Commit | Line | Data |
---|---|---|
55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
2740f0cf | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
0c9ca11b | 6 | * Copyright 2015-2016 Intel Deutschland GmbH |
55682965 JB |
7 | */ |
8 | ||
9 | #include <linux/if.h> | |
10 | #include <linux/module.h> | |
11 | #include <linux/err.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
55682965 JB |
13 | #include <linux/list.h> |
14 | #include <linux/if_ether.h> | |
15 | #include <linux/ieee80211.h> | |
16 | #include <linux/nl80211.h> | |
17 | #include <linux/rtnetlink.h> | |
18 | #include <linux/netlink.h> | |
2a519311 | 19 | #include <linux/etherdevice.h> |
463d0183 | 20 | #include <net/net_namespace.h> |
55682965 JB |
21 | #include <net/genetlink.h> |
22 | #include <net/cfg80211.h> | |
463d0183 | 23 | #include <net/sock.h> |
2a0e047e | 24 | #include <net/inet_connection_sock.h> |
55682965 JB |
25 | #include "core.h" |
26 | #include "nl80211.h" | |
b2e1b302 | 27 | #include "reg.h" |
e35e4d28 | 28 | #include "rdev-ops.h" |
55682965 | 29 | |
5fb628e9 JM |
30 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
31 | struct genl_info *info, | |
32 | struct cfg80211_crypto_settings *settings, | |
33 | int cipher_limit); | |
34 | ||
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 | ||
53873f13 | 106 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
89a54e48 JB |
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 */ | |
53873f13 | 152 | list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) { |
89a54e48 JB |
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]); | |
7a087e74 | 170 | |
7f2b8562 | 171 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
172 | if (netdev) { |
173 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
174 | tmp = wiphy_to_rdev( |
175 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
176 | else |
177 | tmp = NULL; | |
178 | ||
7fee4778 JB |
179 | /* not wireless device -- return error */ |
180 | if (!tmp) | |
181 | return ERR_PTR(-EINVAL); | |
182 | ||
183 | /* mismatch -- return error */ | |
184 | if (rdev && tmp != rdev) | |
185 | return ERR_PTR(-EINVAL); | |
186 | ||
187 | rdev = tmp; | |
a9455408 | 188 | } |
a9455408 | 189 | } |
a9455408 | 190 | |
4f7eff10 JB |
191 | if (!rdev) |
192 | return ERR_PTR(-ENODEV); | |
a9455408 | 193 | |
4f7eff10 JB |
194 | if (netns != wiphy_net(&rdev->wiphy)) |
195 | return ERR_PTR(-ENODEV); | |
196 | ||
197 | return rdev; | |
a9455408 JB |
198 | } |
199 | ||
200 | /* | |
201 | * This function returns a pointer to the driver | |
202 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
203 | * |
204 | * The result of this can be a PTR_ERR and hence must | |
205 | * be checked with IS_ERR() for errors. | |
206 | */ | |
207 | static struct cfg80211_registered_device * | |
4f7eff10 | 208 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 209 | { |
5fe231e8 | 210 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
211 | } |
212 | ||
55682965 | 213 | /* policy for the attributes */ |
8cd4d456 | 214 | static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { |
55682965 JB |
215 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
216 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 217 | .len = 20-1 }, |
31888487 | 218 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 219 | |
72bdcf34 | 220 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 221 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
222 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
223 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
224 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
225 | ||
b9a5f8ca JM |
226 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
227 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
228 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
229 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 230 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
3057dbfd | 231 | [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, |
55682965 JB |
232 | |
233 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
234 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
235 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 236 | |
e007b857 EP |
237 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
238 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 239 | |
b9454e83 | 240 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
241 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
242 | .len = WLAN_MAX_KEY_LEN }, | |
243 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
244 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
245 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 246 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 247 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
248 | |
249 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
250 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
251 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
252 | .len = IEEE80211_MAX_DATA_LEN }, | |
253 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
254 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
255 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
256 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
257 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
258 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
259 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 260 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 261 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 262 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 263 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 264 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 265 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 266 | |
b2e1b302 LR |
267 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
268 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
269 | ||
9f1ba906 JM |
270 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
271 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
272 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
273 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
274 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 275 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 276 | |
24bdd9f4 | 277 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 278 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 279 | |
6c739419 | 280 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
281 | |
282 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
283 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
284 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
285 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
286 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
287 | |
288 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
289 | .len = IEEE80211_MAX_SSID_LEN }, | |
290 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
291 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 292 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 293 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 294 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
295 | [NL80211_ATTR_STA_FLAGS2] = { |
296 | .len = sizeof(struct nl80211_sta_flag_update), | |
297 | }, | |
3f77316c | 298 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
299 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
300 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
301 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
302 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
303 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 304 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 305 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
306 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
307 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
308 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
309 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 310 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
311 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
312 | .len = IEEE80211_MAX_DATA_LEN }, | |
313 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 314 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 315 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 316 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 317 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
318 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
319 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 320 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
321 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
322 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 323 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 324 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 325 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 326 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 327 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 328 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 329 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 330 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 331 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
332 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
333 | .len = IEEE80211_MAX_DATA_LEN }, | |
334 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
335 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 336 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 337 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 338 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
339 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
340 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
341 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
342 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
343 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 344 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 345 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
346 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
347 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 348 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
349 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
350 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
351 | .len = NL80211_HT_CAPABILITY_LEN | |
352 | }, | |
1d9d9213 | 353 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 354 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 355 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 356 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 357 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 358 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 359 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 360 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
361 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
362 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
363 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
364 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
365 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
366 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 367 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
368 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
369 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
370 | .len = NL80211_VHT_CAPABILITY_LEN, | |
371 | }, | |
355199e0 JM |
372 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
373 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
374 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 375 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
376 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
377 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
378 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
379 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
380 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
381 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
382 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 383 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 384 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
385 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
386 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
387 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
388 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
389 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
390 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
391 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 392 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
18e5ca65 | 393 | [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 394 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 395 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
960d01ac JB |
396 | [NL80211_ATTR_TSID] = { .type = NLA_U8 }, |
397 | [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, | |
398 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, | |
18998c38 | 399 | [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, |
ad2b26ab | 400 | [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN }, |
1bdd716c | 401 | [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG }, |
4b681c82 | 402 | [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 }, |
9c748934 | 403 | [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 }, |
05050753 | 404 | [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG }, |
34d50519 | 405 | [NL80211_ATTR_PBSS] = { .type = NLA_FLAG }, |
38de03d2 | 406 | [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED }, |
17b94247 | 407 | [NL80211_ATTR_STA_SUPPORT_P2P_PS] = { .type = NLA_U8 }, |
c6e6a0c8 AE |
408 | [NL80211_ATTR_MU_MIMO_GROUP_DATA] = { |
409 | .len = VHT_MUMIMO_GROUPS_DATA_LEN | |
410 | }, | |
411 | [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN }, | |
55682965 JB |
412 | }; |
413 | ||
e31b8213 | 414 | /* policy for the key attributes */ |
b54452b0 | 415 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 416 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
417 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
418 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 419 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
420 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
421 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 422 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
423 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
424 | }; | |
425 | ||
426 | /* policy for the key default flags */ | |
427 | static const struct nla_policy | |
428 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
429 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
430 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
431 | }; |
432 | ||
ff1b6e69 JB |
433 | /* policy for WoWLAN attributes */ |
434 | static const struct nla_policy | |
435 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
436 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
437 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
438 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
439 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
440 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
441 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
442 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
443 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 444 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 445 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
446 | }; |
447 | ||
448 | static const struct nla_policy | |
449 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
450 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
451 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
452 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
453 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
454 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
455 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
456 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
457 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
458 | }, | |
459 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
460 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
461 | }, | |
462 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
463 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
464 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
465 | }; |
466 | ||
be29b99a AK |
467 | /* policy for coalesce rule attributes */ |
468 | static const struct nla_policy | |
469 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
470 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
471 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
472 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
473 | }; | |
474 | ||
e5497d76 JB |
475 | /* policy for GTK rekey offload attributes */ |
476 | static const struct nla_policy | |
477 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
478 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
479 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
480 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
481 | }; | |
482 | ||
a1f1c21c LC |
483 | static const struct nla_policy |
484 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 485 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 486 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 487 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
488 | }; |
489 | ||
3b06d277 AS |
490 | static const struct nla_policy |
491 | nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = { | |
492 | [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 }, | |
493 | [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 }, | |
494 | }; | |
495 | ||
38de03d2 AS |
496 | static const struct nla_policy |
497 | nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = { | |
498 | [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG }, | |
499 | [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 }, | |
500 | [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = { | |
501 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
502 | }, | |
503 | }; | |
504 | ||
97990a06 JB |
505 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
506 | struct netlink_callback *cb, | |
507 | struct cfg80211_registered_device **rdev, | |
508 | struct wireless_dev **wdev) | |
a043897a | 509 | { |
97990a06 | 510 | int err; |
a043897a | 511 | |
97990a06 | 512 | rtnl_lock(); |
a043897a | 513 | |
97990a06 JB |
514 | if (!cb->args[0]) { |
515 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
516 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
517 | nl80211_policy); | |
518 | if (err) | |
519 | goto out_unlock; | |
67748893 | 520 | |
97990a06 JB |
521 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
522 | nl80211_fam.attrbuf); | |
523 | if (IS_ERR(*wdev)) { | |
524 | err = PTR_ERR(*wdev); | |
525 | goto out_unlock; | |
526 | } | |
f26cbf40 | 527 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
528 | /* 0 is the first index - add 1 to parse only once */ |
529 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
530 | cb->args[1] = (*wdev)->identifier; |
531 | } else { | |
c319d50b JB |
532 | /* subtract the 1 again here */ |
533 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 534 | struct wireless_dev *tmp; |
67748893 | 535 | |
97990a06 JB |
536 | if (!wiphy) { |
537 | err = -ENODEV; | |
538 | goto out_unlock; | |
539 | } | |
f26cbf40 | 540 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 541 | *wdev = NULL; |
67748893 | 542 | |
53873f13 | 543 | list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) { |
97990a06 JB |
544 | if (tmp->identifier == cb->args[1]) { |
545 | *wdev = tmp; | |
546 | break; | |
547 | } | |
548 | } | |
67748893 | 549 | |
97990a06 JB |
550 | if (!*wdev) { |
551 | err = -ENODEV; | |
552 | goto out_unlock; | |
553 | } | |
67748893 JB |
554 | } |
555 | ||
67748893 | 556 | return 0; |
97990a06 | 557 | out_unlock: |
67748893 JB |
558 | rtnl_unlock(); |
559 | return err; | |
560 | } | |
561 | ||
97990a06 | 562 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 563 | { |
67748893 JB |
564 | rtnl_unlock(); |
565 | } | |
566 | ||
f4a11bb0 JB |
567 | /* IE validation */ |
568 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
569 | { | |
570 | const u8 *pos; | |
571 | int len; | |
572 | ||
573 | if (!attr) | |
574 | return true; | |
575 | ||
576 | pos = nla_data(attr); | |
577 | len = nla_len(attr); | |
578 | ||
579 | while (len) { | |
580 | u8 elemlen; | |
581 | ||
582 | if (len < 2) | |
583 | return false; | |
584 | len -= 2; | |
585 | ||
586 | elemlen = pos[1]; | |
587 | if (elemlen > len) | |
588 | return false; | |
589 | ||
590 | len -= elemlen; | |
591 | pos += 2 + elemlen; | |
592 | } | |
593 | ||
594 | return true; | |
595 | } | |
596 | ||
55682965 | 597 | /* message building helper */ |
15e47304 | 598 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
599 | int flags, u8 cmd) |
600 | { | |
601 | /* since there is no private header just add the generic one */ | |
15e47304 | 602 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
603 | } |
604 | ||
5dab3b8a | 605 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
606 | struct ieee80211_channel *chan, |
607 | bool large) | |
5dab3b8a | 608 | { |
ea077c1c RL |
609 | /* Some channels must be completely excluded from the |
610 | * list to protect old user-space tools from breaking | |
611 | */ | |
612 | if (!large && chan->flags & | |
613 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
614 | return 0; | |
615 | ||
9360ffd1 DM |
616 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
617 | chan->center_freq)) | |
618 | goto nla_put_failure; | |
5dab3b8a | 619 | |
9360ffd1 DM |
620 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
621 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
622 | goto nla_put_failure; | |
8fe02e16 LR |
623 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
624 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
625 | goto nla_put_failure; | |
626 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
627 | goto nla_put_failure; | |
628 | } | |
cdc89b97 JB |
629 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
630 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
631 | goto nla_put_failure; | |
632 | if (large) { | |
633 | u32 time; | |
634 | ||
635 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
636 | ||
637 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
638 | chan->dfs_state)) | |
639 | goto nla_put_failure; | |
640 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
641 | time)) | |
642 | goto nla_put_failure; | |
089027e5 JD |
643 | if (nla_put_u32(msg, |
644 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
645 | chan->dfs_cac_ms)) | |
646 | goto nla_put_failure; | |
cdc89b97 JB |
647 | } |
648 | } | |
5dab3b8a | 649 | |
fe1abafd JB |
650 | if (large) { |
651 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
652 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
653 | goto nla_put_failure; | |
654 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
655 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
656 | goto nla_put_failure; | |
657 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
658 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
659 | goto nla_put_failure; | |
660 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
661 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
662 | goto nla_put_failure; | |
570dbde1 DS |
663 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
664 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
665 | goto nla_put_failure; | |
06f207fc AN |
666 | if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) && |
667 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT)) | |
570dbde1 | 668 | goto nla_put_failure; |
ea077c1c RL |
669 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
670 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
671 | goto nla_put_failure; | |
672 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
673 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
674 | goto nla_put_failure; | |
fe1abafd JB |
675 | } |
676 | ||
9360ffd1 DM |
677 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
678 | DBM_TO_MBM(chan->max_power))) | |
679 | goto nla_put_failure; | |
5dab3b8a LR |
680 | |
681 | return 0; | |
682 | ||
683 | nla_put_failure: | |
684 | return -ENOBUFS; | |
685 | } | |
686 | ||
55682965 JB |
687 | /* netlink command implementations */ |
688 | ||
b9454e83 JB |
689 | struct key_parse { |
690 | struct key_params p; | |
691 | int idx; | |
e31b8213 | 692 | int type; |
b9454e83 | 693 | bool def, defmgmt; |
dbd2fd65 | 694 | bool def_uni, def_multi; |
b9454e83 JB |
695 | }; |
696 | ||
697 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
698 | { | |
699 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
700 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
701 | nl80211_key_policy); | |
702 | if (err) | |
703 | return err; | |
704 | ||
705 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
706 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
707 | ||
dbd2fd65 JB |
708 | if (k->def) { |
709 | k->def_uni = true; | |
710 | k->def_multi = true; | |
711 | } | |
712 | if (k->defmgmt) | |
713 | k->def_multi = true; | |
714 | ||
b9454e83 JB |
715 | if (tb[NL80211_KEY_IDX]) |
716 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
717 | ||
718 | if (tb[NL80211_KEY_DATA]) { | |
719 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
720 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
721 | } | |
722 | ||
723 | if (tb[NL80211_KEY_SEQ]) { | |
724 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
725 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
726 | } | |
727 | ||
728 | if (tb[NL80211_KEY_CIPHER]) | |
729 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
730 | ||
e31b8213 JB |
731 | if (tb[NL80211_KEY_TYPE]) { |
732 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
733 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
734 | return -EINVAL; | |
735 | } | |
736 | ||
dbd2fd65 JB |
737 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
738 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
7a087e74 | 739 | |
2da8f419 JB |
740 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
741 | tb[NL80211_KEY_DEFAULT_TYPES], | |
742 | nl80211_key_default_policy); | |
dbd2fd65 JB |
743 | if (err) |
744 | return err; | |
745 | ||
746 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
747 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
748 | } | |
749 | ||
b9454e83 JB |
750 | return 0; |
751 | } | |
752 | ||
753 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
754 | { | |
755 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
756 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
757 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
758 | } | |
759 | ||
760 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
761 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
762 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
763 | } | |
764 | ||
765 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
766 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
767 | ||
768 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
769 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
770 | ||
771 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
772 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
773 | ||
dbd2fd65 JB |
774 | if (k->def) { |
775 | k->def_uni = true; | |
776 | k->def_multi = true; | |
777 | } | |
778 | if (k->defmgmt) | |
779 | k->def_multi = true; | |
780 | ||
e31b8213 JB |
781 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
782 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
783 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
784 | return -EINVAL; | |
785 | } | |
786 | ||
dbd2fd65 JB |
787 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
788 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
789 | int err = nla_parse_nested( | |
790 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
791 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
792 | nl80211_key_default_policy); | |
793 | if (err) | |
794 | return err; | |
795 | ||
796 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
797 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
798 | } | |
799 | ||
b9454e83 JB |
800 | return 0; |
801 | } | |
802 | ||
803 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
804 | { | |
805 | int err; | |
806 | ||
807 | memset(k, 0, sizeof(*k)); | |
808 | k->idx = -1; | |
e31b8213 | 809 | k->type = -1; |
b9454e83 JB |
810 | |
811 | if (info->attrs[NL80211_ATTR_KEY]) | |
812 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
813 | else | |
814 | err = nl80211_parse_key_old(info, k); | |
815 | ||
816 | if (err) | |
817 | return err; | |
818 | ||
819 | if (k->def && k->defmgmt) | |
820 | return -EINVAL; | |
821 | ||
dbd2fd65 JB |
822 | if (k->defmgmt) { |
823 | if (k->def_uni || !k->def_multi) | |
824 | return -EINVAL; | |
825 | } | |
826 | ||
b9454e83 JB |
827 | if (k->idx != -1) { |
828 | if (k->defmgmt) { | |
829 | if (k->idx < 4 || k->idx > 5) | |
830 | return -EINVAL; | |
831 | } else if (k->def) { | |
832 | if (k->idx < 0 || k->idx > 3) | |
833 | return -EINVAL; | |
834 | } else { | |
835 | if (k->idx < 0 || k->idx > 5) | |
836 | return -EINVAL; | |
837 | } | |
838 | } | |
839 | ||
840 | return 0; | |
841 | } | |
842 | ||
fffd0934 JB |
843 | static struct cfg80211_cached_keys * |
844 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 845 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
846 | { |
847 | struct key_parse parse; | |
848 | struct nlattr *key; | |
849 | struct cfg80211_cached_keys *result; | |
850 | int rem, err, def = 0; | |
f1c1f17a JB |
851 | bool have_key = false; |
852 | ||
853 | nla_for_each_nested(key, keys, rem) { | |
854 | have_key = true; | |
855 | break; | |
856 | } | |
857 | ||
858 | if (!have_key) | |
859 | return NULL; | |
fffd0934 JB |
860 | |
861 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
862 | if (!result) | |
863 | return ERR_PTR(-ENOMEM); | |
864 | ||
865 | result->def = -1; | |
fffd0934 JB |
866 | |
867 | nla_for_each_nested(key, keys, rem) { | |
868 | memset(&parse, 0, sizeof(parse)); | |
869 | parse.idx = -1; | |
870 | ||
871 | err = nl80211_parse_key_new(key, &parse); | |
872 | if (err) | |
873 | goto error; | |
874 | err = -EINVAL; | |
875 | if (!parse.p.key) | |
876 | goto error; | |
42ee231c | 877 | if (parse.idx < 0 || parse.idx > 3) |
fffd0934 JB |
878 | goto error; |
879 | if (parse.def) { | |
880 | if (def) | |
881 | goto error; | |
882 | def = 1; | |
883 | result->def = parse.idx; | |
dbd2fd65 JB |
884 | if (!parse.def_uni || !parse.def_multi) |
885 | goto error; | |
fffd0934 JB |
886 | } else if (parse.defmgmt) |
887 | goto error; | |
888 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 889 | parse.idx, false, NULL); |
fffd0934 JB |
890 | if (err) |
891 | goto error; | |
386b1f27 JB |
892 | if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 && |
893 | parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) { | |
894 | err = -EINVAL; | |
895 | goto error; | |
896 | } | |
fffd0934 JB |
897 | result->params[parse.idx].cipher = parse.p.cipher; |
898 | result->params[parse.idx].key_len = parse.p.key_len; | |
899 | result->params[parse.idx].key = result->data[parse.idx]; | |
900 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee | 901 | |
386b1f27 JB |
902 | /* must be WEP key if we got here */ |
903 | if (no_ht) | |
904 | *no_ht = true; | |
fffd0934 JB |
905 | } |
906 | ||
f1c1f17a JB |
907 | if (result->def < 0) { |
908 | err = -EINVAL; | |
909 | goto error; | |
910 | } | |
911 | ||
fffd0934 JB |
912 | return result; |
913 | error: | |
914 | kfree(result); | |
915 | return ERR_PTR(err); | |
916 | } | |
917 | ||
918 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
919 | { | |
920 | ASSERT_WDEV_LOCK(wdev); | |
921 | ||
fffd0934 JB |
922 | switch (wdev->iftype) { |
923 | case NL80211_IFTYPE_AP: | |
924 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 925 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 926 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
927 | break; |
928 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 929 | case NL80211_IFTYPE_STATION: |
074ac8df | 930 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 931 | if (!wdev->current_bss) |
fffd0934 JB |
932 | return -ENOLINK; |
933 | break; | |
de4fcbad | 934 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 935 | case NL80211_IFTYPE_OCB: |
de4fcbad JB |
936 | case NL80211_IFTYPE_MONITOR: |
937 | case NL80211_IFTYPE_P2P_DEVICE: | |
938 | case NL80211_IFTYPE_WDS: | |
939 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
940 | return -EINVAL; |
941 | } | |
942 | ||
943 | return 0; | |
944 | } | |
945 | ||
664834de JM |
946 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
947 | struct nlattr *tb) | |
948 | { | |
949 | struct ieee80211_channel *chan; | |
950 | ||
951 | if (tb == NULL) | |
952 | return NULL; | |
953 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
954 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
955 | return NULL; | |
956 | return chan; | |
957 | } | |
958 | ||
7527a782 JB |
959 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
960 | { | |
961 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
962 | int i; | |
963 | ||
964 | if (!nl_modes) | |
965 | goto nla_put_failure; | |
966 | ||
967 | i = 0; | |
968 | while (ifmodes) { | |
9360ffd1 DM |
969 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
970 | goto nla_put_failure; | |
7527a782 JB |
971 | ifmodes >>= 1; |
972 | i++; | |
973 | } | |
974 | ||
975 | nla_nest_end(msg, nl_modes); | |
976 | return 0; | |
977 | ||
978 | nla_put_failure: | |
979 | return -ENOBUFS; | |
980 | } | |
981 | ||
982 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
983 | struct sk_buff *msg, |
984 | bool large) | |
7527a782 JB |
985 | { |
986 | struct nlattr *nl_combis; | |
987 | int i, j; | |
988 | ||
989 | nl_combis = nla_nest_start(msg, | |
990 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
991 | if (!nl_combis) | |
992 | goto nla_put_failure; | |
993 | ||
994 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
995 | const struct ieee80211_iface_combination *c; | |
996 | struct nlattr *nl_combi, *nl_limits; | |
997 | ||
998 | c = &wiphy->iface_combinations[i]; | |
999 | ||
1000 | nl_combi = nla_nest_start(msg, i + 1); | |
1001 | if (!nl_combi) | |
1002 | goto nla_put_failure; | |
1003 | ||
1004 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
1005 | if (!nl_limits) | |
1006 | goto nla_put_failure; | |
1007 | ||
1008 | for (j = 0; j < c->n_limits; j++) { | |
1009 | struct nlattr *nl_limit; | |
1010 | ||
1011 | nl_limit = nla_nest_start(msg, j + 1); | |
1012 | if (!nl_limit) | |
1013 | goto nla_put_failure; | |
9360ffd1 DM |
1014 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
1015 | c->limits[j].max)) | |
1016 | goto nla_put_failure; | |
7527a782 JB |
1017 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
1018 | c->limits[j].types)) | |
1019 | goto nla_put_failure; | |
1020 | nla_nest_end(msg, nl_limit); | |
1021 | } | |
1022 | ||
1023 | nla_nest_end(msg, nl_limits); | |
1024 | ||
9360ffd1 DM |
1025 | if (c->beacon_int_infra_match && |
1026 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
1027 | goto nla_put_failure; | |
1028 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
1029 | c->num_different_channels) || | |
1030 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
1031 | c->max_interfaces)) | |
1032 | goto nla_put_failure; | |
cdc89b97 | 1033 | if (large && |
8c48b50a FF |
1034 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
1035 | c->radar_detect_widths) || | |
1036 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
1037 | c->radar_detect_regions))) | |
cdc89b97 | 1038 | goto nla_put_failure; |
7527a782 JB |
1039 | |
1040 | nla_nest_end(msg, nl_combi); | |
1041 | } | |
1042 | ||
1043 | nla_nest_end(msg, nl_combis); | |
1044 | ||
1045 | return 0; | |
1046 | nla_put_failure: | |
1047 | return -ENOBUFS; | |
1048 | } | |
1049 | ||
3713b4e3 | 1050 | #ifdef CONFIG_PM |
b56cf720 JB |
1051 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1052 | struct sk_buff *msg) | |
1053 | { | |
964dc9e2 | 1054 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1055 | struct nlattr *nl_tcp; |
1056 | ||
1057 | if (!tcp) | |
1058 | return 0; | |
1059 | ||
1060 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1061 | if (!nl_tcp) | |
1062 | return -ENOBUFS; | |
1063 | ||
1064 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1065 | tcp->data_payload_max)) | |
1066 | return -ENOBUFS; | |
1067 | ||
1068 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1069 | tcp->data_payload_max)) | |
1070 | return -ENOBUFS; | |
1071 | ||
1072 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1073 | return -ENOBUFS; | |
1074 | ||
1075 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1076 | sizeof(*tcp->tok), tcp->tok)) | |
1077 | return -ENOBUFS; | |
1078 | ||
1079 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1080 | tcp->data_interval_max)) | |
1081 | return -ENOBUFS; | |
1082 | ||
1083 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1084 | tcp->wake_payload_max)) | |
1085 | return -ENOBUFS; | |
1086 | ||
1087 | nla_nest_end(msg, nl_tcp); | |
1088 | return 0; | |
1089 | } | |
1090 | ||
3713b4e3 | 1091 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1092 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1093 | bool large) |
55682965 | 1094 | { |
3713b4e3 | 1095 | struct nlattr *nl_wowlan; |
55682965 | 1096 | |
1b8ec87a | 1097 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1098 | return 0; |
55682965 | 1099 | |
3713b4e3 JB |
1100 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1101 | if (!nl_wowlan) | |
1102 | return -ENOBUFS; | |
9360ffd1 | 1103 | |
1b8ec87a | 1104 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1105 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1106 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1107 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1108 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1109 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1110 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1111 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1112 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1113 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1114 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1115 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1116 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1117 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1118 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1119 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1120 | return -ENOBUFS; | |
9360ffd1 | 1121 | |
1b8ec87a | 1122 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1123 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1124 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1125 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1126 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1127 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1128 | }; |
9360ffd1 | 1129 | |
3713b4e3 JB |
1130 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1131 | sizeof(pat), &pat)) | |
1132 | return -ENOBUFS; | |
1133 | } | |
9360ffd1 | 1134 | |
75453ccb LC |
1135 | if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) && |
1136 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT, | |
1137 | rdev->wiphy.wowlan->max_nd_match_sets)) | |
1138 | return -ENOBUFS; | |
1139 | ||
1b8ec87a | 1140 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1141 | return -ENOBUFS; |
1142 | ||
3713b4e3 | 1143 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1144 | |
3713b4e3 JB |
1145 | return 0; |
1146 | } | |
1147 | #endif | |
9360ffd1 | 1148 | |
be29b99a | 1149 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1150 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1151 | { |
1152 | struct nl80211_coalesce_rule_support rule; | |
1153 | ||
1b8ec87a | 1154 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1155 | return 0; |
1156 | ||
1b8ec87a ZG |
1157 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1158 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1159 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1160 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1161 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1162 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1163 | |
1164 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1165 | return -ENOBUFS; | |
1166 | ||
1167 | return 0; | |
1168 | } | |
1169 | ||
3713b4e3 JB |
1170 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1171 | struct ieee80211_supported_band *sband) | |
1172 | { | |
1173 | struct nlattr *nl_rates, *nl_rate; | |
1174 | struct ieee80211_rate *rate; | |
1175 | int i; | |
87bbbe22 | 1176 | |
3713b4e3 JB |
1177 | /* add HT info */ |
1178 | if (sband->ht_cap.ht_supported && | |
1179 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1180 | sizeof(sband->ht_cap.mcs), | |
1181 | &sband->ht_cap.mcs) || | |
1182 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1183 | sband->ht_cap.cap) || | |
1184 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1185 | sband->ht_cap.ampdu_factor) || | |
1186 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1187 | sband->ht_cap.ampdu_density))) | |
1188 | return -ENOBUFS; | |
afe0cbf8 | 1189 | |
3713b4e3 JB |
1190 | /* add VHT info */ |
1191 | if (sband->vht_cap.vht_supported && | |
1192 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1193 | sizeof(sband->vht_cap.vht_mcs), | |
1194 | &sband->vht_cap.vht_mcs) || | |
1195 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1196 | sband->vht_cap.cap))) | |
1197 | return -ENOBUFS; | |
f59ac048 | 1198 | |
3713b4e3 JB |
1199 | /* add bitrates */ |
1200 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1201 | if (!nl_rates) | |
1202 | return -ENOBUFS; | |
ee688b00 | 1203 | |
3713b4e3 JB |
1204 | for (i = 0; i < sband->n_bitrates; i++) { |
1205 | nl_rate = nla_nest_start(msg, i); | |
1206 | if (!nl_rate) | |
1207 | return -ENOBUFS; | |
ee688b00 | 1208 | |
3713b4e3 JB |
1209 | rate = &sband->bitrates[i]; |
1210 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1211 | rate->bitrate)) | |
1212 | return -ENOBUFS; | |
1213 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1214 | nla_put_flag(msg, | |
1215 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1216 | return -ENOBUFS; | |
ee688b00 | 1217 | |
3713b4e3 JB |
1218 | nla_nest_end(msg, nl_rate); |
1219 | } | |
d51626df | 1220 | |
3713b4e3 | 1221 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1222 | |
3713b4e3 JB |
1223 | return 0; |
1224 | } | |
ee688b00 | 1225 | |
3713b4e3 JB |
1226 | static int |
1227 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1228 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1229 | { | |
1230 | u16 stypes; | |
1231 | struct nlattr *nl_ftypes, *nl_ifs; | |
1232 | enum nl80211_iftype ift; | |
1233 | int i; | |
ee688b00 | 1234 | |
3713b4e3 JB |
1235 | if (!mgmt_stypes) |
1236 | return 0; | |
5dab3b8a | 1237 | |
3713b4e3 JB |
1238 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1239 | if (!nl_ifs) | |
1240 | return -ENOBUFS; | |
e2f367f2 | 1241 | |
3713b4e3 JB |
1242 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1243 | nl_ftypes = nla_nest_start(msg, ift); | |
1244 | if (!nl_ftypes) | |
1245 | return -ENOBUFS; | |
1246 | i = 0; | |
1247 | stypes = mgmt_stypes[ift].tx; | |
1248 | while (stypes) { | |
1249 | if ((stypes & 1) && | |
1250 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1251 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1252 | return -ENOBUFS; | |
1253 | stypes >>= 1; | |
1254 | i++; | |
ee688b00 | 1255 | } |
3713b4e3 JB |
1256 | nla_nest_end(msg, nl_ftypes); |
1257 | } | |
ee688b00 | 1258 | |
3713b4e3 | 1259 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1260 | |
3713b4e3 JB |
1261 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1262 | if (!nl_ifs) | |
1263 | return -ENOBUFS; | |
ee688b00 | 1264 | |
3713b4e3 JB |
1265 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1266 | nl_ftypes = nla_nest_start(msg, ift); | |
1267 | if (!nl_ftypes) | |
1268 | return -ENOBUFS; | |
1269 | i = 0; | |
1270 | stypes = mgmt_stypes[ift].rx; | |
1271 | while (stypes) { | |
1272 | if ((stypes & 1) && | |
1273 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1274 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1275 | return -ENOBUFS; | |
1276 | stypes >>= 1; | |
1277 | i++; | |
1278 | } | |
1279 | nla_nest_end(msg, nl_ftypes); | |
1280 | } | |
1281 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1282 | |
3713b4e3 JB |
1283 | return 0; |
1284 | } | |
ee688b00 | 1285 | |
86e8cf98 JB |
1286 | struct nl80211_dump_wiphy_state { |
1287 | s64 filter_wiphy; | |
1288 | long start; | |
019ae3a9 | 1289 | long split_start, band_start, chan_start, capa_start; |
86e8cf98 JB |
1290 | bool split; |
1291 | }; | |
1292 | ||
1b8ec87a | 1293 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1294 | enum nl80211_commands cmd, |
3713b4e3 | 1295 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1296 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1297 | { |
1298 | void *hdr; | |
1299 | struct nlattr *nl_bands, *nl_band; | |
1300 | struct nlattr *nl_freqs, *nl_freq; | |
1301 | struct nlattr *nl_cmds; | |
57fbcce3 | 1302 | enum nl80211_band band; |
3713b4e3 JB |
1303 | struct ieee80211_channel *chan; |
1304 | int i; | |
1305 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1306 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1307 | u32 features; |
ee688b00 | 1308 | |
3bb20556 | 1309 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1310 | if (!hdr) |
1311 | return -ENOBUFS; | |
ee688b00 | 1312 | |
86e8cf98 JB |
1313 | if (WARN_ON(!state)) |
1314 | return -EINVAL; | |
ee688b00 | 1315 | |
1b8ec87a | 1316 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1317 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1318 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1319 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1320 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1321 | goto nla_put_failure; |
1322 | ||
3bb20556 JB |
1323 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1324 | goto finish; | |
1325 | ||
86e8cf98 | 1326 | switch (state->split_start) { |
3713b4e3 JB |
1327 | case 0: |
1328 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1329 | rdev->wiphy.retry_short) || |
3713b4e3 | 1330 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1331 | rdev->wiphy.retry_long) || |
3713b4e3 | 1332 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1333 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1334 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1335 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1336 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1337 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1338 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1339 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1340 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1341 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1342 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1343 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1344 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1345 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1346 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
3b06d277 AS |
1347 | rdev->wiphy.max_match_sets) || |
1348 | nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS, | |
1349 | rdev->wiphy.max_sched_scan_plans) || | |
1350 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL, | |
1351 | rdev->wiphy.max_sched_scan_plan_interval) || | |
1352 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS, | |
1353 | rdev->wiphy.max_sched_scan_plan_iterations)) | |
9360ffd1 | 1354 | goto nla_put_failure; |
3713b4e3 | 1355 | |
1b8ec87a | 1356 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1357 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1358 | goto nla_put_failure; |
1b8ec87a | 1359 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1360 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1361 | goto nla_put_failure; | |
1b8ec87a | 1362 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1363 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1364 | goto nla_put_failure; | |
1b8ec87a | 1365 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1366 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1367 | goto nla_put_failure; | |
1b8ec87a | 1368 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1369 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1370 | goto nla_put_failure; | |
1b8ec87a | 1371 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1372 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1373 | goto nla_put_failure; |
86e8cf98 JB |
1374 | state->split_start++; |
1375 | if (state->split) | |
3713b4e3 JB |
1376 | break; |
1377 | case 1: | |
1378 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1379 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1380 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1381 | goto nla_put_failure; |
4745fc09 | 1382 | |
3713b4e3 | 1383 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1384 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1385 | goto nla_put_failure; |
b23aa676 | 1386 | |
1b8ec87a | 1387 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1388 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1389 | goto nla_put_failure; |
b23aa676 | 1390 | |
3713b4e3 | 1391 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1392 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1393 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1394 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1395 | goto nla_put_failure; |
b23aa676 | 1396 | |
1b8ec87a | 1397 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1398 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1399 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1400 | goto nla_put_failure; |
8fdc621d | 1401 | |
1b8ec87a ZG |
1402 | if ((rdev->wiphy.available_antennas_tx || |
1403 | rdev->wiphy.available_antennas_rx) && | |
1404 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1405 | u32 tx_ant = 0, rx_ant = 0; |
1406 | int res; | |
7a087e74 | 1407 | |
1b8ec87a | 1408 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1409 | if (!res) { |
1410 | if (nla_put_u32(msg, | |
1411 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1412 | tx_ant) || | |
1413 | nla_put_u32(msg, | |
1414 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1415 | rx_ant)) | |
1416 | goto nla_put_failure; | |
1417 | } | |
1418 | } | |
a293911d | 1419 | |
86e8cf98 JB |
1420 | state->split_start++; |
1421 | if (state->split) | |
3713b4e3 JB |
1422 | break; |
1423 | case 2: | |
1424 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1425 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1426 | goto nla_put_failure; |
86e8cf98 JB |
1427 | state->split_start++; |
1428 | if (state->split) | |
3713b4e3 JB |
1429 | break; |
1430 | case 3: | |
1431 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1432 | if (!nl_bands) | |
1433 | goto nla_put_failure; | |
f7ca38df | 1434 | |
86e8cf98 | 1435 | for (band = state->band_start; |
57fbcce3 | 1436 | band < NUM_NL80211_BANDS; band++) { |
3713b4e3 | 1437 | struct ieee80211_supported_band *sband; |
2e161f78 | 1438 | |
1b8ec87a | 1439 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1440 | |
3713b4e3 JB |
1441 | if (!sband) |
1442 | continue; | |
1443 | ||
1444 | nl_band = nla_nest_start(msg, band); | |
1445 | if (!nl_band) | |
2e161f78 | 1446 | goto nla_put_failure; |
3713b4e3 | 1447 | |
86e8cf98 | 1448 | switch (state->chan_start) { |
3713b4e3 JB |
1449 | case 0: |
1450 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1451 | goto nla_put_failure; |
86e8cf98 JB |
1452 | state->chan_start++; |
1453 | if (state->split) | |
3713b4e3 JB |
1454 | break; |
1455 | default: | |
1456 | /* add frequencies */ | |
1457 | nl_freqs = nla_nest_start( | |
1458 | msg, NL80211_BAND_ATTR_FREQS); | |
1459 | if (!nl_freqs) | |
1460 | goto nla_put_failure; | |
1461 | ||
86e8cf98 | 1462 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1463 | i < sband->n_channels; |
1464 | i++) { | |
1465 | nl_freq = nla_nest_start(msg, i); | |
1466 | if (!nl_freq) | |
1467 | goto nla_put_failure; | |
1468 | ||
1469 | chan = &sband->channels[i]; | |
1470 | ||
86e8cf98 JB |
1471 | if (nl80211_msg_put_channel( |
1472 | msg, chan, | |
1473 | state->split)) | |
3713b4e3 JB |
1474 | goto nla_put_failure; |
1475 | ||
1476 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1477 | if (state->split) |
3713b4e3 JB |
1478 | break; |
1479 | } | |
1480 | if (i < sband->n_channels) | |
86e8cf98 | 1481 | state->chan_start = i + 2; |
3713b4e3 | 1482 | else |
86e8cf98 | 1483 | state->chan_start = 0; |
3713b4e3 JB |
1484 | nla_nest_end(msg, nl_freqs); |
1485 | } | |
1486 | ||
1487 | nla_nest_end(msg, nl_band); | |
1488 | ||
86e8cf98 | 1489 | if (state->split) { |
3713b4e3 | 1490 | /* start again here */ |
86e8cf98 | 1491 | if (state->chan_start) |
3713b4e3 JB |
1492 | band--; |
1493 | break; | |
2e161f78 | 1494 | } |
2e161f78 | 1495 | } |
3713b4e3 | 1496 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1497 | |
57fbcce3 | 1498 | if (band < NUM_NL80211_BANDS) |
86e8cf98 | 1499 | state->band_start = band + 1; |
3713b4e3 | 1500 | else |
86e8cf98 | 1501 | state->band_start = 0; |
74b70a4e | 1502 | |
3713b4e3 | 1503 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1504 | if (state->band_start == 0 && state->chan_start == 0) |
1505 | state->split_start++; | |
1506 | if (state->split) | |
3713b4e3 JB |
1507 | break; |
1508 | case 4: | |
1509 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1510 | if (!nl_cmds) | |
2e161f78 JB |
1511 | goto nla_put_failure; |
1512 | ||
3713b4e3 JB |
1513 | i = 0; |
1514 | #define CMD(op, n) \ | |
1515 | do { \ | |
1b8ec87a | 1516 | if (rdev->ops->op) { \ |
3713b4e3 JB |
1517 | i++; \ |
1518 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1519 | goto nla_put_failure; \ | |
1520 | } \ | |
1521 | } while (0) | |
1522 | ||
1523 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1524 | CMD(change_virtual_intf, SET_INTERFACE); | |
1525 | CMD(add_key, NEW_KEY); | |
1526 | CMD(start_ap, START_AP); | |
1527 | CMD(add_station, NEW_STATION); | |
1528 | CMD(add_mpath, NEW_MPATH); | |
1529 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1530 | CMD(change_bss, SET_BSS); | |
1531 | CMD(auth, AUTHENTICATE); | |
1532 | CMD(assoc, ASSOCIATE); | |
1533 | CMD(deauth, DEAUTHENTICATE); | |
1534 | CMD(disassoc, DISASSOCIATE); | |
1535 | CMD(join_ibss, JOIN_IBSS); | |
1536 | CMD(join_mesh, JOIN_MESH); | |
1537 | CMD(set_pmksa, SET_PMKSA); | |
1538 | CMD(del_pmksa, DEL_PMKSA); | |
1539 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1b8ec87a | 1540 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
3713b4e3 JB |
1541 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
1542 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1543 | CMD(mgmt_tx, FRAME); | |
1544 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1b8ec87a | 1545 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
3713b4e3 JB |
1546 | i++; |
1547 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1548 | goto nla_put_failure; |
2e161f78 | 1549 | } |
1b8ec87a ZG |
1550 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || |
1551 | rdev->ops->join_mesh) { | |
3713b4e3 JB |
1552 | i++; |
1553 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1554 | goto nla_put_failure; | |
1555 | } | |
1556 | CMD(set_wds_peer, SET_WDS_PEER); | |
1b8ec87a | 1557 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
3713b4e3 JB |
1558 | CMD(tdls_mgmt, TDLS_MGMT); |
1559 | CMD(tdls_oper, TDLS_OPER); | |
1560 | } | |
1b8ec87a | 1561 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
3713b4e3 JB |
1562 | CMD(sched_scan_start, START_SCHED_SCAN); |
1563 | CMD(probe_client, PROBE_CLIENT); | |
1564 | CMD(set_noack_map, SET_NOACK_MAP); | |
1b8ec87a | 1565 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
3713b4e3 JB |
1566 | i++; |
1567 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1568 | goto nla_put_failure; | |
1569 | } | |
1570 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1571 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
02df00eb JB |
1572 | #ifdef CONFIG_NL80211_TESTMODE |
1573 | CMD(testmode_cmd, TESTMODE); | |
1574 | #endif | |
86e8cf98 | 1575 | if (state->split) { |
5de17984 AS |
1576 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1577 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1578 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1579 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1580 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
1581 | if (rdev->wiphy.features & |
1582 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 1583 | CMD(add_tx_ts, ADD_TX_TS); |
5de17984 | 1584 | } |
02df00eb | 1585 | /* add into the if now */ |
3713b4e3 | 1586 | #undef CMD |
ff1b6e69 | 1587 | |
1b8ec87a | 1588 | if (rdev->ops->connect || rdev->ops->auth) { |
3713b4e3 JB |
1589 | i++; |
1590 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1591 | goto nla_put_failure; |
ff1b6e69 JB |
1592 | } |
1593 | ||
1b8ec87a | 1594 | if (rdev->ops->disconnect || rdev->ops->deauth) { |
3713b4e3 JB |
1595 | i++; |
1596 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1597 | goto nla_put_failure; | |
1598 | } | |
1599 | ||
1600 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1601 | state->split_start++; |
1602 | if (state->split) | |
3713b4e3 JB |
1603 | break; |
1604 | case 5: | |
1b8ec87a ZG |
1605 | if (rdev->ops->remain_on_channel && |
1606 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1607 | nla_put_u32(msg, |
1608 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1609 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1610 | goto nla_put_failure; |
1611 | ||
1b8ec87a | 1612 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1613 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1614 | goto nla_put_failure; | |
1615 | ||
1616 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1617 | goto nla_put_failure; | |
86e8cf98 JB |
1618 | state->split_start++; |
1619 | if (state->split) | |
3713b4e3 JB |
1620 | break; |
1621 | case 6: | |
1622 | #ifdef CONFIG_PM | |
1b8ec87a | 1623 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1624 | goto nla_put_failure; |
86e8cf98 JB |
1625 | state->split_start++; |
1626 | if (state->split) | |
3713b4e3 JB |
1627 | break; |
1628 | #else | |
86e8cf98 | 1629 | state->split_start++; |
dfb89c56 | 1630 | #endif |
3713b4e3 JB |
1631 | case 7: |
1632 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1633 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1634 | goto nla_put_failure; |
ff1b6e69 | 1635 | |
1b8ec87a | 1636 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1637 | state->split)) |
3713b4e3 | 1638 | goto nla_put_failure; |
7527a782 | 1639 | |
86e8cf98 JB |
1640 | state->split_start++; |
1641 | if (state->split) | |
3713b4e3 JB |
1642 | break; |
1643 | case 8: | |
1b8ec87a | 1644 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1645 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1646 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1647 | goto nla_put_failure; |
7527a782 | 1648 | |
1b8ec87a | 1649 | features = rdev->wiphy.features; |
fe1abafd JB |
1650 | /* |
1651 | * We can only add the per-channel limit information if the | |
1652 | * dump is split, otherwise it makes it too big. Therefore | |
1653 | * only advertise it in that case. | |
1654 | */ | |
86e8cf98 | 1655 | if (state->split) |
fe1abafd JB |
1656 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1657 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1658 | goto nla_put_failure; |
562a7480 | 1659 | |
1b8ec87a | 1660 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1661 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1662 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1663 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1664 | goto nla_put_failure; |
1f074bd8 | 1665 | |
1b8ec87a ZG |
1666 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1667 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1668 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1669 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1670 | goto nla_put_failure; |
7e7c8926 | 1671 | |
3713b4e3 JB |
1672 | /* |
1673 | * Any information below this point is only available to | |
1674 | * applications that can deal with it being split. This | |
1675 | * helps ensure that newly added capabilities don't break | |
1676 | * older tools by overrunning their buffers. | |
1677 | * | |
1678 | * We still increment split_start so that in the split | |
1679 | * case we'll continue with more data in the next round, | |
1680 | * but break unconditionally so unsplit data stops here. | |
1681 | */ | |
86e8cf98 | 1682 | state->split_start++; |
3713b4e3 JB |
1683 | break; |
1684 | case 9: | |
1b8ec87a | 1685 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1686 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1687 | rdev->wiphy.extended_capabilities_len, |
1688 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1689 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1690 | rdev->wiphy.extended_capabilities_len, |
1691 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1692 | goto nla_put_failure; |
a50df0c4 | 1693 | |
1b8ec87a | 1694 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1695 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1696 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1697 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1698 | goto nla_put_failure; |
1699 | ||
be29b99a AK |
1700 | state->split_start++; |
1701 | break; | |
1702 | case 10: | |
1b8ec87a | 1703 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1704 | goto nla_put_failure; |
1705 | ||
1b8ec87a | 1706 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1707 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1708 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1709 | goto nla_put_failure; | |
b43504cf | 1710 | |
1b8ec87a | 1711 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1712 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1713 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1714 | goto nla_put_failure; |
1715 | ||
ad7e718c JB |
1716 | state->split_start++; |
1717 | break; | |
1718 | case 11: | |
1b8ec87a | 1719 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1720 | const struct nl80211_vendor_cmd_info *info; |
1721 | struct nlattr *nested; | |
1722 | ||
1723 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1724 | if (!nested) | |
1725 | goto nla_put_failure; | |
1726 | ||
1b8ec87a ZG |
1727 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1728 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1729 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1730 | goto nla_put_failure; | |
1731 | } | |
1732 | nla_nest_end(msg, nested); | |
1733 | } | |
1734 | ||
1b8ec87a | 1735 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1736 | const struct nl80211_vendor_cmd_info *info; |
1737 | struct nlattr *nested; | |
ad7e718c | 1738 | |
567ffc35 JB |
1739 | nested = nla_nest_start(msg, |
1740 | NL80211_ATTR_VENDOR_EVENTS); | |
1741 | if (!nested) | |
ad7e718c | 1742 | goto nla_put_failure; |
567ffc35 | 1743 | |
1b8ec87a ZG |
1744 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1745 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1746 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1747 | goto nla_put_failure; | |
1748 | } | |
1749 | nla_nest_end(msg, nested); | |
1750 | } | |
9a774c78 AO |
1751 | state->split_start++; |
1752 | break; | |
1753 | case 12: | |
1754 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1755 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1756 | rdev->wiphy.max_num_csa_counters)) | |
1757 | goto nla_put_failure; | |
01e0daa4 | 1758 | |
1bdd716c AN |
1759 | if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
