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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 |
66cd794e | 6 | * Copyright 2015-2017 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 }, |
9361df14 | 294 | [NL80211_ATTR_PMKID] = { .len = WLAN_PMKID_LEN }, |
9588bbd5 JM |
295 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
296 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 297 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
298 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
299 | .len = IEEE80211_MAX_DATA_LEN }, | |
300 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 301 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 302 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 303 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 304 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
305 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
306 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 307 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
308 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
309 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 310 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 311 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 312 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 313 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 314 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 315 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 316 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 317 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 318 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
319 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
320 | .len = IEEE80211_MAX_DATA_LEN }, | |
321 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
322 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 323 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 324 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 325 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
326 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
327 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
328 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
329 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
330 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 331 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 332 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
333 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
334 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 335 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
336 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
337 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
338 | .len = NL80211_HT_CAPABILITY_LEN | |
339 | }, | |
1d9d9213 | 340 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 341 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 342 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 343 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 344 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
11b6b5a4 | 345 | [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 346 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 347 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
348 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
349 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
8feb69c7 | 350 | [NL80211_ATTR_LOCAL_MESH_POWER_MODE] = {. type = NLA_U32 }, |
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 | 400 | [NL80211_ATTR_NAN_MASTER_PREF] = { .type = NLA_U8 }, |
8585989d | 401 | [NL80211_ATTR_BANDS] = { .type = NLA_U32 }, |
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 }, |
bf95ecdb | 408 | [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 }, |
409 | [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = { | |
410 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
411 | }, | |
3093ebbe | 412 | [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 }, |
a3caf744 VK |
413 | [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY, |
414 | .len = FILS_ERP_MAX_USERNAME_LEN }, | |
415 | [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY, | |
416 | .len = FILS_ERP_MAX_REALM_LEN }, | |
417 | [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 }, | |
418 | [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY, | |
419 | .len = FILS_ERP_MAX_RRK_LEN }, | |
420 | [NL80211_ATTR_FILS_CACHE_ID] = { .len = 2 }, | |
421 | [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN }, | |
ca986ad9 | 422 | [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG }, |
55682965 JB |
423 | }; |
424 | ||
e31b8213 | 425 | /* policy for the key attributes */ |
b54452b0 | 426 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 427 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
428 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
429 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 430 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
431 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
432 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 433 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
434 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
435 | }; | |
436 | ||
437 | /* policy for the key default flags */ | |
438 | static const struct nla_policy | |
439 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
440 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
441 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
442 | }; |
443 | ||
f83ace3b | 444 | #ifdef CONFIG_PM |
ff1b6e69 JB |
445 | /* policy for WoWLAN attributes */ |
446 | static const struct nla_policy | |
447 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
448 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
449 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
450 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
451 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
452 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
453 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
454 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
455 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 456 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 457 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
458 | }; |
459 | ||
460 | static const struct nla_policy | |
461 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
462 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
463 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
464 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
465 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
466 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
467 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
468 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
469 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
470 | }, | |
471 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
472 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
473 | }, | |
474 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
475 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
476 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 | 477 | }; |
f83ace3b | 478 | #endif /* CONFIG_PM */ |
ff1b6e69 | 479 | |
be29b99a AK |
480 | /* policy for coalesce rule attributes */ |
481 | static const struct nla_policy | |
482 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
483 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
484 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
485 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
486 | }; | |
487 | ||
e5497d76 JB |
488 | /* policy for GTK rekey offload attributes */ |
489 | static const struct nla_policy | |
490 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
491 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
492 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
493 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
494 | }; | |
495 | ||
a1f1c21c LC |
496 | static const struct nla_policy |
497 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 498 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 499 | .len = IEEE80211_MAX_SSID_LEN }, |
3007e352 | 500 | [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = { .len = ETH_ALEN }, |
88e920b4 | 501 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
502 | }; |
503 | ||
3b06d277 AS |
504 | static const struct nla_policy |
505 | nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = { | |
506 | [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 }, | |
507 | [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 }, | |
508 | }; | |
509 | ||
38de03d2 AS |
510 | static const struct nla_policy |
511 | nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = { | |
512 | [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG }, | |
513 | [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 }, | |
514 | [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = { | |
515 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
516 | }, | |
517 | }; | |
518 | ||
a442b761 AB |
519 | /* policy for NAN function attributes */ |
520 | static const struct nla_policy | |
521 | nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = { | |
522 | [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 }, | |
0a27844c | 523 | [NL80211_NAN_FUNC_SERVICE_ID] = { |
a442b761 AB |
524 | .len = NL80211_NAN_FUNC_SERVICE_ID_LEN }, |
525 | [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 }, | |
526 | [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG }, | |
527 | [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG }, | |
528 | [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 }, | |
529 | [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 }, | |
530 | [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN }, | |
531 | [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG }, | |
532 | [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 }, | |
533 | [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY, | |
534 | .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN }, | |
535 | [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED }, | |
536 | [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
537 | [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
538 | [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 }, | |
539 | [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 }, | |
540 | }; | |
541 | ||
542 | /* policy for Service Response Filter attributes */ | |
543 | static const struct nla_policy | |
544 | nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = { | |
545 | [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG }, | |
546 | [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY, | |
547 | .len = NL80211_NAN_FUNC_SRF_MAX_LEN }, | |
548 | [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 }, | |
549 | [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED }, | |
550 | }; | |
551 | ||
97990a06 JB |
552 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
553 | struct netlink_callback *cb, | |
554 | struct cfg80211_registered_device **rdev, | |
555 | struct wireless_dev **wdev) | |
a043897a | 556 | { |
97990a06 | 557 | int err; |
a043897a | 558 | |
97990a06 JB |
559 | if (!cb->args[0]) { |
560 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
c90c39da | 561 | genl_family_attrbuf(&nl80211_fam), |
fceb6435 | 562 | nl80211_fam.maxattr, nl80211_policy, NULL); |
97990a06 | 563 | if (err) |
ea90e0dc | 564 | return err; |
67748893 | 565 | |
c90c39da JB |
566 | *wdev = __cfg80211_wdev_from_attrs( |
567 | sock_net(skb->sk), | |
568 | genl_family_attrbuf(&nl80211_fam)); | |
ea90e0dc JB |
569 | if (IS_ERR(*wdev)) |
570 | return PTR_ERR(*wdev); | |
f26cbf40 | 571 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
572 | /* 0 is the first index - add 1 to parse only once */ |
573 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
574 | cb->args[1] = (*wdev)->identifier; |
575 | } else { | |
c319d50b JB |
576 | /* subtract the 1 again here */ |
577 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 578 | struct wireless_dev *tmp; |
67748893 | 579 | |
ea90e0dc JB |
580 | if (!wiphy) |
581 | return -ENODEV; | |
f26cbf40 | 582 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 583 | *wdev = NULL; |
67748893 | 584 | |
53873f13 | 585 | list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) { |
97990a06 JB |
586 | if (tmp->identifier == cb->args[1]) { |
587 | *wdev = tmp; | |
588 | break; | |
589 | } | |
590 | } | |
67748893 | 591 | |
ea90e0dc JB |
592 | if (!*wdev) |
593 | return -ENODEV; | |
67748893 JB |
594 | } |
595 | ||
67748893 | 596 | return 0; |
67748893 JB |
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, | |
fceb6435 | 733 | nl80211_key_policy, NULL); |
b9454e83 JB |
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], | |
fceb6435 | 774 | nl80211_key_default_policy, NULL); |
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]; | |
fceb6435 JB |
821 | int err = nla_parse_nested(kdt, |
822 | NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
823 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
fe52145f JB |
824 | nl80211_key_default_policy, |
825 | info->extack); | |
dbd2fd65 JB |
826 | if (err) |
827 | return err; | |
828 | ||
829 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
830 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
831 | } | |
832 | ||
b9454e83 JB |
833 | return 0; |
834 | } | |
835 | ||
836 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
837 | { | |
838 | int err; | |
839 | ||
840 | memset(k, 0, sizeof(*k)); | |
841 | k->idx = -1; | |
e31b8213 | 842 | k->type = -1; |
b9454e83 JB |
843 | |
844 | if (info->attrs[NL80211_ATTR_KEY]) | |
845 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
846 | else | |
847 | err = nl80211_parse_key_old(info, k); | |
848 | ||
849 | if (err) | |
850 | return err; | |
851 | ||
852 | if (k->def && k->defmgmt) | |
853 | return -EINVAL; | |
854 | ||
dbd2fd65 JB |
855 | if (k->defmgmt) { |
856 | if (k->def_uni || !k->def_multi) | |
857 | return -EINVAL; | |
858 | } | |
859 | ||
b9454e83 JB |
860 | if (k->idx != -1) { |
861 | if (k->defmgmt) { | |
862 | if (k->idx < 4 || k->idx > 5) | |
863 | return -EINVAL; | |
864 | } else if (k->def) { | |
865 | if (k->idx < 0 || k->idx > 3) | |
866 | return -EINVAL; | |
867 | } else { | |
868 | if (k->idx < 0 || k->idx > 5) | |
869 | return -EINVAL; | |
870 | } | |
871 | } | |
872 | ||
873 | return 0; | |
874 | } | |
875 | ||
fffd0934 JB |
876 | static struct cfg80211_cached_keys * |
877 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 878 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
879 | { |
880 | struct key_parse parse; | |
881 | struct nlattr *key; | |
882 | struct cfg80211_cached_keys *result; | |
883 | int rem, err, def = 0; | |
f1c1f17a JB |
884 | bool have_key = false; |
885 | ||
886 | nla_for_each_nested(key, keys, rem) { | |
887 | have_key = true; | |
888 | break; | |
889 | } | |
890 | ||
891 | if (!have_key) | |
892 | return NULL; | |
fffd0934 JB |
893 | |
894 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
895 | if (!result) | |
896 | return ERR_PTR(-ENOMEM); | |
897 | ||
898 | result->def = -1; | |
fffd0934 JB |
899 | |
900 | nla_for_each_nested(key, keys, rem) { | |
901 | memset(&parse, 0, sizeof(parse)); | |
902 | parse.idx = -1; | |
903 | ||
904 | err = nl80211_parse_key_new(key, &parse); | |
905 | if (err) | |
906 | goto error; | |
907 | err = -EINVAL; | |
908 | if (!parse.p.key) | |
909 | goto error; | |
42ee231c | 910 | if (parse.idx < 0 || parse.idx > 3) |
fffd0934 JB |
911 | goto error; |
912 | if (parse.def) { | |
913 | if (def) | |
914 | goto error; | |
915 | def = 1; | |
916 | result->def = parse.idx; | |
dbd2fd65 JB |
917 | if (!parse.def_uni || !parse.def_multi) |
918 | goto error; | |
fffd0934 JB |
919 | } else if (parse.defmgmt) |
920 | goto error; | |
921 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 922 | parse.idx, false, NULL); |
fffd0934 JB |
923 | if (err) |
924 | goto error; | |
386b1f27 JB |
925 | if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 && |
926 | parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) { | |
927 | err = -EINVAL; | |
928 | goto error; | |
929 | } | |
fffd0934 JB |
930 | result->params[parse.idx].cipher = parse.p.cipher; |
931 | result->params[parse.idx].key_len = parse.p.key_len; | |
932 | result->params[parse.idx].key = result->data[parse.idx]; | |
933 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee | 934 | |
386b1f27 JB |
935 | /* must be WEP key if we got here */ |
936 | if (no_ht) | |
937 | *no_ht = true; | |
fffd0934 JB |
938 | } |
939 | ||
f1c1f17a JB |
940 | if (result->def < 0) { |
941 | err = -EINVAL; | |
942 | goto error; | |
943 | } | |
944 | ||
fffd0934 JB |
945 | return result; |
946 | error: | |
947 | kfree(result); | |
948 | return ERR_PTR(err); | |
949 | } | |
950 | ||
951 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
952 | { | |
953 | ASSERT_WDEV_LOCK(wdev); | |
954 | ||
fffd0934 JB |
955 | switch (wdev->iftype) { |
956 | case NL80211_IFTYPE_AP: | |
957 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 958 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 959 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
960 | break; |
961 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 962 | case NL80211_IFTYPE_STATION: |
074ac8df | 963 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 964 | if (!wdev->current_bss) |
fffd0934 JB |
965 | return -ENOLINK; |
966 | break; | |
de4fcbad | 967 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 968 | case NL80211_IFTYPE_OCB: |
de4fcbad | 969 | case NL80211_IFTYPE_MONITOR: |
cb3b7d87 | 970 | case NL80211_IFTYPE_NAN: |
de4fcbad JB |
971 | case NL80211_IFTYPE_P2P_DEVICE: |
972 | case NL80211_IFTYPE_WDS: | |
973 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
974 | return -EINVAL; |
975 | } | |
976 | ||
977 | return 0; | |
978 | } | |
979 | ||
664834de JM |
980 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
981 | struct nlattr *tb) | |
982 | { | |
983 | struct ieee80211_channel *chan; | |
984 | ||
985 | if (tb == NULL) | |
986 | return NULL; | |
987 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
988 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
989 | return NULL; | |
990 | return chan; | |
991 | } | |
992 | ||
7527a782 JB |
993 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
994 | { | |
995 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
996 | int i; | |
997 | ||
998 | if (!nl_modes) | |
999 | goto nla_put_failure; | |
1000 | ||
1001 | i = 0; | |
1002 | while (ifmodes) { | |
9360ffd1 DM |
1003 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
1004 | goto nla_put_failure; | |
7527a782 JB |
1005 | ifmodes >>= 1; |
1006 | i++; | |
1007 | } | |
1008 | ||
1009 | nla_nest_end(msg, nl_modes); | |
1010 | return 0; | |
1011 | ||
1012 | nla_put_failure: | |
1013 | return -ENOBUFS; | |
1014 | } | |
1015 | ||
1016 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
1017 | struct sk_buff *msg, |
1018 | bool large) | |
7527a782 JB |
1019 | { |
1020 | struct nlattr *nl_combis; | |
1021 | int i, j; | |
1022 | ||
1023 | nl_combis = nla_nest_start(msg, | |
1024 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
1025 | if (!nl_combis) | |
1026 | goto nla_put_failure; | |
1027 | ||
1028 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
1029 | const struct ieee80211_iface_combination *c; | |
1030 | struct nlattr *nl_combi, *nl_limits; | |
1031 | ||
1032 | c = &wiphy->iface_combinations[i]; | |
1033 | ||
1034 | nl_combi = nla_nest_start(msg, i + 1); | |
1035 | if (!nl_combi) | |
1036 | goto nla_put_failure; | |
1037 | ||
1038 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
1039 | if (!nl_limits) | |
1040 | goto nla_put_failure; | |
1041 | ||
1042 | for (j = 0; j < c->n_limits; j++) { | |
1043 | struct nlattr *nl_limit; | |
1044 | ||
1045 | nl_limit = nla_nest_start(msg, j + 1); | |
1046 | if (!nl_limit) | |
1047 | goto nla_put_failure; | |
9360ffd1 DM |
1048 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
1049 | c->limits[j].max)) | |
1050 | goto nla_put_failure; | |
7527a782 JB |
1051 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
1052 | c->limits[j].types)) | |
1053 | goto nla_put_failure; | |
1054 | nla_nest_end(msg, nl_limit); | |
1055 | } | |
1056 | ||
1057 | nla_nest_end(msg, nl_limits); | |
1058 | ||
9360ffd1 DM |
1059 | if (c->beacon_int_infra_match && |
1060 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
1061 | goto nla_put_failure; | |
1062 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
1063 | c->num_different_channels) || | |
1064 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
1065 | c->max_interfaces)) | |
1066 | goto nla_put_failure; | |
cdc89b97 | 1067 | if (large && |
8c48b50a FF |
1068 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
1069 | c->radar_detect_widths) || | |
1070 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
1071 | c->radar_detect_regions))) | |
cdc89b97 | 1072 | goto nla_put_failure; |
0c317a02 PK |
1073 | if (c->beacon_int_min_gcd && |
1074 | nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD, | |
1075 | c->beacon_int_min_gcd)) | |
1076 | goto nla_put_failure; | |
7527a782 JB |
1077 | |
1078 | nla_nest_end(msg, nl_combi); | |
1079 | } | |
1080 | ||
1081 | nla_nest_end(msg, nl_combis); | |
1082 | ||
1083 | return 0; | |
1084 | nla_put_failure: | |
1085 | return -ENOBUFS; | |
1086 | } | |
1087 | ||
3713b4e3 | 1088 | #ifdef CONFIG_PM |
b56cf720 JB |
1089 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1090 | struct sk_buff *msg) | |
1091 | { | |
964dc9e2 | 1092 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1093 | struct nlattr *nl_tcp; |
1094 | ||
1095 | if (!tcp) | |
1096 | return 0; | |
1097 | ||
1098 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1099 | if (!nl_tcp) | |
1100 | return -ENOBUFS; | |
1101 | ||
1102 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1103 | tcp->data_payload_max)) | |
1104 | return -ENOBUFS; | |
1105 | ||
1106 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1107 | tcp->data_payload_max)) | |
1108 | return -ENOBUFS; | |
1109 | ||
1110 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1111 | return -ENOBUFS; | |
1112 | ||
1113 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1114 | sizeof(*tcp->tok), tcp->tok)) | |
1115 | return -ENOBUFS; | |
1116 | ||
1117 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1118 | tcp->data_interval_max)) | |
1119 | return -ENOBUFS; | |
1120 | ||
1121 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1122 | tcp->wake_payload_max)) | |
1123 | return -ENOBUFS; | |
1124 | ||
1125 | nla_nest_end(msg, nl_tcp); | |
1126 | return 0; | |
1127 | } | |
1128 | ||
3713b4e3 | 1129 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1130 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1131 | bool large) |
55682965 | 1132 | { |
3713b4e3 | 1133 | struct nlattr *nl_wowlan; |
55682965 | 1134 | |
1b8ec87a | 1135 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1136 | return 0; |
55682965 | 1137 | |
3713b4e3 JB |
1138 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1139 | if (!nl_wowlan) | |
1140 | return -ENOBUFS; | |
9360ffd1 | 1141 | |
1b8ec87a | 1142 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1143 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1144 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1145 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1146 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1147 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1148 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1149 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1150 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1151 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1152 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1153 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1154 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1155 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1156 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1157 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1158 | return -ENOBUFS; | |
9360ffd1 | 1159 | |
1b8ec87a | 1160 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1161 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1162 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1163 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1164 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1165 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1166 | }; |
9360ffd1 | 1167 | |
3713b4e3 JB |
1168 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1169 | sizeof(pat), &pat)) | |
1170 | return -ENOBUFS; | |
1171 | } | |
9360ffd1 | 1172 | |
75453ccb LC |
1173 | if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) && |
1174 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT, | |
1175 | rdev->wiphy.wowlan->max_nd_match_sets)) | |
1176 | return -ENOBUFS; | |
1177 | ||
1b8ec87a | 1178 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1179 | return -ENOBUFS; |
1180 | ||
3713b4e3 | 1181 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1182 | |
3713b4e3 JB |
1183 | return 0; |
1184 | } | |
1185 | #endif | |
9360ffd1 | 1186 | |
be29b99a | 1187 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1188 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1189 | { |
1190 | struct nl80211_coalesce_rule_support rule; | |
1191 | ||
1b8ec87a | 1192 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1193 | return 0; |
1194 | ||
1b8ec87a ZG |
1195 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1196 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1197 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1198 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1199 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1200 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1201 | |
1202 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1203 | return -ENOBUFS; | |
1204 | ||
1205 | return 0; | |
1206 | } | |
1207 | ||
3713b4e3 JB |
1208 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1209 | struct ieee80211_supported_band *sband) | |
1210 | { | |
1211 | struct nlattr *nl_rates, *nl_rate; | |
1212 | struct ieee80211_rate *rate; | |
1213 | int i; | |
87bbbe22 | 1214 | |
3713b4e3 JB |
1215 | /* add HT info */ |
1216 | if (sband->ht_cap.ht_supported && | |
1217 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1218 | sizeof(sband->ht_cap.mcs), | |
1219 | &sband->ht_cap.mcs) || | |
1220 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1221 | sband->ht_cap.cap) || | |
1222 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1223 | sband->ht_cap.ampdu_factor) || | |
1224 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1225 | sband->ht_cap.ampdu_density))) | |
1226 | return -ENOBUFS; | |
afe0cbf8 | 1227 | |
3713b4e3 JB |
1228 | /* add VHT info */ |
1229 | if (sband->vht_cap.vht_supported && | |
1230 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1231 | sizeof(sband->vht_cap.vht_mcs), | |
1232 | &sband->vht_cap.vht_mcs) || | |
1233 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1234 | sband->vht_cap.cap))) | |
1235 | return -ENOBUFS; | |
f59ac048 | 1236 | |
3713b4e3 JB |
1237 | /* add bitrates */ |
1238 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1239 | if (!nl_rates) | |
1240 | return -ENOBUFS; | |
ee688b00 | 1241 | |
3713b4e3 JB |
1242 | for (i = 0; i < sband->n_bitrates; i++) { |
1243 | nl_rate = nla_nest_start(msg, i); | |
1244 | if (!nl_rate) | |
1245 | return -ENOBUFS; | |
ee688b00 | 1246 | |
3713b4e3 JB |
1247 | rate = &sband->bitrates[i]; |
1248 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1249 | rate->bitrate)) | |
1250 | return -ENOBUFS; | |
1251 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1252 | nla_put_flag(msg, | |
1253 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1254 | return -ENOBUFS; | |
ee688b00 | 1255 | |
3713b4e3 JB |
1256 | nla_nest_end(msg, nl_rate); |
1257 | } | |
d51626df | 1258 | |
3713b4e3 | 1259 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1260 | |
3713b4e3 JB |
1261 | return 0; |
1262 | } | |
ee688b00 | 1263 | |
3713b4e3 JB |
1264 | static int |
1265 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1266 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1267 | { | |
1268 | u16 stypes; | |
1269 | struct nlattr *nl_ftypes, *nl_ifs; | |
1270 | enum nl80211_iftype ift; | |
1271 | int i; | |
ee688b00 | 1272 | |
3713b4e3 JB |
1273 | if (!mgmt_stypes) |
1274 | return 0; | |
5dab3b8a | 1275 | |
3713b4e3 JB |
1276 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1277 | if (!nl_ifs) | |
1278 | return -ENOBUFS; | |
e2f367f2 | 1279 | |
3713b4e3 JB |
1280 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1281 | nl_ftypes = nla_nest_start(msg, ift); | |
1282 | if (!nl_ftypes) | |
1283 | return -ENOBUFS; | |
1284 | i = 0; | |
1285 | stypes = mgmt_stypes[ift].tx; | |
1286 | while (stypes) { | |
1287 | if ((stypes & 1) && | |
1288 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1289 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1290 | return -ENOBUFS; | |
1291 | stypes >>= 1; | |
1292 | i++; | |
ee688b00 | 1293 | } |
3713b4e3 JB |
1294 | nla_nest_end(msg, nl_ftypes); |
1295 | } | |
ee688b00 | 1296 | |
3713b4e3 | 1297 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1298 | |
3713b4e3 JB |
1299 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1300 | if (!nl_ifs) | |
1301 | return -ENOBUFS; | |
ee688b00 | 1302 | |
3713b4e3 JB |
1303 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1304 | nl_ftypes = nla_nest_start(msg, ift); | |
1305 | if (!nl_ftypes) | |
1306 | return -ENOBUFS; | |
1307 | i = 0; | |
1308 | stypes = mgmt_stypes[ift].rx; | |
1309 | while (stypes) { | |
1310 | if ((stypes & 1) && | |
1311 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1312 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1313 | return -ENOBUFS; | |
1314 | stypes >>= 1; | |
1315 | i++; | |
1316 | } | |
1317 | nla_nest_end(msg, nl_ftypes); | |
1318 | } | |
1319 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1320 | |
3713b4e3 JB |
1321 | return 0; |
1322 | } | |
ee688b00 | 1323 | |
1794899e JB |
1324 | #define CMD(op, n) \ |
1325 | do { \ | |
1326 | if (rdev->ops->op) { \ | |
1327 | i++; \ | |
1328 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1329 | goto nla_put_failure; \ | |
1330 | } \ | |
1331 | } while (0) | |
1332 | ||
1333 | static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev, | |
1334 | struct sk_buff *msg) | |
1335 | { | |
1336 | int i = 0; | |
1337 | ||
1338 | /* | |
1339 | * do *NOT* add anything into this function, new things need to be | |
1340 | * advertised only to new versions of userspace that can deal with | |
1341 | * the split (and they can't possibly care about new features... | |
1342 | */ | |
1343 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1344 | CMD(change_virtual_intf, SET_INTERFACE); | |
1345 | CMD(add_key, NEW_KEY); | |
1346 | CMD(start_ap, START_AP); | |
1347 | CMD(add_station, NEW_STATION); | |
1348 | CMD(add_mpath, NEW_MPATH); | |
1349 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1350 | CMD(change_bss, SET_BSS); | |
1351 | CMD(auth, AUTHENTICATE); | |
1352 | CMD(assoc, ASSOCIATE); | |
1353 | CMD(deauth, DEAUTHENTICATE); | |
1354 | CMD(disassoc, DISASSOCIATE); | |
1355 | CMD(join_ibss, JOIN_IBSS); | |
1356 | CMD(join_mesh, JOIN_MESH); | |
1357 | CMD(set_pmksa, SET_PMKSA); | |
1358 | CMD(del_pmksa, DEL_PMKSA); | |
1359 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1360 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1361 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1362 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1363 | CMD(mgmt_tx, FRAME); | |
1364 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1365 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1366 | i++; | |
1367 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
1368 | goto nla_put_failure; | |
1369 | } | |
1370 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || | |
1371 | rdev->ops->join_mesh) { | |
1372 | i++; | |
1373 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1374 | goto nla_put_failure; | |
1375 | } | |
1376 | CMD(set_wds_peer, SET_WDS_PEER); | |
1377 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1378 | CMD(tdls_mgmt, TDLS_MGMT); | |
1379 | CMD(tdls_oper, TDLS_OPER); | |
1380 | } | |
ca986ad9 | 1381 | if (rdev->wiphy.max_sched_scan_reqs) |
1794899e JB |
1382 | CMD(sched_scan_start, START_SCHED_SCAN); |
1383 | CMD(probe_client, PROBE_CLIENT); | |
1384 | CMD(set_noack_map, SET_NOACK_MAP); | |
1385 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1386 | i++; | |
1387 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1388 | goto nla_put_failure; | |
1389 | } | |
1390 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1391 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
1392 | #ifdef CONFIG_NL80211_TESTMODE | |
1393 | CMD(testmode_cmd, TESTMODE); | |
1394 | #endif | |
1395 | ||
1396 | if (rdev->ops->connect || rdev->ops->auth) { | |
1397 | i++; | |
1398 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
1399 | goto nla_put_failure; | |
1400 | } | |
1401 | ||
1402 | if (rdev->ops->disconnect || rdev->ops->deauth) { | |
1403 | i++; | |
1404 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1405 | goto nla_put_failure; | |
1406 | } | |
1407 | ||
1408 | return i; | |
1409 | nla_put_failure: | |
1410 | return -ENOBUFS; | |
1411 | } | |
1412 | ||
86e8cf98 JB |
1413 | struct nl80211_dump_wiphy_state { |
1414 | s64 filter_wiphy; | |
1415 | long start; | |
019ae3a9 | 1416 | long split_start, band_start, chan_start, capa_start; |
86e8cf98 JB |
1417 | bool split; |
1418 | }; | |
1419 | ||
1b8ec87a | 1420 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1421 | enum nl80211_commands cmd, |
3713b4e3 | 1422 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1423 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1424 | { |
1425 | void *hdr; | |
1426 | struct nlattr *nl_bands, *nl_band; | |
1427 | struct nlattr *nl_freqs, *nl_freq; | |
1428 | struct nlattr *nl_cmds; | |
57fbcce3 | 1429 | enum nl80211_band band; |
3713b4e3 JB |
1430 | struct ieee80211_channel *chan; |
1431 | int i; | |
1432 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1433 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1434 | u32 features; |
ee688b00 | 1435 | |
3bb20556 | 1436 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1437 | if (!hdr) |
1438 | return -ENOBUFS; | |
ee688b00 | 1439 | |
86e8cf98 JB |
1440 | if (WARN_ON(!state)) |
1441 | return -EINVAL; | |
ee688b00 | 1442 | |
1b8ec87a | 1443 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1444 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1445 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1446 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1447 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1448 | goto nla_put_failure; |
1449 | ||
3bb20556 JB |
1450 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1451 | goto finish; | |
1452 | ||
86e8cf98 | 1453 | switch (state->split_start) { |
3713b4e3 JB |
1454 | case 0: |
1455 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1456 | rdev->wiphy.retry_short) || |
3713b4e3 | 1457 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1458 | rdev->wiphy.retry_long) || |
3713b4e3 | 1459 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1460 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1461 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1462 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1463 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1464 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1465 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1466 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1467 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1468 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1469 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1470 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1471 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1472 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1473 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
3b06d277 AS |
1474 | rdev->wiphy.max_match_sets) || |
1475 | nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS, | |
1476 | rdev->wiphy.max_sched_scan_plans) || | |
1477 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL, | |
1478 | rdev->wiphy.max_sched_scan_plan_interval) || | |
1479 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS, | |
1480 | rdev->wiphy.max_sched_scan_plan_iterations)) | |
9360ffd1 | 1481 | goto nla_put_failure; |
3713b4e3 | 1482 | |
1b8ec87a | 1483 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1484 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1485 | goto nla_put_failure; |
1b8ec87a | 1486 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1487 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1488 | goto nla_put_failure; | |
1b8ec87a | 1489 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1490 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1491 | goto nla_put_failure; | |
1b8ec87a | 1492 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1493 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1494 | goto nla_put_failure; | |
1b8ec87a | 1495 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1496 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1497 | goto nla_put_failure; | |
1b8ec87a | 1498 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1499 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1500 | goto nla_put_failure; |
86e8cf98 JB |
1501 | state->split_start++; |
1502 | if (state->split) | |
3713b4e3 JB |
1503 | break; |
1504 | case 1: | |
1505 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1506 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1507 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1508 | goto nla_put_failure; |
4745fc09 | 1509 | |
3713b4e3 | 1510 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1511 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1512 | goto nla_put_failure; |
b23aa676 | 1513 | |
1b8ec87a | 1514 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1515 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1516 | goto nla_put_failure; |
b23aa676 | 1517 | |
3713b4e3 | 1518 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1519 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1520 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1521 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1522 | goto nla_put_failure; |
b23aa676 | 1523 | |
1b8ec87a | 1524 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1525 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1526 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1527 | goto nla_put_failure; |
8fdc621d | 1528 | |
1b8ec87a ZG |
1529 | if ((rdev->wiphy.available_antennas_tx || |
1530 | rdev->wiphy.available_antennas_rx) && | |
1531 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1532 | u32 tx_ant = 0, rx_ant = 0; |
1533 | int res; | |
7a087e74 | 1534 | |
1b8ec87a | 1535 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1536 | if (!res) { |
1537 | if (nla_put_u32(msg, | |
1538 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1539 | tx_ant) || | |
1540 | nla_put_u32(msg, | |
1541 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1542 | rx_ant)) | |
1543 | goto nla_put_failure; | |
1544 | } | |
1545 | } | |
a293911d | 1546 | |
86e8cf98 JB |
1547 | state->split_start++; |
1548 | if (state->split) | |
3713b4e3 JB |
1549 | break; |
1550 | case 2: | |
1551 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1552 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1553 | goto nla_put_failure; |
86e8cf98 JB |
1554 | state->split_start++; |
1555 | if (state->split) | |
3713b4e3 JB |
1556 | break; |
1557 | case 3: | |
1558 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1559 | if (!nl_bands) | |
1560 | goto nla_put_failure; | |
f7ca38df | 1561 | |
86e8cf98 | 1562 | for (band = state->band_start; |
57fbcce3 | 1563 | band < NUM_NL80211_BANDS; band++) { |
3713b4e3 | 1564 | struct ieee80211_supported_band *sband; |
2e161f78 | 1565 | |
1b8ec87a | 1566 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1567 | |
3713b4e3 JB |
1568 | if (!sband) |
1569 | continue; | |
1570 | ||
1571 | nl_band = nla_nest_start(msg, band); | |
1572 | if (!nl_band) | |
2e161f78 | 1573 | goto nla_put_failure; |
3713b4e3 | 1574 | |
86e8cf98 | 1575 | switch (state->chan_start) { |
3713b4e3 JB |
1576 | case 0: |
1577 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1578 | goto nla_put_failure; |
86e8cf98 JB |
1579 | state->chan_start++; |
1580 | if (state->split) | |
3713b4e3 JB |
1581 | break; |
1582 | default: | |
1583 | /* add frequencies */ | |
1584 | nl_freqs = nla_nest_start( | |
1585 | msg, NL80211_BAND_ATTR_FREQS); | |
1586 | if (!nl_freqs) | |
1587 | goto nla_put_failure; | |
1588 | ||
86e8cf98 | 1589 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1590 | i < sband->n_channels; |
1591 | i++) { | |
1592 | nl_freq = nla_nest_start(msg, i); | |
1593 | if (!nl_freq) | |
1594 | goto nla_put_failure; | |
1595 | ||
1596 | chan = &sband->channels[i]; | |
1597 | ||
86e8cf98 JB |
1598 | if (nl80211_msg_put_channel( |
1599 | msg, chan, | |
1600 | state->split)) | |
3713b4e3 JB |
1601 | goto nla_put_failure; |
1602 | ||
1603 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1604 | if (state->split) |
3713b4e3 JB |
1605 | break; |
1606 | } | |
1607 | if (i < sband->n_channels) | |
86e8cf98 | 1608 | state->chan_start = i + 2; |
3713b4e3 | 1609 | else |
86e8cf98 | 1610 | state->chan_start = 0; |
3713b4e3 JB |
1611 | nla_nest_end(msg, nl_freqs); |
1612 | } | |
1613 | ||
1614 | nla_nest_end(msg, nl_band); | |
1615 | ||
86e8cf98 | 1616 | if (state->split) { |
3713b4e3 | 1617 | /* start again here */ |
86e8cf98 | 1618 | if (state->chan_start) |
3713b4e3 JB |
1619 | band--; |
1620 | break; | |
2e161f78 | 1621 | } |
2e161f78 | 1622 | } |
3713b4e3 | 1623 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1624 | |
57fbcce3 | 1625 | if (band < NUM_NL80211_BANDS) |
86e8cf98 | 1626 | state->band_start = band + 1; |
3713b4e3 | 1627 | else |
86e8cf98 | 1628 | state->band_start = 0; |
74b70a4e | 1629 | |
3713b4e3 | 1630 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1631 | if (state->band_start == 0 && state->chan_start == 0) |
1632 | state->split_start++; | |
1633 | if (state->split) | |
3713b4e3 JB |
1634 | break; |
1635 | case 4: | |
1636 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1637 | if (!nl_cmds) | |
2e161f78 JB |
1638 | goto nla_put_failure; |
1639 | ||
1794899e JB |
1640 | i = nl80211_add_commands_unsplit(rdev, msg); |
1641 | if (i < 0) | |
1642 | goto nla_put_failure; | |
86e8cf98 | 1643 | if (state->split) { |
5de17984 AS |
1644 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1645 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1646 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1647 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1648 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
1649 | if (rdev->wiphy.features & |
1650 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 1651 | CMD(add_tx_ts, ADD_TX_TS); |
ce0ce13a | 1652 | CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST); |
088e8df8 | 1653 | CMD(update_connect_params, UPDATE_CONNECT_PARAMS); |
5de17984 | 1654 | } |
3713b4e3 | 1655 | #undef CMD |
ff1b6e69 | 1656 | |
3713b4e3 | 1657 | nla_nest_end(msg, nl_cmds); |
86e8cf98 JB |
1658 | state->split_start++; |
1659 | if (state->split) | |
3713b4e3 JB |
1660 | break; |
1661 | case 5: | |
1b8ec87a ZG |
1662 | if (rdev->ops->remain_on_channel && |
1663 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1664 | nla_put_u32(msg, |
1665 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1666 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1667 | goto nla_put_failure; |
1668 | ||
1b8ec87a | 1669 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1670 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1671 | goto nla_put_failure; | |
1672 | ||
1673 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1674 | goto nla_put_failure; | |
86e8cf98 JB |
1675 | state->split_start++; |
1676 | if (state->split) | |
3713b4e3 JB |
1677 | break; |
1678 | case 6: | |
1679 | #ifdef CONFIG_PM | |
1b8ec87a | 1680 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1681 | goto nla_put_failure; |
86e8cf98 JB |
1682 | state->split_start++; |
1683 | if (state->split) | |
3713b4e3 JB |
1684 | break; |
1685 | #else | |
86e8cf98 | 1686 | state->split_start++; |
dfb89c56 | 1687 | #endif |
3713b4e3 JB |
1688 | case 7: |
1689 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1690 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1691 | goto nla_put_failure; |
ff1b6e69 | 1692 | |
1b8ec87a | 1693 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1694 | state->split)) |
3713b4e3 | 1695 | goto nla_put_failure; |
7527a782 | 1696 | |
86e8cf98 JB |
1697 | state->split_start++; |
1698 | if (state->split) | |
3713b4e3 JB |
1699 | break; |
1700 | case 8: | |
1b8ec87a | 1701 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1702 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1703 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1704 | goto nla_put_failure; |
7527a782 | 1705 | |
1b8ec87a | 1706 | features = rdev->wiphy.features; |
fe1abafd JB |
1707 | /* |
1708 | * We can only add the per-channel limit information if the | |
1709 | * dump is split, otherwise it makes it too big. Therefore | |
1710 | * only advertise it in that case. | |
1711 | */ | |
86e8cf98 | 1712 | if (state->split) |
fe1abafd JB |
1713 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1714 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1715 | goto nla_put_failure; |
562a7480 | 1716 | |
1b8ec87a | 1717 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1718 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1719 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1720 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1721 | goto nla_put_failure; |
1f074bd8 | 1722 | |
1b8ec87a ZG |
1723 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1724 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1725 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1726 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1727 | goto nla_put_failure; |
7e7c8926 | 1728 | |
3713b4e3 JB |
1729 | /* |
1730 | * Any information below this point is only available to | |
1731 | * applications that can deal with it being split. This | |
1732 | * helps ensure that newly added capabilities don't break | |
1733 | * older tools by overrunning their buffers. | |
1734 | * | |
1735 | * We still increment split_start so that in the split | |
1736 | * case we'll continue with more data in the next round, | |
1737 | * but break unconditionally so unsplit data stops here. | |
1738 | */ | |
86e8cf98 | 1739 | state->split_start++; |
3713b4e3 JB |
1740 | break; |
1741 | case 9: | |
1b8ec87a | 1742 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1743 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1744 | rdev->wiphy.extended_capabilities_len, |
1745 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1746 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1747 | rdev->wiphy.extended_capabilities_len, |
1748 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1749 | goto nla_put_failure; |
a50df0c4 | 1750 | |
1b8ec87a | 1751 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1752 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1753 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1754 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1755 | goto nla_put_failure; |
1756 | ||
be29b99a AK |
1757 | state->split_start++; |
1758 | break; | |
1759 | case 10: | |
1b8ec87a | 1760 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1761 | goto nla_put_failure; |
1762 | ||
1b8ec87a | 1763 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1764 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1765 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1766 | goto nla_put_failure; | |
b43504cf | 1767 | |
1b8ec87a | 1768 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1769 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1770 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1771 | goto nla_put_failure; |
1772 | ||
ad7e718c JB |
1773 | state->split_start++; |
1774 | break; | |
1775 | case 11: | |
1b8ec87a | 1776 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1777 | const struct nl80211_vendor_cmd_info *info; |
1778 | struct nlattr *nested; | |
1779 | ||
1780 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1781 | if (!nested) | |
1782 | goto nla_put_failure; | |
1783 | ||
1b8ec87a ZG |
1784 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1785 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1786 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1787 | goto nla_put_failure; | |
1788 | } | |
1789 | nla_nest_end(msg, nested); | |
1790 | } | |
1791 | ||
1b8ec87a | 1792 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1793 | const struct nl80211_vendor_cmd_info *info; |
1794 | struct nlattr *nested; | |
ad7e718c | 1795 | |
567ffc35 JB |
1796 | nested = nla_nest_start(msg, |
1797 | NL80211_ATTR_VENDOR_EVENTS); | |
1798 | if (!nested) | |
ad7e718c | 1799 | goto nla_put_failure; |
567ffc35 | 1800 | |
1b8ec87a ZG |
1801 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1802 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1803 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1804 | goto nla_put_failure; | |
1805 | } | |
1806 | nla_nest_end(msg, nested); | |
1807 | } | |
9a774c78 AO |
1808 | state->split_start++; |
1809 | break; | |
1810 | case 12: | |
1811 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1812 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1813 | rdev->wiphy.max_num_csa_counters)) | |
1814 | goto nla_put_failure; | |
01e0daa4 | 1815 | |
1bdd716c AN |
1816 | if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
1817 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
1818 | goto nla_put_failure; | |
1819 | ||
ca986ad9 AVS |
1820 | if (rdev->wiphy.max_sched_scan_reqs && |
1821 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS, | |
1822 | rdev->wiphy.max_sched_scan_reqs)) | |
1823 | goto nla_put_failure; | |
1824 | ||
d75bb06b GKS |
1825 | if (nla_put(msg, NL80211_ATTR_EXT_FEATURES, |
1826 | sizeof(rdev->wiphy.ext_features), | |
1827 | rdev->wiphy.ext_features)) | |
1828 | goto nla_put_failure; | |
1829 | ||
38de03d2 AS |
1830 | if (rdev->wiphy.bss_select_support) { |
1831 | struct nlattr *nested; | |
1832 | u32 bss_select_support = rdev->wiphy.bss_select_support; | |
1833 | ||
1834 | nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT); | |
1835 | if (!nested) | |
1836 | goto nla_put_failure; | |
1837 | ||
1838 | i = 0; | |
1839 | while (bss_select_support) { | |
1840 | if ((bss_select_support & 1) && | |
1841 | nla_put_flag(msg, i)) | |
1842 | goto nla_put_failure; | |
1843 | i++; | |
1844 | bss_select_support >>= 1; | |
1845 | } | |
1846 | nla_nest_end(msg, nested); | |
1847 | } | |
1848 | ||
019ae3a9 KV |
1849 | state->split_start++; |
1850 | break; | |
1851 | case 13: | |
1852 | if (rdev->wiphy.num_iftype_ext_capab && | |
1853 | rdev->wiphy.iftype_ext_capab) { | |
1854 | struct nlattr *nested_ext_capab, *nested; | |
1855 | ||
1856 | nested = nla_nest_start(msg, | |
1857 | NL80211_ATTR_IFTYPE_EXT_CAPA); | |
1858 | if (!nested) | |
1859 | goto nla_put_failure; | |
1860 | ||
1861 | for (i = state->capa_start; | |
1862 | i < rdev->wiphy.num_iftype_ext_capab; i++) { | |
1863 | const struct wiphy_iftype_ext_capab *capab; | |
1864 | ||
1865 | capab = &rdev->wiphy.iftype_ext_capab[i]; | |
1866 | ||
1867 | nested_ext_capab = nla_nest_start(msg, i); | |
1868 | if (!nested_ext_capab || | |
1869 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, | |
1870 | capab->iftype) || | |
1871 | nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1872 | capab->extended_capabilities_len, | |
1873 | capab->extended_capabilities) || | |
1874 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1875 | capab->extended_capabilities_len, | |
1876 | capab->extended_capabilities_mask)) | |
1877 | goto nla_put_failure; | |
1878 | ||
1879 | nla_nest_end(msg, nested_ext_capab); | |
1880 | if (state->split) | |
1881 | break; | |
1882 | } | |
1883 | nla_nest_end(msg, nested); | |
1884 | if (i < rdev->wiphy.num_iftype_ext_capab) { | |
1885 | state->capa_start = i + 1; | |
1886 | break; | |
1887 | } | |
1888 | } | |
1889 | ||
8585989d LC |
1890 | if (nla_put_u32(msg, NL80211_ATTR_BANDS, |
1891 | rdev->wiphy.nan_supported_bands)) | |
1892 | goto nla_put_failure; | |
1893 | ||
3713b4e3 | 1894 | /* done */ |
86e8cf98 | 1895 | state->split_start = 0; |
3713b4e3 JB |
1896 | break; |
1897 | } | |
3bb20556 | 1898 | finish: |
053c095a JB |
1899 | genlmsg_end(msg, hdr); |
1900 | return 0; | |
55682965 JB |
1901 | |
1902 | nla_put_failure: | |
bc3ed28c TG |
1903 | genlmsg_cancel(msg, hdr); |
1904 | return -EMSGSIZE; | |
55682965 JB |
1905 | } |
1906 | ||
86e8cf98 JB |
1907 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1908 | struct netlink_callback *cb, | |
1909 | struct nl80211_dump_wiphy_state *state) | |
1910 | { | |
c90c39da | 1911 | struct nlattr **tb = genl_family_attrbuf(&nl80211_fam); |
fceb6435 JB |
1912 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, tb, |
1913 | nl80211_fam.maxattr, nl80211_policy, NULL); | |
86e8cf98 JB |
1914 | /* ignore parse errors for backward compatibility */ |
1915 | if (ret) | |
1916 | return 0; | |
1917 | ||
1918 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1919 | if (tb[NL80211_ATTR_WIPHY]) | |
1920 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1921 | if (tb[NL80211_ATTR_WDEV]) | |
1922 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1923 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1924 | struct net_device *netdev; | |
1925 | struct cfg80211_registered_device *rdev; | |
1926 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1927 | ||
7f2b8562 | 1928 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1929 | if (!netdev) |
1930 | return -ENODEV; | |
1931 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1932 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1933 | netdev->ieee80211_ptr->wiphy); |
1934 | state->filter_wiphy = rdev->wiphy_idx; | |
1935 | } | |
86e8cf98 JB |
1936 | } |
1937 | ||
1938 | return 0; | |
1939 | } | |
1940 | ||
55682965 JB |
1941 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1942 | { | |
645e77de | 1943 | int idx = 0, ret; |
86e8cf98 | 1944 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1945 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1946 | |
5fe231e8 | 1947 | rtnl_lock(); |
86e8cf98 JB |
1948 | if (!state) { |
1949 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1950 | if (!state) { |
1951 | rtnl_unlock(); | |
86e8cf98 | 1952 | return -ENOMEM; |
3713b4e3 | 1953 | } |
86e8cf98 JB |
1954 | state->filter_wiphy = -1; |
1955 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1956 | if (ret) { | |
1957 | kfree(state); | |
1958 | rtnl_unlock(); | |
1959 | return ret; | |
3713b4e3 | 1960 | } |
86e8cf98 | 1961 | cb->args[0] = (long)state; |
3713b4e3 JB |
1962 | } |
1963 | ||
1b8ec87a ZG |
1964 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1965 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1966 | continue; |
86e8cf98 | 1967 | if (++idx <= state->start) |
55682965 | 1968 | continue; |
86e8cf98 | 1969 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1970 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1971 | continue; |
1972 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1973 | do { | |
3bb20556 JB |
1974 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1975 | skb, | |
3713b4e3 JB |
1976 | NETLINK_CB(cb->skb).portid, |
1977 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1978 | NLM_F_MULTI, state); |
3713b4e3 JB |
1979 | if (ret < 0) { |
1980 | /* | |
1981 | * If sending the wiphy data didn't fit (ENOBUFS | |
1982 | * or EMSGSIZE returned), this SKB is still | |
1983 | * empty (so it's not too big because another | |
1984 | * wiphy dataset is already in the skb) and | |
1985 | * we've not tried to adjust the dump allocation | |
1986 | * yet ... then adjust the alloc size to be | |
1987 | * bigger, and return 1 but with the empty skb. | |
1988 | * This results in an empty message being RX'ed | |
1989 | * in userspace, but that is ignored. | |
1990 | * | |
1991 | * We can then retry with the larger buffer. | |
1992 | */ | |
1993 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1994 | !skb->len && !state->split && |
3713b4e3 JB |
1995 | cb->min_dump_alloc < 4096) { |
1996 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1997 | state->split_start = 0; |
d98cae64 | 1998 | rtnl_unlock(); |
3713b4e3 JB |
1999 | return 1; |
2000 | } | |
2001 | idx--; | |
2002 | break; | |
645e77de | 2003 | } |
86e8cf98 | 2004 | } while (state->split_start > 0); |
3713b4e3 | 2005 | break; |
55682965 | 2006 | } |
5fe231e8 | 2007 | rtnl_unlock(); |
55682965 | 2008 | |
86e8cf98 | 2009 | state->start = idx; |
55682965 JB |
2010 | |
2011 | return skb->len; | |
2012 | } | |
2013 | ||
86e8cf98 JB |
2014 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
2015 | { | |
2016 | kfree((void *)cb->args[0]); | |
2017 | return 0; | |
2018 | } | |
2019 | ||
55682965 JB |
2020 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
2021 | { | |
2022 | struct sk_buff *msg; | |
1b8ec87a | 2023 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 2024 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 2025 | |
645e77de | 2026 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 2027 | if (!msg) |
4c476991 | 2028 | return -ENOMEM; |
55682965 | 2029 | |
3bb20556 JB |
2030 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
2031 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 2032 | &state) < 0) { |
4c476991 JB |
2033 | nlmsg_free(msg); |
2034 | return -ENOBUFS; | |
2035 | } | |
55682965 | 2036 | |
134e6375 | 2037 | return genlmsg_reply(msg, info); |
55682965 JB |
2038 | } |
2039 | ||
31888487 JM |
2040 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
2041 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
2042 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
2043 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
2044 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
2045 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
2046 | }; | |
2047 | ||
2048 | static int parse_txq_params(struct nlattr *tb[], | |
2049 | struct ieee80211_txq_params *txq_params) | |
2050 | { | |
a3304b0a | 2051 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
2052 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
2053 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
2054 | return -EINVAL; | |
2055 | ||
a3304b0a | 2056 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
2057 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
2058 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
2059 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
2060 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
2061 | ||
a3304b0a JB |
2062 | if (txq_params->ac >= NL80211_NUM_ACS) |
2063 | return -EINVAL; | |
2064 | ||
31888487 JM |
2065 | return 0; |
2066 | } | |
2067 | ||
f444de05 JB |
2068 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
2069 | { | |
2070 | /* | |
cc1d2806 JB |
2071 | * You can only set the channel explicitly for WDS interfaces, |
2072 | * all others have their channel managed via their respective | |
2073 | * "establish a connection" command (connect, join, ...) | |
2074 | * | |
2075 | * For AP/GO and mesh mode, the channel can be set with the | |
2076 | * channel userspace API, but is only stored and passed to the | |
2077 | * low-level driver when the AP starts or the mesh is joined. | |
2078 | * This is for backward compatibility, userspace can also give | |
2079 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
2080 | * |
2081 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
2082 | * whatever else is going on, so they have their own special |
2083 | * operation to set the monitor channel if possible. | |
f444de05 JB |
2084 | */ |
2085 | return !wdev || | |
2086 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 2087 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
2088 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
2089 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
2090 | } |
2091 | ||
683b6d3b JB |
2092 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
2093 | struct genl_info *info, | |
2094 | struct cfg80211_chan_def *chandef) | |
2095 | { | |
dbeca2ea | 2096 | u32 control_freq; |
683b6d3b JB |
2097 | |
2098 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
2099 | return -EINVAL; | |
2100 | ||
2101 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
2102 | ||
2103 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
2104 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
2105 | chandef->center_freq1 = control_freq; | |
2106 | chandef->center_freq2 = 0; | |
683b6d3b JB |
2107 | |
2108 | /* Primary channel not allowed */ | |
2109 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
2110 | return -EINVAL; | |
2111 | ||
3d9d1d66 JB |
2112 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
2113 | enum nl80211_channel_type chantype; | |
2114 | ||
2115 | chantype = nla_get_u32( | |
2116 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
2117 | ||
2118 | switch (chantype) { | |
2119 | case NL80211_CHAN_NO_HT: | |
2120 | case NL80211_CHAN_HT20: | |
2121 | case NL80211_CHAN_HT40PLUS: | |
2122 | case NL80211_CHAN_HT40MINUS: | |
2123 | cfg80211_chandef_create(chandef, chandef->chan, | |
2124 | chantype); | |
ffa4629e TM |
2125 | /* user input for center_freq is incorrect */ |
2126 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1] && | |
2127 | chandef->center_freq1 != nla_get_u32( | |
2128 | info->attrs[NL80211_ATTR_CENTER_FREQ1])) | |
2129 | return -EINVAL; | |
2130 | /* center_freq2 must be zero */ | |
2131 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2] && | |
2132 | nla_get_u32(info->attrs[NL80211_ATTR_CENTER_FREQ2])) | |
2133 | return -EINVAL; | |
3d9d1d66 JB |
2134 | break; |
2135 | default: | |
2136 | return -EINVAL; | |
2137 | } | |
2138 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
2139 | chandef->width = | |
2140 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
2141 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
2142 | chandef->center_freq1 = | |
2143 | nla_get_u32( | |
2144 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
2145 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
2146 | chandef->center_freq2 = | |
2147 | nla_get_u32( | |
2148 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
2149 | } | |
2150 | ||
9f5e8f6e | 2151 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
2152 | return -EINVAL; |
2153 | ||
9f5e8f6e JB |
2154 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
2155 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
2156 | return -EINVAL; |
2157 | ||
2f301ab2 SW |
2158 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
2159 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
2160 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
2161 | return -EINVAL; | |
2162 | ||
683b6d3b JB |
2163 | return 0; |
2164 | } | |
2165 | ||
f444de05 | 2166 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 2167 | struct net_device *dev, |
f444de05 JB |
2168 | struct genl_info *info) |
2169 | { | |
683b6d3b | 2170 | struct cfg80211_chan_def chandef; |
f444de05 | 2171 | int result; |
e8c9bd5b | 2172 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 2173 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 2174 | |
e16821bc JM |
2175 | if (dev) |
2176 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
2177 | if (!nl80211_can_set_dev_channel(wdev)) |
2178 | return -EOPNOTSUPP; | |
e16821bc JM |
2179 | if (wdev) |
2180 | iftype = wdev->iftype; | |
f444de05 | 2181 | |
683b6d3b JB |
2182 | result = nl80211_parse_chandef(rdev, info, &chandef); |
2183 | if (result) | |
2184 | return result; | |
f444de05 | 2185 | |
e8c9bd5b | 2186 | switch (iftype) { |
aa430da4 JB |
2187 | case NL80211_IFTYPE_AP: |
2188 | case NL80211_IFTYPE_P2P_GO: | |
923b352f AN |
2189 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
2190 | iftype)) { | |
aa430da4 JB |
2191 | result = -EINVAL; |
2192 | break; | |
2193 | } | |
e16821bc JM |
2194 | if (wdev->beacon_interval) { |
2195 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
2196 | !(rdev->wiphy.features & | |
2197 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
2198 | result = -EBUSY; | |
2199 | break; | |
2200 | } | |
2201 | ||
2202 | /* Only allow dynamic channel width changes */ | |
2203 | if (chandef.chan != wdev->preset_chandef.chan) { | |
2204 | result = -EBUSY; | |
2205 | break; | |
2206 | } | |
2207 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
2208 | if (result) | |
2209 | break; | |
2210 | } | |
683b6d3b | 2211 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2212 | result = 0; |
2213 | break; | |
cc1d2806 | 2214 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2215 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2216 | break; |
e8c9bd5b | 2217 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2218 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2219 | break; |
aa430da4 | 2220 | default: |
e8c9bd5b | 2221 | result = -EINVAL; |
f444de05 | 2222 | } |
f444de05 JB |
2223 | |
2224 | return result; | |
2225 | } | |
2226 | ||
2227 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2228 | { | |
4c476991 JB |
2229 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2230 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2231 | |
e16821bc | 2232 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2233 | } |
2234 | ||
e8347eba BJ |
2235 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2236 | { | |
43b19952 JB |
2237 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2238 | struct net_device *dev = info->user_ptr[1]; | |
2239 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2240 | const u8 *bssid; |
e8347eba BJ |
2241 | |
2242 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2243 | return -EINVAL; | |
2244 | ||
43b19952 JB |
2245 | if (netif_running(dev)) |
2246 | return -EBUSY; | |
e8347eba | 2247 | |
43b19952 JB |
2248 | if (!rdev->ops->set_wds_peer) |
2249 | return -EOPNOTSUPP; | |
e8347eba | 2250 | |
43b19952 JB |
2251 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2252 | return -EOPNOTSUPP; | |
e8347eba BJ |
2253 | |
2254 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2255 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2256 | } |
2257 | ||
55682965 JB |
2258 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2259 | { | |
2260 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2261 | struct net_device *netdev = NULL; |
2262 | struct wireless_dev *wdev; | |
a1e567c8 | 2263 | int result = 0, rem_txq_params = 0; |
31888487 | 2264 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2265 | u32 changed; |
2266 | u8 retry_short = 0, retry_long = 0; | |
2267 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2268 | u8 coverage_class = 0; |
55682965 | 2269 | |
5fe231e8 JB |
2270 | ASSERT_RTNL(); |
2271 | ||
f444de05 JB |
2272 | /* |
2273 | * Try to find the wiphy and netdev. Normally this | |
2274 | * function shouldn't need the netdev, but this is | |
2275 | * done for backward compatibility -- previously | |
2276 | * setting the channel was done per wiphy, but now | |
2277 | * it is per netdev. Previous userland like hostapd | |
2278 | * also passed a netdev to set_wiphy, so that it is | |
2279 | * possible to let that go to the right netdev! | |
2280 | */ | |
4bbf4d56 | 2281 | |
f444de05 JB |
2282 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2283 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2284 | ||
7f2b8562 | 2285 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2286 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2287 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2288 | else |
f444de05 | 2289 | netdev = NULL; |
4bbf4d56 JB |
2290 | } |
2291 | ||
f444de05 | 2292 | if (!netdev) { |
878d9ec7 JB |
2293 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2294 | info->attrs); | |
5fe231e8 | 2295 | if (IS_ERR(rdev)) |
4c476991 | 2296 | return PTR_ERR(rdev); |
f444de05 JB |
2297 | wdev = NULL; |
2298 | netdev = NULL; | |
2299 | result = 0; | |
71fe96bf | 2300 | } else |
f444de05 | 2301 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2302 | |
2303 | /* | |
2304 | * end workaround code, by now the rdev is available | |
2305 | * and locked, and wdev may or may not be NULL. | |
2306 | */ | |
4bbf4d56 JB |
2307 | |
2308 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2309 | result = cfg80211_dev_rename( |
2310 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2311 | |
4bbf4d56 | 2312 | if (result) |
7f2b8562 | 2313 | return result; |
31888487 JM |
2314 | |
2315 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2316 | struct ieee80211_txq_params txq_params; | |
