Commit | Line | Data |
---|---|---|
55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
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 }, |
67fbb16b SO |
294 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
295 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
296 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
297 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 298 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
299 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
300 | .len = IEEE80211_MAX_DATA_LEN }, | |
301 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 302 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 303 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 304 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 305 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
306 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
307 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 308 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
309 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
310 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 311 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 312 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 313 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 314 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 315 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 316 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 317 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 318 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 319 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
320 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
321 | .len = IEEE80211_MAX_DATA_LEN }, | |
322 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
323 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 324 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 325 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 326 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
327 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
328 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
329 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
330 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
331 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 332 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 333 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
334 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
335 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 336 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
337 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
338 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
339 | .len = NL80211_HT_CAPABILITY_LEN | |
340 | }, | |
1d9d9213 | 341 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 342 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 343 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 344 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 345 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
11b6b5a4 | 346 | [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 347 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 348 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
349 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
350 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
351 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
352 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
353 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
354 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 355 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
356 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
357 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
358 | .len = NL80211_VHT_CAPABILITY_LEN, | |
359 | }, | |
355199e0 JM |
360 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
361 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
362 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 363 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
364 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
365 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
366 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
367 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
368 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
369 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
370 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 371 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 372 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
373 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
374 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
375 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
376 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
377 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
378 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
379 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 380 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
18e5ca65 | 381 | [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 382 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 383 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
960d01ac JB |
384 | [NL80211_ATTR_TSID] = { .type = NLA_U8 }, |
385 | [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, | |
386 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, | |
18998c38 | 387 | [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, |
ad2b26ab | 388 | [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN }, |
1bdd716c | 389 | [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG }, |
4b681c82 | 390 | [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 }, |
9c748934 | 391 | [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 }, |
05050753 | 392 | [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG }, |
34d50519 | 393 | [NL80211_ATTR_PBSS] = { .type = NLA_FLAG }, |
38de03d2 | 394 | [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED }, |
17b94247 | 395 | [NL80211_ATTR_STA_SUPPORT_P2P_PS] = { .type = NLA_U8 }, |
c6e6a0c8 AE |
396 | [NL80211_ATTR_MU_MIMO_GROUP_DATA] = { |
397 | .len = VHT_MUMIMO_GROUPS_DATA_LEN | |
398 | }, | |
399 | [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN }, | |
cb3b7d87 | 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 }, |
55682965 JB |
413 | }; |
414 | ||
e31b8213 | 415 | /* policy for the key attributes */ |
b54452b0 | 416 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 417 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
418 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
419 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 420 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
421 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
422 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 423 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
424 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
425 | }; | |
426 | ||
427 | /* policy for the key default flags */ | |
428 | static const struct nla_policy | |
429 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
430 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
431 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
432 | }; |
433 | ||
f83ace3b | 434 | #ifdef CONFIG_PM |
ff1b6e69 JB |
435 | /* policy for WoWLAN attributes */ |
436 | static const struct nla_policy | |
437 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
438 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
439 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
440 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
441 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
442 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
443 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
444 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
445 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 446 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 447 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
448 | }; |
449 | ||
450 | static const struct nla_policy | |
451 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
452 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
453 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
454 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
455 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
456 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
457 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
458 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
459 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
460 | }, | |
461 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
462 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
463 | }, | |
464 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
465 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
466 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 | 467 | }; |
f83ace3b | 468 | #endif /* CONFIG_PM */ |
ff1b6e69 | 469 | |
be29b99a AK |
470 | /* policy for coalesce rule attributes */ |
471 | static const struct nla_policy | |
472 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
473 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
474 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
475 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
476 | }; | |
477 | ||
e5497d76 JB |
478 | /* policy for GTK rekey offload attributes */ |
479 | static const struct nla_policy | |
480 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
481 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
482 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
483 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
484 | }; | |
485 | ||
a1f1c21c LC |
486 | static const struct nla_policy |
487 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 488 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 489 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 490 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
491 | }; |
492 | ||
3b06d277 AS |
493 | static const struct nla_policy |
494 | nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = { | |
495 | [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 }, | |
496 | [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 }, | |
497 | }; | |
498 | ||
38de03d2 AS |
499 | static const struct nla_policy |
500 | nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = { | |
501 | [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG }, | |
502 | [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 }, | |
503 | [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = { | |
504 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
505 | }, | |
506 | }; | |
507 | ||
a442b761 AB |
508 | /* policy for NAN function attributes */ |
509 | static const struct nla_policy | |
510 | nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = { | |
511 | [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 }, | |
512 | [NL80211_NAN_FUNC_SERVICE_ID] = { .type = NLA_BINARY, | |
513 | .len = NL80211_NAN_FUNC_SERVICE_ID_LEN }, | |
514 | [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 }, | |
515 | [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG }, | |
516 | [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG }, | |
517 | [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 }, | |
518 | [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 }, | |
519 | [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN }, | |
520 | [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG }, | |
521 | [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 }, | |
522 | [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY, | |
523 | .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN }, | |
524 | [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED }, | |
525 | [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
526 | [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
527 | [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 }, | |
528 | [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 }, | |
529 | }; | |
530 | ||
531 | /* policy for Service Response Filter attributes */ | |
532 | static const struct nla_policy | |
533 | nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = { | |
534 | [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG }, | |
535 | [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY, | |
536 | .len = NL80211_NAN_FUNC_SRF_MAX_LEN }, | |
537 | [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 }, | |
538 | [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED }, | |
539 | }; | |
540 | ||
97990a06 JB |
541 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
542 | struct netlink_callback *cb, | |
543 | struct cfg80211_registered_device **rdev, | |
544 | struct wireless_dev **wdev) | |
a043897a | 545 | { |
97990a06 | 546 | int err; |
a043897a | 547 | |
97990a06 | 548 | rtnl_lock(); |
a043897a | 549 | |
97990a06 JB |
550 | if (!cb->args[0]) { |
551 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
c90c39da JB |
552 | genl_family_attrbuf(&nl80211_fam), |
553 | nl80211_fam.maxattr, nl80211_policy); | |
97990a06 JB |
554 | if (err) |
555 | goto out_unlock; | |
67748893 | 556 | |
c90c39da JB |
557 | *wdev = __cfg80211_wdev_from_attrs( |
558 | sock_net(skb->sk), | |
559 | genl_family_attrbuf(&nl80211_fam)); | |
97990a06 JB |
560 | if (IS_ERR(*wdev)) { |
561 | err = PTR_ERR(*wdev); | |
562 | goto out_unlock; | |
563 | } | |
f26cbf40 | 564 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
565 | /* 0 is the first index - add 1 to parse only once */ |
566 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
567 | cb->args[1] = (*wdev)->identifier; |
568 | } else { | |
c319d50b JB |
569 | /* subtract the 1 again here */ |
570 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 571 | struct wireless_dev *tmp; |
67748893 | 572 | |
97990a06 JB |
573 | if (!wiphy) { |
574 | err = -ENODEV; | |
575 | goto out_unlock; | |
576 | } | |
f26cbf40 | 577 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 578 | *wdev = NULL; |
67748893 | 579 | |
53873f13 | 580 | list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) { |
97990a06 JB |
581 | if (tmp->identifier == cb->args[1]) { |
582 | *wdev = tmp; | |
583 | break; | |
584 | } | |
585 | } | |
67748893 | 586 | |
97990a06 JB |
587 | if (!*wdev) { |
588 | err = -ENODEV; | |
589 | goto out_unlock; | |
590 | } | |
67748893 JB |
591 | } |
592 | ||
67748893 | 593 | return 0; |
97990a06 | 594 | out_unlock: |
67748893 JB |
595 | rtnl_unlock(); |
596 | return err; | |
597 | } | |
598 | ||
97990a06 | 599 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 600 | { |
67748893 JB |
601 | rtnl_unlock(); |
602 | } | |
603 | ||
f4a11bb0 JB |
604 | /* IE validation */ |
605 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
606 | { | |
607 | const u8 *pos; | |
608 | int len; | |
609 | ||
610 | if (!attr) | |
611 | return true; | |
612 | ||
613 | pos = nla_data(attr); | |
614 | len = nla_len(attr); | |
615 | ||
616 | while (len) { | |
617 | u8 elemlen; | |
618 | ||
619 | if (len < 2) | |
620 | return false; | |
621 | len -= 2; | |
622 | ||
623 | elemlen = pos[1]; | |
624 | if (elemlen > len) | |
625 | return false; | |
626 | ||
627 | len -= elemlen; | |
628 | pos += 2 + elemlen; | |
629 | } | |
630 | ||
631 | return true; | |
632 | } | |
633 | ||
55682965 | 634 | /* message building helper */ |
15e47304 | 635 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
636 | int flags, u8 cmd) |
637 | { | |
638 | /* since there is no private header just add the generic one */ | |
15e47304 | 639 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
640 | } |
641 | ||
5dab3b8a | 642 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
643 | struct ieee80211_channel *chan, |
644 | bool large) | |
5dab3b8a | 645 | { |
ea077c1c RL |
646 | /* Some channels must be completely excluded from the |
647 | * list to protect old user-space tools from breaking | |
648 | */ | |
649 | if (!large && chan->flags & | |
650 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
651 | return 0; | |
652 | ||
9360ffd1 DM |
653 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
654 | chan->center_freq)) | |
655 | goto nla_put_failure; | |
5dab3b8a | 656 | |
9360ffd1 DM |
657 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
658 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
659 | goto nla_put_failure; | |
8fe02e16 LR |
660 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
661 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
662 | goto nla_put_failure; | |
663 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
664 | goto nla_put_failure; | |
665 | } | |
cdc89b97 JB |
666 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
667 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
668 | goto nla_put_failure; | |
669 | if (large) { | |
670 | u32 time; | |
671 | ||
672 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
673 | ||
674 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
675 | chan->dfs_state)) | |
676 | goto nla_put_failure; | |
677 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
678 | time)) | |
679 | goto nla_put_failure; | |
089027e5 JD |
680 | if (nla_put_u32(msg, |
681 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
682 | chan->dfs_cac_ms)) | |
683 | goto nla_put_failure; | |
cdc89b97 JB |
684 | } |
685 | } | |
5dab3b8a | 686 | |
fe1abafd JB |
687 | if (large) { |
688 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
689 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
690 | goto nla_put_failure; | |
691 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
692 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
693 | goto nla_put_failure; | |
694 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
695 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
696 | goto nla_put_failure; | |
697 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
698 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
699 | goto nla_put_failure; | |
570dbde1 DS |
700 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
701 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
702 | goto nla_put_failure; | |
06f207fc AN |
703 | if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) && |
704 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT)) | |
570dbde1 | 705 | goto nla_put_failure; |
ea077c1c RL |
706 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
707 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
708 | goto nla_put_failure; | |
709 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
710 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
711 | goto nla_put_failure; | |
fe1abafd JB |
712 | } |
713 | ||
9360ffd1 DM |
714 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
715 | DBM_TO_MBM(chan->max_power))) | |
716 | goto nla_put_failure; | |
5dab3b8a LR |
717 | |
718 | return 0; | |
719 | ||
720 | nla_put_failure: | |
721 | return -ENOBUFS; | |
722 | } | |
723 | ||
55682965 JB |
724 | /* netlink command implementations */ |
725 | ||
b9454e83 JB |
726 | struct key_parse { |
727 | struct key_params p; | |
728 | int idx; | |
e31b8213 | 729 | int type; |
b9454e83 | 730 | bool def, defmgmt; |
dbd2fd65 | 731 | bool def_uni, def_multi; |
b9454e83 JB |
732 | }; |
733 | ||
734 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
735 | { | |
736 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
737 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
738 | nl80211_key_policy); | |
739 | if (err) | |
740 | return err; | |
741 | ||
742 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
743 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
744 | ||
dbd2fd65 JB |
745 | if (k->def) { |
746 | k->def_uni = true; | |
747 | k->def_multi = true; | |
748 | } | |
749 | if (k->defmgmt) | |
750 | k->def_multi = true; | |
751 | ||
b9454e83 JB |
752 | if (tb[NL80211_KEY_IDX]) |
753 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
754 | ||
755 | if (tb[NL80211_KEY_DATA]) { | |
756 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
757 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
758 | } | |
759 | ||
760 | if (tb[NL80211_KEY_SEQ]) { | |
761 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
762 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
763 | } | |
764 | ||
765 | if (tb[NL80211_KEY_CIPHER]) | |
766 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
767 | ||
e31b8213 JB |
768 | if (tb[NL80211_KEY_TYPE]) { |
769 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
770 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
771 | return -EINVAL; | |
772 | } | |
773 | ||
dbd2fd65 JB |
774 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
775 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
7a087e74 | 776 | |
2da8f419 JB |
777 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
778 | tb[NL80211_KEY_DEFAULT_TYPES], | |
779 | nl80211_key_default_policy); | |
dbd2fd65 JB |
780 | if (err) |
781 | return err; | |
782 | ||
783 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
784 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
785 | } | |
786 | ||
b9454e83 JB |
787 | return 0; |
788 | } | |
789 | ||
790 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
791 | { | |
792 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
793 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
794 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
795 | } | |
796 | ||
797 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
798 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
799 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
800 | } | |
801 | ||
802 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
803 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
804 | ||
805 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
806 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
807 | ||
808 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
809 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
810 | ||
dbd2fd65 JB |
811 | if (k->def) { |
812 | k->def_uni = true; | |
813 | k->def_multi = true; | |
814 | } | |
815 | if (k->defmgmt) | |
816 | k->def_multi = true; | |
817 | ||
e31b8213 JB |
818 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
819 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
820 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
821 | return -EINVAL; | |
822 | } | |
823 | ||
dbd2fd65 JB |
824 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
825 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
826 | int err = nla_parse_nested( | |
827 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
828 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
829 | nl80211_key_default_policy); | |
830 | if (err) | |
831 | return err; | |
832 | ||
833 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
834 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
835 | } | |
836 | ||
b9454e83 JB |
837 | return 0; |
838 | } | |
839 | ||
840 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
841 | { | |
842 | int err; | |
843 | ||
844 | memset(k, 0, sizeof(*k)); | |
845 | k->idx = -1; | |
e31b8213 | 846 | k->type = -1; |
b9454e83 JB |
847 | |
848 | if (info->attrs[NL80211_ATTR_KEY]) | |
849 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
850 | else | |
851 | err = nl80211_parse_key_old(info, k); | |
852 | ||
853 | if (err) | |
854 | return err; | |
855 | ||
856 | if (k->def && k->defmgmt) | |
857 | return -EINVAL; | |
858 | ||
dbd2fd65 JB |
859 | if (k->defmgmt) { |
860 | if (k->def_uni || !k->def_multi) | |
861 | return -EINVAL; | |
862 | } | |
863 | ||
b9454e83 JB |
864 | if (k->idx != -1) { |
865 | if (k->defmgmt) { | |
866 | if (k->idx < 4 || k->idx > 5) | |
867 | return -EINVAL; | |
868 | } else if (k->def) { | |
869 | if (k->idx < 0 || k->idx > 3) | |
870 | return -EINVAL; | |
871 | } else { | |
872 | if (k->idx < 0 || k->idx > 5) | |
873 | return -EINVAL; | |
874 | } | |
875 | } | |
876 | ||
877 | return 0; | |
878 | } | |
879 | ||
fffd0934 JB |
880 | static struct cfg80211_cached_keys * |
881 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 882 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
883 | { |
884 | struct key_parse parse; | |
885 | struct nlattr *key; | |
886 | struct cfg80211_cached_keys *result; | |
887 | int rem, err, def = 0; | |
f1c1f17a JB |
888 | bool have_key = false; |
889 | ||
890 | nla_for_each_nested(key, keys, rem) { | |
891 | have_key = true; | |
892 | break; | |
893 | } | |
894 | ||
895 | if (!have_key) | |
896 | return NULL; | |
fffd0934 JB |
897 | |
898 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
899 | if (!result) | |
900 | return ERR_PTR(-ENOMEM); | |
901 | ||
902 | result->def = -1; | |
fffd0934 JB |
903 | |
904 | nla_for_each_nested(key, keys, rem) { | |
905 | memset(&parse, 0, sizeof(parse)); | |
906 | parse.idx = -1; | |
907 | ||
908 | err = nl80211_parse_key_new(key, &parse); | |
909 | if (err) | |
910 | goto error; | |
911 | err = -EINVAL; | |
912 | if (!parse.p.key) | |
913 | goto error; | |
42ee231c | 914 | if (parse.idx < 0 || parse.idx > 3) |
fffd0934 JB |
915 | goto error; |
916 | if (parse.def) { | |
917 | if (def) | |
918 | goto error; | |
919 | def = 1; | |
920 | result->def = parse.idx; | |
dbd2fd65 JB |
921 | if (!parse.def_uni || !parse.def_multi) |
922 | goto error; | |
fffd0934 JB |
923 | } else if (parse.defmgmt) |
924 | goto error; | |
925 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 926 | parse.idx, false, NULL); |
fffd0934 JB |
927 | if (err) |
928 | goto error; | |
386b1f27 JB |
929 | if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 && |
930 | parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) { | |
931 | err = -EINVAL; | |
932 | goto error; | |
933 | } | |
fffd0934 JB |
934 | result->params[parse.idx].cipher = parse.p.cipher; |
935 | result->params[parse.idx].key_len = parse.p.key_len; | |
936 | result->params[parse.idx].key = result->data[parse.idx]; | |
937 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee | 938 | |
386b1f27 JB |
939 | /* must be WEP key if we got here */ |
940 | if (no_ht) | |
941 | *no_ht = true; | |
fffd0934 JB |
942 | } |
943 | ||
f1c1f17a JB |
944 | if (result->def < 0) { |
945 | err = -EINVAL; | |
946 | goto error; | |
947 | } | |
948 | ||
fffd0934 JB |
949 | return result; |
950 | error: | |
951 | kfree(result); | |
952 | return ERR_PTR(err); | |
953 | } | |
954 | ||
955 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
956 | { | |
957 | ASSERT_WDEV_LOCK(wdev); | |
958 | ||
fffd0934 JB |
959 | switch (wdev->iftype) { |
960 | case NL80211_IFTYPE_AP: | |
961 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 962 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 963 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
964 | break; |
965 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 966 | case NL80211_IFTYPE_STATION: |
074ac8df | 967 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 968 | if (!wdev->current_bss) |
fffd0934 JB |
969 | return -ENOLINK; |
970 | break; | |
de4fcbad | 971 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 972 | case NL80211_IFTYPE_OCB: |
de4fcbad | 973 | case NL80211_IFTYPE_MONITOR: |
cb3b7d87 | 974 | case NL80211_IFTYPE_NAN: |
de4fcbad JB |
975 | case NL80211_IFTYPE_P2P_DEVICE: |
976 | case NL80211_IFTYPE_WDS: | |
977 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
978 | return -EINVAL; |
979 | } | |
980 | ||
981 | return 0; | |
982 | } | |
983 | ||
664834de JM |
984 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
985 | struct nlattr *tb) | |
986 | { | |
987 | struct ieee80211_channel *chan; | |
988 | ||
989 | if (tb == NULL) | |
990 | return NULL; | |
991 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
992 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
993 | return NULL; | |
994 | return chan; | |
995 | } | |
996 | ||
7527a782 JB |
997 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
998 | { | |
999 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
1000 | int i; | |
1001 | ||
1002 | if (!nl_modes) | |
1003 | goto nla_put_failure; | |
1004 | ||
1005 | i = 0; | |
1006 | while (ifmodes) { | |
9360ffd1 DM |
1007 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
1008 | goto nla_put_failure; | |
7527a782 JB |
1009 | ifmodes >>= 1; |
1010 | i++; | |
1011 | } | |
1012 | ||
1013 | nla_nest_end(msg, nl_modes); | |
1014 | return 0; | |
1015 | ||
1016 | nla_put_failure: | |
1017 | return -ENOBUFS; | |
1018 | } | |
1019 | ||
1020 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
1021 | struct sk_buff *msg, |
1022 | bool large) | |
7527a782 JB |
1023 | { |
1024 | struct nlattr *nl_combis; | |
1025 | int i, j; | |
1026 | ||
1027 | nl_combis = nla_nest_start(msg, | |
1028 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
1029 | if (!nl_combis) | |
1030 | goto nla_put_failure; | |
1031 | ||
1032 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
1033 | const struct ieee80211_iface_combination *c; | |
1034 | struct nlattr *nl_combi, *nl_limits; | |
1035 | ||
1036 | c = &wiphy->iface_combinations[i]; | |
1037 | ||
1038 | nl_combi = nla_nest_start(msg, i + 1); | |
1039 | if (!nl_combi) | |
1040 | goto nla_put_failure; | |
1041 | ||
1042 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
1043 | if (!nl_limits) | |
1044 | goto nla_put_failure; | |
1045 | ||
1046 | for (j = 0; j < c->n_limits; j++) { | |
1047 | struct nlattr *nl_limit; | |
1048 | ||
1049 | nl_limit = nla_nest_start(msg, j + 1); | |
1050 | if (!nl_limit) | |
1051 | goto nla_put_failure; | |
9360ffd1 DM |
1052 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
1053 | c->limits[j].max)) | |
1054 | goto nla_put_failure; | |
7527a782 JB |
1055 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
1056 | c->limits[j].types)) | |
1057 | goto nla_put_failure; | |
1058 | nla_nest_end(msg, nl_limit); | |
1059 | } | |
1060 | ||
1061 | nla_nest_end(msg, nl_limits); | |
1062 | ||
9360ffd1 DM |
1063 | if (c->beacon_int_infra_match && |
1064 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
1065 | goto nla_put_failure; | |
1066 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
1067 | c->num_different_channels) || | |
1068 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
1069 | c->max_interfaces)) | |
1070 | goto nla_put_failure; | |
cdc89b97 | 1071 | if (large && |
8c48b50a FF |
1072 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
1073 | c->radar_detect_widths) || | |
1074 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
1075 | c->radar_detect_regions))) | |
cdc89b97 | 1076 | goto nla_put_failure; |
0c317a02 PK |
1077 | if (c->beacon_int_min_gcd && |
1078 | nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD, | |
1079 | c->beacon_int_min_gcd)) | |
1080 | goto nla_put_failure; | |
7527a782 JB |
1081 | |
1082 | nla_nest_end(msg, nl_combi); | |
1083 | } | |
1084 | ||
1085 | nla_nest_end(msg, nl_combis); | |
1086 | ||
1087 | return 0; | |
1088 | nla_put_failure: | |
1089 | return -ENOBUFS; | |
1090 | } | |
1091 | ||
3713b4e3 | 1092 | #ifdef CONFIG_PM |
b56cf720 JB |
1093 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1094 | struct sk_buff *msg) | |
1095 | { | |
964dc9e2 | 1096 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1097 | struct nlattr *nl_tcp; |
1098 | ||
1099 | if (!tcp) | |
1100 | return 0; | |
1101 | ||
1102 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1103 | if (!nl_tcp) | |
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 (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1111 | tcp->data_payload_max)) | |
1112 | return -ENOBUFS; | |
1113 | ||
1114 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1115 | return -ENOBUFS; | |
1116 | ||
1117 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1118 | sizeof(*tcp->tok), tcp->tok)) | |
1119 | return -ENOBUFS; | |
1120 | ||
1121 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1122 | tcp->data_interval_max)) | |
1123 | return -ENOBUFS; | |
1124 | ||
1125 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1126 | tcp->wake_payload_max)) | |
1127 | return -ENOBUFS; | |
1128 | ||
1129 | nla_nest_end(msg, nl_tcp); | |
1130 | return 0; | |
1131 | } | |
1132 | ||
3713b4e3 | 1133 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1134 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1135 | bool large) |
55682965 | 1136 | { |
3713b4e3 | 1137 | struct nlattr *nl_wowlan; |
55682965 | 1138 | |
1b8ec87a | 1139 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1140 | return 0; |
55682965 | 1141 | |
3713b4e3 JB |
1142 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1143 | if (!nl_wowlan) | |
1144 | return -ENOBUFS; | |
9360ffd1 | 1145 | |
1b8ec87a | 1146 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1147 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1148 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1149 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1150 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1151 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1152 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1153 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1154 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1155 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1156 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1157 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1158 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1159 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1160 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1161 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1162 | return -ENOBUFS; | |
9360ffd1 | 1163 | |
1b8ec87a | 1164 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1165 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1166 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1167 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1168 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1169 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1170 | }; |
9360ffd1 | 1171 | |
3713b4e3 JB |
1172 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1173 | sizeof(pat), &pat)) | |
1174 | return -ENOBUFS; | |
1175 | } | |
9360ffd1 | 1176 | |
75453ccb LC |
1177 | if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) && |
1178 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT, | |
1179 | rdev->wiphy.wowlan->max_nd_match_sets)) | |
1180 | return -ENOBUFS; | |
1181 | ||
1b8ec87a | 1182 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1183 | return -ENOBUFS; |
1184 | ||
3713b4e3 | 1185 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1186 | |
3713b4e3 JB |
1187 | return 0; |
1188 | } | |
1189 | #endif | |
9360ffd1 | 1190 | |
be29b99a | 1191 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1192 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1193 | { |
1194 | struct nl80211_coalesce_rule_support rule; | |
1195 | ||
1b8ec87a | 1196 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1197 | return 0; |
1198 | ||
1b8ec87a ZG |
1199 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1200 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1201 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1202 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1203 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1204 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1205 | |
1206 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1207 | return -ENOBUFS; | |
1208 | ||
1209 | return 0; | |
1210 | } | |
1211 | ||
3713b4e3 JB |
1212 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1213 | struct ieee80211_supported_band *sband) | |
1214 | { | |
1215 | struct nlattr *nl_rates, *nl_rate; | |
1216 | struct ieee80211_rate *rate; | |
1217 | int i; | |
87bbbe22 | 1218 | |
3713b4e3 JB |
1219 | /* add HT info */ |
1220 | if (sband->ht_cap.ht_supported && | |
1221 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1222 | sizeof(sband->ht_cap.mcs), | |
1223 | &sband->ht_cap.mcs) || | |
1224 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1225 | sband->ht_cap.cap) || | |
1226 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1227 | sband->ht_cap.ampdu_factor) || | |
1228 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1229 | sband->ht_cap.ampdu_density))) | |
1230 | return -ENOBUFS; | |
afe0cbf8 | 1231 | |
3713b4e3 JB |
1232 | /* add VHT info */ |
1233 | if (sband->vht_cap.vht_supported && | |
1234 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1235 | sizeof(sband->vht_cap.vht_mcs), | |
1236 | &sband->vht_cap.vht_mcs) || | |
1237 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1238 | sband->vht_cap.cap))) | |
1239 | return -ENOBUFS; | |
f59ac048 | 1240 | |
3713b4e3 JB |
1241 | /* add bitrates */ |
1242 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1243 | if (!nl_rates) | |
1244 | return -ENOBUFS; | |
ee688b00 | 1245 | |
3713b4e3 JB |
1246 | for (i = 0; i < sband->n_bitrates; i++) { |
1247 | nl_rate = nla_nest_start(msg, i); | |
1248 | if (!nl_rate) | |
1249 | return -ENOBUFS; | |
ee688b00 | 1250 | |
3713b4e3 JB |
1251 | rate = &sband->bitrates[i]; |
1252 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1253 | rate->bitrate)) | |
1254 | return -ENOBUFS; | |
1255 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1256 | nla_put_flag(msg, | |
1257 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1258 | return -ENOBUFS; | |
ee688b00 | 1259 | |
3713b4e3 JB |
1260 | nla_nest_end(msg, nl_rate); |
1261 | } | |
d51626df | 1262 | |
3713b4e3 | 1263 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1264 | |
3713b4e3 JB |
1265 | return 0; |
1266 | } | |
ee688b00 | 1267 | |
3713b4e3 JB |
1268 | static int |
1269 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1270 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1271 | { | |
1272 | u16 stypes; | |
1273 | struct nlattr *nl_ftypes, *nl_ifs; | |
1274 | enum nl80211_iftype ift; | |
1275 | int i; | |
ee688b00 | 1276 | |
3713b4e3 JB |
1277 | if (!mgmt_stypes) |
1278 | return 0; | |
5dab3b8a | 1279 | |
3713b4e3 JB |
1280 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1281 | if (!nl_ifs) | |
1282 | return -ENOBUFS; | |
e2f367f2 | 1283 | |
3713b4e3 JB |
1284 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1285 | nl_ftypes = nla_nest_start(msg, ift); | |
1286 | if (!nl_ftypes) | |
1287 | return -ENOBUFS; | |
1288 | i = 0; | |
1289 | stypes = mgmt_stypes[ift].tx; | |
1290 | while (stypes) { | |
1291 | if ((stypes & 1) && | |
1292 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1293 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1294 | return -ENOBUFS; | |
1295 | stypes >>= 1; | |
1296 | i++; | |
ee688b00 | 1297 | } |
3713b4e3 JB |
1298 | nla_nest_end(msg, nl_ftypes); |
1299 | } | |
ee688b00 | 1300 | |
3713b4e3 | 1301 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1302 | |
3713b4e3 JB |
1303 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1304 | if (!nl_ifs) | |
1305 | return -ENOBUFS; | |
ee688b00 | 1306 | |
3713b4e3 JB |
1307 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1308 | nl_ftypes = nla_nest_start(msg, ift); | |
1309 | if (!nl_ftypes) | |
1310 | return -ENOBUFS; | |
1311 | i = 0; | |
1312 | stypes = mgmt_stypes[ift].rx; | |
1313 | while (stypes) { | |
1314 | if ((stypes & 1) && | |
1315 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1316 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1317 | return -ENOBUFS; | |
1318 | stypes >>= 1; | |
1319 | i++; | |
1320 | } | |
1321 | nla_nest_end(msg, nl_ftypes); | |
1322 | } | |
1323 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1324 | |
3713b4e3 JB |
1325 | return 0; |
1326 | } | |
ee688b00 | 1327 | |
1794899e JB |
1328 | #define CMD(op, n) \ |
1329 | do { \ | |
1330 | if (rdev->ops->op) { \ | |
1331 | i++; \ | |
1332 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1333 | goto nla_put_failure; \ | |
1334 | } \ | |
1335 | } while (0) | |
1336 | ||
1337 | static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev, | |
1338 | struct sk_buff *msg) | |
1339 | { | |
1340 | int i = 0; | |
1341 | ||
1342 | /* | |
1343 | * do *NOT* add anything into this function, new things need to be | |
1344 | * advertised only to new versions of userspace that can deal with | |
1345 | * the split (and they can't possibly care about new features... | |
1346 | */ | |
1347 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1348 | CMD(change_virtual_intf, SET_INTERFACE); | |
1349 | CMD(add_key, NEW_KEY); | |
1350 | CMD(start_ap, START_AP); | |
1351 | CMD(add_station, NEW_STATION); | |
1352 | CMD(add_mpath, NEW_MPATH); | |
1353 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1354 | CMD(change_bss, SET_BSS); | |
1355 | CMD(auth, AUTHENTICATE); | |
1356 | CMD(assoc, ASSOCIATE); | |
1357 | CMD(deauth, DEAUTHENTICATE); | |
1358 | CMD(disassoc, DISASSOCIATE); | |
1359 | CMD(join_ibss, JOIN_IBSS); | |
1360 | CMD(join_mesh, JOIN_MESH); | |
1361 | CMD(set_pmksa, SET_PMKSA); | |
1362 | CMD(del_pmksa, DEL_PMKSA); | |
1363 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1364 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1365 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1366 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1367 | CMD(mgmt_tx, FRAME); | |
1368 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1369 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1370 | i++; | |
1371 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
1372 | goto nla_put_failure; | |
1373 | } | |
1374 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || | |
1375 | rdev->ops->join_mesh) { | |
1376 | i++; | |
1377 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1378 | goto nla_put_failure; | |
1379 | } | |
1380 | CMD(set_wds_peer, SET_WDS_PEER); | |
1381 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1382 | CMD(tdls_mgmt, TDLS_MGMT); | |
1383 | CMD(tdls_oper, TDLS_OPER); | |
1384 | } | |
1385 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
1386 | CMD(sched_scan_start, START_SCHED_SCAN); | |
1387 | CMD(probe_client, PROBE_CLIENT); | |
1388 | CMD(set_noack_map, SET_NOACK_MAP); | |
1389 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1390 | i++; | |
1391 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1392 | goto nla_put_failure; | |
1393 | } | |
1394 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1395 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
1396 | #ifdef CONFIG_NL80211_TESTMODE | |
1397 | CMD(testmode_cmd, TESTMODE); | |
1398 | #endif | |
1399 | ||
1400 | if (rdev->ops->connect || rdev->ops->auth) { | |
1401 | i++; | |
1402 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
1403 | goto nla_put_failure; | |
1404 | } | |
1405 | ||
1406 | if (rdev->ops->disconnect || rdev->ops->deauth) { | |
1407 | i++; | |
1408 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1409 | goto nla_put_failure; | |
1410 | } | |
1411 | ||
1412 | return i; | |
1413 | nla_put_failure: | |
1414 | return -ENOBUFS; | |
1415 | } | |
1416 | ||
86e8cf98 JB |
1417 | struct nl80211_dump_wiphy_state { |
1418 | s64 filter_wiphy; | |
1419 | long start; | |
019ae3a9 | 1420 | long split_start, band_start, chan_start, capa_start; |
86e8cf98 JB |
1421 | bool split; |
1422 | }; | |
1423 | ||
1b8ec87a | 1424 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1425 | enum nl80211_commands cmd, |
3713b4e3 | 1426 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1427 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1428 | { |
1429 | void *hdr; | |
1430 | struct nlattr *nl_bands, *nl_band; | |
1431 | struct nlattr *nl_freqs, *nl_freq; | |
1432 | struct nlattr *nl_cmds; | |
57fbcce3 | 1433 | enum nl80211_band band; |
3713b4e3 JB |
1434 | struct ieee80211_channel *chan; |
1435 | int i; | |
1436 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1437 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1438 | u32 features; |
ee688b00 | 1439 | |
3bb20556 | 1440 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1441 | if (!hdr) |
1442 | return -ENOBUFS; | |
ee688b00 | 1443 | |
86e8cf98 JB |
1444 | if (WARN_ON(!state)) |
1445 | return -EINVAL; | |
ee688b00 | 1446 | |
1b8ec87a | 1447 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1448 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1449 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1450 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1451 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1452 | goto nla_put_failure; |
1453 | ||
3bb20556 JB |
1454 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1455 | goto finish; | |
1456 | ||
86e8cf98 | 1457 | switch (state->split_start) { |
3713b4e3 JB |
1458 | case 0: |
1459 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1460 | rdev->wiphy.retry_short) || |
3713b4e3 | 1461 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1462 | rdev->wiphy.retry_long) || |
3713b4e3 | 1463 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1464 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1465 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1466 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1467 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1468 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1469 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1470 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1471 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1472 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1473 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1474 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1475 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1476 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1477 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
3b06d277 AS |
1478 | rdev->wiphy.max_match_sets) || |
1479 | nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS, | |
1480 | rdev->wiphy.max_sched_scan_plans) || | |
1481 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL, | |
1482 | rdev->wiphy.max_sched_scan_plan_interval) || | |
1483 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS, | |
1484 | rdev->wiphy.max_sched_scan_plan_iterations)) | |
9360ffd1 | 1485 | goto nla_put_failure; |
3713b4e3 | 1486 | |
1b8ec87a | 1487 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1488 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1489 | goto nla_put_failure; |
1b8ec87a | 1490 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1491 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1492 | goto nla_put_failure; | |
1b8ec87a | 1493 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1494 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1495 | goto nla_put_failure; | |
1b8ec87a | 1496 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1497 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1498 | goto nla_put_failure; | |
1b8ec87a | 1499 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1500 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1501 | goto nla_put_failure; | |
1b8ec87a | 1502 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1503 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1504 | goto nla_put_failure; |
86e8cf98 JB |
1505 | state->split_start++; |
1506 | if (state->split) | |
3713b4e3 JB |
1507 | break; |
1508 | case 1: | |
1509 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1510 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1511 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1512 | goto nla_put_failure; |
4745fc09 | 1513 | |
3713b4e3 | 1514 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1515 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1516 | goto nla_put_failure; |
b23aa676 | 1517 | |
1b8ec87a | 1518 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1519 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1520 | goto nla_put_failure; |
b23aa676 | 1521 | |
3713b4e3 | 1522 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1523 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1524 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1525 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1526 | goto nla_put_failure; |
b23aa676 | 1527 | |
1b8ec87a | 1528 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1529 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1530 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1531 | goto nla_put_failure; |
8fdc621d | 1532 | |
1b8ec87a ZG |
1533 | if ((rdev->wiphy.available_antennas_tx || |
1534 | rdev->wiphy.available_antennas_rx) && | |
1535 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1536 | u32 tx_ant = 0, rx_ant = 0; |
1537 | int res; | |
7a087e74 | 1538 | |
1b8ec87a | 1539 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1540 | if (!res) { |
1541 | if (nla_put_u32(msg, | |
1542 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1543 | tx_ant) || | |
1544 | nla_put_u32(msg, | |
1545 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1546 | rx_ant)) | |
1547 | goto nla_put_failure; | |
1548 | } | |
1549 | } | |
a293911d | 1550 | |
86e8cf98 JB |
1551 | state->split_start++; |
1552 | if (state->split) | |
3713b4e3 JB |
1553 | break; |
1554 | case 2: | |
1555 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1556 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1557 | goto nla_put_failure; |
86e8cf98 JB |
1558 | state->split_start++; |
1559 | if (state->split) | |
3713b4e3 JB |
1560 | break; |
1561 | case 3: | |
1562 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1563 | if (!nl_bands) | |
1564 | goto nla_put_failure; | |
f7ca38df | 1565 | |
86e8cf98 | 1566 | for (band = state->band_start; |
57fbcce3 | 1567 | band < NUM_NL80211_BANDS; band++) { |
3713b4e3 | 1568 | struct ieee80211_supported_band *sband; |
2e161f78 | 1569 | |
1b8ec87a | 1570 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1571 | |
3713b4e3 JB |
1572 | if (!sband) |
1573 | continue; | |
1574 | ||
1575 | nl_band = nla_nest_start(msg, band); | |
1576 | if (!nl_band) | |
2e161f78 | 1577 | goto nla_put_failure; |
3713b4e3 | 1578 | |
86e8cf98 | 1579 | switch (state->chan_start) { |
3713b4e3 JB |
1580 | case 0: |
1581 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1582 | goto nla_put_failure; |
86e8cf98 JB |
1583 | state->chan_start++; |
1584 | if (state->split) | |
3713b4e3 JB |
1585 | break; |
1586 | default: | |
1587 | /* add frequencies */ | |
1588 | nl_freqs = nla_nest_start( | |
1589 | msg, NL80211_BAND_ATTR_FREQS); | |
1590 | if (!nl_freqs) | |
1591 | goto nla_put_failure; | |
1592 | ||
86e8cf98 | 1593 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1594 | i < sband->n_channels; |
1595 | i++) { | |
1596 | nl_freq = nla_nest_start(msg, i); | |
1597 | if (!nl_freq) | |
1598 | goto nla_put_failure; | |
1599 | ||
1600 | chan = &sband->channels[i]; | |
1601 | ||
86e8cf98 JB |
1602 | if (nl80211_msg_put_channel( |
1603 | msg, chan, | |
1604 | state->split)) | |
3713b4e3 JB |
1605 | goto nla_put_failure; |
1606 | ||
1607 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1608 | if (state->split) |
3713b4e3 JB |
1609 | break; |
1610 | } | |
1611 | if (i < sband->n_channels) | |
86e8cf98 | 1612 | state->chan_start = i + 2; |
3713b4e3 | 1613 | else |
86e8cf98 | 1614 | state->chan_start = 0; |
3713b4e3 JB |
1615 | nla_nest_end(msg, nl_freqs); |
1616 | } | |
1617 | ||
1618 | nla_nest_end(msg, nl_band); | |
1619 | ||
86e8cf98 | 1620 | if (state->split) { |
3713b4e3 | 1621 | /* start again here */ |
86e8cf98 | 1622 | if (state->chan_start) |
3713b4e3 JB |
1623 | band--; |
1624 | break; | |
2e161f78 | 1625 | } |
2e161f78 | 1626 | } |
3713b4e3 | 1627 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1628 | |
57fbcce3 | 1629 | if (band < NUM_NL80211_BANDS) |
86e8cf98 | 1630 | state->band_start = band + 1; |
3713b4e3 | 1631 | else |
86e8cf98 | 1632 | state->band_start = 0; |
74b70a4e | 1633 | |
3713b4e3 | 1634 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1635 | if (state->band_start == 0 && state->chan_start == 0) |
1636 | state->split_start++; | |
1637 | if (state->split) | |
3713b4e3 JB |
1638 | break; |
1639 | case 4: | |
1640 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1641 | if (!nl_cmds) | |
2e161f78 JB |
1642 | goto nla_put_failure; |
1643 | ||
1794899e JB |
1644 | i = nl80211_add_commands_unsplit(rdev, msg); |
1645 | if (i < 0) | |
1646 | goto nla_put_failure; | |
86e8cf98 | 1647 | if (state->split) { |
5de17984 AS |
1648 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1649 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1650 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1651 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1652 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
1653 | if (rdev->wiphy.features & |
1654 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 1655 | CMD(add_tx_ts, ADD_TX_TS); |
ce0ce13a | 1656 | CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST); |
088e8df8 | 1657 | CMD(update_connect_params, UPDATE_CONNECT_PARAMS); |
5de17984 | 1658 | } |
3713b4e3 | 1659 | #undef CMD |
ff1b6e69 | 1660 | |
3713b4e3 | 1661 | nla_nest_end(msg, nl_cmds); |
86e8cf98 JB |
1662 | state->split_start++; |
1663 | if (state->split) | |
3713b4e3 JB |
1664 | break; |
1665 | case 5: | |
1b8ec87a ZG |
1666 | if (rdev->ops->remain_on_channel && |
1667 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1668 | nla_put_u32(msg, |
1669 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1670 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1671 | goto nla_put_failure; |
1672 | ||
1b8ec87a | 1673 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1674 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1675 | goto nla_put_failure; | |
1676 | ||
1677 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1678 | goto nla_put_failure; | |
86e8cf98 JB |
1679 | state->split_start++; |
1680 | if (state->split) | |
3713b4e3 JB |
1681 | break; |
1682 | case 6: | |
1683 | #ifdef CONFIG_PM | |
1b8ec87a | 1684 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1685 | goto nla_put_failure; |
86e8cf98 JB |
1686 | state->split_start++; |
1687 | if (state->split) | |
3713b4e3 JB |
1688 | break; |
1689 | #else | |
86e8cf98 | 1690 | state->split_start++; |
dfb89c56 | 1691 | #endif |
3713b4e3 JB |
1692 | case 7: |
1693 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1694 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1695 | goto nla_put_failure; |
ff1b6e69 | 1696 | |
1b8ec87a | 1697 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1698 | state->split)) |
3713b4e3 | 1699 | goto nla_put_failure; |
7527a782 | 1700 | |
86e8cf98 JB |
1701 | state->split_start++; |
1702 | if (state->split) | |
3713b4e3 JB |
1703 | break; |
1704 | case 8: | |
1b8ec87a | 1705 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1706 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1707 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1708 | goto nla_put_failure; |
7527a782 | 1709 | |
1b8ec87a | 1710 | features = rdev->wiphy.features; |
fe1abafd JB |
1711 | /* |
1712 | * We can only add the per-channel limit information if the | |
1713 | * dump is split, otherwise it makes it too big. Therefore | |
1714 | * only advertise it in that case. | |
1715 | */ | |
86e8cf98 | 1716 | if (state->split) |
fe1abafd JB |
1717 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1718 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1719 | goto nla_put_failure; |
562a7480 | 1720 | |
1b8ec87a | 1721 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1722 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1723 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1724 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1725 | goto nla_put_failure; |
1f074bd8 | 1726 | |
1b8ec87a ZG |
1727 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1728 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1729 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1730 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1731 | goto nla_put_failure; |
7e7c8926 | 1732 | |
3713b4e3 JB |
1733 | /* |
1734 | * Any information below this point is only available to | |
1735 | * applications that can deal with it being split. This | |
1736 | * helps ensure that newly added capabilities don't break | |
1737 | * older tools by overrunning their buffers. | |
1738 | * | |
1739 | * We still increment split_start so that in the split | |
1740 | * case we'll continue with more data in the next round, | |
1741 | * but break unconditionally so unsplit data stops here. | |
1742 | */ | |
86e8cf98 | 1743 | state->split_start++; |
3713b4e3 JB |
1744 | break; |
1745 | case 9: | |
1b8ec87a | 1746 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1747 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1748 | rdev->wiphy.extended_capabilities_len, |
1749 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1750 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1751 | rdev->wiphy.extended_capabilities_len, |
1752 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1753 | goto nla_put_failure; |
a50df0c4 | 1754 | |
1b8ec87a | 1755 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1756 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1757 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1758 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1759 | goto nla_put_failure; |
1760 | ||
be29b99a AK |
1761 | state->split_start++; |
1762 | break; | |
1763 | case 10: | |
1b8ec87a | 1764 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1765 | goto nla_put_failure; |
1766 | ||
1b8ec87a | 1767 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1768 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1769 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1770 | goto nla_put_failure; | |
b43504cf | 1771 | |
1b8ec87a | 1772 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1773 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1774 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1775 | goto nla_put_failure; |
1776 | ||
ad7e718c JB |
1777 | state->split_start++; |
1778 | break; | |
1779 | case 11: | |
1b8ec87a | 1780 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1781 | const struct nl80211_vendor_cmd_info *info; |
1782 | struct nlattr *nested; | |
1783 | ||
1784 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1785 | if (!nested) | |
1786 | goto nla_put_failure; | |
1787 | ||
1b8ec87a ZG |
1788 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1789 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1790 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1791 | goto nla_put_failure; | |
1792 | } | |
1793 | nla_nest_end(msg, nested); | |
1794 | } | |
1795 | ||
1b8ec87a | 1796 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1797 | const struct nl80211_vendor_cmd_info *info; |
1798 | struct nlattr *nested; | |
ad7e718c | 1799 | |
567ffc35 JB |
1800 | nested = nla_nest_start(msg, |
1801 | NL80211_ATTR_VENDOR_EVENTS); | |
1802 | if (!nested) | |
ad7e718c | 1803 | goto nla_put_failure; |
567ffc35 | 1804 | |
1b8ec87a ZG |
1805 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1806 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1807 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1808 | goto nla_put_failure; | |
1809 | } | |
1810 | nla_nest_end(msg, nested); | |
1811 | } | |
9a774c78 AO |
1812 | state->split_start++; |
1813 | break; | |
1814 | case 12: | |
1815 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1816 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1817 | rdev->wiphy.max_num_csa_counters)) | |
1818 | goto nla_put_failure; | |
01e0daa4 | 1819 | |
1bdd716c AN |
1820 | if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
1821 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
1822 | goto nla_put_failure; | |
1823 | ||
d75bb06b GKS |
1824 | if (nla_put(msg, NL80211_ATTR_EXT_FEATURES, |
1825 | sizeof(rdev->wiphy.ext_features), | |
1826 | rdev->wiphy.ext_features)) | |
1827 | goto nla_put_failure; | |
1828 | ||
38de03d2 AS |
1829 | if (rdev->wiphy.bss_select_support) { |
1830 | struct nlattr *nested; | |
1831 | u32 bss_select_support = rdev->wiphy.bss_select_support; | |
1832 | ||
1833 | nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT); | |
1834 | if (!nested) | |
1835 | goto nla_put_failure; | |
1836 | ||
1837 | i = 0; | |
1838 | while (bss_select_support) { | |
1839 | if ((bss_select_support & 1) && | |
1840 | nla_put_flag(msg, i)) | |
1841 | goto nla_put_failure; | |
1842 | i++; | |
1843 | bss_select_support >>= 1; | |
1844 | } | |
1845 | nla_nest_end(msg, nested); | |
1846 | } | |
1847 | ||
019ae3a9 KV |
1848 | state->split_start++; |
1849 | break; | |
1850 | case 13: | |
1851 | if (rdev->wiphy.num_iftype_ext_capab && | |
1852 | rdev->wiphy.iftype_ext_capab) { | |
1853 | struct nlattr *nested_ext_capab, *nested; | |
1854 | ||
1855 | nested = nla_nest_start(msg, | |
1856 | NL80211_ATTR_IFTYPE_EXT_CAPA); | |
1857 | if (!nested) | |
1858 | goto nla_put_failure; | |
1859 | ||
1860 | for (i = state->capa_start; | |
1861 | i < rdev->wiphy.num_iftype_ext_capab; i++) { | |
1862 | const struct wiphy_iftype_ext_capab *capab; | |
1863 | ||
1864 | capab = &rdev->wiphy.iftype_ext_capab[i]; | |
1865 | ||
1866 | nested_ext_capab = nla_nest_start(msg, i); | |
1867 | if (!nested_ext_capab || | |
1868 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, | |
1869 | capab->iftype) || | |
1870 | nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1871 | capab->extended_capabilities_len, | |
1872 | capab->extended_capabilities) || | |
1873 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1874 | capab->extended_capabilities_len, | |
1875 | capab->extended_capabilities_mask)) | |
1876 | goto nla_put_failure; | |
1877 | ||
1878 | nla_nest_end(msg, nested_ext_capab); | |
1879 | if (state->split) | |
1880 | break; | |
1881 | } | |
1882 | nla_nest_end(msg, nested); | |
1883 | if (i < rdev->wiphy.num_iftype_ext_capab) { | |
1884 | state->capa_start = i + 1; | |
1885 | break; | |
1886 | } | |
1887 | } | |
1888 | ||
8585989d LC |
1889 | if (nla_put_u32(msg, NL80211_ATTR_BANDS, |
1890 | rdev->wiphy.nan_supported_bands)) | |
1891 | goto nla_put_failure; | |
1892 | ||
3713b4e3 | 1893 | /* done */ |
86e8cf98 | 1894 | state->split_start = 0; |
3713b4e3 JB |
1895 | break; |
1896 | } | |
3bb20556 | 1897 | finish: |
053c095a JB |
1898 | genlmsg_end(msg, hdr); |
1899 | return 0; | |
55682965 JB |
1900 | |
1901 | nla_put_failure: | |
bc3ed28c TG |
1902 | genlmsg_cancel(msg, hdr); |
1903 | return -EMSGSIZE; | |
55682965 JB |
1904 | } |
1905 | ||
86e8cf98 JB |
1906 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1907 | struct netlink_callback *cb, | |
1908 | struct nl80211_dump_wiphy_state *state) | |
1909 | { | |
c90c39da | 1910 | struct nlattr **tb = genl_family_attrbuf(&nl80211_fam); |
86e8cf98 JB |
1911 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
1912 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1913 | /* ignore parse errors for backward compatibility */ | |
1914 | if (ret) | |
1915 | return 0; | |
1916 | ||
1917 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1918 | if (tb[NL80211_ATTR_WIPHY]) | |
1919 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1920 | if (tb[NL80211_ATTR_WDEV]) | |
1921 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1922 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1923 | struct net_device *netdev; | |
1924 | struct cfg80211_registered_device *rdev; | |
1925 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1926 | ||
7f2b8562 | 1927 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1928 | if (!netdev) |
1929 | return -ENODEV; | |
1930 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1931 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1932 | netdev->ieee80211_ptr->wiphy); |
1933 | state->filter_wiphy = rdev->wiphy_idx; | |
1934 | } | |
86e8cf98 JB |
1935 | } |
1936 | ||
1937 | return 0; | |
1938 | } | |
1939 | ||
55682965 JB |
1940 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1941 | { | |
645e77de | 1942 | int idx = 0, ret; |
86e8cf98 | 1943 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1944 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1945 | |
5fe231e8 | 1946 | rtnl_lock(); |
86e8cf98 JB |
1947 | if (!state) { |
1948 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1949 | if (!state) { |
1950 | rtnl_unlock(); | |
86e8cf98 | 1951 | return -ENOMEM; |
3713b4e3 | 1952 | } |
86e8cf98 JB |
1953 | state->filter_wiphy = -1; |
1954 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1955 | if (ret) { | |
1956 | kfree(state); | |
1957 | rtnl_unlock(); | |
1958 | return ret; | |
3713b4e3 | 1959 | } |
86e8cf98 | 1960 | cb->args[0] = (long)state; |
3713b4e3 JB |
1961 | } |
1962 | ||
1b8ec87a ZG |
1963 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1964 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1965 | continue; |
86e8cf98 | 1966 | if (++idx <= state->start) |
55682965 | 1967 | continue; |
86e8cf98 | 1968 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1969 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1970 | continue; |
1971 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1972 | do { | |
3bb20556 JB |
1973 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1974 | skb, | |
3713b4e3 JB |
1975 | NETLINK_CB(cb->skb).portid, |
1976 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1977 | NLM_F_MULTI, state); |
3713b4e3 JB |
1978 | if (ret < 0) { |
1979 | /* | |
1980 | * If sending the wiphy data didn't fit (ENOBUFS | |
1981 | * or EMSGSIZE returned), this SKB is still | |
1982 | * empty (so it's not too big because another | |
1983 | * wiphy dataset is already in the skb) and | |
1984 | * we've not tried to adjust the dump allocation | |
1985 | * yet ... then adjust the alloc size to be | |
1986 | * bigger, and return 1 but with the empty skb. | |
1987 | * This results in an empty message being RX'ed | |
1988 | * in userspace, but that is ignored. | |
1989 | * | |
1990 | * We can then retry with the larger buffer. | |
1991 | */ | |
1992 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1993 | !skb->len && !state->split && |
3713b4e3 JB |
1994 | cb->min_dump_alloc < 4096) { |
1995 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1996 | state->split_start = 0; |
d98cae64 | 1997 | rtnl_unlock(); |
3713b4e3 JB |
1998 | return 1; |
1999 | } | |
2000 | idx--; | |
2001 | break; | |
645e77de | 2002 | } |
86e8cf98 | 2003 | } while (state->split_start > 0); |
3713b4e3 | 2004 | break; |
55682965 | 2005 | } |
5fe231e8 | 2006 | rtnl_unlock(); |
55682965 | 2007 | |
86e8cf98 | 2008 | state->start = idx; |
55682965 JB |
2009 | |
2010 | return skb->len; | |
2011 | } | |
2012 | ||
86e8cf98 JB |
2013 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
2014 | { | |
2015 | kfree((void *)cb->args[0]); | |
2016 | return 0; | |
2017 | } | |
2018 | ||
55682965 JB |
2019 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
2020 | { | |
2021 | struct sk_buff *msg; | |
1b8ec87a | 2022 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 2023 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 2024 | |
645e77de | 2025 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 2026 | if (!msg) |
4c476991 | 2027 | return -ENOMEM; |
55682965 | 2028 | |
3bb20556 JB |
2029 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
2030 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 2031 | &state) < 0) { |
4c476991 JB |
2032 | nlmsg_free(msg); |
2033 | return -ENOBUFS; | |
2034 | } | |
55682965 | 2035 | |
134e6375 | 2036 | return genlmsg_reply(msg, info); |
55682965 JB |
2037 | } |
2038 | ||
31888487 JM |
2039 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
2040 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
2041 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
2042 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
2043 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
2044 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
2045 | }; | |
2046 | ||
2047 | static int parse_txq_params(struct nlattr *tb[], | |
2048 | struct ieee80211_txq_params *txq_params) | |
2049 | { | |
a3304b0a | 2050 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
2051 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
2052 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
2053 | return -EINVAL; | |
2054 | ||
a3304b0a | 2055 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
2056 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
2057 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
2058 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
2059 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
2060 | ||
a3304b0a JB |
2061 | if (txq_params->ac >= NL80211_NUM_ACS) |