1760 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
1761 | goto nla_put_failure; | |
1762 | ||
d75bb06b GKS |
1763 | if (nla_put(msg, NL80211_ATTR_EXT_FEATURES, |
1764 | sizeof(rdev->wiphy.ext_features), | |
1765 | rdev->wiphy.ext_features)) | |
1766 | goto nla_put_failure; | |
1767 | ||
38de03d2 AS |
1768 | if (rdev->wiphy.bss_select_support) { |
1769 | struct nlattr *nested; | |
1770 | u32 bss_select_support = rdev->wiphy.bss_select_support; | |
1771 | ||
1772 | nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT); | |
1773 | if (!nested) | |
1774 | goto nla_put_failure; | |
1775 | ||
1776 | i = 0; | |
1777 | while (bss_select_support) { | |
1778 | if ((bss_select_support & 1) && | |
1779 | nla_put_flag(msg, i)) | |
1780 | goto nla_put_failure; | |
1781 | i++; | |
1782 | bss_select_support >>= 1; | |
1783 | } | |
1784 | nla_nest_end(msg, nested); | |
1785 | } | |
1786 | ||
019ae3a9 KV |
1787 | state->split_start++; |
1788 | break; | |
1789 | case 13: | |
1790 | if (rdev->wiphy.num_iftype_ext_capab && | |
1791 | rdev->wiphy.iftype_ext_capab) { | |
1792 | struct nlattr *nested_ext_capab, *nested; | |
1793 | ||
1794 | nested = nla_nest_start(msg, | |
1795 | NL80211_ATTR_IFTYPE_EXT_CAPA); | |
1796 | if (!nested) | |
1797 | goto nla_put_failure; | |
1798 | ||
1799 | for (i = state->capa_start; | |
1800 | i < rdev->wiphy.num_iftype_ext_capab; i++) { | |
1801 | const struct wiphy_iftype_ext_capab *capab; | |
1802 | ||
1803 | capab = &rdev->wiphy.iftype_ext_capab[i]; | |
1804 | ||
1805 | nested_ext_capab = nla_nest_start(msg, i); | |
1806 | if (!nested_ext_capab || | |
1807 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, | |
1808 | capab->iftype) || | |
1809 | nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1810 | capab->extended_capabilities_len, | |
1811 | capab->extended_capabilities) || | |
1812 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1813 | capab->extended_capabilities_len, | |
1814 | capab->extended_capabilities_mask)) | |
1815 | goto nla_put_failure; | |
1816 | ||
1817 | nla_nest_end(msg, nested_ext_capab); | |
1818 | if (state->split) | |
1819 | break; | |
1820 | } | |
1821 | nla_nest_end(msg, nested); | |
1822 | if (i < rdev->wiphy.num_iftype_ext_capab) { | |
1823 | state->capa_start = i + 1; | |
1824 | break; | |
1825 | } | |
1826 | } | |
1827 | ||
3713b4e3 | 1828 | /* done */ |
86e8cf98 | 1829 | state->split_start = 0; |
3713b4e3 JB |
1830 | break; |
1831 | } | |
3bb20556 | 1832 | finish: |
053c095a JB |
1833 | genlmsg_end(msg, hdr); |
1834 | return 0; | |
55682965 JB |
1835 | |
1836 | nla_put_failure: | |
bc3ed28c TG |
1837 | genlmsg_cancel(msg, hdr); |
1838 | return -EMSGSIZE; | |
55682965 JB |
1839 | } |
1840 | ||
86e8cf98 JB |
1841 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1842 | struct netlink_callback *cb, | |
1843 | struct nl80211_dump_wiphy_state *state) | |
1844 | { | |
1845 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1846 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1847 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1848 | /* ignore parse errors for backward compatibility */ | |
1849 | if (ret) | |
1850 | return 0; | |
1851 | ||
1852 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1853 | if (tb[NL80211_ATTR_WIPHY]) | |
1854 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1855 | if (tb[NL80211_ATTR_WDEV]) | |
1856 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1857 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1858 | struct net_device *netdev; | |
1859 | struct cfg80211_registered_device *rdev; | |
1860 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1861 | ||
7f2b8562 | 1862 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1863 | if (!netdev) |
1864 | return -ENODEV; | |
1865 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1866 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1867 | netdev->ieee80211_ptr->wiphy); |
1868 | state->filter_wiphy = rdev->wiphy_idx; | |
1869 | } | |
86e8cf98 JB |
1870 | } |
1871 | ||
1872 | return 0; | |
1873 | } | |
1874 | ||
55682965 JB |
1875 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1876 | { | |
645e77de | 1877 | int idx = 0, ret; |
86e8cf98 | 1878 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1879 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1880 | |
5fe231e8 | 1881 | rtnl_lock(); |
86e8cf98 JB |
1882 | if (!state) { |
1883 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1884 | if (!state) { |
1885 | rtnl_unlock(); | |
86e8cf98 | 1886 | return -ENOMEM; |
3713b4e3 | 1887 | } |
86e8cf98 JB |
1888 | state->filter_wiphy = -1; |
1889 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1890 | if (ret) { | |
1891 | kfree(state); | |
1892 | rtnl_unlock(); | |
1893 | return ret; | |
3713b4e3 | 1894 | } |
86e8cf98 | 1895 | cb->args[0] = (long)state; |
3713b4e3 JB |
1896 | } |
1897 | ||
1b8ec87a ZG |
1898 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1899 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1900 | continue; |
86e8cf98 | 1901 | if (++idx <= state->start) |
55682965 | 1902 | continue; |
86e8cf98 | 1903 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1904 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1905 | continue; |
1906 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1907 | do { | |
3bb20556 JB |
1908 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1909 | skb, | |
3713b4e3 JB |
1910 | NETLINK_CB(cb->skb).portid, |
1911 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1912 | NLM_F_MULTI, state); |
3713b4e3 JB |
1913 | if (ret < 0) { |
1914 | /* | |
1915 | * If sending the wiphy data didn't fit (ENOBUFS | |
1916 | * or EMSGSIZE returned), this SKB is still | |
1917 | * empty (so it's not too big because another | |
1918 | * wiphy dataset is already in the skb) and | |
1919 | * we've not tried to adjust the dump allocation | |
1920 | * yet ... then adjust the alloc size to be | |
1921 | * bigger, and return 1 but with the empty skb. | |
1922 | * This results in an empty message being RX'ed | |
1923 | * in userspace, but that is ignored. | |
1924 | * | |
1925 | * We can then retry with the larger buffer. | |
1926 | */ | |
1927 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1928 | !skb->len && !state->split && |
3713b4e3 JB |
1929 | cb->min_dump_alloc < 4096) { |
1930 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1931 | state->split_start = 0; |
d98cae64 | 1932 | rtnl_unlock(); |
3713b4e3 JB |
1933 | return 1; |
1934 | } | |
1935 | idx--; | |
1936 | break; | |
645e77de | 1937 | } |
86e8cf98 | 1938 | } while (state->split_start > 0); |
3713b4e3 | 1939 | break; |
55682965 | 1940 | } |
5fe231e8 | 1941 | rtnl_unlock(); |
55682965 | 1942 | |
86e8cf98 | 1943 | state->start = idx; |
55682965 JB |
1944 | |
1945 | return skb->len; | |
1946 | } | |
1947 | ||
86e8cf98 JB |
1948 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1949 | { | |
1950 | kfree((void *)cb->args[0]); | |
1951 | return 0; | |
1952 | } | |
1953 | ||
55682965 JB |
1954 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1955 | { | |
1956 | struct sk_buff *msg; | |
1b8ec87a | 1957 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 1958 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1959 | |
645e77de | 1960 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1961 | if (!msg) |
4c476991 | 1962 | return -ENOMEM; |
55682965 | 1963 | |
3bb20556 JB |
1964 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
1965 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 1966 | &state) < 0) { |
4c476991 JB |
1967 | nlmsg_free(msg); |
1968 | return -ENOBUFS; | |
1969 | } | |
55682965 | 1970 | |
134e6375 | 1971 | return genlmsg_reply(msg, info); |
55682965 JB |
1972 | } |
1973 | ||
31888487 JM |
1974 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1975 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1976 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1977 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1978 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1979 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1980 | }; | |
1981 | ||
1982 | static int parse_txq_params(struct nlattr *tb[], | |
1983 | struct ieee80211_txq_params *txq_params) | |
1984 | { | |
a3304b0a | 1985 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1986 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1987 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1988 | return -EINVAL; | |
1989 | ||
a3304b0a | 1990 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1991 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1992 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1993 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1994 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1995 | ||
a3304b0a JB |
1996 | if (txq_params->ac >= NL80211_NUM_ACS) |
1997 | return -EINVAL; | |
1998 | ||
31888487 JM |
1999 | return 0; |
2000 | } | |
2001 | ||
f444de05 JB |
2002 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
2003 | { | |
2004 | /* | |
cc1d2806 JB |
2005 | * You can only set the channel explicitly for WDS interfaces, |
2006 | * all others have their channel managed via their respective | |
2007 | * "establish a connection" command (connect, join, ...) | |
2008 | * | |
2009 | * For AP/GO and mesh mode, the channel can be set with the | |
2010 | * channel userspace API, but is only stored and passed to the | |
2011 | * low-level driver when the AP starts or the mesh is joined. | |
2012 | * This is for backward compatibility, userspace can also give | |
2013 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
2014 | * |
2015 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
2016 | * whatever else is going on, so they have their own special |
2017 | * operation to set the monitor channel if possible. | |
f444de05 JB |
2018 | */ |
2019 | return !wdev || | |
2020 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 2021 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
2022 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
2023 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
2024 | } |
2025 | ||
683b6d3b JB |
2026 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
2027 | struct genl_info *info, | |
2028 | struct cfg80211_chan_def *chandef) | |
2029 | { | |
dbeca2ea | 2030 | u32 control_freq; |
683b6d3b JB |
2031 | |
2032 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
2033 | return -EINVAL; | |
2034 | ||
2035 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
2036 | ||
2037 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
2038 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
2039 | chandef->center_freq1 = control_freq; | |
2040 | chandef->center_freq2 = 0; | |
683b6d3b JB |
2041 | |
2042 | /* Primary channel not allowed */ | |
2043 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
2044 | return -EINVAL; | |
2045 | ||
3d9d1d66 JB |
2046 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
2047 | enum nl80211_channel_type chantype; | |
2048 | ||
2049 | chantype = nla_get_u32( | |
2050 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
2051 | ||
2052 | switch (chantype) { | |
2053 | case NL80211_CHAN_NO_HT: | |
2054 | case NL80211_CHAN_HT20: | |
2055 | case NL80211_CHAN_HT40PLUS: | |
2056 | case NL80211_CHAN_HT40MINUS: | |
2057 | cfg80211_chandef_create(chandef, chandef->chan, | |
2058 | chantype); | |
2059 | break; | |
2060 | default: | |
2061 | return -EINVAL; | |
2062 | } | |
2063 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
2064 | chandef->width = | |
2065 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
2066 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
2067 | chandef->center_freq1 = | |
2068 | nla_get_u32( | |
2069 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
2070 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
2071 | chandef->center_freq2 = | |
2072 | nla_get_u32( | |
2073 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
2074 | } | |
2075 | ||
9f5e8f6e | 2076 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
2077 | return -EINVAL; |
2078 | ||
9f5e8f6e JB |
2079 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
2080 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
2081 | return -EINVAL; |
2082 | ||
2f301ab2 SW |
2083 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
2084 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
2085 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
2086 | return -EINVAL; | |
2087 | ||
683b6d3b JB |
2088 | return 0; |
2089 | } | |
2090 | ||
f444de05 | 2091 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 2092 | struct net_device *dev, |
f444de05 JB |
2093 | struct genl_info *info) |
2094 | { | |
683b6d3b | 2095 | struct cfg80211_chan_def chandef; |
f444de05 | 2096 | int result; |
e8c9bd5b | 2097 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 2098 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 2099 | |
e16821bc JM |
2100 | if (dev) |
2101 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
2102 | if (!nl80211_can_set_dev_channel(wdev)) |
2103 | return -EOPNOTSUPP; | |
e16821bc JM |
2104 | if (wdev) |
2105 | iftype = wdev->iftype; | |
f444de05 | 2106 | |
683b6d3b JB |
2107 | result = nl80211_parse_chandef(rdev, info, &chandef); |
2108 | if (result) | |
2109 | return result; | |
f444de05 | 2110 | |
e8c9bd5b | 2111 | switch (iftype) { |
aa430da4 JB |
2112 | case NL80211_IFTYPE_AP: |
2113 | case NL80211_IFTYPE_P2P_GO: | |
923b352f AN |
2114 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
2115 | iftype)) { | |
aa430da4 JB |
2116 | result = -EINVAL; |
2117 | break; | |
2118 | } | |
e16821bc JM |
2119 | if (wdev->beacon_interval) { |
2120 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
2121 | !(rdev->wiphy.features & | |
2122 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
2123 | result = -EBUSY; | |
2124 | break; | |
2125 | } | |
2126 | ||
2127 | /* Only allow dynamic channel width changes */ | |
2128 | if (chandef.chan != wdev->preset_chandef.chan) { | |
2129 | result = -EBUSY; | |
2130 | break; | |
2131 | } | |
2132 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
2133 | if (result) | |
2134 | break; | |
2135 | } | |
683b6d3b | 2136 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2137 | result = 0; |
2138 | break; | |
cc1d2806 | 2139 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2140 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2141 | break; |
e8c9bd5b | 2142 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2143 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2144 | break; |
aa430da4 | 2145 | default: |
e8c9bd5b | 2146 | result = -EINVAL; |
f444de05 | 2147 | } |
f444de05 JB |
2148 | |
2149 | return result; | |
2150 | } | |
2151 | ||
2152 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2153 | { | |
4c476991 JB |
2154 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2155 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2156 | |
e16821bc | 2157 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2158 | } |
2159 | ||
e8347eba BJ |
2160 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2161 | { | |
43b19952 JB |
2162 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2163 | struct net_device *dev = info->user_ptr[1]; | |
2164 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2165 | const u8 *bssid; |
e8347eba BJ |
2166 | |
2167 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2168 | return -EINVAL; | |
2169 | ||
43b19952 JB |
2170 | if (netif_running(dev)) |
2171 | return -EBUSY; | |
e8347eba | 2172 | |
43b19952 JB |
2173 | if (!rdev->ops->set_wds_peer) |
2174 | return -EOPNOTSUPP; | |
e8347eba | 2175 | |
43b19952 JB |
2176 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2177 | return -EOPNOTSUPP; | |
e8347eba BJ |
2178 | |
2179 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2180 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2181 | } |
2182 | ||
55682965 JB |
2183 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2184 | { | |
2185 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2186 | struct net_device *netdev = NULL; |
2187 | struct wireless_dev *wdev; | |
a1e567c8 | 2188 | int result = 0, rem_txq_params = 0; |
31888487 | 2189 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2190 | u32 changed; |
2191 | u8 retry_short = 0, retry_long = 0; | |
2192 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2193 | u8 coverage_class = 0; |
55682965 | 2194 | |
5fe231e8 JB |
2195 | ASSERT_RTNL(); |
2196 | ||
f444de05 JB |
2197 | /* |
2198 | * Try to find the wiphy and netdev. Normally this | |
2199 | * function shouldn't need the netdev, but this is | |
2200 | * done for backward compatibility -- previously | |
2201 | * setting the channel was done per wiphy, but now | |
2202 | * it is per netdev. Previous userland like hostapd | |
2203 | * also passed a netdev to set_wiphy, so that it is | |
2204 | * possible to let that go to the right netdev! | |
2205 | */ | |
4bbf4d56 | 2206 | |
f444de05 JB |
2207 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2208 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2209 | ||
7f2b8562 | 2210 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2211 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2212 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2213 | else |
f444de05 | 2214 | netdev = NULL; |
4bbf4d56 JB |
2215 | } |
2216 | ||
f444de05 | 2217 | if (!netdev) { |
878d9ec7 JB |
2218 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2219 | info->attrs); | |
5fe231e8 | 2220 | if (IS_ERR(rdev)) |
4c476991 | 2221 | return PTR_ERR(rdev); |
f444de05 JB |
2222 | wdev = NULL; |
2223 | netdev = NULL; | |
2224 | result = 0; | |
71fe96bf | 2225 | } else |
f444de05 | 2226 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2227 | |
2228 | /* | |
2229 | * end workaround code, by now the rdev is available | |
2230 | * and locked, and wdev may or may not be NULL. | |
2231 | */ | |
4bbf4d56 JB |
2232 | |
2233 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2234 | result = cfg80211_dev_rename( |
2235 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2236 | |
4bbf4d56 | 2237 | if (result) |
7f2b8562 | 2238 | return result; |
31888487 JM |
2239 | |
2240 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2241 | struct ieee80211_txq_params txq_params; | |
2242 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2243 | ||
7f2b8562 YX |
2244 | if (!rdev->ops->set_txq_params) |
2245 | return -EOPNOTSUPP; | |
31888487 | 2246 | |
7f2b8562 YX |
2247 | if (!netdev) |
2248 | return -EINVAL; | |
f70f01c2 | 2249 | |
133a3ff2 | 2250 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2251 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2252 | return -EINVAL; | |
133a3ff2 | 2253 | |
7f2b8562 YX |
2254 | if (!netif_running(netdev)) |
2255 | return -ENETDOWN; | |
2b5f8b0b | 2256 | |
31888487 JM |
2257 | nla_for_each_nested(nl_txq_params, |
2258 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2259 | rem_txq_params) { | |
ae811e21 JB |
2260 | result = nla_parse(tb, NL80211_TXQ_ATTR_MAX, |
2261 | nla_data(nl_txq_params), | |
2262 | nla_len(nl_txq_params), | |
2263 | txq_params_policy); | |
2264 | if (result) | |
2265 | return result; | |
31888487 JM |
2266 | result = parse_txq_params(tb, &txq_params); |
2267 | if (result) | |
7f2b8562 | 2268 | return result; |
31888487 | 2269 | |
e35e4d28 HG |
2270 | result = rdev_set_txq_params(rdev, netdev, |
2271 | &txq_params); | |
31888487 | 2272 | if (result) |
7f2b8562 | 2273 | return result; |
31888487 JM |
2274 | } |
2275 | } | |
55682965 | 2276 | |
72bdcf34 | 2277 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2278 | result = __nl80211_set_channel( |
2279 | rdev, | |
2280 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2281 | info); | |
72bdcf34 | 2282 | if (result) |
7f2b8562 | 2283 | return result; |
72bdcf34 JM |
2284 | } |
2285 | ||
98d2ff8b | 2286 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2287 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2288 | enum nl80211_tx_power_setting type; |
2289 | int idx, mbm = 0; | |
2290 | ||
c8442118 JB |
2291 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2292 | txp_wdev = NULL; | |
2293 | ||
7f2b8562 YX |
2294 | if (!rdev->ops->set_tx_power) |
2295 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2296 | |
2297 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2298 | type = nla_get_u32(info->attrs[idx]); | |
2299 | ||
2300 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2301 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2302 | return -EINVAL; | |
98d2ff8b JO |
2303 | |
2304 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2305 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2306 | mbm = nla_get_u32(info->attrs[idx]); | |
2307 | } | |
2308 | ||
c8442118 | 2309 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2310 | if (result) |
7f2b8562 | 2311 | return result; |
98d2ff8b JO |
2312 | } |
2313 | ||
afe0cbf8 BR |
2314 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2315 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2316 | u32 tx_ant, rx_ant; | |
7a087e74 | 2317 | |
7f531e03 BR |
2318 | if ((!rdev->wiphy.available_antennas_tx && |
2319 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2320 | !rdev->ops->set_antenna) |
2321 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2322 | |
2323 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2324 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2325 | ||
a7ffac95 | 2326 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2327 | * available antenna masks, except for the "all" mask */ |
2328 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2329 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2330 | return -EINVAL; | |
a7ffac95 | 2331 | |
7f531e03 BR |
2332 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2333 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2334 | |
e35e4d28 | 2335 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2336 | if (result) |
7f2b8562 | 2337 | return result; |
afe0cbf8 BR |
2338 | } |
2339 | ||
b9a5f8ca JM |
2340 | changed = 0; |
2341 | ||
2342 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2343 | retry_short = nla_get_u8( | |
2344 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2345 | if (retry_short == 0) |
2346 | return -EINVAL; | |
2347 | ||
b9a5f8ca JM |
2348 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2349 | } | |
2350 | ||
2351 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2352 | retry_long = nla_get_u8( | |
2353 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2354 | if (retry_long == 0) |
2355 | return -EINVAL; | |
2356 | ||
b9a5f8ca JM |
2357 | changed |= WIPHY_PARAM_RETRY_LONG; |
2358 | } | |
2359 | ||
2360 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2361 | frag_threshold = nla_get_u32( | |
2362 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2363 | if (frag_threshold < 256) |
2364 | return -EINVAL; | |
2365 | ||
b9a5f8ca JM |
2366 | if (frag_threshold != (u32) -1) { |
2367 | /* | |
2368 | * Fragments (apart from the last one) are required to | |
2369 | * have even length. Make the fragmentation code | |
2370 | * simpler by stripping LSB should someone try to use | |
2371 | * odd threshold value. | |
2372 | */ | |
2373 | frag_threshold &= ~0x1; | |
2374 | } | |
2375 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2376 | } | |
2377 | ||
2378 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2379 | rts_threshold = nla_get_u32( | |
2380 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2381 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2382 | } | |
2383 | ||
81077e82 | 2384 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2385 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2386 | return -EINVAL; | |
2387 | ||
81077e82 LT |
2388 | coverage_class = nla_get_u8( |
2389 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2390 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2391 | } | |
2392 | ||
3057dbfd LB |
2393 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
2394 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2395 | return -EOPNOTSUPP; | |
2396 | ||
2397 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2398 | } |
2399 | ||
b9a5f8ca JM |
2400 | if (changed) { |
2401 | u8 old_retry_short, old_retry_long; | |
2402 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2403 | u8 old_coverage_class; |
b9a5f8ca | 2404 | |
7f2b8562 YX |
2405 | if (!rdev->ops->set_wiphy_params) |
2406 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2407 | |
2408 | old_retry_short = rdev->wiphy.retry_short; | |
2409 | old_retry_long = rdev->wiphy.retry_long; | |
2410 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2411 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2412 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2413 | |
2414 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2415 | rdev->wiphy.retry_short = retry_short; | |
2416 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2417 | rdev->wiphy.retry_long = retry_long; | |
2418 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2419 | rdev->wiphy.frag_threshold = frag_threshold; | |
2420 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2421 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2422 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2423 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2424 | |
e35e4d28 | 2425 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2426 | if (result) { |
2427 | rdev->wiphy.retry_short = old_retry_short; | |
2428 | rdev->wiphy.retry_long = old_retry_long; | |
2429 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2430 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2431 | rdev->wiphy.coverage_class = old_coverage_class; |
9189ee31 | 2432 | return result; |
b9a5f8ca JM |
2433 | } |
2434 | } | |
7f2b8562 | 2435 | return 0; |
55682965 JB |
2436 | } |
2437 | ||
71bbc994 JB |
2438 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2439 | { | |
2440 | return (u64)wdev->identifier | | |
f26cbf40 | 2441 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2442 | } |
55682965 | 2443 | |
683b6d3b | 2444 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2445 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2446 | { |
601555cd JB |
2447 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
2448 | return -EINVAL; | |
3d9d1d66 | 2449 | |
683b6d3b JB |
2450 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2451 | chandef->chan->center_freq)) | |
2452 | return -ENOBUFS; | |
3d9d1d66 JB |
2453 | switch (chandef->width) { |
2454 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2455 | case NL80211_CHAN_WIDTH_20: | |
2456 | case NL80211_CHAN_WIDTH_40: | |
2457 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2458 | cfg80211_get_chandef_type(chandef))) | |
2459 | return -ENOBUFS; | |
2460 | break; | |
2461 | default: | |
2462 | break; | |
2463 | } | |
2464 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2465 | return -ENOBUFS; | |
2466 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2467 | return -ENOBUFS; | |
2468 | if (chandef->center_freq2 && | |
2469 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2470 | return -ENOBUFS; |
2471 | return 0; | |
2472 | } | |
2473 | ||
15e47304 | 2474 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2475 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2476 | struct wireless_dev *wdev, bool removal) |
55682965 | 2477 | { |
72fb2abc | 2478 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2479 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2480 | void *hdr; |
2481 | ||
8f894be2 TB |
2482 | if (removal) |
2483 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2484 | ||
2485 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2486 | if (!hdr) |
2487 | return -1; | |
2488 | ||
72fb2abc JB |
2489 | if (dev && |
2490 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2491 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2492 | goto nla_put_failure; |
2493 | ||
2494 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2495 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
2dad624e ND |
2496 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
2497 | NL80211_ATTR_PAD) || | |
98104fde | 2498 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2499 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2500 | rdev->devlist_generation ^ | |
2501 | (cfg80211_rdev_list_generation << 2))) | |
2502 | goto nla_put_failure; | |
f5ea9120 | 2503 | |
5b7ccaf3 | 2504 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2505 | int ret; |
2506 | struct cfg80211_chan_def chandef; | |
2507 | ||
2508 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2509 | if (ret == 0) { | |
2510 | if (nl80211_send_chandef(msg, &chandef)) | |
2511 | goto nla_put_failure; | |
2512 | } | |
d91df0e3 PF |
2513 | } |
2514 | ||
d55d0d59 RM |
2515 | if (rdev->ops->get_tx_power) { |
2516 | int dbm, ret; | |
2517 | ||
2518 | ret = rdev_get_tx_power(rdev, wdev, &dbm); | |
2519 | if (ret == 0 && | |
2520 | nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, | |
2521 | DBM_TO_MBM(dbm))) | |
2522 | goto nla_put_failure; | |
2523 | } | |
2524 | ||
b84e7a05 AQ |
2525 | if (wdev->ssid_len) { |
2526 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2527 | goto nla_put_failure; | |
2528 | } | |
2529 | ||
053c095a JB |
2530 | genlmsg_end(msg, hdr); |
2531 | return 0; | |
55682965 JB |
2532 | |
2533 | nla_put_failure: | |
bc3ed28c TG |
2534 | genlmsg_cancel(msg, hdr); |
2535 | return -EMSGSIZE; | |
55682965 JB |
2536 | } |
2537 | ||
2538 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2539 | { | |
2540 | int wp_idx = 0; | |
2541 | int if_idx = 0; | |
2542 | int wp_start = cb->args[0]; | |
2543 | int if_start = cb->args[1]; | |
b7fb44da | 2544 | int filter_wiphy = -1; |
f5ea9120 | 2545 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2546 | struct wireless_dev *wdev; |
2547 | ||
5fe231e8 | 2548 | rtnl_lock(); |
b7fb44da DK |
2549 | if (!cb->args[2]) { |
2550 | struct nl80211_dump_wiphy_state state = { | |
2551 | .filter_wiphy = -1, | |
2552 | }; | |
2553 | int ret; | |
2554 | ||
2555 | ret = nl80211_dump_wiphy_parse(skb, cb, &state); | |
2556 | if (ret) | |
2557 | return ret; | |
2558 | ||
2559 | filter_wiphy = state.filter_wiphy; | |
2560 | ||
2561 | /* | |
2562 | * if filtering, set cb->args[2] to +1 since 0 is the default | |
2563 | * value needed to determine that parsing is necessary. | |
2564 | */ | |
2565 | if (filter_wiphy >= 0) | |
2566 | cb->args[2] = filter_wiphy + 1; | |
2567 | else | |
2568 | cb->args[2] = -1; | |
2569 | } else if (cb->args[2] > 0) { | |
2570 | filter_wiphy = cb->args[2] - 1; | |
2571 | } | |
2572 | ||
f5ea9120 JB |
2573 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2574 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2575 | continue; |
bba95fef JB |
2576 | if (wp_idx < wp_start) { |
2577 | wp_idx++; | |
55682965 | 2578 | continue; |
bba95fef | 2579 | } |
b7fb44da DK |
2580 | |
2581 | if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx) | |
2582 | continue; | |
2583 | ||
55682965 JB |
2584 | if_idx = 0; |
2585 | ||
53873f13 | 2586 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
bba95fef JB |
2587 | if (if_idx < if_start) { |
2588 | if_idx++; | |
55682965 | 2589 | continue; |
bba95fef | 2590 | } |
15e47304 | 2591 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2592 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2593 | rdev, wdev, false) < 0) { |
bba95fef JB |
2594 | goto out; |
2595 | } | |
2596 | if_idx++; | |
55682965 | 2597 | } |
bba95fef JB |
2598 | |
2599 | wp_idx++; | |
55682965 | 2600 | } |
bba95fef | 2601 | out: |
5fe231e8 | 2602 | rtnl_unlock(); |
55682965 JB |
2603 | |
2604 | cb->args[0] = wp_idx; | |
2605 | cb->args[1] = if_idx; | |
2606 | ||
2607 | return skb->len; | |
2608 | } | |
2609 | ||
2610 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2611 | { | |
2612 | struct sk_buff *msg; | |
1b8ec87a | 2613 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2614 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2615 | |
fd2120ca | 2616 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2617 | if (!msg) |
4c476991 | 2618 | return -ENOMEM; |
55682965 | 2619 | |
15e47304 | 2620 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2621 | rdev, wdev, false) < 0) { |
4c476991 JB |
2622 | nlmsg_free(msg); |
2623 | return -ENOBUFS; | |
2624 | } | |
55682965 | 2625 | |
134e6375 | 2626 | return genlmsg_reply(msg, info); |
55682965 JB |
2627 | } |
2628 | ||
66f7ac50 MW |
2629 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2630 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2631 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2632 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2633 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2634 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2635 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2636 | }; |
2637 | ||
2638 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2639 | { | |
2640 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2641 | int flag; | |
2642 | ||
2643 | *mntrflags = 0; | |
2644 | ||
2645 | if (!nla) | |
2646 | return -EINVAL; | |
2647 | ||
2648 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2649 | nla, mntr_flags_policy)) | |
2650 | return -EINVAL; | |
2651 | ||
2652 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2653 | if (flags[flag]) | |
2654 | *mntrflags |= (1<<flag); | |
2655 | ||
2656 | return 0; | |
2657 | } | |
2658 | ||
9bc383de | 2659 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2660 | struct net_device *netdev, u8 use_4addr, |
2661 | enum nl80211_iftype iftype) | |
9bc383de | 2662 | { |
ad4bb6f8 | 2663 | if (!use_4addr) { |
f350a0a8 | 2664 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2665 | return -EBUSY; |
9bc383de | 2666 | return 0; |
ad4bb6f8 | 2667 | } |
9bc383de JB |
2668 | |
2669 | switch (iftype) { | |
2670 | case NL80211_IFTYPE_AP_VLAN: | |
2671 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2672 | return 0; | |
2673 | break; | |
2674 | case NL80211_IFTYPE_STATION: | |
2675 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2676 | return 0; | |
2677 | break; | |
2678 | default: | |
2679 | break; | |
2680 | } | |
2681 | ||
2682 | return -EOPNOTSUPP; | |
2683 | } | |
2684 | ||
55682965 JB |
2685 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2686 | { | |
4c476991 | 2687 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2688 | struct vif_params params; |
e36d56b6 | 2689 | int err; |
04a773ad | 2690 | enum nl80211_iftype otype, ntype; |
4c476991 | 2691 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2692 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2693 | bool change = false; |
55682965 | 2694 | |
2ec600d6 LCC |
2695 | memset(¶ms, 0, sizeof(params)); |
2696 | ||
04a773ad | 2697 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2698 | |
723b038d | 2699 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2700 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2701 | if (otype != ntype) |
ac7f9cfa | 2702 | change = true; |
4c476991 JB |
2703 | if (ntype > NL80211_IFTYPE_MAX) |
2704 | return -EINVAL; | |
723b038d JB |
2705 | } |
2706 | ||
92ffe055 | 2707 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2708 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2709 | ||
4c476991 JB |
2710 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2711 | return -EINVAL; | |
29cbe68c JB |
2712 | if (netif_running(dev)) |
2713 | return -EBUSY; | |
2714 | ||
2715 | wdev_lock(wdev); | |
2716 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2717 | IEEE80211_MAX_MESH_ID_LEN); | |
2718 | wdev->mesh_id_up_len = | |
2719 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2720 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2721 | wdev->mesh_id_up_len); | |
2722 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2723 | } |
2724 | ||
8b787643 FF |
2725 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2726 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2727 | change = true; | |
ad4bb6f8 | 2728 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2729 | if (err) |
4c476991 | 2730 | return err; |
8b787643 FF |
2731 | } else { |
2732 | params.use_4addr = -1; | |
2733 | } | |
2734 | ||
92ffe055 | 2735 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2736 | if (ntype != NL80211_IFTYPE_MONITOR) |
2737 | return -EINVAL; | |
92ffe055 JB |
2738 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2739 | &_flags); | |
ac7f9cfa | 2740 | if (err) |
4c476991 | 2741 | return err; |
ac7f9cfa JB |
2742 | |
2743 | flags = &_flags; | |
2744 | change = true; | |
92ffe055 | 2745 | } |
3b85875a | 2746 | |
c6e6a0c8 AE |
2747 | if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) { |
2748 | const u8 *mumimo_groups; | |
2749 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2750 | ||
2751 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2752 | return -EOPNOTSUPP; | |
2753 | ||
2754 | mumimo_groups = | |
2755 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]); | |
2756 | ||
2757 | /* bits 0 and 63 are reserved and must be zero */ | |
2758 | if ((mumimo_groups[0] & BIT(7)) || | |
2759 | (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(0))) | |
2760 | return -EINVAL; | |
2761 | ||
2762 | memcpy(params.vht_mumimo_groups, mumimo_groups, | |
2763 | VHT_MUMIMO_GROUPS_DATA_LEN); | |
2764 | change = true; | |
2765 | } | |
2766 | ||
2767 | if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) { | |
2768 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2769 | ||
2770 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2771 | return -EOPNOTSUPP; | |
2772 | ||
2773 | nla_memcpy(params.macaddr, | |
2774 | info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR], | |
2775 | ETH_ALEN); | |
2776 | change = true; | |
2777 | } | |
2778 | ||
18003297 | 2779 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2780 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2781 | return -EOPNOTSUPP; | |
2782 | ||
ac7f9cfa | 2783 | if (change) |
3d54d255 | 2784 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2785 | else |
2786 | err = 0; | |
60719ffd | 2787 | |
9bc383de JB |
2788 | if (!err && params.use_4addr != -1) |
2789 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2790 | ||
55682965 JB |
2791 | return err; |
2792 | } | |
2793 | ||
2794 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2795 | { | |
4c476991 | 2796 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2797 | struct vif_params params; |
84efbb84 | 2798 | struct wireless_dev *wdev; |
896ff063 | 2799 | struct sk_buff *msg; |
55682965 JB |
2800 | int err; |
2801 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2802 | u32 flags; |
55682965 | 2803 | |
78f22b6a JB |
2804 | /* to avoid failing a new interface creation due to pending removal */ |
2805 | cfg80211_destroy_ifaces(rdev); | |
2806 | ||
2ec600d6 LCC |
2807 | memset(¶ms, 0, sizeof(params)); |
2808 | ||
55682965 JB |
2809 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2810 | return -EINVAL; | |
2811 | ||
2812 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2813 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2814 | if (type > NL80211_IFTYPE_MAX) | |
2815 | return -EINVAL; | |
2816 | } | |
2817 | ||
79c97e97 | 2818 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2819 | !(rdev->wiphy.interface_modes & (1 << type))) |
2820 | return -EOPNOTSUPP; | |
55682965 | 2821 | |
e8f479b1 BG |
2822 | if ((type == NL80211_IFTYPE_P2P_DEVICE || |
2823 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && | |
2824 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
2825 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
2826 | ETH_ALEN); | |
2827 | if (!is_valid_ether_addr(params.macaddr)) | |
2828 | return -EADDRNOTAVAIL; | |
2829 | } | |
2830 | ||
9bc383de | 2831 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2832 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2833 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2834 | if (err) |
4c476991 | 2835 | return err; |
9bc383de | 2836 | } |
8b787643 | 2837 | |
66f7ac50 MW |
2838 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2839 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2840 | &flags); | |
e057d3c3 | 2841 | |
18003297 | 2842 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2843 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2844 | return -EOPNOTSUPP; | |
2845 | ||
a18c7192 JB |
2846 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2847 | if (!msg) | |
2848 | return -ENOMEM; | |
2849 | ||
e35e4d28 HG |
2850 | wdev = rdev_add_virtual_intf(rdev, |
2851 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
6bab2e19 TG |
2852 | NET_NAME_USER, type, err ? NULL : &flags, |
2853 | ¶ms); | |
d687cbb7 RM |
2854 | if (WARN_ON(!wdev)) { |
2855 | nlmsg_free(msg); | |
2856 | return -EPROTO; | |
2857 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 2858 | nlmsg_free(msg); |
84efbb84 | 2859 | return PTR_ERR(wdev); |
1c90f9d4 | 2860 | } |
2ec600d6 | 2861 | |
18e5ca65 | 2862 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
2863 | wdev->owner_nlportid = info->snd_portid; |
2864 | ||
98104fde JB |
2865 | switch (type) { |
2866 | case NL80211_IFTYPE_MESH_POINT: | |
2867 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2868 | break; | |
29cbe68c JB |
2869 | wdev_lock(wdev); |
2870 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2871 | IEEE80211_MAX_MESH_ID_LEN); | |
2872 | wdev->mesh_id_up_len = | |
2873 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2874 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2875 | wdev->mesh_id_up_len); | |
2876 | wdev_unlock(wdev); | |
98104fde JB |
2877 | break; |
2878 | case NL80211_IFTYPE_P2P_DEVICE: | |
2879 | /* | |
2880 | * P2P Device doesn't have a netdev, so doesn't go | |
2881 | * through the netdev notifier and must be added here | |
2882 | */ | |
2883 | mutex_init(&wdev->mtx); | |
2884 | INIT_LIST_HEAD(&wdev->event_list); | |
2885 | spin_lock_init(&wdev->event_lock); | |
2886 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2887 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2888 | ||
98104fde | 2889 | wdev->identifier = ++rdev->wdev_id; |
53873f13 | 2890 | list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list); |
98104fde | 2891 | rdev->devlist_generation++; |
98104fde JB |
2892 | break; |
2893 | default: | |
2894 | break; | |
29cbe68c JB |
2895 | } |
2896 | ||
15e47304 | 2897 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2898 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
2899 | nlmsg_free(msg); |
2900 | return -ENOBUFS; | |
2901 | } | |
2902 | ||
896ff063 DK |
2903 | /* |
2904 | * For wdevs which have no associated netdev object (e.g. of type | |
2905 | * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here. | |
2906 | * For all other types, the event will be generated from the | |
2907 | * netdev notifier | |
2908 | */ | |
2909 | if (!wdev->netdev) | |
2910 | nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); | |
8f894be2 | 2911 | |
1c90f9d4 | 2912 | return genlmsg_reply(msg, info); |
55682965 JB |
2913 | } |
2914 | ||
2915 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2916 | { | |
4c476991 | 2917 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2918 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2919 | |
4c476991 JB |
2920 | if (!rdev->ops->del_virtual_intf) |
2921 | return -EOPNOTSUPP; | |
55682965 | 2922 | |
84efbb84 JB |
2923 | /* |
2924 | * If we remove a wireless device without a netdev then clear | |
2925 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2926 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2927 | * since the wdev has been freed, unlike with a netdev where | |
2928 | * we need the dev_put() for the netdev to really be freed. | |
2929 | */ | |
2930 | if (!wdev->netdev) | |
2931 | info->user_ptr[1] = NULL; | |
2932 | ||
7f8ed01e | 2933 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2934 | } |
2935 | ||
1d9d9213 SW |
2936 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2937 | { | |
2938 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2939 | struct net_device *dev = info->user_ptr[1]; | |
2940 | u16 noack_map; | |
2941 | ||
2942 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2943 | return -EINVAL; | |
2944 | ||
2945 | if (!rdev->ops->set_noack_map) | |
2946 | return -EOPNOTSUPP; | |
2947 | ||
2948 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2949 | ||
e35e4d28 | 2950 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2951 | } |
2952 | ||
41ade00f JB |
2953 | struct get_key_cookie { |
2954 | struct sk_buff *msg; | |
2955 | int error; | |
b9454e83 | 2956 | int idx; |
41ade00f JB |
2957 | }; |
2958 | ||
2959 | static void get_key_callback(void *c, struct key_params *params) | |
2960 | { | |
b9454e83 | 2961 | struct nlattr *key; |
41ade00f JB |
2962 | struct get_key_cookie *cookie = c; |
2963 | ||
9360ffd1 DM |
2964 | if ((params->key && |
2965 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2966 | params->key_len, params->key)) || | |
2967 | (params->seq && | |
2968 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2969 | params->seq_len, params->seq)) || | |
2970 | (params->cipher && | |
2971 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2972 | params->cipher))) | |
2973 | goto nla_put_failure; | |
41ade00f | 2974 | |
b9454e83 JB |
2975 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2976 | if (!key) | |
2977 | goto nla_put_failure; | |
2978 | ||
9360ffd1 DM |
2979 | if ((params->key && |
2980 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2981 | params->key_len, params->key)) || | |
2982 | (params->seq && | |
2983 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2984 | params->seq_len, params->seq)) || | |
2985 | (params->cipher && | |
2986 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2987 | params->cipher))) | |
2988 | goto nla_put_failure; | |
b9454e83 | 2989 | |
9360ffd1 DM |
2990 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2991 | goto nla_put_failure; | |
b9454e83 JB |
2992 | |
2993 | nla_nest_end(cookie->msg, key); | |
2994 | ||
41ade00f JB |
2995 | return; |
2996 | nla_put_failure: | |
2997 | cookie->error = 1; | |
2998 | } | |
2999 | ||
3000 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
3001 | { | |
4c476991 | 3002 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3003 | int err; |
4c476991 | 3004 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3005 | u8 key_idx = 0; |
e31b8213 JB |
3006 | const u8 *mac_addr = NULL; |
3007 | bool pairwise; | |
41ade00f JB |
3008 | struct get_key_cookie cookie = { |
3009 | .error = 0, | |
3010 | }; | |
3011 | void *hdr; | |
3012 | struct sk_buff *msg; | |
3013 | ||
3014 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
3015 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
3016 | ||
3cfcf6ac | 3017 | if (key_idx > 5) |
41ade00f JB |
3018 | return -EINVAL; |
3019 | ||
3020 | if (info->attrs[NL80211_ATTR_MAC]) | |
3021 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3022 | ||
e31b8213 JB |
3023 | pairwise = !!mac_addr; |
3024 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
3025 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
7a087e74 | 3026 | |
e31b8213 JB |
3027 | if (kt >= NUM_NL80211_KEYTYPES) |
3028 | return -EINVAL; | |
3029 | if (kt != NL80211_KEYTYPE_GROUP && | |
3030 | kt != NL80211_KEYTYPE_PAIRWISE) | |
3031 | return -EINVAL; | |
3032 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
3033 | } | |
3034 | ||
4c476991 JB |
3035 | if (!rdev->ops->get_key) |
3036 | return -EOPNOTSUPP; | |
41ade00f | 3037 | |
0fa7b391 JB |
3038 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3039 | return -ENOENT; | |
3040 | ||
fd2120ca | 3041 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3042 | if (!msg) |
3043 | return -ENOMEM; | |
41ade00f | 3044 | |
15e47304 | 3045 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 3046 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 3047 | if (!hdr) |
9fe271af | 3048 | goto nla_put_failure; |
41ade00f JB |
3049 | |
3050 | cookie.msg = msg; | |
b9454e83 | 3051 | cookie.idx = key_idx; |
41ade00f | 3052 | |
9360ffd1 DM |
3053 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3054 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
3055 | goto nla_put_failure; | |
3056 | if (mac_addr && | |
3057 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
3058 | goto nla_put_failure; | |
41ade00f | 3059 | |
e35e4d28 HG |
3060 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
3061 | get_key_callback); | |
41ade00f JB |
3062 | |
3063 | if (err) | |
6c95e2a2 | 3064 | goto free_msg; |
41ade00f JB |
3065 | |
3066 | if (cookie.error) | |
3067 | goto nla_put_failure; | |
3068 | ||
3069 | genlmsg_end(msg, hdr); | |
4c476991 | 3070 | return genlmsg_reply(msg, info); |
41ade00f JB |
3071 | |
3072 | nla_put_failure: | |
3073 | err = -ENOBUFS; | |
6c95e2a2 | 3074 | free_msg: |
41ade00f | 3075 | nlmsg_free(msg); |
41ade00f JB |
3076 | return err; |
3077 | } | |
3078 | ||
3079 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
3080 | { | |
4c476991 | 3081 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 3082 | struct key_parse key; |
41ade00f | 3083 | int err; |
4c476991 | 3084 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3085 | |
b9454e83 JB |
3086 | err = nl80211_parse_key(info, &key); |
3087 | if (err) | |
3088 | return err; | |
41ade00f | 3089 | |
b9454e83 | 3090 | if (key.idx < 0) |
41ade00f JB |
3091 | return -EINVAL; |
3092 | ||
b9454e83 JB |
3093 | /* only support setting default key */ |
3094 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
3095 | return -EINVAL; |
3096 | ||
dbd2fd65 | 3097 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 3098 | |
dbd2fd65 JB |
3099 | if (key.def) { |
3100 | if (!rdev->ops->set_default_key) { | |
3101 | err = -EOPNOTSUPP; | |
3102 | goto out; | |
3103 | } | |
41ade00f | 3104 | |
dbd2fd65 JB |
3105 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
3106 | if (err) | |
3107 | goto out; | |
3108 | ||
e35e4d28 | 3109 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
3110 | key.def_uni, key.def_multi); |
3111 | ||
3112 | if (err) | |
3113 | goto out; | |
fffd0934 | 3114 | |
3d23e349 | 3115 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
3116 | dev->ieee80211_ptr->wext.default_key = key.idx; |
3117 | #endif | |
3118 | } else { | |
3119 | if (key.def_uni || !key.def_multi) { | |
3120 | err = -EINVAL; | |
3121 | goto out; | |
3122 | } | |
3123 | ||
3124 | if (!rdev->ops->set_default_mgmt_key) { | |
3125 | err = -EOPNOTSUPP; | |
3126 | goto out; | |
3127 | } | |
3128 | ||
3129 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3130 | if (err) | |
3131 | goto out; | |
3132 | ||
e35e4d28 | 3133 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
3134 | if (err) |
3135 | goto out; | |
3136 | ||
3137 | #ifdef CONFIG_CFG80211_WEXT | |
3138 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 3139 | #endif |
dbd2fd65 JB |
3140 | } |
3141 | ||
3142 | out: | |
fffd0934 | 3143 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3144 | |
41ade00f JB |
3145 | return err; |
3146 | } | |
3147 | ||
3148 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
3149 | { | |
4c476991 | 3150 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 3151 | int err; |
4c476991 | 3152 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 3153 | struct key_parse key; |
e31b8213 | 3154 | const u8 *mac_addr = NULL; |
41ade00f | 3155 | |
b9454e83 JB |
3156 | err = nl80211_parse_key(info, &key); |
3157 | if (err) | |
3158 | return err; | |
41ade00f | 3159 | |
b9454e83 | 3160 | if (!key.p.key) |
41ade00f JB |
3161 | return -EINVAL; |
3162 | ||
41ade00f JB |
3163 | if (info->attrs[NL80211_ATTR_MAC]) |
3164 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3165 | ||
e31b8213 JB |
3166 | if (key.type == -1) { |
3167 | if (mac_addr) | |
3168 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3169 | else | |
3170 | key.type = NL80211_KEYTYPE_GROUP; | |
3171 | } | |
3172 | ||
3173 | /* for now */ | |
3174 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3175 | key.type != NL80211_KEYTYPE_GROUP) | |
3176 | return -EINVAL; | |
3177 | ||
4c476991 JB |
3178 | if (!rdev->ops->add_key) |
3179 | return -EOPNOTSUPP; | |
25e47c18 | 3180 | |
e31b8213 JB |
3181 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3182 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3183 | mac_addr)) | |
4c476991 | 3184 | return -EINVAL; |
41ade00f | 3185 | |
fffd0934 JB |
3186 | wdev_lock(dev->ieee80211_ptr); |
3187 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3188 | if (!err) | |
e35e4d28 HG |
3189 | err = rdev_add_key(rdev, dev, key.idx, |
3190 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3191 | mac_addr, &key.p); | |
fffd0934 | 3192 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3193 | |
41ade00f JB |
3194 | return err; |
3195 | } | |
3196 | ||
3197 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3198 | { | |
4c476991 | 3199 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3200 | int err; |
4c476991 | 3201 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3202 | u8 *mac_addr = NULL; |
b9454e83 | 3203 | struct key_parse key; |
41ade00f | 3204 | |
b9454e83 JB |
3205 | err = nl80211_parse_key(info, &key); |
3206 | if (err) | |
3207 | return err; | |
41ade00f JB |
3208 | |
3209 | if (info->attrs[NL80211_ATTR_MAC]) | |
3210 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3211 | ||
e31b8213 JB |
3212 | if (key.type == -1) { |
3213 | if (mac_addr) | |
3214 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3215 | else | |
3216 | key.type = NL80211_KEYTYPE_GROUP; | |
3217 | } | |
3218 | ||
3219 | /* for now */ | |
3220 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3221 | key.type != NL80211_KEYTYPE_GROUP) | |
3222 | return -EINVAL; | |
3223 | ||
4c476991 JB |
3224 | if (!rdev->ops->del_key) |
3225 | return -EOPNOTSUPP; | |
41ade00f | 3226 | |
fffd0934 JB |
3227 | wdev_lock(dev->ieee80211_ptr); |
3228 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 | 3229 | |
0fa7b391 | 3230 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
e31b8213 JB |
3231 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3232 | err = -ENOENT; | |
3233 | ||
fffd0934 | 3234 | if (!err) |
e35e4d28 HG |
3235 | err = rdev_del_key(rdev, dev, key.idx, |
3236 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3237 | mac_addr); | |
41ade00f | 3238 | |
3d23e349 | 3239 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3240 | if (!err) { |
b9454e83 | 3241 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3242 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3243 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3244 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3245 | } | |
3246 | #endif | |
fffd0934 | 3247 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3248 | |
41ade00f JB |
3249 | return err; |
3250 | } | |
3251 | ||
77765eaf VT |
3252 | /* This function returns an error or the number of nested attributes */ |
3253 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3254 | { | |
3255 | struct nlattr *attr; | |
3256 | int n_entries = 0, tmp; | |
3257 | ||
3258 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3259 | if (nla_len(attr) != ETH_ALEN) | |
3260 | return -EINVAL; | |
3261 | ||
3262 | n_entries++; | |
3263 | } | |
3264 | ||
3265 | return n_entries; | |
3266 | } | |
3267 | ||
3268 | /* | |
3269 | * This function parses ACL information and allocates memory for ACL data. | |
3270 | * On successful return, the calling function is responsible to free the | |
3271 | * ACL buffer returned by this function. | |
3272 | */ | |
3273 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3274 | struct genl_info *info) | |
3275 | { | |
3276 | enum nl80211_acl_policy acl_policy; | |
3277 | struct nlattr *attr; | |
3278 | struct cfg80211_acl_data *acl; | |
3279 | int i = 0, n_entries, tmp; | |
3280 | ||
3281 | if (!wiphy->max_acl_mac_addrs) | |
3282 | return ERR_PTR(-EOPNOTSUPP); | |
3283 | ||
3284 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3285 | return ERR_PTR(-EINVAL); | |
3286 | ||
3287 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3288 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3289 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3290 | return ERR_PTR(-EINVAL); | |
3291 | ||
3292 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3293 | return ERR_PTR(-EINVAL); | |
3294 | ||
3295 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3296 | if (n_entries < 0) | |
3297 | return ERR_PTR(n_entries); | |
3298 | ||
3299 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3300 | return ERR_PTR(-ENOTSUPP); | |
3301 | ||
3302 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3303 | GFP_KERNEL); | |
3304 | if (!acl) | |
3305 | return ERR_PTR(-ENOMEM); | |
3306 | ||
3307 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3308 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3309 | i++; | |
3310 | } | |
3311 | ||
3312 | acl->n_acl_entries = n_entries; | |
3313 | acl->acl_policy = acl_policy; | |
3314 | ||
3315 | return acl; | |
3316 | } | |
3317 | ||
3318 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3319 | { | |
3320 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3321 | struct net_device *dev = info->user_ptr[1]; | |
3322 | struct cfg80211_acl_data *acl; | |
3323 | int err; | |
3324 | ||
3325 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3326 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3327 | return -EOPNOTSUPP; | |
3328 | ||
3329 | if (!dev->ieee80211_ptr->beacon_interval) | |
3330 | return -EINVAL; | |
3331 | ||
3332 | acl = parse_acl_data(&rdev->wiphy, info); | |
3333 | if (IS_ERR(acl)) | |
3334 | return PTR_ERR(acl); | |
3335 | ||
3336 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3337 | ||
3338 | kfree(acl); | |
3339 | ||
3340 | return err; | |
3341 | } | |
3342 | ||
a1193be8 | 3343 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3344 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3345 | { |
8860020e | 3346 | bool haveinfo = false; |
ed1b6cc7 | 3347 | |
a1193be8 SW |
3348 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3349 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3350 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3351 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3352 | return -EINVAL; |
3353 | ||
8860020e | 3354 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3355 | |
a1193be8 SW |
3356 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3357 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3358 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3359 | if (!bcn->head_len) |
3360 | return -EINVAL; | |
3361 | haveinfo = true; | |
ed1b6cc7 JB |
3362 | } |
3363 | ||
a1193be8 SW |
3364 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3365 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3366 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3367 | haveinfo = true; |
ed1b6cc7 JB |
3368 | } |
3369 | ||
4c476991 JB |
3370 | if (!haveinfo) |
3371 | return -EINVAL; | |
3b85875a | 3372 | |
a1193be8 SW |
3373 | if (attrs[NL80211_ATTR_IE]) { |
3374 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3375 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3376 | } |
3377 | ||
a1193be8 | 3378 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3379 | bcn->proberesp_ies = |
a1193be8 | 3380 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3381 | bcn->proberesp_ies_len = |
a1193be8 | 3382 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3383 | } |
3384 | ||
a1193be8 | 3385 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3386 | bcn->assocresp_ies = |
a1193be8 | 3387 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3388 | bcn->assocresp_ies_len = |
a1193be8 | 3389 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3390 | } |
3391 | ||
a1193be8 SW |
3392 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3393 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3394 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3395 | } |
3396 | ||
8860020e JB |
3397 | return 0; |
3398 | } | |
3399 | ||
46c1dd0c FF |
3400 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3401 | struct cfg80211_ap_settings *params) | |
3402 | { | |
3403 | struct wireless_dev *wdev; | |
3404 | bool ret = false; | |
3405 | ||
53873f13 | 3406 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
46c1dd0c FF |
3407 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3408 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3409 | continue; | |
3410 | ||
683b6d3b | 3411 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3412 | continue; |
3413 | ||
683b6d3b | 3414 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3415 | ret = true; |
3416 | break; | |
3417 | } | |
3418 | ||
46c1dd0c FF |
3419 | return ret; |
3420 | } | |
3421 | ||
e39e5b5e JM |
3422 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3423 | enum nl80211_auth_type auth_type, | |
3424 | enum nl80211_commands cmd) | |
3425 | { | |
3426 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3427 | return false; | |
3428 | ||
3429 | switch (cmd) { | |
3430 | case NL80211_CMD_AUTHENTICATE: | |
3431 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3432 | auth_type == NL80211_AUTHTYPE_SAE) | |
3433 | return false; | |
3434 | return true; | |
3435 | case NL80211_CMD_CONNECT: | |
3436 | case NL80211_CMD_START_AP: | |
3437 | /* SAE not supported yet */ | |
3438 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3439 | return false; | |
3440 | return true; | |
3441 | default: | |
3442 | return false; | |
3443 | } | |
3444 | } | |
3445 | ||
8860020e JB |
3446 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3447 | { | |
3448 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3449 | struct net_device *dev = info->user_ptr[1]; | |
3450 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3451 | struct cfg80211_ap_settings params; | |
3452 | int err; | |
3453 | ||
3454 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3455 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3456 | return -EOPNOTSUPP; | |
3457 | ||
3458 | if (!rdev->ops->start_ap) | |
3459 | return -EOPNOTSUPP; | |
3460 | ||
3461 | if (wdev->beacon_interval) | |
3462 | return -EALREADY; | |
3463 | ||
3464 | memset(¶ms, 0, sizeof(params)); | |
3465 | ||
3466 | /* these are required for START_AP */ | |
3467 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3468 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3469 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3470 | return -EINVAL; | |
3471 | ||
a1193be8 | 3472 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3473 | if (err) |
3474 | return err; | |
3475 | ||
3476 | params.beacon_interval = | |
3477 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3478 | params.dtim_period = | |
3479 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3480 | ||
3481 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3482 | if (err) | |
3483 | return err; | |
3484 | ||
3485 | /* | |
3486 | * In theory, some of these attributes should be required here | |
3487 | * but since they were not used when the command was originally | |
3488 | * added, keep them optional for old user space programs to let | |
3489 | * them continue to work with drivers that do not need the | |
3490 | * additional information -- drivers must check! | |
3491 | */ | |
3492 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3493 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3494 | params.ssid_len = | |
3495 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3496 | if (params.ssid_len == 0 || | |
3497 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3498 | return -EINVAL; | |
3499 | } | |
3500 | ||
3501 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3502 | params.hidden_ssid = nla_get_u32( | |
3503 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3504 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3505 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3506 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3507 | return -EINVAL; | |
3508 | } | |
3509 | ||
3510 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3511 | ||
3512 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3513 | params.auth_type = nla_get_u32( | |
3514 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3515 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3516 | NL80211_CMD_START_AP)) | |
8860020e JB |
3517 | return -EINVAL; |
3518 | } else | |