2317 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2318 | ||
7f2b8562 YX |
2319 | if (!rdev->ops->set_txq_params) |
2320 | return -EOPNOTSUPP; | |
31888487 | 2321 | |
7f2b8562 YX |
2322 | if (!netdev) |
2323 | return -EINVAL; | |
f70f01c2 | 2324 | |
133a3ff2 | 2325 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2326 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2327 | return -EINVAL; | |
133a3ff2 | 2328 | |
7f2b8562 YX |
2329 | if (!netif_running(netdev)) |
2330 | return -ENETDOWN; | |
2b5f8b0b | 2331 | |
31888487 JM |
2332 | nla_for_each_nested(nl_txq_params, |
2333 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2334 | rem_txq_params) { | |
bfe2c7b1 JB |
2335 | result = nla_parse_nested(tb, NL80211_TXQ_ATTR_MAX, |
2336 | nl_txq_params, | |
fe52145f JB |
2337 | txq_params_policy, |
2338 | info->extack); | |
ae811e21 JB |
2339 | if (result) |
2340 | return result; | |
31888487 JM |
2341 | result = parse_txq_params(tb, &txq_params); |
2342 | if (result) | |
7f2b8562 | 2343 | return result; |
31888487 | 2344 | |
e35e4d28 HG |
2345 | result = rdev_set_txq_params(rdev, netdev, |
2346 | &txq_params); | |
31888487 | 2347 | if (result) |
7f2b8562 | 2348 | return result; |
31888487 JM |
2349 | } |
2350 | } | |
55682965 | 2351 | |
72bdcf34 | 2352 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2353 | result = __nl80211_set_channel( |
2354 | rdev, | |
2355 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2356 | info); | |
72bdcf34 | 2357 | if (result) |
7f2b8562 | 2358 | return result; |
72bdcf34 JM |
2359 | } |
2360 | ||
98d2ff8b | 2361 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2362 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2363 | enum nl80211_tx_power_setting type; |
2364 | int idx, mbm = 0; | |
2365 | ||
c8442118 JB |
2366 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2367 | txp_wdev = NULL; | |
2368 | ||
7f2b8562 YX |
2369 | if (!rdev->ops->set_tx_power) |
2370 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2371 | |
2372 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2373 | type = nla_get_u32(info->attrs[idx]); | |
2374 | ||
2375 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2376 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2377 | return -EINVAL; | |
98d2ff8b JO |
2378 | |
2379 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2380 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2381 | mbm = nla_get_u32(info->attrs[idx]); | |
2382 | } | |
2383 | ||
c8442118 | 2384 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2385 | if (result) |
7f2b8562 | 2386 | return result; |
98d2ff8b JO |
2387 | } |
2388 | ||
afe0cbf8 BR |
2389 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2390 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2391 | u32 tx_ant, rx_ant; | |
7a087e74 | 2392 | |
7f531e03 BR |
2393 | if ((!rdev->wiphy.available_antennas_tx && |
2394 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2395 | !rdev->ops->set_antenna) |
2396 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2397 | |
2398 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2399 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2400 | ||
a7ffac95 | 2401 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2402 | * available antenna masks, except for the "all" mask */ |
2403 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2404 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2405 | return -EINVAL; | |
a7ffac95 | 2406 | |
7f531e03 BR |
2407 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2408 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2409 | |
e35e4d28 | 2410 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2411 | if (result) |
7f2b8562 | 2412 | return result; |
afe0cbf8 BR |
2413 | } |
2414 | ||
b9a5f8ca JM |
2415 | changed = 0; |
2416 | ||
2417 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2418 | retry_short = nla_get_u8( | |
2419 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2420 | if (retry_short == 0) |
2421 | return -EINVAL; | |
2422 | ||
b9a5f8ca JM |
2423 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2424 | } | |
2425 | ||
2426 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2427 | retry_long = nla_get_u8( | |
2428 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2429 | if (retry_long == 0) |
2430 | return -EINVAL; | |
2431 | ||
b9a5f8ca JM |
2432 | changed |= WIPHY_PARAM_RETRY_LONG; |
2433 | } | |
2434 | ||
2435 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2436 | frag_threshold = nla_get_u32( | |
2437 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2438 | if (frag_threshold < 256) |
2439 | return -EINVAL; | |
2440 | ||
b9a5f8ca JM |
2441 | if (frag_threshold != (u32) -1) { |
2442 | /* | |
2443 | * Fragments (apart from the last one) are required to | |
2444 | * have even length. Make the fragmentation code | |
2445 | * simpler by stripping LSB should someone try to use | |
2446 | * odd threshold value. | |
2447 | */ | |
2448 | frag_threshold &= ~0x1; | |
2449 | } | |
2450 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2451 | } | |
2452 | ||
2453 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2454 | rts_threshold = nla_get_u32( | |
2455 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2456 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2457 | } | |
2458 | ||
81077e82 | 2459 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2460 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2461 | return -EINVAL; | |
2462 | ||
81077e82 LT |
2463 | coverage_class = nla_get_u8( |
2464 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2465 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2466 | } | |
2467 | ||
3057dbfd LB |
2468 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
2469 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2470 | return -EOPNOTSUPP; | |
2471 | ||
2472 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2473 | } |
2474 | ||
b9a5f8ca JM |
2475 | if (changed) { |
2476 | u8 old_retry_short, old_retry_long; | |
2477 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2478 | u8 old_coverage_class; |
b9a5f8ca | 2479 | |
7f2b8562 YX |
2480 | if (!rdev->ops->set_wiphy_params) |
2481 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2482 | |
2483 | old_retry_short = rdev->wiphy.retry_short; | |
2484 | old_retry_long = rdev->wiphy.retry_long; | |
2485 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2486 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2487 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2488 | |
2489 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2490 | rdev->wiphy.retry_short = retry_short; | |
2491 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2492 | rdev->wiphy.retry_long = retry_long; | |
2493 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2494 | rdev->wiphy.frag_threshold = frag_threshold; | |
2495 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2496 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2497 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2498 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2499 | |
e35e4d28 | 2500 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2501 | if (result) { |
2502 | rdev->wiphy.retry_short = old_retry_short; | |
2503 | rdev->wiphy.retry_long = old_retry_long; | |
2504 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2505 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2506 | rdev->wiphy.coverage_class = old_coverage_class; |
9189ee31 | 2507 | return result; |
b9a5f8ca JM |
2508 | } |
2509 | } | |
7f2b8562 | 2510 | return 0; |
55682965 JB |
2511 | } |
2512 | ||
71bbc994 JB |
2513 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2514 | { | |
2515 | return (u64)wdev->identifier | | |
f26cbf40 | 2516 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2517 | } |
55682965 | 2518 | |
683b6d3b | 2519 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2520 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2521 | { |
601555cd JB |
2522 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
2523 | return -EINVAL; | |
3d9d1d66 | 2524 | |
683b6d3b JB |
2525 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2526 | chandef->chan->center_freq)) | |
2527 | return -ENOBUFS; | |
3d9d1d66 JB |
2528 | switch (chandef->width) { |
2529 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2530 | case NL80211_CHAN_WIDTH_20: | |
2531 | case NL80211_CHAN_WIDTH_40: | |
2532 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2533 | cfg80211_get_chandef_type(chandef))) | |
2534 | return -ENOBUFS; | |
2535 | break; | |
2536 | default: | |
2537 | break; | |
2538 | } | |
2539 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2540 | return -ENOBUFS; | |
2541 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2542 | return -ENOBUFS; | |
2543 | if (chandef->center_freq2 && | |
2544 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2545 | return -ENOBUFS; |
2546 | return 0; | |
2547 | } | |
2548 | ||
15e47304 | 2549 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2550 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2551 | struct wireless_dev *wdev, bool removal) |
55682965 | 2552 | { |
72fb2abc | 2553 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2554 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2555 | void *hdr; |
2556 | ||
8f894be2 TB |
2557 | if (removal) |
2558 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2559 | ||
2560 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2561 | if (!hdr) |
2562 | return -1; | |
2563 | ||
72fb2abc JB |
2564 | if (dev && |
2565 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2566 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2567 | goto nla_put_failure; |
2568 | ||
2569 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2570 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
2dad624e ND |
2571 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
2572 | NL80211_ATTR_PAD) || | |
98104fde | 2573 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2574 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2575 | rdev->devlist_generation ^ | |
2576 | (cfg80211_rdev_list_generation << 2))) | |
2577 | goto nla_put_failure; | |
f5ea9120 | 2578 | |
5b7ccaf3 | 2579 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2580 | int ret; |
2581 | struct cfg80211_chan_def chandef; | |
2582 | ||
2583 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2584 | if (ret == 0) { | |
2585 | if (nl80211_send_chandef(msg, &chandef)) | |
2586 | goto nla_put_failure; | |
2587 | } | |
d91df0e3 PF |
2588 | } |
2589 | ||
d55d0d59 RM |
2590 | if (rdev->ops->get_tx_power) { |
2591 | int dbm, ret; | |
2592 | ||
2593 | ret = rdev_get_tx_power(rdev, wdev, &dbm); | |
2594 | if (ret == 0 && | |
2595 | nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, | |
2596 | DBM_TO_MBM(dbm))) | |
2597 | goto nla_put_failure; | |
2598 | } | |
2599 | ||
b84e7a05 AQ |
2600 | if (wdev->ssid_len) { |
2601 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2602 | goto nla_put_failure; | |
2603 | } | |
2604 | ||
053c095a JB |
2605 | genlmsg_end(msg, hdr); |
2606 | return 0; | |
55682965 JB |
2607 | |
2608 | nla_put_failure: | |
bc3ed28c TG |
2609 | genlmsg_cancel(msg, hdr); |
2610 | return -EMSGSIZE; | |
55682965 JB |
2611 | } |
2612 | ||
2613 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2614 | { | |
2615 | int wp_idx = 0; | |
2616 | int if_idx = 0; | |
2617 | int wp_start = cb->args[0]; | |
2618 | int if_start = cb->args[1]; | |
b7fb44da | 2619 | int filter_wiphy = -1; |
f5ea9120 | 2620 | struct cfg80211_registered_device *rdev; |
55682965 | 2621 | struct wireless_dev *wdev; |
ea90e0dc | 2622 | int ret; |
55682965 | 2623 | |
5fe231e8 | 2624 | rtnl_lock(); |
b7fb44da DK |
2625 | if (!cb->args[2]) { |
2626 | struct nl80211_dump_wiphy_state state = { | |
2627 | .filter_wiphy = -1, | |
2628 | }; | |
b7fb44da DK |
2629 | |
2630 | ret = nl80211_dump_wiphy_parse(skb, cb, &state); | |
2631 | if (ret) | |
ea90e0dc | 2632 | goto out_unlock; |
b7fb44da DK |
2633 | |
2634 | filter_wiphy = state.filter_wiphy; | |
2635 | ||
2636 | /* | |
2637 | * if filtering, set cb->args[2] to +1 since 0 is the default | |
2638 | * value needed to determine that parsing is necessary. | |
2639 | */ | |
2640 | if (filter_wiphy >= 0) | |
2641 | cb->args[2] = filter_wiphy + 1; | |
2642 | else | |
2643 | cb->args[2] = -1; | |
2644 | } else if (cb->args[2] > 0) { | |
2645 | filter_wiphy = cb->args[2] - 1; | |
2646 | } | |
2647 | ||
f5ea9120 JB |
2648 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2649 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2650 | continue; |
bba95fef JB |
2651 | if (wp_idx < wp_start) { |
2652 | wp_idx++; | |
55682965 | 2653 | continue; |
bba95fef | 2654 | } |
b7fb44da DK |
2655 | |
2656 | if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx) | |
2657 | continue; | |
2658 | ||
55682965 JB |
2659 | if_idx = 0; |
2660 | ||
53873f13 | 2661 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
bba95fef JB |
2662 | if (if_idx < if_start) { |
2663 | if_idx++; | |
55682965 | 2664 | continue; |
bba95fef | 2665 | } |
15e47304 | 2666 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2667 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2668 | rdev, wdev, false) < 0) { |
bba95fef JB |
2669 | goto out; |
2670 | } | |
2671 | if_idx++; | |
55682965 | 2672 | } |
bba95fef JB |
2673 | |
2674 | wp_idx++; | |
55682965 | 2675 | } |
bba95fef | 2676 | out: |
55682965 JB |
2677 | cb->args[0] = wp_idx; |
2678 | cb->args[1] = if_idx; | |
2679 | ||
ea90e0dc JB |
2680 | ret = skb->len; |
2681 | out_unlock: | |
2682 | rtnl_unlock(); | |
2683 | ||
2684 | return ret; | |
55682965 JB |
2685 | } |
2686 | ||
2687 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2688 | { | |
2689 | struct sk_buff *msg; | |
1b8ec87a | 2690 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2691 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2692 | |
fd2120ca | 2693 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2694 | if (!msg) |
4c476991 | 2695 | return -ENOMEM; |
55682965 | 2696 | |
15e47304 | 2697 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2698 | rdev, wdev, false) < 0) { |
4c476991 JB |
2699 | nlmsg_free(msg); |
2700 | return -ENOBUFS; | |
2701 | } | |
55682965 | 2702 | |
134e6375 | 2703 | return genlmsg_reply(msg, info); |
55682965 JB |
2704 | } |
2705 | ||
66f7ac50 MW |
2706 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2707 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2708 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2709 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2710 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2711 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2712 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2713 | }; |
2714 | ||
2715 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2716 | { | |
2717 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2718 | int flag; | |
2719 | ||
2720 | *mntrflags = 0; | |
2721 | ||
2722 | if (!nla) | |
2723 | return -EINVAL; | |
2724 | ||
fceb6435 JB |
2725 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, nla, |
2726 | mntr_flags_policy, NULL)) | |
66f7ac50 MW |
2727 | return -EINVAL; |
2728 | ||
2729 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2730 | if (flags[flag]) | |
2731 | *mntrflags |= (1<<flag); | |
2732 | ||
818a986e JB |
2733 | *mntrflags |= MONITOR_FLAG_CHANGED; |
2734 | ||
66f7ac50 MW |
2735 | return 0; |
2736 | } | |
2737 | ||
1db77596 JB |
2738 | static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev, |
2739 | enum nl80211_iftype type, | |
2740 | struct genl_info *info, | |
2741 | struct vif_params *params) | |
2742 | { | |
2743 | bool change = false; | |
2744 | int err; | |
2745 | ||
2746 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { | |
2747 | if (type != NL80211_IFTYPE_MONITOR) | |
2748 | return -EINVAL; | |
2749 | ||
2750 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], | |
2751 | ¶ms->flags); | |
2752 | if (err) | |
2753 | return err; | |
2754 | ||
2755 | change = true; | |
2756 | } | |
2757 | ||
2758 | if (params->flags & MONITOR_FLAG_ACTIVE && | |
2759 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) | |
2760 | return -EOPNOTSUPP; | |
2761 | ||
2762 | if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) { | |
2763 | const u8 *mumimo_groups; | |
2764 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2765 | ||
2766 | if (type != NL80211_IFTYPE_MONITOR) | |
2767 | return -EINVAL; | |
2768 | ||
2769 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2770 | return -EOPNOTSUPP; | |
2771 | ||
2772 | mumimo_groups = | |
2773 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]); | |
2774 | ||
2775 | /* bits 0 and 63 are reserved and must be zero */ | |
4954601f JB |
2776 | if ((mumimo_groups[0] & BIT(0)) || |
2777 | (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7))) | |
1db77596 JB |
2778 | return -EINVAL; |
2779 | ||
2780 | params->vht_mumimo_groups = mumimo_groups; | |
2781 | change = true; | |
2782 | } | |
2783 | ||
2784 | if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) { | |
2785 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2786 | ||
2787 | if (type != NL80211_IFTYPE_MONITOR) | |
2788 | return -EINVAL; | |
2789 | ||
2790 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2791 | return -EOPNOTSUPP; | |
2792 | ||
2793 | params->vht_mumimo_follow_addr = | |
2794 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]); | |
2795 | change = true; | |
2796 | } | |
2797 | ||
2798 | return change ? 1 : 0; | |
2799 | } | |
2800 | ||
9bc383de | 2801 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2802 | struct net_device *netdev, u8 use_4addr, |
2803 | enum nl80211_iftype iftype) | |
9bc383de | 2804 | { |
ad4bb6f8 | 2805 | if (!use_4addr) { |
f350a0a8 | 2806 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2807 | return -EBUSY; |
9bc383de | 2808 | return 0; |
ad4bb6f8 | 2809 | } |
9bc383de JB |
2810 | |
2811 | switch (iftype) { | |
2812 | case NL80211_IFTYPE_AP_VLAN: | |
2813 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2814 | return 0; | |
2815 | break; | |
2816 | case NL80211_IFTYPE_STATION: | |
2817 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2818 | return 0; | |
2819 | break; | |
2820 | default: | |
2821 | break; | |
2822 | } | |
2823 | ||
2824 | return -EOPNOTSUPP; | |
2825 | } | |
2826 | ||
55682965 JB |
2827 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2828 | { | |
4c476991 | 2829 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2830 | struct vif_params params; |
e36d56b6 | 2831 | int err; |
04a773ad | 2832 | enum nl80211_iftype otype, ntype; |
4c476991 | 2833 | struct net_device *dev = info->user_ptr[1]; |
ac7f9cfa | 2834 | bool change = false; |
55682965 | 2835 | |
2ec600d6 LCC |
2836 | memset(¶ms, 0, sizeof(params)); |
2837 | ||
04a773ad | 2838 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2839 | |
723b038d | 2840 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2841 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2842 | if (otype != ntype) |
ac7f9cfa | 2843 | change = true; |
4c476991 JB |
2844 | if (ntype > NL80211_IFTYPE_MAX) |
2845 | return -EINVAL; | |
723b038d JB |
2846 | } |
2847 | ||
92ffe055 | 2848 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2849 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2850 | ||
4c476991 JB |
2851 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2852 | return -EINVAL; | |
29cbe68c JB |
2853 | if (netif_running(dev)) |
2854 | return -EBUSY; | |
2855 | ||
2856 | wdev_lock(wdev); | |
2857 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2858 | IEEE80211_MAX_MESH_ID_LEN); | |
2859 | wdev->mesh_id_up_len = | |
2860 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2861 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2862 | wdev->mesh_id_up_len); | |
2863 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2864 | } |
2865 | ||
8b787643 FF |
2866 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2867 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2868 | change = true; | |
ad4bb6f8 | 2869 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2870 | if (err) |
4c476991 | 2871 | return err; |
8b787643 FF |
2872 | } else { |
2873 | params.use_4addr = -1; | |
2874 | } | |
2875 | ||
1db77596 JB |
2876 | err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms); |
2877 | if (err < 0) | |
2878 | return err; | |
2879 | if (err > 0) | |
c6e6a0c8 | 2880 | change = true; |
e057d3c3 | 2881 | |
ac7f9cfa | 2882 | if (change) |
818a986e | 2883 | err = cfg80211_change_iface(rdev, dev, ntype, ¶ms); |
ac7f9cfa JB |
2884 | else |
2885 | err = 0; | |
60719ffd | 2886 | |
9bc383de JB |
2887 | if (!err && params.use_4addr != -1) |
2888 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2889 | ||
55682965 JB |
2890 | return err; |
2891 | } | |
2892 | ||
2893 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2894 | { | |
4c476991 | 2895 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2896 | struct vif_params params; |
84efbb84 | 2897 | struct wireless_dev *wdev; |
896ff063 | 2898 | struct sk_buff *msg; |
55682965 JB |
2899 | int err; |
2900 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
2901 | ||
78f22b6a JB |
2902 | /* to avoid failing a new interface creation due to pending removal */ |
2903 | cfg80211_destroy_ifaces(rdev); | |
2904 | ||
2ec600d6 LCC |
2905 | memset(¶ms, 0, sizeof(params)); |
2906 | ||
55682965 JB |
2907 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2908 | return -EINVAL; | |
2909 | ||
2910 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2911 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2912 | if (type > NL80211_IFTYPE_MAX) | |
2913 | return -EINVAL; | |
2914 | } | |
2915 | ||
79c97e97 | 2916 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2917 | !(rdev->wiphy.interface_modes & (1 << type))) |
2918 | return -EOPNOTSUPP; | |
55682965 | 2919 | |
cb3b7d87 | 2920 | if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN || |
e8f479b1 BG |
2921 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && |
2922 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
2923 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
2924 | ETH_ALEN); | |
2925 | if (!is_valid_ether_addr(params.macaddr)) | |
2926 | return -EADDRNOTAVAIL; | |
2927 | } | |
2928 | ||
9bc383de | 2929 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2930 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2931 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2932 | if (err) |
4c476991 | 2933 | return err; |
9bc383de | 2934 | } |
8b787643 | 2935 | |
1db77596 JB |
2936 | err = nl80211_parse_mon_options(rdev, type, info, ¶ms); |
2937 | if (err < 0) | |
2938 | return err; | |
e057d3c3 | 2939 | |
a18c7192 JB |
2940 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2941 | if (!msg) | |
2942 | return -ENOMEM; | |
2943 | ||
e35e4d28 HG |
2944 | wdev = rdev_add_virtual_intf(rdev, |
2945 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
818a986e | 2946 | NET_NAME_USER, type, ¶ms); |
d687cbb7 RM |
2947 | if (WARN_ON(!wdev)) { |
2948 | nlmsg_free(msg); | |
2949 | return -EPROTO; | |
2950 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 2951 | nlmsg_free(msg); |
84efbb84 | 2952 | return PTR_ERR(wdev); |
1c90f9d4 | 2953 | } |
2ec600d6 | 2954 | |
18e5ca65 | 2955 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
2956 | wdev->owner_nlportid = info->snd_portid; |
2957 | ||
98104fde JB |
2958 | switch (type) { |
2959 | case NL80211_IFTYPE_MESH_POINT: | |
2960 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2961 | break; | |
29cbe68c JB |
2962 | wdev_lock(wdev); |
2963 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2964 | IEEE80211_MAX_MESH_ID_LEN); | |
2965 | wdev->mesh_id_up_len = | |
2966 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2967 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2968 | wdev->mesh_id_up_len); | |
2969 | wdev_unlock(wdev); | |
98104fde | 2970 | break; |
cb3b7d87 | 2971 | case NL80211_IFTYPE_NAN: |
98104fde JB |
2972 | case NL80211_IFTYPE_P2P_DEVICE: |
2973 | /* | |
cb3b7d87 | 2974 | * P2P Device and NAN do not have a netdev, so don't go |
98104fde JB |
2975 | * through the netdev notifier and must be added here |
2976 | */ | |
2977 | mutex_init(&wdev->mtx); | |
2978 | INIT_LIST_HEAD(&wdev->event_list); | |
2979 | spin_lock_init(&wdev->event_lock); | |
2980 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2981 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2982 | ||
98104fde | 2983 | wdev->identifier = ++rdev->wdev_id; |
53873f13 | 2984 | list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list); |
98104fde | 2985 | rdev->devlist_generation++; |
98104fde JB |
2986 | break; |
2987 | default: | |
2988 | break; | |
29cbe68c JB |
2989 | } |
2990 | ||
15e47304 | 2991 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2992 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
2993 | nlmsg_free(msg); |
2994 | return -ENOBUFS; | |
2995 | } | |
2996 | ||
896ff063 DK |
2997 | /* |
2998 | * For wdevs which have no associated netdev object (e.g. of type | |
2999 | * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here. | |
3000 | * For all other types, the event will be generated from the | |
3001 | * netdev notifier | |
3002 | */ | |
3003 | if (!wdev->netdev) | |
3004 | nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); | |
8f894be2 | 3005 | |
1c90f9d4 | 3006 | return genlmsg_reply(msg, info); |
55682965 JB |
3007 | } |
3008 | ||
3009 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
3010 | { | |
4c476991 | 3011 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 3012 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 3013 | |
4c476991 JB |
3014 | if (!rdev->ops->del_virtual_intf) |
3015 | return -EOPNOTSUPP; | |
55682965 | 3016 | |
84efbb84 JB |
3017 | /* |
3018 | * If we remove a wireless device without a netdev then clear | |
3019 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
3020 | * to check if it needs to do dev_put(). Otherwise it crashes | |
3021 | * since the wdev has been freed, unlike with a netdev where | |
3022 | * we need the dev_put() for the netdev to really be freed. | |
3023 | */ | |
3024 | if (!wdev->netdev) | |
3025 | info->user_ptr[1] = NULL; | |
3026 | ||
7f8ed01e | 3027 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
3028 | } |
3029 | ||
1d9d9213 SW |
3030 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
3031 | { | |
3032 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3033 | struct net_device *dev = info->user_ptr[1]; | |
3034 | u16 noack_map; | |
3035 | ||
3036 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
3037 | return -EINVAL; | |
3038 | ||
3039 | if (!rdev->ops->set_noack_map) | |
3040 | return -EOPNOTSUPP; | |
3041 | ||
3042 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
3043 | ||
e35e4d28 | 3044 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
3045 | } |
3046 | ||
41ade00f JB |
3047 | struct get_key_cookie { |
3048 | struct sk_buff *msg; | |
3049 | int error; | |
b9454e83 | 3050 | int idx; |
41ade00f JB |
3051 | }; |
3052 | ||
3053 | static void get_key_callback(void *c, struct key_params *params) | |
3054 | { | |
b9454e83 | 3055 | struct nlattr *key; |
41ade00f JB |
3056 | struct get_key_cookie *cookie = c; |
3057 | ||
9360ffd1 DM |
3058 | if ((params->key && |
3059 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
3060 | params->key_len, params->key)) || | |
3061 | (params->seq && | |
3062 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
3063 | params->seq_len, params->seq)) || | |
3064 | (params->cipher && | |
3065 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
3066 | params->cipher))) | |
3067 | goto nla_put_failure; | |
41ade00f | 3068 | |
b9454e83 JB |
3069 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
3070 | if (!key) | |
3071 | goto nla_put_failure; | |
3072 | ||
9360ffd1 DM |
3073 | if ((params->key && |
3074 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
3075 | params->key_len, params->key)) || | |
3076 | (params->seq && | |
3077 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
3078 | params->seq_len, params->seq)) || | |
3079 | (params->cipher && | |
3080 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
3081 | params->cipher))) | |
3082 | goto nla_put_failure; | |
b9454e83 | 3083 | |
9360ffd1 DM |
3084 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
3085 | goto nla_put_failure; | |
b9454e83 JB |
3086 | |
3087 | nla_nest_end(cookie->msg, key); | |
3088 | ||
41ade00f JB |
3089 | return; |
3090 | nla_put_failure: | |
3091 | cookie->error = 1; | |
3092 | } | |
3093 | ||
3094 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
3095 | { | |
4c476991 | 3096 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3097 | int err; |
4c476991 | 3098 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3099 | u8 key_idx = 0; |
e31b8213 JB |
3100 | const u8 *mac_addr = NULL; |
3101 | bool pairwise; | |
41ade00f JB |
3102 | struct get_key_cookie cookie = { |
3103 | .error = 0, | |
3104 | }; | |
3105 | void *hdr; | |
3106 | struct sk_buff *msg; | |
3107 | ||
3108 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
3109 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
3110 | ||
3cfcf6ac | 3111 | if (key_idx > 5) |
41ade00f JB |
3112 | return -EINVAL; |
3113 | ||
3114 | if (info->attrs[NL80211_ATTR_MAC]) | |
3115 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3116 | ||
e31b8213 JB |
3117 | pairwise = !!mac_addr; |
3118 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
3119 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
7a087e74 | 3120 | |
e31b8213 JB |
3121 | if (kt >= NUM_NL80211_KEYTYPES) |
3122 | return -EINVAL; | |
3123 | if (kt != NL80211_KEYTYPE_GROUP && | |
3124 | kt != NL80211_KEYTYPE_PAIRWISE) | |
3125 | return -EINVAL; | |
3126 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
3127 | } | |
3128 | ||
4c476991 JB |
3129 | if (!rdev->ops->get_key) |
3130 | return -EOPNOTSUPP; | |
41ade00f | 3131 | |
0fa7b391 JB |
3132 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3133 | return -ENOENT; | |
3134 | ||
fd2120ca | 3135 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3136 | if (!msg) |
3137 | return -ENOMEM; | |
41ade00f | 3138 | |
15e47304 | 3139 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 3140 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 3141 | if (!hdr) |
9fe271af | 3142 | goto nla_put_failure; |
41ade00f JB |
3143 | |
3144 | cookie.msg = msg; | |
b9454e83 | 3145 | cookie.idx = key_idx; |
41ade00f | 3146 | |
9360ffd1 DM |
3147 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3148 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
3149 | goto nla_put_failure; | |
3150 | if (mac_addr && | |
3151 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
3152 | goto nla_put_failure; | |
41ade00f | 3153 | |
e35e4d28 HG |
3154 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
3155 | get_key_callback); | |
41ade00f JB |
3156 | |
3157 | if (err) | |
6c95e2a2 | 3158 | goto free_msg; |
41ade00f JB |
3159 | |
3160 | if (cookie.error) | |
3161 | goto nla_put_failure; | |
3162 | ||
3163 | genlmsg_end(msg, hdr); | |
4c476991 | 3164 | return genlmsg_reply(msg, info); |
41ade00f JB |
3165 | |
3166 | nla_put_failure: | |
3167 | err = -ENOBUFS; | |
6c95e2a2 | 3168 | free_msg: |
41ade00f | 3169 | nlmsg_free(msg); |
41ade00f JB |
3170 | return err; |
3171 | } | |
3172 | ||
3173 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
3174 | { | |
4c476991 | 3175 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 3176 | struct key_parse key; |
41ade00f | 3177 | int err; |
4c476991 | 3178 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3179 | |
b9454e83 JB |
3180 | err = nl80211_parse_key(info, &key); |
3181 | if (err) | |
3182 | return err; | |
41ade00f | 3183 | |
b9454e83 | 3184 | if (key.idx < 0) |
41ade00f JB |
3185 | return -EINVAL; |
3186 | ||
b9454e83 JB |
3187 | /* only support setting default key */ |
3188 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
3189 | return -EINVAL; |
3190 | ||
dbd2fd65 | 3191 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 3192 | |
dbd2fd65 JB |
3193 | if (key.def) { |
3194 | if (!rdev->ops->set_default_key) { | |
3195 | err = -EOPNOTSUPP; | |
3196 | goto out; | |
3197 | } | |
41ade00f | 3198 | |
dbd2fd65 JB |
3199 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
3200 | if (err) | |
3201 | goto out; | |
3202 | ||
e35e4d28 | 3203 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
3204 | key.def_uni, key.def_multi); |
3205 | ||
3206 | if (err) | |
3207 | goto out; | |
fffd0934 | 3208 | |
3d23e349 | 3209 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
3210 | dev->ieee80211_ptr->wext.default_key = key.idx; |
3211 | #endif | |
3212 | } else { | |
3213 | if (key.def_uni || !key.def_multi) { | |
3214 | err = -EINVAL; | |
3215 | goto out; | |
3216 | } | |
3217 | ||
3218 | if (!rdev->ops->set_default_mgmt_key) { | |
3219 | err = -EOPNOTSUPP; | |
3220 | goto out; | |
3221 | } | |
3222 | ||
3223 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3224 | if (err) | |
3225 | goto out; | |
3226 | ||
e35e4d28 | 3227 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
3228 | if (err) |
3229 | goto out; | |
3230 | ||
3231 | #ifdef CONFIG_CFG80211_WEXT | |
3232 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 3233 | #endif |
dbd2fd65 JB |
3234 | } |
3235 | ||
3236 | out: | |
fffd0934 | 3237 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3238 | |
41ade00f JB |
3239 | return err; |
3240 | } | |
3241 | ||
3242 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
3243 | { | |
4c476991 | 3244 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 3245 | int err; |
4c476991 | 3246 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 3247 | struct key_parse key; |
e31b8213 | 3248 | const u8 *mac_addr = NULL; |
41ade00f | 3249 | |
b9454e83 JB |
3250 | err = nl80211_parse_key(info, &key); |
3251 | if (err) | |
3252 | return err; | |
41ade00f | 3253 | |
b9454e83 | 3254 | if (!key.p.key) |
41ade00f JB |
3255 | return -EINVAL; |
3256 | ||
41ade00f JB |
3257 | if (info->attrs[NL80211_ATTR_MAC]) |
3258 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3259 | ||
e31b8213 JB |
3260 | if (key.type == -1) { |
3261 | if (mac_addr) | |
3262 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3263 | else | |
3264 | key.type = NL80211_KEYTYPE_GROUP; | |
3265 | } | |
3266 | ||
3267 | /* for now */ | |
3268 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3269 | key.type != NL80211_KEYTYPE_GROUP) | |
3270 | return -EINVAL; | |
3271 | ||
4c476991 JB |
3272 | if (!rdev->ops->add_key) |
3273 | return -EOPNOTSUPP; | |
25e47c18 | 3274 | |
e31b8213 JB |
3275 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3276 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3277 | mac_addr)) | |
4c476991 | 3278 | return -EINVAL; |
41ade00f | 3279 | |
fffd0934 JB |
3280 | wdev_lock(dev->ieee80211_ptr); |
3281 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3282 | if (!err) | |
e35e4d28 HG |
3283 | err = rdev_add_key(rdev, dev, key.idx, |
3284 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3285 | mac_addr, &key.p); | |
fffd0934 | 3286 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3287 | |
41ade00f JB |
3288 | return err; |
3289 | } | |
3290 | ||
3291 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3292 | { | |
4c476991 | 3293 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3294 | int err; |
4c476991 | 3295 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3296 | u8 *mac_addr = NULL; |
b9454e83 | 3297 | struct key_parse key; |
41ade00f | 3298 | |
b9454e83 JB |
3299 | err = nl80211_parse_key(info, &key); |
3300 | if (err) | |
3301 | return err; | |
41ade00f JB |
3302 | |
3303 | if (info->attrs[NL80211_ATTR_MAC]) | |
3304 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3305 | ||
e31b8213 JB |
3306 | if (key.type == -1) { |
3307 | if (mac_addr) | |
3308 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3309 | else | |
3310 | key.type = NL80211_KEYTYPE_GROUP; | |
3311 | } | |
3312 | ||
3313 | /* for now */ | |
3314 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3315 | key.type != NL80211_KEYTYPE_GROUP) | |
3316 | return -EINVAL; | |
3317 | ||
4c476991 JB |
3318 | if (!rdev->ops->del_key) |
3319 | return -EOPNOTSUPP; | |
41ade00f | 3320 | |
fffd0934 JB |
3321 | wdev_lock(dev->ieee80211_ptr); |
3322 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 | 3323 | |
0fa7b391 | 3324 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
e31b8213 JB |
3325 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3326 | err = -ENOENT; | |
3327 | ||
fffd0934 | 3328 | if (!err) |
e35e4d28 HG |
3329 | err = rdev_del_key(rdev, dev, key.idx, |
3330 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3331 | mac_addr); | |
41ade00f | 3332 | |
3d23e349 | 3333 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3334 | if (!err) { |
b9454e83 | 3335 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3336 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3337 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3338 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3339 | } | |
3340 | #endif | |
fffd0934 | 3341 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3342 | |
41ade00f JB |
3343 | return err; |
3344 | } | |
3345 | ||
77765eaf VT |
3346 | /* This function returns an error or the number of nested attributes */ |
3347 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3348 | { | |
3349 | struct nlattr *attr; | |
3350 | int n_entries = 0, tmp; | |
3351 | ||
3352 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3353 | if (nla_len(attr) != ETH_ALEN) | |
3354 | return -EINVAL; | |
3355 | ||
3356 | n_entries++; | |
3357 | } | |
3358 | ||
3359 | return n_entries; | |
3360 | } | |
3361 | ||
3362 | /* | |
3363 | * This function parses ACL information and allocates memory for ACL data. | |
3364 | * On successful return, the calling function is responsible to free the | |
3365 | * ACL buffer returned by this function. | |
3366 | */ | |
3367 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3368 | struct genl_info *info) | |
3369 | { | |
3370 | enum nl80211_acl_policy acl_policy; | |
3371 | struct nlattr *attr; | |
3372 | struct cfg80211_acl_data *acl; | |
3373 | int i = 0, n_entries, tmp; | |
3374 | ||
3375 | if (!wiphy->max_acl_mac_addrs) | |
3376 | return ERR_PTR(-EOPNOTSUPP); | |
3377 | ||
3378 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3379 | return ERR_PTR(-EINVAL); | |
3380 | ||
3381 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3382 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3383 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3384 | return ERR_PTR(-EINVAL); | |
3385 | ||
3386 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3387 | return ERR_PTR(-EINVAL); | |
3388 | ||
3389 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3390 | if (n_entries < 0) | |
3391 | return ERR_PTR(n_entries); | |
3392 | ||
3393 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3394 | return ERR_PTR(-ENOTSUPP); | |
3395 | ||
3396 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3397 | GFP_KERNEL); | |
3398 | if (!acl) | |
3399 | return ERR_PTR(-ENOMEM); | |
3400 | ||
3401 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3402 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3403 | i++; | |
3404 | } | |
3405 | ||
3406 | acl->n_acl_entries = n_entries; | |
3407 | acl->acl_policy = acl_policy; | |
3408 | ||
3409 | return acl; | |
3410 | } | |
3411 | ||
3412 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3413 | { | |
3414 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3415 | struct net_device *dev = info->user_ptr[1]; | |
3416 | struct cfg80211_acl_data *acl; | |
3417 | int err; | |
3418 | ||
3419 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3420 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3421 | return -EOPNOTSUPP; | |
3422 | ||
3423 | if (!dev->ieee80211_ptr->beacon_interval) | |
3424 | return -EINVAL; | |
3425 | ||
3426 | acl = parse_acl_data(&rdev->wiphy, info); | |
3427 | if (IS_ERR(acl)) | |
3428 | return PTR_ERR(acl); | |
3429 | ||
3430 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3431 | ||
3432 | kfree(acl); | |
3433 | ||
3434 | return err; | |
3435 | } | |
3436 | ||
a7c7fbff PK |
3437 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
3438 | u8 *rates, u8 rates_len) | |
3439 | { | |
3440 | u8 i; | |
3441 | u32 mask = 0; | |
3442 | ||
3443 | for (i = 0; i < rates_len; i++) { | |
3444 | int rate = (rates[i] & 0x7f) * 5; | |
3445 | int ridx; | |
3446 | ||
3447 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
3448 | struct ieee80211_rate *srate = | |
3449 | &sband->bitrates[ridx]; | |
3450 | if (rate == srate->bitrate) { | |
3451 | mask |= 1 << ridx; | |
3452 | break; | |
3453 | } | |
3454 | } | |
3455 | if (ridx == sband->n_bitrates) | |
3456 | return 0; /* rate not found */ | |
3457 | } | |
3458 | ||
3459 | return mask; | |
3460 | } | |
3461 | ||
3462 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, | |
3463 | u8 *rates, u8 rates_len, | |
3464 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
3465 | { | |
3466 | u8 i; | |
3467 | ||
3468 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
3469 | ||
3470 | for (i = 0; i < rates_len; i++) { | |
3471 | int ridx, rbit; | |
3472 | ||
3473 | ridx = rates[i] / 8; | |
3474 | rbit = BIT(rates[i] % 8); | |
3475 | ||
3476 | /* check validity */ | |
3477 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) | |
3478 | return false; | |
3479 | ||
3480 | /* check availability */ | |
3481 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
3482 | mcs[ridx] |= rbit; | |
3483 | else | |
3484 | return false; | |
3485 | } | |
3486 | ||
3487 | return true; | |
3488 | } | |
3489 | ||
3490 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) | |
3491 | { | |
3492 | u16 mcs_mask = 0; | |
3493 | ||
3494 | switch (vht_mcs_map) { | |
3495 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
3496 | break; | |
3497 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
3498 | mcs_mask = 0x00FF; | |
3499 | break; | |
3500 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
3501 | mcs_mask = 0x01FF; | |
3502 | break; | |
3503 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
3504 | mcs_mask = 0x03FF; | |
3505 | break; | |
3506 | default: | |
3507 | break; | |
3508 | } | |
3509 | ||
3510 | return mcs_mask; | |
3511 | } | |
3512 | ||
3513 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
3514 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
3515 | { | |
3516 | u8 nss; | |
3517 | ||
3518 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
3519 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
3520 | vht_mcs_map >>= 2; | |
3521 | } | |
3522 | } | |
3523 | ||
3524 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
3525 | struct nl80211_txrate_vht *txrate, | |
3526 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
3527 | { | |
3528 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3529 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
3530 | u8 i; | |
3531 | ||
3532 | if (!sband->vht_cap.vht_supported) | |
3533 | return false; | |
3534 | ||
3535 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
3536 | ||
3537 | /* Build vht_mcs_mask from VHT capabilities */ | |
3538 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
3539 | ||
3540 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
3541 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
3542 | mcs[i] = txrate->mcs[i]; | |
3543 | else | |
3544 | return false; | |
3545 | } | |
3546 | ||
3547 | return true; | |
3548 | } | |
3549 | ||
3550 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { | |
3551 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, | |
3552 | .len = NL80211_MAX_SUPP_RATES }, | |
3553 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, | |
3554 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
3555 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, | |
3556 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, | |
3557 | }; | |
3558 | ||
3559 | static int nl80211_parse_tx_bitrate_mask(struct genl_info *info, | |
3560 | struct cfg80211_bitrate_mask *mask) | |
3561 | { | |
3562 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
3563 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3564 | int rem, i; | |
3565 | struct nlattr *tx_rates; | |
3566 | struct ieee80211_supported_band *sband; | |
3567 | u16 vht_tx_mcs_map; | |
3568 | ||
3569 | memset(mask, 0, sizeof(*mask)); | |
3570 | /* Default to all rates enabled */ | |
3571 | for (i = 0; i < NUM_NL80211_BANDS; i++) { | |
3572 | sband = rdev->wiphy.bands[i]; | |
3573 | ||
3574 | if (!sband) | |
3575 | continue; | |
3576 | ||
3577 | mask->control[i].legacy = (1 << sband->n_bitrates) - 1; | |
3578 | memcpy(mask->control[i].ht_mcs, | |
3579 | sband->ht_cap.mcs.rx_mask, | |
3580 | sizeof(mask->control[i].ht_mcs)); | |
3581 | ||
3582 | if (!sband->vht_cap.vht_supported) | |
3583 | continue; | |
3584 | ||
3585 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3586 | vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs); | |
3587 | } | |
3588 | ||
3589 | /* if no rates are given set it back to the defaults */ | |
3590 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
3591 | goto out; | |
3592 | ||
3593 | /* The nested attribute uses enum nl80211_band as the index. This maps | |
3594 | * directly to the enum nl80211_band values used in cfg80211. | |
3595 | */ | |
3596 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); | |
3597 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { | |
3598 | enum nl80211_band band = nla_type(tx_rates); | |
3599 | int err; | |
3600 | ||
3601 | if (band < 0 || band >= NUM_NL80211_BANDS) | |
3602 | return -EINVAL; | |
3603 | sband = rdev->wiphy.bands[band]; | |
3604 | if (sband == NULL) | |
3605 | return -EINVAL; | |
bfe2c7b1 | 3606 | err = nla_parse_nested(tb, NL80211_TXRATE_MAX, tx_rates, |
fe52145f | 3607 | nl80211_txattr_policy, info->extack); |
a7c7fbff PK |
3608 | if (err) |
3609 | return err; | |
3610 | if (tb[NL80211_TXRATE_LEGACY]) { | |
3611 | mask->control[band].legacy = rateset_to_mask( | |
3612 | sband, | |
3613 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
3614 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
3615 | if ((mask->control[band].legacy == 0) && | |
3616 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
3617 | return -EINVAL; | |
3618 | } | |
3619 | if (tb[NL80211_TXRATE_HT]) { | |
3620 | if (!ht_rateset_to_mask( | |
3621 | sband, | |
3622 | nla_data(tb[NL80211_TXRATE_HT]), | |
3623 | nla_len(tb[NL80211_TXRATE_HT]), | |
3624 | mask->control[band].ht_mcs)) | |
3625 | return -EINVAL; | |
3626 | } | |
3627 | if (tb[NL80211_TXRATE_VHT]) { | |
3628 | if (!vht_set_mcs_mask( | |
3629 | sband, | |
3630 | nla_data(tb[NL80211_TXRATE_VHT]), | |
3631 | mask->control[band].vht_mcs)) | |
3632 | return -EINVAL; | |
3633 | } | |
3634 | if (tb[NL80211_TXRATE_GI]) { | |
3635 | mask->control[band].gi = | |
3636 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
3637 | if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
3638 | return -EINVAL; | |
3639 | } | |
3640 | ||
3641 | if (mask->control[band].legacy == 0) { | |
3642 | /* don't allow empty legacy rates if HT or VHT | |
3643 | * are not even supported. | |
3644 | */ | |
3645 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
3646 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
3647 | return -EINVAL; | |
3648 | ||
3649 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
3650 | if (mask->control[band].ht_mcs[i]) | |
3651 | goto out; | |
3652 | ||
3653 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
3654 | if (mask->control[band].vht_mcs[i]) | |
3655 | goto out; | |
3656 | ||
3657 | /* legacy and mcs rates may not be both empty */ | |
3658 | return -EINVAL; | |
3659 | } | |
3660 | } | |
3661 | ||
3662 | out: | |
3663 | return 0; | |
3664 | } | |
3665 | ||
8564e382 JB |
3666 | static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev, |
3667 | enum nl80211_band band, | |
3668 | struct cfg80211_bitrate_mask *beacon_rate) | |
a7c7fbff | 3669 | { |
8564e382 JB |
3670 | u32 count_ht, count_vht, i; |
3671 | u32 rate = beacon_rate->control[band].legacy; | |
a7c7fbff PK |
3672 | |
3673 | /* Allow only one rate */ | |
3674 | if (hweight32(rate) > 1) | |
3675 | return -EINVAL; | |
3676 | ||
3677 | count_ht = 0; | |
3678 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
8564e382 | 3679 | if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) { |
a7c7fbff | 3680 | return -EINVAL; |
8564e382 | 3681 | } else if (beacon_rate->control[band].ht_mcs[i]) { |
a7c7fbff PK |
3682 | count_ht++; |
3683 | if (count_ht > 1) | |
3684 | return -EINVAL; | |
3685 | } | |
3686 | if (count_ht && rate) | |
3687 | return -EINVAL; | |
3688 | } | |
3689 | ||
3690 | count_vht = 0; | |
3691 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8564e382 | 3692 | if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) { |
a7c7fbff | 3693 | return -EINVAL; |
8564e382 | 3694 | } else if (beacon_rate->control[band].vht_mcs[i]) { |
a7c7fbff PK |
3695 | count_vht++; |
3696 | if (count_vht > 1) | |
3697 | return -EINVAL; | |
3698 | } | |
3699 | if (count_vht && rate) | |
3700 | return -EINVAL; | |
3701 | } | |
3702 | ||
3703 | if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht)) | |
3704 | return -EINVAL; | |
3705 | ||
8564e382 JB |
3706 | if (rate && |
3707 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3708 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) | |
3709 | return -EINVAL; | |
3710 | if (count_ht && | |
3711 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3712 | NL80211_EXT_FEATURE_BEACON_RATE_HT)) | |
3713 | return -EINVAL; | |
3714 | if (count_vht && | |
3715 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3716 | NL80211_EXT_FEATURE_BEACON_RATE_VHT)) | |
3717 | return -EINVAL; | |
3718 | ||
a7c7fbff PK |
3719 | return 0; |
3720 | } | |
3721 | ||
a1193be8 | 3722 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3723 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3724 | { |
8860020e | 3725 | bool haveinfo = false; |
ed1b6cc7 | 3726 | |
a1193be8 SW |
3727 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3728 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3729 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3730 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3731 | return -EINVAL; |
3732 | ||
8860020e | 3733 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3734 | |
a1193be8 SW |
3735 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3736 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3737 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3738 | if (!bcn->head_len) |
3739 | return -EINVAL; | |
3740 | haveinfo = true; | |
ed1b6cc7 JB |
3741 | } |
3742 | ||
a1193be8 SW |
3743 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3744 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3745 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3746 | haveinfo = true; |
ed1b6cc7 JB |
3747 | } |
3748 | ||
4c476991 JB |
3749 | if (!haveinfo) |
3750 | return -EINVAL; | |
3b85875a | 3751 | |
a1193be8 SW |
3752 | if (attrs[NL80211_ATTR_IE]) { |
3753 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3754 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3755 | } |
3756 | ||
a1193be8 | 3757 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3758 | bcn->proberesp_ies = |
a1193be8 | 3759 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3760 | bcn->proberesp_ies_len = |
a1193be8 | 3761 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3762 | } |
3763 | ||
a1193be8 | 3764 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3765 | bcn->assocresp_ies = |
a1193be8 | 3766 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3767 | bcn->assocresp_ies_len = |
a1193be8 | 3768 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3769 | } |
3770 | ||
a1193be8 SW |
3771 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3772 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3773 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3774 | } |
3775 | ||
8860020e JB |
3776 | return 0; |
3777 | } | |
3778 | ||
66cd794e JB |
3779 | static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, |
3780 | const u8 *rates) | |
3781 | { | |
3782 | int i; | |
3783 | ||
3784 | if (!rates) | |
3785 | return; | |
3786 | ||
3787 | for (i = 0; i < rates[1]; i++) { | |
3788 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY) | |
3789 | params->ht_required = true; | |
3790 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY) | |
3791 | params->vht_required = true; | |
3792 | } | |
3793 | } | |
3794 | ||
3795 | /* | |
3796 | * Since the nl80211 API didn't include, from the beginning, attributes about | |
3797 | * HT/VHT requirements/capabilities, we parse them out of the IEs for the | |
3798 | * benefit of drivers that rebuild IEs in the firmware. | |
3799 | */ | |
3800 | static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params) | |
3801 | { | |
3802 | const struct cfg80211_beacon_data *bcn = ¶ms->beacon; | |
ba83bfb1 IM |
3803 | size_t ies_len = bcn->tail_len; |
3804 | const u8 *ies = bcn->tail; | |
66cd794e JB |
3805 | const u8 *rates; |
3806 | const u8 *cap; | |
3807 | ||
3808 | rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len); | |
3809 | nl80211_check_ap_rate_selectors(params, rates); | |
3810 | ||
3811 | rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len); | |
3812 | nl80211_check_ap_rate_selectors(params, rates); | |
3813 | ||
3814 | cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len); | |
3815 | if (cap && cap[1] >= sizeof(*params->ht_cap)) | |
3816 | params->ht_cap = (void *)(cap + 2); | |
3817 | cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len); | |
3818 | if (cap && cap[1] >= sizeof(*params->vht_cap)) | |
3819 | params->vht_cap = (void *)(cap + 2); | |
3820 | } | |
3821 | ||
46c1dd0c FF |
3822 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3823 | struct cfg80211_ap_settings *params) | |
3824 | { | |
3825 | struct wireless_dev *wdev; | |
3826 | bool ret = false; | |
3827 | ||
53873f13 | 3828 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
46c1dd0c FF |
3829 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3830 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3831 | continue; | |
3832 | ||
683b6d3b | 3833 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3834 | continue; |
3835 | ||
683b6d3b | 3836 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3837 | ret = true; |
3838 | break; | |
3839 | } | |
3840 | ||
46c1dd0c FF |
3841 | return ret; |
3842 | } | |
3843 | ||
e39e5b5e JM |
3844 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3845 | enum nl80211_auth_type auth_type, | |
3846 | enum nl80211_commands cmd) | |
3847 | { | |
3848 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3849 | return false; | |
3850 | ||
3851 | switch (cmd) { | |
3852 | case NL80211_CMD_AUTHENTICATE: | |
3853 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3854 | auth_type == NL80211_AUTHTYPE_SAE) | |
3855 | return false; | |
63181060 JM |
3856 | if (!wiphy_ext_feature_isset(&rdev->wiphy, |
3857 | NL80211_EXT_FEATURE_FILS_STA) && | |
3858 | (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
3859 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3860 | auth_type == NL80211_AUTHTYPE_FILS_PK)) | |
3861 | return false; | |
e39e5b5e JM |
3862 | return true; |
3863 | case NL80211_CMD_CONNECT: | |
a3caf744 VK |
3864 | /* SAE not supported yet */ |
3865 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3866 | return false; | |
3867 | /* FILS with SK PFS or PK not supported yet */ | |
3868 | if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3869 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
3870 | return false; | |
3871 | if (!wiphy_ext_feature_isset( | |
3872 | &rdev->wiphy, | |
3873 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) && | |
3874 | auth_type == NL80211_AUTHTYPE_FILS_SK) | |
3875 | return false; | |
3876 | return true; | |
e39e5b5e JM |
3877 | case NL80211_CMD_START_AP: |
3878 | /* SAE not supported yet */ | |
3879 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3880 | return false; | |
63181060 JM |
3881 | /* FILS not supported yet */ |
3882 | if (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
3883 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3884 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
3885 | return false; | |
e39e5b5e JM |
3886 | return true; |
3887 | default: | |
3888 | return false; | |
3889 | } | |
3890 | } | |
3891 | ||
8860020e JB |
3892 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3893 | { | |
3894 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3895 | struct net_device *dev = info->user_ptr[1]; | |
3896 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3897 | struct cfg80211_ap_settings params; | |
3898 | int err; | |
3899 | ||
3900 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3901 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3902 | return -EOPNOTSUPP; | |
3903 | ||
3904 | if (!rdev->ops->start_ap) | |
3905 | return -EOPNOTSUPP; | |
3906 | ||
3907 | if (wdev->beacon_interval) | |
3908 | return -EALREADY; | |
3909 | ||
3910 | memset(¶ms, 0, sizeof(params)); | |
3911 | ||
3912 | /* these are required for START_AP */ | |
3913 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3914 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3915 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3916 | return -EINVAL; | |
3917 | ||
a1193be8 | 3918 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3919 | if (err) |
3920 | return err; | |
3921 | ||
3922 | params.beacon_interval = | |
3923 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3924 | params.dtim_period = | |
3925 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3926 | ||
0c317a02 PK |
3927 | err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype, |
3928 | params.beacon_interval); | |
8860020e JB |
3929 | if (err) |
3930 | return err; | |
3931 | ||
3932 | /* | |
3933 | * In theory, some of these attributes should be required here | |
3934 | * but since they were not used when the command was originally | |
3935 | * added, keep them optional for old user space programs to let | |
3936 | * them continue to work with drivers that do not need the | |
3937 | * additional information -- drivers must check! | |
3938 | */ | |
3939 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3940 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3941 | params.ssid_len = | |
3942 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3943 | if (params.ssid_len == 0 || | |
3944 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3945 | return -EINVAL; | |
3946 | } | |
3947 | ||
3948 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3949 | params.hidden_ssid = nla_get_u32( | |
3950 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3951 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3952 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3953 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3954 | return -EINVAL; | |
3955 | } | |
3956 | ||
3957 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3958 | ||
3959 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3960 | params.auth_type = nla_get_u32( | |
3961 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3962 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3963 | NL80211_CMD_START_AP)) | |
8860020e JB |
3964 | return -EINVAL; |
3965 | } else | |
3966 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3967 | ||
3968 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3969 | NL80211_MAX_NR_CIPHER_SUITES); | |
3970 | if (err) | |
3971 | return err; | |
3972 | ||
1b658f11 VT |
3973 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3974 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3975 | return -EOPNOTSUPP; | |
3976 | params.inactivity_timeout = nla_get_u16( | |
3977 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3978 | } | |
3979 | ||
53cabad7 JB |
3980 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3981 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3982 | return -EINVAL; | |
3983 | params.p2p_ctwindow = | |
3984 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3985 | if (params.p2p_ctwindow > 127) | |
3986 | return -EINVAL; | |
3987 | if (params.p2p_ctwindow != 0 && | |
3988 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3989 | return -EINVAL; | |
3990 | } | |
3991 | ||
3992 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3993 | u8 tmp; | |
3994 | ||
3995 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3996 | return -EINVAL; | |
3997 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3998 | if (tmp > 1) | |
3999 | return -EINVAL; | |
4000 | params.p2p_opp_ps = tmp; | |
4001 | if (params.p2p_opp_ps != 0 && | |
4002 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4003 | return -EINVAL; | |
4004 | } | |
4005 | ||
aa430da4 | 4006 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
4007 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
4008 | if (err) | |
4009 | return err; | |
4010 | } else if (wdev->preset_chandef.chan) { | |
4011 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 4012 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
4013 | return -EINVAL; |
4014 | ||
923b352f AN |
4015 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
4016 | wdev->iftype)) | |
aa430da4 JB |
4017 | return -EINVAL; |
4018 | ||
a7c7fbff PK |
4019 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
4020 | err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate); | |
4021 | if (err) | |
4022 | return err; | |
4023 | ||
8564e382 JB |
4024 | err = validate_beacon_tx_rate(rdev, params.chandef.chan->band, |
4025 | ¶ms.beacon_rate); | |
a7c7fbff PK |
4026 | if (err) |
4027 | return err; | |
4028 | } | |
4029 | ||
18998c38 EP |
4030 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
4031 | params.smps_mode = | |
4032 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
4033 | switch (params.smps_mode) { | |
4034 | case NL80211_SMPS_OFF: | |
4035 | break; | |
4036 | case NL80211_SMPS_STATIC: | |
4037 | if (!(rdev->wiphy.features & | |
4038 | NL80211_FEATURE_STATIC_SMPS)) | |
4039 | return -EINVAL; | |
4040 | break; | |
4041 | case NL80211_SMPS_DYNAMIC: | |
4042 | if (!(rdev->wiphy.features & | |
4043 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
4044 | return -EINVAL; | |
4045 | break; | |
4046 | default: | |
4047 | return -EINVAL; | |
4048 | } | |
4049 | } else { | |
4050 | params.smps_mode = NL80211_SMPS_OFF; | |
4051 | } | |
4052 | ||
6e8ef842 PK |
4053 | params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
4054 | if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) | |
4055 | return -EOPNOTSUPP; | |
4056 | ||
4baf6bea OO |
4057 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
4058 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
4059 | if (IS_ERR(params.acl)) | |
4060 | return PTR_ERR(params.acl); | |
4061 | } | |
4062 | ||
66cd794e JB |
4063 | nl80211_calculate_ap_params(¶ms); |
4064 | ||
c56589ed | 4065 | wdev_lock(wdev); |
e35e4d28 | 4066 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 4067 | if (!err) { |
683b6d3b | 4068 | wdev->preset_chandef = params.chandef; |
8860020e | 4069 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 4070 | wdev->chandef = params.chandef; |
06e191e2 AQ |
4071 | wdev->ssid_len = params.ssid_len; |
4072 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 4073 | } |
c56589ed | 4074 | wdev_unlock(wdev); |
77765eaf VT |
4075 | |
4076 | kfree(params.acl); | |
4077 | ||
56d1893d | 4078 | return err; |
ed1b6cc7 JB |
4079 | } |
4080 | ||
8860020e JB |
4081 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
4082 | { | |
4083 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4084 | struct net_device *dev = info->user_ptr[1]; | |
4085 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
4086 | struct cfg80211_beacon_data params; | |
4087 | int err; | |
4088 | ||
4089 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4090 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4091 | return -EOPNOTSUPP; | |
4092 | ||
4093 | if (!rdev->ops->change_beacon) | |
4094 | return -EOPNOTSUPP; | |
4095 | ||
4096 | if (!wdev->beacon_interval) | |
4097 | return -EINVAL; | |
4098 | ||
a1193be8 | 4099 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
4100 | if (err) |
4101 | return err; | |
4102 | ||
c56589ed SW |
4103 | wdev_lock(wdev); |
4104 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
4105 | wdev_unlock(wdev); | |
4106 | ||
4107 | return err; | |
8860020e JB |
4108 | } |
4109 | ||
4110 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 4111 | { |
4c476991 JB |
4112 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4113 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 4114 | |
7c8d5e03 | 4115 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
4116 | } |
4117 | ||
5727ef1b JB |
4118 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
4119 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
4120 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
4121 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 4122 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 4123 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 4124 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
4125 | }; |
4126 | ||
eccb8e8f | 4127 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 4128 | enum nl80211_iftype iftype, |
eccb8e8f | 4129 | struct station_parameters *params) |
5727ef1b JB |
4130 | { |
4131 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 4132 | struct nlattr *nla; |
5727ef1b JB |
4133 | int flag; |
4134 | ||
eccb8e8f JB |
4135 | /* |
4136 | * Try parsing the new attribute first so userspace | |
4137 | * can specify both for older kernels. | |
4138 | */ | |
4139 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
4140 | if (nla) { | |
4141 | struct nl80211_sta_flag_update *sta_flags; | |
4142 | ||
4143 | sta_flags = nla_data(nla); | |
4144 | params->sta_flags_mask = sta_flags->mask; | |
4145 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 4146 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
4147 | if ((params->sta_flags_mask | |
4148 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
4149 | return -EINVAL; | |
4150 | return 0; | |
4151 | } | |
4152 | ||
4153 | /* if present, parse the old attribute */ | |
5727ef1b | 4154 | |
eccb8e8f | 4155 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
4156 | if (!nla) |
4157 | return 0; | |
4158 | ||
fceb6435 | 4159 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, nla, |
fe52145f | 4160 | sta_flags_policy, info->extack)) |
5727ef1b JB |
4161 | return -EINVAL; |
4162 | ||
bdd3ae3d JB |
4163 | /* |
4164 | * Only allow certain flags for interface types so that | |
4165 | * other attributes are silently ignored. Remember that | |
4166 | * this is backward compatibility code with old userspace | |
4167 | * and shouldn't be hit in other cases anyway. | |
4168 | */ | |
4169 | switch (iftype) { | |
4170 | case NL80211_IFTYPE_AP: | |
4171 | case NL80211_IFTYPE_AP_VLAN: | |
4172 | case NL80211_IFTYPE_P2P_GO: | |
4173 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4174 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4175 | BIT(NL80211_STA_FLAG_WME) | | |
4176 | BIT(NL80211_STA_FLAG_MFP); | |
4177 | break; | |
4178 | case NL80211_IFTYPE_P2P_CLIENT: | |
4179 | case NL80211_IFTYPE_STATION: | |
4180 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4181 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4182 | break; | |
4183 | case NL80211_IFTYPE_MESH_POINT: | |
4184 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4185 | BIT(NL80211_STA_FLAG_MFP) | | |
4186 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
4187 | default: | |
4188 | return -EINVAL; | |
4189 | } | |
5727ef1b | 4190 | |
3383b5a6 JB |
4191 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
4192 | if (flags[flag]) { | |
eccb8e8f | 4193 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 4194 | |
3383b5a6 JB |
4195 | /* no longer support new API additions in old API */ |
4196 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
4197 | return -EINVAL; | |
4198 | } | |
4199 | } | |
4200 | ||
5727ef1b JB |
4201 | return 0; |
4202 | } | |
4203 | ||
c8dcfd8a FF |
4204 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
4205 | int attr) | |
4206 | { | |
4207 | struct nlattr *rate; | |
8eb41c8d VK |
4208 | u32 bitrate; |
4209 | u16 bitrate_compat; | |
bbf67e45 | 4210 | enum nl80211_rate_info rate_flg; |
c8dcfd8a FF |
4211 | |
4212 | rate = nla_nest_start(msg, attr); | |
4213 | if (!rate) | |
db9c64cf | 4214 | return false; |
c8dcfd8a FF |
4215 | |
4216 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
4217 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
4218 | /* report 16-bit bitrate only if we can */ |
4219 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
4220 | if (bitrate > 0 && |
4221 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
4222 | return false; | |
4223 | if (bitrate_compat > 0 && | |
4224 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
4225 | return false; | |
4226 | ||
b51f3bee JB |
4227 | switch (info->bw) { |
4228 | case RATE_INFO_BW_5: | |
4229 | rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH; | |
4230 | break; | |
