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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 | ||
06f7c88c BL |
4618 | /* |
4619 | * Older kernel versions ignored this attribute entirely, so don't | |
4620 | * reject attempts to update it but mark it as unused instead so the | |
4621 | * driver won't look at the data. | |
4622 | */ | |
4623 | if (statype != CFG80211_STA_AP_CLIENT_UNASSOC && | |
4624 | statype != CFG80211_STA_TDLS_PEER_SETUP) | |
4625 | params->opmode_notif_used = false; | |
4626 | ||
77ee7c89 JB |
4627 | return 0; |
4628 | } | |
4629 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4630 | ||
5727ef1b | 4631 | /* |
c258d2de | 4632 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4633 | */ |
80b99899 JB |
4634 | static struct net_device *get_vlan(struct genl_info *info, |
4635 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4636 | { |
463d0183 | 4637 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4638 | struct net_device *v; |
4639 | int ret; | |
4640 | ||
4641 | if (!vlanattr) | |
4642 | return NULL; | |
4643 | ||
4644 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4645 | if (!v) | |
4646 | return ERR_PTR(-ENODEV); | |
4647 | ||
4648 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4649 | ret = -EINVAL; | |
4650 | goto error; | |
5727ef1b | 4651 | } |
80b99899 | 4652 | |
77ee7c89 JB |
4653 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4654 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4655 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4656 | ret = -EINVAL; | |
4657 | goto error; | |
4658 | } | |
4659 | ||
80b99899 JB |
4660 | if (!netif_running(v)) { |
4661 | ret = -ENETDOWN; | |
4662 | goto error; | |
4663 | } | |
4664 | ||
4665 | return v; | |
4666 | error: | |
4667 | dev_put(v); | |
4668 | return ERR_PTR(ret); | |
5727ef1b JB |
4669 | } |
4670 | ||
94e860f1 JB |
4671 | static const struct nla_policy |
4672 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4673 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4674 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4675 | }; | |
4676 | ||
ff276691 JB |
4677 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4678 | struct station_parameters *params) | |
df881293 | 4679 | { |
df881293 JM |
4680 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4681 | struct nlattr *nla; | |
4682 | int err; | |
4683 | ||
df881293 JM |
4684 | /* parse WME attributes if present */ |
4685 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4686 | return 0; | |
4687 | ||
4688 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4689 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4690 | nl80211_sta_wme_policy); | |
4691 | if (err) | |
4692 | return err; | |
4693 | ||
4694 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4695 | params->uapsd_queues = nla_get_u8( | |
4696 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4697 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4698 | return -EINVAL; | |
4699 | ||
4700 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4701 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4702 | ||
4703 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4704 | return -EINVAL; | |
4705 | ||
4706 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4707 | ||
4708 | return 0; | |
4709 | } | |
4710 | ||
c01fc9ad SD |
4711 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4712 | struct station_parameters *params) | |
4713 | { | |
4714 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4715 | params->supported_channels = | |
4716 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4717 | params->supported_channels_len = | |
4718 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4719 | /* | |
4720 | * Need to include at least one (first channel, number of | |
4721 | * channels) tuple for each subband, and must have proper | |
4722 | * tuples for the rest of the data as well. | |
4723 | */ | |
4724 | if (params->supported_channels_len < 2) | |
4725 | return -EINVAL; | |
4726 | if (params->supported_channels_len % 2) | |
4727 | return -EINVAL; | |
4728 | } | |
4729 | ||
4730 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4731 | params->supported_oper_classes = | |
4732 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4733 | params->supported_oper_classes_len = | |
4734 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4735 | /* | |
4736 | * The value of the Length field of the Supported Operating | |
4737 | * Classes element is between 2 and 253. | |
4738 | */ | |
4739 | if (params->supported_oper_classes_len < 2 || | |
4740 | params->supported_oper_classes_len > 253) | |
4741 | return -EINVAL; | |
4742 | } | |
4743 | return 0; | |
4744 | } | |
4745 | ||
ff276691 JB |
4746 | static int nl80211_set_station_tdls(struct genl_info *info, |
4747 | struct station_parameters *params) | |
4748 | { | |
c01fc9ad | 4749 | int err; |
ff276691 | 4750 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4751 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4752 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4753 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4754 | params->ht_capa = | |
4755 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4756 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4757 | params->vht_capa = | |
4758 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4759 | ||
c01fc9ad SD |
4760 | err = nl80211_parse_sta_channel_info(info, params); |
4761 | if (err) | |
4762 | return err; | |
4763 | ||
ff276691 JB |
4764 | return nl80211_parse_sta_wme(info, params); |
4765 | } | |
4766 | ||
5727ef1b JB |
4767 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4768 | { | |
4c476991 | 4769 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4770 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4771 | struct station_parameters params; |
77ee7c89 JB |
4772 | u8 *mac_addr; |
4773 | int err; | |
5727ef1b JB |
4774 | |
4775 | memset(¶ms, 0, sizeof(params)); | |
4776 | ||
77ee7c89 JB |
4777 | if (!rdev->ops->change_station) |
4778 | return -EOPNOTSUPP; | |
4779 | ||
e4208427 AB |
4780 | /* |
4781 | * AID and listen_interval properties can be set only for unassociated | |
4782 | * station. Include these parameters here and will check them in | |
4783 | * cfg80211_check_station_change(). | |
4784 | */ | |
a9bc31e4 AB |
4785 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4786 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
e4208427 AB |
4787 | |
4788 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
4789 | params.listen_interval = | |
4790 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
4791 | else | |
4792 | params.listen_interval = -1; | |
5727ef1b | 4793 | |
17b94247 AB |
4794 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4795 | u8 tmp; | |
4796 | ||
4797 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4798 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4799 | return -EINVAL; | |
4800 | ||
4801 | params.support_p2p_ps = tmp; | |
4802 | } else { | |
4803 | params.support_p2p_ps = -1; | |
4804 | } | |
4805 | ||
5727ef1b JB |
4806 | if (!info->attrs[NL80211_ATTR_MAC]) |
4807 | return -EINVAL; | |
4808 | ||
4809 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4810 | ||
4811 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4812 | params.supported_rates = | |
4813 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4814 | params.supported_rates_len = | |
4815 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4816 | } | |
4817 | ||
9d62a986 JM |
4818 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4819 | params.capability = | |
4820 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4821 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4822 | } | |
4823 | ||
4824 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4825 | params.ext_capab = | |
4826 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4827 | params.ext_capab_len = | |
4828 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4829 | } | |
4830 | ||
bdd3ae3d | 4831 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4832 | return -EINVAL; |
4833 | ||
f8bacc21 | 4834 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4835 | params.plink_action = |
f8bacc21 JB |
4836 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4837 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4838 | return -EINVAL; | |
4839 | } | |
2ec600d6 | 4840 | |
f8bacc21 | 4841 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4842 | params.plink_state = |
f8bacc21 JB |
4843 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4844 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4845 | return -EINVAL; | |
7d27a0ba MH |
4846 | if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) { |
4847 | params.peer_aid = nla_get_u16( | |
4848 | info->attrs[NL80211_ATTR_MESH_PEER_AID]); | |
4849 | if (params.peer_aid > IEEE80211_MAX_AID) | |
4850 | return -EINVAL; | |
4851 | } | |
f8bacc21 JB |
4852 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; |
4853 | } | |
9c3990aa | 4854 | |
3b1c5a53 MP |
4855 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4856 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4857 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4858 | ||
4859 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4860 | pm > NL80211_MESH_POWER_MAX) | |
4861 | return -EINVAL; | |
4862 | ||
4863 | params.local_pm = pm; | |
4864 | } | |
4865 | ||
06f7c88c BL |
4866 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4867 | params.opmode_notif_used = true; | |
4868 | params.opmode_notif = | |
4869 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4870 | } | |
4871 | ||
77ee7c89 JB |
4872 | /* Include parameters for TDLS peer (will check later) */ |
4873 | err = nl80211_set_station_tdls(info, ¶ms); | |
4874 | if (err) | |
4875 | return err; | |
4876 | ||
4877 | params.vlan = get_vlan(info, rdev); | |
4878 | if (IS_ERR(params.vlan)) | |
4879 | return PTR_ERR(params.vlan); | |
4880 | ||
a97f4424 JB |
4881 | switch (dev->ieee80211_ptr->iftype) { |
4882 | case NL80211_IFTYPE_AP: | |
4883 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4884 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4885 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4886 | case NL80211_IFTYPE_STATION: |
267335d6 | 4887 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4888 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4889 | break; |
4890 | default: | |
77ee7c89 JB |
4891 | err = -EOPNOTSUPP; |
4892 | goto out_put_vlan; | |
034d655e JB |
4893 | } |
4894 | ||
77ee7c89 | 4895 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4896 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4897 | |
77ee7c89 | 4898 | out_put_vlan: |
5727ef1b JB |
4899 | if (params.vlan) |
4900 | dev_put(params.vlan); | |
3b85875a | 4901 | |
5727ef1b JB |
4902 | return err; |
4903 | } | |
4904 | ||
4905 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4906 | { | |
4c476991 | 4907 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4908 | int err; |
4c476991 | 4909 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4910 | struct station_parameters params; |
4911 | u8 *mac_addr = NULL; | |
bda95eb1 JB |
4912 | u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
4913 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
5727ef1b JB |
4914 | |
4915 | memset(¶ms, 0, sizeof(params)); | |
4916 | ||
984c311b JB |
4917 | if (!rdev->ops->add_station) |
4918 | return -EOPNOTSUPP; | |
4919 | ||
5727ef1b JB |
4920 | if (!info->attrs[NL80211_ATTR_MAC]) |
4921 | return -EINVAL; | |
4922 | ||
5727ef1b JB |
4923 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4924 | return -EINVAL; | |
4925 | ||
4926 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4927 | return -EINVAL; | |
4928 | ||
5e4b6f56 JM |
4929 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4930 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4931 | return -EINVAL; |
4932 | ||
5727ef1b JB |
4933 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4934 | params.supported_rates = | |
4935 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4936 | params.supported_rates_len = | |
4937 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4938 | params.listen_interval = | |
4939 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4940 | |
17b94247 AB |
4941 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4942 | u8 tmp; | |
4943 | ||
4944 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4945 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4946 | return -EINVAL; | |
4947 | ||
4948 | params.support_p2p_ps = tmp; | |
4949 | } else { | |
4950 | /* | |
4951 | * if not specified, assume it's supported for P2P GO interface, | |
4952 | * and is NOT supported for AP interface | |
4953 | */ | |
4954 | params.support_p2p_ps = | |
4955 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO; | |
4956 | } | |
4957 | ||
3d124ea2 | 4958 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4959 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4960 | else |
4961 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4962 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4963 | return -EINVAL; | |
51b50fbe | 4964 | |
9d62a986 JM |
4965 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4966 | params.capability = | |
4967 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4968 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4969 | } | |
4970 | ||
4971 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4972 | params.ext_capab = | |
4973 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4974 | params.ext_capab_len = | |
4975 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4976 | } | |
4977 | ||
36aedc90 JM |
4978 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4979 | params.ht_capa = | |
4980 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4981 | |
f461be3e MP |
4982 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4983 | params.vht_capa = | |
4984 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4985 | ||
60f4a7b1 MK |
4986 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4987 | params.opmode_notif_used = true; | |
4988 | params.opmode_notif = | |
4989 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4990 | } | |
4991 | ||
f8bacc21 | 4992 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4993 | params.plink_action = |
f8bacc21 JB |
4994 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4995 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4996 | return -EINVAL; | |
4997 | } | |
96b78dff | 4998 | |
c01fc9ad SD |
4999 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
5000 | if (err) | |
5001 | return err; | |
5002 | ||
ff276691 JB |
5003 | err = nl80211_parse_sta_wme(info, ¶ms); |
5004 | if (err) | |
5005 | return err; | |
bdd90d5e | 5006 | |
bdd3ae3d | 5007 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
5008 | return -EINVAL; |
5009 | ||
496fcc29 JB |
5010 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
5011 | * as userspace might just pass through the capabilities from the IEs | |
5012 | * directly, rather than enforcing this restriction and returning an | |
5013 | * error in this case. | |
5014 | */ | |
5015 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
5016 | params.ht_capa = NULL; | |
5017 | params.vht_capa = NULL; | |
5018 | } | |
5019 | ||
77ee7c89 JB |
5020 | /* When you run into this, adjust the code below for the new flag */ |
5021 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
5022 | ||
bdd90d5e JB |
5023 | switch (dev->ieee80211_ptr->iftype) { |
5024 | case NL80211_IFTYPE_AP: | |
5025 | case NL80211_IFTYPE_AP_VLAN: | |
5026 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
5027 | /* ignore WME attributes if iface/sta is not capable */ |
5028 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
5029 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
5030 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 5031 | |
bdd90d5e | 5032 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5033 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5034 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 5035 | return -EINVAL; |
bdd90d5e JB |
5036 | /* but don't bother the driver with it */ |
5037 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 5038 | |
d582cffb JB |
5039 | /* allow authenticated/associated only if driver handles it */ |
5040 | if (!(rdev->wiphy.features & | |
5041 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
bda95eb1 | 5042 | params.sta_flags_mask & auth_assoc) |
d582cffb JB |
5043 | return -EINVAL; |
5044 | ||
bda95eb1 JB |
5045 | /* Older userspace, or userspace wanting to be compatible with |
5046 | * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth | |
5047 | * and assoc flags in the mask, but assumes the station will be | |
5048 | * added as associated anyway since this was the required driver | |
5049 | * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was | |
5050 | * introduced. | |
5051 | * In order to not bother drivers with this quirk in the API | |
5052 | * set the flags in both the mask and set for new stations in | |
5053 | * this case. | |
5054 | */ | |
5055 | if (!(params.sta_flags_mask & auth_assoc)) { | |
5056 | params.sta_flags_mask |= auth_assoc; | |
5057 | params.sta_flags_set |= auth_assoc; | |
5058 | } | |
5059 | ||
bdd90d5e JB |
5060 | /* must be last in here for error handling */ |
5061 | params.vlan = get_vlan(info, rdev); | |
5062 | if (IS_ERR(params.vlan)) | |
5063 | return PTR_ERR(params.vlan); | |
5064 | break; | |
5065 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
5066 | /* ignore uAPSD data */ |
5067 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5068 | ||
d582cffb JB |
5069 | /* associated is disallowed */ |
5070 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
5071 | return -EINVAL; | |
bdd90d5e | 5072 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5073 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5074 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
5075 | return -EINVAL; |
5076 | break; | |
5077 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 5078 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
5079 | /* ignore uAPSD data */ |
5080 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5081 | ||
77ee7c89 JB |
5082 | /* these are disallowed */ |
5083 | if (params.sta_flags_mask & | |
5084 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
5085 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 5086 | return -EINVAL; |
bdd90d5e JB |
5087 | /* Only TDLS peers can be added */ |
5088 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
5089 | return -EINVAL; | |
5090 | /* Can only add if TDLS ... */ | |
5091 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
5092 | return -EOPNOTSUPP; | |
5093 | /* ... with external setup is supported */ | |
5094 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
5095 | return -EOPNOTSUPP; | |
77ee7c89 JB |
5096 | /* |
5097 | * Older wpa_supplicant versions always mark the TDLS peer | |
5098 | * as authorized, but it shouldn't yet be. | |
5099 | */ | |
5100 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
5101 | break; |
5102 | default: | |
5103 | return -EOPNOTSUPP; | |
c75786c9 EP |
5104 | } |
5105 | ||
bdd90d5e | 5106 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 5107 | |
e35e4d28 | 5108 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 5109 | |
5727ef1b JB |
5110 | if (params.vlan) |
5111 | dev_put(params.vlan); | |
5727ef1b JB |
5112 | return err; |
5113 | } | |
5114 | ||
5115 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
5116 | { | |
4c476991 JB |
5117 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5118 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
5119 | struct station_del_parameters params; |
5120 | ||
5121 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
5122 | |
5123 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 5124 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 5125 | |
e80cf853 | 5126 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 5127 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 5128 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5129 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5130 | return -EINVAL; | |
5727ef1b | 5131 | |
4c476991 JB |
5132 | if (!rdev->ops->del_station) |
5133 | return -EOPNOTSUPP; | |
3b85875a | 5134 | |
98856866 JM |
5135 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
5136 | params.subtype = | |
5137 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
5138 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
5139 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
5140 | return -EINVAL; | |
5141 | } else { | |
5142 | /* Default to Deauthentication frame */ | |
5143 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
5144 | } | |
5145 | ||
5146 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
5147 | params.reason_code = | |
5148 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
5149 | if (params.reason_code == 0) | |
5150 | return -EINVAL; /* 0 is reserved */ | |
5151 | } else { | |
5152 | /* Default to reason code 2 */ | |
5153 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
5154 | } | |
5155 | ||
89c771e5 | 5156 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
5157 | } |
5158 | ||
15e47304 | 5159 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
5160 | int flags, struct net_device *dev, |
5161 | u8 *dst, u8 *next_hop, | |
5162 | struct mpath_info *pinfo) | |
5163 | { | |
5164 | void *hdr; | |
5165 | struct nlattr *pinfoattr; | |
5166 | ||
1ef4c850 | 5167 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
5168 | if (!hdr) |
5169 | return -1; | |
5170 | ||
9360ffd1 DM |
5171 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5172 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
5173 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
5174 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
5175 | goto nla_put_failure; | |
f5ea9120 | 5176 | |
2ec600d6 LCC |
5177 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
5178 | if (!pinfoattr) | |
5179 | goto nla_put_failure; | |
9360ffd1 DM |
5180 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
5181 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
5182 | pinfo->frame_qlen)) | |
5183 | goto nla_put_failure; | |
5184 | if (((pinfo->filled & MPATH_INFO_SN) && | |
5185 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
5186 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
5187 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
5188 | pinfo->metric)) || | |
5189 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
5190 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
5191 | pinfo->exptime)) || | |
5192 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
5193 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
5194 | pinfo->flags)) || | |
5195 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
5196 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
5197 | pinfo->discovery_timeout)) || | |
5198 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
5199 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
5200 | pinfo->discovery_retries))) | |
5201 | goto nla_put_failure; | |
2ec600d6 LCC |
5202 | |
5203 | nla_nest_end(msg, pinfoattr); | |
5204 | ||
053c095a JB |
5205 | genlmsg_end(msg, hdr); |
5206 | return 0; | |
2ec600d6 LCC |
5207 | |
5208 | nla_put_failure: | |
bc3ed28c TG |
5209 | genlmsg_cancel(msg, hdr); |
5210 | return -EMSGSIZE; | |
2ec600d6 LCC |
5211 | } |
5212 | ||
5213 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 5214 | struct netlink_callback *cb) |
2ec600d6 | 5215 | { |
2ec600d6 | 5216 | struct mpath_info pinfo; |
1b8ec87a | 5217 | struct cfg80211_registered_device *rdev; |
97990a06 | 5218 | struct wireless_dev *wdev; |
2ec600d6 LCC |
5219 | u8 dst[ETH_ALEN]; |
5220 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 5221 | int path_idx = cb->args[2]; |
2ec600d6 | 5222 | int err; |
2ec600d6 | 5223 | |
1b8ec87a | 5224 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5225 | if (err) |
5226 | return err; | |
bba95fef | 5227 | |
1b8ec87a | 5228 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 5229 | err = -EOPNOTSUPP; |
bba95fef JB |
5230 | goto out_err; |
5231 | } | |
5232 | ||
97990a06 | 5233 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 5234 | err = -EOPNOTSUPP; |
0448b5fc | 5235 | goto out_err; |
eec60b03 JM |
5236 | } |
5237 | ||
bba95fef | 5238 | while (1) { |
1b8ec87a | 5239 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 5240 | next_hop, &pinfo); |
bba95fef | 5241 | if (err == -ENOENT) |
2ec600d6 | 5242 | break; |
bba95fef | 5243 | if (err) |
3b85875a | 5244 | goto out_err; |
2ec600d6 | 5245 | |
15e47304 | 5246 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 5247 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 5248 | wdev->netdev, dst, next_hop, |
bba95fef JB |
5249 | &pinfo) < 0) |
5250 | goto out; | |
2ec600d6 | 5251 | |
bba95fef | 5252 | path_idx++; |
2ec600d6 | 5253 | } |
2ec600d6 | 5254 | |
bba95fef | 5255 | out: |
97990a06 | 5256 | cb->args[2] = path_idx; |
bba95fef | 5257 | err = skb->len; |
bba95fef | 5258 | out_err: |
1b8ec87a | 5259 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 5260 | return err; |
2ec600d6 LCC |
5261 | } |
5262 | ||
5263 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
5264 | { | |
4c476991 | 5265 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 5266 | int err; |
4c476991 | 5267 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
5268 | struct mpath_info pinfo; |
5269 | struct sk_buff *msg; | |
5270 | u8 *dst = NULL; | |
5271 | u8 next_hop[ETH_ALEN]; | |
5272 | ||
5273 | memset(&pinfo, 0, sizeof(pinfo)); | |
5274 | ||
5275 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5276 | return -EINVAL; | |
5277 | ||
5278 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5279 | ||
4c476991 JB |
5280 | if (!rdev->ops->get_mpath) |
5281 | return -EOPNOTSUPP; | |
2ec600d6 | 5282 | |
4c476991 JB |
5283 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5284 | return -EOPNOTSUPP; | |
eec60b03 | 5285 | |
e35e4d28 | 5286 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 5287 | if (err) |
4c476991 | 5288 | return err; |
2ec600d6 | 5289 | |
fd2120ca | 5290 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 5291 | if (!msg) |
4c476991 | 5292 | return -ENOMEM; |
2ec600d6 | 5293 | |
15e47304 | 5294 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
5295 | dev, dst, next_hop, &pinfo) < 0) { |
5296 | nlmsg_free(msg); | |
5297 | return -ENOBUFS; | |
5298 | } | |
3b85875a | 5299 | |
4c476991 | 5300 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
5301 | } |
5302 | ||
5303 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
5304 | { | |
4c476991 JB |
5305 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5306 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5307 | u8 *dst = NULL; |
5308 | u8 *next_hop = NULL; | |
5309 | ||
5310 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5311 | return -EINVAL; | |
5312 | ||
5313 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5314 | return -EINVAL; | |
5315 | ||
5316 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5317 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5318 | ||
4c476991 JB |
5319 | if (!rdev->ops->change_mpath) |
5320 | return -EOPNOTSUPP; | |
35a8efe1 | 5321 | |
4c476991 JB |
5322 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5323 | return -EOPNOTSUPP; | |
2ec600d6 | 5324 | |
e35e4d28 | 5325 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 5326 | } |
4c476991 | 5327 | |
2ec600d6 LCC |
5328 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
5329 | { | |
4c476991 JB |
5330 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5331 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5332 | u8 *dst = NULL; |
5333 | u8 *next_hop = NULL; | |
5334 | ||
5335 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5336 | return -EINVAL; | |
5337 | ||
5338 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5339 | return -EINVAL; | |
5340 | ||
5341 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5342 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5343 | ||
4c476991 JB |
5344 | if (!rdev->ops->add_mpath) |
5345 | return -EOPNOTSUPP; | |
35a8efe1 | 5346 | |
4c476991 JB |
5347 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5348 | return -EOPNOTSUPP; | |
2ec600d6 | 5349 | |
e35e4d28 | 5350 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
5351 | } |
5352 | ||
5353 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
5354 | { | |
4c476991 JB |
5355 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5356 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5357 | u8 *dst = NULL; |
5358 | ||
5359 | if (info->attrs[NL80211_ATTR_MAC]) | |
5360 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5361 | ||
4c476991 JB |
5362 | if (!rdev->ops->del_mpath) |
5363 | return -EOPNOTSUPP; | |
3b85875a | 5364 | |
e35e4d28 | 5365 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
5366 | } |
5367 | ||
66be7d2b HR |
5368 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
5369 | { | |
5370 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5371 | int err; | |
5372 | struct net_device *dev = info->user_ptr[1]; | |
5373 | struct mpath_info pinfo; | |
5374 | struct sk_buff *msg; | |
5375 | u8 *dst = NULL; | |
5376 | u8 mpp[ETH_ALEN]; | |
5377 | ||
5378 | memset(&pinfo, 0, sizeof(pinfo)); | |
5379 | ||
5380 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5381 | return -EINVAL; | |
5382 | ||
5383 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5384 | ||
5385 | if (!rdev->ops->get_mpp) | |
5386 | return -EOPNOTSUPP; | |
5387 | ||
5388 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
5389 | return -EOPNOTSUPP; | |
5390 | ||
5391 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
5392 | if (err) | |
5393 | return err; | |
5394 | ||
5395 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5396 | if (!msg) | |
5397 | return -ENOMEM; | |
5398 | ||
5399 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
5400 | dev, dst, mpp, &pinfo) < 0) { | |
5401 | nlmsg_free(msg); | |
5402 | return -ENOBUFS; | |
5403 | } | |
5404 | ||
5405 | return genlmsg_reply(msg, info); | |
5406 | } | |
5407 | ||
5408 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
5409 | struct netlink_callback *cb) | |
5410 | { | |
5411 | struct mpath_info pinfo; | |
5412 | struct cfg80211_registered_device *rdev; | |
5413 | struct wireless_dev *wdev; | |
5414 | u8 dst[ETH_ALEN]; | |
5415 | u8 mpp[ETH_ALEN]; | |
5416 | int path_idx = cb->args[2]; | |
5417 | int err; | |
5418 | ||
5419 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); | |
5420 | if (err) | |
5421 | return err; | |
5422 | ||
5423 | if (!rdev->ops->dump_mpp) { | |
5424 | err = -EOPNOTSUPP; | |
5425 | goto out_err; | |
5426 | } | |
5427 | ||
5428 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
5429 | err = -EOPNOTSUPP; | |
5430 | goto out_err; | |
5431 | } | |
5432 | ||
5433 | while (1) { | |
5434 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
5435 | mpp, &pinfo); | |
5436 | if (err == -ENOENT) | |
5437 | break; | |
5438 | if (err) | |
5439 | goto out_err; | |
5440 | ||
5441 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
5442 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
5443 | wdev->netdev, dst, mpp, | |
5444 | &pinfo) < 0) | |
5445 | goto out; | |
5446 | ||
5447 | path_idx++; | |
5448 | } | |
5449 | ||
5450 | out: | |
5451 | cb->args[2] = path_idx; | |
5452 | err = skb->len; | |
5453 | out_err: | |
5454 | nl80211_finish_wdev_dump(rdev); | |
5455 | return err; | |
5456 | } | |
5457 | ||
9f1ba906 JM |
5458 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
5459 | { | |
4c476991 JB |
5460 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5461 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 5462 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 5463 | struct bss_parameters params; |
c56589ed | 5464 | int err; |
9f1ba906 JM |
5465 | |
5466 | memset(¶ms, 0, sizeof(params)); | |
5467 | /* default to not changing parameters */ | |
5468 | params.use_cts_prot = -1; | |
5469 | params.use_short_preamble = -1; | |
5470 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 5471 | params.ap_isolate = -1; |
50b12f59 | 5472 | params.ht_opmode = -1; |
53cabad7 JB |
5473 | params.p2p_ctwindow = -1; |
5474 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
5475 | |
5476 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
5477 | params.use_cts_prot = | |
5478 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
5479 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
5480 | params.use_short_preamble = | |
5481 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
5482 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
5483 | params.use_short_slot_time = | |
5484 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
5485 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
5486 | params.basic_rates = | |
5487 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5488 | params.basic_rates_len = | |
5489 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5490 | } | |
fd8aaaf3 FF |
5491 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
5492 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
5493 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
5494 | params.ht_opmode = | |
5495 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 5496 | |
53cabad7 JB |
5497 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
5498 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5499 | return -EINVAL; | |
5500 | params.p2p_ctwindow = | |
5501 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
5502 | if (params.p2p_ctwindow < 0) | |
5503 | return -EINVAL; | |
5504 | if (params.p2p_ctwindow != 0 && | |
5505 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
5506 | return -EINVAL; | |
5507 | } | |
5508 | ||
5509 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
5510 | u8 tmp; | |
5511 | ||
5512 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5513 | return -EINVAL; | |
5514 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
5515 | if (tmp > 1) | |
5516 | return -EINVAL; | |
5517 | params.p2p_opp_ps = tmp; | |
5518 | if (params.p2p_opp_ps && | |
5519 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
5520 | return -EINVAL; | |
5521 | } | |
5522 | ||
4c476991 JB |
5523 | if (!rdev->ops->change_bss) |
5524 | return -EOPNOTSUPP; | |
9f1ba906 | 5525 | |
074ac8df | 5526 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
5527 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5528 | return -EOPNOTSUPP; | |
3b85875a | 5529 | |
c56589ed SW |
5530 | wdev_lock(wdev); |
5531 | err = rdev_change_bss(rdev, dev, ¶ms); | |
5532 | wdev_unlock(wdev); | |
5533 | ||
5534 | return err; | |
9f1ba906 JM |
5535 | } |
5536 | ||
b2e1b302 LR |
5537 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
5538 | { | |
b2e1b302 | 5539 | char *data = NULL; |
05050753 | 5540 | bool is_indoor; |
57b5ce07 | 5541 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
5542 | u32 owner_nlportid; |
5543 | ||
80778f18 LR |
5544 | /* |
5545 | * You should only get this when cfg80211 hasn't yet initialized | |
5546 | * completely when built-in to the kernel right between the time | |
5547 | * window between nl80211_init() and regulatory_init(), if that is | |
5548 | * even possible. | |
5549 | */ | |
458f4f9e | 5550 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 5551 | return -EINPROGRESS; |
80778f18 | 5552 | |
57b5ce07 LR |
5553 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
5554 | user_reg_hint_type = | |
5555 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
5556 | else | |
5557 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
5558 | ||
5559 | switch (user_reg_hint_type) { | |
5560 | case NL80211_USER_REG_HINT_USER: | |
5561 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
5562 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
5563 | return -EINVAL; | |
5564 | ||
5565 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5566 | return regulatory_hint_user(data, user_reg_hint_type); | |
5567 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
5568 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
5569 | owner_nlportid = info->snd_portid; | |
5570 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
5571 | } else { | |
5572 | owner_nlportid = 0; | |
5573 | is_indoor = true; | |
5574 | } | |
5575 | ||
5576 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
5577 | default: |
5578 | return -EINVAL; | |
5579 | } | |
b2e1b302 LR |
5580 | } |
5581 | ||
24bdd9f4 | 5582 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 5583 | struct genl_info *info) |
93da9cc1 | 5584 | { |
4c476991 | 5585 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5586 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
5587 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5588 | struct mesh_config cur_params; | |
5589 | int err = 0; | |
93da9cc1 | 5590 | void *hdr; |
5591 | struct nlattr *pinfoattr; | |
5592 | struct sk_buff *msg; | |
5593 | ||
29cbe68c JB |
5594 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5595 | return -EOPNOTSUPP; | |
5596 | ||
24bdd9f4 | 5597 | if (!rdev->ops->get_mesh_config) |
4c476991 | 5598 | return -EOPNOTSUPP; |
f3f92586 | 5599 | |
29cbe68c JB |
5600 | wdev_lock(wdev); |
5601 | /* If not connected, get default parameters */ | |
5602 | if (!wdev->mesh_id_len) | |
5603 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
5604 | else | |
e35e4d28 | 5605 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
5606 | wdev_unlock(wdev); |
5607 | ||
93da9cc1 | 5608 | if (err) |
4c476991 | 5609 | return err; |
93da9cc1 | 5610 | |
5611 | /* Draw up a netlink message to send back */ | |
fd2120ca | 5612 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
5613 | if (!msg) |
5614 | return -ENOMEM; | |
15e47304 | 5615 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 5616 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 5617 | if (!hdr) |
efe1cf0c | 5618 | goto out; |
24bdd9f4 | 5619 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 5620 | if (!pinfoattr) |
5621 | goto nla_put_failure; | |
9360ffd1 DM |
5622 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5623 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
5624 | cur_params.dot11MeshRetryTimeout) || | |
5625 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
5626 | cur_params.dot11MeshConfirmTimeout) || | |
5627 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
5628 | cur_params.dot11MeshHoldingTimeout) || | |
5629 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5630 | cur_params.dot11MeshMaxPeerLinks) || | |
5631 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5632 | cur_params.dot11MeshMaxRetries) || | |
5633 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5634 | cur_params.dot11MeshTTL) || | |
5635 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5636 | cur_params.element_ttl) || | |
5637 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5638 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5639 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5640 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5641 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5642 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5643 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5644 | cur_params.path_refresh_time) || | |
5645 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5646 | cur_params.min_discovery_timeout) || | |
5647 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5648 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5649 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5650 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5651 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5652 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5653 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5654 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5655 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5656 | cur_params.dot11MeshHWMPRootMode) || | |
5657 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5658 | cur_params.dot11MeshHWMPRannInterval) || | |
5659 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5660 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5661 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5662 | cur_params.dot11MeshForwarding) || | |
5663 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
5664 | cur_params.rssi_threshold) || |
5665 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5666 | cur_params.ht_opmode) || |
5667 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5668 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5669 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5670 | cur_params.dot11MeshHWMProotInterval) || |
5671 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5672 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5673 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5674 | cur_params.power_mode) || | |
5675 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5676 | cur_params.dot11MeshAwakeWindowDuration) || |
5677 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5678 | cur_params.plink_timeout)) | |
9360ffd1 | 5679 | goto nla_put_failure; |
93da9cc1 | 5680 | nla_nest_end(msg, pinfoattr); |
5681 | genlmsg_end(msg, hdr); | |
4c476991 | 5682 | return genlmsg_reply(msg, info); |
93da9cc1 | 5683 | |
3b85875a | 5684 | nla_put_failure: |
93da9cc1 | 5685 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5686 | out: |
d080e275 | 5687 | nlmsg_free(msg); |
4c476991 | 5688 | return -ENOBUFS; |
93da9cc1 | 5689 | } |
5690 | ||
b54452b0 | 5691 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5692 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5693 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5694 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5695 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5696 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5697 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5698 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5699 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5700 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5701 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5702 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5703 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5704 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5705 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5706 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5707 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5708 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5709 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5710 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5711 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5712 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5713 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5714 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5715 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5716 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5717 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5718 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5719 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5720 | }; |
5721 | ||
c80d545d JC |
5722 | static const struct nla_policy |
5723 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5724 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5725 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5726 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5727 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5728 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5729 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5730 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5731 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5732 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5733 | }; |
5734 | ||
f151d9db AB |
5735 | static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out) |
5736 | { | |
5737 | u8 val = nla_get_u8(nla); | |
5738 | if (val < min || val > max) | |
5739 | return -EINVAL; | |
5740 | *out = val; | |
5741 | return 0; | |
5742 | } | |
5743 | ||
5744 | static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out) | |
5745 | { | |
5746 | u8 val = nla_get_u8(nla); | |
5747 | if (val < min || val > max) | |
5748 | return -EINVAL; | |
5749 | *out = val; | |
5750 | return 0; | |
5751 | } | |
5752 | ||
5753 | static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out) | |
5754 | { | |
5755 | u16 val = nla_get_u16(nla); | |
5756 | if (val < min || val > max) | |
5757 | return -EINVAL; | |
5758 | *out = val; | |
5759 | return 0; | |
5760 | } | |
5761 | ||
5762 | static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out) | |
5763 | { | |
5764 | u32 val = nla_get_u32(nla); | |
5765 | if (val < min || val > max) | |
5766 | return -EINVAL; | |
5767 | *out = val; | |
5768 | return 0; | |
5769 | } | |
5770 | ||
5771 | static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out) | |
5772 | { | |
5773 | s32 val = nla_get_s32(nla); | |
5774 | if (val < min || val > max) | |
5775 | return -EINVAL; | |
5776 | *out = val; | |
5777 | return 0; | |
5778 | } | |
5779 | ||
ff9a71af JB |
5780 | static int nl80211_check_power_mode(const struct nlattr *nla, |
5781 | enum nl80211_mesh_power_mode min, | |
5782 | enum nl80211_mesh_power_mode max, | |
5783 | enum nl80211_mesh_power_mode *out) | |
5784 | { | |
5785 | u32 val = nla_get_u32(nla); | |
5786 | if (val < min || val > max) | |
5787 | return -EINVAL; | |
5788 | *out = val; | |
5789 | return 0; | |
5790 | } | |
5791 | ||
24bdd9f4 | 5792 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5793 | struct mesh_config *cfg, |
5794 | u32 *mask_out) | |
93da9cc1 | 5795 | { |
93da9cc1 | 5796 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5797 | u32 mask = 0; |
9757235f | 5798 | u16 ht_opmode; |
93da9cc1 | 5799 | |
ea54fba2 MP |
5800 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5801 | do { \ | |
5802 | if (tb[attr]) { \ | |
f151d9db | 5803 | if (fn(tb[attr], min, max, &cfg->param)) \ |
ea54fba2 | 5804 | return -EINVAL; \ |
ea54fba2 MP |
5805 | mask |= (1 << (attr - 1)); \ |
5806 | } \ | |
5807 | } while (0) | |
bd90fdcc | 5808 | |
24bdd9f4 | 5809 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5810 | return -EINVAL; |
5811 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5812 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 5813 | nl80211_meshconf_params_policy)) |
93da9cc1 | 5814 | return -EINVAL; |
5815 | ||
93da9cc1 | 5816 | /* This makes sure that there aren't more than 32 mesh config |
5817 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5818 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5819 | ||
5820 | /* Fill in the params struct */ | |
ea54fba2 | 5821 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea | 5822 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
