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Commit | Line | Data |
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55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
2740f0cf | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
7bdbe400 | 6 | * Copyright 2015 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 | ||
f84f771d | 35 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 | 36 | struct genl_info *info); |
f84f771d | 37 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
38 | struct genl_info *info); |
39 | ||
55682965 JB |
40 | /* the netlink family */ |
41 | static struct genl_family nl80211_fam = { | |
fb4e1568 MH |
42 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
43 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ | |
44 | .hdrsize = 0, /* no private header */ | |
45 | .version = 1, /* no particular meaning now */ | |
55682965 | 46 | .maxattr = NL80211_ATTR_MAX, |
463d0183 | 47 | .netnsok = true, |
4c476991 JB |
48 | .pre_doit = nl80211_pre_doit, |
49 | .post_doit = nl80211_post_doit, | |
55682965 JB |
50 | }; |
51 | ||
2a94fe48 JB |
52 | /* multicast groups */ |
53 | enum nl80211_multicast_groups { | |
54 | NL80211_MCGRP_CONFIG, | |
55 | NL80211_MCGRP_SCAN, | |
56 | NL80211_MCGRP_REGULATORY, | |
57 | NL80211_MCGRP_MLME, | |
567ffc35 | 58 | NL80211_MCGRP_VENDOR, |
2a94fe48 JB |
59 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
60 | }; | |
61 | ||
62 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
71b836ec JB |
63 | [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG }, |
64 | [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN }, | |
65 | [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG }, | |
66 | [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME }, | |
67 | [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR }, | |
2a94fe48 | 68 | #ifdef CONFIG_NL80211_TESTMODE |
71b836ec | 69 | [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE } |
2a94fe48 JB |
70 | #endif |
71 | }; | |
72 | ||
89a54e48 JB |
73 | /* returns ERR_PTR values */ |
74 | static struct wireless_dev * | |
75 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 76 | { |
89a54e48 JB |
77 | struct cfg80211_registered_device *rdev; |
78 | struct wireless_dev *result = NULL; | |
79 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
80 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
81 | u64 wdev_id; | |
82 | int wiphy_idx = -1; | |
83 | int ifidx = -1; | |
55682965 | 84 | |
5fe231e8 | 85 | ASSERT_RTNL(); |
55682965 | 86 | |
89a54e48 JB |
87 | if (!have_ifidx && !have_wdev_id) |
88 | return ERR_PTR(-EINVAL); | |
55682965 | 89 | |
89a54e48 JB |
90 | if (have_ifidx) |
91 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
92 | if (have_wdev_id) { | |
93 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
94 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
95 | } |
96 | ||
89a54e48 JB |
97 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
98 | struct wireless_dev *wdev; | |
99 | ||
100 | if (wiphy_net(&rdev->wiphy) != netns) | |
101 | continue; | |
102 | ||
103 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
104 | continue; | |
105 | ||
89a54e48 JB |
106 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
107 | if (have_ifidx && wdev->netdev && | |
108 | wdev->netdev->ifindex == ifidx) { | |
109 | result = wdev; | |
110 | break; | |
111 | } | |
112 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
113 | result = wdev; | |
114 | break; | |
115 | } | |
116 | } | |
89a54e48 JB |
117 | |
118 | if (result) | |
119 | break; | |
120 | } | |
121 | ||
122 | if (result) | |
123 | return result; | |
124 | return ERR_PTR(-ENODEV); | |
55682965 JB |
125 | } |
126 | ||
a9455408 | 127 | static struct cfg80211_registered_device * |
878d9ec7 | 128 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 129 | { |
7fee4778 JB |
130 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
131 | struct net_device *netdev; | |
a9455408 | 132 | |
5fe231e8 | 133 | ASSERT_RTNL(); |
a9455408 | 134 | |
878d9ec7 | 135 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
136 | !attrs[NL80211_ATTR_IFINDEX] && |
137 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
138 | return ERR_PTR(-EINVAL); |
139 | ||
878d9ec7 | 140 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 141 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 142 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 143 | |
89a54e48 JB |
144 | if (attrs[NL80211_ATTR_WDEV]) { |
145 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
146 | struct wireless_dev *wdev; | |
147 | bool found = false; | |
148 | ||
149 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
150 | if (tmp) { | |
151 | /* make sure wdev exists */ | |
89a54e48 JB |
152 | list_for_each_entry(wdev, &tmp->wdev_list, list) { |
153 | if (wdev->identifier != (u32)wdev_id) | |
154 | continue; | |
155 | found = true; | |
156 | break; | |
157 | } | |
89a54e48 JB |
158 | |
159 | if (!found) | |
160 | tmp = NULL; | |
161 | ||
162 | if (rdev && tmp != rdev) | |
163 | return ERR_PTR(-EINVAL); | |
164 | rdev = tmp; | |
165 | } | |
166 | } | |
167 | ||
878d9ec7 JB |
168 | if (attrs[NL80211_ATTR_IFINDEX]) { |
169 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7f2b8562 | 170 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
171 | if (netdev) { |
172 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
173 | tmp = wiphy_to_rdev( |
174 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
175 | else |
176 | tmp = NULL; | |
177 | ||
7fee4778 JB |
178 | /* not wireless device -- return error */ |
179 | if (!tmp) | |
180 | return ERR_PTR(-EINVAL); | |
181 | ||
182 | /* mismatch -- return error */ | |
183 | if (rdev && tmp != rdev) | |
184 | return ERR_PTR(-EINVAL); | |
185 | ||
186 | rdev = tmp; | |
a9455408 | 187 | } |
a9455408 | 188 | } |
a9455408 | 189 | |
4f7eff10 JB |
190 | if (!rdev) |
191 | return ERR_PTR(-ENODEV); | |
a9455408 | 192 | |
4f7eff10 JB |
193 | if (netns != wiphy_net(&rdev->wiphy)) |
194 | return ERR_PTR(-ENODEV); | |
195 | ||
196 | return rdev; | |
a9455408 JB |
197 | } |
198 | ||
199 | /* | |
200 | * This function returns a pointer to the driver | |
201 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
202 | * |
203 | * The result of this can be a PTR_ERR and hence must | |
204 | * be checked with IS_ERR() for errors. | |
205 | */ | |
206 | static struct cfg80211_registered_device * | |
4f7eff10 | 207 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 208 | { |
5fe231e8 | 209 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
210 | } |
211 | ||
55682965 | 212 | /* policy for the attributes */ |
8cd4d456 | 213 | static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { |
55682965 JB |
214 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
215 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 216 | .len = 20-1 }, |
31888487 | 217 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 218 | |
72bdcf34 | 219 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 220 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
221 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
222 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
223 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
224 | ||
b9a5f8ca JM |
225 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
226 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
227 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
228 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 229 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
3057dbfd | 230 | [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, |
55682965 JB |
231 | |
232 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
233 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
234 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 235 | |
e007b857 EP |
236 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
237 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 238 | |
b9454e83 | 239 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
240 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
241 | .len = WLAN_MAX_KEY_LEN }, | |
242 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
243 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
244 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 245 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 246 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
247 | |
248 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
249 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
250 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
251 | .len = IEEE80211_MAX_DATA_LEN }, | |
252 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
253 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
254 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
255 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
256 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
257 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
258 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 259 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 260 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 261 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 262 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 263 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 264 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 265 | |
b2e1b302 LR |
266 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
267 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
268 | ||
9f1ba906 JM |
269 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
270 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
271 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
272 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
273 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 274 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 275 | |
24bdd9f4 | 276 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 277 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 278 | |
6c739419 | 279 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
280 | |
281 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
282 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
283 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
284 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
285 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
286 | |
287 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
288 | .len = IEEE80211_MAX_SSID_LEN }, | |
289 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
290 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 291 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 292 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 293 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
294 | [NL80211_ATTR_STA_FLAGS2] = { |
295 | .len = sizeof(struct nl80211_sta_flag_update), | |
296 | }, | |
3f77316c | 297 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
298 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
299 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
300 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
301 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
302 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 303 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 304 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
305 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
306 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
307 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
308 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 309 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
310 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
311 | .len = IEEE80211_MAX_DATA_LEN }, | |
312 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 313 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 314 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 315 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 316 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
317 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
318 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 319 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
320 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
321 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 322 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 323 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 324 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 325 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 326 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 327 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 328 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 329 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 330 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
331 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
332 | .len = IEEE80211_MAX_DATA_LEN }, | |
333 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
334 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 335 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 336 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 337 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
338 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
339 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
340 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
341 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
342 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 343 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 344 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
345 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
346 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 347 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
348 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
349 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
350 | .len = NL80211_HT_CAPABILITY_LEN | |
351 | }, | |
1d9d9213 | 352 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 353 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 354 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 355 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 356 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 357 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 358 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 359 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
360 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
361 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
362 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
363 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
364 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
365 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 366 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
367 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
368 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
369 | .len = NL80211_VHT_CAPABILITY_LEN, | |
370 | }, | |
355199e0 JM |
371 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
372 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
373 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 374 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
375 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
376 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
377 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
378 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
379 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
380 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
381 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 382 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 383 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
384 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
385 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
386 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
387 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
388 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
389 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
390 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 391 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
18e5ca65 | 392 | [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 393 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 394 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
960d01ac JB |
395 | [NL80211_ATTR_TSID] = { .type = NLA_U8 }, |
396 | [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, | |
397 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, | |
18998c38 | 398 | [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, |
ad2b26ab | 399 | [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN }, |
1bdd716c | 400 | [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG }, |
4b681c82 | 401 | [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 }, |
9c748934 | 402 | [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 }, |
05050753 | 403 | [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG }, |
55682965 JB |
404 | }; |
405 | ||
e31b8213 | 406 | /* policy for the key attributes */ |
b54452b0 | 407 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 408 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
409 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
410 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 411 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
412 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
413 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 414 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
415 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
416 | }; | |
417 | ||
418 | /* policy for the key default flags */ | |
419 | static const struct nla_policy | |
420 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
421 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
422 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
423 | }; |
424 | ||
ff1b6e69 JB |
425 | /* policy for WoWLAN attributes */ |
426 | static const struct nla_policy | |
427 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
428 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
429 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
430 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
431 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
432 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
433 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
434 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
435 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 436 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 437 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
438 | }; |
439 | ||
440 | static const struct nla_policy | |
441 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
442 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
443 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
444 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
445 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
446 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
447 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
448 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
449 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
450 | }, | |
451 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
452 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
453 | }, | |
454 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
455 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
456 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
457 | }; |
458 | ||
be29b99a AK |
459 | /* policy for coalesce rule attributes */ |
460 | static const struct nla_policy | |
461 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
462 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
463 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
464 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
465 | }; | |
466 | ||
e5497d76 JB |
467 | /* policy for GTK rekey offload attributes */ |
468 | static const struct nla_policy | |
469 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
470 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
471 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
472 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
473 | }; | |
474 | ||
a1f1c21c LC |
475 | static const struct nla_policy |
476 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 477 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 478 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 479 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
480 | }; |
481 | ||
97990a06 JB |
482 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
483 | struct netlink_callback *cb, | |
484 | struct cfg80211_registered_device **rdev, | |
485 | struct wireless_dev **wdev) | |
a043897a | 486 | { |
97990a06 | 487 | int err; |
a043897a | 488 | |
97990a06 | 489 | rtnl_lock(); |
a043897a | 490 | |
97990a06 JB |
491 | if (!cb->args[0]) { |
492 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
493 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
494 | nl80211_policy); | |
495 | if (err) | |
496 | goto out_unlock; | |
67748893 | 497 | |
97990a06 JB |
498 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
499 | nl80211_fam.attrbuf); | |
500 | if (IS_ERR(*wdev)) { | |
501 | err = PTR_ERR(*wdev); | |
502 | goto out_unlock; | |
503 | } | |
f26cbf40 | 504 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
505 | /* 0 is the first index - add 1 to parse only once */ |
506 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
507 | cb->args[1] = (*wdev)->identifier; |
508 | } else { | |
c319d50b JB |
509 | /* subtract the 1 again here */ |
510 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 511 | struct wireless_dev *tmp; |
67748893 | 512 | |
97990a06 JB |
513 | if (!wiphy) { |
514 | err = -ENODEV; | |
515 | goto out_unlock; | |
516 | } | |
f26cbf40 | 517 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 518 | *wdev = NULL; |
67748893 | 519 | |
97990a06 JB |
520 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
521 | if (tmp->identifier == cb->args[1]) { | |
522 | *wdev = tmp; | |
523 | break; | |
524 | } | |
525 | } | |
67748893 | 526 | |
97990a06 JB |
527 | if (!*wdev) { |
528 | err = -ENODEV; | |
529 | goto out_unlock; | |
530 | } | |
67748893 JB |
531 | } |
532 | ||
67748893 | 533 | return 0; |
97990a06 | 534 | out_unlock: |
67748893 JB |
535 | rtnl_unlock(); |
536 | return err; | |
537 | } | |
538 | ||
97990a06 | 539 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 540 | { |
67748893 JB |
541 | rtnl_unlock(); |
542 | } | |
543 | ||
f4a11bb0 JB |
544 | /* IE validation */ |
545 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
546 | { | |
547 | const u8 *pos; | |
548 | int len; | |
549 | ||
550 | if (!attr) | |
551 | return true; | |
552 | ||
553 | pos = nla_data(attr); | |
554 | len = nla_len(attr); | |
555 | ||
556 | while (len) { | |
557 | u8 elemlen; | |
558 | ||
559 | if (len < 2) | |
560 | return false; | |
561 | len -= 2; | |
562 | ||
563 | elemlen = pos[1]; | |
564 | if (elemlen > len) | |
565 | return false; | |
566 | ||
567 | len -= elemlen; | |
568 | pos += 2 + elemlen; | |
569 | } | |
570 | ||
571 | return true; | |
572 | } | |
573 | ||
55682965 | 574 | /* message building helper */ |
15e47304 | 575 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
576 | int flags, u8 cmd) |
577 | { | |
578 | /* since there is no private header just add the generic one */ | |
15e47304 | 579 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
580 | } |
581 | ||
5dab3b8a | 582 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
583 | struct ieee80211_channel *chan, |
584 | bool large) | |
5dab3b8a | 585 | { |
ea077c1c RL |
586 | /* Some channels must be completely excluded from the |
587 | * list to protect old user-space tools from breaking | |
588 | */ | |
589 | if (!large && chan->flags & | |
590 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
591 | return 0; | |
592 | ||
9360ffd1 DM |
593 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
594 | chan->center_freq)) | |
595 | goto nla_put_failure; | |
5dab3b8a | 596 | |
9360ffd1 DM |
597 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
598 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
599 | goto nla_put_failure; | |
8fe02e16 LR |
600 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
601 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
602 | goto nla_put_failure; | |
603 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
604 | goto nla_put_failure; | |
605 | } | |
cdc89b97 JB |
606 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
607 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
608 | goto nla_put_failure; | |
609 | if (large) { | |
610 | u32 time; | |
611 | ||
612 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
613 | ||
614 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
615 | chan->dfs_state)) | |
616 | goto nla_put_failure; | |
617 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
618 | time)) | |
619 | goto nla_put_failure; | |
089027e5 JD |
620 | if (nla_put_u32(msg, |
621 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
622 | chan->dfs_cac_ms)) | |
623 | goto nla_put_failure; | |
cdc89b97 JB |
624 | } |
625 | } | |
5dab3b8a | 626 | |
fe1abafd JB |
627 | if (large) { |
628 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
629 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
630 | goto nla_put_failure; | |
631 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
632 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
633 | goto nla_put_failure; | |
634 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
635 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
636 | goto nla_put_failure; | |
637 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
638 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
639 | goto nla_put_failure; | |
570dbde1 DS |
640 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
641 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
642 | goto nla_put_failure; | |
06f207fc AN |
643 | if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) && |
644 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT)) | |
570dbde1 | 645 | goto nla_put_failure; |
ea077c1c RL |
646 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
647 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
648 | goto nla_put_failure; | |
649 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
650 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
651 | goto nla_put_failure; | |
fe1abafd JB |
652 | } |
653 | ||
9360ffd1 DM |
654 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
655 | DBM_TO_MBM(chan->max_power))) | |
656 | goto nla_put_failure; | |
5dab3b8a LR |
657 | |
658 | return 0; | |
659 | ||
660 | nla_put_failure: | |
661 | return -ENOBUFS; | |
662 | } | |
663 | ||
55682965 JB |
664 | /* netlink command implementations */ |
665 | ||
b9454e83 JB |
666 | struct key_parse { |
667 | struct key_params p; | |
668 | int idx; | |
e31b8213 | 669 | int type; |
b9454e83 | 670 | bool def, defmgmt; |
dbd2fd65 | 671 | bool def_uni, def_multi; |
b9454e83 JB |
672 | }; |
673 | ||
674 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
675 | { | |
676 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
677 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
678 | nl80211_key_policy); | |
679 | if (err) | |
680 | return err; | |
681 | ||
682 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
683 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
684 | ||
dbd2fd65 JB |
685 | if (k->def) { |
686 | k->def_uni = true; | |
687 | k->def_multi = true; | |
688 | } | |
689 | if (k->defmgmt) | |
690 | k->def_multi = true; | |
691 | ||
b9454e83 JB |
692 | if (tb[NL80211_KEY_IDX]) |
693 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
694 | ||
695 | if (tb[NL80211_KEY_DATA]) { | |
696 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
697 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
698 | } | |
699 | ||
700 | if (tb[NL80211_KEY_SEQ]) { | |
701 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
702 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
703 | } | |
704 | ||
705 | if (tb[NL80211_KEY_CIPHER]) | |
706 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
707 | ||
e31b8213 JB |
708 | if (tb[NL80211_KEY_TYPE]) { |
709 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
710 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
711 | return -EINVAL; | |
712 | } | |
713 | ||
dbd2fd65 JB |
714 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
715 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
716 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
717 | tb[NL80211_KEY_DEFAULT_TYPES], | |
718 | nl80211_key_default_policy); | |
dbd2fd65 JB |
719 | if (err) |
720 | return err; | |
721 | ||
722 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
723 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
724 | } | |
725 | ||
b9454e83 JB |
726 | return 0; |
727 | } | |
728 | ||
729 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
730 | { | |
731 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
732 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
733 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
734 | } | |
735 | ||
736 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
737 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
738 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
739 | } | |
740 | ||
741 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
742 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
743 | ||
744 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
745 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
746 | ||
747 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
748 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
749 | ||
dbd2fd65 JB |
750 | if (k->def) { |
751 | k->def_uni = true; | |
752 | k->def_multi = true; | |
753 | } | |
754 | if (k->defmgmt) | |
755 | k->def_multi = true; | |
756 | ||
e31b8213 JB |
757 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
758 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
759 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
760 | return -EINVAL; | |
761 | } | |
762 | ||
dbd2fd65 JB |
763 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
764 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
765 | int err = nla_parse_nested( | |
766 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
767 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
768 | nl80211_key_default_policy); | |
769 | if (err) | |
770 | return err; | |
771 | ||
772 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
773 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
774 | } | |
775 | ||
b9454e83 JB |
776 | return 0; |
777 | } | |
778 | ||
779 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
780 | { | |
781 | int err; | |
782 | ||
783 | memset(k, 0, sizeof(*k)); | |
784 | k->idx = -1; | |
e31b8213 | 785 | k->type = -1; |
b9454e83 JB |
786 | |
787 | if (info->attrs[NL80211_ATTR_KEY]) | |
788 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
789 | else | |
790 | err = nl80211_parse_key_old(info, k); | |
791 | ||
792 | if (err) | |
793 | return err; | |
794 | ||
795 | if (k->def && k->defmgmt) | |
796 | return -EINVAL; | |
797 | ||
dbd2fd65 JB |
798 | if (k->defmgmt) { |
799 | if (k->def_uni || !k->def_multi) | |
800 | return -EINVAL; | |
801 | } | |
802 | ||
b9454e83 JB |
803 | if (k->idx != -1) { |
804 | if (k->defmgmt) { | |
805 | if (k->idx < 4 || k->idx > 5) | |
806 | return -EINVAL; | |
807 | } else if (k->def) { | |
808 | if (k->idx < 0 || k->idx > 3) | |
809 | return -EINVAL; | |
810 | } else { | |
811 | if (k->idx < 0 || k->idx > 5) | |
812 | return -EINVAL; | |
813 | } | |
814 | } | |
815 | ||
816 | return 0; | |
817 | } | |
818 | ||
fffd0934 JB |
819 | static struct cfg80211_cached_keys * |
820 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 821 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
822 | { |
823 | struct key_parse parse; | |
824 | struct nlattr *key; | |
825 | struct cfg80211_cached_keys *result; | |
826 | int rem, err, def = 0; | |
827 | ||
828 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
829 | if (!result) | |
830 | return ERR_PTR(-ENOMEM); | |
831 | ||
832 | result->def = -1; | |
833 | result->defmgmt = -1; | |
834 | ||
835 | nla_for_each_nested(key, keys, rem) { | |
836 | memset(&parse, 0, sizeof(parse)); | |
837 | parse.idx = -1; | |
838 | ||
839 | err = nl80211_parse_key_new(key, &parse); | |
840 | if (err) | |
841 | goto error; | |
842 | err = -EINVAL; | |
843 | if (!parse.p.key) | |
844 | goto error; | |
845 | if (parse.idx < 0 || parse.idx > 4) | |
846 | goto error; | |
847 | if (parse.def) { | |
848 | if (def) | |
849 | goto error; | |
850 | def = 1; | |
851 | result->def = parse.idx; | |
dbd2fd65 JB |
852 | if (!parse.def_uni || !parse.def_multi) |
853 | goto error; | |
fffd0934 JB |
854 | } else if (parse.defmgmt) |
855 | goto error; | |
856 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 857 | parse.idx, false, NULL); |
fffd0934 JB |
858 | if (err) |
859 | goto error; | |
860 | result->params[parse.idx].cipher = parse.p.cipher; | |
861 | result->params[parse.idx].key_len = parse.p.key_len; | |
862 | result->params[parse.idx].key = result->data[parse.idx]; | |
863 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
864 | |
865 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
866 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
867 | if (no_ht) | |
868 | *no_ht = true; | |
869 | } | |
fffd0934 JB |
870 | } |
871 | ||
872 | return result; | |
873 | error: | |
874 | kfree(result); | |
875 | return ERR_PTR(err); | |
876 | } | |
877 | ||
878 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
879 | { | |
880 | ASSERT_WDEV_LOCK(wdev); | |
881 | ||
fffd0934 JB |
882 | switch (wdev->iftype) { |
883 | case NL80211_IFTYPE_AP: | |
884 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 885 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 886 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
887 | break; |
888 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 889 | case NL80211_IFTYPE_STATION: |
074ac8df | 890 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 891 | if (!wdev->current_bss) |
fffd0934 JB |
892 | return -ENOLINK; |
893 | break; | |
de4fcbad | 894 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 895 | case NL80211_IFTYPE_OCB: |
de4fcbad JB |
896 | case NL80211_IFTYPE_MONITOR: |
897 | case NL80211_IFTYPE_P2P_DEVICE: | |
898 | case NL80211_IFTYPE_WDS: | |
899 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
900 | return -EINVAL; |
901 | } | |
902 | ||
903 | return 0; | |
904 | } | |
905 | ||
664834de JM |
906 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
907 | struct nlattr *tb) | |
908 | { | |
909 | struct ieee80211_channel *chan; | |
910 | ||
911 | if (tb == NULL) | |
912 | return NULL; | |
913 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
914 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
915 | return NULL; | |
916 | return chan; | |
917 | } | |
918 | ||
7527a782 JB |
919 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
920 | { | |
921 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
922 | int i; | |
923 | ||
924 | if (!nl_modes) | |
925 | goto nla_put_failure; | |
926 | ||
927 | i = 0; | |
928 | while (ifmodes) { | |
9360ffd1 DM |
929 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
930 | goto nla_put_failure; | |
7527a782 JB |
931 | ifmodes >>= 1; |
932 | i++; | |
933 | } | |
934 | ||
935 | nla_nest_end(msg, nl_modes); | |
936 | return 0; | |
937 | ||
938 | nla_put_failure: | |
939 | return -ENOBUFS; | |
940 | } | |
941 | ||
942 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
943 | struct sk_buff *msg, |
944 | bool large) | |
7527a782 JB |
945 | { |
946 | struct nlattr *nl_combis; | |
947 | int i, j; | |
948 | ||
949 | nl_combis = nla_nest_start(msg, | |
950 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
951 | if (!nl_combis) | |
952 | goto nla_put_failure; | |
953 | ||
954 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
955 | const struct ieee80211_iface_combination *c; | |
956 | struct nlattr *nl_combi, *nl_limits; | |
957 | ||
958 | c = &wiphy->iface_combinations[i]; | |
959 | ||
960 | nl_combi = nla_nest_start(msg, i + 1); | |
961 | if (!nl_combi) | |
962 | goto nla_put_failure; | |
963 | ||
964 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
965 | if (!nl_limits) | |
966 | goto nla_put_failure; | |
967 | ||
968 | for (j = 0; j < c->n_limits; j++) { | |
969 | struct nlattr *nl_limit; | |
970 | ||
971 | nl_limit = nla_nest_start(msg, j + 1); | |
972 | if (!nl_limit) | |
973 | goto nla_put_failure; | |
9360ffd1 DM |
974 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
975 | c->limits[j].max)) | |
976 | goto nla_put_failure; | |
7527a782 JB |
977 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
978 | c->limits[j].types)) | |
979 | goto nla_put_failure; | |
980 | nla_nest_end(msg, nl_limit); | |
981 | } | |
982 | ||
983 | nla_nest_end(msg, nl_limits); | |
984 | ||
9360ffd1 DM |
985 | if (c->beacon_int_infra_match && |
986 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
987 | goto nla_put_failure; | |
988 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
989 | c->num_different_channels) || | |
990 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
991 | c->max_interfaces)) | |
992 | goto nla_put_failure; | |
cdc89b97 | 993 | if (large && |
8c48b50a FF |
994 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
995 | c->radar_detect_widths) || | |
996 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
997 | c->radar_detect_regions))) | |
cdc89b97 | 998 | goto nla_put_failure; |
7527a782 JB |
999 | |
1000 | nla_nest_end(msg, nl_combi); | |
1001 | } | |
1002 | ||
1003 | nla_nest_end(msg, nl_combis); | |
1004 | ||
1005 | return 0; | |
1006 | nla_put_failure: | |
1007 | return -ENOBUFS; | |
1008 | } | |
1009 | ||
3713b4e3 | 1010 | #ifdef CONFIG_PM |
b56cf720 JB |
1011 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1012 | struct sk_buff *msg) | |
1013 | { | |
964dc9e2 | 1014 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1015 | struct nlattr *nl_tcp; |
1016 | ||
1017 | if (!tcp) | |
1018 | return 0; | |
1019 | ||
1020 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1021 | if (!nl_tcp) | |
1022 | return -ENOBUFS; | |
1023 | ||
1024 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1025 | tcp->data_payload_max)) | |
1026 | return -ENOBUFS; | |
1027 | ||
1028 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1029 | tcp->data_payload_max)) | |
1030 | return -ENOBUFS; | |
1031 | ||
1032 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1033 | return -ENOBUFS; | |
1034 | ||
1035 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1036 | sizeof(*tcp->tok), tcp->tok)) | |
1037 | return -ENOBUFS; | |
1038 | ||
1039 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1040 | tcp->data_interval_max)) | |
1041 | return -ENOBUFS; | |
1042 | ||
1043 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1044 | tcp->wake_payload_max)) | |
1045 | return -ENOBUFS; | |
1046 | ||
1047 | nla_nest_end(msg, nl_tcp); | |
1048 | return 0; | |
1049 | } | |
1050 | ||
3713b4e3 | 1051 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1052 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1053 | bool large) |
55682965 | 1054 | { |
3713b4e3 | 1055 | struct nlattr *nl_wowlan; |
55682965 | 1056 | |
1b8ec87a | 1057 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1058 | return 0; |
55682965 | 1059 | |
3713b4e3 JB |
1060 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1061 | if (!nl_wowlan) | |
1062 | return -ENOBUFS; | |
9360ffd1 | 1063 | |
1b8ec87a | 1064 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1065 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1066 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1067 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1068 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1069 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1070 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1071 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1072 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1073 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1074 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1075 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1076 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1077 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1078 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1079 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1080 | return -ENOBUFS; | |
9360ffd1 | 1081 | |
1b8ec87a | 1082 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1083 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1084 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1085 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1086 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1087 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1088 | }; |
9360ffd1 | 1089 | |
3713b4e3 JB |
1090 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1091 | sizeof(pat), &pat)) | |
1092 | return -ENOBUFS; | |
1093 | } | |
9360ffd1 | 1094 | |
75453ccb LC |
1095 | if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) && |
1096 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT, | |
1097 | rdev->wiphy.wowlan->max_nd_match_sets)) | |
1098 | return -ENOBUFS; | |
1099 | ||
1b8ec87a | 1100 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1101 | return -ENOBUFS; |
1102 | ||
3713b4e3 | 1103 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1104 | |
3713b4e3 JB |
1105 | return 0; |
1106 | } | |
1107 | #endif | |
9360ffd1 | 1108 | |
be29b99a | 1109 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1110 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1111 | { |
1112 | struct nl80211_coalesce_rule_support rule; | |
1113 | ||
1b8ec87a | 1114 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1115 | return 0; |
1116 | ||
1b8ec87a ZG |
1117 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1118 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1119 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1120 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1121 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1122 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1123 | |
1124 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1125 | return -ENOBUFS; | |
1126 | ||
1127 | return 0; | |
1128 | } | |
1129 | ||
3713b4e3 JB |
1130 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1131 | struct ieee80211_supported_band *sband) | |
1132 | { | |
1133 | struct nlattr *nl_rates, *nl_rate; | |
1134 | struct ieee80211_rate *rate; | |
1135 | int i; | |
87bbbe22 | 1136 | |
3713b4e3 JB |
1137 | /* add HT info */ |
1138 | if (sband->ht_cap.ht_supported && | |
1139 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1140 | sizeof(sband->ht_cap.mcs), | |
1141 | &sband->ht_cap.mcs) || | |
1142 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1143 | sband->ht_cap.cap) || | |
1144 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1145 | sband->ht_cap.ampdu_factor) || | |
1146 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1147 | sband->ht_cap.ampdu_density))) | |
1148 | return -ENOBUFS; | |
afe0cbf8 | 1149 | |
3713b4e3 JB |
1150 | /* add VHT info */ |
1151 | if (sband->vht_cap.vht_supported && | |
1152 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1153 | sizeof(sband->vht_cap.vht_mcs), | |
1154 | &sband->vht_cap.vht_mcs) || | |
1155 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1156 | sband->vht_cap.cap))) | |
1157 | return -ENOBUFS; | |
f59ac048 | 1158 | |
3713b4e3 JB |
1159 | /* add bitrates */ |
1160 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1161 | if (!nl_rates) | |
1162 | return -ENOBUFS; | |
ee688b00 | 1163 | |
3713b4e3 JB |
1164 | for (i = 0; i < sband->n_bitrates; i++) { |
1165 | nl_rate = nla_nest_start(msg, i); | |
1166 | if (!nl_rate) | |
1167 | return -ENOBUFS; | |
ee688b00 | 1168 | |
3713b4e3 JB |
1169 | rate = &sband->bitrates[i]; |
1170 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1171 | rate->bitrate)) | |
1172 | return -ENOBUFS; | |
1173 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1174 | nla_put_flag(msg, | |
1175 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1176 | return -ENOBUFS; | |
ee688b00 | 1177 | |
3713b4e3 JB |
1178 | nla_nest_end(msg, nl_rate); |
1179 | } | |
d51626df | 1180 | |
3713b4e3 | 1181 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1182 | |
3713b4e3 JB |
1183 | return 0; |
1184 | } | |
ee688b00 | 1185 | |
3713b4e3 JB |
1186 | static int |
1187 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1188 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1189 | { | |
1190 | u16 stypes; | |
1191 | struct nlattr *nl_ftypes, *nl_ifs; | |
1192 | enum nl80211_iftype ift; | |
1193 | int i; | |
ee688b00 | 1194 | |
3713b4e3 JB |
1195 | if (!mgmt_stypes) |
1196 | return 0; | |
5dab3b8a | 1197 | |
3713b4e3 JB |
1198 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1199 | if (!nl_ifs) | |
1200 | return -ENOBUFS; | |
e2f367f2 | 1201 | |
3713b4e3 JB |
1202 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1203 | nl_ftypes = nla_nest_start(msg, ift); | |
1204 | if (!nl_ftypes) | |
1205 | return -ENOBUFS; | |
1206 | i = 0; | |
1207 | stypes = mgmt_stypes[ift].tx; | |
1208 | while (stypes) { | |
1209 | if ((stypes & 1) && | |
1210 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1211 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1212 | return -ENOBUFS; | |
1213 | stypes >>= 1; | |
1214 | i++; | |
ee688b00 | 1215 | } |
3713b4e3 JB |
1216 | nla_nest_end(msg, nl_ftypes); |
1217 | } | |
ee688b00 | 1218 | |
3713b4e3 | 1219 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1220 | |
3713b4e3 JB |
1221 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1222 | if (!nl_ifs) | |
1223 | return -ENOBUFS; | |
ee688b00 | 1224 | |
3713b4e3 JB |
1225 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1226 | nl_ftypes = nla_nest_start(msg, ift); | |
1227 | if (!nl_ftypes) | |
1228 | return -ENOBUFS; | |
1229 | i = 0; | |
1230 | stypes = mgmt_stypes[ift].rx; | |
1231 | while (stypes) { | |
1232 | if ((stypes & 1) && | |
1233 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1234 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1235 | return -ENOBUFS; | |
1236 | stypes >>= 1; | |
1237 | i++; | |
1238 | } | |
1239 | nla_nest_end(msg, nl_ftypes); | |
1240 | } | |
1241 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1242 | |
3713b4e3 JB |
1243 | return 0; |
1244 | } | |
ee688b00 | 1245 | |
86e8cf98 JB |
1246 | struct nl80211_dump_wiphy_state { |
1247 | s64 filter_wiphy; | |
1248 | long start; | |
1249 | long split_start, band_start, chan_start; | |
1250 | bool split; | |
1251 | }; | |
1252 | ||
1b8ec87a | 1253 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1254 | enum nl80211_commands cmd, |
3713b4e3 | 1255 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1256 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1257 | { |
1258 | void *hdr; | |
1259 | struct nlattr *nl_bands, *nl_band; | |
1260 | struct nlattr *nl_freqs, *nl_freq; | |
1261 | struct nlattr *nl_cmds; | |
1262 | enum ieee80211_band band; | |
1263 | struct ieee80211_channel *chan; | |
1264 | int i; | |
1265 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1266 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1267 | u32 features; |
ee688b00 | 1268 | |
3bb20556 | 1269 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1270 | if (!hdr) |
1271 | return -ENOBUFS; | |
ee688b00 | 1272 | |
86e8cf98 JB |
1273 | if (WARN_ON(!state)) |
1274 | return -EINVAL; | |
ee688b00 | 1275 | |
1b8ec87a | 1276 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1277 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1278 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1279 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1280 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1281 | goto nla_put_failure; |
1282 | ||
3bb20556 JB |
1283 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1284 | goto finish; | |
1285 | ||
86e8cf98 | 1286 | switch (state->split_start) { |
3713b4e3 JB |
1287 | case 0: |
1288 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1289 | rdev->wiphy.retry_short) || |
3713b4e3 | 1290 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1291 | rdev->wiphy.retry_long) || |
3713b4e3 | 1292 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1293 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1294 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1295 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1296 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1297 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1298 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1299 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1300 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1301 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1302 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1303 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1304 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1305 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1306 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
1b8ec87a | 1307 | rdev->wiphy.max_match_sets)) |
9360ffd1 | 1308 | goto nla_put_failure; |
3713b4e3 | 1309 | |
1b8ec87a | 1310 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1311 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1312 | goto nla_put_failure; |
1b8ec87a | 1313 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1314 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1315 | goto nla_put_failure; | |
1b8ec87a | 1316 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1317 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1318 | goto nla_put_failure; | |
1b8ec87a | 1319 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1320 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1321 | goto nla_put_failure; | |
1b8ec87a | 1322 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1323 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1324 | goto nla_put_failure; | |
1b8ec87a | 1325 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1326 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1327 | goto nla_put_failure; |
86e8cf98 JB |
1328 | state->split_start++; |
1329 | if (state->split) | |
3713b4e3 JB |
1330 | break; |
1331 | case 1: | |
1332 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1333 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1334 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1335 | goto nla_put_failure; |
4745fc09 | 1336 | |
3713b4e3 | 1337 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1338 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1339 | goto nla_put_failure; |
b23aa676 | 1340 | |
1b8ec87a | 1341 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1342 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1343 | goto nla_put_failure; |
b23aa676 | 1344 | |
3713b4e3 | 1345 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1346 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1347 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1348 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1349 | goto nla_put_failure; |
b23aa676 | 1350 | |
1b8ec87a | 1351 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1352 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1353 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1354 | goto nla_put_failure; |
8fdc621d | 1355 | |
1b8ec87a ZG |
1356 | if ((rdev->wiphy.available_antennas_tx || |
1357 | rdev->wiphy.available_antennas_rx) && | |
1358 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1359 | u32 tx_ant = 0, rx_ant = 0; |
1360 | int res; | |
1b8ec87a | 1361 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1362 | if (!res) { |
1363 | if (nla_put_u32(msg, | |
1364 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1365 | tx_ant) || | |
1366 | nla_put_u32(msg, | |
1367 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1368 | rx_ant)) | |
1369 | goto nla_put_failure; | |
1370 | } | |
1371 | } | |
a293911d | 1372 | |
86e8cf98 JB |
1373 | state->split_start++; |
1374 | if (state->split) | |
3713b4e3 JB |
1375 | break; |
1376 | case 2: | |
1377 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1378 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1379 | goto nla_put_failure; |
86e8cf98 JB |
1380 | state->split_start++; |
1381 | if (state->split) | |
3713b4e3 JB |
1382 | break; |
1383 | case 3: | |
1384 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1385 | if (!nl_bands) | |
1386 | goto nla_put_failure; | |
f7ca38df | 1387 | |
86e8cf98 JB |
1388 | for (band = state->band_start; |
1389 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1390 | struct ieee80211_supported_band *sband; |
2e161f78 | 1391 | |
1b8ec87a | 1392 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1393 | |
3713b4e3 JB |
1394 | if (!sband) |
1395 | continue; | |
1396 | ||
1397 | nl_band = nla_nest_start(msg, band); | |
1398 | if (!nl_band) | |
2e161f78 | 1399 | goto nla_put_failure; |
3713b4e3 | 1400 | |
86e8cf98 | 1401 | switch (state->chan_start) { |
3713b4e3 JB |
1402 | case 0: |
1403 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1404 | goto nla_put_failure; |
86e8cf98 JB |
1405 | state->chan_start++; |
1406 | if (state->split) | |
3713b4e3 JB |
1407 | break; |
1408 | default: | |
1409 | /* add frequencies */ | |
1410 | nl_freqs = nla_nest_start( | |
1411 | msg, NL80211_BAND_ATTR_FREQS); | |
1412 | if (!nl_freqs) | |
1413 | goto nla_put_failure; | |
1414 | ||
86e8cf98 | 1415 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1416 | i < sband->n_channels; |
1417 | i++) { | |
1418 | nl_freq = nla_nest_start(msg, i); | |
1419 | if (!nl_freq) | |
1420 | goto nla_put_failure; | |
1421 | ||
1422 | chan = &sband->channels[i]; | |
1423 | ||
86e8cf98 JB |
1424 | if (nl80211_msg_put_channel( |
1425 | msg, chan, | |
1426 | state->split)) | |
3713b4e3 JB |
1427 | goto nla_put_failure; |
1428 | ||
1429 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1430 | if (state->split) |
3713b4e3 JB |
1431 | break; |
1432 | } | |
1433 | if (i < sband->n_channels) | |
86e8cf98 | 1434 | state->chan_start = i + 2; |
3713b4e3 | 1435 | else |
86e8cf98 | 1436 | state->chan_start = 0; |
3713b4e3 JB |
1437 | nla_nest_end(msg, nl_freqs); |
1438 | } | |
1439 | ||
1440 | nla_nest_end(msg, nl_band); | |
1441 | ||
86e8cf98 | 1442 | if (state->split) { |
3713b4e3 | 1443 | /* start again here */ |
86e8cf98 | 1444 | if (state->chan_start) |
3713b4e3 JB |
1445 | band--; |
1446 | break; | |
2e161f78 | 1447 | } |
2e161f78 | 1448 | } |
3713b4e3 | 1449 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1450 | |
3713b4e3 | 1451 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1452 | state->band_start = band + 1; |
3713b4e3 | 1453 | else |
86e8cf98 | 1454 | state->band_start = 0; |
74b70a4e | 1455 | |
3713b4e3 | 1456 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1457 | if (state->band_start == 0 && state->chan_start == 0) |
1458 | state->split_start++; | |
1459 | if (state->split) | |
3713b4e3 JB |
1460 | break; |
1461 | case 4: | |
1462 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1463 | if (!nl_cmds) | |
2e161f78 JB |
1464 | goto nla_put_failure; |
1465 | ||
3713b4e3 JB |
1466 | i = 0; |
1467 | #define CMD(op, n) \ | |
1468 | do { \ | |
1b8ec87a | 1469 | if (rdev->ops->op) { \ |
3713b4e3 JB |
1470 | i++; \ |
1471 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1472 | goto nla_put_failure; \ | |
1473 | } \ | |
1474 | } while (0) | |
1475 | ||
1476 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1477 | CMD(change_virtual_intf, SET_INTERFACE); | |
1478 | CMD(add_key, NEW_KEY); | |
1479 | CMD(start_ap, START_AP); | |
1480 | CMD(add_station, NEW_STATION); | |
1481 | CMD(add_mpath, NEW_MPATH); | |
1482 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1483 | CMD(change_bss, SET_BSS); | |
1484 | CMD(auth, AUTHENTICATE); | |
1485 | CMD(assoc, ASSOCIATE); | |
1486 | CMD(deauth, DEAUTHENTICATE); | |
1487 | CMD(disassoc, DISASSOCIATE); | |
1488 | CMD(join_ibss, JOIN_IBSS); | |
1489 | CMD(join_mesh, JOIN_MESH); | |
1490 | CMD(set_pmksa, SET_PMKSA); | |
1491 | CMD(del_pmksa, DEL_PMKSA); | |
1492 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1b8ec87a | 1493 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
3713b4e3 JB |
1494 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
1495 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1496 | CMD(mgmt_tx, FRAME); | |
1497 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1b8ec87a | 1498 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
3713b4e3 JB |
1499 | i++; |
1500 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1501 | goto nla_put_failure; |
2e161f78 | 1502 | } |
1b8ec87a ZG |
1503 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || |
1504 | rdev->ops->join_mesh) { | |
3713b4e3 JB |
1505 | i++; |
1506 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1507 | goto nla_put_failure; | |
1508 | } | |
1509 | CMD(set_wds_peer, SET_WDS_PEER); | |
1b8ec87a | 1510 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
3713b4e3 JB |
1511 | CMD(tdls_mgmt, TDLS_MGMT); |
1512 | CMD(tdls_oper, TDLS_OPER); | |
1513 | } | |
1b8ec87a | 1514 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
3713b4e3 JB |
1515 | CMD(sched_scan_start, START_SCHED_SCAN); |
1516 | CMD(probe_client, PROBE_CLIENT); | |
1517 | CMD(set_noack_map, SET_NOACK_MAP); | |
1b8ec87a | 1518 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
3713b4e3 JB |
1519 | i++; |
1520 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1521 | goto nla_put_failure; | |
1522 | } | |
1523 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1524 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
02df00eb JB |
1525 | #ifdef CONFIG_NL80211_TESTMODE |
1526 | CMD(testmode_cmd, TESTMODE); | |
1527 | #endif | |
86e8cf98 | 1528 | if (state->split) { |
5de17984 AS |
1529 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1530 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1531 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1532 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1533 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
1534 | if (rdev->wiphy.features & |
1535 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 1536 | CMD(add_tx_ts, ADD_TX_TS); |
5de17984 | 1537 | } |
02df00eb | 1538 | /* add into the if now */ |
3713b4e3 | 1539 | #undef CMD |
ff1b6e69 | 1540 | |
1b8ec87a | 1541 | if (rdev->ops->connect || rdev->ops->auth) { |
3713b4e3 JB |
1542 | i++; |
1543 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1544 | goto nla_put_failure; |
ff1b6e69 JB |
1545 | } |
1546 | ||
1b8ec87a | 1547 | if (rdev->ops->disconnect || rdev->ops->deauth) { |
3713b4e3 JB |
1548 | i++; |
1549 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1550 | goto nla_put_failure; | |
1551 | } | |
1552 | ||
1553 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1554 | state->split_start++; |
1555 | if (state->split) | |
3713b4e3 JB |
1556 | break; |
1557 | case 5: | |
1b8ec87a ZG |
1558 | if (rdev->ops->remain_on_channel && |
1559 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1560 | nla_put_u32(msg, |
1561 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1562 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1563 | goto nla_put_failure; |
1564 | ||
1b8ec87a | 1565 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1566 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1567 | goto nla_put_failure; | |
1568 | ||
1569 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1570 | goto nla_put_failure; | |
86e8cf98 JB |
1571 | state->split_start++; |
1572 | if (state->split) | |
3713b4e3 JB |
1573 | break; |
1574 | case 6: | |
1575 | #ifdef CONFIG_PM | |
1b8ec87a | 1576 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1577 | goto nla_put_failure; |
86e8cf98 JB |
1578 | state->split_start++; |
1579 | if (state->split) | |
3713b4e3 JB |
1580 | break; |
1581 | #else | |
86e8cf98 | 1582 | state->split_start++; |
dfb89c56 | 1583 | #endif |
3713b4e3 JB |
1584 | case 7: |
1585 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1586 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1587 | goto nla_put_failure; |
ff1b6e69 | 1588 | |
1b8ec87a | 1589 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1590 | state->split)) |
3713b4e3 | 1591 | goto nla_put_failure; |
7527a782 | 1592 | |
86e8cf98 JB |
1593 | state->split_start++; |
1594 | if (state->split) | |
3713b4e3 JB |
1595 | break; |
1596 | case 8: | |
1b8ec87a | 1597 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1598 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1599 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1600 | goto nla_put_failure; |
7527a782 | 1601 | |