4231 | case RATE_INFO_BW_10: | |
4232 | rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH; | |
4233 | break; | |
4234 | default: | |
4235 | WARN_ON(1); | |
4236 | /* fall through */ | |
4237 | case RATE_INFO_BW_20: | |
4238 | rate_flg = 0; | |
4239 | break; | |
4240 | case RATE_INFO_BW_40: | |
4241 | rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH; | |
4242 | break; | |
4243 | case RATE_INFO_BW_80: | |
4244 | rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH; | |
4245 | break; | |
4246 | case RATE_INFO_BW_160: | |
4247 | rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH; | |
4248 | break; | |
4249 | } | |
4250 | ||
4251 | if (rate_flg && nla_put_flag(msg, rate_flg)) | |
4252 | return false; | |
4253 | ||
db9c64cf JB |
4254 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
4255 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
4256 | return false; | |
db9c64cf JB |
4257 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4258 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4259 | return false; | |
4260 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
4261 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
4262 | return false; | |
4263 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
4264 | return false; | |
db9c64cf JB |
4265 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4266 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4267 | return false; | |
4268 | } | |
c8dcfd8a FF |
4269 | |
4270 | nla_nest_end(msg, rate); | |
4271 | return true; | |
c8dcfd8a FF |
4272 | } |
4273 | ||
119363c7 FF |
4274 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
4275 | int id) | |
4276 | { | |
4277 | void *attr; | |
4278 | int i = 0; | |
4279 | ||
4280 | if (!mask) | |
4281 | return true; | |
4282 | ||
4283 | attr = nla_nest_start(msg, id); | |
4284 | if (!attr) | |
4285 | return false; | |
4286 | ||
4287 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
4288 | if (!(mask & BIT(i))) | |
4289 | continue; | |
4290 | ||
4291 | if (nla_put_u8(msg, i, signal[i])) | |
4292 | return false; | |
4293 | } | |
4294 | ||
4295 | nla_nest_end(msg, attr); | |
4296 | ||
4297 | return true; | |
4298 | } | |
4299 | ||
cf5ead82 JB |
4300 | static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, |
4301 | u32 seq, int flags, | |
66266b3a JL |
4302 | struct cfg80211_registered_device *rdev, |
4303 | struct net_device *dev, | |
98b62183 | 4304 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
4305 | { |
4306 | void *hdr; | |
f4263c98 | 4307 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 4308 | |
cf5ead82 | 4309 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
fd5b74dc JB |
4310 | if (!hdr) |
4311 | return -1; | |
4312 | ||
9360ffd1 DM |
4313 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4314 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
4315 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
4316 | goto nla_put_failure; | |
f5ea9120 | 4317 | |
2ec600d6 LCC |
4318 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
4319 | if (!sinfoattr) | |
fd5b74dc | 4320 | goto nla_put_failure; |
319090bf JB |
4321 | |
4322 | #define PUT_SINFO(attr, memb, type) do { \ | |
d686b920 | 4323 | BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \ |
739960f1 | 4324 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ |
319090bf JB |
4325 | nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ |
4326 | sinfo->memb)) \ | |
4327 | goto nla_put_failure; \ | |
4328 | } while (0) | |
d686b920 JB |
4329 | #define PUT_SINFO_U64(attr, memb) do { \ |
4330 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ | |
4331 | nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \ | |
4332 | sinfo->memb, NL80211_STA_INFO_PAD)) \ | |
4333 | goto nla_put_failure; \ | |
4334 | } while (0) | |
319090bf JB |
4335 | |
4336 | PUT_SINFO(CONNECTED_TIME, connected_time, u32); | |
4337 | PUT_SINFO(INACTIVE_TIME, inactive_time, u32); | |
4338 | ||
4339 | if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) | | |
4340 | BIT(NL80211_STA_INFO_RX_BYTES64)) && | |
9360ffd1 | 4341 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 4342 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 4343 | goto nla_put_failure; |
319090bf JB |
4344 | |
4345 | if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) | | |
4346 | BIT(NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 4347 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
4348 | (u32)sinfo->tx_bytes)) |
4349 | goto nla_put_failure; | |
319090bf | 4350 | |
d686b920 JB |
4351 | PUT_SINFO_U64(RX_BYTES64, rx_bytes); |
4352 | PUT_SINFO_U64(TX_BYTES64, tx_bytes); | |
319090bf JB |
4353 | PUT_SINFO(LLID, llid, u16); |
4354 | PUT_SINFO(PLID, plid, u16); | |
4355 | PUT_SINFO(PLINK_STATE, plink_state, u8); | |
d686b920 | 4356 | PUT_SINFO_U64(RX_DURATION, rx_duration); |
319090bf | 4357 | |
66266b3a JL |
4358 | switch (rdev->wiphy.signal_type) { |
4359 | case CFG80211_SIGNAL_TYPE_MBM: | |
319090bf JB |
4360 | PUT_SINFO(SIGNAL, signal, u8); |
4361 | PUT_SINFO(SIGNAL_AVG, signal_avg, u8); | |
66266b3a JL |
4362 | break; |
4363 | default: | |
4364 | break; | |
4365 | } | |
319090bf | 4366 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) { |
119363c7 FF |
4367 | if (!nl80211_put_signal(msg, sinfo->chains, |
4368 | sinfo->chain_signal, | |
4369 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
4370 | goto nla_put_failure; | |
4371 | } | |
319090bf | 4372 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { |
119363c7 FF |
4373 | if (!nl80211_put_signal(msg, sinfo->chains, |
4374 | sinfo->chain_signal_avg, | |
4375 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
4376 | goto nla_put_failure; | |
4377 | } | |
319090bf | 4378 | if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) { |
c8dcfd8a FF |
4379 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
4380 | NL80211_STA_INFO_TX_BITRATE)) | |
4381 | goto nla_put_failure; | |
4382 | } | |
319090bf | 4383 | if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) { |
c8dcfd8a FF |
4384 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
4385 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 4386 | goto nla_put_failure; |
420e7fab | 4387 | } |
319090bf JB |
4388 | |
4389 | PUT_SINFO(RX_PACKETS, rx_packets, u32); | |
4390 | PUT_SINFO(TX_PACKETS, tx_packets, u32); | |
4391 | PUT_SINFO(TX_RETRIES, tx_retries, u32); | |
4392 | PUT_SINFO(TX_FAILED, tx_failed, u32); | |
4393 | PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); | |
4394 | PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); | |
4395 | PUT_SINFO(LOCAL_PM, local_pm, u32); | |
4396 | PUT_SINFO(PEER_PM, peer_pm, u32); | |
4397 | PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); | |
4398 | ||
4399 | if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) { | |
f4263c98 PS |
4400 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); |
4401 | if (!bss_param) | |
4402 | goto nla_put_failure; | |
4403 | ||
9360ffd1 DM |
4404 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
4405 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
4406 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
4407 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
4408 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
4409 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
4410 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
4411 | sinfo->bss_param.dtim_period) || | |
4412 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
4413 | sinfo->bss_param.beacon_interval)) | |
4414 | goto nla_put_failure; | |
f4263c98 PS |
4415 | |
4416 | nla_nest_end(msg, bss_param); | |
4417 | } | |
319090bf | 4418 | if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) && |
9360ffd1 DM |
4419 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, |
4420 | sizeof(struct nl80211_sta_flag_update), | |
4421 | &sinfo->sta_flags)) | |
4422 | goto nla_put_failure; | |
319090bf | 4423 | |
d686b920 JB |
4424 | PUT_SINFO_U64(T_OFFSET, t_offset); |
4425 | PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); | |
4426 | PUT_SINFO_U64(BEACON_RX, rx_beacon); | |
a76b1942 | 4427 | PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); |
319090bf JB |
4428 | |
4429 | #undef PUT_SINFO | |
d686b920 | 4430 | #undef PUT_SINFO_U64 |
6de39808 JB |
4431 | |
4432 | if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) { | |
4433 | struct nlattr *tidsattr; | |
4434 | int tid; | |
4435 | ||
4436 | tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS); | |
4437 | if (!tidsattr) | |
4438 | goto nla_put_failure; | |
4439 | ||
4440 | for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { | |
4441 | struct cfg80211_tid_stats *tidstats; | |
4442 | struct nlattr *tidattr; | |
4443 | ||
4444 | tidstats = &sinfo->pertid[tid]; | |
4445 | ||
4446 | if (!tidstats->filled) | |
4447 | continue; | |
4448 | ||
4449 | tidattr = nla_nest_start(msg, tid + 1); | |
4450 | if (!tidattr) | |
4451 | goto nla_put_failure; | |
4452 | ||
d686b920 | 4453 | #define PUT_TIDVAL_U64(attr, memb) do { \ |
6de39808 | 4454 | if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ |
d686b920 JB |
4455 | nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \ |
4456 | tidstats->memb, NL80211_TID_STATS_PAD)) \ | |
6de39808 JB |
4457 | goto nla_put_failure; \ |
4458 | } while (0) | |
4459 | ||
d686b920 JB |
4460 | PUT_TIDVAL_U64(RX_MSDU, rx_msdu); |
4461 | PUT_TIDVAL_U64(TX_MSDU, tx_msdu); | |
4462 | PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries); | |
4463 | PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed); | |
6de39808 | 4464 | |
d686b920 | 4465 | #undef PUT_TIDVAL_U64 |
6de39808 JB |
4466 | nla_nest_end(msg, tidattr); |
4467 | } | |
4468 | ||
4469 | nla_nest_end(msg, tidsattr); | |
4470 | } | |
4471 | ||
2ec600d6 | 4472 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 4473 | |
319090bf | 4474 | if (sinfo->assoc_req_ies_len && |
9360ffd1 DM |
4475 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
4476 | sinfo->assoc_req_ies)) | |
4477 | goto nla_put_failure; | |
50d3dfb7 | 4478 | |
053c095a JB |
4479 | genlmsg_end(msg, hdr); |
4480 | return 0; | |
fd5b74dc JB |
4481 | |
4482 | nla_put_failure: | |
bc3ed28c TG |
4483 | genlmsg_cancel(msg, hdr); |
4484 | return -EMSGSIZE; | |
fd5b74dc JB |
4485 | } |
4486 | ||
2ec600d6 | 4487 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 4488 | struct netlink_callback *cb) |
2ec600d6 | 4489 | { |
2ec600d6 | 4490 | struct station_info sinfo; |
1b8ec87a | 4491 | struct cfg80211_registered_device *rdev; |
97990a06 | 4492 | struct wireless_dev *wdev; |
2ec600d6 | 4493 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 4494 | int sta_idx = cb->args[2]; |
2ec600d6 | 4495 | int err; |
2ec600d6 | 4496 | |
ea90e0dc | 4497 | rtnl_lock(); |
1b8ec87a | 4498 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 | 4499 | if (err) |
ea90e0dc | 4500 | goto out_err; |
bba95fef | 4501 | |
97990a06 JB |
4502 | if (!wdev->netdev) { |
4503 | err = -EINVAL; | |
4504 | goto out_err; | |
4505 | } | |
4506 | ||
1b8ec87a | 4507 | if (!rdev->ops->dump_station) { |
eec60b03 | 4508 | err = -EOPNOTSUPP; |
bba95fef JB |
4509 | goto out_err; |
4510 | } | |
4511 | ||
bba95fef | 4512 | while (1) { |
f612cedf | 4513 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 4514 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 4515 | mac_addr, &sinfo); |
bba95fef JB |
4516 | if (err == -ENOENT) |
4517 | break; | |
4518 | if (err) | |
3b85875a | 4519 | goto out_err; |
bba95fef | 4520 | |
cf5ead82 | 4521 | if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, |
15e47304 | 4522 | NETLINK_CB(cb->skb).portid, |
bba95fef | 4523 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 4524 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
4525 | &sinfo) < 0) |
4526 | goto out; | |
4527 | ||
4528 | sta_idx++; | |
4529 | } | |
4530 | ||
bba95fef | 4531 | out: |
97990a06 | 4532 | cb->args[2] = sta_idx; |
bba95fef | 4533 | err = skb->len; |
bba95fef | 4534 | out_err: |
ea90e0dc | 4535 | rtnl_unlock(); |
bba95fef JB |
4536 | |
4537 | return err; | |
2ec600d6 | 4538 | } |
fd5b74dc | 4539 | |
5727ef1b JB |
4540 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
4541 | { | |
4c476991 JB |
4542 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4543 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 4544 | struct station_info sinfo; |
fd5b74dc JB |
4545 | struct sk_buff *msg; |
4546 | u8 *mac_addr = NULL; | |
4c476991 | 4547 | int err; |
fd5b74dc | 4548 | |
2ec600d6 | 4549 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
4550 | |
4551 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4552 | return -EINVAL; | |
4553 | ||
4554 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4555 | ||
4c476991 JB |
4556 | if (!rdev->ops->get_station) |
4557 | return -EOPNOTSUPP; | |
3b85875a | 4558 | |
e35e4d28 | 4559 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 4560 | if (err) |
4c476991 | 4561 | return err; |
2ec600d6 | 4562 | |
fd2120ca | 4563 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 4564 | if (!msg) |
4c476991 | 4565 | return -ENOMEM; |
fd5b74dc | 4566 | |
cf5ead82 JB |
4567 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, |
4568 | info->snd_portid, info->snd_seq, 0, | |
66266b3a | 4569 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
4570 | nlmsg_free(msg); |
4571 | return -ENOBUFS; | |
4572 | } | |
3b85875a | 4573 | |
4c476991 | 4574 | return genlmsg_reply(msg, info); |
5727ef1b JB |
4575 | } |
4576 | ||
77ee7c89 JB |
4577 | int cfg80211_check_station_change(struct wiphy *wiphy, |
4578 | struct station_parameters *params, | |
4579 | enum cfg80211_station_type statype) | |
4580 | { | |
e4208427 AB |
4581 | if (params->listen_interval != -1 && |
4582 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 | 4583 | return -EINVAL; |
e4208427 | 4584 | |
17b94247 AB |
4585 | if (params->support_p2p_ps != -1 && |
4586 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
4587 | return -EINVAL; | |
4588 | ||
c72e1140 | 4589 | if (params->aid && |
e4208427 AB |
4590 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && |
4591 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 JB |
4592 | return -EINVAL; |
4593 | ||
4594 | /* When you run into this, adjust the code below for the new flag */ | |
4595 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4596 | ||
4597 | switch (statype) { | |
eef941e6 TP |
4598 | case CFG80211_STA_MESH_PEER_KERNEL: |
4599 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
4600 | /* |
4601 | * No ignoring the TDLS flag here -- the userspace mesh | |
4602 | * code doesn't have the bug of including TDLS in the | |
4603 | * mask everywhere. | |
4604 | */ | |
4605 | if (params->sta_flags_mask & | |
4606 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4607 | BIT(NL80211_STA_FLAG_MFP) | | |
4608 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4609 | return -EINVAL; | |
4610 | break; | |
4611 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4612 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4613 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4614 | return -EINVAL; | |
4615 | /* ignore since it can't change */ | |
4616 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4617 | break; | |
4618 | default: | |
4619 | /* disallow mesh-specific things */ | |
4620 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
4621 | return -EINVAL; | |
4622 | if (params->local_pm) | |
4623 | return -EINVAL; | |
4624 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
4625 | return -EINVAL; | |
4626 | } | |
4627 | ||
4628 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
4629 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
4630 | /* TDLS can't be set, ... */ | |
4631 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4632 | return -EINVAL; | |
4633 | /* | |
4634 | * ... but don't bother the driver with it. This works around | |
4635 | * a hostapd/wpa_supplicant issue -- it always includes the | |
4636 | * TLDS_PEER flag in the mask even for AP mode. | |
4637 | */ | |
4638 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4639 | } | |
4640 | ||
47edb11b AB |
4641 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && |
4642 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4643 | /* reject other things that can't change */ |
4644 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
4645 | return -EINVAL; | |
4646 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
4647 | return -EINVAL; | |
4648 | if (params->supported_rates) | |
4649 | return -EINVAL; | |
4650 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
4651 | return -EINVAL; | |
4652 | } | |
4653 | ||
47edb11b AB |
4654 | if (statype != CFG80211_STA_AP_CLIENT && |
4655 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4656 | if (params->vlan) |
4657 | return -EINVAL; | |
4658 | } | |
4659 | ||
4660 | switch (statype) { | |
4661 | case CFG80211_STA_AP_MLME_CLIENT: | |
4662 | /* Use this only for authorizing/unauthorizing a station */ | |
4663 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4664 | return -EOPNOTSUPP; | |
4665 | break; | |
4666 | case CFG80211_STA_AP_CLIENT: | |
47edb11b | 4667 | case CFG80211_STA_AP_CLIENT_UNASSOC: |
77ee7c89 JB |
4668 | /* accept only the listed bits */ |
4669 | if (params->sta_flags_mask & | |
4670 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4671 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4672 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4673 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4674 | BIT(NL80211_STA_FLAG_WME) | | |
4675 | BIT(NL80211_STA_FLAG_MFP))) | |
4676 | return -EINVAL; | |
4677 | ||
4678 | /* but authenticated/associated only if driver handles it */ | |
4679 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4680 | params->sta_flags_mask & | |
4681 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4682 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4683 | return -EINVAL; | |
4684 | break; | |
4685 | case CFG80211_STA_IBSS: | |
4686 | case CFG80211_STA_AP_STA: | |
4687 | /* reject any changes other than AUTHORIZED */ | |
4688 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4689 | return -EINVAL; | |
4690 | break; | |
4691 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4692 | /* reject any changes other than AUTHORIZED or WME */ | |
4693 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4694 | BIT(NL80211_STA_FLAG_WME))) | |
4695 | return -EINVAL; | |
4696 | /* force (at least) rates when authorizing */ | |
4697 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4698 | !params->supported_rates) | |
4699 | return -EINVAL; | |
4700 | break; | |
4701 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4702 | /* reject any changes */ | |
4703 | return -EINVAL; | |
eef941e6 | 4704 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4705 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4706 | return -EINVAL; | |
4707 | break; | |
eef941e6 | 4708 | case CFG80211_STA_MESH_PEER_USER: |
42925040 CYY |
4709 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && |
4710 | params->plink_action != NL80211_PLINK_ACTION_BLOCK) | |
77ee7c89 JB |
4711 | return -EINVAL; |
4712 | break; | |
4713 | } | |
4714 | ||
06f7c88c BL |
4715 | /* |
4716 | * Older kernel versions ignored this attribute entirely, so don't | |
4717 | * reject attempts to update it but mark it as unused instead so the | |
4718 | * driver won't look at the data. | |
4719 | */ | |
4720 | if (statype != CFG80211_STA_AP_CLIENT_UNASSOC && | |
4721 | statype != CFG80211_STA_TDLS_PEER_SETUP) | |
4722 | params->opmode_notif_used = false; | |
4723 | ||
77ee7c89 JB |
4724 | return 0; |
4725 | } | |
4726 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4727 | ||
5727ef1b | 4728 | /* |
c258d2de | 4729 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4730 | */ |
80b99899 JB |
4731 | static struct net_device *get_vlan(struct genl_info *info, |
4732 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4733 | { |
463d0183 | 4734 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4735 | struct net_device *v; |
4736 | int ret; | |
4737 | ||
4738 | if (!vlanattr) | |
4739 | return NULL; | |
4740 | ||
4741 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4742 | if (!v) | |
4743 | return ERR_PTR(-ENODEV); | |
4744 | ||
4745 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4746 | ret = -EINVAL; | |
4747 | goto error; | |
5727ef1b | 4748 | } |
80b99899 | 4749 | |
77ee7c89 JB |
4750 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4751 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4752 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4753 | ret = -EINVAL; | |
4754 | goto error; | |
4755 | } | |
4756 | ||
80b99899 JB |
4757 | if (!netif_running(v)) { |
4758 | ret = -ENETDOWN; | |
4759 | goto error; | |
4760 | } | |
4761 | ||
4762 | return v; | |
4763 | error: | |
4764 | dev_put(v); | |
4765 | return ERR_PTR(ret); | |
5727ef1b JB |
4766 | } |
4767 | ||
94e860f1 JB |
4768 | static const struct nla_policy |
4769 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4770 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4771 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4772 | }; | |
4773 | ||
ff276691 JB |
4774 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4775 | struct station_parameters *params) | |
df881293 | 4776 | { |
df881293 JM |
4777 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4778 | struct nlattr *nla; | |
4779 | int err; | |
4780 | ||
df881293 JM |
4781 | /* parse WME attributes if present */ |
4782 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4783 | return 0; | |
4784 | ||
4785 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4786 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
fe52145f | 4787 | nl80211_sta_wme_policy, info->extack); |
df881293 JM |
4788 | if (err) |
4789 | return err; | |
4790 | ||
4791 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4792 | params->uapsd_queues = nla_get_u8( | |
4793 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4794 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4795 | return -EINVAL; | |
4796 | ||
4797 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4798 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4799 | ||
4800 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4801 | return -EINVAL; | |
4802 | ||
4803 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4804 | ||
4805 | return 0; | |
4806 | } | |
4807 | ||
c01fc9ad SD |
4808 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4809 | struct station_parameters *params) | |
4810 | { | |
4811 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4812 | params->supported_channels = | |
4813 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4814 | params->supported_channels_len = | |
4815 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4816 | /* | |
4817 | * Need to include at least one (first channel, number of | |
4818 | * channels) tuple for each subband, and must have proper | |
4819 | * tuples for the rest of the data as well. | |
4820 | */ | |
4821 | if (params->supported_channels_len < 2) | |
4822 | return -EINVAL; | |
4823 | if (params->supported_channels_len % 2) | |
4824 | return -EINVAL; | |
4825 | } | |
4826 | ||
4827 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4828 | params->supported_oper_classes = | |
4829 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4830 | params->supported_oper_classes_len = | |
4831 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4832 | /* | |
4833 | * The value of the Length field of the Supported Operating | |
4834 | * Classes element is between 2 and 253. | |
4835 | */ | |
4836 | if (params->supported_oper_classes_len < 2 || | |
4837 | params->supported_oper_classes_len > 253) | |
4838 | return -EINVAL; | |
4839 | } | |
4840 | return 0; | |
4841 | } | |
4842 | ||
ff276691 JB |
4843 | static int nl80211_set_station_tdls(struct genl_info *info, |
4844 | struct station_parameters *params) | |
4845 | { | |
c01fc9ad | 4846 | int err; |
ff276691 | 4847 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4848 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4849 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4850 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4851 | params->ht_capa = | |
4852 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4853 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4854 | params->vht_capa = | |
4855 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4856 | ||
c01fc9ad SD |
4857 | err = nl80211_parse_sta_channel_info(info, params); |
4858 | if (err) | |
4859 | return err; | |
4860 | ||
ff276691 JB |
4861 | return nl80211_parse_sta_wme(info, params); |
4862 | } | |
4863 | ||
5727ef1b JB |
4864 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4865 | { | |
4c476991 | 4866 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4867 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4868 | struct station_parameters params; |
77ee7c89 JB |
4869 | u8 *mac_addr; |
4870 | int err; | |
5727ef1b JB |
4871 | |
4872 | memset(¶ms, 0, sizeof(params)); | |
4873 | ||
77ee7c89 JB |
4874 | if (!rdev->ops->change_station) |
4875 | return -EOPNOTSUPP; | |
4876 | ||
e4208427 AB |
4877 | /* |
4878 | * AID and listen_interval properties can be set only for unassociated | |
4879 | * station. Include these parameters here and will check them in | |
4880 | * cfg80211_check_station_change(). | |
4881 | */ | |
a9bc31e4 AB |
4882 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4883 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
e4208427 AB |
4884 | |
4885 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
4886 | params.listen_interval = | |
4887 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
4888 | else | |
4889 | params.listen_interval = -1; | |
5727ef1b | 4890 | |
17b94247 AB |
4891 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4892 | u8 tmp; | |
4893 | ||
4894 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4895 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4896 | return -EINVAL; | |
4897 | ||
4898 | params.support_p2p_ps = tmp; | |
4899 | } else { | |
4900 | params.support_p2p_ps = -1; | |
4901 | } | |
4902 | ||
5727ef1b JB |
4903 | if (!info->attrs[NL80211_ATTR_MAC]) |
4904 | return -EINVAL; | |
4905 | ||
4906 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4907 | ||
4908 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4909 | params.supported_rates = | |
4910 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4911 | params.supported_rates_len = | |
4912 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4913 | } | |
4914 | ||
9d62a986 JM |
4915 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4916 | params.capability = | |
4917 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4918 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4919 | } | |
4920 | ||
4921 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4922 | params.ext_capab = | |
4923 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4924 | params.ext_capab_len = | |
4925 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4926 | } | |
4927 | ||
bdd3ae3d | 4928 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4929 | return -EINVAL; |
4930 | ||
f8bacc21 | 4931 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4932 | params.plink_action = |
f8bacc21 JB |
4933 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4934 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4935 | return -EINVAL; | |
4936 | } | |
2ec600d6 | 4937 | |
f8bacc21 | 4938 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4939 | params.plink_state = |
f8bacc21 JB |
4940 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4941 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4942 | return -EINVAL; | |
7d27a0ba MH |
4943 | if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) { |
4944 | params.peer_aid = nla_get_u16( | |
4945 | info->attrs[NL80211_ATTR_MESH_PEER_AID]); | |
4946 | if (params.peer_aid > IEEE80211_MAX_AID) | |
4947 | return -EINVAL; | |
4948 | } | |
f8bacc21 JB |
4949 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; |
4950 | } | |
9c3990aa | 4951 | |
3b1c5a53 MP |
4952 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4953 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4954 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4955 | ||
4956 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4957 | pm > NL80211_MESH_POWER_MAX) | |
4958 | return -EINVAL; | |
4959 | ||
4960 | params.local_pm = pm; | |
4961 | } | |
4962 | ||
06f7c88c BL |
4963 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4964 | params.opmode_notif_used = true; | |
4965 | params.opmode_notif = | |
4966 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4967 | } | |
4968 | ||
77ee7c89 JB |
4969 | /* Include parameters for TDLS peer (will check later) */ |
4970 | err = nl80211_set_station_tdls(info, ¶ms); | |
4971 | if (err) | |
4972 | return err; | |
4973 | ||
4974 | params.vlan = get_vlan(info, rdev); | |
4975 | if (IS_ERR(params.vlan)) | |
4976 | return PTR_ERR(params.vlan); | |
4977 | ||
a97f4424 JB |
4978 | switch (dev->ieee80211_ptr->iftype) { |
4979 | case NL80211_IFTYPE_AP: | |
4980 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4981 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4982 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4983 | case NL80211_IFTYPE_STATION: |
267335d6 | 4984 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4985 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4986 | break; |
4987 | default: | |
77ee7c89 JB |
4988 | err = -EOPNOTSUPP; |
4989 | goto out_put_vlan; | |
034d655e JB |
4990 | } |
4991 | ||
77ee7c89 | 4992 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4993 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4994 | |
77ee7c89 | 4995 | out_put_vlan: |
5727ef1b JB |
4996 | if (params.vlan) |
4997 | dev_put(params.vlan); | |
3b85875a | 4998 | |
5727ef1b JB |
4999 | return err; |
5000 | } | |
5001 | ||
5002 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
5003 | { | |
4c476991 | 5004 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 5005 | int err; |
4c476991 | 5006 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
5007 | struct station_parameters params; |
5008 | u8 *mac_addr = NULL; | |
bda95eb1 JB |
5009 | u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
5010 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
5727ef1b JB |
5011 | |
5012 | memset(¶ms, 0, sizeof(params)); | |
5013 | ||
984c311b JB |
5014 | if (!rdev->ops->add_station) |
5015 | return -EOPNOTSUPP; | |
5016 | ||
5727ef1b JB |
5017 | if (!info->attrs[NL80211_ATTR_MAC]) |
5018 | return -EINVAL; | |
5019 | ||
5727ef1b JB |
5020 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
5021 | return -EINVAL; | |
5022 | ||
5023 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
5024 | return -EINVAL; | |
5025 | ||
5e4b6f56 JM |
5026 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
5027 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
5028 | return -EINVAL; |
5029 | ||
5727ef1b JB |
5030 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5031 | params.supported_rates = | |
5032 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
5033 | params.supported_rates_len = | |
5034 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
5035 | params.listen_interval = | |
5036 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 5037 | |
17b94247 AB |
5038 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
5039 | u8 tmp; | |
5040 | ||
5041 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
5042 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
5043 | return -EINVAL; | |
5044 | ||
5045 | params.support_p2p_ps = tmp; | |
5046 | } else { | |
5047 | /* | |
5048 | * if not specified, assume it's supported for P2P GO interface, | |
5049 | * and is NOT supported for AP interface | |
5050 | */ | |
5051 | params.support_p2p_ps = | |
5052 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO; | |
5053 | } | |
5054 | ||
3d124ea2 | 5055 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 5056 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
5057 | else |
5058 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
5059 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
5060 | return -EINVAL; | |
51b50fbe | 5061 | |
9d62a986 JM |
5062 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
5063 | params.capability = | |
5064 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
5065 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
5066 | } | |
5067 | ||
5068 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
5069 | params.ext_capab = | |
5070 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5071 | params.ext_capab_len = | |
5072 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5073 | } | |
5074 | ||
36aedc90 JM |
5075 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
5076 | params.ht_capa = | |
5077 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 5078 | |
f461be3e MP |
5079 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
5080 | params.vht_capa = | |
5081 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
5082 | ||
60f4a7b1 MK |
5083 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
5084 | params.opmode_notif_used = true; | |
5085 | params.opmode_notif = | |
5086 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
5087 | } | |
5088 | ||
f8bacc21 | 5089 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 5090 | params.plink_action = |
f8bacc21 JB |
5091 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
5092 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
5093 | return -EINVAL; | |
5094 | } | |
96b78dff | 5095 | |
c01fc9ad SD |
5096 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
5097 | if (err) | |
5098 | return err; | |
5099 | ||
ff276691 JB |
5100 | err = nl80211_parse_sta_wme(info, ¶ms); |
5101 | if (err) | |
5102 | return err; | |
bdd90d5e | 5103 | |
bdd3ae3d | 5104 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
5105 | return -EINVAL; |
5106 | ||
496fcc29 JB |
5107 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
5108 | * as userspace might just pass through the capabilities from the IEs | |
5109 | * directly, rather than enforcing this restriction and returning an | |
5110 | * error in this case. | |
5111 | */ | |
5112 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
5113 | params.ht_capa = NULL; | |
5114 | params.vht_capa = NULL; | |
5115 | } | |
5116 | ||
77ee7c89 JB |
5117 | /* When you run into this, adjust the code below for the new flag */ |
5118 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
5119 | ||
bdd90d5e JB |
5120 | switch (dev->ieee80211_ptr->iftype) { |
5121 | case NL80211_IFTYPE_AP: | |
5122 | case NL80211_IFTYPE_AP_VLAN: | |
5123 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
5124 | /* ignore WME attributes if iface/sta is not capable */ |
5125 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
5126 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
5127 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 5128 | |
bdd90d5e | 5129 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5130 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5131 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 5132 | return -EINVAL; |
bdd90d5e JB |
5133 | /* but don't bother the driver with it */ |
5134 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 5135 | |
d582cffb JB |
5136 | /* allow authenticated/associated only if driver handles it */ |
5137 | if (!(rdev->wiphy.features & | |
5138 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
bda95eb1 | 5139 | params.sta_flags_mask & auth_assoc) |
d582cffb JB |
5140 | return -EINVAL; |
5141 | ||
bda95eb1 JB |
5142 | /* Older userspace, or userspace wanting to be compatible with |
5143 | * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth | |
5144 | * and assoc flags in the mask, but assumes the station will be | |
5145 | * added as associated anyway since this was the required driver | |
5146 | * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was | |
5147 | * introduced. | |
5148 | * In order to not bother drivers with this quirk in the API | |
5149 | * set the flags in both the mask and set for new stations in | |
5150 | * this case. | |
5151 | */ | |
5152 | if (!(params.sta_flags_mask & auth_assoc)) { | |
5153 | params.sta_flags_mask |= auth_assoc; | |
5154 | params.sta_flags_set |= auth_assoc; | |
5155 | } | |
5156 | ||
bdd90d5e JB |
5157 | /* must be last in here for error handling */ |
5158 | params.vlan = get_vlan(info, rdev); | |
5159 | if (IS_ERR(params.vlan)) | |
5160 | return PTR_ERR(params.vlan); | |
5161 | break; | |
5162 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
5163 | /* ignore uAPSD data */ |
5164 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5165 | ||
d582cffb JB |
5166 | /* associated is disallowed */ |
5167 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
5168 | return -EINVAL; | |
bdd90d5e | 5169 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5170 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5171 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
5172 | return -EINVAL; |
5173 | break; | |
5174 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 5175 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
5176 | /* ignore uAPSD data */ |
5177 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5178 | ||
77ee7c89 JB |
5179 | /* these are disallowed */ |
5180 | if (params.sta_flags_mask & | |
5181 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
5182 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 5183 | return -EINVAL; |
bdd90d5e JB |
5184 | /* Only TDLS peers can be added */ |
5185 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
5186 | return -EINVAL; | |
5187 | /* Can only add if TDLS ... */ | |
5188 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
5189 | return -EOPNOTSUPP; | |
5190 | /* ... with external setup is supported */ | |
5191 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
5192 | return -EOPNOTSUPP; | |
77ee7c89 JB |
5193 | /* |
5194 | * Older wpa_supplicant versions always mark the TDLS peer | |
5195 | * as authorized, but it shouldn't yet be. | |
5196 | */ | |
5197 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
5198 | break; |
5199 | default: | |
5200 | return -EOPNOTSUPP; | |
c75786c9 EP |
5201 | } |
5202 | ||
bdd90d5e | 5203 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 5204 | |
e35e4d28 | 5205 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 5206 | |
5727ef1b JB |
5207 | if (params.vlan) |
5208 | dev_put(params.vlan); | |
5727ef1b JB |
5209 | return err; |
5210 | } | |
5211 | ||
5212 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
5213 | { | |
4c476991 JB |
5214 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5215 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
5216 | struct station_del_parameters params; |
5217 | ||
5218 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
5219 | |
5220 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 5221 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 5222 | |
e80cf853 | 5223 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 5224 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 5225 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5226 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5227 | return -EINVAL; | |
5727ef1b | 5228 | |
4c476991 JB |
5229 | if (!rdev->ops->del_station) |
5230 | return -EOPNOTSUPP; | |
3b85875a | 5231 | |
98856866 JM |
5232 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
5233 | params.subtype = | |
5234 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
5235 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
5236 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
5237 | return -EINVAL; | |
5238 | } else { | |
5239 | /* Default to Deauthentication frame */ | |
5240 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
5241 | } | |
5242 | ||
5243 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
5244 | params.reason_code = | |
5245 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
5246 | if (params.reason_code == 0) | |
5247 | return -EINVAL; /* 0 is reserved */ | |
5248 | } else { | |
5249 | /* Default to reason code 2 */ | |
5250 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
5251 | } | |
5252 | ||
89c771e5 | 5253 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
5254 | } |
5255 | ||
15e47304 | 5256 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
5257 | int flags, struct net_device *dev, |
5258 | u8 *dst, u8 *next_hop, | |
5259 | struct mpath_info *pinfo) | |
5260 | { | |
5261 | void *hdr; | |
5262 | struct nlattr *pinfoattr; | |
5263 | ||
1ef4c850 | 5264 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
5265 | if (!hdr) |
5266 | return -1; | |
5267 | ||
9360ffd1 DM |
5268 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5269 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
5270 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
5271 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
5272 | goto nla_put_failure; | |
f5ea9120 | 5273 | |
2ec600d6 LCC |
5274 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
5275 | if (!pinfoattr) | |
5276 | goto nla_put_failure; | |
9360ffd1 DM |
5277 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
5278 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
5279 | pinfo->frame_qlen)) | |
5280 | goto nla_put_failure; | |
5281 | if (((pinfo->filled & MPATH_INFO_SN) && | |
5282 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
5283 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
5284 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
5285 | pinfo->metric)) || | |
5286 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
5287 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
5288 | pinfo->exptime)) || | |
5289 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
5290 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
5291 | pinfo->flags)) || | |
5292 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
5293 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
5294 | pinfo->discovery_timeout)) || | |
5295 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
5296 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
5297 | pinfo->discovery_retries))) | |
5298 | goto nla_put_failure; | |
2ec600d6 LCC |
5299 | |
5300 | nla_nest_end(msg, pinfoattr); | |
5301 | ||
053c095a JB |
5302 | genlmsg_end(msg, hdr); |
5303 | return 0; | |
2ec600d6 LCC |
5304 | |
5305 | nla_put_failure: | |
bc3ed28c TG |
5306 | genlmsg_cancel(msg, hdr); |
5307 | return -EMSGSIZE; | |
2ec600d6 LCC |
5308 | } |
5309 | ||
5310 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 5311 | struct netlink_callback *cb) |
2ec600d6 | 5312 | { |
2ec600d6 | 5313 | struct mpath_info pinfo; |
1b8ec87a | 5314 | struct cfg80211_registered_device *rdev; |
97990a06 | 5315 | struct wireless_dev *wdev; |
2ec600d6 LCC |
5316 | u8 dst[ETH_ALEN]; |
5317 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 5318 | int path_idx = cb->args[2]; |
2ec600d6 | 5319 | int err; |
2ec600d6 | 5320 | |
ea90e0dc | 5321 | rtnl_lock(); |
1b8ec87a | 5322 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 | 5323 | if (err) |
ea90e0dc | 5324 | goto out_err; |
bba95fef | 5325 | |
1b8ec87a | 5326 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 5327 | err = -EOPNOTSUPP; |
bba95fef JB |
5328 | goto out_err; |
5329 | } | |
5330 | ||
97990a06 | 5331 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 5332 | err = -EOPNOTSUPP; |
0448b5fc | 5333 | goto out_err; |
eec60b03 JM |
5334 | } |
5335 | ||
bba95fef | 5336 | while (1) { |
1b8ec87a | 5337 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 5338 | next_hop, &pinfo); |
bba95fef | 5339 | if (err == -ENOENT) |
2ec600d6 | 5340 | break; |
bba95fef | 5341 | if (err) |
3b85875a | 5342 | goto out_err; |
2ec600d6 | 5343 | |
15e47304 | 5344 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 5345 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 5346 | wdev->netdev, dst, next_hop, |
bba95fef JB |
5347 | &pinfo) < 0) |
5348 | goto out; | |
2ec600d6 | 5349 | |
bba95fef | 5350 | path_idx++; |
2ec600d6 | 5351 | } |
2ec600d6 | 5352 | |
bba95fef | 5353 | out: |
97990a06 | 5354 | cb->args[2] = path_idx; |
bba95fef | 5355 | err = skb->len; |
bba95fef | 5356 | out_err: |
ea90e0dc | 5357 | rtnl_unlock(); |
bba95fef | 5358 | return err; |
2ec600d6 LCC |
5359 | } |
5360 | ||
5361 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
5362 | { | |
4c476991 | 5363 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 5364 | int err; |
4c476991 | 5365 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
5366 | struct mpath_info pinfo; |
5367 | struct sk_buff *msg; | |
5368 | u8 *dst = NULL; | |
5369 | u8 next_hop[ETH_ALEN]; | |
5370 | ||
5371 | memset(&pinfo, 0, sizeof(pinfo)); | |
5372 | ||
5373 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5374 | return -EINVAL; | |
5375 | ||
5376 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5377 | ||
4c476991 JB |
5378 | if (!rdev->ops->get_mpath) |
5379 | return -EOPNOTSUPP; | |
2ec600d6 | 5380 | |
4c476991 JB |
5381 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5382 | return -EOPNOTSUPP; | |
eec60b03 | 5383 | |
e35e4d28 | 5384 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 5385 | if (err) |
4c476991 | 5386 | return err; |
2ec600d6 | 5387 | |
fd2120ca | 5388 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 5389 | if (!msg) |
4c476991 | 5390 | return -ENOMEM; |
2ec600d6 | 5391 | |
15e47304 | 5392 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
5393 | dev, dst, next_hop, &pinfo) < 0) { |
5394 | nlmsg_free(msg); | |
5395 | return -ENOBUFS; | |
5396 | } | |
3b85875a | 5397 | |
4c476991 | 5398 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
5399 | } |
5400 | ||
5401 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
5402 | { | |
4c476991 JB |
5403 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5404 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5405 | u8 *dst = NULL; |
5406 | u8 *next_hop = NULL; | |
5407 | ||
5408 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5409 | return -EINVAL; | |
5410 | ||
5411 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5412 | return -EINVAL; | |
5413 | ||
5414 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5415 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5416 | ||
4c476991 JB |
5417 | if (!rdev->ops->change_mpath) |
5418 | return -EOPNOTSUPP; | |
35a8efe1 | 5419 | |
4c476991 JB |
5420 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5421 | return -EOPNOTSUPP; | |
2ec600d6 | 5422 | |
e35e4d28 | 5423 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 5424 | } |
4c476991 | 5425 | |
2ec600d6 LCC |
5426 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
5427 | { | |
4c476991 JB |
5428 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5429 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5430 | u8 *dst = NULL; |
5431 | u8 *next_hop = NULL; | |
5432 | ||
5433 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5434 | return -EINVAL; | |
5435 | ||
5436 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5437 | return -EINVAL; | |
5438 | ||
5439 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5440 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5441 | ||
4c476991 JB |
5442 | if (!rdev->ops->add_mpath) |
5443 | return -EOPNOTSUPP; | |
35a8efe1 | 5444 | |
4c476991 JB |
5445 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5446 | return -EOPNOTSUPP; | |
2ec600d6 | 5447 | |
e35e4d28 | 5448 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
5449 | } |
5450 | ||
5451 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
5452 | { | |
4c476991 JB |
5453 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5454 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5455 | u8 *dst = NULL; |
5456 | ||
5457 | if (info->attrs[NL80211_ATTR_MAC]) | |
5458 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5459 | ||
4c476991 JB |
5460 | if (!rdev->ops->del_mpath) |
5461 | return -EOPNOTSUPP; | |
3b85875a | 5462 | |
e35e4d28 | 5463 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
5464 | } |
5465 | ||
66be7d2b HR |
5466 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
5467 | { | |
5468 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5469 | int err; | |
5470 | struct net_device *dev = info->user_ptr[1]; | |
5471 | struct mpath_info pinfo; | |
5472 | struct sk_buff *msg; | |
5473 | u8 *dst = NULL; | |
5474 | u8 mpp[ETH_ALEN]; | |
5475 | ||
5476 | memset(&pinfo, 0, sizeof(pinfo)); | |
5477 | ||
5478 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5479 | return -EINVAL; | |
5480 | ||
5481 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5482 | ||
5483 | if (!rdev->ops->get_mpp) | |
5484 | return -EOPNOTSUPP; | |
5485 | ||
5486 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
5487 | return -EOPNOTSUPP; | |
5488 | ||
5489 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
5490 | if (err) | |
5491 | return err; | |
5492 | ||
5493 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5494 | if (!msg) | |
5495 | return -ENOMEM; | |
5496 | ||
5497 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
5498 | dev, dst, mpp, &pinfo) < 0) { | |
5499 | nlmsg_free(msg); | |
5500 | return -ENOBUFS; | |
5501 | } | |
5502 | ||
5503 | return genlmsg_reply(msg, info); | |
5504 | } | |
5505 | ||
5506 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
5507 | struct netlink_callback *cb) | |
5508 | { | |
5509 | struct mpath_info pinfo; | |
5510 | struct cfg80211_registered_device *rdev; | |
5511 | struct wireless_dev *wdev; | |
5512 | u8 dst[ETH_ALEN]; | |
5513 | u8 mpp[ETH_ALEN]; | |
5514 | int path_idx = cb->args[2]; | |
5515 | int err; | |
5516 | ||
ea90e0dc | 5517 | rtnl_lock(); |
66be7d2b HR |
5518 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
5519 | if (err) | |
ea90e0dc | 5520 | goto out_err; |
66be7d2b HR |
5521 | |
5522 | if (!rdev->ops->dump_mpp) { | |
5523 | err = -EOPNOTSUPP; | |
5524 | goto out_err; | |
5525 | } | |
5526 | ||
5527 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
5528 | err = -EOPNOTSUPP; | |
5529 | goto out_err; | |
5530 | } | |
5531 | ||
5532 | while (1) { | |
5533 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
5534 | mpp, &pinfo); | |
5535 | if (err == -ENOENT) | |
5536 | break; | |
5537 | if (err) | |
5538 | goto out_err; | |
5539 | ||
5540 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
5541 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
5542 | wdev->netdev, dst, mpp, | |
5543 | &pinfo) < 0) | |
5544 | goto out; | |
5545 | ||
5546 | path_idx++; | |
5547 | } | |
5548 | ||
5549 | out: | |
5550 | cb->args[2] = path_idx; | |
5551 | err = skb->len; | |
5552 | out_err: | |
ea90e0dc | 5553 | rtnl_unlock(); |
66be7d2b HR |
5554 | return err; |
5555 | } | |
5556 | ||
9f1ba906 JM |
5557 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
5558 | { | |
4c476991 JB |
5559 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5560 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 5561 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 5562 | struct bss_parameters params; |
c56589ed | 5563 | int err; |
9f1ba906 JM |
5564 | |
5565 | memset(¶ms, 0, sizeof(params)); | |
5566 | /* default to not changing parameters */ | |
5567 | params.use_cts_prot = -1; | |
5568 | params.use_short_preamble = -1; | |
5569 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 5570 | params.ap_isolate = -1; |
50b12f59 | 5571 | params.ht_opmode = -1; |
53cabad7 JB |
5572 | params.p2p_ctwindow = -1; |
5573 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
5574 | |
5575 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
5576 | params.use_cts_prot = | |
5577 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
5578 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
5579 | params.use_short_preamble = | |
5580 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
5581 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
5582 | params.use_short_slot_time = | |
5583 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
5584 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
5585 | params.basic_rates = | |
5586 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5587 | params.basic_rates_len = | |
5588 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5589 | } | |
fd8aaaf3 FF |
5590 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
5591 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
5592 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
5593 | params.ht_opmode = | |
5594 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 5595 | |
53cabad7 JB |
5596 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
5597 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5598 | return -EINVAL; | |
5599 | params.p2p_ctwindow = | |
5600 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
5601 | if (params.p2p_ctwindow < 0) | |
5602 | return -EINVAL; | |
5603 | if (params.p2p_ctwindow != 0 && | |
5604 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
5605 | return -EINVAL; | |
5606 | } | |
5607 | ||
5608 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
5609 | u8 tmp; | |
5610 | ||
5611 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5612 | return -EINVAL; | |
5613 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
5614 | if (tmp > 1) | |
5615 | return -EINVAL; | |
5616 | params.p2p_opp_ps = tmp; | |
5617 | if (params.p2p_opp_ps && | |
5618 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
5619 | return -EINVAL; | |
5620 | } | |
5621 | ||
4c476991 JB |
5622 | if (!rdev->ops->change_bss) |
5623 | return -EOPNOTSUPP; | |
9f1ba906 | 5624 | |
074ac8df | 5625 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
5626 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5627 | return -EOPNOTSUPP; | |
3b85875a | 5628 | |
c56589ed SW |
5629 | wdev_lock(wdev); |
5630 | err = rdev_change_bss(rdev, dev, ¶ms); | |
5631 | wdev_unlock(wdev); | |
5632 | ||
5633 | return err; | |
9f1ba906 JM |
5634 | } |
5635 | ||
b2e1b302 LR |
5636 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
5637 | { | |
b2e1b302 | 5638 | char *data = NULL; |
05050753 | 5639 | bool is_indoor; |
57b5ce07 | 5640 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
5641 | u32 owner_nlportid; |
5642 | ||
80778f18 LR |
5643 | /* |
5644 | * You should only get this when cfg80211 hasn't yet initialized | |
5645 | * completely when built-in to the kernel right between the time | |
5646 | * window between nl80211_init() and regulatory_init(), if that is | |
5647 | * even possible. | |
5648 | */ | |
458f4f9e | 5649 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 5650 | return -EINPROGRESS; |
80778f18 | 5651 | |
57b5ce07 LR |
5652 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
5653 | user_reg_hint_type = | |
5654 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
5655 | else | |
5656 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
5657 | ||
5658 | switch (user_reg_hint_type) { | |
5659 | case NL80211_USER_REG_HINT_USER: | |
5660 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
5661 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
5662 | return -EINVAL; | |
5663 | ||
5664 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5665 | return regulatory_hint_user(data, user_reg_hint_type); | |
5666 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
5667 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
5668 | owner_nlportid = info->snd_portid; | |
5669 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
5670 | } else { | |
5671 | owner_nlportid = 0; | |
5672 | is_indoor = true; | |
5673 | } | |
5674 | ||
5675 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
5676 | default: |
5677 | return -EINVAL; | |
5678 | } | |
b2e1b302 LR |
5679 | } |
5680 | ||
24bdd9f4 | 5681 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 5682 | struct genl_info *info) |
93da9cc1 | 5683 | { |
4c476991 | 5684 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5685 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
5686 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5687 | struct mesh_config cur_params; | |
5688 | int err = 0; | |
93da9cc1 | 5689 | void *hdr; |
5690 | struct nlattr *pinfoattr; | |
5691 | struct sk_buff *msg; | |
5692 | ||
29cbe68c JB |
5693 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5694 | return -EOPNOTSUPP; | |
5695 | ||
24bdd9f4 | 5696 | if (!rdev->ops->get_mesh_config) |
4c476991 | 5697 | return -EOPNOTSUPP; |
f3f92586 | 5698 | |
29cbe68c JB |
5699 | wdev_lock(wdev); |
5700 | /* If not connected, get default parameters */ | |
5701 | if (!wdev->mesh_id_len) | |
5702 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
5703 | else | |
e35e4d28 | 5704 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
5705 | wdev_unlock(wdev); |
5706 | ||
93da9cc1 | 5707 | if (err) |
4c476991 | 5708 | return err; |
93da9cc1 | 5709 | |
5710 | /* Draw up a netlink message to send back */ | |
fd2120ca | 5711 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
5712 | if (!msg) |
5713 | return -ENOMEM; | |
15e47304 | 5714 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 5715 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 5716 | if (!hdr) |
efe1cf0c | 5717 | goto out; |
24bdd9f4 | 5718 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 5719 | if (!pinfoattr) |
5720 | goto nla_put_failure; | |
9360ffd1 DM |
5721 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5722 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
5723 | cur_params.dot11MeshRetryTimeout) || | |
5724 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
5725 | cur_params.dot11MeshConfirmTimeout) || | |
5726 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
5727 | cur_params.dot11MeshHoldingTimeout) || | |
5728 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5729 | cur_params.dot11MeshMaxPeerLinks) || | |
5730 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5731 | cur_params.dot11MeshMaxRetries) || | |
5732 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5733 | cur_params.dot11MeshTTL) || | |
5734 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5735 | cur_params.element_ttl) || | |
5736 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5737 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5738 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5739 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5740 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5741 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5742 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5743 | cur_params.path_refresh_time) || | |
5744 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5745 | cur_params.min_discovery_timeout) || | |
5746 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5747 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5748 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5749 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5750 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5751 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5752 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5753 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5754 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5755 | cur_params.dot11MeshHWMPRootMode) || | |
5756 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5757 | cur_params.dot11MeshHWMPRannInterval) || | |
5758 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5759 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5760 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5761 | cur_params.dot11MeshForwarding) || | |
335d5349 | 5762 | nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, |
70c33eaa AN |
5763 | cur_params.rssi_threshold) || |
5764 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5765 | cur_params.ht_opmode) || |
5766 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5767 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5768 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5769 | cur_params.dot11MeshHWMProotInterval) || |
5770 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5771 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5772 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5773 | cur_params.power_mode) || | |
5774 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5775 | cur_params.dot11MeshAwakeWindowDuration) || |
5776 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5777 | cur_params.plink_timeout)) | |
9360ffd1 | 5778 | goto nla_put_failure; |
93da9cc1 | 5779 | nla_nest_end(msg, pinfoattr); |
5780 | genlmsg_end(msg, hdr); | |
4c476991 | 5781 | return genlmsg_reply(msg, info); |
93da9cc1 | 5782 | |
3b85875a | 5783 | nla_put_failure: |
93da9cc1 | 5784 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5785 | out: |
d080e275 | 5786 | nlmsg_free(msg); |
4c476991 | 5787 | return -ENOBUFS; |
93da9cc1 | 5788 | } |
5789 | ||
b54452b0 | 5790 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5791 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5792 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5793 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5794 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5795 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5796 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5797 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5798 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5799 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5800 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5801 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5802 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5803 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5804 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5805 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5806 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5807 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5808 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5809 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5810 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5811 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5812 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5813 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5814 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5815 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5816 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5817 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5818 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5819 | }; |
5820 | ||
c80d545d JC |
5821 | static const struct nla_policy |
5822 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5823 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5824 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5825 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5826 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5827 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5828 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5829 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5830 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5831 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5832 | }; |
5833 | ||
f151d9db AB |
5834 | static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out) |
5835 | { | |
5836 | u8 val = nla_get_u8(nla); | |
5837 | if (val < min || val > max) | |
5838 | return -EINVAL; | |
5839 | *out = val; | |
5840 | return 0; | |
5841 | } | |
5842 | ||
5843 | static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out) | |
5844 | { | |
5845 | u8 val = nla_get_u8(nla); | |
5846 | if (val < min || val > max) | |
5847 | return -EINVAL; | |
5848 | *out = val; | |
5849 | return 0; | |
5850 | } | |
5851 | ||
5852 | static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out) | |
5853 | { | |
5854 | u16 val = nla_get_u16(nla); | |
5855 | if (val < min || val > max) | |
5856 | return -EINVAL; | |
5857 | *out = val; | |
5858 | return 0; | |
5859 | } | |
5860 | ||
5861 | static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out) | |
5862 | { | |
5863 | u32 val = nla_get_u32(nla); | |
5864 | if (val < min || val > max) | |
5865 | return -EINVAL; | |
5866 | *out = val; | |
5867 | return 0; | |
5868 | } | |
5869 | ||
5870 | static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out) | |
5871 | { | |
5872 | s32 val = nla_get_s32(nla); | |
5873 | if (val < min || val > max) | |
5874 | return -EINVAL; | |
5875 | *out = val; | |
5876 | return 0; | |
5877 | } | |
5878 | ||
ff9a71af JB |
5879 | static int nl80211_check_power_mode(const struct nlattr *nla, |
5880 | enum nl80211_mesh_power_mode min, | |
5881 | enum nl80211_mesh_power_mode max, | |
5882 | enum nl80211_mesh_power_mode *out) | |
5883 | { | |
5884 | u32 val = nla_get_u32(nla); | |
5885 | if (val < min || val > max) | |
5886 | return -EINVAL; | |
5887 | *out = val; | |
5888 | return 0; | |
5889 | } | |
5890 | ||
24bdd9f4 | 5891 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5892 | struct mesh_config *cfg, |
5893 | u32 *mask_out) | |
93da9cc1 | 5894 | { |
93da9cc1 | 5895 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5896 | u32 mask = 0; |
9757235f | 5897 | u16 ht_opmode; |
93da9cc1 | 5898 | |
ea54fba2 MP |
5899 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5900 | do { \ | |
5901 | if (tb[attr]) { \ | |
f151d9db | 5902 | if (fn(tb[attr], min, max, &cfg->param)) \ |
ea54fba2 | 5903 | return -EINVAL; \ |
ea54fba2 MP |
5904 | mask |= (1 << (attr - 1)); \ |
5905 | } \ | |
5906 | } while (0) | |
bd90fdcc | 5907 | |
24bdd9f4 | 5908 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5909 | return -EINVAL; |
5910 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5911 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
fe52145f | 5912 | nl80211_meshconf_params_policy, info->extack)) |
93da9cc1 | 5913 | return -EINVAL; |
5914 | ||
93da9cc1 | 5915 | /* This makes sure that there aren't more than 32 mesh config |
5916 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5917 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5918 | ||
5919 | /* Fill in the params struct */ | |
ea54fba2 | 5920 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea | 5921 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
f151d9db | 5922 | nl80211_check_u16); |
ea54fba2 | 5923 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea | 5924 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
f151d9db | 5925 | nl80211_check_u16); |
ea54fba2 | 5926 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea | 5927 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
f151d9db | 5928 | nl80211_check_u16); |
ea54fba2 | 5929 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea | 5930 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
f151d9db | 5931 | nl80211_check_u16); |
ea54fba2 | 5932 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea | 5933 | mask, NL80211_MESHCONF_MAX_RETRIES, |
f151d9db | 5934 | nl80211_check_u8); |
ea54fba2 | 5935 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
f151d9db | 5936 | mask, NL80211_MESHCONF_TTL, nl80211_check_u8); |
ea54fba2 | 5937 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea | 5938 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
f151d9db | 5939 | nl80211_check_u8); |
ea54fba2 | 5940 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea | 5941 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
f151d9db | 5942 | nl80211_check_bool); |
ea54fba2 MP |
5943 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5944 | 1, 255, mask, | |
a4f606ea | 5945 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
f151d9db | 5946 | nl80211_check_u32); |
ea54fba2 | 5947 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea | 5948 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
f151d9db | 5949 | nl80211_check_u8); |
ea54fba2 | 5950 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea | 5951 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
f151d9db | 5952 | nl80211_check_u32); |
ea54fba2 | 5953 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea | 5954 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
f151d9db | 5955 | nl80211_check_u16); |
ea54fba2 MP |
5956 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5957 | 1, 65535, mask, | |
a4f606ea | 5958 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
f151d9db | 5959 | nl80211_check_u32); |
93da9cc1 | 5960 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5961 | 1, 65535, mask, |
5962 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
f151d9db | 5963 | nl80211_check_u16); |
dca7e943 | 5964 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5965 | 1, 65535, mask, |
5966 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
f151d9db | 5967 | nl80211_check_u16); |
93da9cc1 | 5968 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5969 | dot11MeshHWMPnetDiameterTraversalTime, |
5970 | 1, 65535, mask, | |
a4f606ea | 5971 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
f151d9db | 5972 | nl80211_check_u16); |
ea54fba2 MP |
5973 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5974 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
f151d9db | 5975 | nl80211_check_u8); |
ea54fba2 MP |
5976 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, |
5977 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