2062 | return -EINVAL; | |
2063 | ||
31888487 JM |
2064 | return 0; |
2065 | } | |
2066 | ||
f444de05 JB |
2067 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
2068 | { | |
2069 | /* | |
cc1d2806 JB |
2070 | * You can only set the channel explicitly for WDS interfaces, |
2071 | * all others have their channel managed via their respective | |
2072 | * "establish a connection" command (connect, join, ...) | |
2073 | * | |
2074 | * For AP/GO and mesh mode, the channel can be set with the | |
2075 | * channel userspace API, but is only stored and passed to the | |
2076 | * low-level driver when the AP starts or the mesh is joined. | |
2077 | * This is for backward compatibility, userspace can also give | |
2078 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
2079 | * |
2080 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
2081 | * whatever else is going on, so they have their own special |
2082 | * operation to set the monitor channel if possible. | |
f444de05 JB |
2083 | */ |
2084 | return !wdev || | |
2085 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 2086 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
2087 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
2088 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
2089 | } |
2090 | ||
683b6d3b JB |
2091 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
2092 | struct genl_info *info, | |
2093 | struct cfg80211_chan_def *chandef) | |
2094 | { | |
dbeca2ea | 2095 | u32 control_freq; |
683b6d3b JB |
2096 | |
2097 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
2098 | return -EINVAL; | |
2099 | ||
2100 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
2101 | ||
2102 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
2103 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
2104 | chandef->center_freq1 = control_freq; | |
2105 | chandef->center_freq2 = 0; | |
683b6d3b JB |
2106 | |
2107 | /* Primary channel not allowed */ | |
2108 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
2109 | return -EINVAL; | |
2110 | ||
3d9d1d66 JB |
2111 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
2112 | enum nl80211_channel_type chantype; | |
2113 | ||
2114 | chantype = nla_get_u32( | |
2115 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
2116 | ||
2117 | switch (chantype) { | |
2118 | case NL80211_CHAN_NO_HT: | |
2119 | case NL80211_CHAN_HT20: | |
2120 | case NL80211_CHAN_HT40PLUS: | |
2121 | case NL80211_CHAN_HT40MINUS: | |
2122 | cfg80211_chandef_create(chandef, chandef->chan, | |
2123 | chantype); | |
2124 | break; | |
2125 | default: | |
2126 | return -EINVAL; | |
2127 | } | |
2128 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
2129 | chandef->width = | |
2130 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
2131 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
2132 | chandef->center_freq1 = | |
2133 | nla_get_u32( | |
2134 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
2135 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
2136 | chandef->center_freq2 = | |
2137 | nla_get_u32( | |
2138 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
2139 | } | |
2140 | ||
9f5e8f6e | 2141 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
2142 | return -EINVAL; |
2143 | ||
9f5e8f6e JB |
2144 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
2145 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
2146 | return -EINVAL; |
2147 | ||
2f301ab2 SW |
2148 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
2149 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
2150 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
2151 | return -EINVAL; | |
2152 | ||
683b6d3b JB |
2153 | return 0; |
2154 | } | |
2155 | ||
f444de05 | 2156 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 2157 | struct net_device *dev, |
f444de05 JB |
2158 | struct genl_info *info) |
2159 | { | |
683b6d3b | 2160 | struct cfg80211_chan_def chandef; |
f444de05 | 2161 | int result; |
e8c9bd5b | 2162 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 2163 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 2164 | |
e16821bc JM |
2165 | if (dev) |
2166 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
2167 | if (!nl80211_can_set_dev_channel(wdev)) |
2168 | return -EOPNOTSUPP; | |
e16821bc JM |
2169 | if (wdev) |
2170 | iftype = wdev->iftype; | |
f444de05 | 2171 | |
683b6d3b JB |
2172 | result = nl80211_parse_chandef(rdev, info, &chandef); |
2173 | if (result) | |
2174 | return result; | |
f444de05 | 2175 | |
e8c9bd5b | 2176 | switch (iftype) { |
aa430da4 JB |
2177 | case NL80211_IFTYPE_AP: |
2178 | case NL80211_IFTYPE_P2P_GO: | |
923b352f AN |
2179 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
2180 | iftype)) { | |
aa430da4 JB |
2181 | result = -EINVAL; |
2182 | break; | |
2183 | } | |
e16821bc JM |
2184 | if (wdev->beacon_interval) { |
2185 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
2186 | !(rdev->wiphy.features & | |
2187 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
2188 | result = -EBUSY; | |
2189 | break; | |
2190 | } | |
2191 | ||
2192 | /* Only allow dynamic channel width changes */ | |
2193 | if (chandef.chan != wdev->preset_chandef.chan) { | |
2194 | result = -EBUSY; | |
2195 | break; | |
2196 | } | |
2197 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
2198 | if (result) | |
2199 | break; | |
2200 | } | |
683b6d3b | 2201 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2202 | result = 0; |
2203 | break; | |
cc1d2806 | 2204 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2205 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2206 | break; |
e8c9bd5b | 2207 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2208 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2209 | break; |
aa430da4 | 2210 | default: |
e8c9bd5b | 2211 | result = -EINVAL; |
f444de05 | 2212 | } |
f444de05 JB |
2213 | |
2214 | return result; | |
2215 | } | |
2216 | ||
2217 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2218 | { | |
4c476991 JB |
2219 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2220 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2221 | |
e16821bc | 2222 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2223 | } |
2224 | ||
e8347eba BJ |
2225 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2226 | { | |
43b19952 JB |
2227 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2228 | struct net_device *dev = info->user_ptr[1]; | |
2229 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2230 | const u8 *bssid; |
e8347eba BJ |
2231 | |
2232 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2233 | return -EINVAL; | |
2234 | ||
43b19952 JB |
2235 | if (netif_running(dev)) |
2236 | return -EBUSY; | |
e8347eba | 2237 | |
43b19952 JB |
2238 | if (!rdev->ops->set_wds_peer) |
2239 | return -EOPNOTSUPP; | |
e8347eba | 2240 | |
43b19952 JB |
2241 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2242 | return -EOPNOTSUPP; | |
e8347eba BJ |
2243 | |
2244 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2245 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2246 | } |
2247 | ||
55682965 JB |
2248 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2249 | { | |
2250 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2251 | struct net_device *netdev = NULL; |
2252 | struct wireless_dev *wdev; | |
a1e567c8 | 2253 | int result = 0, rem_txq_params = 0; |
31888487 | 2254 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2255 | u32 changed; |
2256 | u8 retry_short = 0, retry_long = 0; | |
2257 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2258 | u8 coverage_class = 0; |
55682965 | 2259 | |
5fe231e8 JB |
2260 | ASSERT_RTNL(); |
2261 | ||
f444de05 JB |
2262 | /* |
2263 | * Try to find the wiphy and netdev. Normally this | |
2264 | * function shouldn't need the netdev, but this is | |
2265 | * done for backward compatibility -- previously | |
2266 | * setting the channel was done per wiphy, but now | |
2267 | * it is per netdev. Previous userland like hostapd | |
2268 | * also passed a netdev to set_wiphy, so that it is | |
2269 | * possible to let that go to the right netdev! | |
2270 | */ | |
4bbf4d56 | 2271 | |
f444de05 JB |
2272 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2273 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2274 | ||
7f2b8562 | 2275 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2276 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2277 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2278 | else |
f444de05 | 2279 | netdev = NULL; |
4bbf4d56 JB |
2280 | } |
2281 | ||
f444de05 | 2282 | if (!netdev) { |
878d9ec7 JB |
2283 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2284 | info->attrs); | |
5fe231e8 | 2285 | if (IS_ERR(rdev)) |
4c476991 | 2286 | return PTR_ERR(rdev); |
f444de05 JB |
2287 | wdev = NULL; |
2288 | netdev = NULL; | |
2289 | result = 0; | |
71fe96bf | 2290 | } else |
f444de05 | 2291 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2292 | |
2293 | /* | |
2294 | * end workaround code, by now the rdev is available | |
2295 | * and locked, and wdev may or may not be NULL. | |
2296 | */ | |
4bbf4d56 JB |
2297 | |
2298 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2299 | result = cfg80211_dev_rename( |
2300 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2301 | |
4bbf4d56 | 2302 | if (result) |
7f2b8562 | 2303 | return result; |
31888487 JM |
2304 | |
2305 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2306 | struct ieee80211_txq_params txq_params; | |
2307 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2308 | ||
7f2b8562 YX |
2309 | if (!rdev->ops->set_txq_params) |
2310 | return -EOPNOTSUPP; | |
31888487 | 2311 | |
7f2b8562 YX |
2312 | if (!netdev) |
2313 | return -EINVAL; | |
f70f01c2 | 2314 | |
133a3ff2 | 2315 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2316 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2317 | return -EINVAL; | |
133a3ff2 | 2318 | |
7f2b8562 YX |
2319 | if (!netif_running(netdev)) |
2320 | return -ENETDOWN; | |
2b5f8b0b | 2321 | |
31888487 JM |
2322 | nla_for_each_nested(nl_txq_params, |
2323 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2324 | rem_txq_params) { | |
bfe2c7b1 JB |
2325 | result = nla_parse_nested(tb, NL80211_TXQ_ATTR_MAX, |
2326 | nl_txq_params, | |
2327 | txq_params_policy); | |
ae811e21 JB |
2328 | if (result) |
2329 | return result; | |
31888487 JM |
2330 | result = parse_txq_params(tb, &txq_params); |
2331 | if (result) | |
7f2b8562 | 2332 | return result; |
31888487 | 2333 | |
e35e4d28 HG |
2334 | result = rdev_set_txq_params(rdev, netdev, |
2335 | &txq_params); | |
31888487 | 2336 | if (result) |
7f2b8562 | 2337 | return result; |
31888487 JM |
2338 | } |
2339 | } | |
55682965 | 2340 | |
72bdcf34 | 2341 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2342 | result = __nl80211_set_channel( |
2343 | rdev, | |
2344 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2345 | info); | |
72bdcf34 | 2346 | if (result) |
7f2b8562 | 2347 | return result; |
72bdcf34 JM |
2348 | } |
2349 | ||
98d2ff8b | 2350 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2351 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2352 | enum nl80211_tx_power_setting type; |
2353 | int idx, mbm = 0; | |
2354 | ||
c8442118 JB |
2355 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2356 | txp_wdev = NULL; | |
2357 | ||
7f2b8562 YX |
2358 | if (!rdev->ops->set_tx_power) |
2359 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2360 | |
2361 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2362 | type = nla_get_u32(info->attrs[idx]); | |
2363 | ||
2364 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2365 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2366 | return -EINVAL; | |
98d2ff8b JO |
2367 | |
2368 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2369 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2370 | mbm = nla_get_u32(info->attrs[idx]); | |
2371 | } | |
2372 | ||
c8442118 | 2373 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2374 | if (result) |
7f2b8562 | 2375 | return result; |
98d2ff8b JO |
2376 | } |
2377 | ||
afe0cbf8 BR |
2378 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2379 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2380 | u32 tx_ant, rx_ant; | |
7a087e74 | 2381 | |
7f531e03 BR |
2382 | if ((!rdev->wiphy.available_antennas_tx && |
2383 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2384 | !rdev->ops->set_antenna) |
2385 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2386 | |
2387 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2388 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2389 | ||
a7ffac95 | 2390 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2391 | * available antenna masks, except for the "all" mask */ |
2392 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2393 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2394 | return -EINVAL; | |
a7ffac95 | 2395 | |
7f531e03 BR |
2396 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2397 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2398 | |
e35e4d28 | 2399 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2400 | if (result) |
7f2b8562 | 2401 | return result; |
afe0cbf8 BR |
2402 | } |
2403 | ||
b9a5f8ca JM |
2404 | changed = 0; |
2405 | ||
2406 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2407 | retry_short = nla_get_u8( | |
2408 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2409 | if (retry_short == 0) |
2410 | return -EINVAL; | |
2411 | ||
b9a5f8ca JM |
2412 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2413 | } | |
2414 | ||
2415 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2416 | retry_long = nla_get_u8( | |
2417 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2418 | if (retry_long == 0) |
2419 | return -EINVAL; | |
2420 | ||
b9a5f8ca JM |
2421 | changed |= WIPHY_PARAM_RETRY_LONG; |
2422 | } | |
2423 | ||
2424 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2425 | frag_threshold = nla_get_u32( | |
2426 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2427 | if (frag_threshold < 256) |
2428 | return -EINVAL; | |
2429 | ||
b9a5f8ca JM |
2430 | if (frag_threshold != (u32) -1) { |
2431 | /* | |
2432 | * Fragments (apart from the last one) are required to | |
2433 | * have even length. Make the fragmentation code | |
2434 | * simpler by stripping LSB should someone try to use | |
2435 | * odd threshold value. | |
2436 | */ | |
2437 | frag_threshold &= ~0x1; | |
2438 | } | |
2439 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2440 | } | |
2441 | ||
2442 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2443 | rts_threshold = nla_get_u32( | |
2444 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2445 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2446 | } | |
2447 | ||
81077e82 | 2448 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2449 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2450 | return -EINVAL; | |
2451 | ||
81077e82 LT |
2452 | coverage_class = nla_get_u8( |
2453 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2454 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2455 | } | |
2456 | ||
3057dbfd LB |
2457 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
2458 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2459 | return -EOPNOTSUPP; | |
2460 | ||
2461 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2462 | } |
2463 | ||
b9a5f8ca JM |
2464 | if (changed) { |
2465 | u8 old_retry_short, old_retry_long; | |
2466 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2467 | u8 old_coverage_class; |
b9a5f8ca | 2468 | |
7f2b8562 YX |
2469 | if (!rdev->ops->set_wiphy_params) |
2470 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2471 | |
2472 | old_retry_short = rdev->wiphy.retry_short; | |
2473 | old_retry_long = rdev->wiphy.retry_long; | |
2474 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2475 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2476 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2477 | |
2478 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2479 | rdev->wiphy.retry_short = retry_short; | |
2480 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2481 | rdev->wiphy.retry_long = retry_long; | |
2482 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2483 | rdev->wiphy.frag_threshold = frag_threshold; | |
2484 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2485 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2486 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2487 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2488 | |
e35e4d28 | 2489 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2490 | if (result) { |
2491 | rdev->wiphy.retry_short = old_retry_short; | |
2492 | rdev->wiphy.retry_long = old_retry_long; | |
2493 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2494 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2495 | rdev->wiphy.coverage_class = old_coverage_class; |
9189ee31 | 2496 | return result; |
b9a5f8ca JM |
2497 | } |
2498 | } | |
7f2b8562 | 2499 | return 0; |
55682965 JB |
2500 | } |
2501 | ||
71bbc994 JB |
2502 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2503 | { | |
2504 | return (u64)wdev->identifier | | |
f26cbf40 | 2505 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2506 | } |
55682965 | 2507 | |
683b6d3b | 2508 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2509 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2510 | { |
601555cd JB |
2511 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
2512 | return -EINVAL; | |
3d9d1d66 | 2513 | |
683b6d3b JB |
2514 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2515 | chandef->chan->center_freq)) | |
2516 | return -ENOBUFS; | |
3d9d1d66 JB |
2517 | switch (chandef->width) { |
2518 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2519 | case NL80211_CHAN_WIDTH_20: | |
2520 | case NL80211_CHAN_WIDTH_40: | |
2521 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2522 | cfg80211_get_chandef_type(chandef))) | |
2523 | return -ENOBUFS; | |
2524 | break; | |
2525 | default: | |
2526 | break; | |
2527 | } | |
2528 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2529 | return -ENOBUFS; | |
2530 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2531 | return -ENOBUFS; | |
2532 | if (chandef->center_freq2 && | |
2533 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2534 | return -ENOBUFS; |
2535 | return 0; | |
2536 | } | |
2537 | ||
15e47304 | 2538 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2539 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2540 | struct wireless_dev *wdev, bool removal) |
55682965 | 2541 | { |
72fb2abc | 2542 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2543 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2544 | void *hdr; |
2545 | ||
8f894be2 TB |
2546 | if (removal) |
2547 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2548 | ||
2549 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2550 | if (!hdr) |
2551 | return -1; | |
2552 | ||
72fb2abc JB |
2553 | if (dev && |
2554 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2555 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2556 | goto nla_put_failure; |
2557 | ||
2558 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2559 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
2dad624e ND |
2560 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
2561 | NL80211_ATTR_PAD) || | |
98104fde | 2562 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2563 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2564 | rdev->devlist_generation ^ | |
2565 | (cfg80211_rdev_list_generation << 2))) | |
2566 | goto nla_put_failure; | |
f5ea9120 | 2567 | |
5b7ccaf3 | 2568 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2569 | int ret; |
2570 | struct cfg80211_chan_def chandef; | |
2571 | ||
2572 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2573 | if (ret == 0) { | |
2574 | if (nl80211_send_chandef(msg, &chandef)) | |
2575 | goto nla_put_failure; | |
2576 | } | |
d91df0e3 PF |
2577 | } |
2578 | ||
d55d0d59 RM |
2579 | if (rdev->ops->get_tx_power) { |
2580 | int dbm, ret; | |
2581 | ||
2582 | ret = rdev_get_tx_power(rdev, wdev, &dbm); | |
2583 | if (ret == 0 && | |
2584 | nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, | |
2585 | DBM_TO_MBM(dbm))) | |
2586 | goto nla_put_failure; | |
2587 | } | |
2588 | ||
b84e7a05 AQ |
2589 | if (wdev->ssid_len) { |
2590 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2591 | goto nla_put_failure; | |
2592 | } | |
2593 | ||
053c095a JB |
2594 | genlmsg_end(msg, hdr); |
2595 | return 0; | |
55682965 JB |
2596 | |
2597 | nla_put_failure: | |
bc3ed28c TG |
2598 | genlmsg_cancel(msg, hdr); |
2599 | return -EMSGSIZE; | |
55682965 JB |
2600 | } |
2601 | ||
2602 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2603 | { | |
2604 | int wp_idx = 0; | |
2605 | int if_idx = 0; | |
2606 | int wp_start = cb->args[0]; | |
2607 | int if_start = cb->args[1]; | |
b7fb44da | 2608 | int filter_wiphy = -1; |
f5ea9120 | 2609 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2610 | struct wireless_dev *wdev; |
2611 | ||
5fe231e8 | 2612 | rtnl_lock(); |
b7fb44da DK |
2613 | if (!cb->args[2]) { |
2614 | struct nl80211_dump_wiphy_state state = { | |
2615 | .filter_wiphy = -1, | |
2616 | }; | |
2617 | int ret; | |
2618 | ||
2619 | ret = nl80211_dump_wiphy_parse(skb, cb, &state); | |
2620 | if (ret) | |
2621 | return ret; | |
2622 | ||
2623 | filter_wiphy = state.filter_wiphy; | |
2624 | ||
2625 | /* | |
2626 | * if filtering, set cb->args[2] to +1 since 0 is the default | |
2627 | * value needed to determine that parsing is necessary. | |
2628 | */ | |
2629 | if (filter_wiphy >= 0) | |
2630 | cb->args[2] = filter_wiphy + 1; | |
2631 | else | |
2632 | cb->args[2] = -1; | |
2633 | } else if (cb->args[2] > 0) { | |
2634 | filter_wiphy = cb->args[2] - 1; | |
2635 | } | |
2636 | ||
f5ea9120 JB |
2637 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2638 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2639 | continue; |
bba95fef JB |
2640 | if (wp_idx < wp_start) { |
2641 | wp_idx++; | |
55682965 | 2642 | continue; |
bba95fef | 2643 | } |
b7fb44da DK |
2644 | |
2645 | if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx) | |
2646 | continue; | |
2647 | ||
55682965 JB |
2648 | if_idx = 0; |
2649 | ||
53873f13 | 2650 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
bba95fef JB |
2651 | if (if_idx < if_start) { |
2652 | if_idx++; | |
55682965 | 2653 | continue; |
bba95fef | 2654 | } |
15e47304 | 2655 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2656 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2657 | rdev, wdev, false) < 0) { |
bba95fef JB |
2658 | goto out; |
2659 | } | |
2660 | if_idx++; | |
55682965 | 2661 | } |
bba95fef JB |
2662 | |
2663 | wp_idx++; | |
55682965 | 2664 | } |
bba95fef | 2665 | out: |
5fe231e8 | 2666 | rtnl_unlock(); |
55682965 JB |
2667 | |
2668 | cb->args[0] = wp_idx; | |
2669 | cb->args[1] = if_idx; | |
2670 | ||
2671 | return skb->len; | |
2672 | } | |
2673 | ||
2674 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2675 | { | |
2676 | struct sk_buff *msg; | |
1b8ec87a | 2677 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2678 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2679 | |
fd2120ca | 2680 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2681 | if (!msg) |
4c476991 | 2682 | return -ENOMEM; |
55682965 | 2683 | |
15e47304 | 2684 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2685 | rdev, wdev, false) < 0) { |
4c476991 JB |
2686 | nlmsg_free(msg); |
2687 | return -ENOBUFS; | |
2688 | } | |
55682965 | 2689 | |
134e6375 | 2690 | return genlmsg_reply(msg, info); |
55682965 JB |
2691 | } |
2692 | ||
66f7ac50 MW |
2693 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2694 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2695 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2696 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2697 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2698 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2699 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2700 | }; |
2701 | ||
2702 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2703 | { | |
2704 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2705 | int flag; | |
2706 | ||
2707 | *mntrflags = 0; | |
2708 | ||
2709 | if (!nla) | |
2710 | return -EINVAL; | |
2711 | ||
2712 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2713 | nla, mntr_flags_policy)) | |
2714 | return -EINVAL; | |
2715 | ||
2716 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2717 | if (flags[flag]) | |
2718 | *mntrflags |= (1<<flag); | |
2719 | ||
2720 | return 0; | |
2721 | } | |
2722 | ||
9bc383de | 2723 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2724 | struct net_device *netdev, u8 use_4addr, |
2725 | enum nl80211_iftype iftype) | |
9bc383de | 2726 | { |
ad4bb6f8 | 2727 | if (!use_4addr) { |
f350a0a8 | 2728 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2729 | return -EBUSY; |
9bc383de | 2730 | return 0; |
ad4bb6f8 | 2731 | } |
9bc383de JB |
2732 | |
2733 | switch (iftype) { | |
2734 | case NL80211_IFTYPE_AP_VLAN: | |
2735 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2736 | return 0; | |
2737 | break; | |
2738 | case NL80211_IFTYPE_STATION: | |
2739 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2740 | return 0; | |
2741 | break; | |
2742 | default: | |
2743 | break; | |
2744 | } | |
2745 | ||
2746 | return -EOPNOTSUPP; | |
2747 | } | |
2748 | ||
55682965 JB |
2749 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2750 | { | |
4c476991 | 2751 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2752 | struct vif_params params; |
e36d56b6 | 2753 | int err; |
04a773ad | 2754 | enum nl80211_iftype otype, ntype; |
4c476991 | 2755 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2756 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2757 | bool change = false; |
55682965 | 2758 | |
2ec600d6 LCC |
2759 | memset(¶ms, 0, sizeof(params)); |
2760 | ||
04a773ad | 2761 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2762 | |
723b038d | 2763 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2764 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2765 | if (otype != ntype) |
ac7f9cfa | 2766 | change = true; |
4c476991 JB |
2767 | if (ntype > NL80211_IFTYPE_MAX) |
2768 | return -EINVAL; | |
723b038d JB |
2769 | } |
2770 | ||
92ffe055 | 2771 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2772 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2773 | ||
4c476991 JB |
2774 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2775 | return -EINVAL; | |
29cbe68c JB |
2776 | if (netif_running(dev)) |
2777 | return -EBUSY; | |
2778 | ||
2779 | wdev_lock(wdev); | |
2780 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2781 | IEEE80211_MAX_MESH_ID_LEN); | |
2782 | wdev->mesh_id_up_len = | |
2783 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2784 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2785 | wdev->mesh_id_up_len); | |
2786 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2787 | } |
2788 | ||
8b787643 FF |
2789 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2790 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2791 | change = true; | |
ad4bb6f8 | 2792 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2793 | if (err) |
4c476991 | 2794 | return err; |
8b787643 FF |
2795 | } else { |
2796 | params.use_4addr = -1; | |
2797 | } | |
2798 | ||
92ffe055 | 2799 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2800 | if (ntype != NL80211_IFTYPE_MONITOR) |
2801 | return -EINVAL; | |
92ffe055 JB |
2802 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2803 | &_flags); | |
ac7f9cfa | 2804 | if (err) |
4c476991 | 2805 | return err; |
ac7f9cfa JB |
2806 | |
2807 | flags = &_flags; | |
2808 | change = true; | |
92ffe055 | 2809 | } |
3b85875a | 2810 | |
c6e6a0c8 AE |
2811 | if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) { |
2812 | const u8 *mumimo_groups; | |
2813 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2814 | ||
2815 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2816 | return -EOPNOTSUPP; | |
2817 | ||
2818 | mumimo_groups = | |
2819 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]); | |
2820 | ||
2821 | /* bits 0 and 63 are reserved and must be zero */ | |
2822 | if ((mumimo_groups[0] & BIT(7)) || | |
2823 | (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(0))) | |
2824 | return -EINVAL; | |
2825 | ||
2826 | memcpy(params.vht_mumimo_groups, mumimo_groups, | |
2827 | VHT_MUMIMO_GROUPS_DATA_LEN); | |
2828 | change = true; | |
2829 | } | |
2830 | ||
2831 | if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) { | |
2832 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2833 | ||
2834 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2835 | return -EOPNOTSUPP; | |
2836 | ||
2837 | nla_memcpy(params.macaddr, | |
2838 | info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR], | |
2839 | ETH_ALEN); | |
2840 | change = true; | |
2841 | } | |
2842 | ||
18003297 | 2843 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2844 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2845 | return -EOPNOTSUPP; | |
2846 | ||
ac7f9cfa | 2847 | if (change) |
3d54d255 | 2848 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2849 | else |
2850 | err = 0; | |
60719ffd | 2851 | |
9bc383de JB |
2852 | if (!err && params.use_4addr != -1) |
2853 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2854 | ||
55682965 JB |
2855 | return err; |
2856 | } | |
2857 | ||
2858 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2859 | { | |
4c476991 | 2860 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2861 | struct vif_params params; |
84efbb84 | 2862 | struct wireless_dev *wdev; |
896ff063 | 2863 | struct sk_buff *msg; |
55682965 JB |
2864 | int err; |
2865 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2866 | u32 flags; |
55682965 | 2867 | |
78f22b6a JB |
2868 | /* to avoid failing a new interface creation due to pending removal */ |
2869 | cfg80211_destroy_ifaces(rdev); | |
2870 | ||
2ec600d6 LCC |
2871 | memset(¶ms, 0, sizeof(params)); |
2872 | ||
55682965 JB |
2873 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2874 | return -EINVAL; | |
2875 | ||
2876 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2877 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2878 | if (type > NL80211_IFTYPE_MAX) | |
2879 | return -EINVAL; | |
2880 | } | |
2881 | ||
79c97e97 | 2882 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2883 | !(rdev->wiphy.interface_modes & (1 << type))) |
2884 | return -EOPNOTSUPP; | |
55682965 | 2885 | |
cb3b7d87 | 2886 | if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN || |
e8f479b1 BG |
2887 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && |
2888 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
2889 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
2890 | ETH_ALEN); | |
2891 | if (!is_valid_ether_addr(params.macaddr)) | |
2892 | return -EADDRNOTAVAIL; | |
2893 | } | |
2894 | ||
9bc383de | 2895 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2896 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2897 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2898 | if (err) |
4c476991 | 2899 | return err; |
9bc383de | 2900 | } |
8b787643 | 2901 | |
66f7ac50 MW |
2902 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2903 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2904 | &flags); | |
e057d3c3 | 2905 | |
18003297 | 2906 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2907 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2908 | return -EOPNOTSUPP; | |
2909 | ||
a18c7192 JB |
2910 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2911 | if (!msg) | |
2912 | return -ENOMEM; | |
2913 | ||
e35e4d28 HG |
2914 | wdev = rdev_add_virtual_intf(rdev, |
2915 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
6bab2e19 TG |
2916 | NET_NAME_USER, type, err ? NULL : &flags, |
2917 | ¶ms); | |
d687cbb7 RM |
2918 | if (WARN_ON(!wdev)) { |
2919 | nlmsg_free(msg); | |
2920 | return -EPROTO; | |
2921 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 2922 | nlmsg_free(msg); |
84efbb84 | 2923 | return PTR_ERR(wdev); |
1c90f9d4 | 2924 | } |
2ec600d6 | 2925 | |
18e5ca65 | 2926 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
2927 | wdev->owner_nlportid = info->snd_portid; |
2928 | ||
98104fde JB |
2929 | switch (type) { |
2930 | case NL80211_IFTYPE_MESH_POINT: | |
2931 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2932 | break; | |
29cbe68c JB |
2933 | wdev_lock(wdev); |
2934 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2935 | IEEE80211_MAX_MESH_ID_LEN); | |
2936 | wdev->mesh_id_up_len = | |
2937 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2938 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2939 | wdev->mesh_id_up_len); | |
2940 | wdev_unlock(wdev); | |
98104fde | 2941 | break; |
cb3b7d87 | 2942 | case NL80211_IFTYPE_NAN: |
98104fde JB |
2943 | case NL80211_IFTYPE_P2P_DEVICE: |
2944 | /* | |
cb3b7d87 | 2945 | * P2P Device and NAN do not have a netdev, so don't go |
98104fde JB |
2946 | * through the netdev notifier and must be added here |
2947 | */ | |
2948 | mutex_init(&wdev->mtx); | |
2949 | INIT_LIST_HEAD(&wdev->event_list); | |
2950 | spin_lock_init(&wdev->event_lock); | |
2951 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2952 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2953 | ||
98104fde | 2954 | wdev->identifier = ++rdev->wdev_id; |
53873f13 | 2955 | list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list); |
98104fde | 2956 | rdev->devlist_generation++; |
98104fde JB |
2957 | break; |
2958 | default: | |
2959 | break; | |
29cbe68c JB |
2960 | } |
2961 | ||
15e47304 | 2962 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2963 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
2964 | nlmsg_free(msg); |
2965 | return -ENOBUFS; | |
2966 | } | |
2967 | ||
896ff063 DK |
2968 | /* |
2969 | * For wdevs which have no associated netdev object (e.g. of type | |
2970 | * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here. | |
2971 | * For all other types, the event will be generated from the | |
2972 | * netdev notifier | |
2973 | */ | |
2974 | if (!wdev->netdev) | |
2975 | nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); | |
8f894be2 | 2976 | |
1c90f9d4 | 2977 | return genlmsg_reply(msg, info); |
55682965 JB |
2978 | } |
2979 | ||
2980 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2981 | { | |
4c476991 | 2982 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2983 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2984 | |
4c476991 JB |
2985 | if (!rdev->ops->del_virtual_intf) |
2986 | return -EOPNOTSUPP; | |
55682965 | 2987 | |
84efbb84 JB |
2988 | /* |
2989 | * If we remove a wireless device without a netdev then clear | |
2990 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2991 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2992 | * since the wdev has been freed, unlike with a netdev where | |
2993 | * we need the dev_put() for the netdev to really be freed. | |
2994 | */ | |
2995 | if (!wdev->netdev) | |
2996 | info->user_ptr[1] = NULL; | |
2997 | ||
7f8ed01e | 2998 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2999 | } |
3000 | ||
1d9d9213 SW |
3001 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
3002 | { | |
3003 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3004 | struct net_device *dev = info->user_ptr[1]; | |
3005 | u16 noack_map; | |
3006 | ||
3007 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
3008 | return -EINVAL; | |
3009 | ||
3010 | if (!rdev->ops->set_noack_map) | |
3011 | return -EOPNOTSUPP; | |
3012 | ||
3013 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
3014 | ||
e35e4d28 | 3015 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
3016 | } |
3017 | ||
41ade00f JB |
3018 | struct get_key_cookie { |
3019 | struct sk_buff *msg; | |
3020 | int error; | |
b9454e83 | 3021 | int idx; |
41ade00f JB |
3022 | }; |
3023 | ||
3024 | static void get_key_callback(void *c, struct key_params *params) | |
3025 | { | |
b9454e83 | 3026 | struct nlattr *key; |
41ade00f JB |
3027 | struct get_key_cookie *cookie = c; |
3028 | ||
9360ffd1 DM |
3029 | if ((params->key && |
3030 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
3031 | params->key_len, params->key)) || | |
3032 | (params->seq && | |
3033 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
3034 | params->seq_len, params->seq)) || | |
3035 | (params->cipher && | |
3036 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
3037 | params->cipher))) | |
3038 | goto nla_put_failure; | |
41ade00f | 3039 | |
b9454e83 JB |
3040 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
3041 | if (!key) | |
3042 | goto nla_put_failure; | |
3043 | ||
9360ffd1 DM |
3044 | if ((params->key && |
3045 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
3046 | params->key_len, params->key)) || | |
3047 | (params->seq && | |
3048 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
3049 | params->seq_len, params->seq)) || | |
3050 | (params->cipher && | |
3051 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
3052 | params->cipher))) | |
3053 | goto nla_put_failure; | |
b9454e83 | 3054 | |
9360ffd1 DM |
3055 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
3056 | goto nla_put_failure; | |
b9454e83 JB |
3057 | |
3058 | nla_nest_end(cookie->msg, key); | |
3059 | ||
41ade00f JB |
3060 | return; |
3061 | nla_put_failure: | |
3062 | cookie->error = 1; | |
3063 | } | |
3064 | ||
3065 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
3066 | { | |
4c476991 | 3067 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3068 | int err; |
4c476991 | 3069 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3070 | u8 key_idx = 0; |
e31b8213 JB |
3071 | const u8 *mac_addr = NULL; |
3072 | bool pairwise; | |
41ade00f JB |
3073 | struct get_key_cookie cookie = { |
3074 | .error = 0, | |
3075 | }; | |
3076 | void *hdr; | |
3077 | struct sk_buff *msg; | |
3078 | ||
3079 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
3080 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
3081 | ||
3cfcf6ac | 3082 | if (key_idx > 5) |
41ade00f JB |
3083 | return -EINVAL; |
3084 | ||
3085 | if (info->attrs[NL80211_ATTR_MAC]) | |
3086 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3087 | ||
e31b8213 JB |
3088 | pairwise = !!mac_addr; |
3089 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
3090 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
7a087e74 | 3091 | |
e31b8213 JB |
3092 | if (kt >= NUM_NL80211_KEYTYPES) |
3093 | return -EINVAL; | |
3094 | if (kt != NL80211_KEYTYPE_GROUP && | |
3095 | kt != NL80211_KEYTYPE_PAIRWISE) | |
3096 | return -EINVAL; | |
3097 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
3098 | } | |
3099 | ||
4c476991 JB |
3100 | if (!rdev->ops->get_key) |
3101 | return -EOPNOTSUPP; | |
41ade00f | 3102 | |
0fa7b391 JB |
3103 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3104 | return -ENOENT; | |
3105 | ||
fd2120ca | 3106 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3107 | if (!msg) |
3108 | return -ENOMEM; | |
41ade00f | 3109 | |
15e47304 | 3110 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 3111 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 3112 | if (!hdr) |
9fe271af | 3113 | goto nla_put_failure; |
41ade00f JB |
3114 | |
3115 | cookie.msg = msg; | |
b9454e83 | 3116 | cookie.idx = key_idx; |
41ade00f | 3117 | |
9360ffd1 DM |
3118 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3119 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
3120 | goto nla_put_failure; | |
3121 | if (mac_addr && | |
3122 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
3123 | goto nla_put_failure; | |
41ade00f | 3124 | |
e35e4d28 HG |
3125 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
3126 | get_key_callback); | |
41ade00f JB |
3127 | |
3128 | if (err) | |
6c95e2a2 | 3129 | goto free_msg; |
41ade00f JB |
3130 | |
3131 | if (cookie.error) | |
3132 | goto nla_put_failure; | |
3133 | ||
3134 | genlmsg_end(msg, hdr); | |
4c476991 | 3135 | return genlmsg_reply(msg, info); |
41ade00f JB |
3136 | |
3137 | nla_put_failure: | |
3138 | err = -ENOBUFS; | |
6c95e2a2 | 3139 | free_msg: |
41ade00f | 3140 | nlmsg_free(msg); |
41ade00f JB |
3141 | return err; |
3142 | } | |
3143 | ||
3144 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
3145 | { | |
4c476991 | 3146 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 3147 | struct key_parse key; |
41ade00f | 3148 | int err; |
4c476991 | 3149 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3150 | |
b9454e83 JB |
3151 | err = nl80211_parse_key(info, &key); |
3152 | if (err) | |
3153 | return err; | |
41ade00f | 3154 | |
b9454e83 | 3155 | if (key.idx < 0) |
41ade00f JB |
3156 | return -EINVAL; |
3157 | ||
b9454e83 JB |
3158 | /* only support setting default key */ |
3159 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
3160 | return -EINVAL; |
3161 | ||
dbd2fd65 | 3162 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 3163 | |
dbd2fd65 JB |
3164 | if (key.def) { |
3165 | if (!rdev->ops->set_default_key) { | |
3166 | err = -EOPNOTSUPP; | |
3167 | goto out; | |
3168 | } | |
41ade00f | 3169 | |
dbd2fd65 JB |
3170 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
3171 | if (err) | |
3172 | goto out; | |
3173 | ||
e35e4d28 | 3174 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
3175 | key.def_uni, key.def_multi); |
3176 | ||
3177 | if (err) | |
3178 | goto out; | |
fffd0934 | 3179 | |
3d23e349 | 3180 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
3181 | dev->ieee80211_ptr->wext.default_key = key.idx; |
3182 | #endif | |
3183 | } else { | |
3184 | if (key.def_uni || !key.def_multi) { | |
3185 | err = -EINVAL; | |
3186 | goto out; | |
3187 | } | |
3188 | ||
3189 | if (!rdev->ops->set_default_mgmt_key) { | |
3190 | err = -EOPNOTSUPP; | |
3191 | goto out; | |
3192 | } | |
3193 | ||
3194 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3195 | if (err) | |
3196 | goto out; | |
3197 | ||
e35e4d28 | 3198 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
3199 | if (err) |
3200 | goto out; | |
3201 | ||
3202 | #ifdef CONFIG_CFG80211_WEXT | |
3203 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 3204 | #endif |
dbd2fd65 JB |
3205 | } |
3206 | ||
3207 | out: | |
fffd0934 | 3208 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3209 | |
41ade00f JB |
3210 | return err; |
3211 | } | |
3212 | ||
3213 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
3214 | { | |
4c476991 | 3215 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 3216 | int err; |
4c476991 | 3217 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 3218 | struct key_parse key; |
e31b8213 | 3219 | const u8 *mac_addr = NULL; |
41ade00f | 3220 | |
b9454e83 JB |
3221 | err = nl80211_parse_key(info, &key); |
3222 | if (err) | |
3223 | return err; | |
41ade00f | 3224 | |
b9454e83 | 3225 | if (!key.p.key) |
41ade00f JB |
3226 | return -EINVAL; |
3227 | ||
41ade00f JB |
3228 | if (info->attrs[NL80211_ATTR_MAC]) |
3229 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3230 | ||
e31b8213 JB |
3231 | if (key.type == -1) { |
3232 | if (mac_addr) | |
3233 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3234 | else | |
3235 | key.type = NL80211_KEYTYPE_GROUP; | |
3236 | } | |
3237 | ||
3238 | /* for now */ | |
3239 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3240 | key.type != NL80211_KEYTYPE_GROUP) | |
3241 | return -EINVAL; | |
3242 | ||
4c476991 JB |
3243 | if (!rdev->ops->add_key) |
3244 | return -EOPNOTSUPP; | |
25e47c18 | 3245 | |
e31b8213 JB |
3246 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3247 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3248 | mac_addr)) | |
4c476991 | 3249 | return -EINVAL; |
41ade00f | 3250 | |
fffd0934 JB |
3251 | wdev_lock(dev->ieee80211_ptr); |
3252 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3253 | if (!err) | |
e35e4d28 HG |
3254 | err = rdev_add_key(rdev, dev, key.idx, |
3255 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3256 | mac_addr, &key.p); | |
fffd0934 | 3257 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3258 | |
41ade00f JB |
3259 | return err; |
3260 | } | |
3261 | ||
3262 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3263 | { | |
4c476991 | 3264 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3265 | int err; |
4c476991 | 3266 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3267 | u8 *mac_addr = NULL; |
b9454e83 | 3268 | struct key_parse key; |
41ade00f | 3269 | |
b9454e83 JB |
3270 | err = nl80211_parse_key(info, &key); |
3271 | if (err) | |
3272 | return err; | |
41ade00f JB |
3273 | |
3274 | if (info->attrs[NL80211_ATTR_MAC]) | |
3275 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3276 | ||
e31b8213 JB |
3277 | if (key.type == -1) { |
3278 | if (mac_addr) | |
3279 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3280 | else | |
3281 | key.type = NL80211_KEYTYPE_GROUP; | |
3282 | } | |
3283 | ||
3284 | /* for now */ | |
3285 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3286 | key.type != NL80211_KEYTYPE_GROUP) | |
3287 | return -EINVAL; | |
3288 | ||
4c476991 JB |
3289 | if (!rdev->ops->del_key) |
3290 | return -EOPNOTSUPP; | |
41ade00f | 3291 | |
fffd0934 JB |
3292 | wdev_lock(dev->ieee80211_ptr); |
3293 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 | 3294 | |
0fa7b391 | 3295 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
e31b8213 JB |
3296 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3297 | err = -ENOENT; | |
3298 | ||
fffd0934 | 3299 | if (!err) |
e35e4d28 HG |
3300 | err = rdev_del_key(rdev, dev, key.idx, |
3301 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3302 | mac_addr); | |
41ade00f | 3303 | |
3d23e349 | 3304 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3305 | if (!err) { |
b9454e83 | 3306 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3307 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3308 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3309 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3310 | } | |
3311 | #endif | |
fffd0934 | 3312 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3313 | |
41ade00f JB |
3314 | return err; |
3315 | } | |
3316 | ||
77765eaf VT |
3317 | /* This function returns an error or the number of nested attributes */ |
3318 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3319 | { | |
3320 | struct nlattr *attr; | |
3321 | int n_entries = 0, tmp; | |
3322 | ||
3323 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3324 | if (nla_len(attr) != ETH_ALEN) | |
3325 | return -EINVAL; | |
3326 | ||
3327 | n_entries++; | |
3328 | } | |
3329 | ||
3330 | return n_entries; | |
3331 | } | |
3332 | ||
3333 | /* | |
3334 | * This function parses ACL information and allocates memory for ACL data. | |
3335 | * On successful return, the calling function is responsible to free the | |
3336 | * ACL buffer returned by this function. | |
3337 | */ | |
3338 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3339 | struct genl_info *info) | |
3340 | { | |
3341 | enum nl80211_acl_policy acl_policy; | |
3342 | struct nlattr *attr; | |
3343 | struct cfg80211_acl_data *acl; | |
3344 | int i = 0, n_entries, tmp; | |
3345 | ||
3346 | if (!wiphy->max_acl_mac_addrs) | |
3347 | return ERR_PTR(-EOPNOTSUPP); | |
3348 | ||
3349 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3350 | return ERR_PTR(-EINVAL); | |
3351 | ||
3352 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3353 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3354 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3355 | return ERR_PTR(-EINVAL); | |
3356 | ||
3357 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3358 | return ERR_PTR(-EINVAL); | |
3359 | ||
3360 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3361 | if (n_entries < 0) | |
3362 | return ERR_PTR(n_entries); | |
3363 | ||
3364 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3365 | return ERR_PTR(-ENOTSUPP); | |
3366 | ||
3367 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3368 | GFP_KERNEL); | |
3369 | if (!acl) | |
3370 | return ERR_PTR(-ENOMEM); | |
3371 | ||
3372 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3373 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3374 | i++; | |
3375 | } | |
3376 | ||
3377 | acl->n_acl_entries = n_entries; | |
3378 | acl->acl_policy = acl_policy; | |
3379 | ||
3380 | return acl; | |
3381 | } | |
3382 | ||
3383 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3384 | { | |
3385 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3386 | struct net_device *dev = info->user_ptr[1]; | |
3387 | struct cfg80211_acl_data *acl; | |
3388 | int err; | |
3389 | ||
3390 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3391 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3392 | return -EOPNOTSUPP; | |
3393 | ||
3394 | if (!dev->ieee80211_ptr->beacon_interval) | |
3395 | return -EINVAL; | |
3396 | ||
3397 | acl = parse_acl_data(&rdev->wiphy, info); | |
3398 | if (IS_ERR(acl)) | |
3399 | return PTR_ERR(acl); | |
3400 | ||
3401 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3402 | ||
3403 | kfree(acl); | |
3404 | ||
3405 | return err; | |
3406 | } | |
3407 | ||
a7c7fbff PK |
3408 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
3409 | u8 *rates, u8 rates_len) | |
3410 | { | |
3411 | u8 i; | |
3412 | u32 mask = 0; | |
3413 | ||
3414 | for (i = 0; i < rates_len; i++) { | |
3415 | int rate = (rates[i] & 0x7f) * 5; | |
3416 | int ridx; | |
3417 | ||
3418 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
3419 | struct ieee80211_rate *srate = | |
3420 | &sband->bitrates[ridx]; | |
3421 | if (rate == srate->bitrate) { | |
3422 | mask |= 1 << ridx; | |
3423 | break; | |
3424 | } | |
3425 | } | |
3426 | if (ridx == sband->n_bitrates) | |
3427 | return 0; /* rate not found */ | |
3428 | } | |
3429 | ||
3430 | return mask; | |
3431 | } | |
3432 | ||
3433 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, | |
3434 | u8 *rates, u8 rates_len, | |
3435 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
3436 | { | |
3437 | u8 i; | |
3438 | ||
3439 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
3440 | ||
3441 | for (i = 0; i < rates_len; i++) { | |
3442 | int ridx, rbit; | |
3443 | ||
3444 | ridx = rates[i] / 8; | |
3445 | rbit = BIT(rates[i] % 8); | |
3446 | ||
3447 | /* check validity */ | |
3448 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) | |
3449 | return false; | |
3450 | ||
3451 | /* check availability */ | |
3452 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
3453 | mcs[ridx] |= rbit; | |
3454 | else | |
3455 | return false; | |
3456 | } | |
3457 | ||
3458 | return true; | |
3459 | } | |
3460 | ||
3461 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) | |
3462 | { | |
3463 | u16 mcs_mask = 0; | |
3464 | ||
3465 | switch (vht_mcs_map) { | |
3466 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
3467 | break; | |
3468 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
3469 | mcs_mask = 0x00FF; | |
3470 | break; | |
3471 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
3472 | mcs_mask = 0x01FF; | |
3473 | break; | |
3474 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
3475 | mcs_mask = 0x03FF; | |
3476 | break; | |
3477 | default: | |
3478 | break; | |
3479 | } | |
3480 | ||
3481 | return mcs_mask; | |
3482 | } | |
3483 | ||
3484 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
3485 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
3486 | { | |
3487 | u8 nss; | |
3488 | ||
3489 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
3490 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
3491 | vht_mcs_map >>= 2; | |
3492 | } | |
3493 | } | |
3494 | ||
3495 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
3496 | struct nl80211_txrate_vht *txrate, | |
3497 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
3498 | { | |
3499 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3500 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
3501 | u8 i; | |
3502 | ||
3503 | if (!sband->vht_cap.vht_supported) | |
3504 | return false; | |
3505 | ||
3506 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
3507 | ||
3508 | /* Build vht_mcs_mask from VHT capabilities */ | |
3509 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
3510 | ||
3511 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
3512 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
3513 | mcs[i] = txrate->mcs[i]; | |
3514 | else | |
3515 | return false; | |
3516 | } | |
3517 | ||
3518 | return true; | |
3519 | } | |
3520 | ||
3521 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { | |
3522 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, | |
3523 | .len = NL80211_MAX_SUPP_RATES }, | |
3524 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, | |
3525 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
3526 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, | |
3527 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, | |
3528 | }; | |
3529 | ||
3530 | static int nl80211_parse_tx_bitrate_mask(struct genl_info *info, | |
3531 | struct cfg80211_bitrate_mask *mask) | |
3532 | { | |
3533 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
3534 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3535 | int rem, i; | |
3536 | struct nlattr *tx_rates; | |
3537 | struct ieee80211_supported_band *sband; | |
3538 | u16 vht_tx_mcs_map; | |
3539 | ||
3540 | memset(mask, 0, sizeof(*mask)); | |
3541 | /* Default to all rates enabled */ | |
3542 | for (i = 0; i < NUM_NL80211_BANDS; i++) { | |
3543 | sband = rdev->wiphy.bands[i]; | |
3544 | ||
3545 | if (!sband) | |
3546 | continue; | |
3547 | ||
3548 | mask->control[i].legacy = (1 << sband->n_bitrates) - 1; | |
3549 | memcpy(mask->control[i].ht_mcs, | |
3550 | sband->ht_cap.mcs.rx_mask, | |
3551 | sizeof(mask->control[i].ht_mcs)); | |
3552 | ||
3553 | if (!sband->vht_cap.vht_supported) | |
3554 | continue; | |
3555 | ||
3556 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3557 | vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs); | |
3558 | } | |
3559 | ||
3560 | /* if no rates are given set it back to the defaults */ | |
3561 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
3562 | goto out; | |
3563 | ||
3564 | /* The nested attribute uses enum nl80211_band as the index. This maps | |
3565 | * directly to the enum nl80211_band values used in cfg80211. | |
3566 | */ | |
3567 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); | |
3568 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { | |
3569 | enum nl80211_band band = nla_type(tx_rates); | |
3570 | int err; | |
3571 | ||
3572 | if (band < 0 || band >= NUM_NL80211_BANDS) | |
3573 | return -EINVAL; | |
3574 | sband = rdev->wiphy.bands[band]; | |
3575 | if (sband == NULL) | |
3576 | return -EINVAL; | |
bfe2c7b1 JB |
3577 | err = nla_parse_nested(tb, NL80211_TXRATE_MAX, tx_rates, |
3578 | nl80211_txattr_policy); | |
a7c7fbff PK |
3579 | if (err) |
3580 | return err; | |
3581 | if (tb[NL80211_TXRATE_LEGACY]) { | |
3582 | mask->control[band].legacy = rateset_to_mask( | |
3583 | sband, | |
3584 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
3585 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
3586 | if ((mask->control[band].legacy == 0) && | |
3587 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
3588 | return -EINVAL; | |
3589 | } | |
3590 | if (tb[NL80211_TXRATE_HT]) { | |
3591 | if (!ht_rateset_to_mask( | |
3592 | sband, | |
3593 | nla_data(tb[NL80211_TXRATE_HT]), | |
3594 | nla_len(tb[NL80211_TXRATE_HT]), | |
3595 | mask->control[band].ht_mcs)) | |
3596 | return -EINVAL; | |
3597 | } | |
3598 | if (tb[NL80211_TXRATE_VHT]) { | |
3599 | if (!vht_set_mcs_mask( | |
3600 | sband, | |
3601 | nla_data(tb[NL80211_TXRATE_VHT]), | |
3602 | mask->control[band].vht_mcs)) | |
3603 | return -EINVAL; | |
3604 | } | |
3605 | if (tb[NL80211_TXRATE_GI]) { | |
3606 | mask->control[band].gi = | |
3607 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
3608 | if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
3609 | return -EINVAL; | |
3610 | } | |
3611 | ||
3612 | if (mask->control[band].legacy == 0) { | |
3613 | /* don't allow empty legacy rates if HT or VHT | |
3614 | * are not even supported. | |
3615 | */ | |
3616 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
3617 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
3618 | return -EINVAL; | |
3619 | ||
3620 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
3621 | if (mask->control[band].ht_mcs[i]) | |
3622 | goto out; | |
3623 | ||
3624 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
3625 | if (mask->control[band].vht_mcs[i]) | |
3626 | goto out; | |
3627 | ||
3628 | /* legacy and mcs rates may not be both empty */ | |
3629 | return -EINVAL; | |
3630 | } | |
3631 | } | |
3632 | ||
3633 | out: | |
3634 | return 0; | |
3635 | } | |
3636 | ||
8564e382 JB |
3637 | static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev, |
3638 | enum nl80211_band band, | |
3639 | struct cfg80211_bitrate_mask *beacon_rate) | |
a7c7fbff | 3640 | { |
8564e382 JB |
3641 | u32 count_ht, count_vht, i; |
3642 | u32 rate = beacon_rate->control[band].legacy; | |
a7c7fbff PK |
3643 | |
3644 | /* Allow only one rate */ | |
3645 | if (hweight32(rate) > 1) | |
3646 | return -EINVAL; | |
3647 | ||
3648 | count_ht = 0; | |
3649 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
8564e382 | 3650 | if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) { |
a7c7fbff | 3651 | return -EINVAL; |
8564e382 | 3652 | } else if (beacon_rate->control[band].ht_mcs[i]) { |
a7c7fbff PK |
3653 | count_ht++; |
3654 | if (count_ht > 1) | |
3655 | return -EINVAL; | |
3656 | } | |
3657 | if (count_ht && rate) | |
3658 | return -EINVAL; | |
3659 | } | |
3660 | ||
3661 | count_vht = 0; | |
3662 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8564e382 | 3663 | if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) { |
a7c7fbff | 3664 | return -EINVAL; |
8564e382 | 3665 | } else if (beacon_rate->control[band].vht_mcs[i]) { |
a7c7fbff PK |
3666 | count_vht++; |
3667 | if (count_vht > 1) | |
3668 | return -EINVAL; | |
3669 | } | |
3670 | if (count_vht && rate) | |
3671 | return -EINVAL; | |
3672 | } | |
3673 | ||
3674 | if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht)) | |
3675 | return -EINVAL; | |
3676 | ||
8564e382 JB |
3677 | if (rate && |
3678 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3679 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) | |
3680 | return -EINVAL; | |
3681 | if (count_ht && | |
3682 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3683 | NL80211_EXT_FEATURE_BEACON_RATE_HT)) | |
3684 | return -EINVAL; | |
3685 | if (count_vht && | |
3686 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3687 | NL80211_EXT_FEATURE_BEACON_RATE_VHT)) | |
3688 | return -EINVAL; | |
3689 | ||
a7c7fbff PK |
3690 | return 0; |
3691 | } | |
3692 | ||
a1193be8 | 3693 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3694 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3695 | { |
8860020e | 3696 | bool haveinfo = false; |
ed1b6cc7 | 3697 | |
a1193be8 SW |
3698 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3699 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3700 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3701 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3702 | return -EINVAL; |
3703 | ||
8860020e | 3704 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3705 | |
a1193be8 SW |
3706 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3707 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3708 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3709 | if (!bcn->head_len) |
3710 | return -EINVAL; | |
3711 | haveinfo = true; | |
ed1b6cc7 JB |
3712 | } |
3713 | ||
a1193be8 SW |
3714 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3715 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3716 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3717 | haveinfo = true; |
ed1b6cc7 JB |
3718 | } |
3719 | ||
4c476991 JB |
3720 | if (!haveinfo) |
3721 | return -EINVAL; | |
3b85875a | 3722 | |
a1193be8 SW |
3723 | if (attrs[NL80211_ATTR_IE]) { |
3724 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3725 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3726 | } |
3727 | ||
a1193be8 | 3728 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3729 | bcn->proberesp_ies = |
a1193be8 | 3730 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3731 | bcn->proberesp_ies_len = |
a1193be8 | 3732 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3733 | } |
3734 | ||
a1193be8 | 3735 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3736 | bcn->assocresp_ies = |
a1193be8 | 3737 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3738 | bcn->assocresp_ies_len = |
a1193be8 | 3739 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3740 | } |
3741 | ||
a1193be8 SW |
3742 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3743 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3744 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3745 | } |
3746 | ||
8860020e JB |
3747 | return 0; |
3748 | } | |
3749 | ||
66cd794e JB |
3750 | static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, |
3751 | const u8 *rates) | |
3752 | { | |
3753 | int i; | |
3754 | ||
3755 | if (!rates) | |
3756 | return; | |
3757 | ||
3758 | for (i = 0; i < rates[1]; i++) { | |
3759 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY) | |
3760 | params->ht_required = true; | |
3761 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY) | |
3762 | params->vht_required = true; | |
3763 | } | |
3764 | } | |
3765 | ||
3766 | /* | |
3767 | * Since the nl80211 API didn't include, from the beginning, attributes about | |
3768 | * HT/VHT requirements/capabilities, we parse them out of the IEs for the | |
3769 | * benefit of drivers that rebuild IEs in the firmware. | |
3770 | */ | |
3771 | static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params) | |
3772 | { | |
3773 | const struct cfg80211_beacon_data *bcn = ¶ms->beacon; | |
3774 | size_t ies_len = bcn->beacon_ies_len; | |
3775 | const u8 *ies = bcn->beacon_ies; | |
3776 | const u8 *rates; | |
3777 | const u8 *cap; | |
3778 | ||
3779 | rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len); | |
3780 | nl80211_check_ap_rate_selectors(params, rates); | |
3781 | ||
3782 | rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len); | |
3783 | nl80211_check_ap_rate_selectors(params, rates); | |
3784 | ||
3785 | cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len); | |
3786 | if (cap && cap[1] >= sizeof(*params->ht_cap)) | |
3787 | params->ht_cap = (void *)(cap + 2); | |
3788 | cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len); | |
3789 | if (cap && cap[1] >= sizeof(*params->vht_cap)) | |
3790 | params->vht_cap = (void *)(cap + 2); | |
3791 | } | |
3792 | ||
46c1dd0c FF |
3793 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3794 | struct cfg80211_ap_settings *params) | |
3795 | { | |
3796 | struct wireless_dev *wdev; | |
3797 | bool ret = false; | |
3798 | ||
53873f13 | 3799 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
46c1dd0c FF |
3800 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3801 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3802 | continue; | |
3803 | ||
683b6d3b | 3804 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3805 | continue; |
3806 | ||
683b6d3b | 3807 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3808 | ret = true; |
3809 | break; | |
3810 | } | |
3811 | ||
46c1dd0c FF |
3812 | return ret; |
3813 | } | |
3814 | ||
e39e5b5e JM |
3815 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3816 | enum nl80211_auth_type auth_type, | |
3817 | enum nl80211_commands cmd) | |
3818 | { | |
3819 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3820 | return false; | |
3821 | ||
3822 | switch (cmd) { | |
3823 | case NL80211_CMD_AUTHENTICATE: | |
3824 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3825 | auth_type == NL80211_AUTHTYPE_SAE) | |
3826 | return false; | |
63181060 JM |
3827 | if (!wiphy_ext_feature_isset(&rdev->wiphy, |
3828 | NL80211_EXT_FEATURE_FILS_STA) && | |
3829 | (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
3830 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3831 | auth_type == NL80211_AUTHTYPE_FILS_PK)) | |
3832 | return false; | |
e39e5b5e JM |
3833 | return true; |
3834 | case NL80211_CMD_CONNECT: | |
3835 | case NL80211_CMD_START_AP: | |
3836 | /* SAE not supported yet */ | |
3837 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3838 | return false; | |
63181060 JM |
3839 | /* FILS not supported yet */ |
3840 | if (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
3841 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3842 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
3843 | return false; | |
e39e5b5e JM |
3844 | return true; |
3845 | default: | |
3846 | return false; | |
3847 | } | |
3848 | } | |
3849 | ||
8860020e JB |
3850 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3851 | { | |
3852 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3853 | struct net_device *dev = info->user_ptr[1]; | |
3854 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3855 | struct cfg80211_ap_settings params; | |
3856 | int err; | |
3857 | ||
3858 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3859 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3860 | return -EOPNOTSUPP; | |
3861 | ||
3862 | if (!rdev->ops->start_ap) | |
3863 | return -EOPNOTSUPP; | |
3864 | ||
3865 | if (wdev->beacon_interval) | |
3866 | return -EALREADY; | |
3867 | ||
3868 | memset(¶ms, 0, sizeof(params)); | |
3869 | ||
3870 | /* these are required for START_AP */ | |
3871 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3872 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3873 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3874 | return -EINVAL; | |
3875 | ||
a1193be8 | 3876 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3877 | if (err) |
3878 | return err; | |
3879 | ||
3880 | params.beacon_interval = | |
3881 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3882 | params.dtim_period = | |
3883 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3884 | ||
0c317a02 PK |
3885 | err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype, |
3886 | params.beacon_interval); | |
8860020e JB |
3887 | if (err) |
3888 | return err; | |
3889 | ||
3890 | /* | |
3891 | * In theory, some of these attributes should be required here | |
3892 | * but since they were not used when the command was originally | |
3893 | * added, keep them optional for old user space programs to let | |
3894 | * them continue to work with drivers that do not need the | |
3895 | * additional information -- drivers must check! | |
3896 | */ | |
3897 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3898 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3899 | params.ssid_len = | |
3900 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3901 | if (params.ssid_len == 0 || | |
3902 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3903 | return -EINVAL; | |
3904 | } | |
3905 | ||
3906 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3907 | params.hidden_ssid = nla_get_u32( | |
3908 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3909 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3910 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3911 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3912 | return -EINVAL; | |
3913 | } | |
3914 | ||
3915 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3916 | ||
3917 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3918 | params.auth_type = nla_get_u32( | |
3919 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3920 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3921 | NL80211_CMD_START_AP)) | |
8860020e JB |
3922 | return -EINVAL; |
3923 | } else | |
3924 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3925 | ||
3926 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3927 | NL80211_MAX_NR_CIPHER_SUITES); | |
3928 | if (err) | |
3929 | return err; | |
3930 | ||
1b658f11 VT |
3931 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3932 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3933 | return -EOPNOTSUPP; | |
3934 | params.inactivity_timeout = nla_get_u16( | |
3935 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3936 | } | |
3937 | ||
53cabad7 JB |
3938 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3939 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3940 | return -EINVAL; | |
3941 | params.p2p_ctwindow = | |
3942 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3943 | if (params.p2p_ctwindow > 127) | |
3944 | return -EINVAL; | |
