635 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
9636 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
9637 | return -ENOBUFS; | |
9638 | ||
9639 | if (tcp->payload_seq.len && | |
9640 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
9641 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
9642 | return -ENOBUFS; | |
9643 | ||
9644 | if (tcp->payload_tok.len && | |
9645 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
9646 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
9647 | &tcp->payload_tok)) | |
9648 | return -ENOBUFS; | |
9649 | ||
e248ad30 JB |
9650 | nla_nest_end(msg, nl_tcp); |
9651 | ||
2a0e047e JB |
9652 | return 0; |
9653 | } | |
9654 | ||
75453ccb LC |
9655 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
9656 | struct cfg80211_sched_scan_request *req) | |
9657 | { | |
3b06d277 | 9658 | struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan; |
75453ccb LC |
9659 | int i; |
9660 | ||
9661 | if (!req) | |
9662 | return 0; | |
9663 | ||
9664 | nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT); | |
9665 | if (!nd) | |
9666 | return -ENOBUFS; | |
9667 | ||
3b06d277 AS |
9668 | if (req->n_scan_plans == 1 && |
9669 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, | |
9670 | req->scan_plans[0].interval * 1000)) | |
75453ccb LC |
9671 | return -ENOBUFS; |
9672 | ||
21fea567 LC |
9673 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
9674 | return -ENOBUFS; | |
9675 | ||
75453ccb LC |
9676 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
9677 | if (!freqs) | |
9678 | return -ENOBUFS; | |
9679 | ||
53b18980 JB |
9680 | for (i = 0; i < req->n_channels; i++) { |
9681 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9682 | return -ENOBUFS; | |
9683 | } | |
75453ccb LC |
9684 | |
9685 | nla_nest_end(msg, freqs); | |
9686 | ||
9687 | if (req->n_match_sets) { | |
9688 | matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
76e1fb4b JB |
9689 | if (!matches) |
9690 | return -ENOBUFS; | |
9691 | ||
75453ccb LC |
9692 | for (i = 0; i < req->n_match_sets; i++) { |
9693 | match = nla_nest_start(msg, i); | |
76e1fb4b JB |
9694 | if (!match) |
9695 | return -ENOBUFS; | |
9696 | ||
53b18980 JB |
9697 | if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, |
9698 | req->match_sets[i].ssid.ssid_len, | |
9699 | req->match_sets[i].ssid.ssid)) | |
9700 | return -ENOBUFS; | |
75453ccb LC |
9701 | nla_nest_end(msg, match); |
9702 | } | |
9703 | nla_nest_end(msg, matches); | |
9704 | } | |
9705 | ||
3b06d277 AS |
9706 | scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS); |
9707 | if (!scan_plans) | |
9708 | return -ENOBUFS; | |
9709 | ||
9710 | for (i = 0; i < req->n_scan_plans; i++) { | |
9711 | scan_plan = nla_nest_start(msg, i + 1); | |
76e1fb4b JB |
9712 | if (!scan_plan) |
9713 | return -ENOBUFS; | |
9714 | ||
3b06d277 AS |
9715 | if (!scan_plan || |
9716 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, | |
9717 | req->scan_plans[i].interval) || | |
9718 | (req->scan_plans[i].iterations && | |
9719 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, | |
9720 | req->scan_plans[i].iterations))) | |
9721 | return -ENOBUFS; | |
9722 | nla_nest_end(msg, scan_plan); | |
9723 | } | |
9724 | nla_nest_end(msg, scan_plans); | |
9725 | ||
75453ccb LC |
9726 | nla_nest_end(msg, nd); |
9727 | ||
9728 | return 0; | |
9729 | } | |
9730 | ||
ff1b6e69 JB |
9731 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
9732 | { | |
9733 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9734 | struct sk_buff *msg; | |
9735 | void *hdr; | |
2a0e047e | 9736 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 9737 | |
964dc9e2 | 9738 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
9739 | return -EOPNOTSUPP; |
9740 | ||
6abb9cb9 | 9741 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 9742 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
9743 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
9744 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
9745 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
9746 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
9747 | } |
9748 | ||
9749 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
9750 | if (!msg) |
9751 | return -ENOMEM; | |
9752 | ||
15e47304 | 9753 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
9754 | NL80211_CMD_GET_WOWLAN); |
9755 | if (!hdr) | |
9756 | goto nla_put_failure; | |
9757 | ||
6abb9cb9 | 9758 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
9759 | struct nlattr *nl_wowlan; |
9760 | ||
9761 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
9762 | if (!nl_wowlan) | |
9763 | goto nla_put_failure; | |
9764 | ||
6abb9cb9 | 9765 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 9766 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 9767 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 9768 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 9769 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 9770 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 9771 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 9772 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 9773 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 9774 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 9775 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 9776 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 9777 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
9778 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
9779 | goto nla_put_failure; | |
2a0e047e | 9780 | |
bb92d199 AK |
9781 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
9782 | goto nla_put_failure; | |
2a0e047e | 9783 | |
6abb9cb9 JB |
9784 | if (nl80211_send_wowlan_tcp(msg, |
9785 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 9786 | goto nla_put_failure; |
75453ccb LC |
9787 | |
9788 | if (nl80211_send_wowlan_nd( | |
9789 | msg, | |
9790 | rdev->wiphy.wowlan_config->nd_config)) | |
9791 | goto nla_put_failure; | |
2a0e047e | 9792 | |
ff1b6e69 JB |
9793 | nla_nest_end(msg, nl_wowlan); |
9794 | } | |
9795 | ||
9796 | genlmsg_end(msg, hdr); | |
9797 | return genlmsg_reply(msg, info); | |
9798 | ||
9799 | nla_put_failure: | |
9800 | nlmsg_free(msg); | |
9801 | return -ENOBUFS; | |
9802 | } | |
9803 | ||
2a0e047e JB |
9804 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
9805 | struct nlattr *attr, | |
9806 | struct cfg80211_wowlan *trig) | |
9807 | { | |
9808 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
9809 | struct cfg80211_wowlan_tcp *cfg; | |
9810 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
9811 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
9812 | u32 size; | |
9813 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
9814 | int err, port; | |
9815 | ||
964dc9e2 | 9816 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
9817 | return -EINVAL; |
9818 | ||
bfe2c7b1 JB |
9819 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr, |
9820 | nl80211_wowlan_tcp_policy); | |
2a0e047e JB |
9821 | if (err) |
9822 | return err; | |
9823 | ||
9824 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
9825 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
9826 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
9827 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
9828 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
9829 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
9830 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
9831 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
9832 | return -EINVAL; | |
9833 | ||
9834 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 9835 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
9836 | return -EINVAL; |
9837 | ||
9838 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 9839 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 9840 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
9841 | return -EINVAL; |
9842 | ||
9843 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 9844 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
9845 | return -EINVAL; |
9846 | ||
9847 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
9848 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
9849 | return -EINVAL; | |
9850 | ||
9851 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
9852 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9853 | ||
9854 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9855 | tokens_size = tokln - sizeof(*tok); | |
9856 | ||
9857 | if (!tok->len || tokens_size % tok->len) | |
9858 | return -EINVAL; | |
964dc9e2 | 9859 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 9860 | return -EINVAL; |
964dc9e2 | 9861 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 9862 | return -EINVAL; |
964dc9e2 | 9863 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 9864 | return -EINVAL; |
964dc9e2 | 9865 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
9866 | return -EINVAL; |
9867 | if (tok->offset + tok->len > data_size) | |
9868 | return -EINVAL; | |
9869 | } | |
9870 | ||
9871 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
9872 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 9873 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
9874 | return -EINVAL; |
9875 | if (seq->len == 0 || seq->len > 4) | |
9876 | return -EINVAL; | |
9877 | if (seq->len + seq->offset > data_size) | |
9878 | return -EINVAL; | |
9879 | } | |
9880 | ||
9881 | size = sizeof(*cfg); | |
9882 | size += data_size; | |
9883 | size += wake_size + wake_mask_size; | |
9884 | size += tokens_size; | |
9885 | ||
9886 | cfg = kzalloc(size, GFP_KERNEL); | |
9887 | if (!cfg) | |
9888 | return -ENOMEM; | |
67b61f6c JB |
9889 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
9890 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
9891 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
9892 | ETH_ALEN); | |
9893 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
9894 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
9895 | else | |
9896 | port = 0; | |
9897 | #ifdef CONFIG_INET | |
9898 | /* allocate a socket and port for it and use it */ | |
9899 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
9900 | IPPROTO_TCP, &cfg->sock, 1); | |
9901 | if (err) { | |
9902 | kfree(cfg); | |
9903 | return err; | |
9904 | } | |
9905 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
9906 | sock_release(cfg->sock); | |
9907 | kfree(cfg); | |
9908 | return -EADDRINUSE; | |
9909 | } | |
9910 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
9911 | #else | |
9912 | if (!port) { | |
9913 | kfree(cfg); | |
9914 | return -EINVAL; | |
9915 | } | |
9916 | cfg->src_port = port; | |
9917 | #endif | |
9918 | ||
9919 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
9920 | cfg->payload_len = data_size; | |
9921 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
9922 | memcpy((void *)cfg->payload, | |
9923 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
9924 | data_size); | |
9925 | if (seq) | |
9926 | cfg->payload_seq = *seq; | |
9927 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
9928 | cfg->wake_len = wake_size; | |
9929 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
9930 | memcpy((void *)cfg->wake_data, | |
9931 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
9932 | wake_size); | |
9933 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
9934 | data_size + wake_size; | |
9935 | memcpy((void *)cfg->wake_mask, | |
9936 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
9937 | wake_mask_size); | |
9938 | if (tok) { | |
9939 | cfg->tokens_size = tokens_size; | |
9940 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
9941 | } | |
9942 | ||
9943 | trig->tcp = cfg; | |
9944 | ||
9945 | return 0; | |
9946 | } | |
9947 | ||
8cd4d456 LC |
9948 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
9949 | const struct wiphy_wowlan_support *wowlan, | |
9950 | struct nlattr *attr, | |
9951 | struct cfg80211_wowlan *trig) | |
9952 | { | |
9953 | struct nlattr **tb; | |
9954 | int err; | |
9955 | ||
9956 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
9957 | if (!tb) | |
9958 | return -ENOMEM; | |
9959 | ||
9960 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
9961 | err = -EOPNOTSUPP; | |
9962 | goto out; | |
9963 | } | |
9964 | ||
bfe2c7b1 | 9965 | err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy); |
8cd4d456 LC |
9966 | if (err) |
9967 | goto out; | |
9968 | ||
ad2b26ab | 9969 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb); |
8cd4d456 LC |
9970 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
9971 | if (err) | |
9972 | trig->nd_config = NULL; | |
9973 | ||
9974 | out: | |
9975 | kfree(tb); | |
9976 | return err; | |
9977 | } | |
9978 | ||
ff1b6e69 JB |
9979 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
9980 | { | |
9981 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9982 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 9983 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 9984 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 9985 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 9986 | int err, i; |
6abb9cb9 | 9987 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 9988 | bool regular = false; |
ff1b6e69 | 9989 | |
964dc9e2 | 9990 | if (!wowlan) |
ff1b6e69 JB |
9991 | return -EOPNOTSUPP; |
9992 | ||
ae33bd81 JB |
9993 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
9994 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 9995 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
9996 | goto set_wakeup; |
9997 | } | |
ff1b6e69 | 9998 | |
bfe2c7b1 JB |
9999 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG, |
10000 | info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS], | |
10001 | nl80211_wowlan_policy); | |
ff1b6e69 JB |
10002 | if (err) |
10003 | return err; | |
10004 | ||
10005 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
10006 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
10007 | return -EINVAL; | |
10008 | new_triggers.any = true; | |
10009 | } | |
10010 | ||
10011 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
10012 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
10013 | return -EINVAL; | |
10014 | new_triggers.disconnect = true; | |
98fc4386 | 10015 | regular = true; |
ff1b6e69 JB |
10016 | } |
10017 | ||
10018 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
10019 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
10020 | return -EINVAL; | |
10021 | new_triggers.magic_pkt = true; | |
98fc4386 | 10022 | regular = true; |
ff1b6e69 JB |
10023 | } |
10024 | ||
77dbbb13 JB |
10025 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
10026 | return -EINVAL; | |
10027 | ||
10028 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
10029 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
10030 | return -EINVAL; | |
10031 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 10032 | regular = true; |
77dbbb13 JB |
10033 | } |
10034 | ||
10035 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
10036 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
10037 | return -EINVAL; | |
10038 | new_triggers.eap_identity_req = true; | |
98fc4386 | 10039 | regular = true; |
77dbbb13 JB |
10040 | } |
10041 | ||
10042 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
10043 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
10044 | return -EINVAL; | |
10045 | new_triggers.four_way_handshake = true; | |
98fc4386 | 10046 | regular = true; |
77dbbb13 JB |
10047 | } |
10048 | ||
10049 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
10050 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
10051 | return -EINVAL; | |
10052 | new_triggers.rfkill_release = true; | |
98fc4386 | 10053 | regular = true; |
77dbbb13 JB |
10054 | } |
10055 | ||
ff1b6e69 JB |
10056 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
10057 | struct nlattr *pat; | |
10058 | int n_patterns = 0; | |
bb92d199 | 10059 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 10060 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 10061 | |
98fc4386 JB |
10062 | regular = true; |
10063 | ||
ff1b6e69 JB |
10064 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
10065 | rem) | |
10066 | n_patterns++; | |
10067 | if (n_patterns > wowlan->n_patterns) | |
10068 | return -EINVAL; | |
10069 | ||
10070 | new_triggers.patterns = kcalloc(n_patterns, | |
10071 | sizeof(new_triggers.patterns[0]), | |
10072 | GFP_KERNEL); | |
10073 | if (!new_triggers.patterns) | |
10074 | return -ENOMEM; | |
10075 | ||
10076 | new_triggers.n_patterns = n_patterns; | |
10077 | i = 0; | |
10078 | ||
10079 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
10080 | rem) { | |
922bd80f JB |
10081 | u8 *mask_pat; |
10082 | ||
bfe2c7b1 JB |
10083 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, |
10084 | NULL); | |
ff1b6e69 | 10085 | err = -EINVAL; |
50ac6607 AK |
10086 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10087 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 10088 | goto error; |
50ac6607 | 10089 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 10090 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 10091 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
10092 | goto error; |
10093 | if (pat_len > wowlan->pattern_max_len || | |
10094 | pat_len < wowlan->pattern_min_len) | |
10095 | goto error; | |
10096 | ||
50ac6607 | 10097 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
10098 | pkt_offset = 0; |
10099 | else | |
10100 | pkt_offset = nla_get_u32( | |
50ac6607 | 10101 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
10102 | if (pkt_offset > wowlan->max_pkt_offset) |
10103 | goto error; | |
10104 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
10105 | ||
922bd80f JB |
10106 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10107 | if (!mask_pat) { | |
ff1b6e69 JB |
10108 | err = -ENOMEM; |
10109 | goto error; | |
10110 | } | |
922bd80f JB |
10111 | new_triggers.patterns[i].mask = mask_pat; |
10112 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 10113 | mask_len); |
922bd80f JB |
10114 | mask_pat += mask_len; |
10115 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 10116 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 10117 | memcpy(mask_pat, |
50ac6607 | 10118 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
10119 | pat_len); |
10120 | i++; | |
10121 | } | |
10122 | } | |
10123 | ||
2a0e047e | 10124 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 10125 | regular = true; |
2a0e047e JB |
10126 | err = nl80211_parse_wowlan_tcp( |
10127 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
10128 | &new_triggers); | |
10129 | if (err) | |
10130 | goto error; | |
10131 | } | |
10132 | ||
8cd4d456 | 10133 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 10134 | regular = true; |
8cd4d456 LC |
10135 | err = nl80211_parse_wowlan_nd( |
10136 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
10137 | &new_triggers); | |
10138 | if (err) | |
10139 | goto error; | |
10140 | } | |
10141 | ||
98fc4386 JB |
10142 | /* The 'any' trigger means the device continues operating more or less |
10143 | * as in its normal operation mode and wakes up the host on most of the | |
10144 | * normal interrupts (like packet RX, ...) | |
10145 | * It therefore makes little sense to combine with the more constrained | |
10146 | * wakeup trigger modes. | |
10147 | */ | |
10148 | if (new_triggers.any && regular) { | |
10149 | err = -EINVAL; | |
10150 | goto error; | |
10151 | } | |
10152 | ||
ae33bd81 JB |
10153 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
10154 | if (!ntrig) { | |
10155 | err = -ENOMEM; | |
10156 | goto error; | |
ff1b6e69 | 10157 | } |
ae33bd81 | 10158 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 10159 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 10160 | |
ae33bd81 | 10161 | set_wakeup: |
6abb9cb9 JB |
10162 | if (rdev->ops->set_wakeup && |
10163 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
10164 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 10165 | |
ff1b6e69 JB |
10166 | return 0; |
10167 | error: | |
10168 | for (i = 0; i < new_triggers.n_patterns; i++) | |
10169 | kfree(new_triggers.patterns[i].mask); | |
10170 | kfree(new_triggers.patterns); | |
2a0e047e JB |
10171 | if (new_triggers.tcp && new_triggers.tcp->sock) |
10172 | sock_release(new_triggers.tcp->sock); | |
10173 | kfree(new_triggers.tcp); | |
e5dbe070 | 10174 | kfree(new_triggers.nd_config); |
ff1b6e69 JB |
10175 | return err; |
10176 | } | |
dfb89c56 | 10177 | #endif |
ff1b6e69 | 10178 | |
be29b99a AK |
10179 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
10180 | struct cfg80211_registered_device *rdev) | |
10181 | { | |
10182 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
10183 | int i, j, pat_len; | |
10184 | struct cfg80211_coalesce_rules *rule; | |
10185 | ||
10186 | if (!rdev->coalesce->n_rules) | |
10187 | return 0; | |
10188 | ||
10189 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
10190 | if (!nl_rules) | |
10191 | return -ENOBUFS; | |
10192 | ||
10193 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
10194 | nl_rule = nla_nest_start(msg, i + 1); | |
10195 | if (!nl_rule) | |
10196 | return -ENOBUFS; | |
10197 | ||
10198 | rule = &rdev->coalesce->rules[i]; | |
10199 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
10200 | rule->delay)) | |
10201 | return -ENOBUFS; | |
10202 | ||
10203 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
10204 | rule->condition)) | |
10205 | return -ENOBUFS; | |
10206 | ||
10207 | nl_pats = nla_nest_start(msg, | |
10208 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
10209 | if (!nl_pats) | |
10210 | return -ENOBUFS; | |
10211 | ||
10212 | for (j = 0; j < rule->n_patterns; j++) { | |
10213 | nl_pat = nla_nest_start(msg, j + 1); | |
10214 | if (!nl_pat) | |
10215 | return -ENOBUFS; | |
10216 | pat_len = rule->patterns[j].pattern_len; | |
10217 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
10218 | DIV_ROUND_UP(pat_len, 8), | |
10219 | rule->patterns[j].mask) || | |
10220 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
10221 | rule->patterns[j].pattern) || | |
10222 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
10223 | rule->patterns[j].pkt_offset)) | |
10224 | return -ENOBUFS; | |
10225 | nla_nest_end(msg, nl_pat); | |
10226 | } | |
10227 | nla_nest_end(msg, nl_pats); | |
10228 | nla_nest_end(msg, nl_rule); | |
10229 | } | |
10230 | nla_nest_end(msg, nl_rules); | |
10231 | ||
10232 | return 0; | |
10233 | } | |
10234 | ||
10235 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10236 | { | |
10237 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10238 | struct sk_buff *msg; | |
10239 | void *hdr; | |
10240 | ||
10241 | if (!rdev->wiphy.coalesce) | |
10242 | return -EOPNOTSUPP; | |
10243 | ||
10244 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10245 | if (!msg) | |
10246 | return -ENOMEM; | |
10247 | ||
10248 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10249 | NL80211_CMD_GET_COALESCE); | |
10250 | if (!hdr) | |
10251 | goto nla_put_failure; | |
10252 | ||
10253 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
10254 | goto nla_put_failure; | |
10255 | ||
10256 | genlmsg_end(msg, hdr); | |
10257 | return genlmsg_reply(msg, info); | |
10258 | ||
10259 | nla_put_failure: | |
10260 | nlmsg_free(msg); | |
10261 | return -ENOBUFS; | |