f151d9db | 5978 | nl80211_check_u16); |
63c5723b | 5979 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5980 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5981 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
f151d9db | 5982 | nl80211_check_bool); |
ea54fba2 | 5983 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea | 5984 | mask, NL80211_MESHCONF_FORWARDING, |
f151d9db | 5985 | nl80211_check_bool); |
83374fe9 | 5986 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5987 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
f151d9db | 5988 | nl80211_check_s32); |
9757235f MH |
5989 | /* |
5990 | * Check HT operation mode based on | |
5991 | * IEEE 802.11 2012 8.4.2.59 HT Operation element. | |
5992 | */ | |
5993 | if (tb[NL80211_MESHCONF_HT_OPMODE]) { | |
5994 | ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); | |
5995 | ||
5996 | if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | | |
5997 | IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | | |
5998 | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5999 | return -EINVAL; | |
6000 | ||
6001 | if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && | |
6002 | (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
6003 | return -EINVAL; | |
6004 | ||
6005 | switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) { | |
6006 | case IEEE80211_HT_OP_MODE_PROTECTION_NONE: | |
6007 | case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: | |
6008 | if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) | |
6009 | return -EINVAL; | |
6010 | break; | |
6011 | case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: | |
6012 | case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: | |
6013 | if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
6014 | return -EINVAL; | |
6015 | break; | |
6016 | } | |
6017 | cfg->ht_opmode = ht_opmode; | |
fd551bac | 6018 | mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1)); |
9757235f | 6019 | } |
ac1073a6 | 6020 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, |
ea54fba2 | 6021 | 1, 65535, mask, |
ac1073a6 | 6022 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
f151d9db | 6023 | nl80211_check_u32); |
ea54fba2 | 6024 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 6025 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
f151d9db | 6026 | nl80211_check_u16); |
728b19e5 | 6027 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
6028 | dot11MeshHWMPconfirmationInterval, |
6029 | 1, 65535, mask, | |
728b19e5 | 6030 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
f151d9db | 6031 | nl80211_check_u16); |
3b1c5a53 MP |
6032 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
6033 | NL80211_MESH_POWER_ACTIVE, | |
6034 | NL80211_MESH_POWER_MAX, | |
6035 | mask, NL80211_MESHCONF_POWER_MODE, | |
ff9a71af | 6036 | nl80211_check_power_mode); |
3b1c5a53 MP |
6037 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, |
6038 | 0, 65535, mask, | |
f151d9db | 6039 | NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16); |
31f909a2 | 6040 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff, |
8e7c0538 | 6041 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, |
f151d9db | 6042 | nl80211_check_u32); |
bd90fdcc JB |
6043 | if (mask_out) |
6044 | *mask_out = mask; | |
c80d545d | 6045 | |
bd90fdcc JB |
6046 | return 0; |
6047 | ||
6048 | #undef FILL_IN_MESH_PARAM_IF_SET | |
6049 | } | |
6050 | ||
c80d545d JC |
6051 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
6052 | struct mesh_setup *setup) | |
6053 | { | |
bb2798d4 | 6054 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
6055 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
6056 | ||
6057 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
6058 | return -EINVAL; | |
6059 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
6060 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
fe52145f | 6061 | nl80211_mesh_setup_params_policy, info->extack)) |
c80d545d JC |
6062 | return -EINVAL; |
6063 | ||
d299a1f2 JC |
6064 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
6065 | setup->sync_method = | |
6066 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
6067 | IEEE80211_SYNC_METHOD_VENDOR : | |
6068 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
6069 | ||
c80d545d JC |
6070 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
6071 | setup->path_sel_proto = | |
6072 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
6073 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
6074 | IEEE80211_PATH_PROTOCOL_HWMP; | |
6075 | ||
6076 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
6077 | setup->path_metric = | |
6078 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
6079 | IEEE80211_PATH_METRIC_VENDOR : | |
6080 | IEEE80211_PATH_METRIC_AIRTIME; | |
6081 | ||
581a8b0f | 6082 | if (tb[NL80211_MESH_SETUP_IE]) { |
c80d545d | 6083 | struct nlattr *ieattr = |
581a8b0f | 6084 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
6085 | if (!is_valid_ie_attr(ieattr)) |
6086 | return -EINVAL; | |
581a8b0f JC |
6087 | setup->ie = nla_data(ieattr); |
6088 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 6089 | } |
bb2798d4 TP |
6090 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
6091 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
6092 | return -EINVAL; | |
6093 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
6094 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
6095 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
6096 | if (setup->is_secure) |
6097 | setup->user_mpm = true; | |
c80d545d | 6098 | |
6e16d90b CT |
6099 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
6100 | if (!setup->user_mpm) | |
6101 | return -EINVAL; | |
6102 | setup->auth_id = | |
6103 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
6104 | } | |
6105 | ||
c80d545d JC |
6106 | return 0; |
6107 | } | |
6108 | ||
24bdd9f4 | 6109 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 6110 | struct genl_info *info) |
bd90fdcc JB |
6111 | { |
6112 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6113 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 6114 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
6115 | struct mesh_config cfg; |
6116 | u32 mask; | |
6117 | int err; | |
6118 | ||
29cbe68c JB |
6119 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
6120 | return -EOPNOTSUPP; | |
6121 | ||
24bdd9f4 | 6122 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
6123 | return -EOPNOTSUPP; |
6124 | ||
24bdd9f4 | 6125 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
6126 | if (err) |
6127 | return err; | |
6128 | ||
29cbe68c JB |
6129 | wdev_lock(wdev); |
6130 | if (!wdev->mesh_id_len) | |
6131 | err = -ENOLINK; | |
6132 | ||
6133 | if (!err) | |
e35e4d28 | 6134 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
6135 | |
6136 | wdev_unlock(wdev); | |
6137 | ||
6138 | return err; | |
93da9cc1 | 6139 | } |
6140 | ||
ad30ca2c AN |
6141 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
6142 | struct sk_buff *msg) | |
f130347c | 6143 | { |
f130347c LR |
6144 | struct nlattr *nl_reg_rules; |
6145 | unsigned int i; | |
f130347c | 6146 | |
458f4f9e JB |
6147 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
6148 | (regdom->dfs_region && | |
6149 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 6150 | goto nla_put_failure; |
458f4f9e | 6151 | |
f130347c LR |
6152 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
6153 | if (!nl_reg_rules) | |
ad30ca2c | 6154 | goto nla_put_failure; |
f130347c | 6155 | |
458f4f9e | 6156 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
6157 | struct nlattr *nl_reg_rule; |
6158 | const struct ieee80211_reg_rule *reg_rule; | |
6159 | const struct ieee80211_freq_range *freq_range; | |
6160 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 6161 | unsigned int max_bandwidth_khz; |
f130347c | 6162 | |
458f4f9e | 6163 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
6164 | freq_range = ®_rule->freq_range; |
6165 | power_rule = ®_rule->power_rule; | |
6166 | ||
6167 | nl_reg_rule = nla_nest_start(msg, i); | |
6168 | if (!nl_reg_rule) | |
ad30ca2c | 6169 | goto nla_put_failure; |
f130347c | 6170 | |
97524820 JD |
6171 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
6172 | if (!max_bandwidth_khz) | |
6173 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
6174 | reg_rule); | |
6175 | ||
9360ffd1 DM |
6176 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
6177 | reg_rule->flags) || | |
6178 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
6179 | freq_range->start_freq_khz) || | |
6180 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
6181 | freq_range->end_freq_khz) || | |
6182 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 6183 | max_bandwidth_khz) || |
9360ffd1 DM |
6184 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
6185 | power_rule->max_antenna_gain) || | |
6186 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
6187 | power_rule->max_eirp) || |
6188 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
6189 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 6190 | goto nla_put_failure; |
f130347c LR |
6191 | |
6192 | nla_nest_end(msg, nl_reg_rule); | |
6193 | } | |
6194 | ||
6195 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
6196 | return 0; |
6197 | ||
6198 | nla_put_failure: | |
6199 | return -EMSGSIZE; | |
6200 | } | |
6201 | ||
6202 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
6203 | { | |
6204 | const struct ieee80211_regdomain *regdom = NULL; | |
6205 | struct cfg80211_registered_device *rdev; | |
6206 | struct wiphy *wiphy = NULL; | |
6207 | struct sk_buff *msg; | |
6208 | void *hdr; | |
6209 | ||
6210 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6211 | if (!msg) | |
6212 | return -ENOBUFS; | |
6213 | ||
6214 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
6215 | NL80211_CMD_GET_REG); | |
6216 | if (!hdr) | |
6217 | goto put_failure; | |
6218 | ||
6219 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
1bdd716c AN |
6220 | bool self_managed; |
6221 | ||
ad30ca2c AN |
6222 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
6223 | if (IS_ERR(rdev)) { | |
6224 | nlmsg_free(msg); | |
6225 | return PTR_ERR(rdev); | |
6226 | } | |
6227 | ||
6228 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
6229 | self_managed = wiphy->regulatory_flags & |
6230 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
6231 | regdom = get_wiphy_regdom(wiphy); |
6232 | ||
1bdd716c AN |
6233 | /* a self-managed-reg device must have a private regdom */ |
6234 | if (WARN_ON(!regdom && self_managed)) { | |
6235 | nlmsg_free(msg); | |
6236 | return -EINVAL; | |
6237 | } | |
6238 | ||
ad30ca2c AN |
6239 | if (regdom && |
6240 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6241 | goto nla_put_failure; | |
6242 | } | |
6243 | ||
6244 | if (!wiphy && reg_last_request_cell_base() && | |
6245 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6246 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6247 | goto nla_put_failure; | |
6248 | ||
6249 | rcu_read_lock(); | |
6250 | ||
6251 | if (!regdom) | |
6252 | regdom = rcu_dereference(cfg80211_regdomain); | |
6253 | ||
6254 | if (nl80211_put_regdom(regdom, msg)) | |
6255 | goto nla_put_failure_rcu; | |
6256 | ||
6257 | rcu_read_unlock(); | |
f130347c LR |
6258 | |
6259 | genlmsg_end(msg, hdr); | |
5fe231e8 | 6260 | return genlmsg_reply(msg, info); |
f130347c | 6261 | |
458f4f9e JB |
6262 | nla_put_failure_rcu: |
6263 | rcu_read_unlock(); | |
f130347c LR |
6264 | nla_put_failure: |
6265 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 6266 | put_failure: |
d080e275 | 6267 | nlmsg_free(msg); |
5fe231e8 | 6268 | return -EMSGSIZE; |
f130347c LR |
6269 | } |
6270 | ||
ad30ca2c AN |
6271 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
6272 | u32 seq, int flags, struct wiphy *wiphy, | |
6273 | const struct ieee80211_regdomain *regdom) | |
6274 | { | |
6275 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
6276 | NL80211_CMD_GET_REG); | |
6277 | ||
6278 | if (!hdr) | |
6279 | return -1; | |
6280 | ||
6281 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); | |
6282 | ||
6283 | if (nl80211_put_regdom(regdom, msg)) | |
6284 | goto nla_put_failure; | |
6285 | ||
6286 | if (!wiphy && reg_last_request_cell_base() && | |
6287 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6288 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6289 | goto nla_put_failure; | |
6290 | ||
6291 | if (wiphy && | |
6292 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6293 | goto nla_put_failure; | |
6294 | ||
1bdd716c AN |
6295 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
6296 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
6297 | goto nla_put_failure; | |
6298 | ||
053c095a JB |
6299 | genlmsg_end(msg, hdr); |
6300 | return 0; | |
ad30ca2c AN |
6301 | |
6302 | nla_put_failure: | |
6303 | genlmsg_cancel(msg, hdr); | |
6304 | return -EMSGSIZE; | |
6305 | } | |
6306 | ||
6307 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
6308 | struct netlink_callback *cb) | |
6309 | { | |
6310 | const struct ieee80211_regdomain *regdom = NULL; | |
6311 | struct cfg80211_registered_device *rdev; | |
6312 | int err, reg_idx, start = cb->args[2]; | |
6313 | ||
6314 | rtnl_lock(); | |
6315 | ||
6316 | if (cfg80211_regdomain && start == 0) { | |
6317 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6318 | NLM_F_MULTI, NULL, | |
6319 | rtnl_dereference(cfg80211_regdomain)); | |
6320 | if (err < 0) | |
6321 | goto out_err; | |
6322 | } | |
6323 | ||
6324 | /* the global regdom is idx 0 */ | |
6325 | reg_idx = 1; | |
6326 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
6327 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
6328 | if (!regdom) | |
6329 | continue; | |
6330 | ||
6331 | if (++reg_idx <= start) | |
6332 | continue; | |
6333 | ||
6334 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6335 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
6336 | if (err < 0) { | |
6337 | reg_idx--; | |
6338 | break; | |
6339 | } | |
6340 | } | |
6341 | ||
6342 | cb->args[2] = reg_idx; | |
6343 | err = skb->len; | |
6344 | out_err: | |
6345 | rtnl_unlock(); | |
6346 | return err; | |
6347 | } | |
6348 | ||
b6863036 JB |
6349 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
6350 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
6351 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
6352 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
6353 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
6354 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
6355 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
6356 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
6357 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, | |
6358 | }; | |
6359 | ||
6360 | static int parse_reg_rule(struct nlattr *tb[], | |
6361 | struct ieee80211_reg_rule *reg_rule) | |
6362 | { | |
6363 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
6364 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
6365 | ||
6366 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
6367 | return -EINVAL; | |
6368 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
6369 | return -EINVAL; | |
6370 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
6371 | return -EINVAL; | |
6372 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
6373 | return -EINVAL; | |
6374 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
6375 | return -EINVAL; | |
6376 | ||
6377 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
6378 | ||
6379 | freq_range->start_freq_khz = | |
6380 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
6381 | freq_range->end_freq_khz = | |
6382 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
6383 | freq_range->max_bandwidth_khz = | |
6384 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
6385 | ||
6386 | power_rule->max_eirp = | |
6387 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
6388 | ||
6389 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
6390 | power_rule->max_antenna_gain = | |
6391 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
6392 | ||
6393 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) | |
6394 | reg_rule->dfs_cac_ms = | |
6395 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
6396 | ||
6397 | return 0; | |
6398 | } | |
6399 | ||
b2e1b302 LR |
6400 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
6401 | { | |
6402 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
6403 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
6404 | char *alpha2; |
6405 | int rem_reg_rules, r; | |
b2e1b302 | 6406 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 6407 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 6408 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
6409 | |
6410 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
6411 | return -EINVAL; | |
6412 | ||
6413 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
6414 | return -EINVAL; | |
6415 | ||
6416 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
6417 | ||
8b60b078 LR |
6418 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
6419 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
6420 | ||
b2e1b302 | 6421 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6422 | rem_reg_rules) { |
b2e1b302 LR |
6423 | num_rules++; |
6424 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 6425 | return -EINVAL; |
b2e1b302 LR |
6426 | } |
6427 | ||
e438768f LR |
6428 | if (!reg_is_valid_request(alpha2)) |
6429 | return -EINVAL; | |
6430 | ||
b2e1b302 | 6431 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 6432 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
6433 | |
6434 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
6435 | if (!rd) |
6436 | return -ENOMEM; | |
b2e1b302 LR |
6437 | |
6438 | rd->n_reg_rules = num_rules; | |
6439 | rd->alpha2[0] = alpha2[0]; | |
6440 | rd->alpha2[1] = alpha2[1]; | |
6441 | ||
8b60b078 LR |
6442 | /* |
6443 | * Disable DFS master mode if the DFS region was | |
6444 | * not supported or known on this kernel. | |
6445 | */ | |
6446 | if (reg_supported_dfs_region(dfs_region)) | |
6447 | rd->dfs_region = dfs_region; | |
6448 | ||
b2e1b302 | 6449 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6450 | rem_reg_rules) { |
bfe2c7b1 | 6451 | r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX, |
fe52145f JB |
6452 | nl_reg_rule, reg_rule_policy, |
6453 | info->extack); | |
ae811e21 JB |
6454 | if (r) |
6455 | goto bad_reg; | |
b2e1b302 LR |
6456 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
6457 | if (r) | |
6458 | goto bad_reg; | |
6459 | ||
6460 | rule_idx++; | |
6461 | ||
d0e18f83 LR |
6462 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
6463 | r = -EINVAL; | |
b2e1b302 | 6464 | goto bad_reg; |
d0e18f83 | 6465 | } |
b2e1b302 LR |
6466 | } |
6467 | ||
06627990 JB |
6468 | /* set_regdom takes ownership of rd */ |
6469 | return set_regdom(rd, REGD_SOURCE_CRDA); | |
d2372b31 | 6470 | bad_reg: |
b2e1b302 | 6471 | kfree(rd); |
d0e18f83 | 6472 | return r; |
b2e1b302 | 6473 | } |
b6863036 | 6474 | #endif /* CONFIG_CFG80211_CRDA_SUPPORT */ |
b2e1b302 | 6475 | |
83f5e2cf JB |
6476 | static int validate_scan_freqs(struct nlattr *freqs) |
6477 | { | |
6478 | struct nlattr *attr1, *attr2; | |
6479 | int n_channels = 0, tmp1, tmp2; | |
6480 | ||
d7f13f74 SD |
6481 | nla_for_each_nested(attr1, freqs, tmp1) |
6482 | if (nla_len(attr1) != sizeof(u32)) | |
6483 | return 0; | |
6484 | ||
83f5e2cf JB |
6485 | nla_for_each_nested(attr1, freqs, tmp1) { |
6486 | n_channels++; | |
6487 | /* | |
6488 | * Some hardware has a limited channel list for | |
6489 | * scanning, and it is pretty much nonsensical | |
6490 | * to scan for a channel twice, so disallow that | |
6491 | * and don't require drivers to check that the | |
6492 | * channel list they get isn't longer than what | |
6493 | * they can scan, as long as they can scan all | |
6494 | * the channels they registered at once. | |
6495 | */ | |
6496 | nla_for_each_nested(attr2, freqs, tmp2) | |
6497 | if (attr1 != attr2 && | |
6498 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
6499 | return 0; | |
6500 | } | |
6501 | ||
6502 | return n_channels; | |
6503 | } | |
6504 | ||
57fbcce3 | 6505 | static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b) |
38de03d2 | 6506 | { |
57fbcce3 | 6507 | return b < NUM_NL80211_BANDS && wiphy->bands[b]; |
38de03d2 AS |
6508 | } |
6509 | ||
6510 | static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, | |
6511 | struct cfg80211_bss_selection *bss_select) | |
6512 | { | |
6513 | struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1]; | |
6514 | struct nlattr *nest; | |
6515 | int err; | |
6516 | bool found = false; | |
6517 | int i; | |
6518 | ||
6519 | /* only process one nested attribute */ | |
6520 | nest = nla_data(nla); | |
6521 | if (!nla_ok(nest, nla_len(nest))) | |
6522 | return -EINVAL; | |
6523 | ||
bfe2c7b1 | 6524 | err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest, |
fceb6435 | 6525 | nl80211_bss_select_policy, NULL); |
38de03d2 AS |
6526 | if (err) |
6527 | return err; | |
6528 | ||
6529 | /* only one attribute may be given */ | |
6530 | for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) { | |
6531 | if (attr[i]) { | |
6532 | if (found) | |
6533 | return -EINVAL; | |
6534 | found = true; | |
6535 | } | |
6536 | } | |
6537 | ||
6538 | bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID; | |
6539 | ||
6540 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI]) | |
6541 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI; | |
6542 | ||
6543 | if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) { | |
6544 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF; | |
6545 | bss_select->param.band_pref = | |
6546 | nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]); | |
6547 | if (!is_band_valid(wiphy, bss_select->param.band_pref)) | |
6548 | return -EINVAL; | |
6549 | } | |
6550 | ||
6551 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) { | |
6552 | struct nl80211_bss_select_rssi_adjust *adj_param; | |
6553 | ||
6554 | adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]); | |
6555 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST; | |
6556 | bss_select->param.adjust.band = adj_param->band; | |
6557 | bss_select->param.adjust.delta = adj_param->delta; | |
6558 | if (!is_band_valid(wiphy, bss_select->param.adjust.band)) | |
6559 | return -EINVAL; | |
6560 | } | |
6561 | ||
6562 | /* user-space did not provide behaviour attribute */ | |
6563 | if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID) | |
6564 | return -EINVAL; | |
6565 | ||
6566 | if (!(wiphy->bss_select_support & BIT(bss_select->behaviour))) | |
6567 | return -EINVAL; | |
6568 | ||
6569 | return 0; | |
6570 | } | |
6571 | ||
ad2b26ab JB |
6572 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
6573 | u8 *mac_addr, u8 *mac_addr_mask) | |
6574 | { | |
6575 | int i; | |
6576 | ||
6577 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
6578 | eth_zero_addr(mac_addr); |
6579 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
6580 | mac_addr[0] = 0x2; |
6581 | mac_addr_mask[0] = 0x3; | |
6582 | ||
6583 | return 0; | |
6584 | } | |
6585 | ||
6586 | /* need both or none */ | |
6587 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
6588 | return -EINVAL; | |
6589 | ||
6590 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
6591 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
6592 | ||
6593 | /* don't allow or configure an mcast address */ | |
6594 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
6595 | is_multicast_ether_addr(mac_addr)) | |
6596 | return -EINVAL; | |
6597 | ||
6598 | /* | |
6599 | * allow users to pass a MAC address that has bits set outside | |
6600 | * of the mask, but don't bother drivers with having to deal | |
6601 | * with such bits | |
6602 | */ | |
6603 | for (i = 0; i < ETH_ALEN; i++) | |
6604 | mac_addr[i] &= mac_addr_mask[i]; | |
6605 | ||
6606 | return 0; | |
6607 | } | |
6608 | ||
34373d12 VT |
6609 | static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev) |
6610 | { | |
6611 | ASSERT_WDEV_LOCK(wdev); | |
6612 | ||
6613 | if (!cfg80211_beaconing_iface_active(wdev)) | |
6614 | return true; | |
6615 | ||
6616 | if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR)) | |
6617 | return true; | |
6618 | ||
6619 | return regulatory_pre_cac_allowed(wdev->wiphy); | |
6620 | } | |
6621 | ||
2d23d073 RZ |
6622 | static int |
6623 | nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev, | |
6624 | void *request, struct nlattr **attrs, | |
6625 | bool is_sched_scan) | |
6626 | { | |
6627 | u8 *mac_addr, *mac_addr_mask; | |
6628 | u32 *flags; | |
6629 | enum nl80211_feature_flags randomness_flag; | |
6630 | ||
6631 | if (!attrs[NL80211_ATTR_SCAN_FLAGS]) | |
6632 | return 0; | |
6633 | ||
6634 | if (is_sched_scan) { | |
6635 | struct cfg80211_sched_scan_request *req = request; | |
6636 | ||
6637 | randomness_flag = wdev ? | |
6638 | NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR : | |
6639 | NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
6640 | flags = &req->flags; | |
6641 | mac_addr = req->mac_addr; | |
6642 | mac_addr_mask = req->mac_addr_mask; | |
6643 | } else { | |
6644 | struct cfg80211_scan_request *req = request; | |
6645 | ||
6646 | randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; | |
6647 | flags = &req->flags; | |
6648 | mac_addr = req->mac_addr; | |
6649 | mac_addr_mask = req->mac_addr_mask; | |
6650 | } | |
6651 | ||
6652 | *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]); | |
6653 | ||
6654 | if ((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && | |
6655 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) | |
6656 | return -EOPNOTSUPP; | |
6657 | ||
6658 | if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6659 | int err; | |
6660 | ||
6661 | if (!(wiphy->features & randomness_flag) || | |
6662 | (wdev && wdev->current_bss)) | |
6663 | return -EOPNOTSUPP; | |
6664 | ||
6665 | err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask); | |
6666 | if (err) | |
6667 | return err; | |
6668 | } | |
6669 | ||
6670 | if ((*flags & NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME) && | |
6671 | !wiphy_ext_feature_isset(wiphy, | |
6672 | NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME)) | |
6673 | return -EOPNOTSUPP; | |
6674 | ||
6675 | if ((*flags & NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP) && | |
6676 | !wiphy_ext_feature_isset(wiphy, | |
6677 | NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP)) | |
6678 | return -EOPNOTSUPP; | |
6679 | ||
6680 | if ((*flags & NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) && | |
6681 | !wiphy_ext_feature_isset(wiphy, | |
6682 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION)) | |
6683 | return -EOPNOTSUPP; | |
6684 | ||
6685 | if ((*flags & NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE) && | |
6686 | !wiphy_ext_feature_isset(wiphy, | |
6687 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE)) | |
6688 | return -EOPNOTSUPP; | |
6689 | ||
6690 | return 0; | |
6691 | } | |
6692 | ||
2a519311 JB |
6693 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
6694 | { | |
4c476991 | 6695 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 6696 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 6697 | struct cfg80211_scan_request *request; |
2a519311 JB |
6698 | struct nlattr *attr; |
6699 | struct wiphy *wiphy; | |
83f5e2cf | 6700 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 6701 | size_t ie_len; |
2a519311 | 6702 | |
f4a11bb0 JB |
6703 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6704 | return -EINVAL; | |
6705 | ||
79c97e97 | 6706 | wiphy = &rdev->wiphy; |
2a519311 | 6707 | |
cb3b7d87 AB |
6708 | if (wdev->iftype == NL80211_IFTYPE_NAN) |
6709 | return -EOPNOTSUPP; | |
6710 | ||
4c476991 JB |
6711 | if (!rdev->ops->scan) |
6712 | return -EOPNOTSUPP; | |
2a519311 | 6713 | |
f9d15d16 | 6714 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
6715 | err = -EBUSY; |
6716 | goto unlock; | |
6717 | } | |
2a519311 JB |
6718 | |
6719 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
6720 | n_channels = validate_scan_freqs( |
6721 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
6722 | if (!n_channels) { |
6723 | err = -EINVAL; | |
6724 | goto unlock; | |
6725 | } | |
2a519311 | 6726 | } else { |
bdfbec2d | 6727 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
6728 | } |
6729 | ||
6730 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
6731 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
6732 | n_ssids++; | |
6733 | ||
f9f47529 JB |
6734 | if (n_ssids > wiphy->max_scan_ssids) { |
6735 | err = -EINVAL; | |
6736 | goto unlock; | |
6737 | } | |
2a519311 | 6738 | |
70692ad2 JM |
6739 | if (info->attrs[NL80211_ATTR_IE]) |
6740 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6741 | else | |
6742 | ie_len = 0; | |
6743 | ||
f9f47529 JB |
6744 | if (ie_len > wiphy->max_scan_ie_len) { |
6745 | err = -EINVAL; | |
6746 | goto unlock; | |
6747 | } | |
18a83659 | 6748 | |
2a519311 | 6749 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
6750 | + sizeof(*request->ssids) * n_ssids |
6751 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 6752 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
6753 | if (!request) { |
6754 | err = -ENOMEM; | |
6755 | goto unlock; | |
6756 | } | |
2a519311 | 6757 | |
2a519311 | 6758 | if (n_ssids) |
5ba63533 | 6759 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 6760 | request->n_ssids = n_ssids; |
70692ad2 | 6761 | if (ie_len) { |
13874e4b | 6762 | if (n_ssids) |
70692ad2 JM |
6763 | request->ie = (void *)(request->ssids + n_ssids); |
6764 | else | |
6765 | request->ie = (void *)(request->channels + n_channels); | |
6766 | } | |
2a519311 | 6767 | |
584991dc | 6768 | i = 0; |
2a519311 JB |
6769 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
6770 | /* user specified, bail out if channel not found */ | |
2a519311 | 6771 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
6772 | struct ieee80211_channel *chan; |
6773 | ||
6774 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6775 | ||
6776 | if (!chan) { | |
2a519311 JB |
6777 | err = -EINVAL; |
6778 | goto out_free; | |
6779 | } | |
584991dc JB |
6780 | |
6781 | /* ignore disabled channels */ | |
6782 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6783 | continue; | |
6784 | ||
6785 | request->channels[i] = chan; | |
2a519311 JB |
6786 | i++; |
6787 | } | |
6788 | } else { | |
57fbcce3 | 6789 | enum nl80211_band band; |
34850ab2 | 6790 | |
2a519311 | 6791 | /* all channels */ |
57fbcce3 | 6792 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
2a519311 | 6793 | int j; |
7a087e74 | 6794 | |
2a519311 JB |
6795 | if (!wiphy->bands[band]) |
6796 | continue; | |
6797 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
6798 | struct ieee80211_channel *chan; |
6799 | ||
6800 | chan = &wiphy->bands[band]->channels[j]; | |
6801 | ||
6802 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6803 | continue; | |
6804 | ||
6805 | request->channels[i] = chan; | |
2a519311 JB |
6806 | i++; |
6807 | } | |
6808 | } | |
6809 | } | |
6810 | ||
584991dc JB |
6811 | if (!i) { |
6812 | err = -EINVAL; | |
6813 | goto out_free; | |
6814 | } | |
6815 | ||
6816 | request->n_channels = i; | |
6817 | ||
34373d12 VT |
6818 | wdev_lock(wdev); |
6819 | if (!cfg80211_off_channel_oper_allowed(wdev)) { | |
6820 | struct ieee80211_channel *chan; | |
6821 | ||
6822 | if (request->n_channels != 1) { | |
6823 | wdev_unlock(wdev); | |
6824 | err = -EBUSY; | |
6825 | goto out_free; | |
6826 | } | |
6827 | ||
6828 | chan = request->channels[0]; | |
6829 | if (chan->center_freq != wdev->chandef.chan->center_freq) { | |
6830 | wdev_unlock(wdev); | |
6831 | err = -EBUSY; | |
6832 | goto out_free; | |
6833 | } | |
6834 | } | |
6835 | wdev_unlock(wdev); | |
6836 | ||
2a519311 | 6837 | i = 0; |
13874e4b | 6838 | if (n_ssids) { |
2a519311 | 6839 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 6840 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
6841 | err = -EINVAL; |
6842 | goto out_free; | |
6843 | } | |
57a27e1d | 6844 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 6845 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
6846 | i++; |
6847 | } | |
6848 | } | |
6849 | ||
70692ad2 JM |
6850 | if (info->attrs[NL80211_ATTR_IE]) { |
6851 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
6852 | memcpy((void *)request->ie, |
6853 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
6854 | request->ie_len); |
6855 | } | |
6856 | ||
57fbcce3 | 6857 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
a401d2bb JB |
6858 | if (wiphy->bands[i]) |
6859 | request->rates[i] = | |
6860 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
6861 | |
6862 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
6863 | nla_for_each_nested(attr, | |
6864 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
6865 | tmp) { | |
57fbcce3 | 6866 | enum nl80211_band band = nla_type(attr); |
34850ab2 | 6867 | |
57fbcce3 | 6868 | if (band < 0 || band >= NUM_NL80211_BANDS) { |
34850ab2 JB |
6869 | err = -EINVAL; |
6870 | goto out_free; | |
6871 | } | |
1b09cd82 FF |
6872 | |
6873 | if (!wiphy->bands[band]) | |
6874 | continue; | |
6875 | ||
34850ab2 JB |
6876 | err = ieee80211_get_ratemask(wiphy->bands[band], |
6877 | nla_data(attr), | |
6878 | nla_len(attr), | |
6879 | &request->rates[band]); | |
6880 | if (err) | |
6881 | goto out_free; | |
6882 | } | |
6883 | } | |
6884 | ||
1d76250b AS |
6885 | if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { |
6886 | if (!wiphy_ext_feature_isset(wiphy, | |
6887 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) { | |
6888 | err = -EOPNOTSUPP; | |
6889 | goto out_free; | |
6890 | } | |
6891 | ||
6892 | request->duration = | |
6893 | nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); | |
6894 | request->duration_mandatory = | |
6895 | nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); | |
6896 | } | |
6897 | ||
2d23d073 RZ |
6898 | err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs, |
6899 | false); | |
6900 | if (err) | |
6901 | goto out_free; | |
ed473771 | 6902 | |
e9f935e3 RM |
6903 | request->no_cck = |
6904 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
6905 | ||
2fa436b3 VK |
6906 | /* Initial implementation used NL80211_ATTR_MAC to set the specific |
6907 | * BSSID to scan for. This was problematic because that same attribute | |
6908 | * was already used for another purpose (local random MAC address). The | |
6909 | * NL80211_ATTR_BSSID attribute was added to fix this. For backwards | |
6910 | * compatibility with older userspace components, also use the | |
6911 | * NL80211_ATTR_MAC value here if it can be determined to be used for | |
6912 | * the specific BSSID use case instead of the random MAC address | |
6913 | * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use). | |
6914 | */ | |
6915 | if (info->attrs[NL80211_ATTR_BSSID]) | |
6916 | memcpy(request->bssid, | |
6917 | nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN); | |
6918 | else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) && | |
6919 | info->attrs[NL80211_ATTR_MAC]) | |
818965d3 JM |
6920 | memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), |
6921 | ETH_ALEN); | |
6922 | else | |
6923 | eth_broadcast_addr(request->bssid); | |
6924 | ||
fd014284 | 6925 | request->wdev = wdev; |
79c97e97 | 6926 | request->wiphy = &rdev->wiphy; |
15d6030b | 6927 | request->scan_start = jiffies; |
2a519311 | 6928 | |
79c97e97 | 6929 | rdev->scan_req = request; |
e35e4d28 | 6930 | err = rdev_scan(rdev, request); |
2a519311 | 6931 | |
463d0183 | 6932 | if (!err) { |
fd014284 JB |
6933 | nl80211_send_scan_start(rdev, wdev); |
6934 | if (wdev->netdev) | |
6935 | dev_hold(wdev->netdev); | |
4c476991 | 6936 | } else { |
2a519311 | 6937 | out_free: |
79c97e97 | 6938 | rdev->scan_req = NULL; |
2a519311 JB |
6939 | kfree(request); |
6940 | } | |
3b85875a | 6941 | |
f9f47529 | 6942 | unlock: |
2a519311 JB |
6943 | return err; |
6944 | } | |
6945 | ||
91d3ab46 VK |
6946 | static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) |
6947 | { | |
6948 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6949 | struct wireless_dev *wdev = info->user_ptr[1]; | |
6950 | ||
6951 | if (!rdev->ops->abort_scan) | |
6952 | return -EOPNOTSUPP; | |
6953 | ||
6954 | if (rdev->scan_msg) | |
6955 | return 0; | |
6956 | ||
6957 | if (!rdev->scan_req) | |
6958 | return -ENOENT; | |
6959 | ||
6960 | rdev_abort_scan(rdev, wdev); | |
6961 | return 0; | |
6962 | } | |
6963 | ||
3b06d277 AS |
6964 | static int |
6965 | nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, | |
6966 | struct cfg80211_sched_scan_request *request, | |
6967 | struct nlattr **attrs) | |
6968 | { | |
6969 | int tmp, err, i = 0; | |
6970 | struct nlattr *attr; | |
6971 | ||
6972 | if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { | |
6973 | u32 interval; | |
6974 | ||
6975 | /* | |
6976 | * If scan plans are not specified, | |
5a88de53 | 6977 | * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this |
3b06d277 AS |
6978 | * case one scan plan will be set with the specified scan |
6979 | * interval and infinite number of iterations. | |
6980 | */ | |
3b06d277 AS |
6981 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); |
6982 | if (!interval) | |
6983 | return -EINVAL; | |
6984 | ||
6985 | request->scan_plans[0].interval = | |
6986 | DIV_ROUND_UP(interval, MSEC_PER_SEC); | |
6987 | if (!request->scan_plans[0].interval) | |
6988 | return -EINVAL; | |
6989 | ||
6990 | if (request->scan_plans[0].interval > | |
6991 | wiphy->max_sched_scan_plan_interval) | |
6992 | request->scan_plans[0].interval = | |
6993 | wiphy->max_sched_scan_plan_interval; | |
6994 | ||
6995 | return 0; | |
6996 | } | |
6997 | ||
6998 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) { | |
6999 | struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1]; | |
7000 | ||
7001 | if (WARN_ON(i >= n_plans)) | |
7002 | return -EINVAL; | |
7003 | ||
bfe2c7b1 | 7004 | err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX, |
fceb6435 | 7005 | attr, nl80211_plan_policy, NULL); |
3b06d277 AS |
7006 | if (err) |
7007 | return err; | |
7008 | ||
7009 | if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]) | |
7010 | return -EINVAL; | |
7011 | ||
7012 | request->scan_plans[i].interval = | |
7013 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]); | |
7014 | if (!request->scan_plans[i].interval || | |
7015 | request->scan_plans[i].interval > | |
7016 | wiphy->max_sched_scan_plan_interval) | |
7017 | return -EINVAL; | |
7018 | ||
7019 | if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) { | |
7020 | request->scan_plans[i].iterations = | |
7021 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]); | |
7022 | if (!request->scan_plans[i].iterations || | |
7023 | (request->scan_plans[i].iterations > | |
7024 | wiphy->max_sched_scan_plan_iterations)) | |
7025 | return -EINVAL; | |
7026 | } else if (i < n_plans - 1) { | |
7027 | /* | |
7028 | * All scan plans but the last one must specify | |
7029 | * a finite number of iterations | |
7030 | */ | |
7031 | return -EINVAL; | |
7032 | } | |
7033 | ||
7034 | i++; | |
7035 | } | |
7036 | ||
7037 | /* | |
7038 | * The last scan plan must not specify the number of | |
7039 | * iterations, it is supposed to run infinitely | |
7040 | */ | |
7041 | if (request->scan_plans[n_plans - 1].iterations) | |
7042 | return -EINVAL; | |
7043 | ||
7044 | return 0; | |
7045 | } | |
7046 | ||
256da02d | 7047 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 7048 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
aad1e812 | 7049 | struct nlattr **attrs, int max_match_sets) |
807f8a8c LC |
7050 | { |
7051 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 7052 | struct nlattr *attr; |
3b06d277 | 7053 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0; |
57fbcce3 | 7054 | enum nl80211_band band; |
807f8a8c | 7055 | size_t ie_len; |
a1f1c21c | 7056 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 7057 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 7058 | |
256da02d LC |
7059 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
7060 | return ERR_PTR(-EINVAL); | |
807f8a8c | 7061 | |
256da02d | 7062 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 7063 | n_channels = validate_scan_freqs( |
256da02d | 7064 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 7065 | if (!n_channels) |
256da02d | 7066 | return ERR_PTR(-EINVAL); |
807f8a8c | 7067 | } else { |
bdfbec2d | 7068 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
7069 | } |
7070 | ||
256da02d LC |
7071 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
7072 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
7073 | tmp) |
7074 | n_ssids++; | |
7075 | ||
93b6aa69 | 7076 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 7077 | return ERR_PTR(-EINVAL); |
807f8a8c | 7078 | |
ea73cbce JB |
7079 | /* |
7080 | * First, count the number of 'real' matchsets. Due to an issue with | |
7081 | * the old implementation, matchsets containing only the RSSI attribute | |
7082 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
7083 | * RSSI for all matchsets, rather than their own matchset for reporting | |
7084 | * all APs with a strong RSSI. This is needed to be compatible with | |
7085 | * older userspace that treated a matchset with only the RSSI as the | |
7086 | * global RSSI for all other matchsets - if there are other matchsets. | |
7087 | */ | |
256da02d | 7088 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7089 | nla_for_each_nested(attr, |
256da02d | 7090 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
7091 | tmp) { |
7092 | struct nlattr *rssi; | |
7093 | ||
bfe2c7b1 JB |
7094 | err = nla_parse_nested(tb, |
7095 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
fceb6435 JB |
7096 | attr, nl80211_match_policy, |
7097 | NULL); | |
ea73cbce | 7098 | if (err) |
256da02d | 7099 | return ERR_PTR(err); |
3007e352 AVS |
7100 | |
7101 | /* SSID and BSSID are mutually exclusive */ | |
7102 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] && | |
7103 | tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) | |
7104 | return ERR_PTR(-EINVAL); | |
7105 | ||
ea73cbce | 7106 | /* add other standalone attributes here */ |
3007e352 AVS |
7107 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] || |
7108 | tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) { | |
ea73cbce JB |
7109 | n_match_sets++; |
7110 | continue; | |
7111 | } | |
7112 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7113 | if (rssi) | |
7114 | default_match_rssi = nla_get_s32(rssi); | |
7115 | } | |
7116 | } | |
7117 | ||
7118 | /* However, if there's no other matchset, add the RSSI one */ | |
7119 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
7120 | n_match_sets = 1; | |
a1f1c21c | 7121 | |
aad1e812 | 7122 | if (n_match_sets > max_match_sets) |
256da02d | 7123 | return ERR_PTR(-EINVAL); |
a1f1c21c | 7124 | |
256da02d LC |
7125 | if (attrs[NL80211_ATTR_IE]) |
7126 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
7127 | else |
7128 | ie_len = 0; | |
7129 | ||
5a865bad | 7130 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 7131 | return ERR_PTR(-EINVAL); |
c10841ca | 7132 | |
3b06d277 AS |
7133 | if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { |
7134 | /* | |
7135 | * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since | |
7136 | * each scan plan already specifies its own interval | |
7137 | */ | |
7138 | if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
7139 | return ERR_PTR(-EINVAL); | |
7140 | ||
7141 | nla_for_each_nested(attr, | |
7142 | attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) | |
7143 | n_plans++; | |
7144 | } else { | |
7145 | /* | |
7146 | * The scan interval attribute is kept for backward | |
7147 | * compatibility. If no scan plans are specified and sched scan | |
7148 | * interval is specified, one scan plan will be set with this | |
7149 | * scan interval and infinite number of iterations. | |
7150 | */ | |
7151 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
7152 | return ERR_PTR(-EINVAL); | |
7153 | ||
7154 | n_plans = 1; | |
7155 | } | |
7156 | ||
7157 | if (!n_plans || n_plans > wiphy->max_sched_scan_plans) | |
7158 | return ERR_PTR(-EINVAL); | |
7159 | ||
bf95ecdb | 7160 | if (!wiphy_ext_feature_isset( |
7161 | wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) && | |
7162 | (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] || | |
7163 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST])) | |
7164 | return ERR_PTR(-EINVAL); | |
7165 | ||
807f8a8c | 7166 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 7167 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 7168 | + sizeof(*request->match_sets) * n_match_sets |
3b06d277 | 7169 | + sizeof(*request->scan_plans) * n_plans |
a2cd43c5 | 7170 | + sizeof(*request->channels) * n_channels |
807f8a8c | 7171 | + ie_len, GFP_KERNEL); |
256da02d LC |
7172 | if (!request) |
7173 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
7174 | |
7175 | if (n_ssids) | |
7176 | request->ssids = (void *)&request->channels[n_channels]; | |
7177 | request->n_ssids = n_ssids; | |
7178 | if (ie_len) { | |
13874e4b | 7179 | if (n_ssids) |
807f8a8c LC |
7180 | request->ie = (void *)(request->ssids + n_ssids); |
7181 | else | |
7182 | request->ie = (void *)(request->channels + n_channels); | |
7183 | } | |
7184 | ||
a1f1c21c LC |
7185 | if (n_match_sets) { |
7186 | if (request->ie) | |
7187 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 7188 | else if (n_ssids) |
a1f1c21c LC |
7189 | request->match_sets = |
7190 | (void *)(request->ssids + n_ssids); | |
7191 | else | |
7192 | request->match_sets = | |
7193 | (void *)(request->channels + n_channels); | |
7194 | } | |
7195 | request->n_match_sets = n_match_sets; | |
7196 | ||
3b06d277 AS |
7197 | if (n_match_sets) |
7198 | request->scan_plans = (void *)(request->match_sets + | |
7199 | n_match_sets); | |
7200 | else if (request->ie) | |
7201 | request->scan_plans = (void *)(request->ie + ie_len); | |
7202 | else if (n_ssids) | |
7203 | request->scan_plans = (void *)(request->ssids + n_ssids); | |
7204 | else | |
7205 | request->scan_plans = (void *)(request->channels + n_channels); | |
7206 | ||
7207 | request->n_scan_plans = n_plans; | |
7208 | ||
807f8a8c | 7209 | i = 0; |
256da02d | 7210 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
7211 | /* user specified, bail out if channel not found */ |
7212 | nla_for_each_nested(attr, | |
256da02d | 7213 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
7214 | tmp) { |
7215 | struct ieee80211_channel *chan; | |
7216 | ||
7217 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
7218 | ||
7219 | if (!chan) { | |
7220 | err = -EINVAL; | |
7221 | goto out_free; | |
7222 | } | |
7223 | ||
7224 | /* ignore disabled channels */ | |
7225 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7226 | continue; | |
7227 | ||
7228 | request->channels[i] = chan; | |
7229 | i++; | |
7230 | } | |
7231 | } else { | |
7232 | /* all channels */ | |
57fbcce3 | 7233 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
807f8a8c | 7234 | int j; |
7a087e74 | 7235 | |
807f8a8c LC |
7236 | if (!wiphy->bands[band]) |
7237 | continue; | |
7238 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
7239 | struct ieee80211_channel *chan; | |
7240 | ||
7241 | chan = &wiphy->bands[band]->channels[j]; | |
7242 | ||
7243 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7244 | continue; | |
7245 | ||
7246 | request->channels[i] = chan; | |
7247 | i++; | |
7248 | } | |
7249 | } | |
7250 | } | |
7251 | ||
7252 | if (!i) { | |
7253 | err = -EINVAL; | |
7254 | goto out_free; | |
7255 | } | |
7256 | ||
7257 | request->n_channels = i; | |
7258 | ||
7259 | i = 0; | |
13874e4b | 7260 | if (n_ssids) { |
256da02d | 7261 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 7262 | tmp) { |
57a27e1d | 7263 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
7264 | err = -EINVAL; |
7265 | goto out_free; | |
7266 | } | |
57a27e1d | 7267 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
7268 | memcpy(request->ssids[i].ssid, nla_data(attr), |
7269 | nla_len(attr)); | |
807f8a8c LC |
7270 | i++; |
7271 | } | |
7272 | } | |
7273 | ||
a1f1c21c | 7274 | i = 0; |
256da02d | 7275 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7276 | nla_for_each_nested(attr, |
256da02d | 7277 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 7278 | tmp) { |
3007e352 | 7279 | struct nlattr *ssid, *bssid, *rssi; |
a1f1c21c | 7280 | |
bfe2c7b1 JB |
7281 | err = nla_parse_nested(tb, |
7282 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
fceb6435 JB |
7283 | attr, nl80211_match_policy, |
7284 | NULL); | |
ae811e21 JB |
7285 | if (err) |
7286 | goto out_free; | |
4a4ab0d7 | 7287 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
3007e352 AVS |
7288 | bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]; |
7289 | if (ssid || bssid) { | |
ea73cbce JB |
7290 | if (WARN_ON(i >= n_match_sets)) { |
7291 | /* this indicates a programming error, | |
7292 | * the loop above should have verified | |
7293 | * things properly | |
7294 | */ | |
7295 | err = -EINVAL; | |
7296 | goto out_free; | |
7297 | } | |
7298 | ||
3007e352 AVS |
7299 | if (ssid) { |
7300 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
7301 | err = -EINVAL; | |
7302 | goto out_free; | |
7303 | } | |
7304 | memcpy(request->match_sets[i].ssid.ssid, | |
7305 | nla_data(ssid), nla_len(ssid)); | |
7306 | request->match_sets[i].ssid.ssid_len = | |
7307 | nla_len(ssid); | |
7308 | } | |
7309 | if (bssid) { | |
7310 | if (nla_len(bssid) != ETH_ALEN) { | |
7311 | err = -EINVAL; | |
7312 | goto out_free; | |
7313 | } | |
7314 | memcpy(request->match_sets[i].bssid, | |
7315 | nla_data(bssid), ETH_ALEN); | |
a1f1c21c | 7316 | } |
3007e352 | 7317 | |
56ab364f | 7318 | /* special attribute - old implementation w/a */ |
ea73cbce JB |
7319 | request->match_sets[i].rssi_thold = |
7320 | default_match_rssi; | |
7321 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7322 | if (rssi) | |
7323 | request->match_sets[i].rssi_thold = | |
7324 | nla_get_s32(rssi); | |
a1f1c21c LC |
7325 | } |
7326 | i++; | |
7327 | } | |
ea73cbce JB |
7328 | |
7329 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 7330 | if (i == 0 && n_match_sets) |
ea73cbce JB |
7331 | request->match_sets[0].rssi_thold = default_match_rssi; |
7332 | ||
7333 | request->min_rssi_thold = INT_MAX; | |
7334 | for (i = 0; i < n_match_sets; i++) | |
7335 | request->min_rssi_thold = | |
7336 | min(request->match_sets[i].rssi_thold, | |
7337 | request->min_rssi_thold); | |
7338 | } else { | |
7339 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
7340 | } |
7341 | ||
9900e484 JB |
7342 | if (ie_len) { |
7343 | request->ie_len = ie_len; | |
807f8a8c | 7344 | memcpy((void *)request->ie, |
256da02d | 7345 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
7346 | request->ie_len); |
7347 | } | |
7348 | ||
2d23d073 RZ |
7349 | err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true); |
7350 | if (err) | |
7351 | goto out_free; | |
ed473771 | 7352 | |
9c748934 LC |
7353 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
7354 | request->delay = | |
7355 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
7356 | ||
bf95ecdb | 7357 | if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) { |
7358 | request->relative_rssi = nla_get_s8( | |
7359 | attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]); | |
7360 | request->relative_rssi_set = true; | |
7361 | } | |
7362 | ||
7363 | if (request->relative_rssi_set && | |
7364 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) { | |
7365 | struct nl80211_bss_select_rssi_adjust *rssi_adjust; | |
7366 | ||
7367 | rssi_adjust = nla_data( | |
7368 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]); | |
7369 | request->rssi_adjust.band = rssi_adjust->band; | |
7370 | request->rssi_adjust.delta = rssi_adjust->delta; | |
7371 | if (!is_band_valid(wiphy, request->rssi_adjust.band)) { | |
7372 | err = -EINVAL; | |
7373 | goto out_free; | |
7374 | } | |
7375 | } | |
7376 | ||
3b06d277 AS |
7377 | err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); |
7378 | if (err) | |
7379 | goto out_free; | |
7380 | ||
15d6030b | 7381 | request->scan_start = jiffies; |
807f8a8c | 7382 | |
256da02d | 7383 | return request; |
807f8a8c LC |
7384 | |
7385 | out_free: | |
7386 | kfree(request); | |
256da02d LC |
7387 | return ERR_PTR(err); |
7388 | } | |
7389 | ||
7390 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
7391 | struct genl_info *info) | |
7392 | { | |
7393 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7394 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 7395 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 7396 | struct cfg80211_sched_scan_request *sched_scan_req; |
ca986ad9 | 7397 | bool want_multi; |
256da02d LC |
7398 | int err; |
7399 | ||
ca986ad9 | 7400 | if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start) |
256da02d LC |
7401 | return -EOPNOTSUPP; |
7402 | ||
ca986ad9 AVS |
7403 | want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI]; |
7404 | err = cfg80211_sched_scan_req_possible(rdev, want_multi); | |
7405 | if (err) | |
7406 | return err; | |
256da02d | 7407 | |
31a60ed1 | 7408 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
aad1e812 AVS |
7409 | info->attrs, |
7410 | rdev->wiphy.max_match_sets); | |
31a60ed1 JR |
7411 | |
7412 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
7413 | if (err) |
7414 | goto out_err; | |
7415 | ||
ca986ad9 AVS |
7416 | /* leave request id zero for legacy request |
7417 | * or if driver does not support multi-scheduled scan | |
7418 | */ | |
7419 | if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) { | |
7420 | while (!sched_scan_req->reqid) | |
7421 | sched_scan_req->reqid = rdev->wiphy.cookie_counter++; | |
7422 | } | |
7423 | ||
31a60ed1 | 7424 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
7425 | if (err) |
7426 | goto out_free; | |
7427 | ||
31a60ed1 JR |
7428 | sched_scan_req->dev = dev; |
7429 | sched_scan_req->wiphy = &rdev->wiphy; | |
7430 | ||
93a1e86c JR |
7431 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
7432 | sched_scan_req->owner_nlportid = info->snd_portid; | |
7433 | ||
ca986ad9 | 7434 | cfg80211_add_sched_scan_req(rdev, sched_scan_req); |
256da02d | 7435 | |
96b08fd6 | 7436 | nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN); |
256da02d LC |
7437 | return 0; |
7438 | ||
7439 | out_free: | |
31a60ed1 | 7440 | kfree(sched_scan_req); |
256da02d | 7441 | out_err: |
807f8a8c LC |
7442 | return err; |
7443 | } | |
7444 | ||
7445 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
7446 | struct genl_info *info) | |
7447 | { | |
ca986ad9 | 7448 | struct cfg80211_sched_scan_request *req; |
807f8a8c | 7449 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ca986ad9 | 7450 | u64 cookie; |
807f8a8c | 7451 | |
ca986ad9 | 7452 | if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop) |
807f8a8c LC |
7453 | return -EOPNOTSUPP; |
7454 | ||
ca986ad9 AVS |
7455 | if (info->attrs[NL80211_ATTR_COOKIE]) { |
7456 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7457 | return __cfg80211_stop_sched_scan(rdev, cookie, false); | |
7458 | } | |
7459 | ||
7460 | req = list_first_or_null_rcu(&rdev->sched_scan_req_list, | |
7461 | struct cfg80211_sched_scan_request, | |
7462 | list); | |
7463 | if (!req || req->reqid || | |
7464 | (req->owner_nlportid && | |
7465 | req->owner_nlportid != info->snd_portid)) | |
7466 | return -ENOENT; | |
7467 | ||
7468 | return cfg80211_stop_sched_scan_req(rdev, req, false); | |
807f8a8c LC |
7469 | } |
7470 | ||
04f39047 SW |
7471 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
7472 | struct genl_info *info) | |
7473 | { | |
7474 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7475 | struct net_device *dev = info->user_ptr[1]; | |
7476 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7477 | struct cfg80211_chan_def chandef; | |
55f7435c | 7478 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 7479 | unsigned int cac_time_ms; |
04f39047 SW |
7480 | int err; |
7481 | ||
55f7435c LR |
7482 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
7483 | if (dfs_region == NL80211_DFS_UNSET) | |
7484 | return -EINVAL; | |
7485 | ||
04f39047 SW |
7486 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7487 | if (err) | |
7488 | return err; | |
7489 | ||
ff311bc1 SW |
7490 | if (netif_carrier_ok(dev)) |
7491 | return -EBUSY; | |
7492 | ||
04f39047 SW |
7493 | if (wdev->cac_started) |
7494 | return -EBUSY; | |
7495 | ||
2beb6dab | 7496 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 7497 | wdev->iftype); |
04f39047 SW |
7498 | if (err < 0) |
7499 | return err; | |
7500 | ||
7501 | if (err == 0) | |
7502 | return -EINVAL; | |
7503 | ||
fe7c3a1f | 7504 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
7505 | return -EINVAL; |
7506 | ||
7507 | if (!rdev->ops->start_radar_detection) | |
7508 | return -EOPNOTSUPP; | |
7509 | ||
31559f35 JD |
7510 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
7511 | if (WARN_ON(!cac_time_ms)) | |
7512 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
7513 | ||
a1056b1b | 7514 | err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms); |
04f39047 | 7515 | if (!err) { |
9e0e2961 | 7516 | wdev->chandef = chandef; |
04f39047 SW |
7517 | wdev->cac_started = true; |
7518 | wdev->cac_start_time = jiffies; | |
31559f35 | 7519 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 7520 | } |
04f39047 SW |
7521 | return err; |
7522 | } | |
7523 | ||
16ef1fe2 SW |
7524 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
7525 | { | |
7526 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7527 | struct net_device *dev = info->user_ptr[1]; | |
7528 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7529 | struct cfg80211_csa_settings params; | |
7530 | /* csa_attrs is defined static to avoid waste of stack size - this | |
7531 | * function is called under RTNL lock, so this should not be a problem. | |
7532 | */ | |
7533 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 7534 | int err; |
ee4bc9e7 | 7535 | bool need_new_beacon = false; |
8d9de16f | 7536 | bool need_handle_dfs_flag = true; |
9a774c78 | 7537 | int len, i; |
252e07ca | 7538 | u32 cs_count; |
16ef1fe2 SW |
7539 | |
7540 | if (!rdev->ops->channel_switch || | |
7541 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
7542 | return -EOPNOTSUPP; | |
7543 | ||
ee4bc9e7 SW |
7544 | switch (dev->ieee80211_ptr->iftype) { |
7545 | case NL80211_IFTYPE_AP: | |
7546 | case NL80211_IFTYPE_P2P_GO: | |
7547 | need_new_beacon = true; | |
8d9de16f BB |
7548 | /* For all modes except AP the handle_dfs flag needs to be |
7549 | * supplied to tell the kernel that userspace will handle radar | |
7550 | * events when they happen. Otherwise a switch to a channel | |
7551 | * requiring DFS will be rejected. | |
7552 | */ | |
7553 | need_handle_dfs_flag = false; | |
ee4bc9e7 SW |
7554 | |
7555 | /* useless if AP is not running */ | |
7556 | if (!wdev->beacon_interval) | |
1ff79dfa | 7557 | return -ENOTCONN; |
ee4bc9e7 SW |
7558 | break; |
7559 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
7560 | if (!wdev->ssid_len) |
7561 | return -ENOTCONN; | |
7562 | break; | |
c6da674a | 7563 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
7564 | if (!wdev->mesh_id_len) |
7565 | return -ENOTCONN; | |
ee4bc9e7 SW |
7566 | break; |
7567 | default: | |
16ef1fe2 | 7568 | return -EOPNOTSUPP; |
ee4bc9e7 | 7569 | } |
16ef1fe2 SW |
7570 | |
7571 | memset(¶ms, 0, sizeof(params)); | |
7572 | ||
7573 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7574 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
7575 | return -EINVAL; | |
7576 | ||
7577 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 7578 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
7579 | return -EINVAL; |
7580 | ||
252e07ca LC |
7581 | /* Even though the attribute is u32, the specification says |
7582 | * u8, so let's make sure we don't overflow. | |
7583 | */ | |
7584 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
7585 | if (cs_count > 255) | |
7586 | return -EINVAL; | |
7587 | ||
7588 | params.count = cs_count; | |
16ef1fe2 | 7589 | |
ee4bc9e7 SW |
7590 | if (!need_new_beacon) |
7591 | goto skip_beacons; | |
7592 | ||
16ef1fe2 SW |
7593 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
7594 | if (err) | |
7595 | return err; | |
7596 | ||
7597 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
7598 | info->attrs[NL80211_ATTR_CSA_IES], | |
fe52145f | 7599 | nl80211_policy, info->extack); |
16ef1fe2 SW |
7600 | if (err) |
7601 | return err; | |
7602 | ||
7603 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
7604 | if (err) | |
7605 | return err; | |
7606 | ||
7607 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
7608 | return -EINVAL; | |
7609 | ||
9a774c78 AO |
7610 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
7611 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7612 | return -EINVAL; |
7613 | ||
9a774c78 AO |
7614 | params.n_counter_offsets_beacon = len / sizeof(u16); |
7615 | if (rdev->wiphy.max_num_csa_counters && | |
7616 | (params.n_counter_offsets_beacon > | |
7617 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
7618 | return -EINVAL; |
7619 | ||
9a774c78 AO |
7620 | params.counter_offsets_beacon = |
7621 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
7622 | ||
7623 | /* sanity checks - counters should fit and be the same */ | |
7624 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
7625 | u16 offset = params.counter_offsets_beacon[i]; | |
7626 | ||
7627 | if (offset >= params.beacon_csa.tail_len) | |
7628 | return -EINVAL; | |
7629 | ||
7630 | if (params.beacon_csa.tail[offset] != params.count) | |
7631 | return -EINVAL; | |
7632 | } | |
7633 | ||
16ef1fe2 | 7634 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
7635 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
7636 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7637 | return -EINVAL; |
7638 | ||
9a774c78 AO |
7639 | params.n_counter_offsets_presp = len / sizeof(u16); |
7640 | if (rdev->wiphy.max_num_csa_counters && | |
ad5987b4 | 7641 | (params.n_counter_offsets_presp > |
9a774c78 | 7642 | rdev->wiphy.max_num_csa_counters)) |
16ef1fe2 | 7643 | return -EINVAL; |
9a774c78 AO |
7644 | |
7645 | params.counter_offsets_presp = | |
7646 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
7647 | ||
7648 | /* sanity checks - counters should fit and be the same */ | |
7649 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
7650 | u16 offset = params.counter_offsets_presp[i]; | |
7651 | ||
7652 | if (offset >= params.beacon_csa.probe_resp_len) | |
7653 | return -EINVAL; | |
7654 | ||
7655 | if (params.beacon_csa.probe_resp[offset] != | |
7656 | params.count) | |
7657 | return -EINVAL; | |
7658 | } | |
16ef1fe2 SW |
7659 | } |
7660 | ||
ee4bc9e7 | 7661 | skip_beacons: |
16ef1fe2 SW |
7662 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
7663 | if (err) | |
7664 | return err; | |
7665 | ||
923b352f AN |
7666 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
7667 | wdev->iftype)) | |
16ef1fe2 SW |
7668 | return -EINVAL; |
7669 | ||
2beb6dab LC |
7670 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
7671 | ¶ms.chandef, | |
7672 | wdev->iftype); | |
7673 | if (err < 0) | |
7674 | return err; | |
7675 | ||
8d9de16f | 7676 | if (err > 0) { |
2beb6dab | 7677 | params.radar_required = true; |
8d9de16f BB |
7678 | if (need_handle_dfs_flag && |
7679 | !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) { | |
7680 | return -EINVAL; | |
7681 | } | |
7682 | } | |
16ef1fe2 | 7683 | |
16ef1fe2 SW |
7684 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
7685 | params.block_tx = true; | |
7686 | ||
c56589ed SW |
7687 | wdev_lock(wdev); |
7688 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
7689 | wdev_unlock(wdev); | |
7690 | ||
7691 | return err; | |
16ef1fe2 SW |
7692 | } |
7693 | ||
9720bb3a JB |
7694 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
7695 | u32 seq, int flags, | |
2a519311 | 7696 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
7697 | struct wireless_dev *wdev, |
7698 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 7699 | { |
48ab905d | 7700 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 7701 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
7702 | void *hdr; |
7703 | struct nlattr *bss; | |
48ab905d JB |
7704 | |
7705 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 7706 | |
15e47304 | 7707 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
7708 | NL80211_CMD_NEW_SCAN_RESULTS); |
7709 | if (!hdr) | |
7710 | return -1; | |
7711 | ||
9720bb3a JB |
7712 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
7713 | ||
97990a06 JB |
7714 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
7715 | goto nla_put_failure; | |
7716 | if (wdev->netdev && | |
9360ffd1 DM |
7717 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
7718 | goto nla_put_failure; | |
2dad624e ND |
7719 | if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
7720 | NL80211_ATTR_PAD)) | |
97990a06 | 7721 | goto nla_put_failure; |
2a519311 JB |
7722 | |
7723 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
7724 | if (!bss) | |
7725 | goto nla_put_failure; | |
9360ffd1 | 7726 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 7727 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 7728 | goto nla_put_failure; |
9caf0364 JB |
7729 | |
7730 | rcu_read_lock(); | |
0e227084 JB |
7731 | /* indicate whether we have probe response data or not */ |
7732 | if (rcu_access_pointer(res->proberesp_ies) && | |
7733 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
7734 | goto fail_unlock_rcu; | |
7735 | ||
7736 | /* this pointer prefers to be pointed to probe response data | |
7737 | * but is always valid | |
7738 | */ | |
9caf0364 | 7739 | ies = rcu_dereference(res->ies); |
8cef2c9d | 7740 | if (ies) { |
2dad624e ND |
7741 | if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf, |
7742 | NL80211_BSS_PAD)) | |
8cef2c9d | 7743 | goto fail_unlock_rcu; |
8cef2c9d JB |
7744 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
7745 | ies->len, ies->data)) | |
7746 | goto fail_unlock_rcu; | |
9caf0364 | 7747 | } |
0e227084 JB |
7748 | |
7749 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 7750 | ies = rcu_dereference(res->beacon_ies); |
0e227084 | 7751 | if (ies && ies->from_beacon) { |
2dad624e ND |
7752 | if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf, |
7753 | NL80211_BSS_PAD)) | |
8cef2c9d JB |
7754 | goto fail_unlock_rcu; |
7755 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
7756 | ies->len, ies->data)) | |
7757 | goto fail_unlock_rcu; | |
9caf0364 JB |
7758 | } |
7759 | rcu_read_unlock(); | |
7760 | ||
9360ffd1 DM |
7761 | if (res->beacon_interval && |
7762 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
7763 | goto nla_put_failure; | |
7764 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
7765 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 7766 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
7767 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
7768 | jiffies_to_msecs(jiffies - intbss->ts))) | |
7769 | goto nla_put_failure; | |
2a519311 | 7770 | |
1d76250b AS |
7771 | if (intbss->parent_tsf && |
7772 | (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF, | |
7773 | intbss->parent_tsf, NL80211_BSS_PAD) || | |
7774 | nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN, | |
7775 | intbss->parent_bssid))) | |
7776 | goto nla_put_failure; | |
7777 | ||
6e19bc4b | 7778 | if (intbss->ts_boottime && |
2dad624e ND |
7779 | nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, |
7780 | intbss->ts_boottime, NL80211_BSS_PAD)) | |
6e19bc4b DS |
7781 | goto nla_put_failure; |
7782 | ||
77965c97 | 7783 | switch (rdev->wiphy.signal_type) { |
2a519311 | 7784 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
7785 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
7786 | goto nla_put_failure; | |
2a519311 JB |
7787 | break; |
7788 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
7789 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
7790 | goto nla_put_failure; | |
2a519311 JB |
7791 | break; |
7792 | default: | |
7793 | break; | |
7794 | } | |
7795 | ||
48ab905d | 7796 | switch (wdev->iftype) { |
074ac8df | 7797 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 7798 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
7799 | if (intbss == wdev->current_bss && |
7800 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7801 | NL80211_BSS_STATUS_ASSOCIATED)) | |
7802 | goto nla_put_failure; | |
48ab905d JB |
7803 | break; |
7804 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
7805 | if (intbss == wdev->current_bss && |
7806 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7807 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
7808 | goto nla_put_failure; | |
48ab905d JB |
7809 | break; |
7810 | default: | |
7811 | break; | |
7812 | } | |
7813 | ||
2a519311 JB |
7814 | nla_nest_end(msg, bss); |
7815 | ||
053c095a JB |
7816 | genlmsg_end(msg, hdr); |
7817 | return 0; | |
2a519311 | 7818 | |
8cef2c9d JB |
7819 | fail_unlock_rcu: |
7820 | rcu_read_unlock(); | |
2a519311 JB |
7821 | nla_put_failure: |
7822 | genlmsg_cancel(msg, hdr); | |
7823 | return -EMSGSIZE; | |
7824 | } | |
7825 | ||