f151d9db | 5823 | nl80211_check_u16); |
ea54fba2 | 5824 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea | 5825 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
f151d9db | 5826 | nl80211_check_u16); |
ea54fba2 | 5827 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea | 5828 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
f151d9db | 5829 | nl80211_check_u16); |
ea54fba2 | 5830 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea | 5831 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
f151d9db | 5832 | nl80211_check_u16); |
ea54fba2 | 5833 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea | 5834 | mask, NL80211_MESHCONF_MAX_RETRIES, |
f151d9db | 5835 | nl80211_check_u8); |
ea54fba2 | 5836 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
f151d9db | 5837 | mask, NL80211_MESHCONF_TTL, nl80211_check_u8); |
ea54fba2 | 5838 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea | 5839 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
f151d9db | 5840 | nl80211_check_u8); |
ea54fba2 | 5841 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea | 5842 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
f151d9db | 5843 | nl80211_check_bool); |
ea54fba2 MP |
5844 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5845 | 1, 255, mask, | |
a4f606ea | 5846 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
f151d9db | 5847 | nl80211_check_u32); |
ea54fba2 | 5848 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea | 5849 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
f151d9db | 5850 | nl80211_check_u8); |
ea54fba2 | 5851 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea | 5852 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
f151d9db | 5853 | nl80211_check_u32); |
ea54fba2 | 5854 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea | 5855 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
f151d9db | 5856 | nl80211_check_u16); |
ea54fba2 MP |
5857 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5858 | 1, 65535, mask, | |
a4f606ea | 5859 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
f151d9db | 5860 | nl80211_check_u32); |
93da9cc1 | 5861 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5862 | 1, 65535, mask, |
5863 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
f151d9db | 5864 | nl80211_check_u16); |
dca7e943 | 5865 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5866 | 1, 65535, mask, |
5867 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
f151d9db | 5868 | nl80211_check_u16); |
93da9cc1 | 5869 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5870 | dot11MeshHWMPnetDiameterTraversalTime, |
5871 | 1, 65535, mask, | |
a4f606ea | 5872 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
f151d9db | 5873 | nl80211_check_u16); |
ea54fba2 MP |
5874 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5875 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
f151d9db | 5876 | nl80211_check_u8); |
ea54fba2 MP |
5877 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, |
5878 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
f151d9db | 5879 | nl80211_check_u16); |
63c5723b | 5880 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5881 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5882 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
f151d9db | 5883 | nl80211_check_bool); |
ea54fba2 | 5884 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea | 5885 | mask, NL80211_MESHCONF_FORWARDING, |
f151d9db | 5886 | nl80211_check_bool); |
83374fe9 | 5887 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5888 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
f151d9db | 5889 | nl80211_check_s32); |
9757235f MH |
5890 | /* |
5891 | * Check HT operation mode based on | |
5892 | * IEEE 802.11 2012 8.4.2.59 HT Operation element. | |
5893 | */ | |
5894 | if (tb[NL80211_MESHCONF_HT_OPMODE]) { | |
5895 | ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); | |
5896 | ||
5897 | if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | | |
5898 | IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | | |
5899 | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5900 | return -EINVAL; | |
5901 | ||
5902 | if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && | |
5903 | (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5904 | return -EINVAL; | |
5905 | ||
5906 | switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) { | |
5907 | case IEEE80211_HT_OP_MODE_PROTECTION_NONE: | |
5908 | case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: | |
5909 | if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) | |
5910 | return -EINVAL; | |
5911 | break; | |
5912 | case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: | |
5913 | case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: | |
5914 | if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5915 | return -EINVAL; | |
5916 | break; | |
5917 | } | |
5918 | cfg->ht_opmode = ht_opmode; | |
5919 | } | |
ac1073a6 | 5920 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, |
ea54fba2 | 5921 | 1, 65535, mask, |
ac1073a6 | 5922 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
f151d9db | 5923 | nl80211_check_u32); |
ea54fba2 | 5924 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5925 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
f151d9db | 5926 | nl80211_check_u16); |
728b19e5 | 5927 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5928 | dot11MeshHWMPconfirmationInterval, |
5929 | 1, 65535, mask, | |
728b19e5 | 5930 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
f151d9db | 5931 | nl80211_check_u16); |
3b1c5a53 MP |
5932 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5933 | NL80211_MESH_POWER_ACTIVE, | |
5934 | NL80211_MESH_POWER_MAX, | |
5935 | mask, NL80211_MESHCONF_POWER_MODE, | |
ff9a71af | 5936 | nl80211_check_power_mode); |
3b1c5a53 MP |
5937 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, |
5938 | 0, 65535, mask, | |
f151d9db | 5939 | NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16); |
31f909a2 | 5940 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff, |
8e7c0538 | 5941 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, |
f151d9db | 5942 | nl80211_check_u32); |
bd90fdcc JB |
5943 | if (mask_out) |
5944 | *mask_out = mask; | |
c80d545d | 5945 | |
bd90fdcc JB |
5946 | return 0; |
5947 | ||
5948 | #undef FILL_IN_MESH_PARAM_IF_SET | |
5949 | } | |
5950 | ||
c80d545d JC |
5951 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
5952 | struct mesh_setup *setup) | |
5953 | { | |
bb2798d4 | 5954 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
5955 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
5956 | ||
5957 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
5958 | return -EINVAL; | |
5959 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
5960 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
5961 | nl80211_mesh_setup_params_policy)) | |
5962 | return -EINVAL; | |
5963 | ||
d299a1f2 JC |
5964 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
5965 | setup->sync_method = | |
5966 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
5967 | IEEE80211_SYNC_METHOD_VENDOR : | |
5968 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5969 | ||
c80d545d JC |
5970 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5971 | setup->path_sel_proto = | |
5972 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5973 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5974 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5975 | ||
5976 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5977 | setup->path_metric = | |
5978 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5979 | IEEE80211_PATH_METRIC_VENDOR : | |
5980 | IEEE80211_PATH_METRIC_AIRTIME; | |
5981 | ||
581a8b0f | 5982 | if (tb[NL80211_MESH_SETUP_IE]) { |
c80d545d | 5983 | struct nlattr *ieattr = |
581a8b0f | 5984 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5985 | if (!is_valid_ie_attr(ieattr)) |
5986 | return -EINVAL; | |
581a8b0f JC |
5987 | setup->ie = nla_data(ieattr); |
5988 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5989 | } |
bb2798d4 TP |
5990 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5991 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5992 | return -EINVAL; | |
5993 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5994 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5995 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5996 | if (setup->is_secure) |
5997 | setup->user_mpm = true; | |
c80d545d | 5998 | |
6e16d90b CT |
5999 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
6000 | if (!setup->user_mpm) | |
6001 | return -EINVAL; | |
6002 | setup->auth_id = | |
6003 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
6004 | } | |
6005 | ||
c80d545d JC |
6006 | return 0; |
6007 | } | |
6008 | ||
24bdd9f4 | 6009 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 6010 | struct genl_info *info) |
bd90fdcc JB |
6011 | { |
6012 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6013 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 6014 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
6015 | struct mesh_config cfg; |
6016 | u32 mask; | |
6017 | int err; | |
6018 | ||
29cbe68c JB |
6019 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
6020 | return -EOPNOTSUPP; | |
6021 | ||
24bdd9f4 | 6022 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
6023 | return -EOPNOTSUPP; |
6024 | ||
24bdd9f4 | 6025 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
6026 | if (err) |
6027 | return err; | |
6028 | ||
29cbe68c JB |
6029 | wdev_lock(wdev); |
6030 | if (!wdev->mesh_id_len) | |
6031 | err = -ENOLINK; | |
6032 | ||
6033 | if (!err) | |
e35e4d28 | 6034 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
6035 | |
6036 | wdev_unlock(wdev); | |
6037 | ||
6038 | return err; | |
93da9cc1 | 6039 | } |
6040 | ||
ad30ca2c AN |
6041 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
6042 | struct sk_buff *msg) | |
f130347c | 6043 | { |
f130347c LR |
6044 | struct nlattr *nl_reg_rules; |
6045 | unsigned int i; | |
f130347c | 6046 | |
458f4f9e JB |
6047 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
6048 | (regdom->dfs_region && | |
6049 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 6050 | goto nla_put_failure; |
458f4f9e | 6051 | |
f130347c LR |
6052 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
6053 | if (!nl_reg_rules) | |
ad30ca2c | 6054 | goto nla_put_failure; |
f130347c | 6055 | |
458f4f9e | 6056 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
6057 | struct nlattr *nl_reg_rule; |
6058 | const struct ieee80211_reg_rule *reg_rule; | |
6059 | const struct ieee80211_freq_range *freq_range; | |
6060 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 6061 | unsigned int max_bandwidth_khz; |
f130347c | 6062 | |
458f4f9e | 6063 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
6064 | freq_range = ®_rule->freq_range; |
6065 | power_rule = ®_rule->power_rule; | |
6066 | ||
6067 | nl_reg_rule = nla_nest_start(msg, i); | |
6068 | if (!nl_reg_rule) | |
ad30ca2c | 6069 | goto nla_put_failure; |
f130347c | 6070 | |
97524820 JD |
6071 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
6072 | if (!max_bandwidth_khz) | |
6073 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
6074 | reg_rule); | |
6075 | ||
9360ffd1 DM |
6076 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
6077 | reg_rule->flags) || | |
6078 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
6079 | freq_range->start_freq_khz) || | |
6080 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
6081 | freq_range->end_freq_khz) || | |
6082 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 6083 | max_bandwidth_khz) || |
9360ffd1 DM |
6084 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
6085 | power_rule->max_antenna_gain) || | |
6086 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
6087 | power_rule->max_eirp) || |
6088 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
6089 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 6090 | goto nla_put_failure; |
f130347c LR |
6091 | |
6092 | nla_nest_end(msg, nl_reg_rule); | |
6093 | } | |
6094 | ||
6095 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
6096 | return 0; |
6097 | ||
6098 | nla_put_failure: | |
6099 | return -EMSGSIZE; | |
6100 | } | |
6101 | ||
6102 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
6103 | { | |
6104 | const struct ieee80211_regdomain *regdom = NULL; | |
6105 | struct cfg80211_registered_device *rdev; | |
6106 | struct wiphy *wiphy = NULL; | |
6107 | struct sk_buff *msg; | |
6108 | void *hdr; | |
6109 | ||
6110 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6111 | if (!msg) | |
6112 | return -ENOBUFS; | |
6113 | ||
6114 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
6115 | NL80211_CMD_GET_REG); | |
6116 | if (!hdr) | |
6117 | goto put_failure; | |
6118 | ||
6119 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
1bdd716c AN |
6120 | bool self_managed; |
6121 | ||
ad30ca2c AN |
6122 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
6123 | if (IS_ERR(rdev)) { | |
6124 | nlmsg_free(msg); | |
6125 | return PTR_ERR(rdev); | |
6126 | } | |
6127 | ||
6128 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
6129 | self_managed = wiphy->regulatory_flags & |
6130 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
6131 | regdom = get_wiphy_regdom(wiphy); |
6132 | ||
1bdd716c AN |
6133 | /* a self-managed-reg device must have a private regdom */ |
6134 | if (WARN_ON(!regdom && self_managed)) { | |
6135 | nlmsg_free(msg); | |
6136 | return -EINVAL; | |
6137 | } | |
6138 | ||
ad30ca2c AN |
6139 | if (regdom && |
6140 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6141 | goto nla_put_failure; | |
6142 | } | |
6143 | ||
6144 | if (!wiphy && reg_last_request_cell_base() && | |
6145 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6146 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6147 | goto nla_put_failure; | |
6148 | ||
6149 | rcu_read_lock(); | |
6150 | ||
6151 | if (!regdom) | |
6152 | regdom = rcu_dereference(cfg80211_regdomain); | |
6153 | ||
6154 | if (nl80211_put_regdom(regdom, msg)) | |
6155 | goto nla_put_failure_rcu; | |
6156 | ||
6157 | rcu_read_unlock(); | |
f130347c LR |
6158 | |
6159 | genlmsg_end(msg, hdr); | |
5fe231e8 | 6160 | return genlmsg_reply(msg, info); |
f130347c | 6161 | |
458f4f9e JB |
6162 | nla_put_failure_rcu: |
6163 | rcu_read_unlock(); | |
f130347c LR |
6164 | nla_put_failure: |
6165 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 6166 | put_failure: |
d080e275 | 6167 | nlmsg_free(msg); |
5fe231e8 | 6168 | return -EMSGSIZE; |
f130347c LR |
6169 | } |
6170 | ||
ad30ca2c AN |
6171 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
6172 | u32 seq, int flags, struct wiphy *wiphy, | |
6173 | const struct ieee80211_regdomain *regdom) | |
6174 | { | |
6175 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
6176 | NL80211_CMD_GET_REG); | |
6177 | ||
6178 | if (!hdr) | |
6179 | return -1; | |
6180 | ||
6181 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); | |
6182 | ||
6183 | if (nl80211_put_regdom(regdom, msg)) | |
6184 | goto nla_put_failure; | |
6185 | ||
6186 | if (!wiphy && reg_last_request_cell_base() && | |
6187 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6188 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6189 | goto nla_put_failure; | |
6190 | ||
6191 | if (wiphy && | |
6192 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6193 | goto nla_put_failure; | |
6194 | ||
1bdd716c AN |
6195 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
6196 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
6197 | goto nla_put_failure; | |
6198 | ||
053c095a JB |
6199 | genlmsg_end(msg, hdr); |
6200 | return 0; | |
ad30ca2c AN |
6201 | |
6202 | nla_put_failure: | |
6203 | genlmsg_cancel(msg, hdr); | |
6204 | return -EMSGSIZE; | |
6205 | } | |
6206 | ||
6207 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
6208 | struct netlink_callback *cb) | |
6209 | { | |
6210 | const struct ieee80211_regdomain *regdom = NULL; | |
6211 | struct cfg80211_registered_device *rdev; | |
6212 | int err, reg_idx, start = cb->args[2]; | |
6213 | ||
6214 | rtnl_lock(); | |
6215 | ||
6216 | if (cfg80211_regdomain && start == 0) { | |
6217 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6218 | NLM_F_MULTI, NULL, | |
6219 | rtnl_dereference(cfg80211_regdomain)); | |
6220 | if (err < 0) | |
6221 | goto out_err; | |
6222 | } | |
6223 | ||
6224 | /* the global regdom is idx 0 */ | |
6225 | reg_idx = 1; | |
6226 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
6227 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
6228 | if (!regdom) | |
6229 | continue; | |
6230 | ||
6231 | if (++reg_idx <= start) | |
6232 | continue; | |
6233 | ||
6234 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6235 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
6236 | if (err < 0) { | |
6237 | reg_idx--; | |
6238 | break; | |
6239 | } | |
6240 | } | |
6241 | ||
6242 | cb->args[2] = reg_idx; | |
6243 | err = skb->len; | |
6244 | out_err: | |
6245 | rtnl_unlock(); | |
6246 | return err; | |
6247 | } | |
6248 | ||
b6863036 JB |
6249 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
6250 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
6251 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
6252 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
6253 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
6254 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
6255 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
6256 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
6257 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, | |
6258 | }; | |
6259 | ||
6260 | static int parse_reg_rule(struct nlattr *tb[], | |
6261 | struct ieee80211_reg_rule *reg_rule) | |
6262 | { | |
6263 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
6264 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
6265 | ||
6266 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
6267 | return -EINVAL; | |
6268 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
6269 | return -EINVAL; | |
6270 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
6271 | return -EINVAL; | |
6272 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
6273 | return -EINVAL; | |
6274 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
6275 | return -EINVAL; | |
6276 | ||
6277 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
6278 | ||
6279 | freq_range->start_freq_khz = | |
6280 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
6281 | freq_range->end_freq_khz = | |
6282 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
6283 | freq_range->max_bandwidth_khz = | |
6284 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
6285 | ||
6286 | power_rule->max_eirp = | |
6287 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
6288 | ||
6289 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
6290 | power_rule->max_antenna_gain = | |
6291 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
6292 | ||
6293 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) | |
6294 | reg_rule->dfs_cac_ms = | |
6295 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
6296 | ||
6297 | return 0; | |
6298 | } | |
6299 | ||
b2e1b302 LR |
6300 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
6301 | { | |
6302 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
6303 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
6304 | char *alpha2; |
6305 | int rem_reg_rules, r; | |
b2e1b302 | 6306 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 6307 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 6308 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
6309 | |
6310 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
6311 | return -EINVAL; | |
6312 | ||
6313 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
6314 | return -EINVAL; | |
6315 | ||
6316 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
6317 | ||
8b60b078 LR |
6318 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
6319 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
6320 | ||
b2e1b302 | 6321 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6322 | rem_reg_rules) { |
b2e1b302 LR |
6323 | num_rules++; |
6324 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 6325 | return -EINVAL; |
b2e1b302 LR |
6326 | } |
6327 | ||
e438768f LR |
6328 | if (!reg_is_valid_request(alpha2)) |
6329 | return -EINVAL; | |
6330 | ||
b2e1b302 | 6331 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 6332 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
6333 | |
6334 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
6335 | if (!rd) |
6336 | return -ENOMEM; | |
b2e1b302 LR |
6337 | |
6338 | rd->n_reg_rules = num_rules; | |
6339 | rd->alpha2[0] = alpha2[0]; | |
6340 | rd->alpha2[1] = alpha2[1]; | |
6341 | ||
8b60b078 LR |
6342 | /* |
6343 | * Disable DFS master mode if the DFS region was | |
6344 | * not supported or known on this kernel. | |
6345 | */ | |
6346 | if (reg_supported_dfs_region(dfs_region)) | |
6347 | rd->dfs_region = dfs_region; | |
6348 | ||
b2e1b302 | 6349 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6350 | rem_reg_rules) { |
bfe2c7b1 JB |
6351 | r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX, |
6352 | nl_reg_rule, reg_rule_policy); | |
ae811e21 JB |
6353 | if (r) |
6354 | goto bad_reg; | |
b2e1b302 LR |
6355 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
6356 | if (r) | |
6357 | goto bad_reg; | |
6358 | ||
6359 | rule_idx++; | |
6360 | ||
d0e18f83 LR |
6361 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
6362 | r = -EINVAL; | |
b2e1b302 | 6363 | goto bad_reg; |
d0e18f83 | 6364 | } |
b2e1b302 LR |
6365 | } |
6366 | ||
06627990 JB |
6367 | /* set_regdom takes ownership of rd */ |
6368 | return set_regdom(rd, REGD_SOURCE_CRDA); | |
d2372b31 | 6369 | bad_reg: |
b2e1b302 | 6370 | kfree(rd); |
d0e18f83 | 6371 | return r; |
b2e1b302 | 6372 | } |
b6863036 | 6373 | #endif /* CONFIG_CFG80211_CRDA_SUPPORT */ |
b2e1b302 | 6374 | |
83f5e2cf JB |
6375 | static int validate_scan_freqs(struct nlattr *freqs) |
6376 | { | |
6377 | struct nlattr *attr1, *attr2; | |
6378 | int n_channels = 0, tmp1, tmp2; | |
6379 | ||
6380 | nla_for_each_nested(attr1, freqs, tmp1) { | |
6381 | n_channels++; | |
6382 | /* | |
6383 | * Some hardware has a limited channel list for | |
6384 | * scanning, and it is pretty much nonsensical | |
6385 | * to scan for a channel twice, so disallow that | |
6386 | * and don't require drivers to check that the | |
6387 | * channel list they get isn't longer than what | |
6388 | * they can scan, as long as they can scan all | |
6389 | * the channels they registered at once. | |
6390 | */ | |
6391 | nla_for_each_nested(attr2, freqs, tmp2) | |
6392 | if (attr1 != attr2 && | |
6393 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
6394 | return 0; | |
6395 | } | |
6396 | ||
6397 | return n_channels; | |
6398 | } | |
6399 | ||
57fbcce3 | 6400 | static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b) |
38de03d2 | 6401 | { |
57fbcce3 | 6402 | return b < NUM_NL80211_BANDS && wiphy->bands[b]; |
38de03d2 AS |
6403 | } |
6404 | ||
6405 | static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, | |
6406 | struct cfg80211_bss_selection *bss_select) | |
6407 | { | |
6408 | struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1]; | |
6409 | struct nlattr *nest; | |
6410 | int err; | |
6411 | bool found = false; | |
6412 | int i; | |
6413 | ||
6414 | /* only process one nested attribute */ | |
6415 | nest = nla_data(nla); | |
6416 | if (!nla_ok(nest, nla_len(nest))) | |
6417 | return -EINVAL; | |
6418 | ||
bfe2c7b1 JB |
6419 | err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest, |
6420 | nl80211_bss_select_policy); | |
38de03d2 AS |
6421 | if (err) |
6422 | return err; | |
6423 | ||
6424 | /* only one attribute may be given */ | |
6425 | for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) { | |
6426 | if (attr[i]) { | |
6427 | if (found) | |
6428 | return -EINVAL; | |
6429 | found = true; | |
6430 | } | |
6431 | } | |
6432 | ||
6433 | bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID; | |
6434 | ||
6435 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI]) | |
6436 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI; | |
6437 | ||
6438 | if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) { | |
6439 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF; | |
6440 | bss_select->param.band_pref = | |
6441 | nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]); | |
6442 | if (!is_band_valid(wiphy, bss_select->param.band_pref)) | |
6443 | return -EINVAL; | |
6444 | } | |
6445 | ||
6446 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) { | |
6447 | struct nl80211_bss_select_rssi_adjust *adj_param; | |
6448 | ||
6449 | adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]); | |
6450 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST; | |
6451 | bss_select->param.adjust.band = adj_param->band; | |
6452 | bss_select->param.adjust.delta = adj_param->delta; | |
6453 | if (!is_band_valid(wiphy, bss_select->param.adjust.band)) | |
6454 | return -EINVAL; | |
6455 | } | |
6456 | ||
6457 | /* user-space did not provide behaviour attribute */ | |
6458 | if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID) | |
6459 | return -EINVAL; | |
6460 | ||
6461 | if (!(wiphy->bss_select_support & BIT(bss_select->behaviour))) | |
6462 | return -EINVAL; | |
6463 | ||
6464 | return 0; | |
6465 | } | |
6466 | ||
ad2b26ab JB |
6467 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
6468 | u8 *mac_addr, u8 *mac_addr_mask) | |
6469 | { | |
6470 | int i; | |
6471 | ||
6472 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
6473 | eth_zero_addr(mac_addr); |
6474 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
6475 | mac_addr[0] = 0x2; |
6476 | mac_addr_mask[0] = 0x3; | |
6477 | ||
6478 | return 0; | |
6479 | } | |
6480 | ||
6481 | /* need both or none */ | |
6482 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
6483 | return -EINVAL; | |
6484 | ||
6485 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
6486 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
6487 | ||
6488 | /* don't allow or configure an mcast address */ | |
6489 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
6490 | is_multicast_ether_addr(mac_addr)) | |
6491 | return -EINVAL; | |
6492 | ||
6493 | /* | |
6494 | * allow users to pass a MAC address that has bits set outside | |
6495 | * of the mask, but don't bother drivers with having to deal | |
6496 | * with such bits | |
6497 | */ | |
6498 | for (i = 0; i < ETH_ALEN; i++) | |
6499 | mac_addr[i] &= mac_addr_mask[i]; | |
6500 | ||
6501 | return 0; | |
6502 | } | |
6503 | ||
2a519311 JB |
6504 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
6505 | { | |
4c476991 | 6506 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 6507 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 6508 | struct cfg80211_scan_request *request; |
2a519311 JB |
6509 | struct nlattr *attr; |
6510 | struct wiphy *wiphy; | |
83f5e2cf | 6511 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 6512 | size_t ie_len; |
2a519311 | 6513 | |
f4a11bb0 JB |
6514 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6515 | return -EINVAL; | |
6516 | ||
79c97e97 | 6517 | wiphy = &rdev->wiphy; |
2a519311 | 6518 | |
cb3b7d87 AB |
6519 | if (wdev->iftype == NL80211_IFTYPE_NAN) |
6520 | return -EOPNOTSUPP; | |
6521 | ||
4c476991 JB |
6522 | if (!rdev->ops->scan) |
6523 | return -EOPNOTSUPP; | |
2a519311 | 6524 | |
f9d15d16 | 6525 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
6526 | err = -EBUSY; |
6527 | goto unlock; | |
6528 | } | |
2a519311 JB |
6529 | |
6530 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
6531 | n_channels = validate_scan_freqs( |
6532 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
6533 | if (!n_channels) { |
6534 | err = -EINVAL; | |
6535 | goto unlock; | |
6536 | } | |
2a519311 | 6537 | } else { |
bdfbec2d | 6538 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
6539 | } |
6540 | ||
6541 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
6542 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
6543 | n_ssids++; | |
6544 | ||
f9f47529 JB |
6545 | if (n_ssids > wiphy->max_scan_ssids) { |
6546 | err = -EINVAL; | |
6547 | goto unlock; | |
6548 | } | |
2a519311 | 6549 | |
70692ad2 JM |
6550 | if (info->attrs[NL80211_ATTR_IE]) |
6551 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6552 | else | |
6553 | ie_len = 0; | |
6554 | ||
f9f47529 JB |
6555 | if (ie_len > wiphy->max_scan_ie_len) { |
6556 | err = -EINVAL; | |
6557 | goto unlock; | |
6558 | } | |
18a83659 | 6559 | |
2a519311 | 6560 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
6561 | + sizeof(*request->ssids) * n_ssids |
6562 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 6563 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
6564 | if (!request) { |
6565 | err = -ENOMEM; | |
6566 | goto unlock; | |
6567 | } | |
2a519311 | 6568 | |
2a519311 | 6569 | if (n_ssids) |
5ba63533 | 6570 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 6571 | request->n_ssids = n_ssids; |
70692ad2 | 6572 | if (ie_len) { |
13874e4b | 6573 | if (n_ssids) |
70692ad2 JM |
6574 | request->ie = (void *)(request->ssids + n_ssids); |
6575 | else | |
6576 | request->ie = (void *)(request->channels + n_channels); | |
6577 | } | |
2a519311 | 6578 | |
584991dc | 6579 | i = 0; |
2a519311 JB |
6580 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
6581 | /* user specified, bail out if channel not found */ | |
2a519311 | 6582 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
6583 | struct ieee80211_channel *chan; |
6584 | ||
6585 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6586 | ||
6587 | if (!chan) { | |
2a519311 JB |
6588 | err = -EINVAL; |
6589 | goto out_free; | |
6590 | } | |
584991dc JB |
6591 | |
6592 | /* ignore disabled channels */ | |
6593 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6594 | continue; | |
6595 | ||
6596 | request->channels[i] = chan; | |
2a519311 JB |
6597 | i++; |
6598 | } | |
6599 | } else { | |
57fbcce3 | 6600 | enum nl80211_band band; |
34850ab2 | 6601 | |
2a519311 | 6602 | /* all channels */ |
57fbcce3 | 6603 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
2a519311 | 6604 | int j; |
7a087e74 | 6605 | |
2a519311 JB |
6606 | if (!wiphy->bands[band]) |
6607 | continue; | |
6608 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
6609 | struct ieee80211_channel *chan; |
6610 | ||
6611 | chan = &wiphy->bands[band]->channels[j]; | |
6612 | ||
6613 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6614 | continue; | |
6615 | ||
6616 | request->channels[i] = chan; | |
2a519311 JB |
6617 | i++; |
6618 | } | |
6619 | } | |
6620 | } | |
6621 | ||
584991dc JB |
6622 | if (!i) { |
6623 | err = -EINVAL; | |
6624 | goto out_free; | |
6625 | } | |
6626 | ||
6627 | request->n_channels = i; | |
6628 | ||
2a519311 | 6629 | i = 0; |
13874e4b | 6630 | if (n_ssids) { |
2a519311 | 6631 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 6632 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
6633 | err = -EINVAL; |
6634 | goto out_free; | |
6635 | } | |
57a27e1d | 6636 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 6637 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
6638 | i++; |
6639 | } | |
6640 | } | |
6641 | ||
70692ad2 JM |
6642 | if (info->attrs[NL80211_ATTR_IE]) { |
6643 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
6644 | memcpy((void *)request->ie, |
6645 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
6646 | request->ie_len); |
6647 | } | |
6648 | ||
57fbcce3 | 6649 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
a401d2bb JB |
6650 | if (wiphy->bands[i]) |
6651 | request->rates[i] = | |
6652 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
6653 | |
6654 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
6655 | nla_for_each_nested(attr, | |
6656 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
6657 | tmp) { | |
57fbcce3 | 6658 | enum nl80211_band band = nla_type(attr); |
34850ab2 | 6659 | |
57fbcce3 | 6660 | if (band < 0 || band >= NUM_NL80211_BANDS) { |
34850ab2 JB |
6661 | err = -EINVAL; |
6662 | goto out_free; | |
6663 | } | |
1b09cd82 FF |
6664 | |
6665 | if (!wiphy->bands[band]) | |
6666 | continue; | |
6667 | ||
34850ab2 JB |
6668 | err = ieee80211_get_ratemask(wiphy->bands[band], |
6669 | nla_data(attr), | |
6670 | nla_len(attr), | |
6671 | &request->rates[band]); | |
6672 | if (err) | |
6673 | goto out_free; | |
6674 | } | |
6675 | } | |
6676 | ||
1d76250b AS |
6677 | if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { |
6678 | if (!wiphy_ext_feature_isset(wiphy, | |
6679 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) { | |
6680 | err = -EOPNOTSUPP; | |
6681 | goto out_free; | |
6682 | } | |
6683 | ||
6684 | request->duration = | |
6685 | nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); | |
6686 | request->duration_mandatory = | |
6687 | nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); | |
6688 | } | |
6689 | ||
46856bbf | 6690 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
6691 | request->flags = nla_get_u32( |
6692 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
6693 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6694 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6695 | err = -EOPNOTSUPP; |
6696 | goto out_free; | |
6697 | } | |
ad2b26ab JB |
6698 | |
6699 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6700 | if (!(wiphy->features & | |
6701 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) { | |
6702 | err = -EOPNOTSUPP; | |
6703 | goto out_free; | |
6704 | } | |
6705 | ||
6706 | if (wdev->current_bss) { | |
6707 | err = -EOPNOTSUPP; | |
6708 | goto out_free; | |
6709 | } | |
6710 | ||
6711 | err = nl80211_parse_random_mac(info->attrs, | |
6712 | request->mac_addr, | |
6713 | request->mac_addr_mask); | |
6714 | if (err) | |
6715 | goto out_free; | |
6716 | } | |
46856bbf | 6717 | } |
ed473771 | 6718 | |
e9f935e3 RM |
6719 | request->no_cck = |
6720 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
6721 | ||
2fa436b3 VK |
6722 | /* Initial implementation used NL80211_ATTR_MAC to set the specific |
6723 | * BSSID to scan for. This was problematic because that same attribute | |
6724 | * was already used for another purpose (local random MAC address). The | |
6725 | * NL80211_ATTR_BSSID attribute was added to fix this. For backwards | |
6726 | * compatibility with older userspace components, also use the | |
6727 | * NL80211_ATTR_MAC value here if it can be determined to be used for | |
6728 | * the specific BSSID use case instead of the random MAC address | |
6729 | * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use). | |
6730 | */ | |
6731 | if (info->attrs[NL80211_ATTR_BSSID]) | |
6732 | memcpy(request->bssid, | |
6733 | nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN); | |
6734 | else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) && | |
6735 | info->attrs[NL80211_ATTR_MAC]) | |
818965d3 JM |
6736 | memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), |
6737 | ETH_ALEN); | |
6738 | else | |
6739 | eth_broadcast_addr(request->bssid); | |
6740 | ||
fd014284 | 6741 | request->wdev = wdev; |
79c97e97 | 6742 | request->wiphy = &rdev->wiphy; |
15d6030b | 6743 | request->scan_start = jiffies; |
2a519311 | 6744 | |
79c97e97 | 6745 | rdev->scan_req = request; |
e35e4d28 | 6746 | err = rdev_scan(rdev, request); |
2a519311 | 6747 | |
463d0183 | 6748 | if (!err) { |
fd014284 JB |
6749 | nl80211_send_scan_start(rdev, wdev); |
6750 | if (wdev->netdev) | |
6751 | dev_hold(wdev->netdev); | |
4c476991 | 6752 | } else { |
2a519311 | 6753 | out_free: |
79c97e97 | 6754 | rdev->scan_req = NULL; |
2a519311 JB |
6755 | kfree(request); |
6756 | } | |
3b85875a | 6757 | |
f9f47529 | 6758 | unlock: |
2a519311 JB |
6759 | return err; |
6760 | } | |
6761 | ||
91d3ab46 VK |
6762 | static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) |
6763 | { | |
6764 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6765 | struct wireless_dev *wdev = info->user_ptr[1]; | |
6766 | ||
6767 | if (!rdev->ops->abort_scan) | |
6768 | return -EOPNOTSUPP; | |
6769 | ||
6770 | if (rdev->scan_msg) | |
6771 | return 0; | |
6772 | ||
6773 | if (!rdev->scan_req) | |
6774 | return -ENOENT; | |
6775 | ||
6776 | rdev_abort_scan(rdev, wdev); | |
6777 | return 0; | |
6778 | } | |
6779 | ||
3b06d277 AS |
6780 | static int |
6781 | nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, | |
6782 | struct cfg80211_sched_scan_request *request, | |
6783 | struct nlattr **attrs) | |
6784 | { | |
6785 | int tmp, err, i = 0; | |
6786 | struct nlattr *attr; | |
6787 | ||
6788 | if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { | |
6789 | u32 interval; | |
6790 | ||
6791 | /* | |
6792 | * If scan plans are not specified, | |
6793 | * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this | |
6794 | * case one scan plan will be set with the specified scan | |
6795 | * interval and infinite number of iterations. | |
6796 | */ | |
6797 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6798 | return -EINVAL; | |
6799 | ||
6800 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
6801 | if (!interval) | |
6802 | return -EINVAL; | |
6803 | ||
6804 | request->scan_plans[0].interval = | |
6805 | DIV_ROUND_UP(interval, MSEC_PER_SEC); | |
6806 | if (!request->scan_plans[0].interval) | |
6807 | return -EINVAL; | |
6808 | ||
6809 | if (request->scan_plans[0].interval > | |
6810 | wiphy->max_sched_scan_plan_interval) | |
6811 | request->scan_plans[0].interval = | |
6812 | wiphy->max_sched_scan_plan_interval; | |
6813 | ||
6814 | return 0; | |
6815 | } | |
6816 | ||
6817 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) { | |
6818 | struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1]; | |
6819 | ||
6820 | if (WARN_ON(i >= n_plans)) | |
6821 | return -EINVAL; | |
6822 | ||
bfe2c7b1 JB |
6823 | err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX, |
6824 | attr, nl80211_plan_policy); | |
3b06d277 AS |
6825 | if (err) |
6826 | return err; | |
6827 | ||
6828 | if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]) | |
6829 | return -EINVAL; | |
6830 | ||
6831 | request->scan_plans[i].interval = | |
6832 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]); | |
6833 | if (!request->scan_plans[i].interval || | |
6834 | request->scan_plans[i].interval > | |
6835 | wiphy->max_sched_scan_plan_interval) | |
6836 | return -EINVAL; | |
6837 | ||
6838 | if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) { | |
6839 | request->scan_plans[i].iterations = | |
6840 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]); | |
6841 | if (!request->scan_plans[i].iterations || | |
6842 | (request->scan_plans[i].iterations > | |
6843 | wiphy->max_sched_scan_plan_iterations)) | |
6844 | return -EINVAL; | |
6845 | } else if (i < n_plans - 1) { | |
6846 | /* | |
6847 | * All scan plans but the last one must specify | |
6848 | * a finite number of iterations | |
6849 | */ | |
6850 | return -EINVAL; | |
6851 | } | |
6852 | ||
6853 | i++; | |
6854 | } | |
6855 | ||
6856 | /* | |
6857 | * The last scan plan must not specify the number of | |
6858 | * iterations, it is supposed to run infinitely | |
6859 | */ | |
6860 | if (request->scan_plans[n_plans - 1].iterations) | |
6861 | return -EINVAL; | |
6862 | ||
6863 | return 0; | |
6864 | } | |
6865 | ||
256da02d | 6866 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 6867 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
256da02d | 6868 | struct nlattr **attrs) |
807f8a8c LC |
6869 | { |
6870 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 6871 | struct nlattr *attr; |
3b06d277 | 6872 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0; |
57fbcce3 | 6873 | enum nl80211_band band; |
807f8a8c | 6874 | size_t ie_len; |
a1f1c21c | 6875 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 6876 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 6877 | |
256da02d LC |
6878 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
6879 | return ERR_PTR(-EINVAL); | |
807f8a8c | 6880 | |
256da02d | 6881 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 6882 | n_channels = validate_scan_freqs( |
256da02d | 6883 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 6884 | if (!n_channels) |
256da02d | 6885 | return ERR_PTR(-EINVAL); |
807f8a8c | 6886 | } else { |
bdfbec2d | 6887 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
6888 | } |
6889 | ||
256da02d LC |
6890 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
6891 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
6892 | tmp) |
6893 | n_ssids++; | |
6894 | ||
93b6aa69 | 6895 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 6896 | return ERR_PTR(-EINVAL); |
807f8a8c | 6897 | |
ea73cbce JB |
6898 | /* |
6899 | * First, count the number of 'real' matchsets. Due to an issue with | |
6900 | * the old implementation, matchsets containing only the RSSI attribute | |
6901 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
6902 | * RSSI for all matchsets, rather than their own matchset for reporting | |
6903 | * all APs with a strong RSSI. This is needed to be compatible with | |
6904 | * older userspace that treated a matchset with only the RSSI as the | |
6905 | * global RSSI for all other matchsets - if there are other matchsets. | |
6906 | */ | |
256da02d | 6907 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 6908 | nla_for_each_nested(attr, |
256da02d | 6909 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
6910 | tmp) { |
6911 | struct nlattr *rssi; | |
6912 | ||
bfe2c7b1 JB |
6913 | err = nla_parse_nested(tb, |
6914 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
6915 | attr, nl80211_match_policy); | |
ea73cbce | 6916 | if (err) |
256da02d | 6917 | return ERR_PTR(err); |
ea73cbce JB |
6918 | /* add other standalone attributes here */ |
6919 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
6920 | n_match_sets++; | |
6921 | continue; | |
6922 | } | |
6923 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
6924 | if (rssi) | |
6925 | default_match_rssi = nla_get_s32(rssi); | |
6926 | } | |
6927 | } | |
6928 | ||
6929 | /* However, if there's no other matchset, add the RSSI one */ | |
6930 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
6931 | n_match_sets = 1; | |
a1f1c21c LC |
6932 | |
6933 | if (n_match_sets > wiphy->max_match_sets) | |
256da02d | 6934 | return ERR_PTR(-EINVAL); |
a1f1c21c | 6935 | |
256da02d LC |
6936 | if (attrs[NL80211_ATTR_IE]) |
6937 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
6938 | else |
6939 | ie_len = 0; | |
6940 | ||
5a865bad | 6941 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 6942 | return ERR_PTR(-EINVAL); |
c10841ca | 6943 | |
3b06d277 AS |
6944 | if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { |
6945 | /* | |
6946 | * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since | |
6947 | * each scan plan already specifies its own interval | |
6948 | */ | |
6949 | if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6950 | return ERR_PTR(-EINVAL); | |
6951 | ||
6952 | nla_for_each_nested(attr, | |
6953 | attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) | |
6954 | n_plans++; | |
6955 | } else { | |
6956 | /* | |
6957 | * The scan interval attribute is kept for backward | |
6958 | * compatibility. If no scan plans are specified and sched scan | |
6959 | * interval is specified, one scan plan will be set with this | |
6960 | * scan interval and infinite number of iterations. | |
6961 | */ | |
6962 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6963 | return ERR_PTR(-EINVAL); | |
6964 | ||
6965 | n_plans = 1; | |
6966 | } | |
6967 | ||
6968 | if (!n_plans || n_plans > wiphy->max_sched_scan_plans) | |
6969 | return ERR_PTR(-EINVAL); | |
6970 | ||
807f8a8c | 6971 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 6972 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 6973 | + sizeof(*request->match_sets) * n_match_sets |
3b06d277 | 6974 | + sizeof(*request->scan_plans) * n_plans |
a2cd43c5 | 6975 | + sizeof(*request->channels) * n_channels |
807f8a8c | 6976 | + ie_len, GFP_KERNEL); |
256da02d LC |
6977 | if (!request) |
6978 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
6979 | |
6980 | if (n_ssids) | |
6981 | request->ssids = (void *)&request->channels[n_channels]; | |
6982 | request->n_ssids = n_ssids; | |
6983 | if (ie_len) { | |
13874e4b | 6984 | if (n_ssids) |
807f8a8c LC |
6985 | request->ie = (void *)(request->ssids + n_ssids); |
6986 | else | |
6987 | request->ie = (void *)(request->channels + n_channels); | |
6988 | } | |
6989 | ||
a1f1c21c LC |
6990 | if (n_match_sets) { |
6991 | if (request->ie) | |
6992 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 6993 | else if (n_ssids) |
a1f1c21c LC |
6994 | request->match_sets = |
6995 | (void *)(request->ssids + n_ssids); | |
6996 | else | |
6997 | request->match_sets = | |
6998 | (void *)(request->channels + n_channels); | |
6999 | } | |
7000 | request->n_match_sets = n_match_sets; | |
7001 | ||
3b06d277 AS |
7002 | if (n_match_sets) |
7003 | request->scan_plans = (void *)(request->match_sets + | |
7004 | n_match_sets); | |
7005 | else if (request->ie) | |
7006 | request->scan_plans = (void *)(request->ie + ie_len); | |
7007 | else if (n_ssids) | |
7008 | request->scan_plans = (void *)(request->ssids + n_ssids); | |
7009 | else | |
7010 | request->scan_plans = (void *)(request->channels + n_channels); | |
7011 | ||
7012 | request->n_scan_plans = n_plans; | |
7013 | ||
807f8a8c | 7014 | i = 0; |
256da02d | 7015 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
7016 | /* user specified, bail out if channel not found */ |
7017 | nla_for_each_nested(attr, | |
256da02d | 7018 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
7019 | tmp) { |
7020 | struct ieee80211_channel *chan; | |
7021 | ||
7022 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
7023 | ||
7024 | if (!chan) { | |
7025 | err = -EINVAL; | |
7026 | goto out_free; | |
7027 | } | |
7028 | ||
7029 | /* ignore disabled channels */ | |
7030 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7031 | continue; | |
7032 | ||
7033 | request->channels[i] = chan; | |
7034 | i++; | |
7035 | } | |
7036 | } else { | |
7037 | /* all channels */ | |
57fbcce3 | 7038 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
807f8a8c | 7039 | int j; |
7a087e74 | 7040 | |
807f8a8c LC |
7041 | if (!wiphy->bands[band]) |
7042 | continue; | |
7043 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
7044 | struct ieee80211_channel *chan; | |
7045 | ||
7046 | chan = &wiphy->bands[band]->channels[j]; | |
7047 | ||
7048 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7049 | continue; | |
7050 | ||
7051 | request->channels[i] = chan; | |
7052 | i++; | |
7053 | } | |
7054 | } | |
7055 | } | |
7056 | ||
7057 | if (!i) { | |
7058 | err = -EINVAL; | |
7059 | goto out_free; | |
7060 | } | |
7061 | ||
7062 | request->n_channels = i; | |
7063 | ||
7064 | i = 0; | |
13874e4b | 7065 | if (n_ssids) { |
256da02d | 7066 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 7067 | tmp) { |