3519 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3520 | ||
3521 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3522 | NL80211_MAX_NR_CIPHER_SUITES); | |
3523 | if (err) | |
3524 | return err; | |
3525 | ||
1b658f11 VT |
3526 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3527 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3528 | return -EOPNOTSUPP; | |
3529 | params.inactivity_timeout = nla_get_u16( | |
3530 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3531 | } | |
3532 | ||
53cabad7 JB |
3533 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3534 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3535 | return -EINVAL; | |
3536 | params.p2p_ctwindow = | |
3537 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3538 | if (params.p2p_ctwindow > 127) | |
3539 | return -EINVAL; | |
3540 | if (params.p2p_ctwindow != 0 && | |
3541 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3542 | return -EINVAL; | |
3543 | } | |
3544 | ||
3545 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3546 | u8 tmp; | |
3547 | ||
3548 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3549 | return -EINVAL; | |
3550 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3551 | if (tmp > 1) | |
3552 | return -EINVAL; | |
3553 | params.p2p_opp_ps = tmp; | |
3554 | if (params.p2p_opp_ps != 0 && | |
3555 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3556 | return -EINVAL; | |
3557 | } | |
3558 | ||
aa430da4 | 3559 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3560 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3561 | if (err) | |
3562 | return err; | |
3563 | } else if (wdev->preset_chandef.chan) { | |
3564 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3565 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3566 | return -EINVAL; |
3567 | ||
923b352f AN |
3568 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
3569 | wdev->iftype)) | |
aa430da4 JB |
3570 | return -EINVAL; |
3571 | ||
18998c38 EP |
3572 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
3573 | params.smps_mode = | |
3574 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
3575 | switch (params.smps_mode) { | |
3576 | case NL80211_SMPS_OFF: | |
3577 | break; | |
3578 | case NL80211_SMPS_STATIC: | |
3579 | if (!(rdev->wiphy.features & | |
3580 | NL80211_FEATURE_STATIC_SMPS)) | |
3581 | return -EINVAL; | |
3582 | break; | |
3583 | case NL80211_SMPS_DYNAMIC: | |
3584 | if (!(rdev->wiphy.features & | |
3585 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
3586 | return -EINVAL; | |
3587 | break; | |
3588 | default: | |
3589 | return -EINVAL; | |
3590 | } | |
3591 | } else { | |
3592 | params.smps_mode = NL80211_SMPS_OFF; | |
3593 | } | |
3594 | ||
6e8ef842 PK |
3595 | params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
3596 | if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) | |
3597 | return -EOPNOTSUPP; | |
3598 | ||
4baf6bea OO |
3599 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3600 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3601 | if (IS_ERR(params.acl)) | |
3602 | return PTR_ERR(params.acl); | |
3603 | } | |
3604 | ||
c56589ed | 3605 | wdev_lock(wdev); |
e35e4d28 | 3606 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3607 | if (!err) { |
683b6d3b | 3608 | wdev->preset_chandef = params.chandef; |
8860020e | 3609 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 3610 | wdev->chandef = params.chandef; |
06e191e2 AQ |
3611 | wdev->ssid_len = params.ssid_len; |
3612 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3613 | } |
c56589ed | 3614 | wdev_unlock(wdev); |
77765eaf VT |
3615 | |
3616 | kfree(params.acl); | |
3617 | ||
56d1893d | 3618 | return err; |
ed1b6cc7 JB |
3619 | } |
3620 | ||
8860020e JB |
3621 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3622 | { | |
3623 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3624 | struct net_device *dev = info->user_ptr[1]; | |
3625 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3626 | struct cfg80211_beacon_data params; | |
3627 | int err; | |
3628 | ||
3629 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3630 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3631 | return -EOPNOTSUPP; | |
3632 | ||
3633 | if (!rdev->ops->change_beacon) | |
3634 | return -EOPNOTSUPP; | |
3635 | ||
3636 | if (!wdev->beacon_interval) | |
3637 | return -EINVAL; | |
3638 | ||
a1193be8 | 3639 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3640 | if (err) |
3641 | return err; | |
3642 | ||
c56589ed SW |
3643 | wdev_lock(wdev); |
3644 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3645 | wdev_unlock(wdev); | |
3646 | ||
3647 | return err; | |
8860020e JB |
3648 | } |
3649 | ||
3650 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3651 | { |
4c476991 JB |
3652 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3653 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3654 | |
7c8d5e03 | 3655 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
3656 | } |
3657 | ||
5727ef1b JB |
3658 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3659 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3660 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3661 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3662 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3663 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3664 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3665 | }; |
3666 | ||
eccb8e8f | 3667 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3668 | enum nl80211_iftype iftype, |
eccb8e8f | 3669 | struct station_parameters *params) |
5727ef1b JB |
3670 | { |
3671 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3672 | struct nlattr *nla; |
5727ef1b JB |
3673 | int flag; |
3674 | ||
eccb8e8f JB |
3675 | /* |
3676 | * Try parsing the new attribute first so userspace | |
3677 | * can specify both for older kernels. | |
3678 | */ | |
3679 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3680 | if (nla) { | |
3681 | struct nl80211_sta_flag_update *sta_flags; | |
3682 | ||
3683 | sta_flags = nla_data(nla); | |
3684 | params->sta_flags_mask = sta_flags->mask; | |
3685 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3686 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3687 | if ((params->sta_flags_mask | |
3688 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3689 | return -EINVAL; | |
3690 | return 0; | |
3691 | } | |
3692 | ||
3693 | /* if present, parse the old attribute */ | |
5727ef1b | 3694 | |
eccb8e8f | 3695 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3696 | if (!nla) |
3697 | return 0; | |
3698 | ||
3699 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3700 | nla, sta_flags_policy)) | |
3701 | return -EINVAL; | |
3702 | ||
bdd3ae3d JB |
3703 | /* |
3704 | * Only allow certain flags for interface types so that | |
3705 | * other attributes are silently ignored. Remember that | |
3706 | * this is backward compatibility code with old userspace | |
3707 | * and shouldn't be hit in other cases anyway. | |
3708 | */ | |
3709 | switch (iftype) { | |
3710 | case NL80211_IFTYPE_AP: | |
3711 | case NL80211_IFTYPE_AP_VLAN: | |
3712 | case NL80211_IFTYPE_P2P_GO: | |
3713 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3714 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3715 | BIT(NL80211_STA_FLAG_WME) | | |
3716 | BIT(NL80211_STA_FLAG_MFP); | |
3717 | break; | |
3718 | case NL80211_IFTYPE_P2P_CLIENT: | |
3719 | case NL80211_IFTYPE_STATION: | |
3720 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3721 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3722 | break; | |
3723 | case NL80211_IFTYPE_MESH_POINT: | |
3724 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3725 | BIT(NL80211_STA_FLAG_MFP) | | |
3726 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3727 | default: | |
3728 | return -EINVAL; | |
3729 | } | |
5727ef1b | 3730 | |
3383b5a6 JB |
3731 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3732 | if (flags[flag]) { | |
eccb8e8f | 3733 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3734 | |
3383b5a6 JB |
3735 | /* no longer support new API additions in old API */ |
3736 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3737 | return -EINVAL; | |
3738 | } | |
3739 | } | |
3740 | ||
5727ef1b JB |
3741 | return 0; |
3742 | } | |
3743 | ||
c8dcfd8a FF |
3744 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3745 | int attr) | |
3746 | { | |
3747 | struct nlattr *rate; | |
8eb41c8d VK |
3748 | u32 bitrate; |
3749 | u16 bitrate_compat; | |
b51f3bee | 3750 | enum nl80211_attrs rate_flg; |
c8dcfd8a FF |
3751 | |
3752 | rate = nla_nest_start(msg, attr); | |
3753 | if (!rate) | |
db9c64cf | 3754 | return false; |
c8dcfd8a FF |
3755 | |
3756 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3757 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3758 | /* report 16-bit bitrate only if we can */ |
3759 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3760 | if (bitrate > 0 && |
3761 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3762 | return false; | |
3763 | if (bitrate_compat > 0 && | |
3764 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3765 | return false; | |
3766 | ||
b51f3bee JB |
3767 | switch (info->bw) { |
3768 | case RATE_INFO_BW_5: | |
3769 | rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH; | |
3770 | break; | |
3771 | case RATE_INFO_BW_10: | |
3772 | rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH; | |
3773 | break; | |
3774 | default: | |
3775 | WARN_ON(1); | |
3776 | /* fall through */ | |
3777 | case RATE_INFO_BW_20: | |
3778 | rate_flg = 0; | |
3779 | break; | |
3780 | case RATE_INFO_BW_40: | |
3781 | rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH; | |
3782 | break; | |
3783 | case RATE_INFO_BW_80: | |
3784 | rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH; | |
3785 | break; | |
3786 | case RATE_INFO_BW_160: | |
3787 | rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH; | |
3788 | break; | |
3789 | } | |
3790 | ||
3791 | if (rate_flg && nla_put_flag(msg, rate_flg)) | |
3792 | return false; | |
3793 | ||
db9c64cf JB |
3794 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
3795 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3796 | return false; | |
db9c64cf JB |
3797 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
3798 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3799 | return false; | |
3800 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3801 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3802 | return false; | |
3803 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3804 | return false; | |
db9c64cf JB |
3805 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
3806 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3807 | return false; | |
3808 | } | |
c8dcfd8a FF |
3809 | |
3810 | nla_nest_end(msg, rate); | |
3811 | return true; | |
c8dcfd8a FF |
3812 | } |
3813 | ||
119363c7 FF |
3814 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3815 | int id) | |
3816 | { | |
3817 | void *attr; | |
3818 | int i = 0; | |
3819 | ||
3820 | if (!mask) | |
3821 | return true; | |
3822 | ||
3823 | attr = nla_nest_start(msg, id); | |
3824 | if (!attr) | |
3825 | return false; | |
3826 | ||
3827 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3828 | if (!(mask & BIT(i))) | |
3829 | continue; | |
3830 | ||
3831 | if (nla_put_u8(msg, i, signal[i])) | |
3832 | return false; | |
3833 | } | |
3834 | ||
3835 | nla_nest_end(msg, attr); | |
3836 | ||
3837 | return true; | |
3838 | } | |
3839 | ||
cf5ead82 JB |
3840 | static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, |
3841 | u32 seq, int flags, | |
66266b3a JL |
3842 | struct cfg80211_registered_device *rdev, |
3843 | struct net_device *dev, | |
98b62183 | 3844 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3845 | { |
3846 | void *hdr; | |
f4263c98 | 3847 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3848 | |
cf5ead82 | 3849 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
fd5b74dc JB |
3850 | if (!hdr) |
3851 | return -1; | |
3852 | ||
9360ffd1 DM |
3853 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3854 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3855 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3856 | goto nla_put_failure; | |
f5ea9120 | 3857 | |
2ec600d6 LCC |
3858 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3859 | if (!sinfoattr) | |
fd5b74dc | 3860 | goto nla_put_failure; |
319090bf JB |
3861 | |
3862 | #define PUT_SINFO(attr, memb, type) do { \ | |
d686b920 | 3863 | BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \ |
739960f1 | 3864 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ |
319090bf JB |
3865 | nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ |
3866 | sinfo->memb)) \ | |
3867 | goto nla_put_failure; \ | |
3868 | } while (0) | |
d686b920 JB |
3869 | #define PUT_SINFO_U64(attr, memb) do { \ |
3870 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ | |
3871 | nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \ | |
3872 | sinfo->memb, NL80211_STA_INFO_PAD)) \ | |
3873 | goto nla_put_failure; \ | |
3874 | } while (0) | |
319090bf JB |
3875 | |
3876 | PUT_SINFO(CONNECTED_TIME, connected_time, u32); | |
3877 | PUT_SINFO(INACTIVE_TIME, inactive_time, u32); | |
3878 | ||
3879 | if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) | | |
3880 | BIT(NL80211_STA_INFO_RX_BYTES64)) && | |
9360ffd1 | 3881 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3882 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3883 | goto nla_put_failure; |
319090bf JB |
3884 | |
3885 | if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) | | |
3886 | BIT(NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 3887 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3888 | (u32)sinfo->tx_bytes)) |
3889 | goto nla_put_failure; | |
319090bf | 3890 | |
d686b920 JB |
3891 | PUT_SINFO_U64(RX_BYTES64, rx_bytes); |
3892 | PUT_SINFO_U64(TX_BYTES64, tx_bytes); | |
319090bf JB |
3893 | PUT_SINFO(LLID, llid, u16); |
3894 | PUT_SINFO(PLID, plid, u16); | |
3895 | PUT_SINFO(PLINK_STATE, plink_state, u8); | |
d686b920 | 3896 | PUT_SINFO_U64(RX_DURATION, rx_duration); |
319090bf | 3897 | |
66266b3a JL |
3898 | switch (rdev->wiphy.signal_type) { |
3899 | case CFG80211_SIGNAL_TYPE_MBM: | |
319090bf JB |
3900 | PUT_SINFO(SIGNAL, signal, u8); |
3901 | PUT_SINFO(SIGNAL_AVG, signal_avg, u8); | |
66266b3a JL |
3902 | break; |
3903 | default: | |
3904 | break; | |
3905 | } | |
319090bf | 3906 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) { |
119363c7 FF |
3907 | if (!nl80211_put_signal(msg, sinfo->chains, |
3908 | sinfo->chain_signal, | |
3909 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3910 | goto nla_put_failure; | |
3911 | } | |
319090bf | 3912 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { |
119363c7 FF |
3913 | if (!nl80211_put_signal(msg, sinfo->chains, |
3914 | sinfo->chain_signal_avg, | |
3915 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3916 | goto nla_put_failure; | |
3917 | } | |
319090bf | 3918 | if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) { |
c8dcfd8a FF |
3919 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3920 | NL80211_STA_INFO_TX_BITRATE)) | |
3921 | goto nla_put_failure; | |
3922 | } | |
319090bf | 3923 | if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) { |
c8dcfd8a FF |
3924 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
3925 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3926 | goto nla_put_failure; |
420e7fab | 3927 | } |
319090bf JB |
3928 | |
3929 | PUT_SINFO(RX_PACKETS, rx_packets, u32); | |
3930 | PUT_SINFO(TX_PACKETS, tx_packets, u32); | |
3931 | PUT_SINFO(TX_RETRIES, tx_retries, u32); | |
3932 | PUT_SINFO(TX_FAILED, tx_failed, u32); | |
3933 | PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); | |
3934 | PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); | |
3935 | PUT_SINFO(LOCAL_PM, local_pm, u32); | |
3936 | PUT_SINFO(PEER_PM, peer_pm, u32); | |
3937 | PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); | |
3938 | ||
3939 | if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) { | |
f4263c98 PS |
3940 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); |
3941 | if (!bss_param) | |
3942 | goto nla_put_failure; | |
3943 | ||
9360ffd1 DM |
3944 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3945 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3946 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3947 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3948 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3949 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3950 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3951 | sinfo->bss_param.dtim_period) || | |
3952 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3953 | sinfo->bss_param.beacon_interval)) | |
3954 | goto nla_put_failure; | |
f4263c98 PS |
3955 | |
3956 | nla_nest_end(msg, bss_param); | |
3957 | } | |
319090bf | 3958 | if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) && |
9360ffd1 DM |
3959 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, |
3960 | sizeof(struct nl80211_sta_flag_update), | |
3961 | &sinfo->sta_flags)) | |
3962 | goto nla_put_failure; | |
319090bf | 3963 | |
d686b920 JB |
3964 | PUT_SINFO_U64(T_OFFSET, t_offset); |
3965 | PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); | |
3966 | PUT_SINFO_U64(BEACON_RX, rx_beacon); | |
a76b1942 | 3967 | PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); |
319090bf JB |
3968 | |
3969 | #undef PUT_SINFO | |
d686b920 | 3970 | #undef PUT_SINFO_U64 |
6de39808 JB |
3971 | |
3972 | if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) { | |
3973 | struct nlattr *tidsattr; | |
3974 | int tid; | |
3975 | ||
3976 | tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS); | |
3977 | if (!tidsattr) | |
3978 | goto nla_put_failure; | |
3979 | ||
3980 | for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { | |
3981 | struct cfg80211_tid_stats *tidstats; | |
3982 | struct nlattr *tidattr; | |
3983 | ||
3984 | tidstats = &sinfo->pertid[tid]; | |
3985 | ||
3986 | if (!tidstats->filled) | |
3987 | continue; | |
3988 | ||
3989 | tidattr = nla_nest_start(msg, tid + 1); | |
3990 | if (!tidattr) | |
3991 | goto nla_put_failure; | |
3992 | ||
d686b920 | 3993 | #define PUT_TIDVAL_U64(attr, memb) do { \ |
6de39808 | 3994 | if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ |
d686b920 JB |
3995 | nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \ |
3996 | tidstats->memb, NL80211_TID_STATS_PAD)) \ | |
6de39808 JB |
3997 | goto nla_put_failure; \ |
3998 | } while (0) | |
3999 | ||
d686b920 JB |
4000 | PUT_TIDVAL_U64(RX_MSDU, rx_msdu); |
4001 | PUT_TIDVAL_U64(TX_MSDU, tx_msdu); | |
4002 | PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries); | |
4003 | PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed); | |
6de39808 | 4004 | |
d686b920 | 4005 | #undef PUT_TIDVAL_U64 |
6de39808 JB |
4006 | nla_nest_end(msg, tidattr); |
4007 | } | |
4008 | ||
4009 | nla_nest_end(msg, tidsattr); | |
4010 | } | |
4011 | ||
2ec600d6 | 4012 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 4013 | |
319090bf | 4014 | if (sinfo->assoc_req_ies_len && |
9360ffd1 DM |
4015 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
4016 | sinfo->assoc_req_ies)) | |
4017 | goto nla_put_failure; | |
50d3dfb7 | 4018 | |
053c095a JB |
4019 | genlmsg_end(msg, hdr); |
4020 | return 0; | |
fd5b74dc JB |
4021 | |
4022 | nla_put_failure: | |
bc3ed28c TG |
4023 | genlmsg_cancel(msg, hdr); |
4024 | return -EMSGSIZE; | |
fd5b74dc JB |
4025 | } |
4026 | ||
2ec600d6 | 4027 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 4028 | struct netlink_callback *cb) |
2ec600d6 | 4029 | { |
2ec600d6 | 4030 | struct station_info sinfo; |
1b8ec87a | 4031 | struct cfg80211_registered_device *rdev; |
97990a06 | 4032 | struct wireless_dev *wdev; |
2ec600d6 | 4033 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 4034 | int sta_idx = cb->args[2]; |
2ec600d6 | 4035 | int err; |
2ec600d6 | 4036 | |
1b8ec87a | 4037 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4038 | if (err) |
4039 | return err; | |
bba95fef | 4040 | |
97990a06 JB |
4041 | if (!wdev->netdev) { |
4042 | err = -EINVAL; | |
4043 | goto out_err; | |
4044 | } | |
4045 | ||
1b8ec87a | 4046 | if (!rdev->ops->dump_station) { |
eec60b03 | 4047 | err = -EOPNOTSUPP; |
bba95fef JB |
4048 | goto out_err; |
4049 | } | |
4050 | ||
bba95fef | 4051 | while (1) { |
f612cedf | 4052 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 4053 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 4054 | mac_addr, &sinfo); |
bba95fef JB |
4055 | if (err == -ENOENT) |
4056 | break; | |
4057 | if (err) | |
3b85875a | 4058 | goto out_err; |
bba95fef | 4059 | |
cf5ead82 | 4060 | if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, |
15e47304 | 4061 | NETLINK_CB(cb->skb).portid, |
bba95fef | 4062 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 4063 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
4064 | &sinfo) < 0) |
4065 | goto out; | |
4066 | ||
4067 | sta_idx++; | |
4068 | } | |
4069 | ||
bba95fef | 4070 | out: |
97990a06 | 4071 | cb->args[2] = sta_idx; |
bba95fef | 4072 | err = skb->len; |
bba95fef | 4073 | out_err: |
1b8ec87a | 4074 | nl80211_finish_wdev_dump(rdev); |
bba95fef JB |
4075 | |
4076 | return err; | |
2ec600d6 | 4077 | } |
fd5b74dc | 4078 | |
5727ef1b JB |
4079 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
4080 | { | |
4c476991 JB |
4081 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4082 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 4083 | struct station_info sinfo; |
fd5b74dc JB |
4084 | struct sk_buff *msg; |
4085 | u8 *mac_addr = NULL; | |
4c476991 | 4086 | int err; |
fd5b74dc | 4087 | |
2ec600d6 | 4088 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
4089 | |
4090 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4091 | return -EINVAL; | |
4092 | ||
4093 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4094 | ||
4c476991 JB |
4095 | if (!rdev->ops->get_station) |
4096 | return -EOPNOTSUPP; | |
3b85875a | 4097 | |
e35e4d28 | 4098 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 4099 | if (err) |
4c476991 | 4100 | return err; |
2ec600d6 | 4101 | |
fd2120ca | 4102 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 4103 | if (!msg) |
4c476991 | 4104 | return -ENOMEM; |
fd5b74dc | 4105 | |
cf5ead82 JB |
4106 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, |
4107 | info->snd_portid, info->snd_seq, 0, | |
66266b3a | 4108 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
4109 | nlmsg_free(msg); |
4110 | return -ENOBUFS; | |
4111 | } | |
3b85875a | 4112 | |
4c476991 | 4113 | return genlmsg_reply(msg, info); |
5727ef1b JB |
4114 | } |
4115 | ||
77ee7c89 JB |
4116 | int cfg80211_check_station_change(struct wiphy *wiphy, |
4117 | struct station_parameters *params, | |
4118 | enum cfg80211_station_type statype) | |
4119 | { | |
e4208427 AB |
4120 | if (params->listen_interval != -1 && |
4121 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 | 4122 | return -EINVAL; |
e4208427 | 4123 | |
17b94247 AB |
4124 | if (params->support_p2p_ps != -1 && |
4125 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
4126 | return -EINVAL; | |
4127 | ||
c72e1140 | 4128 | if (params->aid && |
e4208427 AB |
4129 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && |
4130 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 JB |
4131 | return -EINVAL; |
4132 | ||
4133 | /* When you run into this, adjust the code below for the new flag */ | |
4134 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4135 | ||
4136 | switch (statype) { | |
eef941e6 TP |
4137 | case CFG80211_STA_MESH_PEER_KERNEL: |
4138 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
4139 | /* |
4140 | * No ignoring the TDLS flag here -- the userspace mesh | |
4141 | * code doesn't have the bug of including TDLS in the | |
4142 | * mask everywhere. | |
4143 | */ | |
4144 | if (params->sta_flags_mask & | |
4145 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4146 | BIT(NL80211_STA_FLAG_MFP) | | |
4147 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4148 | return -EINVAL; | |
4149 | break; | |
4150 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4151 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4152 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4153 | return -EINVAL; | |
4154 | /* ignore since it can't change */ | |
4155 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4156 | break; | |
4157 | default: | |
4158 | /* disallow mesh-specific things */ | |
4159 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
4160 | return -EINVAL; | |
4161 | if (params->local_pm) | |
4162 | return -EINVAL; | |
4163 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
4164 | return -EINVAL; | |
4165 | } | |
4166 | ||
4167 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
4168 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
4169 | /* TDLS can't be set, ... */ | |
4170 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4171 | return -EINVAL; | |
4172 | /* | |
4173 | * ... but don't bother the driver with it. This works around | |
4174 | * a hostapd/wpa_supplicant issue -- it always includes the | |
4175 | * TLDS_PEER flag in the mask even for AP mode. | |
4176 | */ | |
4177 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4178 | } | |
4179 | ||
47edb11b AB |
4180 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && |
4181 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4182 | /* reject other things that can't change */ |
4183 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
4184 | return -EINVAL; | |
4185 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
4186 | return -EINVAL; | |
4187 | if (params->supported_rates) | |
4188 | return -EINVAL; | |
4189 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
4190 | return -EINVAL; | |
4191 | } | |
4192 | ||
47edb11b AB |
4193 | if (statype != CFG80211_STA_AP_CLIENT && |
4194 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4195 | if (params->vlan) |
4196 | return -EINVAL; | |
4197 | } | |
4198 | ||
4199 | switch (statype) { | |
4200 | case CFG80211_STA_AP_MLME_CLIENT: | |
4201 | /* Use this only for authorizing/unauthorizing a station */ | |
4202 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4203 | return -EOPNOTSUPP; | |
4204 | break; | |
4205 | case CFG80211_STA_AP_CLIENT: | |
47edb11b | 4206 | case CFG80211_STA_AP_CLIENT_UNASSOC: |
77ee7c89 JB |
4207 | /* accept only the listed bits */ |
4208 | if (params->sta_flags_mask & | |
4209 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4210 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4211 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4212 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4213 | BIT(NL80211_STA_FLAG_WME) | | |
4214 | BIT(NL80211_STA_FLAG_MFP))) | |
4215 | return -EINVAL; | |
4216 | ||
4217 | /* but authenticated/associated only if driver handles it */ | |
4218 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4219 | params->sta_flags_mask & | |
4220 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4221 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4222 | return -EINVAL; | |
4223 | break; | |
4224 | case CFG80211_STA_IBSS: | |
4225 | case CFG80211_STA_AP_STA: | |
4226 | /* reject any changes other than AUTHORIZED */ | |
4227 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4228 | return -EINVAL; | |
4229 | break; | |
4230 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4231 | /* reject any changes other than AUTHORIZED or WME */ | |
4232 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4233 | BIT(NL80211_STA_FLAG_WME))) | |
4234 | return -EINVAL; | |
4235 | /* force (at least) rates when authorizing */ | |
4236 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4237 | !params->supported_rates) | |
4238 | return -EINVAL; | |
4239 | break; | |
4240 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4241 | /* reject any changes */ | |
4242 | return -EINVAL; | |
eef941e6 | 4243 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4244 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4245 | return -EINVAL; | |
4246 | break; | |
eef941e6 | 4247 | case CFG80211_STA_MESH_PEER_USER: |
42925040 CYY |
4248 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && |
4249 | params->plink_action != NL80211_PLINK_ACTION_BLOCK) | |
77ee7c89 JB |
4250 | return -EINVAL; |
4251 | break; | |
4252 | } | |
4253 | ||
4254 | return 0; | |
4255 | } | |
4256 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4257 | ||
5727ef1b | 4258 | /* |
c258d2de | 4259 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4260 | */ |
80b99899 JB |
4261 | static struct net_device *get_vlan(struct genl_info *info, |
4262 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4263 | { |
463d0183 | 4264 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4265 | struct net_device *v; |
4266 | int ret; | |
4267 | ||
4268 | if (!vlanattr) | |
4269 | return NULL; | |
4270 | ||
4271 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4272 | if (!v) | |
4273 | return ERR_PTR(-ENODEV); | |
4274 | ||
4275 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4276 | ret = -EINVAL; | |
4277 | goto error; | |
5727ef1b | 4278 | } |
80b99899 | 4279 | |
77ee7c89 JB |
4280 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4281 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4282 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4283 | ret = -EINVAL; | |
4284 | goto error; | |
4285 | } | |
4286 | ||
80b99899 JB |
4287 | if (!netif_running(v)) { |
4288 | ret = -ENETDOWN; | |
4289 | goto error; | |
4290 | } | |
4291 | ||
4292 | return v; | |
4293 | error: | |
4294 | dev_put(v); | |
4295 | return ERR_PTR(ret); | |
5727ef1b JB |
4296 | } |
4297 | ||
94e860f1 JB |
4298 | static const struct nla_policy |
4299 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4300 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4301 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4302 | }; | |
4303 | ||
ff276691 JB |
4304 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4305 | struct station_parameters *params) | |
df881293 | 4306 | { |
df881293 JM |
4307 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4308 | struct nlattr *nla; | |
4309 | int err; | |
4310 | ||
df881293 JM |
4311 | /* parse WME attributes if present */ |
4312 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4313 | return 0; | |
4314 | ||
4315 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4316 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4317 | nl80211_sta_wme_policy); | |
4318 | if (err) | |
4319 | return err; | |
4320 | ||
4321 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4322 | params->uapsd_queues = nla_get_u8( | |
4323 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4324 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4325 | return -EINVAL; | |
4326 | ||
4327 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4328 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4329 | ||
4330 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4331 | return -EINVAL; | |
4332 | ||
4333 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4334 | ||
4335 | return 0; | |
4336 | } | |
4337 | ||
c01fc9ad SD |
4338 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4339 | struct station_parameters *params) | |
4340 | { | |
4341 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4342 | params->supported_channels = | |
4343 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4344 | params->supported_channels_len = | |
4345 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4346 | /* | |
4347 | * Need to include at least one (first channel, number of | |
4348 | * channels) tuple for each subband, and must have proper | |
4349 | * tuples for the rest of the data as well. | |
4350 | */ | |
4351 | if (params->supported_channels_len < 2) | |
4352 | return -EINVAL; | |
4353 | if (params->supported_channels_len % 2) | |
4354 | return -EINVAL; | |
4355 | } | |
4356 | ||
4357 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4358 | params->supported_oper_classes = | |
4359 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4360 | params->supported_oper_classes_len = | |
4361 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4362 | /* | |
4363 | * The value of the Length field of the Supported Operating | |
4364 | * Classes element is between 2 and 253. | |
4365 | */ | |
4366 | if (params->supported_oper_classes_len < 2 || | |
4367 | params->supported_oper_classes_len > 253) | |
4368 | return -EINVAL; | |
4369 | } | |
4370 | return 0; | |
4371 | } | |
4372 | ||
ff276691 JB |
4373 | static int nl80211_set_station_tdls(struct genl_info *info, |
4374 | struct station_parameters *params) | |
4375 | { | |
c01fc9ad | 4376 | int err; |
ff276691 | 4377 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4378 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4379 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4380 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4381 | params->ht_capa = | |
4382 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4383 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4384 | params->vht_capa = | |
4385 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4386 | ||
c01fc9ad SD |
4387 | err = nl80211_parse_sta_channel_info(info, params); |
4388 | if (err) | |
4389 | return err; | |
4390 | ||
ff276691 JB |
4391 | return nl80211_parse_sta_wme(info, params); |
4392 | } | |
4393 | ||
5727ef1b JB |
4394 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4395 | { | |
4c476991 | 4396 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4397 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4398 | struct station_parameters params; |
77ee7c89 JB |
4399 | u8 *mac_addr; |
4400 | int err; | |
5727ef1b JB |
4401 | |
4402 | memset(¶ms, 0, sizeof(params)); | |
4403 | ||
77ee7c89 JB |
4404 | if (!rdev->ops->change_station) |
4405 | return -EOPNOTSUPP; | |
4406 | ||
e4208427 AB |
4407 | /* |
4408 | * AID and listen_interval properties can be set only for unassociated | |
4409 | * station. Include these parameters here and will check them in | |
4410 | * cfg80211_check_station_change(). | |
4411 | */ | |
a9bc31e4 AB |
4412 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4413 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
e4208427 AB |
4414 | |
4415 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
4416 | params.listen_interval = | |
4417 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
4418 | else | |
4419 | params.listen_interval = -1; | |
5727ef1b | 4420 | |
17b94247 AB |
4421 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4422 | u8 tmp; | |
4423 | ||
4424 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4425 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4426 | return -EINVAL; | |
4427 | ||
4428 | params.support_p2p_ps = tmp; | |
4429 | } else { | |
4430 | params.support_p2p_ps = -1; | |
4431 | } | |
4432 | ||
5727ef1b JB |
4433 | if (!info->attrs[NL80211_ATTR_MAC]) |
4434 | return -EINVAL; | |
4435 | ||
4436 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4437 | ||
4438 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4439 | params.supported_rates = | |
4440 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4441 | params.supported_rates_len = | |
4442 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4443 | } | |
4444 | ||
9d62a986 JM |
4445 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4446 | params.capability = | |
4447 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4448 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4449 | } | |
4450 | ||
4451 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4452 | params.ext_capab = | |
4453 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4454 | params.ext_capab_len = | |
4455 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4456 | } | |
4457 | ||
bdd3ae3d | 4458 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4459 | return -EINVAL; |
4460 | ||
f8bacc21 | 4461 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4462 | params.plink_action = |
f8bacc21 JB |
4463 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4464 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4465 | return -EINVAL; | |
4466 | } | |
2ec600d6 | 4467 | |
f8bacc21 | 4468 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4469 | params.plink_state = |
f8bacc21 JB |
4470 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4471 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4472 | return -EINVAL; | |
7d27a0ba MH |
4473 | if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) { |
4474 | params.peer_aid = nla_get_u16( | |
4475 | info->attrs[NL80211_ATTR_MESH_PEER_AID]); | |
4476 | if (params.peer_aid > IEEE80211_MAX_AID) | |
4477 | return -EINVAL; | |
4478 | } | |
f8bacc21 JB |
4479 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; |
4480 | } | |
9c3990aa | 4481 | |
3b1c5a53 MP |
4482 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4483 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4484 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4485 | ||
4486 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4487 | pm > NL80211_MESH_POWER_MAX) | |
4488 | return -EINVAL; | |
4489 | ||
4490 | params.local_pm = pm; | |
4491 | } | |
4492 | ||
77ee7c89 JB |
4493 | /* Include parameters for TDLS peer (will check later) */ |
4494 | err = nl80211_set_station_tdls(info, ¶ms); | |
4495 | if (err) | |
4496 | return err; | |
4497 | ||
4498 | params.vlan = get_vlan(info, rdev); | |
4499 | if (IS_ERR(params.vlan)) | |
4500 | return PTR_ERR(params.vlan); | |
4501 | ||
a97f4424 JB |
4502 | switch (dev->ieee80211_ptr->iftype) { |
4503 | case NL80211_IFTYPE_AP: | |
4504 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4505 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4506 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4507 | case NL80211_IFTYPE_STATION: |
267335d6 | 4508 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4509 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4510 | break; |
4511 | default: | |
77ee7c89 JB |
4512 | err = -EOPNOTSUPP; |
4513 | goto out_put_vlan; | |
034d655e JB |
4514 | } |
4515 | ||
77ee7c89 | 4516 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4517 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4518 | |
77ee7c89 | 4519 | out_put_vlan: |
5727ef1b JB |
4520 | if (params.vlan) |
4521 | dev_put(params.vlan); | |
3b85875a | 4522 | |
5727ef1b JB |
4523 | return err; |
4524 | } | |
4525 | ||
4526 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4527 | { | |
4c476991 | 4528 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4529 | int err; |
4c476991 | 4530 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4531 | struct station_parameters params; |
4532 | u8 *mac_addr = NULL; | |
bda95eb1 JB |
4533 | u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
4534 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
5727ef1b JB |
4535 | |
4536 | memset(¶ms, 0, sizeof(params)); | |
4537 | ||
984c311b JB |
4538 | if (!rdev->ops->add_station) |
4539 | return -EOPNOTSUPP; | |
4540 | ||
5727ef1b JB |
4541 | if (!info->attrs[NL80211_ATTR_MAC]) |
4542 | return -EINVAL; | |
4543 | ||
5727ef1b JB |
4544 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4545 | return -EINVAL; | |
4546 | ||
4547 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4548 | return -EINVAL; | |
4549 | ||
5e4b6f56 JM |
4550 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4551 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4552 | return -EINVAL; |
4553 | ||
5727ef1b JB |
4554 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4555 | params.supported_rates = | |
4556 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4557 | params.supported_rates_len = | |
4558 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4559 | params.listen_interval = | |
4560 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4561 | |
17b94247 AB |
4562 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4563 | u8 tmp; | |
4564 | ||
4565 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4566 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4567 | return -EINVAL; | |
4568 | ||
4569 | params.support_p2p_ps = tmp; | |
4570 | } else { | |
4571 | /* | |
4572 | * if not specified, assume it's supported for P2P GO interface, | |
4573 | * and is NOT supported for AP interface | |
4574 | */ | |
4575 | params.support_p2p_ps = | |
4576 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO; | |
4577 | } | |
4578 | ||
3d124ea2 | 4579 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4580 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4581 | else |
4582 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4583 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4584 | return -EINVAL; | |
51b50fbe | 4585 | |
9d62a986 JM |
4586 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4587 | params.capability = | |
4588 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4589 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4590 | } | |
4591 | ||
4592 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4593 | params.ext_capab = | |
4594 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4595 | params.ext_capab_len = | |
4596 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4597 | } | |
4598 | ||
36aedc90 JM |
4599 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4600 | params.ht_capa = | |
4601 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4602 | |
f461be3e MP |
4603 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4604 | params.vht_capa = | |
4605 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4606 | ||
60f4a7b1 MK |
4607 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4608 | params.opmode_notif_used = true; | |
4609 | params.opmode_notif = | |
4610 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4611 | } | |
4612 | ||
f8bacc21 | 4613 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4614 | params.plink_action = |
f8bacc21 JB |
4615 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4616 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4617 | return -EINVAL; | |
4618 | } | |
96b78dff | 4619 | |
c01fc9ad SD |
4620 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4621 | if (err) | |
4622 | return err; | |
4623 | ||
ff276691 JB |
4624 | err = nl80211_parse_sta_wme(info, ¶ms); |
4625 | if (err) | |
4626 | return err; | |
bdd90d5e | 4627 | |
bdd3ae3d | 4628 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4629 | return -EINVAL; |
4630 | ||
496fcc29 JB |
4631 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
4632 | * as userspace might just pass through the capabilities from the IEs | |
4633 | * directly, rather than enforcing this restriction and returning an | |
4634 | * error in this case. | |
4635 | */ | |
4636 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
4637 | params.ht_capa = NULL; | |
4638 | params.vht_capa = NULL; | |
4639 | } | |
4640 | ||
77ee7c89 JB |
4641 | /* When you run into this, adjust the code below for the new flag */ |
4642 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4643 | ||
bdd90d5e JB |
4644 | switch (dev->ieee80211_ptr->iftype) { |
4645 | case NL80211_IFTYPE_AP: | |
4646 | case NL80211_IFTYPE_AP_VLAN: | |
4647 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4648 | /* ignore WME attributes if iface/sta is not capable */ |
4649 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4650 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4651 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4652 | |
bdd90d5e | 4653 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4654 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4655 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4656 | return -EINVAL; |
bdd90d5e JB |
4657 | /* but don't bother the driver with it */ |
4658 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4659 | |
d582cffb JB |
4660 | /* allow authenticated/associated only if driver handles it */ |
4661 | if (!(rdev->wiphy.features & | |
4662 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
bda95eb1 | 4663 | params.sta_flags_mask & auth_assoc) |
d582cffb JB |
4664 | return -EINVAL; |
4665 | ||
bda95eb1 JB |
4666 | /* Older userspace, or userspace wanting to be compatible with |
4667 | * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth | |
4668 | * and assoc flags in the mask, but assumes the station will be | |
4669 | * added as associated anyway since this was the required driver | |
4670 | * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was | |
4671 | * introduced. | |
4672 | * In order to not bother drivers with this quirk in the API | |
4673 | * set the flags in both the mask and set for new stations in | |
4674 | * this case. | |
4675 | */ | |
4676 | if (!(params.sta_flags_mask & auth_assoc)) { | |
4677 | params.sta_flags_mask |= auth_assoc; | |
4678 | params.sta_flags_set |= auth_assoc; | |
4679 | } | |
4680 | ||
bdd90d5e JB |
4681 | /* must be last in here for error handling */ |
4682 | params.vlan = get_vlan(info, rdev); | |
4683 | if (IS_ERR(params.vlan)) | |
4684 | return PTR_ERR(params.vlan); | |
4685 | break; | |
4686 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4687 | /* ignore uAPSD data */ |
4688 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4689 | ||
d582cffb JB |
4690 | /* associated is disallowed */ |
4691 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4692 | return -EINVAL; | |
bdd90d5e | 4693 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4694 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4695 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4696 | return -EINVAL; |
4697 | break; | |
4698 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4699 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4700 | /* ignore uAPSD data */ |
4701 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4702 | ||
77ee7c89 JB |
4703 | /* these are disallowed */ |
4704 | if (params.sta_flags_mask & | |
4705 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4706 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4707 | return -EINVAL; |
bdd90d5e JB |
4708 | /* Only TDLS peers can be added */ |
4709 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4710 | return -EINVAL; | |
4711 | /* Can only add if TDLS ... */ | |
4712 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4713 | return -EOPNOTSUPP; | |
4714 | /* ... with external setup is supported */ | |
4715 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4716 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4717 | /* |
4718 | * Older wpa_supplicant versions always mark the TDLS peer | |
4719 | * as authorized, but it shouldn't yet be. | |
4720 | */ | |
4721 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4722 | break; |
4723 | default: | |
4724 | return -EOPNOTSUPP; | |
c75786c9 EP |
4725 | } |
4726 | ||
bdd90d5e | 4727 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4728 | |
e35e4d28 | 4729 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4730 | |
5727ef1b JB |
4731 | if (params.vlan) |
4732 | dev_put(params.vlan); | |
5727ef1b JB |
4733 | return err; |
4734 | } | |
4735 | ||
4736 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4737 | { | |
4c476991 JB |
4738 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4739 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
4740 | struct station_del_parameters params; |
4741 | ||
4742 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
4743 | |
4744 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 4745 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 4746 | |
e80cf853 | 4747 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4748 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4749 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4750 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4751 | return -EINVAL; | |
5727ef1b | 4752 | |
4c476991 JB |
4753 | if (!rdev->ops->del_station) |
4754 | return -EOPNOTSUPP; | |
3b85875a | 4755 | |
98856866 JM |
4756 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
4757 | params.subtype = | |
4758 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
4759 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
4760 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
4761 | return -EINVAL; | |
4762 | } else { | |
4763 | /* Default to Deauthentication frame */ | |
4764 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
4765 | } | |
4766 | ||
4767 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
4768 | params.reason_code = | |
4769 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
4770 | if (params.reason_code == 0) | |
4771 | return -EINVAL; /* 0 is reserved */ | |
4772 | } else { | |
4773 | /* Default to reason code 2 */ | |
4774 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
4775 | } | |
4776 | ||
89c771e5 | 4777 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
4778 | } |
4779 | ||
15e47304 | 4780 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4781 | int flags, struct net_device *dev, |
4782 | u8 *dst, u8 *next_hop, | |
4783 | struct mpath_info *pinfo) | |
4784 | { | |
4785 | void *hdr; | |
4786 | struct nlattr *pinfoattr; | |
4787 | ||
1ef4c850 | 4788 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
4789 | if (!hdr) |
4790 | return -1; | |
4791 | ||
9360ffd1 DM |
4792 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4793 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4794 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4795 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4796 | goto nla_put_failure; | |
f5ea9120 | 4797 | |
2ec600d6 LCC |
4798 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4799 | if (!pinfoattr) | |
4800 | goto nla_put_failure; | |
9360ffd1 DM |
4801 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4802 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4803 | pinfo->frame_qlen)) | |
4804 | goto nla_put_failure; | |
4805 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4806 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4807 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4808 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4809 | pinfo->metric)) || | |
4810 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4811 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4812 | pinfo->exptime)) || | |
4813 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4814 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4815 | pinfo->flags)) || | |
4816 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4817 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4818 | pinfo->discovery_timeout)) || | |
4819 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4820 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4821 | pinfo->discovery_retries))) | |
4822 | goto nla_put_failure; | |
2ec600d6 LCC |
4823 | |
4824 | nla_nest_end(msg, pinfoattr); | |
4825 | ||
053c095a JB |
4826 | genlmsg_end(msg, hdr); |
4827 | return 0; | |
2ec600d6 LCC |
4828 | |
4829 | nla_put_failure: | |
bc3ed28c TG |
4830 | genlmsg_cancel(msg, hdr); |
4831 | return -EMSGSIZE; | |
2ec600d6 LCC |
4832 | } |
4833 | ||
4834 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4835 | struct netlink_callback *cb) |
2ec600d6 | 4836 | { |
2ec600d6 | 4837 | struct mpath_info pinfo; |
1b8ec87a | 4838 | struct cfg80211_registered_device *rdev; |
97990a06 | 4839 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4840 | u8 dst[ETH_ALEN]; |
4841 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4842 | int path_idx = cb->args[2]; |
2ec600d6 | 4843 | int err; |
2ec600d6 | 4844 | |
1b8ec87a | 4845 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4846 | if (err) |
4847 | return err; | |
bba95fef | 4848 | |
1b8ec87a | 4849 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 4850 | err = -EOPNOTSUPP; |
bba95fef JB |
4851 | goto out_err; |
4852 | } | |
4853 | ||
97990a06 | 4854 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4855 | err = -EOPNOTSUPP; |
0448b5fc | 4856 | goto out_err; |
eec60b03 JM |
4857 | } |
4858 | ||
bba95fef | 4859 | while (1) { |
1b8ec87a | 4860 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 4861 | next_hop, &pinfo); |
bba95fef | 4862 | if (err == -ENOENT) |
2ec600d6 | 4863 | break; |
bba95fef | 4864 | if (err) |
3b85875a | 4865 | goto out_err; |
2ec600d6 | 4866 | |
15e47304 | 4867 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4868 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4869 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4870 | &pinfo) < 0) |
4871 | goto out; | |
2ec600d6 | 4872 | |
bba95fef | 4873 | path_idx++; |
2ec600d6 | 4874 | } |
2ec600d6 | 4875 | |
bba95fef | 4876 | out: |
97990a06 | 4877 | cb->args[2] = path_idx; |
bba95fef | 4878 | err = skb->len; |
bba95fef | 4879 | out_err: |
1b8ec87a | 4880 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 4881 | return err; |
2ec600d6 LCC |
4882 | } |
4883 | ||
4884 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4885 | { | |
4c476991 | 4886 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4887 | int err; |
4c476991 | 4888 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4889 | struct mpath_info pinfo; |
4890 | struct sk_buff *msg; | |
4891 | u8 *dst = NULL; | |
4892 | u8 next_hop[ETH_ALEN]; | |
4893 | ||
4894 | memset(&pinfo, 0, sizeof(pinfo)); | |
4895 | ||
4896 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4897 | return -EINVAL; | |
4898 | ||
4899 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4900 | ||
4c476991 JB |
4901 | if (!rdev->ops->get_mpath) |
4902 | return -EOPNOTSUPP; | |
2ec600d6 | 4903 | |
4c476991 JB |
4904 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4905 | return -EOPNOTSUPP; | |
eec60b03 | 4906 | |
e35e4d28 | 4907 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4908 | if (err) |
4c476991 | 4909 | return err; |
2ec600d6 | 4910 | |
fd2120ca | 4911 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4912 | if (!msg) |
4c476991 | 4913 | return -ENOMEM; |
2ec600d6 | 4914 | |
15e47304 | 4915 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4916 | dev, dst, next_hop, &pinfo) < 0) { |
4917 | nlmsg_free(msg); | |
4918 | return -ENOBUFS; | |
4919 | } | |
3b85875a | 4920 | |
4c476991 | 4921 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4922 | } |
4923 | ||
4924 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4925 | { | |
4c476991 JB |
4926 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4927 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4928 | u8 *dst = NULL; |
4929 | u8 *next_hop = NULL; | |
4930 | ||
4931 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4932 | return -EINVAL; | |
4933 | ||
4934 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4935 | return -EINVAL; | |
4936 | ||
4937 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4938 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4939 | ||
4c476991 JB |
4940 | if (!rdev->ops->change_mpath) |
4941 | return -EOPNOTSUPP; | |
35a8efe1 | 4942 | |
4c476991 JB |
4943 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4944 | return -EOPNOTSUPP; | |
2ec600d6 | 4945 | |
e35e4d28 | 4946 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4947 | } |
4c476991 | 4948 | |
2ec600d6 LCC |
4949 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4950 | { | |
4c476991 JB |
4951 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4952 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4953 | u8 *dst = NULL; |
4954 | u8 *next_hop = NULL; | |
4955 | ||
4956 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4957 | return -EINVAL; | |
4958 | ||
4959 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4960 | return -EINVAL; | |
4961 | ||
4962 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4963 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4964 | ||
4c476991 JB |
4965 | if (!rdev->ops->add_mpath) |
4966 | return -EOPNOTSUPP; | |
35a8efe1 | 4967 | |
4c476991 JB |
4968 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4969 | return -EOPNOTSUPP; | |
2ec600d6 | 4970 | |
e35e4d28 | 4971 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4972 | } |
4973 | ||
4974 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4975 | { | |
4c476991 JB |
4976 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4977 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4978 | u8 *dst = NULL; |
4979 | ||
4980 | if (info->attrs[NL80211_ATTR_MAC]) | |
4981 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4982 | ||
4c476991 JB |
4983 | if (!rdev->ops->del_mpath) |
4984 | return -EOPNOTSUPP; | |
3b85875a | 4985 | |
e35e4d28 | 4986 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4987 | } |
4988 | ||
66be7d2b HR |
4989 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
4990 | { | |
4991 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4992 | int err; | |
4993 | struct net_device *dev = info->user_ptr[1]; | |
4994 | struct mpath_info pinfo; | |
4995 | struct sk_buff *msg; | |
4996 | u8 *dst = NULL; | |
4997 | u8 mpp[ETH_ALEN]; | |
4998 | ||
4999 | memset(&pinfo, 0, sizeof(pinfo)); | |
5000 | ||
5001 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5002 | return -EINVAL; | |
5003 | ||
5004 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5005 | ||
5006 | if (!rdev->ops->get_mpp) | |
5007 | return -EOPNOTSUPP; | |
5008 | ||
5009 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
5010 | return -EOPNOTSUPP; | |
5011 | ||
5012 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
5013 | if (err) | |
5014 | return err; | |
5015 | ||
5016 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5017 | if (!msg) | |
5018 | return -ENOMEM; | |
5019 | ||
5020 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
5021 | dev, dst, mpp, &pinfo) < 0) { | |
5022 | nlmsg_free(msg); | |
5023 | return -ENOBUFS; | |
5024 | } | |
5025 | ||
5026 | return genlmsg_reply(msg, info); | |
5027 | } | |
5028 | ||
5029 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
5030 | struct netlink_callback *cb) | |
5031 | { | |
5032 | struct mpath_info pinfo; | |
5033 | struct cfg80211_registered_device *rdev; | |
5034 | struct wireless_dev *wdev; | |
5035 | u8 dst[ETH_ALEN]; | |
5036 | u8 mpp[ETH_ALEN]; | |
5037 | int path_idx = cb->args[2]; | |
5038 | int err; | |
5039 | ||
5040 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); | |
5041 | if (err) | |
5042 | return err; | |
5043 | ||
5044 | if (!rdev->ops->dump_mpp) { | |
5045 | err = -EOPNOTSUPP; | |
5046 | goto out_err; | |
5047 | } | |
5048 | ||
5049 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
5050 | err = -EOPNOTSUPP; | |
5051 | goto out_err; | |
5052 | } | |
5053 | ||
5054 | while (1) { | |
5055 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
5056 | mpp, &pinfo); | |
5057 | if (err == -ENOENT) | |
5058 | break; | |
5059 | if (err) | |
5060 | goto out_err; | |
5061 | ||
5062 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
5063 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
5064 | wdev->netdev, dst, mpp, | |
5065 | &pinfo) < 0) | |
5066 | goto out; | |
5067 | ||
5068 | path_idx++; | |
5069 | } | |
5070 | ||
5071 | out: | |
5072 | cb->args[2] = path_idx; | |
5073 | err = skb->len; | |
5074 | out_err: | |
5075 | nl80211_finish_wdev_dump(rdev); | |
5076 | return err; | |
5077 | } | |
5078 | ||
9f1ba906 JM |
5079 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
5080 | { | |
4c476991 JB |
5081 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5082 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 5083 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 5084 | struct bss_parameters params; |
c56589ed | 5085 | int err; |
9f1ba906 JM |
5086 | |
5087 | memset(¶ms, 0, sizeof(params)); | |
5088 | /* default to not changing parameters */ | |
5089 | params.use_cts_prot = -1; | |
5090 | params.use_short_preamble = -1; | |
5091 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 5092 | params.ap_isolate = -1; |
50b12f59 | 5093 | params.ht_opmode = -1; |
53cabad7 JB |
5094 | params.p2p_ctwindow = -1; |
5095 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
5096 | |
5097 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
5098 | params.use_cts_prot = | |
5099 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
5100 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
5101 | params.use_short_preamble = | |
5102 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
5103 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
5104 | params.use_short_slot_time = | |
5105 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
5106 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
5107 | params.basic_rates = | |
5108 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5109 | params.basic_rates_len = | |
5110 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5111 | } | |
fd8aaaf3 FF |
5112 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
5113 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
5114 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
5115 | params.ht_opmode = | |
5116 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 5117 | |
53cabad7 JB |
5118 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
5119 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5120 | return -EINVAL; | |
5121 | params.p2p_ctwindow = | |
5122 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
5123 | if (params.p2p_ctwindow < 0) | |
5124 | return -EINVAL; | |
5125 | if (params.p2p_ctwindow != 0 && | |
5126 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
5127 | return -EINVAL; | |
5128 | } | |
5129 | ||
5130 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
5131 | u8 tmp; | |
5132 | ||
5133 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5134 | return -EINVAL; | |
5135 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
5136 | if (tmp > 1) | |
5137 | return -EINVAL; | |
5138 | params.p2p_opp_ps = tmp; | |
5139 | if (params.p2p_opp_ps && | |
5140 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
5141 | return -EINVAL; | |
5142 | } | |
5143 | ||
4c476991 JB |
5144 | if (!rdev->ops->change_bss) |
5145 | return -EOPNOTSUPP; | |
9f1ba906 | 5146 | |
074ac8df | 5147 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
5148 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5149 | return -EOPNOTSUPP; | |
3b85875a | 5150 | |
c56589ed SW |
5151 | wdev_lock(wdev); |
5152 | err = rdev_change_bss(rdev, dev, ¶ms); | |
5153 | wdev_unlock(wdev); | |
5154 | ||
5155 | return err; | |
9f1ba906 JM |
5156 | } |
5157 | ||
b2e1b302 LR |
5158 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
5159 | { | |
b2e1b302 | 5160 | char *data = NULL; |
05050753 | 5161 | bool is_indoor; |
57b5ce07 | 5162 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
5163 | u32 owner_nlportid; |
5164 | ||
80778f18 LR |
5165 | /* |
5166 | * You should only get this when cfg80211 hasn't yet initialized | |
5167 | * completely when built-in to the kernel right between the time | |
5168 | * window between nl80211_init() and regulatory_init(), if that is | |
5169 | * even possible. | |
5170 | */ | |
458f4f9e | 5171 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 5172 | return -EINPROGRESS; |
80778f18 | 5173 | |
57b5ce07 LR |
5174 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
5175 | user_reg_hint_type = | |
5176 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
5177 | else | |
5178 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
5179 | ||
5180 | switch (user_reg_hint_type) { | |
5181 | case NL80211_USER_REG_HINT_USER: | |
5182 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
5183 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
5184 | return -EINVAL; | |
5185 | ||
5186 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5187 | return regulatory_hint_user(data, user_reg_hint_type); | |
5188 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
5189 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
5190 | owner_nlportid = info->snd_portid; | |
5191 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
5192 | } else { | |
5193 | owner_nlportid = 0; | |
5194 | is_indoor = true; | |
5195 | } | |
5196 | ||
5197 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
5198 | default: |
5199 | return -EINVAL; | |
5200 | } | |
b2e1b302 LR |
5201 | } |
5202 | ||
24bdd9f4 | 5203 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 5204 | struct genl_info *info) |
93da9cc1 | 5205 | { |
4c476991 | 5206 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5207 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