1b8ec87a | 1602 | features = rdev->wiphy.features; |
fe1abafd JB |
1603 | /* |
1604 | * We can only add the per-channel limit information if the | |
1605 | * dump is split, otherwise it makes it too big. Therefore | |
1606 | * only advertise it in that case. | |
1607 | */ | |
86e8cf98 | 1608 | if (state->split) |
fe1abafd JB |
1609 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1610 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1611 | goto nla_put_failure; |
562a7480 | 1612 | |
1b8ec87a | 1613 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1614 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1615 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1616 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1617 | goto nla_put_failure; |
1f074bd8 | 1618 | |
1b8ec87a ZG |
1619 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1620 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1621 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1622 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1623 | goto nla_put_failure; |
7e7c8926 | 1624 | |
3713b4e3 JB |
1625 | /* |
1626 | * Any information below this point is only available to | |
1627 | * applications that can deal with it being split. This | |
1628 | * helps ensure that newly added capabilities don't break | |
1629 | * older tools by overrunning their buffers. | |
1630 | * | |
1631 | * We still increment split_start so that in the split | |
1632 | * case we'll continue with more data in the next round, | |
1633 | * but break unconditionally so unsplit data stops here. | |
1634 | */ | |
86e8cf98 | 1635 | state->split_start++; |
3713b4e3 JB |
1636 | break; |
1637 | case 9: | |
1b8ec87a | 1638 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1639 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1640 | rdev->wiphy.extended_capabilities_len, |
1641 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1642 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1643 | rdev->wiphy.extended_capabilities_len, |
1644 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1645 | goto nla_put_failure; |
a50df0c4 | 1646 | |
1b8ec87a | 1647 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1648 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1649 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1650 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1651 | goto nla_put_failure; |
1652 | ||
be29b99a AK |
1653 | state->split_start++; |
1654 | break; | |
1655 | case 10: | |
1b8ec87a | 1656 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1657 | goto nla_put_failure; |
1658 | ||
1b8ec87a | 1659 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1660 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1661 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1662 | goto nla_put_failure; | |
b43504cf | 1663 | |
1b8ec87a | 1664 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1665 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1666 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1667 | goto nla_put_failure; |
1668 | ||
ad7e718c JB |
1669 | state->split_start++; |
1670 | break; | |
1671 | case 11: | |
1b8ec87a | 1672 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1673 | const struct nl80211_vendor_cmd_info *info; |
1674 | struct nlattr *nested; | |
1675 | ||
1676 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1677 | if (!nested) | |
1678 | goto nla_put_failure; | |
1679 | ||
1b8ec87a ZG |
1680 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1681 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1682 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1683 | goto nla_put_failure; | |
1684 | } | |
1685 | nla_nest_end(msg, nested); | |
1686 | } | |
1687 | ||
1b8ec87a | 1688 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1689 | const struct nl80211_vendor_cmd_info *info; |
1690 | struct nlattr *nested; | |
ad7e718c | 1691 | |
567ffc35 JB |
1692 | nested = nla_nest_start(msg, |
1693 | NL80211_ATTR_VENDOR_EVENTS); | |
1694 | if (!nested) | |
ad7e718c | 1695 | goto nla_put_failure; |
567ffc35 | 1696 | |
1b8ec87a ZG |
1697 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1698 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1699 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1700 | goto nla_put_failure; | |
1701 | } | |
1702 | nla_nest_end(msg, nested); | |
1703 | } | |
9a774c78 AO |
1704 | state->split_start++; |
1705 | break; | |
1706 | case 12: | |
1707 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1708 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1709 | rdev->wiphy.max_num_csa_counters)) | |
1710 | goto nla_put_failure; | |
01e0daa4 | 1711 | |
1bdd716c AN |
1712 | if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
1713 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
1714 | goto nla_put_failure; | |
1715 | ||
d75bb06b GKS |
1716 | if (nla_put(msg, NL80211_ATTR_EXT_FEATURES, |
1717 | sizeof(rdev->wiphy.ext_features), | |
1718 | rdev->wiphy.ext_features)) | |
1719 | goto nla_put_failure; | |
1720 | ||
3713b4e3 | 1721 | /* done */ |
86e8cf98 | 1722 | state->split_start = 0; |
3713b4e3 JB |
1723 | break; |
1724 | } | |
3bb20556 | 1725 | finish: |
053c095a JB |
1726 | genlmsg_end(msg, hdr); |
1727 | return 0; | |
55682965 JB |
1728 | |
1729 | nla_put_failure: | |
bc3ed28c TG |
1730 | genlmsg_cancel(msg, hdr); |
1731 | return -EMSGSIZE; | |
55682965 JB |
1732 | } |
1733 | ||
86e8cf98 JB |
1734 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1735 | struct netlink_callback *cb, | |
1736 | struct nl80211_dump_wiphy_state *state) | |
1737 | { | |
1738 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1739 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1740 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1741 | /* ignore parse errors for backward compatibility */ | |
1742 | if (ret) | |
1743 | return 0; | |
1744 | ||
1745 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1746 | if (tb[NL80211_ATTR_WIPHY]) | |
1747 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1748 | if (tb[NL80211_ATTR_WDEV]) | |
1749 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1750 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1751 | struct net_device *netdev; | |
1752 | struct cfg80211_registered_device *rdev; | |
1753 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1754 | ||
7f2b8562 | 1755 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1756 | if (!netdev) |
1757 | return -ENODEV; | |
1758 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1759 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1760 | netdev->ieee80211_ptr->wiphy); |
1761 | state->filter_wiphy = rdev->wiphy_idx; | |
1762 | } | |
86e8cf98 JB |
1763 | } |
1764 | ||
1765 | return 0; | |
1766 | } | |
1767 | ||
55682965 JB |
1768 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1769 | { | |
645e77de | 1770 | int idx = 0, ret; |
86e8cf98 | 1771 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1772 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1773 | |
5fe231e8 | 1774 | rtnl_lock(); |
86e8cf98 JB |
1775 | if (!state) { |
1776 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1777 | if (!state) { |
1778 | rtnl_unlock(); | |
86e8cf98 | 1779 | return -ENOMEM; |
3713b4e3 | 1780 | } |
86e8cf98 JB |
1781 | state->filter_wiphy = -1; |
1782 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1783 | if (ret) { | |
1784 | kfree(state); | |
1785 | rtnl_unlock(); | |
1786 | return ret; | |
3713b4e3 | 1787 | } |
86e8cf98 | 1788 | cb->args[0] = (long)state; |
3713b4e3 JB |
1789 | } |
1790 | ||
1b8ec87a ZG |
1791 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1792 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1793 | continue; |
86e8cf98 | 1794 | if (++idx <= state->start) |
55682965 | 1795 | continue; |
86e8cf98 | 1796 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1797 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1798 | continue; |
1799 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1800 | do { | |
3bb20556 JB |
1801 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1802 | skb, | |
3713b4e3 JB |
1803 | NETLINK_CB(cb->skb).portid, |
1804 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1805 | NLM_F_MULTI, state); |
3713b4e3 JB |
1806 | if (ret < 0) { |
1807 | /* | |
1808 | * If sending the wiphy data didn't fit (ENOBUFS | |
1809 | * or EMSGSIZE returned), this SKB is still | |
1810 | * empty (so it's not too big because another | |
1811 | * wiphy dataset is already in the skb) and | |
1812 | * we've not tried to adjust the dump allocation | |
1813 | * yet ... then adjust the alloc size to be | |
1814 | * bigger, and return 1 but with the empty skb. | |
1815 | * This results in an empty message being RX'ed | |
1816 | * in userspace, but that is ignored. | |
1817 | * | |
1818 | * We can then retry with the larger buffer. | |
1819 | */ | |
1820 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1821 | !skb->len && !state->split && |
3713b4e3 JB |
1822 | cb->min_dump_alloc < 4096) { |
1823 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1824 | state->split_start = 0; |
d98cae64 | 1825 | rtnl_unlock(); |
3713b4e3 JB |
1826 | return 1; |
1827 | } | |
1828 | idx--; | |
1829 | break; | |
645e77de | 1830 | } |
86e8cf98 | 1831 | } while (state->split_start > 0); |
3713b4e3 | 1832 | break; |
55682965 | 1833 | } |
5fe231e8 | 1834 | rtnl_unlock(); |
55682965 | 1835 | |
86e8cf98 | 1836 | state->start = idx; |
55682965 JB |
1837 | |
1838 | return skb->len; | |
1839 | } | |
1840 | ||
86e8cf98 JB |
1841 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1842 | { | |
1843 | kfree((void *)cb->args[0]); | |
1844 | return 0; | |
1845 | } | |
1846 | ||
55682965 JB |
1847 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1848 | { | |
1849 | struct sk_buff *msg; | |
1b8ec87a | 1850 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 1851 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1852 | |
645e77de | 1853 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1854 | if (!msg) |
4c476991 | 1855 | return -ENOMEM; |
55682965 | 1856 | |
3bb20556 JB |
1857 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
1858 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 1859 | &state) < 0) { |
4c476991 JB |
1860 | nlmsg_free(msg); |
1861 | return -ENOBUFS; | |
1862 | } | |
55682965 | 1863 | |
134e6375 | 1864 | return genlmsg_reply(msg, info); |
55682965 JB |
1865 | } |
1866 | ||
31888487 JM |
1867 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1868 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1869 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1870 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1871 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1872 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1873 | }; | |
1874 | ||
1875 | static int parse_txq_params(struct nlattr *tb[], | |
1876 | struct ieee80211_txq_params *txq_params) | |
1877 | { | |
a3304b0a | 1878 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1879 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1880 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1881 | return -EINVAL; | |
1882 | ||
a3304b0a | 1883 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1884 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1885 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1886 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1887 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1888 | ||
a3304b0a JB |
1889 | if (txq_params->ac >= NL80211_NUM_ACS) |
1890 | return -EINVAL; | |
1891 | ||
31888487 JM |
1892 | return 0; |
1893 | } | |
1894 | ||
f444de05 JB |
1895 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1896 | { | |
1897 | /* | |
cc1d2806 JB |
1898 | * You can only set the channel explicitly for WDS interfaces, |
1899 | * all others have their channel managed via their respective | |
1900 | * "establish a connection" command (connect, join, ...) | |
1901 | * | |
1902 | * For AP/GO and mesh mode, the channel can be set with the | |
1903 | * channel userspace API, but is only stored and passed to the | |
1904 | * low-level driver when the AP starts or the mesh is joined. | |
1905 | * This is for backward compatibility, userspace can also give | |
1906 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1907 | * |
1908 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1909 | * whatever else is going on, so they have their own special |
1910 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1911 | */ |
1912 | return !wdev || | |
1913 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1914 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1915 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1916 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1917 | } |
1918 | ||
683b6d3b JB |
1919 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1920 | struct genl_info *info, | |
1921 | struct cfg80211_chan_def *chandef) | |
1922 | { | |
dbeca2ea | 1923 | u32 control_freq; |
683b6d3b JB |
1924 | |
1925 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1926 | return -EINVAL; | |
1927 | ||
1928 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1929 | ||
1930 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1931 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1932 | chandef->center_freq1 = control_freq; | |
1933 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1934 | |
1935 | /* Primary channel not allowed */ | |
1936 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1937 | return -EINVAL; | |
1938 | ||
3d9d1d66 JB |
1939 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1940 | enum nl80211_channel_type chantype; | |
1941 | ||
1942 | chantype = nla_get_u32( | |
1943 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1944 | ||
1945 | switch (chantype) { | |
1946 | case NL80211_CHAN_NO_HT: | |
1947 | case NL80211_CHAN_HT20: | |
1948 | case NL80211_CHAN_HT40PLUS: | |
1949 | case NL80211_CHAN_HT40MINUS: | |
1950 | cfg80211_chandef_create(chandef, chandef->chan, | |
1951 | chantype); | |
1952 | break; | |
1953 | default: | |
1954 | return -EINVAL; | |
1955 | } | |
1956 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1957 | chandef->width = | |
1958 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1959 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1960 | chandef->center_freq1 = | |
1961 | nla_get_u32( | |
1962 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1963 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1964 | chandef->center_freq2 = | |
1965 | nla_get_u32( | |
1966 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1967 | } | |
1968 | ||
9f5e8f6e | 1969 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1970 | return -EINVAL; |
1971 | ||
9f5e8f6e JB |
1972 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1973 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1974 | return -EINVAL; |
1975 | ||
2f301ab2 SW |
1976 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1977 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1978 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1979 | return -EINVAL; | |
1980 | ||
683b6d3b JB |
1981 | return 0; |
1982 | } | |
1983 | ||
f444de05 | 1984 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 1985 | struct net_device *dev, |
f444de05 JB |
1986 | struct genl_info *info) |
1987 | { | |
683b6d3b | 1988 | struct cfg80211_chan_def chandef; |
f444de05 | 1989 | int result; |
e8c9bd5b | 1990 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 1991 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 1992 | |
e16821bc JM |
1993 | if (dev) |
1994 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
1995 | if (!nl80211_can_set_dev_channel(wdev)) |
1996 | return -EOPNOTSUPP; | |
e16821bc JM |
1997 | if (wdev) |
1998 | iftype = wdev->iftype; | |
f444de05 | 1999 | |
683b6d3b JB |
2000 | result = nl80211_parse_chandef(rdev, info, &chandef); |
2001 | if (result) | |
2002 | return result; | |
f444de05 | 2003 | |
e8c9bd5b | 2004 | switch (iftype) { |
aa430da4 JB |
2005 | case NL80211_IFTYPE_AP: |
2006 | case NL80211_IFTYPE_P2P_GO: | |
923b352f AN |
2007 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
2008 | iftype)) { | |
aa430da4 JB |
2009 | result = -EINVAL; |
2010 | break; | |
2011 | } | |
e16821bc JM |
2012 | if (wdev->beacon_interval) { |
2013 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
2014 | !(rdev->wiphy.features & | |
2015 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
2016 | result = -EBUSY; | |
2017 | break; | |
2018 | } | |
2019 | ||
2020 | /* Only allow dynamic channel width changes */ | |
2021 | if (chandef.chan != wdev->preset_chandef.chan) { | |
2022 | result = -EBUSY; | |
2023 | break; | |
2024 | } | |
2025 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
2026 | if (result) | |
2027 | break; | |
2028 | } | |
683b6d3b | 2029 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2030 | result = 0; |
2031 | break; | |
cc1d2806 | 2032 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2033 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2034 | break; |
e8c9bd5b | 2035 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2036 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2037 | break; |
aa430da4 | 2038 | default: |
e8c9bd5b | 2039 | result = -EINVAL; |
f444de05 | 2040 | } |
f444de05 JB |
2041 | |
2042 | return result; | |
2043 | } | |
2044 | ||
2045 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2046 | { | |
4c476991 JB |
2047 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2048 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2049 | |
e16821bc | 2050 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2051 | } |
2052 | ||
e8347eba BJ |
2053 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2054 | { | |
43b19952 JB |
2055 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2056 | struct net_device *dev = info->user_ptr[1]; | |
2057 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2058 | const u8 *bssid; |
e8347eba BJ |
2059 | |
2060 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2061 | return -EINVAL; | |
2062 | ||
43b19952 JB |
2063 | if (netif_running(dev)) |
2064 | return -EBUSY; | |
e8347eba | 2065 | |
43b19952 JB |
2066 | if (!rdev->ops->set_wds_peer) |
2067 | return -EOPNOTSUPP; | |
e8347eba | 2068 | |
43b19952 JB |
2069 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2070 | return -EOPNOTSUPP; | |
e8347eba BJ |
2071 | |
2072 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2073 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2074 | } |
2075 | ||
2076 | ||
55682965 JB |
2077 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2078 | { | |
2079 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2080 | struct net_device *netdev = NULL; |
2081 | struct wireless_dev *wdev; | |
a1e567c8 | 2082 | int result = 0, rem_txq_params = 0; |
31888487 | 2083 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2084 | u32 changed; |
2085 | u8 retry_short = 0, retry_long = 0; | |
2086 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2087 | u8 coverage_class = 0; |
55682965 | 2088 | |
5fe231e8 JB |
2089 | ASSERT_RTNL(); |
2090 | ||
f444de05 JB |
2091 | /* |
2092 | * Try to find the wiphy and netdev. Normally this | |
2093 | * function shouldn't need the netdev, but this is | |
2094 | * done for backward compatibility -- previously | |
2095 | * setting the channel was done per wiphy, but now | |
2096 | * it is per netdev. Previous userland like hostapd | |
2097 | * also passed a netdev to set_wiphy, so that it is | |
2098 | * possible to let that go to the right netdev! | |
2099 | */ | |
4bbf4d56 | 2100 | |
f444de05 JB |
2101 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2102 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2103 | ||
7f2b8562 | 2104 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2105 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2106 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2107 | else |
f444de05 | 2108 | netdev = NULL; |
4bbf4d56 JB |
2109 | } |
2110 | ||
f444de05 | 2111 | if (!netdev) { |
878d9ec7 JB |
2112 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2113 | info->attrs); | |
5fe231e8 | 2114 | if (IS_ERR(rdev)) |
4c476991 | 2115 | return PTR_ERR(rdev); |
f444de05 JB |
2116 | wdev = NULL; |
2117 | netdev = NULL; | |
2118 | result = 0; | |
71fe96bf | 2119 | } else |
f444de05 | 2120 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2121 | |
2122 | /* | |
2123 | * end workaround code, by now the rdev is available | |
2124 | * and locked, and wdev may or may not be NULL. | |
2125 | */ | |
4bbf4d56 JB |
2126 | |
2127 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2128 | result = cfg80211_dev_rename( |
2129 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2130 | |
4bbf4d56 | 2131 | if (result) |
7f2b8562 | 2132 | return result; |
31888487 JM |
2133 | |
2134 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2135 | struct ieee80211_txq_params txq_params; | |
2136 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2137 | ||
7f2b8562 YX |
2138 | if (!rdev->ops->set_txq_params) |
2139 | return -EOPNOTSUPP; | |
31888487 | 2140 | |
7f2b8562 YX |
2141 | if (!netdev) |
2142 | return -EINVAL; | |
f70f01c2 | 2143 | |
133a3ff2 | 2144 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2145 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2146 | return -EINVAL; | |
133a3ff2 | 2147 | |
7f2b8562 YX |
2148 | if (!netif_running(netdev)) |
2149 | return -ENETDOWN; | |
2b5f8b0b | 2150 | |
31888487 JM |
2151 | nla_for_each_nested(nl_txq_params, |
2152 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2153 | rem_txq_params) { | |
ae811e21 JB |
2154 | result = nla_parse(tb, NL80211_TXQ_ATTR_MAX, |
2155 | nla_data(nl_txq_params), | |
2156 | nla_len(nl_txq_params), | |
2157 | txq_params_policy); | |
2158 | if (result) | |
2159 | return result; | |
31888487 JM |
2160 | result = parse_txq_params(tb, &txq_params); |
2161 | if (result) | |
7f2b8562 | 2162 | return result; |
31888487 | 2163 | |
e35e4d28 HG |
2164 | result = rdev_set_txq_params(rdev, netdev, |
2165 | &txq_params); | |
31888487 | 2166 | if (result) |
7f2b8562 | 2167 | return result; |
31888487 JM |
2168 | } |
2169 | } | |
55682965 | 2170 | |
72bdcf34 | 2171 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2172 | result = __nl80211_set_channel( |
2173 | rdev, | |
2174 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2175 | info); | |
72bdcf34 | 2176 | if (result) |
7f2b8562 | 2177 | return result; |
72bdcf34 JM |
2178 | } |
2179 | ||
98d2ff8b | 2180 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2181 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2182 | enum nl80211_tx_power_setting type; |
2183 | int idx, mbm = 0; | |
2184 | ||
c8442118 JB |
2185 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2186 | txp_wdev = NULL; | |
2187 | ||
7f2b8562 YX |
2188 | if (!rdev->ops->set_tx_power) |
2189 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2190 | |
2191 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2192 | type = nla_get_u32(info->attrs[idx]); | |
2193 | ||
2194 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2195 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2196 | return -EINVAL; | |
98d2ff8b JO |
2197 | |
2198 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2199 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2200 | mbm = nla_get_u32(info->attrs[idx]); | |
2201 | } | |
2202 | ||
c8442118 | 2203 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2204 | if (result) |
7f2b8562 | 2205 | return result; |
98d2ff8b JO |
2206 | } |
2207 | ||
afe0cbf8 BR |
2208 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2209 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2210 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2211 | if ((!rdev->wiphy.available_antennas_tx && |
2212 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2213 | !rdev->ops->set_antenna) |
2214 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2215 | |
2216 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2217 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2218 | ||
a7ffac95 | 2219 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2220 | * available antenna masks, except for the "all" mask */ |
2221 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2222 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2223 | return -EINVAL; | |
a7ffac95 | 2224 | |
7f531e03 BR |
2225 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2226 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2227 | |
e35e4d28 | 2228 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2229 | if (result) |
7f2b8562 | 2230 | return result; |
afe0cbf8 BR |
2231 | } |
2232 | ||
b9a5f8ca JM |
2233 | changed = 0; |
2234 | ||
2235 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2236 | retry_short = nla_get_u8( | |
2237 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2238 | if (retry_short == 0) |
2239 | return -EINVAL; | |
2240 | ||
b9a5f8ca JM |
2241 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2242 | } | |
2243 | ||
2244 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2245 | retry_long = nla_get_u8( | |
2246 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2247 | if (retry_long == 0) |
2248 | return -EINVAL; | |
2249 | ||
b9a5f8ca JM |
2250 | changed |= WIPHY_PARAM_RETRY_LONG; |
2251 | } | |
2252 | ||
2253 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2254 | frag_threshold = nla_get_u32( | |
2255 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2256 | if (frag_threshold < 256) |
2257 | return -EINVAL; | |
2258 | ||
b9a5f8ca JM |
2259 | if (frag_threshold != (u32) -1) { |
2260 | /* | |
2261 | * Fragments (apart from the last one) are required to | |
2262 | * have even length. Make the fragmentation code | |
2263 | * simpler by stripping LSB should someone try to use | |
2264 | * odd threshold value. | |
2265 | */ | |
2266 | frag_threshold &= ~0x1; | |
2267 | } | |
2268 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2269 | } | |
2270 | ||
2271 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2272 | rts_threshold = nla_get_u32( | |
2273 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2274 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2275 | } | |
2276 | ||
81077e82 | 2277 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2278 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2279 | return -EINVAL; | |
2280 | ||
81077e82 LT |
2281 | coverage_class = nla_get_u8( |
2282 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2283 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2284 | } | |
2285 | ||
3057dbfd LB |
2286 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
2287 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2288 | return -EOPNOTSUPP; | |
2289 | ||
2290 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2291 | } |
2292 | ||
b9a5f8ca JM |
2293 | if (changed) { |
2294 | u8 old_retry_short, old_retry_long; | |
2295 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2296 | u8 old_coverage_class; |
b9a5f8ca | 2297 | |
7f2b8562 YX |
2298 | if (!rdev->ops->set_wiphy_params) |
2299 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2300 | |
2301 | old_retry_short = rdev->wiphy.retry_short; | |
2302 | old_retry_long = rdev->wiphy.retry_long; | |
2303 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2304 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2305 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2306 | |
2307 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2308 | rdev->wiphy.retry_short = retry_short; | |
2309 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2310 | rdev->wiphy.retry_long = retry_long; | |
2311 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2312 | rdev->wiphy.frag_threshold = frag_threshold; | |
2313 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2314 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2315 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2316 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2317 | |
e35e4d28 | 2318 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2319 | if (result) { |
2320 | rdev->wiphy.retry_short = old_retry_short; | |
2321 | rdev->wiphy.retry_long = old_retry_long; | |
2322 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2323 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2324 | rdev->wiphy.coverage_class = old_coverage_class; |
9189ee31 | 2325 | return result; |
b9a5f8ca JM |
2326 | } |
2327 | } | |
7f2b8562 | 2328 | return 0; |
55682965 JB |
2329 | } |
2330 | ||
71bbc994 JB |
2331 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2332 | { | |
2333 | return (u64)wdev->identifier | | |
f26cbf40 | 2334 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2335 | } |
55682965 | 2336 | |
683b6d3b | 2337 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2338 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2339 | { |
601555cd JB |
2340 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
2341 | return -EINVAL; | |
3d9d1d66 | 2342 | |
683b6d3b JB |
2343 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2344 | chandef->chan->center_freq)) | |
2345 | return -ENOBUFS; | |
3d9d1d66 JB |
2346 | switch (chandef->width) { |
2347 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2348 | case NL80211_CHAN_WIDTH_20: | |
2349 | case NL80211_CHAN_WIDTH_40: | |
2350 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2351 | cfg80211_get_chandef_type(chandef))) | |
2352 | return -ENOBUFS; | |
2353 | break; | |
2354 | default: | |
2355 | break; | |
2356 | } | |
2357 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2358 | return -ENOBUFS; | |
2359 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2360 | return -ENOBUFS; | |
2361 | if (chandef->center_freq2 && | |
2362 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2363 | return -ENOBUFS; |
2364 | return 0; | |
2365 | } | |
2366 | ||
15e47304 | 2367 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2368 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2369 | struct wireless_dev *wdev, bool removal) |
55682965 | 2370 | { |
72fb2abc | 2371 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2372 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2373 | void *hdr; |
2374 | ||
8f894be2 TB |
2375 | if (removal) |
2376 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2377 | ||
2378 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2379 | if (!hdr) |
2380 | return -1; | |
2381 | ||
72fb2abc JB |
2382 | if (dev && |
2383 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2384 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2385 | goto nla_put_failure; |
2386 | ||
2387 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2388 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2389 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2390 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2391 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2392 | rdev->devlist_generation ^ | |
2393 | (cfg80211_rdev_list_generation << 2))) | |
2394 | goto nla_put_failure; | |
f5ea9120 | 2395 | |
5b7ccaf3 | 2396 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2397 | int ret; |
2398 | struct cfg80211_chan_def chandef; | |
2399 | ||
2400 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2401 | if (ret == 0) { | |
2402 | if (nl80211_send_chandef(msg, &chandef)) | |
2403 | goto nla_put_failure; | |
2404 | } | |
d91df0e3 PF |
2405 | } |
2406 | ||
d55d0d59 RM |
2407 | if (rdev->ops->get_tx_power) { |
2408 | int dbm, ret; | |
2409 | ||
2410 | ret = rdev_get_tx_power(rdev, wdev, &dbm); | |
2411 | if (ret == 0 && | |
2412 | nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, | |
2413 | DBM_TO_MBM(dbm))) | |
2414 | goto nla_put_failure; | |
2415 | } | |
2416 | ||
b84e7a05 AQ |
2417 | if (wdev->ssid_len) { |
2418 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2419 | goto nla_put_failure; | |
2420 | } | |
2421 | ||
053c095a JB |
2422 | genlmsg_end(msg, hdr); |
2423 | return 0; | |
55682965 JB |
2424 | |
2425 | nla_put_failure: | |
bc3ed28c TG |
2426 | genlmsg_cancel(msg, hdr); |
2427 | return -EMSGSIZE; | |
55682965 JB |
2428 | } |
2429 | ||
2430 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2431 | { | |
2432 | int wp_idx = 0; | |
2433 | int if_idx = 0; | |
2434 | int wp_start = cb->args[0]; | |
2435 | int if_start = cb->args[1]; | |
f5ea9120 | 2436 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2437 | struct wireless_dev *wdev; |
2438 | ||
5fe231e8 | 2439 | rtnl_lock(); |
f5ea9120 JB |
2440 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2441 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2442 | continue; |
bba95fef JB |
2443 | if (wp_idx < wp_start) { |
2444 | wp_idx++; | |
55682965 | 2445 | continue; |
bba95fef | 2446 | } |
55682965 JB |
2447 | if_idx = 0; |
2448 | ||
89a54e48 | 2449 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2450 | if (if_idx < if_start) { |
2451 | if_idx++; | |
55682965 | 2452 | continue; |
bba95fef | 2453 | } |
15e47304 | 2454 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2455 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2456 | rdev, wdev, false) < 0) { |
bba95fef JB |
2457 | goto out; |
2458 | } | |
2459 | if_idx++; | |
55682965 | 2460 | } |
bba95fef JB |
2461 | |
2462 | wp_idx++; | |
55682965 | 2463 | } |
bba95fef | 2464 | out: |
5fe231e8 | 2465 | rtnl_unlock(); |
55682965 JB |
2466 | |
2467 | cb->args[0] = wp_idx; | |
2468 | cb->args[1] = if_idx; | |
2469 | ||
2470 | return skb->len; | |
2471 | } | |
2472 | ||
2473 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2474 | { | |
2475 | struct sk_buff *msg; | |
1b8ec87a | 2476 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2477 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2478 | |
fd2120ca | 2479 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2480 | if (!msg) |
4c476991 | 2481 | return -ENOMEM; |
55682965 | 2482 | |
15e47304 | 2483 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2484 | rdev, wdev, false) < 0) { |
4c476991 JB |
2485 | nlmsg_free(msg); |
2486 | return -ENOBUFS; | |
2487 | } | |
55682965 | 2488 | |
134e6375 | 2489 | return genlmsg_reply(msg, info); |
55682965 JB |
2490 | } |
2491 | ||
66f7ac50 MW |
2492 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2493 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2494 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2495 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2496 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2497 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2498 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2499 | }; |
2500 | ||
2501 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2502 | { | |
2503 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2504 | int flag; | |
2505 | ||
2506 | *mntrflags = 0; | |
2507 | ||
2508 | if (!nla) | |
2509 | return -EINVAL; | |
2510 | ||
2511 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2512 | nla, mntr_flags_policy)) | |
2513 | return -EINVAL; | |
2514 | ||
2515 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2516 | if (flags[flag]) | |
2517 | *mntrflags |= (1<<flag); | |
2518 | ||
2519 | return 0; | |
2520 | } | |
2521 | ||
9bc383de | 2522 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2523 | struct net_device *netdev, u8 use_4addr, |
2524 | enum nl80211_iftype iftype) | |
9bc383de | 2525 | { |
ad4bb6f8 | 2526 | if (!use_4addr) { |
f350a0a8 | 2527 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2528 | return -EBUSY; |
9bc383de | 2529 | return 0; |
ad4bb6f8 | 2530 | } |
9bc383de JB |
2531 | |
2532 | switch (iftype) { | |
2533 | case NL80211_IFTYPE_AP_VLAN: | |
2534 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2535 | return 0; | |
2536 | break; | |
2537 | case NL80211_IFTYPE_STATION: | |
2538 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2539 | return 0; | |
2540 | break; | |
2541 | default: | |
2542 | break; | |
2543 | } | |
2544 | ||
2545 | return -EOPNOTSUPP; | |
2546 | } | |
2547 | ||
55682965 JB |
2548 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2549 | { | |
4c476991 | 2550 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2551 | struct vif_params params; |
e36d56b6 | 2552 | int err; |
04a773ad | 2553 | enum nl80211_iftype otype, ntype; |
4c476991 | 2554 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2555 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2556 | bool change = false; |
55682965 | 2557 | |
2ec600d6 LCC |
2558 | memset(¶ms, 0, sizeof(params)); |
2559 | ||
04a773ad | 2560 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2561 | |
723b038d | 2562 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2563 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2564 | if (otype != ntype) |
ac7f9cfa | 2565 | change = true; |
4c476991 JB |
2566 | if (ntype > NL80211_IFTYPE_MAX) |
2567 | return -EINVAL; | |
723b038d JB |
2568 | } |
2569 | ||
92ffe055 | 2570 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2571 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2572 | ||
4c476991 JB |
2573 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2574 | return -EINVAL; | |
29cbe68c JB |
2575 | if (netif_running(dev)) |
2576 | return -EBUSY; | |
2577 | ||
2578 | wdev_lock(wdev); | |
2579 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2580 | IEEE80211_MAX_MESH_ID_LEN); | |
2581 | wdev->mesh_id_up_len = | |
2582 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2583 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2584 | wdev->mesh_id_up_len); | |
2585 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2586 | } |
2587 | ||
8b787643 FF |
2588 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2589 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2590 | change = true; | |
ad4bb6f8 | 2591 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2592 | if (err) |
4c476991 | 2593 | return err; |
8b787643 FF |
2594 | } else { |
2595 | params.use_4addr = -1; | |
2596 | } | |
2597 | ||
92ffe055 | 2598 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2599 | if (ntype != NL80211_IFTYPE_MONITOR) |
2600 | return -EINVAL; | |
92ffe055 JB |
2601 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2602 | &_flags); | |
ac7f9cfa | 2603 | if (err) |
4c476991 | 2604 | return err; |
ac7f9cfa JB |
2605 | |
2606 | flags = &_flags; | |
2607 | change = true; | |
92ffe055 | 2608 | } |
3b85875a | 2609 | |
18003297 | 2610 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2611 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2612 | return -EOPNOTSUPP; | |
2613 | ||
ac7f9cfa | 2614 | if (change) |
3d54d255 | 2615 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2616 | else |
2617 | err = 0; | |
60719ffd | 2618 | |
9bc383de JB |
2619 | if (!err && params.use_4addr != -1) |
2620 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2621 | ||
55682965 JB |
2622 | return err; |
2623 | } | |
2624 | ||
2625 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2626 | { | |
4c476991 | 2627 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2628 | struct vif_params params; |
84efbb84 | 2629 | struct wireless_dev *wdev; |
8f894be2 | 2630 | struct sk_buff *msg, *event; |
55682965 JB |
2631 | int err; |
2632 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2633 | u32 flags; |
55682965 | 2634 | |
78f22b6a JB |
2635 | /* to avoid failing a new interface creation due to pending removal */ |
2636 | cfg80211_destroy_ifaces(rdev); | |
2637 | ||
2ec600d6 LCC |
2638 | memset(¶ms, 0, sizeof(params)); |
2639 | ||
55682965 JB |
2640 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2641 | return -EINVAL; | |
2642 | ||
2643 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2644 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2645 | if (type > NL80211_IFTYPE_MAX) | |
2646 | return -EINVAL; | |
2647 | } | |
2648 | ||
79c97e97 | 2649 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2650 | !(rdev->wiphy.interface_modes & (1 << type))) |
2651 | return -EOPNOTSUPP; | |
55682965 | 2652 | |
e8f479b1 BG |
2653 | if ((type == NL80211_IFTYPE_P2P_DEVICE || |
2654 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && | |
2655 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
2656 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
2657 | ETH_ALEN); | |
2658 | if (!is_valid_ether_addr(params.macaddr)) | |
2659 | return -EADDRNOTAVAIL; | |
2660 | } | |
2661 | ||
9bc383de | 2662 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2663 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2664 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2665 | if (err) |
4c476991 | 2666 | return err; |
9bc383de | 2667 | } |
8b787643 | 2668 | |
66f7ac50 MW |
2669 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2670 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2671 | &flags); | |
e057d3c3 | 2672 | |
18003297 | 2673 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2674 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2675 | return -EOPNOTSUPP; | |
2676 | ||
a18c7192 JB |
2677 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2678 | if (!msg) | |
2679 | return -ENOMEM; | |
2680 | ||
e35e4d28 HG |
2681 | wdev = rdev_add_virtual_intf(rdev, |
2682 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
6bab2e19 TG |
2683 | NET_NAME_USER, type, err ? NULL : &flags, |
2684 | ¶ms); | |
d687cbb7 RM |
2685 | if (WARN_ON(!wdev)) { |
2686 | nlmsg_free(msg); | |
2687 | return -EPROTO; | |
2688 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 2689 | nlmsg_free(msg); |
84efbb84 | 2690 | return PTR_ERR(wdev); |
1c90f9d4 | 2691 | } |
2ec600d6 | 2692 | |
18e5ca65 | 2693 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
2694 | wdev->owner_nlportid = info->snd_portid; |
2695 | ||
98104fde JB |
2696 | switch (type) { |
2697 | case NL80211_IFTYPE_MESH_POINT: | |
2698 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2699 | break; | |
29cbe68c JB |
2700 | wdev_lock(wdev); |
2701 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2702 | IEEE80211_MAX_MESH_ID_LEN); | |
2703 | wdev->mesh_id_up_len = | |
2704 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2705 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2706 | wdev->mesh_id_up_len); | |
2707 | wdev_unlock(wdev); | |
98104fde JB |
2708 | break; |
2709 | case NL80211_IFTYPE_P2P_DEVICE: | |
2710 | /* | |
2711 | * P2P Device doesn't have a netdev, so doesn't go | |
2712 | * through the netdev notifier and must be added here | |
2713 | */ | |
2714 | mutex_init(&wdev->mtx); | |
2715 | INIT_LIST_HEAD(&wdev->event_list); | |
2716 | spin_lock_init(&wdev->event_lock); | |
2717 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2718 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2719 | ||
98104fde JB |
2720 | wdev->identifier = ++rdev->wdev_id; |
2721 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2722 | rdev->devlist_generation++; | |
98104fde JB |
2723 | break; |
2724 | default: | |
2725 | break; | |
29cbe68c JB |
2726 | } |
2727 | ||
15e47304 | 2728 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2729 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
2730 | nlmsg_free(msg); |
2731 | return -ENOBUFS; | |
2732 | } | |
2733 | ||
8f894be2 TB |
2734 | event = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2735 | if (event) { | |
2736 | if (nl80211_send_iface(event, 0, 0, 0, | |
2737 | rdev, wdev, false) < 0) { | |
2738 | nlmsg_free(event); | |
2739 | goto out; | |
2740 | } | |
2741 | ||
2742 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
2743 | event, 0, NL80211_MCGRP_CONFIG, | |
2744 | GFP_KERNEL); | |
2745 | } | |
2746 | ||
2747 | out: | |
1c90f9d4 | 2748 | return genlmsg_reply(msg, info); |
55682965 JB |
2749 | } |
2750 | ||
2751 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2752 | { | |
4c476991 | 2753 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2754 | struct wireless_dev *wdev = info->user_ptr[1]; |
8f894be2 TB |
2755 | struct sk_buff *msg; |
2756 | int status; | |
55682965 | 2757 | |
4c476991 JB |
2758 | if (!rdev->ops->del_virtual_intf) |
2759 | return -EOPNOTSUPP; | |
55682965 | 2760 | |
8f894be2 TB |
2761 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2762 | if (msg && nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, true) < 0) { | |
2763 | nlmsg_free(msg); | |
2764 | msg = NULL; | |
2765 | } | |
2766 | ||
84efbb84 JB |
2767 | /* |
2768 | * If we remove a wireless device without a netdev then clear | |
2769 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2770 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2771 | * since the wdev has been freed, unlike with a netdev where | |
2772 | * we need the dev_put() for the netdev to really be freed. | |
2773 | */ | |
2774 | if (!wdev->netdev) | |
2775 | info->user_ptr[1] = NULL; | |
2776 | ||
8f894be2 TB |
2777 | status = rdev_del_virtual_intf(rdev, wdev); |
2778 | if (status >= 0 && msg) | |
2779 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
2780 | msg, 0, NL80211_MCGRP_CONFIG, | |
2781 | GFP_KERNEL); | |
2782 | else | |
2783 | nlmsg_free(msg); | |
2784 | ||
2785 | return status; | |
55682965 JB |
2786 | } |
2787 | ||
1d9d9213 SW |
2788 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2789 | { | |
2790 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2791 | struct net_device *dev = info->user_ptr[1]; | |
2792 | u16 noack_map; | |
2793 | ||
2794 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2795 | return -EINVAL; | |
2796 | ||
2797 | if (!rdev->ops->set_noack_map) | |
2798 | return -EOPNOTSUPP; | |
2799 | ||
2800 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2801 | ||
e35e4d28 | 2802 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2803 | } |
2804 | ||
41ade00f JB |
2805 | struct get_key_cookie { |
2806 | struct sk_buff *msg; | |
2807 | int error; | |
b9454e83 | 2808 | int idx; |
41ade00f JB |
2809 | }; |
2810 | ||
2811 | static void get_key_callback(void *c, struct key_params *params) | |
2812 | { | |
b9454e83 | 2813 | struct nlattr *key; |
41ade00f JB |
2814 | struct get_key_cookie *cookie = c; |
2815 | ||
9360ffd1 DM |
2816 | if ((params->key && |
2817 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2818 | params->key_len, params->key)) || | |
2819 | (params->seq && | |
2820 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2821 | params->seq_len, params->seq)) || | |
2822 | (params->cipher && | |
2823 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2824 | params->cipher))) | |
2825 | goto nla_put_failure; | |
41ade00f | 2826 | |
b9454e83 JB |
2827 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2828 | if (!key) | |
2829 | goto nla_put_failure; | |
2830 | ||
9360ffd1 DM |
2831 | if ((params->key && |
2832 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2833 | params->key_len, params->key)) || | |
2834 | (params->seq && | |
2835 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2836 | params->seq_len, params->seq)) || | |
2837 | (params->cipher && | |
2838 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2839 | params->cipher))) | |
2840 | goto nla_put_failure; | |
b9454e83 | 2841 | |
9360ffd1 DM |
2842 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2843 | goto nla_put_failure; | |
b9454e83 JB |
2844 | |
2845 | nla_nest_end(cookie->msg, key); | |
2846 | ||
41ade00f JB |
2847 | return; |
2848 | nla_put_failure: | |
2849 | cookie->error = 1; | |
2850 | } | |
2851 | ||
2852 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2853 | { | |
4c476991 | 2854 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2855 | int err; |
4c476991 | 2856 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2857 | u8 key_idx = 0; |
e31b8213 JB |
2858 | const u8 *mac_addr = NULL; |
2859 | bool pairwise; | |
41ade00f JB |
2860 | struct get_key_cookie cookie = { |
2861 | .error = 0, | |
2862 | }; | |
2863 | void *hdr; | |
2864 | struct sk_buff *msg; | |
2865 | ||
2866 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2867 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2868 | ||
3cfcf6ac | 2869 | if (key_idx > 5) |
41ade00f JB |
2870 | return -EINVAL; |
2871 | ||
2872 | if (info->attrs[NL80211_ATTR_MAC]) | |
2873 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2874 | ||
e31b8213 JB |
2875 | pairwise = !!mac_addr; |
2876 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2877 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2878 | if (kt >= NUM_NL80211_KEYTYPES) | |
2879 | return -EINVAL; | |
2880 | if (kt != NL80211_KEYTYPE_GROUP && | |
2881 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2882 | return -EINVAL; | |
2883 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2884 | } | |
2885 | ||
4c476991 JB |
2886 | if (!rdev->ops->get_key) |
2887 | return -EOPNOTSUPP; | |
41ade00f | 2888 | |
0fa7b391 JB |
2889 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
2890 | return -ENOENT; | |
2891 | ||
fd2120ca | 2892 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2893 | if (!msg) |
2894 | return -ENOMEM; | |
41ade00f | 2895 | |
15e47304 | 2896 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2897 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 2898 | if (!hdr) |
9fe271af | 2899 | goto nla_put_failure; |
41ade00f JB |
2900 | |
2901 | cookie.msg = msg; | |
b9454e83 | 2902 | cookie.idx = key_idx; |
41ade00f | 2903 | |
9360ffd1 DM |
2904 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2905 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2906 | goto nla_put_failure; | |
2907 | if (mac_addr && | |
2908 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2909 | goto nla_put_failure; | |
41ade00f | 2910 | |
e35e4d28 HG |
2911 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2912 | get_key_callback); | |
41ade00f JB |
2913 | |
2914 | if (err) | |
6c95e2a2 | 2915 | goto free_msg; |
41ade00f JB |
2916 | |
2917 | if (cookie.error) | |
2918 | goto nla_put_failure; | |
2919 | ||
2920 | genlmsg_end(msg, hdr); | |
4c476991 | 2921 | return genlmsg_reply(msg, info); |
41ade00f JB |
2922 | |
2923 | nla_put_failure: | |
2924 | err = -ENOBUFS; | |
6c95e2a2 | 2925 | free_msg: |
41ade00f | 2926 | nlmsg_free(msg); |
41ade00f JB |
2927 | return err; |
2928 | } | |
2929 | ||
2930 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2931 | { | |
4c476991 | 2932 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2933 | struct key_parse key; |
41ade00f | 2934 | int err; |
4c476991 | 2935 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2936 | |
b9454e83 JB |
2937 | err = nl80211_parse_key(info, &key); |
2938 | if (err) | |
2939 | return err; | |
41ade00f | 2940 | |
b9454e83 | 2941 | if (key.idx < 0) |
41ade00f JB |
2942 | return -EINVAL; |
2943 | ||
b9454e83 JB |
2944 | /* only support setting default key */ |
2945 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2946 | return -EINVAL; |
2947 | ||
dbd2fd65 | 2948 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2949 | |
dbd2fd65 JB |
2950 | if (key.def) { |
2951 | if (!rdev->ops->set_default_key) { | |
2952 | err = -EOPNOTSUPP; | |
2953 | goto out; | |
2954 | } | |
41ade00f | 2955 | |
dbd2fd65 JB |
2956 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2957 | if (err) | |
2958 | goto out; | |
2959 | ||
e35e4d28 | 2960 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2961 | key.def_uni, key.def_multi); |
2962 | ||
2963 | if (err) | |
2964 | goto out; | |
fffd0934 | 2965 | |
3d23e349 | 2966 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2967 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2968 | #endif | |
2969 | } else { | |
2970 | if (key.def_uni || !key.def_multi) { | |
2971 | err = -EINVAL; | |
2972 | goto out; | |
2973 | } | |
2974 | ||
2975 | if (!rdev->ops->set_default_mgmt_key) { | |
2976 | err = -EOPNOTSUPP; | |
2977 | goto out; | |
2978 | } | |
2979 | ||
2980 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2981 | if (err) | |
2982 | goto out; | |
2983 | ||
e35e4d28 | 2984 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2985 | if (err) |
2986 | goto out; | |
2987 | ||
2988 | #ifdef CONFIG_CFG80211_WEXT | |
2989 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2990 | #endif |
dbd2fd65 JB |
2991 | } |
2992 | ||
2993 | out: | |
fffd0934 | 2994 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2995 | |
41ade00f JB |
2996 | return err; |
2997 | } | |
2998 | ||
2999 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
3000 | { | |
4c476991 | 3001 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 3002 | int err; |
4c476991 | 3003 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 3004 | struct key_parse key; |
e31b8213 | 3005 | const u8 *mac_addr = NULL; |
41ade00f | 3006 | |
b9454e83 JB |
3007 | err = nl80211_parse_key(info, &key); |
3008 | if (err) | |
3009 | return err; | |
41ade00f | 3010 | |
b9454e83 | 3011 | if (!key.p.key) |
41ade00f JB |
3012 | return -EINVAL; |
3013 | ||
41ade00f JB |
3014 | if (info->attrs[NL80211_ATTR_MAC]) |
3015 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3016 | ||
e31b8213 JB |
3017 | if (key.type == -1) { |
3018 | if (mac_addr) | |
3019 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3020 | else | |
3021 | key.type = NL80211_KEYTYPE_GROUP; | |
3022 | } | |
3023 | ||
3024 | /* for now */ | |
3025 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3026 | key.type != NL80211_KEYTYPE_GROUP) | |
3027 | return -EINVAL; | |
3028 | ||
4c476991 JB |
3029 | if (!rdev->ops->add_key) |
3030 | return -EOPNOTSUPP; | |
25e47c18 | 3031 | |
e31b8213 JB |
3032 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3033 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3034 | mac_addr)) | |
4c476991 | 3035 | return -EINVAL; |
41ade00f | 3036 | |
fffd0934 JB |
3037 | wdev_lock(dev->ieee80211_ptr); |
3038 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3039 | if (!err) | |
e35e4d28 HG |
3040 | err = rdev_add_key(rdev, dev, key.idx, |
3041 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3042 | mac_addr, &key.p); | |
fffd0934 | 3043 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3044 | |
41ade00f JB |
3045 | return err; |
3046 | } | |
3047 | ||
3048 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3049 | { | |
4c476991 | 3050 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3051 | int err; |
4c476991 | 3052 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3053 | u8 *mac_addr = NULL; |
b9454e83 | 3054 | struct key_parse key; |
41ade00f | 3055 | |
b9454e83 JB |
3056 | err = nl80211_parse_key(info, &key); |
3057 | if (err) | |
3058 | return err; | |
41ade00f JB |
3059 | |
3060 | if (info->attrs[NL80211_ATTR_MAC]) | |
3061 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3062 | ||
e31b8213 JB |
3063 | if (key.type == -1) { |
3064 | if (mac_addr) | |
3065 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3066 | else | |
3067 | key.type = NL80211_KEYTYPE_GROUP; | |
3068 | } | |
3069 | ||
3070 | /* for now */ | |
3071 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3072 | key.type != NL80211_KEYTYPE_GROUP) | |
3073 | return -EINVAL; | |
3074 | ||
4c476991 JB |
3075 | if (!rdev->ops->del_key) |
3076 | return -EOPNOTSUPP; | |
41ade00f | 3077 | |
fffd0934 JB |
3078 | wdev_lock(dev->ieee80211_ptr); |
3079 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 | 3080 | |
0fa7b391 | 3081 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
e31b8213 JB |
3082 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3083 | err = -ENOENT; | |
3084 | ||
fffd0934 | 3085 | if (!err) |
e35e4d28 HG |
3086 | err = rdev_del_key(rdev, dev, key.idx, |
3087 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3088 | mac_addr); | |
41ade00f | 3089 | |
3d23e349 | 3090 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3091 | if (!err) { |
b9454e83 | 3092 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3093 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3094 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3095 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3096 | } | |
3097 | #endif | |
fffd0934 | 3098 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3099 | |
41ade00f JB |
3100 | return err; |
3101 | } | |
3102 | ||
77765eaf VT |
3103 | /* This function returns an error or the number of nested attributes */ |
3104 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3105 | { | |
3106 | struct nlattr *attr; | |
3107 | int n_entries = 0, tmp; | |
3108 | ||
3109 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3110 | if (nla_len(attr) != ETH_ALEN) | |
3111 | return -EINVAL; | |
3112 | ||
3113 | n_entries++; | |
3114 | } | |
3115 | ||
3116 | return n_entries; | |
3117 | } | |
3118 | ||
3119 | /* | |
3120 | * This function parses ACL information and allocates memory for ACL data. | |
3121 | * On successful return, the calling function is responsible to free the | |
3122 | * ACL buffer returned by this function. | |
3123 | */ | |
3124 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3125 | struct genl_info *info) | |
3126 | { | |
3127 | enum nl80211_acl_policy acl_policy; | |
3128 | struct nlattr *attr; | |
3129 | struct cfg80211_acl_data *acl; | |
3130 | int i = 0, n_entries, tmp; | |
3131 | ||
3132 | if (!wiphy->max_acl_mac_addrs) | |
3133 | return ERR_PTR(-EOPNOTSUPP); | |
3134 | ||
3135 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3136 | return ERR_PTR(-EINVAL); | |
3137 | ||
3138 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3139 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3140 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3141 | return ERR_PTR(-EINVAL); | |
3142 | ||
3143 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3144 | return ERR_PTR(-EINVAL); | |
3145 | ||
3146 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3147 | if (n_entries < 0) | |
3148 | return ERR_PTR(n_entries); | |
3149 | ||
3150 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3151 | return ERR_PTR(-ENOTSUPP); | |
3152 | ||
3153 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3154 | GFP_KERNEL); | |
3155 | if (!acl) | |
3156 | return ERR_PTR(-ENOMEM); | |
3157 | ||
3158 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3159 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3160 | i++; | |
3161 | } | |
3162 | ||
3163 | acl->n_acl_entries = n_entries; | |
3164 | acl->acl_policy = acl_policy; | |
3165 | ||
3166 | return acl; | |
3167 | } | |
3168 | ||
3169 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3170 | { | |
3171 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3172 | struct net_device *dev = info->user_ptr[1]; | |
3173 | struct cfg80211_acl_data *acl; | |
3174 | int err; | |
3175 | ||
3176 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3177 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3178 | return -EOPNOTSUPP; | |
3179 | ||
3180 | if (!dev->ieee80211_ptr->beacon_interval) | |
3181 | return -EINVAL; | |
3182 | ||
3183 | acl = parse_acl_data(&rdev->wiphy, info); | |
3184 | if (IS_ERR(acl)) | |
3185 | return PTR_ERR(acl); | |
3186 | ||
3187 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3188 | ||
3189 | kfree(acl); | |
3190 | ||
3191 | return err; | |
3192 | } | |
3193 | ||
a1193be8 | 3194 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3195 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3196 | { |
8860020e | 3197 | bool haveinfo = false; |
ed1b6cc7 | 3198 | |
a1193be8 SW |
3199 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3200 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3201 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3202 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3203 | return -EINVAL; |
3204 | ||
8860020e | 3205 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3206 | |
a1193be8 SW |
3207 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3208 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3209 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3210 | if (!bcn->head_len) |
3211 | return -EINVAL; | |
3212 | haveinfo = true; | |
ed1b6cc7 JB |
3213 | } |
3214 | ||
a1193be8 SW |
3215 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3216 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3217 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3218 | haveinfo = true; |
ed1b6cc7 JB |
3219 | } |
3220 | ||
4c476991 JB |
3221 | if (!haveinfo) |
3222 | return -EINVAL; | |
3b85875a | 3223 | |
a1193be8 SW |
3224 | if (attrs[NL80211_ATTR_IE]) { |
3225 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3226 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3227 | } |
3228 | ||
a1193be8 | 3229 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3230 | bcn->proberesp_ies = |
a1193be8 | 3231 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3232 | bcn->proberesp_ies_len = |
a1193be8 | 3233 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3234 | } |
3235 | ||
a1193be8 | 3236 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3237 | bcn->assocresp_ies = |
a1193be8 | 3238 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3239 | bcn->assocresp_ies_len = |
a1193be8 | 3240 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3241 | } |
3242 | ||
a1193be8 SW |
3243 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3244 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3245 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3246 | } |
3247 | ||
8860020e JB |
3248 | return 0; |
3249 | } | |
3250 | ||
46c1dd0c FF |