57a27e1d | 7068 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
7069 | err = -EINVAL; |
7070 | goto out_free; | |
7071 | } | |
57a27e1d | 7072 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
7073 | memcpy(request->ssids[i].ssid, nla_data(attr), |
7074 | nla_len(attr)); | |
807f8a8c LC |
7075 | i++; |
7076 | } | |
7077 | } | |
7078 | ||
a1f1c21c | 7079 | i = 0; |
256da02d | 7080 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7081 | nla_for_each_nested(attr, |
256da02d | 7082 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 7083 | tmp) { |
88e920b4 | 7084 | struct nlattr *ssid, *rssi; |
a1f1c21c | 7085 | |
bfe2c7b1 JB |
7086 | err = nla_parse_nested(tb, |
7087 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
7088 | attr, nl80211_match_policy); | |
ae811e21 JB |
7089 | if (err) |
7090 | goto out_free; | |
4a4ab0d7 | 7091 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 7092 | if (ssid) { |
ea73cbce JB |
7093 | if (WARN_ON(i >= n_match_sets)) { |
7094 | /* this indicates a programming error, | |
7095 | * the loop above should have verified | |
7096 | * things properly | |
7097 | */ | |
7098 | err = -EINVAL; | |
7099 | goto out_free; | |
7100 | } | |
7101 | ||
a1f1c21c LC |
7102 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
7103 | err = -EINVAL; | |
7104 | goto out_free; | |
7105 | } | |
7106 | memcpy(request->match_sets[i].ssid.ssid, | |
7107 | nla_data(ssid), nla_len(ssid)); | |
7108 | request->match_sets[i].ssid.ssid_len = | |
7109 | nla_len(ssid); | |
56ab364f | 7110 | /* special attribute - old implementation w/a */ |
ea73cbce JB |
7111 | request->match_sets[i].rssi_thold = |
7112 | default_match_rssi; | |
7113 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7114 | if (rssi) | |
7115 | request->match_sets[i].rssi_thold = | |
7116 | nla_get_s32(rssi); | |
a1f1c21c LC |
7117 | } |
7118 | i++; | |
7119 | } | |
ea73cbce JB |
7120 | |
7121 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 7122 | if (i == 0 && n_match_sets) |
ea73cbce JB |
7123 | request->match_sets[0].rssi_thold = default_match_rssi; |
7124 | ||
7125 | request->min_rssi_thold = INT_MAX; | |
7126 | for (i = 0; i < n_match_sets; i++) | |
7127 | request->min_rssi_thold = | |
7128 | min(request->match_sets[i].rssi_thold, | |
7129 | request->min_rssi_thold); | |
7130 | } else { | |
7131 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
7132 | } |
7133 | ||
9900e484 JB |
7134 | if (ie_len) { |
7135 | request->ie_len = ie_len; | |
807f8a8c | 7136 | memcpy((void *)request->ie, |
256da02d | 7137 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
7138 | request->ie_len); |
7139 | } | |
7140 | ||
256da02d | 7141 | if (attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 | 7142 | request->flags = nla_get_u32( |
256da02d | 7143 | attrs[NL80211_ATTR_SCAN_FLAGS]); |
00c3a6ed JB |
7144 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
7145 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
7146 | err = -EOPNOTSUPP; |
7147 | goto out_free; | |
7148 | } | |
ad2b26ab JB |
7149 | |
7150 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
7151 | u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
7152 | ||
7153 | if (!wdev) /* must be net-detect */ | |
7154 | flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
7155 | ||
7156 | if (!(wiphy->features & flg)) { | |
7157 | err = -EOPNOTSUPP; | |
7158 | goto out_free; | |
7159 | } | |
7160 | ||
7161 | if (wdev && wdev->current_bss) { | |
7162 | err = -EOPNOTSUPP; | |
7163 | goto out_free; | |
7164 | } | |
7165 | ||
7166 | err = nl80211_parse_random_mac(attrs, request->mac_addr, | |
7167 | request->mac_addr_mask); | |
7168 | if (err) | |
7169 | goto out_free; | |
7170 | } | |
46856bbf | 7171 | } |
ed473771 | 7172 | |
9c748934 LC |
7173 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
7174 | request->delay = | |
7175 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
7176 | ||
3b06d277 AS |
7177 | err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); |
7178 | if (err) | |
7179 | goto out_free; | |
7180 | ||
15d6030b | 7181 | request->scan_start = jiffies; |
807f8a8c | 7182 | |
256da02d | 7183 | return request; |
807f8a8c LC |
7184 | |
7185 | out_free: | |
7186 | kfree(request); | |
256da02d LC |
7187 | return ERR_PTR(err); |
7188 | } | |
7189 | ||
7190 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
7191 | struct genl_info *info) | |
7192 | { | |
7193 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7194 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 7195 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 7196 | struct cfg80211_sched_scan_request *sched_scan_req; |
256da02d LC |
7197 | int err; |
7198 | ||
7199 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
7200 | !rdev->ops->sched_scan_start) | |
7201 | return -EOPNOTSUPP; | |
7202 | ||
7203 | if (rdev->sched_scan_req) | |
7204 | return -EINPROGRESS; | |
7205 | ||
31a60ed1 JR |
7206 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
7207 | info->attrs); | |
7208 | ||
7209 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
7210 | if (err) |
7211 | goto out_err; | |
7212 | ||
31a60ed1 | 7213 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
7214 | if (err) |
7215 | goto out_free; | |
7216 | ||
31a60ed1 JR |
7217 | sched_scan_req->dev = dev; |
7218 | sched_scan_req->wiphy = &rdev->wiphy; | |
7219 | ||
93a1e86c JR |
7220 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
7221 | sched_scan_req->owner_nlportid = info->snd_portid; | |
7222 | ||
31a60ed1 | 7223 | rcu_assign_pointer(rdev->sched_scan_req, sched_scan_req); |
256da02d LC |
7224 | |
7225 | nl80211_send_sched_scan(rdev, dev, | |
7226 | NL80211_CMD_START_SCHED_SCAN); | |
7227 | return 0; | |
7228 | ||
7229 | out_free: | |
31a60ed1 | 7230 | kfree(sched_scan_req); |
256da02d | 7231 | out_err: |
807f8a8c LC |
7232 | return err; |
7233 | } | |
7234 | ||
7235 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
7236 | struct genl_info *info) | |
7237 | { | |
7238 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7239 | ||
7240 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
7241 | !rdev->ops->sched_scan_stop) | |
7242 | return -EOPNOTSUPP; | |
7243 | ||
5fe231e8 | 7244 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
7245 | } |
7246 | ||
04f39047 SW |
7247 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
7248 | struct genl_info *info) | |
7249 | { | |
7250 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7251 | struct net_device *dev = info->user_ptr[1]; | |
7252 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7253 | struct cfg80211_chan_def chandef; | |
55f7435c | 7254 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 7255 | unsigned int cac_time_ms; |
04f39047 SW |
7256 | int err; |
7257 | ||
55f7435c LR |
7258 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
7259 | if (dfs_region == NL80211_DFS_UNSET) | |
7260 | return -EINVAL; | |
7261 | ||
04f39047 SW |
7262 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7263 | if (err) | |
7264 | return err; | |
7265 | ||
ff311bc1 SW |
7266 | if (netif_carrier_ok(dev)) |
7267 | return -EBUSY; | |
7268 | ||
04f39047 SW |
7269 | if (wdev->cac_started) |
7270 | return -EBUSY; | |
7271 | ||
2beb6dab | 7272 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 7273 | wdev->iftype); |
04f39047 SW |
7274 | if (err < 0) |
7275 | return err; | |
7276 | ||
7277 | if (err == 0) | |
7278 | return -EINVAL; | |
7279 | ||
fe7c3a1f | 7280 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
7281 | return -EINVAL; |
7282 | ||
7283 | if (!rdev->ops->start_radar_detection) | |
7284 | return -EOPNOTSUPP; | |
7285 | ||
31559f35 JD |
7286 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
7287 | if (WARN_ON(!cac_time_ms)) | |
7288 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
7289 | ||
a1056b1b | 7290 | err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms); |
04f39047 | 7291 | if (!err) { |
9e0e2961 | 7292 | wdev->chandef = chandef; |
04f39047 SW |
7293 | wdev->cac_started = true; |
7294 | wdev->cac_start_time = jiffies; | |
31559f35 | 7295 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 7296 | } |
04f39047 SW |
7297 | return err; |
7298 | } | |
7299 | ||
16ef1fe2 SW |
7300 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
7301 | { | |
7302 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7303 | struct net_device *dev = info->user_ptr[1]; | |
7304 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7305 | struct cfg80211_csa_settings params; | |
7306 | /* csa_attrs is defined static to avoid waste of stack size - this | |
7307 | * function is called under RTNL lock, so this should not be a problem. | |
7308 | */ | |
7309 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 7310 | int err; |
ee4bc9e7 | 7311 | bool need_new_beacon = false; |
9a774c78 | 7312 | int len, i; |
252e07ca | 7313 | u32 cs_count; |
16ef1fe2 SW |
7314 | |
7315 | if (!rdev->ops->channel_switch || | |
7316 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
7317 | return -EOPNOTSUPP; | |
7318 | ||
ee4bc9e7 SW |
7319 | switch (dev->ieee80211_ptr->iftype) { |
7320 | case NL80211_IFTYPE_AP: | |
7321 | case NL80211_IFTYPE_P2P_GO: | |
7322 | need_new_beacon = true; | |
7323 | ||
7324 | /* useless if AP is not running */ | |
7325 | if (!wdev->beacon_interval) | |
1ff79dfa | 7326 | return -ENOTCONN; |
ee4bc9e7 SW |
7327 | break; |
7328 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
7329 | if (!wdev->ssid_len) |
7330 | return -ENOTCONN; | |
7331 | break; | |
c6da674a | 7332 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
7333 | if (!wdev->mesh_id_len) |
7334 | return -ENOTCONN; | |
ee4bc9e7 SW |
7335 | break; |
7336 | default: | |
16ef1fe2 | 7337 | return -EOPNOTSUPP; |
ee4bc9e7 | 7338 | } |
16ef1fe2 SW |
7339 | |
7340 | memset(¶ms, 0, sizeof(params)); | |
7341 | ||
7342 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7343 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
7344 | return -EINVAL; | |
7345 | ||
7346 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 7347 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
7348 | return -EINVAL; |
7349 | ||
252e07ca LC |
7350 | /* Even though the attribute is u32, the specification says |
7351 | * u8, so let's make sure we don't overflow. | |
7352 | */ | |
7353 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
7354 | if (cs_count > 255) | |
7355 | return -EINVAL; | |
7356 | ||
7357 | params.count = cs_count; | |
16ef1fe2 | 7358 | |
ee4bc9e7 SW |
7359 | if (!need_new_beacon) |
7360 | goto skip_beacons; | |
7361 | ||
16ef1fe2 SW |
7362 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
7363 | if (err) | |
7364 | return err; | |
7365 | ||
7366 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
7367 | info->attrs[NL80211_ATTR_CSA_IES], | |
7368 | nl80211_policy); | |
7369 | if (err) | |
7370 | return err; | |
7371 | ||
7372 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
7373 | if (err) | |
7374 | return err; | |
7375 | ||
7376 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
7377 | return -EINVAL; | |
7378 | ||
9a774c78 AO |
7379 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
7380 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7381 | return -EINVAL; |
7382 | ||
9a774c78 AO |
7383 | params.n_counter_offsets_beacon = len / sizeof(u16); |
7384 | if (rdev->wiphy.max_num_csa_counters && | |
7385 | (params.n_counter_offsets_beacon > | |
7386 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
7387 | return -EINVAL; |
7388 | ||
9a774c78 AO |
7389 | params.counter_offsets_beacon = |
7390 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
7391 | ||
7392 | /* sanity checks - counters should fit and be the same */ | |
7393 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
7394 | u16 offset = params.counter_offsets_beacon[i]; | |
7395 | ||
7396 | if (offset >= params.beacon_csa.tail_len) | |
7397 | return -EINVAL; | |
7398 | ||
7399 | if (params.beacon_csa.tail[offset] != params.count) | |
7400 | return -EINVAL; | |
7401 | } | |
7402 | ||
16ef1fe2 | 7403 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
7404 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
7405 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7406 | return -EINVAL; |
7407 | ||
9a774c78 AO |
7408 | params.n_counter_offsets_presp = len / sizeof(u16); |
7409 | if (rdev->wiphy.max_num_csa_counters && | |
ad5987b4 | 7410 | (params.n_counter_offsets_presp > |
9a774c78 | 7411 | rdev->wiphy.max_num_csa_counters)) |
16ef1fe2 | 7412 | return -EINVAL; |
9a774c78 AO |
7413 | |
7414 | params.counter_offsets_presp = | |
7415 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
7416 | ||
7417 | /* sanity checks - counters should fit and be the same */ | |
7418 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
7419 | u16 offset = params.counter_offsets_presp[i]; | |
7420 | ||
7421 | if (offset >= params.beacon_csa.probe_resp_len) | |
7422 | return -EINVAL; | |
7423 | ||
7424 | if (params.beacon_csa.probe_resp[offset] != | |
7425 | params.count) | |
7426 | return -EINVAL; | |
7427 | } | |
16ef1fe2 SW |
7428 | } |
7429 | ||
ee4bc9e7 | 7430 | skip_beacons: |
16ef1fe2 SW |
7431 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
7432 | if (err) | |
7433 | return err; | |
7434 | ||
923b352f AN |
7435 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
7436 | wdev->iftype)) | |
16ef1fe2 SW |
7437 | return -EINVAL; |
7438 | ||
2beb6dab LC |
7439 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
7440 | ¶ms.chandef, | |
7441 | wdev->iftype); | |
7442 | if (err < 0) | |
7443 | return err; | |
7444 | ||
dcc6c2f5 | 7445 | if (err > 0) |
2beb6dab | 7446 | params.radar_required = true; |
16ef1fe2 | 7447 | |
16ef1fe2 SW |
7448 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
7449 | params.block_tx = true; | |
7450 | ||
c56589ed SW |
7451 | wdev_lock(wdev); |
7452 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
7453 | wdev_unlock(wdev); | |
7454 | ||
7455 | return err; | |
16ef1fe2 SW |
7456 | } |
7457 | ||
9720bb3a JB |
7458 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
7459 | u32 seq, int flags, | |
2a519311 | 7460 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
7461 | struct wireless_dev *wdev, |
7462 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 7463 | { |
48ab905d | 7464 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 7465 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
7466 | void *hdr; |
7467 | struct nlattr *bss; | |
48ab905d JB |
7468 | |
7469 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 7470 | |
15e47304 | 7471 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
7472 | NL80211_CMD_NEW_SCAN_RESULTS); |
7473 | if (!hdr) | |
7474 | return -1; | |
7475 | ||
9720bb3a JB |
7476 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
7477 | ||
97990a06 JB |
7478 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
7479 | goto nla_put_failure; | |
7480 | if (wdev->netdev && | |
9360ffd1 DM |
7481 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
7482 | goto nla_put_failure; | |
2dad624e ND |
7483 | if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
7484 | NL80211_ATTR_PAD)) | |
97990a06 | 7485 | goto nla_put_failure; |
2a519311 JB |
7486 | |
7487 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
7488 | if (!bss) | |
7489 | goto nla_put_failure; | |
9360ffd1 | 7490 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 7491 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 7492 | goto nla_put_failure; |
9caf0364 JB |
7493 | |
7494 | rcu_read_lock(); | |
0e227084 JB |
7495 | /* indicate whether we have probe response data or not */ |
7496 | if (rcu_access_pointer(res->proberesp_ies) && | |
7497 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
7498 | goto fail_unlock_rcu; | |
7499 | ||
7500 | /* this pointer prefers to be pointed to probe response data | |
7501 | * but is always valid | |
7502 | */ | |
9caf0364 | 7503 | ies = rcu_dereference(res->ies); |
8cef2c9d | 7504 | if (ies) { |
2dad624e ND |
7505 | if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf, |
7506 | NL80211_BSS_PAD)) | |
8cef2c9d | 7507 | goto fail_unlock_rcu; |
8cef2c9d JB |
7508 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
7509 | ies->len, ies->data)) | |
7510 | goto fail_unlock_rcu; | |
9caf0364 | 7511 | } |
0e227084 JB |
7512 | |
7513 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 7514 | ies = rcu_dereference(res->beacon_ies); |
0e227084 | 7515 | if (ies && ies->from_beacon) { |
2dad624e ND |
7516 | if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf, |
7517 | NL80211_BSS_PAD)) | |
8cef2c9d JB |
7518 | goto fail_unlock_rcu; |
7519 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
7520 | ies->len, ies->data)) | |
7521 | goto fail_unlock_rcu; | |
9caf0364 JB |
7522 | } |
7523 | rcu_read_unlock(); | |
7524 | ||
9360ffd1 DM |
7525 | if (res->beacon_interval && |
7526 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
7527 | goto nla_put_failure; | |
7528 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
7529 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 7530 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
7531 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
7532 | jiffies_to_msecs(jiffies - intbss->ts))) | |
7533 | goto nla_put_failure; | |
2a519311 | 7534 | |
1d76250b AS |
7535 | if (intbss->parent_tsf && |
7536 | (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF, | |
7537 | intbss->parent_tsf, NL80211_BSS_PAD) || | |
7538 | nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN, | |
7539 | intbss->parent_bssid))) | |
7540 | goto nla_put_failure; | |
7541 | ||
6e19bc4b | 7542 | if (intbss->ts_boottime && |
2dad624e ND |
7543 | nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, |
7544 | intbss->ts_boottime, NL80211_BSS_PAD)) | |
6e19bc4b DS |
7545 | goto nla_put_failure; |
7546 | ||
77965c97 | 7547 | switch (rdev->wiphy.signal_type) { |
2a519311 | 7548 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
7549 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
7550 | goto nla_put_failure; | |
2a519311 JB |
7551 | break; |
7552 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
7553 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
7554 | goto nla_put_failure; | |
2a519311 JB |
7555 | break; |
7556 | default: | |
7557 | break; | |
7558 | } | |
7559 | ||
48ab905d | 7560 | switch (wdev->iftype) { |
074ac8df | 7561 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 7562 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
7563 | if (intbss == wdev->current_bss && |
7564 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7565 | NL80211_BSS_STATUS_ASSOCIATED)) | |
7566 | goto nla_put_failure; | |
48ab905d JB |
7567 | break; |
7568 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
7569 | if (intbss == wdev->current_bss && |
7570 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7571 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
7572 | goto nla_put_failure; | |
48ab905d JB |
7573 | break; |
7574 | default: | |
7575 | break; | |
7576 | } | |
7577 | ||
2a519311 JB |
7578 | nla_nest_end(msg, bss); |
7579 | ||
053c095a JB |
7580 | genlmsg_end(msg, hdr); |
7581 | return 0; | |
2a519311 | 7582 | |
8cef2c9d JB |
7583 | fail_unlock_rcu: |
7584 | rcu_read_unlock(); | |
2a519311 JB |
7585 | nla_put_failure: |
7586 | genlmsg_cancel(msg, hdr); | |
7587 | return -EMSGSIZE; | |
7588 | } | |
7589 | ||
97990a06 | 7590 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 7591 | { |
48ab905d | 7592 | struct cfg80211_registered_device *rdev; |
2a519311 | 7593 | struct cfg80211_internal_bss *scan; |
48ab905d | 7594 | struct wireless_dev *wdev; |
97990a06 | 7595 | int start = cb->args[2], idx = 0; |
2a519311 JB |
7596 | int err; |
7597 | ||
97990a06 | 7598 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7599 | if (err) |
7600 | return err; | |
2a519311 | 7601 | |
48ab905d JB |
7602 | wdev_lock(wdev); |
7603 | spin_lock_bh(&rdev->bss_lock); | |
7604 | cfg80211_bss_expire(rdev); | |
7605 | ||
9720bb3a JB |
7606 | cb->seq = rdev->bss_generation; |
7607 | ||
48ab905d | 7608 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
7609 | if (++idx <= start) |
7610 | continue; | |
9720bb3a | 7611 | if (nl80211_send_bss(skb, cb, |
2a519311 | 7612 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 7613 | rdev, wdev, scan) < 0) { |
2a519311 | 7614 | idx--; |
67748893 | 7615 | break; |
2a519311 JB |
7616 | } |
7617 | } | |
7618 | ||
48ab905d JB |
7619 | spin_unlock_bh(&rdev->bss_lock); |
7620 | wdev_unlock(wdev); | |
2a519311 | 7621 | |
97990a06 JB |
7622 | cb->args[2] = idx; |
7623 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 7624 | |
67748893 | 7625 | return skb->len; |
2a519311 JB |
7626 | } |
7627 | ||
15e47304 | 7628 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
7629 | int flags, struct net_device *dev, |
7630 | bool allow_radio_stats, | |
7631 | struct survey_info *survey) | |
61fa713c HS |
7632 | { |
7633 | void *hdr; | |
7634 | struct nlattr *infoattr; | |
7635 | ||
11f78ac3 JB |
7636 | /* skip radio stats if userspace didn't request them */ |
7637 | if (!survey->channel && !allow_radio_stats) | |
7638 | return 0; | |
7639 | ||
15e47304 | 7640 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
7641 | NL80211_CMD_NEW_SURVEY_RESULTS); |
7642 | if (!hdr) | |
7643 | return -ENOMEM; | |
7644 | ||
9360ffd1 DM |
7645 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
7646 | goto nla_put_failure; | |
61fa713c HS |
7647 | |
7648 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
7649 | if (!infoattr) | |
7650 | goto nla_put_failure; | |
7651 | ||
11f78ac3 JB |
7652 | if (survey->channel && |
7653 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
7654 | survey->channel->center_freq)) |
7655 | goto nla_put_failure; | |
7656 | ||
7657 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
7658 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
7659 | goto nla_put_failure; | |
7660 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
7661 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
7662 | goto nla_put_failure; | |
4ed20beb | 7663 | if ((survey->filled & SURVEY_INFO_TIME) && |
2dad624e ND |
7664 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME, |
7665 | survey->time, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7666 | goto nla_put_failure; |
4ed20beb | 7667 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
2dad624e ND |
7668 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY, |
7669 | survey->time_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7670 | goto nla_put_failure; |
4ed20beb | 7671 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
2dad624e ND |
7672 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, |
7673 | survey->time_ext_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7674 | goto nla_put_failure; |
4ed20beb | 7675 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
2dad624e ND |
7676 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX, |
7677 | survey->time_rx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7678 | goto nla_put_failure; |
4ed20beb | 7679 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
2dad624e ND |
7680 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX, |
7681 | survey->time_tx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7682 | goto nla_put_failure; |
052536ab | 7683 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
2dad624e ND |
7684 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN, |
7685 | survey->time_scan, NL80211_SURVEY_INFO_PAD)) | |
052536ab | 7686 | goto nla_put_failure; |
61fa713c HS |
7687 | |
7688 | nla_nest_end(msg, infoattr); | |
7689 | ||
053c095a JB |
7690 | genlmsg_end(msg, hdr); |
7691 | return 0; | |
61fa713c HS |
7692 | |
7693 | nla_put_failure: | |
7694 | genlmsg_cancel(msg, hdr); | |
7695 | return -EMSGSIZE; | |
7696 | } | |
7697 | ||
11f78ac3 | 7698 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c | 7699 | { |
c90c39da | 7700 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
61fa713c | 7701 | struct survey_info survey; |
1b8ec87a | 7702 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
7703 | struct wireless_dev *wdev; |
7704 | int survey_idx = cb->args[2]; | |
61fa713c | 7705 | int res; |
11f78ac3 | 7706 | bool radio_stats; |
61fa713c | 7707 | |
1b8ec87a | 7708 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7709 | if (res) |
7710 | return res; | |
61fa713c | 7711 | |
11f78ac3 | 7712 | /* prepare_wdev_dump parsed the attributes */ |
c90c39da | 7713 | radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; |
11f78ac3 | 7714 | |
97990a06 JB |
7715 | if (!wdev->netdev) { |
7716 | res = -EINVAL; | |
7717 | goto out_err; | |
7718 | } | |
7719 | ||
1b8ec87a | 7720 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
7721 | res = -EOPNOTSUPP; |
7722 | goto out_err; | |
7723 | } | |
7724 | ||
7725 | while (1) { | |
1b8ec87a | 7726 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
7727 | if (res == -ENOENT) |
7728 | break; | |
7729 | if (res) | |
7730 | goto out_err; | |
7731 | ||
11f78ac3 JB |
7732 | /* don't send disabled channels, but do send non-channel data */ |
7733 | if (survey.channel && | |
7734 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
7735 | survey_idx++; |
7736 | continue; | |
7737 | } | |
7738 | ||
61fa713c | 7739 | if (nl80211_send_survey(skb, |
15e47304 | 7740 | NETLINK_CB(cb->skb).portid, |
61fa713c | 7741 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 7742 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
7743 | goto out; |
7744 | survey_idx++; | |
7745 | } | |
7746 | ||
7747 | out: | |
97990a06 | 7748 | cb->args[2] = survey_idx; |
61fa713c HS |
7749 | res = skb->len; |
7750 | out_err: | |
1b8ec87a | 7751 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
7752 | return res; |
7753 | } | |
7754 | ||
b23aa676 SO |
7755 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
7756 | { | |
7757 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
7758 | NL80211_WPA_VERSION_2)); | |
7759 | } | |
7760 | ||
636a5d36 JM |
7761 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
7762 | { | |
4c476991 JB |
7763 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7764 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7765 | struct ieee80211_channel *chan; |
11b6b5a4 JM |
7766 | const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL; |
7767 | int err, ssid_len, ie_len = 0, auth_data_len = 0; | |
19957bb3 | 7768 | enum nl80211_auth_type auth_type; |
fffd0934 | 7769 | struct key_parse key; |
d5cdfacb | 7770 | bool local_state_change; |
636a5d36 | 7771 | |
f4a11bb0 JB |
7772 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7773 | return -EINVAL; | |
7774 | ||
7775 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7776 | return -EINVAL; | |
7777 | ||
1778092e JM |
7778 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
7779 | return -EINVAL; | |
7780 | ||
19957bb3 JB |
7781 | if (!info->attrs[NL80211_ATTR_SSID]) |
7782 | return -EINVAL; | |
7783 | ||
7784 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7785 | return -EINVAL; | |
7786 | ||
fffd0934 JB |
7787 | err = nl80211_parse_key(info, &key); |
7788 | if (err) | |
7789 | return err; | |
7790 | ||
7791 | if (key.idx >= 0) { | |
e31b8213 JB |
7792 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
7793 | return -EINVAL; | |
fffd0934 JB |
7794 | if (!key.p.key || !key.p.key_len) |
7795 | return -EINVAL; | |
7796 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
7797 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
7798 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
7799 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
7800 | return -EINVAL; | |
b6b5555b | 7801 | if (key.idx > 3) |
fffd0934 JB |
7802 | return -EINVAL; |
7803 | } else { | |
7804 | key.p.key_len = 0; | |
7805 | key.p.key = NULL; | |
7806 | } | |
7807 | ||
afea0b7a JB |
7808 | if (key.idx >= 0) { |
7809 | int i; | |
7810 | bool ok = false; | |
7a087e74 | 7811 | |
afea0b7a JB |
7812 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
7813 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
7814 | ok = true; | |
7815 | break; | |
7816 | } | |
7817 | } | |
4c476991 JB |
7818 | if (!ok) |
7819 | return -EINVAL; | |
afea0b7a JB |
7820 | } |
7821 | ||
4c476991 JB |
7822 | if (!rdev->ops->auth) |
7823 | return -EOPNOTSUPP; | |
636a5d36 | 7824 | |
074ac8df | 7825 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7826 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7827 | return -EOPNOTSUPP; | |
eec60b03 | 7828 | |
19957bb3 | 7829 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
7830 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7831 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7832 | if (!chan) | |
4c476991 | 7833 | return -EINVAL; |
636a5d36 | 7834 | |
19957bb3 JB |
7835 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7836 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7837 | |
7838 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7839 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7840 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7841 | } |
7842 | ||
19957bb3 | 7843 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 7844 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 7845 | return -EINVAL; |
636a5d36 | 7846 | |
63181060 JM |
7847 | if ((auth_type == NL80211_AUTHTYPE_SAE || |
7848 | auth_type == NL80211_AUTHTYPE_FILS_SK || | |
7849 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
7850 | auth_type == NL80211_AUTHTYPE_FILS_PK) && | |
11b6b5a4 | 7851 | !info->attrs[NL80211_ATTR_AUTH_DATA]) |
e39e5b5e JM |
7852 | return -EINVAL; |
7853 | ||
11b6b5a4 | 7854 | if (info->attrs[NL80211_ATTR_AUTH_DATA]) { |
63181060 JM |
7855 | if (auth_type != NL80211_AUTHTYPE_SAE && |
7856 | auth_type != NL80211_AUTHTYPE_FILS_SK && | |
7857 | auth_type != NL80211_AUTHTYPE_FILS_SK_PFS && | |
7858 | auth_type != NL80211_AUTHTYPE_FILS_PK) | |
e39e5b5e | 7859 | return -EINVAL; |
11b6b5a4 JM |
7860 | auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]); |
7861 | auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]); | |
e39e5b5e | 7862 | /* need to include at least Auth Transaction and Status Code */ |
11b6b5a4 | 7863 | if (auth_data_len < 4) |
e39e5b5e JM |
7864 | return -EINVAL; |
7865 | } | |
7866 | ||
d5cdfacb JM |
7867 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7868 | ||
95de817b JB |
7869 | /* |
7870 | * Since we no longer track auth state, ignore | |
7871 | * requests to only change local state. | |
7872 | */ | |
7873 | if (local_state_change) | |
7874 | return 0; | |
7875 | ||
91bf9b26 JB |
7876 | wdev_lock(dev->ieee80211_ptr); |
7877 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
7878 | ssid, ssid_len, ie, ie_len, | |
7879 | key.p.key, key.p.key_len, key.idx, | |
11b6b5a4 | 7880 | auth_data, auth_data_len); |
91bf9b26 JB |
7881 | wdev_unlock(dev->ieee80211_ptr); |
7882 | return err; | |
636a5d36 JM |
7883 | } |
7884 | ||
c0692b8f JB |
7885 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
7886 | struct genl_info *info, | |
3dc27d25 JB |
7887 | struct cfg80211_crypto_settings *settings, |
7888 | int cipher_limit) | |
b23aa676 | 7889 | { |
c0b2bbd8 JB |
7890 | memset(settings, 0, sizeof(*settings)); |
7891 | ||
b23aa676 SO |
7892 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
7893 | ||
c0692b8f JB |
7894 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
7895 | u16 proto; | |
7a087e74 | 7896 | |
c0692b8f JB |
7897 | proto = nla_get_u16( |
7898 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
7899 | settings->control_port_ethertype = cpu_to_be16(proto); | |
7900 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
7901 | proto != ETH_P_PAE) | |
7902 | return -EINVAL; | |
7903 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
7904 | settings->control_port_no_encrypt = true; | |
7905 | } else | |
7906 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
7907 | ||
b23aa676 SO |
7908 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
7909 | void *data; | |
7910 | int len, i; | |
7911 | ||
7912 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7913 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7914 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
7915 | ||
7916 | if (len % sizeof(u32)) | |
7917 | return -EINVAL; | |
7918 | ||
3dc27d25 | 7919 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
7920 | return -EINVAL; |
7921 | ||
7922 | memcpy(settings->ciphers_pairwise, data, len); | |
7923 | ||
7924 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
7925 | if (!cfg80211_supported_cipher_suite( |
7926 | &rdev->wiphy, | |
b23aa676 SO |
7927 | settings->ciphers_pairwise[i])) |
7928 | return -EINVAL; | |
7929 | } | |
7930 | ||
7931 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
7932 | settings->cipher_group = | |
7933 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
7934 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
7935 | settings->cipher_group)) | |
b23aa676 SO |
7936 | return -EINVAL; |
7937 | } | |
7938 | ||
7939 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
7940 | settings->wpa_versions = | |
7941 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
7942 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
7943 | return -EINVAL; | |
7944 | } | |
7945 | ||
7946 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
7947 | void *data; | |
6d30240e | 7948 | int len; |
b23aa676 SO |
7949 | |
7950 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7951 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7952 | settings->n_akm_suites = len / sizeof(u32); | |
7953 | ||
7954 | if (len % sizeof(u32)) | |
7955 | return -EINVAL; | |
7956 | ||
1b9ca027 JM |
7957 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
7958 | return -EINVAL; | |
7959 | ||
b23aa676 | 7960 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
7961 | } |
7962 | ||
7963 | return 0; | |
7964 | } | |
7965 | ||
636a5d36 JM |
7966 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
7967 | { | |
4c476991 JB |
7968 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7969 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 7970 | struct ieee80211_channel *chan; |
f62fab73 JB |
7971 | struct cfg80211_assoc_request req = {}; |
7972 | const u8 *bssid, *ssid; | |
7973 | int err, ssid_len = 0; | |
636a5d36 | 7974 | |
f4a11bb0 JB |
7975 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7976 | return -EINVAL; | |
7977 | ||
7978 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
7979 | !info->attrs[NL80211_ATTR_SSID] || |
7980 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
7981 | return -EINVAL; |
7982 | ||
4c476991 JB |
7983 | if (!rdev->ops->assoc) |
7984 | return -EOPNOTSUPP; | |
636a5d36 | 7985 | |
074ac8df | 7986 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7987 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7988 | return -EOPNOTSUPP; | |
eec60b03 | 7989 | |
19957bb3 | 7990 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7991 | |
664834de JM |
7992 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7993 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7994 | if (!chan) | |
4c476991 | 7995 | return -EINVAL; |
636a5d36 | 7996 | |
19957bb3 JB |
7997 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7998 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7999 | |
8000 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
8001 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8002 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8003 | } |
8004 | ||
dc6382ce | 8005 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 8006 | enum nl80211_mfp mfp = |
dc6382ce | 8007 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 8008 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 8009 | req.use_mfp = true; |
4c476991 JB |
8010 | else if (mfp != NL80211_MFP_NO) |
8011 | return -EINVAL; | |
dc6382ce JM |
8012 | } |
8013 | ||
3e5d7649 | 8014 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 8015 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 8016 | |
7e7c8926 | 8017 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 8018 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
8019 | |
8020 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
8021 | memcpy(&req.ht_capa_mask, |
8022 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8023 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
8024 | |
8025 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 8026 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 8027 | return -EINVAL; |
f62fab73 JB |
8028 | memcpy(&req.ht_capa, |
8029 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8030 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
8031 | } |
8032 | ||
ee2aca34 | 8033 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 8034 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
8035 | |
8036 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
8037 | memcpy(&req.vht_capa_mask, |
8038 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8039 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
8040 | |
8041 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 8042 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 8043 | return -EINVAL; |
f62fab73 JB |
8044 | memcpy(&req.vht_capa, |
8045 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8046 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
8047 | } |
8048 | ||
bab5ab7d | 8049 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8050 | if (!((rdev->wiphy.features & |
8051 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8052 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8053 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8054 | NL80211_EXT_FEATURE_RRM)) | |
bab5ab7d AK |
8055 | return -EINVAL; |
8056 | req.flags |= ASSOC_REQ_USE_RRM; | |
8057 | } | |
8058 | ||
348bd456 JM |
8059 | if (info->attrs[NL80211_ATTR_FILS_KEK]) { |
8060 | req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8061 | req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8062 | if (!info->attrs[NL80211_ATTR_FILS_NONCES]) | |
8063 | return -EINVAL; | |
8064 | req.fils_nonces = | |
8065 | nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]); | |
8066 | } | |
8067 | ||
f62fab73 | 8068 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
8069 | if (!err) { |
8070 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
8071 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
8072 | ssid, ssid_len, &req); | |
91bf9b26 JB |
8073 | wdev_unlock(dev->ieee80211_ptr); |
8074 | } | |
636a5d36 | 8075 | |
636a5d36 JM |
8076 | return err; |
8077 | } | |
8078 | ||
8079 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
8080 | { | |
4c476991 JB |
8081 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8082 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8083 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8084 | int ie_len = 0, err; |
19957bb3 | 8085 | u16 reason_code; |
d5cdfacb | 8086 | bool local_state_change; |
636a5d36 | 8087 | |
f4a11bb0 JB |
8088 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8089 | return -EINVAL; | |
8090 | ||
8091 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8092 | return -EINVAL; | |
8093 | ||
8094 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8095 | return -EINVAL; | |
8096 | ||
4c476991 JB |
8097 | if (!rdev->ops->deauth) |
8098 | return -EOPNOTSUPP; | |
636a5d36 | 8099 | |
074ac8df | 8100 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8101 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8102 | return -EOPNOTSUPP; | |
eec60b03 | 8103 | |
19957bb3 | 8104 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8105 | |
19957bb3 JB |
8106 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8107 | if (reason_code == 0) { | |
f4a11bb0 | 8108 | /* Reason Code 0 is reserved */ |
4c476991 | 8109 | return -EINVAL; |
255e737e | 8110 | } |
636a5d36 JM |
8111 | |
8112 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8113 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8114 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8115 | } |
8116 | ||
d5cdfacb JM |
8117 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8118 | ||
91bf9b26 JB |
8119 | wdev_lock(dev->ieee80211_ptr); |
8120 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
8121 | local_state_change); | |
8122 | wdev_unlock(dev->ieee80211_ptr); | |
8123 | return err; | |
636a5d36 JM |
8124 | } |
8125 | ||
8126 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
8127 | { | |
4c476991 JB |
8128 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8129 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8130 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8131 | int ie_len = 0, err; |
19957bb3 | 8132 | u16 reason_code; |
d5cdfacb | 8133 | bool local_state_change; |
636a5d36 | 8134 | |
f4a11bb0 JB |
8135 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8136 | return -EINVAL; | |
8137 | ||
8138 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8139 | return -EINVAL; | |
8140 | ||
8141 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8142 | return -EINVAL; | |
8143 | ||
4c476991 JB |
8144 | if (!rdev->ops->disassoc) |
8145 | return -EOPNOTSUPP; | |
636a5d36 | 8146 | |
074ac8df | 8147 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8148 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8149 | return -EOPNOTSUPP; | |
eec60b03 | 8150 | |
19957bb3 | 8151 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8152 | |
19957bb3 JB |
8153 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8154 | if (reason_code == 0) { | |
f4a11bb0 | 8155 | /* Reason Code 0 is reserved */ |
4c476991 | 8156 | return -EINVAL; |
255e737e | 8157 | } |
636a5d36 JM |
8158 | |
8159 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8160 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8161 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8162 | } |
8163 | ||
d5cdfacb JM |
8164 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8165 | ||
91bf9b26 JB |
8166 | wdev_lock(dev->ieee80211_ptr); |
8167 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
8168 | local_state_change); | |
8169 | wdev_unlock(dev->ieee80211_ptr); | |
8170 | return err; | |
636a5d36 JM |
8171 | } |
8172 | ||
dd5b4cc7 FF |
8173 | static bool |
8174 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
57fbcce3 | 8175 | int mcast_rate[NUM_NL80211_BANDS], |
dd5b4cc7 FF |
8176 | int rateval) |
8177 | { | |
8178 | struct wiphy *wiphy = &rdev->wiphy; | |
8179 | bool found = false; | |
8180 | int band, i; | |
8181 | ||
57fbcce3 | 8182 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
dd5b4cc7 FF |
8183 | struct ieee80211_supported_band *sband; |
8184 | ||
8185 | sband = wiphy->bands[band]; | |
8186 | if (!sband) | |
8187 | continue; | |
8188 | ||
8189 | for (i = 0; i < sband->n_bitrates; i++) { | |
8190 | if (sband->bitrates[i].bitrate == rateval) { | |
8191 | mcast_rate[band] = i + 1; | |
8192 | found = true; | |
8193 | break; | |
8194 | } | |
8195 | } | |
8196 | } | |
8197 | ||
8198 | return found; | |
8199 | } | |
8200 | ||
04a773ad JB |
8201 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
8202 | { | |
4c476991 JB |
8203 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8204 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
8205 | struct cfg80211_ibss_params ibss; |
8206 | struct wiphy *wiphy; | |
fffd0934 | 8207 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
8208 | int err; |
8209 | ||
8e30bc55 JB |
8210 | memset(&ibss, 0, sizeof(ibss)); |
8211 | ||
04a773ad JB |
8212 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8213 | return -EINVAL; | |
8214 | ||
683b6d3b | 8215 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
8216 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
8217 | return -EINVAL; | |
8218 | ||
8e30bc55 JB |
8219 | ibss.beacon_interval = 100; |
8220 | ||
12d20fc9 | 8221 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) |
8e30bc55 JB |
8222 | ibss.beacon_interval = |
8223 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 8224 | |
0c317a02 PK |
8225 | err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC, |
8226 | ibss.beacon_interval); | |
12d20fc9 PK |
8227 | if (err) |
8228 | return err; | |
8e30bc55 | 8229 | |
4c476991 JB |
8230 | if (!rdev->ops->join_ibss) |
8231 | return -EOPNOTSUPP; | |
04a773ad | 8232 | |
4c476991 JB |
8233 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8234 | return -EOPNOTSUPP; | |
04a773ad | 8235 | |
79c97e97 | 8236 | wiphy = &rdev->wiphy; |
04a773ad | 8237 | |
39193498 | 8238 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 8239 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
8240 | |
8241 | if (!is_valid_ether_addr(ibss.bssid)) | |
8242 | return -EINVAL; | |
8243 | } | |
04a773ad JB |
8244 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8245 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8246 | ||
8247 | if (info->attrs[NL80211_ATTR_IE]) { | |
8248 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8249 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8250 | } | |
8251 | ||
683b6d3b JB |
8252 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
8253 | if (err) | |
8254 | return err; | |
04a773ad | 8255 | |
174e0cd2 IP |
8256 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
8257 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
8258 | return -EINVAL; |
8259 | ||
2f301ab2 | 8260 | switch (ibss.chandef.width) { |
bf372645 SW |
8261 | case NL80211_CHAN_WIDTH_5: |
8262 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
8263 | case NL80211_CHAN_WIDTH_20_NOHT: |
8264 | break; | |
8265 | case NL80211_CHAN_WIDTH_20: | |
8266 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
8267 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
8268 | return -EINVAL; | |
8269 | break; | |
8270 | case NL80211_CHAN_WIDTH_80: | |
8271 | case NL80211_CHAN_WIDTH_80P80: | |
8272 | case NL80211_CHAN_WIDTH_160: | |
8273 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
8274 | return -EINVAL; | |
8275 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
8276 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
8277 | return -EINVAL; | |
8278 | break; | |
2f301ab2 | 8279 | default: |
c04d6150 | 8280 | return -EINVAL; |
2f301ab2 | 8281 | } |
db9c64cf | 8282 | |
04a773ad | 8283 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
8284 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
8285 | ||
fbd2c8dc TP |
8286 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8287 | u8 *rates = | |
8288 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8289 | int n_rates = | |
8290 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8291 | struct ieee80211_supported_band *sband = | |
683b6d3b | 8292 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 8293 | |
34850ab2 JB |
8294 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
8295 | &ibss.basic_rates); | |
8296 | if (err) | |
8297 | return err; | |
fbd2c8dc | 8298 | } |
dd5b4cc7 | 8299 | |
803768f5 SW |
8300 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
8301 | memcpy(&ibss.ht_capa_mask, | |
8302 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8303 | sizeof(ibss.ht_capa_mask)); | |
8304 | ||