10262 | } | |
10263 | ||
10264 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
10265 | { | |
10266 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
10267 | int i, j; | |
10268 | struct cfg80211_coalesce_rules *rule; | |
10269 | ||
10270 | if (!coalesce) | |
10271 | return; | |
10272 | ||
10273 | for (i = 0; i < coalesce->n_rules; i++) { | |
10274 | rule = &coalesce->rules[i]; | |
10275 | for (j = 0; j < rule->n_patterns; j++) | |
10276 | kfree(rule->patterns[j].mask); | |
10277 | kfree(rule->patterns); | |
10278 | } | |
10279 | kfree(coalesce->rules); | |
10280 | kfree(coalesce); | |
10281 | rdev->coalesce = NULL; | |
10282 | } | |
10283 | ||
10284 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
10285 | struct nlattr *rule, | |
10286 | struct cfg80211_coalesce_rules *new_rule) | |
10287 | { | |
10288 | int err, i; | |
10289 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10290 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
10291 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
10292 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
10293 | ||
bfe2c7b1 JB |
10294 | err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule, |
10295 | nl80211_coalesce_policy); | |
be29b99a AK |
10296 | if (err) |
10297 | return err; | |
10298 | ||
10299 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
10300 | new_rule->delay = | |
10301 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
10302 | if (new_rule->delay > coalesce->max_delay) | |
10303 | return -EINVAL; | |
10304 | ||
10305 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
10306 | new_rule->condition = | |
10307 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
10308 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
10309 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
10310 | return -EINVAL; | |
10311 | ||
10312 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
10313 | return -EINVAL; | |
10314 | ||
10315 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10316 | rem) | |
10317 | n_patterns++; | |
10318 | if (n_patterns > coalesce->n_patterns) | |
10319 | return -EINVAL; | |
10320 | ||
10321 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
10322 | GFP_KERNEL); | |
10323 | if (!new_rule->patterns) | |
10324 | return -ENOMEM; | |
10325 | ||
10326 | new_rule->n_patterns = n_patterns; | |
10327 | i = 0; | |
10328 | ||
10329 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10330 | rem) { | |
922bd80f JB |
10331 | u8 *mask_pat; |
10332 | ||
bfe2c7b1 | 10333 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL); |
be29b99a AK |
10334 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10335 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
10336 | return -EINVAL; | |
10337 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
10338 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
10339 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
10340 | return -EINVAL; | |
10341 | if (pat_len > coalesce->pattern_max_len || | |
10342 | pat_len < coalesce->pattern_min_len) | |
10343 | return -EINVAL; | |
10344 | ||
10345 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
10346 | pkt_offset = 0; | |
10347 | else | |
10348 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
10349 | if (pkt_offset > coalesce->max_pkt_offset) | |
10350 | return -EINVAL; | |
10351 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
10352 | ||
922bd80f JB |
10353 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10354 | if (!mask_pat) | |
be29b99a | 10355 | return -ENOMEM; |
922bd80f JB |
10356 | |
10357 | new_rule->patterns[i].mask = mask_pat; | |
10358 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
10359 | mask_len); | |
10360 | ||
10361 | mask_pat += mask_len; | |
10362 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 10363 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
10364 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
10365 | pat_len); | |
be29b99a AK |
10366 | i++; |
10367 | } | |
10368 | ||
10369 | return 0; | |
10370 | } | |
10371 | ||
10372 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10373 | { | |
10374 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10375 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10376 | struct cfg80211_coalesce new_coalesce = {}; | |
10377 | struct cfg80211_coalesce *n_coalesce; | |
10378 | int err, rem_rule, n_rules = 0, i, j; | |
10379 | struct nlattr *rule; | |
10380 | struct cfg80211_coalesce_rules *tmp_rule; | |
10381 | ||
10382 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
10383 | return -EOPNOTSUPP; | |
10384 | ||
10385 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
10386 | cfg80211_rdev_free_coalesce(rdev); | |
a1056b1b | 10387 | rdev_set_coalesce(rdev, NULL); |
be29b99a AK |
10388 | return 0; |
10389 | } | |
10390 | ||
10391 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10392 | rem_rule) | |
10393 | n_rules++; | |
10394 | if (n_rules > coalesce->n_rules) | |
10395 | return -EINVAL; | |
10396 | ||
10397 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
10398 | GFP_KERNEL); | |
10399 | if (!new_coalesce.rules) | |
10400 | return -ENOMEM; | |
10401 | ||
10402 | new_coalesce.n_rules = n_rules; | |
10403 | i = 0; | |
10404 | ||
10405 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10406 | rem_rule) { | |
10407 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
10408 | &new_coalesce.rules[i]); | |
10409 | if (err) | |
10410 | goto error; | |
10411 | ||
10412 | i++; | |
10413 | } | |
10414 | ||
a1056b1b | 10415 | err = rdev_set_coalesce(rdev, &new_coalesce); |
be29b99a AK |
10416 | if (err) |
10417 | goto error; | |
10418 | ||
10419 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
10420 | if (!n_coalesce) { | |
10421 | err = -ENOMEM; | |
10422 | goto error; | |
10423 | } | |
10424 | cfg80211_rdev_free_coalesce(rdev); | |
10425 | rdev->coalesce = n_coalesce; | |
10426 | ||
10427 | return 0; | |
10428 | error: | |
10429 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
10430 | tmp_rule = &new_coalesce.rules[i]; | |
10431 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
10432 | kfree(tmp_rule->patterns[j].mask); | |
10433 | kfree(tmp_rule->patterns); | |
10434 | } | |
10435 | kfree(new_coalesce.rules); | |
10436 | ||
10437 | return err; | |
10438 | } | |
10439 | ||
e5497d76 JB |
10440 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
10441 | { | |
10442 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10443 | struct net_device *dev = info->user_ptr[1]; | |
10444 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10445 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
10446 | struct cfg80211_gtk_rekey_data rekey_data; | |
10447 | int err; | |
10448 | ||
10449 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
10450 | return -EINVAL; | |
10451 | ||
bfe2c7b1 JB |
10452 | err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA, |
10453 | info->attrs[NL80211_ATTR_REKEY_DATA], | |
10454 | nl80211_rekey_policy); | |
e5497d76 JB |
10455 | if (err) |
10456 | return err; | |
10457 | ||
10458 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
10459 | return -ERANGE; | |
10460 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
10461 | return -ERANGE; | |
10462 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
10463 | return -ERANGE; | |
10464 | ||
78f686ca JB |
10465 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
10466 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
10467 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
10468 | |
10469 | wdev_lock(wdev); | |
10470 | if (!wdev->current_bss) { | |
10471 | err = -ENOTCONN; | |
10472 | goto out; | |
10473 | } | |
10474 | ||
10475 | if (!rdev->ops->set_rekey_data) { | |
10476 | err = -EOPNOTSUPP; | |
10477 | goto out; | |
10478 | } | |
10479 | ||
e35e4d28 | 10480 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
10481 | out: |
10482 | wdev_unlock(wdev); | |
10483 | return err; | |
10484 | } | |
10485 | ||
28946da7 JB |
10486 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
10487 | struct genl_info *info) | |
10488 | { | |
10489 | struct net_device *dev = info->user_ptr[1]; | |
10490 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10491 | ||
10492 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10493 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10494 | return -EINVAL; | |
10495 | ||
15e47304 | 10496 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
10497 | return -EBUSY; |
10498 | ||
15e47304 | 10499 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
10500 | return 0; |
10501 | } | |
10502 | ||
7f6cf311 JB |
10503 | static int nl80211_probe_client(struct sk_buff *skb, |
10504 | struct genl_info *info) | |
10505 | { | |
10506 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10507 | struct net_device *dev = info->user_ptr[1]; | |
10508 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10509 | struct sk_buff *msg; | |
10510 | void *hdr; | |
10511 | const u8 *addr; | |
10512 | u64 cookie; | |
10513 | int err; | |
10514 | ||
10515 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10516 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10517 | return -EOPNOTSUPP; | |
10518 | ||
10519 | if (!info->attrs[NL80211_ATTR_MAC]) | |
10520 | return -EINVAL; | |
10521 | ||
10522 | if (!rdev->ops->probe_client) | |
10523 | return -EOPNOTSUPP; | |
10524 | ||
10525 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10526 | if (!msg) | |
10527 | return -ENOMEM; | |
10528 | ||
15e47304 | 10529 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 10530 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
10531 | if (!hdr) { |
10532 | err = -ENOBUFS; | |
7f6cf311 JB |
10533 | goto free_msg; |
10534 | } | |
10535 | ||
10536 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10537 | ||
e35e4d28 | 10538 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
10539 | if (err) |
10540 | goto free_msg; | |
10541 | ||
2dad624e ND |
10542 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
10543 | NL80211_ATTR_PAD)) | |
9360ffd1 | 10544 | goto nla_put_failure; |
7f6cf311 JB |
10545 | |
10546 | genlmsg_end(msg, hdr); | |
10547 | ||
10548 | return genlmsg_reply(msg, info); | |
10549 | ||
10550 | nla_put_failure: | |
10551 | err = -ENOBUFS; | |
10552 | free_msg: | |
10553 | nlmsg_free(msg); | |
10554 | return err; | |
10555 | } | |
10556 | ||
5e760230 JB |
10557 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
10558 | { | |
10559 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
10560 | struct cfg80211_beacon_registration *reg, *nreg; |
10561 | int rv; | |
5e760230 JB |
10562 | |
10563 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
10564 | return -EOPNOTSUPP; | |
10565 | ||
37c73b5f BG |
10566 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
10567 | if (!nreg) | |
10568 | return -ENOMEM; | |
10569 | ||
10570 | /* First, check if already registered. */ | |
10571 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
10572 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
10573 | if (reg->nlportid == info->snd_portid) { | |
10574 | rv = -EALREADY; | |
10575 | goto out_err; | |
10576 | } | |
10577 | } | |
10578 | /* Add it to the list */ | |
10579 | nreg->nlportid = info->snd_portid; | |
10580 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 10581 | |
37c73b5f | 10582 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
10583 | |
10584 | return 0; | |
37c73b5f BG |
10585 | out_err: |
10586 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
10587 | kfree(nreg); | |
10588 | return rv; | |
5e760230 JB |
10589 | } |
10590 | ||
98104fde JB |
10591 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
10592 | { | |
10593 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10594 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10595 | int err; | |
10596 | ||
10597 | if (!rdev->ops->start_p2p_device) | |
10598 | return -EOPNOTSUPP; | |
10599 | ||
10600 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10601 | return -EOPNOTSUPP; | |
10602 | ||
73c7da3d | 10603 | if (wdev_running(wdev)) |
98104fde JB |
10604 | return 0; |
10605 | ||
b6a55015 LC |
10606 | if (rfkill_blocked(rdev->rfkill)) |
10607 | return -ERFKILL; | |
98104fde | 10608 | |
eeb126e9 | 10609 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
10610 | if (err) |
10611 | return err; | |
10612 | ||
73c7da3d | 10613 | wdev->is_running = true; |
98104fde | 10614 | rdev->opencount++; |
98104fde JB |
10615 | |
10616 | return 0; | |
10617 | } | |
10618 | ||
10619 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
10620 | { | |
10621 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10622 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10623 | ||
10624 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10625 | return -EOPNOTSUPP; | |
10626 | ||
10627 | if (!rdev->ops->stop_p2p_device) | |
10628 | return -EOPNOTSUPP; | |
10629 | ||
f9f47529 | 10630 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
10631 | |
10632 | return 0; | |
10633 | } | |
10634 | ||
cb3b7d87 AB |
10635 | static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info) |
10636 | { | |
10637 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10638 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10639 | struct cfg80211_nan_conf conf = {}; | |
10640 | int err; | |
10641 | ||
10642 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10643 | return -EOPNOTSUPP; | |
10644 | ||
eeb04a96 | 10645 | if (wdev_running(wdev)) |
cb3b7d87 AB |
10646 | return -EEXIST; |
10647 | ||
10648 | if (rfkill_blocked(rdev->rfkill)) | |
10649 | return -ERFKILL; | |
10650 | ||
10651 | if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) | |
10652 | return -EINVAL; | |
10653 | ||
10654 | if (!info->attrs[NL80211_ATTR_NAN_DUAL]) | |
10655 | return -EINVAL; | |
10656 | ||
10657 | conf.master_pref = | |
10658 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
10659 | if (!conf.master_pref) | |
10660 | return -EINVAL; | |
10661 | ||
10662 | conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]); | |
10663 | ||
10664 | err = rdev_start_nan(rdev, wdev, &conf); | |
10665 | if (err) | |
10666 | return err; | |
10667 | ||
73c7da3d | 10668 | wdev->is_running = true; |
cb3b7d87 AB |
10669 | rdev->opencount++; |
10670 | ||
10671 | return 0; | |
10672 | } | |
10673 | ||
10674 | static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info) | |
10675 | { | |
10676 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10677 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10678 | ||
10679 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10680 | return -EOPNOTSUPP; | |
10681 | ||
10682 | cfg80211_stop_nan(rdev, wdev); | |
10683 | ||
10684 | return 0; | |
10685 | } | |
10686 | ||
a442b761 AB |
10687 | static int validate_nan_filter(struct nlattr *filter_attr) |
10688 | { | |
10689 | struct nlattr *attr; | |
10690 | int len = 0, n_entries = 0, rem; | |
10691 | ||
10692 | nla_for_each_nested(attr, filter_attr, rem) { | |
10693 | len += nla_len(attr); | |
10694 | n_entries++; | |
10695 | } | |
10696 | ||
10697 | if (len >= U8_MAX) | |
10698 | return -EINVAL; | |
10699 | ||
10700 | return n_entries; | |
10701 | } | |
10702 | ||
10703 | static int handle_nan_filter(struct nlattr *attr_filter, | |
10704 | struct cfg80211_nan_func *func, | |
10705 | bool tx) | |
10706 | { | |
10707 | struct nlattr *attr; | |
10708 | int n_entries, rem, i; | |
10709 | struct cfg80211_nan_func_filter *filter; | |
10710 | ||
10711 | n_entries = validate_nan_filter(attr_filter); | |
10712 | if (n_entries < 0) | |
10713 | return n_entries; | |
10714 | ||
10715 | BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters)); | |
10716 | ||
10717 | filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL); | |
10718 | if (!filter) | |
10719 | return -ENOMEM; | |
10720 | ||
10721 | i = 0; | |
10722 | nla_for_each_nested(attr, attr_filter, rem) { | |
b15ca182 | 10723 | filter[i].filter = nla_memdup(attr, GFP_KERNEL); |
a442b761 AB |
10724 | filter[i].len = nla_len(attr); |
10725 | i++; | |
10726 | } | |
10727 | if (tx) { | |
10728 | func->num_tx_filters = n_entries; | |
10729 | func->tx_filters = filter; | |
10730 | } else { | |
10731 | func->num_rx_filters = n_entries; | |
10732 | func->rx_filters = filter; | |
10733 | } | |
10734 | ||
10735 | return 0; | |
10736 | } | |
10737 | ||
10738 | static int nl80211_nan_add_func(struct sk_buff *skb, | |
10739 | struct genl_info *info) | |
10740 | { | |
10741 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10742 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10743 | struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr; | |
10744 | struct cfg80211_nan_func *func; | |
10745 | struct sk_buff *msg = NULL; | |
10746 | void *hdr = NULL; | |
10747 | int err = 0; | |
10748 | ||
10749 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10750 | return -EOPNOTSUPP; | |
10751 | ||
73c7da3d | 10752 | if (!wdev_running(wdev)) |
a442b761 AB |
10753 | return -ENOTCONN; |
10754 | ||
10755 | if (!info->attrs[NL80211_ATTR_NAN_FUNC]) | |
10756 | return -EINVAL; | |
10757 | ||
10758 | if (wdev->owner_nlportid && | |
10759 | wdev->owner_nlportid != info->snd_portid) | |
10760 | return -ENOTCONN; | |
10761 | ||
bfe2c7b1 JB |
10762 | err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX, |
10763 | info->attrs[NL80211_ATTR_NAN_FUNC], | |
10764 | nl80211_nan_func_policy); | |
a442b761 AB |
10765 | if (err) |
10766 | return err; | |
10767 | ||
10768 | func = kzalloc(sizeof(*func), GFP_KERNEL); | |
10769 | if (!func) | |
10770 | return -ENOMEM; | |
10771 | ||
10772 | func->cookie = wdev->wiphy->cookie_counter++; | |
10773 | ||
10774 | if (!tb[NL80211_NAN_FUNC_TYPE] || | |
10775 | nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) { | |
10776 | err = -EINVAL; | |
10777 | goto out; | |
10778 | } | |
10779 | ||
10780 | ||
10781 | func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]); | |
10782 | ||
10783 | if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) { | |
10784 | err = -EINVAL; | |
10785 | goto out; | |
10786 | } | |
10787 | ||
10788 | memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]), | |
10789 | sizeof(func->service_id)); | |
10790 | ||
10791 | func->close_range = | |
10792 | nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]); | |
10793 | ||
10794 | if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) { | |
10795 | func->serv_spec_info_len = | |
10796 | nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]); | |
10797 | func->serv_spec_info = | |
10798 | kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]), | |
10799 | func->serv_spec_info_len, | |
10800 | GFP_KERNEL); | |
10801 | if (!func->serv_spec_info) { | |
10802 | err = -ENOMEM; | |
10803 | goto out; | |
10804 | } | |
10805 | } | |
10806 | ||
10807 | if (tb[NL80211_NAN_FUNC_TTL]) | |
10808 | func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]); | |
10809 | ||
10810 | switch (func->type) { | |
10811 | case NL80211_NAN_FUNC_PUBLISH: | |
10812 | if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) { | |
10813 | err = -EINVAL; | |
10814 | goto out; | |
10815 | } | |
10816 | ||
10817 | func->publish_type = | |
10818 | nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]); | |
10819 | func->publish_bcast = | |
10820 | nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]); | |
10821 | ||
10822 | if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) && | |
10823 | func->publish_bcast) { | |
10824 | err = -EINVAL; | |
10825 | goto out; | |
10826 | } | |
10827 | break; | |
10828 | case NL80211_NAN_FUNC_SUBSCRIBE: | |
10829 | func->subscribe_active = | |
10830 | nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]); | |
10831 | break; | |
10832 | case NL80211_NAN_FUNC_FOLLOW_UP: | |
10833 | if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] || | |
10834 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) { | |
10835 | err = -EINVAL; | |
10836 | goto out; | |
10837 | } | |
10838 | ||
10839 | func->followup_id = | |
10840 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]); | |
10841 | func->followup_reqid = | |
10842 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]); | |
10843 | memcpy(func->followup_dest.addr, | |
10844 | nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]), | |
10845 | sizeof(func->followup_dest.addr)); | |
10846 | if (func->ttl) { | |
10847 | err = -EINVAL; | |
10848 | goto out; | |
10849 | } | |
10850 | break; | |
10851 | default: | |
10852 | err = -EINVAL; | |
10853 | goto out; | |
10854 | } | |
10855 | ||
10856 | if (tb[NL80211_NAN_FUNC_SRF]) { | |
10857 | struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR]; | |
10858 | ||
bfe2c7b1 JB |
10859 | err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX, |
10860 | tb[NL80211_NAN_FUNC_SRF], | |
10861 | nl80211_nan_srf_policy); | |
a442b761 AB |
10862 | if (err) |
10863 | goto out; | |
10864 | ||
10865 | func->srf_include = | |
10866 | nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]); | |
10867 | ||
10868 | if (srf_tb[NL80211_NAN_SRF_BF]) { | |
10869 | if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] || | |
10870 | !srf_tb[NL80211_NAN_SRF_BF_IDX]) { | |
10871 | err = -EINVAL; | |
10872 | goto out; | |
10873 | } | |
10874 | ||
10875 | func->srf_bf_len = | |
10876 | nla_len(srf_tb[NL80211_NAN_SRF_BF]); | |
10877 | func->srf_bf = | |
10878 | kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]), | |
10879 | func->srf_bf_len, GFP_KERNEL); | |
10880 | if (!func->srf_bf) { | |
10881 | err = -ENOMEM; | |
10882 | goto out; | |
10883 | } | |
10884 | ||
10885 | func->srf_bf_idx = | |
10886 | nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]); | |
10887 | } else { | |
10888 | struct nlattr *attr, *mac_attr = | |
10889 | srf_tb[NL80211_NAN_SRF_MAC_ADDRS]; | |
10890 | int n_entries, rem, i = 0; | |
10891 | ||
10892 | if (!mac_attr) { | |
10893 | err = -EINVAL; | |
10894 | goto out; | |
10895 | } | |
10896 | ||
10897 | n_entries = validate_acl_mac_addrs(mac_attr); | |
10898 | if (n_entries <= 0) { | |
10899 | err = -EINVAL; | |
10900 | goto out; | |
10901 | } | |
10902 | ||
10903 | func->srf_num_macs = n_entries; | |
10904 | func->srf_macs = | |
10905 | kzalloc(sizeof(*func->srf_macs) * n_entries, | |
10906 | GFP_KERNEL); | |
10907 | if (!func->srf_macs) { | |
10908 | err = -ENOMEM; | |
10909 | goto out; | |
10910 | } | |
10911 | ||
10912 | nla_for_each_nested(attr, mac_attr, rem) | |
10913 | memcpy(func->srf_macs[i++].addr, nla_data(attr), | |
10914 | sizeof(*func->srf_macs)); | |
10915 | } | |
10916 | } | |
10917 | ||
10918 | if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) { | |
10919 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER], | |
10920 | func, true); | |
10921 | if (err) | |
10922 | goto out; | |
10923 | } | |
10924 | ||
10925 | if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) { | |
10926 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER], | |
10927 | func, false); | |
10928 | if (err) | |
10929 | goto out; | |
10930 | } | |
10931 | ||
10932 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10933 | if (!msg) { | |
10934 | err = -ENOMEM; | |
10935 | goto out; | |
10936 | } | |
10937 | ||
10938 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10939 | NL80211_CMD_ADD_NAN_FUNCTION); | |
10940 | /* This can't really happen - we just allocated 4KB */ | |