5208 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5209 | struct mesh_config cur_params; | |
5210 | int err = 0; | |
93da9cc1 | 5211 | void *hdr; |
5212 | struct nlattr *pinfoattr; | |
5213 | struct sk_buff *msg; | |
5214 | ||
29cbe68c JB |
5215 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5216 | return -EOPNOTSUPP; | |
5217 | ||
24bdd9f4 | 5218 | if (!rdev->ops->get_mesh_config) |
4c476991 | 5219 | return -EOPNOTSUPP; |
f3f92586 | 5220 | |
29cbe68c JB |
5221 | wdev_lock(wdev); |
5222 | /* If not connected, get default parameters */ | |
5223 | if (!wdev->mesh_id_len) | |
5224 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
5225 | else | |
e35e4d28 | 5226 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
5227 | wdev_unlock(wdev); |
5228 | ||
93da9cc1 | 5229 | if (err) |
4c476991 | 5230 | return err; |
93da9cc1 | 5231 | |
5232 | /* Draw up a netlink message to send back */ | |
fd2120ca | 5233 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
5234 | if (!msg) |
5235 | return -ENOMEM; | |
15e47304 | 5236 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 5237 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 5238 | if (!hdr) |
efe1cf0c | 5239 | goto out; |
24bdd9f4 | 5240 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 5241 | if (!pinfoattr) |
5242 | goto nla_put_failure; | |
9360ffd1 DM |
5243 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5244 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
5245 | cur_params.dot11MeshRetryTimeout) || | |
5246 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
5247 | cur_params.dot11MeshConfirmTimeout) || | |
5248 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
5249 | cur_params.dot11MeshHoldingTimeout) || | |
5250 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5251 | cur_params.dot11MeshMaxPeerLinks) || | |
5252 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5253 | cur_params.dot11MeshMaxRetries) || | |
5254 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5255 | cur_params.dot11MeshTTL) || | |
5256 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5257 | cur_params.element_ttl) || | |
5258 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5259 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5260 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5261 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5262 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5263 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5264 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5265 | cur_params.path_refresh_time) || | |
5266 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5267 | cur_params.min_discovery_timeout) || | |
5268 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5269 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5270 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5271 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5272 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5273 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5274 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5275 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5276 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5277 | cur_params.dot11MeshHWMPRootMode) || | |
5278 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5279 | cur_params.dot11MeshHWMPRannInterval) || | |
5280 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5281 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5282 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5283 | cur_params.dot11MeshForwarding) || | |
5284 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
5285 | cur_params.rssi_threshold) || |
5286 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5287 | cur_params.ht_opmode) || |
5288 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5289 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5290 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5291 | cur_params.dot11MeshHWMProotInterval) || |
5292 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5293 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5294 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5295 | cur_params.power_mode) || | |
5296 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5297 | cur_params.dot11MeshAwakeWindowDuration) || |
5298 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5299 | cur_params.plink_timeout)) | |
9360ffd1 | 5300 | goto nla_put_failure; |
93da9cc1 | 5301 | nla_nest_end(msg, pinfoattr); |
5302 | genlmsg_end(msg, hdr); | |
4c476991 | 5303 | return genlmsg_reply(msg, info); |
93da9cc1 | 5304 | |
3b85875a | 5305 | nla_put_failure: |
93da9cc1 | 5306 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5307 | out: |
d080e275 | 5308 | nlmsg_free(msg); |
4c476991 | 5309 | return -ENOBUFS; |
93da9cc1 | 5310 | } |
5311 | ||
b54452b0 | 5312 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5313 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5314 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5315 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5316 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5317 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5318 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5319 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5320 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5321 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5322 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5323 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5324 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5325 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5326 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5327 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5328 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5329 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5330 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5331 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5332 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5333 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5334 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5335 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5336 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5337 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5338 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5339 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5340 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5341 | }; |
5342 | ||
c80d545d JC |
5343 | static const struct nla_policy |
5344 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5345 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5346 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5347 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5348 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5349 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5350 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5351 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5352 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5353 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5354 | }; |
5355 | ||
f151d9db AB |
5356 | static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out) |
5357 | { | |
5358 | u8 val = nla_get_u8(nla); | |
5359 | if (val < min || val > max) | |
5360 | return -EINVAL; | |
5361 | *out = val; | |
5362 | return 0; | |
5363 | } | |
5364 | ||
5365 | static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out) | |
5366 | { | |
5367 | u8 val = nla_get_u8(nla); | |
5368 | if (val < min || val > max) | |
5369 | return -EINVAL; | |
5370 | *out = val; | |
5371 | return 0; | |
5372 | } | |
5373 | ||
5374 | static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out) | |
5375 | { | |
5376 | u16 val = nla_get_u16(nla); | |
5377 | if (val < min || val > max) | |
5378 | return -EINVAL; | |
5379 | *out = val; | |
5380 | return 0; | |
5381 | } | |
5382 | ||
5383 | static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out) | |
5384 | { | |
5385 | u32 val = nla_get_u32(nla); | |
5386 | if (val < min || val > max) | |
5387 | return -EINVAL; | |
5388 | *out = val; | |
5389 | return 0; | |
5390 | } | |
5391 | ||
5392 | static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out) | |
5393 | { | |
5394 | s32 val = nla_get_s32(nla); | |
5395 | if (val < min || val > max) | |
5396 | return -EINVAL; | |
5397 | *out = val; | |
5398 | return 0; | |
5399 | } | |
5400 | ||
ff9a71af JB |
5401 | static int nl80211_check_power_mode(const struct nlattr *nla, |
5402 | enum nl80211_mesh_power_mode min, | |
5403 | enum nl80211_mesh_power_mode max, | |
5404 | enum nl80211_mesh_power_mode *out) | |
5405 | { | |
5406 | u32 val = nla_get_u32(nla); | |
5407 | if (val < min || val > max) | |
5408 | return -EINVAL; | |
5409 | *out = val; | |
5410 | return 0; | |
5411 | } | |
5412 | ||
24bdd9f4 | 5413 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5414 | struct mesh_config *cfg, |
5415 | u32 *mask_out) | |
93da9cc1 | 5416 | { |
93da9cc1 | 5417 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5418 | u32 mask = 0; |
9757235f | 5419 | u16 ht_opmode; |
93da9cc1 | 5420 | |
ea54fba2 MP |
5421 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5422 | do { \ | |
5423 | if (tb[attr]) { \ | |
f151d9db | 5424 | if (fn(tb[attr], min, max, &cfg->param)) \ |
ea54fba2 | 5425 | return -EINVAL; \ |
ea54fba2 MP |
5426 | mask |= (1 << (attr - 1)); \ |
5427 | } \ | |
5428 | } while (0) | |
bd90fdcc | 5429 | |
24bdd9f4 | 5430 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5431 | return -EINVAL; |
5432 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5433 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 5434 | nl80211_meshconf_params_policy)) |
93da9cc1 | 5435 | return -EINVAL; |
5436 | ||
93da9cc1 | 5437 | /* This makes sure that there aren't more than 32 mesh config |
5438 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5439 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5440 | ||
5441 | /* Fill in the params struct */ | |
ea54fba2 | 5442 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea | 5443 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
f151d9db | 5444 | nl80211_check_u16); |
ea54fba2 | 5445 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea | 5446 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
f151d9db | 5447 | nl80211_check_u16); |
ea54fba2 | 5448 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea | 5449 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
f151d9db | 5450 | nl80211_check_u16); |
ea54fba2 | 5451 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea | 5452 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
f151d9db | 5453 | nl80211_check_u16); |
ea54fba2 | 5454 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea | 5455 | mask, NL80211_MESHCONF_MAX_RETRIES, |
f151d9db | 5456 | nl80211_check_u8); |
ea54fba2 | 5457 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
f151d9db | 5458 | mask, NL80211_MESHCONF_TTL, nl80211_check_u8); |
ea54fba2 | 5459 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea | 5460 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
f151d9db | 5461 | nl80211_check_u8); |
ea54fba2 | 5462 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea | 5463 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
f151d9db | 5464 | nl80211_check_bool); |
ea54fba2 MP |
5465 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5466 | 1, 255, mask, | |
a4f606ea | 5467 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
f151d9db | 5468 | nl80211_check_u32); |
ea54fba2 | 5469 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea | 5470 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
f151d9db | 5471 | nl80211_check_u8); |
ea54fba2 | 5472 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea | 5473 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
f151d9db | 5474 | nl80211_check_u32); |
ea54fba2 | 5475 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea | 5476 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
f151d9db | 5477 | nl80211_check_u16); |
ea54fba2 MP |
5478 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5479 | 1, 65535, mask, | |
a4f606ea | 5480 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
f151d9db | 5481 | nl80211_check_u32); |
93da9cc1 | 5482 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5483 | 1, 65535, mask, |
5484 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
f151d9db | 5485 | nl80211_check_u16); |
dca7e943 | 5486 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5487 | 1, 65535, mask, |
5488 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
f151d9db | 5489 | nl80211_check_u16); |
93da9cc1 | 5490 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5491 | dot11MeshHWMPnetDiameterTraversalTime, |
5492 | 1, 65535, mask, | |
a4f606ea | 5493 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
f151d9db | 5494 | nl80211_check_u16); |
ea54fba2 MP |
5495 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5496 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
f151d9db | 5497 | nl80211_check_u8); |
ea54fba2 MP |
5498 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, |
5499 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
f151d9db | 5500 | nl80211_check_u16); |
63c5723b | 5501 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5502 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5503 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
f151d9db | 5504 | nl80211_check_bool); |
ea54fba2 | 5505 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea | 5506 | mask, NL80211_MESHCONF_FORWARDING, |
f151d9db | 5507 | nl80211_check_bool); |
83374fe9 | 5508 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5509 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
f151d9db | 5510 | nl80211_check_s32); |
9757235f MH |
5511 | /* |
5512 | * Check HT operation mode based on | |
5513 | * IEEE 802.11 2012 8.4.2.59 HT Operation element. | |
5514 | */ | |
5515 | if (tb[NL80211_MESHCONF_HT_OPMODE]) { | |
5516 | ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); | |
5517 | ||
5518 | if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | | |
5519 | IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | | |
5520 | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5521 | return -EINVAL; | |
5522 | ||
5523 | if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && | |
5524 | (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5525 | return -EINVAL; | |
5526 | ||
5527 | switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) { | |
5528 | case IEEE80211_HT_OP_MODE_PROTECTION_NONE: | |
5529 | case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: | |
5530 | if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) | |
5531 | return -EINVAL; | |
5532 | break; | |
5533 | case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: | |
5534 | case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: | |
5535 | if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5536 | return -EINVAL; | |
5537 | break; | |
5538 | } | |
5539 | cfg->ht_opmode = ht_opmode; | |
5540 | } | |
ac1073a6 | 5541 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, |
ea54fba2 | 5542 | 1, 65535, mask, |
ac1073a6 | 5543 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
f151d9db | 5544 | nl80211_check_u32); |
ea54fba2 | 5545 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5546 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
f151d9db | 5547 | nl80211_check_u16); |
728b19e5 | 5548 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5549 | dot11MeshHWMPconfirmationInterval, |
5550 | 1, 65535, mask, | |
728b19e5 | 5551 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
f151d9db | 5552 | nl80211_check_u16); |
3b1c5a53 MP |
5553 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5554 | NL80211_MESH_POWER_ACTIVE, | |
5555 | NL80211_MESH_POWER_MAX, | |
5556 | mask, NL80211_MESHCONF_POWER_MODE, | |
ff9a71af | 5557 | nl80211_check_power_mode); |
3b1c5a53 MP |
5558 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, |
5559 | 0, 65535, mask, | |
f151d9db | 5560 | NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16); |
31f909a2 | 5561 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff, |
8e7c0538 | 5562 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, |
f151d9db | 5563 | nl80211_check_u32); |
bd90fdcc JB |
5564 | if (mask_out) |
5565 | *mask_out = mask; | |
c80d545d | 5566 | |
bd90fdcc JB |
5567 | return 0; |
5568 | ||
5569 | #undef FILL_IN_MESH_PARAM_IF_SET | |
5570 | } | |
5571 | ||
c80d545d JC |
5572 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
5573 | struct mesh_setup *setup) | |
5574 | { | |
bb2798d4 | 5575 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
5576 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
5577 | ||
5578 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
5579 | return -EINVAL; | |
5580 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
5581 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
5582 | nl80211_mesh_setup_params_policy)) | |
5583 | return -EINVAL; | |
5584 | ||
d299a1f2 JC |
5585 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
5586 | setup->sync_method = | |
5587 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
5588 | IEEE80211_SYNC_METHOD_VENDOR : | |
5589 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5590 | ||
c80d545d JC |
5591 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5592 | setup->path_sel_proto = | |
5593 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5594 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5595 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5596 | ||
5597 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5598 | setup->path_metric = | |
5599 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5600 | IEEE80211_PATH_METRIC_VENDOR : | |
5601 | IEEE80211_PATH_METRIC_AIRTIME; | |
5602 | ||
581a8b0f | 5603 | if (tb[NL80211_MESH_SETUP_IE]) { |
c80d545d | 5604 | struct nlattr *ieattr = |
581a8b0f | 5605 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5606 | if (!is_valid_ie_attr(ieattr)) |
5607 | return -EINVAL; | |
581a8b0f JC |
5608 | setup->ie = nla_data(ieattr); |
5609 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5610 | } |
bb2798d4 TP |
5611 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5612 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5613 | return -EINVAL; | |
5614 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5615 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5616 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5617 | if (setup->is_secure) |
5618 | setup->user_mpm = true; | |
c80d545d | 5619 | |
6e16d90b CT |
5620 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5621 | if (!setup->user_mpm) | |
5622 | return -EINVAL; | |
5623 | setup->auth_id = | |
5624 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5625 | } | |
5626 | ||
c80d545d JC |
5627 | return 0; |
5628 | } | |
5629 | ||
24bdd9f4 | 5630 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5631 | struct genl_info *info) |
bd90fdcc JB |
5632 | { |
5633 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5634 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5635 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5636 | struct mesh_config cfg; |
5637 | u32 mask; | |
5638 | int err; | |
5639 | ||
29cbe68c JB |
5640 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5641 | return -EOPNOTSUPP; | |
5642 | ||
24bdd9f4 | 5643 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5644 | return -EOPNOTSUPP; |
5645 | ||
24bdd9f4 | 5646 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5647 | if (err) |
5648 | return err; | |
5649 | ||
29cbe68c JB |
5650 | wdev_lock(wdev); |
5651 | if (!wdev->mesh_id_len) | |
5652 | err = -ENOLINK; | |
5653 | ||
5654 | if (!err) | |
e35e4d28 | 5655 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5656 | |
5657 | wdev_unlock(wdev); | |
5658 | ||
5659 | return err; | |
93da9cc1 | 5660 | } |
5661 | ||
ad30ca2c AN |
5662 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
5663 | struct sk_buff *msg) | |
f130347c | 5664 | { |
f130347c LR |
5665 | struct nlattr *nl_reg_rules; |
5666 | unsigned int i; | |
f130347c | 5667 | |
458f4f9e JB |
5668 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
5669 | (regdom->dfs_region && | |
5670 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 5671 | goto nla_put_failure; |
458f4f9e | 5672 | |
f130347c LR |
5673 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5674 | if (!nl_reg_rules) | |
ad30ca2c | 5675 | goto nla_put_failure; |
f130347c | 5676 | |
458f4f9e | 5677 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5678 | struct nlattr *nl_reg_rule; |
5679 | const struct ieee80211_reg_rule *reg_rule; | |
5680 | const struct ieee80211_freq_range *freq_range; | |
5681 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 5682 | unsigned int max_bandwidth_khz; |
f130347c | 5683 | |
458f4f9e | 5684 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5685 | freq_range = ®_rule->freq_range; |
5686 | power_rule = ®_rule->power_rule; | |
5687 | ||
5688 | nl_reg_rule = nla_nest_start(msg, i); | |
5689 | if (!nl_reg_rule) | |
ad30ca2c | 5690 | goto nla_put_failure; |
f130347c | 5691 | |
97524820 JD |
5692 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
5693 | if (!max_bandwidth_khz) | |
5694 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
5695 | reg_rule); | |
5696 | ||
9360ffd1 DM |
5697 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5698 | reg_rule->flags) || | |
5699 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5700 | freq_range->start_freq_khz) || | |
5701 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5702 | freq_range->end_freq_khz) || | |
5703 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 5704 | max_bandwidth_khz) || |
9360ffd1 DM |
5705 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
5706 | power_rule->max_antenna_gain) || | |
5707 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
5708 | power_rule->max_eirp) || |
5709 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
5710 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 5711 | goto nla_put_failure; |
f130347c LR |
5712 | |
5713 | nla_nest_end(msg, nl_reg_rule); | |
5714 | } | |
5715 | ||
5716 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
5717 | return 0; |
5718 | ||
5719 | nla_put_failure: | |
5720 | return -EMSGSIZE; | |
5721 | } | |
5722 | ||
5723 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
5724 | { | |
5725 | const struct ieee80211_regdomain *regdom = NULL; | |
5726 | struct cfg80211_registered_device *rdev; | |
5727 | struct wiphy *wiphy = NULL; | |
5728 | struct sk_buff *msg; | |
5729 | void *hdr; | |
5730 | ||
5731 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5732 | if (!msg) | |
5733 | return -ENOBUFS; | |
5734 | ||
5735 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
5736 | NL80211_CMD_GET_REG); | |
5737 | if (!hdr) | |
5738 | goto put_failure; | |
5739 | ||
5740 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
1bdd716c AN |
5741 | bool self_managed; |
5742 | ||
ad30ca2c AN |
5743 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
5744 | if (IS_ERR(rdev)) { | |
5745 | nlmsg_free(msg); | |
5746 | return PTR_ERR(rdev); | |
5747 | } | |
5748 | ||
5749 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
5750 | self_managed = wiphy->regulatory_flags & |
5751 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
5752 | regdom = get_wiphy_regdom(wiphy); |
5753 | ||
1bdd716c AN |
5754 | /* a self-managed-reg device must have a private regdom */ |
5755 | if (WARN_ON(!regdom && self_managed)) { | |
5756 | nlmsg_free(msg); | |
5757 | return -EINVAL; | |
5758 | } | |
5759 | ||
ad30ca2c AN |
5760 | if (regdom && |
5761 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
5762 | goto nla_put_failure; | |
5763 | } | |
5764 | ||
5765 | if (!wiphy && reg_last_request_cell_base() && | |
5766 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5767 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5768 | goto nla_put_failure; | |
5769 | ||
5770 | rcu_read_lock(); | |
5771 | ||
5772 | if (!regdom) | |
5773 | regdom = rcu_dereference(cfg80211_regdomain); | |
5774 | ||
5775 | if (nl80211_put_regdom(regdom, msg)) | |
5776 | goto nla_put_failure_rcu; | |
5777 | ||
5778 | rcu_read_unlock(); | |
f130347c LR |
5779 | |
5780 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5781 | return genlmsg_reply(msg, info); |
f130347c | 5782 | |
458f4f9e JB |
5783 | nla_put_failure_rcu: |
5784 | rcu_read_unlock(); | |
f130347c LR |
5785 | nla_put_failure: |
5786 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5787 | put_failure: |
d080e275 | 5788 | nlmsg_free(msg); |
5fe231e8 | 5789 | return -EMSGSIZE; |
f130347c LR |
5790 | } |
5791 | ||
ad30ca2c AN |
5792 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
5793 | u32 seq, int flags, struct wiphy *wiphy, | |
5794 | const struct ieee80211_regdomain *regdom) | |
5795 | { | |
5796 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
5797 | NL80211_CMD_GET_REG); | |
5798 | ||
5799 | if (!hdr) | |
5800 | return -1; | |
5801 | ||
5802 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); | |
5803 | ||
5804 | if (nl80211_put_regdom(regdom, msg)) | |
5805 | goto nla_put_failure; | |
5806 | ||
5807 | if (!wiphy && reg_last_request_cell_base() && | |
5808 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5809 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5810 | goto nla_put_failure; | |
5811 | ||
5812 | if (wiphy && | |
5813 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
5814 | goto nla_put_failure; | |
5815 | ||
1bdd716c AN |
5816 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
5817 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
5818 | goto nla_put_failure; | |
5819 | ||
053c095a JB |
5820 | genlmsg_end(msg, hdr); |
5821 | return 0; | |
ad30ca2c AN |
5822 | |
5823 | nla_put_failure: | |
5824 | genlmsg_cancel(msg, hdr); | |
5825 | return -EMSGSIZE; | |
5826 | } | |
5827 | ||
5828 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
5829 | struct netlink_callback *cb) | |
5830 | { | |
5831 | const struct ieee80211_regdomain *regdom = NULL; | |
5832 | struct cfg80211_registered_device *rdev; | |
5833 | int err, reg_idx, start = cb->args[2]; | |
5834 | ||
5835 | rtnl_lock(); | |
5836 | ||
5837 | if (cfg80211_regdomain && start == 0) { | |
5838 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
5839 | NLM_F_MULTI, NULL, | |
5840 | rtnl_dereference(cfg80211_regdomain)); | |
5841 | if (err < 0) | |
5842 | goto out_err; | |
5843 | } | |
5844 | ||
5845 | /* the global regdom is idx 0 */ | |
5846 | reg_idx = 1; | |
5847 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
5848 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
5849 | if (!regdom) | |
5850 | continue; | |
5851 | ||
5852 | if (++reg_idx <= start) | |
5853 | continue; | |
5854 | ||
5855 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
5856 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
5857 | if (err < 0) { | |
5858 | reg_idx--; | |
5859 | break; | |
5860 | } | |
5861 | } | |
5862 | ||
5863 | cb->args[2] = reg_idx; | |
5864 | err = skb->len; | |
5865 | out_err: | |
5866 | rtnl_unlock(); | |
5867 | return err; | |
5868 | } | |
5869 | ||
b6863036 JB |
5870 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
5871 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
5872 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
5873 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
5874 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
5875 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
5876 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
5877 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
5878 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, | |
5879 | }; | |
5880 | ||
5881 | static int parse_reg_rule(struct nlattr *tb[], | |
5882 | struct ieee80211_reg_rule *reg_rule) | |
5883 | { | |
5884 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
5885 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
5886 | ||
5887 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
5888 | return -EINVAL; | |
5889 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
5890 | return -EINVAL; | |
5891 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
5892 | return -EINVAL; | |
5893 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
5894 | return -EINVAL; | |
5895 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
5896 | return -EINVAL; | |
5897 | ||
5898 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
5899 | ||
5900 | freq_range->start_freq_khz = | |
5901 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
5902 | freq_range->end_freq_khz = | |
5903 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
5904 | freq_range->max_bandwidth_khz = | |
5905 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
5906 | ||
5907 | power_rule->max_eirp = | |
5908 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
5909 | ||
5910 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
5911 | power_rule->max_antenna_gain = | |
5912 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
5913 | ||
5914 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) | |
5915 | reg_rule->dfs_cac_ms = | |
5916 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
5917 | ||
5918 | return 0; | |
5919 | } | |
5920 | ||
b2e1b302 LR |
5921 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5922 | { | |
5923 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5924 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
5925 | char *alpha2; |
5926 | int rem_reg_rules, r; | |
b2e1b302 | 5927 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 5928 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 5929 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
5930 | |
5931 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5932 | return -EINVAL; | |
5933 | ||
5934 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5935 | return -EINVAL; | |
5936 | ||
5937 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5938 | ||
8b60b078 LR |
5939 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5940 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5941 | ||
b2e1b302 | 5942 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5943 | rem_reg_rules) { |
b2e1b302 LR |
5944 | num_rules++; |
5945 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5946 | return -EINVAL; |
b2e1b302 LR |
5947 | } |
5948 | ||
e438768f LR |
5949 | if (!reg_is_valid_request(alpha2)) |
5950 | return -EINVAL; | |
5951 | ||
b2e1b302 | 5952 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5953 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5954 | |
5955 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5956 | if (!rd) |
5957 | return -ENOMEM; | |
b2e1b302 LR |
5958 | |
5959 | rd->n_reg_rules = num_rules; | |
5960 | rd->alpha2[0] = alpha2[0]; | |
5961 | rd->alpha2[1] = alpha2[1]; | |
5962 | ||
8b60b078 LR |
5963 | /* |
5964 | * Disable DFS master mode if the DFS region was | |
5965 | * not supported or known on this kernel. | |
5966 | */ | |
5967 | if (reg_supported_dfs_region(dfs_region)) | |
5968 | rd->dfs_region = dfs_region; | |
5969 | ||
b2e1b302 | 5970 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5971 | rem_reg_rules) { |
ae811e21 JB |
5972 | r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
5973 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
5974 | reg_rule_policy); | |
5975 | if (r) | |
5976 | goto bad_reg; | |
b2e1b302 LR |
5977 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5978 | if (r) | |
5979 | goto bad_reg; | |
5980 | ||
5981 | rule_idx++; | |
5982 | ||
d0e18f83 LR |
5983 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5984 | r = -EINVAL; | |
b2e1b302 | 5985 | goto bad_reg; |
d0e18f83 | 5986 | } |
b2e1b302 LR |
5987 | } |
5988 | ||
06627990 JB |
5989 | /* set_regdom takes ownership of rd */ |
5990 | return set_regdom(rd, REGD_SOURCE_CRDA); | |
d2372b31 | 5991 | bad_reg: |
b2e1b302 | 5992 | kfree(rd); |
d0e18f83 | 5993 | return r; |
b2e1b302 | 5994 | } |
b6863036 | 5995 | #endif /* CONFIG_CFG80211_CRDA_SUPPORT */ |
b2e1b302 | 5996 | |
83f5e2cf JB |
5997 | static int validate_scan_freqs(struct nlattr *freqs) |
5998 | { | |
5999 | struct nlattr *attr1, *attr2; | |
6000 | int n_channels = 0, tmp1, tmp2; | |
6001 | ||
6002 | nla_for_each_nested(attr1, freqs, tmp1) { | |
6003 | n_channels++; | |
6004 | /* | |
6005 | * Some hardware has a limited channel list for | |
6006 | * scanning, and it is pretty much nonsensical | |
6007 | * to scan for a channel twice, so disallow that | |
6008 | * and don't require drivers to check that the | |
6009 | * channel list they get isn't longer than what | |
6010 | * they can scan, as long as they can scan all | |
6011 | * the channels they registered at once. | |
6012 | */ | |
6013 | nla_for_each_nested(attr2, freqs, tmp2) | |
6014 | if (attr1 != attr2 && | |
6015 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
6016 | return 0; | |
6017 | } | |
6018 | ||
6019 | return n_channels; | |
6020 | } | |
6021 | ||
57fbcce3 | 6022 | static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b) |
38de03d2 | 6023 | { |
57fbcce3 | 6024 | return b < NUM_NL80211_BANDS && wiphy->bands[b]; |
38de03d2 AS |
6025 | } |
6026 | ||
6027 | static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, | |
6028 | struct cfg80211_bss_selection *bss_select) | |
6029 | { | |
6030 | struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1]; | |
6031 | struct nlattr *nest; | |
6032 | int err; | |
6033 | bool found = false; | |
6034 | int i; | |
6035 | ||
6036 | /* only process one nested attribute */ | |
6037 | nest = nla_data(nla); | |
6038 | if (!nla_ok(nest, nla_len(nest))) | |
6039 | return -EINVAL; | |
6040 | ||
6041 | err = nla_parse(attr, NL80211_BSS_SELECT_ATTR_MAX, nla_data(nest), | |
6042 | nla_len(nest), nl80211_bss_select_policy); | |
6043 | if (err) | |
6044 | return err; | |
6045 | ||
6046 | /* only one attribute may be given */ | |
6047 | for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) { | |
6048 | if (attr[i]) { | |
6049 | if (found) | |
6050 | return -EINVAL; | |
6051 | found = true; | |
6052 | } | |
6053 | } | |
6054 | ||
6055 | bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID; | |
6056 | ||
6057 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI]) | |
6058 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI; | |
6059 | ||
6060 | if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) { | |
6061 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF; | |
6062 | bss_select->param.band_pref = | |
6063 | nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]); | |
6064 | if (!is_band_valid(wiphy, bss_select->param.band_pref)) | |
6065 | return -EINVAL; | |
6066 | } | |
6067 | ||
6068 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) { | |
6069 | struct nl80211_bss_select_rssi_adjust *adj_param; | |
6070 | ||
6071 | adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]); | |
6072 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST; | |
6073 | bss_select->param.adjust.band = adj_param->band; | |
6074 | bss_select->param.adjust.delta = adj_param->delta; | |
6075 | if (!is_band_valid(wiphy, bss_select->param.adjust.band)) | |
6076 | return -EINVAL; | |
6077 | } | |
6078 | ||
6079 | /* user-space did not provide behaviour attribute */ | |
6080 | if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID) | |
6081 | return -EINVAL; | |
6082 | ||
6083 | if (!(wiphy->bss_select_support & BIT(bss_select->behaviour))) | |
6084 | return -EINVAL; | |
6085 | ||
6086 | return 0; | |
6087 | } | |
6088 | ||
ad2b26ab JB |
6089 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
6090 | u8 *mac_addr, u8 *mac_addr_mask) | |
6091 | { | |
6092 | int i; | |
6093 | ||
6094 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
6095 | eth_zero_addr(mac_addr); |
6096 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
6097 | mac_addr[0] = 0x2; |
6098 | mac_addr_mask[0] = 0x3; | |
6099 | ||
6100 | return 0; | |
6101 | } | |
6102 | ||
6103 | /* need both or none */ | |
6104 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
6105 | return -EINVAL; | |
6106 | ||
6107 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
6108 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
6109 | ||
6110 | /* don't allow or configure an mcast address */ | |
6111 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
6112 | is_multicast_ether_addr(mac_addr)) | |
6113 | return -EINVAL; | |
6114 | ||
6115 | /* | |
6116 | * allow users to pass a MAC address that has bits set outside | |
6117 | * of the mask, but don't bother drivers with having to deal | |
6118 | * with such bits | |
6119 | */ | |
6120 | for (i = 0; i < ETH_ALEN; i++) | |
6121 | mac_addr[i] &= mac_addr_mask[i]; | |
6122 | ||
6123 | return 0; | |
6124 | } | |
6125 | ||
2a519311 JB |
6126 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
6127 | { | |
4c476991 | 6128 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 6129 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 6130 | struct cfg80211_scan_request *request; |
2a519311 JB |
6131 | struct nlattr *attr; |
6132 | struct wiphy *wiphy; | |
83f5e2cf | 6133 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 6134 | size_t ie_len; |
2a519311 | 6135 | |
f4a11bb0 JB |
6136 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6137 | return -EINVAL; | |
6138 | ||
79c97e97 | 6139 | wiphy = &rdev->wiphy; |
2a519311 | 6140 | |
4c476991 JB |
6141 | if (!rdev->ops->scan) |
6142 | return -EOPNOTSUPP; | |
2a519311 | 6143 | |
f9d15d16 | 6144 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
6145 | err = -EBUSY; |
6146 | goto unlock; | |
6147 | } | |
2a519311 JB |
6148 | |
6149 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
6150 | n_channels = validate_scan_freqs( |
6151 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
6152 | if (!n_channels) { |
6153 | err = -EINVAL; | |
6154 | goto unlock; | |
6155 | } | |
2a519311 | 6156 | } else { |
bdfbec2d | 6157 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
6158 | } |
6159 | ||
6160 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
6161 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
6162 | n_ssids++; | |
6163 | ||
f9f47529 JB |
6164 | if (n_ssids > wiphy->max_scan_ssids) { |
6165 | err = -EINVAL; | |
6166 | goto unlock; | |
6167 | } | |
2a519311 | 6168 | |
70692ad2 JM |
6169 | if (info->attrs[NL80211_ATTR_IE]) |
6170 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6171 | else | |
6172 | ie_len = 0; | |
6173 | ||
f9f47529 JB |
6174 | if (ie_len > wiphy->max_scan_ie_len) { |
6175 | err = -EINVAL; | |
6176 | goto unlock; | |
6177 | } | |
18a83659 | 6178 | |
2a519311 | 6179 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
6180 | + sizeof(*request->ssids) * n_ssids |
6181 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 6182 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
6183 | if (!request) { |
6184 | err = -ENOMEM; | |
6185 | goto unlock; | |
6186 | } | |
2a519311 | 6187 | |
2a519311 | 6188 | if (n_ssids) |
5ba63533 | 6189 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 6190 | request->n_ssids = n_ssids; |
70692ad2 | 6191 | if (ie_len) { |
13874e4b | 6192 | if (n_ssids) |
70692ad2 JM |
6193 | request->ie = (void *)(request->ssids + n_ssids); |
6194 | else | |
6195 | request->ie = (void *)(request->channels + n_channels); | |
6196 | } | |
2a519311 | 6197 | |
584991dc | 6198 | i = 0; |
2a519311 JB |
6199 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
6200 | /* user specified, bail out if channel not found */ | |
2a519311 | 6201 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
6202 | struct ieee80211_channel *chan; |
6203 | ||
6204 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6205 | ||
6206 | if (!chan) { | |
2a519311 JB |
6207 | err = -EINVAL; |
6208 | goto out_free; | |
6209 | } | |
584991dc JB |
6210 | |
6211 | /* ignore disabled channels */ | |
6212 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6213 | continue; | |
6214 | ||
6215 | request->channels[i] = chan; | |
2a519311 JB |
6216 | i++; |
6217 | } | |
6218 | } else { | |
57fbcce3 | 6219 | enum nl80211_band band; |
34850ab2 | 6220 | |
2a519311 | 6221 | /* all channels */ |
57fbcce3 | 6222 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
2a519311 | 6223 | int j; |
7a087e74 | 6224 | |
2a519311 JB |
6225 | if (!wiphy->bands[band]) |
6226 | continue; | |
6227 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
6228 | struct ieee80211_channel *chan; |
6229 | ||
6230 | chan = &wiphy->bands[band]->channels[j]; | |
6231 | ||
6232 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6233 | continue; | |
6234 | ||
6235 | request->channels[i] = chan; | |
2a519311 JB |
6236 | i++; |
6237 | } | |
6238 | } | |
6239 | } | |
6240 | ||
584991dc JB |
6241 | if (!i) { |
6242 | err = -EINVAL; | |
6243 | goto out_free; | |
6244 | } | |
6245 | ||
6246 | request->n_channels = i; | |
6247 | ||
2a519311 | 6248 | i = 0; |
13874e4b | 6249 | if (n_ssids) { |
2a519311 | 6250 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 6251 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
6252 | err = -EINVAL; |
6253 | goto out_free; | |
6254 | } | |
57a27e1d | 6255 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 6256 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
6257 | i++; |
6258 | } | |
6259 | } | |
6260 | ||
70692ad2 JM |
6261 | if (info->attrs[NL80211_ATTR_IE]) { |
6262 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
6263 | memcpy((void *)request->ie, |
6264 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
6265 | request->ie_len); |
6266 | } | |
6267 | ||
57fbcce3 | 6268 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
a401d2bb JB |
6269 | if (wiphy->bands[i]) |
6270 | request->rates[i] = | |
6271 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
6272 | |
6273 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
6274 | nla_for_each_nested(attr, | |
6275 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
6276 | tmp) { | |
57fbcce3 | 6277 | enum nl80211_band band = nla_type(attr); |
34850ab2 | 6278 | |
57fbcce3 | 6279 | if (band < 0 || band >= NUM_NL80211_BANDS) { |
34850ab2 JB |
6280 | err = -EINVAL; |
6281 | goto out_free; | |
6282 | } | |
1b09cd82 FF |
6283 | |
6284 | if (!wiphy->bands[band]) | |
6285 | continue; | |
6286 | ||
34850ab2 JB |
6287 | err = ieee80211_get_ratemask(wiphy->bands[band], |
6288 | nla_data(attr), | |
6289 | nla_len(attr), | |
6290 | &request->rates[band]); | |
6291 | if (err) | |
6292 | goto out_free; | |
6293 | } | |
6294 | } | |
6295 | ||
1d76250b AS |
6296 | if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { |
6297 | if (!wiphy_ext_feature_isset(wiphy, | |
6298 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) { | |
6299 | err = -EOPNOTSUPP; | |
6300 | goto out_free; | |
6301 | } | |
6302 | ||
6303 | request->duration = | |
6304 | nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); | |
6305 | request->duration_mandatory = | |
6306 | nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); | |
6307 | } | |
6308 | ||
46856bbf | 6309 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
6310 | request->flags = nla_get_u32( |
6311 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
6312 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6313 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6314 | err = -EOPNOTSUPP; |
6315 | goto out_free; | |
6316 | } | |
ad2b26ab JB |
6317 | |
6318 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6319 | if (!(wiphy->features & | |
6320 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) { | |
6321 | err = -EOPNOTSUPP; | |
6322 | goto out_free; | |
6323 | } | |
6324 | ||
6325 | if (wdev->current_bss) { | |
6326 | err = -EOPNOTSUPP; | |
6327 | goto out_free; | |
6328 | } | |
6329 | ||
6330 | err = nl80211_parse_random_mac(info->attrs, | |
6331 | request->mac_addr, | |
6332 | request->mac_addr_mask); | |
6333 | if (err) | |
6334 | goto out_free; | |
6335 | } | |
46856bbf | 6336 | } |
ed473771 | 6337 | |
e9f935e3 RM |
6338 | request->no_cck = |
6339 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
6340 | ||
818965d3 JM |
6341 | if (info->attrs[NL80211_ATTR_MAC]) |
6342 | memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), | |
6343 | ETH_ALEN); | |
6344 | else | |
6345 | eth_broadcast_addr(request->bssid); | |
6346 | ||
fd014284 | 6347 | request->wdev = wdev; |
79c97e97 | 6348 | request->wiphy = &rdev->wiphy; |
15d6030b | 6349 | request->scan_start = jiffies; |
2a519311 | 6350 | |
79c97e97 | 6351 | rdev->scan_req = request; |
e35e4d28 | 6352 | err = rdev_scan(rdev, request); |
2a519311 | 6353 | |
463d0183 | 6354 | if (!err) { |
fd014284 JB |
6355 | nl80211_send_scan_start(rdev, wdev); |
6356 | if (wdev->netdev) | |
6357 | dev_hold(wdev->netdev); | |
4c476991 | 6358 | } else { |
2a519311 | 6359 | out_free: |
79c97e97 | 6360 | rdev->scan_req = NULL; |
2a519311 JB |
6361 | kfree(request); |
6362 | } | |
3b85875a | 6363 | |
f9f47529 | 6364 | unlock: |
2a519311 JB |
6365 | return err; |
6366 | } | |
6367 | ||
91d3ab46 VK |
6368 | static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) |
6369 | { | |
6370 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6371 | struct wireless_dev *wdev = info->user_ptr[1]; | |
6372 | ||
6373 | if (!rdev->ops->abort_scan) | |
6374 | return -EOPNOTSUPP; | |
6375 | ||
6376 | if (rdev->scan_msg) | |
6377 | return 0; | |
6378 | ||
6379 | if (!rdev->scan_req) | |
6380 | return -ENOENT; | |
6381 | ||
6382 | rdev_abort_scan(rdev, wdev); | |
6383 | return 0; | |
6384 | } | |
6385 | ||
3b06d277 AS |
6386 | static int |
6387 | nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, | |
6388 | struct cfg80211_sched_scan_request *request, | |
6389 | struct nlattr **attrs) | |
6390 | { | |
6391 | int tmp, err, i = 0; | |
6392 | struct nlattr *attr; | |
6393 | ||
6394 | if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { | |
6395 | u32 interval; | |
6396 | ||
6397 | /* | |
6398 | * If scan plans are not specified, | |
6399 | * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this | |
6400 | * case one scan plan will be set with the specified scan | |
6401 | * interval and infinite number of iterations. | |
6402 | */ | |
6403 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6404 | return -EINVAL; | |
6405 | ||
6406 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
6407 | if (!interval) | |
6408 | return -EINVAL; | |
6409 | ||
6410 | request->scan_plans[0].interval = | |
6411 | DIV_ROUND_UP(interval, MSEC_PER_SEC); | |
6412 | if (!request->scan_plans[0].interval) | |
6413 | return -EINVAL; | |
6414 | ||
6415 | if (request->scan_plans[0].interval > | |
6416 | wiphy->max_sched_scan_plan_interval) | |
6417 | request->scan_plans[0].interval = | |
6418 | wiphy->max_sched_scan_plan_interval; | |
6419 | ||
6420 | return 0; | |
6421 | } | |
6422 | ||
6423 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) { | |
6424 | struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1]; | |
6425 | ||
6426 | if (WARN_ON(i >= n_plans)) | |
6427 | return -EINVAL; | |
6428 | ||
6429 | err = nla_parse(plan, NL80211_SCHED_SCAN_PLAN_MAX, | |
6430 | nla_data(attr), nla_len(attr), | |
6431 | nl80211_plan_policy); | |
6432 | if (err) | |
6433 | return err; | |
6434 | ||
6435 | if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]) | |
6436 | return -EINVAL; | |
6437 | ||
6438 | request->scan_plans[i].interval = | |
6439 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]); | |
6440 | if (!request->scan_plans[i].interval || | |
6441 | request->scan_plans[i].interval > | |
6442 | wiphy->max_sched_scan_plan_interval) | |
6443 | return -EINVAL; | |
6444 | ||
6445 | if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) { | |
6446 | request->scan_plans[i].iterations = | |
6447 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]); | |
6448 | if (!request->scan_plans[i].iterations || | |
6449 | (request->scan_plans[i].iterations > | |
6450 | wiphy->max_sched_scan_plan_iterations)) | |
6451 | return -EINVAL; | |
6452 | } else if (i < n_plans - 1) { | |
6453 | /* | |
6454 | * All scan plans but the last one must specify | |
6455 | * a finite number of iterations | |
6456 | */ | |
6457 | return -EINVAL; | |
6458 | } | |
6459 | ||
6460 | i++; | |
6461 | } | |
6462 | ||
6463 | /* | |
6464 | * The last scan plan must not specify the number of | |
6465 | * iterations, it is supposed to run infinitely | |
6466 | */ | |
6467 | if (request->scan_plans[n_plans - 1].iterations) | |
6468 | return -EINVAL; | |
6469 | ||
6470 | return 0; | |
6471 | } | |
6472 | ||
256da02d | 6473 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 6474 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
256da02d | 6475 | struct nlattr **attrs) |
807f8a8c LC |
6476 | { |
6477 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 6478 | struct nlattr *attr; |
3b06d277 | 6479 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0; |
57fbcce3 | 6480 | enum nl80211_band band; |
807f8a8c | 6481 | size_t ie_len; |
a1f1c21c | 6482 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 6483 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 6484 | |
256da02d LC |
6485 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
6486 | return ERR_PTR(-EINVAL); | |
807f8a8c | 6487 | |
256da02d | 6488 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 6489 | n_channels = validate_scan_freqs( |
256da02d | 6490 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 6491 | if (!n_channels) |
256da02d | 6492 | return ERR_PTR(-EINVAL); |
807f8a8c | 6493 | } else { |
bdfbec2d | 6494 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
6495 | } |
6496 | ||
256da02d LC |
6497 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
6498 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
6499 | tmp) |
6500 | n_ssids++; | |
6501 | ||
93b6aa69 | 6502 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 6503 | return ERR_PTR(-EINVAL); |
807f8a8c | 6504 | |
ea73cbce JB |
6505 | /* |
6506 | * First, count the number of 'real' matchsets. Due to an issue with | |
6507 | * the old implementation, matchsets containing only the RSSI attribute | |
6508 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
6509 | * RSSI for all matchsets, rather than their own matchset for reporting | |
6510 | * all APs with a strong RSSI. This is needed to be compatible with | |
6511 | * older userspace that treated a matchset with only the RSSI as the | |
6512 | * global RSSI for all other matchsets - if there are other matchsets. | |
6513 | */ | |
256da02d | 6514 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 6515 | nla_for_each_nested(attr, |
256da02d | 6516 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
6517 | tmp) { |
6518 | struct nlattr *rssi; | |
6519 | ||
6520 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
6521 | nla_data(attr), nla_len(attr), | |
6522 | nl80211_match_policy); | |
6523 | if (err) | |
256da02d | 6524 | return ERR_PTR(err); |
ea73cbce JB |
6525 | /* add other standalone attributes here */ |
6526 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
6527 | n_match_sets++; | |
6528 | continue; | |
6529 | } | |
6530 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
6531 | if (rssi) | |
6532 | default_match_rssi = nla_get_s32(rssi); | |
6533 | } | |
6534 | } | |
6535 | ||
6536 | /* However, if there's no other matchset, add the RSSI one */ | |
6537 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
6538 | n_match_sets = 1; | |
a1f1c21c LC |
6539 | |
6540 | if (n_match_sets > wiphy->max_match_sets) | |
256da02d | 6541 | return ERR_PTR(-EINVAL); |
a1f1c21c | 6542 | |
256da02d LC |
6543 | if (attrs[NL80211_ATTR_IE]) |
6544 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
6545 | else |
6546 | ie_len = 0; | |
6547 | ||
5a865bad | 6548 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 6549 | return ERR_PTR(-EINVAL); |
c10841ca | 6550 | |
3b06d277 AS |
6551 | if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { |
6552 | /* | |
6553 | * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since | |
6554 | * each scan plan already specifies its own interval | |
6555 | */ | |
6556 | if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6557 | return ERR_PTR(-EINVAL); | |
6558 | ||
6559 | nla_for_each_nested(attr, | |
6560 | attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) | |
6561 | n_plans++; | |
6562 | } else { | |
6563 | /* | |
6564 | * The scan interval attribute is kept for backward | |
6565 | * compatibility. If no scan plans are specified and sched scan | |
6566 | * interval is specified, one scan plan will be set with this | |
6567 | * scan interval and infinite number of iterations. | |
6568 | */ | |
6569 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6570 | return ERR_PTR(-EINVAL); | |
6571 | ||
6572 | n_plans = 1; | |
6573 | } | |
6574 | ||
6575 | if (!n_plans || n_plans > wiphy->max_sched_scan_plans) | |
6576 | return ERR_PTR(-EINVAL); | |
6577 | ||
807f8a8c | 6578 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 6579 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 6580 | + sizeof(*request->match_sets) * n_match_sets |
3b06d277 | 6581 | + sizeof(*request->scan_plans) * n_plans |
a2cd43c5 | 6582 | + sizeof(*request->channels) * n_channels |
807f8a8c | 6583 | + ie_len, GFP_KERNEL); |
256da02d LC |
6584 | if (!request) |
6585 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
6586 | |
6587 | if (n_ssids) | |
6588 | request->ssids = (void *)&request->channels[n_channels]; | |
6589 | request->n_ssids = n_ssids; | |
6590 | if (ie_len) { | |
13874e4b | 6591 | if (n_ssids) |
807f8a8c LC |
6592 | request->ie = (void *)(request->ssids + n_ssids); |
6593 | else | |
6594 | request->ie = (void *)(request->channels + n_channels); | |
6595 | } | |
6596 | ||
a1f1c21c LC |
6597 | if (n_match_sets) { |
6598 | if (request->ie) | |
6599 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 6600 | else if (n_ssids) |
a1f1c21c LC |
6601 | request->match_sets = |
6602 | (void *)(request->ssids + n_ssids); | |
6603 | else | |
6604 | request->match_sets = | |
6605 | (void *)(request->channels + n_channels); | |
6606 | } | |
6607 | request->n_match_sets = n_match_sets; | |
6608 | ||
3b06d277 AS |
6609 | if (n_match_sets) |
6610 | request->scan_plans = (void *)(request->match_sets + | |
6611 | n_match_sets); | |
6612 | else if (request->ie) | |
6613 | request->scan_plans = (void *)(request->ie + ie_len); | |
6614 | else if (n_ssids) | |
6615 | request->scan_plans = (void *)(request->ssids + n_ssids); | |
6616 | else | |
6617 | request->scan_plans = (void *)(request->channels + n_channels); | |
6618 | ||
6619 | request->n_scan_plans = n_plans; | |
6620 | ||
807f8a8c | 6621 | i = 0; |
256da02d | 6622 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
6623 | /* user specified, bail out if channel not found */ |
6624 | nla_for_each_nested(attr, | |
256da02d | 6625 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
6626 | tmp) { |
6627 | struct ieee80211_channel *chan; | |
6628 | ||
6629 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6630 | ||
6631 | if (!chan) { | |
6632 | err = -EINVAL; | |
6633 | goto out_free; | |
6634 | } | |
6635 | ||
6636 | /* ignore disabled channels */ | |
6637 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6638 | continue; | |
6639 | ||
6640 | request->channels[i] = chan; | |
6641 | i++; | |
6642 | } | |
6643 | } else { | |
6644 | /* all channels */ | |
57fbcce3 | 6645 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
807f8a8c | 6646 | int j; |
7a087e74 | 6647 | |
807f8a8c LC |
6648 | if (!wiphy->bands[band]) |
6649 | continue; | |
6650 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
6651 | struct ieee80211_channel *chan; | |
6652 | ||
6653 | chan = &wiphy->bands[band]->channels[j]; | |
6654 | ||
6655 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6656 | continue; | |
6657 | ||
6658 | request->channels[i] = chan; | |
6659 | i++; | |
6660 | } | |
6661 | } | |
6662 | } | |
6663 | ||
6664 | if (!i) { | |
6665 | err = -EINVAL; | |
6666 | goto out_free; | |
6667 | } | |
6668 | ||
6669 | request->n_channels = i; | |
6670 | ||
6671 | i = 0; | |
13874e4b | 6672 | if (n_ssids) { |
256da02d | 6673 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 6674 | tmp) { |
57a27e1d | 6675 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
6676 | err = -EINVAL; |
6677 | goto out_free; | |
6678 | } | |
57a27e1d | 6679 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
6680 | memcpy(request->ssids[i].ssid, nla_data(attr), |
6681 | nla_len(attr)); | |
807f8a8c LC |
6682 | i++; |
6683 | } | |
6684 | } | |
6685 | ||
a1f1c21c | 6686 | i = 0; |
256da02d | 6687 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 6688 | nla_for_each_nested(attr, |
256da02d | 6689 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 6690 | tmp) { |
88e920b4 | 6691 | struct nlattr *ssid, *rssi; |
a1f1c21c | 6692 | |
ae811e21 JB |
6693 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, |
6694 | nla_data(attr), nla_len(attr), | |
6695 | nl80211_match_policy); | |
6696 | if (err) | |
6697 | goto out_free; | |
4a4ab0d7 | 6698 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 6699 | if (ssid) { |
ea73cbce JB |
6700 | if (WARN_ON(i >= n_match_sets)) { |
6701 | /* this indicates a programming error, | |
6702 | * the loop above should have verified | |
6703 | * things properly | |
6704 | */ | |
6705 | err = -EINVAL; | |
6706 | goto out_free; | |
6707 | } | |
6708 | ||
a1f1c21c LC |
6709 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
6710 | err = -EINVAL; | |
6711 | goto out_free; | |
6712 | } | |
6713 | memcpy(request->match_sets[i].ssid.ssid, | |
6714 | nla_data(ssid), nla_len(ssid)); | |
6715 | request->match_sets[i].ssid.ssid_len = | |
6716 | nla_len(ssid); | |
56ab364f | 6717 | /* special attribute - old implementation w/a */ |
ea73cbce JB |
6718 | request->match_sets[i].rssi_thold = |
6719 | default_match_rssi; | |
6720 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
6721 | if (rssi) | |
6722 | request->match_sets[i].rssi_thold = | |
6723 | nla_get_s32(rssi); | |
a1f1c21c LC |
6724 | } |
6725 | i++; | |
6726 | } | |
ea73cbce JB |
6727 | |
6728 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 6729 | if (i == 0 && n_match_sets) |
ea73cbce JB |
6730 | request->match_sets[0].rssi_thold = default_match_rssi; |
6731 | ||
6732 | request->min_rssi_thold = INT_MAX; | |
6733 | for (i = 0; i < n_match_sets; i++) | |
6734 | request->min_rssi_thold = | |
6735 | min(request->match_sets[i].rssi_thold, | |
6736 | request->min_rssi_thold); | |
6737 | } else { | |
6738 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
6739 | } |
6740 | ||
9900e484 JB |
6741 | if (ie_len) { |
6742 | request->ie_len = ie_len; | |
807f8a8c | 6743 | memcpy((void *)request->ie, |
256da02d | 6744 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
6745 | request->ie_len); |
6746 | } | |
6747 | ||
256da02d | 6748 | if (attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 | 6749 | request->flags = nla_get_u32( |
256da02d | 6750 | attrs[NL80211_ATTR_SCAN_FLAGS]); |
00c3a6ed JB |
6751 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6752 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6753 | err = -EOPNOTSUPP; |
6754 | goto out_free; | |
6755 | } | |
ad2b26ab JB |
6756 | |
6757 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6758 | u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
6759 | ||
6760 | if (!wdev) /* must be net-detect */ | |
6761 | flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
6762 | ||
6763 | if (!(wiphy->features & flg)) { | |
6764 | err = -EOPNOTSUPP; | |
6765 | goto out_free; | |
6766 | } | |
6767 | ||
6768 | if (wdev && wdev->current_bss) { | |
6769 | err = -EOPNOTSUPP; | |
6770 | goto out_free; | |
6771 | } | |
6772 | ||
6773 | err = nl80211_parse_random_mac(attrs, request->mac_addr, | |
6774 | request->mac_addr_mask); | |
6775 | if (err) | |
6776 | goto out_free; | |
6777 | } | |
46856bbf | 6778 | } |
ed473771 | 6779 | |
9c748934 LC |
6780 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
6781 | request->delay = | |
6782 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
6783 | ||
3b06d277 AS |
6784 | err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); |
6785 | if (err) | |
6786 | goto out_free; | |
6787 | ||
15d6030b | 6788 | request->scan_start = jiffies; |
807f8a8c | 6789 | |
256da02d | 6790 | return request; |
807f8a8c LC |
6791 | |
6792 | out_free: | |
6793 | kfree(request); | |
256da02d LC |
6794 | return ERR_PTR(err); |
6795 | } | |
6796 | ||
6797 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
6798 | struct genl_info *info) | |
6799 | { | |
6800 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6801 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 6802 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 6803 | struct cfg80211_sched_scan_request *sched_scan_req; |
256da02d LC |
6804 | int err; |
6805 | ||
6806 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
6807 | !rdev->ops->sched_scan_start) | |
6808 | return -EOPNOTSUPP; | |
6809 | ||
6810 | if (rdev->sched_scan_req) | |
6811 | return -EINPROGRESS; | |
6812 | ||
31a60ed1 JR |
6813 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
6814 | info->attrs); | |
6815 | ||
6816 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
6817 | if (err) |
6818 | goto out_err; | |
6819 | ||
31a60ed1 | 6820 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
6821 | if (err) |
6822 | goto out_free; | |
6823 | ||
31a60ed1 JR |
6824 | sched_scan_req->dev = dev; |
6825 | sched_scan_req->wiphy = &rdev->wiphy; | |
6826 | ||
93a1e86c JR |
6827 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
6828 | sched_scan_req->owner_nlportid = info->snd_portid; | |
6829 | ||
31a60ed1 | 6830 | rcu_assign_pointer(rdev->sched_scan_req, sched_scan_req); |
256da02d LC |
6831 | |
6832 | nl80211_send_sched_scan(rdev, dev, | |
6833 | NL80211_CMD_START_SCHED_SCAN); | |
6834 | return 0; | |
6835 | ||
6836 | out_free: | |
31a60ed1 | 6837 | kfree(sched_scan_req); |
256da02d | 6838 | out_err: |
807f8a8c LC |
6839 | return err; |
6840 | } | |
6841 | ||
6842 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
6843 | struct genl_info *info) | |
6844 | { | |
6845 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6846 | ||
6847 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
6848 | !rdev->ops->sched_scan_stop) | |
6849 | return -EOPNOTSUPP; | |
6850 | ||
5fe231e8 | 6851 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
6852 | } |
6853 | ||
04f39047 SW |
6854 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
6855 | struct genl_info *info) | |
6856 | { | |
6857 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6858 | struct net_device *dev = info->user_ptr[1]; | |
6859 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6860 | struct cfg80211_chan_def chandef; | |
55f7435c | 6861 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 6862 | unsigned int cac_time_ms; |
04f39047 SW |
6863 | int err; |
6864 | ||
55f7435c LR |
6865 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
6866 | if (dfs_region == NL80211_DFS_UNSET) | |
6867 | return -EINVAL; | |
6868 | ||
04f39047 SW |
6869 | err = nl80211_parse_chandef(rdev, info, &chandef); |
6870 | if (err) | |
6871 | return err; | |
6872 | ||
ff311bc1 SW |
6873 | if (netif_carrier_ok(dev)) |
6874 | return -EBUSY; | |
6875 | ||
04f39047 SW |
6876 | if (wdev->cac_started) |
6877 | return -EBUSY; | |
6878 | ||
2beb6dab | 6879 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 6880 | wdev->iftype); |
04f39047 SW |
6881 | if (err < 0) |
6882 | return err; | |
6883 | ||
6884 | if (err == 0) | |
6885 | return -EINVAL; | |
6886 | ||
fe7c3a1f | 6887 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
6888 | return -EINVAL; |
6889 | ||
6890 | if (!rdev->ops->start_radar_detection) | |
6891 | return -EOPNOTSUPP; | |
6892 | ||
31559f35 JD |
6893 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
6894 | if (WARN_ON(!cac_time_ms)) | |
6895 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
6896 | ||
a1056b1b | 6897 | err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms); |
04f39047 | 6898 | if (!err) { |
9e0e2961 | 6899 | wdev->chandef = chandef; |
04f39047 SW |
6900 | wdev->cac_started = true; |
6901 | wdev->cac_start_time = jiffies; | |