8305 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
8306 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8307 | return -EINVAL; | |
8308 | memcpy(&ibss.ht_capa, | |
8309 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8310 | sizeof(ibss.ht_capa)); | |
8311 | } | |
8312 | ||
dd5b4cc7 FF |
8313 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8314 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
8315 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8316 | return -EINVAL; | |
fbd2c8dc | 8317 | |
4c476991 | 8318 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
8319 | bool no_ht = false; |
8320 | ||
4c476991 | 8321 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
8322 | info->attrs[NL80211_ATTR_KEYS], |
8323 | &no_ht); | |
4c476991 JB |
8324 | if (IS_ERR(connkeys)) |
8325 | return PTR_ERR(connkeys); | |
de7044ee | 8326 | |
3d9d1d66 JB |
8327 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
8328 | no_ht) { | |
5e950a78 | 8329 | kzfree(connkeys); |
de7044ee SM |
8330 | return -EINVAL; |
8331 | } | |
4c476991 | 8332 | } |
04a773ad | 8333 | |
267335d6 AQ |
8334 | ibss.control_port = |
8335 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
8336 | ||
5336fa88 SW |
8337 | ibss.userspace_handles_dfs = |
8338 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
8339 | ||
4c476991 | 8340 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 8341 | if (err) |
b47f610b | 8342 | kzfree(connkeys); |
04a773ad JB |
8343 | return err; |
8344 | } | |
8345 | ||
8346 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
8347 | { | |
4c476991 JB |
8348 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8349 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 8350 | |
4c476991 JB |
8351 | if (!rdev->ops->leave_ibss) |
8352 | return -EOPNOTSUPP; | |
04a773ad | 8353 | |
4c476991 JB |
8354 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8355 | return -EOPNOTSUPP; | |
04a773ad | 8356 | |
4c476991 | 8357 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
8358 | } |
8359 | ||
f4e583c8 AQ |
8360 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
8361 | { | |
8362 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8363 | struct net_device *dev = info->user_ptr[1]; | |
57fbcce3 | 8364 | int mcast_rate[NUM_NL80211_BANDS]; |
f4e583c8 AQ |
8365 | u32 nla_rate; |
8366 | int err; | |
8367 | ||
8368 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
8369 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
8370 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
8371 | return -EOPNOTSUPP; |
8372 | ||
8373 | if (!rdev->ops->set_mcast_rate) | |
8374 | return -EOPNOTSUPP; | |
8375 | ||
8376 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
8377 | ||
8378 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
8379 | return -EINVAL; | |
8380 | ||
8381 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
8382 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
8383 | return -EINVAL; | |
8384 | ||
a1056b1b | 8385 | err = rdev_set_mcast_rate(rdev, dev, mcast_rate); |
f4e583c8 AQ |
8386 | |
8387 | return err; | |
8388 | } | |
8389 | ||
ad7e718c JB |
8390 | static struct sk_buff * |
8391 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
8392 | struct wireless_dev *wdev, int approxlen, |
8393 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
8394 | enum nl80211_attrs attr, |
8395 | const struct nl80211_vendor_cmd_info *info, | |
8396 | gfp_t gfp) | |
ad7e718c JB |
8397 | { |
8398 | struct sk_buff *skb; | |
8399 | void *hdr; | |
8400 | struct nlattr *data; | |
8401 | ||
8402 | skb = nlmsg_new(approxlen + 100, gfp); | |
8403 | if (!skb) | |
8404 | return NULL; | |
8405 | ||
8406 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
8407 | if (!hdr) { | |
8408 | kfree_skb(skb); | |
8409 | return NULL; | |
8410 | } | |
8411 | ||
8412 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
8413 | goto nla_put_failure; | |
567ffc35 JB |
8414 | |
8415 | if (info) { | |
8416 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
8417 | info->vendor_id)) | |
8418 | goto nla_put_failure; | |
8419 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
8420 | info->subcmd)) | |
8421 | goto nla_put_failure; | |
8422 | } | |
8423 | ||
6c09e791 | 8424 | if (wdev) { |
2dad624e ND |
8425 | if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
8426 | wdev_id(wdev), NL80211_ATTR_PAD)) | |
6c09e791 AK |
8427 | goto nla_put_failure; |
8428 | if (wdev->netdev && | |
8429 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
8430 | wdev->netdev->ifindex)) | |
8431 | goto nla_put_failure; | |
8432 | } | |
8433 | ||
ad7e718c | 8434 | data = nla_nest_start(skb, attr); |
76e1fb4b JB |
8435 | if (!data) |
8436 | goto nla_put_failure; | |
ad7e718c JB |
8437 | |
8438 | ((void **)skb->cb)[0] = rdev; | |
8439 | ((void **)skb->cb)[1] = hdr; | |
8440 | ((void **)skb->cb)[2] = data; | |
8441 | ||
8442 | return skb; | |
8443 | ||
8444 | nla_put_failure: | |
8445 | kfree_skb(skb); | |
8446 | return NULL; | |
8447 | } | |
f4e583c8 | 8448 | |
e03ad6ea | 8449 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 8450 | struct wireless_dev *wdev, |
e03ad6ea JB |
8451 | enum nl80211_commands cmd, |
8452 | enum nl80211_attrs attr, | |
8453 | int vendor_event_idx, | |
8454 | int approxlen, gfp_t gfp) | |
8455 | { | |
f26cbf40 | 8456 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
8457 | const struct nl80211_vendor_cmd_info *info; |
8458 | ||
8459 | switch (cmd) { | |
8460 | case NL80211_CMD_TESTMODE: | |
8461 | if (WARN_ON(vendor_event_idx != -1)) | |
8462 | return NULL; | |
8463 | info = NULL; | |
8464 | break; | |
8465 | case NL80211_CMD_VENDOR: | |
8466 | if (WARN_ON(vendor_event_idx < 0 || | |
8467 | vendor_event_idx >= wiphy->n_vendor_events)) | |
8468 | return NULL; | |
8469 | info = &wiphy->vendor_events[vendor_event_idx]; | |
8470 | break; | |
8471 | default: | |
8472 | WARN_ON(1); | |
8473 | return NULL; | |
8474 | } | |
8475 | ||
6c09e791 | 8476 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0, |
e03ad6ea JB |
8477 | cmd, attr, info, gfp); |
8478 | } | |
8479 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
8480 | ||
8481 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
8482 | { | |
8483 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
8484 | void *hdr = ((void **)skb->cb)[1]; | |
8485 | struct nlattr *data = ((void **)skb->cb)[2]; | |
8486 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
8487 | ||
bd8c78e7 JB |
8488 | /* clear CB data for netlink core to own from now on */ |
8489 | memset(skb->cb, 0, sizeof(skb->cb)); | |
8490 | ||
e03ad6ea JB |
8491 | nla_nest_end(skb, data); |
8492 | genlmsg_end(skb, hdr); | |
8493 | ||
8494 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
8495 | mcgrp = NL80211_MCGRP_VENDOR; | |
8496 | ||
8497 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
8498 | mcgrp, gfp); | |
8499 | } | |
8500 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
8501 | ||
aff89a9b | 8502 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
8503 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
8504 | { | |
4c476991 | 8505 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
8506 | struct wireless_dev *wdev = |
8507 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
8508 | int err; |
8509 | ||
fc73f11f DS |
8510 | if (!rdev->ops->testmode_cmd) |
8511 | return -EOPNOTSUPP; | |
8512 | ||
8513 | if (IS_ERR(wdev)) { | |
8514 | err = PTR_ERR(wdev); | |
8515 | if (err != -EINVAL) | |
8516 | return err; | |
8517 | wdev = NULL; | |
8518 | } else if (wdev->wiphy != &rdev->wiphy) { | |
8519 | return -EINVAL; | |
8520 | } | |
8521 | ||
aff89a9b JB |
8522 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
8523 | return -EINVAL; | |
8524 | ||
ad7e718c | 8525 | rdev->cur_cmd_info = info; |
fc73f11f | 8526 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
8527 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
8528 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 8529 | rdev->cur_cmd_info = NULL; |
aff89a9b | 8530 | |
aff89a9b JB |
8531 | return err; |
8532 | } | |
8533 | ||
71063f0e WYG |
8534 | static int nl80211_testmode_dump(struct sk_buff *skb, |
8535 | struct netlink_callback *cb) | |
8536 | { | |
00918d33 | 8537 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
8538 | int err; |
8539 | long phy_idx; | |
8540 | void *data = NULL; | |
8541 | int data_len = 0; | |
8542 | ||
5fe231e8 JB |
8543 | rtnl_lock(); |
8544 | ||
71063f0e WYG |
8545 | if (cb->args[0]) { |
8546 | /* | |
8547 | * 0 is a valid index, but not valid for args[0], | |
8548 | * so we need to offset by 1. | |
8549 | */ | |
8550 | phy_idx = cb->args[0] - 1; | |
8551 | } else { | |
c90c39da JB |
8552 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
8553 | ||
71063f0e | 8554 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
c90c39da | 8555 | attrbuf, nl80211_fam.maxattr, nl80211_policy); |
71063f0e | 8556 | if (err) |
5fe231e8 | 8557 | goto out_err; |
00918d33 | 8558 | |
c90c39da | 8559 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
2bd7e35d | 8560 | if (IS_ERR(rdev)) { |
5fe231e8 JB |
8561 | err = PTR_ERR(rdev); |
8562 | goto out_err; | |
00918d33 | 8563 | } |
2bd7e35d JB |
8564 | phy_idx = rdev->wiphy_idx; |
8565 | rdev = NULL; | |
2bd7e35d | 8566 | |
c90c39da JB |
8567 | if (attrbuf[NL80211_ATTR_TESTDATA]) |
8568 | cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA]; | |
71063f0e WYG |
8569 | } |
8570 | ||
8571 | if (cb->args[1]) { | |
8572 | data = nla_data((void *)cb->args[1]); | |
8573 | data_len = nla_len((void *)cb->args[1]); | |
8574 | } | |
8575 | ||
00918d33 JB |
8576 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
8577 | if (!rdev) { | |
5fe231e8 JB |
8578 | err = -ENOENT; |
8579 | goto out_err; | |
71063f0e | 8580 | } |
71063f0e | 8581 | |
00918d33 | 8582 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
8583 | err = -EOPNOTSUPP; |
8584 | goto out_err; | |
8585 | } | |
8586 | ||
8587 | while (1) { | |
15e47304 | 8588 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
8589 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8590 | NL80211_CMD_TESTMODE); | |
8591 | struct nlattr *tmdata; | |
8592 | ||
cb35fba3 DC |
8593 | if (!hdr) |
8594 | break; | |
8595 | ||
9360ffd1 | 8596 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
8597 | genlmsg_cancel(skb, hdr); |
8598 | break; | |
8599 | } | |
8600 | ||
8601 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
8602 | if (!tmdata) { | |
8603 | genlmsg_cancel(skb, hdr); | |
8604 | break; | |
8605 | } | |
e35e4d28 | 8606 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
8607 | nla_nest_end(skb, tmdata); |
8608 | ||
8609 | if (err == -ENOBUFS || err == -ENOENT) { | |
8610 | genlmsg_cancel(skb, hdr); | |
8611 | break; | |
8612 | } else if (err) { | |
8613 | genlmsg_cancel(skb, hdr); | |
8614 | goto out_err; | |
8615 | } | |
8616 | ||
8617 | genlmsg_end(skb, hdr); | |
8618 | } | |
8619 | ||
8620 | err = skb->len; | |
8621 | /* see above */ | |
8622 | cb->args[0] = phy_idx + 1; | |
8623 | out_err: | |
5fe231e8 | 8624 | rtnl_unlock(); |
71063f0e WYG |
8625 | return err; |
8626 | } | |
aff89a9b JB |
8627 | #endif |
8628 | ||
b23aa676 SO |
8629 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
8630 | { | |
4c476991 JB |
8631 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8632 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
8633 | struct cfg80211_connect_params connect; |
8634 | struct wiphy *wiphy; | |
fffd0934 | 8635 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
8636 | int err; |
8637 | ||
8638 | memset(&connect, 0, sizeof(connect)); | |
8639 | ||
8640 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8641 | return -EINVAL; | |
8642 | ||
8643 | if (!info->attrs[NL80211_ATTR_SSID] || | |
8644 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
8645 | return -EINVAL; | |
8646 | ||
8647 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
8648 | connect.auth_type = | |
8649 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
8650 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
8651 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
8652 | return -EINVAL; |
8653 | } else | |
8654 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
8655 | ||
8656 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
8657 | ||
c0692b8f | 8658 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 8659 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
8660 | if (err) |
8661 | return err; | |
b23aa676 | 8662 | |
074ac8df | 8663 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8664 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8665 | return -EOPNOTSUPP; | |
b23aa676 | 8666 | |
79c97e97 | 8667 | wiphy = &rdev->wiphy; |
b23aa676 | 8668 | |
4486ea98 BS |
8669 | connect.bg_scan_period = -1; |
8670 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
8671 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
8672 | connect.bg_scan_period = | |
8673 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
8674 | } | |
8675 | ||
b23aa676 SO |
8676 | if (info->attrs[NL80211_ATTR_MAC]) |
8677 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
8678 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
8679 | connect.bssid_hint = | |
8680 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
8681 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8682 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8683 | ||
8684 | if (info->attrs[NL80211_ATTR_IE]) { | |
8685 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8686 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8687 | } | |
8688 | ||
cee00a95 JM |
8689 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
8690 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
8691 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
8692 | connect.mfp != NL80211_MFP_NO) | |
8693 | return -EINVAL; | |
8694 | } else { | |
8695 | connect.mfp = NL80211_MFP_NO; | |
8696 | } | |
8697 | ||
ba6fbacf JM |
8698 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
8699 | connect.prev_bssid = | |
8700 | nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
8701 | ||
b23aa676 | 8702 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
8703 | connect.channel = nl80211_get_valid_chan( |
8704 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8705 | if (!connect.channel) | |
1df4a510 JM |
8706 | return -EINVAL; |
8707 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
8708 | connect.channel_hint = nl80211_get_valid_chan( |
8709 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
8710 | if (!connect.channel_hint) | |
4c476991 | 8711 | return -EINVAL; |
b23aa676 SO |
8712 | } |
8713 | ||
fffd0934 JB |
8714 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
8715 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 8716 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
8717 | if (IS_ERR(connkeys)) |
8718 | return PTR_ERR(connkeys); | |
fffd0934 JB |
8719 | } |
8720 | ||
7e7c8926 BG |
8721 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
8722 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
8723 | ||
8724 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8725 | memcpy(&connect.ht_capa_mask, | |
8726 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8727 | sizeof(connect.ht_capa_mask)); | |
8728 | ||
8729 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 8730 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 8731 | kzfree(connkeys); |
7e7c8926 | 8732 | return -EINVAL; |
b4e4f47e | 8733 | } |
7e7c8926 BG |
8734 | memcpy(&connect.ht_capa, |
8735 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8736 | sizeof(connect.ht_capa)); | |
8737 | } | |
8738 | ||
ee2aca34 JB |
8739 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
8740 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
8741 | ||
8742 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
8743 | memcpy(&connect.vht_capa_mask, | |
8744 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8745 | sizeof(connect.vht_capa_mask)); | |
8746 | ||
8747 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
8748 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 8749 | kzfree(connkeys); |
ee2aca34 JB |
8750 | return -EINVAL; |
8751 | } | |
8752 | memcpy(&connect.vht_capa, | |
8753 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8754 | sizeof(connect.vht_capa)); | |
8755 | } | |
8756 | ||
bab5ab7d | 8757 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8758 | if (!((rdev->wiphy.features & |
8759 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8760 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8761 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8762 | NL80211_EXT_FEATURE_RRM)) { | |
707554b4 | 8763 | kzfree(connkeys); |
bab5ab7d | 8764 | return -EINVAL; |
707554b4 | 8765 | } |
bab5ab7d AK |
8766 | connect.flags |= ASSOC_REQ_USE_RRM; |
8767 | } | |
8768 | ||
34d50519 | 8769 | connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
57fbcce3 | 8770 | if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) { |
34d50519 LD |
8771 | kzfree(connkeys); |
8772 | return -EOPNOTSUPP; | |
8773 | } | |
8774 | ||
38de03d2 AS |
8775 | if (info->attrs[NL80211_ATTR_BSS_SELECT]) { |
8776 | /* bss selection makes no sense if bssid is set */ | |
8777 | if (connect.bssid) { | |
8778 | kzfree(connkeys); | |
8779 | return -EINVAL; | |
8780 | } | |
8781 | ||
8782 | err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT], | |
8783 | wiphy, &connect.bss_select); | |
8784 | if (err) { | |
8785 | kzfree(connkeys); | |
8786 | return err; | |
8787 | } | |
8788 | } | |
8789 | ||
83739b03 | 8790 | wdev_lock(dev->ieee80211_ptr); |
4ce2bd9c JM |
8791 | err = cfg80211_connect(rdev, dev, &connect, connkeys, |
8792 | connect.prev_bssid); | |
83739b03 | 8793 | wdev_unlock(dev->ieee80211_ptr); |
fffd0934 | 8794 | if (err) |
b47f610b | 8795 | kzfree(connkeys); |
b23aa676 SO |
8796 | return err; |
8797 | } | |
8798 | ||
088e8df8 | 8799 | static int nl80211_update_connect_params(struct sk_buff *skb, |
8800 | struct genl_info *info) | |
8801 | { | |
8802 | struct cfg80211_connect_params connect = {}; | |
8803 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8804 | struct net_device *dev = info->user_ptr[1]; | |
8805 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8806 | u32 changed = 0; | |
8807 | int ret; | |
8808 | ||
8809 | if (!rdev->ops->update_connect_params) | |
8810 | return -EOPNOTSUPP; | |
8811 | ||
8812 | if (info->attrs[NL80211_ATTR_IE]) { | |
8813 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8814 | return -EINVAL; | |
8815 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8816 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8817 | changed |= UPDATE_ASSOC_IES; | |
8818 | } | |
8819 | ||
8820 | wdev_lock(dev->ieee80211_ptr); | |
8821 | if (!wdev->current_bss) | |
8822 | ret = -ENOLINK; | |
8823 | else | |
8824 | ret = rdev_update_connect_params(rdev, dev, &connect, changed); | |
8825 | wdev_unlock(dev->ieee80211_ptr); | |
8826 | ||
8827 | return ret; | |
8828 | } | |
8829 | ||
b23aa676 SO |
8830 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) |
8831 | { | |
4c476991 JB |
8832 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8833 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 8834 | u16 reason; |
83739b03 | 8835 | int ret; |
b23aa676 SO |
8836 | |
8837 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8838 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
8839 | else | |
8840 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
8841 | ||
8842 | if (reason == 0) | |
8843 | return -EINVAL; | |
8844 | ||
074ac8df | 8845 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8846 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8847 | return -EOPNOTSUPP; | |
b23aa676 | 8848 | |
83739b03 JB |
8849 | wdev_lock(dev->ieee80211_ptr); |
8850 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
8851 | wdev_unlock(dev->ieee80211_ptr); | |
8852 | return ret; | |
b23aa676 SO |
8853 | } |
8854 | ||
463d0183 JB |
8855 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
8856 | { | |
4c476991 | 8857 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
8858 | struct net *net; |
8859 | int err; | |
463d0183 | 8860 | |
4b681c82 VK |
8861 | if (info->attrs[NL80211_ATTR_PID]) { |
8862 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
8863 | ||
8864 | net = get_net_ns_by_pid(pid); | |
8865 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
8866 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 8867 | |
4b681c82 VK |
8868 | net = get_net_ns_by_fd(fd); |
8869 | } else { | |
8870 | return -EINVAL; | |
8871 | } | |
463d0183 | 8872 | |
4c476991 JB |
8873 | if (IS_ERR(net)) |
8874 | return PTR_ERR(net); | |
463d0183 JB |
8875 | |
8876 | err = 0; | |
8877 | ||
8878 | /* check if anything to do */ | |
4c476991 JB |
8879 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
8880 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 8881 | |
463d0183 | 8882 | put_net(net); |
463d0183 JB |
8883 | return err; |
8884 | } | |
8885 | ||
67fbb16b SO |
8886 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
8887 | { | |
4c476991 | 8888 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
8889 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
8890 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 8891 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
8892 | struct cfg80211_pmksa pmksa; |
8893 | ||
8894 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
8895 | ||
8896 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8897 | return -EINVAL; | |
8898 | ||
8899 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
8900 | return -EINVAL; | |
8901 | ||
67fbb16b SO |
8902 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
8903 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8904 | ||
074ac8df | 8905 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8906 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8907 | return -EOPNOTSUPP; | |
67fbb16b SO |
8908 | |
8909 | switch (info->genlhdr->cmd) { | |
8910 | case NL80211_CMD_SET_PMKSA: | |
8911 | rdev_ops = rdev->ops->set_pmksa; | |
8912 | break; | |
8913 | case NL80211_CMD_DEL_PMKSA: | |
8914 | rdev_ops = rdev->ops->del_pmksa; | |
8915 | break; | |
8916 | default: | |
8917 | WARN_ON(1); | |
8918 | break; | |
8919 | } | |
8920 | ||
4c476991 JB |
8921 | if (!rdev_ops) |
8922 | return -EOPNOTSUPP; | |
67fbb16b | 8923 | |
4c476991 | 8924 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
8925 | } |
8926 | ||
8927 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
8928 | { | |
4c476991 JB |
8929 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8930 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 8931 | |
074ac8df | 8932 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8933 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8934 | return -EOPNOTSUPP; | |
67fbb16b | 8935 | |
4c476991 JB |
8936 | if (!rdev->ops->flush_pmksa) |
8937 | return -EOPNOTSUPP; | |
67fbb16b | 8938 | |
e35e4d28 | 8939 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
8940 | } |
8941 | ||
109086ce AN |
8942 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
8943 | { | |
8944 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8945 | struct net_device *dev = info->user_ptr[1]; | |
8946 | u8 action_code, dialog_token; | |
df942e7b | 8947 | u32 peer_capability = 0; |
109086ce AN |
8948 | u16 status_code; |
8949 | u8 *peer; | |
31fa97c5 | 8950 | bool initiator; |
109086ce AN |
8951 | |
8952 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
8953 | !rdev->ops->tdls_mgmt) | |
8954 | return -EOPNOTSUPP; | |
8955 | ||
8956 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
8957 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
8958 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
8959 | !info->attrs[NL80211_ATTR_IE] || | |
8960 | !info->attrs[NL80211_ATTR_MAC]) | |
8961 | return -EINVAL; | |
8962 | ||
8963 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8964 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
8965 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
8966 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 8967 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
8968 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
8969 | peer_capability = | |
8970 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 8971 | |
e35e4d28 | 8972 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 8973 | dialog_token, status_code, peer_capability, |
31fa97c5 | 8974 | initiator, |
e35e4d28 HG |
8975 | nla_data(info->attrs[NL80211_ATTR_IE]), |
8976 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
8977 | } |
8978 | ||
8979 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
8980 | { | |
8981 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8982 | struct net_device *dev = info->user_ptr[1]; | |
8983 | enum nl80211_tdls_operation operation; | |
8984 | u8 *peer; | |
8985 | ||
8986 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
8987 | !rdev->ops->tdls_oper) | |
8988 | return -EOPNOTSUPP; | |
8989 | ||
8990 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
8991 | !info->attrs[NL80211_ATTR_MAC]) | |
8992 | return -EINVAL; | |
8993 | ||
8994 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
8995 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8996 | ||
e35e4d28 | 8997 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
8998 | } |
8999 | ||
9588bbd5 JM |
9000 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
9001 | struct genl_info *info) | |
9002 | { | |
4c476991 | 9003 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9004 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9005 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
9006 | struct sk_buff *msg; |
9007 | void *hdr; | |
9008 | u64 cookie; | |
683b6d3b | 9009 | u32 duration; |
9588bbd5 JM |
9010 | int err; |
9011 | ||
9012 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
9013 | !info->attrs[NL80211_ATTR_DURATION]) | |
9014 | return -EINVAL; | |
9015 | ||
9016 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
9017 | ||
ebf348fc JB |
9018 | if (!rdev->ops->remain_on_channel || |
9019 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
9020 | return -EOPNOTSUPP; | |
9021 | ||
9588bbd5 | 9022 | /* |
ebf348fc JB |
9023 | * We should be on that channel for at least a minimum amount of |
9024 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 9025 | */ |
ebf348fc | 9026 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 9027 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
9028 | return -EINVAL; |
9029 | ||
683b6d3b JB |
9030 | err = nl80211_parse_chandef(rdev, info, &chandef); |
9031 | if (err) | |
9032 | return err; | |
9588bbd5 JM |
9033 | |
9034 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9035 | if (!msg) |
9036 | return -ENOMEM; | |
9588bbd5 | 9037 | |
15e47304 | 9038 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 9039 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
9040 | if (!hdr) { |
9041 | err = -ENOBUFS; | |
9588bbd5 JM |
9042 | goto free_msg; |
9043 | } | |
9044 | ||
683b6d3b JB |
9045 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
9046 | duration, &cookie); | |
9588bbd5 JM |
9047 | |
9048 | if (err) | |
9049 | goto free_msg; | |
9050 | ||
2dad624e ND |
9051 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9052 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9053 | goto nla_put_failure; |
9588bbd5 JM |
9054 | |
9055 | genlmsg_end(msg, hdr); | |
4c476991 JB |
9056 | |
9057 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
9058 | |
9059 | nla_put_failure: | |
9060 | err = -ENOBUFS; | |
9061 | free_msg: | |
9062 | nlmsg_free(msg); | |
9588bbd5 JM |
9063 | return err; |
9064 | } | |
9065 | ||
9066 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
9067 | struct genl_info *info) | |
9068 | { | |
4c476991 | 9069 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9070 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 9071 | u64 cookie; |
9588bbd5 JM |
9072 | |
9073 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9074 | return -EINVAL; | |
9075 | ||
4c476991 JB |
9076 | if (!rdev->ops->cancel_remain_on_channel) |
9077 | return -EOPNOTSUPP; | |
9588bbd5 | 9078 | |
9588bbd5 JM |
9079 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
9080 | ||
e35e4d28 | 9081 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
9082 | } |
9083 | ||
13ae75b1 JM |
9084 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, |
9085 | struct genl_info *info) | |
9086 | { | |
13ae75b1 | 9087 | struct cfg80211_bitrate_mask mask; |
a7c7fbff | 9088 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9089 | struct net_device *dev = info->user_ptr[1]; |
a7c7fbff | 9090 | int err; |
13ae75b1 | 9091 | |
4c476991 JB |
9092 | if (!rdev->ops->set_bitrate_mask) |
9093 | return -EOPNOTSUPP; | |
13ae75b1 | 9094 | |
a7c7fbff PK |
9095 | err = nl80211_parse_tx_bitrate_mask(info, &mask); |
9096 | if (err) | |
9097 | return err; | |
13ae75b1 | 9098 | |
e35e4d28 | 9099 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
9100 | } |
9101 | ||
2e161f78 | 9102 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9103 | { |
4c476991 | 9104 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9105 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 9106 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
9107 | |
9108 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
9109 | return -EINVAL; | |
9110 | ||
2e161f78 JB |
9111 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
9112 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 9113 | |
71bbc994 JB |
9114 | switch (wdev->iftype) { |
9115 | case NL80211_IFTYPE_STATION: | |
9116 | case NL80211_IFTYPE_ADHOC: | |
9117 | case NL80211_IFTYPE_P2P_CLIENT: | |
9118 | case NL80211_IFTYPE_AP: | |
9119 | case NL80211_IFTYPE_AP_VLAN: | |
9120 | case NL80211_IFTYPE_MESH_POINT: | |
9121 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9122 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9123 | break; |
cb3b7d87 | 9124 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9125 | default: |
4c476991 | 9126 | return -EOPNOTSUPP; |
71bbc994 | 9127 | } |
026331c4 JM |
9128 | |
9129 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
9130 | if (!rdev->ops->mgmt_tx) |
9131 | return -EOPNOTSUPP; | |
026331c4 | 9132 | |
15e47304 | 9133 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
9134 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
9135 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
9136 | } |
9137 | ||
2e161f78 | 9138 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9139 | { |
4c476991 | 9140 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9141 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9142 | struct cfg80211_chan_def chandef; |
026331c4 | 9143 | int err; |
d64d373f | 9144 | void *hdr = NULL; |
026331c4 | 9145 | u64 cookie; |
e247bd90 | 9146 | struct sk_buff *msg = NULL; |
b176e629 AO |
9147 | struct cfg80211_mgmt_tx_params params = { |
9148 | .dont_wait_for_ack = | |
9149 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
9150 | }; | |
026331c4 | 9151 | |
683b6d3b | 9152 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
9153 | return -EINVAL; |
9154 | ||
4c476991 JB |
9155 | if (!rdev->ops->mgmt_tx) |
9156 | return -EOPNOTSUPP; | |
026331c4 | 9157 | |
71bbc994 | 9158 | switch (wdev->iftype) { |
ea141b75 AQ |
9159 | case NL80211_IFTYPE_P2P_DEVICE: |
9160 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
9161 | return -EINVAL; | |
71bbc994 JB |
9162 | case NL80211_IFTYPE_STATION: |
9163 | case NL80211_IFTYPE_ADHOC: | |
9164 | case NL80211_IFTYPE_P2P_CLIENT: | |
9165 | case NL80211_IFTYPE_AP: | |
9166 | case NL80211_IFTYPE_AP_VLAN: | |
9167 | case NL80211_IFTYPE_MESH_POINT: | |
9168 | case NL80211_IFTYPE_P2P_GO: | |
9169 | break; | |
cb3b7d87 | 9170 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9171 | default: |
4c476991 | 9172 | return -EOPNOTSUPP; |
71bbc994 | 9173 | } |
026331c4 | 9174 | |
f7ca38df | 9175 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 9176 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 9177 | return -EINVAL; |
b176e629 | 9178 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
9179 | |
9180 | /* | |
9181 | * We should wait on the channel for at least a minimum amount | |
9182 | * of time (10ms) but no longer than the driver supports. | |
9183 | */ | |
b176e629 AO |
9184 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
9185 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc | 9186 | return -EINVAL; |
f7ca38df JB |
9187 | } |
9188 | ||
b176e629 | 9189 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 9190 | |
b176e629 | 9191 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
9192 | return -EINVAL; |
9193 | ||
b176e629 | 9194 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 9195 | |
ea141b75 AQ |
9196 | /* get the channel if any has been specified, otherwise pass NULL to |
9197 | * the driver. The latter will use the current one | |
9198 | */ | |
9199 | chandef.chan = NULL; | |
9200 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
9201 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9202 | if (err) | |
9203 | return err; | |
9204 | } | |
9205 | ||
b176e629 | 9206 | if (!chandef.chan && params.offchan) |
ea141b75 | 9207 | return -EINVAL; |
026331c4 | 9208 | |
34d22ce2 AO |
9209 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
9210 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
9211 | ||
9212 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
9213 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9214 | int i; | |
9215 | ||
9216 | if (len % sizeof(u16)) | |
9217 | return -EINVAL; | |
9218 | ||
9219 | params.n_csa_offsets = len / sizeof(u16); | |
9220 | params.csa_offsets = | |
9221 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9222 | ||
9223 | /* check that all the offsets fit the frame */ | |
9224 | for (i = 0; i < params.n_csa_offsets; i++) { | |
9225 | if (params.csa_offsets[i] >= params.len) | |
9226 | return -EINVAL; | |
9227 | } | |
9228 | } | |
9229 | ||
b176e629 | 9230 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
9231 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
9232 | if (!msg) | |
9233 | return -ENOMEM; | |
026331c4 | 9234 | |
15e47304 | 9235 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 9236 | NL80211_CMD_FRAME); |
cb35fba3 DC |
9237 | if (!hdr) { |
9238 | err = -ENOBUFS; | |
e247bd90 JB |
9239 | goto free_msg; |
9240 | } | |
026331c4 | 9241 | } |
e247bd90 | 9242 | |
b176e629 AO |
9243 | params.chan = chandef.chan; |
9244 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
9245 | if (err) |
9246 | goto free_msg; | |
9247 | ||
e247bd90 | 9248 | if (msg) { |
2dad624e ND |
9249 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9250 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9251 | goto nla_put_failure; |
026331c4 | 9252 | |
e247bd90 JB |
9253 | genlmsg_end(msg, hdr); |
9254 | return genlmsg_reply(msg, info); | |
9255 | } | |
9256 | ||
9257 | return 0; | |
026331c4 JM |
9258 | |
9259 | nla_put_failure: | |
9260 | err = -ENOBUFS; | |
9261 | free_msg: | |
9262 | nlmsg_free(msg); | |
026331c4 JM |
9263 | return err; |
9264 | } | |
9265 | ||
f7ca38df JB |
9266 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
9267 | { | |
9268 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 9269 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
9270 | u64 cookie; |
9271 | ||
9272 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9273 | return -EINVAL; | |
9274 | ||
9275 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
9276 | return -EOPNOTSUPP; | |
9277 | ||
71bbc994 JB |
9278 | switch (wdev->iftype) { |
9279 | case NL80211_IFTYPE_STATION: | |
9280 | case NL80211_IFTYPE_ADHOC: | |
9281 | case NL80211_IFTYPE_P2P_CLIENT: | |
9282 | case NL80211_IFTYPE_AP: | |
9283 | case NL80211_IFTYPE_AP_VLAN: | |
9284 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9285 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9286 | break; |
cb3b7d87 | 9287 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9288 | default: |
f7ca38df | 9289 | return -EOPNOTSUPP; |
71bbc994 | 9290 | } |
f7ca38df JB |
9291 | |
9292 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
9293 | ||
e35e4d28 | 9294 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
9295 | } |
9296 | ||
ffb9eb3d KV |
9297 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
9298 | { | |
4c476991 | 9299 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 9300 | struct wireless_dev *wdev; |
4c476991 | 9301 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9302 | u8 ps_state; |
9303 | bool state; | |
9304 | int err; | |
9305 | ||
4c476991 JB |
9306 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
9307 | return -EINVAL; | |
ffb9eb3d KV |
9308 | |
9309 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
9310 | ||
4c476991 JB |
9311 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
9312 | return -EINVAL; | |
ffb9eb3d KV |
9313 | |
9314 | wdev = dev->ieee80211_ptr; | |
9315 | ||
4c476991 JB |
9316 | if (!rdev->ops->set_power_mgmt) |
9317 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9318 | |
9319 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
9320 | ||
9321 | if (state == wdev->ps) | |
4c476991 | 9322 | return 0; |
ffb9eb3d | 9323 | |
e35e4d28 | 9324 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
9325 | if (!err) |
9326 | wdev->ps = state; | |
ffb9eb3d KV |
9327 | return err; |
9328 | } | |
9329 | ||
9330 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
9331 | { | |
4c476991 | 9332 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
9333 | enum nl80211_ps_state ps_state; |
9334 | struct wireless_dev *wdev; | |
4c476991 | 9335 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9336 | struct sk_buff *msg; |
9337 | void *hdr; | |
9338 | int err; | |
9339 | ||
ffb9eb3d KV |
9340 | wdev = dev->ieee80211_ptr; |
9341 | ||
4c476991 JB |
9342 | if (!rdev->ops->set_power_mgmt) |
9343 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9344 | |
9345 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9346 | if (!msg) |
9347 | return -ENOMEM; | |
ffb9eb3d | 9348 | |
15e47304 | 9349 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
9350 | NL80211_CMD_GET_POWER_SAVE); |
9351 | if (!hdr) { | |
4c476991 | 9352 | err = -ENOBUFS; |
ffb9eb3d KV |
9353 | goto free_msg; |
9354 | } | |
9355 | ||
9356 | if (wdev->ps) | |
9357 | ps_state = NL80211_PS_ENABLED; | |
9358 | else | |
9359 | ps_state = NL80211_PS_DISABLED; | |
9360 | ||
9360ffd1 DM |
9361 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
9362 | goto nla_put_failure; | |
ffb9eb3d KV |
9363 | |
9364 | genlmsg_end(msg, hdr); | |
4c476991 | 9365 | return genlmsg_reply(msg, info); |
ffb9eb3d | 9366 | |
4c476991 | 9367 | nla_put_failure: |
ffb9eb3d | 9368 | err = -ENOBUFS; |
4c476991 | 9369 | free_msg: |
ffb9eb3d | 9370 | nlmsg_free(msg); |
ffb9eb3d KV |
9371 | return err; |
9372 | } | |
9373 | ||
94e860f1 JB |
9374 | static const struct nla_policy |
9375 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
9376 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
9377 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
9378 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
9379 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
9380 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
9381 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
9382 | }; |
9383 | ||
84f10708 | 9384 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 9385 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
9386 | { |
9387 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 9388 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9389 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 9390 | |
d9d8b019 | 9391 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
9392 | return -EINVAL; |
9393 | ||
84f10708 TP |
9394 | if (!rdev->ops->set_cqm_txe_config) |
9395 | return -EOPNOTSUPP; | |
9396 | ||
9397 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
9398 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
9399 | return -EOPNOTSUPP; | |
9400 | ||
e35e4d28 | 9401 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
9402 | } |
9403 | ||
d6dc1a38 JO |
9404 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
9405 | s32 threshold, u32 hysteresis) | |
9406 | { | |
4c476991 | 9407 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9408 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9409 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
9410 | |
9411 | if (threshold > 0) | |
9412 | return -EINVAL; | |
9413 | ||
1da5fcc8 JB |
9414 | /* disabling - hysteresis should also be zero then */ |
9415 | if (threshold == 0) | |
9416 | hysteresis = 0; | |
d6dc1a38 | 9417 | |
4c476991 JB |
9418 | if (!rdev->ops->set_cqm_rssi_config) |
9419 | return -EOPNOTSUPP; | |
d6dc1a38 | 9420 | |
074ac8df | 9421 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9422 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9423 | return -EOPNOTSUPP; | |
d6dc1a38 | 9424 | |
e35e4d28 | 9425 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
9426 | } |
9427 | ||
9428 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
9429 | { | |
9430 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
9431 | struct nlattr *cqm; | |
9432 | int err; | |
9433 | ||
9434 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
9435 | if (!cqm) |
9436 | return -EINVAL; | |
d6dc1a38 JO |
9437 | |
9438 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
9439 | nl80211_attr_cqm_policy); | |
9440 | if (err) | |
1da5fcc8 | 9441 | return err; |
d6dc1a38 JO |
9442 | |
9443 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
9444 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
9445 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
9446 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 9447 | |
1da5fcc8 JB |
9448 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
9449 | } | |
9450 | ||
9451 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
9452 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
9453 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
9454 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
9455 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
9456 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
9457 | ||
9458 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
9459 | } | |
9460 | ||
9461 | return -EINVAL; | |
d6dc1a38 JO |
9462 | } |
9463 | ||
6e0bd6c3 RL |
9464 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
9465 | { | |
9466 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9467 | struct net_device *dev = info->user_ptr[1]; | |
9468 | struct ocb_setup setup = {}; | |
9469 | int err; | |
9470 | ||
9471 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
9472 | if (err) | |
9473 | return err; | |
9474 | ||
9475 | return cfg80211_join_ocb(rdev, dev, &setup); | |
9476 | } | |
9477 | ||
9478 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
9479 | { | |
9480 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9481 | struct net_device *dev = info->user_ptr[1]; | |
9482 | ||
9483 | return cfg80211_leave_ocb(rdev, dev); | |
9484 | } | |
9485 | ||
29cbe68c JB |
9486 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
9487 | { | |
9488 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9489 | struct net_device *dev = info->user_ptr[1]; | |
9490 | struct mesh_config cfg; | |
c80d545d | 9491 | struct mesh_setup setup; |
29cbe68c JB |
9492 | int err; |
9493 | ||
9494 | /* start with default */ | |
9495 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 9496 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 9497 | |
24bdd9f4 | 9498 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 9499 | /* and parse parameters if given */ |
24bdd9f4 | 9500 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
9501 | if (err) |
9502 | return err; | |
9503 | } | |
9504 | ||
9505 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
9506 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
9507 | return -EINVAL; | |
9508 | ||
c80d545d JC |
9509 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
9510 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
9511 | ||
4bb62344 CYY |
9512 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
9513 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
9514 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
9515 | return -EINVAL; | |
9516 | ||
9bdbf04d MP |
9517 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
9518 | setup.beacon_interval = | |
9519 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 9520 | |
0c317a02 PK |
9521 | err = cfg80211_validate_beacon_int(rdev, |
9522 | NL80211_IFTYPE_MESH_POINT, | |
9523 | setup.beacon_interval); | |
12d20fc9 PK |
9524 | if (err) |
9525 | return err; | |
9bdbf04d MP |
9526 | } |
9527 | ||
9528 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
9529 | setup.dtim_period = | |
9530 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
9531 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
9532 | return -EINVAL; | |
9533 | } | |
9534 | ||
c80d545d JC |
9535 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
9536 | /* parse additional setup parameters if given */ | |
9537 | err = nl80211_parse_mesh_setup(info, &setup); | |
9538 | if (err) | |
9539 | return err; | |
9540 | } | |
9541 | ||
d37bb18a TP |
9542 | if (setup.user_mpm) |
9543 | cfg.auto_open_plinks = false; | |
9544 | ||
cc1d2806 | 9545 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
9546 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
9547 | if (err) | |
9548 | return err; | |
cc1d2806 JB |
9549 | } else { |
9550 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 9551 | setup.chandef.chan = NULL; |
cc1d2806 JB |
9552 | } |
9553 | ||
ffb3cf30 AN |
9554 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
9555 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9556 | int n_rates = | |
9557 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9558 | struct ieee80211_supported_band *sband; | |
9559 | ||
9560 | if (!setup.chandef.chan) | |
9561 | return -EINVAL; | |
9562 | ||
9563 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
9564 | ||
9565 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
9566 | &setup.basic_rates); | |
9567 | if (err) | |
9568 | return err; | |
9569 | } | |
9570 | ||
8564e382 JB |
9571 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
9572 | err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate); | |
9573 | if (err) | |
9574 | return err; | |
9575 | ||
9576 | err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band, | |
9577 | &setup.beacon_rate); | |
9578 | if (err) | |
9579 | return err; | |
9580 | } | |
9581 | ||
c80d545d | 9582 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
9583 | } |
9584 | ||
9585 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
9586 | { | |
9587 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9588 | struct net_device *dev = info->user_ptr[1]; | |
9589 | ||
9590 | return cfg80211_leave_mesh(rdev, dev); | |
9591 | } | |
9592 | ||
dfb89c56 | 9593 | #ifdef CONFIG_PM |
bb92d199 AK |