3251 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3252 | struct cfg80211_ap_settings *params) | |
3253 | { | |
3254 | struct wireless_dev *wdev; | |
3255 | bool ret = false; | |
3256 | ||
89a54e48 | 3257 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3258 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3259 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3260 | continue; | |
3261 | ||
683b6d3b | 3262 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3263 | continue; |
3264 | ||
683b6d3b | 3265 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3266 | ret = true; |
3267 | break; | |
3268 | } | |
3269 | ||
46c1dd0c FF |
3270 | return ret; |
3271 | } | |
3272 | ||
e39e5b5e JM |
3273 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3274 | enum nl80211_auth_type auth_type, | |
3275 | enum nl80211_commands cmd) | |
3276 | { | |
3277 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3278 | return false; | |
3279 | ||
3280 | switch (cmd) { | |
3281 | case NL80211_CMD_AUTHENTICATE: | |
3282 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3283 | auth_type == NL80211_AUTHTYPE_SAE) | |
3284 | return false; | |
3285 | return true; | |
3286 | case NL80211_CMD_CONNECT: | |
3287 | case NL80211_CMD_START_AP: | |
3288 | /* SAE not supported yet */ | |
3289 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3290 | return false; | |
3291 | return true; | |
3292 | default: | |
3293 | return false; | |
3294 | } | |
3295 | } | |
3296 | ||
8860020e JB |
3297 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3298 | { | |
3299 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3300 | struct net_device *dev = info->user_ptr[1]; | |
3301 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3302 | struct cfg80211_ap_settings params; | |
3303 | int err; | |
3304 | ||
3305 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3306 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3307 | return -EOPNOTSUPP; | |
3308 | ||
3309 | if (!rdev->ops->start_ap) | |
3310 | return -EOPNOTSUPP; | |
3311 | ||
3312 | if (wdev->beacon_interval) | |
3313 | return -EALREADY; | |
3314 | ||
3315 | memset(¶ms, 0, sizeof(params)); | |
3316 | ||
3317 | /* these are required for START_AP */ | |
3318 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3319 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3320 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3321 | return -EINVAL; | |
3322 | ||
a1193be8 | 3323 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3324 | if (err) |
3325 | return err; | |
3326 | ||
3327 | params.beacon_interval = | |
3328 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3329 | params.dtim_period = | |
3330 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3331 | ||
3332 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3333 | if (err) | |
3334 | return err; | |
3335 | ||
3336 | /* | |
3337 | * In theory, some of these attributes should be required here | |
3338 | * but since they were not used when the command was originally | |
3339 | * added, keep them optional for old user space programs to let | |
3340 | * them continue to work with drivers that do not need the | |
3341 | * additional information -- drivers must check! | |
3342 | */ | |
3343 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3344 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3345 | params.ssid_len = | |
3346 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3347 | if (params.ssid_len == 0 || | |
3348 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3349 | return -EINVAL; | |
3350 | } | |
3351 | ||
3352 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3353 | params.hidden_ssid = nla_get_u32( | |
3354 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3355 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3356 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3357 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3358 | return -EINVAL; | |
3359 | } | |
3360 | ||
3361 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3362 | ||
3363 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3364 | params.auth_type = nla_get_u32( | |
3365 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3366 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3367 | NL80211_CMD_START_AP)) | |
8860020e JB |
3368 | return -EINVAL; |
3369 | } else | |
3370 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3371 | ||
3372 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3373 | NL80211_MAX_NR_CIPHER_SUITES); | |
3374 | if (err) | |
3375 | return err; | |
3376 | ||
1b658f11 VT |
3377 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3378 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3379 | return -EOPNOTSUPP; | |
3380 | params.inactivity_timeout = nla_get_u16( | |
3381 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3382 | } | |
3383 | ||
53cabad7 JB |
3384 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3385 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3386 | return -EINVAL; | |
3387 | params.p2p_ctwindow = | |
3388 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3389 | if (params.p2p_ctwindow > 127) | |
3390 | return -EINVAL; | |
3391 | if (params.p2p_ctwindow != 0 && | |
3392 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3393 | return -EINVAL; | |
3394 | } | |
3395 | ||
3396 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3397 | u8 tmp; | |
3398 | ||
3399 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3400 | return -EINVAL; | |
3401 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3402 | if (tmp > 1) | |
3403 | return -EINVAL; | |
3404 | params.p2p_opp_ps = tmp; | |
3405 | if (params.p2p_opp_ps != 0 && | |
3406 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3407 | return -EINVAL; | |
3408 | } | |
3409 | ||
aa430da4 | 3410 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3411 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3412 | if (err) | |
3413 | return err; | |
3414 | } else if (wdev->preset_chandef.chan) { | |
3415 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3416 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3417 | return -EINVAL; |
3418 | ||
923b352f AN |
3419 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
3420 | wdev->iftype)) | |
aa430da4 JB |
3421 | return -EINVAL; |
3422 | ||
77765eaf VT |
3423 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3424 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3425 | if (IS_ERR(params.acl)) | |
3426 | return PTR_ERR(params.acl); | |
3427 | } | |
3428 | ||
18998c38 EP |
3429 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
3430 | params.smps_mode = | |
3431 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
3432 | switch (params.smps_mode) { | |
3433 | case NL80211_SMPS_OFF: | |
3434 | break; | |
3435 | case NL80211_SMPS_STATIC: | |
3436 | if (!(rdev->wiphy.features & | |
3437 | NL80211_FEATURE_STATIC_SMPS)) | |
3438 | return -EINVAL; | |
3439 | break; | |
3440 | case NL80211_SMPS_DYNAMIC: | |
3441 | if (!(rdev->wiphy.features & | |
3442 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
3443 | return -EINVAL; | |
3444 | break; | |
3445 | default: | |
3446 | return -EINVAL; | |
3447 | } | |
3448 | } else { | |
3449 | params.smps_mode = NL80211_SMPS_OFF; | |
3450 | } | |
3451 | ||
c56589ed | 3452 | wdev_lock(wdev); |
e35e4d28 | 3453 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3454 | if (!err) { |
683b6d3b | 3455 | wdev->preset_chandef = params.chandef; |
8860020e | 3456 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 3457 | wdev->chandef = params.chandef; |
06e191e2 AQ |
3458 | wdev->ssid_len = params.ssid_len; |
3459 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3460 | } |
c56589ed | 3461 | wdev_unlock(wdev); |
77765eaf VT |
3462 | |
3463 | kfree(params.acl); | |
3464 | ||
56d1893d | 3465 | return err; |
ed1b6cc7 JB |
3466 | } |
3467 | ||
8860020e JB |
3468 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3469 | { | |
3470 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3471 | struct net_device *dev = info->user_ptr[1]; | |
3472 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3473 | struct cfg80211_beacon_data params; | |
3474 | int err; | |
3475 | ||
3476 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3477 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3478 | return -EOPNOTSUPP; | |
3479 | ||
3480 | if (!rdev->ops->change_beacon) | |
3481 | return -EOPNOTSUPP; | |
3482 | ||
3483 | if (!wdev->beacon_interval) | |
3484 | return -EINVAL; | |
3485 | ||
a1193be8 | 3486 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3487 | if (err) |
3488 | return err; | |
3489 | ||
c56589ed SW |
3490 | wdev_lock(wdev); |
3491 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3492 | wdev_unlock(wdev); | |
3493 | ||
3494 | return err; | |
8860020e JB |
3495 | } |
3496 | ||
3497 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3498 | { |
4c476991 JB |
3499 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3500 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3501 | |
7c8d5e03 | 3502 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
3503 | } |
3504 | ||
5727ef1b JB |
3505 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3506 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3507 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3508 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3509 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3510 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3511 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3512 | }; |
3513 | ||
eccb8e8f | 3514 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3515 | enum nl80211_iftype iftype, |
eccb8e8f | 3516 | struct station_parameters *params) |
5727ef1b JB |
3517 | { |
3518 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3519 | struct nlattr *nla; |
5727ef1b JB |
3520 | int flag; |
3521 | ||
eccb8e8f JB |
3522 | /* |
3523 | * Try parsing the new attribute first so userspace | |
3524 | * can specify both for older kernels. | |
3525 | */ | |
3526 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3527 | if (nla) { | |
3528 | struct nl80211_sta_flag_update *sta_flags; | |
3529 | ||
3530 | sta_flags = nla_data(nla); | |
3531 | params->sta_flags_mask = sta_flags->mask; | |
3532 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3533 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3534 | if ((params->sta_flags_mask | |
3535 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3536 | return -EINVAL; | |
3537 | return 0; | |
3538 | } | |
3539 | ||
3540 | /* if present, parse the old attribute */ | |
5727ef1b | 3541 | |
eccb8e8f | 3542 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3543 | if (!nla) |
3544 | return 0; | |
3545 | ||
3546 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3547 | nla, sta_flags_policy)) | |
3548 | return -EINVAL; | |
3549 | ||
bdd3ae3d JB |
3550 | /* |
3551 | * Only allow certain flags for interface types so that | |
3552 | * other attributes are silently ignored. Remember that | |
3553 | * this is backward compatibility code with old userspace | |
3554 | * and shouldn't be hit in other cases anyway. | |
3555 | */ | |
3556 | switch (iftype) { | |
3557 | case NL80211_IFTYPE_AP: | |
3558 | case NL80211_IFTYPE_AP_VLAN: | |
3559 | case NL80211_IFTYPE_P2P_GO: | |
3560 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3561 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3562 | BIT(NL80211_STA_FLAG_WME) | | |
3563 | BIT(NL80211_STA_FLAG_MFP); | |
3564 | break; | |
3565 | case NL80211_IFTYPE_P2P_CLIENT: | |
3566 | case NL80211_IFTYPE_STATION: | |
3567 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3568 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3569 | break; | |
3570 | case NL80211_IFTYPE_MESH_POINT: | |
3571 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3572 | BIT(NL80211_STA_FLAG_MFP) | | |
3573 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3574 | default: | |
3575 | return -EINVAL; | |
3576 | } | |
5727ef1b | 3577 | |
3383b5a6 JB |
3578 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3579 | if (flags[flag]) { | |
eccb8e8f | 3580 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3581 | |
3383b5a6 JB |
3582 | /* no longer support new API additions in old API */ |
3583 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3584 | return -EINVAL; | |
3585 | } | |
3586 | } | |
3587 | ||
5727ef1b JB |
3588 | return 0; |
3589 | } | |
3590 | ||
c8dcfd8a FF |
3591 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3592 | int attr) | |
3593 | { | |
3594 | struct nlattr *rate; | |
8eb41c8d VK |
3595 | u32 bitrate; |
3596 | u16 bitrate_compat; | |
b51f3bee | 3597 | enum nl80211_attrs rate_flg; |
c8dcfd8a FF |
3598 | |
3599 | rate = nla_nest_start(msg, attr); | |
3600 | if (!rate) | |
db9c64cf | 3601 | return false; |
c8dcfd8a FF |
3602 | |
3603 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3604 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3605 | /* report 16-bit bitrate only if we can */ |
3606 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3607 | if (bitrate > 0 && |
3608 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3609 | return false; | |
3610 | if (bitrate_compat > 0 && | |
3611 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3612 | return false; | |
3613 | ||
b51f3bee JB |
3614 | switch (info->bw) { |
3615 | case RATE_INFO_BW_5: | |
3616 | rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH; | |
3617 | break; | |
3618 | case RATE_INFO_BW_10: | |
3619 | rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH; | |
3620 | break; | |
3621 | default: | |
3622 | WARN_ON(1); | |
3623 | /* fall through */ | |
3624 | case RATE_INFO_BW_20: | |
3625 | rate_flg = 0; | |
3626 | break; | |
3627 | case RATE_INFO_BW_40: | |
3628 | rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH; | |
3629 | break; | |
3630 | case RATE_INFO_BW_80: | |
3631 | rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH; | |
3632 | break; | |
3633 | case RATE_INFO_BW_160: | |
3634 | rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH; | |
3635 | break; | |
3636 | } | |
3637 | ||
3638 | if (rate_flg && nla_put_flag(msg, rate_flg)) | |
3639 | return false; | |
3640 | ||
db9c64cf JB |
3641 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
3642 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3643 | return false; | |
db9c64cf JB |
3644 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
3645 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3646 | return false; | |
3647 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3648 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3649 | return false; | |
3650 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3651 | return false; | |
db9c64cf JB |
3652 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
3653 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3654 | return false; | |
3655 | } | |
c8dcfd8a FF |
3656 | |
3657 | nla_nest_end(msg, rate); | |
3658 | return true; | |
c8dcfd8a FF |
3659 | } |
3660 | ||
119363c7 FF |
3661 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3662 | int id) | |
3663 | { | |
3664 | void *attr; | |
3665 | int i = 0; | |
3666 | ||
3667 | if (!mask) | |
3668 | return true; | |
3669 | ||
3670 | attr = nla_nest_start(msg, id); | |
3671 | if (!attr) | |
3672 | return false; | |
3673 | ||
3674 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3675 | if (!(mask & BIT(i))) | |
3676 | continue; | |
3677 | ||
3678 | if (nla_put_u8(msg, i, signal[i])) | |
3679 | return false; | |
3680 | } | |
3681 | ||
3682 | nla_nest_end(msg, attr); | |
3683 | ||
3684 | return true; | |
3685 | } | |
3686 | ||
cf5ead82 JB |
3687 | static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, |
3688 | u32 seq, int flags, | |
66266b3a JL |
3689 | struct cfg80211_registered_device *rdev, |
3690 | struct net_device *dev, | |
98b62183 | 3691 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3692 | { |
3693 | void *hdr; | |
f4263c98 | 3694 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3695 | |
cf5ead82 | 3696 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
fd5b74dc JB |
3697 | if (!hdr) |
3698 | return -1; | |
3699 | ||
9360ffd1 DM |
3700 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3701 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3702 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3703 | goto nla_put_failure; | |
f5ea9120 | 3704 | |
2ec600d6 LCC |
3705 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3706 | if (!sinfoattr) | |
fd5b74dc | 3707 | goto nla_put_failure; |
319090bf JB |
3708 | |
3709 | #define PUT_SINFO(attr, memb, type) do { \ | |
3710 | if (sinfo->filled & BIT(NL80211_STA_INFO_ ## attr) && \ | |
3711 | nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ | |
3712 | sinfo->memb)) \ | |
3713 | goto nla_put_failure; \ | |
3714 | } while (0) | |
3715 | ||
3716 | PUT_SINFO(CONNECTED_TIME, connected_time, u32); | |
3717 | PUT_SINFO(INACTIVE_TIME, inactive_time, u32); | |
3718 | ||
3719 | if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) | | |
3720 | BIT(NL80211_STA_INFO_RX_BYTES64)) && | |
9360ffd1 | 3721 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3722 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3723 | goto nla_put_failure; |
319090bf JB |
3724 | |
3725 | if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) | | |
3726 | BIT(NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 3727 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3728 | (u32)sinfo->tx_bytes)) |
3729 | goto nla_put_failure; | |
319090bf JB |
3730 | |
3731 | PUT_SINFO(RX_BYTES64, rx_bytes, u64); | |
3732 | PUT_SINFO(TX_BYTES64, tx_bytes, u64); | |
3733 | PUT_SINFO(LLID, llid, u16); | |
3734 | PUT_SINFO(PLID, plid, u16); | |
3735 | PUT_SINFO(PLINK_STATE, plink_state, u8); | |
3736 | ||
66266b3a JL |
3737 | switch (rdev->wiphy.signal_type) { |
3738 | case CFG80211_SIGNAL_TYPE_MBM: | |
319090bf JB |
3739 | PUT_SINFO(SIGNAL, signal, u8); |
3740 | PUT_SINFO(SIGNAL_AVG, signal_avg, u8); | |
66266b3a JL |
3741 | break; |
3742 | default: | |
3743 | break; | |
3744 | } | |
319090bf | 3745 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) { |
119363c7 FF |
3746 | if (!nl80211_put_signal(msg, sinfo->chains, |
3747 | sinfo->chain_signal, | |
3748 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3749 | goto nla_put_failure; | |
3750 | } | |
319090bf | 3751 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { |
119363c7 FF |
3752 | if (!nl80211_put_signal(msg, sinfo->chains, |
3753 | sinfo->chain_signal_avg, | |
3754 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3755 | goto nla_put_failure; | |
3756 | } | |
319090bf | 3757 | if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) { |
c8dcfd8a FF |
3758 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3759 | NL80211_STA_INFO_TX_BITRATE)) | |
3760 | goto nla_put_failure; | |
3761 | } | |
319090bf | 3762 | if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) { |
c8dcfd8a FF |
3763 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
3764 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3765 | goto nla_put_failure; |
420e7fab | 3766 | } |
319090bf JB |
3767 | |
3768 | PUT_SINFO(RX_PACKETS, rx_packets, u32); | |
3769 | PUT_SINFO(TX_PACKETS, tx_packets, u32); | |
3770 | PUT_SINFO(TX_RETRIES, tx_retries, u32); | |
3771 | PUT_SINFO(TX_FAILED, tx_failed, u32); | |
3772 | PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); | |
3773 | PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); | |
3774 | PUT_SINFO(LOCAL_PM, local_pm, u32); | |
3775 | PUT_SINFO(PEER_PM, peer_pm, u32); | |
3776 | PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); | |
3777 | ||
3778 | if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) { | |
f4263c98 PS |
3779 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); |
3780 | if (!bss_param) | |
3781 | goto nla_put_failure; | |
3782 | ||
9360ffd1 DM |
3783 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3784 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3785 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3786 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3787 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3788 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3789 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3790 | sinfo->bss_param.dtim_period) || | |
3791 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3792 | sinfo->bss_param.beacon_interval)) | |
3793 | goto nla_put_failure; | |
f4263c98 PS |
3794 | |
3795 | nla_nest_end(msg, bss_param); | |
3796 | } | |
319090bf | 3797 | if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) && |
9360ffd1 DM |
3798 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, |
3799 | sizeof(struct nl80211_sta_flag_update), | |
3800 | &sinfo->sta_flags)) | |
3801 | goto nla_put_failure; | |
319090bf JB |
3802 | |
3803 | PUT_SINFO(T_OFFSET, t_offset, u64); | |
3804 | PUT_SINFO(RX_DROP_MISC, rx_dropped_misc, u64); | |
a76b1942 JB |
3805 | PUT_SINFO(BEACON_RX, rx_beacon, u64); |
3806 | PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); | |
319090bf JB |
3807 | |
3808 | #undef PUT_SINFO | |
6de39808 JB |
3809 | |
3810 | if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) { | |
3811 | struct nlattr *tidsattr; | |
3812 | int tid; | |
3813 | ||
3814 | tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS); | |
3815 | if (!tidsattr) | |
3816 | goto nla_put_failure; | |
3817 | ||
3818 | for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { | |
3819 | struct cfg80211_tid_stats *tidstats; | |
3820 | struct nlattr *tidattr; | |
3821 | ||
3822 | tidstats = &sinfo->pertid[tid]; | |
3823 | ||
3824 | if (!tidstats->filled) | |
3825 | continue; | |
3826 | ||
3827 | tidattr = nla_nest_start(msg, tid + 1); | |
3828 | if (!tidattr) | |
3829 | goto nla_put_failure; | |
3830 | ||
3831 | #define PUT_TIDVAL(attr, memb, type) do { \ | |
3832 | if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ | |
3833 | nla_put_ ## type(msg, NL80211_TID_STATS_ ## attr, \ | |
3834 | tidstats->memb)) \ | |
3835 | goto nla_put_failure; \ | |
3836 | } while (0) | |
3837 | ||
3838 | PUT_TIDVAL(RX_MSDU, rx_msdu, u64); | |
3839 | PUT_TIDVAL(TX_MSDU, tx_msdu, u64); | |
3840 | PUT_TIDVAL(TX_MSDU_RETRIES, tx_msdu_retries, u64); | |
3841 | PUT_TIDVAL(TX_MSDU_FAILED, tx_msdu_failed, u64); | |
3842 | ||
3843 | #undef PUT_TIDVAL | |
3844 | nla_nest_end(msg, tidattr); | |
3845 | } | |
3846 | ||
3847 | nla_nest_end(msg, tidsattr); | |
3848 | } | |
3849 | ||
2ec600d6 | 3850 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3851 | |
319090bf | 3852 | if (sinfo->assoc_req_ies_len && |
9360ffd1 DM |
3853 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
3854 | sinfo->assoc_req_ies)) | |
3855 | goto nla_put_failure; | |
50d3dfb7 | 3856 | |
053c095a JB |
3857 | genlmsg_end(msg, hdr); |
3858 | return 0; | |
fd5b74dc JB |
3859 | |
3860 | nla_put_failure: | |
bc3ed28c TG |
3861 | genlmsg_cancel(msg, hdr); |
3862 | return -EMSGSIZE; | |
fd5b74dc JB |
3863 | } |
3864 | ||
2ec600d6 | 3865 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3866 | struct netlink_callback *cb) |
2ec600d6 | 3867 | { |
2ec600d6 | 3868 | struct station_info sinfo; |
1b8ec87a | 3869 | struct cfg80211_registered_device *rdev; |
97990a06 | 3870 | struct wireless_dev *wdev; |
2ec600d6 | 3871 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3872 | int sta_idx = cb->args[2]; |
2ec600d6 | 3873 | int err; |
2ec600d6 | 3874 | |
1b8ec87a | 3875 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
3876 | if (err) |
3877 | return err; | |
bba95fef | 3878 | |
97990a06 JB |
3879 | if (!wdev->netdev) { |
3880 | err = -EINVAL; | |
3881 | goto out_err; | |
3882 | } | |
3883 | ||
1b8ec87a | 3884 | if (!rdev->ops->dump_station) { |
eec60b03 | 3885 | err = -EOPNOTSUPP; |
bba95fef JB |
3886 | goto out_err; |
3887 | } | |
3888 | ||
bba95fef | 3889 | while (1) { |
f612cedf | 3890 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 3891 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 3892 | mac_addr, &sinfo); |
bba95fef JB |
3893 | if (err == -ENOENT) |
3894 | break; | |
3895 | if (err) | |
3b85875a | 3896 | goto out_err; |
bba95fef | 3897 | |
cf5ead82 | 3898 | if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, |
15e47304 | 3899 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3900 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 3901 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
3902 | &sinfo) < 0) |
3903 | goto out; | |
3904 | ||
3905 | sta_idx++; | |
3906 | } | |
3907 | ||
3908 | ||
3909 | out: | |
97990a06 | 3910 | cb->args[2] = sta_idx; |
bba95fef | 3911 | err = skb->len; |
bba95fef | 3912 | out_err: |
1b8ec87a | 3913 | nl80211_finish_wdev_dump(rdev); |
bba95fef JB |
3914 | |
3915 | return err; | |
2ec600d6 | 3916 | } |
fd5b74dc | 3917 | |
5727ef1b JB |
3918 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3919 | { | |
4c476991 JB |
3920 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3921 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3922 | struct station_info sinfo; |
fd5b74dc JB |
3923 | struct sk_buff *msg; |
3924 | u8 *mac_addr = NULL; | |
4c476991 | 3925 | int err; |
fd5b74dc | 3926 | |
2ec600d6 | 3927 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3928 | |
3929 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3930 | return -EINVAL; | |
3931 | ||
3932 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3933 | ||
4c476991 JB |
3934 | if (!rdev->ops->get_station) |
3935 | return -EOPNOTSUPP; | |
3b85875a | 3936 | |
e35e4d28 | 3937 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3938 | if (err) |
4c476991 | 3939 | return err; |
2ec600d6 | 3940 | |
fd2120ca | 3941 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3942 | if (!msg) |
4c476991 | 3943 | return -ENOMEM; |
fd5b74dc | 3944 | |
cf5ead82 JB |
3945 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, |
3946 | info->snd_portid, info->snd_seq, 0, | |
66266b3a | 3947 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3948 | nlmsg_free(msg); |
3949 | return -ENOBUFS; | |
3950 | } | |
3b85875a | 3951 | |
4c476991 | 3952 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3953 | } |
3954 | ||
77ee7c89 JB |
3955 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3956 | struct station_parameters *params, | |
3957 | enum cfg80211_station_type statype) | |
3958 | { | |
3959 | if (params->listen_interval != -1) | |
3960 | return -EINVAL; | |
c72e1140 AN |
3961 | if (params->aid && |
3962 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
77ee7c89 JB |
3963 | return -EINVAL; |
3964 | ||
3965 | /* When you run into this, adjust the code below for the new flag */ | |
3966 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3967 | ||
3968 | switch (statype) { | |
eef941e6 TP |
3969 | case CFG80211_STA_MESH_PEER_KERNEL: |
3970 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3971 | /* |
3972 | * No ignoring the TDLS flag here -- the userspace mesh | |
3973 | * code doesn't have the bug of including TDLS in the | |
3974 | * mask everywhere. | |
3975 | */ | |
3976 | if (params->sta_flags_mask & | |
3977 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3978 | BIT(NL80211_STA_FLAG_MFP) | | |
3979 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3980 | return -EINVAL; | |
3981 | break; | |
3982 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3983 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3984 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3985 | return -EINVAL; | |
3986 | /* ignore since it can't change */ | |
3987 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3988 | break; | |
3989 | default: | |
3990 | /* disallow mesh-specific things */ | |
3991 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3992 | return -EINVAL; | |
3993 | if (params->local_pm) | |
3994 | return -EINVAL; | |
3995 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3996 | return -EINVAL; | |
3997 | } | |
3998 | ||
3999 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
4000 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
4001 | /* TDLS can't be set, ... */ | |
4002 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4003 | return -EINVAL; | |
4004 | /* | |
4005 | * ... but don't bother the driver with it. This works around | |
4006 | * a hostapd/wpa_supplicant issue -- it always includes the | |
4007 | * TLDS_PEER flag in the mask even for AP mode. | |
4008 | */ | |
4009 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4010 | } | |
4011 | ||
4012 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
4013 | /* reject other things that can't change */ | |
4014 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
4015 | return -EINVAL; | |
4016 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
4017 | return -EINVAL; | |
4018 | if (params->supported_rates) | |
4019 | return -EINVAL; | |
4020 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
4021 | return -EINVAL; | |
4022 | } | |
4023 | ||
4024 | if (statype != CFG80211_STA_AP_CLIENT) { | |
4025 | if (params->vlan) | |
4026 | return -EINVAL; | |
4027 | } | |
4028 | ||
4029 | switch (statype) { | |
4030 | case CFG80211_STA_AP_MLME_CLIENT: | |
4031 | /* Use this only for authorizing/unauthorizing a station */ | |
4032 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4033 | return -EOPNOTSUPP; | |
4034 | break; | |
4035 | case CFG80211_STA_AP_CLIENT: | |
4036 | /* accept only the listed bits */ | |
4037 | if (params->sta_flags_mask & | |
4038 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4039 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4040 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4041 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4042 | BIT(NL80211_STA_FLAG_WME) | | |
4043 | BIT(NL80211_STA_FLAG_MFP))) | |
4044 | return -EINVAL; | |
4045 | ||
4046 | /* but authenticated/associated only if driver handles it */ | |
4047 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4048 | params->sta_flags_mask & | |
4049 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4050 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4051 | return -EINVAL; | |
4052 | break; | |
4053 | case CFG80211_STA_IBSS: | |
4054 | case CFG80211_STA_AP_STA: | |
4055 | /* reject any changes other than AUTHORIZED */ | |
4056 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4057 | return -EINVAL; | |
4058 | break; | |
4059 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4060 | /* reject any changes other than AUTHORIZED or WME */ | |
4061 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4062 | BIT(NL80211_STA_FLAG_WME))) | |
4063 | return -EINVAL; | |
4064 | /* force (at least) rates when authorizing */ | |
4065 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4066 | !params->supported_rates) | |
4067 | return -EINVAL; | |
4068 | break; | |
4069 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4070 | /* reject any changes */ | |
4071 | return -EINVAL; | |
eef941e6 | 4072 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4073 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4074 | return -EINVAL; | |
4075 | break; | |
eef941e6 | 4076 | case CFG80211_STA_MESH_PEER_USER: |
42925040 CYY |
4077 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && |
4078 | params->plink_action != NL80211_PLINK_ACTION_BLOCK) | |
77ee7c89 JB |
4079 | return -EINVAL; |
4080 | break; | |
4081 | } | |
4082 | ||
4083 | return 0; | |
4084 | } | |
4085 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4086 | ||
5727ef1b | 4087 | /* |
c258d2de | 4088 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4089 | */ |
80b99899 JB |
4090 | static struct net_device *get_vlan(struct genl_info *info, |
4091 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4092 | { |
463d0183 | 4093 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4094 | struct net_device *v; |
4095 | int ret; | |
4096 | ||
4097 | if (!vlanattr) | |
4098 | return NULL; | |
4099 | ||
4100 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4101 | if (!v) | |
4102 | return ERR_PTR(-ENODEV); | |
4103 | ||
4104 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4105 | ret = -EINVAL; | |
4106 | goto error; | |
5727ef1b | 4107 | } |
80b99899 | 4108 | |
77ee7c89 JB |
4109 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4110 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4111 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4112 | ret = -EINVAL; | |
4113 | goto error; | |
4114 | } | |
4115 | ||
80b99899 JB |
4116 | if (!netif_running(v)) { |
4117 | ret = -ENETDOWN; | |
4118 | goto error; | |
4119 | } | |
4120 | ||
4121 | return v; | |
4122 | error: | |
4123 | dev_put(v); | |
4124 | return ERR_PTR(ret); | |
5727ef1b JB |
4125 | } |
4126 | ||
94e860f1 JB |
4127 | static const struct nla_policy |
4128 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4129 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4130 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4131 | }; | |
4132 | ||
ff276691 JB |
4133 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4134 | struct station_parameters *params) | |
df881293 | 4135 | { |
df881293 JM |
4136 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4137 | struct nlattr *nla; | |
4138 | int err; | |
4139 | ||
df881293 JM |
4140 | /* parse WME attributes if present */ |
4141 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4142 | return 0; | |
4143 | ||
4144 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4145 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4146 | nl80211_sta_wme_policy); | |
4147 | if (err) | |
4148 | return err; | |
4149 | ||
4150 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4151 | params->uapsd_queues = nla_get_u8( | |
4152 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4153 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4154 | return -EINVAL; | |
4155 | ||
4156 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4157 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4158 | ||
4159 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4160 | return -EINVAL; | |
4161 | ||
4162 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4163 | ||
4164 | return 0; | |
4165 | } | |
4166 | ||
c01fc9ad SD |
4167 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4168 | struct station_parameters *params) | |
4169 | { | |
4170 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4171 | params->supported_channels = | |
4172 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4173 | params->supported_channels_len = | |
4174 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4175 | /* | |
4176 | * Need to include at least one (first channel, number of | |
4177 | * channels) tuple for each subband, and must have proper | |
4178 | * tuples for the rest of the data as well. | |
4179 | */ | |
4180 | if (params->supported_channels_len < 2) | |
4181 | return -EINVAL; | |
4182 | if (params->supported_channels_len % 2) | |
4183 | return -EINVAL; | |
4184 | } | |
4185 | ||
4186 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4187 | params->supported_oper_classes = | |
4188 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4189 | params->supported_oper_classes_len = | |
4190 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4191 | /* | |
4192 | * The value of the Length field of the Supported Operating | |
4193 | * Classes element is between 2 and 253. | |
4194 | */ | |
4195 | if (params->supported_oper_classes_len < 2 || | |
4196 | params->supported_oper_classes_len > 253) | |
4197 | return -EINVAL; | |
4198 | } | |
4199 | return 0; | |
4200 | } | |
4201 | ||
ff276691 JB |
4202 | static int nl80211_set_station_tdls(struct genl_info *info, |
4203 | struct station_parameters *params) | |
4204 | { | |
c01fc9ad | 4205 | int err; |
ff276691 | 4206 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4207 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4208 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4209 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4210 | params->ht_capa = | |
4211 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4212 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4213 | params->vht_capa = | |
4214 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4215 | ||
c01fc9ad SD |
4216 | err = nl80211_parse_sta_channel_info(info, params); |
4217 | if (err) | |
4218 | return err; | |
4219 | ||
ff276691 JB |
4220 | return nl80211_parse_sta_wme(info, params); |
4221 | } | |
4222 | ||
5727ef1b JB |
4223 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4224 | { | |
4c476991 | 4225 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4226 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4227 | struct station_parameters params; |
77ee7c89 JB |
4228 | u8 *mac_addr; |
4229 | int err; | |
5727ef1b JB |
4230 | |
4231 | memset(¶ms, 0, sizeof(params)); | |
4232 | ||
4233 | params.listen_interval = -1; | |
4234 | ||
77ee7c89 JB |
4235 | if (!rdev->ops->change_station) |
4236 | return -EOPNOTSUPP; | |
4237 | ||
5727ef1b JB |
4238 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4239 | return -EINVAL; | |
4240 | ||
4241 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4242 | return -EINVAL; | |
4243 | ||
4244 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4245 | ||
4246 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4247 | params.supported_rates = | |
4248 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4249 | params.supported_rates_len = | |
4250 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4251 | } | |
4252 | ||
9d62a986 JM |
4253 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4254 | params.capability = | |
4255 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4256 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4257 | } | |
4258 | ||
4259 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4260 | params.ext_capab = | |
4261 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4262 | params.ext_capab_len = | |
4263 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4264 | } | |
4265 | ||
df881293 | 4266 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4267 | return -EINVAL; |
36aedc90 | 4268 | |
bdd3ae3d | 4269 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4270 | return -EINVAL; |
4271 | ||
f8bacc21 | 4272 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4273 | params.plink_action = |
f8bacc21 JB |
4274 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4275 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4276 | return -EINVAL; | |
4277 | } | |
2ec600d6 | 4278 | |
f8bacc21 | 4279 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4280 | params.plink_state = |
f8bacc21 JB |
4281 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4282 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4283 | return -EINVAL; | |
4284 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4285 | } | |
9c3990aa | 4286 | |
3b1c5a53 MP |
4287 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4288 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4289 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4290 | ||
4291 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4292 | pm > NL80211_MESH_POWER_MAX) | |
4293 | return -EINVAL; | |
4294 | ||
4295 | params.local_pm = pm; | |
4296 | } | |
4297 | ||
77ee7c89 JB |
4298 | /* Include parameters for TDLS peer (will check later) */ |
4299 | err = nl80211_set_station_tdls(info, ¶ms); | |
4300 | if (err) | |
4301 | return err; | |
4302 | ||
4303 | params.vlan = get_vlan(info, rdev); | |
4304 | if (IS_ERR(params.vlan)) | |
4305 | return PTR_ERR(params.vlan); | |
4306 | ||
a97f4424 JB |
4307 | switch (dev->ieee80211_ptr->iftype) { |
4308 | case NL80211_IFTYPE_AP: | |
4309 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4310 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4311 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4312 | case NL80211_IFTYPE_STATION: |
267335d6 | 4313 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4314 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4315 | break; |
4316 | default: | |
77ee7c89 JB |
4317 | err = -EOPNOTSUPP; |
4318 | goto out_put_vlan; | |
034d655e JB |
4319 | } |
4320 | ||
77ee7c89 | 4321 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4322 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4323 | |
77ee7c89 | 4324 | out_put_vlan: |
5727ef1b JB |
4325 | if (params.vlan) |
4326 | dev_put(params.vlan); | |
3b85875a | 4327 | |
5727ef1b JB |
4328 | return err; |
4329 | } | |
4330 | ||
4331 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4332 | { | |
4c476991 | 4333 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4334 | int err; |
4c476991 | 4335 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4336 | struct station_parameters params; |
4337 | u8 *mac_addr = NULL; | |
4338 | ||
4339 | memset(¶ms, 0, sizeof(params)); | |
4340 | ||
984c311b JB |
4341 | if (!rdev->ops->add_station) |
4342 | return -EOPNOTSUPP; | |
4343 | ||
5727ef1b JB |
4344 | if (!info->attrs[NL80211_ATTR_MAC]) |
4345 | return -EINVAL; | |
4346 | ||
5727ef1b JB |
4347 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4348 | return -EINVAL; | |
4349 | ||
4350 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4351 | return -EINVAL; | |
4352 | ||
5e4b6f56 JM |
4353 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4354 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4355 | return -EINVAL; |
4356 | ||
5727ef1b JB |
4357 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4358 | params.supported_rates = | |
4359 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4360 | params.supported_rates_len = | |
4361 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4362 | params.listen_interval = | |
4363 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4364 | |
3d124ea2 | 4365 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4366 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4367 | else |
4368 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4369 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4370 | return -EINVAL; | |
51b50fbe | 4371 | |
9d62a986 JM |
4372 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4373 | params.capability = | |
4374 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4375 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4376 | } | |
4377 | ||
4378 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4379 | params.ext_capab = | |
4380 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4381 | params.ext_capab_len = | |
4382 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4383 | } | |
4384 | ||
36aedc90 JM |
4385 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4386 | params.ht_capa = | |
4387 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4388 | |
f461be3e MP |
4389 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4390 | params.vht_capa = | |
4391 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4392 | ||
60f4a7b1 MK |
4393 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4394 | params.opmode_notif_used = true; | |
4395 | params.opmode_notif = | |
4396 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4397 | } | |
4398 | ||
f8bacc21 | 4399 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4400 | params.plink_action = |
f8bacc21 JB |
4401 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4402 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4403 | return -EINVAL; | |
4404 | } | |
96b78dff | 4405 | |
c01fc9ad SD |
4406 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4407 | if (err) | |
4408 | return err; | |
4409 | ||
ff276691 JB |
4410 | err = nl80211_parse_sta_wme(info, ¶ms); |
4411 | if (err) | |
4412 | return err; | |
bdd90d5e | 4413 | |
bdd3ae3d | 4414 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4415 | return -EINVAL; |
4416 | ||
496fcc29 JB |
4417 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
4418 | * as userspace might just pass through the capabilities from the IEs | |
4419 | * directly, rather than enforcing this restriction and returning an | |
4420 | * error in this case. | |
4421 | */ | |
4422 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
4423 | params.ht_capa = NULL; | |
4424 | params.vht_capa = NULL; | |
4425 | } | |
4426 | ||
77ee7c89 JB |
4427 | /* When you run into this, adjust the code below for the new flag */ |
4428 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4429 | ||
bdd90d5e JB |
4430 | switch (dev->ieee80211_ptr->iftype) { |
4431 | case NL80211_IFTYPE_AP: | |
4432 | case NL80211_IFTYPE_AP_VLAN: | |
4433 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4434 | /* ignore WME attributes if iface/sta is not capable */ |
4435 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4436 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4437 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4438 | |
bdd90d5e | 4439 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4440 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4441 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4442 | return -EINVAL; |
bdd90d5e JB |
4443 | /* but don't bother the driver with it */ |
4444 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4445 | |
d582cffb JB |
4446 | /* allow authenticated/associated only if driver handles it */ |
4447 | if (!(rdev->wiphy.features & | |
4448 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4449 | params.sta_flags_mask & | |
4450 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4451 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4452 | return -EINVAL; | |
4453 | ||
bdd90d5e JB |
4454 | /* must be last in here for error handling */ |
4455 | params.vlan = get_vlan(info, rdev); | |
4456 | if (IS_ERR(params.vlan)) | |
4457 | return PTR_ERR(params.vlan); | |
4458 | break; | |
4459 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4460 | /* ignore uAPSD data */ |
4461 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4462 | ||
d582cffb JB |
4463 | /* associated is disallowed */ |
4464 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4465 | return -EINVAL; | |
bdd90d5e | 4466 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4467 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4468 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4469 | return -EINVAL; |
4470 | break; | |
4471 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4472 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4473 | /* ignore uAPSD data */ |
4474 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4475 | ||
77ee7c89 JB |
4476 | /* these are disallowed */ |
4477 | if (params.sta_flags_mask & | |
4478 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4479 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4480 | return -EINVAL; |
bdd90d5e JB |
4481 | /* Only TDLS peers can be added */ |
4482 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4483 | return -EINVAL; | |
4484 | /* Can only add if TDLS ... */ | |
4485 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4486 | return -EOPNOTSUPP; | |
4487 | /* ... with external setup is supported */ | |
4488 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4489 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4490 | /* |
4491 | * Older wpa_supplicant versions always mark the TDLS peer | |
4492 | * as authorized, but it shouldn't yet be. | |
4493 | */ | |
4494 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4495 | break; |
4496 | default: | |
4497 | return -EOPNOTSUPP; | |
c75786c9 EP |
4498 | } |
4499 | ||
bdd90d5e | 4500 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4501 | |
e35e4d28 | 4502 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4503 | |
5727ef1b JB |
4504 | if (params.vlan) |
4505 | dev_put(params.vlan); | |
5727ef1b JB |
4506 | return err; |
4507 | } | |
4508 | ||
4509 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4510 | { | |
4c476991 JB |
4511 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4512 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
4513 | struct station_del_parameters params; |
4514 | ||
4515 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
4516 | |
4517 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 4518 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 4519 | |
e80cf853 | 4520 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4521 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4522 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4523 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4524 | return -EINVAL; | |
5727ef1b | 4525 | |
4c476991 JB |
4526 | if (!rdev->ops->del_station) |
4527 | return -EOPNOTSUPP; | |
3b85875a | 4528 | |
98856866 JM |
4529 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
4530 | params.subtype = | |
4531 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
4532 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
4533 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
4534 | return -EINVAL; | |
4535 | } else { | |
4536 | /* Default to Deauthentication frame */ | |
4537 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
4538 | } | |
4539 | ||
4540 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
4541 | params.reason_code = | |
4542 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
4543 | if (params.reason_code == 0) | |
4544 | return -EINVAL; /* 0 is reserved */ | |
4545 | } else { | |
4546 | /* Default to reason code 2 */ | |
4547 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
4548 | } | |
4549 | ||
89c771e5 | 4550 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
4551 | } |
4552 | ||
15e47304 | 4553 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4554 | int flags, struct net_device *dev, |
4555 | u8 *dst, u8 *next_hop, | |
4556 | struct mpath_info *pinfo) | |
4557 | { | |
4558 | void *hdr; | |
4559 | struct nlattr *pinfoattr; | |
4560 | ||
1ef4c850 | 4561 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
4562 | if (!hdr) |
4563 | return -1; | |
4564 | ||
9360ffd1 DM |
4565 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4566 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4567 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4568 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4569 | goto nla_put_failure; | |
f5ea9120 | 4570 | |
2ec600d6 LCC |
4571 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4572 | if (!pinfoattr) | |
4573 | goto nla_put_failure; | |
9360ffd1 DM |
4574 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4575 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4576 | pinfo->frame_qlen)) | |
4577 | goto nla_put_failure; | |
4578 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4579 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4580 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4581 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4582 | pinfo->metric)) || | |
4583 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4584 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4585 | pinfo->exptime)) || | |
4586 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4587 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4588 | pinfo->flags)) || | |
4589 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4590 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4591 | pinfo->discovery_timeout)) || | |
4592 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4593 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4594 | pinfo->discovery_retries))) | |
4595 | goto nla_put_failure; | |
2ec600d6 LCC |
4596 | |
4597 | nla_nest_end(msg, pinfoattr); | |
4598 | ||
053c095a JB |
4599 | genlmsg_end(msg, hdr); |
4600 | return 0; | |
2ec600d6 LCC |
4601 | |
4602 | nla_put_failure: | |
bc3ed28c TG |
4603 | genlmsg_cancel(msg, hdr); |
4604 | return -EMSGSIZE; | |
2ec600d6 LCC |
4605 | } |
4606 | ||
4607 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4608 | struct netlink_callback *cb) |
2ec600d6 | 4609 | { |
2ec600d6 | 4610 | struct mpath_info pinfo; |
1b8ec87a | 4611 | struct cfg80211_registered_device *rdev; |
97990a06 | 4612 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4613 | u8 dst[ETH_ALEN]; |
4614 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4615 | int path_idx = cb->args[2]; |
2ec600d6 | 4616 | int err; |
2ec600d6 | 4617 | |
1b8ec87a | 4618 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4619 | if (err) |
4620 | return err; | |
bba95fef | 4621 | |
1b8ec87a | 4622 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 4623 | err = -EOPNOTSUPP; |
bba95fef JB |
4624 | goto out_err; |
4625 | } | |
4626 | ||
97990a06 | 4627 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4628 | err = -EOPNOTSUPP; |
0448b5fc | 4629 | goto out_err; |
eec60b03 JM |
4630 | } |
4631 | ||
bba95fef | 4632 | while (1) { |
1b8ec87a | 4633 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 4634 | next_hop, &pinfo); |
bba95fef | 4635 | if (err == -ENOENT) |
2ec600d6 | 4636 | break; |
bba95fef | 4637 | if (err) |
3b85875a | 4638 | goto out_err; |
2ec600d6 | 4639 | |
15e47304 | 4640 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4641 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4642 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4643 | &pinfo) < 0) |
4644 | goto out; | |
2ec600d6 | 4645 | |
bba95fef | 4646 | path_idx++; |
2ec600d6 | 4647 | } |
2ec600d6 | 4648 | |
2ec600d6 | 4649 | |
bba95fef | 4650 | out: |
97990a06 | 4651 | cb->args[2] = path_idx; |
bba95fef | 4652 | err = skb->len; |
bba95fef | 4653 | out_err: |
1b8ec87a | 4654 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 4655 | return err; |
2ec600d6 LCC |
4656 | } |
4657 | ||
4658 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4659 | { | |
4c476991 | 4660 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4661 | int err; |
4c476991 | 4662 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4663 | struct mpath_info pinfo; |
4664 | struct sk_buff *msg; | |
4665 | u8 *dst = NULL; | |
4666 | u8 next_hop[ETH_ALEN]; | |
4667 | ||
4668 | memset(&pinfo, 0, sizeof(pinfo)); | |
4669 | ||
4670 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4671 | return -EINVAL; | |
4672 | ||
4673 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4674 | ||
4c476991 JB |
4675 | if (!rdev->ops->get_mpath) |
4676 | return -EOPNOTSUPP; | |
2ec600d6 | 4677 | |
4c476991 JB |
4678 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4679 | return -EOPNOTSUPP; | |
eec60b03 | 4680 | |
e35e4d28 | 4681 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4682 | if (err) |
4c476991 | 4683 | return err; |
2ec600d6 | 4684 | |
fd2120ca | 4685 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4686 | if (!msg) |
4c476991 | 4687 | return -ENOMEM; |
2ec600d6 | 4688 | |
15e47304 | 4689 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4690 | dev, dst, next_hop, &pinfo) < 0) { |
4691 | nlmsg_free(msg); | |
4692 | return -ENOBUFS; | |
4693 | } | |
3b85875a | 4694 | |
4c476991 | 4695 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4696 | } |
4697 | ||
4698 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4699 | { | |
4c476991 JB |
4700 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4701 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4702 | u8 *dst = NULL; |
4703 | u8 *next_hop = NULL; | |
4704 | ||
4705 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4706 | return -EINVAL; | |
4707 | ||
4708 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4709 | return -EINVAL; | |
4710 | ||
4711 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4712 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4713 | ||
4c476991 JB |
4714 | if (!rdev->ops->change_mpath) |
4715 | return -EOPNOTSUPP; | |
35a8efe1 | 4716 | |
4c476991 JB |
4717 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4718 | return -EOPNOTSUPP; | |
2ec600d6 | 4719 | |
e35e4d28 | 4720 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4721 | } |
4c476991 | 4722 | |
2ec600d6 LCC |
4723 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4724 | { | |
4c476991 JB |
4725 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4726 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4727 | u8 *dst = NULL; |
4728 | u8 *next_hop = NULL; | |
4729 | ||
4730 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4731 | return -EINVAL; | |
4732 | ||
4733 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4734 | return -EINVAL; | |
4735 | ||
4736 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4737 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4738 | ||
4c476991 JB |
4739 | if (!rdev->ops->add_mpath) |
4740 | return -EOPNOTSUPP; | |
35a8efe1 | 4741 | |
4c476991 JB |
4742 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4743 | return -EOPNOTSUPP; | |
2ec600d6 | 4744 | |
e35e4d28 | 4745 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4746 | } |
4747 | ||
4748 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4749 | { | |
4c476991 JB |
4750 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4751 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4752 | u8 *dst = NULL; |
4753 | ||
4754 | if (info->attrs[NL80211_ATTR_MAC]) | |
4755 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4756 | ||
4c476991 JB |
4757 | if (!rdev->ops->del_mpath) |
4758 | return -EOPNOTSUPP; | |
3b85875a | 4759 | |
e35e4d28 | 4760 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4761 | } |
4762 | ||
66be7d2b HR |
4763 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
4764 | { | |
4765 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4766 | int err; | |
4767 | struct net_device *dev = info->user_ptr[1]; | |
4768 | struct mpath_info pinfo; | |
4769 | struct sk_buff *msg; | |
4770 | u8 *dst = NULL; | |
4771 | u8 mpp[ETH_ALEN]; | |
4772 | ||
4773 | memset(&pinfo, 0, sizeof(pinfo)); | |
4774 | ||
4775 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4776 | return -EINVAL; | |
4777 | ||
4778 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4779 | ||
4780 | if (!rdev->ops->get_mpp) | |
4781 | return -EOPNOTSUPP; | |
4782 | ||
4783 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
4784 | return -EOPNOTSUPP; | |
4785 | ||
4786 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
4787 | if (err) | |
4788 | return err; | |
4789 | ||
4790 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4791 | if (!msg) | |
4792 | return -ENOMEM; | |
4793 | ||
4794 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
4795 | dev, dst, mpp, &pinfo) < 0) { | |
4796 | nlmsg_free(msg); | |
4797 | return -ENOBUFS; | |
4798 | } | |
4799 | ||
4800 | return genlmsg_reply(msg, info); | |
4801 | } | |
4802 | ||
4803 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
4804 | struct netlink_callback *cb) | |
4805 | { | |
4806 | struct mpath_info pinfo; | |
4807 | struct cfg80211_registered_device *rdev; | |
4808 | struct wireless_dev *wdev; | |
4809 | u8 dst[ETH_ALEN]; | |
4810 | u8 mpp[ETH_ALEN]; | |
4811 | int path_idx = cb->args[2]; | |
4812 | int err; | |
4813 | ||
4814 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); | |
4815 | if (err) | |
4816 | return err; | |
4817 | ||
4818 | if (!rdev->ops->dump_mpp) { | |
4819 | err = -EOPNOTSUPP; | |
4820 | goto out_err; | |
4821 | } | |
4822 | ||
4823 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
4824 | err = -EOPNOTSUPP; | |
4825 | goto out_err; | |
4826 | } | |
4827 | ||
4828 | while (1) { | |
4829 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
4830 | mpp, &pinfo); | |
4831 | if (err == -ENOENT) | |
4832 | break; | |
4833 | if (err) | |
4834 | goto out_err; | |
4835 | ||
4836 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
4837 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4838 | wdev->netdev, dst, mpp, | |
4839 | &pinfo) < 0) | |
4840 | goto out; | |
4841 | ||
4842 | path_idx++; | |
4843 | } | |
4844 | ||
4845 | out: | |
4846 | cb->args[2] = path_idx; | |
4847 | err = skb->len; | |
4848 | out_err: | |
4849 | nl80211_finish_wdev_dump(rdev); | |
4850 | return err; | |
4851 | } | |
4852 | ||
9f1ba906 JM |
4853 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4854 | { | |
4c476991 JB |
4855 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4856 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 4857 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 4858 | struct bss_parameters params; |
c56589ed | 4859 | int err; |
9f1ba906 JM |
4860 | |
4861 | memset(¶ms, 0, sizeof(params)); | |
4862 | /* default to not changing parameters */ | |
4863 | params.use_cts_prot = -1; | |
4864 | params.use_short_preamble = -1; | |
4865 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4866 | params.ap_isolate = -1; |
50b12f59 | 4867 | params.ht_opmode = -1; |
53cabad7 JB |
4868 | params.p2p_ctwindow = -1; |
4869 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4870 | |
4871 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4872 | params.use_cts_prot = | |
4873 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4874 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4875 | params.use_short_preamble = | |
4876 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4877 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4878 | params.use_short_slot_time = | |
4879 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4880 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4881 | params.basic_rates = | |