3945 | if (params.p2p_ctwindow != 0 && | |
3946 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3947 | return -EINVAL; | |
3948 | } | |
3949 | ||
3950 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3951 | u8 tmp; | |
3952 | ||
3953 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3954 | return -EINVAL; | |
3955 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3956 | if (tmp > 1) | |
3957 | return -EINVAL; | |
3958 | params.p2p_opp_ps = tmp; | |
3959 | if (params.p2p_opp_ps != 0 && | |
3960 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3961 | return -EINVAL; | |
3962 | } | |
3963 | ||
aa430da4 | 3964 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3965 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3966 | if (err) | |
3967 | return err; | |
3968 | } else if (wdev->preset_chandef.chan) { | |
3969 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3970 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3971 | return -EINVAL; |
3972 | ||
923b352f AN |
3973 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
3974 | wdev->iftype)) | |
aa430da4 JB |
3975 | return -EINVAL; |
3976 | ||
a7c7fbff PK |
3977 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
3978 | err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate); | |
3979 | if (err) | |
3980 | return err; | |
3981 | ||
8564e382 JB |
3982 | err = validate_beacon_tx_rate(rdev, params.chandef.chan->band, |
3983 | ¶ms.beacon_rate); | |
a7c7fbff PK |
3984 | if (err) |
3985 | return err; | |
3986 | } | |
3987 | ||
18998c38 EP |
3988 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
3989 | params.smps_mode = | |
3990 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
3991 | switch (params.smps_mode) { | |
3992 | case NL80211_SMPS_OFF: | |
3993 | break; | |
3994 | case NL80211_SMPS_STATIC: | |
3995 | if (!(rdev->wiphy.features & | |
3996 | NL80211_FEATURE_STATIC_SMPS)) | |
3997 | return -EINVAL; | |
3998 | break; | |
3999 | case NL80211_SMPS_DYNAMIC: | |
4000 | if (!(rdev->wiphy.features & | |
4001 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
4002 | return -EINVAL; | |
4003 | break; | |
4004 | default: | |
4005 | return -EINVAL; | |
4006 | } | |
4007 | } else { | |
4008 | params.smps_mode = NL80211_SMPS_OFF; | |
4009 | } | |
4010 | ||
6e8ef842 PK |
4011 | params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
4012 | if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) | |
4013 | return -EOPNOTSUPP; | |
4014 | ||
4baf6bea OO |
4015 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
4016 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
4017 | if (IS_ERR(params.acl)) | |
4018 | return PTR_ERR(params.acl); | |
4019 | } | |
4020 | ||
66cd794e JB |
4021 | nl80211_calculate_ap_params(¶ms); |
4022 | ||
c56589ed | 4023 | wdev_lock(wdev); |
e35e4d28 | 4024 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 4025 | if (!err) { |
683b6d3b | 4026 | wdev->preset_chandef = params.chandef; |
8860020e | 4027 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 4028 | wdev->chandef = params.chandef; |
06e191e2 AQ |
4029 | wdev->ssid_len = params.ssid_len; |
4030 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 4031 | } |
c56589ed | 4032 | wdev_unlock(wdev); |
77765eaf VT |
4033 | |
4034 | kfree(params.acl); | |
4035 | ||
56d1893d | 4036 | return err; |
ed1b6cc7 JB |
4037 | } |
4038 | ||
8860020e JB |
4039 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
4040 | { | |
4041 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4042 | struct net_device *dev = info->user_ptr[1]; | |
4043 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
4044 | struct cfg80211_beacon_data params; | |
4045 | int err; | |
4046 | ||
4047 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4048 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4049 | return -EOPNOTSUPP; | |
4050 | ||
4051 | if (!rdev->ops->change_beacon) | |
4052 | return -EOPNOTSUPP; | |
4053 | ||
4054 | if (!wdev->beacon_interval) | |
4055 | return -EINVAL; | |
4056 | ||
a1193be8 | 4057 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
4058 | if (err) |
4059 | return err; | |
4060 | ||
c56589ed SW |
4061 | wdev_lock(wdev); |
4062 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
4063 | wdev_unlock(wdev); | |
4064 | ||
4065 | return err; | |
8860020e JB |
4066 | } |
4067 | ||
4068 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 4069 | { |
4c476991 JB |
4070 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4071 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 4072 | |
7c8d5e03 | 4073 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
4074 | } |
4075 | ||
5727ef1b JB |
4076 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
4077 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
4078 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
4079 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 4080 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 4081 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 4082 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
4083 | }; |
4084 | ||
eccb8e8f | 4085 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 4086 | enum nl80211_iftype iftype, |
eccb8e8f | 4087 | struct station_parameters *params) |
5727ef1b JB |
4088 | { |
4089 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 4090 | struct nlattr *nla; |
5727ef1b JB |
4091 | int flag; |
4092 | ||
eccb8e8f JB |
4093 | /* |
4094 | * Try parsing the new attribute first so userspace | |
4095 | * can specify both for older kernels. | |
4096 | */ | |
4097 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
4098 | if (nla) { | |
4099 | struct nl80211_sta_flag_update *sta_flags; | |
4100 | ||
4101 | sta_flags = nla_data(nla); | |
4102 | params->sta_flags_mask = sta_flags->mask; | |
4103 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 4104 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
4105 | if ((params->sta_flags_mask | |
4106 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
4107 | return -EINVAL; | |
4108 | return 0; | |
4109 | } | |
4110 | ||
4111 | /* if present, parse the old attribute */ | |
5727ef1b | 4112 | |
eccb8e8f | 4113 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
4114 | if (!nla) |
4115 | return 0; | |
4116 | ||
4117 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
4118 | nla, sta_flags_policy)) | |
4119 | return -EINVAL; | |
4120 | ||
bdd3ae3d JB |
4121 | /* |
4122 | * Only allow certain flags for interface types so that | |
4123 | * other attributes are silently ignored. Remember that | |
4124 | * this is backward compatibility code with old userspace | |
4125 | * and shouldn't be hit in other cases anyway. | |
4126 | */ | |
4127 | switch (iftype) { | |
4128 | case NL80211_IFTYPE_AP: | |
4129 | case NL80211_IFTYPE_AP_VLAN: | |
4130 | case NL80211_IFTYPE_P2P_GO: | |
4131 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4132 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4133 | BIT(NL80211_STA_FLAG_WME) | | |
4134 | BIT(NL80211_STA_FLAG_MFP); | |
4135 | break; | |
4136 | case NL80211_IFTYPE_P2P_CLIENT: | |
4137 | case NL80211_IFTYPE_STATION: | |
4138 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4139 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4140 | break; | |
4141 | case NL80211_IFTYPE_MESH_POINT: | |
4142 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4143 | BIT(NL80211_STA_FLAG_MFP) | | |
4144 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
4145 | default: | |
4146 | return -EINVAL; | |
4147 | } | |
5727ef1b | 4148 | |
3383b5a6 JB |
4149 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
4150 | if (flags[flag]) { | |
eccb8e8f | 4151 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 4152 | |
3383b5a6 JB |
4153 | /* no longer support new API additions in old API */ |
4154 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
4155 | return -EINVAL; | |
4156 | } | |
4157 | } | |
4158 | ||
5727ef1b JB |
4159 | return 0; |
4160 | } | |
4161 | ||
c8dcfd8a FF |
4162 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
4163 | int attr) | |
4164 | { | |
4165 | struct nlattr *rate; | |
8eb41c8d VK |
4166 | u32 bitrate; |
4167 | u16 bitrate_compat; | |
b51f3bee | 4168 | enum nl80211_attrs rate_flg; |
c8dcfd8a FF |
4169 | |
4170 | rate = nla_nest_start(msg, attr); | |
4171 | if (!rate) | |
db9c64cf | 4172 | return false; |
c8dcfd8a FF |
4173 | |
4174 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
4175 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
4176 | /* report 16-bit bitrate only if we can */ |
4177 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
4178 | if (bitrate > 0 && |
4179 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
4180 | return false; | |
4181 | if (bitrate_compat > 0 && | |
4182 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
4183 | return false; | |
4184 | ||
b51f3bee JB |
4185 | switch (info->bw) { |
4186 | case RATE_INFO_BW_5: | |
4187 | rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH; | |
4188 | break; | |
4189 | case RATE_INFO_BW_10: | |
4190 | rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH; | |
4191 | break; | |
4192 | default: | |
4193 | WARN_ON(1); | |
4194 | /* fall through */ | |
4195 | case RATE_INFO_BW_20: | |
4196 | rate_flg = 0; | |
4197 | break; | |
4198 | case RATE_INFO_BW_40: | |
4199 | rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH; | |
4200 | break; | |
4201 | case RATE_INFO_BW_80: | |
4202 | rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH; | |
4203 | break; | |
4204 | case RATE_INFO_BW_160: | |
4205 | rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH; | |
4206 | break; | |
4207 | } | |
4208 | ||
4209 | if (rate_flg && nla_put_flag(msg, rate_flg)) | |
4210 | return false; | |
4211 | ||
db9c64cf JB |
4212 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
4213 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
4214 | return false; | |
db9c64cf JB |
4215 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4216 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4217 | return false; | |
4218 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
4219 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
4220 | return false; | |
4221 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
4222 | return false; | |
db9c64cf JB |
4223 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4224 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4225 | return false; | |
4226 | } | |
c8dcfd8a FF |
4227 | |
4228 | nla_nest_end(msg, rate); | |
4229 | return true; | |
c8dcfd8a FF |
4230 | } |
4231 | ||
119363c7 FF |
4232 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
4233 | int id) | |
4234 | { | |
4235 | void *attr; | |
4236 | int i = 0; | |
4237 | ||
4238 | if (!mask) | |
4239 | return true; | |
4240 | ||
4241 | attr = nla_nest_start(msg, id); | |
4242 | if (!attr) | |
4243 | return false; | |
4244 | ||
4245 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
4246 | if (!(mask & BIT(i))) | |
4247 | continue; | |
4248 | ||
4249 | if (nla_put_u8(msg, i, signal[i])) | |
4250 | return false; | |
4251 | } | |
4252 | ||
4253 | nla_nest_end(msg, attr); | |
4254 | ||
4255 | return true; | |
4256 | } | |
4257 | ||
cf5ead82 JB |
4258 | static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, |
4259 | u32 seq, int flags, | |
66266b3a JL |
4260 | struct cfg80211_registered_device *rdev, |
4261 | struct net_device *dev, | |
98b62183 | 4262 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
4263 | { |
4264 | void *hdr; | |
f4263c98 | 4265 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 4266 | |
cf5ead82 | 4267 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
fd5b74dc JB |
4268 | if (!hdr) |
4269 | return -1; | |
4270 | ||
9360ffd1 DM |
4271 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4272 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
4273 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
4274 | goto nla_put_failure; | |
f5ea9120 | 4275 | |
2ec600d6 LCC |
4276 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
4277 | if (!sinfoattr) | |
fd5b74dc | 4278 | goto nla_put_failure; |
319090bf JB |
4279 | |
4280 | #define PUT_SINFO(attr, memb, type) do { \ | |
d686b920 | 4281 | BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \ |
739960f1 | 4282 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ |
319090bf JB |
4283 | nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ |
4284 | sinfo->memb)) \ | |
4285 | goto nla_put_failure; \ | |
4286 | } while (0) | |
d686b920 JB |
4287 | #define PUT_SINFO_U64(attr, memb) do { \ |
4288 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ | |
4289 | nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \ | |
4290 | sinfo->memb, NL80211_STA_INFO_PAD)) \ | |
4291 | goto nla_put_failure; \ | |
4292 | } while (0) | |
319090bf JB |
4293 | |
4294 | PUT_SINFO(CONNECTED_TIME, connected_time, u32); | |
4295 | PUT_SINFO(INACTIVE_TIME, inactive_time, u32); | |
4296 | ||
4297 | if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) | | |
4298 | BIT(NL80211_STA_INFO_RX_BYTES64)) && | |
9360ffd1 | 4299 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 4300 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 4301 | goto nla_put_failure; |
319090bf JB |
4302 | |
4303 | if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) | | |
4304 | BIT(NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 4305 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
4306 | (u32)sinfo->tx_bytes)) |
4307 | goto nla_put_failure; | |
319090bf | 4308 | |
d686b920 JB |
4309 | PUT_SINFO_U64(RX_BYTES64, rx_bytes); |
4310 | PUT_SINFO_U64(TX_BYTES64, tx_bytes); | |
319090bf JB |
4311 | PUT_SINFO(LLID, llid, u16); |
4312 | PUT_SINFO(PLID, plid, u16); | |
4313 | PUT_SINFO(PLINK_STATE, plink_state, u8); | |
d686b920 | 4314 | PUT_SINFO_U64(RX_DURATION, rx_duration); |
319090bf | 4315 | |
66266b3a JL |
4316 | switch (rdev->wiphy.signal_type) { |
4317 | case CFG80211_SIGNAL_TYPE_MBM: | |
319090bf JB |
4318 | PUT_SINFO(SIGNAL, signal, u8); |
4319 | PUT_SINFO(SIGNAL_AVG, signal_avg, u8); | |
66266b3a JL |
4320 | break; |
4321 | default: | |
4322 | break; | |
4323 | } | |
319090bf | 4324 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) { |
119363c7 FF |
4325 | if (!nl80211_put_signal(msg, sinfo->chains, |
4326 | sinfo->chain_signal, | |
4327 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
4328 | goto nla_put_failure; | |
4329 | } | |
319090bf | 4330 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { |
119363c7 FF |
4331 | if (!nl80211_put_signal(msg, sinfo->chains, |
4332 | sinfo->chain_signal_avg, | |
4333 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
4334 | goto nla_put_failure; | |
4335 | } | |
319090bf | 4336 | if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) { |
c8dcfd8a FF |
4337 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
4338 | NL80211_STA_INFO_TX_BITRATE)) | |
4339 | goto nla_put_failure; | |
4340 | } | |
319090bf | 4341 | if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) { |
c8dcfd8a FF |
4342 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
4343 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 4344 | goto nla_put_failure; |
420e7fab | 4345 | } |
319090bf JB |
4346 | |
4347 | PUT_SINFO(RX_PACKETS, rx_packets, u32); | |
4348 | PUT_SINFO(TX_PACKETS, tx_packets, u32); | |
4349 | PUT_SINFO(TX_RETRIES, tx_retries, u32); | |
4350 | PUT_SINFO(TX_FAILED, tx_failed, u32); | |
4351 | PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); | |
4352 | PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); | |
4353 | PUT_SINFO(LOCAL_PM, local_pm, u32); | |
4354 | PUT_SINFO(PEER_PM, peer_pm, u32); | |
4355 | PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); | |
4356 | ||
4357 | if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) { | |
f4263c98 PS |
4358 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); |
4359 | if (!bss_param) | |
4360 | goto nla_put_failure; | |
4361 | ||
9360ffd1 DM |
4362 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
4363 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
4364 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
4365 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
4366 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
4367 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
4368 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
4369 | sinfo->bss_param.dtim_period) || | |
4370 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
4371 | sinfo->bss_param.beacon_interval)) | |
4372 | goto nla_put_failure; | |
f4263c98 PS |
4373 | |
4374 | nla_nest_end(msg, bss_param); | |
4375 | } | |
319090bf | 4376 | if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) && |
9360ffd1 DM |
4377 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, |
4378 | sizeof(struct nl80211_sta_flag_update), | |
4379 | &sinfo->sta_flags)) | |
4380 | goto nla_put_failure; | |
319090bf | 4381 | |
d686b920 JB |
4382 | PUT_SINFO_U64(T_OFFSET, t_offset); |
4383 | PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); | |
4384 | PUT_SINFO_U64(BEACON_RX, rx_beacon); | |
a76b1942 | 4385 | PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); |
319090bf JB |
4386 | |
4387 | #undef PUT_SINFO | |
d686b920 | 4388 | #undef PUT_SINFO_U64 |
6de39808 JB |
4389 | |
4390 | if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) { | |
4391 | struct nlattr *tidsattr; | |
4392 | int tid; | |
4393 | ||
4394 | tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS); | |
4395 | if (!tidsattr) | |
4396 | goto nla_put_failure; | |
4397 | ||
4398 | for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { | |
4399 | struct cfg80211_tid_stats *tidstats; | |
4400 | struct nlattr *tidattr; | |
4401 | ||
4402 | tidstats = &sinfo->pertid[tid]; | |
4403 | ||
4404 | if (!tidstats->filled) | |
4405 | continue; | |
4406 | ||
4407 | tidattr = nla_nest_start(msg, tid + 1); | |
4408 | if (!tidattr) | |
4409 | goto nla_put_failure; | |
4410 | ||
d686b920 | 4411 | #define PUT_TIDVAL_U64(attr, memb) do { \ |
6de39808 | 4412 | if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ |
d686b920 JB |
4413 | nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \ |
4414 | tidstats->memb, NL80211_TID_STATS_PAD)) \ | |
6de39808 JB |
4415 | goto nla_put_failure; \ |
4416 | } while (0) | |
4417 | ||
d686b920 JB |
4418 | PUT_TIDVAL_U64(RX_MSDU, rx_msdu); |
4419 | PUT_TIDVAL_U64(TX_MSDU, tx_msdu); | |
4420 | PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries); | |
4421 | PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed); | |
6de39808 | 4422 | |
d686b920 | 4423 | #undef PUT_TIDVAL_U64 |
6de39808 JB |
4424 | nla_nest_end(msg, tidattr); |
4425 | } | |
4426 | ||
4427 | nla_nest_end(msg, tidsattr); | |
4428 | } | |
4429 | ||
2ec600d6 | 4430 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 4431 | |
319090bf | 4432 | if (sinfo->assoc_req_ies_len && |
9360ffd1 DM |
4433 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
4434 | sinfo->assoc_req_ies)) | |
4435 | goto nla_put_failure; | |
50d3dfb7 | 4436 | |
053c095a JB |
4437 | genlmsg_end(msg, hdr); |
4438 | return 0; | |
fd5b74dc JB |
4439 | |
4440 | nla_put_failure: | |
bc3ed28c TG |
4441 | genlmsg_cancel(msg, hdr); |
4442 | return -EMSGSIZE; | |
fd5b74dc JB |
4443 | } |
4444 | ||
2ec600d6 | 4445 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 4446 | struct netlink_callback *cb) |
2ec600d6 | 4447 | { |
2ec600d6 | 4448 | struct station_info sinfo; |
1b8ec87a | 4449 | struct cfg80211_registered_device *rdev; |
97990a06 | 4450 | struct wireless_dev *wdev; |
2ec600d6 | 4451 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 4452 | int sta_idx = cb->args[2]; |
2ec600d6 | 4453 | int err; |
2ec600d6 | 4454 | |
1b8ec87a | 4455 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4456 | if (err) |
4457 | return err; | |
bba95fef | 4458 | |
97990a06 JB |
4459 | if (!wdev->netdev) { |
4460 | err = -EINVAL; | |
4461 | goto out_err; | |
4462 | } | |
4463 | ||
1b8ec87a | 4464 | if (!rdev->ops->dump_station) { |
eec60b03 | 4465 | err = -EOPNOTSUPP; |
bba95fef JB |
4466 | goto out_err; |
4467 | } | |
4468 | ||
bba95fef | 4469 | while (1) { |
f612cedf | 4470 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 4471 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 4472 | mac_addr, &sinfo); |
bba95fef JB |
4473 | if (err == -ENOENT) |
4474 | break; | |
4475 | if (err) | |
3b85875a | 4476 | goto out_err; |
bba95fef | 4477 | |
cf5ead82 | 4478 | if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, |
15e47304 | 4479 | NETLINK_CB(cb->skb).portid, |
bba95fef | 4480 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 4481 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
4482 | &sinfo) < 0) |
4483 | goto out; | |
4484 | ||
4485 | sta_idx++; | |
4486 | } | |
4487 | ||
bba95fef | 4488 | out: |
97990a06 | 4489 | cb->args[2] = sta_idx; |
bba95fef | 4490 | err = skb->len; |
bba95fef | 4491 | out_err: |
1b8ec87a | 4492 | nl80211_finish_wdev_dump(rdev); |
bba95fef JB |
4493 | |
4494 | return err; | |
2ec600d6 | 4495 | } |
fd5b74dc | 4496 | |
5727ef1b JB |
4497 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
4498 | { | |
4c476991 JB |
4499 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4500 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 4501 | struct station_info sinfo; |
fd5b74dc JB |
4502 | struct sk_buff *msg; |
4503 | u8 *mac_addr = NULL; | |
4c476991 | 4504 | int err; |
fd5b74dc | 4505 | |
2ec600d6 | 4506 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
4507 | |
4508 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4509 | return -EINVAL; | |
4510 | ||
4511 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4512 | ||
4c476991 JB |
4513 | if (!rdev->ops->get_station) |
4514 | return -EOPNOTSUPP; | |
3b85875a | 4515 | |
e35e4d28 | 4516 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 4517 | if (err) |
4c476991 | 4518 | return err; |
2ec600d6 | 4519 | |
fd2120ca | 4520 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 4521 | if (!msg) |
4c476991 | 4522 | return -ENOMEM; |
fd5b74dc | 4523 | |
cf5ead82 JB |
4524 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, |
4525 | info->snd_portid, info->snd_seq, 0, | |
66266b3a | 4526 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
4527 | nlmsg_free(msg); |
4528 | return -ENOBUFS; | |
4529 | } | |
3b85875a | 4530 | |
4c476991 | 4531 | return genlmsg_reply(msg, info); |
5727ef1b JB |
4532 | } |
4533 | ||
77ee7c89 JB |
4534 | int cfg80211_check_station_change(struct wiphy *wiphy, |
4535 | struct station_parameters *params, | |
4536 | enum cfg80211_station_type statype) | |
4537 | { | |
e4208427 AB |
4538 | if (params->listen_interval != -1 && |
4539 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 | 4540 | return -EINVAL; |
e4208427 | 4541 | |
17b94247 AB |
4542 | if (params->support_p2p_ps != -1 && |
4543 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
4544 | return -EINVAL; | |
4545 | ||
c72e1140 | 4546 | if (params->aid && |
e4208427 AB |
4547 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && |
4548 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 JB |
4549 | return -EINVAL; |
4550 | ||
4551 | /* When you run into this, adjust the code below for the new flag */ | |
4552 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4553 | ||
4554 | switch (statype) { | |
eef941e6 TP |
4555 | case CFG80211_STA_MESH_PEER_KERNEL: |
4556 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
4557 | /* |
4558 | * No ignoring the TDLS flag here -- the userspace mesh | |
4559 | * code doesn't have the bug of including TDLS in the | |
4560 | * mask everywhere. | |
4561 | */ | |
4562 | if (params->sta_flags_mask & | |
4563 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4564 | BIT(NL80211_STA_FLAG_MFP) | | |
4565 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4566 | return -EINVAL; | |
4567 | break; | |
4568 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4569 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4570 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4571 | return -EINVAL; | |
4572 | /* ignore since it can't change */ | |
4573 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4574 | break; | |
4575 | default: | |
4576 | /* disallow mesh-specific things */ | |
4577 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
4578 | return -EINVAL; | |
4579 | if (params->local_pm) | |
4580 | return -EINVAL; | |
4581 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
4582 | return -EINVAL; | |
4583 | } | |
4584 | ||
4585 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
4586 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
4587 | /* TDLS can't be set, ... */ | |
4588 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4589 | return -EINVAL; | |
4590 | /* | |
4591 | * ... but don't bother the driver with it. This works around | |
4592 | * a hostapd/wpa_supplicant issue -- it always includes the | |
4593 | * TLDS_PEER flag in the mask even for AP mode. | |
4594 | */ | |
4595 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4596 | } | |
4597 | ||
47edb11b AB |
4598 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && |
4599 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4600 | /* reject other things that can't change */ |
4601 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
4602 | return -EINVAL; | |
4603 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
4604 | return -EINVAL; | |
4605 | if (params->supported_rates) | |
4606 | return -EINVAL; | |
4607 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
4608 | return -EINVAL; | |
4609 | } | |
4610 | ||
47edb11b AB |
4611 | if (statype != CFG80211_STA_AP_CLIENT && |
4612 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4613 | if (params->vlan) |
4614 | return -EINVAL; | |
4615 | } | |
4616 | ||
4617 | switch (statype) { | |
4618 | case CFG80211_STA_AP_MLME_CLIENT: | |
4619 | /* Use this only for authorizing/unauthorizing a station */ | |
4620 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4621 | return -EOPNOTSUPP; | |
4622 | break; | |
4623 | case CFG80211_STA_AP_CLIENT: | |
47edb11b | 4624 | case CFG80211_STA_AP_CLIENT_UNASSOC: |
77ee7c89 JB |
4625 | /* accept only the listed bits */ |
4626 | if (params->sta_flags_mask & | |
4627 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4628 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4629 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4630 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4631 | BIT(NL80211_STA_FLAG_WME) | | |
4632 | BIT(NL80211_STA_FLAG_MFP))) | |
4633 | return -EINVAL; | |
4634 | ||
4635 | /* but authenticated/associated only if driver handles it */ | |
4636 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4637 | params->sta_flags_mask & | |
4638 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4639 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4640 | return -EINVAL; | |
4641 | break; | |
4642 | case CFG80211_STA_IBSS: | |
4643 | case CFG80211_STA_AP_STA: | |
4644 | /* reject any changes other than AUTHORIZED */ | |
4645 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4646 | return -EINVAL; | |
4647 | break; | |
4648 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4649 | /* reject any changes other than AUTHORIZED or WME */ | |
4650 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4651 | BIT(NL80211_STA_FLAG_WME))) | |
4652 | return -EINVAL; | |
4653 | /* force (at least) rates when authorizing */ | |
4654 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4655 | !params->supported_rates) | |
4656 | return -EINVAL; | |
4657 | break; | |
4658 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4659 | /* reject any changes */ | |
4660 | return -EINVAL; | |
eef941e6 | 4661 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4662 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4663 | return -EINVAL; | |
4664 | break; | |
eef941e6 | 4665 | case CFG80211_STA_MESH_PEER_USER: |
42925040 CYY |
4666 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && |
4667 | params->plink_action != NL80211_PLINK_ACTION_BLOCK) | |
77ee7c89 JB |
4668 | return -EINVAL; |
4669 | break; | |
4670 | } | |
4671 | ||
06f7c88c BL |
4672 | /* |
4673 | * Older kernel versions ignored this attribute entirely, so don't | |
4674 | * reject attempts to update it but mark it as unused instead so the | |
4675 | * driver won't look at the data. | |
4676 | */ | |
4677 | if (statype != CFG80211_STA_AP_CLIENT_UNASSOC && | |
4678 | statype != CFG80211_STA_TDLS_PEER_SETUP) | |
4679 | params->opmode_notif_used = false; | |
4680 | ||
77ee7c89 JB |
4681 | return 0; |
4682 | } | |
4683 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4684 | ||
5727ef1b | 4685 | /* |
c258d2de | 4686 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4687 | */ |
80b99899 JB |
4688 | static struct net_device *get_vlan(struct genl_info *info, |
4689 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4690 | { |
463d0183 | 4691 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4692 | struct net_device *v; |
4693 | int ret; | |
4694 | ||
4695 | if (!vlanattr) | |
4696 | return NULL; | |
4697 | ||
4698 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4699 | if (!v) | |
4700 | return ERR_PTR(-ENODEV); | |
4701 | ||
4702 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4703 | ret = -EINVAL; | |
4704 | goto error; | |
5727ef1b | 4705 | } |
80b99899 | 4706 | |
77ee7c89 JB |
4707 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4708 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4709 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4710 | ret = -EINVAL; | |
4711 | goto error; | |
4712 | } | |
4713 | ||
80b99899 JB |
4714 | if (!netif_running(v)) { |
4715 | ret = -ENETDOWN; | |
4716 | goto error; | |
4717 | } | |
4718 | ||
4719 | return v; | |
4720 | error: | |
4721 | dev_put(v); | |
4722 | return ERR_PTR(ret); | |
5727ef1b JB |
4723 | } |
4724 | ||
94e860f1 JB |
4725 | static const struct nla_policy |
4726 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4727 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4728 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4729 | }; | |
4730 | ||
ff276691 JB |
4731 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4732 | struct station_parameters *params) | |
df881293 | 4733 | { |
df881293 JM |
4734 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4735 | struct nlattr *nla; | |
4736 | int err; | |
4737 | ||
df881293 JM |
4738 | /* parse WME attributes if present */ |
4739 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4740 | return 0; | |
4741 | ||
4742 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4743 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4744 | nl80211_sta_wme_policy); | |
4745 | if (err) | |
4746 | return err; | |
4747 | ||
4748 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4749 | params->uapsd_queues = nla_get_u8( | |
4750 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4751 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4752 | return -EINVAL; | |
4753 | ||
4754 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4755 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4756 | ||
4757 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4758 | return -EINVAL; | |
4759 | ||
4760 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4761 | ||
4762 | return 0; | |
4763 | } | |
4764 | ||
c01fc9ad SD |
4765 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4766 | struct station_parameters *params) | |
4767 | { | |
4768 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4769 | params->supported_channels = | |
4770 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4771 | params->supported_channels_len = | |
4772 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4773 | /* | |
4774 | * Need to include at least one (first channel, number of | |
4775 | * channels) tuple for each subband, and must have proper | |
4776 | * tuples for the rest of the data as well. | |
4777 | */ | |
4778 | if (params->supported_channels_len < 2) | |
4779 | return -EINVAL; | |
4780 | if (params->supported_channels_len % 2) | |
4781 | return -EINVAL; | |
4782 | } | |
4783 | ||
4784 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4785 | params->supported_oper_classes = | |
4786 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4787 | params->supported_oper_classes_len = | |
4788 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4789 | /* | |
4790 | * The value of the Length field of the Supported Operating | |
4791 | * Classes element is between 2 and 253. | |
4792 | */ | |
4793 | if (params->supported_oper_classes_len < 2 || | |
4794 | params->supported_oper_classes_len > 253) | |
4795 | return -EINVAL; | |
4796 | } | |
4797 | return 0; | |
4798 | } | |
4799 | ||
ff276691 JB |
4800 | static int nl80211_set_station_tdls(struct genl_info *info, |
4801 | struct station_parameters *params) | |
4802 | { | |
c01fc9ad | 4803 | int err; |
ff276691 | 4804 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4805 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4806 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4807 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4808 | params->ht_capa = | |
4809 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4810 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4811 | params->vht_capa = | |
4812 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4813 | ||
c01fc9ad SD |
4814 | err = nl80211_parse_sta_channel_info(info, params); |
4815 | if (err) | |
4816 | return err; | |
4817 | ||
ff276691 JB |
4818 | return nl80211_parse_sta_wme(info, params); |
4819 | } | |
4820 | ||
5727ef1b JB |
4821 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4822 | { | |
4c476991 | 4823 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4824 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4825 | struct station_parameters params; |
77ee7c89 JB |
4826 | u8 *mac_addr; |
4827 | int err; | |
5727ef1b JB |
4828 | |
4829 | memset(¶ms, 0, sizeof(params)); | |
4830 | ||
77ee7c89 JB |
4831 | if (!rdev->ops->change_station) |
4832 | return -EOPNOTSUPP; | |
4833 | ||
e4208427 AB |
4834 | /* |
4835 | * AID and listen_interval properties can be set only for unassociated | |
4836 | * station. Include these parameters here and will check them in | |
4837 | * cfg80211_check_station_change(). | |
4838 | */ | |
a9bc31e4 AB |
4839 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4840 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
e4208427 AB |
4841 | |
4842 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
4843 | params.listen_interval = | |
4844 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
4845 | else | |
4846 | params.listen_interval = -1; | |
5727ef1b | 4847 | |
17b94247 AB |
4848 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4849 | u8 tmp; | |
4850 | ||
4851 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4852 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4853 | return -EINVAL; | |
4854 | ||
4855 | params.support_p2p_ps = tmp; | |
4856 | } else { | |
4857 | params.support_p2p_ps = -1; | |
4858 | } | |
4859 | ||
5727ef1b JB |
4860 | if (!info->attrs[NL80211_ATTR_MAC]) |
4861 | return -EINVAL; | |
4862 | ||
4863 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4864 | ||
4865 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4866 | params.supported_rates = | |
4867 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4868 | params.supported_rates_len = | |
4869 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4870 | } | |
4871 | ||
9d62a986 JM |
4872 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4873 | params.capability = | |
4874 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4875 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4876 | } | |
4877 | ||
4878 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4879 | params.ext_capab = | |
4880 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4881 | params.ext_capab_len = | |
4882 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4883 | } | |
4884 | ||
bdd3ae3d | 4885 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4886 | return -EINVAL; |
4887 | ||
f8bacc21 | 4888 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4889 | params.plink_action = |
f8bacc21 JB |
4890 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4891 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4892 | return -EINVAL; | |
4893 | } | |
2ec600d6 | 4894 | |
f8bacc21 | 4895 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4896 | params.plink_state = |
f8bacc21 JB |
4897 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4898 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4899 | return -EINVAL; | |
7d27a0ba MH |
4900 | if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) { |
4901 | params.peer_aid = nla_get_u16( | |
4902 | info->attrs[NL80211_ATTR_MESH_PEER_AID]); | |
4903 | if (params.peer_aid > IEEE80211_MAX_AID) | |
4904 | return -EINVAL; | |
4905 | } | |
f8bacc21 JB |
4906 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; |
4907 | } | |
9c3990aa | 4908 | |
3b1c5a53 MP |
4909 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4910 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4911 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4912 | ||
4913 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4914 | pm > NL80211_MESH_POWER_MAX) | |
4915 | return -EINVAL; | |
4916 | ||
4917 | params.local_pm = pm; | |
4918 | } | |
4919 | ||
06f7c88c BL |
4920 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4921 | params.opmode_notif_used = true; | |
4922 | params.opmode_notif = | |
4923 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4924 | } | |
4925 | ||
77ee7c89 JB |
4926 | /* Include parameters for TDLS peer (will check later) */ |
4927 | err = nl80211_set_station_tdls(info, ¶ms); | |
4928 | if (err) | |
4929 | return err; | |
4930 | ||
4931 | params.vlan = get_vlan(info, rdev); | |
4932 | if (IS_ERR(params.vlan)) | |
4933 | return PTR_ERR(params.vlan); | |
4934 | ||
a97f4424 JB |
4935 | switch (dev->ieee80211_ptr->iftype) { |
4936 | case NL80211_IFTYPE_AP: | |
4937 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4938 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4939 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4940 | case NL80211_IFTYPE_STATION: |
267335d6 | 4941 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4942 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4943 | break; |
4944 | default: | |
77ee7c89 JB |
4945 | err = -EOPNOTSUPP; |
4946 | goto out_put_vlan; | |
034d655e JB |
4947 | } |
4948 | ||
77ee7c89 | 4949 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4950 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4951 | |
77ee7c89 | 4952 | out_put_vlan: |
5727ef1b JB |
4953 | if (params.vlan) |
4954 | dev_put(params.vlan); | |
3b85875a | 4955 | |
5727ef1b JB |
4956 | return err; |
4957 | } | |
4958 | ||
4959 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4960 | { | |
4c476991 | 4961 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4962 | int err; |
4c476991 | 4963 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4964 | struct station_parameters params; |
4965 | u8 *mac_addr = NULL; | |
bda95eb1 JB |
4966 | u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
4967 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
5727ef1b JB |
4968 | |
4969 | memset(¶ms, 0, sizeof(params)); | |
4970 | ||
984c311b JB |
4971 | if (!rdev->ops->add_station) |
4972 | return -EOPNOTSUPP; | |
4973 | ||
5727ef1b JB |
4974 | if (!info->attrs[NL80211_ATTR_MAC]) |
4975 | return -EINVAL; | |
4976 | ||
5727ef1b JB |
4977 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4978 | return -EINVAL; | |
4979 | ||
4980 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4981 | return -EINVAL; | |
4982 | ||
5e4b6f56 JM |
4983 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4984 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4985 | return -EINVAL; |
4986 | ||
5727ef1b JB |
4987 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4988 | params.supported_rates = | |
4989 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4990 | params.supported_rates_len = | |
4991 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4992 | params.listen_interval = | |
4993 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4994 | |
17b94247 AB |
4995 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4996 | u8 tmp; | |
4997 | ||
4998 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4999 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
5000 | return -EINVAL; | |
5001 | ||
5002 | params.support_p2p_ps = tmp; | |
5003 | } else { | |
5004 | /* | |
5005 | * if not specified, assume it's supported for P2P GO interface, | |
5006 | * and is NOT supported for AP interface | |
5007 | */ | |
5008 | params.support_p2p_ps = | |
5009 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO; | |
5010 | } | |
5011 | ||
3d124ea2 | 5012 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 5013 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
5014 | else |
5015 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
5016 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
5017 | return -EINVAL; | |
51b50fbe | 5018 | |
9d62a986 JM |
5019 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
5020 | params.capability = | |
5021 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
5022 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
5023 | } | |
5024 | ||
5025 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
5026 | params.ext_capab = | |
5027 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5028 | params.ext_capab_len = | |
5029 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5030 | } | |
5031 | ||
36aedc90 JM |
5032 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
5033 | params.ht_capa = | |
5034 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 5035 | |
f461be3e MP |
5036 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
5037 | params.vht_capa = | |
5038 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
5039 | ||
60f4a7b1 MK |
5040 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
5041 | params.opmode_notif_used = true; | |
5042 | params.opmode_notif = | |
5043 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
5044 | } | |
5045 | ||
f8bacc21 | 5046 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 5047 | params.plink_action = |
f8bacc21 JB |
5048 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
5049 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
5050 | return -EINVAL; | |
5051 | } | |
96b78dff | 5052 | |
c01fc9ad SD |
5053 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
5054 | if (err) | |
5055 | return err; | |
5056 | ||
ff276691 JB |
5057 | err = nl80211_parse_sta_wme(info, ¶ms); |
5058 | if (err) | |
5059 | return err; | |
bdd90d5e | 5060 | |
bdd3ae3d | 5061 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
5062 | return -EINVAL; |
5063 | ||
496fcc29 JB |
5064 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
5065 | * as userspace might just pass through the capabilities from the IEs | |
5066 | * directly, rather than enforcing this restriction and returning an | |
5067 | * error in this case. | |
5068 | */ | |
5069 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
5070 | params.ht_capa = NULL; | |
5071 | params.vht_capa = NULL; | |
5072 | } | |
5073 | ||
77ee7c89 JB |
5074 | /* When you run into this, adjust the code below for the new flag */ |
5075 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
5076 | ||
bdd90d5e JB |
5077 | switch (dev->ieee80211_ptr->iftype) { |
5078 | case NL80211_IFTYPE_AP: | |
5079 | case NL80211_IFTYPE_AP_VLAN: | |
5080 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
5081 | /* ignore WME attributes if iface/sta is not capable */ |
5082 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
5083 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
5084 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 5085 | |
bdd90d5e | 5086 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5087 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5088 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 5089 | return -EINVAL; |
bdd90d5e JB |
5090 | /* but don't bother the driver with it */ |
5091 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 5092 | |
d582cffb JB |
5093 | /* allow authenticated/associated only if driver handles it */ |
5094 | if (!(rdev->wiphy.features & | |
5095 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
bda95eb1 | 5096 | params.sta_flags_mask & auth_assoc) |
d582cffb JB |
5097 | return -EINVAL; |
5098 | ||
bda95eb1 JB |
5099 | /* Older userspace, or userspace wanting to be compatible with |
5100 | * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth | |
5101 | * and assoc flags in the mask, but assumes the station will be | |
5102 | * added as associated anyway since this was the required driver | |
5103 | * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was | |
5104 | * introduced. | |
5105 | * In order to not bother drivers with this quirk in the API | |
5106 | * set the flags in both the mask and set for new stations in | |
5107 | * this case. | |
5108 | */ | |
5109 | if (!(params.sta_flags_mask & auth_assoc)) { | |
5110 | params.sta_flags_mask |= auth_assoc; | |
5111 | params.sta_flags_set |= auth_assoc; | |
5112 | } | |
5113 | ||
bdd90d5e JB |
5114 | /* must be last in here for error handling */ |
5115 | params.vlan = get_vlan(info, rdev); | |
5116 | if (IS_ERR(params.vlan)) | |
5117 | return PTR_ERR(params.vlan); | |
5118 | break; | |
5119 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
5120 | /* ignore uAPSD data */ |
5121 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5122 | ||
d582cffb JB |
5123 | /* associated is disallowed */ |
5124 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
5125 | return -EINVAL; | |
bdd90d5e | 5126 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5127 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5128 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
5129 | return -EINVAL; |
5130 | break; | |
5131 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 5132 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
5133 | /* ignore uAPSD data */ |
5134 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5135 | ||
77ee7c89 JB |
5136 | /* these are disallowed */ |
5137 | if (params.sta_flags_mask & | |
5138 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
5139 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 5140 | return -EINVAL; |
bdd90d5e JB |
5141 | /* Only TDLS peers can be added */ |
5142 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
5143 | return -EINVAL; | |
5144 | /* Can only add if TDLS ... */ | |
5145 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
5146 | return -EOPNOTSUPP; | |
5147 | /* ... with external setup is supported */ | |
5148 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
5149 | return -EOPNOTSUPP; | |
77ee7c89 JB |
5150 | /* |
5151 | * Older wpa_supplicant versions always mark the TDLS peer | |
5152 | * as authorized, but it shouldn't yet be. | |
5153 | */ | |
5154 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
5155 | break; |
5156 | default: | |
5157 | return -EOPNOTSUPP; | |
c75786c9 EP |
5158 | } |
5159 | ||
bdd90d5e | 5160 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 5161 | |
e35e4d28 | 5162 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 5163 | |
5727ef1b JB |
5164 | if (params.vlan) |
5165 | dev_put(params.vlan); | |
5727ef1b JB |
5166 | return err; |
5167 | } | |
5168 | ||
5169 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
5170 | { | |
4c476991 JB |
5171 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5172 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
5173 | struct station_del_parameters params; |
5174 | ||
5175 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
5176 | |
5177 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 5178 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 5179 | |
e80cf853 | 5180 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 5181 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 5182 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5183 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5184 | return -EINVAL; | |
5727ef1b | 5185 | |
4c476991 JB |
5186 | if (!rdev->ops->del_station) |
5187 | return -EOPNOTSUPP; | |
3b85875a | 5188 | |
98856866 JM |
5189 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
5190 | params.subtype = | |
5191 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
5192 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
5193 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
5194 | return -EINVAL; | |
5195 | } else { | |
5196 | /* Default to Deauthentication frame */ | |
5197 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
5198 | } | |
5199 | ||
5200 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
5201 | params.reason_code = | |
5202 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
5203 | if (params.reason_code == 0) | |
5204 | return -EINVAL; /* 0 is reserved */ | |
5205 | } else { | |
5206 | /* Default to reason code 2 */ | |
5207 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
5208 | } | |
5209 | ||
89c771e5 | 5210 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
5211 | } |
5212 | ||
15e47304 | 5213 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
5214 | int flags, struct net_device *dev, |
5215 | u8 *dst, u8 *next_hop, | |
5216 | struct mpath_info *pinfo) | |
5217 | { | |
5218 | void *hdr; | |
5219 | struct nlattr *pinfoattr; | |
5220 | ||
1ef4c850 | 5221 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
5222 | if (!hdr) |
5223 | return -1; | |
5224 | ||
9360ffd1 DM |
5225 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5226 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
5227 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
5228 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
5229 | goto nla_put_failure; | |
f5ea9120 | 5230 | |
2ec600d6 LCC |
5231 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
5232 | if (!pinfoattr) | |
5233 | goto nla_put_failure; | |
9360ffd1 DM |
5234 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
5235 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
5236 | pinfo->frame_qlen)) | |
5237 | goto nla_put_failure; | |
5238 | if (((pinfo->filled & MPATH_INFO_SN) && | |
5239 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
5240 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
5241 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
5242 | pinfo->metric)) || | |
5243 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
5244 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
5245 | pinfo->exptime)) || | |
5246 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
5247 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
5248 | pinfo->flags)) || | |
5249 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
5250 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
5251 | pinfo->discovery_timeout)) || | |
5252 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
5253 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
5254 | pinfo->discovery_retries))) | |
5255 | goto nla_put_failure; | |
2ec600d6 LCC |
5256 | |
5257 | nla_nest_end(msg, pinfoattr); | |
5258 | ||
053c095a JB |
5259 | genlmsg_end(msg, hdr); |
5260 | return 0; | |
2ec600d6 LCC |
5261 | |
5262 | nla_put_failure: | |
bc3ed28c TG |
5263 | genlmsg_cancel(msg, hdr); |
5264 | return -EMSGSIZE; | |
2ec600d6 LCC |
5265 | } |
5266 | ||
5267 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 5268 | struct netlink_callback *cb) |
2ec600d6 | 5269 | { |
2ec600d6 | 5270 | struct mpath_info pinfo; |
1b8ec87a | 5271 | struct cfg80211_registered_device *rdev; |
97990a06 | 5272 | struct wireless_dev *wdev; |
2ec600d6 LCC |
5273 | u8 dst[ETH_ALEN]; |
5274 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 5275 | int path_idx = cb->args[2]; |
2ec600d6 | 5276 | int err; |
2ec600d6 | 5277 | |
1b8ec87a | 5278 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5279 | if (err) |
5280 | return err; | |
bba95fef | 5281 | |
1b8ec87a | 5282 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 5283 | err = -EOPNOTSUPP; |
bba95fef JB |
5284 | goto out_err; |
5285 | } | |
5286 | ||
97990a06 | 5287 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 5288 | err = -EOPNOTSUPP; |
0448b5fc | 5289 | goto out_err; |
eec60b03 JM |
5290 | } |
5291 | ||
bba95fef | 5292 | while (1) { |
1b8ec87a | 5293 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 5294 | next_hop, &pinfo); |
bba95fef | 5295 | if (err == -ENOENT) |
2ec600d6 | 5296 | break; |
bba95fef | 5297 | if (err) |
3b85875a | 5298 | goto out_err; |
2ec600d6 | 5299 | |
15e47304 | 5300 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 5301 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 5302 | wdev->netdev, dst, next_hop, |
bba95fef JB |
5303 | &pinfo) < 0) |
5304 | goto out; | |
2ec600d6 | 5305 | |
bba95fef | 5306 | path_idx++; |
2ec600d6 | 5307 | } |
2ec600d6 | 5308 | |
bba95fef | 5309 | out: |
97990a06 | 5310 | cb->args[2] = path_idx; |
bba95fef | 5311 | err = skb->len; |
bba95fef | 5312 | out_err: |
1b8ec87a | 5313 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 5314 | return err; |
2ec600d6 LCC |
5315 | } |
5316 | ||
5317 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
5318 | { | |
4c476991 | 5319 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 5320 | int err; |
4c476991 | 5321 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
5322 | struct mpath_info pinfo; |
5323 | struct sk_buff *msg; | |
5324 | u8 *dst = NULL; | |
5325 | u8 next_hop[ETH_ALEN]; | |
5326 | ||
5327 | memset(&pinfo, 0, sizeof(pinfo)); | |
5328 | ||
5329 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5330 | return -EINVAL; | |
5331 | ||
5332 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5333 | ||
4c476991 JB |
5334 | if (!rdev->ops->get_mpath) |
5335 | return -EOPNOTSUPP; | |
2ec600d6 | 5336 | |
4c476991 JB |
5337 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5338 | return -EOPNOTSUPP; | |
eec60b03 | 5339 | |
e35e4d28 | 5340 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 5341 | if (err) |
4c476991 | 5342 | return err; |
2ec600d6 | 5343 | |
fd2120ca | 5344 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 5345 | if (!msg) |
4c476991 | 5346 | return -ENOMEM; |
2ec600d6 | 5347 | |
15e47304 | 5348 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
5349 | dev, dst, next_hop, &pinfo) < 0) { |
5350 | nlmsg_free(msg); | |
5351 | return -ENOBUFS; | |
5352 | } | |
3b85875a | 5353 | |
4c476991 | 5354 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
5355 | } |
5356 | ||
5357 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
5358 | { | |
4c476991 JB |
5359 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5360 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5361 | u8 *dst = NULL; |
5362 | u8 *next_hop = NULL; | |
5363 | ||
5364 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5365 | return -EINVAL; | |
5366 | ||
5367 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5368 | return -EINVAL; | |
5369 | ||
5370 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5371 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5372 | ||
4c476991 JB |
5373 | if (!rdev->ops->change_mpath) |
5374 | return -EOPNOTSUPP; | |
35a8efe1 | 5375 | |
4c476991 JB |
5376 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5377 | return -EOPNOTSUPP; | |
2ec600d6 | 5378 | |
e35e4d28 | 5379 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 5380 | } |
4c476991 | 5381 | |
2ec600d6 LCC |
5382 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
5383 | { | |
4c476991 JB |
5384 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5385 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5386 | u8 *dst = NULL; |
5387 | u8 *next_hop = NULL; | |
5388 | ||
5389 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5390 | return -EINVAL; | |
5391 | ||
5392 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5393 | return -EINVAL; | |
5394 | ||
5395 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5396 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5397 | ||
4c476991 JB |
5398 | if (!rdev->ops->add_mpath) |
5399 | return -EOPNOTSUPP; | |
35a8efe1 | 5400 | |
4c476991 JB |
5401 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5402 | return -EOPNOTSUPP; | |
2ec600d6 | 5403 | |
e35e4d28 | 5404 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
5405 | } |
5406 | ||
5407 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
5408 | { | |
4c476991 JB |
5409 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5410 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5411 | u8 *dst = NULL; |
5412 | ||
5413 | if (info->attrs[NL80211_ATTR_MAC]) | |
5414 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5415 | ||
4c476991 JB |
5416 | if (!rdev->ops->del_mpath) |
5417 | return -EOPNOTSUPP; | |
3b85875a | 5418 | |
e35e4d28 | 5419 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
5420 | } |
5421 | ||
66be7d2b HR |
5422 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
5423 | { | |
5424 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5425 | int err; | |
5426 | struct net_device *dev = info->user_ptr[1]; | |
5427 | struct mpath_info pinfo; | |
5428 | struct sk_buff *msg; | |
5429 | u8 *dst = NULL; | |
5430 | u8 mpp[ETH_ALEN]; | |
5431 | ||
5432 | memset(&pinfo, 0, sizeof(pinfo)); | |
5433 | ||
5434 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5435 | return -EINVAL; | |
5436 | ||
5437 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5438 | ||
5439 | if (!rdev->ops->get_mpp) | |
5440 | return -EOPNOTSUPP; | |
5441 | ||
5442 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
5443 | return -EOPNOTSUPP; | |
5444 | ||
5445 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
5446 | if (err) | |
5447 | return err; | |
5448 | ||
5449 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5450 | if (!msg) | |
5451 | return -ENOMEM; | |
5452 | ||
5453 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
5454 | dev, dst, mpp, &pinfo) < 0) { | |
5455 | nlmsg_free(msg); | |
5456 | return -ENOBUFS; | |
5457 | } | |
5458 | ||
5459 | return genlmsg_reply(msg, info); | |
5460 | } | |
5461 | ||
5462 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
5463 | struct netlink_callback *cb) | |
5464 | { | |
5465 | struct mpath_info pinfo; | |
5466 | struct cfg80211_registered_device *rdev; | |
5467 | struct wireless_dev *wdev; | |
5468 | u8 dst[ETH_ALEN]; | |
5469 | u8 mpp[ETH_ALEN]; | |
5470 | int path_idx = cb->args[2]; | |
5471 | int err; | |
5472 | ||
5473 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); | |
5474 | if (err) | |
5475 | return err; | |
5476 | ||
5477 | if (!rdev->ops->dump_mpp) { | |
5478 | err = -EOPNOTSUPP; | |
5479 | goto out_err; | |
5480 | } | |
5481 | ||
5482 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
5483 | err = -EOPNOTSUPP; | |
5484 | goto out_err; | |
5485 | } | |
5486 | ||
5487 | while (1) { | |
5488 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
5489 | mpp, &pinfo); | |
5490 | if (err == -ENOENT) | |
5491 | break; | |
5492 | if (err) | |
5493 | goto out_err; | |
5494 | ||
5495 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
5496 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
5497 | wdev->netdev, dst, mpp, | |
5498 | &pinfo) < 0) | |
5499 | goto out; | |
5500 | ||
5501 | path_idx++; | |
5502 | } | |
5503 | ||
5504 | out: | |
5505 | cb->args[2] = path_idx; | |
5506 | err = skb->len; | |
5507 | out_err: | |
5508 | nl80211_finish_wdev_dump(rdev); | |
5509 | return err; | |
5510 | } | |
5511 | ||
9f1ba906 JM |
5512 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
5513 | { | |
4c476991 JB |
5514 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5515 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 5516 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 5517 | struct bss_parameters params; |
c56589ed | 5518 | int err; |
9f1ba906 JM |
5519 | |
5520 | memset(¶ms, 0, sizeof(params)); | |
5521 | /* default to not changing parameters */ | |
5522 | params.use_cts_prot = -1; | |
5523 | params.use_short_preamble = -1; | |
5524 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 5525 | params.ap_isolate = -1; |
50b12f59 | 5526 | params.ht_opmode = -1; |
53cabad7 JB |
5527 | params.p2p_ctwindow = -1; |
5528 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
5529 | |
5530 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
5531 | params.use_cts_prot = | |
5532 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
5533 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
5534 | params.use_short_preamble = | |
5535 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
5536 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
5537 | params.use_short_slot_time = | |
5538 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
5539 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
5540 | params.basic_rates = | |
5541 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5542 | params.basic_rates_len = | |
5543 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5544 | } | |
fd8aaaf3 FF |
5545 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
5546 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
5547 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
5548 | params.ht_opmode = | |
5549 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 5550 | |
53cabad7 JB |
5551 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
5552 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5553 | return -EINVAL; | |
5554 | params.p2p_ctwindow = | |
5555 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
5556 | if (params.p2p_ctwindow < 0) | |
5557 | return -EINVAL; | |
5558 | if (params.p2p_ctwindow != 0 && | |
5559 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
5560 | return -EINVAL; | |
5561 | } | |
5562 | ||
5563 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
5564 | u8 tmp; | |
5565 | ||
5566 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5567 | return -EINVAL; | |
5568 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
5569 | if (tmp > 1) | |
5570 | return -EINVAL; | |
5571 | params.p2p_opp_ps = tmp; | |
5572 | if (params.p2p_opp_ps && | |
5573 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
5574 | return -EINVAL; | |
5575 | } | |
5576 | ||
4c476991 JB |
5577 | if (!rdev->ops->change_bss) |
5578 | return -EOPNOTSUPP; | |
9f1ba906 | 5579 | |
074ac8df | 5580 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
5581 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5582 | return -EOPNOTSUPP; | |
3b85875a | 5583 | |
c56589ed SW |
5584 | wdev_lock(wdev); |
5585 | err = rdev_change_bss(rdev, dev, ¶ms); | |
5586 | wdev_unlock(wdev); | |
5587 | ||
5588 | return err; | |
9f1ba906 JM |
5589 | } |
5590 | ||
b2e1b302 LR |
5591 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
5592 | { | |
b2e1b302 | 5593 | char *data = NULL; |
05050753 | 5594 | bool is_indoor; |
57b5ce07 | 5595 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
5596 | u32 owner_nlportid; |
5597 | ||
80778f18 LR |
5598 | /* |
5599 | * You should only get this when cfg80211 hasn't yet initialized | |
5600 | * completely when built-in to the kernel right between the time | |
5601 | * window between nl80211_init() and regulatory_init(), if that is | |
5602 | * even possible. | |
5603 | */ | |
458f4f9e | 5604 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 5605 | return -EINPROGRESS; |
80778f18 | 5606 | |
57b5ce07 LR |
5607 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
5608 | user_reg_hint_type = | |
5609 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
5610 | else | |
5611 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
5612 | ||
5613 | switch (user_reg_hint_type) { | |
5614 | case NL80211_USER_REG_HINT_USER: | |
5615 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
5616 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
5617 | return -EINVAL; | |
5618 | ||
5619 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5620 | return regulatory_hint_user(data, user_reg_hint_type); | |
5621 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
5622 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
5623 | owner_nlportid = info->snd_portid; | |
5624 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
5625 | } else { | |
5626 | owner_nlportid = 0; | |
5627 | is_indoor = true; | |
5628 | } | |
5629 | ||
5630 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
5631 | default: |
5632 | return -EINVAL; | |
5633 | } | |
b2e1b302 LR |
5634 | } |
5635 | ||
24bdd9f4 | 5636 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 5637 | struct genl_info *info) |
93da9cc1 | 5638 | { |
4c476991 | 5639 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5640 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
5641 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5642 | struct mesh_config cur_params; | |
5643 | int err = 0; | |
93da9cc1 | 5644 | void *hdr; |
5645 | struct nlattr *pinfoattr; | |
5646 | struct sk_buff *msg; | |
5647 | ||
29cbe68c JB |
5648 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5649 | return -EOPNOTSUPP; | |
5650 | ||
24bdd9f4 | 5651 | if (!rdev->ops->get_mesh_config) |
4c476991 | 5652 | return -EOPNOTSUPP; |
f3f92586 | 5653 | |
29cbe68c JB |
5654 | wdev_lock(wdev); |
5655 | /* If not connected, get default parameters */ | |
5656 | if (!wdev->mesh_id_len) | |
5657 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
5658 | else | |
e35e4d28 | 5659 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
5660 | wdev_unlock(wdev); |
5661 | ||
93da9cc1 | 5662 | if (err) |
4c476991 | 5663 | return err; |
93da9cc1 | 5664 | |
5665 | /* Draw up a netlink message to send back */ | |
fd2120ca | 5666 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
5667 | if (!msg) |
5668 | return -ENOMEM; | |
15e47304 | 5669 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 5670 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 5671 | if (!hdr) |
efe1cf0c | 5672 | goto out; |
24bdd9f4 | 5673 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 5674 | if (!pinfoattr) |
5675 | goto nla_put_failure; | |
9360ffd1 DM |
5676 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5677 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
5678 | cur_params.dot11MeshRetryTimeout) || | |
5679 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
5680 | cur_params.dot11MeshConfirmTimeout) || | |
5681 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
5682 | cur_params.dot11MeshHoldingTimeout) || | |
5683 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5684 | cur_params.dot11MeshMaxPeerLinks) || | |
5685 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5686 | cur_params.dot11MeshMaxRetries) || | |
5687 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5688 | cur_params.dot11MeshTTL) || | |
5689 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5690 | cur_params.element_ttl) || | |
5691 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5692 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5693 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5694 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5695 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5696 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5697 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5698 | cur_params.path_refresh_time) || | |
5699 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5700 | cur_params.min_discovery_timeout) || | |
5701 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5702 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5703 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5704 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5705 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5706 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5707 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5708 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5709 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5710 | cur_params.dot11MeshHWMPRootMode) || | |
5711 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5712 | cur_params.dot11MeshHWMPRannInterval) || | |
5713 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5714 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5715 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5716 | cur_params.dot11MeshForwarding) || | |
5717 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
5718 | cur_params.rssi_threshold) || |
5719 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5720 | cur_params.ht_opmode) || |