9594 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
9595 | struct cfg80211_registered_device *rdev) | |
9596 | { | |
6abb9cb9 | 9597 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
9598 | struct nlattr *nl_pats, *nl_pat; |
9599 | int i, pat_len; | |
9600 | ||
6abb9cb9 | 9601 | if (!wowlan->n_patterns) |
bb92d199 AK |
9602 | return 0; |
9603 | ||
9604 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
9605 | if (!nl_pats) | |
9606 | return -ENOBUFS; | |
9607 | ||
6abb9cb9 | 9608 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
9609 | nl_pat = nla_nest_start(msg, i + 1); |
9610 | if (!nl_pat) | |
9611 | return -ENOBUFS; | |
6abb9cb9 | 9612 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 9613 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 9614 | wowlan->patterns[i].mask) || |
50ac6607 AK |
9615 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
9616 | wowlan->patterns[i].pattern) || | |
9617 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 9618 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
9619 | return -ENOBUFS; |
9620 | nla_nest_end(msg, nl_pat); | |
9621 | } | |
9622 | nla_nest_end(msg, nl_pats); | |
9623 | ||
9624 | return 0; | |
9625 | } | |
9626 | ||
2a0e047e JB |
9627 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
9628 | struct cfg80211_wowlan_tcp *tcp) | |
9629 | { | |
9630 | struct nlattr *nl_tcp; | |
9631 | ||
9632 | if (!tcp) | |
9633 | return 0; | |
9634 | ||
9635 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
9636 | if (!nl_tcp) | |
9637 | return -ENOBUFS; | |
9638 | ||
930345ea JB |
9639 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
9640 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
9641 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
9642 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
9643 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
9644 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
9645 | tcp->payload_len, tcp->payload) || | |
9646 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
9647 | tcp->data_interval) || | |
9648 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
9649 | tcp->wake_len, tcp->wake_data) || | |
9650 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
9651 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
9652 | return -ENOBUFS; | |
9653 | ||
9654 | if (tcp->payload_seq.len && | |
9655 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
9656 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
9657 | return -ENOBUFS; | |
9658 | ||
9659 | if (tcp->payload_tok.len && | |
9660 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
9661 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
9662 | &tcp->payload_tok)) | |
9663 | return -ENOBUFS; | |
9664 | ||
e248ad30 JB |
9665 | nla_nest_end(msg, nl_tcp); |
9666 | ||
2a0e047e JB |
9667 | return 0; |
9668 | } | |
9669 | ||
75453ccb LC |
9670 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
9671 | struct cfg80211_sched_scan_request *req) | |
9672 | { | |
3b06d277 | 9673 | struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan; |
75453ccb LC |
9674 | int i; |
9675 | ||
9676 | if (!req) | |
9677 | return 0; | |
9678 | ||
9679 | nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT); | |
9680 | if (!nd) | |
9681 | return -ENOBUFS; | |
9682 | ||
3b06d277 AS |
9683 | if (req->n_scan_plans == 1 && |
9684 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, | |
9685 | req->scan_plans[0].interval * 1000)) | |
75453ccb LC |
9686 | return -ENOBUFS; |
9687 | ||
21fea567 LC |
9688 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
9689 | return -ENOBUFS; | |
9690 | ||
75453ccb LC |
9691 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
9692 | if (!freqs) | |
9693 | return -ENOBUFS; | |
9694 | ||
53b18980 JB |
9695 | for (i = 0; i < req->n_channels; i++) { |
9696 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9697 | return -ENOBUFS; | |
9698 | } | |
75453ccb LC |
9699 | |
9700 | nla_nest_end(msg, freqs); | |
9701 | ||
9702 | if (req->n_match_sets) { | |
9703 | matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
76e1fb4b JB |
9704 | if (!matches) |
9705 | return -ENOBUFS; | |
9706 | ||
75453ccb LC |
9707 | for (i = 0; i < req->n_match_sets; i++) { |
9708 | match = nla_nest_start(msg, i); | |
76e1fb4b JB |
9709 | if (!match) |
9710 | return -ENOBUFS; | |
9711 | ||
53b18980 JB |
9712 | if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, |
9713 | req->match_sets[i].ssid.ssid_len, | |
9714 | req->match_sets[i].ssid.ssid)) | |
9715 | return -ENOBUFS; | |
75453ccb LC |
9716 | nla_nest_end(msg, match); |
9717 | } | |
9718 | nla_nest_end(msg, matches); | |
9719 | } | |
9720 | ||
3b06d277 AS |
9721 | scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS); |
9722 | if (!scan_plans) | |
9723 | return -ENOBUFS; | |
9724 | ||
9725 | for (i = 0; i < req->n_scan_plans; i++) { | |
9726 | scan_plan = nla_nest_start(msg, i + 1); | |
76e1fb4b JB |
9727 | if (!scan_plan) |
9728 | return -ENOBUFS; | |
9729 | ||
3b06d277 AS |
9730 | if (!scan_plan || |
9731 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, | |
9732 | req->scan_plans[i].interval) || | |
9733 | (req->scan_plans[i].iterations && | |
9734 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, | |
9735 | req->scan_plans[i].iterations))) | |
9736 | return -ENOBUFS; | |
9737 | nla_nest_end(msg, scan_plan); | |
9738 | } | |
9739 | nla_nest_end(msg, scan_plans); | |
9740 | ||
75453ccb LC |
9741 | nla_nest_end(msg, nd); |
9742 | ||
9743 | return 0; | |
9744 | } | |
9745 | ||
ff1b6e69 JB |
9746 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
9747 | { | |
9748 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9749 | struct sk_buff *msg; | |
9750 | void *hdr; | |
2a0e047e | 9751 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 9752 | |
964dc9e2 | 9753 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
9754 | return -EOPNOTSUPP; |
9755 | ||
6abb9cb9 | 9756 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 9757 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
9758 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
9759 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
9760 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
9761 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
9762 | } |
9763 | ||
9764 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
9765 | if (!msg) |
9766 | return -ENOMEM; | |
9767 | ||
15e47304 | 9768 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
9769 | NL80211_CMD_GET_WOWLAN); |
9770 | if (!hdr) | |
9771 | goto nla_put_failure; | |
9772 | ||
6abb9cb9 | 9773 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
9774 | struct nlattr *nl_wowlan; |
9775 | ||
9776 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
9777 | if (!nl_wowlan) | |
9778 | goto nla_put_failure; | |
9779 | ||
6abb9cb9 | 9780 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 9781 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 9782 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 9783 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 9784 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 9785 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 9786 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 9787 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 9788 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 9789 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 9790 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 9791 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 9792 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
9793 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
9794 | goto nla_put_failure; | |
2a0e047e | 9795 | |
bb92d199 AK |
9796 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
9797 | goto nla_put_failure; | |
2a0e047e | 9798 | |
6abb9cb9 JB |
9799 | if (nl80211_send_wowlan_tcp(msg, |
9800 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 9801 | goto nla_put_failure; |
75453ccb LC |
9802 | |
9803 | if (nl80211_send_wowlan_nd( | |
9804 | msg, | |
9805 | rdev->wiphy.wowlan_config->nd_config)) | |
9806 | goto nla_put_failure; | |
2a0e047e | 9807 | |
ff1b6e69 JB |
9808 | nla_nest_end(msg, nl_wowlan); |
9809 | } | |
9810 | ||
9811 | genlmsg_end(msg, hdr); | |
9812 | return genlmsg_reply(msg, info); | |
9813 | ||
9814 | nla_put_failure: | |
9815 | nlmsg_free(msg); | |
9816 | return -ENOBUFS; | |
9817 | } | |
9818 | ||
2a0e047e JB |
9819 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
9820 | struct nlattr *attr, | |
9821 | struct cfg80211_wowlan *trig) | |
9822 | { | |
9823 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
9824 | struct cfg80211_wowlan_tcp *cfg; | |
9825 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
9826 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
9827 | u32 size; | |
9828 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
9829 | int err, port; | |
9830 | ||
964dc9e2 | 9831 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
9832 | return -EINVAL; |
9833 | ||
bfe2c7b1 JB |
9834 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr, |
9835 | nl80211_wowlan_tcp_policy); | |
2a0e047e JB |
9836 | if (err) |
9837 | return err; | |
9838 | ||
9839 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
9840 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
9841 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
9842 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
9843 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
9844 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
9845 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
9846 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
9847 | return -EINVAL; | |
9848 | ||
9849 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 9850 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
9851 | return -EINVAL; |
9852 | ||
9853 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 9854 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 9855 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
9856 | return -EINVAL; |
9857 | ||
9858 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 9859 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
9860 | return -EINVAL; |
9861 | ||
9862 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
9863 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
9864 | return -EINVAL; | |
9865 | ||
9866 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
9867 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9868 | ||
9869 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9870 | tokens_size = tokln - sizeof(*tok); | |
9871 | ||
9872 | if (!tok->len || tokens_size % tok->len) | |
9873 | return -EINVAL; | |
964dc9e2 | 9874 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 9875 | return -EINVAL; |
964dc9e2 | 9876 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 9877 | return -EINVAL; |
964dc9e2 | 9878 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 9879 | return -EINVAL; |
964dc9e2 | 9880 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
9881 | return -EINVAL; |
9882 | if (tok->offset + tok->len > data_size) | |
9883 | return -EINVAL; | |
9884 | } | |
9885 | ||
9886 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
9887 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 9888 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
9889 | return -EINVAL; |
9890 | if (seq->len == 0 || seq->len > 4) | |
9891 | return -EINVAL; | |
9892 | if (seq->len + seq->offset > data_size) | |
9893 | return -EINVAL; | |
9894 | } | |
9895 | ||
9896 | size = sizeof(*cfg); | |
9897 | size += data_size; | |
9898 | size += wake_size + wake_mask_size; | |
9899 | size += tokens_size; | |
9900 | ||
9901 | cfg = kzalloc(size, GFP_KERNEL); | |
9902 | if (!cfg) | |
9903 | return -ENOMEM; | |
67b61f6c JB |
9904 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
9905 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
9906 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
9907 | ETH_ALEN); | |
9908 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
9909 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
9910 | else | |
9911 | port = 0; | |
9912 | #ifdef CONFIG_INET | |
9913 | /* allocate a socket and port for it and use it */ | |
9914 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
9915 | IPPROTO_TCP, &cfg->sock, 1); | |
9916 | if (err) { | |
9917 | kfree(cfg); | |
9918 | return err; | |
9919 | } | |
9920 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
9921 | sock_release(cfg->sock); | |
9922 | kfree(cfg); | |
9923 | return -EADDRINUSE; | |
9924 | } | |
9925 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
9926 | #else | |
9927 | if (!port) { | |
9928 | kfree(cfg); | |
9929 | return -EINVAL; | |
9930 | } | |
9931 | cfg->src_port = port; | |
9932 | #endif | |
9933 | ||
9934 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
9935 | cfg->payload_len = data_size; | |
9936 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
9937 | memcpy((void *)cfg->payload, | |
9938 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
9939 | data_size); | |
9940 | if (seq) | |
9941 | cfg->payload_seq = *seq; | |
9942 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
9943 | cfg->wake_len = wake_size; | |
9944 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
9945 | memcpy((void *)cfg->wake_data, | |
9946 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
9947 | wake_size); | |
9948 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
9949 | data_size + wake_size; | |
9950 | memcpy((void *)cfg->wake_mask, | |
9951 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
9952 | wake_mask_size); | |
9953 | if (tok) { | |
9954 | cfg->tokens_size = tokens_size; | |
9955 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
9956 | } | |
9957 | ||
9958 | trig->tcp = cfg; | |
9959 | ||
9960 | return 0; | |
9961 | } | |
9962 | ||
8cd4d456 LC |
9963 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
9964 | const struct wiphy_wowlan_support *wowlan, | |
9965 | struct nlattr *attr, | |
9966 | struct cfg80211_wowlan *trig) | |
9967 | { | |
9968 | struct nlattr **tb; | |
9969 | int err; | |
9970 | ||
9971 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
9972 | if (!tb) | |
9973 | return -ENOMEM; | |
9974 | ||
9975 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
9976 | err = -EOPNOTSUPP; | |
9977 | goto out; | |
9978 | } | |
9979 | ||
bfe2c7b1 | 9980 | err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy); |
8cd4d456 LC |
9981 | if (err) |
9982 | goto out; | |
9983 | ||
ad2b26ab | 9984 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb); |
8cd4d456 LC |
9985 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
9986 | if (err) | |
9987 | trig->nd_config = NULL; | |
9988 | ||
9989 | out: | |
9990 | kfree(tb); | |
9991 | return err; | |
9992 | } | |
9993 | ||
ff1b6e69 JB |
9994 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
9995 | { | |
9996 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9997 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 9998 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 9999 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 10000 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 10001 | int err, i; |
6abb9cb9 | 10002 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 10003 | bool regular = false; |
ff1b6e69 | 10004 | |
964dc9e2 | 10005 | if (!wowlan) |
ff1b6e69 JB |
10006 | return -EOPNOTSUPP; |
10007 | ||
ae33bd81 JB |
10008 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
10009 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 10010 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
10011 | goto set_wakeup; |
10012 | } | |
ff1b6e69 | 10013 | |
bfe2c7b1 JB |
10014 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG, |
10015 | info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS], | |
10016 | nl80211_wowlan_policy); | |
ff1b6e69 JB |
10017 | if (err) |
10018 | return err; | |
10019 | ||
10020 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
10021 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
10022 | return -EINVAL; | |
10023 | new_triggers.any = true; | |
10024 | } | |
10025 | ||
10026 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
10027 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
10028 | return -EINVAL; | |
10029 | new_triggers.disconnect = true; | |
98fc4386 | 10030 | regular = true; |
ff1b6e69 JB |
10031 | } |
10032 | ||
10033 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
10034 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
10035 | return -EINVAL; | |
10036 | new_triggers.magic_pkt = true; | |
98fc4386 | 10037 | regular = true; |
ff1b6e69 JB |
10038 | } |
10039 | ||
77dbbb13 JB |
10040 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
10041 | return -EINVAL; | |
10042 | ||
10043 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
10044 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
10045 | return -EINVAL; | |
10046 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 10047 | regular = true; |
77dbbb13 JB |
10048 | } |
10049 | ||
10050 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
10051 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
10052 | return -EINVAL; | |
10053 | new_triggers.eap_identity_req = true; | |
98fc4386 | 10054 | regular = true; |
77dbbb13 JB |
10055 | } |
10056 | ||
10057 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
10058 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
10059 | return -EINVAL; | |
10060 | new_triggers.four_way_handshake = true; | |
98fc4386 | 10061 | regular = true; |
77dbbb13 JB |
10062 | } |
10063 | ||
10064 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
10065 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
10066 | return -EINVAL; | |
10067 | new_triggers.rfkill_release = true; | |
98fc4386 | 10068 | regular = true; |
77dbbb13 JB |
10069 | } |
10070 | ||
ff1b6e69 JB |
10071 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
10072 | struct nlattr *pat; | |
10073 | int n_patterns = 0; | |
bb92d199 | 10074 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 10075 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 10076 | |
98fc4386 JB |
10077 | regular = true; |
10078 | ||
ff1b6e69 JB |
10079 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
10080 | rem) | |
10081 | n_patterns++; | |
10082 | if (n_patterns > wowlan->n_patterns) | |
10083 | return -EINVAL; | |
10084 | ||
10085 | new_triggers.patterns = kcalloc(n_patterns, | |
10086 | sizeof(new_triggers.patterns[0]), | |
10087 | GFP_KERNEL); | |
10088 | if (!new_triggers.patterns) | |
10089 | return -ENOMEM; | |
10090 | ||
10091 | new_triggers.n_patterns = n_patterns; | |
10092 | i = 0; | |
10093 | ||
10094 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
10095 | rem) { | |
922bd80f JB |
10096 | u8 *mask_pat; |
10097 | ||
bfe2c7b1 JB |
10098 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, |
10099 | NULL); | |
ff1b6e69 | 10100 | err = -EINVAL; |
50ac6607 AK |
10101 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10102 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 10103 | goto error; |
50ac6607 | 10104 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 10105 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 10106 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
10107 | goto error; |
10108 | if (pat_len > wowlan->pattern_max_len || | |
10109 | pat_len < wowlan->pattern_min_len) | |
10110 | goto error; | |
10111 | ||
50ac6607 | 10112 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
10113 | pkt_offset = 0; |
10114 | else | |
10115 | pkt_offset = nla_get_u32( | |
50ac6607 | 10116 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
10117 | if (pkt_offset > wowlan->max_pkt_offset) |
10118 | goto error; | |
10119 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
10120 | ||
922bd80f JB |
10121 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10122 | if (!mask_pat) { | |
ff1b6e69 JB |
10123 | err = -ENOMEM; |
10124 | goto error; | |
10125 | } | |
922bd80f JB |
10126 | new_triggers.patterns[i].mask = mask_pat; |
10127 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 10128 | mask_len); |
922bd80f JB |
10129 | mask_pat += mask_len; |
10130 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 10131 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 10132 | memcpy(mask_pat, |
50ac6607 | 10133 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
10134 | pat_len); |
10135 | i++; | |
10136 | } | |
10137 | } | |
10138 | ||
2a0e047e | 10139 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 10140 | regular = true; |
2a0e047e JB |
10141 | err = nl80211_parse_wowlan_tcp( |
10142 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
10143 | &new_triggers); | |
10144 | if (err) | |
10145 | goto error; | |
10146 | } | |
10147 | ||
8cd4d456 | 10148 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 10149 | regular = true; |
8cd4d456 LC |
10150 | err = nl80211_parse_wowlan_nd( |
10151 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
10152 | &new_triggers); | |
10153 | if (err) | |
10154 | goto error; | |
10155 | } | |
10156 | ||
98fc4386 JB |
10157 | /* The 'any' trigger means the device continues operating more or less |
10158 | * as in its normal operation mode and wakes up the host on most of the | |
10159 | * normal interrupts (like packet RX, ...) | |
10160 | * It therefore makes little sense to combine with the more constrained | |
10161 | * wakeup trigger modes. | |
10162 | */ | |
10163 | if (new_triggers.any && regular) { | |
10164 | err = -EINVAL; | |
10165 | goto error; | |
10166 | } | |
10167 | ||
ae33bd81 JB |
10168 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
10169 | if (!ntrig) { | |
10170 | err = -ENOMEM; | |
10171 | goto error; | |
ff1b6e69 | 10172 | } |
ae33bd81 | 10173 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 10174 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 10175 | |
ae33bd81 | 10176 | set_wakeup: |
6abb9cb9 JB |
10177 | if (rdev->ops->set_wakeup && |
10178 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
10179 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 10180 | |
ff1b6e69 JB |
10181 | return 0; |
10182 | error: | |
10183 | for (i = 0; i < new_triggers.n_patterns; i++) | |
10184 | kfree(new_triggers.patterns[i].mask); | |
10185 | kfree(new_triggers.patterns); | |
2a0e047e JB |
10186 | if (new_triggers.tcp && new_triggers.tcp->sock) |
10187 | sock_release(new_triggers.tcp->sock); | |
10188 | kfree(new_triggers.tcp); | |
e5dbe070 | 10189 | kfree(new_triggers.nd_config); |
ff1b6e69 JB |
10190 | return err; |
10191 | } | |
dfb89c56 | 10192 | #endif |
ff1b6e69 | 10193 | |
be29b99a AK |
10194 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
10195 | struct cfg80211_registered_device *rdev) | |
10196 | { | |
10197 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
10198 | int i, j, pat_len; | |
10199 | struct cfg80211_coalesce_rules *rule; | |
10200 | ||
10201 | if (!rdev->coalesce->n_rules) | |
10202 | return 0; | |
10203 | ||
10204 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
10205 | if (!nl_rules) | |
10206 | return -ENOBUFS; | |
10207 | ||
10208 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
10209 | nl_rule = nla_nest_start(msg, i + 1); | |
10210 | if (!nl_rule) | |
10211 | return -ENOBUFS; | |
10212 | ||
10213 | rule = &rdev->coalesce->rules[i]; | |
10214 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
10215 | rule->delay)) | |
10216 | return -ENOBUFS; | |
10217 | ||
10218 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
10219 | rule->condition)) | |
10220 | return -ENOBUFS; | |
10221 | ||
10222 | nl_pats = nla_nest_start(msg, | |
10223 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
10224 | if (!nl_pats) | |
10225 | return -ENOBUFS; | |
10226 | ||
10227 | for (j = 0; j < rule->n_patterns; j++) { | |
10228 | nl_pat = nla_nest_start(msg, j + 1); | |
10229 | if (!nl_pat) | |
10230 | return -ENOBUFS; | |
10231 | pat_len = rule->patterns[j].pattern_len; | |
10232 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
10233 | DIV_ROUND_UP(pat_len, 8), | |
10234 | rule->patterns[j].mask) || | |
10235 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
10236 | rule->patterns[j].pattern) || | |
10237 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
10238 | rule->patterns[j].pkt_offset)) | |
10239 | return -ENOBUFS; | |
10240 | nla_nest_end(msg, nl_pat); | |
10241 | } | |
10242 | nla_nest_end(msg, nl_pats); | |
10243 | nla_nest_end(msg, nl_rule); | |
10244 | } | |
10245 | nla_nest_end(msg, nl_rules); | |
10246 | ||
10247 | return 0; | |
10248 | } | |
10249 | ||
10250 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10251 | { | |
10252 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10253 | struct sk_buff *msg; | |
10254 | void *hdr; | |
10255 | ||
10256 | if (!rdev->wiphy.coalesce) | |
10257 | return -EOPNOTSUPP; | |
10258 | ||
10259 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10260 | if (!msg) | |
10261 | return -ENOMEM; | |
10262 | ||
10263 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10264 | NL80211_CMD_GET_COALESCE); | |
10265 | if (!hdr) | |
10266 | goto nla_put_failure; | |
10267 | ||
10268 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
10269 | goto nla_put_failure; | |
10270 | ||
10271 | genlmsg_end(msg, hdr); | |
10272 | return genlmsg_reply(msg, info); | |
10273 | ||
10274 | nla_put_failure: | |
10275 | nlmsg_free(msg); | |
10276 | return -ENOBUFS; | |
10277 | } | |
10278 | ||
10279 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
10280 | { | |
10281 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
10282 | int i, j; | |
10283 | struct cfg80211_coalesce_rules *rule; | |
10284 | ||
10285 | if (!coalesce) | |
10286 | return; | |
10287 | ||
10288 | for (i = 0; i < coalesce->n_rules; i++) { | |
10289 | rule = &coalesce->rules[i]; | |
10290 | for (j = 0; j < rule->n_patterns; j++) | |
10291 | kfree(rule->patterns[j].mask); | |
10292 | kfree(rule->patterns); | |
10293 | } | |
10294 | kfree(coalesce->rules); | |
10295 | kfree(coalesce); | |
10296 | rdev->coalesce = NULL; | |
10297 | } | |
10298 | ||
10299 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
10300 | struct nlattr *rule, | |
10301 | struct cfg80211_coalesce_rules *new_rule) | |
10302 | { | |
10303 | int err, i; | |
10304 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10305 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
10306 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
10307 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
10308 | ||
bfe2c7b1 JB |
10309 | err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule, |
10310 | nl80211_coalesce_policy); | |
be29b99a AK |
10311 | if (err) |
10312 | return err; | |
10313 | ||
10314 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
10315 | new_rule->delay = | |
10316 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
10317 | if (new_rule->delay > coalesce->max_delay) | |
10318 | return -EINVAL; | |
10319 | ||
10320 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
10321 | new_rule->condition = | |
10322 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
10323 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
10324 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
10325 | return -EINVAL; | |
10326 | ||
10327 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
10328 | return -EINVAL; | |
10329 | ||
10330 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10331 | rem) | |
10332 | n_patterns++; | |
10333 | if (n_patterns > coalesce->n_patterns) | |
10334 | return -EINVAL; | |
10335 | ||
10336 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
10337 | GFP_KERNEL); | |
10338 | if (!new_rule->patterns) | |
10339 | return -ENOMEM; | |
10340 | ||
10341 | new_rule->n_patterns = n_patterns; | |
10342 | i = 0; | |
10343 | ||
10344 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10345 | rem) { | |
922bd80f JB |
10346 | u8 *mask_pat; |
10347 | ||
bfe2c7b1 | 10348 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL); |
be29b99a AK |
10349 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10350 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
10351 | return -EINVAL; | |
10352 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
10353 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
10354 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
10355 | return -EINVAL; | |
10356 | if (pat_len > coalesce->pattern_max_len || | |
10357 | pat_len < coalesce->pattern_min_len) | |
10358 | return -EINVAL; | |
10359 | ||
10360 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
10361 | pkt_offset = 0; | |
10362 | else | |
10363 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
10364 | if (pkt_offset > coalesce->max_pkt_offset) | |
10365 | return -EINVAL; | |
10366 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
10367 | ||
922bd80f JB |
10368 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10369 | if (!mask_pat) | |
be29b99a | 10370 | return -ENOMEM; |
922bd80f JB |
10371 | |
10372 | new_rule->patterns[i].mask = mask_pat; | |
10373 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
10374 | mask_len); | |
10375 | ||
10376 | mask_pat += mask_len; | |
10377 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 10378 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
10379 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
10380 | pat_len); | |
be29b99a AK |
10381 | i++; |
10382 | } | |
10383 | ||
10384 | return 0; | |
10385 | } | |
10386 | ||
10387 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10388 | { | |
10389 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10390 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10391 | struct cfg80211_coalesce new_coalesce = {}; | |
10392 | struct cfg80211_coalesce *n_coalesce; | |
10393 | int err, rem_rule, n_rules = 0, i, j; | |
10394 | struct nlattr *rule; | |
10395 | struct cfg80211_coalesce_rules *tmp_rule; | |
10396 | ||
10397 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
10398 | return -EOPNOTSUPP; | |
10399 | ||
10400 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
10401 | cfg80211_rdev_free_coalesce(rdev); | |
a1056b1b | 10402 | rdev_set_coalesce(rdev, NULL); |
be29b99a AK |
10403 | return 0; |
10404 | } | |
10405 | ||
10406 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10407 | rem_rule) | |
10408 | n_rules++; | |
10409 | if (n_rules > coalesce->n_rules) | |
10410 | return -EINVAL; | |
10411 | ||
10412 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
10413 | GFP_KERNEL); | |
10414 | if (!new_coalesce.rules) | |
10415 | return -ENOMEM; | |
10416 | ||
10417 | new_coalesce.n_rules = n_rules; | |
10418 | i = 0; | |
10419 | ||
10420 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10421 | rem_rule) { | |
10422 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
10423 | &new_coalesce.rules[i]); | |
10424 | if (err) | |
10425 | goto error; | |
10426 | ||
10427 | i++; | |
10428 | } | |
10429 | ||
a1056b1b | 10430 | err = rdev_set_coalesce(rdev, &new_coalesce); |
be29b99a AK |
10431 | if (err) |
10432 | goto error; | |
10433 | ||
10434 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
10435 | if (!n_coalesce) { | |
10436 | err = -ENOMEM; | |
10437 | goto error; | |
10438 | } | |
10439 | cfg80211_rdev_free_coalesce(rdev); | |
10440 | rdev->coalesce = n_coalesce; | |
10441 | ||
10442 | return 0; | |
10443 | error: | |
10444 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
10445 | tmp_rule = &new_coalesce.rules[i]; | |
10446 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
10447 | kfree(tmp_rule->patterns[j].mask); | |
10448 | kfree(tmp_rule->patterns); | |
10449 | } | |
10450 | kfree(new_coalesce.rules); | |
10451 | ||
10452 | return err; | |
10453 | } | |
10454 | ||
e5497d76 JB |
10455 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
10456 | { | |
10457 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10458 | struct net_device *dev = info->user_ptr[1]; | |
10459 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10460 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
10461 | struct cfg80211_gtk_rekey_data rekey_data; | |
10462 | int err; | |
10463 | ||
10464 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
10465 | return -EINVAL; | |
10466 | ||
bfe2c7b1 JB |
10467 | err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA, |
10468 | info->attrs[NL80211_ATTR_REKEY_DATA], | |
10469 | nl80211_rekey_policy); | |
e5497d76 JB |
10470 | if (err) |
10471 | return err; | |
10472 | ||
10473 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
10474 | return -ERANGE; | |
10475 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
10476 | return -ERANGE; | |
10477 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
10478 | return -ERANGE; | |
10479 | ||
78f686ca JB |
10480 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
10481 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
10482 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
10483 | |
10484 | wdev_lock(wdev); | |
10485 | if (!wdev->current_bss) { | |
10486 | err = -ENOTCONN; | |
10487 | goto out; | |
10488 | } | |
10489 | ||
10490 | if (!rdev->ops->set_rekey_data) { | |
10491 | err = -EOPNOTSUPP; | |
10492 | goto out; | |
10493 | } | |
10494 | ||
e35e4d28 | 10495 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
10496 | out: |
10497 | wdev_unlock(wdev); | |
10498 | return err; | |
10499 | } | |
10500 | ||
28946da7 JB |
10501 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
10502 | struct genl_info *info) | |
10503 | { | |
10504 | struct net_device *dev = info->user_ptr[1]; | |
10505 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10506 | ||
10507 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10508 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10509 | return -EINVAL; | |
10510 | ||
15e47304 | 10511 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
10512 | return -EBUSY; |
10513 | ||
15e47304 | 10514 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
10515 | return 0; |
10516 | } | |
10517 | ||
7f6cf311 JB |
10518 | static int nl80211_probe_client(struct sk_buff *skb, |
10519 | struct genl_info *info) | |
10520 | { | |
10521 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10522 | struct net_device *dev = info->user_ptr[1]; | |
10523 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10524 | struct sk_buff *msg; | |
10525 | void *hdr; | |
10526 | const u8 *addr; | |
10527 | u64 cookie; | |
10528 | int err; | |
10529 | ||
10530 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10531 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10532 | return -EOPNOTSUPP; | |
10533 | ||
10534 | if (!info->attrs[NL80211_ATTR_MAC]) | |
10535 | return -EINVAL; | |
10536 | ||
10537 | if (!rdev->ops->probe_client) | |
10538 | return -EOPNOTSUPP; | |
10539 | ||
10540 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10541 | if (!msg) | |
10542 | return -ENOMEM; | |
10543 | ||
15e47304 | 10544 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 10545 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
10546 | if (!hdr) { |
10547 | err = -ENOBUFS; | |
7f6cf311 JB |
10548 | goto free_msg; |
10549 | } | |
10550 | ||
10551 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10552 | ||
e35e4d28 | 10553 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
10554 | if (err) |
10555 | goto free_msg; | |
10556 | ||
2dad624e ND |
10557 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
10558 | NL80211_ATTR_PAD)) | |
9360ffd1 | 10559 | goto nla_put_failure; |
7f6cf311 JB |
10560 | |
10561 | genlmsg_end(msg, hdr); | |
10562 | ||
10563 | return genlmsg_reply(msg, info); | |
10564 | ||
10565 | nla_put_failure: | |
10566 | err = -ENOBUFS; | |
10567 | free_msg: | |
10568 | nlmsg_free(msg); | |
10569 | return err; | |
10570 | } | |
10571 | ||
5e760230 JB |
10572 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
10573 | { | |
10574 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
10575 | struct cfg80211_beacon_registration *reg, *nreg; |
10576 | int rv; | |
5e760230 JB |
10577 | |
10578 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
10579 | return -EOPNOTSUPP; | |
10580 | ||
37c73b5f BG |
10581 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
10582 | if (!nreg) | |
10583 | return -ENOMEM; | |
10584 | ||
10585 | /* First, check if already registered. */ | |
10586 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
10587 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
10588 | if (reg->nlportid == info->snd_portid) { | |
10589 | rv = -EALREADY; | |
10590 | goto out_err; | |
10591 | } | |
10592 | } | |
10593 | /* Add it to the list */ | |
10594 | nreg->nlportid = info->snd_portid; | |
10595 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 10596 | |
37c73b5f | 10597 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
10598 | |
10599 | return 0; | |
37c73b5f BG |
10600 | out_err: |
10601 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
10602 | kfree(nreg); | |
10603 | return rv; | |
5e760230 JB |
10604 | } |
10605 | ||
98104fde JB |
10606 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
10607 | { | |
10608 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10609 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10610 | int err; | |
10611 | ||
10612 | if (!rdev->ops->start_p2p_device) | |
10613 | return -EOPNOTSUPP; | |
10614 | ||
10615 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10616 | return -EOPNOTSUPP; | |
10617 | ||
73c7da3d | 10618 | if (wdev_running(wdev)) |
98104fde JB |
10619 | return 0; |
10620 | ||
b6a55015 LC |
10621 | if (rfkill_blocked(rdev->rfkill)) |
10622 | return -ERFKILL; | |
98104fde | 10623 | |
eeb126e9 | 10624 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
10625 | if (err) |
10626 | return err; | |
10627 | ||
73c7da3d | 10628 | wdev->is_running = true; |
98104fde | 10629 | rdev->opencount++; |
98104fde JB |
10630 | |
10631 | return 0; | |
10632 | } | |
10633 | ||
10634 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
10635 | { | |
10636 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10637 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10638 | ||
10639 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10640 | return -EOPNOTSUPP; | |
10641 | ||
10642 | if (!rdev->ops->stop_p2p_device) | |
10643 | return -EOPNOTSUPP; | |
10644 | ||
f9f47529 | 10645 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
10646 | |
10647 | return 0; | |
10648 | } | |
10649 | ||
cb3b7d87 AB |
10650 | static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info) |
10651 | { | |
10652 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10653 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10654 | struct cfg80211_nan_conf conf = {}; | |
10655 | int err; | |
10656 | ||
10657 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10658 | return -EOPNOTSUPP; | |
10659 | ||
eeb04a96 | 10660 | if (wdev_running(wdev)) |
cb3b7d87 AB |
10661 | return -EEXIST; |
10662 | ||
10663 | if (rfkill_blocked(rdev->rfkill)) | |
10664 | return -ERFKILL; | |
10665 | ||
10666 | if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) | |
10667 | return -EINVAL; | |
10668 | ||
10669 | if (!info->attrs[NL80211_ATTR_NAN_DUAL]) | |
10670 | return -EINVAL; | |
10671 | ||
10672 | conf.master_pref = | |
10673 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
10674 | if (!conf.master_pref) | |
10675 | return -EINVAL; | |
10676 | ||
10677 | conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]); | |
10678 | ||
10679 | err = rdev_start_nan(rdev, wdev, &conf); | |
10680 | if (err) | |
10681 | return err; | |
10682 | ||
73c7da3d | 10683 | wdev->is_running = true; |
cb3b7d87 AB |
10684 | rdev->opencount++; |
10685 | ||
10686 | return 0; | |
10687 | } | |
10688 | ||
10689 | static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info) | |
10690 | { | |
10691 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10692 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10693 | ||
10694 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10695 | return -EOPNOTSUPP; | |
10696 | ||
10697 | cfg80211_stop_nan(rdev, wdev); | |
10698 | ||
10699 | return 0; | |
10700 | } | |
10701 | ||
a442b761 AB |
10702 | static int validate_nan_filter(struct nlattr *filter_attr) |
10703 | { | |
10704 | struct nlattr *attr; | |
10705 | int len = 0, n_entries = 0, rem; | |
10706 | ||
10707 | nla_for_each_nested(attr, filter_attr, rem) { | |
10708 | len += nla_len(attr); | |
10709 | n_entries++; | |
10710 | } | |
10711 | ||
10712 | if (len >= U8_MAX) | |
10713 | return -EINVAL; | |
10714 | ||
10715 | return n_entries; | |
10716 | } | |
10717 | ||
10718 | static int handle_nan_filter(struct nlattr *attr_filter, | |
10719 | struct cfg80211_nan_func *func, | |
10720 | bool tx) | |
10721 | { | |
10722 | struct nlattr *attr; | |
10723 | int n_entries, rem, i; | |
10724 | struct cfg80211_nan_func_filter *filter; | |
10725 | ||
10726 | n_entries = validate_nan_filter(attr_filter); | |
10727 | if (n_entries < 0) | |
10728 | return n_entries; | |
10729 | ||
10730 | BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters)); | |
10731 | ||
10732 | filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL); | |
10733 | if (!filter) | |
10734 | return -ENOMEM; | |
10735 | ||
10736 | i = 0; | |
10737 | nla_for_each_nested(attr, attr_filter, rem) { | |
b15ca182 | 10738 | filter[i].filter = nla_memdup(attr, GFP_KERNEL); |
a442b761 AB |
10739 | filter[i].len = nla_len(attr); |
10740 | i++; | |
10741 | } | |
10742 | if (tx) { | |
10743 | func->num_tx_filters = n_entries; | |
10744 | func->tx_filters = filter; | |
10745 | } else { | |
10746 | func->num_rx_filters = n_entries; | |
10747 | func->rx_filters = filter; | |
10748 | } | |
10749 | ||
10750 | return 0; | |
10751 | } | |
10752 | ||
10753 | static int nl80211_nan_add_func(struct sk_buff *skb, | |
10754 | struct genl_info *info) | |
10755 | { | |
10756 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10757 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10758 | struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr; | |
10759 | struct cfg80211_nan_func *func; | |
10760 | struct sk_buff *msg = NULL; | |
10761 | void *hdr = NULL; | |
10762 | int err = 0; | |
10763 | ||
10764 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10765 | return -EOPNOTSUPP; | |
10766 | ||
73c7da3d | 10767 | if (!wdev_running(wdev)) |
a442b761 AB |
10768 | return -ENOTCONN; |
10769 | ||
10770 | if (!info->attrs[NL80211_ATTR_NAN_FUNC]) | |
10771 | return -EINVAL; | |
10772 | ||
10773 | if (wdev->owner_nlportid && | |
10774 | wdev->owner_nlportid != info->snd_portid) | |
10775 | return -ENOTCONN; | |
10776 | ||
bfe2c7b1 JB |
10777 | err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX, |
10778 | info->attrs[NL80211_ATTR_NAN_FUNC], | |
10779 | nl80211_nan_func_policy); | |
a442b761 AB |
10780 | if (err) |
10781 | return err; | |
10782 | ||
10783 | func = kzalloc(sizeof(*func), GFP_KERNEL); | |
10784 | if (!func) | |
10785 | return -ENOMEM; | |
10786 | ||
10787 | func->cookie = wdev->wiphy->cookie_counter++; | |
10788 | ||
10789 | if (!tb[NL80211_NAN_FUNC_TYPE] || | |
10790 | nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) { | |
10791 | err = -EINVAL; | |
10792 | goto out; | |
10793 | } | |
10794 | ||
10795 | ||
10796 | func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]); | |
10797 | ||
10798 | if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) { | |
10799 | err = -EINVAL; | |
10800 | goto out; | |
10801 | } | |
10802 | ||
10803 | memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]), | |
10804 | sizeof(func->service_id)); | |
10805 | ||
10806 | func->close_range = | |
10807 | nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]); | |
10808 | ||
10809 | if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) { | |
10810 | func->serv_spec_info_len = | |
10811 | nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]); | |
10812 | func->serv_spec_info = | |
10813 | kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]), | |
10814 | func->serv_spec_info_len, | |
10815 | GFP_KERNEL); | |
10816 | if (!func->serv_spec_info) { | |
10817 | err = -ENOMEM; | |
10818 | goto out; | |
10819 | } | |
10820 | } | |
10821 | ||
10822 | if (tb[NL80211_NAN_FUNC_TTL]) | |
10823 | func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]); | |
10824 | ||
10825 | switch (func->type) { | |
10826 | case NL80211_NAN_FUNC_PUBLISH: | |
10827 | if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) { | |
10828 | err = -EINVAL; | |
10829 | goto out; | |
10830 | } | |
10831 | ||
10832 | func->publish_type = | |
10833 | nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]); | |
10834 | func->publish_bcast = | |
10835 | nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]); | |
10836 | ||
10837 | if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) && | |
10838 | func->publish_bcast) { | |
10839 | err = -EINVAL; | |
10840 | goto out; | |
10841 | } | |
10842 | break; | |
10843 | case NL80211_NAN_FUNC_SUBSCRIBE: | |
10844 | func->subscribe_active = | |
10845 | nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]); | |
10846 | break; | |
10847 | case NL80211_NAN_FUNC_FOLLOW_UP: | |
10848 | if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] || | |
10849 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) { | |
10850 | err = -EINVAL; | |
10851 | goto out; | |
10852 | } | |
10853 | ||
10854 | func->followup_id = | |
10855 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]); | |
10856 | func->followup_reqid = | |
10857 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]); | |
10858 | memcpy(func->followup_dest.addr, | |
10859 | nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]), | |
10860 | sizeof(func->followup_dest.addr)); | |
10861 | if (func->ttl) { | |
10862 | err = -EINVAL; | |
10863 | goto out; | |
10864 | } | |
10865 | break; | |
10866 | default: | |
10867 | err = -EINVAL; | |
10868 | goto out; | |
10869 | } | |
10870 | ||
10871 | if (tb[NL80211_NAN_FUNC_SRF]) { | |
10872 | struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR]; | |
10873 | ||
bfe2c7b1 JB |
10874 | err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX, |
10875 | tb[NL80211_NAN_FUNC_SRF], | |
10876 | nl80211_nan_srf_policy); | |
a442b761 AB |
10877 | if (err) |
10878 | goto out; | |
10879 | ||
10880 | func->srf_include = | |
10881 | nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]); | |
10882 | ||
10883 | if (srf_tb[NL80211_NAN_SRF_BF]) { | |
10884 | if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] || | |
10885 | !srf_tb[NL80211_NAN_SRF_BF_IDX]) { | |
10886 | err = -EINVAL; | |
10887 | goto out; | |
10888 | } | |
10889 | ||
10890 | func->srf_bf_len = | |
10891 | nla_len(srf_tb[NL80211_NAN_SRF_BF]); | |
10892 | func->srf_bf = | |
10893 | kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]), | |
10894 | func->srf_bf_len, GFP_KERNEL); | |
10895 | if (!func->srf_bf) { | |
10896 | err = -ENOMEM; | |
10897 | goto out; | |
10898 | } | |
10899 | ||
10900 | func->srf_bf_idx = | |
10901 | nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]); | |