31559f35 | 6902 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 6903 | } |
04f39047 SW |
6904 | return err; |
6905 | } | |
6906 | ||
16ef1fe2 SW |
6907 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
6908 | { | |
6909 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6910 | struct net_device *dev = info->user_ptr[1]; | |
6911 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6912 | struct cfg80211_csa_settings params; | |
6913 | /* csa_attrs is defined static to avoid waste of stack size - this | |
6914 | * function is called under RTNL lock, so this should not be a problem. | |
6915 | */ | |
6916 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 6917 | int err; |
ee4bc9e7 | 6918 | bool need_new_beacon = false; |
9a774c78 | 6919 | int len, i; |
252e07ca | 6920 | u32 cs_count; |
16ef1fe2 SW |
6921 | |
6922 | if (!rdev->ops->channel_switch || | |
6923 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
6924 | return -EOPNOTSUPP; | |
6925 | ||
ee4bc9e7 SW |
6926 | switch (dev->ieee80211_ptr->iftype) { |
6927 | case NL80211_IFTYPE_AP: | |
6928 | case NL80211_IFTYPE_P2P_GO: | |
6929 | need_new_beacon = true; | |
6930 | ||
6931 | /* useless if AP is not running */ | |
6932 | if (!wdev->beacon_interval) | |
1ff79dfa | 6933 | return -ENOTCONN; |
ee4bc9e7 SW |
6934 | break; |
6935 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
6936 | if (!wdev->ssid_len) |
6937 | return -ENOTCONN; | |
6938 | break; | |
c6da674a | 6939 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
6940 | if (!wdev->mesh_id_len) |
6941 | return -ENOTCONN; | |
ee4bc9e7 SW |
6942 | break; |
6943 | default: | |
16ef1fe2 | 6944 | return -EOPNOTSUPP; |
ee4bc9e7 | 6945 | } |
16ef1fe2 SW |
6946 | |
6947 | memset(¶ms, 0, sizeof(params)); | |
6948 | ||
6949 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
6950 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
6951 | return -EINVAL; | |
6952 | ||
6953 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 6954 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
6955 | return -EINVAL; |
6956 | ||
252e07ca LC |
6957 | /* Even though the attribute is u32, the specification says |
6958 | * u8, so let's make sure we don't overflow. | |
6959 | */ | |
6960 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
6961 | if (cs_count > 255) | |
6962 | return -EINVAL; | |
6963 | ||
6964 | params.count = cs_count; | |
16ef1fe2 | 6965 | |
ee4bc9e7 SW |
6966 | if (!need_new_beacon) |
6967 | goto skip_beacons; | |
6968 | ||
16ef1fe2 SW |
6969 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
6970 | if (err) | |
6971 | return err; | |
6972 | ||
6973 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
6974 | info->attrs[NL80211_ATTR_CSA_IES], | |
6975 | nl80211_policy); | |
6976 | if (err) | |
6977 | return err; | |
6978 | ||
6979 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
6980 | if (err) | |
6981 | return err; | |
6982 | ||
6983 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
6984 | return -EINVAL; | |
6985 | ||
9a774c78 AO |
6986 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
6987 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
6988 | return -EINVAL; |
6989 | ||
9a774c78 AO |
6990 | params.n_counter_offsets_beacon = len / sizeof(u16); |
6991 | if (rdev->wiphy.max_num_csa_counters && | |
6992 | (params.n_counter_offsets_beacon > | |
6993 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
6994 | return -EINVAL; |
6995 | ||
9a774c78 AO |
6996 | params.counter_offsets_beacon = |
6997 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
6998 | ||
6999 | /* sanity checks - counters should fit and be the same */ | |
7000 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
7001 | u16 offset = params.counter_offsets_beacon[i]; | |
7002 | ||
7003 | if (offset >= params.beacon_csa.tail_len) | |
7004 | return -EINVAL; | |
7005 | ||
7006 | if (params.beacon_csa.tail[offset] != params.count) | |
7007 | return -EINVAL; | |
7008 | } | |
7009 | ||
16ef1fe2 | 7010 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
7011 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
7012 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7013 | return -EINVAL; |
7014 | ||
9a774c78 AO |
7015 | params.n_counter_offsets_presp = len / sizeof(u16); |
7016 | if (rdev->wiphy.max_num_csa_counters && | |
7017 | (params.n_counter_offsets_beacon > | |
7018 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 | 7019 | return -EINVAL; |
9a774c78 AO |
7020 | |
7021 | params.counter_offsets_presp = | |
7022 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
7023 | ||
7024 | /* sanity checks - counters should fit and be the same */ | |
7025 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
7026 | u16 offset = params.counter_offsets_presp[i]; | |
7027 | ||
7028 | if (offset >= params.beacon_csa.probe_resp_len) | |
7029 | return -EINVAL; | |
7030 | ||
7031 | if (params.beacon_csa.probe_resp[offset] != | |
7032 | params.count) | |
7033 | return -EINVAL; | |
7034 | } | |
16ef1fe2 SW |
7035 | } |
7036 | ||
ee4bc9e7 | 7037 | skip_beacons: |
16ef1fe2 SW |
7038 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
7039 | if (err) | |
7040 | return err; | |
7041 | ||
923b352f AN |
7042 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
7043 | wdev->iftype)) | |
16ef1fe2 SW |
7044 | return -EINVAL; |
7045 | ||
2beb6dab LC |
7046 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
7047 | ¶ms.chandef, | |
7048 | wdev->iftype); | |
7049 | if (err < 0) | |
7050 | return err; | |
7051 | ||
dcc6c2f5 | 7052 | if (err > 0) |
2beb6dab | 7053 | params.radar_required = true; |
16ef1fe2 | 7054 | |
16ef1fe2 SW |
7055 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
7056 | params.block_tx = true; | |
7057 | ||
c56589ed SW |
7058 | wdev_lock(wdev); |
7059 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
7060 | wdev_unlock(wdev); | |
7061 | ||
7062 | return err; | |
16ef1fe2 SW |
7063 | } |
7064 | ||
9720bb3a JB |
7065 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
7066 | u32 seq, int flags, | |
2a519311 | 7067 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
7068 | struct wireless_dev *wdev, |
7069 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 7070 | { |
48ab905d | 7071 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 7072 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
7073 | void *hdr; |
7074 | struct nlattr *bss; | |
48ab905d JB |
7075 | |
7076 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 7077 | |
15e47304 | 7078 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
7079 | NL80211_CMD_NEW_SCAN_RESULTS); |
7080 | if (!hdr) | |
7081 | return -1; | |
7082 | ||
9720bb3a JB |
7083 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
7084 | ||
97990a06 JB |
7085 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
7086 | goto nla_put_failure; | |
7087 | if (wdev->netdev && | |
9360ffd1 DM |
7088 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
7089 | goto nla_put_failure; | |
2dad624e ND |
7090 | if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
7091 | NL80211_ATTR_PAD)) | |
97990a06 | 7092 | goto nla_put_failure; |
2a519311 JB |
7093 | |
7094 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
7095 | if (!bss) | |
7096 | goto nla_put_failure; | |
9360ffd1 | 7097 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 7098 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 7099 | goto nla_put_failure; |
9caf0364 JB |
7100 | |
7101 | rcu_read_lock(); | |
0e227084 JB |
7102 | /* indicate whether we have probe response data or not */ |
7103 | if (rcu_access_pointer(res->proberesp_ies) && | |
7104 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
7105 | goto fail_unlock_rcu; | |
7106 | ||
7107 | /* this pointer prefers to be pointed to probe response data | |
7108 | * but is always valid | |
7109 | */ | |
9caf0364 | 7110 | ies = rcu_dereference(res->ies); |
8cef2c9d | 7111 | if (ies) { |
2dad624e ND |
7112 | if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf, |
7113 | NL80211_BSS_PAD)) | |
8cef2c9d | 7114 | goto fail_unlock_rcu; |
8cef2c9d JB |
7115 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
7116 | ies->len, ies->data)) | |
7117 | goto fail_unlock_rcu; | |
9caf0364 | 7118 | } |
0e227084 JB |
7119 | |
7120 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 7121 | ies = rcu_dereference(res->beacon_ies); |
0e227084 | 7122 | if (ies && ies->from_beacon) { |
2dad624e ND |
7123 | if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf, |
7124 | NL80211_BSS_PAD)) | |
8cef2c9d JB |
7125 | goto fail_unlock_rcu; |
7126 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
7127 | ies->len, ies->data)) | |
7128 | goto fail_unlock_rcu; | |
9caf0364 JB |
7129 | } |
7130 | rcu_read_unlock(); | |
7131 | ||
9360ffd1 DM |
7132 | if (res->beacon_interval && |
7133 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
7134 | goto nla_put_failure; | |
7135 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
7136 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 7137 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
7138 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
7139 | jiffies_to_msecs(jiffies - intbss->ts))) | |
7140 | goto nla_put_failure; | |
2a519311 | 7141 | |
1d76250b AS |
7142 | if (intbss->parent_tsf && |
7143 | (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF, | |
7144 | intbss->parent_tsf, NL80211_BSS_PAD) || | |
7145 | nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN, | |
7146 | intbss->parent_bssid))) | |
7147 | goto nla_put_failure; | |
7148 | ||
6e19bc4b | 7149 | if (intbss->ts_boottime && |
2dad624e ND |
7150 | nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, |
7151 | intbss->ts_boottime, NL80211_BSS_PAD)) | |
6e19bc4b DS |
7152 | goto nla_put_failure; |
7153 | ||
77965c97 | 7154 | switch (rdev->wiphy.signal_type) { |
2a519311 | 7155 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
7156 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
7157 | goto nla_put_failure; | |
2a519311 JB |
7158 | break; |
7159 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
7160 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
7161 | goto nla_put_failure; | |
2a519311 JB |
7162 | break; |
7163 | default: | |
7164 | break; | |
7165 | } | |
7166 | ||
48ab905d | 7167 | switch (wdev->iftype) { |
074ac8df | 7168 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 7169 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
7170 | if (intbss == wdev->current_bss && |
7171 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7172 | NL80211_BSS_STATUS_ASSOCIATED)) | |
7173 | goto nla_put_failure; | |
48ab905d JB |
7174 | break; |
7175 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
7176 | if (intbss == wdev->current_bss && |
7177 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7178 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
7179 | goto nla_put_failure; | |
48ab905d JB |
7180 | break; |
7181 | default: | |
7182 | break; | |
7183 | } | |
7184 | ||
2a519311 JB |
7185 | nla_nest_end(msg, bss); |
7186 | ||
053c095a JB |
7187 | genlmsg_end(msg, hdr); |
7188 | return 0; | |
2a519311 | 7189 | |
8cef2c9d JB |
7190 | fail_unlock_rcu: |
7191 | rcu_read_unlock(); | |
2a519311 JB |
7192 | nla_put_failure: |
7193 | genlmsg_cancel(msg, hdr); | |
7194 | return -EMSGSIZE; | |
7195 | } | |
7196 | ||
97990a06 | 7197 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 7198 | { |
48ab905d | 7199 | struct cfg80211_registered_device *rdev; |
2a519311 | 7200 | struct cfg80211_internal_bss *scan; |
48ab905d | 7201 | struct wireless_dev *wdev; |
97990a06 | 7202 | int start = cb->args[2], idx = 0; |
2a519311 JB |
7203 | int err; |
7204 | ||
97990a06 | 7205 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7206 | if (err) |
7207 | return err; | |
2a519311 | 7208 | |
48ab905d JB |
7209 | wdev_lock(wdev); |
7210 | spin_lock_bh(&rdev->bss_lock); | |
7211 | cfg80211_bss_expire(rdev); | |
7212 | ||
9720bb3a JB |
7213 | cb->seq = rdev->bss_generation; |
7214 | ||
48ab905d | 7215 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
7216 | if (++idx <= start) |
7217 | continue; | |
9720bb3a | 7218 | if (nl80211_send_bss(skb, cb, |
2a519311 | 7219 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 7220 | rdev, wdev, scan) < 0) { |
2a519311 | 7221 | idx--; |
67748893 | 7222 | break; |
2a519311 JB |
7223 | } |
7224 | } | |
7225 | ||
48ab905d JB |
7226 | spin_unlock_bh(&rdev->bss_lock); |
7227 | wdev_unlock(wdev); | |
2a519311 | 7228 | |
97990a06 JB |
7229 | cb->args[2] = idx; |
7230 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 7231 | |
67748893 | 7232 | return skb->len; |
2a519311 JB |
7233 | } |
7234 | ||
15e47304 | 7235 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
7236 | int flags, struct net_device *dev, |
7237 | bool allow_radio_stats, | |
7238 | struct survey_info *survey) | |
61fa713c HS |
7239 | { |
7240 | void *hdr; | |
7241 | struct nlattr *infoattr; | |
7242 | ||
11f78ac3 JB |
7243 | /* skip radio stats if userspace didn't request them */ |
7244 | if (!survey->channel && !allow_radio_stats) | |
7245 | return 0; | |
7246 | ||
15e47304 | 7247 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
7248 | NL80211_CMD_NEW_SURVEY_RESULTS); |
7249 | if (!hdr) | |
7250 | return -ENOMEM; | |
7251 | ||
9360ffd1 DM |
7252 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
7253 | goto nla_put_failure; | |
61fa713c HS |
7254 | |
7255 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
7256 | if (!infoattr) | |
7257 | goto nla_put_failure; | |
7258 | ||
11f78ac3 JB |
7259 | if (survey->channel && |
7260 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
7261 | survey->channel->center_freq)) |
7262 | goto nla_put_failure; | |
7263 | ||
7264 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
7265 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
7266 | goto nla_put_failure; | |
7267 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
7268 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
7269 | goto nla_put_failure; | |
4ed20beb | 7270 | if ((survey->filled & SURVEY_INFO_TIME) && |
2dad624e ND |
7271 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME, |
7272 | survey->time, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7273 | goto nla_put_failure; |
4ed20beb | 7274 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
2dad624e ND |
7275 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY, |
7276 | survey->time_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7277 | goto nla_put_failure; |
4ed20beb | 7278 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
2dad624e ND |
7279 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, |
7280 | survey->time_ext_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7281 | goto nla_put_failure; |
4ed20beb | 7282 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
2dad624e ND |
7283 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX, |
7284 | survey->time_rx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7285 | goto nla_put_failure; |
4ed20beb | 7286 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
2dad624e ND |
7287 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX, |
7288 | survey->time_tx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7289 | goto nla_put_failure; |
052536ab | 7290 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
2dad624e ND |
7291 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN, |
7292 | survey->time_scan, NL80211_SURVEY_INFO_PAD)) | |
052536ab | 7293 | goto nla_put_failure; |
61fa713c HS |
7294 | |
7295 | nla_nest_end(msg, infoattr); | |
7296 | ||
053c095a JB |
7297 | genlmsg_end(msg, hdr); |
7298 | return 0; | |
61fa713c HS |
7299 | |
7300 | nla_put_failure: | |
7301 | genlmsg_cancel(msg, hdr); | |
7302 | return -EMSGSIZE; | |
7303 | } | |
7304 | ||
11f78ac3 | 7305 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c HS |
7306 | { |
7307 | struct survey_info survey; | |
1b8ec87a | 7308 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
7309 | struct wireless_dev *wdev; |
7310 | int survey_idx = cb->args[2]; | |
61fa713c | 7311 | int res; |
11f78ac3 | 7312 | bool radio_stats; |
61fa713c | 7313 | |
1b8ec87a | 7314 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7315 | if (res) |
7316 | return res; | |
61fa713c | 7317 | |
11f78ac3 JB |
7318 | /* prepare_wdev_dump parsed the attributes */ |
7319 | radio_stats = nl80211_fam.attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; | |
7320 | ||
97990a06 JB |
7321 | if (!wdev->netdev) { |
7322 | res = -EINVAL; | |
7323 | goto out_err; | |
7324 | } | |
7325 | ||
1b8ec87a | 7326 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
7327 | res = -EOPNOTSUPP; |
7328 | goto out_err; | |
7329 | } | |
7330 | ||
7331 | while (1) { | |
1b8ec87a | 7332 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
7333 | if (res == -ENOENT) |
7334 | break; | |
7335 | if (res) | |
7336 | goto out_err; | |
7337 | ||
11f78ac3 JB |
7338 | /* don't send disabled channels, but do send non-channel data */ |
7339 | if (survey.channel && | |
7340 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
7341 | survey_idx++; |
7342 | continue; | |
7343 | } | |
7344 | ||
61fa713c | 7345 | if (nl80211_send_survey(skb, |
15e47304 | 7346 | NETLINK_CB(cb->skb).portid, |
61fa713c | 7347 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 7348 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
7349 | goto out; |
7350 | survey_idx++; | |
7351 | } | |
7352 | ||
7353 | out: | |
97990a06 | 7354 | cb->args[2] = survey_idx; |
61fa713c HS |
7355 | res = skb->len; |
7356 | out_err: | |
1b8ec87a | 7357 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
7358 | return res; |
7359 | } | |
7360 | ||
b23aa676 SO |
7361 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
7362 | { | |
7363 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
7364 | NL80211_WPA_VERSION_2)); | |
7365 | } | |
7366 | ||
636a5d36 JM |
7367 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
7368 | { | |
4c476991 JB |
7369 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7370 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7371 | struct ieee80211_channel *chan; |
e39e5b5e JM |
7372 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
7373 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 7374 | enum nl80211_auth_type auth_type; |
fffd0934 | 7375 | struct key_parse key; |
d5cdfacb | 7376 | bool local_state_change; |
636a5d36 | 7377 | |
f4a11bb0 JB |
7378 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7379 | return -EINVAL; | |
7380 | ||
7381 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7382 | return -EINVAL; | |
7383 | ||
1778092e JM |
7384 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
7385 | return -EINVAL; | |
7386 | ||
19957bb3 JB |
7387 | if (!info->attrs[NL80211_ATTR_SSID]) |
7388 | return -EINVAL; | |
7389 | ||
7390 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7391 | return -EINVAL; | |
7392 | ||
fffd0934 JB |
7393 | err = nl80211_parse_key(info, &key); |
7394 | if (err) | |
7395 | return err; | |
7396 | ||
7397 | if (key.idx >= 0) { | |
e31b8213 JB |
7398 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
7399 | return -EINVAL; | |
fffd0934 JB |
7400 | if (!key.p.key || !key.p.key_len) |
7401 | return -EINVAL; | |
7402 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
7403 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
7404 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
7405 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
7406 | return -EINVAL; | |
b6b5555b | 7407 | if (key.idx > 3) |
fffd0934 JB |
7408 | return -EINVAL; |
7409 | } else { | |
7410 | key.p.key_len = 0; | |
7411 | key.p.key = NULL; | |
7412 | } | |
7413 | ||
afea0b7a JB |
7414 | if (key.idx >= 0) { |
7415 | int i; | |
7416 | bool ok = false; | |
7a087e74 | 7417 | |
afea0b7a JB |
7418 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
7419 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
7420 | ok = true; | |
7421 | break; | |
7422 | } | |
7423 | } | |
4c476991 JB |
7424 | if (!ok) |
7425 | return -EINVAL; | |
afea0b7a JB |
7426 | } |
7427 | ||
4c476991 JB |
7428 | if (!rdev->ops->auth) |
7429 | return -EOPNOTSUPP; | |
636a5d36 | 7430 | |
074ac8df | 7431 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7432 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7433 | return -EOPNOTSUPP; | |
eec60b03 | 7434 | |
19957bb3 | 7435 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
7436 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7437 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7438 | if (!chan) | |
4c476991 | 7439 | return -EINVAL; |
636a5d36 | 7440 | |
19957bb3 JB |
7441 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7442 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7443 | |
7444 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7445 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7446 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7447 | } |
7448 | ||
19957bb3 | 7449 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 7450 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 7451 | return -EINVAL; |
636a5d36 | 7452 | |
e39e5b5e JM |
7453 | if (auth_type == NL80211_AUTHTYPE_SAE && |
7454 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
7455 | return -EINVAL; | |
7456 | ||
7457 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
7458 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
7459 | return -EINVAL; | |
7460 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
7461 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
7462 | /* need to include at least Auth Transaction and Status Code */ | |
7463 | if (sae_data_len < 4) | |
7464 | return -EINVAL; | |
7465 | } | |
7466 | ||
d5cdfacb JM |
7467 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7468 | ||
95de817b JB |
7469 | /* |
7470 | * Since we no longer track auth state, ignore | |
7471 | * requests to only change local state. | |
7472 | */ | |
7473 | if (local_state_change) | |
7474 | return 0; | |
7475 | ||
91bf9b26 JB |
7476 | wdev_lock(dev->ieee80211_ptr); |
7477 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
7478 | ssid, ssid_len, ie, ie_len, | |
7479 | key.p.key, key.p.key_len, key.idx, | |
7480 | sae_data, sae_data_len); | |
7481 | wdev_unlock(dev->ieee80211_ptr); | |
7482 | return err; | |
636a5d36 JM |
7483 | } |
7484 | ||
c0692b8f JB |
7485 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
7486 | struct genl_info *info, | |
3dc27d25 JB |
7487 | struct cfg80211_crypto_settings *settings, |
7488 | int cipher_limit) | |
b23aa676 | 7489 | { |
c0b2bbd8 JB |
7490 | memset(settings, 0, sizeof(*settings)); |
7491 | ||
b23aa676 SO |
7492 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
7493 | ||
c0692b8f JB |
7494 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
7495 | u16 proto; | |
7a087e74 | 7496 | |
c0692b8f JB |
7497 | proto = nla_get_u16( |
7498 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
7499 | settings->control_port_ethertype = cpu_to_be16(proto); | |
7500 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
7501 | proto != ETH_P_PAE) | |
7502 | return -EINVAL; | |
7503 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
7504 | settings->control_port_no_encrypt = true; | |
7505 | } else | |
7506 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
7507 | ||
b23aa676 SO |
7508 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
7509 | void *data; | |
7510 | int len, i; | |
7511 | ||
7512 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7513 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7514 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
7515 | ||
7516 | if (len % sizeof(u32)) | |
7517 | return -EINVAL; | |
7518 | ||
3dc27d25 | 7519 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
7520 | return -EINVAL; |
7521 | ||
7522 | memcpy(settings->ciphers_pairwise, data, len); | |
7523 | ||
7524 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
7525 | if (!cfg80211_supported_cipher_suite( |
7526 | &rdev->wiphy, | |
b23aa676 SO |
7527 | settings->ciphers_pairwise[i])) |
7528 | return -EINVAL; | |
7529 | } | |
7530 | ||
7531 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
7532 | settings->cipher_group = | |
7533 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
7534 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
7535 | settings->cipher_group)) | |
b23aa676 SO |
7536 | return -EINVAL; |
7537 | } | |
7538 | ||
7539 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
7540 | settings->wpa_versions = | |
7541 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
7542 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
7543 | return -EINVAL; | |
7544 | } | |
7545 | ||
7546 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
7547 | void *data; | |
6d30240e | 7548 | int len; |
b23aa676 SO |
7549 | |
7550 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7551 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7552 | settings->n_akm_suites = len / sizeof(u32); | |
7553 | ||
7554 | if (len % sizeof(u32)) | |
7555 | return -EINVAL; | |
7556 | ||
1b9ca027 JM |
7557 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
7558 | return -EINVAL; | |
7559 | ||
b23aa676 | 7560 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
7561 | } |
7562 | ||
7563 | return 0; | |
7564 | } | |
7565 | ||
636a5d36 JM |
7566 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
7567 | { | |
4c476991 JB |
7568 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7569 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 7570 | struct ieee80211_channel *chan; |
f62fab73 JB |
7571 | struct cfg80211_assoc_request req = {}; |
7572 | const u8 *bssid, *ssid; | |
7573 | int err, ssid_len = 0; | |
636a5d36 | 7574 | |
f4a11bb0 JB |
7575 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7576 | return -EINVAL; | |
7577 | ||
7578 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
7579 | !info->attrs[NL80211_ATTR_SSID] || |
7580 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
7581 | return -EINVAL; |
7582 | ||
4c476991 JB |
7583 | if (!rdev->ops->assoc) |
7584 | return -EOPNOTSUPP; | |
636a5d36 | 7585 | |
074ac8df | 7586 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7587 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7588 | return -EOPNOTSUPP; | |
eec60b03 | 7589 | |
19957bb3 | 7590 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7591 | |
664834de JM |
7592 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7593 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7594 | if (!chan) | |
4c476991 | 7595 | return -EINVAL; |
636a5d36 | 7596 | |
19957bb3 JB |
7597 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7598 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7599 | |
7600 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
7601 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7602 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7603 | } |
7604 | ||
dc6382ce | 7605 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 7606 | enum nl80211_mfp mfp = |
dc6382ce | 7607 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 7608 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 7609 | req.use_mfp = true; |
4c476991 JB |
7610 | else if (mfp != NL80211_MFP_NO) |
7611 | return -EINVAL; | |
dc6382ce JM |
7612 | } |
7613 | ||
3e5d7649 | 7614 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 7615 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 7616 | |
7e7c8926 | 7617 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 7618 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
7619 | |
7620 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
7621 | memcpy(&req.ht_capa_mask, |
7622 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7623 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
7624 | |
7625 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 7626 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 7627 | return -EINVAL; |
f62fab73 JB |
7628 | memcpy(&req.ht_capa, |
7629 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7630 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
7631 | } |
7632 | ||
ee2aca34 | 7633 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 7634 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
7635 | |
7636 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
7637 | memcpy(&req.vht_capa_mask, |
7638 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7639 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
7640 | |
7641 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 7642 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 7643 | return -EINVAL; |
f62fab73 JB |
7644 | memcpy(&req.vht_capa, |
7645 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7646 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
7647 | } |
7648 | ||
bab5ab7d | 7649 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
7650 | if (!((rdev->wiphy.features & |
7651 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
7652 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
7653 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
7654 | NL80211_EXT_FEATURE_RRM)) | |
bab5ab7d AK |
7655 | return -EINVAL; |
7656 | req.flags |= ASSOC_REQ_USE_RRM; | |
7657 | } | |
7658 | ||
f62fab73 | 7659 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
7660 | if (!err) { |
7661 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
7662 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
7663 | ssid, ssid_len, &req); | |
91bf9b26 JB |
7664 | wdev_unlock(dev->ieee80211_ptr); |
7665 | } | |
636a5d36 | 7666 | |
636a5d36 JM |
7667 | return err; |
7668 | } | |
7669 | ||
7670 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
7671 | { | |
4c476991 JB |
7672 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7673 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7674 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 7675 | int ie_len = 0, err; |
19957bb3 | 7676 | u16 reason_code; |
d5cdfacb | 7677 | bool local_state_change; |
636a5d36 | 7678 | |
f4a11bb0 JB |
7679 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7680 | return -EINVAL; | |
7681 | ||
7682 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7683 | return -EINVAL; | |
7684 | ||
7685 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7686 | return -EINVAL; | |
7687 | ||
4c476991 JB |
7688 | if (!rdev->ops->deauth) |
7689 | return -EOPNOTSUPP; | |
636a5d36 | 7690 | |
074ac8df | 7691 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7692 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7693 | return -EOPNOTSUPP; | |
eec60b03 | 7694 | |
19957bb3 | 7695 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7696 | |
19957bb3 JB |
7697 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
7698 | if (reason_code == 0) { | |
f4a11bb0 | 7699 | /* Reason Code 0 is reserved */ |
4c476991 | 7700 | return -EINVAL; |
255e737e | 7701 | } |
636a5d36 JM |
7702 | |
7703 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7704 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7705 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7706 | } |
7707 | ||
d5cdfacb JM |
7708 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7709 | ||
91bf9b26 JB |
7710 | wdev_lock(dev->ieee80211_ptr); |
7711 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
7712 | local_state_change); | |
7713 | wdev_unlock(dev->ieee80211_ptr); | |
7714 | return err; | |
636a5d36 JM |
7715 | } |
7716 | ||
7717 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
7718 | { | |
4c476991 JB |
7719 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7720 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7721 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 7722 | int ie_len = 0, err; |
19957bb3 | 7723 | u16 reason_code; |
d5cdfacb | 7724 | bool local_state_change; |
636a5d36 | 7725 | |
f4a11bb0 JB |
7726 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7727 | return -EINVAL; | |
7728 | ||
7729 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7730 | return -EINVAL; | |
7731 | ||
7732 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7733 | return -EINVAL; | |
7734 | ||
4c476991 JB |
7735 | if (!rdev->ops->disassoc) |
7736 | return -EOPNOTSUPP; | |
636a5d36 | 7737 | |
074ac8df | 7738 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7739 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7740 | return -EOPNOTSUPP; | |
eec60b03 | 7741 | |
19957bb3 | 7742 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7743 | |
19957bb3 JB |
7744 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
7745 | if (reason_code == 0) { | |
f4a11bb0 | 7746 | /* Reason Code 0 is reserved */ |
4c476991 | 7747 | return -EINVAL; |
255e737e | 7748 | } |
636a5d36 JM |
7749 | |
7750 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7751 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7752 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7753 | } |
7754 | ||
d5cdfacb JM |
7755 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7756 | ||
91bf9b26 JB |
7757 | wdev_lock(dev->ieee80211_ptr); |
7758 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
7759 | local_state_change); | |
7760 | wdev_unlock(dev->ieee80211_ptr); | |
7761 | return err; | |
636a5d36 JM |
7762 | } |
7763 | ||
dd5b4cc7 FF |
7764 | static bool |
7765 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
57fbcce3 | 7766 | int mcast_rate[NUM_NL80211_BANDS], |
dd5b4cc7 FF |
7767 | int rateval) |
7768 | { | |
7769 | struct wiphy *wiphy = &rdev->wiphy; | |
7770 | bool found = false; | |
7771 | int band, i; | |
7772 | ||
57fbcce3 | 7773 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
dd5b4cc7 FF |
7774 | struct ieee80211_supported_band *sband; |
7775 | ||
7776 | sband = wiphy->bands[band]; | |
7777 | if (!sband) | |
7778 | continue; | |
7779 | ||
7780 | for (i = 0; i < sband->n_bitrates; i++) { | |
7781 | if (sband->bitrates[i].bitrate == rateval) { | |
7782 | mcast_rate[band] = i + 1; | |
7783 | found = true; | |
7784 | break; | |
7785 | } | |
7786 | } | |
7787 | } | |
7788 | ||
7789 | return found; | |
7790 | } | |
7791 | ||
04a773ad JB |
7792 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
7793 | { | |
4c476991 JB |
7794 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7795 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
7796 | struct cfg80211_ibss_params ibss; |
7797 | struct wiphy *wiphy; | |
fffd0934 | 7798 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
7799 | int err; |
7800 | ||
8e30bc55 JB |
7801 | memset(&ibss, 0, sizeof(ibss)); |
7802 | ||
04a773ad JB |
7803 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7804 | return -EINVAL; | |
7805 | ||
683b6d3b | 7806 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
7807 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
7808 | return -EINVAL; | |
7809 | ||
8e30bc55 JB |
7810 | ibss.beacon_interval = 100; |
7811 | ||
12d20fc9 | 7812 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) |
8e30bc55 JB |
7813 | ibss.beacon_interval = |
7814 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 PK |
7815 | |
7816 | err = cfg80211_validate_beacon_int(rdev, ibss.beacon_interval); | |
7817 | if (err) | |
7818 | return err; | |
8e30bc55 | 7819 | |
4c476991 JB |
7820 | if (!rdev->ops->join_ibss) |
7821 | return -EOPNOTSUPP; | |
04a773ad | 7822 | |
4c476991 JB |
7823 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
7824 | return -EOPNOTSUPP; | |
04a773ad | 7825 | |
79c97e97 | 7826 | wiphy = &rdev->wiphy; |
04a773ad | 7827 | |
39193498 | 7828 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 7829 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
7830 | |
7831 | if (!is_valid_ether_addr(ibss.bssid)) | |
7832 | return -EINVAL; | |
7833 | } | |
04a773ad JB |
7834 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7835 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7836 | ||
7837 | if (info->attrs[NL80211_ATTR_IE]) { | |
7838 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7839 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7840 | } | |
7841 | ||
683b6d3b JB |
7842 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
7843 | if (err) | |
7844 | return err; | |
04a773ad | 7845 | |
174e0cd2 IP |
7846 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
7847 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
7848 | return -EINVAL; |
7849 | ||
2f301ab2 | 7850 | switch (ibss.chandef.width) { |
bf372645 SW |
7851 | case NL80211_CHAN_WIDTH_5: |
7852 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
7853 | case NL80211_CHAN_WIDTH_20_NOHT: |
7854 | break; | |
7855 | case NL80211_CHAN_WIDTH_20: | |
7856 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
7857 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
7858 | return -EINVAL; | |
7859 | break; | |
7860 | case NL80211_CHAN_WIDTH_80: | |
7861 | case NL80211_CHAN_WIDTH_80P80: | |
7862 | case NL80211_CHAN_WIDTH_160: | |
7863 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
7864 | return -EINVAL; | |
7865 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
7866 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
7867 | return -EINVAL; | |
7868 | break; | |
2f301ab2 | 7869 | default: |
c04d6150 | 7870 | return -EINVAL; |
2f301ab2 | 7871 | } |
db9c64cf | 7872 | |
04a773ad | 7873 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
7874 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
7875 | ||
fbd2c8dc TP |
7876 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7877 | u8 *rates = | |
7878 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7879 | int n_rates = | |
7880 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7881 | struct ieee80211_supported_band *sband = | |
683b6d3b | 7882 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 7883 | |
34850ab2 JB |
7884 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
7885 | &ibss.basic_rates); | |
7886 | if (err) | |
7887 | return err; | |
fbd2c8dc | 7888 | } |
dd5b4cc7 | 7889 | |
803768f5 SW |
7890 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7891 | memcpy(&ibss.ht_capa_mask, | |
7892 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7893 | sizeof(ibss.ht_capa_mask)); | |
7894 | ||
7895 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
7896 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7897 | return -EINVAL; | |
7898 | memcpy(&ibss.ht_capa, | |
7899 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7900 | sizeof(ibss.ht_capa)); | |
7901 | } | |
7902 | ||
dd5b4cc7 FF |
7903 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7904 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
7905 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7906 | return -EINVAL; | |
fbd2c8dc | 7907 | |
4c476991 | 7908 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
7909 | bool no_ht = false; |
7910 | ||
4c476991 | 7911 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
7912 | info->attrs[NL80211_ATTR_KEYS], |
7913 | &no_ht); | |
4c476991 JB |
7914 | if (IS_ERR(connkeys)) |
7915 | return PTR_ERR(connkeys); | |
de7044ee | 7916 | |
3d9d1d66 JB |
7917 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
7918 | no_ht) { | |
5e950a78 | 7919 | kzfree(connkeys); |
de7044ee SM |
7920 | return -EINVAL; |
7921 | } | |
4c476991 | 7922 | } |
04a773ad | 7923 | |
267335d6 AQ |
7924 | ibss.control_port = |
7925 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
7926 | ||
5336fa88 SW |
7927 | ibss.userspace_handles_dfs = |
7928 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
7929 | ||
4c476991 | 7930 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 7931 | if (err) |
b47f610b | 7932 | kzfree(connkeys); |
04a773ad JB |
7933 | return err; |
7934 | } | |
7935 | ||
7936 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
7937 | { | |
4c476991 JB |
7938 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7939 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 7940 | |
4c476991 JB |
7941 | if (!rdev->ops->leave_ibss) |
7942 | return -EOPNOTSUPP; | |
04a773ad | 7943 | |
4c476991 JB |
7944 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
7945 | return -EOPNOTSUPP; | |
04a773ad | 7946 | |
4c476991 | 7947 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
7948 | } |
7949 | ||
f4e583c8 AQ |
7950 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
7951 | { | |
7952 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7953 | struct net_device *dev = info->user_ptr[1]; | |
57fbcce3 | 7954 | int mcast_rate[NUM_NL80211_BANDS]; |
f4e583c8 AQ |
7955 | u32 nla_rate; |
7956 | int err; | |
7957 | ||
7958 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
7959 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
7960 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
7961 | return -EOPNOTSUPP; |
7962 | ||
7963 | if (!rdev->ops->set_mcast_rate) | |
7964 | return -EOPNOTSUPP; | |
7965 | ||
7966 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
7967 | ||
7968 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
7969 | return -EINVAL; | |
7970 | ||
7971 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
7972 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
7973 | return -EINVAL; | |
7974 | ||
a1056b1b | 7975 | err = rdev_set_mcast_rate(rdev, dev, mcast_rate); |
f4e583c8 AQ |
7976 | |
7977 | return err; | |
7978 | } | |
7979 | ||
ad7e718c JB |
7980 | static struct sk_buff * |
7981 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
7982 | struct wireless_dev *wdev, int approxlen, |
7983 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
7984 | enum nl80211_attrs attr, |
7985 | const struct nl80211_vendor_cmd_info *info, | |
7986 | gfp_t gfp) | |
ad7e718c JB |
7987 | { |
7988 | struct sk_buff *skb; | |
7989 | void *hdr; | |
7990 | struct nlattr *data; | |
7991 | ||
7992 | skb = nlmsg_new(approxlen + 100, gfp); | |
7993 | if (!skb) | |
7994 | return NULL; | |
7995 | ||
7996 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
7997 | if (!hdr) { | |
7998 | kfree_skb(skb); | |
7999 | return NULL; | |
8000 | } | |
8001 | ||
8002 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
8003 | goto nla_put_failure; | |
567ffc35 JB |
8004 | |
8005 | if (info) { | |
8006 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
8007 | info->vendor_id)) | |
8008 | goto nla_put_failure; | |
8009 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
8010 | info->subcmd)) | |
8011 | goto nla_put_failure; | |
8012 | } | |
8013 | ||
6c09e791 | 8014 | if (wdev) { |
2dad624e ND |
8015 | if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
8016 | wdev_id(wdev), NL80211_ATTR_PAD)) | |
6c09e791 AK |
8017 | goto nla_put_failure; |
8018 | if (wdev->netdev && | |
8019 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
8020 | wdev->netdev->ifindex)) | |
8021 | goto nla_put_failure; | |
8022 | } | |
8023 | ||
ad7e718c | 8024 | data = nla_nest_start(skb, attr); |
76e1fb4b JB |
8025 | if (!data) |
8026 | goto nla_put_failure; | |
ad7e718c JB |
8027 | |
8028 | ((void **)skb->cb)[0] = rdev; | |
8029 | ((void **)skb->cb)[1] = hdr; | |
8030 | ((void **)skb->cb)[2] = data; | |
8031 | ||
8032 | return skb; | |
8033 | ||
8034 | nla_put_failure: | |
8035 | kfree_skb(skb); | |
8036 | return NULL; | |
8037 | } | |
f4e583c8 | 8038 | |
e03ad6ea | 8039 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 8040 | struct wireless_dev *wdev, |
e03ad6ea JB |
8041 | enum nl80211_commands cmd, |
8042 | enum nl80211_attrs attr, | |
8043 | int vendor_event_idx, | |
8044 | int approxlen, gfp_t gfp) | |
8045 | { | |
f26cbf40 | 8046 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
8047 | const struct nl80211_vendor_cmd_info *info; |
8048 | ||
8049 | switch (cmd) { | |
8050 | case NL80211_CMD_TESTMODE: | |
8051 | if (WARN_ON(vendor_event_idx != -1)) | |
8052 | return NULL; | |
8053 | info = NULL; | |
8054 | break; | |
8055 | case NL80211_CMD_VENDOR: | |
8056 | if (WARN_ON(vendor_event_idx < 0 || | |
8057 | vendor_event_idx >= wiphy->n_vendor_events)) | |
8058 | return NULL; | |
8059 | info = &wiphy->vendor_events[vendor_event_idx]; | |
8060 | break; | |
8061 | default: | |
8062 | WARN_ON(1); | |
8063 | return NULL; | |
8064 | } | |
8065 | ||
6c09e791 | 8066 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0, |
e03ad6ea JB |
8067 | cmd, attr, info, gfp); |
8068 | } | |
8069 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
8070 | ||
8071 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
8072 | { | |
8073 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
8074 | void *hdr = ((void **)skb->cb)[1]; | |
8075 | struct nlattr *data = ((void **)skb->cb)[2]; | |
8076 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
8077 | ||
bd8c78e7 JB |
8078 | /* clear CB data for netlink core to own from now on */ |
8079 | memset(skb->cb, 0, sizeof(skb->cb)); | |
8080 | ||
e03ad6ea JB |
8081 | nla_nest_end(skb, data); |
8082 | genlmsg_end(skb, hdr); | |
8083 | ||
8084 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
8085 | mcgrp = NL80211_MCGRP_VENDOR; | |
8086 | ||
8087 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
8088 | mcgrp, gfp); | |
8089 | } | |
8090 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
8091 | ||
aff89a9b | 8092 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
8093 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
8094 | { | |
4c476991 | 8095 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
8096 | struct wireless_dev *wdev = |
8097 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
8098 | int err; |
8099 | ||
fc73f11f DS |
8100 | if (!rdev->ops->testmode_cmd) |
8101 | return -EOPNOTSUPP; | |
8102 | ||
8103 | if (IS_ERR(wdev)) { | |
8104 | err = PTR_ERR(wdev); | |
8105 | if (err != -EINVAL) | |
8106 | return err; | |
8107 | wdev = NULL; | |
8108 | } else if (wdev->wiphy != &rdev->wiphy) { | |
8109 | return -EINVAL; | |
8110 | } | |
8111 | ||
aff89a9b JB |
8112 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
8113 | return -EINVAL; | |
8114 | ||
ad7e718c | 8115 | rdev->cur_cmd_info = info; |
fc73f11f | 8116 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
8117 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
8118 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 8119 | rdev->cur_cmd_info = NULL; |
aff89a9b | 8120 | |
aff89a9b JB |
8121 | return err; |
8122 | } | |
8123 | ||
71063f0e WYG |
8124 | static int nl80211_testmode_dump(struct sk_buff *skb, |
8125 | struct netlink_callback *cb) | |
8126 | { | |
00918d33 | 8127 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
8128 | int err; |
8129 | long phy_idx; | |
8130 | void *data = NULL; | |
8131 | int data_len = 0; | |
8132 | ||
5fe231e8 JB |
8133 | rtnl_lock(); |
8134 | ||
71063f0e WYG |
8135 | if (cb->args[0]) { |
8136 | /* | |
8137 | * 0 is a valid index, but not valid for args[0], | |
8138 | * so we need to offset by 1. | |
8139 | */ | |
8140 | phy_idx = cb->args[0] - 1; | |
8141 | } else { | |
8142 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
8143 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
8144 | nl80211_policy); | |
8145 | if (err) | |
5fe231e8 | 8146 | goto out_err; |
00918d33 | 8147 | |
2bd7e35d JB |
8148 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
8149 | nl80211_fam.attrbuf); | |
8150 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
8151 | err = PTR_ERR(rdev); |
8152 | goto out_err; | |
00918d33 | 8153 | } |
2bd7e35d JB |
8154 | phy_idx = rdev->wiphy_idx; |
8155 | rdev = NULL; | |
2bd7e35d | 8156 | |
71063f0e WYG |
8157 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
8158 | cb->args[1] = | |
8159 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
8160 | } | |
8161 | ||
8162 | if (cb->args[1]) { | |
8163 | data = nla_data((void *)cb->args[1]); | |
8164 | data_len = nla_len((void *)cb->args[1]); | |
8165 | } | |
8166 | ||
00918d33 JB |
8167 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
8168 | if (!rdev) { | |
5fe231e8 JB |
8169 | err = -ENOENT; |
8170 | goto out_err; | |
71063f0e | 8171 | } |
71063f0e | 8172 | |
00918d33 | 8173 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
8174 | err = -EOPNOTSUPP; |
8175 | goto out_err; | |
8176 | } | |
8177 | ||
8178 | while (1) { | |
15e47304 | 8179 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
8180 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8181 | NL80211_CMD_TESTMODE); | |
8182 | struct nlattr *tmdata; | |
8183 | ||
cb35fba3 DC |
8184 | if (!hdr) |
8185 | break; | |
8186 | ||
9360ffd1 | 8187 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
8188 | genlmsg_cancel(skb, hdr); |
8189 | break; | |
8190 | } | |
8191 | ||
8192 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
8193 | if (!tmdata) { | |
8194 | genlmsg_cancel(skb, hdr); | |
8195 | break; | |
8196 | } | |
e35e4d28 | 8197 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
8198 | nla_nest_end(skb, tmdata); |
8199 | ||
8200 | if (err == -ENOBUFS || err == -ENOENT) { | |
8201 | genlmsg_cancel(skb, hdr); | |
8202 | break; | |
8203 | } else if (err) { | |
8204 | genlmsg_cancel(skb, hdr); | |
8205 | goto out_err; | |
8206 | } | |
8207 | ||
8208 | genlmsg_end(skb, hdr); | |
8209 | } | |
8210 | ||
8211 | err = skb->len; | |
8212 | /* see above */ | |
8213 | cb->args[0] = phy_idx + 1; | |
8214 | out_err: | |
5fe231e8 | 8215 | rtnl_unlock(); |
71063f0e WYG |
8216 | return err; |
8217 | } | |
aff89a9b JB |
8218 | #endif |
8219 | ||
b23aa676 SO |
8220 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
8221 | { | |
4c476991 JB |
8222 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8223 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
8224 | struct cfg80211_connect_params connect; |
8225 | struct wiphy *wiphy; | |
fffd0934 | 8226 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
8227 | int err; |
8228 | ||
8229 | memset(&connect, 0, sizeof(connect)); | |
8230 | ||
8231 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8232 | return -EINVAL; | |
8233 | ||
8234 | if (!info->attrs[NL80211_ATTR_SSID] || | |
8235 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
8236 | return -EINVAL; | |
8237 | ||
8238 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
8239 | connect.auth_type = | |
8240 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
8241 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
8242 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
8243 | return -EINVAL; |
8244 | } else | |
8245 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
8246 | ||
8247 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
8248 | ||
c0692b8f | 8249 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 8250 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
8251 | if (err) |
8252 | return err; | |
b23aa676 | 8253 | |
074ac8df | 8254 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8255 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8256 | return -EOPNOTSUPP; | |
b23aa676 | 8257 | |
79c97e97 | 8258 | wiphy = &rdev->wiphy; |
b23aa676 | 8259 | |
4486ea98 BS |
8260 | connect.bg_scan_period = -1; |
8261 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
8262 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
8263 | connect.bg_scan_period = | |
8264 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
8265 | } | |
8266 | ||
b23aa676 SO |
8267 | if (info->attrs[NL80211_ATTR_MAC]) |
8268 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
8269 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
8270 | connect.bssid_hint = | |
8271 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
8272 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8273 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8274 | ||
8275 | if (info->attrs[NL80211_ATTR_IE]) { | |
8276 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8277 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8278 | } | |
8279 | ||
cee00a95 JM |
8280 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
8281 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
8282 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
8283 | connect.mfp != NL80211_MFP_NO) | |
8284 | return -EINVAL; | |
8285 | } else { | |
8286 | connect.mfp = NL80211_MFP_NO; | |
8287 | } | |
8288 | ||
ba6fbacf JM |
8289 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
8290 | connect.prev_bssid = | |
8291 | nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
8292 | ||
b23aa676 | 8293 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
8294 | connect.channel = nl80211_get_valid_chan( |
8295 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8296 | if (!connect.channel) | |
1df4a510 JM |
8297 | return -EINVAL; |
8298 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
8299 | connect.channel_hint = nl80211_get_valid_chan( |
8300 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
8301 | if (!connect.channel_hint) | |
4c476991 | 8302 | return -EINVAL; |
b23aa676 SO |
8303 | } |
8304 | ||
fffd0934 JB |
8305 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
8306 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 8307 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
8308 | if (IS_ERR(connkeys)) |
8309 | return PTR_ERR(connkeys); | |
fffd0934 JB |
8310 | } |
8311 | ||
7e7c8926 BG |
8312 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
8313 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
8314 | ||
8315 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8316 | memcpy(&connect.ht_capa_mask, | |
8317 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8318 | sizeof(connect.ht_capa_mask)); | |
8319 | ||
8320 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 8321 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 8322 | kzfree(connkeys); |
7e7c8926 | 8323 | return -EINVAL; |
b4e4f47e | 8324 | } |
7e7c8926 BG |
8325 | memcpy(&connect.ht_capa, |
8326 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8327 | sizeof(connect.ht_capa)); | |
8328 | } | |
8329 | ||
ee2aca34 JB |
8330 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
8331 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
8332 | ||
8333 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
8334 | memcpy(&connect.vht_capa_mask, | |
8335 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8336 | sizeof(connect.vht_capa_mask)); | |
8337 | ||
8338 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
8339 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 8340 | kzfree(connkeys); |
ee2aca34 JB |
8341 | return -EINVAL; |
8342 | } | |
8343 | memcpy(&connect.vht_capa, | |
8344 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8345 | sizeof(connect.vht_capa)); | |
8346 | } | |
8347 | ||
bab5ab7d | 8348 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8349 | if (!((rdev->wiphy.features & |
8350 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8351 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8352 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8353 | NL80211_EXT_FEATURE_RRM)) { | |
707554b4 | 8354 | kzfree(connkeys); |
bab5ab7d | 8355 | return -EINVAL; |
707554b4 | 8356 | } |
bab5ab7d AK |
8357 | connect.flags |= ASSOC_REQ_USE_RRM; |
8358 | } | |
8359 | ||
34d50519 | 8360 | connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
57fbcce3 | 8361 | if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) { |
34d50519 LD |
8362 | kzfree(connkeys); |
8363 | return -EOPNOTSUPP; | |
8364 | } | |
8365 | ||
38de03d2 AS |
8366 | if (info->attrs[NL80211_ATTR_BSS_SELECT]) { |
8367 | /* bss selection makes no sense if bssid is set */ | |
8368 | if (connect.bssid) { | |
8369 | kzfree(connkeys); | |
8370 | return -EINVAL; | |
8371 | } | |
8372 | ||
8373 | err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT], | |
8374 | wiphy, &connect.bss_select); | |
8375 | if (err) { | |
8376 | kzfree(connkeys); | |
8377 | return err; | |
8378 | } | |
8379 | } | |
8380 | ||
83739b03 | 8381 | wdev_lock(dev->ieee80211_ptr); |
4ce2bd9c JM |
8382 | err = cfg80211_connect(rdev, dev, &connect, connkeys, |
8383 | connect.prev_bssid); | |
83739b03 | 8384 | wdev_unlock(dev->ieee80211_ptr); |
fffd0934 | 8385 | if (err) |
b47f610b | 8386 | kzfree(connkeys); |
b23aa676 SO |
8387 | return err; |
8388 | } | |
8389 | ||
8390 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
8391 | { | |
4c476991 JB |
8392 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8393 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 8394 | u16 reason; |
83739b03 | 8395 | int ret; |
b23aa676 SO |
8396 | |
8397 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8398 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
8399 | else | |
8400 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
8401 | ||
8402 | if (reason == 0) | |
8403 | return -EINVAL; | |
8404 | ||
074ac8df | 8405 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8406 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8407 | return -EOPNOTSUPP; | |
b23aa676 | 8408 | |
83739b03 JB |
8409 | wdev_lock(dev->ieee80211_ptr); |
8410 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
8411 | wdev_unlock(dev->ieee80211_ptr); | |
8412 | return ret; | |
b23aa676 SO |
8413 | } |
8414 | ||
463d0183 JB |
8415 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
8416 | { | |
4c476991 | 8417 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
8418 | struct net *net; |
8419 | int err; | |
463d0183 | 8420 | |
4b681c82 VK |
8421 | if (info->attrs[NL80211_ATTR_PID]) { |
8422 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
8423 | ||
8424 | net = get_net_ns_by_pid(pid); | |
8425 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
8426 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 8427 | |
4b681c82 VK |
8428 | net = get_net_ns_by_fd(fd); |
8429 | } else { | |
8430 | return -EINVAL; | |
8431 | } | |
463d0183 | 8432 | |
4c476991 JB |
8433 | if (IS_ERR(net)) |
8434 | return PTR_ERR(net); | |
463d0183 JB |
8435 | |
8436 | err = 0; | |
8437 | ||
8438 | /* check if anything to do */ | |
4c476991 JB |
8439 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
8440 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 8441 | |
463d0183 | 8442 | put_net(net); |
463d0183 JB |
8443 | return err; |
8444 | } | |
8445 | ||
67fbb16b SO |
8446 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
8447 | { | |
4c476991 | 8448 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
8449 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
8450 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 8451 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
8452 | struct cfg80211_pmksa pmksa; |
8453 | ||
8454 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
8455 | ||
8456 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8457 | return -EINVAL; | |
8458 | ||
8459 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
8460 | return -EINVAL; | |
8461 | ||
67fbb16b SO |
8462 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
8463 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8464 | ||
074ac8df | 8465 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8466 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8467 | return -EOPNOTSUPP; | |
67fbb16b SO |
8468 | |
8469 | switch (info->genlhdr->cmd) { | |
8470 | case NL80211_CMD_SET_PMKSA: | |
8471 | rdev_ops = rdev->ops->set_pmksa; | |
8472 | break; | |
8473 | case NL80211_CMD_DEL_PMKSA: | |
8474 | rdev_ops = rdev->ops->del_pmksa; | |
8475 | break; | |
8476 | default: | |
8477 | WARN_ON(1); | |
8478 | break; | |
8479 | } | |
8480 | ||
4c476991 JB |
8481 | if (!rdev_ops) |
8482 | return -EOPNOTSUPP; | |
67fbb16b | 8483 | |
4c476991 | 8484 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
8485 | } |
8486 | ||
8487 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
8488 | { | |
4c476991 JB |
8489 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8490 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 8491 | |
074ac8df | 8492 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8493 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8494 | return -EOPNOTSUPP; | |
67fbb16b | 8495 | |
4c476991 JB |
8496 | if (!rdev->ops->flush_pmksa) |
8497 | return -EOPNOTSUPP; | |
67fbb16b | 8498 | |
e35e4d28 | 8499 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
8500 | } |
8501 | ||
109086ce AN |
8502 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
8503 | { | |
8504 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8505 | struct net_device *dev = info->user_ptr[1]; | |
8506 | u8 action_code, dialog_token; | |
df942e7b | 8507 | u32 peer_capability = 0; |
109086ce AN |
8508 | u16 status_code; |
8509 | u8 *peer; | |
31fa97c5 | 8510 | bool initiator; |
109086ce AN |
8511 | |
8512 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
8513 | !rdev->ops->tdls_mgmt) | |
8514 | return -EOPNOTSUPP; | |
8515 | ||
8516 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
8517 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
8518 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
8519 | !info->attrs[NL80211_ATTR_IE] || | |
8520 | !info->attrs[NL80211_ATTR_MAC]) | |
8521 | return -EINVAL; | |
8522 | ||
8523 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8524 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
8525 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
8526 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 8527 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
8528 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
8529 | peer_capability = | |
8530 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 8531 | |
e35e4d28 | 8532 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 8533 | dialog_token, status_code, peer_capability, |
31fa97c5 | 8534 | initiator, |
e35e4d28 HG |
8535 | nla_data(info->attrs[NL80211_ATTR_IE]), |
8536 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
8537 | } |
8538 | ||
8539 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
8540 | { | |
8541 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8542 | struct net_device *dev = info->user_ptr[1]; | |
8543 | enum nl80211_tdls_operation operation; | |
8544 | u8 *peer; | |
8545 | ||
8546 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
8547 | !rdev->ops->tdls_oper) | |
8548 | return -EOPNOTSUPP; | |
8549 | ||
8550 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
8551 | !info->attrs[NL80211_ATTR_MAC]) | |
8552 | return -EINVAL; | |
8553 | ||
8554 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
8555 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8556 | ||
e35e4d28 | 8557 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
8558 | } |
8559 | ||
9588bbd5 JM |
8560 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
8561 | struct genl_info *info) | |
8562 | { | |
4c476991 | 8563 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8564 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 8565 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
8566 | struct sk_buff *msg; |
8567 | void *hdr; | |
8568 | u64 cookie; | |
683b6d3b | 8569 | u32 duration; |
9588bbd5 JM |
8570 | int err; |
8571 | ||
8572 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
8573 | !info->attrs[NL80211_ATTR_DURATION]) | |
8574 | return -EINVAL; | |
8575 | ||
8576 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
8577 | ||
ebf348fc JB |
8578 | if (!rdev->ops->remain_on_channel || |
8579 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
8580 | return -EOPNOTSUPP; | |
8581 | ||
9588bbd5 | 8582 | /* |
ebf348fc JB |
8583 | * We should be on that channel for at least a minimum amount of |
8584 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 8585 | */ |
ebf348fc | 8586 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 8587 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
8588 | return -EINVAL; |
8589 | ||
683b6d3b JB |
8590 | err = nl80211_parse_chandef(rdev, info, &chandef); |
8591 | if (err) | |
8592 | return err; | |
9588bbd5 JM |
8593 | |
8594 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
8595 | if (!msg) |
8596 | return -ENOMEM; | |
9588bbd5 | 8597 | |
15e47304 | 8598 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 8599 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
8600 | if (!hdr) { |
8601 | err = -ENOBUFS; | |
9588bbd5 JM |
8602 | goto free_msg; |
8603 | } | |
8604 | ||
683b6d3b JB |
8605 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
8606 | duration, &cookie); | |
9588bbd5 JM |
8607 | |
8608 | if (err) | |
8609 | goto free_msg; | |
8610 | ||
2dad624e ND |
8611 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
8612 | NL80211_ATTR_PAD)) | |
9360ffd1 | 8613 | goto nla_put_failure; |
9588bbd5 JM |
8614 | |
8615 | genlmsg_end(msg, hdr); | |
4c476991 JB |
8616 | |
8617 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
8618 | |
8619 | nla_put_failure: | |