5721 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5722 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5723 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5724 | cur_params.dot11MeshHWMProotInterval) || |
5725 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5726 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5727 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5728 | cur_params.power_mode) || | |
5729 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5730 | cur_params.dot11MeshAwakeWindowDuration) || |
5731 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5732 | cur_params.plink_timeout)) | |
9360ffd1 | 5733 | goto nla_put_failure; |
93da9cc1 | 5734 | nla_nest_end(msg, pinfoattr); |
5735 | genlmsg_end(msg, hdr); | |
4c476991 | 5736 | return genlmsg_reply(msg, info); |
93da9cc1 | 5737 | |
3b85875a | 5738 | nla_put_failure: |
93da9cc1 | 5739 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5740 | out: |
d080e275 | 5741 | nlmsg_free(msg); |
4c476991 | 5742 | return -ENOBUFS; |
93da9cc1 | 5743 | } |
5744 | ||
b54452b0 | 5745 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5746 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5747 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5748 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5749 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5750 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5751 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5752 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5753 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5754 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5755 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5756 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5757 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5758 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5759 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5760 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5761 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5762 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5763 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5764 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5765 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5766 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5767 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5768 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5769 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5770 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5771 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5772 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5773 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5774 | }; |
5775 | ||
c80d545d JC |
5776 | static const struct nla_policy |
5777 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5778 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5779 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5780 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5781 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5782 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5783 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5784 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5785 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5786 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5787 | }; |
5788 | ||
f151d9db AB |
5789 | static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out) |
5790 | { | |
5791 | u8 val = nla_get_u8(nla); | |
5792 | if (val < min || val > max) | |
5793 | return -EINVAL; | |
5794 | *out = val; | |
5795 | return 0; | |
5796 | } | |
5797 | ||
5798 | static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out) | |
5799 | { | |
5800 | u8 val = nla_get_u8(nla); | |
5801 | if (val < min || val > max) | |
5802 | return -EINVAL; | |
5803 | *out = val; | |
5804 | return 0; | |
5805 | } | |
5806 | ||
5807 | static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out) | |
5808 | { | |
5809 | u16 val = nla_get_u16(nla); | |
5810 | if (val < min || val > max) | |
5811 | return -EINVAL; | |
5812 | *out = val; | |
5813 | return 0; | |
5814 | } | |
5815 | ||
5816 | static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out) | |
5817 | { | |
5818 | u32 val = nla_get_u32(nla); | |
5819 | if (val < min || val > max) | |
5820 | return -EINVAL; | |
5821 | *out = val; | |
5822 | return 0; | |
5823 | } | |
5824 | ||
5825 | static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out) | |
5826 | { | |
5827 | s32 val = nla_get_s32(nla); | |
5828 | if (val < min || val > max) | |
5829 | return -EINVAL; | |
5830 | *out = val; | |
5831 | return 0; | |
5832 | } | |
5833 | ||
ff9a71af JB |
5834 | static int nl80211_check_power_mode(const struct nlattr *nla, |
5835 | enum nl80211_mesh_power_mode min, | |
5836 | enum nl80211_mesh_power_mode max, | |
5837 | enum nl80211_mesh_power_mode *out) | |
5838 | { | |
5839 | u32 val = nla_get_u32(nla); | |
5840 | if (val < min || val > max) | |
5841 | return -EINVAL; | |
5842 | *out = val; | |
5843 | return 0; | |
5844 | } | |
5845 | ||
24bdd9f4 | 5846 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5847 | struct mesh_config *cfg, |
5848 | u32 *mask_out) | |
93da9cc1 | 5849 | { |
93da9cc1 | 5850 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5851 | u32 mask = 0; |
9757235f | 5852 | u16 ht_opmode; |
93da9cc1 | 5853 | |
ea54fba2 MP |
5854 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5855 | do { \ | |
5856 | if (tb[attr]) { \ | |
f151d9db | 5857 | if (fn(tb[attr], min, max, &cfg->param)) \ |
ea54fba2 | 5858 | return -EINVAL; \ |
ea54fba2 MP |
5859 | mask |= (1 << (attr - 1)); \ |
5860 | } \ | |
5861 | } while (0) | |
bd90fdcc | 5862 | |
24bdd9f4 | 5863 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5864 | return -EINVAL; |
5865 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5866 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 5867 | nl80211_meshconf_params_policy)) |
93da9cc1 | 5868 | return -EINVAL; |
5869 | ||
93da9cc1 | 5870 | /* This makes sure that there aren't more than 32 mesh config |
5871 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5872 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5873 | ||
5874 | /* Fill in the params struct */ | |
ea54fba2 | 5875 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea | 5876 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
f151d9db | 5877 | nl80211_check_u16); |
ea54fba2 | 5878 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea | 5879 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
f151d9db | 5880 | nl80211_check_u16); |
ea54fba2 | 5881 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea | 5882 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
f151d9db | 5883 | nl80211_check_u16); |
ea54fba2 | 5884 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea | 5885 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
f151d9db | 5886 | nl80211_check_u16); |
ea54fba2 | 5887 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea | 5888 | mask, NL80211_MESHCONF_MAX_RETRIES, |
f151d9db | 5889 | nl80211_check_u8); |
ea54fba2 | 5890 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
f151d9db | 5891 | mask, NL80211_MESHCONF_TTL, nl80211_check_u8); |
ea54fba2 | 5892 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea | 5893 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
f151d9db | 5894 | nl80211_check_u8); |
ea54fba2 | 5895 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea | 5896 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
f151d9db | 5897 | nl80211_check_bool); |
ea54fba2 MP |
5898 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5899 | 1, 255, mask, | |
a4f606ea | 5900 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
f151d9db | 5901 | nl80211_check_u32); |
ea54fba2 | 5902 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea | 5903 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
f151d9db | 5904 | nl80211_check_u8); |
ea54fba2 | 5905 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea | 5906 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
f151d9db | 5907 | nl80211_check_u32); |
ea54fba2 | 5908 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea | 5909 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
f151d9db | 5910 | nl80211_check_u16); |
ea54fba2 MP |
5911 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5912 | 1, 65535, mask, | |
a4f606ea | 5913 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
f151d9db | 5914 | nl80211_check_u32); |
93da9cc1 | 5915 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5916 | 1, 65535, mask, |
5917 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
f151d9db | 5918 | nl80211_check_u16); |
dca7e943 | 5919 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5920 | 1, 65535, mask, |
5921 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
f151d9db | 5922 | nl80211_check_u16); |
93da9cc1 | 5923 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5924 | dot11MeshHWMPnetDiameterTraversalTime, |
5925 | 1, 65535, mask, | |
a4f606ea | 5926 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
f151d9db | 5927 | nl80211_check_u16); |
ea54fba2 MP |
5928 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5929 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
f151d9db | 5930 | nl80211_check_u8); |
ea54fba2 MP |
5931 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, |
5932 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
f151d9db | 5933 | nl80211_check_u16); |
63c5723b | 5934 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5935 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5936 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
f151d9db | 5937 | nl80211_check_bool); |
ea54fba2 | 5938 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea | 5939 | mask, NL80211_MESHCONF_FORWARDING, |
f151d9db | 5940 | nl80211_check_bool); |
83374fe9 | 5941 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5942 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
f151d9db | 5943 | nl80211_check_s32); |
9757235f MH |
5944 | /* |
5945 | * Check HT operation mode based on | |
5946 | * IEEE 802.11 2012 8.4.2.59 HT Operation element. | |
5947 | */ | |
5948 | if (tb[NL80211_MESHCONF_HT_OPMODE]) { | |
5949 | ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); | |
5950 | ||
5951 | if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | | |
5952 | IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | | |
5953 | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5954 | return -EINVAL; | |
5955 | ||
5956 | if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && | |
5957 | (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5958 | return -EINVAL; | |
5959 | ||
5960 | switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) { | |
5961 | case IEEE80211_HT_OP_MODE_PROTECTION_NONE: | |
5962 | case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: | |
5963 | if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) | |
5964 | return -EINVAL; | |
5965 | break; | |
5966 | case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: | |
5967 | case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: | |
5968 | if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5969 | return -EINVAL; | |
5970 | break; | |
5971 | } | |
5972 | cfg->ht_opmode = ht_opmode; | |
fd551bac | 5973 | mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1)); |
9757235f | 5974 | } |
ac1073a6 | 5975 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, |
ea54fba2 | 5976 | 1, 65535, mask, |
ac1073a6 | 5977 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
f151d9db | 5978 | nl80211_check_u32); |
ea54fba2 | 5979 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5980 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
f151d9db | 5981 | nl80211_check_u16); |
728b19e5 | 5982 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5983 | dot11MeshHWMPconfirmationInterval, |
5984 | 1, 65535, mask, | |
728b19e5 | 5985 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
f151d9db | 5986 | nl80211_check_u16); |
3b1c5a53 MP |
5987 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5988 | NL80211_MESH_POWER_ACTIVE, | |
5989 | NL80211_MESH_POWER_MAX, | |
5990 | mask, NL80211_MESHCONF_POWER_MODE, | |
ff9a71af | 5991 | nl80211_check_power_mode); |
3b1c5a53 MP |
5992 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, |
5993 | 0, 65535, mask, | |
f151d9db | 5994 | NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16); |
31f909a2 | 5995 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff, |
8e7c0538 | 5996 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, |
f151d9db | 5997 | nl80211_check_u32); |
bd90fdcc JB |
5998 | if (mask_out) |
5999 | *mask_out = mask; | |
c80d545d | 6000 | |
bd90fdcc JB |
6001 | return 0; |
6002 | ||
6003 | #undef FILL_IN_MESH_PARAM_IF_SET | |
6004 | } | |
6005 | ||
c80d545d JC |
6006 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
6007 | struct mesh_setup *setup) | |
6008 | { | |
bb2798d4 | 6009 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
6010 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
6011 | ||
6012 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
6013 | return -EINVAL; | |
6014 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
6015 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
6016 | nl80211_mesh_setup_params_policy)) | |
6017 | return -EINVAL; | |
6018 | ||
d299a1f2 JC |
6019 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
6020 | setup->sync_method = | |
6021 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
6022 | IEEE80211_SYNC_METHOD_VENDOR : | |
6023 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
6024 | ||
c80d545d JC |
6025 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
6026 | setup->path_sel_proto = | |
6027 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
6028 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
6029 | IEEE80211_PATH_PROTOCOL_HWMP; | |
6030 | ||
6031 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
6032 | setup->path_metric = | |
6033 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
6034 | IEEE80211_PATH_METRIC_VENDOR : | |
6035 | IEEE80211_PATH_METRIC_AIRTIME; | |
6036 | ||
581a8b0f | 6037 | if (tb[NL80211_MESH_SETUP_IE]) { |
c80d545d | 6038 | struct nlattr *ieattr = |
581a8b0f | 6039 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
6040 | if (!is_valid_ie_attr(ieattr)) |
6041 | return -EINVAL; | |
581a8b0f JC |
6042 | setup->ie = nla_data(ieattr); |
6043 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 6044 | } |
bb2798d4 TP |
6045 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
6046 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
6047 | return -EINVAL; | |
6048 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
6049 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
6050 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
6051 | if (setup->is_secure) |
6052 | setup->user_mpm = true; | |
c80d545d | 6053 | |
6e16d90b CT |
6054 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
6055 | if (!setup->user_mpm) | |
6056 | return -EINVAL; | |
6057 | setup->auth_id = | |
6058 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
6059 | } | |
6060 | ||
c80d545d JC |
6061 | return 0; |
6062 | } | |
6063 | ||
24bdd9f4 | 6064 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 6065 | struct genl_info *info) |
bd90fdcc JB |
6066 | { |
6067 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6068 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 6069 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
6070 | struct mesh_config cfg; |
6071 | u32 mask; | |
6072 | int err; | |
6073 | ||
29cbe68c JB |
6074 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
6075 | return -EOPNOTSUPP; | |
6076 | ||
24bdd9f4 | 6077 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
6078 | return -EOPNOTSUPP; |
6079 | ||
24bdd9f4 | 6080 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
6081 | if (err) |
6082 | return err; | |
6083 | ||
29cbe68c JB |
6084 | wdev_lock(wdev); |
6085 | if (!wdev->mesh_id_len) | |
6086 | err = -ENOLINK; | |
6087 | ||
6088 | if (!err) | |
e35e4d28 | 6089 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
6090 | |
6091 | wdev_unlock(wdev); | |
6092 | ||
6093 | return err; | |
93da9cc1 | 6094 | } |
6095 | ||
ad30ca2c AN |
6096 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
6097 | struct sk_buff *msg) | |
f130347c | 6098 | { |
f130347c LR |
6099 | struct nlattr *nl_reg_rules; |
6100 | unsigned int i; | |
f130347c | 6101 | |
458f4f9e JB |
6102 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
6103 | (regdom->dfs_region && | |
6104 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 6105 | goto nla_put_failure; |
458f4f9e | 6106 | |
f130347c LR |
6107 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
6108 | if (!nl_reg_rules) | |
ad30ca2c | 6109 | goto nla_put_failure; |
f130347c | 6110 | |
458f4f9e | 6111 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
6112 | struct nlattr *nl_reg_rule; |
6113 | const struct ieee80211_reg_rule *reg_rule; | |
6114 | const struct ieee80211_freq_range *freq_range; | |
6115 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 6116 | unsigned int max_bandwidth_khz; |
f130347c | 6117 | |
458f4f9e | 6118 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
6119 | freq_range = ®_rule->freq_range; |
6120 | power_rule = ®_rule->power_rule; | |
6121 | ||
6122 | nl_reg_rule = nla_nest_start(msg, i); | |
6123 | if (!nl_reg_rule) | |
ad30ca2c | 6124 | goto nla_put_failure; |
f130347c | 6125 | |
97524820 JD |
6126 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
6127 | if (!max_bandwidth_khz) | |
6128 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
6129 | reg_rule); | |
6130 | ||
9360ffd1 DM |
6131 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
6132 | reg_rule->flags) || | |
6133 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
6134 | freq_range->start_freq_khz) || | |
6135 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
6136 | freq_range->end_freq_khz) || | |
6137 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 6138 | max_bandwidth_khz) || |
9360ffd1 DM |
6139 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
6140 | power_rule->max_antenna_gain) || | |
6141 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
6142 | power_rule->max_eirp) || |
6143 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
6144 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 6145 | goto nla_put_failure; |
f130347c LR |
6146 | |
6147 | nla_nest_end(msg, nl_reg_rule); | |
6148 | } | |
6149 | ||
6150 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
6151 | return 0; |
6152 | ||
6153 | nla_put_failure: | |
6154 | return -EMSGSIZE; | |
6155 | } | |
6156 | ||
6157 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
6158 | { | |
6159 | const struct ieee80211_regdomain *regdom = NULL; | |
6160 | struct cfg80211_registered_device *rdev; | |
6161 | struct wiphy *wiphy = NULL; | |
6162 | struct sk_buff *msg; | |
6163 | void *hdr; | |
6164 | ||
6165 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6166 | if (!msg) | |
6167 | return -ENOBUFS; | |
6168 | ||
6169 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
6170 | NL80211_CMD_GET_REG); | |
6171 | if (!hdr) | |
6172 | goto put_failure; | |
6173 | ||
6174 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
1bdd716c AN |
6175 | bool self_managed; |
6176 | ||
ad30ca2c AN |
6177 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
6178 | if (IS_ERR(rdev)) { | |
6179 | nlmsg_free(msg); | |
6180 | return PTR_ERR(rdev); | |
6181 | } | |
6182 | ||
6183 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
6184 | self_managed = wiphy->regulatory_flags & |
6185 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
6186 | regdom = get_wiphy_regdom(wiphy); |
6187 | ||
1bdd716c AN |
6188 | /* a self-managed-reg device must have a private regdom */ |
6189 | if (WARN_ON(!regdom && self_managed)) { | |
6190 | nlmsg_free(msg); | |
6191 | return -EINVAL; | |
6192 | } | |
6193 | ||
ad30ca2c AN |
6194 | if (regdom && |
6195 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6196 | goto nla_put_failure; | |
6197 | } | |
6198 | ||
6199 | if (!wiphy && reg_last_request_cell_base() && | |
6200 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6201 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6202 | goto nla_put_failure; | |
6203 | ||
6204 | rcu_read_lock(); | |
6205 | ||
6206 | if (!regdom) | |
6207 | regdom = rcu_dereference(cfg80211_regdomain); | |
6208 | ||
6209 | if (nl80211_put_regdom(regdom, msg)) | |
6210 | goto nla_put_failure_rcu; | |
6211 | ||
6212 | rcu_read_unlock(); | |
f130347c LR |
6213 | |
6214 | genlmsg_end(msg, hdr); | |
5fe231e8 | 6215 | return genlmsg_reply(msg, info); |
f130347c | 6216 | |
458f4f9e JB |
6217 | nla_put_failure_rcu: |
6218 | rcu_read_unlock(); | |
f130347c LR |
6219 | nla_put_failure: |
6220 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 6221 | put_failure: |
d080e275 | 6222 | nlmsg_free(msg); |
5fe231e8 | 6223 | return -EMSGSIZE; |
f130347c LR |
6224 | } |
6225 | ||
ad30ca2c AN |
6226 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
6227 | u32 seq, int flags, struct wiphy *wiphy, | |
6228 | const struct ieee80211_regdomain *regdom) | |
6229 | { | |
6230 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
6231 | NL80211_CMD_GET_REG); | |
6232 | ||
6233 | if (!hdr) | |
6234 | return -1; | |
6235 | ||
6236 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); | |
6237 | ||
6238 | if (nl80211_put_regdom(regdom, msg)) | |
6239 | goto nla_put_failure; | |
6240 | ||
6241 | if (!wiphy && reg_last_request_cell_base() && | |
6242 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6243 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6244 | goto nla_put_failure; | |
6245 | ||
6246 | if (wiphy && | |
6247 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6248 | goto nla_put_failure; | |
6249 | ||
1bdd716c AN |
6250 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
6251 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
6252 | goto nla_put_failure; | |
6253 | ||
053c095a JB |
6254 | genlmsg_end(msg, hdr); |
6255 | return 0; | |
ad30ca2c AN |
6256 | |
6257 | nla_put_failure: | |
6258 | genlmsg_cancel(msg, hdr); | |
6259 | return -EMSGSIZE; | |
6260 | } | |
6261 | ||
6262 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
6263 | struct netlink_callback *cb) | |
6264 | { | |
6265 | const struct ieee80211_regdomain *regdom = NULL; | |
6266 | struct cfg80211_registered_device *rdev; | |
6267 | int err, reg_idx, start = cb->args[2]; | |
6268 | ||
6269 | rtnl_lock(); | |
6270 | ||
6271 | if (cfg80211_regdomain && start == 0) { | |
6272 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6273 | NLM_F_MULTI, NULL, | |
6274 | rtnl_dereference(cfg80211_regdomain)); | |
6275 | if (err < 0) | |
6276 | goto out_err; | |
6277 | } | |
6278 | ||
6279 | /* the global regdom is idx 0 */ | |
6280 | reg_idx = 1; | |
6281 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
6282 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
6283 | if (!regdom) | |
6284 | continue; | |
6285 | ||
6286 | if (++reg_idx <= start) | |
6287 | continue; | |
6288 | ||
6289 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6290 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
6291 | if (err < 0) { | |
6292 | reg_idx--; | |
6293 | break; | |
6294 | } | |
6295 | } | |
6296 | ||
6297 | cb->args[2] = reg_idx; | |
6298 | err = skb->len; | |
6299 | out_err: | |
6300 | rtnl_unlock(); | |
6301 | return err; | |
6302 | } | |
6303 | ||
b6863036 JB |
6304 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
6305 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
6306 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
6307 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
6308 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
6309 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
6310 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
6311 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
6312 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, | |
6313 | }; | |
6314 | ||
6315 | static int parse_reg_rule(struct nlattr *tb[], | |
6316 | struct ieee80211_reg_rule *reg_rule) | |
6317 | { | |
6318 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
6319 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
6320 | ||
6321 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
6322 | return -EINVAL; | |
6323 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
6324 | return -EINVAL; | |
6325 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
6326 | return -EINVAL; | |
6327 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
6328 | return -EINVAL; | |
6329 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
6330 | return -EINVAL; | |
6331 | ||
6332 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
6333 | ||
6334 | freq_range->start_freq_khz = | |
6335 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
6336 | freq_range->end_freq_khz = | |
6337 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
6338 | freq_range->max_bandwidth_khz = | |
6339 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
6340 | ||
6341 | power_rule->max_eirp = | |
6342 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
6343 | ||
6344 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
6345 | power_rule->max_antenna_gain = | |
6346 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
6347 | ||
6348 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) | |
6349 | reg_rule->dfs_cac_ms = | |
6350 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
6351 | ||
6352 | return 0; | |
6353 | } | |
6354 | ||
b2e1b302 LR |
6355 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
6356 | { | |
6357 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
6358 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
6359 | char *alpha2; |
6360 | int rem_reg_rules, r; | |
b2e1b302 | 6361 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 6362 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 6363 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
6364 | |
6365 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
6366 | return -EINVAL; | |
6367 | ||
6368 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
6369 | return -EINVAL; | |
6370 | ||
6371 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
6372 | ||
8b60b078 LR |
6373 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
6374 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
6375 | ||
b2e1b302 | 6376 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6377 | rem_reg_rules) { |
b2e1b302 LR |
6378 | num_rules++; |
6379 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 6380 | return -EINVAL; |
b2e1b302 LR |
6381 | } |
6382 | ||
e438768f LR |
6383 | if (!reg_is_valid_request(alpha2)) |
6384 | return -EINVAL; | |
6385 | ||
b2e1b302 | 6386 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 6387 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
6388 | |
6389 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
6390 | if (!rd) |
6391 | return -ENOMEM; | |
b2e1b302 LR |
6392 | |
6393 | rd->n_reg_rules = num_rules; | |
6394 | rd->alpha2[0] = alpha2[0]; | |
6395 | rd->alpha2[1] = alpha2[1]; | |
6396 | ||
8b60b078 LR |
6397 | /* |
6398 | * Disable DFS master mode if the DFS region was | |
6399 | * not supported or known on this kernel. | |
6400 | */ | |
6401 | if (reg_supported_dfs_region(dfs_region)) | |
6402 | rd->dfs_region = dfs_region; | |
6403 | ||
b2e1b302 | 6404 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6405 | rem_reg_rules) { |
bfe2c7b1 JB |
6406 | r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX, |
6407 | nl_reg_rule, reg_rule_policy); | |
ae811e21 JB |
6408 | if (r) |
6409 | goto bad_reg; | |
b2e1b302 LR |
6410 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
6411 | if (r) | |
6412 | goto bad_reg; | |
6413 | ||
6414 | rule_idx++; | |
6415 | ||
d0e18f83 LR |
6416 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
6417 | r = -EINVAL; | |
b2e1b302 | 6418 | goto bad_reg; |
d0e18f83 | 6419 | } |
b2e1b302 LR |
6420 | } |
6421 | ||
06627990 JB |
6422 | /* set_regdom takes ownership of rd */ |
6423 | return set_regdom(rd, REGD_SOURCE_CRDA); | |
d2372b31 | 6424 | bad_reg: |
b2e1b302 | 6425 | kfree(rd); |
d0e18f83 | 6426 | return r; |
b2e1b302 | 6427 | } |
b6863036 | 6428 | #endif /* CONFIG_CFG80211_CRDA_SUPPORT */ |
b2e1b302 | 6429 | |
83f5e2cf JB |
6430 | static int validate_scan_freqs(struct nlattr *freqs) |
6431 | { | |
6432 | struct nlattr *attr1, *attr2; | |
6433 | int n_channels = 0, tmp1, tmp2; | |
6434 | ||
6435 | nla_for_each_nested(attr1, freqs, tmp1) { | |
6436 | n_channels++; | |
6437 | /* | |
6438 | * Some hardware has a limited channel list for | |
6439 | * scanning, and it is pretty much nonsensical | |
6440 | * to scan for a channel twice, so disallow that | |
6441 | * and don't require drivers to check that the | |
6442 | * channel list they get isn't longer than what | |
6443 | * they can scan, as long as they can scan all | |
6444 | * the channels they registered at once. | |
6445 | */ | |
6446 | nla_for_each_nested(attr2, freqs, tmp2) | |
6447 | if (attr1 != attr2 && | |
6448 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
6449 | return 0; | |
6450 | } | |
6451 | ||
6452 | return n_channels; | |
6453 | } | |
6454 | ||
57fbcce3 | 6455 | static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b) |
38de03d2 | 6456 | { |
57fbcce3 | 6457 | return b < NUM_NL80211_BANDS && wiphy->bands[b]; |
38de03d2 AS |
6458 | } |
6459 | ||
6460 | static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, | |
6461 | struct cfg80211_bss_selection *bss_select) | |
6462 | { | |
6463 | struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1]; | |
6464 | struct nlattr *nest; | |
6465 | int err; | |
6466 | bool found = false; | |
6467 | int i; | |
6468 | ||
6469 | /* only process one nested attribute */ | |
6470 | nest = nla_data(nla); | |
6471 | if (!nla_ok(nest, nla_len(nest))) | |
6472 | return -EINVAL; | |
6473 | ||
bfe2c7b1 JB |
6474 | err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest, |
6475 | nl80211_bss_select_policy); | |
38de03d2 AS |
6476 | if (err) |
6477 | return err; | |
6478 | ||
6479 | /* only one attribute may be given */ | |
6480 | for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) { | |
6481 | if (attr[i]) { | |
6482 | if (found) | |
6483 | return -EINVAL; | |
6484 | found = true; | |
6485 | } | |
6486 | } | |
6487 | ||
6488 | bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID; | |
6489 | ||
6490 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI]) | |
6491 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI; | |
6492 | ||
6493 | if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) { | |
6494 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF; | |
6495 | bss_select->param.band_pref = | |
6496 | nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]); | |
6497 | if (!is_band_valid(wiphy, bss_select->param.band_pref)) | |
6498 | return -EINVAL; | |
6499 | } | |
6500 | ||
6501 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) { | |
6502 | struct nl80211_bss_select_rssi_adjust *adj_param; | |
6503 | ||
6504 | adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]); | |
6505 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST; | |
6506 | bss_select->param.adjust.band = adj_param->band; | |
6507 | bss_select->param.adjust.delta = adj_param->delta; | |
6508 | if (!is_band_valid(wiphy, bss_select->param.adjust.band)) | |
6509 | return -EINVAL; | |
6510 | } | |
6511 | ||
6512 | /* user-space did not provide behaviour attribute */ | |
6513 | if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID) | |
6514 | return -EINVAL; | |
6515 | ||
6516 | if (!(wiphy->bss_select_support & BIT(bss_select->behaviour))) | |
6517 | return -EINVAL; | |
6518 | ||
6519 | return 0; | |
6520 | } | |
6521 | ||
ad2b26ab JB |
6522 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
6523 | u8 *mac_addr, u8 *mac_addr_mask) | |
6524 | { | |
6525 | int i; | |
6526 | ||
6527 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
6528 | eth_zero_addr(mac_addr); |
6529 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
6530 | mac_addr[0] = 0x2; |
6531 | mac_addr_mask[0] = 0x3; | |
6532 | ||
6533 | return 0; | |
6534 | } | |
6535 | ||
6536 | /* need both or none */ | |
6537 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
6538 | return -EINVAL; | |
6539 | ||
6540 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
6541 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
6542 | ||
6543 | /* don't allow or configure an mcast address */ | |
6544 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
6545 | is_multicast_ether_addr(mac_addr)) | |
6546 | return -EINVAL; | |
6547 | ||
6548 | /* | |
6549 | * allow users to pass a MAC address that has bits set outside | |
6550 | * of the mask, but don't bother drivers with having to deal | |
6551 | * with such bits | |
6552 | */ | |
6553 | for (i = 0; i < ETH_ALEN; i++) | |
6554 | mac_addr[i] &= mac_addr_mask[i]; | |
6555 | ||
6556 | return 0; | |
6557 | } | |
6558 | ||
2a519311 JB |
6559 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
6560 | { | |
4c476991 | 6561 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 6562 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 6563 | struct cfg80211_scan_request *request; |
2a519311 JB |
6564 | struct nlattr *attr; |
6565 | struct wiphy *wiphy; | |
83f5e2cf | 6566 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 6567 | size_t ie_len; |
2a519311 | 6568 | |
f4a11bb0 JB |
6569 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6570 | return -EINVAL; | |
6571 | ||
79c97e97 | 6572 | wiphy = &rdev->wiphy; |
2a519311 | 6573 | |
cb3b7d87 AB |
6574 | if (wdev->iftype == NL80211_IFTYPE_NAN) |
6575 | return -EOPNOTSUPP; | |
6576 | ||
4c476991 JB |
6577 | if (!rdev->ops->scan) |
6578 | return -EOPNOTSUPP; | |
2a519311 | 6579 | |
f9d15d16 | 6580 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
6581 | err = -EBUSY; |
6582 | goto unlock; | |
6583 | } | |
2a519311 JB |
6584 | |
6585 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
6586 | n_channels = validate_scan_freqs( |
6587 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
6588 | if (!n_channels) { |
6589 | err = -EINVAL; | |
6590 | goto unlock; | |
6591 | } | |
2a519311 | 6592 | } else { |
bdfbec2d | 6593 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
6594 | } |
6595 | ||
6596 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
6597 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
6598 | n_ssids++; | |
6599 | ||
f9f47529 JB |
6600 | if (n_ssids > wiphy->max_scan_ssids) { |
6601 | err = -EINVAL; | |
6602 | goto unlock; | |
6603 | } | |
2a519311 | 6604 | |
70692ad2 JM |
6605 | if (info->attrs[NL80211_ATTR_IE]) |
6606 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6607 | else | |
6608 | ie_len = 0; | |
6609 | ||
f9f47529 JB |
6610 | if (ie_len > wiphy->max_scan_ie_len) { |
6611 | err = -EINVAL; | |
6612 | goto unlock; | |
6613 | } | |
18a83659 | 6614 | |
2a519311 | 6615 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
6616 | + sizeof(*request->ssids) * n_ssids |
6617 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 6618 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
6619 | if (!request) { |
6620 | err = -ENOMEM; | |
6621 | goto unlock; | |
6622 | } | |
2a519311 | 6623 | |
2a519311 | 6624 | if (n_ssids) |
5ba63533 | 6625 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 6626 | request->n_ssids = n_ssids; |
70692ad2 | 6627 | if (ie_len) { |
13874e4b | 6628 | if (n_ssids) |
70692ad2 JM |
6629 | request->ie = (void *)(request->ssids + n_ssids); |
6630 | else | |
6631 | request->ie = (void *)(request->channels + n_channels); | |
6632 | } | |
2a519311 | 6633 | |
584991dc | 6634 | i = 0; |
2a519311 JB |
6635 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
6636 | /* user specified, bail out if channel not found */ | |
2a519311 | 6637 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
6638 | struct ieee80211_channel *chan; |
6639 | ||
6640 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6641 | ||
6642 | if (!chan) { | |
2a519311 JB |
6643 | err = -EINVAL; |
6644 | goto out_free; | |
6645 | } | |
584991dc JB |
6646 | |
6647 | /* ignore disabled channels */ | |
6648 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6649 | continue; | |
6650 | ||
6651 | request->channels[i] = chan; | |
2a519311 JB |
6652 | i++; |
6653 | } | |
6654 | } else { | |
57fbcce3 | 6655 | enum nl80211_band band; |
34850ab2 | 6656 | |
2a519311 | 6657 | /* all channels */ |
57fbcce3 | 6658 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
2a519311 | 6659 | int j; |
7a087e74 | 6660 | |
2a519311 JB |
6661 | if (!wiphy->bands[band]) |
6662 | continue; | |
6663 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
6664 | struct ieee80211_channel *chan; |
6665 | ||
6666 | chan = &wiphy->bands[band]->channels[j]; | |
6667 | ||
6668 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6669 | continue; | |
6670 | ||
6671 | request->channels[i] = chan; | |
2a519311 JB |
6672 | i++; |
6673 | } | |
6674 | } | |
6675 | } | |
6676 | ||
584991dc JB |
6677 | if (!i) { |
6678 | err = -EINVAL; | |
6679 | goto out_free; | |
6680 | } | |
6681 | ||
6682 | request->n_channels = i; | |
6683 | ||
2a519311 | 6684 | i = 0; |
13874e4b | 6685 | if (n_ssids) { |
2a519311 | 6686 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 6687 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
6688 | err = -EINVAL; |
6689 | goto out_free; | |
6690 | } | |
57a27e1d | 6691 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 6692 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
6693 | i++; |
6694 | } | |
6695 | } | |
6696 | ||
70692ad2 JM |
6697 | if (info->attrs[NL80211_ATTR_IE]) { |
6698 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
6699 | memcpy((void *)request->ie, |
6700 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
6701 | request->ie_len); |
6702 | } | |
6703 | ||
57fbcce3 | 6704 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
a401d2bb JB |
6705 | if (wiphy->bands[i]) |
6706 | request->rates[i] = | |
6707 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
6708 | |
6709 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
6710 | nla_for_each_nested(attr, | |
6711 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
6712 | tmp) { | |
57fbcce3 | 6713 | enum nl80211_band band = nla_type(attr); |
34850ab2 | 6714 | |
57fbcce3 | 6715 | if (band < 0 || band >= NUM_NL80211_BANDS) { |
34850ab2 JB |
6716 | err = -EINVAL; |
6717 | goto out_free; | |
6718 | } | |
1b09cd82 FF |
6719 | |
6720 | if (!wiphy->bands[band]) | |
6721 | continue; | |
6722 | ||
34850ab2 JB |
6723 | err = ieee80211_get_ratemask(wiphy->bands[band], |
6724 | nla_data(attr), | |
6725 | nla_len(attr), | |
6726 | &request->rates[band]); | |
6727 | if (err) | |
6728 | goto out_free; | |
6729 | } | |
6730 | } | |
6731 | ||
1d76250b AS |
6732 | if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { |
6733 | if (!wiphy_ext_feature_isset(wiphy, | |
6734 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) { | |
6735 | err = -EOPNOTSUPP; | |
6736 | goto out_free; | |
6737 | } | |
6738 | ||
6739 | request->duration = | |
6740 | nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); | |
6741 | request->duration_mandatory = | |
6742 | nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); | |
6743 | } | |
6744 | ||
46856bbf | 6745 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
6746 | request->flags = nla_get_u32( |
6747 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
6748 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6749 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6750 | err = -EOPNOTSUPP; |
6751 | goto out_free; | |
6752 | } | |
ad2b26ab JB |
6753 | |
6754 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6755 | if (!(wiphy->features & | |
6756 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) { | |
6757 | err = -EOPNOTSUPP; | |
6758 | goto out_free; | |
6759 | } | |
6760 | ||
6761 | if (wdev->current_bss) { | |
6762 | err = -EOPNOTSUPP; | |
6763 | goto out_free; | |
6764 | } | |
6765 | ||
6766 | err = nl80211_parse_random_mac(info->attrs, | |
6767 | request->mac_addr, | |
6768 | request->mac_addr_mask); | |
6769 | if (err) | |
6770 | goto out_free; | |
6771 | } | |
46856bbf | 6772 | } |
ed473771 | 6773 | |
e9f935e3 RM |
6774 | request->no_cck = |
6775 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
6776 | ||
2fa436b3 VK |
6777 | /* Initial implementation used NL80211_ATTR_MAC to set the specific |
6778 | * BSSID to scan for. This was problematic because that same attribute | |
6779 | * was already used for another purpose (local random MAC address). The | |
6780 | * NL80211_ATTR_BSSID attribute was added to fix this. For backwards | |
6781 | * compatibility with older userspace components, also use the | |
6782 | * NL80211_ATTR_MAC value here if it can be determined to be used for | |
6783 | * the specific BSSID use case instead of the random MAC address | |
6784 | * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use). | |
6785 | */ | |
6786 | if (info->attrs[NL80211_ATTR_BSSID]) | |
6787 | memcpy(request->bssid, | |
6788 | nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN); | |
6789 | else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) && | |
6790 | info->attrs[NL80211_ATTR_MAC]) | |
818965d3 JM |
6791 | memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), |
6792 | ETH_ALEN); | |
6793 | else | |
6794 | eth_broadcast_addr(request->bssid); | |
6795 | ||
fd014284 | 6796 | request->wdev = wdev; |
79c97e97 | 6797 | request->wiphy = &rdev->wiphy; |
15d6030b | 6798 | request->scan_start = jiffies; |
2a519311 | 6799 | |
79c97e97 | 6800 | rdev->scan_req = request; |
e35e4d28 | 6801 | err = rdev_scan(rdev, request); |
2a519311 | 6802 | |
463d0183 | 6803 | if (!err) { |
fd014284 JB |
6804 | nl80211_send_scan_start(rdev, wdev); |
6805 | if (wdev->netdev) | |
6806 | dev_hold(wdev->netdev); | |
4c476991 | 6807 | } else { |
2a519311 | 6808 | out_free: |
79c97e97 | 6809 | rdev->scan_req = NULL; |
2a519311 JB |
6810 | kfree(request); |
6811 | } | |
3b85875a | 6812 | |
f9f47529 | 6813 | unlock: |
2a519311 JB |
6814 | return err; |
6815 | } | |
6816 | ||
91d3ab46 VK |
6817 | static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) |
6818 | { | |
6819 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6820 | struct wireless_dev *wdev = info->user_ptr[1]; | |
6821 | ||
6822 | if (!rdev->ops->abort_scan) | |
6823 | return -EOPNOTSUPP; | |
6824 | ||
6825 | if (rdev->scan_msg) | |
6826 | return 0; | |
6827 | ||
6828 | if (!rdev->scan_req) | |
6829 | return -ENOENT; | |
6830 | ||
6831 | rdev_abort_scan(rdev, wdev); | |
6832 | return 0; | |
6833 | } | |
6834 | ||
3b06d277 AS |
6835 | static int |
6836 | nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, | |
6837 | struct cfg80211_sched_scan_request *request, | |
6838 | struct nlattr **attrs) | |
6839 | { | |
6840 | int tmp, err, i = 0; | |
6841 | struct nlattr *attr; | |
6842 | ||
6843 | if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { | |
6844 | u32 interval; | |
6845 | ||
6846 | /* | |
6847 | * If scan plans are not specified, | |
5a88de53 | 6848 | * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this |
3b06d277 AS |
6849 | * case one scan plan will be set with the specified scan |
6850 | * interval and infinite number of iterations. | |
6851 | */ | |
3b06d277 AS |
6852 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); |
6853 | if (!interval) | |
6854 | return -EINVAL; | |
6855 | ||
6856 | request->scan_plans[0].interval = | |
6857 | DIV_ROUND_UP(interval, MSEC_PER_SEC); | |
6858 | if (!request->scan_plans[0].interval) | |
6859 | return -EINVAL; | |
6860 | ||
6861 | if (request->scan_plans[0].interval > | |
6862 | wiphy->max_sched_scan_plan_interval) | |
6863 | request->scan_plans[0].interval = | |
6864 | wiphy->max_sched_scan_plan_interval; | |
6865 | ||
6866 | return 0; | |
6867 | } | |
6868 | ||
6869 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) { | |
6870 | struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1]; | |
6871 | ||
6872 | if (WARN_ON(i >= n_plans)) | |
6873 | return -EINVAL; | |
6874 | ||
bfe2c7b1 JB |
6875 | err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX, |
6876 | attr, nl80211_plan_policy); | |
3b06d277 AS |
6877 | if (err) |
6878 | return err; | |
6879 | ||
6880 | if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]) | |
6881 | return -EINVAL; | |
6882 | ||
6883 | request->scan_plans[i].interval = | |
6884 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]); | |
6885 | if (!request->scan_plans[i].interval || | |
6886 | request->scan_plans[i].interval > | |
6887 | wiphy->max_sched_scan_plan_interval) | |
6888 | return -EINVAL; | |
6889 | ||
6890 | if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) { | |
6891 | request->scan_plans[i].iterations = | |
6892 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]); | |
6893 | if (!request->scan_plans[i].iterations || | |
6894 | (request->scan_plans[i].iterations > | |
6895 | wiphy->max_sched_scan_plan_iterations)) | |
6896 | return -EINVAL; | |
6897 | } else if (i < n_plans - 1) { | |
6898 | /* | |
6899 | * All scan plans but the last one must specify | |
6900 | * a finite number of iterations | |
6901 | */ | |
6902 | return -EINVAL; | |
6903 | } | |
6904 | ||
6905 | i++; | |
6906 | } | |
6907 | ||
6908 | /* | |
6909 | * The last scan plan must not specify the number of | |
6910 | * iterations, it is supposed to run infinitely | |
6911 | */ | |
6912 | if (request->scan_plans[n_plans - 1].iterations) | |
6913 | return -EINVAL; | |
6914 | ||
6915 | return 0; | |
6916 | } | |
6917 | ||
256da02d | 6918 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 6919 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
aad1e812 | 6920 | struct nlattr **attrs, int max_match_sets) |
807f8a8c LC |
6921 | { |
6922 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 6923 | struct nlattr *attr; |
3b06d277 | 6924 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0; |
57fbcce3 | 6925 | enum nl80211_band band; |
807f8a8c | 6926 | size_t ie_len; |
a1f1c21c | 6927 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 6928 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 6929 | |
256da02d LC |
6930 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
6931 | return ERR_PTR(-EINVAL); | |
807f8a8c | 6932 | |
256da02d | 6933 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 6934 | n_channels = validate_scan_freqs( |
256da02d | 6935 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 6936 | if (!n_channels) |
256da02d | 6937 | return ERR_PTR(-EINVAL); |
807f8a8c | 6938 | } else { |
bdfbec2d | 6939 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
6940 | } |
6941 | ||
256da02d LC |
6942 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
6943 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
6944 | tmp) |
6945 | n_ssids++; | |
6946 | ||
93b6aa69 | 6947 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 6948 | return ERR_PTR(-EINVAL); |
807f8a8c | 6949 | |
ea73cbce JB |
6950 | /* |
6951 | * First, count the number of 'real' matchsets. Due to an issue with | |
6952 | * the old implementation, matchsets containing only the RSSI attribute | |
6953 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
6954 | * RSSI for all matchsets, rather than their own matchset for reporting | |
6955 | * all APs with a strong RSSI. This is needed to be compatible with | |
6956 | * older userspace that treated a matchset with only the RSSI as the | |
6957 | * global RSSI for all other matchsets - if there are other matchsets. | |
6958 | */ | |
256da02d | 6959 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 6960 | nla_for_each_nested(attr, |
256da02d | 6961 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
6962 | tmp) { |
6963 | struct nlattr *rssi; | |
6964 | ||
bfe2c7b1 JB |
6965 | err = nla_parse_nested(tb, |
6966 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
6967 | attr, nl80211_match_policy); | |
ea73cbce | 6968 | if (err) |
256da02d | 6969 | return ERR_PTR(err); |
ea73cbce JB |
6970 | /* add other standalone attributes here */ |
6971 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
6972 | n_match_sets++; | |
6973 | continue; | |
6974 | } | |
6975 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
6976 | if (rssi) | |
6977 | default_match_rssi = nla_get_s32(rssi); | |
6978 | } | |
6979 | } | |
6980 | ||
6981 | /* However, if there's no other matchset, add the RSSI one */ | |
6982 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
6983 | n_match_sets = 1; | |
a1f1c21c | 6984 | |
aad1e812 | 6985 | if (n_match_sets > max_match_sets) |
256da02d | 6986 | return ERR_PTR(-EINVAL); |
a1f1c21c | 6987 | |
256da02d LC |
6988 | if (attrs[NL80211_ATTR_IE]) |
6989 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
6990 | else |
6991 | ie_len = 0; | |
6992 | ||
5a865bad | 6993 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 6994 | return ERR_PTR(-EINVAL); |
c10841ca | 6995 | |
3b06d277 AS |
6996 | if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { |
6997 | /* | |
6998 | * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since | |
6999 | * each scan plan already specifies its own interval | |
7000 | */ | |
7001 | if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
7002 | return ERR_PTR(-EINVAL); | |
7003 | ||
7004 | nla_for_each_nested(attr, | |
7005 | attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) | |
7006 | n_plans++; | |
7007 | } else { | |
7008 | /* | |
7009 | * The scan interval attribute is kept for backward | |
7010 | * compatibility. If no scan plans are specified and sched scan | |
7011 | * interval is specified, one scan plan will be set with this | |
7012 | * scan interval and infinite number of iterations. | |
7013 | */ | |
7014 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
7015 | return ERR_PTR(-EINVAL); | |
7016 | ||
7017 | n_plans = 1; | |
7018 | } | |
7019 | ||
7020 | if (!n_plans || n_plans > wiphy->max_sched_scan_plans) | |
7021 | return ERR_PTR(-EINVAL); | |
7022 | ||
bf95ecdb | 7023 | if (!wiphy_ext_feature_isset( |
7024 | wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) && | |
7025 | (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] || | |
7026 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST])) | |
7027 | return ERR_PTR(-EINVAL); | |
7028 | ||
807f8a8c | 7029 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 7030 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 7031 | + sizeof(*request->match_sets) * n_match_sets |
3b06d277 | 7032 | + sizeof(*request->scan_plans) * n_plans |
a2cd43c5 | 7033 | + sizeof(*request->channels) * n_channels |
807f8a8c | 7034 | + ie_len, GFP_KERNEL); |
256da02d LC |
7035 | if (!request) |
7036 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
7037 | |
7038 | if (n_ssids) | |
7039 | request->ssids = (void *)&request->channels[n_channels]; | |
7040 | request->n_ssids = n_ssids; | |
7041 | if (ie_len) { | |
13874e4b | 7042 | if (n_ssids) |
807f8a8c LC |
7043 | request->ie = (void *)(request->ssids + n_ssids); |
7044 | else | |
7045 | request->ie = (void *)(request->channels + n_channels); | |
7046 | } | |
7047 | ||
a1f1c21c LC |
7048 | if (n_match_sets) { |
7049 | if (request->ie) | |
7050 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 7051 | else if (n_ssids) |
a1f1c21c LC |
7052 | request->match_sets = |
7053 | (void *)(request->ssids + n_ssids); | |
7054 | else | |
7055 | request->match_sets = | |
7056 | (void *)(request->channels + n_channels); | |
7057 | } | |
7058 | request->n_match_sets = n_match_sets; | |
7059 | ||
3b06d277 AS |
7060 | if (n_match_sets) |
7061 | request->scan_plans = (void *)(request->match_sets + | |
7062 | n_match_sets); | |
7063 | else if (request->ie) | |
7064 | request->scan_plans = (void *)(request->ie + ie_len); | |
7065 | else if (n_ssids) | |
7066 | request->scan_plans = (void *)(request->ssids + n_ssids); | |
7067 | else | |
7068 | request->scan_plans = (void *)(request->channels + n_channels); | |
7069 | ||
7070 | request->n_scan_plans = n_plans; | |
7071 | ||
807f8a8c | 7072 | i = 0; |
256da02d | 7073 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
7074 | /* user specified, bail out if channel not found */ |
7075 | nla_for_each_nested(attr, | |
256da02d | 7076 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
7077 | tmp) { |
7078 | struct ieee80211_channel *chan; | |
7079 | ||
7080 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
7081 | ||
7082 | if (!chan) { | |
7083 | err = -EINVAL; | |
7084 | goto out_free; | |
7085 | } | |
7086 | ||
7087 | /* ignore disabled channels */ | |
7088 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7089 | continue; | |
7090 | ||
7091 | request->channels[i] = chan; | |
7092 | i++; | |
7093 | } | |
7094 | } else { | |
7095 | /* all channels */ | |
57fbcce3 | 7096 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
807f8a8c | 7097 | int j; |
7a087e74 | 7098 | |
807f8a8c LC |
7099 | if (!wiphy->bands[band]) |
7100 | continue; | |
7101 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
7102 | struct ieee80211_channel *chan; | |
7103 | ||
7104 | chan = &wiphy->bands[band]->channels[j]; | |
7105 | ||
7106 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7107 | continue; | |
7108 | ||
7109 | request->channels[i] = chan; | |
7110 | i++; | |
7111 | } | |
7112 | } | |
7113 | } | |
7114 | ||
7115 | if (!i) { | |
7116 | err = -EINVAL; | |
7117 | goto out_free; | |
7118 | } | |
7119 | ||
7120 | request->n_channels = i; | |
7121 | ||
7122 | i = 0; | |
13874e4b | 7123 | if (n_ssids) { |
256da02d | 7124 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 7125 | tmp) { |
57a27e1d | 7126 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
7127 | err = -EINVAL; |
7128 | goto out_free; | |
7129 | } | |
57a27e1d | 7130 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
7131 | memcpy(request->ssids[i].ssid, nla_data(attr), |
7132 | nla_len(attr)); | |
807f8a8c LC |
7133 | i++; |
7134 | } | |
7135 | } | |
7136 | ||
a1f1c21c | 7137 | i = 0; |
256da02d | 7138 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7139 | nla_for_each_nested(attr, |
256da02d | 7140 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 7141 | tmp) { |
88e920b4 | 7142 | struct nlattr *ssid, *rssi; |
a1f1c21c | 7143 | |
bfe2c7b1 JB |
7144 | err = nla_parse_nested(tb, |
7145 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
7146 | attr, nl80211_match_policy); | |
ae811e21 JB |
7147 | if (err) |
7148 | goto out_free; | |
4a4ab0d7 | 7149 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 7150 | if (ssid) { |
ea73cbce JB |
7151 | if (WARN_ON(i >= n_match_sets)) { |
7152 | /* this indicates a programming error, | |
7153 | * the loop above should have verified | |
7154 | * things properly | |
7155 | */ | |
7156 | err = -EINVAL; | |
7157 | goto out_free; | |
7158 | } | |
7159 | ||
a1f1c21c LC |
7160 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
7161 | err = -EINVAL; | |
7162 | goto out_free; | |
7163 | } | |
7164 | memcpy(request->match_sets[i].ssid.ssid, | |
7165 | nla_data(ssid), nla_len(ssid)); | |
7166 | request->match_sets[i].ssid.ssid_len = | |
7167 | nla_len(ssid); | |
56ab364f | 7168 | /* special attribute - old implementation w/a */ |
ea73cbce JB |
7169 | request->match_sets[i].rssi_thold = |
7170 | default_match_rssi; | |
7171 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7172 | if (rssi) | |
7173 | request->match_sets[i].rssi_thold = | |
7174 | nla_get_s32(rssi); | |
a1f1c21c LC |
7175 | } |
7176 | i++; | |
7177 | } | |
ea73cbce JB |
7178 | |
7179 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 7180 | if (i == 0 && n_match_sets) |
ea73cbce JB |
7181 | request->match_sets[0].rssi_thold = default_match_rssi; |
7182 | ||
7183 | request->min_rssi_thold = INT_MAX; | |
7184 | for (i = 0; i < n_match_sets; i++) | |
7185 | request->min_rssi_thold = | |
7186 | min(request->match_sets[i].rssi_thold, | |
7187 | request->min_rssi_thold); | |
7188 | } else { | |
7189 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
7190 | } |
7191 | ||
9900e484 JB |
7192 | if (ie_len) { |
7193 | request->ie_len = ie_len; | |
807f8a8c | 7194 | memcpy((void *)request->ie, |
256da02d | 7195 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
7196 | request->ie_len); |
7197 | } | |
7198 | ||
256da02d | 7199 | if (attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 | 7200 | request->flags = nla_get_u32( |
256da02d | 7201 | attrs[NL80211_ATTR_SCAN_FLAGS]); |
00c3a6ed JB |
7202 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
7203 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
7204 | err = -EOPNOTSUPP; |
7205 | goto out_free; | |
7206 | } | |
ad2b26ab JB |
7207 | |
7208 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
7209 | u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
7210 | ||
7211 | if (!wdev) /* must be net-detect */ | |
7212 | flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
7213 | ||
7214 | if (!(wiphy->features & flg)) { | |
7215 | err = -EOPNOTSUPP; | |
7216 | goto out_free; | |
7217 | } | |
7218 | ||
7219 | if (wdev && wdev->current_bss) { | |
7220 | err = -EOPNOTSUPP; | |
7221 | goto out_free; | |
7222 | } | |
7223 | ||
7224 | err = nl80211_parse_random_mac(attrs, request->mac_addr, | |
7225 | request->mac_addr_mask); | |
7226 | if (err) | |
7227 | goto out_free; | |
7228 | } | |
46856bbf | 7229 | } |
ed473771 | 7230 | |
9c748934 LC |
7231 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
7232 | request->delay = | |
7233 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
7234 | ||
bf95ecdb | 7235 | if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) { |
7236 | request->relative_rssi = nla_get_s8( | |
7237 | attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]); | |
7238 | request->relative_rssi_set = true; | |
7239 | } | |
7240 | ||
7241 | if (request->relative_rssi_set && | |
7242 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) { | |
7243 | struct nl80211_bss_select_rssi_adjust *rssi_adjust; | |
7244 | ||
7245 | rssi_adjust = nla_data( | |
7246 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]); | |
7247 | request->rssi_adjust.band = rssi_adjust->band; | |
7248 | request->rssi_adjust.delta = rssi_adjust->delta; | |
7249 | if (!is_band_valid(wiphy, request->rssi_adjust.band)) { | |
7250 | err = -EINVAL; | |
7251 | goto out_free; | |
7252 | } | |
7253 | } | |
7254 | ||
3b06d277 AS |
7255 | err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); |
7256 | if (err) | |
7257 | goto out_free; | |
7258 | ||
15d6030b | 7259 | request->scan_start = jiffies; |
807f8a8c | 7260 | |
256da02d | 7261 | return request; |
807f8a8c LC |
7262 | |
7263 | out_free: | |
7264 | kfree(request); | |
256da02d LC |
7265 | return ERR_PTR(err); |
7266 | } | |
7267 | ||
7268 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
7269 | struct genl_info *info) | |
7270 | { | |
7271 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7272 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 7273 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 7274 | struct cfg80211_sched_scan_request *sched_scan_req; |
256da02d LC |
7275 | int err; |
7276 | ||
7277 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
7278 | !rdev->ops->sched_scan_start) | |
7279 | return -EOPNOTSUPP; | |
7280 | ||
7281 | if (rdev->sched_scan_req) | |
7282 | return -EINPROGRESS; | |
7283 | ||
31a60ed1 | 7284 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
aad1e812 AVS |
7285 | info->attrs, |
7286 | rdev->wiphy.max_match_sets); | |
31a60ed1 JR |
7287 | |
7288 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
7289 | if (err) |
7290 | goto out_err; | |
7291 | ||
31a60ed1 | 7292 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
7293 | if (err) |
7294 | goto out_free; | |
7295 | ||
31a60ed1 JR |
7296 | sched_scan_req->dev = dev; |
7297 | sched_scan_req->wiphy = &rdev->wiphy; | |
7298 | ||
93a1e86c JR |
7299 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
7300 | sched_scan_req->owner_nlportid = info->snd_portid; | |
7301 | ||
31a60ed1 | 7302 | rcu_assign_pointer(rdev->sched_scan_req, sched_scan_req); |
256da02d LC |
7303 | |
7304 | nl80211_send_sched_scan(rdev, dev, | |
7305 | NL80211_CMD_START_SCHED_SCAN); | |
7306 | return 0; | |
7307 | ||
7308 | out_free: | |
31a60ed1 | 7309 | kfree(sched_scan_req); |
256da02d | 7310 | out_err: |
807f8a8c LC |
7311 | return err; |
7312 | } | |
7313 | ||
7314 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
7315 | struct genl_info *info) | |
7316 | { | |
7317 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7318 | ||
7319 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
7320 | !rdev->ops->sched_scan_stop) | |
7321 | return -EOPNOTSUPP; | |
7322 | ||
5fe231e8 | 7323 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
7324 | } |
7325 | ||
04f39047 SW |
7326 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
7327 | struct genl_info *info) | |
7328 | { | |
7329 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7330 | struct net_device *dev = info->user_ptr[1]; | |
7331 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7332 | struct cfg80211_chan_def chandef; | |
55f7435c | 7333 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 7334 | unsigned int cac_time_ms; |
04f39047 SW |
7335 | int err; |
7336 | ||
55f7435c LR |
7337 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
7338 | if (dfs_region == NL80211_DFS_UNSET) | |
7339 | return -EINVAL; | |
7340 | ||
04f39047 SW |
7341 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7342 | if (err) | |
7343 | return err; | |
7344 | ||
ff311bc1 SW |
7345 | if (netif_carrier_ok(dev)) |
7346 | return -EBUSY; | |
7347 | ||
04f39047 SW |
7348 | if (wdev->cac_started) |
7349 | return -EBUSY; | |
7350 | ||
2beb6dab | 7351 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 7352 | wdev->iftype); |
04f39047 SW |
7353 | if (err < 0) |
7354 | return err; | |
7355 | ||
7356 | if (err == 0) | |
7357 | return -EINVAL; | |
7358 | ||
fe7c3a1f | 7359 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
7360 | return -EINVAL; |
7361 | ||
7362 | if (!rdev->ops->start_radar_detection) | |
7363 | return -EOPNOTSUPP; | |
7364 | ||
31559f35 JD |
7365 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
7366 | if (WARN_ON(!cac_time_ms)) | |
7367 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
7368 | ||
a1056b1b | 7369 | err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms); |
04f39047 | 7370 | if (!err) { |
9e0e2961 | 7371 | wdev->chandef = chandef; |
04f39047 SW |
7372 | wdev->cac_started = true; |
7373 | wdev->cac_start_time = jiffies; | |
31559f35 | 7374 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 7375 | } |
04f39047 SW |
7376 | return err; |
7377 | } | |
7378 | ||
16ef1fe2 SW |
7379 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
7380 | { | |
7381 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7382 | struct net_device *dev = info->user_ptr[1]; | |
7383 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7384 | struct cfg80211_csa_settings params; | |
7385 | /* csa_attrs is defined static to avoid waste of stack size - this | |
7386 | * function is called under RTNL lock, so this should not be a problem. | |
7387 | */ | |
7388 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 7389 | int err; |
ee4bc9e7 | 7390 | bool need_new_beacon = false; |
9a774c78 | 7391 | int len, i; |
252e07ca | 7392 | u32 cs_count; |
16ef1fe2 SW |
7393 | |
7394 | if (!rdev->ops->channel_switch || | |
7395 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
7396 | return -EOPNOTSUPP; | |
7397 | ||
ee4bc9e7 SW |
7398 | switch (dev->ieee80211_ptr->iftype) { |
7399 | case NL80211_IFTYPE_AP: | |
7400 | case NL80211_IFTYPE_P2P_GO: | |
7401 | need_new_beacon = true; | |
7402 | ||
7403 | /* useless if AP is not running */ | |
7404 | if (!wdev->beacon_interval) | |
1ff79dfa | 7405 | return -ENOTCONN; |
ee4bc9e7 SW |
7406 | break; |
7407 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
7408 | if (!wdev->ssid_len) |
7409 | return -ENOTCONN; | |
7410 | break; | |
c6da674a | 7411 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
7412 | if (!wdev->mesh_id_len) |
7413 | return -ENOTCONN; | |
ee4bc9e7 SW |
7414 | break; |
7415 | default: | |
16ef1fe2 | 7416 | return -EOPNOTSUPP; |
ee4bc9e7 | 7417 | } |
16ef1fe2 SW |
7418 | |
7419 | memset(¶ms, 0, sizeof(params)); | |
7420 | ||
7421 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7422 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
7423 | return -EINVAL; | |
7424 | ||
7425 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 7426 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
7427 | return -EINVAL; |
7428 | ||
252e07ca LC |
7429 | /* Even though the attribute is u32, the specification says |
7430 | * u8, so let's make sure we don't overflow. | |
7431 | */ | |
7432 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
7433 | if (cs_count > 255) | |
7434 | return -EINVAL; | |
7435 | ||
7436 | params.count = cs_count; | |
16ef1fe2 | 7437 | |
ee4bc9e7 SW |
7438 | if (!need_new_beacon) |
7439 | goto skip_beacons; | |
7440 | ||
16ef1fe2 SW |
7441 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
7442 | if (err) | |
7443 | return err; | |
7444 | ||
7445 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
7446 | info->attrs[NL80211_ATTR_CSA_IES], | |
7447 | nl80211_policy); | |
7448 | if (err) | |
7449 | return err; | |
7450 | ||
7451 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
7452 | if (err) | |
7453 | return err; | |
7454 | ||
7455 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
7456 | return -EINVAL; | |
7457 | ||
9a774c78 AO |
7458 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
7459 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7460 | return -EINVAL; |
7461 | ||
9a774c78 AO |
7462 | params.n_counter_offsets_beacon = len / sizeof(u16); |
7463 | if (rdev->wiphy.max_num_csa_counters && | |
7464 | (params.n_counter_offsets_beacon > | |
7465 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
7466 | return -EINVAL; |
7467 | ||
9a774c78 AO |
7468 | params.counter_offsets_beacon = |
7469 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
7470 | ||
7471 | /* sanity checks - counters should fit and be the same */ | |
7472 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
7473 | u16 offset = params.counter_offsets_beacon[i]; | |
7474 | ||
7475 | if (offset >= params.beacon_csa.tail_len) | |
7476 | return -EINVAL; | |
7477 | ||
7478 | if (params.beacon_csa.tail[offset] != params.count) | |
7479 | return -EINVAL; | |
7480 | } | |
7481 | ||
16ef1fe2 | 7482 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
7483 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
7484 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7485 | return -EINVAL; |
7486 | ||
9a774c78 AO |
7487 | params.n_counter_offsets_presp = len / sizeof(u16); |
7488 | if (rdev->wiphy.max_num_csa_counters && | |
ad5987b4 | 7489 | (params.n_counter_offsets_presp > |
9a774c78 | 7490 | rdev->wiphy.max_num_csa_counters)) |
16ef1fe2 | 7491 | return -EINVAL; |
9a774c78 AO |
7492 | |
7493 | params.counter_offsets_presp = | |
7494 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
7495 | ||
7496 | /* sanity checks - counters should fit and be the same */ | |
7497 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
7498 | u16 offset = params.counter_offsets_presp[i]; | |
7499 | ||
7500 | if (offset >= params.beacon_csa.probe_resp_len) | |
7501 | return -EINVAL; | |
7502 | ||
7503 | if (params.beacon_csa.probe_resp[offset] != | |
7504 | params.count) | |
7505 | return -EINVAL; | |
7506 | } | |
16ef1fe2 SW |
7507 | } |
7508 | ||
ee4bc9e7 | 7509 | skip_beacons: |
16ef1fe2 SW |
7510 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
7511 | if (err) | |
7512 | return err; | |
7513 | ||
923b352f AN |
7514 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
7515 | wdev->iftype)) | |
16ef1fe2 SW |
7516 | return -EINVAL; |
7517 | ||
2beb6dab LC |
7518 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
7519 | ¶ms.chandef, | |
7520 | wdev->iftype); | |
7521 | if (err < 0) | |
7522 | return err; | |
7523 | ||
dcc6c2f5 | 7524 | if (err > 0) |
2beb6dab | 7525 | params.radar_required = true; |
16ef1fe2 | 7526 | |
16ef1fe2 SW |
7527 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
7528 | params.block_tx = true; | |
7529 | ||
c56589ed SW |
7530 | wdev_lock(wdev); |
7531 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