10941 | if (WARN_ON(!hdr)) { | |
10942 | err = -ENOMEM; | |
10943 | goto out; | |
10944 | } | |
10945 | ||
10946 | err = rdev_add_nan_func(rdev, wdev, func); | |
10947 | out: | |
10948 | if (err < 0) { | |
10949 | cfg80211_free_nan_func(func); | |
10950 | nlmsg_free(msg); | |
10951 | return err; | |
10952 | } | |
10953 | ||
10954 | /* propagate the instance id and cookie to userspace */ | |
10955 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie, | |
10956 | NL80211_ATTR_PAD)) | |
10957 | goto nla_put_failure; | |
10958 | ||
10959 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
10960 | if (!func_attr) | |
10961 | goto nla_put_failure; | |
10962 | ||
10963 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, | |
10964 | func->instance_id)) | |
10965 | goto nla_put_failure; | |
10966 | ||
10967 | nla_nest_end(msg, func_attr); | |
10968 | ||
10969 | genlmsg_end(msg, hdr); | |
10970 | return genlmsg_reply(msg, info); | |
10971 | ||
10972 | nla_put_failure: | |
10973 | nlmsg_free(msg); | |
10974 | return -ENOBUFS; | |
10975 | } | |
10976 | ||
10977 | static int nl80211_nan_del_func(struct sk_buff *skb, | |
10978 | struct genl_info *info) | |
10979 | { | |
10980 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10981 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10982 | u64 cookie; | |
10983 | ||
10984 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10985 | return -EOPNOTSUPP; | |
10986 | ||
73c7da3d | 10987 | if (!wdev_running(wdev)) |
a442b761 AB |
10988 | return -ENOTCONN; |
10989 | ||
10990 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
10991 | return -EINVAL; | |
10992 | ||
10993 | if (wdev->owner_nlportid && | |
10994 | wdev->owner_nlportid != info->snd_portid) | |
10995 | return -ENOTCONN; | |
10996 | ||
10997 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
10998 | ||
10999 | rdev_del_nan_func(rdev, wdev, cookie); | |
11000 | ||
11001 | return 0; | |
11002 | } | |
11003 | ||
a5a9dcf2 AB |
11004 | static int nl80211_nan_change_config(struct sk_buff *skb, |
11005 | struct genl_info *info) | |
11006 | { | |
11007 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11008 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11009 | struct cfg80211_nan_conf conf = {}; | |
11010 | u32 changed = 0; | |
11011 | ||
11012 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11013 | return -EOPNOTSUPP; | |
11014 | ||
73c7da3d | 11015 | if (!wdev_running(wdev)) |
a5a9dcf2 AB |
11016 | return -ENOTCONN; |
11017 | ||
11018 | if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) { | |
11019 | conf.master_pref = | |
11020 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
11021 | if (conf.master_pref <= 1 || conf.master_pref == 255) | |
11022 | return -EINVAL; | |
11023 | ||
11024 | changed |= CFG80211_NAN_CONF_CHANGED_PREF; | |
11025 | } | |
11026 | ||
11027 | if (info->attrs[NL80211_ATTR_NAN_DUAL]) { | |
11028 | conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]); | |
11029 | changed |= CFG80211_NAN_CONF_CHANGED_DUAL; | |
11030 | } | |
11031 | ||
11032 | if (!changed) | |
11033 | return -EINVAL; | |
11034 | ||
11035 | return rdev_nan_change_conf(rdev, wdev, &conf, changed); | |
11036 | } | |
11037 | ||
50bcd31d AB |
11038 | void cfg80211_nan_match(struct wireless_dev *wdev, |
11039 | struct cfg80211_nan_match_params *match, gfp_t gfp) | |
11040 | { | |
11041 | struct wiphy *wiphy = wdev->wiphy; | |
11042 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11043 | struct nlattr *match_attr, *local_func_attr, *peer_func_attr; | |
11044 | struct sk_buff *msg; | |
11045 | void *hdr; | |
11046 | ||
11047 | if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr)) | |
11048 | return; | |
11049 | ||
11050 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11051 | if (!msg) | |
11052 | return; | |
11053 | ||
11054 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH); | |
11055 | if (!hdr) { | |
11056 | nlmsg_free(msg); | |
11057 | return; | |
11058 | } | |
11059 | ||
11060 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11061 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11062 | wdev->netdev->ifindex)) || | |
11063 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11064 | NL80211_ATTR_PAD)) | |
11065 | goto nla_put_failure; | |
11066 | ||
11067 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie, | |
11068 | NL80211_ATTR_PAD) || | |
11069 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr)) | |
11070 | goto nla_put_failure; | |
11071 | ||
11072 | match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH); | |
11073 | if (!match_attr) | |
11074 | goto nla_put_failure; | |
11075 | ||
11076 | local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL); | |
11077 | if (!local_func_attr) | |
11078 | goto nla_put_failure; | |
11079 | ||
11080 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id)) | |
11081 | goto nla_put_failure; | |
11082 | ||
11083 | nla_nest_end(msg, local_func_attr); | |
11084 | ||
11085 | peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER); | |
11086 | if (!peer_func_attr) | |
11087 | goto nla_put_failure; | |
11088 | ||
11089 | if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) || | |
11090 | nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id)) | |
11091 | goto nla_put_failure; | |
11092 | ||
11093 | if (match->info && match->info_len && | |
11094 | nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len, | |
11095 | match->info)) | |
11096 | goto nla_put_failure; | |
11097 | ||
11098 | nla_nest_end(msg, peer_func_attr); | |
11099 | nla_nest_end(msg, match_attr); | |
11100 | genlmsg_end(msg, hdr); | |
11101 | ||
11102 | if (!wdev->owner_nlportid) | |
11103 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11104 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11105 | else | |
11106 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11107 | wdev->owner_nlportid); | |
11108 | ||
11109 | return; | |
11110 | ||
11111 | nla_put_failure: | |
11112 | nlmsg_free(msg); | |
11113 | } | |
11114 | EXPORT_SYMBOL(cfg80211_nan_match); | |
11115 | ||
368e5a7b AB |
11116 | void cfg80211_nan_func_terminated(struct wireless_dev *wdev, |
11117 | u8 inst_id, | |
11118 | enum nl80211_nan_func_term_reason reason, | |
11119 | u64 cookie, gfp_t gfp) | |
11120 | { | |
11121 | struct wiphy *wiphy = wdev->wiphy; | |
11122 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11123 | struct sk_buff *msg; | |
11124 | struct nlattr *func_attr; | |
11125 | void *hdr; | |
11126 | ||
11127 | if (WARN_ON(!inst_id)) | |
11128 | return; | |
11129 | ||
11130 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11131 | if (!msg) | |
11132 | return; | |
11133 | ||
11134 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION); | |
11135 | if (!hdr) { | |
11136 | nlmsg_free(msg); | |
11137 | return; | |
11138 | } | |
11139 | ||
11140 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11141 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11142 | wdev->netdev->ifindex)) || | |
11143 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11144 | NL80211_ATTR_PAD)) | |
11145 | goto nla_put_failure; | |
11146 | ||
11147 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, | |
11148 | NL80211_ATTR_PAD)) | |
11149 | goto nla_put_failure; | |
11150 | ||
11151 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11152 | if (!func_attr) | |
11153 | goto nla_put_failure; | |
11154 | ||
11155 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) || | |
11156 | nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason)) | |
11157 | goto nla_put_failure; | |
11158 | ||
11159 | nla_nest_end(msg, func_attr); | |
11160 | genlmsg_end(msg, hdr); | |
11161 | ||
11162 | if (!wdev->owner_nlportid) | |
11163 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11164 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11165 | else | |
11166 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11167 | wdev->owner_nlportid); | |
11168 | ||
11169 | return; | |
11170 | ||
11171 | nla_put_failure: | |
11172 | nlmsg_free(msg); | |
11173 | } | |
11174 | EXPORT_SYMBOL(cfg80211_nan_func_terminated); | |
11175 | ||
3713b4e3 JB |
11176 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
11177 | struct genl_info *info) | |
11178 | { | |
11179 | void *hdr; | |
11180 | struct sk_buff *msg; | |
11181 | ||
11182 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11183 | if (!msg) | |
11184 | return -ENOMEM; | |
11185 | ||
11186 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11187 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
11188 | if (!hdr) | |
11189 | goto nla_put_failure; | |
11190 | ||
11191 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
11192 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
11193 | goto nla_put_failure; | |
11194 | ||
11195 | genlmsg_end(msg, hdr); | |
11196 | return genlmsg_reply(msg, info); | |
11197 | ||
11198 | nla_put_failure: | |
11199 | kfree_skb(msg); | |
11200 | return -ENOBUFS; | |
11201 | } | |
11202 | ||
355199e0 JM |
11203 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
11204 | { | |
11205 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11206 | struct cfg80211_update_ft_ies_params ft_params; | |
11207 | struct net_device *dev = info->user_ptr[1]; | |
11208 | ||
11209 | if (!rdev->ops->update_ft_ies) | |
11210 | return -EOPNOTSUPP; | |
11211 | ||
11212 | if (!info->attrs[NL80211_ATTR_MDID] || | |
11213 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
11214 | return -EINVAL; | |
11215 | ||
11216 | memset(&ft_params, 0, sizeof(ft_params)); | |
11217 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
11218 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
11219 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
11220 | ||
11221 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
11222 | } | |
11223 | ||
5de17984 AS |
11224 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
11225 | struct genl_info *info) | |
11226 | { | |
11227 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11228 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11229 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
11230 | u16 duration; | |
11231 | int ret; | |
11232 | ||
11233 | if (!rdev->ops->crit_proto_start) | |
11234 | return -EOPNOTSUPP; | |
11235 | ||
11236 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
11237 | return -EINVAL; | |
11238 | ||
11239 | if (rdev->crit_proto_nlportid) | |
11240 | return -EBUSY; | |
11241 | ||
11242 | /* determine protocol if provided */ | |
11243 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
11244 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
11245 | ||
11246 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
11247 | return -EINVAL; | |
11248 | ||
11249 | /* timeout must be provided */ | |
11250 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
11251 | return -EINVAL; | |
11252 | ||
11253 | duration = | |
11254 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
11255 | ||
11256 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
11257 | return -ERANGE; | |
11258 | ||
11259 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
11260 | if (!ret) | |
11261 | rdev->crit_proto_nlportid = info->snd_portid; | |
11262 | ||
11263 | return ret; | |
11264 | } | |
11265 | ||
11266 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
11267 | struct genl_info *info) | |
11268 | { | |
11269 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11270 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11271 | ||
11272 | if (!rdev->ops->crit_proto_stop) | |
11273 | return -EOPNOTSUPP; | |
11274 | ||
11275 | if (rdev->crit_proto_nlportid) { | |
11276 | rdev->crit_proto_nlportid = 0; | |
11277 | rdev_crit_proto_stop(rdev, wdev); | |
11278 | } | |
11279 | return 0; | |
11280 | } | |
11281 | ||
ad7e718c JB |
11282 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
11283 | { | |
11284 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11285 | struct wireless_dev *wdev = | |
11286 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
11287 | int i, err; | |
11288 | u32 vid, subcmd; | |
11289 | ||
11290 | if (!rdev->wiphy.vendor_commands) | |
11291 | return -EOPNOTSUPP; | |
11292 | ||
11293 | if (IS_ERR(wdev)) { | |
11294 | err = PTR_ERR(wdev); | |
11295 | if (err != -EINVAL) | |
11296 | return err; | |
11297 | wdev = NULL; | |
11298 | } else if (wdev->wiphy != &rdev->wiphy) { | |
11299 | return -EINVAL; | |
11300 | } | |
11301 | ||
11302 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
11303 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
11304 | return -EINVAL; | |
11305 | ||
11306 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
11307 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
11308 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
11309 | const struct wiphy_vendor_command *vcmd; | |
11310 | void *data = NULL; | |
11311 | int len = 0; | |
11312 | ||
11313 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
11314 | ||
11315 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11316 | continue; | |
11317 | ||
11318 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11319 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11320 | if (!wdev) | |
11321 | return -EINVAL; | |
11322 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11323 | !wdev->netdev) | |
11324 | return -EINVAL; | |
11325 | ||
11326 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 11327 | if (!wdev_running(wdev)) |
ad7e718c JB |
11328 | return -ENETDOWN; |
11329 | } | |
7bdbe400 JB |
11330 | |
11331 | if (!vcmd->doit) | |
11332 | return -EOPNOTSUPP; | |
ad7e718c JB |
11333 | } else { |
11334 | wdev = NULL; | |
11335 | } | |
11336 | ||
11337 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
11338 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11339 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11340 | } | |
11341 | ||
11342 | rdev->cur_cmd_info = info; | |
11343 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
11344 | data, len); | |
11345 | rdev->cur_cmd_info = NULL; | |
11346 | return err; | |
11347 | } | |
11348 | ||
11349 | return -EOPNOTSUPP; | |
11350 | } | |
11351 | ||
7bdbe400 JB |
11352 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
11353 | struct netlink_callback *cb, | |
11354 | struct cfg80211_registered_device **rdev, | |
11355 | struct wireless_dev **wdev) | |
11356 | { | |
c90c39da | 11357 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
7bdbe400 JB |
11358 | u32 vid, subcmd; |
11359 | unsigned int i; | |
11360 | int vcmd_idx = -1; | |
11361 | int err; | |
11362 | void *data = NULL; | |
11363 | unsigned int data_len = 0; | |
11364 | ||
11365 | rtnl_lock(); | |
11366 | ||
11367 | if (cb->args[0]) { | |
11368 | /* subtract the 1 again here */ | |
11369 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
11370 | struct wireless_dev *tmp; | |
11371 | ||
11372 | if (!wiphy) { | |
11373 | err = -ENODEV; | |
11374 | goto out_unlock; | |
11375 | } | |
11376 | *rdev = wiphy_to_rdev(wiphy); | |
11377 | *wdev = NULL; | |
11378 | ||
11379 | if (cb->args[1]) { | |
53873f13 | 11380 | list_for_each_entry(tmp, &wiphy->wdev_list, list) { |
7bdbe400 JB |
11381 | if (tmp->identifier == cb->args[1] - 1) { |
11382 | *wdev = tmp; | |
11383 | break; | |
11384 | } | |
11385 | } | |
11386 | } | |
11387 | ||
11388 | /* keep rtnl locked in successful case */ | |
11389 | return 0; | |
11390 | } | |
11391 | ||
11392 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
c90c39da | 11393 | attrbuf, nl80211_fam.maxattr, nl80211_policy); |
7bdbe400 JB |
11394 | if (err) |
11395 | goto out_unlock; | |
11396 | ||
c90c39da JB |
11397 | if (!attrbuf[NL80211_ATTR_VENDOR_ID] || |
11398 | !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { | |
7bdbe400 JB |
11399 | err = -EINVAL; |
11400 | goto out_unlock; | |
11401 | } | |
11402 | ||
c90c39da | 11403 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
11404 | if (IS_ERR(*wdev)) |
11405 | *wdev = NULL; | |
11406 | ||
c90c39da | 11407 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
11408 | if (IS_ERR(*rdev)) { |
11409 | err = PTR_ERR(*rdev); | |
11410 | goto out_unlock; | |
11411 | } | |
11412 | ||
c90c39da JB |
11413 | vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); |
11414 | subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
7bdbe400 JB |
11415 | |
11416 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
11417 | const struct wiphy_vendor_command *vcmd; | |
11418 | ||
11419 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
11420 | ||
11421 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11422 | continue; | |
11423 | ||
11424 | if (!vcmd->dumpit) { | |
11425 | err = -EOPNOTSUPP; | |
11426 | goto out_unlock; | |
11427 | } | |
11428 | ||
11429 | vcmd_idx = i; | |
11430 | break; | |
11431 | } | |
11432 | ||
11433 | if (vcmd_idx < 0) { | |
11434 | err = -EOPNOTSUPP; | |
11435 | goto out_unlock; | |
11436 | } | |
11437 | ||
c90c39da JB |
11438 | if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { |
11439 | data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
11440 | data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
7bdbe400 JB |
11441 | } |
11442 | ||
11443 | /* 0 is the first index - add 1 to parse only once */ | |
11444 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
11445 | /* add 1 to know if it was NULL */ | |
11446 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
11447 | cb->args[2] = vcmd_idx; | |
11448 | cb->args[3] = (unsigned long)data; | |
11449 | cb->args[4] = data_len; | |
11450 | ||
11451 | /* keep rtnl locked in successful case */ | |
11452 | return 0; | |
11453 | out_unlock: | |
11454 | rtnl_unlock(); | |
11455 | return err; | |
11456 | } | |
11457 | ||
11458 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
11459 | struct netlink_callback *cb) | |
11460 | { | |
11461 | struct cfg80211_registered_device *rdev; | |
11462 | struct wireless_dev *wdev; | |
11463 | unsigned int vcmd_idx; | |
11464 | const struct wiphy_vendor_command *vcmd; | |
11465 | void *data; | |
11466 | int data_len; | |
11467 | int err; | |
11468 | struct nlattr *vendor_data; | |
11469 | ||
11470 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); | |
11471 | if (err) | |
11472 | return err; | |
11473 | ||
11474 | vcmd_idx = cb->args[2]; | |
11475 | data = (void *)cb->args[3]; | |
11476 | data_len = cb->args[4]; | |
11477 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
11478 | ||
11479 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11480 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11481 | if (!wdev) | |
11482 | return -EINVAL; | |
11483 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11484 | !wdev->netdev) | |
11485 | return -EINVAL; | |
11486 | ||
11487 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 11488 | if (!wdev_running(wdev)) |
7bdbe400 JB |
11489 | return -ENETDOWN; |
11490 | } | |
11491 | } | |
11492 | ||
11493 | while (1) { | |
11494 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
11495 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
11496 | NL80211_CMD_VENDOR); | |
11497 | if (!hdr) | |
11498 | break; | |
11499 | ||
11500 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
11501 | (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
11502 | wdev_id(wdev), | |
11503 | NL80211_ATTR_PAD))) { | |
7bdbe400 JB |
11504 | genlmsg_cancel(skb, hdr); |
11505 | break; | |
11506 | } | |
11507 | ||
11508 | vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA); | |
11509 | if (!vendor_data) { | |
11510 | genlmsg_cancel(skb, hdr); | |
11511 | break; | |
11512 | } | |
11513 | ||
11514 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
11515 | (unsigned long *)&cb->args[5]); | |
11516 | nla_nest_end(skb, vendor_data); | |
11517 | ||
11518 | if (err == -ENOBUFS || err == -ENOENT) { | |
11519 | genlmsg_cancel(skb, hdr); | |
11520 | break; | |
11521 | } else if (err) { | |
11522 | genlmsg_cancel(skb, hdr); | |
11523 | goto out; | |
11524 | } | |
11525 | ||
11526 | genlmsg_end(skb, hdr); | |
11527 | } | |
11528 | ||
11529 | err = skb->len; | |
11530 | out: | |
11531 | rtnl_unlock(); | |
11532 | return err; | |
11533 | } | |
11534 | ||
ad7e718c JB |
11535 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
11536 | enum nl80211_commands cmd, | |
11537 | enum nl80211_attrs attr, | |
11538 | int approxlen) | |
11539 | { | |
f26cbf40 | 11540 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
11541 | |
11542 | if (WARN_ON(!rdev->cur_cmd_info)) | |
11543 | return NULL; | |
11544 | ||
6c09e791 | 11545 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
11546 | rdev->cur_cmd_info->snd_portid, |
11547 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 11548 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
11549 | } |
11550 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
11551 | ||
11552 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
11553 | { | |
11554 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
11555 | void *hdr = ((void **)skb->cb)[1]; | |
11556 | struct nlattr *data = ((void **)skb->cb)[2]; | |
11557 | ||
bd8c78e7 JB |
11558 | /* clear CB data for netlink core to own from now on */ |
11559 | memset(skb->cb, 0, sizeof(skb->cb)); | |
11560 | ||
ad7e718c JB |
11561 | if (WARN_ON(!rdev->cur_cmd_info)) { |
11562 | kfree_skb(skb); | |
11563 | return -EINVAL; | |
11564 | } | |
11565 | ||
11566 | nla_nest_end(skb, data); | |
11567 | genlmsg_end(skb, hdr); | |
11568 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
11569 | } | |
11570 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
11571 | ||
fa9ffc74 KP |
11572 | static int nl80211_set_qos_map(struct sk_buff *skb, |
11573 | struct genl_info *info) | |
11574 | { | |
11575 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11576 | struct cfg80211_qos_map *qos_map = NULL; | |
11577 | struct net_device *dev = info->user_ptr[1]; | |
11578 | u8 *pos, len, num_des, des_len, des; | |
11579 | int ret; | |
11580 | ||
11581 | if (!rdev->ops->set_qos_map) | |
11582 | return -EOPNOTSUPP; | |
11583 | ||
11584 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
11585 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
11586 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
11587 | ||
11588 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
11589 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
11590 | return -EINVAL; | |
11591 | ||
11592 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
11593 | if (!qos_map) | |
11594 | return -ENOMEM; | |
11595 | ||
11596 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
11597 | if (num_des) { | |
11598 | des_len = num_des * | |
11599 | sizeof(struct cfg80211_dscp_exception); | |
11600 | memcpy(qos_map->dscp_exception, pos, des_len); | |
11601 | qos_map->num_des = num_des; | |
11602 | for (des = 0; des < num_des; des++) { | |
11603 | if (qos_map->dscp_exception[des].up > 7) { | |
11604 | kfree(qos_map); | |
11605 | return -EINVAL; | |
11606 | } | |
11607 | } | |
11608 | pos += des_len; | |
11609 | } | |
11610 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
11611 | } | |
11612 | ||
11613 | wdev_lock(dev->ieee80211_ptr); | |
11614 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
11615 | if (!ret) | |
11616 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
11617 | wdev_unlock(dev->ieee80211_ptr); | |
11618 | ||
11619 | kfree(qos_map); | |