8620 | err = -ENOBUFS; | |
8621 | free_msg: | |
8622 | nlmsg_free(msg); | |
9588bbd5 JM |
8623 | return err; |
8624 | } | |
8625 | ||
8626 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
8627 | struct genl_info *info) | |
8628 | { | |
4c476991 | 8629 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8630 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 8631 | u64 cookie; |
9588bbd5 JM |
8632 | |
8633 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
8634 | return -EINVAL; | |
8635 | ||
4c476991 JB |
8636 | if (!rdev->ops->cancel_remain_on_channel) |
8637 | return -EOPNOTSUPP; | |
9588bbd5 | 8638 | |
9588bbd5 JM |
8639 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
8640 | ||
e35e4d28 | 8641 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
8642 | } |
8643 | ||
13ae75b1 JM |
8644 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
8645 | u8 *rates, u8 rates_len) | |
8646 | { | |
8647 | u8 i; | |
8648 | u32 mask = 0; | |
8649 | ||
8650 | for (i = 0; i < rates_len; i++) { | |
8651 | int rate = (rates[i] & 0x7f) * 5; | |
8652 | int ridx; | |
7a087e74 | 8653 | |
13ae75b1 JM |
8654 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { |
8655 | struct ieee80211_rate *srate = | |
8656 | &sband->bitrates[ridx]; | |
8657 | if (rate == srate->bitrate) { | |
8658 | mask |= 1 << ridx; | |
8659 | break; | |
8660 | } | |
8661 | } | |
8662 | if (ridx == sband->n_bitrates) | |
8663 | return 0; /* rate not found */ | |
8664 | } | |
8665 | ||
8666 | return mask; | |
8667 | } | |
8668 | ||
24db78c0 SW |
8669 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
8670 | u8 *rates, u8 rates_len, | |
8671 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
8672 | { | |
8673 | u8 i; | |
8674 | ||
8675 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
8676 | ||
8677 | for (i = 0; i < rates_len; i++) { | |
8678 | int ridx, rbit; | |
8679 | ||
8680 | ridx = rates[i] / 8; | |
8681 | rbit = BIT(rates[i] % 8); | |
8682 | ||
8683 | /* check validity */ | |
910570b5 | 8684 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
8685 | return false; |
8686 | ||
8687 | /* check availability */ | |
8688 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
8689 | mcs[ridx] |= rbit; | |
8690 | else | |
8691 | return false; | |
8692 | } | |
8693 | ||
8694 | return true; | |
8695 | } | |
8696 | ||
204e35a9 JD |
8697 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) |
8698 | { | |
8699 | u16 mcs_mask = 0; | |
8700 | ||
8701 | switch (vht_mcs_map) { | |
8702 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
8703 | break; | |
8704 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
8705 | mcs_mask = 0x00FF; | |
8706 | break; | |
8707 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
8708 | mcs_mask = 0x01FF; | |
8709 | break; | |
8710 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
8711 | mcs_mask = 0x03FF; | |
8712 | break; | |
8713 | default: | |
8714 | break; | |
8715 | } | |
8716 | ||
8717 | return mcs_mask; | |
8718 | } | |
8719 | ||
8720 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
8721 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
8722 | { | |
8723 | u8 nss; | |
8724 | ||
8725 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
8726 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
8727 | vht_mcs_map >>= 2; | |
8728 | } | |
8729 | } | |
8730 | ||
8731 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
8732 | struct nl80211_txrate_vht *txrate, | |
8733 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
8734 | { | |
8735 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
8736 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
8737 | u8 i; | |
8738 | ||
8739 | if (!sband->vht_cap.vht_supported) | |
8740 | return false; | |
8741 | ||
8742 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
8743 | ||
8744 | /* Build vht_mcs_mask from VHT capabilities */ | |
8745 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
8746 | ||
8747 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8748 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
8749 | mcs[i] = txrate->mcs[i]; | |
8750 | else | |
8751 | return false; | |
8752 | } | |
8753 | ||
8754 | return true; | |
8755 | } | |
8756 | ||
b54452b0 | 8757 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
8758 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
8759 | .len = NL80211_MAX_SUPP_RATES }, | |
d1e33e65 JD |
8760 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, |
8761 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
204e35a9 | 8762 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, |
0b9323f6 | 8763 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, |
13ae75b1 JM |
8764 | }; |
8765 | ||
8766 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
8767 | struct genl_info *info) | |
8768 | { | |
8769 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 8770 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 8771 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
8772 | int rem, i; |
8773 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
8774 | struct nlattr *tx_rates; |
8775 | struct ieee80211_supported_band *sband; | |
204e35a9 | 8776 | u16 vht_tx_mcs_map; |
13ae75b1 | 8777 | |
4c476991 JB |
8778 | if (!rdev->ops->set_bitrate_mask) |
8779 | return -EOPNOTSUPP; | |
13ae75b1 JM |
8780 | |
8781 | memset(&mask, 0, sizeof(mask)); | |
8782 | /* Default to all rates enabled */ | |
57fbcce3 | 8783 | for (i = 0; i < NUM_NL80211_BANDS; i++) { |
13ae75b1 | 8784 | sband = rdev->wiphy.bands[i]; |
7869303b JD |
8785 | |
8786 | if (!sband) | |
8787 | continue; | |
8788 | ||
8789 | mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | |
d1e33e65 | 8790 | memcpy(mask.control[i].ht_mcs, |
7869303b | 8791 | sband->ht_cap.mcs.rx_mask, |
d1e33e65 | 8792 | sizeof(mask.control[i].ht_mcs)); |
204e35a9 JD |
8793 | |
8794 | if (!sband->vht_cap.vht_supported) | |
8795 | continue; | |
8796 | ||
8797 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
8798 | vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); | |
13ae75b1 JM |
8799 | } |
8800 | ||
b9243ab0 JD |
8801 | /* if no rates are given set it back to the defaults */ |
8802 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
8803 | goto out; | |
8804 | ||
13ae75b1 JM |
8805 | /* |
8806 | * The nested attribute uses enum nl80211_band as the index. This maps | |
57fbcce3 | 8807 | * directly to the enum nl80211_band values used in cfg80211. |
13ae75b1 | 8808 | */ |
24db78c0 | 8809 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
ae811e21 | 8810 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { |
57fbcce3 | 8811 | enum nl80211_band band = nla_type(tx_rates); |
ae811e21 JB |
8812 | int err; |
8813 | ||
57fbcce3 | 8814 | if (band < 0 || band >= NUM_NL80211_BANDS) |
4c476991 | 8815 | return -EINVAL; |
13ae75b1 | 8816 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
8817 | if (sband == NULL) |
8818 | return -EINVAL; | |
ae811e21 JB |
8819 | err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
8820 | nla_len(tx_rates), nl80211_txattr_policy); | |
8821 | if (err) | |
8822 | return err; | |
13ae75b1 JM |
8823 | if (tb[NL80211_TXRATE_LEGACY]) { |
8824 | mask.control[band].legacy = rateset_to_mask( | |
8825 | sband, | |
8826 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
8827 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
8828 | if ((mask.control[band].legacy == 0) && |
8829 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
8830 | return -EINVAL; | |
24db78c0 | 8831 | } |
d1e33e65 | 8832 | if (tb[NL80211_TXRATE_HT]) { |
24db78c0 SW |
8833 | if (!ht_rateset_to_mask( |
8834 | sband, | |
d1e33e65 JD |
8835 | nla_data(tb[NL80211_TXRATE_HT]), |
8836 | nla_len(tb[NL80211_TXRATE_HT]), | |
8837 | mask.control[band].ht_mcs)) | |
24db78c0 SW |
8838 | return -EINVAL; |
8839 | } | |
204e35a9 JD |
8840 | if (tb[NL80211_TXRATE_VHT]) { |
8841 | if (!vht_set_mcs_mask( | |
8842 | sband, | |
8843 | nla_data(tb[NL80211_TXRATE_VHT]), | |
8844 | mask.control[band].vht_mcs)) | |
8845 | return -EINVAL; | |
8846 | } | |
0b9323f6 JD |
8847 | if (tb[NL80211_TXRATE_GI]) { |
8848 | mask.control[band].gi = | |
8849 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
8850 | if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
8851 | return -EINVAL; | |
8852 | } | |
24db78c0 SW |
8853 | |
8854 | if (mask.control[band].legacy == 0) { | |
204e35a9 JD |
8855 | /* don't allow empty legacy rates if HT or VHT |
8856 | * are not even supported. | |
8857 | */ | |
8858 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
8859 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
24db78c0 SW |
8860 | return -EINVAL; |
8861 | ||
8862 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
d1e33e65 | 8863 | if (mask.control[band].ht_mcs[i]) |
204e35a9 JD |
8864 | goto out; |
8865 | ||
8866 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
8867 | if (mask.control[band].vht_mcs[i]) | |
8868 | goto out; | |
24db78c0 SW |
8869 | |
8870 | /* legacy and mcs rates may not be both empty */ | |
204e35a9 | 8871 | return -EINVAL; |
13ae75b1 JM |
8872 | } |
8873 | } | |
8874 | ||
b9243ab0 | 8875 | out: |
e35e4d28 | 8876 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
8877 | } |
8878 | ||
2e161f78 | 8879 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 8880 | { |
4c476991 | 8881 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8882 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 8883 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
8884 | |
8885 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
8886 | return -EINVAL; | |
8887 | ||
2e161f78 JB |
8888 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
8889 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 8890 | |
71bbc994 JB |
8891 | switch (wdev->iftype) { |
8892 | case NL80211_IFTYPE_STATION: | |
8893 | case NL80211_IFTYPE_ADHOC: | |
8894 | case NL80211_IFTYPE_P2P_CLIENT: | |
8895 | case NL80211_IFTYPE_AP: | |
8896 | case NL80211_IFTYPE_AP_VLAN: | |
8897 | case NL80211_IFTYPE_MESH_POINT: | |
8898 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 8899 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
8900 | break; |
8901 | default: | |
4c476991 | 8902 | return -EOPNOTSUPP; |
71bbc994 | 8903 | } |
026331c4 JM |
8904 | |
8905 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
8906 | if (!rdev->ops->mgmt_tx) |
8907 | return -EOPNOTSUPP; | |
026331c4 | 8908 | |
15e47304 | 8909 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
8910 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
8911 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
8912 | } |
8913 | ||
2e161f78 | 8914 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 8915 | { |
4c476991 | 8916 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8917 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 8918 | struct cfg80211_chan_def chandef; |
026331c4 | 8919 | int err; |
d64d373f | 8920 | void *hdr = NULL; |
026331c4 | 8921 | u64 cookie; |
e247bd90 | 8922 | struct sk_buff *msg = NULL; |
b176e629 AO |
8923 | struct cfg80211_mgmt_tx_params params = { |
8924 | .dont_wait_for_ack = | |
8925 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
8926 | }; | |
026331c4 | 8927 | |
683b6d3b | 8928 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
8929 | return -EINVAL; |
8930 | ||
4c476991 JB |
8931 | if (!rdev->ops->mgmt_tx) |
8932 | return -EOPNOTSUPP; | |
026331c4 | 8933 | |
71bbc994 | 8934 | switch (wdev->iftype) { |
ea141b75 AQ |
8935 | case NL80211_IFTYPE_P2P_DEVICE: |
8936 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
8937 | return -EINVAL; | |
71bbc994 JB |
8938 | case NL80211_IFTYPE_STATION: |
8939 | case NL80211_IFTYPE_ADHOC: | |
8940 | case NL80211_IFTYPE_P2P_CLIENT: | |
8941 | case NL80211_IFTYPE_AP: | |
8942 | case NL80211_IFTYPE_AP_VLAN: | |
8943 | case NL80211_IFTYPE_MESH_POINT: | |
8944 | case NL80211_IFTYPE_P2P_GO: | |
8945 | break; | |
8946 | default: | |
4c476991 | 8947 | return -EOPNOTSUPP; |
71bbc994 | 8948 | } |
026331c4 | 8949 | |
f7ca38df | 8950 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 8951 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 8952 | return -EINVAL; |
b176e629 | 8953 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
8954 | |
8955 | /* | |
8956 | * We should wait on the channel for at least a minimum amount | |
8957 | * of time (10ms) but no longer than the driver supports. | |
8958 | */ | |
b176e629 AO |
8959 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
8960 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc | 8961 | return -EINVAL; |
f7ca38df JB |
8962 | } |
8963 | ||
b176e629 | 8964 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 8965 | |
b176e629 | 8966 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
8967 | return -EINVAL; |
8968 | ||
b176e629 | 8969 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 8970 | |
ea141b75 AQ |
8971 | /* get the channel if any has been specified, otherwise pass NULL to |
8972 | * the driver. The latter will use the current one | |
8973 | */ | |
8974 | chandef.chan = NULL; | |
8975 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
8976 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
8977 | if (err) | |
8978 | return err; | |
8979 | } | |
8980 | ||
b176e629 | 8981 | if (!chandef.chan && params.offchan) |
ea141b75 | 8982 | return -EINVAL; |
026331c4 | 8983 | |
34d22ce2 AO |
8984 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
8985 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
8986 | ||
8987 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
8988 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
8989 | int i; | |
8990 | ||
8991 | if (len % sizeof(u16)) | |
8992 | return -EINVAL; | |
8993 | ||
8994 | params.n_csa_offsets = len / sizeof(u16); | |
8995 | params.csa_offsets = | |
8996 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
8997 | ||
8998 | /* check that all the offsets fit the frame */ | |
8999 | for (i = 0; i < params.n_csa_offsets; i++) { | |
9000 | if (params.csa_offsets[i] >= params.len) | |
9001 | return -EINVAL; | |
9002 | } | |
9003 | } | |
9004 | ||
b176e629 | 9005 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
9006 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
9007 | if (!msg) | |
9008 | return -ENOMEM; | |
026331c4 | 9009 | |
15e47304 | 9010 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 9011 | NL80211_CMD_FRAME); |
cb35fba3 DC |
9012 | if (!hdr) { |
9013 | err = -ENOBUFS; | |
e247bd90 JB |
9014 | goto free_msg; |
9015 | } | |
026331c4 | 9016 | } |
e247bd90 | 9017 | |
b176e629 AO |
9018 | params.chan = chandef.chan; |
9019 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
9020 | if (err) |
9021 | goto free_msg; | |
9022 | ||
e247bd90 | 9023 | if (msg) { |
2dad624e ND |
9024 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9025 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9026 | goto nla_put_failure; |
026331c4 | 9027 | |
e247bd90 JB |
9028 | genlmsg_end(msg, hdr); |
9029 | return genlmsg_reply(msg, info); | |
9030 | } | |
9031 | ||
9032 | return 0; | |
026331c4 JM |
9033 | |
9034 | nla_put_failure: | |
9035 | err = -ENOBUFS; | |
9036 | free_msg: | |
9037 | nlmsg_free(msg); | |
026331c4 JM |
9038 | return err; |
9039 | } | |
9040 | ||
f7ca38df JB |
9041 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
9042 | { | |
9043 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 9044 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
9045 | u64 cookie; |
9046 | ||
9047 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9048 | return -EINVAL; | |
9049 | ||
9050 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
9051 | return -EOPNOTSUPP; | |
9052 | ||
71bbc994 JB |
9053 | switch (wdev->iftype) { |
9054 | case NL80211_IFTYPE_STATION: | |
9055 | case NL80211_IFTYPE_ADHOC: | |
9056 | case NL80211_IFTYPE_P2P_CLIENT: | |
9057 | case NL80211_IFTYPE_AP: | |
9058 | case NL80211_IFTYPE_AP_VLAN: | |
9059 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9060 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
9061 | break; |
9062 | default: | |
f7ca38df | 9063 | return -EOPNOTSUPP; |
71bbc994 | 9064 | } |
f7ca38df JB |
9065 | |
9066 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
9067 | ||
e35e4d28 | 9068 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
9069 | } |
9070 | ||
ffb9eb3d KV |
9071 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
9072 | { | |
4c476991 | 9073 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 9074 | struct wireless_dev *wdev; |
4c476991 | 9075 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9076 | u8 ps_state; |
9077 | bool state; | |
9078 | int err; | |
9079 | ||
4c476991 JB |
9080 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
9081 | return -EINVAL; | |
ffb9eb3d KV |
9082 | |
9083 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
9084 | ||
4c476991 JB |
9085 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
9086 | return -EINVAL; | |
ffb9eb3d KV |
9087 | |
9088 | wdev = dev->ieee80211_ptr; | |
9089 | ||
4c476991 JB |
9090 | if (!rdev->ops->set_power_mgmt) |
9091 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9092 | |
9093 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
9094 | ||
9095 | if (state == wdev->ps) | |
4c476991 | 9096 | return 0; |
ffb9eb3d | 9097 | |
e35e4d28 | 9098 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
9099 | if (!err) |
9100 | wdev->ps = state; | |
ffb9eb3d KV |
9101 | return err; |
9102 | } | |
9103 | ||
9104 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
9105 | { | |
4c476991 | 9106 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
9107 | enum nl80211_ps_state ps_state; |
9108 | struct wireless_dev *wdev; | |
4c476991 | 9109 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9110 | struct sk_buff *msg; |
9111 | void *hdr; | |
9112 | int err; | |
9113 | ||
ffb9eb3d KV |
9114 | wdev = dev->ieee80211_ptr; |
9115 | ||
4c476991 JB |
9116 | if (!rdev->ops->set_power_mgmt) |
9117 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9118 | |
9119 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9120 | if (!msg) |
9121 | return -ENOMEM; | |
ffb9eb3d | 9122 | |
15e47304 | 9123 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
9124 | NL80211_CMD_GET_POWER_SAVE); |
9125 | if (!hdr) { | |
4c476991 | 9126 | err = -ENOBUFS; |
ffb9eb3d KV |
9127 | goto free_msg; |
9128 | } | |
9129 | ||
9130 | if (wdev->ps) | |
9131 | ps_state = NL80211_PS_ENABLED; | |
9132 | else | |
9133 | ps_state = NL80211_PS_DISABLED; | |
9134 | ||
9360ffd1 DM |
9135 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
9136 | goto nla_put_failure; | |
ffb9eb3d KV |
9137 | |
9138 | genlmsg_end(msg, hdr); | |
4c476991 | 9139 | return genlmsg_reply(msg, info); |
ffb9eb3d | 9140 | |
4c476991 | 9141 | nla_put_failure: |
ffb9eb3d | 9142 | err = -ENOBUFS; |
4c476991 | 9143 | free_msg: |
ffb9eb3d | 9144 | nlmsg_free(msg); |
ffb9eb3d KV |
9145 | return err; |
9146 | } | |
9147 | ||
94e860f1 JB |
9148 | static const struct nla_policy |
9149 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
9150 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
9151 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
9152 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
9153 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
9154 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
9155 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
9156 | }; |
9157 | ||
84f10708 | 9158 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 9159 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
9160 | { |
9161 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 9162 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9163 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 9164 | |
d9d8b019 | 9165 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
9166 | return -EINVAL; |
9167 | ||
84f10708 TP |
9168 | if (!rdev->ops->set_cqm_txe_config) |
9169 | return -EOPNOTSUPP; | |
9170 | ||
9171 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
9172 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
9173 | return -EOPNOTSUPP; | |
9174 | ||
e35e4d28 | 9175 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
9176 | } |
9177 | ||
d6dc1a38 JO |
9178 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
9179 | s32 threshold, u32 hysteresis) | |
9180 | { | |
4c476991 | 9181 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9182 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9183 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
9184 | |
9185 | if (threshold > 0) | |
9186 | return -EINVAL; | |
9187 | ||
1da5fcc8 JB |
9188 | /* disabling - hysteresis should also be zero then */ |
9189 | if (threshold == 0) | |
9190 | hysteresis = 0; | |
d6dc1a38 | 9191 | |
4c476991 JB |
9192 | if (!rdev->ops->set_cqm_rssi_config) |
9193 | return -EOPNOTSUPP; | |
d6dc1a38 | 9194 | |
074ac8df | 9195 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9196 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9197 | return -EOPNOTSUPP; | |
d6dc1a38 | 9198 | |
e35e4d28 | 9199 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
9200 | } |
9201 | ||
9202 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
9203 | { | |
9204 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
9205 | struct nlattr *cqm; | |
9206 | int err; | |
9207 | ||
9208 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
9209 | if (!cqm) |
9210 | return -EINVAL; | |
d6dc1a38 JO |
9211 | |
9212 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
9213 | nl80211_attr_cqm_policy); | |
9214 | if (err) | |
1da5fcc8 | 9215 | return err; |
d6dc1a38 JO |
9216 | |
9217 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
9218 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
9219 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
9220 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 9221 | |
1da5fcc8 JB |
9222 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
9223 | } | |
9224 | ||
9225 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
9226 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
9227 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
9228 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
9229 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
9230 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
9231 | ||
9232 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
9233 | } | |
9234 | ||
9235 | return -EINVAL; | |
d6dc1a38 JO |
9236 | } |
9237 | ||
6e0bd6c3 RL |
9238 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
9239 | { | |
9240 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9241 | struct net_device *dev = info->user_ptr[1]; | |
9242 | struct ocb_setup setup = {}; | |
9243 | int err; | |
9244 | ||
9245 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
9246 | if (err) | |
9247 | return err; | |
9248 | ||
9249 | return cfg80211_join_ocb(rdev, dev, &setup); | |
9250 | } | |
9251 | ||
9252 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
9253 | { | |
9254 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9255 | struct net_device *dev = info->user_ptr[1]; | |
9256 | ||
9257 | return cfg80211_leave_ocb(rdev, dev); | |
9258 | } | |
9259 | ||
29cbe68c JB |
9260 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
9261 | { | |
9262 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9263 | struct net_device *dev = info->user_ptr[1]; | |
9264 | struct mesh_config cfg; | |
c80d545d | 9265 | struct mesh_setup setup; |
29cbe68c JB |
9266 | int err; |
9267 | ||
9268 | /* start with default */ | |
9269 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 9270 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 9271 | |
24bdd9f4 | 9272 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 9273 | /* and parse parameters if given */ |
24bdd9f4 | 9274 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
9275 | if (err) |
9276 | return err; | |
9277 | } | |
9278 | ||
9279 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
9280 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
9281 | return -EINVAL; | |
9282 | ||
c80d545d JC |
9283 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
9284 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
9285 | ||
4bb62344 CYY |
9286 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
9287 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
9288 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
9289 | return -EINVAL; | |
9290 | ||
9bdbf04d MP |
9291 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
9292 | setup.beacon_interval = | |
9293 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 PK |
9294 | |
9295 | err = cfg80211_validate_beacon_int(rdev, setup.beacon_interval); | |
9296 | if (err) | |
9297 | return err; | |
9bdbf04d MP |
9298 | } |
9299 | ||
9300 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
9301 | setup.dtim_period = | |
9302 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
9303 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
9304 | return -EINVAL; | |
9305 | } | |
9306 | ||
c80d545d JC |
9307 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
9308 | /* parse additional setup parameters if given */ | |
9309 | err = nl80211_parse_mesh_setup(info, &setup); | |
9310 | if (err) | |
9311 | return err; | |
9312 | } | |
9313 | ||
d37bb18a TP |
9314 | if (setup.user_mpm) |
9315 | cfg.auto_open_plinks = false; | |
9316 | ||
cc1d2806 | 9317 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
9318 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
9319 | if (err) | |
9320 | return err; | |
cc1d2806 JB |
9321 | } else { |
9322 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 9323 | setup.chandef.chan = NULL; |
cc1d2806 JB |
9324 | } |
9325 | ||
ffb3cf30 AN |
9326 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
9327 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9328 | int n_rates = | |
9329 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9330 | struct ieee80211_supported_band *sband; | |
9331 | ||
9332 | if (!setup.chandef.chan) | |
9333 | return -EINVAL; | |
9334 | ||
9335 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
9336 | ||
9337 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
9338 | &setup.basic_rates); | |
9339 | if (err) | |
9340 | return err; | |
9341 | } | |
9342 | ||
c80d545d | 9343 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
9344 | } |
9345 | ||
9346 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
9347 | { | |
9348 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9349 | struct net_device *dev = info->user_ptr[1]; | |
9350 | ||
9351 | return cfg80211_leave_mesh(rdev, dev); | |
9352 | } | |
9353 | ||
dfb89c56 | 9354 | #ifdef CONFIG_PM |
bb92d199 AK |
9355 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
9356 | struct cfg80211_registered_device *rdev) | |
9357 | { | |
6abb9cb9 | 9358 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
9359 | struct nlattr *nl_pats, *nl_pat; |
9360 | int i, pat_len; | |
9361 | ||
6abb9cb9 | 9362 | if (!wowlan->n_patterns) |
bb92d199 AK |
9363 | return 0; |
9364 | ||
9365 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
9366 | if (!nl_pats) | |
9367 | return -ENOBUFS; | |
9368 | ||
6abb9cb9 | 9369 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
9370 | nl_pat = nla_nest_start(msg, i + 1); |
9371 | if (!nl_pat) | |
9372 | return -ENOBUFS; | |
6abb9cb9 | 9373 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 9374 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 9375 | wowlan->patterns[i].mask) || |
50ac6607 AK |
9376 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
9377 | wowlan->patterns[i].pattern) || | |
9378 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 9379 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
9380 | return -ENOBUFS; |
9381 | nla_nest_end(msg, nl_pat); | |
9382 | } | |
9383 | nla_nest_end(msg, nl_pats); | |
9384 | ||
9385 | return 0; | |
9386 | } | |
9387 | ||
2a0e047e JB |
9388 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
9389 | struct cfg80211_wowlan_tcp *tcp) | |
9390 | { | |
9391 | struct nlattr *nl_tcp; | |
9392 | ||
9393 | if (!tcp) | |
9394 | return 0; | |
9395 | ||
9396 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
9397 | if (!nl_tcp) | |
9398 | return -ENOBUFS; | |
9399 | ||
930345ea JB |
9400 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
9401 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
9402 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
9403 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
9404 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
9405 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
9406 | tcp->payload_len, tcp->payload) || | |
9407 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
9408 | tcp->data_interval) || | |
9409 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
9410 | tcp->wake_len, tcp->wake_data) || | |
9411 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
9412 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
9413 | return -ENOBUFS; | |
9414 | ||
9415 | if (tcp->payload_seq.len && | |
9416 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
9417 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
9418 | return -ENOBUFS; | |
9419 | ||
9420 | if (tcp->payload_tok.len && | |
9421 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
9422 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
9423 | &tcp->payload_tok)) | |
9424 | return -ENOBUFS; | |
9425 | ||
e248ad30 JB |
9426 | nla_nest_end(msg, nl_tcp); |
9427 | ||
2a0e047e JB |
9428 | return 0; |
9429 | } | |
9430 | ||
75453ccb LC |
9431 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
9432 | struct cfg80211_sched_scan_request *req) | |
9433 | { | |
3b06d277 | 9434 | struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan; |
75453ccb LC |
9435 | int i; |
9436 | ||
9437 | if (!req) | |
9438 | return 0; | |
9439 | ||
9440 | nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT); | |
9441 | if (!nd) | |
9442 | return -ENOBUFS; | |
9443 | ||
3b06d277 AS |
9444 | if (req->n_scan_plans == 1 && |
9445 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, | |
9446 | req->scan_plans[0].interval * 1000)) | |
75453ccb LC |
9447 | return -ENOBUFS; |
9448 | ||
21fea567 LC |
9449 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
9450 | return -ENOBUFS; | |
9451 | ||
75453ccb LC |
9452 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
9453 | if (!freqs) | |
9454 | return -ENOBUFS; | |
9455 | ||
53b18980 JB |
9456 | for (i = 0; i < req->n_channels; i++) { |
9457 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9458 | return -ENOBUFS; | |
9459 | } | |
75453ccb LC |
9460 | |
9461 | nla_nest_end(msg, freqs); | |
9462 | ||
9463 | if (req->n_match_sets) { | |
9464 | matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
76e1fb4b JB |
9465 | if (!matches) |
9466 | return -ENOBUFS; | |
9467 | ||
75453ccb LC |
9468 | for (i = 0; i < req->n_match_sets; i++) { |
9469 | match = nla_nest_start(msg, i); | |
76e1fb4b JB |
9470 | if (!match) |
9471 | return -ENOBUFS; | |
9472 | ||
53b18980 JB |
9473 | if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, |
9474 | req->match_sets[i].ssid.ssid_len, | |
9475 | req->match_sets[i].ssid.ssid)) | |
9476 | return -ENOBUFS; | |
75453ccb LC |
9477 | nla_nest_end(msg, match); |
9478 | } | |
9479 | nla_nest_end(msg, matches); | |
9480 | } | |
9481 | ||
3b06d277 AS |
9482 | scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS); |
9483 | if (!scan_plans) | |
9484 | return -ENOBUFS; | |
9485 | ||
9486 | for (i = 0; i < req->n_scan_plans; i++) { | |
9487 | scan_plan = nla_nest_start(msg, i + 1); | |
76e1fb4b JB |
9488 | if (!scan_plan) |
9489 | return -ENOBUFS; | |
9490 | ||
3b06d277 AS |
9491 | if (!scan_plan || |
9492 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, | |
9493 | req->scan_plans[i].interval) || | |
9494 | (req->scan_plans[i].iterations && | |
9495 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, | |
9496 | req->scan_plans[i].iterations))) | |
9497 | return -ENOBUFS; | |
9498 | nla_nest_end(msg, scan_plan); | |
9499 | } | |
9500 | nla_nest_end(msg, scan_plans); | |
9501 | ||
75453ccb LC |
9502 | nla_nest_end(msg, nd); |
9503 | ||
9504 | return 0; | |
9505 | } | |
9506 | ||
ff1b6e69 JB |
9507 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
9508 | { | |
9509 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9510 | struct sk_buff *msg; | |
9511 | void *hdr; | |
2a0e047e | 9512 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 9513 | |
964dc9e2 | 9514 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
9515 | return -EOPNOTSUPP; |
9516 | ||
6abb9cb9 | 9517 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 9518 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
9519 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
9520 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
9521 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
9522 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
9523 | } |
9524 | ||
9525 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
9526 | if (!msg) |
9527 | return -ENOMEM; | |
9528 | ||
15e47304 | 9529 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
9530 | NL80211_CMD_GET_WOWLAN); |
9531 | if (!hdr) | |
9532 | goto nla_put_failure; | |
9533 | ||
6abb9cb9 | 9534 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
9535 | struct nlattr *nl_wowlan; |
9536 | ||
9537 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
9538 | if (!nl_wowlan) | |
9539 | goto nla_put_failure; | |
9540 | ||
6abb9cb9 | 9541 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 9542 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 9543 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 9544 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 9545 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 9546 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 9547 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 9548 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 9549 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 9550 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 9551 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 9552 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 9553 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
9554 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
9555 | goto nla_put_failure; | |
2a0e047e | 9556 | |
bb92d199 AK |
9557 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
9558 | goto nla_put_failure; | |
2a0e047e | 9559 | |
6abb9cb9 JB |
9560 | if (nl80211_send_wowlan_tcp(msg, |
9561 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 9562 | goto nla_put_failure; |
75453ccb LC |
9563 | |
9564 | if (nl80211_send_wowlan_nd( | |
9565 | msg, | |
9566 | rdev->wiphy.wowlan_config->nd_config)) | |
9567 | goto nla_put_failure; | |
2a0e047e | 9568 | |
ff1b6e69 JB |
9569 | nla_nest_end(msg, nl_wowlan); |
9570 | } | |
9571 | ||
9572 | genlmsg_end(msg, hdr); | |
9573 | return genlmsg_reply(msg, info); | |
9574 | ||
9575 | nla_put_failure: | |
9576 | nlmsg_free(msg); | |
9577 | return -ENOBUFS; | |
9578 | } | |
9579 | ||
2a0e047e JB |
9580 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
9581 | struct nlattr *attr, | |
9582 | struct cfg80211_wowlan *trig) | |
9583 | { | |
9584 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
9585 | struct cfg80211_wowlan_tcp *cfg; | |
9586 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
9587 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
9588 | u32 size; | |
9589 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
9590 | int err, port; | |
9591 | ||
964dc9e2 | 9592 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
9593 | return -EINVAL; |
9594 | ||
9595 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
9596 | nla_data(attr), nla_len(attr), | |
9597 | nl80211_wowlan_tcp_policy); | |
9598 | if (err) | |
9599 | return err; | |
9600 | ||
9601 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
9602 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
9603 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
9604 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
9605 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
9606 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
9607 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
9608 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
9609 | return -EINVAL; | |
9610 | ||
9611 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 9612 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
9613 | return -EINVAL; |
9614 | ||
9615 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 9616 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 9617 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
9618 | return -EINVAL; |
9619 | ||
9620 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 9621 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
9622 | return -EINVAL; |
9623 | ||
9624 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
9625 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
9626 | return -EINVAL; | |
9627 | ||
9628 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
9629 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9630 | ||
9631 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9632 | tokens_size = tokln - sizeof(*tok); | |
9633 | ||
9634 | if (!tok->len || tokens_size % tok->len) | |
9635 | return -EINVAL; | |
964dc9e2 | 9636 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 9637 | return -EINVAL; |
964dc9e2 | 9638 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 9639 | return -EINVAL; |
964dc9e2 | 9640 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 9641 | return -EINVAL; |
964dc9e2 | 9642 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
9643 | return -EINVAL; |
9644 | if (tok->offset + tok->len > data_size) | |
9645 | return -EINVAL; | |
9646 | } | |
9647 | ||
9648 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
9649 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 9650 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
9651 | return -EINVAL; |
9652 | if (seq->len == 0 || seq->len > 4) | |
9653 | return -EINVAL; | |
9654 | if (seq->len + seq->offset > data_size) | |
9655 | return -EINVAL; | |
9656 | } | |
9657 | ||
9658 | size = sizeof(*cfg); | |
9659 | size += data_size; | |
9660 | size += wake_size + wake_mask_size; | |
9661 | size += tokens_size; | |
9662 | ||
9663 | cfg = kzalloc(size, GFP_KERNEL); | |
9664 | if (!cfg) | |
9665 | return -ENOMEM; | |
67b61f6c JB |
9666 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
9667 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
9668 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
9669 | ETH_ALEN); | |
9670 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
9671 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
9672 | else | |
9673 | port = 0; | |
9674 | #ifdef CONFIG_INET | |
9675 | /* allocate a socket and port for it and use it */ | |
9676 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
9677 | IPPROTO_TCP, &cfg->sock, 1); | |
9678 | if (err) { | |
9679 | kfree(cfg); | |
9680 | return err; | |
9681 | } | |
9682 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
9683 | sock_release(cfg->sock); | |
9684 | kfree(cfg); | |
9685 | return -EADDRINUSE; | |
9686 | } | |
9687 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
9688 | #else | |
9689 | if (!port) { | |
9690 | kfree(cfg); | |
9691 | return -EINVAL; | |
9692 | } | |
9693 | cfg->src_port = port; | |
9694 | #endif | |
9695 | ||
9696 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
9697 | cfg->payload_len = data_size; | |
9698 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
9699 | memcpy((void *)cfg->payload, | |
9700 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
9701 | data_size); | |
9702 | if (seq) | |
9703 | cfg->payload_seq = *seq; | |
9704 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
9705 | cfg->wake_len = wake_size; | |
9706 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
9707 | memcpy((void *)cfg->wake_data, | |
9708 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
9709 | wake_size); | |
9710 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
9711 | data_size + wake_size; | |
9712 | memcpy((void *)cfg->wake_mask, | |
9713 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
9714 | wake_mask_size); | |
9715 | if (tok) { | |
9716 | cfg->tokens_size = tokens_size; | |
9717 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
9718 | } | |
9719 | ||
9720 | trig->tcp = cfg; | |
9721 | ||
9722 | return 0; | |
9723 | } | |
9724 | ||
8cd4d456 LC |
9725 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
9726 | const struct wiphy_wowlan_support *wowlan, | |
9727 | struct nlattr *attr, | |
9728 | struct cfg80211_wowlan *trig) | |
9729 | { | |
9730 | struct nlattr **tb; | |
9731 | int err; | |
9732 | ||
9733 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
9734 | if (!tb) | |
9735 | return -ENOMEM; | |
9736 | ||
9737 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
9738 | err = -EOPNOTSUPP; | |
9739 | goto out; | |
9740 | } | |
9741 | ||
9742 | err = nla_parse(tb, NL80211_ATTR_MAX, | |
9743 | nla_data(attr), nla_len(attr), | |
9744 | nl80211_policy); | |
9745 | if (err) | |
9746 | goto out; | |
9747 | ||
ad2b26ab | 9748 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb); |
8cd4d456 LC |
9749 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
9750 | if (err) | |
9751 | trig->nd_config = NULL; | |
9752 | ||
9753 | out: | |
9754 | kfree(tb); | |
9755 | return err; | |
9756 | } | |
9757 | ||
ff1b6e69 JB |
9758 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
9759 | { | |
9760 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9761 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 9762 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 9763 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 9764 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 9765 | int err, i; |
6abb9cb9 | 9766 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 9767 | bool regular = false; |
ff1b6e69 | 9768 | |
964dc9e2 | 9769 | if (!wowlan) |
ff1b6e69 JB |
9770 | return -EOPNOTSUPP; |
9771 | ||
ae33bd81 JB |
9772 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
9773 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 9774 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
9775 | goto set_wakeup; |
9776 | } | |
ff1b6e69 JB |
9777 | |
9778 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
9779 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
9780 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
9781 | nl80211_wowlan_policy); | |
9782 | if (err) | |
9783 | return err; | |
9784 | ||
9785 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
9786 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
9787 | return -EINVAL; | |
9788 | new_triggers.any = true; | |
9789 | } | |
9790 | ||
9791 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
9792 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
9793 | return -EINVAL; | |
9794 | new_triggers.disconnect = true; | |
98fc4386 | 9795 | regular = true; |
ff1b6e69 JB |
9796 | } |
9797 | ||
9798 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
9799 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
9800 | return -EINVAL; | |
9801 | new_triggers.magic_pkt = true; | |
98fc4386 | 9802 | regular = true; |
ff1b6e69 JB |
9803 | } |
9804 | ||
77dbbb13 JB |
9805 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
9806 | return -EINVAL; | |
9807 | ||
9808 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
9809 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
9810 | return -EINVAL; | |
9811 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 9812 | regular = true; |
77dbbb13 JB |
9813 | } |
9814 | ||
9815 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
9816 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
9817 | return -EINVAL; | |
9818 | new_triggers.eap_identity_req = true; | |
98fc4386 | 9819 | regular = true; |
77dbbb13 JB |
9820 | } |
9821 | ||
9822 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
9823 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
9824 | return -EINVAL; | |
9825 | new_triggers.four_way_handshake = true; | |
98fc4386 | 9826 | regular = true; |
77dbbb13 JB |
9827 | } |
9828 | ||
9829 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
9830 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
9831 | return -EINVAL; | |
9832 | new_triggers.rfkill_release = true; | |
98fc4386 | 9833 | regular = true; |
77dbbb13 JB |
9834 | } |
9835 | ||
ff1b6e69 JB |
9836 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
9837 | struct nlattr *pat; | |
9838 | int n_patterns = 0; | |
bb92d199 | 9839 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 9840 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 9841 | |
98fc4386 JB |
9842 | regular = true; |
9843 | ||
ff1b6e69 JB |
9844 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
9845 | rem) | |
9846 | n_patterns++; | |
9847 | if (n_patterns > wowlan->n_patterns) | |
9848 | return -EINVAL; | |
9849 | ||
9850 | new_triggers.patterns = kcalloc(n_patterns, | |
9851 | sizeof(new_triggers.patterns[0]), | |
9852 | GFP_KERNEL); | |
9853 | if (!new_triggers.patterns) | |
9854 | return -ENOMEM; | |
9855 | ||
9856 | new_triggers.n_patterns = n_patterns; | |
9857 | i = 0; | |
9858 | ||
9859 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
9860 | rem) { | |
922bd80f JB |
9861 | u8 *mask_pat; |
9862 | ||
50ac6607 AK |
9863 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
9864 | nla_len(pat), NULL); | |
ff1b6e69 | 9865 | err = -EINVAL; |
50ac6607 AK |
9866 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
9867 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 9868 | goto error; |
50ac6607 | 9869 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 9870 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 9871 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
9872 | goto error; |
9873 | if (pat_len > wowlan->pattern_max_len || | |
9874 | pat_len < wowlan->pattern_min_len) | |
9875 | goto error; | |
9876 | ||
50ac6607 | 9877 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
9878 | pkt_offset = 0; |
9879 | else | |
9880 | pkt_offset = nla_get_u32( | |
50ac6607 | 9881 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
9882 | if (pkt_offset > wowlan->max_pkt_offset) |
9883 | goto error; | |
9884 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
9885 | ||
922bd80f JB |
9886 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
9887 | if (!mask_pat) { | |
ff1b6e69 JB |
9888 | err = -ENOMEM; |
9889 | goto error; | |
9890 | } | |
922bd80f JB |
9891 | new_triggers.patterns[i].mask = mask_pat; |
9892 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 9893 | mask_len); |
922bd80f JB |
9894 | mask_pat += mask_len; |
9895 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 9896 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 9897 | memcpy(mask_pat, |
50ac6607 | 9898 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
9899 | pat_len); |
9900 | i++; | |
9901 | } | |
9902 | } | |
9903 | ||
2a0e047e | 9904 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 9905 | regular = true; |
2a0e047e JB |
9906 | err = nl80211_parse_wowlan_tcp( |
9907 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
9908 | &new_triggers); | |
9909 | if (err) | |
9910 | goto error; | |
9911 | } | |
9912 | ||
8cd4d456 | 9913 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 9914 | regular = true; |
8cd4d456 LC |
9915 | err = nl80211_parse_wowlan_nd( |
9916 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
9917 | &new_triggers); | |
9918 | if (err) | |
9919 | goto error; | |
9920 | } | |
9921 | ||
98fc4386 JB |
9922 | /* The 'any' trigger means the device continues operating more or less |
9923 | * as in its normal operation mode and wakes up the host on most of the | |
9924 | * normal interrupts (like packet RX, ...) | |
9925 | * It therefore makes little sense to combine with the more constrained | |
9926 | * wakeup trigger modes. | |
9927 | */ | |
9928 | if (new_triggers.any && regular) { | |
9929 | err = -EINVAL; | |
9930 | goto error; | |
9931 | } | |
9932 | ||
ae33bd81 JB |
9933 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
9934 | if (!ntrig) { | |
9935 | err = -ENOMEM; | |
9936 | goto error; | |
ff1b6e69 | 9937 | } |
ae33bd81 | 9938 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 9939 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 9940 | |
ae33bd81 | 9941 | set_wakeup: |
6abb9cb9 JB |
9942 | if (rdev->ops->set_wakeup && |
9943 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
9944 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 9945 | |
ff1b6e69 JB |
9946 | return 0; |
9947 | error: | |
9948 | for (i = 0; i < new_triggers.n_patterns; i++) | |
9949 | kfree(new_triggers.patterns[i].mask); | |
9950 | kfree(new_triggers.patterns); | |
2a0e047e JB |
9951 | if (new_triggers.tcp && new_triggers.tcp->sock) |
9952 | sock_release(new_triggers.tcp->sock); | |
9953 | kfree(new_triggers.tcp); | |
e5dbe070 | 9954 | kfree(new_triggers.nd_config); |
ff1b6e69 JB |
9955 | return err; |
9956 | } | |
dfb89c56 | 9957 | #endif |
ff1b6e69 | 9958 | |
be29b99a AK |
9959 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
9960 | struct cfg80211_registered_device *rdev) | |
9961 | { | |
9962 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
9963 | int i, j, pat_len; | |
9964 | struct cfg80211_coalesce_rules *rule; | |
9965 | ||
9966 | if (!rdev->coalesce->n_rules) | |
9967 | return 0; | |
9968 | ||
9969 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
9970 | if (!nl_rules) | |
9971 | return -ENOBUFS; | |
9972 | ||
9973 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
9974 | nl_rule = nla_nest_start(msg, i + 1); | |
9975 | if (!nl_rule) | |
9976 | return -ENOBUFS; | |
9977 | ||
9978 | rule = &rdev->coalesce->rules[i]; | |
9979 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
9980 | rule->delay)) | |
9981 | return -ENOBUFS; | |
9982 | ||
9983 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
9984 | rule->condition)) | |
9985 | return -ENOBUFS; | |
9986 | ||
9987 | nl_pats = nla_nest_start(msg, | |
9988 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
9989 | if (!nl_pats) | |
9990 | return -ENOBUFS; | |
9991 | ||
9992 | for (j = 0; j < rule->n_patterns; j++) { | |
9993 | nl_pat = nla_nest_start(msg, j + 1); | |
9994 | if (!nl_pat) | |
9995 | return -ENOBUFS; | |
9996 | pat_len = rule->patterns[j].pattern_len; | |
9997 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
9998 | DIV_ROUND_UP(pat_len, 8), | |
9999 | rule->patterns[j].mask) || | |
10000 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
10001 | rule->patterns[j].pattern) || | |
10002 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
10003 | rule->patterns[j].pkt_offset)) | |
10004 | return -ENOBUFS; | |
10005 | nla_nest_end(msg, nl_pat); | |
10006 | } | |
10007 | nla_nest_end(msg, nl_pats); | |
10008 | nla_nest_end(msg, nl_rule); | |
10009 | } | |
10010 | nla_nest_end(msg, nl_rules); | |
10011 | ||
10012 | return 0; | |
10013 | } | |
10014 | ||
10015 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10016 | { | |
10017 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10018 | struct sk_buff *msg; | |
10019 | void *hdr; | |
10020 | ||
10021 | if (!rdev->wiphy.coalesce) | |
10022 | return -EOPNOTSUPP; | |
10023 | ||
10024 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10025 | if (!msg) | |
10026 | return -ENOMEM; | |
10027 | ||
10028 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10029 | NL80211_CMD_GET_COALESCE); | |
10030 | if (!hdr) | |
10031 | goto nla_put_failure; | |
10032 | ||
10033 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
10034 | goto nla_put_failure; | |
10035 | ||
10036 | genlmsg_end(msg, hdr); | |
10037 | return genlmsg_reply(msg, info); | |
10038 | ||
10039 | nla_put_failure: | |
10040 | nlmsg_free(msg); | |
10041 | return -ENOBUFS; | |
10042 | } | |
10043 | ||
10044 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
10045 | { | |
10046 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
10047 | int i, j; | |
10048 | struct cfg80211_coalesce_rules *rule; | |
10049 | ||
10050 | if (!coalesce) | |
10051 | return; | |
10052 | ||
10053 | for (i = 0; i < coalesce->n_rules; i++) { | |
10054 | rule = &coalesce->rules[i]; | |
10055 | for (j = 0; j < rule->n_patterns; j++) | |
10056 | kfree(rule->patterns[j].mask); | |
10057 | kfree(rule->patterns); | |
10058 | } | |
10059 | kfree(coalesce->rules); | |
10060 | kfree(coalesce); | |
10061 | rdev->coalesce = NULL; | |
10062 | } | |
10063 | ||
10064 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
10065 | struct nlattr *rule, | |
10066 | struct cfg80211_coalesce_rules *new_rule) | |
10067 | { | |
10068 | int err, i; | |
10069 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10070 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
10071 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
10072 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
10073 | ||
10074 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
10075 | nla_len(rule), nl80211_coalesce_policy); | |
10076 | if (err) | |
10077 | return err; | |
10078 | ||
10079 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
10080 | new_rule->delay = | |
10081 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
10082 | if (new_rule->delay > coalesce->max_delay) | |
10083 | return -EINVAL; | |
10084 | ||
10085 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
10086 | new_rule->condition = | |
10087 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
10088 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
10089 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
10090 | return -EINVAL; | |
10091 | ||
10092 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
10093 | return -EINVAL; | |
10094 | ||
10095 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10096 | rem) | |
10097 | n_patterns++; | |
10098 | if (n_patterns > coalesce->n_patterns) | |
10099 | return -EINVAL; | |
10100 | ||
10101 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
10102 | GFP_KERNEL); | |
10103 | if (!new_rule->patterns) | |
10104 | return -ENOMEM; | |
10105 | ||
10106 | new_rule->n_patterns = n_patterns; | |
10107 | i = 0; | |
10108 | ||
10109 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10110 | rem) { | |
922bd80f JB |
10111 | u8 *mask_pat; |
10112 | ||
be29b99a AK |
10113 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
10114 | nla_len(pat), NULL); | |
10115 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
10116 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
10117 | return -EINVAL; | |
10118 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
10119 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
10120 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
10121 | return -EINVAL; | |
10122 | if (pat_len > coalesce->pattern_max_len || | |
10123 | pat_len < coalesce->pattern_min_len) | |
10124 | return -EINVAL; | |
10125 | ||
10126 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
10127 | pkt_offset = 0; | |
10128 | else | |
10129 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
10130 | if (pkt_offset > coalesce->max_pkt_offset) | |
10131 | return -EINVAL; | |
10132 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
10133 | ||
922bd80f JB |
10134 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10135 | if (!mask_pat) | |
be29b99a | 10136 | return -ENOMEM; |
922bd80f JB |
10137 | |
10138 | new_rule->patterns[i].mask = mask_pat; | |
10139 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
10140 | mask_len); | |
10141 | ||
10142 | mask_pat += mask_len; | |
10143 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 10144 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
10145 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
10146 | pat_len); | |
be29b99a AK |
10147 | i++; |
10148 | } | |
10149 | ||
10150 | return 0; | |
10151 | } | |
10152 | ||
10153 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10154 | { | |
10155 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10156 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10157 | struct cfg80211_coalesce new_coalesce = {}; | |
10158 | struct cfg80211_coalesce *n_coalesce; | |
10159 | int err, rem_rule, n_rules = 0, i, j; | |
10160 | struct nlattr *rule; | |
10161 | struct cfg80211_coalesce_rules *tmp_rule; | |
10162 | ||
10163 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
10164 | return -EOPNOTSUPP; | |
10165 | ||
10166 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
10167 | cfg80211_rdev_free_coalesce(rdev); | |
a1056b1b | 10168 | rdev_set_coalesce(rdev, NULL); |
be29b99a AK |
10169 | return 0; |
10170 | } | |
10171 | ||
10172 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10173 | rem_rule) | |
10174 | n_rules++; | |
10175 | if (n_rules > coalesce->n_rules) | |
10176 | return -EINVAL; | |
10177 | ||
10178 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
10179 | GFP_KERNEL); | |
10180 | if (!new_coalesce.rules) | |
10181 | return -ENOMEM; | |
10182 | ||
10183 | new_coalesce.n_rules = n_rules; | |
10184 | i = 0; | |
10185 | ||
10186 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10187 | rem_rule) { | |
10188 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
10189 | &new_coalesce.rules[i]); | |
10190 | if (err) | |
10191 | goto error; | |
10192 | ||
10193 | i++; | |
10194 | } | |
10195 | ||
a1056b1b | 10196 | err = rdev_set_coalesce(rdev, &new_coalesce); |
be29b99a AK |
10197 | if (err) |
10198 | goto error; | |
10199 | ||
10200 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
10201 | if (!n_coalesce) { | |
10202 | err = -ENOMEM; | |
10203 | goto error; | |
10204 | } | |
10205 | cfg80211_rdev_free_coalesce(rdev); | |
10206 | rdev->coalesce = n_coalesce; | |
10207 | ||
10208 | return 0; | |
10209 | error: | |
10210 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
10211 | tmp_rule = &new_coalesce.rules[i]; | |
10212 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
10213 | kfree(tmp_rule->patterns[j].mask); | |
10214 | kfree(tmp_rule->patterns); | |
10215 | } | |
10216 | kfree(new_coalesce.rules); | |
10217 | ||
10218 | return err; | |
10219 | } | |
10220 | ||
e5497d76 JB |
10221 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
10222 | { | |
10223 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10224 | struct net_device *dev = info->user_ptr[1]; | |
10225 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10226 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
10227 | struct cfg80211_gtk_rekey_data rekey_data; | |
10228 | int err; | |
10229 | ||
10230 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
10231 | return -EINVAL; | |
10232 | ||
10233 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
10234 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
10235 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
10236 | nl80211_rekey_policy); | |
10237 | if (err) | |
10238 | return err; | |
10239 | ||
10240 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
10241 | return -ERANGE; | |
10242 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
10243 | return -ERANGE; | |
10244 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
10245 | return -ERANGE; | |
10246 | ||
78f686ca JB |
10247 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
10248 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
10249 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
10250 | |
10251 | wdev_lock(wdev); | |
10252 | if (!wdev->current_bss) { | |
10253 | err = -ENOTCONN; | |
10254 | goto out; | |
10255 | } | |
10256 | ||
10257 | if (!rdev->ops->set_rekey_data) { | |
10258 | err = -EOPNOTSUPP; | |
10259 | goto out; | |
10260 | } | |
10261 | ||
e35e4d28 | 10262 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
10263 | out: |
10264 | wdev_unlock(wdev); | |
10265 | return err; | |
10266 | } | |
10267 | ||
28946da7 JB |
10268 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
10269 | struct genl_info *info) | |
10270 | { | |
10271 | struct net_device *dev = info->user_ptr[1]; | |
10272 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10273 | ||
10274 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10275 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10276 | return -EINVAL; | |
10277 | ||
15e47304 | 10278 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
10279 | return -EBUSY; |
10280 | ||
15e47304 | 10281 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
10282 | return 0; |
10283 | } | |
10284 | ||
7f6cf311 JB |
10285 | static int nl80211_probe_client(struct sk_buff *skb, |
10286 | struct genl_info *info) | |
10287 | { | |
10288 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10289 | struct net_device *dev = info->user_ptr[1]; | |
10290 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10291 | struct sk_buff *msg; | |
10292 | void *hdr; | |
10293 | const u8 *addr; | |
10294 | u64 cookie; | |
10295 | int err; | |
10296 | ||
10297 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10298 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10299 | return -EOPNOTSUPP; | |
10300 | ||
10301 | if (!info->attrs[NL80211_ATTR_MAC]) | |
10302 | return -EINVAL; | |
10303 | ||
10304 | if (!rdev->ops->probe_client) | |
10305 | return -EOPNOTSUPP; | |
10306 | ||
10307 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10308 | if (!msg) | |
10309 | return -ENOMEM; | |
10310 | ||
15e47304 | 10311 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 10312 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
10313 | if (!hdr) { |
10314 | err = -ENOBUFS; | |
7f6cf311 JB |
10315 | goto free_msg; |
10316 | } | |
10317 | ||
10318 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10319 | ||
e35e4d28 | 10320 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
10321 | if (err) |
10322 | goto free_msg; | |
10323 | ||
2dad624e ND |
10324 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
10325 | NL80211_ATTR_PAD)) | |
9360ffd1 | 10326 | goto nla_put_failure; |
7f6cf311 JB |
10327 | |
10328 | genlmsg_end(msg, hdr); | |
10329 | ||
10330 | return genlmsg_reply(msg, info); | |
10331 | ||
10332 | nla_put_failure: | |
10333 | err = -ENOBUFS; | |
10334 | free_msg: | |
10335 | nlmsg_free(msg); | |
10336 | return err; | |
10337 | } | |
10338 | ||
5e760230 JB |
10339 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
10340 | { | |
10341 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
10342 | struct cfg80211_beacon_registration *reg, *nreg; |
10343 | int rv; | |
5e760230 JB |
10344 | |
10345 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
10346 | return -EOPNOTSUPP; | |
10347 | ||
37c73b5f BG |
10348 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
10349 | if (!nreg) | |
10350 | return -ENOMEM; | |
10351 | ||
10352 | /* First, check if already registered. */ | |
10353 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
10354 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
10355 | if (reg->nlportid == info->snd_portid) { | |
10356 | rv = -EALREADY; | |
10357 | goto out_err; | |
10358 | } | |
10359 | } | |
10360 | /* Add it to the list */ | |
10361 | nreg->nlportid = info->snd_portid; | |
10362 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 10363 | |
37c73b5f | 10364 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
10365 | |
10366 | return 0; | |
37c73b5f BG |
10367 | out_err: |
10368 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
10369 | kfree(nreg); | |
10370 | return rv; | |
5e760230 JB |
10371 | } |
10372 | ||
98104fde JB |
10373 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
10374 | { | |
10375 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10376 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10377 | int err; | |
10378 | ||
10379 | if (!rdev->ops->start_p2p_device) | |
10380 | return -EOPNOTSUPP; | |
10381 | ||
10382 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10383 | return -EOPNOTSUPP; | |
10384 | ||
10385 | if (wdev->p2p_started) | |
10386 | return 0; | |
10387 | ||
b6a55015 LC |
10388 | if (rfkill_blocked(rdev->rfkill)) |
10389 | return -ERFKILL; | |
98104fde | 10390 | |
eeb126e9 | 10391 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
10392 | if (err) |
10393 | return err; | |
10394 | ||
10395 | wdev->p2p_started = true; | |
98104fde | 10396 | rdev->opencount++; |
98104fde JB |
10397 | |
10398 | return 0; | |
10399 | } | |
10400 | ||