7532 | wdev_unlock(wdev); | |
7533 | ||
7534 | return err; | |
16ef1fe2 SW |
7535 | } |
7536 | ||
9720bb3a JB |
7537 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
7538 | u32 seq, int flags, | |
2a519311 | 7539 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
7540 | struct wireless_dev *wdev, |
7541 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 7542 | { |
48ab905d | 7543 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 7544 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
7545 | void *hdr; |
7546 | struct nlattr *bss; | |
48ab905d JB |
7547 | |
7548 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 7549 | |
15e47304 | 7550 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
7551 | NL80211_CMD_NEW_SCAN_RESULTS); |
7552 | if (!hdr) | |
7553 | return -1; | |
7554 | ||
9720bb3a JB |
7555 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
7556 | ||
97990a06 JB |
7557 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
7558 | goto nla_put_failure; | |
7559 | if (wdev->netdev && | |
9360ffd1 DM |
7560 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
7561 | goto nla_put_failure; | |
2dad624e ND |
7562 | if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
7563 | NL80211_ATTR_PAD)) | |
97990a06 | 7564 | goto nla_put_failure; |
2a519311 JB |
7565 | |
7566 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
7567 | if (!bss) | |
7568 | goto nla_put_failure; | |
9360ffd1 | 7569 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 7570 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 7571 | goto nla_put_failure; |
9caf0364 JB |
7572 | |
7573 | rcu_read_lock(); | |
0e227084 JB |
7574 | /* indicate whether we have probe response data or not */ |
7575 | if (rcu_access_pointer(res->proberesp_ies) && | |
7576 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
7577 | goto fail_unlock_rcu; | |
7578 | ||
7579 | /* this pointer prefers to be pointed to probe response data | |
7580 | * but is always valid | |
7581 | */ | |
9caf0364 | 7582 | ies = rcu_dereference(res->ies); |
8cef2c9d | 7583 | if (ies) { |
2dad624e ND |
7584 | if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf, |
7585 | NL80211_BSS_PAD)) | |
8cef2c9d | 7586 | goto fail_unlock_rcu; |
8cef2c9d JB |
7587 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
7588 | ies->len, ies->data)) | |
7589 | goto fail_unlock_rcu; | |
9caf0364 | 7590 | } |
0e227084 JB |
7591 | |
7592 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 7593 | ies = rcu_dereference(res->beacon_ies); |
0e227084 | 7594 | if (ies && ies->from_beacon) { |
2dad624e ND |
7595 | if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf, |
7596 | NL80211_BSS_PAD)) | |
8cef2c9d JB |
7597 | goto fail_unlock_rcu; |
7598 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
7599 | ies->len, ies->data)) | |
7600 | goto fail_unlock_rcu; | |
9caf0364 JB |
7601 | } |
7602 | rcu_read_unlock(); | |
7603 | ||
9360ffd1 DM |
7604 | if (res->beacon_interval && |
7605 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
7606 | goto nla_put_failure; | |
7607 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
7608 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 7609 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
7610 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
7611 | jiffies_to_msecs(jiffies - intbss->ts))) | |
7612 | goto nla_put_failure; | |
2a519311 | 7613 | |
1d76250b AS |
7614 | if (intbss->parent_tsf && |
7615 | (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF, | |
7616 | intbss->parent_tsf, NL80211_BSS_PAD) || | |
7617 | nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN, | |
7618 | intbss->parent_bssid))) | |
7619 | goto nla_put_failure; | |
7620 | ||
6e19bc4b | 7621 | if (intbss->ts_boottime && |
2dad624e ND |
7622 | nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, |
7623 | intbss->ts_boottime, NL80211_BSS_PAD)) | |
6e19bc4b DS |
7624 | goto nla_put_failure; |
7625 | ||
77965c97 | 7626 | switch (rdev->wiphy.signal_type) { |
2a519311 | 7627 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
7628 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
7629 | goto nla_put_failure; | |
2a519311 JB |
7630 | break; |
7631 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
7632 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
7633 | goto nla_put_failure; | |
2a519311 JB |
7634 | break; |
7635 | default: | |
7636 | break; | |
7637 | } | |
7638 | ||
48ab905d | 7639 | switch (wdev->iftype) { |
074ac8df | 7640 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 7641 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
7642 | if (intbss == wdev->current_bss && |
7643 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7644 | NL80211_BSS_STATUS_ASSOCIATED)) | |
7645 | goto nla_put_failure; | |
48ab905d JB |
7646 | break; |
7647 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
7648 | if (intbss == wdev->current_bss && |
7649 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7650 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
7651 | goto nla_put_failure; | |
48ab905d JB |
7652 | break; |
7653 | default: | |
7654 | break; | |
7655 | } | |
7656 | ||
2a519311 JB |
7657 | nla_nest_end(msg, bss); |
7658 | ||
053c095a JB |
7659 | genlmsg_end(msg, hdr); |
7660 | return 0; | |
2a519311 | 7661 | |
8cef2c9d JB |
7662 | fail_unlock_rcu: |
7663 | rcu_read_unlock(); | |
2a519311 JB |
7664 | nla_put_failure: |
7665 | genlmsg_cancel(msg, hdr); | |
7666 | return -EMSGSIZE; | |
7667 | } | |
7668 | ||
97990a06 | 7669 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 7670 | { |
48ab905d | 7671 | struct cfg80211_registered_device *rdev; |
2a519311 | 7672 | struct cfg80211_internal_bss *scan; |
48ab905d | 7673 | struct wireless_dev *wdev; |
97990a06 | 7674 | int start = cb->args[2], idx = 0; |
2a519311 JB |
7675 | int err; |
7676 | ||
97990a06 | 7677 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7678 | if (err) |
7679 | return err; | |
2a519311 | 7680 | |
48ab905d JB |
7681 | wdev_lock(wdev); |
7682 | spin_lock_bh(&rdev->bss_lock); | |
7683 | cfg80211_bss_expire(rdev); | |
7684 | ||
9720bb3a JB |
7685 | cb->seq = rdev->bss_generation; |
7686 | ||
48ab905d | 7687 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
7688 | if (++idx <= start) |
7689 | continue; | |
9720bb3a | 7690 | if (nl80211_send_bss(skb, cb, |
2a519311 | 7691 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 7692 | rdev, wdev, scan) < 0) { |
2a519311 | 7693 | idx--; |
67748893 | 7694 | break; |
2a519311 JB |
7695 | } |
7696 | } | |
7697 | ||
48ab905d JB |
7698 | spin_unlock_bh(&rdev->bss_lock); |
7699 | wdev_unlock(wdev); | |
2a519311 | 7700 | |
97990a06 JB |
7701 | cb->args[2] = idx; |
7702 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 7703 | |
67748893 | 7704 | return skb->len; |
2a519311 JB |
7705 | } |
7706 | ||
15e47304 | 7707 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
7708 | int flags, struct net_device *dev, |
7709 | bool allow_radio_stats, | |
7710 | struct survey_info *survey) | |
61fa713c HS |
7711 | { |
7712 | void *hdr; | |
7713 | struct nlattr *infoattr; | |
7714 | ||
11f78ac3 JB |
7715 | /* skip radio stats if userspace didn't request them */ |
7716 | if (!survey->channel && !allow_radio_stats) | |
7717 | return 0; | |
7718 | ||
15e47304 | 7719 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
7720 | NL80211_CMD_NEW_SURVEY_RESULTS); |
7721 | if (!hdr) | |
7722 | return -ENOMEM; | |
7723 | ||
9360ffd1 DM |
7724 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
7725 | goto nla_put_failure; | |
61fa713c HS |
7726 | |
7727 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
7728 | if (!infoattr) | |
7729 | goto nla_put_failure; | |
7730 | ||
11f78ac3 JB |
7731 | if (survey->channel && |
7732 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
7733 | survey->channel->center_freq)) |
7734 | goto nla_put_failure; | |
7735 | ||
7736 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
7737 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
7738 | goto nla_put_failure; | |
7739 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
7740 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
7741 | goto nla_put_failure; | |
4ed20beb | 7742 | if ((survey->filled & SURVEY_INFO_TIME) && |
2dad624e ND |
7743 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME, |
7744 | survey->time, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7745 | goto nla_put_failure; |
4ed20beb | 7746 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
2dad624e ND |
7747 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY, |
7748 | survey->time_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7749 | goto nla_put_failure; |
4ed20beb | 7750 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
2dad624e ND |
7751 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, |
7752 | survey->time_ext_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7753 | goto nla_put_failure; |
4ed20beb | 7754 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
2dad624e ND |
7755 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX, |
7756 | survey->time_rx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7757 | goto nla_put_failure; |
4ed20beb | 7758 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
2dad624e ND |
7759 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX, |
7760 | survey->time_tx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7761 | goto nla_put_failure; |
052536ab | 7762 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
2dad624e ND |
7763 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN, |
7764 | survey->time_scan, NL80211_SURVEY_INFO_PAD)) | |
052536ab | 7765 | goto nla_put_failure; |
61fa713c HS |
7766 | |
7767 | nla_nest_end(msg, infoattr); | |
7768 | ||
053c095a JB |
7769 | genlmsg_end(msg, hdr); |
7770 | return 0; | |
61fa713c HS |
7771 | |
7772 | nla_put_failure: | |
7773 | genlmsg_cancel(msg, hdr); | |
7774 | return -EMSGSIZE; | |
7775 | } | |
7776 | ||
11f78ac3 | 7777 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c | 7778 | { |
c90c39da | 7779 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
61fa713c | 7780 | struct survey_info survey; |
1b8ec87a | 7781 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
7782 | struct wireless_dev *wdev; |
7783 | int survey_idx = cb->args[2]; | |
61fa713c | 7784 | int res; |
11f78ac3 | 7785 | bool radio_stats; |
61fa713c | 7786 | |
1b8ec87a | 7787 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7788 | if (res) |
7789 | return res; | |
61fa713c | 7790 | |
11f78ac3 | 7791 | /* prepare_wdev_dump parsed the attributes */ |
c90c39da | 7792 | radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; |
11f78ac3 | 7793 | |
97990a06 JB |
7794 | if (!wdev->netdev) { |
7795 | res = -EINVAL; | |
7796 | goto out_err; | |
7797 | } | |
7798 | ||
1b8ec87a | 7799 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
7800 | res = -EOPNOTSUPP; |
7801 | goto out_err; | |
7802 | } | |
7803 | ||
7804 | while (1) { | |
1b8ec87a | 7805 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
7806 | if (res == -ENOENT) |
7807 | break; | |
7808 | if (res) | |
7809 | goto out_err; | |
7810 | ||
11f78ac3 JB |
7811 | /* don't send disabled channels, but do send non-channel data */ |
7812 | if (survey.channel && | |
7813 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
7814 | survey_idx++; |
7815 | continue; | |
7816 | } | |
7817 | ||
61fa713c | 7818 | if (nl80211_send_survey(skb, |
15e47304 | 7819 | NETLINK_CB(cb->skb).portid, |
61fa713c | 7820 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 7821 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
7822 | goto out; |
7823 | survey_idx++; | |
7824 | } | |
7825 | ||
7826 | out: | |
97990a06 | 7827 | cb->args[2] = survey_idx; |
61fa713c HS |
7828 | res = skb->len; |
7829 | out_err: | |
1b8ec87a | 7830 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
7831 | return res; |
7832 | } | |
7833 | ||
b23aa676 SO |
7834 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
7835 | { | |
7836 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
7837 | NL80211_WPA_VERSION_2)); | |
7838 | } | |
7839 | ||
636a5d36 JM |
7840 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
7841 | { | |
4c476991 JB |
7842 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7843 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7844 | struct ieee80211_channel *chan; |
11b6b5a4 JM |
7845 | const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL; |
7846 | int err, ssid_len, ie_len = 0, auth_data_len = 0; | |
19957bb3 | 7847 | enum nl80211_auth_type auth_type; |
fffd0934 | 7848 | struct key_parse key; |
d5cdfacb | 7849 | bool local_state_change; |
636a5d36 | 7850 | |
f4a11bb0 JB |
7851 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7852 | return -EINVAL; | |
7853 | ||
7854 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7855 | return -EINVAL; | |
7856 | ||
1778092e JM |
7857 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
7858 | return -EINVAL; | |
7859 | ||
19957bb3 JB |
7860 | if (!info->attrs[NL80211_ATTR_SSID]) |
7861 | return -EINVAL; | |
7862 | ||
7863 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7864 | return -EINVAL; | |
7865 | ||
fffd0934 JB |
7866 | err = nl80211_parse_key(info, &key); |
7867 | if (err) | |
7868 | return err; | |
7869 | ||
7870 | if (key.idx >= 0) { | |
e31b8213 JB |
7871 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
7872 | return -EINVAL; | |
fffd0934 JB |
7873 | if (!key.p.key || !key.p.key_len) |
7874 | return -EINVAL; | |
7875 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
7876 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
7877 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
7878 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
7879 | return -EINVAL; | |
b6b5555b | 7880 | if (key.idx > 3) |
fffd0934 JB |
7881 | return -EINVAL; |
7882 | } else { | |
7883 | key.p.key_len = 0; | |
7884 | key.p.key = NULL; | |
7885 | } | |
7886 | ||
afea0b7a JB |
7887 | if (key.idx >= 0) { |
7888 | int i; | |
7889 | bool ok = false; | |
7a087e74 | 7890 | |
afea0b7a JB |
7891 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
7892 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
7893 | ok = true; | |
7894 | break; | |
7895 | } | |
7896 | } | |
4c476991 JB |
7897 | if (!ok) |
7898 | return -EINVAL; | |
afea0b7a JB |
7899 | } |
7900 | ||
4c476991 JB |
7901 | if (!rdev->ops->auth) |
7902 | return -EOPNOTSUPP; | |
636a5d36 | 7903 | |
074ac8df | 7904 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7905 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7906 | return -EOPNOTSUPP; | |
eec60b03 | 7907 | |
19957bb3 | 7908 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
7909 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7910 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7911 | if (!chan) | |
4c476991 | 7912 | return -EINVAL; |
636a5d36 | 7913 | |
19957bb3 JB |
7914 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7915 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7916 | |
7917 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7918 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7919 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7920 | } |
7921 | ||
19957bb3 | 7922 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 7923 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 7924 | return -EINVAL; |
636a5d36 | 7925 | |
63181060 JM |
7926 | if ((auth_type == NL80211_AUTHTYPE_SAE || |
7927 | auth_type == NL80211_AUTHTYPE_FILS_SK || | |
7928 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
7929 | auth_type == NL80211_AUTHTYPE_FILS_PK) && | |
11b6b5a4 | 7930 | !info->attrs[NL80211_ATTR_AUTH_DATA]) |
e39e5b5e JM |
7931 | return -EINVAL; |
7932 | ||
11b6b5a4 | 7933 | if (info->attrs[NL80211_ATTR_AUTH_DATA]) { |
63181060 JM |
7934 | if (auth_type != NL80211_AUTHTYPE_SAE && |
7935 | auth_type != NL80211_AUTHTYPE_FILS_SK && | |
7936 | auth_type != NL80211_AUTHTYPE_FILS_SK_PFS && | |
7937 | auth_type != NL80211_AUTHTYPE_FILS_PK) | |
e39e5b5e | 7938 | return -EINVAL; |
11b6b5a4 JM |
7939 | auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]); |
7940 | auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]); | |
e39e5b5e | 7941 | /* need to include at least Auth Transaction and Status Code */ |
11b6b5a4 | 7942 | if (auth_data_len < 4) |
e39e5b5e JM |
7943 | return -EINVAL; |
7944 | } | |
7945 | ||
d5cdfacb JM |
7946 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7947 | ||
95de817b JB |
7948 | /* |
7949 | * Since we no longer track auth state, ignore | |
7950 | * requests to only change local state. | |
7951 | */ | |
7952 | if (local_state_change) | |
7953 | return 0; | |
7954 | ||
91bf9b26 JB |
7955 | wdev_lock(dev->ieee80211_ptr); |
7956 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
7957 | ssid, ssid_len, ie, ie_len, | |
7958 | key.p.key, key.p.key_len, key.idx, | |
11b6b5a4 | 7959 | auth_data, auth_data_len); |
91bf9b26 JB |
7960 | wdev_unlock(dev->ieee80211_ptr); |
7961 | return err; | |
636a5d36 JM |
7962 | } |
7963 | ||
c0692b8f JB |
7964 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
7965 | struct genl_info *info, | |
3dc27d25 JB |
7966 | struct cfg80211_crypto_settings *settings, |
7967 | int cipher_limit) | |
b23aa676 | 7968 | { |
c0b2bbd8 JB |
7969 | memset(settings, 0, sizeof(*settings)); |
7970 | ||
b23aa676 SO |
7971 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
7972 | ||
c0692b8f JB |
7973 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
7974 | u16 proto; | |
7a087e74 | 7975 | |
c0692b8f JB |
7976 | proto = nla_get_u16( |
7977 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
7978 | settings->control_port_ethertype = cpu_to_be16(proto); | |
7979 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
7980 | proto != ETH_P_PAE) | |
7981 | return -EINVAL; | |
7982 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
7983 | settings->control_port_no_encrypt = true; | |
7984 | } else | |
7985 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
7986 | ||
b23aa676 SO |
7987 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
7988 | void *data; | |
7989 | int len, i; | |
7990 | ||
7991 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7992 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7993 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
7994 | ||
7995 | if (len % sizeof(u32)) | |
7996 | return -EINVAL; | |
7997 | ||
3dc27d25 | 7998 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
7999 | return -EINVAL; |
8000 | ||
8001 | memcpy(settings->ciphers_pairwise, data, len); | |
8002 | ||
8003 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
8004 | if (!cfg80211_supported_cipher_suite( |
8005 | &rdev->wiphy, | |
b23aa676 SO |
8006 | settings->ciphers_pairwise[i])) |
8007 | return -EINVAL; | |
8008 | } | |
8009 | ||
8010 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
8011 | settings->cipher_group = | |
8012 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
8013 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
8014 | settings->cipher_group)) | |
b23aa676 SO |
8015 | return -EINVAL; |
8016 | } | |
8017 | ||
8018 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
8019 | settings->wpa_versions = | |
8020 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
8021 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
8022 | return -EINVAL; | |
8023 | } | |
8024 | ||
8025 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
8026 | void *data; | |
6d30240e | 8027 | int len; |
b23aa676 SO |
8028 | |
8029 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
8030 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
8031 | settings->n_akm_suites = len / sizeof(u32); | |
8032 | ||
8033 | if (len % sizeof(u32)) | |
8034 | return -EINVAL; | |
8035 | ||
1b9ca027 JM |
8036 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
8037 | return -EINVAL; | |
8038 | ||
b23aa676 | 8039 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
8040 | } |
8041 | ||
8042 | return 0; | |
8043 | } | |
8044 | ||
636a5d36 JM |
8045 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
8046 | { | |
4c476991 JB |
8047 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8048 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 8049 | struct ieee80211_channel *chan; |
f62fab73 JB |
8050 | struct cfg80211_assoc_request req = {}; |
8051 | const u8 *bssid, *ssid; | |
8052 | int err, ssid_len = 0; | |
636a5d36 | 8053 | |
f4a11bb0 JB |
8054 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8055 | return -EINVAL; | |
8056 | ||
8057 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
8058 | !info->attrs[NL80211_ATTR_SSID] || |
8059 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
8060 | return -EINVAL; |
8061 | ||
4c476991 JB |
8062 | if (!rdev->ops->assoc) |
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]); |
636a5d36 | 8070 | |
664834de JM |
8071 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
8072 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8073 | if (!chan) | |
4c476991 | 8074 | return -EINVAL; |
636a5d36 | 8075 | |
19957bb3 JB |
8076 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8077 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
8078 | |
8079 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
8080 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8081 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8082 | } |
8083 | ||
dc6382ce | 8084 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 8085 | enum nl80211_mfp mfp = |
dc6382ce | 8086 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 8087 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 8088 | req.use_mfp = true; |
4c476991 JB |
8089 | else if (mfp != NL80211_MFP_NO) |
8090 | return -EINVAL; | |
dc6382ce JM |
8091 | } |
8092 | ||
3e5d7649 | 8093 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 8094 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 8095 | |
7e7c8926 | 8096 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 8097 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
8098 | |
8099 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
8100 | memcpy(&req.ht_capa_mask, |
8101 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8102 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
8103 | |
8104 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 8105 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 8106 | return -EINVAL; |
f62fab73 JB |
8107 | memcpy(&req.ht_capa, |
8108 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8109 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
8110 | } |
8111 | ||
ee2aca34 | 8112 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 8113 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
8114 | |
8115 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
8116 | memcpy(&req.vht_capa_mask, |
8117 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8118 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
8119 | |
8120 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 8121 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 8122 | return -EINVAL; |
f62fab73 JB |
8123 | memcpy(&req.vht_capa, |
8124 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8125 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
8126 | } |
8127 | ||
bab5ab7d | 8128 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8129 | if (!((rdev->wiphy.features & |
8130 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8131 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8132 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8133 | NL80211_EXT_FEATURE_RRM)) | |
bab5ab7d AK |
8134 | return -EINVAL; |
8135 | req.flags |= ASSOC_REQ_USE_RRM; | |
8136 | } | |
8137 | ||
348bd456 JM |
8138 | if (info->attrs[NL80211_ATTR_FILS_KEK]) { |
8139 | req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8140 | req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8141 | if (!info->attrs[NL80211_ATTR_FILS_NONCES]) | |
8142 | return -EINVAL; | |
8143 | req.fils_nonces = | |
8144 | nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]); | |
8145 | } | |
8146 | ||
f62fab73 | 8147 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
8148 | if (!err) { |
8149 | wdev_lock(dev->ieee80211_ptr); | |
bd2522b1 | 8150 | |
f62fab73 JB |
8151 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
8152 | ssid, ssid_len, &req); | |
bd2522b1 AZ |
8153 | |
8154 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
8155 | dev->ieee80211_ptr->conn_owner_nlportid = | |
8156 | info->snd_portid; | |
8157 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
8158 | bssid, ETH_ALEN); | |
8159 | } | |
8160 | ||
91bf9b26 JB |
8161 | wdev_unlock(dev->ieee80211_ptr); |
8162 | } | |
636a5d36 | 8163 | |
636a5d36 JM |
8164 | return err; |
8165 | } | |
8166 | ||
8167 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
8168 | { | |
4c476991 JB |
8169 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8170 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8171 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8172 | int ie_len = 0, err; |
19957bb3 | 8173 | u16 reason_code; |
d5cdfacb | 8174 | bool local_state_change; |
636a5d36 | 8175 | |
f4a11bb0 JB |
8176 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8177 | return -EINVAL; | |
8178 | ||
8179 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8180 | return -EINVAL; | |
8181 | ||
8182 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8183 | return -EINVAL; | |
8184 | ||
4c476991 JB |
8185 | if (!rdev->ops->deauth) |
8186 | return -EOPNOTSUPP; | |
636a5d36 | 8187 | |
074ac8df | 8188 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8189 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8190 | return -EOPNOTSUPP; | |
eec60b03 | 8191 | |
19957bb3 | 8192 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8193 | |
19957bb3 JB |
8194 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8195 | if (reason_code == 0) { | |
f4a11bb0 | 8196 | /* Reason Code 0 is reserved */ |
4c476991 | 8197 | return -EINVAL; |
255e737e | 8198 | } |
636a5d36 JM |
8199 | |
8200 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8201 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8202 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8203 | } |
8204 | ||
d5cdfacb JM |
8205 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8206 | ||
91bf9b26 JB |
8207 | wdev_lock(dev->ieee80211_ptr); |
8208 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
8209 | local_state_change); | |
8210 | wdev_unlock(dev->ieee80211_ptr); | |
8211 | return err; | |
636a5d36 JM |
8212 | } |
8213 | ||
8214 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
8215 | { | |
4c476991 JB |
8216 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8217 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8218 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8219 | int ie_len = 0, err; |
19957bb3 | 8220 | u16 reason_code; |
d5cdfacb | 8221 | bool local_state_change; |
636a5d36 | 8222 | |
f4a11bb0 JB |
8223 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8224 | return -EINVAL; | |
8225 | ||
8226 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8227 | return -EINVAL; | |
8228 | ||
8229 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8230 | return -EINVAL; | |
8231 | ||
4c476991 JB |
8232 | if (!rdev->ops->disassoc) |
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 | |
19957bb3 JB |
8241 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8242 | if (reason_code == 0) { | |
f4a11bb0 | 8243 | /* Reason Code 0 is reserved */ |
4c476991 | 8244 | return -EINVAL; |
255e737e | 8245 | } |
636a5d36 JM |
8246 | |
8247 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8248 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8249 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8250 | } |
8251 | ||
d5cdfacb JM |
8252 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8253 | ||
91bf9b26 JB |
8254 | wdev_lock(dev->ieee80211_ptr); |
8255 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
8256 | local_state_change); | |
8257 | wdev_unlock(dev->ieee80211_ptr); | |
8258 | return err; | |
636a5d36 JM |
8259 | } |
8260 | ||
dd5b4cc7 FF |
8261 | static bool |
8262 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
57fbcce3 | 8263 | int mcast_rate[NUM_NL80211_BANDS], |
dd5b4cc7 FF |
8264 | int rateval) |
8265 | { | |
8266 | struct wiphy *wiphy = &rdev->wiphy; | |
8267 | bool found = false; | |
8268 | int band, i; | |
8269 | ||
57fbcce3 | 8270 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
dd5b4cc7 FF |
8271 | struct ieee80211_supported_band *sband; |
8272 | ||
8273 | sband = wiphy->bands[band]; | |
8274 | if (!sband) | |
8275 | continue; | |
8276 | ||
8277 | for (i = 0; i < sband->n_bitrates; i++) { | |
8278 | if (sband->bitrates[i].bitrate == rateval) { | |
8279 | mcast_rate[band] = i + 1; | |
8280 | found = true; | |
8281 | break; | |
8282 | } | |
8283 | } | |
8284 | } | |
8285 | ||
8286 | return found; | |
8287 | } | |
8288 | ||
04a773ad JB |
8289 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
8290 | { | |
4c476991 JB |
8291 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8292 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
8293 | struct cfg80211_ibss_params ibss; |
8294 | struct wiphy *wiphy; | |
fffd0934 | 8295 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
8296 | int err; |
8297 | ||
8e30bc55 JB |
8298 | memset(&ibss, 0, sizeof(ibss)); |
8299 | ||
04a773ad JB |
8300 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8301 | return -EINVAL; | |
8302 | ||
683b6d3b | 8303 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
8304 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
8305 | return -EINVAL; | |
8306 | ||
8e30bc55 JB |
8307 | ibss.beacon_interval = 100; |
8308 | ||
12d20fc9 | 8309 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) |
8e30bc55 JB |
8310 | ibss.beacon_interval = |
8311 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 8312 | |
0c317a02 PK |
8313 | err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC, |
8314 | ibss.beacon_interval); | |
12d20fc9 PK |
8315 | if (err) |
8316 | return err; | |
8e30bc55 | 8317 | |
4c476991 JB |
8318 | if (!rdev->ops->join_ibss) |
8319 | return -EOPNOTSUPP; | |
04a773ad | 8320 | |
4c476991 JB |
8321 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8322 | return -EOPNOTSUPP; | |
04a773ad | 8323 | |
79c97e97 | 8324 | wiphy = &rdev->wiphy; |
04a773ad | 8325 | |
39193498 | 8326 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 8327 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
8328 | |
8329 | if (!is_valid_ether_addr(ibss.bssid)) | |
8330 | return -EINVAL; | |
8331 | } | |
04a773ad JB |
8332 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8333 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8334 | ||
8335 | if (info->attrs[NL80211_ATTR_IE]) { | |
8336 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8337 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8338 | } | |
8339 | ||
683b6d3b JB |
8340 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
8341 | if (err) | |
8342 | return err; | |
04a773ad | 8343 | |
174e0cd2 IP |
8344 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
8345 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
8346 | return -EINVAL; |
8347 | ||
2f301ab2 | 8348 | switch (ibss.chandef.width) { |
bf372645 SW |
8349 | case NL80211_CHAN_WIDTH_5: |
8350 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
8351 | case NL80211_CHAN_WIDTH_20_NOHT: |
8352 | break; | |
8353 | case NL80211_CHAN_WIDTH_20: | |
8354 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
8355 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
8356 | return -EINVAL; | |
8357 | break; | |
8358 | case NL80211_CHAN_WIDTH_80: | |
8359 | case NL80211_CHAN_WIDTH_80P80: | |
8360 | case NL80211_CHAN_WIDTH_160: | |
8361 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
8362 | return -EINVAL; | |
8363 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
8364 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
8365 | return -EINVAL; | |
8366 | break; | |
2f301ab2 | 8367 | default: |
c04d6150 | 8368 | return -EINVAL; |
2f301ab2 | 8369 | } |
db9c64cf | 8370 | |
04a773ad | 8371 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
8372 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
8373 | ||
fbd2c8dc TP |
8374 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8375 | u8 *rates = | |
8376 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8377 | int n_rates = | |
8378 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8379 | struct ieee80211_supported_band *sband = | |
683b6d3b | 8380 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 8381 | |
34850ab2 JB |
8382 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
8383 | &ibss.basic_rates); | |
8384 | if (err) | |
8385 | return err; | |
fbd2c8dc | 8386 | } |
dd5b4cc7 | 8387 | |
803768f5 SW |
8388 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
8389 | memcpy(&ibss.ht_capa_mask, | |
8390 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8391 | sizeof(ibss.ht_capa_mask)); | |
8392 | ||
8393 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
8394 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8395 | return -EINVAL; | |
8396 | memcpy(&ibss.ht_capa, | |
8397 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8398 | sizeof(ibss.ht_capa)); | |
8399 | } | |
8400 | ||
dd5b4cc7 FF |
8401 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8402 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
8403 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8404 | return -EINVAL; | |
fbd2c8dc | 8405 | |
4c476991 | 8406 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
8407 | bool no_ht = false; |
8408 | ||
4c476991 | 8409 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
8410 | info->attrs[NL80211_ATTR_KEYS], |
8411 | &no_ht); | |
4c476991 JB |
8412 | if (IS_ERR(connkeys)) |
8413 | return PTR_ERR(connkeys); | |
de7044ee | 8414 | |
3d9d1d66 JB |
8415 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
8416 | no_ht) { | |
5e950a78 | 8417 | kzfree(connkeys); |
de7044ee SM |
8418 | return -EINVAL; |
8419 | } | |
4c476991 | 8420 | } |
04a773ad | 8421 | |
267335d6 AQ |
8422 | ibss.control_port = |
8423 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
8424 | ||
5336fa88 SW |
8425 | ibss.userspace_handles_dfs = |
8426 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
8427 | ||
4c476991 | 8428 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 8429 | if (err) |
b47f610b | 8430 | kzfree(connkeys); |
04a773ad JB |
8431 | return err; |
8432 | } | |
8433 | ||
8434 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
8435 | { | |
4c476991 JB |
8436 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8437 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 8438 | |
4c476991 JB |
8439 | if (!rdev->ops->leave_ibss) |
8440 | return -EOPNOTSUPP; | |
04a773ad | 8441 | |
4c476991 JB |
8442 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8443 | return -EOPNOTSUPP; | |
04a773ad | 8444 | |
4c476991 | 8445 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
8446 | } |
8447 | ||
f4e583c8 AQ |
8448 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
8449 | { | |
8450 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8451 | struct net_device *dev = info->user_ptr[1]; | |
57fbcce3 | 8452 | int mcast_rate[NUM_NL80211_BANDS]; |
f4e583c8 AQ |
8453 | u32 nla_rate; |
8454 | int err; | |
8455 | ||
8456 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
8457 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
8458 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
8459 | return -EOPNOTSUPP; |
8460 | ||
8461 | if (!rdev->ops->set_mcast_rate) | |
8462 | return -EOPNOTSUPP; | |
8463 | ||
8464 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
8465 | ||
8466 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
8467 | return -EINVAL; | |
8468 | ||
8469 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
8470 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
8471 | return -EINVAL; | |
8472 | ||
a1056b1b | 8473 | err = rdev_set_mcast_rate(rdev, dev, mcast_rate); |
f4e583c8 AQ |
8474 | |
8475 | return err; | |
8476 | } | |
8477 | ||
ad7e718c JB |
8478 | static struct sk_buff * |
8479 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
8480 | struct wireless_dev *wdev, int approxlen, |
8481 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
8482 | enum nl80211_attrs attr, |
8483 | const struct nl80211_vendor_cmd_info *info, | |
8484 | gfp_t gfp) | |
ad7e718c JB |
8485 | { |
8486 | struct sk_buff *skb; | |
8487 | void *hdr; | |
8488 | struct nlattr *data; | |
8489 | ||
8490 | skb = nlmsg_new(approxlen + 100, gfp); | |
8491 | if (!skb) | |
8492 | return NULL; | |
8493 | ||
8494 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
8495 | if (!hdr) { | |
8496 | kfree_skb(skb); | |
8497 | return NULL; | |
8498 | } | |
8499 | ||
8500 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
8501 | goto nla_put_failure; | |
567ffc35 JB |
8502 | |
8503 | if (info) { | |
8504 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
8505 | info->vendor_id)) | |
8506 | goto nla_put_failure; | |
8507 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
8508 | info->subcmd)) | |
8509 | goto nla_put_failure; | |
8510 | } | |
8511 | ||
6c09e791 | 8512 | if (wdev) { |
2dad624e ND |
8513 | if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
8514 | wdev_id(wdev), NL80211_ATTR_PAD)) | |
6c09e791 AK |
8515 | goto nla_put_failure; |
8516 | if (wdev->netdev && | |
8517 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
8518 | wdev->netdev->ifindex)) | |
8519 | goto nla_put_failure; | |
8520 | } | |
8521 | ||
ad7e718c | 8522 | data = nla_nest_start(skb, attr); |
76e1fb4b JB |
8523 | if (!data) |
8524 | goto nla_put_failure; | |
ad7e718c JB |
8525 | |
8526 | ((void **)skb->cb)[0] = rdev; | |
8527 | ((void **)skb->cb)[1] = hdr; | |
8528 | ((void **)skb->cb)[2] = data; | |
8529 | ||
8530 | return skb; | |
8531 | ||
8532 | nla_put_failure: | |
8533 | kfree_skb(skb); | |
8534 | return NULL; | |
8535 | } | |
f4e583c8 | 8536 | |
e03ad6ea | 8537 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 8538 | struct wireless_dev *wdev, |
e03ad6ea JB |
8539 | enum nl80211_commands cmd, |
8540 | enum nl80211_attrs attr, | |
8541 | int vendor_event_idx, | |
8542 | int approxlen, gfp_t gfp) | |
8543 | { | |
f26cbf40 | 8544 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
8545 | const struct nl80211_vendor_cmd_info *info; |
8546 | ||
8547 | switch (cmd) { | |
8548 | case NL80211_CMD_TESTMODE: | |
8549 | if (WARN_ON(vendor_event_idx != -1)) | |
8550 | return NULL; | |
8551 | info = NULL; | |
8552 | break; | |
8553 | case NL80211_CMD_VENDOR: | |
8554 | if (WARN_ON(vendor_event_idx < 0 || | |
8555 | vendor_event_idx >= wiphy->n_vendor_events)) | |
8556 | return NULL; | |
8557 | info = &wiphy->vendor_events[vendor_event_idx]; | |
8558 | break; | |
8559 | default: | |
8560 | WARN_ON(1); | |
8561 | return NULL; | |
8562 | } | |
8563 | ||
6c09e791 | 8564 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0, |
e03ad6ea JB |
8565 | cmd, attr, info, gfp); |
8566 | } | |
8567 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
8568 | ||
8569 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
8570 | { | |
8571 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
8572 | void *hdr = ((void **)skb->cb)[1]; | |
8573 | struct nlattr *data = ((void **)skb->cb)[2]; | |
8574 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
8575 | ||
bd8c78e7 JB |
8576 | /* clear CB data for netlink core to own from now on */ |
8577 | memset(skb->cb, 0, sizeof(skb->cb)); | |
8578 | ||
e03ad6ea JB |
8579 | nla_nest_end(skb, data); |
8580 | genlmsg_end(skb, hdr); | |
8581 | ||
8582 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
8583 | mcgrp = NL80211_MCGRP_VENDOR; | |
8584 | ||
8585 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
8586 | mcgrp, gfp); | |
8587 | } | |
8588 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
8589 | ||
aff89a9b | 8590 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
8591 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
8592 | { | |
4c476991 | 8593 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
8594 | struct wireless_dev *wdev = |
8595 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
8596 | int err; |
8597 | ||
fc73f11f DS |
8598 | if (!rdev->ops->testmode_cmd) |
8599 | return -EOPNOTSUPP; | |
8600 | ||
8601 | if (IS_ERR(wdev)) { | |
8602 | err = PTR_ERR(wdev); | |
8603 | if (err != -EINVAL) | |
8604 | return err; | |
8605 | wdev = NULL; | |
8606 | } else if (wdev->wiphy != &rdev->wiphy) { | |
8607 | return -EINVAL; | |
8608 | } | |
8609 | ||
aff89a9b JB |
8610 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
8611 | return -EINVAL; | |
8612 | ||
ad7e718c | 8613 | rdev->cur_cmd_info = info; |
fc73f11f | 8614 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
8615 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
8616 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 8617 | rdev->cur_cmd_info = NULL; |
aff89a9b | 8618 | |
aff89a9b JB |
8619 | return err; |
8620 | } | |
8621 | ||
71063f0e WYG |
8622 | static int nl80211_testmode_dump(struct sk_buff *skb, |
8623 | struct netlink_callback *cb) | |
8624 | { | |
00918d33 | 8625 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
8626 | int err; |
8627 | long phy_idx; | |
8628 | void *data = NULL; | |
8629 | int data_len = 0; | |
8630 | ||
5fe231e8 JB |
8631 | rtnl_lock(); |
8632 | ||
71063f0e WYG |
8633 | if (cb->args[0]) { |
8634 | /* | |
8635 | * 0 is a valid index, but not valid for args[0], | |
8636 | * so we need to offset by 1. | |
8637 | */ | |
8638 | phy_idx = cb->args[0] - 1; | |
a4956dca LC |
8639 | |
8640 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); | |
8641 | if (!rdev) { | |
8642 | err = -ENOENT; | |
8643 | goto out_err; | |
8644 | } | |
71063f0e | 8645 | } else { |
c90c39da JB |
8646 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
8647 | ||
71063f0e | 8648 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
c90c39da | 8649 | attrbuf, nl80211_fam.maxattr, nl80211_policy); |
71063f0e | 8650 | if (err) |
5fe231e8 | 8651 | goto out_err; |
00918d33 | 8652 | |
c90c39da | 8653 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
2bd7e35d | 8654 | if (IS_ERR(rdev)) { |
5fe231e8 JB |
8655 | err = PTR_ERR(rdev); |
8656 | goto out_err; | |
00918d33 | 8657 | } |
2bd7e35d | 8658 | phy_idx = rdev->wiphy_idx; |
2bd7e35d | 8659 | |
c90c39da JB |
8660 | if (attrbuf[NL80211_ATTR_TESTDATA]) |
8661 | cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA]; | |
71063f0e WYG |
8662 | } |
8663 | ||
8664 | if (cb->args[1]) { | |
8665 | data = nla_data((void *)cb->args[1]); | |
8666 | data_len = nla_len((void *)cb->args[1]); | |
8667 | } | |
8668 | ||
00918d33 | 8669 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
8670 | err = -EOPNOTSUPP; |
8671 | goto out_err; | |
8672 | } | |
8673 | ||
8674 | while (1) { | |
15e47304 | 8675 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
8676 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8677 | NL80211_CMD_TESTMODE); | |
8678 | struct nlattr *tmdata; | |
8679 | ||
cb35fba3 DC |
8680 | if (!hdr) |
8681 | break; | |
8682 | ||
9360ffd1 | 8683 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
8684 | genlmsg_cancel(skb, hdr); |
8685 | break; | |
8686 | } | |
8687 | ||
8688 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
8689 | if (!tmdata) { | |
8690 | genlmsg_cancel(skb, hdr); | |
8691 | break; | |
8692 | } | |
e35e4d28 | 8693 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
8694 | nla_nest_end(skb, tmdata); |
8695 | ||
8696 | if (err == -ENOBUFS || err == -ENOENT) { | |
8697 | genlmsg_cancel(skb, hdr); | |
8698 | break; | |
8699 | } else if (err) { | |
8700 | genlmsg_cancel(skb, hdr); | |
8701 | goto out_err; | |
8702 | } | |
8703 | ||
8704 | genlmsg_end(skb, hdr); | |
8705 | } | |
8706 | ||
8707 | err = skb->len; | |
8708 | /* see above */ | |
8709 | cb->args[0] = phy_idx + 1; | |
8710 | out_err: | |
5fe231e8 | 8711 | rtnl_unlock(); |
71063f0e WYG |
8712 | return err; |
8713 | } | |
aff89a9b JB |
8714 | #endif |
8715 | ||
b23aa676 SO |
8716 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
8717 | { | |
4c476991 JB |
8718 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8719 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
8720 | struct cfg80211_connect_params connect; |
8721 | struct wiphy *wiphy; | |
fffd0934 | 8722 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
8723 | int err; |
8724 | ||
8725 | memset(&connect, 0, sizeof(connect)); | |
8726 | ||
8727 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8728 | return -EINVAL; | |
8729 | ||
8730 | if (!info->attrs[NL80211_ATTR_SSID] || | |
8731 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
8732 | return -EINVAL; | |
8733 | ||
8734 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
8735 | connect.auth_type = | |
8736 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
8737 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
8738 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
8739 | return -EINVAL; |
8740 | } else | |
8741 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
8742 | ||
8743 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
8744 | ||
c0692b8f | 8745 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 8746 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
8747 | if (err) |
8748 | return err; | |
b23aa676 | 8749 | |
074ac8df | 8750 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8751 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8752 | return -EOPNOTSUPP; | |
b23aa676 | 8753 | |
79c97e97 | 8754 | wiphy = &rdev->wiphy; |
b23aa676 | 8755 | |
4486ea98 BS |
8756 | connect.bg_scan_period = -1; |
8757 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
8758 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
8759 | connect.bg_scan_period = | |
8760 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
8761 | } | |
8762 | ||
b23aa676 SO |
8763 | if (info->attrs[NL80211_ATTR_MAC]) |
8764 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
8765 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
8766 | connect.bssid_hint = | |
8767 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
8768 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8769 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8770 | ||
8771 | if (info->attrs[NL80211_ATTR_IE]) { | |
8772 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8773 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8774 | } | |
8775 | ||
cee00a95 JM |
8776 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
8777 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
8778 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
8779 | connect.mfp != NL80211_MFP_NO) | |
8780 | return -EINVAL; | |
8781 | } else { | |
8782 | connect.mfp = NL80211_MFP_NO; | |
8783 | } | |
8784 | ||
ba6fbacf JM |
8785 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
8786 | connect.prev_bssid = | |
8787 | nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
8788 | ||
b23aa676 | 8789 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
8790 | connect.channel = nl80211_get_valid_chan( |
8791 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8792 | if (!connect.channel) | |
1df4a510 JM |
8793 | return -EINVAL; |
8794 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
8795 | connect.channel_hint = nl80211_get_valid_chan( |
8796 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
8797 | if (!connect.channel_hint) | |
4c476991 | 8798 | return -EINVAL; |
b23aa676 SO |
8799 | } |
8800 | ||
fffd0934 JB |
8801 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
8802 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 8803 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
8804 | if (IS_ERR(connkeys)) |
8805 | return PTR_ERR(connkeys); | |
fffd0934 JB |
8806 | } |
8807 | ||
7e7c8926 BG |
8808 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
8809 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
8810 | ||
8811 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8812 | memcpy(&connect.ht_capa_mask, | |
8813 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8814 | sizeof(connect.ht_capa_mask)); | |
8815 | ||
8816 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 8817 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 8818 | kzfree(connkeys); |
7e7c8926 | 8819 | return -EINVAL; |
b4e4f47e | 8820 | } |
7e7c8926 BG |
8821 | memcpy(&connect.ht_capa, |
8822 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8823 | sizeof(connect.ht_capa)); | |
8824 | } | |
8825 | ||
ee2aca34 JB |
8826 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
8827 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
8828 | ||
8829 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
8830 | memcpy(&connect.vht_capa_mask, | |
8831 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8832 | sizeof(connect.vht_capa_mask)); | |
8833 | ||
8834 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
8835 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 8836 | kzfree(connkeys); |
ee2aca34 JB |
8837 | return -EINVAL; |
8838 | } | |
8839 | memcpy(&connect.vht_capa, | |
8840 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8841 | sizeof(connect.vht_capa)); | |
8842 | } | |
8843 | ||
bab5ab7d | 8844 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8845 | if (!((rdev->wiphy.features & |
8846 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8847 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8848 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8849 | NL80211_EXT_FEATURE_RRM)) { | |
707554b4 | 8850 | kzfree(connkeys); |
bab5ab7d | 8851 | return -EINVAL; |
707554b4 | 8852 | } |
bab5ab7d AK |
8853 | connect.flags |= ASSOC_REQ_USE_RRM; |
8854 | } | |
8855 | ||
34d50519 | 8856 | connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
57fbcce3 | 8857 | if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) { |
34d50519 LD |
8858 | kzfree(connkeys); |
8859 | return -EOPNOTSUPP; | |
8860 | } | |
8861 | ||
38de03d2 AS |
8862 | if (info->attrs[NL80211_ATTR_BSS_SELECT]) { |
8863 | /* bss selection makes no sense if bssid is set */ | |
8864 | if (connect.bssid) { | |
8865 | kzfree(connkeys); | |
8866 | return -EINVAL; | |
8867 | } | |
8868 | ||
8869 | err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT], | |
8870 | wiphy, &connect.bss_select); | |
8871 | if (err) { | |
8872 | kzfree(connkeys); | |
8873 | return err; | |
8874 | } | |
8875 | } | |
8876 | ||
83739b03 | 8877 | wdev_lock(dev->ieee80211_ptr); |
bd2522b1 | 8878 | |
4ce2bd9c JM |
8879 | err = cfg80211_connect(rdev, dev, &connect, connkeys, |
8880 | connect.prev_bssid); | |
fffd0934 | 8881 | if (err) |
b47f610b | 8882 | kzfree(connkeys); |
bd2522b1 AZ |
8883 | |
8884 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
8885 | dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; | |
8886 | if (connect.bssid) | |
8887 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
8888 | connect.bssid, ETH_ALEN); | |
8889 | else | |
8890 | memset(dev->ieee80211_ptr->disconnect_bssid, | |
8891 | 0, ETH_ALEN); | |
8892 | } | |
8893 | ||
8894 | wdev_unlock(dev->ieee80211_ptr); | |
8895 | ||
b23aa676 SO |
8896 | return err; |
8897 | } | |
8898 | ||
088e8df8 | 8899 | static int nl80211_update_connect_params(struct sk_buff *skb, |
8900 | struct genl_info *info) | |
8901 | { | |
8902 | struct cfg80211_connect_params connect = {}; | |
8903 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8904 | struct net_device *dev = info->user_ptr[1]; | |
8905 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8906 | u32 changed = 0; | |
8907 | int ret; | |
8908 | ||
8909 | if (!rdev->ops->update_connect_params) | |
8910 | return -EOPNOTSUPP; | |
8911 | ||
8912 | if (info->attrs[NL80211_ATTR_IE]) { | |
8913 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8914 | return -EINVAL; | |
8915 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8916 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8917 | changed |= UPDATE_ASSOC_IES; | |
8918 | } | |
8919 | ||
8920 | wdev_lock(dev->ieee80211_ptr); | |
8921 | if (!wdev->current_bss) | |
8922 | ret = -ENOLINK; | |
8923 | else | |
8924 | ret = rdev_update_connect_params(rdev, dev, &connect, changed); | |
8925 | wdev_unlock(dev->ieee80211_ptr); | |
8926 | ||
8927 | return ret; | |
8928 | } | |
8929 | ||
b23aa676 SO |
8930 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) |
8931 | { | |
4c476991 JB |
8932 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8933 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 8934 | u16 reason; |
83739b03 | 8935 | int ret; |
b23aa676 SO |
8936 | |
8937 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8938 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
8939 | else | |
8940 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
8941 | ||
8942 | if (reason == 0) | |
8943 | return -EINVAL; | |
8944 | ||
074ac8df | 8945 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8946 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8947 | return -EOPNOTSUPP; | |
b23aa676 | 8948 | |
83739b03 JB |
8949 | wdev_lock(dev->ieee80211_ptr); |
8950 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
8951 | wdev_unlock(dev->ieee80211_ptr); | |
8952 | return ret; | |
b23aa676 SO |
8953 | } |
8954 | ||
463d0183 JB |
8955 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
8956 | { | |
4c476991 | 8957 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
8958 | struct net *net; |
8959 | int err; | |
463d0183 | 8960 | |
4b681c82 VK |
8961 | if (info->attrs[NL80211_ATTR_PID]) { |
8962 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
8963 | ||
8964 | net = get_net_ns_by_pid(pid); | |
8965 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
8966 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 8967 | |
4b681c82 VK |
8968 | net = get_net_ns_by_fd(fd); |
8969 | } else { | |
8970 | return -EINVAL; | |
8971 | } | |
463d0183 | 8972 | |
4c476991 JB |
8973 | if (IS_ERR(net)) |
8974 | return PTR_ERR(net); | |
463d0183 JB |
8975 | |
8976 | err = 0; | |
8977 | ||
8978 | /* check if anything to do */ | |
4c476991 JB |
8979 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
8980 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 8981 | |
463d0183 | 8982 | put_net(net); |
463d0183 JB |
8983 | return err; |
8984 | } | |
8985 | ||
67fbb16b SO |
8986 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
8987 | { | |
4c476991 | 8988 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
8989 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
8990 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 8991 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
8992 | struct cfg80211_pmksa pmksa; |
8993 | ||
8994 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
8995 | ||
8996 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8997 | return -EINVAL; | |
8998 | ||
8999 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
9000 | return -EINVAL; | |
9001 | ||
67fbb16b SO |
9002 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
9003 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9004 | ||
074ac8df | 9005 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9006 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9007 | return -EOPNOTSUPP; | |
67fbb16b SO |
9008 | |
9009 | switch (info->genlhdr->cmd) { | |
9010 | case NL80211_CMD_SET_PMKSA: | |
9011 | rdev_ops = rdev->ops->set_pmksa; | |
9012 | break; | |
9013 | case NL80211_CMD_DEL_PMKSA: | |
9014 | rdev_ops = rdev->ops->del_pmksa; | |
9015 | break; | |
9016 | default: | |
9017 | WARN_ON(1); | |
9018 | break; | |
9019 | } | |
9020 | ||
4c476991 JB |
9021 | if (!rdev_ops) |
9022 | return -EOPNOTSUPP; | |
67fbb16b | 9023 | |
4c476991 | 9024 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
9025 | } |
9026 | ||
9027 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
9028 | { | |
4c476991 JB |
9029 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9030 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 9031 | |
074ac8df | 9032 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9033 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9034 | return -EOPNOTSUPP; | |
67fbb16b | 9035 | |
4c476991 JB |
9036 | if (!rdev->ops->flush_pmksa) |
9037 | return -EOPNOTSUPP; | |
67fbb16b | 9038 | |
e35e4d28 | 9039 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
9040 | } |
9041 | ||
109086ce AN |
9042 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
9043 | { | |
9044 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9045 | struct net_device *dev = info->user_ptr[1]; | |
9046 | u8 action_code, dialog_token; | |
df942e7b | 9047 | u32 peer_capability = 0; |
109086ce AN |
9048 | u16 status_code; |
9049 | u8 *peer; | |
31fa97c5 | 9050 | bool initiator; |
109086ce AN |
9051 | |
9052 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
9053 | !rdev->ops->tdls_mgmt) | |
9054 | return -EOPNOTSUPP; | |
9055 | ||
9056 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
9057 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
9058 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
9059 | !info->attrs[NL80211_ATTR_IE] || | |
9060 | !info->attrs[NL80211_ATTR_MAC]) | |
9061 | return -EINVAL; | |
9062 | ||
9063 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9064 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
9065 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
9066 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 9067 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
9068 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
9069 | peer_capability = | |
9070 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 9071 | |
e35e4d28 | 9072 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 9073 | dialog_token, status_code, peer_capability, |
31fa97c5 | 9074 | initiator, |
e35e4d28 HG |
9075 | nla_data(info->attrs[NL80211_ATTR_IE]), |
9076 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
9077 | } |
9078 | ||
9079 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
9080 | { | |
9081 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9082 | struct net_device *dev = info->user_ptr[1]; | |
9083 | enum nl80211_tdls_operation operation; | |
9084 | u8 *peer; | |
9085 | ||
9086 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
9087 | !rdev->ops->tdls_oper) | |
9088 | return -EOPNOTSUPP; | |
9089 | ||
9090 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
9091 | !info->attrs[NL80211_ATTR_MAC]) | |
9092 | return -EINVAL; | |
9093 | ||
9094 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
9095 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9096 | ||
e35e4d28 | 9097 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
9098 | } |
9099 | ||
9588bbd5 JM |
9100 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
9101 | struct genl_info *info) | |
9102 | { | |
4c476991 | 9103 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9104 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9105 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
9106 | struct sk_buff *msg; |
9107 | void *hdr; | |
9108 | u64 cookie; | |
683b6d3b | 9109 | u32 duration; |
9588bbd5 JM |
9110 | int err; |
9111 | ||
9112 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
9113 | !info->attrs[NL80211_ATTR_DURATION]) | |
9114 | return -EINVAL; | |
9115 | ||
9116 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
9117 | ||
ebf348fc JB |
9118 | if (!rdev->ops->remain_on_channel || |
9119 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
9120 | return -EOPNOTSUPP; | |
9121 | ||
9588bbd5 | 9122 | /* |
ebf348fc JB |
9123 | * We should be on that channel for at least a minimum amount of |
9124 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 9125 | */ |
ebf348fc | 9126 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 9127 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
9128 | return -EINVAL; |
9129 | ||
683b6d3b JB |
9130 | err = nl80211_parse_chandef(rdev, info, &chandef); |
9131 | if (err) | |
9132 | return err; | |
9588bbd5 JM |
9133 | |
9134 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9135 | if (!msg) |
9136 | return -ENOMEM; | |
9588bbd5 | 9137 | |
15e47304 | 9138 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 9139 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
9140 | if (!hdr) { |
9141 | err = -ENOBUFS; | |
9588bbd5 JM |
9142 | goto free_msg; |
9143 | } | |
9144 | ||
683b6d3b JB |
9145 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
9146 | duration, &cookie); | |
9588bbd5 JM |
9147 | |
9148 | if (err) | |
9149 | goto free_msg; | |
9150 | ||
2dad624e ND |
9151 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9152 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9153 | goto nla_put_failure; |
9588bbd5 JM |
9154 | |
9155 | genlmsg_end(msg, hdr); | |
4c476991 JB |
9156 | |
9157 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
9158 | |
9159 | nla_put_failure: | |
9160 | err = -ENOBUFS; | |
9161 | free_msg: | |
9162 | nlmsg_free(msg); | |
9588bbd5 JM |
9163 | return err; |
9164 | } | |
9165 | ||
9166 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
9167 | struct genl_info *info) | |
9168 | { | |
4c476991 | 9169 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9170 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 9171 | u64 cookie; |
9588bbd5 JM |
9172 | |
9173 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9174 | return -EINVAL; | |
9175 | ||
4c476991 JB |
9176 | if (!rdev->ops->cancel_remain_on_channel) |
9177 | return -EOPNOTSUPP; | |
9588bbd5 | 9178 | |
9588bbd5 JM |
9179 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
9180 | ||
e35e4d28 | 9181 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
9182 | } |
9183 | ||
13ae75b1 JM |
9184 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, |
9185 | struct genl_info *info) | |
9186 | { | |
13ae75b1 | 9187 | struct cfg80211_bitrate_mask mask; |
a7c7fbff | 9188 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9189 | struct net_device *dev = info->user_ptr[1]; |
a7c7fbff | 9190 | int err; |
13ae75b1 | 9191 | |
4c476991 JB |
9192 | if (!rdev->ops->set_bitrate_mask) |
9193 | return -EOPNOTSUPP; | |
13ae75b1 | 9194 | |
a7c7fbff PK |
9195 | err = nl80211_parse_tx_bitrate_mask(info, &mask); |
9196 | if (err) | |
9197 | return err; | |
13ae75b1 | 9198 | |
e35e4d28 | 9199 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
9200 | } |
9201 | ||
2e161f78 | 9202 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9203 | { |
4c476991 | 9204 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9205 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 9206 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
9207 | |
9208 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
9209 | return -EINVAL; | |
9210 | ||
2e161f78 JB |
9211 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
9212 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 9213 | |
71bbc994 JB |
9214 | switch (wdev->iftype) { |
9215 | case NL80211_IFTYPE_STATION: | |
9216 | case NL80211_IFTYPE_ADHOC: | |
9217 | case NL80211_IFTYPE_P2P_CLIENT: | |
9218 | case NL80211_IFTYPE_AP: | |
9219 | case NL80211_IFTYPE_AP_VLAN: | |
9220 | case NL80211_IFTYPE_MESH_POINT: | |
9221 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9222 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9223 | break; |
cb3b7d87 | 9224 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9225 | default: |
4c476991 | 9226 | return -EOPNOTSUPP; |
71bbc994 | 9227 | } |
026331c4 JM |
9228 | |
9229 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
9230 | if (!rdev->ops->mgmt_tx) |
9231 | return -EOPNOTSUPP; | |
026331c4 | 9232 | |
15e47304 | 9233 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
9234 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
9235 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
9236 | } |
9237 | ||
2e161f78 | 9238 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9239 | { |
4c476991 | 9240 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9241 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9242 | struct cfg80211_chan_def chandef; |
026331c4 | 9243 | int err; |
d64d373f | 9244 | void *hdr = NULL; |
026331c4 | 9245 | u64 cookie; |
e247bd90 | 9246 | struct sk_buff *msg = NULL; |
b176e629 AO |
9247 | struct cfg80211_mgmt_tx_params params = { |
9248 | .dont_wait_for_ack = | |
9249 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
9250 | }; | |
026331c4 | 9251 | |
683b6d3b | 9252 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
9253 | return -EINVAL; |
9254 | ||
4c476991 JB |
9255 | if (!rdev->ops->mgmt_tx) |
9256 | return -EOPNOTSUPP; | |
026331c4 | 9257 | |
71bbc994 | 9258 | switch (wdev->iftype) { |
ea141b75 AQ |
9259 | case NL80211_IFTYPE_P2P_DEVICE: |
9260 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
9261 | return -EINVAL; | |
71bbc994 JB |
9262 | case NL80211_IFTYPE_STATION: |
9263 | case NL80211_IFTYPE_ADHOC: | |
9264 | case NL80211_IFTYPE_P2P_CLIENT: | |
9265 | case NL80211_IFTYPE_AP: | |
9266 | case NL80211_IFTYPE_AP_VLAN: | |
9267 | case NL80211_IFTYPE_MESH_POINT: | |
9268 | case NL80211_IFTYPE_P2P_GO: | |
9269 | break; | |
cb3b7d87 | 9270 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9271 | default: |
4c476991 | 9272 | return -EOPNOTSUPP; |
71bbc994 | 9273 | } |
026331c4 | 9274 | |
f7ca38df | 9275 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 9276 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 9277 | return -EINVAL; |
b176e629 | 9278 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
9279 | |
9280 | /* | |
9281 | * We should wait on the channel for at least a minimum amount | |
9282 | * of time (10ms) but no longer than the driver supports. | |
9283 | */ | |
b176e629 AO |
9284 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
9285 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc | 9286 | return -EINVAL; |
f7ca38df JB |
9287 | } |
9288 | ||
b176e629 | 9289 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 9290 | |
b176e629 | 9291 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
9292 | return -EINVAL; |
9293 | ||
b176e629 | 9294 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 9295 | |
ea141b75 AQ |
9296 | /* get the channel if any has been specified, otherwise pass NULL to |
9297 | * the driver. The latter will use the current one | |
9298 | */ | |
9299 | chandef.chan = NULL; | |
9300 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
9301 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9302 | if (err) | |
9303 | return err; | |
9304 | } | |
9305 | ||
b176e629 | 9306 | if (!chandef.chan && params.offchan) |
ea141b75 | 9307 | return -EINVAL; |
026331c4 | 9308 | |
34d22ce2 AO |
9309 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
9310 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
9311 | ||
9312 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
9313 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9314 | int i; | |
9315 | ||
9316 | if (len % sizeof(u16)) | |
9317 | return -EINVAL; | |
9318 | ||
9319 | params.n_csa_offsets = len / sizeof(u16); | |
9320 | params.csa_offsets = | |
9321 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9322 | ||
9323 | /* check that all the offsets fit the frame */ | |
9324 | for (i = 0; i < params.n_csa_offsets; i++) { | |
9325 | if (params.csa_offsets[i] >= params.len) | |
9326 | return -EINVAL; | |
9327 | } | |
9328 | } | |
9329 | ||
b176e629 | 9330 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
9331 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
9332 | if (!msg) | |
9333 | return -ENOMEM; | |
026331c4 | 9334 | |
15e47304 | 9335 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 9336 | NL80211_CMD_FRAME); |
cb35fba3 DC |
9337 | if (!hdr) { |
9338 | err = -ENOBUFS; | |
e247bd90 JB |
9339 | goto free_msg; |
9340 | } | |
026331c4 | 9341 | } |
e247bd90 | 9342 | |
b176e629 AO |
9343 | params.chan = chandef.chan; |
9344 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
9345 | if (err) |
9346 | goto free_msg; | |
9347 | ||
e247bd90 | 9348 | if (msg) { |
2dad624e ND |
9349 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9350 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9351 | goto nla_put_failure; |
026331c4 | 9352 | |
e247bd90 JB |
9353 | genlmsg_end(msg, hdr); |
9354 | return genlmsg_reply(msg, info); | |
9355 | } | |
9356 | ||
9357 | return 0; | |
026331c4 JM |
9358 | |
9359 | nla_put_failure: | |
9360 | err = -ENOBUFS; | |
9361 | free_msg: | |
9362 | nlmsg_free(msg); | |
026331c4 JM |
9363 | return err; |
9364 | } | |
9365 | ||
f7ca38df JB |