97990a06 | 7826 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 7827 | { |
48ab905d | 7828 | struct cfg80211_registered_device *rdev; |
2a519311 | 7829 | struct cfg80211_internal_bss *scan; |
48ab905d | 7830 | struct wireless_dev *wdev; |
97990a06 | 7831 | int start = cb->args[2], idx = 0; |
2a519311 JB |
7832 | int err; |
7833 | ||
ea90e0dc | 7834 | rtnl_lock(); |
97990a06 | 7835 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
ea90e0dc JB |
7836 | if (err) { |
7837 | rtnl_unlock(); | |
67748893 | 7838 | return err; |
ea90e0dc | 7839 | } |
2a519311 | 7840 | |
48ab905d JB |
7841 | wdev_lock(wdev); |
7842 | spin_lock_bh(&rdev->bss_lock); | |
7843 | cfg80211_bss_expire(rdev); | |
7844 | ||
9720bb3a JB |
7845 | cb->seq = rdev->bss_generation; |
7846 | ||
48ab905d | 7847 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
7848 | if (++idx <= start) |
7849 | continue; | |
9720bb3a | 7850 | if (nl80211_send_bss(skb, cb, |
2a519311 | 7851 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 7852 | rdev, wdev, scan) < 0) { |
2a519311 | 7853 | idx--; |
67748893 | 7854 | break; |
2a519311 JB |
7855 | } |
7856 | } | |
7857 | ||
48ab905d JB |
7858 | spin_unlock_bh(&rdev->bss_lock); |
7859 | wdev_unlock(wdev); | |
2a519311 | 7860 | |
97990a06 | 7861 | cb->args[2] = idx; |
ea90e0dc | 7862 | rtnl_unlock(); |
2a519311 | 7863 | |
67748893 | 7864 | return skb->len; |
2a519311 JB |
7865 | } |
7866 | ||
15e47304 | 7867 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
7868 | int flags, struct net_device *dev, |
7869 | bool allow_radio_stats, | |
7870 | struct survey_info *survey) | |
61fa713c HS |
7871 | { |
7872 | void *hdr; | |
7873 | struct nlattr *infoattr; | |
7874 | ||
11f78ac3 JB |
7875 | /* skip radio stats if userspace didn't request them */ |
7876 | if (!survey->channel && !allow_radio_stats) | |
7877 | return 0; | |
7878 | ||
15e47304 | 7879 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
7880 | NL80211_CMD_NEW_SURVEY_RESULTS); |
7881 | if (!hdr) | |
7882 | return -ENOMEM; | |
7883 | ||
9360ffd1 DM |
7884 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
7885 | goto nla_put_failure; | |
61fa713c HS |
7886 | |
7887 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
7888 | if (!infoattr) | |
7889 | goto nla_put_failure; | |
7890 | ||
11f78ac3 JB |
7891 | if (survey->channel && |
7892 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
7893 | survey->channel->center_freq)) |
7894 | goto nla_put_failure; | |
7895 | ||
7896 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
7897 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
7898 | goto nla_put_failure; | |
7899 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
7900 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
7901 | goto nla_put_failure; | |
4ed20beb | 7902 | if ((survey->filled & SURVEY_INFO_TIME) && |
2dad624e ND |
7903 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME, |
7904 | survey->time, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7905 | goto nla_put_failure; |
4ed20beb | 7906 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
2dad624e ND |
7907 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY, |
7908 | survey->time_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7909 | goto nla_put_failure; |
4ed20beb | 7910 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
2dad624e ND |
7911 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, |
7912 | survey->time_ext_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7913 | goto nla_put_failure; |
4ed20beb | 7914 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
2dad624e ND |
7915 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX, |
7916 | survey->time_rx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7917 | goto nla_put_failure; |
4ed20beb | 7918 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
2dad624e ND |
7919 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX, |
7920 | survey->time_tx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7921 | goto nla_put_failure; |
052536ab | 7922 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
2dad624e ND |
7923 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN, |
7924 | survey->time_scan, NL80211_SURVEY_INFO_PAD)) | |
052536ab | 7925 | goto nla_put_failure; |
61fa713c HS |
7926 | |
7927 | nla_nest_end(msg, infoattr); | |
7928 | ||
053c095a JB |
7929 | genlmsg_end(msg, hdr); |
7930 | return 0; | |
61fa713c HS |
7931 | |
7932 | nla_put_failure: | |
7933 | genlmsg_cancel(msg, hdr); | |
7934 | return -EMSGSIZE; | |
7935 | } | |
7936 | ||
11f78ac3 | 7937 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c | 7938 | { |
c90c39da | 7939 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
61fa713c | 7940 | struct survey_info survey; |
1b8ec87a | 7941 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
7942 | struct wireless_dev *wdev; |
7943 | int survey_idx = cb->args[2]; | |
61fa713c | 7944 | int res; |
11f78ac3 | 7945 | bool radio_stats; |
61fa713c | 7946 | |
ea90e0dc | 7947 | rtnl_lock(); |
1b8ec87a | 7948 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 | 7949 | if (res) |
ea90e0dc | 7950 | goto out_err; |
61fa713c | 7951 | |
11f78ac3 | 7952 | /* prepare_wdev_dump parsed the attributes */ |
c90c39da | 7953 | radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; |
11f78ac3 | 7954 | |
97990a06 JB |
7955 | if (!wdev->netdev) { |
7956 | res = -EINVAL; | |
7957 | goto out_err; | |
7958 | } | |
7959 | ||
1b8ec87a | 7960 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
7961 | res = -EOPNOTSUPP; |
7962 | goto out_err; | |
7963 | } | |
7964 | ||
7965 | while (1) { | |
1b8ec87a | 7966 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
7967 | if (res == -ENOENT) |
7968 | break; | |
7969 | if (res) | |
7970 | goto out_err; | |
7971 | ||
11f78ac3 JB |
7972 | /* don't send disabled channels, but do send non-channel data */ |
7973 | if (survey.channel && | |
7974 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
7975 | survey_idx++; |
7976 | continue; | |
7977 | } | |
7978 | ||
61fa713c | 7979 | if (nl80211_send_survey(skb, |
15e47304 | 7980 | NETLINK_CB(cb->skb).portid, |
61fa713c | 7981 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 7982 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
7983 | goto out; |
7984 | survey_idx++; | |
7985 | } | |
7986 | ||
7987 | out: | |
97990a06 | 7988 | cb->args[2] = survey_idx; |
61fa713c HS |
7989 | res = skb->len; |
7990 | out_err: | |
ea90e0dc | 7991 | rtnl_unlock(); |
61fa713c HS |
7992 | return res; |
7993 | } | |
7994 | ||
b23aa676 SO |
7995 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
7996 | { | |
7997 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
7998 | NL80211_WPA_VERSION_2)); | |
7999 | } | |
8000 | ||
636a5d36 JM |
8001 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
8002 | { | |
4c476991 JB |
8003 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8004 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8005 | struct ieee80211_channel *chan; |
11b6b5a4 JM |
8006 | const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL; |
8007 | int err, ssid_len, ie_len = 0, auth_data_len = 0; | |
19957bb3 | 8008 | enum nl80211_auth_type auth_type; |
fffd0934 | 8009 | struct key_parse key; |
d5cdfacb | 8010 | bool local_state_change; |
636a5d36 | 8011 | |
f4a11bb0 JB |
8012 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8013 | return -EINVAL; | |
8014 | ||
8015 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8016 | return -EINVAL; | |
8017 | ||
1778092e JM |
8018 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
8019 | return -EINVAL; | |
8020 | ||
19957bb3 JB |
8021 | if (!info->attrs[NL80211_ATTR_SSID]) |
8022 | return -EINVAL; | |
8023 | ||
8024 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
8025 | return -EINVAL; | |
8026 | ||
fffd0934 JB |
8027 | err = nl80211_parse_key(info, &key); |
8028 | if (err) | |
8029 | return err; | |
8030 | ||
8031 | if (key.idx >= 0) { | |
e31b8213 JB |
8032 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
8033 | return -EINVAL; | |
fffd0934 JB |
8034 | if (!key.p.key || !key.p.key_len) |
8035 | return -EINVAL; | |
8036 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
8037 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
8038 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
8039 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
8040 | return -EINVAL; | |
b6b5555b | 8041 | if (key.idx > 3) |
fffd0934 JB |
8042 | return -EINVAL; |
8043 | } else { | |
8044 | key.p.key_len = 0; | |
8045 | key.p.key = NULL; | |
8046 | } | |
8047 | ||
afea0b7a JB |
8048 | if (key.idx >= 0) { |
8049 | int i; | |
8050 | bool ok = false; | |
7a087e74 | 8051 | |
afea0b7a JB |
8052 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
8053 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
8054 | ok = true; | |
8055 | break; | |
8056 | } | |
8057 | } | |
4c476991 JB |
8058 | if (!ok) |
8059 | return -EINVAL; | |
afea0b7a JB |
8060 | } |
8061 | ||
4c476991 JB |
8062 | if (!rdev->ops->auth) |
8063 | return -EOPNOTSUPP; | |
636a5d36 | 8064 | |
074ac8df | 8065 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8066 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8067 | return -EOPNOTSUPP; | |
eec60b03 | 8068 | |
19957bb3 | 8069 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
8070 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
8071 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8072 | if (!chan) | |
4c476991 | 8073 | return -EINVAL; |
636a5d36 | 8074 | |
19957bb3 JB |
8075 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8076 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
8077 | |
8078 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8079 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8080 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8081 | } |
8082 | ||
19957bb3 | 8083 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 8084 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 8085 | return -EINVAL; |
636a5d36 | 8086 | |
63181060 JM |
8087 | if ((auth_type == NL80211_AUTHTYPE_SAE || |
8088 | auth_type == NL80211_AUTHTYPE_FILS_SK || | |
8089 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
8090 | auth_type == NL80211_AUTHTYPE_FILS_PK) && | |
11b6b5a4 | 8091 | !info->attrs[NL80211_ATTR_AUTH_DATA]) |
e39e5b5e JM |
8092 | return -EINVAL; |
8093 | ||
11b6b5a4 | 8094 | if (info->attrs[NL80211_ATTR_AUTH_DATA]) { |
63181060 JM |
8095 | if (auth_type != NL80211_AUTHTYPE_SAE && |
8096 | auth_type != NL80211_AUTHTYPE_FILS_SK && | |
8097 | auth_type != NL80211_AUTHTYPE_FILS_SK_PFS && | |
8098 | auth_type != NL80211_AUTHTYPE_FILS_PK) | |
e39e5b5e | 8099 | return -EINVAL; |
11b6b5a4 JM |
8100 | auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]); |
8101 | auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]); | |
e39e5b5e | 8102 | /* need to include at least Auth Transaction and Status Code */ |
11b6b5a4 | 8103 | if (auth_data_len < 4) |
e39e5b5e JM |
8104 | return -EINVAL; |
8105 | } | |
8106 | ||
d5cdfacb JM |
8107 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8108 | ||
95de817b JB |
8109 | /* |
8110 | * Since we no longer track auth state, ignore | |
8111 | * requests to only change local state. | |
8112 | */ | |
8113 | if (local_state_change) | |
8114 | return 0; | |
8115 | ||
91bf9b26 JB |
8116 | wdev_lock(dev->ieee80211_ptr); |
8117 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
8118 | ssid, ssid_len, ie, ie_len, | |
8119 | key.p.key, key.p.key_len, key.idx, | |
11b6b5a4 | 8120 | auth_data, auth_data_len); |
91bf9b26 JB |
8121 | wdev_unlock(dev->ieee80211_ptr); |
8122 | return err; | |
636a5d36 JM |
8123 | } |
8124 | ||
c0692b8f JB |
8125 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
8126 | struct genl_info *info, | |
3dc27d25 JB |
8127 | struct cfg80211_crypto_settings *settings, |
8128 | int cipher_limit) | |
b23aa676 | 8129 | { |
c0b2bbd8 JB |
8130 | memset(settings, 0, sizeof(*settings)); |
8131 | ||
b23aa676 SO |
8132 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
8133 | ||
c0692b8f JB |
8134 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
8135 | u16 proto; | |
7a087e74 | 8136 | |
c0692b8f JB |
8137 | proto = nla_get_u16( |
8138 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
8139 | settings->control_port_ethertype = cpu_to_be16(proto); | |
8140 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
8141 | proto != ETH_P_PAE) | |
8142 | return -EINVAL; | |
8143 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
8144 | settings->control_port_no_encrypt = true; | |
8145 | } else | |
8146 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
8147 | ||
b23aa676 SO |
8148 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
8149 | void *data; | |
8150 | int len, i; | |
8151 | ||
8152 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
8153 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
8154 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
8155 | ||
8156 | if (len % sizeof(u32)) | |
8157 | return -EINVAL; | |
8158 | ||
3dc27d25 | 8159 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
8160 | return -EINVAL; |
8161 | ||
8162 | memcpy(settings->ciphers_pairwise, data, len); | |
8163 | ||
8164 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
8165 | if (!cfg80211_supported_cipher_suite( |
8166 | &rdev->wiphy, | |
b23aa676 SO |
8167 | settings->ciphers_pairwise[i])) |
8168 | return -EINVAL; | |
8169 | } | |
8170 | ||
8171 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
8172 | settings->cipher_group = | |
8173 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
8174 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
8175 | settings->cipher_group)) | |
b23aa676 SO |
8176 | return -EINVAL; |
8177 | } | |
8178 | ||
8179 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
8180 | settings->wpa_versions = | |
8181 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
8182 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
8183 | return -EINVAL; | |
8184 | } | |
8185 | ||
8186 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
8187 | void *data; | |
6d30240e | 8188 | int len; |
b23aa676 SO |
8189 | |
8190 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
8191 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
8192 | settings->n_akm_suites = len / sizeof(u32); | |
8193 | ||
8194 | if (len % sizeof(u32)) | |
8195 | return -EINVAL; | |
8196 | ||
1b9ca027 JM |
8197 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
8198 | return -EINVAL; | |
8199 | ||
b23aa676 | 8200 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
8201 | } |
8202 | ||
91b5ab62 EP |
8203 | if (info->attrs[NL80211_ATTR_PMK]) { |
8204 | if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN) | |
8205 | return -EINVAL; | |
8206 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
8207 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK)) | |
8208 | return -EINVAL; | |
8209 | settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
8210 | } | |
8211 | ||
b23aa676 SO |
8212 | return 0; |
8213 | } | |
8214 | ||
636a5d36 JM |
8215 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
8216 | { | |
4c476991 JB |
8217 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8218 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 8219 | struct ieee80211_channel *chan; |
f62fab73 JB |
8220 | struct cfg80211_assoc_request req = {}; |
8221 | const u8 *bssid, *ssid; | |
8222 | int err, ssid_len = 0; | |
636a5d36 | 8223 | |
f4a11bb0 JB |
8224 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8225 | return -EINVAL; | |
8226 | ||
8227 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
8228 | !info->attrs[NL80211_ATTR_SSID] || |
8229 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
8230 | return -EINVAL; |
8231 | ||
4c476991 JB |
8232 | if (!rdev->ops->assoc) |
8233 | return -EOPNOTSUPP; | |
636a5d36 | 8234 | |
074ac8df | 8235 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8236 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8237 | return -EOPNOTSUPP; | |
eec60b03 | 8238 | |
19957bb3 | 8239 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8240 | |
664834de JM |
8241 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
8242 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8243 | if (!chan) | |
4c476991 | 8244 | return -EINVAL; |
636a5d36 | 8245 | |
19957bb3 JB |
8246 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8247 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
8248 | |
8249 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
8250 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8251 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8252 | } |
8253 | ||
dc6382ce | 8254 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 8255 | enum nl80211_mfp mfp = |
dc6382ce | 8256 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 8257 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 8258 | req.use_mfp = true; |
4c476991 JB |
8259 | else if (mfp != NL80211_MFP_NO) |
8260 | return -EINVAL; | |
dc6382ce JM |
8261 | } |
8262 | ||
3e5d7649 | 8263 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 8264 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 8265 | |
7e7c8926 | 8266 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 8267 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
8268 | |
8269 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
8270 | memcpy(&req.ht_capa_mask, |
8271 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8272 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
8273 | |
8274 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 8275 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 8276 | return -EINVAL; |
f62fab73 JB |
8277 | memcpy(&req.ht_capa, |
8278 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8279 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
8280 | } |
8281 | ||
ee2aca34 | 8282 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 8283 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
8284 | |
8285 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
8286 | memcpy(&req.vht_capa_mask, |
8287 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8288 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
8289 | |
8290 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 8291 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 8292 | return -EINVAL; |
f62fab73 JB |
8293 | memcpy(&req.vht_capa, |
8294 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8295 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
8296 | } |
8297 | ||
bab5ab7d | 8298 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8299 | if (!((rdev->wiphy.features & |
8300 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8301 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8302 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8303 | NL80211_EXT_FEATURE_RRM)) | |
bab5ab7d AK |
8304 | return -EINVAL; |
8305 | req.flags |= ASSOC_REQ_USE_RRM; | |
8306 | } | |
8307 | ||
348bd456 JM |
8308 | if (info->attrs[NL80211_ATTR_FILS_KEK]) { |
8309 | req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8310 | req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8311 | if (!info->attrs[NL80211_ATTR_FILS_NONCES]) | |
8312 | return -EINVAL; | |
8313 | req.fils_nonces = | |
8314 | nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]); | |
8315 | } | |
8316 | ||
f62fab73 | 8317 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
8318 | if (!err) { |
8319 | wdev_lock(dev->ieee80211_ptr); | |
bd2522b1 | 8320 | |
f62fab73 JB |
8321 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
8322 | ssid, ssid_len, &req); | |
bd2522b1 AZ |
8323 | |
8324 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
8325 | dev->ieee80211_ptr->conn_owner_nlportid = | |
8326 | info->snd_portid; | |
8327 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
8328 | bssid, ETH_ALEN); | |
8329 | } | |
8330 | ||
91bf9b26 JB |
8331 | wdev_unlock(dev->ieee80211_ptr); |
8332 | } | |
636a5d36 | 8333 | |
636a5d36 JM |
8334 | return err; |
8335 | } | |
8336 | ||
8337 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
8338 | { | |
4c476991 JB |
8339 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8340 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8341 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8342 | int ie_len = 0, err; |
19957bb3 | 8343 | u16 reason_code; |
d5cdfacb | 8344 | bool local_state_change; |
636a5d36 | 8345 | |
f4a11bb0 JB |
8346 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8347 | return -EINVAL; | |
8348 | ||
8349 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8350 | return -EINVAL; | |
8351 | ||
8352 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8353 | return -EINVAL; | |
8354 | ||
4c476991 JB |
8355 | if (!rdev->ops->deauth) |
8356 | return -EOPNOTSUPP; | |
636a5d36 | 8357 | |
074ac8df | 8358 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8359 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8360 | return -EOPNOTSUPP; | |
eec60b03 | 8361 | |
19957bb3 | 8362 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8363 | |
19957bb3 JB |
8364 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8365 | if (reason_code == 0) { | |
f4a11bb0 | 8366 | /* Reason Code 0 is reserved */ |
4c476991 | 8367 | return -EINVAL; |
255e737e | 8368 | } |
636a5d36 JM |
8369 | |
8370 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8371 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8372 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8373 | } |
8374 | ||
d5cdfacb JM |
8375 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8376 | ||
91bf9b26 JB |
8377 | wdev_lock(dev->ieee80211_ptr); |
8378 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
8379 | local_state_change); | |
8380 | wdev_unlock(dev->ieee80211_ptr); | |
8381 | return err; | |
636a5d36 JM |
8382 | } |
8383 | ||
8384 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
8385 | { | |
4c476991 JB |
8386 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8387 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8388 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8389 | int ie_len = 0, err; |
19957bb3 | 8390 | u16 reason_code; |
d5cdfacb | 8391 | bool local_state_change; |
636a5d36 | 8392 | |
f4a11bb0 JB |
8393 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8394 | return -EINVAL; | |
8395 | ||
8396 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8397 | return -EINVAL; | |
8398 | ||
8399 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8400 | return -EINVAL; | |
8401 | ||
4c476991 JB |
8402 | if (!rdev->ops->disassoc) |
8403 | return -EOPNOTSUPP; | |
636a5d36 | 8404 | |
074ac8df | 8405 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8406 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8407 | return -EOPNOTSUPP; | |
eec60b03 | 8408 | |
19957bb3 | 8409 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8410 | |
19957bb3 JB |
8411 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8412 | if (reason_code == 0) { | |
f4a11bb0 | 8413 | /* Reason Code 0 is reserved */ |
4c476991 | 8414 | return -EINVAL; |
255e737e | 8415 | } |
636a5d36 JM |
8416 | |
8417 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8418 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8419 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8420 | } |
8421 | ||
d5cdfacb JM |
8422 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8423 | ||
91bf9b26 JB |
8424 | wdev_lock(dev->ieee80211_ptr); |
8425 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
8426 | local_state_change); | |
8427 | wdev_unlock(dev->ieee80211_ptr); | |
8428 | return err; | |
636a5d36 JM |
8429 | } |
8430 | ||
dd5b4cc7 FF |
8431 | static bool |
8432 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
57fbcce3 | 8433 | int mcast_rate[NUM_NL80211_BANDS], |
dd5b4cc7 FF |
8434 | int rateval) |
8435 | { | |
8436 | struct wiphy *wiphy = &rdev->wiphy; | |
8437 | bool found = false; | |
8438 | int band, i; | |
8439 | ||
57fbcce3 | 8440 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
dd5b4cc7 FF |
8441 | struct ieee80211_supported_band *sband; |
8442 | ||
8443 | sband = wiphy->bands[band]; | |
8444 | if (!sband) | |
8445 | continue; | |
8446 | ||
8447 | for (i = 0; i < sband->n_bitrates; i++) { | |
8448 | if (sband->bitrates[i].bitrate == rateval) { | |
8449 | mcast_rate[band] = i + 1; | |
8450 | found = true; | |
8451 | break; | |
8452 | } | |
8453 | } | |
8454 | } | |
8455 | ||
8456 | return found; | |
8457 | } | |
8458 | ||
04a773ad JB |
8459 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
8460 | { | |
4c476991 JB |
8461 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8462 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
8463 | struct cfg80211_ibss_params ibss; |
8464 | struct wiphy *wiphy; | |
fffd0934 | 8465 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
8466 | int err; |
8467 | ||
8e30bc55 JB |
8468 | memset(&ibss, 0, sizeof(ibss)); |
8469 | ||
04a773ad JB |
8470 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8471 | return -EINVAL; | |
8472 | ||
683b6d3b | 8473 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
8474 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
8475 | return -EINVAL; | |
8476 | ||
8e30bc55 JB |
8477 | ibss.beacon_interval = 100; |
8478 | ||
12d20fc9 | 8479 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) |
8e30bc55 JB |
8480 | ibss.beacon_interval = |
8481 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 8482 | |
0c317a02 PK |
8483 | err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC, |
8484 | ibss.beacon_interval); | |
12d20fc9 PK |
8485 | if (err) |
8486 | return err; | |
8e30bc55 | 8487 | |
4c476991 JB |
8488 | if (!rdev->ops->join_ibss) |
8489 | return -EOPNOTSUPP; | |
04a773ad | 8490 | |
4c476991 JB |
8491 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8492 | return -EOPNOTSUPP; | |
04a773ad | 8493 | |
79c97e97 | 8494 | wiphy = &rdev->wiphy; |
04a773ad | 8495 | |
39193498 | 8496 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 8497 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
8498 | |
8499 | if (!is_valid_ether_addr(ibss.bssid)) | |
8500 | return -EINVAL; | |
8501 | } | |
04a773ad JB |
8502 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8503 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8504 | ||
8505 | if (info->attrs[NL80211_ATTR_IE]) { | |
8506 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8507 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8508 | } | |
8509 | ||
683b6d3b JB |
8510 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
8511 | if (err) | |
8512 | return err; | |
04a773ad | 8513 | |
174e0cd2 IP |
8514 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
8515 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
8516 | return -EINVAL; |
8517 | ||
2f301ab2 | 8518 | switch (ibss.chandef.width) { |
bf372645 SW |
8519 | case NL80211_CHAN_WIDTH_5: |
8520 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
8521 | case NL80211_CHAN_WIDTH_20_NOHT: |
8522 | break; | |
8523 | case NL80211_CHAN_WIDTH_20: | |
8524 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
8525 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
8526 | return -EINVAL; | |
8527 | break; | |
8528 | case NL80211_CHAN_WIDTH_80: | |
8529 | case NL80211_CHAN_WIDTH_80P80: | |
8530 | case NL80211_CHAN_WIDTH_160: | |
8531 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
8532 | return -EINVAL; | |
8533 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
8534 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
8535 | return -EINVAL; | |
8536 | break; | |
2f301ab2 | 8537 | default: |
c04d6150 | 8538 | return -EINVAL; |
2f301ab2 | 8539 | } |
db9c64cf | 8540 | |
04a773ad | 8541 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
8542 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
8543 | ||
fbd2c8dc TP |
8544 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8545 | u8 *rates = | |
8546 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8547 | int n_rates = | |
8548 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8549 | struct ieee80211_supported_band *sband = | |
683b6d3b | 8550 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 8551 | |
34850ab2 JB |
8552 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
8553 | &ibss.basic_rates); | |
8554 | if (err) | |
8555 | return err; | |
fbd2c8dc | 8556 | } |
dd5b4cc7 | 8557 | |
803768f5 SW |
8558 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
8559 | memcpy(&ibss.ht_capa_mask, | |
8560 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8561 | sizeof(ibss.ht_capa_mask)); | |
8562 | ||
8563 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
8564 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8565 | return -EINVAL; | |
8566 | memcpy(&ibss.ht_capa, | |
8567 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8568 | sizeof(ibss.ht_capa)); | |
8569 | } | |
8570 | ||
dd5b4cc7 FF |
8571 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8572 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
8573 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8574 | return -EINVAL; | |
fbd2c8dc | 8575 | |
4c476991 | 8576 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
8577 | bool no_ht = false; |
8578 | ||
4c476991 | 8579 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
8580 | info->attrs[NL80211_ATTR_KEYS], |
8581 | &no_ht); | |
4c476991 JB |
8582 | if (IS_ERR(connkeys)) |
8583 | return PTR_ERR(connkeys); | |
de7044ee | 8584 | |
3d9d1d66 JB |
8585 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
8586 | no_ht) { | |
5e950a78 | 8587 | kzfree(connkeys); |
de7044ee SM |
8588 | return -EINVAL; |
8589 | } | |
4c476991 | 8590 | } |
04a773ad | 8591 | |
267335d6 AQ |
8592 | ibss.control_port = |
8593 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
8594 | ||
5336fa88 SW |
8595 | ibss.userspace_handles_dfs = |
8596 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
8597 | ||
4c476991 | 8598 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 8599 | if (err) |
b47f610b | 8600 | kzfree(connkeys); |
04a773ad JB |
8601 | return err; |
8602 | } | |
8603 | ||
8604 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
8605 | { | |
4c476991 JB |
8606 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8607 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 8608 | |
4c476991 JB |
8609 | if (!rdev->ops->leave_ibss) |
8610 | return -EOPNOTSUPP; | |
04a773ad | 8611 | |
4c476991 JB |
8612 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8613 | return -EOPNOTSUPP; | |
04a773ad | 8614 | |
4c476991 | 8615 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
8616 | } |
8617 | ||
f4e583c8 AQ |
8618 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
8619 | { | |
8620 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8621 | struct net_device *dev = info->user_ptr[1]; | |
57fbcce3 | 8622 | int mcast_rate[NUM_NL80211_BANDS]; |
f4e583c8 AQ |
8623 | u32 nla_rate; |
8624 | int err; | |
8625 | ||
8626 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
8627 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
8628 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
8629 | return -EOPNOTSUPP; |
8630 | ||
8631 | if (!rdev->ops->set_mcast_rate) | |
8632 | return -EOPNOTSUPP; | |
8633 | ||
8634 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
8635 | ||
8636 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
8637 | return -EINVAL; | |
8638 | ||
8639 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
8640 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
8641 | return -EINVAL; | |
8642 | ||
a1056b1b | 8643 | err = rdev_set_mcast_rate(rdev, dev, mcast_rate); |
f4e583c8 AQ |
8644 | |
8645 | return err; | |
8646 | } | |
8647 | ||
ad7e718c JB |
8648 | static struct sk_buff * |
8649 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
8650 | struct wireless_dev *wdev, int approxlen, |
8651 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
8652 | enum nl80211_attrs attr, |
8653 | const struct nl80211_vendor_cmd_info *info, | |
8654 | gfp_t gfp) | |
ad7e718c JB |
8655 | { |
8656 | struct sk_buff *skb; | |
8657 | void *hdr; | |
8658 | struct nlattr *data; | |
8659 | ||
8660 | skb = nlmsg_new(approxlen + 100, gfp); | |
8661 | if (!skb) | |
8662 | return NULL; | |
8663 | ||
8664 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
8665 | if (!hdr) { | |
8666 | kfree_skb(skb); | |
8667 | return NULL; | |
8668 | } | |
8669 | ||
8670 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
8671 | goto nla_put_failure; | |
567ffc35 JB |
8672 | |
8673 | if (info) { | |
8674 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
8675 | info->vendor_id)) | |
8676 | goto nla_put_failure; | |
8677 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
8678 | info->subcmd)) | |
8679 | goto nla_put_failure; | |
8680 | } | |
8681 | ||
6c09e791 | 8682 | if (wdev) { |
2dad624e ND |
8683 | if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
8684 | wdev_id(wdev), NL80211_ATTR_PAD)) | |
6c09e791 AK |
8685 | goto nla_put_failure; |
8686 | if (wdev->netdev && | |
8687 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
8688 | wdev->netdev->ifindex)) | |
8689 | goto nla_put_failure; | |
8690 | } | |
8691 | ||
ad7e718c | 8692 | data = nla_nest_start(skb, attr); |
76e1fb4b JB |
8693 | if (!data) |
8694 | goto nla_put_failure; | |
ad7e718c JB |
8695 | |
8696 | ((void **)skb->cb)[0] = rdev; | |
8697 | ((void **)skb->cb)[1] = hdr; | |
8698 | ((void **)skb->cb)[2] = data; | |
8699 | ||
8700 | return skb; | |
8701 | ||
8702 | nla_put_failure: | |
8703 | kfree_skb(skb); | |
8704 | return NULL; | |
8705 | } | |
f4e583c8 | 8706 | |
e03ad6ea | 8707 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 8708 | struct wireless_dev *wdev, |
e03ad6ea JB |
8709 | enum nl80211_commands cmd, |
8710 | enum nl80211_attrs attr, | |
8711 | int vendor_event_idx, | |
8712 | int approxlen, gfp_t gfp) | |
8713 | { | |
f26cbf40 | 8714 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
8715 | const struct nl80211_vendor_cmd_info *info; |
8716 | ||
8717 | switch (cmd) { | |
8718 | case NL80211_CMD_TESTMODE: | |
8719 | if (WARN_ON(vendor_event_idx != -1)) | |
8720 | return NULL; | |
8721 | info = NULL; | |
8722 | break; | |
8723 | case NL80211_CMD_VENDOR: | |
8724 | if (WARN_ON(vendor_event_idx < 0 || | |
8725 | vendor_event_idx >= wiphy->n_vendor_events)) | |
8726 | return NULL; | |
8727 | info = &wiphy->vendor_events[vendor_event_idx]; | |
8728 | break; | |
8729 | default: | |
8730 | WARN_ON(1); | |
8731 | return NULL; | |
8732 | } | |
8733 | ||
6c09e791 | 8734 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0, |
e03ad6ea JB |
8735 | cmd, attr, info, gfp); |
8736 | } | |
8737 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
8738 | ||
8739 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
8740 | { | |
8741 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
8742 | void *hdr = ((void **)skb->cb)[1]; | |
8743 | struct nlattr *data = ((void **)skb->cb)[2]; | |
8744 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
8745 | ||
bd8c78e7 JB |
8746 | /* clear CB data for netlink core to own from now on */ |
8747 | memset(skb->cb, 0, sizeof(skb->cb)); | |
8748 | ||
e03ad6ea JB |
8749 | nla_nest_end(skb, data); |
8750 | genlmsg_end(skb, hdr); | |
8751 | ||
8752 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
8753 | mcgrp = NL80211_MCGRP_VENDOR; | |
8754 | ||
8755 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
8756 | mcgrp, gfp); | |
8757 | } | |
8758 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
8759 | ||
aff89a9b | 8760 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
8761 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
8762 | { | |
4c476991 | 8763 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
8764 | struct wireless_dev *wdev = |
8765 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
8766 | int err; |
8767 | ||
fc73f11f DS |
8768 | if (!rdev->ops->testmode_cmd) |
8769 | return -EOPNOTSUPP; | |
8770 | ||
8771 | if (IS_ERR(wdev)) { | |
8772 | err = PTR_ERR(wdev); | |
8773 | if (err != -EINVAL) | |
8774 | return err; | |
8775 | wdev = NULL; | |
8776 | } else if (wdev->wiphy != &rdev->wiphy) { | |
8777 | return -EINVAL; | |
8778 | } | |
8779 | ||
aff89a9b JB |
8780 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
8781 | return -EINVAL; | |
8782 | ||
ad7e718c | 8783 | rdev->cur_cmd_info = info; |
fc73f11f | 8784 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
8785 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
8786 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 8787 | rdev->cur_cmd_info = NULL; |
aff89a9b | 8788 | |
aff89a9b JB |
8789 | return err; |
8790 | } | |
8791 | ||
71063f0e WYG |
8792 | static int nl80211_testmode_dump(struct sk_buff *skb, |
8793 | struct netlink_callback *cb) | |
8794 | { | |
00918d33 | 8795 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
8796 | int err; |
8797 | long phy_idx; | |
8798 | void *data = NULL; | |
8799 | int data_len = 0; | |
8800 | ||
5fe231e8 JB |
8801 | rtnl_lock(); |
8802 | ||
71063f0e WYG |
8803 | if (cb->args[0]) { |
8804 | /* | |
8805 | * 0 is a valid index, but not valid for args[0], | |
8806 | * so we need to offset by 1. | |
8807 | */ | |
8808 | phy_idx = cb->args[0] - 1; | |
a4956dca LC |
8809 | |
8810 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); | |
8811 | if (!rdev) { | |
8812 | err = -ENOENT; | |
8813 | goto out_err; | |
8814 | } | |
71063f0e | 8815 | } else { |
c90c39da JB |
8816 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
8817 | ||
71063f0e | 8818 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
fceb6435 JB |
8819 | attrbuf, nl80211_fam.maxattr, |
8820 | nl80211_policy, NULL); | |
71063f0e | 8821 | if (err) |
5fe231e8 | 8822 | goto out_err; |
00918d33 | 8823 | |
c90c39da | 8824 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
2bd7e35d | 8825 | if (IS_ERR(rdev)) { |
5fe231e8 JB |
8826 | err = PTR_ERR(rdev); |
8827 | goto out_err; | |
00918d33 | 8828 | } |
2bd7e35d | 8829 | phy_idx = rdev->wiphy_idx; |
2bd7e35d | 8830 | |
c90c39da JB |
8831 | if (attrbuf[NL80211_ATTR_TESTDATA]) |
8832 | cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA]; | |
71063f0e WYG |
8833 | } |
8834 | ||
8835 | if (cb->args[1]) { | |
8836 | data = nla_data((void *)cb->args[1]); | |
8837 | data_len = nla_len((void *)cb->args[1]); | |
8838 | } | |
8839 | ||
00918d33 | 8840 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
8841 | err = -EOPNOTSUPP; |
8842 | goto out_err; | |
8843 | } | |
8844 | ||
8845 | while (1) { | |
15e47304 | 8846 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
8847 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8848 | NL80211_CMD_TESTMODE); | |
8849 | struct nlattr *tmdata; | |
8850 | ||
cb35fba3 DC |
8851 | if (!hdr) |
8852 | break; | |
8853 | ||
9360ffd1 | 8854 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
8855 | genlmsg_cancel(skb, hdr); |
8856 | break; | |
8857 | } | |
8858 | ||
8859 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
8860 | if (!tmdata) { | |
8861 | genlmsg_cancel(skb, hdr); | |
8862 | break; | |
8863 | } | |
e35e4d28 | 8864 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
8865 | nla_nest_end(skb, tmdata); |
8866 | ||
8867 | if (err == -ENOBUFS || err == -ENOENT) { | |
8868 | genlmsg_cancel(skb, hdr); | |
8869 | break; | |
8870 | } else if (err) { | |
8871 | genlmsg_cancel(skb, hdr); | |
8872 | goto out_err; | |
8873 | } | |
8874 | ||
8875 | genlmsg_end(skb, hdr); | |
8876 | } | |
8877 | ||
8878 | err = skb->len; | |
8879 | /* see above */ | |
8880 | cb->args[0] = phy_idx + 1; | |
8881 | out_err: | |
5fe231e8 | 8882 | rtnl_unlock(); |
71063f0e WYG |
8883 | return err; |
8884 | } | |
aff89a9b JB |
8885 | #endif |
8886 | ||
b23aa676 SO |
8887 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
8888 | { | |
4c476991 JB |
8889 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8890 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
8891 | struct cfg80211_connect_params connect; |
8892 | struct wiphy *wiphy; | |
fffd0934 | 8893 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
8894 | int err; |
8895 | ||
8896 | memset(&connect, 0, sizeof(connect)); | |
8897 | ||
8898 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8899 | return -EINVAL; | |
8900 | ||
8901 | if (!info->attrs[NL80211_ATTR_SSID] || | |
8902 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
8903 | return -EINVAL; | |
8904 | ||
8905 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
8906 | connect.auth_type = | |
8907 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
8908 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
8909 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
8910 | return -EINVAL; |
8911 | } else | |
8912 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
8913 | ||
8914 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
8915 | ||
3a00df57 AS |
8916 | if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] && |
8917 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8918 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
8919 | return -EINVAL; | |
8920 | connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS]; | |
8921 | ||
c0692b8f | 8922 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 8923 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
8924 | if (err) |
8925 | return err; | |
b23aa676 | 8926 | |
074ac8df | 8927 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8928 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8929 | return -EOPNOTSUPP; | |
b23aa676 | 8930 | |
79c97e97 | 8931 | wiphy = &rdev->wiphy; |
b23aa676 | 8932 | |
4486ea98 BS |
8933 | connect.bg_scan_period = -1; |
8934 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
8935 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
8936 | connect.bg_scan_period = | |
8937 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
8938 | } | |
8939 | ||
b23aa676 SO |
8940 | if (info->attrs[NL80211_ATTR_MAC]) |
8941 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
8942 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
8943 | connect.bssid_hint = | |
8944 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
8945 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8946 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8947 | ||
8948 | if (info->attrs[NL80211_ATTR_IE]) { | |
8949 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8950 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8951 | } | |
8952 | ||
cee00a95 JM |
8953 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
8954 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
8955 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
8956 | connect.mfp != NL80211_MFP_NO) | |
8957 | return -EINVAL; | |
8958 | } else { | |
8959 | connect.mfp = NL80211_MFP_NO; | |
8960 | } | |
8961 | ||
ba6fbacf JM |
8962 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
8963 | connect.prev_bssid = | |
8964 | nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
8965 | ||
b23aa676 | 8966 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
8967 | connect.channel = nl80211_get_valid_chan( |
8968 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8969 | if (!connect.channel) | |
1df4a510 JM |
8970 | return -EINVAL; |
8971 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
8972 | connect.channel_hint = nl80211_get_valid_chan( |
8973 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
8974 | if (!connect.channel_hint) | |
4c476991 | 8975 | return -EINVAL; |
b23aa676 SO |
8976 | } |
8977 | ||
fffd0934 JB |
8978 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
8979 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 8980 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
8981 | if (IS_ERR(connkeys)) |
8982 | return PTR_ERR(connkeys); | |
fffd0934 JB |
8983 | } |
8984 | ||
7e7c8926 BG |
8985 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
8986 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
8987 | ||
8988 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8989 | memcpy(&connect.ht_capa_mask, | |
8990 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8991 | sizeof(connect.ht_capa_mask)); | |
8992 | ||
8993 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 8994 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 8995 | kzfree(connkeys); |
7e7c8926 | 8996 | return -EINVAL; |
b4e4f47e | 8997 | } |
7e7c8926 BG |
8998 | memcpy(&connect.ht_capa, |
8999 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
9000 | sizeof(connect.ht_capa)); | |
9001 | } | |
9002 | ||
ee2aca34 JB |
9003 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
9004 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
9005 | ||
9006 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
9007 | memcpy(&connect.vht_capa_mask, | |
9008 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
9009 | sizeof(connect.vht_capa_mask)); | |
9010 | ||
9011 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
9012 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 9013 | kzfree(connkeys); |
ee2aca34 JB |
9014 | return -EINVAL; |
9015 | } | |
9016 | memcpy(&connect.vht_capa, | |
9017 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
9018 | sizeof(connect.vht_capa)); | |
9019 | } | |
9020 | ||
bab5ab7d | 9021 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
9022 | if (!((rdev->wiphy.features & |
9023 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
9024 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
9025 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
9026 | NL80211_EXT_FEATURE_RRM)) { | |
707554b4 | 9027 | kzfree(connkeys); |
bab5ab7d | 9028 | return -EINVAL; |
707554b4 | 9029 | } |
bab5ab7d AK |
9030 | connect.flags |= ASSOC_REQ_USE_RRM; |
9031 | } | |
9032 | ||
34d50519 | 9033 | connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
57fbcce3 | 9034 | if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) { |
34d50519 LD |
9035 | kzfree(connkeys); |
9036 | return -EOPNOTSUPP; | |
9037 | } | |
9038 | ||
38de03d2 AS |
9039 | if (info->attrs[NL80211_ATTR_BSS_SELECT]) { |
9040 | /* bss selection makes no sense if bssid is set */ | |
9041 | if (connect.bssid) { | |
9042 | kzfree(connkeys); | |
9043 | return -EINVAL; | |
9044 | } | |
9045 | ||
9046 | err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT], | |
9047 | wiphy, &connect.bss_select); | |
9048 | if (err) { | |
9049 | kzfree(connkeys); | |
9050 | return err; | |
9051 | } | |
9052 | } | |
9053 | ||
a3caf744 VK |
9054 | if (wiphy_ext_feature_isset(&rdev->wiphy, |
9055 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) && | |
9056 | info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] && | |
9057 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] && | |
9058 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] && | |
9059 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
9060 | connect.fils_erp_username = | |
9061 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
9062 | connect.fils_erp_username_len = | |
9063 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
9064 | connect.fils_erp_realm = | |
9065 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
9066 | connect.fils_erp_realm_len = | |
9067 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
9068 | connect.fils_erp_next_seq_num = | |
9069 | nla_get_u16( | |
9070 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]); | |
9071 | connect.fils_erp_rrk = | |
9072 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
9073 | connect.fils_erp_rrk_len = | |
9074 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
9075 | } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] || | |
9076 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] || | |
9077 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] || | |
9078 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
9079 | kzfree(connkeys); | |
9080 | return -EINVAL; | |
9081 | } | |
9082 | ||
83739b03 | 9083 | wdev_lock(dev->ieee80211_ptr); |
bd2522b1 | 9084 | |
4ce2bd9c JM |
9085 | err = cfg80211_connect(rdev, dev, &connect, connkeys, |
9086 | connect.prev_bssid); | |
fffd0934 | 9087 | if (err) |
b47f610b | 9088 | kzfree(connkeys); |
bd2522b1 AZ |
9089 | |
9090 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
9091 | dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; | |
9092 | if (connect.bssid) | |
9093 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
9094 | connect.bssid, ETH_ALEN); | |
9095 | else | |
9096 | memset(dev->ieee80211_ptr->disconnect_bssid, | |
9097 | 0, ETH_ALEN); | |
9098 | } | |
9099 | ||
9100 | wdev_unlock(dev->ieee80211_ptr); | |
9101 | ||
b23aa676 SO |
9102 | return err; |
9103 | } | |
9104 | ||
088e8df8 | 9105 | static int nl80211_update_connect_params(struct sk_buff *skb, |
9106 | struct genl_info *info) | |
9107 | { | |
9108 | struct cfg80211_connect_params connect = {}; | |
9109 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9110 | struct net_device *dev = info->user_ptr[1]; | |
9111 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9112 | u32 changed = 0; | |
9113 | int ret; | |
9114 | ||
9115 | if (!rdev->ops->update_connect_params) | |
9116 | return -EOPNOTSUPP; | |
9117 | ||
9118 | if (info->attrs[NL80211_ATTR_IE]) { | |
9119 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9120 | return -EINVAL; | |
9121 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9122 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9123 | changed |= UPDATE_ASSOC_IES; | |
9124 | } | |
9125 | ||
9126 | wdev_lock(dev->ieee80211_ptr); | |
9127 | if (!wdev->current_bss) | |
9128 | ret = -ENOLINK; | |
9129 | else | |
9130 | ret = rdev_update_connect_params(rdev, dev, &connect, changed); | |
9131 | wdev_unlock(dev->ieee80211_ptr); | |
9132 | ||
9133 | return ret; | |
9134 | } | |
9135 | ||
b23aa676 SO |
9136 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) |
9137 | { | |
4c476991 JB |
9138 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9139 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 9140 | u16 reason; |
83739b03 | 9141 | int ret; |
b23aa676 SO |
9142 | |
9143 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
9144 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
9145 | else | |
9146 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
9147 | ||
9148 | if (reason == 0) | |
9149 | return -EINVAL; | |
9150 | ||
074ac8df | 9151 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9152 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9153 | return -EOPNOTSUPP; | |
b23aa676 | 9154 | |
83739b03 JB |
9155 | wdev_lock(dev->ieee80211_ptr); |
9156 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
9157 | wdev_unlock(dev->ieee80211_ptr); | |
9158 | return ret; | |
b23aa676 SO |
9159 | } |
9160 | ||
463d0183 JB |
9161 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
9162 | { | |
4c476991 | 9163 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
9164 | struct net *net; |
9165 | int err; | |
463d0183 | 9166 | |
4b681c82 VK |
9167 | if (info->attrs[NL80211_ATTR_PID]) { |
9168 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
9169 | ||
9170 | net = get_net_ns_by_pid(pid); | |
9171 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
9172 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 9173 | |
4b681c82 VK |
9174 | net = get_net_ns_by_fd(fd); |
9175 | } else { | |
9176 | return -EINVAL; | |
9177 | } | |
463d0183 | 9178 | |
4c476991 JB |
9179 | if (IS_ERR(net)) |
9180 | return PTR_ERR(net); | |
463d0183 JB |
9181 | |
9182 | err = 0; | |
9183 | ||
9184 | /* check if anything to do */ | |
4c476991 JB |
9185 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
9186 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 9187 | |
463d0183 | 9188 | put_net(net); |
463d0183 JB |
9189 | return err; |
9190 | } | |
9191 | ||
67fbb16b SO |
9192 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
9193 | { | |
4c476991 | 9194 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
9195 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
9196 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 9197 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
9198 | struct cfg80211_pmksa pmksa; |
9199 | ||
9200 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
9201 | ||
67fbb16b SO |
9202 | if (!info->attrs[NL80211_ATTR_PMKID]) |
9203 | return -EINVAL; | |
9204 | ||
67fbb16b | 9205 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
a3caf744 VK |
9206 | |
9207 | if (info->attrs[NL80211_ATTR_MAC]) { | |
9208 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9209 | } else if (info->attrs[NL80211_ATTR_SSID] && | |
9210 | info->attrs[NL80211_ATTR_FILS_CACHE_ID] && | |
9211 | (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA || | |
9212 | info->attrs[NL80211_ATTR_PMK])) { | |
9213 | pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
9214 | pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
9215 | pmksa.cache_id = | |
9216 | nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]); | |
9217 | } else { | |
9218 | return -EINVAL; | |
9219 | } | |
9220 | if (info->attrs[NL80211_ATTR_PMK]) { | |
9221 | pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
9222 | pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]); | |
9223 | } | |
67fbb16b | 9224 | |
074ac8df | 9225 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9226 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9227 | return -EOPNOTSUPP; | |
67fbb16b SO |
9228 | |
9229 | switch (info->genlhdr->cmd) { | |
9230 | case NL80211_CMD_SET_PMKSA: | |
9231 | rdev_ops = rdev->ops->set_pmksa; | |
9232 | break; | |
9233 | case NL80211_CMD_DEL_PMKSA: | |
9234 | rdev_ops = rdev->ops->del_pmksa; | |
9235 | break; | |
9236 | default: | |
9237 | WARN_ON(1); | |
9238 | break; | |
9239 | } | |
9240 | ||
4c476991 JB |
9241 | if (!rdev_ops) |
9242 | return -EOPNOTSUPP; | |
67fbb16b | 9243 | |
4c476991 | 9244 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
9245 | } |
9246 | ||
9247 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
9248 | { | |
4c476991 JB |
9249 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9250 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 9251 | |
074ac8df | 9252 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9253 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9254 | return -EOPNOTSUPP; | |
67fbb16b | 9255 | |
4c476991 JB |
9256 | if (!rdev->ops->flush_pmksa) |
9257 | return -EOPNOTSUPP; | |
67fbb16b | 9258 | |
e35e4d28 | 9259 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
9260 | } |
9261 | ||
109086ce AN |
9262 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
9263 | { | |
9264 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9265 | struct net_device *dev = info->user_ptr[1]; | |
9266 | u8 action_code, dialog_token; | |
df942e7b | 9267 | u32 peer_capability = 0; |
109086ce AN |
9268 | u16 status_code; |
9269 | u8 *peer; | |
31fa97c5 | 9270 | bool initiator; |
109086ce AN |
9271 | |
9272 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
9273 | !rdev->ops->tdls_mgmt) | |
9274 | return -EOPNOTSUPP; | |
9275 | ||
9276 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
9277 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
9278 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
9279 | !info->attrs[NL80211_ATTR_IE] || | |
9280 | !info->attrs[NL80211_ATTR_MAC]) | |
9281 | return -EINVAL; | |
9282 | ||
9283 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9284 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
9285 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
9286 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 9287 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
9288 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
9289 | peer_capability = | |
9290 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 9291 | |
e35e4d28 | 9292 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 9293 | dialog_token, status_code, peer_capability, |
31fa97c5 | 9294 | initiator, |
e35e4d28 HG |
9295 | nla_data(info->attrs[NL80211_ATTR_IE]), |
9296 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
9297 | } |
9298 | ||
9299 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
9300 | { | |
9301 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9302 | struct net_device *dev = info->user_ptr[1]; | |
9303 | enum nl80211_tdls_operation operation; | |
9304 | u8 *peer; | |
9305 | ||
9306 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
9307 | !rdev->ops->tdls_oper) | |
9308 | return -EOPNOTSUPP; | |
9309 | ||
9310 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
9311 | !info->attrs[NL80211_ATTR_MAC]) | |
9312 | return -EINVAL; | |
9313 | ||
9314 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
9315 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9316 | ||
e35e4d28 | 9317 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
9318 | } |
9319 | ||
9588bbd5 JM |
9320 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
9321 | struct genl_info *info) | |
9322 | { | |
4c476991 | 9323 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9324 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9325 | struct cfg80211_chan_def chandef; |
34373d12 | 9326 | const struct cfg80211_chan_def *compat_chandef; |
9588bbd5 JM |
9327 | struct sk_buff *msg; |
9328 | void *hdr; | |
9329 | u64 cookie; | |
683b6d3b | 9330 | u32 duration; |
9588bbd5 JM |
9331 | int err; |
9332 | ||
9333 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
9334 | !info->attrs[NL80211_ATTR_DURATION]) | |
9335 | return -EINVAL; | |
9336 | ||
9337 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
9338 | ||
ebf348fc JB |
9339 | if (!rdev->ops->remain_on_channel || |
9340 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
9341 | return -EOPNOTSUPP; | |
9342 | ||
9588bbd5 | 9343 | /* |
ebf348fc JB |
9344 | * We should be on that channel for at least a minimum amount of |
9345 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 9346 | */ |
ebf348fc | 9347 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 9348 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
9349 | return -EINVAL; |
9350 | ||
683b6d3b JB |
9351 | err = nl80211_parse_chandef(rdev, info, &chandef); |
9352 | if (err) | |
9353 | return err; | |
9588bbd5 | 9354 | |
34373d12 VT |
9355 | wdev_lock(wdev); |
9356 | if (!cfg80211_off_channel_oper_allowed(wdev) && | |
9357 | !cfg80211_chandef_identical(&wdev->chandef, &chandef)) { | |
9358 | compat_chandef = cfg80211_chandef_compatible(&wdev->chandef, | |
9359 | &chandef); | |
9360 | if (compat_chandef != &chandef) { | |
9361 | wdev_unlock(wdev); | |
9362 | return -EBUSY; | |
9363 | } | |
9364 | } | |
9365 | wdev_unlock(wdev); | |
9366 | ||
9588bbd5 | 9367 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
9368 | if (!msg) |
9369 | return -ENOMEM; | |
9588bbd5 | 9370 | |
15e47304 | 9371 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 9372 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
9373 | if (!hdr) { |
9374 | err = -ENOBUFS; | |
9588bbd5 JM |
9375 | goto free_msg; |
9376 | } | |
9377 | ||
683b6d3b JB |
9378 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
9379 | duration, &cookie); | |
9588bbd5 JM |
9380 | |
9381 | if (err) | |
9382 | goto free_msg; | |
9383 | ||
2dad624e ND |
9384 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9385 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9386 | goto nla_put_failure; |
9588bbd5 JM |
9387 | |
9388 | genlmsg_end(msg, hdr); | |
4c476991 JB |
9389 | |
9390 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
9391 | |
9392 | nla_put_failure: | |
9393 | err = -ENOBUFS; | |
9394 | free_msg: | |
9395 | nlmsg_free(msg); | |
9588bbd5 JM |
9396 | return err; |
9397 | } | |
9398 | ||
9399 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
9400 | struct genl_info *info) | |
9401 | { | |
4c476991 | 9402 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9403 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 9404 | u64 cookie; |
9588bbd5 JM |
9405 | |
9406 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9407 | return -EINVAL; | |
9408 | ||
4c476991 JB |
9409 | if (!rdev->ops->cancel_remain_on_channel) |
9410 | return -EOPNOTSUPP; | |
9588bbd5 | 9411 | |
9588bbd5 JM |
9412 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
9413 | ||
e35e4d28 | 9414 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
9415 | } |
9416 | ||
13ae75b1 JM |
9417 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, |
9418 | struct genl_info *info) | |
9419 | { | |
13ae75b1 | 9420 | struct cfg80211_bitrate_mask mask; |
a7c7fbff | 9421 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9422 | struct net_device *dev = info->user_ptr[1]; |
a7c7fbff | 9423 | int err; |
13ae75b1 | 9424 | |
4c476991 JB |
9425 | if (!rdev->ops->set_bitrate_mask) |
9426 | return -EOPNOTSUPP; | |
13ae75b1 | 9427 | |
a7c7fbff PK |
9428 | err = nl80211_parse_tx_bitrate_mask(info, &mask); |
9429 | if (err) | |
9430 | return err; | |
13ae75b1 | 9431 | |
e35e4d28 | 9432 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
9433 | } |
9434 | ||
2e161f78 | 9435 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9436 | { |
4c476991 | 9437 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9438 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 9439 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
9440 | |
9441 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
9442 | return -EINVAL; | |
9443 | ||
2e161f78 JB |
9444 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
9445 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 9446 | |
71bbc994 JB |
9447 | switch (wdev->iftype) { |
9448 | case NL80211_IFTYPE_STATION: | |
9449 | case NL80211_IFTYPE_ADHOC: | |
9450 | case NL80211_IFTYPE_P2P_CLIENT: | |
9451 | case NL80211_IFTYPE_AP: | |
9452 | case NL80211_IFTYPE_AP_VLAN: | |
9453 | case NL80211_IFTYPE_MESH_POINT: | |
9454 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9455 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9456 | break; |
cb3b7d87 | 9457 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9458 | default: |
4c476991 | 9459 | return -EOPNOTSUPP; |
71bbc994 | 9460 | } |
026331c4 JM |
9461 | |
9462 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
9463 | if (!rdev->ops->mgmt_tx) |
9464 | return -EOPNOTSUPP; | |
026331c4 | 9465 | |
15e47304 | 9466 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
9467 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
9468 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
9469 | } |
9470 | ||
2e161f78 | 9471 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9472 | { |
4c476991 | 9473 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9474 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9475 | struct cfg80211_chan_def chandef; |
026331c4 | 9476 | int err; |
d64d373f | 9477 | void *hdr = NULL; |
026331c4 | 9478 | u64 cookie; |
e247bd90 | 9479 | struct sk_buff *msg = NULL; |
b176e629 AO |
9480 | struct cfg80211_mgmt_tx_params params = { |
9481 | .dont_wait_for_ack = | |
9482 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
9483 | }; | |
026331c4 | 9484 | |
683b6d3b | 9485 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
9486 | return -EINVAL; |
9487 | ||
4c476991 JB |
9488 | if (!rdev->ops->mgmt_tx) |
9489 | return -EOPNOTSUPP; | |
026331c4 | 9490 | |
71bbc994 | 9491 | switch (wdev->iftype) { |
ea141b75 AQ |
9492 | case NL80211_IFTYPE_P2P_DEVICE: |
9493 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
9494 | return -EINVAL; | |
71bbc994 JB |
9495 | case NL80211_IFTYPE_STATION: |
9496 | case NL80211_IFTYPE_ADHOC: | |
9497 | case NL80211_IFTYPE_P2P_CLIENT: | |
9498 | case NL80211_IFTYPE_AP: | |
9499 | case NL80211_IFTYPE_AP_VLAN: | |
9500 | case NL80211_IFTYPE_MESH_POINT: | |
9501 | case NL80211_IFTYPE_P2P_GO: | |
9502 | break; | |
cb3b7d87 | 9503 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9504 | default: |
4c476991 | 9505 | return -EOPNOTSUPP; |
71bbc994 | 9506 | } |
026331c4 | 9507 | |
f7ca38df | 9508 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 9509 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 9510 | return -EINVAL; |
b176e629 | 9511 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
9512 | |
9513 | /* | |
9514 | * We should wait on the channel for at least a minimum amount | |
9515 | * of time (10ms) but no longer than the driver supports. | |
9516 | */ | |
b176e629 AO |
9517 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
9518 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc | 9519 | return -EINVAL; |
f7ca38df JB |
9520 | } |
9521 | ||
b176e629 | 9522 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 9523 | |
b176e629 | 9524 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
9525 | return -EINVAL; |
9526 | ||
b176e629 | 9527 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 9528 | |
ea141b75 AQ |
9529 | /* get the channel if any has been specified, otherwise pass NULL to |
9530 | * the driver. The latter will use the current one | |
9531 | */ | |
9532 | chandef.chan = NULL; | |
9533 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
9534 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9535 | if (err) | |
9536 | return err; | |
9537 | } | |
9538 | ||
b176e629 | 9539 | if (!chandef.chan && params.offchan) |
ea141b75 | 9540 | return -EINVAL; |
026331c4 | 9541 | |
34373d12 VT |
9542 | wdev_lock(wdev); |
9543 | if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) { | |
9544 | wdev_unlock(wdev); | |
9545 | return -EBUSY; | |
9546 | } | |
9547 | wdev_unlock(wdev); | |
9548 | ||
34d22ce2 AO |
9549 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
9550 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
9551 | ||
9552 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
9553 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9554 | int i; | |
9555 | ||
9556 | if (len % sizeof(u16)) | |
9557 | return -EINVAL; | |
9558 | ||
9559 | params.n_csa_offsets = len / sizeof(u16); | |
9560 | params.csa_offsets = | |
9561 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9562 | ||
9563 | /* check that all the offsets fit the frame */ | |
9564 | for (i = 0; i < params.n_csa_offsets; i++) { | |
9565 | if (params.csa_offsets[i] >= params.len) | |
9566 | return -EINVAL; | |
9567 | } | |
9568 | } | |
9569 | ||
b176e629 | 9570 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
9571 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
9572 | if (!msg) | |
9573 | return -ENOMEM; | |
026331c4 | 9574 | |
15e47304 | 9575 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 9576 | NL80211_CMD_FRAME); |
cb35fba3 DC |
9577 | if (!hdr) { |
9578 | err = -ENOBUFS; | |
e247bd90 JB |
9579 | goto free_msg; |
9580 | } | |
026331c4 | 9581 | } |
e247bd90 | 9582 | |
b176e629 AO |
9583 | params.chan = chandef.chan; |
9584 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
9585 | if (err) |
9586 | goto free_msg; | |
9587 | ||
e247bd90 | 9588 | if (msg) { |
2dad624e ND |
9589 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9590 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9591 | goto nla_put_failure; |
026331c4 | 9592 | |
e247bd90 JB |
9593 | genlmsg_end(msg, hdr); |
9594 | return genlmsg_reply(msg, info); | |
9595 | } | |
9596 | ||
9597 | return 0; | |
026331c4 JM |
9598 | |
9599 | nla_put_failure: | |
9600 | err = -ENOBUFS; | |
9601 | free_msg: | |
9602 | nlmsg_free(msg); | |
026331c4 JM |
9603 | return err; |
9604 | } | |
9605 | ||
f7ca38df JB |
9606 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
9607 | { | |
9608 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 9609 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
9610 | u64 cookie; |
9611 | ||
9612 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9613 | return -EINVAL; | |
9614 | ||
9615 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
9616 | return -EOPNOTSUPP; | |
9617 | ||
71bbc994 JB |
9618 | switch (wdev->iftype) { |
9619 | case NL80211_IFTYPE_STATION: | |
9620 | case NL80211_IFTYPE_ADHOC: | |
9621 | case NL80211_IFTYPE_P2P_CLIENT: | |
9622 | case NL80211_IFTYPE_AP: | |
9623 | case NL80211_IFTYPE_AP_VLAN: | |
9624 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9625 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9626 | break; |
cb3b7d87 | 9627 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9628 | default: |
f7ca38df | 9629 | return -EOPNOTSUPP; |
71bbc994 | 9630 | } |
f7ca38df JB |
9631 | |
9632 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
9633 | ||
e35e4d28 | 9634 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
9635 | } |
9636 | ||
ffb9eb3d KV |
9637 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
9638 | { | |
4c476991 | 9639 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 9640 | struct wireless_dev *wdev; |
4c476991 | 9641 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9642 | u8 ps_state; |
9643 | bool state; | |
9644 | int err; | |
9645 | ||
4c476991 JB |
9646 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
9647 | return -EINVAL; | |
ffb9eb3d KV |
9648 | |
9649 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
9650 | ||
4c476991 JB |
9651 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
9652 | return -EINVAL; | |
ffb9eb3d KV |
9653 | |
9654 | wdev = dev->ieee80211_ptr; | |
9655 | ||
4c476991 JB |
9656 | if (!rdev->ops->set_power_mgmt) |
9657 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9658 | |
9659 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
9660 | ||
9661 | if (state == wdev->ps) | |
4c476991 | 9662 | return 0; |
ffb9eb3d | 9663 | |
e35e4d28 | 9664 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