10902 | } else { | |
10903 | struct nlattr *attr, *mac_attr = | |
10904 | srf_tb[NL80211_NAN_SRF_MAC_ADDRS]; | |
10905 | int n_entries, rem, i = 0; | |
10906 | ||
10907 | if (!mac_attr) { | |
10908 | err = -EINVAL; | |
10909 | goto out; | |
10910 | } | |
10911 | ||
10912 | n_entries = validate_acl_mac_addrs(mac_attr); | |
10913 | if (n_entries <= 0) { | |
10914 | err = -EINVAL; | |
10915 | goto out; | |
10916 | } | |
10917 | ||
10918 | func->srf_num_macs = n_entries; | |
10919 | func->srf_macs = | |
10920 | kzalloc(sizeof(*func->srf_macs) * n_entries, | |
10921 | GFP_KERNEL); | |
10922 | if (!func->srf_macs) { | |
10923 | err = -ENOMEM; | |
10924 | goto out; | |
10925 | } | |
10926 | ||
10927 | nla_for_each_nested(attr, mac_attr, rem) | |
10928 | memcpy(func->srf_macs[i++].addr, nla_data(attr), | |
10929 | sizeof(*func->srf_macs)); | |
10930 | } | |
10931 | } | |
10932 | ||
10933 | if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) { | |
10934 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER], | |
10935 | func, true); | |
10936 | if (err) | |
10937 | goto out; | |
10938 | } | |
10939 | ||
10940 | if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) { | |
10941 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER], | |
10942 | func, false); | |
10943 | if (err) | |
10944 | goto out; | |
10945 | } | |
10946 | ||
10947 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10948 | if (!msg) { | |
10949 | err = -ENOMEM; | |
10950 | goto out; | |
10951 | } | |
10952 | ||
10953 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10954 | NL80211_CMD_ADD_NAN_FUNCTION); | |
10955 | /* This can't really happen - we just allocated 4KB */ | |
10956 | if (WARN_ON(!hdr)) { | |
10957 | err = -ENOMEM; | |
10958 | goto out; | |
10959 | } | |
10960 | ||
10961 | err = rdev_add_nan_func(rdev, wdev, func); | |
10962 | out: | |
10963 | if (err < 0) { | |
10964 | cfg80211_free_nan_func(func); | |
10965 | nlmsg_free(msg); | |
10966 | return err; | |
10967 | } | |
10968 | ||
10969 | /* propagate the instance id and cookie to userspace */ | |
10970 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie, | |
10971 | NL80211_ATTR_PAD)) | |
10972 | goto nla_put_failure; | |
10973 | ||
10974 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
10975 | if (!func_attr) | |
10976 | goto nla_put_failure; | |
10977 | ||
10978 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, | |
10979 | func->instance_id)) | |
10980 | goto nla_put_failure; | |
10981 | ||
10982 | nla_nest_end(msg, func_attr); | |
10983 | ||
10984 | genlmsg_end(msg, hdr); | |
10985 | return genlmsg_reply(msg, info); | |
10986 | ||
10987 | nla_put_failure: | |
10988 | nlmsg_free(msg); | |
10989 | return -ENOBUFS; | |
10990 | } | |
10991 | ||
10992 | static int nl80211_nan_del_func(struct sk_buff *skb, | |
10993 | struct genl_info *info) | |
10994 | { | |
10995 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10996 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10997 | u64 cookie; | |
10998 | ||
10999 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11000 | return -EOPNOTSUPP; | |
11001 | ||
73c7da3d | 11002 | if (!wdev_running(wdev)) |
a442b761 AB |
11003 | return -ENOTCONN; |
11004 | ||
11005 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
11006 | return -EINVAL; | |
11007 | ||
11008 | if (wdev->owner_nlportid && | |
11009 | wdev->owner_nlportid != info->snd_portid) | |
11010 | return -ENOTCONN; | |
11011 | ||
11012 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
11013 | ||
11014 | rdev_del_nan_func(rdev, wdev, cookie); | |
11015 | ||
11016 | return 0; | |
11017 | } | |
11018 | ||
a5a9dcf2 AB |
11019 | static int nl80211_nan_change_config(struct sk_buff *skb, |
11020 | struct genl_info *info) | |
11021 | { | |
11022 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11023 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11024 | struct cfg80211_nan_conf conf = {}; | |
11025 | u32 changed = 0; | |
11026 | ||
11027 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11028 | return -EOPNOTSUPP; | |
11029 | ||
73c7da3d | 11030 | if (!wdev_running(wdev)) |
a5a9dcf2 AB |
11031 | return -ENOTCONN; |
11032 | ||
11033 | if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) { | |
11034 | conf.master_pref = | |
11035 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
11036 | if (conf.master_pref <= 1 || conf.master_pref == 255) | |
11037 | return -EINVAL; | |
11038 | ||
11039 | changed |= CFG80211_NAN_CONF_CHANGED_PREF; | |
11040 | } | |
11041 | ||
11042 | if (info->attrs[NL80211_ATTR_NAN_DUAL]) { | |
11043 | conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]); | |
11044 | changed |= CFG80211_NAN_CONF_CHANGED_DUAL; | |
11045 | } | |
11046 | ||
11047 | if (!changed) | |
11048 | return -EINVAL; | |
11049 | ||
11050 | return rdev_nan_change_conf(rdev, wdev, &conf, changed); | |
11051 | } | |
11052 | ||
50bcd31d AB |
11053 | void cfg80211_nan_match(struct wireless_dev *wdev, |
11054 | struct cfg80211_nan_match_params *match, gfp_t gfp) | |
11055 | { | |
11056 | struct wiphy *wiphy = wdev->wiphy; | |
11057 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11058 | struct nlattr *match_attr, *local_func_attr, *peer_func_attr; | |
11059 | struct sk_buff *msg; | |
11060 | void *hdr; | |
11061 | ||
11062 | if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr)) | |
11063 | return; | |
11064 | ||
11065 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11066 | if (!msg) | |
11067 | return; | |
11068 | ||
11069 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH); | |
11070 | if (!hdr) { | |
11071 | nlmsg_free(msg); | |
11072 | return; | |
11073 | } | |
11074 | ||
11075 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11076 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11077 | wdev->netdev->ifindex)) || | |
11078 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11079 | NL80211_ATTR_PAD)) | |
11080 | goto nla_put_failure; | |
11081 | ||
11082 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie, | |
11083 | NL80211_ATTR_PAD) || | |
11084 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr)) | |
11085 | goto nla_put_failure; | |
11086 | ||
11087 | match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH); | |
11088 | if (!match_attr) | |
11089 | goto nla_put_failure; | |
11090 | ||
11091 | local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL); | |
11092 | if (!local_func_attr) | |
11093 | goto nla_put_failure; | |
11094 | ||
11095 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id)) | |
11096 | goto nla_put_failure; | |
11097 | ||
11098 | nla_nest_end(msg, local_func_attr); | |
11099 | ||
11100 | peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER); | |
11101 | if (!peer_func_attr) | |
11102 | goto nla_put_failure; | |
11103 | ||
11104 | if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) || | |
11105 | nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id)) | |
11106 | goto nla_put_failure; | |
11107 | ||
11108 | if (match->info && match->info_len && | |
11109 | nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len, | |
11110 | match->info)) | |
11111 | goto nla_put_failure; | |
11112 | ||
11113 | nla_nest_end(msg, peer_func_attr); | |
11114 | nla_nest_end(msg, match_attr); | |
11115 | genlmsg_end(msg, hdr); | |
11116 | ||
11117 | if (!wdev->owner_nlportid) | |
11118 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11119 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11120 | else | |
11121 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11122 | wdev->owner_nlportid); | |
11123 | ||
11124 | return; | |
11125 | ||
11126 | nla_put_failure: | |
11127 | nlmsg_free(msg); | |
11128 | } | |
11129 | EXPORT_SYMBOL(cfg80211_nan_match); | |
11130 | ||
368e5a7b AB |
11131 | void cfg80211_nan_func_terminated(struct wireless_dev *wdev, |
11132 | u8 inst_id, | |
11133 | enum nl80211_nan_func_term_reason reason, | |
11134 | u64 cookie, gfp_t gfp) | |
11135 | { | |
11136 | struct wiphy *wiphy = wdev->wiphy; | |
11137 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11138 | struct sk_buff *msg; | |
11139 | struct nlattr *func_attr; | |
11140 | void *hdr; | |
11141 | ||
11142 | if (WARN_ON(!inst_id)) | |
11143 | return; | |
11144 | ||
11145 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11146 | if (!msg) | |
11147 | return; | |
11148 | ||
11149 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION); | |
11150 | if (!hdr) { | |
11151 | nlmsg_free(msg); | |
11152 | return; | |
11153 | } | |
11154 | ||
11155 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11156 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11157 | wdev->netdev->ifindex)) || | |
11158 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11159 | NL80211_ATTR_PAD)) | |
11160 | goto nla_put_failure; | |
11161 | ||
11162 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, | |
11163 | NL80211_ATTR_PAD)) | |
11164 | goto nla_put_failure; | |
11165 | ||
11166 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11167 | if (!func_attr) | |
11168 | goto nla_put_failure; | |
11169 | ||
11170 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) || | |
11171 | nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason)) | |
11172 | goto nla_put_failure; | |
11173 | ||
11174 | nla_nest_end(msg, func_attr); | |
11175 | genlmsg_end(msg, hdr); | |
11176 | ||
11177 | if (!wdev->owner_nlportid) | |
11178 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11179 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11180 | else | |
11181 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11182 | wdev->owner_nlportid); | |
11183 | ||
11184 | return; | |
11185 | ||
11186 | nla_put_failure: | |
11187 | nlmsg_free(msg); | |
11188 | } | |
11189 | EXPORT_SYMBOL(cfg80211_nan_func_terminated); | |
11190 | ||
3713b4e3 JB |
11191 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
11192 | struct genl_info *info) | |
11193 | { | |
11194 | void *hdr; | |
11195 | struct sk_buff *msg; | |
11196 | ||
11197 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11198 | if (!msg) | |
11199 | return -ENOMEM; | |
11200 | ||
11201 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11202 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
11203 | if (!hdr) | |
11204 | goto nla_put_failure; | |
11205 | ||
11206 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
11207 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
11208 | goto nla_put_failure; | |
11209 | ||
11210 | genlmsg_end(msg, hdr); | |
11211 | return genlmsg_reply(msg, info); | |
11212 | ||
11213 | nla_put_failure: | |
11214 | kfree_skb(msg); | |
11215 | return -ENOBUFS; | |
11216 | } | |
11217 | ||
355199e0 JM |
11218 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
11219 | { | |
11220 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11221 | struct cfg80211_update_ft_ies_params ft_params; | |
11222 | struct net_device *dev = info->user_ptr[1]; | |
11223 | ||
11224 | if (!rdev->ops->update_ft_ies) | |
11225 | return -EOPNOTSUPP; | |
11226 | ||
11227 | if (!info->attrs[NL80211_ATTR_MDID] || | |
11228 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
11229 | return -EINVAL; | |
11230 | ||
11231 | memset(&ft_params, 0, sizeof(ft_params)); | |
11232 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
11233 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
11234 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
11235 | ||
11236 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
11237 | } | |
11238 | ||
5de17984 AS |
11239 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
11240 | struct genl_info *info) | |
11241 | { | |
11242 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11243 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11244 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
11245 | u16 duration; | |
11246 | int ret; | |
11247 | ||
11248 | if (!rdev->ops->crit_proto_start) | |
11249 | return -EOPNOTSUPP; | |
11250 | ||
11251 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
11252 | return -EINVAL; | |
11253 | ||
11254 | if (rdev->crit_proto_nlportid) | |
11255 | return -EBUSY; | |
11256 | ||
11257 | /* determine protocol if provided */ | |
11258 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
11259 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
11260 | ||
11261 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
11262 | return -EINVAL; | |
11263 | ||
11264 | /* timeout must be provided */ | |
11265 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
11266 | return -EINVAL; | |
11267 | ||
11268 | duration = | |
11269 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
11270 | ||
11271 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
11272 | return -ERANGE; | |
11273 | ||
11274 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
11275 | if (!ret) | |
11276 | rdev->crit_proto_nlportid = info->snd_portid; | |
11277 | ||
11278 | return ret; | |
11279 | } | |
11280 | ||
11281 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
11282 | struct genl_info *info) | |
11283 | { | |
11284 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11285 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11286 | ||
11287 | if (!rdev->ops->crit_proto_stop) | |
11288 | return -EOPNOTSUPP; | |
11289 | ||
11290 | if (rdev->crit_proto_nlportid) { | |
11291 | rdev->crit_proto_nlportid = 0; | |
11292 | rdev_crit_proto_stop(rdev, wdev); | |
11293 | } | |
11294 | return 0; | |
11295 | } | |
11296 | ||
ad7e718c JB |
11297 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
11298 | { | |
11299 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11300 | struct wireless_dev *wdev = | |
11301 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
11302 | int i, err; | |
11303 | u32 vid, subcmd; | |
11304 | ||
11305 | if (!rdev->wiphy.vendor_commands) | |
11306 | return -EOPNOTSUPP; | |
11307 | ||
11308 | if (IS_ERR(wdev)) { | |
11309 | err = PTR_ERR(wdev); | |
11310 | if (err != -EINVAL) | |
11311 | return err; | |
11312 | wdev = NULL; | |
11313 | } else if (wdev->wiphy != &rdev->wiphy) { | |
11314 | return -EINVAL; | |
11315 | } | |
11316 | ||
11317 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
11318 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
11319 | return -EINVAL; | |
11320 | ||
11321 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
11322 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
11323 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
11324 | const struct wiphy_vendor_command *vcmd; | |
11325 | void *data = NULL; | |
11326 | int len = 0; | |
11327 | ||
11328 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
11329 | ||
11330 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11331 | continue; | |
11332 | ||
11333 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11334 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11335 | if (!wdev) | |
11336 | return -EINVAL; | |
11337 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11338 | !wdev->netdev) | |
11339 | return -EINVAL; | |
11340 | ||
11341 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 11342 | if (!wdev_running(wdev)) |
ad7e718c JB |
11343 | return -ENETDOWN; |
11344 | } | |
7bdbe400 JB |
11345 | |
11346 | if (!vcmd->doit) | |
11347 | return -EOPNOTSUPP; | |
ad7e718c JB |
11348 | } else { |
11349 | wdev = NULL; | |
11350 | } | |
11351 | ||
11352 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
11353 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11354 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11355 | } | |
11356 | ||
11357 | rdev->cur_cmd_info = info; | |
11358 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
11359 | data, len); | |
11360 | rdev->cur_cmd_info = NULL; | |
11361 | return err; | |
11362 | } | |
11363 | ||
11364 | return -EOPNOTSUPP; | |
11365 | } | |
11366 | ||
7bdbe400 JB |
11367 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
11368 | struct netlink_callback *cb, | |
11369 | struct cfg80211_registered_device **rdev, | |
11370 | struct wireless_dev **wdev) | |
11371 | { | |
c90c39da | 11372 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
7bdbe400 JB |
11373 | u32 vid, subcmd; |
11374 | unsigned int i; | |
11375 | int vcmd_idx = -1; | |
11376 | int err; | |
11377 | void *data = NULL; | |
11378 | unsigned int data_len = 0; | |
11379 | ||
11380 | rtnl_lock(); | |
11381 | ||
11382 | if (cb->args[0]) { | |
11383 | /* subtract the 1 again here */ | |
11384 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
11385 | struct wireless_dev *tmp; | |
11386 | ||
11387 | if (!wiphy) { | |
11388 | err = -ENODEV; | |
11389 | goto out_unlock; | |
11390 | } | |
11391 | *rdev = wiphy_to_rdev(wiphy); | |
11392 | *wdev = NULL; | |
11393 | ||
11394 | if (cb->args[1]) { | |
53873f13 | 11395 | list_for_each_entry(tmp, &wiphy->wdev_list, list) { |
7bdbe400 JB |
11396 | if (tmp->identifier == cb->args[1] - 1) { |
11397 | *wdev = tmp; | |
11398 | break; | |
11399 | } | |
11400 | } | |
11401 | } | |
11402 | ||
11403 | /* keep rtnl locked in successful case */ | |
11404 | return 0; | |
11405 | } | |
11406 | ||
11407 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
c90c39da | 11408 | attrbuf, nl80211_fam.maxattr, nl80211_policy); |
7bdbe400 JB |
11409 | if (err) |
11410 | goto out_unlock; | |
11411 | ||
c90c39da JB |
11412 | if (!attrbuf[NL80211_ATTR_VENDOR_ID] || |
11413 | !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { | |
7bdbe400 JB |
11414 | err = -EINVAL; |
11415 | goto out_unlock; | |
11416 | } | |
11417 | ||
c90c39da | 11418 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
11419 | if (IS_ERR(*wdev)) |
11420 | *wdev = NULL; | |
11421 | ||
c90c39da | 11422 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
11423 | if (IS_ERR(*rdev)) { |
11424 | err = PTR_ERR(*rdev); | |
11425 | goto out_unlock; | |
11426 | } | |
11427 | ||
c90c39da JB |
11428 | vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); |
11429 | subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
7bdbe400 JB |
11430 | |
11431 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
11432 | const struct wiphy_vendor_command *vcmd; | |
11433 | ||
11434 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
11435 | ||
11436 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11437 | continue; | |
11438 | ||
11439 | if (!vcmd->dumpit) { | |
11440 | err = -EOPNOTSUPP; | |
11441 | goto out_unlock; | |
11442 | } | |
11443 | ||
11444 | vcmd_idx = i; | |
11445 | break; | |
11446 | } | |
11447 | ||
11448 | if (vcmd_idx < 0) { | |
11449 | err = -EOPNOTSUPP; | |
11450 | goto out_unlock; | |
11451 | } | |
11452 | ||
c90c39da JB |
11453 | if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { |
11454 | data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
11455 | data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
7bdbe400 JB |
11456 | } |
11457 | ||
11458 | /* 0 is the first index - add 1 to parse only once */ | |
11459 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
11460 | /* add 1 to know if it was NULL */ | |
11461 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
11462 | cb->args[2] = vcmd_idx; | |
11463 | cb->args[3] = (unsigned long)data; | |
11464 | cb->args[4] = data_len; | |
11465 | ||
11466 | /* keep rtnl locked in successful case */ | |
11467 | return 0; | |
11468 | out_unlock: | |
11469 | rtnl_unlock(); | |
11470 | return err; | |
11471 | } | |
11472 | ||
11473 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
11474 | struct netlink_callback *cb) | |
11475 | { | |
11476 | struct cfg80211_registered_device *rdev; | |
11477 | struct wireless_dev *wdev; | |
11478 | unsigned int vcmd_idx; | |
11479 | const struct wiphy_vendor_command *vcmd; | |
11480 | void *data; | |
11481 | int data_len; | |
11482 | int err; | |
11483 | struct nlattr *vendor_data; | |
11484 | ||
11485 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); | |
11486 | if (err) | |
11487 | return err; | |
11488 | ||
11489 | vcmd_idx = cb->args[2]; | |
11490 | data = (void *)cb->args[3]; | |
11491 | data_len = cb->args[4]; | |
11492 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
11493 | ||
11494 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11495 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11496 | if (!wdev) | |
11497 | return -EINVAL; | |
11498 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11499 | !wdev->netdev) | |
11500 | return -EINVAL; | |
11501 | ||
11502 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 11503 | if (!wdev_running(wdev)) |
7bdbe400 JB |
11504 | return -ENETDOWN; |
11505 | } | |
11506 | } | |
11507 | ||
11508 | while (1) { | |
11509 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
11510 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
11511 | NL80211_CMD_VENDOR); | |
11512 | if (!hdr) | |
11513 | break; | |
11514 | ||
11515 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
11516 | (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
11517 | wdev_id(wdev), | |
11518 | NL80211_ATTR_PAD))) { | |
7bdbe400 JB |
11519 | genlmsg_cancel(skb, hdr); |
11520 | break; | |
11521 | } | |
11522 | ||
11523 | vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA); | |
11524 | if (!vendor_data) { | |
11525 | genlmsg_cancel(skb, hdr); | |
11526 | break; | |
11527 | } | |
11528 | ||
11529 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
11530 | (unsigned long *)&cb->args[5]); | |
11531 | nla_nest_end(skb, vendor_data); | |
11532 | ||
11533 | if (err == -ENOBUFS || err == -ENOENT) { | |
11534 | genlmsg_cancel(skb, hdr); | |
11535 | break; | |
11536 | } else if (err) { | |
11537 | genlmsg_cancel(skb, hdr); | |
11538 | goto out; | |
11539 | } | |
11540 | ||
11541 | genlmsg_end(skb, hdr); | |
11542 | } | |
11543 | ||
11544 | err = skb->len; | |
11545 | out: | |
11546 | rtnl_unlock(); | |
11547 | return err; | |
11548 | } | |
11549 | ||
ad7e718c JB |
11550 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
11551 | enum nl80211_commands cmd, | |
11552 | enum nl80211_attrs attr, | |
11553 | int approxlen) | |
11554 | { | |
f26cbf40 | 11555 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
11556 | |
11557 | if (WARN_ON(!rdev->cur_cmd_info)) | |
11558 | return NULL; | |
11559 | ||
6c09e791 | 11560 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
11561 | rdev->cur_cmd_info->snd_portid, |
11562 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 11563 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
11564 | } |
11565 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
11566 | ||
11567 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
11568 | { | |
11569 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
11570 | void *hdr = ((void **)skb->cb)[1]; | |
11571 | struct nlattr *data = ((void **)skb->cb)[2]; | |
11572 | ||
bd8c78e7 JB |
11573 | /* clear CB data for netlink core to own from now on */ |
11574 | memset(skb->cb, 0, sizeof(skb->cb)); | |
11575 | ||
ad7e718c JB |
11576 | if (WARN_ON(!rdev->cur_cmd_info)) { |
11577 | kfree_skb(skb); | |
11578 | return -EINVAL; | |
11579 | } | |
11580 | ||
11581 | nla_nest_end(skb, data); | |
11582 | genlmsg_end(skb, hdr); | |
11583 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
11584 | } | |
11585 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
11586 | ||
fa9ffc74 KP |
11587 | static int nl80211_set_qos_map(struct sk_buff *skb, |
11588 | struct genl_info *info) | |
11589 | { | |
11590 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11591 | struct cfg80211_qos_map *qos_map = NULL; | |
11592 | struct net_device *dev = info->user_ptr[1]; | |
11593 | u8 *pos, len, num_des, des_len, des; | |
11594 | int ret; | |
11595 | ||
11596 | if (!rdev->ops->set_qos_map) | |
11597 | return -EOPNOTSUPP; | |
11598 | ||
11599 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
11600 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
11601 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
11602 | ||
11603 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
11604 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
11605 | return -EINVAL; | |
11606 | ||
11607 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
11608 | if (!qos_map) | |
11609 | return -ENOMEM; | |
11610 | ||
11611 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
11612 | if (num_des) { | |
11613 | des_len = num_des * | |
11614 | sizeof(struct cfg80211_dscp_exception); | |
11615 | memcpy(qos_map->dscp_exception, pos, des_len); | |
11616 | qos_map->num_des = num_des; | |
11617 | for (des = 0; des < num_des; des++) { | |
11618 | if (qos_map->dscp_exception[des].up > 7) { | |
11619 | kfree(qos_map); | |
11620 | return -EINVAL; | |
11621 | } | |
11622 | } | |
11623 | pos += des_len; | |
11624 | } | |
11625 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
11626 | } | |
11627 | ||
11628 | wdev_lock(dev->ieee80211_ptr); | |
11629 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
11630 | if (!ret) | |
11631 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
11632 | wdev_unlock(dev->ieee80211_ptr); | |
11633 | ||
11634 | kfree(qos_map); | |
11635 | return ret; | |
11636 | } | |
11637 | ||
960d01ac JB |
11638 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
11639 | { | |
11640 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11641 | struct net_device *dev = info->user_ptr[1]; | |
11642 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11643 | const u8 *peer; | |
11644 | u8 tsid, up; | |
11645 | u16 admitted_time = 0; | |
11646 | int err; | |
11647 | ||
723e73ac | 11648 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
11649 | return -EOPNOTSUPP; |
11650 | ||
11651 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
11652 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
11653 | return -EINVAL; | |
11654 | ||
11655 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
11656 | if (tsid >= IEEE80211_NUM_TIDS) | |
11657 | return -EINVAL; | |
11658 | ||
11659 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
11660 | if (up >= IEEE80211_NUM_UPS) | |
11661 | return -EINVAL; | |
11662 | ||
11663 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 11664 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 11665 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
11666 | * need more attributes for that (e.g. BA session requirement); |
11667 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
11668 | */ |
11669 | return -EINVAL; | |
11670 | } | |
11671 | ||
11672 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11673 | ||
11674 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
11675 | admitted_time = | |
11676 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
11677 | if (!admitted_time) | |
11678 | return -EINVAL; | |
11679 | } | |
11680 | ||
11681 | wdev_lock(wdev); | |
11682 | switch (wdev->iftype) { | |
11683 | case NL80211_IFTYPE_STATION: | |
11684 | case NL80211_IFTYPE_P2P_CLIENT: | |
11685 | if (wdev->current_bss) | |
11686 | break; | |
11687 | err = -ENOTCONN; | |
11688 | goto out; | |
11689 | default: | |
11690 | err = -EOPNOTSUPP; | |
11691 | goto out; | |
11692 | } | |
11693 | ||
11694 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
11695 | ||
11696 | out: | |
11697 | wdev_unlock(wdev); | |
11698 | return err; | |
11699 | } | |
11700 | ||
11701 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
11702 | { | |
11703 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11704 | struct net_device *dev = info->user_ptr[1]; | |
11705 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11706 | const u8 *peer; | |
11707 | u8 tsid; | |
11708 | int err; | |
11709 | ||
11710 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
11711 | return -EINVAL; | |
11712 | ||
11713 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
11714 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11715 | ||
11716 | wdev_lock(wdev); | |
11717 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
11718 | wdev_unlock(wdev); | |
11719 | ||
11720 | return err; | |
11721 | } | |
11722 | ||
1057d35e AN |
11723 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
11724 | struct genl_info *info) | |
11725 | { | |
11726 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11727 | struct net_device *dev = info->user_ptr[1]; | |
11728 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11729 | struct cfg80211_chan_def chandef = {}; | |
11730 | const u8 *addr; | |
11731 | u8 oper_class; | |
11732 | int err; | |
11733 | ||
11734 | if (!rdev->ops->tdls_channel_switch || | |
11735 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
11736 | return -EOPNOTSUPP; | |
11737 | ||
11738 | switch (dev->ieee80211_ptr->iftype) { | |
11739 | case NL80211_IFTYPE_STATION: | |
11740 | case NL80211_IFTYPE_P2P_CLIENT: | |
11741 | break; | |
11742 | default: | |
11743 | return -EOPNOTSUPP; | |
11744 | } | |
11745 | ||
11746 | if (!info->attrs[NL80211_ATTR_MAC] || | |
11747 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
11748 | return -EINVAL; | |
11749 | ||
11750 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
11751 | if (err) | |
11752 | return err; | |
11753 | ||
11754 | /* | |
11755 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
11756 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
11757 | * specification is not defined for them. | |
11758 | */ | |
57fbcce3 | 11759 | if (chandef.chan->band == NL80211_BAND_2GHZ && |
1057d35e AN |
11760 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && |
11761 | chandef.width != NL80211_CHAN_WIDTH_20) | |
11762 | return -EINVAL; | |
11763 | ||
11764 | /* we will be active on the TDLS link */ | |
923b352f AN |
11765 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
11766 | wdev->iftype)) | |
1057d35e AN |
11767 | return -EINVAL; |
11768 | ||
11769 | /* don't allow switching to DFS channels */ | |
11770 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
11771 | return -EINVAL; | |
11772 | ||
11773 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11774 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
11775 | ||
11776 | wdev_lock(wdev); | |
11777 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
11778 | wdev_unlock(wdev); | |
11779 | ||
11780 | return err; | |
11781 | } | |
11782 | ||
11783 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
11784 | struct genl_info *info) | |
11785 | { | |
11786 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11787 | struct net_device *dev = info->user_ptr[1]; | |
11788 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11789 | const u8 *addr; | |
11790 | ||
11791 | if (!rdev->ops->tdls_channel_switch || | |
11792 | !rdev->ops->tdls_cancel_channel_switch || | |
11793 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
11794 | return -EOPNOTSUPP; | |
11795 | ||
11796 | switch (dev->ieee80211_ptr->iftype) { | |
11797 | case NL80211_IFTYPE_STATION: | |
11798 | case NL80211_IFTYPE_P2P_CLIENT: | |
11799 | break; | |
11800 | default: | |
11801 | return -EOPNOTSUPP; | |
11802 | } | |
11803 | ||
11804 | if (!info->attrs[NL80211_ATTR_MAC]) | |
11805 | return -EINVAL; | |
11806 | ||
11807 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11808 | ||
11809 | wdev_lock(wdev); | |
11810 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
11811 | wdev_unlock(wdev); | |
11812 | ||
11813 | return 0; | |
11814 | } | |
11815 | ||
ce0ce13a MB |
11816 | static int nl80211_set_multicast_to_unicast(struct sk_buff *skb, |
11817 | struct genl_info *info) | |
11818 | { | |
11819 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11820 | struct net_device *dev = info->user_ptr[1]; | |
11821 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11822 | const struct nlattr *nla; | |
11823 | bool enabled; | |
11824 | ||
11825 | if (netif_running(dev)) | |
11826 | return -EBUSY; | |
11827 | ||
11828 | if (!rdev->ops->set_multicast_to_unicast) | |
11829 | return -EOPNOTSUPP; | |
11830 | ||
11831 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
11832 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
11833 | return -EOPNOTSUPP; | |
11834 | ||
11835 | nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED]; | |
11836 | enabled = nla_get_flag(nla); | |
11837 | ||
11838 | return rdev_set_multicast_to_unicast(rdev, dev, enabled); | |
11839 | } | |
11840 | ||
4c476991 JB |
11841 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
11842 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
11843 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
11844 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
11845 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
11846 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 11847 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 11848 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
11849 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
11850 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 11851 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 11852 | |
f84f771d | 11853 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
11854 | struct genl_info *info) |
11855 | { | |
11856 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 11857 | struct wireless_dev *wdev; |
4c476991 | 11858 | struct net_device *dev; |
4c476991 JB |
11859 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
11860 | ||
11861 | if (rtnl) | |
11862 | rtnl_lock(); | |
11863 | ||
11864 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 11865 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
11866 | if (IS_ERR(rdev)) { |
11867 | if (rtnl) | |
11868 | rtnl_unlock(); | |
11869 | return PTR_ERR(rdev); | |
11870 | } | |
11871 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
11872 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
11873 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
11874 | ASSERT_RTNL(); |
11875 | ||
89a54e48 JB |
11876 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
11877 | info->attrs); | |
11878 | if (IS_ERR(wdev)) { | |
4c476991 JB |
11879 | if (rtnl) |
11880 | rtnl_unlock(); | |
89a54e48 | 11881 | return PTR_ERR(wdev); |
4c476991 | 11882 | } |
89a54e48 | 11883 | |
89a54e48 | 11884 | dev = wdev->netdev; |
f26cbf40 | 11885 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 11886 | |
1bf614ef JB |
11887 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
11888 | if (!dev) { | |
1bf614ef JB |
11889 | if (rtnl) |
11890 | rtnl_unlock(); | |
11891 | return -EINVAL; | |
11892 | } | |
11893 | ||
11894 | info->user_ptr[1] = dev; | |
11895 | } else { | |
11896 | info->user_ptr[1] = wdev; | |
41265714 | 11897 | } |
1bf614ef | 11898 | |
73c7da3d AVS |
11899 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
11900 | !wdev_running(wdev)) { | |
11901 | if (rtnl) | |
11902 | rtnl_unlock(); | |
11903 | return -ENETDOWN; | |
11904 | } | |
1bf614ef | 11905 | |
73c7da3d | 11906 | if (dev) |
1bf614ef | 11907 | dev_hold(dev); |
89a54e48 | 11908 | |
4c476991 | 11909 | info->user_ptr[0] = rdev; |
4c476991 JB |
11910 | } |
11911 | ||
11912 | return 0; | |
11913 | } | |
11914 | ||
f84f771d | 11915 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
11916 | struct genl_info *info) |
11917 | { | |
1bf614ef JB |
11918 | if (info->user_ptr[1]) { |
11919 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
11920 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11921 | ||
11922 | if (wdev->netdev) | |
11923 | dev_put(wdev->netdev); | |
11924 | } else { | |
11925 | dev_put(info->user_ptr[1]); | |
11926 | } | |
11927 | } | |
5393b917 | 11928 | |
4c476991 JB |
11929 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
11930 | rtnl_unlock(); | |
5393b917 JB |
11931 | |
11932 | /* If needed, clear the netlink message payload from the SKB | |
11933 | * as it might contain key data that shouldn't stick around on | |
11934 | * the heap after the SKB is freed. The netlink message header | |
11935 | * is still needed for further processing, so leave it intact. | |
11936 | */ | |
11937 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
11938 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
11939 | ||
11940 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
11941 | } | |
4c476991 JB |
11942 | } |
11943 | ||
4534de83 | 11944 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
11945 | { |
11946 | .cmd = NL80211_CMD_GET_WIPHY, | |
11947 | .doit = nl80211_get_wiphy, | |
11948 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 11949 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
11950 | .policy = nl80211_policy, |
11951 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
11952 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11953 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11954 | }, |
11955 | { | |
11956 | .cmd = NL80211_CMD_SET_WIPHY, | |
11957 | .doit = nl80211_set_wiphy, | |
11958 | .policy = nl80211_policy, | |
5617c6cd | 11959 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 | 11960 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
11961 | }, |
11962 | { | |
11963 | .cmd = NL80211_CMD_GET_INTERFACE, | |
11964 | .doit = nl80211_get_interface, | |
11965 | .dumpit = nl80211_dump_interface, | |
11966 | .policy = nl80211_policy, | |
11967 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
11968 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
11969 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11970 | }, |
11971 | { | |
11972 | .cmd = NL80211_CMD_SET_INTERFACE, | |
11973 | .doit = nl80211_set_interface, | |
11974 | .policy = nl80211_policy, | |
5617c6cd | 11975 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11976 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11977 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11978 | }, |
11979 | { | |
11980 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
11981 | .doit = nl80211_new_interface, | |
11982 | .policy = nl80211_policy, | |
5617c6cd | 11983 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11984 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11985 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11986 | }, |
11987 | { | |
11988 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
11989 | .doit = nl80211_del_interface, | |
11990 | .policy = nl80211_policy, | |
5617c6cd | 11991 | .flags = GENL_UNS_ADMIN_PERM, |
84efbb84 | 11992 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 11993 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
11994 | }, |
11995 | { | |
11996 | .cmd = NL80211_CMD_GET_KEY, | |
11997 | .doit = nl80211_get_key, | |
11998 | .policy = nl80211_policy, | |
5617c6cd | 11999 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12000 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12001 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
12002 | }, |
12003 | { | |
12004 | .cmd = NL80211_CMD_SET_KEY, | |
12005 | .doit = nl80211_set_key, | |
12006 | .policy = nl80211_policy, | |
5617c6cd | 12007 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12008 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12009 | NL80211_FLAG_NEED_RTNL | |
12010 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
12011 | }, |
12012 | { | |
12013 | .cmd = NL80211_CMD_NEW_KEY, | |
12014 | .doit = nl80211_new_key, | |
12015 | .policy = nl80211_policy, | |
5617c6cd | 12016 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12017 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12018 | NL80211_FLAG_NEED_RTNL | |
12019 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
12020 | }, |
12021 | { | |
12022 | .cmd = NL80211_CMD_DEL_KEY, | |
12023 | .doit = nl80211_del_key, | |
12024 | .policy = nl80211_policy, | |
5617c6cd | 12025 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12026 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12027 | NL80211_FLAG_NEED_RTNL, |
55682965 | 12028 | }, |
ed1b6cc7 JB |
12029 | { |
12030 | .cmd = NL80211_CMD_SET_BEACON, | |
12031 | .policy = nl80211_policy, | |
5617c6cd | 12032 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12033 | .doit = nl80211_set_beacon, |
2b5f8b0b | 12034 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12035 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12036 | }, |
12037 | { | |
8860020e | 12038 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 | 12039 | .policy = nl80211_policy, |
5617c6cd | 12040 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12041 | .doit = nl80211_start_ap, |
2b5f8b0b | 12042 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12043 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12044 | }, |
12045 | { | |
8860020e | 12046 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 | 12047 | .policy = nl80211_policy, |
5617c6cd | 12048 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12049 | .doit = nl80211_stop_ap, |
2b5f8b0b | 12050 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12051 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 12052 | }, |
5727ef1b JB |
12053 | { |
12054 | .cmd = NL80211_CMD_GET_STATION, | |
12055 | .doit = nl80211_get_station, | |
2ec600d6 | 12056 | .dumpit = nl80211_dump_station, |
5727ef1b | 12057 | .policy = nl80211_policy, |
4c476991 JB |
12058 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12059 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
12060 | }, |
12061 | { | |
12062 | .cmd = NL80211_CMD_SET_STATION, | |
12063 | .doit = nl80211_set_station, | |
12064 | .policy = nl80211_policy, | |
5617c6cd | 12065 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12066 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12067 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12068 | }, |
12069 | { | |
12070 | .cmd = NL80211_CMD_NEW_STATION, | |
12071 | .doit = nl80211_new_station, | |
12072 | .policy = nl80211_policy, | |
5617c6cd | 12073 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12074 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12075 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12076 | }, |
12077 | { | |
12078 | .cmd = NL80211_CMD_DEL_STATION, | |
12079 | .doit = nl80211_del_station, | |
12080 | .policy = nl80211_policy, | |
5617c6cd | 12081 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12082 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12083 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12084 | }, |
12085 | { | |
12086 | .cmd = NL80211_CMD_GET_MPATH, | |
12087 | .doit = nl80211_get_mpath, | |
12088 | .dumpit = nl80211_dump_mpath, | |
12089 | .policy = nl80211_policy, | |
5617c6cd | 12090 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12091 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12092 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 12093 | }, |
66be7d2b HR |
12094 | { |
12095 | .cmd = NL80211_CMD_GET_MPP, | |
12096 | .doit = nl80211_get_mpp, | |
12097 | .dumpit = nl80211_dump_mpp, | |
12098 | .policy = nl80211_policy, | |
5617c6cd | 12099 | .flags = GENL_UNS_ADMIN_PERM, |
66be7d2b HR |
12100 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12101 | NL80211_FLAG_NEED_RTNL, | |
12102 | }, | |
2ec600d6 LCC |
12103 | { |
12104 | .cmd = NL80211_CMD_SET_MPATH, | |
12105 | .doit = nl80211_set_mpath, | |
12106 | .policy = nl80211_policy, | |
5617c6cd | 12107 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12108 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12109 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12110 | }, |
12111 | { | |
12112 | .cmd = NL80211_CMD_NEW_MPATH, | |
12113 | .doit = nl80211_new_mpath, | |
12114 | .policy = nl80211_policy, | |
5617c6cd | 12115 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12116 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12117 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12118 | }, |
12119 | { | |
12120 | .cmd = NL80211_CMD_DEL_MPATH, | |
12121 | .doit = nl80211_del_mpath, | |
12122 | .policy = nl80211_policy, | |
5617c6cd | 12123 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12124 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12125 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
12126 | }, |
12127 | { | |
12128 | .cmd = NL80211_CMD_SET_BSS, | |
12129 | .doit = nl80211_set_bss, | |
12130 | .policy = nl80211_policy, | |
5617c6cd | 12131 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12132 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12133 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12134 | }, |
f130347c LR |
12135 | { |
12136 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
12137 | .doit = nl80211_get_reg_do, |
12138 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 12139 | .policy = nl80211_policy, |
5fe231e8 | 12140 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
12141 | /* can be retrieved by unprivileged users */ |
12142 | }, | |
b6863036 | 12143 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
b2e1b302 LR |
12144 | { |
12145 | .cmd = NL80211_CMD_SET_REG, | |
12146 | .doit = nl80211_set_reg, | |
12147 | .policy = nl80211_policy, | |
12148 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 12149 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12150 | }, |
b6863036 | 12151 | #endif |
b2e1b302 LR |
12152 | { |
12153 | .cmd = NL80211_CMD_REQ_SET_REG, | |
12154 | .doit = nl80211_req_set_reg, | |
12155 | .policy = nl80211_policy, | |
93da9cc1 | 12156 | .flags = GENL_ADMIN_PERM, |
12157 | }, | |
12158 | { | |
24bdd9f4 JC |
12159 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
12160 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 12161 | .policy = nl80211_policy, |
12162 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 12163 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12164 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 12165 | }, |
12166 | { | |
24bdd9f4 JC |
12167 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
12168 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 12169 | .policy = nl80211_policy, |
5617c6cd | 12170 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c | 12171 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12172 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 12173 | }, |
2a519311 JB |
12174 | { |
12175 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
12176 | .doit = nl80211_trigger_scan, | |
12177 | .policy = nl80211_policy, | |
5617c6cd | 12178 | .flags = GENL_UNS_ADMIN_PERM, |
fd014284 | 12179 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12180 | NL80211_FLAG_NEED_RTNL, |
2a519311 | 12181 | }, |
91d3ab46 VK |
12182 | { |
12183 | .cmd = NL80211_CMD_ABORT_SCAN, | |
12184 | .doit = nl80211_abort_scan, | |
12185 | .policy = nl80211_policy, | |
5617c6cd | 12186 | .flags = GENL_UNS_ADMIN_PERM, |
91d3ab46 VK |
12187 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12188 | NL80211_FLAG_NEED_RTNL, | |
12189 | }, | |
2a519311 JB |
12190 | { |
12191 | .cmd = NL80211_CMD_GET_SCAN, | |
12192 | .policy = nl80211_policy, | |
12193 | .dumpit = nl80211_dump_scan, | |
12194 | }, | |
807f8a8c LC |
12195 | { |
12196 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
12197 | .doit = nl80211_start_sched_scan, | |
12198 | .policy = nl80211_policy, | |
5617c6cd | 12199 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12200 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12201 | NL80211_FLAG_NEED_RTNL, | |
12202 | }, | |
12203 | { | |
12204 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
12205 | .doit = nl80211_stop_sched_scan, | |