9366 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
9367 | { | |
9368 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 9369 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
9370 | u64 cookie; |
9371 | ||
9372 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9373 | return -EINVAL; | |
9374 | ||
9375 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
9376 | return -EOPNOTSUPP; | |
9377 | ||
71bbc994 JB |
9378 | switch (wdev->iftype) { |
9379 | case NL80211_IFTYPE_STATION: | |
9380 | case NL80211_IFTYPE_ADHOC: | |
9381 | case NL80211_IFTYPE_P2P_CLIENT: | |
9382 | case NL80211_IFTYPE_AP: | |
9383 | case NL80211_IFTYPE_AP_VLAN: | |
9384 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9385 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9386 | break; |
cb3b7d87 | 9387 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9388 | default: |
f7ca38df | 9389 | return -EOPNOTSUPP; |
71bbc994 | 9390 | } |
f7ca38df JB |
9391 | |
9392 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
9393 | ||
e35e4d28 | 9394 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
9395 | } |
9396 | ||
ffb9eb3d KV |
9397 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
9398 | { | |
4c476991 | 9399 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 9400 | struct wireless_dev *wdev; |
4c476991 | 9401 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9402 | u8 ps_state; |
9403 | bool state; | |
9404 | int err; | |
9405 | ||
4c476991 JB |
9406 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
9407 | return -EINVAL; | |
ffb9eb3d KV |
9408 | |
9409 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
9410 | ||
4c476991 JB |
9411 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
9412 | return -EINVAL; | |
ffb9eb3d KV |
9413 | |
9414 | wdev = dev->ieee80211_ptr; | |
9415 | ||
4c476991 JB |
9416 | if (!rdev->ops->set_power_mgmt) |
9417 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9418 | |
9419 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
9420 | ||
9421 | if (state == wdev->ps) | |
4c476991 | 9422 | return 0; |
ffb9eb3d | 9423 | |
e35e4d28 | 9424 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
9425 | if (!err) |
9426 | wdev->ps = state; | |
ffb9eb3d KV |
9427 | return err; |
9428 | } | |
9429 | ||
9430 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
9431 | { | |
4c476991 | 9432 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
9433 | enum nl80211_ps_state ps_state; |
9434 | struct wireless_dev *wdev; | |
4c476991 | 9435 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9436 | struct sk_buff *msg; |
9437 | void *hdr; | |
9438 | int err; | |
9439 | ||
ffb9eb3d KV |
9440 | wdev = dev->ieee80211_ptr; |
9441 | ||
4c476991 JB |
9442 | if (!rdev->ops->set_power_mgmt) |
9443 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9444 | |
9445 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9446 | if (!msg) |
9447 | return -ENOMEM; | |
ffb9eb3d | 9448 | |
15e47304 | 9449 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
9450 | NL80211_CMD_GET_POWER_SAVE); |
9451 | if (!hdr) { | |
4c476991 | 9452 | err = -ENOBUFS; |
ffb9eb3d KV |
9453 | goto free_msg; |
9454 | } | |
9455 | ||
9456 | if (wdev->ps) | |
9457 | ps_state = NL80211_PS_ENABLED; | |
9458 | else | |
9459 | ps_state = NL80211_PS_DISABLED; | |
9460 | ||
9360ffd1 DM |
9461 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
9462 | goto nla_put_failure; | |
ffb9eb3d KV |
9463 | |
9464 | genlmsg_end(msg, hdr); | |
4c476991 | 9465 | return genlmsg_reply(msg, info); |
ffb9eb3d | 9466 | |
4c476991 | 9467 | nla_put_failure: |
ffb9eb3d | 9468 | err = -ENOBUFS; |
4c476991 | 9469 | free_msg: |
ffb9eb3d | 9470 | nlmsg_free(msg); |
ffb9eb3d KV |
9471 | return err; |
9472 | } | |
9473 | ||
94e860f1 JB |
9474 | static const struct nla_policy |
9475 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
4a4b8169 | 9476 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY }, |
d6dc1a38 JO |
9477 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, |
9478 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
9479 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
9480 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
9481 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
bee427b8 | 9482 | [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 }, |
d6dc1a38 JO |
9483 | }; |
9484 | ||
84f10708 | 9485 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 9486 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
9487 | { |
9488 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 9489 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9490 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 9491 | |
d9d8b019 | 9492 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
9493 | return -EINVAL; |
9494 | ||
84f10708 TP |
9495 | if (!rdev->ops->set_cqm_txe_config) |
9496 | return -EOPNOTSUPP; | |
9497 | ||
9498 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
9499 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
9500 | return -EOPNOTSUPP; | |
9501 | ||
e35e4d28 | 9502 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
9503 | } |
9504 | ||
4a4b8169 AZ |
9505 | static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev, |
9506 | struct net_device *dev) | |
9507 | { | |
9508 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9509 | s32 last, low, high; | |
9510 | u32 hyst; | |
9511 | int i, n; | |
9512 | int err; | |
9513 | ||
9514 | /* RSSI reporting disabled? */ | |
9515 | if (!wdev->cqm_config) | |
9516 | return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0); | |
9517 | ||
9518 | /* | |
9519 | * Obtain current RSSI value if possible, if not and no RSSI threshold | |
9520 | * event has been received yet, we should receive an event after a | |
9521 | * connection is established and enough beacons received to calculate | |
9522 | * the average. | |
9523 | */ | |
9524 | if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss && | |
9525 | rdev->ops->get_station) { | |
9526 | struct station_info sinfo; | |
9527 | u8 *mac_addr; | |
9528 | ||
9529 | mac_addr = wdev->current_bss->pub.bssid; | |
9530 | ||
9531 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); | |
9532 | if (err) | |
9533 | return err; | |
9534 | ||
9535 | if (sinfo.filled & BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG)) | |
9536 | wdev->cqm_config->last_rssi_event_value = | |
9537 | (s8) sinfo.rx_beacon_signal_avg; | |
9538 | } | |
9539 | ||
9540 | last = wdev->cqm_config->last_rssi_event_value; | |
9541 | hyst = wdev->cqm_config->rssi_hyst; | |
9542 | n = wdev->cqm_config->n_rssi_thresholds; | |
9543 | ||
9544 | for (i = 0; i < n; i++) | |
9545 | if (last < wdev->cqm_config->rssi_thresholds[i]) | |
9546 | break; | |
9547 | ||
9548 | low = i > 0 ? | |
9549 | (wdev->cqm_config->rssi_thresholds[i - 1] - hyst) : S32_MIN; | |
9550 | high = i < n ? | |
9551 | (wdev->cqm_config->rssi_thresholds[i] + hyst - 1) : S32_MAX; | |
9552 | ||
9553 | return rdev_set_cqm_rssi_range_config(rdev, dev, low, high); | |
9554 | } | |
9555 | ||
d6dc1a38 | 9556 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
4a4b8169 AZ |
9557 | const s32 *thresholds, int n_thresholds, |
9558 | u32 hysteresis) | |
d6dc1a38 | 9559 | { |
4c476991 | 9560 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9561 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9562 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4a4b8169 AZ |
9563 | int i, err; |
9564 | s32 prev = S32_MIN; | |
d6dc1a38 | 9565 | |
4a4b8169 AZ |
9566 | /* Check all values negative and sorted */ |
9567 | for (i = 0; i < n_thresholds; i++) { | |
9568 | if (thresholds[i] > 0 || thresholds[i] <= prev) | |
9569 | return -EINVAL; | |
d6dc1a38 | 9570 | |
4a4b8169 AZ |
9571 | prev = thresholds[i]; |
9572 | } | |
d6dc1a38 | 9573 | |
074ac8df | 9574 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9575 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9576 | return -EOPNOTSUPP; | |
d6dc1a38 | 9577 | |
4a4b8169 AZ |
9578 | wdev_lock(wdev); |
9579 | cfg80211_cqm_config_free(wdev); | |
9580 | wdev_unlock(wdev); | |
9581 | ||
9582 | if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) { | |
9583 | if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */ | |
9584 | return rdev_set_cqm_rssi_config(rdev, dev, 0, 0); | |
9585 | ||
9586 | return rdev_set_cqm_rssi_config(rdev, dev, | |
9587 | thresholds[0], hysteresis); | |
9588 | } | |
9589 | ||
9590 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
9591 | NL80211_EXT_FEATURE_CQM_RSSI_LIST)) | |
9592 | return -EOPNOTSUPP; | |
9593 | ||
9594 | if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */ | |
9595 | n_thresholds = 0; | |
9596 | ||
9597 | wdev_lock(wdev); | |
9598 | if (n_thresholds) { | |
9599 | struct cfg80211_cqm_config *cqm_config; | |
9600 | ||
9601 | cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) + | |
9602 | n_thresholds * sizeof(s32), GFP_KERNEL); | |
9603 | if (!cqm_config) { | |
9604 | err = -ENOMEM; | |
9605 | goto unlock; | |
9606 | } | |
9607 | ||
9608 | cqm_config->rssi_hyst = hysteresis; | |
9609 | cqm_config->n_rssi_thresholds = n_thresholds; | |
9610 | memcpy(cqm_config->rssi_thresholds, thresholds, | |
9611 | n_thresholds * sizeof(s32)); | |
9612 | ||
9613 | wdev->cqm_config = cqm_config; | |
9614 | } | |
9615 | ||
9616 | err = cfg80211_cqm_rssi_update(rdev, dev); | |
9617 | ||
9618 | unlock: | |
9619 | wdev_unlock(wdev); | |
9620 | ||
9621 | return err; | |
d6dc1a38 JO |
9622 | } |
9623 | ||
9624 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
9625 | { | |
9626 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
9627 | struct nlattr *cqm; | |
9628 | int err; | |
9629 | ||
9630 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
9631 | if (!cqm) |
9632 | return -EINVAL; | |
d6dc1a38 JO |
9633 | |
9634 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
9635 | nl80211_attr_cqm_policy); | |
9636 | if (err) | |
1da5fcc8 | 9637 | return err; |
d6dc1a38 JO |
9638 | |
9639 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
9640 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
4a4b8169 AZ |
9641 | const s32 *thresholds = |
9642 | nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
9643 | int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
1da5fcc8 | 9644 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); |
d6dc1a38 | 9645 | |
4a4b8169 AZ |
9646 | if (len % 4) |
9647 | return -EINVAL; | |
9648 | ||
9649 | return nl80211_set_cqm_rssi(info, thresholds, len / 4, | |
9650 | hysteresis); | |
1da5fcc8 JB |
9651 | } |
9652 | ||
9653 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
9654 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
9655 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
9656 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
9657 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
9658 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
9659 | ||
9660 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
9661 | } | |
9662 | ||
9663 | return -EINVAL; | |
d6dc1a38 JO |
9664 | } |
9665 | ||
6e0bd6c3 RL |
9666 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
9667 | { | |
9668 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9669 | struct net_device *dev = info->user_ptr[1]; | |
9670 | struct ocb_setup setup = {}; | |
9671 | int err; | |
9672 | ||
9673 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
9674 | if (err) | |
9675 | return err; | |
9676 | ||
9677 | return cfg80211_join_ocb(rdev, dev, &setup); | |
9678 | } | |
9679 | ||
9680 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
9681 | { | |
9682 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9683 | struct net_device *dev = info->user_ptr[1]; | |
9684 | ||
9685 | return cfg80211_leave_ocb(rdev, dev); | |
9686 | } | |
9687 | ||
29cbe68c JB |
9688 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
9689 | { | |
9690 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9691 | struct net_device *dev = info->user_ptr[1]; | |
9692 | struct mesh_config cfg; | |
c80d545d | 9693 | struct mesh_setup setup; |
29cbe68c JB |
9694 | int err; |
9695 | ||
9696 | /* start with default */ | |
9697 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 9698 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 9699 | |
24bdd9f4 | 9700 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 9701 | /* and parse parameters if given */ |
24bdd9f4 | 9702 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
9703 | if (err) |
9704 | return err; | |
9705 | } | |
9706 | ||
9707 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
9708 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
9709 | return -EINVAL; | |
9710 | ||
c80d545d JC |
9711 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
9712 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
9713 | ||
4bb62344 CYY |
9714 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
9715 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
9716 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
9717 | return -EINVAL; | |
9718 | ||
9bdbf04d MP |
9719 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
9720 | setup.beacon_interval = | |
9721 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 9722 | |
0c317a02 PK |
9723 | err = cfg80211_validate_beacon_int(rdev, |
9724 | NL80211_IFTYPE_MESH_POINT, | |
9725 | setup.beacon_interval); | |
12d20fc9 PK |
9726 | if (err) |
9727 | return err; | |
9bdbf04d MP |
9728 | } |
9729 | ||
9730 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
9731 | setup.dtim_period = | |
9732 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
9733 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
9734 | return -EINVAL; | |
9735 | } | |
9736 | ||
c80d545d JC |
9737 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
9738 | /* parse additional setup parameters if given */ | |
9739 | err = nl80211_parse_mesh_setup(info, &setup); | |
9740 | if (err) | |
9741 | return err; | |
9742 | } | |
9743 | ||
d37bb18a TP |
9744 | if (setup.user_mpm) |
9745 | cfg.auto_open_plinks = false; | |
9746 | ||
cc1d2806 | 9747 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
9748 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
9749 | if (err) | |
9750 | return err; | |
cc1d2806 JB |
9751 | } else { |
9752 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 9753 | setup.chandef.chan = NULL; |
cc1d2806 JB |
9754 | } |
9755 | ||
ffb3cf30 AN |
9756 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
9757 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9758 | int n_rates = | |
9759 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9760 | struct ieee80211_supported_band *sband; | |
9761 | ||
9762 | if (!setup.chandef.chan) | |
9763 | return -EINVAL; | |
9764 | ||
9765 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
9766 | ||
9767 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
9768 | &setup.basic_rates); | |
9769 | if (err) | |
9770 | return err; | |
9771 | } | |
9772 | ||
8564e382 JB |
9773 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
9774 | err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate); | |
9775 | if (err) | |
9776 | return err; | |
9777 | ||
9778 | err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band, | |
9779 | &setup.beacon_rate); | |
9780 | if (err) | |
9781 | return err; | |
9782 | } | |
9783 | ||
c80d545d | 9784 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
9785 | } |
9786 | ||
9787 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
9788 | { | |
9789 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9790 | struct net_device *dev = info->user_ptr[1]; | |
9791 | ||
9792 | return cfg80211_leave_mesh(rdev, dev); | |
9793 | } | |
9794 | ||
dfb89c56 | 9795 | #ifdef CONFIG_PM |
bb92d199 AK |
9796 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
9797 | struct cfg80211_registered_device *rdev) | |
9798 | { | |
6abb9cb9 | 9799 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
9800 | struct nlattr *nl_pats, *nl_pat; |
9801 | int i, pat_len; | |
9802 | ||
6abb9cb9 | 9803 | if (!wowlan->n_patterns) |
bb92d199 AK |
9804 | return 0; |
9805 | ||
9806 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
9807 | if (!nl_pats) | |
9808 | return -ENOBUFS; | |
9809 | ||
6abb9cb9 | 9810 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
9811 | nl_pat = nla_nest_start(msg, i + 1); |
9812 | if (!nl_pat) | |
9813 | return -ENOBUFS; | |
6abb9cb9 | 9814 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 9815 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 9816 | wowlan->patterns[i].mask) || |
50ac6607 AK |
9817 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
9818 | wowlan->patterns[i].pattern) || | |
9819 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 9820 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
9821 | return -ENOBUFS; |
9822 | nla_nest_end(msg, nl_pat); | |
9823 | } | |
9824 | nla_nest_end(msg, nl_pats); | |
9825 | ||
9826 | return 0; | |
9827 | } | |
9828 | ||
2a0e047e JB |
9829 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
9830 | struct cfg80211_wowlan_tcp *tcp) | |
9831 | { | |
9832 | struct nlattr *nl_tcp; | |
9833 | ||
9834 | if (!tcp) | |
9835 | return 0; | |
9836 | ||
9837 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
9838 | if (!nl_tcp) | |
9839 | return -ENOBUFS; | |
9840 | ||
930345ea JB |
9841 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
9842 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
9843 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
9844 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
9845 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
9846 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
9847 | tcp->payload_len, tcp->payload) || | |
9848 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
9849 | tcp->data_interval) || | |
9850 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
9851 | tcp->wake_len, tcp->wake_data) || | |
9852 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
9853 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
9854 | return -ENOBUFS; | |
9855 | ||
9856 | if (tcp->payload_seq.len && | |
9857 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
9858 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
9859 | return -ENOBUFS; | |
9860 | ||
9861 | if (tcp->payload_tok.len && | |
9862 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
9863 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
9864 | &tcp->payload_tok)) | |
9865 | return -ENOBUFS; | |
9866 | ||
e248ad30 JB |
9867 | nla_nest_end(msg, nl_tcp); |
9868 | ||
2a0e047e JB |
9869 | return 0; |
9870 | } | |
9871 | ||
75453ccb LC |
9872 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
9873 | struct cfg80211_sched_scan_request *req) | |
9874 | { | |
3b06d277 | 9875 | struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan; |
75453ccb LC |
9876 | int i; |
9877 | ||
9878 | if (!req) | |
9879 | return 0; | |
9880 | ||
9881 | nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT); | |
9882 | if (!nd) | |
9883 | return -ENOBUFS; | |
9884 | ||
3b06d277 AS |
9885 | if (req->n_scan_plans == 1 && |
9886 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, | |
9887 | req->scan_plans[0].interval * 1000)) | |
75453ccb LC |
9888 | return -ENOBUFS; |
9889 | ||
21fea567 LC |
9890 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
9891 | return -ENOBUFS; | |
9892 | ||
bf95ecdb | 9893 | if (req->relative_rssi_set) { |
9894 | struct nl80211_bss_select_rssi_adjust rssi_adjust; | |
9895 | ||
9896 | if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI, | |
9897 | req->relative_rssi)) | |
9898 | return -ENOBUFS; | |
9899 | ||
9900 | rssi_adjust.band = req->rssi_adjust.band; | |
9901 | rssi_adjust.delta = req->rssi_adjust.delta; | |
9902 | if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST, | |
9903 | sizeof(rssi_adjust), &rssi_adjust)) | |
9904 | return -ENOBUFS; | |
9905 | } | |
9906 | ||
75453ccb LC |
9907 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
9908 | if (!freqs) | |
9909 | return -ENOBUFS; | |
9910 | ||
53b18980 JB |
9911 | for (i = 0; i < req->n_channels; i++) { |
9912 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9913 | return -ENOBUFS; | |
9914 | } | |
75453ccb LC |
9915 | |
9916 | nla_nest_end(msg, freqs); | |
9917 | ||
9918 | if (req->n_match_sets) { | |
9919 | matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
76e1fb4b JB |
9920 | if (!matches) |
9921 | return -ENOBUFS; | |
9922 | ||
75453ccb LC |
9923 | for (i = 0; i < req->n_match_sets; i++) { |
9924 | match = nla_nest_start(msg, i); | |
76e1fb4b JB |
9925 | if (!match) |
9926 | return -ENOBUFS; | |
9927 | ||
53b18980 JB |
9928 | if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, |
9929 | req->match_sets[i].ssid.ssid_len, | |
9930 | req->match_sets[i].ssid.ssid)) | |
9931 | return -ENOBUFS; | |
75453ccb LC |
9932 | nla_nest_end(msg, match); |
9933 | } | |
9934 | nla_nest_end(msg, matches); | |
9935 | } | |
9936 | ||
3b06d277 AS |
9937 | scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS); |
9938 | if (!scan_plans) | |
9939 | return -ENOBUFS; | |
9940 | ||
9941 | for (i = 0; i < req->n_scan_plans; i++) { | |
9942 | scan_plan = nla_nest_start(msg, i + 1); | |
76e1fb4b JB |
9943 | if (!scan_plan) |
9944 | return -ENOBUFS; | |
9945 | ||
3b06d277 AS |
9946 | if (!scan_plan || |
9947 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, | |
9948 | req->scan_plans[i].interval) || | |
9949 | (req->scan_plans[i].iterations && | |
9950 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, | |
9951 | req->scan_plans[i].iterations))) | |
9952 | return -ENOBUFS; | |
9953 | nla_nest_end(msg, scan_plan); | |
9954 | } | |
9955 | nla_nest_end(msg, scan_plans); | |
9956 | ||
75453ccb LC |
9957 | nla_nest_end(msg, nd); |
9958 | ||
9959 | return 0; | |
9960 | } | |
9961 | ||
ff1b6e69 JB |
9962 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
9963 | { | |
9964 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9965 | struct sk_buff *msg; | |
9966 | void *hdr; | |
2a0e047e | 9967 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 9968 | |
964dc9e2 | 9969 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
9970 | return -EOPNOTSUPP; |
9971 | ||
6abb9cb9 | 9972 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 9973 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
9974 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
9975 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
9976 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
9977 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
9978 | } |
9979 | ||
9980 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
9981 | if (!msg) |
9982 | return -ENOMEM; | |
9983 | ||
15e47304 | 9984 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
9985 | NL80211_CMD_GET_WOWLAN); |
9986 | if (!hdr) | |
9987 | goto nla_put_failure; | |
9988 | ||
6abb9cb9 | 9989 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
9990 | struct nlattr *nl_wowlan; |
9991 | ||
9992 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
9993 | if (!nl_wowlan) | |
9994 | goto nla_put_failure; | |
9995 | ||
6abb9cb9 | 9996 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 9997 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 9998 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 9999 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 10000 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 10001 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 10002 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 10003 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 10004 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 10005 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 10006 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 10007 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 10008 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
10009 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
10010 | goto nla_put_failure; | |
2a0e047e | 10011 | |
bb92d199 AK |
10012 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
10013 | goto nla_put_failure; | |
2a0e047e | 10014 | |
6abb9cb9 JB |
10015 | if (nl80211_send_wowlan_tcp(msg, |
10016 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 10017 | goto nla_put_failure; |
75453ccb LC |
10018 | |
10019 | if (nl80211_send_wowlan_nd( | |
10020 | msg, | |
10021 | rdev->wiphy.wowlan_config->nd_config)) | |
10022 | goto nla_put_failure; | |
2a0e047e | 10023 | |
ff1b6e69 JB |
10024 | nla_nest_end(msg, nl_wowlan); |
10025 | } | |
10026 | ||
10027 | genlmsg_end(msg, hdr); | |
10028 | return genlmsg_reply(msg, info); | |
10029 | ||
10030 | nla_put_failure: | |
10031 | nlmsg_free(msg); | |
10032 | return -ENOBUFS; | |
10033 | } | |
10034 | ||
2a0e047e JB |
10035 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
10036 | struct nlattr *attr, | |
10037 | struct cfg80211_wowlan *trig) | |
10038 | { | |
10039 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
10040 | struct cfg80211_wowlan_tcp *cfg; | |
10041 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
10042 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
10043 | u32 size; | |
10044 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
10045 | int err, port; | |
10046 | ||
964dc9e2 | 10047 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
10048 | return -EINVAL; |
10049 | ||
bfe2c7b1 JB |
10050 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr, |
10051 | nl80211_wowlan_tcp_policy); | |
2a0e047e JB |
10052 | if (err) |
10053 | return err; | |
10054 | ||
10055 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
10056 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
10057 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
10058 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
10059 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
10060 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
10061 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
10062 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
10063 | return -EINVAL; | |
10064 | ||
10065 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 10066 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
10067 | return -EINVAL; |
10068 | ||
10069 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 10070 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 10071 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
10072 | return -EINVAL; |
10073 | ||
10074 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 10075 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
10076 | return -EINVAL; |
10077 | ||
10078 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
10079 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
10080 | return -EINVAL; | |
10081 | ||
10082 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
10083 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
10084 | ||
10085 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
10086 | tokens_size = tokln - sizeof(*tok); | |
10087 | ||
10088 | if (!tok->len || tokens_size % tok->len) | |
10089 | return -EINVAL; | |
964dc9e2 | 10090 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 10091 | return -EINVAL; |
964dc9e2 | 10092 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 10093 | return -EINVAL; |
964dc9e2 | 10094 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 10095 | return -EINVAL; |
964dc9e2 | 10096 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
10097 | return -EINVAL; |
10098 | if (tok->offset + tok->len > data_size) | |
10099 | return -EINVAL; | |
10100 | } | |
10101 | ||
10102 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
10103 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 10104 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
10105 | return -EINVAL; |
10106 | if (seq->len == 0 || seq->len > 4) | |
10107 | return -EINVAL; | |
10108 | if (seq->len + seq->offset > data_size) | |
10109 | return -EINVAL; | |
10110 | } | |
10111 | ||
10112 | size = sizeof(*cfg); | |
10113 | size += data_size; | |
10114 | size += wake_size + wake_mask_size; | |
10115 | size += tokens_size; | |
10116 | ||
10117 | cfg = kzalloc(size, GFP_KERNEL); | |
10118 | if (!cfg) | |
10119 | return -ENOMEM; | |
67b61f6c JB |
10120 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
10121 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
10122 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
10123 | ETH_ALEN); | |
10124 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
10125 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
10126 | else | |
10127 | port = 0; | |
10128 | #ifdef CONFIG_INET | |
10129 | /* allocate a socket and port for it and use it */ | |
10130 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
10131 | IPPROTO_TCP, &cfg->sock, 1); | |
10132 | if (err) { | |
10133 | kfree(cfg); | |
10134 | return err; | |
10135 | } | |
10136 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
10137 | sock_release(cfg->sock); | |
10138 | kfree(cfg); | |
10139 | return -EADDRINUSE; | |
10140 | } | |
10141 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
10142 | #else | |
10143 | if (!port) { | |
10144 | kfree(cfg); | |
10145 | return -EINVAL; | |
10146 | } | |
10147 | cfg->src_port = port; | |
10148 | #endif | |
10149 | ||
10150 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
10151 | cfg->payload_len = data_size; | |
10152 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
10153 | memcpy((void *)cfg->payload, | |
10154 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
10155 | data_size); | |
10156 | if (seq) | |
10157 | cfg->payload_seq = *seq; | |
10158 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
10159 | cfg->wake_len = wake_size; | |
10160 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
10161 | memcpy((void *)cfg->wake_data, | |
10162 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
10163 | wake_size); | |
10164 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
10165 | data_size + wake_size; | |
10166 | memcpy((void *)cfg->wake_mask, | |
10167 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
10168 | wake_mask_size); | |
10169 | if (tok) { | |
10170 | cfg->tokens_size = tokens_size; | |
10171 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
10172 | } | |
10173 | ||
10174 | trig->tcp = cfg; | |
10175 | ||
10176 | return 0; | |
10177 | } | |
10178 | ||
8cd4d456 LC |
10179 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
10180 | const struct wiphy_wowlan_support *wowlan, | |
10181 | struct nlattr *attr, | |
10182 | struct cfg80211_wowlan *trig) | |
10183 | { | |
10184 | struct nlattr **tb; | |
10185 | int err; | |
10186 | ||
10187 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
10188 | if (!tb) | |
10189 | return -ENOMEM; | |
10190 | ||
10191 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
10192 | err = -EOPNOTSUPP; | |
10193 | goto out; | |
10194 | } | |
10195 | ||
bfe2c7b1 | 10196 | err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy); |
8cd4d456 LC |
10197 | if (err) |
10198 | goto out; | |
10199 | ||
aad1e812 AVS |
10200 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb, |
10201 | wowlan->max_nd_match_sets); | |
8cd4d456 LC |
10202 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
10203 | if (err) | |
10204 | trig->nd_config = NULL; | |
10205 | ||
10206 | out: | |
10207 | kfree(tb); | |
10208 | return err; | |
10209 | } | |
10210 | ||
ff1b6e69 JB |
10211 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
10212 | { | |
10213 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10214 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 10215 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 10216 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 10217 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 10218 | int err, i; |
6abb9cb9 | 10219 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 10220 | bool regular = false; |
ff1b6e69 | 10221 | |
964dc9e2 | 10222 | if (!wowlan) |
ff1b6e69 JB |
10223 | return -EOPNOTSUPP; |
10224 | ||
ae33bd81 JB |
10225 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
10226 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 10227 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
10228 | goto set_wakeup; |
10229 | } | |
ff1b6e69 | 10230 | |
bfe2c7b1 JB |
10231 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG, |
10232 | info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS], | |
10233 | nl80211_wowlan_policy); | |
ff1b6e69 JB |
10234 | if (err) |
10235 | return err; | |
10236 | ||
10237 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
10238 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
10239 | return -EINVAL; | |
10240 | new_triggers.any = true; | |
10241 | } | |
10242 | ||
10243 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
10244 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
10245 | return -EINVAL; | |
10246 | new_triggers.disconnect = true; | |
98fc4386 | 10247 | regular = true; |
ff1b6e69 JB |
10248 | } |
10249 | ||
10250 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
10251 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
10252 | return -EINVAL; | |
10253 | new_triggers.magic_pkt = true; | |
98fc4386 | 10254 | regular = true; |
ff1b6e69 JB |
10255 | } |
10256 | ||
77dbbb13 JB |
10257 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
10258 | return -EINVAL; | |
10259 | ||
10260 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
10261 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
10262 | return -EINVAL; | |
10263 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 10264 | regular = true; |
77dbbb13 JB |
10265 | } |
10266 | ||
10267 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
10268 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
10269 | return -EINVAL; | |
10270 | new_triggers.eap_identity_req = true; | |
98fc4386 | 10271 | regular = true; |
77dbbb13 JB |
10272 | } |
10273 | ||
10274 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
10275 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
10276 | return -EINVAL; | |
10277 | new_triggers.four_way_handshake = true; | |
98fc4386 | 10278 | regular = true; |
77dbbb13 JB |
10279 | } |
10280 | ||
10281 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
10282 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
10283 | return -EINVAL; | |
10284 | new_triggers.rfkill_release = true; | |
98fc4386 | 10285 | regular = true; |
77dbbb13 JB |
10286 | } |
10287 | ||
ff1b6e69 JB |
10288 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
10289 | struct nlattr *pat; | |
10290 | int n_patterns = 0; | |
bb92d199 | 10291 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 10292 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 10293 | |
98fc4386 JB |
10294 | regular = true; |
10295 | ||
ff1b6e69 JB |
10296 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
10297 | rem) | |
10298 | n_patterns++; | |
10299 | if (n_patterns > wowlan->n_patterns) | |
10300 | return -EINVAL; | |
10301 | ||
10302 | new_triggers.patterns = kcalloc(n_patterns, | |
10303 | sizeof(new_triggers.patterns[0]), | |
10304 | GFP_KERNEL); | |
10305 | if (!new_triggers.patterns) | |
10306 | return -ENOMEM; | |
10307 | ||
10308 | new_triggers.n_patterns = n_patterns; | |
10309 | i = 0; | |
10310 | ||
10311 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
10312 | rem) { | |
922bd80f JB |
10313 | u8 *mask_pat; |
10314 | ||
bfe2c7b1 JB |
10315 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, |
10316 | NULL); | |
ff1b6e69 | 10317 | err = -EINVAL; |
50ac6607 AK |
10318 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10319 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 10320 | goto error; |
50ac6607 | 10321 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 10322 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 10323 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
10324 | goto error; |
10325 | if (pat_len > wowlan->pattern_max_len || | |
10326 | pat_len < wowlan->pattern_min_len) | |
10327 | goto error; | |
10328 | ||
50ac6607 | 10329 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
10330 | pkt_offset = 0; |
10331 | else | |
10332 | pkt_offset = nla_get_u32( | |
50ac6607 | 10333 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
10334 | if (pkt_offset > wowlan->max_pkt_offset) |
10335 | goto error; | |
10336 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
10337 | ||
922bd80f JB |
10338 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10339 | if (!mask_pat) { | |
ff1b6e69 JB |
10340 | err = -ENOMEM; |
10341 | goto error; | |
10342 | } | |
922bd80f JB |
10343 | new_triggers.patterns[i].mask = mask_pat; |
10344 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 10345 | mask_len); |
922bd80f JB |
10346 | mask_pat += mask_len; |
10347 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 10348 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 10349 | memcpy(mask_pat, |
50ac6607 | 10350 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
10351 | pat_len); |
10352 | i++; | |
10353 | } | |
10354 | } | |
10355 | ||
2a0e047e | 10356 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 10357 | regular = true; |
2a0e047e JB |
10358 | err = nl80211_parse_wowlan_tcp( |
10359 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
10360 | &new_triggers); | |
10361 | if (err) | |
10362 | goto error; | |
10363 | } | |
10364 | ||
8cd4d456 | 10365 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 10366 | regular = true; |
8cd4d456 LC |
10367 | err = nl80211_parse_wowlan_nd( |
10368 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
10369 | &new_triggers); | |
10370 | if (err) | |
10371 | goto error; | |
10372 | } | |
10373 | ||
98fc4386 JB |
10374 | /* The 'any' trigger means the device continues operating more or less |
10375 | * as in its normal operation mode and wakes up the host on most of the | |
10376 | * normal interrupts (like packet RX, ...) | |
10377 | * It therefore makes little sense to combine with the more constrained | |
10378 | * wakeup trigger modes. | |
10379 | */ | |
10380 | if (new_triggers.any && regular) { | |
10381 | err = -EINVAL; | |
10382 | goto error; | |
10383 | } | |
10384 | ||
ae33bd81 JB |
10385 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
10386 | if (!ntrig) { | |
10387 | err = -ENOMEM; | |
10388 | goto error; | |
ff1b6e69 | 10389 | } |
ae33bd81 | 10390 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 10391 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 10392 | |
ae33bd81 | 10393 | set_wakeup: |
6abb9cb9 JB |
10394 | if (rdev->ops->set_wakeup && |
10395 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
10396 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 10397 | |
ff1b6e69 JB |
10398 | return 0; |
10399 | error: | |
10400 | for (i = 0; i < new_triggers.n_patterns; i++) | |
10401 | kfree(new_triggers.patterns[i].mask); | |
10402 | kfree(new_triggers.patterns); | |
2a0e047e JB |
10403 | if (new_triggers.tcp && new_triggers.tcp->sock) |
10404 | sock_release(new_triggers.tcp->sock); | |
10405 | kfree(new_triggers.tcp); | |
e5dbe070 | 10406 | kfree(new_triggers.nd_config); |
ff1b6e69 JB |
10407 | return err; |
10408 | } | |
dfb89c56 | 10409 | #endif |
ff1b6e69 | 10410 | |
be29b99a AK |
10411 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
10412 | struct cfg80211_registered_device *rdev) | |
10413 | { | |
10414 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
10415 | int i, j, pat_len; | |
10416 | struct cfg80211_coalesce_rules *rule; | |
10417 | ||
10418 | if (!rdev->coalesce->n_rules) | |
10419 | return 0; | |
10420 | ||
10421 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
10422 | if (!nl_rules) | |
10423 | return -ENOBUFS; | |
10424 | ||
10425 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
10426 | nl_rule = nla_nest_start(msg, i + 1); | |
10427 | if (!nl_rule) | |
10428 | return -ENOBUFS; | |
10429 | ||
10430 | rule = &rdev->coalesce->rules[i]; | |
10431 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
10432 | rule->delay)) | |
10433 | return -ENOBUFS; | |
10434 | ||
10435 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
10436 | rule->condition)) | |
10437 | return -ENOBUFS; | |
10438 | ||
10439 | nl_pats = nla_nest_start(msg, | |
10440 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
10441 | if (!nl_pats) | |
10442 | return -ENOBUFS; | |
10443 | ||
10444 | for (j = 0; j < rule->n_patterns; j++) { | |
10445 | nl_pat = nla_nest_start(msg, j + 1); | |
10446 | if (!nl_pat) | |
10447 | return -ENOBUFS; | |
10448 | pat_len = rule->patterns[j].pattern_len; | |
10449 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
10450 | DIV_ROUND_UP(pat_len, 8), | |
10451 | rule->patterns[j].mask) || | |
10452 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
10453 | rule->patterns[j].pattern) || | |
10454 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
10455 | rule->patterns[j].pkt_offset)) | |
10456 | return -ENOBUFS; | |
10457 | nla_nest_end(msg, nl_pat); | |
10458 | } | |
10459 | nla_nest_end(msg, nl_pats); | |
10460 | nla_nest_end(msg, nl_rule); | |
10461 | } | |
10462 | nla_nest_end(msg, nl_rules); | |
10463 | ||
10464 | return 0; | |
10465 | } | |
10466 | ||
10467 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10468 | { | |
10469 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10470 | struct sk_buff *msg; | |
10471 | void *hdr; | |
10472 | ||
10473 | if (!rdev->wiphy.coalesce) | |
10474 | return -EOPNOTSUPP; | |
10475 | ||
10476 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10477 | if (!msg) | |
10478 | return -ENOMEM; | |
10479 | ||
10480 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10481 | NL80211_CMD_GET_COALESCE); | |
10482 | if (!hdr) | |
10483 | goto nla_put_failure; | |
10484 | ||
10485 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
10486 | goto nla_put_failure; | |
10487 | ||
10488 | genlmsg_end(msg, hdr); | |
10489 | return genlmsg_reply(msg, info); | |
10490 | ||
10491 | nla_put_failure: | |
10492 | nlmsg_free(msg); | |
10493 | return -ENOBUFS; | |
10494 | } | |
10495 | ||
10496 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
10497 | { | |
10498 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
10499 | int i, j; | |
10500 | struct cfg80211_coalesce_rules *rule; | |
10501 | ||
10502 | if (!coalesce) | |
10503 | return; | |
10504 | ||
10505 | for (i = 0; i < coalesce->n_rules; i++) { | |
10506 | rule = &coalesce->rules[i]; | |
10507 | for (j = 0; j < rule->n_patterns; j++) | |
10508 | kfree(rule->patterns[j].mask); | |
10509 | kfree(rule->patterns); | |
10510 | } | |
10511 | kfree(coalesce->rules); | |
10512 | kfree(coalesce); | |
10513 | rdev->coalesce = NULL; | |
10514 | } | |
10515 | ||
10516 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
10517 | struct nlattr *rule, | |
10518 | struct cfg80211_coalesce_rules *new_rule) | |
10519 | { | |
10520 | int err, i; | |
10521 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10522 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
10523 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
10524 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
10525 | ||
bfe2c7b1 JB |
10526 | err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule, |
10527 | nl80211_coalesce_policy); | |
be29b99a AK |
10528 | if (err) |
10529 | return err; | |
10530 | ||
10531 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
10532 | new_rule->delay = | |
10533 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
10534 | if (new_rule->delay > coalesce->max_delay) | |
10535 | return -EINVAL; | |
10536 | ||
10537 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
10538 | new_rule->condition = | |
10539 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
10540 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
10541 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
10542 | return -EINVAL; | |
10543 | ||
10544 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
10545 | return -EINVAL; | |
10546 | ||
10547 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10548 | rem) | |
10549 | n_patterns++; | |
10550 | if (n_patterns > coalesce->n_patterns) | |
10551 | return -EINVAL; | |
10552 | ||
10553 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
10554 | GFP_KERNEL); | |
10555 | if (!new_rule->patterns) | |
10556 | return -ENOMEM; | |
10557 | ||
10558 | new_rule->n_patterns = n_patterns; | |
10559 | i = 0; | |
10560 | ||
10561 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10562 | rem) { | |
922bd80f JB |
10563 | u8 *mask_pat; |
10564 | ||
bfe2c7b1 | 10565 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL); |
be29b99a AK |
10566 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10567 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
10568 | return -EINVAL; | |
10569 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
10570 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
10571 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
10572 | return -EINVAL; | |
10573 | if (pat_len > coalesce->pattern_max_len || | |
10574 | pat_len < coalesce->pattern_min_len) | |
10575 | return -EINVAL; | |
10576 | ||
10577 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
10578 | pkt_offset = 0; | |
10579 | else | |
10580 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
10581 | if (pkt_offset > coalesce->max_pkt_offset) | |
10582 | return -EINVAL; | |
10583 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
10584 | ||
922bd80f JB |
10585 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10586 | if (!mask_pat) | |
be29b99a | 10587 | return -ENOMEM; |
922bd80f JB |
10588 | |
10589 | new_rule->patterns[i].mask = mask_pat; | |
10590 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
10591 | mask_len); | |
10592 | ||
10593 | mask_pat += mask_len; | |
10594 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 10595 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
10596 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
10597 | pat_len); | |
be29b99a AK |
10598 | i++; |
10599 | } | |
10600 | ||
10601 | return 0; | |
10602 | } | |
10603 | ||
10604 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10605 | { | |
10606 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10607 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10608 | struct cfg80211_coalesce new_coalesce = {}; | |
10609 | struct cfg80211_coalesce *n_coalesce; | |
10610 | int err, rem_rule, n_rules = 0, i, j; | |
10611 | struct nlattr *rule; | |
10612 | struct cfg80211_coalesce_rules *tmp_rule; | |
10613 | ||
10614 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
10615 | return -EOPNOTSUPP; | |
10616 | ||
10617 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
10618 | cfg80211_rdev_free_coalesce(rdev); | |
a1056b1b | 10619 | rdev_set_coalesce(rdev, NULL); |
be29b99a AK |
10620 | return 0; |
10621 | } | |
10622 | ||
10623 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10624 | rem_rule) | |
10625 | n_rules++; | |
10626 | if (n_rules > coalesce->n_rules) | |
10627 | return -EINVAL; | |
10628 | ||
10629 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
10630 | GFP_KERNEL); | |
10631 | if (!new_coalesce.rules) | |
10632 | return -ENOMEM; | |
10633 | ||
10634 | new_coalesce.n_rules = n_rules; | |
10635 | i = 0; | |
10636 | ||
10637 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10638 | rem_rule) { | |
10639 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
10640 | &new_coalesce.rules[i]); | |
10641 | if (err) | |
10642 | goto error; | |
10643 | ||
10644 | i++; | |
10645 | } | |
10646 | ||
a1056b1b | 10647 | err = rdev_set_coalesce(rdev, &new_coalesce); |
be29b99a AK |
10648 | if (err) |
10649 | goto error; | |
10650 | ||
10651 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
10652 | if (!n_coalesce) { | |
10653 | err = -ENOMEM; | |
10654 | goto error; | |
10655 | } | |
10656 | cfg80211_rdev_free_coalesce(rdev); | |
10657 | rdev->coalesce = n_coalesce; | |
10658 | ||
10659 | return 0; | |
10660 | error: | |
10661 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
10662 | tmp_rule = &new_coalesce.rules[i]; | |
10663 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
10664 | kfree(tmp_rule->patterns[j].mask); | |
10665 | kfree(tmp_rule->patterns); | |
10666 | } | |
10667 | kfree(new_coalesce.rules); | |
10668 | ||
10669 | return err; | |
10670 | } | |
10671 | ||
e5497d76 JB |
10672 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
10673 | { | |
10674 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10675 | struct net_device *dev = info->user_ptr[1]; | |
10676 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10677 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
10678 | struct cfg80211_gtk_rekey_data rekey_data; | |
10679 | int err; | |
10680 | ||
10681 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
10682 | return -EINVAL; | |
10683 | ||
bfe2c7b1 JB |
10684 | err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA, |
10685 | info->attrs[NL80211_ATTR_REKEY_DATA], | |
10686 | nl80211_rekey_policy); | |
e5497d76 JB |
10687 | if (err) |
10688 | return err; | |
10689 | ||
10690 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
10691 | return -ERANGE; | |
10692 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
10693 | return -ERANGE; | |
10694 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
10695 | return -ERANGE; | |
10696 | ||
78f686ca JB |
10697 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
10698 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
10699 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
10700 | |
10701 | wdev_lock(wdev); | |
10702 | if (!wdev->current_bss) { | |
10703 | err = -ENOTCONN; | |
10704 | goto out; | |
10705 | } | |
10706 | ||
10707 | if (!rdev->ops->set_rekey_data) { | |
10708 | err = -EOPNOTSUPP; | |
10709 | goto out; | |
10710 | } | |
10711 | ||
e35e4d28 | 10712 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
10713 | out: |
10714 | wdev_unlock(wdev); | |
10715 | return err; | |
10716 | } | |
10717 | ||
28946da7 JB |
10718 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
10719 | struct genl_info *info) | |
10720 | { | |
10721 | struct net_device *dev = info->user_ptr[1]; | |
10722 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10723 | ||
10724 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10725 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10726 | return -EINVAL; | |
10727 | ||
15e47304 | 10728 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
10729 | return -EBUSY; |
10730 | ||
15e47304 | 10731 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
10732 | return 0; |
10733 | } | |
10734 | ||
7f6cf311 JB |
10735 | static int nl80211_probe_client(struct sk_buff *skb, |
10736 | struct genl_info *info) | |
10737 | { | |
10738 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10739 | struct net_device *dev = info->user_ptr[1]; | |
10740 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10741 | struct sk_buff *msg; | |
10742 | void *hdr; | |
10743 | const u8 *addr; | |
10744 | u64 cookie; | |
10745 | int err; | |
10746 | ||
10747 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10748 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10749 | return -EOPNOTSUPP; | |
10750 | ||
10751 | if (!info->attrs[NL80211_ATTR_MAC]) | |
10752 | return -EINVAL; | |
10753 | ||
10754 | if (!rdev->ops->probe_client) | |
10755 | return -EOPNOTSUPP; | |
10756 | ||
10757 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10758 | if (!msg) | |
10759 | return -ENOMEM; | |
10760 | ||
15e47304 | 10761 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 10762 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
10763 | if (!hdr) { |
10764 | err = -ENOBUFS; | |
7f6cf311 JB |
10765 | goto free_msg; |
10766 | } | |
10767 | ||
10768 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10769 | ||
e35e4d28 | 10770 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
10771 | if (err) |
10772 | goto free_msg; | |
10773 | ||
2dad624e ND |
10774 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
10775 | NL80211_ATTR_PAD)) | |
9360ffd1 | 10776 | goto nla_put_failure; |
7f6cf311 JB |
10777 | |
10778 | genlmsg_end(msg, hdr); | |
10779 | ||
10780 | return genlmsg_reply(msg, info); | |
10781 | ||
10782 | nla_put_failure: | |
10783 | err = -ENOBUFS; | |
10784 | free_msg: | |
10785 | nlmsg_free(msg); | |
10786 | return err; | |
10787 | } | |
10788 | ||
5e760230 JB |
10789 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
10790 | { | |
10791 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
10792 | struct cfg80211_beacon_registration *reg, *nreg; |
10793 | int rv; | |
5e760230 JB |
10794 | |
10795 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
10796 | return -EOPNOTSUPP; | |
10797 | ||
37c73b5f BG |
10798 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
10799 | if (!nreg) | |
10800 | return -ENOMEM; | |
10801 | ||
10802 | /* First, check if already registered. */ | |
10803 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
10804 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
10805 | if (reg->nlportid == info->snd_portid) { | |
10806 | rv = -EALREADY; | |
10807 | goto out_err; | |
10808 | } | |
10809 | } | |
10810 | /* Add it to the list */ | |
10811 | nreg->nlportid = info->snd_portid; | |
10812 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 10813 | |
37c73b5f | 10814 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
10815 | |
10816 | return 0; | |
37c73b5f BG |
10817 | out_err: |
10818 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
10819 | kfree(nreg); | |
10820 | return rv; | |
5e760230 JB |
10821 | } |
10822 | ||
98104fde JB |
10823 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
10824 | { | |
10825 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10826 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10827 | int err; | |
10828 | ||
10829 | if (!rdev->ops->start_p2p_device) | |
10830 | return -EOPNOTSUPP; | |
10831 | ||
10832 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10833 | return -EOPNOTSUPP; | |
10834 | ||
73c7da3d | 10835 | if (wdev_running(wdev)) |
98104fde JB |
10836 | return 0; |
10837 | ||
b6a55015 LC |
10838 | if (rfkill_blocked(rdev->rfkill)) |
10839 | return -ERFKILL; | |
98104fde | 10840 | |
eeb126e9 | 10841 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
10842 | if (err) |
10843 | return err; | |
10844 | ||
73c7da3d | 10845 | wdev->is_running = true; |
98104fde | 10846 | rdev->opencount++; |
98104fde JB |
10847 | |
10848 | return 0; | |
10849 | } | |
10850 | ||
10851 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
10852 | { | |
10853 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10854 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10855 | ||
10856 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10857 | return -EOPNOTSUPP; | |
10858 | ||
10859 | if (!rdev->ops->stop_p2p_device) | |
10860 | return -EOPNOTSUPP; | |
10861 | ||
f9f47529 | 10862 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
10863 | |
10864 | return 0; | |
10865 | } | |
10866 | ||
cb3b7d87 AB |
10867 | static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info) |
10868 | { | |
10869 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10870 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10871 | struct cfg80211_nan_conf conf = {}; | |
10872 | int err; | |
10873 | ||
10874 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10875 | return -EOPNOTSUPP; | |
10876 | ||
eeb04a96 | 10877 | if (wdev_running(wdev)) |
cb3b7d87 AB |
10878 | return -EEXIST; |
10879 | ||
10880 | if (rfkill_blocked(rdev->rfkill)) | |
10881 | return -ERFKILL; | |
10882 | ||
10883 | if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) | |
10884 | return -EINVAL; | |
10885 | ||
cb3b7d87 AB |
10886 | conf.master_pref = |
10887 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
10888 | if (!conf.master_pref) | |
10889 | return -EINVAL; | |
10890 | ||
8585989d LC |
10891 | if (info->attrs[NL80211_ATTR_BANDS]) { |
10892 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
10893 | ||
10894 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
10895 | return -EOPNOTSUPP; | |
10896 | ||
10897 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
10898 | return -EINVAL; | |
10899 | ||
10900 | conf.bands = bands; | |
10901 | } | |
cb3b7d87 AB |
10902 | |
10903 | err = rdev_start_nan(rdev, wdev, &conf); | |
10904 | if (err) | |
10905 | return err; | |
10906 | ||
73c7da3d | 10907 | wdev->is_running = true; |
cb3b7d87 AB |
10908 | rdev->opencount++; |
10909 | ||
10910 | return 0; | |
10911 | } | |
10912 | ||
10913 | static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info) | |
10914 | { | |
10915 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10916 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10917 | ||
10918 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10919 | return -EOPNOTSUPP; | |
10920 | ||
10921 | cfg80211_stop_nan(rdev, wdev); | |
10922 | ||
10923 | return 0; | |
10924 | } | |
10925 | ||
a442b761 AB |
10926 | static int validate_nan_filter(struct nlattr *filter_attr) |
10927 | { | |
10928 | struct nlattr *attr; | |
10929 | int len = 0, n_entries = 0, rem; | |
10930 | ||
10931 | nla_for_each_nested(attr, filter_attr, rem) { | |
10932 | len += nla_len(attr); | |
10933 | n_entries++; | |
10934 | } | |
10935 | ||
10936 | if (len >= U8_MAX) | |
10937 | return -EINVAL; | |
10938 | ||
10939 | return n_entries; | |
10940 | } | |
10941 | ||
10942 | static int handle_nan_filter(struct nlattr *attr_filter, | |
10943 | struct cfg80211_nan_func *func, | |
10944 | bool tx) | |
10945 | { | |
10946 | struct nlattr *attr; | |
10947 | int n_entries, rem, i; | |
10948 | struct cfg80211_nan_func_filter *filter; | |
10949 | ||
10950 | n_entries = validate_nan_filter(attr_filter); | |
10951 | if (n_entries < 0) | |
10952 | return n_entries; | |
10953 | ||
10954 | BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters)); | |
10955 | ||
10956 | filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL); | |
10957 | if (!filter) | |
10958 | return -ENOMEM; | |
10959 | ||
10960 | i = 0; | |
10961 | nla_for_each_nested(attr, attr_filter, rem) { | |
b15ca182 | 10962 | filter[i].filter = nla_memdup(attr, GFP_KERNEL); |
a442b761 AB |
10963 | filter[i].len = nla_len(attr); |
10964 | i++; | |
10965 | } | |
10966 | if (tx) { | |
10967 | func->num_tx_filters = n_entries; | |
10968 | func->tx_filters = filter; | |
10969 | } else { | |
10970 | func->num_rx_filters = n_entries; | |
10971 | func->rx_filters = filter; | |
10972 | } | |
10973 | ||
10974 | return 0; | |
10975 | } | |
10976 | ||
10977 | static int nl80211_nan_add_func(struct sk_buff *skb, | |
10978 | struct genl_info *info) | |
10979 | { | |
10980 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10981 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10982 | struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr; | |
10983 | struct cfg80211_nan_func *func; | |
10984 | struct sk_buff *msg = NULL; | |
10985 | void *hdr = NULL; | |
10986 | int err = 0; | |
10987 | ||
10988 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10989 | return -EOPNOTSUPP; | |
10990 | ||
73c7da3d | 10991 | if (!wdev_running(wdev)) |
a442b761 AB |
10992 | return -ENOTCONN; |
10993 | ||
10994 | if (!info->attrs[NL80211_ATTR_NAN_FUNC]) | |
10995 | return -EINVAL; | |
10996 | ||
10997 | if (wdev->owner_nlportid && | |
10998 | wdev->owner_nlportid != info->snd_portid) | |
10999 | return -ENOTCONN; | |
11000 | ||
bfe2c7b1 JB |
11001 | err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX, |
11002 | info->attrs[NL80211_ATTR_NAN_FUNC], | |
11003 | nl80211_nan_func_policy); | |
a442b761 AB |
11004 | if (err) |
11005 | return err; | |
11006 | ||
11007 | func = kzalloc(sizeof(*func), GFP_KERNEL); | |
11008 | if (!func) | |
11009 | return -ENOMEM; | |
11010 | ||
11011 | func->cookie = wdev->wiphy->cookie_counter++; | |
11012 | ||
11013 | if (!tb[NL80211_NAN_FUNC_TYPE] || | |
11014 | nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) { | |
11015 | err = -EINVAL; | |
11016 | goto out; | |
11017 | } | |
11018 | ||
11019 | ||
11020 | func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]); | |
11021 | ||
11022 | if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) { | |
11023 | err = -EINVAL; | |
11024 | goto out; | |
11025 | } | |
11026 | ||
11027 | memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]), | |
11028 | sizeof(func->service_id)); | |
11029 | ||
11030 | func->close_range = | |
11031 | nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]); | |
11032 | ||
11033 | if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) { | |
11034 | func->serv_spec_info_len = | |
11035 | nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]); | |
11036 | func->serv_spec_info = | |
11037 | kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]), | |
11038 | func->serv_spec_info_len, | |
11039 | GFP_KERNEL); | |
11040 | if (!func->serv_spec_info) { | |
11041 | err = -ENOMEM; | |
11042 | goto out; | |
11043 | } | |
11044 | } | |
11045 | ||
11046 | if (tb[NL80211_NAN_FUNC_TTL]) | |
11047 | func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]); | |
11048 | ||
11049 | switch (func->type) { | |
11050 | case NL80211_NAN_FUNC_PUBLISH: | |
11051 | if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) { | |
11052 | err = -EINVAL; | |
11053 | goto out; | |
11054 | } | |
11055 | ||
11056 | func->publish_type = | |
11057 | nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]); | |
11058 | func->publish_bcast = | |
11059 | nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]); | |
11060 | ||
11061 | if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) && | |
11062 | func->publish_bcast) { | |
11063 | err = -EINVAL; | |
11064 | goto out; | |
11065 | } | |
11066 | break; | |
11067 | case NL80211_NAN_FUNC_SUBSCRIBE: | |
11068 | func->subscribe_active = | |
11069 | nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]); | |
11070 | break; | |
11071 | case NL80211_NAN_FUNC_FOLLOW_UP: | |
11072 | if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] || | |
11073 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) { | |
11074 | err = -EINVAL; | |
11075 | goto out; | |
11076 | } | |
11077 | ||
11078 | func->followup_id = | |
11079 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]); | |
11080 | func->followup_reqid = | |
11081 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]); | |
11082 | memcpy(func->followup_dest.addr, | |
11083 | nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]), | |
11084 | sizeof(func->followup_dest.addr)); | |
11085 | if (func->ttl) { | |
11086 | err = -EINVAL; | |
11087 | goto out; | |
11088 | } | |
11089 | break; | |
11090 | default: | |
11091 | err = -EINVAL; | |
11092 | goto out; | |
11093 | } | |
11094 | ||
11095 | if (tb[NL80211_NAN_FUNC_SRF]) { | |
11096 | struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR]; | |
11097 | ||
bfe2c7b1 JB |
11098 | err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX, |
11099 | tb[NL80211_NAN_FUNC_SRF], | |
11100 | nl80211_nan_srf_policy); | |
a442b761 AB |
11101 | if (err) |
11102 | goto out; | |
11103 | ||
11104 | func->srf_include = | |
11105 | nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]); | |
11106 | ||
11107 | if (srf_tb[NL80211_NAN_SRF_BF]) { | |
11108 | if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] || | |
11109 | !srf_tb[NL80211_NAN_SRF_BF_IDX]) { | |
11110 | err = -EINVAL; | |
11111 | goto out; | |
11112 | } | |
11113 | ||
11114 | func->srf_bf_len = | |
11115 | nla_len(srf_tb[NL80211_NAN_SRF_BF]); | |
11116 | func->srf_bf = | |
11117 | kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]), | |
11118 | func->srf_bf_len, GFP_KERNEL); | |
11119 | if (!func->srf_bf) { | |
11120 | err = -ENOMEM; | |
11121 | goto out; | |
11122 | } | |
11123 | ||
11124 | func->srf_bf_idx = | |
11125 | nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]); | |
11126 | } else { | |
11127 | struct nlattr *attr, *mac_attr = | |
11128 | srf_tb[NL80211_NAN_SRF_MAC_ADDRS]; | |
11129 | int n_entries, rem, i = 0; | |
11130 | ||
11131 | if (!mac_attr) { | |
11132 | err = -EINVAL; | |
11133 | goto out; | |
11134 | } | |
11135 | ||
11136 | n_entries = validate_acl_mac_addrs(mac_attr); | |
11137 | if (n_entries <= 0) { | |
11138 | err = -EINVAL; | |
11139 | goto out; | |
11140 | } | |
11141 | ||
11142 | func->srf_num_macs = n_entries; | |
11143 | func->srf_macs = | |
11144 | kzalloc(sizeof(*func->srf_macs) * n_entries, | |
11145 | GFP_KERNEL); | |
11146 | if (!func->srf_macs) { | |
11147 | err = -ENOMEM; | |
11148 | goto out; | |
11149 | } | |
11150 | ||
11151 | nla_for_each_nested(attr, mac_attr, rem) | |
11152 | memcpy(func->srf_macs[i++].addr, nla_data(attr), | |
11153 | sizeof(*func->srf_macs)); | |
11154 | } | |
11155 | } | |
11156 | ||
11157 | if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) { | |
11158 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER], | |
11159 | func, true); | |
11160 | if (err) | |
11161 | goto out; | |
11162 | } | |
11163 | ||
11164 | if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) { | |
11165 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER], | |
11166 | func, false); | |
11167 | if (err) | |
11168 | goto out; | |
11169 | } | |
11170 | ||
11171 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11172 | if (!msg) { | |
11173 | err = -ENOMEM; | |
11174 | goto out; | |
11175 | } | |
11176 | ||
11177 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11178 | NL80211_CMD_ADD_NAN_FUNCTION); | |
11179 | /* This can't really happen - we just allocated 4KB */ | |
11180 | if (WARN_ON(!hdr)) { | |
11181 | err = -ENOMEM; | |
11182 | goto out; | |
11183 | } | |
11184 | ||
11185 | err = rdev_add_nan_func(rdev, wdev, func); | |
11186 | out: | |
11187 | if (err < 0) { | |
11188 | cfg80211_free_nan_func(func); | |
11189 | nlmsg_free(msg); | |
11190 | return err; | |
11191 | } | |
11192 | ||
11193 | /* propagate the instance id and cookie to userspace */ | |
11194 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie, | |
11195 | NL80211_ATTR_PAD)) | |
11196 | goto nla_put_failure; | |
11197 | ||
11198 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11199 | if (!func_attr) | |
11200 | goto nla_put_failure; | |
11201 | ||
11202 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, | |
11203 | func->instance_id)) | |
11204 | goto nla_put_failure; | |
11205 | ||
11206 | nla_nest_end(msg, func_attr); | |
11207 | ||
11208 | genlmsg_end(msg, hdr); | |
11209 | return genlmsg_reply(msg, info); | |
11210 | ||
11211 | nla_put_failure: | |
11212 | nlmsg_free(msg); | |
11213 | return -ENOBUFS; | |
11214 | } | |
11215 | ||
11216 | static int nl80211_nan_del_func(struct sk_buff *skb, | |
11217 | struct genl_info *info) | |
11218 | { | |
11219 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11220 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11221 | u64 cookie; | |
11222 | ||
11223 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11224 | return -EOPNOTSUPP; | |
11225 | ||
73c7da3d | 11226 | if (!wdev_running(wdev)) |
a442b761 AB |
11227 | return -ENOTCONN; |
11228 | ||
11229 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
11230 | return -EINVAL; | |
11231 | ||
11232 | if (wdev->owner_nlportid && | |
11233 | wdev->owner_nlportid != info->snd_portid) | |
11234 | return -ENOTCONN; | |
11235 | ||
11236 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
11237 | ||
11238 | rdev_del_nan_func(rdev, wdev, cookie); | |
11239 | ||
11240 | return 0; | |
11241 | } | |
11242 | ||
a5a9dcf2 AB |
11243 | static int nl80211_nan_change_config(struct sk_buff *skb, |
11244 | struct genl_info *info) | |
11245 | { | |
11246 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11247 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11248 | struct cfg80211_nan_conf conf = {}; | |
11249 | u32 changed = 0; | |
11250 | ||
11251 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11252 | return -EOPNOTSUPP; | |
11253 | ||
73c7da3d | 11254 | if (!wdev_running(wdev)) |
a5a9dcf2 AB |
11255 | return -ENOTCONN; |
11256 | ||
11257 | if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) { | |
11258 | conf.master_pref = | |
11259 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
11260 | if (conf.master_pref <= 1 || conf.master_pref == 255) | |
11261 | return -EINVAL; | |
11262 | ||
11263 | changed |= CFG80211_NAN_CONF_CHANGED_PREF; | |
11264 | } | |
11265 | ||
8585989d LC |
11266 | if (info->attrs[NL80211_ATTR_BANDS]) { |
11267 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
11268 | ||
11269 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
11270 | return -EOPNOTSUPP; | |
11271 | ||
11272 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
11273 | return -EINVAL; | |