9665 | if (!err) |
9666 | wdev->ps = state; | |
ffb9eb3d KV |
9667 | return err; |
9668 | } | |
9669 | ||
9670 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
9671 | { | |
4c476991 | 9672 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
9673 | enum nl80211_ps_state ps_state; |
9674 | struct wireless_dev *wdev; | |
4c476991 | 9675 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9676 | struct sk_buff *msg; |
9677 | void *hdr; | |
9678 | int err; | |
9679 | ||
ffb9eb3d KV |
9680 | wdev = dev->ieee80211_ptr; |
9681 | ||
4c476991 JB |
9682 | if (!rdev->ops->set_power_mgmt) |
9683 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9684 | |
9685 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9686 | if (!msg) |
9687 | return -ENOMEM; | |
ffb9eb3d | 9688 | |
15e47304 | 9689 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
9690 | NL80211_CMD_GET_POWER_SAVE); |
9691 | if (!hdr) { | |
4c476991 | 9692 | err = -ENOBUFS; |
ffb9eb3d KV |
9693 | goto free_msg; |
9694 | } | |
9695 | ||
9696 | if (wdev->ps) | |
9697 | ps_state = NL80211_PS_ENABLED; | |
9698 | else | |
9699 | ps_state = NL80211_PS_DISABLED; | |
9700 | ||
9360ffd1 DM |
9701 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
9702 | goto nla_put_failure; | |
ffb9eb3d KV |
9703 | |
9704 | genlmsg_end(msg, hdr); | |
4c476991 | 9705 | return genlmsg_reply(msg, info); |
ffb9eb3d | 9706 | |
4c476991 | 9707 | nla_put_failure: |
ffb9eb3d | 9708 | err = -ENOBUFS; |
4c476991 | 9709 | free_msg: |
ffb9eb3d | 9710 | nlmsg_free(msg); |
ffb9eb3d KV |
9711 | return err; |
9712 | } | |
9713 | ||
94e860f1 JB |
9714 | static const struct nla_policy |
9715 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
4a4b8169 | 9716 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY }, |
d6dc1a38 JO |
9717 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, |
9718 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
9719 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
9720 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
9721 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
bee427b8 | 9722 | [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 }, |
d6dc1a38 JO |
9723 | }; |
9724 | ||
84f10708 | 9725 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 9726 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
9727 | { |
9728 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 9729 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9730 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 9731 | |
d9d8b019 | 9732 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
9733 | return -EINVAL; |
9734 | ||
84f10708 TP |
9735 | if (!rdev->ops->set_cqm_txe_config) |
9736 | return -EOPNOTSUPP; | |
9737 | ||
9738 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
9739 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
9740 | return -EOPNOTSUPP; | |
9741 | ||
e35e4d28 | 9742 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
9743 | } |
9744 | ||
4a4b8169 AZ |
9745 | static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev, |
9746 | struct net_device *dev) | |
9747 | { | |
9748 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9749 | s32 last, low, high; | |
9750 | u32 hyst; | |
9751 | int i, n; | |
9752 | int err; | |
9753 | ||
9754 | /* RSSI reporting disabled? */ | |
9755 | if (!wdev->cqm_config) | |
9756 | return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0); | |
9757 | ||
9758 | /* | |
9759 | * Obtain current RSSI value if possible, if not and no RSSI threshold | |
9760 | * event has been received yet, we should receive an event after a | |
9761 | * connection is established and enough beacons received to calculate | |
9762 | * the average. | |
9763 | */ | |
9764 | if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss && | |
9765 | rdev->ops->get_station) { | |
9766 | struct station_info sinfo; | |
9767 | u8 *mac_addr; | |
9768 | ||
9769 | mac_addr = wdev->current_bss->pub.bssid; | |
9770 | ||
9771 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); | |
9772 | if (err) | |
9773 | return err; | |
9774 | ||
9775 | if (sinfo.filled & BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG)) | |
9776 | wdev->cqm_config->last_rssi_event_value = | |
9777 | (s8) sinfo.rx_beacon_signal_avg; | |
9778 | } | |
9779 | ||
9780 | last = wdev->cqm_config->last_rssi_event_value; | |
9781 | hyst = wdev->cqm_config->rssi_hyst; | |
9782 | n = wdev->cqm_config->n_rssi_thresholds; | |
9783 | ||
9784 | for (i = 0; i < n; i++) | |
9785 | if (last < wdev->cqm_config->rssi_thresholds[i]) | |
9786 | break; | |
9787 | ||
9788 | low = i > 0 ? | |
9789 | (wdev->cqm_config->rssi_thresholds[i - 1] - hyst) : S32_MIN; | |
9790 | high = i < n ? | |
9791 | (wdev->cqm_config->rssi_thresholds[i] + hyst - 1) : S32_MAX; | |
9792 | ||
9793 | return rdev_set_cqm_rssi_range_config(rdev, dev, low, high); | |
9794 | } | |
9795 | ||
d6dc1a38 | 9796 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
4a4b8169 AZ |
9797 | const s32 *thresholds, int n_thresholds, |
9798 | u32 hysteresis) | |
d6dc1a38 | 9799 | { |
4c476991 | 9800 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9801 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9802 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4a4b8169 AZ |
9803 | int i, err; |
9804 | s32 prev = S32_MIN; | |
d6dc1a38 | 9805 | |
4a4b8169 AZ |
9806 | /* Check all values negative and sorted */ |
9807 | for (i = 0; i < n_thresholds; i++) { | |
9808 | if (thresholds[i] > 0 || thresholds[i] <= prev) | |
9809 | return -EINVAL; | |
d6dc1a38 | 9810 | |
4a4b8169 AZ |
9811 | prev = thresholds[i]; |
9812 | } | |
d6dc1a38 | 9813 | |
074ac8df | 9814 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9815 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9816 | return -EOPNOTSUPP; | |
d6dc1a38 | 9817 | |
4a4b8169 AZ |
9818 | wdev_lock(wdev); |
9819 | cfg80211_cqm_config_free(wdev); | |
9820 | wdev_unlock(wdev); | |
9821 | ||
9822 | if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) { | |
9823 | if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */ | |
9824 | return rdev_set_cqm_rssi_config(rdev, dev, 0, 0); | |
9825 | ||
9826 | return rdev_set_cqm_rssi_config(rdev, dev, | |
9827 | thresholds[0], hysteresis); | |
9828 | } | |
9829 | ||
9830 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
9831 | NL80211_EXT_FEATURE_CQM_RSSI_LIST)) | |
9832 | return -EOPNOTSUPP; | |
9833 | ||
9834 | if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */ | |
9835 | n_thresholds = 0; | |
9836 | ||
9837 | wdev_lock(wdev); | |
9838 | if (n_thresholds) { | |
9839 | struct cfg80211_cqm_config *cqm_config; | |
9840 | ||
9841 | cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) + | |
9842 | n_thresholds * sizeof(s32), GFP_KERNEL); | |
9843 | if (!cqm_config) { | |
9844 | err = -ENOMEM; | |
9845 | goto unlock; | |
9846 | } | |
9847 | ||
9848 | cqm_config->rssi_hyst = hysteresis; | |
9849 | cqm_config->n_rssi_thresholds = n_thresholds; | |
9850 | memcpy(cqm_config->rssi_thresholds, thresholds, | |
9851 | n_thresholds * sizeof(s32)); | |
9852 | ||
9853 | wdev->cqm_config = cqm_config; | |
9854 | } | |
9855 | ||
9856 | err = cfg80211_cqm_rssi_update(rdev, dev); | |
9857 | ||
9858 | unlock: | |
9859 | wdev_unlock(wdev); | |
9860 | ||
9861 | return err; | |
d6dc1a38 JO |
9862 | } |
9863 | ||
9864 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
9865 | { | |
9866 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
9867 | struct nlattr *cqm; | |
9868 | int err; | |
9869 | ||
9870 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
9871 | if (!cqm) |
9872 | return -EINVAL; | |
d6dc1a38 JO |
9873 | |
9874 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
fe52145f | 9875 | nl80211_attr_cqm_policy, info->extack); |
d6dc1a38 | 9876 | if (err) |
1da5fcc8 | 9877 | return err; |
d6dc1a38 JO |
9878 | |
9879 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
9880 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
4a4b8169 AZ |
9881 | const s32 *thresholds = |
9882 | nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
9883 | int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
1da5fcc8 | 9884 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); |
d6dc1a38 | 9885 | |
4a4b8169 AZ |
9886 | if (len % 4) |
9887 | return -EINVAL; | |
9888 | ||
9889 | return nl80211_set_cqm_rssi(info, thresholds, len / 4, | |
9890 | hysteresis); | |
1da5fcc8 JB |
9891 | } |
9892 | ||
9893 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
9894 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
9895 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
9896 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
9897 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
9898 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
9899 | ||
9900 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
9901 | } | |
9902 | ||
9903 | return -EINVAL; | |
d6dc1a38 JO |
9904 | } |
9905 | ||
6e0bd6c3 RL |
9906 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
9907 | { | |
9908 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9909 | struct net_device *dev = info->user_ptr[1]; | |
9910 | struct ocb_setup setup = {}; | |
9911 | int err; | |
9912 | ||
9913 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
9914 | if (err) | |
9915 | return err; | |
9916 | ||
9917 | return cfg80211_join_ocb(rdev, dev, &setup); | |
9918 | } | |
9919 | ||
9920 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
9921 | { | |
9922 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9923 | struct net_device *dev = info->user_ptr[1]; | |
9924 | ||
9925 | return cfg80211_leave_ocb(rdev, dev); | |
9926 | } | |
9927 | ||
29cbe68c JB |
9928 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
9929 | { | |
9930 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9931 | struct net_device *dev = info->user_ptr[1]; | |
9932 | struct mesh_config cfg; | |
c80d545d | 9933 | struct mesh_setup setup; |
29cbe68c JB |
9934 | int err; |
9935 | ||
9936 | /* start with default */ | |
9937 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 9938 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 9939 | |
24bdd9f4 | 9940 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 9941 | /* and parse parameters if given */ |
24bdd9f4 | 9942 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
9943 | if (err) |
9944 | return err; | |
9945 | } | |
9946 | ||
9947 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
9948 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
9949 | return -EINVAL; | |
9950 | ||
c80d545d JC |
9951 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
9952 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
9953 | ||
4bb62344 CYY |
9954 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
9955 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
9956 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
9957 | return -EINVAL; | |
9958 | ||
9bdbf04d MP |
9959 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
9960 | setup.beacon_interval = | |
9961 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 9962 | |
0c317a02 PK |
9963 | err = cfg80211_validate_beacon_int(rdev, |
9964 | NL80211_IFTYPE_MESH_POINT, | |
9965 | setup.beacon_interval); | |
12d20fc9 PK |
9966 | if (err) |
9967 | return err; | |
9bdbf04d MP |
9968 | } |
9969 | ||
9970 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
9971 | setup.dtim_period = | |
9972 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
9973 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
9974 | return -EINVAL; | |
9975 | } | |
9976 | ||
c80d545d JC |
9977 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
9978 | /* parse additional setup parameters if given */ | |
9979 | err = nl80211_parse_mesh_setup(info, &setup); | |
9980 | if (err) | |
9981 | return err; | |
9982 | } | |
9983 | ||
d37bb18a TP |
9984 | if (setup.user_mpm) |
9985 | cfg.auto_open_plinks = false; | |
9986 | ||
cc1d2806 | 9987 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
9988 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
9989 | if (err) | |
9990 | return err; | |
cc1d2806 JB |
9991 | } else { |
9992 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 9993 | setup.chandef.chan = NULL; |
cc1d2806 JB |
9994 | } |
9995 | ||
ffb3cf30 AN |
9996 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
9997 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9998 | int n_rates = | |
9999 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
10000 | struct ieee80211_supported_band *sband; | |
10001 | ||
10002 | if (!setup.chandef.chan) | |
10003 | return -EINVAL; | |
10004 | ||
10005 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
10006 | ||
10007 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
10008 | &setup.basic_rates); | |
10009 | if (err) | |
10010 | return err; | |
10011 | } | |
10012 | ||
8564e382 JB |
10013 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
10014 | err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate); | |
10015 | if (err) | |
10016 | return err; | |
10017 | ||
10018 | err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band, | |
10019 | &setup.beacon_rate); | |
10020 | if (err) | |
10021 | return err; | |
10022 | } | |
10023 | ||
d37d49c2 BB |
10024 | setup.userspace_handles_dfs = |
10025 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
10026 | ||
c80d545d | 10027 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
10028 | } |
10029 | ||
10030 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
10031 | { | |
10032 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10033 | struct net_device *dev = info->user_ptr[1]; | |
10034 | ||
10035 | return cfg80211_leave_mesh(rdev, dev); | |
10036 | } | |
10037 | ||
dfb89c56 | 10038 | #ifdef CONFIG_PM |
bb92d199 AK |
10039 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
10040 | struct cfg80211_registered_device *rdev) | |
10041 | { | |
6abb9cb9 | 10042 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
10043 | struct nlattr *nl_pats, *nl_pat; |
10044 | int i, pat_len; | |
10045 | ||
6abb9cb9 | 10046 | if (!wowlan->n_patterns) |
bb92d199 AK |
10047 | return 0; |
10048 | ||
10049 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
10050 | if (!nl_pats) | |
10051 | return -ENOBUFS; | |
10052 | ||
6abb9cb9 | 10053 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
10054 | nl_pat = nla_nest_start(msg, i + 1); |
10055 | if (!nl_pat) | |
10056 | return -ENOBUFS; | |
6abb9cb9 | 10057 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 10058 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 10059 | wowlan->patterns[i].mask) || |
50ac6607 AK |
10060 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
10061 | wowlan->patterns[i].pattern) || | |
10062 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 10063 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
10064 | return -ENOBUFS; |
10065 | nla_nest_end(msg, nl_pat); | |
10066 | } | |
10067 | nla_nest_end(msg, nl_pats); | |
10068 | ||
10069 | return 0; | |
10070 | } | |
10071 | ||
2a0e047e JB |
10072 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
10073 | struct cfg80211_wowlan_tcp *tcp) | |
10074 | { | |
10075 | struct nlattr *nl_tcp; | |
10076 | ||
10077 | if (!tcp) | |
10078 | return 0; | |
10079 | ||
10080 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
10081 | if (!nl_tcp) | |
10082 | return -ENOBUFS; | |
10083 | ||
930345ea JB |
10084 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
10085 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
10086 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
10087 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
10088 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
10089 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
10090 | tcp->payload_len, tcp->payload) || | |
10091 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
10092 | tcp->data_interval) || | |
10093 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
10094 | tcp->wake_len, tcp->wake_data) || | |
10095 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
10096 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
10097 | return -ENOBUFS; | |
10098 | ||
10099 | if (tcp->payload_seq.len && | |
10100 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
10101 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
10102 | return -ENOBUFS; | |
10103 | ||
10104 | if (tcp->payload_tok.len && | |
10105 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
10106 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
10107 | &tcp->payload_tok)) | |
10108 | return -ENOBUFS; | |
10109 | ||
e248ad30 JB |
10110 | nla_nest_end(msg, nl_tcp); |
10111 | ||
2a0e047e JB |
10112 | return 0; |
10113 | } | |
10114 | ||
75453ccb LC |
10115 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
10116 | struct cfg80211_sched_scan_request *req) | |
10117 | { | |
3b06d277 | 10118 | struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan; |
75453ccb LC |
10119 | int i; |
10120 | ||
10121 | if (!req) | |
10122 | return 0; | |
10123 | ||
10124 | nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT); | |
10125 | if (!nd) | |
10126 | return -ENOBUFS; | |
10127 | ||
3b06d277 AS |
10128 | if (req->n_scan_plans == 1 && |
10129 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, | |
10130 | req->scan_plans[0].interval * 1000)) | |
75453ccb LC |
10131 | return -ENOBUFS; |
10132 | ||
21fea567 LC |
10133 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
10134 | return -ENOBUFS; | |
10135 | ||
bf95ecdb | 10136 | if (req->relative_rssi_set) { |
10137 | struct nl80211_bss_select_rssi_adjust rssi_adjust; | |
10138 | ||
10139 | if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI, | |
10140 | req->relative_rssi)) | |
10141 | return -ENOBUFS; | |
10142 | ||
10143 | rssi_adjust.band = req->rssi_adjust.band; | |
10144 | rssi_adjust.delta = req->rssi_adjust.delta; | |
10145 | if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST, | |
10146 | sizeof(rssi_adjust), &rssi_adjust)) | |
10147 | return -ENOBUFS; | |
10148 | } | |
10149 | ||
75453ccb LC |
10150 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
10151 | if (!freqs) | |
10152 | return -ENOBUFS; | |
10153 | ||
53b18980 JB |
10154 | for (i = 0; i < req->n_channels; i++) { |
10155 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
10156 | return -ENOBUFS; | |
10157 | } | |
75453ccb LC |
10158 | |
10159 | nla_nest_end(msg, freqs); | |
10160 | ||
10161 | if (req->n_match_sets) { | |
10162 | matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
76e1fb4b JB |
10163 | if (!matches) |
10164 | return -ENOBUFS; | |
10165 | ||
75453ccb LC |
10166 | for (i = 0; i < req->n_match_sets; i++) { |
10167 | match = nla_nest_start(msg, i); | |
76e1fb4b JB |
10168 | if (!match) |
10169 | return -ENOBUFS; | |
10170 | ||
53b18980 JB |
10171 | if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, |
10172 | req->match_sets[i].ssid.ssid_len, | |
10173 | req->match_sets[i].ssid.ssid)) | |
10174 | return -ENOBUFS; | |
75453ccb LC |
10175 | nla_nest_end(msg, match); |
10176 | } | |
10177 | nla_nest_end(msg, matches); | |
10178 | } | |
10179 | ||
3b06d277 AS |
10180 | scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS); |
10181 | if (!scan_plans) | |
10182 | return -ENOBUFS; | |
10183 | ||
10184 | for (i = 0; i < req->n_scan_plans; i++) { | |
10185 | scan_plan = nla_nest_start(msg, i + 1); | |
76e1fb4b JB |
10186 | if (!scan_plan) |
10187 | return -ENOBUFS; | |
10188 | ||
3b06d277 AS |
10189 | if (!scan_plan || |
10190 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, | |
10191 | req->scan_plans[i].interval) || | |
10192 | (req->scan_plans[i].iterations && | |
10193 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, | |
10194 | req->scan_plans[i].iterations))) | |
10195 | return -ENOBUFS; | |
10196 | nla_nest_end(msg, scan_plan); | |
10197 | } | |
10198 | nla_nest_end(msg, scan_plans); | |
10199 | ||
75453ccb LC |
10200 | nla_nest_end(msg, nd); |
10201 | ||
10202 | return 0; | |
10203 | } | |
10204 | ||
ff1b6e69 JB |
10205 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
10206 | { | |
10207 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10208 | struct sk_buff *msg; | |
10209 | void *hdr; | |
2a0e047e | 10210 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 10211 | |
964dc9e2 | 10212 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
10213 | return -EOPNOTSUPP; |
10214 | ||
6abb9cb9 | 10215 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 10216 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
10217 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
10218 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
10219 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
10220 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
10221 | } |
10222 | ||
10223 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
10224 | if (!msg) |
10225 | return -ENOMEM; | |
10226 | ||
15e47304 | 10227 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
10228 | NL80211_CMD_GET_WOWLAN); |
10229 | if (!hdr) | |
10230 | goto nla_put_failure; | |
10231 | ||
6abb9cb9 | 10232 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
10233 | struct nlattr *nl_wowlan; |
10234 | ||
10235 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
10236 | if (!nl_wowlan) | |
10237 | goto nla_put_failure; | |
10238 | ||
6abb9cb9 | 10239 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 10240 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 10241 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 10242 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 10243 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 10244 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 10245 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 10246 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 10247 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 10248 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 10249 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 10250 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 10251 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
10252 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
10253 | goto nla_put_failure; | |
2a0e047e | 10254 | |
bb92d199 AK |
10255 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
10256 | goto nla_put_failure; | |
2a0e047e | 10257 | |
6abb9cb9 JB |
10258 | if (nl80211_send_wowlan_tcp(msg, |
10259 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 10260 | goto nla_put_failure; |
75453ccb LC |
10261 | |
10262 | if (nl80211_send_wowlan_nd( | |
10263 | msg, | |
10264 | rdev->wiphy.wowlan_config->nd_config)) | |
10265 | goto nla_put_failure; | |
2a0e047e | 10266 | |
ff1b6e69 JB |
10267 | nla_nest_end(msg, nl_wowlan); |
10268 | } | |
10269 | ||
10270 | genlmsg_end(msg, hdr); | |
10271 | return genlmsg_reply(msg, info); | |
10272 | ||
10273 | nla_put_failure: | |
10274 | nlmsg_free(msg); | |
10275 | return -ENOBUFS; | |
10276 | } | |
10277 | ||
2a0e047e JB |
10278 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
10279 | struct nlattr *attr, | |
10280 | struct cfg80211_wowlan *trig) | |
10281 | { | |
10282 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
10283 | struct cfg80211_wowlan_tcp *cfg; | |
10284 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
10285 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
10286 | u32 size; | |
10287 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
10288 | int err, port; | |
10289 | ||
964dc9e2 | 10290 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
10291 | return -EINVAL; |
10292 | ||
bfe2c7b1 | 10293 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr, |
fceb6435 | 10294 | nl80211_wowlan_tcp_policy, NULL); |
2a0e047e JB |
10295 | if (err) |
10296 | return err; | |
10297 | ||
10298 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
10299 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
10300 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
10301 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
10302 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
10303 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
10304 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
10305 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
10306 | return -EINVAL; | |
10307 | ||
10308 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 10309 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
10310 | return -EINVAL; |
10311 | ||
10312 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 10313 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 10314 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
10315 | return -EINVAL; |
10316 | ||
10317 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 10318 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
10319 | return -EINVAL; |
10320 | ||
10321 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
10322 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
10323 | return -EINVAL; | |
10324 | ||
10325 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
10326 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
10327 | ||
10328 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
10329 | tokens_size = tokln - sizeof(*tok); | |
10330 | ||
10331 | if (!tok->len || tokens_size % tok->len) | |
10332 | return -EINVAL; | |
964dc9e2 | 10333 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 10334 | return -EINVAL; |
964dc9e2 | 10335 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 10336 | return -EINVAL; |
964dc9e2 | 10337 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 10338 | return -EINVAL; |
964dc9e2 | 10339 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
10340 | return -EINVAL; |
10341 | if (tok->offset + tok->len > data_size) | |
10342 | return -EINVAL; | |
10343 | } | |
10344 | ||
10345 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
10346 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 10347 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
10348 | return -EINVAL; |
10349 | if (seq->len == 0 || seq->len > 4) | |
10350 | return -EINVAL; | |
10351 | if (seq->len + seq->offset > data_size) | |
10352 | return -EINVAL; | |
10353 | } | |
10354 | ||
10355 | size = sizeof(*cfg); | |
10356 | size += data_size; | |
10357 | size += wake_size + wake_mask_size; | |
10358 | size += tokens_size; | |
10359 | ||
10360 | cfg = kzalloc(size, GFP_KERNEL); | |
10361 | if (!cfg) | |
10362 | return -ENOMEM; | |
67b61f6c JB |
10363 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
10364 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
10365 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
10366 | ETH_ALEN); | |
10367 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
10368 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
10369 | else | |
10370 | port = 0; | |
10371 | #ifdef CONFIG_INET | |
10372 | /* allocate a socket and port for it and use it */ | |
10373 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
10374 | IPPROTO_TCP, &cfg->sock, 1); | |
10375 | if (err) { | |
10376 | kfree(cfg); | |
10377 | return err; | |
10378 | } | |
10379 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
10380 | sock_release(cfg->sock); | |
10381 | kfree(cfg); | |
10382 | return -EADDRINUSE; | |
10383 | } | |
10384 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
10385 | #else | |
10386 | if (!port) { | |
10387 | kfree(cfg); | |
10388 | return -EINVAL; | |
10389 | } | |
10390 | cfg->src_port = port; | |
10391 | #endif | |
10392 | ||
10393 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
10394 | cfg->payload_len = data_size; | |
10395 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
10396 | memcpy((void *)cfg->payload, | |
10397 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
10398 | data_size); | |
10399 | if (seq) | |
10400 | cfg->payload_seq = *seq; | |
10401 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
10402 | cfg->wake_len = wake_size; | |
10403 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
10404 | memcpy((void *)cfg->wake_data, | |
10405 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
10406 | wake_size); | |
10407 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
10408 | data_size + wake_size; | |
10409 | memcpy((void *)cfg->wake_mask, | |
10410 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
10411 | wake_mask_size); | |
10412 | if (tok) { | |
10413 | cfg->tokens_size = tokens_size; | |
10414 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
10415 | } | |
10416 | ||
10417 | trig->tcp = cfg; | |
10418 | ||
10419 | return 0; | |
10420 | } | |
10421 | ||
8cd4d456 LC |
10422 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
10423 | const struct wiphy_wowlan_support *wowlan, | |
10424 | struct nlattr *attr, | |
10425 | struct cfg80211_wowlan *trig) | |
10426 | { | |
10427 | struct nlattr **tb; | |
10428 | int err; | |
10429 | ||
10430 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
10431 | if (!tb) | |
10432 | return -ENOMEM; | |
10433 | ||
10434 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
10435 | err = -EOPNOTSUPP; | |
10436 | goto out; | |
10437 | } | |
10438 | ||
fceb6435 JB |
10439 | err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy, |
10440 | NULL); | |
8cd4d456 LC |
10441 | if (err) |
10442 | goto out; | |
10443 | ||
aad1e812 AVS |
10444 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb, |
10445 | wowlan->max_nd_match_sets); | |
8cd4d456 LC |
10446 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
10447 | if (err) | |
10448 | trig->nd_config = NULL; | |
10449 | ||
10450 | out: | |
10451 | kfree(tb); | |
10452 | return err; | |
10453 | } | |
10454 | ||
ff1b6e69 JB |
10455 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
10456 | { | |
10457 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10458 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 10459 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 10460 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 10461 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 10462 | int err, i; |
6abb9cb9 | 10463 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 10464 | bool regular = false; |
ff1b6e69 | 10465 | |
964dc9e2 | 10466 | if (!wowlan) |
ff1b6e69 JB |
10467 | return -EOPNOTSUPP; |
10468 | ||
ae33bd81 JB |
10469 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
10470 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 10471 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
10472 | goto set_wakeup; |
10473 | } | |
ff1b6e69 | 10474 | |
bfe2c7b1 JB |
10475 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG, |
10476 | info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS], | |
fe52145f | 10477 | nl80211_wowlan_policy, info->extack); |
ff1b6e69 JB |
10478 | if (err) |
10479 | return err; | |
10480 | ||
10481 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
10482 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
10483 | return -EINVAL; | |
10484 | new_triggers.any = true; | |
10485 | } | |
10486 | ||
10487 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
10488 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
10489 | return -EINVAL; | |
10490 | new_triggers.disconnect = true; | |
98fc4386 | 10491 | regular = true; |
ff1b6e69 JB |
10492 | } |
10493 | ||
10494 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
10495 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
10496 | return -EINVAL; | |
10497 | new_triggers.magic_pkt = true; | |
98fc4386 | 10498 | regular = true; |
ff1b6e69 JB |
10499 | } |
10500 | ||
77dbbb13 JB |
10501 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
10502 | return -EINVAL; | |
10503 | ||
10504 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
10505 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
10506 | return -EINVAL; | |
10507 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 10508 | regular = true; |
77dbbb13 JB |
10509 | } |
10510 | ||
10511 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
10512 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
10513 | return -EINVAL; | |
10514 | new_triggers.eap_identity_req = true; | |
98fc4386 | 10515 | regular = true; |
77dbbb13 JB |
10516 | } |
10517 | ||
10518 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
10519 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
10520 | return -EINVAL; | |
10521 | new_triggers.four_way_handshake = true; | |
98fc4386 | 10522 | regular = true; |
77dbbb13 JB |
10523 | } |
10524 | ||
10525 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
10526 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
10527 | return -EINVAL; | |
10528 | new_triggers.rfkill_release = true; | |
98fc4386 | 10529 | regular = true; |
77dbbb13 JB |
10530 | } |
10531 | ||
ff1b6e69 JB |
10532 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
10533 | struct nlattr *pat; | |
10534 | int n_patterns = 0; | |
bb92d199 | 10535 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 10536 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 10537 | |
98fc4386 JB |
10538 | regular = true; |
10539 | ||
ff1b6e69 JB |
10540 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
10541 | rem) | |
10542 | n_patterns++; | |
10543 | if (n_patterns > wowlan->n_patterns) | |
10544 | return -EINVAL; | |
10545 | ||
10546 | new_triggers.patterns = kcalloc(n_patterns, | |
10547 | sizeof(new_triggers.patterns[0]), | |
10548 | GFP_KERNEL); | |
10549 | if (!new_triggers.patterns) | |
10550 | return -ENOMEM; | |
10551 | ||
10552 | new_triggers.n_patterns = n_patterns; | |
10553 | i = 0; | |
10554 | ||
10555 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
10556 | rem) { | |
922bd80f JB |
10557 | u8 *mask_pat; |
10558 | ||
bfe2c7b1 | 10559 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, |
fe52145f | 10560 | NULL, info->extack); |
ff1b6e69 | 10561 | err = -EINVAL; |
50ac6607 AK |
10562 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10563 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 10564 | goto error; |
50ac6607 | 10565 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 10566 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 10567 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
10568 | goto error; |
10569 | if (pat_len > wowlan->pattern_max_len || | |
10570 | pat_len < wowlan->pattern_min_len) | |
10571 | goto error; | |
10572 | ||
50ac6607 | 10573 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
10574 | pkt_offset = 0; |
10575 | else | |
10576 | pkt_offset = nla_get_u32( | |
50ac6607 | 10577 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
10578 | if (pkt_offset > wowlan->max_pkt_offset) |
10579 | goto error; | |
10580 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
10581 | ||
922bd80f JB |
10582 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10583 | if (!mask_pat) { | |
ff1b6e69 JB |
10584 | err = -ENOMEM; |
10585 | goto error; | |
10586 | } | |
922bd80f JB |
10587 | new_triggers.patterns[i].mask = mask_pat; |
10588 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 10589 | mask_len); |
922bd80f JB |
10590 | mask_pat += mask_len; |
10591 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 10592 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 10593 | memcpy(mask_pat, |
50ac6607 | 10594 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
10595 | pat_len); |
10596 | i++; | |
10597 | } | |
10598 | } | |
10599 | ||
2a0e047e | 10600 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 10601 | regular = true; |
2a0e047e JB |
10602 | err = nl80211_parse_wowlan_tcp( |
10603 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
10604 | &new_triggers); | |
10605 | if (err) | |
10606 | goto error; | |
10607 | } | |
10608 | ||
8cd4d456 | 10609 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 10610 | regular = true; |
8cd4d456 LC |
10611 | err = nl80211_parse_wowlan_nd( |
10612 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
10613 | &new_triggers); | |
10614 | if (err) | |
10615 | goto error; | |
10616 | } | |
10617 | ||
98fc4386 JB |
10618 | /* The 'any' trigger means the device continues operating more or less |
10619 | * as in its normal operation mode and wakes up the host on most of the | |
10620 | * normal interrupts (like packet RX, ...) | |
10621 | * It therefore makes little sense to combine with the more constrained | |
10622 | * wakeup trigger modes. | |
10623 | */ | |
10624 | if (new_triggers.any && regular) { | |
10625 | err = -EINVAL; | |
10626 | goto error; | |
10627 | } | |
10628 | ||
ae33bd81 JB |
10629 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
10630 | if (!ntrig) { | |
10631 | err = -ENOMEM; | |
10632 | goto error; | |
ff1b6e69 | 10633 | } |
ae33bd81 | 10634 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 10635 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 10636 | |
ae33bd81 | 10637 | set_wakeup: |
6abb9cb9 JB |
10638 | if (rdev->ops->set_wakeup && |
10639 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
10640 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 10641 | |
ff1b6e69 JB |
10642 | return 0; |
10643 | error: | |
10644 | for (i = 0; i < new_triggers.n_patterns; i++) | |
10645 | kfree(new_triggers.patterns[i].mask); | |
10646 | kfree(new_triggers.patterns); | |
2a0e047e JB |
10647 | if (new_triggers.tcp && new_triggers.tcp->sock) |
10648 | sock_release(new_triggers.tcp->sock); | |
10649 | kfree(new_triggers.tcp); | |
e5dbe070 | 10650 | kfree(new_triggers.nd_config); |
ff1b6e69 JB |
10651 | return err; |
10652 | } | |
dfb89c56 | 10653 | #endif |
ff1b6e69 | 10654 | |
be29b99a AK |
10655 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
10656 | struct cfg80211_registered_device *rdev) | |
10657 | { | |
10658 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
10659 | int i, j, pat_len; | |
10660 | struct cfg80211_coalesce_rules *rule; | |
10661 | ||
10662 | if (!rdev->coalesce->n_rules) | |
10663 | return 0; | |
10664 | ||
10665 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
10666 | if (!nl_rules) | |
10667 | return -ENOBUFS; | |
10668 | ||
10669 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
10670 | nl_rule = nla_nest_start(msg, i + 1); | |
10671 | if (!nl_rule) | |
10672 | return -ENOBUFS; | |
10673 | ||
10674 | rule = &rdev->coalesce->rules[i]; | |
10675 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
10676 | rule->delay)) | |
10677 | return -ENOBUFS; | |
10678 | ||
10679 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
10680 | rule->condition)) | |
10681 | return -ENOBUFS; | |
10682 | ||
10683 | nl_pats = nla_nest_start(msg, | |
10684 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
10685 | if (!nl_pats) | |
10686 | return -ENOBUFS; | |
10687 | ||
10688 | for (j = 0; j < rule->n_patterns; j++) { | |
10689 | nl_pat = nla_nest_start(msg, j + 1); | |
10690 | if (!nl_pat) | |
10691 | return -ENOBUFS; | |
10692 | pat_len = rule->patterns[j].pattern_len; | |
10693 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
10694 | DIV_ROUND_UP(pat_len, 8), | |
10695 | rule->patterns[j].mask) || | |
10696 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
10697 | rule->patterns[j].pattern) || | |
10698 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
10699 | rule->patterns[j].pkt_offset)) | |
10700 | return -ENOBUFS; | |
10701 | nla_nest_end(msg, nl_pat); | |
10702 | } | |
10703 | nla_nest_end(msg, nl_pats); | |
10704 | nla_nest_end(msg, nl_rule); | |
10705 | } | |
10706 | nla_nest_end(msg, nl_rules); | |
10707 | ||
10708 | return 0; | |
10709 | } | |
10710 | ||
10711 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10712 | { | |
10713 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10714 | struct sk_buff *msg; | |
10715 | void *hdr; | |
10716 | ||
10717 | if (!rdev->wiphy.coalesce) | |
10718 | return -EOPNOTSUPP; | |
10719 | ||
10720 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10721 | if (!msg) | |
10722 | return -ENOMEM; | |
10723 | ||
10724 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10725 | NL80211_CMD_GET_COALESCE); | |
10726 | if (!hdr) | |
10727 | goto nla_put_failure; | |
10728 | ||
10729 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
10730 | goto nla_put_failure; | |
10731 | ||
10732 | genlmsg_end(msg, hdr); | |
10733 | return genlmsg_reply(msg, info); | |
10734 | ||
10735 | nla_put_failure: | |
10736 | nlmsg_free(msg); | |
10737 | return -ENOBUFS; | |
10738 | } | |
10739 | ||
10740 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
10741 | { | |
10742 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
10743 | int i, j; | |
10744 | struct cfg80211_coalesce_rules *rule; | |
10745 | ||
10746 | if (!coalesce) | |
10747 | return; | |
10748 | ||
10749 | for (i = 0; i < coalesce->n_rules; i++) { | |
10750 | rule = &coalesce->rules[i]; | |
10751 | for (j = 0; j < rule->n_patterns; j++) | |
10752 | kfree(rule->patterns[j].mask); | |
10753 | kfree(rule->patterns); | |
10754 | } | |
10755 | kfree(coalesce->rules); | |
10756 | kfree(coalesce); | |
10757 | rdev->coalesce = NULL; | |
10758 | } | |
10759 | ||
10760 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
10761 | struct nlattr *rule, | |
10762 | struct cfg80211_coalesce_rules *new_rule) | |
10763 | { | |
10764 | int err, i; | |
10765 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10766 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
10767 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
10768 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
10769 | ||
bfe2c7b1 | 10770 | err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule, |
fceb6435 | 10771 | nl80211_coalesce_policy, NULL); |
be29b99a AK |
10772 | if (err) |
10773 | return err; | |
10774 | ||
10775 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
10776 | new_rule->delay = | |
10777 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
10778 | if (new_rule->delay > coalesce->max_delay) | |
10779 | return -EINVAL; | |
10780 | ||
10781 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
10782 | new_rule->condition = | |
10783 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
10784 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
10785 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
10786 | return -EINVAL; | |
10787 | ||
10788 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
10789 | return -EINVAL; | |
10790 | ||
10791 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10792 | rem) | |
10793 | n_patterns++; | |
10794 | if (n_patterns > coalesce->n_patterns) | |
10795 | return -EINVAL; | |
10796 | ||
10797 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
10798 | GFP_KERNEL); | |
10799 | if (!new_rule->patterns) | |
10800 | return -ENOMEM; | |
10801 | ||
10802 | new_rule->n_patterns = n_patterns; | |
10803 | i = 0; | |
10804 | ||
10805 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10806 | rem) { | |
922bd80f JB |
10807 | u8 *mask_pat; |
10808 | ||
fceb6435 | 10809 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL, NULL); |
be29b99a AK |
10810 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10811 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
10812 | return -EINVAL; | |
10813 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
10814 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
10815 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
10816 | return -EINVAL; | |
10817 | if (pat_len > coalesce->pattern_max_len || | |
10818 | pat_len < coalesce->pattern_min_len) | |
10819 | return -EINVAL; | |
10820 | ||
10821 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
10822 | pkt_offset = 0; | |
10823 | else | |
10824 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
10825 | if (pkt_offset > coalesce->max_pkt_offset) | |
10826 | return -EINVAL; | |
10827 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
10828 | ||
922bd80f JB |
10829 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10830 | if (!mask_pat) | |
be29b99a | 10831 | return -ENOMEM; |
922bd80f JB |
10832 | |
10833 | new_rule->patterns[i].mask = mask_pat; | |
10834 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
10835 | mask_len); | |
10836 | ||
10837 | mask_pat += mask_len; | |
10838 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 10839 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
10840 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
10841 | pat_len); | |
be29b99a AK |
10842 | i++; |
10843 | } | |
10844 | ||
10845 | return 0; | |
10846 | } | |
10847 | ||
10848 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10849 | { | |
10850 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10851 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10852 | struct cfg80211_coalesce new_coalesce = {}; | |
10853 | struct cfg80211_coalesce *n_coalesce; | |
10854 | int err, rem_rule, n_rules = 0, i, j; | |
10855 | struct nlattr *rule; | |
10856 | struct cfg80211_coalesce_rules *tmp_rule; | |
10857 | ||
10858 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
10859 | return -EOPNOTSUPP; | |
10860 | ||
10861 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
10862 | cfg80211_rdev_free_coalesce(rdev); | |
a1056b1b | 10863 | rdev_set_coalesce(rdev, NULL); |
be29b99a AK |
10864 | return 0; |
10865 | } | |
10866 | ||
10867 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10868 | rem_rule) | |
10869 | n_rules++; | |
10870 | if (n_rules > coalesce->n_rules) | |
10871 | return -EINVAL; | |
10872 | ||
10873 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
10874 | GFP_KERNEL); | |
10875 | if (!new_coalesce.rules) | |
10876 | return -ENOMEM; | |
10877 | ||
10878 | new_coalesce.n_rules = n_rules; | |
10879 | i = 0; | |
10880 | ||
10881 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10882 | rem_rule) { | |
10883 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
10884 | &new_coalesce.rules[i]); | |
10885 | if (err) | |
10886 | goto error; | |
10887 | ||
10888 | i++; | |
10889 | } | |
10890 | ||
a1056b1b | 10891 | err = rdev_set_coalesce(rdev, &new_coalesce); |
be29b99a AK |
10892 | if (err) |
10893 | goto error; | |
10894 | ||
10895 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
10896 | if (!n_coalesce) { | |
10897 | err = -ENOMEM; | |
10898 | goto error; | |
10899 | } | |
10900 | cfg80211_rdev_free_coalesce(rdev); | |
10901 | rdev->coalesce = n_coalesce; | |
10902 | ||
10903 | return 0; | |
10904 | error: | |
10905 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
10906 | tmp_rule = &new_coalesce.rules[i]; | |
10907 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
10908 | kfree(tmp_rule->patterns[j].mask); | |
10909 | kfree(tmp_rule->patterns); | |
10910 | } | |
10911 | kfree(new_coalesce.rules); | |
10912 | ||
10913 | return err; | |
10914 | } | |
10915 | ||
e5497d76 JB |
10916 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
10917 | { | |
10918 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10919 | struct net_device *dev = info->user_ptr[1]; | |
10920 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10921 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
10922 | struct cfg80211_gtk_rekey_data rekey_data; | |
10923 | int err; | |
10924 | ||
10925 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
10926 | return -EINVAL; | |
10927 | ||
bfe2c7b1 JB |
10928 | err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA, |
10929 | info->attrs[NL80211_ATTR_REKEY_DATA], | |
fe52145f | 10930 | nl80211_rekey_policy, info->extack); |
e5497d76 JB |
10931 | if (err) |
10932 | return err; | |
10933 | ||
10934 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
10935 | return -ERANGE; | |
10936 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
10937 | return -ERANGE; | |
10938 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
10939 | return -ERANGE; | |
10940 | ||
78f686ca JB |
10941 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
10942 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
10943 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
10944 | |
10945 | wdev_lock(wdev); | |
10946 | if (!wdev->current_bss) { | |
10947 | err = -ENOTCONN; | |
10948 | goto out; | |
10949 | } | |
10950 | ||
10951 | if (!rdev->ops->set_rekey_data) { | |
10952 | err = -EOPNOTSUPP; | |
10953 | goto out; | |
10954 | } | |
10955 | ||
e35e4d28 | 10956 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
10957 | out: |
10958 | wdev_unlock(wdev); | |
10959 | return err; | |
10960 | } | |
10961 | ||
28946da7 JB |
10962 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
10963 | struct genl_info *info) | |
10964 | { | |
10965 | struct net_device *dev = info->user_ptr[1]; | |
10966 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10967 | ||
10968 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10969 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10970 | return -EINVAL; | |
10971 | ||
15e47304 | 10972 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
10973 | return -EBUSY; |
10974 | ||
15e47304 | 10975 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
10976 | return 0; |
10977 | } | |
10978 | ||
7f6cf311 JB |
10979 | static int nl80211_probe_client(struct sk_buff *skb, |
10980 | struct genl_info *info) | |
10981 | { | |
10982 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10983 | struct net_device *dev = info->user_ptr[1]; | |
10984 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10985 | struct sk_buff *msg; | |
10986 | void *hdr; | |
10987 | const u8 *addr; | |
10988 | u64 cookie; | |
10989 | int err; | |
10990 | ||
10991 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10992 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10993 | return -EOPNOTSUPP; | |
10994 | ||
10995 | if (!info->attrs[NL80211_ATTR_MAC]) | |
10996 | return -EINVAL; | |
10997 | ||
10998 | if (!rdev->ops->probe_client) | |
10999 | return -EOPNOTSUPP; | |
11000 | ||
11001 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11002 | if (!msg) | |
11003 | return -ENOMEM; | |
11004 | ||
15e47304 | 11005 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 11006 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
11007 | if (!hdr) { |
11008 | err = -ENOBUFS; | |
7f6cf311 JB |
11009 | goto free_msg; |
11010 | } | |
11011 | ||
11012 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11013 | ||
e35e4d28 | 11014 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
11015 | if (err) |
11016 | goto free_msg; | |
11017 | ||
2dad624e ND |
11018 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
11019 | NL80211_ATTR_PAD)) | |
9360ffd1 | 11020 | goto nla_put_failure; |
7f6cf311 JB |
11021 | |
11022 | genlmsg_end(msg, hdr); | |
11023 | ||
11024 | return genlmsg_reply(msg, info); | |
11025 | ||
11026 | nla_put_failure: | |
11027 | err = -ENOBUFS; | |
11028 | free_msg: | |
11029 | nlmsg_free(msg); | |
11030 | return err; | |
11031 | } | |
11032 | ||
5e760230 JB |
11033 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
11034 | { | |
11035 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
11036 | struct cfg80211_beacon_registration *reg, *nreg; |
11037 | int rv; | |
5e760230 JB |
11038 | |
11039 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
11040 | return -EOPNOTSUPP; | |
11041 | ||
37c73b5f BG |
11042 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
11043 | if (!nreg) | |
11044 | return -ENOMEM; | |
11045 | ||
11046 | /* First, check if already registered. */ | |
11047 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
11048 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11049 | if (reg->nlportid == info->snd_portid) { | |
11050 | rv = -EALREADY; | |
11051 | goto out_err; | |
11052 | } | |
11053 | } | |
11054 | /* Add it to the list */ | |
11055 | nreg->nlportid = info->snd_portid; | |
11056 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 11057 | |
37c73b5f | 11058 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
11059 | |
11060 | return 0; | |
37c73b5f BG |
11061 | out_err: |
11062 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11063 | kfree(nreg); | |
11064 | return rv; | |
5e760230 JB |
11065 | } |
11066 | ||
98104fde JB |
11067 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
11068 | { | |
11069 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11070 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11071 | int err; | |
11072 | ||
11073 | if (!rdev->ops->start_p2p_device) | |
11074 | return -EOPNOTSUPP; | |
11075 | ||
11076 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
11077 | return -EOPNOTSUPP; | |
11078 | ||
73c7da3d | 11079 | if (wdev_running(wdev)) |
98104fde JB |
11080 | return 0; |
11081 | ||
b6a55015 LC |
11082 | if (rfkill_blocked(rdev->rfkill)) |
11083 | return -ERFKILL; | |
98104fde | 11084 | |
eeb126e9 | 11085 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
11086 | if (err) |
11087 | return err; | |
11088 | ||
73c7da3d | 11089 | wdev->is_running = true; |
98104fde | 11090 | rdev->opencount++; |
98104fde JB |
11091 | |
11092 | return 0; | |
11093 | } | |
11094 | ||
11095 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
11096 | { | |
11097 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11098 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11099 | ||
11100 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
11101 | return -EOPNOTSUPP; | |
11102 | ||
11103 | if (!rdev->ops->stop_p2p_device) | |
11104 | return -EOPNOTSUPP; | |
11105 | ||
f9f47529 | 11106 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
11107 | |
11108 | return 0; | |
11109 | } | |
11110 | ||
cb3b7d87 AB |
11111 | static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info) |
11112 | { | |
11113 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11114 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11115 | struct cfg80211_nan_conf conf = {}; | |
11116 | int err; | |
11117 | ||
11118 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11119 | return -EOPNOTSUPP; | |
11120 | ||
eeb04a96 | 11121 | if (wdev_running(wdev)) |
cb3b7d87 AB |
11122 | return -EEXIST; |
11123 | ||
11124 | if (rfkill_blocked(rdev->rfkill)) | |
11125 | return -ERFKILL; | |
11126 | ||
11127 | if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) | |
11128 | return -EINVAL; | |
11129 | ||
cb3b7d87 AB |
11130 | conf.master_pref = |
11131 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
11132 | if (!conf.master_pref) | |
11133 | return -EINVAL; | |
11134 | ||
8585989d LC |
11135 | if (info->attrs[NL80211_ATTR_BANDS]) { |
11136 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
11137 | ||
11138 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
11139 | return -EOPNOTSUPP; | |
11140 | ||
11141 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
11142 | return -EINVAL; | |
11143 | ||
11144 | conf.bands = bands; | |
11145 | } | |
cb3b7d87 AB |
11146 | |
11147 | err = rdev_start_nan(rdev, wdev, &conf); | |
11148 | if (err) | |
11149 | return err; | |
11150 | ||
73c7da3d | 11151 | wdev->is_running = true; |
cb3b7d87 AB |
11152 | rdev->opencount++; |
11153 | ||
11154 | return 0; | |
11155 | } | |
11156 | ||
11157 | static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info) | |
11158 | { | |
11159 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11160 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11161 | ||
11162 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11163 | return -EOPNOTSUPP; | |
11164 | ||
11165 | cfg80211_stop_nan(rdev, wdev); | |
11166 | ||
11167 | return 0; | |
11168 | } | |
11169 | ||
a442b761 AB |
11170 | static int validate_nan_filter(struct nlattr *filter_attr) |
11171 | { | |
11172 | struct nlattr *attr; | |
11173 | int len = 0, n_entries = 0, rem; | |
11174 | ||
11175 | nla_for_each_nested(attr, filter_attr, rem) { | |
11176 | len += nla_len(attr); | |
11177 | n_entries++; | |
11178 | } | |
11179 | ||
11180 | if (len >= U8_MAX) | |
11181 | return -EINVAL; | |
11182 | ||
11183 | return n_entries; | |
11184 | } | |
11185 | ||
11186 | static int handle_nan_filter(struct nlattr *attr_filter, | |
11187 | struct cfg80211_nan_func *func, | |
11188 | bool tx) | |
11189 | { | |
11190 | struct nlattr *attr; | |
11191 | int n_entries, rem, i; | |
11192 | struct cfg80211_nan_func_filter *filter; | |
11193 | ||
11194 | n_entries = validate_nan_filter(attr_filter); | |
11195 | if (n_entries < 0) | |
11196 | return n_entries; | |
11197 | ||
11198 | BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters)); | |
11199 | ||
11200 | filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL); | |
11201 | if (!filter) | |
11202 | return -ENOMEM; | |
11203 | ||
11204 | i = 0; | |
11205 | nla_for_each_nested(attr, attr_filter, rem) { | |
b15ca182 | 11206 | filter[i].filter = nla_memdup(attr, GFP_KERNEL); |
a442b761 AB |
11207 | filter[i].len = nla_len(attr); |
11208 | i++; | |
11209 | } | |
11210 | if (tx) { | |
11211 | func->num_tx_filters = n_entries; | |
11212 | func->tx_filters = filter; | |
11213 | } else { | |
11214 | func->num_rx_filters = n_entries; | |
11215 | func->rx_filters = filter; | |
11216 | } | |
11217 | ||
11218 | return 0; | |
11219 | } | |
11220 | ||
11221 | static int nl80211_nan_add_func(struct sk_buff *skb, | |
11222 | struct genl_info *info) | |
11223 | { | |
11224 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11225 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11226 | struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr; | |
11227 | struct cfg80211_nan_func *func; | |
11228 | struct sk_buff *msg = NULL; | |
11229 | void *hdr = NULL; | |
11230 | int err = 0; | |
11231 | ||
11232 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11233 | return -EOPNOTSUPP; | |
11234 | ||
73c7da3d | 11235 | if (!wdev_running(wdev)) |
a442b761 AB |
11236 | return -ENOTCONN; |
11237 | ||
11238 | if (!info->attrs[NL80211_ATTR_NAN_FUNC]) | |
11239 | return -EINVAL; | |
11240 | ||
bfe2c7b1 JB |
11241 | err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX, |
11242 | info->attrs[NL80211_ATTR_NAN_FUNC], | |
fe52145f | 11243 | nl80211_nan_func_policy, info->extack); |
a442b761 AB |
11244 | if (err) |
11245 | return err; | |
11246 | ||
11247 | func = kzalloc(sizeof(*func), GFP_KERNEL); | |
11248 | if (!func) | |
11249 | return -ENOMEM; | |
11250 | ||
11251 | func->cookie = wdev->wiphy->cookie_counter++; | |
11252 | ||
11253 | if (!tb[NL80211_NAN_FUNC_TYPE] || | |
11254 | nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) { | |
11255 | err = -EINVAL; | |
11256 | goto out; | |
11257 | } | |
11258 | ||
11259 | ||
11260 | func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]); | |
11261 | ||
11262 | if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) { | |
11263 | err = -EINVAL; | |
11264 | goto out; | |
11265 | } | |
11266 | ||
11267 | memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]), | |
11268 | sizeof(func->service_id)); | |
11269 | ||
11270 | func->close_range = | |
11271 | nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]); | |
11272 | ||
11273 | if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) { | |
11274 | func->serv_spec_info_len = | |
11275 | nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]); | |
11276 | func->serv_spec_info = | |
11277 | kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]), | |
11278 | func->serv_spec_info_len, | |
11279 | GFP_KERNEL); | |
11280 | if (!func->serv_spec_info) { | |
11281 | err = -ENOMEM; | |
11282 | goto out; | |
11283 | } | |
11284 | } | |
11285 | ||
11286 | if (tb[NL80211_NAN_FUNC_TTL]) | |
11287 | func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]); | |
11288 | ||
11289 | switch (func->type) { | |
11290 | case NL80211_NAN_FUNC_PUBLISH: | |
11291 | if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) { | |
11292 | err = -EINVAL; | |
11293 | goto out; | |
11294 | } | |
11295 | ||
11296 | func->publish_type = | |
11297 | nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]); | |
11298 | func->publish_bcast = | |
11299 | nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]); | |
11300 | ||
11301 | if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) && | |
11302 | func->publish_bcast) { | |
11303 | err = -EINVAL; | |
11304 | goto out; | |
11305 | } | |
11306 | break; | |
11307 | case NL80211_NAN_FUNC_SUBSCRIBE: | |
11308 | func->subscribe_active = | |
11309 | nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]); | |
11310 | break; | |
11311 | case NL80211_NAN_FUNC_FOLLOW_UP: | |
11312 | if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] || | |
11313 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) { | |
11314 | err = -EINVAL; | |
11315 | goto out; | |
11316 | } | |
11317 | ||
11318 | func->followup_id = | |
11319 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]); | |
11320 | func->followup_reqid = | |
11321 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]); | |
11322 | memcpy(func->followup_dest.addr, | |
11323 | nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]), | |
11324 | sizeof(func->followup_dest.addr)); | |
11325 | if (func->ttl) { | |
11326 | err = -EINVAL; | |
11327 | goto out; | |
11328 | } | |
11329 | break; | |
11330 | default: | |
11331 | err = -EINVAL; | |
11332 | goto out; | |
11333 | } | |
11334 | ||
11335 | if (tb[NL80211_NAN_FUNC_SRF]) { | |
11336 | struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR]; | |
11337 | ||
bfe2c7b1 JB |
11338 | err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX, |
11339 | tb[NL80211_NAN_FUNC_SRF], | |
fe52145f | 11340 | nl80211_nan_srf_policy, info->extack); |
a442b761 AB |
11341 | if (err) |
11342 | goto out; | |
11343 | ||
11344 | func->srf_include = | |
11345 | nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]); | |
11346 | ||
11347 | if (srf_tb[NL80211_NAN_SRF_BF]) { | |
11348 | if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] || | |
11349 | !srf_tb[NL80211_NAN_SRF_BF_IDX]) { | |
11350 | err = -EINVAL; | |
11351 | goto out; | |
11352 | } | |
11353 | ||
11354 | func->srf_bf_len = | |
11355 | nla_len(srf_tb[NL80211_NAN_SRF_BF]); | |
11356 | func->srf_bf = | |
11357 | kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]), | |
11358 | func->srf_bf_len, GFP_KERNEL); | |
11359 | if (!func->srf_bf) { | |
11360 | err = -ENOMEM; | |
11361 | goto out; | |
11362 | } | |
11363 | ||
11364 | func->srf_bf_idx = | |
11365 | nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]); | |
11366 | } else { | |
11367 | struct nlattr *attr, *mac_attr = | |
11368 | srf_tb[NL80211_NAN_SRF_MAC_ADDRS]; | |
11369 | int n_entries, rem, i = 0; | |
11370 | ||
11371 | if (!mac_attr) { | |
11372 | err = -EINVAL; | |
11373 | goto out; | |
11374 | } | |
11375 | ||
11376 | n_entries = validate_acl_mac_addrs(mac_attr); | |
11377 | if (n_entries <= 0) { | |
11378 | err = -EINVAL; | |
11379 | goto out; | |
11380 | } | |
11381 | ||
11382 | func->srf_num_macs = n_entries; | |
11383 | func->srf_macs = | |
11384 | kzalloc(sizeof(*func->srf_macs) * n_entries, | |
11385 | GFP_KERNEL); | |
11386 | if (!func->srf_macs) { | |
11387 | err = -ENOMEM; | |
11388 | goto out; | |
11389 | } | |
11390 | ||
11391 | nla_for_each_nested(attr, mac_attr, rem) | |
11392 | memcpy(func->srf_macs[i++].addr, nla_data(attr), | |
11393 | sizeof(*func->srf_macs)); | |
11394 | } | |
11395 | } | |
11396 | ||
11397 | if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) { | |
11398 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER], | |
11399 | func, true); | |
11400 | if (err) | |
11401 | goto out; | |
11402 | } | |
11403 | ||
11404 | if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) { | |
11405 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER], | |
11406 | func, false); | |
11407 | if (err) | |
11408 | goto out; | |
11409 | } | |
11410 | ||
11411 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11412 | if (!msg) { | |
11413 | err = -ENOMEM; | |
11414 | goto out; | |
11415 | } | |
11416 | ||
11417 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11418 | NL80211_CMD_ADD_NAN_FUNCTION); | |
11419 | /* This can't really happen - we just allocated 4KB */ | |
11420 | if (WARN_ON(!hdr)) { | |
11421 | err = -ENOMEM; | |
11422 | goto out; | |
11423 | } | |
11424 | ||
11425 | err = rdev_add_nan_func(rdev, wdev, func); | |
11426 | out: | |
11427 | if (err < 0) { | |
11428 | cfg80211_free_nan_func(func); | |
11429 | nlmsg_free(msg); | |
11430 | return err; | |
11431 | } | |
11432 | ||
11433 | /* propagate the instance id and cookie to userspace */ | |
11434 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie, | |
11435 | NL80211_ATTR_PAD)) | |
11436 | goto nla_put_failure; | |
11437 | ||
11438 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11439 | if (!func_attr) | |
11440 | goto nla_put_failure; | |
11441 | ||
11442 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, | |
11443 | func->instance_id)) | |
11444 | goto nla_put_failure; | |
11445 | ||
11446 | nla_nest_end(msg, func_attr); | |
11447 | ||
11448 | genlmsg_end(msg, hdr); | |
11449 | return genlmsg_reply(msg, info); | |
11450 | ||
11451 | nla_put_failure: | |
11452 | nlmsg_free(msg); | |
11453 | return -ENOBUFS; | |
11454 | } | |
11455 | ||
11456 | static int nl80211_nan_del_func(struct sk_buff *skb, | |
11457 | struct genl_info *info) | |
11458 | { | |
11459 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11460 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11461 | u64 cookie; | |
11462 | ||
11463 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11464 | return -EOPNOTSUPP; | |
11465 | ||
73c7da3d | 11466 | if (!wdev_running(wdev)) |
a442b761 AB |
11467 | return -ENOTCONN; |
11468 | ||
11469 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
11470 | return -EINVAL; | |
11471 | ||
a442b761 AB |
11472 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
11473 | ||
11474 | rdev_del_nan_func(rdev, wdev, cookie); | |
11475 | ||
11476 | return 0; | |
11477 | } | |
11478 | ||
a5a9dcf2 AB |
11479 | static int nl80211_nan_change_config(struct sk_buff *skb, |
11480 | struct genl_info *info) | |
11481 | { | |
11482 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11483 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11484 | struct cfg80211_nan_conf conf = {}; | |
11485 | u32 changed = 0; | |
11486 | ||
11487 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11488 | return -EOPNOTSUPP; | |
11489 | ||
73c7da3d | 11490 | if (!wdev_running(wdev)) |
a5a9dcf2 AB |
11491 | return -ENOTCONN; |
11492 | ||
11493 | if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) { | |
11494 | conf.master_pref = | |
11495 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
11496 | if (conf.master_pref <= 1 || conf.master_pref == 255) | |
11497 | return -EINVAL; | |
11498 | ||
11499 | changed |= CFG80211_NAN_CONF_CHANGED_PREF; | |
11500 | } | |
11501 | ||
8585989d LC |
11502 | if (info->attrs[NL80211_ATTR_BANDS]) { |
11503 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
11504 | ||
11505 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
11506 | return -EOPNOTSUPP; | |
11507 | ||
11508 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
11509 | return -EINVAL; | |
11510 | ||
11511 | conf.bands = bands; | |
11512 | changed |= CFG80211_NAN_CONF_CHANGED_BANDS; | |
a5a9dcf2 AB |
11513 | } |
11514 | ||
11515 | if (!changed) | |
11516 | return -EINVAL; | |
11517 | ||
11518 | return rdev_nan_change_conf(rdev, wdev, &conf, changed); | |
11519 | } | |
11520 | ||
50bcd31d AB |
11521 | void cfg80211_nan_match(struct wireless_dev *wdev, |
11522 | struct cfg80211_nan_match_params *match, gfp_t gfp) | |
11523 | { | |
11524 | struct wiphy *wiphy = wdev->wiphy; | |
11525 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11526 | struct nlattr *match_attr, *local_func_attr, *peer_func_attr; | |
11527 | struct sk_buff *msg; | |
11528 | void *hdr; | |
11529 | ||
11530 | if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr)) | |
11531 | return; | |
11532 | ||
11533 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11534 | if (!msg) | |
11535 | return; | |
11536 | ||
11537 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH); | |
11538 | if (!hdr) { | |
11539 | nlmsg_free(msg); | |
11540 | return; | |
11541 | } | |
11542 | ||
11543 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11544 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11545 | wdev->netdev->ifindex)) || | |
11546 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11547 | NL80211_ATTR_PAD)) | |
11548 | goto nla_put_failure; | |
11549 | ||
11550 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie, | |
11551 | NL80211_ATTR_PAD) || | |
11552 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr)) | |
11553 | goto nla_put_failure; | |
11554 | ||
11555 | match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH); | |
11556 | if (!match_attr) | |
11557 | goto nla_put_failure; | |
11558 | ||
11559 | local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL); | |
11560 | if (!local_func_attr) | |
11561 | goto nla_put_failure; | |
11562 | ||
11563 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id)) | |
11564 | goto nla_put_failure; | |
11565 | ||
11566 | nla_nest_end(msg, local_func_attr); | |
11567 | ||
11568 | peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER); | |
11569 | if (!peer_func_attr) | |
11570 | goto nla_put_failure; | |
11571 | ||
11572 | if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) || | |
11573 | nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id)) | |
11574 | goto nla_put_failure; | |
11575 | ||
11576 | if (match->info && match->info_len && | |
11577 | nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len, | |
11578 | match->info)) | |
11579 | goto nla_put_failure; | |