4882 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4883 | params.basic_rates_len = | |
4884 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4885 | } | |
fd8aaaf3 FF |
4886 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4887 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4888 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4889 | params.ht_opmode = | |
4890 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4891 | |
53cabad7 JB |
4892 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4893 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4894 | return -EINVAL; | |
4895 | params.p2p_ctwindow = | |
4896 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4897 | if (params.p2p_ctwindow < 0) | |
4898 | return -EINVAL; | |
4899 | if (params.p2p_ctwindow != 0 && | |
4900 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4901 | return -EINVAL; | |
4902 | } | |
4903 | ||
4904 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4905 | u8 tmp; | |
4906 | ||
4907 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4908 | return -EINVAL; | |
4909 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4910 | if (tmp > 1) | |
4911 | return -EINVAL; | |
4912 | params.p2p_opp_ps = tmp; | |
4913 | if (params.p2p_opp_ps && | |
4914 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4915 | return -EINVAL; | |
4916 | } | |
4917 | ||
4c476991 JB |
4918 | if (!rdev->ops->change_bss) |
4919 | return -EOPNOTSUPP; | |
9f1ba906 | 4920 | |
074ac8df | 4921 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4922 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4923 | return -EOPNOTSUPP; | |
3b85875a | 4924 | |
c56589ed SW |
4925 | wdev_lock(wdev); |
4926 | err = rdev_change_bss(rdev, dev, ¶ms); | |
4927 | wdev_unlock(wdev); | |
4928 | ||
4929 | return err; | |
9f1ba906 JM |
4930 | } |
4931 | ||
b54452b0 | 4932 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4933 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4934 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4935 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4936 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4937 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4938 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
089027e5 | 4939 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, |
b2e1b302 LR |
4940 | }; |
4941 | ||
4942 | static int parse_reg_rule(struct nlattr *tb[], | |
4943 | struct ieee80211_reg_rule *reg_rule) | |
4944 | { | |
4945 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4946 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4947 | ||
4948 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4949 | return -EINVAL; | |
4950 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4951 | return -EINVAL; | |
4952 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4953 | return -EINVAL; | |
b0dfd2ea JD |
4954 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) |
4955 | return -EINVAL; | |
b2e1b302 LR |
4956 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) |
4957 | return -EINVAL; | |
4958 | ||
4959 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4960 | ||
4961 | freq_range->start_freq_khz = | |
4962 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4963 | freq_range->end_freq_khz = | |
4964 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
b0dfd2ea JD |
4965 | freq_range->max_bandwidth_khz = |
4966 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
b2e1b302 LR |
4967 | |
4968 | power_rule->max_eirp = | |
4969 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4970 | ||
4971 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4972 | power_rule->max_antenna_gain = | |
4973 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4974 | ||
089027e5 JD |
4975 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) |
4976 | reg_rule->dfs_cac_ms = | |
4977 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
4978 | ||
b2e1b302 LR |
4979 | return 0; |
4980 | } | |
4981 | ||
4982 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4983 | { | |
b2e1b302 | 4984 | char *data = NULL; |
05050753 | 4985 | bool is_indoor; |
57b5ce07 | 4986 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
4987 | u32 owner_nlportid; |
4988 | ||
b2e1b302 | 4989 | |
80778f18 LR |
4990 | /* |
4991 | * You should only get this when cfg80211 hasn't yet initialized | |
4992 | * completely when built-in to the kernel right between the time | |
4993 | * window between nl80211_init() and regulatory_init(), if that is | |
4994 | * even possible. | |
4995 | */ | |
458f4f9e | 4996 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4997 | return -EINPROGRESS; |
80778f18 | 4998 | |
57b5ce07 LR |
4999 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
5000 | user_reg_hint_type = | |
5001 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
5002 | else | |
5003 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
5004 | ||
5005 | switch (user_reg_hint_type) { | |
5006 | case NL80211_USER_REG_HINT_USER: | |
5007 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
5008 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
5009 | return -EINVAL; | |
5010 | ||
5011 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5012 | return regulatory_hint_user(data, user_reg_hint_type); | |
5013 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
5014 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
5015 | owner_nlportid = info->snd_portid; | |
5016 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
5017 | } else { | |
5018 | owner_nlportid = 0; | |
5019 | is_indoor = true; | |
5020 | } | |
5021 | ||
5022 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
5023 | default: |
5024 | return -EINVAL; | |
5025 | } | |
b2e1b302 LR |
5026 | } |
5027 | ||
24bdd9f4 | 5028 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 5029 | struct genl_info *info) |
93da9cc1 | 5030 | { |
4c476991 | 5031 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5032 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
5033 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5034 | struct mesh_config cur_params; | |
5035 | int err = 0; | |
93da9cc1 | 5036 | void *hdr; |
5037 | struct nlattr *pinfoattr; | |
5038 | struct sk_buff *msg; | |
5039 | ||
29cbe68c JB |
5040 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5041 | return -EOPNOTSUPP; | |
5042 | ||
24bdd9f4 | 5043 | if (!rdev->ops->get_mesh_config) |
4c476991 | 5044 | return -EOPNOTSUPP; |
f3f92586 | 5045 | |
29cbe68c JB |
5046 | wdev_lock(wdev); |
5047 | /* If not connected, get default parameters */ | |
5048 | if (!wdev->mesh_id_len) | |
5049 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
5050 | else | |
e35e4d28 | 5051 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
5052 | wdev_unlock(wdev); |
5053 | ||
93da9cc1 | 5054 | if (err) |
4c476991 | 5055 | return err; |
93da9cc1 | 5056 | |
5057 | /* Draw up a netlink message to send back */ | |
fd2120ca | 5058 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
5059 | if (!msg) |
5060 | return -ENOMEM; | |
15e47304 | 5061 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 5062 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 5063 | if (!hdr) |
efe1cf0c | 5064 | goto out; |
24bdd9f4 | 5065 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 5066 | if (!pinfoattr) |
5067 | goto nla_put_failure; | |
9360ffd1 DM |
5068 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5069 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
5070 | cur_params.dot11MeshRetryTimeout) || | |
5071 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
5072 | cur_params.dot11MeshConfirmTimeout) || | |
5073 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
5074 | cur_params.dot11MeshHoldingTimeout) || | |
5075 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5076 | cur_params.dot11MeshMaxPeerLinks) || | |
5077 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5078 | cur_params.dot11MeshMaxRetries) || | |
5079 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5080 | cur_params.dot11MeshTTL) || | |
5081 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5082 | cur_params.element_ttl) || | |
5083 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5084 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5085 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5086 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5087 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5088 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5089 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5090 | cur_params.path_refresh_time) || | |
5091 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5092 | cur_params.min_discovery_timeout) || | |
5093 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5094 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5095 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5096 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5097 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5098 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5099 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5100 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5101 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5102 | cur_params.dot11MeshHWMPRootMode) || | |
5103 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5104 | cur_params.dot11MeshHWMPRannInterval) || | |
5105 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5106 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5107 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5108 | cur_params.dot11MeshForwarding) || | |
5109 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
5110 | cur_params.rssi_threshold) || |
5111 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5112 | cur_params.ht_opmode) || |
5113 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5114 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5115 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5116 | cur_params.dot11MeshHWMProotInterval) || |
5117 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5118 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5119 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5120 | cur_params.power_mode) || | |
5121 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5122 | cur_params.dot11MeshAwakeWindowDuration) || |
5123 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5124 | cur_params.plink_timeout)) | |
9360ffd1 | 5125 | goto nla_put_failure; |
93da9cc1 | 5126 | nla_nest_end(msg, pinfoattr); |
5127 | genlmsg_end(msg, hdr); | |
4c476991 | 5128 | return genlmsg_reply(msg, info); |
93da9cc1 | 5129 | |
3b85875a | 5130 | nla_put_failure: |
93da9cc1 | 5131 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5132 | out: |
d080e275 | 5133 | nlmsg_free(msg); |
4c476991 | 5134 | return -ENOBUFS; |
93da9cc1 | 5135 | } |
5136 | ||
b54452b0 | 5137 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5138 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5139 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5140 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5141 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5142 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5143 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5144 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5145 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5146 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5147 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5148 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5149 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5150 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5151 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5152 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5153 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5154 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5155 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5156 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5157 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5158 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5159 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5160 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5161 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5162 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5163 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5164 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5165 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5166 | }; |
5167 | ||
c80d545d JC |
5168 | static const struct nla_policy |
5169 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5170 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5171 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5172 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5173 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5174 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5175 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5176 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5177 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5178 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5179 | }; |
5180 | ||
24bdd9f4 | 5181 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5182 | struct mesh_config *cfg, |
5183 | u32 *mask_out) | |
93da9cc1 | 5184 | { |
93da9cc1 | 5185 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5186 | u32 mask = 0; |
93da9cc1 | 5187 | |
ea54fba2 MP |
5188 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5189 | do { \ | |
5190 | if (tb[attr]) { \ | |
5191 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
5192 | return -EINVAL; \ | |
5193 | cfg->param = fn(tb[attr]); \ | |
5194 | mask |= (1 << (attr - 1)); \ | |
5195 | } \ | |
5196 | } while (0) | |
bd90fdcc JB |
5197 | |
5198 | ||
24bdd9f4 | 5199 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5200 | return -EINVAL; |
5201 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5202 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 5203 | nl80211_meshconf_params_policy)) |
93da9cc1 | 5204 | return -EINVAL; |
5205 | ||
93da9cc1 | 5206 | /* This makes sure that there aren't more than 32 mesh config |
5207 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5208 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5209 | ||
5210 | /* Fill in the params struct */ | |
ea54fba2 | 5211 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
5212 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
5213 | nla_get_u16); | |
ea54fba2 | 5214 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
5215 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
5216 | nla_get_u16); | |
ea54fba2 | 5217 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
5218 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
5219 | nla_get_u16); | |
ea54fba2 | 5220 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
5221 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
5222 | nla_get_u16); | |
ea54fba2 | 5223 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
5224 | mask, NL80211_MESHCONF_MAX_RETRIES, |
5225 | nla_get_u8); | |
ea54fba2 | 5226 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 5227 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 5228 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
5229 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
5230 | nla_get_u8); | |
ea54fba2 | 5231 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
5232 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
5233 | nla_get_u8); | |
ea54fba2 MP |
5234 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5235 | 1, 255, mask, | |
a4f606ea CYY |
5236 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5237 | nla_get_u32); | |
ea54fba2 | 5238 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
5239 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5240 | nla_get_u8); | |
ea54fba2 | 5241 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
5242 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
5243 | nla_get_u32); | |
ea54fba2 | 5244 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
5245 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
5246 | nla_get_u16); | |
ea54fba2 MP |
5247 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5248 | 1, 65535, mask, | |
a4f606ea CYY |
5249 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
5250 | nla_get_u32); | |
93da9cc1 | 5251 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5252 | 1, 65535, mask, |
5253 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 5254 | nla_get_u16); |
dca7e943 | 5255 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5256 | 1, 65535, mask, |
5257 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 5258 | nla_get_u16); |
93da9cc1 | 5259 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5260 | dot11MeshHWMPnetDiameterTraversalTime, |
5261 | 1, 65535, mask, | |
a4f606ea CYY |
5262 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
5263 | nla_get_u16); | |
ea54fba2 MP |
5264 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5265 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5266 | nla_get_u8); | |
5267 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
5268 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 5269 | nla_get_u16); |
63c5723b | 5270 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5271 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5272 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 5273 | nla_get_u8); |
ea54fba2 | 5274 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
5275 | mask, NL80211_MESHCONF_FORWARDING, |
5276 | nla_get_u8); | |
83374fe9 | 5277 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5278 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 5279 | nla_get_s32); |
ea54fba2 | 5280 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 5281 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
5282 | nla_get_u16); |
5283 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 5284 | 1, 65535, mask, |
ac1073a6 CYY |
5285 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
5286 | nla_get_u32); | |
ea54fba2 | 5287 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5288 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
5289 | nla_get_u16); |
5290 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
5291 | dot11MeshHWMPconfirmationInterval, |
5292 | 1, 65535, mask, | |
728b19e5 | 5293 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 5294 | nla_get_u16); |
3b1c5a53 MP |
5295 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5296 | NL80211_MESH_POWER_ACTIVE, | |
5297 | NL80211_MESH_POWER_MAX, | |
5298 | mask, NL80211_MESHCONF_POWER_MODE, | |
5299 | nla_get_u32); | |
5300 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
5301 | 0, 65535, mask, | |
5302 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
31f909a2 | 5303 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff, |
8e7c0538 CT |
5304 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, |
5305 | nla_get_u32); | |
bd90fdcc JB |
5306 | if (mask_out) |
5307 | *mask_out = mask; | |
c80d545d | 5308 | |
bd90fdcc JB |
5309 | return 0; |
5310 | ||
5311 | #undef FILL_IN_MESH_PARAM_IF_SET | |
5312 | } | |
5313 | ||
c80d545d JC |
5314 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
5315 | struct mesh_setup *setup) | |
5316 | { | |
bb2798d4 | 5317 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
5318 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
5319 | ||
5320 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
5321 | return -EINVAL; | |
5322 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
5323 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
5324 | nl80211_mesh_setup_params_policy)) | |
5325 | return -EINVAL; | |
5326 | ||
d299a1f2 JC |
5327 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
5328 | setup->sync_method = | |
5329 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
5330 | IEEE80211_SYNC_METHOD_VENDOR : | |
5331 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5332 | ||
c80d545d JC |
5333 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5334 | setup->path_sel_proto = | |
5335 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5336 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5337 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5338 | ||
5339 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5340 | setup->path_metric = | |
5341 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5342 | IEEE80211_PATH_METRIC_VENDOR : | |
5343 | IEEE80211_PATH_METRIC_AIRTIME; | |
5344 | ||
581a8b0f JC |
5345 | |
5346 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 5347 | struct nlattr *ieattr = |
581a8b0f | 5348 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5349 | if (!is_valid_ie_attr(ieattr)) |
5350 | return -EINVAL; | |
581a8b0f JC |
5351 | setup->ie = nla_data(ieattr); |
5352 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5353 | } |
bb2798d4 TP |
5354 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5355 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5356 | return -EINVAL; | |
5357 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5358 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5359 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5360 | if (setup->is_secure) |
5361 | setup->user_mpm = true; | |
c80d545d | 5362 | |
6e16d90b CT |
5363 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5364 | if (!setup->user_mpm) | |
5365 | return -EINVAL; | |
5366 | setup->auth_id = | |
5367 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5368 | } | |
5369 | ||
c80d545d JC |
5370 | return 0; |
5371 | } | |
5372 | ||
24bdd9f4 | 5373 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5374 | struct genl_info *info) |
bd90fdcc JB |
5375 | { |
5376 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5377 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5378 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5379 | struct mesh_config cfg; |
5380 | u32 mask; | |
5381 | int err; | |
5382 | ||
29cbe68c JB |
5383 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5384 | return -EOPNOTSUPP; | |
5385 | ||
24bdd9f4 | 5386 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5387 | return -EOPNOTSUPP; |
5388 | ||
24bdd9f4 | 5389 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5390 | if (err) |
5391 | return err; | |
5392 | ||
29cbe68c JB |
5393 | wdev_lock(wdev); |
5394 | if (!wdev->mesh_id_len) | |
5395 | err = -ENOLINK; | |
5396 | ||
5397 | if (!err) | |
e35e4d28 | 5398 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5399 | |
5400 | wdev_unlock(wdev); | |
5401 | ||
5402 | return err; | |
93da9cc1 | 5403 | } |
5404 | ||
ad30ca2c AN |
5405 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
5406 | struct sk_buff *msg) | |
f130347c | 5407 | { |
f130347c LR |
5408 | struct nlattr *nl_reg_rules; |
5409 | unsigned int i; | |
f130347c | 5410 | |
458f4f9e JB |
5411 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
5412 | (regdom->dfs_region && | |
5413 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 5414 | goto nla_put_failure; |
458f4f9e | 5415 | |
f130347c LR |
5416 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5417 | if (!nl_reg_rules) | |
ad30ca2c | 5418 | goto nla_put_failure; |
f130347c | 5419 | |
458f4f9e | 5420 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5421 | struct nlattr *nl_reg_rule; |
5422 | const struct ieee80211_reg_rule *reg_rule; | |
5423 | const struct ieee80211_freq_range *freq_range; | |
5424 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 5425 | unsigned int max_bandwidth_khz; |
f130347c | 5426 | |
458f4f9e | 5427 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5428 | freq_range = ®_rule->freq_range; |
5429 | power_rule = ®_rule->power_rule; | |
5430 | ||
5431 | nl_reg_rule = nla_nest_start(msg, i); | |
5432 | if (!nl_reg_rule) | |
ad30ca2c | 5433 | goto nla_put_failure; |
f130347c | 5434 | |
97524820 JD |
5435 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
5436 | if (!max_bandwidth_khz) | |
5437 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
5438 | reg_rule); | |
5439 | ||
9360ffd1 DM |
5440 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5441 | reg_rule->flags) || | |
5442 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5443 | freq_range->start_freq_khz) || | |
5444 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5445 | freq_range->end_freq_khz) || | |
5446 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 5447 | max_bandwidth_khz) || |
9360ffd1 DM |
5448 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
5449 | power_rule->max_antenna_gain) || | |
5450 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
5451 | power_rule->max_eirp) || |
5452 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
5453 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 5454 | goto nla_put_failure; |
f130347c LR |
5455 | |
5456 | nla_nest_end(msg, nl_reg_rule); | |
5457 | } | |
5458 | ||
5459 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
5460 | return 0; |
5461 | ||
5462 | nla_put_failure: | |
5463 | return -EMSGSIZE; | |
5464 | } | |
5465 | ||
5466 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
5467 | { | |
5468 | const struct ieee80211_regdomain *regdom = NULL; | |
5469 | struct cfg80211_registered_device *rdev; | |
5470 | struct wiphy *wiphy = NULL; | |
5471 | struct sk_buff *msg; | |
5472 | void *hdr; | |
5473 | ||
5474 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5475 | if (!msg) | |
5476 | return -ENOBUFS; | |
5477 | ||
5478 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
5479 | NL80211_CMD_GET_REG); | |
5480 | if (!hdr) | |
5481 | goto put_failure; | |
5482 | ||
5483 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
1bdd716c AN |
5484 | bool self_managed; |
5485 | ||
ad30ca2c AN |
5486 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
5487 | if (IS_ERR(rdev)) { | |
5488 | nlmsg_free(msg); | |
5489 | return PTR_ERR(rdev); | |
5490 | } | |
5491 | ||
5492 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
5493 | self_managed = wiphy->regulatory_flags & |
5494 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
5495 | regdom = get_wiphy_regdom(wiphy); |
5496 | ||
1bdd716c AN |
5497 | /* a self-managed-reg device must have a private regdom */ |
5498 | if (WARN_ON(!regdom && self_managed)) { | |
5499 | nlmsg_free(msg); | |
5500 | return -EINVAL; | |
5501 | } | |
5502 | ||
ad30ca2c AN |
5503 | if (regdom && |
5504 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
5505 | goto nla_put_failure; | |
5506 | } | |
5507 | ||
5508 | if (!wiphy && reg_last_request_cell_base() && | |
5509 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5510 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5511 | goto nla_put_failure; | |
5512 | ||
5513 | rcu_read_lock(); | |
5514 | ||
5515 | if (!regdom) | |
5516 | regdom = rcu_dereference(cfg80211_regdomain); | |
5517 | ||
5518 | if (nl80211_put_regdom(regdom, msg)) | |
5519 | goto nla_put_failure_rcu; | |
5520 | ||
5521 | rcu_read_unlock(); | |
f130347c LR |
5522 | |
5523 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5524 | return genlmsg_reply(msg, info); |
f130347c | 5525 | |
458f4f9e JB |
5526 | nla_put_failure_rcu: |
5527 | rcu_read_unlock(); | |
f130347c LR |
5528 | nla_put_failure: |
5529 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5530 | put_failure: |
d080e275 | 5531 | nlmsg_free(msg); |
5fe231e8 | 5532 | return -EMSGSIZE; |
f130347c LR |
5533 | } |
5534 | ||
ad30ca2c AN |
5535 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
5536 | u32 seq, int flags, struct wiphy *wiphy, | |
5537 | const struct ieee80211_regdomain *regdom) | |
5538 | { | |
5539 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
5540 | NL80211_CMD_GET_REG); | |
5541 | ||
5542 | if (!hdr) | |
5543 | return -1; | |
5544 | ||
5545 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); | |
5546 | ||
5547 | if (nl80211_put_regdom(regdom, msg)) | |
5548 | goto nla_put_failure; | |
5549 | ||
5550 | if (!wiphy && reg_last_request_cell_base() && | |
5551 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5552 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5553 | goto nla_put_failure; | |
5554 | ||
5555 | if (wiphy && | |
5556 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
5557 | goto nla_put_failure; | |
5558 | ||
1bdd716c AN |
5559 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
5560 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
5561 | goto nla_put_failure; | |
5562 | ||
053c095a JB |
5563 | genlmsg_end(msg, hdr); |
5564 | return 0; | |
ad30ca2c AN |
5565 | |
5566 | nla_put_failure: | |
5567 | genlmsg_cancel(msg, hdr); | |
5568 | return -EMSGSIZE; | |
5569 | } | |
5570 | ||
5571 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
5572 | struct netlink_callback *cb) | |
5573 | { | |
5574 | const struct ieee80211_regdomain *regdom = NULL; | |
5575 | struct cfg80211_registered_device *rdev; | |
5576 | int err, reg_idx, start = cb->args[2]; | |
5577 | ||
5578 | rtnl_lock(); | |
5579 | ||
5580 | if (cfg80211_regdomain && start == 0) { | |
5581 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
5582 | NLM_F_MULTI, NULL, | |
5583 | rtnl_dereference(cfg80211_regdomain)); | |
5584 | if (err < 0) | |
5585 | goto out_err; | |
5586 | } | |
5587 | ||
5588 | /* the global regdom is idx 0 */ | |
5589 | reg_idx = 1; | |
5590 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
5591 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
5592 | if (!regdom) | |
5593 | continue; | |
5594 | ||
5595 | if (++reg_idx <= start) | |
5596 | continue; | |
5597 | ||
5598 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
5599 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
5600 | if (err < 0) { | |
5601 | reg_idx--; | |
5602 | break; | |
5603 | } | |
5604 | } | |
5605 | ||
5606 | cb->args[2] = reg_idx; | |
5607 | err = skb->len; | |
5608 | out_err: | |
5609 | rtnl_unlock(); | |
5610 | return err; | |
5611 | } | |
5612 | ||
b2e1b302 LR |
5613 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5614 | { | |
5615 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5616 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
5617 | char *alpha2; |
5618 | int rem_reg_rules, r; | |
b2e1b302 | 5619 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 5620 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 5621 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
5622 | |
5623 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5624 | return -EINVAL; | |
5625 | ||
5626 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5627 | return -EINVAL; | |
5628 | ||
5629 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5630 | ||
8b60b078 LR |
5631 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5632 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5633 | ||
b2e1b302 | 5634 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5635 | rem_reg_rules) { |
b2e1b302 LR |
5636 | num_rules++; |
5637 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5638 | return -EINVAL; |
b2e1b302 LR |
5639 | } |
5640 | ||
e438768f LR |
5641 | if (!reg_is_valid_request(alpha2)) |
5642 | return -EINVAL; | |
5643 | ||
b2e1b302 | 5644 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5645 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5646 | |
5647 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5648 | if (!rd) |
5649 | return -ENOMEM; | |
b2e1b302 LR |
5650 | |
5651 | rd->n_reg_rules = num_rules; | |
5652 | rd->alpha2[0] = alpha2[0]; | |
5653 | rd->alpha2[1] = alpha2[1]; | |
5654 | ||
8b60b078 LR |
5655 | /* |
5656 | * Disable DFS master mode if the DFS region was | |
5657 | * not supported or known on this kernel. | |
5658 | */ | |
5659 | if (reg_supported_dfs_region(dfs_region)) | |
5660 | rd->dfs_region = dfs_region; | |
5661 | ||
b2e1b302 | 5662 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5663 | rem_reg_rules) { |
ae811e21 JB |
5664 | r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
5665 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
5666 | reg_rule_policy); | |
5667 | if (r) | |
5668 | goto bad_reg; | |
b2e1b302 LR |
5669 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5670 | if (r) | |
5671 | goto bad_reg; | |
5672 | ||
5673 | rule_idx++; | |
5674 | ||
d0e18f83 LR |
5675 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5676 | r = -EINVAL; | |
b2e1b302 | 5677 | goto bad_reg; |
d0e18f83 | 5678 | } |
b2e1b302 LR |
5679 | } |
5680 | ||
c37722bd | 5681 | r = set_regdom(rd, REGD_SOURCE_CRDA); |
6913b49a | 5682 | /* set_regdom took ownership */ |
1a919318 | 5683 | rd = NULL; |
b2e1b302 | 5684 | |
d2372b31 | 5685 | bad_reg: |
b2e1b302 | 5686 | kfree(rd); |
d0e18f83 | 5687 | return r; |
b2e1b302 LR |
5688 | } |
5689 | ||
83f5e2cf JB |
5690 | static int validate_scan_freqs(struct nlattr *freqs) |
5691 | { | |
5692 | struct nlattr *attr1, *attr2; | |
5693 | int n_channels = 0, tmp1, tmp2; | |
5694 | ||
5695 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5696 | n_channels++; | |
5697 | /* | |
5698 | * Some hardware has a limited channel list for | |
5699 | * scanning, and it is pretty much nonsensical | |
5700 | * to scan for a channel twice, so disallow that | |
5701 | * and don't require drivers to check that the | |
5702 | * channel list they get isn't longer than what | |
5703 | * they can scan, as long as they can scan all | |
5704 | * the channels they registered at once. | |
5705 | */ | |
5706 | nla_for_each_nested(attr2, freqs, tmp2) | |
5707 | if (attr1 != attr2 && | |
5708 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5709 | return 0; | |
5710 | } | |
5711 | ||
5712 | return n_channels; | |
5713 | } | |
5714 | ||
ad2b26ab JB |
5715 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
5716 | u8 *mac_addr, u8 *mac_addr_mask) | |
5717 | { | |
5718 | int i; | |
5719 | ||
5720 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
5721 | eth_zero_addr(mac_addr); |
5722 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
5723 | mac_addr[0] = 0x2; |
5724 | mac_addr_mask[0] = 0x3; | |
5725 | ||
5726 | return 0; | |
5727 | } | |
5728 | ||
5729 | /* need both or none */ | |
5730 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
5731 | return -EINVAL; | |
5732 | ||
5733 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
5734 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
5735 | ||
5736 | /* don't allow or configure an mcast address */ | |
5737 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
5738 | is_multicast_ether_addr(mac_addr)) | |
5739 | return -EINVAL; | |
5740 | ||
5741 | /* | |
5742 | * allow users to pass a MAC address that has bits set outside | |
5743 | * of the mask, but don't bother drivers with having to deal | |
5744 | * with such bits | |
5745 | */ | |
5746 | for (i = 0; i < ETH_ALEN; i++) | |
5747 | mac_addr[i] &= mac_addr_mask[i]; | |
5748 | ||
5749 | return 0; | |
5750 | } | |
5751 | ||
2a519311 JB |
5752 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5753 | { | |
4c476991 | 5754 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5755 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5756 | struct cfg80211_scan_request *request; |
2a519311 JB |
5757 | struct nlattr *attr; |
5758 | struct wiphy *wiphy; | |
83f5e2cf | 5759 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5760 | size_t ie_len; |
2a519311 | 5761 | |
f4a11bb0 JB |
5762 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5763 | return -EINVAL; | |
5764 | ||
79c97e97 | 5765 | wiphy = &rdev->wiphy; |
2a519311 | 5766 | |
4c476991 JB |
5767 | if (!rdev->ops->scan) |
5768 | return -EOPNOTSUPP; | |
2a519311 | 5769 | |
f9d15d16 | 5770 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
5771 | err = -EBUSY; |
5772 | goto unlock; | |
5773 | } | |
2a519311 JB |
5774 | |
5775 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5776 | n_channels = validate_scan_freqs( |
5777 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5778 | if (!n_channels) { |
5779 | err = -EINVAL; | |
5780 | goto unlock; | |
5781 | } | |
2a519311 | 5782 | } else { |
bdfbec2d | 5783 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
5784 | } |
5785 | ||
5786 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5787 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5788 | n_ssids++; | |
5789 | ||
f9f47529 JB |
5790 | if (n_ssids > wiphy->max_scan_ssids) { |
5791 | err = -EINVAL; | |
5792 | goto unlock; | |
5793 | } | |
2a519311 | 5794 | |
70692ad2 JM |
5795 | if (info->attrs[NL80211_ATTR_IE]) |
5796 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5797 | else | |
5798 | ie_len = 0; | |
5799 | ||
f9f47529 JB |
5800 | if (ie_len > wiphy->max_scan_ie_len) { |
5801 | err = -EINVAL; | |
5802 | goto unlock; | |
5803 | } | |
18a83659 | 5804 | |
2a519311 | 5805 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5806 | + sizeof(*request->ssids) * n_ssids |
5807 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5808 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5809 | if (!request) { |
5810 | err = -ENOMEM; | |
5811 | goto unlock; | |
5812 | } | |
2a519311 | 5813 | |
2a519311 | 5814 | if (n_ssids) |
5ba63533 | 5815 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5816 | request->n_ssids = n_ssids; |
70692ad2 | 5817 | if (ie_len) { |
13874e4b | 5818 | if (n_ssids) |
70692ad2 JM |
5819 | request->ie = (void *)(request->ssids + n_ssids); |
5820 | else | |
5821 | request->ie = (void *)(request->channels + n_channels); | |
5822 | } | |
2a519311 | 5823 | |
584991dc | 5824 | i = 0; |
2a519311 JB |
5825 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5826 | /* user specified, bail out if channel not found */ | |
2a519311 | 5827 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5828 | struct ieee80211_channel *chan; |
5829 | ||
5830 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5831 | ||
5832 | if (!chan) { | |
2a519311 JB |
5833 | err = -EINVAL; |
5834 | goto out_free; | |
5835 | } | |
584991dc JB |
5836 | |
5837 | /* ignore disabled channels */ | |
5838 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5839 | continue; | |
5840 | ||
5841 | request->channels[i] = chan; | |
2a519311 JB |
5842 | i++; |
5843 | } | |
5844 | } else { | |
34850ab2 JB |
5845 | enum ieee80211_band band; |
5846 | ||
2a519311 | 5847 | /* all channels */ |
2a519311 JB |
5848 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5849 | int j; | |
5850 | if (!wiphy->bands[band]) | |
5851 | continue; | |
5852 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5853 | struct ieee80211_channel *chan; |
5854 | ||
5855 | chan = &wiphy->bands[band]->channels[j]; | |
5856 | ||
5857 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5858 | continue; | |
5859 | ||
5860 | request->channels[i] = chan; | |
2a519311 JB |
5861 | i++; |
5862 | } | |
5863 | } | |
5864 | } | |
5865 | ||
584991dc JB |
5866 | if (!i) { |
5867 | err = -EINVAL; | |
5868 | goto out_free; | |
5869 | } | |
5870 | ||
5871 | request->n_channels = i; | |
5872 | ||
2a519311 | 5873 | i = 0; |
13874e4b | 5874 | if (n_ssids) { |
2a519311 | 5875 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 5876 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5877 | err = -EINVAL; |
5878 | goto out_free; | |
5879 | } | |
57a27e1d | 5880 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5881 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5882 | i++; |
5883 | } | |
5884 | } | |
5885 | ||
70692ad2 JM |
5886 | if (info->attrs[NL80211_ATTR_IE]) { |
5887 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5888 | memcpy((void *)request->ie, |
5889 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5890 | request->ie_len); |
5891 | } | |
5892 | ||
34850ab2 | 5893 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5894 | if (wiphy->bands[i]) |
5895 | request->rates[i] = | |
5896 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5897 | |
5898 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5899 | nla_for_each_nested(attr, | |
5900 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5901 | tmp) { | |
5902 | enum ieee80211_band band = nla_type(attr); | |
5903 | ||
84404623 | 5904 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5905 | err = -EINVAL; |
5906 | goto out_free; | |
5907 | } | |
1b09cd82 FF |
5908 | |
5909 | if (!wiphy->bands[band]) | |
5910 | continue; | |
5911 | ||
34850ab2 JB |
5912 | err = ieee80211_get_ratemask(wiphy->bands[band], |
5913 | nla_data(attr), | |
5914 | nla_len(attr), | |
5915 | &request->rates[band]); | |
5916 | if (err) | |
5917 | goto out_free; | |
5918 | } | |
5919 | } | |
5920 | ||
46856bbf | 5921 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5922 | request->flags = nla_get_u32( |
5923 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5924 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5925 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5926 | err = -EOPNOTSUPP; |
5927 | goto out_free; | |
5928 | } | |
ad2b26ab JB |
5929 | |
5930 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
5931 | if (!(wiphy->features & | |
5932 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) { | |
5933 | err = -EOPNOTSUPP; | |
5934 | goto out_free; | |
5935 | } | |
5936 | ||
5937 | if (wdev->current_bss) { | |
5938 | err = -EOPNOTSUPP; | |
5939 | goto out_free; | |
5940 | } | |
5941 | ||
5942 | err = nl80211_parse_random_mac(info->attrs, | |
5943 | request->mac_addr, | |
5944 | request->mac_addr_mask); | |
5945 | if (err) | |
5946 | goto out_free; | |
5947 | } | |
46856bbf | 5948 | } |
ed473771 | 5949 | |
e9f935e3 RM |
5950 | request->no_cck = |
5951 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5952 | ||
fd014284 | 5953 | request->wdev = wdev; |
79c97e97 | 5954 | request->wiphy = &rdev->wiphy; |
15d6030b | 5955 | request->scan_start = jiffies; |
2a519311 | 5956 | |
79c97e97 | 5957 | rdev->scan_req = request; |
e35e4d28 | 5958 | err = rdev_scan(rdev, request); |
2a519311 | 5959 | |
463d0183 | 5960 | if (!err) { |
fd014284 JB |
5961 | nl80211_send_scan_start(rdev, wdev); |
5962 | if (wdev->netdev) | |
5963 | dev_hold(wdev->netdev); | |
4c476991 | 5964 | } else { |
2a519311 | 5965 | out_free: |
79c97e97 | 5966 | rdev->scan_req = NULL; |
2a519311 JB |
5967 | kfree(request); |
5968 | } | |
3b85875a | 5969 | |
f9f47529 | 5970 | unlock: |
2a519311 JB |
5971 | return err; |
5972 | } | |
5973 | ||
256da02d | 5974 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 5975 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
256da02d | 5976 | struct nlattr **attrs) |
807f8a8c LC |
5977 | { |
5978 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 5979 | struct nlattr *attr; |
a1f1c21c | 5980 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5981 | u32 interval; |
807f8a8c LC |
5982 | enum ieee80211_band band; |
5983 | size_t ie_len; | |
a1f1c21c | 5984 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 5985 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 5986 | |
256da02d LC |
5987 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
5988 | return ERR_PTR(-EINVAL); | |
807f8a8c | 5989 | |
256da02d LC |
5990 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5991 | return ERR_PTR(-EINVAL); | |
bbe6ad6d | 5992 | |
256da02d | 5993 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); |
bbe6ad6d | 5994 | if (interval == 0) |
256da02d | 5995 | return ERR_PTR(-EINVAL); |
807f8a8c | 5996 | |
256da02d | 5997 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 5998 | n_channels = validate_scan_freqs( |
256da02d | 5999 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 6000 | if (!n_channels) |
256da02d | 6001 | return ERR_PTR(-EINVAL); |
807f8a8c | 6002 | } else { |
bdfbec2d | 6003 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
6004 | } |
6005 | ||
256da02d LC |
6006 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
6007 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
6008 | tmp) |
6009 | n_ssids++; | |
6010 | ||
93b6aa69 | 6011 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 6012 | return ERR_PTR(-EINVAL); |
807f8a8c | 6013 | |
ea73cbce JB |
6014 | /* |
6015 | * First, count the number of 'real' matchsets. Due to an issue with | |
6016 | * the old implementation, matchsets containing only the RSSI attribute | |
6017 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
6018 | * RSSI for all matchsets, rather than their own matchset for reporting | |
6019 | * all APs with a strong RSSI. This is needed to be compatible with | |
6020 | * older userspace that treated a matchset with only the RSSI as the | |
6021 | * global RSSI for all other matchsets - if there are other matchsets. | |
6022 | */ | |
256da02d | 6023 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 6024 | nla_for_each_nested(attr, |
256da02d | 6025 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
6026 | tmp) { |
6027 | struct nlattr *rssi; | |
6028 | ||
6029 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
6030 | nla_data(attr), nla_len(attr), | |
6031 | nl80211_match_policy); | |
6032 | if (err) | |
256da02d | 6033 | return ERR_PTR(err); |
ea73cbce JB |
6034 | /* add other standalone attributes here */ |
6035 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
6036 | n_match_sets++; | |
6037 | continue; | |
6038 | } | |
6039 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
6040 | if (rssi) | |
6041 | default_match_rssi = nla_get_s32(rssi); | |
6042 | } | |
6043 | } | |
6044 | ||
6045 | /* However, if there's no other matchset, add the RSSI one */ | |
6046 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
6047 | n_match_sets = 1; | |
a1f1c21c LC |
6048 | |
6049 | if (n_match_sets > wiphy->max_match_sets) | |
256da02d | 6050 | return ERR_PTR(-EINVAL); |
a1f1c21c | 6051 | |
256da02d LC |
6052 | if (attrs[NL80211_ATTR_IE]) |
6053 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
6054 | else |
6055 | ie_len = 0; | |
6056 | ||
5a865bad | 6057 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 6058 | return ERR_PTR(-EINVAL); |
c10841ca | 6059 | |
807f8a8c | 6060 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 6061 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 6062 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 6063 | + sizeof(*request->channels) * n_channels |
807f8a8c | 6064 | + ie_len, GFP_KERNEL); |
256da02d LC |
6065 | if (!request) |
6066 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
6067 | |
6068 | if (n_ssids) | |
6069 | request->ssids = (void *)&request->channels[n_channels]; | |
6070 | request->n_ssids = n_ssids; | |
6071 | if (ie_len) { | |
13874e4b | 6072 | if (n_ssids) |
807f8a8c LC |
6073 | request->ie = (void *)(request->ssids + n_ssids); |
6074 | else | |
6075 | request->ie = (void *)(request->channels + n_channels); | |
6076 | } | |
6077 | ||
a1f1c21c LC |
6078 | if (n_match_sets) { |
6079 | if (request->ie) | |
6080 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 6081 | else if (n_ssids) |
a1f1c21c LC |
6082 | request->match_sets = |
6083 | (void *)(request->ssids + n_ssids); | |
6084 | else | |
6085 | request->match_sets = | |
6086 | (void *)(request->channels + n_channels); | |
6087 | } | |
6088 | request->n_match_sets = n_match_sets; | |
6089 | ||
807f8a8c | 6090 | i = 0; |
256da02d | 6091 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
6092 | /* user specified, bail out if channel not found */ |
6093 | nla_for_each_nested(attr, | |
256da02d | 6094 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
6095 | tmp) { |
6096 | struct ieee80211_channel *chan; | |
6097 | ||
6098 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6099 | ||
6100 | if (!chan) { | |
6101 | err = -EINVAL; | |
6102 | goto out_free; | |
6103 | } | |
6104 | ||
6105 | /* ignore disabled channels */ | |
6106 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6107 | continue; | |
6108 | ||
6109 | request->channels[i] = chan; | |
6110 | i++; | |
6111 | } | |
6112 | } else { | |
6113 | /* all channels */ | |
6114 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6115 | int j; | |
6116 | if (!wiphy->bands[band]) | |
6117 | continue; | |
6118 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
6119 | struct ieee80211_channel *chan; | |
6120 | ||
6121 | chan = &wiphy->bands[band]->channels[j]; | |
6122 | ||
6123 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6124 | continue; | |
6125 | ||
6126 | request->channels[i] = chan; | |
6127 | i++; | |
6128 | } | |
6129 | } | |
6130 | } | |
6131 | ||
6132 | if (!i) { | |
6133 | err = -EINVAL; | |
6134 | goto out_free; | |
6135 | } | |
6136 | ||
6137 | request->n_channels = i; | |
6138 | ||
6139 | i = 0; | |
13874e4b | 6140 | if (n_ssids) { |
256da02d | 6141 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 6142 | tmp) { |
57a27e1d | 6143 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
6144 | err = -EINVAL; |
6145 | goto out_free; | |
6146 | } | |
57a27e1d | 6147 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
6148 | memcpy(request->ssids[i].ssid, nla_data(attr), |
6149 | nla_len(attr)); | |
807f8a8c LC |
6150 | i++; |
6151 | } | |
6152 | } | |
6153 | ||
a1f1c21c | 6154 | i = 0; |
256da02d | 6155 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 6156 | nla_for_each_nested(attr, |
256da02d | 6157 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 6158 | tmp) { |
88e920b4 | 6159 | struct nlattr *ssid, *rssi; |
a1f1c21c | 6160 | |
ae811e21 JB |
6161 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, |
6162 | nla_data(attr), nla_len(attr), | |
6163 | nl80211_match_policy); | |
6164 | if (err) | |
6165 | goto out_free; | |
4a4ab0d7 | 6166 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 6167 | if (ssid) { |
ea73cbce JB |
6168 | if (WARN_ON(i >= n_match_sets)) { |
6169 | /* this indicates a programming error, | |
6170 | * the loop above should have verified | |
6171 | * things properly | |
6172 | */ | |
6173 | err = -EINVAL; | |
6174 | goto out_free; | |
6175 | } | |
6176 | ||
a1f1c21c LC |
6177 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
6178 | err = -EINVAL; | |
6179 | goto out_free; | |
6180 | } | |
6181 | memcpy(request->match_sets[i].ssid.ssid, | |
6182 | nla_data(ssid), nla_len(ssid)); | |
6183 | request->match_sets[i].ssid.ssid_len = | |
6184 | nla_len(ssid); | |
ea73cbce JB |
6185 | /* special attribute - old implemenation w/a */ |
6186 | request->match_sets[i].rssi_thold = | |
6187 | default_match_rssi; | |
6188 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
6189 | if (rssi) | |
6190 | request->match_sets[i].rssi_thold = | |
6191 | nla_get_s32(rssi); | |
a1f1c21c LC |
6192 | } |
6193 | i++; | |
6194 | } | |
ea73cbce JB |
6195 | |
6196 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 6197 | if (i == 0 && n_match_sets) |
ea73cbce JB |
6198 | request->match_sets[0].rssi_thold = default_match_rssi; |
6199 | ||
6200 | request->min_rssi_thold = INT_MAX; | |
6201 | for (i = 0; i < n_match_sets; i++) | |
6202 | request->min_rssi_thold = | |
6203 | min(request->match_sets[i].rssi_thold, | |
6204 | request->min_rssi_thold); | |
6205 | } else { | |
6206 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
6207 | } |
6208 | ||
9900e484 JB |
6209 | if (ie_len) { |
6210 | request->ie_len = ie_len; | |
807f8a8c | 6211 | memcpy((void *)request->ie, |
256da02d | 6212 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
6213 | request->ie_len); |
6214 | } | |
6215 | ||
256da02d | 6216 | if (attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 | 6217 | request->flags = nla_get_u32( |
256da02d | 6218 | attrs[NL80211_ATTR_SCAN_FLAGS]); |
00c3a6ed JB |
6219 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6220 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6221 | err = -EOPNOTSUPP; |
6222 | goto out_free; | |
6223 | } | |
ad2b26ab JB |
6224 | |
6225 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6226 | u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
6227 | ||
6228 | if (!wdev) /* must be net-detect */ | |
6229 | flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
6230 | ||
6231 | if (!(wiphy->features & flg)) { | |
6232 | err = -EOPNOTSUPP; | |
6233 | goto out_free; | |
6234 | } | |
6235 | ||
6236 | if (wdev && wdev->current_bss) { | |
6237 | err = -EOPNOTSUPP; | |
6238 | goto out_free; | |
6239 | } | |
6240 | ||
6241 | err = nl80211_parse_random_mac(attrs, request->mac_addr, | |
6242 | request->mac_addr_mask); | |
6243 | if (err) | |
6244 | goto out_free; | |
6245 | } | |
46856bbf | 6246 | } |
ed473771 | 6247 | |
9c748934 LC |
6248 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
6249 | request->delay = | |
6250 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
6251 | ||
bbe6ad6d | 6252 | request->interval = interval; |
15d6030b | 6253 | request->scan_start = jiffies; |
807f8a8c | 6254 | |
256da02d | 6255 | return request; |
807f8a8c LC |
6256 | |
6257 | out_free: | |
6258 | kfree(request); | |
256da02d LC |
6259 | return ERR_PTR(err); |
6260 | } | |
6261 | ||
6262 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
6263 | struct genl_info *info) | |
6264 | { | |
6265 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6266 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 6267 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 6268 | struct cfg80211_sched_scan_request *sched_scan_req; |
256da02d LC |
6269 | int err; |
6270 | ||
6271 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
6272 | !rdev->ops->sched_scan_start) | |
6273 | return -EOPNOTSUPP; | |
6274 | ||
6275 | if (rdev->sched_scan_req) | |
6276 | return -EINPROGRESS; | |
6277 | ||
31a60ed1 JR |
6278 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
6279 | info->attrs); | |
6280 | ||
6281 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
6282 | if (err) |
6283 | goto out_err; | |
6284 | ||
31a60ed1 | 6285 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
6286 | if (err) |
6287 | goto out_free; | |
6288 | ||
31a60ed1 JR |
6289 | sched_scan_req->dev = dev; |
6290 | sched_scan_req->wiphy = &rdev->wiphy; | |
6291 | ||
93a1e86c JR |
6292 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
6293 | sched_scan_req->owner_nlportid = info->snd_portid; | |
6294 | ||
31a60ed1 | 6295 | rcu_assign_pointer(rdev->sched_scan_req, sched_scan_req); |
256da02d LC |
6296 | |
6297 | nl80211_send_sched_scan(rdev, dev, | |
6298 | NL80211_CMD_START_SCHED_SCAN); | |
6299 | return 0; | |
6300 | ||
6301 | out_free: | |
31a60ed1 | 6302 | kfree(sched_scan_req); |
256da02d | 6303 | out_err: |
807f8a8c LC |
6304 | return err; |
6305 | } | |
6306 | ||
6307 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
6308 | struct genl_info *info) | |
6309 | { | |
6310 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6311 | ||
6312 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
6313 | !rdev->ops->sched_scan_stop) | |
6314 | return -EOPNOTSUPP; | |
6315 | ||
5fe231e8 | 6316 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
6317 | } |
6318 | ||
04f39047 SW |
6319 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
6320 | struct genl_info *info) | |
6321 | { | |
6322 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6323 | struct net_device *dev = info->user_ptr[1]; | |
6324 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6325 | struct cfg80211_chan_def chandef; | |
55f7435c | 6326 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 6327 | unsigned int cac_time_ms; |
04f39047 SW |
6328 | int err; |
6329 | ||
55f7435c LR |
6330 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
6331 | if (dfs_region == NL80211_DFS_UNSET) | |
6332 | return -EINVAL; | |
6333 | ||
04f39047 SW |
6334 | err = nl80211_parse_chandef(rdev, info, &chandef); |
6335 | if (err) | |
6336 | return err; | |
6337 | ||
ff311bc1 SW |
6338 | if (netif_carrier_ok(dev)) |
6339 | return -EBUSY; | |
6340 | ||
04f39047 SW |
6341 | if (wdev->cac_started) |
6342 | return -EBUSY; | |
6343 | ||
2beb6dab | 6344 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 6345 | wdev->iftype); |
04f39047 SW |
6346 | if (err < 0) |
6347 | return err; | |
6348 | ||
6349 | if (err == 0) | |
6350 | return -EINVAL; | |
6351 | ||
fe7c3a1f | 6352 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
6353 | return -EINVAL; |
6354 | ||
6355 | if (!rdev->ops->start_radar_detection) | |
6356 | return -EOPNOTSUPP; | |
6357 | ||
31559f35 JD |
6358 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
6359 | if (WARN_ON(!cac_time_ms)) | |
6360 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
6361 | ||
6362 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef, | |
6363 | cac_time_ms); | |
04f39047 | 6364 | if (!err) { |
9e0e2961 | 6365 | wdev->chandef = chandef; |
04f39047 SW |
6366 | wdev->cac_started = true; |
6367 | wdev->cac_start_time = jiffies; | |
31559f35 | 6368 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 6369 | } |
04f39047 SW |
6370 | return err; |
6371 | } | |
6372 | ||
16ef1fe2 SW |
6373 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
6374 | { | |
6375 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6376 | struct net_device *dev = info->user_ptr[1]; | |
6377 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6378 | struct cfg80211_csa_settings params; | |
6379 | /* csa_attrs is defined static to avoid waste of stack size - this | |
6380 | * function is called under RTNL lock, so this should not be a problem. | |
6381 | */ | |
6382 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 6383 | int err; |
ee4bc9e7 | 6384 | bool need_new_beacon = false; |
9a774c78 | 6385 | int len, i; |
252e07ca | 6386 | u32 cs_count; |
16ef1fe2 SW |
6387 | |
6388 | if (!rdev->ops->channel_switch || | |
6389 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
6390 | return -EOPNOTSUPP; | |
6391 | ||
ee4bc9e7 SW |
6392 | switch (dev->ieee80211_ptr->iftype) { |
6393 | case NL80211_IFTYPE_AP: | |
6394 | case NL80211_IFTYPE_P2P_GO: | |
6395 | need_new_beacon = true; | |
6396 | ||
6397 | /* useless if AP is not running */ | |
6398 | if (!wdev->beacon_interval) | |
1ff79dfa | 6399 | return -ENOTCONN; |
ee4bc9e7 SW |
6400 | break; |
6401 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
6402 | if (!wdev->ssid_len) |
6403 | return -ENOTCONN; | |
6404 | break; | |
c6da674a | 6405 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
6406 | if (!wdev->mesh_id_len) |
6407 | return -ENOTCONN; | |
ee4bc9e7 SW |
6408 | break; |
6409 | default: | |
16ef1fe2 | 6410 | return -EOPNOTSUPP; |
ee4bc9e7 | 6411 | } |
16ef1fe2 SW |
6412 | |
6413 | memset(¶ms, 0, sizeof(params)); | |
6414 | ||
6415 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
6416 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
6417 | return -EINVAL; | |
6418 | ||
6419 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 6420 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
6421 | return -EINVAL; |
6422 | ||
252e07ca LC |
6423 | /* Even though the attribute is u32, the specification says |
6424 | * u8, so let's make sure we don't overflow. | |
6425 | */ | |
6426 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
6427 | if (cs_count > 255) | |
6428 | return -EINVAL; | |
6429 | ||
6430 | params.count = cs_count; | |
16ef1fe2 | 6431 | |
ee4bc9e7 SW |
6432 | if (!need_new_beacon) |
6433 | goto skip_beacons; | |
6434 | ||
16ef1fe2 SW |
6435 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
6436 | if (err) | |
6437 | return err; | |
6438 | ||
6439 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
6440 | info->attrs[NL80211_ATTR_CSA_IES], | |
6441 | nl80211_policy); | |
6442 | if (err) | |
6443 | return err; | |
6444 | ||
6445 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
6446 | if (err) | |
6447 | return err; | |
6448 | ||
6449 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
6450 | return -EINVAL; | |
6451 | ||
9a774c78 AO |
6452 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
6453 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
6454 | return -EINVAL; |
6455 | ||
9a774c78 AO |
6456 | params.n_counter_offsets_beacon = len / sizeof(u16); |
6457 | if (rdev->wiphy.max_num_csa_counters && | |
6458 | (params.n_counter_offsets_beacon > | |
6459 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
6460 | return -EINVAL; |
6461 | ||
9a774c78 AO |
6462 | params.counter_offsets_beacon = |
6463 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
6464 | ||
6465 | /* sanity checks - counters should fit and be the same */ | |
6466 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
6467 | u16 offset = params.counter_offsets_beacon[i]; | |
6468 | ||
6469 | if (offset >= params.beacon_csa.tail_len) | |
6470 | return -EINVAL; | |
6471 | ||
6472 | if (params.beacon_csa.tail[offset] != params.count) | |
6473 | return -EINVAL; | |
6474 | } | |
6475 | ||
16ef1fe2 | 6476 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
6477 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
6478 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
6479 | return -EINVAL; |
6480 | ||
9a774c78 AO |
6481 | params.n_counter_offsets_presp = len / sizeof(u16); |
6482 | if (rdev->wiphy.max_num_csa_counters && | |
6483 | (params.n_counter_offsets_beacon > | |
6484 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 | 6485 | return -EINVAL; |
9a774c78 AO |
6486 | |
6487 | params.counter_offsets_presp = | |
6488 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
6489 | ||
6490 | /* sanity checks - counters should fit and be the same */ | |