11274 | ||
11275 | conf.bands = bands; | |
11276 | changed |= CFG80211_NAN_CONF_CHANGED_BANDS; | |
a5a9dcf2 AB |
11277 | } |
11278 | ||
11279 | if (!changed) | |
11280 | return -EINVAL; | |
11281 | ||
11282 | return rdev_nan_change_conf(rdev, wdev, &conf, changed); | |
11283 | } | |
11284 | ||
50bcd31d AB |
11285 | void cfg80211_nan_match(struct wireless_dev *wdev, |
11286 | struct cfg80211_nan_match_params *match, gfp_t gfp) | |
11287 | { | |
11288 | struct wiphy *wiphy = wdev->wiphy; | |
11289 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11290 | struct nlattr *match_attr, *local_func_attr, *peer_func_attr; | |
11291 | struct sk_buff *msg; | |
11292 | void *hdr; | |
11293 | ||
11294 | if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr)) | |
11295 | return; | |
11296 | ||
11297 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11298 | if (!msg) | |
11299 | return; | |
11300 | ||
11301 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH); | |
11302 | if (!hdr) { | |
11303 | nlmsg_free(msg); | |
11304 | return; | |
11305 | } | |
11306 | ||
11307 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11308 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11309 | wdev->netdev->ifindex)) || | |
11310 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11311 | NL80211_ATTR_PAD)) | |
11312 | goto nla_put_failure; | |
11313 | ||
11314 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie, | |
11315 | NL80211_ATTR_PAD) || | |
11316 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr)) | |
11317 | goto nla_put_failure; | |
11318 | ||
11319 | match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH); | |
11320 | if (!match_attr) | |
11321 | goto nla_put_failure; | |
11322 | ||
11323 | local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL); | |
11324 | if (!local_func_attr) | |
11325 | goto nla_put_failure; | |
11326 | ||
11327 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id)) | |
11328 | goto nla_put_failure; | |
11329 | ||
11330 | nla_nest_end(msg, local_func_attr); | |
11331 | ||
11332 | peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER); | |
11333 | if (!peer_func_attr) | |
11334 | goto nla_put_failure; | |
11335 | ||
11336 | if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) || | |
11337 | nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id)) | |
11338 | goto nla_put_failure; | |
11339 | ||
11340 | if (match->info && match->info_len && | |
11341 | nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len, | |
11342 | match->info)) | |
11343 | goto nla_put_failure; | |
11344 | ||
11345 | nla_nest_end(msg, peer_func_attr); | |
11346 | nla_nest_end(msg, match_attr); | |
11347 | genlmsg_end(msg, hdr); | |
11348 | ||
11349 | if (!wdev->owner_nlportid) | |
11350 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11351 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11352 | else | |
11353 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11354 | wdev->owner_nlportid); | |
11355 | ||
11356 | return; | |
11357 | ||
11358 | nla_put_failure: | |
11359 | nlmsg_free(msg); | |
11360 | } | |
11361 | EXPORT_SYMBOL(cfg80211_nan_match); | |
11362 | ||
368e5a7b AB |
11363 | void cfg80211_nan_func_terminated(struct wireless_dev *wdev, |
11364 | u8 inst_id, | |
11365 | enum nl80211_nan_func_term_reason reason, | |
11366 | u64 cookie, gfp_t gfp) | |
11367 | { | |
11368 | struct wiphy *wiphy = wdev->wiphy; | |
11369 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11370 | struct sk_buff *msg; | |
11371 | struct nlattr *func_attr; | |
11372 | void *hdr; | |
11373 | ||
11374 | if (WARN_ON(!inst_id)) | |
11375 | return; | |
11376 | ||
11377 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11378 | if (!msg) | |
11379 | return; | |
11380 | ||
11381 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION); | |
11382 | if (!hdr) { | |
11383 | nlmsg_free(msg); | |
11384 | return; | |
11385 | } | |
11386 | ||
11387 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11388 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11389 | wdev->netdev->ifindex)) || | |
11390 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11391 | NL80211_ATTR_PAD)) | |
11392 | goto nla_put_failure; | |
11393 | ||
11394 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, | |
11395 | NL80211_ATTR_PAD)) | |
11396 | goto nla_put_failure; | |
11397 | ||
11398 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11399 | if (!func_attr) | |
11400 | goto nla_put_failure; | |
11401 | ||
11402 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) || | |
11403 | nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason)) | |
11404 | goto nla_put_failure; | |
11405 | ||
11406 | nla_nest_end(msg, func_attr); | |
11407 | genlmsg_end(msg, hdr); | |
11408 | ||
11409 | if (!wdev->owner_nlportid) | |
11410 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11411 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11412 | else | |
11413 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11414 | wdev->owner_nlportid); | |
11415 | ||
11416 | return; | |
11417 | ||
11418 | nla_put_failure: | |
11419 | nlmsg_free(msg); | |
11420 | } | |
11421 | EXPORT_SYMBOL(cfg80211_nan_func_terminated); | |
11422 | ||
3713b4e3 JB |
11423 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
11424 | struct genl_info *info) | |
11425 | { | |
11426 | void *hdr; | |
11427 | struct sk_buff *msg; | |
11428 | ||
11429 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11430 | if (!msg) | |
11431 | return -ENOMEM; | |
11432 | ||
11433 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11434 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
11435 | if (!hdr) | |
11436 | goto nla_put_failure; | |
11437 | ||
11438 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
11439 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
11440 | goto nla_put_failure; | |
11441 | ||
11442 | genlmsg_end(msg, hdr); | |
11443 | return genlmsg_reply(msg, info); | |
11444 | ||
11445 | nla_put_failure: | |
11446 | kfree_skb(msg); | |
11447 | return -ENOBUFS; | |
11448 | } | |
11449 | ||
355199e0 JM |
11450 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
11451 | { | |
11452 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11453 | struct cfg80211_update_ft_ies_params ft_params; | |
11454 | struct net_device *dev = info->user_ptr[1]; | |
11455 | ||
11456 | if (!rdev->ops->update_ft_ies) | |
11457 | return -EOPNOTSUPP; | |
11458 | ||
11459 | if (!info->attrs[NL80211_ATTR_MDID] || | |
11460 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
11461 | return -EINVAL; | |
11462 | ||
11463 | memset(&ft_params, 0, sizeof(ft_params)); | |
11464 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
11465 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
11466 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
11467 | ||
11468 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
11469 | } | |
11470 | ||
5de17984 AS |
11471 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
11472 | struct genl_info *info) | |
11473 | { | |
11474 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11475 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11476 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
11477 | u16 duration; | |
11478 | int ret; | |
11479 | ||
11480 | if (!rdev->ops->crit_proto_start) | |
11481 | return -EOPNOTSUPP; | |
11482 | ||
11483 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
11484 | return -EINVAL; | |
11485 | ||
11486 | if (rdev->crit_proto_nlportid) | |
11487 | return -EBUSY; | |
11488 | ||
11489 | /* determine protocol if provided */ | |
11490 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
11491 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
11492 | ||
11493 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
11494 | return -EINVAL; | |
11495 | ||
11496 | /* timeout must be provided */ | |
11497 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
11498 | return -EINVAL; | |
11499 | ||
11500 | duration = | |
11501 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
11502 | ||
11503 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
11504 | return -ERANGE; | |
11505 | ||
11506 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
11507 | if (!ret) | |
11508 | rdev->crit_proto_nlportid = info->snd_portid; | |
11509 | ||
11510 | return ret; | |
11511 | } | |
11512 | ||
11513 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
11514 | struct genl_info *info) | |
11515 | { | |
11516 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11517 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11518 | ||
11519 | if (!rdev->ops->crit_proto_stop) | |
11520 | return -EOPNOTSUPP; | |
11521 | ||
11522 | if (rdev->crit_proto_nlportid) { | |
11523 | rdev->crit_proto_nlportid = 0; | |
11524 | rdev_crit_proto_stop(rdev, wdev); | |
11525 | } | |
11526 | return 0; | |
11527 | } | |
11528 | ||
ad7e718c JB |
11529 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
11530 | { | |
11531 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11532 | struct wireless_dev *wdev = | |
11533 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
11534 | int i, err; | |
11535 | u32 vid, subcmd; | |
11536 | ||
11537 | if (!rdev->wiphy.vendor_commands) | |
11538 | return -EOPNOTSUPP; | |
11539 | ||
11540 | if (IS_ERR(wdev)) { | |
11541 | err = PTR_ERR(wdev); | |
11542 | if (err != -EINVAL) | |
11543 | return err; | |
11544 | wdev = NULL; | |
11545 | } else if (wdev->wiphy != &rdev->wiphy) { | |
11546 | return -EINVAL; | |
11547 | } | |
11548 | ||
11549 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
11550 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
11551 | return -EINVAL; | |
11552 | ||
11553 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
11554 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
11555 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
11556 | const struct wiphy_vendor_command *vcmd; | |
11557 | void *data = NULL; | |
11558 | int len = 0; | |
11559 | ||
11560 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
11561 | ||
11562 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11563 | continue; | |
11564 | ||
11565 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11566 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11567 | if (!wdev) | |
11568 | return -EINVAL; | |
11569 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11570 | !wdev->netdev) | |
11571 | return -EINVAL; | |
11572 | ||
11573 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 11574 | if (!wdev_running(wdev)) |
ad7e718c JB |
11575 | return -ENETDOWN; |
11576 | } | |
7bdbe400 JB |
11577 | |
11578 | if (!vcmd->doit) | |
11579 | return -EOPNOTSUPP; | |
ad7e718c JB |
11580 | } else { |
11581 | wdev = NULL; | |
11582 | } | |
11583 | ||
11584 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
11585 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11586 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11587 | } | |
11588 | ||
11589 | rdev->cur_cmd_info = info; | |
11590 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
11591 | data, len); | |
11592 | rdev->cur_cmd_info = NULL; | |
11593 | return err; | |
11594 | } | |
11595 | ||
11596 | return -EOPNOTSUPP; | |
11597 | } | |
11598 | ||
7bdbe400 JB |
11599 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
11600 | struct netlink_callback *cb, | |
11601 | struct cfg80211_registered_device **rdev, | |
11602 | struct wireless_dev **wdev) | |
11603 | { | |
c90c39da | 11604 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
7bdbe400 JB |
11605 | u32 vid, subcmd; |
11606 | unsigned int i; | |
11607 | int vcmd_idx = -1; | |
11608 | int err; | |
11609 | void *data = NULL; | |
11610 | unsigned int data_len = 0; | |
11611 | ||
11612 | rtnl_lock(); | |
11613 | ||
11614 | if (cb->args[0]) { | |
11615 | /* subtract the 1 again here */ | |
11616 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
11617 | struct wireless_dev *tmp; | |
11618 | ||
11619 | if (!wiphy) { | |
11620 | err = -ENODEV; | |
11621 | goto out_unlock; | |
11622 | } | |
11623 | *rdev = wiphy_to_rdev(wiphy); | |
11624 | *wdev = NULL; | |
11625 | ||
11626 | if (cb->args[1]) { | |
53873f13 | 11627 | list_for_each_entry(tmp, &wiphy->wdev_list, list) { |
7bdbe400 JB |
11628 | if (tmp->identifier == cb->args[1] - 1) { |
11629 | *wdev = tmp; | |
11630 | break; | |
11631 | } | |
11632 | } | |
11633 | } | |
11634 | ||
11635 | /* keep rtnl locked in successful case */ | |
11636 | return 0; | |
11637 | } | |
11638 | ||
11639 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
c90c39da | 11640 | attrbuf, nl80211_fam.maxattr, nl80211_policy); |
7bdbe400 JB |
11641 | if (err) |
11642 | goto out_unlock; | |
11643 | ||
c90c39da JB |
11644 | if (!attrbuf[NL80211_ATTR_VENDOR_ID] || |
11645 | !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { | |
7bdbe400 JB |
11646 | err = -EINVAL; |
11647 | goto out_unlock; | |
11648 | } | |
11649 | ||
c90c39da | 11650 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
11651 | if (IS_ERR(*wdev)) |
11652 | *wdev = NULL; | |
11653 | ||
c90c39da | 11654 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
11655 | if (IS_ERR(*rdev)) { |
11656 | err = PTR_ERR(*rdev); | |
11657 | goto out_unlock; | |
11658 | } | |
11659 | ||
c90c39da JB |
11660 | vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); |
11661 | subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
7bdbe400 JB |
11662 | |
11663 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
11664 | const struct wiphy_vendor_command *vcmd; | |
11665 | ||
11666 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
11667 | ||
11668 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11669 | continue; | |
11670 | ||
11671 | if (!vcmd->dumpit) { | |
11672 | err = -EOPNOTSUPP; | |
11673 | goto out_unlock; | |
11674 | } | |
11675 | ||
11676 | vcmd_idx = i; | |
11677 | break; | |
11678 | } | |
11679 | ||
11680 | if (vcmd_idx < 0) { | |
11681 | err = -EOPNOTSUPP; | |
11682 | goto out_unlock; | |
11683 | } | |
11684 | ||
c90c39da JB |
11685 | if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { |
11686 | data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
11687 | data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
7bdbe400 JB |
11688 | } |
11689 | ||
11690 | /* 0 is the first index - add 1 to parse only once */ | |
11691 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
11692 | /* add 1 to know if it was NULL */ | |
11693 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
11694 | cb->args[2] = vcmd_idx; | |
11695 | cb->args[3] = (unsigned long)data; | |
11696 | cb->args[4] = data_len; | |
11697 | ||
11698 | /* keep rtnl locked in successful case */ | |
11699 | return 0; | |
11700 | out_unlock: | |
11701 | rtnl_unlock(); | |
11702 | return err; | |
11703 | } | |
11704 | ||
11705 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
11706 | struct netlink_callback *cb) | |
11707 | { | |
11708 | struct cfg80211_registered_device *rdev; | |
11709 | struct wireless_dev *wdev; | |
11710 | unsigned int vcmd_idx; | |
11711 | const struct wiphy_vendor_command *vcmd; | |
11712 | void *data; | |
11713 | int data_len; | |
11714 | int err; | |
11715 | struct nlattr *vendor_data; | |
11716 | ||
11717 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); | |
11718 | if (err) | |
11719 | return err; | |
11720 | ||
11721 | vcmd_idx = cb->args[2]; | |
11722 | data = (void *)cb->args[3]; | |
11723 | data_len = cb->args[4]; | |
11724 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
11725 | ||
11726 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11727 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11728 | if (!wdev) | |
11729 | return -EINVAL; | |
11730 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11731 | !wdev->netdev) | |
11732 | return -EINVAL; | |
11733 | ||
11734 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 11735 | if (!wdev_running(wdev)) |
7bdbe400 JB |
11736 | return -ENETDOWN; |
11737 | } | |
11738 | } | |
11739 | ||
11740 | while (1) { | |
11741 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
11742 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
11743 | NL80211_CMD_VENDOR); | |
11744 | if (!hdr) | |
11745 | break; | |
11746 | ||
11747 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
11748 | (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
11749 | wdev_id(wdev), | |
11750 | NL80211_ATTR_PAD))) { | |
7bdbe400 JB |
11751 | genlmsg_cancel(skb, hdr); |
11752 | break; | |
11753 | } | |
11754 | ||
11755 | vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA); | |
11756 | if (!vendor_data) { | |
11757 | genlmsg_cancel(skb, hdr); | |
11758 | break; | |
11759 | } | |
11760 | ||
11761 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
11762 | (unsigned long *)&cb->args[5]); | |
11763 | nla_nest_end(skb, vendor_data); | |
11764 | ||
11765 | if (err == -ENOBUFS || err == -ENOENT) { | |
11766 | genlmsg_cancel(skb, hdr); | |
11767 | break; | |
11768 | } else if (err) { | |
11769 | genlmsg_cancel(skb, hdr); | |
11770 | goto out; | |
11771 | } | |
11772 | ||
11773 | genlmsg_end(skb, hdr); | |
11774 | } | |
11775 | ||
11776 | err = skb->len; | |
11777 | out: | |
11778 | rtnl_unlock(); | |
11779 | return err; | |
11780 | } | |
11781 | ||
ad7e718c JB |
11782 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
11783 | enum nl80211_commands cmd, | |
11784 | enum nl80211_attrs attr, | |
11785 | int approxlen) | |
11786 | { | |
f26cbf40 | 11787 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
11788 | |
11789 | if (WARN_ON(!rdev->cur_cmd_info)) | |
11790 | return NULL; | |
11791 | ||
6c09e791 | 11792 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
11793 | rdev->cur_cmd_info->snd_portid, |
11794 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 11795 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
11796 | } |
11797 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
11798 | ||
11799 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
11800 | { | |
11801 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
11802 | void *hdr = ((void **)skb->cb)[1]; | |
11803 | struct nlattr *data = ((void **)skb->cb)[2]; | |
11804 | ||
bd8c78e7 JB |
11805 | /* clear CB data for netlink core to own from now on */ |
11806 | memset(skb->cb, 0, sizeof(skb->cb)); | |
11807 | ||
ad7e718c JB |
11808 | if (WARN_ON(!rdev->cur_cmd_info)) { |
11809 | kfree_skb(skb); | |
11810 | return -EINVAL; | |
11811 | } | |
11812 | ||
11813 | nla_nest_end(skb, data); | |
11814 | genlmsg_end(skb, hdr); | |
11815 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
11816 | } | |
11817 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
11818 | ||
fa9ffc74 KP |
11819 | static int nl80211_set_qos_map(struct sk_buff *skb, |
11820 | struct genl_info *info) | |
11821 | { | |
11822 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11823 | struct cfg80211_qos_map *qos_map = NULL; | |
11824 | struct net_device *dev = info->user_ptr[1]; | |
11825 | u8 *pos, len, num_des, des_len, des; | |
11826 | int ret; | |
11827 | ||
11828 | if (!rdev->ops->set_qos_map) | |
11829 | return -EOPNOTSUPP; | |
11830 | ||
11831 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
11832 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
11833 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
11834 | ||
11835 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
11836 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
11837 | return -EINVAL; | |
11838 | ||
11839 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
11840 | if (!qos_map) | |
11841 | return -ENOMEM; | |
11842 | ||
11843 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
11844 | if (num_des) { | |
11845 | des_len = num_des * | |
11846 | sizeof(struct cfg80211_dscp_exception); | |
11847 | memcpy(qos_map->dscp_exception, pos, des_len); | |
11848 | qos_map->num_des = num_des; | |
11849 | for (des = 0; des < num_des; des++) { | |
11850 | if (qos_map->dscp_exception[des].up > 7) { | |
11851 | kfree(qos_map); | |
11852 | return -EINVAL; | |
11853 | } | |
11854 | } | |
11855 | pos += des_len; | |
11856 | } | |
11857 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
11858 | } | |
11859 | ||
11860 | wdev_lock(dev->ieee80211_ptr); | |
11861 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
11862 | if (!ret) | |
11863 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
11864 | wdev_unlock(dev->ieee80211_ptr); | |
11865 | ||
11866 | kfree(qos_map); | |
11867 | return ret; | |
11868 | } | |
11869 | ||
960d01ac JB |
11870 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
11871 | { | |
11872 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11873 | struct net_device *dev = info->user_ptr[1]; | |
11874 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11875 | const u8 *peer; | |
11876 | u8 tsid, up; | |
11877 | u16 admitted_time = 0; | |
11878 | int err; | |
11879 | ||
723e73ac | 11880 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
11881 | return -EOPNOTSUPP; |
11882 | ||
11883 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
11884 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
11885 | return -EINVAL; | |
11886 | ||
11887 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
11888 | if (tsid >= IEEE80211_NUM_TIDS) | |
11889 | return -EINVAL; | |
11890 | ||
11891 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
11892 | if (up >= IEEE80211_NUM_UPS) | |
11893 | return -EINVAL; | |
11894 | ||
11895 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 11896 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 11897 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
11898 | * need more attributes for that (e.g. BA session requirement); |
11899 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
11900 | */ |
11901 | return -EINVAL; | |
11902 | } | |
11903 | ||
11904 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11905 | ||
11906 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
11907 | admitted_time = | |
11908 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
11909 | if (!admitted_time) | |
11910 | return -EINVAL; | |
11911 | } | |
11912 | ||
11913 | wdev_lock(wdev); | |
11914 | switch (wdev->iftype) { | |
11915 | case NL80211_IFTYPE_STATION: | |
11916 | case NL80211_IFTYPE_P2P_CLIENT: | |
11917 | if (wdev->current_bss) | |
11918 | break; | |
11919 | err = -ENOTCONN; | |
11920 | goto out; | |
11921 | default: | |
11922 | err = -EOPNOTSUPP; | |
11923 | goto out; | |
11924 | } | |
11925 | ||
11926 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
11927 | ||
11928 | out: | |
11929 | wdev_unlock(wdev); | |
11930 | return err; | |
11931 | } | |
11932 | ||
11933 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
11934 | { | |
11935 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11936 | struct net_device *dev = info->user_ptr[1]; | |
11937 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11938 | const u8 *peer; | |
11939 | u8 tsid; | |
11940 | int err; | |
11941 | ||
11942 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
11943 | return -EINVAL; | |
11944 | ||
11945 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
11946 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11947 | ||
11948 | wdev_lock(wdev); | |
11949 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
11950 | wdev_unlock(wdev); | |
11951 | ||
11952 | return err; | |
11953 | } | |
11954 | ||
1057d35e AN |
11955 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
11956 | struct genl_info *info) | |
11957 | { | |
11958 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11959 | struct net_device *dev = info->user_ptr[1]; | |
11960 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11961 | struct cfg80211_chan_def chandef = {}; | |
11962 | const u8 *addr; | |
11963 | u8 oper_class; | |
11964 | int err; | |
11965 | ||
11966 | if (!rdev->ops->tdls_channel_switch || | |
11967 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
11968 | return -EOPNOTSUPP; | |
11969 | ||
11970 | switch (dev->ieee80211_ptr->iftype) { | |
11971 | case NL80211_IFTYPE_STATION: | |
11972 | case NL80211_IFTYPE_P2P_CLIENT: | |
11973 | break; | |
11974 | default: | |
11975 | return -EOPNOTSUPP; | |
11976 | } | |
11977 | ||
11978 | if (!info->attrs[NL80211_ATTR_MAC] || | |
11979 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
11980 | return -EINVAL; | |
11981 | ||
11982 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
11983 | if (err) | |
11984 | return err; | |
11985 | ||
11986 | /* | |
11987 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
11988 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
11989 | * specification is not defined for them. | |
11990 | */ | |
57fbcce3 | 11991 | if (chandef.chan->band == NL80211_BAND_2GHZ && |
1057d35e AN |
11992 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && |
11993 | chandef.width != NL80211_CHAN_WIDTH_20) | |
11994 | return -EINVAL; | |
11995 | ||
11996 | /* we will be active on the TDLS link */ | |
923b352f AN |
11997 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
11998 | wdev->iftype)) | |
1057d35e AN |
11999 | return -EINVAL; |
12000 | ||
12001 | /* don't allow switching to DFS channels */ | |
12002 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
12003 | return -EINVAL; | |
12004 | ||
12005 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12006 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
12007 | ||
12008 | wdev_lock(wdev); | |
12009 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
12010 | wdev_unlock(wdev); | |
12011 | ||
12012 | return err; | |
12013 | } | |
12014 | ||
12015 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
12016 | struct genl_info *info) | |
12017 | { | |
12018 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12019 | struct net_device *dev = info->user_ptr[1]; | |
12020 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12021 | const u8 *addr; | |
12022 | ||
12023 | if (!rdev->ops->tdls_channel_switch || | |
12024 | !rdev->ops->tdls_cancel_channel_switch || | |
12025 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
12026 | return -EOPNOTSUPP; | |
12027 | ||
12028 | switch (dev->ieee80211_ptr->iftype) { | |
12029 | case NL80211_IFTYPE_STATION: | |
12030 | case NL80211_IFTYPE_P2P_CLIENT: | |
12031 | break; | |
12032 | default: | |
12033 | return -EOPNOTSUPP; | |
12034 | } | |
12035 | ||
12036 | if (!info->attrs[NL80211_ATTR_MAC]) | |
12037 | return -EINVAL; | |
12038 | ||
12039 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12040 | ||
12041 | wdev_lock(wdev); | |
12042 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
12043 | wdev_unlock(wdev); | |
12044 | ||
12045 | return 0; | |
12046 | } | |
12047 | ||
ce0ce13a MB |
12048 | static int nl80211_set_multicast_to_unicast(struct sk_buff *skb, |
12049 | struct genl_info *info) | |
12050 | { | |
12051 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12052 | struct net_device *dev = info->user_ptr[1]; | |
12053 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12054 | const struct nlattr *nla; | |
12055 | bool enabled; | |
12056 | ||
ce0ce13a MB |
12057 | if (!rdev->ops->set_multicast_to_unicast) |
12058 | return -EOPNOTSUPP; | |
12059 | ||
12060 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
12061 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
12062 | return -EOPNOTSUPP; | |
12063 | ||
12064 | nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED]; | |
12065 | enabled = nla_get_flag(nla); | |
12066 | ||
12067 | return rdev_set_multicast_to_unicast(rdev, dev, enabled); | |
12068 | } | |
12069 | ||
4c476991 JB |
12070 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
12071 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
12072 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
12073 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
12074 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
12075 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 12076 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 12077 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
12078 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
12079 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 12080 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 12081 | |
f84f771d | 12082 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
12083 | struct genl_info *info) |
12084 | { | |
12085 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 12086 | struct wireless_dev *wdev; |
4c476991 | 12087 | struct net_device *dev; |
4c476991 JB |
12088 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
12089 | ||
12090 | if (rtnl) | |
12091 | rtnl_lock(); | |
12092 | ||
12093 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 12094 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
12095 | if (IS_ERR(rdev)) { |
12096 | if (rtnl) | |
12097 | rtnl_unlock(); | |
12098 | return PTR_ERR(rdev); | |
12099 | } | |
12100 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
12101 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
12102 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
12103 | ASSERT_RTNL(); |
12104 | ||
89a54e48 JB |
12105 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
12106 | info->attrs); | |
12107 | if (IS_ERR(wdev)) { | |
4c476991 JB |
12108 | if (rtnl) |
12109 | rtnl_unlock(); | |
89a54e48 | 12110 | return PTR_ERR(wdev); |
4c476991 | 12111 | } |
89a54e48 | 12112 | |
89a54e48 | 12113 | dev = wdev->netdev; |
f26cbf40 | 12114 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 12115 | |
1bf614ef JB |
12116 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
12117 | if (!dev) { | |
1bf614ef JB |
12118 | if (rtnl) |
12119 | rtnl_unlock(); | |
12120 | return -EINVAL; | |
12121 | } | |
12122 | ||
12123 | info->user_ptr[1] = dev; | |
12124 | } else { | |
12125 | info->user_ptr[1] = wdev; | |
41265714 | 12126 | } |
1bf614ef | 12127 | |
73c7da3d AVS |
12128 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
12129 | !wdev_running(wdev)) { | |
12130 | if (rtnl) | |
12131 | rtnl_unlock(); | |
12132 | return -ENETDOWN; | |
12133 | } | |
1bf614ef | 12134 | |
73c7da3d | 12135 | if (dev) |
1bf614ef | 12136 | dev_hold(dev); |
89a54e48 | 12137 | |
4c476991 | 12138 | info->user_ptr[0] = rdev; |
4c476991 JB |
12139 | } |
12140 | ||
12141 | return 0; | |
12142 | } | |
12143 | ||
f84f771d | 12144 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
12145 | struct genl_info *info) |
12146 | { | |
1bf614ef JB |
12147 | if (info->user_ptr[1]) { |
12148 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
12149 | struct wireless_dev *wdev = info->user_ptr[1]; | |
12150 | ||
12151 | if (wdev->netdev) | |
12152 | dev_put(wdev->netdev); | |
12153 | } else { | |
12154 | dev_put(info->user_ptr[1]); | |
12155 | } | |
12156 | } | |
5393b917 | 12157 | |
4c476991 JB |
12158 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
12159 | rtnl_unlock(); | |
5393b917 JB |
12160 | |
12161 | /* If needed, clear the netlink message payload from the SKB | |
12162 | * as it might contain key data that shouldn't stick around on | |
12163 | * the heap after the SKB is freed. The netlink message header | |
12164 | * is still needed for further processing, so leave it intact. | |
12165 | */ | |
12166 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
12167 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
12168 | ||
12169 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
12170 | } | |
4c476991 JB |
12171 | } |
12172 | ||
4534de83 | 12173 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
12174 | { |
12175 | .cmd = NL80211_CMD_GET_WIPHY, | |
12176 | .doit = nl80211_get_wiphy, | |
12177 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 12178 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
12179 | .policy = nl80211_policy, |
12180 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
12181 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12182 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12183 | }, |
12184 | { | |
12185 | .cmd = NL80211_CMD_SET_WIPHY, | |
12186 | .doit = nl80211_set_wiphy, | |
12187 | .policy = nl80211_policy, | |
5617c6cd | 12188 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 | 12189 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
12190 | }, |
12191 | { | |
12192 | .cmd = NL80211_CMD_GET_INTERFACE, | |
12193 | .doit = nl80211_get_interface, | |
12194 | .dumpit = nl80211_dump_interface, | |
12195 | .policy = nl80211_policy, | |
12196 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
12197 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
12198 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12199 | }, |
12200 | { | |
12201 | .cmd = NL80211_CMD_SET_INTERFACE, | |
12202 | .doit = nl80211_set_interface, | |
12203 | .policy = nl80211_policy, | |
5617c6cd | 12204 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12205 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12206 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12207 | }, |
12208 | { | |
12209 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
12210 | .doit = nl80211_new_interface, | |
12211 | .policy = nl80211_policy, | |
5617c6cd | 12212 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12213 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12214 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12215 | }, |
12216 | { | |
12217 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
12218 | .doit = nl80211_del_interface, | |
12219 | .policy = nl80211_policy, | |
5617c6cd | 12220 | .flags = GENL_UNS_ADMIN_PERM, |
84efbb84 | 12221 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 12222 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
12223 | }, |
12224 | { | |
12225 | .cmd = NL80211_CMD_GET_KEY, | |
12226 | .doit = nl80211_get_key, | |
12227 | .policy = nl80211_policy, | |
5617c6cd | 12228 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12229 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12230 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
12231 | }, |
12232 | { | |
12233 | .cmd = NL80211_CMD_SET_KEY, | |
12234 | .doit = nl80211_set_key, | |
12235 | .policy = nl80211_policy, | |
5617c6cd | 12236 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12237 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12238 | NL80211_FLAG_NEED_RTNL | |
12239 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
12240 | }, |
12241 | { | |
12242 | .cmd = NL80211_CMD_NEW_KEY, | |
12243 | .doit = nl80211_new_key, | |
12244 | .policy = nl80211_policy, | |
5617c6cd | 12245 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12246 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12247 | NL80211_FLAG_NEED_RTNL | |
12248 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
12249 | }, |
12250 | { | |
12251 | .cmd = NL80211_CMD_DEL_KEY, | |
12252 | .doit = nl80211_del_key, | |
12253 | .policy = nl80211_policy, | |
5617c6cd | 12254 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12255 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12256 | NL80211_FLAG_NEED_RTNL, |
55682965 | 12257 | }, |
ed1b6cc7 JB |
12258 | { |
12259 | .cmd = NL80211_CMD_SET_BEACON, | |
12260 | .policy = nl80211_policy, | |
5617c6cd | 12261 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12262 | .doit = nl80211_set_beacon, |
2b5f8b0b | 12263 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12264 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12265 | }, |
12266 | { | |
8860020e | 12267 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 | 12268 | .policy = nl80211_policy, |
5617c6cd | 12269 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12270 | .doit = nl80211_start_ap, |
2b5f8b0b | 12271 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12272 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12273 | }, |
12274 | { | |
8860020e | 12275 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 | 12276 | .policy = nl80211_policy, |
5617c6cd | 12277 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12278 | .doit = nl80211_stop_ap, |
2b5f8b0b | 12279 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12280 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 12281 | }, |
5727ef1b JB |
12282 | { |
12283 | .cmd = NL80211_CMD_GET_STATION, | |
12284 | .doit = nl80211_get_station, | |
2ec600d6 | 12285 | .dumpit = nl80211_dump_station, |
5727ef1b | 12286 | .policy = nl80211_policy, |
4c476991 JB |
12287 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12288 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
12289 | }, |
12290 | { | |
12291 | .cmd = NL80211_CMD_SET_STATION, | |
12292 | .doit = nl80211_set_station, | |
12293 | .policy = nl80211_policy, | |
5617c6cd | 12294 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12295 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12296 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12297 | }, |
12298 | { | |
12299 | .cmd = NL80211_CMD_NEW_STATION, | |
12300 | .doit = nl80211_new_station, | |
12301 | .policy = nl80211_policy, | |
5617c6cd | 12302 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12303 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12304 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12305 | }, |
12306 | { | |
12307 | .cmd = NL80211_CMD_DEL_STATION, | |
12308 | .doit = nl80211_del_station, | |
12309 | .policy = nl80211_policy, | |
5617c6cd | 12310 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12311 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12312 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12313 | }, |
12314 | { | |
12315 | .cmd = NL80211_CMD_GET_MPATH, | |
12316 | .doit = nl80211_get_mpath, | |
12317 | .dumpit = nl80211_dump_mpath, | |
12318 | .policy = nl80211_policy, | |
5617c6cd | 12319 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12320 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12321 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 12322 | }, |
66be7d2b HR |
12323 | { |
12324 | .cmd = NL80211_CMD_GET_MPP, | |
12325 | .doit = nl80211_get_mpp, | |
12326 | .dumpit = nl80211_dump_mpp, | |
12327 | .policy = nl80211_policy, | |
5617c6cd | 12328 | .flags = GENL_UNS_ADMIN_PERM, |
66be7d2b HR |
12329 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12330 | NL80211_FLAG_NEED_RTNL, | |
12331 | }, | |
2ec600d6 LCC |
12332 | { |
12333 | .cmd = NL80211_CMD_SET_MPATH, | |
12334 | .doit = nl80211_set_mpath, | |
12335 | .policy = nl80211_policy, | |
5617c6cd | 12336 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12337 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12338 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12339 | }, |
12340 | { | |
12341 | .cmd = NL80211_CMD_NEW_MPATH, | |
12342 | .doit = nl80211_new_mpath, | |
12343 | .policy = nl80211_policy, | |
5617c6cd | 12344 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12345 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12346 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12347 | }, |
12348 | { | |
12349 | .cmd = NL80211_CMD_DEL_MPATH, | |
12350 | .doit = nl80211_del_mpath, | |
12351 | .policy = nl80211_policy, | |
5617c6cd | 12352 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12353 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12354 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
12355 | }, |
12356 | { | |
12357 | .cmd = NL80211_CMD_SET_BSS, | |
12358 | .doit = nl80211_set_bss, | |
12359 | .policy = nl80211_policy, | |
5617c6cd | 12360 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12361 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12362 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12363 | }, |
f130347c LR |
12364 | { |
12365 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
12366 | .doit = nl80211_get_reg_do, |
12367 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 12368 | .policy = nl80211_policy, |
5fe231e8 | 12369 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
12370 | /* can be retrieved by unprivileged users */ |
12371 | }, | |
b6863036 | 12372 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
b2e1b302 LR |
12373 | { |
12374 | .cmd = NL80211_CMD_SET_REG, | |
12375 | .doit = nl80211_set_reg, | |
12376 | .policy = nl80211_policy, | |
12377 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 12378 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12379 | }, |
b6863036 | 12380 | #endif |
b2e1b302 LR |
12381 | { |
12382 | .cmd = NL80211_CMD_REQ_SET_REG, | |
12383 | .doit = nl80211_req_set_reg, | |
12384 | .policy = nl80211_policy, | |
93da9cc1 | 12385 | .flags = GENL_ADMIN_PERM, |
12386 | }, | |
12387 | { | |
24bdd9f4 JC |
12388 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
12389 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 12390 | .policy = nl80211_policy, |
12391 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 12392 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12393 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 12394 | }, |
12395 | { | |
24bdd9f4 JC |
12396 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
12397 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 12398 | .policy = nl80211_policy, |
5617c6cd | 12399 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c | 12400 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12401 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 12402 | }, |
2a519311 JB |
12403 | { |
12404 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
12405 | .doit = nl80211_trigger_scan, | |
12406 | .policy = nl80211_policy, | |
5617c6cd | 12407 | .flags = GENL_UNS_ADMIN_PERM, |
fd014284 | 12408 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12409 | NL80211_FLAG_NEED_RTNL, |
2a519311 | 12410 | }, |
91d3ab46 VK |
12411 | { |
12412 | .cmd = NL80211_CMD_ABORT_SCAN, | |
12413 | .doit = nl80211_abort_scan, | |
12414 | .policy = nl80211_policy, | |
5617c6cd | 12415 | .flags = GENL_UNS_ADMIN_PERM, |
91d3ab46 VK |
12416 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12417 | NL80211_FLAG_NEED_RTNL, | |
12418 | }, | |
2a519311 JB |
12419 | { |
12420 | .cmd = NL80211_CMD_GET_SCAN, | |
12421 | .policy = nl80211_policy, | |
12422 | .dumpit = nl80211_dump_scan, | |
12423 | }, | |
807f8a8c LC |
12424 | { |
12425 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
12426 | .doit = nl80211_start_sched_scan, | |
12427 | .policy = nl80211_policy, | |
5617c6cd | 12428 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12429 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12430 | NL80211_FLAG_NEED_RTNL, | |
12431 | }, | |
12432 | { | |
12433 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
12434 | .doit = nl80211_stop_sched_scan, | |
12435 | .policy = nl80211_policy, | |
5617c6cd | 12436 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12437 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12438 | NL80211_FLAG_NEED_RTNL, | |
12439 | }, | |
636a5d36 JM |
12440 | { |
12441 | .cmd = NL80211_CMD_AUTHENTICATE, | |
12442 | .doit = nl80211_authenticate, | |
12443 | .policy = nl80211_policy, | |
5617c6cd | 12444 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12445 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12446 | NL80211_FLAG_NEED_RTNL | |
12447 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
12448 | }, |
12449 | { | |
12450 | .cmd = NL80211_CMD_ASSOCIATE, | |
12451 | .doit = nl80211_associate, | |
12452 | .policy = nl80211_policy, | |
5617c6cd | 12453 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12454 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12455 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12456 | }, |
12457 | { | |
12458 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
12459 | .doit = nl80211_deauthenticate, | |
12460 | .policy = nl80211_policy, | |
5617c6cd | 12461 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12462 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12463 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12464 | }, |
12465 | { | |
12466 | .cmd = NL80211_CMD_DISASSOCIATE, | |
12467 | .doit = nl80211_disassociate, | |
12468 | .policy = nl80211_policy, | |
5617c6cd | 12469 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12470 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12471 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 12472 | }, |
04a773ad JB |
12473 | { |
12474 | .cmd = NL80211_CMD_JOIN_IBSS, | |
12475 | .doit = nl80211_join_ibss, | |
12476 | .policy = nl80211_policy, | |
5617c6cd | 12477 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12478 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12479 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
12480 | }, |
12481 | { | |
12482 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
12483 | .doit = nl80211_leave_ibss, | |
12484 | .policy = nl80211_policy, | |
5617c6cd | 12485 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12486 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12487 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 12488 | }, |
aff89a9b JB |
12489 | #ifdef CONFIG_NL80211_TESTMODE |
12490 | { | |
12491 | .cmd = NL80211_CMD_TESTMODE, | |
12492 | .doit = nl80211_testmode_do, | |
71063f0e | 12493 | .dumpit = nl80211_testmode_dump, |
aff89a9b | 12494 | .policy = nl80211_policy, |
5617c6cd | 12495 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12496 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12497 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
12498 | }, |
12499 | #endif | |
b23aa676 SO |
12500 | { |
12501 | .cmd = NL80211_CMD_CONNECT, | |
12502 | .doit = nl80211_connect, | |
12503 | .policy = nl80211_policy, | |
5617c6cd | 12504 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12505 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12506 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12507 | }, |
088e8df8 | 12508 | { |
12509 | .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS, | |
12510 | .doit = nl80211_update_connect_params, | |
12511 | .policy = nl80211_policy, | |
12512 | .flags = GENL_ADMIN_PERM, | |
12513 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
12514 | NL80211_FLAG_NEED_RTNL, | |
12515 | }, | |
b23aa676 SO |
12516 | { |
12517 | .cmd = NL80211_CMD_DISCONNECT, | |
12518 | .doit = nl80211_disconnect, | |
12519 | .policy = nl80211_policy, | |
5617c6cd | 12520 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12521 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12522 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12523 | }, |
463d0183 JB |
12524 | { |
12525 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
12526 | .doit = nl80211_wiphy_netns, | |
12527 | .policy = nl80211_policy, | |
5617c6cd | 12528 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12529 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12530 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 12531 | }, |
61fa713c HS |
12532 | { |
12533 | .cmd = NL80211_CMD_GET_SURVEY, | |
12534 | .policy = nl80211_policy, | |
12535 | .dumpit = nl80211_dump_survey, | |
12536 | }, | |
67fbb16b SO |
12537 | { |
12538 | .cmd = NL80211_CMD_SET_PMKSA, | |
12539 | .doit = nl80211_setdel_pmksa, | |
12540 | .policy = nl80211_policy, | |
5617c6cd | 12541 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12542 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12543 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12544 | }, |
12545 | { | |
12546 | .cmd = NL80211_CMD_DEL_PMKSA, | |
12547 | .doit = nl80211_setdel_pmksa, | |
12548 | .policy = nl80211_policy, | |
5617c6cd | 12549 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12550 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12551 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12552 | }, |
12553 | { | |
12554 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
12555 | .doit = nl80211_flush_pmksa, | |
12556 | .policy = nl80211_policy, | |
5617c6cd | 12557 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12558 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12559 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 12560 | }, |
9588bbd5 JM |
12561 | { |
12562 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
12563 | .doit = nl80211_remain_on_channel, | |
12564 | .policy = nl80211_policy, | |
5617c6cd | 12565 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12566 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12567 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
12568 | }, |
12569 | { | |
12570 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
12571 | .doit = nl80211_cancel_remain_on_channel, | |
12572 | .policy = nl80211_policy, | |
5617c6cd | 12573 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12574 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12575 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 12576 | }, |
13ae75b1 JM |
12577 | { |
12578 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
12579 | .doit = nl80211_set_tx_bitrate_mask, | |
12580 | .policy = nl80211_policy, | |
5617c6cd | 12581 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12582 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12583 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 12584 | }, |
026331c4 | 12585 | { |
2e161f78 JB |
12586 | .cmd = NL80211_CMD_REGISTER_FRAME, |
12587 | .doit = nl80211_register_mgmt, | |
026331c4 | 12588 | .policy = nl80211_policy, |
5617c6cd | 12589 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12590 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 12591 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
12592 | }, |
12593 | { | |
2e161f78 JB |
12594 | .cmd = NL80211_CMD_FRAME, |
12595 | .doit = nl80211_tx_mgmt, | |
026331c4 | 12596 | .policy = nl80211_policy, |
5617c6cd | 12597 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12598 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
12599 | NL80211_FLAG_NEED_RTNL, |
12600 | }, | |
12601 | { | |
12602 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
12603 | .doit = nl80211_tx_mgmt_cancel_wait, | |
12604 | .policy = nl80211_policy, | |
5617c6cd | 12605 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12606 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12607 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 12608 | }, |
ffb9eb3d KV |
12609 | { |
12610 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
12611 | .doit = nl80211_set_power_save, | |
12612 | .policy = nl80211_policy, | |
5617c6cd | 12613 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12614 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12615 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
12616 | }, |
12617 | { | |
12618 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
12619 | .doit = nl80211_get_power_save, | |
12620 | .policy = nl80211_policy, | |
12621 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
12622 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12623 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 12624 | }, |
d6dc1a38 JO |
12625 | { |
12626 | .cmd = NL80211_CMD_SET_CQM, | |
12627 | .doit = nl80211_set_cqm, | |
12628 | .policy = nl80211_policy, | |
5617c6cd | 12629 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12630 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12631 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 12632 | }, |
f444de05 JB |
12633 | { |
12634 | .cmd = NL80211_CMD_SET_CHANNEL, | |
12635 | .doit = nl80211_set_channel, | |
12636 | .policy = nl80211_policy, | |
5617c6cd | 12637 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12638 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12639 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 12640 | }, |
e8347eba BJ |
12641 | { |
12642 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
12643 | .doit = nl80211_set_wds_peer, | |
12644 | .policy = nl80211_policy, | |
5617c6cd | 12645 | .flags = GENL_UNS_ADMIN_PERM, |
43b19952 JB |
12646 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12647 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 12648 | }, |
29cbe68c JB |
12649 | { |
12650 | .cmd = NL80211_CMD_JOIN_MESH, | |
12651 | .doit = nl80211_join_mesh, | |
12652 | .policy = nl80211_policy, | |
5617c6cd | 12653 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12654 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12655 | NL80211_FLAG_NEED_RTNL, | |
12656 | }, | |
12657 | { | |
12658 | .cmd = NL80211_CMD_LEAVE_MESH, | |
12659 | .doit = nl80211_leave_mesh, | |
12660 | .policy = nl80211_policy, | |
5617c6cd | 12661 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12662 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12663 | NL80211_FLAG_NEED_RTNL, | |
12664 | }, | |
6e0bd6c3 RL |
12665 | { |
12666 | .cmd = NL80211_CMD_JOIN_OCB, | |
12667 | .doit = nl80211_join_ocb, | |
12668 | .policy = nl80211_policy, | |
5617c6cd | 12669 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12670 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12671 | NL80211_FLAG_NEED_RTNL, | |
12672 | }, | |
12673 | { | |
12674 | .cmd = NL80211_CMD_LEAVE_OCB, | |
12675 | .doit = nl80211_leave_ocb, | |
12676 | .policy = nl80211_policy, | |
5617c6cd | 12677 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12678 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12679 | NL80211_FLAG_NEED_RTNL, | |
12680 | }, | |
dfb89c56 | 12681 | #ifdef CONFIG_PM |
ff1b6e69 JB |
12682 | { |
12683 | .cmd = NL80211_CMD_GET_WOWLAN, | |
12684 | .doit = nl80211_get_wowlan, | |
12685 | .policy = nl80211_policy, | |
12686 | /* can be retrieved by unprivileged users */ | |
12687 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
12688 | NL80211_FLAG_NEED_RTNL, | |
12689 | }, | |
12690 | { | |
12691 | .cmd = NL80211_CMD_SET_WOWLAN, | |
12692 | .doit = nl80211_set_wowlan, | |
12693 | .policy = nl80211_policy, | |
5617c6cd | 12694 | .flags = GENL_UNS_ADMIN_PERM, |
ff1b6e69 JB |
12695 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12696 | NL80211_FLAG_NEED_RTNL, | |
12697 | }, | |
dfb89c56 | 12698 | #endif |
e5497d76 JB |
12699 | { |
12700 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
12701 | .doit = nl80211_set_rekey_data, | |
12702 | .policy = nl80211_policy, | |
5617c6cd | 12703 | .flags = GENL_UNS_ADMIN_PERM, |
e5497d76 | 12704 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12705 | NL80211_FLAG_NEED_RTNL | |
12706 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 12707 | }, |
109086ce AN |
12708 | { |
12709 | .cmd = NL80211_CMD_TDLS_MGMT, | |
12710 | .doit = nl80211_tdls_mgmt, | |
12711 | .policy = nl80211_policy, | |
5617c6cd | 12712 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12713 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12714 | NL80211_FLAG_NEED_RTNL, | |
12715 | }, | |
12716 | { | |
12717 | .cmd = NL80211_CMD_TDLS_OPER, | |
12718 | .doit = nl80211_tdls_oper, | |
12719 | .policy = nl80211_policy, | |
5617c6cd | 12720 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12721 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12722 | NL80211_FLAG_NEED_RTNL, | |
12723 | }, | |
28946da7 JB |
12724 | { |
12725 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
12726 | .doit = nl80211_register_unexpected_frame, | |
12727 | .policy = nl80211_policy, | |
5617c6cd | 12728 | .flags = GENL_UNS_ADMIN_PERM, |
28946da7 JB |
12729 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12730 | NL80211_FLAG_NEED_RTNL, | |
12731 | }, | |
7f6cf311 JB |
12732 | { |
12733 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
12734 | .doit = nl80211_probe_client, | |
12735 | .policy = nl80211_policy, | |
5617c6cd | 12736 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12737 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
12738 | NL80211_FLAG_NEED_RTNL, |
12739 | }, | |
5e760230 JB |
12740 | { |
12741 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
12742 | .doit = nl80211_register_beacons, | |
12743 | .policy = nl80211_policy, | |
5617c6cd | 12744 | .flags = GENL_UNS_ADMIN_PERM, |
5e760230 JB |
12745 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12746 | NL80211_FLAG_NEED_RTNL, | |
12747 | }, | |
1d9d9213 SW |
12748 | { |
12749 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
12750 | .doit = nl80211_set_noack_map, | |
12751 | .policy = nl80211_policy, | |
5617c6cd | 12752 | .flags = GENL_UNS_ADMIN_PERM, |
1d9d9213 SW |
12753 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12754 | NL80211_FLAG_NEED_RTNL, | |
12755 | }, | |
98104fde JB |
12756 | { |
12757 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
12758 | .doit = nl80211_start_p2p_device, | |
12759 | .policy = nl80211_policy, | |
5617c6cd | 12760 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12761 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
12762 | NL80211_FLAG_NEED_RTNL, | |
12763 | }, | |
12764 | { | |
12765 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
12766 | .doit = nl80211_stop_p2p_device, | |
12767 | .policy = nl80211_policy, | |
5617c6cd | 12768 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12769 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12770 | NL80211_FLAG_NEED_RTNL, | |
cb3b7d87 AB |
12771 | }, |
12772 | { | |
12773 | .cmd = NL80211_CMD_START_NAN, | |
12774 | .doit = nl80211_start_nan, | |
12775 | .policy = nl80211_policy, | |
12776 | .flags = GENL_ADMIN_PERM, | |
12777 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
12778 | NL80211_FLAG_NEED_RTNL, | |
12779 | }, | |
12780 | { | |
12781 | .cmd = NL80211_CMD_STOP_NAN, | |
12782 | .doit = nl80211_stop_nan, | |
12783 | .policy = nl80211_policy, | |
12784 | .flags = GENL_ADMIN_PERM, | |
12785 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12786 | NL80211_FLAG_NEED_RTNL, | |
a442b761 AB |
12787 | }, |
12788 | { | |
12789 | .cmd = NL80211_CMD_ADD_NAN_FUNCTION, | |
12790 | .doit = nl80211_nan_add_func, | |
12791 | .policy = nl80211_policy, | |
12792 | .flags = GENL_ADMIN_PERM, | |
12793 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12794 | NL80211_FLAG_NEED_RTNL, | |
12795 | }, | |
12796 | { | |
12797 | .cmd = NL80211_CMD_DEL_NAN_FUNCTION, | |
12798 | .doit = nl80211_nan_del_func, | |
12799 | .policy = nl80211_policy, | |
12800 | .flags = GENL_ADMIN_PERM, | |
12801 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12802 | NL80211_FLAG_NEED_RTNL, | |
a5a9dcf2 AB |
12803 | }, |
12804 | { | |
12805 | .cmd = NL80211_CMD_CHANGE_NAN_CONFIG, | |
12806 | .doit = nl80211_nan_change_config, | |
12807 | .policy = nl80211_policy, | |
12808 | .flags = GENL_ADMIN_PERM, | |
12809 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12810 | NL80211_FLAG_NEED_RTNL, | |
98104fde | 12811 | }, |
f4e583c8 AQ |
12812 | { |
12813 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
12814 | .doit = nl80211_set_mcast_rate, | |
77765eaf | 12815 | .policy = nl80211_policy, |
5617c6cd | 12816 | .flags = GENL_UNS_ADMIN_PERM, |
77765eaf VT |
12817 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12818 | NL80211_FLAG_NEED_RTNL, | |
12819 | }, | |
12820 | { | |
12821 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
12822 | .doit = nl80211_set_mac_acl, | |
f4e583c8 | 12823 | .policy = nl80211_policy, |
5617c6cd | 12824 | .flags = GENL_UNS_ADMIN_PERM, |
f4e583c8 AQ |
12825 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12826 | NL80211_FLAG_NEED_RTNL, | |
12827 | }, | |
04f39047 SW |
12828 | { |
12829 | .cmd = NL80211_CMD_RADAR_DETECT, | |
12830 | .doit = nl80211_start_radar_detection, | |
12831 | .policy = nl80211_policy, | |
5617c6cd | 12832 | .flags = GENL_UNS_ADMIN_PERM, |
04f39047 SW |
12833 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12834 | NL80211_FLAG_NEED_RTNL, | |
12835 | }, | |
3713b4e3 JB |
12836 | { |
12837 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
12838 | .doit = nl80211_get_protocol_features, | |
12839 | .policy = nl80211_policy, | |
12840 | }, | |
355199e0 JM |
12841 | { |
12842 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
12843 | .doit = nl80211_update_ft_ies, | |
12844 | .policy = nl80211_policy, | |
5617c6cd | 12845 | .flags = GENL_UNS_ADMIN_PERM, |
355199e0 JM |
12846 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12847 | NL80211_FLAG_NEED_RTNL, | |
12848 | }, | |
5de17984 AS |
12849 | { |
12850 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
12851 | .doit = nl80211_crit_protocol_start, | |
12852 | .policy = nl80211_policy, | |
5617c6cd | 12853 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
12854 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12855 | NL80211_FLAG_NEED_RTNL, | |
12856 | }, | |
12857 | { | |
12858 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
12859 | .doit = nl80211_crit_protocol_stop, | |
12860 | .policy = nl80211_policy, | |
5617c6cd | 12861 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
12862 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12863 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
12864 | }, |
12865 | { | |
12866 | .cmd = NL80211_CMD_GET_COALESCE, | |
12867 | .doit = nl80211_get_coalesce, | |
12868 | .policy = nl80211_policy, | |
12869 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
12870 | NL80211_FLAG_NEED_RTNL, | |
12871 | }, | |
12872 | { | |
12873 | .cmd = NL80211_CMD_SET_COALESCE, | |
12874 | .doit = nl80211_set_coalesce, | |
12875 | .policy = nl80211_policy, | |
5617c6cd | 12876 | .flags = GENL_UNS_ADMIN_PERM, |
be29b99a AK |
12877 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12878 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
12879 | }, |
12880 | { | |
12881 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
12882 | .doit = nl80211_channel_switch, | |
12883 | .policy = nl80211_policy, | |
5617c6cd | 12884 | .flags = GENL_UNS_ADMIN_PERM, |
16ef1fe2 SW |
12885 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12886 | NL80211_FLAG_NEED_RTNL, | |
12887 | }, | |
ad7e718c JB |
12888 | { |
12889 | .cmd = NL80211_CMD_VENDOR, | |
12890 | .doit = nl80211_vendor_cmd, | |
7bdbe400 | 12891 | .dumpit = nl80211_vendor_cmd_dump, |
ad7e718c | 12892 | .policy = nl80211_policy, |
5617c6cd | 12893 | .flags = GENL_UNS_ADMIN_PERM, |
ad7e718c JB |
12894 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12895 | NL80211_FLAG_NEED_RTNL, | |
12896 | }, | |
fa9ffc74 KP |
12897 | { |
12898 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
12899 | .doit = nl80211_set_qos_map, | |
12900 | .policy = nl80211_policy, | |
5617c6cd | 12901 | .flags = GENL_UNS_ADMIN_PERM, |
fa9ffc74 KP |
12902 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12903 | NL80211_FLAG_NEED_RTNL, | |
12904 | }, | |
960d01ac JB |
12905 | { |
12906 | .cmd = NL80211_CMD_ADD_TX_TS, | |
12907 | .doit = nl80211_add_tx_ts, | |
12908 | .policy = nl80211_policy, | |
5617c6cd | 12909 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
12910 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12911 | NL80211_FLAG_NEED_RTNL, | |
12912 | }, | |
12913 | { | |
12914 | .cmd = NL80211_CMD_DEL_TX_TS, | |
12915 | .doit = nl80211_del_tx_ts, | |
12916 | .policy = nl80211_policy, | |
5617c6cd | 12917 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
12918 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12919 | NL80211_FLAG_NEED_RTNL, | |
12920 | }, | |
1057d35e AN |
12921 | { |
12922 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
12923 | .doit = nl80211_tdls_channel_switch, | |
12924 | .policy = nl80211_policy, | |
5617c6cd | 12925 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
12926 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12927 | NL80211_FLAG_NEED_RTNL, | |
12928 | }, | |
12929 | { | |
12930 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
12931 | .doit = nl80211_tdls_cancel_channel_switch, | |
12932 | .policy = nl80211_policy, | |
5617c6cd | 12933 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
12934 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12935 | NL80211_FLAG_NEED_RTNL, | |
12936 | }, | |
ce0ce13a MB |
12937 | { |
12938 | .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST, | |
12939 | .doit = nl80211_set_multicast_to_unicast, | |
12940 | .policy = nl80211_policy, | |
12941 | .flags = GENL_UNS_ADMIN_PERM, | |
12942 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
12943 | NL80211_FLAG_NEED_RTNL, | |
12944 | }, | |
55682965 | 12945 | }; |
9588bbd5 | 12946 | |
56989f6d | 12947 | static struct genl_family nl80211_fam __ro_after_init = { |
489111e5 JB |
12948 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ |
12949 | .hdrsize = 0, /* no private header */ | |
12950 | .version = 1, /* no particular meaning now */ | |
12951 | .maxattr = NL80211_ATTR_MAX, | |
12952 | .netnsok = true, | |
12953 | .pre_doit = nl80211_pre_doit, | |
12954 | .post_doit = nl80211_post_doit, | |
12955 | .module = THIS_MODULE, | |
12956 | .ops = nl80211_ops, | |
12957 | .n_ops = ARRAY_SIZE(nl80211_ops), | |
12958 | .mcgrps = nl80211_mcgrps, | |
12959 | .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps), | |
12960 | }; | |
12961 | ||
55682965 JB |
12962 | /* notification functions */ |
12963 | ||
3bb20556 JB |
12964 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
12965 | enum nl80211_commands cmd) | |
55682965 JB |
12966 | { |
12967 | struct sk_buff *msg; | |
86e8cf98 | 12968 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 12969 | |
3bb20556 JB |
12970 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
12971 | cmd != NL80211_CMD_DEL_WIPHY); | |
12972 | ||
fd2120ca | 12973 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
12974 | if (!msg) |
12975 | return; | |
12976 | ||
3bb20556 | 12977 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
12978 | nlmsg_free(msg); |
12979 | return; | |
12980 | } | |
12981 | ||
68eb5503 | 12982 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12983 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
12984 | } |
12985 | ||
896ff063 DK |
12986 | void nl80211_notify_iface(struct cfg80211_registered_device *rdev, |
12987 | struct wireless_dev *wdev, | |
12988 | enum nl80211_commands cmd) | |
12989 | { | |
12990 | struct sk_buff *msg; | |
12991 | ||
12992 | WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && | |
12993 | cmd != NL80211_CMD_DEL_INTERFACE); | |
12994 | ||
12995 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12996 | if (!msg) | |
12997 | return; | |
12998 | ||
12999 | if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, | |
13000 | cmd == NL80211_CMD_DEL_INTERFACE) < 0) { | |
13001 | nlmsg_free(msg); | |
13002 | return; | |
13003 | } | |
13004 | ||
13005 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
13006 | NL80211_MCGRP_CONFIG, GFP_KERNEL); | |
13007 | } | |
13008 | ||
362a415d JB |
13009 | static int nl80211_add_scan_req(struct sk_buff *msg, |
13010 | struct cfg80211_registered_device *rdev) | |
13011 | { | |
13012 | struct cfg80211_scan_request *req = rdev->scan_req; | |
13013 | struct nlattr *nest; | |
13014 | int i; | |
13015 | ||
13016 | if (WARN_ON(!req)) | |
13017 | return 0; | |
13018 | ||
13019 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
13020 | if (!nest) | |
13021 | goto nla_put_failure; | |
9360ffd1 DM |
13022 | for (i = 0; i < req->n_ssids; i++) { |
13023 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
13024 | goto nla_put_failure; | |
13025 | } | |
362a415d JB |
13026 | nla_nest_end(msg, nest); |
13027 | ||
13028 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
13029 | if (!nest) | |
13030 | goto nla_put_failure; | |
9360ffd1 DM |
13031 | for (i = 0; i < req->n_channels; i++) { |
13032 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
13033 | goto nla_put_failure; | |
13034 | } | |
362a415d JB |
13035 | nla_nest_end(msg, nest); |
13036 | ||
9360ffd1 DM |
13037 | if (req->ie && |
13038 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
13039 | goto nla_put_failure; | |
362a415d | 13040 | |
ae917c9f JB |
13041 | if (req->flags && |
13042 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
13043 | goto nla_put_failure; | |
ed473771 | 13044 | |
1d76250b AS |
13045 | if (req->info.scan_start_tsf && |
13046 | (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF, | |
13047 | req->info.scan_start_tsf, NL80211_BSS_PAD) || | |
13048 | nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN, | |
13049 | req->info.tsf_bssid))) | |
13050 | goto nla_put_failure; | |
13051 | ||
362a415d JB |
13052 | return 0; |
13053 | nla_put_failure: | |
13054 | return -ENOBUFS; | |
13055 | } | |
13056 | ||
505a2e88 | 13057 | static int nl80211_prep_scan_msg(struct sk_buff *msg, |
a538e2d5 | 13058 | struct cfg80211_registered_device *rdev, |
fd014284 | 13059 | struct wireless_dev *wdev, |
15e47304 | 13060 | u32 portid, u32 seq, int flags, |
a538e2d5 | 13061 | u32 cmd) |
2a519311 JB |
13062 | { |
13063 | void *hdr; | |
13064 | ||
15e47304 | 13065 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
13066 | if (!hdr) |
13067 | return -1; | |
13068 | ||
9360ffd1 | 13069 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