11580 | ||
11581 | nla_nest_end(msg, peer_func_attr); | |
11582 | nla_nest_end(msg, match_attr); | |
11583 | genlmsg_end(msg, hdr); | |
11584 | ||
11585 | if (!wdev->owner_nlportid) | |
11586 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11587 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11588 | else | |
11589 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11590 | wdev->owner_nlportid); | |
11591 | ||
11592 | return; | |
11593 | ||
11594 | nla_put_failure: | |
11595 | nlmsg_free(msg); | |
11596 | } | |
11597 | EXPORT_SYMBOL(cfg80211_nan_match); | |
11598 | ||
368e5a7b AB |
11599 | void cfg80211_nan_func_terminated(struct wireless_dev *wdev, |
11600 | u8 inst_id, | |
11601 | enum nl80211_nan_func_term_reason reason, | |
11602 | u64 cookie, gfp_t gfp) | |
11603 | { | |
11604 | struct wiphy *wiphy = wdev->wiphy; | |
11605 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11606 | struct sk_buff *msg; | |
11607 | struct nlattr *func_attr; | |
11608 | void *hdr; | |
11609 | ||
11610 | if (WARN_ON(!inst_id)) | |
11611 | return; | |
11612 | ||
11613 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11614 | if (!msg) | |
11615 | return; | |
11616 | ||
11617 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION); | |
11618 | if (!hdr) { | |
11619 | nlmsg_free(msg); | |
11620 | return; | |
11621 | } | |
11622 | ||
11623 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11624 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11625 | wdev->netdev->ifindex)) || | |
11626 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11627 | NL80211_ATTR_PAD)) | |
11628 | goto nla_put_failure; | |
11629 | ||
11630 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, | |
11631 | NL80211_ATTR_PAD)) | |
11632 | goto nla_put_failure; | |
11633 | ||
11634 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11635 | if (!func_attr) | |
11636 | goto nla_put_failure; | |
11637 | ||
11638 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) || | |
11639 | nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason)) | |
11640 | goto nla_put_failure; | |
11641 | ||
11642 | nla_nest_end(msg, func_attr); | |
11643 | genlmsg_end(msg, hdr); | |
11644 | ||
11645 | if (!wdev->owner_nlportid) | |
11646 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11647 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11648 | else | |
11649 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11650 | wdev->owner_nlportid); | |
11651 | ||
11652 | return; | |
11653 | ||
11654 | nla_put_failure: | |
11655 | nlmsg_free(msg); | |
11656 | } | |
11657 | EXPORT_SYMBOL(cfg80211_nan_func_terminated); | |
11658 | ||
3713b4e3 JB |
11659 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
11660 | struct genl_info *info) | |
11661 | { | |
11662 | void *hdr; | |
11663 | struct sk_buff *msg; | |
11664 | ||
11665 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11666 | if (!msg) | |
11667 | return -ENOMEM; | |
11668 | ||
11669 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11670 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
11671 | if (!hdr) | |
11672 | goto nla_put_failure; | |
11673 | ||
11674 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
11675 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
11676 | goto nla_put_failure; | |
11677 | ||
11678 | genlmsg_end(msg, hdr); | |
11679 | return genlmsg_reply(msg, info); | |
11680 | ||
11681 | nla_put_failure: | |
11682 | kfree_skb(msg); | |
11683 | return -ENOBUFS; | |
11684 | } | |
11685 | ||
355199e0 JM |
11686 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
11687 | { | |
11688 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11689 | struct cfg80211_update_ft_ies_params ft_params; | |
11690 | struct net_device *dev = info->user_ptr[1]; | |
11691 | ||
11692 | if (!rdev->ops->update_ft_ies) | |
11693 | return -EOPNOTSUPP; | |
11694 | ||
11695 | if (!info->attrs[NL80211_ATTR_MDID] || | |
11696 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
11697 | return -EINVAL; | |
11698 | ||
11699 | memset(&ft_params, 0, sizeof(ft_params)); | |
11700 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
11701 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
11702 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
11703 | ||
11704 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
11705 | } | |
11706 | ||
5de17984 AS |
11707 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
11708 | struct genl_info *info) | |
11709 | { | |
11710 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11711 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11712 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
11713 | u16 duration; | |
11714 | int ret; | |
11715 | ||
11716 | if (!rdev->ops->crit_proto_start) | |
11717 | return -EOPNOTSUPP; | |
11718 | ||
11719 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
11720 | return -EINVAL; | |
11721 | ||
11722 | if (rdev->crit_proto_nlportid) | |
11723 | return -EBUSY; | |
11724 | ||
11725 | /* determine protocol if provided */ | |
11726 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
11727 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
11728 | ||
11729 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
11730 | return -EINVAL; | |
11731 | ||
11732 | /* timeout must be provided */ | |
11733 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
11734 | return -EINVAL; | |
11735 | ||
11736 | duration = | |
11737 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
11738 | ||
11739 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
11740 | return -ERANGE; | |
11741 | ||
11742 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
11743 | if (!ret) | |
11744 | rdev->crit_proto_nlportid = info->snd_portid; | |
11745 | ||
11746 | return ret; | |
11747 | } | |
11748 | ||
11749 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
11750 | struct genl_info *info) | |
11751 | { | |
11752 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11753 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11754 | ||
11755 | if (!rdev->ops->crit_proto_stop) | |
11756 | return -EOPNOTSUPP; | |
11757 | ||
11758 | if (rdev->crit_proto_nlportid) { | |
11759 | rdev->crit_proto_nlportid = 0; | |
11760 | rdev_crit_proto_stop(rdev, wdev); | |
11761 | } | |
11762 | return 0; | |
11763 | } | |
11764 | ||
ad7e718c JB |
11765 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
11766 | { | |
11767 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11768 | struct wireless_dev *wdev = | |
11769 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
11770 | int i, err; | |
11771 | u32 vid, subcmd; | |
11772 | ||
11773 | if (!rdev->wiphy.vendor_commands) | |
11774 | return -EOPNOTSUPP; | |
11775 | ||
11776 | if (IS_ERR(wdev)) { | |
11777 | err = PTR_ERR(wdev); | |
11778 | if (err != -EINVAL) | |
11779 | return err; | |
11780 | wdev = NULL; | |
11781 | } else if (wdev->wiphy != &rdev->wiphy) { | |
11782 | return -EINVAL; | |
11783 | } | |
11784 | ||
11785 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
11786 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
11787 | return -EINVAL; | |
11788 | ||
11789 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
11790 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
11791 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
11792 | const struct wiphy_vendor_command *vcmd; | |
11793 | void *data = NULL; | |
11794 | int len = 0; | |
11795 | ||
11796 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
11797 | ||
11798 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11799 | continue; | |
11800 | ||
11801 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11802 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11803 | if (!wdev) | |
11804 | return -EINVAL; | |
11805 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11806 | !wdev->netdev) | |
11807 | return -EINVAL; | |
11808 | ||
11809 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 11810 | if (!wdev_running(wdev)) |
ad7e718c JB |
11811 | return -ENETDOWN; |
11812 | } | |
7bdbe400 JB |
11813 | |
11814 | if (!vcmd->doit) | |
11815 | return -EOPNOTSUPP; | |
ad7e718c JB |
11816 | } else { |
11817 | wdev = NULL; | |
11818 | } | |
11819 | ||
11820 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
11821 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11822 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11823 | } | |
11824 | ||
11825 | rdev->cur_cmd_info = info; | |
11826 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
11827 | data, len); | |
11828 | rdev->cur_cmd_info = NULL; | |
11829 | return err; | |
11830 | } | |
11831 | ||
11832 | return -EOPNOTSUPP; | |
11833 | } | |
11834 | ||
7bdbe400 JB |
11835 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
11836 | struct netlink_callback *cb, | |
11837 | struct cfg80211_registered_device **rdev, | |
11838 | struct wireless_dev **wdev) | |
11839 | { | |
c90c39da | 11840 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
7bdbe400 JB |
11841 | u32 vid, subcmd; |
11842 | unsigned int i; | |
11843 | int vcmd_idx = -1; | |
11844 | int err; | |
11845 | void *data = NULL; | |
11846 | unsigned int data_len = 0; | |
11847 | ||
7bdbe400 JB |
11848 | if (cb->args[0]) { |
11849 | /* subtract the 1 again here */ | |
11850 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
11851 | struct wireless_dev *tmp; | |
11852 | ||
ea90e0dc JB |
11853 | if (!wiphy) |
11854 | return -ENODEV; | |
7bdbe400 JB |
11855 | *rdev = wiphy_to_rdev(wiphy); |
11856 | *wdev = NULL; | |
11857 | ||
11858 | if (cb->args[1]) { | |
53873f13 | 11859 | list_for_each_entry(tmp, &wiphy->wdev_list, list) { |
7bdbe400 JB |
11860 | if (tmp->identifier == cb->args[1] - 1) { |
11861 | *wdev = tmp; | |
11862 | break; | |
11863 | } | |
11864 | } | |
11865 | } | |
11866 | ||
11867 | /* keep rtnl locked in successful case */ | |
11868 | return 0; | |
11869 | } | |
11870 | ||
fceb6435 JB |
11871 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, attrbuf, |
11872 | nl80211_fam.maxattr, nl80211_policy, NULL); | |
7bdbe400 | 11873 | if (err) |
ea90e0dc | 11874 | return err; |
7bdbe400 | 11875 | |
c90c39da | 11876 | if (!attrbuf[NL80211_ATTR_VENDOR_ID] || |
ea90e0dc JB |
11877 | !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) |
11878 | return -EINVAL; | |
7bdbe400 | 11879 | |
c90c39da | 11880 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
11881 | if (IS_ERR(*wdev)) |
11882 | *wdev = NULL; | |
11883 | ||
c90c39da | 11884 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
ea90e0dc JB |
11885 | if (IS_ERR(*rdev)) |
11886 | return PTR_ERR(*rdev); | |
7bdbe400 | 11887 | |
c90c39da JB |
11888 | vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); |
11889 | subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
7bdbe400 JB |
11890 | |
11891 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
11892 | const struct wiphy_vendor_command *vcmd; | |
11893 | ||
11894 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
11895 | ||
11896 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11897 | continue; | |
11898 | ||
ea90e0dc JB |
11899 | if (!vcmd->dumpit) |
11900 | return -EOPNOTSUPP; | |
7bdbe400 JB |
11901 | |
11902 | vcmd_idx = i; | |
11903 | break; | |
11904 | } | |
11905 | ||
ea90e0dc JB |
11906 | if (vcmd_idx < 0) |
11907 | return -EOPNOTSUPP; | |
7bdbe400 | 11908 | |
c90c39da JB |
11909 | if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { |
11910 | data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
11911 | data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
7bdbe400 JB |
11912 | } |
11913 | ||
11914 | /* 0 is the first index - add 1 to parse only once */ | |
11915 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
11916 | /* add 1 to know if it was NULL */ | |
11917 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
11918 | cb->args[2] = vcmd_idx; | |
11919 | cb->args[3] = (unsigned long)data; | |
11920 | cb->args[4] = data_len; | |
11921 | ||
11922 | /* keep rtnl locked in successful case */ | |
11923 | return 0; | |
7bdbe400 JB |
11924 | } |
11925 | ||
11926 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
11927 | struct netlink_callback *cb) | |
11928 | { | |
11929 | struct cfg80211_registered_device *rdev; | |
11930 | struct wireless_dev *wdev; | |
11931 | unsigned int vcmd_idx; | |
11932 | const struct wiphy_vendor_command *vcmd; | |
11933 | void *data; | |
11934 | int data_len; | |
11935 | int err; | |
11936 | struct nlattr *vendor_data; | |
11937 | ||
ea90e0dc | 11938 | rtnl_lock(); |
7bdbe400 JB |
11939 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); |
11940 | if (err) | |
ea90e0dc | 11941 | goto out; |
7bdbe400 JB |
11942 | |
11943 | vcmd_idx = cb->args[2]; | |
11944 | data = (void *)cb->args[3]; | |
11945 | data_len = cb->args[4]; | |
11946 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
11947 | ||
11948 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11949 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
ea90e0dc JB |
11950 | if (!wdev) { |
11951 | err = -EINVAL; | |
11952 | goto out; | |
11953 | } | |
7bdbe400 | 11954 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && |
ea90e0dc JB |
11955 | !wdev->netdev) { |
11956 | err = -EINVAL; | |
11957 | goto out; | |
11958 | } | |
7bdbe400 JB |
11959 | |
11960 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
ea90e0dc JB |
11961 | if (!wdev_running(wdev)) { |
11962 | err = -ENETDOWN; | |
11963 | goto out; | |
11964 | } | |
7bdbe400 JB |
11965 | } |
11966 | } | |
11967 | ||
11968 | while (1) { | |
11969 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
11970 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
11971 | NL80211_CMD_VENDOR); | |
11972 | if (!hdr) | |
11973 | break; | |
11974 | ||
11975 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
11976 | (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
11977 | wdev_id(wdev), | |
11978 | NL80211_ATTR_PAD))) { | |
7bdbe400 JB |
11979 | genlmsg_cancel(skb, hdr); |
11980 | break; | |
11981 | } | |
11982 | ||
11983 | vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA); | |
11984 | if (!vendor_data) { | |
11985 | genlmsg_cancel(skb, hdr); | |
11986 | break; | |
11987 | } | |
11988 | ||
11989 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
11990 | (unsigned long *)&cb->args[5]); | |
11991 | nla_nest_end(skb, vendor_data); | |
11992 | ||
11993 | if (err == -ENOBUFS || err == -ENOENT) { | |
11994 | genlmsg_cancel(skb, hdr); | |
11995 | break; | |
11996 | } else if (err) { | |
11997 | genlmsg_cancel(skb, hdr); | |
11998 | goto out; | |
11999 | } | |
12000 | ||
12001 | genlmsg_end(skb, hdr); | |
12002 | } | |
12003 | ||
12004 | err = skb->len; | |
12005 | out: | |
12006 | rtnl_unlock(); | |
12007 | return err; | |
12008 | } | |
12009 | ||
ad7e718c JB |
12010 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
12011 | enum nl80211_commands cmd, | |
12012 | enum nl80211_attrs attr, | |
12013 | int approxlen) | |
12014 | { | |
f26cbf40 | 12015 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
12016 | |
12017 | if (WARN_ON(!rdev->cur_cmd_info)) | |
12018 | return NULL; | |
12019 | ||
6c09e791 | 12020 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
12021 | rdev->cur_cmd_info->snd_portid, |
12022 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 12023 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
12024 | } |
12025 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
12026 | ||
12027 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
12028 | { | |
12029 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
12030 | void *hdr = ((void **)skb->cb)[1]; | |
12031 | struct nlattr *data = ((void **)skb->cb)[2]; | |
12032 | ||
bd8c78e7 JB |
12033 | /* clear CB data for netlink core to own from now on */ |
12034 | memset(skb->cb, 0, sizeof(skb->cb)); | |
12035 | ||
ad7e718c JB |
12036 | if (WARN_ON(!rdev->cur_cmd_info)) { |
12037 | kfree_skb(skb); | |
12038 | return -EINVAL; | |
12039 | } | |
12040 | ||
12041 | nla_nest_end(skb, data); | |
12042 | genlmsg_end(skb, hdr); | |
12043 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
12044 | } | |
12045 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
12046 | ||
fa9ffc74 KP |
12047 | static int nl80211_set_qos_map(struct sk_buff *skb, |
12048 | struct genl_info *info) | |
12049 | { | |
12050 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12051 | struct cfg80211_qos_map *qos_map = NULL; | |
12052 | struct net_device *dev = info->user_ptr[1]; | |
12053 | u8 *pos, len, num_des, des_len, des; | |
12054 | int ret; | |
12055 | ||
12056 | if (!rdev->ops->set_qos_map) | |
12057 | return -EOPNOTSUPP; | |
12058 | ||
12059 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
12060 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
12061 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
12062 | ||
12063 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
12064 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
12065 | return -EINVAL; | |
12066 | ||
12067 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
12068 | if (!qos_map) | |
12069 | return -ENOMEM; | |
12070 | ||
12071 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
12072 | if (num_des) { | |
12073 | des_len = num_des * | |
12074 | sizeof(struct cfg80211_dscp_exception); | |
12075 | memcpy(qos_map->dscp_exception, pos, des_len); | |
12076 | qos_map->num_des = num_des; | |
12077 | for (des = 0; des < num_des; des++) { | |
12078 | if (qos_map->dscp_exception[des].up > 7) { | |
12079 | kfree(qos_map); | |
12080 | return -EINVAL; | |
12081 | } | |
12082 | } | |
12083 | pos += des_len; | |
12084 | } | |
12085 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
12086 | } | |
12087 | ||
12088 | wdev_lock(dev->ieee80211_ptr); | |
12089 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
12090 | if (!ret) | |
12091 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
12092 | wdev_unlock(dev->ieee80211_ptr); | |
12093 | ||
12094 | kfree(qos_map); | |
12095 | return ret; | |
12096 | } | |
12097 | ||
960d01ac JB |
12098 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
12099 | { | |
12100 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12101 | struct net_device *dev = info->user_ptr[1]; | |
12102 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12103 | const u8 *peer; | |
12104 | u8 tsid, up; | |
12105 | u16 admitted_time = 0; | |
12106 | int err; | |
12107 | ||
723e73ac | 12108 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
12109 | return -EOPNOTSUPP; |
12110 | ||
12111 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
12112 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
12113 | return -EINVAL; | |
12114 | ||
12115 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
12116 | if (tsid >= IEEE80211_NUM_TIDS) | |
12117 | return -EINVAL; | |
12118 | ||
12119 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
12120 | if (up >= IEEE80211_NUM_UPS) | |
12121 | return -EINVAL; | |
12122 | ||
12123 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 12124 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 12125 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
12126 | * need more attributes for that (e.g. BA session requirement); |
12127 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
12128 | */ |
12129 | return -EINVAL; | |
12130 | } | |
12131 | ||
12132 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12133 | ||
12134 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
12135 | admitted_time = | |
12136 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
12137 | if (!admitted_time) | |
12138 | return -EINVAL; | |
12139 | } | |
12140 | ||
12141 | wdev_lock(wdev); | |
12142 | switch (wdev->iftype) { | |
12143 | case NL80211_IFTYPE_STATION: | |
12144 | case NL80211_IFTYPE_P2P_CLIENT: | |
12145 | if (wdev->current_bss) | |
12146 | break; | |
12147 | err = -ENOTCONN; | |
12148 | goto out; | |
12149 | default: | |
12150 | err = -EOPNOTSUPP; | |
12151 | goto out; | |
12152 | } | |
12153 | ||
12154 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
12155 | ||
12156 | out: | |
12157 | wdev_unlock(wdev); | |
12158 | return err; | |
12159 | } | |
12160 | ||
12161 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
12162 | { | |
12163 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12164 | struct net_device *dev = info->user_ptr[1]; | |
12165 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12166 | const u8 *peer; | |
12167 | u8 tsid; | |
12168 | int err; | |
12169 | ||
12170 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
12171 | return -EINVAL; | |
12172 | ||
12173 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
12174 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12175 | ||
12176 | wdev_lock(wdev); | |
12177 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
12178 | wdev_unlock(wdev); | |
12179 | ||
12180 | return err; | |
12181 | } | |
12182 | ||
1057d35e AN |
12183 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
12184 | struct genl_info *info) | |
12185 | { | |
12186 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12187 | struct net_device *dev = info->user_ptr[1]; | |
12188 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12189 | struct cfg80211_chan_def chandef = {}; | |
12190 | const u8 *addr; | |
12191 | u8 oper_class; | |
12192 | int err; | |
12193 | ||
12194 | if (!rdev->ops->tdls_channel_switch || | |
12195 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
12196 | return -EOPNOTSUPP; | |
12197 | ||
12198 | switch (dev->ieee80211_ptr->iftype) { | |
12199 | case NL80211_IFTYPE_STATION: | |
12200 | case NL80211_IFTYPE_P2P_CLIENT: | |
12201 | break; | |
12202 | default: | |
12203 | return -EOPNOTSUPP; | |
12204 | } | |
12205 | ||
12206 | if (!info->attrs[NL80211_ATTR_MAC] || | |
12207 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
12208 | return -EINVAL; | |
12209 | ||
12210 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
12211 | if (err) | |
12212 | return err; | |
12213 | ||
12214 | /* | |
12215 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
12216 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
12217 | * specification is not defined for them. | |
12218 | */ | |
57fbcce3 | 12219 | if (chandef.chan->band == NL80211_BAND_2GHZ && |
1057d35e AN |
12220 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && |
12221 | chandef.width != NL80211_CHAN_WIDTH_20) | |
12222 | return -EINVAL; | |
12223 | ||
12224 | /* we will be active on the TDLS link */ | |
923b352f AN |
12225 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
12226 | wdev->iftype)) | |
1057d35e AN |
12227 | return -EINVAL; |
12228 | ||
12229 | /* don't allow switching to DFS channels */ | |
12230 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
12231 | return -EINVAL; | |
12232 | ||
12233 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12234 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
12235 | ||
12236 | wdev_lock(wdev); | |
12237 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
12238 | wdev_unlock(wdev); | |
12239 | ||
12240 | return err; | |
12241 | } | |
12242 | ||
12243 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
12244 | struct genl_info *info) | |
12245 | { | |
12246 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12247 | struct net_device *dev = info->user_ptr[1]; | |
12248 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12249 | const u8 *addr; | |
12250 | ||
12251 | if (!rdev->ops->tdls_channel_switch || | |
12252 | !rdev->ops->tdls_cancel_channel_switch || | |
12253 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
12254 | return -EOPNOTSUPP; | |
12255 | ||
12256 | switch (dev->ieee80211_ptr->iftype) { | |
12257 | case NL80211_IFTYPE_STATION: | |
12258 | case NL80211_IFTYPE_P2P_CLIENT: | |
12259 | break; | |
12260 | default: | |
12261 | return -EOPNOTSUPP; | |
12262 | } | |
12263 | ||
12264 | if (!info->attrs[NL80211_ATTR_MAC]) | |
12265 | return -EINVAL; | |
12266 | ||
12267 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12268 | ||
12269 | wdev_lock(wdev); | |
12270 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
12271 | wdev_unlock(wdev); | |
12272 | ||
12273 | return 0; | |
12274 | } | |
12275 | ||
ce0ce13a MB |
12276 | static int nl80211_set_multicast_to_unicast(struct sk_buff *skb, |
12277 | struct genl_info *info) | |
12278 | { | |
12279 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12280 | struct net_device *dev = info->user_ptr[1]; | |
12281 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12282 | const struct nlattr *nla; | |
12283 | bool enabled; | |
12284 | ||
ce0ce13a MB |
12285 | if (!rdev->ops->set_multicast_to_unicast) |
12286 | return -EOPNOTSUPP; | |
12287 | ||
12288 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
12289 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
12290 | return -EOPNOTSUPP; | |
12291 | ||
12292 | nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED]; | |
12293 | enabled = nla_get_flag(nla); | |
12294 | ||
12295 | return rdev_set_multicast_to_unicast(rdev, dev, enabled); | |
12296 | } | |
12297 | ||
3a00df57 AS |
12298 | static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info) |
12299 | { | |
12300 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12301 | struct net_device *dev = info->user_ptr[1]; | |
12302 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12303 | struct cfg80211_pmk_conf pmk_conf = {}; | |
12304 | int ret; | |
12305 | ||
12306 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
12307 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
12308 | return -EOPNOTSUPP; | |
12309 | ||
12310 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
12311 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
12312 | return -EOPNOTSUPP; | |
12313 | ||
12314 | if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK]) | |
12315 | return -EINVAL; | |
12316 | ||
12317 | wdev_lock(wdev); | |
12318 | if (!wdev->current_bss) { | |
12319 | ret = -ENOTCONN; | |
12320 | goto out; | |
12321 | } | |
12322 | ||
12323 | pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12324 | if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) { | |
12325 | ret = -EINVAL; | |
12326 | goto out; | |
12327 | } | |
12328 | ||
12329 | pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
12330 | pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]); | |
12331 | if (pmk_conf.pmk_len != WLAN_PMK_LEN && | |
12332 | pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) { | |
12333 | ret = -EINVAL; | |
12334 | goto out; | |
12335 | } | |
12336 | ||
12337 | if (info->attrs[NL80211_ATTR_PMKR0_NAME]) { | |
12338 | int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]); | |
12339 | ||
12340 | if (r0_name_len != WLAN_PMK_NAME_LEN) { | |
12341 | ret = -EINVAL; | |
12342 | goto out; | |
12343 | } | |
12344 | ||
12345 | pmk_conf.pmk_r0_name = | |
12346 | nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]); | |
12347 | } | |
12348 | ||
12349 | ret = rdev_set_pmk(rdev, dev, &pmk_conf); | |
12350 | out: | |
12351 | wdev_unlock(wdev); | |
12352 | return ret; | |
12353 | } | |
12354 | ||
12355 | static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info) | |
12356 | { | |
12357 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12358 | struct net_device *dev = info->user_ptr[1]; | |
12359 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12360 | const u8 *aa; | |
12361 | int ret; | |
12362 | ||
12363 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
12364 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
12365 | return -EOPNOTSUPP; | |
12366 | ||
12367 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
12368 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
12369 | return -EOPNOTSUPP; | |
12370 | ||
12371 | if (!info->attrs[NL80211_ATTR_MAC]) | |
12372 | return -EINVAL; | |
12373 | ||
12374 | wdev_lock(wdev); | |
12375 | aa = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12376 | ret = rdev_del_pmk(rdev, dev, aa); | |
12377 | wdev_unlock(wdev); | |
12378 | ||
12379 | return ret; | |
12380 | } | |
12381 | ||
4c476991 JB |
12382 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
12383 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
12384 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
12385 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
12386 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
12387 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 12388 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 12389 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
12390 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
12391 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 12392 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 12393 | |
f84f771d | 12394 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
12395 | struct genl_info *info) |
12396 | { | |
12397 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 12398 | struct wireless_dev *wdev; |
4c476991 | 12399 | struct net_device *dev; |
4c476991 JB |
12400 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
12401 | ||
12402 | if (rtnl) | |
12403 | rtnl_lock(); | |
12404 | ||
12405 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 12406 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
12407 | if (IS_ERR(rdev)) { |
12408 | if (rtnl) | |
12409 | rtnl_unlock(); | |
12410 | return PTR_ERR(rdev); | |
12411 | } | |
12412 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
12413 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
12414 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
12415 | ASSERT_RTNL(); |
12416 | ||
89a54e48 JB |
12417 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
12418 | info->attrs); | |
12419 | if (IS_ERR(wdev)) { | |
4c476991 JB |
12420 | if (rtnl) |
12421 | rtnl_unlock(); | |
89a54e48 | 12422 | return PTR_ERR(wdev); |
4c476991 | 12423 | } |
89a54e48 | 12424 | |
89a54e48 | 12425 | dev = wdev->netdev; |
f26cbf40 | 12426 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 12427 | |
1bf614ef JB |
12428 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
12429 | if (!dev) { | |
1bf614ef JB |
12430 | if (rtnl) |
12431 | rtnl_unlock(); | |
12432 | return -EINVAL; | |
12433 | } | |
12434 | ||
12435 | info->user_ptr[1] = dev; | |
12436 | } else { | |
12437 | info->user_ptr[1] = wdev; | |
41265714 | 12438 | } |
1bf614ef | 12439 | |
73c7da3d AVS |
12440 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
12441 | !wdev_running(wdev)) { | |
12442 | if (rtnl) | |
12443 | rtnl_unlock(); | |
12444 | return -ENETDOWN; | |
12445 | } | |
1bf614ef | 12446 | |
73c7da3d | 12447 | if (dev) |
1bf614ef | 12448 | dev_hold(dev); |
89a54e48 | 12449 | |
4c476991 | 12450 | info->user_ptr[0] = rdev; |
4c476991 JB |
12451 | } |
12452 | ||
12453 | return 0; | |
12454 | } | |
12455 | ||
f84f771d | 12456 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
12457 | struct genl_info *info) |
12458 | { | |
1bf614ef JB |
12459 | if (info->user_ptr[1]) { |
12460 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
12461 | struct wireless_dev *wdev = info->user_ptr[1]; | |
12462 | ||
12463 | if (wdev->netdev) | |
12464 | dev_put(wdev->netdev); | |
12465 | } else { | |
12466 | dev_put(info->user_ptr[1]); | |
12467 | } | |
12468 | } | |
5393b917 | 12469 | |
4c476991 JB |
12470 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
12471 | rtnl_unlock(); | |
5393b917 JB |
12472 | |
12473 | /* If needed, clear the netlink message payload from the SKB | |
12474 | * as it might contain key data that shouldn't stick around on | |
12475 | * the heap after the SKB is freed. The netlink message header | |
12476 | * is still needed for further processing, so leave it intact. | |
12477 | */ | |
12478 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
12479 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
12480 | ||
12481 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
12482 | } | |
4c476991 JB |
12483 | } |
12484 | ||
4534de83 | 12485 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
12486 | { |
12487 | .cmd = NL80211_CMD_GET_WIPHY, | |
12488 | .doit = nl80211_get_wiphy, | |
12489 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 12490 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
12491 | .policy = nl80211_policy, |
12492 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
12493 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12494 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12495 | }, |
12496 | { | |
12497 | .cmd = NL80211_CMD_SET_WIPHY, | |
12498 | .doit = nl80211_set_wiphy, | |
12499 | .policy = nl80211_policy, | |
5617c6cd | 12500 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 | 12501 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
12502 | }, |
12503 | { | |
12504 | .cmd = NL80211_CMD_GET_INTERFACE, | |
12505 | .doit = nl80211_get_interface, | |
12506 | .dumpit = nl80211_dump_interface, | |
12507 | .policy = nl80211_policy, | |
12508 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
12509 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
12510 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12511 | }, |
12512 | { | |
12513 | .cmd = NL80211_CMD_SET_INTERFACE, | |
12514 | .doit = nl80211_set_interface, | |
12515 | .policy = nl80211_policy, | |
5617c6cd | 12516 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12517 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12518 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12519 | }, |
12520 | { | |
12521 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
12522 | .doit = nl80211_new_interface, | |
12523 | .policy = nl80211_policy, | |
5617c6cd | 12524 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12525 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12526 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12527 | }, |
12528 | { | |
12529 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
12530 | .doit = nl80211_del_interface, | |
12531 | .policy = nl80211_policy, | |
5617c6cd | 12532 | .flags = GENL_UNS_ADMIN_PERM, |
84efbb84 | 12533 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 12534 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
12535 | }, |
12536 | { | |
12537 | .cmd = NL80211_CMD_GET_KEY, | |
12538 | .doit = nl80211_get_key, | |
12539 | .policy = nl80211_policy, | |
5617c6cd | 12540 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12541 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12542 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
12543 | }, |
12544 | { | |
12545 | .cmd = NL80211_CMD_SET_KEY, | |
12546 | .doit = nl80211_set_key, | |
12547 | .policy = nl80211_policy, | |
5617c6cd | 12548 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12549 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12550 | NL80211_FLAG_NEED_RTNL | |
12551 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
12552 | }, |
12553 | { | |
12554 | .cmd = NL80211_CMD_NEW_KEY, | |
12555 | .doit = nl80211_new_key, | |
12556 | .policy = nl80211_policy, | |
5617c6cd | 12557 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12558 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12559 | NL80211_FLAG_NEED_RTNL | |
12560 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
12561 | }, |
12562 | { | |
12563 | .cmd = NL80211_CMD_DEL_KEY, | |
12564 | .doit = nl80211_del_key, | |
12565 | .policy = nl80211_policy, | |
5617c6cd | 12566 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12567 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12568 | NL80211_FLAG_NEED_RTNL, |
55682965 | 12569 | }, |
ed1b6cc7 JB |
12570 | { |
12571 | .cmd = NL80211_CMD_SET_BEACON, | |
12572 | .policy = nl80211_policy, | |
5617c6cd | 12573 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12574 | .doit = nl80211_set_beacon, |
2b5f8b0b | 12575 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12576 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12577 | }, |
12578 | { | |
8860020e | 12579 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 | 12580 | .policy = nl80211_policy, |
5617c6cd | 12581 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12582 | .doit = nl80211_start_ap, |
2b5f8b0b | 12583 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12584 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12585 | }, |
12586 | { | |
8860020e | 12587 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 | 12588 | .policy = nl80211_policy, |
5617c6cd | 12589 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12590 | .doit = nl80211_stop_ap, |
2b5f8b0b | 12591 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12592 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 12593 | }, |
5727ef1b JB |
12594 | { |
12595 | .cmd = NL80211_CMD_GET_STATION, | |
12596 | .doit = nl80211_get_station, | |
2ec600d6 | 12597 | .dumpit = nl80211_dump_station, |
5727ef1b | 12598 | .policy = nl80211_policy, |
4c476991 JB |
12599 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12600 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
12601 | }, |
12602 | { | |
12603 | .cmd = NL80211_CMD_SET_STATION, | |
12604 | .doit = nl80211_set_station, | |
12605 | .policy = nl80211_policy, | |
5617c6cd | 12606 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12607 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12608 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12609 | }, |
12610 | { | |
12611 | .cmd = NL80211_CMD_NEW_STATION, | |
12612 | .doit = nl80211_new_station, | |
12613 | .policy = nl80211_policy, | |
5617c6cd | 12614 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12615 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12616 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12617 | }, |
12618 | { | |
12619 | .cmd = NL80211_CMD_DEL_STATION, | |
12620 | .doit = nl80211_del_station, | |
12621 | .policy = nl80211_policy, | |
5617c6cd | 12622 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12623 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12624 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12625 | }, |
12626 | { | |
12627 | .cmd = NL80211_CMD_GET_MPATH, | |
12628 | .doit = nl80211_get_mpath, | |
12629 | .dumpit = nl80211_dump_mpath, | |
12630 | .policy = nl80211_policy, | |
5617c6cd | 12631 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12632 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12633 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 12634 | }, |
66be7d2b HR |
12635 | { |
12636 | .cmd = NL80211_CMD_GET_MPP, | |
12637 | .doit = nl80211_get_mpp, | |
12638 | .dumpit = nl80211_dump_mpp, | |
12639 | .policy = nl80211_policy, | |
5617c6cd | 12640 | .flags = GENL_UNS_ADMIN_PERM, |
66be7d2b HR |
12641 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12642 | NL80211_FLAG_NEED_RTNL, | |
12643 | }, | |
2ec600d6 LCC |
12644 | { |
12645 | .cmd = NL80211_CMD_SET_MPATH, | |
12646 | .doit = nl80211_set_mpath, | |
12647 | .policy = nl80211_policy, | |
5617c6cd | 12648 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12649 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12650 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12651 | }, |
12652 | { | |
12653 | .cmd = NL80211_CMD_NEW_MPATH, | |
12654 | .doit = nl80211_new_mpath, | |
12655 | .policy = nl80211_policy, | |
5617c6cd | 12656 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12657 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12658 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12659 | }, |
12660 | { | |
12661 | .cmd = NL80211_CMD_DEL_MPATH, | |
12662 | .doit = nl80211_del_mpath, | |
12663 | .policy = nl80211_policy, | |
5617c6cd | 12664 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12665 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12666 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
12667 | }, |
12668 | { | |
12669 | .cmd = NL80211_CMD_SET_BSS, | |
12670 | .doit = nl80211_set_bss, | |
12671 | .policy = nl80211_policy, | |
5617c6cd | 12672 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12673 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12674 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12675 | }, |
f130347c LR |
12676 | { |
12677 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
12678 | .doit = nl80211_get_reg_do, |
12679 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 12680 | .policy = nl80211_policy, |
5fe231e8 | 12681 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
12682 | /* can be retrieved by unprivileged users */ |
12683 | }, | |
b6863036 | 12684 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
b2e1b302 LR |
12685 | { |
12686 | .cmd = NL80211_CMD_SET_REG, | |
12687 | .doit = nl80211_set_reg, | |
12688 | .policy = nl80211_policy, | |
12689 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 12690 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12691 | }, |
b6863036 | 12692 | #endif |
b2e1b302 LR |
12693 | { |
12694 | .cmd = NL80211_CMD_REQ_SET_REG, | |
12695 | .doit = nl80211_req_set_reg, | |
12696 | .policy = nl80211_policy, | |
93da9cc1 | 12697 | .flags = GENL_ADMIN_PERM, |
12698 | }, | |
12699 | { | |
24bdd9f4 JC |
12700 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
12701 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 12702 | .policy = nl80211_policy, |
12703 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 12704 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12705 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 12706 | }, |
12707 | { | |
24bdd9f4 JC |
12708 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
12709 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 12710 | .policy = nl80211_policy, |
5617c6cd | 12711 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c | 12712 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12713 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 12714 | }, |
2a519311 JB |
12715 | { |
12716 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
12717 | .doit = nl80211_trigger_scan, | |
12718 | .policy = nl80211_policy, | |
5617c6cd | 12719 | .flags = GENL_UNS_ADMIN_PERM, |
fd014284 | 12720 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12721 | NL80211_FLAG_NEED_RTNL, |
2a519311 | 12722 | }, |
91d3ab46 VK |
12723 | { |
12724 | .cmd = NL80211_CMD_ABORT_SCAN, | |
12725 | .doit = nl80211_abort_scan, | |
12726 | .policy = nl80211_policy, | |
5617c6cd | 12727 | .flags = GENL_UNS_ADMIN_PERM, |
91d3ab46 VK |
12728 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12729 | NL80211_FLAG_NEED_RTNL, | |
12730 | }, | |
2a519311 JB |
12731 | { |
12732 | .cmd = NL80211_CMD_GET_SCAN, | |
12733 | .policy = nl80211_policy, | |
12734 | .dumpit = nl80211_dump_scan, | |
12735 | }, | |
807f8a8c LC |
12736 | { |
12737 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
12738 | .doit = nl80211_start_sched_scan, | |
12739 | .policy = nl80211_policy, | |
5617c6cd | 12740 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12741 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12742 | NL80211_FLAG_NEED_RTNL, | |
12743 | }, | |
12744 | { | |
12745 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
12746 | .doit = nl80211_stop_sched_scan, | |
12747 | .policy = nl80211_policy, | |
5617c6cd | 12748 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12749 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12750 | NL80211_FLAG_NEED_RTNL, | |
12751 | }, | |
636a5d36 JM |
12752 | { |
12753 | .cmd = NL80211_CMD_AUTHENTICATE, | |
12754 | .doit = nl80211_authenticate, | |
12755 | .policy = nl80211_policy, | |
5617c6cd | 12756 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12757 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12758 | NL80211_FLAG_NEED_RTNL | |
12759 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
12760 | }, |
12761 | { | |
12762 | .cmd = NL80211_CMD_ASSOCIATE, | |
12763 | .doit = nl80211_associate, | |
12764 | .policy = nl80211_policy, | |
5617c6cd | 12765 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12766 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12767 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12768 | }, |
12769 | { | |
12770 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
12771 | .doit = nl80211_deauthenticate, | |
12772 | .policy = nl80211_policy, | |
5617c6cd | 12773 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12774 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12775 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12776 | }, |
12777 | { | |
12778 | .cmd = NL80211_CMD_DISASSOCIATE, | |
12779 | .doit = nl80211_disassociate, | |
12780 | .policy = nl80211_policy, | |
5617c6cd | 12781 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12782 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12783 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 12784 | }, |
04a773ad JB |
12785 | { |
12786 | .cmd = NL80211_CMD_JOIN_IBSS, | |
12787 | .doit = nl80211_join_ibss, | |
12788 | .policy = nl80211_policy, | |
5617c6cd | 12789 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12790 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12791 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
12792 | }, |
12793 | { | |
12794 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
12795 | .doit = nl80211_leave_ibss, | |
12796 | .policy = nl80211_policy, | |
5617c6cd | 12797 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12798 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12799 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 12800 | }, |
aff89a9b JB |
12801 | #ifdef CONFIG_NL80211_TESTMODE |
12802 | { | |
12803 | .cmd = NL80211_CMD_TESTMODE, | |
12804 | .doit = nl80211_testmode_do, | |
71063f0e | 12805 | .dumpit = nl80211_testmode_dump, |
aff89a9b | 12806 | .policy = nl80211_policy, |
5617c6cd | 12807 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12808 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12809 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
12810 | }, |
12811 | #endif | |
b23aa676 SO |
12812 | { |
12813 | .cmd = NL80211_CMD_CONNECT, | |
12814 | .doit = nl80211_connect, | |
12815 | .policy = nl80211_policy, | |
5617c6cd | 12816 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12817 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12818 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12819 | }, |
088e8df8 | 12820 | { |
12821 | .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS, | |
12822 | .doit = nl80211_update_connect_params, | |
12823 | .policy = nl80211_policy, | |
12824 | .flags = GENL_ADMIN_PERM, | |
12825 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
12826 | NL80211_FLAG_NEED_RTNL, | |
12827 | }, | |
b23aa676 SO |
12828 | { |
12829 | .cmd = NL80211_CMD_DISCONNECT, | |
12830 | .doit = nl80211_disconnect, | |
12831 | .policy = nl80211_policy, | |
5617c6cd | 12832 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12833 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12834 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12835 | }, |
463d0183 JB |
12836 | { |
12837 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
12838 | .doit = nl80211_wiphy_netns, | |
12839 | .policy = nl80211_policy, | |
5617c6cd | 12840 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12841 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12842 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 12843 | }, |
61fa713c HS |
12844 | { |
12845 | .cmd = NL80211_CMD_GET_SURVEY, | |
12846 | .policy = nl80211_policy, | |
12847 | .dumpit = nl80211_dump_survey, | |
12848 | }, | |
67fbb16b SO |
12849 | { |
12850 | .cmd = NL80211_CMD_SET_PMKSA, | |
12851 | .doit = nl80211_setdel_pmksa, | |
12852 | .policy = nl80211_policy, | |
5617c6cd | 12853 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12854 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12855 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12856 | }, |
12857 | { | |
12858 | .cmd = NL80211_CMD_DEL_PMKSA, | |
12859 | .doit = nl80211_setdel_pmksa, | |
12860 | .policy = nl80211_policy, | |
5617c6cd | 12861 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12862 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12863 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12864 | }, |
12865 | { | |
12866 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
12867 | .doit = nl80211_flush_pmksa, | |
12868 | .policy = nl80211_policy, | |
5617c6cd | 12869 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12870 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12871 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 12872 | }, |
9588bbd5 JM |
12873 | { |
12874 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
12875 | .doit = nl80211_remain_on_channel, | |
12876 | .policy = nl80211_policy, | |
5617c6cd | 12877 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12878 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12879 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
12880 | }, |
12881 | { | |
12882 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
12883 | .doit = nl80211_cancel_remain_on_channel, | |
12884 | .policy = nl80211_policy, | |
5617c6cd | 12885 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12886 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12887 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 12888 | }, |
13ae75b1 JM |
12889 | { |
12890 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
12891 | .doit = nl80211_set_tx_bitrate_mask, | |
12892 | .policy = nl80211_policy, | |
5617c6cd | 12893 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12894 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12895 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 12896 | }, |
026331c4 | 12897 | { |
2e161f78 JB |
12898 | .cmd = NL80211_CMD_REGISTER_FRAME, |
12899 | .doit = nl80211_register_mgmt, | |
026331c4 | 12900 | .policy = nl80211_policy, |
5617c6cd | 12901 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12902 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 12903 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
12904 | }, |
12905 | { | |
2e161f78 JB |
12906 | .cmd = NL80211_CMD_FRAME, |
12907 | .doit = nl80211_tx_mgmt, | |
026331c4 | 12908 | .policy = nl80211_policy, |
5617c6cd | 12909 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12910 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
12911 | NL80211_FLAG_NEED_RTNL, |
12912 | }, | |
12913 | { | |
12914 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
12915 | .doit = nl80211_tx_mgmt_cancel_wait, | |
12916 | .policy = nl80211_policy, | |
5617c6cd | 12917 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12918 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12919 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 12920 | }, |
ffb9eb3d KV |
12921 | { |
12922 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
12923 | .doit = nl80211_set_power_save, | |
12924 | .policy = nl80211_policy, | |
5617c6cd | 12925 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12926 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12927 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
12928 | }, |
12929 | { | |
12930 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
12931 | .doit = nl80211_get_power_save, | |
12932 | .policy = nl80211_policy, | |
12933 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
12934 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12935 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 12936 | }, |
d6dc1a38 JO |
12937 | { |
12938 | .cmd = NL80211_CMD_SET_CQM, | |
12939 | .doit = nl80211_set_cqm, | |
12940 | .policy = nl80211_policy, | |
5617c6cd | 12941 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12942 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12943 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 12944 | }, |
f444de05 JB |
12945 | { |
12946 | .cmd = NL80211_CMD_SET_CHANNEL, | |
12947 | .doit = nl80211_set_channel, | |
12948 | .policy = nl80211_policy, | |
5617c6cd | 12949 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12950 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12951 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 12952 | }, |
e8347eba BJ |
12953 | { |
12954 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
12955 | .doit = nl80211_set_wds_peer, | |
12956 | .policy = nl80211_policy, | |
5617c6cd | 12957 | .flags = GENL_UNS_ADMIN_PERM, |
43b19952 JB |
12958 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12959 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 12960 | }, |
29cbe68c JB |
12961 | { |
12962 | .cmd = NL80211_CMD_JOIN_MESH, | |
12963 | .doit = nl80211_join_mesh, | |
12964 | .policy = nl80211_policy, | |
5617c6cd | 12965 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12966 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12967 | NL80211_FLAG_NEED_RTNL, | |
12968 | }, | |
12969 | { | |
12970 | .cmd = NL80211_CMD_LEAVE_MESH, | |
12971 | .doit = nl80211_leave_mesh, | |
12972 | .policy = nl80211_policy, | |
5617c6cd | 12973 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12974 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12975 | NL80211_FLAG_NEED_RTNL, | |
12976 | }, | |
6e0bd6c3 RL |
12977 | { |
12978 | .cmd = NL80211_CMD_JOIN_OCB, | |
12979 | .doit = nl80211_join_ocb, | |
12980 | .policy = nl80211_policy, | |
5617c6cd | 12981 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12982 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12983 | NL80211_FLAG_NEED_RTNL, | |
12984 | }, | |
12985 | { | |
12986 | .cmd = NL80211_CMD_LEAVE_OCB, | |
12987 | .doit = nl80211_leave_ocb, | |
12988 | .policy = nl80211_policy, | |
5617c6cd | 12989 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12990 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12991 | NL80211_FLAG_NEED_RTNL, | |
12992 | }, | |
dfb89c56 | 12993 | #ifdef CONFIG_PM |
ff1b6e69 JB |
12994 | { |
12995 | .cmd = NL80211_CMD_GET_WOWLAN, | |
12996 | .doit = nl80211_get_wowlan, | |
12997 | .policy = nl80211_policy, | |
12998 | /* can be retrieved by unprivileged users */ | |
12999 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
13000 | NL80211_FLAG_NEED_RTNL, | |
13001 | }, | |
13002 | { | |
13003 | .cmd = NL80211_CMD_SET_WOWLAN, | |
13004 | .doit = nl80211_set_wowlan, | |
13005 | .policy = nl80211_policy, | |
5617c6cd | 13006 | .flags = GENL_UNS_ADMIN_PERM, |
ff1b6e69 JB |
13007 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13008 | NL80211_FLAG_NEED_RTNL, | |
13009 | }, | |
dfb89c56 | 13010 | #endif |
e5497d76 JB |
13011 | { |
13012 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
13013 | .doit = nl80211_set_rekey_data, | |
13014 | .policy = nl80211_policy, | |
5617c6cd | 13015 | .flags = GENL_UNS_ADMIN_PERM, |
e5497d76 | 13016 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
13017 | NL80211_FLAG_NEED_RTNL | |
13018 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 13019 | }, |
109086ce AN |
13020 | { |
13021 | .cmd = NL80211_CMD_TDLS_MGMT, | |
13022 | .doit = nl80211_tdls_mgmt, | |
13023 | .policy = nl80211_policy, | |
5617c6cd | 13024 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
13025 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13026 | NL80211_FLAG_NEED_RTNL, | |
13027 | }, | |
13028 | { | |
13029 | .cmd = NL80211_CMD_TDLS_OPER, | |
13030 | .doit = nl80211_tdls_oper, | |
13031 | .policy = nl80211_policy, | |
5617c6cd | 13032 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
13033 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13034 | NL80211_FLAG_NEED_RTNL, | |
13035 | }, | |
28946da7 JB |
13036 | { |
13037 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
13038 | .doit = nl80211_register_unexpected_frame, | |
13039 | .policy = nl80211_policy, | |
5617c6cd | 13040 | .flags = GENL_UNS_ADMIN_PERM, |
28946da7 JB |
13041 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13042 | NL80211_FLAG_NEED_RTNL, | |
13043 | }, | |
7f6cf311 JB |
13044 | { |
13045 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
13046 | .doit = nl80211_probe_client, | |
13047 | .policy = nl80211_policy, | |
5617c6cd | 13048 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13049 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
13050 | NL80211_FLAG_NEED_RTNL, |
13051 | }, | |
5e760230 JB |
13052 | { |
13053 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
13054 | .doit = nl80211_register_beacons, | |
13055 | .policy = nl80211_policy, | |
5617c6cd | 13056 | .flags = GENL_UNS_ADMIN_PERM, |
5e760230 JB |
13057 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13058 | NL80211_FLAG_NEED_RTNL, | |
13059 | }, | |
1d9d9213 SW |
13060 | { |
13061 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
13062 | .doit = nl80211_set_noack_map, | |
13063 | .policy = nl80211_policy, | |
5617c6cd | 13064 | .flags = GENL_UNS_ADMIN_PERM, |
1d9d9213 SW |
13065 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13066 | NL80211_FLAG_NEED_RTNL, | |
13067 | }, | |
98104fde JB |
13068 | { |
13069 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
13070 | .doit = nl80211_start_p2p_device, | |
13071 | .policy = nl80211_policy, | |
5617c6cd | 13072 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
13073 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
13074 | NL80211_FLAG_NEED_RTNL, | |
13075 | }, | |
13076 | { | |
13077 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
13078 | .doit = nl80211_stop_p2p_device, | |
13079 | .policy = nl80211_policy, | |
5617c6cd | 13080 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
13081 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
13082 | NL80211_FLAG_NEED_RTNL, | |
cb3b7d87 AB |
13083 | }, |
13084 | { | |
13085 | .cmd = NL80211_CMD_START_NAN, | |
13086 | .doit = nl80211_start_nan, | |
13087 | .policy = nl80211_policy, | |
13088 | .flags = GENL_ADMIN_PERM, | |
13089 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
13090 | NL80211_FLAG_NEED_RTNL, | |
13091 | }, | |
13092 | { | |
13093 | .cmd = NL80211_CMD_STOP_NAN, | |
13094 | .doit = nl80211_stop_nan, | |
13095 | .policy = nl80211_policy, | |
13096 | .flags = GENL_ADMIN_PERM, | |
13097 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
13098 | NL80211_FLAG_NEED_RTNL, | |
a442b761 AB |
13099 | }, |
13100 | { | |
13101 | .cmd = NL80211_CMD_ADD_NAN_FUNCTION, | |
13102 | .doit = nl80211_nan_add_func, | |
13103 | .policy = nl80211_policy, | |
13104 | .flags = GENL_ADMIN_PERM, | |
13105 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
13106 | NL80211_FLAG_NEED_RTNL, | |
13107 | }, | |
13108 | { | |
13109 | .cmd = NL80211_CMD_DEL_NAN_FUNCTION, | |
13110 | .doit = nl80211_nan_del_func, | |
13111 | .policy = nl80211_policy, | |
13112 | .flags = GENL_ADMIN_PERM, | |
13113 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
13114 | NL80211_FLAG_NEED_RTNL, | |
a5a9dcf2 AB |
13115 | }, |
13116 | { | |
13117 | .cmd = NL80211_CMD_CHANGE_NAN_CONFIG, | |
13118 | .doit = nl80211_nan_change_config, | |
13119 | .policy = nl80211_policy, | |
13120 | .flags = GENL_ADMIN_PERM, | |
13121 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
13122 | NL80211_FLAG_NEED_RTNL, | |
98104fde | 13123 | }, |
f4e583c8 AQ |
13124 | { |
13125 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
13126 | .doit = nl80211_set_mcast_rate, | |
77765eaf | 13127 | .policy = nl80211_policy, |
5617c6cd | 13128 | .flags = GENL_UNS_ADMIN_PERM, |
77765eaf VT |
13129 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13130 | NL80211_FLAG_NEED_RTNL, | |
13131 | }, | |
13132 | { | |
13133 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
13134 | .doit = nl80211_set_mac_acl, | |
f4e583c8 | 13135 | .policy = nl80211_policy, |
5617c6cd | 13136 | .flags = GENL_UNS_ADMIN_PERM, |
f4e583c8 AQ |
13137 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13138 | NL80211_FLAG_NEED_RTNL, | |
13139 | }, | |
04f39047 SW |
13140 | { |
13141 | .cmd = NL80211_CMD_RADAR_DETECT, | |
13142 | .doit = nl80211_start_radar_detection, | |
13143 | .policy = nl80211_policy, | |
5617c6cd | 13144 | .flags = GENL_UNS_ADMIN_PERM, |
04f39047 SW |
13145 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13146 | NL80211_FLAG_NEED_RTNL, | |
13147 | }, | |
3713b4e3 JB |
13148 | { |
13149 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
13150 | .doit = nl80211_get_protocol_features, | |
13151 | .policy = nl80211_policy, | |
13152 | }, | |
355199e0 JM |
13153 | { |
13154 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
13155 | .doit = nl80211_update_ft_ies, | |
13156 | .policy = nl80211_policy, | |
5617c6cd | 13157 | .flags = GENL_UNS_ADMIN_PERM, |
355199e0 JM |
13158 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13159 | NL80211_FLAG_NEED_RTNL, | |
13160 | }, | |
5de17984 AS |
13161 | { |
13162 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
13163 | .doit = nl80211_crit_protocol_start, | |
13164 | .policy = nl80211_policy, | |
5617c6cd | 13165 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
13166 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
13167 | NL80211_FLAG_NEED_RTNL, | |
13168 | }, | |
13169 | { | |
13170 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
13171 | .doit = nl80211_crit_protocol_stop, | |
13172 | .policy = nl80211_policy, | |
5617c6cd | 13173 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
13174 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
13175 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
13176 | }, |
13177 | { | |
13178 | .cmd = NL80211_CMD_GET_COALESCE, | |
13179 | .doit = nl80211_get_coalesce, | |
13180 | .policy = nl80211_policy, | |
13181 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
13182 | NL80211_FLAG_NEED_RTNL, | |
13183 | }, | |
13184 | { | |
13185 | .cmd = NL80211_CMD_SET_COALESCE, | |
13186 | .doit = nl80211_set_coalesce, | |
13187 | .policy = nl80211_policy, | |
5617c6cd | 13188 | .flags = GENL_UNS_ADMIN_PERM, |
be29b99a AK |
13189 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13190 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
13191 | }, |
13192 | { | |
13193 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
13194 | .doit = nl80211_channel_switch, | |
13195 | .policy = nl80211_policy, | |
5617c6cd | 13196 | .flags = GENL_UNS_ADMIN_PERM, |
16ef1fe2 SW |
13197 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13198 | NL80211_FLAG_NEED_RTNL, | |
13199 | }, | |
ad7e718c JB |
13200 | { |
13201 | .cmd = NL80211_CMD_VENDOR, | |
13202 | .doit = nl80211_vendor_cmd, | |
7bdbe400 | 13203 | .dumpit = nl80211_vendor_cmd_dump, |
ad7e718c | 13204 | .policy = nl80211_policy, |
5617c6cd | 13205 | .flags = GENL_UNS_ADMIN_PERM, |
ad7e718c JB |
13206 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13207 | NL80211_FLAG_NEED_RTNL, | |
13208 | }, | |
fa9ffc74 KP |
13209 | { |
13210 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
13211 | .doit = nl80211_set_qos_map, | |
13212 | .policy = nl80211_policy, | |
5617c6cd | 13213 | .flags = GENL_UNS_ADMIN_PERM, |
fa9ffc74 KP |
13214 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13215 | NL80211_FLAG_NEED_RTNL, | |
13216 | }, | |
960d01ac JB |
13217 | { |
13218 | .cmd = NL80211_CMD_ADD_TX_TS, | |
13219 | .doit = nl80211_add_tx_ts, | |
13220 | .policy = nl80211_policy, | |
5617c6cd | 13221 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
13222 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13223 | NL80211_FLAG_NEED_RTNL, | |
13224 | }, | |
13225 | { | |
13226 | .cmd = NL80211_CMD_DEL_TX_TS, | |
13227 | .doit = nl80211_del_tx_ts, | |
13228 | .policy = nl80211_policy, | |
5617c6cd | 13229 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
13230 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13231 | NL80211_FLAG_NEED_RTNL, | |
13232 | }, | |
1057d35e AN |
13233 | { |
13234 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
13235 | .doit = nl80211_tdls_channel_switch, | |
13236 | .policy = nl80211_policy, | |
5617c6cd | 13237 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
13238 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13239 | NL80211_FLAG_NEED_RTNL, | |
13240 | }, | |
13241 | { | |
13242 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
13243 | .doit = nl80211_tdls_cancel_channel_switch, | |
13244 | .policy = nl80211_policy, | |
5617c6cd | 13245 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
13246 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13247 | NL80211_FLAG_NEED_RTNL, | |
13248 | }, | |
ce0ce13a MB |
13249 | { |
13250 | .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST, | |
13251 | .doit = nl80211_set_multicast_to_unicast, | |
13252 | .policy = nl80211_policy, | |
13253 | .flags = GENL_UNS_ADMIN_PERM, | |
13254 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
13255 | NL80211_FLAG_NEED_RTNL, | |
13256 | }, | |
3a00df57 AS |
13257 | { |
13258 | .cmd = NL80211_CMD_SET_PMK, | |
13259 | .doit = nl80211_set_pmk, | |
13260 | .policy = nl80211_policy, | |
13261 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
13262 | NL80211_FLAG_NEED_RTNL, | |
13263 | }, | |
13264 | { | |
13265 | .cmd = NL80211_CMD_DEL_PMK, | |
13266 | .doit = nl80211_del_pmk, | |
13267 | .policy = nl80211_policy, | |
13268 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
13269 | NL80211_FLAG_NEED_RTNL, | |
13270 | }, | |
13271 | ||
55682965 | 13272 | }; |
9588bbd5 | 13273 | |
56989f6d | 13274 | static struct genl_family nl80211_fam __ro_after_init = { |
489111e5 JB |
13275 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ |
13276 | .hdrsize = 0, /* no private header */ | |
13277 | .version = 1, /* no particular meaning now */ | |
13278 | .maxattr = NL80211_ATTR_MAX, | |
13279 | .netnsok = true, | |
13280 | .pre_doit = nl80211_pre_doit, | |
13281 | .post_doit = nl80211_post_doit, | |
13282 | .module = THIS_MODULE, | |
13283 | .ops = nl80211_ops, | |
13284 | .n_ops = ARRAY_SIZE(nl80211_ops), | |
13285 | .mcgrps = nl80211_mcgrps, | |
13286 | .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps), | |
13287 | }; | |
13288 | ||
55682965 JB |
13289 | /* notification functions */ |
13290 | ||
3bb20556 JB |
13291 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
13292 | enum nl80211_commands cmd) | |
55682965 JB |
13293 | { |
13294 | struct sk_buff *msg; | |
86e8cf98 | 13295 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 13296 | |
3bb20556 JB |
13297 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
13298 | cmd != NL80211_CMD_DEL_WIPHY); | |
13299 | ||
fd2120ca | 13300 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
13301 | if (!msg) |
13302 | return; | |
13303 | ||
3bb20556 | 13304 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
13305 | nlmsg_free(msg); |
13306 | return; | |
13307 | } | |
13308 | ||
68eb5503 | 13309 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13310 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
13311 | } |
13312 | ||
896ff063 DK |
13313 | void nl80211_notify_iface(struct cfg80211_registered_device *rdev, |
13314 | struct wireless_dev *wdev, | |
13315 | enum nl80211_commands cmd) | |
13316 | { | |
13317 | struct sk_buff *msg; | |
13318 | ||
13319 | WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && | |
13320 | cmd != NL80211_CMD_DEL_INTERFACE); | |
13321 | ||
13322 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13323 | if (!msg) | |
13324 | return; | |
13325 | ||
13326 | if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, | |
13327 | cmd == NL80211_CMD_DEL_INTERFACE) < 0) { | |
13328 | nlmsg_free(msg); | |
13329 | return; | |
13330 | } | |
13331 | ||
13332 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
13333 | NL80211_MCGRP_CONFIG, GFP_KERNEL); | |
13334 | } | |
13335 | ||
362a415d JB |
13336 | static int nl80211_add_scan_req(struct sk_buff *msg, |
13337 | struct cfg80211_registered_device *rdev) | |
13338 | { | |
13339 | struct cfg80211_scan_request *req = rdev->scan_req; | |
13340 | struct nlattr *nest; | |
13341 | int i; | |
13342 | ||
13343 | if (WARN_ON(!req)) | |
13344 | return 0; | |
13345 | ||
13346 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
13347 | if (!nest) | |
13348 | goto nla_put_failure; | |
9360ffd1 DM |
13349 | for (i = 0; i < req->n_ssids; i++) { |
13350 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
13351 | goto nla_put_failure; | |
13352 | } | |
362a415d JB |
13353 | nla_nest_end(msg, nest); |
13354 | ||
13355 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
13356 | if (!nest) | |
13357 | goto nla_put_failure; | |
9360ffd1 DM |
13358 | for (i = 0; i < req->n_channels; i++) { |
13359 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
13360 | goto nla_put_failure; | |
13361 | } | |
362a415d JB |
13362 | nla_nest_end(msg, nest); |
13363 | ||
9360ffd1 DM |
13364 | if (req->ie && |
13365 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
13366 | goto nla_put_failure; | |
362a415d | 13367 | |
ae917c9f JB |
13368 | if (req->flags && |
13369 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
13370 | goto nla_put_failure; | |
ed473771 | 13371 | |
1d76250b AS |
13372 | if (req->info.scan_start_tsf && |
13373 | (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF, | |
13374 | req->info.scan_start_tsf, NL80211_BSS_PAD) || | |
13375 | nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN, | |
13376 | req->info.tsf_bssid))) | |
13377 | goto nla_put_failure; | |
13378 | ||
362a415d JB |
13379 | return 0; |
13380 | nla_put_failure: | |
13381 | return -ENOBUFS; | |
13382 | } | |
13383 | ||
505a2e88 | 13384 | static int nl80211_prep_scan_msg(struct sk_buff *msg, |
a538e2d5 | 13385 | struct cfg80211_registered_device *rdev, |
fd014284 | 13386 | struct wireless_dev *wdev, |
15e47304 | 13387 | u32 portid, u32 seq, int flags, |
a538e2d5 | 13388 | u32 cmd) |
2a519311 JB |
13389 | { |
13390 | void *hdr; | |
13391 | ||