6491 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
6492 | u16 offset = params.counter_offsets_presp[i]; | |
6493 | ||
6494 | if (offset >= params.beacon_csa.probe_resp_len) | |
6495 | return -EINVAL; | |
6496 | ||
6497 | if (params.beacon_csa.probe_resp[offset] != | |
6498 | params.count) | |
6499 | return -EINVAL; | |
6500 | } | |
16ef1fe2 SW |
6501 | } |
6502 | ||
ee4bc9e7 | 6503 | skip_beacons: |
16ef1fe2 SW |
6504 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
6505 | if (err) | |
6506 | return err; | |
6507 | ||
923b352f AN |
6508 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
6509 | wdev->iftype)) | |
16ef1fe2 SW |
6510 | return -EINVAL; |
6511 | ||
2beb6dab LC |
6512 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
6513 | ¶ms.chandef, | |
6514 | wdev->iftype); | |
6515 | if (err < 0) | |
6516 | return err; | |
6517 | ||
dcc6c2f5 | 6518 | if (err > 0) |
2beb6dab | 6519 | params.radar_required = true; |
16ef1fe2 | 6520 | |
16ef1fe2 SW |
6521 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
6522 | params.block_tx = true; | |
6523 | ||
c56589ed SW |
6524 | wdev_lock(wdev); |
6525 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
6526 | wdev_unlock(wdev); | |
6527 | ||
6528 | return err; | |
16ef1fe2 SW |
6529 | } |
6530 | ||
9720bb3a JB |
6531 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
6532 | u32 seq, int flags, | |
2a519311 | 6533 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
6534 | struct wireless_dev *wdev, |
6535 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 6536 | { |
48ab905d | 6537 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 6538 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
6539 | void *hdr; |
6540 | struct nlattr *bss; | |
48ab905d JB |
6541 | |
6542 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 6543 | |
15e47304 | 6544 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
6545 | NL80211_CMD_NEW_SCAN_RESULTS); |
6546 | if (!hdr) | |
6547 | return -1; | |
6548 | ||
9720bb3a JB |
6549 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
6550 | ||
97990a06 JB |
6551 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
6552 | goto nla_put_failure; | |
6553 | if (wdev->netdev && | |
9360ffd1 DM |
6554 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
6555 | goto nla_put_failure; | |
97990a06 JB |
6556 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
6557 | goto nla_put_failure; | |
2a519311 JB |
6558 | |
6559 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
6560 | if (!bss) | |
6561 | goto nla_put_failure; | |
9360ffd1 | 6562 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 6563 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 6564 | goto nla_put_failure; |
9caf0364 JB |
6565 | |
6566 | rcu_read_lock(); | |
0e227084 JB |
6567 | /* indicate whether we have probe response data or not */ |
6568 | if (rcu_access_pointer(res->proberesp_ies) && | |
6569 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
6570 | goto fail_unlock_rcu; | |
6571 | ||
6572 | /* this pointer prefers to be pointed to probe response data | |
6573 | * but is always valid | |
6574 | */ | |
9caf0364 | 6575 | ies = rcu_dereference(res->ies); |
8cef2c9d JB |
6576 | if (ies) { |
6577 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
6578 | goto fail_unlock_rcu; | |
8cef2c9d JB |
6579 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
6580 | ies->len, ies->data)) | |
6581 | goto fail_unlock_rcu; | |
9caf0364 | 6582 | } |
0e227084 JB |
6583 | |
6584 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 6585 | ies = rcu_dereference(res->beacon_ies); |
0e227084 JB |
6586 | if (ies && ies->from_beacon) { |
6587 | if (nla_put_u64(msg, NL80211_BSS_BEACON_TSF, ies->tsf)) | |
8cef2c9d JB |
6588 | goto fail_unlock_rcu; |
6589 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
6590 | ies->len, ies->data)) | |
6591 | goto fail_unlock_rcu; | |
9caf0364 JB |
6592 | } |
6593 | rcu_read_unlock(); | |
6594 | ||
9360ffd1 DM |
6595 | if (res->beacon_interval && |
6596 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
6597 | goto nla_put_failure; | |
6598 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
6599 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 6600 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
6601 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
6602 | jiffies_to_msecs(jiffies - intbss->ts))) | |
6603 | goto nla_put_failure; | |
2a519311 | 6604 | |
77965c97 | 6605 | switch (rdev->wiphy.signal_type) { |
2a519311 | 6606 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
6607 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
6608 | goto nla_put_failure; | |
2a519311 JB |
6609 | break; |
6610 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
6611 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
6612 | goto nla_put_failure; | |
2a519311 JB |
6613 | break; |
6614 | default: | |
6615 | break; | |
6616 | } | |
6617 | ||
48ab905d | 6618 | switch (wdev->iftype) { |
074ac8df | 6619 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 6620 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
6621 | if (intbss == wdev->current_bss && |
6622 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6623 | NL80211_BSS_STATUS_ASSOCIATED)) | |
6624 | goto nla_put_failure; | |
48ab905d JB |
6625 | break; |
6626 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
6627 | if (intbss == wdev->current_bss && |
6628 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6629 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
6630 | goto nla_put_failure; | |
48ab905d JB |
6631 | break; |
6632 | default: | |
6633 | break; | |
6634 | } | |
6635 | ||
2a519311 JB |
6636 | nla_nest_end(msg, bss); |
6637 | ||
053c095a JB |
6638 | genlmsg_end(msg, hdr); |
6639 | return 0; | |
2a519311 | 6640 | |
8cef2c9d JB |
6641 | fail_unlock_rcu: |
6642 | rcu_read_unlock(); | |
2a519311 JB |
6643 | nla_put_failure: |
6644 | genlmsg_cancel(msg, hdr); | |
6645 | return -EMSGSIZE; | |
6646 | } | |
6647 | ||
97990a06 | 6648 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 6649 | { |
48ab905d | 6650 | struct cfg80211_registered_device *rdev; |
2a519311 | 6651 | struct cfg80211_internal_bss *scan; |
48ab905d | 6652 | struct wireless_dev *wdev; |
97990a06 | 6653 | int start = cb->args[2], idx = 0; |
2a519311 JB |
6654 | int err; |
6655 | ||
97990a06 | 6656 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6657 | if (err) |
6658 | return err; | |
2a519311 | 6659 | |
48ab905d JB |
6660 | wdev_lock(wdev); |
6661 | spin_lock_bh(&rdev->bss_lock); | |
6662 | cfg80211_bss_expire(rdev); | |
6663 | ||
9720bb3a JB |
6664 | cb->seq = rdev->bss_generation; |
6665 | ||
48ab905d | 6666 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
6667 | if (++idx <= start) |
6668 | continue; | |
9720bb3a | 6669 | if (nl80211_send_bss(skb, cb, |
2a519311 | 6670 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 6671 | rdev, wdev, scan) < 0) { |
2a519311 | 6672 | idx--; |
67748893 | 6673 | break; |
2a519311 JB |
6674 | } |
6675 | } | |
6676 | ||
48ab905d JB |
6677 | spin_unlock_bh(&rdev->bss_lock); |
6678 | wdev_unlock(wdev); | |
2a519311 | 6679 | |
97990a06 JB |
6680 | cb->args[2] = idx; |
6681 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 6682 | |
67748893 | 6683 | return skb->len; |
2a519311 JB |
6684 | } |
6685 | ||
15e47304 | 6686 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
6687 | int flags, struct net_device *dev, |
6688 | bool allow_radio_stats, | |
6689 | struct survey_info *survey) | |
61fa713c HS |
6690 | { |
6691 | void *hdr; | |
6692 | struct nlattr *infoattr; | |
6693 | ||
11f78ac3 JB |
6694 | /* skip radio stats if userspace didn't request them */ |
6695 | if (!survey->channel && !allow_radio_stats) | |
6696 | return 0; | |
6697 | ||
15e47304 | 6698 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
6699 | NL80211_CMD_NEW_SURVEY_RESULTS); |
6700 | if (!hdr) | |
6701 | return -ENOMEM; | |
6702 | ||
9360ffd1 DM |
6703 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
6704 | goto nla_put_failure; | |
61fa713c HS |
6705 | |
6706 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
6707 | if (!infoattr) | |
6708 | goto nla_put_failure; | |
6709 | ||
11f78ac3 JB |
6710 | if (survey->channel && |
6711 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
6712 | survey->channel->center_freq)) |
6713 | goto nla_put_failure; | |
6714 | ||
6715 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
6716 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
6717 | goto nla_put_failure; | |
6718 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
6719 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
6720 | goto nla_put_failure; | |
4ed20beb JB |
6721 | if ((survey->filled & SURVEY_INFO_TIME) && |
6722 | nla_put_u64(msg, NL80211_SURVEY_INFO_TIME, | |
6723 | survey->time)) | |
9360ffd1 | 6724 | goto nla_put_failure; |
4ed20beb JB |
6725 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
6726 | nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_BUSY, | |
6727 | survey->time_busy)) | |
9360ffd1 | 6728 | goto nla_put_failure; |
4ed20beb JB |
6729 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
6730 | nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, | |
6731 | survey->time_ext_busy)) | |
9360ffd1 | 6732 | goto nla_put_failure; |
4ed20beb JB |
6733 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
6734 | nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_RX, | |
6735 | survey->time_rx)) | |
9360ffd1 | 6736 | goto nla_put_failure; |
4ed20beb JB |
6737 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
6738 | nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_TX, | |
6739 | survey->time_tx)) | |
9360ffd1 | 6740 | goto nla_put_failure; |
052536ab JB |
6741 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
6742 | nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_SCAN, | |
6743 | survey->time_scan)) | |
6744 | goto nla_put_failure; | |
61fa713c HS |
6745 | |
6746 | nla_nest_end(msg, infoattr); | |
6747 | ||
053c095a JB |
6748 | genlmsg_end(msg, hdr); |
6749 | return 0; | |
61fa713c HS |
6750 | |
6751 | nla_put_failure: | |
6752 | genlmsg_cancel(msg, hdr); | |
6753 | return -EMSGSIZE; | |
6754 | } | |
6755 | ||
11f78ac3 | 6756 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c HS |
6757 | { |
6758 | struct survey_info survey; | |
1b8ec87a | 6759 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
6760 | struct wireless_dev *wdev; |
6761 | int survey_idx = cb->args[2]; | |
61fa713c | 6762 | int res; |
11f78ac3 | 6763 | bool radio_stats; |
61fa713c | 6764 | |
1b8ec87a | 6765 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6766 | if (res) |
6767 | return res; | |
61fa713c | 6768 | |
11f78ac3 JB |
6769 | /* prepare_wdev_dump parsed the attributes */ |
6770 | radio_stats = nl80211_fam.attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; | |
6771 | ||
97990a06 JB |
6772 | if (!wdev->netdev) { |
6773 | res = -EINVAL; | |
6774 | goto out_err; | |
6775 | } | |
6776 | ||
1b8ec87a | 6777 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
6778 | res = -EOPNOTSUPP; |
6779 | goto out_err; | |
6780 | } | |
6781 | ||
6782 | while (1) { | |
1b8ec87a | 6783 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6784 | if (res == -ENOENT) |
6785 | break; | |
6786 | if (res) | |
6787 | goto out_err; | |
6788 | ||
11f78ac3 JB |
6789 | /* don't send disabled channels, but do send non-channel data */ |
6790 | if (survey.channel && | |
6791 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
6792 | survey_idx++; |
6793 | continue; | |
6794 | } | |
6795 | ||
61fa713c | 6796 | if (nl80211_send_survey(skb, |
15e47304 | 6797 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6798 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 6799 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
6800 | goto out; |
6801 | survey_idx++; | |
6802 | } | |
6803 | ||
6804 | out: | |
97990a06 | 6805 | cb->args[2] = survey_idx; |
61fa713c HS |
6806 | res = skb->len; |
6807 | out_err: | |
1b8ec87a | 6808 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
6809 | return res; |
6810 | } | |
6811 | ||
b23aa676 SO |
6812 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6813 | { | |
6814 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6815 | NL80211_WPA_VERSION_2)); | |
6816 | } | |
6817 | ||
636a5d36 JM |
6818 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6819 | { | |
4c476991 JB |
6820 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6821 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6822 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6823 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6824 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6825 | enum nl80211_auth_type auth_type; |
fffd0934 | 6826 | struct key_parse key; |
d5cdfacb | 6827 | bool local_state_change; |
636a5d36 | 6828 | |
f4a11bb0 JB |
6829 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6830 | return -EINVAL; | |
6831 | ||
6832 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6833 | return -EINVAL; | |
6834 | ||
1778092e JM |
6835 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6836 | return -EINVAL; | |
6837 | ||
19957bb3 JB |
6838 | if (!info->attrs[NL80211_ATTR_SSID]) |
6839 | return -EINVAL; | |
6840 | ||
6841 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6842 | return -EINVAL; | |
6843 | ||
fffd0934 JB |
6844 | err = nl80211_parse_key(info, &key); |
6845 | if (err) | |
6846 | return err; | |
6847 | ||
6848 | if (key.idx >= 0) { | |
e31b8213 JB |
6849 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6850 | return -EINVAL; | |
fffd0934 JB |
6851 | if (!key.p.key || !key.p.key_len) |
6852 | return -EINVAL; | |
6853 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6854 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6855 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6856 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6857 | return -EINVAL; | |
6858 | if (key.idx > 4) | |
6859 | return -EINVAL; | |
6860 | } else { | |
6861 | key.p.key_len = 0; | |
6862 | key.p.key = NULL; | |
6863 | } | |
6864 | ||
afea0b7a JB |
6865 | if (key.idx >= 0) { |
6866 | int i; | |
6867 | bool ok = false; | |
6868 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6869 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6870 | ok = true; | |
6871 | break; | |
6872 | } | |
6873 | } | |
4c476991 JB |
6874 | if (!ok) |
6875 | return -EINVAL; | |
afea0b7a JB |
6876 | } |
6877 | ||
4c476991 JB |
6878 | if (!rdev->ops->auth) |
6879 | return -EOPNOTSUPP; | |
636a5d36 | 6880 | |
074ac8df | 6881 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6882 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6883 | return -EOPNOTSUPP; | |
eec60b03 | 6884 | |
19957bb3 | 6885 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
6886 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6887 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6888 | if (!chan) | |
4c476991 | 6889 | return -EINVAL; |
636a5d36 | 6890 | |
19957bb3 JB |
6891 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6892 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6893 | |
6894 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6895 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6896 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6897 | } |
6898 | ||
19957bb3 | 6899 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6900 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6901 | return -EINVAL; |
636a5d36 | 6902 | |
e39e5b5e JM |
6903 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6904 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6905 | return -EINVAL; | |
6906 | ||
6907 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6908 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6909 | return -EINVAL; | |
6910 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6911 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6912 | /* need to include at least Auth Transaction and Status Code */ | |
6913 | if (sae_data_len < 4) | |
6914 | return -EINVAL; | |
6915 | } | |
6916 | ||
d5cdfacb JM |
6917 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6918 | ||
95de817b JB |
6919 | /* |
6920 | * Since we no longer track auth state, ignore | |
6921 | * requests to only change local state. | |
6922 | */ | |
6923 | if (local_state_change) | |
6924 | return 0; | |
6925 | ||
91bf9b26 JB |
6926 | wdev_lock(dev->ieee80211_ptr); |
6927 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6928 | ssid, ssid_len, ie, ie_len, | |
6929 | key.p.key, key.p.key_len, key.idx, | |
6930 | sae_data, sae_data_len); | |
6931 | wdev_unlock(dev->ieee80211_ptr); | |
6932 | return err; | |
636a5d36 JM |
6933 | } |
6934 | ||
c0692b8f JB |
6935 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6936 | struct genl_info *info, | |
3dc27d25 JB |
6937 | struct cfg80211_crypto_settings *settings, |
6938 | int cipher_limit) | |
b23aa676 | 6939 | { |
c0b2bbd8 JB |
6940 | memset(settings, 0, sizeof(*settings)); |
6941 | ||
b23aa676 SO |
6942 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6943 | ||
c0692b8f JB |
6944 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6945 | u16 proto; | |
6946 | proto = nla_get_u16( | |
6947 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6948 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6949 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6950 | proto != ETH_P_PAE) | |
6951 | return -EINVAL; | |
6952 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6953 | settings->control_port_no_encrypt = true; | |
6954 | } else | |
6955 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6956 | ||
b23aa676 SO |
6957 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6958 | void *data; | |
6959 | int len, i; | |
6960 | ||
6961 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6962 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6963 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6964 | ||
6965 | if (len % sizeof(u32)) | |
6966 | return -EINVAL; | |
6967 | ||
3dc27d25 | 6968 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6969 | return -EINVAL; |
6970 | ||
6971 | memcpy(settings->ciphers_pairwise, data, len); | |
6972 | ||
6973 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6974 | if (!cfg80211_supported_cipher_suite( |
6975 | &rdev->wiphy, | |
b23aa676 SO |
6976 | settings->ciphers_pairwise[i])) |
6977 | return -EINVAL; | |
6978 | } | |
6979 | ||
6980 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6981 | settings->cipher_group = | |
6982 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6983 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6984 | settings->cipher_group)) | |
b23aa676 SO |
6985 | return -EINVAL; |
6986 | } | |
6987 | ||
6988 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6989 | settings->wpa_versions = | |
6990 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6991 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6992 | return -EINVAL; | |
6993 | } | |
6994 | ||
6995 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6996 | void *data; | |
6d30240e | 6997 | int len; |
b23aa676 SO |
6998 | |
6999 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7000 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7001 | settings->n_akm_suites = len / sizeof(u32); | |
7002 | ||
7003 | if (len % sizeof(u32)) | |
7004 | return -EINVAL; | |
7005 | ||
1b9ca027 JM |
7006 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
7007 | return -EINVAL; | |
7008 | ||
b23aa676 | 7009 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
7010 | } |
7011 | ||
7012 | return 0; | |
7013 | } | |
7014 | ||
636a5d36 JM |
7015 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
7016 | { | |
4c476991 JB |
7017 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7018 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 7019 | struct ieee80211_channel *chan; |
f62fab73 JB |
7020 | struct cfg80211_assoc_request req = {}; |
7021 | const u8 *bssid, *ssid; | |
7022 | int err, ssid_len = 0; | |
636a5d36 | 7023 | |
f4a11bb0 JB |
7024 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7025 | return -EINVAL; | |
7026 | ||
7027 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
7028 | !info->attrs[NL80211_ATTR_SSID] || |
7029 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
7030 | return -EINVAL; |
7031 | ||
4c476991 JB |
7032 | if (!rdev->ops->assoc) |
7033 | return -EOPNOTSUPP; | |
636a5d36 | 7034 | |
074ac8df | 7035 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7036 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7037 | return -EOPNOTSUPP; | |
eec60b03 | 7038 | |
19957bb3 | 7039 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7040 | |
664834de JM |
7041 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7042 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7043 | if (!chan) | |
4c476991 | 7044 | return -EINVAL; |
636a5d36 | 7045 | |
19957bb3 JB |
7046 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7047 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7048 | |
7049 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
7050 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7051 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7052 | } |
7053 | ||
dc6382ce | 7054 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 7055 | enum nl80211_mfp mfp = |
dc6382ce | 7056 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 7057 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 7058 | req.use_mfp = true; |
4c476991 JB |
7059 | else if (mfp != NL80211_MFP_NO) |
7060 | return -EINVAL; | |
dc6382ce JM |
7061 | } |
7062 | ||
3e5d7649 | 7063 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 7064 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 7065 | |
7e7c8926 | 7066 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 7067 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
7068 | |
7069 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
7070 | memcpy(&req.ht_capa_mask, |
7071 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7072 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
7073 | |
7074 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 7075 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 7076 | return -EINVAL; |
f62fab73 JB |
7077 | memcpy(&req.ht_capa, |
7078 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7079 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
7080 | } |
7081 | ||
ee2aca34 | 7082 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 7083 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
7084 | |
7085 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
7086 | memcpy(&req.vht_capa_mask, |
7087 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7088 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
7089 | |
7090 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 7091 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 7092 | return -EINVAL; |
f62fab73 JB |
7093 | memcpy(&req.vht_capa, |
7094 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7095 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
7096 | } |
7097 | ||
bab5ab7d AK |
7098 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
7099 | if (!(rdev->wiphy.features & | |
7100 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
7101 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
7102 | return -EINVAL; | |
7103 | req.flags |= ASSOC_REQ_USE_RRM; | |
7104 | } | |
7105 | ||
f62fab73 | 7106 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
7107 | if (!err) { |
7108 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
7109 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
7110 | ssid, ssid_len, &req); | |
91bf9b26 JB |
7111 | wdev_unlock(dev->ieee80211_ptr); |
7112 | } | |
636a5d36 | 7113 | |
636a5d36 JM |
7114 | return err; |
7115 | } | |
7116 | ||
7117 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
7118 | { | |
4c476991 JB |
7119 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7120 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7121 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 7122 | int ie_len = 0, err; |
19957bb3 | 7123 | u16 reason_code; |
d5cdfacb | 7124 | bool local_state_change; |
636a5d36 | 7125 | |
f4a11bb0 JB |
7126 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7127 | return -EINVAL; | |
7128 | ||
7129 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7130 | return -EINVAL; | |
7131 | ||
7132 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7133 | return -EINVAL; | |
7134 | ||
4c476991 JB |
7135 | if (!rdev->ops->deauth) |
7136 | return -EOPNOTSUPP; | |
636a5d36 | 7137 | |
074ac8df | 7138 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7139 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7140 | return -EOPNOTSUPP; | |
eec60b03 | 7141 | |
19957bb3 | 7142 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7143 | |
19957bb3 JB |
7144 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
7145 | if (reason_code == 0) { | |
f4a11bb0 | 7146 | /* Reason Code 0 is reserved */ |
4c476991 | 7147 | return -EINVAL; |
255e737e | 7148 | } |
636a5d36 JM |
7149 | |
7150 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7151 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7152 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7153 | } |
7154 | ||
d5cdfacb JM |
7155 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7156 | ||
91bf9b26 JB |
7157 | wdev_lock(dev->ieee80211_ptr); |
7158 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
7159 | local_state_change); | |
7160 | wdev_unlock(dev->ieee80211_ptr); | |
7161 | return err; | |
636a5d36 JM |
7162 | } |
7163 | ||
7164 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
7165 | { | |
4c476991 JB |
7166 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7167 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7168 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 7169 | int ie_len = 0, err; |
19957bb3 | 7170 | u16 reason_code; |
d5cdfacb | 7171 | bool local_state_change; |
636a5d36 | 7172 | |
f4a11bb0 JB |
7173 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7174 | return -EINVAL; | |
7175 | ||
7176 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7177 | return -EINVAL; | |
7178 | ||
7179 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7180 | return -EINVAL; | |
7181 | ||
4c476991 JB |
7182 | if (!rdev->ops->disassoc) |
7183 | return -EOPNOTSUPP; | |
636a5d36 | 7184 | |
074ac8df | 7185 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7186 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7187 | return -EOPNOTSUPP; | |
eec60b03 | 7188 | |
19957bb3 | 7189 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7190 | |
19957bb3 JB |
7191 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
7192 | if (reason_code == 0) { | |
f4a11bb0 | 7193 | /* Reason Code 0 is reserved */ |
4c476991 | 7194 | return -EINVAL; |
255e737e | 7195 | } |
636a5d36 JM |
7196 | |
7197 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7198 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7199 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7200 | } |
7201 | ||
d5cdfacb JM |
7202 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7203 | ||
91bf9b26 JB |
7204 | wdev_lock(dev->ieee80211_ptr); |
7205 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
7206 | local_state_change); | |
7207 | wdev_unlock(dev->ieee80211_ptr); | |
7208 | return err; | |
636a5d36 JM |
7209 | } |
7210 | ||
dd5b4cc7 FF |
7211 | static bool |
7212 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
7213 | int mcast_rate[IEEE80211_NUM_BANDS], | |
7214 | int rateval) | |
7215 | { | |
7216 | struct wiphy *wiphy = &rdev->wiphy; | |
7217 | bool found = false; | |
7218 | int band, i; | |
7219 | ||
7220 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
7221 | struct ieee80211_supported_band *sband; | |
7222 | ||
7223 | sband = wiphy->bands[band]; | |
7224 | if (!sband) | |
7225 | continue; | |
7226 | ||
7227 | for (i = 0; i < sband->n_bitrates; i++) { | |
7228 | if (sband->bitrates[i].bitrate == rateval) { | |
7229 | mcast_rate[band] = i + 1; | |
7230 | found = true; | |
7231 | break; | |
7232 | } | |
7233 | } | |
7234 | } | |
7235 | ||
7236 | return found; | |
7237 | } | |
7238 | ||
04a773ad JB |
7239 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
7240 | { | |
4c476991 JB |
7241 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7242 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
7243 | struct cfg80211_ibss_params ibss; |
7244 | struct wiphy *wiphy; | |
fffd0934 | 7245 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
7246 | int err; |
7247 | ||
8e30bc55 JB |
7248 | memset(&ibss, 0, sizeof(ibss)); |
7249 | ||
04a773ad JB |
7250 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7251 | return -EINVAL; | |
7252 | ||
683b6d3b | 7253 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
7254 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
7255 | return -EINVAL; | |
7256 | ||
8e30bc55 JB |
7257 | ibss.beacon_interval = 100; |
7258 | ||
7259 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
7260 | ibss.beacon_interval = | |
7261 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7262 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
7263 | return -EINVAL; | |
7264 | } | |
7265 | ||
4c476991 JB |
7266 | if (!rdev->ops->join_ibss) |
7267 | return -EOPNOTSUPP; | |
04a773ad | 7268 | |
4c476991 JB |
7269 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
7270 | return -EOPNOTSUPP; | |
04a773ad | 7271 | |
79c97e97 | 7272 | wiphy = &rdev->wiphy; |
04a773ad | 7273 | |
39193498 | 7274 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 7275 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
7276 | |
7277 | if (!is_valid_ether_addr(ibss.bssid)) | |
7278 | return -EINVAL; | |
7279 | } | |
04a773ad JB |
7280 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7281 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7282 | ||
7283 | if (info->attrs[NL80211_ATTR_IE]) { | |
7284 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7285 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7286 | } | |
7287 | ||
683b6d3b JB |
7288 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
7289 | if (err) | |
7290 | return err; | |
04a773ad | 7291 | |
174e0cd2 IP |
7292 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
7293 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
7294 | return -EINVAL; |
7295 | ||
2f301ab2 | 7296 | switch (ibss.chandef.width) { |
bf372645 SW |
7297 | case NL80211_CHAN_WIDTH_5: |
7298 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
7299 | case NL80211_CHAN_WIDTH_20_NOHT: |
7300 | break; | |
7301 | case NL80211_CHAN_WIDTH_20: | |
7302 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
7303 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
7304 | return -EINVAL; | |
7305 | break; | |
7306 | case NL80211_CHAN_WIDTH_80: | |
7307 | case NL80211_CHAN_WIDTH_80P80: | |
7308 | case NL80211_CHAN_WIDTH_160: | |
7309 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
7310 | return -EINVAL; | |
7311 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
7312 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
7313 | return -EINVAL; | |
7314 | break; | |
2f301ab2 | 7315 | default: |
c04d6150 | 7316 | return -EINVAL; |
2f301ab2 | 7317 | } |
db9c64cf | 7318 | |
04a773ad | 7319 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
7320 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
7321 | ||
fbd2c8dc TP |
7322 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7323 | u8 *rates = | |
7324 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7325 | int n_rates = | |
7326 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7327 | struct ieee80211_supported_band *sband = | |
683b6d3b | 7328 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 7329 | |
34850ab2 JB |
7330 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
7331 | &ibss.basic_rates); | |
7332 | if (err) | |
7333 | return err; | |
fbd2c8dc | 7334 | } |
dd5b4cc7 | 7335 | |
803768f5 SW |
7336 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7337 | memcpy(&ibss.ht_capa_mask, | |
7338 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7339 | sizeof(ibss.ht_capa_mask)); | |
7340 | ||
7341 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
7342 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7343 | return -EINVAL; | |
7344 | memcpy(&ibss.ht_capa, | |
7345 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7346 | sizeof(ibss.ht_capa)); | |
7347 | } | |
7348 | ||
dd5b4cc7 FF |
7349 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7350 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
7351 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7352 | return -EINVAL; | |
fbd2c8dc | 7353 | |
4c476991 | 7354 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
7355 | bool no_ht = false; |
7356 | ||
4c476991 | 7357 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
7358 | info->attrs[NL80211_ATTR_KEYS], |
7359 | &no_ht); | |
4c476991 JB |
7360 | if (IS_ERR(connkeys)) |
7361 | return PTR_ERR(connkeys); | |
de7044ee | 7362 | |
3d9d1d66 JB |
7363 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
7364 | no_ht) { | |
de7044ee SM |
7365 | kfree(connkeys); |
7366 | return -EINVAL; | |
7367 | } | |
4c476991 | 7368 | } |
04a773ad | 7369 | |
267335d6 AQ |
7370 | ibss.control_port = |
7371 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
7372 | ||
5336fa88 SW |
7373 | ibss.userspace_handles_dfs = |
7374 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
7375 | ||
4c476991 | 7376 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 7377 | if (err) |
b47f610b | 7378 | kzfree(connkeys); |
04a773ad JB |
7379 | return err; |
7380 | } | |
7381 | ||
7382 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
7383 | { | |
4c476991 JB |
7384 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7385 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 7386 | |
4c476991 JB |
7387 | if (!rdev->ops->leave_ibss) |
7388 | return -EOPNOTSUPP; | |
04a773ad | 7389 | |
4c476991 JB |
7390 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
7391 | return -EOPNOTSUPP; | |
04a773ad | 7392 | |
4c476991 | 7393 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
7394 | } |
7395 | ||
f4e583c8 AQ |
7396 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
7397 | { | |
7398 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7399 | struct net_device *dev = info->user_ptr[1]; | |
7400 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
7401 | u32 nla_rate; | |
7402 | int err; | |
7403 | ||
7404 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
7405 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
7406 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
7407 | return -EOPNOTSUPP; |
7408 | ||
7409 | if (!rdev->ops->set_mcast_rate) | |
7410 | return -EOPNOTSUPP; | |
7411 | ||
7412 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
7413 | ||
7414 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
7415 | return -EINVAL; | |
7416 | ||
7417 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
7418 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
7419 | return -EINVAL; | |
7420 | ||
7421 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
7422 | ||
7423 | return err; | |
7424 | } | |
7425 | ||
ad7e718c JB |
7426 | static struct sk_buff * |
7427 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
7428 | struct wireless_dev *wdev, int approxlen, |
7429 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
7430 | enum nl80211_attrs attr, |
7431 | const struct nl80211_vendor_cmd_info *info, | |
7432 | gfp_t gfp) | |
ad7e718c JB |
7433 | { |
7434 | struct sk_buff *skb; | |
7435 | void *hdr; | |
7436 | struct nlattr *data; | |
7437 | ||
7438 | skb = nlmsg_new(approxlen + 100, gfp); | |
7439 | if (!skb) | |
7440 | return NULL; | |
7441 | ||
7442 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
7443 | if (!hdr) { | |
7444 | kfree_skb(skb); | |
7445 | return NULL; | |
7446 | } | |
7447 | ||
7448 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
7449 | goto nla_put_failure; | |
567ffc35 JB |
7450 | |
7451 | if (info) { | |
7452 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
7453 | info->vendor_id)) | |
7454 | goto nla_put_failure; | |
7455 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
7456 | info->subcmd)) | |
7457 | goto nla_put_failure; | |
7458 | } | |
7459 | ||
6c09e791 AK |
7460 | if (wdev) { |
7461 | if (nla_put_u64(skb, NL80211_ATTR_WDEV, | |
7462 | wdev_id(wdev))) | |
7463 | goto nla_put_failure; | |
7464 | if (wdev->netdev && | |
7465 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
7466 | wdev->netdev->ifindex)) | |
7467 | goto nla_put_failure; | |
7468 | } | |
7469 | ||
ad7e718c JB |
7470 | data = nla_nest_start(skb, attr); |
7471 | ||
7472 | ((void **)skb->cb)[0] = rdev; | |
7473 | ((void **)skb->cb)[1] = hdr; | |
7474 | ((void **)skb->cb)[2] = data; | |
7475 | ||
7476 | return skb; | |
7477 | ||
7478 | nla_put_failure: | |
7479 | kfree_skb(skb); | |
7480 | return NULL; | |
7481 | } | |
f4e583c8 | 7482 | |
e03ad6ea | 7483 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 7484 | struct wireless_dev *wdev, |
e03ad6ea JB |
7485 | enum nl80211_commands cmd, |
7486 | enum nl80211_attrs attr, | |
7487 | int vendor_event_idx, | |
7488 | int approxlen, gfp_t gfp) | |
7489 | { | |
f26cbf40 | 7490 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
7491 | const struct nl80211_vendor_cmd_info *info; |
7492 | ||
7493 | switch (cmd) { | |
7494 | case NL80211_CMD_TESTMODE: | |
7495 | if (WARN_ON(vendor_event_idx != -1)) | |
7496 | return NULL; | |
7497 | info = NULL; | |
7498 | break; | |
7499 | case NL80211_CMD_VENDOR: | |
7500 | if (WARN_ON(vendor_event_idx < 0 || | |
7501 | vendor_event_idx >= wiphy->n_vendor_events)) | |
7502 | return NULL; | |
7503 | info = &wiphy->vendor_events[vendor_event_idx]; | |
7504 | break; | |
7505 | default: | |
7506 | WARN_ON(1); | |
7507 | return NULL; | |
7508 | } | |
7509 | ||
6c09e791 | 7510 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0, |
e03ad6ea JB |
7511 | cmd, attr, info, gfp); |
7512 | } | |
7513 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
7514 | ||
7515 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
7516 | { | |
7517 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
7518 | void *hdr = ((void **)skb->cb)[1]; | |
7519 | struct nlattr *data = ((void **)skb->cb)[2]; | |
7520 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
7521 | ||
bd8c78e7 JB |
7522 | /* clear CB data for netlink core to own from now on */ |
7523 | memset(skb->cb, 0, sizeof(skb->cb)); | |
7524 | ||
e03ad6ea JB |
7525 | nla_nest_end(skb, data); |
7526 | genlmsg_end(skb, hdr); | |
7527 | ||
7528 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
7529 | mcgrp = NL80211_MCGRP_VENDOR; | |
7530 | ||
7531 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
7532 | mcgrp, gfp); | |
7533 | } | |
7534 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
7535 | ||
aff89a9b | 7536 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
7537 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
7538 | { | |
4c476991 | 7539 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
7540 | struct wireless_dev *wdev = |
7541 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
7542 | int err; |
7543 | ||
fc73f11f DS |
7544 | if (!rdev->ops->testmode_cmd) |
7545 | return -EOPNOTSUPP; | |
7546 | ||
7547 | if (IS_ERR(wdev)) { | |
7548 | err = PTR_ERR(wdev); | |
7549 | if (err != -EINVAL) | |
7550 | return err; | |
7551 | wdev = NULL; | |
7552 | } else if (wdev->wiphy != &rdev->wiphy) { | |
7553 | return -EINVAL; | |
7554 | } | |
7555 | ||
aff89a9b JB |
7556 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
7557 | return -EINVAL; | |
7558 | ||
ad7e718c | 7559 | rdev->cur_cmd_info = info; |
fc73f11f | 7560 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
7561 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
7562 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 7563 | rdev->cur_cmd_info = NULL; |
aff89a9b | 7564 | |
aff89a9b JB |
7565 | return err; |
7566 | } | |
7567 | ||
71063f0e WYG |
7568 | static int nl80211_testmode_dump(struct sk_buff *skb, |
7569 | struct netlink_callback *cb) | |
7570 | { | |
00918d33 | 7571 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
7572 | int err; |
7573 | long phy_idx; | |
7574 | void *data = NULL; | |
7575 | int data_len = 0; | |
7576 | ||
5fe231e8 JB |
7577 | rtnl_lock(); |
7578 | ||
71063f0e WYG |
7579 | if (cb->args[0]) { |
7580 | /* | |
7581 | * 0 is a valid index, but not valid for args[0], | |
7582 | * so we need to offset by 1. | |
7583 | */ | |
7584 | phy_idx = cb->args[0] - 1; | |
7585 | } else { | |
7586 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
7587 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
7588 | nl80211_policy); | |
7589 | if (err) | |
5fe231e8 | 7590 | goto out_err; |
00918d33 | 7591 | |
2bd7e35d JB |
7592 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
7593 | nl80211_fam.attrbuf); | |
7594 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
7595 | err = PTR_ERR(rdev); |
7596 | goto out_err; | |
00918d33 | 7597 | } |
2bd7e35d JB |
7598 | phy_idx = rdev->wiphy_idx; |
7599 | rdev = NULL; | |
2bd7e35d | 7600 | |
71063f0e WYG |
7601 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
7602 | cb->args[1] = | |
7603 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
7604 | } | |
7605 | ||
7606 | if (cb->args[1]) { | |
7607 | data = nla_data((void *)cb->args[1]); | |
7608 | data_len = nla_len((void *)cb->args[1]); | |
7609 | } | |
7610 | ||
00918d33 JB |
7611 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
7612 | if (!rdev) { | |
5fe231e8 JB |
7613 | err = -ENOENT; |
7614 | goto out_err; | |
71063f0e | 7615 | } |
71063f0e | 7616 | |
00918d33 | 7617 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
7618 | err = -EOPNOTSUPP; |
7619 | goto out_err; | |
7620 | } | |
7621 | ||
7622 | while (1) { | |
15e47304 | 7623 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
7624 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
7625 | NL80211_CMD_TESTMODE); | |
7626 | struct nlattr *tmdata; | |
7627 | ||
cb35fba3 DC |
7628 | if (!hdr) |
7629 | break; | |
7630 | ||
9360ffd1 | 7631 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
7632 | genlmsg_cancel(skb, hdr); |
7633 | break; | |
7634 | } | |
7635 | ||
7636 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
7637 | if (!tmdata) { | |
7638 | genlmsg_cancel(skb, hdr); | |
7639 | break; | |
7640 | } | |
e35e4d28 | 7641 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
7642 | nla_nest_end(skb, tmdata); |
7643 | ||
7644 | if (err == -ENOBUFS || err == -ENOENT) { | |
7645 | genlmsg_cancel(skb, hdr); | |
7646 | break; | |
7647 | } else if (err) { | |
7648 | genlmsg_cancel(skb, hdr); | |
7649 | goto out_err; | |
7650 | } | |
7651 | ||
7652 | genlmsg_end(skb, hdr); | |
7653 | } | |
7654 | ||
7655 | err = skb->len; | |
7656 | /* see above */ | |
7657 | cb->args[0] = phy_idx + 1; | |
7658 | out_err: | |
5fe231e8 | 7659 | rtnl_unlock(); |
71063f0e WYG |
7660 | return err; |
7661 | } | |
aff89a9b JB |
7662 | #endif |
7663 | ||
b23aa676 SO |
7664 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
7665 | { | |
4c476991 JB |
7666 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7667 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
7668 | struct cfg80211_connect_params connect; |
7669 | struct wiphy *wiphy; | |
fffd0934 | 7670 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
7671 | int err; |
7672 | ||
7673 | memset(&connect, 0, sizeof(connect)); | |
7674 | ||
7675 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
7676 | return -EINVAL; | |
7677 | ||
7678 | if (!info->attrs[NL80211_ATTR_SSID] || | |
7679 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
7680 | return -EINVAL; | |
7681 | ||
7682 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
7683 | connect.auth_type = | |
7684 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
7685 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
7686 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
7687 | return -EINVAL; |
7688 | } else | |
7689 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
7690 | ||
7691 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
7692 | ||
c0692b8f | 7693 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 7694 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
7695 | if (err) |
7696 | return err; | |
b23aa676 | 7697 | |
074ac8df | 7698 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7699 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7700 | return -EOPNOTSUPP; | |
b23aa676 | 7701 | |
79c97e97 | 7702 | wiphy = &rdev->wiphy; |
b23aa676 | 7703 | |
4486ea98 BS |
7704 | connect.bg_scan_period = -1; |
7705 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
7706 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
7707 | connect.bg_scan_period = | |
7708 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
7709 | } | |
7710 | ||
b23aa676 SO |
7711 | if (info->attrs[NL80211_ATTR_MAC]) |
7712 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
7713 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
7714 | connect.bssid_hint = | |
7715 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
7716 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7717 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7718 | ||
7719 | if (info->attrs[NL80211_ATTR_IE]) { | |
7720 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7721 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7722 | } | |
7723 | ||
cee00a95 JM |
7724 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
7725 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
7726 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
7727 | connect.mfp != NL80211_MFP_NO) | |
7728 | return -EINVAL; | |
7729 | } else { | |
7730 | connect.mfp = NL80211_MFP_NO; | |
7731 | } | |
7732 | ||
b23aa676 | 7733 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
7734 | connect.channel = nl80211_get_valid_chan( |
7735 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7736 | if (!connect.channel) | |
1df4a510 JM |
7737 | return -EINVAL; |
7738 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
7739 | connect.channel_hint = nl80211_get_valid_chan( |
7740 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
7741 | if (!connect.channel_hint) | |
4c476991 | 7742 | return -EINVAL; |
b23aa676 SO |
7743 | } |
7744 | ||
fffd0934 JB |
7745 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
7746 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 7747 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
7748 | if (IS_ERR(connkeys)) |
7749 | return PTR_ERR(connkeys); | |
fffd0934 JB |
7750 | } |
7751 | ||
7e7c8926 BG |
7752 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
7753 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
7754 | ||
7755 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7756 | memcpy(&connect.ht_capa_mask, | |
7757 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7758 | sizeof(connect.ht_capa_mask)); | |
7759 | ||
7760 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 7761 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 7762 | kzfree(connkeys); |
7e7c8926 | 7763 | return -EINVAL; |
b4e4f47e | 7764 | } |
7e7c8926 BG |
7765 | memcpy(&connect.ht_capa, |
7766 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7767 | sizeof(connect.ht_capa)); | |
7768 | } | |
7769 | ||
ee2aca34 JB |
7770 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
7771 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
7772 | ||
7773 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
7774 | memcpy(&connect.vht_capa_mask, | |
7775 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7776 | sizeof(connect.vht_capa_mask)); | |
7777 | ||
7778 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7779 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 7780 | kzfree(connkeys); |
ee2aca34 JB |
7781 | return -EINVAL; |
7782 | } | |
7783 | memcpy(&connect.vht_capa, | |
7784 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7785 | sizeof(connect.vht_capa)); | |
7786 | } | |
7787 | ||
bab5ab7d AK |
7788 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
7789 | if (!(rdev->wiphy.features & | |
7790 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
7791 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
7792 | return -EINVAL; | |
7793 | connect.flags |= ASSOC_REQ_USE_RRM; | |
7794 | } | |
7795 | ||
83739b03 JB |
7796 | wdev_lock(dev->ieee80211_ptr); |
7797 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7798 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 | 7799 | if (err) |
b47f610b | 7800 | kzfree(connkeys); |
b23aa676 SO |
7801 | return err; |
7802 | } | |
7803 | ||
7804 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7805 | { | |
4c476991 JB |
7806 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7807 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7808 | u16 reason; |
83739b03 | 7809 | int ret; |
b23aa676 SO |
7810 | |
7811 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7812 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7813 | else | |
7814 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7815 | ||
7816 | if (reason == 0) | |
7817 | return -EINVAL; | |
7818 | ||
074ac8df | 7819 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7820 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7821 | return -EOPNOTSUPP; | |
b23aa676 | 7822 | |
83739b03 JB |
7823 | wdev_lock(dev->ieee80211_ptr); |
7824 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7825 | wdev_unlock(dev->ieee80211_ptr); | |
7826 | return ret; | |
b23aa676 SO |
7827 | } |
7828 | ||
463d0183 JB |
7829 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7830 | { | |
4c476991 | 7831 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7832 | struct net *net; |
7833 | int err; | |
463d0183 | 7834 | |
4b681c82 VK |
7835 | if (info->attrs[NL80211_ATTR_PID]) { |
7836 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7837 | ||
7838 | net = get_net_ns_by_pid(pid); | |
7839 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
7840 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 7841 | |
4b681c82 VK |
7842 | net = get_net_ns_by_fd(fd); |
7843 | } else { | |
7844 | return -EINVAL; | |
7845 | } | |
463d0183 | 7846 | |
4c476991 JB |
7847 | if (IS_ERR(net)) |
7848 | return PTR_ERR(net); | |
463d0183 JB |
7849 | |
7850 | err = 0; | |
7851 | ||
7852 | /* check if anything to do */ | |
4c476991 JB |
7853 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7854 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7855 | |
463d0183 | 7856 | put_net(net); |
463d0183 JB |
7857 | return err; |
7858 | } | |
7859 | ||
67fbb16b SO |
7860 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7861 | { | |
4c476991 | 7862 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7863 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7864 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7865 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7866 | struct cfg80211_pmksa pmksa; |
7867 | ||
7868 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7869 | ||
7870 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7871 | return -EINVAL; | |
7872 | ||
7873 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7874 | return -EINVAL; | |
7875 | ||
67fbb16b SO |
7876 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7877 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7878 | ||
074ac8df | 7879 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7880 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7881 | return -EOPNOTSUPP; | |
67fbb16b SO |
7882 | |
7883 | switch (info->genlhdr->cmd) { | |
7884 | case NL80211_CMD_SET_PMKSA: | |
7885 | rdev_ops = rdev->ops->set_pmksa; | |
7886 | break; | |
7887 | case NL80211_CMD_DEL_PMKSA: | |
7888 | rdev_ops = rdev->ops->del_pmksa; | |
7889 | break; | |
7890 | default: | |
7891 | WARN_ON(1); | |
7892 | break; | |
7893 | } | |
7894 | ||
4c476991 JB |
7895 | if (!rdev_ops) |
7896 | return -EOPNOTSUPP; | |
67fbb16b | 7897 | |
4c476991 | 7898 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7899 | } |
7900 | ||
7901 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7902 | { | |
4c476991 JB |
7903 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7904 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7905 | |
074ac8df | 7906 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7907 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7908 | return -EOPNOTSUPP; | |
67fbb16b | 7909 | |
4c476991 JB |
7910 | if (!rdev->ops->flush_pmksa) |
7911 | return -EOPNOTSUPP; | |
67fbb16b | 7912 | |
e35e4d28 | 7913 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7914 | } |
7915 | ||
109086ce AN |
7916 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7917 | { | |
7918 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7919 | struct net_device *dev = info->user_ptr[1]; | |
7920 | u8 action_code, dialog_token; | |
df942e7b | 7921 | u32 peer_capability = 0; |
109086ce AN |
7922 | u16 status_code; |
7923 | u8 *peer; | |
31fa97c5 | 7924 | bool initiator; |
109086ce AN |
7925 | |
7926 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7927 | !rdev->ops->tdls_mgmt) | |
7928 | return -EOPNOTSUPP; | |
7929 | ||
7930 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7931 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7932 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7933 | !info->attrs[NL80211_ATTR_IE] || | |
7934 | !info->attrs[NL80211_ATTR_MAC]) | |
7935 | return -EINVAL; | |
7936 | ||
7937 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7938 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7939 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7940 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 7941 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
7942 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
7943 | peer_capability = | |
7944 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 7945 | |
e35e4d28 | 7946 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 7947 | dialog_token, status_code, peer_capability, |
31fa97c5 | 7948 | initiator, |
e35e4d28 HG |
7949 | nla_data(info->attrs[NL80211_ATTR_IE]), |
7950 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7951 | } |
7952 | ||
7953 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7954 | { | |
7955 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7956 | struct net_device *dev = info->user_ptr[1]; | |
7957 | enum nl80211_tdls_operation operation; | |
7958 | u8 *peer; | |
7959 | ||
7960 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7961 | !rdev->ops->tdls_oper) | |
7962 | return -EOPNOTSUPP; | |
7963 | ||
7964 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7965 | !info->attrs[NL80211_ATTR_MAC]) | |
7966 | return -EINVAL; | |
7967 | ||
7968 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7969 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7970 | ||
e35e4d28 | 7971 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7972 | } |
7973 | ||
9588bbd5 JM |
7974 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7975 | struct genl_info *info) | |
7976 | { | |
4c476991 | 7977 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7978 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7979 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7980 | struct sk_buff *msg; |
7981 | void *hdr; | |
7982 | u64 cookie; | |
683b6d3b | 7983 | u32 duration; |
9588bbd5 JM |
7984 | int err; |
7985 | ||
7986 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7987 | !info->attrs[NL80211_ATTR_DURATION]) | |
7988 | return -EINVAL; | |
7989 | ||
7990 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7991 | ||
ebf348fc JB |
7992 | if (!rdev->ops->remain_on_channel || |
7993 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7994 | return -EOPNOTSUPP; | |
7995 | ||
9588bbd5 | 7996 | /* |
ebf348fc JB |
7997 | * We should be on that channel for at least a minimum amount of |
7998 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7999 | */ |
ebf348fc | 8000 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 8001 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
8002 | return -EINVAL; |
8003 | ||
683b6d3b JB |
8004 | err = nl80211_parse_chandef(rdev, info, &chandef); |
8005 | if (err) | |
8006 | return err; | |
9588bbd5 JM |
8007 | |
8008 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
8009 | if (!msg) |
8010 | return -ENOMEM; | |
9588bbd5 | 8011 | |
15e47304 | 8012 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 8013 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
8014 | if (!hdr) { |
8015 | err = -ENOBUFS; | |
9588bbd5 JM |
8016 | goto free_msg; |
8017 | } | |
8018 | ||
683b6d3b JB |
8019 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
8020 | duration, &cookie); | |
9588bbd5 JM |
8021 | |
8022 | if (err) | |
8023 | goto free_msg; | |
8024 | ||
9360ffd1 DM |
8025 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8026 | goto nla_put_failure; | |
9588bbd5 JM |
8027 | |
8028 | genlmsg_end(msg, hdr); | |
4c476991 JB |
8029 | |
8030 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
8031 | |
8032 | nla_put_failure: | |
8033 | err = -ENOBUFS; | |
8034 | free_msg: | |
8035 | nlmsg_free(msg); | |
9588bbd5 JM |
8036 | return err; |
8037 | } | |
8038 | ||
8039 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
8040 | struct genl_info *info) | |
8041 | { | |
4c476991 | 8042 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8043 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 8044 | u64 cookie; |
9588bbd5 JM |
8045 | |
8046 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
8047 | return -EINVAL; | |
8048 | ||
4c476991 JB |
8049 | if (!rdev->ops->cancel_remain_on_channel) |
8050 | return -EOPNOTSUPP; | |
9588bbd5 | 8051 | |
9588bbd5 JM |
8052 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
8053 | ||
e35e4d28 | 8054 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
8055 | } |
8056 | ||
13ae75b1 JM |
8057 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
8058 | u8 *rates, u8 rates_len) | |
8059 | { | |
8060 | u8 i; | |
8061 | u32 mask = 0; | |
8062 | ||
8063 | for (i = 0; i < rates_len; i++) { | |
8064 | int rate = (rates[i] & 0x7f) * 5; | |
8065 | int ridx; | |
8066 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
8067 | struct ieee80211_rate *srate = | |
8068 | &sband->bitrates[ridx]; | |
8069 | if (rate == srate->bitrate) { | |
8070 | mask |= 1 << ridx; | |
8071 | break; | |
8072 | } | |
8073 | } | |
8074 | if (ridx == sband->n_bitrates) | |
8075 | return 0; /* rate not found */ | |
8076 | } | |
8077 | ||
8078 | return mask; | |
8079 | } | |
8080 | ||
24db78c0 SW |
8081 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
8082 | u8 *rates, u8 rates_len, | |
8083 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
8084 | { | |
8085 | u8 i; | |
8086 | ||
8087 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
8088 | ||
8089 | for (i = 0; i < rates_len; i++) { | |
8090 | int ridx, rbit; | |
8091 | ||
8092 | ridx = rates[i] / 8; | |
8093 | rbit = BIT(rates[i] % 8); | |
8094 | ||
8095 | /* check validity */ | |
910570b5 | 8096 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
8097 | return false; |
8098 | ||
8099 | /* check availability */ | |
8100 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
8101 | mcs[ridx] |= rbit; | |
8102 | else | |
8103 | return false; | |
8104 | } | |
8105 | ||
8106 | return true; | |
8107 | } | |
8108 | ||
204e35a9 JD |
8109 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) |
8110 | { | |
8111 | u16 mcs_mask = 0; | |
8112 | ||
8113 | switch (vht_mcs_map) { | |
8114 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
8115 | break; | |
8116 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
8117 | mcs_mask = 0x00FF; | |
8118 | break; | |
8119 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
8120 | mcs_mask = 0x01FF; | |
8121 | break; | |
8122 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
8123 | mcs_mask = 0x03FF; | |
8124 | break; | |
8125 | default: | |
8126 | break; | |
8127 | } | |
8128 | ||
8129 | return mcs_mask; | |
8130 | } | |
8131 | ||
8132 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
8133 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
8134 | { | |
8135 | u8 nss; | |
8136 | ||
8137 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
8138 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
8139 | vht_mcs_map >>= 2; | |
8140 | } | |
8141 | } | |
8142 | ||
8143 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
8144 | struct nl80211_txrate_vht *txrate, | |
8145 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
8146 | { | |
8147 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
8148 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
8149 | u8 i; | |
8150 | ||
8151 | if (!sband->vht_cap.vht_supported) | |
8152 | return false; | |
8153 | ||
8154 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
8155 | ||
8156 | /* Build vht_mcs_mask from VHT capabilities */ | |
8157 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
8158 | ||
8159 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8160 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