11620 | return ret; | |
11621 | } | |
11622 | ||
960d01ac JB |
11623 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
11624 | { | |
11625 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11626 | struct net_device *dev = info->user_ptr[1]; | |
11627 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11628 | const u8 *peer; | |
11629 | u8 tsid, up; | |
11630 | u16 admitted_time = 0; | |
11631 | int err; | |
11632 | ||
723e73ac | 11633 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
11634 | return -EOPNOTSUPP; |
11635 | ||
11636 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
11637 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
11638 | return -EINVAL; | |
11639 | ||
11640 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
11641 | if (tsid >= IEEE80211_NUM_TIDS) | |
11642 | return -EINVAL; | |
11643 | ||
11644 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
11645 | if (up >= IEEE80211_NUM_UPS) | |
11646 | return -EINVAL; | |
11647 | ||
11648 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 11649 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 11650 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
11651 | * need more attributes for that (e.g. BA session requirement); |
11652 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
11653 | */ |
11654 | return -EINVAL; | |
11655 | } | |
11656 | ||
11657 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11658 | ||
11659 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
11660 | admitted_time = | |
11661 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
11662 | if (!admitted_time) | |
11663 | return -EINVAL; | |
11664 | } | |
11665 | ||
11666 | wdev_lock(wdev); | |
11667 | switch (wdev->iftype) { | |
11668 | case NL80211_IFTYPE_STATION: | |
11669 | case NL80211_IFTYPE_P2P_CLIENT: | |
11670 | if (wdev->current_bss) | |
11671 | break; | |
11672 | err = -ENOTCONN; | |
11673 | goto out; | |
11674 | default: | |
11675 | err = -EOPNOTSUPP; | |
11676 | goto out; | |
11677 | } | |
11678 | ||
11679 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
11680 | ||
11681 | out: | |
11682 | wdev_unlock(wdev); | |
11683 | return err; | |
11684 | } | |
11685 | ||
11686 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
11687 | { | |
11688 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11689 | struct net_device *dev = info->user_ptr[1]; | |
11690 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11691 | const u8 *peer; | |
11692 | u8 tsid; | |
11693 | int err; | |
11694 | ||
11695 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
11696 | return -EINVAL; | |
11697 | ||
11698 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
11699 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11700 | ||
11701 | wdev_lock(wdev); | |
11702 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
11703 | wdev_unlock(wdev); | |
11704 | ||
11705 | return err; | |
11706 | } | |
11707 | ||
1057d35e AN |
11708 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
11709 | struct genl_info *info) | |
11710 | { | |
11711 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11712 | struct net_device *dev = info->user_ptr[1]; | |
11713 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11714 | struct cfg80211_chan_def chandef = {}; | |
11715 | const u8 *addr; | |
11716 | u8 oper_class; | |
11717 | int err; | |
11718 | ||
11719 | if (!rdev->ops->tdls_channel_switch || | |
11720 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
11721 | return -EOPNOTSUPP; | |
11722 | ||
11723 | switch (dev->ieee80211_ptr->iftype) { | |
11724 | case NL80211_IFTYPE_STATION: | |
11725 | case NL80211_IFTYPE_P2P_CLIENT: | |
11726 | break; | |
11727 | default: | |
11728 | return -EOPNOTSUPP; | |
11729 | } | |
11730 | ||
11731 | if (!info->attrs[NL80211_ATTR_MAC] || | |
11732 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
11733 | return -EINVAL; | |
11734 | ||
11735 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
11736 | if (err) | |
11737 | return err; | |
11738 | ||
11739 | /* | |
11740 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
11741 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
11742 | * specification is not defined for them. | |
11743 | */ | |
57fbcce3 | 11744 | if (chandef.chan->band == NL80211_BAND_2GHZ && |
1057d35e AN |
11745 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && |
11746 | chandef.width != NL80211_CHAN_WIDTH_20) | |
11747 | return -EINVAL; | |
11748 | ||
11749 | /* we will be active on the TDLS link */ | |
923b352f AN |
11750 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
11751 | wdev->iftype)) | |
1057d35e AN |
11752 | return -EINVAL; |
11753 | ||
11754 | /* don't allow switching to DFS channels */ | |
11755 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
11756 | return -EINVAL; | |
11757 | ||
11758 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11759 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
11760 | ||
11761 | wdev_lock(wdev); | |
11762 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
11763 | wdev_unlock(wdev); | |
11764 | ||
11765 | return err; | |
11766 | } | |
11767 | ||
11768 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
11769 | struct genl_info *info) | |
11770 | { | |
11771 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11772 | struct net_device *dev = info->user_ptr[1]; | |
11773 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11774 | const u8 *addr; | |
11775 | ||
11776 | if (!rdev->ops->tdls_channel_switch || | |
11777 | !rdev->ops->tdls_cancel_channel_switch || | |
11778 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
11779 | return -EOPNOTSUPP; | |
11780 | ||
11781 | switch (dev->ieee80211_ptr->iftype) { | |
11782 | case NL80211_IFTYPE_STATION: | |
11783 | case NL80211_IFTYPE_P2P_CLIENT: | |
11784 | break; | |
11785 | default: | |
11786 | return -EOPNOTSUPP; | |
11787 | } | |
11788 | ||
11789 | if (!info->attrs[NL80211_ATTR_MAC]) | |
11790 | return -EINVAL; | |
11791 | ||
11792 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11793 | ||
11794 | wdev_lock(wdev); | |
11795 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
11796 | wdev_unlock(wdev); | |
11797 | ||
11798 | return 0; | |
11799 | } | |
11800 | ||
ce0ce13a MB |
11801 | static int nl80211_set_multicast_to_unicast(struct sk_buff *skb, |
11802 | struct genl_info *info) | |
11803 | { | |
11804 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11805 | struct net_device *dev = info->user_ptr[1]; | |
11806 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11807 | const struct nlattr *nla; | |
11808 | bool enabled; | |
11809 | ||
11810 | if (netif_running(dev)) | |
11811 | return -EBUSY; | |
11812 | ||
11813 | if (!rdev->ops->set_multicast_to_unicast) | |
11814 | return -EOPNOTSUPP; | |
11815 | ||
11816 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
11817 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
11818 | return -EOPNOTSUPP; | |
11819 | ||
11820 | nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED]; | |
11821 | enabled = nla_get_flag(nla); | |
11822 | ||
11823 | return rdev_set_multicast_to_unicast(rdev, dev, enabled); | |
11824 | } | |
11825 | ||
4c476991 JB |
11826 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
11827 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
11828 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
11829 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
11830 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
11831 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 11832 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 11833 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
11834 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
11835 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 11836 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 11837 | |
f84f771d | 11838 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
11839 | struct genl_info *info) |
11840 | { | |
11841 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 11842 | struct wireless_dev *wdev; |
4c476991 | 11843 | struct net_device *dev; |
4c476991 JB |
11844 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
11845 | ||
11846 | if (rtnl) | |
11847 | rtnl_lock(); | |
11848 | ||
11849 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 11850 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
11851 | if (IS_ERR(rdev)) { |
11852 | if (rtnl) | |
11853 | rtnl_unlock(); | |
11854 | return PTR_ERR(rdev); | |
11855 | } | |
11856 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
11857 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
11858 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
11859 | ASSERT_RTNL(); |
11860 | ||
89a54e48 JB |
11861 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
11862 | info->attrs); | |
11863 | if (IS_ERR(wdev)) { | |
4c476991 JB |
11864 | if (rtnl) |
11865 | rtnl_unlock(); | |
89a54e48 | 11866 | return PTR_ERR(wdev); |
4c476991 | 11867 | } |
89a54e48 | 11868 | |
89a54e48 | 11869 | dev = wdev->netdev; |
f26cbf40 | 11870 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 11871 | |
1bf614ef JB |
11872 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
11873 | if (!dev) { | |
1bf614ef JB |
11874 | if (rtnl) |
11875 | rtnl_unlock(); | |
11876 | return -EINVAL; | |
11877 | } | |
11878 | ||
11879 | info->user_ptr[1] = dev; | |
11880 | } else { | |
11881 | info->user_ptr[1] = wdev; | |
41265714 | 11882 | } |
1bf614ef | 11883 | |
73c7da3d AVS |
11884 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
11885 | !wdev_running(wdev)) { | |
11886 | if (rtnl) | |
11887 | rtnl_unlock(); | |
11888 | return -ENETDOWN; | |
11889 | } | |
1bf614ef | 11890 | |
73c7da3d | 11891 | if (dev) |
1bf614ef | 11892 | dev_hold(dev); |
89a54e48 | 11893 | |
4c476991 | 11894 | info->user_ptr[0] = rdev; |
4c476991 JB |
11895 | } |
11896 | ||
11897 | return 0; | |
11898 | } | |
11899 | ||
f84f771d | 11900 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
11901 | struct genl_info *info) |
11902 | { | |
1bf614ef JB |
11903 | if (info->user_ptr[1]) { |
11904 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
11905 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11906 | ||
11907 | if (wdev->netdev) | |
11908 | dev_put(wdev->netdev); | |
11909 | } else { | |
11910 | dev_put(info->user_ptr[1]); | |
11911 | } | |
11912 | } | |
5393b917 | 11913 | |
4c476991 JB |
11914 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
11915 | rtnl_unlock(); | |
5393b917 JB |
11916 | |
11917 | /* If needed, clear the netlink message payload from the SKB | |
11918 | * as it might contain key data that shouldn't stick around on | |
11919 | * the heap after the SKB is freed. The netlink message header | |
11920 | * is still needed for further processing, so leave it intact. | |
11921 | */ | |
11922 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
11923 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
11924 | ||
11925 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
11926 | } | |
4c476991 JB |
11927 | } |
11928 | ||
4534de83 | 11929 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
11930 | { |
11931 | .cmd = NL80211_CMD_GET_WIPHY, | |
11932 | .doit = nl80211_get_wiphy, | |
11933 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 11934 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
11935 | .policy = nl80211_policy, |
11936 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
11937 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11938 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11939 | }, |
11940 | { | |
11941 | .cmd = NL80211_CMD_SET_WIPHY, | |
11942 | .doit = nl80211_set_wiphy, | |
11943 | .policy = nl80211_policy, | |
5617c6cd | 11944 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 | 11945 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
11946 | }, |
11947 | { | |
11948 | .cmd = NL80211_CMD_GET_INTERFACE, | |
11949 | .doit = nl80211_get_interface, | |
11950 | .dumpit = nl80211_dump_interface, | |
11951 | .policy = nl80211_policy, | |
11952 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
11953 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
11954 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11955 | }, |
11956 | { | |
11957 | .cmd = NL80211_CMD_SET_INTERFACE, | |
11958 | .doit = nl80211_set_interface, | |
11959 | .policy = nl80211_policy, | |
5617c6cd | 11960 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11961 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11962 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11963 | }, |
11964 | { | |
11965 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
11966 | .doit = nl80211_new_interface, | |
11967 | .policy = nl80211_policy, | |
5617c6cd | 11968 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11969 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11970 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11971 | }, |
11972 | { | |
11973 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
11974 | .doit = nl80211_del_interface, | |
11975 | .policy = nl80211_policy, | |
5617c6cd | 11976 | .flags = GENL_UNS_ADMIN_PERM, |
84efbb84 | 11977 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 11978 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
11979 | }, |
11980 | { | |
11981 | .cmd = NL80211_CMD_GET_KEY, | |
11982 | .doit = nl80211_get_key, | |
11983 | .policy = nl80211_policy, | |
5617c6cd | 11984 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11985 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11986 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
11987 | }, |
11988 | { | |
11989 | .cmd = NL80211_CMD_SET_KEY, | |
11990 | .doit = nl80211_set_key, | |
11991 | .policy = nl80211_policy, | |
5617c6cd | 11992 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11993 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
11994 | NL80211_FLAG_NEED_RTNL | |
11995 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
11996 | }, |
11997 | { | |
11998 | .cmd = NL80211_CMD_NEW_KEY, | |
11999 | .doit = nl80211_new_key, | |
12000 | .policy = nl80211_policy, | |
5617c6cd | 12001 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12002 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12003 | NL80211_FLAG_NEED_RTNL | |
12004 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
12005 | }, |
12006 | { | |
12007 | .cmd = NL80211_CMD_DEL_KEY, | |
12008 | .doit = nl80211_del_key, | |
12009 | .policy = nl80211_policy, | |
5617c6cd | 12010 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12011 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12012 | NL80211_FLAG_NEED_RTNL, |
55682965 | 12013 | }, |
ed1b6cc7 JB |
12014 | { |
12015 | .cmd = NL80211_CMD_SET_BEACON, | |
12016 | .policy = nl80211_policy, | |
5617c6cd | 12017 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12018 | .doit = nl80211_set_beacon, |
2b5f8b0b | 12019 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12020 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12021 | }, |
12022 | { | |
8860020e | 12023 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 | 12024 | .policy = nl80211_policy, |
5617c6cd | 12025 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12026 | .doit = nl80211_start_ap, |
2b5f8b0b | 12027 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12028 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12029 | }, |
12030 | { | |
8860020e | 12031 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 | 12032 | .policy = nl80211_policy, |
5617c6cd | 12033 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12034 | .doit = nl80211_stop_ap, |
2b5f8b0b | 12035 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12036 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 12037 | }, |
5727ef1b JB |
12038 | { |
12039 | .cmd = NL80211_CMD_GET_STATION, | |
12040 | .doit = nl80211_get_station, | |
2ec600d6 | 12041 | .dumpit = nl80211_dump_station, |
5727ef1b | 12042 | .policy = nl80211_policy, |
4c476991 JB |
12043 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12044 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
12045 | }, |
12046 | { | |
12047 | .cmd = NL80211_CMD_SET_STATION, | |
12048 | .doit = nl80211_set_station, | |
12049 | .policy = nl80211_policy, | |
5617c6cd | 12050 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12051 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12052 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12053 | }, |
12054 | { | |
12055 | .cmd = NL80211_CMD_NEW_STATION, | |
12056 | .doit = nl80211_new_station, | |
12057 | .policy = nl80211_policy, | |
5617c6cd | 12058 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12059 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12060 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12061 | }, |
12062 | { | |
12063 | .cmd = NL80211_CMD_DEL_STATION, | |
12064 | .doit = nl80211_del_station, | |
12065 | .policy = nl80211_policy, | |
5617c6cd | 12066 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12067 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12068 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12069 | }, |
12070 | { | |
12071 | .cmd = NL80211_CMD_GET_MPATH, | |
12072 | .doit = nl80211_get_mpath, | |
12073 | .dumpit = nl80211_dump_mpath, | |
12074 | .policy = nl80211_policy, | |
5617c6cd | 12075 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12076 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12077 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 12078 | }, |
66be7d2b HR |
12079 | { |
12080 | .cmd = NL80211_CMD_GET_MPP, | |
12081 | .doit = nl80211_get_mpp, | |
12082 | .dumpit = nl80211_dump_mpp, | |
12083 | .policy = nl80211_policy, | |
5617c6cd | 12084 | .flags = GENL_UNS_ADMIN_PERM, |
66be7d2b HR |
12085 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12086 | NL80211_FLAG_NEED_RTNL, | |
12087 | }, | |
2ec600d6 LCC |
12088 | { |
12089 | .cmd = NL80211_CMD_SET_MPATH, | |
12090 | .doit = nl80211_set_mpath, | |
12091 | .policy = nl80211_policy, | |
5617c6cd | 12092 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12093 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12094 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12095 | }, |
12096 | { | |
12097 | .cmd = NL80211_CMD_NEW_MPATH, | |
12098 | .doit = nl80211_new_mpath, | |
12099 | .policy = nl80211_policy, | |
5617c6cd | 12100 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12101 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12102 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12103 | }, |
12104 | { | |
12105 | .cmd = NL80211_CMD_DEL_MPATH, | |
12106 | .doit = nl80211_del_mpath, | |
12107 | .policy = nl80211_policy, | |
5617c6cd | 12108 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12109 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12110 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
12111 | }, |
12112 | { | |
12113 | .cmd = NL80211_CMD_SET_BSS, | |
12114 | .doit = nl80211_set_bss, | |
12115 | .policy = nl80211_policy, | |
5617c6cd | 12116 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12117 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12118 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12119 | }, |
f130347c LR |
12120 | { |
12121 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
12122 | .doit = nl80211_get_reg_do, |
12123 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 12124 | .policy = nl80211_policy, |
5fe231e8 | 12125 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
12126 | /* can be retrieved by unprivileged users */ |
12127 | }, | |
b6863036 | 12128 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
b2e1b302 LR |
12129 | { |
12130 | .cmd = NL80211_CMD_SET_REG, | |
12131 | .doit = nl80211_set_reg, | |
12132 | .policy = nl80211_policy, | |
12133 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 12134 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12135 | }, |
b6863036 | 12136 | #endif |
b2e1b302 LR |
12137 | { |
12138 | .cmd = NL80211_CMD_REQ_SET_REG, | |
12139 | .doit = nl80211_req_set_reg, | |
12140 | .policy = nl80211_policy, | |
93da9cc1 | 12141 | .flags = GENL_ADMIN_PERM, |
12142 | }, | |
12143 | { | |
24bdd9f4 JC |
12144 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
12145 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 12146 | .policy = nl80211_policy, |
12147 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 12148 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12149 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 12150 | }, |
12151 | { | |
24bdd9f4 JC |
12152 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
12153 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 12154 | .policy = nl80211_policy, |
5617c6cd | 12155 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c | 12156 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12157 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 12158 | }, |
2a519311 JB |
12159 | { |
12160 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
12161 | .doit = nl80211_trigger_scan, | |
12162 | .policy = nl80211_policy, | |
5617c6cd | 12163 | .flags = GENL_UNS_ADMIN_PERM, |
fd014284 | 12164 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12165 | NL80211_FLAG_NEED_RTNL, |
2a519311 | 12166 | }, |
91d3ab46 VK |
12167 | { |
12168 | .cmd = NL80211_CMD_ABORT_SCAN, | |
12169 | .doit = nl80211_abort_scan, | |
12170 | .policy = nl80211_policy, | |
5617c6cd | 12171 | .flags = GENL_UNS_ADMIN_PERM, |
91d3ab46 VK |
12172 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12173 | NL80211_FLAG_NEED_RTNL, | |
12174 | }, | |
2a519311 JB |
12175 | { |
12176 | .cmd = NL80211_CMD_GET_SCAN, | |
12177 | .policy = nl80211_policy, | |
12178 | .dumpit = nl80211_dump_scan, | |
12179 | }, | |
807f8a8c LC |
12180 | { |
12181 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
12182 | .doit = nl80211_start_sched_scan, | |
12183 | .policy = nl80211_policy, | |
5617c6cd | 12184 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12185 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12186 | NL80211_FLAG_NEED_RTNL, | |
12187 | }, | |
12188 | { | |
12189 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
12190 | .doit = nl80211_stop_sched_scan, | |
12191 | .policy = nl80211_policy, | |
5617c6cd | 12192 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12193 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12194 | NL80211_FLAG_NEED_RTNL, | |
12195 | }, | |
636a5d36 JM |
12196 | { |
12197 | .cmd = NL80211_CMD_AUTHENTICATE, | |
12198 | .doit = nl80211_authenticate, | |
12199 | .policy = nl80211_policy, | |
5617c6cd | 12200 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12201 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12202 | NL80211_FLAG_NEED_RTNL | |
12203 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
12204 | }, |
12205 | { | |
12206 | .cmd = NL80211_CMD_ASSOCIATE, | |
12207 | .doit = nl80211_associate, | |
12208 | .policy = nl80211_policy, | |
5617c6cd | 12209 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12210 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12211 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12212 | }, |
12213 | { | |
12214 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
12215 | .doit = nl80211_deauthenticate, | |
12216 | .policy = nl80211_policy, | |