12206 | .policy = nl80211_policy, | |
5617c6cd | 12207 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12208 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12209 | NL80211_FLAG_NEED_RTNL, | |
12210 | }, | |
636a5d36 JM |
12211 | { |
12212 | .cmd = NL80211_CMD_AUTHENTICATE, | |
12213 | .doit = nl80211_authenticate, | |
12214 | .policy = nl80211_policy, | |
5617c6cd | 12215 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12216 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12217 | NL80211_FLAG_NEED_RTNL | |
12218 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
12219 | }, |
12220 | { | |
12221 | .cmd = NL80211_CMD_ASSOCIATE, | |
12222 | .doit = nl80211_associate, | |
12223 | .policy = nl80211_policy, | |
5617c6cd | 12224 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12225 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12226 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12227 | }, |
12228 | { | |
12229 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
12230 | .doit = nl80211_deauthenticate, | |
12231 | .policy = nl80211_policy, | |
5617c6cd | 12232 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12233 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12234 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12235 | }, |
12236 | { | |
12237 | .cmd = NL80211_CMD_DISASSOCIATE, | |
12238 | .doit = nl80211_disassociate, | |
12239 | .policy = nl80211_policy, | |
5617c6cd | 12240 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12241 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12242 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 12243 | }, |
04a773ad JB |
12244 | { |
12245 | .cmd = NL80211_CMD_JOIN_IBSS, | |
12246 | .doit = nl80211_join_ibss, | |
12247 | .policy = nl80211_policy, | |
5617c6cd | 12248 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12249 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12250 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
12251 | }, |
12252 | { | |
12253 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
12254 | .doit = nl80211_leave_ibss, | |
12255 | .policy = nl80211_policy, | |
5617c6cd | 12256 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12257 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12258 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 12259 | }, |
aff89a9b JB |
12260 | #ifdef CONFIG_NL80211_TESTMODE |
12261 | { | |
12262 | .cmd = NL80211_CMD_TESTMODE, | |
12263 | .doit = nl80211_testmode_do, | |
71063f0e | 12264 | .dumpit = nl80211_testmode_dump, |
aff89a9b | 12265 | .policy = nl80211_policy, |
5617c6cd | 12266 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12267 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12268 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
12269 | }, |
12270 | #endif | |
b23aa676 SO |
12271 | { |
12272 | .cmd = NL80211_CMD_CONNECT, | |
12273 | .doit = nl80211_connect, | |
12274 | .policy = nl80211_policy, | |
5617c6cd | 12275 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12276 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12277 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12278 | }, |
088e8df8 | 12279 | { |
12280 | .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS, | |
12281 | .doit = nl80211_update_connect_params, | |
12282 | .policy = nl80211_policy, | |
12283 | .flags = GENL_ADMIN_PERM, | |
12284 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
12285 | NL80211_FLAG_NEED_RTNL, | |
12286 | }, | |
b23aa676 SO |
12287 | { |
12288 | .cmd = NL80211_CMD_DISCONNECT, | |
12289 | .doit = nl80211_disconnect, | |
12290 | .policy = nl80211_policy, | |
5617c6cd | 12291 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12292 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12293 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12294 | }, |
463d0183 JB |
12295 | { |
12296 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
12297 | .doit = nl80211_wiphy_netns, | |
12298 | .policy = nl80211_policy, | |
5617c6cd | 12299 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12300 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12301 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 12302 | }, |
61fa713c HS |
12303 | { |
12304 | .cmd = NL80211_CMD_GET_SURVEY, | |
12305 | .policy = nl80211_policy, | |
12306 | .dumpit = nl80211_dump_survey, | |
12307 | }, | |
67fbb16b SO |
12308 | { |
12309 | .cmd = NL80211_CMD_SET_PMKSA, | |
12310 | .doit = nl80211_setdel_pmksa, | |
12311 | .policy = nl80211_policy, | |
5617c6cd | 12312 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12313 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12314 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12315 | }, |
12316 | { | |
12317 | .cmd = NL80211_CMD_DEL_PMKSA, | |
12318 | .doit = nl80211_setdel_pmksa, | |
12319 | .policy = nl80211_policy, | |
5617c6cd | 12320 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12321 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12322 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12323 | }, |
12324 | { | |
12325 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
12326 | .doit = nl80211_flush_pmksa, | |
12327 | .policy = nl80211_policy, | |
5617c6cd | 12328 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12329 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12330 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 12331 | }, |
9588bbd5 JM |
12332 | { |
12333 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
12334 | .doit = nl80211_remain_on_channel, | |
12335 | .policy = nl80211_policy, | |
5617c6cd | 12336 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12337 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12338 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
12339 | }, |
12340 | { | |
12341 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
12342 | .doit = nl80211_cancel_remain_on_channel, | |
12343 | .policy = nl80211_policy, | |
5617c6cd | 12344 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12345 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12346 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 12347 | }, |
13ae75b1 JM |
12348 | { |
12349 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
12350 | .doit = nl80211_set_tx_bitrate_mask, | |
12351 | .policy = nl80211_policy, | |
5617c6cd | 12352 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12353 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12354 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 12355 | }, |
026331c4 | 12356 | { |
2e161f78 JB |
12357 | .cmd = NL80211_CMD_REGISTER_FRAME, |
12358 | .doit = nl80211_register_mgmt, | |
026331c4 | 12359 | .policy = nl80211_policy, |
5617c6cd | 12360 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12361 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 12362 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
12363 | }, |
12364 | { | |
2e161f78 JB |
12365 | .cmd = NL80211_CMD_FRAME, |
12366 | .doit = nl80211_tx_mgmt, | |
026331c4 | 12367 | .policy = nl80211_policy, |
5617c6cd | 12368 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12369 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
12370 | NL80211_FLAG_NEED_RTNL, |
12371 | }, | |
12372 | { | |
12373 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
12374 | .doit = nl80211_tx_mgmt_cancel_wait, | |
12375 | .policy = nl80211_policy, | |
5617c6cd | 12376 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12377 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12378 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 12379 | }, |
ffb9eb3d KV |
12380 | { |
12381 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
12382 | .doit = nl80211_set_power_save, | |
12383 | .policy = nl80211_policy, | |
5617c6cd | 12384 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12385 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12386 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
12387 | }, |
12388 | { | |
12389 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
12390 | .doit = nl80211_get_power_save, | |
12391 | .policy = nl80211_policy, | |
12392 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
12393 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12394 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 12395 | }, |
d6dc1a38 JO |
12396 | { |
12397 | .cmd = NL80211_CMD_SET_CQM, | |
12398 | .doit = nl80211_set_cqm, | |
12399 | .policy = nl80211_policy, | |
5617c6cd | 12400 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12401 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12402 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 12403 | }, |
f444de05 JB |
12404 | { |
12405 | .cmd = NL80211_CMD_SET_CHANNEL, | |
12406 | .doit = nl80211_set_channel, | |
12407 | .policy = nl80211_policy, | |
5617c6cd | 12408 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12409 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12410 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 12411 | }, |
e8347eba BJ |
12412 | { |
12413 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
12414 | .doit = nl80211_set_wds_peer, | |
12415 | .policy = nl80211_policy, | |
5617c6cd | 12416 | .flags = GENL_UNS_ADMIN_PERM, |
43b19952 JB |
12417 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12418 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 12419 | }, |
29cbe68c JB |
12420 | { |
12421 | .cmd = NL80211_CMD_JOIN_MESH, | |
12422 | .doit = nl80211_join_mesh, | |
12423 | .policy = nl80211_policy, | |
5617c6cd | 12424 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12425 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12426 | NL80211_FLAG_NEED_RTNL, | |
12427 | }, | |
12428 | { | |
12429 | .cmd = NL80211_CMD_LEAVE_MESH, | |
12430 | .doit = nl80211_leave_mesh, | |
12431 | .policy = nl80211_policy, | |
5617c6cd | 12432 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12433 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12434 | NL80211_FLAG_NEED_RTNL, | |
12435 | }, | |
6e0bd6c3 RL |
12436 | { |
12437 | .cmd = NL80211_CMD_JOIN_OCB, | |
12438 | .doit = nl80211_join_ocb, | |
12439 | .policy = nl80211_policy, | |
5617c6cd | 12440 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12441 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12442 | NL80211_FLAG_NEED_RTNL, | |
12443 | }, | |
12444 | { | |
12445 | .cmd = NL80211_CMD_LEAVE_OCB, | |
12446 | .doit = nl80211_leave_ocb, | |
12447 | .policy = nl80211_policy, | |
5617c6cd | 12448 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12449 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12450 | NL80211_FLAG_NEED_RTNL, | |
12451 | }, | |
dfb89c56 | 12452 | #ifdef CONFIG_PM |
ff1b6e69 JB |
12453 | { |
12454 | .cmd = NL80211_CMD_GET_WOWLAN, | |
12455 | .doit = nl80211_get_wowlan, | |
12456 | .policy = nl80211_policy, | |
12457 | /* can be retrieved by unprivileged users */ | |
12458 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
12459 | NL80211_FLAG_NEED_RTNL, | |
12460 | }, | |
12461 | { | |
12462 | .cmd = NL80211_CMD_SET_WOWLAN, | |
12463 | .doit = nl80211_set_wowlan, | |
12464 | .policy = nl80211_policy, | |
5617c6cd | 12465 | .flags = GENL_UNS_ADMIN_PERM, |
ff1b6e69 JB |
12466 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12467 | NL80211_FLAG_NEED_RTNL, | |
12468 | }, | |
dfb89c56 | 12469 | #endif |
e5497d76 JB |
12470 | { |
12471 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
12472 | .doit = nl80211_set_rekey_data, | |
12473 | .policy = nl80211_policy, | |
5617c6cd | 12474 | .flags = GENL_UNS_ADMIN_PERM, |
e5497d76 | 12475 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12476 | NL80211_FLAG_NEED_RTNL | |
12477 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 12478 | }, |
109086ce AN |
12479 | { |
12480 | .cmd = NL80211_CMD_TDLS_MGMT, | |
12481 | .doit = nl80211_tdls_mgmt, | |
12482 | .policy = nl80211_policy, | |
5617c6cd | 12483 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12484 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12485 | NL80211_FLAG_NEED_RTNL, | |
12486 | }, | |
12487 | { | |
12488 | .cmd = NL80211_CMD_TDLS_OPER, | |
12489 | .doit = nl80211_tdls_oper, | |
12490 | .policy = nl80211_policy, | |
5617c6cd | 12491 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12492 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12493 | NL80211_FLAG_NEED_RTNL, | |
12494 | }, | |
28946da7 JB |
12495 | { |
12496 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
12497 | .doit = nl80211_register_unexpected_frame, | |
12498 | .policy = nl80211_policy, | |
5617c6cd | 12499 | .flags = GENL_UNS_ADMIN_PERM, |
28946da7 JB |
12500 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12501 | NL80211_FLAG_NEED_RTNL, | |
12502 | }, | |
7f6cf311 JB |
12503 | { |
12504 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
12505 | .doit = nl80211_probe_client, | |
12506 | .policy = nl80211_policy, | |
5617c6cd | 12507 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12508 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
12509 | NL80211_FLAG_NEED_RTNL, |
12510 | }, | |
5e760230 JB |
12511 | { |
12512 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
12513 | .doit = nl80211_register_beacons, | |
12514 | .policy = nl80211_policy, | |
5617c6cd | 12515 | .flags = GENL_UNS_ADMIN_PERM, |
5e760230 JB |
12516 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12517 | NL80211_FLAG_NEED_RTNL, | |
12518 | }, | |
1d9d9213 SW |
12519 | { |
12520 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
12521 | .doit = nl80211_set_noack_map, | |
12522 | .policy = nl80211_policy, | |
5617c6cd | 12523 | .flags = GENL_UNS_ADMIN_PERM, |
1d9d9213 SW |
12524 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12525 | NL80211_FLAG_NEED_RTNL, | |
12526 | }, | |
98104fde JB |
12527 | { |
12528 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
12529 | .doit = nl80211_start_p2p_device, | |
12530 | .policy = nl80211_policy, | |
5617c6cd | 12531 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12532 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
12533 | NL80211_FLAG_NEED_RTNL, | |
12534 | }, | |
12535 | { | |
12536 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
12537 | .doit = nl80211_stop_p2p_device, | |
12538 | .policy = nl80211_policy, | |
5617c6cd | 12539 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12540 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12541 | NL80211_FLAG_NEED_RTNL, | |
cb3b7d87 AB |
12542 | }, |
12543 | { | |
12544 | .cmd = NL80211_CMD_START_NAN, | |
12545 | .doit = nl80211_start_nan, | |
12546 | .policy = nl80211_policy, | |
12547 | .flags = GENL_ADMIN_PERM, | |
12548 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
12549 | NL80211_FLAG_NEED_RTNL, | |
12550 | }, | |
12551 | { | |
12552 | .cmd = NL80211_CMD_STOP_NAN, | |
12553 | .doit = nl80211_stop_nan, | |
12554 | .policy = nl80211_policy, | |
12555 | .flags = GENL_ADMIN_PERM, | |
12556 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12557 | NL80211_FLAG_NEED_RTNL, | |
a442b761 AB |
12558 | }, |
12559 | { | |
12560 | .cmd = NL80211_CMD_ADD_NAN_FUNCTION, | |
12561 | .doit = nl80211_nan_add_func, | |
12562 | .policy = nl80211_policy, | |
12563 | .flags = GENL_ADMIN_PERM, | |
12564 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12565 | NL80211_FLAG_NEED_RTNL, | |
12566 | }, | |
12567 | { | |
12568 | .cmd = NL80211_CMD_DEL_NAN_FUNCTION, | |
12569 | .doit = nl80211_nan_del_func, | |
12570 | .policy = nl80211_policy, | |
12571 | .flags = GENL_ADMIN_PERM, | |
12572 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12573 | NL80211_FLAG_NEED_RTNL, | |
a5a9dcf2 AB |
12574 | }, |
12575 | { | |
12576 | .cmd = NL80211_CMD_CHANGE_NAN_CONFIG, | |
12577 | .doit = nl80211_nan_change_config, | |
12578 | .policy = nl80211_policy, | |
12579 | .flags = GENL_ADMIN_PERM, | |
12580 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12581 | NL80211_FLAG_NEED_RTNL, | |
98104fde | 12582 | }, |
f4e583c8 AQ |
12583 | { |
12584 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
12585 | .doit = nl80211_set_mcast_rate, | |
77765eaf | 12586 | .policy = nl80211_policy, |
5617c6cd | 12587 | .flags = GENL_UNS_ADMIN_PERM, |
77765eaf VT |
12588 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12589 | NL80211_FLAG_NEED_RTNL, | |
12590 | }, | |
12591 | { | |
12592 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
12593 | .doit = nl80211_set_mac_acl, | |
f4e583c8 | 12594 | .policy = nl80211_policy, |
5617c6cd | 12595 | .flags = GENL_UNS_ADMIN_PERM, |
f4e583c8 AQ |
12596 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12597 | NL80211_FLAG_NEED_RTNL, | |
12598 | }, | |
04f39047 SW |
12599 | { |
12600 | .cmd = NL80211_CMD_RADAR_DETECT, | |
12601 | .doit = nl80211_start_radar_detection, | |
12602 | .policy = nl80211_policy, | |
5617c6cd | 12603 | .flags = GENL_UNS_ADMIN_PERM, |
04f39047 SW |
12604 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12605 | NL80211_FLAG_NEED_RTNL, | |
12606 | }, | |
3713b4e3 JB |
12607 | { |
12608 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
12609 | .doit = nl80211_get_protocol_features, | |
12610 | .policy = nl80211_policy, | |
12611 | }, | |
355199e0 JM |
12612 | { |
12613 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
12614 | .doit = nl80211_update_ft_ies, | |
12615 | .policy = nl80211_policy, | |
5617c6cd | 12616 | .flags = GENL_UNS_ADMIN_PERM, |
355199e0 JM |
12617 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12618 | NL80211_FLAG_NEED_RTNL, | |
12619 | }, | |
5de17984 AS |
12620 | { |
12621 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
12622 | .doit = nl80211_crit_protocol_start, | |
12623 | .policy = nl80211_policy, | |
5617c6cd | 12624 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
12625 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12626 | NL80211_FLAG_NEED_RTNL, | |
12627 | }, | |
12628 | { | |
12629 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
12630 | .doit = nl80211_crit_protocol_stop, | |
12631 | .policy = nl80211_policy, | |
5617c6cd | 12632 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
12633 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12634 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
12635 | }, |
12636 | { | |
12637 | .cmd = NL80211_CMD_GET_COALESCE, | |
12638 | .doit = nl80211_get_coalesce, | |
12639 | .policy = nl80211_policy, | |
12640 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
12641 | NL80211_FLAG_NEED_RTNL, | |
12642 | }, | |
12643 | { | |
12644 | .cmd = NL80211_CMD_SET_COALESCE, | |
12645 | .doit = nl80211_set_coalesce, | |
12646 | .policy = nl80211_policy, | |
5617c6cd | 12647 | .flags = GENL_UNS_ADMIN_PERM, |
be29b99a AK |
12648 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12649 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
12650 | }, |
12651 | { | |
12652 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
12653 | .doit = nl80211_channel_switch, | |
12654 | .policy = nl80211_policy, | |
5617c6cd | 12655 | .flags = GENL_UNS_ADMIN_PERM, |
16ef1fe2 SW |
12656 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12657 | NL80211_FLAG_NEED_RTNL, | |
12658 | }, | |
ad7e718c JB |
12659 | { |
12660 | .cmd = NL80211_CMD_VENDOR, | |
12661 | .doit = nl80211_vendor_cmd, | |
7bdbe400 | 12662 | .dumpit = nl80211_vendor_cmd_dump, |
ad7e718c | 12663 | .policy = nl80211_policy, |
5617c6cd | 12664 | .flags = GENL_UNS_ADMIN_PERM, |
ad7e718c JB |
12665 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12666 | NL80211_FLAG_NEED_RTNL, | |
12667 | }, | |
fa9ffc74 KP |
12668 | { |
12669 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
12670 | .doit = nl80211_set_qos_map, | |
12671 | .policy = nl80211_policy, | |
5617c6cd | 12672 | .flags = GENL_UNS_ADMIN_PERM, |
fa9ffc74 KP |
12673 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12674 | NL80211_FLAG_NEED_RTNL, | |
12675 | }, | |
960d01ac JB |
12676 | { |
12677 | .cmd = NL80211_CMD_ADD_TX_TS, | |
12678 | .doit = nl80211_add_tx_ts, | |
12679 | .policy = nl80211_policy, | |
5617c6cd | 12680 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
12681 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12682 | NL80211_FLAG_NEED_RTNL, | |
12683 | }, | |
12684 | { | |
12685 | .cmd = NL80211_CMD_DEL_TX_TS, | |
12686 | .doit = nl80211_del_tx_ts, | |
12687 | .policy = nl80211_policy, | |
5617c6cd | 12688 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
12689 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12690 | NL80211_FLAG_NEED_RTNL, | |
12691 | }, | |
1057d35e AN |
12692 | { |
12693 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
12694 | .doit = nl80211_tdls_channel_switch, | |
12695 | .policy = nl80211_policy, | |
5617c6cd | 12696 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
12697 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12698 | NL80211_FLAG_NEED_RTNL, | |
12699 | }, | |
12700 | { | |
12701 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
12702 | .doit = nl80211_tdls_cancel_channel_switch, | |
12703 | .policy = nl80211_policy, | |
5617c6cd | 12704 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
12705 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12706 | NL80211_FLAG_NEED_RTNL, | |
12707 | }, | |
ce0ce13a MB |
12708 | { |
12709 | .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST, | |
12710 | .doit = nl80211_set_multicast_to_unicast, | |
12711 | .policy = nl80211_policy, | |
12712 | .flags = GENL_UNS_ADMIN_PERM, | |
12713 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
12714 | NL80211_FLAG_NEED_RTNL, | |
12715 | }, | |
55682965 | 12716 | }; |
9588bbd5 | 12717 | |
56989f6d | 12718 | static struct genl_family nl80211_fam __ro_after_init = { |
489111e5 JB |
12719 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ |
12720 | .hdrsize = 0, /* no private header */ | |
12721 | .version = 1, /* no particular meaning now */ | |
12722 | .maxattr = NL80211_ATTR_MAX, | |
12723 | .netnsok = true, | |
12724 | .pre_doit = nl80211_pre_doit, | |
12725 | .post_doit = nl80211_post_doit, | |
12726 | .module = THIS_MODULE, | |
12727 | .ops = nl80211_ops, | |
12728 | .n_ops = ARRAY_SIZE(nl80211_ops), | |
12729 | .mcgrps = nl80211_mcgrps, | |
12730 | .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps), | |
12731 | }; | |
12732 | ||
55682965 JB |
12733 | /* notification functions */ |
12734 | ||
3bb20556 JB |
12735 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
12736 | enum nl80211_commands cmd) | |
55682965 JB |
12737 | { |
12738 | struct sk_buff *msg; | |
86e8cf98 | 12739 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 12740 | |
3bb20556 JB |
12741 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
12742 | cmd != NL80211_CMD_DEL_WIPHY); | |
12743 | ||
fd2120ca | 12744 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
12745 | if (!msg) |
12746 | return; | |
12747 | ||
3bb20556 | 12748 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
12749 | nlmsg_free(msg); |
12750 | return; | |
12751 | } | |
12752 | ||
68eb5503 | 12753 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12754 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
12755 | } |
12756 | ||
896ff063 DK |
12757 | void nl80211_notify_iface(struct cfg80211_registered_device *rdev, |
12758 | struct wireless_dev *wdev, | |
12759 | enum nl80211_commands cmd) | |
12760 | { | |
12761 | struct sk_buff *msg; | |
12762 | ||
12763 | WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && | |
12764 | cmd != NL80211_CMD_DEL_INTERFACE); | |
12765 | ||
12766 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12767 | if (!msg) | |
12768 | return; | |
12769 | ||
12770 | if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, | |
12771 | cmd == NL80211_CMD_DEL_INTERFACE) < 0) { | |
12772 | nlmsg_free(msg); | |
12773 | return; | |
12774 | } | |
12775 | ||
12776 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
12777 | NL80211_MCGRP_CONFIG, GFP_KERNEL); | |
12778 | } | |
12779 | ||
362a415d JB |
12780 | static int nl80211_add_scan_req(struct sk_buff *msg, |
12781 | struct cfg80211_registered_device *rdev) | |
12782 | { | |
12783 | struct cfg80211_scan_request *req = rdev->scan_req; | |
12784 | struct nlattr *nest; | |
12785 | int i; | |
12786 | ||
12787 | if (WARN_ON(!req)) | |
12788 | return 0; | |
12789 | ||
12790 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
12791 | if (!nest) | |
12792 | goto nla_put_failure; | |
9360ffd1 DM |
12793 | for (i = 0; i < req->n_ssids; i++) { |
12794 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
12795 | goto nla_put_failure; | |
12796 | } | |
362a415d JB |
12797 | nla_nest_end(msg, nest); |
12798 | ||
12799 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
12800 | if (!nest) | |
12801 | goto nla_put_failure; | |
9360ffd1 DM |
12802 | for (i = 0; i < req->n_channels; i++) { |
12803 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
12804 | goto nla_put_failure; | |
12805 | } | |
362a415d JB |
12806 | nla_nest_end(msg, nest); |
12807 | ||
9360ffd1 DM |
12808 | if (req->ie && |
12809 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
12810 | goto nla_put_failure; | |
362a415d | 12811 | |
ae917c9f JB |
12812 | if (req->flags && |
12813 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
12814 | goto nla_put_failure; | |
ed473771 | 12815 | |
1d76250b AS |
12816 | if (req->info.scan_start_tsf && |
12817 | (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF, | |
12818 | req->info.scan_start_tsf, NL80211_BSS_PAD) || | |
12819 | nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN, | |
12820 | req->info.tsf_bssid))) | |
12821 | goto nla_put_failure; | |
12822 | ||
362a415d JB |
12823 | return 0; |
12824 | nla_put_failure: | |
12825 | return -ENOBUFS; | |
12826 | } | |
12827 | ||
a538e2d5 JB |
12828 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
12829 | struct cfg80211_registered_device *rdev, | |
fd014284 | 12830 | struct wireless_dev *wdev, |
15e47304 | 12831 | u32 portid, u32 seq, int flags, |
a538e2d5 | 12832 | u32 cmd) |
2a519311 JB |
12833 | { |
12834 | void *hdr; | |
12835 | ||
15e47304 | 12836 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
12837 | if (!hdr) |
12838 | return -1; | |
12839 | ||
9360ffd1 | 12840 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
12841 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
12842 | wdev->netdev->ifindex)) || | |
2dad624e ND |
12843 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
12844 | NL80211_ATTR_PAD)) | |
9360ffd1 | 12845 | goto nla_put_failure; |
2a519311 | 12846 | |
362a415d JB |
12847 | /* ignore errors and send incomplete event anyway */ |
12848 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 12849 | |
053c095a JB |
12850 | genlmsg_end(msg, hdr); |
12851 | return 0; | |
2a519311 JB |
12852 | |
12853 | nla_put_failure: | |
12854 | genlmsg_cancel(msg, hdr); | |
12855 | return -EMSGSIZE; | |
12856 | } | |
12857 | ||
807f8a8c LC |
12858 | static int |
12859 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
12860 | struct cfg80211_registered_device *rdev, | |
12861 | struct net_device *netdev, | |
15e47304 | 12862 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
12863 | { |
12864 | void *hdr; | |
12865 | ||
15e47304 | 12866 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
12867 | if (!hdr) |
12868 | return -1; | |
12869 | ||
9360ffd1 DM |
12870 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12871 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
12872 | goto nla_put_failure; | |
807f8a8c | 12873 | |
053c095a JB |
12874 | genlmsg_end(msg, hdr); |
12875 | return 0; | |
807f8a8c LC |
12876 | |
12877 | nla_put_failure: | |
12878 | genlmsg_cancel(msg, hdr); | |
12879 | return -EMSGSIZE; | |
12880 | } | |
12881 | ||
a538e2d5 | 12882 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 12883 | struct wireless_dev *wdev) |
a538e2d5 JB |
12884 | { |
12885 | struct sk_buff *msg; | |
12886 | ||
58050fce | 12887 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
12888 | if (!msg) |
12889 | return; | |
12890 | ||
fd014284 | 12891 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
12892 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
12893 | nlmsg_free(msg); | |
12894 | return; | |
12895 | } | |
12896 | ||
68eb5503 | 12897 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12898 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
12899 | } |
12900 | ||
f9d15d16 JB |
12901 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
12902 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
12903 | { |
12904 | struct sk_buff *msg; | |
12905 | ||
fd2120ca | 12906 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 12907 | if (!msg) |
f9d15d16 | 12908 | return NULL; |
2a519311 | 12909 | |
fd014284 | 12910 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
12911 | aborted ? NL80211_CMD_SCAN_ABORTED : |
12912 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 12913 | nlmsg_free(msg); |
f9d15d16 | 12914 | return NULL; |
2a519311 JB |
12915 | } |
12916 | ||
f9d15d16 | 12917 | return msg; |
2a519311 JB |
12918 | } |
12919 | ||
f9d15d16 JB |
12920 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
12921 | struct sk_buff *msg) | |
2a519311 | 12922 | { |
2a519311 JB |
12923 | if (!msg) |
12924 | return; | |
12925 | ||
68eb5503 | 12926 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12927 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
12928 | } |
12929 | ||
807f8a8c LC |
12930 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
12931 | struct net_device *netdev) | |
12932 | { | |
12933 | struct sk_buff *msg; | |
12934 | ||
12935 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12936 | if (!msg) | |
12937 | return; | |
12938 | ||
12939 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
12940 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
12941 | nlmsg_free(msg); | |
12942 | return; | |
12943 | } | |
12944 | ||
68eb5503 | 12945 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12946 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
12947 | } |
12948 | ||
12949 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
12950 | struct net_device *netdev, u32 cmd) | |
12951 | { | |
12952 | struct sk_buff *msg; | |
12953 | ||
58050fce | 12954 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
12955 | if (!msg) |
12956 | return; | |
12957 | ||
12958 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
12959 | nlmsg_free(msg); | |
12960 | return; | |
12961 | } | |
12962 | ||
68eb5503 | 12963 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12964 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
12965 | } |
12966 | ||
b0d7aa59 JD |
12967 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
12968 | struct regulatory_request *request) | |
73d54c9e | 12969 | { |
73d54c9e | 12970 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
12971 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
12972 | goto nla_put_failure; | |
12973 | ||
12974 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
12975 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12976 | NL80211_REGDOM_TYPE_WORLD)) | |
12977 | goto nla_put_failure; | |
12978 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
12979 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12980 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
12981 | goto nla_put_failure; | |
12982 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
12983 | request->intersect) { | |
12984 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12985 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
12986 | goto nla_put_failure; | |
12987 | } else { | |
12988 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12989 | NL80211_REGDOM_TYPE_COUNTRY) || | |
12990 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
12991 | request->alpha2)) | |
12992 | goto nla_put_failure; | |
12993 | } | |
12994 | ||
ad30ca2c AN |
12995 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
12996 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
12997 | ||
12998 | if (wiphy && | |
12999 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
13000 | goto nla_put_failure; | |
1bdd716c AN |
13001 | |
13002 | if (wiphy && | |
13003 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
13004 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
13005 | goto nla_put_failure; | |
ad30ca2c | 13006 | } |
73d54c9e | 13007 | |
b0d7aa59 JD |
13008 | return true; |
13009 | ||
13010 | nla_put_failure: | |
13011 | return false; | |
13012 | } | |
13013 | ||
13014 | /* | |
13015 | * This can happen on global regulatory changes or device specific settings | |
13016 | * based on custom regulatory domains. | |
13017 | */ | |
13018 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
13019 | struct regulatory_request *request) | |
13020 | { | |
13021 | struct sk_buff *msg; | |
13022 | void *hdr; | |
13023 | ||
13024 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13025 | if (!msg) | |
13026 | return; | |
13027 | ||
13028 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
13029 | if (!hdr) { | |
13030 | nlmsg_free(msg); | |
13031 | return; | |
13032 | } | |
13033 | ||
13034 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
13035 | goto nla_put_failure; | |
13036 | ||
3b7b72ee | 13037 | genlmsg_end(msg, hdr); |
73d54c9e | 13038 | |
bc43b28c | 13039 | rcu_read_lock(); |
68eb5503 | 13040 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13041 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 13042 | rcu_read_unlock(); |
73d54c9e LR |
13043 | |
13044 | return; | |
13045 | ||
13046 | nla_put_failure: | |
13047 | genlmsg_cancel(msg, hdr); | |
13048 | nlmsg_free(msg); | |
13049 | } | |
13050 | ||
6039f6d2 JM |
13051 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
13052 | struct net_device *netdev, | |
13053 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
13054 | enum nl80211_commands cmd, gfp_t gfp, |
13055 | int uapsd_queues) | |
6039f6d2 JM |
13056 | { |
13057 | struct sk_buff *msg; | |
13058 | void *hdr; | |
13059 | ||
e6d6e342 | 13060 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
13061 | if (!msg) |
13062 | return; | |
13063 | ||
13064 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13065 | if (!hdr) { | |
13066 | nlmsg_free(msg); | |
13067 | return; | |
13068 | } | |
13069 | ||
9360ffd1 DM |
13070 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13071 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13072 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
13073 | goto nla_put_failure; | |
6039f6d2 | 13074 | |
b0b6aa2c EP |
13075 | if (uapsd_queues >= 0) { |
13076 | struct nlattr *nla_wmm = | |
13077 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
13078 | if (!nla_wmm) | |
13079 | goto nla_put_failure; | |
13080 | ||
13081 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
13082 | uapsd_queues)) | |
13083 | goto nla_put_failure; | |
13084 | ||
13085 | nla_nest_end(msg, nla_wmm); | |
13086 | } | |
13087 | ||
3b7b72ee | 13088 | genlmsg_end(msg, hdr); |
6039f6d2 | 13089 | |
68eb5503 | 13090 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13091 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
13092 | return; |
13093 | ||
13094 | nla_put_failure: | |
13095 | genlmsg_cancel(msg, hdr); | |
13096 | nlmsg_free(msg); | |
13097 | } | |
13098 | ||
13099 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13100 | struct net_device *netdev, const u8 *buf, |
13101 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13102 | { |
13103 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13104 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13105 | } |
13106 | ||
13107 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
13108 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 13109 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 13110 | { |
e6d6e342 | 13111 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 13112 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
13113 | } |
13114 | ||
53b46b84 | 13115 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
13116 | struct net_device *netdev, const u8 *buf, |
13117 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13118 | { |
13119 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13120 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13121 | } |
13122 | ||
53b46b84 JM |
13123 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
13124 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 13125 | size_t len, gfp_t gfp) |
6039f6d2 JM |
13126 | { |
13127 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13128 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
13129 | } |
13130 | ||
6ff57cf8 JB |
13131 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
13132 | size_t len) | |
cf4e594e | 13133 | { |
947add36 JB |
13134 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13135 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13136 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
13137 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
13138 | u32 cmd; | |
947add36 | 13139 | |
6ff57cf8 JB |
13140 | if (WARN_ON(len < 2)) |
13141 | return; | |
cf4e594e | 13142 | |
6ff57cf8 JB |
13143 | if (ieee80211_is_deauth(mgmt->frame_control)) |
13144 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
13145 | else | |
13146 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 13147 | |
6ff57cf8 | 13148 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 13149 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 13150 | } |
6ff57cf8 | 13151 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 13152 | |
1b06bb40 LR |
13153 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
13154 | struct net_device *netdev, int cmd, | |
e6d6e342 | 13155 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
13156 | { |
13157 | struct sk_buff *msg; | |
13158 | void *hdr; | |
13159 | ||
e6d6e342 | 13160 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
13161 | if (!msg) |
13162 | return; | |
13163 | ||
13164 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13165 | if (!hdr) { | |
13166 | nlmsg_free(msg); | |
13167 | return; | |
13168 | } | |
13169 | ||
9360ffd1 DM |
13170 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13171 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13172 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
13173 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13174 | goto nla_put_failure; | |
1965c853 | 13175 | |
3b7b72ee | 13176 | genlmsg_end(msg, hdr); |
1965c853 | 13177 | |
68eb5503 | 13178 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13179 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
13180 | return; |
13181 | ||
13182 | nla_put_failure: | |
13183 | genlmsg_cancel(msg, hdr); | |
13184 | nlmsg_free(msg); | |
13185 | } | |
13186 | ||
13187 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13188 | struct net_device *netdev, const u8 *addr, |
13189 | gfp_t gfp) | |
1965c853 JM |
13190 | { |
13191 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 13192 | addr, gfp); |
1965c853 JM |
13193 | } |
13194 | ||
13195 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13196 | struct net_device *netdev, const u8 *addr, |
13197 | gfp_t gfp) | |
1965c853 | 13198 | { |
e6d6e342 JB |
13199 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
13200 | addr, gfp); | |
1965c853 JM |
13201 | } |
13202 | ||
b23aa676 SO |
13203 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
13204 | struct net_device *netdev, const u8 *bssid, | |
13205 | const u8 *req_ie, size_t req_ie_len, | |
13206 | const u8 *resp_ie, size_t resp_ie_len, | |
bf1ecd21 | 13207 | int status, gfp_t gfp) |
b23aa676 SO |
13208 | { |
13209 | struct sk_buff *msg; | |
13210 | void *hdr; | |
13211 | ||
58050fce | 13212 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
13213 | if (!msg) |
13214 | return; | |
13215 | ||
13216 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
13217 | if (!hdr) { | |
13218 | nlmsg_free(msg); | |
13219 | return; | |
13220 | } | |
13221 | ||
9360ffd1 DM |
13222 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13223 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13224 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
bf1ecd21 JM |
13225 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, |
13226 | status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : | |
13227 | status) || | |
13228 | (status < 0 && nla_put_flag(msg, NL80211_ATTR_TIMED_OUT)) || | |
9360ffd1 DM |
13229 | (req_ie && |
13230 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
13231 | (resp_ie && | |
13232 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
13233 | goto nla_put_failure; | |
b23aa676 | 13234 | |
3b7b72ee | 13235 | genlmsg_end(msg, hdr); |
b23aa676 | 13236 | |
68eb5503 | 13237 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13238 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13239 | return; |
13240 | ||
13241 | nla_put_failure: | |
13242 | genlmsg_cancel(msg, hdr); | |
13243 | nlmsg_free(msg); | |
b23aa676 SO |
13244 | } |
13245 | ||
13246 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
13247 | struct net_device *netdev, const u8 *bssid, | |
13248 | const u8 *req_ie, size_t req_ie_len, | |
13249 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
13250 | { | |
13251 | struct sk_buff *msg; | |
13252 | void *hdr; | |
13253 | ||
58050fce | 13254 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
13255 | if (!msg) |
13256 | return; | |
13257 | ||
13258 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
13259 | if (!hdr) { | |
13260 | nlmsg_free(msg); | |
13261 | return; | |
13262 | } | |
13263 | ||
9360ffd1 DM |
13264 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13265 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13266 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
13267 | (req_ie && | |
13268 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
13269 | (resp_ie && | |
13270 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
13271 | goto nla_put_failure; | |
b23aa676 | 13272 | |
3b7b72ee | 13273 | genlmsg_end(msg, hdr); |
b23aa676 | 13274 | |
68eb5503 | 13275 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13276 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13277 | return; |
13278 | ||
13279 | nla_put_failure: | |
13280 | genlmsg_cancel(msg, hdr); | |
13281 | nlmsg_free(msg); | |
b23aa676 SO |
13282 | } |
13283 | ||
13284 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
13285 | struct net_device *netdev, u16 reason, | |
667503dd | 13286 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
13287 | { |
13288 | struct sk_buff *msg; | |
13289 | void *hdr; | |
13290 | ||
58050fce | 13291 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
13292 | if (!msg) |
13293 | return; | |
13294 | ||
13295 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
13296 | if (!hdr) { | |
13297 | nlmsg_free(msg); | |
13298 | return; | |
13299 | } | |
13300 | ||
9360ffd1 DM |
13301 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13302 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13303 | (from_ap && reason && | |
13304 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
13305 | (from_ap && | |
13306 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
13307 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
13308 | goto nla_put_failure; | |
b23aa676 | 13309 | |
3b7b72ee | 13310 | genlmsg_end(msg, hdr); |
b23aa676 | 13311 | |
68eb5503 | 13312 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13313 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
13314 | return; |
13315 | ||
13316 | nla_put_failure: | |
13317 | genlmsg_cancel(msg, hdr); | |
13318 | nlmsg_free(msg); | |
b23aa676 SO |
13319 | } |
13320 | ||
04a773ad JB |
13321 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
13322 | struct net_device *netdev, const u8 *bssid, | |
13323 | gfp_t gfp) | |
13324 | { | |
13325 | struct sk_buff *msg; | |
13326 | void *hdr; | |
13327 | ||
fd2120ca | 13328 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
13329 | if (!msg) |
13330 | return; | |
13331 | ||
13332 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
13333 | if (!hdr) { | |
13334 | nlmsg_free(msg); | |
13335 | return; | |
13336 | } | |
13337 | ||
9360ffd1 DM |
13338 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13339 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13340 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13341 | goto nla_put_failure; | |
04a773ad | 13342 | |
3b7b72ee | 13343 | genlmsg_end(msg, hdr); |
04a773ad | 13344 | |
68eb5503 | 13345 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13346 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
13347 | return; |
13348 | ||
13349 | nla_put_failure: | |
13350 | genlmsg_cancel(msg, hdr); | |
13351 | nlmsg_free(msg); | |
13352 | } | |
13353 | ||
947add36 JB |
13354 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
13355 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 13356 | { |
947add36 | 13357 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 13358 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
13359 | struct sk_buff *msg; |
13360 | void *hdr; | |
13361 | ||
947add36 JB |
13362 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
13363 | return; | |
13364 | ||
13365 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
13366 | ||
c93b5e71 JC |
13367 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
13368 | if (!msg) | |
13369 | return; | |
13370 | ||
13371 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
13372 | if (!hdr) { | |
13373 | nlmsg_free(msg); | |
13374 | return; | |
13375 | } | |
13376 | ||
9360ffd1 | 13377 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
13378 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
13379 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
13380 | (ie_len && ie && |
13381 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
13382 | goto nla_put_failure; | |
c93b5e71 | 13383 | |
3b7b72ee | 13384 | genlmsg_end(msg, hdr); |
c93b5e71 | 13385 | |
68eb5503 | 13386 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13387 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
13388 | return; |
13389 | ||
13390 | nla_put_failure: | |
13391 | genlmsg_cancel(msg, hdr); | |
13392 | nlmsg_free(msg); | |
13393 | } | |
947add36 | 13394 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 13395 | |
a3b8b056 JM |
13396 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
13397 | struct net_device *netdev, const u8 *addr, | |
13398 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 13399 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
13400 | { |
13401 | struct sk_buff *msg; | |
13402 | void *hdr; | |
13403 | ||
e6d6e342 | 13404 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
13405 | if (!msg) |
13406 | return; | |
13407 | ||
13408 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
13409 | if (!hdr) { | |
13410 | nlmsg_free(msg); | |
13411 | return; | |
13412 | } | |
13413 | ||
9360ffd1 DM |
13414 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13415 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13416 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
13417 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
13418 | (key_id != -1 && | |
13419 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