8161 | mcs[i] = txrate->mcs[i]; | |
8162 | else | |
8163 | return false; | |
8164 | } | |
8165 | ||
8166 | return true; | |
8167 | } | |
8168 | ||
b54452b0 | 8169 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
8170 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
8171 | .len = NL80211_MAX_SUPP_RATES }, | |
d1e33e65 JD |
8172 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, |
8173 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
204e35a9 | 8174 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, |
0b9323f6 | 8175 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, |
13ae75b1 JM |
8176 | }; |
8177 | ||
8178 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
8179 | struct genl_info *info) | |
8180 | { | |
8181 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 8182 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 8183 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
8184 | int rem, i; |
8185 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
8186 | struct nlattr *tx_rates; |
8187 | struct ieee80211_supported_band *sband; | |
204e35a9 | 8188 | u16 vht_tx_mcs_map; |
13ae75b1 | 8189 | |
4c476991 JB |
8190 | if (!rdev->ops->set_bitrate_mask) |
8191 | return -EOPNOTSUPP; | |
13ae75b1 JM |
8192 | |
8193 | memset(&mask, 0, sizeof(mask)); | |
8194 | /* Default to all rates enabled */ | |
8195 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
8196 | sband = rdev->wiphy.bands[i]; | |
7869303b JD |
8197 | |
8198 | if (!sband) | |
8199 | continue; | |
8200 | ||
8201 | mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | |
d1e33e65 | 8202 | memcpy(mask.control[i].ht_mcs, |
7869303b | 8203 | sband->ht_cap.mcs.rx_mask, |
d1e33e65 | 8204 | sizeof(mask.control[i].ht_mcs)); |
204e35a9 JD |
8205 | |
8206 | if (!sband->vht_cap.vht_supported) | |
8207 | continue; | |
8208 | ||
8209 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
8210 | vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); | |
13ae75b1 JM |
8211 | } |
8212 | ||
b9243ab0 JD |
8213 | /* if no rates are given set it back to the defaults */ |
8214 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
8215 | goto out; | |
8216 | ||
13ae75b1 JM |
8217 | /* |
8218 | * The nested attribute uses enum nl80211_band as the index. This maps | |
8219 | * directly to the enum ieee80211_band values used in cfg80211. | |
8220 | */ | |
24db78c0 | 8221 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
ae811e21 | 8222 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { |
13ae75b1 | 8223 | enum ieee80211_band band = nla_type(tx_rates); |
ae811e21 JB |
8224 | int err; |
8225 | ||
4c476991 JB |
8226 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
8227 | return -EINVAL; | |
13ae75b1 | 8228 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
8229 | if (sband == NULL) |
8230 | return -EINVAL; | |
ae811e21 JB |
8231 | err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
8232 | nla_len(tx_rates), nl80211_txattr_policy); | |
8233 | if (err) | |
8234 | return err; | |
13ae75b1 JM |
8235 | if (tb[NL80211_TXRATE_LEGACY]) { |
8236 | mask.control[band].legacy = rateset_to_mask( | |
8237 | sband, | |
8238 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
8239 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
8240 | if ((mask.control[band].legacy == 0) && |
8241 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
8242 | return -EINVAL; | |
24db78c0 | 8243 | } |
d1e33e65 | 8244 | if (tb[NL80211_TXRATE_HT]) { |
24db78c0 SW |
8245 | if (!ht_rateset_to_mask( |
8246 | sband, | |
d1e33e65 JD |
8247 | nla_data(tb[NL80211_TXRATE_HT]), |
8248 | nla_len(tb[NL80211_TXRATE_HT]), | |
8249 | mask.control[band].ht_mcs)) | |
24db78c0 SW |
8250 | return -EINVAL; |
8251 | } | |
204e35a9 JD |
8252 | if (tb[NL80211_TXRATE_VHT]) { |
8253 | if (!vht_set_mcs_mask( | |
8254 | sband, | |
8255 | nla_data(tb[NL80211_TXRATE_VHT]), | |
8256 | mask.control[band].vht_mcs)) | |
8257 | return -EINVAL; | |
8258 | } | |
0b9323f6 JD |
8259 | if (tb[NL80211_TXRATE_GI]) { |
8260 | mask.control[band].gi = | |
8261 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
8262 | if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
8263 | return -EINVAL; | |
8264 | } | |
24db78c0 SW |
8265 | |
8266 | if (mask.control[band].legacy == 0) { | |
204e35a9 JD |
8267 | /* don't allow empty legacy rates if HT or VHT |
8268 | * are not even supported. | |
8269 | */ | |
8270 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
8271 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
24db78c0 SW |
8272 | return -EINVAL; |
8273 | ||
8274 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
d1e33e65 | 8275 | if (mask.control[band].ht_mcs[i]) |
204e35a9 JD |
8276 | goto out; |
8277 | ||
8278 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
8279 | if (mask.control[band].vht_mcs[i]) | |
8280 | goto out; | |
24db78c0 SW |
8281 | |
8282 | /* legacy and mcs rates may not be both empty */ | |
204e35a9 | 8283 | return -EINVAL; |
13ae75b1 JM |
8284 | } |
8285 | } | |
8286 | ||
b9243ab0 | 8287 | out: |
e35e4d28 | 8288 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
8289 | } |
8290 | ||
2e161f78 | 8291 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 8292 | { |
4c476991 | 8293 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8294 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 8295 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
8296 | |
8297 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
8298 | return -EINVAL; | |
8299 | ||
2e161f78 JB |
8300 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
8301 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 8302 | |
71bbc994 JB |
8303 | switch (wdev->iftype) { |
8304 | case NL80211_IFTYPE_STATION: | |
8305 | case NL80211_IFTYPE_ADHOC: | |
8306 | case NL80211_IFTYPE_P2P_CLIENT: | |
8307 | case NL80211_IFTYPE_AP: | |
8308 | case NL80211_IFTYPE_AP_VLAN: | |
8309 | case NL80211_IFTYPE_MESH_POINT: | |
8310 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 8311 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
8312 | break; |
8313 | default: | |
4c476991 | 8314 | return -EOPNOTSUPP; |
71bbc994 | 8315 | } |
026331c4 JM |
8316 | |
8317 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
8318 | if (!rdev->ops->mgmt_tx) |
8319 | return -EOPNOTSUPP; | |
026331c4 | 8320 | |
15e47304 | 8321 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
8322 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
8323 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
8324 | } |
8325 | ||
2e161f78 | 8326 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 8327 | { |
4c476991 | 8328 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8329 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 8330 | struct cfg80211_chan_def chandef; |
026331c4 | 8331 | int err; |
d64d373f | 8332 | void *hdr = NULL; |
026331c4 | 8333 | u64 cookie; |
e247bd90 | 8334 | struct sk_buff *msg = NULL; |
b176e629 AO |
8335 | struct cfg80211_mgmt_tx_params params = { |
8336 | .dont_wait_for_ack = | |
8337 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
8338 | }; | |
026331c4 | 8339 | |
683b6d3b | 8340 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
8341 | return -EINVAL; |
8342 | ||
4c476991 JB |
8343 | if (!rdev->ops->mgmt_tx) |
8344 | return -EOPNOTSUPP; | |
026331c4 | 8345 | |
71bbc994 | 8346 | switch (wdev->iftype) { |
ea141b75 AQ |
8347 | case NL80211_IFTYPE_P2P_DEVICE: |
8348 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
8349 | return -EINVAL; | |
71bbc994 JB |
8350 | case NL80211_IFTYPE_STATION: |
8351 | case NL80211_IFTYPE_ADHOC: | |
8352 | case NL80211_IFTYPE_P2P_CLIENT: | |
8353 | case NL80211_IFTYPE_AP: | |
8354 | case NL80211_IFTYPE_AP_VLAN: | |
8355 | case NL80211_IFTYPE_MESH_POINT: | |
8356 | case NL80211_IFTYPE_P2P_GO: | |
8357 | break; | |
8358 | default: | |
4c476991 | 8359 | return -EOPNOTSUPP; |
71bbc994 | 8360 | } |
026331c4 | 8361 | |
f7ca38df | 8362 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 8363 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 8364 | return -EINVAL; |
b176e629 | 8365 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
8366 | |
8367 | /* | |
8368 | * We should wait on the channel for at least a minimum amount | |
8369 | * of time (10ms) but no longer than the driver supports. | |
8370 | */ | |
b176e629 AO |
8371 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
8372 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc JB |
8373 | return -EINVAL; |
8374 | ||
f7ca38df JB |
8375 | } |
8376 | ||
b176e629 | 8377 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 8378 | |
b176e629 | 8379 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
8380 | return -EINVAL; |
8381 | ||
b176e629 | 8382 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 8383 | |
ea141b75 AQ |
8384 | /* get the channel if any has been specified, otherwise pass NULL to |
8385 | * the driver. The latter will use the current one | |
8386 | */ | |
8387 | chandef.chan = NULL; | |
8388 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
8389 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
8390 | if (err) | |
8391 | return err; | |
8392 | } | |
8393 | ||
b176e629 | 8394 | if (!chandef.chan && params.offchan) |
ea141b75 | 8395 | return -EINVAL; |
026331c4 | 8396 | |
34d22ce2 AO |
8397 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
8398 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
8399 | ||
8400 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
8401 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
8402 | int i; | |
8403 | ||
8404 | if (len % sizeof(u16)) | |
8405 | return -EINVAL; | |
8406 | ||
8407 | params.n_csa_offsets = len / sizeof(u16); | |
8408 | params.csa_offsets = | |
8409 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
8410 | ||
8411 | /* check that all the offsets fit the frame */ | |
8412 | for (i = 0; i < params.n_csa_offsets; i++) { | |
8413 | if (params.csa_offsets[i] >= params.len) | |
8414 | return -EINVAL; | |
8415 | } | |
8416 | } | |
8417 | ||
b176e629 | 8418 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
8419 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
8420 | if (!msg) | |
8421 | return -ENOMEM; | |
026331c4 | 8422 | |
15e47304 | 8423 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 8424 | NL80211_CMD_FRAME); |
cb35fba3 DC |
8425 | if (!hdr) { |
8426 | err = -ENOBUFS; | |
e247bd90 JB |
8427 | goto free_msg; |
8428 | } | |
026331c4 | 8429 | } |
e247bd90 | 8430 | |
b176e629 AO |
8431 | params.chan = chandef.chan; |
8432 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
8433 | if (err) |
8434 | goto free_msg; | |
8435 | ||
e247bd90 | 8436 | if (msg) { |
9360ffd1 DM |
8437 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8438 | goto nla_put_failure; | |
026331c4 | 8439 | |
e247bd90 JB |
8440 | genlmsg_end(msg, hdr); |
8441 | return genlmsg_reply(msg, info); | |
8442 | } | |
8443 | ||
8444 | return 0; | |
026331c4 JM |
8445 | |
8446 | nla_put_failure: | |
8447 | err = -ENOBUFS; | |
8448 | free_msg: | |
8449 | nlmsg_free(msg); | |
026331c4 JM |
8450 | return err; |
8451 | } | |
8452 | ||
f7ca38df JB |
8453 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
8454 | { | |
8455 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 8456 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
8457 | u64 cookie; |
8458 | ||
8459 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
8460 | return -EINVAL; | |
8461 | ||
8462 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
8463 | return -EOPNOTSUPP; | |
8464 | ||
71bbc994 JB |
8465 | switch (wdev->iftype) { |
8466 | case NL80211_IFTYPE_STATION: | |
8467 | case NL80211_IFTYPE_ADHOC: | |
8468 | case NL80211_IFTYPE_P2P_CLIENT: | |
8469 | case NL80211_IFTYPE_AP: | |
8470 | case NL80211_IFTYPE_AP_VLAN: | |
8471 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 8472 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
8473 | break; |
8474 | default: | |
f7ca38df | 8475 | return -EOPNOTSUPP; |
71bbc994 | 8476 | } |
f7ca38df JB |
8477 | |
8478 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
8479 | ||
e35e4d28 | 8480 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
8481 | } |
8482 | ||
ffb9eb3d KV |
8483 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
8484 | { | |
4c476991 | 8485 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 8486 | struct wireless_dev *wdev; |
4c476991 | 8487 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
8488 | u8 ps_state; |
8489 | bool state; | |
8490 | int err; | |
8491 | ||
4c476991 JB |
8492 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
8493 | return -EINVAL; | |
ffb9eb3d KV |
8494 | |
8495 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
8496 | ||
4c476991 JB |
8497 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
8498 | return -EINVAL; | |
ffb9eb3d KV |
8499 | |
8500 | wdev = dev->ieee80211_ptr; | |
8501 | ||
4c476991 JB |
8502 | if (!rdev->ops->set_power_mgmt) |
8503 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
8504 | |
8505 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
8506 | ||
8507 | if (state == wdev->ps) | |
4c476991 | 8508 | return 0; |
ffb9eb3d | 8509 | |
e35e4d28 | 8510 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
8511 | if (!err) |
8512 | wdev->ps = state; | |
ffb9eb3d KV |
8513 | return err; |
8514 | } | |
8515 | ||
8516 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
8517 | { | |
4c476991 | 8518 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
8519 | enum nl80211_ps_state ps_state; |
8520 | struct wireless_dev *wdev; | |
4c476991 | 8521 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
8522 | struct sk_buff *msg; |
8523 | void *hdr; | |
8524 | int err; | |
8525 | ||
ffb9eb3d KV |
8526 | wdev = dev->ieee80211_ptr; |
8527 | ||
4c476991 JB |
8528 | if (!rdev->ops->set_power_mgmt) |
8529 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
8530 | |
8531 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
8532 | if (!msg) |
8533 | return -ENOMEM; | |
ffb9eb3d | 8534 | |
15e47304 | 8535 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
8536 | NL80211_CMD_GET_POWER_SAVE); |
8537 | if (!hdr) { | |
4c476991 | 8538 | err = -ENOBUFS; |
ffb9eb3d KV |
8539 | goto free_msg; |
8540 | } | |
8541 | ||
8542 | if (wdev->ps) | |
8543 | ps_state = NL80211_PS_ENABLED; | |
8544 | else | |
8545 | ps_state = NL80211_PS_DISABLED; | |
8546 | ||
9360ffd1 DM |
8547 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
8548 | goto nla_put_failure; | |
ffb9eb3d KV |
8549 | |
8550 | genlmsg_end(msg, hdr); | |
4c476991 | 8551 | return genlmsg_reply(msg, info); |
ffb9eb3d | 8552 | |
4c476991 | 8553 | nla_put_failure: |
ffb9eb3d | 8554 | err = -ENOBUFS; |
4c476991 | 8555 | free_msg: |
ffb9eb3d | 8556 | nlmsg_free(msg); |
ffb9eb3d KV |
8557 | return err; |
8558 | } | |
8559 | ||
94e860f1 JB |
8560 | static const struct nla_policy |
8561 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
8562 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
8563 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
8564 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
8565 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
8566 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
8567 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
8568 | }; |
8569 | ||
84f10708 | 8570 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 8571 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
8572 | { |
8573 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 8574 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8575 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 8576 | |
d9d8b019 | 8577 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
8578 | return -EINVAL; |
8579 | ||
84f10708 TP |
8580 | if (!rdev->ops->set_cqm_txe_config) |
8581 | return -EOPNOTSUPP; | |
8582 | ||
8583 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
8584 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
8585 | return -EOPNOTSUPP; | |
8586 | ||
e35e4d28 | 8587 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
8588 | } |
8589 | ||
d6dc1a38 JO |
8590 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
8591 | s32 threshold, u32 hysteresis) | |
8592 | { | |
4c476991 | 8593 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 8594 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8595 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
8596 | |
8597 | if (threshold > 0) | |
8598 | return -EINVAL; | |
8599 | ||
1da5fcc8 JB |
8600 | /* disabling - hysteresis should also be zero then */ |
8601 | if (threshold == 0) | |
8602 | hysteresis = 0; | |
d6dc1a38 | 8603 | |
4c476991 JB |
8604 | if (!rdev->ops->set_cqm_rssi_config) |
8605 | return -EOPNOTSUPP; | |
d6dc1a38 | 8606 | |
074ac8df | 8607 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8608 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8609 | return -EOPNOTSUPP; | |
d6dc1a38 | 8610 | |
e35e4d28 | 8611 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
8612 | } |
8613 | ||
8614 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
8615 | { | |
8616 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
8617 | struct nlattr *cqm; | |
8618 | int err; | |
8619 | ||
8620 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
8621 | if (!cqm) |
8622 | return -EINVAL; | |
d6dc1a38 JO |
8623 | |
8624 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
8625 | nl80211_attr_cqm_policy); | |
8626 | if (err) | |
1da5fcc8 | 8627 | return err; |
d6dc1a38 JO |
8628 | |
8629 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
8630 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
8631 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
8632 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 8633 | |
1da5fcc8 JB |
8634 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
8635 | } | |
8636 | ||
8637 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
8638 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
8639 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
8640 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
8641 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
8642 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
8643 | ||
8644 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
8645 | } | |
8646 | ||
8647 | return -EINVAL; | |
d6dc1a38 JO |
8648 | } |
8649 | ||
6e0bd6c3 RL |
8650 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
8651 | { | |
8652 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8653 | struct net_device *dev = info->user_ptr[1]; | |
8654 | struct ocb_setup setup = {}; | |
8655 | int err; | |
8656 | ||
8657 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
8658 | if (err) | |
8659 | return err; | |
8660 | ||
8661 | return cfg80211_join_ocb(rdev, dev, &setup); | |
8662 | } | |
8663 | ||
8664 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
8665 | { | |
8666 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8667 | struct net_device *dev = info->user_ptr[1]; | |
8668 | ||
8669 | return cfg80211_leave_ocb(rdev, dev); | |
8670 | } | |
8671 | ||
29cbe68c JB |
8672 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
8673 | { | |
8674 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8675 | struct net_device *dev = info->user_ptr[1]; | |
8676 | struct mesh_config cfg; | |
c80d545d | 8677 | struct mesh_setup setup; |
29cbe68c JB |
8678 | int err; |
8679 | ||
8680 | /* start with default */ | |
8681 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 8682 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 8683 | |
24bdd9f4 | 8684 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 8685 | /* and parse parameters if given */ |
24bdd9f4 | 8686 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
8687 | if (err) |
8688 | return err; | |
8689 | } | |
8690 | ||
8691 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
8692 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
8693 | return -EINVAL; | |
8694 | ||
c80d545d JC |
8695 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
8696 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
8697 | ||
4bb62344 CYY |
8698 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8699 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
8700 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8701 | return -EINVAL; | |
8702 | ||
9bdbf04d MP |
8703 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
8704 | setup.beacon_interval = | |
8705 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
8706 | if (setup.beacon_interval < 10 || | |
8707 | setup.beacon_interval > 10000) | |
8708 | return -EINVAL; | |
8709 | } | |
8710 | ||
8711 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
8712 | setup.dtim_period = | |
8713 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
8714 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
8715 | return -EINVAL; | |
8716 | } | |
8717 | ||
c80d545d JC |
8718 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
8719 | /* parse additional setup parameters if given */ | |
8720 | err = nl80211_parse_mesh_setup(info, &setup); | |
8721 | if (err) | |
8722 | return err; | |
8723 | } | |
8724 | ||
d37bb18a TP |
8725 | if (setup.user_mpm) |
8726 | cfg.auto_open_plinks = false; | |
8727 | ||
cc1d2806 | 8728 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
8729 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
8730 | if (err) | |
8731 | return err; | |
cc1d2806 JB |
8732 | } else { |
8733 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 8734 | setup.chandef.chan = NULL; |
cc1d2806 JB |
8735 | } |
8736 | ||
ffb3cf30 AN |
8737 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8738 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8739 | int n_rates = | |
8740 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8741 | struct ieee80211_supported_band *sband; | |
8742 | ||
8743 | if (!setup.chandef.chan) | |
8744 | return -EINVAL; | |
8745 | ||
8746 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
8747 | ||
8748 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
8749 | &setup.basic_rates); | |
8750 | if (err) | |
8751 | return err; | |
8752 | } | |
8753 | ||
c80d545d | 8754 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
8755 | } |
8756 | ||
8757 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
8758 | { | |
8759 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8760 | struct net_device *dev = info->user_ptr[1]; | |
8761 | ||
8762 | return cfg80211_leave_mesh(rdev, dev); | |
8763 | } | |
8764 | ||
dfb89c56 | 8765 | #ifdef CONFIG_PM |
bb92d199 AK |
8766 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
8767 | struct cfg80211_registered_device *rdev) | |
8768 | { | |
6abb9cb9 | 8769 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
8770 | struct nlattr *nl_pats, *nl_pat; |
8771 | int i, pat_len; | |
8772 | ||
6abb9cb9 | 8773 | if (!wowlan->n_patterns) |
bb92d199 AK |
8774 | return 0; |
8775 | ||
8776 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
8777 | if (!nl_pats) | |
8778 | return -ENOBUFS; | |
8779 | ||
6abb9cb9 | 8780 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
8781 | nl_pat = nla_nest_start(msg, i + 1); |
8782 | if (!nl_pat) | |
8783 | return -ENOBUFS; | |
6abb9cb9 | 8784 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 8785 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 8786 | wowlan->patterns[i].mask) || |
50ac6607 AK |
8787 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
8788 | wowlan->patterns[i].pattern) || | |
8789 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 8790 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
8791 | return -ENOBUFS; |
8792 | nla_nest_end(msg, nl_pat); | |
8793 | } | |
8794 | nla_nest_end(msg, nl_pats); | |
8795 | ||
8796 | return 0; | |
8797 | } | |
8798 | ||
2a0e047e JB |
8799 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
8800 | struct cfg80211_wowlan_tcp *tcp) | |
8801 | { | |
8802 | struct nlattr *nl_tcp; | |
8803 | ||
8804 | if (!tcp) | |
8805 | return 0; | |
8806 | ||
8807 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
8808 | if (!nl_tcp) | |
8809 | return -ENOBUFS; | |
8810 | ||
930345ea JB |
8811 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
8812 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
8813 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
8814 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
8815 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
8816 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
8817 | tcp->payload_len, tcp->payload) || | |
8818 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
8819 | tcp->data_interval) || | |
8820 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
8821 | tcp->wake_len, tcp->wake_data) || | |
8822 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
8823 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
8824 | return -ENOBUFS; | |
8825 | ||
8826 | if (tcp->payload_seq.len && | |
8827 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
8828 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
8829 | return -ENOBUFS; | |
8830 | ||
8831 | if (tcp->payload_tok.len && | |
8832 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
8833 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
8834 | &tcp->payload_tok)) | |
8835 | return -ENOBUFS; | |
8836 | ||
e248ad30 JB |
8837 | nla_nest_end(msg, nl_tcp); |
8838 | ||
2a0e047e JB |
8839 | return 0; |
8840 | } | |
8841 | ||
75453ccb LC |
8842 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
8843 | struct cfg80211_sched_scan_request *req) | |
8844 | { | |
8845 | struct nlattr *nd, *freqs, *matches, *match; | |
8846 | int i; | |
8847 | ||
8848 | if (!req) | |
8849 | return 0; | |
8850 | ||
8851 | nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT); | |
8852 | if (!nd) | |
8853 | return -ENOBUFS; | |
8854 | ||
8855 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, req->interval)) | |
8856 | return -ENOBUFS; | |
8857 | ||
21fea567 LC |
8858 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
8859 | return -ENOBUFS; | |
8860 | ||
75453ccb LC |
8861 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
8862 | if (!freqs) | |
8863 | return -ENOBUFS; | |
8864 | ||
8865 | for (i = 0; i < req->n_channels; i++) | |
8866 | nla_put_u32(msg, i, req->channels[i]->center_freq); | |
8867 | ||
8868 | nla_nest_end(msg, freqs); | |
8869 | ||
8870 | if (req->n_match_sets) { | |
8871 | matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
8872 | for (i = 0; i < req->n_match_sets; i++) { | |
8873 | match = nla_nest_start(msg, i); | |
8874 | nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, | |
8875 | req->match_sets[i].ssid.ssid_len, | |
8876 | req->match_sets[i].ssid.ssid); | |
8877 | nla_nest_end(msg, match); | |
8878 | } | |
8879 | nla_nest_end(msg, matches); | |
8880 | } | |
8881 | ||
8882 | nla_nest_end(msg, nd); | |
8883 | ||
8884 | return 0; | |
8885 | } | |
8886 | ||
ff1b6e69 JB |
8887 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
8888 | { | |
8889 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8890 | struct sk_buff *msg; | |
8891 | void *hdr; | |
2a0e047e | 8892 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 8893 | |
964dc9e2 | 8894 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
8895 | return -EOPNOTSUPP; |
8896 | ||
6abb9cb9 | 8897 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 8898 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
8899 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
8900 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
8901 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
8902 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
8903 | } |
8904 | ||
8905 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
8906 | if (!msg) |
8907 | return -ENOMEM; | |
8908 | ||
15e47304 | 8909 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
8910 | NL80211_CMD_GET_WOWLAN); |
8911 | if (!hdr) | |
8912 | goto nla_put_failure; | |
8913 | ||
6abb9cb9 | 8914 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
8915 | struct nlattr *nl_wowlan; |
8916 | ||
8917 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
8918 | if (!nl_wowlan) | |
8919 | goto nla_put_failure; | |
8920 | ||
6abb9cb9 | 8921 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 8922 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 8923 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 8924 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 8925 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 8926 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 8927 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 8928 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 8929 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 8930 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 8931 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 8932 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 8933 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
8934 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
8935 | goto nla_put_failure; | |
2a0e047e | 8936 | |
bb92d199 AK |
8937 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
8938 | goto nla_put_failure; | |
2a0e047e | 8939 | |
6abb9cb9 JB |
8940 | if (nl80211_send_wowlan_tcp(msg, |
8941 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 8942 | goto nla_put_failure; |
75453ccb LC |
8943 | |
8944 | if (nl80211_send_wowlan_nd( | |
8945 | msg, | |
8946 | rdev->wiphy.wowlan_config->nd_config)) | |
8947 | goto nla_put_failure; | |
2a0e047e | 8948 | |
ff1b6e69 JB |
8949 | nla_nest_end(msg, nl_wowlan); |
8950 | } | |
8951 | ||
8952 | genlmsg_end(msg, hdr); | |
8953 | return genlmsg_reply(msg, info); | |
8954 | ||
8955 | nla_put_failure: | |
8956 | nlmsg_free(msg); | |
8957 | return -ENOBUFS; | |
8958 | } | |
8959 | ||
2a0e047e JB |
8960 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
8961 | struct nlattr *attr, | |
8962 | struct cfg80211_wowlan *trig) | |
8963 | { | |
8964 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
8965 | struct cfg80211_wowlan_tcp *cfg; | |
8966 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
8967 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
8968 | u32 size; | |
8969 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
8970 | int err, port; | |
8971 | ||
964dc9e2 | 8972 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
8973 | return -EINVAL; |
8974 | ||
8975 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
8976 | nla_data(attr), nla_len(attr), | |
8977 | nl80211_wowlan_tcp_policy); | |
8978 | if (err) | |
8979 | return err; | |
8980 | ||
8981 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8982 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8983 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8984 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8985 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8986 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8987 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8988 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8989 | return -EINVAL; | |
8990 | ||
8991 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8992 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8993 | return -EINVAL; |
8994 | ||
8995 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8996 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8997 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8998 | return -EINVAL; |
8999 | ||
9000 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 9001 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
9002 | return -EINVAL; |
9003 | ||
9004 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
9005 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
9006 | return -EINVAL; | |
9007 | ||
9008 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
9009 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9010 | ||
9011 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9012 | tokens_size = tokln - sizeof(*tok); | |
9013 | ||
9014 | if (!tok->len || tokens_size % tok->len) | |
9015 | return -EINVAL; | |
964dc9e2 | 9016 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 9017 | return -EINVAL; |
964dc9e2 | 9018 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 9019 | return -EINVAL; |
964dc9e2 | 9020 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 9021 | return -EINVAL; |
964dc9e2 | 9022 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
9023 | return -EINVAL; |
9024 | if (tok->offset + tok->len > data_size) | |
9025 | return -EINVAL; | |
9026 | } | |
9027 | ||
9028 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
9029 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 9030 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
9031 | return -EINVAL; |
9032 | if (seq->len == 0 || seq->len > 4) | |
9033 | return -EINVAL; | |
9034 | if (seq->len + seq->offset > data_size) | |
9035 | return -EINVAL; | |
9036 | } | |
9037 | ||
9038 | size = sizeof(*cfg); | |
9039 | size += data_size; | |
9040 | size += wake_size + wake_mask_size; | |
9041 | size += tokens_size; | |
9042 | ||
9043 | cfg = kzalloc(size, GFP_KERNEL); | |
9044 | if (!cfg) | |
9045 | return -ENOMEM; | |
67b61f6c JB |
9046 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
9047 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
9048 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
9049 | ETH_ALEN); | |
9050 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
9051 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
9052 | else | |
9053 | port = 0; | |
9054 | #ifdef CONFIG_INET | |
9055 | /* allocate a socket and port for it and use it */ | |
9056 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
9057 | IPPROTO_TCP, &cfg->sock, 1); | |
9058 | if (err) { | |
9059 | kfree(cfg); | |
9060 | return err; | |
9061 | } | |
9062 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
9063 | sock_release(cfg->sock); | |
9064 | kfree(cfg); | |
9065 | return -EADDRINUSE; | |
9066 | } | |
9067 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
9068 | #else | |
9069 | if (!port) { | |
9070 | kfree(cfg); | |
9071 | return -EINVAL; | |
9072 | } | |
9073 | cfg->src_port = port; | |
9074 | #endif | |
9075 | ||
9076 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
9077 | cfg->payload_len = data_size; | |
9078 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
9079 | memcpy((void *)cfg->payload, | |
9080 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
9081 | data_size); | |
9082 | if (seq) | |
9083 | cfg->payload_seq = *seq; | |
9084 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
9085 | cfg->wake_len = wake_size; | |
9086 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
9087 | memcpy((void *)cfg->wake_data, | |
9088 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
9089 | wake_size); | |
9090 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
9091 | data_size + wake_size; | |
9092 | memcpy((void *)cfg->wake_mask, | |
9093 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
9094 | wake_mask_size); | |
9095 | if (tok) { | |
9096 | cfg->tokens_size = tokens_size; | |
9097 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
9098 | } | |
9099 | ||
9100 | trig->tcp = cfg; | |
9101 | ||
9102 | return 0; | |
9103 | } | |
9104 | ||
8cd4d456 LC |
9105 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
9106 | const struct wiphy_wowlan_support *wowlan, | |
9107 | struct nlattr *attr, | |
9108 | struct cfg80211_wowlan *trig) | |
9109 | { | |
9110 | struct nlattr **tb; | |
9111 | int err; | |
9112 | ||
9113 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
9114 | if (!tb) | |
9115 | return -ENOMEM; | |
9116 | ||
9117 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
9118 | err = -EOPNOTSUPP; | |
9119 | goto out; | |
9120 | } | |
9121 | ||
9122 | err = nla_parse(tb, NL80211_ATTR_MAX, | |
9123 | nla_data(attr), nla_len(attr), | |
9124 | nl80211_policy); | |
9125 | if (err) | |
9126 | goto out; | |
9127 | ||
ad2b26ab | 9128 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb); |
8cd4d456 LC |
9129 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
9130 | if (err) | |
9131 | trig->nd_config = NULL; | |
9132 | ||
9133 | out: | |
9134 | kfree(tb); | |
9135 | return err; | |
9136 | } | |
9137 | ||
ff1b6e69 JB |
9138 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
9139 | { | |
9140 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9141 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 9142 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 9143 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 9144 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 9145 | int err, i; |
6abb9cb9 | 9146 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 9147 | bool regular = false; |
ff1b6e69 | 9148 | |
964dc9e2 | 9149 | if (!wowlan) |
ff1b6e69 JB |
9150 | return -EOPNOTSUPP; |
9151 | ||
ae33bd81 JB |
9152 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
9153 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 9154 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
9155 | goto set_wakeup; |
9156 | } | |
ff1b6e69 JB |
9157 | |
9158 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
9159 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
9160 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
9161 | nl80211_wowlan_policy); | |
9162 | if (err) | |
9163 | return err; | |
9164 | ||
9165 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
9166 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
9167 | return -EINVAL; | |
9168 | new_triggers.any = true; | |
9169 | } | |
9170 | ||
9171 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
9172 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
9173 | return -EINVAL; | |
9174 | new_triggers.disconnect = true; | |
98fc4386 | 9175 | regular = true; |
ff1b6e69 JB |
9176 | } |
9177 | ||
9178 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
9179 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
9180 | return -EINVAL; | |
9181 | new_triggers.magic_pkt = true; | |
98fc4386 | 9182 | regular = true; |
ff1b6e69 JB |
9183 | } |
9184 | ||
77dbbb13 JB |
9185 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
9186 | return -EINVAL; | |
9187 | ||
9188 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
9189 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
9190 | return -EINVAL; | |
9191 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 9192 | regular = true; |
77dbbb13 JB |
9193 | } |
9194 | ||
9195 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
9196 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
9197 | return -EINVAL; | |
9198 | new_triggers.eap_identity_req = true; | |
98fc4386 | 9199 | regular = true; |
77dbbb13 JB |
9200 | } |
9201 | ||
9202 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
9203 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
9204 | return -EINVAL; | |
9205 | new_triggers.four_way_handshake = true; | |
98fc4386 | 9206 | regular = true; |
77dbbb13 JB |
9207 | } |
9208 | ||
9209 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
9210 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
9211 | return -EINVAL; | |
9212 | new_triggers.rfkill_release = true; | |
98fc4386 | 9213 | regular = true; |
77dbbb13 JB |
9214 | } |
9215 | ||
ff1b6e69 JB |
9216 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
9217 | struct nlattr *pat; | |
9218 | int n_patterns = 0; | |
bb92d199 | 9219 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 9220 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 9221 | |
98fc4386 JB |
9222 | regular = true; |
9223 | ||
ff1b6e69 JB |
9224 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
9225 | rem) | |
9226 | n_patterns++; | |
9227 | if (n_patterns > wowlan->n_patterns) | |
9228 | return -EINVAL; | |
9229 | ||
9230 | new_triggers.patterns = kcalloc(n_patterns, | |
9231 | sizeof(new_triggers.patterns[0]), | |
9232 | GFP_KERNEL); | |
9233 | if (!new_triggers.patterns) | |
9234 | return -ENOMEM; | |
9235 | ||
9236 | new_triggers.n_patterns = n_patterns; | |
9237 | i = 0; | |
9238 | ||
9239 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
9240 | rem) { | |
922bd80f JB |
9241 | u8 *mask_pat; |
9242 | ||
50ac6607 AK |
9243 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
9244 | nla_len(pat), NULL); | |
ff1b6e69 | 9245 | err = -EINVAL; |
50ac6607 AK |
9246 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
9247 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 9248 | goto error; |
50ac6607 | 9249 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 9250 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 9251 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
9252 | goto error; |
9253 | if (pat_len > wowlan->pattern_max_len || | |
9254 | pat_len < wowlan->pattern_min_len) | |
9255 | goto error; | |
9256 | ||
50ac6607 | 9257 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
9258 | pkt_offset = 0; |
9259 | else | |
9260 | pkt_offset = nla_get_u32( | |
50ac6607 | 9261 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
9262 | if (pkt_offset > wowlan->max_pkt_offset) |
9263 | goto error; | |
9264 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
9265 | ||
922bd80f JB |
9266 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
9267 | if (!mask_pat) { | |
ff1b6e69 JB |
9268 | err = -ENOMEM; |
9269 | goto error; | |
9270 | } | |
922bd80f JB |
9271 | new_triggers.patterns[i].mask = mask_pat; |
9272 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 9273 | mask_len); |
922bd80f JB |
9274 | mask_pat += mask_len; |
9275 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 9276 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 9277 | memcpy(mask_pat, |
50ac6607 | 9278 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
9279 | pat_len); |
9280 | i++; | |
9281 | } | |
9282 | } | |
9283 | ||
2a0e047e | 9284 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 9285 | regular = true; |
2a0e047e JB |
9286 | err = nl80211_parse_wowlan_tcp( |
9287 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
9288 | &new_triggers); | |
9289 | if (err) | |
9290 | goto error; | |
9291 | } | |
9292 | ||
8cd4d456 | 9293 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 9294 | regular = true; |
8cd4d456 LC |
9295 | err = nl80211_parse_wowlan_nd( |
9296 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
9297 | &new_triggers); | |
9298 | if (err) | |
9299 | goto error; | |
9300 | } | |
9301 | ||
98fc4386 JB |
9302 | /* The 'any' trigger means the device continues operating more or less |
9303 | * as in its normal operation mode and wakes up the host on most of the | |
9304 | * normal interrupts (like packet RX, ...) | |
9305 | * It therefore makes little sense to combine with the more constrained | |
9306 | * wakeup trigger modes. | |
9307 | */ | |
9308 | if (new_triggers.any && regular) { | |
9309 | err = -EINVAL; | |
9310 | goto error; | |
9311 | } | |
9312 | ||
ae33bd81 JB |
9313 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
9314 | if (!ntrig) { | |
9315 | err = -ENOMEM; | |
9316 | goto error; | |
ff1b6e69 | 9317 | } |
ae33bd81 | 9318 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 9319 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 9320 | |
ae33bd81 | 9321 | set_wakeup: |
6abb9cb9 JB |
9322 | if (rdev->ops->set_wakeup && |
9323 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
9324 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 9325 | |
ff1b6e69 JB |
9326 | return 0; |
9327 | error: | |
9328 | for (i = 0; i < new_triggers.n_patterns; i++) | |
9329 | kfree(new_triggers.patterns[i].mask); | |
9330 | kfree(new_triggers.patterns); | |
2a0e047e JB |
9331 | if (new_triggers.tcp && new_triggers.tcp->sock) |
9332 | sock_release(new_triggers.tcp->sock); | |
9333 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
9334 | return err; |
9335 | } | |
dfb89c56 | 9336 | #endif |
ff1b6e69 | 9337 | |
be29b99a AK |
9338 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
9339 | struct cfg80211_registered_device *rdev) | |
9340 | { | |
9341 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
9342 | int i, j, pat_len; | |
9343 | struct cfg80211_coalesce_rules *rule; | |
9344 | ||
9345 | if (!rdev->coalesce->n_rules) | |
9346 | return 0; | |
9347 | ||
9348 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
9349 | if (!nl_rules) | |
9350 | return -ENOBUFS; | |
9351 | ||
9352 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
9353 | nl_rule = nla_nest_start(msg, i + 1); | |
9354 | if (!nl_rule) | |
9355 | return -ENOBUFS; | |
9356 | ||
9357 | rule = &rdev->coalesce->rules[i]; | |
9358 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
9359 | rule->delay)) | |
9360 | return -ENOBUFS; | |
9361 | ||
9362 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
9363 | rule->condition)) | |
9364 | return -ENOBUFS; | |
9365 | ||
9366 | nl_pats = nla_nest_start(msg, | |
9367 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
9368 | if (!nl_pats) | |
9369 | return -ENOBUFS; | |
9370 | ||
9371 | for (j = 0; j < rule->n_patterns; j++) { | |
9372 | nl_pat = nla_nest_start(msg, j + 1); | |
9373 | if (!nl_pat) | |
9374 | return -ENOBUFS; | |
9375 | pat_len = rule->patterns[j].pattern_len; | |
9376 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
9377 | DIV_ROUND_UP(pat_len, 8), | |
9378 | rule->patterns[j].mask) || | |
9379 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
9380 | rule->patterns[j].pattern) || | |
9381 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
9382 | rule->patterns[j].pkt_offset)) | |
9383 | return -ENOBUFS; | |
9384 | nla_nest_end(msg, nl_pat); | |
9385 | } | |
9386 | nla_nest_end(msg, nl_pats); | |
9387 | nla_nest_end(msg, nl_rule); | |
9388 | } | |
9389 | nla_nest_end(msg, nl_rules); | |
9390 | ||
9391 | return 0; | |
9392 | } | |
9393 | ||
9394 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
9395 | { | |
9396 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9397 | struct sk_buff *msg; | |
9398 | void *hdr; | |
9399 | ||
9400 | if (!rdev->wiphy.coalesce) | |
9401 | return -EOPNOTSUPP; | |
9402 | ||
9403 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9404 | if (!msg) | |
9405 | return -ENOMEM; | |
9406 | ||
9407 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
9408 | NL80211_CMD_GET_COALESCE); | |
9409 | if (!hdr) | |
9410 | goto nla_put_failure; | |
9411 | ||
9412 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
9413 | goto nla_put_failure; | |
9414 | ||
9415 | genlmsg_end(msg, hdr); | |
9416 | return genlmsg_reply(msg, info); | |
9417 | ||
9418 | nla_put_failure: | |
9419 | nlmsg_free(msg); | |
9420 | return -ENOBUFS; | |
9421 | } | |
9422 | ||
9423 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
9424 | { | |
9425 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
9426 | int i, j; | |
9427 | struct cfg80211_coalesce_rules *rule; | |
9428 | ||
9429 | if (!coalesce) | |
9430 | return; | |
9431 | ||
9432 | for (i = 0; i < coalesce->n_rules; i++) { | |
9433 | rule = &coalesce->rules[i]; | |
9434 | for (j = 0; j < rule->n_patterns; j++) | |
9435 | kfree(rule->patterns[j].mask); | |
9436 | kfree(rule->patterns); | |
9437 | } | |
9438 | kfree(coalesce->rules); | |
9439 | kfree(coalesce); | |
9440 | rdev->coalesce = NULL; | |
9441 | } | |
9442 | ||
9443 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
9444 | struct nlattr *rule, | |
9445 | struct cfg80211_coalesce_rules *new_rule) | |
9446 | { | |
9447 | int err, i; | |
9448 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
9449 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
9450 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
9451 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
9452 | ||
9453 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
9454 | nla_len(rule), nl80211_coalesce_policy); | |
9455 | if (err) | |
9456 | return err; | |
9457 | ||
9458 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
9459 | new_rule->delay = | |
9460 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
9461 | if (new_rule->delay > coalesce->max_delay) | |
9462 | return -EINVAL; | |
9463 | ||
9464 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
9465 | new_rule->condition = | |
9466 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
9467 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
9468 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
9469 | return -EINVAL; | |
9470 | ||
9471 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
9472 | return -EINVAL; | |
9473 | ||
9474 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
9475 | rem) | |
9476 | n_patterns++; | |
9477 | if (n_patterns > coalesce->n_patterns) | |
9478 | return -EINVAL; | |
9479 | ||
9480 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
9481 | GFP_KERNEL); | |
9482 | if (!new_rule->patterns) | |
9483 | return -ENOMEM; | |
9484 | ||
9485 | new_rule->n_patterns = n_patterns; | |
9486 | i = 0; | |
9487 | ||
9488 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
9489 | rem) { | |
922bd80f JB |
9490 | u8 *mask_pat; |
9491 | ||
be29b99a AK |
9492 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
9493 | nla_len(pat), NULL); | |
9494 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
9495 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
9496 | return -EINVAL; | |
9497 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
9498 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
9499 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
9500 | return -EINVAL; | |
9501 | if (pat_len > coalesce->pattern_max_len || | |
9502 | pat_len < coalesce->pattern_min_len) | |
9503 | return -EINVAL; | |
9504 | ||
9505 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
9506 | pkt_offset = 0; | |
9507 | else | |
9508 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
9509 | if (pkt_offset > coalesce->max_pkt_offset) | |
9510 | return -EINVAL; | |
9511 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
9512 | ||
922bd80f JB |
9513 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
9514 | if (!mask_pat) | |
be29b99a | 9515 | return -ENOMEM; |
922bd80f JB |
9516 | |
9517 | new_rule->patterns[i].mask = mask_pat; | |
9518 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
9519 | mask_len); | |
9520 | ||
9521 | mask_pat += mask_len; | |
9522 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 9523 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
9524 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
9525 | pat_len); | |
be29b99a AK |
9526 | i++; |
9527 | } | |
9528 | ||
9529 | return 0; | |
9530 | } | |
9531 | ||
9532 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
9533 | { | |
9534 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9535 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
9536 | struct cfg80211_coalesce new_coalesce = {}; | |
9537 | struct cfg80211_coalesce *n_coalesce; | |
9538 | int err, rem_rule, n_rules = 0, i, j; | |
9539 | struct nlattr *rule; | |
9540 | struct cfg80211_coalesce_rules *tmp_rule; | |
9541 | ||
9542 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
9543 | return -EOPNOTSUPP; | |
9544 | ||
9545 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
9546 | cfg80211_rdev_free_coalesce(rdev); | |
9547 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
9548 | return 0; | |
9549 | } | |
9550 | ||
9551 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
9552 | rem_rule) | |
9553 | n_rules++; | |
9554 | if (n_rules > coalesce->n_rules) | |
9555 | return -EINVAL; | |
9556 | ||
9557 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
9558 | GFP_KERNEL); | |
9559 | if (!new_coalesce.rules) | |
9560 | return -ENOMEM; | |
9561 | ||
9562 | new_coalesce.n_rules = n_rules; | |
9563 | i = 0; | |
9564 | ||
9565 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
9566 | rem_rule) { | |
9567 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
9568 | &new_coalesce.rules[i]); | |
9569 | if (err) | |
9570 | goto error; | |
9571 | ||
9572 | i++; | |
9573 | } | |
9574 | ||
9575 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
9576 | if (err) | |
9577 | goto error; | |
9578 | ||
9579 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
9580 | if (!n_coalesce) { | |
9581 | err = -ENOMEM; | |
9582 | goto error; | |
9583 | } | |
9584 | cfg80211_rdev_free_coalesce(rdev); | |
9585 | rdev->coalesce = n_coalesce; | |
9586 | ||
9587 | return 0; | |
9588 | error: | |
9589 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
9590 | tmp_rule = &new_coalesce.rules[i]; | |
9591 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
9592 | kfree(tmp_rule->patterns[j].mask); | |
9593 | kfree(tmp_rule->patterns); | |
9594 | } | |
9595 | kfree(new_coalesce.rules); | |
9596 | ||
9597 | return err; | |
9598 | } | |
9599 | ||
e5497d76 JB |
9600 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
9601 | { | |
9602 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9603 | struct net_device *dev = info->user_ptr[1]; | |
9604 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9605 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
9606 | struct cfg80211_gtk_rekey_data rekey_data; | |
9607 | int err; | |
9608 | ||
9609 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
9610 | return -EINVAL; | |
9611 | ||
9612 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
9613 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
9614 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
9615 | nl80211_rekey_policy); | |
9616 | if (err) | |
9617 | return err; | |
9618 | ||
9619 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
9620 | return -ERANGE; | |
9621 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
9622 | return -ERANGE; | |
9623 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
9624 | return -ERANGE; | |
9625 | ||
78f686ca JB |
9626 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
9627 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
9628 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
9629 | |
9630 | wdev_lock(wdev); | |
9631 | if (!wdev->current_bss) { | |
9632 | err = -ENOTCONN; | |
9633 | goto out; | |
9634 | } | |
9635 | ||
9636 | if (!rdev->ops->set_rekey_data) { | |
9637 | err = -EOPNOTSUPP; | |
9638 | goto out; | |
9639 | } | |
9640 | ||
e35e4d28 | 9641 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
9642 | out: |
9643 | wdev_unlock(wdev); | |
9644 | return err; | |
9645 | } | |
9646 | ||
28946da7 JB |
9647 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
9648 | struct genl_info *info) | |
9649 | { | |
9650 | struct net_device *dev = info->user_ptr[1]; | |
9651 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9652 | ||
9653 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
9654 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
9655 | return -EINVAL; | |
9656 | ||
15e47304 | 9657 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
9658 | return -EBUSY; |
9659 | ||
15e47304 | 9660 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
9661 | return 0; |
9662 | } | |
9663 | ||
7f6cf311 JB |
9664 | static int nl80211_probe_client(struct sk_buff *skb, |
9665 | struct genl_info *info) | |
9666 | { | |
9667 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9668 | struct net_device *dev = info->user_ptr[1]; | |
9669 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9670 | struct sk_buff *msg; | |
9671 | void *hdr; | |
9672 | const u8 *addr; | |
9673 | u64 cookie; | |
9674 | int err; | |
9675 | ||
9676 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
9677 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
9678 | return -EOPNOTSUPP; | |
9679 | ||
9680 | if (!info->attrs[NL80211_ATTR_MAC]) | |
9681 | return -EINVAL; | |
9682 | ||
9683 | if (!rdev->ops->probe_client) | |
9684 | return -EOPNOTSUPP; | |
9685 | ||
9686 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9687 | if (!msg) | |
9688 | return -ENOMEM; | |
9689 | ||
15e47304 | 9690 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 9691 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
9692 | if (!hdr) { |
9693 | err = -ENOBUFS; | |
7f6cf311 JB |
9694 | goto free_msg; |
9695 | } | |
9696 | ||
9697 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9698 | ||
e35e4d28 | 9699 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
9700 | if (err) |
9701 | goto free_msg; | |
9702 | ||
9360ffd1 DM |
9703 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
9704 | goto nla_put_failure; | |
7f6cf311 JB |
9705 | |
9706 | genlmsg_end(msg, hdr); | |
9707 | ||
9708 | return genlmsg_reply(msg, info); | |
9709 | ||
9710 | nla_put_failure: | |
9711 | err = -ENOBUFS; | |
9712 | free_msg: | |
9713 | nlmsg_free(msg); | |
9714 | return err; | |
9715 | } | |
9716 | ||
5e760230 JB |
9717 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
9718 | { | |
9719 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
9720 | struct cfg80211_beacon_registration *reg, *nreg; |
9721 | int rv; | |
5e760230 JB |
9722 | |
9723 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
9724 | return -EOPNOTSUPP; | |
9725 | ||
37c73b5f BG |
9726 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
9727 | if (!nreg) | |
9728 | return -ENOMEM; | |
9729 | ||
9730 | /* First, check if already registered. */ | |
9731 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
9732 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
9733 | if (reg->nlportid == info->snd_portid) { | |
9734 | rv = -EALREADY; | |
9735 | goto out_err; | |
9736 | } | |
9737 | } | |
9738 | /* Add it to the list */ | |
9739 | nreg->nlportid = info->snd_portid; | |
9740 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 9741 | |
37c73b5f | 9742 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
9743 | |
9744 | return 0; | |
37c73b5f BG |
9745 | out_err: |
9746 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
9747 | kfree(nreg); | |
9748 | return rv; | |
5e760230 JB |
9749 | } |
9750 | ||
98104fde JB |
9751 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
9752 | { | |
9753 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9754 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9755 | int err; | |
9756 | ||
9757 | if (!rdev->ops->start_p2p_device) | |
9758 | return -EOPNOTSUPP; | |
9759 | ||
9760 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9761 | return -EOPNOTSUPP; | |
9762 | ||
9763 | if (wdev->p2p_started) | |
9764 | return 0; | |
9765 | ||
b6a55015 LC |
9766 | if (rfkill_blocked(rdev->rfkill)) |
9767 | return -ERFKILL; | |
98104fde | 9768 | |
eeb126e9 | 9769 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
9770 | if (err) |
9771 | return err; | |
9772 | ||
9773 | wdev->p2p_started = true; | |
98104fde | 9774 | rdev->opencount++; |
98104fde JB |
9775 | |
9776 | return 0; | |
9777 | } | |
9778 | ||
9779 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
9780 | { | |
9781 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9782 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9783 | ||
9784 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9785 | return -EOPNOTSUPP; | |
9786 | ||
9787 | if (!rdev->ops->stop_p2p_device) | |
9788 | return -EOPNOTSUPP; | |
9789 | ||
f9f47529 | 9790 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
9791 | |
9792 | return 0; | |
9793 | } | |
9794 | ||
3713b4e3 JB |
9795 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
9796 | struct genl_info *info) | |
9797 | { | |
9798 | void *hdr; | |
9799 | struct sk_buff *msg; | |
9800 | ||
9801 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9802 | if (!msg) | |
9803 | return -ENOMEM; | |
9804 | ||
9805 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
9806 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
9807 | if (!hdr) | |
9808 | goto nla_put_failure; | |
9809 | ||
9810 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
9811 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
9812 | goto nla_put_failure; | |
9813 | ||
9814 | genlmsg_end(msg, hdr); | |
9815 | return genlmsg_reply(msg, info); | |
9816 | ||
9817 | nla_put_failure: | |
9818 | kfree_skb(msg); | |
9819 | return -ENOBUFS; | |
9820 | } | |
9821 | ||
355199e0 JM |
9822 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
9823 | { | |
9824 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9825 | struct cfg80211_update_ft_ies_params ft_params; | |
9826 | struct net_device *dev = info->user_ptr[1]; | |
9827 | ||
9828 | if (!rdev->ops->update_ft_ies) | |
9829 | return -EOPNOTSUPP; | |
9830 | ||
9831 | if (!info->attrs[NL80211_ATTR_MDID] || | |
9832 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9833 | return -EINVAL; | |
9834 | ||
9835 | memset(&ft_params, 0, sizeof(ft_params)); | |
9836 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
9837 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9838 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9839 | ||
9840 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
9841 | } | |
9842 | ||
5de17984 AS |
9843 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
9844 | struct genl_info *info) | |
9845 | { | |
9846 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9847 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9848 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
9849 | u16 duration; | |
9850 | int ret; | |
9851 | ||
9852 | if (!rdev->ops->crit_proto_start) | |