5617c6cd | 12217 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12218 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12219 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12220 | }, |
12221 | { | |
12222 | .cmd = NL80211_CMD_DISASSOCIATE, | |
12223 | .doit = nl80211_disassociate, | |
12224 | .policy = nl80211_policy, | |
5617c6cd | 12225 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12226 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12227 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 12228 | }, |
04a773ad JB |
12229 | { |
12230 | .cmd = NL80211_CMD_JOIN_IBSS, | |
12231 | .doit = nl80211_join_ibss, | |
12232 | .policy = nl80211_policy, | |
5617c6cd | 12233 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12234 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12235 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
12236 | }, |
12237 | { | |
12238 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
12239 | .doit = nl80211_leave_ibss, | |
12240 | .policy = nl80211_policy, | |
5617c6cd | 12241 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12242 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12243 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 12244 | }, |
aff89a9b JB |
12245 | #ifdef CONFIG_NL80211_TESTMODE |
12246 | { | |
12247 | .cmd = NL80211_CMD_TESTMODE, | |
12248 | .doit = nl80211_testmode_do, | |
71063f0e | 12249 | .dumpit = nl80211_testmode_dump, |
aff89a9b | 12250 | .policy = nl80211_policy, |
5617c6cd | 12251 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12252 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12253 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
12254 | }, |
12255 | #endif | |
b23aa676 SO |
12256 | { |
12257 | .cmd = NL80211_CMD_CONNECT, | |
12258 | .doit = nl80211_connect, | |
12259 | .policy = nl80211_policy, | |
5617c6cd | 12260 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12261 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12262 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12263 | }, |
088e8df8 | 12264 | { |
12265 | .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS, | |
12266 | .doit = nl80211_update_connect_params, | |
12267 | .policy = nl80211_policy, | |
12268 | .flags = GENL_ADMIN_PERM, | |
12269 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
12270 | NL80211_FLAG_NEED_RTNL, | |
12271 | }, | |
b23aa676 SO |
12272 | { |
12273 | .cmd = NL80211_CMD_DISCONNECT, | |
12274 | .doit = nl80211_disconnect, | |
12275 | .policy = nl80211_policy, | |
5617c6cd | 12276 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12277 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12278 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12279 | }, |
463d0183 JB |
12280 | { |
12281 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
12282 | .doit = nl80211_wiphy_netns, | |
12283 | .policy = nl80211_policy, | |
5617c6cd | 12284 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12285 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12286 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 12287 | }, |
61fa713c HS |
12288 | { |
12289 | .cmd = NL80211_CMD_GET_SURVEY, | |
12290 | .policy = nl80211_policy, | |
12291 | .dumpit = nl80211_dump_survey, | |
12292 | }, | |
67fbb16b SO |
12293 | { |
12294 | .cmd = NL80211_CMD_SET_PMKSA, | |
12295 | .doit = nl80211_setdel_pmksa, | |
12296 | .policy = nl80211_policy, | |
5617c6cd | 12297 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12298 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12299 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12300 | }, |
12301 | { | |
12302 | .cmd = NL80211_CMD_DEL_PMKSA, | |
12303 | .doit = nl80211_setdel_pmksa, | |
12304 | .policy = nl80211_policy, | |
5617c6cd | 12305 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12306 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12307 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12308 | }, |
12309 | { | |
12310 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
12311 | .doit = nl80211_flush_pmksa, | |
12312 | .policy = nl80211_policy, | |
5617c6cd | 12313 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12314 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12315 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 12316 | }, |
9588bbd5 JM |
12317 | { |
12318 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
12319 | .doit = nl80211_remain_on_channel, | |
12320 | .policy = nl80211_policy, | |
5617c6cd | 12321 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12322 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12323 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
12324 | }, |
12325 | { | |
12326 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
12327 | .doit = nl80211_cancel_remain_on_channel, | |
12328 | .policy = nl80211_policy, | |
5617c6cd | 12329 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12330 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12331 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 12332 | }, |
13ae75b1 JM |
12333 | { |
12334 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
12335 | .doit = nl80211_set_tx_bitrate_mask, | |
12336 | .policy = nl80211_policy, | |
5617c6cd | 12337 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12338 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12339 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 12340 | }, |
026331c4 | 12341 | { |
2e161f78 JB |
12342 | .cmd = NL80211_CMD_REGISTER_FRAME, |
12343 | .doit = nl80211_register_mgmt, | |
026331c4 | 12344 | .policy = nl80211_policy, |
5617c6cd | 12345 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12346 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 12347 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
12348 | }, |
12349 | { | |
2e161f78 JB |
12350 | .cmd = NL80211_CMD_FRAME, |
12351 | .doit = nl80211_tx_mgmt, | |
026331c4 | 12352 | .policy = nl80211_policy, |
5617c6cd | 12353 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12354 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
12355 | NL80211_FLAG_NEED_RTNL, |
12356 | }, | |
12357 | { | |
12358 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
12359 | .doit = nl80211_tx_mgmt_cancel_wait, | |
12360 | .policy = nl80211_policy, | |
5617c6cd | 12361 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12362 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12363 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 12364 | }, |
ffb9eb3d KV |
12365 | { |
12366 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
12367 | .doit = nl80211_set_power_save, | |
12368 | .policy = nl80211_policy, | |
5617c6cd | 12369 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12370 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12371 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
12372 | }, |
12373 | { | |
12374 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
12375 | .doit = nl80211_get_power_save, | |
12376 | .policy = nl80211_policy, | |
12377 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
12378 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12379 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 12380 | }, |
d6dc1a38 JO |
12381 | { |
12382 | .cmd = NL80211_CMD_SET_CQM, | |
12383 | .doit = nl80211_set_cqm, | |
12384 | .policy = nl80211_policy, | |
5617c6cd | 12385 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12386 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12387 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 12388 | }, |
f444de05 JB |
12389 | { |
12390 | .cmd = NL80211_CMD_SET_CHANNEL, | |
12391 | .doit = nl80211_set_channel, | |
12392 | .policy = nl80211_policy, | |
5617c6cd | 12393 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12394 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12395 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 12396 | }, |
e8347eba BJ |
12397 | { |
12398 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
12399 | .doit = nl80211_set_wds_peer, | |
12400 | .policy = nl80211_policy, | |
5617c6cd | 12401 | .flags = GENL_UNS_ADMIN_PERM, |
43b19952 JB |
12402 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12403 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 12404 | }, |
29cbe68c JB |
12405 | { |
12406 | .cmd = NL80211_CMD_JOIN_MESH, | |
12407 | .doit = nl80211_join_mesh, | |
12408 | .policy = nl80211_policy, | |
5617c6cd | 12409 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12410 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12411 | NL80211_FLAG_NEED_RTNL, | |
12412 | }, | |
12413 | { | |
12414 | .cmd = NL80211_CMD_LEAVE_MESH, | |
12415 | .doit = nl80211_leave_mesh, | |
12416 | .policy = nl80211_policy, | |
5617c6cd | 12417 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12418 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12419 | NL80211_FLAG_NEED_RTNL, | |
12420 | }, | |
6e0bd6c3 RL |
12421 | { |
12422 | .cmd = NL80211_CMD_JOIN_OCB, | |
12423 | .doit = nl80211_join_ocb, | |
12424 | .policy = nl80211_policy, | |
5617c6cd | 12425 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12426 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12427 | NL80211_FLAG_NEED_RTNL, | |
12428 | }, | |
12429 | { | |
12430 | .cmd = NL80211_CMD_LEAVE_OCB, | |
12431 | .doit = nl80211_leave_ocb, | |
12432 | .policy = nl80211_policy, | |
5617c6cd | 12433 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12434 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12435 | NL80211_FLAG_NEED_RTNL, | |
12436 | }, | |
dfb89c56 | 12437 | #ifdef CONFIG_PM |
ff1b6e69 JB |
12438 | { |
12439 | .cmd = NL80211_CMD_GET_WOWLAN, | |
12440 | .doit = nl80211_get_wowlan, | |
12441 | .policy = nl80211_policy, | |
12442 | /* can be retrieved by unprivileged users */ | |
12443 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
12444 | NL80211_FLAG_NEED_RTNL, | |
12445 | }, | |
12446 | { | |
12447 | .cmd = NL80211_CMD_SET_WOWLAN, | |
12448 | .doit = nl80211_set_wowlan, | |
12449 | .policy = nl80211_policy, | |
5617c6cd | 12450 | .flags = GENL_UNS_ADMIN_PERM, |
ff1b6e69 JB |
12451 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12452 | NL80211_FLAG_NEED_RTNL, | |
12453 | }, | |
dfb89c56 | 12454 | #endif |
e5497d76 JB |
12455 | { |
12456 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
12457 | .doit = nl80211_set_rekey_data, | |
12458 | .policy = nl80211_policy, | |
5617c6cd | 12459 | .flags = GENL_UNS_ADMIN_PERM, |
e5497d76 | 12460 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12461 | NL80211_FLAG_NEED_RTNL | |
12462 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 12463 | }, |
109086ce AN |
12464 | { |
12465 | .cmd = NL80211_CMD_TDLS_MGMT, | |
12466 | .doit = nl80211_tdls_mgmt, | |
12467 | .policy = nl80211_policy, | |
5617c6cd | 12468 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12469 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12470 | NL80211_FLAG_NEED_RTNL, | |
12471 | }, | |
12472 | { | |
12473 | .cmd = NL80211_CMD_TDLS_OPER, | |
12474 | .doit = nl80211_tdls_oper, | |
12475 | .policy = nl80211_policy, | |
5617c6cd | 12476 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12477 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12478 | NL80211_FLAG_NEED_RTNL, | |
12479 | }, | |
28946da7 JB |
12480 | { |
12481 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
12482 | .doit = nl80211_register_unexpected_frame, | |
12483 | .policy = nl80211_policy, | |
5617c6cd | 12484 | .flags = GENL_UNS_ADMIN_PERM, |
28946da7 JB |
12485 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12486 | NL80211_FLAG_NEED_RTNL, | |
12487 | }, | |
7f6cf311 JB |
12488 | { |
12489 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
12490 | .doit = nl80211_probe_client, | |
12491 | .policy = nl80211_policy, | |
5617c6cd | 12492 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12493 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
12494 | NL80211_FLAG_NEED_RTNL, |
12495 | }, | |
5e760230 JB |
12496 | { |
12497 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
12498 | .doit = nl80211_register_beacons, | |
12499 | .policy = nl80211_policy, | |
5617c6cd | 12500 | .flags = GENL_UNS_ADMIN_PERM, |
5e760230 JB |
12501 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12502 | NL80211_FLAG_NEED_RTNL, | |
12503 | }, | |
1d9d9213 SW |
12504 | { |
12505 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
12506 | .doit = nl80211_set_noack_map, | |
12507 | .policy = nl80211_policy, | |
5617c6cd | 12508 | .flags = GENL_UNS_ADMIN_PERM, |
1d9d9213 SW |
12509 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12510 | NL80211_FLAG_NEED_RTNL, | |
12511 | }, | |
98104fde JB |
12512 | { |
12513 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
12514 | .doit = nl80211_start_p2p_device, | |
12515 | .policy = nl80211_policy, | |
5617c6cd | 12516 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12517 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
12518 | NL80211_FLAG_NEED_RTNL, | |
12519 | }, | |
12520 | { | |
12521 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
12522 | .doit = nl80211_stop_p2p_device, | |
12523 | .policy = nl80211_policy, | |
5617c6cd | 12524 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12525 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12526 | NL80211_FLAG_NEED_RTNL, | |
cb3b7d87 AB |
12527 | }, |
12528 | { | |
12529 | .cmd = NL80211_CMD_START_NAN, | |
12530 | .doit = nl80211_start_nan, | |
12531 | .policy = nl80211_policy, | |
12532 | .flags = GENL_ADMIN_PERM, | |
12533 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
12534 | NL80211_FLAG_NEED_RTNL, | |
12535 | }, | |
12536 | { | |
12537 | .cmd = NL80211_CMD_STOP_NAN, | |
12538 | .doit = nl80211_stop_nan, | |
12539 | .policy = nl80211_policy, | |
12540 | .flags = GENL_ADMIN_PERM, | |
12541 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12542 | NL80211_FLAG_NEED_RTNL, | |
a442b761 AB |
12543 | }, |
12544 | { | |
12545 | .cmd = NL80211_CMD_ADD_NAN_FUNCTION, | |
12546 | .doit = nl80211_nan_add_func, | |
12547 | .policy = nl80211_policy, | |
12548 | .flags = GENL_ADMIN_PERM, | |
12549 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12550 | NL80211_FLAG_NEED_RTNL, | |
12551 | }, | |
12552 | { | |
12553 | .cmd = NL80211_CMD_DEL_NAN_FUNCTION, | |
12554 | .doit = nl80211_nan_del_func, | |
12555 | .policy = nl80211_policy, | |
12556 | .flags = GENL_ADMIN_PERM, | |
12557 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12558 | NL80211_FLAG_NEED_RTNL, | |
a5a9dcf2 AB |
12559 | }, |
12560 | { | |
12561 | .cmd = NL80211_CMD_CHANGE_NAN_CONFIG, | |
12562 | .doit = nl80211_nan_change_config, | |
12563 | .policy = nl80211_policy, | |
12564 | .flags = GENL_ADMIN_PERM, | |
12565 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12566 | NL80211_FLAG_NEED_RTNL, | |
98104fde | 12567 | }, |
f4e583c8 AQ |
12568 | { |
12569 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
12570 | .doit = nl80211_set_mcast_rate, | |
77765eaf | 12571 | .policy = nl80211_policy, |
5617c6cd | 12572 | .flags = GENL_UNS_ADMIN_PERM, |
77765eaf VT |
12573 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12574 | NL80211_FLAG_NEED_RTNL, | |
12575 | }, | |
12576 | { | |
12577 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
12578 | .doit = nl80211_set_mac_acl, | |
f4e583c8 | 12579 | .policy = nl80211_policy, |
5617c6cd | 12580 | .flags = GENL_UNS_ADMIN_PERM, |
f4e583c8 AQ |
12581 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12582 | NL80211_FLAG_NEED_RTNL, | |
12583 | }, | |
04f39047 SW |
12584 | { |
12585 | .cmd = NL80211_CMD_RADAR_DETECT, | |
12586 | .doit = nl80211_start_radar_detection, | |
12587 | .policy = nl80211_policy, | |
5617c6cd | 12588 | .flags = GENL_UNS_ADMIN_PERM, |
04f39047 SW |
12589 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12590 | NL80211_FLAG_NEED_RTNL, | |
12591 | }, | |
3713b4e3 JB |
12592 | { |
12593 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
12594 | .doit = nl80211_get_protocol_features, | |
12595 | .policy = nl80211_policy, | |
12596 | }, | |
355199e0 JM |
12597 | { |
12598 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
12599 | .doit = nl80211_update_ft_ies, | |
12600 | .policy = nl80211_policy, | |
5617c6cd | 12601 | .flags = GENL_UNS_ADMIN_PERM, |
355199e0 JM |
12602 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12603 | NL80211_FLAG_NEED_RTNL, | |
12604 | }, | |
5de17984 AS |
12605 | { |
12606 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
12607 | .doit = nl80211_crit_protocol_start, | |
12608 | .policy = nl80211_policy, | |
5617c6cd | 12609 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
12610 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12611 | NL80211_FLAG_NEED_RTNL, | |
12612 | }, | |
12613 | { | |
12614 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
12615 | .doit = nl80211_crit_protocol_stop, | |
12616 | .policy = nl80211_policy, | |
5617c6cd | 12617 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
12618 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12619 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
12620 | }, |
12621 | { | |
12622 | .cmd = NL80211_CMD_GET_COALESCE, | |
12623 | .doit = nl80211_get_coalesce, | |
12624 | .policy = nl80211_policy, | |
12625 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
12626 | NL80211_FLAG_NEED_RTNL, | |
12627 | }, | |
12628 | { | |
12629 | .cmd = NL80211_CMD_SET_COALESCE, | |
12630 | .doit = nl80211_set_coalesce, | |
12631 | .policy = nl80211_policy, | |
5617c6cd | 12632 | .flags = GENL_UNS_ADMIN_PERM, |
be29b99a AK |
12633 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12634 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
12635 | }, |
12636 | { | |
12637 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
12638 | .doit = nl80211_channel_switch, | |
12639 | .policy = nl80211_policy, | |
5617c6cd | 12640 | .flags = GENL_UNS_ADMIN_PERM, |
16ef1fe2 SW |
12641 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12642 | NL80211_FLAG_NEED_RTNL, | |
12643 | }, | |
ad7e718c JB |
12644 | { |
12645 | .cmd = NL80211_CMD_VENDOR, | |
12646 | .doit = nl80211_vendor_cmd, | |
7bdbe400 | 12647 | .dumpit = nl80211_vendor_cmd_dump, |
ad7e718c | 12648 | .policy = nl80211_policy, |
5617c6cd | 12649 | .flags = GENL_UNS_ADMIN_PERM, |
ad7e718c JB |
12650 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12651 | NL80211_FLAG_NEED_RTNL, | |
12652 | }, | |
fa9ffc74 KP |
12653 | { |
12654 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
12655 | .doit = nl80211_set_qos_map, | |
12656 | .policy = nl80211_policy, | |
5617c6cd | 12657 | .flags = GENL_UNS_ADMIN_PERM, |
fa9ffc74 KP |
12658 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12659 | NL80211_FLAG_NEED_RTNL, | |
12660 | }, | |
960d01ac JB |
12661 | { |
12662 | .cmd = NL80211_CMD_ADD_TX_TS, | |
12663 | .doit = nl80211_add_tx_ts, | |
12664 | .policy = nl80211_policy, | |
5617c6cd | 12665 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
12666 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12667 | NL80211_FLAG_NEED_RTNL, | |
12668 | }, | |
12669 | { | |
12670 | .cmd = NL80211_CMD_DEL_TX_TS, | |
12671 | .doit = nl80211_del_tx_ts, | |
12672 | .policy = nl80211_policy, | |
5617c6cd | 12673 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
12674 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12675 | NL80211_FLAG_NEED_RTNL, | |
12676 | }, | |
1057d35e AN |
12677 | { |
12678 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
12679 | .doit = nl80211_tdls_channel_switch, | |
12680 | .policy = nl80211_policy, | |
5617c6cd | 12681 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
12682 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12683 | NL80211_FLAG_NEED_RTNL, | |
12684 | }, | |
12685 | { | |
12686 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
12687 | .doit = nl80211_tdls_cancel_channel_switch, | |
12688 | .policy = nl80211_policy, | |
5617c6cd | 12689 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
12690 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12691 | NL80211_FLAG_NEED_RTNL, | |
12692 | }, | |
ce0ce13a MB |
12693 | { |
12694 | .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST, | |
12695 | .doit = nl80211_set_multicast_to_unicast, | |
12696 | .policy = nl80211_policy, | |
12697 | .flags = GENL_UNS_ADMIN_PERM, | |
12698 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
12699 | NL80211_FLAG_NEED_RTNL, | |
12700 | }, | |
55682965 | 12701 | }; |
9588bbd5 | 12702 | |
56989f6d | 12703 | static struct genl_family nl80211_fam __ro_after_init = { |
489111e5 JB |
12704 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ |
12705 | .hdrsize = 0, /* no private header */ | |
12706 | .version = 1, /* no particular meaning now */ | |
12707 | .maxattr = NL80211_ATTR_MAX, | |
12708 | .netnsok = true, | |
12709 | .pre_doit = nl80211_pre_doit, | |
12710 | .post_doit = nl80211_post_doit, | |
12711 | .module = THIS_MODULE, | |
12712 | .ops = nl80211_ops, | |
12713 | .n_ops = ARRAY_SIZE(nl80211_ops), | |
12714 | .mcgrps = nl80211_mcgrps, | |
12715 | .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps), | |
12716 | }; | |
12717 | ||
55682965 JB |
12718 | /* notification functions */ |
12719 | ||
3bb20556 JB |
12720 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
12721 | enum nl80211_commands cmd) | |
55682965 JB |
12722 | { |
12723 | struct sk_buff *msg; | |
86e8cf98 | 12724 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 12725 | |
3bb20556 JB |
12726 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
12727 | cmd != NL80211_CMD_DEL_WIPHY); | |
12728 | ||
fd2120ca | 12729 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
12730 | if (!msg) |
12731 | return; | |
12732 | ||
3bb20556 | 12733 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
12734 | nlmsg_free(msg); |
12735 | return; | |
12736 | } | |
12737 | ||
68eb5503 | 12738 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12739 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
12740 | } |
12741 | ||
896ff063 DK |
12742 | void nl80211_notify_iface(struct cfg80211_registered_device *rdev, |
12743 | struct wireless_dev *wdev, | |
12744 | enum nl80211_commands cmd) | |
12745 | { | |
12746 | struct sk_buff *msg; | |
12747 | ||
12748 | WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && | |
12749 | cmd != NL80211_CMD_DEL_INTERFACE); | |
12750 | ||
12751 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12752 | if (!msg) | |
12753 | return; | |
12754 | ||
12755 | if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, | |
12756 | cmd == NL80211_CMD_DEL_INTERFACE) < 0) { | |
12757 | nlmsg_free(msg); | |
12758 | return; | |
12759 | } | |
12760 | ||
12761 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
12762 | NL80211_MCGRP_CONFIG, GFP_KERNEL); | |
12763 | } | |
12764 | ||
362a415d JB |
12765 | static int nl80211_add_scan_req(struct sk_buff *msg, |
12766 | struct cfg80211_registered_device *rdev) | |
12767 | { | |
12768 | struct cfg80211_scan_request *req = rdev->scan_req; | |
12769 | struct nlattr *nest; | |
12770 | int i; | |
12771 | ||
12772 | if (WARN_ON(!req)) | |
12773 | return 0; | |
12774 | ||
12775 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
12776 | if (!nest) | |
12777 | goto nla_put_failure; | |
9360ffd1 DM |
12778 | for (i = 0; i < req->n_ssids; i++) { |
12779 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
12780 | goto nla_put_failure; | |
12781 | } | |