13420 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
13421 | goto nla_put_failure; | |
a3b8b056 | 13422 | |
3b7b72ee | 13423 | genlmsg_end(msg, hdr); |
a3b8b056 | 13424 | |
68eb5503 | 13425 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13426 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
13427 | return; |
13428 | ||
13429 | nla_put_failure: | |
13430 | genlmsg_cancel(msg, hdr); | |
13431 | nlmsg_free(msg); | |
13432 | } | |
13433 | ||
6bad8766 LR |
13434 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
13435 | struct ieee80211_channel *channel_before, | |
13436 | struct ieee80211_channel *channel_after) | |
13437 | { | |
13438 | struct sk_buff *msg; | |
13439 | void *hdr; | |
13440 | struct nlattr *nl_freq; | |
13441 | ||
fd2120ca | 13442 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
13443 | if (!msg) |
13444 | return; | |
13445 | ||
13446 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
13447 | if (!hdr) { | |
13448 | nlmsg_free(msg); | |
13449 | return; | |
13450 | } | |
13451 | ||
13452 | /* | |
13453 | * Since we are applying the beacon hint to a wiphy we know its | |
13454 | * wiphy_idx is valid | |
13455 | */ | |
9360ffd1 DM |
13456 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
13457 | goto nla_put_failure; | |
6bad8766 LR |
13458 | |
13459 | /* Before */ | |
13460 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
13461 | if (!nl_freq) | |
13462 | goto nla_put_failure; | |
cdc89b97 | 13463 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
13464 | goto nla_put_failure; |
13465 | nla_nest_end(msg, nl_freq); | |
13466 | ||
13467 | /* After */ | |
13468 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
13469 | if (!nl_freq) | |
13470 | goto nla_put_failure; | |
cdc89b97 | 13471 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
13472 | goto nla_put_failure; |
13473 | nla_nest_end(msg, nl_freq); | |
13474 | ||
3b7b72ee | 13475 | genlmsg_end(msg, hdr); |
6bad8766 | 13476 | |
463d0183 | 13477 | rcu_read_lock(); |
68eb5503 | 13478 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13479 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 13480 | rcu_read_unlock(); |
6bad8766 LR |
13481 | |
13482 | return; | |
13483 | ||
13484 | nla_put_failure: | |
13485 | genlmsg_cancel(msg, hdr); | |
13486 | nlmsg_free(msg); | |
13487 | } | |
13488 | ||
9588bbd5 JM |
13489 | static void nl80211_send_remain_on_chan_event( |
13490 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 13491 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 13492 | struct ieee80211_channel *chan, |
9588bbd5 JM |
13493 | unsigned int duration, gfp_t gfp) |
13494 | { | |
13495 | struct sk_buff *msg; | |
13496 | void *hdr; | |
13497 | ||
13498 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13499 | if (!msg) | |
13500 | return; | |
13501 | ||
13502 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13503 | if (!hdr) { | |
13504 | nlmsg_free(msg); | |
13505 | return; | |
13506 | } | |
13507 | ||
9360ffd1 | 13508 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13509 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13510 | wdev->netdev->ifindex)) || | |
2dad624e ND |
13511 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13512 | NL80211_ATTR_PAD) || | |
9360ffd1 | 13513 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
13514 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
13515 | NL80211_CHAN_NO_HT) || | |
2dad624e ND |
13516 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
13517 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13518 | goto nla_put_failure; |
9588bbd5 | 13519 | |
9360ffd1 DM |
13520 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
13521 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
13522 | goto nla_put_failure; | |
9588bbd5 | 13523 | |
3b7b72ee | 13524 | genlmsg_end(msg, hdr); |
9588bbd5 | 13525 | |
68eb5503 | 13526 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13527 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
13528 | return; |
13529 | ||
13530 | nla_put_failure: | |
13531 | genlmsg_cancel(msg, hdr); | |
13532 | nlmsg_free(msg); | |
13533 | } | |
13534 | ||
947add36 JB |
13535 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
13536 | struct ieee80211_channel *chan, | |
13537 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 13538 | { |
947add36 | 13539 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13540 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13541 | |
13542 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 13543 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 13544 | rdev, wdev, cookie, chan, |
42d97a59 | 13545 | duration, gfp); |
9588bbd5 | 13546 | } |
947add36 | 13547 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 13548 | |
947add36 JB |
13549 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
13550 | struct ieee80211_channel *chan, | |
13551 | gfp_t gfp) | |
9588bbd5 | 13552 | { |
947add36 | 13553 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13554 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13555 | |
13556 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 13557 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 13558 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 13559 | } |
947add36 | 13560 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 13561 | |
947add36 JB |
13562 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
13563 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 13564 | { |
947add36 | 13565 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13566 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
13567 | struct sk_buff *msg; |
13568 | ||
947add36 JB |
13569 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
13570 | ||
58050fce | 13571 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
13572 | if (!msg) |
13573 | return; | |
13574 | ||
cf5ead82 | 13575 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 13576 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
13577 | nlmsg_free(msg); |
13578 | return; | |
13579 | } | |
13580 | ||
68eb5503 | 13581 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13582 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 13583 | } |
947add36 | 13584 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 13585 | |
cf5ead82 JB |
13586 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
13587 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 13588 | { |
947add36 | 13589 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13590 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 13591 | struct sk_buff *msg; |
cf5ead82 JB |
13592 | struct station_info empty_sinfo = {}; |
13593 | ||
13594 | if (!sinfo) | |
13595 | sinfo = &empty_sinfo; | |
ec15e68b | 13596 | |
947add36 JB |
13597 | trace_cfg80211_del_sta(dev, mac_addr); |
13598 | ||
58050fce | 13599 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
13600 | if (!msg) |
13601 | return; | |
13602 | ||
cf5ead82 | 13603 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 13604 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b JM |
13605 | nlmsg_free(msg); |
13606 | return; | |
13607 | } | |
13608 | ||
68eb5503 | 13609 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13610 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 13611 | } |
cf5ead82 | 13612 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 13613 | |
947add36 JB |
13614 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
13615 | enum nl80211_connect_failed_reason reason, | |
13616 | gfp_t gfp) | |
ed44a951 | 13617 | { |
947add36 | 13618 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13619 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
13620 | struct sk_buff *msg; |
13621 | void *hdr; | |
13622 | ||
13623 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
13624 | if (!msg) | |
13625 | return; | |
13626 | ||
13627 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
13628 | if (!hdr) { | |
13629 | nlmsg_free(msg); | |
13630 | return; | |
13631 | } | |
13632 | ||
13633 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13634 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
13635 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
13636 | goto nla_put_failure; | |
13637 | ||
13638 | genlmsg_end(msg, hdr); | |
13639 | ||
68eb5503 | 13640 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13641 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
13642 | return; |
13643 | ||
13644 | nla_put_failure: | |
13645 | genlmsg_cancel(msg, hdr); | |
13646 | nlmsg_free(msg); | |
13647 | } | |
947add36 | 13648 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 13649 | |
b92ab5d8 JB |
13650 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
13651 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
13652 | { |
13653 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 13654 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
13655 | struct sk_buff *msg; |
13656 | void *hdr; | |
15e47304 | 13657 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 13658 | |
15e47304 | 13659 | if (!nlportid) |
28946da7 JB |
13660 | return false; |
13661 | ||
13662 | msg = nlmsg_new(100, gfp); | |
13663 | if (!msg) | |
13664 | return true; | |
13665 | ||
b92ab5d8 | 13666 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
13667 | if (!hdr) { |
13668 | nlmsg_free(msg); | |
13669 | return true; | |
13670 | } | |
13671 | ||
9360ffd1 DM |
13672 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13673 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13674 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13675 | goto nla_put_failure; | |
28946da7 | 13676 | |
9c90a9f6 | 13677 | genlmsg_end(msg, hdr); |
15e47304 | 13678 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
13679 | return true; |
13680 | ||
13681 | nla_put_failure: | |
13682 | genlmsg_cancel(msg, hdr); | |
13683 | nlmsg_free(msg); | |
13684 | return true; | |
13685 | } | |
13686 | ||
947add36 JB |
13687 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
13688 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 13689 | { |
947add36 JB |
13690 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13691 | bool ret; | |
13692 | ||
13693 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
13694 | ||
13695 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
13696 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
13697 | trace_cfg80211_return_bool(false); | |
13698 | return false; | |
13699 | } | |
13700 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
13701 | addr, gfp); | |
13702 | trace_cfg80211_return_bool(ret); | |
13703 | return ret; | |
b92ab5d8 | 13704 | } |
947add36 | 13705 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 13706 | |
947add36 JB |
13707 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
13708 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 13709 | { |
947add36 JB |
13710 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13711 | bool ret; | |
13712 | ||
13713 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
13714 | ||
13715 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
13716 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
13717 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
13718 | trace_cfg80211_return_bool(false); | |
13719 | return false; | |
13720 | } | |
13721 | ret = __nl80211_unexpected_frame(dev, | |
13722 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
13723 | addr, gfp); | |
13724 | trace_cfg80211_return_bool(ret); | |
13725 | return ret; | |
b92ab5d8 | 13726 | } |
947add36 | 13727 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 13728 | |
2e161f78 | 13729 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 13730 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 13731 | int freq, int sig_dbm, |
19504cf5 | 13732 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 13733 | { |
71bbc994 | 13734 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
13735 | struct sk_buff *msg; |
13736 | void *hdr; | |
026331c4 JM |
13737 | |
13738 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13739 | if (!msg) | |
13740 | return -ENOMEM; | |
13741 | ||
2e161f78 | 13742 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
13743 | if (!hdr) { |
13744 | nlmsg_free(msg); | |
13745 | return -ENOMEM; | |
13746 | } | |
13747 | ||
9360ffd1 | 13748 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13749 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13750 | netdev->ifindex)) || | |
2dad624e ND |
13751 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13752 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
13753 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
13754 | (sig_dbm && | |
13755 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
13756 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
13757 | (flags && | |
13758 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 13759 | goto nla_put_failure; |
026331c4 | 13760 | |
3b7b72ee | 13761 | genlmsg_end(msg, hdr); |
026331c4 | 13762 | |
15e47304 | 13763 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
13764 | |
13765 | nla_put_failure: | |
13766 | genlmsg_cancel(msg, hdr); | |
13767 | nlmsg_free(msg); | |
13768 | return -ENOBUFS; | |
13769 | } | |
13770 | ||
947add36 JB |
13771 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
13772 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 13773 | { |
947add36 | 13774 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13775 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 13776 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
13777 | struct sk_buff *msg; |
13778 | void *hdr; | |
13779 | ||
947add36 JB |
13780 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
13781 | ||
026331c4 JM |
13782 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
13783 | if (!msg) | |
13784 | return; | |
13785 | ||
2e161f78 | 13786 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
13787 | if (!hdr) { |
13788 | nlmsg_free(msg); | |
13789 | return; | |
13790 | } | |
13791 | ||
9360ffd1 | 13792 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13793 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13794 | netdev->ifindex)) || | |
2dad624e ND |
13795 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13796 | NL80211_ATTR_PAD) || | |
9360ffd1 | 13797 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
2dad624e ND |
13798 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
13799 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
13800 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) |
13801 | goto nla_put_failure; | |
026331c4 | 13802 | |
3b7b72ee | 13803 | genlmsg_end(msg, hdr); |
026331c4 | 13804 | |
68eb5503 | 13805 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13806 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
13807 | return; |
13808 | ||
13809 | nla_put_failure: | |
13810 | genlmsg_cancel(msg, hdr); | |
13811 | nlmsg_free(msg); | |
13812 | } | |
947add36 | 13813 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 13814 | |
5b97f49d JB |
13815 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
13816 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 13817 | { |
947add36 | 13818 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
13819 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
13820 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13821 | void **cb; | |
947add36 | 13822 | |
d6dc1a38 | 13823 | if (!msg) |
5b97f49d | 13824 | return NULL; |
d6dc1a38 | 13825 | |
5b97f49d JB |
13826 | cb = (void **)msg->cb; |
13827 | ||
13828 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
13829 | if (!cb[0]) { | |
d6dc1a38 | 13830 | nlmsg_free(msg); |
5b97f49d | 13831 | return NULL; |
d6dc1a38 JO |
13832 | } |
13833 | ||
9360ffd1 | 13834 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 13835 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 13836 | goto nla_put_failure; |
d6dc1a38 | 13837 | |
5b97f49d | 13838 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
13839 | goto nla_put_failure; |
13840 | ||
5b97f49d JB |
13841 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
13842 | if (!cb[1]) | |
9360ffd1 | 13843 | goto nla_put_failure; |
d6dc1a38 | 13844 | |
5b97f49d | 13845 | cb[2] = rdev; |
d6dc1a38 | 13846 | |
5b97f49d JB |
13847 | return msg; |
13848 | nla_put_failure: | |
13849 | nlmsg_free(msg); | |
13850 | return NULL; | |
13851 | } | |
13852 | ||
13853 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
13854 | { | |
13855 | void **cb = (void **)msg->cb; | |
13856 | struct cfg80211_registered_device *rdev = cb[2]; | |
13857 | ||
13858 | nla_nest_end(msg, cb[1]); | |
13859 | genlmsg_end(msg, cb[0]); | |
13860 | ||
13861 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 13862 | |
68eb5503 | 13863 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13864 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
13865 | } |
13866 | ||
13867 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
13868 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
13869 | gfp_t gfp) | |
13870 | { | |
13871 | struct sk_buff *msg; | |
13872 | ||
13873 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); | |
13874 | ||
98f03342 JB |
13875 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
13876 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
13877 | return; | |
13878 | ||
5b97f49d JB |
13879 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
13880 | if (!msg) | |
13881 | return; | |
13882 | ||
13883 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
13884 | rssi_event)) | |
13885 | goto nla_put_failure; | |
13886 | ||
13887 | cfg80211_send_cqm(msg, gfp); | |
13888 | ||
d6dc1a38 JO |
13889 | return; |
13890 | ||
13891 | nla_put_failure: | |
d6dc1a38 JO |
13892 | nlmsg_free(msg); |
13893 | } | |
947add36 | 13894 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 13895 | |
5b97f49d JB |
13896 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
13897 | const u8 *peer, u32 num_packets, | |
13898 | u32 rate, u32 intvl, gfp_t gfp) | |
13899 | { | |
13900 | struct sk_buff *msg; | |
13901 | ||
13902 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
13903 | if (!msg) | |
13904 | return; | |
13905 | ||
13906 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
13907 | goto nla_put_failure; | |
13908 | ||
13909 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
13910 | goto nla_put_failure; | |
13911 | ||
13912 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
13913 | goto nla_put_failure; | |
13914 | ||
13915 | cfg80211_send_cqm(msg, gfp); | |
13916 | return; | |
13917 | ||
13918 | nla_put_failure: | |
13919 | nlmsg_free(msg); | |
13920 | } | |
13921 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
13922 | ||
13923 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
13924 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
13925 | { | |
13926 | struct sk_buff *msg; | |
13927 | ||
13928 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
13929 | ||
13930 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
13931 | if (!msg) | |
13932 | return; | |
13933 | ||
13934 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
13935 | goto nla_put_failure; | |
13936 | ||
13937 | cfg80211_send_cqm(msg, gfp); | |
13938 | return; | |
13939 | ||
13940 | nla_put_failure: | |
13941 | nlmsg_free(msg); | |
13942 | } | |
13943 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
13944 | ||
98f03342 JB |
13945 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
13946 | { | |
13947 | struct sk_buff *msg; | |
13948 | ||
13949 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
13950 | if (!msg) | |
13951 | return; | |
13952 | ||
13953 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
13954 | goto nla_put_failure; | |
13955 | ||
13956 | cfg80211_send_cqm(msg, gfp); | |
13957 | return; | |
13958 | ||
13959 | nla_put_failure: | |
13960 | nlmsg_free(msg); | |
13961 | } | |
13962 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
13963 | ||
947add36 JB |
13964 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
13965 | struct net_device *netdev, const u8 *bssid, | |
13966 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
13967 | { |
13968 | struct sk_buff *msg; | |
13969 | struct nlattr *rekey_attr; | |
13970 | void *hdr; | |
13971 | ||
58050fce | 13972 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
13973 | if (!msg) |
13974 | return; | |
13975 | ||
13976 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
13977 | if (!hdr) { | |
13978 | nlmsg_free(msg); | |
13979 | return; | |
13980 | } | |
13981 | ||
9360ffd1 DM |
13982 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13983 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13984 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13985 | goto nla_put_failure; | |
e5497d76 JB |
13986 | |
13987 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
13988 | if (!rekey_attr) | |
13989 | goto nla_put_failure; | |
13990 | ||
9360ffd1 DM |
13991 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
13992 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
13993 | goto nla_put_failure; | |
e5497d76 JB |
13994 | |
13995 | nla_nest_end(msg, rekey_attr); | |
13996 | ||
3b7b72ee | 13997 | genlmsg_end(msg, hdr); |
e5497d76 | 13998 | |
68eb5503 | 13999 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14000 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
14001 | return; |
14002 | ||
14003 | nla_put_failure: | |
14004 | genlmsg_cancel(msg, hdr); | |
14005 | nlmsg_free(msg); | |
14006 | } | |
14007 | ||
947add36 JB |
14008 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
14009 | const u8 *replay_ctr, gfp_t gfp) | |
14010 | { | |
14011 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14012 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14013 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14014 | |
14015 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
14016 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
14017 | } | |
14018 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
14019 | ||
14020 | static void | |
14021 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
14022 | struct net_device *netdev, int index, | |
14023 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
14024 | { |
14025 | struct sk_buff *msg; | |
14026 | struct nlattr *attr; | |
14027 | void *hdr; | |
14028 | ||
58050fce | 14029 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
14030 | if (!msg) |
14031 | return; | |
14032 | ||
14033 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
14034 | if (!hdr) { | |
14035 | nlmsg_free(msg); | |
14036 | return; | |
14037 | } | |
14038 | ||
9360ffd1 DM |
14039 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14040 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
14041 | goto nla_put_failure; | |
c9df56b4 JM |
14042 | |
14043 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
14044 | if (!attr) | |
14045 | goto nla_put_failure; | |
14046 | ||
9360ffd1 DM |
14047 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
14048 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
14049 | (preauth && | |
14050 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
14051 | goto nla_put_failure; | |
c9df56b4 JM |
14052 | |
14053 | nla_nest_end(msg, attr); | |
14054 | ||
3b7b72ee | 14055 | genlmsg_end(msg, hdr); |
c9df56b4 | 14056 | |
68eb5503 | 14057 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14058 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
14059 | return; |
14060 | ||
14061 | nla_put_failure: | |
14062 | genlmsg_cancel(msg, hdr); | |
14063 | nlmsg_free(msg); | |
14064 | } | |
14065 | ||
947add36 JB |
14066 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
14067 | const u8 *bssid, bool preauth, gfp_t gfp) | |
14068 | { | |
14069 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14070 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14071 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14072 | |
14073 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
14074 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
14075 | } | |
14076 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
14077 | ||
14078 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
14079 | struct net_device *netdev, | |
14080 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
14081 | gfp_t gfp, |
14082 | enum nl80211_commands notif, | |
14083 | u8 count) | |
5314526b TP |
14084 | { |
14085 | struct sk_buff *msg; | |
14086 | void *hdr; | |
14087 | ||
58050fce | 14088 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
14089 | if (!msg) |
14090 | return; | |
14091 | ||
f8d7552e | 14092 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
14093 | if (!hdr) { |
14094 | nlmsg_free(msg); | |
14095 | return; | |
14096 | } | |
14097 | ||
683b6d3b JB |
14098 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
14099 | goto nla_put_failure; | |
14100 | ||
14101 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 14102 | goto nla_put_failure; |
5314526b | 14103 | |
f8d7552e LC |
14104 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
14105 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
14106 | goto nla_put_failure; | |
14107 | ||
5314526b TP |
14108 | genlmsg_end(msg, hdr); |
14109 | ||
68eb5503 | 14110 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14111 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
14112 | return; |
14113 | ||
14114 | nla_put_failure: | |
14115 | genlmsg_cancel(msg, hdr); | |
14116 | nlmsg_free(msg); | |
14117 | } | |
14118 | ||
947add36 JB |
14119 | void cfg80211_ch_switch_notify(struct net_device *dev, |
14120 | struct cfg80211_chan_def *chandef) | |
84f10708 | 14121 | { |
947add36 JB |
14122 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14123 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14124 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 14125 | |
e487eaeb | 14126 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 14127 | |
e487eaeb | 14128 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 14129 | |
9e0e2961 | 14130 | wdev->chandef = *chandef; |
96f55f12 | 14131 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
14132 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
14133 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
14134 | } |
14135 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
14136 | ||
f8d7552e LC |
14137 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
14138 | struct cfg80211_chan_def *chandef, | |
14139 | u8 count) | |
14140 | { | |
14141 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14142 | struct wiphy *wiphy = wdev->wiphy; | |
14143 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
14144 | ||
14145 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
14146 | ||
14147 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
14148 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
14149 | } | |
14150 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
14151 | ||
04f39047 SW |
14152 | void |
14153 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 14154 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
14155 | enum nl80211_radar_event event, |
14156 | struct net_device *netdev, gfp_t gfp) | |
14157 | { | |
14158 | struct sk_buff *msg; | |
14159 | void *hdr; | |
14160 | ||
14161 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14162 | if (!msg) | |
14163 | return; | |
14164 | ||
14165 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
14166 | if (!hdr) { | |
14167 | nlmsg_free(msg); | |
14168 | return; | |
14169 | } | |
14170 | ||
14171 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
14172 | goto nla_put_failure; | |
14173 | ||
14174 | /* NOP and radar events don't need a netdev parameter */ | |
14175 | if (netdev) { | |
14176 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
14177 | ||
14178 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
2dad624e ND |
14179 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14180 | NL80211_ATTR_PAD)) | |
04f39047 SW |
14181 | goto nla_put_failure; |
14182 | } | |
14183 | ||
14184 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
14185 | goto nla_put_failure; | |
14186 | ||
14187 | if (nl80211_send_chandef(msg, chandef)) | |
14188 | goto nla_put_failure; | |
14189 | ||
9c90a9f6 | 14190 | genlmsg_end(msg, hdr); |
04f39047 | 14191 | |
68eb5503 | 14192 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14193 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
14194 | return; |
14195 | ||
14196 | nla_put_failure: | |
14197 | genlmsg_cancel(msg, hdr); | |
14198 | nlmsg_free(msg); | |
14199 | } | |
14200 | ||
7f6cf311 JB |
14201 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
14202 | u64 cookie, bool acked, gfp_t gfp) | |
14203 | { | |
14204 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14205 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
14206 | struct sk_buff *msg; |
14207 | void *hdr; | |
7f6cf311 | 14208 | |
4ee3e063 BL |
14209 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
14210 | ||
58050fce | 14211 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 14212 | |
7f6cf311 JB |
14213 | if (!msg) |
14214 | return; | |
14215 | ||
14216 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
14217 | if (!hdr) { | |
14218 | nlmsg_free(msg); | |
14219 | return; | |
14220 | } | |
14221 | ||
9360ffd1 DM |
14222 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14223 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14224 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
2dad624e ND |
14225 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14226 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14227 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14228 | goto nla_put_failure; | |
7f6cf311 | 14229 | |
9c90a9f6 | 14230 | genlmsg_end(msg, hdr); |
7f6cf311 | 14231 | |
68eb5503 | 14232 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14233 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
14234 | return; |
14235 | ||
14236 | nla_put_failure: | |
14237 | genlmsg_cancel(msg, hdr); | |
14238 | nlmsg_free(msg); | |
14239 | } | |
14240 | EXPORT_SYMBOL(cfg80211_probe_status); | |
14241 | ||
5e760230 JB |
14242 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
14243 | const u8 *frame, size_t len, | |
37c73b5f | 14244 | int freq, int sig_dbm) |
5e760230 | 14245 | { |
f26cbf40 | 14246 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
14247 | struct sk_buff *msg; |
14248 | void *hdr; | |
37c73b5f | 14249 | struct cfg80211_beacon_registration *reg; |
5e760230 | 14250 | |
4ee3e063 BL |
14251 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
14252 | ||
37c73b5f BG |
14253 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14254 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
14255 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
14256 | if (!msg) { | |
14257 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
14258 | return; | |
14259 | } | |
5e760230 | 14260 | |
37c73b5f BG |
14261 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
14262 | if (!hdr) | |
14263 | goto nla_put_failure; | |
5e760230 | 14264 | |
37c73b5f BG |
14265 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14266 | (freq && | |
14267 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
14268 | (sig_dbm && | |
14269 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
14270 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
14271 | goto nla_put_failure; | |
5e760230 | 14272 | |
37c73b5f | 14273 | genlmsg_end(msg, hdr); |
5e760230 | 14274 | |
37c73b5f BG |
14275 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
14276 | } | |
14277 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
14278 | return; |
14279 | ||
14280 | nla_put_failure: | |
37c73b5f BG |
14281 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
14282 | if (hdr) | |
14283 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
14284 | nlmsg_free(msg); |
14285 | } | |
14286 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
14287 | ||
cd8f7cb4 | 14288 | #ifdef CONFIG_PM |
8cd4d456 LC |
14289 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
14290 | struct cfg80211_wowlan_wakeup *wakeup) | |
14291 | { | |
14292 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
14293 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
14294 | int i, j; | |
14295 | ||
14296 | nl_results = nla_nest_start( | |
14297 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
14298 | if (!nl_results) | |
14299 | return -EMSGSIZE; | |
14300 | ||
14301 | for (i = 0; i < nd->n_matches; i++) { | |
14302 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
14303 | ||
14304 | nl_match = nla_nest_start(msg, i); | |
14305 | if (!nl_match) | |
14306 | break; | |
14307 | ||
14308 | /* The SSID attribute is optional in nl80211, but for | |
14309 | * simplicity reasons it's always present in the | |
14310 | * cfg80211 structure. If a driver can't pass the | |
14311 | * SSID, that needs to be changed. A zero length SSID | |
14312 | * is still a valid SSID (wildcard), so it cannot be | |
14313 | * used for this purpose. | |
14314 | */ | |
14315 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
14316 | match->ssid.ssid)) { | |
14317 | nla_nest_cancel(msg, nl_match); | |
14318 | goto out; | |
14319 | } | |
14320 | ||
14321 | if (match->n_channels) { | |
14322 | nl_freqs = nla_nest_start( | |
14323 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
14324 | if (!nl_freqs) { | |
14325 | nla_nest_cancel(msg, nl_match); | |
14326 | goto out; | |
14327 | } | |
14328 | ||
14329 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 14330 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
14331 | nla_nest_cancel(msg, nl_freqs); |
14332 | nla_nest_cancel(msg, nl_match); | |
14333 | goto out; | |
14334 | } | |
14335 | } | |
14336 | ||
14337 | nla_nest_end(msg, nl_freqs); | |
14338 | } | |
14339 | ||
14340 | nla_nest_end(msg, nl_match); | |
14341 | } | |
14342 | ||
14343 | out: | |
14344 | nla_nest_end(msg, nl_results); | |
14345 | return 0; | |
14346 | } | |
14347 | ||
cd8f7cb4 JB |
14348 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
14349 | struct cfg80211_wowlan_wakeup *wakeup, | |
14350 | gfp_t gfp) | |
14351 | { | |
f26cbf40 | 14352 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
14353 | struct sk_buff *msg; |
14354 | void *hdr; | |
9c90a9f6 | 14355 | int size = 200; |
cd8f7cb4 JB |
14356 | |
14357 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
14358 | ||
14359 | if (wakeup) | |
14360 | size += wakeup->packet_present_len; | |
14361 | ||
14362 | msg = nlmsg_new(size, gfp); | |
14363 | if (!msg) | |
14364 | return; | |
14365 | ||
14366 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
14367 | if (!hdr) | |
14368 | goto free_msg; | |
14369 | ||
14370 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14371 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14372 | NL80211_ATTR_PAD)) | |
cd8f7cb4 JB |
14373 | goto free_msg; |
14374 | ||
14375 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
14376 | wdev->netdev->ifindex)) | |
14377 | goto free_msg; | |
14378 | ||
14379 | if (wakeup) { | |
14380 | struct nlattr *reasons; | |
14381 | ||
14382 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
14383 | if (!reasons) |
14384 | goto free_msg; | |
cd8f7cb4 JB |
14385 | |
14386 | if (wakeup->disconnect && | |
14387 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
14388 | goto free_msg; | |
14389 | if (wakeup->magic_pkt && | |
14390 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
14391 | goto free_msg; | |
14392 | if (wakeup->gtk_rekey_failure && | |
14393 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
14394 | goto free_msg; | |
14395 | if (wakeup->eap_identity_req && | |
14396 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
14397 | goto free_msg; | |
14398 | if (wakeup->four_way_handshake && | |
14399 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
14400 | goto free_msg; | |
14401 | if (wakeup->rfkill_release && | |
14402 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
14403 | goto free_msg; | |
14404 | ||
14405 | if (wakeup->pattern_idx >= 0 && | |
14406 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
14407 | wakeup->pattern_idx)) | |
14408 | goto free_msg; | |
14409 | ||
ae917c9f JB |
14410 | if (wakeup->tcp_match && |
14411 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
14412 | goto free_msg; | |
2a0e047e | 14413 | |
ae917c9f JB |
14414 | if (wakeup->tcp_connlost && |
14415 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
14416 | goto free_msg; | |
2a0e047e | 14417 | |
ae917c9f JB |
14418 | if (wakeup->tcp_nomoretokens && |
14419 | nla_put_flag(msg, | |
14420 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
14421 | goto free_msg; | |
2a0e047e | 14422 | |
cd8f7cb4 JB |
14423 | if (wakeup->packet) { |
14424 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
14425 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
14426 | ||
14427 | if (!wakeup->packet_80211) { | |
14428 | pkt_attr = | |
14429 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
14430 | len_attr = | |
14431 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
14432 | } | |
14433 | ||
14434 | if (wakeup->packet_len && | |
14435 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
14436 | goto free_msg; | |
14437 | ||
14438 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
14439 | wakeup->packet)) | |
14440 | goto free_msg; | |
14441 | } | |
14442 | ||
8cd4d456 LC |
14443 | if (wakeup->net_detect && |
14444 | cfg80211_net_detect_results(msg, wakeup)) | |
14445 | goto free_msg; | |
14446 | ||
cd8f7cb4 JB |
14447 | nla_nest_end(msg, reasons); |
14448 | } | |
14449 | ||
9c90a9f6 | 14450 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 14451 | |
68eb5503 | 14452 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14453 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
14454 | return; |
14455 | ||
14456 | free_msg: | |
14457 | nlmsg_free(msg); | |
14458 | } | |
14459 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
14460 | #endif | |
14461 | ||
3475b094 JM |
14462 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
14463 | enum nl80211_tdls_operation oper, | |
14464 | u16 reason_code, gfp_t gfp) | |
14465 | { | |
14466 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14467 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
14468 | struct sk_buff *msg; |
14469 | void *hdr; | |
3475b094 JM |
14470 | |
14471 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
14472 | reason_code); | |
14473 | ||
14474 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14475 | if (!msg) | |
14476 | return; | |
14477 | ||
14478 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
14479 | if (!hdr) { | |
14480 | nlmsg_free(msg); | |
14481 | return; | |
14482 | } | |
14483 | ||
14484 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14485 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14486 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
14487 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
14488 | (reason_code > 0 && | |
14489 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
14490 | goto nla_put_failure; | |
14491 | ||
9c90a9f6 | 14492 | genlmsg_end(msg, hdr); |
3475b094 | 14493 | |
68eb5503 | 14494 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14495 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
14496 | return; |
14497 | ||
14498 | nla_put_failure: | |
14499 | genlmsg_cancel(msg, hdr); | |
14500 | nlmsg_free(msg); | |
14501 | } | |
14502 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
14503 | ||
026331c4 JM |
14504 | static int nl80211_netlink_notify(struct notifier_block * nb, |
14505 | unsigned long state, | |
14506 | void *_notify) | |
14507 | { | |
14508 | struct netlink_notify *notify = _notify; | |
14509 | struct cfg80211_registered_device *rdev; | |
14510 | struct wireless_dev *wdev; | |
37c73b5f | 14511 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 | 14512 | |
8f815cdd | 14513 | if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC) |
026331c4 JM |
14514 | return NOTIFY_DONE; |
14515 | ||
14516 | rcu_read_lock(); | |
14517 | ||
5e760230 | 14518 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a | 14519 | bool schedule_destroy_work = false; |
93a1e86c JR |
14520 | struct cfg80211_sched_scan_request *sched_scan_req = |
14521 | rcu_dereference(rdev->sched_scan_req); | |
14522 | ||
14523 | if (sched_scan_req && notify->portid && | |
753aacfd JB |
14524 | sched_scan_req->owner_nlportid == notify->portid) { |
14525 | sched_scan_req->owner_nlportid = 0; | |
14526 | ||
14527 | if (rdev->ops->sched_scan_stop && | |
14528 | rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
14529 | schedule_work(&rdev->sched_scan_stop_wk); | |
14530 | } | |
78f22b6a | 14531 | |
53873f13 | 14532 | list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) { |
15e47304 | 14533 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 14534 | |
78f22b6a JB |
14535 | if (wdev->owner_nlportid == notify->portid) |
14536 | schedule_destroy_work = true; | |
14537 | } | |
14538 | ||
37c73b5f BG |
14539 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14540 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
14541 | list) { | |
14542 | if (reg->nlportid == notify->portid) { | |
14543 | list_del(®->list); | |
14544 | kfree(reg); | |
14545 | break; | |
14546 | } | |
14547 | } | |
14548 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
14549 | |
14550 | if (schedule_destroy_work) { | |
14551 | struct cfg80211_iface_destroy *destroy; | |
14552 | ||
14553 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
14554 | if (destroy) { | |
14555 | destroy->nlportid = notify->portid; | |
14556 | spin_lock(&rdev->destroy_list_lock); | |
14557 | list_add(&destroy->list, &rdev->destroy_list); | |
14558 | spin_unlock(&rdev->destroy_list_lock); | |
14559 | schedule_work(&rdev->destroy_work); | |
14560 | } | |
14561 | } | |
5e760230 | 14562 | } |
026331c4 JM |
14563 | |
14564 | rcu_read_unlock(); | |
14565 | ||
05050753 I |
14566 | /* |
14567 | * It is possible that the user space process that is controlling the | |
14568 | * indoor setting disappeared, so notify the regulatory core. | |
14569 | */ | |
14570 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 14571 | return NOTIFY_OK; |
026331c4 JM |
14572 | } |
14573 | ||
14574 | static struct notifier_block nl80211_netlink_notifier = { | |
14575 | .notifier_call = nl80211_netlink_notify, | |
14576 | }; | |
14577 | ||
355199e0 JM |
14578 | void cfg80211_ft_event(struct net_device *netdev, |
14579 | struct cfg80211_ft_event_params *ft_event) | |
14580 | { | |
14581 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 14582 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
14583 | struct sk_buff *msg; |
14584 | void *hdr; | |
355199e0 JM |
14585 | |
14586 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
14587 | ||
14588 | if (!ft_event->target_ap) | |
14589 | return; | |
14590 | ||
14591 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14592 | if (!msg) | |
14593 | return; | |
14594 | ||
14595 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
14596 | if (!hdr) |
14597 | goto out; | |
355199e0 | 14598 | |
ae917c9f JB |
14599 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14600 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14601 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
14602 | goto out; | |
355199e0 | 14603 | |
ae917c9f JB |
14604 | if (ft_event->ies && |
14605 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
14606 | goto out; | |
14607 | if (ft_event->ric_ies && | |
14608 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
14609 | ft_event->ric_ies)) | |
14610 | goto out; | |
355199e0 | 14611 | |
9c90a9f6 | 14612 | genlmsg_end(msg, hdr); |
355199e0 | 14613 | |
68eb5503 | 14614 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14615 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
14616 | return; |
14617 | out: | |
14618 | nlmsg_free(msg); | |
355199e0 JM |
14619 | } |
14620 | EXPORT_SYMBOL(cfg80211_ft_event); | |
14621 | ||
5de17984 AS |
14622 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
14623 | { | |
14624 | struct cfg80211_registered_device *rdev; | |
14625 | struct sk_buff *msg; | |
14626 | void *hdr; | |
14627 | u32 nlportid; | |
14628 | ||
f26cbf40 | 14629 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
14630 | if (!rdev->crit_proto_nlportid) |
14631 | return; | |
14632 | ||
14633 | nlportid = rdev->crit_proto_nlportid; | |
14634 | rdev->crit_proto_nlportid = 0; | |
14635 | ||
14636 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14637 | if (!msg) | |
14638 | return; | |
14639 | ||
14640 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
14641 | if (!hdr) | |
14642 | goto nla_put_failure; | |
14643 | ||
14644 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14645 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14646 | NL80211_ATTR_PAD)) | |
5de17984 AS |
14647 | goto nla_put_failure; |
14648 | ||
14649 | genlmsg_end(msg, hdr); | |
14650 | ||
14651 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
14652 | return; | |
14653 | ||
14654 | nla_put_failure: | |
14655 | if (hdr) | |
14656 | genlmsg_cancel(msg, hdr); | |
14657 | nlmsg_free(msg); | |
5de17984 AS |
14658 | } |
14659 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
14660 | ||
348baf0e JB |
14661 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
14662 | { | |
14663 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14664 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
14665 | struct sk_buff *msg; |
14666 | void *hdr; | |
14667 | ||
14668 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14669 | if (!msg) | |
14670 | return; | |
14671 | ||
14672 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
14673 | if (!hdr) | |
14674 | goto out; | |
14675 | ||
14676 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14677 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
2dad624e ND |
14678 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14679 | NL80211_ATTR_PAD)) | |
348baf0e JB |
14680 | goto out; |
14681 | ||
14682 | genlmsg_end(msg, hdr); | |
14683 | ||
14684 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
14685 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
14686 | return; | |
14687 | out: | |
14688 | nlmsg_free(msg); | |
14689 | } | |
14690 | ||
55682965 JB |
14691 | /* initialisation/exit functions */ |
14692 | ||
56989f6d | 14693 | int __init nl80211_init(void) |
55682965 | 14694 | { |
0d63cbb5 | 14695 | int err; |
55682965 | 14696 | |
489111e5 | 14697 | err = genl_register_family(&nl80211_fam); |
55682965 JB |
14698 | if (err) |
14699 | return err; | |
14700 | ||
026331c4 JM |
14701 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
14702 | if (err) | |
14703 | goto err_out; | |
14704 | ||
55682965 JB |
14705 | return 0; |
14706 | err_out: | |
14707 | genl_unregister_family(&nl80211_fam); | |
14708 | return err; | |
14709 | } | |
14710 | ||
14711 | void nl80211_exit(void) | |
14712 | { | |
026331c4 | 14713 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
14714 | genl_unregister_family(&nl80211_fam); |
14715 | } |