9853 | return -EOPNOTSUPP; | |
9854 | ||
9855 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
9856 | return -EINVAL; | |
9857 | ||
9858 | if (rdev->crit_proto_nlportid) | |
9859 | return -EBUSY; | |
9860 | ||
9861 | /* determine protocol if provided */ | |
9862 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
9863 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
9864 | ||
9865 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
9866 | return -EINVAL; | |
9867 | ||
9868 | /* timeout must be provided */ | |
9869 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
9870 | return -EINVAL; | |
9871 | ||
9872 | duration = | |
9873 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
9874 | ||
9875 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
9876 | return -ERANGE; | |
9877 | ||
9878 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
9879 | if (!ret) | |
9880 | rdev->crit_proto_nlportid = info->snd_portid; | |
9881 | ||
9882 | return ret; | |
9883 | } | |
9884 | ||
9885 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
9886 | struct genl_info *info) | |
9887 | { | |
9888 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9889 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9890 | ||
9891 | if (!rdev->ops->crit_proto_stop) | |
9892 | return -EOPNOTSUPP; | |
9893 | ||
9894 | if (rdev->crit_proto_nlportid) { | |
9895 | rdev->crit_proto_nlportid = 0; | |
9896 | rdev_crit_proto_stop(rdev, wdev); | |
9897 | } | |
9898 | return 0; | |
9899 | } | |
9900 | ||
ad7e718c JB |
9901 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
9902 | { | |
9903 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9904 | struct wireless_dev *wdev = | |
9905 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
9906 | int i, err; | |
9907 | u32 vid, subcmd; | |
9908 | ||
9909 | if (!rdev->wiphy.vendor_commands) | |
9910 | return -EOPNOTSUPP; | |
9911 | ||
9912 | if (IS_ERR(wdev)) { | |
9913 | err = PTR_ERR(wdev); | |
9914 | if (err != -EINVAL) | |
9915 | return err; | |
9916 | wdev = NULL; | |
9917 | } else if (wdev->wiphy != &rdev->wiphy) { | |
9918 | return -EINVAL; | |
9919 | } | |
9920 | ||
9921 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
9922 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
9923 | return -EINVAL; | |
9924 | ||
9925 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
9926 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
9927 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
9928 | const struct wiphy_vendor_command *vcmd; | |
9929 | void *data = NULL; | |
9930 | int len = 0; | |
9931 | ||
9932 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
9933 | ||
9934 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
9935 | continue; | |
9936 | ||
9937 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
9938 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
9939 | if (!wdev) | |
9940 | return -EINVAL; | |
9941 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
9942 | !wdev->netdev) | |
9943 | return -EINVAL; | |
9944 | ||
9945 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
9946 | if (wdev->netdev && | |
9947 | !netif_running(wdev->netdev)) | |
9948 | return -ENETDOWN; | |
9949 | if (!wdev->netdev && !wdev->p2p_started) | |
9950 | return -ENETDOWN; | |
9951 | } | |
7bdbe400 JB |
9952 | |
9953 | if (!vcmd->doit) | |
9954 | return -EOPNOTSUPP; | |
ad7e718c JB |
9955 | } else { |
9956 | wdev = NULL; | |
9957 | } | |
9958 | ||
9959 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
9960 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9961 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9962 | } | |
9963 | ||
9964 | rdev->cur_cmd_info = info; | |
9965 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
9966 | data, len); | |
9967 | rdev->cur_cmd_info = NULL; | |
9968 | return err; | |
9969 | } | |
9970 | ||
9971 | return -EOPNOTSUPP; | |
9972 | } | |
9973 | ||
7bdbe400 JB |
9974 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
9975 | struct netlink_callback *cb, | |
9976 | struct cfg80211_registered_device **rdev, | |
9977 | struct wireless_dev **wdev) | |
9978 | { | |
9979 | u32 vid, subcmd; | |
9980 | unsigned int i; | |
9981 | int vcmd_idx = -1; | |
9982 | int err; | |
9983 | void *data = NULL; | |
9984 | unsigned int data_len = 0; | |
9985 | ||
9986 | rtnl_lock(); | |
9987 | ||
9988 | if (cb->args[0]) { | |
9989 | /* subtract the 1 again here */ | |
9990 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
9991 | struct wireless_dev *tmp; | |
9992 | ||
9993 | if (!wiphy) { | |
9994 | err = -ENODEV; | |
9995 | goto out_unlock; | |
9996 | } | |
9997 | *rdev = wiphy_to_rdev(wiphy); | |
9998 | *wdev = NULL; | |
9999 | ||
10000 | if (cb->args[1]) { | |
10001 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { | |
10002 | if (tmp->identifier == cb->args[1] - 1) { | |
10003 | *wdev = tmp; | |
10004 | break; | |
10005 | } | |
10006 | } | |
10007 | } | |
10008 | ||
10009 | /* keep rtnl locked in successful case */ | |
10010 | return 0; | |
10011 | } | |
10012 | ||
10013 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
10014 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
10015 | nl80211_policy); | |
10016 | if (err) | |
10017 | goto out_unlock; | |
10018 | ||
10019 | if (!nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID] || | |
10020 | !nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { | |
10021 | err = -EINVAL; | |
10022 | goto out_unlock; | |
10023 | } | |
10024 | ||
10025 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), | |
10026 | nl80211_fam.attrbuf); | |
10027 | if (IS_ERR(*wdev)) | |
10028 | *wdev = NULL; | |
10029 | ||
10030 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), | |
10031 | nl80211_fam.attrbuf); | |
10032 | if (IS_ERR(*rdev)) { | |
10033 | err = PTR_ERR(*rdev); | |
10034 | goto out_unlock; | |
10035 | } | |
10036 | ||
10037 | vid = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID]); | |
10038 | subcmd = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
10039 | ||
10040 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
10041 | const struct wiphy_vendor_command *vcmd; | |
10042 | ||
10043 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
10044 | ||
10045 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
10046 | continue; | |
10047 | ||
10048 | if (!vcmd->dumpit) { | |
10049 | err = -EOPNOTSUPP; | |
10050 | goto out_unlock; | |
10051 | } | |
10052 | ||
10053 | vcmd_idx = i; | |
10054 | break; | |
10055 | } | |
10056 | ||
10057 | if (vcmd_idx < 0) { | |
10058 | err = -EOPNOTSUPP; | |
10059 | goto out_unlock; | |
10060 | } | |
10061 | ||
10062 | if (nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]) { | |
10063 | data = nla_data(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
10064 | data_len = nla_len(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
10065 | } | |
10066 | ||
10067 | /* 0 is the first index - add 1 to parse only once */ | |
10068 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
10069 | /* add 1 to know if it was NULL */ | |
10070 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
10071 | cb->args[2] = vcmd_idx; | |
10072 | cb->args[3] = (unsigned long)data; | |
10073 | cb->args[4] = data_len; | |
10074 | ||
10075 | /* keep rtnl locked in successful case */ | |
10076 | return 0; | |
10077 | out_unlock: | |
10078 | rtnl_unlock(); | |
10079 | return err; | |
10080 | } | |
10081 | ||
10082 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
10083 | struct netlink_callback *cb) | |
10084 | { | |
10085 | struct cfg80211_registered_device *rdev; | |
10086 | struct wireless_dev *wdev; | |
10087 | unsigned int vcmd_idx; | |
10088 | const struct wiphy_vendor_command *vcmd; | |
10089 | void *data; | |
10090 | int data_len; | |
10091 | int err; | |
10092 | struct nlattr *vendor_data; | |
10093 | ||
10094 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); | |
10095 | if (err) | |
10096 | return err; | |
10097 | ||
10098 | vcmd_idx = cb->args[2]; | |
10099 | data = (void *)cb->args[3]; | |
10100 | data_len = cb->args[4]; | |
10101 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
10102 | ||
10103 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
10104 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
10105 | if (!wdev) | |
10106 | return -EINVAL; | |
10107 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
10108 | !wdev->netdev) | |
10109 | return -EINVAL; | |
10110 | ||
10111 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
10112 | if (wdev->netdev && | |
10113 | !netif_running(wdev->netdev)) | |
10114 | return -ENETDOWN; | |
10115 | if (!wdev->netdev && !wdev->p2p_started) | |
10116 | return -ENETDOWN; | |
10117 | } | |
10118 | } | |
10119 | ||
10120 | while (1) { | |
10121 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
10122 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
10123 | NL80211_CMD_VENDOR); | |
10124 | if (!hdr) | |
10125 | break; | |
10126 | ||
10127 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
10128 | (wdev && nla_put_u64(skb, NL80211_ATTR_WDEV, | |
10129 | wdev_id(wdev)))) { | |
10130 | genlmsg_cancel(skb, hdr); | |
10131 | break; | |
10132 | } | |
10133 | ||
10134 | vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA); | |
10135 | if (!vendor_data) { | |
10136 | genlmsg_cancel(skb, hdr); | |
10137 | break; | |
10138 | } | |
10139 | ||
10140 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
10141 | (unsigned long *)&cb->args[5]); | |
10142 | nla_nest_end(skb, vendor_data); | |
10143 | ||
10144 | if (err == -ENOBUFS || err == -ENOENT) { | |
10145 | genlmsg_cancel(skb, hdr); | |
10146 | break; | |
10147 | } else if (err) { | |
10148 | genlmsg_cancel(skb, hdr); | |
10149 | goto out; | |
10150 | } | |
10151 | ||
10152 | genlmsg_end(skb, hdr); | |
10153 | } | |
10154 | ||
10155 | err = skb->len; | |
10156 | out: | |
10157 | rtnl_unlock(); | |
10158 | return err; | |
10159 | } | |
10160 | ||
ad7e718c JB |
10161 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
10162 | enum nl80211_commands cmd, | |
10163 | enum nl80211_attrs attr, | |
10164 | int approxlen) | |
10165 | { | |
f26cbf40 | 10166 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
10167 | |
10168 | if (WARN_ON(!rdev->cur_cmd_info)) | |
10169 | return NULL; | |
10170 | ||
6c09e791 | 10171 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
10172 | rdev->cur_cmd_info->snd_portid, |
10173 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 10174 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
10175 | } |
10176 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
10177 | ||
10178 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
10179 | { | |
10180 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
10181 | void *hdr = ((void **)skb->cb)[1]; | |
10182 | struct nlattr *data = ((void **)skb->cb)[2]; | |
10183 | ||
bd8c78e7 JB |
10184 | /* clear CB data for netlink core to own from now on */ |
10185 | memset(skb->cb, 0, sizeof(skb->cb)); | |
10186 | ||
ad7e718c JB |
10187 | if (WARN_ON(!rdev->cur_cmd_info)) { |
10188 | kfree_skb(skb); | |
10189 | return -EINVAL; | |
10190 | } | |
10191 | ||
10192 | nla_nest_end(skb, data); | |
10193 | genlmsg_end(skb, hdr); | |
10194 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
10195 | } | |
10196 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
10197 | ||
10198 | ||
fa9ffc74 KP |
10199 | static int nl80211_set_qos_map(struct sk_buff *skb, |
10200 | struct genl_info *info) | |
10201 | { | |
10202 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10203 | struct cfg80211_qos_map *qos_map = NULL; | |
10204 | struct net_device *dev = info->user_ptr[1]; | |
10205 | u8 *pos, len, num_des, des_len, des; | |
10206 | int ret; | |
10207 | ||
10208 | if (!rdev->ops->set_qos_map) | |
10209 | return -EOPNOTSUPP; | |
10210 | ||
10211 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
10212 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
10213 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
10214 | ||
10215 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
10216 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
10217 | return -EINVAL; | |
10218 | ||
10219 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
10220 | if (!qos_map) | |
10221 | return -ENOMEM; | |
10222 | ||
10223 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
10224 | if (num_des) { | |
10225 | des_len = num_des * | |
10226 | sizeof(struct cfg80211_dscp_exception); | |
10227 | memcpy(qos_map->dscp_exception, pos, des_len); | |
10228 | qos_map->num_des = num_des; | |
10229 | for (des = 0; des < num_des; des++) { | |
10230 | if (qos_map->dscp_exception[des].up > 7) { | |
10231 | kfree(qos_map); | |
10232 | return -EINVAL; | |
10233 | } | |
10234 | } | |
10235 | pos += des_len; | |
10236 | } | |
10237 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
10238 | } | |
10239 | ||
10240 | wdev_lock(dev->ieee80211_ptr); | |
10241 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
10242 | if (!ret) | |
10243 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
10244 | wdev_unlock(dev->ieee80211_ptr); | |
10245 | ||
10246 | kfree(qos_map); | |
10247 | return ret; | |
10248 | } | |
10249 | ||
960d01ac JB |
10250 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
10251 | { | |
10252 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10253 | struct net_device *dev = info->user_ptr[1]; | |
10254 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10255 | const u8 *peer; | |
10256 | u8 tsid, up; | |
10257 | u16 admitted_time = 0; | |
10258 | int err; | |
10259 | ||
723e73ac | 10260 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
10261 | return -EOPNOTSUPP; |
10262 | ||
10263 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
10264 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
10265 | return -EINVAL; | |
10266 | ||
10267 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
10268 | if (tsid >= IEEE80211_NUM_TIDS) | |
10269 | return -EINVAL; | |
10270 | ||
10271 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
10272 | if (up >= IEEE80211_NUM_UPS) | |
10273 | return -EINVAL; | |
10274 | ||
10275 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 10276 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 10277 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
10278 | * need more attributes for that (e.g. BA session requirement); |
10279 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
10280 | */ |
10281 | return -EINVAL; | |
10282 | } | |
10283 | ||
10284 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10285 | ||
10286 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
10287 | admitted_time = | |
10288 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
10289 | if (!admitted_time) | |
10290 | return -EINVAL; | |
10291 | } | |
10292 | ||
10293 | wdev_lock(wdev); | |
10294 | switch (wdev->iftype) { | |
10295 | case NL80211_IFTYPE_STATION: | |
10296 | case NL80211_IFTYPE_P2P_CLIENT: | |
10297 | if (wdev->current_bss) | |
10298 | break; | |
10299 | err = -ENOTCONN; | |
10300 | goto out; | |
10301 | default: | |
10302 | err = -EOPNOTSUPP; | |
10303 | goto out; | |
10304 | } | |
10305 | ||
10306 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
10307 | ||
10308 | out: | |
10309 | wdev_unlock(wdev); | |
10310 | return err; | |
10311 | } | |
10312 | ||
10313 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
10314 | { | |
10315 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10316 | struct net_device *dev = info->user_ptr[1]; | |
10317 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10318 | const u8 *peer; | |
10319 | u8 tsid; | |
10320 | int err; | |
10321 | ||
10322 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
10323 | return -EINVAL; | |
10324 | ||
10325 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
10326 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10327 | ||
10328 | wdev_lock(wdev); | |
10329 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
10330 | wdev_unlock(wdev); | |
10331 | ||
10332 | return err; | |
10333 | } | |
10334 | ||
1057d35e AN |
10335 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
10336 | struct genl_info *info) | |
10337 | { | |
10338 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10339 | struct net_device *dev = info->user_ptr[1]; | |
10340 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10341 | struct cfg80211_chan_def chandef = {}; | |
10342 | const u8 *addr; | |
10343 | u8 oper_class; | |
10344 | int err; | |
10345 | ||
10346 | if (!rdev->ops->tdls_channel_switch || | |
10347 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
10348 | return -EOPNOTSUPP; | |
10349 | ||
10350 | switch (dev->ieee80211_ptr->iftype) { | |
10351 | case NL80211_IFTYPE_STATION: | |
10352 | case NL80211_IFTYPE_P2P_CLIENT: | |
10353 | break; | |
10354 | default: | |
10355 | return -EOPNOTSUPP; | |
10356 | } | |
10357 | ||
10358 | if (!info->attrs[NL80211_ATTR_MAC] || | |
10359 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
10360 | return -EINVAL; | |
10361 | ||
10362 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
10363 | if (err) | |
10364 | return err; | |
10365 | ||
10366 | /* | |
10367 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
10368 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
10369 | * specification is not defined for them. | |
10370 | */ | |
10371 | if (chandef.chan->band == IEEE80211_BAND_2GHZ && | |
10372 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && | |
10373 | chandef.width != NL80211_CHAN_WIDTH_20) | |
10374 | return -EINVAL; | |
10375 | ||
10376 | /* we will be active on the TDLS link */ | |
923b352f AN |
10377 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
10378 | wdev->iftype)) | |
1057d35e AN |
10379 | return -EINVAL; |
10380 | ||
10381 | /* don't allow switching to DFS channels */ | |
10382 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
10383 | return -EINVAL; | |
10384 | ||
10385 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10386 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
10387 | ||
10388 | wdev_lock(wdev); | |
10389 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
10390 | wdev_unlock(wdev); | |
10391 | ||
10392 | return err; | |
10393 | } | |
10394 | ||
10395 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
10396 | struct genl_info *info) | |
10397 | { | |
10398 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10399 | struct net_device *dev = info->user_ptr[1]; | |
10400 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10401 | const u8 *addr; | |
10402 | ||
10403 | if (!rdev->ops->tdls_channel_switch || | |
10404 | !rdev->ops->tdls_cancel_channel_switch || | |
10405 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
10406 | return -EOPNOTSUPP; | |
10407 | ||
10408 | switch (dev->ieee80211_ptr->iftype) { | |
10409 | case NL80211_IFTYPE_STATION: | |
10410 | case NL80211_IFTYPE_P2P_CLIENT: | |
10411 | break; | |
10412 | default: | |
10413 | return -EOPNOTSUPP; | |
10414 | } | |
10415 | ||
10416 | if (!info->attrs[NL80211_ATTR_MAC]) | |
10417 | return -EINVAL; | |
10418 | ||
10419 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10420 | ||
10421 | wdev_lock(wdev); | |
10422 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
10423 | wdev_unlock(wdev); | |
10424 | ||
10425 | return 0; | |
10426 | } | |
10427 | ||
4c476991 JB |
10428 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
10429 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
10430 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
10431 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
10432 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
10433 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 10434 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 10435 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
10436 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
10437 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 10438 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 10439 | |
f84f771d | 10440 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
10441 | struct genl_info *info) |
10442 | { | |
10443 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 10444 | struct wireless_dev *wdev; |
4c476991 | 10445 | struct net_device *dev; |
4c476991 JB |
10446 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
10447 | ||
10448 | if (rtnl) | |
10449 | rtnl_lock(); | |
10450 | ||
10451 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 10452 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
10453 | if (IS_ERR(rdev)) { |
10454 | if (rtnl) | |
10455 | rtnl_unlock(); | |
10456 | return PTR_ERR(rdev); | |
10457 | } | |
10458 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
10459 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
10460 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
10461 | ASSERT_RTNL(); |
10462 | ||
89a54e48 JB |
10463 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
10464 | info->attrs); | |
10465 | if (IS_ERR(wdev)) { | |
4c476991 JB |
10466 | if (rtnl) |
10467 | rtnl_unlock(); | |
89a54e48 | 10468 | return PTR_ERR(wdev); |
4c476991 | 10469 | } |
89a54e48 | 10470 | |
89a54e48 | 10471 | dev = wdev->netdev; |
f26cbf40 | 10472 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 10473 | |
1bf614ef JB |
10474 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
10475 | if (!dev) { | |
1bf614ef JB |
10476 | if (rtnl) |
10477 | rtnl_unlock(); | |
10478 | return -EINVAL; | |
10479 | } | |
10480 | ||
10481 | info->user_ptr[1] = dev; | |
10482 | } else { | |
10483 | info->user_ptr[1] = wdev; | |
41265714 | 10484 | } |
1bf614ef JB |
10485 | |
10486 | if (dev) { | |
10487 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
10488 | !netif_running(dev)) { | |
1bf614ef JB |
10489 | if (rtnl) |
10490 | rtnl_unlock(); | |
10491 | return -ENETDOWN; | |
10492 | } | |
10493 | ||
10494 | dev_hold(dev); | |
98104fde JB |
10495 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
10496 | if (!wdev->p2p_started) { | |
98104fde JB |
10497 | if (rtnl) |
10498 | rtnl_unlock(); | |
10499 | return -ENETDOWN; | |
10500 | } | |
41265714 | 10501 | } |
89a54e48 | 10502 | |
4c476991 | 10503 | info->user_ptr[0] = rdev; |
4c476991 JB |
10504 | } |
10505 | ||
10506 | return 0; | |
10507 | } | |
10508 | ||
f84f771d | 10509 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
10510 | struct genl_info *info) |
10511 | { | |
1bf614ef JB |
10512 | if (info->user_ptr[1]) { |
10513 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
10514 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10515 | ||
10516 | if (wdev->netdev) | |
10517 | dev_put(wdev->netdev); | |
10518 | } else { | |
10519 | dev_put(info->user_ptr[1]); | |
10520 | } | |
10521 | } | |
5393b917 | 10522 | |
4c476991 JB |
10523 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
10524 | rtnl_unlock(); | |
5393b917 JB |
10525 | |
10526 | /* If needed, clear the netlink message payload from the SKB | |
10527 | * as it might contain key data that shouldn't stick around on | |
10528 | * the heap after the SKB is freed. The netlink message header | |
10529 | * is still needed for further processing, so leave it intact. | |
10530 | */ | |
10531 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
10532 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
10533 | ||
10534 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
10535 | } | |
4c476991 JB |
10536 | } |
10537 | ||
4534de83 | 10538 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
10539 | { |
10540 | .cmd = NL80211_CMD_GET_WIPHY, | |
10541 | .doit = nl80211_get_wiphy, | |
10542 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 10543 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
10544 | .policy = nl80211_policy, |
10545 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
10546 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10547 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10548 | }, |
10549 | { | |
10550 | .cmd = NL80211_CMD_SET_WIPHY, | |
10551 | .doit = nl80211_set_wiphy, | |
10552 | .policy = nl80211_policy, | |
10553 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 10554 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
10555 | }, |
10556 | { | |
10557 | .cmd = NL80211_CMD_GET_INTERFACE, | |
10558 | .doit = nl80211_get_interface, | |
10559 | .dumpit = nl80211_dump_interface, | |
10560 | .policy = nl80211_policy, | |
10561 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
10562 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
10563 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10564 | }, |
10565 | { | |
10566 | .cmd = NL80211_CMD_SET_INTERFACE, | |
10567 | .doit = nl80211_set_interface, | |
10568 | .policy = nl80211_policy, | |
10569 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10570 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10571 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10572 | }, |
10573 | { | |
10574 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
10575 | .doit = nl80211_new_interface, | |
10576 | .policy = nl80211_policy, | |
10577 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10578 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10579 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10580 | }, |
10581 | { | |
10582 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
10583 | .doit = nl80211_del_interface, | |
10584 | .policy = nl80211_policy, | |
41ade00f | 10585 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 10586 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 10587 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
10588 | }, |
10589 | { | |
10590 | .cmd = NL80211_CMD_GET_KEY, | |
10591 | .doit = nl80211_get_key, | |
10592 | .policy = nl80211_policy, | |
10593 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10594 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10595 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
10596 | }, |
10597 | { | |
10598 | .cmd = NL80211_CMD_SET_KEY, | |
10599 | .doit = nl80211_set_key, | |
10600 | .policy = nl80211_policy, | |
10601 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10602 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
10603 | NL80211_FLAG_NEED_RTNL | |
10604 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
10605 | }, |
10606 | { | |
10607 | .cmd = NL80211_CMD_NEW_KEY, | |
10608 | .doit = nl80211_new_key, | |
10609 | .policy = nl80211_policy, | |
10610 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10611 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
10612 | NL80211_FLAG_NEED_RTNL | |
10613 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
10614 | }, |
10615 | { | |
10616 | .cmd = NL80211_CMD_DEL_KEY, | |
10617 | .doit = nl80211_del_key, | |
10618 | .policy = nl80211_policy, | |
55682965 | 10619 | .flags = GENL_ADMIN_PERM, |
41265714 | 10620 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10621 | NL80211_FLAG_NEED_RTNL, |
55682965 | 10622 | }, |
ed1b6cc7 JB |
10623 | { |
10624 | .cmd = NL80211_CMD_SET_BEACON, | |
10625 | .policy = nl80211_policy, | |
10626 | .flags = GENL_ADMIN_PERM, | |
8860020e | 10627 | .doit = nl80211_set_beacon, |
2b5f8b0b | 10628 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10629 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
10630 | }, |
10631 | { | |
8860020e | 10632 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
10633 | .policy = nl80211_policy, |
10634 | .flags = GENL_ADMIN_PERM, | |
8860020e | 10635 | .doit = nl80211_start_ap, |
2b5f8b0b | 10636 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10637 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
10638 | }, |
10639 | { | |
8860020e | 10640 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
10641 | .policy = nl80211_policy, |
10642 | .flags = GENL_ADMIN_PERM, | |
8860020e | 10643 | .doit = nl80211_stop_ap, |
2b5f8b0b | 10644 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10645 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 10646 | }, |
5727ef1b JB |
10647 | { |
10648 | .cmd = NL80211_CMD_GET_STATION, | |
10649 | .doit = nl80211_get_station, | |
2ec600d6 | 10650 | .dumpit = nl80211_dump_station, |
5727ef1b | 10651 | .policy = nl80211_policy, |
4c476991 JB |
10652 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10653 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
10654 | }, |
10655 | { | |
10656 | .cmd = NL80211_CMD_SET_STATION, | |
10657 | .doit = nl80211_set_station, | |
10658 | .policy = nl80211_policy, | |
10659 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10660 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10661 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
10662 | }, |
10663 | { | |
10664 | .cmd = NL80211_CMD_NEW_STATION, | |
10665 | .doit = nl80211_new_station, | |
10666 | .policy = nl80211_policy, | |
10667 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10668 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10669 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
10670 | }, |
10671 | { | |
10672 | .cmd = NL80211_CMD_DEL_STATION, | |
10673 | .doit = nl80211_del_station, | |
10674 | .policy = nl80211_policy, | |
2ec600d6 | 10675 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 10676 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10677 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
10678 | }, |
10679 | { | |
10680 | .cmd = NL80211_CMD_GET_MPATH, | |
10681 | .doit = nl80211_get_mpath, | |
10682 | .dumpit = nl80211_dump_mpath, | |
10683 | .policy = nl80211_policy, | |
10684 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10685 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10686 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 10687 | }, |
66be7d2b HR |
10688 | { |
10689 | .cmd = NL80211_CMD_GET_MPP, | |
10690 | .doit = nl80211_get_mpp, | |
10691 | .dumpit = nl80211_dump_mpp, | |
10692 | .policy = nl80211_policy, | |
10693 | .flags = GENL_ADMIN_PERM, | |
10694 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10695 | NL80211_FLAG_NEED_RTNL, | |
10696 | }, | |
2ec600d6 LCC |
10697 | { |
10698 | .cmd = NL80211_CMD_SET_MPATH, | |
10699 | .doit = nl80211_set_mpath, | |
10700 | .policy = nl80211_policy, | |
10701 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10702 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10703 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
10704 | }, |
10705 | { | |
10706 | .cmd = NL80211_CMD_NEW_MPATH, | |
10707 | .doit = nl80211_new_mpath, | |
10708 | .policy = nl80211_policy, | |
10709 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10710 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10711 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
10712 | }, |
10713 | { | |
10714 | .cmd = NL80211_CMD_DEL_MPATH, | |
10715 | .doit = nl80211_del_mpath, | |
10716 | .policy = nl80211_policy, | |
9f1ba906 | 10717 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 10718 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10719 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
10720 | }, |
10721 | { | |
10722 | .cmd = NL80211_CMD_SET_BSS, | |
10723 | .doit = nl80211_set_bss, | |
10724 | .policy = nl80211_policy, | |
b2e1b302 | 10725 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 10726 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10727 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 10728 | }, |
f130347c LR |
10729 | { |
10730 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
10731 | .doit = nl80211_get_reg_do, |
10732 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 10733 | .policy = nl80211_policy, |
5fe231e8 | 10734 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
10735 | /* can be retrieved by unprivileged users */ |
10736 | }, | |
b2e1b302 LR |
10737 | { |
10738 | .cmd = NL80211_CMD_SET_REG, | |
10739 | .doit = nl80211_set_reg, | |
10740 | .policy = nl80211_policy, | |
10741 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 10742 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
10743 | }, |
10744 | { | |
10745 | .cmd = NL80211_CMD_REQ_SET_REG, | |
10746 | .doit = nl80211_req_set_reg, | |
10747 | .policy = nl80211_policy, | |
93da9cc1 | 10748 | .flags = GENL_ADMIN_PERM, |
10749 | }, | |
10750 | { | |
24bdd9f4 JC |
10751 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
10752 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 10753 | .policy = nl80211_policy, |
10754 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 10755 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10756 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 10757 | }, |
10758 | { | |
24bdd9f4 JC |
10759 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
10760 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 10761 | .policy = nl80211_policy, |
9aed3cc1 | 10762 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 10763 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10764 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 10765 | }, |
2a519311 JB |
10766 | { |
10767 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
10768 | .doit = nl80211_trigger_scan, | |
10769 | .policy = nl80211_policy, | |
10770 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 10771 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10772 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
10773 | }, |
10774 | { | |
10775 | .cmd = NL80211_CMD_GET_SCAN, | |
10776 | .policy = nl80211_policy, | |
10777 | .dumpit = nl80211_dump_scan, | |
10778 | }, | |
807f8a8c LC |
10779 | { |
10780 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
10781 | .doit = nl80211_start_sched_scan, | |
10782 | .policy = nl80211_policy, | |
10783 | .flags = GENL_ADMIN_PERM, | |
10784 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10785 | NL80211_FLAG_NEED_RTNL, | |
10786 | }, | |
10787 | { | |
10788 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
10789 | .doit = nl80211_stop_sched_scan, | |
10790 | .policy = nl80211_policy, | |
10791 | .flags = GENL_ADMIN_PERM, | |
10792 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10793 | NL80211_FLAG_NEED_RTNL, | |
10794 | }, | |
636a5d36 JM |
10795 | { |
10796 | .cmd = NL80211_CMD_AUTHENTICATE, | |
10797 | .doit = nl80211_authenticate, | |
10798 | .policy = nl80211_policy, | |
10799 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10800 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
10801 | NL80211_FLAG_NEED_RTNL | |
10802 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
10803 | }, |
10804 | { | |
10805 | .cmd = NL80211_CMD_ASSOCIATE, | |
10806 | .doit = nl80211_associate, | |
10807 | .policy = nl80211_policy, | |
10808 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10809 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10810 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
10811 | }, |
10812 | { | |
10813 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
10814 | .doit = nl80211_deauthenticate, | |
10815 | .policy = nl80211_policy, | |
10816 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10817 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10818 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
10819 | }, |
10820 | { | |
10821 | .cmd = NL80211_CMD_DISASSOCIATE, | |
10822 | .doit = nl80211_disassociate, | |
10823 | .policy = nl80211_policy, | |
10824 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10825 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10826 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 10827 | }, |
04a773ad JB |
10828 | { |
10829 | .cmd = NL80211_CMD_JOIN_IBSS, | |
10830 | .doit = nl80211_join_ibss, | |
10831 | .policy = nl80211_policy, | |
10832 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10833 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10834 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
10835 | }, |
10836 | { | |
10837 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
10838 | .doit = nl80211_leave_ibss, | |
10839 | .policy = nl80211_policy, | |
10840 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10841 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10842 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 10843 | }, |
aff89a9b JB |
10844 | #ifdef CONFIG_NL80211_TESTMODE |
10845 | { | |
10846 | .cmd = NL80211_CMD_TESTMODE, | |
10847 | .doit = nl80211_testmode_do, | |
71063f0e | 10848 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
10849 | .policy = nl80211_policy, |
10850 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10851 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10852 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
10853 | }, |
10854 | #endif | |
b23aa676 SO |
10855 | { |
10856 | .cmd = NL80211_CMD_CONNECT, | |
10857 | .doit = nl80211_connect, | |
10858 | .policy = nl80211_policy, | |
10859 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10860 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10861 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
10862 | }, |
10863 | { | |
10864 | .cmd = NL80211_CMD_DISCONNECT, | |
10865 | .doit = nl80211_disconnect, | |
10866 | .policy = nl80211_policy, | |
10867 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10868 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10869 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 10870 | }, |
463d0183 JB |
10871 | { |
10872 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
10873 | .doit = nl80211_wiphy_netns, | |
10874 | .policy = nl80211_policy, | |
10875 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10876 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10877 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 10878 | }, |
61fa713c HS |
10879 | { |
10880 | .cmd = NL80211_CMD_GET_SURVEY, | |
10881 | .policy = nl80211_policy, | |
10882 | .dumpit = nl80211_dump_survey, | |
10883 | }, | |
67fbb16b SO |
10884 | { |
10885 | .cmd = NL80211_CMD_SET_PMKSA, | |
10886 | .doit = nl80211_setdel_pmksa, | |
10887 | .policy = nl80211_policy, | |
10888 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10889 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10890 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
10891 | }, |
10892 | { | |
10893 | .cmd = NL80211_CMD_DEL_PMKSA, | |
10894 | .doit = nl80211_setdel_pmksa, | |
10895 | .policy = nl80211_policy, | |
10896 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10897 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10898 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
10899 | }, |
10900 | { | |
10901 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
10902 | .doit = nl80211_flush_pmksa, | |
10903 | .policy = nl80211_policy, | |
10904 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10905 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10906 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 10907 | }, |
9588bbd5 JM |
10908 | { |
10909 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
10910 | .doit = nl80211_remain_on_channel, | |
10911 | .policy = nl80211_policy, | |
10912 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 10913 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10914 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
10915 | }, |
10916 | { | |
10917 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
10918 | .doit = nl80211_cancel_remain_on_channel, | |
10919 | .policy = nl80211_policy, | |
10920 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 10921 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10922 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 10923 | }, |
13ae75b1 JM |
10924 | { |
10925 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
10926 | .doit = nl80211_set_tx_bitrate_mask, | |
10927 | .policy = nl80211_policy, | |
10928 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10929 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10930 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 10931 | }, |
026331c4 | 10932 | { |
2e161f78 JB |
10933 | .cmd = NL80211_CMD_REGISTER_FRAME, |
10934 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
10935 | .policy = nl80211_policy, |
10936 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 10937 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 10938 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
10939 | }, |
10940 | { | |
2e161f78 JB |
10941 | .cmd = NL80211_CMD_FRAME, |
10942 | .doit = nl80211_tx_mgmt, | |
026331c4 | 10943 | .policy = nl80211_policy, |
f7ca38df | 10944 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 10945 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
10946 | NL80211_FLAG_NEED_RTNL, |
10947 | }, | |
10948 | { | |
10949 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
10950 | .doit = nl80211_tx_mgmt_cancel_wait, | |
10951 | .policy = nl80211_policy, | |
026331c4 | 10952 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 10953 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10954 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 10955 | }, |
ffb9eb3d KV |
10956 | { |
10957 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
10958 | .doit = nl80211_set_power_save, | |
10959 | .policy = nl80211_policy, | |
10960 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10961 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10962 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
10963 | }, |
10964 | { | |
10965 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
10966 | .doit = nl80211_get_power_save, | |
10967 | .policy = nl80211_policy, | |
10968 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
10969 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10970 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 10971 | }, |
d6dc1a38 JO |
10972 | { |
10973 | .cmd = NL80211_CMD_SET_CQM, | |
10974 | .doit = nl80211_set_cqm, | |
10975 | .policy = nl80211_policy, | |
10976 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10977 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10978 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 10979 | }, |
f444de05 JB |
10980 | { |
10981 | .cmd = NL80211_CMD_SET_CHANNEL, | |
10982 | .doit = nl80211_set_channel, | |
10983 | .policy = nl80211_policy, | |
10984 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10985 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10986 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 10987 | }, |
e8347eba BJ |
10988 | { |
10989 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
10990 | .doit = nl80211_set_wds_peer, | |
10991 | .policy = nl80211_policy, | |
10992 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
10993 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10994 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 10995 | }, |
29cbe68c JB |
10996 | { |
10997 | .cmd = NL80211_CMD_JOIN_MESH, | |
10998 | .doit = nl80211_join_mesh, | |
10999 | .policy = nl80211_policy, | |
11000 | .flags = GENL_ADMIN_PERM, | |
11001 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11002 | NL80211_FLAG_NEED_RTNL, | |
11003 | }, | |
11004 | { | |
11005 | .cmd = NL80211_CMD_LEAVE_MESH, | |
11006 | .doit = nl80211_leave_mesh, | |
11007 | .policy = nl80211_policy, | |
11008 | .flags = GENL_ADMIN_PERM, | |
11009 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11010 | NL80211_FLAG_NEED_RTNL, | |
11011 | }, | |
6e0bd6c3 RL |
11012 | { |
11013 | .cmd = NL80211_CMD_JOIN_OCB, | |
11014 | .doit = nl80211_join_ocb, | |
11015 | .policy = nl80211_policy, | |
11016 | .flags = GENL_ADMIN_PERM, | |
11017 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11018 | NL80211_FLAG_NEED_RTNL, | |
11019 | }, | |
11020 | { | |
11021 | .cmd = NL80211_CMD_LEAVE_OCB, | |
11022 | .doit = nl80211_leave_ocb, | |
11023 | .policy = nl80211_policy, | |
11024 | .flags = GENL_ADMIN_PERM, | |
11025 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11026 | NL80211_FLAG_NEED_RTNL, | |
11027 | }, | |
dfb89c56 | 11028 | #ifdef CONFIG_PM |
ff1b6e69 JB |
11029 | { |
11030 | .cmd = NL80211_CMD_GET_WOWLAN, | |
11031 | .doit = nl80211_get_wowlan, | |
11032 | .policy = nl80211_policy, | |
11033 | /* can be retrieved by unprivileged users */ | |
11034 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
11035 | NL80211_FLAG_NEED_RTNL, | |
11036 | }, | |
11037 | { | |
11038 | .cmd = NL80211_CMD_SET_WOWLAN, | |
11039 | .doit = nl80211_set_wowlan, | |
11040 | .policy = nl80211_policy, | |
11041 | .flags = GENL_ADMIN_PERM, | |
11042 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
11043 | NL80211_FLAG_NEED_RTNL, | |
11044 | }, | |
dfb89c56 | 11045 | #endif |
e5497d76 JB |
11046 | { |
11047 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
11048 | .doit = nl80211_set_rekey_data, | |
11049 | .policy = nl80211_policy, | |
11050 | .flags = GENL_ADMIN_PERM, | |
11051 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5393b917 JB |
11052 | NL80211_FLAG_NEED_RTNL | |
11053 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 11054 | }, |
109086ce AN |
11055 | { |
11056 | .cmd = NL80211_CMD_TDLS_MGMT, | |
11057 | .doit = nl80211_tdls_mgmt, | |
11058 | .policy = nl80211_policy, | |
11059 | .flags = GENL_ADMIN_PERM, | |
11060 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11061 | NL80211_FLAG_NEED_RTNL, | |
11062 | }, | |
11063 | { | |
11064 | .cmd = NL80211_CMD_TDLS_OPER, | |
11065 | .doit = nl80211_tdls_oper, | |
11066 | .policy = nl80211_policy, | |
11067 | .flags = GENL_ADMIN_PERM, | |
11068 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11069 | NL80211_FLAG_NEED_RTNL, | |
11070 | }, | |
28946da7 JB |
11071 | { |
11072 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
11073 | .doit = nl80211_register_unexpected_frame, | |
11074 | .policy = nl80211_policy, | |
11075 | .flags = GENL_ADMIN_PERM, | |
11076 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
11077 | NL80211_FLAG_NEED_RTNL, | |
11078 | }, | |
7f6cf311 JB |
11079 | { |
11080 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
11081 | .doit = nl80211_probe_client, | |
11082 | .policy = nl80211_policy, | |
11083 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 11084 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
11085 | NL80211_FLAG_NEED_RTNL, |
11086 | }, | |
5e760230 JB |
11087 | { |
11088 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
11089 | .doit = nl80211_register_beacons, | |
11090 | .policy = nl80211_policy, | |
11091 | .flags = GENL_ADMIN_PERM, | |
11092 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
11093 | NL80211_FLAG_NEED_RTNL, | |
11094 | }, | |
1d9d9213 SW |
11095 | { |
11096 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
11097 | .doit = nl80211_set_noack_map, | |
11098 | .policy = nl80211_policy, | |
11099 | .flags = GENL_ADMIN_PERM, | |
11100 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
11101 | NL80211_FLAG_NEED_RTNL, | |
11102 | }, | |
98104fde JB |
11103 | { |
11104 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
11105 | .doit = nl80211_start_p2p_device, | |
11106 | .policy = nl80211_policy, | |
11107 | .flags = GENL_ADMIN_PERM, | |
11108 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
11109 | NL80211_FLAG_NEED_RTNL, | |
11110 | }, | |
11111 | { | |
11112 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
11113 | .doit = nl80211_stop_p2p_device, | |
11114 | .policy = nl80211_policy, | |
11115 | .flags = GENL_ADMIN_PERM, | |
11116 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
11117 | NL80211_FLAG_NEED_RTNL, | |
11118 | }, | |
f4e583c8 AQ |
11119 | { |
11120 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
11121 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
11122 | .policy = nl80211_policy, |
11123 | .flags = GENL_ADMIN_PERM, | |
11124 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
11125 | NL80211_FLAG_NEED_RTNL, | |
11126 | }, | |
11127 | { | |
11128 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
11129 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
11130 | .policy = nl80211_policy, |
11131 | .flags = GENL_ADMIN_PERM, | |
11132 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
11133 | NL80211_FLAG_NEED_RTNL, | |
11134 | }, | |
04f39047 SW |
11135 | { |
11136 | .cmd = NL80211_CMD_RADAR_DETECT, | |
11137 | .doit = nl80211_start_radar_detection, | |
11138 | .policy = nl80211_policy, | |
11139 | .flags = GENL_ADMIN_PERM, | |
11140 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11141 | NL80211_FLAG_NEED_RTNL, | |
11142 | }, | |
3713b4e3 JB |
11143 | { |
11144 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
11145 | .doit = nl80211_get_protocol_features, | |
11146 | .policy = nl80211_policy, | |
11147 | }, | |
355199e0 JM |
11148 | { |
11149 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
11150 | .doit = nl80211_update_ft_ies, | |
11151 | .policy = nl80211_policy, | |
11152 | .flags = GENL_ADMIN_PERM, | |
11153 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11154 | NL80211_FLAG_NEED_RTNL, | |
11155 | }, | |
5de17984 AS |
11156 | { |
11157 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
11158 | .doit = nl80211_crit_protocol_start, | |
11159 | .policy = nl80211_policy, | |
11160 | .flags = GENL_ADMIN_PERM, | |
11161 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
11162 | NL80211_FLAG_NEED_RTNL, | |
11163 | }, | |
11164 | { | |
11165 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
11166 | .doit = nl80211_crit_protocol_stop, | |
11167 | .policy = nl80211_policy, | |
11168 | .flags = GENL_ADMIN_PERM, | |
11169 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
11170 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
11171 | }, |
11172 | { | |
11173 | .cmd = NL80211_CMD_GET_COALESCE, | |
11174 | .doit = nl80211_get_coalesce, | |
11175 | .policy = nl80211_policy, | |
11176 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
11177 | NL80211_FLAG_NEED_RTNL, | |
11178 | }, | |
11179 | { | |
11180 | .cmd = NL80211_CMD_SET_COALESCE, | |
11181 | .doit = nl80211_set_coalesce, | |
11182 | .policy = nl80211_policy, | |
11183 | .flags = GENL_ADMIN_PERM, | |
11184 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
11185 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
11186 | }, |
11187 | { | |
11188 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
11189 | .doit = nl80211_channel_switch, | |
11190 | .policy = nl80211_policy, | |
11191 | .flags = GENL_ADMIN_PERM, | |
11192 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11193 | NL80211_FLAG_NEED_RTNL, | |
11194 | }, | |
ad7e718c JB |
11195 | { |
11196 | .cmd = NL80211_CMD_VENDOR, | |
11197 | .doit = nl80211_vendor_cmd, | |
7bdbe400 | 11198 | .dumpit = nl80211_vendor_cmd_dump, |
ad7e718c JB |
11199 | .policy = nl80211_policy, |
11200 | .flags = GENL_ADMIN_PERM, | |
11201 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
11202 | NL80211_FLAG_NEED_RTNL, | |
11203 | }, | |
fa9ffc74 KP |
11204 | { |
11205 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
11206 | .doit = nl80211_set_qos_map, | |
11207 | .policy = nl80211_policy, | |
11208 | .flags = GENL_ADMIN_PERM, | |
11209 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11210 | NL80211_FLAG_NEED_RTNL, | |
11211 | }, | |
960d01ac JB |
11212 | { |
11213 | .cmd = NL80211_CMD_ADD_TX_TS, | |
11214 | .doit = nl80211_add_tx_ts, | |
11215 | .policy = nl80211_policy, | |
11216 | .flags = GENL_ADMIN_PERM, | |
11217 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11218 | NL80211_FLAG_NEED_RTNL, | |
11219 | }, | |
11220 | { | |
11221 | .cmd = NL80211_CMD_DEL_TX_TS, | |
11222 | .doit = nl80211_del_tx_ts, | |
11223 | .policy = nl80211_policy, | |
11224 | .flags = GENL_ADMIN_PERM, | |
11225 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11226 | NL80211_FLAG_NEED_RTNL, | |
11227 | }, | |
1057d35e AN |
11228 | { |
11229 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
11230 | .doit = nl80211_tdls_channel_switch, | |
11231 | .policy = nl80211_policy, | |
11232 | .flags = GENL_ADMIN_PERM, | |
11233 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11234 | NL80211_FLAG_NEED_RTNL, | |
11235 | }, | |
11236 | { | |
11237 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
11238 | .doit = nl80211_tdls_cancel_channel_switch, | |
11239 | .policy = nl80211_policy, | |
11240 | .flags = GENL_ADMIN_PERM, | |
11241 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
11242 | NL80211_FLAG_NEED_RTNL, | |
11243 | }, | |
55682965 | 11244 | }; |
9588bbd5 | 11245 | |
55682965 JB |
11246 | /* notification functions */ |
11247 | ||
3bb20556 JB |
11248 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
11249 | enum nl80211_commands cmd) | |
55682965 JB |
11250 | { |
11251 | struct sk_buff *msg; | |
86e8cf98 | 11252 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 11253 | |
3bb20556 JB |
11254 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
11255 | cmd != NL80211_CMD_DEL_WIPHY); | |
11256 | ||
fd2120ca | 11257 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
11258 | if (!msg) |
11259 | return; | |
11260 | ||
3bb20556 | 11261 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
11262 | nlmsg_free(msg); |
11263 | return; | |
11264 | } | |
11265 | ||
68eb5503 | 11266 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11267 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
11268 | } |
11269 | ||
362a415d JB |
11270 | static int nl80211_add_scan_req(struct sk_buff *msg, |
11271 | struct cfg80211_registered_device *rdev) | |
11272 | { | |
11273 | struct cfg80211_scan_request *req = rdev->scan_req; | |
11274 | struct nlattr *nest; | |
11275 | int i; | |
11276 | ||
11277 | if (WARN_ON(!req)) | |
11278 | return 0; | |
11279 | ||
11280 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
11281 | if (!nest) | |
11282 | goto nla_put_failure; | |
9360ffd1 DM |
11283 | for (i = 0; i < req->n_ssids; i++) { |
11284 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
11285 | goto nla_put_failure; | |
11286 | } | |
362a415d JB |
11287 | nla_nest_end(msg, nest); |
11288 | ||
11289 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
11290 | if (!nest) | |
11291 | goto nla_put_failure; | |
9360ffd1 DM |
11292 | for (i = 0; i < req->n_channels; i++) { |
11293 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
11294 | goto nla_put_failure; | |
11295 | } | |
362a415d JB |
11296 | nla_nest_end(msg, nest); |
11297 | ||
9360ffd1 DM |
11298 | if (req->ie && |
11299 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
11300 | goto nla_put_failure; | |
362a415d | 11301 | |
ae917c9f JB |
11302 | if (req->flags && |
11303 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
11304 | goto nla_put_failure; | |
ed473771 | 11305 | |
362a415d JB |
11306 | return 0; |
11307 | nla_put_failure: | |
11308 | return -ENOBUFS; | |
11309 | } | |
11310 | ||
a538e2d5 JB |
11311 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
11312 | struct cfg80211_registered_device *rdev, | |
fd014284 | 11313 | struct wireless_dev *wdev, |
15e47304 | 11314 | u32 portid, u32 seq, int flags, |
a538e2d5 | 11315 | u32 cmd) |
2a519311 JB |
11316 | { |
11317 | void *hdr; | |
11318 | ||
15e47304 | 11319 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
11320 | if (!hdr) |
11321 | return -1; | |
11322 | ||
9360ffd1 | 11323 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
11324 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11325 | wdev->netdev->ifindex)) || | |
11326 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 11327 | goto nla_put_failure; |
2a519311 | 11328 | |
362a415d JB |
11329 | /* ignore errors and send incomplete event anyway */ |
11330 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 11331 | |
053c095a JB |
11332 | genlmsg_end(msg, hdr); |
11333 | return 0; | |
2a519311 JB |
11334 | |
11335 | nla_put_failure: | |
11336 | genlmsg_cancel(msg, hdr); | |
11337 | return -EMSGSIZE; | |
11338 | } | |
11339 | ||
807f8a8c LC |
11340 | static int |
11341 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
11342 | struct cfg80211_registered_device *rdev, | |
11343 | struct net_device *netdev, | |
15e47304 | 11344 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
11345 | { |
11346 | void *hdr; | |
11347 | ||
15e47304 | 11348 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
11349 | if (!hdr) |
11350 | return -1; | |
11351 | ||
9360ffd1 DM |
11352 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11353 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
11354 | goto nla_put_failure; | |
807f8a8c | 11355 | |
053c095a JB |
11356 | genlmsg_end(msg, hdr); |
11357 | return 0; | |
807f8a8c LC |
11358 | |
11359 | nla_put_failure: | |
11360 | genlmsg_cancel(msg, hdr); | |
11361 | return -EMSGSIZE; | |
11362 | } | |
11363 | ||
a538e2d5 | 11364 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 11365 | struct wireless_dev *wdev) |
a538e2d5 JB |
11366 | { |
11367 | struct sk_buff *msg; | |
11368 | ||
58050fce | 11369 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
11370 | if (!msg) |
11371 | return; | |
11372 | ||
fd014284 | 11373 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
11374 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
11375 | nlmsg_free(msg); | |
11376 | return; | |
11377 | } | |
11378 | ||
68eb5503 | 11379 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11380 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
11381 | } |
11382 | ||
f9d15d16 JB |
11383 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
11384 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
11385 | { |
11386 | struct sk_buff *msg; | |
11387 | ||
fd2120ca | 11388 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 11389 | if (!msg) |
f9d15d16 | 11390 | return NULL; |
2a519311 | 11391 | |
fd014284 | 11392 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
11393 | aborted ? NL80211_CMD_SCAN_ABORTED : |
11394 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 11395 | nlmsg_free(msg); |
f9d15d16 | 11396 | return NULL; |
2a519311 JB |
11397 | } |
11398 | ||
f9d15d16 | 11399 | return msg; |
2a519311 JB |
11400 | } |
11401 | ||
f9d15d16 JB |
11402 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
11403 | struct sk_buff *msg) | |
2a519311 | 11404 | { |
2a519311 JB |
11405 | if (!msg) |
11406 | return; | |
11407 | ||
68eb5503 | 11408 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11409 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
11410 | } |
11411 | ||
807f8a8c LC |
11412 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
11413 | struct net_device *netdev) | |
11414 | { | |
11415 | struct sk_buff *msg; | |
11416 | ||
11417 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11418 | if (!msg) | |
11419 | return; | |
11420 | ||
11421 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
11422 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
11423 | nlmsg_free(msg); | |
11424 | return; | |
11425 | } | |
11426 | ||
68eb5503 | 11427 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11428 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
11429 | } |
11430 | ||
11431 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
11432 | struct net_device *netdev, u32 cmd) | |
11433 | { | |
11434 | struct sk_buff *msg; | |
11435 | ||
58050fce | 11436 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
11437 | if (!msg) |
11438 | return; | |
11439 | ||
11440 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
11441 | nlmsg_free(msg); | |
11442 | return; | |
11443 | } | |
11444 | ||
68eb5503 | 11445 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11446 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
11447 | } |
11448 | ||
b0d7aa59 JD |
11449 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
11450 | struct regulatory_request *request) | |
73d54c9e | 11451 | { |
73d54c9e | 11452 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
11453 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
11454 | goto nla_put_failure; | |
11455 | ||
11456 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
11457 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
11458 | NL80211_REGDOM_TYPE_WORLD)) | |
11459 | goto nla_put_failure; | |
11460 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
11461 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
11462 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
11463 | goto nla_put_failure; | |
11464 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
11465 | request->intersect) { | |
11466 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
11467 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
11468 | goto nla_put_failure; | |
11469 | } else { | |
11470 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
11471 | NL80211_REGDOM_TYPE_COUNTRY) || | |
11472 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
11473 | request->alpha2)) | |
11474 | goto nla_put_failure; | |
11475 | } | |
11476 | ||
ad30ca2c AN |
11477 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
11478 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
11479 | ||
11480 | if (wiphy && | |
11481 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
11482 | goto nla_put_failure; | |
1bdd716c AN |
11483 | |
11484 | if (wiphy && | |
11485 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
11486 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
11487 | goto nla_put_failure; | |
ad30ca2c | 11488 | } |
73d54c9e | 11489 | |
b0d7aa59 JD |
11490 | return true; |
11491 | ||
11492 | nla_put_failure: | |
11493 | return false; | |
11494 | } | |
11495 | ||
11496 | /* | |