13070 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13071 | wdev->netdev->ifindex)) || | |
2dad624e ND |
13072 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13073 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13074 | goto nla_put_failure; |
2a519311 | 13075 | |
362a415d JB |
13076 | /* ignore errors and send incomplete event anyway */ |
13077 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 13078 | |
053c095a JB |
13079 | genlmsg_end(msg, hdr); |
13080 | return 0; | |
2a519311 JB |
13081 | |
13082 | nla_put_failure: | |
13083 | genlmsg_cancel(msg, hdr); | |
13084 | return -EMSGSIZE; | |
13085 | } | |
13086 | ||
807f8a8c | 13087 | static int |
505a2e88 | 13088 | nl80211_prep_sched_scan_msg(struct sk_buff *msg, |
807f8a8c LC |
13089 | struct cfg80211_registered_device *rdev, |
13090 | struct net_device *netdev, | |
15e47304 | 13091 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
13092 | { |
13093 | void *hdr; | |
13094 | ||
15e47304 | 13095 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
13096 | if (!hdr) |
13097 | return -1; | |
13098 | ||
9360ffd1 DM |
13099 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13100 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
13101 | goto nla_put_failure; | |
807f8a8c | 13102 | |
053c095a JB |
13103 | genlmsg_end(msg, hdr); |
13104 | return 0; | |
807f8a8c LC |
13105 | |
13106 | nla_put_failure: | |
13107 | genlmsg_cancel(msg, hdr); | |
13108 | return -EMSGSIZE; | |
13109 | } | |
13110 | ||
a538e2d5 | 13111 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 13112 | struct wireless_dev *wdev) |
a538e2d5 JB |
13113 | { |
13114 | struct sk_buff *msg; | |
13115 | ||
58050fce | 13116 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
13117 | if (!msg) |
13118 | return; | |
13119 | ||
505a2e88 | 13120 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
13121 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
13122 | nlmsg_free(msg); | |
13123 | return; | |
13124 | } | |
13125 | ||
68eb5503 | 13126 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13127 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
13128 | } |
13129 | ||
f9d15d16 JB |
13130 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
13131 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
13132 | { |
13133 | struct sk_buff *msg; | |
13134 | ||
fd2120ca | 13135 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 13136 | if (!msg) |
f9d15d16 | 13137 | return NULL; |
2a519311 | 13138 | |
505a2e88 | 13139 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
13140 | aborted ? NL80211_CMD_SCAN_ABORTED : |
13141 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 13142 | nlmsg_free(msg); |
f9d15d16 | 13143 | return NULL; |
2a519311 JB |
13144 | } |
13145 | ||
f9d15d16 | 13146 | return msg; |
2a519311 JB |
13147 | } |
13148 | ||
505a2e88 AVS |
13149 | /* send message created by nl80211_build_scan_msg() */ |
13150 | void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev, | |
13151 | struct sk_buff *msg) | |
807f8a8c | 13152 | { |
807f8a8c LC |
13153 | if (!msg) |
13154 | return; | |
13155 | ||
68eb5503 | 13156 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13157 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
13158 | } |
13159 | ||
13160 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
13161 | struct net_device *netdev, u32 cmd) | |
13162 | { | |
13163 | struct sk_buff *msg; | |
13164 | ||
58050fce | 13165 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
13166 | if (!msg) |
13167 | return; | |
13168 | ||
505a2e88 | 13169 | if (nl80211_prep_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { |
807f8a8c LC |
13170 | nlmsg_free(msg); |
13171 | return; | |
13172 | } | |
13173 | ||
68eb5503 | 13174 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13175 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
13176 | } |
13177 | ||
b0d7aa59 JD |
13178 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
13179 | struct regulatory_request *request) | |
73d54c9e | 13180 | { |
73d54c9e | 13181 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
13182 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
13183 | goto nla_put_failure; | |
13184 | ||
13185 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
13186 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13187 | NL80211_REGDOM_TYPE_WORLD)) | |
13188 | goto nla_put_failure; | |
13189 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
13190 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13191 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
13192 | goto nla_put_failure; | |
13193 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
13194 | request->intersect) { | |
13195 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13196 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
13197 | goto nla_put_failure; | |
13198 | } else { | |
13199 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13200 | NL80211_REGDOM_TYPE_COUNTRY) || | |
13201 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
13202 | request->alpha2)) | |
13203 | goto nla_put_failure; | |
13204 | } | |
13205 | ||
ad30ca2c AN |
13206 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
13207 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
13208 | ||
13209 | if (wiphy && | |
13210 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
13211 | goto nla_put_failure; | |
1bdd716c AN |
13212 | |
13213 | if (wiphy && | |
13214 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
13215 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
13216 | goto nla_put_failure; | |
ad30ca2c | 13217 | } |
73d54c9e | 13218 | |
b0d7aa59 JD |
13219 | return true; |
13220 | ||
13221 | nla_put_failure: | |
13222 | return false; | |
13223 | } | |
13224 | ||
13225 | /* | |
13226 | * This can happen on global regulatory changes or device specific settings | |
13227 | * based on custom regulatory domains. | |
13228 | */ | |
13229 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
13230 | struct regulatory_request *request) | |
13231 | { | |
13232 | struct sk_buff *msg; | |
13233 | void *hdr; | |
13234 | ||
13235 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13236 | if (!msg) | |
13237 | return; | |
13238 | ||
13239 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
13240 | if (!hdr) { | |
13241 | nlmsg_free(msg); | |
13242 | return; | |
13243 | } | |
13244 | ||
13245 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
13246 | goto nla_put_failure; | |
13247 | ||
3b7b72ee | 13248 | genlmsg_end(msg, hdr); |
73d54c9e | 13249 | |
bc43b28c | 13250 | rcu_read_lock(); |
68eb5503 | 13251 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13252 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 13253 | rcu_read_unlock(); |
73d54c9e LR |
13254 | |
13255 | return; | |
13256 | ||
13257 | nla_put_failure: | |
13258 | genlmsg_cancel(msg, hdr); | |
13259 | nlmsg_free(msg); | |
13260 | } | |
13261 | ||
6039f6d2 JM |
13262 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
13263 | struct net_device *netdev, | |
13264 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
13265 | enum nl80211_commands cmd, gfp_t gfp, |
13266 | int uapsd_queues) | |
6039f6d2 JM |
13267 | { |
13268 | struct sk_buff *msg; | |
13269 | void *hdr; | |
13270 | ||
4ef8c1c9 | 13271 | msg = nlmsg_new(100 + len, gfp); |
6039f6d2 JM |
13272 | if (!msg) |
13273 | return; | |
13274 | ||
13275 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13276 | if (!hdr) { | |
13277 | nlmsg_free(msg); | |
13278 | return; | |
13279 | } | |
13280 | ||
9360ffd1 DM |
13281 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13282 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13283 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
13284 | goto nla_put_failure; | |
6039f6d2 | 13285 | |
b0b6aa2c EP |
13286 | if (uapsd_queues >= 0) { |
13287 | struct nlattr *nla_wmm = | |
13288 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
13289 | if (!nla_wmm) | |
13290 | goto nla_put_failure; | |
13291 | ||
13292 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
13293 | uapsd_queues)) | |
13294 | goto nla_put_failure; | |
13295 | ||
13296 | nla_nest_end(msg, nla_wmm); | |
13297 | } | |
13298 | ||
3b7b72ee | 13299 | genlmsg_end(msg, hdr); |
6039f6d2 | 13300 | |
68eb5503 | 13301 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13302 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
13303 | return; |
13304 | ||
13305 | nla_put_failure: | |
13306 | genlmsg_cancel(msg, hdr); | |
13307 | nlmsg_free(msg); | |
13308 | } | |
13309 | ||
13310 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13311 | struct net_device *netdev, const u8 *buf, |
13312 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13313 | { |
13314 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13315 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13316 | } |
13317 | ||
13318 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
13319 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 13320 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 13321 | { |
e6d6e342 | 13322 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 13323 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
13324 | } |
13325 | ||
53b46b84 | 13326 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
13327 | struct net_device *netdev, const u8 *buf, |
13328 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13329 | { |
13330 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13331 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13332 | } |
13333 | ||
53b46b84 JM |
13334 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
13335 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 13336 | size_t len, gfp_t gfp) |
6039f6d2 JM |
13337 | { |
13338 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13339 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
13340 | } |
13341 | ||
6ff57cf8 JB |
13342 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
13343 | size_t len) | |
cf4e594e | 13344 | { |
947add36 JB |
13345 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13346 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13347 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
13348 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
13349 | u32 cmd; | |
947add36 | 13350 | |
6ff57cf8 JB |
13351 | if (WARN_ON(len < 2)) |
13352 | return; | |
cf4e594e | 13353 | |
6ff57cf8 JB |
13354 | if (ieee80211_is_deauth(mgmt->frame_control)) |
13355 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
13356 | else | |
13357 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 13358 | |
6ff57cf8 | 13359 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 13360 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 13361 | } |
6ff57cf8 | 13362 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 13363 | |
1b06bb40 LR |
13364 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
13365 | struct net_device *netdev, int cmd, | |
e6d6e342 | 13366 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
13367 | { |
13368 | struct sk_buff *msg; | |
13369 | void *hdr; | |
13370 | ||
e6d6e342 | 13371 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
13372 | if (!msg) |
13373 | return; | |
13374 | ||
13375 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13376 | if (!hdr) { | |
13377 | nlmsg_free(msg); | |
13378 | return; | |
13379 | } | |
13380 | ||
9360ffd1 DM |
13381 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13382 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13383 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
13384 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13385 | goto nla_put_failure; | |
1965c853 | 13386 | |
3b7b72ee | 13387 | genlmsg_end(msg, hdr); |
1965c853 | 13388 | |
68eb5503 | 13389 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13390 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
13391 | return; |
13392 | ||
13393 | nla_put_failure: | |
13394 | genlmsg_cancel(msg, hdr); | |
13395 | nlmsg_free(msg); | |
13396 | } | |
13397 | ||
13398 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13399 | struct net_device *netdev, const u8 *addr, |
13400 | gfp_t gfp) | |
1965c853 JM |
13401 | { |
13402 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 13403 | addr, gfp); |
1965c853 JM |
13404 | } |
13405 | ||
13406 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13407 | struct net_device *netdev, const u8 *addr, |
13408 | gfp_t gfp) | |
1965c853 | 13409 | { |
e6d6e342 JB |
13410 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
13411 | addr, gfp); | |
1965c853 JM |
13412 | } |
13413 | ||
b23aa676 SO |
13414 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
13415 | struct net_device *netdev, const u8 *bssid, | |
13416 | const u8 *req_ie, size_t req_ie_len, | |
13417 | const u8 *resp_ie, size_t resp_ie_len, | |
3093ebbe PK |
13418 | int status, |
13419 | enum nl80211_timeout_reason timeout_reason, | |
13420 | gfp_t gfp) | |
b23aa676 SO |
13421 | { |
13422 | struct sk_buff *msg; | |
13423 | void *hdr; | |
13424 | ||
4ef8c1c9 | 13425 | msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp); |
b23aa676 SO |
13426 | if (!msg) |
13427 | return; | |
13428 | ||
13429 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
13430 | if (!hdr) { | |
13431 | nlmsg_free(msg); | |
13432 | return; | |
13433 | } | |
13434 | ||
9360ffd1 DM |
13435 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13436 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13437 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
bf1ecd21 JM |
13438 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, |
13439 | status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : | |
13440 | status) || | |
3093ebbe PK |
13441 | (status < 0 && |
13442 | (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
13443 | nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON, timeout_reason))) || | |
9360ffd1 DM |
13444 | (req_ie && |
13445 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
13446 | (resp_ie && | |
13447 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
13448 | goto nla_put_failure; | |
b23aa676 | 13449 | |
3b7b72ee | 13450 | genlmsg_end(msg, hdr); |
b23aa676 | 13451 | |
68eb5503 | 13452 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13453 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13454 | return; |
13455 | ||
13456 | nla_put_failure: | |
13457 | genlmsg_cancel(msg, hdr); | |
13458 | nlmsg_free(msg); | |
b23aa676 SO |
13459 | } |
13460 | ||
13461 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
13462 | struct net_device *netdev, const u8 *bssid, | |
13463 | const u8 *req_ie, size_t req_ie_len, | |
13464 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
13465 | { | |
13466 | struct sk_buff *msg; | |
13467 | void *hdr; | |
13468 | ||
4ef8c1c9 | 13469 | msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp); |
b23aa676 SO |
13470 | if (!msg) |
13471 | return; | |
13472 | ||
13473 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
13474 | if (!hdr) { | |
13475 | nlmsg_free(msg); | |
13476 | return; | |
13477 | } | |
13478 | ||
9360ffd1 DM |
13479 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13480 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13481 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
13482 | (req_ie && | |
13483 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
13484 | (resp_ie && | |
13485 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
13486 | goto nla_put_failure; | |
b23aa676 | 13487 | |
3b7b72ee | 13488 | genlmsg_end(msg, hdr); |
b23aa676 | 13489 | |
68eb5503 | 13490 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13491 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13492 | return; |
13493 | ||
13494 | nla_put_failure: | |
13495 | genlmsg_cancel(msg, hdr); | |
13496 | nlmsg_free(msg); | |
b23aa676 SO |
13497 | } |
13498 | ||
13499 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
13500 | struct net_device *netdev, u16 reason, | |
667503dd | 13501 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
13502 | { |
13503 | struct sk_buff *msg; | |
13504 | void *hdr; | |
13505 | ||
4ef8c1c9 | 13506 | msg = nlmsg_new(100 + ie_len, GFP_KERNEL); |
b23aa676 SO |
13507 | if (!msg) |
13508 | return; | |
13509 | ||
13510 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
13511 | if (!hdr) { | |
13512 | nlmsg_free(msg); | |
13513 | return; | |
13514 | } | |
13515 | ||
9360ffd1 DM |
13516 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13517 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13518 | (from_ap && reason && | |
13519 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
13520 | (from_ap && | |
13521 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
13522 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
13523 | goto nla_put_failure; | |
b23aa676 | 13524 | |
3b7b72ee | 13525 | genlmsg_end(msg, hdr); |
b23aa676 | 13526 | |
68eb5503 | 13527 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13528 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
13529 | return; |
13530 | ||
13531 | nla_put_failure: | |
13532 | genlmsg_cancel(msg, hdr); | |
13533 | nlmsg_free(msg); | |
b23aa676 SO |
13534 | } |
13535 | ||
04a773ad JB |
13536 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
13537 | struct net_device *netdev, const u8 *bssid, | |
13538 | gfp_t gfp) | |
13539 | { | |
13540 | struct sk_buff *msg; | |
13541 | void *hdr; | |
13542 | ||
fd2120ca | 13543 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
13544 | if (!msg) |
13545 | return; | |
13546 | ||
13547 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
13548 | if (!hdr) { | |
13549 | nlmsg_free(msg); | |
13550 | return; | |
13551 | } | |
13552 | ||
9360ffd1 DM |
13553 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13554 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13555 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13556 | goto nla_put_failure; | |
04a773ad | 13557 | |
3b7b72ee | 13558 | genlmsg_end(msg, hdr); |
04a773ad | 13559 | |
68eb5503 | 13560 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13561 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
13562 | return; |
13563 | ||
13564 | nla_put_failure: | |
13565 | genlmsg_cancel(msg, hdr); | |
13566 | nlmsg_free(msg); | |
13567 | } | |
13568 | ||
947add36 JB |
13569 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
13570 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 13571 | { |
947add36 | 13572 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 13573 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
13574 | struct sk_buff *msg; |
13575 | void *hdr; | |
13576 | ||
947add36 JB |
13577 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
13578 | return; | |
13579 | ||
13580 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
13581 | ||
4ef8c1c9 | 13582 | msg = nlmsg_new(100 + ie_len, gfp); |
c93b5e71 JC |
13583 | if (!msg) |
13584 | return; | |
13585 | ||
13586 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
13587 | if (!hdr) { | |
13588 | nlmsg_free(msg); | |
13589 | return; | |
13590 | } | |
13591 | ||
9360ffd1 | 13592 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
13593 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
13594 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
13595 | (ie_len && ie && |
13596 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
13597 | goto nla_put_failure; | |
c93b5e71 | 13598 | |
3b7b72ee | 13599 | genlmsg_end(msg, hdr); |
c93b5e71 | 13600 | |
68eb5503 | 13601 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13602 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
13603 | return; |
13604 | ||
13605 | nla_put_failure: | |
13606 | genlmsg_cancel(msg, hdr); | |
13607 | nlmsg_free(msg); | |
13608 | } | |
947add36 | 13609 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 13610 | |
a3b8b056 JM |
13611 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
13612 | struct net_device *netdev, const u8 *addr, | |
13613 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 13614 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
13615 | { |
13616 | struct sk_buff *msg; | |
13617 | void *hdr; | |
13618 | ||
e6d6e342 | 13619 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
13620 | if (!msg) |
13621 | return; | |
13622 | ||
13623 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
13624 | if (!hdr) { | |
13625 | nlmsg_free(msg); | |
13626 | return; | |
13627 | } | |
13628 | ||
9360ffd1 DM |
13629 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13630 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13631 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
13632 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
13633 | (key_id != -1 && | |
13634 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
13635 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
13636 | goto nla_put_failure; | |
a3b8b056 | 13637 | |
3b7b72ee | 13638 | genlmsg_end(msg, hdr); |
a3b8b056 | 13639 | |
68eb5503 | 13640 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13641 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
13642 | return; |
13643 | ||
13644 | nla_put_failure: | |
13645 | genlmsg_cancel(msg, hdr); | |
13646 | nlmsg_free(msg); | |
13647 | } | |
13648 | ||
6bad8766 LR |
13649 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
13650 | struct ieee80211_channel *channel_before, | |
13651 | struct ieee80211_channel *channel_after) | |
13652 | { | |
13653 | struct sk_buff *msg; | |
13654 | void *hdr; | |
13655 | struct nlattr *nl_freq; | |
13656 | ||
fd2120ca | 13657 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
13658 | if (!msg) |
13659 | return; | |
13660 | ||
13661 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
13662 | if (!hdr) { | |
13663 | nlmsg_free(msg); | |
13664 | return; | |
13665 | } | |
13666 | ||
13667 | /* | |
13668 | * Since we are applying the beacon hint to a wiphy we know its | |
13669 | * wiphy_idx is valid | |
13670 | */ | |
9360ffd1 DM |
13671 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
13672 | goto nla_put_failure; | |
6bad8766 LR |
13673 | |
13674 | /* Before */ | |
13675 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
13676 | if (!nl_freq) | |
13677 | goto nla_put_failure; | |
cdc89b97 | 13678 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
13679 | goto nla_put_failure; |
13680 | nla_nest_end(msg, nl_freq); | |
13681 | ||
13682 | /* After */ | |
13683 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
13684 | if (!nl_freq) | |
13685 | goto nla_put_failure; | |
cdc89b97 | 13686 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
13687 | goto nla_put_failure; |
13688 | nla_nest_end(msg, nl_freq); | |
13689 | ||
3b7b72ee | 13690 | genlmsg_end(msg, hdr); |
6bad8766 | 13691 | |
463d0183 | 13692 | rcu_read_lock(); |
68eb5503 | 13693 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13694 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 13695 | rcu_read_unlock(); |
6bad8766 LR |
13696 | |
13697 | return; | |
13698 | ||
13699 | nla_put_failure: | |
13700 | genlmsg_cancel(msg, hdr); | |
13701 | nlmsg_free(msg); | |
13702 | } | |
13703 | ||
9588bbd5 JM |
13704 | static void nl80211_send_remain_on_chan_event( |
13705 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 13706 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 13707 | struct ieee80211_channel *chan, |
9588bbd5 JM |
13708 | unsigned int duration, gfp_t gfp) |
13709 | { | |
13710 | struct sk_buff *msg; | |
13711 | void *hdr; | |
13712 | ||
13713 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13714 | if (!msg) | |
13715 | return; | |
13716 | ||
13717 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13718 | if (!hdr) { | |
13719 | nlmsg_free(msg); | |
13720 | return; | |
13721 | } | |
13722 | ||
9360ffd1 | 13723 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13724 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13725 | wdev->netdev->ifindex)) || | |
2dad624e ND |
13726 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13727 | NL80211_ATTR_PAD) || | |
9360ffd1 | 13728 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
13729 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
13730 | NL80211_CHAN_NO_HT) || | |
2dad624e ND |
13731 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
13732 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13733 | goto nla_put_failure; |
9588bbd5 | 13734 | |
9360ffd1 DM |
13735 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
13736 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
13737 | goto nla_put_failure; | |
9588bbd5 | 13738 | |
3b7b72ee | 13739 | genlmsg_end(msg, hdr); |
9588bbd5 | 13740 | |
68eb5503 | 13741 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13742 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
13743 | return; |
13744 | ||
13745 | nla_put_failure: | |
13746 | genlmsg_cancel(msg, hdr); | |
13747 | nlmsg_free(msg); | |
13748 | } | |
13749 | ||
947add36 JB |
13750 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
13751 | struct ieee80211_channel *chan, | |
13752 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 13753 | { |
947add36 | 13754 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13755 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13756 | |
13757 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 13758 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 13759 | rdev, wdev, cookie, chan, |
42d97a59 | 13760 | duration, gfp); |
9588bbd5 | 13761 | } |
947add36 | 13762 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 13763 | |
947add36 JB |
13764 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
13765 | struct ieee80211_channel *chan, | |
13766 | gfp_t gfp) | |
9588bbd5 | 13767 | { |
947add36 | 13768 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13769 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13770 | |
13771 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 13772 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 13773 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 13774 | } |
947add36 | 13775 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 13776 | |
947add36 JB |
13777 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
13778 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 13779 | { |
947add36 | 13780 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13781 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
13782 | struct sk_buff *msg; |
13783 | ||
947add36 JB |
13784 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
13785 | ||
58050fce | 13786 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
13787 | if (!msg) |
13788 | return; | |
13789 | ||
cf5ead82 | 13790 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 13791 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
13792 | nlmsg_free(msg); |
13793 | return; | |
13794 | } | |
13795 | ||
68eb5503 | 13796 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13797 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 13798 | } |
947add36 | 13799 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 13800 | |
cf5ead82 JB |
13801 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
13802 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 13803 | { |
947add36 | 13804 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13805 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 13806 | struct sk_buff *msg; |
cf5ead82 JB |
13807 | struct station_info empty_sinfo = {}; |
13808 | ||
13809 | if (!sinfo) | |
13810 | sinfo = &empty_sinfo; | |
ec15e68b | 13811 | |
947add36 JB |
13812 | trace_cfg80211_del_sta(dev, mac_addr); |
13813 | ||
58050fce | 13814 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
13815 | if (!msg) |
13816 | return; | |
13817 | ||
cf5ead82 | 13818 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 13819 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b JM |
13820 | nlmsg_free(msg); |
13821 | return; | |
13822 | } | |
13823 | ||
68eb5503 | 13824 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13825 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 13826 | } |
cf5ead82 | 13827 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 13828 | |
947add36 JB |
13829 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
13830 | enum nl80211_connect_failed_reason reason, | |
13831 | gfp_t gfp) | |
ed44a951 | 13832 | { |
947add36 | 13833 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13834 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
13835 | struct sk_buff *msg; |
13836 | void *hdr; | |
13837 | ||
13838 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
13839 | if (!msg) | |
13840 | return; | |
13841 | ||
13842 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
13843 | if (!hdr) { | |
13844 | nlmsg_free(msg); | |
13845 | return; | |
13846 | } | |
13847 | ||
13848 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13849 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
13850 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
13851 | goto nla_put_failure; | |
13852 | ||
13853 | genlmsg_end(msg, hdr); | |
13854 | ||
68eb5503 | 13855 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13856 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
13857 | return; |
13858 | ||
13859 | nla_put_failure: | |
13860 | genlmsg_cancel(msg, hdr); | |
13861 | nlmsg_free(msg); | |
13862 | } | |
947add36 | 13863 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 13864 | |
b92ab5d8 JB |
13865 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
13866 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
13867 | { |
13868 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 13869 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
13870 | struct sk_buff *msg; |
13871 | void *hdr; | |
15e47304 | 13872 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 13873 | |
15e47304 | 13874 | if (!nlportid) |
28946da7 JB |
13875 | return false; |
13876 | ||
13877 | msg = nlmsg_new(100, gfp); | |
13878 | if (!msg) | |
13879 | return true; | |
13880 | ||
b92ab5d8 | 13881 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
13882 | if (!hdr) { |
13883 | nlmsg_free(msg); | |
13884 | return true; | |
13885 | } | |
13886 | ||
9360ffd1 DM |
13887 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13888 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13889 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13890 | goto nla_put_failure; | |
28946da7 | 13891 | |
9c90a9f6 | 13892 | genlmsg_end(msg, hdr); |
15e47304 | 13893 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
13894 | return true; |
13895 | ||
13896 | nla_put_failure: | |
13897 | genlmsg_cancel(msg, hdr); | |
13898 | nlmsg_free(msg); | |
13899 | return true; | |
13900 | } | |
13901 | ||
947add36 JB |
13902 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
13903 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 13904 | { |
947add36 JB |
13905 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13906 | bool ret; | |
13907 | ||
13908 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
13909 | ||
13910 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
13911 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
13912 | trace_cfg80211_return_bool(false); | |
13913 | return false; | |
13914 | } | |
13915 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
13916 | addr, gfp); | |
13917 | trace_cfg80211_return_bool(ret); | |
13918 | return ret; | |
b92ab5d8 | 13919 | } |
947add36 | 13920 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 13921 | |
947add36 JB |
13922 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
13923 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 13924 | { |
947add36 JB |
13925 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13926 | bool ret; | |
13927 | ||
13928 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
13929 | ||
13930 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
13931 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
13932 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
13933 | trace_cfg80211_return_bool(false); | |
13934 | return false; | |
13935 | } | |
13936 | ret = __nl80211_unexpected_frame(dev, | |
13937 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
13938 | addr, gfp); | |
13939 | trace_cfg80211_return_bool(ret); | |
13940 | return ret; | |
b92ab5d8 | 13941 | } |
947add36 | 13942 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 13943 | |
2e161f78 | 13944 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 13945 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 13946 | int freq, int sig_dbm, |
19504cf5 | 13947 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 13948 | { |
71bbc994 | 13949 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
13950 | struct sk_buff *msg; |
13951 | void *hdr; | |
026331c4 | 13952 | |
4ef8c1c9 | 13953 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
13954 | if (!msg) |
13955 | return -ENOMEM; | |
13956 | ||
2e161f78 | 13957 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
13958 | if (!hdr) { |
13959 | nlmsg_free(msg); | |
13960 | return -ENOMEM; | |
13961 | } | |
13962 | ||
9360ffd1 | 13963 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13964 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13965 | netdev->ifindex)) || | |
2dad624e ND |
13966 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13967 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
13968 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
13969 | (sig_dbm && | |
13970 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
13971 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
13972 | (flags && | |
13973 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 13974 | goto nla_put_failure; |
026331c4 | 13975 | |
3b7b72ee | 13976 | genlmsg_end(msg, hdr); |
026331c4 | 13977 | |
15e47304 | 13978 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
13979 | |
13980 | nla_put_failure: | |
13981 | genlmsg_cancel(msg, hdr); | |
13982 | nlmsg_free(msg); | |
13983 | return -ENOBUFS; | |
13984 | } | |
13985 | ||
947add36 JB |
13986 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
13987 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 13988 | { |
947add36 | 13989 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13990 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 13991 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
13992 | struct sk_buff *msg; |
13993 | void *hdr; | |
13994 | ||
947add36 JB |
13995 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
13996 | ||
4ef8c1c9 | 13997 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
13998 | if (!msg) |
13999 | return; | |
14000 | ||
2e161f78 | 14001 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
14002 | if (!hdr) { |
14003 | nlmsg_free(msg); | |
14004 | return; | |
14005 | } | |
14006 | ||
9360ffd1 | 14007 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
14008 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
14009 | netdev->ifindex)) || | |
2dad624e ND |
14010 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14011 | NL80211_ATTR_PAD) || | |
9360ffd1 | 14012 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
2dad624e ND |
14013 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14014 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14015 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14016 | goto nla_put_failure; | |
026331c4 | 14017 | |
3b7b72ee | 14018 | genlmsg_end(msg, hdr); |
026331c4 | 14019 | |
68eb5503 | 14020 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14021 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
14022 | return; |
14023 | ||
14024 | nla_put_failure: | |
14025 | genlmsg_cancel(msg, hdr); | |
14026 | nlmsg_free(msg); | |
14027 | } | |
947add36 | 14028 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 14029 | |
5b97f49d JB |
14030 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
14031 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 14032 | { |
947add36 | 14033 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
14034 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
14035 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14036 | void **cb; | |
947add36 | 14037 | |
d6dc1a38 | 14038 | if (!msg) |
5b97f49d | 14039 | return NULL; |
d6dc1a38 | 14040 | |
5b97f49d JB |
14041 | cb = (void **)msg->cb; |
14042 | ||
14043 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
14044 | if (!cb[0]) { | |
d6dc1a38 | 14045 | nlmsg_free(msg); |
5b97f49d | 14046 | return NULL; |
d6dc1a38 JO |
14047 | } |
14048 | ||
9360ffd1 | 14049 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 14050 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 14051 | goto nla_put_failure; |
d6dc1a38 | 14052 | |
5b97f49d | 14053 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
14054 | goto nla_put_failure; |
14055 | ||
5b97f49d JB |
14056 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
14057 | if (!cb[1]) | |
9360ffd1 | 14058 | goto nla_put_failure; |
d6dc1a38 | 14059 | |
5b97f49d | 14060 | cb[2] = rdev; |
d6dc1a38 | 14061 | |
5b97f49d JB |
14062 | return msg; |
14063 | nla_put_failure: | |
14064 | nlmsg_free(msg); | |
14065 | return NULL; | |
14066 | } | |
14067 | ||
14068 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
14069 | { | |
14070 | void **cb = (void **)msg->cb; | |
14071 | struct cfg80211_registered_device *rdev = cb[2]; | |
14072 | ||
14073 | nla_nest_end(msg, cb[1]); | |
14074 | genlmsg_end(msg, cb[0]); | |
14075 | ||
14076 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 14077 | |
68eb5503 | 14078 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14079 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
14080 | } |
14081 | ||
14082 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
14083 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
bee427b8 | 14084 | s32 rssi_level, gfp_t gfp) |
5b97f49d JB |
14085 | { |
14086 | struct sk_buff *msg; | |
4a4b8169 AZ |
14087 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14088 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
5b97f49d | 14089 | |
bee427b8 | 14090 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level); |
5b97f49d | 14091 | |
98f03342 JB |
14092 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
14093 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
14094 | return; | |
14095 | ||
4a4b8169 AZ |
14096 | if (wdev->cqm_config) { |
14097 | wdev->cqm_config->last_rssi_event_value = rssi_level; | |
14098 | ||
14099 | cfg80211_cqm_rssi_update(rdev, dev); | |
14100 | ||
14101 | if (rssi_level == 0) | |
14102 | rssi_level = wdev->cqm_config->last_rssi_event_value; | |
14103 | } | |
14104 | ||
5b97f49d JB |
14105 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
14106 | if (!msg) | |
14107 | return; | |
14108 | ||
14109 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
14110 | rssi_event)) | |
14111 | goto nla_put_failure; | |
14112 | ||
bee427b8 AZ |
14113 | if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL, |
14114 | rssi_level)) | |
14115 | goto nla_put_failure; | |
14116 | ||
5b97f49d JB |
14117 | cfg80211_send_cqm(msg, gfp); |
14118 | ||
d6dc1a38 JO |
14119 | return; |
14120 | ||
14121 | nla_put_failure: | |
d6dc1a38 JO |
14122 | nlmsg_free(msg); |
14123 | } | |
947add36 | 14124 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 14125 | |
5b97f49d JB |
14126 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
14127 | const u8 *peer, u32 num_packets, | |
14128 | u32 rate, u32 intvl, gfp_t gfp) | |
14129 | { | |
14130 | struct sk_buff *msg; | |
14131 | ||
14132 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
14133 | if (!msg) | |
14134 | return; | |
14135 | ||
14136 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
14137 | goto nla_put_failure; | |
14138 | ||
14139 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
14140 | goto nla_put_failure; | |
14141 | ||
14142 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
14143 | goto nla_put_failure; | |
14144 | ||
14145 | cfg80211_send_cqm(msg, gfp); | |
14146 | return; | |
14147 | ||
14148 | nla_put_failure: | |
14149 | nlmsg_free(msg); | |
14150 | } | |
14151 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
14152 | ||
14153 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
14154 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
14155 | { | |
14156 | struct sk_buff *msg; | |
14157 | ||
14158 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
14159 | ||
14160 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
14161 | if (!msg) | |
14162 | return; | |
14163 | ||
14164 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
14165 | goto nla_put_failure; | |
14166 | ||
14167 | cfg80211_send_cqm(msg, gfp); | |
14168 | return; | |
14169 | ||
14170 | nla_put_failure: | |
14171 | nlmsg_free(msg); | |
14172 | } | |
14173 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
14174 | ||
98f03342 JB |
14175 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
14176 | { | |
14177 | struct sk_buff *msg; | |
14178 | ||
14179 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
14180 | if (!msg) | |
14181 | return; | |
14182 | ||
14183 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
14184 | goto nla_put_failure; | |
14185 | ||
14186 | cfg80211_send_cqm(msg, gfp); | |
14187 | return; | |
14188 | ||
14189 | nla_put_failure: | |
14190 | nlmsg_free(msg); | |
14191 | } | |
14192 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
14193 | ||
947add36 JB |
14194 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
14195 | struct net_device *netdev, const u8 *bssid, | |
14196 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
14197 | { |
14198 | struct sk_buff *msg; | |
14199 | struct nlattr *rekey_attr; | |
14200 | void *hdr; | |
14201 | ||
58050fce | 14202 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
14203 | if (!msg) |
14204 | return; | |
14205 | ||
14206 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
14207 | if (!hdr) { | |
14208 | nlmsg_free(msg); | |
14209 | return; | |
14210 | } | |
14211 | ||
9360ffd1 DM |
14212 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14213 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14214 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
14215 | goto nla_put_failure; | |
e5497d76 JB |
14216 | |
14217 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
14218 | if (!rekey_attr) | |
14219 | goto nla_put_failure; | |
14220 | ||
9360ffd1 DM |
14221 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
14222 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
14223 | goto nla_put_failure; | |
e5497d76 JB |
14224 | |
14225 | nla_nest_end(msg, rekey_attr); | |
14226 | ||
3b7b72ee | 14227 | genlmsg_end(msg, hdr); |
e5497d76 | 14228 | |
68eb5503 | 14229 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14230 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
14231 | return; |
14232 | ||
14233 | nla_put_failure: | |
14234 | genlmsg_cancel(msg, hdr); | |
14235 | nlmsg_free(msg); | |
14236 | } | |
14237 | ||
947add36 JB |
14238 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
14239 | const u8 *replay_ctr, gfp_t gfp) | |
14240 | { | |
14241 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14242 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14243 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14244 | |
14245 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
14246 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
14247 | } | |
14248 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
14249 | ||
14250 | static void | |
14251 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
14252 | struct net_device *netdev, int index, | |
14253 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
14254 | { |
14255 | struct sk_buff *msg; | |
14256 | struct nlattr *attr; | |
14257 | void *hdr; | |
14258 | ||
58050fce | 14259 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
14260 | if (!msg) |
14261 | return; | |
14262 | ||
14263 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
14264 | if (!hdr) { | |
14265 | nlmsg_free(msg); | |
14266 | return; | |
14267 | } | |
14268 | ||
9360ffd1 DM |
14269 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14270 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
14271 | goto nla_put_failure; | |
c9df56b4 JM |
14272 | |
14273 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
14274 | if (!attr) | |
14275 | goto nla_put_failure; | |
14276 | ||
9360ffd1 DM |
14277 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
14278 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
14279 | (preauth && | |
14280 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
14281 | goto nla_put_failure; | |
c9df56b4 JM |
14282 | |
14283 | nla_nest_end(msg, attr); | |
14284 | ||
3b7b72ee | 14285 | genlmsg_end(msg, hdr); |
c9df56b4 | 14286 | |
68eb5503 | 14287 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14288 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
14289 | return; |
14290 | ||
14291 | nla_put_failure: | |
14292 | genlmsg_cancel(msg, hdr); | |
14293 | nlmsg_free(msg); | |
14294 | } | |
14295 | ||
947add36 JB |
14296 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
14297 | const u8 *bssid, bool preauth, gfp_t gfp) | |
14298 | { | |
14299 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14300 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14301 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14302 | |
14303 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
14304 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
14305 | } | |
14306 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
14307 | ||
14308 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
14309 | struct net_device *netdev, | |
14310 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
14311 | gfp_t gfp, |
14312 | enum nl80211_commands notif, | |
14313 | u8 count) | |
5314526b TP |
14314 | { |
14315 | struct sk_buff *msg; | |
14316 | void *hdr; | |
14317 | ||
58050fce | 14318 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
14319 | if (!msg) |
14320 | return; | |
14321 | ||
f8d7552e | 14322 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
14323 | if (!hdr) { |
14324 | nlmsg_free(msg); | |
14325 | return; | |
14326 | } | |
14327 | ||
683b6d3b JB |
14328 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
14329 | goto nla_put_failure; | |
14330 | ||
14331 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 14332 | goto nla_put_failure; |
5314526b | 14333 | |
f8d7552e LC |
14334 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
14335 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
14336 | goto nla_put_failure; | |
14337 | ||
5314526b TP |
14338 | genlmsg_end(msg, hdr); |
14339 | ||
68eb5503 | 14340 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14341 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
14342 | return; |
14343 | ||
14344 | nla_put_failure: | |
14345 | genlmsg_cancel(msg, hdr); | |
14346 | nlmsg_free(msg); | |
14347 | } | |
14348 | ||
947add36 JB |
14349 | void cfg80211_ch_switch_notify(struct net_device *dev, |
14350 | struct cfg80211_chan_def *chandef) | |
84f10708 | 14351 | { |
947add36 JB |
14352 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14353 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14354 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 14355 | |
e487eaeb | 14356 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 14357 | |
e487eaeb | 14358 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 14359 | |
9e0e2961 | 14360 | wdev->chandef = *chandef; |
96f55f12 | 14361 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
14362 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
14363 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
14364 | } |
14365 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
14366 | ||
f8d7552e LC |
14367 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
14368 | struct cfg80211_chan_def *chandef, | |
14369 | u8 count) | |
14370 | { | |
14371 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14372 | struct wiphy *wiphy = wdev->wiphy; | |
14373 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
14374 | ||
14375 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
14376 | ||
14377 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
14378 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
14379 | } | |
14380 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
14381 | ||
04f39047 SW |
14382 | void |
14383 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 14384 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
14385 | enum nl80211_radar_event event, |
14386 | struct net_device *netdev, gfp_t gfp) | |
14387 | { | |
14388 | struct sk_buff *msg; | |
14389 | void *hdr; | |
14390 | ||
14391 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14392 | if (!msg) | |
14393 | return; | |
14394 | ||
14395 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
14396 | if (!hdr) { | |
14397 | nlmsg_free(msg); | |
14398 | return; | |
14399 | } | |
14400 | ||
14401 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
14402 | goto nla_put_failure; | |
14403 | ||
14404 | /* NOP and radar events don't need a netdev parameter */ | |
14405 | if (netdev) { | |
14406 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
14407 | ||
14408 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
2dad624e ND |
14409 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14410 | NL80211_ATTR_PAD)) | |
04f39047 SW |
14411 | goto nla_put_failure; |
14412 | } | |
14413 | ||
14414 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
14415 | goto nla_put_failure; | |
14416 | ||
14417 | if (nl80211_send_chandef(msg, chandef)) | |
14418 | goto nla_put_failure; | |
14419 | ||
9c90a9f6 | 14420 | genlmsg_end(msg, hdr); |
04f39047 | 14421 | |
68eb5503 | 14422 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14423 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
14424 | return; |
14425 | ||
14426 | nla_put_failure: | |
14427 | genlmsg_cancel(msg, hdr); | |
14428 | nlmsg_free(msg); | |
14429 | } | |
14430 | ||
7f6cf311 JB |
14431 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
14432 | u64 cookie, bool acked, gfp_t gfp) | |
14433 | { | |
14434 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14435 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
14436 | struct sk_buff *msg; |
14437 | void *hdr; | |
7f6cf311 | 14438 | |
4ee3e063 BL |
14439 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
14440 | ||
58050fce | 14441 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 14442 | |
7f6cf311 JB |
14443 | if (!msg) |
14444 | return; | |
14445 | ||
14446 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
14447 | if (!hdr) { | |
14448 | nlmsg_free(msg); | |
14449 | return; | |
14450 | } | |
14451 | ||
9360ffd1 DM |
14452 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14453 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14454 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
2dad624e ND |
14455 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14456 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14457 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14458 | goto nla_put_failure; | |
7f6cf311 | 14459 | |
9c90a9f6 | 14460 | genlmsg_end(msg, hdr); |
7f6cf311 | 14461 | |
68eb5503 | 14462 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14463 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
14464 | return; |
14465 | ||
14466 | nla_put_failure: | |
14467 | genlmsg_cancel(msg, hdr); | |
14468 | nlmsg_free(msg); | |
14469 | } | |
14470 | EXPORT_SYMBOL(cfg80211_probe_status); | |
14471 | ||
5e760230 JB |
14472 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
14473 | const u8 *frame, size_t len, | |
37c73b5f | 14474 | int freq, int sig_dbm) |
5e760230 | 14475 | { |
f26cbf40 | 14476 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
14477 | struct sk_buff *msg; |
14478 | void *hdr; | |
37c73b5f | 14479 | struct cfg80211_beacon_registration *reg; |
5e760230 | 14480 | |
4ee3e063 BL |
14481 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
14482 | ||
37c73b5f BG |
14483 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14484 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
14485 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
14486 | if (!msg) { | |
14487 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
14488 | return; | |
14489 | } | |
5e760230 | 14490 | |
37c73b5f BG |
14491 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
14492 | if (!hdr) | |
14493 | goto nla_put_failure; | |
5e760230 | 14494 | |
37c73b5f BG |
14495 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14496 | (freq && | |
14497 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
14498 | (sig_dbm && | |
14499 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
14500 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
14501 | goto nla_put_failure; | |
5e760230 | 14502 | |
37c73b5f | 14503 | genlmsg_end(msg, hdr); |
5e760230 | 14504 | |
37c73b5f BG |
14505 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
14506 | } | |
14507 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
14508 | return; |
14509 | ||
14510 | nla_put_failure: | |
37c73b5f BG |
14511 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
14512 | if (hdr) | |
14513 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
14514 | nlmsg_free(msg); |
14515 | } | |
14516 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
14517 | ||
cd8f7cb4 | 14518 | #ifdef CONFIG_PM |
8cd4d456 LC |
14519 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
14520 | struct cfg80211_wowlan_wakeup *wakeup) | |
14521 | { | |
14522 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
14523 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
14524 | int i, j; | |
14525 | ||
14526 | nl_results = nla_nest_start( | |
14527 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
14528 | if (!nl_results) | |
14529 | return -EMSGSIZE; | |
14530 | ||
14531 | for (i = 0; i < nd->n_matches; i++) { | |
14532 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
14533 | ||
14534 | nl_match = nla_nest_start(msg, i); | |
14535 | if (!nl_match) | |
14536 | break; | |
14537 | ||
14538 | /* The SSID attribute is optional in nl80211, but for | |
14539 | * simplicity reasons it's always present in the | |
14540 | * cfg80211 structure. If a driver can't pass the | |
14541 | * SSID, that needs to be changed. A zero length SSID | |
14542 | * is still a valid SSID (wildcard), so it cannot be | |
14543 | * used for this purpose. | |
14544 | */ | |
14545 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
14546 | match->ssid.ssid)) { | |
14547 | nla_nest_cancel(msg, nl_match); | |
14548 | goto out; | |
14549 | } | |
14550 | ||
14551 | if (match->n_channels) { | |
14552 | nl_freqs = nla_nest_start( | |
14553 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
14554 | if (!nl_freqs) { | |
14555 | nla_nest_cancel(msg, nl_match); | |
14556 | goto out; | |
14557 | } | |
14558 | ||
14559 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 14560 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
14561 | nla_nest_cancel(msg, nl_freqs); |
14562 | nla_nest_cancel(msg, nl_match); | |
14563 | goto out; | |
14564 | } | |
14565 | } | |
14566 | ||
14567 | nla_nest_end(msg, nl_freqs); | |
14568 | } | |
14569 | ||
14570 | nla_nest_end(msg, nl_match); | |
14571 | } | |
14572 | ||
14573 | out: | |
14574 | nla_nest_end(msg, nl_results); | |
14575 | return 0; | |
14576 | } | |
14577 | ||
cd8f7cb4 JB |
14578 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
14579 | struct cfg80211_wowlan_wakeup *wakeup, | |
14580 | gfp_t gfp) | |
14581 | { | |
f26cbf40 | 14582 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
14583 | struct sk_buff *msg; |
14584 | void *hdr; | |
9c90a9f6 | 14585 | int size = 200; |
cd8f7cb4 JB |
14586 | |
14587 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
14588 | ||
14589 | if (wakeup) | |
14590 | size += wakeup->packet_present_len; | |
14591 | ||
14592 | msg = nlmsg_new(size, gfp); | |
14593 | if (!msg) | |
14594 | return; | |
14595 | ||
14596 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
14597 | if (!hdr) | |
14598 | goto free_msg; | |
14599 | ||
14600 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14601 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14602 | NL80211_ATTR_PAD)) | |
cd8f7cb4 JB |
14603 | goto free_msg; |
14604 | ||
14605 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
14606 | wdev->netdev->ifindex)) | |
14607 | goto free_msg; | |
14608 | ||
14609 | if (wakeup) { | |
14610 | struct nlattr *reasons; | |
14611 | ||
14612 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
14613 | if (!reasons) |
14614 | goto free_msg; | |
cd8f7cb4 JB |
14615 | |
14616 | if (wakeup->disconnect && | |
14617 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
14618 | goto free_msg; | |
14619 | if (wakeup->magic_pkt && | |
14620 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
14621 | goto free_msg; | |
14622 | if (wakeup->gtk_rekey_failure && | |
14623 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
14624 | goto free_msg; | |
14625 | if (wakeup->eap_identity_req && | |
14626 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
14627 | goto free_msg; | |
14628 | if (wakeup->four_way_handshake && | |
14629 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
14630 | goto free_msg; | |
14631 | if (wakeup->rfkill_release && | |
14632 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
14633 | goto free_msg; | |
14634 | ||
14635 | if (wakeup->pattern_idx >= 0 && | |
14636 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
14637 | wakeup->pattern_idx)) | |
14638 | goto free_msg; | |
14639 | ||
ae917c9f JB |
14640 | if (wakeup->tcp_match && |
14641 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
14642 | goto free_msg; | |
2a0e047e | 14643 | |
ae917c9f JB |
14644 | if (wakeup->tcp_connlost && |
14645 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
14646 | goto free_msg; | |
2a0e047e | 14647 | |
ae917c9f JB |
14648 | if (wakeup->tcp_nomoretokens && |
14649 | nla_put_flag(msg, | |
14650 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
14651 | goto free_msg; | |
2a0e047e | 14652 | |
cd8f7cb4 JB |
14653 | if (wakeup->packet) { |
14654 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
14655 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
14656 | ||
14657 | if (!wakeup->packet_80211) { | |
14658 | pkt_attr = | |
14659 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
14660 | len_attr = | |
14661 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
14662 | } | |
14663 | ||
14664 | if (wakeup->packet_len && | |
14665 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
14666 | goto free_msg; | |
14667 | ||
14668 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
14669 | wakeup->packet)) | |
14670 | goto free_msg; | |
14671 | } | |
14672 | ||
8cd4d456 LC |
14673 | if (wakeup->net_detect && |
14674 | cfg80211_net_detect_results(msg, wakeup)) | |
14675 | goto free_msg; | |
14676 | ||
cd8f7cb4 JB |
14677 | nla_nest_end(msg, reasons); |
14678 | } | |
14679 | ||
9c90a9f6 | 14680 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 14681 | |
68eb5503 | 14682 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14683 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
14684 | return; |
14685 | ||
14686 | free_msg: | |
14687 | nlmsg_free(msg); | |
14688 | } | |
14689 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
14690 | #endif | |
14691 | ||
3475b094 JM |
14692 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
14693 | enum nl80211_tdls_operation oper, | |
14694 | u16 reason_code, gfp_t gfp) | |
14695 | { | |
14696 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14697 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
14698 | struct sk_buff *msg; |
14699 | void *hdr; | |
3475b094 JM |
14700 | |
14701 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
14702 | reason_code); | |
14703 | ||
14704 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14705 | if (!msg) | |
14706 | return; | |
14707 | ||
14708 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
14709 | if (!hdr) { | |
14710 | nlmsg_free(msg); | |
14711 | return; | |
14712 | } | |
14713 | ||
14714 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14715 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14716 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
14717 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
14718 | (reason_code > 0 && | |
14719 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
14720 | goto nla_put_failure; | |
14721 | ||
9c90a9f6 | 14722 | genlmsg_end(msg, hdr); |
3475b094 | 14723 | |
68eb5503 | 14724 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14725 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
14726 | return; |
14727 | ||
14728 | nla_put_failure: | |
14729 | genlmsg_cancel(msg, hdr); | |
14730 | nlmsg_free(msg); | |
14731 | } | |
14732 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
14733 | ||
026331c4 JM |
14734 | static int nl80211_netlink_notify(struct notifier_block * nb, |
14735 | unsigned long state, | |
14736 | void *_notify) | |
14737 | { | |
14738 | struct netlink_notify *notify = _notify; | |
14739 | struct cfg80211_registered_device *rdev; | |
14740 | struct wireless_dev *wdev; | |
37c73b5f | 14741 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 | 14742 | |
8f815cdd | 14743 | if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC) |
026331c4 JM |
14744 | return NOTIFY_DONE; |
14745 | ||
14746 | rcu_read_lock(); | |
14747 | ||
5e760230 | 14748 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a | 14749 | bool schedule_destroy_work = false; |
93a1e86c JR |
14750 | struct cfg80211_sched_scan_request *sched_scan_req = |
14751 | rcu_dereference(rdev->sched_scan_req); | |
14752 | ||
14753 | if (sched_scan_req && notify->portid && | |
753aacfd JB |
14754 | sched_scan_req->owner_nlportid == notify->portid) { |
14755 | sched_scan_req->owner_nlportid = 0; | |
14756 | ||
14757 | if (rdev->ops->sched_scan_stop && | |
14758 | rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
14759 | schedule_work(&rdev->sched_scan_stop_wk); | |
14760 | } | |
78f22b6a | 14761 | |
53873f13 | 14762 | list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) { |
15e47304 | 14763 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 14764 | |
78f22b6a JB |
14765 | if (wdev->owner_nlportid == notify->portid) |
14766 | schedule_destroy_work = true; | |
bd2522b1 AZ |
14767 | else if (wdev->conn_owner_nlportid == notify->portid) |
14768 | schedule_work(&wdev->disconnect_wk); | |
78f22b6a JB |
14769 | } |
14770 | ||
37c73b5f BG |
14771 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14772 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
14773 | list) { | |
14774 | if (reg->nlportid == notify->portid) { | |
14775 | list_del(®->list); | |
14776 | kfree(reg); | |
14777 | break; | |
14778 | } | |
14779 | } | |
14780 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
14781 | |
14782 | if (schedule_destroy_work) { | |
14783 | struct cfg80211_iface_destroy *destroy; | |
14784 | ||
14785 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
14786 | if (destroy) { | |
14787 | destroy->nlportid = notify->portid; | |
14788 | spin_lock(&rdev->destroy_list_lock); | |
14789 | list_add(&destroy->list, &rdev->destroy_list); | |
14790 | spin_unlock(&rdev->destroy_list_lock); | |
14791 | schedule_work(&rdev->destroy_work); | |
14792 | } | |
14793 | } | |
5e760230 | 14794 | } |
026331c4 JM |
14795 | |
14796 | rcu_read_unlock(); | |
14797 | ||
05050753 I |
14798 | /* |
14799 | * It is possible that the user space process that is controlling the | |
14800 | * indoor setting disappeared, so notify the regulatory core. | |
14801 | */ | |
14802 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 14803 | return NOTIFY_OK; |
026331c4 JM |
14804 | } |
14805 | ||
14806 | static struct notifier_block nl80211_netlink_notifier = { | |
14807 | .notifier_call = nl80211_netlink_notify, | |
14808 | }; | |
14809 | ||
355199e0 JM |
14810 | void cfg80211_ft_event(struct net_device *netdev, |
14811 | struct cfg80211_ft_event_params *ft_event) | |
14812 | { | |
14813 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 14814 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
14815 | struct sk_buff *msg; |
14816 | void *hdr; | |
355199e0 JM |
14817 | |
14818 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
14819 | ||
14820 | if (!ft_event->target_ap) | |
14821 | return; | |
14822 | ||
4ef8c1c9 | 14823 | msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL); |
355199e0 JM |
14824 | if (!msg) |
14825 | return; | |
14826 | ||
14827 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
14828 | if (!hdr) |
14829 | goto out; | |
355199e0 | 14830 | |
ae917c9f JB |
14831 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14832 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14833 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
14834 | goto out; | |
355199e0 | 14835 | |
ae917c9f JB |
14836 | if (ft_event->ies && |
14837 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
14838 | goto out; | |
14839 | if (ft_event->ric_ies && | |
14840 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
14841 | ft_event->ric_ies)) | |
14842 | goto out; | |
355199e0 | 14843 | |
9c90a9f6 | 14844 | genlmsg_end(msg, hdr); |
355199e0 | 14845 | |
68eb5503 | 14846 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14847 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
14848 | return; |
14849 | out: | |
14850 | nlmsg_free(msg); | |
355199e0 JM |
14851 | } |
14852 | EXPORT_SYMBOL(cfg80211_ft_event); | |
14853 | ||
5de17984 AS |
14854 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
14855 | { | |
14856 | struct cfg80211_registered_device *rdev; | |
14857 | struct sk_buff *msg; | |
14858 | void *hdr; | |
14859 | u32 nlportid; | |
14860 | ||
f26cbf40 | 14861 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
14862 | if (!rdev->crit_proto_nlportid) |
14863 | return; | |
14864 | ||
14865 | nlportid = rdev->crit_proto_nlportid; | |
14866 | rdev->crit_proto_nlportid = 0; | |
14867 | ||
14868 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14869 | if (!msg) | |
14870 | return; | |
14871 | ||
14872 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
14873 | if (!hdr) | |
14874 | goto nla_put_failure; | |
14875 | ||
14876 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14877 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14878 | NL80211_ATTR_PAD)) | |
5de17984 AS |
14879 | goto nla_put_failure; |
14880 | ||
14881 | genlmsg_end(msg, hdr); | |
14882 | ||
14883 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
14884 | return; | |
14885 | ||
14886 | nla_put_failure: | |
14887 | if (hdr) | |
14888 | genlmsg_cancel(msg, hdr); | |
14889 | nlmsg_free(msg); | |
5de17984 AS |
14890 | } |
14891 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
14892 | ||
348baf0e JB |
14893 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
14894 | { | |
14895 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14896 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
14897 | struct sk_buff *msg; |
14898 | void *hdr; | |
14899 | ||
14900 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14901 | if (!msg) | |
14902 | return; | |
14903 | ||
14904 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
14905 | if (!hdr) | |
14906 | goto out; | |
14907 | ||
14908 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14909 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
2dad624e ND |
14910 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14911 | NL80211_ATTR_PAD)) | |
348baf0e JB |
14912 | goto out; |
14913 | ||
14914 | genlmsg_end(msg, hdr); | |
14915 | ||
14916 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
14917 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
14918 | return; | |
14919 | out: | |
14920 | nlmsg_free(msg); | |
14921 | } | |
14922 | ||
55682965 JB |
14923 | /* initialisation/exit functions */ |
14924 | ||
56989f6d | 14925 | int __init nl80211_init(void) |
55682965 | 14926 | { |
0d63cbb5 | 14927 | int err; |
55682965 | 14928 | |
489111e5 | 14929 | err = genl_register_family(&nl80211_fam); |
55682965 JB |
14930 | if (err) |
14931 | return err; | |
14932 | ||
026331c4 JM |
14933 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
14934 | if (err) | |
14935 | goto err_out; | |
14936 | ||
55682965 JB |
14937 | return 0; |
14938 | err_out: | |
14939 | genl_unregister_family(&nl80211_fam); | |
14940 | return err; | |
14941 | } | |
14942 | ||
14943 | void nl80211_exit(void) | |
14944 | { | |
026331c4 | 14945 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
14946 | genl_unregister_family(&nl80211_fam); |
14947 | } |