362a415d JB |
12782 | nla_nest_end(msg, nest); |
12783 | ||
12784 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
12785 | if (!nest) | |
12786 | goto nla_put_failure; | |
9360ffd1 DM |
12787 | for (i = 0; i < req->n_channels; i++) { |
12788 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
12789 | goto nla_put_failure; | |
12790 | } | |
362a415d JB |
12791 | nla_nest_end(msg, nest); |
12792 | ||
9360ffd1 DM |
12793 | if (req->ie && |
12794 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
12795 | goto nla_put_failure; | |
362a415d | 12796 | |
ae917c9f JB |
12797 | if (req->flags && |
12798 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
12799 | goto nla_put_failure; | |
ed473771 | 12800 | |
1d76250b AS |
12801 | if (req->info.scan_start_tsf && |
12802 | (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF, | |
12803 | req->info.scan_start_tsf, NL80211_BSS_PAD) || | |
12804 | nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN, | |
12805 | req->info.tsf_bssid))) | |
12806 | goto nla_put_failure; | |
12807 | ||
362a415d JB |
12808 | return 0; |
12809 | nla_put_failure: | |
12810 | return -ENOBUFS; | |
12811 | } | |
12812 | ||
a538e2d5 JB |
12813 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
12814 | struct cfg80211_registered_device *rdev, | |
fd014284 | 12815 | struct wireless_dev *wdev, |
15e47304 | 12816 | u32 portid, u32 seq, int flags, |
a538e2d5 | 12817 | u32 cmd) |
2a519311 JB |
12818 | { |
12819 | void *hdr; | |
12820 | ||
15e47304 | 12821 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
12822 | if (!hdr) |
12823 | return -1; | |
12824 | ||
9360ffd1 | 12825 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
12826 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
12827 | wdev->netdev->ifindex)) || | |
2dad624e ND |
12828 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
12829 | NL80211_ATTR_PAD)) | |
9360ffd1 | 12830 | goto nla_put_failure; |
2a519311 | 12831 | |
362a415d JB |
12832 | /* ignore errors and send incomplete event anyway */ |
12833 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 12834 | |
053c095a JB |
12835 | genlmsg_end(msg, hdr); |
12836 | return 0; | |
2a519311 JB |
12837 | |
12838 | nla_put_failure: | |
12839 | genlmsg_cancel(msg, hdr); | |
12840 | return -EMSGSIZE; | |
12841 | } | |
12842 | ||
807f8a8c LC |
12843 | static int |
12844 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
12845 | struct cfg80211_registered_device *rdev, | |
12846 | struct net_device *netdev, | |
15e47304 | 12847 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
12848 | { |
12849 | void *hdr; | |
12850 | ||
15e47304 | 12851 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
12852 | if (!hdr) |
12853 | return -1; | |
12854 | ||
9360ffd1 DM |
12855 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12856 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
12857 | goto nla_put_failure; | |
807f8a8c | 12858 | |
053c095a JB |
12859 | genlmsg_end(msg, hdr); |
12860 | return 0; | |
807f8a8c LC |
12861 | |
12862 | nla_put_failure: | |
12863 | genlmsg_cancel(msg, hdr); | |
12864 | return -EMSGSIZE; | |
12865 | } | |
12866 | ||
a538e2d5 | 12867 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 12868 | struct wireless_dev *wdev) |
a538e2d5 JB |
12869 | { |
12870 | struct sk_buff *msg; | |
12871 | ||
58050fce | 12872 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
12873 | if (!msg) |
12874 | return; | |
12875 | ||
fd014284 | 12876 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
12877 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
12878 | nlmsg_free(msg); | |
12879 | return; | |
12880 | } | |
12881 | ||
68eb5503 | 12882 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12883 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
12884 | } |
12885 | ||
f9d15d16 JB |
12886 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
12887 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
12888 | { |
12889 | struct sk_buff *msg; | |
12890 | ||
fd2120ca | 12891 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 12892 | if (!msg) |
f9d15d16 | 12893 | return NULL; |
2a519311 | 12894 | |
fd014284 | 12895 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
12896 | aborted ? NL80211_CMD_SCAN_ABORTED : |
12897 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 12898 | nlmsg_free(msg); |
f9d15d16 | 12899 | return NULL; |
2a519311 JB |
12900 | } |
12901 | ||
f9d15d16 | 12902 | return msg; |
2a519311 JB |
12903 | } |
12904 | ||
f9d15d16 JB |
12905 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
12906 | struct sk_buff *msg) | |
2a519311 | 12907 | { |
2a519311 JB |
12908 | if (!msg) |
12909 | return; | |
12910 | ||
68eb5503 | 12911 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12912 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
12913 | } |
12914 | ||
807f8a8c LC |
12915 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
12916 | struct net_device *netdev) | |
12917 | { | |
12918 | struct sk_buff *msg; | |
12919 | ||
12920 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12921 | if (!msg) | |
12922 | return; | |
12923 | ||
12924 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
12925 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
12926 | nlmsg_free(msg); | |
12927 | return; | |
12928 | } | |
12929 | ||
68eb5503 | 12930 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12931 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
12932 | } |
12933 | ||
12934 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
12935 | struct net_device *netdev, u32 cmd) | |
12936 | { | |
12937 | struct sk_buff *msg; | |
12938 | ||
58050fce | 12939 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
12940 | if (!msg) |
12941 | return; | |
12942 | ||
12943 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
12944 | nlmsg_free(msg); | |
12945 | return; | |
12946 | } | |
12947 | ||
68eb5503 | 12948 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12949 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
12950 | } |
12951 | ||
b0d7aa59 JD |
12952 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
12953 | struct regulatory_request *request) | |
73d54c9e | 12954 | { |
73d54c9e | 12955 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
12956 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
12957 | goto nla_put_failure; | |
12958 | ||
12959 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
12960 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12961 | NL80211_REGDOM_TYPE_WORLD)) | |
12962 | goto nla_put_failure; | |
12963 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
12964 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12965 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
12966 | goto nla_put_failure; | |
12967 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
12968 | request->intersect) { | |
12969 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12970 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
12971 | goto nla_put_failure; | |
12972 | } else { | |
12973 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12974 | NL80211_REGDOM_TYPE_COUNTRY) || | |
12975 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
12976 | request->alpha2)) | |
12977 | goto nla_put_failure; | |
12978 | } | |
12979 | ||
ad30ca2c AN |
12980 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
12981 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
12982 | ||
12983 | if (wiphy && | |
12984 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
12985 | goto nla_put_failure; | |
1bdd716c AN |
12986 | |
12987 | if (wiphy && | |
12988 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
12989 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
12990 | goto nla_put_failure; | |
ad30ca2c | 12991 | } |
73d54c9e | 12992 | |
b0d7aa59 JD |
12993 | return true; |
12994 | ||
12995 | nla_put_failure: | |
12996 | return false; | |
12997 | } | |
12998 | ||
12999 | /* | |
13000 | * This can happen on global regulatory changes or device specific settings | |
13001 | * based on custom regulatory domains. | |
13002 | */ | |
13003 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
13004 | struct regulatory_request *request) | |
13005 | { | |
13006 | struct sk_buff *msg; | |
13007 | void *hdr; | |
13008 | ||
13009 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13010 | if (!msg) | |
13011 | return; | |
13012 | ||
13013 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
13014 | if (!hdr) { | |
13015 | nlmsg_free(msg); | |
13016 | return; | |
13017 | } | |
13018 | ||
13019 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
13020 | goto nla_put_failure; | |
13021 | ||
3b7b72ee | 13022 | genlmsg_end(msg, hdr); |
73d54c9e | 13023 | |
bc43b28c | 13024 | rcu_read_lock(); |
68eb5503 | 13025 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13026 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 13027 | rcu_read_unlock(); |
73d54c9e LR |
13028 | |
13029 | return; | |
13030 | ||
13031 | nla_put_failure: | |
13032 | genlmsg_cancel(msg, hdr); | |
13033 | nlmsg_free(msg); | |
13034 | } | |
13035 | ||
6039f6d2 JM |
13036 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
13037 | struct net_device *netdev, | |
13038 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
13039 | enum nl80211_commands cmd, gfp_t gfp, |
13040 | int uapsd_queues) | |
6039f6d2 JM |
13041 | { |
13042 | struct sk_buff *msg; | |
13043 | void *hdr; | |
13044 | ||
e6d6e342 | 13045 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
13046 | if (!msg) |
13047 | return; | |
13048 | ||
13049 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13050 | if (!hdr) { | |
13051 | nlmsg_free(msg); | |
13052 | return; | |
13053 | } | |
13054 | ||
9360ffd1 DM |
13055 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13056 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13057 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
13058 | goto nla_put_failure; | |
6039f6d2 | 13059 | |
b0b6aa2c EP |
13060 | if (uapsd_queues >= 0) { |
13061 | struct nlattr *nla_wmm = | |
13062 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
13063 | if (!nla_wmm) | |
13064 | goto nla_put_failure; | |
13065 | ||
13066 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
13067 | uapsd_queues)) | |
13068 | goto nla_put_failure; | |
13069 | ||
13070 | nla_nest_end(msg, nla_wmm); | |
13071 | } | |
13072 | ||
3b7b72ee | 13073 | genlmsg_end(msg, hdr); |
6039f6d2 | 13074 | |
68eb5503 | 13075 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13076 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
13077 | return; |
13078 | ||
13079 | nla_put_failure: | |
13080 | genlmsg_cancel(msg, hdr); | |
13081 | nlmsg_free(msg); | |
13082 | } | |
13083 | ||
13084 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13085 | struct net_device *netdev, const u8 *buf, |
13086 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13087 | { |
13088 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13089 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13090 | } |
13091 | ||
13092 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
13093 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 13094 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 13095 | { |
e6d6e342 | 13096 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 13097 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
13098 | } |
13099 | ||
53b46b84 | 13100 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
13101 | struct net_device *netdev, const u8 *buf, |
13102 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13103 | { |
13104 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13105 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13106 | } |
13107 | ||
53b46b84 JM |
13108 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
13109 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 13110 | size_t len, gfp_t gfp) |
6039f6d2 JM |
13111 | { |
13112 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13113 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
13114 | } |
13115 | ||
6ff57cf8 JB |
13116 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
13117 | size_t len) | |
cf4e594e | 13118 | { |
947add36 JB |
13119 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13120 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13121 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
13122 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
13123 | u32 cmd; | |
947add36 | 13124 | |
6ff57cf8 JB |
13125 | if (WARN_ON(len < 2)) |
13126 | return; | |
cf4e594e | 13127 | |
6ff57cf8 JB |
13128 | if (ieee80211_is_deauth(mgmt->frame_control)) |
13129 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
13130 | else | |
13131 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 13132 | |
6ff57cf8 | 13133 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 13134 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 13135 | } |
6ff57cf8 | 13136 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 13137 | |
1b06bb40 LR |
13138 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
13139 | struct net_device *netdev, int cmd, | |
e6d6e342 | 13140 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
13141 | { |
13142 | struct sk_buff *msg; | |
13143 | void *hdr; | |
13144 | ||
e6d6e342 | 13145 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
13146 | if (!msg) |
13147 | return; | |
13148 | ||
13149 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13150 | if (!hdr) { | |
13151 | nlmsg_free(msg); | |
13152 | return; | |
13153 | } | |
13154 | ||
9360ffd1 DM |
13155 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13156 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13157 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
13158 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13159 | goto nla_put_failure; | |
1965c853 | 13160 | |
3b7b72ee | 13161 | genlmsg_end(msg, hdr); |
1965c853 | 13162 | |
68eb5503 | 13163 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13164 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
13165 | return; |
13166 | ||
13167 | nla_put_failure: | |
13168 | genlmsg_cancel(msg, hdr); | |
13169 | nlmsg_free(msg); | |
13170 | } | |
13171 | ||
13172 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13173 | struct net_device *netdev, const u8 *addr, |
13174 | gfp_t gfp) | |
1965c853 JM |
13175 | { |
13176 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 13177 | addr, gfp); |
1965c853 JM |
13178 | } |
13179 | ||
13180 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13181 | struct net_device *netdev, const u8 *addr, |
13182 | gfp_t gfp) | |
1965c853 | 13183 | { |
e6d6e342 JB |
13184 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
13185 | addr, gfp); | |
1965c853 JM |
13186 | } |
13187 | ||
b23aa676 SO |
13188 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
13189 | struct net_device *netdev, const u8 *bssid, | |
13190 | const u8 *req_ie, size_t req_ie_len, | |
13191 | const u8 *resp_ie, size_t resp_ie_len, | |
bf1ecd21 | 13192 | int status, gfp_t gfp) |
b23aa676 SO |
13193 | { |
13194 | struct sk_buff *msg; | |
13195 | void *hdr; | |
13196 | ||
58050fce | 13197 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
13198 | if (!msg) |
13199 | return; | |
13200 | ||
13201 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
13202 | if (!hdr) { | |
13203 | nlmsg_free(msg); | |
13204 | return; | |
13205 | } | |
13206 | ||
9360ffd1 DM |
13207 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13208 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13209 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
bf1ecd21 JM |
13210 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, |
13211 | status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : | |
13212 | status) || | |
13213 | (status < 0 && nla_put_flag(msg, NL80211_ATTR_TIMED_OUT)) || | |
9360ffd1 DM |
13214 | (req_ie && |
13215 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
13216 | (resp_ie && | |
13217 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
13218 | goto nla_put_failure; | |
b23aa676 | 13219 | |
3b7b72ee | 13220 | genlmsg_end(msg, hdr); |
b23aa676 | 13221 | |
68eb5503 | 13222 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13223 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13224 | return; |
13225 | ||
13226 | nla_put_failure: | |
13227 | genlmsg_cancel(msg, hdr); | |
13228 | nlmsg_free(msg); | |
b23aa676 SO |
13229 | } |
13230 | ||
13231 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
13232 | struct net_device *netdev, const u8 *bssid, | |
13233 | const u8 *req_ie, size_t req_ie_len, | |
13234 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
13235 | { | |
13236 | struct sk_buff *msg; | |
13237 | void *hdr; | |
13238 | ||
58050fce | 13239 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
13240 | if (!msg) |
13241 | return; | |
13242 | ||
13243 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
13244 | if (!hdr) { | |
13245 | nlmsg_free(msg); | |
13246 | return; | |
13247 | } | |
13248 | ||
9360ffd1 DM |
13249 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13250 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13251 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
13252 | (req_ie && | |
13253 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
13254 | (resp_ie && | |
13255 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
13256 | goto nla_put_failure; | |
b23aa676 | 13257 | |
3b7b72ee | 13258 | genlmsg_end(msg, hdr); |
b23aa676 | 13259 | |
68eb5503 | 13260 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13261 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13262 | return; |
13263 | ||
13264 | nla_put_failure: | |
13265 | genlmsg_cancel(msg, hdr); | |
13266 | nlmsg_free(msg); | |
b23aa676 SO |
13267 | } |
13268 | ||
13269 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
13270 | struct net_device *netdev, u16 reason, | |
667503dd | 13271 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
13272 | { |
13273 | struct sk_buff *msg; | |
13274 | void *hdr; | |
13275 | ||
58050fce | 13276 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
13277 | if (!msg) |
13278 | return; | |
13279 | ||
13280 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
13281 | if (!hdr) { | |
13282 | nlmsg_free(msg); | |
13283 | return; | |
13284 | } | |
13285 | ||
9360ffd1 DM |
13286 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13287 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13288 | (from_ap && reason && | |
13289 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
13290 | (from_ap && | |
13291 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
13292 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
13293 | goto nla_put_failure; | |
b23aa676 | 13294 | |
3b7b72ee | 13295 | genlmsg_end(msg, hdr); |
b23aa676 | 13296 | |
68eb5503 | 13297 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13298 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
13299 | return; |
13300 | ||
13301 | nla_put_failure: | |
13302 | genlmsg_cancel(msg, hdr); | |
13303 | nlmsg_free(msg); | |
b23aa676 SO |
13304 | } |
13305 | ||
04a773ad JB |
13306 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
13307 | struct net_device *netdev, const u8 *bssid, | |
13308 | gfp_t gfp) | |
13309 | { | |
13310 | struct sk_buff *msg; | |
13311 | void *hdr; | |
13312 | ||
fd2120ca | 13313 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
13314 | if (!msg) |
13315 | return; | |
13316 | ||
13317 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
13318 | if (!hdr) { | |
13319 | nlmsg_free(msg); | |
13320 | return; | |
13321 | } | |
13322 | ||
9360ffd1 DM |
13323 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13324 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13325 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13326 | goto nla_put_failure; | |
04a773ad | 13327 | |
3b7b72ee | 13328 | genlmsg_end(msg, hdr); |
04a773ad | 13329 | |
68eb5503 | 13330 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13331 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
13332 | return; |
13333 | ||
13334 | nla_put_failure: | |
13335 | genlmsg_cancel(msg, hdr); | |
13336 | nlmsg_free(msg); | |
13337 | } | |
13338 | ||
947add36 JB |
13339 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
13340 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 13341 | { |
947add36 | 13342 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 13343 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
13344 | struct sk_buff *msg; |
13345 | void *hdr; | |
13346 | ||
947add36 JB |
13347 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
13348 | return; | |
13349 | ||
13350 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
13351 | ||
c93b5e71 JC |
13352 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
13353 | if (!msg) | |
13354 | return; | |
13355 | ||
13356 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
13357 | if (!hdr) { | |
13358 | nlmsg_free(msg); | |
13359 | return; | |
13360 | } | |
13361 | ||
9360ffd1 | 13362 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
13363 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
13364 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
13365 | (ie_len && ie && |
13366 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
13367 | goto nla_put_failure; | |
c93b5e71 | 13368 | |
3b7b72ee | 13369 | genlmsg_end(msg, hdr); |
c93b5e71 | 13370 | |
68eb5503 | 13371 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13372 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
13373 | return; |
13374 | ||
13375 | nla_put_failure: | |
13376 | genlmsg_cancel(msg, hdr); | |
13377 | nlmsg_free(msg); | |
13378 | } | |
947add36 | 13379 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 13380 | |
a3b8b056 JM |
13381 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
13382 | struct net_device *netdev, const u8 *addr, | |
13383 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 13384 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
13385 | { |
13386 | struct sk_buff *msg; | |
13387 | void *hdr; | |
13388 | ||
e6d6e342 | 13389 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
13390 | if (!msg) |
13391 | return; | |
13392 | ||
13393 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
13394 | if (!hdr) { | |
13395 | nlmsg_free(msg); | |
13396 | return; | |
13397 | } | |
13398 | ||
9360ffd1 DM |
13399 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13400 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13401 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
13402 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
13403 | (key_id != -1 && | |
13404 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
13405 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
13406 | goto nla_put_failure; | |
a3b8b056 | 13407 | |
3b7b72ee | 13408 | genlmsg_end(msg, hdr); |
a3b8b056 | 13409 | |
68eb5503 | 13410 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13411 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
13412 | return; |
13413 | ||
13414 | nla_put_failure: | |
13415 | genlmsg_cancel(msg, hdr); | |
13416 | nlmsg_free(msg); | |
13417 | } | |
13418 | ||
6bad8766 LR |
13419 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
13420 | struct ieee80211_channel *channel_before, | |
13421 | struct ieee80211_channel *channel_after) | |