10401 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
10402 | { | |
10403 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10404 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10405 | ||
10406 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10407 | return -EOPNOTSUPP; | |
10408 | ||
10409 | if (!rdev->ops->stop_p2p_device) | |
10410 | return -EOPNOTSUPP; | |
10411 | ||
f9f47529 | 10412 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
10413 | |
10414 | return 0; | |
10415 | } | |
10416 | ||
3713b4e3 JB |
10417 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
10418 | struct genl_info *info) | |
10419 | { | |
10420 | void *hdr; | |
10421 | struct sk_buff *msg; | |
10422 | ||
10423 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10424 | if (!msg) | |
10425 | return -ENOMEM; | |
10426 | ||
10427 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10428 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
10429 | if (!hdr) | |
10430 | goto nla_put_failure; | |
10431 | ||
10432 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
10433 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
10434 | goto nla_put_failure; | |
10435 | ||
10436 | genlmsg_end(msg, hdr); | |
10437 | return genlmsg_reply(msg, info); | |
10438 | ||
10439 | nla_put_failure: | |
10440 | kfree_skb(msg); | |
10441 | return -ENOBUFS; | |
10442 | } | |
10443 | ||
355199e0 JM |
10444 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
10445 | { | |
10446 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10447 | struct cfg80211_update_ft_ies_params ft_params; | |
10448 | struct net_device *dev = info->user_ptr[1]; | |
10449 | ||
10450 | if (!rdev->ops->update_ft_ies) | |
10451 | return -EOPNOTSUPP; | |
10452 | ||
10453 | if (!info->attrs[NL80211_ATTR_MDID] || | |
10454 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
10455 | return -EINVAL; | |
10456 | ||
10457 | memset(&ft_params, 0, sizeof(ft_params)); | |
10458 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
10459 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
10460 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
10461 | ||
10462 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
10463 | } | |
10464 | ||
5de17984 AS |
10465 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
10466 | struct genl_info *info) | |
10467 | { | |
10468 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10469 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10470 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
10471 | u16 duration; | |
10472 | int ret; | |
10473 | ||
10474 | if (!rdev->ops->crit_proto_start) | |
10475 | return -EOPNOTSUPP; | |
10476 | ||
10477 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
10478 | return -EINVAL; | |
10479 | ||
10480 | if (rdev->crit_proto_nlportid) | |
10481 | return -EBUSY; | |
10482 | ||
10483 | /* determine protocol if provided */ | |
10484 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
10485 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
10486 | ||
10487 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
10488 | return -EINVAL; | |
10489 | ||
10490 | /* timeout must be provided */ | |
10491 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
10492 | return -EINVAL; | |
10493 | ||
10494 | duration = | |
10495 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
10496 | ||
10497 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
10498 | return -ERANGE; | |
10499 | ||
10500 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
10501 | if (!ret) | |
10502 | rdev->crit_proto_nlportid = info->snd_portid; | |
10503 | ||
10504 | return ret; | |
10505 | } | |
10506 | ||
10507 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
10508 | struct genl_info *info) | |
10509 | { | |
10510 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10511 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10512 | ||
10513 | if (!rdev->ops->crit_proto_stop) | |
10514 | return -EOPNOTSUPP; | |
10515 | ||
10516 | if (rdev->crit_proto_nlportid) { | |
10517 | rdev->crit_proto_nlportid = 0; | |
10518 | rdev_crit_proto_stop(rdev, wdev); | |
10519 | } | |
10520 | return 0; | |
10521 | } | |
10522 | ||
ad7e718c JB |
10523 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
10524 | { | |
10525 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10526 | struct wireless_dev *wdev = | |
10527 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
10528 | int i, err; | |
10529 | u32 vid, subcmd; | |
10530 | ||
10531 | if (!rdev->wiphy.vendor_commands) | |
10532 | return -EOPNOTSUPP; | |
10533 | ||
10534 | if (IS_ERR(wdev)) { | |
10535 | err = PTR_ERR(wdev); | |
10536 | if (err != -EINVAL) | |
10537 | return err; | |
10538 | wdev = NULL; | |
10539 | } else if (wdev->wiphy != &rdev->wiphy) { | |
10540 | return -EINVAL; | |
10541 | } | |
10542 | ||
10543 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
10544 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
10545 | return -EINVAL; | |
10546 | ||
10547 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
10548 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
10549 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
10550 | const struct wiphy_vendor_command *vcmd; | |
10551 | void *data = NULL; | |
10552 | int len = 0; | |
10553 | ||
10554 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
10555 | ||
10556 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
10557 | continue; | |
10558 | ||
10559 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
10560 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
10561 | if (!wdev) | |
10562 | return -EINVAL; | |
10563 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
10564 | !wdev->netdev) | |
10565 | return -EINVAL; | |
10566 | ||
10567 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
10568 | if (wdev->netdev && | |
10569 | !netif_running(wdev->netdev)) | |
10570 | return -ENETDOWN; | |
10571 | if (!wdev->netdev && !wdev->p2p_started) | |
10572 | return -ENETDOWN; | |
10573 | } | |
7bdbe400 JB |
10574 | |
10575 | if (!vcmd->doit) | |
10576 | return -EOPNOTSUPP; | |
ad7e718c JB |
10577 | } else { |
10578 | wdev = NULL; | |
10579 | } | |
10580 | ||
10581 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
10582 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
10583 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
10584 | } | |
10585 | ||
10586 | rdev->cur_cmd_info = info; | |
10587 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
10588 | data, len); | |
10589 | rdev->cur_cmd_info = NULL; | |
10590 | return err; | |
10591 | } | |
10592 | ||
10593 | return -EOPNOTSUPP; | |
10594 | } | |
10595 | ||
7bdbe400 JB |
10596 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
10597 | struct netlink_callback *cb, | |
10598 | struct cfg80211_registered_device **rdev, | |
10599 | struct wireless_dev **wdev) | |
10600 | { | |
10601 | u32 vid, subcmd; | |
10602 | unsigned int i; | |
10603 | int vcmd_idx = -1; | |
10604 | int err; | |
10605 | void *data = NULL; | |
10606 | unsigned int data_len = 0; | |
10607 | ||
10608 | rtnl_lock(); | |
10609 | ||
10610 | if (cb->args[0]) { | |
10611 | /* subtract the 1 again here */ | |
10612 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
10613 | struct wireless_dev *tmp; | |
10614 | ||
10615 | if (!wiphy) { | |
10616 | err = -ENODEV; | |
10617 | goto out_unlock; | |
10618 | } | |
10619 | *rdev = wiphy_to_rdev(wiphy); | |
10620 | *wdev = NULL; | |
10621 | ||
10622 | if (cb->args[1]) { | |
53873f13 | 10623 | list_for_each_entry(tmp, &wiphy->wdev_list, list) { |
7bdbe400 JB |
10624 | if (tmp->identifier == cb->args[1] - 1) { |
10625 | *wdev = tmp; | |
10626 | break; | |
10627 | } | |
10628 | } | |
10629 | } | |
10630 | ||
10631 | /* keep rtnl locked in successful case */ | |
10632 | return 0; | |
10633 | } | |
10634 | ||
10635 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
10636 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
10637 | nl80211_policy); | |
10638 | if (err) | |
10639 | goto out_unlock; | |
10640 | ||
10641 | if (!nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID] || | |
10642 | !nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { | |
10643 | err = -EINVAL; | |
10644 | goto out_unlock; | |
10645 | } | |
10646 | ||
10647 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), | |
10648 | nl80211_fam.attrbuf); | |
10649 | if (IS_ERR(*wdev)) | |
10650 | *wdev = NULL; | |
10651 | ||
10652 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), | |
10653 | nl80211_fam.attrbuf); | |
10654 | if (IS_ERR(*rdev)) { | |
10655 | err = PTR_ERR(*rdev); | |
10656 | goto out_unlock; | |
10657 | } | |
10658 | ||
10659 | vid = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID]); | |
10660 | subcmd = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
10661 | ||
10662 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
10663 | const struct wiphy_vendor_command *vcmd; | |
10664 | ||
10665 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
10666 | ||
10667 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
10668 | continue; | |
10669 | ||
10670 | if (!vcmd->dumpit) { | |
10671 | err = -EOPNOTSUPP; | |
10672 | goto out_unlock; | |
10673 | } | |
10674 | ||
10675 | vcmd_idx = i; | |
10676 | break; | |
10677 | } | |
10678 | ||
10679 | if (vcmd_idx < 0) { | |
10680 | err = -EOPNOTSUPP; | |
10681 | goto out_unlock; | |
10682 | } | |
10683 | ||
10684 | if (nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]) { | |
10685 | data = nla_data(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
10686 | data_len = nla_len(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
10687 | } | |
10688 | ||
10689 | /* 0 is the first index - add 1 to parse only once */ | |
10690 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
10691 | /* add 1 to know if it was NULL */ | |
10692 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
10693 | cb->args[2] = vcmd_idx; | |
10694 | cb->args[3] = (unsigned long)data; | |
10695 | cb->args[4] = data_len; | |
10696 | ||
10697 | /* keep rtnl locked in successful case */ | |
10698 | return 0; | |
10699 | out_unlock: | |
10700 | rtnl_unlock(); | |
10701 | return err; | |
10702 | } | |
10703 | ||
10704 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
10705 | struct netlink_callback *cb) | |
10706 | { | |
10707 | struct cfg80211_registered_device *rdev; | |
10708 | struct wireless_dev *wdev; | |
10709 | unsigned int vcmd_idx; | |
10710 | const struct wiphy_vendor_command *vcmd; | |
10711 | void *data; | |
10712 | int data_len; | |
10713 | int err; | |
10714 | struct nlattr *vendor_data; | |
10715 | ||
10716 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); | |
10717 | if (err) | |
10718 | return err; | |
10719 | ||
10720 | vcmd_idx = cb->args[2]; | |
10721 | data = (void *)cb->args[3]; | |
10722 | data_len = cb->args[4]; | |
10723 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
10724 | ||
10725 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
10726 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
10727 | if (!wdev) | |
10728 | return -EINVAL; | |
10729 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
10730 | !wdev->netdev) | |
10731 | return -EINVAL; | |
10732 | ||
10733 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
10734 | if (wdev->netdev && | |
10735 | !netif_running(wdev->netdev)) | |
10736 | return -ENETDOWN; | |
10737 | if (!wdev->netdev && !wdev->p2p_started) | |
10738 | return -ENETDOWN; | |
10739 | } | |
10740 | } | |
10741 | ||
10742 | while (1) { | |
10743 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
10744 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
10745 | NL80211_CMD_VENDOR); | |
10746 | if (!hdr) | |
10747 | break; | |
10748 | ||
10749 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
10750 | (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
10751 | wdev_id(wdev), | |
10752 | NL80211_ATTR_PAD))) { | |
7bdbe400 JB |
10753 | genlmsg_cancel(skb, hdr); |
10754 | break; | |
10755 | } | |
10756 | ||
10757 | vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA); | |
10758 | if (!vendor_data) { | |
10759 | genlmsg_cancel(skb, hdr); | |
10760 | break; | |
10761 | } | |
10762 | ||
10763 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
10764 | (unsigned long *)&cb->args[5]); | |
10765 | nla_nest_end(skb, vendor_data); | |
10766 | ||
10767 | if (err == -ENOBUFS || err == -ENOENT) { | |
10768 | genlmsg_cancel(skb, hdr); | |
10769 | break; | |
10770 | } else if (err) { | |
10771 | genlmsg_cancel(skb, hdr); | |
10772 | goto out; | |
10773 | } | |
10774 | ||
10775 | genlmsg_end(skb, hdr); | |
10776 | } | |
10777 | ||
10778 | err = skb->len; | |
10779 | out: | |
10780 | rtnl_unlock(); | |
10781 | return err; | |
10782 | } | |
10783 | ||
ad7e718c JB |
10784 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
10785 | enum nl80211_commands cmd, | |
10786 | enum nl80211_attrs attr, | |
10787 | int approxlen) | |
10788 | { | |
f26cbf40 | 10789 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
10790 | |
10791 | if (WARN_ON(!rdev->cur_cmd_info)) | |
10792 | return NULL; | |
10793 | ||
6c09e791 | 10794 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
10795 | rdev->cur_cmd_info->snd_portid, |
10796 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 10797 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
10798 | } |
10799 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
10800 | ||
10801 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
10802 | { | |
10803 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
10804 | void *hdr = ((void **)skb->cb)[1]; | |
10805 | struct nlattr *data = ((void **)skb->cb)[2]; | |
10806 | ||
bd8c78e7 JB |
10807 | /* clear CB data for netlink core to own from now on */ |
10808 | memset(skb->cb, 0, sizeof(skb->cb)); | |
10809 | ||
ad7e718c JB |
10810 | if (WARN_ON(!rdev->cur_cmd_info)) { |
10811 | kfree_skb(skb); | |
10812 | return -EINVAL; | |
10813 | } | |
10814 | ||
10815 | nla_nest_end(skb, data); | |
10816 | genlmsg_end(skb, hdr); | |
10817 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
10818 | } | |
10819 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
10820 | ||
fa9ffc74 KP |
10821 | static int nl80211_set_qos_map(struct sk_buff *skb, |
10822 | struct genl_info *info) | |
10823 | { | |
10824 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10825 | struct cfg80211_qos_map *qos_map = NULL; | |
10826 | struct net_device *dev = info->user_ptr[1]; | |
10827 | u8 *pos, len, num_des, des_len, des; | |
10828 | int ret; | |
10829 | ||
10830 | if (!rdev->ops->set_qos_map) | |
10831 | return -EOPNOTSUPP; | |
10832 | ||
10833 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
10834 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
10835 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
10836 | ||
10837 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
10838 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
10839 | return -EINVAL; | |
10840 | ||
10841 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
10842 | if (!qos_map) | |
10843 | return -ENOMEM; | |
10844 | ||
10845 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
10846 | if (num_des) { | |
10847 | des_len = num_des * | |
10848 | sizeof(struct cfg80211_dscp_exception); | |
10849 | memcpy(qos_map->dscp_exception, pos, des_len); | |
10850 | qos_map->num_des = num_des; | |
10851 | for (des = 0; des < num_des; des++) { | |
10852 | if (qos_map->dscp_exception[des].up > 7) { | |
10853 | kfree(qos_map); | |
10854 | return -EINVAL; | |
10855 | } | |
10856 | } | |
10857 | pos += des_len; | |
10858 | } | |
10859 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
10860 | } | |
10861 | ||
10862 | wdev_lock(dev->ieee80211_ptr); | |
10863 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
10864 | if (!ret) | |
10865 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
10866 | wdev_unlock(dev->ieee80211_ptr); | |
10867 | ||
10868 | kfree(qos_map); | |
10869 | return ret; | |
10870 | } | |
10871 | ||
960d01ac JB |
10872 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
10873 | { | |
10874 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10875 | struct net_device *dev = info->user_ptr[1]; | |
10876 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10877 | const u8 *peer; | |
10878 | u8 tsid, up; | |
10879 | u16 admitted_time = 0; | |
10880 | int err; | |
10881 | ||
723e73ac | 10882 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
10883 | return -EOPNOTSUPP; |
10884 | ||
10885 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
10886 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
10887 | return -EINVAL; | |
10888 | ||
10889 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
10890 | if (tsid >= IEEE80211_NUM_TIDS) | |
10891 | return -EINVAL; | |
10892 | ||
10893 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
10894 | if (up >= IEEE80211_NUM_UPS) | |
10895 | return -EINVAL; | |
10896 | ||
10897 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 10898 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 10899 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
10900 | * need more attributes for that (e.g. BA session requirement); |
10901 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
10902 | */ |
10903 | return -EINVAL; | |
10904 | } | |
10905 | ||
10906 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10907 | ||
10908 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
10909 | admitted_time = | |
10910 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
10911 | if (!admitted_time) | |
10912 | return -EINVAL; | |
10913 | } | |
10914 | ||
10915 | wdev_lock(wdev); | |
10916 | switch (wdev->iftype) { | |
10917 | case NL80211_IFTYPE_STATION: | |
10918 | case NL80211_IFTYPE_P2P_CLIENT: | |
10919 | if (wdev->current_bss) | |
10920 | break; | |
10921 | err = -ENOTCONN; | |
10922 | goto out; | |
10923 | default: | |
10924 | err = -EOPNOTSUPP; | |
10925 | goto out; | |
10926 | } | |
10927 | ||
10928 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
10929 | ||
10930 | out: | |
10931 | wdev_unlock(wdev); | |
10932 | return err; | |
10933 | } | |
10934 | ||
10935 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
10936 | { | |
10937 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10938 | struct net_device *dev = info->user_ptr[1]; | |
10939 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10940 | const u8 *peer; | |
10941 | u8 tsid; | |
10942 | int err; | |
10943 | ||
10944 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
10945 | return -EINVAL; | |
10946 | ||
10947 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
10948 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10949 | ||
10950 | wdev_lock(wdev); | |
10951 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
10952 | wdev_unlock(wdev); | |
10953 | ||
10954 | return err; | |
10955 | } | |
10956 | ||
1057d35e AN |
10957 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
10958 | struct genl_info *info) | |
10959 | { | |
10960 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10961 | struct net_device *dev = info->user_ptr[1]; | |
10962 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10963 | struct cfg80211_chan_def chandef = {}; | |
10964 | const u8 *addr; | |
10965 | u8 oper_class; | |
10966 | int err; | |
10967 | ||
10968 | if (!rdev->ops->tdls_channel_switch || | |
10969 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
10970 | return -EOPNOTSUPP; | |
10971 | ||
10972 | switch (dev->ieee80211_ptr->iftype) { | |
10973 | case NL80211_IFTYPE_STATION: | |
10974 | case NL80211_IFTYPE_P2P_CLIENT: | |
10975 | break; | |
10976 | default: | |
10977 | return -EOPNOTSUPP; | |
10978 | } | |
10979 | ||
10980 | if (!info->attrs[NL80211_ATTR_MAC] || | |
10981 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
10982 | return -EINVAL; | |
10983 | ||
10984 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
10985 | if (err) | |
10986 | return err; | |
10987 | ||
10988 | /* | |
10989 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
10990 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
10991 | * specification is not defined for them. | |
10992 | */ | |
57fbcce3 | 10993 | if (chandef.chan->band == NL80211_BAND_2GHZ && |
1057d35e AN |
10994 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && |
10995 | chandef.width != NL80211_CHAN_WIDTH_20) | |
10996 | return -EINVAL; | |
10997 | ||
10998 | /* we will be active on the TDLS link */ | |
923b352f AN |
10999 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
11000 | wdev->iftype)) | |
1057d35e AN |
11001 | return -EINVAL; |
11002 | ||
11003 | /* don't allow switching to DFS channels */ | |
11004 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
11005 | return -EINVAL; | |
11006 | ||
11007 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11008 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
11009 | ||
11010 | wdev_lock(wdev); | |
11011 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
11012 | wdev_unlock(wdev); | |
11013 | ||
11014 | return err; | |
11015 | } | |
11016 | ||
11017 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
11018 | struct genl_info *info) | |
11019 | { | |
11020 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11021 | struct net_device *dev = info->user_ptr[1]; | |
11022 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11023 | const u8 *addr; | |
11024 | ||
11025 | if (!rdev->ops->tdls_channel_switch || | |
11026 | !rdev->ops->tdls_cancel_channel_switch || | |
11027 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
11028 | return -EOPNOTSUPP; | |
11029 | ||
11030 | switch (dev->ieee80211_ptr->iftype) { | |
11031 | case NL80211_IFTYPE_STATION: | |
11032 | case NL80211_IFTYPE_P2P_CLIENT: | |
11033 | break; | |
11034 | default: | |
11035 | return -EOPNOTSUPP; | |
11036 | } | |
11037 | ||
11038 | if (!info->attrs[NL80211_ATTR_MAC]) | |
11039 | return -EINVAL; | |
11040 | ||
11041 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11042 | ||
11043 | wdev_lock(wdev); | |
11044 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
11045 | wdev_unlock(wdev); | |
11046 | ||
11047 | return 0; | |
11048 | } | |
11049 | ||
4c476991 JB |
11050 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
11051 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
11052 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
11053 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
11054 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
11055 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 11056 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 11057 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
11058 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
11059 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 11060 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 11061 | |
f84f771d | 11062 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
11063 | struct genl_info *info) |
11064 | { | |
11065 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 11066 | struct wireless_dev *wdev; |
4c476991 | 11067 | struct net_device *dev; |
4c476991 JB |
11068 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
11069 | ||
11070 | if (rtnl) | |
11071 | rtnl_lock(); | |
11072 | ||
11073 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 11074 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
11075 | if (IS_ERR(rdev)) { |
11076 | if (rtnl) | |
11077 | rtnl_unlock(); | |
11078 | return PTR_ERR(rdev); | |
11079 | } | |
11080 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
11081 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
11082 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
11083 | ASSERT_RTNL(); |
11084 | ||
89a54e48 JB |
11085 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
11086 | info->attrs); | |
11087 | if (IS_ERR(wdev)) { | |
4c476991 JB |
11088 | if (rtnl) |
11089 | rtnl_unlock(); | |
89a54e48 | 11090 | return PTR_ERR(wdev); |
4c476991 | 11091 | } |
89a54e48 | 11092 | |
89a54e48 | 11093 | dev = wdev->netdev; |
f26cbf40 | 11094 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 11095 | |
1bf614ef JB |
11096 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
11097 | if (!dev) { | |
1bf614ef JB |
11098 | if (rtnl) |
11099 | rtnl_unlock(); | |
11100 | return -EINVAL; | |
11101 | } | |
11102 | ||
11103 | info->user_ptr[1] = dev; | |
11104 | } else { | |
11105 | info->user_ptr[1] = wdev; | |
41265714 | 11106 | } |
1bf614ef JB |
11107 | |
11108 | if (dev) { | |
11109 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
11110 | !netif_running(dev)) { | |
1bf614ef JB |
11111 | if (rtnl) |
11112 | rtnl_unlock(); | |
11113 | return -ENETDOWN; | |
11114 | } | |
11115 | ||
11116 | dev_hold(dev); | |
98104fde JB |
11117 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
11118 | if (!wdev->p2p_started) { | |
98104fde JB |
11119 | if (rtnl) |
11120 | rtnl_unlock(); | |
11121 | return -ENETDOWN; | |
11122 | } | |
41265714 | 11123 | } |
89a54e48 | 11124 | |
4c476991 | 11125 | info->user_ptr[0] = rdev; |
4c476991 JB |
11126 | } |
11127 | ||
11128 | return 0; | |
11129 | } | |
11130 | ||
f84f771d | 11131 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
11132 | struct genl_info *info) |
11133 | { | |
1bf614ef JB |
11134 | if (info->user_ptr[1]) { |
11135 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
11136 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11137 | ||
11138 | if (wdev->netdev) | |
11139 | dev_put(wdev->netdev); | |
11140 | } else { | |
11141 | dev_put(info->user_ptr[1]); | |
11142 | } | |
11143 | } | |
5393b917 | 11144 | |
4c476991 JB |
11145 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
11146 | rtnl_unlock(); | |
5393b917 JB |
11147 | |
11148 | /* If needed, clear the netlink message payload from the SKB | |
11149 | * as it might contain key data that shouldn't stick around on | |
11150 | * the heap after the SKB is freed. The netlink message header | |
11151 | * is still needed for further processing, so leave it intact. | |
11152 | */ | |
11153 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
11154 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
11155 | ||
11156 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
11157 | } | |
4c476991 JB |
11158 | } |
11159 | ||
4534de83 | 11160 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
11161 | { |
11162 | .cmd = NL80211_CMD_GET_WIPHY, | |
11163 | .doit = nl80211_get_wiphy, | |
11164 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 11165 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
11166 | .policy = nl80211_policy, |
11167 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
11168 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11169 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11170 | }, |
11171 | { | |
11172 | .cmd = NL80211_CMD_SET_WIPHY, | |
11173 | .doit = nl80211_set_wiphy, | |
11174 | .policy = nl80211_policy, | |
5617c6cd | 11175 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 | 11176 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
11177 | }, |
11178 | { | |
11179 | .cmd = NL80211_CMD_GET_INTERFACE, | |
11180 | .doit = nl80211_get_interface, | |
11181 | .dumpit = nl80211_dump_interface, | |
11182 | .policy = nl80211_policy, | |
11183 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
11184 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
11185 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11186 | }, |
11187 | { | |
11188 | .cmd = NL80211_CMD_SET_INTERFACE, | |
11189 | .doit = nl80211_set_interface, | |
11190 | .policy = nl80211_policy, | |
5617c6cd | 11191 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11192 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11193 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11194 | }, |
11195 | { | |
11196 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
11197 | .doit = nl80211_new_interface, | |
11198 | .policy = nl80211_policy, | |
5617c6cd | 11199 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11200 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11201 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11202 | }, |
11203 | { | |
11204 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
11205 | .doit = nl80211_del_interface, | |
11206 | .policy = nl80211_policy, | |
5617c6cd | 11207 | .flags = GENL_UNS_ADMIN_PERM, |
84efbb84 | 11208 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 11209 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
11210 | }, |
11211 | { | |
11212 | .cmd = NL80211_CMD_GET_KEY, | |
11213 | .doit = nl80211_get_key, | |
11214 | .policy = nl80211_policy, | |
5617c6cd | 11215 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11216 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11217 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
11218 | }, |
11219 | { | |
11220 | .cmd = NL80211_CMD_SET_KEY, | |
11221 | .doit = nl80211_set_key, | |
11222 | .policy = nl80211_policy, | |
5617c6cd | 11223 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11224 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
11225 | NL80211_FLAG_NEED_RTNL | |
11226 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
11227 | }, |
11228 | { | |
11229 | .cmd = NL80211_CMD_NEW_KEY, | |
11230 | .doit = nl80211_new_key, | |
11231 | .policy = nl80211_policy, | |
5617c6cd | 11232 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11233 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
11234 | NL80211_FLAG_NEED_RTNL | |
11235 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
11236 | }, |
11237 | { | |
11238 | .cmd = NL80211_CMD_DEL_KEY, | |
11239 | .doit = nl80211_del_key, | |
11240 | .policy = nl80211_policy, | |
5617c6cd | 11241 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11242 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11243 | NL80211_FLAG_NEED_RTNL, |
55682965 | 11244 | }, |
ed1b6cc7 JB |
11245 | { |
11246 | .cmd = NL80211_CMD_SET_BEACON, | |
11247 | .policy = nl80211_policy, | |
5617c6cd | 11248 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 11249 | .doit = nl80211_set_beacon, |
2b5f8b0b | 11250 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11251 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
11252 | }, |
11253 | { | |
8860020e | 11254 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 | 11255 | .policy = nl80211_policy, |
5617c6cd | 11256 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 11257 | .doit = nl80211_start_ap, |
2b5f8b0b | 11258 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11259 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
11260 | }, |
11261 | { | |
8860020e | 11262 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 | 11263 | .policy = nl80211_policy, |
5617c6cd | 11264 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 11265 | .doit = nl80211_stop_ap, |
2b5f8b0b | 11266 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11267 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 11268 | }, |
5727ef1b JB |
11269 | { |
11270 | .cmd = NL80211_CMD_GET_STATION, | |
11271 | .doit = nl80211_get_station, | |
2ec600d6 | 11272 | .dumpit = nl80211_dump_station, |
5727ef1b | 11273 | .policy = nl80211_policy, |
4c476991 JB |
11274 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11275 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
11276 | }, |
11277 | { | |
11278 | .cmd = NL80211_CMD_SET_STATION, | |
11279 | .doit = nl80211_set_station, | |
11280 | .policy = nl80211_policy, | |
5617c6cd | 11281 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11282 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11283 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
11284 | }, |
11285 | { | |
11286 | .cmd = NL80211_CMD_NEW_STATION, | |
11287 | .doit = nl80211_new_station, | |
11288 | .policy = nl80211_policy, | |
5617c6cd | 11289 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11290 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11291 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
11292 | }, |
11293 | { | |
11294 | .cmd = NL80211_CMD_DEL_STATION, | |
11295 | .doit = nl80211_del_station, | |
11296 | .policy = nl80211_policy, | |
5617c6cd | 11297 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11298 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11299 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
11300 | }, |
11301 | { | |
11302 | .cmd = NL80211_CMD_GET_MPATH, | |
11303 | .doit = nl80211_get_mpath, | |
11304 | .dumpit = nl80211_dump_mpath, | |
11305 | .policy = nl80211_policy, | |
5617c6cd | 11306 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11307 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11308 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 11309 | }, |
66be7d2b HR |
11310 | { |
11311 | .cmd = NL80211_CMD_GET_MPP, | |
11312 | .doit = nl80211_get_mpp, | |
11313 | .dumpit = nl80211_dump_mpp, | |
11314 | .policy = nl80211_policy, | |
5617c6cd | 11315 | .flags = GENL_UNS_ADMIN_PERM, |
66be7d2b HR |
11316 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11317 | NL80211_FLAG_NEED_RTNL, | |
11318 | }, | |
2ec600d6 LCC |
11319 | { |
11320 | .cmd = NL80211_CMD_SET_MPATH, | |
11321 | .doit = nl80211_set_mpath, | |
11322 | .policy = nl80211_policy, | |
5617c6cd | 11323 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11324 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11325 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
11326 | }, |
11327 | { | |
11328 | .cmd = NL80211_CMD_NEW_MPATH, | |
11329 | .doit = nl80211_new_mpath, | |
11330 | .policy = nl80211_policy, | |
5617c6cd | 11331 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11332 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11333 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
11334 | }, |
11335 | { | |
11336 | .cmd = NL80211_CMD_DEL_MPATH, | |
11337 | .doit = nl80211_del_mpath, | |
11338 | .policy = nl80211_policy, | |
5617c6cd | 11339 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11340 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11341 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
11342 | }, |
11343 | { | |
11344 | .cmd = NL80211_CMD_SET_BSS, | |
11345 | .doit = nl80211_set_bss, | |
11346 | .policy = nl80211_policy, | |
5617c6cd | 11347 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11348 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11349 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 11350 | }, |
f130347c LR |
11351 | { |
11352 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
11353 | .doit = nl80211_get_reg_do, |
11354 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 11355 | .policy = nl80211_policy, |
5fe231e8 | 11356 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
11357 | /* can be retrieved by unprivileged users */ |
11358 | }, | |
b6863036 | 11359 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
b2e1b302 LR |
11360 | { |
11361 | .cmd = NL80211_CMD_SET_REG, | |
11362 | .doit = nl80211_set_reg, | |
11363 | .policy = nl80211_policy, | |
11364 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 11365 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 11366 | }, |
b6863036 | 11367 | #endif |
b2e1b302 LR |
11368 | { |
11369 | .cmd = NL80211_CMD_REQ_SET_REG, | |
11370 | .doit = nl80211_req_set_reg, | |
11371 | .policy = nl80211_policy, | |
93da9cc1 | 11372 | .flags = GENL_ADMIN_PERM, |
11373 | }, | |
11374 | { | |
24bdd9f4 JC |
11375 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
11376 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 11377 | .policy = nl80211_policy, |
11378 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 11379 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11380 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 11381 | }, |
11382 | { | |
24bdd9f4 JC |
11383 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
11384 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 11385 | .policy = nl80211_policy, |
5617c6cd | 11386 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c | 11387 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11388 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 11389 | }, |
2a519311 JB |
11390 | { |
11391 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
11392 | .doit = nl80211_trigger_scan, | |
11393 | .policy = nl80211_policy, | |
5617c6cd | 11394 | .flags = GENL_UNS_ADMIN_PERM, |
fd014284 | 11395 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 11396 | NL80211_FLAG_NEED_RTNL, |
2a519311 | 11397 | }, |
91d3ab46 VK |
11398 | { |
11399 | .cmd = NL80211_CMD_ABORT_SCAN, | |
11400 | .doit = nl80211_abort_scan, | |
11401 | .policy = nl80211_policy, | |
5617c6cd | 11402 | .flags = GENL_UNS_ADMIN_PERM, |
91d3ab46 VK |
11403 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
11404 | NL80211_FLAG_NEED_RTNL, | |
11405 | }, | |
2a519311 JB |
11406 | { |
11407 | .cmd = NL80211_CMD_GET_SCAN, | |
11408 | .policy = nl80211_policy, | |
11409 | .dumpit = nl80211_dump_scan, | |
11410 | }, | |
807f8a8c LC |
11411 | { |
11412 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
11413 | .doit = nl80211_start_sched_scan, | |
11414 | .policy = nl80211_policy, | |
5617c6cd | 11415 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
11416 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11417 | NL80211_FLAG_NEED_RTNL, | |
11418 | }, | |
11419 | { | |
11420 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
11421 | .doit = nl80211_stop_sched_scan, | |
11422 | .policy = nl80211_policy, | |
5617c6cd | 11423 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
11424 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11425 | NL80211_FLAG_NEED_RTNL, | |
11426 | }, | |
636a5d36 JM |
11427 | { |
11428 | .cmd = NL80211_CMD_AUTHENTICATE, | |
11429 | .doit = nl80211_authenticate, | |
11430 | .policy = nl80211_policy, | |
5617c6cd | 11431 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11432 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
11433 | NL80211_FLAG_NEED_RTNL | |
11434 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
11435 | }, |
11436 | { | |
11437 | .cmd = NL80211_CMD_ASSOCIATE, | |
11438 | .doit = nl80211_associate, | |
11439 | .policy = nl80211_policy, | |
5617c6cd | 11440 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11441 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11442 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
11443 | }, |
11444 | { | |
11445 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
11446 | .doit = nl80211_deauthenticate, | |
11447 | .policy = nl80211_policy, | |
5617c6cd | 11448 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11449 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11450 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
11451 | }, |
11452 | { | |
11453 | .cmd = NL80211_CMD_DISASSOCIATE, | |
11454 | .doit = nl80211_disassociate, | |
11455 | .policy = nl80211_policy, | |
5617c6cd | 11456 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11457 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11458 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 11459 | }, |
04a773ad JB |
11460 | { |
11461 | .cmd = NL80211_CMD_JOIN_IBSS, | |
11462 | .doit = nl80211_join_ibss, | |
11463 | .policy = nl80211_policy, | |
5617c6cd | 11464 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11465 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11466 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
11467 | }, |
11468 | { | |
11469 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
11470 | .doit = nl80211_leave_ibss, | |
11471 | .policy = nl80211_policy, | |
5617c6cd | 11472 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11473 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11474 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 11475 | }, |
aff89a9b JB |
11476 | #ifdef CONFIG_NL80211_TESTMODE |
11477 | { | |
11478 | .cmd = NL80211_CMD_TESTMODE, | |
11479 | .doit = nl80211_testmode_do, | |
71063f0e | 11480 | .dumpit = nl80211_testmode_dump, |
aff89a9b | 11481 | .policy = nl80211_policy, |
5617c6cd | 11482 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11483 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11484 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
11485 | }, |
11486 | #endif | |
b23aa676 SO |
11487 | { |
11488 | .cmd = NL80211_CMD_CONNECT, | |
11489 | .doit = nl80211_connect, | |
11490 | .policy = nl80211_policy, | |
5617c6cd | 11491 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11492 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11493 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
11494 | }, |
11495 | { | |
11496 | .cmd = NL80211_CMD_DISCONNECT, | |
11497 | .doit = nl80211_disconnect, | |
11498 | .policy = nl80211_policy, | |
5617c6cd | 11499 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11500 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11501 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 11502 | }, |
463d0183 JB |
11503 | { |
11504 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
11505 | .doit = nl80211_wiphy_netns, | |
11506 | .policy = nl80211_policy, | |
5617c6cd | 11507 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11508 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11509 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 11510 | }, |
61fa713c HS |
11511 | { |
11512 | .cmd = NL80211_CMD_GET_SURVEY, | |
11513 | .policy = nl80211_policy, | |
11514 | .dumpit = nl80211_dump_survey, | |
11515 | }, | |
67fbb16b SO |
11516 | { |
11517 | .cmd = NL80211_CMD_SET_PMKSA, | |
11518 | .doit = nl80211_setdel_pmksa, | |
11519 | .policy = nl80211_policy, | |
5617c6cd | 11520 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11521 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11522 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
11523 | }, |
11524 | { | |
11525 | .cmd = NL80211_CMD_DEL_PMKSA, | |
11526 | .doit = nl80211_setdel_pmksa, | |
11527 | .policy = nl80211_policy, | |
5617c6cd | 11528 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11529 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11530 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
11531 | }, |
11532 | { | |
11533 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
11534 | .doit = nl80211_flush_pmksa, | |
11535 | .policy = nl80211_policy, | |
5617c6cd | 11536 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11537 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11538 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 11539 | }, |
9588bbd5 JM |
11540 | { |
11541 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
11542 | .doit = nl80211_remain_on_channel, | |
11543 | .policy = nl80211_policy, | |
5617c6cd | 11544 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 11545 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 11546 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
11547 | }, |
11548 | { | |
11549 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
11550 | .doit = nl80211_cancel_remain_on_channel, | |
11551 | .policy = nl80211_policy, | |
5617c6cd | 11552 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 11553 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 11554 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 11555 | }, |
13ae75b1 JM |
11556 | { |
11557 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
11558 | .doit = nl80211_set_tx_bitrate_mask, | |
11559 | .policy = nl80211_policy, | |
5617c6cd | 11560 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11561 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11562 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 11563 | }, |
026331c4 | 11564 | { |
2e161f78 JB |
11565 | .cmd = NL80211_CMD_REGISTER_FRAME, |
11566 | .doit = nl80211_register_mgmt, | |
026331c4 | 11567 | .policy = nl80211_policy, |
5617c6cd | 11568 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 11569 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 11570 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
11571 | }, |
11572 | { | |
2e161f78 JB |
11573 | .cmd = NL80211_CMD_FRAME, |
11574 | .doit = nl80211_tx_mgmt, | |
026331c4 | 11575 | .policy = nl80211_policy, |
5617c6cd | 11576 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 11577 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
11578 | NL80211_FLAG_NEED_RTNL, |
11579 | }, | |
11580 | { | |
11581 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
11582 | .doit = nl80211_tx_mgmt_cancel_wait, | |
11583 | .policy = nl80211_policy, | |
5617c6cd | 11584 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 11585 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 11586 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 11587 | }, |
ffb9eb3d KV |
11588 | { |
11589 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
11590 | .doit = nl80211_set_power_save, | |
11591 | .policy = nl80211_policy, | |
5617c6cd | 11592 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11593 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11594 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
11595 | }, |
11596 | { | |
11597 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
11598 | .doit = nl80211_get_power_save, | |
11599 | .policy = nl80211_policy, | |
11600 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
11601 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11602 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 11603 | }, |
d6dc1a38 JO |
11604 | { |
11605 | .cmd = NL80211_CMD_SET_CQM, | |
11606 | .doit = nl80211_set_cqm, | |
11607 | .policy = nl80211_policy, | |
5617c6cd | 11608 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11609 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11610 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 11611 | }, |
f444de05 JB |
11612 | { |
11613 | .cmd = NL80211_CMD_SET_CHANNEL, | |
11614 | .doit = nl80211_set_channel, | |
11615 | .policy = nl80211_policy, | |
5617c6cd | 11616 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11617 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11618 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 11619 | }, |
e8347eba BJ |
11620 | { |
11621 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
11622 | .doit = nl80211_set_wds_peer, | |
11623 | .policy = nl80211_policy, | |
5617c6cd | 11624 | .flags = GENL_UNS_ADMIN_PERM, |
43b19952 JB |
11625 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11626 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 11627 | }, |
29cbe68c JB |
11628 | { |
11629 | .cmd = NL80211_CMD_JOIN_MESH, | |
11630 | .doit = nl80211_join_mesh, | |
11631 | .policy = nl80211_policy, | |
5617c6cd | 11632 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
11633 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11634 | NL80211_FLAG_NEED_RTNL, | |
11635 | }, | |
11636 | { | |
11637 | .cmd = NL80211_CMD_LEAVE_MESH, | |
11638 | .doit = nl80211_leave_mesh, | |
11639 | .policy = nl80211_policy, | |
5617c6cd | 11640 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
11641 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11642 | NL80211_FLAG_NEED_RTNL, | |
11643 | }, | |
6e0bd6c3 RL |
11644 | { |
11645 | .cmd = NL80211_CMD_JOIN_OCB, | |
11646 | .doit = nl80211_join_ocb, | |
11647 | .policy = nl80211_policy, | |
5617c6cd | 11648 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
11649 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11650 | NL80211_FLAG_NEED_RTNL, | |
11651 | }, | |
11652 | { | |
11653 | .cmd = NL80211_CMD_LEAVE_OCB, | |
11654 | .doit = nl80211_leave_ocb, | |
11655 | .policy = nl80211_policy, | |
5617c6cd | 11656 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
11657 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11658 | NL80211_FLAG_NEED_RTNL, | |
11659 | }, | |
dfb89c56 | 11660 | #ifdef CONFIG_PM |
ff1b6e69 JB |
11661 | { |
11662 | .cmd = NL80211_CMD_GET_WOWLAN, | |
11663 | .doit = nl80211_get_wowlan, | |
11664 | .policy = nl80211_policy, | |
11665 | /* can be retrieved by unprivileged users */ | |
11666 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
11667 | NL80211_FLAG_NEED_RTNL, | |
11668 | }, | |
11669 | { | |
11670 | .cmd = NL80211_CMD_SET_WOWLAN, | |
11671 | .doit = nl80211_set_wowlan, | |
11672 | .policy = nl80211_policy, | |
5617c6cd | 11673 | .flags = GENL_UNS_ADMIN_PERM, |
ff1b6e69 JB |
11674 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11675 | NL80211_FLAG_NEED_RTNL, | |
11676 | }, | |
dfb89c56 | 11677 | #endif |
e5497d76 JB |
11678 | { |
11679 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
11680 | .doit = nl80211_set_rekey_data, | |
11681 | .policy = nl80211_policy, | |
5617c6cd | 11682 | .flags = GENL_UNS_ADMIN_PERM, |
e5497d76 | 11683 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
11684 | NL80211_FLAG_NEED_RTNL | |
11685 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 11686 | }, |
109086ce AN |
11687 | { |
11688 | .cmd = NL80211_CMD_TDLS_MGMT, | |
11689 | .doit = nl80211_tdls_mgmt, | |
11690 | .policy = nl80211_policy, | |
5617c6cd | 11691 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
11692 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11693 | NL80211_FLAG_NEED_RTNL, | |
11694 | }, | |
11695 | { | |
11696 | .cmd = NL80211_CMD_TDLS_OPER, | |
11697 | .doit = nl80211_tdls_oper, | |
11698 | .policy = nl80211_policy, | |
5617c6cd | 11699 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
11700 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11701 | NL80211_FLAG_NEED_RTNL, | |
11702 | }, | |
28946da7 JB |
11703 | { |
11704 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
11705 | .doit = nl80211_register_unexpected_frame, | |
11706 | .policy = nl80211_policy, | |
5617c6cd | 11707 | .flags = GENL_UNS_ADMIN_PERM, |
28946da7 JB |
11708 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11709 | NL80211_FLAG_NEED_RTNL, | |
11710 | }, | |
7f6cf311 JB |
11711 | { |
11712 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
11713 | .doit = nl80211_probe_client, | |
11714 | .policy = nl80211_policy, | |
5617c6cd | 11715 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11716 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
11717 | NL80211_FLAG_NEED_RTNL, |
11718 | }, | |
5e760230 JB |
11719 | { |
11720 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
11721 | .doit = nl80211_register_beacons, | |
11722 | .policy = nl80211_policy, | |
5617c6cd | 11723 | .flags = GENL_UNS_ADMIN_PERM, |
5e760230 JB |
11724 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11725 | NL80211_FLAG_NEED_RTNL, | |
11726 | }, | |
1d9d9213 SW |
11727 | { |
11728 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
11729 | .doit = nl80211_set_noack_map, | |
11730 | .policy = nl80211_policy, | |
5617c6cd | 11731 | .flags = GENL_UNS_ADMIN_PERM, |
1d9d9213 SW |
11732 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11733 | NL80211_FLAG_NEED_RTNL, | |
11734 | }, | |
98104fde JB |
11735 | { |
11736 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
11737 | .doit = nl80211_start_p2p_device, | |
11738 | .policy = nl80211_policy, | |
5617c6cd | 11739 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
11740 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
11741 | NL80211_FLAG_NEED_RTNL, | |
11742 | }, | |
11743 | { | |
11744 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
11745 | .doit = nl80211_stop_p2p_device, | |
11746 | .policy = nl80211_policy, | |
5617c6cd | 11747 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
11748 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
11749 | NL80211_FLAG_NEED_RTNL, | |
11750 | }, | |
f4e583c8 AQ |
11751 | { |
11752 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
11753 | .doit = nl80211_set_mcast_rate, | |
77765eaf | 11754 | .policy = nl80211_policy, |
5617c6cd | 11755 | .flags = GENL_UNS_ADMIN_PERM, |
77765eaf VT |
11756 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11757 | NL80211_FLAG_NEED_RTNL, | |
11758 | }, | |
11759 | { | |
11760 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
11761 | .doit = nl80211_set_mac_acl, | |
f4e583c8 | 11762 | .policy = nl80211_policy, |
5617c6cd | 11763 | .flags = GENL_UNS_ADMIN_PERM, |
f4e583c8 AQ |
11764 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11765 | NL80211_FLAG_NEED_RTNL, | |
11766 | }, | |
04f39047 SW |
11767 | { |
11768 | .cmd = NL80211_CMD_RADAR_DETECT, | |
11769 | .doit = nl80211_start_radar_detection, | |
11770 | .policy = nl80211_policy, | |
5617c6cd | 11771 | .flags = GENL_UNS_ADMIN_PERM, |
04f39047 SW |
11772 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11773 | NL80211_FLAG_NEED_RTNL, | |
11774 | }, | |
3713b4e3 JB |
11775 | { |
11776 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
11777 | .doit = nl80211_get_protocol_features, | |
11778 | .policy = nl80211_policy, | |
11779 | }, | |
355199e0 JM |
11780 | { |
11781 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
11782 | .doit = nl80211_update_ft_ies, | |
11783 | .policy = nl80211_policy, | |
5617c6cd | 11784 | .flags = GENL_UNS_ADMIN_PERM, |
355199e0 JM |
11785 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11786 | NL80211_FLAG_NEED_RTNL, | |
11787 | }, | |
5de17984 AS |
11788 | { |
11789 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
11790 | .doit = nl80211_crit_protocol_start, | |
11791 | .policy = nl80211_policy, | |
5617c6cd | 11792 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
11793 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
11794 | NL80211_FLAG_NEED_RTNL, | |
11795 | }, | |
11796 | { | |
11797 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
11798 | .doit = nl80211_crit_protocol_stop, | |
11799 | .policy = nl80211_policy, | |
5617c6cd | 11800 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
11801 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
11802 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
11803 | }, |
11804 | { | |
11805 | .cmd = NL80211_CMD_GET_COALESCE, | |
11806 | .doit = nl80211_get_coalesce, | |
11807 | .policy = nl80211_policy, | |
11808 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
11809 | NL80211_FLAG_NEED_RTNL, | |
11810 | }, | |
11811 | { | |
11812 | .cmd = NL80211_CMD_SET_COALESCE, | |
11813 | .doit = nl80211_set_coalesce, | |
11814 | .policy = nl80211_policy, | |
5617c6cd | 11815 | .flags = GENL_UNS_ADMIN_PERM, |
be29b99a AK |
11816 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11817 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
11818 | }, |
11819 | { | |
11820 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
11821 | .doit = nl80211_channel_switch, | |
11822 | .policy = nl80211_policy, | |
5617c6cd | 11823 | .flags = GENL_UNS_ADMIN_PERM, |
16ef1fe2 SW |
11824 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11825 | NL80211_FLAG_NEED_RTNL, | |
11826 | }, | |
ad7e718c JB |
11827 | { |
11828 | .cmd = NL80211_CMD_VENDOR, | |
11829 | .doit = nl80211_vendor_cmd, | |
7bdbe400 | 11830 | .dumpit = nl80211_vendor_cmd_dump, |
ad7e718c | 11831 | .policy = nl80211_policy, |
5617c6cd | 11832 | .flags = GENL_UNS_ADMIN_PERM, |
ad7e718c JB |
11833 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11834 | NL80211_FLAG_NEED_RTNL, | |
11835 | }, | |
fa9ffc74 KP |
11836 | { |
11837 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
11838 | .doit = nl80211_set_qos_map, | |
11839 | .policy = nl80211_policy, | |
5617c6cd | 11840 | .flags = GENL_UNS_ADMIN_PERM, |
fa9ffc74 KP |
11841 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11842 | NL80211_FLAG_NEED_RTNL, | |
11843 | }, | |
960d01ac JB |
11844 | { |
11845 | .cmd = NL80211_CMD_ADD_TX_TS, | |
11846 | .doit = nl80211_add_tx_ts, | |
11847 | .policy = nl80211_policy, | |
5617c6cd | 11848 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
11849 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11850 | NL80211_FLAG_NEED_RTNL, | |
11851 | }, | |
11852 | { | |
11853 | .cmd = NL80211_CMD_DEL_TX_TS, | |
11854 | .doit = nl80211_del_tx_ts, | |
11855 | .policy = nl80211_policy, | |
5617c6cd | 11856 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
11857 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11858 | NL80211_FLAG_NEED_RTNL, | |
11859 | }, | |
1057d35e AN |
11860 | { |
11861 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
11862 | .doit = nl80211_tdls_channel_switch, | |
11863 | .policy = nl80211_policy, | |
5617c6cd | 11864 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
11865 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11866 | NL80211_FLAG_NEED_RTNL, | |
11867 | }, | |
11868 | { | |
11869 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
11870 | .doit = nl80211_tdls_cancel_channel_switch, | |
11871 | .policy = nl80211_policy, | |
5617c6cd | 11872 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
11873 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
11874 | NL80211_FLAG_NEED_RTNL, | |
11875 | }, | |
55682965 | 11876 | }; |
9588bbd5 | 11877 | |
55682965 JB |
11878 | /* notification functions */ |
11879 | ||
3bb20556 JB |
11880 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
11881 | enum nl80211_commands cmd) | |
55682965 JB |
11882 | { |
11883 | struct sk_buff *msg; | |
86e8cf98 | 11884 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 11885 | |
3bb20556 JB |
11886 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
11887 | cmd != NL80211_CMD_DEL_WIPHY); | |
11888 | ||
fd2120ca | 11889 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
11890 | if (!msg) |
11891 | return; | |
11892 | ||
3bb20556 | 11893 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
11894 | nlmsg_free(msg); |
11895 | return; | |
11896 | } | |
11897 | ||
68eb5503 | 11898 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11899 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
11900 | } |
11901 | ||
896ff063 DK |
11902 | void nl80211_notify_iface(struct cfg80211_registered_device *rdev, |
11903 | struct wireless_dev *wdev, | |
11904 | enum nl80211_commands cmd) | |
11905 | { | |
11906 | struct sk_buff *msg; | |
11907 | ||
11908 | WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && | |
11909 | cmd != NL80211_CMD_DEL_INTERFACE); | |
11910 | ||
11911 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11912 | if (!msg) | |
11913 | return; | |
11914 | ||
11915 | if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, | |
11916 | cmd == NL80211_CMD_DEL_INTERFACE) < 0) { | |
11917 | nlmsg_free(msg); | |
11918 | return; | |
11919 | } | |
11920 | ||
11921 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
11922 | NL80211_MCGRP_CONFIG, GFP_KERNEL); | |
11923 | } | |
11924 | ||
362a415d JB |
11925 | static int nl80211_add_scan_req(struct sk_buff *msg, |
11926 | struct cfg80211_registered_device *rdev) | |
11927 | { | |
11928 | struct cfg80211_scan_request *req = rdev->scan_req; | |
11929 | struct nlattr *nest; | |
11930 | int i; | |
11931 | ||
11932 | if (WARN_ON(!req)) | |
11933 | return 0; | |
11934 | ||
11935 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
11936 | if (!nest) | |
11937 | goto nla_put_failure; | |
9360ffd1 DM |
11938 | for (i = 0; i < req->n_ssids; i++) { |
11939 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
11940 | goto nla_put_failure; | |
11941 | } | |
362a415d JB |
11942 | nla_nest_end(msg, nest); |
11943 | ||
11944 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
11945 | if (!nest) | |
11946 | goto nla_put_failure; | |
9360ffd1 DM |
11947 | for (i = 0; i < req->n_channels; i++) { |
11948 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
11949 | goto nla_put_failure; | |
11950 | } | |
362a415d JB |
11951 | nla_nest_end(msg, nest); |
11952 | ||
9360ffd1 DM |
11953 | if (req->ie && |
11954 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
11955 | goto nla_put_failure; | |
362a415d | 11956 | |
ae917c9f JB |
11957 | if (req->flags && |
11958 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
11959 | goto nla_put_failure; | |
ed473771 | 11960 | |
1d76250b AS |
11961 | if (req->info.scan_start_tsf && |
11962 | (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF, | |
11963 | req->info.scan_start_tsf, NL80211_BSS_PAD) || | |
11964 | nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN, | |
11965 | req->info.tsf_bssid))) | |
11966 | goto nla_put_failure; | |
11967 | ||
362a415d JB |
11968 | return 0; |
11969 | nla_put_failure: | |
11970 | return -ENOBUFS; | |
11971 | } | |
11972 | ||
a538e2d5 JB |
11973 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
11974 | struct cfg80211_registered_device *rdev, | |
fd014284 | 11975 | struct wireless_dev *wdev, |
15e47304 | 11976 | u32 portid, u32 seq, int flags, |
a538e2d5 | 11977 | u32 cmd) |
2a519311 JB |
11978 | { |
11979 | void *hdr; | |
11980 | ||
15e47304 | 11981 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
11982 | if (!hdr) |
11983 | return -1; | |
11984 | ||
9360ffd1 | 11985 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
11986 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11987 | wdev->netdev->ifindex)) || | |
2dad624e ND |
11988 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
11989 | NL80211_ATTR_PAD)) | |
9360ffd1 | 11990 | goto nla_put_failure; |
2a519311 | 11991 | |
362a415d JB |
11992 | /* ignore errors and send incomplete event anyway */ |
11993 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 11994 | |
053c095a JB |
11995 | genlmsg_end(msg, hdr); |
11996 | return 0; | |
2a519311 JB |
11997 | |
11998 | nla_put_failure: | |
11999 | genlmsg_cancel(msg, hdr); | |
12000 | return -EMSGSIZE; | |
12001 | } | |
12002 | ||
807f8a8c LC |
12003 | static int |
12004 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
12005 | struct cfg80211_registered_device *rdev, | |
12006 | struct net_device *netdev, | |
15e47304 | 12007 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
12008 | { |
12009 | void *hdr; | |
12010 | ||
15e47304 | 12011 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
12012 | if (!hdr) |
12013 | return -1; | |
12014 | ||
9360ffd1 DM |
12015 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12016 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
12017 | goto nla_put_failure; | |
807f8a8c | 12018 | |
053c095a JB |
12019 | genlmsg_end(msg, hdr); |
12020 | return 0; | |
807f8a8c LC |
12021 | |
12022 | nla_put_failure: | |
12023 | genlmsg_cancel(msg, hdr); | |
12024 | return -EMSGSIZE; | |
12025 | } | |
12026 | ||
a538e2d5 | 12027 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 12028 | struct wireless_dev *wdev) |
a538e2d5 JB |
12029 | { |
12030 | struct sk_buff *msg; | |
12031 | ||
58050fce | 12032 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
12033 | if (!msg) |
12034 | return; | |
12035 | ||
fd014284 | 12036 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
12037 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
12038 | nlmsg_free(msg); | |
12039 | return; | |
12040 | } | |
12041 | ||
68eb5503 | 12042 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12043 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
12044 | } |
12045 | ||
f9d15d16 JB |
12046 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
12047 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
12048 | { |
12049 | struct sk_buff *msg; | |
12050 | ||
fd2120ca | 12051 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 12052 | if (!msg) |
f9d15d16 | 12053 | return NULL; |
2a519311 | 12054 | |
fd014284 | 12055 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
12056 | aborted ? NL80211_CMD_SCAN_ABORTED : |
12057 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 12058 | nlmsg_free(msg); |
f9d15d16 | 12059 | return NULL; |
2a519311 JB |
12060 | } |
12061 | ||
f9d15d16 | 12062 | return msg; |
2a519311 JB |
12063 | } |
12064 | ||
f9d15d16 JB |
12065 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
12066 | struct sk_buff *msg) | |
2a519311 | 12067 | { |
2a519311 JB |
12068 | if (!msg) |
12069 | return; | |
12070 | ||
68eb5503 | 12071 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12072 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
12073 | } |
12074 | ||
807f8a8c LC |
12075 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
12076 | struct net_device *netdev) | |
12077 | { | |
12078 | struct sk_buff *msg; | |
12079 | ||
12080 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12081 | if (!msg) | |
12082 | return; | |
12083 | ||
12084 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
12085 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
12086 | nlmsg_free(msg); | |
12087 | return; | |
12088 | } | |
12089 | ||
68eb5503 | 12090 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12091 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
12092 | } |
12093 | ||