11497 | * This can happen on global regulatory changes or device specific settings | |
11498 | * based on custom regulatory domains. | |
11499 | */ | |
11500 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
11501 | struct regulatory_request *request) | |
11502 | { | |
11503 | struct sk_buff *msg; | |
11504 | void *hdr; | |
11505 | ||
11506 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11507 | if (!msg) | |
11508 | return; | |
11509 | ||
11510 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
11511 | if (!hdr) { | |
11512 | nlmsg_free(msg); | |
11513 | return; | |
11514 | } | |
11515 | ||
11516 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
11517 | goto nla_put_failure; | |
11518 | ||
3b7b72ee | 11519 | genlmsg_end(msg, hdr); |
73d54c9e | 11520 | |
bc43b28c | 11521 | rcu_read_lock(); |
68eb5503 | 11522 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 11523 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 11524 | rcu_read_unlock(); |
73d54c9e LR |
11525 | |
11526 | return; | |
11527 | ||
11528 | nla_put_failure: | |
11529 | genlmsg_cancel(msg, hdr); | |
11530 | nlmsg_free(msg); | |
11531 | } | |
11532 | ||
6039f6d2 JM |
11533 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
11534 | struct net_device *netdev, | |
11535 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
11536 | enum nl80211_commands cmd, gfp_t gfp, |
11537 | int uapsd_queues) | |
6039f6d2 JM |
11538 | { |
11539 | struct sk_buff *msg; | |
11540 | void *hdr; | |
11541 | ||
e6d6e342 | 11542 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
11543 | if (!msg) |
11544 | return; | |
11545 | ||
11546 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
11547 | if (!hdr) { | |
11548 | nlmsg_free(msg); | |
11549 | return; | |
11550 | } | |
11551 | ||
9360ffd1 DM |
11552 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11553 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11554 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
11555 | goto nla_put_failure; | |
6039f6d2 | 11556 | |
b0b6aa2c EP |
11557 | if (uapsd_queues >= 0) { |
11558 | struct nlattr *nla_wmm = | |
11559 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
11560 | if (!nla_wmm) | |
11561 | goto nla_put_failure; | |
11562 | ||
11563 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
11564 | uapsd_queues)) | |
11565 | goto nla_put_failure; | |
11566 | ||
11567 | nla_nest_end(msg, nla_wmm); | |
11568 | } | |
11569 | ||
3b7b72ee | 11570 | genlmsg_end(msg, hdr); |
6039f6d2 | 11571 | |
68eb5503 | 11572 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11573 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
11574 | return; |
11575 | ||
11576 | nla_put_failure: | |
11577 | genlmsg_cancel(msg, hdr); | |
11578 | nlmsg_free(msg); | |
11579 | } | |
11580 | ||
11581 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
11582 | struct net_device *netdev, const u8 *buf, |
11583 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
11584 | { |
11585 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 11586 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
11587 | } |
11588 | ||
11589 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
11590 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 11591 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 11592 | { |
e6d6e342 | 11593 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 11594 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
11595 | } |
11596 | ||
53b46b84 | 11597 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
11598 | struct net_device *netdev, const u8 *buf, |
11599 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
11600 | { |
11601 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 11602 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
11603 | } |
11604 | ||
53b46b84 JM |
11605 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
11606 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 11607 | size_t len, gfp_t gfp) |
6039f6d2 JM |
11608 | { |
11609 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 11610 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
11611 | } |
11612 | ||
6ff57cf8 JB |
11613 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
11614 | size_t len) | |
cf4e594e | 11615 | { |
947add36 JB |
11616 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11617 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11618 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
11619 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
11620 | u32 cmd; | |
947add36 | 11621 | |
6ff57cf8 JB |
11622 | if (WARN_ON(len < 2)) |
11623 | return; | |
cf4e594e | 11624 | |
6ff57cf8 JB |
11625 | if (ieee80211_is_deauth(mgmt->frame_control)) |
11626 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
11627 | else | |
11628 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 11629 | |
6ff57cf8 | 11630 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 11631 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 11632 | } |
6ff57cf8 | 11633 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 11634 | |
1b06bb40 LR |
11635 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
11636 | struct net_device *netdev, int cmd, | |
e6d6e342 | 11637 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
11638 | { |
11639 | struct sk_buff *msg; | |
11640 | void *hdr; | |
11641 | ||
e6d6e342 | 11642 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
11643 | if (!msg) |
11644 | return; | |
11645 | ||
11646 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
11647 | if (!hdr) { | |
11648 | nlmsg_free(msg); | |
11649 | return; | |
11650 | } | |
11651 | ||
9360ffd1 DM |
11652 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11653 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11654 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
11655 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
11656 | goto nla_put_failure; | |
1965c853 | 11657 | |
3b7b72ee | 11658 | genlmsg_end(msg, hdr); |
1965c853 | 11659 | |
68eb5503 | 11660 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11661 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
11662 | return; |
11663 | ||
11664 | nla_put_failure: | |
11665 | genlmsg_cancel(msg, hdr); | |
11666 | nlmsg_free(msg); | |
11667 | } | |
11668 | ||
11669 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
11670 | struct net_device *netdev, const u8 *addr, |
11671 | gfp_t gfp) | |
1965c853 JM |
11672 | { |
11673 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 11674 | addr, gfp); |
1965c853 JM |
11675 | } |
11676 | ||
11677 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
11678 | struct net_device *netdev, const u8 *addr, |
11679 | gfp_t gfp) | |
1965c853 | 11680 | { |
e6d6e342 JB |
11681 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
11682 | addr, gfp); | |
1965c853 JM |
11683 | } |
11684 | ||
b23aa676 SO |
11685 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
11686 | struct net_device *netdev, const u8 *bssid, | |
11687 | const u8 *req_ie, size_t req_ie_len, | |
11688 | const u8 *resp_ie, size_t resp_ie_len, | |
11689 | u16 status, gfp_t gfp) | |
11690 | { | |
11691 | struct sk_buff *msg; | |
11692 | void *hdr; | |
11693 | ||
58050fce | 11694 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
11695 | if (!msg) |
11696 | return; | |
11697 | ||
11698 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
11699 | if (!hdr) { | |
11700 | nlmsg_free(msg); | |
11701 | return; | |
11702 | } | |
11703 | ||
9360ffd1 DM |
11704 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11705 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11706 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
11707 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
11708 | (req_ie && | |
11709 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
11710 | (resp_ie && | |
11711 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
11712 | goto nla_put_failure; | |
b23aa676 | 11713 | |
3b7b72ee | 11714 | genlmsg_end(msg, hdr); |
b23aa676 | 11715 | |
68eb5503 | 11716 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11717 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
11718 | return; |
11719 | ||
11720 | nla_put_failure: | |
11721 | genlmsg_cancel(msg, hdr); | |
11722 | nlmsg_free(msg); | |
11723 | ||
11724 | } | |
11725 | ||
11726 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
11727 | struct net_device *netdev, const u8 *bssid, | |
11728 | const u8 *req_ie, size_t req_ie_len, | |
11729 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
11730 | { | |
11731 | struct sk_buff *msg; | |
11732 | void *hdr; | |
11733 | ||
58050fce | 11734 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
11735 | if (!msg) |
11736 | return; | |
11737 | ||
11738 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
11739 | if (!hdr) { | |
11740 | nlmsg_free(msg); | |
11741 | return; | |
11742 | } | |
11743 | ||
9360ffd1 DM |
11744 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11745 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11746 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
11747 | (req_ie && | |
11748 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
11749 | (resp_ie && | |
11750 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
11751 | goto nla_put_failure; | |
b23aa676 | 11752 | |
3b7b72ee | 11753 | genlmsg_end(msg, hdr); |
b23aa676 | 11754 | |
68eb5503 | 11755 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11756 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
11757 | return; |
11758 | ||
11759 | nla_put_failure: | |
11760 | genlmsg_cancel(msg, hdr); | |
11761 | nlmsg_free(msg); | |
11762 | ||
11763 | } | |
11764 | ||
11765 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
11766 | struct net_device *netdev, u16 reason, | |
667503dd | 11767 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
11768 | { |
11769 | struct sk_buff *msg; | |
11770 | void *hdr; | |
11771 | ||
58050fce | 11772 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
11773 | if (!msg) |
11774 | return; | |
11775 | ||
11776 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
11777 | if (!hdr) { | |
11778 | nlmsg_free(msg); | |
11779 | return; | |
11780 | } | |
11781 | ||
9360ffd1 DM |
11782 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11783 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11784 | (from_ap && reason && | |
11785 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
11786 | (from_ap && | |
11787 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
11788 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
11789 | goto nla_put_failure; | |
b23aa676 | 11790 | |
3b7b72ee | 11791 | genlmsg_end(msg, hdr); |
b23aa676 | 11792 | |
68eb5503 | 11793 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11794 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
11795 | return; |
11796 | ||
11797 | nla_put_failure: | |
11798 | genlmsg_cancel(msg, hdr); | |
11799 | nlmsg_free(msg); | |
11800 | ||
11801 | } | |
11802 | ||
04a773ad JB |
11803 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
11804 | struct net_device *netdev, const u8 *bssid, | |
11805 | gfp_t gfp) | |
11806 | { | |
11807 | struct sk_buff *msg; | |
11808 | void *hdr; | |
11809 | ||
fd2120ca | 11810 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
11811 | if (!msg) |
11812 | return; | |
11813 | ||
11814 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
11815 | if (!hdr) { | |
11816 | nlmsg_free(msg); | |
11817 | return; | |
11818 | } | |
11819 | ||
9360ffd1 DM |
11820 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11821 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11822 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
11823 | goto nla_put_failure; | |
04a773ad | 11824 | |
3b7b72ee | 11825 | genlmsg_end(msg, hdr); |
04a773ad | 11826 | |
68eb5503 | 11827 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11828 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
11829 | return; |
11830 | ||
11831 | nla_put_failure: | |
11832 | genlmsg_cancel(msg, hdr); | |
11833 | nlmsg_free(msg); | |
11834 | } | |
11835 | ||
947add36 JB |
11836 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
11837 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 11838 | { |
947add36 | 11839 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 11840 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
11841 | struct sk_buff *msg; |
11842 | void *hdr; | |
11843 | ||
947add36 JB |
11844 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
11845 | return; | |
11846 | ||
11847 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
11848 | ||
c93b5e71 JC |
11849 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
11850 | if (!msg) | |
11851 | return; | |
11852 | ||
11853 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
11854 | if (!hdr) { | |
11855 | nlmsg_free(msg); | |
11856 | return; | |
11857 | } | |
11858 | ||
9360ffd1 | 11859 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
11860 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
11861 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
11862 | (ie_len && ie && |
11863 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
11864 | goto nla_put_failure; | |
c93b5e71 | 11865 | |
3b7b72ee | 11866 | genlmsg_end(msg, hdr); |
c93b5e71 | 11867 | |
68eb5503 | 11868 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11869 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
11870 | return; |
11871 | ||
11872 | nla_put_failure: | |
11873 | genlmsg_cancel(msg, hdr); | |
11874 | nlmsg_free(msg); | |
11875 | } | |
947add36 | 11876 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 11877 | |
a3b8b056 JM |
11878 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
11879 | struct net_device *netdev, const u8 *addr, | |
11880 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 11881 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
11882 | { |
11883 | struct sk_buff *msg; | |
11884 | void *hdr; | |
11885 | ||
e6d6e342 | 11886 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
11887 | if (!msg) |
11888 | return; | |
11889 | ||
11890 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
11891 | if (!hdr) { | |
11892 | nlmsg_free(msg); | |
11893 | return; | |
11894 | } | |
11895 | ||
9360ffd1 DM |
11896 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11897 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11898 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
11899 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
11900 | (key_id != -1 && | |
11901 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
11902 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
11903 | goto nla_put_failure; | |
a3b8b056 | 11904 | |
3b7b72ee | 11905 | genlmsg_end(msg, hdr); |
a3b8b056 | 11906 | |
68eb5503 | 11907 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11908 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
11909 | return; |
11910 | ||
11911 | nla_put_failure: | |
11912 | genlmsg_cancel(msg, hdr); | |
11913 | nlmsg_free(msg); | |
11914 | } | |
11915 | ||
6bad8766 LR |
11916 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
11917 | struct ieee80211_channel *channel_before, | |
11918 | struct ieee80211_channel *channel_after) | |
11919 | { | |
11920 | struct sk_buff *msg; | |
11921 | void *hdr; | |
11922 | struct nlattr *nl_freq; | |
11923 | ||
fd2120ca | 11924 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
11925 | if (!msg) |
11926 | return; | |
11927 | ||
11928 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
11929 | if (!hdr) { | |
11930 | nlmsg_free(msg); | |
11931 | return; | |
11932 | } | |
11933 | ||
11934 | /* | |
11935 | * Since we are applying the beacon hint to a wiphy we know its | |
11936 | * wiphy_idx is valid | |
11937 | */ | |
9360ffd1 DM |
11938 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
11939 | goto nla_put_failure; | |
6bad8766 LR |
11940 | |
11941 | /* Before */ | |
11942 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
11943 | if (!nl_freq) | |
11944 | goto nla_put_failure; | |
cdc89b97 | 11945 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
11946 | goto nla_put_failure; |
11947 | nla_nest_end(msg, nl_freq); | |
11948 | ||
11949 | /* After */ | |
11950 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
11951 | if (!nl_freq) | |
11952 | goto nla_put_failure; | |
cdc89b97 | 11953 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
11954 | goto nla_put_failure; |
11955 | nla_nest_end(msg, nl_freq); | |
11956 | ||
3b7b72ee | 11957 | genlmsg_end(msg, hdr); |
6bad8766 | 11958 | |
463d0183 | 11959 | rcu_read_lock(); |
68eb5503 | 11960 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 11961 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 11962 | rcu_read_unlock(); |
6bad8766 LR |
11963 | |
11964 | return; | |
11965 | ||
11966 | nla_put_failure: | |
11967 | genlmsg_cancel(msg, hdr); | |
11968 | nlmsg_free(msg); | |
11969 | } | |
11970 | ||
9588bbd5 JM |
11971 | static void nl80211_send_remain_on_chan_event( |
11972 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 11973 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 11974 | struct ieee80211_channel *chan, |
9588bbd5 JM |
11975 | unsigned int duration, gfp_t gfp) |
11976 | { | |
11977 | struct sk_buff *msg; | |
11978 | void *hdr; | |
11979 | ||
11980 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11981 | if (!msg) | |
11982 | return; | |
11983 | ||
11984 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
11985 | if (!hdr) { | |
11986 | nlmsg_free(msg); | |
11987 | return; | |
11988 | } | |
11989 | ||
9360ffd1 | 11990 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11991 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11992 | wdev->netdev->ifindex)) || | |
00f53350 | 11993 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 11994 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
11995 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
11996 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
11997 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
11998 | goto nla_put_failure; | |
9588bbd5 | 11999 | |
9360ffd1 DM |
12000 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
12001 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
12002 | goto nla_put_failure; | |
9588bbd5 | 12003 | |
3b7b72ee | 12004 | genlmsg_end(msg, hdr); |
9588bbd5 | 12005 | |
68eb5503 | 12006 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12007 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
12008 | return; |
12009 | ||
12010 | nla_put_failure: | |
12011 | genlmsg_cancel(msg, hdr); | |
12012 | nlmsg_free(msg); | |
12013 | } | |
12014 | ||
947add36 JB |
12015 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
12016 | struct ieee80211_channel *chan, | |
12017 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 12018 | { |
947add36 | 12019 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 12020 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
12021 | |
12022 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 12023 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 12024 | rdev, wdev, cookie, chan, |
42d97a59 | 12025 | duration, gfp); |
9588bbd5 | 12026 | } |
947add36 | 12027 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 12028 | |
947add36 JB |
12029 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
12030 | struct ieee80211_channel *chan, | |
12031 | gfp_t gfp) | |
9588bbd5 | 12032 | { |
947add36 | 12033 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 12034 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
12035 | |
12036 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 12037 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 12038 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 12039 | } |
947add36 | 12040 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 12041 | |
947add36 JB |
12042 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
12043 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 12044 | { |
947add36 | 12045 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 12046 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
12047 | struct sk_buff *msg; |
12048 | ||
947add36 JB |
12049 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
12050 | ||
58050fce | 12051 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
12052 | if (!msg) |
12053 | return; | |
12054 | ||
cf5ead82 | 12055 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 12056 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
12057 | nlmsg_free(msg); |
12058 | return; | |
12059 | } | |
12060 | ||
68eb5503 | 12061 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12062 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 12063 | } |
947add36 | 12064 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 12065 | |
cf5ead82 JB |
12066 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
12067 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 12068 | { |
947add36 | 12069 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 12070 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 12071 | struct sk_buff *msg; |
cf5ead82 JB |
12072 | struct station_info empty_sinfo = {}; |
12073 | ||
12074 | if (!sinfo) | |
12075 | sinfo = &empty_sinfo; | |
ec15e68b | 12076 | |
947add36 JB |
12077 | trace_cfg80211_del_sta(dev, mac_addr); |
12078 | ||
58050fce | 12079 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
12080 | if (!msg) |
12081 | return; | |
12082 | ||
cf5ead82 | 12083 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 12084 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b JM |
12085 | nlmsg_free(msg); |
12086 | return; | |
12087 | } | |
12088 | ||
68eb5503 | 12089 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12090 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 12091 | } |
cf5ead82 | 12092 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 12093 | |
947add36 JB |
12094 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
12095 | enum nl80211_connect_failed_reason reason, | |
12096 | gfp_t gfp) | |
ed44a951 | 12097 | { |
947add36 | 12098 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 12099 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
12100 | struct sk_buff *msg; |
12101 | void *hdr; | |
12102 | ||
12103 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
12104 | if (!msg) | |
12105 | return; | |
12106 | ||
12107 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
12108 | if (!hdr) { | |
12109 | nlmsg_free(msg); | |
12110 | return; | |
12111 | } | |
12112 | ||
12113 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12114 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
12115 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
12116 | goto nla_put_failure; | |
12117 | ||
12118 | genlmsg_end(msg, hdr); | |
12119 | ||
68eb5503 | 12120 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12121 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
12122 | return; |
12123 | ||
12124 | nla_put_failure: | |
12125 | genlmsg_cancel(msg, hdr); | |
12126 | nlmsg_free(msg); | |
12127 | } | |
947add36 | 12128 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 12129 | |
b92ab5d8 JB |
12130 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
12131 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
12132 | { |
12133 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 12134 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
12135 | struct sk_buff *msg; |
12136 | void *hdr; | |
15e47304 | 12137 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 12138 | |
15e47304 | 12139 | if (!nlportid) |
28946da7 JB |
12140 | return false; |
12141 | ||
12142 | msg = nlmsg_new(100, gfp); | |
12143 | if (!msg) | |
12144 | return true; | |
12145 | ||
b92ab5d8 | 12146 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
12147 | if (!hdr) { |
12148 | nlmsg_free(msg); | |
12149 | return true; | |
12150 | } | |
12151 | ||
9360ffd1 DM |
12152 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12153 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12154 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
12155 | goto nla_put_failure; | |
28946da7 | 12156 | |
9c90a9f6 | 12157 | genlmsg_end(msg, hdr); |
15e47304 | 12158 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
12159 | return true; |
12160 | ||
12161 | nla_put_failure: | |
12162 | genlmsg_cancel(msg, hdr); | |
12163 | nlmsg_free(msg); | |
12164 | return true; | |
12165 | } | |
12166 | ||
947add36 JB |
12167 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
12168 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 12169 | { |
947add36 JB |
12170 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
12171 | bool ret; | |
12172 | ||
12173 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
12174 | ||
12175 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
12176 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
12177 | trace_cfg80211_return_bool(false); | |
12178 | return false; | |
12179 | } | |
12180 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
12181 | addr, gfp); | |
12182 | trace_cfg80211_return_bool(ret); | |
12183 | return ret; | |
b92ab5d8 | 12184 | } |
947add36 | 12185 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 12186 | |
947add36 JB |
12187 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
12188 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 12189 | { |
947add36 JB |
12190 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
12191 | bool ret; | |
12192 | ||
12193 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
12194 | ||
12195 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
12196 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
12197 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
12198 | trace_cfg80211_return_bool(false); | |
12199 | return false; | |
12200 | } | |
12201 | ret = __nl80211_unexpected_frame(dev, | |
12202 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
12203 | addr, gfp); | |
12204 | trace_cfg80211_return_bool(ret); | |
12205 | return ret; | |
b92ab5d8 | 12206 | } |
947add36 | 12207 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 12208 | |
2e161f78 | 12209 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 12210 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 12211 | int freq, int sig_dbm, |
19504cf5 | 12212 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 12213 | { |
71bbc994 | 12214 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
12215 | struct sk_buff *msg; |
12216 | void *hdr; | |
026331c4 JM |
12217 | |
12218 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12219 | if (!msg) | |
12220 | return -ENOMEM; | |
12221 | ||
2e161f78 | 12222 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
12223 | if (!hdr) { |
12224 | nlmsg_free(msg); | |
12225 | return -ENOMEM; | |
12226 | } | |
12227 | ||
9360ffd1 | 12228 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
12229 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
12230 | netdev->ifindex)) || | |
a838490b | 12231 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
12232 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
12233 | (sig_dbm && | |
12234 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
12235 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
12236 | (flags && | |
12237 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 12238 | goto nla_put_failure; |
026331c4 | 12239 | |
3b7b72ee | 12240 | genlmsg_end(msg, hdr); |
026331c4 | 12241 | |
15e47304 | 12242 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
12243 | |
12244 | nla_put_failure: | |
12245 | genlmsg_cancel(msg, hdr); | |
12246 | nlmsg_free(msg); | |
12247 | return -ENOBUFS; | |
12248 | } | |
12249 | ||
947add36 JB |
12250 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
12251 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 12252 | { |
947add36 | 12253 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 12254 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 12255 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
12256 | struct sk_buff *msg; |
12257 | void *hdr; | |
12258 | ||
947add36 JB |
12259 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
12260 | ||
026331c4 JM |
12261 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
12262 | if (!msg) | |
12263 | return; | |
12264 | ||
2e161f78 | 12265 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
12266 | if (!hdr) { |
12267 | nlmsg_free(msg); | |
12268 | return; | |
12269 | } | |
12270 | ||
9360ffd1 | 12271 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
12272 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
12273 | netdev->ifindex)) || | |
a838490b | 12274 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
12275 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
12276 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
12277 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
12278 | goto nla_put_failure; | |
026331c4 | 12279 | |
3b7b72ee | 12280 | genlmsg_end(msg, hdr); |
026331c4 | 12281 | |
68eb5503 | 12282 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12283 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
12284 | return; |
12285 | ||
12286 | nla_put_failure: | |
12287 | genlmsg_cancel(msg, hdr); | |
12288 | nlmsg_free(msg); | |
12289 | } | |
947add36 | 12290 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 12291 | |
5b97f49d JB |
12292 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
12293 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 12294 | { |
947add36 | 12295 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
12296 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
12297 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12298 | void **cb; | |
947add36 | 12299 | |
d6dc1a38 | 12300 | if (!msg) |
5b97f49d | 12301 | return NULL; |
d6dc1a38 | 12302 | |
5b97f49d JB |
12303 | cb = (void **)msg->cb; |
12304 | ||
12305 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
12306 | if (!cb[0]) { | |
d6dc1a38 | 12307 | nlmsg_free(msg); |
5b97f49d | 12308 | return NULL; |
d6dc1a38 JO |
12309 | } |
12310 | ||
9360ffd1 | 12311 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 12312 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 12313 | goto nla_put_failure; |
d6dc1a38 | 12314 | |
5b97f49d | 12315 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
12316 | goto nla_put_failure; |
12317 | ||
5b97f49d JB |
12318 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
12319 | if (!cb[1]) | |
9360ffd1 | 12320 | goto nla_put_failure; |
d6dc1a38 | 12321 | |
5b97f49d | 12322 | cb[2] = rdev; |
d6dc1a38 | 12323 | |
5b97f49d JB |
12324 | return msg; |
12325 | nla_put_failure: | |
12326 | nlmsg_free(msg); | |
12327 | return NULL; | |
12328 | } | |
12329 | ||
12330 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
12331 | { | |
12332 | void **cb = (void **)msg->cb; | |
12333 | struct cfg80211_registered_device *rdev = cb[2]; | |
12334 | ||
12335 | nla_nest_end(msg, cb[1]); | |
12336 | genlmsg_end(msg, cb[0]); | |
12337 | ||
12338 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 12339 | |
68eb5503 | 12340 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12341 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
12342 | } |
12343 | ||
12344 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
12345 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
12346 | gfp_t gfp) | |
12347 | { | |
12348 | struct sk_buff *msg; | |
12349 | ||
12350 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); | |
12351 | ||
98f03342 JB |
12352 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
12353 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
12354 | return; | |
12355 | ||
5b97f49d JB |
12356 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
12357 | if (!msg) | |
12358 | return; | |
12359 | ||
12360 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
12361 | rssi_event)) | |
12362 | goto nla_put_failure; | |
12363 | ||
12364 | cfg80211_send_cqm(msg, gfp); | |
12365 | ||
d6dc1a38 JO |
12366 | return; |
12367 | ||
12368 | nla_put_failure: | |
d6dc1a38 JO |
12369 | nlmsg_free(msg); |
12370 | } | |
947add36 | 12371 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 12372 | |
5b97f49d JB |
12373 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
12374 | const u8 *peer, u32 num_packets, | |
12375 | u32 rate, u32 intvl, gfp_t gfp) | |
12376 | { | |
12377 | struct sk_buff *msg; | |
12378 | ||
12379 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
12380 | if (!msg) | |
12381 | return; | |
12382 | ||
12383 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
12384 | goto nla_put_failure; | |
12385 | ||
12386 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
12387 | goto nla_put_failure; | |
12388 | ||
12389 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
12390 | goto nla_put_failure; | |
12391 | ||
12392 | cfg80211_send_cqm(msg, gfp); | |
12393 | return; | |
12394 | ||
12395 | nla_put_failure: | |
12396 | nlmsg_free(msg); | |
12397 | } | |
12398 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
12399 | ||
12400 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
12401 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
12402 | { | |
12403 | struct sk_buff *msg; | |
12404 | ||
12405 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
12406 | ||
12407 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
12408 | if (!msg) | |
12409 | return; | |
12410 | ||
12411 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
12412 | goto nla_put_failure; | |
12413 | ||
12414 | cfg80211_send_cqm(msg, gfp); | |
12415 | return; | |
12416 | ||
12417 | nla_put_failure: | |
12418 | nlmsg_free(msg); | |
12419 | } | |
12420 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
12421 | ||
98f03342 JB |
12422 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
12423 | { | |
12424 | struct sk_buff *msg; | |
12425 | ||
12426 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
12427 | if (!msg) | |
12428 | return; | |
12429 | ||
12430 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
12431 | goto nla_put_failure; | |
12432 | ||
12433 | cfg80211_send_cqm(msg, gfp); | |
12434 | return; | |
12435 | ||
12436 | nla_put_failure: | |
12437 | nlmsg_free(msg); | |
12438 | } | |
12439 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
12440 | ||
947add36 JB |
12441 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
12442 | struct net_device *netdev, const u8 *bssid, | |
12443 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
12444 | { |
12445 | struct sk_buff *msg; | |
12446 | struct nlattr *rekey_attr; | |
12447 | void *hdr; | |
12448 | ||
58050fce | 12449 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
12450 | if (!msg) |
12451 | return; | |
12452 | ||
12453 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
12454 | if (!hdr) { | |
12455 | nlmsg_free(msg); | |
12456 | return; | |
12457 | } | |
12458 | ||
9360ffd1 DM |
12459 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12460 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12461 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
12462 | goto nla_put_failure; | |
e5497d76 JB |
12463 | |
12464 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
12465 | if (!rekey_attr) | |
12466 | goto nla_put_failure; | |
12467 | ||
9360ffd1 DM |
12468 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
12469 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
12470 | goto nla_put_failure; | |
e5497d76 JB |
12471 | |
12472 | nla_nest_end(msg, rekey_attr); | |
12473 | ||
3b7b72ee | 12474 | genlmsg_end(msg, hdr); |
e5497d76 | 12475 | |
68eb5503 | 12476 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12477 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
12478 | return; |
12479 | ||
12480 | nla_put_failure: | |
12481 | genlmsg_cancel(msg, hdr); | |
12482 | nlmsg_free(msg); | |
12483 | } | |
12484 | ||
947add36 JB |
12485 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
12486 | const u8 *replay_ctr, gfp_t gfp) | |
12487 | { | |
12488 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12489 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12490 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
12491 | |
12492 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
12493 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
12494 | } | |
12495 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
12496 | ||
12497 | static void | |
12498 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
12499 | struct net_device *netdev, int index, | |
12500 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
12501 | { |
12502 | struct sk_buff *msg; | |
12503 | struct nlattr *attr; | |
12504 | void *hdr; | |
12505 | ||
58050fce | 12506 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
12507 | if (!msg) |
12508 | return; | |
12509 | ||
12510 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
12511 | if (!hdr) { | |
12512 | nlmsg_free(msg); | |
12513 | return; | |
12514 | } | |
12515 | ||
9360ffd1 DM |
12516 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12517 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
12518 | goto nla_put_failure; | |
c9df56b4 JM |
12519 | |
12520 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
12521 | if (!attr) | |
12522 | goto nla_put_failure; | |
12523 | ||
9360ffd1 DM |
12524 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
12525 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
12526 | (preauth && | |
12527 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
12528 | goto nla_put_failure; | |
c9df56b4 JM |
12529 | |
12530 | nla_nest_end(msg, attr); | |
12531 | ||
3b7b72ee | 12532 | genlmsg_end(msg, hdr); |
c9df56b4 | 12533 | |
68eb5503 | 12534 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12535 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
12536 | return; |
12537 | ||
12538 | nla_put_failure: | |
12539 | genlmsg_cancel(msg, hdr); | |
12540 | nlmsg_free(msg); | |
12541 | } | |
12542 | ||
947add36 JB |
12543 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
12544 | const u8 *bssid, bool preauth, gfp_t gfp) | |
12545 | { | |
12546 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12547 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12548 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
12549 | |
12550 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
12551 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
12552 | } | |
12553 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
12554 | ||
12555 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
12556 | struct net_device *netdev, | |
12557 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
12558 | gfp_t gfp, |
12559 | enum nl80211_commands notif, | |
12560 | u8 count) | |
5314526b TP |
12561 | { |
12562 | struct sk_buff *msg; | |
12563 | void *hdr; | |
12564 | ||
58050fce | 12565 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
12566 | if (!msg) |
12567 | return; | |
12568 | ||
f8d7552e | 12569 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
12570 | if (!hdr) { |
12571 | nlmsg_free(msg); | |
12572 | return; | |
12573 | } | |
12574 | ||
683b6d3b JB |
12575 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
12576 | goto nla_put_failure; | |
12577 | ||
12578 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 12579 | goto nla_put_failure; |
5314526b | 12580 | |
f8d7552e LC |
12581 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
12582 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
12583 | goto nla_put_failure; | |
12584 | ||
5314526b TP |
12585 | genlmsg_end(msg, hdr); |
12586 | ||
68eb5503 | 12587 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12588 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
12589 | return; |
12590 | ||
12591 | nla_put_failure: | |
12592 | genlmsg_cancel(msg, hdr); | |
12593 | nlmsg_free(msg); | |
12594 | } | |
12595 | ||
947add36 JB |
12596 | void cfg80211_ch_switch_notify(struct net_device *dev, |
12597 | struct cfg80211_chan_def *chandef) | |
84f10708 | 12598 | { |
947add36 JB |
12599 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
12600 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12601 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 12602 | |
e487eaeb | 12603 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 12604 | |
e487eaeb | 12605 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 12606 | |
9e0e2961 | 12607 | wdev->chandef = *chandef; |
96f55f12 | 12608 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
12609 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
12610 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
12611 | } |
12612 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
12613 | ||
f8d7552e LC |
12614 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
12615 | struct cfg80211_chan_def *chandef, | |
12616 | u8 count) | |
12617 | { | |
12618 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12619 | struct wiphy *wiphy = wdev->wiphy; | |
12620 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
12621 | ||
12622 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
12623 | ||
12624 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
12625 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
12626 | } | |
12627 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
12628 | ||
04f39047 SW |
12629 | void |
12630 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 12631 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
12632 | enum nl80211_radar_event event, |
12633 | struct net_device *netdev, gfp_t gfp) | |
12634 | { | |
12635 | struct sk_buff *msg; | |
12636 | void *hdr; | |
12637 | ||
12638 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12639 | if (!msg) | |
12640 | return; | |
12641 | ||
12642 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
12643 | if (!hdr) { | |
12644 | nlmsg_free(msg); | |
12645 | return; | |
12646 | } | |
12647 | ||
12648 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
12649 | goto nla_put_failure; | |
12650 | ||
12651 | /* NOP and radar events don't need a netdev parameter */ | |
12652 | if (netdev) { | |
12653 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
12654 | ||
12655 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12656 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12657 | goto nla_put_failure; | |
12658 | } | |
12659 | ||
12660 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
12661 | goto nla_put_failure; | |
12662 | ||
12663 | if (nl80211_send_chandef(msg, chandef)) | |
12664 | goto nla_put_failure; | |
12665 | ||
9c90a9f6 | 12666 | genlmsg_end(msg, hdr); |
04f39047 | 12667 | |
68eb5503 | 12668 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12669 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
12670 | return; |
12671 | ||
12672 | nla_put_failure: | |
12673 | genlmsg_cancel(msg, hdr); | |
12674 | nlmsg_free(msg); | |
12675 | } | |
12676 | ||
7f6cf311 JB |
12677 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
12678 | u64 cookie, bool acked, gfp_t gfp) | |
12679 | { | |
12680 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 12681 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
12682 | struct sk_buff *msg; |
12683 | void *hdr; | |
7f6cf311 | 12684 | |
4ee3e063 BL |
12685 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
12686 | ||
58050fce | 12687 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 12688 | |
7f6cf311 JB |
12689 | if (!msg) |
12690 | return; | |
12691 | ||
12692 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
12693 | if (!hdr) { | |
12694 | nlmsg_free(msg); | |
12695 | return; | |
12696 | } | |
12697 | ||
9360ffd1 DM |
12698 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12699 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12700 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
12701 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
12702 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
12703 | goto nla_put_failure; | |
7f6cf311 | 12704 | |
9c90a9f6 | 12705 | genlmsg_end(msg, hdr); |
7f6cf311 | 12706 | |
68eb5503 | 12707 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12708 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
12709 | return; |
12710 | ||
12711 | nla_put_failure: | |
12712 | genlmsg_cancel(msg, hdr); | |
12713 | nlmsg_free(msg); | |
12714 | } | |
12715 | EXPORT_SYMBOL(cfg80211_probe_status); | |
12716 | ||
5e760230 JB |
12717 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
12718 | const u8 *frame, size_t len, | |
37c73b5f | 12719 | int freq, int sig_dbm) |
5e760230 | 12720 | { |
f26cbf40 | 12721 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
12722 | struct sk_buff *msg; |
12723 | void *hdr; | |
37c73b5f | 12724 | struct cfg80211_beacon_registration *reg; |
5e760230 | 12725 | |
4ee3e063 BL |
12726 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
12727 | ||
37c73b5f BG |
12728 | spin_lock_bh(&rdev->beacon_registrations_lock); |
12729 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
12730 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
12731 | if (!msg) { | |
12732 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
12733 | return; | |
12734 | } | |
5e760230 | 12735 | |
37c73b5f BG |
12736 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
12737 | if (!hdr) | |
12738 | goto nla_put_failure; | |
5e760230 | 12739 | |
37c73b5f BG |
12740 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12741 | (freq && | |
12742 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
12743 | (sig_dbm && | |
12744 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
12745 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
12746 | goto nla_put_failure; | |
5e760230 | 12747 | |
37c73b5f | 12748 | genlmsg_end(msg, hdr); |
5e760230 | 12749 | |
37c73b5f BG |
12750 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
12751 | } | |
12752 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
12753 | return; |
12754 | ||
12755 | nla_put_failure: | |
37c73b5f BG |
12756 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
12757 | if (hdr) | |
12758 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
12759 | nlmsg_free(msg); |
12760 | } | |
12761 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
12762 | ||
cd8f7cb4 | 12763 | #ifdef CONFIG_PM |
8cd4d456 LC |
12764 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
12765 | struct cfg80211_wowlan_wakeup *wakeup) | |
12766 | { | |
12767 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
12768 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
12769 | int i, j; | |
12770 | ||
12771 | nl_results = nla_nest_start( | |
12772 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
12773 | if (!nl_results) | |
12774 | return -EMSGSIZE; | |
12775 | ||
12776 | for (i = 0; i < nd->n_matches; i++) { | |
12777 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
12778 | ||
12779 | nl_match = nla_nest_start(msg, i); | |
12780 | if (!nl_match) | |
12781 | break; | |
12782 | ||
12783 | /* The SSID attribute is optional in nl80211, but for | |
12784 | * simplicity reasons it's always present in the | |
12785 | * cfg80211 structure. If a driver can't pass the | |
12786 | * SSID, that needs to be changed. A zero length SSID | |
12787 | * is still a valid SSID (wildcard), so it cannot be | |
12788 | * used for this purpose. | |
12789 | */ | |
12790 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
12791 | match->ssid.ssid)) { | |
12792 | nla_nest_cancel(msg, nl_match); | |
12793 | goto out; | |
12794 | } | |
12795 | ||
12796 | if (match->n_channels) { | |
12797 | nl_freqs = nla_nest_start( | |
12798 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
12799 | if (!nl_freqs) { | |
12800 | nla_nest_cancel(msg, nl_match); | |
12801 | goto out; | |
12802 | } | |
12803 | ||
12804 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 12805 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
12806 | nla_nest_cancel(msg, nl_freqs); |
12807 | nla_nest_cancel(msg, nl_match); | |
12808 | goto out; | |
12809 | } | |
12810 | } | |
12811 | ||
12812 | nla_nest_end(msg, nl_freqs); | |
12813 | } | |
12814 | ||
12815 | nla_nest_end(msg, nl_match); | |
12816 | } | |
12817 | ||
12818 | out: | |
12819 | nla_nest_end(msg, nl_results); | |
12820 | return 0; | |
12821 | } | |
12822 | ||
cd8f7cb4 JB |
12823 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
12824 | struct cfg80211_wowlan_wakeup *wakeup, | |
12825 | gfp_t gfp) | |
12826 | { | |
f26cbf40 | 12827 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
12828 | struct sk_buff *msg; |
12829 | void *hdr; | |
9c90a9f6 | 12830 | int size = 200; |
cd8f7cb4 JB |
12831 | |
12832 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
12833 | ||
12834 | if (wakeup) | |
12835 | size += wakeup->packet_present_len; | |
12836 | ||
12837 | msg = nlmsg_new(size, gfp); | |
12838 | if (!msg) | |
12839 | return; | |
12840 | ||
12841 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
12842 | if (!hdr) | |
12843 | goto free_msg; | |
12844 | ||
12845 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12846 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12847 | goto free_msg; | |
12848 | ||
12849 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
12850 | wdev->netdev->ifindex)) | |
12851 | goto free_msg; | |
12852 | ||
12853 | if (wakeup) { | |
12854 | struct nlattr *reasons; | |
12855 | ||
12856 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
12857 | if (!reasons) |
12858 | goto free_msg; | |
cd8f7cb4 JB |
12859 | |
12860 | if (wakeup->disconnect && | |
12861 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
12862 | goto free_msg; | |
12863 | if (wakeup->magic_pkt && | |
12864 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
12865 | goto free_msg; | |
12866 | if (wakeup->gtk_rekey_failure && | |
12867 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
12868 | goto free_msg; | |
12869 | if (wakeup->eap_identity_req && | |
12870 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
12871 | goto free_msg; | |
12872 | if (wakeup->four_way_handshake && | |
12873 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
12874 | goto free_msg; | |
12875 | if (wakeup->rfkill_release && | |
12876 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
12877 | goto free_msg; | |
12878 | ||
12879 | if (wakeup->pattern_idx >= 0 && | |
12880 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
12881 | wakeup->pattern_idx)) | |
12882 | goto free_msg; | |
12883 | ||
ae917c9f JB |
12884 | if (wakeup->tcp_match && |
12885 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
12886 | goto free_msg; | |
2a0e047e | 12887 | |
ae917c9f JB |
12888 | if (wakeup->tcp_connlost && |
12889 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
12890 | goto free_msg; | |
2a0e047e | 12891 | |
ae917c9f JB |
12892 | if (wakeup->tcp_nomoretokens && |
12893 | nla_put_flag(msg, | |
12894 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
12895 | goto free_msg; | |
2a0e047e | 12896 | |
cd8f7cb4 JB |
12897 | if (wakeup->packet) { |
12898 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
12899 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
12900 | ||
12901 | if (!wakeup->packet_80211) { | |
12902 | pkt_attr = | |
12903 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
12904 | len_attr = | |
12905 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
12906 | } | |
12907 | ||
12908 | if (wakeup->packet_len && | |
12909 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
12910 | goto free_msg; | |
12911 | ||
12912 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
12913 | wakeup->packet)) | |
12914 | goto free_msg; | |
12915 | } | |
12916 | ||
8cd4d456 LC |
12917 | if (wakeup->net_detect && |
12918 | cfg80211_net_detect_results(msg, wakeup)) | |
12919 | goto free_msg; | |
12920 | ||
cd8f7cb4 JB |
12921 | nla_nest_end(msg, reasons); |
12922 | } | |
12923 | ||
9c90a9f6 | 12924 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 12925 | |
68eb5503 | 12926 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12927 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
12928 | return; |
12929 | ||
12930 | free_msg: | |
12931 | nlmsg_free(msg); | |
12932 | } | |
12933 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
12934 | #endif | |
12935 | ||
3475b094 JM |
12936 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
12937 | enum nl80211_tdls_operation oper, | |
12938 | u16 reason_code, gfp_t gfp) | |
12939 | { | |
12940 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 12941 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
12942 | struct sk_buff *msg; |
12943 | void *hdr; | |
3475b094 JM |
12944 | |
12945 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
12946 | reason_code); | |
12947 | ||
12948 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12949 | if (!msg) | |
12950 | return; | |
12951 | ||
12952 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
12953 | if (!hdr) { | |
12954 | nlmsg_free(msg); | |
12955 | return; | |
12956 | } | |
12957 | ||
12958 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12959 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12960 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
12961 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
12962 | (reason_code > 0 && | |
12963 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
12964 | goto nla_put_failure; | |
12965 | ||
9c90a9f6 | 12966 | genlmsg_end(msg, hdr); |
3475b094 | 12967 | |
68eb5503 | 12968 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12969 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
12970 | return; |
12971 | ||
12972 | nla_put_failure: | |
12973 | genlmsg_cancel(msg, hdr); | |
12974 | nlmsg_free(msg); | |
12975 | } | |
12976 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
12977 | ||
026331c4 JM |
12978 | static int nl80211_netlink_notify(struct notifier_block * nb, |
12979 | unsigned long state, | |
12980 | void *_notify) | |
12981 | { | |
12982 | struct netlink_notify *notify = _notify; | |
12983 | struct cfg80211_registered_device *rdev; | |
12984 | struct wireless_dev *wdev; | |
37c73b5f | 12985 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
12986 | |
12987 | if (state != NETLINK_URELEASE) | |
12988 | return NOTIFY_DONE; | |
12989 | ||
12990 | rcu_read_lock(); | |
12991 | ||
5e760230 | 12992 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a | 12993 | bool schedule_destroy_work = false; |
93a1e86c JR |
12994 | bool schedule_scan_stop = false; |
12995 | struct cfg80211_sched_scan_request *sched_scan_req = | |
12996 | rcu_dereference(rdev->sched_scan_req); | |
12997 | ||
12998 | if (sched_scan_req && notify->portid && | |
12999 | sched_scan_req->owner_nlportid == notify->portid) | |
13000 | schedule_scan_stop = true; | |
78f22b6a JB |
13001 | |
13002 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) { | |
15e47304 | 13003 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 13004 | |
78f22b6a JB |
13005 | if (wdev->owner_nlportid == notify->portid) |
13006 | schedule_destroy_work = true; | |
13007 | } | |
13008 | ||
37c73b5f BG |
13009 | spin_lock_bh(&rdev->beacon_registrations_lock); |
13010 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
13011 | list) { | |
13012 | if (reg->nlportid == notify->portid) { | |
13013 | list_del(®->list); | |
13014 | kfree(reg); | |
13015 | break; | |
13016 | } | |
13017 | } | |
13018 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
13019 | |
13020 | if (schedule_destroy_work) { | |
13021 | struct cfg80211_iface_destroy *destroy; | |
13022 | ||
13023 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
13024 | if (destroy) { | |
13025 | destroy->nlportid = notify->portid; | |
13026 | spin_lock(&rdev->destroy_list_lock); | |
13027 | list_add(&destroy->list, &rdev->destroy_list); | |
13028 | spin_unlock(&rdev->destroy_list_lock); | |
13029 | schedule_work(&rdev->destroy_work); | |
13030 | } | |
93a1e86c JR |
13031 | } else if (schedule_scan_stop) { |
13032 | sched_scan_req->owner_nlportid = 0; | |
13033 | ||
13034 | if (rdev->ops->sched_scan_stop && | |
13035 | rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
13036 | schedule_work(&rdev->sched_scan_stop_wk); | |
78f22b6a | 13037 | } |
5e760230 | 13038 | } |
026331c4 JM |
13039 | |
13040 | rcu_read_unlock(); | |
13041 | ||
05050753 I |
13042 | /* |
13043 | * It is possible that the user space process that is controlling the | |
13044 | * indoor setting disappeared, so notify the regulatory core. | |
13045 | */ | |
13046 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 13047 | return NOTIFY_OK; |
026331c4 JM |
13048 | } |
13049 | ||
13050 | static struct notifier_block nl80211_netlink_notifier = { | |
13051 | .notifier_call = nl80211_netlink_notify, | |
13052 | }; | |
13053 | ||
355199e0 JM |
13054 | void cfg80211_ft_event(struct net_device *netdev, |
13055 | struct cfg80211_ft_event_params *ft_event) | |
13056 | { | |
13057 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 13058 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
13059 | struct sk_buff *msg; |
13060 | void *hdr; | |
355199e0 JM |
13061 | |
13062 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
13063 | ||
13064 | if (!ft_event->target_ap) | |
13065 | return; | |
13066 | ||
13067 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13068 | if (!msg) | |
13069 | return; | |
13070 | ||
13071 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
13072 | if (!hdr) |
13073 | goto out; | |
355199e0 | 13074 | |
ae917c9f JB |
13075 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13076 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13077 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
13078 | goto out; | |
355199e0 | 13079 | |
ae917c9f JB |
13080 | if (ft_event->ies && |
13081 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
13082 | goto out; | |
13083 | if (ft_event->ric_ies && | |
13084 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
13085 | ft_event->ric_ies)) | |
13086 | goto out; | |
355199e0 | 13087 | |
9c90a9f6 | 13088 | genlmsg_end(msg, hdr); |
355199e0 | 13089 | |
68eb5503 | 13090 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13091 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
13092 | return; |
13093 | out: | |
13094 | nlmsg_free(msg); | |
355199e0 JM |
13095 | } |
13096 | EXPORT_SYMBOL(cfg80211_ft_event); | |
13097 | ||
5de17984 AS |
13098 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
13099 | { | |
13100 | struct cfg80211_registered_device *rdev; | |
13101 | struct sk_buff *msg; | |
13102 | void *hdr; | |
13103 | u32 nlportid; | |
13104 | ||
f26cbf40 | 13105 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
13106 | if (!rdev->crit_proto_nlportid) |
13107 | return; | |
13108 | ||
13109 | nlportid = rdev->crit_proto_nlportid; | |
13110 | rdev->crit_proto_nlportid = 0; | |
13111 | ||
13112 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13113 | if (!msg) | |
13114 | return; | |
13115 | ||
13116 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
13117 | if (!hdr) | |
13118 | goto nla_put_failure; | |
13119 | ||
13120 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
13121 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
13122 | goto nla_put_failure; | |
13123 | ||
13124 | genlmsg_end(msg, hdr); | |
13125 | ||
13126 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
13127 | return; | |
13128 | ||
13129 | nla_put_failure: | |
13130 | if (hdr) | |
13131 | genlmsg_cancel(msg, hdr); | |
13132 | nlmsg_free(msg); | |
13133 | ||
13134 | } | |
13135 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
13136 | ||
348baf0e JB |
13137 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
13138 | { | |
13139 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13140 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
13141 | struct sk_buff *msg; |
13142 | void *hdr; | |
13143 | ||
13144 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13145 | if (!msg) | |
13146 | return; | |
13147 | ||
13148 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
13149 | if (!hdr) | |
13150 | goto out; | |
13151 | ||
13152 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
13153 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
13154 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
13155 | goto out; | |
13156 | ||
13157 | genlmsg_end(msg, hdr); | |
13158 | ||
13159 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
13160 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
13161 | return; | |
13162 | out: | |
13163 | nlmsg_free(msg); | |
13164 | } | |
13165 | ||
55682965 JB |
13166 | /* initialisation/exit functions */ |
13167 | ||
13168 | int nl80211_init(void) | |
13169 | { | |
0d63cbb5 | 13170 | int err; |
55682965 | 13171 | |
2a94fe48 JB |
13172 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
13173 | nl80211_mcgrps); | |
55682965 JB |
13174 | if (err) |
13175 | return err; | |
13176 | ||
026331c4 JM |
13177 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
13178 | if (err) | |
13179 | goto err_out; | |
13180 | ||
55682965 JB |
13181 | return 0; |
13182 | err_out: | |
13183 | genl_unregister_family(&nl80211_fam); | |
13184 | return err; | |
13185 | } | |
13186 | ||
13187 | void nl80211_exit(void) | |
13188 | { | |
026331c4 | 13189 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
13190 | genl_unregister_family(&nl80211_fam); |
13191 | } |