13422 | { | |
13423 | struct sk_buff *msg; | |
13424 | void *hdr; | |
13425 | struct nlattr *nl_freq; | |
13426 | ||
fd2120ca | 13427 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
13428 | if (!msg) |
13429 | return; | |
13430 | ||
13431 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
13432 | if (!hdr) { | |
13433 | nlmsg_free(msg); | |
13434 | return; | |
13435 | } | |
13436 | ||
13437 | /* | |
13438 | * Since we are applying the beacon hint to a wiphy we know its | |
13439 | * wiphy_idx is valid | |
13440 | */ | |
9360ffd1 DM |
13441 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
13442 | goto nla_put_failure; | |
6bad8766 LR |
13443 | |
13444 | /* Before */ | |
13445 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
13446 | if (!nl_freq) | |
13447 | goto nla_put_failure; | |
cdc89b97 | 13448 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
13449 | goto nla_put_failure; |
13450 | nla_nest_end(msg, nl_freq); | |
13451 | ||
13452 | /* After */ | |
13453 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
13454 | if (!nl_freq) | |
13455 | goto nla_put_failure; | |
cdc89b97 | 13456 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
13457 | goto nla_put_failure; |
13458 | nla_nest_end(msg, nl_freq); | |
13459 | ||
3b7b72ee | 13460 | genlmsg_end(msg, hdr); |
6bad8766 | 13461 | |
463d0183 | 13462 | rcu_read_lock(); |
68eb5503 | 13463 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13464 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 13465 | rcu_read_unlock(); |
6bad8766 LR |
13466 | |
13467 | return; | |
13468 | ||
13469 | nla_put_failure: | |
13470 | genlmsg_cancel(msg, hdr); | |
13471 | nlmsg_free(msg); | |
13472 | } | |
13473 | ||
9588bbd5 JM |
13474 | static void nl80211_send_remain_on_chan_event( |
13475 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 13476 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 13477 | struct ieee80211_channel *chan, |
9588bbd5 JM |
13478 | unsigned int duration, gfp_t gfp) |
13479 | { | |
13480 | struct sk_buff *msg; | |
13481 | void *hdr; | |
13482 | ||
13483 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13484 | if (!msg) | |
13485 | return; | |
13486 | ||
13487 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13488 | if (!hdr) { | |
13489 | nlmsg_free(msg); | |
13490 | return; | |
13491 | } | |
13492 | ||
9360ffd1 | 13493 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13494 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13495 | wdev->netdev->ifindex)) || | |
2dad624e ND |
13496 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13497 | NL80211_ATTR_PAD) || | |
9360ffd1 | 13498 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
13499 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
13500 | NL80211_CHAN_NO_HT) || | |
2dad624e ND |
13501 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
13502 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13503 | goto nla_put_failure; |
9588bbd5 | 13504 | |
9360ffd1 DM |
13505 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
13506 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
13507 | goto nla_put_failure; | |
9588bbd5 | 13508 | |
3b7b72ee | 13509 | genlmsg_end(msg, hdr); |
9588bbd5 | 13510 | |
68eb5503 | 13511 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13512 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
13513 | return; |
13514 | ||
13515 | nla_put_failure: | |
13516 | genlmsg_cancel(msg, hdr); | |
13517 | nlmsg_free(msg); | |
13518 | } | |
13519 | ||
947add36 JB |
13520 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
13521 | struct ieee80211_channel *chan, | |
13522 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 13523 | { |
947add36 | 13524 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13525 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13526 | |
13527 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 13528 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 13529 | rdev, wdev, cookie, chan, |
42d97a59 | 13530 | duration, gfp); |
9588bbd5 | 13531 | } |
947add36 | 13532 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 13533 | |
947add36 JB |
13534 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
13535 | struct ieee80211_channel *chan, | |
13536 | gfp_t gfp) | |
9588bbd5 | 13537 | { |
947add36 | 13538 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13539 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13540 | |
13541 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 13542 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 13543 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 13544 | } |
947add36 | 13545 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 13546 | |
947add36 JB |
13547 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
13548 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 13549 | { |
947add36 | 13550 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13551 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
13552 | struct sk_buff *msg; |
13553 | ||
947add36 JB |
13554 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
13555 | ||
58050fce | 13556 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
13557 | if (!msg) |
13558 | return; | |
13559 | ||
cf5ead82 | 13560 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 13561 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
13562 | nlmsg_free(msg); |
13563 | return; | |
13564 | } | |
13565 | ||
68eb5503 | 13566 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13567 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 13568 | } |
947add36 | 13569 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 13570 | |
cf5ead82 JB |
13571 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
13572 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 13573 | { |
947add36 | 13574 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13575 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 13576 | struct sk_buff *msg; |
cf5ead82 JB |
13577 | struct station_info empty_sinfo = {}; |
13578 | ||
13579 | if (!sinfo) | |
13580 | sinfo = &empty_sinfo; | |
ec15e68b | 13581 | |
947add36 JB |
13582 | trace_cfg80211_del_sta(dev, mac_addr); |
13583 | ||
58050fce | 13584 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
13585 | if (!msg) |
13586 | return; | |
13587 | ||
cf5ead82 | 13588 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 13589 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b JM |
13590 | nlmsg_free(msg); |
13591 | return; | |
13592 | } | |
13593 | ||
68eb5503 | 13594 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13595 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 13596 | } |
cf5ead82 | 13597 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 13598 | |
947add36 JB |
13599 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
13600 | enum nl80211_connect_failed_reason reason, | |
13601 | gfp_t gfp) | |
ed44a951 | 13602 | { |
947add36 | 13603 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13604 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
13605 | struct sk_buff *msg; |
13606 | void *hdr; | |
13607 | ||
13608 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
13609 | if (!msg) | |
13610 | return; | |
13611 | ||
13612 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
13613 | if (!hdr) { | |
13614 | nlmsg_free(msg); | |
13615 | return; | |
13616 | } | |
13617 | ||
13618 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13619 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
13620 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
13621 | goto nla_put_failure; | |
13622 | ||
13623 | genlmsg_end(msg, hdr); | |
13624 | ||
68eb5503 | 13625 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13626 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
13627 | return; |
13628 | ||
13629 | nla_put_failure: | |
13630 | genlmsg_cancel(msg, hdr); | |
13631 | nlmsg_free(msg); | |
13632 | } | |
947add36 | 13633 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 13634 | |
b92ab5d8 JB |
13635 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
13636 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
13637 | { |
13638 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 13639 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
13640 | struct sk_buff *msg; |
13641 | void *hdr; | |
15e47304 | 13642 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 13643 | |
15e47304 | 13644 | if (!nlportid) |
28946da7 JB |
13645 | return false; |
13646 | ||
13647 | msg = nlmsg_new(100, gfp); | |
13648 | if (!msg) | |
13649 | return true; | |
13650 | ||
b92ab5d8 | 13651 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
13652 | if (!hdr) { |
13653 | nlmsg_free(msg); | |
13654 | return true; | |
13655 | } | |
13656 | ||
9360ffd1 DM |
13657 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13658 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13659 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13660 | goto nla_put_failure; | |
28946da7 | 13661 | |
9c90a9f6 | 13662 | genlmsg_end(msg, hdr); |
15e47304 | 13663 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
13664 | return true; |
13665 | ||
13666 | nla_put_failure: | |
13667 | genlmsg_cancel(msg, hdr); | |
13668 | nlmsg_free(msg); | |
13669 | return true; | |
13670 | } | |
13671 | ||
947add36 JB |
13672 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
13673 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 13674 | { |
947add36 JB |
13675 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13676 | bool ret; | |
13677 | ||
13678 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
13679 | ||
13680 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
13681 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
13682 | trace_cfg80211_return_bool(false); | |
13683 | return false; | |
13684 | } | |
13685 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
13686 | addr, gfp); | |
13687 | trace_cfg80211_return_bool(ret); | |
13688 | return ret; | |
b92ab5d8 | 13689 | } |
947add36 | 13690 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 13691 | |
947add36 JB |
13692 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
13693 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 13694 | { |
947add36 JB |
13695 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13696 | bool ret; | |
13697 | ||
13698 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
13699 | ||
13700 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
13701 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
13702 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
13703 | trace_cfg80211_return_bool(false); | |
13704 | return false; | |
13705 | } | |
13706 | ret = __nl80211_unexpected_frame(dev, | |
13707 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
13708 | addr, gfp); | |
13709 | trace_cfg80211_return_bool(ret); | |
13710 | return ret; | |
b92ab5d8 | 13711 | } |
947add36 | 13712 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 13713 | |
2e161f78 | 13714 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 13715 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 13716 | int freq, int sig_dbm, |
19504cf5 | 13717 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 13718 | { |
71bbc994 | 13719 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
13720 | struct sk_buff *msg; |
13721 | void *hdr; | |
026331c4 JM |
13722 | |
13723 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13724 | if (!msg) | |
13725 | return -ENOMEM; | |
13726 | ||
2e161f78 | 13727 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
13728 | if (!hdr) { |
13729 | nlmsg_free(msg); | |
13730 | return -ENOMEM; | |
13731 | } | |
13732 | ||
9360ffd1 | 13733 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13734 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13735 | netdev->ifindex)) || | |
2dad624e ND |
13736 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13737 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
13738 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
13739 | (sig_dbm && | |
13740 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
13741 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
13742 | (flags && | |
13743 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 13744 | goto nla_put_failure; |
026331c4 | 13745 | |
3b7b72ee | 13746 | genlmsg_end(msg, hdr); |
026331c4 | 13747 | |
15e47304 | 13748 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
13749 | |
13750 | nla_put_failure: | |
13751 | genlmsg_cancel(msg, hdr); | |
13752 | nlmsg_free(msg); | |
13753 | return -ENOBUFS; | |
13754 | } | |
13755 | ||
947add36 JB |
13756 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
13757 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 13758 | { |
947add36 | 13759 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13760 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 13761 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
13762 | struct sk_buff *msg; |
13763 | void *hdr; | |
13764 | ||
947add36 JB |
13765 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
13766 | ||
026331c4 JM |
13767 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
13768 | if (!msg) | |
13769 | return; | |
13770 | ||
2e161f78 | 13771 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
13772 | if (!hdr) { |
13773 | nlmsg_free(msg); | |
13774 | return; | |
13775 | } | |
13776 | ||
9360ffd1 | 13777 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13778 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13779 | netdev->ifindex)) || | |
2dad624e ND |
13780 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13781 | NL80211_ATTR_PAD) || | |
9360ffd1 | 13782 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
2dad624e ND |
13783 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
13784 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
13785 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) |
13786 | goto nla_put_failure; | |
026331c4 | 13787 | |
3b7b72ee | 13788 | genlmsg_end(msg, hdr); |
026331c4 | 13789 | |
68eb5503 | 13790 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13791 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
13792 | return; |
13793 | ||
13794 | nla_put_failure: | |
13795 | genlmsg_cancel(msg, hdr); | |
13796 | nlmsg_free(msg); | |
13797 | } | |
947add36 | 13798 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 13799 | |
5b97f49d JB |
13800 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
13801 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 13802 | { |
947add36 | 13803 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
13804 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
13805 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13806 | void **cb; | |
947add36 | 13807 | |
d6dc1a38 | 13808 | if (!msg) |
5b97f49d | 13809 | return NULL; |
d6dc1a38 | 13810 | |
5b97f49d JB |
13811 | cb = (void **)msg->cb; |
13812 | ||
13813 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
13814 | if (!cb[0]) { | |
d6dc1a38 | 13815 | nlmsg_free(msg); |
5b97f49d | 13816 | return NULL; |
d6dc1a38 JO |
13817 | } |
13818 | ||
9360ffd1 | 13819 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 13820 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 13821 | goto nla_put_failure; |
d6dc1a38 | 13822 | |
5b97f49d | 13823 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
13824 | goto nla_put_failure; |
13825 | ||
5b97f49d JB |
13826 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
13827 | if (!cb[1]) | |
9360ffd1 | 13828 | goto nla_put_failure; |
d6dc1a38 | 13829 | |
5b97f49d | 13830 | cb[2] = rdev; |
d6dc1a38 | 13831 | |
5b97f49d JB |
13832 | return msg; |
13833 | nla_put_failure: | |
13834 | nlmsg_free(msg); | |
13835 | return NULL; | |
13836 | } | |
13837 | ||
13838 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
13839 | { | |
13840 | void **cb = (void **)msg->cb; | |
13841 | struct cfg80211_registered_device *rdev = cb[2]; | |
13842 | ||
13843 | nla_nest_end(msg, cb[1]); | |
13844 | genlmsg_end(msg, cb[0]); | |
13845 | ||
13846 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 13847 | |
68eb5503 | 13848 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13849 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
13850 | } |
13851 | ||
13852 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
13853 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
13854 | gfp_t gfp) | |
13855 | { | |
13856 | struct sk_buff *msg; | |
13857 | ||
13858 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); | |
13859 | ||
98f03342 JB |
13860 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
13861 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
13862 | return; | |
13863 | ||
5b97f49d JB |
13864 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
13865 | if (!msg) | |
13866 | return; | |
13867 | ||
13868 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
13869 | rssi_event)) | |
13870 | goto nla_put_failure; | |
13871 | ||
13872 | cfg80211_send_cqm(msg, gfp); | |
13873 | ||
d6dc1a38 JO |
13874 | return; |
13875 | ||
13876 | nla_put_failure: | |
d6dc1a38 JO |
13877 | nlmsg_free(msg); |
13878 | } | |
947add36 | 13879 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 13880 | |
5b97f49d JB |
13881 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
13882 | const u8 *peer, u32 num_packets, | |
13883 | u32 rate, u32 intvl, gfp_t gfp) | |
13884 | { | |
13885 | struct sk_buff *msg; | |
13886 | ||
13887 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
13888 | if (!msg) | |
13889 | return; | |
13890 | ||
13891 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
13892 | goto nla_put_failure; | |
13893 | ||
13894 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
13895 | goto nla_put_failure; | |
13896 | ||
13897 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
13898 | goto nla_put_failure; | |
13899 | ||
13900 | cfg80211_send_cqm(msg, gfp); | |
13901 | return; | |
13902 | ||
13903 | nla_put_failure: | |
13904 | nlmsg_free(msg); | |
13905 | } | |
13906 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
13907 | ||
13908 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
13909 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
13910 | { | |
13911 | struct sk_buff *msg; | |
13912 | ||
13913 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
13914 | ||
13915 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
13916 | if (!msg) | |
13917 | return; | |
13918 | ||
13919 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
13920 | goto nla_put_failure; | |
13921 | ||
13922 | cfg80211_send_cqm(msg, gfp); | |
13923 | return; | |
13924 | ||
13925 | nla_put_failure: | |
13926 | nlmsg_free(msg); | |
13927 | } | |
13928 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
13929 | ||
98f03342 JB |
13930 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
13931 | { | |
13932 | struct sk_buff *msg; | |
13933 | ||
13934 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
13935 | if (!msg) | |
13936 | return; | |
13937 | ||
13938 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
13939 | goto nla_put_failure; | |
13940 | ||
13941 | cfg80211_send_cqm(msg, gfp); | |
13942 | return; | |
13943 | ||
13944 | nla_put_failure: | |
13945 | nlmsg_free(msg); | |
13946 | } | |
13947 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
13948 | ||
947add36 JB |
13949 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
13950 | struct net_device *netdev, const u8 *bssid, | |
13951 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
13952 | { |
13953 | struct sk_buff *msg; | |
13954 | struct nlattr *rekey_attr; | |
13955 | void *hdr; | |
13956 | ||
58050fce | 13957 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
13958 | if (!msg) |
13959 | return; | |
13960 | ||
13961 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
13962 | if (!hdr) { | |
13963 | nlmsg_free(msg); | |
13964 | return; | |
13965 | } | |
13966 | ||
9360ffd1 DM |
13967 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13968 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13969 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13970 | goto nla_put_failure; | |
e5497d76 JB |
13971 | |
13972 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
13973 | if (!rekey_attr) | |
13974 | goto nla_put_failure; | |
13975 | ||
9360ffd1 DM |
13976 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
13977 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
13978 | goto nla_put_failure; | |
e5497d76 JB |
13979 | |
13980 | nla_nest_end(msg, rekey_attr); | |
13981 | ||
3b7b72ee | 13982 | genlmsg_end(msg, hdr); |
e5497d76 | 13983 | |
68eb5503 | 13984 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13985 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
13986 | return; |
13987 | ||
13988 | nla_put_failure: | |
13989 | genlmsg_cancel(msg, hdr); | |
13990 | nlmsg_free(msg); | |
13991 | } | |
13992 | ||
947add36 JB |
13993 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
13994 | const u8 *replay_ctr, gfp_t gfp) | |
13995 | { | |
13996 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
13997 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13998 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13999 | |
14000 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
14001 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
14002 | } | |
14003 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
14004 | ||
14005 | static void | |
14006 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
14007 | struct net_device *netdev, int index, | |
14008 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
14009 | { |
14010 | struct sk_buff *msg; | |
14011 | struct nlattr *attr; | |
14012 | void *hdr; | |
14013 | ||
58050fce | 14014 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
14015 | if (!msg) |
14016 | return; | |
14017 | ||
14018 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
14019 | if (!hdr) { | |
14020 | nlmsg_free(msg); | |
14021 | return; | |
14022 | } | |
14023 | ||
9360ffd1 DM |
14024 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14025 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
14026 | goto nla_put_failure; | |
c9df56b4 JM |
14027 | |
14028 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
14029 | if (!attr) | |
14030 | goto nla_put_failure; | |
14031 | ||
9360ffd1 DM |
14032 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
14033 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
14034 | (preauth && | |
14035 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
14036 | goto nla_put_failure; | |
c9df56b4 JM |
14037 | |
14038 | nla_nest_end(msg, attr); | |
14039 | ||
3b7b72ee | 14040 | genlmsg_end(msg, hdr); |
c9df56b4 | 14041 | |
68eb5503 | 14042 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14043 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
14044 | return; |
14045 | ||
14046 | nla_put_failure: | |
14047 | genlmsg_cancel(msg, hdr); | |
14048 | nlmsg_free(msg); | |
14049 | } | |
14050 | ||
947add36 JB |
14051 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
14052 | const u8 *bssid, bool preauth, gfp_t gfp) | |
14053 | { | |
14054 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14055 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14056 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14057 | |