12094 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
12095 | struct net_device *netdev, u32 cmd) | |
12096 | { | |
12097 | struct sk_buff *msg; | |
12098 | ||
58050fce | 12099 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
12100 | if (!msg) |
12101 | return; | |
12102 | ||
12103 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
12104 | nlmsg_free(msg); | |
12105 | return; | |
12106 | } | |
12107 | ||
68eb5503 | 12108 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12109 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
12110 | } |
12111 | ||
b0d7aa59 JD |
12112 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
12113 | struct regulatory_request *request) | |
73d54c9e | 12114 | { |
73d54c9e | 12115 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
12116 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
12117 | goto nla_put_failure; | |
12118 | ||
12119 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
12120 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12121 | NL80211_REGDOM_TYPE_WORLD)) | |
12122 | goto nla_put_failure; | |
12123 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
12124 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12125 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
12126 | goto nla_put_failure; | |
12127 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
12128 | request->intersect) { | |
12129 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12130 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
12131 | goto nla_put_failure; | |
12132 | } else { | |
12133 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12134 | NL80211_REGDOM_TYPE_COUNTRY) || | |
12135 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
12136 | request->alpha2)) | |
12137 | goto nla_put_failure; | |
12138 | } | |
12139 | ||
ad30ca2c AN |
12140 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
12141 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
12142 | ||
12143 | if (wiphy && | |
12144 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
12145 | goto nla_put_failure; | |
1bdd716c AN |
12146 | |
12147 | if (wiphy && | |
12148 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
12149 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
12150 | goto nla_put_failure; | |
ad30ca2c | 12151 | } |
73d54c9e | 12152 | |
b0d7aa59 JD |
12153 | return true; |
12154 | ||
12155 | nla_put_failure: | |
12156 | return false; | |
12157 | } | |
12158 | ||
12159 | /* | |
12160 | * This can happen on global regulatory changes or device specific settings | |
12161 | * based on custom regulatory domains. | |
12162 | */ | |
12163 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
12164 | struct regulatory_request *request) | |
12165 | { | |
12166 | struct sk_buff *msg; | |
12167 | void *hdr; | |
12168 | ||
12169 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12170 | if (!msg) | |
12171 | return; | |
12172 | ||
12173 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
12174 | if (!hdr) { | |
12175 | nlmsg_free(msg); | |
12176 | return; | |
12177 | } | |
12178 | ||
12179 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
12180 | goto nla_put_failure; | |
12181 | ||
3b7b72ee | 12182 | genlmsg_end(msg, hdr); |
73d54c9e | 12183 | |
bc43b28c | 12184 | rcu_read_lock(); |
68eb5503 | 12185 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 12186 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 12187 | rcu_read_unlock(); |
73d54c9e LR |
12188 | |
12189 | return; | |
12190 | ||
12191 | nla_put_failure: | |
12192 | genlmsg_cancel(msg, hdr); | |
12193 | nlmsg_free(msg); | |
12194 | } | |
12195 | ||
6039f6d2 JM |
12196 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
12197 | struct net_device *netdev, | |
12198 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
12199 | enum nl80211_commands cmd, gfp_t gfp, |
12200 | int uapsd_queues) | |
6039f6d2 JM |
12201 | { |
12202 | struct sk_buff *msg; | |
12203 | void *hdr; | |
12204 | ||
e6d6e342 | 12205 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
12206 | if (!msg) |
12207 | return; | |
12208 | ||
12209 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
12210 | if (!hdr) { | |
12211 | nlmsg_free(msg); | |
12212 | return; | |
12213 | } | |
12214 | ||
9360ffd1 DM |
12215 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12216 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12217 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
12218 | goto nla_put_failure; | |
6039f6d2 | 12219 | |
b0b6aa2c EP |
12220 | if (uapsd_queues >= 0) { |
12221 | struct nlattr *nla_wmm = | |
12222 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
12223 | if (!nla_wmm) | |
12224 | goto nla_put_failure; | |
12225 | ||
12226 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
12227 | uapsd_queues)) | |
12228 | goto nla_put_failure; | |
12229 | ||
12230 | nla_nest_end(msg, nla_wmm); | |
12231 | } | |
12232 | ||
3b7b72ee | 12233 | genlmsg_end(msg, hdr); |
6039f6d2 | 12234 | |
68eb5503 | 12235 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12236 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
12237 | return; |
12238 | ||
12239 | nla_put_failure: | |
12240 | genlmsg_cancel(msg, hdr); | |
12241 | nlmsg_free(msg); | |
12242 | } | |
12243 | ||
12244 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
12245 | struct net_device *netdev, const u8 *buf, |
12246 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
12247 | { |
12248 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 12249 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
12250 | } |
12251 | ||
12252 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
12253 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 12254 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 12255 | { |
e6d6e342 | 12256 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 12257 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
12258 | } |
12259 | ||
53b46b84 | 12260 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
12261 | struct net_device *netdev, const u8 *buf, |
12262 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
12263 | { |
12264 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 12265 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
12266 | } |
12267 | ||
53b46b84 JM |
12268 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
12269 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 12270 | size_t len, gfp_t gfp) |
6039f6d2 JM |
12271 | { |
12272 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 12273 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
12274 | } |
12275 | ||
6ff57cf8 JB |
12276 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
12277 | size_t len) | |
cf4e594e | 12278 | { |
947add36 JB |
12279 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
12280 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12281 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
12282 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
12283 | u32 cmd; | |
947add36 | 12284 | |
6ff57cf8 JB |
12285 | if (WARN_ON(len < 2)) |
12286 | return; | |
cf4e594e | 12287 | |
6ff57cf8 JB |
12288 | if (ieee80211_is_deauth(mgmt->frame_control)) |
12289 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
12290 | else | |
12291 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 12292 | |
6ff57cf8 | 12293 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 12294 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 12295 | } |
6ff57cf8 | 12296 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 12297 | |
1b06bb40 LR |
12298 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
12299 | struct net_device *netdev, int cmd, | |
e6d6e342 | 12300 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
12301 | { |
12302 | struct sk_buff *msg; | |
12303 | void *hdr; | |
12304 | ||
e6d6e342 | 12305 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
12306 | if (!msg) |
12307 | return; | |
12308 | ||
12309 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
12310 | if (!hdr) { | |
12311 | nlmsg_free(msg); | |
12312 | return; | |
12313 | } | |
12314 | ||
9360ffd1 DM |
12315 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12316 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12317 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
12318 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
12319 | goto nla_put_failure; | |
1965c853 | 12320 | |
3b7b72ee | 12321 | genlmsg_end(msg, hdr); |
1965c853 | 12322 | |
68eb5503 | 12323 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12324 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
12325 | return; |
12326 | ||
12327 | nla_put_failure: | |
12328 | genlmsg_cancel(msg, hdr); | |
12329 | nlmsg_free(msg); | |
12330 | } | |
12331 | ||
12332 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
12333 | struct net_device *netdev, const u8 *addr, |
12334 | gfp_t gfp) | |
1965c853 JM |
12335 | { |
12336 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 12337 | addr, gfp); |
1965c853 JM |
12338 | } |
12339 | ||
12340 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
12341 | struct net_device *netdev, const u8 *addr, |
12342 | gfp_t gfp) | |
1965c853 | 12343 | { |
e6d6e342 JB |
12344 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
12345 | addr, gfp); | |
1965c853 JM |
12346 | } |
12347 | ||
b23aa676 SO |
12348 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
12349 | struct net_device *netdev, const u8 *bssid, | |
12350 | const u8 *req_ie, size_t req_ie_len, | |
12351 | const u8 *resp_ie, size_t resp_ie_len, | |
bf1ecd21 | 12352 | int status, gfp_t gfp) |
b23aa676 SO |
12353 | { |
12354 | struct sk_buff *msg; | |
12355 | void *hdr; | |
12356 | ||
58050fce | 12357 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
12358 | if (!msg) |
12359 | return; | |
12360 | ||
12361 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
12362 | if (!hdr) { | |
12363 | nlmsg_free(msg); | |
12364 | return; | |
12365 | } | |
12366 | ||
9360ffd1 DM |
12367 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12368 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12369 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
bf1ecd21 JM |
12370 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, |
12371 | status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : | |
12372 | status) || | |
12373 | (status < 0 && nla_put_flag(msg, NL80211_ATTR_TIMED_OUT)) || | |
9360ffd1 DM |
12374 | (req_ie && |
12375 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
12376 | (resp_ie && | |
12377 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
12378 | goto nla_put_failure; | |
b23aa676 | 12379 | |
3b7b72ee | 12380 | genlmsg_end(msg, hdr); |
b23aa676 | 12381 | |
68eb5503 | 12382 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12383 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
12384 | return; |
12385 | ||
12386 | nla_put_failure: | |
12387 | genlmsg_cancel(msg, hdr); | |
12388 | nlmsg_free(msg); | |
b23aa676 SO |
12389 | } |
12390 | ||
12391 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
12392 | struct net_device *netdev, const u8 *bssid, | |
12393 | const u8 *req_ie, size_t req_ie_len, | |
12394 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
12395 | { | |
12396 | struct sk_buff *msg; | |
12397 | void *hdr; | |
12398 | ||
58050fce | 12399 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
12400 | if (!msg) |
12401 | return; | |
12402 | ||
12403 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
12404 | if (!hdr) { | |
12405 | nlmsg_free(msg); | |
12406 | return; | |
12407 | } | |
12408 | ||
9360ffd1 DM |
12409 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12410 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12411 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
12412 | (req_ie && | |
12413 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
12414 | (resp_ie && | |
12415 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
12416 | goto nla_put_failure; | |
b23aa676 | 12417 | |
3b7b72ee | 12418 | genlmsg_end(msg, hdr); |
b23aa676 | 12419 | |
68eb5503 | 12420 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12421 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
12422 | return; |
12423 | ||
12424 | nla_put_failure: | |
12425 | genlmsg_cancel(msg, hdr); | |
12426 | nlmsg_free(msg); | |
b23aa676 SO |
12427 | } |
12428 | ||
12429 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
12430 | struct net_device *netdev, u16 reason, | |
667503dd | 12431 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
12432 | { |
12433 | struct sk_buff *msg; | |
12434 | void *hdr; | |
12435 | ||
58050fce | 12436 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
12437 | if (!msg) |
12438 | return; | |
12439 | ||
12440 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
12441 | if (!hdr) { | |
12442 | nlmsg_free(msg); | |
12443 | return; | |
12444 | } | |
12445 | ||
9360ffd1 DM |
12446 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12447 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12448 | (from_ap && reason && | |
12449 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
12450 | (from_ap && | |
12451 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
12452 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
12453 | goto nla_put_failure; | |
b23aa676 | 12454 | |
3b7b72ee | 12455 | genlmsg_end(msg, hdr); |
b23aa676 | 12456 | |
68eb5503 | 12457 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12458 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
12459 | return; |
12460 | ||
12461 | nla_put_failure: | |
12462 | genlmsg_cancel(msg, hdr); | |
12463 | nlmsg_free(msg); | |
b23aa676 SO |
12464 | } |
12465 | ||
04a773ad JB |
12466 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
12467 | struct net_device *netdev, const u8 *bssid, | |
12468 | gfp_t gfp) | |
12469 | { | |
12470 | struct sk_buff *msg; | |
12471 | void *hdr; | |
12472 | ||
fd2120ca | 12473 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
12474 | if (!msg) |
12475 | return; | |
12476 | ||
12477 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
12478 | if (!hdr) { | |
12479 | nlmsg_free(msg); | |
12480 | return; | |
12481 | } | |
12482 | ||
9360ffd1 DM |
12483 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12484 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12485 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
12486 | goto nla_put_failure; | |
04a773ad | 12487 | |
3b7b72ee | 12488 | genlmsg_end(msg, hdr); |
04a773ad | 12489 | |
68eb5503 | 12490 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12491 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
12492 | return; |
12493 | ||
12494 | nla_put_failure: | |
12495 | genlmsg_cancel(msg, hdr); | |
12496 | nlmsg_free(msg); | |
12497 | } | |
12498 | ||
947add36 JB |
12499 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
12500 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 12501 | { |
947add36 | 12502 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 12503 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
12504 | struct sk_buff *msg; |
12505 | void *hdr; | |
12506 | ||
947add36 JB |
12507 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
12508 | return; | |
12509 | ||
12510 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
12511 | ||
c93b5e71 JC |
12512 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
12513 | if (!msg) | |
12514 | return; | |
12515 | ||
12516 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
12517 | if (!hdr) { | |
12518 | nlmsg_free(msg); | |
12519 | return; | |
12520 | } | |
12521 | ||
9360ffd1 | 12522 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
12523 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
12524 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
12525 | (ie_len && ie && |
12526 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
12527 | goto nla_put_failure; | |
c93b5e71 | 12528 | |
3b7b72ee | 12529 | genlmsg_end(msg, hdr); |
c93b5e71 | 12530 | |
68eb5503 | 12531 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12532 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
12533 | return; |
12534 | ||
12535 | nla_put_failure: | |
12536 | genlmsg_cancel(msg, hdr); | |
12537 | nlmsg_free(msg); | |
12538 | } | |
947add36 | 12539 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 12540 | |
a3b8b056 JM |
12541 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
12542 | struct net_device *netdev, const u8 *addr, | |
12543 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 12544 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
12545 | { |
12546 | struct sk_buff *msg; | |
12547 | void *hdr; | |
12548 | ||
e6d6e342 | 12549 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
12550 | if (!msg) |
12551 | return; | |
12552 | ||
12553 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
12554 | if (!hdr) { | |
12555 | nlmsg_free(msg); | |
12556 | return; | |
12557 | } | |
12558 | ||
9360ffd1 DM |
12559 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12560 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12561 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
12562 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
12563 | (key_id != -1 && | |
12564 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
12565 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
12566 | goto nla_put_failure; | |
a3b8b056 | 12567 | |
3b7b72ee | 12568 | genlmsg_end(msg, hdr); |
a3b8b056 | 12569 | |
68eb5503 | 12570 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12571 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
12572 | return; |
12573 | ||
12574 | nla_put_failure: | |
12575 | genlmsg_cancel(msg, hdr); | |
12576 | nlmsg_free(msg); | |
12577 | } | |
12578 | ||
6bad8766 LR |
12579 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
12580 | struct ieee80211_channel *channel_before, | |
12581 | struct ieee80211_channel *channel_after) | |
12582 | { | |
12583 | struct sk_buff *msg; | |
12584 | void *hdr; | |
12585 | struct nlattr *nl_freq; | |
12586 | ||
fd2120ca | 12587 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
12588 | if (!msg) |
12589 | return; | |
12590 | ||
12591 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
12592 | if (!hdr) { | |
12593 | nlmsg_free(msg); | |
12594 | return; | |
12595 | } | |
12596 | ||
12597 | /* | |
12598 | * Since we are applying the beacon hint to a wiphy we know its | |
12599 | * wiphy_idx is valid | |
12600 | */ | |
9360ffd1 DM |
12601 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
12602 | goto nla_put_failure; | |
6bad8766 LR |
12603 | |
12604 | /* Before */ | |
12605 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
12606 | if (!nl_freq) | |
12607 | goto nla_put_failure; | |
cdc89b97 | 12608 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
12609 | goto nla_put_failure; |
12610 | nla_nest_end(msg, nl_freq); | |
12611 | ||
12612 | /* After */ | |
12613 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
12614 | if (!nl_freq) | |
12615 | goto nla_put_failure; | |
cdc89b97 | 12616 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
12617 | goto nla_put_failure; |
12618 | nla_nest_end(msg, nl_freq); | |
12619 | ||
3b7b72ee | 12620 | genlmsg_end(msg, hdr); |
6bad8766 | 12621 | |
463d0183 | 12622 | rcu_read_lock(); |
68eb5503 | 12623 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 12624 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 12625 | rcu_read_unlock(); |
6bad8766 LR |
12626 | |
12627 | return; | |
12628 | ||
12629 | nla_put_failure: | |
12630 | genlmsg_cancel(msg, hdr); | |
12631 | nlmsg_free(msg); | |
12632 | } | |
12633 | ||
9588bbd5 JM |
12634 | static void nl80211_send_remain_on_chan_event( |
12635 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 12636 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 12637 | struct ieee80211_channel *chan, |
9588bbd5 JM |
12638 | unsigned int duration, gfp_t gfp) |
12639 | { | |
12640 | struct sk_buff *msg; | |
12641 | void *hdr; | |
12642 | ||
12643 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12644 | if (!msg) | |
12645 | return; | |
12646 | ||
12647 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
12648 | if (!hdr) { | |
12649 | nlmsg_free(msg); | |
12650 | return; | |
12651 | } | |
12652 | ||
9360ffd1 | 12653 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
12654 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
12655 | wdev->netdev->ifindex)) || | |
2dad624e ND |
12656 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
12657 | NL80211_ATTR_PAD) || | |
9360ffd1 | 12658 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
12659 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
12660 | NL80211_CHAN_NO_HT) || | |
2dad624e ND |
12661 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
12662 | NL80211_ATTR_PAD)) | |
9360ffd1 | 12663 | goto nla_put_failure; |
9588bbd5 | 12664 | |
9360ffd1 DM |
12665 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
12666 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
12667 | goto nla_put_failure; | |
9588bbd5 | 12668 | |
3b7b72ee | 12669 | genlmsg_end(msg, hdr); |
9588bbd5 | 12670 | |
68eb5503 | 12671 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12672 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
12673 | return; |
12674 | ||
12675 | nla_put_failure: | |
12676 | genlmsg_cancel(msg, hdr); | |
12677 | nlmsg_free(msg); | |
12678 | } | |
12679 | ||
947add36 JB |
12680 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
12681 | struct ieee80211_channel *chan, | |
12682 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 12683 | { |
947add36 | 12684 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 12685 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
12686 | |
12687 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 12688 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 12689 | rdev, wdev, cookie, chan, |
42d97a59 | 12690 | duration, gfp); |
9588bbd5 | 12691 | } |
947add36 | 12692 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 12693 | |
947add36 JB |
12694 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
12695 | struct ieee80211_channel *chan, | |
12696 | gfp_t gfp) | |
9588bbd5 | 12697 | { |
947add36 | 12698 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 12699 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
12700 | |
12701 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 12702 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 12703 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 12704 | } |
947add36 | 12705 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 12706 | |
947add36 JB |
12707 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
12708 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 12709 | { |
947add36 | 12710 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 12711 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
12712 | struct sk_buff *msg; |
12713 | ||
947add36 JB |
12714 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
12715 | ||
58050fce | 12716 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
12717 | if (!msg) |
12718 | return; | |
12719 | ||
cf5ead82 | 12720 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 12721 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
12722 | nlmsg_free(msg); |
12723 | return; | |
12724 | } | |
12725 | ||
68eb5503 | 12726 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12727 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 12728 | } |
947add36 | 12729 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 12730 | |
cf5ead82 JB |
12731 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
12732 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 12733 | { |
947add36 | 12734 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 12735 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 12736 | struct sk_buff *msg; |
cf5ead82 JB |
12737 | struct station_info empty_sinfo = {}; |
12738 | ||
12739 | if (!sinfo) | |
12740 | sinfo = &empty_sinfo; | |
ec15e68b | 12741 | |
947add36 JB |
12742 | trace_cfg80211_del_sta(dev, mac_addr); |
12743 | ||
58050fce | 12744 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
12745 | if (!msg) |
12746 | return; | |
12747 | ||
cf5ead82 | 12748 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 12749 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b JM |
12750 | nlmsg_free(msg); |
12751 | return; | |
12752 | } | |
12753 | ||
68eb5503 | 12754 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12755 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 12756 | } |
cf5ead82 | 12757 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 12758 | |
947add36 JB |
12759 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
12760 | enum nl80211_connect_failed_reason reason, | |
12761 | gfp_t gfp) | |
ed44a951 | 12762 | { |
947add36 | 12763 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 12764 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
12765 | struct sk_buff *msg; |
12766 | void *hdr; | |
12767 | ||
12768 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
12769 | if (!msg) | |
12770 | return; | |
12771 | ||
12772 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
12773 | if (!hdr) { | |
12774 | nlmsg_free(msg); | |
12775 | return; | |
12776 | } | |
12777 | ||
12778 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12779 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
12780 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
12781 | goto nla_put_failure; | |
12782 | ||
12783 | genlmsg_end(msg, hdr); | |
12784 | ||
68eb5503 | 12785 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12786 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
12787 | return; |
12788 | ||
12789 | nla_put_failure: | |
12790 | genlmsg_cancel(msg, hdr); | |
12791 | nlmsg_free(msg); | |
12792 | } | |
947add36 | 12793 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 12794 | |
b92ab5d8 JB |
12795 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
12796 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
12797 | { |
12798 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 12799 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
12800 | struct sk_buff *msg; |
12801 | void *hdr; | |
15e47304 | 12802 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 12803 | |
15e47304 | 12804 | if (!nlportid) |
28946da7 JB |
12805 | return false; |
12806 | ||
12807 | msg = nlmsg_new(100, gfp); | |
12808 | if (!msg) | |
12809 | return true; | |
12810 | ||
b92ab5d8 | 12811 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
12812 | if (!hdr) { |
12813 | nlmsg_free(msg); | |
12814 | return true; | |
12815 | } | |
12816 | ||
9360ffd1 DM |
12817 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12818 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12819 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
12820 | goto nla_put_failure; | |
28946da7 | 12821 | |
9c90a9f6 | 12822 | genlmsg_end(msg, hdr); |
15e47304 | 12823 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
12824 | return true; |
12825 | ||
12826 | nla_put_failure: | |
12827 | genlmsg_cancel(msg, hdr); | |
12828 | nlmsg_free(msg); | |
12829 | return true; | |
12830 | } | |
12831 | ||
947add36 JB |
12832 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
12833 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 12834 | { |
947add36 JB |
12835 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
12836 | bool ret; | |
12837 | ||
12838 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
12839 | ||
12840 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
12841 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
12842 | trace_cfg80211_return_bool(false); | |
12843 | return false; | |
12844 | } | |
12845 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
12846 | addr, gfp); | |
12847 | trace_cfg80211_return_bool(ret); | |
12848 | return ret; | |
b92ab5d8 | 12849 | } |
947add36 | 12850 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 12851 | |
947add36 JB |
12852 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
12853 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 12854 | { |
947add36 JB |
12855 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
12856 | bool ret; | |
12857 | ||
12858 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
12859 | ||
12860 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
12861 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
12862 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
12863 | trace_cfg80211_return_bool(false); | |
12864 | return false; | |
12865 | } | |
12866 | ret = __nl80211_unexpected_frame(dev, | |
12867 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
12868 | addr, gfp); | |
12869 | trace_cfg80211_return_bool(ret); | |
12870 | return ret; | |
b92ab5d8 | 12871 | } |
947add36 | 12872 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 12873 | |
2e161f78 | 12874 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 12875 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 12876 | int freq, int sig_dbm, |
19504cf5 | 12877 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 12878 | { |
71bbc994 | 12879 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
12880 | struct sk_buff *msg; |
12881 | void *hdr; | |
026331c4 JM |
12882 | |
12883 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12884 | if (!msg) | |
12885 | return -ENOMEM; | |
12886 | ||
2e161f78 | 12887 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
12888 | if (!hdr) { |
12889 | nlmsg_free(msg); | |
12890 | return -ENOMEM; | |
12891 | } | |
12892 | ||
9360ffd1 | 12893 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
12894 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
12895 | netdev->ifindex)) || | |
2dad624e ND |
12896 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
12897 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
12898 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
12899 | (sig_dbm && | |
12900 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
12901 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
12902 | (flags && | |
12903 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 12904 | goto nla_put_failure; |
026331c4 | 12905 | |
3b7b72ee | 12906 | genlmsg_end(msg, hdr); |
026331c4 | 12907 | |
15e47304 | 12908 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
12909 | |
12910 | nla_put_failure: | |
12911 | genlmsg_cancel(msg, hdr); | |
12912 | nlmsg_free(msg); | |
12913 | return -ENOBUFS; | |
12914 | } | |
12915 | ||
947add36 JB |
12916 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
12917 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 12918 | { |
947add36 | 12919 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 12920 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 12921 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
12922 | struct sk_buff *msg; |
12923 | void *hdr; | |
12924 | ||
947add36 JB |
12925 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
12926 | ||
026331c4 JM |
12927 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
12928 | if (!msg) | |
12929 | return; | |
12930 | ||
2e161f78 | 12931 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
12932 | if (!hdr) { |
12933 | nlmsg_free(msg); | |
12934 | return; | |
12935 | } | |
12936 | ||
9360ffd1 | 12937 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
12938 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
12939 | netdev->ifindex)) || | |
2dad624e ND |
12940 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
12941 | NL80211_ATTR_PAD) || | |
9360ffd1 | 12942 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
2dad624e ND |
12943 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
12944 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
12945 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) |
12946 | goto nla_put_failure; | |
026331c4 | 12947 | |
3b7b72ee | 12948 | genlmsg_end(msg, hdr); |
026331c4 | 12949 | |
68eb5503 | 12950 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12951 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
12952 | return; |
12953 | ||
12954 | nla_put_failure: | |
12955 | genlmsg_cancel(msg, hdr); | |
12956 | nlmsg_free(msg); | |
12957 | } | |
947add36 | 12958 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 12959 | |
5b97f49d JB |
12960 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
12961 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 12962 | { |
947add36 | 12963 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
12964 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
12965 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12966 | void **cb; | |
947add36 | 12967 | |
d6dc1a38 | 12968 | if (!msg) |
5b97f49d | 12969 | return NULL; |
d6dc1a38 | 12970 | |
5b97f49d JB |
12971 | cb = (void **)msg->cb; |
12972 | ||
12973 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
12974 | if (!cb[0]) { | |
d6dc1a38 | 12975 | nlmsg_free(msg); |
5b97f49d | 12976 | return NULL; |
d6dc1a38 JO |
12977 | } |
12978 | ||
9360ffd1 | 12979 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 12980 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 12981 | goto nla_put_failure; |
d6dc1a38 | 12982 | |
5b97f49d | 12983 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
12984 | goto nla_put_failure; |
12985 | ||
5b97f49d JB |
12986 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
12987 | if (!cb[1]) | |
9360ffd1 | 12988 | goto nla_put_failure; |
d6dc1a38 | 12989 | |
5b97f49d | 12990 | cb[2] = rdev; |
d6dc1a38 | 12991 | |
5b97f49d JB |
12992 | return msg; |
12993 | nla_put_failure: | |
12994 | nlmsg_free(msg); | |
12995 | return NULL; | |
12996 | } | |
12997 | ||
12998 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
12999 | { | |
13000 | void **cb = (void **)msg->cb; | |
13001 | struct cfg80211_registered_device *rdev = cb[2]; | |
13002 | ||
13003 | nla_nest_end(msg, cb[1]); | |
13004 | genlmsg_end(msg, cb[0]); | |
13005 | ||
13006 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 13007 | |
68eb5503 | 13008 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13009 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
13010 | } |
13011 | ||
13012 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
13013 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
13014 | gfp_t gfp) | |
13015 | { | |
13016 | struct sk_buff *msg; | |
13017 | ||
13018 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); | |
13019 | ||
98f03342 JB |
13020 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
13021 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
13022 | return; | |
13023 | ||
5b97f49d JB |
13024 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
13025 | if (!msg) | |
13026 | return; | |
13027 | ||
13028 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
13029 | rssi_event)) | |
13030 | goto nla_put_failure; | |
13031 | ||
13032 | cfg80211_send_cqm(msg, gfp); | |
13033 | ||
d6dc1a38 JO |
13034 | return; |
13035 | ||
13036 | nla_put_failure: | |
d6dc1a38 JO |
13037 | nlmsg_free(msg); |
13038 | } | |
947add36 | 13039 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 13040 | |
5b97f49d JB |
13041 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
13042 | const u8 *peer, u32 num_packets, | |
13043 | u32 rate, u32 intvl, gfp_t gfp) | |
13044 | { | |
13045 | struct sk_buff *msg; | |
13046 | ||
13047 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
13048 | if (!msg) | |
13049 | return; | |
13050 | ||
13051 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
13052 | goto nla_put_failure; | |
13053 | ||
13054 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
13055 | goto nla_put_failure; | |
13056 | ||
13057 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
13058 | goto nla_put_failure; | |
13059 | ||
13060 | cfg80211_send_cqm(msg, gfp); | |
13061 | return; | |
13062 | ||
13063 | nla_put_failure: | |
13064 | nlmsg_free(msg); | |
13065 | } | |
13066 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
13067 | ||
13068 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
13069 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
13070 | { | |
13071 | struct sk_buff *msg; | |
13072 | ||
13073 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
13074 | ||
13075 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
13076 | if (!msg) | |
13077 | return; | |
13078 | ||
13079 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
13080 | goto nla_put_failure; | |
13081 | ||
13082 | cfg80211_send_cqm(msg, gfp); | |
13083 | return; | |
13084 | ||
13085 | nla_put_failure: | |
13086 | nlmsg_free(msg); | |
13087 | } | |
13088 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
13089 | ||
98f03342 JB |
13090 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
13091 | { | |
13092 | struct sk_buff *msg; | |
13093 | ||
13094 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
13095 | if (!msg) | |
13096 | return; | |
13097 | ||
13098 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
13099 | goto nla_put_failure; | |
13100 | ||
13101 | cfg80211_send_cqm(msg, gfp); | |
13102 | return; | |
13103 | ||
13104 | nla_put_failure: | |
13105 | nlmsg_free(msg); | |
13106 | } | |
13107 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
13108 | ||
947add36 JB |
13109 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
13110 | struct net_device *netdev, const u8 *bssid, | |
13111 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
13112 | { |
13113 | struct sk_buff *msg; | |
13114 | struct nlattr *rekey_attr; | |
13115 | void *hdr; | |
13116 | ||
58050fce | 13117 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
13118 | if (!msg) |
13119 | return; | |
13120 | ||
13121 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
13122 | if (!hdr) { | |
13123 | nlmsg_free(msg); | |
13124 | return; | |
13125 | } | |
13126 | ||
9360ffd1 DM |
13127 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13128 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13129 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13130 | goto nla_put_failure; | |
e5497d76 JB |
13131 | |
13132 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
13133 | if (!rekey_attr) | |
13134 | goto nla_put_failure; | |
13135 | ||
9360ffd1 DM |
13136 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
13137 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
13138 | goto nla_put_failure; | |
e5497d76 JB |
13139 | |
13140 | nla_nest_end(msg, rekey_attr); | |
13141 | ||
3b7b72ee | 13142 | genlmsg_end(msg, hdr); |
e5497d76 | 13143 | |
68eb5503 | 13144 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13145 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
13146 | return; |
13147 | ||
13148 | nla_put_failure: | |
13149 | genlmsg_cancel(msg, hdr); | |
13150 | nlmsg_free(msg); | |
13151 | } | |
13152 | ||
947add36 JB |
13153 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
13154 | const u8 *replay_ctr, gfp_t gfp) | |
13155 | { | |
13156 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
13157 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13158 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13159 | |
13160 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
13161 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
13162 | } | |
13163 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
13164 | ||
13165 | static void | |
13166 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
13167 | struct net_device *netdev, int index, | |
13168 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
13169 | { |
13170 | struct sk_buff *msg; | |
13171 | struct nlattr *attr; | |
13172 | void *hdr; | |
13173 | ||
58050fce | 13174 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
13175 | if (!msg) |
13176 | return; | |
13177 | ||
13178 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
13179 | if (!hdr) { | |
13180 | nlmsg_free(msg); | |
13181 | return; | |
13182 | } | |
13183 | ||
9360ffd1 DM |
13184 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13185 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
13186 | goto nla_put_failure; | |
c9df56b4 JM |
13187 | |
13188 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
13189 | if (!attr) | |
13190 | goto nla_put_failure; | |
13191 | ||
9360ffd1 DM |
13192 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
13193 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
13194 | (preauth && | |
13195 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
13196 | goto nla_put_failure; | |
c9df56b4 JM |
13197 | |
13198 | nla_nest_end(msg, attr); | |
13199 | ||
3b7b72ee | 13200 | genlmsg_end(msg, hdr); |
c9df56b4 | 13201 | |
68eb5503 | 13202 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13203 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
13204 | return; |
13205 | ||
13206 | nla_put_failure: | |
13207 | genlmsg_cancel(msg, hdr); | |
13208 | nlmsg_free(msg); | |
13209 | } | |
13210 | ||
947add36 JB |
13211 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
13212 | const u8 *bssid, bool preauth, gfp_t gfp) | |
13213 | { | |
13214 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
13215 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13216 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13217 | |
13218 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
13219 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
13220 | } | |
13221 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
13222 | ||
13223 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
13224 | struct net_device *netdev, | |
13225 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
13226 | gfp_t gfp, |
13227 | enum nl80211_commands notif, | |
13228 | u8 count) | |
5314526b TP |
13229 | { |
13230 | struct sk_buff *msg; | |
13231 | void *hdr; | |
13232 | ||
58050fce | 13233 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
13234 | if (!msg) |
13235 | return; | |
13236 | ||
f8d7552e | 13237 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
13238 | if (!hdr) { |
13239 | nlmsg_free(msg); | |
13240 | return; | |
13241 | } | |
13242 | ||
683b6d3b JB |
13243 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
13244 | goto nla_put_failure; | |
13245 | ||
13246 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 13247 | goto nla_put_failure; |
5314526b | 13248 | |
f8d7552e LC |
13249 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
13250 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
13251 | goto nla_put_failure; | |
13252 | ||
5314526b TP |
13253 | genlmsg_end(msg, hdr); |
13254 | ||
68eb5503 | 13255 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13256 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
13257 | return; |
13258 | ||
13259 | nla_put_failure: | |
13260 | genlmsg_cancel(msg, hdr); | |
13261 | nlmsg_free(msg); | |
13262 | } | |
13263 | ||
947add36 JB |
13264 | void cfg80211_ch_switch_notify(struct net_device *dev, |
13265 | struct cfg80211_chan_def *chandef) | |
84f10708 | 13266 | { |
947add36 JB |
13267 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13268 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13269 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 13270 | |
e487eaeb | 13271 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 13272 | |
e487eaeb | 13273 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 13274 | |
9e0e2961 | 13275 | wdev->chandef = *chandef; |
96f55f12 | 13276 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
13277 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
13278 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
13279 | } |
13280 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
13281 | ||
f8d7552e LC |
13282 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
13283 | struct cfg80211_chan_def *chandef, | |
13284 | u8 count) | |
13285 | { | |
13286 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
13287 | struct wiphy *wiphy = wdev->wiphy; | |
13288 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
13289 | ||
13290 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
13291 | ||
13292 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
13293 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
13294 | } | |
13295 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
13296 | ||
04f39047 SW |
13297 | void |
13298 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 13299 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
13300 | enum nl80211_radar_event event, |
13301 | struct net_device *netdev, gfp_t gfp) | |
13302 | { | |
13303 | struct sk_buff *msg; | |
13304 | void *hdr; | |
13305 | ||
13306 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13307 | if (!msg) | |
13308 | return; | |
13309 | ||
13310 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
13311 | if (!hdr) { | |
13312 | nlmsg_free(msg); | |
13313 | return; | |
13314 | } | |
13315 | ||
13316 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
13317 | goto nla_put_failure; | |
13318 | ||
13319 | /* NOP and radar events don't need a netdev parameter */ | |
13320 | if (netdev) { | |
13321 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
13322 | ||
13323 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
2dad624e ND |
13324 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13325 | NL80211_ATTR_PAD)) | |
04f39047 SW |
13326 | goto nla_put_failure; |
13327 | } | |
13328 | ||
13329 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
13330 | goto nla_put_failure; | |
13331 | ||
13332 | if (nl80211_send_chandef(msg, chandef)) | |
13333 | goto nla_put_failure; | |
13334 | ||
9c90a9f6 | 13335 | genlmsg_end(msg, hdr); |
04f39047 | 13336 | |
68eb5503 | 13337 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13338 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
13339 | return; |
13340 | ||
13341 | nla_put_failure: | |
13342 | genlmsg_cancel(msg, hdr); | |
13343 | nlmsg_free(msg); | |
13344 | } | |
13345 | ||
7f6cf311 JB |
13346 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
13347 | u64 cookie, bool acked, gfp_t gfp) | |
13348 | { | |
13349 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 13350 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
13351 | struct sk_buff *msg; |
13352 | void *hdr; | |
7f6cf311 | 13353 | |
4ee3e063 BL |
13354 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
13355 | ||
58050fce | 13356 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 13357 | |
7f6cf311 JB |
13358 | if (!msg) |
13359 | return; | |
13360 | ||
13361 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
13362 | if (!hdr) { | |
13363 | nlmsg_free(msg); | |
13364 | return; | |
13365 | } | |
13366 | ||
9360ffd1 DM |
13367 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13368 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13369 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
2dad624e ND |
13370 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
13371 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
13372 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) |
13373 | goto nla_put_failure; | |
7f6cf311 | 13374 | |
9c90a9f6 | 13375 | genlmsg_end(msg, hdr); |
7f6cf311 | 13376 | |
68eb5503 | 13377 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13378 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
13379 | return; |
13380 | ||
13381 | nla_put_failure: | |
13382 | genlmsg_cancel(msg, hdr); | |
13383 | nlmsg_free(msg); | |
13384 | } | |
13385 | EXPORT_SYMBOL(cfg80211_probe_status); | |
13386 | ||
5e760230 JB |
13387 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
13388 | const u8 *frame, size_t len, | |
37c73b5f | 13389 | int freq, int sig_dbm) |
5e760230 | 13390 | { |
f26cbf40 | 13391 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
13392 | struct sk_buff *msg; |
13393 | void *hdr; | |
37c73b5f | 13394 | struct cfg80211_beacon_registration *reg; |
5e760230 | 13395 | |
4ee3e063 BL |
13396 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
13397 | ||
37c73b5f BG |
13398 | spin_lock_bh(&rdev->beacon_registrations_lock); |
13399 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
13400 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
13401 | if (!msg) { | |
13402 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
13403 | return; | |
13404 | } | |
5e760230 | 13405 | |
37c73b5f BG |
13406 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
13407 | if (!hdr) | |
13408 | goto nla_put_failure; | |
5e760230 | 13409 | |
37c73b5f BG |
13410 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13411 | (freq && | |
13412 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
13413 | (sig_dbm && | |
13414 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
13415 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
13416 | goto nla_put_failure; | |
5e760230 | 13417 | |
37c73b5f | 13418 | genlmsg_end(msg, hdr); |
5e760230 | 13419 | |
37c73b5f BG |
13420 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
13421 | } | |
13422 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
13423 | return; |
13424 | ||
13425 | nla_put_failure: | |
37c73b5f BG |
13426 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
13427 | if (hdr) | |
13428 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
13429 | nlmsg_free(msg); |
13430 | } | |
13431 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
13432 | ||
cd8f7cb4 | 13433 | #ifdef CONFIG_PM |
8cd4d456 LC |
13434 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
13435 | struct cfg80211_wowlan_wakeup *wakeup) | |
13436 | { | |
13437 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
13438 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
13439 | int i, j; | |
13440 | ||
13441 | nl_results = nla_nest_start( | |
13442 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
13443 | if (!nl_results) | |
13444 | return -EMSGSIZE; | |
13445 | ||
13446 | for (i = 0; i < nd->n_matches; i++) { | |
13447 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
13448 | ||
13449 | nl_match = nla_nest_start(msg, i); | |
13450 | if (!nl_match) | |
13451 | break; | |
13452 | ||
13453 | /* The SSID attribute is optional in nl80211, but for | |
13454 | * simplicity reasons it's always present in the | |
13455 | * cfg80211 structure. If a driver can't pass the | |
13456 | * SSID, that needs to be changed. A zero length SSID | |
13457 | * is still a valid SSID (wildcard), so it cannot be | |
13458 | * used for this purpose. | |
13459 | */ | |
13460 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
13461 | match->ssid.ssid)) { | |
13462 | nla_nest_cancel(msg, nl_match); | |
13463 | goto out; | |
13464 | } | |
13465 | ||
13466 | if (match->n_channels) { | |
13467 | nl_freqs = nla_nest_start( | |
13468 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
13469 | if (!nl_freqs) { | |
13470 | nla_nest_cancel(msg, nl_match); | |
13471 | goto out; | |
13472 | } | |
13473 | ||
13474 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 13475 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
13476 | nla_nest_cancel(msg, nl_freqs); |
13477 | nla_nest_cancel(msg, nl_match); | |
13478 | goto out; | |
13479 | } | |
13480 | } | |
13481 | ||
13482 | nla_nest_end(msg, nl_freqs); | |
13483 | } | |
13484 | ||
13485 | nla_nest_end(msg, nl_match); | |
13486 | } | |
13487 | ||
13488 | out: | |
13489 | nla_nest_end(msg, nl_results); | |
13490 | return 0; | |
13491 | } | |
13492 | ||
cd8f7cb4 JB |
13493 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
13494 | struct cfg80211_wowlan_wakeup *wakeup, | |
13495 | gfp_t gfp) | |
13496 | { | |
f26cbf40 | 13497 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
13498 | struct sk_buff *msg; |
13499 | void *hdr; | |
9c90a9f6 | 13500 | int size = 200; |
cd8f7cb4 JB |
13501 | |
13502 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
13503 | ||
13504 | if (wakeup) | |
13505 | size += wakeup->packet_present_len; | |
13506 | ||
13507 | msg = nlmsg_new(size, gfp); | |
13508 | if (!msg) | |
13509 | return; | |
13510 | ||
13511 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
13512 | if (!hdr) | |
13513 | goto free_msg; | |
13514 | ||
13515 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
13516 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13517 | NL80211_ATTR_PAD)) | |
cd8f7cb4 JB |
13518 | goto free_msg; |
13519 | ||
13520 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
13521 | wdev->netdev->ifindex)) | |
13522 | goto free_msg; | |
13523 | ||
13524 | if (wakeup) { | |
13525 | struct nlattr *reasons; | |
13526 | ||
13527 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
13528 | if (!reasons) |
13529 | goto free_msg; | |
cd8f7cb4 JB |
13530 | |
13531 | if (wakeup->disconnect && | |
13532 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
13533 | goto free_msg; | |
13534 | if (wakeup->magic_pkt && | |
13535 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
13536 | goto free_msg; | |
13537 | if (wakeup->gtk_rekey_failure && | |
13538 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
13539 | goto free_msg; | |
13540 | if (wakeup->eap_identity_req && | |
13541 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
13542 | goto free_msg; | |
13543 | if (wakeup->four_way_handshake && | |
13544 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
13545 | goto free_msg; | |
13546 | if (wakeup->rfkill_release && | |
13547 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
13548 | goto free_msg; | |
13549 | ||
13550 | if (wakeup->pattern_idx >= 0 && | |
13551 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
13552 | wakeup->pattern_idx)) | |
13553 | goto free_msg; | |
13554 | ||
ae917c9f JB |
13555 | if (wakeup->tcp_match && |
13556 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
13557 | goto free_msg; | |
2a0e047e | 13558 | |
ae917c9f JB |
13559 | if (wakeup->tcp_connlost && |
13560 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
13561 | goto free_msg; | |
2a0e047e | 13562 | |
ae917c9f JB |
13563 | if (wakeup->tcp_nomoretokens && |
13564 | nla_put_flag(msg, | |
13565 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
13566 | goto free_msg; | |
2a0e047e | 13567 | |
cd8f7cb4 JB |
13568 | if (wakeup->packet) { |
13569 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
13570 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
13571 | ||
13572 | if (!wakeup->packet_80211) { | |
13573 | pkt_attr = | |
13574 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
13575 | len_attr = | |
13576 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
13577 | } | |
13578 | ||
13579 | if (wakeup->packet_len && | |
13580 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
13581 | goto free_msg; | |
13582 | ||
13583 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
13584 | wakeup->packet)) | |
13585 | goto free_msg; | |
13586 | } | |
13587 | ||
8cd4d456 LC |
13588 | if (wakeup->net_detect && |
13589 | cfg80211_net_detect_results(msg, wakeup)) | |
13590 | goto free_msg; | |
13591 | ||
cd8f7cb4 JB |
13592 | nla_nest_end(msg, reasons); |
13593 | } | |
13594 | ||
9c90a9f6 | 13595 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 13596 | |
68eb5503 | 13597 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13598 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
13599 | return; |
13600 | ||
13601 | free_msg: | |
13602 | nlmsg_free(msg); | |
13603 | } | |
13604 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
13605 | #endif | |
13606 | ||
3475b094 JM |
13607 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
13608 | enum nl80211_tdls_operation oper, | |
13609 | u16 reason_code, gfp_t gfp) | |
13610 | { | |
13611 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 13612 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
13613 | struct sk_buff *msg; |
13614 | void *hdr; | |
3475b094 JM |
13615 | |
13616 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
13617 | reason_code); | |
13618 | ||
13619 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13620 | if (!msg) | |
13621 | return; | |
13622 | ||
13623 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
13624 | if (!hdr) { | |
13625 | nlmsg_free(msg); | |
13626 | return; | |
13627 | } | |
13628 | ||
13629 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
13630 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13631 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
13632 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
13633 | (reason_code > 0 && | |
13634 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
13635 | goto nla_put_failure; | |
13636 | ||
9c90a9f6 | 13637 | genlmsg_end(msg, hdr); |
3475b094 | 13638 | |
68eb5503 | 13639 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13640 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
13641 | return; |
13642 | ||
13643 | nla_put_failure: | |
13644 | genlmsg_cancel(msg, hdr); | |
13645 | nlmsg_free(msg); | |
13646 | } | |
13647 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
13648 | ||
026331c4 JM |
13649 | static int nl80211_netlink_notify(struct notifier_block * nb, |
13650 | unsigned long state, | |
13651 | void *_notify) | |
13652 | { | |
13653 | struct netlink_notify *notify = _notify; | |
13654 | struct cfg80211_registered_device *rdev; | |
13655 | struct wireless_dev *wdev; | |
37c73b5f | 13656 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 | 13657 | |
8f815cdd | 13658 | if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC) |
026331c4 JM |
13659 | return NOTIFY_DONE; |
13660 | ||
13661 | rcu_read_lock(); | |
13662 | ||
5e760230 | 13663 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a | 13664 | bool schedule_destroy_work = false; |
93a1e86c JR |
13665 | bool schedule_scan_stop = false; |
13666 | struct cfg80211_sched_scan_request *sched_scan_req = | |
13667 | rcu_dereference(rdev->sched_scan_req); | |
13668 | ||
13669 | if (sched_scan_req && notify->portid && | |
13670 | sched_scan_req->owner_nlportid == notify->portid) | |
13671 | schedule_scan_stop = true; | |
78f22b6a | 13672 | |
53873f13 | 13673 | list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) { |
15e47304 | 13674 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 13675 | |
78f22b6a JB |
13676 | if (wdev->owner_nlportid == notify->portid) |
13677 | schedule_destroy_work = true; | |
13678 | } | |
13679 | ||
37c73b5f BG |
13680 | spin_lock_bh(&rdev->beacon_registrations_lock); |
13681 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
13682 | list) { | |
13683 | if (reg->nlportid == notify->portid) { | |
13684 | list_del(®->list); | |
13685 | kfree(reg); | |
13686 | break; | |
13687 | } | |
13688 | } | |
13689 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
13690 | |
13691 | if (schedule_destroy_work) { | |
13692 | struct cfg80211_iface_destroy *destroy; | |
13693 | ||
13694 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
13695 | if (destroy) { | |
13696 | destroy->nlportid = notify->portid; | |
13697 | spin_lock(&rdev->destroy_list_lock); | |
13698 | list_add(&destroy->list, &rdev->destroy_list); | |
13699 | spin_unlock(&rdev->destroy_list_lock); | |
13700 | schedule_work(&rdev->destroy_work); | |
13701 | } | |
93a1e86c JR |
13702 | } else if (schedule_scan_stop) { |
13703 | sched_scan_req->owner_nlportid = 0; | |
13704 | ||
13705 | if (rdev->ops->sched_scan_stop && | |
13706 | rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
13707 | schedule_work(&rdev->sched_scan_stop_wk); | |
78f22b6a | 13708 | } |
5e760230 | 13709 | } |
026331c4 JM |
13710 | |
13711 | rcu_read_unlock(); | |
13712 | ||
05050753 I |
13713 | /* |
13714 | * It is possible that the user space process that is controlling the | |
13715 | * indoor setting disappeared, so notify the regulatory core. | |
13716 | */ | |
13717 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 13718 | return NOTIFY_OK; |
026331c4 JM |
13719 | } |
13720 | ||
13721 | static struct notifier_block nl80211_netlink_notifier = { | |
13722 | .notifier_call = nl80211_netlink_notify, | |
13723 | }; | |
13724 | ||
355199e0 JM |
13725 | void cfg80211_ft_event(struct net_device *netdev, |
13726 | struct cfg80211_ft_event_params *ft_event) | |
13727 | { | |
13728 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 13729 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
13730 | struct sk_buff *msg; |
13731 | void *hdr; | |
355199e0 JM |
13732 | |
13733 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
13734 | ||
13735 | if (!ft_event->target_ap) | |
13736 | return; | |
13737 | ||
13738 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13739 | if (!msg) | |
13740 | return; | |
13741 | ||
13742 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
13743 | if (!hdr) |
13744 | goto out; | |
355199e0 | 13745 | |
ae917c9f JB |
13746 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13747 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13748 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
13749 | goto out; | |
355199e0 | 13750 | |
ae917c9f JB |
13751 | if (ft_event->ies && |
13752 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
13753 | goto out; | |
13754 | if (ft_event->ric_ies && | |
13755 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
13756 | ft_event->ric_ies)) | |
13757 | goto out; | |
355199e0 | 13758 | |
9c90a9f6 | 13759 | genlmsg_end(msg, hdr); |
355199e0 | 13760 | |
68eb5503 | 13761 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13762 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
13763 | return; |
13764 | out: | |
13765 | nlmsg_free(msg); | |
355199e0 JM |
13766 | } |
13767 | EXPORT_SYMBOL(cfg80211_ft_event); | |
13768 | ||
5de17984 AS |
13769 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
13770 | { | |
13771 | struct cfg80211_registered_device *rdev; | |
13772 | struct sk_buff *msg; | |
13773 | void *hdr; | |
13774 | u32 nlportid; | |
13775 | ||
f26cbf40 | 13776 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
13777 | if (!rdev->crit_proto_nlportid) |
13778 | return; | |
13779 | ||
13780 | nlportid = rdev->crit_proto_nlportid; | |
13781 | rdev->crit_proto_nlportid = 0; | |
13782 | ||
13783 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13784 | if (!msg) | |
13785 | return; | |
13786 | ||
13787 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
13788 | if (!hdr) | |
13789 | goto nla_put_failure; | |
13790 | ||
13791 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
13792 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13793 | NL80211_ATTR_PAD)) | |
5de17984 AS |
13794 | goto nla_put_failure; |
13795 | ||
13796 | genlmsg_end(msg, hdr); | |
13797 | ||
13798 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
13799 | return; | |
13800 | ||
13801 | nla_put_failure: | |
13802 | if (hdr) | |
13803 | genlmsg_cancel(msg, hdr); | |
13804 | nlmsg_free(msg); | |
5de17984 AS |
13805 | } |
13806 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
13807 | ||
348baf0e JB |
13808 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
13809 | { | |
13810 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13811 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
13812 | struct sk_buff *msg; |
13813 | void *hdr; | |
13814 | ||
13815 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13816 | if (!msg) | |
13817 | return; | |
13818 | ||
13819 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
13820 | if (!hdr) | |
13821 | goto out; | |
13822 | ||
13823 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
13824 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
2dad624e ND |
13825 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13826 | NL80211_ATTR_PAD)) | |
348baf0e JB |
13827 | goto out; |
13828 | ||
13829 | genlmsg_end(msg, hdr); | |
13830 | ||
13831 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
13832 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
13833 | return; | |
13834 | out: | |
13835 | nlmsg_free(msg); | |
13836 | } | |
13837 | ||
55682965 JB |
13838 | /* initialisation/exit functions */ |
13839 | ||
13840 | int nl80211_init(void) | |
13841 | { | |
0d63cbb5 | 13842 | int err; |
55682965 | 13843 | |
2a94fe48 JB |
13844 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
13845 | nl80211_mcgrps); | |
55682965 JB |
13846 | if (err) |
13847 | return err; | |
13848 | ||
026331c4 JM |
13849 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
13850 | if (err) | |
13851 | goto err_out; | |
13852 | ||
55682965 JB |
13853 | return 0; |
13854 | err_out: | |
13855 | genl_unregister_family(&nl80211_fam); | |
13856 | return err; | |
13857 | } | |
13858 | ||
13859 | void nl80211_exit(void) | |
13860 | { | |
026331c4 | 13861 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
13862 | genl_unregister_family(&nl80211_fam); |
13863 | } |