15e47304 | 13392 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
13393 | if (!hdr) |
13394 | return -1; | |
13395 | ||
9360ffd1 | 13396 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
13397 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13398 | wdev->netdev->ifindex)) || | |
2dad624e ND |
13399 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13400 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13401 | goto nla_put_failure; |
2a519311 | 13402 | |
362a415d JB |
13403 | /* ignore errors and send incomplete event anyway */ |
13404 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 13405 | |
053c095a JB |
13406 | genlmsg_end(msg, hdr); |
13407 | return 0; | |
2a519311 JB |
13408 | |
13409 | nla_put_failure: | |
13410 | genlmsg_cancel(msg, hdr); | |
13411 | return -EMSGSIZE; | |
13412 | } | |
13413 | ||
807f8a8c | 13414 | static int |
505a2e88 | 13415 | nl80211_prep_sched_scan_msg(struct sk_buff *msg, |
96b08fd6 | 13416 | struct cfg80211_sched_scan_request *req, u32 cmd) |
807f8a8c LC |
13417 | { |
13418 | void *hdr; | |
13419 | ||
96b08fd6 | 13420 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
807f8a8c LC |
13421 | if (!hdr) |
13422 | return -1; | |
13423 | ||
96b08fd6 AVS |
13424 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, |
13425 | wiphy_to_rdev(req->wiphy)->wiphy_idx) || | |
13426 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) || | |
13427 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid, | |
13428 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13429 | goto nla_put_failure; |
807f8a8c | 13430 | |
053c095a JB |
13431 | genlmsg_end(msg, hdr); |
13432 | return 0; | |
807f8a8c LC |
13433 | |
13434 | nla_put_failure: | |
13435 | genlmsg_cancel(msg, hdr); | |
13436 | return -EMSGSIZE; | |
13437 | } | |
13438 | ||
a538e2d5 | 13439 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 13440 | struct wireless_dev *wdev) |
a538e2d5 JB |
13441 | { |
13442 | struct sk_buff *msg; | |
13443 | ||
58050fce | 13444 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
13445 | if (!msg) |
13446 | return; | |
13447 | ||
505a2e88 | 13448 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
13449 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
13450 | nlmsg_free(msg); | |
13451 | return; | |
13452 | } | |
13453 | ||
68eb5503 | 13454 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13455 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
13456 | } |
13457 | ||
f9d15d16 JB |
13458 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
13459 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
13460 | { |
13461 | struct sk_buff *msg; | |
13462 | ||
fd2120ca | 13463 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 13464 | if (!msg) |
f9d15d16 | 13465 | return NULL; |
2a519311 | 13466 | |
505a2e88 | 13467 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
13468 | aborted ? NL80211_CMD_SCAN_ABORTED : |
13469 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 13470 | nlmsg_free(msg); |
f9d15d16 | 13471 | return NULL; |
2a519311 JB |
13472 | } |
13473 | ||
f9d15d16 | 13474 | return msg; |
2a519311 JB |
13475 | } |
13476 | ||
505a2e88 AVS |
13477 | /* send message created by nl80211_build_scan_msg() */ |
13478 | void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev, | |
13479 | struct sk_buff *msg) | |
807f8a8c | 13480 | { |
807f8a8c LC |
13481 | if (!msg) |
13482 | return; | |
13483 | ||
68eb5503 | 13484 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13485 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
13486 | } |
13487 | ||
96b08fd6 | 13488 | void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd) |
807f8a8c LC |
13489 | { |
13490 | struct sk_buff *msg; | |
13491 | ||
58050fce | 13492 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
13493 | if (!msg) |
13494 | return; | |
13495 | ||
96b08fd6 | 13496 | if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) { |
807f8a8c LC |
13497 | nlmsg_free(msg); |
13498 | return; | |
13499 | } | |
13500 | ||
96b08fd6 | 13501 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0, |
2a94fe48 | 13502 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
13503 | } |
13504 | ||
b0d7aa59 JD |
13505 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
13506 | struct regulatory_request *request) | |
73d54c9e | 13507 | { |
73d54c9e | 13508 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
13509 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
13510 | goto nla_put_failure; | |
13511 | ||
13512 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
13513 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13514 | NL80211_REGDOM_TYPE_WORLD)) | |
13515 | goto nla_put_failure; | |
13516 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
13517 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13518 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
13519 | goto nla_put_failure; | |
13520 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
13521 | request->intersect) { | |
13522 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13523 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
13524 | goto nla_put_failure; | |
13525 | } else { | |
13526 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13527 | NL80211_REGDOM_TYPE_COUNTRY) || | |
13528 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
13529 | request->alpha2)) | |
13530 | goto nla_put_failure; | |
13531 | } | |
13532 | ||
ad30ca2c AN |
13533 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
13534 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
13535 | ||
13536 | if (wiphy && | |
13537 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
13538 | goto nla_put_failure; | |
1bdd716c AN |
13539 | |
13540 | if (wiphy && | |
13541 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
13542 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
13543 | goto nla_put_failure; | |
ad30ca2c | 13544 | } |
73d54c9e | 13545 | |
b0d7aa59 JD |
13546 | return true; |
13547 | ||
13548 | nla_put_failure: | |
13549 | return false; | |
13550 | } | |
13551 | ||
13552 | /* | |
13553 | * This can happen on global regulatory changes or device specific settings | |
13554 | * based on custom regulatory domains. | |
13555 | */ | |
13556 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
13557 | struct regulatory_request *request) | |
13558 | { | |
13559 | struct sk_buff *msg; | |
13560 | void *hdr; | |
13561 | ||
13562 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13563 | if (!msg) | |
13564 | return; | |
13565 | ||
13566 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
13567 | if (!hdr) { | |
13568 | nlmsg_free(msg); | |
13569 | return; | |
13570 | } | |
13571 | ||
13572 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
13573 | goto nla_put_failure; | |
13574 | ||
3b7b72ee | 13575 | genlmsg_end(msg, hdr); |
73d54c9e | 13576 | |
bc43b28c | 13577 | rcu_read_lock(); |
68eb5503 | 13578 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13579 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 13580 | rcu_read_unlock(); |
73d54c9e LR |
13581 | |
13582 | return; | |
13583 | ||
13584 | nla_put_failure: | |
13585 | genlmsg_cancel(msg, hdr); | |
13586 | nlmsg_free(msg); | |
13587 | } | |
13588 | ||
6039f6d2 JM |
13589 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
13590 | struct net_device *netdev, | |
13591 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
13592 | enum nl80211_commands cmd, gfp_t gfp, |
13593 | int uapsd_queues) | |
6039f6d2 JM |
13594 | { |
13595 | struct sk_buff *msg; | |
13596 | void *hdr; | |
13597 | ||
4ef8c1c9 | 13598 | msg = nlmsg_new(100 + len, gfp); |
6039f6d2 JM |
13599 | if (!msg) |
13600 | return; | |
13601 | ||
13602 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13603 | if (!hdr) { | |
13604 | nlmsg_free(msg); | |
13605 | return; | |
13606 | } | |
13607 | ||
9360ffd1 DM |
13608 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13609 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13610 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
13611 | goto nla_put_failure; | |
6039f6d2 | 13612 | |
b0b6aa2c EP |
13613 | if (uapsd_queues >= 0) { |
13614 | struct nlattr *nla_wmm = | |
13615 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
13616 | if (!nla_wmm) | |
13617 | goto nla_put_failure; | |
13618 | ||
13619 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
13620 | uapsd_queues)) | |
13621 | goto nla_put_failure; | |
13622 | ||
13623 | nla_nest_end(msg, nla_wmm); | |
13624 | } | |
13625 | ||
3b7b72ee | 13626 | genlmsg_end(msg, hdr); |
6039f6d2 | 13627 | |
68eb5503 | 13628 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13629 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
13630 | return; |
13631 | ||
13632 | nla_put_failure: | |
13633 | genlmsg_cancel(msg, hdr); | |
13634 | nlmsg_free(msg); | |
13635 | } | |
13636 | ||
13637 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13638 | struct net_device *netdev, const u8 *buf, |
13639 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13640 | { |
13641 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13642 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13643 | } |
13644 | ||
13645 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
13646 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 13647 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 13648 | { |
e6d6e342 | 13649 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 13650 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
13651 | } |
13652 | ||
53b46b84 | 13653 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
13654 | struct net_device *netdev, const u8 *buf, |
13655 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13656 | { |
13657 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13658 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13659 | } |
13660 | ||
53b46b84 JM |
13661 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
13662 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 13663 | size_t len, gfp_t gfp) |
6039f6d2 JM |
13664 | { |
13665 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13666 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
13667 | } |
13668 | ||
6ff57cf8 JB |
13669 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
13670 | size_t len) | |
cf4e594e | 13671 | { |
947add36 JB |
13672 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13673 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13674 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
13675 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
13676 | u32 cmd; | |
947add36 | 13677 | |
6ff57cf8 JB |
13678 | if (WARN_ON(len < 2)) |
13679 | return; | |
cf4e594e | 13680 | |
6ff57cf8 JB |
13681 | if (ieee80211_is_deauth(mgmt->frame_control)) |
13682 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
13683 | else | |
13684 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 13685 | |
6ff57cf8 | 13686 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 13687 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 13688 | } |
6ff57cf8 | 13689 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 13690 | |
1b06bb40 LR |
13691 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
13692 | struct net_device *netdev, int cmd, | |
e6d6e342 | 13693 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
13694 | { |
13695 | struct sk_buff *msg; | |
13696 | void *hdr; | |
13697 | ||
e6d6e342 | 13698 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
13699 | if (!msg) |
13700 | return; | |
13701 | ||
13702 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13703 | if (!hdr) { | |
13704 | nlmsg_free(msg); | |
13705 | return; | |
13706 | } | |
13707 | ||
9360ffd1 DM |
13708 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13709 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13710 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
13711 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13712 | goto nla_put_failure; | |
1965c853 | 13713 | |
3b7b72ee | 13714 | genlmsg_end(msg, hdr); |
1965c853 | 13715 | |
68eb5503 | 13716 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13717 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
13718 | return; |
13719 | ||
13720 | nla_put_failure: | |
13721 | genlmsg_cancel(msg, hdr); | |
13722 | nlmsg_free(msg); | |
13723 | } | |
13724 | ||
13725 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13726 | struct net_device *netdev, const u8 *addr, |
13727 | gfp_t gfp) | |
1965c853 JM |
13728 | { |
13729 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 13730 | addr, gfp); |
1965c853 JM |
13731 | } |
13732 | ||
13733 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13734 | struct net_device *netdev, const u8 *addr, |
13735 | gfp_t gfp) | |
1965c853 | 13736 | { |
e6d6e342 JB |
13737 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
13738 | addr, gfp); | |
1965c853 JM |
13739 | } |
13740 | ||
b23aa676 | 13741 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
5349a0f7 VK |
13742 | struct net_device *netdev, |
13743 | struct cfg80211_connect_resp_params *cr, | |
3093ebbe | 13744 | gfp_t gfp) |
b23aa676 SO |
13745 | { |
13746 | struct sk_buff *msg; | |
13747 | void *hdr; | |
13748 | ||
a3caf744 VK |
13749 | msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len + |
13750 | cr->fils_kek_len + cr->pmk_len + | |
13751 | (cr->pmkid ? WLAN_PMKID_LEN : 0), gfp); | |
b23aa676 SO |
13752 | if (!msg) |
13753 | return; | |
13754 | ||
13755 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
13756 | if (!hdr) { | |
13757 | nlmsg_free(msg); | |
13758 | return; | |
13759 | } | |
13760 | ||
9360ffd1 DM |
13761 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13762 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
5349a0f7 VK |
13763 | (cr->bssid && |
13764 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) || | |
bf1ecd21 | 13765 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, |
5349a0f7 VK |
13766 | cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : |
13767 | cr->status) || | |
13768 | (cr->status < 0 && | |
3093ebbe | 13769 | (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || |
5349a0f7 VK |
13770 | nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON, |
13771 | cr->timeout_reason))) || | |
13772 | (cr->req_ie && | |
13773 | nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) || | |
13774 | (cr->resp_ie && | |
13775 | nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len, | |
a3caf744 VK |
13776 | cr->resp_ie)) || |
13777 | (cr->update_erp_next_seq_num && | |
13778 | nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM, | |
13779 | cr->fils_erp_next_seq_num)) || | |
13780 | (cr->status == WLAN_STATUS_SUCCESS && | |
13781 | ((cr->fils_kek && | |
13782 | nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils_kek_len, | |
13783 | cr->fils_kek)) || | |
13784 | (cr->pmk && | |
13785 | nla_put(msg, NL80211_ATTR_PMK, cr->pmk_len, cr->pmk)) || | |
13786 | (cr->pmkid && | |
13787 | nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->pmkid))))) | |
9360ffd1 | 13788 | goto nla_put_failure; |
b23aa676 | 13789 | |
3b7b72ee | 13790 | genlmsg_end(msg, hdr); |
b23aa676 | 13791 | |
68eb5503 | 13792 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13793 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13794 | return; |
13795 | ||
13796 | nla_put_failure: | |
13797 | genlmsg_cancel(msg, hdr); | |
13798 | nlmsg_free(msg); | |
b23aa676 SO |
13799 | } |
13800 | ||
13801 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
29ce6ecb AS |
13802 | struct net_device *netdev, |
13803 | struct cfg80211_roam_info *info, gfp_t gfp) | |
b23aa676 SO |
13804 | { |
13805 | struct sk_buff *msg; | |
13806 | void *hdr; | |
29ce6ecb | 13807 | const u8 *bssid = info->bss ? info->bss->bssid : info->bssid; |
b23aa676 | 13808 | |
29ce6ecb | 13809 | msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len, gfp); |
b23aa676 SO |
13810 | if (!msg) |
13811 | return; | |
13812 | ||
13813 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
13814 | if (!hdr) { | |
13815 | nlmsg_free(msg); | |
13816 | return; | |
13817 | } | |
13818 | ||
9360ffd1 DM |
13819 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13820 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13821 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
29ce6ecb AS |
13822 | (info->req_ie && |
13823 | nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len, | |
13824 | info->req_ie)) || | |
13825 | (info->resp_ie && | |
13826 | nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len, | |
f45cbe6e AS |
13827 | info->resp_ie)) || |
13828 | (info->authorized && | |
13829 | nla_put_flag(msg, NL80211_ATTR_PORT_AUTHORIZED))) | |
9360ffd1 | 13830 | goto nla_put_failure; |
b23aa676 | 13831 | |
3b7b72ee | 13832 | genlmsg_end(msg, hdr); |
b23aa676 | 13833 | |
68eb5503 | 13834 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13835 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13836 | return; |
13837 | ||
13838 | nla_put_failure: | |
13839 | genlmsg_cancel(msg, hdr); | |
13840 | nlmsg_free(msg); | |
b23aa676 SO |
13841 | } |
13842 | ||
13843 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
13844 | struct net_device *netdev, u16 reason, | |
667503dd | 13845 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
13846 | { |
13847 | struct sk_buff *msg; | |
13848 | void *hdr; | |
13849 | ||
4ef8c1c9 | 13850 | msg = nlmsg_new(100 + ie_len, GFP_KERNEL); |
b23aa676 SO |
13851 | if (!msg) |
13852 | return; | |
13853 | ||
13854 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
13855 | if (!hdr) { | |
13856 | nlmsg_free(msg); | |
13857 | return; | |
13858 | } | |
13859 | ||
9360ffd1 DM |
13860 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13861 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13862 | (from_ap && reason && | |
13863 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
13864 | (from_ap && | |
13865 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
13866 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
13867 | goto nla_put_failure; | |
b23aa676 | 13868 | |
3b7b72ee | 13869 | genlmsg_end(msg, hdr); |
b23aa676 | 13870 | |
68eb5503 | 13871 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13872 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
13873 | return; |
13874 | ||
13875 | nla_put_failure: | |
13876 | genlmsg_cancel(msg, hdr); | |
13877 | nlmsg_free(msg); | |
b23aa676 SO |
13878 | } |
13879 | ||
04a773ad JB |
13880 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
13881 | struct net_device *netdev, const u8 *bssid, | |
13882 | gfp_t gfp) | |
13883 | { | |
13884 | struct sk_buff *msg; | |
13885 | void *hdr; | |
13886 | ||
fd2120ca | 13887 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
13888 | if (!msg) |
13889 | return; | |
13890 | ||
13891 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
13892 | if (!hdr) { | |
13893 | nlmsg_free(msg); | |
13894 | return; | |
13895 | } | |
13896 | ||
9360ffd1 DM |
13897 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13898 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13899 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13900 | goto nla_put_failure; | |
04a773ad | 13901 | |
3b7b72ee | 13902 | genlmsg_end(msg, hdr); |
04a773ad | 13903 | |
68eb5503 | 13904 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13905 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
13906 | return; |
13907 | ||
13908 | nla_put_failure: | |
13909 | genlmsg_cancel(msg, hdr); | |
13910 | nlmsg_free(msg); | |
13911 | } | |
13912 | ||
947add36 JB |
13913 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
13914 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 13915 | { |
947add36 | 13916 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 13917 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
13918 | struct sk_buff *msg; |
13919 | void *hdr; | |
13920 | ||
947add36 JB |
13921 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
13922 | return; | |
13923 | ||
13924 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
13925 | ||
4ef8c1c9 | 13926 | msg = nlmsg_new(100 + ie_len, gfp); |
c93b5e71 JC |
13927 | if (!msg) |
13928 | return; | |
13929 | ||
13930 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
13931 | if (!hdr) { | |
13932 | nlmsg_free(msg); | |
13933 | return; | |
13934 | } | |
13935 | ||
9360ffd1 | 13936 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
13937 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
13938 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
13939 | (ie_len && ie && |
13940 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
13941 | goto nla_put_failure; | |
c93b5e71 | 13942 | |
3b7b72ee | 13943 | genlmsg_end(msg, hdr); |
c93b5e71 | 13944 | |
68eb5503 | 13945 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13946 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
13947 | return; |
13948 | ||
13949 | nla_put_failure: | |
13950 | genlmsg_cancel(msg, hdr); | |
13951 | nlmsg_free(msg); | |
13952 | } | |
947add36 | 13953 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 13954 | |
a3b8b056 JM |
13955 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
13956 | struct net_device *netdev, const u8 *addr, | |
13957 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 13958 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
13959 | { |
13960 | struct sk_buff *msg; | |
13961 | void *hdr; | |
13962 | ||
e6d6e342 | 13963 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
13964 | if (!msg) |
13965 | return; | |
13966 | ||
13967 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
13968 | if (!hdr) { | |
13969 | nlmsg_free(msg); | |
13970 | return; | |
13971 | } | |
13972 | ||
9360ffd1 DM |
13973 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13974 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13975 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
13976 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
13977 | (key_id != -1 && | |
13978 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
13979 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
13980 | goto nla_put_failure; | |
a3b8b056 | 13981 | |
3b7b72ee | 13982 | genlmsg_end(msg, hdr); |
a3b8b056 | 13983 | |
68eb5503 | 13984 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13985 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
13986 | return; |
13987 | ||
13988 | nla_put_failure: | |
13989 | genlmsg_cancel(msg, hdr); | |
13990 | nlmsg_free(msg); | |
13991 | } | |
13992 | ||
6bad8766 LR |
13993 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
13994 | struct ieee80211_channel *channel_before, | |
13995 | struct ieee80211_channel *channel_after) | |
13996 | { | |
13997 | struct sk_buff *msg; | |
13998 | void *hdr; | |
13999 | struct nlattr *nl_freq; | |
14000 | ||
fd2120ca | 14001 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
14002 | if (!msg) |
14003 | return; | |
14004 | ||
14005 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
14006 | if (!hdr) { | |
14007 | nlmsg_free(msg); | |
14008 | return; | |
14009 | } | |
14010 | ||
14011 | /* | |
14012 | * Since we are applying the beacon hint to a wiphy we know its | |
14013 | * wiphy_idx is valid | |
14014 | */ | |
9360ffd1 DM |
14015 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
14016 | goto nla_put_failure; | |
6bad8766 LR |
14017 | |
14018 | /* Before */ | |
14019 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
14020 | if (!nl_freq) | |
14021 | goto nla_put_failure; | |
cdc89b97 | 14022 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
14023 | goto nla_put_failure; |
14024 | nla_nest_end(msg, nl_freq); | |
14025 | ||
14026 | /* After */ | |
14027 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
14028 | if (!nl_freq) | |
14029 | goto nla_put_failure; | |
cdc89b97 | 14030 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
14031 | goto nla_put_failure; |
14032 | nla_nest_end(msg, nl_freq); | |
14033 | ||
3b7b72ee | 14034 | genlmsg_end(msg, hdr); |
6bad8766 | 14035 | |
463d0183 | 14036 | rcu_read_lock(); |
68eb5503 | 14037 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 14038 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 14039 | rcu_read_unlock(); |
6bad8766 LR |
14040 | |
14041 | return; | |
14042 | ||
14043 | nla_put_failure: | |
14044 | genlmsg_cancel(msg, hdr); | |
14045 | nlmsg_free(msg); | |
14046 | } | |
14047 | ||
9588bbd5 JM |
14048 | static void nl80211_send_remain_on_chan_event( |
14049 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 14050 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 14051 | struct ieee80211_channel *chan, |
9588bbd5 JM |
14052 | unsigned int duration, gfp_t gfp) |
14053 | { | |
14054 | struct sk_buff *msg; | |
14055 | void *hdr; | |
14056 | ||
14057 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14058 | if (!msg) | |
14059 | return; | |
14060 | ||
14061 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
14062 | if (!hdr) { | |
14063 | nlmsg_free(msg); | |
14064 | return; | |
14065 | } | |
14066 | ||
9360ffd1 | 14067 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
14068 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
14069 | wdev->netdev->ifindex)) || | |
2dad624e ND |
14070 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14071 | NL80211_ATTR_PAD) || | |
9360ffd1 | 14072 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
14073 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
14074 | NL80211_CHAN_NO_HT) || | |
2dad624e ND |
14075 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14076 | NL80211_ATTR_PAD)) | |
9360ffd1 | 14077 | goto nla_put_failure; |
9588bbd5 | 14078 | |
9360ffd1 DM |
14079 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
14080 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
14081 | goto nla_put_failure; | |
9588bbd5 | 14082 | |
3b7b72ee | 14083 | genlmsg_end(msg, hdr); |
9588bbd5 | 14084 | |
68eb5503 | 14085 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14086 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
14087 | return; |
14088 | ||
14089 | nla_put_failure: | |
14090 | genlmsg_cancel(msg, hdr); | |
14091 | nlmsg_free(msg); | |
14092 | } | |
14093 | ||
947add36 JB |
14094 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
14095 | struct ieee80211_channel *chan, | |
14096 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 14097 | { |
947add36 | 14098 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 14099 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14100 | |
14101 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 14102 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 14103 | rdev, wdev, cookie, chan, |
42d97a59 | 14104 | duration, gfp); |
9588bbd5 | 14105 | } |
947add36 | 14106 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 14107 | |
947add36 JB |
14108 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
14109 | struct ieee80211_channel *chan, | |
14110 | gfp_t gfp) | |
9588bbd5 | 14111 | { |
947add36 | 14112 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 14113 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14114 | |
14115 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 14116 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 14117 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 14118 | } |
947add36 | 14119 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 14120 | |
947add36 JB |
14121 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
14122 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 14123 | { |
947add36 | 14124 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 14125 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
14126 | struct sk_buff *msg; |
14127 | ||
947add36 JB |
14128 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
14129 | ||
58050fce | 14130 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
14131 | if (!msg) |
14132 | return; | |
14133 | ||
cf5ead82 | 14134 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 14135 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
14136 | nlmsg_free(msg); |
14137 | return; | |
14138 | } | |
14139 | ||
68eb5503 | 14140 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14141 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 14142 | } |
947add36 | 14143 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 14144 | |
cf5ead82 JB |
14145 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
14146 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 14147 | { |
947add36 | 14148 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 14149 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 14150 | struct sk_buff *msg; |
cf5ead82 JB |
14151 | struct station_info empty_sinfo = {}; |
14152 | ||
14153 | if (!sinfo) | |
14154 | sinfo = &empty_sinfo; | |
ec15e68b | 14155 | |
947add36 JB |
14156 | trace_cfg80211_del_sta(dev, mac_addr); |
14157 | ||
58050fce | 14158 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
14159 | if (!msg) |
14160 | return; | |
14161 | ||
cf5ead82 | 14162 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 14163 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b JM |
14164 | nlmsg_free(msg); |
14165 | return; | |
14166 | } | |
14167 | ||
68eb5503 | 14168 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14169 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 14170 | } |
cf5ead82 | 14171 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 14172 | |
947add36 JB |
14173 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
14174 | enum nl80211_connect_failed_reason reason, | |
14175 | gfp_t gfp) | |
ed44a951 | 14176 | { |
947add36 | 14177 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 14178 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
14179 | struct sk_buff *msg; |
14180 | void *hdr; | |
14181 | ||
14182 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
14183 | if (!msg) | |
14184 | return; | |
14185 | ||
14186 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
14187 | if (!hdr) { | |
14188 | nlmsg_free(msg); | |
14189 | return; | |
14190 | } | |
14191 | ||
14192 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14193 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
14194 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
14195 | goto nla_put_failure; | |
14196 | ||
14197 | genlmsg_end(msg, hdr); | |
14198 | ||
68eb5503 | 14199 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14200 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
14201 | return; |
14202 | ||
14203 | nla_put_failure: | |
14204 | genlmsg_cancel(msg, hdr); | |
14205 | nlmsg_free(msg); | |
14206 | } | |
947add36 | 14207 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 14208 | |
b92ab5d8 JB |
14209 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
14210 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
14211 | { |
14212 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14213 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
14214 | struct sk_buff *msg; |
14215 | void *hdr; | |
15e47304 | 14216 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 14217 | |
15e47304 | 14218 | if (!nlportid) |
28946da7 JB |
14219 | return false; |
14220 | ||
14221 | msg = nlmsg_new(100, gfp); | |
14222 | if (!msg) | |
14223 | return true; | |
14224 | ||
b92ab5d8 | 14225 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
14226 | if (!hdr) { |
14227 | nlmsg_free(msg); | |
14228 | return true; | |
14229 | } | |
14230 | ||
9360ffd1 DM |
14231 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14232 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14233 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
14234 | goto nla_put_failure; | |
28946da7 | 14235 | |
9c90a9f6 | 14236 | genlmsg_end(msg, hdr); |
15e47304 | 14237 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
14238 | return true; |
14239 | ||
14240 | nla_put_failure: | |
14241 | genlmsg_cancel(msg, hdr); | |
14242 | nlmsg_free(msg); | |
14243 | return true; | |
14244 | } | |
14245 | ||
947add36 JB |
14246 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
14247 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 14248 | { |
947add36 JB |
14249 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14250 | bool ret; | |
14251 | ||
14252 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
14253 | ||
14254 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
14255 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
14256 | trace_cfg80211_return_bool(false); | |
14257 | return false; | |
14258 | } | |
14259 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
14260 | addr, gfp); | |
14261 | trace_cfg80211_return_bool(ret); | |
14262 | return ret; | |
b92ab5d8 | 14263 | } |
947add36 | 14264 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 14265 | |
947add36 JB |
14266 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
14267 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 14268 | { |
947add36 JB |
14269 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14270 | bool ret; | |
14271 | ||
14272 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
14273 | ||
14274 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
14275 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
14276 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
14277 | trace_cfg80211_return_bool(false); | |
14278 | return false; | |
14279 | } | |
14280 | ret = __nl80211_unexpected_frame(dev, | |
14281 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
14282 | addr, gfp); | |
14283 | trace_cfg80211_return_bool(ret); | |
14284 | return ret; | |
b92ab5d8 | 14285 | } |
947add36 | 14286 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 14287 | |
2e161f78 | 14288 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 14289 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 14290 | int freq, int sig_dbm, |
19504cf5 | 14291 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 14292 | { |
71bbc994 | 14293 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
14294 | struct sk_buff *msg; |
14295 | void *hdr; | |
026331c4 | 14296 | |
4ef8c1c9 | 14297 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
14298 | if (!msg) |
14299 | return -ENOMEM; | |
14300 | ||
2e161f78 | 14301 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
14302 | if (!hdr) { |
14303 | nlmsg_free(msg); | |
14304 | return -ENOMEM; | |
14305 | } | |
14306 | ||
9360ffd1 | 14307 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
14308 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
14309 | netdev->ifindex)) || | |
2dad624e ND |
14310 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14311 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14312 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
14313 | (sig_dbm && | |
14314 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
14315 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
14316 | (flags && | |
14317 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 14318 | goto nla_put_failure; |
026331c4 | 14319 | |
3b7b72ee | 14320 | genlmsg_end(msg, hdr); |
026331c4 | 14321 | |
15e47304 | 14322 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
14323 | |
14324 | nla_put_failure: | |
14325 | genlmsg_cancel(msg, hdr); | |
14326 | nlmsg_free(msg); | |
14327 | return -ENOBUFS; | |
14328 | } | |
14329 | ||
947add36 JB |
14330 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
14331 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 14332 | { |
947add36 | 14333 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 14334 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 14335 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
14336 | struct sk_buff *msg; |
14337 | void *hdr; | |
14338 | ||
947add36 JB |
14339 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
14340 | ||
4ef8c1c9 | 14341 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
14342 | if (!msg) |
14343 | return; | |
14344 | ||
2e161f78 | 14345 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
14346 | if (!hdr) { |
14347 | nlmsg_free(msg); | |
14348 | return; | |
14349 | } | |
14350 | ||
9360ffd1 | 14351 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
14352 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
14353 | netdev->ifindex)) || | |
2dad624e ND |
14354 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14355 | NL80211_ATTR_PAD) || | |
9360ffd1 | 14356 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
2dad624e ND |
14357 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14358 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14359 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14360 | goto nla_put_failure; | |
026331c4 | 14361 | |
3b7b72ee | 14362 | genlmsg_end(msg, hdr); |
026331c4 | 14363 | |
68eb5503 | 14364 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14365 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
14366 | return; |
14367 | ||
14368 | nla_put_failure: | |
14369 | genlmsg_cancel(msg, hdr); | |
14370 | nlmsg_free(msg); | |
14371 | } | |
947add36 | 14372 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 14373 | |
5b97f49d JB |
14374 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
14375 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 14376 | { |
947add36 | 14377 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
14378 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
14379 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14380 | void **cb; | |
947add36 | 14381 | |
d6dc1a38 | 14382 | if (!msg) |
5b97f49d | 14383 | return NULL; |
d6dc1a38 | 14384 | |
5b97f49d JB |
14385 | cb = (void **)msg->cb; |
14386 | ||
14387 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
14388 | if (!cb[0]) { | |
d6dc1a38 | 14389 | nlmsg_free(msg); |
5b97f49d | 14390 | return NULL; |
d6dc1a38 JO |
14391 | } |
14392 | ||
9360ffd1 | 14393 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 14394 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 14395 | goto nla_put_failure; |
d6dc1a38 | 14396 | |
5b97f49d | 14397 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
14398 | goto nla_put_failure; |
14399 | ||
5b97f49d JB |
14400 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
14401 | if (!cb[1]) | |
9360ffd1 | 14402 | goto nla_put_failure; |
d6dc1a38 | 14403 | |
5b97f49d | 14404 | cb[2] = rdev; |
d6dc1a38 | 14405 | |
5b97f49d JB |
14406 | return msg; |
14407 | nla_put_failure: | |
14408 | nlmsg_free(msg); | |
14409 | return NULL; | |
14410 | } | |
14411 | ||
14412 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
14413 | { | |
14414 | void **cb = (void **)msg->cb; | |
14415 | struct cfg80211_registered_device *rdev = cb[2]; | |
14416 | ||
14417 | nla_nest_end(msg, cb[1]); | |
14418 | genlmsg_end(msg, cb[0]); | |
14419 | ||
14420 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 14421 | |
68eb5503 | 14422 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14423 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
14424 | } |
14425 | ||
14426 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
14427 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
bee427b8 | 14428 | s32 rssi_level, gfp_t gfp) |
5b97f49d JB |
14429 | { |
14430 | struct sk_buff *msg; | |
4a4b8169 AZ |
14431 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14432 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
5b97f49d | 14433 | |
bee427b8 | 14434 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level); |
5b97f49d | 14435 | |
98f03342 JB |
14436 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
14437 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
14438 | return; | |
14439 | ||
4a4b8169 AZ |
14440 | if (wdev->cqm_config) { |
14441 | wdev->cqm_config->last_rssi_event_value = rssi_level; | |
14442 | ||
14443 | cfg80211_cqm_rssi_update(rdev, dev); | |
14444 | ||
14445 | if (rssi_level == 0) | |
14446 | rssi_level = wdev->cqm_config->last_rssi_event_value; | |
14447 | } | |
14448 | ||
5b97f49d JB |
14449 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
14450 | if (!msg) | |
14451 | return; | |
14452 | ||
14453 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
14454 | rssi_event)) | |
14455 | goto nla_put_failure; | |
14456 | ||
bee427b8 AZ |
14457 | if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL, |
14458 | rssi_level)) | |
14459 | goto nla_put_failure; | |
14460 | ||
5b97f49d JB |
14461 | cfg80211_send_cqm(msg, gfp); |
14462 | ||
d6dc1a38 JO |
14463 | return; |
14464 | ||
14465 | nla_put_failure: | |
d6dc1a38 JO |
14466 | nlmsg_free(msg); |
14467 | } | |
947add36 | 14468 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 14469 | |
5b97f49d JB |
14470 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
14471 | const u8 *peer, u32 num_packets, | |
14472 | u32 rate, u32 intvl, gfp_t gfp) | |
14473 | { | |
14474 | struct sk_buff *msg; | |
14475 | ||
14476 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
14477 | if (!msg) | |
14478 | return; | |
14479 | ||
14480 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
14481 | goto nla_put_failure; | |
14482 | ||
14483 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
14484 | goto nla_put_failure; | |
14485 | ||
14486 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
14487 | goto nla_put_failure; | |
14488 | ||
14489 | cfg80211_send_cqm(msg, gfp); | |
14490 | return; | |
14491 | ||
14492 | nla_put_failure: | |
14493 | nlmsg_free(msg); | |
14494 | } | |
14495 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
14496 | ||
14497 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
14498 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
14499 | { | |
14500 | struct sk_buff *msg; | |
14501 | ||
14502 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
14503 | ||
14504 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
14505 | if (!msg) | |
14506 | return; | |
14507 | ||
14508 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
14509 | goto nla_put_failure; | |
14510 | ||
14511 | cfg80211_send_cqm(msg, gfp); | |
14512 | return; | |
14513 | ||
14514 | nla_put_failure: | |
14515 | nlmsg_free(msg); | |
14516 | } | |
14517 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
14518 | ||
98f03342 JB |
14519 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
14520 | { | |
14521 | struct sk_buff *msg; | |
14522 | ||
14523 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
14524 | if (!msg) | |
14525 | return; | |
14526 | ||
14527 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
14528 | goto nla_put_failure; | |
14529 | ||
14530 | cfg80211_send_cqm(msg, gfp); | |
14531 | return; | |
14532 | ||
14533 | nla_put_failure: | |
14534 | nlmsg_free(msg); | |
14535 | } | |
14536 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
14537 | ||
947add36 JB |
14538 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
14539 | struct net_device *netdev, const u8 *bssid, | |
14540 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
14541 | { |
14542 | struct sk_buff *msg; | |
14543 | struct nlattr *rekey_attr; | |
14544 | void *hdr; | |
14545 | ||
58050fce | 14546 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
14547 | if (!msg) |
14548 | return; | |
14549 | ||
14550 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
14551 | if (!hdr) { | |
14552 | nlmsg_free(msg); | |
14553 | return; | |
14554 | } | |
14555 | ||
9360ffd1 DM |
14556 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14557 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14558 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
14559 | goto nla_put_failure; | |
e5497d76 JB |
14560 | |
14561 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
14562 | if (!rekey_attr) | |
14563 | goto nla_put_failure; | |
14564 | ||
9360ffd1 DM |
14565 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
14566 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
14567 | goto nla_put_failure; | |
e5497d76 JB |
14568 | |
14569 | nla_nest_end(msg, rekey_attr); | |
14570 | ||
3b7b72ee | 14571 | genlmsg_end(msg, hdr); |
e5497d76 | 14572 | |
68eb5503 | 14573 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14574 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
14575 | return; |
14576 | ||
14577 | nla_put_failure: | |
14578 | genlmsg_cancel(msg, hdr); | |
14579 | nlmsg_free(msg); | |
14580 | } | |
14581 | ||
947add36 JB |
14582 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
14583 | const u8 *replay_ctr, gfp_t gfp) | |
14584 | { | |
14585 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14586 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14587 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14588 | |
14589 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
14590 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
14591 | } | |
14592 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
14593 | ||
14594 | static void | |
14595 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
14596 | struct net_device *netdev, int index, | |
14597 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
14598 | { |
14599 | struct sk_buff *msg; | |
14600 | struct nlattr *attr; | |
14601 | void *hdr; | |
14602 | ||
58050fce | 14603 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
14604 | if (!msg) |
14605 | return; | |
14606 | ||
14607 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
14608 | if (!hdr) { | |
14609 | nlmsg_free(msg); | |
14610 | return; | |
14611 | } | |
14612 | ||
9360ffd1 DM |
14613 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14614 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
14615 | goto nla_put_failure; | |
c9df56b4 JM |
14616 | |
14617 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
14618 | if (!attr) | |
14619 | goto nla_put_failure; | |
14620 | ||
9360ffd1 DM |
14621 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
14622 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
14623 | (preauth && | |
14624 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
14625 | goto nla_put_failure; | |
c9df56b4 JM |
14626 | |
14627 | nla_nest_end(msg, attr); | |
14628 | ||
3b7b72ee | 14629 | genlmsg_end(msg, hdr); |
c9df56b4 | 14630 | |
68eb5503 | 14631 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14632 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
14633 | return; |
14634 | ||
14635 | nla_put_failure: | |
14636 | genlmsg_cancel(msg, hdr); | |
14637 | nlmsg_free(msg); | |
14638 | } | |
14639 | ||
947add36 JB |
14640 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
14641 | const u8 *bssid, bool preauth, gfp_t gfp) | |
14642 | { | |
14643 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14644 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14645 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14646 | |
14647 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
14648 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
14649 | } | |
14650 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
14651 | ||
14652 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
14653 | struct net_device *netdev, | |
14654 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
14655 | gfp_t gfp, |
14656 | enum nl80211_commands notif, | |
14657 | u8 count) | |
5314526b TP |
14658 | { |
14659 | struct sk_buff *msg; | |
14660 | void *hdr; | |
14661 | ||
58050fce | 14662 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
14663 | if (!msg) |
14664 | return; | |
14665 | ||
f8d7552e | 14666 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
14667 | if (!hdr) { |
14668 | nlmsg_free(msg); | |
14669 | return; | |
14670 | } | |
14671 | ||
683b6d3b JB |
14672 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
14673 | goto nla_put_failure; | |
14674 | ||
14675 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 14676 | goto nla_put_failure; |
5314526b | 14677 | |
f8d7552e LC |
14678 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
14679 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
14680 | goto nla_put_failure; | |
14681 | ||
5314526b TP |
14682 | genlmsg_end(msg, hdr); |
14683 | ||
68eb5503 | 14684 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14685 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
14686 | return; |
14687 | ||
14688 | nla_put_failure: | |
14689 | genlmsg_cancel(msg, hdr); | |
14690 | nlmsg_free(msg); | |
14691 | } | |
14692 | ||
947add36 JB |
14693 | void cfg80211_ch_switch_notify(struct net_device *dev, |
14694 | struct cfg80211_chan_def *chandef) | |
84f10708 | 14695 | { |
947add36 JB |
14696 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14697 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14698 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 14699 | |
e487eaeb | 14700 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 14701 | |
e487eaeb | 14702 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 14703 | |
9e0e2961 | 14704 | wdev->chandef = *chandef; |
96f55f12 | 14705 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
14706 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
14707 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
14708 | } |
14709 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
14710 | ||
f8d7552e LC |
14711 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
14712 | struct cfg80211_chan_def *chandef, | |
14713 | u8 count) | |
14714 | { | |
14715 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14716 | struct wiphy *wiphy = wdev->wiphy; | |
14717 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
14718 | ||
14719 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
14720 | ||
14721 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
14722 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
14723 | } | |
14724 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
14725 | ||
04f39047 SW |
14726 | void |
14727 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 14728 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
14729 | enum nl80211_radar_event event, |
14730 | struct net_device *netdev, gfp_t gfp) | |
14731 | { | |
14732 | struct sk_buff *msg; | |
14733 | void *hdr; | |
14734 | ||
14735 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14736 | if (!msg) | |
14737 | return; | |
14738 | ||
14739 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
14740 | if (!hdr) { | |
14741 | nlmsg_free(msg); | |
14742 | return; | |
14743 | } | |
14744 | ||
14745 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
14746 | goto nla_put_failure; | |
14747 | ||
14748 | /* NOP and radar events don't need a netdev parameter */ | |
14749 | if (netdev) { | |
14750 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
14751 | ||
14752 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
2dad624e ND |
14753 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14754 | NL80211_ATTR_PAD)) | |
04f39047 SW |
14755 | goto nla_put_failure; |
14756 | } | |
14757 | ||
14758 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
14759 | goto nla_put_failure; | |
14760 | ||
14761 | if (nl80211_send_chandef(msg, chandef)) | |
14762 | goto nla_put_failure; | |
14763 | ||
9c90a9f6 | 14764 | genlmsg_end(msg, hdr); |
04f39047 | 14765 | |
68eb5503 | 14766 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14767 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
14768 | return; |
14769 | ||
14770 | nla_put_failure: | |
14771 | genlmsg_cancel(msg, hdr); | |
14772 | nlmsg_free(msg); | |
14773 | } | |
14774 | ||
7f6cf311 JB |
14775 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
14776 | u64 cookie, bool acked, gfp_t gfp) | |
14777 | { | |
14778 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14779 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
14780 | struct sk_buff *msg; |
14781 | void *hdr; | |
7f6cf311 | 14782 | |
4ee3e063 BL |
14783 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
14784 | ||
58050fce | 14785 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 14786 | |
7f6cf311 JB |
14787 | if (!msg) |
14788 | return; | |
14789 | ||
14790 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
14791 | if (!hdr) { | |
14792 | nlmsg_free(msg); | |
14793 | return; | |
14794 | } | |
14795 | ||
9360ffd1 DM |
14796 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14797 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14798 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
2dad624e ND |
14799 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14800 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14801 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14802 | goto nla_put_failure; | |
7f6cf311 | 14803 | |
9c90a9f6 | 14804 | genlmsg_end(msg, hdr); |
7f6cf311 | 14805 | |
68eb5503 | 14806 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14807 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
14808 | return; |
14809 | ||
14810 | nla_put_failure: | |
14811 | genlmsg_cancel(msg, hdr); | |
14812 | nlmsg_free(msg); | |
14813 | } | |
14814 | EXPORT_SYMBOL(cfg80211_probe_status); | |
14815 | ||
5e760230 JB |
14816 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
14817 | const u8 *frame, size_t len, | |
37c73b5f | 14818 | int freq, int sig_dbm) |
5e760230 | 14819 | { |
f26cbf40 | 14820 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
14821 | struct sk_buff *msg; |
14822 | void *hdr; | |
37c73b5f | 14823 | struct cfg80211_beacon_registration *reg; |
5e760230 | 14824 | |
4ee3e063 BL |
14825 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
14826 | ||
37c73b5f BG |
14827 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14828 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
14829 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
14830 | if (!msg) { | |
14831 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
14832 | return; | |
14833 | } | |
5e760230 | 14834 | |
37c73b5f BG |
14835 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
14836 | if (!hdr) | |
14837 | goto nla_put_failure; | |
5e760230 | 14838 | |
37c73b5f BG |
14839 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14840 | (freq && | |
14841 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
14842 | (sig_dbm && | |
14843 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
14844 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
14845 | goto nla_put_failure; | |
5e760230 | 14846 | |
37c73b5f | 14847 | genlmsg_end(msg, hdr); |
5e760230 | 14848 | |
37c73b5f BG |
14849 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
14850 | } | |
14851 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
14852 | return; |
14853 | ||
14854 | nla_put_failure: | |
37c73b5f BG |
14855 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
14856 | if (hdr) | |
14857 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
14858 | nlmsg_free(msg); |
14859 | } | |
14860 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
14861 | ||
cd8f7cb4 | 14862 | #ifdef CONFIG_PM |
8cd4d456 LC |
14863 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
14864 | struct cfg80211_wowlan_wakeup *wakeup) | |
14865 | { | |
14866 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
14867 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
14868 | int i, j; | |
14869 | ||
14870 | nl_results = nla_nest_start( | |
14871 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
14872 | if (!nl_results) | |
14873 | return -EMSGSIZE; | |
14874 | ||
14875 | for (i = 0; i < nd->n_matches; i++) { | |
14876 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
14877 | ||
14878 | nl_match = nla_nest_start(msg, i); | |
14879 | if (!nl_match) | |
14880 | break; | |
14881 | ||
14882 | /* The SSID attribute is optional in nl80211, but for | |
14883 | * simplicity reasons it's always present in the | |
14884 | * cfg80211 structure. If a driver can't pass the | |
14885 | * SSID, that needs to be changed. A zero length SSID | |
14886 | * is still a valid SSID (wildcard), so it cannot be | |
14887 | * used for this purpose. | |
14888 | */ | |
14889 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
14890 | match->ssid.ssid)) { | |
14891 | nla_nest_cancel(msg, nl_match); | |
14892 | goto out; | |
14893 | } | |
14894 | ||
14895 | if (match->n_channels) { | |
14896 | nl_freqs = nla_nest_start( | |
14897 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
14898 | if (!nl_freqs) { | |
14899 | nla_nest_cancel(msg, nl_match); | |
14900 | goto out; | |
14901 | } | |
14902 | ||
14903 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 14904 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
14905 | nla_nest_cancel(msg, nl_freqs); |
14906 | nla_nest_cancel(msg, nl_match); | |
14907 | goto out; | |
14908 | } | |
14909 | } | |
14910 | ||
14911 | nla_nest_end(msg, nl_freqs); | |
14912 | } | |
14913 | ||
14914 | nla_nest_end(msg, nl_match); | |
14915 | } | |
14916 | ||
14917 | out: | |
14918 | nla_nest_end(msg, nl_results); | |
14919 | return 0; | |
14920 | } | |
14921 | ||
cd8f7cb4 JB |
14922 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
14923 | struct cfg80211_wowlan_wakeup *wakeup, | |
14924 | gfp_t gfp) | |
14925 | { | |
f26cbf40 | 14926 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
14927 | struct sk_buff *msg; |
14928 | void *hdr; | |
9c90a9f6 | 14929 | int size = 200; |
cd8f7cb4 JB |
14930 | |
14931 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
14932 | ||
14933 | if (wakeup) | |
14934 | size += wakeup->packet_present_len; | |
14935 | ||
14936 | msg = nlmsg_new(size, gfp); | |
14937 | if (!msg) | |
14938 | return; | |
14939 | ||
14940 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
14941 | if (!hdr) | |
14942 | goto free_msg; | |
14943 | ||
14944 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14945 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14946 | NL80211_ATTR_PAD)) | |
cd8f7cb4 JB |
14947 | goto free_msg; |
14948 | ||
14949 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
14950 | wdev->netdev->ifindex)) | |
14951 | goto free_msg; | |
14952 | ||
14953 | if (wakeup) { | |
14954 | struct nlattr *reasons; | |
14955 | ||
14956 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
14957 | if (!reasons) |
14958 | goto free_msg; | |
cd8f7cb4 JB |
14959 | |
14960 | if (wakeup->disconnect && | |
14961 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
14962 | goto free_msg; | |
14963 | if (wakeup->magic_pkt && | |
14964 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
14965 | goto free_msg; | |
14966 | if (wakeup->gtk_rekey_failure && | |
14967 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
14968 | goto free_msg; | |
14969 | if (wakeup->eap_identity_req && | |
14970 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
14971 | goto free_msg; | |
14972 | if (wakeup->four_way_handshake && | |
14973 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
14974 | goto free_msg; | |
14975 | if (wakeup->rfkill_release && | |
14976 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
14977 | goto free_msg; | |
14978 | ||
14979 | if (wakeup->pattern_idx >= 0 && | |
14980 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
14981 | wakeup->pattern_idx)) | |
14982 | goto free_msg; | |
14983 | ||
ae917c9f JB |
14984 | if (wakeup->tcp_match && |
14985 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
14986 | goto free_msg; | |
2a0e047e | 14987 | |
ae917c9f JB |
14988 | if (wakeup->tcp_connlost && |
14989 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
14990 | goto free_msg; | |
2a0e047e | 14991 | |
ae917c9f JB |
14992 | if (wakeup->tcp_nomoretokens && |
14993 | nla_put_flag(msg, | |
14994 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
14995 | goto free_msg; | |
2a0e047e | 14996 | |
cd8f7cb4 JB |
14997 | if (wakeup->packet) { |
14998 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
14999 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
15000 | ||
15001 | if (!wakeup->packet_80211) { | |
15002 | pkt_attr = | |
15003 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
15004 | len_attr = | |
15005 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
15006 | } | |
15007 | ||
15008 | if (wakeup->packet_len && | |
15009 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
15010 | goto free_msg; | |
15011 | ||
15012 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
15013 | wakeup->packet)) | |
15014 | goto free_msg; | |
15015 | } | |
15016 | ||
8cd4d456 LC |
15017 | if (wakeup->net_detect && |
15018 | cfg80211_net_detect_results(msg, wakeup)) | |
15019 | goto free_msg; | |
15020 | ||
cd8f7cb4 JB |
15021 | nla_nest_end(msg, reasons); |
15022 | } | |
15023 | ||
9c90a9f6 | 15024 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 15025 | |
68eb5503 | 15026 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15027 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
15028 | return; |
15029 | ||
15030 | free_msg: | |
15031 | nlmsg_free(msg); | |
15032 | } | |
15033 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
15034 | #endif | |
15035 | ||
3475b094 JM |
15036 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
15037 | enum nl80211_tdls_operation oper, | |
15038 | u16 reason_code, gfp_t gfp) | |
15039 | { | |
15040 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 15041 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
15042 | struct sk_buff *msg; |
15043 | void *hdr; | |
3475b094 JM |
15044 | |
15045 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
15046 | reason_code); | |
15047 | ||
15048 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
15049 | if (!msg) | |
15050 | return; | |
15051 | ||
15052 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
15053 | if (!hdr) { | |
15054 | nlmsg_free(msg); | |
15055 | return; | |
15056 | } | |
15057 | ||
15058 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
15059 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
15060 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
15061 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
15062 | (reason_code > 0 && | |
15063 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
15064 | goto nla_put_failure; | |
15065 | ||
9c90a9f6 | 15066 | genlmsg_end(msg, hdr); |
3475b094 | 15067 | |
68eb5503 | 15068 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15069 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
15070 | return; |
15071 | ||
15072 | nla_put_failure: | |
15073 | genlmsg_cancel(msg, hdr); | |
15074 | nlmsg_free(msg); | |
15075 | } | |
15076 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
15077 | ||
026331c4 JM |
15078 | static int nl80211_netlink_notify(struct notifier_block * nb, |
15079 | unsigned long state, | |
15080 | void *_notify) | |
15081 | { | |
15082 | struct netlink_notify *notify = _notify; | |
15083 | struct cfg80211_registered_device *rdev; | |
15084 | struct wireless_dev *wdev; | |
37c73b5f | 15085 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 | 15086 | |
8f815cdd | 15087 | if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC) |
026331c4 JM |
15088 | return NOTIFY_DONE; |
15089 | ||
15090 | rcu_read_lock(); | |
15091 | ||
5e760230 | 15092 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
ca986ad9 | 15093 | struct cfg80211_sched_scan_request *sched_scan_req; |
753aacfd | 15094 | |
ca986ad9 AVS |
15095 | list_for_each_entry_rcu(sched_scan_req, |
15096 | &rdev->sched_scan_req_list, | |
15097 | list) { | |
15098 | if (sched_scan_req->owner_nlportid == notify->portid) { | |
15099 | sched_scan_req->nl_owner_dead = true; | |
753aacfd | 15100 | schedule_work(&rdev->sched_scan_stop_wk); |
ca986ad9 | 15101 | } |
753aacfd | 15102 | } |
78f22b6a | 15103 | |
53873f13 | 15104 | list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) { |
15e47304 | 15105 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 15106 | |
ab81007a JB |
15107 | if (wdev->owner_nlportid == notify->portid) { |
15108 | wdev->nl_owner_dead = true; | |
15109 | schedule_work(&rdev->destroy_work); | |
15110 | } else if (wdev->conn_owner_nlportid == notify->portid) { | |
bd2522b1 | 15111 | schedule_work(&wdev->disconnect_wk); |
ab81007a | 15112 | } |
78f22b6a JB |
15113 | } |
15114 | ||
37c73b5f BG |
15115 | spin_lock_bh(&rdev->beacon_registrations_lock); |
15116 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
15117 | list) { | |
15118 | if (reg->nlportid == notify->portid) { | |
15119 | list_del(®->list); | |
15120 | kfree(reg); | |
15121 | break; | |
15122 | } | |
15123 | } | |
15124 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 15125 | } |
026331c4 JM |
15126 | |
15127 | rcu_read_unlock(); | |
15128 | ||
05050753 I |
15129 | /* |
15130 | * It is possible that the user space process that is controlling the | |
15131 | * indoor setting disappeared, so notify the regulatory core. | |
15132 | */ | |
15133 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 15134 | return NOTIFY_OK; |
026331c4 JM |
15135 | } |
15136 | ||
15137 | static struct notifier_block nl80211_netlink_notifier = { | |
15138 | .notifier_call = nl80211_netlink_notify, | |
15139 | }; | |
15140 | ||
355199e0 JM |
15141 | void cfg80211_ft_event(struct net_device *netdev, |
15142 | struct cfg80211_ft_event_params *ft_event) | |
15143 | { | |
15144 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 15145 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
15146 | struct sk_buff *msg; |
15147 | void *hdr; | |
355199e0 JM |
15148 | |
15149 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
15150 | ||
15151 | if (!ft_event->target_ap) | |
15152 | return; | |
15153 | ||
4ef8c1c9 | 15154 | msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL); |
355199e0 JM |
15155 | if (!msg) |
15156 | return; | |
15157 | ||
15158 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
15159 | if (!hdr) |
15160 | goto out; | |
355199e0 | 15161 | |
ae917c9f JB |
15162 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
15163 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
15164 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
15165 | goto out; | |
355199e0 | 15166 | |
ae917c9f JB |
15167 | if (ft_event->ies && |
15168 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
15169 | goto out; | |
15170 | if (ft_event->ric_ies && | |
15171 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
15172 | ft_event->ric_ies)) | |
15173 | goto out; | |
355199e0 | 15174 | |
9c90a9f6 | 15175 | genlmsg_end(msg, hdr); |
355199e0 | 15176 | |
68eb5503 | 15177 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15178 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
15179 | return; |
15180 | out: | |
15181 | nlmsg_free(msg); | |
355199e0 JM |
15182 | } |
15183 | EXPORT_SYMBOL(cfg80211_ft_event); | |
15184 | ||
5de17984 AS |
15185 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
15186 | { | |
15187 | struct cfg80211_registered_device *rdev; | |
15188 | struct sk_buff *msg; | |
15189 | void *hdr; | |
15190 | u32 nlportid; | |
15191 | ||
f26cbf40 | 15192 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
15193 | if (!rdev->crit_proto_nlportid) |
15194 | return; | |
15195 | ||
15196 | nlportid = rdev->crit_proto_nlportid; | |
15197 | rdev->crit_proto_nlportid = 0; | |
15198 | ||
15199 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
15200 | if (!msg) | |
15201 | return; | |
15202 | ||
15203 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
15204 | if (!hdr) | |
15205 | goto nla_put_failure; | |
15206 | ||
15207 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
15208 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
15209 | NL80211_ATTR_PAD)) | |
5de17984 AS |
15210 | goto nla_put_failure; |
15211 | ||
15212 | genlmsg_end(msg, hdr); | |
15213 | ||
15214 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
15215 | return; | |
15216 | ||
15217 | nla_put_failure: | |
15218 | if (hdr) | |
15219 | genlmsg_cancel(msg, hdr); | |
15220 | nlmsg_free(msg); | |
5de17984 AS |
15221 | } |
15222 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
15223 | ||
348baf0e JB |
15224 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
15225 | { | |
15226 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 15227 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
15228 | struct sk_buff *msg; |
15229 | void *hdr; | |
15230 | ||
15231 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
15232 | if (!msg) | |
15233 | return; | |
15234 | ||
15235 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
15236 | if (!hdr) | |
15237 | goto out; | |
15238 | ||
15239 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
15240 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
2dad624e ND |
15241 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
15242 | NL80211_ATTR_PAD)) | |
348baf0e JB |
15243 | goto out; |
15244 | ||
15245 | genlmsg_end(msg, hdr); | |
15246 | ||
15247 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
15248 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
15249 | return; | |
15250 | out: | |
15251 | nlmsg_free(msg); | |
15252 | } | |
15253 | ||
55682965 JB |
15254 | /* initialisation/exit functions */ |
15255 | ||
56989f6d | 15256 | int __init nl80211_init(void) |
55682965 | 15257 | { |
0d63cbb5 | 15258 | int err; |
55682965 | 15259 | |
489111e5 | 15260 | err = genl_register_family(&nl80211_fam); |
55682965 JB |
15261 | if (err) |
15262 | return err; | |
15263 | ||
026331c4 JM |
15264 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
15265 | if (err) | |
15266 | goto err_out; | |
15267 | ||
55682965 JB |
15268 | return 0; |
15269 | err_out: | |
15270 | genl_unregister_family(&nl80211_fam); | |
15271 | return err; | |
15272 | } | |
15273 | ||
15274 | void nl80211_exit(void) | |
15275 | { | |
026331c4 | 15276 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
15277 | genl_unregister_family(&nl80211_fam); |
15278 | } |