14058 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
14059 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
14060 | } | |
14061 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
14062 | ||
14063 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
14064 | struct net_device *netdev, | |
14065 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
14066 | gfp_t gfp, |
14067 | enum nl80211_commands notif, | |
14068 | u8 count) | |
5314526b TP |
14069 | { |
14070 | struct sk_buff *msg; | |
14071 | void *hdr; | |
14072 | ||
58050fce | 14073 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
14074 | if (!msg) |
14075 | return; | |
14076 | ||
f8d7552e | 14077 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
14078 | if (!hdr) { |
14079 | nlmsg_free(msg); | |
14080 | return; | |
14081 | } | |
14082 | ||
683b6d3b JB |
14083 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
14084 | goto nla_put_failure; | |
14085 | ||
14086 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 14087 | goto nla_put_failure; |
5314526b | 14088 | |
f8d7552e LC |
14089 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
14090 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
14091 | goto nla_put_failure; | |
14092 | ||
5314526b TP |
14093 | genlmsg_end(msg, hdr); |
14094 | ||
68eb5503 | 14095 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14096 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
14097 | return; |
14098 | ||
14099 | nla_put_failure: | |
14100 | genlmsg_cancel(msg, hdr); | |
14101 | nlmsg_free(msg); | |
14102 | } | |
14103 | ||
947add36 JB |
14104 | void cfg80211_ch_switch_notify(struct net_device *dev, |
14105 | struct cfg80211_chan_def *chandef) | |
84f10708 | 14106 | { |
947add36 JB |
14107 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14108 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14109 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 14110 | |
e487eaeb | 14111 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 14112 | |
e487eaeb | 14113 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 14114 | |
9e0e2961 | 14115 | wdev->chandef = *chandef; |
96f55f12 | 14116 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
14117 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
14118 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
14119 | } |
14120 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
14121 | ||
f8d7552e LC |
14122 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
14123 | struct cfg80211_chan_def *chandef, | |
14124 | u8 count) | |
14125 | { | |
14126 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14127 | struct wiphy *wiphy = wdev->wiphy; | |
14128 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
14129 | ||
14130 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
14131 | ||
14132 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
14133 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
14134 | } | |
14135 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
14136 | ||
04f39047 SW |
14137 | void |
14138 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 14139 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
14140 | enum nl80211_radar_event event, |
14141 | struct net_device *netdev, gfp_t gfp) | |
14142 | { | |
14143 | struct sk_buff *msg; | |
14144 | void *hdr; | |
14145 | ||
14146 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14147 | if (!msg) | |
14148 | return; | |
14149 | ||
14150 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
14151 | if (!hdr) { | |
14152 | nlmsg_free(msg); | |
14153 | return; | |
14154 | } | |
14155 | ||
14156 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
14157 | goto nla_put_failure; | |
14158 | ||
14159 | /* NOP and radar events don't need a netdev parameter */ | |
14160 | if (netdev) { | |
14161 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
14162 | ||
14163 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
2dad624e ND |
14164 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14165 | NL80211_ATTR_PAD)) | |
04f39047 SW |
14166 | goto nla_put_failure; |
14167 | } | |
14168 | ||
14169 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
14170 | goto nla_put_failure; | |
14171 | ||
14172 | if (nl80211_send_chandef(msg, chandef)) | |
14173 | goto nla_put_failure; | |
14174 | ||
9c90a9f6 | 14175 | genlmsg_end(msg, hdr); |
04f39047 | 14176 | |
68eb5503 | 14177 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14178 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
14179 | return; |
14180 | ||
14181 | nla_put_failure: | |
14182 | genlmsg_cancel(msg, hdr); | |
14183 | nlmsg_free(msg); | |
14184 | } | |
14185 | ||
7f6cf311 JB |
14186 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
14187 | u64 cookie, bool acked, gfp_t gfp) | |
14188 | { | |
14189 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14190 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
14191 | struct sk_buff *msg; |
14192 | void *hdr; | |
7f6cf311 | 14193 | |
4ee3e063 BL |
14194 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
14195 | ||
58050fce | 14196 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 14197 | |
7f6cf311 JB |
14198 | if (!msg) |
14199 | return; | |
14200 | ||
14201 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
14202 | if (!hdr) { | |
14203 | nlmsg_free(msg); | |
14204 | return; | |
14205 | } | |
14206 | ||
9360ffd1 DM |
14207 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14208 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14209 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
2dad624e ND |
14210 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14211 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14212 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14213 | goto nla_put_failure; | |
7f6cf311 | 14214 | |
9c90a9f6 | 14215 | genlmsg_end(msg, hdr); |
7f6cf311 | 14216 | |
68eb5503 | 14217 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14218 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
14219 | return; |
14220 | ||
14221 | nla_put_failure: | |
14222 | genlmsg_cancel(msg, hdr); | |
14223 | nlmsg_free(msg); | |
14224 | } | |
14225 | EXPORT_SYMBOL(cfg80211_probe_status); | |
14226 | ||
5e760230 JB |
14227 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
14228 | const u8 *frame, size_t len, | |
37c73b5f | 14229 | int freq, int sig_dbm) |
5e760230 | 14230 | { |
f26cbf40 | 14231 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
14232 | struct sk_buff *msg; |
14233 | void *hdr; | |
37c73b5f | 14234 | struct cfg80211_beacon_registration *reg; |
5e760230 | 14235 | |
4ee3e063 BL |
14236 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
14237 | ||
37c73b5f BG |
14238 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14239 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
14240 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
14241 | if (!msg) { | |
14242 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
14243 | return; | |
14244 | } | |
5e760230 | 14245 | |
37c73b5f BG |
14246 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
14247 | if (!hdr) | |
14248 | goto nla_put_failure; | |
5e760230 | 14249 | |
37c73b5f BG |
14250 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14251 | (freq && | |
14252 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
14253 | (sig_dbm && | |
14254 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
14255 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
14256 | goto nla_put_failure; | |
5e760230 | 14257 | |
37c73b5f | 14258 | genlmsg_end(msg, hdr); |
5e760230 | 14259 | |
37c73b5f BG |
14260 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
14261 | } | |
14262 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
14263 | return; |
14264 | ||
14265 | nla_put_failure: | |
37c73b5f BG |
14266 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
14267 | if (hdr) | |
14268 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
14269 | nlmsg_free(msg); |
14270 | } | |
14271 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
14272 | ||
cd8f7cb4 | 14273 | #ifdef CONFIG_PM |
8cd4d456 LC |
14274 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
14275 | struct cfg80211_wowlan_wakeup *wakeup) | |
14276 | { | |
14277 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
14278 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
14279 | int i, j; | |
14280 | ||
14281 | nl_results = nla_nest_start( | |
14282 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
14283 | if (!nl_results) | |
14284 | return -EMSGSIZE; | |
14285 | ||
14286 | for (i = 0; i < nd->n_matches; i++) { | |
14287 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
14288 | ||
14289 | nl_match = nla_nest_start(msg, i); | |
14290 | if (!nl_match) | |
14291 | break; | |
14292 | ||
14293 | /* The SSID attribute is optional in nl80211, but for | |
14294 | * simplicity reasons it's always present in the | |
14295 | * cfg80211 structure. If a driver can't pass the | |
14296 | * SSID, that needs to be changed. A zero length SSID | |
14297 | * is still a valid SSID (wildcard), so it cannot be | |
14298 | * used for this purpose. | |
14299 | */ | |
14300 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
14301 | match->ssid.ssid)) { | |
14302 | nla_nest_cancel(msg, nl_match); | |
14303 | goto out; | |
14304 | } | |
14305 | ||
14306 | if (match->n_channels) { | |
14307 | nl_freqs = nla_nest_start( | |
14308 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
14309 | if (!nl_freqs) { | |
14310 | nla_nest_cancel(msg, nl_match); | |
14311 | goto out; | |
14312 | } | |
14313 | ||
14314 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 14315 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
14316 | nla_nest_cancel(msg, nl_freqs); |
14317 | nla_nest_cancel(msg, nl_match); | |
14318 | goto out; | |
14319 | } | |
14320 | } | |
14321 | ||
14322 | nla_nest_end(msg, nl_freqs); | |
14323 | } | |
14324 | ||
14325 | nla_nest_end(msg, nl_match); | |
14326 | } | |
14327 | ||
14328 | out: | |
14329 | nla_nest_end(msg, nl_results); | |
14330 | return 0; | |
14331 | } | |
14332 | ||
cd8f7cb4 JB |
14333 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
14334 | struct cfg80211_wowlan_wakeup *wakeup, | |
14335 | gfp_t gfp) | |
14336 | { | |
f26cbf40 | 14337 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
14338 | struct sk_buff *msg; |
14339 | void *hdr; | |
9c90a9f6 | 14340 | int size = 200; |
cd8f7cb4 JB |
14341 | |
14342 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
14343 | ||
14344 | if (wakeup) | |
14345 | size += wakeup->packet_present_len; | |
14346 | ||
14347 | msg = nlmsg_new(size, gfp); | |
14348 | if (!msg) | |
14349 | return; | |
14350 | ||
14351 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
14352 | if (!hdr) | |
14353 | goto free_msg; | |
14354 | ||
14355 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14356 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14357 | NL80211_ATTR_PAD)) | |
cd8f7cb4 JB |
14358 | goto free_msg; |
14359 | ||
14360 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
14361 | wdev->netdev->ifindex)) | |
14362 | goto free_msg; | |
14363 | ||
14364 | if (wakeup) { | |
14365 | struct nlattr *reasons; | |
14366 | ||
14367 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
14368 | if (!reasons) |
14369 | goto free_msg; | |
cd8f7cb4 JB |
14370 | |
14371 | if (wakeup->disconnect && | |
14372 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
14373 | goto free_msg; | |
14374 | if (wakeup->magic_pkt && | |
14375 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
14376 | goto free_msg; | |
14377 | if (wakeup->gtk_rekey_failure && | |
14378 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
14379 | goto free_msg; | |
14380 | if (wakeup->eap_identity_req && | |
14381 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
14382 | goto free_msg; | |
14383 | if (wakeup->four_way_handshake && | |
14384 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
14385 | goto free_msg; | |
14386 | if (wakeup->rfkill_release && | |
14387 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
14388 | goto free_msg; | |
14389 | ||
14390 | if (wakeup->pattern_idx >= 0 && | |
14391 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
14392 | wakeup->pattern_idx)) | |
14393 | goto free_msg; | |
14394 | ||
ae917c9f JB |
14395 | if (wakeup->tcp_match && |
14396 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
14397 | goto free_msg; | |
2a0e047e | 14398 | |
ae917c9f JB |
14399 | if (wakeup->tcp_connlost && |
14400 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
14401 | goto free_msg; | |
2a0e047e | 14402 | |
ae917c9f JB |
14403 | if (wakeup->tcp_nomoretokens && |
14404 | nla_put_flag(msg, | |
14405 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
14406 | goto free_msg; | |
2a0e047e | 14407 | |
cd8f7cb4 JB |
14408 | if (wakeup->packet) { |
14409 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
14410 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
14411 | ||
14412 | if (!wakeup->packet_80211) { | |
14413 | pkt_attr = | |
14414 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
14415 | len_attr = | |
14416 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
14417 | } | |
14418 | ||
14419 | if (wakeup->packet_len && | |
14420 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
14421 | goto free_msg; | |
14422 | ||
14423 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
14424 | wakeup->packet)) | |
14425 | goto free_msg; | |
14426 | } | |
14427 | ||
8cd4d456 LC |
14428 | if (wakeup->net_detect && |
14429 | cfg80211_net_detect_results(msg, wakeup)) | |
14430 | goto free_msg; | |
14431 | ||
cd8f7cb4 JB |
14432 | nla_nest_end(msg, reasons); |
14433 | } | |
14434 | ||
9c90a9f6 | 14435 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 14436 | |
68eb5503 | 14437 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14438 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
14439 | return; |
14440 | ||
14441 | free_msg: | |
14442 | nlmsg_free(msg); | |
14443 | } | |
14444 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
14445 | #endif | |
14446 | ||
3475b094 JM |
14447 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
14448 | enum nl80211_tdls_operation oper, | |
14449 | u16 reason_code, gfp_t gfp) | |
14450 | { | |
14451 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14452 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
14453 | struct sk_buff *msg; |
14454 | void *hdr; | |
3475b094 JM |
14455 | |
14456 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
14457 | reason_code); | |
14458 | ||
14459 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14460 | if (!msg) | |
14461 | return; | |
14462 | ||
14463 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
14464 | if (!hdr) { | |
14465 | nlmsg_free(msg); | |
14466 | return; | |
14467 | } | |
14468 | ||
14469 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14470 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14471 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
14472 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
14473 | (reason_code > 0 && | |
14474 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
14475 | goto nla_put_failure; | |
14476 | ||
9c90a9f6 | 14477 | genlmsg_end(msg, hdr); |
3475b094 | 14478 | |
68eb5503 | 14479 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14480 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
14481 | return; |
14482 | ||
14483 | nla_put_failure: | |
14484 | genlmsg_cancel(msg, hdr); | |
14485 | nlmsg_free(msg); | |
14486 | } | |
14487 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
14488 | ||
026331c4 JM |
14489 | static int nl80211_netlink_notify(struct notifier_block * nb, |
14490 | unsigned long state, | |
14491 | void *_notify) | |
14492 | { | |
14493 | struct netlink_notify *notify = _notify; | |
14494 | struct cfg80211_registered_device *rdev; | |
14495 | struct wireless_dev *wdev; | |
37c73b5f | 14496 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 | 14497 | |
8f815cdd | 14498 | if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC) |
026331c4 JM |
14499 | return NOTIFY_DONE; |
14500 | ||
14501 | rcu_read_lock(); | |
14502 | ||
5e760230 | 14503 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a | 14504 | bool schedule_destroy_work = false; |
93a1e86c JR |
14505 | bool schedule_scan_stop = false; |
14506 | struct cfg80211_sched_scan_request *sched_scan_req = | |
14507 | rcu_dereference(rdev->sched_scan_req); | |
14508 | ||
14509 | if (sched_scan_req && notify->portid && | |
14510 | sched_scan_req->owner_nlportid == notify->portid) | |
14511 | schedule_scan_stop = true; | |
78f22b6a | 14512 | |
53873f13 | 14513 | list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) { |
15e47304 | 14514 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 14515 | |
78f22b6a JB |
14516 | if (wdev->owner_nlportid == notify->portid) |
14517 | schedule_destroy_work = true; | |
14518 | } | |
14519 | ||
37c73b5f BG |
14520 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14521 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
14522 | list) { | |
14523 | if (reg->nlportid == notify->portid) { | |
14524 | list_del(®->list); | |
14525 | kfree(reg); | |
14526 | break; | |
14527 | } | |
14528 | } | |
14529 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
14530 | |
14531 | if (schedule_destroy_work) { | |
14532 | struct cfg80211_iface_destroy *destroy; | |
14533 | ||
14534 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
14535 | if (destroy) { | |
14536 | destroy->nlportid = notify->portid; | |
14537 | spin_lock(&rdev->destroy_list_lock); | |
14538 | list_add(&destroy->list, &rdev->destroy_list); | |
14539 | spin_unlock(&rdev->destroy_list_lock); | |
14540 | schedule_work(&rdev->destroy_work); | |
14541 | } | |
93a1e86c JR |
14542 | } else if (schedule_scan_stop) { |
14543 | sched_scan_req->owner_nlportid = 0; | |
14544 | ||
14545 | if (rdev->ops->sched_scan_stop && | |
14546 | rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
14547 | schedule_work(&rdev->sched_scan_stop_wk); | |
78f22b6a | 14548 | } |
5e760230 | 14549 | } |
026331c4 JM |
14550 | |
14551 | rcu_read_unlock(); | |
14552 | ||
05050753 I |
14553 | /* |
14554 | * It is possible that the user space process that is controlling the | |
14555 | * indoor setting disappeared, so notify the regulatory core. | |
14556 | */ | |
14557 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 14558 | return NOTIFY_OK; |
026331c4 JM |
14559 | } |
14560 | ||
14561 | static struct notifier_block nl80211_netlink_notifier = { | |
14562 | .notifier_call = nl80211_netlink_notify, | |
14563 | }; | |
14564 | ||
355199e0 JM |
14565 | void cfg80211_ft_event(struct net_device *netdev, |
14566 | struct cfg80211_ft_event_params *ft_event) | |
14567 | { | |
14568 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 14569 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
14570 | struct sk_buff *msg; |
14571 | void *hdr; | |
355199e0 JM |
14572 | |
14573 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
14574 | ||
14575 | if (!ft_event->target_ap) | |
14576 | return; | |
14577 | ||
14578 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14579 | if (!msg) | |
14580 | return; | |
14581 | ||
14582 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
14583 | if (!hdr) |
14584 | goto out; | |
355199e0 | 14585 | |
ae917c9f JB |
14586 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14587 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14588 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
14589 | goto out; | |
355199e0 | 14590 | |
ae917c9f JB |
14591 | if (ft_event->ies && |
14592 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
14593 | goto out; | |
14594 | if (ft_event->ric_ies && | |
14595 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
14596 | ft_event->ric_ies)) | |
14597 | goto out; | |
355199e0 | 14598 | |
9c90a9f6 | 14599 | genlmsg_end(msg, hdr); |
355199e0 | 14600 | |
68eb5503 | 14601 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14602 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
14603 | return; |
14604 | out: | |
14605 | nlmsg_free(msg); | |
355199e0 JM |
14606 | } |
14607 | EXPORT_SYMBOL(cfg80211_ft_event); | |
14608 | ||
5de17984 AS |
14609 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
14610 | { | |
14611 | struct cfg80211_registered_device *rdev; | |
14612 | struct sk_buff *msg; | |
14613 | void *hdr; | |
14614 | u32 nlportid; | |
14615 | ||
f26cbf40 | 14616 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
14617 | if (!rdev->crit_proto_nlportid) |
14618 | return; | |
14619 | ||
14620 | nlportid = rdev->crit_proto_nlportid; | |
14621 | rdev->crit_proto_nlportid = 0; | |
14622 | ||
14623 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14624 | if (!msg) | |
14625 | return; | |
14626 | ||
14627 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
14628 | if (!hdr) | |
14629 | goto nla_put_failure; | |
14630 | ||
14631 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14632 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14633 | NL80211_ATTR_PAD)) | |
5de17984 AS |
14634 | goto nla_put_failure; |
14635 | ||
14636 | genlmsg_end(msg, hdr); | |
14637 | ||
14638 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
14639 | return; | |
14640 | ||
14641 | nla_put_failure: | |
14642 | if (hdr) | |
14643 | genlmsg_cancel(msg, hdr); | |
14644 | nlmsg_free(msg); | |
5de17984 AS |
14645 | } |
14646 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
14647 | ||
348baf0e JB |
14648 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
14649 | { | |
14650 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14651 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
14652 | struct sk_buff *msg; |
14653 | void *hdr; | |
14654 | ||
14655 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14656 | if (!msg) | |
14657 | return; | |
14658 | ||
14659 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
14660 | if (!hdr) | |
14661 | goto out; | |
14662 | ||
14663 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14664 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
2dad624e ND |
14665 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14666 | NL80211_ATTR_PAD)) | |
348baf0e JB |
14667 | goto out; |
14668 | ||
14669 | genlmsg_end(msg, hdr); | |
14670 | ||
14671 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
14672 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
14673 | return; | |
14674 | out: | |
14675 | nlmsg_free(msg); | |
14676 | } | |
14677 | ||
55682965 JB |
14678 | /* initialisation/exit functions */ |
14679 | ||
56989f6d | 14680 | int __init nl80211_init(void) |
55682965 | 14681 | { |
0d63cbb5 | 14682 | int err; |
55682965 | 14683 | |
489111e5 | 14684 | err = genl_register_family(&nl80211_fam); |
55682965 JB |
14685 | if (err) |
14686 | return err; | |
14687 | ||
026331c4 JM |
14688 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
14689 | if (err) | |
14690 | goto err_out; | |
14691 | ||
55682965 JB |
14692 | return 0; |
14693 | err_out: | |
14694 | genl_unregister_family(&nl80211_fam); | |
14695 | return err; | |
14696 | } | |
14697 | ||
14698 | void nl80211_exit(void) | |
14699 | { | |
026331c4 | 14700 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
14701 | genl_unregister_family(&nl80211_fam); |
14702 | } |